diff options
Diffstat (limited to 'drivers')
183 files changed, 6335 insertions, 1483 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 629eadb..69092bc 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4296,7 +4296,7 @@ void ata_sg_clean(struct ata_queued_cmd *qc) sg_last(sg, qc->orig_n_elem)->length += qc->pad_len; if (pad_buf) { struct scatterlist *psg = &qc->pad_sgent; - void *addr = kmap_atomic(psg->page, KM_IRQ0); + void *addr = kmap_atomic(sg_page(psg), KM_IRQ0); memcpy(addr + psg->offset, pad_buf, qc->pad_len); kunmap_atomic(addr, KM_IRQ0); } @@ -4686,11 +4686,11 @@ static int ata_sg_setup(struct ata_queued_cmd *qc) * data in this function or read data in ata_sg_clean. */ offset = lsg->offset + lsg->length - qc->pad_len; - psg->page = nth_page(lsg->page, offset >> PAGE_SHIFT); + sg_set_page(psg, nth_page(sg_page(lsg), offset >> PAGE_SHIFT)); psg->offset = offset_in_page(offset); if (qc->tf.flags & ATA_TFLAG_WRITE) { - void *addr = kmap_atomic(psg->page, KM_IRQ0); + void *addr = kmap_atomic(sg_page(psg), KM_IRQ0); memcpy(pad_buf, addr + psg->offset, qc->pad_len); kunmap_atomic(addr, KM_IRQ0); } @@ -4836,7 +4836,7 @@ static void ata_pio_sector(struct ata_queued_cmd *qc) if (qc->curbytes == qc->nbytes - qc->sect_size) ap->hsm_task_state = HSM_ST_LAST; - page = qc->cursg->page; + page = sg_page(qc->cursg); offset = qc->cursg->offset + qc->cursg_ofs; /* get the current page and offset */ @@ -4988,7 +4988,7 @@ next_sg: sg = qc->cursg; - page = sg->page; + page = sg_page(sg); offset = sg->offset + qc->cursg_ofs; /* get the current page and offset */ diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 9fbb39c..5b758b9 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1544,7 +1544,7 @@ static unsigned int ata_scsi_rbuf_get(struct scsi_cmnd *cmd, u8 **buf_out) struct scatterlist *sg = scsi_sglist(cmd); if (sg) { - buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; + buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; buflen = sg->length; } else { buf = NULL; diff --git a/drivers/base/memory.c b/drivers/base/memory.c index c41d072..7868707 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -137,7 +137,7 @@ static ssize_t show_mem_state(struct sys_device *dev, char *buf) return len; } -static inline int memory_notify(unsigned long val, void *v) +int memory_notify(unsigned long val, void *v) { return blocking_notifier_call_chain(&memory_chain, val, v); } @@ -183,7 +183,6 @@ memory_block_action(struct memory_block *mem, unsigned long action) break; case MEM_OFFLINE: mem->state = MEM_GOING_OFFLINE; - memory_notify(MEM_GOING_OFFLINE, NULL); start_paddr = page_to_pfn(first_page) << PAGE_SHIFT; ret = remove_memory(start_paddr, PAGES_PER_SECTION << PAGE_SHIFT); @@ -191,7 +190,6 @@ memory_block_action(struct memory_block *mem, unsigned long action) mem->state = old_state; break; } - memory_notify(MEM_MAPPING_INVALID, NULL); break; default: printk(KERN_WARNING "%s(%p, %ld) unknown action: %ld\n", @@ -199,11 +197,6 @@ memory_block_action(struct memory_block *mem, unsigned long action) WARN_ON(1); ret = -EINVAL; } - /* - * For now, only notify on successful memory operations - */ - if (!ret) - memory_notify(action, NULL); return ret; } diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c index 84d6aa5..5350542 100644 --- a/drivers/block/DAC960.c +++ b/drivers/block/DAC960.c @@ -345,6 +345,7 @@ static bool DAC960_CreateAuxiliaryStructures(DAC960_Controller_T *Controller) Command->V1.ScatterGatherList = (DAC960_V1_ScatterGatherSegment_T *)ScatterGatherCPU; Command->V1.ScatterGatherListDMA = ScatterGatherDMA; + sg_init_table(Command->cmd_sglist, DAC960_V1_ScatterGatherLimit); } else { Command->cmd_sglist = Command->V2.ScatterList; Command->V2.ScatterGatherList = @@ -353,6 +354,7 @@ static bool DAC960_CreateAuxiliaryStructures(DAC960_Controller_T *Controller) Command->V2.RequestSense = (DAC960_SCSI_RequestSense_T *)RequestSenseCPU; Command->V2.RequestSenseDMA = RequestSenseDMA; + sg_init_table(Command->cmd_sglist, DAC960_V2_ScatterGatherLimit); } } return true; diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 7c2cfde..5a6fe17 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -2610,7 +2610,7 @@ static void do_cciss_request(struct request_queue *q) (int)creq->nr_sectors); #endif /* CCISS_DEBUG */ - memset(tmp_sg, 0, sizeof(tmp_sg)); + sg_init_table(tmp_sg, MAXSGENTRIES); seg = blk_rq_map_sg(q, creq, tmp_sg); /* get the DMA records for the setup */ @@ -2621,7 +2621,7 @@ static void do_cciss_request(struct request_queue *q) for (i = 0; i < seg; i++) { c->SG[i].Len = tmp_sg[i].length; - temp64.val = (__u64) pci_map_page(h->pdev, tmp_sg[i].page, + temp64.val = (__u64) pci_map_page(h->pdev, sg_page(&tmp_sg[i]), tmp_sg[i].offset, tmp_sg[i].length, dir); c->SG[i].Addr.lower = temp64.val32.lower; diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c index 568603d..efab27f 100644 --- a/drivers/block/cpqarray.c +++ b/drivers/block/cpqarray.c @@ -918,6 +918,7 @@ queue_next: DBGPX( printk("sector=%d, nr_sectors=%d\n", creq->sector, creq->nr_sectors); ); + sg_init_table(tmp_sg, SG_MAX); seg = blk_rq_map_sg(q, creq, tmp_sg); /* Now do all the DMA Mappings */ @@ -929,7 +930,7 @@ DBGPX( { c->req.sg[i].size = tmp_sg[i].length; c->req.sg[i].addr = (__u32) pci_map_page(h->pci_dev, - tmp_sg[i].page, + sg_page(&tmp_sg[i]), tmp_sg[i].offset, tmp_sg[i].length, dir); } diff --git a/drivers/block/cryptoloop.c b/drivers/block/cryptoloop.c index 4053503..1b58b01 100644 --- a/drivers/block/cryptoloop.c +++ b/drivers/block/cryptoloop.c @@ -26,6 +26,7 @@ #include <linux/crypto.h> #include <linux/blkdev.h> #include <linux/loop.h> +#include <linux/scatterlist.h> #include <asm/semaphore.h> #include <asm/uaccess.h> @@ -119,14 +120,17 @@ cryptoloop_transfer(struct loop_device *lo, int cmd, .tfm = tfm, .flags = CRYPTO_TFM_REQ_MAY_SLEEP, }; - struct scatterlist sg_out = { NULL, }; - struct scatterlist sg_in = { NULL, }; + struct scatterlist sg_out; + struct scatterlist sg_in; encdec_cbc_t encdecfunc; struct page *in_page, *out_page; unsigned in_offs, out_offs; int err; + sg_init_table(&sg_out, 1); + sg_init_table(&sg_in, 1); + if (cmd == READ) { in_page = raw_page; in_offs = raw_off; @@ -146,11 +150,11 @@ cryptoloop_transfer(struct loop_device *lo, int cmd, u32 iv[4] = { 0, }; iv[0] = cpu_to_le32(IV & 0xffffffff); - sg_in.page = in_page; + sg_set_page(&sg_in, in_page); sg_in.offset = in_offs; sg_in.length = sz; - sg_out.page = out_page; + sg_set_page(&sg_out, out_page); sg_out.offset = out_offs; sg_out.length = sz; diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c index 317a790..7276f7d 100644 --- a/drivers/block/sunvdc.c +++ b/drivers/block/sunvdc.c @@ -388,6 +388,7 @@ static int __send_request(struct request *req) op = VD_OP_BWRITE; } + sg_init_table(sg, port->ring_cookies); nsg = blk_rq_map_sg(req->q, req, sg); len = 0; diff --git a/drivers/block/sx8.c b/drivers/block/sx8.c index 402209f..282a6955 100644 --- a/drivers/block/sx8.c +++ b/drivers/block/sx8.c @@ -522,6 +522,7 @@ static struct carm_request *carm_get_request(struct carm_host *host) host->n_msgs++; assert(host->n_msgs <= CARM_MAX_REQ); + sg_init_table(crq->sg, CARM_MAX_REQ_SG); return crq; } diff --git a/drivers/block/ub.c b/drivers/block/ub.c index c57dd2b..14143f2 100644 --- a/drivers/block/ub.c +++ b/drivers/block/ub.c @@ -25,6 +25,7 @@ #include <linux/usb_usual.h> #include <linux/blkdev.h> #include <linux/timer.h> +#include <linux/scatterlist.h> #include <scsi/scsi.h> #define DRV_NAME "ub" @@ -656,6 +657,7 @@ static int ub_request_fn_1(struct ub_lun *lun, struct request *rq) if ((cmd = ub_get_cmd(lun)) == NULL) return -1; memset(cmd, 0, sizeof(struct ub_scsi_cmd)); + sg_init_table(cmd->sgv, UB_MAX_REQ_SG); blkdev_dequeue_request(rq); @@ -1309,9 +1311,8 @@ static void ub_data_start(struct ub_dev *sc, struct ub_scsi_cmd *cmd) else pipe = sc->send_bulk_pipe; sc->last_pipe = pipe; - usb_fill_bulk_urb(&sc->work_urb, sc->dev, pipe, - page_address(sg->page) + sg->offset, sg->length, - ub_urb_complete, sc); + usb_fill_bulk_urb(&sc->work_urb, sc->dev, pipe, sg_virt(sg), + sg->length, ub_urb_complete, sc); sc->work_urb.actual_length = 0; sc->work_urb.error_count = 0; sc->work_urb.status = 0; @@ -1427,7 +1428,7 @@ static void ub_state_sense(struct ub_dev *sc, struct ub_scsi_cmd *cmd) scmd->state = UB_CMDST_INIT; scmd->nsg = 1; sg = &scmd->sgv[0]; - sg->page = virt_to_page(sc->top_sense); + sg_set_page(sg, virt_to_page(sc->top_sense)); sg->offset = (unsigned long)sc->top_sense & (PAGE_SIZE-1); sg->length = UB_SENSE_SIZE; scmd->len = UB_SENSE_SIZE; @@ -1863,7 +1864,7 @@ static int ub_sync_read_cap(struct ub_dev *sc, struct ub_lun *lun, cmd->state = UB_CMDST_INIT; cmd->nsg = 1; sg = &cmd->sgv[0]; - sg->page = virt_to_page(p); + sg_set_page(sg, virt_to_page(p)); sg->offset = (unsigned long)p & (PAGE_SIZE-1); sg->length = 8; cmd->len = 8; diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c index e824b67..ab5d404 100644 --- a/drivers/block/viodasd.c +++ b/drivers/block/viodasd.c @@ -41,6 +41,7 @@ #include <linux/dma-mapping.h> #include <linux/completion.h> #include <linux/device.h> +#include <linux/scatterlist.h> #include <asm/uaccess.h> #include <asm/vio.h> @@ -270,6 +271,7 @@ static int send_request(struct request *req) d = req->rq_disk->private_data; /* Now build the scatter-gather list */ + sg_init_table(sg, VIOMAXBLOCKDMA); nsg = blk_rq_map_sg(req->q, req, sg); nsg = dma_map_sg(d->dev, sg, nsg, direction); diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig index b9fbe6e..075598e 100644 --- a/drivers/bluetooth/Kconfig +++ b/drivers/bluetooth/Kconfig @@ -22,6 +22,30 @@ config BT_HCIUSB_SCO Say Y here to compile support for SCO over HCI USB. +config BT_HCIBTUSB + tristate "HCI USB driver (alternate version)" + depends on USB && EXPERIMENTAL && BT_HCIUSB=n + help + Bluetooth HCI USB driver. + This driver is required if you want to use Bluetooth devices with + USB interface. + + This driver is still experimental and has no SCO support. + + Say Y here to compile support for Bluetooth USB devices into the + kernel or say M to compile it as module (btusb). + +config BT_HCIBTSDIO + tristate "HCI SDIO driver" + depends on MMC + help + Bluetooth HCI SDIO driver. + This driver is required if you want to use Bluetooth device with + SDIO interface. + + Say Y here to compile support for Bluetooth SDIO devices into the + kernel or say M to compile it as module (btsdio). + config BT_HCIUART tristate "HCI UART driver" help @@ -55,6 +79,17 @@ config BT_HCIUART_BCSP Say Y here to compile support for HCI BCSP protocol. +config BT_HCIUART_LL + bool "HCILL protocol support" + depends on BT_HCIUART + help + HCILL (HCI Low Level) is a serial protocol for communication + between Bluetooth device and host. This protocol is required for + serial Bluetooth devices that are based on Texas Instruments' + BRF chips. + + Say Y here to compile support for HCILL protocol. + config BT_HCIBCM203X tristate "HCI BCM203x USB driver" depends on USB diff --git a/drivers/bluetooth/Makefile b/drivers/bluetooth/Makefile index 08c10e1..77444af 100644 --- a/drivers/bluetooth/Makefile +++ b/drivers/bluetooth/Makefile @@ -13,7 +13,11 @@ obj-$(CONFIG_BT_HCIBT3C) += bt3c_cs.o obj-$(CONFIG_BT_HCIBLUECARD) += bluecard_cs.o obj-$(CONFIG_BT_HCIBTUART) += btuart_cs.o +obj-$(CONFIG_BT_HCIBTUSB) += btusb.o +obj-$(CONFIG_BT_HCIBTSDIO) += btsdio.o + hci_uart-y := hci_ldisc.o hci_uart-$(CONFIG_BT_HCIUART_H4) += hci_h4.o hci_uart-$(CONFIG_BT_HCIUART_BCSP) += hci_bcsp.o +hci_uart-$(CONFIG_BT_HCIUART_LL) += hci_ll.o hci_uart-objs := $(hci_uart-y) diff --git a/drivers/bluetooth/bluecard_cs.c b/drivers/bluetooth/bluecard_cs.c index 851de4d..bcf5792 100644 --- a/drivers/bluetooth/bluecard_cs.c +++ b/drivers/bluetooth/bluecard_cs.c @@ -503,10 +503,7 @@ static irqreturn_t bluecard_interrupt(int irq, void *dev_inst) unsigned int iobase; unsigned char reg; - if (!info || !info->hdev) { - BT_ERR("Call of irq %d for unknown device", irq); - return IRQ_NONE; - } + BUG_ON(!info->hdev); if (!test_bit(CARD_READY, &(info->hw_state))) return IRQ_HANDLED; diff --git a/drivers/bluetooth/bpa10x.c b/drivers/bluetooth/bpa10x.c index e8ebd5d..1375b53 100644 --- a/drivers/bluetooth/bpa10x.c +++ b/drivers/bluetooth/bpa10x.c @@ -2,7 +2,7 @@ * * Digianswer Bluetooth USB driver * - * Copyright (C) 2004-2005 Marcel Holtmann <marcel@holtmann.org> + * Copyright (C) 2004-2007 Marcel Holtmann <marcel@holtmann.org> * * * This program is free software; you can redistribute it and/or modify @@ -21,13 +21,14 @@ * */ -#include <linux/module.h> - #include <linux/kernel.h> +#include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/types.h> +#include <linux/sched.h> #include <linux/errno.h> +#include <linux/skbuff.h> #include <linux/usb.h> @@ -39,7 +40,7 @@ #define BT_DBG(D...) #endif -#define VERSION "0.8" +#define VERSION "0.9" static int ignore = 0; @@ -52,393 +53,285 @@ static struct usb_device_id bpa10x_table[] = { MODULE_DEVICE_TABLE(usb, bpa10x_table); -#define BPA10X_CMD_EP 0x00 -#define BPA10X_EVT_EP 0x81 -#define BPA10X_TX_EP 0x02 -#define BPA10X_RX_EP 0x82 - -#define BPA10X_CMD_BUF_SIZE 252 -#define BPA10X_EVT_BUF_SIZE 16 -#define BPA10X_TX_BUF_SIZE 384 -#define BPA10X_RX_BUF_SIZE 384 - struct bpa10x_data { - struct hci_dev *hdev; - struct usb_device *udev; + struct hci_dev *hdev; + struct usb_device *udev; - rwlock_t lock; + struct usb_anchor tx_anchor; + struct usb_anchor rx_anchor; - struct sk_buff_head cmd_queue; - struct urb *cmd_urb; - struct urb *evt_urb; - struct sk_buff *evt_skb; - unsigned int evt_len; - - struct sk_buff_head tx_queue; - struct urb *tx_urb; - struct urb *rx_urb; + struct sk_buff *rx_skb[2]; }; -#define HCI_VENDOR_HDR_SIZE 5 +#define HCI_VENDOR_HDR_SIZE 5 struct hci_vendor_hdr { - __u8 type; - __le16 snum; - __le16 dlen; + __u8 type; + __le16 snum; + __le16 dlen; } __attribute__ ((packed)); -static void bpa10x_recv_bulk(struct bpa10x_data *data, unsigned char *buf, int count) +static int bpa10x_recv(struct hci_dev *hdev, int queue, void *buf, int count) { - struct hci_acl_hdr *ah; - struct hci_sco_hdr *sh; - struct hci_vendor_hdr *vh; - struct sk_buff *skb; - int len; + struct bpa10x_data *data = hdev->driver_data; + + BT_DBG("%s queue %d buffer %p count %d", hdev->name, + queue, buf, count); + + if (queue < 0 || queue > 1) + return -EILSEQ; + + hdev->stat.byte_rx += count; while (count) { - switch (*buf++) { - case HCI_ACLDATA_PKT: - ah = (struct hci_acl_hdr *) buf; - len = HCI_ACL_HDR_SIZE + __le16_to_cpu(ah->dlen); - skb = bt_skb_alloc(len, GFP_ATOMIC); - if (skb) { - memcpy(skb_put(skb, len), buf, len); - skb->dev = (void *) data->hdev; - bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT; - hci_recv_frame(skb); - } - break; + struct sk_buff *skb = data->rx_skb[queue]; + struct { __u8 type; int expect; } *scb; + int type, len = 0; - case HCI_SCODATA_PKT: - sh = (struct hci_sco_hdr *) buf; - len = HCI_SCO_HDR_SIZE + sh->dlen; - skb = bt_skb_alloc(len, GFP_ATOMIC); - if (skb) { - memcpy(skb_put(skb, len), buf, len); - skb->dev = (void *) data->hdev; - bt_cb(skb)->pkt_type = HCI_SCODATA_PKT; - hci_recv_frame(skb); + if (!skb) { + /* Start of the frame */ + + type = *((__u8 *) buf); + count--; buf++; + + switch (type) { + case HCI_EVENT_PKT: + if (count >= HCI_EVENT_HDR_SIZE) { + struct hci_event_hdr *h = buf; + len = HCI_EVENT_HDR_SIZE + h->plen; + } else + return -EILSEQ; + break; + + case HCI_ACLDATA_PKT: + if (count >= HCI_ACL_HDR_SIZE) { + struct hci_acl_hdr *h = buf; + len = HCI_ACL_HDR_SIZE + + __le16_to_cpu(h->dlen); + } else + return -EILSEQ; + break; + + case HCI_SCODATA_PKT: + if (count >= HCI_SCO_HDR_SIZE) { + struct hci_sco_hdr *h = buf; + len = HCI_SCO_HDR_SIZE + h->dlen; + } else + return -EILSEQ; + break; + + case HCI_VENDOR_PKT: + if (count >= HCI_VENDOR_HDR_SIZE) { + struct hci_vendor_hdr *h = buf; + len = HCI_VENDOR_HDR_SIZE + + __le16_to_cpu(h->dlen); + } else + return -EILSEQ; + break; } - break; - case HCI_VENDOR_PKT: - vh = (struct hci_vendor_hdr *) buf; - len = HCI_VENDOR_HDR_SIZE + __le16_to_cpu(vh->dlen); skb = bt_skb_alloc(len, GFP_ATOMIC); - if (skb) { - memcpy(skb_put(skb, len), buf, len); - skb->dev = (void *) data->hdev; - bt_cb(skb)->pkt_type = HCI_VENDOR_PKT; - hci_recv_frame(skb); + if (!skb) { + BT_ERR("%s no memory for packet", hdev->name); + return -ENOMEM; } - break; - - default: - len = count - 1; - break; - } - buf += len; - count -= (len + 1); - } -} - -static int bpa10x_recv_event(struct bpa10x_data *data, unsigned char *buf, int size) -{ - BT_DBG("data %p buf %p size %d", data, buf, size); + skb->dev = (void *) hdev; - if (data->evt_skb) { - struct sk_buff *skb = data->evt_skb; + data->rx_skb[queue] = skb; - memcpy(skb_put(skb, size), buf, size); + scb = (void *) skb->cb; + scb->type = type; + scb->expect = len; + } else { + /* Continuation */ - if (skb->len == data->evt_len) { - data->evt_skb = NULL; - data->evt_len = 0; - hci_recv_frame(skb); - } - } else { - struct sk_buff *skb; - struct hci_event_hdr *hdr; - unsigned char pkt_type; - int pkt_len = 0; - - if (size < HCI_EVENT_HDR_SIZE + 1) { - BT_ERR("%s event packet block with size %d is too short", - data->hdev->name, size); - return -EILSEQ; + scb = (void *) skb->cb; + len = scb->expect; } - pkt_type = *buf++; - size--; - - if (pkt_type != HCI_EVENT_PKT) { - BT_ERR("%s unexpected event packet start byte 0x%02x", - data->hdev->name, pkt_type); - return -EPROTO; - } + len = min(len, count); - hdr = (struct hci_event_hdr *) buf; - pkt_len = HCI_EVENT_HDR_SIZE + hdr->plen; + memcpy(skb_put(skb, len), buf, len); - skb = bt_skb_alloc(pkt_len, GFP_ATOMIC); - if (!skb) { - BT_ERR("%s no memory for new event packet", - data->hdev->name); - return -ENOMEM; - } + scb->expect -= len; - skb->dev = (void *) data->hdev; - bt_cb(skb)->pkt_type = pkt_type; + if (scb->expect == 0) { + /* Complete frame */ - memcpy(skb_put(skb, size), buf, size); + data->rx_skb[queue] = NULL; - if (pkt_len == size) { + bt_cb(skb)->pkt_type = scb->type; hci_recv_frame(skb); - } else { - data->evt_skb = skb; - data->evt_len = pkt_len; } + + count -= len; buf += len; } return 0; } -static void bpa10x_wakeup(struct bpa10x_data *data) +static void bpa10x_tx_complete(struct urb *urb) { - struct urb *urb; - struct sk_buff *skb; - int err; + struct sk_buff *skb = urb->context; + struct hci_dev *hdev = (struct hci_dev *) skb->dev; - BT_DBG("data %p", data); + BT_DBG("%s urb %p status %d count %d", hdev->name, + urb, urb->status, urb->actual_length); - urb = data->cmd_urb; - if (urb->status == -EINPROGRESS) - skb = NULL; + if (!test_bit(HCI_RUNNING, &hdev->flags)) + goto done; + + if (!urb->status) + hdev->stat.byte_tx += urb->transfer_buffer_length; else - skb = skb_dequeue(&data->cmd_queue); + hdev->stat.err_tx++; - if (skb) { - struct usb_ctrlrequest *cr; +done: + kfree(urb->setup_packet); - if (skb->len > BPA10X_CMD_BUF_SIZE) { - BT_ERR("%s command packet with size %d is too big", - data->hdev->name, skb->len); - kfree_skb(skb); - return; - } + kfree_skb(skb); +} + +static void bpa10x_rx_complete(struct urb *urb) +{ + struct hci_dev *hdev = urb->context; + struct bpa10x_data *data = hdev->driver_data; + int err; - cr = (struct usb_ctrlrequest *) urb->setup_packet; - cr->wLength = __cpu_to_le16(skb->len); + BT_DBG("%s urb %p status %d count %d", hdev->name, + urb, urb->status, urb->actual_length); - skb_copy_from_linear_data(skb, urb->transfer_buffer, skb->len); - urb->transfer_buffer_length = skb->len; + if (!test_bit(HCI_RUNNING, &hdev->flags)) + return; - err = usb_submit_urb(urb, GFP_ATOMIC); - if (err < 0 && err != -ENODEV) { - BT_ERR("%s submit failed for command urb %p with error %d", - data->hdev->name, urb, err); - skb_queue_head(&data->cmd_queue, skb); - } else - kfree_skb(skb); + if (urb->status == 0) { + if (bpa10x_recv(hdev, usb_pipebulk(urb->pipe), + urb->transfer_buffer, + urb->actual_length) < 0) { + BT_ERR("%s corrupted event packet", hdev->name); + hdev->stat.err_rx++; + } } - urb = data->tx_urb; - if (urb->status == -EINPROGRESS) - skb = NULL; - else - skb = skb_dequeue(&data->tx_queue); - - if (skb) { - skb_copy_from_linear_data(skb, urb->transfer_buffer, skb->len); - urb->transfer_buffer_length = skb->len; - - err = usb_submit_urb(urb, GFP_ATOMIC); - if (err < 0 && err != -ENODEV) { - BT_ERR("%s submit failed for command urb %p with error %d", - data->hdev->name, urb, err); - skb_queue_head(&data->tx_queue, skb); - } else - kfree_skb(skb); + usb_anchor_urb(urb, &data->rx_anchor); + + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err < 0) { + BT_ERR("%s urb %p failed to resubmit (%d)", + hdev->name, urb, -err); + usb_unanchor_urb(urb); } } -static void bpa10x_complete(struct urb *urb) +static inline int bpa10x_submit_intr_urb(struct hci_dev *hdev) { - struct bpa10x_data *data = urb->context; - unsigned char *buf = urb->transfer_buffer; - int err, count = urb->actual_length; + struct bpa10x_data *data = hdev->driver_data; + struct urb *urb; + unsigned char *buf; + unsigned int pipe; + int err, size = 16; - BT_DBG("data %p urb %p buf %p count %d", data, urb, buf, count); + BT_DBG("%s", hdev->name); - read_lock(&data->lock); + urb = usb_alloc_urb(0, GFP_KERNEL); + if (!urb) + return -ENOMEM; - if (!test_bit(HCI_RUNNING, &data->hdev->flags)) - goto unlock; + buf = kmalloc(size, GFP_KERNEL); + if (!buf) { + usb_free_urb(urb); + return -ENOMEM; + } - if (urb->status < 0 || !count) - goto resubmit; + pipe = usb_rcvintpipe(data->udev, 0x81); - if (usb_pipein(urb->pipe)) { - data->hdev->stat.byte_rx += count; + usb_fill_int_urb(urb, data->udev, pipe, buf, size, + bpa10x_rx_complete, hdev, 1); - if (usb_pipetype(urb->pipe) == PIPE_INTERRUPT) - bpa10x_recv_event(data, buf, count); + urb->transfer_flags |= URB_FREE_BUFFER; - if (usb_pipetype(urb->pipe) == PIPE_BULK) - bpa10x_recv_bulk(data, buf, count); - } else { - data->hdev->stat.byte_tx += count; + usb_anchor_urb(urb, &data->rx_anchor); - bpa10x_wakeup(data); + err = usb_submit_urb(urb, GFP_KERNEL); + if (err < 0) { + BT_ERR("%s urb %p submission failed (%d)", + hdev->name, urb, -err); + usb_unanchor_urb(urb); + kfree(buf); } -resubmit: - if (usb_pipein(urb->pipe)) { - err = usb_submit_urb(urb, GFP_ATOMIC); - if (err < 0 && err != -ENODEV) { - BT_ERR("%s urb %p type %d resubmit status %d", - data->hdev->name, urb, usb_pipetype(urb->pipe), err); - } - } + usb_free_urb(urb); -unlock: - read_unlock(&data->lock); + return err; } -static inline struct urb *bpa10x_alloc_urb(struct usb_device *udev, unsigned int pipe, - size_t size, gfp_t flags, void *data) +static inline int bpa10x_submit_bulk_urb(struct hci_dev *hdev) { + struct bpa10x_data *data = hdev->driver_data; struct urb *urb; - struct usb_ctrlrequest *cr; unsigned char *buf; + unsigned int pipe; + int err, size = 64; - BT_DBG("udev %p data %p", udev, data); + BT_DBG("%s", hdev->name); - urb = usb_alloc_urb(0, flags); + urb = usb_alloc_urb(0, GFP_KERNEL); if (!urb) - return NULL; + return -ENOMEM; - buf = kmalloc(size, flags); + buf = kmalloc(size, GFP_KERNEL); if (!buf) { usb_free_urb(urb); - return NULL; + return -ENOMEM; } - switch (usb_pipetype(pipe)) { - case PIPE_CONTROL: - cr = kmalloc(sizeof(*cr), flags); - if (!cr) { - kfree(buf); - usb_free_urb(urb); - return NULL; - } + pipe = usb_rcvbulkpipe(data->udev, 0x82); - cr->bRequestType = USB_TYPE_VENDOR; - cr->bRequest = 0; - cr->wIndex = 0; - cr->wValue = 0; - cr->wLength = __cpu_to_le16(0); + usb_fill_bulk_urb(urb, data->udev, pipe, + buf, size, bpa10x_rx_complete, hdev); - usb_fill_control_urb(urb, udev, pipe, (void *) cr, buf, 0, bpa10x_complete, data); - break; + urb->transfer_flags |= URB_FREE_BUFFER; - case PIPE_INTERRUPT: - usb_fill_int_urb(urb, udev, pipe, buf, size, bpa10x_complete, data, 1); - break; + usb_anchor_urb(urb, &data->rx_anchor); - case PIPE_BULK: - usb_fill_bulk_urb(urb, udev, pipe, buf, size, bpa10x_complete, data); - break; - - default: + err = usb_submit_urb(urb, GFP_KERNEL); + if (err < 0) { + BT_ERR("%s urb %p submission failed (%d)", + hdev->name, urb, -err); + usb_unanchor_urb(urb); kfree(buf); - usb_free_urb(urb); - return NULL; } - return urb; -} - -static inline void bpa10x_free_urb(struct urb *urb) -{ - BT_DBG("urb %p", urb); - - if (!urb) - return; - - kfree(urb->setup_packet); - kfree(urb->transfer_buffer); - usb_free_urb(urb); + + return err; } static int bpa10x_open(struct hci_dev *hdev) { struct bpa10x_data *data = hdev->driver_data; - struct usb_device *udev = data->udev; - unsigned long flags; int err; - BT_DBG("hdev %p data %p", hdev, data); + BT_DBG("%s", hdev->name); if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) return 0; - data->cmd_urb = bpa10x_alloc_urb(udev, usb_sndctrlpipe(udev, BPA10X_CMD_EP), - BPA10X_CMD_BUF_SIZE, GFP_KERNEL, data); - if (!data->cmd_urb) { - err = -ENOMEM; - goto done; - } - - data->evt_urb = bpa10x_alloc_urb(udev, usb_rcvintpipe(udev, BPA10X_EVT_EP), - BPA10X_EVT_BUF_SIZE, GFP_KERNEL, data); - if (!data->evt_urb) { - bpa10x_free_urb(data->cmd_urb); - err = -ENOMEM; - goto done; - } - - data->rx_urb = bpa10x_alloc_urb(udev, usb_rcvbulkpipe(udev, BPA10X_RX_EP), - BPA10X_RX_BUF_SIZE, GFP_KERNEL, data); - if (!data->rx_urb) { - bpa10x_free_urb(data->evt_urb); - bpa10x_free_urb(data->cmd_urb); - err = -ENOMEM; - goto done; - } - - data->tx_urb = bpa10x_alloc_urb(udev, usb_sndbulkpipe(udev, BPA10X_TX_EP), - BPA10X_TX_BUF_SIZE, GFP_KERNEL, data); - if (!data->rx_urb) { - bpa10x_free_urb(data->rx_urb); - bpa10x_free_urb(data->evt_urb); - bpa10x_free_urb(data->cmd_urb); - err = -ENOMEM; - goto done; - } + err = bpa10x_submit_intr_urb(hdev); + if (err < 0) + goto error; - write_lock_irqsave(&data->lock, flags); + err = bpa10x_submit_bulk_urb(hdev); + if (err < 0) + goto error; - err = usb_submit_urb(data->evt_urb, GFP_ATOMIC); - if (err < 0) { - BT_ERR("%s submit failed for event urb %p with error %d", - data->hdev->name, data->evt_urb, err); - } else { - err = usb_submit_urb(data->rx_urb, GFP_ATOMIC); - if (err < 0) { - BT_ERR("%s submit failed for rx urb %p with error %d", - data->hdev->name, data->evt_urb, err); - usb_kill_urb(data->evt_urb); - } - } + return 0; - write_unlock_irqrestore(&data->lock, flags); +error: + usb_kill_anchored_urbs(&data->rx_anchor); -done: - if (err < 0) - clear_bit(HCI_RUNNING, &hdev->flags); + clear_bit(HCI_RUNNING, &hdev->flags); return err; } @@ -446,27 +339,13 @@ done: static int bpa10x_close(struct hci_dev *hdev) { struct bpa10x_data *data = hdev->driver_data; - unsigned long flags; - BT_DBG("hdev %p data %p", hdev, data); + BT_DBG("%s", hdev->name); if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) return 0; - write_lock_irqsave(&data->lock, flags); - - skb_queue_purge(&data->cmd_queue); - usb_kill_urb(data->cmd_urb); - usb_kill_urb(data->evt_urb); - usb_kill_urb(data->rx_urb); - usb_kill_urb(data->tx_urb); - - write_unlock_irqrestore(&data->lock, flags); - - bpa10x_free_urb(data->cmd_urb); - bpa10x_free_urb(data->evt_urb); - bpa10x_free_urb(data->rx_urb); - bpa10x_free_urb(data->tx_urb); + usb_kill_anchored_urbs(&data->rx_anchor); return 0; } @@ -475,9 +354,9 @@ static int bpa10x_flush(struct hci_dev *hdev) { struct bpa10x_data *data = hdev->driver_data; - BT_DBG("hdev %p data %p", hdev, data); + BT_DBG("%s", hdev->name); - skb_queue_purge(&data->cmd_queue); + usb_kill_anchored_urbs(&data->tx_anchor); return 0; } @@ -485,45 +364,78 @@ static int bpa10x_flush(struct hci_dev *hdev) static int bpa10x_send_frame(struct sk_buff *skb) { struct hci_dev *hdev = (struct hci_dev *) skb->dev; - struct bpa10x_data *data; - - BT_DBG("hdev %p skb %p type %d len %d", hdev, skb, bt_cb(skb)->pkt_type, skb->len); + struct bpa10x_data *data = hdev->driver_data; + struct usb_ctrlrequest *dr; + struct urb *urb; + unsigned int pipe; + int err; - if (!hdev) { - BT_ERR("Frame for unknown HCI device"); - return -ENODEV; - } + BT_DBG("%s", hdev->name); if (!test_bit(HCI_RUNNING, &hdev->flags)) return -EBUSY; - data = hdev->driver_data; + urb = usb_alloc_urb(0, GFP_ATOMIC); + if (!urb) + return -ENOMEM; /* Prepend skb with frame type */ - memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1); + *skb_push(skb, 1) = bt_cb(skb)->pkt_type; switch (bt_cb(skb)->pkt_type) { case HCI_COMMAND_PKT: + dr = kmalloc(sizeof(*dr), GFP_ATOMIC); + if (!dr) { + usb_free_urb(urb); + return -ENOMEM; + } + + dr->bRequestType = USB_TYPE_VENDOR; + dr->bRequest = 0; + dr->wIndex = 0; + dr->wValue = 0; + dr->wLength = __cpu_to_le16(skb->len); + + pipe = usb_sndctrlpipe(data->udev, 0x00); + + usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, + skb->data, skb->len, bpa10x_tx_complete, skb); + hdev->stat.cmd_tx++; - skb_queue_tail(&data->cmd_queue, skb); break; case HCI_ACLDATA_PKT: + pipe = usb_sndbulkpipe(data->udev, 0x02); + + usb_fill_bulk_urb(urb, data->udev, pipe, + skb->data, skb->len, bpa10x_tx_complete, skb); + hdev->stat.acl_tx++; - skb_queue_tail(&data->tx_queue, skb); break; case HCI_SCODATA_PKT: + pipe = usb_sndbulkpipe(data->udev, 0x02); + + usb_fill_bulk_urb(urb, data->udev, pipe, + skb->data, skb->len, bpa10x_tx_complete, skb); + hdev->stat.sco_tx++; - skb_queue_tail(&data->tx_queue, skb); break; - }; - read_lock(&data->lock); + default: + return -EILSEQ; + } + + usb_anchor_urb(urb, &data->tx_anchor); - bpa10x_wakeup(data); + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err < 0) { + BT_ERR("%s urb %p submission failed", hdev->name, urb); + kfree(urb->setup_packet); + usb_unanchor_urb(urb); + } - read_unlock(&data->lock); + usb_free_urb(urb); return 0; } @@ -532,16 +444,17 @@ static void bpa10x_destruct(struct hci_dev *hdev) { struct bpa10x_data *data = hdev->driver_data; - BT_DBG("hdev %p data %p", hdev, data); + BT_DBG("%s", hdev->name); + kfree(data->rx_skb[0]); + kfree(data->rx_skb[1]); kfree(data); } static int bpa10x_probe(struct usb_interface *intf, const struct usb_device_id *id) { - struct usb_device *udev = interface_to_usbdev(intf); - struct hci_dev *hdev; struct bpa10x_data *data; + struct hci_dev *hdev; int err; BT_DBG("intf %p id %p", intf, id); @@ -549,48 +462,43 @@ static int bpa10x_probe(struct usb_interface *intf, const struct usb_device_id * if (ignore) return -ENODEV; - if (intf->cur_altsetting->desc.bInterfaceNumber > 0) + if (intf->cur_altsetting->desc.bInterfaceNumber != 0) return -ENODEV; data = kzalloc(sizeof(*data), GFP_KERNEL); - if (!data) { - BT_ERR("Can't allocate data structure"); + if (!data) return -ENOMEM; - } - - data->udev = udev; - rwlock_init(&data->lock); + data->udev = interface_to_usbdev(intf); - skb_queue_head_init(&data->cmd_queue); - skb_queue_head_init(&data->tx_queue); + init_usb_anchor(&data->tx_anchor); + init_usb_anchor(&data->rx_anchor); hdev = hci_alloc_dev(); if (!hdev) { - BT_ERR("Can't allocate HCI device"); kfree(data); return -ENOMEM; } - data->hdev = hdev; - hdev->type = HCI_USB; hdev->driver_data = data; + + data->hdev = hdev; + SET_HCIDEV_DEV(hdev, &intf->dev); - hdev->open = bpa10x_open; - hdev->close = bpa10x_close; - hdev->flush = bpa10x_flush; - hdev->send = bpa10x_send_frame; - hdev->destruct = bpa10x_destruct; + hdev->open = bpa10x_open; + hdev->close = bpa10x_close; + hdev->flush = bpa10x_flush; + hdev->send = bpa10x_send_frame; + hdev->destruct = bpa10x_destruct; hdev->owner = THIS_MODULE; err = hci_register_dev(hdev); if (err < 0) { - BT_ERR("Can't register HCI device"); - kfree(data); hci_free_dev(hdev); + kfree(data); return err; } @@ -602,19 +510,17 @@ static int bpa10x_probe(struct usb_interface *intf, const struct usb_device_id * static void bpa10x_disconnect(struct usb_interface *intf) { struct bpa10x_data *data = usb_get_intfdata(intf); - struct hci_dev *hdev = data->hdev; BT_DBG("intf %p", intf); - if (!hdev) + if (!data) return; usb_set_intfdata(intf, NULL); - if (hci_unregister_dev(hdev) < 0) - BT_ERR("Can't unregister HCI device %s", hdev->name); + hci_unregister_dev(data->hdev); - hci_free_dev(hdev); + hci_free_dev(data->hdev); } static struct usb_driver bpa10x_driver = { @@ -626,15 +532,9 @@ static struct usb_driver bpa10x_driver = { static int __init bpa10x_init(void) { - int err; - BT_INFO("Digianswer Bluetooth USB driver ver %s", VERSION); - err = usb_register(&bpa10x_driver); - if (err < 0) - BT_ERR("Failed to register USB driver"); - - return err; + return usb_register(&bpa10x_driver); } static void __exit bpa10x_exit(void) diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c index 3951607..a18f9b8 100644 --- a/drivers/bluetooth/bt3c_cs.c +++ b/drivers/bluetooth/bt3c_cs.c @@ -344,10 +344,7 @@ static irqreturn_t bt3c_interrupt(int irq, void *dev_inst) unsigned int iobase; int iir; - if (!info || !info->hdev) { - BT_ERR("Call of irq %d for unknown device", irq); - return IRQ_NONE; - } + BUG_ON(!info->hdev); iobase = info->p_dev->io.BasePort1; diff --git a/drivers/bluetooth/btsdio.c b/drivers/bluetooth/btsdio.c new file mode 100644 index 0000000..b786f61 --- /dev/null +++ b/drivers/bluetooth/btsdio.c @@ -0,0 +1,406 @@ +/* + * + * Generic Bluetooth SDIO driver + * + * Copyright (C) 2007 Cambridge Silicon Radio Ltd. + * Copyright (C) 2007 Marcel Holtmann <marcel@holtmann.org> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/types.h> +#include <linux/sched.h> +#include <linux/errno.h> +#include <linux/skbuff.h> + +#include <linux/mmc/sdio_ids.h> +#include <linux/mmc/sdio_func.h> + +#include <net/bluetooth/bluetooth.h> +#include <net/bluetooth/hci_core.h> + +#ifndef CONFIG_BT_HCIBTSDIO_DEBUG +#undef BT_DBG +#define BT_DBG(D...) +#endif + +#define VERSION "0.1" + +static const struct sdio_device_id btsdio_table[] = { + /* Generic Bluetooth Type-A SDIO device */ + { SDIO_DEVICE_CLASS(SDIO_CLASS_BT_A) }, + + /* Generic Bluetooth Type-B SDIO device */ + { SDIO_DEVICE_CLASS(SDIO_CLASS_BT_B) }, + + { } /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE(sdio, btsdio_table); + +struct btsdio_data { + struct hci_dev *hdev; + struct sdio_func *func; + + struct work_struct work; + + struct sk_buff_head txq; +}; + +#define REG_RDAT 0x00 /* Receiver Data */ +#define REG_TDAT 0x00 /* Transmitter Data */ +#define REG_PC_RRT 0x10 /* Read Packet Control */ +#define REG_PC_WRT 0x11 /* Write Packet Control */ +#define REG_RTC_STAT 0x12 /* Retry Control Status */ +#define REG_RTC_SET 0x12 /* Retry Control Set */ +#define REG_INTRD 0x13 /* Interrupt Indication */ +#define REG_CL_INTRD 0x13 /* Interrupt Clear */ +#define REG_EN_INTRD 0x14 /* Interrupt Enable */ +#define REG_MD_STAT 0x20 /* Bluetooth Mode Status */ + +static int btsdio_tx_packet(struct btsdio_data *data, struct sk_buff *skb) +{ + int err; + + BT_DBG("%s", data->hdev->name); + + /* Prepend Type-A header */ + skb_push(skb, 4); + skb->data[0] = (skb->len & 0x0000ff); + skb->data[1] = (skb->len & 0x00ff00) >> 8; + skb->data[2] = (skb->len & 0xff0000) >> 16; + skb->data[3] = bt_cb(skb)->pkt_type; + + err = sdio_writesb(data->func, REG_TDAT, skb->data, skb->len); + if (err < 0) { + sdio_writeb(data->func, 0x01, REG_PC_WRT, NULL); + return err; + } + + data->hdev->stat.byte_tx += skb->len; + + kfree_skb(skb); + + return 0; +} + +static void btsdio_work(struct work_struct *work) +{ + struct btsdio_data *data = container_of(work, struct btsdio_data, work); + struct sk_buff *skb; + int err; + + BT_DBG("%s", data->hdev->name); + + sdio_claim_host(data->func); + + while ((skb = skb_dequeue(&data->txq))) { + err = btsdio_tx_packet(data, skb); + if (err < 0) { + data->hdev->stat.err_tx++; + skb_queue_head(&data->txq, skb); + break; + } + } + + sdio_release_host(data->func); +} + +static int btsdio_rx_packet(struct btsdio_data *data) +{ + u8 hdr[4] __attribute__ ((aligned(4))); + struct sk_buff *skb; + int err, len; + + BT_DBG("%s", data->hdev->name); + + err = sdio_readsb(data->func, hdr, REG_RDAT, 4); + if (err < 0) + return err; + + len = hdr[0] | (hdr[1] << 8) | (hdr[2] << 16); + if (len < 4 || len > 65543) + return -EILSEQ; + + skb = bt_skb_alloc(len - 4, GFP_KERNEL); + if (!skb) { + /* Out of memory. Prepare a read retry and just + * return with the expectation that the next time + * we're called we'll have more memory. */ + return -ENOMEM; + } + + skb_put(skb, len - 4); + + err = sdio_readsb(data->func, skb->data, REG_RDAT, len - 4); + if (err < 0) { + kfree(skb); + return err; + } + + data->hdev->stat.byte_rx += len; + + skb->dev = (void *) data->hdev; + bt_cb(skb)->pkt_type = hdr[3]; + + err = hci_recv_frame(skb); + if (err < 0) { + kfree(skb); + return err; + } + + sdio_writeb(data->func, 0x00, REG_PC_RRT, NULL); + + return 0; +} + +static void btsdio_interrupt(struct sdio_func *func) +{ + struct btsdio_data *data = sdio_get_drvdata(func); + int intrd; + + BT_DBG("%s", data->hdev->name); + + intrd = sdio_readb(func, REG_INTRD, NULL); + if (intrd & 0x01) { + sdio_writeb(func, 0x01, REG_CL_INTRD, NULL); + + if (btsdio_rx_packet(data) < 0) { + data->hdev->stat.err_rx++; + sdio_writeb(data->func, 0x01, REG_PC_RRT, NULL); + } + } +} + +static int btsdio_open(struct hci_dev *hdev) +{ + struct btsdio_data *data = hdev->driver_data; + int err; + + BT_DBG("%s", hdev->name); + + if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) + return 0; + + sdio_claim_host(data->func); + + err = sdio_enable_func(data->func); + if (err < 0) { + clear_bit(HCI_RUNNING, &hdev->flags); + goto release; + } + + err = sdio_claim_irq(data->func, btsdio_interrupt); + if (err < 0) { + sdio_disable_func(data->func); + clear_bit(HCI_RUNNING, &hdev->flags); + goto release; + } + + if (data->func->class == SDIO_CLASS_BT_B) + sdio_writeb(data->func, 0x00, REG_MD_STAT, NULL); + + sdio_writeb(data->func, 0x01, REG_EN_INTRD, NULL); + +release: + sdio_release_host(data->func); + + return err; +} + +static int btsdio_close(struct hci_dev *hdev) +{ + struct btsdio_data *data = hdev->driver_data; + + BT_DBG("%s", hdev->name); + + if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) + return 0; + + sdio_claim_host(data->func); + + sdio_writeb(data->func, 0x00, REG_EN_INTRD, NULL); + + sdio_release_irq(data->func); + sdio_disable_func(data->func); + + sdio_release_host(data->func); + + return 0; +} + +static int btsdio_flush(struct hci_dev *hdev) +{ + struct btsdio_data *data = hdev->driver_data; + + BT_DBG("%s", hdev->name); + + skb_queue_purge(&data->txq); + + return 0; +} + +static int btsdio_send_frame(struct sk_buff *skb) +{ + struct hci_dev *hdev = (struct hci_dev *) skb->dev; + struct btsdio_data *data = hdev->driver_data; + + BT_DBG("%s", hdev->name); + + if (!test_bit(HCI_RUNNING, &hdev->flags)) + return -EBUSY; + + switch (bt_cb(skb)->pkt_type) { + case HCI_COMMAND_PKT: + hdev->stat.cmd_tx++; + break; + + case HCI_ACLDATA_PKT: + hdev->stat.acl_tx++; + break; + + case HCI_SCODATA_PKT: + hdev->stat.sco_tx++; + break; + + default: + return -EILSEQ; + } + + skb_queue_tail(&data->txq, skb); + + schedule_work(&data->work); + + return 0; +} + +static void btsdio_destruct(struct hci_dev *hdev) +{ + struct btsdio_data *data = hdev->driver_data; + + BT_DBG("%s", hdev->name); + + kfree(data); +} + +static int btsdio_probe(struct sdio_func *func, + const struct sdio_device_id *id) +{ + struct btsdio_data *data; + struct hci_dev *hdev; + struct sdio_func_tuple *tuple = func->tuples; + int err; + + BT_DBG("func %p id %p class 0x%04x", func, id, func->class); + + while (tuple) { + BT_DBG("code 0x%x size %d", tuple->code, tuple->size); + tuple = tuple->next; + } + + data = kzalloc(sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + data->func = func; + + INIT_WORK(&data->work, btsdio_work); + + skb_queue_head_init(&data->txq); + + hdev = hci_alloc_dev(); + if (!hdev) { + kfree(data); + return -ENOMEM; + } + + hdev->type = HCI_SDIO; + hdev->driver_data = data; + + data->hdev = hdev; + + SET_HCIDEV_DEV(hdev, &func->dev); + + hdev->open = btsdio_open; + hdev->close = btsdio_close; + hdev->flush = btsdio_flush; + hdev->send = btsdio_send_frame; + hdev->destruct = btsdio_destruct; + + hdev->owner = THIS_MODULE; + + err = hci_register_dev(hdev); + if (err < 0) { + hci_free_dev(hdev); + kfree(data); + return err; + } + + sdio_set_drvdata(func, data); + + return 0; +} + +static void btsdio_remove(struct sdio_func *func) +{ + struct btsdio_data *data = sdio_get_drvdata(func); + struct hci_dev *hdev; + + BT_DBG("func %p", func); + + if (!data) + return; + + hdev = data->hdev; + + sdio_set_drvdata(func, NULL); + + hci_unregister_dev(hdev); + + hci_free_dev(hdev); +} + +static struct sdio_driver btsdio_driver = { + .name = "btsdio", + .probe = btsdio_probe, + .remove = btsdio_remove, + .id_table = btsdio_table, +}; + +static int __init btsdio_init(void) +{ + BT_INFO("Generic Bluetooth SDIO driver ver %s", VERSION); + + return sdio_register_driver(&btsdio_driver); +} + +static void __exit btsdio_exit(void) +{ + sdio_unregister_driver(&btsdio_driver); +} + +module_init(btsdio_init); +module_exit(btsdio_exit); + +MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); +MODULE_DESCRIPTION("Generic Bluetooth SDIO driver ver " VERSION); +MODULE_VERSION(VERSION); +MODULE_LICENSE("GPL"); diff --git a/drivers/bluetooth/btuart_cs.c b/drivers/bluetooth/btuart_cs.c index d7d2ea0..08f48d5 100644 --- a/drivers/bluetooth/btuart_cs.c +++ b/drivers/bluetooth/btuart_cs.c @@ -294,10 +294,7 @@ static irqreturn_t btuart_interrupt(int irq, void *dev_inst) int boguscount = 0; int iir, lsr; - if (!info || !info->hdev) { - BT_ERR("Call of irq %d for unknown device", irq); - return IRQ_NONE; - } + BUG_ON(!info->hdev); iobase = info->p_dev->io.BasePort1; diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c new file mode 100644 index 0000000..12e1089 --- /dev/null +++ b/drivers/bluetooth/btusb.c @@ -0,0 +1,564 @@ +/* + * + * Generic Bluetooth USB driver + * + * Copyright (C) 2005-2007 Marcel Holtmann <marcel@holtmann.org> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/types.h> +#include <linux/sched.h> +#include <linux/errno.h> +#include <linux/skbuff.h> + +#include <linux/usb.h> + +#include <net/bluetooth/bluetooth.h> +#include <net/bluetooth/hci_core.h> + +//#define CONFIG_BT_HCIBTUSB_DEBUG +#ifndef CONFIG_BT_HCIBTUSB_DEBUG +#undef BT_DBG +#define BT_DBG(D...) +#endif + +#define VERSION "0.1" + +static struct usb_device_id btusb_table[] = { + /* Generic Bluetooth USB device */ + { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, + + { } /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE(usb, btusb_table); + +static struct usb_device_id blacklist_table[] = { + { } /* Terminating entry */ +}; + +#define BTUSB_INTR_RUNNING 0 +#define BTUSB_BULK_RUNNING 1 + +struct btusb_data { + struct hci_dev *hdev; + struct usb_device *udev; + + spinlock_t lock; + + unsigned long flags; + + struct work_struct work; + + struct usb_anchor tx_anchor; + struct usb_anchor intr_anchor; + struct usb_anchor bulk_anchor; + + struct usb_endpoint_descriptor *intr_ep; + struct usb_endpoint_descriptor *bulk_tx_ep; + struct usb_endpoint_descriptor *bulk_rx_ep; +}; + +static void btusb_intr_complete(struct urb *urb) +{ + struct hci_dev *hdev = urb->context; + struct btusb_data *data = hdev->driver_data; + int err; + + BT_DBG("%s urb %p status %d count %d", hdev->name, + urb, urb->status, urb->actual_length); + + if (!test_bit(HCI_RUNNING, &hdev->flags)) + return; + + if (urb->status == 0) { + if (hci_recv_fragment(hdev, HCI_EVENT_PKT, + urb->transfer_buffer, + urb->actual_length) < 0) { + BT_ERR("%s corrupted event packet", hdev->name); + hdev->stat.err_rx++; + } + } + + if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) + return; + + usb_anchor_urb(urb, &data->intr_anchor); + + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err < 0) { + BT_ERR("%s urb %p failed to resubmit (%d)", + hdev->name, urb, -err); + usb_unanchor_urb(urb); + } +} + +static inline int btusb_submit_intr_urb(struct hci_dev *hdev) +{ + struct btusb_data *data = hdev->driver_data; + struct urb *urb; + unsigned char *buf; + unsigned int pipe; + int err, size; + + BT_DBG("%s", hdev->name); + + urb = usb_alloc_urb(0, GFP_ATOMIC); + if (!urb) + return -ENOMEM; + + size = le16_to_cpu(data->intr_ep->wMaxPacketSize); + + buf = kmalloc(size, GFP_ATOMIC); + if (!buf) { + usb_free_urb(urb); + return -ENOMEM; + } + + pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); + + usb_fill_int_urb(urb, data->udev, pipe, buf, size, + btusb_intr_complete, hdev, + data->intr_ep->bInterval); + + urb->transfer_flags |= URB_FREE_BUFFER; + + usb_anchor_urb(urb, &data->intr_anchor); + + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err < 0) { + BT_ERR("%s urb %p submission failed (%d)", + hdev->name, urb, -err); + usb_unanchor_urb(urb); + kfree(buf); + } + + usb_free_urb(urb); + + return err; +} + +static void btusb_bulk_complete(struct urb *urb) +{ + struct hci_dev *hdev = urb->context; + struct btusb_data *data = hdev->driver_data; + int err; + + BT_DBG("%s urb %p status %d count %d", hdev->name, + urb, urb->status, urb->actual_length); + + if (!test_bit(HCI_RUNNING, &hdev->flags)) + return; + + if (urb->status == 0) { + if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, + urb->transfer_buffer, + urb->actual_length) < 0) { + BT_ERR("%s corrupted ACL packet", hdev->name); + hdev->stat.err_rx++; + } + } + + if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) + return; + + usb_anchor_urb(urb, &data->bulk_anchor); + + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err < 0) { + BT_ERR("%s urb %p failed to resubmit (%d)", + hdev->name, urb, -err); + usb_unanchor_urb(urb); + } +} + +static inline int btusb_submit_bulk_urb(struct hci_dev *hdev) +{ + struct btusb_data *data = hdev->driver_data; + struct urb *urb; + unsigned char *buf; + unsigned int pipe; + int err, size; + + BT_DBG("%s", hdev->name); + + urb = usb_alloc_urb(0, GFP_KERNEL); + if (!urb) + return -ENOMEM; + + size = le16_to_cpu(data->bulk_rx_ep->wMaxPacketSize); + + buf = kmalloc(size, GFP_KERNEL); + if (!buf) { + usb_free_urb(urb); + return -ENOMEM; + } + + pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); + + usb_fill_bulk_urb(urb, data->udev, pipe, + buf, size, btusb_bulk_complete, hdev); + + urb->transfer_flags |= URB_FREE_BUFFER; + + usb_anchor_urb(urb, &data->bulk_anchor); + + err = usb_submit_urb(urb, GFP_KERNEL); + if (err < 0) { + BT_ERR("%s urb %p submission failed (%d)", + hdev->name, urb, -err); + usb_unanchor_urb(urb); + kfree(buf); + } + + usb_free_urb(urb); + + return err; +} + +static void btusb_tx_complete(struct urb *urb) +{ + struct sk_buff *skb = urb->context; + struct hci_dev *hdev = (struct hci_dev *) skb->dev; + + BT_DBG("%s urb %p status %d count %d", hdev->name, + urb, urb->status, urb->actual_length); + + if (!test_bit(HCI_RUNNING, &hdev->flags)) + goto done; + + if (!urb->status) + hdev->stat.byte_tx += urb->transfer_buffer_length; + else + hdev->stat.err_tx++; + +done: + kfree(urb->setup_packet); + + kfree_skb(skb); +} + +static int btusb_open(struct hci_dev *hdev) +{ + struct btusb_data *data = hdev->driver_data; + int err; + + BT_DBG("%s", hdev->name); + + if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) + return 0; + + if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) + return 0; + + err = btusb_submit_intr_urb(hdev); + if (err < 0) { + clear_bit(BTUSB_INTR_RUNNING, &hdev->flags); + clear_bit(HCI_RUNNING, &hdev->flags); + } + + return err; +} + +static int btusb_close(struct hci_dev *hdev) +{ + struct btusb_data *data = hdev->driver_data; + + BT_DBG("%s", hdev->name); + + if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) + return 0; + + clear_bit(BTUSB_BULK_RUNNING, &data->flags); + usb_kill_anchored_urbs(&data->bulk_anchor); + + clear_bit(BTUSB_INTR_RUNNING, &data->flags); + usb_kill_anchored_urbs(&data->intr_anchor); + + return 0; +} + +static int btusb_flush(struct hci_dev *hdev) +{ + struct btusb_data *data = hdev->driver_data; + + BT_DBG("%s", hdev->name); + + usb_kill_anchored_urbs(&data->tx_anchor); + + return 0; +} + +static int btusb_send_frame(struct sk_buff *skb) +{ + struct hci_dev *hdev = (struct hci_dev *) skb->dev; + struct btusb_data *data = hdev->driver_data; + struct usb_ctrlrequest *dr; + struct urb *urb; + unsigned int pipe; + int err; + + BT_DBG("%s", hdev->name); + + if (!test_bit(HCI_RUNNING, &hdev->flags)) + return -EBUSY; + + switch (bt_cb(skb)->pkt_type) { + case HCI_COMMAND_PKT: + urb = usb_alloc_urb(0, GFP_ATOMIC); + if (!urb) + return -ENOMEM; + + dr = kmalloc(sizeof(*dr), GFP_ATOMIC); + if (!dr) { + usb_free_urb(urb); + return -ENOMEM; + } + + dr->bRequestType = USB_TYPE_CLASS; + dr->bRequest = 0; + dr->wIndex = 0; + dr->wValue = 0; + dr->wLength = __cpu_to_le16(skb->len); + + pipe = usb_sndctrlpipe(data->udev, 0x00); + + usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, + skb->data, skb->len, btusb_tx_complete, skb); + + hdev->stat.cmd_tx++; + break; + + case HCI_ACLDATA_PKT: + urb = usb_alloc_urb(0, GFP_ATOMIC); + if (!urb) + return -ENOMEM; + + pipe = usb_sndbulkpipe(data->udev, + data->bulk_tx_ep->bEndpointAddress); + + usb_fill_bulk_urb(urb, data->udev, pipe, + skb->data, skb->len, btusb_tx_complete, skb); + + hdev->stat.acl_tx++; + break; + + case HCI_SCODATA_PKT: + hdev->stat.sco_tx++; + kfree_skb(skb); + return 0; + + default: + return -EILSEQ; + } + + usb_anchor_urb(urb, &data->tx_anchor); + + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err < 0) { + BT_ERR("%s urb %p submission failed", hdev->name, urb); + kfree(urb->setup_packet); + usb_unanchor_urb(urb); + } + + usb_free_urb(urb); + + return err; +} + +static void btusb_destruct(struct hci_dev *hdev) +{ + struct btusb_data *data = hdev->driver_data; + + BT_DBG("%s", hdev->name); + + kfree(data); +} + +static void btusb_notify(struct hci_dev *hdev, unsigned int evt) +{ + struct btusb_data *data = hdev->driver_data; + + BT_DBG("%s evt %d", hdev->name, evt); + + if (evt == HCI_NOTIFY_CONN_ADD || evt == HCI_NOTIFY_CONN_DEL) + schedule_work(&data->work); +} + +static void btusb_work(struct work_struct *work) +{ + struct btusb_data *data = container_of(work, struct btusb_data, work); + struct hci_dev *hdev = data->hdev; + + if (hdev->conn_hash.acl_num == 0) { + clear_bit(BTUSB_BULK_RUNNING, &data->flags); + usb_kill_anchored_urbs(&data->bulk_anchor); + return; + } + + if (!test_and_set_bit(BTUSB_BULK_RUNNING, &data->flags)) { + if (btusb_submit_bulk_urb(hdev) < 0) + clear_bit(BTUSB_BULK_RUNNING, &data->flags); + else + btusb_submit_bulk_urb(hdev); + } +} + +static int btusb_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct usb_endpoint_descriptor *ep_desc; + struct btusb_data *data; + struct hci_dev *hdev; + int i, err; + + BT_DBG("intf %p id %p", intf, id); + + if (intf->cur_altsetting->desc.bInterfaceNumber != 0) + return -ENODEV; + + if (!id->driver_info) { + const struct usb_device_id *match; + match = usb_match_id(intf, blacklist_table); + if (match) + id = match; + } + + data = kzalloc(sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { + ep_desc = &intf->cur_altsetting->endpoint[i].desc; + + if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { + data->intr_ep = ep_desc; + continue; + } + + if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { + data->bulk_tx_ep = ep_desc; + continue; + } + + if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { + data->bulk_rx_ep = ep_desc; + continue; + } + } + + if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { + kfree(data); + return -ENODEV; + } + + data->udev = interface_to_usbdev(intf); + + spin_lock_init(&data->lock); + + INIT_WORK(&data->work, btusb_work); + + init_usb_anchor(&data->tx_anchor); + init_usb_anchor(&data->intr_anchor); + init_usb_anchor(&data->bulk_anchor); + + hdev = hci_alloc_dev(); + if (!hdev) { + kfree(data); + return -ENOMEM; + } + + hdev->type = HCI_USB; + hdev->driver_data = data; + + data->hdev = hdev; + + SET_HCIDEV_DEV(hdev, &intf->dev); + + hdev->open = btusb_open; + hdev->close = btusb_close; + hdev->flush = btusb_flush; + hdev->send = btusb_send_frame; + hdev->destruct = btusb_destruct; + hdev->notify = btusb_notify; + + hdev->owner = THIS_MODULE; + + set_bit(HCI_QUIRK_RESET_ON_INIT, &hdev->quirks); + + err = hci_register_dev(hdev); + if (err < 0) { + hci_free_dev(hdev); + kfree(data); + return err; + } + + usb_set_intfdata(intf, data); + + return 0; +} + +static void btusb_disconnect(struct usb_interface *intf) +{ + struct btusb_data *data = usb_get_intfdata(intf); + struct hci_dev *hdev; + + BT_DBG("intf %p", intf); + + if (!data) + return; + + hdev = data->hdev; + + usb_set_intfdata(intf, NULL); + + hci_unregister_dev(hdev); + + hci_free_dev(hdev); +} + +static struct usb_driver btusb_driver = { + .name = "btusb", + .probe = btusb_probe, + .disconnect = btusb_disconnect, + .id_table = btusb_table, +}; + +static int __init btusb_init(void) +{ + BT_INFO("Generic Bluetooth USB driver ver %s", VERSION); + + return usb_register(&btusb_driver); +} + +static void __exit btusb_exit(void) +{ + usb_deregister(&btusb_driver); +} + +module_init(btusb_init); +module_exit(btusb_exit); + +MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); +MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); +MODULE_VERSION(VERSION); +MODULE_LICENSE("GPL"); diff --git a/drivers/bluetooth/dtl1_cs.c b/drivers/bluetooth/dtl1_cs.c index 7f9c54b..dae45cd 100644 --- a/drivers/bluetooth/dtl1_cs.c +++ b/drivers/bluetooth/dtl1_cs.c @@ -298,10 +298,7 @@ static irqreturn_t dtl1_interrupt(int irq, void *dev_inst) int boguscount = 0; int iir, lsr; - if (!info || !info->hdev) { - BT_ERR("Call of irq %d for unknown device", irq); - return IRQ_NONE; - } + BUG_ON(!info->hdev); iobase = info->p_dev->io.BasePort1; diff --git a/drivers/bluetooth/hci_bcsp.c b/drivers/bluetooth/hci_bcsp.c index d66064c..696f752 100644 --- a/drivers/bluetooth/hci_bcsp.c +++ b/drivers/bluetooth/hci_bcsp.c @@ -237,7 +237,8 @@ static struct sk_buff *bcsp_prepare_pkt(struct bcsp_struct *bcsp, u8 *data, if (hciextn && chan == 5) { struct hci_command_hdr *hdr = (struct hci_command_hdr *) data; - if (hci_opcode_ogf(__le16_to_cpu(hdr->opcode)) == OGF_VENDOR_CMD) { + /* Vendor specific commands */ + if (hci_opcode_ogf(__le16_to_cpu(hdr->opcode)) == 0x3f) { u8 desc = *(data + HCI_COMMAND_HDR_SIZE); if ((desc & 0xf0) == 0xc0) { data += HCI_COMMAND_HDR_SIZE + 1; diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index 6055b9c..e68821d 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -549,7 +549,10 @@ static int __init hci_uart_init(void) #ifdef CONFIG_BT_HCIUART_BCSP bcsp_init(); #endif - +#ifdef CONFIG_BT_HCIUART_LL + ll_init(); +#endif + return 0; } @@ -563,6 +566,9 @@ static void __exit hci_uart_exit(void) #ifdef CONFIG_BT_HCIUART_BCSP bcsp_deinit(); #endif +#ifdef CONFIG_BT_HCIUART_LL + ll_deinit(); +#endif /* Release tty registration of line discipline */ if ((err = tty_unregister_ldisc(N_HCI))) diff --git a/drivers/bluetooth/hci_ll.c b/drivers/bluetooth/hci_ll.c new file mode 100644 index 0000000..8c3e62a --- /dev/null +++ b/drivers/bluetooth/hci_ll.c @@ -0,0 +1,531 @@ +/* + * Texas Instruments' Bluetooth HCILL UART protocol + * + * HCILL (HCI Low Level) is a Texas Instruments' power management + * protocol extension to H4. + * + * Copyright (C) 2007 Texas Instruments, Inc. + * + * Written by Ohad Ben-Cohen <ohad@bencohen.org> + * + * Acknowledgements: + * This file is based on hci_h4.c, which was written + * by Maxim Krasnyansky and Marcel Holtmann. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <linux/module.h> +#include <linux/kernel.h> + +#include <linux/init.h> +#include <linux/sched.h> +#include <linux/types.h> +#include <linux/fcntl.h> +#include <linux/interrupt.h> +#include <linux/ptrace.h> +#include <linux/poll.h> + +#include <linux/slab.h> +#include <linux/tty.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/signal.h> +#include <linux/ioctl.h> +#include <linux/skbuff.h> + +#include <net/bluetooth/bluetooth.h> +#include <net/bluetooth/hci_core.h> + +#include "hci_uart.h" + +/* HCILL commands */ +#define HCILL_GO_TO_SLEEP_IND 0x30 +#define HCILL_GO_TO_SLEEP_ACK 0x31 +#define HCILL_WAKE_UP_IND 0x32 +#define HCILL_WAKE_UP_ACK 0x33 + +/* HCILL receiver States */ +#define HCILL_W4_PACKET_TYPE 0 +#define HCILL_W4_EVENT_HDR 1 +#define HCILL_W4_ACL_HDR 2 +#define HCILL_W4_SCO_HDR 3 +#define HCILL_W4_DATA 4 + +/* HCILL states */ +enum hcill_states_e { + HCILL_ASLEEP, + HCILL_ASLEEP_TO_AWAKE, + HCILL_AWAKE, + HCILL_AWAKE_TO_ASLEEP +}; + +struct hcill_cmd { + u8 cmd; +} __attribute__((packed)); + +struct ll_struct { + unsigned long rx_state; + unsigned long rx_count; + struct sk_buff *rx_skb; + struct sk_buff_head txq; + spinlock_t hcill_lock; /* HCILL state lock */ + unsigned long hcill_state; /* HCILL power state */ + struct sk_buff_head tx_wait_q; /* HCILL wait queue */ +}; + +/* + * Builds and sends an HCILL command packet. + * These are very simple packets with only 1 cmd byte + */ +static int send_hcill_cmd(u8 cmd, struct hci_uart *hu) +{ + int err = 0; + struct sk_buff *skb = NULL; + struct ll_struct *ll = hu->priv; + struct hcill_cmd *hcill_packet; + + BT_DBG("hu %p cmd 0x%x", hu, cmd); + + /* allocate packet */ + skb = bt_skb_alloc(1, GFP_ATOMIC); + if (!skb) { + BT_ERR("cannot allocate memory for HCILL packet"); + err = -ENOMEM; + goto out; + } + + /* prepare packet */ + hcill_packet = (struct hcill_cmd *) skb_put(skb, 1); + hcill_packet->cmd = cmd; + skb->dev = (void *) hu->hdev; + + /* send packet */ + skb_queue_tail(&ll->txq, skb); +out: + return err; +} + +/* Initialize protocol */ +static int ll_open(struct hci_uart *hu) +{ + struct ll_struct *ll; + + BT_DBG("hu %p", hu); + + ll = kzalloc(sizeof(*ll), GFP_ATOMIC); + if (!ll) + return -ENOMEM; + + skb_queue_head_init(&ll->txq); + skb_queue_head_init(&ll->tx_wait_q); + spin_lock_init(&ll->hcill_lock); + + ll->hcill_state = HCILL_AWAKE; + + hu->priv = ll; + + return 0; +} + +/* Flush protocol data */ +static int ll_flush(struct hci_uart *hu) +{ + struct ll_struct *ll = hu->priv; + + BT_DBG("hu %p", hu); + + skb_queue_purge(&ll->tx_wait_q); + skb_queue_purge(&ll->txq); + + return 0; +} + +/* Close protocol */ +static int ll_close(struct hci_uart *hu) +{ + struct ll_struct *ll = hu->priv; + + BT_DBG("hu %p", hu); + + skb_queue_purge(&ll->tx_wait_q); + skb_queue_purge(&ll->txq); + + if (ll->rx_skb) + kfree_skb(ll->rx_skb); + + hu->priv = NULL; + + kfree(ll); + + return 0; +} + +/* + * internal function, which does common work of the device wake up process: + * 1. places all pending packets (waiting in tx_wait_q list) in txq list. + * 2. changes internal state to HCILL_AWAKE. + * Note: assumes that hcill_lock spinlock is taken, + * shouldn't be called otherwise! + */ +static void __ll_do_awake(struct ll_struct *ll) +{ + struct sk_buff *skb = NULL; + + while ((skb = skb_dequeue(&ll->tx_wait_q))) + skb_queue_tail(&ll->txq, skb); + + ll->hcill_state = HCILL_AWAKE; +} + +/* + * Called upon a wake-up-indication from the device + */ +static void ll_device_want_to_wakeup(struct hci_uart *hu) +{ + unsigned long flags; + struct ll_struct *ll = hu->priv; + + BT_DBG("hu %p", hu); + + /* lock hcill state */ + spin_lock_irqsave(&ll->hcill_lock, flags); + + switch (ll->hcill_state) { + case HCILL_ASLEEP: + /* acknowledge device wake up */ + if (send_hcill_cmd(HCILL_WAKE_UP_ACK, hu) < 0) { + BT_ERR("cannot acknowledge device wake up"); + goto out; + } + break; + case HCILL_ASLEEP_TO_AWAKE: + /* + * this state means that a wake-up-indication + * is already on its way to the device, + * and will serve as the required wake-up-ack + */ + BT_DBG("dual wake-up-indication"); + break; + default: + /* any other state are illegal */ + BT_ERR("received HCILL_WAKE_UP_IND in state %ld", ll->hcill_state); + break; + } + + /* send pending packets and change state to HCILL_AWAKE */ + __ll_do_awake(ll); + +out: + spin_unlock_irqrestore(&ll->hcill_lock, flags); + + /* actually send the packets */ + hci_uart_tx_wakeup(hu); +} + +/* + * Called upon a sleep-indication from the device + */ +static void ll_device_want_to_sleep(struct hci_uart *hu) +{ + unsigned long flags; + struct ll_struct *ll = hu->priv; + + BT_DBG("hu %p", hu); + + /* lock hcill state */ + spin_lock_irqsave(&ll->hcill_lock, flags); + + /* sanity check */ + if (ll->hcill_state != HCILL_AWAKE) + BT_ERR("ERR: HCILL_GO_TO_SLEEP_IND in state %ld", ll->hcill_state); + + /* acknowledge device sleep */ + if (send_hcill_cmd(HCILL_GO_TO_SLEEP_ACK, hu) < 0) { + BT_ERR("cannot acknowledge device sleep"); + goto out; + } + + /* update state */ + ll->hcill_state = HCILL_ASLEEP; + +out: + spin_unlock_irqrestore(&ll->hcill_lock, flags); + + /* actually send the sleep ack packet */ + hci_uart_tx_wakeup(hu); +} + +/* + * Called upon wake-up-acknowledgement from the device + */ +static void ll_device_woke_up(struct hci_uart *hu) +{ + unsigned long flags; + struct ll_struct *ll = hu->priv; + + BT_DBG("hu %p", hu); + + /* lock hcill state */ + spin_lock_irqsave(&ll->hcill_lock, flags); + + /* sanity check */ + if (ll->hcill_state != HCILL_ASLEEP_TO_AWAKE) + BT_ERR("received HCILL_WAKE_UP_ACK in state %ld", ll->hcill_state); + + /* send pending packets and change state to HCILL_AWAKE */ + __ll_do_awake(ll); + + spin_unlock_irqrestore(&ll->hcill_lock, flags); + + /* actually send the packets */ + hci_uart_tx_wakeup(hu); +} + +/* Enqueue frame for transmittion (padding, crc, etc) */ +/* may be called from two simultaneous tasklets */ +static int ll_enqueue(struct hci_uart *hu, struct sk_buff *skb) +{ + unsigned long flags = 0; + struct ll_struct *ll = hu->priv; + + BT_DBG("hu %p skb %p", hu, skb); + + /* Prepend skb with frame type */ + memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1); + + /* lock hcill state */ + spin_lock_irqsave(&ll->hcill_lock, flags); + + /* act according to current state */ + switch (ll->hcill_state) { + case HCILL_AWAKE: + BT_DBG("device awake, sending normally"); + skb_queue_tail(&ll->txq, skb); + break; + case HCILL_ASLEEP: + BT_DBG("device asleep, waking up and queueing packet"); + /* save packet for later */ + skb_queue_tail(&ll->tx_wait_q, skb); + /* awake device */ + if (send_hcill_cmd(HCILL_WAKE_UP_IND, hu) < 0) { + BT_ERR("cannot wake up device"); + break; + } + ll->hcill_state = HCILL_ASLEEP_TO_AWAKE; + break; + case HCILL_ASLEEP_TO_AWAKE: + BT_DBG("device waking up, queueing packet"); + /* transient state; just keep packet for later */ + skb_queue_tail(&ll->tx_wait_q, skb); + break; + default: + BT_ERR("illegal hcill state: %ld (losing packet)", ll->hcill_state); + kfree_skb(skb); + break; + } + + spin_unlock_irqrestore(&ll->hcill_lock, flags); + + return 0; +} + +static inline int ll_check_data_len(struct ll_struct *ll, int len) +{ + register int room = skb_tailroom(ll->rx_skb); + + BT_DBG("len %d room %d", len, room); + + if (!len) { + hci_recv_frame(ll->rx_skb); + } else if (len > room) { + BT_ERR("Data length is too large"); + kfree_skb(ll->rx_skb); + } else { + ll->rx_state = HCILL_W4_DATA; + ll->rx_count = len; + return len; + } + + ll->rx_state = HCILL_W4_PACKET_TYPE; + ll->rx_skb = NULL; + ll->rx_count = 0; + + return 0; +} + +/* Recv data */ +static int ll_recv(struct hci_uart *hu, void *data, int count) +{ + struct ll_struct *ll = hu->priv; + register char *ptr; + struct hci_event_hdr *eh; + struct hci_acl_hdr *ah; + struct hci_sco_hdr *sh; + register int len, type, dlen; + + BT_DBG("hu %p count %d rx_state %ld rx_count %ld", hu, count, ll->rx_state, ll->rx_count); + + ptr = data; + while (count) { + if (ll->rx_count) { + len = min_t(unsigned int, ll->rx_count, count); + memcpy(skb_put(ll->rx_skb, len), ptr, len); + ll->rx_count -= len; count -= len; ptr += len; + + if (ll->rx_count) + continue; + + switch (ll->rx_state) { + case HCILL_W4_DATA: + BT_DBG("Complete data"); + hci_recv_frame(ll->rx_skb); + + ll->rx_state = HCILL_W4_PACKET_TYPE; + ll->rx_skb = NULL; + continue; + + case HCILL_W4_EVENT_HDR: + eh = (struct hci_event_hdr *) ll->rx_skb->data; + + BT_DBG("Event header: evt 0x%2.2x plen %d", eh->evt, eh->plen); + + ll_check_data_len(ll, eh->plen); + continue; + + case HCILL_W4_ACL_HDR: + ah = (struct hci_acl_hdr *) ll->rx_skb->data; + dlen = __le16_to_cpu(ah->dlen); + + BT_DBG("ACL header: dlen %d", dlen); + + ll_check_data_len(ll, dlen); + continue; + + case HCILL_W4_SCO_HDR: + sh = (struct hci_sco_hdr *) ll->rx_skb->data; + + BT_DBG("SCO header: dlen %d", sh->dlen); + + ll_check_data_len(ll, sh->dlen); + continue; + } + } + + /* HCILL_W4_PACKET_TYPE */ + switch (*ptr) { + case HCI_EVENT_PKT: + BT_DBG("Event packet"); + ll->rx_state = HCILL_W4_EVENT_HDR; + ll->rx_count = HCI_EVENT_HDR_SIZE; + type = HCI_EVENT_PKT; + break; + + case HCI_ACLDATA_PKT: + BT_DBG("ACL packet"); + ll->rx_state = HCILL_W4_ACL_HDR; + ll->rx_count = HCI_ACL_HDR_SIZE; + type = HCI_ACLDATA_PKT; + break; + + case HCI_SCODATA_PKT: + BT_DBG("SCO packet"); + ll->rx_state = HCILL_W4_SCO_HDR; + ll->rx_count = HCI_SCO_HDR_SIZE; + type = HCI_SCODATA_PKT; + break; + + /* HCILL signals */ + case HCILL_GO_TO_SLEEP_IND: + BT_DBG("HCILL_GO_TO_SLEEP_IND packet"); + ll_device_want_to_sleep(hu); + ptr++; count--; + continue; + + case HCILL_GO_TO_SLEEP_ACK: + /* shouldn't happen */ + BT_ERR("received HCILL_GO_TO_SLEEP_ACK (in state %ld)", ll->hcill_state); + ptr++; count--; + continue; + + case HCILL_WAKE_UP_IND: + BT_DBG("HCILL_WAKE_UP_IND packet"); + ll_device_want_to_wakeup(hu); + ptr++; count--; + continue; + + case HCILL_WAKE_UP_ACK: + BT_DBG("HCILL_WAKE_UP_ACK packet"); + ll_device_woke_up(hu); + ptr++; count--; + continue; + + default: + BT_ERR("Unknown HCI packet type %2.2x", (__u8)*ptr); + hu->hdev->stat.err_rx++; + ptr++; count--; + continue; + }; + + ptr++; count--; + + /* Allocate packet */ + ll->rx_skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); + if (!ll->rx_skb) { + BT_ERR("Can't allocate mem for new packet"); + ll->rx_state = HCILL_W4_PACKET_TYPE; + ll->rx_count = 0; + return 0; + } + + ll->rx_skb->dev = (void *) hu->hdev; + bt_cb(ll->rx_skb)->pkt_type = type; + } + + return count; +} + +static struct sk_buff *ll_dequeue(struct hci_uart *hu) +{ + struct ll_struct *ll = hu->priv; + return skb_dequeue(&ll->txq); +} + +static struct hci_uart_proto llp = { + .id = HCI_UART_LL, + .open = ll_open, + .close = ll_close, + .recv = ll_recv, + .enqueue = ll_enqueue, + .dequeue = ll_dequeue, + .flush = ll_flush, +}; + +int ll_init(void) +{ + int err = hci_uart_register_proto(&llp); + + if (!err) + BT_INFO("HCILL protocol initialized"); + else + BT_ERR("HCILL protocol registration failed"); + + return err; +} + +int ll_deinit(void) +{ + return hci_uart_unregister_proto(&llp); +} diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h index 1097ce7..50113db 100644 --- a/drivers/bluetooth/hci_uart.h +++ b/drivers/bluetooth/hci_uart.h @@ -33,12 +33,13 @@ #define HCIUARTGETDEVICE _IOR('U', 202, int) /* UART protocols */ -#define HCI_UART_MAX_PROTO 4 +#define HCI_UART_MAX_PROTO 5 #define HCI_UART_H4 0 #define HCI_UART_BCSP 1 #define HCI_UART_3WIRE 2 #define HCI_UART_H4DS 3 +#define HCI_UART_LL 4 struct hci_uart; @@ -85,3 +86,8 @@ int h4_deinit(void); int bcsp_init(void); int bcsp_deinit(void); #endif + +#ifdef CONFIG_BT_HCIUART_LL +int ll_init(void); +int ll_deinit(void); +#endif diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c index 2f307c4..6758832 100644 --- a/drivers/firewire/fw-ohci.c +++ b/drivers/firewire/fw-ohci.c @@ -606,7 +606,7 @@ static int at_context_queue_packet(struct context *ctx, struct fw_packet *packet) { struct fw_ohci *ohci = ctx->ohci; - dma_addr_t d_bus, payload_bus; + dma_addr_t d_bus, uninitialized_var(payload_bus); struct driver_data *driver_data; struct descriptor *d, *last; __le32 *header; @@ -1459,7 +1459,7 @@ ohci_allocate_iso_context(struct fw_card *card, int type, size_t header_size) /* FIXME: We need a fallback for pre 1.1 OHCI. */ if (callback == handle_ir_dualbuffer_packet && ohci->version < OHCI_VERSION_1_1) - return ERR_PTR(-EINVAL); + return ERR_PTR(-ENOSYS); spin_lock_irqsave(&ohci->lock, flags); index = ffs(*mask) - 1; @@ -1778,7 +1778,7 @@ ohci_queue_iso(struct fw_iso_context *base, buffer, payload); else /* FIXME: Implement fallback for OHCI 1.0 controllers. */ - return -EINVAL; + return -ENOSYS; } static const struct fw_card_driver ohci_driver = { @@ -1898,7 +1898,12 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent) ohci->version = reg_read(ohci, OHCI1394_Version) & 0x00ff00ff; fw_notify("Added fw-ohci device %s, OHCI version %x.%x\n", dev->dev.bus_id, ohci->version >> 16, ohci->version & 0xff); - + if (ohci->version < OHCI_VERSION_1_1) { + fw_notify(" Isochronous I/O is not yet implemented for " + "OHCI 1.0 chips.\n"); + fw_notify(" Cameras, audio devices etc. won't work on " + "this controller with this driver version.\n"); + } return 0; fail_self_id: diff --git a/drivers/ide/cris/ide-cris.c b/drivers/ide/cris/ide-cris.c index ff20377..e196aef 100644 --- a/drivers/ide/cris/ide-cris.c +++ b/drivers/ide/cris/ide-cris.c @@ -935,11 +935,11 @@ static int cris_ide_build_dmatable (ide_drive_t *drive) * than two possibly non-adjacent physical 4kB pages. */ /* group sequential buffers into one large buffer */ - addr = page_to_phys(sg->page) + sg->offset; + addr = sg_phys(sg); size = sg_dma_len(sg); while (--i) { sg = sg_next(sg); - if ((addr + size) != page_to_phys(sg->page) + sg->offset) + if ((addr + size) != sg_phys(sg)) break; size += sg_dma_len(sg); } diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index d5146c5..ec55a17 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -1317,12 +1317,14 @@ static int hwif_init(ide_hwif_t *hwif) if (!hwif->sg_max_nents) hwif->sg_max_nents = PRD_ENTRIES; - hwif->sg_table = kzalloc(sizeof(struct scatterlist)*hwif->sg_max_nents, + hwif->sg_table = kmalloc(sizeof(struct scatterlist)*hwif->sg_max_nents, GFP_KERNEL); if (!hwif->sg_table) { printk(KERN_ERR "%s: unable to allocate SG table.\n", hwif->name); goto out; } + + sg_init_table(hwif->sg_table, hwif->sg_max_nents); if (init_irq(hwif) == 0) goto done; diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index 73ef6bf..d066546 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -261,7 +261,7 @@ static void ide_pio_sector(ide_drive_t *drive, unsigned int write) hwif->cursg = sg; } - page = cursg->page; + page = sg_page(cursg); offset = cursg->offset + hwif->cursg_ofs * SECTOR_SIZE; /* get the current page and offset */ diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c index 1de5856..a4ce3ba 100644 --- a/drivers/ide/mips/au1xxx-ide.c +++ b/drivers/ide/mips/au1xxx-ide.c @@ -276,8 +276,7 @@ static int auide_build_dmatable(ide_drive_t *drive) if (iswrite) { if(!put_source_flags(ahwif->tx_chan, - (void*)(page_address(sg->page) - + sg->offset), + (void*) sg_virt(sg), tc, flags)) { printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__); @@ -285,8 +284,7 @@ static int auide_build_dmatable(ide_drive_t *drive) } else { if(!put_dest_flags(ahwif->rx_chan, - (void*)(page_address(sg->page) - + sg->offset), + (void*) sg_virt(sg), tc, flags)) { printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__); diff --git a/drivers/ieee1394/dma.c b/drivers/ieee1394/dma.c index 45d6055..25e113b 100644 --- a/drivers/ieee1394/dma.c +++ b/drivers/ieee1394/dma.c @@ -111,7 +111,7 @@ int dma_region_alloc(struct dma_region *dma, unsigned long n_bytes, unsigned long va = (unsigned long)dma->kvirt + (i << PAGE_SHIFT); - dma->sglist[i].page = vmalloc_to_page((void *)va); + sg_set_page(&dma->sglist[i], vmalloc_to_page((void *)va)); dma->sglist[i].length = PAGE_SIZE; } diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 1b353b9..d5dfe11 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -1466,7 +1466,7 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, cmd->dma_size = sgpnt[0].length; cmd->dma_type = CMD_DMA_PAGE; cmd->cmd_dma = dma_map_page(hi->host->device.parent, - sgpnt[0].page, sgpnt[0].offset, + sg_page(&sgpnt[0]), sgpnt[0].offset, cmd->dma_size, cmd->dma_dir); orb->data_descriptor_lo = cmd->cmd_dma; diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c index 2f54e29..14159ff 100644 --- a/drivers/infiniband/core/umem.c +++ b/drivers/infiniband/core/umem.c @@ -55,9 +55,11 @@ static void __ib_umem_release(struct ib_device *dev, struct ib_umem *umem, int d ib_dma_unmap_sg(dev, chunk->page_list, chunk->nents, DMA_BIDIRECTIONAL); for (i = 0; i < chunk->nents; ++i) { + struct page *page = sg_page(&chunk->page_list[i]); + if (umem->writable && dirty) - set_page_dirty_lock(chunk->page_list[i].page); - put_page(chunk->page_list[i].page); + set_page_dirty_lock(page); + put_page(page); } kfree(chunk); @@ -164,11 +166,12 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr, } chunk->nents = min_t(int, ret, IB_UMEM_MAX_PAGE_CHUNK); + sg_init_table(chunk->page_list, chunk->nents); for (i = 0; i < chunk->nents; ++i) { if (vma_list && !is_vm_hugetlb_page(vma_list[i + off])) umem->hugetlb = 0; - chunk->page_list[i].page = page_list[i + off]; + sg_set_page(&chunk->page_list[i], page_list[i + off]); chunk->page_list[i].offset = 0; chunk->page_list[i].length = PAGE_SIZE; } @@ -179,7 +182,7 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr, DMA_BIDIRECTIONAL); if (chunk->nmap <= 0) { for (i = 0; i < chunk->nents; ++i) - put_page(chunk->page_list[i].page); + put_page(sg_page(&chunk->page_list[i])); kfree(chunk); ret = -ENOMEM; diff --git a/drivers/infiniband/hw/ipath/ipath_dma.c b/drivers/infiniband/hw/ipath/ipath_dma.c index 22709a4..e90a0ea 100644 --- a/drivers/infiniband/hw/ipath/ipath_dma.c +++ b/drivers/infiniband/hw/ipath/ipath_dma.c @@ -108,7 +108,7 @@ static int ipath_map_sg(struct ib_device *dev, struct scatterlist *sgl, BUG_ON(!valid_dma_direction(direction)); for_each_sg(sgl, sg, nents, i) { - addr = (u64) page_address(sg->page); + addr = (u64) page_address(sg_page(sg)); /* TODO: handle highmem pages */ if (!addr) { ret = 0; @@ -127,7 +127,7 @@ static void ipath_unmap_sg(struct ib_device *dev, static u64 ipath_sg_dma_address(struct ib_device *dev, struct scatterlist *sg) { - u64 addr = (u64) page_address(sg->page); + u64 addr = (u64) page_address(sg_page(sg)); if (addr) addr += sg->offset; diff --git a/drivers/infiniband/hw/ipath/ipath_mr.c b/drivers/infiniband/hw/ipath/ipath_mr.c index e442470..db4ba92 100644 --- a/drivers/infiniband/hw/ipath/ipath_mr.c +++ b/drivers/infiniband/hw/ipath/ipath_mr.c @@ -225,7 +225,7 @@ struct ib_mr *ipath_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, for (i = 0; i < chunk->nents; i++) { void *vaddr; - vaddr = page_address(chunk->page_list[i].page); + vaddr = page_address(sg_page(&chunk->page_list[i])); if (!vaddr) { ret = ERR_PTR(-EINVAL); goto bail; diff --git a/drivers/infiniband/hw/mthca/mthca_memfree.c b/drivers/infiniband/hw/mthca/mthca_memfree.c index e61f3e6..007b381 100644 --- a/drivers/infiniband/hw/mthca/mthca_memfree.c +++ b/drivers/infiniband/hw/mthca/mthca_memfree.c @@ -71,7 +71,7 @@ static void mthca_free_icm_pages(struct mthca_dev *dev, struct mthca_icm_chunk * PCI_DMA_BIDIRECTIONAL); for (i = 0; i < chunk->npages; ++i) - __free_pages(chunk->mem[i].page, + __free_pages(sg_page(&chunk->mem[i]), get_order(chunk->mem[i].length)); } @@ -81,7 +81,7 @@ static void mthca_free_icm_coherent(struct mthca_dev *dev, struct mthca_icm_chun for (i = 0; i < chunk->npages; ++i) { dma_free_coherent(&dev->pdev->dev, chunk->mem[i].length, - lowmem_page_address(chunk->mem[i].page), + lowmem_page_address(sg_page(&chunk->mem[i])), sg_dma_address(&chunk->mem[i])); } } @@ -107,10 +107,13 @@ void mthca_free_icm(struct mthca_dev *dev, struct mthca_icm *icm, int coherent) static int mthca_alloc_icm_pages(struct scatterlist *mem, int order, gfp_t gfp_mask) { - mem->page = alloc_pages(gfp_mask, order); - if (!mem->page) + struct page *page; + + page = alloc_pages(gfp_mask, order); + if (!page) return -ENOMEM; + sg_set_page(mem, page); mem->length = PAGE_SIZE << order; mem->offset = 0; return 0; @@ -157,6 +160,7 @@ struct mthca_icm *mthca_alloc_icm(struct mthca_dev *dev, int npages, if (!chunk) goto fail; + sg_init_table(chunk->mem, MTHCA_ICM_CHUNK_LEN); chunk->npages = 0; chunk->nsg = 0; list_add_tail(&chunk->list, &icm->chunk_list); @@ -304,7 +308,7 @@ void *mthca_table_find(struct mthca_icm_table *table, int obj, dma_addr_t *dma_h * so if we found the page, dma_handle has already * been assigned to. */ if (chunk->mem[i].length > offset) { - page = chunk->mem[i].page; + page = sg_page(&chunk->mem[i]); goto out; } offset -= chunk->mem[i].length; @@ -445,6 +449,7 @@ static u64 mthca_uarc_virt(struct mthca_dev *dev, struct mthca_uar *uar, int pag int mthca_map_user_db(struct mthca_dev *dev, struct mthca_uar *uar, struct mthca_user_db_table *db_tab, int index, u64 uaddr) { + struct page *pages[1]; int ret = 0; u8 status; int i; @@ -472,16 +477,17 @@ int mthca_map_user_db(struct mthca_dev *dev, struct mthca_uar *uar, } ret = get_user_pages(current, current->mm, uaddr & PAGE_MASK, 1, 1, 0, - &db_tab->page[i].mem.page, NULL); + pages, NULL); if (ret < 0) goto out; + sg_set_page(&db_tab->page[i].mem, pages[0]); db_tab->page[i].mem.length = MTHCA_ICM_PAGE_SIZE; db_tab->page[i].mem.offset = uaddr & ~PAGE_MASK; ret = pci_map_sg(dev->pdev, &db_tab->page[i].mem, 1, PCI_DMA_TODEVICE); if (ret < 0) { - put_page(db_tab->page[i].mem.page); + put_page(pages[0]); goto out; } @@ -491,7 +497,7 @@ int mthca_map_user_db(struct mthca_dev *dev, struct mthca_uar *uar, ret = -EINVAL; if (ret) { pci_unmap_sg(dev->pdev, &db_tab->page[i].mem, 1, PCI_DMA_TODEVICE); - put_page(db_tab->page[i].mem.page); + put_page(sg_page(&db_tab->page[i].mem)); goto out; } @@ -557,7 +563,7 @@ void mthca_cleanup_user_db_tab(struct mthca_dev *dev, struct mthca_uar *uar, if (db_tab->page[i].uvirt) { mthca_UNMAP_ICM(dev, mthca_uarc_virt(dev, uar, i), 1, &status); pci_unmap_sg(dev->pdev, &db_tab->page[i].mem, 1, PCI_DMA_TODEVICE); - put_page(db_tab->page[i].mem.page); + put_page(sg_page(&db_tab->page[i].mem)); } } diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c index f3529b6..d687980 100644 --- a/drivers/infiniband/ulp/iser/iser_memory.c +++ b/drivers/infiniband/ulp/iser/iser_memory.c @@ -131,7 +131,7 @@ static int iser_start_rdma_unaligned_sg(struct iscsi_iser_cmd_task *iser_ctask, p = mem; for_each_sg(sgl, sg, data->size, i) { - from = kmap_atomic(sg->page, KM_USER0); + from = kmap_atomic(sg_page(sg), KM_USER0); memcpy(p, from + sg->offset, sg->length); @@ -191,7 +191,7 @@ void iser_finalize_rdma_unaligned_sg(struct iscsi_iser_cmd_task *iser_ctask, p = mem; for_each_sg(sgl, sg, sg_size, i) { - to = kmap_atomic(sg->page, KM_SOFTIRQ0); + to = kmap_atomic(sg_page(sg), KM_SOFTIRQ0); memcpy(to + sg->offset, p, sg->length); @@ -300,7 +300,7 @@ static unsigned int iser_data_buf_aligned_len(struct iser_data_buf *data, for_each_sg(sgl, sg, data->dma_nents, i) { /* iser_dbg("Checking sg iobuf [%d]: phys=0x%08lX " "offset: %ld sz: %ld\n", i, - (unsigned long)page_to_phys(sg->page), + (unsigned long)sg_phys(sg), (unsigned long)sg->offset, (unsigned long)sg->length); */ end_addr = ib_sg_dma_address(ibdev, sg) + @@ -336,7 +336,7 @@ static void iser_data_buf_dump(struct iser_data_buf *data, iser_err("sg[%d] dma_addr:0x%lX page:0x%p " "off:0x%x sz:0x%x dma_len:0x%x\n", i, (unsigned long)ib_sg_dma_address(ibdev, sg), - sg->page, sg->offset, + sg_page(sg), sg->offset, sg->length, ib_sg_dma_len(ibdev, sg)); } diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 0eb5416..ac54f69 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -348,16 +348,17 @@ static int crypt_convert(struct crypt_config *cc, ctx->idx_out < ctx->bio_out->bi_vcnt) { struct bio_vec *bv_in = bio_iovec_idx(ctx->bio_in, ctx->idx_in); struct bio_vec *bv_out = bio_iovec_idx(ctx->bio_out, ctx->idx_out); - struct scatterlist sg_in = { - .page = bv_in->bv_page, - .offset = bv_in->bv_offset + ctx->offset_in, - .length = 1 << SECTOR_SHIFT - }; - struct scatterlist sg_out = { - .page = bv_out->bv_page, - .offset = bv_out->bv_offset + ctx->offset_out, - .length = 1 << SECTOR_SHIFT - }; + struct scatterlist sg_in, sg_out; + + sg_init_table(&sg_in, 1); + sg_set_page(&sg_in, bv_in->bv_page); + sg_in.offset = bv_in->bv_offset + ctx->offset_in; + sg_in.length = 1 << SECTOR_SHIFT; + + sg_init_table(&sg_out, 1); + sg_set_page(&sg_out, bv_out->bv_page); + sg_out.offset = bv_out->bv_offset + ctx->offset_out; + sg_out.length = 1 << SECTOR_SHIFT; ctx->offset_in += sg_in.length; if (ctx->offset_in >= bv_in->bv_len) { diff --git a/drivers/media/common/ir-keymaps.c b/drivers/media/common/ir-keymaps.c index aefcf28..185e8a8 100644 --- a/drivers/media/common/ir-keymaps.c +++ b/drivers/media/common/ir-keymaps.c @@ -1074,41 +1074,41 @@ EXPORT_SYMBOL_GPL(ir_codes_manli); /* Mike Baikov <mike@baikov.com> */ IR_KEYTAB_TYPE ir_codes_gotview7135[IR_KEYTAB_SIZE] = { - [ 0x21 ] = KEY_POWER, - [ 0x69 ] = KEY_TV, - [ 0x33 ] = KEY_0, - [ 0x51 ] = KEY_1, - [ 0x31 ] = KEY_2, - [ 0x71 ] = KEY_3, - [ 0x3b ] = KEY_4, - [ 0x58 ] = KEY_5, - [ 0x41 ] = KEY_6, - [ 0x48 ] = KEY_7, - [ 0x30 ] = KEY_8, - [ 0x53 ] = KEY_9, - [ 0x73 ] = KEY_AGAIN, /* LOOP */ - [ 0x0a ] = KEY_AUDIO, - [ 0x61 ] = KEY_PRINT, /* PREVIEW */ - [ 0x7a ] = KEY_VIDEO, - [ 0x20 ] = KEY_CHANNELUP, - [ 0x40 ] = KEY_CHANNELDOWN, - [ 0x18 ] = KEY_VOLUMEDOWN, - [ 0x50 ] = KEY_VOLUMEUP, - [ 0x10 ] = KEY_MUTE, - [ 0x4a ] = KEY_SEARCH, - [ 0x7b ] = KEY_SHUFFLE, /* SNAPSHOT */ - [ 0x22 ] = KEY_RECORD, - [ 0x62 ] = KEY_STOP, - [ 0x78 ] = KEY_PLAY, - [ 0x39 ] = KEY_REWIND, - [ 0x59 ] = KEY_PAUSE, - [ 0x19 ] = KEY_FORWARD, - [ 0x09 ] = KEY_ZOOM, - - [ 0x52 ] = KEY_F21, /* LIVE TIMESHIFT */ - [ 0x1a ] = KEY_F22, /* MIN TIMESHIFT */ - [ 0x3a ] = KEY_F23, /* TIMESHIFT */ - [ 0x70 ] = KEY_F24, /* NORMAL TIMESHIFT */ + [ 0x11 ] = KEY_POWER, + [ 0x35 ] = KEY_TV, + [ 0x1b ] = KEY_0, + [ 0x29 ] = KEY_1, + [ 0x19 ] = KEY_2, + [ 0x39 ] = KEY_3, + [ 0x1f ] = KEY_4, + [ 0x2c ] = KEY_5, + [ 0x21 ] = KEY_6, + [ 0x24 ] = KEY_7, + [ 0x18 ] = KEY_8, + [ 0x2b ] = KEY_9, + [ 0x3b ] = KEY_AGAIN, /* LOOP */ + [ 0x06 ] = KEY_AUDIO, + [ 0x31 ] = KEY_PRINT, /* PREVIEW */ + [ 0x3e ] = KEY_VIDEO, + [ 0x10 ] = KEY_CHANNELUP, + [ 0x20 ] = KEY_CHANNELDOWN, + [ 0x0c ] = KEY_VOLUMEDOWN, + [ 0x28 ] = KEY_VOLUMEUP, + [ 0x08 ] = KEY_MUTE, + [ 0x26 ] = KEY_SEARCH, /*SCAN*/ + [ 0x3f ] = KEY_SHUFFLE, /* SNAPSHOT */ + [ 0x12 ] = KEY_RECORD, + [ 0x32 ] = KEY_STOP, + [ 0x3c ] = KEY_PLAY, + [ 0x1d ] = KEY_REWIND, + [ 0x2d ] = KEY_PAUSE, + [ 0x0d ] = KEY_FORWARD, + [ 0x05 ] = KEY_ZOOM, /*FULL*/ + + [ 0x2a ] = KEY_F21, /* LIVE TIMESHIFT */ + [ 0x0e ] = KEY_F22, /* MIN TIMESHIFT */ + [ 0x1e ] = KEY_F23, /* TIMESHIFT */ + [ 0x38 ] = KEY_F24, /* NORMAL TIMESHIFT */ }; EXPORT_SYMBOL_GPL(ir_codes_gotview7135); diff --git a/drivers/media/common/saa7146_core.c b/drivers/media/common/saa7146_core.c index 365a221..2b1f8b4 100644 --- a/drivers/media/common/saa7146_core.c +++ b/drivers/media/common/saa7146_core.c @@ -112,12 +112,13 @@ static struct scatterlist* vmalloc_to_sg(unsigned char *virt, int nr_pages) sglist = kcalloc(nr_pages, sizeof(struct scatterlist), GFP_KERNEL); if (NULL == sglist) return NULL; + sg_init_table(sglist, nr_pages); for (i = 0; i < nr_pages; i++, virt += PAGE_SIZE) { pg = vmalloc_to_page(virt); if (NULL == pg) goto err; BUG_ON(PageHighMem(pg)); - sglist[i].page = pg; + sg_set_page(&sglist[i], pg); sglist[i].length = PAGE_SIZE; } return sglist; diff --git a/drivers/media/dvb/cinergyT2/cinergyT2.c b/drivers/media/dvb/cinergyT2/cinergyT2.c index a05e5c1..db08b0a 100644 --- a/drivers/media/dvb/cinergyT2/cinergyT2.c +++ b/drivers/media/dvb/cinergyT2/cinergyT2.c @@ -345,7 +345,9 @@ static int cinergyt2_start_feed(struct dvb_demux_feed *dvbdmxfeed) struct dvb_demux *demux = dvbdmxfeed->demux; struct cinergyt2 *cinergyt2 = demux->priv; - if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem)) + if (cinergyt2->disconnect_pending) + return -EAGAIN; + if (mutex_lock_interruptible(&cinergyt2->sem)) return -ERESTARTSYS; if (cinergyt2->streaming == 0) @@ -361,7 +363,9 @@ static int cinergyt2_stop_feed(struct dvb_demux_feed *dvbdmxfeed) struct dvb_demux *demux = dvbdmxfeed->demux; struct cinergyt2 *cinergyt2 = demux->priv; - if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem)) + if (cinergyt2->disconnect_pending) + return -EAGAIN; + if (mutex_lock_interruptible(&cinergyt2->sem)) return -ERESTARTSYS; if (--cinergyt2->streaming == 0) @@ -481,12 +485,16 @@ static int cinergyt2_open (struct inode *inode, struct file *file) { struct dvb_device *dvbdev = file->private_data; struct cinergyt2 *cinergyt2 = dvbdev->priv; - int err = -ERESTARTSYS; + int err = -EAGAIN; - if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->wq_sem)) + if (cinergyt2->disconnect_pending) + goto out; + err = mutex_lock_interruptible(&cinergyt2->wq_sem); + if (err) goto out; - if (mutex_lock_interruptible(&cinergyt2->sem)) + err = mutex_lock_interruptible(&cinergyt2->sem); + if (err) goto out_unlock1; if ((err = dvb_generic_open(inode, file))) @@ -550,7 +558,9 @@ static unsigned int cinergyt2_poll (struct file *file, struct poll_table_struct struct cinergyt2 *cinergyt2 = dvbdev->priv; unsigned int mask = 0; - if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem)) + if (cinergyt2->disconnect_pending) + return -EAGAIN; + if (mutex_lock_interruptible(&cinergyt2->sem)) return -ERESTARTSYS; poll_wait(file, &cinergyt2->poll_wq, wait); @@ -625,7 +635,9 @@ static int cinergyt2_ioctl (struct inode *inode, struct file *file, if (copy_from_user(&p, (void __user*) arg, sizeof(p))) return -EFAULT; - if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem)) + if (cinergyt2->disconnect_pending) + return -EAGAIN; + if (mutex_lock_interruptible(&cinergyt2->sem)) return -ERESTARTSYS; param->cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS; @@ -996,7 +1008,9 @@ static int cinergyt2_suspend (struct usb_interface *intf, pm_message_t state) { struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf); - if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->wq_sem)) + if (cinergyt2->disconnect_pending) + return -EAGAIN; + if (mutex_lock_interruptible(&cinergyt2->wq_sem)) return -ERESTARTSYS; cinergyt2_suspend_rc(cinergyt2); @@ -1017,16 +1031,18 @@ static int cinergyt2_resume (struct usb_interface *intf) { struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf); struct dvbt_set_parameters_msg *param = &cinergyt2->param; - int err = -ERESTARTSYS; + int err = -EAGAIN; - if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->wq_sem)) + if (cinergyt2->disconnect_pending) + goto out; + err = mutex_lock_interruptible(&cinergyt2->wq_sem); + if (err) goto out; - if (mutex_lock_interruptible(&cinergyt2->sem)) + err = mutex_lock_interruptible(&cinergyt2->sem); + if (err) goto out_unlock1; - err = 0; - if (!cinergyt2->sleeping) { cinergyt2_sleep(cinergyt2, 0); cinergyt2_command(cinergyt2, (char *) param, sizeof(*param), NULL, 0); diff --git a/drivers/media/dvb/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb/dvb-core/dvb_ca_en50221.c index 084a508..89437fd 100644 --- a/drivers/media/dvb/dvb-core/dvb_ca_en50221.c +++ b/drivers/media/dvb/dvb-core/dvb_ca_en50221.c @@ -972,7 +972,7 @@ static int dvb_ca_en50221_thread(void *data) /* main loop */ while (!kthread_should_stop()) { /* sleep for a bit */ - while (!ca->wakeup) { + if (!ca->wakeup) { set_current_state(TASK_INTERRUPTIBLE); schedule_timeout(ca->delay); if (kthread_should_stop()) diff --git a/drivers/media/dvb/dvb-usb/dib0700_devices.c b/drivers/media/dvb/dvb-usb/dib0700_devices.c index e8c4a86..58452b5 100644 --- a/drivers/media/dvb/dvb-usb/dib0700_devices.c +++ b/drivers/media/dvb/dvb-usb/dib0700_devices.c @@ -828,7 +828,7 @@ MODULE_DEVICE_TABLE(usb, dib0700_usb_id_table); #define DIB0700_DEFAULT_DEVICE_PROPERTIES \ .caps = DVB_USB_IS_AN_I2C_ADAPTER, \ .usb_ctrl = DEVICE_SPECIFIC, \ - .firmware = "dvb-usb-dib0700-03-pre1.fw", \ + .firmware = "dvb-usb-dib0700-1.10.fw", \ .download_firmware = dib0700_download_firmware, \ .no_reconnect = 1, \ .size_of_priv = sizeof(struct dib0700_state), \ diff --git a/drivers/media/radio/miropcm20-radio.c b/drivers/media/radio/miropcm20-radio.c index c7c9d1d..3ae56fe 100644 --- a/drivers/media/radio/miropcm20-radio.c +++ b/drivers/media/radio/miropcm20-radio.c @@ -229,7 +229,6 @@ static struct video_device pcm20_radio = { .owner = THIS_MODULE, .name = "Miro PCM 20 radio", .type = VID_TYPE_TUNER, - .hardware = VID_HARDWARE_RTRACK, .fops = &pcm20_fops, .priv = &pcm20_unit }; diff --git a/drivers/media/radio/radio-gemtek.c b/drivers/media/radio/radio-gemtek.c index 0c963db..5e4b9dd 100644 --- a/drivers/media/radio/radio-gemtek.c +++ b/drivers/media/radio/radio-gemtek.c @@ -554,7 +554,6 @@ static struct video_device gemtek_radio = { .owner = THIS_MODULE, .name = "GemTek Radio card", .type = VID_TYPE_TUNER, - .hardware = VID_HARDWARE_GEMTEK, .fops = &gemtek_fops, .vidioc_querycap = vidioc_querycap, .vidioc_g_tuner = vidioc_g_tuner, diff --git a/drivers/media/video/arv.c b/drivers/media/video/arv.c index 19e9929..c94a4d0 100644 --- a/drivers/media/video/arv.c +++ b/drivers/media/video/arv.c @@ -755,7 +755,6 @@ static struct video_device ar_template = { .owner = THIS_MODULE, .name = "Colour AR VGA", .type = VID_TYPE_CAPTURE, - .hardware = VID_HARDWARE_ARV, .fops = &ar_fops, .release = ar_release, .minor = -1, diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c index 7a332b3..9feeb63 100644 --- a/drivers/media/video/bt8xx/bttv-driver.c +++ b/drivers/media/video/bt8xx/bttv-driver.c @@ -3877,7 +3877,6 @@ static struct video_device bttv_video_template = .name = "UNSET", .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER| VID_TYPE_CLIPPING|VID_TYPE_SCALES, - .hardware = VID_HARDWARE_BT848, .fops = &bttv_fops, .minor = -1, }; @@ -3886,7 +3885,6 @@ static struct video_device bttv_vbi_template = { .name = "bt848/878 vbi", .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT, - .hardware = VID_HARDWARE_BT848, .fops = &bttv_fops, .minor = -1, }; @@ -4034,7 +4032,6 @@ static struct video_device radio_template = { .name = "bt848/878 radio", .type = VID_TYPE_TUNER, - .hardware = VID_HARDWARE_BT848, .fops = &radio_fops, .minor = -1, }; diff --git a/drivers/media/video/bw-qcam.c b/drivers/media/video/bw-qcam.c index 7f7e3d3..5842352 100644 --- a/drivers/media/video/bw-qcam.c +++ b/drivers/media/video/bw-qcam.c @@ -899,7 +899,6 @@ static struct video_device qcam_template= .owner = THIS_MODULE, .name = "Connectix Quickcam", .type = VID_TYPE_CAPTURE, - .hardware = VID_HARDWARE_QCAM_BW, .fops = &qcam_fops, }; diff --git a/drivers/media/video/c-qcam.c b/drivers/media/video/c-qcam.c index f76c6a6..cf1546b 100644 --- a/drivers/media/video/c-qcam.c +++ b/drivers/media/video/c-qcam.c @@ -699,7 +699,6 @@ static struct video_device qcam_template= .owner = THIS_MODULE, .name = "Colour QuickCam", .type = VID_TYPE_CAPTURE, - .hardware = VID_HARDWARE_QCAM_C, .fops = &qcam_fops, }; diff --git a/drivers/media/video/cpia.c b/drivers/media/video/cpia.c index a1d02e5..7c630f5 100644 --- a/drivers/media/video/cpia.c +++ b/drivers/media/video/cpia.c @@ -65,10 +65,6 @@ MODULE_PARM_DESC(colorspace_conv, #define ABOUT "V4L-Driver for Vision CPiA based cameras" -#ifndef VID_HARDWARE_CPIA -#define VID_HARDWARE_CPIA 24 /* FIXME -> from linux/videodev.h */ -#endif - #define CPIA_MODULE_CPIA (0<<5) #define CPIA_MODULE_SYSTEM (1<<5) #define CPIA_MODULE_VP_CTRL (5<<5) @@ -3804,7 +3800,6 @@ static struct video_device cpia_template = { .owner = THIS_MODULE, .name = "CPiA Camera", .type = VID_TYPE_CAPTURE, - .hardware = VID_HARDWARE_CPIA, .fops = &cpia_fops, }; diff --git a/drivers/media/video/cpia2/cpia2_v4l.c b/drivers/media/video/cpia2/cpia2_v4l.c index e3aaba1..e378abe 100644 --- a/drivers/media/video/cpia2/cpia2_v4l.c +++ b/drivers/media/video/cpia2/cpia2_v4l.c @@ -86,10 +86,6 @@ MODULE_LICENSE("GPL"); #define ABOUT "V4L-Driver for Vision CPiA2 based cameras" -#ifndef VID_HARDWARE_CPIA2 -#error "VID_HARDWARE_CPIA2 should have been defined in linux/videodev.h" -#endif - struct control_menu_info { int value; char name[32]; @@ -1942,7 +1938,6 @@ static struct video_device cpia2_template = { .type= VID_TYPE_CAPTURE, .type2 = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING, - .hardware= VID_HARDWARE_CPIA2, .minor= -1, .fops= &fops_template, .release= video_device_release, diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c index af16505..3cdd136 100644 --- a/drivers/media/video/cx23885/cx23885-core.c +++ b/drivers/media/video/cx23885/cx23885-core.c @@ -793,7 +793,7 @@ static int cx23885_dev_setup(struct cx23885_dev *dev) dev->pci->subsystem_device); cx23885_devcount--; - goto fail_free; + return -ENODEV; } /* PCIe stuff */ @@ -835,10 +835,6 @@ static int cx23885_dev_setup(struct cx23885_dev *dev) } return 0; - -fail_free: - kfree(dev); - return -ENODEV; } void cx23885_dev_unregister(struct cx23885_dev *dev) diff --git a/drivers/media/video/cx88/cx88-alsa.c b/drivers/media/video/cx88/cx88-alsa.c index 141dadf..40ffd7a 100644 --- a/drivers/media/video/cx88/cx88-alsa.c +++ b/drivers/media/video/cx88/cx88-alsa.c @@ -39,6 +39,7 @@ #include <sound/pcm_params.h> #include <sound/control.h> #include <sound/initval.h> +#include <sound/tlv.h> #include "cx88.h" #include "cx88-reg.h" @@ -82,6 +83,7 @@ typedef struct cx88_audio_dev snd_cx88_card_t; + /**************************************************************************** Module global static vars ****************************************************************************/ @@ -545,8 +547,8 @@ static int __devinit snd_cx88_pcm(snd_cx88_card_t *chip, int device, char *name) /**************************************************************************** CONTROL INTERFACE ****************************************************************************/ -static int snd_cx88_capture_volume_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *info) +static int snd_cx88_volume_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *info) { info->type = SNDRV_CTL_ELEM_TYPE_INTEGER; info->count = 2; @@ -556,9 +558,8 @@ static int snd_cx88_capture_volume_info(struct snd_kcontrol *kcontrol, return 0; } -/* OK - TODO: test it */ -static int snd_cx88_capture_volume_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *value) +static int snd_cx88_volume_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *value) { snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); struct cx88_core *core=chip->core; @@ -573,8 +574,8 @@ static int snd_cx88_capture_volume_get(struct snd_kcontrol *kcontrol, } /* OK - TODO: test it */ -static int snd_cx88_capture_volume_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *value) +static int snd_cx88_volume_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *value) { snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); struct cx88_core *core=chip->core; @@ -605,14 +606,67 @@ static int snd_cx88_capture_volume_put(struct snd_kcontrol *kcontrol, return changed; } -static struct snd_kcontrol_new snd_cx88_capture_volume = { +static const DECLARE_TLV_DB_SCALE(snd_cx88_db_scale, -6300, 100, 0); + +static struct snd_kcontrol_new snd_cx88_volume = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ, + .name = "Playback Volume", + .info = snd_cx88_volume_info, + .get = snd_cx88_volume_get, + .put = snd_cx88_volume_put, + .tlv.p = snd_cx88_db_scale, +}; + +static int snd_cx88_switch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *value) +{ + snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); + struct cx88_core *core = chip->core; + u32 bit = kcontrol->private_value; + + value->value.integer.value[0] = !(cx_read(AUD_VOL_CTL) & bit); + return 0; +} + +static int snd_cx88_switch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *value) +{ + snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); + struct cx88_core *core = chip->core; + u32 bit = kcontrol->private_value; + int ret = 0; + u32 vol; + + spin_lock_irq(&chip->reg_lock); + vol = cx_read(AUD_VOL_CTL); + if (value->value.integer.value[0] != !(vol & bit)) { + vol ^= bit; + cx_write(AUD_VOL_CTL, vol); + ret = 1; + } + spin_unlock_irq(&chip->reg_lock); + return ret; +} + +static struct snd_kcontrol_new snd_cx88_dac_switch = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Capture Volume", - .info = snd_cx88_capture_volume_info, - .get = snd_cx88_capture_volume_get, - .put = snd_cx88_capture_volume_put, + .name = "Playback Switch", + .info = snd_ctl_boolean_mono_info, + .get = snd_cx88_switch_get, + .put = snd_cx88_switch_put, + .private_value = (1<<8), }; +static struct snd_kcontrol_new snd_cx88_source_switch = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Capture Switch", + .info = snd_ctl_boolean_mono_info, + .get = snd_cx88_switch_get, + .put = snd_cx88_switch_put, + .private_value = (1<<6), +}; /**************************************************************************** Basic Flow for Sound Devices @@ -762,7 +816,13 @@ static int __devinit cx88_audio_initdev(struct pci_dev *pci, if (err < 0) goto error; - err = snd_ctl_add(card, snd_ctl_new1(&snd_cx88_capture_volume, chip)); + err = snd_ctl_add(card, snd_ctl_new1(&snd_cx88_volume, chip)); + if (err < 0) + goto error; + err = snd_ctl_add(card, snd_ctl_new1(&snd_cx88_dac_switch, chip)); + if (err < 0) + goto error; + err = snd_ctl_add(card, snd_ctl_new1(&snd_cx88_source_switch, chip)); if (err < 0) goto error; diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c index 6d6f504..f33f0b4 100644 --- a/drivers/media/video/cx88/cx88-blackbird.c +++ b/drivers/media/video/cx88/cx88-blackbird.c @@ -527,44 +527,6 @@ static void blackbird_codec_settings(struct cx8802_dev *dev) cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params); } -static struct v4l2_mpeg_compression default_mpeg_params = { - .st_type = V4L2_MPEG_PS_2, - .st_bitrate = { - .mode = V4L2_BITRATE_CBR, - .min = 0, - .target = 0, - .max = 0 - }, - .ts_pid_pmt = 16, - .ts_pid_audio = 260, - .ts_pid_video = 256, - .ts_pid_pcr = 259, - .ps_size = 0, - .au_type = V4L2_MPEG_AU_2_II, - .au_bitrate = { - .mode = V4L2_BITRATE_CBR, - .min = 224, - .target = 224, - .max = 224 - }, - .au_sample_rate = 48000, - .au_pesid = 0, - .vi_type = V4L2_MPEG_VI_2, - .vi_aspect_ratio = V4L2_MPEG_ASPECT_4_3, - .vi_bitrate = { - .mode = V4L2_BITRATE_CBR, - .min = 4000, - .target = 4500, - .max = 6000 - }, - .vi_frame_rate = 25, - .vi_frames_per_gop = 12, - .vi_bframes_count = 2, - .vi_pesid = 0, - .closed_gops = 1, - .pulldown = 0 -}; - static int blackbird_initialize_codec(struct cx8802_dev *dev) { struct cx88_core *core = dev->core; @@ -852,23 +814,6 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) return videobuf_streamoff(&fh->mpegq); } -static int vidioc_g_mpegcomp (struct file *file, void *fh, - struct v4l2_mpeg_compression *f) -{ - printk(KERN_WARNING "VIDIOC_G_MPEGCOMP is obsolete. " - "Replace with VIDIOC_G_EXT_CTRLS!"); - memcpy(f,&default_mpeg_params,sizeof(*f)); - return 0; -} - -static int vidioc_s_mpegcomp (struct file *file, void *fh, - struct v4l2_mpeg_compression *f) -{ - printk(KERN_WARNING "VIDIOC_S_MPEGCOMP is obsolete. " - "Replace with VIDIOC_S_EXT_CTRLS!"); - return 0; -} - static int vidioc_g_ext_ctrls (struct file *file, void *priv, struct v4l2_ext_controls *f) { @@ -1216,8 +1161,6 @@ static struct video_device cx8802_mpeg_template = .vidioc_dqbuf = vidioc_dqbuf, .vidioc_streamon = vidioc_streamon, .vidioc_streamoff = vidioc_streamoff, - .vidioc_g_mpegcomp = vidioc_g_mpegcomp, - .vidioc_s_mpegcomp = vidioc_s_mpegcomp, .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls, .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls, .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls, diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index d16e5c6..fce19ca 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -475,8 +475,9 @@ static int dvb_register(struct cx8802_dev *dev) break; case CX88_BOARD_DNTV_LIVE_DVB_T_PRO: #if defined(CONFIG_VIDEO_CX88_VP3054) || (defined(CONFIG_VIDEO_CX88_VP3054_MODULE) && defined(MODULE)) + /* MT352 is on a secondary I2C bus made from some GPIO lines */ dev->dvb.frontend = dvb_attach(mt352_attach, &dntv_live_dvbt_pro_config, - &((struct vp3054_i2c_state *)dev->card_priv)->adap); + &dev->vp3054->adap); if (dev->dvb.frontend != NULL) { dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61, &dev->core->i2c_adap, DVB_PLL_FMD1216ME); diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c index a652f29..448c673 100644 --- a/drivers/media/video/cx88/cx88-mpeg.c +++ b/drivers/media/video/cx88/cx88-mpeg.c @@ -79,7 +79,8 @@ static int cx8802_start_dma(struct cx8802_dev *dev, { struct cx88_core *core = dev->core; - dprintk(1, "cx8802_start_dma w: %d, h: %d, f: %d\n", dev->width, dev->height, buf->vb.field); + dprintk(1, "cx8802_start_dma w: %d, h: %d, f: %d\n", + buf->vb.width, buf->vb.height, buf->vb.field); /* setup fifo + format */ cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH28], @@ -177,7 +178,6 @@ static int cx8802_restart_queue(struct cx8802_dev *dev, struct cx88_dmaqueue *q) { struct cx88_buffer *buf; - struct list_head *item; dprintk( 1, "cx8802_restart_queue\n" ); if (list_empty(&q->active)) @@ -223,10 +223,8 @@ static int cx8802_restart_queue(struct cx8802_dev *dev, dprintk(2,"restart_queue [%p/%d]: restart dma\n", buf, buf->vb.i); cx8802_start_dma(dev, q, buf); - list_for_each(item,&q->active) { - buf = list_entry(item, struct cx88_buffer, vb.queue); + list_for_each_entry(buf, &q->active, vb.queue) buf->count = q->count++; - } mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); return 0; } @@ -572,42 +570,29 @@ int cx8802_resume_common(struct pci_dev *pci_dev) return 0; } +#if defined(CONFIG_VIDEO_CX88_BLACKBIRD) || \ + defined(CONFIG_VIDEO_CX88_BLACKBIRD_MODULE) struct cx8802_dev * cx8802_get_device(struct inode *inode) { int minor = iminor(inode); - struct cx8802_dev *h = NULL; - struct list_head *list; + struct cx8802_dev *dev; - list_for_each(list,&cx8802_devlist) { - h = list_entry(list, struct cx8802_dev, devlist); - if (h->mpeg_dev && h->mpeg_dev->minor == minor) - return h; - } + list_for_each_entry(dev, &cx8802_devlist, devlist) + if (dev->mpeg_dev && dev->mpeg_dev->minor == minor) + return dev; return NULL; } +EXPORT_SYMBOL(cx8802_get_device); +#endif struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype) { - struct cx8802_dev *h = NULL; - struct cx8802_driver *d = NULL; - struct list_head *list; - struct list_head *list2; - - list_for_each(list,&cx8802_devlist) { - h = list_entry(list, struct cx8802_dev, devlist); - if (h != dev) - continue; - - list_for_each(list2, &h->drvlist.devlist) { - d = list_entry(list2, struct cx8802_driver, devlist); + struct cx8802_driver *d; - /* only unregister the correct driver type */ - if (d->type_id == btype) { - return d; - } - } - } + list_for_each_entry(d, &dev->drvlist, drvlist) + if (d->type_id == btype) + return d; return NULL; } @@ -671,10 +656,9 @@ static int cx8802_check_driver(struct cx8802_driver *drv) int cx8802_register_driver(struct cx8802_driver *drv) { - struct cx8802_dev *h; + struct cx8802_dev *dev; struct cx8802_driver *driver; - struct list_head *list; - int err = 0, i = 0; + int err, i = 0; printk(KERN_INFO "cx88/2: registering cx8802 driver, type: %s access: %s\n", @@ -686,14 +670,12 @@ int cx8802_register_driver(struct cx8802_driver *drv) return err; } - list_for_each(list,&cx8802_devlist) { - h = list_entry(list, struct cx8802_dev, devlist); - + list_for_each_entry(dev, &cx8802_devlist, devlist) { printk(KERN_INFO "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n", - h->core->name, h->pci->subsystem_vendor, - h->pci->subsystem_device, h->core->board.name, - h->core->boardnr); + dev->core->name, dev->pci->subsystem_vendor, + dev->pci->subsystem_device, dev->core->board.name, + dev->core->boardnr); /* Bring up a new struct for each driver instance */ driver = kzalloc(sizeof(*drv),GFP_KERNEL); @@ -701,7 +683,7 @@ int cx8802_register_driver(struct cx8802_driver *drv) return -ENOMEM; /* Snapshot of the driver registration data */ - drv->core = h->core; + drv->core = dev->core; drv->suspend = cx8802_suspend_common; drv->resume = cx8802_resume_common; drv->request_acquire = cx8802_request_acquire; @@ -712,49 +694,38 @@ int cx8802_register_driver(struct cx8802_driver *drv) if (err == 0) { i++; mutex_lock(&drv->core->lock); - list_add_tail(&driver->devlist,&h->drvlist.devlist); + list_add_tail(&driver->drvlist, &dev->drvlist); mutex_unlock(&drv->core->lock); } else { printk(KERN_ERR "%s/2: cx8802 probe failed, err = %d\n", - h->core->name, err); + dev->core->name, err); } } - if (i == 0) - err = -ENODEV; - else - err = 0; - return err; + return i ? 0 : -ENODEV; } int cx8802_unregister_driver(struct cx8802_driver *drv) { - struct cx8802_dev *h; - struct cx8802_driver *d; - struct list_head *list; - struct list_head *list2, *q; - int err = 0, i = 0; + struct cx8802_dev *dev; + struct cx8802_driver *d, *dtmp; + int err = 0; printk(KERN_INFO "cx88/2: unregistering cx8802 driver, type: %s access: %s\n", drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird", drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive"); - list_for_each(list,&cx8802_devlist) { - i++; - h = list_entry(list, struct cx8802_dev, devlist); - + list_for_each_entry(dev, &cx8802_devlist, devlist) { printk(KERN_INFO "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n", - h->core->name, h->pci->subsystem_vendor, - h->pci->subsystem_device, h->core->board.name, - h->core->boardnr); - - list_for_each_safe(list2, q, &h->drvlist.devlist) { - d = list_entry(list2, struct cx8802_driver, devlist); + dev->core->name, dev->pci->subsystem_vendor, + dev->pci->subsystem_device, dev->core->board.name, + dev->core->boardnr); + list_for_each_entry_safe(d, dtmp, &dev->drvlist, drvlist) { /* only unregister the correct driver type */ if (d->type_id != drv->type_id) continue; @@ -762,12 +733,12 @@ int cx8802_unregister_driver(struct cx8802_driver *drv) err = d->remove(d); if (err == 0) { mutex_lock(&drv->core->lock); - list_del(list2); + list_del(&d->drvlist); mutex_unlock(&drv->core->lock); + kfree(d); } else printk(KERN_ERR "%s/2: cx8802 driver remove " - "failed (%d)\n", h->core->name, err); - + "failed (%d)\n", dev->core->name, err); } } @@ -805,7 +776,7 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev, if (err != 0) goto fail_free; - INIT_LIST_HEAD(&dev->drvlist.devlist); + INIT_LIST_HEAD(&dev->drvlist); list_add_tail(&dev->devlist,&cx8802_devlist); /* Maintain a reference so cx88-video can query the 8802 device. */ @@ -825,23 +796,30 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev, static void __devexit cx8802_remove(struct pci_dev *pci_dev) { struct cx8802_dev *dev; - struct cx8802_driver *h; - struct list_head *list; dev = pci_get_drvdata(pci_dev); dprintk( 1, "%s\n", __FUNCTION__); - list_for_each(list,&dev->drvlist.devlist) { - h = list_entry(list, struct cx8802_driver, devlist); - dprintk( 1, " ->driver\n"); - if (h->remove == NULL) { - printk(KERN_ERR "%s .. skipping driver, no probe function\n", __FUNCTION__); - continue; + if (!list_empty(&dev->drvlist)) { + struct cx8802_driver *drv, *tmp; + int err; + + printk(KERN_WARNING "%s/2: Trying to remove cx8802 driver " + "while cx8802 sub-drivers still loaded?!\n", + dev->core->name); + + list_for_each_entry_safe(drv, tmp, &dev->drvlist, drvlist) { + err = drv->remove(drv); + if (err == 0) { + mutex_lock(&drv->core->lock); + list_del(&drv->drvlist); + mutex_unlock(&drv->core->lock); + } else + printk(KERN_ERR "%s/2: cx8802 driver remove " + "failed (%d)\n", dev->core->name, err); + kfree(drv); } - printk(KERN_INFO "%s .. Removing driver type %d\n", __FUNCTION__, h->type_id); - cx8802_unregister_driver(h); - list_del(&dev->drvlist.devlist); } /* Destroy any 8802 reference. */ @@ -901,7 +879,6 @@ EXPORT_SYMBOL(cx8802_fini_common); EXPORT_SYMBOL(cx8802_register_driver); EXPORT_SYMBOL(cx8802_unregister_driver); -EXPORT_SYMBOL(cx8802_get_device); EXPORT_SYMBOL(cx8802_get_driver); /* ----------------------------------------------------------- */ /* diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c index 231ae6c..5ee05f8 100644 --- a/drivers/media/video/cx88/cx88-video.c +++ b/drivers/media/video/cx88/cx88-video.c @@ -1675,7 +1675,6 @@ static struct video_device cx8800_radio_template = { .name = "cx8800-radio", .type = VID_TYPE_TUNER, - .hardware = 0, .fops = &radio_fops, .minor = -1, .vidioc_querycap = radio_querycap, diff --git a/drivers/media/video/cx88/cx88-vp3054-i2c.c b/drivers/media/video/cx88/cx88-vp3054-i2c.c index 77c3788..6ce5af4 100644 --- a/drivers/media/video/cx88/cx88-vp3054-i2c.c +++ b/drivers/media/video/cx88/cx88-vp3054-i2c.c @@ -41,7 +41,7 @@ static void vp3054_bit_setscl(void *data, int state) { struct cx8802_dev *dev = data; struct cx88_core *core = dev->core; - struct vp3054_i2c_state *vp3054_i2c = dev->card_priv; + struct vp3054_i2c_state *vp3054_i2c = dev->vp3054; if (state) { vp3054_i2c->state |= 0x0001; /* SCL high */ @@ -58,7 +58,7 @@ static void vp3054_bit_setsda(void *data, int state) { struct cx8802_dev *dev = data; struct cx88_core *core = dev->core; - struct vp3054_i2c_state *vp3054_i2c = dev->card_priv; + struct vp3054_i2c_state *vp3054_i2c = dev->vp3054; if (state) { vp3054_i2c->state |= 0x0002; /* SDA high */ @@ -113,10 +113,10 @@ int vp3054_i2c_probe(struct cx8802_dev *dev) if (core->boardnr != CX88_BOARD_DNTV_LIVE_DVB_T_PRO) return 0; - dev->card_priv = kzalloc(sizeof(*vp3054_i2c), GFP_KERNEL); - if (dev->card_priv == NULL) + vp3054_i2c = kzalloc(sizeof(*vp3054_i2c), GFP_KERNEL); + if (vp3054_i2c == NULL) return -ENOMEM; - vp3054_i2c = dev->card_priv; + dev->vp3054 = vp3054_i2c; memcpy(&vp3054_i2c->algo, &vp3054_i2c_algo_template, sizeof(vp3054_i2c->algo)); @@ -139,8 +139,8 @@ int vp3054_i2c_probe(struct cx8802_dev *dev) if (0 != rc) { printk("%s: vp3054_i2c register FAILED\n", core->name); - kfree(dev->card_priv); - dev->card_priv = NULL; + kfree(dev->vp3054); + dev->vp3054 = NULL; } return rc; @@ -148,7 +148,7 @@ int vp3054_i2c_probe(struct cx8802_dev *dev) void vp3054_i2c_remove(struct cx8802_dev *dev) { - struct vp3054_i2c_state *vp3054_i2c = dev->card_priv; + struct vp3054_i2c_state *vp3054_i2c = dev->vp3054; if (vp3054_i2c == NULL || dev->core->boardnr != CX88_BOARD_DNTV_LIVE_DVB_T_PRO) diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h index 42e0a9b..eb296bd 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h @@ -412,7 +412,9 @@ struct cx8802_suspend_state { struct cx8802_driver { struct cx88_core *core; - struct list_head devlist; + + /* List of drivers attached to device */ + struct list_head drvlist; /* Type of driver and access required */ enum cx88_board_type type_id; @@ -453,27 +455,33 @@ struct cx8802_dev { /* for blackbird only */ struct list_head devlist; +#if defined(CONFIG_VIDEO_CX88_BLACKBIRD) || \ + defined(CONFIG_VIDEO_CX88_BLACKBIRD_MODULE) struct video_device *mpeg_dev; u32 mailbox; int width; int height; + /* mpeg params */ + struct cx2341x_mpeg_params params; +#endif + #if defined(CONFIG_VIDEO_CX88_DVB) || defined(CONFIG_VIDEO_CX88_DVB_MODULE) /* for dvb only */ struct videobuf_dvb dvb; +#endif - void *card_priv; +#if defined(CONFIG_VIDEO_CX88_VP3054) || \ + defined(CONFIG_VIDEO_CX88_VP3054_MODULE) + /* For VP3045 secondary I2C bus support */ + struct vp3054_i2c_state *vp3054; #endif /* for switching modulation types */ unsigned char ts_gen_cntrl; - /* mpeg params */ - struct cx2341x_mpeg_params params; - /* List of attached drivers */ - struct cx8802_driver drvlist; - struct work_struct request_module_wk; - + struct list_head drvlist; + struct work_struct request_module_wk; }; /* ----------------------------------------------------------- */ diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index d3282ec..d56484f 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -648,7 +648,7 @@ void em28xx_uninit_isoc(struct em28xx *dev) */ int em28xx_init_isoc(struct em28xx *dev) { - /* change interface to 3 which allowes the biggest packet sizes */ + /* change interface to 3 which allows the biggest packet sizes */ int i, errCode; const int sb_size = EM28XX_NUM_PACKETS * dev->max_pkt_size; @@ -673,6 +673,7 @@ int em28xx_init_isoc(struct em28xx *dev) ("unable to allocate %i bytes for transfer buffer %i\n", sb_size, i); em28xx_uninit_isoc(dev); + usb_free_urb(urb); return -ENOMEM; } memset(dev->transfer_buffer[i], 0, sb_size); diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index e467682..a4c2a90 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -1617,7 +1617,6 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, /* Fills VBI device info */ dev->vbi_dev->type = VFL_TYPE_VBI; - dev->vbi_dev->hardware = 0; dev->vbi_dev->fops = &em28xx_v4l_fops; dev->vbi_dev->minor = -1; dev->vbi_dev->dev = &dev->udev->dev; @@ -1629,7 +1628,6 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, dev->vdev->type = VID_TYPE_CAPTURE; if (dev->has_tuner) dev->vdev->type |= VID_TYPE_TUNER; - dev->vdev->hardware = 0; dev->vdev->fops = &em28xx_v4l_fops; dev->vdev->minor = -1; dev->vdev->dev = &dev->udev->dev; diff --git a/drivers/media/video/et61x251/et61x251_core.c b/drivers/media/video/et61x251/et61x251_core.c index d5fef4c0..d19d73b 100644 --- a/drivers/media/video/et61x251/et61x251_core.c +++ b/drivers/media/video/et61x251/et61x251_core.c @@ -2585,7 +2585,6 @@ et61x251_usb_probe(struct usb_interface* intf, const struct usb_device_id* id) strcpy(cam->v4ldev->name, "ET61X[12]51 PC Camera"); cam->v4ldev->owner = THIS_MODULE; cam->v4ldev->type = VID_TYPE_CAPTURE | VID_TYPE_SCALES; - cam->v4ldev->hardware = 0; cam->v4ldev->fops = &et61x251_fops; cam->v4ldev->minor = video_nr[dev_nr]; cam->v4ldev->release = video_device_release; diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c index d98dd0d..29779d8 100644 --- a/drivers/media/video/ir-kbd-i2c.c +++ b/drivers/media/video/ir-kbd-i2c.c @@ -528,6 +528,7 @@ static int ir_probe(struct i2c_adapter *adap) break; case I2C_HW_B_CX2388x: probe = probe_cx88; + break; case I2C_HW_B_CX23885: probe = probe_cx23885; break; diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c index fd7a932..6d2dd87 100644 --- a/drivers/media/video/ivtv/ivtv-driver.c +++ b/drivers/media/video/ivtv/ivtv-driver.c @@ -1003,8 +1003,6 @@ static int __devinit ivtv_probe(struct pci_dev *dev, IVTV_DEBUG_INFO("base addr: 0x%08x\n", itv->base_addr); - mutex_lock(&itv->serialize_lock); - /* PCI Device Setup */ if ((retval = ivtv_setup_pci(itv, dev, pci_id)) != 0) { if (retval == -EIO) @@ -1064,7 +1062,7 @@ static int __devinit ivtv_probe(struct pci_dev *dev, IVTV_DEBUG_INFO("activating i2c...\n"); if (init_ivtv_i2c(itv)) { IVTV_ERR("Could not initialize i2c\n"); - goto free_irq; + goto free_io; } IVTV_DEBUG_INFO("Active card count: %d.\n", ivtv_cards_active); @@ -1176,7 +1174,11 @@ static int __devinit ivtv_probe(struct pci_dev *dev, IVTV_ERR("Failed to register irq %d\n", retval); goto free_streams; } - mutex_unlock(&itv->serialize_lock); + retval = ivtv_streams_register(itv); + if (retval) { + IVTV_ERR("Error %d registering devices\n", retval); + goto free_irq; + } IVTV_INFO("Initialized card #%d: %s\n", itv->num, itv->card_name); return 0; @@ -1195,7 +1197,6 @@ static int __devinit ivtv_probe(struct pci_dev *dev, release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE); free_workqueue: destroy_workqueue(itv->irq_work_queues); - mutex_unlock(&itv->serialize_lock); err: if (retval == 0) retval = -ENODEV; diff --git a/drivers/media/video/ivtv/ivtv-fileops.c b/drivers/media/video/ivtv/ivtv-fileops.c index da50fa4..a200a8a 100644 --- a/drivers/media/video/ivtv/ivtv-fileops.c +++ b/drivers/media/video/ivtv/ivtv-fileops.c @@ -822,6 +822,11 @@ int ivtv_v4l2_close(struct inode *inode, struct file *filp) crystal_freq.flags = 0; ivtv_saa7115(itv, VIDIOC_INT_S_CRYSTAL_FREQ, &crystal_freq); } + if (atomic_read(&itv->capturing) > 0) { + /* Undo video mute */ + ivtv_vapi(itv, CX2341X_ENC_MUTE_VIDEO, 1, + itv->params.video_mute | (itv->params.video_mute_yuv << 8)); + } /* Done! Unmute and continue. */ ivtv_unmute(itv); ivtv_release_stream(s); @@ -892,6 +897,7 @@ static int ivtv_serialized_open(struct ivtv_stream *s, struct file *filp) if (atomic_read(&itv->capturing) > 0) { /* switching to radio while capture is in progress is not polite */ + ivtv_release_stream(s); kfree(item); return -EBUSY; } @@ -947,7 +953,7 @@ int ivtv_v4l2_open(struct inode *inode, struct file *filp) if (itv == NULL) { /* Couldn't find a device registered on that minor, shouldn't happen! */ - IVTV_WARN("No ivtv device found on minor %d\n", minor); + printk(KERN_WARNING "No ivtv device found on minor %d\n", minor); return -ENXIO; } diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c index 206eee7..fd6826f 100644 --- a/drivers/media/video/ivtv/ivtv-ioctl.c +++ b/drivers/media/video/ivtv/ivtv-ioctl.c @@ -555,6 +555,7 @@ static int ivtv_try_or_set_fmt(struct ivtv *itv, int streamtype, /* set window size */ if (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { + struct cx2341x_mpeg_params *p = &itv->params; int w = fmt->fmt.pix.width; int h = fmt->fmt.pix.height; @@ -566,17 +567,19 @@ static int ivtv_try_or_set_fmt(struct ivtv *itv, int streamtype, fmt->fmt.pix.width = w; fmt->fmt.pix.height = h; - if (!set_fmt || (itv->params.width == w && itv->params.height == h)) + if (!set_fmt || (p->width == w && p->height == h)) return 0; if (atomic_read(&itv->capturing) > 0) return -EBUSY; - itv->params.width = w; - itv->params.height = h; + p->width = w; + p->height = h; if (w != 720 || h != (itv->is_50hz ? 576 : 480)) - itv->params.video_temporal_filter = 0; + p->video_temporal_filter = 0; else - itv->params.video_temporal_filter = 8; + p->video_temporal_filter = 8; + if (p->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1) + fmt->fmt.pix.width /= 2; itv->video_dec_func(itv, VIDIOC_S_FMT, fmt); return ivtv_get_fmt(itv, streamtype, fmt); } diff --git a/drivers/media/video/ivtv/ivtv-streams.c b/drivers/media/video/ivtv/ivtv-streams.c index fd13598..aa03e61 100644 --- a/drivers/media/video/ivtv/ivtv-streams.c +++ b/drivers/media/video/ivtv/ivtv-streams.c @@ -166,10 +166,9 @@ static void ivtv_stream_init(struct ivtv *itv, int type) ivtv_queue_init(&s->q_io); } -static int ivtv_reg_dev(struct ivtv *itv, int type) +static int ivtv_prep_dev(struct ivtv *itv, int type) { struct ivtv_stream *s = &itv->streams[type]; - int vfl_type = ivtv_stream_info[type].vfl_type; int minor_offset = ivtv_stream_info[type].minor_offset; int minor; @@ -187,15 +186,12 @@ static int ivtv_reg_dev(struct ivtv *itv, int type) if (type >= IVTV_DEC_STREAM_TYPE_MPG && !(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) return 0; - if (minor_offset >= 0) - /* card number + user defined offset + device offset */ - minor = itv->num + ivtv_first_minor + minor_offset; - else - minor = -1; + /* card number + user defined offset + device offset */ + minor = itv->num + ivtv_first_minor + minor_offset; /* User explicitly selected 0 buffers for these streams, so don't create them. */ - if (minor >= 0 && ivtv_stream_info[type].dma != PCI_DMA_NONE && + if (ivtv_stream_info[type].dma != PCI_DMA_NONE && itv->options.kilobytes[type] == 0) { IVTV_INFO("Disabled %s device\n", ivtv_stream_info[type].name); return 0; @@ -223,21 +219,53 @@ static int ivtv_reg_dev(struct ivtv *itv, int type) s->v4l2dev->fops = ivtv_stream_info[type].fops; s->v4l2dev->release = video_device_release; - if (minor >= 0) { - /* Register device. First try the desired minor, then any free one. */ - if (video_register_device(s->v4l2dev, vfl_type, minor) && - video_register_device(s->v4l2dev, vfl_type, -1)) { - IVTV_ERR("Couldn't register v4l2 device for %s minor %d\n", - s->name, minor); - video_device_release(s->v4l2dev); - s->v4l2dev = NULL; - return -ENOMEM; - } + return 0; +} + +/* Initialize v4l2 variables and prepare v4l2 devices */ +int ivtv_streams_setup(struct ivtv *itv) +{ + int type; + + /* Setup V4L2 Devices */ + for (type = 0; type < IVTV_MAX_STREAMS; type++) { + /* Prepare device */ + if (ivtv_prep_dev(itv, type)) + break; + + if (itv->streams[type].v4l2dev == NULL) + continue; + + /* Allocate Stream */ + if (ivtv_stream_alloc(&itv->streams[type])) + break; } - else { - /* Don't register a 'hidden' stream (OSD) */ - IVTV_INFO("Created framebuffer stream for %s\n", s->name); + if (type == IVTV_MAX_STREAMS) return 0; + + /* One or more streams could not be initialized. Clean 'em all up. */ + ivtv_streams_cleanup(itv); + return -ENOMEM; +} + +static int ivtv_reg_dev(struct ivtv *itv, int type) +{ + struct ivtv_stream *s = &itv->streams[type]; + int vfl_type = ivtv_stream_info[type].vfl_type; + int minor; + + if (s->v4l2dev == NULL) + return 0; + + minor = s->v4l2dev->minor; + /* Register device. First try the desired minor, then any free one. */ + if (video_register_device(s->v4l2dev, vfl_type, minor) && + video_register_device(s->v4l2dev, vfl_type, -1)) { + IVTV_ERR("Couldn't register v4l2 device for %s minor %d\n", + s->name, minor); + video_device_release(s->v4l2dev); + s->v4l2dev = NULL; + return -ENOMEM; } switch (vfl_type) { @@ -262,27 +290,18 @@ static int ivtv_reg_dev(struct ivtv *itv, int type) return 0; } -/* Initialize v4l2 variables and register v4l2 devices */ -int ivtv_streams_setup(struct ivtv *itv) +/* Register v4l2 devices */ +int ivtv_streams_register(struct ivtv *itv) { int type; + int err = 0; - /* Setup V4L2 Devices */ - for (type = 0; type < IVTV_MAX_STREAMS; type++) { - /* Register Device */ - if (ivtv_reg_dev(itv, type)) - break; - - if (itv->streams[type].v4l2dev == NULL) - continue; + /* Register V4L2 devices */ + for (type = 0; type < IVTV_MAX_STREAMS; type++) + err |= ivtv_reg_dev(itv, type); - /* Allocate Stream */ - if (ivtv_stream_alloc(&itv->streams[type])) - break; - } - if (type == IVTV_MAX_STREAMS) { + if (err == 0) return 0; - } /* One or more streams could not be initialized. Clean 'em all up. */ ivtv_streams_cleanup(itv); @@ -303,11 +322,8 @@ void ivtv_streams_cleanup(struct ivtv *itv) continue; ivtv_stream_free(&itv->streams[type]); - /* Free Device */ - if (vdev->minor == -1) /* 'Hidden' never registered stream (OSD) */ - video_device_release(vdev); - else /* All others, just unregister. */ - video_unregister_device(vdev); + /* Unregister device */ + video_unregister_device(vdev); } } @@ -425,6 +441,7 @@ int ivtv_start_v4l2_encode_stream(struct ivtv_stream *s) { u32 data[CX2341X_MBOX_MAX_DATA]; struct ivtv *itv = s->itv; + struct cx2341x_mpeg_params *p = &itv->params; int captype = 0, subtype = 0; int enable_passthrough = 0; @@ -445,7 +462,7 @@ int ivtv_start_v4l2_encode_stream(struct ivtv_stream *s) } itv->mpg_data_received = itv->vbi_data_inserted = 0; itv->dualwatch_jiffies = jiffies; - itv->dualwatch_stereo_mode = itv->params.audio_properties & 0x0300; + itv->dualwatch_stereo_mode = p->audio_properties & 0x0300; itv->search_pack_header = 0; break; @@ -477,9 +494,6 @@ int ivtv_start_v4l2_encode_stream(struct ivtv_stream *s) s->subtype = subtype; s->buffers_stolen = 0; - /* mute/unmute video */ - ivtv_vapi(itv, CX2341X_ENC_MUTE_VIDEO, 1, test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ? 1 : 0); - /* Clear Streamoff flags in case left from last capture */ clear_bit(IVTV_F_S_STREAMOFF, &s->s_flags); @@ -536,7 +550,12 @@ int ivtv_start_v4l2_encode_stream(struct ivtv_stream *s) itv->pgm_info_offset, itv->pgm_info_num); /* Setup API for Stream */ - cx2341x_update(itv, ivtv_api_func, NULL, &itv->params); + cx2341x_update(itv, ivtv_api_func, NULL, p); + + /* mute if capturing radio */ + if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) + ivtv_vapi(itv, CX2341X_ENC_MUTE_VIDEO, 1, + 1 | (p->video_mute_yuv << 8)); } /* Vsync Setup */ @@ -585,6 +604,7 @@ static int ivtv_setup_v4l2_decode_stream(struct ivtv_stream *s) { u32 data[CX2341X_MBOX_MAX_DATA]; struct ivtv *itv = s->itv; + struct cx2341x_mpeg_params *p = &itv->params; int datatype; if (s->v4l2dev == NULL) @@ -623,7 +643,7 @@ static int ivtv_setup_v4l2_decode_stream(struct ivtv_stream *s) break; } if (ivtv_vapi(itv, CX2341X_DEC_SET_DECODER_SOURCE, 4, datatype, - itv->params.width, itv->params.height, itv->params.audio_properties)) { + p->width, p->height, p->audio_properties)) { IVTV_DEBUG_WARN("Couldn't initialize decoder source\n"); } return 0; diff --git a/drivers/media/video/ivtv/ivtv-streams.h b/drivers/media/video/ivtv/ivtv-streams.h index 8f5f5b1..3d76a41 100644 --- a/drivers/media/video/ivtv/ivtv-streams.h +++ b/drivers/media/video/ivtv/ivtv-streams.h @@ -22,6 +22,7 @@ #define IVTV_STREAMS_H int ivtv_streams_setup(struct ivtv *itv); +int ivtv_streams_register(struct ivtv *itv); void ivtv_streams_cleanup(struct ivtv *itv); /* Capture related */ diff --git a/drivers/media/video/ivtv/ivtv-udma.c b/drivers/media/video/ivtv/ivtv-udma.c index c4626d1..912b424 100644 --- a/drivers/media/video/ivtv/ivtv-udma.c +++ b/drivers/media/video/ivtv/ivtv-udma.c @@ -63,10 +63,10 @@ int ivtv_udma_fill_sg_list (struct ivtv_user_dma *dma, struct ivtv_dma_page_info memcpy(page_address(dma->bouncemap[map_offset]) + offset, src, len); kunmap_atomic(src, KM_BOUNCE_READ); local_irq_restore(flags); - dma->SGlist[map_offset].page = dma->bouncemap[map_offset]; + sg_set_page(&dma->SGlist[map_offset], dma->bouncemap[map_offset]); } else { - dma->SGlist[map_offset].page = dma->map[map_offset]; + sg_set_page(&dma->SGlist[map_offset], dma->map[map_offset]); } offset = 0; map_offset++; diff --git a/drivers/media/video/ivtv/ivtv-yuv.c b/drivers/media/video/ivtv/ivtv-yuv.c index e2288f2..9091c48 100644 --- a/drivers/media/video/ivtv/ivtv-yuv.c +++ b/drivers/media/video/ivtv/ivtv-yuv.c @@ -710,7 +710,7 @@ static u32 ivtv_yuv_window_setup (struct ivtv *itv, struct yuv_frame_info *windo /* If there's nothing to safe to display, we may as well stop now */ if ((int)window->dst_w <= 2 || (int)window->dst_h <= 2 || (int)window->src_w <= 2 || (int)window->src_h <= 2) { - return 0; + return IVTV_YUV_UPDATE_INVALID; } /* Ensure video remains inside OSD area */ @@ -791,7 +791,7 @@ static u32 ivtv_yuv_window_setup (struct ivtv *itv, struct yuv_frame_info *windo /* Check again. If there's nothing to safe to display, stop now */ if ((int)window->dst_w <= 2 || (int)window->dst_h <= 2 || (int)window->src_w <= 2 || (int)window->src_h <= 2) { - return 0; + return IVTV_YUV_UPDATE_INVALID; } /* Both x offset & width are linked, so they have to be done together */ @@ -840,110 +840,118 @@ void ivtv_yuv_work_handler (struct ivtv *itv) if (!(yuv_update = ivtv_yuv_window_setup (itv, &window))) return; - /* Update horizontal settings */ - if (yuv_update & IVTV_YUV_UPDATE_HORIZONTAL) - ivtv_yuv_handle_horizontal(itv, &window); + if (yuv_update & IVTV_YUV_UPDATE_INVALID) { + write_reg(0x01008080, 0x2898); + } else if (yuv_update) { + write_reg(0x00108080, 0x2898); - if (yuv_update & IVTV_YUV_UPDATE_VERTICAL) - ivtv_yuv_handle_vertical(itv, &window); + if (yuv_update & IVTV_YUV_UPDATE_HORIZONTAL) + ivtv_yuv_handle_horizontal(itv, &window); + + if (yuv_update & IVTV_YUV_UPDATE_VERTICAL) + ivtv_yuv_handle_vertical(itv, &window); + } memcpy(&itv->yuv_info.old_frame_info, &window, sizeof (itv->yuv_info.old_frame_info)); } static void ivtv_yuv_init (struct ivtv *itv) { + struct yuv_playback_info *yi = &itv->yuv_info; + IVTV_DEBUG_YUV("ivtv_yuv_init\n"); /* Take a snapshot of the current register settings */ - itv->yuv_info.reg_2834 = read_reg(0x02834); - itv->yuv_info.reg_2838 = read_reg(0x02838); - itv->yuv_info.reg_283c = read_reg(0x0283c); - itv->yuv_info.reg_2840 = read_reg(0x02840); - itv->yuv_info.reg_2844 = read_reg(0x02844); - itv->yuv_info.reg_2848 = read_reg(0x02848); - itv->yuv_info.reg_2854 = read_reg(0x02854); - itv->yuv_info.reg_285c = read_reg(0x0285c); - itv->yuv_info.reg_2864 = read_reg(0x02864); - itv->yuv_info.reg_2870 = read_reg(0x02870); - itv->yuv_info.reg_2874 = read_reg(0x02874); - itv->yuv_info.reg_2898 = read_reg(0x02898); - itv->yuv_info.reg_2890 = read_reg(0x02890); - - itv->yuv_info.reg_289c = read_reg(0x0289c); - itv->yuv_info.reg_2918 = read_reg(0x02918); - itv->yuv_info.reg_291c = read_reg(0x0291c); - itv->yuv_info.reg_2920 = read_reg(0x02920); - itv->yuv_info.reg_2924 = read_reg(0x02924); - itv->yuv_info.reg_2928 = read_reg(0x02928); - itv->yuv_info.reg_292c = read_reg(0x0292c); - itv->yuv_info.reg_2930 = read_reg(0x02930); - itv->yuv_info.reg_2934 = read_reg(0x02934); - itv->yuv_info.reg_2938 = read_reg(0x02938); - itv->yuv_info.reg_293c = read_reg(0x0293c); - itv->yuv_info.reg_2940 = read_reg(0x02940); - itv->yuv_info.reg_2944 = read_reg(0x02944); - itv->yuv_info.reg_2948 = read_reg(0x02948); - itv->yuv_info.reg_294c = read_reg(0x0294c); - itv->yuv_info.reg_2950 = read_reg(0x02950); - itv->yuv_info.reg_2954 = read_reg(0x02954); - itv->yuv_info.reg_2958 = read_reg(0x02958); - itv->yuv_info.reg_295c = read_reg(0x0295c); - itv->yuv_info.reg_2960 = read_reg(0x02960); - itv->yuv_info.reg_2964 = read_reg(0x02964); - itv->yuv_info.reg_2968 = read_reg(0x02968); - itv->yuv_info.reg_296c = read_reg(0x0296c); - itv->yuv_info.reg_2970 = read_reg(0x02970); - - itv->yuv_info.v_filter_1 = -1; - itv->yuv_info.v_filter_2 = -1; - itv->yuv_info.h_filter = -1; + yi->reg_2834 = read_reg(0x02834); + yi->reg_2838 = read_reg(0x02838); + yi->reg_283c = read_reg(0x0283c); + yi->reg_2840 = read_reg(0x02840); + yi->reg_2844 = read_reg(0x02844); + yi->reg_2848 = read_reg(0x02848); + yi->reg_2854 = read_reg(0x02854); + yi->reg_285c = read_reg(0x0285c); + yi->reg_2864 = read_reg(0x02864); + yi->reg_2870 = read_reg(0x02870); + yi->reg_2874 = read_reg(0x02874); + yi->reg_2898 = read_reg(0x02898); + yi->reg_2890 = read_reg(0x02890); + + yi->reg_289c = read_reg(0x0289c); + yi->reg_2918 = read_reg(0x02918); + yi->reg_291c = read_reg(0x0291c); + yi->reg_2920 = read_reg(0x02920); + yi->reg_2924 = read_reg(0x02924); + yi->reg_2928 = read_reg(0x02928); + yi->reg_292c = read_reg(0x0292c); + yi->reg_2930 = read_reg(0x02930); + yi->reg_2934 = read_reg(0x02934); + yi->reg_2938 = read_reg(0x02938); + yi->reg_293c = read_reg(0x0293c); + yi->reg_2940 = read_reg(0x02940); + yi->reg_2944 = read_reg(0x02944); + yi->reg_2948 = read_reg(0x02948); + yi->reg_294c = read_reg(0x0294c); + yi->reg_2950 = read_reg(0x02950); + yi->reg_2954 = read_reg(0x02954); + yi->reg_2958 = read_reg(0x02958); + yi->reg_295c = read_reg(0x0295c); + yi->reg_2960 = read_reg(0x02960); + yi->reg_2964 = read_reg(0x02964); + yi->reg_2968 = read_reg(0x02968); + yi->reg_296c = read_reg(0x0296c); + yi->reg_2970 = read_reg(0x02970); + + yi->v_filter_1 = -1; + yi->v_filter_2 = -1; + yi->h_filter = -1; /* Set some valid size info */ - itv->yuv_info.osd_x_offset = read_reg(0x02a04) & 0x00000FFF; - itv->yuv_info.osd_y_offset = (read_reg(0x02a04) >> 16) & 0x00000FFF; + yi->osd_x_offset = read_reg(0x02a04) & 0x00000FFF; + yi->osd_y_offset = (read_reg(0x02a04) >> 16) & 0x00000FFF; /* Bit 2 of reg 2878 indicates current decoder output format 0 : NTSC 1 : PAL */ if (read_reg(0x2878) & 4) - itv->yuv_info.decode_height = 576; + yi->decode_height = 576; else - itv->yuv_info.decode_height = 480; + yi->decode_height = 480; - /* If no visible size set, assume full size */ - if (!itv->yuv_info.osd_vis_w) - itv->yuv_info.osd_vis_w = 720 - itv->yuv_info.osd_x_offset; - - if (!itv->yuv_info.osd_vis_h) { - itv->yuv_info.osd_vis_h = itv->yuv_info.decode_height - itv->yuv_info.osd_y_offset; + if (!itv->osd_info) { + yi->osd_vis_w = 720 - yi->osd_x_offset; + yi->osd_vis_h = yi->decode_height - yi->osd_y_offset; } else { - /* If output video standard has changed, requested height may - not be legal */ - if (itv->yuv_info.osd_vis_h + itv->yuv_info.osd_y_offset > itv->yuv_info.decode_height) { - IVTV_DEBUG_WARN("Clipping yuv output - fb size (%d) exceeds video standard limit (%d)\n", - itv->yuv_info.osd_vis_h + itv->yuv_info.osd_y_offset, - itv->yuv_info.decode_height); - itv->yuv_info.osd_vis_h = itv->yuv_info.decode_height - itv->yuv_info.osd_y_offset; + /* If no visible size set, assume full size */ + if (!yi->osd_vis_w) + yi->osd_vis_w = 720 - yi->osd_x_offset; + + if (!yi->osd_vis_h) + yi->osd_vis_h = yi->decode_height - yi->osd_y_offset; + else { + /* If output video standard has changed, requested height may + not be legal */ + if (yi->osd_vis_h + yi->osd_y_offset > yi->decode_height) { + IVTV_DEBUG_WARN("Clipping yuv output - fb size (%d) exceeds video standard limit (%d)\n", + yi->osd_vis_h + yi->osd_y_offset, + yi->decode_height); + yi->osd_vis_h = yi->decode_height - yi->osd_y_offset; + } } } /* We need a buffer for blanking when Y plane is offset - non-fatal if we can't get one */ - itv->yuv_info.blanking_ptr = kzalloc(720*16,GFP_KERNEL); - if (itv->yuv_info.blanking_ptr) { - itv->yuv_info.blanking_dmaptr = pci_map_single(itv->dev, itv->yuv_info.blanking_ptr, 720*16, PCI_DMA_TODEVICE); - } + yi->blanking_ptr = kzalloc(720*16, GFP_KERNEL); + if (yi->blanking_ptr) + yi->blanking_dmaptr = pci_map_single(itv->dev, yi->blanking_ptr, 720*16, PCI_DMA_TODEVICE); else { - itv->yuv_info.blanking_dmaptr = 0; - IVTV_DEBUG_WARN ("Failed to allocate yuv blanking buffer\n"); + yi->blanking_dmaptr = 0; + IVTV_DEBUG_WARN("Failed to allocate yuv blanking buffer\n"); } - IVTV_DEBUG_WARN("Enable video output\n"); - write_reg_sync(0x00108080, 0x2898); - /* Enable YUV decoder output */ write_reg_sync(0x01, IVTV_REG_VDM); set_bit(IVTV_F_I_DECODING_YUV, &itv->i_flags); - atomic_set(&itv->yuv_info.next_dma_frame,0); + atomic_set(&yi->next_dma_frame, 0); } int ivtv_yuv_prep_frame(struct ivtv *itv, struct ivtv_dma_frame *args) diff --git a/drivers/media/video/ivtv/ivtv-yuv.h b/drivers/media/video/ivtv/ivtv-yuv.h index f7215ee..3b966f0 100644 --- a/drivers/media/video/ivtv/ivtv-yuv.h +++ b/drivers/media/video/ivtv/ivtv-yuv.h @@ -34,6 +34,7 @@ #define IVTV_YUV_UPDATE_HORIZONTAL 0x01 #define IVTV_YUV_UPDATE_VERTICAL 0x02 +#define IVTV_YUV_UPDATE_INVALID 0x04 extern const u32 yuv_offset[4]; diff --git a/drivers/media/video/ivtv/ivtvfb.c b/drivers/media/video/ivtv/ivtvfb.c index 9684048..52ffd15 100644 --- a/drivers/media/video/ivtv/ivtvfb.c +++ b/drivers/media/video/ivtv/ivtvfb.c @@ -55,7 +55,6 @@ static int ivtvfb_card_id = -1; static int ivtvfb_debug = 0; static int osd_laced; -static int osd_compat; static int osd_depth; static int osd_upper; static int osd_left; @@ -65,7 +64,6 @@ static int osd_xres; module_param(ivtvfb_card_id, int, 0444); module_param_named(debug,ivtvfb_debug, int, 0644); module_param(osd_laced, bool, 0444); -module_param(osd_compat, bool, 0444); module_param(osd_depth, int, 0444); module_param(osd_upper, int, 0444); module_param(osd_left, int, 0444); @@ -80,12 +78,6 @@ MODULE_PARM_DESC(debug, "Debug level (bitmask). Default: errors only\n" "\t\t\t(debug = 3 gives full debugging)"); -MODULE_PARM_DESC(osd_compat, - "Compatibility mode - Display size is locked (use for old X drivers)\n" - "\t\t\t0=off\n" - "\t\t\t1=on\n" - "\t\t\tdefault off"); - /* Why upper, left, xres, yres, depth, laced ? To match terminology used by fbset. Why start at 1 for left & upper coordinate ? Because X doesn't allow 0 */ @@ -166,9 +158,6 @@ struct osd_info { unsigned long fb_end_aligned_physaddr; #endif - /* Current osd mode */ - int osd_mode; - /* Store the buffer offset */ int set_osd_coords_x; int set_osd_coords_y; @@ -470,13 +459,11 @@ static int ivtvfb_set_var(struct ivtv *itv, struct fb_var_screeninfo *var) IVTVFB_DEBUG_WARN("ivtvfb_set_var - Invalid bpp\n"); } - /* Change osd mode if needed. - Although rare, things can go wrong. The extra mode - change seems to help... */ - if (osd_mode != -1 && osd_mode != oi->osd_mode) { + /* Set video mode. Although rare, the display can become scrambled even + if we don't change mode. Always 'bounce' to osd_mode via mode 0 */ + if (osd_mode != -1) { ivtv_vapi(itv, CX2341X_OSD_SET_PIXEL_FORMAT, 1, 0); ivtv_vapi(itv, CX2341X_OSD_SET_PIXEL_FORMAT, 1, osd_mode); - oi->osd_mode = osd_mode; } oi->bits_per_pixel = var->bits_per_pixel; @@ -579,14 +566,6 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv) osd_height_limit = 480; } - /* Check the bits per pixel */ - if (osd_compat) { - if (var->bits_per_pixel != 32) { - IVTVFB_DEBUG_WARN("Invalid colour mode: %d\n", var->bits_per_pixel); - return -EINVAL; - } - } - if (var->bits_per_pixel == 8 || var->bits_per_pixel == 32) { var->transp.offset = 24; var->transp.length = 8; @@ -638,32 +617,20 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv) } /* Check the resolution */ - if (osd_compat) { - if (var->xres != oi->ivtvfb_defined.xres || - var->yres != oi->ivtvfb_defined.yres || - var->xres_virtual != oi->ivtvfb_defined.xres_virtual || - var->yres_virtual != oi->ivtvfb_defined.yres_virtual) { - IVTVFB_DEBUG_WARN("Invalid resolution: %dx%d (virtual %dx%d)\n", - var->xres, var->yres, var->xres_virtual, var->yres_virtual); - return -EINVAL; - } + if (var->xres > IVTV_OSD_MAX_WIDTH || var->yres > osd_height_limit) { + IVTVFB_DEBUG_WARN("Invalid resolution: %dx%d\n", + var->xres, var->yres); + return -EINVAL; } - else { - if (var->xres > IVTV_OSD_MAX_WIDTH || var->yres > osd_height_limit) { - IVTVFB_DEBUG_WARN("Invalid resolution: %dx%d\n", - var->xres, var->yres); - return -EINVAL; - } - /* Max horizontal size is 1023 @ 32bpp, 2046 & 16bpp, 4092 @ 8bpp */ - if (var->xres_virtual > 4095 / (var->bits_per_pixel / 8) || - var->xres_virtual * var->yres_virtual * (var->bits_per_pixel / 8) > oi->video_buffer_size || - var->xres_virtual < var->xres || - var->yres_virtual < var->yres) { - IVTVFB_DEBUG_WARN("Invalid virtual resolution: %dx%d\n", - var->xres_virtual, var->yres_virtual); - return -EINVAL; - } + /* Max horizontal size is 1023 @ 32bpp, 2046 & 16bpp, 4092 @ 8bpp */ + if (var->xres_virtual > 4095 / (var->bits_per_pixel / 8) || + var->xres_virtual * var->yres_virtual * (var->bits_per_pixel / 8) > oi->video_buffer_size || + var->xres_virtual < var->xres || + var->yres_virtual < var->yres) { + IVTVFB_DEBUG_WARN("Invalid virtual resolution: %dx%d\n", + var->xres_virtual, var->yres_virtual); + return -EINVAL; } /* Some extra checks if in 8 bit mode */ @@ -877,17 +844,15 @@ static int ivtvfb_init_vidmode(struct ivtv *itv) /* Color mode */ - if (osd_compat) osd_depth = 32; - if (osd_depth != 8 && osd_depth != 16 && osd_depth != 32) osd_depth = 8; + if (osd_depth != 8 && osd_depth != 16 && osd_depth != 32) + osd_depth = 8; oi->bits_per_pixel = osd_depth; oi->bytes_per_pixel = oi->bits_per_pixel / 8; - /* Invalidate current osd mode to force a mode switch later */ - oi->osd_mode = -1; - /* Horizontal size & position */ - if (osd_xres > 720) osd_xres = 720; + if (osd_xres > 720) + osd_xres = 720; /* Must be a multiple of 4 for 8bpp & 2 for 16bpp */ if (osd_depth == 8) @@ -895,10 +860,7 @@ static int ivtvfb_init_vidmode(struct ivtv *itv) else if (osd_depth == 16) osd_xres &= ~1; - if (osd_xres) - start_window.width = osd_xres; - else - start_window.width = osd_compat ? 720: 640; + start_window.width = osd_xres ? osd_xres : 640; /* Check horizontal start (osd_left). */ if (osd_left && osd_left + start_window.width > 721) { @@ -921,10 +883,7 @@ static int ivtvfb_init_vidmode(struct ivtv *itv) if (osd_yres > max_height) osd_yres = max_height; - if (osd_yres) - start_window.height = osd_yres; - else - start_window.height = osd_compat ? max_height : (itv->is_50hz ? 480 : 400); + start_window.height = osd_yres ? osd_yres : itv->is_50hz ? 480 : 400; /* Check vertical start (osd_upper). */ if (osd_upper + start_window.height > max_height + 1) { @@ -1127,10 +1086,6 @@ static int ivtvfb_init_card(struct ivtv *itv) /* Enable the osd */ ivtvfb_blank(FB_BLANK_UNBLANK, &itv->osd_info->ivtvfb_info); - /* Note if we're running in compatibility mode */ - if (osd_compat) - IVTVFB_INFO("Running in compatibility mode. Display resize & mode change disabled\n"); - /* Allocate DMA */ ivtv_udma_alloc(itv); return 0; @@ -1177,9 +1132,12 @@ static void ivtvfb_cleanup(void) for (i = 0; i < ivtv_cards_active; i++) { itv = ivtv_cards[i]; if (itv && (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) && itv->osd_info) { + if (unregister_framebuffer(&itv->osd_info->ivtvfb_info)) { + IVTVFB_WARN("Framebuffer %d is in use, cannot unload\n", i); + return; + } IVTVFB_DEBUG_INFO("Unregister framebuffer %d\n", i); ivtvfb_blank(FB_BLANK_POWERDOWN, &itv->osd_info->ivtvfb_info); - unregister_framebuffer(&itv->osd_info->ivtvfb_info); ivtvfb_release_buffers(itv); itv->osd_video_pbase = 0; } diff --git a/drivers/media/video/meye.c b/drivers/media/video/meye.c index 6928392..c311632 100644 --- a/drivers/media/video/meye.c +++ b/drivers/media/video/meye.c @@ -1762,7 +1762,6 @@ static struct video_device meye_template = { .owner = THIS_MODULE, .name = "meye", .type = VID_TYPE_CAPTURE, - .hardware = VID_HARDWARE_MEYE, .fops = &meye_fops, .release = video_device_release, .minor = -1, diff --git a/drivers/media/video/ov511.c b/drivers/media/video/ov511.c index b8d4ac0..d55d580 100644 --- a/drivers/media/video/ov511.c +++ b/drivers/media/video/ov511.c @@ -4668,7 +4668,6 @@ static struct video_device vdev_template = { .owner = THIS_MODULE, .name = "OV511 USB Camera", .type = VID_TYPE_CAPTURE, - .hardware = VID_HARDWARE_OV511, .fops = &ov511_fops, .release = video_device_release, .minor = -1, diff --git a/drivers/media/video/planb.c b/drivers/media/video/planb.c index 0ef73d9..ce4b2f9 100644 --- a/drivers/media/video/planb.c +++ b/drivers/media/video/planb.c @@ -2013,7 +2013,6 @@ static struct video_device planb_template= .owner = THIS_MODULE, .name = PLANB_DEVICE_NAME, .type = VID_TYPE_OVERLAY, - .hardware = VID_HARDWARE_PLANB, .open = planb_open, .close = planb_close, .read = planb_read, diff --git a/drivers/media/video/pms.c b/drivers/media/video/pms.c index b5a67f0..6820c2a 100644 --- a/drivers/media/video/pms.c +++ b/drivers/media/video/pms.c @@ -895,7 +895,6 @@ static struct video_device pms_template= .owner = THIS_MODULE, .name = "Mediavision PMS", .type = VID_TYPE_CAPTURE, - .hardware = VID_HARDWARE_PMS, .fops = &pms_fops, }; diff --git a/drivers/media/video/pvrusb2/pvrusb2-encoder.c b/drivers/media/video/pvrusb2/pvrusb2-encoder.c index 20b6144..205087a 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-encoder.c +++ b/drivers/media/video/pvrusb2/pvrusb2-encoder.c @@ -209,6 +209,11 @@ static int pvr2_encoder_cmd(void *ctxt, LOCK_TAKE(hdw->ctl_lock); do { + if (!hdw->flag_encoder_ok) { + ret = -EIO; + break; + } + retry_flag = 0; try_count++; ret = 0; @@ -273,6 +278,7 @@ static int pvr2_encoder_cmd(void *ctxt, ret = -EBUSY; } if (ret) { + hdw->flag_encoder_ok = 0; pvr2_trace( PVR2_TRACE_ERROR_LEGS, "Giving up on command." diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h index 985d9ae..f873994 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h @@ -225,11 +225,12 @@ struct pvr2_hdw { unsigned int cmd_debug_write_len; // unsigned int cmd_debug_read_len; // - int flag_ok; // device in known good state - int flag_disconnected; // flag_ok == 0 due to disconnect - int flag_init_ok; // true if structure is fully initialized - int flag_streaming_enabled; // true if streaming should be on - int fw1_state; // current situation with fw1 + int flag_ok; /* device in known good state */ + int flag_disconnected; /* flag_ok == 0 due to disconnect */ + int flag_init_ok; /* true if structure is fully initialized */ + int flag_streaming_enabled; /* true if streaming should be on */ + int fw1_state; /* current situation with fw1 */ + int flag_encoder_ok; /* True if encoder is healthy */ int flag_decoder_is_tuned; diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index 27b12b4..402c5948 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -1248,6 +1248,8 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw) time we configure the encoder, then we'll fully configure it. */ hdw->enc_cur_valid = 0; + hdw->flag_encoder_ok = 0; + /* First prepare firmware loading */ ret |= pvr2_write_register(hdw, 0x0048, 0xffffffff); /*interrupt mask*/ ret |= pvr2_hdw_gpio_chg_dir(hdw,0xffffffff,0x00000088); /*gpio dir*/ @@ -1346,6 +1348,7 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw) pvr2_trace(PVR2_TRACE_ERROR_LEGS, "firmware2 upload post-proc failure"); } else { + hdw->flag_encoder_ok = !0; hdw->subsys_enabled_mask |= (1<<PVR2_SUBSYS_B_ENC_FIRMWARE); } return ret; diff --git a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c index 4563b3d..7a596ea 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c +++ b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c @@ -1121,15 +1121,12 @@ static const struct file_operations vdev_fops = { }; -#define VID_HARDWARE_PVRUSB2 38 /* FIXME : need a good value */ - static struct video_device vdev_template = { .owner = THIS_MODULE, .type = VID_TYPE_CAPTURE | VID_TYPE_TUNER, .type2 = (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_TUNER | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE), - .hardware = VID_HARDWARE_PVRUSB2, .fops = &vdev_fops, }; diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c index 950da25..7300ace 100644 --- a/drivers/media/video/pwc/pwc-if.c +++ b/drivers/media/video/pwc/pwc-if.c @@ -166,7 +166,6 @@ static struct video_device pwc_template = { .owner = THIS_MODULE, .name = "Philips Webcam", /* Filled in later */ .type = VID_TYPE_CAPTURE, - .hardware = VID_HARDWARE_PWC, .release = video_device_release, .fops = &pwc_fops, .minor = -1, diff --git a/drivers/media/video/saa7134/saa6752hs.c b/drivers/media/video/saa7134/saa6752hs.c index 57f1f5d..002e70a 100644 --- a/drivers/media/video/saa7134/saa6752hs.c +++ b/drivers/media/video/saa7134/saa6752hs.c @@ -71,7 +71,6 @@ static const struct v4l2_format v4l2_format_table[] = struct saa6752hs_state { struct i2c_client client; - struct v4l2_mpeg_compression old_params; struct saa6752hs_mpeg_params params; enum saa6752hs_videoformat video_format; v4l2_std_id standard; @@ -161,35 +160,6 @@ static struct saa6752hs_mpeg_params param_defaults = .au_l2_bitrate = V4L2_MPEG_AUDIO_L2_BITRATE_256K, }; -static struct v4l2_mpeg_compression old_param_defaults = -{ - .st_type = V4L2_MPEG_TS_2, - .st_bitrate = { - .mode = V4L2_BITRATE_CBR, - .target = 7000, - }, - - .ts_pid_pmt = 16, - .ts_pid_video = 260, - .ts_pid_audio = 256, - .ts_pid_pcr = 259, - - .vi_type = V4L2_MPEG_VI_2, - .vi_aspect_ratio = V4L2_MPEG_ASPECT_4_3, - .vi_bitrate = { - .mode = V4L2_BITRATE_VBR, - .target = 4000, - .max = 6000, - }, - - .au_type = V4L2_MPEG_AU_2_II, - .au_bitrate = { - .mode = V4L2_BITRATE_CBR, - .target = 256, - }, - -}; - /* ---------------------------------------------------------------------- */ static int saa6752hs_chip_command(struct i2c_client* client, @@ -362,74 +332,6 @@ static void saa6752hs_set_subsampling(struct i2c_client* client, } -static void saa6752hs_old_set_params(struct i2c_client* client, - struct v4l2_mpeg_compression* params) -{ - struct saa6752hs_state *h = i2c_get_clientdata(client); - - /* check PIDs */ - if (params->ts_pid_pmt <= MPEG_PID_MAX) { - h->old_params.ts_pid_pmt = params->ts_pid_pmt; - h->params.ts_pid_pmt = params->ts_pid_pmt; - } - if (params->ts_pid_pcr <= MPEG_PID_MAX) { - h->old_params.ts_pid_pcr = params->ts_pid_pcr; - h->params.ts_pid_pcr = params->ts_pid_pcr; - } - if (params->ts_pid_video <= MPEG_PID_MAX) { - h->old_params.ts_pid_video = params->ts_pid_video; - h->params.ts_pid_video = params->ts_pid_video; - } - if (params->ts_pid_audio <= MPEG_PID_MAX) { - h->old_params.ts_pid_audio = params->ts_pid_audio; - h->params.ts_pid_audio = params->ts_pid_audio; - } - - /* check bitrate parameters */ - if ((params->vi_bitrate.mode == V4L2_BITRATE_CBR) || - (params->vi_bitrate.mode == V4L2_BITRATE_VBR)) { - h->old_params.vi_bitrate.mode = params->vi_bitrate.mode; - h->params.vi_bitrate_mode = (params->vi_bitrate.mode == V4L2_BITRATE_VBR) ? - V4L2_MPEG_VIDEO_BITRATE_MODE_VBR : V4L2_MPEG_VIDEO_BITRATE_MODE_CBR; - } - if (params->vi_bitrate.mode != V4L2_BITRATE_NONE) - h->old_params.st_bitrate.target = params->st_bitrate.target; - if (params->vi_bitrate.mode != V4L2_BITRATE_NONE) - h->old_params.vi_bitrate.target = params->vi_bitrate.target; - if (params->vi_bitrate.mode == V4L2_BITRATE_VBR) - h->old_params.vi_bitrate.max = params->vi_bitrate.max; - if (params->au_bitrate.mode != V4L2_BITRATE_NONE) - h->old_params.au_bitrate.target = params->au_bitrate.target; - - /* aspect ratio */ - if (params->vi_aspect_ratio == V4L2_MPEG_ASPECT_4_3 || - params->vi_aspect_ratio == V4L2_MPEG_ASPECT_16_9) { - h->old_params.vi_aspect_ratio = params->vi_aspect_ratio; - if (params->vi_aspect_ratio == V4L2_MPEG_ASPECT_4_3) - h->params.vi_aspect = V4L2_MPEG_VIDEO_ASPECT_4x3; - else - h->params.vi_aspect = V4L2_MPEG_VIDEO_ASPECT_16x9; - } - - /* range checks */ - if (h->old_params.st_bitrate.target > MPEG_TOTAL_TARGET_BITRATE_MAX) - h->old_params.st_bitrate.target = MPEG_TOTAL_TARGET_BITRATE_MAX; - if (h->old_params.vi_bitrate.target > MPEG_VIDEO_TARGET_BITRATE_MAX) - h->old_params.vi_bitrate.target = MPEG_VIDEO_TARGET_BITRATE_MAX; - if (h->old_params.vi_bitrate.max > MPEG_VIDEO_MAX_BITRATE_MAX) - h->old_params.vi_bitrate.max = MPEG_VIDEO_MAX_BITRATE_MAX; - h->params.vi_bitrate = params->vi_bitrate.target; - h->params.vi_bitrate_peak = params->vi_bitrate.max; - if (h->old_params.au_bitrate.target <= 256) { - h->old_params.au_bitrate.target = 256; - h->params.au_l2_bitrate = V4L2_MPEG_AUDIO_L2_BITRATE_256K; - } - else { - h->old_params.au_bitrate.target = 384; - h->params.au_l2_bitrate = V4L2_MPEG_AUDIO_L2_BITRATE_384K; - } -} - static int handle_ctrl(struct saa6752hs_mpeg_params *params, struct v4l2_ext_control *ctrl, unsigned int cmd) { @@ -697,7 +599,6 @@ static int saa6752hs_attach(struct i2c_adapter *adap, int addr, int kind) return -ENOMEM; h->client = client_template; h->params = param_defaults; - h->old_params = old_param_defaults; h->client.adapter = adap; h->client.addr = addr; @@ -734,23 +635,11 @@ saa6752hs_command(struct i2c_client *client, unsigned int cmd, void *arg) { struct saa6752hs_state *h = i2c_get_clientdata(client); struct v4l2_ext_controls *ctrls = arg; - struct v4l2_mpeg_compression *old_params = arg; struct saa6752hs_mpeg_params params; int err = 0; int i; switch (cmd) { - case VIDIOC_S_MPEGCOMP: - if (NULL == old_params) { - /* apply settings and start encoder */ - saa6752hs_init(client); - break; - } - saa6752hs_old_set_params(client, old_params); - /* fall through */ - case VIDIOC_G_MPEGCOMP: - *old_params = h->old_params; - break; case VIDIOC_S_EXT_CTRLS: if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG) return -EINVAL; diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c index 1a4a244..a499eea 100644 --- a/drivers/media/video/saa7134/saa7134-core.c +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -429,7 +429,7 @@ int saa7134_set_dmabits(struct saa7134_dev *dev) assert_spin_locked(&dev->slock); - if (dev->inresume) + if (dev->insuspend) return 0; /* video capture -- dma 0 + video task A */ @@ -563,6 +563,9 @@ static irqreturn_t saa7134_irq(int irq, void *dev_id) unsigned long report,status; int loop, handled = 0; + if (dev->insuspend) + goto out; + for (loop = 0; loop < 10; loop++) { report = saa_readl(SAA7134_IRQ_REPORT); status = saa_readl(SAA7134_IRQ_STATUS); @@ -1163,6 +1166,7 @@ static void __devexit saa7134_finidev(struct pci_dev *pci_dev) kfree(dev); } +#ifdef CONFIG_PM static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state) { @@ -1176,6 +1180,19 @@ static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state) saa_writel(SAA7134_IRQ2, 0); saa_writel(SAA7134_MAIN_CTRL, 0); + synchronize_irq(pci_dev->irq); + dev->insuspend = 1; + + /* Disable timeout timers - if we have active buffers, we will + fill them on resume*/ + + del_timer(&dev->video_q.timeout); + del_timer(&dev->vbi_q.timeout); + del_timer(&dev->ts_q.timeout); + + if (dev->remote) + saa7134_ir_stop(dev); + pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state)); pci_save_state(pci_dev); @@ -1194,24 +1211,27 @@ static int saa7134_resume(struct pci_dev *pci_dev) /* Do things that are done in saa7134_initdev , except of initializing memory structures.*/ - dev->inresume = 1; saa7134_board_init1(dev); + /* saa7134_hwinit1 */ if (saa7134_boards[dev->board].video_out) saa7134_videoport_init(dev); - if (card_has_mpeg(dev)) saa7134_ts_init_hw(dev); - + if (dev->remote) + saa7134_ir_start(dev, dev->remote); saa7134_hw_enable1(dev); - saa7134_set_decoder(dev); - saa7134_i2c_call_clients(dev, VIDIOC_S_STD, &dev->tvnorm->id); + + saa7134_board_init2(dev); - saa7134_hw_enable2(dev); + /*saa7134_hwinit2*/ + saa7134_set_tvnorm_hw(dev); saa7134_tvaudio_setmute(dev); saa7134_tvaudio_setvolume(dev, dev->ctl_volume); + saa7134_tvaudio_do_scan(dev); saa7134_enable_i2s(dev); + saa7134_hw_enable2(dev); /*resume unfinished buffer(s)*/ spin_lock_irqsave(&dev->slock, flags); @@ -1219,13 +1239,19 @@ static int saa7134_resume(struct pci_dev *pci_dev) saa7134_buffer_requeue(dev, &dev->vbi_q); saa7134_buffer_requeue(dev, &dev->ts_q); + /* FIXME: Disable DMA audio sound - temporary till proper support + is implemented*/ + + dev->dmasound.dma_running = 0; + /* start DMA now*/ - dev->inresume = 0; + dev->insuspend = 0; saa7134_set_dmabits(dev); spin_unlock_irqrestore(&dev->slock, flags); return 0; } +#endif /* ----------------------------------------------------------- */ @@ -1262,8 +1288,10 @@ static struct pci_driver saa7134_pci_driver = { .id_table = saa7134_pci_tbl, .probe = saa7134_initdev, .remove = __devexit_p(saa7134_finidev), +#ifdef CONFIG_PM .suspend = saa7134_suspend, .resume = saa7134_resume +#endif }; static int saa7134_init(void) diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c index 34ca874..75d0c5b 100644 --- a/drivers/media/video/saa7134/saa7134-empress.c +++ b/drivers/media/video/saa7134/saa7134-empress.c @@ -284,17 +284,6 @@ static int ts_do_ioctl(struct inode *inode, struct file *file, case VIDIOC_S_CTRL: return saa7134_common_ioctl(dev, cmd, arg); - case VIDIOC_S_MPEGCOMP: - printk(KERN_WARNING "VIDIOC_S_MPEGCOMP is obsolete. " - "Replace with VIDIOC_S_EXT_CTRLS!"); - saa7134_i2c_call_clients(dev, VIDIOC_S_MPEGCOMP, arg); - ts_init_encoder(dev); - return 0; - case VIDIOC_G_MPEGCOMP: - printk(KERN_WARNING "VIDIOC_G_MPEGCOMP is obsolete. " - "Replace with VIDIOC_G_EXT_CTRLS!"); - saa7134_i2c_call_clients(dev, VIDIOC_G_MPEGCOMP, arg); - return 0; case VIDIOC_S_EXT_CTRLS: /* count == 0 is abused in saa6752hs.c, so that special case is handled here explicitly. */ @@ -342,7 +331,6 @@ static struct video_device saa7134_empress_template = .name = "saa7134-empress", .type = 0 /* FIXME */, .type2 = 0 /* FIXME */, - .hardware = 0, .fops = &ts_fops, .minor = -1, }; diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c index 80d2644..3abaa1b 100644 --- a/drivers/media/video/saa7134/saa7134-input.c +++ b/drivers/media/video/saa7134/saa7134-input.c @@ -44,6 +44,14 @@ module_param(ir_rc5_remote_gap, int, 0644); static int ir_rc5_key_timeout = 115; module_param(ir_rc5_key_timeout, int, 0644); +static int repeat_delay = 500; +module_param(repeat_delay, int, 0644); +MODULE_PARM_DESC(repeat_delay, "delay before key repeat started"); +static int repeat_period = 33; +module_param(repeat_period, int, 0644); +MODULE_PARM_DESC(repeat_period, "repeat period between" + "keypresses when key is down"); + #define dprintk(fmt, arg...) if (ir_debug) \ printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg) #define i2cdprintk(fmt, arg...) if (ir_debug) \ @@ -59,6 +67,13 @@ static int build_key(struct saa7134_dev *dev) struct card_ir *ir = dev->remote; u32 gpio, data; + /* here comes the additional handshake steps for some cards */ + switch (dev->board) { + case SAA7134_BOARD_GOTVIEW_7135: + saa_setb(SAA7134_GPIO_GPSTATUS1, 0x80); + saa_clearb(SAA7134_GPIO_GPSTATUS1, 0x80); + break; + } /* rising SAA7134_GPIO_GPRESCAN reads the status */ saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN); saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN); @@ -159,7 +174,7 @@ static void saa7134_input_timer(unsigned long data) mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling)); } -static void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir) +void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir) { if (ir->polling) { setup_timer(&ir->timer, saa7134_input_timer, @@ -182,7 +197,7 @@ static void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir) } } -static void saa7134_ir_stop(struct saa7134_dev *dev) +void saa7134_ir_stop(struct saa7134_dev *dev) { if (dev->remote->polling) del_timer_sync(&dev->remote->timer); @@ -285,10 +300,10 @@ int saa7134_input_init1(struct saa7134_dev *dev) break; case SAA7134_BOARD_GOTVIEW_7135: ir_codes = ir_codes_gotview7135; - mask_keycode = 0x0003EC; - mask_keyup = 0x008000; + mask_keycode = 0x0003CC; mask_keydown = 0x000010; - polling = 50; // ms + polling = 5; /* ms */ + saa_setb(SAA7134_GPIO_GPMODE1, 0x80); break; case SAA7134_BOARD_VIDEOMATE_TV_PVR: case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS: @@ -386,6 +401,10 @@ int saa7134_input_init1(struct saa7134_dev *dev) if (err) goto err_out_stop; + /* the remote isn't as bouncy as a keyboard */ + ir->dev->rep[REP_DELAY] = repeat_delay; + ir->dev->rep[REP_PERIOD] = repeat_period; + return 0; err_out_stop: diff --git a/drivers/media/video/saa7134/saa7134-tvaudio.c b/drivers/media/video/saa7134/saa7134-tvaudio.c index 1b9e39a..f8e304c 100644 --- a/drivers/media/video/saa7134/saa7134-tvaudio.c +++ b/drivers/media/video/saa7134/saa7134-tvaudio.c @@ -27,6 +27,7 @@ #include <linux/kthread.h> #include <linux/slab.h> #include <linux/delay.h> +#include <linux/freezer.h> #include <asm/div64.h> #include "saa7134-reg.h" @@ -231,7 +232,7 @@ static void mute_input_7134(struct saa7134_dev *dev) } if (dev->hw_mute == mute && - dev->hw_input == in && !dev->inresume) { + dev->hw_input == in && !dev->insuspend) { dprintk("mute/input: nothing to do [mute=%d,input=%s]\n", mute,in->name); return; @@ -502,13 +503,17 @@ static int tvaudio_thread(void *data) unsigned int i, audio, nscan; int max1,max2,carrier,rx,mode,lastmode,default_carrier; - allow_signal(SIGTERM); + + set_freezable(); + for (;;) { tvaudio_sleep(dev,-1); - if (kthread_should_stop() || signal_pending(current)) + if (kthread_should_stop()) goto done; restart: + try_to_freeze(); + dev->thread.scan1 = dev->thread.scan2; dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1); dev->tvaudio = NULL; @@ -612,9 +617,12 @@ static int tvaudio_thread(void *data) lastmode = 42; for (;;) { + + try_to_freeze(); + if (tvaudio_sleep(dev,5000)) goto restart; - if (kthread_should_stop() || signal_pending(current)) + if (kthread_should_stop()) break; if (UNSET == dev->thread.mode) { rx = tvaudio_getstereo(dev,&tvaudio[i]); @@ -630,6 +638,7 @@ static int tvaudio_thread(void *data) } done: + dev->thread.stopped = 1; return 0; } @@ -777,7 +786,8 @@ static int tvaudio_thread_ddep(void *data) struct saa7134_dev *dev = data; u32 value, norms, clock; - allow_signal(SIGTERM); + + set_freezable(); clock = saa7134_boards[dev->board].audio_clock; if (UNSET != audio_clock_override) @@ -790,10 +800,13 @@ static int tvaudio_thread_ddep(void *data) for (;;) { tvaudio_sleep(dev,-1); - if (kthread_should_stop() || signal_pending(current)) + if (kthread_should_stop()) goto done; restart: + + try_to_freeze(); + dev->thread.scan1 = dev->thread.scan2; dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1); @@ -870,6 +883,7 @@ static int tvaudio_thread_ddep(void *data) } done: + dev->thread.stopped = 1; return 0; } @@ -997,7 +1011,7 @@ int saa7134_tvaudio_init2(struct saa7134_dev *dev) int saa7134_tvaudio_fini(struct saa7134_dev *dev) { /* shutdown tvaudio thread */ - if (dev->thread.thread) + if (dev->thread.thread && !dev->thread.stopped) kthread_stop(dev->thread.thread); saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, 0x00); /* LINE1 */ @@ -1013,7 +1027,9 @@ int saa7134_tvaudio_do_scan(struct saa7134_dev *dev) } else if (dev->thread.thread) { dev->thread.mode = UNSET; dev->thread.scan2++; - wake_up_process(dev->thread.thread); + + if (!dev->insuspend && !dev->thread.stopped) + wake_up_process(dev->thread.thread); } else { dev->automute = 0; saa7134_tvaudio_setmute(dev); diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c index 471b927..3b9ffb4 100644 --- a/drivers/media/video/saa7134/saa7134-video.c +++ b/drivers/media/video/saa7134/saa7134-video.c @@ -560,15 +560,8 @@ void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm) dev->crop_current = dev->crop_defrect; - saa7134_set_decoder(dev); + saa7134_set_tvnorm_hw(dev); - if (card_in(dev, dev->ctl_input).tv) { - if ((card(dev).tuner_type == TUNER_PHILIPS_TDA8290) - && ((card(dev).tuner_config == 1) - || (card(dev).tuner_config == 2))) - saa7134_set_gpio(dev, 22, 5); - saa7134_i2c_call_clients(dev, VIDIOC_S_STD, &norm->id); - } } static void video_mux(struct saa7134_dev *dev, int input) @@ -579,7 +572,8 @@ static void video_mux(struct saa7134_dev *dev, int input) saa7134_tvaudio_setinput(dev, &card_in(dev, input)); } -void saa7134_set_decoder(struct saa7134_dev *dev) + +static void saa7134_set_decoder(struct saa7134_dev *dev) { int luma_control, sync_control, mux; @@ -630,6 +624,19 @@ void saa7134_set_decoder(struct saa7134_dev *dev) saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80); } +void saa7134_set_tvnorm_hw(struct saa7134_dev *dev) +{ + saa7134_set_decoder(dev); + + if (card_in(dev, dev->ctl_input).tv) { + if ((card(dev).tuner_type == TUNER_PHILIPS_TDA8290) + && ((card(dev).tuner_config == 1) + || (card(dev).tuner_config == 2))) + saa7134_set_gpio(dev, 22, 5); + saa7134_i2c_call_clients(dev, VIDIOC_S_STD, &dev->tvnorm->id); + } +} + static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale) { static const struct { @@ -2352,7 +2359,6 @@ struct video_device saa7134_video_template = .name = "saa7134-video", .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER| VID_TYPE_CLIPPING|VID_TYPE_SCALES, - .hardware = 0, .fops = &video_fops, .minor = -1, }; @@ -2361,7 +2367,6 @@ struct video_device saa7134_vbi_template = { .name = "saa7134-vbi", .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT, - .hardware = 0, .fops = &video_fops, .minor = -1, }; @@ -2370,7 +2375,6 @@ struct video_device saa7134_radio_template = { .name = "saa7134-radio", .type = VID_TYPE_TUNER, - .hardware = 0, .fops = &radio_fops, .minor = -1, }; diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h index 28ec680..66a390c 100644 --- a/drivers/media/video/saa7134/saa7134.h +++ b/drivers/media/video/saa7134/saa7134.h @@ -333,6 +333,7 @@ struct saa7134_thread { unsigned int scan1; unsigned int scan2; unsigned int mode; + unsigned int stopped; }; /* buffer for one video/vbi/ts frame */ @@ -524,7 +525,7 @@ struct saa7134_dev { unsigned int hw_mute; int last_carrier; int nosignal; - unsigned int inresume; + unsigned int insuspend; /* SAA7134_MPEG_* */ struct saa7134_ts ts; @@ -632,7 +633,7 @@ extern struct video_device saa7134_radio_template; void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm); int saa7134_videoport_init(struct saa7134_dev *dev); -void saa7134_set_decoder(struct saa7134_dev *dev); +void saa7134_set_tvnorm_hw(struct saa7134_dev *dev); int saa7134_common_ioctl(struct saa7134_dev *dev, unsigned int cmd, void *arg); @@ -706,6 +707,8 @@ int saa7134_input_init1(struct saa7134_dev *dev); void saa7134_input_fini(struct saa7134_dev *dev); void saa7134_input_irq(struct saa7134_dev *dev); void saa7134_set_i2c_ir(struct saa7134_dev *dev, struct IR_i2c *ir); +void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir); +void saa7134_ir_stop(struct saa7134_dev *dev); /* diff --git a/drivers/media/video/se401.c b/drivers/media/video/se401.c index 93fb04e..d5d7d6c 100644 --- a/drivers/media/video/se401.c +++ b/drivers/media/video/se401.c @@ -1231,7 +1231,6 @@ static struct video_device se401_template = { .owner = THIS_MODULE, .name = "se401 USB camera", .type = VID_TYPE_CAPTURE, - .hardware = VID_HARDWARE_SE401, .fops = &se401_fops, }; diff --git a/drivers/media/video/sn9c102/sn9c102_core.c b/drivers/media/video/sn9c102/sn9c102_core.c index 6991e06..5118479 100644 --- a/drivers/media/video/sn9c102/sn9c102_core.c +++ b/drivers/media/video/sn9c102/sn9c102_core.c @@ -3319,7 +3319,6 @@ sn9c102_usb_probe(struct usb_interface* intf, const struct usb_device_id* id) strcpy(cam->v4ldev->name, "SN9C1xx PC Camera"); cam->v4ldev->owner = THIS_MODULE; cam->v4ldev->type = VID_TYPE_CAPTURE | VID_TYPE_SCALES; - cam->v4ldev->hardware = 0; cam->v4ldev->fops = &sn9c102_fops; cam->v4ldev->minor = video_nr[dev_nr]; cam->v4ldev->release = video_device_release; diff --git a/drivers/media/video/stradis.c b/drivers/media/video/stradis.c index eb22046..3fb85af 100644 --- a/drivers/media/video/stradis.c +++ b/drivers/media/video/stradis.c @@ -1917,7 +1917,6 @@ static const struct file_operations saa_fops = { static struct video_device saa_template = { .name = "SAA7146A", .type = VID_TYPE_CAPTURE | VID_TYPE_OVERLAY, - .hardware = VID_HARDWARE_SAA7146, .fops = &saa_fops, .minor = -1, }; diff --git a/drivers/media/video/stv680.c b/drivers/media/video/stv680.c index 9e009a7..afc32aa 100644 --- a/drivers/media/video/stv680.c +++ b/drivers/media/video/stv680.c @@ -1398,7 +1398,6 @@ static struct video_device stv680_template = { .owner = THIS_MODULE, .name = "STV0680 USB camera", .type = VID_TYPE_CAPTURE, - .hardware = VID_HARDWARE_SE401, .fops = &stv680_fops, .release = video_device_release, .minor = -1, diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c index 9484308..6a77760 100644 --- a/drivers/media/video/tuner-core.c +++ b/drivers/media/video/tuner-core.c @@ -113,7 +113,7 @@ static void fe_standby(struct tuner *t) static int fe_has_signal(struct tuner *t) { struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops; - u16 strength; + u16 strength = 0; if (fe_tuner_ops->get_rf_strength) fe_tuner_ops->get_rf_strength(&t->fe, &strength); diff --git a/drivers/media/video/usbvideo/usbvideo.c b/drivers/media/video/usbvideo/usbvideo.c index 37ce36b..fb434b5 100644 --- a/drivers/media/video/usbvideo/usbvideo.c +++ b/drivers/media/video/usbvideo/usbvideo.c @@ -952,7 +952,6 @@ static const struct file_operations usbvideo_fops = { static const struct video_device usbvideo_template = { .owner = THIS_MODULE, .type = VID_TYPE_CAPTURE, - .hardware = VID_HARDWARE_CPIA, .fops = &usbvideo_fops, }; diff --git a/drivers/media/video/usbvideo/vicam.c b/drivers/media/video/usbvideo/vicam.c index db3c9e3..da1ba02 100644 --- a/drivers/media/video/usbvideo/vicam.c +++ b/drivers/media/video/usbvideo/vicam.c @@ -1074,7 +1074,6 @@ static struct video_device vicam_template = { .owner = THIS_MODULE, .name = "ViCam-based USB Camera", .type = VID_TYPE_CAPTURE, - .hardware = VID_HARDWARE_VICAM, .fops = &vicam_fops, .minor = -1, }; diff --git a/drivers/media/video/usbvision/usbvision-video.c b/drivers/media/video/usbvision/usbvision-video.c index e2f3c01..36e689f 100644 --- a/drivers/media/video/usbvision/usbvision-video.c +++ b/drivers/media/video/usbvision/usbvision-video.c @@ -1400,7 +1400,6 @@ static const struct file_operations usbvision_fops = { static struct video_device usbvision_video_template = { .owner = THIS_MODULE, .type = VID_TYPE_TUNER | VID_TYPE_CAPTURE, - .hardware = VID_HARDWARE_USBVISION, .fops = &usbvision_fops, .name = "usbvision-video", .release = video_device_release, @@ -1455,7 +1454,6 @@ static struct video_device usbvision_radio_template= { .owner = THIS_MODULE, .type = VID_TYPE_TUNER, - .hardware = VID_HARDWARE_USBVISION, .fops = &usbvision_radio_fops, .name = "usbvision-radio", .release = video_device_release, @@ -1492,7 +1490,6 @@ static struct video_device usbvision_vbi_template= { .owner = THIS_MODULE, .type = VID_TYPE_TUNER, - .hardware = VID_HARDWARE_USBVISION, .fops = &usbvision_vbi_fops, .release = video_device_release, .name = "usbvision-vbi", diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index 3212492..1141b4b 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -317,8 +317,6 @@ static const char *v4l2_ioctls[] = { [_IOC_NR(VIDIOC_ENUM_FMT)] = "VIDIOC_ENUM_FMT", [_IOC_NR(VIDIOC_G_FMT)] = "VIDIOC_G_FMT", [_IOC_NR(VIDIOC_S_FMT)] = "VIDIOC_S_FMT", - [_IOC_NR(VIDIOC_G_MPEGCOMP)] = "VIDIOC_G_MPEGCOMP", - [_IOC_NR(VIDIOC_S_MPEGCOMP)] = "VIDIOC_S_MPEGCOMP", [_IOC_NR(VIDIOC_REQBUFS)] = "VIDIOC_REQBUFS", [_IOC_NR(VIDIOC_QUERYBUF)] = "VIDIOC_QUERYBUF", [_IOC_NR(VIDIOC_G_FBUF)] = "VIDIOC_G_FBUF", diff --git a/drivers/media/video/videobuf-core.c b/drivers/media/video/videobuf-core.c index 5599a36..89a44f1 100644 --- a/drivers/media/video/videobuf-core.c +++ b/drivers/media/video/videobuf-core.c @@ -967,6 +967,7 @@ int videobuf_cgmbuf(struct videobuf_queue *q, return 0; } +EXPORT_SYMBOL_GPL(videobuf_cgmbuf); #endif /* --------------------------------------------------------------------- */ @@ -985,7 +986,6 @@ EXPORT_SYMBOL_GPL(videobuf_reqbufs); EXPORT_SYMBOL_GPL(videobuf_querybuf); EXPORT_SYMBOL_GPL(videobuf_qbuf); EXPORT_SYMBOL_GPL(videobuf_dqbuf); -EXPORT_SYMBOL_GPL(videobuf_cgmbuf); EXPORT_SYMBOL_GPL(videobuf_streamon); EXPORT_SYMBOL_GPL(videobuf_streamoff); diff --git a/drivers/media/video/videobuf-dma-sg.c b/drivers/media/video/videobuf-dma-sg.c index 3eb6123..0a18286 100644 --- a/drivers/media/video/videobuf-dma-sg.c +++ b/drivers/media/video/videobuf-dma-sg.c @@ -60,12 +60,13 @@ videobuf_vmalloc_to_sg(unsigned char *virt, int nr_pages) sglist = kcalloc(nr_pages, sizeof(struct scatterlist), GFP_KERNEL); if (NULL == sglist) return NULL; + sg_init_table(sglist, nr_pages); for (i = 0; i < nr_pages; i++, virt += PAGE_SIZE) { pg = vmalloc_to_page(virt); if (NULL == pg) goto err; BUG_ON(PageHighMem(pg)); - sglist[i].page = pg; + sg_set_page(&sglist[i], pg); sglist[i].length = PAGE_SIZE; } return sglist; @@ -86,13 +87,14 @@ videobuf_pages_to_sg(struct page **pages, int nr_pages, int offset) sglist = kcalloc(nr_pages, sizeof(*sglist), GFP_KERNEL); if (NULL == sglist) return NULL; + sg_init_table(sglist, nr_pages); if (NULL == pages[0]) goto nopage; if (PageHighMem(pages[0])) /* DMA to highmem pages might not work */ goto highmem; - sglist[0].page = pages[0]; + sg_set_page(&sglist[0], pages[0]); sglist[0].offset = offset; sglist[0].length = PAGE_SIZE - offset; for (i = 1; i < nr_pages; i++) { @@ -100,7 +102,7 @@ videobuf_pages_to_sg(struct page **pages, int nr_pages, int offset) goto nopage; if (PageHighMem(pages[i])) goto highmem; - sglist[i].page = pages[i]; + sg_set_page(&sglist[i], pages[i]); sglist[i].length = PAGE_SIZE; } return sglist; diff --git a/drivers/media/video/videocodec.c b/drivers/media/video/videocodec.c index f2bbd7a..87951ec 100644 --- a/drivers/media/video/videocodec.c +++ b/drivers/media/video/videocodec.c @@ -86,8 +86,8 @@ videocodec_attach (struct videocodec_master *master) } dprintk(2, - "videocodec_attach: '%s', type: %x, flags %lx, magic %lx\n", - master->name, master->type, master->flags, master->magic); + "videocodec_attach: '%s', flags %lx, magic %lx\n", + master->name, master->flags, master->magic); if (!h) { dprintk(1, diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c index 8d8e517..9611c39 100644 --- a/drivers/media/video/videodev.c +++ b/drivers/media/video/videodev.c @@ -1313,48 +1313,6 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, ret=vfd->vidioc_cropcap(file, fh, p); break; } - case VIDIOC_G_MPEGCOMP: - { - struct v4l2_mpeg_compression *p=arg; - - /*FIXME: Several fields not shown */ - if (!vfd->vidioc_g_mpegcomp) - break; - ret=vfd->vidioc_g_mpegcomp(file, fh, p); - if (!ret) - dbgarg (cmd, "ts_pid_pmt=%d, ts_pid_audio=%d," - " ts_pid_video=%d, ts_pid_pcr=%d, " - "ps_size=%d, au_sample_rate=%d, " - "au_pesid=%c, vi_frame_rate=%d, " - "vi_frames_per_gop=%d, " - "vi_bframes_count=%d, vi_pesid=%c\n", - p->ts_pid_pmt,p->ts_pid_audio, - p->ts_pid_video,p->ts_pid_pcr, - p->ps_size, p->au_sample_rate, - p->au_pesid, p->vi_frame_rate, - p->vi_frames_per_gop, - p->vi_bframes_count, p->vi_pesid); - break; - } - case VIDIOC_S_MPEGCOMP: - { - struct v4l2_mpeg_compression *p=arg; - /*FIXME: Several fields not shown */ - if (!vfd->vidioc_s_mpegcomp) - break; - dbgarg (cmd, "ts_pid_pmt=%d, ts_pid_audio=%d, " - "ts_pid_video=%d, ts_pid_pcr=%d, ps_size=%d, " - "au_sample_rate=%d, au_pesid=%c, " - "vi_frame_rate=%d, vi_frames_per_gop=%d, " - "vi_bframes_count=%d, vi_pesid=%c\n", - p->ts_pid_pmt,p->ts_pid_audio, p->ts_pid_video, - p->ts_pid_pcr, p->ps_size, p->au_sample_rate, - p->au_pesid, p->vi_frame_rate, - p->vi_frames_per_gop, p->vi_bframes_count, - p->vi_pesid); - ret=vfd->vidioc_s_mpegcomp(file, fh, p); - break; - } case VIDIOC_G_JPEGCOMP: { struct v4l2_jpegcompression *p=arg; diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c index b532aa2..ee73dc7 100644 --- a/drivers/media/video/vivi.c +++ b/drivers/media/video/vivi.c @@ -1119,7 +1119,6 @@ static const struct file_operations vivi_fops = { static struct video_device vivi = { .name = "vivi", .type = VID_TYPE_CAPTURE, - .hardware = 0, .fops = &vivi_fops, .minor = -1, // .release = video_device_release, diff --git a/drivers/media/video/w9966.c b/drivers/media/video/w9966.c index 4736640..08aaae0 100644 --- a/drivers/media/video/w9966.c +++ b/drivers/media/video/w9966.c @@ -196,7 +196,6 @@ static struct video_device w9966_template = { .owner = THIS_MODULE, .name = W9966_DRIVERNAME, .type = VID_TYPE_CAPTURE | VID_TYPE_SCALES, - .hardware = VID_HARDWARE_W9966, .fops = &w9966_fops, }; diff --git a/drivers/media/video/w9968cf.c b/drivers/media/video/w9968cf.c index 9e7f3e6..2ae1430 100644 --- a/drivers/media/video/w9968cf.c +++ b/drivers/media/video/w9968cf.c @@ -3549,7 +3549,6 @@ w9968cf_usb_probe(struct usb_interface* intf, const struct usb_device_id* id) strcpy(cam->v4ldev->name, symbolic(camlist, mod_id)); cam->v4ldev->owner = THIS_MODULE; cam->v4ldev->type = VID_TYPE_CAPTURE | VID_TYPE_SCALES; - cam->v4ldev->hardware = VID_HARDWARE_W9968CF; cam->v4ldev->fops = &w9968cf_fops; cam->v4ldev->minor = video_nr[dev_nr]; cam->v4ldev->release = video_device_release; diff --git a/drivers/media/video/zc0301/zc0301_core.c b/drivers/media/video/zc0301/zc0301_core.c index 08a93c3..2c5665c 100644 --- a/drivers/media/video/zc0301/zc0301_core.c +++ b/drivers/media/video/zc0301/zc0301_core.c @@ -1985,7 +1985,6 @@ zc0301_usb_probe(struct usb_interface* intf, const struct usb_device_id* id) strcpy(cam->v4ldev->name, "ZC0301[P] PC Camera"); cam->v4ldev->owner = THIS_MODULE; cam->v4ldev->type = VID_TYPE_CAPTURE | VID_TYPE_SCALES; - cam->v4ldev->hardware = 0; cam->v4ldev->fops = &zc0301_fops; cam->v4ldev->minor = video_nr[dev_nr]; cam->v4ldev->release = video_device_release; diff --git a/drivers/media/video/zoran_card.c b/drivers/media/video/zoran_card.c index 48da36a..6e0ac4c 100644 --- a/drivers/media/video/zoran_card.c +++ b/drivers/media/video/zoran_card.c @@ -1235,8 +1235,14 @@ zoran_setup_videocodec (struct zoran *zr, return m; } - m->magic = 0L; /* magic not used */ - m->type = VID_HARDWARE_ZR36067; + /* magic and type are unused for master struct. Makes sense only at + codec structs. + In the past, .type were initialized to the old V4L1 .hardware + value, as VID_HARDWARE_ZR36067 + */ + m->magic = 0L; + m->type = 0; + m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER; strncpy(m->name, ZR_DEVNAME(zr), sizeof(m->name)); m->data = zr; diff --git a/drivers/media/video/zoran_driver.c b/drivers/media/video/zoran_driver.c index 419e5af..dd3d7d2 100644 --- a/drivers/media/video/zoran_driver.c +++ b/drivers/media/video/zoran_driver.c @@ -60,7 +60,6 @@ #include <linux/spinlock.h> #define MAP_NR(x) virt_to_page(x) -#define ZORAN_HARDWARE VID_HARDWARE_ZR36067 #define ZORAN_VID_TYPE ( \ VID_TYPE_CAPTURE | \ VID_TYPE_OVERLAY | \ @@ -4659,7 +4658,6 @@ struct video_device zoran_template __devinitdata = { #ifdef CONFIG_VIDEO_V4L2 .type2 = ZORAN_V4L2_VID_FLAGS, #endif - .hardware = ZORAN_HARDWARE, .fops = &zoran_fops, .release = &zoran_vdev_release, .minor = -1 diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c index a5d0354..9203a0b 100644 --- a/drivers/mmc/card/queue.c +++ b/drivers/mmc/card/queue.c @@ -13,6 +13,7 @@ #include <linux/blkdev.h> #include <linux/freezer.h> #include <linux/kthread.h> +#include <linux/scatterlist.h> #include <linux/mmc/card.h> #include <linux/mmc/host.h> @@ -153,19 +154,21 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock blk_queue_max_hw_segments(mq->queue, bouncesz / 512); blk_queue_max_segment_size(mq->queue, bouncesz); - mq->sg = kzalloc(sizeof(struct scatterlist), + mq->sg = kmalloc(sizeof(struct scatterlist), GFP_KERNEL); if (!mq->sg) { ret = -ENOMEM; goto cleanup_queue; } + sg_init_table(mq->sg, 1); - mq->bounce_sg = kzalloc(sizeof(struct scatterlist) * + mq->bounce_sg = kmalloc(sizeof(struct scatterlist) * bouncesz / 512, GFP_KERNEL); if (!mq->bounce_sg) { ret = -ENOMEM; goto cleanup_queue; } + sg_init_table(mq->bounce_sg, bouncesz / 512); } } #endif @@ -302,12 +305,12 @@ static void copy_sg(struct scatterlist *dst, unsigned int dst_len, BUG_ON(dst_len == 0); if (dst_size == 0) { - dst_buf = page_address(dst->page) + dst->offset; + dst_buf = sg_virt(dst); dst_size = dst->length; } if (src_size == 0) { - src_buf = page_address(src->page) + src->offset; + src_buf = sg_virt(dst); src_size = src->length; } @@ -353,9 +356,7 @@ unsigned int mmc_queue_map_sg(struct mmc_queue *mq) return 1; } - mq->sg[0].page = virt_to_page(mq->bounce_buf); - mq->sg[0].offset = offset_in_page(mq->bounce_buf); - mq->sg[0].length = 0; + sg_init_one(mq->sg, mq->bounce_buf, 0); while (sg_len) { mq->sg[0].length += mq->bounce_sg[sg_len - 1].length; diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c index 7a452c2..b1edcef 100644 --- a/drivers/mmc/host/at91_mci.c +++ b/drivers/mmc/host/at91_mci.c @@ -149,7 +149,7 @@ static inline void at91_mci_sg_to_dma(struct at91mci_host *host, struct mmc_data sg = &data->sg[i]; - sgbuffer = kmap_atomic(sg->page, KM_BIO_SRC_IRQ) + sg->offset; + sgbuffer = kmap_atomic(sg_page(sg), KM_BIO_SRC_IRQ) + sg->offset; amount = min(size, sg->length); size -= amount; @@ -226,7 +226,7 @@ static void at91_mci_pre_dma_read(struct at91mci_host *host) sg = &data->sg[host->transfer_index++]; pr_debug("sg = %p\n", sg); - sg->dma_address = dma_map_page(NULL, sg->page, sg->offset, sg->length, DMA_FROM_DEVICE); + sg->dma_address = dma_map_page(NULL, sg_page(sg), sg->offset, sg->length, DMA_FROM_DEVICE); pr_debug("dma address = %08X, length = %d\n", sg->dma_address, sg->length); @@ -283,7 +283,7 @@ static void at91_mci_post_dma_read(struct at91mci_host *host) int index; /* Swap the contents of the buffer */ - buffer = kmap_atomic(sg->page, KM_BIO_SRC_IRQ) + sg->offset; + buffer = kmap_atomic(sg_page(sg), KM_BIO_SRC_IRQ) + sg->offset; pr_debug("buffer = %p, length = %d\n", buffer, sg->length); for (index = 0; index < (sg->length / 4); index++) @@ -292,7 +292,7 @@ static void at91_mci_post_dma_read(struct at91mci_host *host) kunmap_atomic(buffer, KM_BIO_SRC_IRQ); } - flush_dcache_page(sg->page); + flush_dcache_page(sg_page(sg)); } /* Is there another transfer to trigger? */ diff --git a/drivers/mmc/host/au1xmmc.c b/drivers/mmc/host/au1xmmc.c index 92c4d0d..bcbb6d2 100644 --- a/drivers/mmc/host/au1xmmc.c +++ b/drivers/mmc/host/au1xmmc.c @@ -340,7 +340,7 @@ static void au1xmmc_send_pio(struct au1xmmc_host *host) /* This is the pointer to the data buffer */ sg = &data->sg[host->pio.index]; - sg_ptr = page_address(sg->page) + sg->offset + host->pio.offset; + sg_ptr = sg_virt(sg) + host->pio.offset; /* This is the space left inside the buffer */ sg_len = data->sg[host->pio.index].length - host->pio.offset; @@ -400,7 +400,7 @@ static void au1xmmc_receive_pio(struct au1xmmc_host *host) if (host->pio.index < host->dma.len) { sg = &data->sg[host->pio.index]; - sg_ptr = page_address(sg->page) + sg->offset + host->pio.offset; + sg_ptr = sg_virt(sg) + host->pio.offset; /* This is the space left inside the buffer */ sg_len = sg_dma_len(&data->sg[host->pio.index]) - host->pio.offset; @@ -613,14 +613,11 @@ au1xmmc_prepare_data(struct au1xmmc_host *host, struct mmc_data *data) if (host->flags & HOST_F_XMIT){ ret = au1xxx_dbdma_put_source_flags(channel, - (void *) (page_address(sg->page) + - sg->offset), - len, flags); + (void *) sg_virt(sg), len, flags); } else { ret = au1xxx_dbdma_put_dest_flags(channel, - (void *) (page_address(sg->page) + - sg->offset), + (void *) sg_virt(sg), len, flags); } diff --git a/drivers/mmc/host/imxmmc.c b/drivers/mmc/host/imxmmc.c index 6ebc41e..fc72e1f 100644 --- a/drivers/mmc/host/imxmmc.c +++ b/drivers/mmc/host/imxmmc.c @@ -262,7 +262,7 @@ static void imxmci_setup_data(struct imxmci_host *host, struct mmc_data *data) } /* Convert back to virtual address */ - host->data_ptr = (u16*)(page_address(data->sg->page) + data->sg->offset); + host->data_ptr = (u16*)sg_virt(sg); host->data_cnt = 0; clear_bit(IMXMCI_PEND_DMA_DATA_b, &host->pending_events); diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c index 7ae18ea..12c2d80 100644 --- a/drivers/mmc/host/mmc_spi.c +++ b/drivers/mmc/host/mmc_spi.c @@ -813,7 +813,7 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd, && dir == DMA_FROM_DEVICE) dir = DMA_BIDIRECTIONAL; - dma_addr = dma_map_page(dma_dev, sg->page, 0, + dma_addr = dma_map_page(dma_dev, sg_page(sg), 0, PAGE_SIZE, dir); if (direction == DMA_TO_DEVICE) t->tx_dma = dma_addr + sg->offset; @@ -822,7 +822,7 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd, } /* allow pio too; we don't allow highmem */ - kmap_addr = kmap(sg->page); + kmap_addr = kmap(sg_page(sg)); if (direction == DMA_TO_DEVICE) t->tx_buf = kmap_addr + sg->offset; else @@ -855,8 +855,8 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd, /* discard mappings */ if (direction == DMA_FROM_DEVICE) - flush_kernel_dcache_page(sg->page); - kunmap(sg->page); + flush_kernel_dcache_page(sg_page(sg)); + kunmap(sg_page(sg)); if (dma_dev) dma_unmap_page(dma_dev, dma_addr, PAGE_SIZE, dir); diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c index 60a67df..971e18b 100644 --- a/drivers/mmc/host/omap.c +++ b/drivers/mmc/host/omap.c @@ -24,10 +24,10 @@ #include <linux/mmc/host.h> #include <linux/mmc/card.h> #include <linux/clk.h> +#include <linux/scatterlist.h> #include <asm/io.h> #include <asm/irq.h> -#include <asm/scatterlist.h> #include <asm/mach-types.h> #include <asm/arch/board.h> @@ -383,7 +383,7 @@ mmc_omap_sg_to_buf(struct mmc_omap_host *host) sg = host->data->sg + host->sg_idx; host->buffer_bytes_left = sg->length; - host->buffer = page_address(sg->page) + sg->offset; + host->buffer = sg_virt(sg); if (host->buffer_bytes_left > host->total_bytes_left) host->buffer_bytes_left = host->total_bytes_left; } diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index b397121..0db837e 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -231,7 +231,7 @@ static void sdhci_deactivate_led(struct sdhci_host *host) static inline char* sdhci_sg_to_buffer(struct sdhci_host* host) { - return page_address(host->cur_sg->page) + host->cur_sg->offset; + return sg_virt(host->cur_sg); } static inline int sdhci_next_sg(struct sdhci_host* host) diff --git a/drivers/mmc/host/tifm_sd.c b/drivers/mmc/host/tifm_sd.c index 9b90479..c11a3d2 100644 --- a/drivers/mmc/host/tifm_sd.c +++ b/drivers/mmc/host/tifm_sd.c @@ -192,7 +192,7 @@ static void tifm_sd_transfer_data(struct tifm_sd *host) } off = sg[host->sg_pos].offset + host->block_pos; - pg = nth_page(sg[host->sg_pos].page, off >> PAGE_SHIFT); + pg = nth_page(sg_page(&sg[host->sg_pos]), off >> PAGE_SHIFT); p_off = offset_in_page(off); p_cnt = PAGE_SIZE - p_off; p_cnt = min(p_cnt, cnt); @@ -241,18 +241,18 @@ static void tifm_sd_bounce_block(struct tifm_sd *host, struct mmc_data *r_data) } off = sg[host->sg_pos].offset + host->block_pos; - pg = nth_page(sg[host->sg_pos].page, off >> PAGE_SHIFT); + pg = nth_page(sg_page(&sg[host->sg_pos]), off >> PAGE_SHIFT); p_off = offset_in_page(off); p_cnt = PAGE_SIZE - p_off; p_cnt = min(p_cnt, cnt); p_cnt = min(p_cnt, t_size); if (r_data->flags & MMC_DATA_WRITE) - tifm_sd_copy_page(host->bounce_buf.page, + tifm_sd_copy_page(sg_page(&host->bounce_buf), r_data->blksz - t_size, pg, p_off, p_cnt); else if (r_data->flags & MMC_DATA_READ) - tifm_sd_copy_page(pg, p_off, host->bounce_buf.page, + tifm_sd_copy_page(pg, p_off, sg_page(&host->bounce_buf), r_data->blksz - t_size, p_cnt); t_size -= p_cnt; diff --git a/drivers/mmc/host/wbsd.c b/drivers/mmc/host/wbsd.c index 80db11c..fa4c8c5 100644 --- a/drivers/mmc/host/wbsd.c +++ b/drivers/mmc/host/wbsd.c @@ -269,7 +269,7 @@ static inline int wbsd_next_sg(struct wbsd_host *host) static inline char *wbsd_sg_to_buffer(struct wbsd_host *host) { - return page_address(host->cur_sg->page) + host->cur_sg->offset; + return sg_virt(host->cur_sg); } static inline void wbsd_sg_to_dma(struct wbsd_host *host, struct mmc_data *data) @@ -283,7 +283,7 @@ static inline void wbsd_sg_to_dma(struct wbsd_host *host, struct mmc_data *data) len = data->sg_len; for (i = 0; i < len; i++) { - sgbuf = page_address(sg[i].page) + sg[i].offset; + sgbuf = sg_virt(&sg[i]); memcpy(dmabuf, sgbuf, sg[i].length); dmabuf += sg[i].length; } @@ -300,7 +300,7 @@ static inline void wbsd_dma_to_sg(struct wbsd_host *host, struct mmc_data *data) len = data->sg_len; for (i = 0; i < len; i++) { - sgbuf = page_address(sg[i].page) + sg[i].offset; + sgbuf = sg_virt(&sg[i]); memcpy(sgbuf, dmabuf, sg[i].length); dmabuf += sg[i].length; } diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c index ed53aaa..ae41973 100644 --- a/drivers/net/cpmac.c +++ b/drivers/net/cpmac.c @@ -471,7 +471,7 @@ static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev) } len = max(skb->len, ETH_ZLEN); - queue = skb->queue_mapping; + queue = skb_get_queue_mapping(skb); #ifdef CONFIG_NETDEVICES_MULTIQUEUE netif_stop_subqueue(dev, queue); #else diff --git a/drivers/net/mlx4/icm.c b/drivers/net/mlx4/icm.c index 4b3c109..887633b 100644 --- a/drivers/net/mlx4/icm.c +++ b/drivers/net/mlx4/icm.c @@ -60,7 +60,7 @@ static void mlx4_free_icm_pages(struct mlx4_dev *dev, struct mlx4_icm_chunk *chu PCI_DMA_BIDIRECTIONAL); for (i = 0; i < chunk->npages; ++i) - __free_pages(chunk->mem[i].page, + __free_pages(sg_page(&chunk->mem[i]), get_order(chunk->mem[i].length)); } @@ -70,7 +70,7 @@ static void mlx4_free_icm_coherent(struct mlx4_dev *dev, struct mlx4_icm_chunk * for (i = 0; i < chunk->npages; ++i) dma_free_coherent(&dev->pdev->dev, chunk->mem[i].length, - lowmem_page_address(chunk->mem[i].page), + lowmem_page_address(sg_page(&chunk->mem[i])), sg_dma_address(&chunk->mem[i])); } @@ -95,10 +95,13 @@ void mlx4_free_icm(struct mlx4_dev *dev, struct mlx4_icm *icm, int coherent) static int mlx4_alloc_icm_pages(struct scatterlist *mem, int order, gfp_t gfp_mask) { - mem->page = alloc_pages(gfp_mask, order); - if (!mem->page) + struct page *page; + + page = alloc_pages(gfp_mask, order); + if (!page) return -ENOMEM; + sg_set_page(mem, page); mem->length = PAGE_SIZE << order; mem->offset = 0; return 0; @@ -145,6 +148,7 @@ struct mlx4_icm *mlx4_alloc_icm(struct mlx4_dev *dev, int npages, if (!chunk) goto fail; + sg_init_table(chunk->mem, MLX4_ICM_CHUNK_LEN); chunk->npages = 0; chunk->nsg = 0; list_add_tail(&chunk->list, &icm->chunk_list); @@ -334,7 +338,7 @@ void *mlx4_table_find(struct mlx4_icm_table *table, int obj, dma_addr_t *dma_han * been assigned to. */ if (chunk->mem[i].length > offset) { - page = chunk->mem[i].page; + page = sg_page(&chunk->mem[i]); goto out; } offset -= chunk->mem[i].length; diff --git a/drivers/net/niu.c b/drivers/net/niu.c index ed1f9bb..112ab07 100644 --- a/drivers/net/niu.c +++ b/drivers/net/niu.c @@ -3103,31 +3103,12 @@ static int niu_alloc_tx_ring_info(struct niu *np, static void niu_size_rbr(struct niu *np, struct rx_ring_info *rp) { - u16 bs; + u16 bss; - switch (PAGE_SIZE) { - case 4 * 1024: - case 8 * 1024: - case 16 * 1024: - case 32 * 1024: - rp->rbr_block_size = PAGE_SIZE; - rp->rbr_blocks_per_page = 1; - break; + bss = min(PAGE_SHIFT, 15); - default: - if (PAGE_SIZE % (32 * 1024) == 0) - bs = 32 * 1024; - else if (PAGE_SIZE % (16 * 1024) == 0) - bs = 16 * 1024; - else if (PAGE_SIZE % (8 * 1024) == 0) - bs = 8 * 1024; - else if (PAGE_SIZE % (4 * 1024) == 0) - bs = 4 * 1024; - else - BUG(); - rp->rbr_block_size = bs; - rp->rbr_blocks_per_page = PAGE_SIZE / bs; - } + rp->rbr_block_size = 1 << bss; + rp->rbr_blocks_per_page = 1 << (PAGE_SHIFT-bss); rp->rbr_sizes[0] = 256; rp->rbr_sizes[1] = 1024; @@ -7902,12 +7883,7 @@ static int __init niu_init(void) { int err = 0; - BUILD_BUG_ON((PAGE_SIZE < 4 * 1024) || - ((PAGE_SIZE > 32 * 1024) && - ((PAGE_SIZE % (32 * 1024)) != 0 && - (PAGE_SIZE % (16 * 1024)) != 0 && - (PAGE_SIZE % (8 * 1024)) != 0 && - (PAGE_SIZE % (4 * 1024)) != 0))); + BUILD_BUG_ON(PAGE_SIZE < 4 * 1024); niu_debug = netif_msg_init(debug, NIU_MSG_DEFAULT); diff --git a/drivers/net/ppp_mppe.c b/drivers/net/ppp_mppe.c index c0b6d19..bcb0885 100644 --- a/drivers/net/ppp_mppe.c +++ b/drivers/net/ppp_mppe.c @@ -55,7 +55,7 @@ #include <linux/mm.h> #include <linux/ppp_defs.h> #include <linux/ppp-comp.h> -#include <asm/scatterlist.h> +#include <linux/scatterlist.h> #include "ppp_mppe.h" @@ -68,9 +68,7 @@ MODULE_VERSION("1.0.2"); static unsigned int setup_sg(struct scatterlist *sg, const void *address, unsigned int length) { - sg[0].page = virt_to_page(address); - sg[0].offset = offset_in_page(address); - sg[0].length = length; + sg_init_one(sg, address, length); return length; } diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 014dc2c..09440d7 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -64,8 +64,8 @@ #define DRV_MODULE_NAME "tg3" #define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "3.84" -#define DRV_MODULE_RELDATE "October 12, 2007" +#define DRV_MODULE_VERSION "3.85" +#define DRV_MODULE_RELDATE "October 18, 2007" #define TG3_DEF_MAC_MODE 0 #define TG3_DEF_RX_MODE 0 @@ -200,6 +200,7 @@ static struct pci_device_id tg3_pci_tbl[] = { {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)}, {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)}, {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)}, + {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723)}, {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)}, {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)}, {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)}, @@ -5028,10 +5029,7 @@ static int tg3_poll_fw(struct tg3 *tp) /* Save PCI command register before chip reset */ static void tg3_save_pci_state(struct tg3 *tp) { - u32 val; - - pci_read_config_dword(tp->pdev, TG3PCI_COMMAND, &val); - tp->pci_cmd = val; + pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd); } /* Restore PCI state after chip reset */ @@ -5054,7 +5052,7 @@ static void tg3_restore_pci_state(struct tg3 *tp) PCISTATE_ALLOW_APE_SHMEM_WR; pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val); - pci_write_config_dword(tp->pdev, TG3PCI_COMMAND, tp->pci_cmd); + pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd); if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) { pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, @@ -10820,9 +10818,24 @@ out_not_found: strcpy(tp->board_part_number, "none"); } +static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset) +{ + u32 val; + + if (tg3_nvram_read_swab(tp, offset, &val) || + (val & 0xfc000000) != 0x0c000000 || + tg3_nvram_read_swab(tp, offset + 4, &val) || + val != 0) + return 0; + + return 1; +} + static void __devinit tg3_read_fw_ver(struct tg3 *tp) { u32 val, offset, start; + u32 ver_offset; + int i, bcnt; if (tg3_nvram_read_swab(tp, 0, &val)) return; @@ -10835,29 +10848,71 @@ static void __devinit tg3_read_fw_ver(struct tg3 *tp) return; offset = tg3_nvram_logical_addr(tp, offset); - if (tg3_nvram_read_swab(tp, offset, &val)) + + if (!tg3_fw_img_is_valid(tp, offset) || + tg3_nvram_read_swab(tp, offset + 8, &ver_offset)) return; - if ((val & 0xfc000000) == 0x0c000000) { - u32 ver_offset, addr; - int i; + offset = offset + ver_offset - start; + for (i = 0; i < 16; i += 4) { + if (tg3_nvram_read(tp, offset + i, &val)) + return; - if (tg3_nvram_read_swab(tp, offset + 4, &val) || - tg3_nvram_read_swab(tp, offset + 8, &ver_offset)) + val = le32_to_cpu(val); + memcpy(tp->fw_ver + i, &val, 4); + } + + if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) || + (tp->tg3_flags & TG3_FLG3_ENABLE_APE)) + return; + + for (offset = TG3_NVM_DIR_START; + offset < TG3_NVM_DIR_END; + offset += TG3_NVM_DIRENT_SIZE) { + if (tg3_nvram_read_swab(tp, offset, &val)) return; - if (val != 0) + if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI) + break; + } + + if (offset == TG3_NVM_DIR_END) + return; + + if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) + start = 0x08000000; + else if (tg3_nvram_read_swab(tp, offset - 4, &start)) + return; + + if (tg3_nvram_read_swab(tp, offset + 4, &offset) || + !tg3_fw_img_is_valid(tp, offset) || + tg3_nvram_read_swab(tp, offset + 8, &val)) + return; + + offset += val - start; + + bcnt = strlen(tp->fw_ver); + + tp->fw_ver[bcnt++] = ','; + tp->fw_ver[bcnt++] = ' '; + + for (i = 0; i < 4; i++) { + if (tg3_nvram_read(tp, offset, &val)) return; - addr = offset + ver_offset - start; - for (i = 0; i < 16; i += 4) { - if (tg3_nvram_read(tp, addr + i, &val)) - return; + val = le32_to_cpu(val); + offset += sizeof(val); - val = cpu_to_le32(val); - memcpy(tp->fw_ver + i, &val, 4); + if (bcnt > TG3_VER_SIZE - sizeof(val)) { + memcpy(&tp->fw_ver[bcnt], &val, TG3_VER_SIZE - bcnt); + break; } + + memcpy(&tp->fw_ver[bcnt], &val, sizeof(val)); + bcnt += sizeof(val); } + + tp->fw_ver[TG3_VER_SIZE - 1] = 0; } static struct pci_dev * __devinit tg3_find_peer(struct tg3 *); diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index 6dbdad2..1d5b2a3 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -1540,6 +1540,12 @@ #define TG3_EEPROM_MAGIC_HW 0xabcd #define TG3_EEPROM_MAGIC_HW_MSK 0xffff +#define TG3_NVM_DIR_START 0x18 +#define TG3_NVM_DIR_END 0x78 +#define TG3_NVM_DIRENT_SIZE 0xc +#define TG3_NVM_DIRTYPE_SHIFT 24 +#define TG3_NVM_DIRTYPE_ASFINI 1 + /* 32K Window into NIC internal memory */ #define NIC_SRAM_WIN_BASE 0x00008000 @@ -2415,10 +2421,11 @@ struct tg3 { #define PHY_REV_BCM5411_X0 0x1 /* Found on Netgear GA302T */ u32 led_ctrl; - u32 pci_cmd; + u16 pci_cmd; char board_part_number[24]; - char fw_ver[16]; +#define TG3_VER_SIZE 32 + char fw_ver[TG3_VER_SIZE]; u32 nic_sram_data_cfg; u32 pci_clock_ctrl; struct pci_dev *pdev_peer; diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile index 006054a..5550556 100644 --- a/drivers/pci/Makefile +++ b/drivers/pci/Makefile @@ -20,6 +20,9 @@ obj-$(CONFIG_PCI_MSI) += msi.o # Build the Hypertransport interrupt support obj-$(CONFIG_HT_IRQ) += htirq.o +# Build Intel IOMMU support +obj-$(CONFIG_DMAR) += dmar.o iova.o intel-iommu.o + # # Some architectures use the generic PCI setup functions # diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c new file mode 100644 index 0000000..5dfdfda --- /dev/null +++ b/drivers/pci/dmar.c @@ -0,0 +1,329 @@ +/* + * Copyright (c) 2006, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + * + * Copyright (C) Ashok Raj <ashok.raj@intel.com> + * Copyright (C) Shaohua Li <shaohua.li@intel.com> + * Copyright (C) Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> + * + * This file implements early detection/parsing of DMA Remapping Devices + * reported to OS through BIOS via DMA remapping reporting (DMAR) ACPI + * tables. + */ + +#include <linux/pci.h> +#include <linux/dmar.h> + +#undef PREFIX +#define PREFIX "DMAR:" + +/* No locks are needed as DMA remapping hardware unit + * list is constructed at boot time and hotplug of + * these units are not supported by the architecture. + */ +LIST_HEAD(dmar_drhd_units); +LIST_HEAD(dmar_rmrr_units); + +static struct acpi_table_header * __initdata dmar_tbl; + +static void __init dmar_register_drhd_unit(struct dmar_drhd_unit *drhd) +{ + /* + * add INCLUDE_ALL at the tail, so scan the list will find it at + * the very end. + */ + if (drhd->include_all) + list_add_tail(&drhd->list, &dmar_drhd_units); + else + list_add(&drhd->list, &dmar_drhd_units); +} + +static void __init dmar_register_rmrr_unit(struct dmar_rmrr_unit *rmrr) +{ + list_add(&rmrr->list, &dmar_rmrr_units); +} + +static int __init dmar_parse_one_dev_scope(struct acpi_dmar_device_scope *scope, + struct pci_dev **dev, u16 segment) +{ + struct pci_bus *bus; + struct pci_dev *pdev = NULL; + struct acpi_dmar_pci_path *path; + int count; + + bus = pci_find_bus(segment, scope->bus); + path = (struct acpi_dmar_pci_path *)(scope + 1); + count = (scope->length - sizeof(struct acpi_dmar_device_scope)) + / sizeof(struct acpi_dmar_pci_path); + + while (count) { + if (pdev) + pci_dev_put(pdev); + /* + * Some BIOSes list non-exist devices in DMAR table, just + * ignore it + */ + if (!bus) { + printk(KERN_WARNING + PREFIX "Device scope bus [%d] not found\n", + scope->bus); + break; + } + pdev = pci_get_slot(bus, PCI_DEVFN(path->dev, path->fn)); + if (!pdev) { + printk(KERN_WARNING PREFIX + "Device scope device [%04x:%02x:%02x.%02x] not found\n", + segment, bus->number, path->dev, path->fn); + break; + } + path ++; + count --; + bus = pdev->subordinate; + } + if (!pdev) { + printk(KERN_WARNING PREFIX + "Device scope device [%04x:%02x:%02x.%02x] not found\n", + segment, scope->bus, path->dev, path->fn); + *dev = NULL; + return 0; + } + if ((scope->entry_type == ACPI_DMAR_SCOPE_TYPE_ENDPOINT && \ + pdev->subordinate) || (scope->entry_type == \ + ACPI_DMAR_SCOPE_TYPE_BRIDGE && !pdev->subordinate)) { + pci_dev_put(pdev); + printk(KERN_WARNING PREFIX + "Device scope type does not match for %s\n", + pci_name(pdev)); + return -EINVAL; + } + *dev = pdev; + return 0; +} + +static int __init dmar_parse_dev_scope(void *start, void *end, int *cnt, + struct pci_dev ***devices, u16 segment) +{ + struct acpi_dmar_device_scope *scope; + void * tmp = start; + int index; + int ret; + + *cnt = 0; + while (start < end) { + scope = start; + if (scope->entry_type == ACPI_DMAR_SCOPE_TYPE_ENDPOINT || + scope->entry_type == ACPI_DMAR_SCOPE_TYPE_BRIDGE) + (*cnt)++; + else + printk(KERN_WARNING PREFIX + "Unsupported device scope\n"); + start += scope->length; + } + if (*cnt == 0) + return 0; + + *devices = kcalloc(*cnt, sizeof(struct pci_dev *), GFP_KERNEL); + if (!*devices) + return -ENOMEM; + + start = tmp; + index = 0; + while (start < end) { + scope = start; + if (scope->entry_type == ACPI_DMAR_SCOPE_TYPE_ENDPOINT || + scope->entry_type == ACPI_DMAR_SCOPE_TYPE_BRIDGE) { + ret = dmar_parse_one_dev_scope(scope, + &(*devices)[index], segment); + if (ret) { + kfree(*devices); + return ret; + } + index ++; + } + start += scope->length; + } + + return 0; +} + +/** + * dmar_parse_one_drhd - parses exactly one DMA remapping hardware definition + * structure which uniquely represent one DMA remapping hardware unit + * present in the platform + */ +static int __init +dmar_parse_one_drhd(struct acpi_dmar_header *header) +{ + struct acpi_dmar_hardware_unit *drhd; + struct dmar_drhd_unit *dmaru; + int ret = 0; + static int include_all; + + dmaru = kzalloc(sizeof(*dmaru), GFP_KERNEL); + if (!dmaru) + return -ENOMEM; + + drhd = (struct acpi_dmar_hardware_unit *)header; + dmaru->reg_base_addr = drhd->address; + dmaru->include_all = drhd->flags & 0x1; /* BIT0: INCLUDE_ALL */ + + if (!dmaru->include_all) + ret = dmar_parse_dev_scope((void *)(drhd + 1), + ((void *)drhd) + header->length, + &dmaru->devices_cnt, &dmaru->devices, + drhd->segment); + else { + /* Only allow one INCLUDE_ALL */ + if (include_all) { + printk(KERN_WARNING PREFIX "Only one INCLUDE_ALL " + "device scope is allowed\n"); + ret = -EINVAL; + } + include_all = 1; + } + + if (ret || (dmaru->devices_cnt == 0 && !dmaru->include_all)) + kfree(dmaru); + else + dmar_register_drhd_unit(dmaru); + return ret; +} + +static int __init +dmar_parse_one_rmrr(struct acpi_dmar_header *header) +{ + struct acpi_dmar_reserved_memory *rmrr; + struct dmar_rmrr_unit *rmrru; + int ret = 0; + + rmrru = kzalloc(sizeof(*rmrru), GFP_KERNEL); + if (!rmrru) + return -ENOMEM; + + rmrr = (struct acpi_dmar_reserved_memory *)header; + rmrru->base_address = rmrr->base_address; + rmrru->end_address = rmrr->end_address; + ret = dmar_parse_dev_scope((void *)(rmrr + 1), + ((void *)rmrr) + header->length, + &rmrru->devices_cnt, &rmrru->devices, rmrr->segment); + + if (ret || (rmrru->devices_cnt == 0)) + kfree(rmrru); + else + dmar_register_rmrr_unit(rmrru); + return ret; +} + +static void __init +dmar_table_print_dmar_entry(struct acpi_dmar_header *header) +{ + struct acpi_dmar_hardware_unit *drhd; + struct acpi_dmar_reserved_memory *rmrr; + + switch (header->type) { + case ACPI_DMAR_TYPE_HARDWARE_UNIT: + drhd = (struct acpi_dmar_hardware_unit *)header; + printk (KERN_INFO PREFIX + "DRHD (flags: 0x%08x)base: 0x%016Lx\n", + drhd->flags, drhd->address); + break; + case ACPI_DMAR_TYPE_RESERVED_MEMORY: + rmrr = (struct acpi_dmar_reserved_memory *)header; + + printk (KERN_INFO PREFIX + "RMRR base: 0x%016Lx end: 0x%016Lx\n", + rmrr->base_address, rmrr->end_address); + break; + } +} + +/** + * parse_dmar_table - parses the DMA reporting table + */ +static int __init +parse_dmar_table(void) +{ + struct acpi_table_dmar *dmar; + struct acpi_dmar_header *entry_header; + int ret = 0; + + dmar = (struct acpi_table_dmar *)dmar_tbl; + if (!dmar) + return -ENODEV; + + if (!dmar->width) { + printk (KERN_WARNING PREFIX "Zero: Invalid DMAR haw\n"); + return -EINVAL; + } + + printk (KERN_INFO PREFIX "Host address width %d\n", + dmar->width + 1); + + entry_header = (struct acpi_dmar_header *)(dmar + 1); + while (((unsigned long)entry_header) < + (((unsigned long)dmar) + dmar_tbl->length)) { + dmar_table_print_dmar_entry(entry_header); + + switch (entry_header->type) { + case ACPI_DMAR_TYPE_HARDWARE_UNIT: + ret = dmar_parse_one_drhd(entry_header); + break; + case ACPI_DMAR_TYPE_RESERVED_MEMORY: + ret = dmar_parse_one_rmrr(entry_header); + break; + default: + printk(KERN_WARNING PREFIX + "Unknown DMAR structure type\n"); + ret = 0; /* for forward compatibility */ + break; + } + if (ret) + break; + + entry_header = ((void *)entry_header + entry_header->length); + } + return ret; +} + + +int __init dmar_table_init(void) +{ + + parse_dmar_table(); + if (list_empty(&dmar_drhd_units)) { + printk(KERN_INFO PREFIX "No DMAR devices found\n"); + return -ENODEV; + } + return 0; +} + +/** + * early_dmar_detect - checks to see if the platform supports DMAR devices + */ +int __init early_dmar_detect(void) +{ + acpi_status status = AE_OK; + + /* if we could find DMAR table, then there are DMAR devices */ + status = acpi_get_table(ACPI_SIG_DMAR, 0, + (struct acpi_table_header **)&dmar_tbl); + + if (ACPI_SUCCESS(status) && !dmar_tbl) { + printk (KERN_WARNING PREFIX "Unable to map DMAR\n"); + status = AE_NOT_FOUND; + } + + return (ACPI_SUCCESS(status) ? 1 : 0); +} diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c new file mode 100644 index 0000000..b3d7031 --- /dev/null +++ b/drivers/pci/intel-iommu.c @@ -0,0 +1,2271 @@ +/* + * Copyright (c) 2006, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + * + * Copyright (C) Ashok Raj <ashok.raj@intel.com> + * Copyright (C) Shaohua Li <shaohua.li@intel.com> + * Copyright (C) Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> + */ + +#include <linux/init.h> +#include <linux/bitmap.h> +#include <linux/slab.h> +#include <linux/irq.h> +#include <linux/interrupt.h> +#include <linux/sysdev.h> +#include <linux/spinlock.h> +#include <linux/pci.h> +#include <linux/dmar.h> +#include <linux/dma-mapping.h> +#include <linux/mempool.h> +#include "iova.h" +#include "intel-iommu.h" +#include <asm/proto.h> /* force_iommu in this header in x86-64*/ +#include <asm/cacheflush.h> +#include <asm/iommu.h> +#include "pci.h" + +#define IS_GFX_DEVICE(pdev) ((pdev->class >> 16) == PCI_BASE_CLASS_DISPLAY) +#define IS_ISA_DEVICE(pdev) ((pdev->class >> 8) == PCI_CLASS_BRIDGE_ISA) + +#define IOAPIC_RANGE_START (0xfee00000) +#define IOAPIC_RANGE_END (0xfeefffff) +#define IOVA_START_ADDR (0x1000) + +#define DEFAULT_DOMAIN_ADDRESS_WIDTH 48 + +#define DMAR_OPERATION_TIMEOUT (HZ*60) /* 1m */ + +#define DOMAIN_MAX_ADDR(gaw) ((((u64)1) << gaw) - 1) + +static void domain_remove_dev_info(struct dmar_domain *domain); + +static int dmar_disabled; +static int __initdata dmar_map_gfx = 1; +static int dmar_forcedac; + +#define DUMMY_DEVICE_DOMAIN_INFO ((struct device_domain_info *)(-1)) +static DEFINE_SPINLOCK(device_domain_lock); +static LIST_HEAD(device_domain_list); + +static int __init intel_iommu_setup(char *str) +{ + if (!str) + return -EINVAL; + while (*str) { + if (!strncmp(str, "off", 3)) { + dmar_disabled = 1; + printk(KERN_INFO"Intel-IOMMU: disabled\n"); + } else if (!strncmp(str, "igfx_off", 8)) { + dmar_map_gfx = 0; + printk(KERN_INFO + "Intel-IOMMU: disable GFX device mapping\n"); + } else if (!strncmp(str, "forcedac", 8)) { + printk (KERN_INFO + "Intel-IOMMU: Forcing DAC for PCI devices\n"); + dmar_forcedac = 1; + } + + str += strcspn(str, ","); + while (*str == ',') + str++; + } + return 0; +} +__setup("intel_iommu=", intel_iommu_setup); + +static struct kmem_cache *iommu_domain_cache; +static struct kmem_cache *iommu_devinfo_cache; +static struct kmem_cache *iommu_iova_cache; + +static inline void *iommu_kmem_cache_alloc(struct kmem_cache *cachep) +{ + unsigned int flags; + void *vaddr; + + /* trying to avoid low memory issues */ + flags = current->flags & PF_MEMALLOC; + current->flags |= PF_MEMALLOC; + vaddr = kmem_cache_alloc(cachep, GFP_ATOMIC); + current->flags &= (~PF_MEMALLOC | flags); + return vaddr; +} + + +static inline void *alloc_pgtable_page(void) +{ + unsigned int flags; + void *vaddr; + + /* trying to avoid low memory issues */ + flags = current->flags & PF_MEMALLOC; + current->flags |= PF_MEMALLOC; + vaddr = (void *)get_zeroed_page(GFP_ATOMIC); + current->flags &= (~PF_MEMALLOC | flags); + return vaddr; +} + +static inline void free_pgtable_page(void *vaddr) +{ + free_page((unsigned long)vaddr); +} + +static inline void *alloc_domain_mem(void) +{ + return iommu_kmem_cache_alloc(iommu_domain_cache); +} + +static inline void free_domain_mem(void *vaddr) +{ + kmem_cache_free(iommu_domain_cache, vaddr); +} + +static inline void * alloc_devinfo_mem(void) +{ + return iommu_kmem_cache_alloc(iommu_devinfo_cache); +} + +static inline void free_devinfo_mem(void *vaddr) +{ + kmem_cache_free(iommu_devinfo_cache, vaddr); +} + +struct iova *alloc_iova_mem(void) +{ + return iommu_kmem_cache_alloc(iommu_iova_cache); +} + +void free_iova_mem(struct iova *iova) +{ + kmem_cache_free(iommu_iova_cache, iova); +} + +static inline void __iommu_flush_cache( + struct intel_iommu *iommu, void *addr, int size) +{ + if (!ecap_coherent(iommu->ecap)) + clflush_cache_range(addr, size); +} + +/* Gets context entry for a given bus and devfn */ +static struct context_entry * device_to_context_entry(struct intel_iommu *iommu, + u8 bus, u8 devfn) +{ + struct root_entry *root; + struct context_entry *context; + unsigned long phy_addr; + unsigned long flags; + + spin_lock_irqsave(&iommu->lock, flags); + root = &iommu->root_entry[bus]; + context = get_context_addr_from_root(root); + if (!context) { + context = (struct context_entry *)alloc_pgtable_page(); + if (!context) { + spin_unlock_irqrestore(&iommu->lock, flags); + return NULL; + } + __iommu_flush_cache(iommu, (void *)context, PAGE_SIZE_4K); + phy_addr = virt_to_phys((void *)context); + set_root_value(root, phy_addr); + set_root_present(root); + __iommu_flush_cache(iommu, root, sizeof(*root)); + } + spin_unlock_irqrestore(&iommu->lock, flags); + return &context[devfn]; +} + +static int device_context_mapped(struct intel_iommu *iommu, u8 bus, u8 devfn) +{ + struct root_entry *root; + struct context_entry *context; + int ret; + unsigned long flags; + + spin_lock_irqsave(&iommu->lock, flags); + root = &iommu->root_entry[bus]; + context = get_context_addr_from_root(root); + if (!context) { + ret = 0; + goto out; + } + ret = context_present(context[devfn]); +out: + spin_unlock_irqrestore(&iommu->lock, flags); + return ret; +} + +static void clear_context_table(struct intel_iommu *iommu, u8 bus, u8 devfn) +{ + struct root_entry *root; + struct context_entry *context; + unsigned long flags; + + spin_lock_irqsave(&iommu->lock, flags); + root = &iommu->root_entry[bus]; + context = get_context_addr_from_root(root); + if (context) { + context_clear_entry(context[devfn]); + __iommu_flush_cache(iommu, &context[devfn], \ + sizeof(*context)); + } + spin_unlock_irqrestore(&iommu->lock, flags); +} + +static void free_context_table(struct intel_iommu *iommu) +{ + struct root_entry *root; + int i; + unsigned long flags; + struct context_entry *context; + + spin_lock_irqsave(&iommu->lock, flags); + if (!iommu->root_entry) { + goto out; + } + for (i = 0; i < ROOT_ENTRY_NR; i++) { + root = &iommu->root_entry[i]; + context = get_context_addr_from_root(root); + if (context) + free_pgtable_page(context); + } + free_pgtable_page(iommu->root_entry); + iommu->root_entry = NULL; +out: + spin_unlock_irqrestore(&iommu->lock, flags); +} + +/* page table handling */ +#define LEVEL_STRIDE (9) +#define LEVEL_MASK (((u64)1 << LEVEL_STRIDE) - 1) + +static inline int agaw_to_level(int agaw) +{ + return agaw + 2; +} + +static inline int agaw_to_width(int agaw) +{ + return 30 + agaw * LEVEL_STRIDE; + +} + +static inline int width_to_agaw(int width) +{ + return (width - 30) / LEVEL_STRIDE; +} + +static inline unsigned int level_to_offset_bits(int level) +{ + return (12 + (level - 1) * LEVEL_STRIDE); +} + +static inline int address_level_offset(u64 addr, int level) +{ + return ((addr >> level_to_offset_bits(level)) & LEVEL_MASK); +} + +static inline u64 level_mask(int level) +{ + return ((u64)-1 << level_to_offset_bits(level)); +} + +static inline u64 level_size(int level) +{ + return ((u64)1 << level_to_offset_bits(level)); +} + +static inline u64 align_to_level(u64 addr, int level) +{ + return ((addr + level_size(level) - 1) & level_mask(level)); +} + +static struct dma_pte * addr_to_dma_pte(struct dmar_domain *domain, u64 addr) +{ + int addr_width = agaw_to_width(domain->agaw); + struct dma_pte *parent, *pte = NULL; + int level = agaw_to_level(domain->agaw); + int offset; + unsigned long flags; + + BUG_ON(!domain->pgd); + + addr &= (((u64)1) << addr_width) - 1; + parent = domain->pgd; + + spin_lock_irqsave(&domain->mapping_lock, flags); + while (level > 0) { + void *tmp_page; + + offset = address_level_offset(addr, level); + pte = &parent[offset]; + if (level == 1) + break; + + if (!dma_pte_present(*pte)) { + tmp_page = alloc_pgtable_page(); + + if (!tmp_page) { + spin_unlock_irqrestore(&domain->mapping_lock, + flags); + return NULL; + } + __iommu_flush_cache(domain->iommu, tmp_page, + PAGE_SIZE_4K); + dma_set_pte_addr(*pte, virt_to_phys(tmp_page)); + /* + * high level table always sets r/w, last level page + * table control read/write + */ + dma_set_pte_readable(*pte); + dma_set_pte_writable(*pte); + __iommu_flush_cache(domain->iommu, pte, sizeof(*pte)); + } + parent = phys_to_virt(dma_pte_addr(*pte)); + level--; + } + + spin_unlock_irqrestore(&domain->mapping_lock, flags); + return pte; +} + +/* return address's pte at specific level */ +static struct dma_pte *dma_addr_level_pte(struct dmar_domain *domain, u64 addr, + int level) +{ + struct dma_pte *parent, *pte = NULL; + int total = agaw_to_level(domain->agaw); + int offset; + + parent = domain->pgd; + while (level <= total) { + offset = address_level_offset(addr, total); + pte = &parent[offset]; + if (level == total) + return pte; + + if (!dma_pte_present(*pte)) + break; + parent = phys_to_virt(dma_pte_addr(*pte)); + total--; + } + return NULL; +} + +/* clear one page's page table */ +static void dma_pte_clear_one(struct dmar_domain *domain, u64 addr) +{ + struct dma_pte *pte = NULL; + + /* get last level pte */ + pte = dma_addr_level_pte(domain, addr, 1); + + if (pte) { + dma_clear_pte(*pte); + __iommu_flush_cache(domain->iommu, pte, sizeof(*pte)); + } +} + +/* clear last level pte, a tlb flush should be followed */ +static void dma_pte_clear_range(struct dmar_domain *domain, u64 start, u64 end) +{ + int addr_width = agaw_to_width(domain->agaw); + + start &= (((u64)1) << addr_width) - 1; + end &= (((u64)1) << addr_width) - 1; + /* in case it's partial page */ + start = PAGE_ALIGN_4K(start); + end &= PAGE_MASK_4K; + + /* we don't need lock here, nobody else touches the iova range */ + while (start < end) { + dma_pte_clear_one(domain, start); + start += PAGE_SIZE_4K; + } +} + +/* free page table pages. last level pte should already be cleared */ +static void dma_pte_free_pagetable(struct dmar_domain *domain, + u64 start, u64 end) +{ + int addr_width = agaw_to_width(domain->agaw); + struct dma_pte *pte; + int total = agaw_to_level(domain->agaw); + int level; + u64 tmp; + + start &= (((u64)1) << addr_width) - 1; + end &= (((u64)1) << addr_width) - 1; + + /* we don't need lock here, nobody else touches the iova range */ + level = 2; + while (level <= total) { + tmp = align_to_level(start, level); + if (tmp >= end || (tmp + level_size(level) > end)) + return; + + while (tmp < end) { + pte = dma_addr_level_pte(domain, tmp, level); + if (pte) { + free_pgtable_page( + phys_to_virt(dma_pte_addr(*pte))); + dma_clear_pte(*pte); + __iommu_flush_cache(domain->iommu, + pte, sizeof(*pte)); + } + tmp += level_size(level); + } + level++; + } + /* free pgd */ + if (start == 0 && end >= ((((u64)1) << addr_width) - 1)) { + free_pgtable_page(domain->pgd); + domain->pgd = NULL; + } +} + +/* iommu handling */ +static int iommu_alloc_root_entry(struct intel_iommu *iommu) +{ + struct root_entry *root; + unsigned long flags; + + root = (struct root_entry *)alloc_pgtable_page(); + if (!root) + return -ENOMEM; + + __iommu_flush_cache(iommu, root, PAGE_SIZE_4K); + + spin_lock_irqsave(&iommu->lock, flags); + iommu->root_entry = root; + spin_unlock_irqrestore(&iommu->lock, flags); + + return 0; +} + +#define IOMMU_WAIT_OP(iommu, offset, op, cond, sts) \ +{\ + unsigned long start_time = jiffies;\ + while (1) {\ + sts = op (iommu->reg + offset);\ + if (cond)\ + break;\ + if (time_after(jiffies, start_time + DMAR_OPERATION_TIMEOUT))\ + panic("DMAR hardware is malfunctioning\n");\ + cpu_relax();\ + }\ +} + +static void iommu_set_root_entry(struct intel_iommu *iommu) +{ + void *addr; + u32 cmd, sts; + unsigned long flag; + + addr = iommu->root_entry; + + spin_lock_irqsave(&iommu->register_lock, flag); + dmar_writeq(iommu->reg + DMAR_RTADDR_REG, virt_to_phys(addr)); + + cmd = iommu->gcmd | DMA_GCMD_SRTP; + writel(cmd, iommu->reg + DMAR_GCMD_REG); + + /* Make sure hardware complete it */ + IOMMU_WAIT_OP(iommu, DMAR_GSTS_REG, + readl, (sts & DMA_GSTS_RTPS), sts); + + spin_unlock_irqrestore(&iommu->register_lock, flag); +} + +static void iommu_flush_write_buffer(struct intel_iommu *iommu) +{ + u32 val; + unsigned long flag; + + if (!cap_rwbf(iommu->cap)) + return; + val = iommu->gcmd | DMA_GCMD_WBF; + + spin_lock_irqsave(&iommu->register_lock, flag); + writel(val, iommu->reg + DMAR_GCMD_REG); + + /* Make sure hardware complete it */ + IOMMU_WAIT_OP(iommu, DMAR_GSTS_REG, + readl, (!(val & DMA_GSTS_WBFS)), val); + + spin_unlock_irqrestore(&iommu->register_lock, flag); +} + +/* return value determine if we need a write buffer flush */ +static int __iommu_flush_context(struct intel_iommu *iommu, + u16 did, u16 source_id, u8 function_mask, u64 type, + int non_present_entry_flush) +{ + u64 val = 0; + unsigned long flag; + + /* + * In the non-present entry flush case, if hardware doesn't cache + * non-present entry we do nothing and if hardware cache non-present + * entry, we flush entries of domain 0 (the domain id is used to cache + * any non-present entries) + */ + if (non_present_entry_flush) { + if (!cap_caching_mode(iommu->cap)) + return 1; + else + did = 0; + } + + switch (type) { + case DMA_CCMD_GLOBAL_INVL: + val = DMA_CCMD_GLOBAL_INVL; + break; + case DMA_CCMD_DOMAIN_INVL: + val = DMA_CCMD_DOMAIN_INVL|DMA_CCMD_DID(did); + break; + case DMA_CCMD_DEVICE_INVL: + val = DMA_CCMD_DEVICE_INVL|DMA_CCMD_DID(did) + | DMA_CCMD_SID(source_id) | DMA_CCMD_FM(function_mask); + break; + default: + BUG(); + } + val |= DMA_CCMD_ICC; + + spin_lock_irqsave(&iommu->register_lock, flag); + dmar_writeq(iommu->reg + DMAR_CCMD_REG, val); + + /* Make sure hardware complete it */ + IOMMU_WAIT_OP(iommu, DMAR_CCMD_REG, + dmar_readq, (!(val & DMA_CCMD_ICC)), val); + + spin_unlock_irqrestore(&iommu->register_lock, flag); + + /* flush context entry will implictly flush write buffer */ + return 0; +} + +static int inline iommu_flush_context_global(struct intel_iommu *iommu, + int non_present_entry_flush) +{ + return __iommu_flush_context(iommu, 0, 0, 0, DMA_CCMD_GLOBAL_INVL, + non_present_entry_flush); +} + +static int inline iommu_flush_context_domain(struct intel_iommu *iommu, u16 did, + int non_present_entry_flush) +{ + return __iommu_flush_context(iommu, did, 0, 0, DMA_CCMD_DOMAIN_INVL, + non_present_entry_flush); +} + +static int inline iommu_flush_context_device(struct intel_iommu *iommu, + u16 did, u16 source_id, u8 function_mask, int non_present_entry_flush) +{ + return __iommu_flush_context(iommu, did, source_id, function_mask, + DMA_CCMD_DEVICE_INVL, non_present_entry_flush); +} + +/* return value determine if we need a write buffer flush */ +static int __iommu_flush_iotlb(struct intel_iommu *iommu, u16 did, + u64 addr, unsigned int size_order, u64 type, + int non_present_entry_flush) +{ + int tlb_offset = ecap_iotlb_offset(iommu->ecap); + u64 val = 0, val_iva = 0; + unsigned long flag; + + /* + * In the non-present entry flush case, if hardware doesn't cache + * non-present entry we do nothing and if hardware cache non-present + * entry, we flush entries of domain 0 (the domain id is used to cache + * any non-present entries) + */ + if (non_present_entry_flush) { + if (!cap_caching_mode(iommu->cap)) + return 1; + else + did = 0; + } + + switch (type) { + case DMA_TLB_GLOBAL_FLUSH: + /* global flush doesn't need set IVA_REG */ + val = DMA_TLB_GLOBAL_FLUSH|DMA_TLB_IVT; + break; + case DMA_TLB_DSI_FLUSH: + val = DMA_TLB_DSI_FLUSH|DMA_TLB_IVT|DMA_TLB_DID(did); + break; + case DMA_TLB_PSI_FLUSH: + val = DMA_TLB_PSI_FLUSH|DMA_TLB_IVT|DMA_TLB_DID(did); + /* Note: always flush non-leaf currently */ + val_iva = size_order | addr; + break; + default: + BUG(); + } + /* Note: set drain read/write */ +#if 0 + /* + * This is probably to be super secure.. Looks like we can + * ignore it without any impact. + */ + if (cap_read_drain(iommu->cap)) + val |= DMA_TLB_READ_DRAIN; +#endif + if (cap_write_drain(iommu->cap)) + val |= DMA_TLB_WRITE_DRAIN; + + spin_lock_irqsave(&iommu->register_lock, flag); + /* Note: Only uses first TLB reg currently */ + if (val_iva) + dmar_writeq(iommu->reg + tlb_offset, val_iva); + dmar_writeq(iommu->reg + tlb_offset + 8, val); + + /* Make sure hardware complete it */ + IOMMU_WAIT_OP(iommu, tlb_offset + 8, + dmar_readq, (!(val & DMA_TLB_IVT)), val); + + spin_unlock_irqrestore(&iommu->register_lock, flag); + + /* check IOTLB invalidation granularity */ + if (DMA_TLB_IAIG(val) == 0) + printk(KERN_ERR"IOMMU: flush IOTLB failed\n"); + if (DMA_TLB_IAIG(val) != DMA_TLB_IIRG(type)) + pr_debug("IOMMU: tlb flush request %Lx, actual %Lx\n", + DMA_TLB_IIRG(type), DMA_TLB_IAIG(val)); + /* flush context entry will implictly flush write buffer */ + return 0; +} + +static int inline iommu_flush_iotlb_global(struct intel_iommu *iommu, + int non_present_entry_flush) +{ + return __iommu_flush_iotlb(iommu, 0, 0, 0, DMA_TLB_GLOBAL_FLUSH, + non_present_entry_flush); +} + +static int inline iommu_flush_iotlb_dsi(struct intel_iommu *iommu, u16 did, + int non_present_entry_flush) +{ + return __iommu_flush_iotlb(iommu, did, 0, 0, DMA_TLB_DSI_FLUSH, + non_present_entry_flush); +} + +static int iommu_flush_iotlb_psi(struct intel_iommu *iommu, u16 did, + u64 addr, unsigned int pages, int non_present_entry_flush) +{ + unsigned int mask; + + BUG_ON(addr & (~PAGE_MASK_4K)); + BUG_ON(pages == 0); + + /* Fallback to domain selective flush if no PSI support */ + if (!cap_pgsel_inv(iommu->cap)) + return iommu_flush_iotlb_dsi(iommu, did, + non_present_entry_flush); + + /* + * PSI requires page size to be 2 ^ x, and the base address is naturally + * aligned to the size + */ + mask = ilog2(__roundup_pow_of_two(pages)); + /* Fallback to domain selective flush if size is too big */ + if (mask > cap_max_amask_val(iommu->cap)) + return iommu_flush_iotlb_dsi(iommu, did, + non_present_entry_flush); + + return __iommu_flush_iotlb(iommu, did, addr, mask, + DMA_TLB_PSI_FLUSH, non_present_entry_flush); +} + +static int iommu_enable_translation(struct intel_iommu *iommu) +{ + u32 sts; + unsigned long flags; + + spin_lock_irqsave(&iommu->register_lock, flags); + writel(iommu->gcmd|DMA_GCMD_TE, iommu->reg + DMAR_GCMD_REG); + + /* Make sure hardware complete it */ + IOMMU_WAIT_OP(iommu, DMAR_GSTS_REG, + readl, (sts & DMA_GSTS_TES), sts); + + iommu->gcmd |= DMA_GCMD_TE; + spin_unlock_irqrestore(&iommu->register_lock, flags); + return 0; +} + +static int iommu_disable_translation(struct intel_iommu *iommu) +{ + u32 sts; + unsigned long flag; + + spin_lock_irqsave(&iommu->register_lock, flag); + iommu->gcmd &= ~DMA_GCMD_TE; + writel(iommu->gcmd, iommu->reg + DMAR_GCMD_REG); + + /* Make sure hardware complete it */ + IOMMU_WAIT_OP(iommu, DMAR_GSTS_REG, + readl, (!(sts & DMA_GSTS_TES)), sts); + + spin_unlock_irqrestore(&iommu->register_lock, flag); + return 0; +} + +/* iommu interrupt handling. Most stuff are MSI-like. */ + +static char *fault_reason_strings[] = +{ + "Software", + "Present bit in root entry is clear", + "Present bit in context entry is clear", + "Invalid context entry", + "Access beyond MGAW", + "PTE Write access is not set", + "PTE Read access is not set", + "Next page table ptr is invalid", + "Root table address invalid", + "Context table ptr is invalid", + "non-zero reserved fields in RTP", + "non-zero reserved fields in CTP", + "non-zero reserved fields in PTE", + "Unknown" +}; +#define MAX_FAULT_REASON_IDX ARRAY_SIZE(fault_reason_strings) + +char *dmar_get_fault_reason(u8 fault_reason) +{ + if (fault_reason > MAX_FAULT_REASON_IDX) + return fault_reason_strings[MAX_FAULT_REASON_IDX]; + else + return fault_reason_strings[fault_reason]; +} + +void dmar_msi_unmask(unsigned int irq) +{ + struct intel_iommu *iommu = get_irq_data(irq); + unsigned long flag; + + /* unmask it */ + spin_lock_irqsave(&iommu->register_lock, flag); + writel(0, iommu->reg + DMAR_FECTL_REG); + /* Read a reg to force flush the post write */ + readl(iommu->reg + DMAR_FECTL_REG); + spin_unlock_irqrestore(&iommu->register_lock, flag); +} + +void dmar_msi_mask(unsigned int irq) +{ + unsigned long flag; + struct intel_iommu *iommu = get_irq_data(irq); + + /* mask it */ + spin_lock_irqsave(&iommu->register_lock, flag); + writel(DMA_FECTL_IM, iommu->reg + DMAR_FECTL_REG); + /* Read a reg to force flush the post write */ + readl(iommu->reg + DMAR_FECTL_REG); + spin_unlock_irqrestore(&iommu->register_lock, flag); +} + +void dmar_msi_write(int irq, struct msi_msg *msg) +{ + struct intel_iommu *iommu = get_irq_data(irq); + unsigned long flag; + + spin_lock_irqsave(&iommu->register_lock, flag); + writel(msg->data, iommu->reg + DMAR_FEDATA_REG); + writel(msg->address_lo, iommu->reg + DMAR_FEADDR_REG); + writel(msg->address_hi, iommu->reg + DMAR_FEUADDR_REG); + spin_unlock_irqrestore(&iommu->register_lock, flag); +} + +void dmar_msi_read(int irq, struct msi_msg *msg) +{ + struct intel_iommu *iommu = get_irq_data(irq); + unsigned long flag; + + spin_lock_irqsave(&iommu->register_lock, flag); + msg->data = readl(iommu->reg + DMAR_FEDATA_REG); + msg->address_lo = readl(iommu->reg + DMAR_FEADDR_REG); + msg->address_hi = readl(iommu->reg + DMAR_FEUADDR_REG); + spin_unlock_irqrestore(&iommu->register_lock, flag); +} + +static int iommu_page_fault_do_one(struct intel_iommu *iommu, int type, + u8 fault_reason, u16 source_id, u64 addr) +{ + char *reason; + + reason = dmar_get_fault_reason(fault_reason); + + printk(KERN_ERR + "DMAR:[%s] Request device [%02x:%02x.%d] " + "fault addr %llx \n" + "DMAR:[fault reason %02d] %s\n", + (type ? "DMA Read" : "DMA Write"), + (source_id >> 8), PCI_SLOT(source_id & 0xFF), + PCI_FUNC(source_id & 0xFF), addr, fault_reason, reason); + return 0; +} + +#define PRIMARY_FAULT_REG_LEN (16) +static irqreturn_t iommu_page_fault(int irq, void *dev_id) +{ + struct intel_iommu *iommu = dev_id; + int reg, fault_index; + u32 fault_status; + unsigned long flag; + + spin_lock_irqsave(&iommu->register_lock, flag); + fault_status = readl(iommu->reg + DMAR_FSTS_REG); + + /* TBD: ignore advanced fault log currently */ + if (!(fault_status & DMA_FSTS_PPF)) + goto clear_overflow; + + fault_index = dma_fsts_fault_record_index(fault_status); + reg = cap_fault_reg_offset(iommu->cap); + while (1) { + u8 fault_reason; + u16 source_id; + u64 guest_addr; + int type; + u32 data; + + /* highest 32 bits */ + data = readl(iommu->reg + reg + + fault_index * PRIMARY_FAULT_REG_LEN + 12); + if (!(data & DMA_FRCD_F)) + break; + + fault_reason = dma_frcd_fault_reason(data); + type = dma_frcd_type(data); + + data = readl(iommu->reg + reg + + fault_index * PRIMARY_FAULT_REG_LEN + 8); + source_id = dma_frcd_source_id(data); + + guest_addr = dmar_readq(iommu->reg + reg + + fault_index * PRIMARY_FAULT_REG_LEN); + guest_addr = dma_frcd_page_addr(guest_addr); + /* clear the fault */ + writel(DMA_FRCD_F, iommu->reg + reg + + fault_index * PRIMARY_FAULT_REG_LEN + 12); + + spin_unlock_irqrestore(&iommu->register_lock, flag); + + iommu_page_fault_do_one(iommu, type, fault_reason, + source_id, guest_addr); + + fault_index++; + if (fault_index > cap_num_fault_regs(iommu->cap)) + fault_index = 0; + spin_lock_irqsave(&iommu->register_lock, flag); + } +clear_overflow: + /* clear primary fault overflow */ + fault_status = readl(iommu->reg + DMAR_FSTS_REG); + if (fault_status & DMA_FSTS_PFO) + writel(DMA_FSTS_PFO, iommu->reg + DMAR_FSTS_REG); + + spin_unlock_irqrestore(&iommu->register_lock, flag); + return IRQ_HANDLED; +} + +int dmar_set_interrupt(struct intel_iommu *iommu) +{ + int irq, ret; + + irq = create_irq(); + if (!irq) { + printk(KERN_ERR "IOMMU: no free vectors\n"); + return -EINVAL; + } + + set_irq_data(irq, iommu); + iommu->irq = irq; + + ret = arch_setup_dmar_msi(irq); + if (ret) { + set_irq_data(irq, NULL); + iommu->irq = 0; + destroy_irq(irq); + return 0; + } + + /* Force fault register is cleared */ + iommu_page_fault(irq, iommu); + + ret = request_irq(irq, iommu_page_fault, 0, iommu->name, iommu); + if (ret) + printk(KERN_ERR "IOMMU: can't request irq\n"); + return ret; +} + +static int iommu_init_domains(struct intel_iommu *iommu) +{ + unsigned long ndomains; + unsigned long nlongs; + + ndomains = cap_ndoms(iommu->cap); + pr_debug("Number of Domains supportd <%ld>\n", ndomains); + nlongs = BITS_TO_LONGS(ndomains); + + /* TBD: there might be 64K domains, + * consider other allocation for future chip + */ + iommu->domain_ids = kcalloc(nlongs, sizeof(unsigned long), GFP_KERNEL); + if (!iommu->domain_ids) { + printk(KERN_ERR "Allocating domain id array failed\n"); + return -ENOMEM; + } + iommu->domains = kcalloc(ndomains, sizeof(struct dmar_domain *), + GFP_KERNEL); + if (!iommu->domains) { + printk(KERN_ERR "Allocating domain array failed\n"); + kfree(iommu->domain_ids); + return -ENOMEM; + } + + /* + * if Caching mode is set, then invalid translations are tagged + * with domainid 0. Hence we need to pre-allocate it. + */ + if (cap_caching_mode(iommu->cap)) + set_bit(0, iommu->domain_ids); + return 0; +} + +static struct intel_iommu *alloc_iommu(struct dmar_drhd_unit *drhd) +{ + struct intel_iommu *iommu; + int ret; + int map_size; + u32 ver; + + iommu = kzalloc(sizeof(*iommu), GFP_KERNEL); + if (!iommu) + return NULL; + iommu->reg = ioremap(drhd->reg_base_addr, PAGE_SIZE_4K); + if (!iommu->reg) { + printk(KERN_ERR "IOMMU: can't map the region\n"); + goto error; + } + iommu->cap = dmar_readq(iommu->reg + DMAR_CAP_REG); + iommu->ecap = dmar_readq(iommu->reg + DMAR_ECAP_REG); + + /* the registers might be more than one page */ + map_size = max_t(int, ecap_max_iotlb_offset(iommu->ecap), + cap_max_fault_reg_offset(iommu->cap)); + map_size = PAGE_ALIGN_4K(map_size); + if (map_size > PAGE_SIZE_4K) { + iounmap(iommu->reg); + iommu->reg = ioremap(drhd->reg_base_addr, map_size); + if (!iommu->reg) { + printk(KERN_ERR "IOMMU: can't map the region\n"); + goto error; + } + } + + ver = readl(iommu->reg + DMAR_VER_REG); + pr_debug("IOMMU %llx: ver %d:%d cap %llx ecap %llx\n", + drhd->reg_base_addr, DMAR_VER_MAJOR(ver), DMAR_VER_MINOR(ver), + iommu->cap, iommu->ecap); + ret = iommu_init_domains(iommu); + if (ret) + goto error_unmap; + spin_lock_init(&iommu->lock); + spin_lock_init(&iommu->register_lock); + + drhd->iommu = iommu; + return iommu; +error_unmap: + iounmap(iommu->reg); + iommu->reg = 0; +error: + kfree(iommu); + return NULL; +} + +static void domain_exit(struct dmar_domain *domain); +static void free_iommu(struct intel_iommu *iommu) +{ + struct dmar_domain *domain; + int i; + + if (!iommu) + return; + + i = find_first_bit(iommu->domain_ids, cap_ndoms(iommu->cap)); + for (; i < cap_ndoms(iommu->cap); ) { + domain = iommu->domains[i]; + clear_bit(i, iommu->domain_ids); + domain_exit(domain); + i = find_next_bit(iommu->domain_ids, + cap_ndoms(iommu->cap), i+1); + } + + if (iommu->gcmd & DMA_GCMD_TE) + iommu_disable_translation(iommu); + + if (iommu->irq) { + set_irq_data(iommu->irq, NULL); + /* This will mask the irq */ + free_irq(iommu->irq, iommu); + destroy_irq(iommu->irq); + } + + kfree(iommu->domains); + kfree(iommu->domain_ids); + + /* free context mapping */ + free_context_table(iommu); + + if (iommu->reg) + iounmap(iommu->reg); + kfree(iommu); +} + +static struct dmar_domain * iommu_alloc_domain(struct intel_iommu *iommu) +{ + unsigned long num; + unsigned long ndomains; + struct dmar_domain *domain; + unsigned long flags; + + domain = alloc_domain_mem(); + if (!domain) + return NULL; + + ndomains = cap_ndoms(iommu->cap); + + spin_lock_irqsave(&iommu->lock, flags); + num = find_first_zero_bit(iommu->domain_ids, ndomains); + if (num >= ndomains) { + spin_unlock_irqrestore(&iommu->lock, flags); + free_domain_mem(domain); + printk(KERN_ERR "IOMMU: no free domain ids\n"); + return NULL; + } + + set_bit(num, iommu->domain_ids); + domain->id = num; + domain->iommu = iommu; + iommu->domains[num] = domain; + spin_unlock_irqrestore(&iommu->lock, flags); + + return domain; +} + +static void iommu_free_domain(struct dmar_domain *domain) +{ + unsigned long flags; + + spin_lock_irqsave(&domain->iommu->lock, flags); + clear_bit(domain->id, domain->iommu->domain_ids); + spin_unlock_irqrestore(&domain->iommu->lock, flags); +} + +static struct iova_domain reserved_iova_list; + +static void dmar_init_reserved_ranges(void) +{ + struct pci_dev *pdev = NULL; + struct iova *iova; + int i; + u64 addr, size; + + init_iova_domain(&reserved_iova_list); + + /* IOAPIC ranges shouldn't be accessed by DMA */ + iova = reserve_iova(&reserved_iova_list, IOVA_PFN(IOAPIC_RANGE_START), + IOVA_PFN(IOAPIC_RANGE_END)); + if (!iova) + printk(KERN_ERR "Reserve IOAPIC range failed\n"); + + /* Reserve all PCI MMIO to avoid peer-to-peer access */ + for_each_pci_dev(pdev) { + struct resource *r; + + for (i = 0; i < PCI_NUM_RESOURCES; i++) { + r = &pdev->resource[i]; + if (!r->flags || !(r->flags & IORESOURCE_MEM)) + continue; + addr = r->start; + addr &= PAGE_MASK_4K; + size = r->end - addr; + size = PAGE_ALIGN_4K(size); + iova = reserve_iova(&reserved_iova_list, IOVA_PFN(addr), + IOVA_PFN(size + addr) - 1); + if (!iova) + printk(KERN_ERR "Reserve iova failed\n"); + } + } + +} + +static void domain_reserve_special_ranges(struct dmar_domain *domain) +{ + copy_reserved_iova(&reserved_iova_list, &domain->iovad); +} + +static inline int guestwidth_to_adjustwidth(int gaw) +{ + int agaw; + int r = (gaw - 12) % 9; + + if (r == 0) + agaw = gaw; + else + agaw = gaw + 9 - r; + if (agaw > 64) + agaw = 64; + return agaw; +} + +static int domain_init(struct dmar_domain *domain, int guest_width) +{ + struct intel_iommu *iommu; + int adjust_width, agaw; + unsigned long sagaw; + + init_iova_domain(&domain->iovad); + spin_lock_init(&domain->mapping_lock); + + domain_reserve_special_ranges(domain); + + /* calculate AGAW */ + iommu = domain->iommu; + if (guest_width > cap_mgaw(iommu->cap)) + guest_width = cap_mgaw(iommu->cap); + domain->gaw = guest_width; + adjust_width = guestwidth_to_adjustwidth(guest_width); + agaw = width_to_agaw(adjust_width); + sagaw = cap_sagaw(iommu->cap); + if (!test_bit(agaw, &sagaw)) { + /* hardware doesn't support it, choose a bigger one */ + pr_debug("IOMMU: hardware doesn't support agaw %d\n", agaw); + agaw = find_next_bit(&sagaw, 5, agaw); + if (agaw >= 5) + return -ENODEV; + } + domain->agaw = agaw; + INIT_LIST_HEAD(&domain->devices); + + /* always allocate the top pgd */ + domain->pgd = (struct dma_pte *)alloc_pgtable_page(); + if (!domain->pgd) + return -ENOMEM; + __iommu_flush_cache(iommu, domain->pgd, PAGE_SIZE_4K); + return 0; +} + +static void domain_exit(struct dmar_domain *domain) +{ + u64 end; + + /* Domain 0 is reserved, so dont process it */ + if (!domain) + return; + + domain_remove_dev_info(domain); + /* destroy iovas */ + put_iova_domain(&domain->iovad); + end = DOMAIN_MAX_ADDR(domain->gaw); + end = end & (~PAGE_MASK_4K); + + /* clear ptes */ + dma_pte_clear_range(domain, 0, end); + + /* free page tables */ + dma_pte_free_pagetable(domain, 0, end); + + iommu_free_domain(domain); + free_domain_mem(domain); +} + +static int domain_context_mapping_one(struct dmar_domain *domain, + u8 bus, u8 devfn) +{ + struct context_entry *context; + struct intel_iommu *iommu = domain->iommu; + unsigned long flags; + + pr_debug("Set context mapping for %02x:%02x.%d\n", + bus, PCI_SLOT(devfn), PCI_FUNC(devfn)); + BUG_ON(!domain->pgd); + context = device_to_context_entry(iommu, bus, devfn); + if (!context) + return -ENOMEM; + spin_lock_irqsave(&iommu->lock, flags); + if (context_present(*context)) { + spin_unlock_irqrestore(&iommu->lock, flags); + return 0; + } + + context_set_domain_id(*context, domain->id); + context_set_address_width(*context, domain->agaw); + context_set_address_root(*context, virt_to_phys(domain->pgd)); + context_set_translation_type(*context, CONTEXT_TT_MULTI_LEVEL); + context_set_fault_enable(*context); + context_set_present(*context); + __iommu_flush_cache(iommu, context, sizeof(*context)); + + /* it's a non-present to present mapping */ + if (iommu_flush_context_device(iommu, domain->id, + (((u16)bus) << 8) | devfn, DMA_CCMD_MASK_NOBIT, 1)) + iommu_flush_write_buffer(iommu); + else + iommu_flush_iotlb_dsi(iommu, 0, 0); + spin_unlock_irqrestore(&iommu->lock, flags); + return 0; +} + +static int +domain_context_mapping(struct dmar_domain *domain, struct pci_dev *pdev) +{ + int ret; + struct pci_dev *tmp, *parent; + + ret = domain_context_mapping_one(domain, pdev->bus->number, + pdev->devfn); + if (ret) + return ret; + + /* dependent device mapping */ + tmp = pci_find_upstream_pcie_bridge(pdev); + if (!tmp) + return 0; + /* Secondary interface's bus number and devfn 0 */ + parent = pdev->bus->self; + while (parent != tmp) { + ret = domain_context_mapping_one(domain, parent->bus->number, + parent->devfn); + if (ret) + return ret; + parent = parent->bus->self; + } + if (tmp->is_pcie) /* this is a PCIE-to-PCI bridge */ + return domain_context_mapping_one(domain, + tmp->subordinate->number, 0); + else /* this is a legacy PCI bridge */ + return domain_context_mapping_one(domain, + tmp->bus->number, tmp->devfn); +} + +static int domain_context_mapped(struct dmar_domain *domain, + struct pci_dev *pdev) +{ + int ret; + struct pci_dev *tmp, *parent; + + ret = device_context_mapped(domain->iommu, + pdev->bus->number, pdev->devfn); + if (!ret) + return ret; + /* dependent device mapping */ + tmp = pci_find_upstream_pcie_bridge(pdev); + if (!tmp) + return ret; + /* Secondary interface's bus number and devfn 0 */ + parent = pdev->bus->self; + while (parent != tmp) { + ret = device_context_mapped(domain->iommu, parent->bus->number, + parent->devfn); + if (!ret) + return ret; + parent = parent->bus->self; + } + if (tmp->is_pcie) + return device_context_mapped(domain->iommu, + tmp->subordinate->number, 0); + else + return device_context_mapped(domain->iommu, + tmp->bus->number, tmp->devfn); +} + +static int +domain_page_mapping(struct dmar_domain *domain, dma_addr_t iova, + u64 hpa, size_t size, int prot) +{ + u64 start_pfn, end_pfn; + struct dma_pte *pte; + int index; + + if ((prot & (DMA_PTE_READ|DMA_PTE_WRITE)) == 0) + return -EINVAL; + iova &= PAGE_MASK_4K; + start_pfn = ((u64)hpa) >> PAGE_SHIFT_4K; + end_pfn = (PAGE_ALIGN_4K(((u64)hpa) + size)) >> PAGE_SHIFT_4K; + index = 0; + while (start_pfn < end_pfn) { + pte = addr_to_dma_pte(domain, iova + PAGE_SIZE_4K * index); + if (!pte) + return -ENOMEM; + /* We don't need lock here, nobody else + * touches the iova range + */ + BUG_ON(dma_pte_addr(*pte)); + dma_set_pte_addr(*pte, start_pfn << PAGE_SHIFT_4K); + dma_set_pte_prot(*pte, prot); + __iommu_flush_cache(domain->iommu, pte, sizeof(*pte)); + start_pfn++; + index++; + } + return 0; +} + +static void detach_domain_for_dev(struct dmar_domain *domain, u8 bus, u8 devfn) +{ + clear_context_table(domain->iommu, bus, devfn); + iommu_flush_context_global(domain->iommu, 0); + iommu_flush_iotlb_global(domain->iommu, 0); +} + +static void domain_remove_dev_info(struct dmar_domain *domain) +{ + struct device_domain_info *info; + unsigned long flags; + + spin_lock_irqsave(&device_domain_lock, flags); + while (!list_empty(&domain->devices)) { + info = list_entry(domain->devices.next, + struct device_domain_info, link); + list_del(&info->link); + list_del(&info->global); + if (info->dev) + info->dev->dev.archdata.iommu = NULL; + spin_unlock_irqrestore(&device_domain_lock, flags); + + detach_domain_for_dev(info->domain, info->bus, info->devfn); + free_devinfo_mem(info); + + spin_lock_irqsave(&device_domain_lock, flags); + } + spin_unlock_irqrestore(&device_domain_lock, flags); +} + +/* + * find_domain + * Note: we use struct pci_dev->dev.archdata.iommu stores the info + */ +struct dmar_domain * +find_domain(struct pci_dev *pdev) +{ + struct device_domain_info *info; + + /* No lock here, assumes no domain exit in normal case */ + info = pdev->dev.archdata.iommu; + if (info) + return info->domain; + return NULL; +} + +static int dmar_pci_device_match(struct pci_dev *devices[], int cnt, + struct pci_dev *dev) +{ + int index; + + while (dev) { + for (index = 0; index < cnt; index ++) + if (dev == devices[index]) + return 1; + + /* Check our parent */ + dev = dev->bus->self; + } + + return 0; +} + +static struct dmar_drhd_unit * +dmar_find_matched_drhd_unit(struct pci_dev *dev) +{ + struct dmar_drhd_unit *drhd = NULL; + + list_for_each_entry(drhd, &dmar_drhd_units, list) { + if (drhd->include_all || dmar_pci_device_match(drhd->devices, + drhd->devices_cnt, dev)) + return drhd; + } + + return NULL; +} + +/* domain is initialized */ +static struct dmar_domain *get_domain_for_dev(struct pci_dev *pdev, int gaw) +{ + struct dmar_domain *domain, *found = NULL; + struct intel_iommu *iommu; + struct dmar_drhd_unit *drhd; + struct device_domain_info *info, *tmp; + struct pci_dev *dev_tmp; + unsigned long flags; + int bus = 0, devfn = 0; + + domain = find_domain(pdev); + if (domain) + return domain; + + dev_tmp = pci_find_upstream_pcie_bridge(pdev); + if (dev_tmp) { + if (dev_tmp->is_pcie) { + bus = dev_tmp->subordinate->number; + devfn = 0; + } else { + bus = dev_tmp->bus->number; + devfn = dev_tmp->devfn; + } + spin_lock_irqsave(&device_domain_lock, flags); + list_for_each_entry(info, &device_domain_list, global) { + if (info->bus == bus && info->devfn == devfn) { + found = info->domain; + break; + } + } + spin_unlock_irqrestore(&device_domain_lock, flags); + /* pcie-pci bridge already has a domain, uses it */ + if (found) { + domain = found; + goto found_domain; + } + } + + /* Allocate new domain for the device */ + drhd = dmar_find_matched_drhd_unit(pdev); + if (!drhd) { + printk(KERN_ERR "IOMMU: can't find DMAR for device %s\n", + pci_name(pdev)); + return NULL; + } + iommu = drhd->iommu; + + domain = iommu_alloc_domain(iommu); + if (!domain) + goto error; + + if (domain_init(domain, gaw)) { + domain_exit(domain); + goto error; + } + + /* register pcie-to-pci device */ + if (dev_tmp) { + info = alloc_devinfo_mem(); + if (!info) { + domain_exit(domain); + goto error; + } + info->bus = bus; + info->devfn = devfn; + info->dev = NULL; + info->domain = domain; + /* This domain is shared by devices under p2p bridge */ + domain->flags |= DOMAIN_FLAG_MULTIPLE_DEVICES; + + /* pcie-to-pci bridge already has a domain, uses it */ + found = NULL; + spin_lock_irqsave(&device_domain_lock, flags); + list_for_each_entry(tmp, &device_domain_list, global) { + if (tmp->bus == bus && tmp->devfn == devfn) { + found = tmp->domain; + break; + } + } + if (found) { + free_devinfo_mem(info); + domain_exit(domain); + domain = found; + } else { + list_add(&info->link, &domain->devices); + list_add(&info->global, &device_domain_list); + } + spin_unlock_irqrestore(&device_domain_lock, flags); + } + +found_domain: + info = alloc_devinfo_mem(); + if (!info) + goto error; + info->bus = pdev->bus->number; + info->devfn = pdev->devfn; + info->dev = pdev; + info->domain = domain; + spin_lock_irqsave(&device_domain_lock, flags); + /* somebody is fast */ + found = find_domain(pdev); + if (found != NULL) { + spin_unlock_irqrestore(&device_domain_lock, flags); + if (found != domain) { + domain_exit(domain); + domain = found; + } + free_devinfo_mem(info); + return domain; + } + list_add(&info->link, &domain->devices); + list_add(&info->global, &device_domain_list); + pdev->dev.archdata.iommu = info; + spin_unlock_irqrestore(&device_domain_lock, flags); + return domain; +error: + /* recheck it here, maybe others set it */ + return find_domain(pdev); +} + +static int iommu_prepare_identity_map(struct pci_dev *pdev, u64 start, u64 end) +{ + struct dmar_domain *domain; + unsigned long size; + u64 base; + int ret; + + printk(KERN_INFO + "IOMMU: Setting identity map for device %s [0x%Lx - 0x%Lx]\n", + pci_name(pdev), start, end); + /* page table init */ + domain = get_domain_for_dev(pdev, DEFAULT_DOMAIN_ADDRESS_WIDTH); + if (!domain) + return -ENOMEM; + + /* The address might not be aligned */ + base = start & PAGE_MASK_4K; + size = end - base; + size = PAGE_ALIGN_4K(size); + if (!reserve_iova(&domain->iovad, IOVA_PFN(base), + IOVA_PFN(base + size) - 1)) { + printk(KERN_ERR "IOMMU: reserve iova failed\n"); + ret = -ENOMEM; + goto error; + } + + pr_debug("Mapping reserved region %lx@%llx for %s\n", + size, base, pci_name(pdev)); + /* + * RMRR range might have overlap with physical memory range, + * clear it first + */ + dma_pte_clear_range(domain, base, base + size); + + ret = domain_page_mapping(domain, base, base, size, + DMA_PTE_READ|DMA_PTE_WRITE); + if (ret) + goto error; + + /* context entry init */ + ret = domain_context_mapping(domain, pdev); + if (!ret) + return 0; +error: + domain_exit(domain); + return ret; + +} + +static inline int iommu_prepare_rmrr_dev(struct dmar_rmrr_unit *rmrr, + struct pci_dev *pdev) +{ + if (pdev->dev.archdata.iommu == DUMMY_DEVICE_DOMAIN_INFO) + return 0; + return iommu_prepare_identity_map(pdev, rmrr->base_address, + rmrr->end_address + 1); +} + +#ifdef CONFIG_DMAR_GFX_WA +extern int arch_get_ram_range(int slot, u64 *addr, u64 *size); +static void __init iommu_prepare_gfx_mapping(void) +{ + struct pci_dev *pdev = NULL; + u64 base, size; + int slot; + int ret; + + for_each_pci_dev(pdev) { + if (pdev->dev.archdata.iommu == DUMMY_DEVICE_DOMAIN_INFO || + !IS_GFX_DEVICE(pdev)) + continue; + printk(KERN_INFO "IOMMU: gfx device %s 1-1 mapping\n", + pci_name(pdev)); + slot = arch_get_ram_range(0, &base, &size); + while (slot >= 0) { + ret = iommu_prepare_identity_map(pdev, + base, base + size); + if (ret) + goto error; + slot = arch_get_ram_range(slot, &base, &size); + } + continue; +error: + printk(KERN_ERR "IOMMU: mapping reserved region failed\n"); + } +} +#endif + +#ifdef CONFIG_DMAR_FLOPPY_WA +static inline void iommu_prepare_isa(void) +{ + struct pci_dev *pdev; + int ret; + + pdev = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL); + if (!pdev) + return; + + printk(KERN_INFO "IOMMU: Prepare 0-16M unity mapping for LPC\n"); + ret = iommu_prepare_identity_map(pdev, 0, 16*1024*1024); + + if (ret) + printk("IOMMU: Failed to create 0-64M identity map, " + "floppy might not work\n"); + +} +#else +static inline void iommu_prepare_isa(void) +{ + return; +} +#endif /* !CONFIG_DMAR_FLPY_WA */ + +int __init init_dmars(void) +{ + struct dmar_drhd_unit *drhd; + struct dmar_rmrr_unit *rmrr; + struct pci_dev *pdev; + struct intel_iommu *iommu; + int ret, unit = 0; + + /* + * for each drhd + * allocate root + * initialize and program root entry to not present + * endfor + */ + for_each_drhd_unit(drhd) { + if (drhd->ignored) + continue; + iommu = alloc_iommu(drhd); + if (!iommu) { + ret = -ENOMEM; + goto error; + } + + /* + * TBD: + * we could share the same root & context tables + * amoung all IOMMU's. Need to Split it later. + */ + ret = iommu_alloc_root_entry(iommu); + if (ret) { + printk(KERN_ERR "IOMMU: allocate root entry failed\n"); + goto error; + } + } + + /* + * For each rmrr + * for each dev attached to rmrr + * do + * locate drhd for dev, alloc domain for dev + * allocate free domain + * allocate page table entries for rmrr + * if context not allocated for bus + * allocate and init context + * set present in root table for this bus + * init context with domain, translation etc + * endfor + * endfor + */ + for_each_rmrr_units(rmrr) { + int i; + for (i = 0; i < rmrr->devices_cnt; i++) { + pdev = rmrr->devices[i]; + /* some BIOS lists non-exist devices in DMAR table */ + if (!pdev) + continue; + ret = iommu_prepare_rmrr_dev(rmrr, pdev); + if (ret) + printk(KERN_ERR + "IOMMU: mapping reserved region failed\n"); + } + } + + iommu_prepare_gfx_mapping(); + + iommu_prepare_isa(); + + /* + * for each drhd + * enable fault log + * global invalidate context cache + * global invalidate iotlb + * enable translation + */ + for_each_drhd_unit(drhd) { + if (drhd->ignored) + continue; + iommu = drhd->iommu; + sprintf (iommu->name, "dmar%d", unit++); + + iommu_flush_write_buffer(iommu); + + ret = dmar_set_interrupt(iommu); + if (ret) + goto error; + + iommu_set_root_entry(iommu); + + iommu_flush_context_global(iommu, 0); + iommu_flush_iotlb_global(iommu, 0); + + ret = iommu_enable_translation(iommu); + if (ret) + goto error; + } + + return 0; +error: + for_each_drhd_unit(drhd) { + if (drhd->ignored) + continue; + iommu = drhd->iommu; + free_iommu(iommu); + } + return ret; +} + +static inline u64 aligned_size(u64 host_addr, size_t size) +{ + u64 addr; + addr = (host_addr & (~PAGE_MASK_4K)) + size; + return PAGE_ALIGN_4K(addr); +} + +struct iova * +iommu_alloc_iova(struct dmar_domain *domain, size_t size, u64 end) +{ + struct iova *piova; + + /* Make sure it's in range */ + end = min_t(u64, DOMAIN_MAX_ADDR(domain->gaw), end); + if (!size || (IOVA_START_ADDR + size > end)) + return NULL; + + piova = alloc_iova(&domain->iovad, + size >> PAGE_SHIFT_4K, IOVA_PFN(end), 1); + return piova; +} + +static struct iova * +__intel_alloc_iova(struct device *dev, struct dmar_domain *domain, + size_t size) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct iova *iova = NULL; + + if ((pdev->dma_mask <= DMA_32BIT_MASK) || (dmar_forcedac)) { + iova = iommu_alloc_iova(domain, size, pdev->dma_mask); + } else { + /* + * First try to allocate an io virtual address in + * DMA_32BIT_MASK and if that fails then try allocating + * from higer range + */ + iova = iommu_alloc_iova(domain, size, DMA_32BIT_MASK); + if (!iova) + iova = iommu_alloc_iova(domain, size, pdev->dma_mask); + } + + if (!iova) { + printk(KERN_ERR"Allocating iova for %s failed", pci_name(pdev)); + return NULL; + } + + return iova; +} + +static struct dmar_domain * +get_valid_domain_for_dev(struct pci_dev *pdev) +{ + struct dmar_domain *domain; + int ret; + + domain = get_domain_for_dev(pdev, + DEFAULT_DOMAIN_ADDRESS_WIDTH); + if (!domain) { + printk(KERN_ERR + "Allocating domain for %s failed", pci_name(pdev)); + return 0; + } + + /* make sure context mapping is ok */ + if (unlikely(!domain_context_mapped(domain, pdev))) { + ret = domain_context_mapping(domain, pdev); + if (ret) { + printk(KERN_ERR + "Domain context map for %s failed", + pci_name(pdev)); + return 0; + } + } + + return domain; +} + +static dma_addr_t intel_map_single(struct device *hwdev, void *addr, + size_t size, int dir) +{ + struct pci_dev *pdev = to_pci_dev(hwdev); + int ret; + struct dmar_domain *domain; + unsigned long start_addr; + struct iova *iova; + int prot = 0; + + BUG_ON(dir == DMA_NONE); + if (pdev->dev.archdata.iommu == DUMMY_DEVICE_DOMAIN_INFO) + return virt_to_bus(addr); + + domain = get_valid_domain_for_dev(pdev); + if (!domain) + return 0; + + addr = (void *)virt_to_phys(addr); + size = aligned_size((u64)addr, size); + + iova = __intel_alloc_iova(hwdev, domain, size); + if (!iova) + goto error; + + start_addr = iova->pfn_lo << PAGE_SHIFT_4K; + + /* + * Check if DMAR supports zero-length reads on write only + * mappings.. + */ + if (dir == DMA_TO_DEVICE || dir == DMA_BIDIRECTIONAL || \ + !cap_zlr(domain->iommu->cap)) + prot |= DMA_PTE_READ; + if (dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL) + prot |= DMA_PTE_WRITE; + /* + * addr - (addr + size) might be partial page, we should map the whole + * page. Note: if two part of one page are separately mapped, we + * might have two guest_addr mapping to the same host addr, but this + * is not a big problem + */ + ret = domain_page_mapping(domain, start_addr, + ((u64)addr) & PAGE_MASK_4K, size, prot); + if (ret) + goto error; + + pr_debug("Device %s request: %lx@%llx mapping: %lx@%llx, dir %d\n", + pci_name(pdev), size, (u64)addr, + size, (u64)start_addr, dir); + + /* it's a non-present to present mapping */ + ret = iommu_flush_iotlb_psi(domain->iommu, domain->id, + start_addr, size >> PAGE_SHIFT_4K, 1); + if (ret) + iommu_flush_write_buffer(domain->iommu); + + return (start_addr + ((u64)addr & (~PAGE_MASK_4K))); + +error: + if (iova) + __free_iova(&domain->iovad, iova); + printk(KERN_ERR"Device %s request: %lx@%llx dir %d --- failed\n", + pci_name(pdev), size, (u64)addr, dir); + return 0; +} + +static void intel_unmap_single(struct device *dev, dma_addr_t dev_addr, + size_t size, int dir) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct dmar_domain *domain; + unsigned long start_addr; + struct iova *iova; + + if (pdev->dev.archdata.iommu == DUMMY_DEVICE_DOMAIN_INFO) + return; + domain = find_domain(pdev); + BUG_ON(!domain); + + iova = find_iova(&domain->iovad, IOVA_PFN(dev_addr)); + if (!iova) + return; + + start_addr = iova->pfn_lo << PAGE_SHIFT_4K; + size = aligned_size((u64)dev_addr, size); + + pr_debug("Device %s unmapping: %lx@%llx\n", + pci_name(pdev), size, (u64)start_addr); + + /* clear the whole page */ + dma_pte_clear_range(domain, start_addr, start_addr + size); + /* free page tables */ + dma_pte_free_pagetable(domain, start_addr, start_addr + size); + + if (iommu_flush_iotlb_psi(domain->iommu, domain->id, start_addr, + size >> PAGE_SHIFT_4K, 0)) + iommu_flush_write_buffer(domain->iommu); + + /* free iova */ + __free_iova(&domain->iovad, iova); +} + +static void * intel_alloc_coherent(struct device *hwdev, size_t size, + dma_addr_t *dma_handle, gfp_t flags) +{ + void *vaddr; + int order; + + size = PAGE_ALIGN_4K(size); + order = get_order(size); + flags &= ~(GFP_DMA | GFP_DMA32); + + vaddr = (void *)__get_free_pages(flags, order); + if (!vaddr) + return NULL; + memset(vaddr, 0, size); + + *dma_handle = intel_map_single(hwdev, vaddr, size, DMA_BIDIRECTIONAL); + if (*dma_handle) + return vaddr; + free_pages((unsigned long)vaddr, order); + return NULL; +} + +static void intel_free_coherent(struct device *hwdev, size_t size, + void *vaddr, dma_addr_t dma_handle) +{ + int order; + + size = PAGE_ALIGN_4K(size); + order = get_order(size); + + intel_unmap_single(hwdev, dma_handle, size, DMA_BIDIRECTIONAL); + free_pages((unsigned long)vaddr, order); +} + +#define SG_ENT_VIRT_ADDRESS(sg) (page_address((sg)->page) + (sg)->offset) +static void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist, + int nelems, int dir) +{ + int i; + struct pci_dev *pdev = to_pci_dev(hwdev); + struct dmar_domain *domain; + unsigned long start_addr; + struct iova *iova; + size_t size = 0; + void *addr; + struct scatterlist *sg; + + if (pdev->dev.archdata.iommu == DUMMY_DEVICE_DOMAIN_INFO) + return; + + domain = find_domain(pdev); + + iova = find_iova(&domain->iovad, IOVA_PFN(sglist[0].dma_address)); + if (!iova) + return; + for_each_sg(sglist, sg, nelems, i) { + addr = SG_ENT_VIRT_ADDRESS(sg); + size += aligned_size((u64)addr, sg->length); + } + + start_addr = iova->pfn_lo << PAGE_SHIFT_4K; + + /* clear the whole page */ + dma_pte_clear_range(domain, start_addr, start_addr + size); + /* free page tables */ + dma_pte_free_pagetable(domain, start_addr, start_addr + size); + + if (iommu_flush_iotlb_psi(domain->iommu, domain->id, start_addr, + size >> PAGE_SHIFT_4K, 0)) + iommu_flush_write_buffer(domain->iommu); + + /* free iova */ + __free_iova(&domain->iovad, iova); +} + +static int intel_nontranslate_map_sg(struct device *hddev, + struct scatterlist *sglist, int nelems, int dir) +{ + int i; + struct scatterlist *sg; + + for_each_sg(sglist, sg, nelems, i) { + BUG_ON(!sg->page); + sg->dma_address = virt_to_bus(SG_ENT_VIRT_ADDRESS(sg)); + sg->dma_length = sg->length; + } + return nelems; +} + +static int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, + int nelems, int dir) +{ + void *addr; + int i; + struct pci_dev *pdev = to_pci_dev(hwdev); + struct dmar_domain *domain; + size_t size = 0; + int prot = 0; + size_t offset = 0; + struct iova *iova = NULL; + int ret; + struct scatterlist *sg; + unsigned long start_addr; + + BUG_ON(dir == DMA_NONE); + if (pdev->dev.archdata.iommu == DUMMY_DEVICE_DOMAIN_INFO) + return intel_nontranslate_map_sg(hwdev, sglist, nelems, dir); + + domain = get_valid_domain_for_dev(pdev); + if (!domain) + return 0; + + for_each_sg(sglist, sg, nelems, i) { + addr = SG_ENT_VIRT_ADDRESS(sg); + addr = (void *)virt_to_phys(addr); + size += aligned_size((u64)addr, sg->length); + } + + iova = __intel_alloc_iova(hwdev, domain, size); + if (!iova) { + sglist->dma_length = 0; + return 0; + } + + /* + * Check if DMAR supports zero-length reads on write only + * mappings.. + */ + if (dir == DMA_TO_DEVICE || dir == DMA_BIDIRECTIONAL || \ + !cap_zlr(domain->iommu->cap)) + prot |= DMA_PTE_READ; + if (dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL) + prot |= DMA_PTE_WRITE; + + start_addr = iova->pfn_lo << PAGE_SHIFT_4K; + offset = 0; + for_each_sg(sglist, sg, nelems, i) { + addr = SG_ENT_VIRT_ADDRESS(sg); + addr = (void *)virt_to_phys(addr); + size = aligned_size((u64)addr, sg->length); + ret = domain_page_mapping(domain, start_addr + offset, + ((u64)addr) & PAGE_MASK_4K, + size, prot); + if (ret) { + /* clear the page */ + dma_pte_clear_range(domain, start_addr, + start_addr + offset); + /* free page tables */ + dma_pte_free_pagetable(domain, start_addr, + start_addr + offset); + /* free iova */ + __free_iova(&domain->iovad, iova); + return 0; + } + sg->dma_address = start_addr + offset + + ((u64)addr & (~PAGE_MASK_4K)); + sg->dma_length = sg->length; + offset += size; + } + + /* it's a non-present to present mapping */ + if (iommu_flush_iotlb_psi(domain->iommu, domain->id, + start_addr, offset >> PAGE_SHIFT_4K, 1)) + iommu_flush_write_buffer(domain->iommu); + return nelems; +} + +static struct dma_mapping_ops intel_dma_ops = { + .alloc_coherent = intel_alloc_coherent, + .free_coherent = intel_free_coherent, + .map_single = intel_map_single, + .unmap_single = intel_unmap_single, + .map_sg = intel_map_sg, + .unmap_sg = intel_unmap_sg, +}; + +static inline int iommu_domain_cache_init(void) +{ + int ret = 0; + + iommu_domain_cache = kmem_cache_create("iommu_domain", + sizeof(struct dmar_domain), + 0, + SLAB_HWCACHE_ALIGN, + + NULL); + if (!iommu_domain_cache) { + printk(KERN_ERR "Couldn't create iommu_domain cache\n"); + ret = -ENOMEM; + } + + return ret; +} + +static inline int iommu_devinfo_cache_init(void) +{ + int ret = 0; + + iommu_devinfo_cache = kmem_cache_create("iommu_devinfo", + sizeof(struct device_domain_info), + 0, + SLAB_HWCACHE_ALIGN, + + NULL); + if (!iommu_devinfo_cache) { + printk(KERN_ERR "Couldn't create devinfo cache\n"); + ret = -ENOMEM; + } + + return ret; +} + +static inline int iommu_iova_cache_init(void) +{ + int ret = 0; + + iommu_iova_cache = kmem_cache_create("iommu_iova", + sizeof(struct iova), + 0, + SLAB_HWCACHE_ALIGN, + + NULL); + if (!iommu_iova_cache) { + printk(KERN_ERR "Couldn't create iova cache\n"); + ret = -ENOMEM; + } + + return ret; +} + +static int __init iommu_init_mempool(void) +{ + int ret; + ret = iommu_iova_cache_init(); + if (ret) + return ret; + + ret = iommu_domain_cache_init(); + if (ret) + goto domain_error; + + ret = iommu_devinfo_cache_init(); + if (!ret) + return ret; + + kmem_cache_destroy(iommu_domain_cache); +domain_error: + kmem_cache_destroy(iommu_iova_cache); + + return -ENOMEM; +} + +static void __init iommu_exit_mempool(void) +{ + kmem_cache_destroy(iommu_devinfo_cache); + kmem_cache_destroy(iommu_domain_cache); + kmem_cache_destroy(iommu_iova_cache); + +} + +void __init detect_intel_iommu(void) +{ + if (swiotlb || no_iommu || iommu_detected || dmar_disabled) + return; + if (early_dmar_detect()) { + iommu_detected = 1; + } +} + +static void __init init_no_remapping_devices(void) +{ + struct dmar_drhd_unit *drhd; + + for_each_drhd_unit(drhd) { + if (!drhd->include_all) { + int i; + for (i = 0; i < drhd->devices_cnt; i++) + if (drhd->devices[i] != NULL) + break; + /* ignore DMAR unit if no pci devices exist */ + if (i == drhd->devices_cnt) + drhd->ignored = 1; + } + } + + if (dmar_map_gfx) + return; + + for_each_drhd_unit(drhd) { + int i; + if (drhd->ignored || drhd->include_all) + continue; + + for (i = 0; i < drhd->devices_cnt; i++) + if (drhd->devices[i] && + !IS_GFX_DEVICE(drhd->devices[i])) + break; + + if (i < drhd->devices_cnt) + continue; + + /* bypass IOMMU if it is just for gfx devices */ + drhd->ignored = 1; + for (i = 0; i < drhd->devices_cnt; i++) { + if (!drhd->devices[i]) + continue; + drhd->devices[i]->dev.archdata.iommu = DUMMY_DEVICE_DOMAIN_INFO; + } + } +} + +int __init intel_iommu_init(void) +{ + int ret = 0; + + if (no_iommu || swiotlb || dmar_disabled) + return -ENODEV; + + if (dmar_table_init()) + return -ENODEV; + + iommu_init_mempool(); + dmar_init_reserved_ranges(); + + init_no_remapping_devices(); + + ret = init_dmars(); + if (ret) { + printk(KERN_ERR "IOMMU: dmar init failed\n"); + put_iova_domain(&reserved_iova_list); + iommu_exit_mempool(); + return ret; + } + printk(KERN_INFO + "PCI-DMA: Intel(R) Virtualization Technology for Directed I/O\n"); + + force_iommu = 1; + dma_ops = &intel_dma_ops; + return 0; +} + diff --git a/drivers/pci/intel-iommu.h b/drivers/pci/intel-iommu.h new file mode 100644 index 0000000..ee88dd2 --- /dev/null +++ b/drivers/pci/intel-iommu.h @@ -0,0 +1,325 @@ +/* + * Copyright (c) 2006, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + * + * Copyright (C) Ashok Raj <ashok.raj@intel.com> + * Copyright (C) Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> + */ + +#ifndef _INTEL_IOMMU_H_ +#define _INTEL_IOMMU_H_ + +#include <linux/types.h> +#include <linux/msi.h> +#include "iova.h" +#include <linux/io.h> + +/* + * Intel IOMMU register specification per version 1.0 public spec. + */ + +#define DMAR_VER_REG 0x0 /* Arch version supported by this IOMMU */ +#define DMAR_CAP_REG 0x8 /* Hardware supported capabilities */ +#define DMAR_ECAP_REG 0x10 /* Extended capabilities supported */ +#define DMAR_GCMD_REG 0x18 /* Global command register */ +#define DMAR_GSTS_REG 0x1c /* Global status register */ +#define DMAR_RTADDR_REG 0x20 /* Root entry table */ +#define DMAR_CCMD_REG 0x28 /* Context command reg */ +#define DMAR_FSTS_REG 0x34 /* Fault Status register */ +#define DMAR_FECTL_REG 0x38 /* Fault control register */ +#define DMAR_FEDATA_REG 0x3c /* Fault event interrupt data register */ +#define DMAR_FEADDR_REG 0x40 /* Fault event interrupt addr register */ +#define DMAR_FEUADDR_REG 0x44 /* Upper address register */ +#define DMAR_AFLOG_REG 0x58 /* Advanced Fault control */ +#define DMAR_PMEN_REG 0x64 /* Enable Protected Memory Region */ +#define DMAR_PLMBASE_REG 0x68 /* PMRR Low addr */ +#define DMAR_PLMLIMIT_REG 0x6c /* PMRR low limit */ +#define DMAR_PHMBASE_REG 0x70 /* pmrr high base addr */ +#define DMAR_PHMLIMIT_REG 0x78 /* pmrr high limit */ + +#define OFFSET_STRIDE (9) +/* +#define dmar_readl(dmar, reg) readl(dmar + reg) +#define dmar_readq(dmar, reg) ({ \ + u32 lo, hi; \ + lo = readl(dmar + reg); \ + hi = readl(dmar + reg + 4); \ + (((u64) hi) << 32) + lo; }) +*/ +static inline u64 dmar_readq(void *addr) +{ + u32 lo, hi; + lo = readl(addr); + hi = readl(addr + 4); + return (((u64) hi) << 32) + lo; +} + +static inline void dmar_writeq(void __iomem *addr, u64 val) +{ + writel((u32)val, addr); + writel((u32)(val >> 32), addr + 4); +} + +#define DMAR_VER_MAJOR(v) (((v) & 0xf0) >> 4) +#define DMAR_VER_MINOR(v) ((v) & 0x0f) + +/* + * Decoding Capability Register + */ +#define cap_read_drain(c) (((c) >> 55) & 1) +#define cap_write_drain(c) (((c) >> 54) & 1) +#define cap_max_amask_val(c) (((c) >> 48) & 0x3f) +#define cap_num_fault_regs(c) ((((c) >> 40) & 0xff) + 1) +#define cap_pgsel_inv(c) (((c) >> 39) & 1) + +#define cap_super_page_val(c) (((c) >> 34) & 0xf) +#define cap_super_offset(c) (((find_first_bit(&cap_super_page_val(c), 4)) \ + * OFFSET_STRIDE) + 21) + +#define cap_fault_reg_offset(c) ((((c) >> 24) & 0x3ff) * 16) +#define cap_max_fault_reg_offset(c) \ + (cap_fault_reg_offset(c) + cap_num_fault_regs(c) * 16) + +#define cap_zlr(c) (((c) >> 22) & 1) +#define cap_isoch(c) (((c) >> 23) & 1) +#define cap_mgaw(c) ((((c) >> 16) & 0x3f) + 1) +#define cap_sagaw(c) (((c) >> 8) & 0x1f) +#define cap_caching_mode(c) (((c) >> 7) & 1) +#define cap_phmr(c) (((c) >> 6) & 1) +#define cap_plmr(c) (((c) >> 5) & 1) +#define cap_rwbf(c) (((c) >> 4) & 1) +#define cap_afl(c) (((c) >> 3) & 1) +#define cap_ndoms(c) (((unsigned long)1) << (4 + 2 * ((c) & 0x7))) +/* + * Extended Capability Register + */ + +#define ecap_niotlb_iunits(e) ((((e) >> 24) & 0xff) + 1) +#define ecap_iotlb_offset(e) ((((e) >> 8) & 0x3ff) * 16) +#define ecap_max_iotlb_offset(e) \ + (ecap_iotlb_offset(e) + ecap_niotlb_iunits(e) * 16) +#define ecap_coherent(e) ((e) & 0x1) + + +/* IOTLB_REG */ +#define DMA_TLB_GLOBAL_FLUSH (((u64)1) << 60) +#define DMA_TLB_DSI_FLUSH (((u64)2) << 60) +#define DMA_TLB_PSI_FLUSH (((u64)3) << 60) +#define DMA_TLB_IIRG(type) ((type >> 60) & 7) +#define DMA_TLB_IAIG(val) (((val) >> 57) & 7) +#define DMA_TLB_READ_DRAIN (((u64)1) << 49) +#define DMA_TLB_WRITE_DRAIN (((u64)1) << 48) +#define DMA_TLB_DID(id) (((u64)((id) & 0xffff)) << 32) +#define DMA_TLB_IVT (((u64)1) << 63) +#define DMA_TLB_IH_NONLEAF (((u64)1) << 6) +#define DMA_TLB_MAX_SIZE (0x3f) + +/* GCMD_REG */ +#define DMA_GCMD_TE (((u32)1) << 31) +#define DMA_GCMD_SRTP (((u32)1) << 30) +#define DMA_GCMD_SFL (((u32)1) << 29) +#define DMA_GCMD_EAFL (((u32)1) << 28) +#define DMA_GCMD_WBF (((u32)1) << 27) + +/* GSTS_REG */ +#define DMA_GSTS_TES (((u32)1) << 31) +#define DMA_GSTS_RTPS (((u32)1) << 30) +#define DMA_GSTS_FLS (((u32)1) << 29) +#define DMA_GSTS_AFLS (((u32)1) << 28) +#define DMA_GSTS_WBFS (((u32)1) << 27) + +/* CCMD_REG */ +#define DMA_CCMD_ICC (((u64)1) << 63) +#define DMA_CCMD_GLOBAL_INVL (((u64)1) << 61) +#define DMA_CCMD_DOMAIN_INVL (((u64)2) << 61) +#define DMA_CCMD_DEVICE_INVL (((u64)3) << 61) +#define DMA_CCMD_FM(m) (((u64)((m) & 0x3)) << 32) +#define DMA_CCMD_MASK_NOBIT 0 +#define DMA_CCMD_MASK_1BIT 1 +#define DMA_CCMD_MASK_2BIT 2 +#define DMA_CCMD_MASK_3BIT 3 +#define DMA_CCMD_SID(s) (((u64)((s) & 0xffff)) << 16) +#define DMA_CCMD_DID(d) ((u64)((d) & 0xffff)) + +/* FECTL_REG */ +#define DMA_FECTL_IM (((u32)1) << 31) + +/* FSTS_REG */ +#define DMA_FSTS_PPF ((u32)2) +#define DMA_FSTS_PFO ((u32)1) +#define dma_fsts_fault_record_index(s) (((s) >> 8) & 0xff) + +/* FRCD_REG, 32 bits access */ +#define DMA_FRCD_F (((u32)1) << 31) +#define dma_frcd_type(d) ((d >> 30) & 1) +#define dma_frcd_fault_reason(c) (c & 0xff) +#define dma_frcd_source_id(c) (c & 0xffff) +#define dma_frcd_page_addr(d) (d & (((u64)-1) << 12)) /* low 64 bit */ + +/* + * 0: Present + * 1-11: Reserved + * 12-63: Context Ptr (12 - (haw-1)) + * 64-127: Reserved + */ +struct root_entry { + u64 val; + u64 rsvd1; +}; +#define ROOT_ENTRY_NR (PAGE_SIZE_4K/sizeof(struct root_entry)) +static inline bool root_present(struct root_entry *root) +{ + return (root->val & 1); +} +static inline void set_root_present(struct root_entry *root) +{ + root->val |= 1; +} +static inline void set_root_value(struct root_entry *root, unsigned long value) +{ + root->val |= value & PAGE_MASK_4K; +} + +struct context_entry; +static inline struct context_entry * +get_context_addr_from_root(struct root_entry *root) +{ + return (struct context_entry *) + (root_present(root)?phys_to_virt( + root->val & PAGE_MASK_4K): + NULL); +} + +/* + * low 64 bits: + * 0: present + * 1: fault processing disable + * 2-3: translation type + * 12-63: address space root + * high 64 bits: + * 0-2: address width + * 3-6: aval + * 8-23: domain id + */ +struct context_entry { + u64 lo; + u64 hi; +}; +#define context_present(c) ((c).lo & 1) +#define context_fault_disable(c) (((c).lo >> 1) & 1) +#define context_translation_type(c) (((c).lo >> 2) & 3) +#define context_address_root(c) ((c).lo & PAGE_MASK_4K) +#define context_address_width(c) ((c).hi & 7) +#define context_domain_id(c) (((c).hi >> 8) & ((1 << 16) - 1)) + +#define context_set_present(c) do {(c).lo |= 1;} while (0) +#define context_set_fault_enable(c) \ + do {(c).lo &= (((u64)-1) << 2) | 1;} while (0) +#define context_set_translation_type(c, val) \ + do { \ + (c).lo &= (((u64)-1) << 4) | 3; \ + (c).lo |= ((val) & 3) << 2; \ + } while (0) +#define CONTEXT_TT_MULTI_LEVEL 0 +#define context_set_address_root(c, val) \ + do {(c).lo |= (val) & PAGE_MASK_4K;} while (0) +#define context_set_address_width(c, val) do {(c).hi |= (val) & 7;} while (0) +#define context_set_domain_id(c, val) \ + do {(c).hi |= ((val) & ((1 << 16) - 1)) << 8;} while (0) +#define context_clear_entry(c) do {(c).lo = 0; (c).hi = 0;} while (0) + +/* + * 0: readable + * 1: writable + * 2-6: reserved + * 7: super page + * 8-11: available + * 12-63: Host physcial address + */ +struct dma_pte { + u64 val; +}; +#define dma_clear_pte(p) do {(p).val = 0;} while (0) + +#define DMA_PTE_READ (1) +#define DMA_PTE_WRITE (2) + +#define dma_set_pte_readable(p) do {(p).val |= DMA_PTE_READ;} while (0) +#define dma_set_pte_writable(p) do {(p).val |= DMA_PTE_WRITE;} while (0) +#define dma_set_pte_prot(p, prot) \ + do {(p).val = ((p).val & ~3) | ((prot) & 3); } while (0) +#define dma_pte_addr(p) ((p).val & PAGE_MASK_4K) +#define dma_set_pte_addr(p, addr) do {\ + (p).val |= ((addr) & PAGE_MASK_4K); } while (0) +#define dma_pte_present(p) (((p).val & 3) != 0) + +struct intel_iommu; + +struct dmar_domain { + int id; /* domain id */ + struct intel_iommu *iommu; /* back pointer to owning iommu */ + + struct list_head devices; /* all devices' list */ + struct iova_domain iovad; /* iova's that belong to this domain */ + + struct dma_pte *pgd; /* virtual address */ + spinlock_t mapping_lock; /* page table lock */ + int gaw; /* max guest address width */ + + /* adjusted guest address width, 0 is level 2 30-bit */ + int agaw; + +#define DOMAIN_FLAG_MULTIPLE_DEVICES 1 + int flags; +}; + +/* PCI domain-device relationship */ +struct device_domain_info { + struct list_head link; /* link to domain siblings */ + struct list_head global; /* link to global list */ + u8 bus; /* PCI bus numer */ + u8 devfn; /* PCI devfn number */ + struct pci_dev *dev; /* it's NULL for PCIE-to-PCI bridge */ + struct dmar_domain *domain; /* pointer to domain */ +}; + +extern int init_dmars(void); + +struct intel_iommu { + void __iomem *reg; /* Pointer to hardware regs, virtual addr */ + u64 cap; + u64 ecap; + unsigned long *domain_ids; /* bitmap of domains */ + struct dmar_domain **domains; /* ptr to domains */ + int seg; + u32 gcmd; /* Holds TE, EAFL. Don't need SRTP, SFL, WBF */ + spinlock_t lock; /* protect context, domain ids */ + spinlock_t register_lock; /* protect register handling */ + struct root_entry *root_entry; /* virtual address */ + + unsigned int irq; + unsigned char name[7]; /* Device Name */ + struct msi_msg saved_msg; + struct sys_device sysdev; +}; + +#ifndef CONFIG_DMAR_GFX_WA +static inline void iommu_prepare_gfx_mapping(void) +{ + return; +} +#endif /* !CONFIG_DMAR_GFX_WA */ + +#endif diff --git a/drivers/pci/iova.c b/drivers/pci/iova.c new file mode 100644 index 0000000..a84571c --- /dev/null +++ b/drivers/pci/iova.c @@ -0,0 +1,394 @@ +/* + * Copyright (c) 2006, Intel Corporation. + * + * This file is released under the GPLv2. + * + * Copyright (C) 2006 Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> + */ + +#include "iova.h" + +void +init_iova_domain(struct iova_domain *iovad) +{ + spin_lock_init(&iovad->iova_alloc_lock); + spin_lock_init(&iovad->iova_rbtree_lock); + iovad->rbroot = RB_ROOT; + iovad->cached32_node = NULL; + +} + +static struct rb_node * +__get_cached_rbnode(struct iova_domain *iovad, unsigned long *limit_pfn) +{ + if ((*limit_pfn != DMA_32BIT_PFN) || + (iovad->cached32_node == NULL)) + return rb_last(&iovad->rbroot); + else { + struct rb_node *prev_node = rb_prev(iovad->cached32_node); + struct iova *curr_iova = + container_of(iovad->cached32_node, struct iova, node); + *limit_pfn = curr_iova->pfn_lo - 1; + return prev_node; + } +} + +static void +__cached_rbnode_insert_update(struct iova_domain *iovad, + unsigned long limit_pfn, struct iova *new) +{ + if (limit_pfn != DMA_32BIT_PFN) + return; + iovad->cached32_node = &new->node; +} + +static void +__cached_rbnode_delete_update(struct iova_domain *iovad, struct iova *free) +{ + struct iova *cached_iova; + struct rb_node *curr; + + if (!iovad->cached32_node) + return; + curr = iovad->cached32_node; + cached_iova = container_of(curr, struct iova, node); + + if (free->pfn_lo >= cached_iova->pfn_lo) + iovad->cached32_node = rb_next(&free->node); +} + +/* Computes the padding size required, to make the + * the start address naturally aligned on its size + */ +static int +iova_get_pad_size(int size, unsigned int limit_pfn) +{ + unsigned int pad_size = 0; + unsigned int order = ilog2(size); + + if (order) + pad_size = (limit_pfn + 1) % (1 << order); + + return pad_size; +} + +static int __alloc_iova_range(struct iova_domain *iovad, unsigned long size, + unsigned long limit_pfn, struct iova *new, bool size_aligned) +{ + struct rb_node *curr = NULL; + unsigned long flags; + unsigned long saved_pfn; + unsigned int pad_size = 0; + + /* Walk the tree backwards */ + spin_lock_irqsave(&iovad->iova_rbtree_lock, flags); + saved_pfn = limit_pfn; + curr = __get_cached_rbnode(iovad, &limit_pfn); + while (curr) { + struct iova *curr_iova = container_of(curr, struct iova, node); + if (limit_pfn < curr_iova->pfn_lo) + goto move_left; + else if (limit_pfn < curr_iova->pfn_hi) + goto adjust_limit_pfn; + else { + if (size_aligned) + pad_size = iova_get_pad_size(size, limit_pfn); + if ((curr_iova->pfn_hi + size + pad_size) <= limit_pfn) + break; /* found a free slot */ + } +adjust_limit_pfn: + limit_pfn = curr_iova->pfn_lo - 1; +move_left: + curr = rb_prev(curr); + } + + if (!curr) { + if (size_aligned) + pad_size = iova_get_pad_size(size, limit_pfn); + if ((IOVA_START_PFN + size + pad_size) > limit_pfn) { + spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags); + return -ENOMEM; + } + } + + /* pfn_lo will point to size aligned address if size_aligned is set */ + new->pfn_lo = limit_pfn - (size + pad_size) + 1; + new->pfn_hi = new->pfn_lo + size - 1; + + spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags); + return 0; +} + +static void +iova_insert_rbtree(struct rb_root *root, struct iova *iova) +{ + struct rb_node **new = &(root->rb_node), *parent = NULL; + /* Figure out where to put new node */ + while (*new) { + struct iova *this = container_of(*new, struct iova, node); + parent = *new; + + if (iova->pfn_lo < this->pfn_lo) + new = &((*new)->rb_left); + else if (iova->pfn_lo > this->pfn_lo) + new = &((*new)->rb_right); + else + BUG(); /* this should not happen */ + } + /* Add new node and rebalance tree. */ + rb_link_node(&iova->node, parent, new); + rb_insert_color(&iova->node, root); +} + +/** + * alloc_iova - allocates an iova + * @iovad - iova domain in question + * @size - size of page frames to allocate + * @limit_pfn - max limit address + * @size_aligned - set if size_aligned address range is required + * This function allocates an iova in the range limit_pfn to IOVA_START_PFN + * looking from limit_pfn instead from IOVA_START_PFN. If the size_aligned + * flag is set then the allocated address iova->pfn_lo will be naturally + * aligned on roundup_power_of_two(size). + */ +struct iova * +alloc_iova(struct iova_domain *iovad, unsigned long size, + unsigned long limit_pfn, + bool size_aligned) +{ + unsigned long flags; + struct iova *new_iova; + int ret; + + new_iova = alloc_iova_mem(); + if (!new_iova) + return NULL; + + /* If size aligned is set then round the size to + * to next power of two. + */ + if (size_aligned) + size = __roundup_pow_of_two(size); + + spin_lock_irqsave(&iovad->iova_alloc_lock, flags); + ret = __alloc_iova_range(iovad, size, limit_pfn, new_iova, + size_aligned); + + if (ret) { + spin_unlock_irqrestore(&iovad->iova_alloc_lock, flags); + free_iova_mem(new_iova); + return NULL; + } + + /* Insert the new_iova into domain rbtree by holding writer lock */ + spin_lock(&iovad->iova_rbtree_lock); + iova_insert_rbtree(&iovad->rbroot, new_iova); + __cached_rbnode_insert_update(iovad, limit_pfn, new_iova); + spin_unlock(&iovad->iova_rbtree_lock); + + spin_unlock_irqrestore(&iovad->iova_alloc_lock, flags); + + return new_iova; +} + +/** + * find_iova - find's an iova for a given pfn + * @iovad - iova domain in question. + * pfn - page frame number + * This function finds and returns an iova belonging to the + * given doamin which matches the given pfn. + */ +struct iova *find_iova(struct iova_domain *iovad, unsigned long pfn) +{ + unsigned long flags; + struct rb_node *node; + + /* Take the lock so that no other thread is manipulating the rbtree */ + spin_lock_irqsave(&iovad->iova_rbtree_lock, flags); + node = iovad->rbroot.rb_node; + while (node) { + struct iova *iova = container_of(node, struct iova, node); + + /* If pfn falls within iova's range, return iova */ + if ((pfn >= iova->pfn_lo) && (pfn <= iova->pfn_hi)) { + spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags); + /* We are not holding the lock while this iova + * is referenced by the caller as the same thread + * which called this function also calls __free_iova() + * and it is by desing that only one thread can possibly + * reference a particular iova and hence no conflict. + */ + return iova; + } + + if (pfn < iova->pfn_lo) + node = node->rb_left; + else if (pfn > iova->pfn_lo) + node = node->rb_right; + } + + spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags); + return NULL; +} + +/** + * __free_iova - frees the given iova + * @iovad: iova domain in question. + * @iova: iova in question. + * Frees the given iova belonging to the giving domain + */ +void +__free_iova(struct iova_domain *iovad, struct iova *iova) +{ + unsigned long flags; + + spin_lock_irqsave(&iovad->iova_rbtree_lock, flags); + __cached_rbnode_delete_update(iovad, iova); + rb_erase(&iova->node, &iovad->rbroot); + spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags); + free_iova_mem(iova); +} + +/** + * free_iova - finds and frees the iova for a given pfn + * @iovad: - iova domain in question. + * @pfn: - pfn that is allocated previously + * This functions finds an iova for a given pfn and then + * frees the iova from that domain. + */ +void +free_iova(struct iova_domain *iovad, unsigned long pfn) +{ + struct iova *iova = find_iova(iovad, pfn); + if (iova) + __free_iova(iovad, iova); + +} + +/** + * put_iova_domain - destroys the iova doamin + * @iovad: - iova domain in question. + * All the iova's in that domain are destroyed. + */ +void put_iova_domain(struct iova_domain *iovad) +{ + struct rb_node *node; + unsigned long flags; + + spin_lock_irqsave(&iovad->iova_rbtree_lock, flags); + node = rb_first(&iovad->rbroot); + while (node) { + struct iova *iova = container_of(node, struct iova, node); + rb_erase(node, &iovad->rbroot); + free_iova_mem(iova); + node = rb_first(&iovad->rbroot); + } + spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags); +} + +static int +__is_range_overlap(struct rb_node *node, + unsigned long pfn_lo, unsigned long pfn_hi) +{ + struct iova *iova = container_of(node, struct iova, node); + + if ((pfn_lo <= iova->pfn_hi) && (pfn_hi >= iova->pfn_lo)) + return 1; + return 0; +} + +static struct iova * +__insert_new_range(struct iova_domain *iovad, + unsigned long pfn_lo, unsigned long pfn_hi) +{ + struct iova *iova; + + iova = alloc_iova_mem(); + if (!iova) + return iova; + + iova->pfn_hi = pfn_hi; + iova->pfn_lo = pfn_lo; + iova_insert_rbtree(&iovad->rbroot, iova); + return iova; +} + +static void +__adjust_overlap_range(struct iova *iova, + unsigned long *pfn_lo, unsigned long *pfn_hi) +{ + if (*pfn_lo < iova->pfn_lo) + iova->pfn_lo = *pfn_lo; + if (*pfn_hi > iova->pfn_hi) + *pfn_lo = iova->pfn_hi + 1; +} + +/** + * reserve_iova - reserves an iova in the given range + * @iovad: - iova domain pointer + * @pfn_lo: - lower page frame address + * @pfn_hi:- higher pfn adderss + * This function allocates reserves the address range from pfn_lo to pfn_hi so + * that this address is not dished out as part of alloc_iova. + */ +struct iova * +reserve_iova(struct iova_domain *iovad, + unsigned long pfn_lo, unsigned long pfn_hi) +{ + struct rb_node *node; + unsigned long flags; + struct iova *iova; + unsigned int overlap = 0; + + spin_lock_irqsave(&iovad->iova_alloc_lock, flags); + spin_lock(&iovad->iova_rbtree_lock); + for (node = rb_first(&iovad->rbroot); node; node = rb_next(node)) { + if (__is_range_overlap(node, pfn_lo, pfn_hi)) { + iova = container_of(node, struct iova, node); + __adjust_overlap_range(iova, &pfn_lo, &pfn_hi); + if ((pfn_lo >= iova->pfn_lo) && + (pfn_hi <= iova->pfn_hi)) + goto finish; + overlap = 1; + + } else if (overlap) + break; + } + + /* We are here either becasue this is the first reserver node + * or need to insert remaining non overlap addr range + */ + iova = __insert_new_range(iovad, pfn_lo, pfn_hi); +finish: + + spin_unlock(&iovad->iova_rbtree_lock); + spin_unlock_irqrestore(&iovad->iova_alloc_lock, flags); + return iova; +} + +/** + * copy_reserved_iova - copies the reserved between domains + * @from: - source doamin from where to copy + * @to: - destination domin where to copy + * This function copies reserved iova's from one doamin to + * other. + */ +void +copy_reserved_iova(struct iova_domain *from, struct iova_domain *to) +{ + unsigned long flags; + struct rb_node *node; + + spin_lock_irqsave(&from->iova_alloc_lock, flags); + spin_lock(&from->iova_rbtree_lock); + for (node = rb_first(&from->rbroot); node; node = rb_next(node)) { + struct iova *iova = container_of(node, struct iova, node); + struct iova *new_iova; + new_iova = reserve_iova(to, iova->pfn_lo, iova->pfn_hi); + if (!new_iova) + printk(KERN_ERR "Reserve iova range %lx@%lx failed\n", + iova->pfn_lo, iova->pfn_lo); + } + spin_unlock(&from->iova_rbtree_lock); + spin_unlock_irqrestore(&from->iova_alloc_lock, flags); +} diff --git a/drivers/pci/iova.h b/drivers/pci/iova.h new file mode 100644 index 0000000..ae3028d --- /dev/null +++ b/drivers/pci/iova.h @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2006, Intel Corporation. + * + * This file is released under the GPLv2. + * + * Copyright (C) 2006 Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> + * + */ + +#ifndef _IOVA_H_ +#define _IOVA_H_ + +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/rbtree.h> +#include <linux/dma-mapping.h> + +/* + * We need a fixed PAGE_SIZE of 4K irrespective of + * arch PAGE_SIZE for IOMMU page tables. + */ +#define PAGE_SHIFT_4K (12) +#define PAGE_SIZE_4K (1UL << PAGE_SHIFT_4K) +#define PAGE_MASK_4K (((u64)-1) << PAGE_SHIFT_4K) +#define PAGE_ALIGN_4K(addr) (((addr) + PAGE_SIZE_4K - 1) & PAGE_MASK_4K) + +/* IO virtual address start page frame number */ +#define IOVA_START_PFN (1) + +#define IOVA_PFN(addr) ((addr) >> PAGE_SHIFT_4K) +#define DMA_32BIT_PFN IOVA_PFN(DMA_32BIT_MASK) +#define DMA_64BIT_PFN IOVA_PFN(DMA_64BIT_MASK) + +/* iova structure */ +struct iova { + struct rb_node node; + unsigned long pfn_hi; /* IOMMU dish out addr hi */ + unsigned long pfn_lo; /* IOMMU dish out addr lo */ +}; + +/* holds all the iova translations for a domain */ +struct iova_domain { + spinlock_t iova_alloc_lock;/* Lock to protect iova allocation */ + spinlock_t iova_rbtree_lock; /* Lock to protect update of rbtree */ + struct rb_root rbroot; /* iova domain rbtree root */ + struct rb_node *cached32_node; /* Save last alloced node */ +}; + +struct iova *alloc_iova_mem(void); +void free_iova_mem(struct iova *iova); +void free_iova(struct iova_domain *iovad, unsigned long pfn); +void __free_iova(struct iova_domain *iovad, struct iova *iova); +struct iova *alloc_iova(struct iova_domain *iovad, unsigned long size, + unsigned long limit_pfn, + bool size_aligned); +struct iova *reserve_iova(struct iova_domain *iovad, unsigned long pfn_lo, + unsigned long pfn_hi); +void copy_reserved_iova(struct iova_domain *from, struct iova_domain *to); +void init_iova_domain(struct iova_domain *iovad); +struct iova *find_iova(struct iova_domain *iovad, unsigned long pfn); +void put_iova_domain(struct iova_domain *iovad); + +#endif diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 6fda33d..fc87e14 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -90,3 +90,4 @@ pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev) return NULL; } +struct pci_dev *pci_find_upstream_pcie_bridge(struct pci_dev *pdev); diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 5db6b66..463a5a9 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -837,6 +837,19 @@ static void pci_release_dev(struct device *dev) kfree(pci_dev); } +static void set_pcie_port_type(struct pci_dev *pdev) +{ + int pos; + u16 reg16; + + pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); + if (!pos) + return; + pdev->is_pcie = 1; + pci_read_config_word(pdev, pos + PCI_EXP_FLAGS, ®16); + pdev->pcie_type = (reg16 & PCI_EXP_FLAGS_TYPE) >> 4; +} + /** * pci_cfg_space_size - get the configuration space size of the PCI device. * @dev: PCI device @@ -951,6 +964,7 @@ pci_scan_device(struct pci_bus *bus, int devfn) dev->device = (l >> 16) & 0xffff; dev->cfg_size = pci_cfg_space_size(dev); dev->error_state = pci_channel_io_normal; + set_pcie_port_type(dev); /* Assume 32-bit PCI; let 64-bit PCI cards (which are far rarer) set this higher, assuming the system even supports it. */ diff --git a/drivers/pci/search.c b/drivers/pci/search.c index c6e79d0..b001b59 100644 --- a/drivers/pci/search.c +++ b/drivers/pci/search.c @@ -14,6 +14,40 @@ #include "pci.h" DECLARE_RWSEM(pci_bus_sem); +/* + * find the upstream PCIE-to-PCI bridge of a PCI device + * if the device is PCIE, return NULL + * if the device isn't connected to a PCIE bridge (that is its parent is a + * legacy PCI bridge and the bridge is directly connected to bus 0), return its + * parent + */ +struct pci_dev * +pci_find_upstream_pcie_bridge(struct pci_dev *pdev) +{ + struct pci_dev *tmp = NULL; + + if (pdev->is_pcie) + return NULL; + while (1) { + if (!pdev->bus->self) + break; + pdev = pdev->bus->self; + /* a p2p bridge */ + if (!pdev->is_pcie) { + tmp = pdev; + continue; + } + /* PCI device should connect to a PCIE bridge */ + if (pdev->pcie_type != PCI_EXP_TYPE_PCI_BRIDGE) { + /* Busted hardware? */ + WARN_ON_ONCE(1); + return NULL; + } + return pdev; + } + + return tmp; +} static struct pci_bus *pci_do_find_bus(struct pci_bus *bus, unsigned char busnr) { diff --git a/drivers/power/apm_power.c b/drivers/power/apm_power.c index 39a90a6..bbf3ee1 100644 --- a/drivers/power/apm_power.c +++ b/drivers/power/apm_power.c @@ -26,65 +26,124 @@ static struct power_supply *main_battery; static void find_main_battery(void) { struct device *dev; - struct power_supply *bat, *batm; + struct power_supply *bat = NULL; + struct power_supply *max_charge_bat = NULL; + struct power_supply *max_energy_bat = NULL; union power_supply_propval full; int max_charge = 0; + int max_energy = 0; main_battery = NULL; - batm = NULL; + list_for_each_entry(dev, &power_supply_class->devices, node) { bat = dev_get_drvdata(dev); - /* If none of battery devices cantains 'use_for_apm' flag, - choice one with maximum design charge */ - if (!PSY_PROP(bat, CHARGE_FULL_DESIGN, &full)) { + + if (bat->use_for_apm) { + /* nice, we explicitly asked to report this battery. */ + main_battery = bat; + return; + } + + if (!PSY_PROP(bat, CHARGE_FULL_DESIGN, &full) || + !PSY_PROP(bat, CHARGE_FULL, &full)) { if (full.intval > max_charge) { - batm = bat; + max_charge_bat = bat; max_charge = full.intval; } + } else if (!PSY_PROP(bat, ENERGY_FULL_DESIGN, &full) || + !PSY_PROP(bat, ENERGY_FULL, &full)) { + if (full.intval > max_energy) { + max_energy_bat = bat; + max_energy = full.intval; + } } + } - if (bat->use_for_apm) - main_battery = bat; + if ((max_energy_bat && max_charge_bat) && + (max_energy_bat != max_charge_bat)) { + /* try guess battery with more capacity */ + if (!PSY_PROP(max_charge_bat, VOLTAGE_MAX_DESIGN, &full)) { + if (max_energy > max_charge * full.intval) + main_battery = max_energy_bat; + else + main_battery = max_charge_bat; + } else if (!PSY_PROP(max_energy_bat, VOLTAGE_MAX_DESIGN, + &full)) { + if (max_charge > max_energy / full.intval) + main_battery = max_charge_bat; + else + main_battery = max_energy_bat; + } else { + /* give up, choice any */ + main_battery = max_energy_bat; + } + } else if (max_charge_bat) { + main_battery = max_charge_bat; + } else if (max_energy_bat) { + main_battery = max_energy_bat; + } else { + /* give up, try the last if any */ + main_battery = bat; } - if (!main_battery) - main_battery = batm; } -static int calculate_time(int status) +static int calculate_time(int status, int using_charge) { - union power_supply_propval charge_full, charge_empty; - union power_supply_propval charge, I; + union power_supply_propval full; + union power_supply_propval empty; + union power_supply_propval cur; + union power_supply_propval I; + enum power_supply_property full_prop; + enum power_supply_property full_design_prop; + enum power_supply_property empty_prop; + enum power_supply_property empty_design_prop; + enum power_supply_property cur_avg_prop; + enum power_supply_property cur_now_prop; - if (MPSY_PROP(CHARGE_FULL, &charge_full)) { - /* if battery can't report this property, use design value */ - if (MPSY_PROP(CHARGE_FULL_DESIGN, &charge_full)) + if (MPSY_PROP(CURRENT_AVG, &I)) { + /* if battery can't report average value, use momentary */ + if (MPSY_PROP(CURRENT_NOW, &I)) return -1; } - if (MPSY_PROP(CHARGE_EMPTY, &charge_empty)) { - /* if battery can't report this property, use design value */ - if (MPSY_PROP(CHARGE_EMPTY_DESIGN, &charge_empty)) - charge_empty.intval = 0; + if (using_charge) { + full_prop = POWER_SUPPLY_PROP_CHARGE_FULL; + full_design_prop = POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN; + empty_prop = POWER_SUPPLY_PROP_CHARGE_EMPTY; + empty_design_prop = POWER_SUPPLY_PROP_CHARGE_EMPTY; + cur_avg_prop = POWER_SUPPLY_PROP_CHARGE_AVG; + cur_now_prop = POWER_SUPPLY_PROP_CHARGE_NOW; + } else { + full_prop = POWER_SUPPLY_PROP_ENERGY_FULL; + full_design_prop = POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN; + empty_prop = POWER_SUPPLY_PROP_ENERGY_EMPTY; + empty_design_prop = POWER_SUPPLY_PROP_CHARGE_EMPTY; + cur_avg_prop = POWER_SUPPLY_PROP_ENERGY_AVG; + cur_now_prop = POWER_SUPPLY_PROP_ENERGY_NOW; } - if (MPSY_PROP(CHARGE_AVG, &charge)) { - /* if battery can't report average value, use momentary */ - if (MPSY_PROP(CHARGE_NOW, &charge)) + if (_MPSY_PROP(full_prop, &full)) { + /* if battery can't report this property, use design value */ + if (_MPSY_PROP(full_design_prop, &full)) return -1; } - if (MPSY_PROP(CURRENT_AVG, &I)) { + if (_MPSY_PROP(empty_prop, &empty)) { + /* if battery can't report this property, use design value */ + if (_MPSY_PROP(empty_design_prop, &empty)) + empty.intval = 0; + } + + if (_MPSY_PROP(cur_avg_prop, &cur)) { /* if battery can't report average value, use momentary */ - if (MPSY_PROP(CURRENT_NOW, &I)) + if (_MPSY_PROP(cur_now_prop, &cur)) return -1; } if (status == POWER_SUPPLY_STATUS_CHARGING) - return ((charge.intval - charge_full.intval) * 60L) / - I.intval; + return ((cur.intval - full.intval) * 60L) / I.intval; else - return -((charge.intval - charge_empty.intval) * 60L) / - I.intval; + return -((cur.intval - empty.intval) * 60L) / I.intval; } static int calculate_capacity(int using_charge) @@ -200,18 +259,22 @@ static void apm_battery_apm_get_power_status(struct apm_power_info *info) info->units = APM_UNITS_MINS; if (status.intval == POWER_SUPPLY_STATUS_CHARGING) { - if (MPSY_PROP(TIME_TO_FULL_AVG, &time_to_full)) { - if (MPSY_PROP(TIME_TO_FULL_NOW, &time_to_full)) - info->time = calculate_time(status.intval); - else - info->time = time_to_full.intval / 60; + if (!MPSY_PROP(TIME_TO_FULL_AVG, &time_to_full) || + !MPSY_PROP(TIME_TO_FULL_NOW, &time_to_full)) { + info->time = time_to_full.intval / 60; + } else { + info->time = calculate_time(status.intval, 0); + if (info->time == -1) + info->time = calculate_time(status.intval, 1); } } else { - if (MPSY_PROP(TIME_TO_EMPTY_AVG, &time_to_empty)) { - if (MPSY_PROP(TIME_TO_EMPTY_NOW, &time_to_empty)) - info->time = calculate_time(status.intval); - else - info->time = time_to_empty.intval / 60; + if (!MPSY_PROP(TIME_TO_EMPTY_AVG, &time_to_empty) || + !MPSY_PROP(TIME_TO_EMPTY_NOW, &time_to_empty)) { + info->time = time_to_empty.intval / 60; + } else { + info->time = calculate_time(status.intval, 0); + if (info->time == -1) + info->time = calculate_time(status.intval, 1); } } diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c index 2edd5fb..8d1c64a 100644 --- a/drivers/s390/char/raw3270.c +++ b/drivers/s390/char/raw3270.c @@ -48,8 +48,8 @@ struct raw3270 { struct timer_list timer; /* Device timer. */ unsigned char *ascebc; /* ascii -> ebcdic table */ - struct class_device *clttydev; /* 3270-class tty device ptr */ - struct class_device *cltubdev; /* 3270-class tub device ptr */ + struct device *clttydev; /* 3270-class tty device ptr */ + struct device *cltubdev; /* 3270-class tub device ptr */ struct raw3270_request init_request; unsigned char init_data[256]; @@ -1107,11 +1107,9 @@ raw3270_delete_device(struct raw3270 *rp) /* Remove from device chain. */ mutex_lock(&raw3270_mutex); if (rp->clttydev && !IS_ERR(rp->clttydev)) - class_device_destroy(class3270, - MKDEV(IBM_TTY3270_MAJOR, rp->minor)); + device_destroy(class3270, MKDEV(IBM_TTY3270_MAJOR, rp->minor)); if (rp->cltubdev && !IS_ERR(rp->cltubdev)) - class_device_destroy(class3270, - MKDEV(IBM_FS3270_MAJOR, rp->minor)); + device_destroy(class3270, MKDEV(IBM_FS3270_MAJOR, rp->minor)); list_del_init(&rp->list); mutex_unlock(&raw3270_mutex); @@ -1181,24 +1179,22 @@ static int raw3270_create_attributes(struct raw3270 *rp) if (rc) goto out; - rp->clttydev = class_device_create(class3270, NULL, - MKDEV(IBM_TTY3270_MAJOR, rp->minor), - &rp->cdev->dev, "tty%s", - rp->cdev->dev.bus_id); + rp->clttydev = device_create(class3270, &rp->cdev->dev, + MKDEV(IBM_TTY3270_MAJOR, rp->minor), + "tty%s", rp->cdev->dev.bus_id); if (IS_ERR(rp->clttydev)) { rc = PTR_ERR(rp->clttydev); goto out_ttydev; } - rp->cltubdev = class_device_create(class3270, NULL, - MKDEV(IBM_FS3270_MAJOR, rp->minor), - &rp->cdev->dev, "tub%s", - rp->cdev->dev.bus_id); + rp->cltubdev = device_create(class3270, &rp->cdev->dev, + MKDEV(IBM_FS3270_MAJOR, rp->minor), + "tub%s", rp->cdev->dev.bus_id); if (!IS_ERR(rp->cltubdev)) goto out; rc = PTR_ERR(rp->cltubdev); - class_device_destroy(class3270, MKDEV(IBM_TTY3270_MAJOR, rp->minor)); + device_destroy(class3270, MKDEV(IBM_TTY3270_MAJOR, rp->minor)); out_ttydev: sysfs_remove_group(&rp->cdev->dev.kobj, &raw3270_attr_group); diff --git a/drivers/s390/char/tape_class.c b/drivers/s390/char/tape_class.c index 2e0d297..aa7f166 100644 --- a/drivers/s390/char/tape_class.c +++ b/drivers/s390/char/tape_class.c @@ -69,12 +69,9 @@ struct tape_class_device *register_tape_dev( if (rc) goto fail_with_cdev; - tcd->class_device = class_device_create( - tape_class, - NULL, - tcd->char_device->dev, - device, - "%s", tcd->device_name + tcd->class_device = device_create(tape_class, device, + tcd->char_device->dev, + "%s", tcd->device_name ); rc = IS_ERR(tcd->class_device) ? PTR_ERR(tcd->class_device) : 0; if (rc) @@ -90,7 +87,7 @@ struct tape_class_device *register_tape_dev( return tcd; fail_with_class_device: - class_device_destroy(tape_class, tcd->char_device->dev); + device_destroy(tape_class, tcd->char_device->dev); fail_with_cdev: cdev_del(tcd->char_device); @@ -105,11 +102,9 @@ EXPORT_SYMBOL(register_tape_dev); void unregister_tape_dev(struct tape_class_device *tcd) { if (tcd != NULL && !IS_ERR(tcd)) { - sysfs_remove_link( - &tcd->class_device->dev->kobj, - tcd->mode_name - ); - class_device_destroy(tape_class, tcd->char_device->dev); + sysfs_remove_link(&tcd->class_device->kobj, + tcd->mode_name); + device_destroy(tape_class, tcd->char_device->dev); cdev_del(tcd->char_device); kfree(tcd); } diff --git a/drivers/s390/char/tape_class.h b/drivers/s390/char/tape_class.h index a8bd9b4..e2b5ac9 100644 --- a/drivers/s390/char/tape_class.h +++ b/drivers/s390/char/tape_class.h @@ -24,8 +24,8 @@ #define TAPECLASS_NAME_LEN 32 struct tape_class_device { - struct cdev * char_device; - struct class_device * class_device; + struct cdev *char_device; + struct device *class_device; char device_name[TAPECLASS_NAME_LEN]; char mode_name[TAPECLASS_NAME_LEN]; }; diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c index 12f7a4c..e0c4c50 100644 --- a/drivers/s390/char/vmlogrdr.c +++ b/drivers/s390/char/vmlogrdr.c @@ -74,7 +74,7 @@ struct vmlogrdr_priv_t { int dev_in_use; /* 1: already opened, 0: not opened*/ spinlock_t priv_lock; struct device *device; - struct class_device *class_device; + struct device *class_device; int autorecording; int autopurge; }; @@ -762,12 +762,10 @@ static int vmlogrdr_register_device(struct vmlogrdr_priv_t *priv) device_unregister(dev); return ret; } - priv->class_device = class_device_create( - vmlogrdr_class, - NULL, - MKDEV(vmlogrdr_major, priv->minor_num), - dev, - "%s", dev->bus_id ); + priv->class_device = device_create(vmlogrdr_class, dev, + MKDEV(vmlogrdr_major, + priv->minor_num), + "%s", dev->bus_id); if (IS_ERR(priv->class_device)) { ret = PTR_ERR(priv->class_device); priv->class_device=NULL; @@ -783,8 +781,7 @@ static int vmlogrdr_register_device(struct vmlogrdr_priv_t *priv) static int vmlogrdr_unregister_device(struct vmlogrdr_priv_t *priv) { - class_device_destroy(vmlogrdr_class, - MKDEV(vmlogrdr_major, priv->minor_num)); + device_destroy(vmlogrdr_class, MKDEV(vmlogrdr_major, priv->minor_num)); if (priv->device != NULL) { sysfs_remove_group(&priv->device->kobj, &vmlogrdr_attr_group); device_unregister(priv->device); diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c index 42c1f46..297cdce 100644 --- a/drivers/s390/cio/chp.c +++ b/drivers/s390/cio/chp.c @@ -246,7 +246,7 @@ int chp_add_cmg_attr(struct channel_path *chp) static ssize_t chp_status_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct channel_path *chp = container_of(dev, struct channel_path, dev); + struct channel_path *chp = to_channelpath(dev); if (!chp) return 0; @@ -258,7 +258,7 @@ static ssize_t chp_status_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct channel_path *cp = container_of(dev, struct channel_path, dev); + struct channel_path *cp = to_channelpath(dev); char cmd[10]; int num_args; int error; @@ -286,7 +286,7 @@ static ssize_t chp_configure_show(struct device *dev, struct channel_path *cp; int status; - cp = container_of(dev, struct channel_path, dev); + cp = to_channelpath(dev); status = chp_info_get_status(cp->chpid); if (status < 0) return status; @@ -308,7 +308,7 @@ static ssize_t chp_configure_write(struct device *dev, return -EINVAL; if (val != 0 && val != 1) return -EINVAL; - cp = container_of(dev, struct channel_path, dev); + cp = to_channelpath(dev); chp_cfg_schedule(cp->chpid, val); cfg_wait_idle(); @@ -320,7 +320,7 @@ static DEVICE_ATTR(configure, 0644, chp_configure_show, chp_configure_write); static ssize_t chp_type_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct channel_path *chp = container_of(dev, struct channel_path, dev); + struct channel_path *chp = to_channelpath(dev); if (!chp) return 0; @@ -374,7 +374,7 @@ static void chp_release(struct device *dev) { struct channel_path *cp; - cp = container_of(dev, struct channel_path, dev); + cp = to_channelpath(dev); kfree(cp); } diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 5d83dd4..838f7ac 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -182,6 +182,15 @@ static int css_register_subchannel(struct subchannel *sch) sch->dev.bus = &css_bus_type; sch->dev.release = &css_subchannel_release; sch->dev.groups = subch_attr_groups; + /* + * We don't want to generate uevents for I/O subchannels that don't + * have a working ccw device behind them since they will be + * unregistered before they can be used anyway, so we delay the add + * uevent until after device recognition was successful. + */ + if (!cio_is_console(sch->schid)) + /* Console is special, no need to suppress. */ + sch->dev.uevent_suppress = 1; css_update_ssd_info(sch); /* make it known to the system */ ret = css_sch_device_register(sch); diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c index fb14014..afb262b 100644 --- a/drivers/scsi/3w-9xxx.c +++ b/drivers/scsi/3w-9xxx.c @@ -1840,7 +1840,7 @@ static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id, (scsi_bufflen(srb) < TW_MIN_SGL_LENGTH)) { if (srb->sc_data_direction == DMA_TO_DEVICE || srb->sc_data_direction == DMA_BIDIRECTIONAL) { struct scatterlist *sg = scsi_sglist(srb); - char *buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; + char *buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; memcpy(tw_dev->generic_buffer_virt[request_id], buf, sg->length); kunmap_atomic(buf - sg->offset, KM_IRQ0); } @@ -1919,7 +1919,7 @@ static void twa_scsiop_execute_scsi_complete(TW_Device_Extension *tw_dev, int re char *buf; unsigned long flags = 0; local_irq_save(flags); - buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; + buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; memcpy(buf, tw_dev->generic_buffer_virt[request_id], sg->length); kunmap_atomic(buf - sg->offset, KM_IRQ0); local_irq_restore(flags); diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c index a64153b..59716eb 100644 --- a/drivers/scsi/3w-xxxx.c +++ b/drivers/scsi/3w-xxxx.c @@ -1469,7 +1469,7 @@ static void tw_transfer_internal(TW_Device_Extension *tw_dev, int request_id, struct scatterlist *sg = scsi_sglist(cmd); local_irq_save(flags); - buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; + buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; transfer_len = min(sg->length, len); memcpy(buf, data, transfer_len); diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c index 988f0bc..2597209 100644 --- a/drivers/scsi/NCR5380.c +++ b/drivers/scsi/NCR5380.c @@ -298,8 +298,7 @@ static __inline__ void initialize_SCp(Scsi_Cmnd * cmd) if (cmd->use_sg) { cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer; cmd->SCp.buffers_residual = cmd->use_sg - 1; - cmd->SCp.ptr = page_address(cmd->SCp.buffer->page)+ - cmd->SCp.buffer->offset; + cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); cmd->SCp.this_residual = cmd->SCp.buffer->length; } else { cmd->SCp.buffer = NULL; @@ -2143,8 +2142,7 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) { ++cmd->SCp.buffer; --cmd->SCp.buffers_residual; cmd->SCp.this_residual = cmd->SCp.buffer->length; - cmd->SCp.ptr = page_address(cmd->SCp.buffer->page)+ - cmd->SCp.buffer->offset; + cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); dprintk(NDEBUG_INFORMATION, ("scsi%d : %d bytes and %d buffers left\n", instance->host_no, cmd->SCp.this_residual, cmd->SCp.buffers_residual)); } /* diff --git a/drivers/scsi/NCR53C9x.c b/drivers/scsi/NCR53C9x.c index 96e8e29..5b0efc9 100644 --- a/drivers/scsi/NCR53C9x.c +++ b/drivers/scsi/NCR53C9x.c @@ -927,7 +927,7 @@ static void esp_get_dmabufs(struct NCR_ESP *esp, Scsi_Cmnd *sp) esp->dma_mmu_get_scsi_sgl(esp, sp); else sp->SCp.ptr = - (char *) virt_to_phys((page_address(sp->SCp.buffer->page) + sp->SCp.buffer->offset)); + (char *) virt_to_phys(sg_virt(sp->SCp.buffer)); } } @@ -1748,7 +1748,7 @@ static inline void advance_sg(struct NCR_ESP *esp, Scsi_Cmnd *sp) if (esp->dma_advance_sg) esp->dma_advance_sg (sp); else - sp->SCp.ptr = (char *) virt_to_phys((page_address(sp->SCp.buffer->page) + sp->SCp.buffer->offset)); + sp->SCp.ptr = (char *) virt_to_phys(sg_virt(sp->SCp.buffer)); } diff --git a/drivers/scsi/NCR53c406a.c b/drivers/scsi/NCR53c406a.c index 3168a17..137d065 100644 --- a/drivers/scsi/NCR53c406a.c +++ b/drivers/scsi/NCR53c406a.c @@ -875,8 +875,7 @@ static void NCR53c406a_intr(void *dev_id) outb(TRANSFER_INFO | DMA_OP, CMD_REG); #if USE_PIO scsi_for_each_sg(current_SC, sg, scsi_sg_count(current_SC), i) { - NCR53c406a_pio_write(page_address(sg->page) + sg->offset, - sg->length); + NCR53c406a_pio_write(sg_virt(sg), sg->length); } REG0; #endif /* USE_PIO */ @@ -897,8 +896,7 @@ static void NCR53c406a_intr(void *dev_id) outb(TRANSFER_INFO | DMA_OP, CMD_REG); #if USE_PIO scsi_for_each_sg(current_SC, sg, scsi_sg_count(current_SC), i) { - NCR53c406a_pio_read(page_address(sg->page) + sg->offset, - sg->length); + NCR53c406a_pio_read(sg_virt(sg), sg->length); } REG0; #endif /* USE_PIO */ diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index 80e448d..a77ab8d 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -356,7 +356,7 @@ static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigne int transfer_len; struct scatterlist *sg = scsi_sglist(scsicmd); - buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; + buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; transfer_len = min(sg->length, len + offset); transfer_len -= offset; diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c index a58c265..ea8c699 100644 --- a/drivers/scsi/aha152x.c +++ b/drivers/scsi/aha152x.c @@ -613,7 +613,7 @@ struct aha152x_scdata { #define SCNEXT(SCpnt) SCDATA(SCpnt)->next #define SCSEM(SCpnt) SCDATA(SCpnt)->done -#define SG_ADDRESS(buffer) ((char *) (page_address((buffer)->page)+(buffer)->offset)) +#define SG_ADDRESS(buffer) ((char *) sg_virt((buffer))) /* state handling */ static void seldi_run(struct Scsi_Host *shpnt); diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c index 961a188..bbcc2c5 100644 --- a/drivers/scsi/aha1542.c +++ b/drivers/scsi/aha1542.c @@ -49,7 +49,7 @@ #include "aha1542.h" #define SCSI_BUF_PA(address) isa_virt_to_bus(address) -#define SCSI_SG_PA(sgent) (isa_page_to_bus((sgent)->page) + (sgent)->offset) +#define SCSI_SG_PA(sgent) (isa_page_to_bus(sg_page((sgent))) + (sgent)->offset) static void BAD_DMA(void *address, unsigned int length) { @@ -66,8 +66,7 @@ static void BAD_SG_DMA(Scsi_Cmnd * SCpnt, int badseg) { printk(KERN_CRIT "sgpnt[%d:%d] page %p/0x%llx length %u\n", - badseg, nseg, - page_address(sgp->page) + sgp->offset, + badseg, nseg, sg_virt(sgp), (unsigned long long)SCSI_SG_PA(sgp), sgp->length); @@ -712,8 +711,7 @@ static int aha1542_queuecommand(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) printk(KERN_CRIT "Bad segment list supplied to aha1542.c (%d, %d)\n", SCpnt->use_sg, i); scsi_for_each_sg(SCpnt, sg, SCpnt->use_sg, i) { printk(KERN_CRIT "%d: %p %d\n", i, - (page_address(sg->page) + - sg->offset), sg->length); + sg_virt(sg), sg->length); }; printk(KERN_CRIT "cptr %x: ", (unsigned int) cptr); ptr = (unsigned char *) &cptr[i]; diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index f817775..f7a2528 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -1343,7 +1343,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \ /* 4 bytes: Areca io control code */ sg = scsi_sglist(cmd); - buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; + buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; if (scsi_sg_count(cmd) > 1) { retvalue = ARCMSR_MESSAGE_FAIL; goto message_out; @@ -1593,7 +1593,7 @@ static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb, strncpy(&inqdata[32], "R001", 4); /* Product Revision */ sg = scsi_sglist(cmd); - buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; + buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; memcpy(buffer, inqdata, sizeof(inqdata)); sg = scsi_sglist(cmd); diff --git a/drivers/scsi/atari_NCR5380.c b/drivers/scsi/atari_NCR5380.c index 52d0b87..d178098 100644 --- a/drivers/scsi/atari_NCR5380.c +++ b/drivers/scsi/atari_NCR5380.c @@ -515,8 +515,7 @@ static inline void initialize_SCp(Scsi_Cmnd *cmd) if (cmd->use_sg) { cmd->SCp.buffer = (struct scatterlist *)cmd->request_buffer; cmd->SCp.buffers_residual = cmd->use_sg - 1; - cmd->SCp.ptr = (char *)page_address(cmd->SCp.buffer->page) + - cmd->SCp.buffer->offset; + cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); cmd->SCp.this_residual = cmd->SCp.buffer->length; /* ++roman: Try to merge some scatter-buffers if they are at * contiguous physical addresses. @@ -2054,8 +2053,7 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) ++cmd->SCp.buffer; --cmd->SCp.buffers_residual; cmd->SCp.this_residual = cmd->SCp.buffer->length; - cmd->SCp.ptr = page_address(cmd->SCp.buffer->page) + - cmd->SCp.buffer->offset; + cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); /* ++roman: Try to merge some scatter-buffers if * they are at contiguous physical addresses. */ diff --git a/drivers/scsi/eata_pio.c b/drivers/scsi/eata_pio.c index 96180bb..982c509 100644 --- a/drivers/scsi/eata_pio.c +++ b/drivers/scsi/eata_pio.c @@ -172,7 +172,7 @@ static void IncStat(struct scsi_pointer *SCp, unsigned int Increment) SCp->Status = 0; else { SCp->buffer++; - SCp->ptr = page_address(SCp->buffer->page) + SCp->buffer->offset; + SCp->ptr = sg_virt(SCp->buffer); SCp->this_residual = SCp->buffer->length; } } @@ -410,7 +410,7 @@ static int eata_pio_queue(struct scsi_cmnd *cmd, } else { cmd->SCp.buffer = cmd->request_buffer; cmd->SCp.buffers_residual = cmd->use_sg; - cmd->SCp.ptr = page_address(cmd->SCp.buffer->page) + cmd->SCp.buffer->offset; + cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); cmd->SCp.this_residual = cmd->SCp.buffer->length; } cmd->SCp.Status = (cmd->SCp.this_residual != 0); /* TRUE as long as bytes diff --git a/drivers/scsi/fd_mcs.c b/drivers/scsi/fd_mcs.c index 668569e..8335b60 100644 --- a/drivers/scsi/fd_mcs.c +++ b/drivers/scsi/fd_mcs.c @@ -973,7 +973,7 @@ static irqreturn_t fd_mcs_intr(int irq, void *dev_id) if (current_SC->SCp.buffers_residual) { --current_SC->SCp.buffers_residual; ++current_SC->SCp.buffer; - current_SC->SCp.ptr = page_address(current_SC->SCp.buffer->page) + current_SC->SCp.buffer->offset; + current_SC->SCp.ptr = sg_virt(current_SC->SCp.buffer); current_SC->SCp.this_residual = current_SC->SCp.buffer->length; } else break; @@ -1006,7 +1006,7 @@ static irqreturn_t fd_mcs_intr(int irq, void *dev_id) if (!current_SC->SCp.this_residual && current_SC->SCp.buffers_residual) { --current_SC->SCp.buffers_residual; ++current_SC->SCp.buffer; - current_SC->SCp.ptr = page_address(current_SC->SCp.buffer->page) + current_SC->SCp.buffer->offset; + current_SC->SCp.ptr = sg_virt(current_SC->SCp.buffer); current_SC->SCp.this_residual = current_SC->SCp.buffer->length; } } @@ -1109,7 +1109,7 @@ static int fd_mcs_queue(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) if (current_SC->use_sg) { current_SC->SCp.buffer = (struct scatterlist *) current_SC->request_buffer; - current_SC->SCp.ptr = page_address(current_SC->SCp.buffer->page) + current_SC->SCp.buffer->offset; + current_SC->SCp.ptr = sg_virt(current_SC->SCp.buffer); current_SC->SCp.this_residual = current_SC->SCp.buffer->length; current_SC->SCp.buffers_residual = current_SC->use_sg - 1; } else { diff --git a/drivers/scsi/fdomain.c b/drivers/scsi/fdomain.c index 5d282e6..2cd6b49 100644 --- a/drivers/scsi/fdomain.c +++ b/drivers/scsi/fdomain.c @@ -1321,7 +1321,7 @@ static irqreturn_t do_fdomain_16x0_intr(int irq, void *dev_id) if (current_SC->SCp.buffers_residual) { --current_SC->SCp.buffers_residual; ++current_SC->SCp.buffer; - current_SC->SCp.ptr = page_address(current_SC->SCp.buffer->page) + current_SC->SCp.buffer->offset; + current_SC->SCp.ptr = sg_virt(current_SC->SCp.buffer); current_SC->SCp.this_residual = current_SC->SCp.buffer->length; } else break; @@ -1354,7 +1354,7 @@ static irqreturn_t do_fdomain_16x0_intr(int irq, void *dev_id) && current_SC->SCp.buffers_residual) { --current_SC->SCp.buffers_residual; ++current_SC->SCp.buffer; - current_SC->SCp.ptr = page_address(current_SC->SCp.buffer->page) + current_SC->SCp.buffer->offset; + current_SC->SCp.ptr = sg_virt(current_SC->SCp.buffer); current_SC->SCp.this_residual = current_SC->SCp.buffer->length; } } @@ -1439,8 +1439,7 @@ static int fdomain_16x0_queue(struct scsi_cmnd *SCpnt, if (scsi_sg_count(current_SC)) { current_SC->SCp.buffer = scsi_sglist(current_SC); - current_SC->SCp.ptr = page_address(current_SC->SCp.buffer->page) - + current_SC->SCp.buffer->offset; + current_SC->SCp.ptr = sg_virt(current_SC->SCp.buffer); current_SC->SCp.this_residual = current_SC->SCp.buffer->length; current_SC->SCp.buffers_residual = scsi_sg_count(current_SC) - 1; } else { diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index 3ac080e..5ab3ce7 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -2374,18 +2374,18 @@ static void gdth_copy_internal_data(gdth_ha_str *ha, Scsi_Cmnd *scp, if (cpsum+cpnow > cpcount) cpnow = cpcount - cpsum; cpsum += cpnow; - if (!sl->page) { + if (!sg_page(sl)) { printk("GDT-HA %d: invalid sc/gt element in gdth_copy_internal_data()\n", ha->hanum); return; } local_irq_save(flags); - address = kmap_atomic(sl->page, KM_BIO_SRC_IRQ) + sl->offset; + address = kmap_atomic(sg_page(sl), KM_BIO_SRC_IRQ) + sl->offset; if (to_buffer) memcpy(buffer, address, cpnow); else memcpy(address, buffer, cpnow); - flush_dcache_page(sl->page); + flush_dcache_page(sg_page(sl)); kunmap_atomic(address, KM_BIO_SRC_IRQ); local_irq_restore(flags); if (cpsum == cpcount) diff --git a/drivers/scsi/ibmmca.c b/drivers/scsi/ibmmca.c index 714e627..db004a4 100644 --- a/drivers/scsi/ibmmca.c +++ b/drivers/scsi/ibmmca.c @@ -1828,7 +1828,7 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) BUG_ON(scsi_sg_count(cmd) > 16); scsi_for_each_sg(cmd, sg, scsi_sg_count(cmd), i) { - ld(shpnt)[ldn].sge[i].address = (void *) (isa_page_to_bus(sg->page) + sg->offset); + ld(shpnt)[ldn].sge[i].address = (void *) (isa_page_to_bus(sg_page(sg)) + sg->offset); ld(shpnt)[ldn].sge[i].byte_length = sg->length; } scb->enable |= IM_POINTER_TO_LIST; diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index 252d180..8d0244c 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -175,18 +175,18 @@ static void idescsi_input_buffers (ide_drive_t *drive, idescsi_pc_t *pc, unsigne while (bcount) { count = min(pc->sg->length - pc->b_count, bcount); - if (PageHighMem(pc->sg->page)) { + if (PageHighMem(sg_page(pc->sg))) { unsigned long flags; local_irq_save(flags); - buf = kmap_atomic(pc->sg->page, KM_IRQ0) + + buf = kmap_atomic(sg_page(pc->sg), KM_IRQ0) + pc->sg->offset; drive->hwif->atapi_input_bytes(drive, buf + pc->b_count, count); kunmap_atomic(buf - pc->sg->offset, KM_IRQ0); local_irq_restore(flags); } else { - buf = page_address(pc->sg->page) + pc->sg->offset; + buf = sg_virt(pc->sg); drive->hwif->atapi_input_bytes(drive, buf + pc->b_count, count); } @@ -212,18 +212,18 @@ static void idescsi_output_buffers (ide_drive_t *drive, idescsi_pc_t *pc, unsign while (bcount) { count = min(pc->sg->length - pc->b_count, bcount); - if (PageHighMem(pc->sg->page)) { + if (PageHighMem(sg_page(pc->sg))) { unsigned long flags; local_irq_save(flags); - buf = kmap_atomic(pc->sg->page, KM_IRQ0) + + buf = kmap_atomic(sg_page(pc->sg), KM_IRQ0) + pc->sg->offset; drive->hwif->atapi_output_bytes(drive, buf + pc->b_count, count); kunmap_atomic(buf - pc->sg->offset, KM_IRQ0); local_irq_restore(flags); } else { - buf = page_address(pc->sg->page) + pc->sg->offset; + buf = sg_virt(pc->sg); drive->hwif->atapi_output_bytes(drive, buf + pc->b_count, count); } diff --git a/drivers/scsi/imm.c b/drivers/scsi/imm.c index 74cdc1f..a3d0c6b 100644 --- a/drivers/scsi/imm.c +++ b/drivers/scsi/imm.c @@ -705,9 +705,7 @@ static int imm_completion(struct scsi_cmnd *cmd) cmd->SCp.buffer++; cmd->SCp.this_residual = cmd->SCp.buffer->length; - cmd->SCp.ptr = - page_address(cmd->SCp.buffer->page) + - cmd->SCp.buffer->offset; + cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); /* * Make sure that we transfer even number of bytes @@ -844,9 +842,7 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd) cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer; cmd->SCp.this_residual = cmd->SCp.buffer->length; - cmd->SCp.ptr = - page_address(cmd->SCp.buffer->page) + - cmd->SCp.buffer->offset; + cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); } else { /* else fill the only available buffer */ cmd->SCp.buffer = NULL; diff --git a/drivers/scsi/in2000.c b/drivers/scsi/in2000.c index ab7cbf3..c8b452f 100644 --- a/drivers/scsi/in2000.c +++ b/drivers/scsi/in2000.c @@ -372,7 +372,7 @@ static int in2000_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) if (cmd->use_sg) { cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer; cmd->SCp.buffers_residual = cmd->use_sg - 1; - cmd->SCp.ptr = (char *) page_address(cmd->SCp.buffer->page) + cmd->SCp.buffer->offset; + cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); cmd->SCp.this_residual = cmd->SCp.buffer->length; } else { cmd->SCp.buffer = NULL; @@ -764,7 +764,7 @@ static void transfer_bytes(Scsi_Cmnd * cmd, int data_in_dir) ++cmd->SCp.buffer; --cmd->SCp.buffers_residual; cmd->SCp.this_residual = cmd->SCp.buffer->length; - cmd->SCp.ptr = page_address(cmd->SCp.buffer->page) + cmd->SCp.buffer->offset; + cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); } /* Set up hardware registers */ diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index c316a0b..439b97a 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -2872,6 +2872,7 @@ static struct ipr_sglist *ipr_alloc_ucode_buffer(int buf_len) } scatterlist = sglist->scatterlist; + sg_init_table(scatterlist, num_elem); sglist->order = order; sglist->num_sg = num_elem; @@ -2884,12 +2885,12 @@ static struct ipr_sglist *ipr_alloc_ucode_buffer(int buf_len) /* Free up what we already allocated */ for (j = i - 1; j >= 0; j--) - __free_pages(scatterlist[j].page, order); + __free_pages(sg_page(&scatterlist[j]), order); kfree(sglist); return NULL; } - scatterlist[i].page = page; + sg_set_page(&scatterlist[i], page); } return sglist; @@ -2910,7 +2911,7 @@ static void ipr_free_ucode_buffer(struct ipr_sglist *sglist) int i; for (i = 0; i < sglist->num_sg; i++) - __free_pages(sglist->scatterlist[i].page, sglist->order); + __free_pages(sg_page(&sglist->scatterlist[i]), sglist->order); kfree(sglist); } @@ -2940,9 +2941,11 @@ static int ipr_copy_ucode_buffer(struct ipr_sglist *sglist, scatterlist = sglist->scatterlist; for (i = 0; i < (len / bsize_elem); i++, buffer += bsize_elem) { - kaddr = kmap(scatterlist[i].page); + struct page *page = sg_page(&scatterlist[i]); + + kaddr = kmap(page); memcpy(kaddr, buffer, bsize_elem); - kunmap(scatterlist[i].page); + kunmap(page); scatterlist[i].length = bsize_elem; @@ -2953,9 +2956,11 @@ static int ipr_copy_ucode_buffer(struct ipr_sglist *sglist, } if (len % bsize_elem) { - kaddr = kmap(scatterlist[i].page); + struct page *page = sg_page(&scatterlist[i]); + + kaddr = kmap(page); memcpy(kaddr, buffer, len % bsize_elem); - kunmap(scatterlist[i].page); + kunmap(page); scatterlist[i].length = len % bsize_elem; } diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c index edaac27..5c5a9b2 100644 --- a/drivers/scsi/ips.c +++ b/drivers/scsi/ips.c @@ -1515,7 +1515,7 @@ static int ips_is_passthru(struct scsi_cmnd *SC) /* kmap_atomic() ensures addressability of the user buffer.*/ /* local_irq_save() protects the KM_IRQ0 address slot. */ local_irq_save(flags); - buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; + buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; if (buffer && buffer[0] == 'C' && buffer[1] == 'O' && buffer[2] == 'P' && buffer[3] == 'P') { kunmap_atomic(buffer - sg->offset, KM_IRQ0); @@ -3523,7 +3523,7 @@ ips_scmd_buf_write(struct scsi_cmnd *scmd, void *data, unsigned int count) /* kmap_atomic() ensures addressability of the data buffer.*/ /* local_irq_save() protects the KM_IRQ0 address slot. */ local_irq_save(flags); - buffer = kmap_atomic(sg[i].page, KM_IRQ0) + sg[i].offset; + buffer = kmap_atomic(sg_page(&sg[i]), KM_IRQ0) + sg[i].offset; memcpy(buffer, &cdata[xfer_cnt], min_cnt); kunmap_atomic(buffer - sg[i].offset, KM_IRQ0); local_irq_restore(flags); @@ -3556,7 +3556,7 @@ ips_scmd_buf_read(struct scsi_cmnd *scmd, void *data, unsigned int count) /* kmap_atomic() ensures addressability of the data buffer.*/ /* local_irq_save() protects the KM_IRQ0 address slot. */ local_irq_save(flags); - buffer = kmap_atomic(sg[i].page, KM_IRQ0) + sg[i].offset; + buffer = kmap_atomic(sg_page(&sg[i]), KM_IRQ0) + sg[i].offset; memcpy(&cdata[xfer_cnt], buffer, min_cnt); kunmap_atomic(buffer - sg[i].offset, KM_IRQ0); local_irq_restore(flags); diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index a21455d..6ce4109 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -70,9 +70,7 @@ module_param_named(max_lun, iscsi_max_lun, uint, S_IRUGO); static inline void iscsi_buf_init_iov(struct iscsi_buf *ibuf, char *vbuf, int size) { - ibuf->sg.page = virt_to_page(vbuf); - ibuf->sg.offset = offset_in_page(vbuf); - ibuf->sg.length = size; + sg_init_one(&ibuf->sg, vbuf, size); ibuf->sent = 0; ibuf->use_sendmsg = 1; } @@ -80,13 +78,14 @@ iscsi_buf_init_iov(struct iscsi_buf *ibuf, char *vbuf, int size) static inline void iscsi_buf_init_sg(struct iscsi_buf *ibuf, struct scatterlist *sg) { - ibuf->sg.page = sg->page; + sg_init_table(&ibuf->sg, 1); + sg_set_page(&ibuf->sg, sg_page(sg)); ibuf->sg.offset = sg->offset; ibuf->sg.length = sg->length; /* * Fastpath: sg element fits into single page */ - if (sg->length + sg->offset <= PAGE_SIZE && !PageSlab(sg->page)) + if (sg->length + sg->offset <= PAGE_SIZE && !PageSlab(sg_page(sg))) ibuf->use_sendmsg = 0; else ibuf->use_sendmsg = 1; @@ -716,7 +715,7 @@ static int iscsi_scsi_data_in(struct iscsi_conn *conn) for (i = tcp_ctask->sg_count; i < scsi_sg_count(sc); i++) { char *dest; - dest = kmap_atomic(sg[i].page, KM_SOFTIRQ0); + dest = kmap_atomic(sg_page(&sg[i]), KM_SOFTIRQ0); rc = iscsi_ctask_copy(tcp_conn, ctask, dest + sg[i].offset, sg[i].length, offset); kunmap_atomic(dest, KM_SOFTIRQ0); @@ -1103,9 +1102,9 @@ iscsi_send(struct iscsi_conn *conn, struct iscsi_buf *buf, int size, int flags) * slab case. */ if (buf->use_sendmsg) - res = sock_no_sendpage(sk, buf->sg.page, offset, size, flags); + res = sock_no_sendpage(sk, sg_page(&buf->sg), offset, size, flags); else - res = tcp_conn->sendpage(sk, buf->sg.page, offset, size, flags); + res = tcp_conn->sendpage(sk, sg_page(&buf->sg), offset, size, flags); if (res >= 0) { conn->txdata_octets += res; diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 10d1aff..66c6520 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -658,7 +658,7 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy) struct scatterlist *sg; sg = scsi_sglist(cmd); - buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; + buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; memset(buf, 0, cmd->cmnd[4]); kunmap_atomic(buf - sg->offset, KM_IRQ0); @@ -1542,10 +1542,8 @@ mega_cmd_done(adapter_t *adapter, u8 completed[], int nstatus, int status) if( cmd->cmnd[0] == INQUIRY && !islogical ) { sgl = scsi_sglist(cmd); - if( sgl->page ) { - c = *(unsigned char *) - page_address((&sgl[0])->page) + - (&sgl[0])->offset; + if( sg_page(sgl) ) { + c = *(unsigned char *) sg_virt(&sgl[0]); } else { printk(KERN_WARNING "megaraid: invalid sg.\n"); diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c index 7877920..c892310 100644 --- a/drivers/scsi/megaraid/megaraid_mbox.c +++ b/drivers/scsi/megaraid/megaraid_mbox.c @@ -1584,10 +1584,8 @@ megaraid_mbox_build_cmd(adapter_t *adapter, struct scsi_cmnd *scp, int *busy) caddr_t vaddr; sgl = scsi_sglist(scp); - if (sgl->page) { - vaddr = (caddr_t) - (page_address((&sgl[0])->page) - + (&sgl[0])->offset); + if (sg_page(sgl)) { + vaddr = (caddr_t) sg_virt(&sgl[0]); memset(vaddr, 0, scp->cmnd[4]); } @@ -2328,10 +2326,8 @@ megaraid_mbox_dpc(unsigned long devp) && IS_RAID_CH(raid_dev, scb->dev_channel)) { sgl = scsi_sglist(scp); - if (sgl->page) { - c = *(unsigned char *) - (page_address((&sgl[0])->page) + - (&sgl[0])->offset); + if (sg_page(sgl)) { + c = *(unsigned char *) sg_virt(&sgl[0]); } else { con_log(CL_ANN, (KERN_WARNING "megaraid mailbox: invalid sg:%d\n", diff --git a/drivers/scsi/oktagon_esp.c b/drivers/scsi/oktagon_esp.c index 26a6d55..8e5eadb 100644 --- a/drivers/scsi/oktagon_esp.c +++ b/drivers/scsi/oktagon_esp.c @@ -550,8 +550,7 @@ void dma_mmu_get_scsi_one(struct NCR_ESP *esp, Scsi_Cmnd *sp) void dma_mmu_get_scsi_sgl(struct NCR_ESP *esp, Scsi_Cmnd *sp) { - sp->SCp.ptr = page_address(sp->SCp.buffer->page)+ - sp->SCp.buffer->offset; + sp->SCp.ptr = sg_virt(sp->SCp.buffer); } void dma_mmu_release_scsi_one(struct NCR_ESP *esp, Scsi_Cmnd *sp) @@ -564,8 +563,7 @@ void dma_mmu_release_scsi_sgl(struct NCR_ESP *esp, Scsi_Cmnd *sp) void dma_advance_sg(Scsi_Cmnd *sp) { - sp->SCp.ptr = page_address(sp->SCp.buffer->page)+ - sp->SCp.buffer->offset; + sp->SCp.ptr = sg_virt(sp->SCp.buffer); } diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c index 331b789..1c5c4b6 100644 --- a/drivers/scsi/osst.c +++ b/drivers/scsi/osst.c @@ -542,7 +542,7 @@ static int osst_verify_frame(struct osst_tape * STp, int frame_seq_number, int q if (STp->raw) { if (STp->buffer->syscall_result) { for (i=0; i < STp->buffer->sg_segs; i++) - memset(page_address(STp->buffer->sg[i].page), + memset(page_address(sg_page(&STp->buffer->sg[i])), 0, STp->buffer->sg[i].length); strcpy(STp->buffer->b_data, "READ ERROR ON FRAME"); } else @@ -4437,7 +4437,7 @@ static int os_scsi_tape_open(struct inode * inode, struct file * filp) for (i = 0, b_size = 0; (i < STp->buffer->sg_segs) && ((b_size + STp->buffer->sg[i].length) <= OS_DATA_SIZE); b_size += STp->buffer->sg[i++].length); - STp->buffer->aux = (os_aux_t *) (page_address(STp->buffer->sg[i].page) + OS_DATA_SIZE - b_size); + STp->buffer->aux = (os_aux_t *) (page_address(sg_page(&STp->buffer->sg[i])) + OS_DATA_SIZE - b_size); #if DEBUG printk(OSST_DEB_MSG "%s:D: b_data points to %p in segment 0 at %p\n", name, STp->buffer->b_data, page_address(STp->buffer->sg[0].page)); @@ -5252,25 +5252,26 @@ static int enlarge_buffer(struct osst_buffer *STbuffer, int need_dma) /* Try to allocate the first segment up to OS_DATA_SIZE and the others big enough to reach the goal (code assumes no segments in place) */ for (b_size = OS_DATA_SIZE, order = OSST_FIRST_ORDER; b_size >= PAGE_SIZE; order--, b_size /= 2) { - STbuffer->sg[0].page = alloc_pages(priority, order); + struct page *page = alloc_pages(priority, order); + STbuffer->sg[0].offset = 0; - if (STbuffer->sg[0].page != NULL) { + if (page != NULL) { + sg_set_page(&STbuffer->sg[0], page); STbuffer->sg[0].length = b_size; - STbuffer->b_data = page_address(STbuffer->sg[0].page); + STbuffer->b_data = page_address(page); break; } } - if (STbuffer->sg[0].page == NULL) { + if (sg_page(&STbuffer->sg[0]) == NULL) { printk(KERN_NOTICE "osst :I: Can't allocate tape buffer main segment.\n"); return 0; } /* Got initial segment of 'bsize,order', continue with same size if possible, except for AUX */ for (segs=STbuffer->sg_segs=1, got=b_size; segs < max_segs && got < OS_FRAME_SIZE; ) { - STbuffer->sg[segs].page = - alloc_pages(priority, (OS_FRAME_SIZE - got <= PAGE_SIZE) ? 0 : order); + struct page *page = alloc_pages(priority, (OS_FRAME_SIZE - got <= PAGE_SIZE) ? 0 : order); STbuffer->sg[segs].offset = 0; - if (STbuffer->sg[segs].page == NULL) { + if (page == NULL) { if (OS_FRAME_SIZE - got <= (max_segs - segs) * b_size / 2 && order) { b_size /= 2; /* Large enough for the rest of the buffers */ order--; @@ -5284,6 +5285,7 @@ static int enlarge_buffer(struct osst_buffer *STbuffer, int need_dma) normalize_buffer(STbuffer); return 0; } + sg_set_page(&STbuffer->sg[segs], page); STbuffer->sg[segs].length = (OS_FRAME_SIZE - got <= PAGE_SIZE / 2) ? (OS_FRAME_SIZE - got) : b_size; got += STbuffer->sg[segs].length; STbuffer->buffer_size = got; @@ -5316,7 +5318,7 @@ static void normalize_buffer(struct osst_buffer *STbuffer) b_size < STbuffer->sg[i].length; b_size *= 2, order++); - __free_pages(STbuffer->sg[i].page, order); + __free_pages(sg_page(&STbuffer->sg[i]), order); STbuffer->buffer_size -= STbuffer->sg[i].length; } #if DEBUG @@ -5344,7 +5346,7 @@ static int append_to_buffer(const char __user *ubp, struct osst_buffer *st_bp, i for ( ; i < st_bp->sg_segs && do_count > 0; i++) { cnt = st_bp->sg[i].length - offset < do_count ? st_bp->sg[i].length - offset : do_count; - res = copy_from_user(page_address(st_bp->sg[i].page) + offset, ubp, cnt); + res = copy_from_user(page_address(sg_page(&st_bp->sg[i])) + offset, ubp, cnt); if (res) return (-EFAULT); do_count -= cnt; @@ -5377,7 +5379,7 @@ static int from_buffer(struct osst_buffer *st_bp, char __user *ubp, int do_count for ( ; i < st_bp->sg_segs && do_count > 0; i++) { cnt = st_bp->sg[i].length - offset < do_count ? st_bp->sg[i].length - offset : do_count; - res = copy_to_user(ubp, page_address(st_bp->sg[i].page) + offset, cnt); + res = copy_to_user(ubp, page_address(sg_page(&st_bp->sg[i])) + offset, cnt); if (res) return (-EFAULT); do_count -= cnt; @@ -5410,7 +5412,7 @@ static int osst_zero_buffer_tail(struct osst_buffer *st_bp) i < st_bp->sg_segs && do_count > 0; i++) { cnt = st_bp->sg[i].length - offset < do_count ? st_bp->sg[i].length - offset : do_count ; - memset(page_address(st_bp->sg[i].page) + offset, 0, cnt); + memset(page_address(sg_page(&st_bp->sg[i])) + offset, 0, cnt); do_count -= cnt; offset = 0; } @@ -5430,7 +5432,7 @@ static int osst_copy_to_buffer(struct osst_buffer *st_bp, unsigned char *ptr) for (i = 0; i < st_bp->sg_segs && do_count > 0; i++) { cnt = st_bp->sg[i].length < do_count ? st_bp->sg[i].length : do_count ; - memcpy(page_address(st_bp->sg[i].page), ptr, cnt); + memcpy(page_address(sg_page(&st_bp->sg[i])), ptr, cnt); do_count -= cnt; ptr += cnt; } @@ -5451,7 +5453,7 @@ static int osst_copy_from_buffer(struct osst_buffer *st_bp, unsigned char *ptr) for (i = 0; i < st_bp->sg_segs && do_count > 0; i++) { cnt = st_bp->sg[i].length < do_count ? st_bp->sg[i].length : do_count ; - memcpy(ptr, page_address(st_bp->sg[i].page), cnt); + memcpy(ptr, page_address(sg_page(&st_bp->sg[i])), cnt); do_count -= cnt; ptr += cnt; } diff --git a/drivers/scsi/pcmcia/nsp_cs.h b/drivers/scsi/pcmcia/nsp_cs.h index 9839755..7db28cd 100644 --- a/drivers/scsi/pcmcia/nsp_cs.h +++ b/drivers/scsi/pcmcia/nsp_cs.h @@ -393,7 +393,7 @@ enum _burst_mode { #define MSG_EXT_SDTR 0x01 /* scatter-gather table */ -# define BUFFER_ADDR ((char *)((unsigned int)(SCpnt->SCp.buffer->page) + SCpnt->SCp.buffer->offset)) +# define BUFFER_ADDR ((char *)((sg_virt(SCpnt->SCp.buffer)))) #endif /*__nsp_cs__*/ /* end */ diff --git a/drivers/scsi/pcmcia/sym53c500_cs.c b/drivers/scsi/pcmcia/sym53c500_cs.c index 190e2a7..969b938 100644 --- a/drivers/scsi/pcmcia/sym53c500_cs.c +++ b/drivers/scsi/pcmcia/sym53c500_cs.c @@ -443,8 +443,7 @@ SYM53C500_intr(int irq, void *dev_id) scsi_for_each_sg(curSC, sg, scsi_sg_count(curSC), i) { SYM53C500_pio_write(fast_pio, port_base, - page_address(sg->page) + sg->offset, - sg->length); + sg_virt(sg), sg->length); } REG0(port_base); } @@ -463,8 +462,7 @@ SYM53C500_intr(int irq, void *dev_id) scsi_for_each_sg(curSC, sg, scsi_sg_count(curSC), i) { SYM53C500_pio_read(fast_pio, port_base, - page_address(sg->page) + sg->offset, - sg->length); + sg_virt(sg), sg->length); } REG0(port_base); } diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c index 67b6d76..67ee51a 100644 --- a/drivers/scsi/ppa.c +++ b/drivers/scsi/ppa.c @@ -608,9 +608,7 @@ static int ppa_completion(struct scsi_cmnd *cmd) cmd->SCp.buffer++; cmd->SCp.this_residual = cmd->SCp.buffer->length; - cmd->SCp.ptr = - page_address(cmd->SCp.buffer->page) + - cmd->SCp.buffer->offset; + cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); } } /* Now check to see if the drive is ready to comunicate */ @@ -756,8 +754,7 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd) /* if many buffers are available, start filling the first */ cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer; cmd->SCp.this_residual = cmd->SCp.buffer->length; - cmd->SCp.ptr = page_address(cmd->SCp.buffer->page) + - cmd->SCp.buffer->offset; + cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); } else { /* else fill the only available buffer */ cmd->SCp.buffer = NULL; diff --git a/drivers/scsi/ps3rom.c b/drivers/scsi/ps3rom.c index 0f43d1d..03f19b8 100644 --- a/drivers/scsi/ps3rom.c +++ b/drivers/scsi/ps3rom.c @@ -111,14 +111,14 @@ static int fill_from_dev_buffer(struct scsi_cmnd *cmd, const void *buf) req_len = act_len = 0; scsi_for_each_sg(cmd, sgpnt, scsi_sg_count(cmd), k) { if (active) { - kaddr = kmap_atomic(sgpnt->page, KM_IRQ0); + kaddr = kmap_atomic(sg_page(sgpnt), KM_IRQ0); len = sgpnt->length; if ((req_len + len) > buflen) { active = 0; len = buflen - req_len; } memcpy(kaddr + sgpnt->offset, buf + req_len, len); - flush_kernel_dcache_page(sgpnt->page); + flush_kernel_dcache_page(sg_page(sgpnt)); kunmap_atomic(kaddr, KM_IRQ0); act_len += len; } @@ -147,7 +147,7 @@ static int fetch_to_dev_buffer(struct scsi_cmnd *cmd, void *buf) req_len = fin = 0; scsi_for_each_sg(cmd, sgpnt, scsi_sg_count(cmd), k) { - kaddr = kmap_atomic(sgpnt->page, KM_IRQ0); + kaddr = kmap_atomic(sg_page(sgpnt->page), KM_IRQ0); len = sgpnt->length; if ((req_len + len) > buflen) { len = buflen - req_len; diff --git a/drivers/scsi/qlogicfas408.c b/drivers/scsi/qlogicfas408.c index 2bfbf26..de7b3bc 100644 --- a/drivers/scsi/qlogicfas408.c +++ b/drivers/scsi/qlogicfas408.c @@ -317,7 +317,7 @@ static unsigned int ql_pcmd(struct scsi_cmnd *cmd) return ((priv->qabort == 1 ? DID_ABORT : DID_RESET) << 16); } - buf = page_address(sg->page) + sg->offset; + buf = sg_virt(sg); if (ql_pdma(priv, phase, buf, sg->length)) break; } diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 72ee4c9..46cae5a 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -625,7 +625,7 @@ static int fill_from_dev_buffer(struct scsi_cmnd * scp, unsigned char * arr, scsi_for_each_sg(scp, sg, scp->use_sg, k) { if (active) { kaddr = (unsigned char *) - kmap_atomic(sg->page, KM_USER0); + kmap_atomic(sg_page(sg), KM_USER0); if (NULL == kaddr) return (DID_ERROR << 16); kaddr_off = (unsigned char *)kaddr + sg->offset; @@ -672,7 +672,7 @@ static int fetch_to_dev_buffer(struct scsi_cmnd * scp, unsigned char * arr, sg = scsi_sglist(scp); req_len = fin = 0; for (k = 0; k < scp->use_sg; ++k, sg = sg_next(sg)) { - kaddr = (unsigned char *)kmap_atomic(sg->page, KM_USER0); + kaddr = (unsigned char *)kmap_atomic(sg_page(sg), KM_USER0); if (NULL == kaddr) return -1; kaddr_off = (unsigned char *)kaddr + sg->offset; diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index aac8a02..61fdaf0 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -295,7 +295,7 @@ static int scsi_req_map_sg(struct request *rq, struct scatterlist *sgl, int i, err, nr_vecs = 0; for_each_sg(sgl, sg, nsegs, i) { - page = sg->page; + page = sg_page(sg); off = sg->offset; len = sg->length; data_len += len; @@ -764,7 +764,7 @@ struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_mask) if (unlikely(!sgl)) goto enomem; - memset(sgl, 0, sizeof(*sgl) * sgp->size); + sg_init_table(sgl, sgp->size); /* * first loop through, set initial index and return value @@ -781,6 +781,13 @@ struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_mask) sg_chain(prev, SCSI_MAX_SG_SEGMENTS, sgl); /* + * if we have nothing left, mark the last segment as + * end-of-list + */ + if (!left) + sg_mark_end(sgl, this); + + /* * don't allow subsequent mempool allocs to sleep, it would * violate the mempool principle. */ @@ -2353,7 +2360,7 @@ void *scsi_kmap_atomic_sg(struct scatterlist *sgl, int sg_count, *offset = *offset - len_complete + sg->offset; /* Assumption: contiguous pages can be accessed as "page + i" */ - page = nth_page(sg->page, (*offset >> PAGE_SHIFT)); + page = nth_page(sg_page(sg), (*offset >> PAGE_SHIFT)); *offset &= ~PAGE_MASK; /* Bytes in this sg-entry from *offset to the end of the page */ diff --git a/drivers/scsi/seagate.c b/drivers/scsi/seagate.c index ce80fa9..b113244 100644 --- a/drivers/scsi/seagate.c +++ b/drivers/scsi/seagate.c @@ -999,14 +999,14 @@ connect_loop: for (i = 0; i < nobuffs; ++i) printk("scsi%d : buffer %d address = %p length = %d\n", hostno, i, - page_address(buffer[i].page) + buffer[i].offset, + sg_virt(&buffer[i]), buffer[i].length); } #endif buffer = (struct scatterlist *) SCint->request_buffer; len = buffer->length; - data = page_address(buffer->page) + buffer->offset; + data = sg_virt(buffer); } else { DPRINTK (DEBUG_SG, "scsi%d : scatter gather not requested.\n", hostno); buffer = NULL; @@ -1239,7 +1239,7 @@ connect_loop: --nobuffs; ++buffer; len = buffer->length; - data = page_address(buffer->page) + buffer->offset; + data = sg_virt(buffer); DPRINTK (DEBUG_SG, "scsi%d : next scatter-gather buffer len = %d address = %08x\n", hostno, len, data); @@ -1396,7 +1396,7 @@ connect_loop: --nobuffs; ++buffer; len = buffer->length; - data = page_address(buffer->page) + buffer->offset; + data = sg_virt(buffer); DPRINTK (DEBUG_SG, "scsi%d : next scatter-gather buffer len = %d address = %08x\n", hostno, len, data); } break; diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 7238b2d..cc19710 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1169,7 +1169,7 @@ sg_vma_nopage(struct vm_area_struct *vma, unsigned long addr, int *type) len = vma->vm_end - sa; len = (len < sg->length) ? len : sg->length; if (offset < len) { - page = virt_to_page(page_address(sg->page) + offset); + page = virt_to_page(page_address(sg_page(sg)) + offset); get_page(page); /* increment page count */ break; } @@ -1717,13 +1717,13 @@ st_map_user_pages(struct scatterlist *sgl, const unsigned int max_pages, goto out_unlock; */ } - sgl[0].page = pages[0]; + sg_set_page(sgl, pages[0]); sgl[0].offset = uaddr & ~PAGE_MASK; if (nr_pages > 1) { sgl[0].length = PAGE_SIZE - sgl[0].offset; count -= sgl[0].length; for (i=1; i < nr_pages ; i++) { - sgl[i].page = pages[i]; + sg_set_page(&sgl[i], pages[i]); sgl[i].length = count < PAGE_SIZE ? count : PAGE_SIZE; count -= PAGE_SIZE; } @@ -1754,7 +1754,7 @@ st_unmap_user_pages(struct scatterlist *sgl, const unsigned int nr_pages, int i; for (i=0; i < nr_pages; i++) { - struct page *page = sgl[i].page; + struct page *page = sg_page(&sgl[i]); if (dirtied) SetPageDirty(page); @@ -1854,7 +1854,7 @@ sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size) scatter_elem_sz_prev = ret_sz; } } - sg->page = p; + sg_set_page(sg, p); sg->length = (ret_sz > num) ? num : ret_sz; SCSI_LOG_TIMEOUT(5, printk("sg_build_indirect: k=%d, num=%d, " @@ -1907,14 +1907,14 @@ sg_write_xfer(Sg_request * srp) onum = 1; ksglen = sg->length; - p = page_address(sg->page); + p = page_address(sg_page(sg)); for (j = 0, k = 0; j < onum; ++j) { res = sg_u_iovec(hp, iovec_count, j, 1, &usglen, &up); if (res) return res; for (; p; sg = sg_next(sg), ksglen = sg->length, - p = page_address(sg->page)) { + p = page_address(sg_page(sg))) { if (usglen <= 0) break; if (ksglen > usglen) { @@ -1991,12 +1991,12 @@ sg_remove_scat(Sg_scatter_hold * schp) } else { int k; - for (k = 0; (k < schp->k_use_sg) && sg->page; + for (k = 0; (k < schp->k_use_sg) && sg_page(sg); ++k, sg = sg_next(sg)) { SCSI_LOG_TIMEOUT(5, printk( "sg_remove_scat: k=%d, pg=0x%p, len=%d\n", - k, sg->page, sg->length)); - sg_page_free(sg->page, sg->length); + k, sg_page(sg), sg->length)); + sg_page_free(sg_page(sg), sg->length); } } kfree(schp->buffer); @@ -2038,7 +2038,7 @@ sg_read_xfer(Sg_request * srp) } else onum = 1; - p = page_address(sg->page); + p = page_address(sg_page(sg)); ksglen = sg->length; for (j = 0, k = 0; j < onum; ++j) { res = sg_u_iovec(hp, iovec_count, j, 0, &usglen, &up); @@ -2046,7 +2046,7 @@ sg_read_xfer(Sg_request * srp) return res; for (; p; sg = sg_next(sg), ksglen = sg->length, - p = page_address(sg->page)) { + p = page_address(sg_page(sg))) { if (usglen <= 0) break; if (ksglen > usglen) { @@ -2092,15 +2092,15 @@ sg_read_oxfer(Sg_request * srp, char __user *outp, int num_read_xfer) if ((!outp) || (num_read_xfer <= 0)) return 0; - for (k = 0; (k < schp->k_use_sg) && sg->page; ++k, sg = sg_next(sg)) { + for (k = 0; (k < schp->k_use_sg) && sg_page(sg); ++k, sg = sg_next(sg)) { num = sg->length; if (num > num_read_xfer) { - if (__copy_to_user(outp, page_address(sg->page), + if (__copy_to_user(outp, page_address(sg_page(sg)), num_read_xfer)) return -EFAULT; break; } else { - if (__copy_to_user(outp, page_address(sg->page), + if (__copy_to_user(outp, page_address(sg_page(sg)), num)) return -EFAULT; num_read_xfer -= num; diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 73c44cb..ce69b9e 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -3797,7 +3797,7 @@ static void buf_to_sg(struct st_buffer *STbp, unsigned int length) sg = &(STbp->sg[0]); frp = STbp->frp; for (i=count=0; count < length; i++) { - sg[i].page = frp[i].page; + sg_set_page(&sg[i], frp[i].page); if (length - count > frp[i].length) sg[i].length = frp[i].length; else @@ -4446,14 +4446,14 @@ static int sgl_map_user_pages(struct scatterlist *sgl, const unsigned int max_pa } /* Populate the scatter/gather list */ - sgl[0].page = pages[0]; + sg_set_page(&sgl[0], pages[0]); sgl[0].offset = uaddr & ~PAGE_MASK; if (nr_pages > 1) { sgl[0].length = PAGE_SIZE - sgl[0].offset; count -= sgl[0].length; for (i=1; i < nr_pages ; i++) { + sg_set_page(&sgl[i], pages[i]);; sgl[i].offset = 0; - sgl[i].page = pages[i]; sgl[i].length = count < PAGE_SIZE ? count : PAGE_SIZE; count -= PAGE_SIZE; } @@ -4483,7 +4483,7 @@ static int sgl_unmap_user_pages(struct scatterlist *sgl, const unsigned int nr_p int i; for (i=0; i < nr_pages; i++) { - struct page *page = sgl[i].page; + struct page *page = sg_page(&sgl[i]); if (dirtied) SetPageDirty(page); diff --git a/drivers/scsi/sun3_NCR5380.c b/drivers/scsi/sun3_NCR5380.c index 4aafe89..2dcde37 100644 --- a/drivers/scsi/sun3_NCR5380.c +++ b/drivers/scsi/sun3_NCR5380.c @@ -272,8 +272,7 @@ static struct scsi_host_template *the_template = NULL; #define HOSTNO instance->host_no #define H_NO(cmd) (cmd)->device->host->host_no -#define SGADDR(buffer) (void *)(((unsigned long)page_address((buffer)->page)) + \ - (buffer)->offset) +#define SGADDR(buffer) (void *)(((unsigned long)sg_virt(((buffer))))) #ifdef SUPPORT_TAGS diff --git a/drivers/scsi/sym53c416.c b/drivers/scsi/sym53c416.c index 8befab7..90cee94 100644 --- a/drivers/scsi/sym53c416.c +++ b/drivers/scsi/sym53c416.c @@ -196,7 +196,7 @@ static unsigned int sym53c416_base_3[2] = {0,0}; #define MAXHOSTS 4 -#define SG_ADDRESS(buffer) ((char *) (page_address((buffer)->page)+(buffer)->offset)) +#define SG_ADDRESS(buffer) ((char *) sg_virt((buffer))) enum phases { diff --git a/drivers/scsi/tmscsim.c b/drivers/scsi/tmscsim.c index 5c72ca3..4419304 100644 --- a/drivers/scsi/tmscsim.c +++ b/drivers/scsi/tmscsim.c @@ -430,10 +430,7 @@ static __inline__ void dc390_Going_remove (struct dc390_dcb* pDCB, struct dc390_ static struct scatterlist* dc390_sg_build_single(struct scatterlist *sg, void *addr, unsigned int length) { - memset(sg, 0, sizeof(struct scatterlist)); - sg->page = virt_to_page(addr); - sg->length = length; - sg->offset = (unsigned long)addr & ~PAGE_MASK; + sg_init_one(sg, addr, length); return sg; } diff --git a/drivers/scsi/ultrastor.c b/drivers/scsi/ultrastor.c index ea72bbe..6d1f0ed 100644 --- a/drivers/scsi/ultrastor.c +++ b/drivers/scsi/ultrastor.c @@ -681,7 +681,7 @@ static inline void build_sg_list(struct mscp *mscp, struct scsi_cmnd *SCpnt) max = scsi_sg_count(SCpnt); scsi_for_each_sg(SCpnt, sg, max, i) { - mscp->sglist[i].address = isa_page_to_bus(sg->page) + sg->offset; + mscp->sglist[i].address = isa_page_to_bus(sg_page(sg)) + sg->offset; mscp->sglist[i].num_bytes = sg->length; transfer_length += sg->length; } diff --git a/drivers/scsi/wd33c93.c b/drivers/scsi/wd33c93.c index 0e8e642..fdbb92d 100644 --- a/drivers/scsi/wd33c93.c +++ b/drivers/scsi/wd33c93.c @@ -410,8 +410,7 @@ wd33c93_queuecommand(struct scsi_cmnd *cmd, if (cmd->use_sg) { cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer; cmd->SCp.buffers_residual = cmd->use_sg - 1; - cmd->SCp.ptr = page_address(cmd->SCp.buffer->page) + - cmd->SCp.buffer->offset; + cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); cmd->SCp.this_residual = cmd->SCp.buffer->length; } else { cmd->SCp.buffer = NULL; @@ -745,8 +744,7 @@ transfer_bytes(const wd33c93_regs regs, struct scsi_cmnd *cmd, ++cmd->SCp.buffer; --cmd->SCp.buffers_residual; cmd->SCp.this_residual = cmd->SCp.buffer->length; - cmd->SCp.ptr = page_address(cmd->SCp.buffer->page) + - cmd->SCp.buffer->offset; + cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); } if (!cmd->SCp.this_residual) /* avoid bogus setups */ return; diff --git a/drivers/scsi/wd7000.c b/drivers/scsi/wd7000.c index 255c611..03cd44f 100644 --- a/drivers/scsi/wd7000.c +++ b/drivers/scsi/wd7000.c @@ -1123,7 +1123,7 @@ static int wd7000_queuecommand(struct scsi_cmnd *SCpnt, any2scsi(scb->maxlen, nseg * sizeof(Sgb)); scsi_for_each_sg(SCpnt, sg, nseg, i) { - any2scsi(sgb[i].ptr, isa_page_to_bus(sg->page) + sg->offset); + any2scsi(sgb[i].ptr, isa_page_to_bus(sg_page(sg)) + sg->offset); any2scsi(sgb[i].len, sg->length); } } else { diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 8dd5a6a..90d64a8 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -437,13 +437,11 @@ int usb_sg_init ( #if defined(CONFIG_HIGHMEM) || defined(CONFIG_IOMMU) io->urbs[i]->transfer_buffer = NULL; #else - io->urbs[i]->transfer_buffer = - page_address(sg[i].page) + sg[i].offset; + io->urbs[i]->transfer_buffer = sg_virt(&sg[i]); #endif } else { /* hc may use _only_ transfer_buffer */ - io->urbs [i]->transfer_buffer = - page_address (sg [i].page) + sg [i].offset; + io->urbs [i]->transfer_buffer = sg_virt(&sg[i]); len = sg [i].length; } diff --git a/drivers/usb/image/microtek.c b/drivers/usb/image/microtek.c index e7d982a..91e999c 100644 --- a/drivers/usb/image/microtek.c +++ b/drivers/usb/image/microtek.c @@ -519,8 +519,7 @@ static void mts_do_sg (struct urb* transfer) context->fragment++; mts_int_submit_urb(transfer, context->data_pipe, - page_address(sg[context->fragment].page) + - sg[context->fragment].offset, + sg_virt(&sg[context->fragment]), sg[context->fragment].length, context->fragment + 1 == scsi_sg_count(context->srb) ? mts_data_done : mts_do_sg); @@ -557,7 +556,7 @@ mts_build_transfer_context(struct scsi_cmnd *srb, struct mts_desc* desc) return; } else { sg = scsi_sglist(srb); - desc->context.data = page_address(sg[0].page) + sg[0].offset; + desc->context.data = sg_virt(&sg[0]); desc->context.data_length = sg[0].length; } diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index e901d31..ea31621 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -360,9 +360,9 @@ static void free_sglist (struct scatterlist *sg, int nents) if (!sg) return; for (i = 0; i < nents; i++) { - if (!sg [i].page) + if (!sg_page(&sg[i])) continue; - kfree (page_address (sg [i].page) + sg [i].offset); + kfree (sg_virt(&sg[i])); } kfree (sg); } diff --git a/drivers/usb/storage/protocol.c b/drivers/usb/storage/protocol.c index cc8f7c5..889622b 100644 --- a/drivers/usb/storage/protocol.c +++ b/drivers/usb/storage/protocol.c @@ -195,7 +195,7 @@ unsigned int usb_stor_access_xfer_buf(unsigned char *buffer, * the *offset and *index values for the next loop. */ cnt = 0; while (cnt < buflen) { - struct page *page = sg->page + + struct page *page = sg_page(sg) + ((sg->offset + *offset) >> PAGE_SHIFT); unsigned int poff = (sg->offset + *offset) & (PAGE_SIZE-1); diff --git a/drivers/watchdog/mpc5200_wdt.c b/drivers/watchdog/mpc5200_wdt.c index 9cfb975..11f6a11 100644 --- a/drivers/watchdog/mpc5200_wdt.c +++ b/drivers/watchdog/mpc5200_wdt.c @@ -176,6 +176,8 @@ static int mpc5200_wdt_probe(struct of_device *op, const struct of_device_id *ma has_wdt = of_get_property(op->node, "has-wdt", NULL); if (!has_wdt) + has_wdt = of_get_property(op->node, "fsl,has-wdt", NULL); + if (!has_wdt) return -ENODEV; wdt = kzalloc(sizeof(*wdt), GFP_KERNEL); @@ -254,6 +256,7 @@ static int mpc5200_wdt_shutdown(struct of_device *op) static struct of_device_id mpc5200_wdt_match[] = { { .compatible = "mpc5200-gpt", }, + { .compatible = "fsl,mpc5200-gpt", }, {}, }; static struct of_platform_driver mpc5200_wdt_driver = { |