diff options
Diffstat (limited to 'drivers/scsi/mvsas/mv_sas.c')
| -rw-r--r-- | drivers/scsi/mvsas/mv_sas.c | 422 |
1 files changed, 163 insertions, 259 deletions
diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index 0ef2742..4958fef 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -38,7 +38,7 @@ static int mvs_find_tag(struct mvs_info *mvi, struct sas_task *task, u32 *tag) void mvs_tag_clear(struct mvs_info *mvi, u32 tag) { - void *bitmap = &mvi->tags; + void *bitmap = mvi->tags; clear_bit(tag, bitmap); } @@ -49,14 +49,14 @@ void mvs_tag_free(struct mvs_info *mvi, u32 tag) void mvs_tag_set(struct mvs_info *mvi, unsigned int tag) { - void *bitmap = &mvi->tags; + void *bitmap = mvi->tags; set_bit(tag, bitmap); } inline int mvs_tag_alloc(struct mvs_info *mvi, u32 *tag_out) { unsigned int index, tag; - void *bitmap = &mvi->tags; + void *bitmap = mvi->tags; index = find_first_zero_bit(bitmap, mvi->tags_num); tag = index; @@ -74,126 +74,6 @@ void mvs_tag_init(struct mvs_info *mvi) mvs_tag_clear(mvi, i); } -void mvs_hexdump(u32 size, u8 *data, u32 baseaddr) -{ - u32 i; - u32 run; - u32 offset; - - offset = 0; - while (size) { - printk(KERN_DEBUG"%08X : ", baseaddr + offset); - if (size >= 16) - run = 16; - else - run = size; - size -= run; - for (i = 0; i < 16; i++) { - if (i < run) - printk(KERN_DEBUG"%02X ", (u32)data[i]); - else - printk(KERN_DEBUG" "); - } - printk(KERN_DEBUG": "); - for (i = 0; i < run; i++) - printk(KERN_DEBUG"%c", - isalnum(data[i]) ? data[i] : '.'); - printk(KERN_DEBUG"\n"); - data = &data[16]; - offset += run; - } - printk(KERN_DEBUG"\n"); -} - -#if (_MV_DUMP > 1) -static void mvs_hba_sb_dump(struct mvs_info *mvi, u32 tag, - enum sas_protocol proto) -{ - u32 offset; - struct mvs_slot_info *slot = &mvi->slot_info[tag]; - - offset = slot->cmd_size + MVS_OAF_SZ + - MVS_CHIP_DISP->prd_size() * slot->n_elem; - dev_printk(KERN_DEBUG, mvi->dev, "+---->Status buffer[%d] :\n", - tag); - mvs_hexdump(32, (u8 *) slot->response, - (u32) slot->buf_dma + offset); -} -#endif - -static void mvs_hba_memory_dump(struct mvs_info *mvi, u32 tag, - enum sas_protocol proto) -{ -#if (_MV_DUMP > 1) - u32 sz, w_ptr; - u64 addr; - struct mvs_slot_info *slot = &mvi->slot_info[tag]; - - /*Delivery Queue */ - sz = MVS_CHIP_SLOT_SZ; - w_ptr = slot->tx; - addr = mvi->tx_dma; - dev_printk(KERN_DEBUG, mvi->dev, - "Delivery Queue Size=%04d , WRT_PTR=%04X\n", sz, w_ptr); - dev_printk(KERN_DEBUG, mvi->dev, - "Delivery Queue Base Address=0x%llX (PA)" - "(tx_dma=0x%llX), Entry=%04d\n", - addr, (unsigned long long)mvi->tx_dma, w_ptr); - mvs_hexdump(sizeof(u32), (u8 *)(&mvi->tx[mvi->tx_prod]), - (u32) mvi->tx_dma + sizeof(u32) * w_ptr); - /*Command List */ - addr = mvi->slot_dma; - dev_printk(KERN_DEBUG, mvi->dev, - "Command List Base Address=0x%llX (PA)" - "(slot_dma=0x%llX), Header=%03d\n", - addr, (unsigned long long)slot->buf_dma, tag); - dev_printk(KERN_DEBUG, mvi->dev, "Command Header[%03d]:\n", tag); - /*mvs_cmd_hdr */ - mvs_hexdump(sizeof(struct mvs_cmd_hdr), (u8 *)(&mvi->slot[tag]), - (u32) mvi->slot_dma + tag * sizeof(struct mvs_cmd_hdr)); - /*1.command table area */ - dev_printk(KERN_DEBUG, mvi->dev, "+---->Command Table :\n"); - mvs_hexdump(slot->cmd_size, (u8 *) slot->buf, (u32) slot->buf_dma); - /*2.open address frame area */ - dev_printk(KERN_DEBUG, mvi->dev, "+---->Open Address Frame :\n"); - mvs_hexdump(MVS_OAF_SZ, (u8 *) slot->buf + slot->cmd_size, - (u32) slot->buf_dma + slot->cmd_size); - /*3.status buffer */ - mvs_hba_sb_dump(mvi, tag, proto); - /*4.PRD table */ - dev_printk(KERN_DEBUG, mvi->dev, "+---->PRD table :\n"); - mvs_hexdump(MVS_CHIP_DISP->prd_size() * slot->n_elem, - (u8 *) slot->buf + slot->cmd_size + MVS_OAF_SZ, - (u32) slot->buf_dma + slot->cmd_size + MVS_OAF_SZ); -#endif -} - -static void mvs_hba_cq_dump(struct mvs_info *mvi) -{ -#if (_MV_DUMP > 2) - u64 addr; - void __iomem *regs = mvi->regs; - u32 entry = mvi->rx_cons + 1; - u32 rx_desc = le32_to_cpu(mvi->rx[entry]); - - /*Completion Queue */ - addr = mr32(RX_HI) << 16 << 16 | mr32(RX_LO); - dev_printk(KERN_DEBUG, mvi->dev, "Completion Task = 0x%p\n", - mvi->slot_info[rx_desc & RXQ_SLOT_MASK].task); - dev_printk(KERN_DEBUG, mvi->dev, - "Completion List Base Address=0x%llX (PA), " - "CQ_Entry=%04d, CQ_WP=0x%08X\n", - addr, entry - 1, mvi->rx[0]); - mvs_hexdump(sizeof(u32), (u8 *)(&rx_desc), - mvi->rx_dma + sizeof(u32) * entry); -#endif -} - -void mvs_get_sas_addr(void *buf, u32 buflen) -{ - /*memcpy(buf, "\x50\x05\x04\x30\x11\xab\x64\x40", 8);*/ -} - struct mvs_info *mvs_find_dev_mvi(struct domain_device *dev) { unsigned long i = 0, j = 0, hi = 0; @@ -222,7 +102,6 @@ struct mvs_info *mvs_find_dev_mvi(struct domain_device *dev) } -/* FIXME */ int mvs_find_dev_phyno(struct domain_device *dev, int *phyno) { unsigned long i = 0, j = 0, n = 0, num = 0; @@ -253,6 +132,20 @@ int mvs_find_dev_phyno(struct domain_device *dev, int *phyno) return num; } +struct mvs_device *mvs_find_dev_by_reg_set(struct mvs_info *mvi, + u8 reg_set) +{ + u32 dev_no; + for (dev_no = 0; dev_no < MVS_MAX_DEVICES; dev_no++) { + if (mvi->devices[dev_no].taskfileset == MVS_ID_NOT_MAPPED) + continue; + + if (mvi->devices[dev_no].taskfileset == reg_set) + return &mvi->devices[dev_no]; + } + return NULL; +} + static inline void mvs_free_reg_set(struct mvs_info *mvi, struct mvs_device *dev) { @@ -283,7 +176,6 @@ void mvs_phys_reset(struct mvs_info *mvi, u32 phy_mask, int hard) } } -/* FIXME: locking? */ int mvs_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func, void *funcdata) { @@ -309,12 +201,12 @@ int mvs_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func, tmp = MVS_CHIP_DISP->read_phy_ctl(mvi, phy_id); if (tmp & PHY_RST_HARD) break; - MVS_CHIP_DISP->phy_reset(mvi, phy_id, 1); + MVS_CHIP_DISP->phy_reset(mvi, phy_id, MVS_HARD_RESET); break; case PHY_FUNC_LINK_RESET: MVS_CHIP_DISP->phy_enable(mvi, phy_id); - MVS_CHIP_DISP->phy_reset(mvi, phy_id, 0); + MVS_CHIP_DISP->phy_reset(mvi, phy_id, MVS_SOFT_RESET); break; case PHY_FUNC_DISABLE: @@ -406,14 +298,10 @@ int mvs_slave_configure(struct scsi_device *sdev) if (ret) return ret; - if (dev_is_sata(dev)) { - /* may set PIO mode */ - #if MV_DISABLE_NCQ - struct ata_port *ap = dev->sata_dev.ap; - struct ata_device *adev = ap->link.device; - adev->flags |= ATA_DFLAG_NCQ_OFF; - scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, 1); - #endif + if (!dev_is_sata(dev)) { + sas_change_queue_depth(sdev, + MVS_QUEUE_SIZE, + SCSI_QDEPTH_DEFAULT); } return 0; } @@ -424,6 +312,7 @@ void mvs_scan_start(struct Scsi_Host *shost) unsigned short core_nr; struct mvs_info *mvi; struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); + struct mvs_prv_info *mvs_prv = sha->lldd_ha; core_nr = ((struct mvs_prv_info *)sha->lldd_ha)->n_host; @@ -432,15 +321,17 @@ void mvs_scan_start(struct Scsi_Host *shost) for (i = 0; i < mvi->chip->n_phy; ++i) mvs_bytes_dmaed(mvi, i); } + mvs_prv->scan_finished = 1; } int mvs_scan_finished(struct Scsi_Host *shost, unsigned long time) { - /* give the phy enabling interrupt event time to come in (1s - * is empirically about all it takes) */ - if (time < HZ) + struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); + struct mvs_prv_info *mvs_prv = sha->lldd_ha; + + if (mvs_prv->scan_finished == 0) return 0; - /* Wait for discovery to finish */ + scsi_flush_work(shost); return 1; } @@ -461,10 +352,7 @@ static int mvs_task_prep_smp(struct mvs_info *mvi, void *buf_prd; struct mvs_slot_info *slot = &mvi->slot_info[tag]; u32 flags = (tei->n_elem << MCH_PRD_LEN_SHIFT); -#if _MV_DUMP - u8 *buf_cmd; - void *from; -#endif + /* * DMA-map SMP request, response buffers */ @@ -496,15 +384,7 @@ static int mvs_task_prep_smp(struct mvs_info *mvi, buf_tmp = slot->buf; buf_tmp_dma = slot->buf_dma; -#if _MV_DUMP - buf_cmd = buf_tmp; - hdr->cmd_tbl = cpu_to_le64(buf_tmp_dma); - buf_tmp += req_len; - buf_tmp_dma += req_len; - slot->cmd_size = req_len; -#else hdr->cmd_tbl = cpu_to_le64(sg_dma_address(sg_req)); -#endif /* region 2: open address frame area (MVS_OAF_SZ bytes) ********* */ buf_oaf = buf_tmp; @@ -553,12 +433,6 @@ static int mvs_task_prep_smp(struct mvs_info *mvi, /* fill in PRD (scatter/gather) table, if any */ MVS_CHIP_DISP->make_prd(task->scatter, tei->n_elem, buf_prd); -#if _MV_DUMP - /* copy cmd table */ - from = kmap_atomic(sg_page(sg_req), KM_IRQ0); - memcpy(buf_cmd, from + sg_req->offset, req_len); - kunmap_atomic(from, KM_IRQ0); -#endif return 0; err_out_2: @@ -616,14 +490,11 @@ static int mvs_task_prep_ata(struct mvs_info *mvi, (mvi_dev->taskfileset << TXQ_SRS_SHIFT); mvi->tx[mvi->tx_prod] = cpu_to_le32(del_q); -#ifndef DISABLE_HOTPLUG_DMA_FIX if (task->data_dir == DMA_FROM_DEVICE) flags = (MVS_CHIP_DISP->prd_count() << MCH_PRD_LEN_SHIFT); else flags = (tei->n_elem << MCH_PRD_LEN_SHIFT); -#else - flags = (tei->n_elem << MCH_PRD_LEN_SHIFT); -#endif + if (task->ata_task.use_ncq) flags |= MCH_FPDMA; if (dev->sata_dev.command_set == ATAPI_COMMAND_SET) { @@ -631,11 +502,8 @@ static int mvs_task_prep_ata(struct mvs_info *mvi, flags |= MCH_ATAPI; } - /* FIXME: fill in port multiplier number */ - hdr->flags = cpu_to_le32(flags); - /* FIXME: the low order order 5 bits for the TAG if enable NCQ */ if (task->ata_task.use_ncq && mvs_get_ncq_tag(task, &hdr_tag)) task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3); else @@ -657,9 +525,6 @@ static int mvs_task_prep_ata(struct mvs_info *mvi, buf_tmp += MVS_ATA_CMD_SZ; buf_tmp_dma += MVS_ATA_CMD_SZ; -#if _MV_DUMP - slot->cmd_size = MVS_ATA_CMD_SZ; -#endif /* region 2: open address frame area (MVS_OAF_SZ bytes) ********* */ /* used for STP. unused for SATA? */ @@ -682,9 +547,6 @@ static int mvs_task_prep_ata(struct mvs_info *mvi, buf_tmp_dma += i; /* region 4: status buffer (larger the PRD, smaller this buf) ****** */ - /* FIXME: probably unused, for SATA. kept here just in case - * we get a STP/SATA error information record - */ slot->response = buf_tmp; hdr->status_buf = cpu_to_le64(buf_tmp_dma); if (mvi->flags & MVF_FLAG_SOC) @@ -715,11 +577,11 @@ static int mvs_task_prep_ata(struct mvs_info *mvi, /* fill in PRD (scatter/gather) table, if any */ MVS_CHIP_DISP->make_prd(task->scatter, tei->n_elem, buf_prd); -#ifndef DISABLE_HOTPLUG_DMA_FIX + if (task->data_dir == DMA_FROM_DEVICE) - MVS_CHIP_DISP->dma_fix(mvi->bulk_buffer_dma, + MVS_CHIP_DISP->dma_fix(mvi, sas_port->phy_mask, TRASH_BUCKET_SIZE, tei->n_elem, buf_prd); -#endif + return 0; } @@ -761,6 +623,9 @@ static int mvs_task_prep_ssp(struct mvs_info *mvi, } if (is_tmf) flags |= (MCH_SSP_FR_TASK << MCH_SSP_FR_TYPE_SHIFT); + else + flags |= (MCH_SSP_FR_CMD << MCH_SSP_FR_TYPE_SHIFT); + hdr->flags = cpu_to_le32(flags | (tei->n_elem << MCH_PRD_LEN_SHIFT)); hdr->tags = cpu_to_le32(tag); hdr->data_len = cpu_to_le32(task->total_xfer_len); @@ -777,9 +642,6 @@ static int mvs_task_prep_ssp(struct mvs_info *mvi, buf_tmp += MVS_SSP_CMD_SZ; buf_tmp_dma += MVS_SSP_CMD_SZ; -#if _MV_DUMP - slot->cmd_size = MVS_SSP_CMD_SZ; -#endif /* region 2: open address frame area (MVS_OAF_SZ bytes) ********* */ buf_oaf = buf_tmp; @@ -986,7 +848,6 @@ static int mvs_task_prep(struct sas_task *task, struct mvs_info *mvi, int is_tmf task->task_state_flags |= SAS_TASK_AT_INITIATOR; spin_unlock(&task->task_state_lock); - mvs_hba_memory_dump(mvi, tag, task->task_proto); mvi_dev->running_req++; ++(*pass); mvi->tx_prod = (mvi->tx_prod + 1) & (MVS_CHIP_SLOT_SZ - 1); @@ -1189,9 +1050,9 @@ static void mvs_slot_task_free(struct mvs_info *mvi, struct sas_task *task, mvs_slot_free(mvi, slot_idx); } -static void mvs_update_wideport(struct mvs_info *mvi, int i) +static void mvs_update_wideport(struct mvs_info *mvi, int phy_no) { - struct mvs_phy *phy = &mvi->phy[i]; + struct mvs_phy *phy = &mvi->phy[phy_no]; struct mvs_port *port = phy->port; int j, no; @@ -1246,18 +1107,17 @@ static void *mvs_get_d2h_reg(struct mvs_info *mvi, int i, void *buf) return NULL; MVS_CHIP_DISP->write_port_cfg_addr(mvi, i, PHYR_SATA_SIG3); - s[3] = MVS_CHIP_DISP->read_port_cfg_data(mvi, i); + s[3] = cpu_to_le32(MVS_CHIP_DISP->read_port_cfg_data(mvi, i)); MVS_CHIP_DISP->write_port_cfg_addr(mvi, i, PHYR_SATA_SIG2); - s[2] = MVS_CHIP_DISP->read_port_cfg_data(mvi, i); + s[2] = cpu_to_le32(MVS_CHIP_DISP->read_port_cfg_data(mvi, i)); MVS_CHIP_DISP->write_port_cfg_addr(mvi, i, PHYR_SATA_SIG1); - s[1] = MVS_CHIP_DISP->read_port_cfg_data(mvi, i); + s[1] = cpu_to_le32(MVS_CHIP_DISP->read_port_cfg_data(mvi, i)); MVS_CHIP_DISP->write_port_cfg_addr(mvi, i, PHYR_SATA_SIG0); - s[0] = MVS_CHIP_DISP->read_port_cfg_data(mvi, i); + s[0] = cpu_to_le32(MVS_CHIP_DISP->read_port_cfg_data(mvi, i)); - /* Workaround: take some ATAPI devices for ATA */ if (((s[1] & 0x00FFFFFF) == 0x00EB1401) && (*(u8 *)&s[3] == 0x01)) s[1] = 0x00EB1401 | (*((u8 *)&s[1] + 3) & 0x10); @@ -1269,6 +1129,13 @@ static u32 mvs_is_sig_fis_received(u32 irq_status) return irq_status & PHYEV_SIG_FIS; } +static void mvs_sig_remove_timer(struct mvs_phy *phy) +{ + if (phy->timer.function) + del_timer(&phy->timer); + phy->timer.function = NULL; +} + void mvs_update_phyinfo(struct mvs_info *mvi, int i, int get_st) { struct mvs_phy *phy = &mvi->phy[i]; @@ -1291,6 +1158,7 @@ void mvs_update_phyinfo(struct mvs_info *mvi, int i, int get_st) if (phy->phy_type & PORT_TYPE_SATA) { phy->identify.target_port_protocols = SAS_PROTOCOL_STP; if (mvs_is_sig_fis_received(phy->irq_status)) { + mvs_sig_remove_timer(phy); phy->phy_attached = 1; phy->att_dev_sas_addr = i + mvi->id * mvi->chip->n_phy; @@ -1308,7 +1176,6 @@ void mvs_update_phyinfo(struct mvs_info *mvi, int i, int get_st) tmp | PHYEV_SIG_FIS); phy->phy_attached = 0; phy->phy_type &= ~PORT_TYPE_SATA; - MVS_CHIP_DISP->phy_reset(mvi, i, 0); goto out_done; } } else if (phy->phy_type & PORT_TYPE_SAS @@ -1334,9 +1201,9 @@ void mvs_update_phyinfo(struct mvs_info *mvi, int i, int get_st) if (MVS_CHIP_DISP->phy_work_around) MVS_CHIP_DISP->phy_work_around(mvi, i); } - mv_dprintk("port %d attach dev info is %x\n", + mv_dprintk("phy %d attach dev info is %x\n", i + mvi->id * mvi->chip->n_phy, phy->att_dev_info); - mv_dprintk("port %d attach sas addr is %llx\n", + mv_dprintk("phy %d attach sas addr is %llx\n", i + mvi->id * mvi->chip->n_phy, phy->att_dev_sas_addr); out_done: if (get_st) @@ -1361,10 +1228,10 @@ static void mvs_port_notify_formed(struct asd_sas_phy *sas_phy, int lock) } hi = i/((struct mvs_prv_info *)sas_ha->lldd_ha)->n_phy; mvi = ((struct mvs_prv_info *)sas_ha->lldd_ha)->mvi[hi]; - if (sas_port->id >= mvi->chip->n_phy) - port = &mvi->port[sas_port->id - mvi->chip->n_phy]; + if (i >= mvi->chip->n_phy) + port = &mvi->port[i - mvi->chip->n_phy]; else - port = &mvi->port[sas_port->id]; + port = &mvi->port[i]; if (lock) spin_lock_irqsave(&mvi->lock, flags); port->port_attached = 1; @@ -1393,7 +1260,7 @@ static void mvs_port_notify_deformed(struct asd_sas_phy *sas_phy, int lock) return; } list_for_each_entry(dev, &port->dev_list, dev_list_node) - mvs_do_release_task(phy->mvi, phy_no, NULL); + mvs_do_release_task(phy->mvi, phy_no, dev); } @@ -1457,6 +1324,7 @@ int mvs_dev_found_notify(struct domain_device *dev, int lock) mvi_device->dev_status = MVS_DEV_NORMAL; mvi_device->dev_type = dev->dev_type; mvi_device->mvi_info = mvi; + mvi_device->sas_device = dev; if (parent_dev && DEV_IS_EXPANDER(parent_dev->dev_type)) { int phy_id; u8 phy_num = parent_dev->ex_dev.num_phys; @@ -1508,6 +1376,7 @@ void mvs_dev_gone_notify(struct domain_device *dev) mv_dprintk("found dev has gone.\n"); } dev->lldd_dev = NULL; + mvi_dev->sas_device = NULL; spin_unlock_irqrestore(&mvi->lock, flags); } @@ -1555,7 +1424,6 @@ static void mvs_tmf_timedout(unsigned long data) complete(&task->completion); } -/* XXX */ #define MVS_TASK_TIMEOUT 20 static int mvs_exec_internal_tmf_task(struct domain_device *dev, void *parameter, u32 para_len, struct mvs_tmf_task *tmf) @@ -1588,7 +1456,7 @@ static int mvs_exec_internal_tmf_task(struct domain_device *dev, } wait_for_completion(&task->completion); - res = -TMF_RESP_FUNC_FAILED; + res = TMF_RESP_FUNC_FAILED; /* Even TMF timed out, return direct. */ if ((task->task_state_flags & SAS_TASK_STATE_ABORTED)) { if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) { @@ -1638,11 +1506,10 @@ static int mvs_debug_issue_ssp_tmf(struct domain_device *dev, u8 *lun, struct mvs_tmf_task *tmf) { struct sas_ssp_task ssp_task; - DECLARE_COMPLETION_ONSTACK(completion); if (!(dev->tproto & SAS_PROTOCOL_SSP)) return TMF_RESP_FUNC_ESUPP; - strncpy((u8 *)&ssp_task.LUN, lun, 8); + memcpy(ssp_task.LUN, lun, 8); return mvs_exec_internal_tmf_task(dev, &ssp_task, sizeof(ssp_task), tmf); @@ -1666,7 +1533,7 @@ static int mvs_debug_I_T_nexus_reset(struct domain_device *dev) int mvs_lu_reset(struct domain_device *dev, u8 *lun) { unsigned long flags; - int i, phyno[WIDE_PORT_MAX_PHY], num , rc = TMF_RESP_FUNC_FAILED; + int rc = TMF_RESP_FUNC_FAILED; struct mvs_tmf_task tmf_task; struct mvs_device * mvi_dev = dev->lldd_dev; struct mvs_info *mvi = mvi_dev->mvi_info; @@ -1675,10 +1542,8 @@ int mvs_lu_reset(struct domain_device *dev, u8 *lun) mvi_dev->dev_status = MVS_DEV_EH; rc = mvs_debug_issue_ssp_tmf(dev, lun, &tmf_task); if (rc == TMF_RESP_FUNC_COMPLETE) { - num = mvs_find_dev_phyno(dev, phyno); spin_lock_irqsave(&mvi->lock, flags); - for (i = 0; i < num; i++) - mvs_release_task(mvi, dev); + mvs_release_task(mvi, dev); spin_unlock_irqrestore(&mvi->lock, flags); } /* If failed, fall-through I_T_Nexus reset */ @@ -1696,11 +1561,12 @@ int mvs_I_T_nexus_reset(struct domain_device *dev) if (mvi_dev->dev_status != MVS_DEV_EH) return TMF_RESP_FUNC_COMPLETE; + else + mvi_dev->dev_status = MVS_DEV_NORMAL; rc = mvs_debug_I_T_nexus_reset(dev); mv_printk("%s for device[%x]:rc= %d\n", __func__, mvi_dev->device_id, rc); - /* housekeeper */ spin_lock_irqsave(&mvi->lock, flags); mvs_release_task(mvi, dev); spin_unlock_irqrestore(&mvi->lock, flags); @@ -1739,9 +1605,6 @@ int mvs_query_task(struct sas_task *task) case TMF_RESP_FUNC_FAILED: case TMF_RESP_FUNC_COMPLETE: break; - default: - rc = TMF_RESP_FUNC_COMPLETE; - break; } } mv_printk("%s:rc= %d\n", __func__, rc); @@ -1761,8 +1624,8 @@ int mvs_abort_task(struct sas_task *task) u32 tag; if (!mvi_dev) { - mv_printk("%s:%d TMF_RESP_FUNC_FAILED\n", __func__, __LINE__); - rc = TMF_RESP_FUNC_FAILED; + mv_printk("Device has removed\n"); + return TMF_RESP_FUNC_FAILED; } mvi = mvi_dev->mvi_info; @@ -1807,25 +1670,17 @@ int mvs_abort_task(struct sas_task *task) } else if (task->task_proto & SAS_PROTOCOL_SATA || task->task_proto & SAS_PROTOCOL_STP) { - /* to do free register_set */ if (SATA_DEV == dev->dev_type) { struct mvs_slot_info *slot = task->lldd_task; - struct task_status_struct *tstat; u32 slot_idx = (u32)(slot - mvi->slot_info); - tstat = &task->task_status; - mv_dprintk(KERN_DEBUG "mv_abort_task() mvi=%p task=%p " + mv_dprintk("mvs_abort_task() mvi=%p task=%p " "slot=%p slot_idx=x%x\n", mvi, task, slot, slot_idx); - tstat->stat = SAS_ABORTED_TASK; - if (mvi_dev && mvi_dev->running_req) - mvi_dev->running_req--; - if (sas_protocol_ata(task->task_proto)) - mvs_free_reg_set(mvi, mvi_dev); + mvs_tmf_timedout((unsigned long)task); mvs_slot_task_free(mvi, task, slot, slot_idx); - return -1; + rc = TMF_RESP_FUNC_COMPLETE; + goto out; } - } else { - /* SMP */ } out: @@ -1891,12 +1746,63 @@ static int mvs_sata_done(struct mvs_info *mvi, struct sas_task *task, return stat; } +void mvs_set_sense(u8 *buffer, int len, int d_sense, + int key, int asc, int ascq) +{ + memset(buffer, 0, len); + + if (d_sense) { + /* Descriptor format */ + if (len < 4) { + mv_printk("Length %d of sense buffer too small to " + "fit sense %x:%x:%x", len, key, asc, ascq); + } + + buffer[0] = 0x72; /* Response Code */ + if (len > 1) + buffer[1] = key; /* Sense Key */ + if (len > 2) + buffer[2] = asc; /* ASC */ + if (len > 3) + buffer[3] = ascq; /* ASCQ */ + } else { + if (len < 14) { + mv_printk("Length %d of sense buffer too small to " + "fit sense %x:%x:%x", len, key, asc, ascq); + } + + buffer[0] = 0x70; /* Response Code */ + if (len > 2) + buffer[2] = key; /* Sense Key */ + if (len > 7) + buffer[7] = 0x0a; /* Additional Sense Length */ + if (len > 12) + buffer[12] = asc; /* ASC */ + if (len > 13) + buffer[13] = ascq; /* ASCQ */ + } + + return; +} + +void mvs_fill_ssp_resp_iu(struct ssp_response_iu *iu, + u8 key, u8 asc, u8 asc_q) +{ + iu->datapres = 2; + iu->response_data_len = 0; + iu->sense_data_len = 17; + iu->status = 02; + mvs_set_sense(iu->sense_data, 17, 0, + key, asc, asc_q); +} + static int mvs_slot_err(struct mvs_info *mvi, struct sas_task *task, u32 slot_idx) { struct mvs_slot_info *slot = &mvi->slot_info[slot_idx]; int stat; - u32 err_dw0 = le32_to_cpu(*(u32 *) (slot->response)); + u32 err_dw0 = le32_to_cpu(*(u32 *)slot->response); + u32 err_dw1 = le32_to_cpu(*((u32 *)slot->response + 1)); u32 tfs = 0; enum mvs_port_type type = PORT_TYPE_SAS; @@ -1908,8 +1814,19 @@ static int mvs_slot_err(struct mvs_info *mvi, struct sas_task *task, stat = SAM_STAT_CHECK_CONDITION; switch (task->task_proto) { case SAS_PROTOCOL_SSP: + { stat = SAS_ABORTED_TASK; + if ((err_dw0 & NO_DEST) || err_dw1 & bit(31)) { + struct ssp_response_iu *iu = slot->response + + sizeof(struct mvs_err_info); + mvs_fill_ssp_resp_iu(iu, NOT_READY, 0x04, 01); + sas_ssp_task_response(mvi->dev, task, iu); + stat = SAM_STAT_CHECK_CONDITION; + } + if (err_dw1 & bit(31)) + mv_printk("reuse same slot, retry command.\n"); break; + } case SAS_PROTOCOL_SMP: stat = SAM_STAT_CHECK_CONDITION; break; @@ -1918,10 +1835,8 @@ static int mvs_slot_err(struct mvs_info *mvi, struct sas_task *task, case SAS_PROTOCOL_STP: case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP: { - if (err_dw0 == 0x80400002) - mv_printk("find reserved error, why?\n"); - task->ata_task.use_ncq = 0; + stat = SAS_PROTO_RESPONSE; mvs_sata_done(mvi, task, slot_idx, err_dw0); } break; @@ -1945,8 +1860,6 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags) void *to; enum exec_status sts; - if (mvi->exp_req) - mvi->exp_req--; if (unlikely(!task || !task->lldd_task || !task->dev)) return -1; @@ -1954,8 +1867,6 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags) dev = task->dev; mvi_dev = dev->lldd_dev; - mvs_hba_cq_dump(mvi); - spin_lock(&task->task_state_lock); task->task_state_flags &= ~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR); @@ -1978,6 +1889,7 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags) return -1; } + /* when no device attaching, go ahead and complete by error handling*/ if (unlikely(!mvi_dev || flags)) { if (!mvi_dev) mv_dprintk("port has not device.\n"); @@ -1987,6 +1899,9 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags) /* error info record present */ if (unlikely((rx_desc & RXQ_ERR) && (*(u64 *) slot->response))) { + mv_dprintk("port %d slot %d rx_desc %X has error info" + "%016llX.\n", slot->port->sas_port.id, slot_idx, + rx_desc, (u64)(*(u64 *)slot->response)); tstat->stat = mvs_slot_err(mvi, task, slot_idx); tstat->resp = SAS_TASK_COMPLETE; goto out; @@ -2048,8 +1963,7 @@ out: spin_unlock(&mvi->lock); if (task->task_done) task->task_done(task); - else - mv_dprintk("why has not task_done.\n"); + spin_lock(&mvi->lock); return sts; @@ -2092,7 +2006,6 @@ void mvs_release_task(struct mvs_info *mvi, struct domain_device *dev) { int i, phyno[WIDE_PORT_MAX_PHY], num; - /* housekeeper */ num = mvs_find_dev_phyno(dev, phyno); for (i = 0; i < num; i++) mvs_do_release_task(mvi, phyno[i], dev); @@ -2111,13 +2024,13 @@ static void mvs_work_queue(struct work_struct *work) struct mvs_wq *mwq = container_of(dw, struct mvs_wq, work_q); struct mvs_info *mvi = mwq->mvi; unsigned long flags; + u32 phy_no = (unsigned long) mwq->data; + struct sas_ha_struct *sas_ha = mvi->sas; + struct mvs_phy *phy = &mvi->phy[phy_no]; + struct asd_sas_phy *sas_phy = &phy->sas_phy; spin_lock_irqsave(&mvi->lock, flags); if (mwq->handler & PHY_PLUG_EVENT) { - u32 phy_no = (unsigned long) mwq->data; - struct sas_ha_struct *sas_ha = mvi->sas; - struct mvs_phy *phy = &mvi->phy[phy_no]; - struct asd_sas_phy *sas_phy = &phy->sas_phy; if (phy->phy_event & PHY_PLUG_OUT) { u32 tmp; @@ -2139,6 +2052,11 @@ static void mvs_work_queue(struct work_struct *work) mv_dprintk("phy%d Attached Device\n", phy_no); } } + } else if (mwq->handler & EXP_BRCT_CHG) { + phy->phy_event &= ~EXP_BRCT_CHG; + sas_ha->notify_port_event(sas_phy, + PORTE_BROADCAST_RCVD); + mv_dprintk("phy%d Got Broadcast Change\n", phy_no); } list_del(&mwq->entry); spin_unlock_irqrestore(&mvi->lock, flags); @@ -2174,29 +2092,21 @@ static void mvs_sig_time_out(unsigned long tphy) if (&mvi->phy[phy_no] == phy) { mv_dprintk("Get signature time out, reset phy %d\n", phy_no+mvi->id*mvi->chip->n_phy); - MVS_CHIP_DISP->phy_reset(mvi, phy_no, 1); + MVS_CHIP_DISP->phy_reset(mvi, phy_no, MVS_HARD_RESET); } } } -static void mvs_sig_remove_timer(struct mvs_phy *phy) -{ - if (phy->timer.function) - del_timer(&phy->timer); - phy->timer.function = NULL; -} - void mvs_int_port(struct mvs_info *mvi, int phy_no, u32 events) { u32 tmp; - struct sas_ha_struct *sas_ha = mvi->sas; struct mvs_phy *phy = &mvi->phy[phy_no]; - struct asd_sas_phy *sas_phy = &phy->sas_phy; phy->irq_status = MVS_CHIP_DISP->read_port_irq_stat(mvi, phy_no); - mv_dprintk("port %d ctrl sts=0x%X.\n", phy_no+mvi->id*mvi->chip->n_phy, + MVS_CHIP_DISP->write_port_irq_stat(mvi, phy_no, phy->irq_status); + mv_dprintk("phy %d ctrl sts=0x%08X.\n", phy_no+mvi->id*mvi->chip->n_phy, MVS_CHIP_DISP->read_phy_ctl(mvi, phy_no)); - mv_dprintk("Port %d irq sts = 0x%X\n", phy_no+mvi->id*mvi->chip->n_phy, + mv_dprintk("phy %d irq sts = 0x%08X\n", phy_no+mvi->id*mvi->chip->n_phy, phy->irq_status); /* @@ -2205,11 +2115,12 @@ void mvs_int_port(struct mvs_info *mvi, int phy_no, u32 events) */ if (phy->irq_status & PHYEV_DCDR_ERR) { - mv_dprintk("port %d STP decoding error.\n", + mv_dprintk("phy %d STP decoding error.\n", phy_no + mvi->id*mvi->chip->n_phy); } if (phy->irq_status & PHYEV_POOF) { + mdelay(500); if (!(phy->phy_event & PHY_PLUG_OUT)) { int dev_sata = phy->phy_type & PORT_TYPE_SATA; int ready; @@ -2220,17 +2131,13 @@ void mvs_int_port(struct mvs_info *mvi, int phy_no, u32 events) (void *)(unsigned long)phy_no, PHY_PLUG_EVENT); ready = mvs_is_phy_ready(mvi, phy_no); - if (!ready) - mv_dprintk("phy%d Unplug Notice\n", - phy_no + - mvi->id * mvi->chip->n_phy); if (ready || dev_sata) { if (MVS_CHIP_DISP->stp_reset) MVS_CHIP_DISP->stp_reset(mvi, phy_no); else MVS_CHIP_DISP->phy_reset(mvi, - phy_no, 0); + phy_no, MVS_SOFT_RESET); return; } } @@ -2243,13 +2150,12 @@ void mvs_int_port(struct mvs_info *mvi, int phy_no, u32 events) if (phy->timer.function == NULL) { phy->timer.data = (unsigned long)phy; phy->timer.function = mvs_sig_time_out; - phy->timer.expires = jiffies + 10*HZ; + phy->timer.expires = jiffies + 5*HZ; add_timer(&phy->timer); } } if (phy->irq_status & (PHYEV_SIG_FIS | PHYEV_ID_DONE)) { phy->phy_status = mvs_is_phy_ready(mvi, phy_no); - mvs_sig_remove_timer(phy); mv_dprintk("notify plug in on phy[%d]\n", phy_no); if (phy->phy_status) { mdelay(10); @@ -2263,14 +2169,14 @@ void mvs_int_port(struct mvs_info *mvi, int phy_no, u32 events) } mvs_update_phyinfo(mvi, phy_no, 0); if (phy->phy_type & PORT_TYPE_SAS) { - MVS_CHIP_DISP->phy_reset(mvi, phy_no, 2); + MVS_CHIP_DISP->phy_reset(mvi, phy_no, MVS_PHY_TUNE); mdelay(10); } mvs_bytes_dmaed(mvi, phy_no); /* whether driver is going to handle hot plug */ if (phy->phy_event & PHY_PLUG_OUT) { - mvs_port_notify_formed(sas_phy, 0); + mvs_port_notify_formed(&phy->sas_phy, 0); phy->phy_event &= ~PHY_PLUG_OUT; } } else { @@ -2278,13 +2184,11 @@ void mvs_int_port(struct mvs_info *mvi, int phy_no, u32 events) phy_no + mvi->id*mvi->chip->n_phy); } } else if (phy->irq_status & PHYEV_BROAD_CH) { - mv_dprintk("port %d broadcast change.\n", + mv_dprintk("phy %d broadcast change.\n", phy_no + mvi->id*mvi->chip->n_phy); - /* exception for Samsung disk drive*/ - mdelay(1000); - sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD); + mvs_handle_event(mvi, (void *)(unsigned long)phy_no, + EXP_BRCT_CHG); } - MVS_CHIP_DISP->write_port_irq_stat(mvi, phy_no, phy->irq_status); } int mvs_int_rx(struct mvs_info *mvi, bool self_clear) |