diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-21 03:01:16 (GMT) |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-21 03:01:16 (GMT) |
commit | 34641a58a227e498adf471ab016bd054cc399d7e (patch) | |
tree | da1e0af965d06d0c6e13c546ac01f6a54a904d86 /drivers/ieee1394 | |
parent | 2eec0e0842ef747027eb9181d5f50d7157184d57 (diff) | |
parent | 7136b8073f0123918e3e50269ae021bbb09e1a81 (diff) | |
download | linux-fsl-qoriq-34641a58a227e498adf471ab016bd054cc399d7e.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bcollins/linux1394-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/bcollins/linux1394-2.6: (28 commits)
eth1394: replace __constant_htons by htons
ieee1394: adjust code formatting in highlevel.c
ieee1394: hl_irqs_lock is taken in hardware interrupt context
ieee1394_core: switch to kthread API
ieee1394: sbp2: Kconfig fix
ieee1394: add preprocessor constant for invalid csr address
sbp2: fix deregistration of status fifo address space
[PATCH] eth1394: endian fixes
Fix broken suspend/resume in ohci1394
sbp2: use __attribute__((packed)) for on-the-wire structures
sbp2: provide helptext for CONFIG_IEEE1394_SBP2_PHYS_DMA and mark it experimental
Update feature removal of obsolete raw1394 ISO requests.
sbp2: fix S800 transfers if phys_dma is off
sbp2: remove ohci1394 specific constant
ohci1394: make phys_dma parameter read-only
ohci1394: set address range properties
ieee1394: extend lowlevel API for address range properties
sbp2: log number of supported concurrent logins
sbp2: remove manipulation of inquiry response
ieee1394: save RAM by using a single tlabel for broadcast transactions
...
Diffstat (limited to 'drivers/ieee1394')
-rw-r--r-- | drivers/ieee1394/Kconfig | 13 | ||||
-rw-r--r-- | drivers/ieee1394/csr1212.c | 2 | ||||
-rw-r--r-- | drivers/ieee1394/csr1212.h | 1 | ||||
-rw-r--r-- | drivers/ieee1394/dma.c | 18 | ||||
-rw-r--r-- | drivers/ieee1394/eth1394.c | 51 | ||||
-rw-r--r-- | drivers/ieee1394/eth1394.h | 2 | ||||
-rw-r--r-- | drivers/ieee1394/highlevel.c | 445 | ||||
-rw-r--r-- | drivers/ieee1394/hosts.c | 7 | ||||
-rw-r--r-- | drivers/ieee1394/hosts.h | 17 | ||||
-rw-r--r-- | drivers/ieee1394/ieee1394_core.c | 62 | ||||
-rw-r--r-- | drivers/ieee1394/ieee1394_transactions.c | 10 | ||||
-rw-r--r-- | drivers/ieee1394/nodemgr.c | 61 | ||||
-rw-r--r-- | drivers/ieee1394/ohci1394.c | 37 | ||||
-rw-r--r-- | drivers/ieee1394/ohci1394.h | 10 | ||||
-rw-r--r-- | drivers/ieee1394/raw1394.c | 54 | ||||
-rw-r--r-- | drivers/ieee1394/sbp2.c | 85 | ||||
-rw-r--r-- | drivers/ieee1394/sbp2.h | 23 | ||||
-rw-r--r-- | drivers/ieee1394/video1394.c | 16 |
18 files changed, 460 insertions, 454 deletions
diff --git a/drivers/ieee1394/Kconfig b/drivers/ieee1394/Kconfig index 39142e2..1867375 100644 --- a/drivers/ieee1394/Kconfig +++ b/drivers/ieee1394/Kconfig @@ -128,8 +128,17 @@ config IEEE1394_SBP2 1394 bus. SBP-2 devices include harddrives and DVD devices. config IEEE1394_SBP2_PHYS_DMA - bool "Enable Phys DMA support for SBP2 (Debug)" - depends on IEEE1394 && IEEE1394_SBP2 + bool "Enable replacement for physical DMA in SBP2" + depends on IEEE1394 && IEEE1394_SBP2 && EXPERIMENTAL && (X86_32 || PPC_32) + help + This builds sbp2 for use with non-OHCI host adapters which do not + support physical DMA or for when ohci1394 is run with phys_dma=0. + Physical DMA is data movement without assistence of the drivers' + interrupt handlers. This option includes the interrupt handlers + that are required in absence of this hardware feature. + + This option is buggy and currently broken on some architectures. + If unsure, say N. config IEEE1394_ETH1394 tristate "Ethernet over 1394" diff --git a/drivers/ieee1394/csr1212.c b/drivers/ieee1394/csr1212.c index 1577354..586f71e 100644 --- a/drivers/ieee1394/csr1212.c +++ b/drivers/ieee1394/csr1212.c @@ -779,7 +779,7 @@ static int csr1212_append_new_cache(struct csr1212_csr *csr, size_t romsize) romsize = (romsize + (csr->max_rom - 1)) & ~(csr->max_rom - 1); csr_addr = csr->ops->allocate_addr_range(romsize, csr->max_rom, csr->private); - if (csr_addr == ~0ULL) { + if (csr_addr == CSR1212_INVALID_ADDR_SPACE) { return CSR1212_ENOMEM; } if (csr_addr < CSR1212_REGISTER_SPACE_BASE) { diff --git a/drivers/ieee1394/csr1212.h b/drivers/ieee1394/csr1212.h index cecd587..17ddd72 100644 --- a/drivers/ieee1394/csr1212.h +++ b/drivers/ieee1394/csr1212.h @@ -192,6 +192,7 @@ #define CSR1212_EXTENDED_ROM_SIZE (0x10000 * sizeof(u_int32_t)) +#define CSR1212_INVALID_ADDR_SPACE -1 /* Config ROM image structures */ struct csr1212_bus_info_block_img { diff --git a/drivers/ieee1394/dma.c b/drivers/ieee1394/dma.c index 9fb2769..ca5167d 100644 --- a/drivers/ieee1394/dma.c +++ b/drivers/ieee1394/dma.c @@ -145,12 +145,12 @@ void dma_region_free(struct dma_region *dma) /* find the scatterlist index and remaining offset corresponding to a given offset from the beginning of the buffer */ static inline int dma_region_find(struct dma_region *dma, unsigned long offset, - unsigned long *rem) + unsigned int start, unsigned long *rem) { int i; unsigned long off = offset; - for (i = 0; i < dma->n_dma_pages; i++) { + for (i = start; i < dma->n_dma_pages; i++) { if (off < sg_dma_len(&dma->sglist[i])) { *rem = off; break; @@ -170,7 +170,7 @@ dma_addr_t dma_region_offset_to_bus(struct dma_region * dma, unsigned long rem = 0; struct scatterlist *sg = - &dma->sglist[dma_region_find(dma, offset, &rem)]; + &dma->sglist[dma_region_find(dma, offset, 0, &rem)]; return sg_dma_address(sg) + rem; } @@ -178,13 +178,13 @@ void dma_region_sync_for_cpu(struct dma_region *dma, unsigned long offset, unsigned long len) { int first, last; - unsigned long rem; + unsigned long rem = 0; if (!len) len = 1; - first = dma_region_find(dma, offset, &rem); - last = dma_region_find(dma, offset + len - 1, &rem); + first = dma_region_find(dma, offset, 0, &rem); + last = dma_region_find(dma, rem + len - 1, first, &rem); pci_dma_sync_sg_for_cpu(dma->dev, &dma->sglist[first], last - first + 1, dma->direction); @@ -194,13 +194,13 @@ void dma_region_sync_for_device(struct dma_region *dma, unsigned long offset, unsigned long len) { int first, last; - unsigned long rem; + unsigned long rem = 0; if (!len) len = 1; - first = dma_region_find(dma, offset, &rem); - last = dma_region_find(dma, offset + len - 1, &rem); + first = dma_region_find(dma, offset, 0, &rem); + last = dma_region_find(dma, rem + len - 1, first, &rem); pci_dma_sync_sg_for_device(dma->dev, &dma->sglist[first], last - first + 1, dma->direction); diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c index 30fa0d4..5bda159 100644 --- a/drivers/ieee1394/eth1394.c +++ b/drivers/ieee1394/eth1394.c @@ -367,7 +367,7 @@ static int eth1394_probe(struct device *dev) spin_lock_init(&node_info->pdg.lock); INIT_LIST_HEAD(&node_info->pdg.list); node_info->pdg.sz = 0; - node_info->fifo = ETHER1394_INVALID_ADDR; + node_info->fifo = CSR1212_INVALID_ADDR_SPACE; ud->device.driver_data = node_info; new_node->ud = ud; @@ -502,10 +502,8 @@ static void ether1394_reset_priv (struct net_device *dev, int set_mtu) /* Determine speed limit */ for (i = 0; i < host->node_count; i++) - if (max_speed > host->speed_map[NODEID_TO_NODE(host->node_id) * - 64 + i]) - max_speed = host->speed_map[NODEID_TO_NODE(host->node_id) * - 64 + i]; + if (max_speed > host->speed[i]) + max_speed = host->speed[i]; priv->bc_sspd = max_speed; /* We'll use our maxpayload as the default mtu */ @@ -568,13 +566,11 @@ static void ether1394_add_host (struct hpsb_host *host) if (!(host->config_roms & HPSB_CONFIG_ROM_ENTRY_IP1394)) return; - fifo_addr = hpsb_allocate_and_register_addrspace(ð1394_highlevel, - host, - &addr_ops, - ETHER1394_REGION_ADDR_LEN, - ETHER1394_REGION_ADDR_LEN, - -1, -1); - if (fifo_addr == ~0ULL) + fifo_addr = hpsb_allocate_and_register_addrspace( + ð1394_highlevel, host, &addr_ops, + ETHER1394_REGION_ADDR_LEN, ETHER1394_REGION_ADDR_LEN, + CSR1212_INVALID_ADDR_SPACE, CSR1212_INVALID_ADDR_SPACE); + if (fifo_addr == CSR1212_INVALID_ADDR_SPACE) goto out; /* We should really have our own alloc_hpsbdev() function in @@ -774,7 +770,7 @@ static int ether1394_rebuild_header(struct sk_buff *skb) default: ETH1394_PRINT(KERN_DEBUG, dev->name, "unable to resolve type %04x addresses.\n", - eth->h_proto); + ntohs(eth->h_proto)); break; } @@ -796,9 +792,8 @@ static int ether1394_header_cache(struct neighbour *neigh, struct hh_cache *hh) (16 - ETH1394_HLEN)); struct net_device *dev = neigh->dev; - if (type == __constant_htons(ETH_P_802_3)) { + if (type == htons(ETH_P_802_3)) return -1; - } eth->h_proto = type; memcpy(eth->h_dest, neigh->ha, dev->addr_len); @@ -887,7 +882,7 @@ static inline u16 ether1394_parse_encap(struct sk_buff *skb, /* If this is an ARP packet, convert it. First, we want to make * use of some of the fields, since they tell us a little bit * about the sending machine. */ - if (ether_type == __constant_htons (ETH_P_ARP)) { + if (ether_type == htons(ETH_P_ARP)) { struct eth1394_arp *arp1394 = (struct eth1394_arp*)skb->data; struct arphdr *arp = (struct arphdr *)skb->data; unsigned char *arp_ptr = (unsigned char *)(arp + 1); @@ -935,7 +930,7 @@ static inline u16 ether1394_parse_encap(struct sk_buff *skb, *(u32*)arp_ptr = arp1394->sip; /* move sender IP addr */ arp_ptr += arp->ar_pln; /* skip over sender IP addr */ - if (arp->ar_op == 1) + if (arp->ar_op == htons(ARPOP_REQUEST)) /* just set ARP req target unique ID to 0 */ *((u64*)arp_ptr) = 0; else @@ -943,8 +938,8 @@ static inline u16 ether1394_parse_encap(struct sk_buff *skb, } /* Now add the ethernet header. */ - if (dev->hard_header (skb, dev, __constant_ntohs (ether_type), - &dest_hw, NULL, skb->len) >= 0) + if (dev->hard_header(skb, dev, ntohs(ether_type), &dest_hw, NULL, + skb->len) >= 0) ret = ether1394_type_trans(skb, dev); return ret; @@ -1395,7 +1390,7 @@ static inline void ether1394_arp_to_1394arp(struct sk_buff *skb, /* We need to encapsulate the standard header with our own. We use the * ethernet header's proto for our own. */ static inline unsigned int ether1394_encapsulate_prep(unsigned int max_payload, - int proto, + __be16 proto, union eth1394_hdr *hdr, u16 dg_size, u16 dgl) { @@ -1514,8 +1509,8 @@ static inline void ether1394_prep_gasp_packet(struct hpsb_packet *p, p->data = ((quadlet_t*)skb->data) - 2; p->data[0] = cpu_to_be32((priv->host->node_id << 16) | ETHER1394_GASP_SPECIFIER_ID_HI); - p->data[1] = __constant_cpu_to_be32((ETHER1394_GASP_SPECIFIER_ID_LO << 24) | - ETHER1394_GASP_VERSION); + p->data[1] = cpu_to_be32((ETHER1394_GASP_SPECIFIER_ID_LO << 24) | + ETHER1394_GASP_VERSION); /* Setting the node id to ALL_NODES (not LOCAL_BUS | ALL_NODES) * prevents hpsb_send_packet() from setting the speed to an arbitrary @@ -1626,7 +1621,7 @@ static int ether1394_tx (struct sk_buff *skb, struct net_device *dev) gfp_t kmflags = in_interrupt() ? GFP_ATOMIC : GFP_KERNEL; struct eth1394hdr *eth; struct eth1394_priv *priv = netdev_priv(dev); - int proto; + __be16 proto; unsigned long flags; nodeid_t dest_node; eth1394_tx_type tx_type; @@ -1670,9 +1665,9 @@ static int ether1394_tx (struct sk_buff *skb, struct net_device *dev) /* Set the transmission type for the packet. ARP packets and IP * broadcast packets are sent via GASP. */ if (memcmp(eth->h_dest, dev->broadcast, ETH1394_ALEN) == 0 || - proto == __constant_htons(ETH_P_ARP) || - (proto == __constant_htons(ETH_P_IP) && - IN_MULTICAST(__constant_ntohl(skb->nh.iph->daddr)))) { + proto == htons(ETH_P_ARP) || + (proto == htons(ETH_P_IP) && + IN_MULTICAST(ntohl(skb->nh.iph->daddr)))) { tx_type = ETH1394_GASP; dest_node = LOCAL_BUS | ALL_NODES; max_payload = priv->bc_maxpayload - ETHER1394_GASP_OVERHEAD; @@ -1688,7 +1683,7 @@ static int ether1394_tx (struct sk_buff *skb, struct net_device *dev) goto fail; } node_info = (struct eth1394_node_info*)node->ud->device.driver_data; - if (node_info->fifo == ETHER1394_INVALID_ADDR) { + if (node_info->fifo == CSR1212_INVALID_ADDR_SPACE) { ret = -EAGAIN; goto fail; } @@ -1704,7 +1699,7 @@ static int ether1394_tx (struct sk_buff *skb, struct net_device *dev) } /* If this is an ARP packet, convert it */ - if (proto == __constant_htons (ETH_P_ARP)) + if (proto == htons(ETH_P_ARP)) ether1394_arp_to_1394arp (skb, dev); ptask->hdr.words.word1 = 0; diff --git a/drivers/ieee1394/eth1394.h b/drivers/ieee1394/eth1394.h index a77213c..c45cbff 100644 --- a/drivers/ieee1394/eth1394.h +++ b/drivers/ieee1394/eth1394.h @@ -32,8 +32,6 @@ * S3200 (per Table 16-3 of IEEE 1394b-2002). */ #define ETHER1394_REGION_ADDR_LEN 4096 -#define ETHER1394_INVALID_ADDR ~0ULL - /* GASP identifier numbers for IPv4 over IEEE 1394 */ #define ETHER1394_GASP_SPECIFIER_ID 0x00005E #define ETHER1394_GASP_SPECIFIER_ID_HI ((ETHER1394_GASP_SPECIFIER_ID >> 8) & 0xffff) diff --git a/drivers/ieee1394/highlevel.c b/drivers/ieee1394/highlevel.c index 491e603..25b2260 100644 --- a/drivers/ieee1394/highlevel.c +++ b/drivers/ieee1394/highlevel.c @@ -53,7 +53,7 @@ static struct hpsb_address_serve dummy_zero_addr, dummy_max_addr; static struct hl_host_info *hl_get_hostinfo(struct hpsb_highlevel *hl, - struct hpsb_host *host) + struct hpsb_host *host) { struct hl_host_info *hi = NULL; @@ -68,24 +68,18 @@ static struct hl_host_info *hl_get_hostinfo(struct hpsb_highlevel *hl, } } read_unlock(&hl->host_info_lock); - return NULL; } - /* Returns a per host/driver data structure that was previously stored by * hpsb_create_hostinfo. */ void *hpsb_get_hostinfo(struct hpsb_highlevel *hl, struct hpsb_host *host) { struct hl_host_info *hi = hl_get_hostinfo(hl, host); - if (hi) - return hi->data; - - return NULL; + return hi ? hi->data : NULL; } - /* If size is zero, then the return here is only valid for error checking */ void *hpsb_create_hostinfo(struct hpsb_highlevel *hl, struct hpsb_host *host, size_t data_size) @@ -96,8 +90,8 @@ void *hpsb_create_hostinfo(struct hpsb_highlevel *hl, struct hpsb_host *host, hi = hl_get_hostinfo(hl, host); if (hi) { - HPSB_ERR("%s called hpsb_create_hostinfo when hostinfo already exists", - hl->name); + HPSB_ERR("%s called hpsb_create_hostinfo when hostinfo already" + " exists", hl->name); return NULL; } @@ -120,7 +114,6 @@ void *hpsb_create_hostinfo(struct hpsb_highlevel *hl, struct hpsb_host *host, return data; } - int hpsb_set_hostinfo(struct hpsb_highlevel *hl, struct hpsb_host *host, void *data) { @@ -132,16 +125,14 @@ int hpsb_set_hostinfo(struct hpsb_highlevel *hl, struct hpsb_host *host, hi->data = data; return 0; } else - HPSB_ERR("%s called hpsb_set_hostinfo when hostinfo already has data", - hl->name); + HPSB_ERR("%s called hpsb_set_hostinfo when hostinfo " + "already has data", hl->name); } else HPSB_ERR("%s called hpsb_set_hostinfo when no hostinfo exists", hl->name); - return -EINVAL; } - void hpsb_destroy_hostinfo(struct hpsb_highlevel *hl, struct hpsb_host *host) { struct hl_host_info *hi; @@ -154,23 +145,20 @@ void hpsb_destroy_hostinfo(struct hpsb_highlevel *hl, struct hpsb_host *host) write_unlock_irqrestore(&hl->host_info_lock, flags); kfree(hi); } - return; } - -void hpsb_set_hostinfo_key(struct hpsb_highlevel *hl, struct hpsb_host *host, unsigned long key) +void hpsb_set_hostinfo_key(struct hpsb_highlevel *hl, struct hpsb_host *host, + unsigned long key) { struct hl_host_info *hi; hi = hl_get_hostinfo(hl, host); if (hi) hi->key = key; - return; } - void *hpsb_get_hostinfo_bykey(struct hpsb_highlevel *hl, unsigned long key) { struct hl_host_info *hi; @@ -187,46 +175,41 @@ void *hpsb_get_hostinfo_bykey(struct hpsb_highlevel *hl, unsigned long key) } } read_unlock(&hl->host_info_lock); - return data; } - static int highlevel_for_each_host_reg(struct hpsb_host *host, void *__data) { struct hpsb_highlevel *hl = __data; hl->add_host(host); - if (host->update_config_rom) { - if (hpsb_update_config_rom_image(host) < 0) { - HPSB_ERR("Failed to generate Configuration ROM image for host " - "%s-%d", hl->name, host->id); - } - } - + if (host->update_config_rom && hpsb_update_config_rom_image(host) < 0) + HPSB_ERR("Failed to generate Configuration ROM image for host " + "%s-%d", hl->name, host->id); return 0; } void hpsb_register_highlevel(struct hpsb_highlevel *hl) { - INIT_LIST_HEAD(&hl->addr_list); + unsigned long flags; + + INIT_LIST_HEAD(&hl->addr_list); INIT_LIST_HEAD(&hl->host_info_list); rwlock_init(&hl->host_info_lock); down_write(&hl_drivers_sem); - list_add_tail(&hl->hl_list, &hl_drivers); + list_add_tail(&hl->hl_list, &hl_drivers); up_write(&hl_drivers_sem); - write_lock(&hl_irqs_lock); + write_lock_irqsave(&hl_irqs_lock, flags); list_add_tail(&hl->irq_list, &hl_irqs); - write_unlock(&hl_irqs_lock); + write_unlock_irqrestore(&hl_irqs_lock, flags); if (hl->add_host) nodemgr_for_each_host(hl, highlevel_for_each_host_reg); - - return; + return; } static void __delete_addr(struct hpsb_address_serve *as) @@ -236,7 +219,8 @@ static void __delete_addr(struct hpsb_address_serve *as) kfree(as); } -static void __unregister_host(struct hpsb_highlevel *hl, struct hpsb_host *host, int update_cr) +static void __unregister_host(struct hpsb_highlevel *hl, struct hpsb_host *host, + int update_cr) { unsigned long flags; struct list_head *lh, *next; @@ -251,7 +235,6 @@ static void __unregister_host(struct hpsb_highlevel *hl, struct hpsb_host *host, write_lock_irqsave(&addr_space_lock, flags); list_for_each_safe (lh, next, &hl->addr_list) { as = list_entry(lh, struct hpsb_address_serve, hl_list); - if (as->host == host) __delete_addr(as); } @@ -259,15 +242,12 @@ static void __unregister_host(struct hpsb_highlevel *hl, struct hpsb_host *host, /* Now update the config-rom to reflect anything removed by the * highlevel driver. */ - if (update_cr && host->update_config_rom) { - if (hpsb_update_config_rom_image(host) < 0) { - HPSB_ERR("Failed to generate Configuration ROM image for host " - "%s-%d", hl->name, host->id); - } - } + if (update_cr && host->update_config_rom && + hpsb_update_config_rom_image(host) < 0) + HPSB_ERR("Failed to generate Configuration ROM image for host " + "%s-%d", hl->name, host->id); - /* And finally, remove all the host info associated between these - * two. */ + /* Finally remove all the host info associated between these two. */ hpsb_destroy_hostinfo(hl, host); } @@ -276,18 +256,19 @@ static int highlevel_for_each_host_unreg(struct hpsb_host *host, void *__data) struct hpsb_highlevel *hl = __data; __unregister_host(hl, host, 1); - return 0; } void hpsb_unregister_highlevel(struct hpsb_highlevel *hl) { - write_lock(&hl_irqs_lock); + unsigned long flags; + + write_lock_irqsave(&hl_irqs_lock, flags); list_del(&hl->irq_list); - write_unlock(&hl_irqs_lock); + write_unlock_irqrestore(&hl_irqs_lock, flags); down_write(&hl_drivers_sem); - list_del(&hl->hl_list); + list_del(&hl->hl_list); up_write(&hl_drivers_sem); nodemgr_for_each_host(hl, highlevel_for_each_host_unreg); @@ -301,7 +282,7 @@ u64 hpsb_allocate_and_register_addrspace(struct hpsb_highlevel *hl, { struct hpsb_address_serve *as, *a1, *a2; struct list_head *entry; - u64 retval = ~0ULL; + u64 retval = CSR1212_INVALID_ADDR_SPACE; unsigned long flags; u64 align_mask = ~(alignment - 1); @@ -312,14 +293,19 @@ u64 hpsb_allocate_and_register_addrspace(struct hpsb_highlevel *hl, return retval; } - if (start == ~0ULL && end == ~0ULL) { - start = CSR1212_ALL_SPACE_BASE + 0xffff00000000ULL; /* ohci1394.c limit */ - end = CSR1212_ALL_SPACE_END; + /* default range, + * avoids controller's posted write area (see OHCI 1.1 clause 1.5) */ + if (start == CSR1212_INVALID_ADDR_SPACE && + end == CSR1212_INVALID_ADDR_SPACE) { + start = host->middle_addr_space; + end = CSR1212_ALL_SPACE_END; } - if (((start|end) & ~align_mask) || (start >= end) || (end > 0x1000000000000ULL)) { - HPSB_ERR("%s called with invalid addresses (start = %012Lx end = %012Lx)", - __FUNCTION__, (unsigned long long)start, (unsigned long long)end); + if (((start|end) & ~align_mask) || (start >= end) || + (end > CSR1212_ALL_SPACE_END)) { + HPSB_ERR("%s called with invalid addresses " + "(start = %012Lx end = %012Lx)", __FUNCTION__, + (unsigned long long)start,(unsigned long long)end); return retval; } @@ -333,20 +319,21 @@ u64 hpsb_allocate_and_register_addrspace(struct hpsb_highlevel *hl, as->host = host; write_lock_irqsave(&addr_space_lock, flags); - list_for_each(entry, &host->addr_space) { u64 a1sa, a1ea; u64 a2sa, a2ea; a1 = list_entry(entry, struct hpsb_address_serve, host_list); - a2 = list_entry(entry->next, struct hpsb_address_serve, host_list); + a2 = list_entry(entry->next, struct hpsb_address_serve, + host_list); a1sa = a1->start & align_mask; a1ea = (a1->end + alignment -1) & align_mask; a2sa = a2->start & align_mask; a2ea = (a2->end + alignment -1) & align_mask; - if ((a2sa - a1ea >= size) && (a2sa - start >= size) && (a2sa > start)) { + if ((a2sa - a1ea >= size) && (a2sa - start >= size) && + (a2sa > start)) { as->start = max(start, a1ea); as->end = as->start + size; list_add(&as->host_list, entry); @@ -355,47 +342,45 @@ u64 hpsb_allocate_and_register_addrspace(struct hpsb_highlevel *hl, break; } } - write_unlock_irqrestore(&addr_space_lock, flags); - if (retval == ~0ULL) { + if (retval == CSR1212_INVALID_ADDR_SPACE) kfree(as); - } - return retval; } int hpsb_register_addrspace(struct hpsb_highlevel *hl, struct hpsb_host *host, - struct hpsb_address_ops *ops, u64 start, u64 end) + struct hpsb_address_ops *ops, u64 start, u64 end) { - struct hpsb_address_serve *as; + struct hpsb_address_serve *as; struct list_head *lh; - int retval = 0; - unsigned long flags; + int retval = 0; + unsigned long flags; - if (((start|end) & 3) || (start >= end) || (end > 0x1000000000000ULL)) { - HPSB_ERR("%s called with invalid addresses", __FUNCTION__); - return 0; - } + if (((start|end) & 3) || (start >= end) || + (end > CSR1212_ALL_SPACE_END)) { + HPSB_ERR("%s called with invalid addresses", __FUNCTION__); + return 0; + } as = kmalloc(sizeof(*as), GFP_ATOMIC); if (!as) return 0; - INIT_LIST_HEAD(&as->host_list); - INIT_LIST_HEAD(&as->hl_list); - as->op = ops; - as->start = start; - as->end = end; + INIT_LIST_HEAD(&as->host_list); + INIT_LIST_HEAD(&as->hl_list); + as->op = ops; + as->start = start; + as->end = end; as->host = host; write_lock_irqsave(&addr_space_lock, flags); - list_for_each(lh, &host->addr_space) { struct hpsb_address_serve *as_this = list_entry(lh, struct hpsb_address_serve, host_list); struct hpsb_address_serve *as_next = - list_entry(lh->next, struct hpsb_address_serve, host_list); + list_entry(lh->next, struct hpsb_address_serve, + host_list); if (as_this->end > as->start) break; @@ -411,60 +396,51 @@ int hpsb_register_addrspace(struct hpsb_highlevel *hl, struct hpsb_host *host, if (retval == 0) kfree(as); - - return retval; + return retval; } int hpsb_unregister_addrspace(struct hpsb_highlevel *hl, struct hpsb_host *host, - u64 start) + u64 start) { - int retval = 0; - struct hpsb_address_serve *as; - struct list_head *lh, *next; - unsigned long flags; - - write_lock_irqsave(&addr_space_lock, flags); + int retval = 0; + struct hpsb_address_serve *as; + struct list_head *lh, *next; + unsigned long flags; + write_lock_irqsave(&addr_space_lock, flags); list_for_each_safe (lh, next, &hl->addr_list) { - as = list_entry(lh, struct hpsb_address_serve, hl_list); - if (as->start == start && as->host == host) { + as = list_entry(lh, struct hpsb_address_serve, hl_list); + if (as->start == start && as->host == host) { __delete_addr(as); - retval = 1; - break; - } - } - - write_unlock_irqrestore(&addr_space_lock, flags); - - return retval; + retval = 1; + break; + } + } + write_unlock_irqrestore(&addr_space_lock, flags); + return retval; } int hpsb_listen_channel(struct hpsb_highlevel *hl, struct hpsb_host *host, - unsigned int channel) + unsigned int channel) { - if (channel > 63) { - HPSB_ERR("%s called with invalid channel", __FUNCTION__); - return -EINVAL; - } - - if (host->iso_listen_count[channel]++ == 0) { - return host->driver->devctl(host, ISO_LISTEN_CHANNEL, channel); - } - + if (channel > 63) { + HPSB_ERR("%s called with invalid channel", __FUNCTION__); + return -EINVAL; + } + if (host->iso_listen_count[channel]++ == 0) + return host->driver->devctl(host, ISO_LISTEN_CHANNEL, channel); return 0; } void hpsb_unlisten_channel(struct hpsb_highlevel *hl, struct hpsb_host *host, - unsigned int channel) + unsigned int channel) { - if (channel > 63) { - HPSB_ERR("%s called with invalid channel", __FUNCTION__); - return; - } - - if (--host->iso_listen_count[channel] == 0) { - host->driver->devctl(host, ISO_UNLISTEN_CHANNEL, channel); - } + if (channel > 63) { + HPSB_ERR("%s called with invalid channel", __FUNCTION__); + return; + } + if (--host->iso_listen_count[channel] == 0) + host->driver->devctl(host, ISO_UNLISTEN_CHANNEL, channel); } static void init_hpsb_highlevel(struct hpsb_host *host) @@ -485,26 +461,24 @@ static void init_hpsb_highlevel(struct hpsb_host *host) void highlevel_add_host(struct hpsb_host *host) { - struct hpsb_highlevel *hl; + struct hpsb_highlevel *hl; init_hpsb_highlevel(host); down_read(&hl_drivers_sem); - list_for_each_entry(hl, &hl_drivers, hl_list) { + list_for_each_entry(hl, &hl_drivers, hl_list) { if (hl->add_host) hl->add_host(host); - } - up_read(&hl_drivers_sem); - if (host->update_config_rom) { - if (hpsb_update_config_rom_image(host) < 0) - HPSB_ERR("Failed to generate Configuration ROM image for " - "host %s-%d", hl->name, host->id); } + up_read(&hl_drivers_sem); + if (host->update_config_rom && hpsb_update_config_rom_image(host) < 0) + HPSB_ERR("Failed to generate Configuration ROM image for host " + "%s-%d", hl->name, host->id); } void highlevel_remove_host(struct hpsb_host *host) { - struct hpsb_highlevel *hl; + struct hpsb_highlevel *hl; down_read(&hl_drivers_sem); list_for_each_entry(hl, &hl_drivers, hl_list) @@ -514,184 +488,169 @@ void highlevel_remove_host(struct hpsb_host *host) void highlevel_host_reset(struct hpsb_host *host) { - struct hpsb_highlevel *hl; + unsigned long flags; + struct hpsb_highlevel *hl; - read_lock(&hl_irqs_lock); + read_lock_irqsave(&hl_irqs_lock, flags); list_for_each_entry(hl, &hl_irqs, irq_list) { - if (hl->host_reset) - hl->host_reset(host); - } - read_unlock(&hl_irqs_lock); + if (hl->host_reset) + hl->host_reset(host); + } + read_unlock_irqrestore(&hl_irqs_lock, flags); } void highlevel_iso_receive(struct hpsb_host *host, void *data, size_t length) { - struct hpsb_highlevel *hl; - int channel = (((quadlet_t *)data)[0] >> 8) & 0x3f; + unsigned long flags; + struct hpsb_highlevel *hl; + int channel = (((quadlet_t *)data)[0] >> 8) & 0x3f; - read_lock(&hl_irqs_lock); + read_lock_irqsave(&hl_irqs_lock, flags); list_for_each_entry(hl, &hl_irqs, irq_list) { - if (hl->iso_receive) - hl->iso_receive(host, channel, data, length); - } - read_unlock(&hl_irqs_lock); + if (hl->iso_receive) + hl->iso_receive(host, channel, data, length); + } + read_unlock_irqrestore(&hl_irqs_lock, flags); } void highlevel_fcp_request(struct hpsb_host *host, int nodeid, int direction, void *data, size_t length) { - struct hpsb_highlevel *hl; - int cts = ((quadlet_t *)data)[0] >> 4; + unsigned long flags; + struct hpsb_highlevel *hl; + int cts = ((quadlet_t *)data)[0] >> 4; - read_lock(&hl_irqs_lock); + read_lock_irqsave(&hl_irqs_lock, flags); list_for_each_entry(hl, &hl_irqs, irq_list) { - if (hl->fcp_request) - hl->fcp_request(host, nodeid, direction, cts, data, + if (hl->fcp_request) + hl->fcp_request(host, nodeid, direction, cts, data, length); - } - read_unlock(&hl_irqs_lock); + } + read_unlock_irqrestore(&hl_irqs_lock, flags); } -int highlevel_read(struct hpsb_host *host, int nodeid, void *data, - u64 addr, unsigned int length, u16 flags) +int highlevel_read(struct hpsb_host *host, int nodeid, void *data, u64 addr, + unsigned int length, u16 flags) { - struct hpsb_address_serve *as; - unsigned int partlength; - int rcode = RCODE_ADDRESS_ERROR; - - read_lock(&addr_space_lock); + struct hpsb_address_serve *as; + unsigned int partlength; + int rcode = RCODE_ADDRESS_ERROR; + read_lock(&addr_space_lock); list_for_each_entry(as, &host->addr_space, host_list) { if (as->start > addr) break; - if (as->end > addr) { - partlength = min(as->end - addr, (u64) length); + if (as->end > addr) { + partlength = min(as->end - addr, (u64) length); - if (as->op->read) { - rcode = as->op->read(host, nodeid, data, + if (as->op->read) + rcode = as->op->read(host, nodeid, data, addr, partlength, flags); - } else { - rcode = RCODE_TYPE_ERROR; - } + else + rcode = RCODE_TYPE_ERROR; data += partlength; - length -= partlength; - addr += partlength; - - if ((rcode != RCODE_COMPLETE) || !length) { - break; - } - } - } - - read_unlock(&addr_space_lock); + length -= partlength; + addr += partlength; - if (length && (rcode == RCODE_COMPLETE)) { - rcode = RCODE_ADDRESS_ERROR; - } + if ((rcode != RCODE_COMPLETE) || !length) + break; + } + } + read_unlock(&addr_space_lock); - return rcode; + if (length && (rcode == RCODE_COMPLETE)) + rcode = RCODE_ADDRESS_ERROR; + return rcode; } -int highlevel_write(struct hpsb_host *host, int nodeid, int destid, - void *data, u64 addr, unsigned int length, u16 flags) +int highlevel_write(struct hpsb_host *host, int nodeid, int destid, void *data, + u64 addr, unsigned int length, u16 flags) { - struct hpsb_address_serve *as; - unsigned int partlength; - int rcode = RCODE_ADDRESS_ERROR; - - read_lock(&addr_space_lock); + struct hpsb_address_serve *as; + unsigned int partlength; + int rcode = RCODE_ADDRESS_ERROR; + read_lock(&addr_space_lock); list_for_each_entry(as, &host->addr_space, host_list) { if (as->start > addr) break; - if (as->end > addr) { - partlength = min(as->end - addr, (u64) length); + if (as->end > addr) { + partlength = min(as->end - addr, (u64) length); - if (as->op->write) { - rcode = as->op->write(host, nodeid, destid, - data, addr, partlength, flags); - } else { - rcode = RCODE_TYPE_ERROR; - } + if (as->op->write) + rcode = as->op->write(host, nodeid, destid, + data, addr, partlength, + flags); + else + rcode = RCODE_TYPE_ERROR; data += partlength; - length -= partlength; - addr += partlength; - - if ((rcode != RCODE_COMPLETE) || !length) { - break; - } - } - } - - read_unlock(&addr_space_lock); + length -= partlength; + addr += partlength; - if (length && (rcode == RCODE_COMPLETE)) { - rcode = RCODE_ADDRESS_ERROR; - } + if ((rcode != RCODE_COMPLETE) || !length) + break; + } + } + read_unlock(&addr_space_lock); - return rcode; + if (length && (rcode == RCODE_COMPLETE)) + rcode = RCODE_ADDRESS_ERROR; + return rcode; } - int highlevel_lock(struct hpsb_host *host, int nodeid, quadlet_t *store, - u64 addr, quadlet_t data, quadlet_t arg, int ext_tcode, u16 flags) + u64 addr, quadlet_t data, quadlet_t arg, int ext_tcode, + u16 flags) { - struct hpsb_address_serve *as; - int rcode = RCODE_ADDRESS_ERROR; - - read_lock(&addr_space_lock); + struct hpsb_address_serve *as; + int rcode = RCODE_ADDRESS_ERROR; + read_lock(&addr_space_lock); list_for_each_entry(as, &host->addr_space, host_list) { if (as->start > addr) break; - if (as->end > addr) { - if (as->op->lock) { - rcode = as->op->lock(host, nodeid, store, addr, - data, arg, ext_tcode, flags); - } else { - rcode = RCODE_TYPE_ERROR; - } - - break; - } - } - - read_unlock(&addr_space_lock); - - return rcode; + if (as->end > addr) { + if (as->op->lock) + rcode = as->op->lock(host, nodeid, store, addr, + data, arg, ext_tcode, + flags); + else + rcode = RCODE_TYPE_ERROR; + break; + } + } + read_unlock(&addr_space_lock); + return rcode; } int highlevel_lock64(struct hpsb_host *host, int nodeid, octlet_t *store, - u64 addr, octlet_t data, octlet_t arg, int ext_tcode, u16 flags) + u64 addr, octlet_t data, octlet_t arg, int ext_tcode, + u16 flags) { - struct hpsb_address_serve *as; - int rcode = RCODE_ADDRESS_ERROR; + struct hpsb_address_serve *as; + int rcode = RCODE_ADDRESS_ERROR; - read_lock(&addr_space_lock); + read_lock(&addr_space_lock); list_for_each_entry(as, &host->addr_space, host_list) { if (as->start > addr) break; - if (as->end > addr) { - if (as->op->lock64) { - rcode = as->op->lock64(host, nodeid, store, - addr, data, arg, - ext_tcode, flags); - } else { - rcode = RCODE_TYPE_ERROR; - } - - break; - } - } - - read_unlock(&addr_space_lock); - - return rcode; + if (as->end > addr) { + if (as->op->lock64) + rcode = as->op->lock64(host, nodeid, store, + addr, data, arg, + ext_tcode, flags); + else + rcode = RCODE_TYPE_ERROR; + break; + } + } + read_unlock(&addr_space_lock); + return rcode; } diff --git a/drivers/ieee1394/hosts.c b/drivers/ieee1394/hosts.c index ba09741..2d47b11 100644 --- a/drivers/ieee1394/hosts.c +++ b/drivers/ieee1394/hosts.c @@ -19,6 +19,7 @@ #include <linux/pci.h> #include <linux/timer.h> #include <linux/jiffies.h> +#include <linux/mutex.h> #include "csr1212.h" #include "ieee1394.h" @@ -105,7 +106,7 @@ static int alloc_hostnum_cb(struct hpsb_host *host, void *__data) * Return Value: a pointer to the &hpsb_host if succesful, %NULL if * no memory was available. */ -static DECLARE_MUTEX(host_num_alloc); +static DEFINE_MUTEX(host_num_alloc); struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, struct device *dev) @@ -148,7 +149,7 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, h->topology_map = h->csr.topology_map + 3; h->speed_map = (u8 *)(h->csr.speed_map + 2); - down(&host_num_alloc); + mutex_lock(&host_num_alloc); while (nodemgr_for_each_host(&hostnum, alloc_hostnum_cb)) hostnum++; @@ -167,7 +168,7 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, class_device_register(&h->class_dev); get_device(&h->device); - up(&host_num_alloc); + mutex_unlock(&host_num_alloc); return h; } diff --git a/drivers/ieee1394/hosts.h b/drivers/ieee1394/hosts.h index 07d188c..9ad4b24 100644 --- a/drivers/ieee1394/hosts.h +++ b/drivers/ieee1394/hosts.h @@ -30,13 +30,14 @@ struct hpsb_host { unsigned char iso_listen_count[64]; - int node_count; /* number of identified nodes on this bus */ - int selfid_count; /* total number of SelfIDs received */ - int nodes_active; /* number of nodes that are actually active */ + int node_count; /* number of identified nodes on this bus */ + int selfid_count; /* total number of SelfIDs received */ + int nodes_active; /* number of nodes with active link layer */ + u8 speed[ALL_NODES]; /* speed between each node and local node */ - nodeid_t node_id; /* node ID of this host */ - nodeid_t irm_id; /* ID of this bus' isochronous resource manager */ - nodeid_t busmgr_id; /* ID of this bus' bus manager */ + nodeid_t node_id; /* node ID of this host */ + nodeid_t irm_id; /* ID of this bus' isochronous resource manager */ + nodeid_t busmgr_id; /* ID of this bus' bus manager */ /* this nodes state */ unsigned in_bus_reset:1; @@ -55,7 +56,7 @@ struct hpsb_host { struct csr_control csr; /* Per node tlabel pool allocation */ - struct hpsb_tlabel_pool tpool[64]; + struct hpsb_tlabel_pool tpool[ALL_NODES]; struct hpsb_host_driver *driver; @@ -72,6 +73,8 @@ struct hpsb_host { unsigned int config_roms; struct list_head addr_space; + u64 low_addr_space; /* upper bound of physical DMA area */ + u64 middle_addr_space; /* upper bound of posted write area */ }; diff --git a/drivers/ieee1394/ieee1394_core.c b/drivers/ieee1394/ieee1394_core.c index be6854e..49354de 100644 --- a/drivers/ieee1394/ieee1394_core.c +++ b/drivers/ieee1394/ieee1394_core.c @@ -33,6 +33,7 @@ #include <linux/kdev_t.h> #include <linux/skbuff.h> #include <linux/suspend.h> +#include <linux/kthread.h> #include <asm/byteorder.h> #include <asm/semaphore.h> @@ -285,9 +286,9 @@ static int check_selfids(struct hpsb_host *host) static void build_speed_map(struct hpsb_host *host, int nodecount) { - u8 speedcap[nodecount]; u8 cldcnt[nodecount]; u8 *map = host->speed_map; + u8 *speedcap = host->speed; struct selfid *sid; struct ext_selfid *esid; int i, j, n; @@ -354,6 +355,11 @@ static void build_speed_map(struct hpsb_host *host, int nodecount) } } } + + /* assume maximum speed for 1394b PHYs, nodemgr will correct it */ + for (n = 0; n < nodecount; n++) + if (speedcap[n] == 3) + speedcap[n] = IEEE1394_SPEED_MAX; } @@ -554,11 +560,10 @@ int hpsb_send_packet(struct hpsb_packet *packet) return 0; } - if (packet->type == hpsb_async && packet->node_id != ALL_NODES) { + if (packet->type == hpsb_async && + NODEID_TO_NODE(packet->node_id) != ALL_NODES) packet->speed_code = - host->speed_map[NODEID_TO_NODE(host->node_id) * 64 - + NODEID_TO_NODE(packet->node_id)]; - } + host->speed[NODEID_TO_NODE(packet->node_id)]; dump_packet("send packet", packet->header, packet->header_size, packet->speed_code); @@ -997,11 +1002,8 @@ void abort_timedouts(unsigned long __opaque) * packets that have a "complete" function are sent here. This way, the * completion is run out of kernel context, and doesn't block the rest of * the stack. */ -static int khpsbpkt_pid = -1, khpsbpkt_kill; -static DECLARE_COMPLETION(khpsbpkt_complete); +static struct task_struct *khpsbpkt_thread; static struct sk_buff_head hpsbpkt_queue; -static DECLARE_MUTEX_LOCKED(khpsbpkt_sig); - static void queue_packet_complete(struct hpsb_packet *packet) { @@ -1011,9 +1013,7 @@ static void queue_packet_complete(struct hpsb_packet *packet) } if (packet->complete_routine != NULL) { skb_queue_tail(&hpsbpkt_queue, packet->skb); - - /* Signal the kernel thread to handle this */ - up(&khpsbpkt_sig); + wake_up_process(khpsbpkt_thread); } return; } @@ -1025,19 +1025,9 @@ static int hpsbpkt_thread(void *__hi) void (*complete_routine)(void*); void *complete_data; - daemonize("khpsbpkt"); - current->flags |= PF_NOFREEZE; - while (1) { - if (down_interruptible(&khpsbpkt_sig)) { - printk("khpsbpkt: received unexpected signal?!\n" ); - break; - } - - if (khpsbpkt_kill) - break; - + while (!kthread_should_stop()) { while ((skb = skb_dequeue(&hpsbpkt_queue)) != NULL) { packet = (struct hpsb_packet *)skb->data; @@ -1048,9 +1038,13 @@ static int hpsbpkt_thread(void *__hi) complete_routine(complete_data); } - } - complete_and_exit(&khpsbpkt_complete, 0); + set_current_state(TASK_INTERRUPTIBLE); + if (!skb_peek(&hpsbpkt_queue)) + schedule(); + __set_current_state(TASK_RUNNING); + } + return 0; } static int __init ieee1394_init(void) @@ -1065,10 +1059,10 @@ static int __init ieee1394_init(void) HPSB_ERR("Some features may not be available\n"); } - khpsbpkt_pid = kernel_thread(hpsbpkt_thread, NULL, CLONE_KERNEL); - if (khpsbpkt_pid < 0) { + khpsbpkt_thread = kthread_run(hpsbpkt_thread, NULL, "khpsbpkt"); + if (IS_ERR(khpsbpkt_thread)) { HPSB_ERR("Failed to start hpsbpkt thread!\n"); - ret = -ENOMEM; + ret = PTR_ERR(khpsbpkt_thread); goto exit_cleanup_config_roms; } @@ -1148,10 +1142,7 @@ release_all_bus: release_chrdev: unregister_chrdev_region(IEEE1394_CORE_DEV, 256); exit_release_kernel_thread: - if (khpsbpkt_pid >= 0) { - kill_proc(khpsbpkt_pid, SIGTERM, 1); - wait_for_completion(&khpsbpkt_complete); - } + kthread_stop(khpsbpkt_thread); exit_cleanup_config_roms: hpsb_cleanup_config_roms(); return ret; @@ -1172,12 +1163,7 @@ static void __exit ieee1394_cleanup(void) bus_remove_file(&ieee1394_bus_type, fw_bus_attrs[i]); bus_unregister(&ieee1394_bus_type); - if (khpsbpkt_pid >= 0) { - khpsbpkt_kill = 1; - mb(); - up(&khpsbpkt_sig); - wait_for_completion(&khpsbpkt_complete); - } + kthread_stop(khpsbpkt_thread); hpsb_cleanup_config_roms(); diff --git a/drivers/ieee1394/ieee1394_transactions.c b/drivers/ieee1394/ieee1394_transactions.c index 3fe2f6c..a114b91 100644 --- a/drivers/ieee1394/ieee1394_transactions.c +++ b/drivers/ieee1394/ieee1394_transactions.c @@ -136,8 +136,11 @@ int hpsb_get_tlabel(struct hpsb_packet *packet) { unsigned long flags; struct hpsb_tlabel_pool *tp; + int n = NODEID_TO_NODE(packet->node_id); - tp = &packet->host->tpool[packet->node_id & NODE_MASK]; + if (unlikely(n == ALL_NODES)) + return 0; + tp = &packet->host->tpool[n]; if (irqs_disabled() || in_atomic()) { if (down_trylock(&tp->count)) @@ -175,8 +178,11 @@ void hpsb_free_tlabel(struct hpsb_packet *packet) { unsigned long flags; struct hpsb_tlabel_pool *tp; + int n = NODEID_TO_NODE(packet->node_id); - tp = &packet->host->tpool[packet->node_id & NODE_MASK]; + if (unlikely(n == ALL_NODES)) + return; + tp = &packet->host->tpool[n]; BUG_ON(packet->tlabel > 63 || packet->tlabel < 0); diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index 082c7fd..948f1b8 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -38,6 +38,7 @@ struct nodemgr_csr_info { struct hpsb_host *host; nodeid_t nodeid; unsigned int generation; + unsigned int speed_unverified:1; }; @@ -57,23 +58,75 @@ static char *nodemgr_find_oui_name(int oui) return NULL; } +/* + * Correct the speed map entry. This is necessary + * - for nodes with link speed < phy speed, + * - for 1394b nodes with negotiated phy port speed < IEEE1394_SPEED_MAX. + * A possible speed is determined by trial and error, using quadlet reads. + */ +static int nodemgr_check_speed(struct nodemgr_csr_info *ci, u64 addr, + quadlet_t *buffer) +{ + quadlet_t q; + u8 i, *speed, old_speed, good_speed; + int ret; + + speed = ci->host->speed + NODEID_TO_NODE(ci->nodeid); + old_speed = *speed; + good_speed = IEEE1394_SPEED_MAX + 1; + + /* Try every speed from S100 to old_speed. + * If we did it the other way around, a too low speed could be caught + * if the retry succeeded for some other reason, e.g. because the link + * just finished its initialization. */ + for (i = IEEE1394_SPEED_100; i <= old_speed; i++) { + *speed = i; + ret = hpsb_read(ci->host, ci->nodeid, ci->generation, addr, + &q, sizeof(quadlet_t)); + if (ret) + break; + *buffer = q; + good_speed = i; + } + if (good_speed <= IEEE1394_SPEED_MAX) { + HPSB_DEBUG("Speed probe of node " NODE_BUS_FMT " yields %s", + NODE_BUS_ARGS(ci->host, ci->nodeid), + hpsb_speedto_str[good_speed]); + *speed = good_speed; + ci->speed_unverified = 0; + return 0; + } + *speed = old_speed; + return ret; +} static int nodemgr_bus_read(struct csr1212_csr *csr, u64 addr, u16 length, void *buffer, void *__ci) { struct nodemgr_csr_info *ci = (struct nodemgr_csr_info*)__ci; - int i, ret = 0; + int i, ret; for (i = 1; ; i++) { ret = hpsb_read(ci->host, ci->nodeid, ci->generation, addr, buffer, length); - if (!ret || i == 3) + if (!ret) { + ci->speed_unverified = 0; + break; + } + /* Give up after 3rd failure. */ + if (i == 3) break; + /* The ieee1394_core guessed the node's speed capability from + * the self ID. Check whether a lower speed works. */ + if (ci->speed_unverified && length == sizeof(quadlet_t)) { + ret = nodemgr_check_speed(ci, addr, buffer); + if (!ret) + break; + } if (msleep_interruptible(334)) return -EINTR; } - return ret; } @@ -1204,6 +1257,8 @@ static void nodemgr_node_scan_one(struct host_info *hi, ci->host = host; ci->nodeid = nodeid; ci->generation = generation; + ci->speed_unverified = + host->speed[NODEID_TO_NODE(nodeid)] > IEEE1394_SPEED_100; /* We need to detect when the ConfigROM's generation has changed, * so we only update the node's info when it needs to be. */ diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c index c031650..3d27841 100644 --- a/drivers/ieee1394/ohci1394.c +++ b/drivers/ieee1394/ohci1394.c @@ -163,7 +163,7 @@ printk(level "%s: fw-host%d: " fmt "\n" , OHCI1394_DRIVER_NAME, ohci->host->id , /* Module Parameters */ static int phys_dma = 1; -module_param(phys_dma, int, 0644); +module_param(phys_dma, int, 0444); MODULE_PARM_DESC(phys_dma, "Enable physical dma (default = 1)."); static void dma_trm_tasklet(unsigned long data); @@ -553,7 +553,8 @@ static void ohci_initialize(struct ti_ohci *ohci) * register content. * To actually enable physical responses is the job of our interrupt * handler which programs the physical request filter. */ - reg_write(ohci, OHCI1394_PhyUpperBound, 0x01000000); + reg_write(ohci, OHCI1394_PhyUpperBound, + OHCI1394_PHYS_UPPER_BOUND_PROGRAMMED >> 16); DBGMSG("physUpperBoundOffset=%08x", reg_read(ohci, OHCI1394_PhyUpperBound)); @@ -580,6 +581,7 @@ static void ohci_initialize(struct ti_ohci *ohci) OHCI1394_isochRx | OHCI1394_isochTx | OHCI1394_postedWriteErr | + OHCI1394_cycleTooLong | OHCI1394_cycleInconsistent); /* Enable link */ @@ -2382,6 +2384,15 @@ static irqreturn_t ohci_irq_handler(int irq, void *dev_id, PRINT(KERN_ERR, "physical posted write error"); /* no recovery strategy yet, had to involve protocol drivers */ } + if (event & OHCI1394_cycleTooLong) { + if(printk_ratelimit()) + PRINT(KERN_WARNING, "isochronous cycle too long"); + else + DBGMSG("OHCI1394_cycleTooLong"); + reg_write(ohci, OHCI1394_LinkControlSet, + OHCI1394_LinkControl_CycleMaster); + event &= ~OHCI1394_cycleTooLong; + } if (event & OHCI1394_cycleInconsistent) { /* We subscribe to the cycleInconsistent event only to * clear the corresponding event bit... otherwise, @@ -3400,6 +3411,14 @@ static int __devinit ohci1394_pci_probe(struct pci_dev *dev, host->csr.max_rec = (reg_read(ohci, OHCI1394_BusOptions) >> 12) & 0xf; host->csr.lnk_spd = reg_read(ohci, OHCI1394_BusOptions) & 0x7; + if (phys_dma) { + host->low_addr_space = + (u64) reg_read(ohci, OHCI1394_PhyUpperBound) << 16; + if (!host->low_addr_space) + host->low_addr_space = OHCI1394_PHYS_UPPER_BOUND_FIXED; + } + host->middle_addr_space = OHCI1394_MIDDLE_ADDRESS_SPACE; + /* Tell the highlevel this host is ready */ if (hpsb_add_host(host)) FAIL(-ENOMEM, "Failed to register host with highlevel"); @@ -3458,24 +3477,13 @@ static void ohci1394_pci_remove(struct pci_dev *pdev) case OHCI_INIT_HAVE_TXRX_BUFFERS__MAYBE: /* The ohci_soft_reset() stops all DMA contexts, so we * dont need to do this. */ - /* Free AR dma */ free_dma_rcv_ctx(&ohci->ar_req_context); free_dma_rcv_ctx(&ohci->ar_resp_context); - - /* Free AT dma */ free_dma_trm_ctx(&ohci->at_req_context); free_dma_trm_ctx(&ohci->at_resp_context); - - /* Free IR dma */ free_dma_rcv_ctx(&ohci->ir_legacy_context); - - /* Free IT dma */ free_dma_trm_ctx(&ohci->it_legacy_context); - /* Free IR legacy dma */ - free_dma_rcv_ctx(&ohci->ir_legacy_context); - - case OHCI_INIT_HAVE_SELFID_BUFFER: pci_free_consistent(ohci->dev, OHCI1394_SI_DMA_BUF_SIZE, ohci->selfid_buf_cpu, @@ -3535,6 +3543,7 @@ static int ohci1394_pci_resume (struct pci_dev *pdev) } #endif /* CONFIG_PPC_PMAC */ + pci_restore_state(pdev); pci_enable_device(pdev); return 0; @@ -3554,6 +3563,8 @@ static int ohci1394_pci_suspend (struct pci_dev *pdev, pm_message_t state) } #endif + pci_save_state(pdev); + return 0; } diff --git a/drivers/ieee1394/ohci1394.h b/drivers/ieee1394/ohci1394.h index 7df0962..fa05f11 100644 --- a/drivers/ieee1394/ohci1394.h +++ b/drivers/ieee1394/ohci1394.h @@ -443,6 +443,16 @@ static inline u32 reg_read(const struct ti_ohci *ohci, int offset) #define OHCI1394_TCODE_PHY 0xE +/* Node offset map (phys DMA area, posted write area). + * The value of OHCI1394_PHYS_UPPER_BOUND_PROGRAMMED may be modified but must + * be lower than OHCI1394_MIDDLE_ADDRESS_SPACE. + * OHCI1394_PHYS_UPPER_BOUND_FIXED and OHCI1394_MIDDLE_ADDRESS_SPACE are + * constants given by the OHCI spec. + */ +#define OHCI1394_PHYS_UPPER_BOUND_FIXED 0x000100000000ULL /* 4 GB */ +#define OHCI1394_PHYS_UPPER_BOUND_PROGRAMMED 0x010000000000ULL /* 1 TB */ +#define OHCI1394_MIDDLE_ADDRESS_SPACE 0xffff00000000ULL + void ohci1394_init_iso_tasklet(struct ohci1394_iso_tasklet *tasklet, int type, void (*func)(unsigned long), diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c index f7de546..20ce539 100644 --- a/drivers/ieee1394/raw1394.c +++ b/drivers/ieee1394/raw1394.c @@ -408,34 +408,34 @@ static void fcp_request(struct hpsb_host *host, int nodeid, int direction, #ifdef CONFIG_COMPAT struct compat_raw1394_req { - __u32 type; - __s32 error; - __u32 misc; + __u32 type; + __s32 error; + __u32 misc; - __u32 generation; - __u32 length; + __u32 generation; + __u32 length; - __u64 address; + __u64 address; - __u64 tag; + __u64 tag; - __u64 sendb; - __u64 recvb; -} __attribute__((packed)); + __u64 sendb; + __u64 recvb; +} __attribute__((packed)); static const char __user *raw1394_compat_write(const char __user *buf) { - struct compat_raw1394_req __user *cr = (typeof(cr)) buf; + struct compat_raw1394_req __user *cr = (typeof(cr)) buf; struct raw1394_request __user *r; r = compat_alloc_user_space(sizeof(struct raw1394_request)); #define C(x) __copy_in_user(&r->x, &cr->x, sizeof(r->x)) if (copy_in_user(r, cr, sizeof(struct compat_raw1394_req)) || - C(address) || - C(tag) || - C(sendb) || - C(recvb)) + C(address) || + C(tag) || + C(sendb) || + C(recvb)) return ERR_PTR(-EFAULT); return (const char __user *)r; } @@ -443,11 +443,11 @@ static const char __user *raw1394_compat_write(const char __user *buf) #define P(x) __put_user(r->x, &cr->x) -static int +static int raw1394_compat_read(const char __user *buf, struct raw1394_request *r) { - struct compat_raw1394_req __user *cr = (typeof(cr)) r; - if (!access_ok(VERIFY_WRITE,cr,sizeof(struct compat_raw1394_req)) || + struct compat_raw1394_req __user *cr = (typeof(cr)) r; + if (!access_ok(VERIFY_WRITE, cr, sizeof(struct compat_raw1394_req)) || P(type) || P(error) || P(misc) || @@ -512,18 +512,17 @@ static ssize_t raw1394_read(struct file *file, char __user * buffer, } #ifdef CONFIG_COMPAT - if (count == sizeof(struct compat_raw1394_req) && - sizeof(struct compat_raw1394_req) != - sizeof(struct raw1394_request)) { + if (count == sizeof(struct compat_raw1394_req) && + sizeof(struct compat_raw1394_req) != + sizeof(struct raw1394_request)) { ret = raw1394_compat_read(buffer, &req->req); - - } else + } else #endif { if (copy_to_user(buffer, &req->req, sizeof(req->req))) { ret = -EFAULT; goto out; - } + } ret = (ssize_t) sizeof(struct raw1394_request); } out: @@ -2348,7 +2347,6 @@ static int state_connected(struct file_info *fi, struct pending_request *req) return handle_async_request(fi, req, node); } - static ssize_t raw1394_write(struct file *file, const char __user * buffer, size_t count, loff_t * offset_is_ignored) { @@ -2357,9 +2355,9 @@ static ssize_t raw1394_write(struct file *file, const char __user * buffer, ssize_t retval = 0; #ifdef CONFIG_COMPAT - if (count == sizeof(struct compat_raw1394_req) && - sizeof(struct compat_raw1394_req) != - sizeof(struct raw1394_request)) { + if (count == sizeof(struct compat_raw1394_req) && + sizeof(struct compat_raw1394_req) != + sizeof(struct raw1394_request)) { buffer = raw1394_compat_write(buffer); if (IS_ERR(buffer)) return PTR_ERR(buffer); diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 5413dc4..1d5ceb7 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -127,10 +127,12 @@ MODULE_PARM_DESC(max_sectors, "Change max sectors per I/O supported (default = " * talking to a single sbp2 device at the same time (filesystem coherency, * etc.). If you're running an sbp2 device that supports multiple logins, * and you're either running read-only filesystems or some sort of special - * filesystem supporting multiple hosts (one such filesystem is OpenGFS, - * see opengfs.sourceforge.net for more info), then set exclusive_login - * to zero. Note: The Oxsemi OXFW911 sbp2 chipset supports up to four - * concurrent logins. + * filesystem supporting multiple hosts, e.g. OpenGFS, Oracle Cluster + * File System, or Lustre, then set exclusive_login to zero. + * + * So far only bridges from Oxford Semiconductor are known to support + * concurrent logins. Depending on firmware, four or two concurrent logins + * are possible on OXFW911 and newer Oxsemi bridges. */ static int exclusive_login = 1; module_param(exclusive_login, int, 0644); @@ -306,8 +308,9 @@ static const struct { u32 model_id; unsigned workarounds; } sbp2_workarounds_table[] = { - /* TSB42AA9 */ { + /* DViCO Momobay CX-1 with TSB42AA9 bridge */ { .firmware_revision = 0x002800, + .model_id = 0x001010, .workarounds = SBP2_WORKAROUND_INQUIRY_36 | SBP2_WORKAROUND_MODE_SENSE_8, }, @@ -791,12 +794,12 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud scsi_id->ud = ud; scsi_id->speed_code = IEEE1394_SPEED_100; scsi_id->max_payload_size = sbp2_speedto_max_payload[IEEE1394_SPEED_100]; + scsi_id->status_fifo_addr = CSR1212_INVALID_ADDR_SPACE; atomic_set(&scsi_id->sbp2_login_complete, 0); INIT_LIST_HEAD(&scsi_id->sbp2_command_orb_inuse); INIT_LIST_HEAD(&scsi_id->sbp2_command_orb_completed); INIT_LIST_HEAD(&scsi_id->scsi_list); spin_lock_init(&scsi_id->sbp2_command_orb_lock); - scsi_id->sbp2_lun = 0; ud->device.driver_data = scsi_id; @@ -844,8 +847,8 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud scsi_id->status_fifo_addr = hpsb_allocate_and_register_addrspace( &sbp2_highlevel, ud->ne->host, &sbp2_ops, sizeof(struct sbp2_status_block), sizeof(quadlet_t), - 0x010000000000ULL, CSR1212_ALL_SPACE_END); - if (scsi_id->status_fifo_addr == ~0ULL) { + ud->ne->host->low_addr_space, CSR1212_ALL_SPACE_END); + if (scsi_id->status_fifo_addr == CSR1212_INVALID_ADDR_SPACE) { SBP2_ERR("failed to allocate status FIFO address range"); goto failed_alloc; } @@ -1087,9 +1090,9 @@ static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id) SBP2_DMA_FREE("single query logins data"); } - if (scsi_id->status_fifo_addr) + if (scsi_id->status_fifo_addr != CSR1212_INVALID_ADDR_SPACE) hpsb_unregister_addrspace(&sbp2_highlevel, hi->host, - scsi_id->status_fifo_addr); + scsi_id->status_fifo_addr); scsi_id->ud->device.driver_data = NULL; @@ -1213,13 +1216,11 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id) SBP2_DEBUG("length_max_logins = %x", (unsigned int)scsi_id->query_logins_response->length_max_logins); - SBP2_DEBUG("Query logins to SBP-2 device successful"); - max_logins = RESPONSE_GET_MAX_LOGINS(scsi_id->query_logins_response->length_max_logins); - SBP2_DEBUG("Maximum concurrent logins supported: %d", max_logins); + SBP2_INFO("Maximum concurrent logins supported: %d", max_logins); active_logins = RESPONSE_GET_ACTIVE_LOGINS(scsi_id->query_logins_response->length_max_logins); - SBP2_DEBUG("Number of active logins: %d", active_logins); + SBP2_INFO("Number of active logins: %d", active_logins); if (active_logins >= max_logins) { return -EIO; @@ -1648,6 +1649,8 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, } } +#define SBP2_PAYLOAD_TO_BYTES(p) (1 << ((p) + 2)) + /* * This function is called in order to determine the max speed and packet * size we can use in our ORBs. Note, that we (the driver and host) only @@ -1660,13 +1663,12 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, static int sbp2_max_speed_and_size(struct scsi_id_instance_data *scsi_id) { struct sbp2scsi_host_info *hi = scsi_id->hi; + u8 payload; SBP2_DEBUG_ENTER(); - /* Initial setting comes from the hosts speed map */ scsi_id->speed_code = - hi->host->speed_map[NODEID_TO_NODE(hi->host->node_id) * 64 + - NODEID_TO_NODE(scsi_id->ne->nodeid)]; + hi->host->speed[NODEID_TO_NODE(scsi_id->ne->nodeid)]; /* Bump down our speed if the user requested it */ if (scsi_id->speed_code > max_speed) { @@ -1677,15 +1679,22 @@ static int sbp2_max_speed_and_size(struct scsi_id_instance_data *scsi_id) /* Payload size is the lesser of what our speed supports and what * our host supports. */ - scsi_id->max_payload_size = - min(sbp2_speedto_max_payload[scsi_id->speed_code], - (u8) (hi->host->csr.max_rec - 1)); + payload = min(sbp2_speedto_max_payload[scsi_id->speed_code], + (u8) (hi->host->csr.max_rec - 1)); + + /* If physical DMA is off, work around limitation in ohci1394: + * packet size must not exceed PAGE_SIZE */ + if (scsi_id->ne->host->low_addr_space < (1ULL << 32)) + while (SBP2_PAYLOAD_TO_BYTES(payload) + 24 > PAGE_SIZE && + payload) + payload--; HPSB_DEBUG("Node " NODE_BUS_FMT ": Max speed [%s] - Max payload [%u]", NODE_BUS_ARGS(hi->host, scsi_id->ne->nodeid), hpsb_speedto_str[scsi_id->speed_code], - 1 << ((u32) scsi_id->max_payload_size + 2)); + SBP2_PAYLOAD_TO_BYTES(payload)); + scsi_id->max_payload_size = payload; return 0; } @@ -2113,33 +2122,6 @@ static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, unchar *sense } /* - * This function is called after a command is completed, in order to do any necessary SBP-2 - * response data translations for the SCSI stack - */ -static void sbp2_check_sbp2_response(struct scsi_id_instance_data *scsi_id, - struct scsi_cmnd *SCpnt) -{ - u8 *scsi_buf = SCpnt->request_buffer; - - SBP2_DEBUG_ENTER(); - - if (SCpnt->cmnd[0] == INQUIRY && (SCpnt->cmnd[1] & 3) == 0) { - /* - * Make sure data length is ok. Minimum length is 36 bytes - */ - if (scsi_buf[4] == 0) { - scsi_buf[4] = 36 - 5; - } - - /* - * Fix ansi revision and response data format - */ - scsi_buf[2] |= 2; - scsi_buf[3] = (scsi_buf[3] & 0xf0) | 2; - } -} - -/* * This function deals with status writes from the SBP-2 device */ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, int destid, @@ -2478,13 +2460,6 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, } /* - * Take care of any sbp2 response data mucking here (RBC stuff, etc.) - */ - if (SCpnt->result == DID_OK << 16) { - sbp2_check_sbp2_response(scsi_id, SCpnt); - } - - /* * If a bus reset is in progress and there was an error, complete * the command as busy so that it will get retried. */ diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h index f4ccc9d..b22ce1a 100644 --- a/drivers/ieee1394/sbp2.h +++ b/drivers/ieee1394/sbp2.h @@ -52,7 +52,7 @@ struct sbp2_command_orb { u32 data_descriptor_lo; u32 misc; u8 cdb[12]; -}; +} __attribute__((packed)); #define SBP2_LOGIN_REQUEST 0x0 #define SBP2_QUERY_LOGINS_REQUEST 0x1 @@ -80,7 +80,7 @@ struct sbp2_login_orb { u32 passwd_resp_lengths; u32 status_fifo_hi; u32 status_fifo_lo; -}; +} __attribute__((packed)); #define RESPONSE_GET_LOGIN_ID(value) (value & 0xffff) #define RESPONSE_GET_LENGTH(value) ((value >> 16) & 0xffff) @@ -91,7 +91,7 @@ struct sbp2_login_response { u32 command_block_agent_hi; u32 command_block_agent_lo; u32 reconnect_hold; -}; +} __attribute__((packed)); #define ORB_SET_LOGIN_ID(value) (value & 0xffff) @@ -106,7 +106,7 @@ struct sbp2_query_logins_orb { u32 reserved_resp_length; u32 status_fifo_hi; u32 status_fifo_lo; -}; +} __attribute__((packed)); #define RESPONSE_GET_MAX_LOGINS(value) (value & 0xffff) #define RESPONSE_GET_ACTIVE_LOGINS(value) ((RESPONSE_GET_LENGTH(value) - 4) / 12) @@ -116,7 +116,7 @@ struct sbp2_query_logins_response { u32 misc_IDs; u32 initiator_misc_hi; u32 initiator_misc_lo; -}; +} __attribute__((packed)); struct sbp2_reconnect_orb { u32 reserved1; @@ -127,7 +127,7 @@ struct sbp2_reconnect_orb { u32 reserved5; u32 status_fifo_hi; u32 status_fifo_lo; -}; +} __attribute__((packed)); struct sbp2_logout_orb { u32 reserved1; @@ -138,7 +138,7 @@ struct sbp2_logout_orb { u32 reserved5; u32 status_fifo_hi; u32 status_fifo_lo; -}; +} __attribute__((packed)); #define PAGE_TABLE_SET_SEGMENT_BASE_HI(value) (value & 0xffff) #define PAGE_TABLE_SET_SEGMENT_LENGTH(value) ((value & 0xffff) << 16) @@ -146,7 +146,7 @@ struct sbp2_logout_orb { struct sbp2_unrestricted_page_table { u32 length_segment_base_hi; u32 segment_base_lo; -}; +} __attribute__((packed)); #define RESP_STATUS_REQUEST_COMPLETE 0x0 #define RESP_STATUS_TRANSPORT_FAILURE 0x1 @@ -191,7 +191,7 @@ struct sbp2_status_block { u32 ORB_offset_hi_misc; u32 ORB_offset_lo; u8 command_set_dependent[24]; -}; +} __attribute__((packed)); /* * Miscellaneous SBP2 related config rom defines @@ -395,9 +395,8 @@ static int sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, static int sbp2_send_command(struct scsi_id_instance_data *scsi_id, struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)); -static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, unchar *sense_data); -static void sbp2_check_sbp2_response(struct scsi_id_instance_data *scsi_id, - struct scsi_cmnd *SCpnt); +static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, + unchar *sense_data); static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, struct unit_directory *ud); static int sbp2_set_busy_timeout(struct scsi_id_instance_data *scsi_id); diff --git a/drivers/ieee1394/video1394.c b/drivers/ieee1394/video1394.c index 4e3bd62..295d0f8 100644 --- a/drivers/ieee1394/video1394.c +++ b/drivers/ieee1394/video1394.c @@ -331,7 +331,7 @@ alloc_dma_iso_ctx(struct ti_ohci *ohci, int type, int num_desc, spin_lock_init(&d->lock); - PRINT(KERN_INFO, ohci->host->id, "Iso %s DMA: %d buffers " + DBGMSG(ohci->host->id, "Iso %s DMA: %d buffers " "of size %d allocated for a frame size %d, each with %d prgs", (type == OHCI_ISO_RECEIVE) ? "receive" : "transmit", d->num_desc - 1, d->buf_size, d->frame_size, d->nb_cmd); @@ -759,7 +759,7 @@ static int __video1394_ioctl(struct file *file, } else { mask = (u64)0x1<<v.channel; } - PRINT(KERN_INFO, ohci->host->id, "mask: %08X%08X usage: %08X%08X\n", + DBGMSG(ohci->host->id, "mask: %08X%08X usage: %08X%08X\n", (u32)(mask>>32),(u32)(mask&0xffffffff), (u32)(ohci->ISO_channel_usage>>32), (u32)(ohci->ISO_channel_usage&0xffffffff)); @@ -805,7 +805,7 @@ static int __video1394_ioctl(struct file *file, v.buf_size = d->buf_size; list_add_tail(&d->link, &ctx->context_list); - PRINT(KERN_INFO, ohci->host->id, + DBGMSG(ohci->host->id, "iso context %d listen on channel %d", d->ctx, v.channel); } @@ -828,7 +828,7 @@ static int __video1394_ioctl(struct file *file, list_add_tail(&d->link, &ctx->context_list); - PRINT(KERN_INFO, ohci->host->id, + DBGMSG(ohci->host->id, "Iso context %d talk on channel %d", d->ctx, v.channel); } @@ -873,7 +873,7 @@ static int __video1394_ioctl(struct file *file, d = find_ctx(&ctx->context_list, OHCI_ISO_TRANSMIT, channel); if (d == NULL) return -ESRCH; - PRINT(KERN_INFO, ohci->host->id, "Iso context %d " + DBGMSG(ohci->host->id, "Iso context %d " "stop talking on channel %d", d->ctx, channel); free_dma_iso_ctx(d); @@ -935,7 +935,7 @@ static int __video1394_ioctl(struct file *file, else { /* Wake up dma context if necessary */ if (!(reg_read(ohci, d->ctrlSet) & 0x400)) { - PRINT(KERN_INFO, ohci->host->id, + DBGMSG(ohci->host->id, "Waking up iso dma ctx=%d", d->ctx); reg_write(ohci, d->ctrlSet, 0x1000); } @@ -1106,7 +1106,7 @@ static int __video1394_ioctl(struct file *file, else { /* Wake up dma context if necessary */ if (!(reg_read(ohci, d->ctrlSet) & 0x400)) { - PRINT(KERN_INFO, ohci->host->id, + DBGMSG(ohci->host->id, "Waking up iso transmit dma ctx=%d", d->ctx); put_timestamp(ohci, d, d->last_buffer); @@ -1232,7 +1232,7 @@ static int video1394_release(struct inode *inode, struct file *file) "is not being used", d->channel); else ohci->ISO_channel_usage &= ~mask; - PRINT(KERN_INFO, ohci->host->id, "On release: Iso %s context " + DBGMSG(ohci->host->id, "On release: Iso %s context " "%d stop listening on channel %d", d->type == OHCI_ISO_RECEIVE ? "receive" : "transmit", d->ctx, d->channel); |