diff options
Diffstat (limited to 'drivers/scsi')
64 files changed, 1756 insertions, 954 deletions
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 6a19ed9a1194..9c23122f755f 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -258,10 +258,21 @@ config SCSI_SCAN_ASYNC or async on the kernel's command line. config SCSI_WAIT_SCAN - tristate + tristate # No prompt here, this is an invisible symbol. default m depends on SCSI depends on MODULES +# scsi_wait_scan is a loadable module which waits until all the async scans are +# complete. The idea is to use it in initrd/ initramfs scripts. You modprobe +# it after all the modprobes of the root SCSI drivers and it will wait until +# they have all finished scanning their buses before allowing the boot to +# proceed. (This method is not applicable if targets boot independently in +# parallel with the initiator, or with transports with non-deterministic target +# discovery schemes, or if a transport driver does not support scsi_wait_scan.) +# +# This symbol is not exposed as a prompt because little is to be gained by +# disabling it, whereas people who accidentally switch it off may wonder why +# their mkinitrd gets into trouble. menu "SCSI Transports" depends on SCSI diff --git a/drivers/scsi/atari_NCR5380.c b/drivers/scsi/atari_NCR5380.c index 0471f8800483..4240b05aef6d 100644 --- a/drivers/scsi/atari_NCR5380.c +++ b/drivers/scsi/atari_NCR5380.c @@ -2826,8 +2826,7 @@ int NCR5380_abort(Scsi_Cmnd *cmd) */ local_irq_restore(flags); - printk(KERN_INFO "scsi%d: warning : SCSI command probably completed successfully\n" - KERN_INFO " before abortion\n", HOSTNO); + printk(KERN_INFO "scsi%d: warning : SCSI command probably completed successfully before abortion\n", HOSTNO); /* Maybe it is sufficient just to release the ST-DMA lock... (if * possible at all) At least, we should check if the lock could be diff --git a/drivers/scsi/bnx2i/Kconfig b/drivers/scsi/bnx2i/Kconfig index b62b482e55e7..1e9f7141102b 100644 --- a/drivers/scsi/bnx2i/Kconfig +++ b/drivers/scsi/bnx2i/Kconfig @@ -1,6 +1,8 @@ config SCSI_BNX2_ISCSI tristate "Broadcom NetXtreme II iSCSI support" select SCSI_ISCSI_ATTRS + select NETDEVICES + select NETDEV_1000 select CNIC depends on PCI ---help--- diff --git a/drivers/scsi/cxgb3i/Kbuild b/drivers/scsi/cxgb3i/Kbuild index 25a2032bfa26..70d060b7ff4f 100644 --- a/drivers/scsi/cxgb3i/Kbuild +++ b/drivers/scsi/cxgb3i/Kbuild @@ -1,4 +1,4 @@ -EXTRA_CFLAGS += -I$(TOPDIR)/drivers/net/cxgb3 +EXTRA_CFLAGS += -I$(srctree)/drivers/net/cxgb3 cxgb3i-y := cxgb3i_init.o cxgb3i_iscsi.o cxgb3i_pdu.o cxgb3i_offload.o cxgb3i_ddp.o obj-$(CONFIG_SCSI_CXGB3_ISCSI) += cxgb3i.o diff --git a/drivers/scsi/cxgb3i/cxgb3i_ddp.c b/drivers/scsi/cxgb3i/cxgb3i_ddp.c index 99c912547902..344fd53b9954 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_ddp.c +++ b/drivers/scsi/cxgb3i/cxgb3i_ddp.c @@ -206,6 +206,31 @@ int cxgb3i_ddp_find_page_index(unsigned long pgsz) return DDP_PGIDX_MAX; } +/** + * cxgb3i_ddp_adjust_page_table - adjust page table with PAGE_SIZE + * return the ddp page index, if no match is found return DDP_PGIDX_MAX. + */ +int cxgb3i_ddp_adjust_page_table(void) +{ + int i; + unsigned int base_order, order; + + if (PAGE_SIZE < (1UL << ddp_page_shift[0])) { + ddp_log_info("PAGE_SIZE 0x%lx too small, min. 0x%lx.\n", + PAGE_SIZE, 1UL << ddp_page_shift[0]); + return -EINVAL; + } + + base_order = get_order(1UL << ddp_page_shift[0]); + order = get_order(1 << PAGE_SHIFT); + for (i = 0; i < DDP_PGIDX_MAX; i++) { + /* first is the kernel page size, then just doubling the size */ + ddp_page_order[i] = order - base_order + i; + ddp_page_shift[i] = PAGE_SHIFT + i; + } + return 0; +} + static inline void ddp_gl_unmap(struct pci_dev *pdev, struct cxgb3i_gather_list *gl) { @@ -598,30 +623,40 @@ int cxgb3i_adapter_ddp_info(struct t3cdev *tdev, * release all the resource held by the ddp pagepod manager for a given * adapter if needed */ -void cxgb3i_ddp_cleanup(struct t3cdev *tdev) + +static void ddp_cleanup(struct kref *kref) { + struct cxgb3i_ddp_info *ddp = container_of(kref, + struct cxgb3i_ddp_info, + refcnt); int i = 0; + + ddp_log_info("kref release ddp 0x%p, t3dev 0x%p.\n", ddp, ddp->tdev); + + ddp->tdev->ulp_iscsi = NULL; + while (i < ddp->nppods) { + struct cxgb3i_gather_list *gl = ddp->gl_map[i]; + if (gl) { + int npods = (gl->nelem + PPOD_PAGES_MAX - 1) + >> PPOD_PAGES_SHIFT; + ddp_log_info("t3dev 0x%p, ddp %d + %d.\n", + ddp->tdev, i, npods); + kfree(gl); + ddp_free_gl_skb(ddp, i, npods); + i += npods; + } else + i++; + } + cxgb3i_free_big_mem(ddp); +} + +void cxgb3i_ddp_cleanup(struct t3cdev *tdev) +{ struct cxgb3i_ddp_info *ddp = (struct cxgb3i_ddp_info *)tdev->ulp_iscsi; ddp_log_info("t3dev 0x%p, release ddp 0x%p.\n", tdev, ddp); - - if (ddp) { - tdev->ulp_iscsi = NULL; - while (i < ddp->nppods) { - struct cxgb3i_gather_list *gl = ddp->gl_map[i]; - if (gl) { - int npods = (gl->nelem + PPOD_PAGES_MAX - 1) - >> PPOD_PAGES_SHIFT; - ddp_log_info("t3dev 0x%p, ddp %d + %d.\n", - tdev, i, npods); - kfree(gl); - ddp_free_gl_skb(ddp, i, npods); - i += npods; - } else - i++; - } - cxgb3i_free_big_mem(ddp); - } + if (ddp) + kref_put(&ddp->refcnt, ddp_cleanup); } /** @@ -631,12 +666,13 @@ void cxgb3i_ddp_cleanup(struct t3cdev *tdev) */ static void ddp_init(struct t3cdev *tdev) { - struct cxgb3i_ddp_info *ddp; + struct cxgb3i_ddp_info *ddp = tdev->ulp_iscsi; struct ulp_iscsi_info uinfo; unsigned int ppmax, bits; int i, err; - if (tdev->ulp_iscsi) { + if (ddp) { + kref_get(&ddp->refcnt); ddp_log_warn("t3dev 0x%p, ddp 0x%p already set up.\n", tdev, tdev->ulp_iscsi); return; @@ -670,6 +706,7 @@ static void ddp_init(struct t3cdev *tdev) ppmax * sizeof(struct cxgb3i_gather_list *)); spin_lock_init(&ddp->map_lock); + kref_init(&ddp->refcnt); ddp->tdev = tdev; ddp->pdev = uinfo.pdev; @@ -715,6 +752,17 @@ void cxgb3i_ddp_init(struct t3cdev *tdev) { if (page_idx == DDP_PGIDX_MAX) { page_idx = cxgb3i_ddp_find_page_index(PAGE_SIZE); + + if (page_idx == DDP_PGIDX_MAX) { + ddp_log_info("system PAGE_SIZE %lu, update hw.\n", + PAGE_SIZE); + if (cxgb3i_ddp_adjust_page_table() < 0) { + ddp_log_info("PAGE_SIZE %lu, ddp disabled.\n", + PAGE_SIZE); + return; + } + page_idx = cxgb3i_ddp_find_page_index(PAGE_SIZE); + } ddp_log_info("system PAGE_SIZE %lu, ddp idx %u.\n", PAGE_SIZE, page_idx); } diff --git a/drivers/scsi/cxgb3i/cxgb3i_ddp.h b/drivers/scsi/cxgb3i/cxgb3i_ddp.h index 0d296de7cf32..87dd56b422bf 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_ddp.h +++ b/drivers/scsi/cxgb3i/cxgb3i_ddp.h @@ -54,6 +54,7 @@ struct cxgb3i_gather_list { * struct cxgb3i_ddp_info - cxgb3i direct data placement for pdu payload * * @list: list head to link elements + * @refcnt: ref. count * @tdev: pointer to t3cdev used by cxgb3 driver * @max_txsz: max tx packet size for ddp * @max_rxsz: max rx packet size for ddp @@ -70,6 +71,7 @@ struct cxgb3i_gather_list { */ struct cxgb3i_ddp_info { struct list_head list; + struct kref refcnt; struct t3cdev *tdev; struct pci_dev *pdev; unsigned int max_txsz; diff --git a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c index 74369a3f963b..c399f485aa7d 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c +++ b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c @@ -13,6 +13,7 @@ #include <linux/inet.h> #include <linux/crypto.h> +#include <linux/if_vlan.h> #include <net/dst.h> #include <net/tcp.h> #include <scsi/scsi_cmnd.h> @@ -184,6 +185,9 @@ static struct cxgb3i_hba *cxgb3i_hba_find_by_netdev(struct net_device *ndev) struct cxgb3i_adapter *snic; int i; + if (ndev->priv_flags & IFF_802_1Q_VLAN) + ndev = vlan_dev_real_dev(ndev); + read_lock(&cxgb3i_snic_rwlock); list_for_each_entry(snic, &cxgb3i_snic_list, list_head) { for (i = 0; i < snic->hba_cnt; i++) { diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index c15878e88157..0a5609bb5817 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -45,8 +45,6 @@ #include "fcoe.h" -static int debug_fcoe; - MODULE_AUTHOR("Open-FCoE.org"); MODULE_DESCRIPTION("FCoE"); MODULE_LICENSE("GPL v2"); @@ -305,23 +303,22 @@ static int fcoe_netdev_config(struct fc_lport *lp, struct net_device *netdev) #ifdef NETIF_F_FCOE_CRC if (netdev->features & NETIF_F_FCOE_CRC) { lp->crc_offload = 1; - printk(KERN_DEBUG "fcoe:%s supports FCCRC offload\n", - netdev->name); + FCOE_NETDEV_DBG(netdev, "Supports FCCRC offload\n"); } #endif #ifdef NETIF_F_FSO if (netdev->features & NETIF_F_FSO) { lp->seq_offload = 1; lp->lso_max = netdev->gso_max_size; - printk(KERN_DEBUG "fcoe:%s supports LSO for max len 0x%x\n", - netdev->name, lp->lso_max); + FCOE_NETDEV_DBG(netdev, "Supports LSO for max len 0x%x\n", + lp->lso_max); } #endif if (netdev->fcoe_ddp_xid) { lp->lro_enabled = 1; lp->lro_xid = netdev->fcoe_ddp_xid; - printk(KERN_DEBUG "fcoe:%s supports LRO for max xid 0x%x\n", - netdev->name, lp->lro_xid); + FCOE_NETDEV_DBG(netdev, "Supports LRO for max xid 0x%x\n", + lp->lro_xid); } skb_queue_head_init(&fc->fcoe_pending_queue); fc->fcoe_pending_queue_active = 0; @@ -407,7 +404,8 @@ static int fcoe_shost_config(struct fc_lport *lp, struct Scsi_Host *shost, /* add the new host to the SCSI-ml */ rc = scsi_add_host(lp->host, dev); if (rc) { - FC_DBG("fcoe_shost_config:error on scsi_add_host\n"); + FCOE_NETDEV_DBG(fcoe_netdev(lp), "fcoe_shost_config: " + "error on scsi_add_host\n"); return rc; } sprintf(fc_host_symbolic_name(lp->host), "%s v%s over %s", @@ -448,8 +446,7 @@ static int fcoe_if_destroy(struct net_device *netdev) BUG_ON(!netdev); - printk(KERN_DEBUG "fcoe_if_destroy:interface on %s\n", - netdev->name); + FCOE_NETDEV_DBG(netdev, "Destroying interface\n"); lp = fcoe_hostlist_lookup(netdev); if (!lp) @@ -560,8 +557,7 @@ static int fcoe_if_create(struct net_device *netdev) BUG_ON(!netdev); - printk(KERN_DEBUG "fcoe_if_create:interface on %s\n", - netdev->name); + FCOE_NETDEV_DBG(netdev, "Create Interface\n"); lp = fcoe_hostlist_lookup(netdev); if (lp) @@ -570,7 +566,7 @@ static int fcoe_if_create(struct net_device *netdev) shost = libfc_host_alloc(&fcoe_shost_template, sizeof(struct fcoe_softc)); if (!shost) { - FC_DBG("Could not allocate host structure\n"); + FCOE_NETDEV_DBG(netdev, "Could not allocate host structure\n"); return -ENOMEM; } lp = shost_priv(shost); @@ -579,7 +575,8 @@ static int fcoe_if_create(struct net_device *netdev) /* configure fc_lport, e.g., em */ rc = fcoe_lport_config(lp); if (rc) { - FC_DBG("Could not configure lport\n"); + FCOE_NETDEV_DBG(netdev, "Could not configure lport for the " + "interface\n"); goto out_host_put; } @@ -593,28 +590,32 @@ static int fcoe_if_create(struct net_device *netdev) /* configure lport network properties */ rc = fcoe_netdev_config(lp, netdev); if (rc) { - FC_DBG("Could not configure netdev for the interface\n"); + FCOE_NETDEV_DBG(netdev, "Could not configure netdev for the " + "interface\n"); goto out_netdev_cleanup; } /* configure lport scsi host properties */ rc = fcoe_shost_config(lp, shost, &netdev->dev); if (rc) { - FC_DBG("Could not configure shost for lport\n"); + FCOE_NETDEV_DBG(netdev, "Could not configure shost for the " + "interface\n"); goto out_netdev_cleanup; } /* lport exch manager allocation */ rc = fcoe_em_config(lp); if (rc) { - FC_DBG("Could not configure em for lport\n"); + FCOE_NETDEV_DBG(netdev, "Could not configure the EM for the " + "interface\n"); goto out_netdev_cleanup; } /* Initialize the library */ rc = fcoe_libfc_config(lp, &fcoe_libfc_fcn_templ); if (rc) { - FC_DBG("Could not configure libfc for lport!\n"); + FCOE_NETDEV_DBG(netdev, "Could not configure libfc for the " + "interface\n"); goto out_lp_destroy; } @@ -653,7 +654,7 @@ static int __init fcoe_if_init(void) fc_attach_transport(&fcoe_transport_function); if (!scsi_transport_fcoe_sw) { - printk(KERN_ERR "fcoe_init:fc_attach_transport() failed\n"); + printk(KERN_ERR "fcoe: Failed to attach to the FC transport\n"); return -ENODEV; } @@ -714,7 +715,7 @@ static void fcoe_percpu_thread_destroy(unsigned int cpu) unsigned targ_cpu = smp_processor_id(); #endif /* CONFIG_SMP */ - printk(KERN_DEBUG "fcoe: Destroying receive thread for CPU %d\n", cpu); + FCOE_DBG("Destroying receive thread for CPU %d\n", cpu); /* Prevent any new skbs from being queued for this CPU. */ p = &per_cpu(fcoe_percpu, cpu); @@ -736,8 +737,8 @@ static void fcoe_percpu_thread_destroy(unsigned int cpu) p0 = &per_cpu(fcoe_percpu, targ_cpu); spin_lock_bh(&p0->fcoe_rx_list.lock); if (p0->thread) { - FC_DBG("Moving frames from CPU %d to CPU %d\n", - cpu, targ_cpu); + FCOE_DBG("Moving frames from CPU %d to CPU %d\n", + cpu, targ_cpu); while ((skb = __skb_dequeue(&p->fcoe_rx_list)) != NULL) __skb_queue_tail(&p0->fcoe_rx_list, skb); @@ -803,12 +804,12 @@ static int fcoe_cpu_callback(struct notifier_block *nfb, switch (action) { case CPU_ONLINE: case CPU_ONLINE_FROZEN: - FC_DBG("CPU %x online: Create Rx thread\n", cpu); + FCOE_DBG("CPU %x online: Create Rx thread\n", cpu); fcoe_percpu_thread_create(cpu); break; case CPU_DEAD: case CPU_DEAD_FROZEN: - FC_DBG("CPU %x offline: Remove Rx thread\n", cpu); + FCOE_DBG("CPU %x offline: Remove Rx thread\n", cpu); fcoe_percpu_thread_destroy(cpu); break; default: @@ -846,24 +847,21 @@ int fcoe_rcv(struct sk_buff *skb, struct net_device *dev, fc = container_of(ptype, struct fcoe_softc, fcoe_packet_type); lp = fc->ctlr.lp; if (unlikely(lp == NULL)) { - FC_DBG("cannot find hba structure"); + FCOE_NETDEV_DBG(dev, "Cannot find hba structure"); goto err2; } if (!lp->link_up) goto err2; - if (unlikely(debug_fcoe)) { - FC_DBG("skb_info: len:%d data_len:%d head:%p data:%p tail:%p " - "end:%p sum:%d dev:%s", skb->len, skb->data_len, - skb->head, skb->data, skb_tail_pointer(skb), - skb_end_pointer(skb), skb->csum, - skb->dev ? skb->dev->name : "<NULL>"); - - } + FCOE_NETDEV_DBG(dev, "skb_info: len:%d data_len:%d head:%p " + "data:%p tail:%p end:%p sum:%d dev:%s", + skb->len, skb->data_len, skb->head, skb->data, + skb_tail_pointer(skb), skb_end_pointer(skb), + skb->csum, skb->dev ? skb->dev->name : "<NULL>"); /* check for FCOE packet type */ if (unlikely(eth_hdr(skb)->h_proto != htons(ETH_P_FCOE))) { - FC_DBG("wrong FC type frame"); + FCOE_NETDEV_DBG(dev, "Wrong FC type frame"); goto err; } @@ -901,8 +899,9 @@ int fcoe_rcv(struct sk_buff *skb, struct net_device *dev, * the first CPU now. For non-SMP systems this * will check the same CPU twice. */ - FC_DBG("CPU is online, but no receive thread ready " - "for incoming skb- using first online CPU.\n"); + FCOE_NETDEV_DBG(dev, "CPU is online, but no receive thread " + "ready for incoming skb- using first online " + "CPU.\n"); spin_unlock_bh(&fps->fcoe_rx_list.lock); cpu = first_cpu(cpu_online_map); @@ -1201,19 +1200,17 @@ int fcoe_percpu_receive_thread(void *arg) fr = fcoe_dev_from_skb(skb); lp = fr->fr_dev; if (unlikely(lp == NULL)) { - FC_DBG("invalid HBA Structure"); + FCOE_NETDEV_DBG(skb->dev, "Invalid HBA Structure"); kfree_skb(skb); continue; } - if (unlikely(debug_fcoe)) { - FC_DBG("skb_info: len:%d data_len:%d head:%p data:%p " - "tail:%p end:%p sum:%d dev:%s", - skb->len, skb->data_len, - skb->head, skb->data, skb_tail_pointer(skb), - skb_end_pointer(skb), skb->csum, - skb->dev ? skb->dev->name : "<NULL>"); - } + FCOE_NETDEV_DBG(skb->dev, "skb_info: len:%d data_len:%d " + "head:%p data:%p tail:%p end:%p sum:%d dev:%s", + skb->len, skb->data_len, + skb->head, skb->data, skb_tail_pointer(skb), + skb_end_pointer(skb), skb->csum, + skb->dev ? skb->dev->name : "<NULL>"); /* * Save source MAC address before discarding header. @@ -1233,7 +1230,7 @@ int fcoe_percpu_receive_thread(void *arg) stats = fc_lport_get_stats(lp); if (unlikely(FC_FCOE_DECAPS_VER(hp) != FC_FCOE_VER)) { if (stats->ErrorFrames < 5) - printk(KERN_WARNING "FCoE version " + printk(KERN_WARNING "fcoe: FCoE version " "mismatch: The frame has " "version %x, but the " "initiator supports version " @@ -1286,7 +1283,7 @@ int fcoe_percpu_receive_thread(void *arg) if (fr_flags(fp) & FCPHF_CRC_UNCHECKED) { if (le32_to_cpu(fr_crc(fp)) != ~crc32(~0, skb->data, fr_len)) { - if (debug_fcoe || stats->InvalidCRCCount < 5) + if (stats->InvalidCRCCount < 5) printk(KERN_WARNING "fcoe: dropping " "frame with CRC error\n"); stats->InvalidCRCCount++; @@ -1432,7 +1429,8 @@ static int fcoe_device_notification(struct notifier_block *notifier, case NETDEV_REGISTER: break; default: - FC_DBG("Unknown event %ld from netdev netlink\n", event); + FCOE_NETDEV_DBG(real_dev, "Unknown event %ld " + "from netdev netlink\n", event); } if (link_possible && !fcoe_link_ok(lp)) fcoe_ctlr_link_up(&fc->ctlr); @@ -1505,8 +1503,8 @@ static int fcoe_ethdrv_get(const struct net_device *netdev) owner = fcoe_netdev_to_module_owner(netdev); if (owner) { - printk(KERN_DEBUG "fcoe:hold driver module %s for %s\n", - module_name(owner), netdev->name); + FCOE_NETDEV_DBG(netdev, "Hold driver module %s\n", + module_name(owner)); return try_module_get(owner); } return -ENODEV; @@ -1527,8 +1525,8 @@ static int fcoe_ethdrv_put(const struct net_device *netdev) owner = fcoe_netdev_to_module_owner(netdev); if (owner) { - printk(KERN_DEBUG "fcoe:release driver module %s for %s\n", - module_name(owner), netdev->name); + FCOE_NETDEV_DBG(netdev, "Release driver module %s\n", + module_name(owner)); module_put(owner); return 0; } @@ -1559,7 +1557,7 @@ static int fcoe_destroy(const char *buffer, struct kernel_param *kp) } rc = fcoe_if_destroy(netdev); if (rc) { - printk(KERN_ERR "fcoe: fcoe_if_destroy(%s) failed\n", + printk(KERN_ERR "fcoe: Failed to destroy interface (%s)\n", netdev->name); rc = -EIO; goto out_putdev; @@ -1598,7 +1596,7 @@ static int fcoe_create(const char *buffer, struct kernel_param *kp) rc = fcoe_if_create(netdev); if (rc) { - printk(KERN_ERR "fcoe: fcoe_if_create(%s) failed\n", + printk(KERN_ERR "fcoe: Failed to create interface (%s)\n", netdev->name); fcoe_ethdrv_put(netdev); rc = -EIO; diff --git a/drivers/scsi/fcoe/fcoe.h b/drivers/scsi/fcoe/fcoe.h index a1eb8c1988b0..0d724fa0898f 100644 --- a/drivers/scsi/fcoe/fcoe.h +++ b/drivers/scsi/fcoe/fcoe.h @@ -40,6 +40,30 @@ #define FCOE_MIN_XID 0x0001 /* the min xid supported by fcoe_sw */ #define FCOE_MAX_XID 0x07ef /* the max xid supported by fcoe_sw */ +unsigned int fcoe_debug_logging; +module_param_named(debug_logging, fcoe_debug_logging, int, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(debug_logging, "a bit mask of logging levels"); + +#define FCOE_LOGGING 0x01 /* General logging, not categorized */ +#define FCOE_NETDEV_LOGGING 0x02 /* Netdevice logging */ + +#define FCOE_CHECK_LOGGING(LEVEL, CMD) \ +do { \ + if (unlikely(fcoe_debug_logging & LEVEL)) \ + do { \ + CMD; \ + } while (0); \ +} while (0); + +#define FCOE_DBG(fmt, args...) \ + FCOE_CHECK_LOGGING(FCOE_LOGGING, \ + printk(KERN_INFO "fcoe: " fmt, ##args);) + +#define FCOE_NETDEV_DBG(netdev, fmt, args...) \ + FCOE_CHECK_LOGGING(FCOE_NETDEV_LOGGING, \ + printk(KERN_INFO "fcoe: %s" fmt, \ + netdev->name, ##args);) + /* * this percpu struct for fcoe */ diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c index 2f5bc7fd3fa9..f544340d318b 100644 --- a/drivers/scsi/fcoe/libfcoe.c +++ b/drivers/scsi/fcoe/libfcoe.c @@ -56,15 +56,28 @@ static void fcoe_ctlr_recv_work(struct work_struct *); static u8 fcoe_all_fcfs[ETH_ALEN] = FIP_ALL_FCF_MACS; -static u32 fcoe_ctlr_debug; /* 1 for basic, 2 for noisy debug */ +unsigned int libfcoe_debug_logging; +module_param_named(debug_logging, libfcoe_debug_logging, int, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(debug_logging, "a bit mask of logging levels"); -#define FIP_DBG_LVL(level, fmt, args...) \ +#define LIBFCOE_LOGGING 0x01 /* General logging, not categorized */ +#define LIBFCOE_FIP_LOGGING 0x02 /* FIP logging */ + +#define LIBFCOE_CHECK_LOGGING(LEVEL, CMD) \ +do { \ + if (unlikely(libfcoe_debug_logging & LEVEL)) \ do { \ - if (fcoe_ctlr_debug >= (level)) \ - FC_DBG(fmt, ##args); \ - } while (0) + CMD; \ + } while (0); \ +} while (0); + +#define LIBFCOE_DBG(fmt, args...) \ + LIBFCOE_CHECK_LOGGING(LIBFCOE_LOGGING, \ + printk(KERN_INFO "libfcoe: " fmt, ##args);) -#define FIP_DBG(fmt, args...) FIP_DBG_LVL(1, fmt, ##args) +#define LIBFCOE_FIP_DBG(fmt, args...) \ + LIBFCOE_CHECK_LOGGING(LIBFCOE_FIP_LOGGING, \ + printk(KERN_INFO "fip: " fmt, ##args);) /* * Return non-zero if FCF fcoe_size has been validated. @@ -243,7 +256,7 @@ void fcoe_ctlr_link_up(struct fcoe_ctlr *fip) fip->last_link = 1; fip->link = 1; spin_unlock_bh(&fip->lock); - FIP_DBG("%s", "setting AUTO mode.\n"); + LIBFCOE_FIP_DBG("%s", "setting AUTO mode.\n"); fc_linkup(fip->lp); fcoe_ctlr_solicit(fip, NULL); } else @@ -614,7 +627,8 @@ static int fcoe_ctlr_parse_adv(struct sk_buff *skb, struct fcoe_fcf *fcf) ((struct fip_mac_desc *)desc)->fd_mac, ETH_ALEN); if (!is_valid_ether_addr(fcf->fcf_mac)) { - FIP_DBG("invalid MAC addr in FIP adv\n"); + LIBFCOE_FIP_DBG("Invalid MAC address " + "in FIP adv\n"); return -EINVAL; } break; @@ -647,8 +661,8 @@ static int fcoe_ctlr_parse_adv(struct sk_buff *skb, struct fcoe_fcf *fcf) case FIP_DT_LOGO: case FIP_DT_ELP: default: - FIP_DBG("unexpected descriptor type %x in FIP adv\n", - desc->fip_dtype); + LIBFCOE_FIP_DBG("unexpected descriptor type %x " + "in FIP adv\n", desc->fip_dtype); /* standard says ignore unknown descriptors >= 128 */ if (desc->fip_dtype < FIP_DT_VENDOR_BASE) return -EINVAL; @@ -664,8 +678,8 @@ static int fcoe_ctlr_parse_adv(struct sk_buff *skb, struct fcoe_fcf *fcf) return 0; len_err: - FIP_DBG("FIP length error in descriptor type %x len %zu\n", - desc->fip_dtype, dlen); + LIBFCOE_FIP_DBG("FIP length error in descriptor type %x len %zu\n", + desc->fip_dtype, dlen); return -EINVAL; } @@ -728,9 +742,10 @@ static void fcoe_ctlr_recv_adv(struct fcoe_ctlr *fip, struct sk_buff *skb) } mtu_valid = fcoe_ctlr_mtu_valid(fcf); fcf->time = jiffies; - FIP_DBG_LVL(found ? 2 : 1, "%s FCF for fab %llx map %x val %d\n", - found ? "old" : "new", - fcf->fabric_name, fcf->fc_map, mtu_valid); + if (!found) { + LIBFCOE_FIP_DBG("New FCF for fab %llx map %x val %d\n", + fcf->fabric_name, fcf->fc_map, mtu_valid); + } /* * If this advertisement is not solicited and our max receive size @@ -807,7 +822,8 @@ static void fcoe_ctlr_recv_els(struct fcoe_ctlr *fip, struct sk_buff *skb) ((struct fip_mac_desc *)desc)->fd_mac, ETH_ALEN); if (!is_valid_ether_addr(granted_mac)) { - FIP_DBG("invalid MAC addrs in FIP ELS\n"); + LIBFCOE_FIP_DBG("Invalid MAC address " + "in FIP ELS\n"); goto drop; } break; @@ -825,8 +841,8 @@ static void fcoe_ctlr_recv_els(struct fcoe_ctlr *fip, struct sk_buff *skb) els_dtype = desc->fip_dtype; break; default: - FIP_DBG("unexpected descriptor type %x " - "in FIP adv\n", desc->fip_dtype); + LIBFCOE_FIP_DBG("unexpected descriptor type %x " + "in FIP adv\n", desc->fip_dtype); /* standard says ignore unknown descriptors >= 128 */ if (desc->fip_dtype < FIP_DT_VENDOR_BASE) goto drop; @@ -867,8 +883,8 @@ static void fcoe_ctlr_recv_els(struct fcoe_ctlr *fip, struct sk_buff *skb) return; len_err: - FIP_DBG("FIP length error in descriptor type %x len %zu\n", - desc->fip_dtype, dlen); + LIBFCOE_FIP_DBG("FIP length error in descriptor type %x len %zu\n", + desc->fip_dtype, dlen); drop: kfree_skb(skb); } @@ -894,7 +910,7 @@ static void fcoe_ctlr_recv_clr_vlink(struct fcoe_ctlr *fip, struct fc_lport *lp = fip->lp; u32 desc_mask; - FIP_DBG("Clear Virtual Link received\n"); + LIBFCOE_FIP_DBG("Clear Virtual Link received\n"); if (!fcf) return; if (!fcf || !fc_host_port_id(lp->host)) @@ -952,9 +968,9 @@ static void fcoe_ctlr_recv_clr_vlink(struct fcoe_ctlr *fip, * reset only if all required descriptors were present and valid. */ if (desc_mask) { - FIP_DBG("missing descriptors mask %x\n", desc_mask); + LIBFCOE_FIP_DBG("missing descriptors mask %x\n", desc_mask); } else { - FIP_DBG("performing Clear Virtual Link\n"); + LIBFCOE_FIP_DBG("performing Clear Virtual Link\n"); fcoe_ctlr_reset(fip, FIP_ST_ENABLED); } } @@ -1002,10 +1018,6 @@ static int fcoe_ctlr_recv_handler(struct fcoe_ctlr *fip, struct sk_buff *skb) op = ntohs(fiph->fip_op); sub = fiph->fip_subcode; - FIP_DBG_LVL(2, "ver %x op %x/%x dl %x fl %x\n", - FIP_VER_DECAPS(fiph->fip_ver), op, sub, - ntohs(fiph->fip_dl_len), ntohs(fiph->fip_flags)); - if (FIP_VER_DECAPS(fiph->fip_ver) != FIP_VER) goto drop; if (ntohs(fiph->fip_dl_len) * FIP_BPW + sizeof(*fiph) > skb->len) @@ -1017,7 +1029,7 @@ static int fcoe_ctlr_recv_handler(struct fcoe_ctlr *fip, struct sk_buff *skb) fip->map_dest = 0; fip->state = FIP_ST_ENABLED; state = FIP_ST_ENABLED; - FIP_DBG("using FIP mode\n"); + LIBFCOE_FIP_DBG("Using FIP mode\n"); } spin_unlock_bh(&fip->lock); if (state != FIP_ST_ENABLED) @@ -1052,14 +1064,15 @@ static void fcoe_ctlr_select(struct fcoe_ctlr *fip) struct fcoe_fcf *best = NULL; list_for_each_entry(fcf, &fip->fcfs, list) { - FIP_DBG("consider FCF for fab %llx VFID %d map %x val %d\n", - fcf->fabric_name, fcf->vfid, - fcf->fc_map, fcoe_ctlr_mtu_valid(fcf)); + LIBFCOE_FIP_DBG("consider FCF for fab %llx VFID %d map %x " + "val %d\n", fcf->fabric_name, fcf->vfid, + fcf->fc_map, fcoe_ctlr_mtu_valid(fcf)); if (!fcoe_ctlr_fcf_usable(fcf)) { - FIP_DBG("FCF for fab %llx map %x %svalid %savailable\n", - fcf->fabric_name, fcf->fc_map, - (fcf->flags & FIP_FL_SOL) ? "" : "in", - (fcf->flags & FIP_FL_AVAIL) ? "" : "un"); + LIBFCOE_FIP_DBG("FCF for fab %llx map %x %svalid " + "%savailable\n", fcf->fabric_name, + fcf->fc_map, (fcf->flags & FIP_FL_SOL) + ? "" : "in", (fcf->flags & FIP_FL_AVAIL) + ? "" : "un"); continue; } if (!best) { @@ -1069,7 +1082,8 @@ static void fcoe_ctlr_select(struct fcoe_ctlr *fip) if (fcf->fabric_name != best->fabric_name || fcf->vfid != best->vfid || fcf->fc_map != best->fc_map) { - FIP_DBG("conflicting fabric, VFID, or FC-MAP\n"); + LIBFCOE_FIP_DBG("Conflicting fabric, VFID, " + "or FC-MAP\n"); return; } if (fcf->pri < best->pri) @@ -1113,7 +1127,7 @@ static void fcoe_ctlr_timeout(unsigned long arg) if (sel != fcf) { fcf = sel; /* the old FCF may have been freed */ if (sel) { - printk(KERN_INFO "host%d: FIP selected " + printk(KERN_INFO "libfcoe: host%d: FIP selected " "Fibre-Channel Forwarder MAC %s\n", fip->lp->host->host_no, print_mac(buf, sel->fcf_mac)); @@ -1123,7 +1137,7 @@ static void fcoe_ctlr_timeout(unsigned long arg) fip->ctlr_ka_time = jiffies + sel->fka_period; fip->link = 1; } else { - printk(KERN_NOTICE "host%d: " + printk(KERN_NOTICE "libfcoe: host%d: " "FIP Fibre-Channel Forwarder timed out. " "Starting FCF discovery.\n", fip->lp->host->host_no); @@ -1247,7 +1261,7 @@ int fcoe_ctlr_recv_flogi(struct fcoe_ctlr *fip, struct fc_frame *fp, u8 *sa) return -EINVAL; } fip->state = FIP_ST_NON_FIP; - FIP_DBG("received FLOGI LS_ACC using non-FIP mode\n"); + LIBFCOE_FIP_DBG("received FLOGI LS_ACC using non-FIP mode\n"); /* * FLOGI accepted. @@ -1276,7 +1290,7 @@ int fcoe_ctlr_recv_flogi(struct fcoe_ctlr *fip, struct fc_frame *fp, u8 *sa) memcpy(fip->dest_addr, sa, ETH_ALEN); fip->map_dest = 0; if (fip->state == FIP_ST_NON_FIP) - FIP_DBG("received FLOGI REQ, " + LIBFCOE_FIP_DBG("received FLOGI REQ, " "using non-FIP mode\n"); fip->state = FIP_ST_NON_FIP; } diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c index a84072865fc2..2c266c01dc5a 100644 --- a/drivers/scsi/fnic/fnic_main.c +++ b/drivers/scsi/fnic/fnic_main.c @@ -473,16 +473,16 @@ static int __devinit fnic_probe(struct pci_dev *pdev, * limitation for the device. Try 40-bit first, and * fail to 32-bit. */ - err = pci_set_dma_mask(pdev, DMA_40BIT_MASK); + err = pci_set_dma_mask(pdev, DMA_BIT_MASK(40)); if (err) { - err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); if (err) { shost_printk(KERN_ERR, fnic->lport->host, "No usable DMA configuration " "aborting\n"); goto err_out_release_regions; } - err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); + err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); if (err) { shost_printk(KERN_ERR, fnic->lport->host, "Unable to obtain 32-bit DMA " @@ -490,7 +490,7 @@ static int __devinit fnic_probe(struct pci_dev *pdev, goto err_out_release_regions; } } else { - err = pci_set_consistent_dma_mask(pdev, DMA_40BIT_MASK); + err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(40)); if (err) { shost_printk(KERN_ERR, fnic->lport->host, "Unable to obtain 40-bit DMA " diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c index eabf36502856..bfc996971b81 100644 --- a/drivers/scsi/fnic/fnic_scsi.c +++ b/drivers/scsi/fnic/fnic_scsi.c @@ -245,7 +245,7 @@ static inline int fnic_queue_wq_copy_desc(struct fnic *fnic, struct vnic_wq_copy *wq, struct fnic_io_req *io_req, struct scsi_cmnd *sc, - u32 sg_count) + int sg_count) { struct scatterlist *sg; struct fc_rport *rport = starget_to_rport(scsi_target(sc->device)); @@ -260,9 +260,6 @@ static inline int fnic_queue_wq_copy_desc(struct fnic *fnic, char msg[2]; if (sg_count) { - BUG_ON(sg_count < 0); - BUG_ON(sg_count > FNIC_MAX_SG_DESC_CNT); - /* For each SGE, create a device desc entry */ desc = io_req->sgl_list; for_each_sg(scsi_sglist(sc), sg, sg_count, i) { @@ -344,7 +341,7 @@ int fnic_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) struct fnic *fnic; struct vnic_wq_copy *wq; int ret; - u32 sg_count; + int sg_count; unsigned long flags; unsigned long ptr; diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index 89d41a424b33..5fd2da494d08 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -40,7 +40,7 @@ #include "scsi_logging.h" -static int scsi_host_next_hn; /* host_no for next new host */ +static atomic_t scsi_host_next_hn; /* host_no for next new host */ static void scsi_host_cls_release(struct device *dev) @@ -333,7 +333,11 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize) mutex_init(&shost->scan_mutex); - shost->host_no = scsi_host_next_hn++; /* XXX(hch): still racy */ + /* + * subtract one because we increment first then return, but we need to + * know what the next host number was before increment + */ + shost->host_no = atomic_inc_return(&scsi_host_next_hn) - 1; shost->dma_channel = 0xff; /* These three are default values which can be overridden */ diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index b4b805e8d7db..166d96450a0e 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -2254,10 +2254,13 @@ static void ibmvfc_handle_async(struct ibmvfc_async_crq *crq, continue; if (crq->node_name && tgt->ids.node_name != crq->node_name) continue; - ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_DEL_RPORT); + if (tgt->need_login && crq->event == IBMVFC_AE_ELS_LOGO) + tgt->logo_rcvd = 1; + if (!tgt->need_login || crq->event == IBMVFC_AE_ELS_PLOGI) { + ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_DEL_RPORT); + ibmvfc_reinit_host(vhost); + } } - - ibmvfc_reinit_host(vhost); break; case IBMVFC_AE_LINK_DOWN: case IBMVFC_AE_ADAPTER_FAILED: @@ -2783,27 +2786,27 @@ static void ibmvfc_tasklet(void *data) spin_lock_irqsave(vhost->host->host_lock, flags); while (!done) { - /* Pull all the valid messages off the CRQ */ - while ((crq = ibmvfc_next_crq(vhost)) != NULL) { - ibmvfc_handle_crq(crq, vhost); - crq->valid = 0; - } - /* Pull all the valid messages off the async CRQ */ while ((async = ibmvfc_next_async_crq(vhost)) != NULL) { ibmvfc_handle_async(async, vhost); async->valid = 0; } - vio_enable_interrupts(vdev); - if ((crq = ibmvfc_next_crq(vhost)) != NULL) { - vio_disable_interrupts(vdev); + /* Pull all the valid messages off the CRQ */ + while ((crq = ibmvfc_next_crq(vhost)) != NULL) { ibmvfc_handle_crq(crq, vhost); crq->valid = 0; - } else if ((async = ibmvfc_next_async_crq(vhost)) != NULL) { + } + + vio_enable_interrupts(vdev); + if ((async = ibmvfc_next_async_crq(vhost)) != NULL) { vio_disable_interrupts(vdev); ibmvfc_handle_async(async, vhost); async->valid = 0; + } else if ((crq = ibmvfc_next_crq(vhost)) != NULL) { + vio_disable_interrupts(vdev); + ibmvfc_handle_crq(crq, vhost); + crq->valid = 0; } else done = 1; } @@ -2927,7 +2930,11 @@ static void ibmvfc_tgt_prli_done(struct ibmvfc_event *evt) break; case IBMVFC_MAD_FAILED: default: - if (ibmvfc_retry_cmd(rsp->status, rsp->error)) + if ((rsp->status & IBMVFC_VIOS_FAILURE) && rsp->error == IBMVFC_PLOGI_REQUIRED) + level += ibmvfc_retry_tgt_init(tgt, ibmvfc_tgt_send_plogi); + else if (tgt->logo_rcvd) + level += ibmvfc_retry_tgt_init(tgt, ibmvfc_tgt_send_plogi); + else if (ibmvfc_retry_cmd(rsp->status, rsp->error)) level += ibmvfc_retry_tgt_init(tgt, ibmvfc_tgt_send_prli); else ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_DEL_RPORT); @@ -3054,6 +3061,7 @@ static void ibmvfc_tgt_send_plogi(struct ibmvfc_target *tgt) return; kref_get(&tgt->kref); + tgt->logo_rcvd = 0; evt = ibmvfc_get_event(vhost); vhost->discovery_threads++; ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_INIT_WAIT); diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h index c2668d7d67f5..007fa1c9ef14 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.h +++ b/drivers/scsi/ibmvscsi/ibmvfc.h @@ -605,6 +605,7 @@ struct ibmvfc_target { int need_login; int add_rport; int init_retries; + int logo_rcvd; u32 cancel_key; struct ibmvfc_service_parms service_parms; struct ibmvfc_service_parms service_parms_change; diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index 869a11bdccbd..9928704e235f 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -1095,9 +1095,14 @@ static void adapter_info_rsp(struct srp_event_struct *evt_struct) MAX_INDIRECT_BUFS); hostdata->host->sg_tablesize = MAX_INDIRECT_BUFS; } + + if (hostdata->madapter_info.os_type == 3) { + enable_fast_fail(hostdata); + return; + } } - enable_fast_fail(hostdata); + send_srp_login(hostdata); } /** diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 0f8bc772b112..5f045505a1f4 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -131,13 +131,13 @@ static const struct ipr_chip_cfg_t ipr_chip_cfg[] = { }; static const struct ipr_chip_t ipr_chip[] = { - { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, &ipr_chip_cfg[0] }, - { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, &ipr_chip_cfg[0] }, - { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, &ipr_chip_cfg[0] }, - { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, &ipr_chip_cfg[0] }, - { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, &ipr_chip_cfg[0] }, - { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, &ipr_chip_cfg[1] }, - { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, &ipr_chip_cfg[1] } + { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, IPR_USE_LSI, &ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, IPR_USE_LSI, &ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, IPR_USE_LSI, &ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, IPR_USE_LSI, &ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, IPR_USE_MSI, &ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, IPR_USE_LSI, &ipr_chip_cfg[1] }, + { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, IPR_USE_LSI, &ipr_chip_cfg[1] } }; static int ipr_max_bus_speeds [] = { @@ -7367,6 +7367,7 @@ static void __devinit ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg, INIT_LIST_HEAD(&ioa_cfg->used_res_q); INIT_WORK(&ioa_cfg->work_q, ipr_worker_thread); init_waitqueue_head(&ioa_cfg->reset_wait_q); + init_waitqueue_head(&ioa_cfg->msi_wait_q); ioa_cfg->sdt_state = INACTIVE; if (ipr_enable_cache) ioa_cfg->cache_state = CACHE_ENABLED; @@ -7398,25 +7399,108 @@ static void __devinit ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg, } /** - * ipr_get_chip_cfg - Find adapter chip configuration + * ipr_get_chip_info - Find adapter chip information * @dev_id: PCI device id struct * * Return value: - * ptr to chip config on success / NULL on failure + * ptr to chip information on success / NULL on failure **/ -static const struct ipr_chip_cfg_t * __devinit -ipr_get_chip_cfg(const struct pci_device_id *dev_id) +static const struct ipr_chip_t * __devinit +ipr_get_chip_info(const struct pci_device_id *dev_id) { int i; for (i = 0; i < ARRAY_SIZE(ipr_chip); i++) if (ipr_chip[i].vendor == dev_id->vendor && ipr_chip[i].device == dev_id->device) - return ipr_chip[i].cfg; + return &ipr_chip[i]; return NULL; } /** + * ipr_test_intr - Handle the interrupt generated in ipr_test_msi(). + * @pdev: PCI device struct + * + * Description: Simply set the msi_received flag to 1 indicating that + * Message Signaled Interrupts are supported. + * + * Return value: + * 0 on success / non-zero on failure + **/ +static irqreturn_t __devinit ipr_test_intr(int irq, void *devp) +{ + struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)devp; + unsigned long lock_flags = 0; + irqreturn_t rc = IRQ_HANDLED; + + spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + + ioa_cfg->msi_received = 1; + wake_up(&ioa_cfg->msi_wait_q); + + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + return rc; +} + +/** + * ipr_test_msi - Test for Message Signaled Interrupt (MSI) support. + * @pdev: PCI device struct + * + * Description: The return value from pci_enable_msi() can not always be + * trusted. This routine sets up and initiates a test interrupt to determine + * if the interrupt is received via the ipr_test_intr() service routine. + * If the tests fails, the driver will fall back to LSI. + * + * Return value: + * 0 on success / non-zero on failure + **/ +static int __devinit ipr_test_msi(struct ipr_ioa_cfg *ioa_cfg, + struct pci_dev *pdev) +{ + int rc; + volatile u32 int_reg; + unsigned long lock_flags = 0; + + ENTER; + + spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + init_waitqueue_head(&ioa_cfg->msi_wait_q); + ioa_cfg->msi_received = 0; + ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); + writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.clr_interrupt_mask_reg); + int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + + rc = request_irq(pdev->irq, ipr_test_intr, 0, IPR_NAME, ioa_cfg); + if (rc) { + dev_err(&pdev->dev, "Can not assign irq %d\n", pdev->irq); + return rc; + } else if (ipr_debug) + dev_info(&pdev->dev, "IRQ assigned: %d\n", pdev->irq); + + writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.sense_interrupt_reg); + int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); + wait_event_timeout(ioa_cfg->msi_wait_q, ioa_cfg->msi_received, HZ); + ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); + + spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + if (!ioa_cfg->msi_received) { + /* MSI test failed */ + dev_info(&pdev->dev, "MSI test failed. Falling back to LSI.\n"); + rc = -EOPNOTSUPP; + } else if (ipr_debug) + dev_info(&pdev->dev, "MSI test succeeded.\n"); + + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + + free_irq(pdev->irq, ioa_cfg); + + LEAVE; + + return rc; +} + +/** * ipr_probe_ioa - Allocates memory and does first stage of initialization * @pdev: PCI device struct * @dev_id: PCI device id struct @@ -7441,11 +7525,6 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev, goto out; } - if (!(rc = pci_enable_msi(pdev))) - dev_info(&pdev->dev, "MSI enabled\n"); - else if (ipr_debug) - dev_info(&pdev->dev, "Cannot enable MSI\n"); - dev_info(&pdev->dev, "Found IOA with IRQ: %d\n", pdev->irq); host = scsi_host_alloc(&driver_template, sizeof(*ioa_cfg)); @@ -7461,14 +7540,16 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev, ata_host_init(&ioa_cfg->ata_host, &pdev->dev, sata_port_info.flags, &ipr_sata_ops); - ioa_cfg->chip_cfg = ipr_get_chip_cfg(dev_id); + ioa_cfg->ipr_chip = ipr_get_chip_info(dev_id); - if (!ioa_cfg->chip_cfg) { + if (!ioa_cfg->ipr_chip) { dev_err(&pdev->dev, "Unknown adapter chipset 0x%04X 0x%04X\n", dev_id->vendor, dev_id->device); goto out_scsi_host_put; } + ioa_cfg->chip_cfg = ioa_cfg->ipr_chip->cfg; + if (ipr_transop_timeout) ioa_cfg->transop_timeout = ipr_transop_timeout; else if (dev_id->driver_data & IPR_USE_LONG_TRANSOP_TIMEOUT) @@ -7519,6 +7600,18 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev, goto cleanup_nomem; } + /* Enable MSI style interrupts if they are supported. */ + if (ioa_cfg->ipr_chip->intr_type == IPR_USE_MSI && !pci_enable_msi(pdev)) { + rc = ipr_test_msi(ioa_cfg, pdev); + if (rc == -EOPNOTSUPP) + pci_disable_msi(pdev); + else if (rc) + goto out_msi_disable; + else + dev_info(&pdev->dev, "MSI enabled with IRQ: %d\n", pdev->irq); + } else if (ipr_debug) + dev_info(&pdev->dev, "Cannot enable MSI.\n"); + /* Save away PCI config space for use following IOA reset */ rc = pci_save_state(pdev); @@ -7556,7 +7649,9 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev, ioa_cfg->ioa_unit_checked = 1; ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); - rc = request_irq(pdev->irq, ipr_isr, IRQF_SHARED, IPR_NAME, ioa_cfg); + rc = request_irq(pdev->irq, ipr_isr, + ioa_cfg->msi_received ? 0 : IRQF_SHARED, + IPR_NAME, ioa_cfg); if (rc) { dev_err(&pdev->dev, "Couldn't register IRQ %d! rc=%d\n", @@ -7583,12 +7678,13 @@ cleanup_nolog: ipr_free_mem(ioa_cfg); cleanup_nomem: iounmap(ipr_regs); +out_msi_disable: + pci_disable_msi(pdev); out_release_regions: pci_release_regions(pdev); out_scsi_host_put: scsi_host_put(host); out_disable: - pci_disable_msi(pdev); pci_disable_device(pdev); goto out; } diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index 79a3ae4fb2c7..4b63dd6b1c81 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -37,8 +37,8 @@ /* * Literals */ -#define IPR_DRIVER_VERSION "2.4.2" -#define IPR_DRIVER_DATE "(January 21, 2009)" +#define IPR_DRIVER_VERSION "2.4.3" +#define IPR_DRIVER_DATE "(June 10, 2009)" /* * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding @@ -1025,6 +1025,9 @@ struct ipr_chip_cfg_t { struct ipr_chip_t { u16 vendor; u16 device; + u16 intr_type; +#define IPR_USE_LSI 0x00 +#define IPR_USE_MSI 0x01 const struct ipr_chip_cfg_t *cfg; }; @@ -1094,6 +1097,7 @@ struct ipr_ioa_cfg { u8 needs_hard_reset:1; u8 dual_raid:1; u8 needs_warm_reset:1; + u8 msi_received:1; u8 revid; @@ -1159,6 +1163,7 @@ struct ipr_ioa_cfg { unsigned int transop_timeout; const struct ipr_chip_cfg_t *chip_cfg; + const struct ipr_chip_t *ipr_chip; void __iomem *hdw_dma_regs; /* iomapped PCI memory space */ unsigned long hdw_dma_regs_pci; /* raw PCI memory space */ @@ -1179,6 +1184,7 @@ struct ipr_ioa_cfg { struct work_struct work_q; wait_queue_head_t reset_wait_q; + wait_queue_head_t msi_wait_q; struct ipr_dump *dump; enum ipr_sdt_state sdt_state; diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index b7c092d63bbe..518dbd91df85 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -253,8 +253,6 @@ static int iscsi_sw_tcp_xmit_segment(struct iscsi_tcp_conn *tcp_conn, if (r < 0) { iscsi_tcp_segment_unmap(segment); - if (copied || r == -EAGAIN) - break; return r; } copied += r; @@ -275,11 +273,17 @@ static int iscsi_sw_tcp_xmit(struct iscsi_conn *conn) while (1) { rc = iscsi_sw_tcp_xmit_segment(tcp_conn, segment); - if (rc < 0) { + /* + * We may not have been able to send data because the conn + * is getting stopped. libiscsi will know so propogate err + * for it to do the right thing. + */ + if (rc == -EAGAIN) + return rc; + else if (rc < 0) { rc = ISCSI_ERR_XMIT_FAILED; goto error; - } - if (rc == 0) + } else if (rc == 0) break; consumed += rc; diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c index 4c880656990b..6fabf66972b9 100644 --- a/drivers/scsi/libfc/fc_disc.c +++ b/drivers/scsi/libfc/fc_disc.c @@ -45,14 +45,6 @@ #define FC_DISC_DELAY 3 -static int fc_disc_debug; - -#define FC_DEBUG_DISC(fmt...) \ - do { \ - if (fc_disc_debug) \ - FC_DBG(fmt); \ - } while (0) - static void fc_disc_gpn_ft_req(struct fc_disc *); static void fc_disc_gpn_ft_resp(struct fc_seq *, struct fc_frame *, void *); static int fc_disc_new_target(struct fc_disc *, struct fc_rport *, @@ -137,8 +129,8 @@ static void fc_disc_rport_callback(struct fc_lport *lport, struct fc_rport_libfc_priv *rdata = rport->dd_data; struct fc_disc *disc = &lport->disc; - FC_DEBUG_DISC("Received a %d event for port (%6x)\n", event, - rport->port_id); + FC_DISC_DBG(disc, "Received a %d event for port (%6x)\n", event, + rport->port_id); switch (event) { case RPORT_EV_CREATED: @@ -191,8 +183,7 @@ static void fc_disc_recv_rscn_req(struct fc_seq *sp, struct fc_frame *fp, lport = disc->lport; - FC_DEBUG_DISC("Received an RSCN event on port (%6x)\n", - fc_host_port_id(lport->host)); + FC_DISC_DBG(disc, "Received an RSCN event\n"); /* make sure the frame contains an RSCN message */ rp = fc_frame_payload_get(fp, sizeof(*rp)); @@ -225,8 +216,8 @@ static void fc_disc_recv_rscn_req(struct fc_seq *sp, struct fc_frame *fp, */ switch (fmt) { case ELS_ADDR_FMT_PORT: - FC_DEBUG_DISC("Port address format for port (%6x)\n", - ntoh24(pp->rscn_fid)); + FC_DISC_DBG(disc, "Port address format for port " + "(%6x)\n", ntoh24(pp->rscn_fid)); dp = kzalloc(sizeof(*dp), GFP_KERNEL); if (!dp) { redisc = 1; @@ -243,19 +234,19 @@ static void fc_disc_recv_rscn_req(struct fc_seq *sp, struct fc_frame *fp, case ELS_ADDR_FMT_DOM: case ELS_ADDR_FMT_FAB: default: - FC_DEBUG_DISC("Address format is (%d)\n", fmt); + FC_DISC_DBG(disc, "Address format is (%d)\n", fmt); redisc = 1; break; } } lport->tt.seq_els_rsp_send(sp, ELS_LS_ACC, NULL); if (redisc) { - FC_DEBUG_DISC("RSCN received: rediscovering\n"); + FC_DISC_DBG(disc, "RSCN received: rediscovering\n"); fc_disc_restart(disc); } else { - FC_DEBUG_DISC("RSCN received: not rediscovering. " - "redisc %d state %d in_prog %d\n", - redisc, lport->state, disc->pending); + FC_DISC_DBG(disc, "RSCN received: not rediscovering. " + "redisc %d state %d in_prog %d\n", + redisc, lport->state, disc->pending); list_for_each_entry_safe(dp, next, &disc_ports, peers) { list_del(&dp->peers); rport = lport->tt.rport_lookup(lport, dp->ids.port_id); @@ -270,7 +261,7 @@ static void fc_disc_recv_rscn_req(struct fc_seq *sp, struct fc_frame *fp, fc_frame_free(fp); return; reject: - FC_DEBUG_DISC("Received a bad RSCN frame\n"); + FC_DISC_DBG(disc, "Received a bad RSCN frame\n"); rjt_data.fp = NULL; rjt_data.reason = ELS_RJT_LOGIC; rjt_data.explan = ELS_EXPL_NONE; @@ -302,7 +293,8 @@ static void fc_disc_recv_req(struct fc_seq *sp, struct fc_frame *fp, mutex_unlock(&disc->disc_mutex); break; default: - FC_DBG("Received an unsupported request. opcode (%x)\n", op); + FC_DISC_DBG(disc, "Received an unsupported request, " + "the opcode is (%x)\n", op); break; } } @@ -320,12 +312,10 @@ static void fc_disc_restart(struct fc_disc *disc) struct fc_rport_libfc_priv *rdata, *next; struct fc_lport *lport = disc->lport; - FC_DEBUG_DISC("Restarting discovery for port (%6x)\n", - fc_host_port_id(lport->host)); + FC_DISC_DBG(disc, "Restarting discovery\n"); list_for_each_entry_safe(rdata, next, &disc->rports, peers) { rport = PRIV_TO_RPORT(rdata); - FC_DEBUG_DISC("list_del(%6x)\n", rport->port_id); list_del(&rdata->peers); lport->tt.rport_logoff(rport); } @@ -485,8 +475,7 @@ static void fc_disc_done(struct fc_disc *disc) struct fc_lport *lport = disc->lport; enum fc_disc_event event; - FC_DEBUG_DISC("Discovery complete for port (%6x)\n", - fc_host_port_id(lport->host)); + FC_DISC_DBG(disc, "Discovery complete\n"); event = disc->event; disc->event = DISC_EV_NONE; @@ -510,10 +499,10 @@ static void fc_disc_error(struct fc_disc *disc, struct fc_frame *fp) { struct fc_lport *lport = disc->lport; unsigned long delay = 0; - if (fc_disc_debug) - FC_DBG("Error %ld, retries %d/%d\n", - PTR_ERR(fp), disc->retry_count, - FC_DISC_RETRY_LIMIT); + + FC_DISC_DBG(disc, "Error %ld, retries %d/%d\n", + PTR_ERR(fp), disc->retry_count, + FC_DISC_RETRY_LIMIT); if (!fp || PTR_ERR(fp) == -FC_EX_TIMEOUT) { /* @@ -649,9 +638,9 @@ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len) &disc->rogue_rports); lport->tt.rport_login(rport); } else - FC_DBG("Failed to allocate memory for " - "the newly discovered port (%6x)\n", - dp.ids.port_id); + printk(KERN_WARNING "libfc: Failed to allocate " + "memory for the newly discovered port " + "(%6x)\n", dp.ids.port_id); } if (np->fp_flags & FC_NS_FID_LAST) { @@ -671,9 +660,8 @@ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len) */ if (error == 0 && len > 0 && len < sizeof(*np)) { if (np != &disc->partial_buf) { - FC_DEBUG_DISC("Partial buffer remains " - "for discovery by (%6x)\n", - fc_host_port_id(lport->host)); + FC_DISC_DBG(disc, "Partial buffer remains " + "for discovery\n"); memcpy(&disc->partial_buf, np, len); } disc->buf_len = (unsigned char) len; @@ -721,8 +709,7 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp, int error; mutex_lock(&disc->disc_mutex); - FC_DEBUG_DISC("Received a GPN_FT response on port (%6x)\n", - fc_host_port_id(disc->lport->host)); + FC_DISC_DBG(disc, "Received a GPN_FT response\n"); if (IS_ERR(fp)) { fc_disc_error(disc, fp); @@ -738,30 +725,30 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp, disc->seq_count == 0) { cp = fc_frame_payload_get(fp, sizeof(*cp)); if (!cp) { - FC_DBG("GPN_FT response too short, len %d\n", - fr_len(fp)); + FC_DISC_DBG(disc, "GPN_FT response too short, len %d\n", + fr_len(fp)); } else if (ntohs(cp->ct_cmd) == FC_FS_ACC) { /* Accepted, parse the response. */ buf = cp + 1; len -= sizeof(*cp); } else if (ntohs(cp->ct_cmd) == FC_FS_RJT) { - FC_DBG("GPN_FT rejected reason %x exp %x " - "(check zoning)\n", cp->ct_reason, - cp->ct_explan); + FC_DISC_DBG(disc, "GPN_FT rejected reason %x exp %x " + "(check zoning)\n", cp->ct_reason, + cp->ct_explan); disc->event = DISC_EV_FAILED; fc_disc_done(disc); } else { - FC_DBG("GPN_FT unexpected response code %x\n", - ntohs(cp->ct_cmd)); + FC_DISC_DBG(disc, "GPN_FT unexpected response code " + "%x\n", ntohs(cp->ct_cmd)); } } else if (fr_sof(fp) == FC_SOF_N3 && seq_cnt == disc->seq_count) { buf = fh + 1; } else { - FC_DBG("GPN_FT unexpected frame - out of sequence? " - "seq_cnt %x expected %x sof %x eof %x\n", - seq_cnt, disc->seq_count, fr_sof(fp), fr_eof(fp)); + FC_DISC_DBG(disc, "GPN_FT unexpected frame - out of sequence? " + "seq_cnt %x expected %x sof %x eof %x\n", + seq_cnt, disc->seq_count, fr_sof(fp), fr_eof(fp)); } if (buf) { error = fc_disc_gpn_ft_parse(disc, buf, len); diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c index 7af9bceb8aa9..145ab9ba55ea 100644 --- a/drivers/scsi/libfc/fc_exch.c +++ b/drivers/scsi/libfc/fc_exch.c @@ -32,18 +32,7 @@ #include <scsi/libfc.h> #include <scsi/fc_encode.h> -/* - * fc_exch_debug can be set in debugger or at compile time to get more logs. - */ -static int fc_exch_debug; - -#define FC_DEBUG_EXCH(fmt...) \ - do { \ - if (fc_exch_debug) \ - FC_DBG(fmt); \ - } while (0) - -static struct kmem_cache *fc_em_cachep; /* cache for exchanges */ +static struct kmem_cache *fc_em_cachep; /* cache for exchanges */ /* * Structure and function definitions for managing Fibre Channel Exchanges @@ -333,8 +322,8 @@ static inline void fc_exch_timer_set_locked(struct fc_exch *ep, if (ep->state & (FC_EX_RST_CLEANUP | FC_EX_DONE)) return; - FC_DEBUG_EXCH("Exchange (%4x) timed out, notifying the upper layer\n", - ep->xid); + FC_EXCH_DBG(ep, "Exchange timed out, notifying the upper layer\n"); + if (schedule_delayed_work(&ep->timeout_work, msecs_to_jiffies(timer_msec))) fc_exch_hold(ep); /* hold for timer */ @@ -426,9 +415,9 @@ static void fc_exch_timeout(struct work_struct *work) e_stat = ep->esb_stat; if (e_stat & ESB_ST_COMPLETE) { ep->esb_stat = e_stat & ~ESB_ST_REC_QUAL; + spin_unlock_bh(&ep->ex_lock); if (e_stat & ESB_ST_REC_QUAL) fc_exch_rrq(ep); - spin_unlock_bh(&ep->ex_lock); goto done; } else { resp = ep->resp; @@ -545,7 +534,7 @@ struct fc_exch *fc_exch_alloc(struct fc_exch_mgr *mp, /* alloc a new xid */ xid = fc_em_alloc_xid(mp, fp); if (!xid) { - printk(KERN_ERR "fc_em_alloc_xid() failed\n"); + printk(KERN_WARNING "libfc: Failed to allocate an exhange\n"); goto err; } } @@ -820,8 +809,8 @@ static struct fc_seq *fc_seq_start_next_locked(struct fc_seq *sp) struct fc_exch *ep = fc_seq_exch(sp); sp = fc_seq_alloc(ep, ep->seq_id++); - FC_DEBUG_EXCH("exch %4x f_ctl %6x seq %2x\n", - ep->xid, ep->f_ctl, sp->id); + FC_EXCH_DBG(ep, "f_ctl %6x seq %2x\n", + ep->f_ctl, sp->id); return sp; } /* @@ -901,7 +890,7 @@ void fc_seq_els_rsp_send(struct fc_seq *sp, enum fc_els_cmd els_cmd, fc_exch_els_rec(sp, els_data->fp); break; default: - FC_DBG("Invalid ELS CMD:%x\n", els_cmd); + FC_EXCH_DBG(fc_seq_exch(sp), "Invalid ELS CMD:%x\n", els_cmd); } } EXPORT_SYMBOL(fc_seq_els_rsp_send); @@ -1134,7 +1123,7 @@ static void fc_exch_recv_req(struct fc_lport *lp, struct fc_exch_mgr *mp, lp->tt.lport_recv(lp, sp, fp); fc_exch_release(ep); /* release from lookup */ } else { - FC_DEBUG_EXCH("exch/seq lookup failed: reject %x\n", reject); + FC_EM_DBG(mp, "exch/seq lookup failed: reject %x\n", reject); fc_frame_free(fp); } } @@ -1242,10 +1231,10 @@ static void fc_exch_recv_resp(struct fc_exch_mgr *mp, struct fc_frame *fp) sp = fc_seq_lookup_orig(mp, fp); /* doesn't hold sequence */ if (!sp) { atomic_inc(&mp->stats.xid_not_found); - FC_DEBUG_EXCH("seq lookup failed\n"); + FC_EM_DBG(mp, "seq lookup failed\n"); } else { atomic_inc(&mp->stats.non_bls_resp); - FC_DEBUG_EXCH("non-BLS response to sequence"); + FC_EM_DBG(mp, "non-BLS response to sequence"); } fc_frame_free(fp); } @@ -1266,8 +1255,8 @@ static void fc_exch_abts_resp(struct fc_exch *ep, struct fc_frame *fp) int rc = 1, has_rec = 0; fh = fc_frame_header_get(fp); - FC_DEBUG_EXCH("exch: BLS rctl %x - %s\n", - fh->fh_r_ctl, fc_exch_rctl_name(fh->fh_r_ctl)); + FC_EXCH_DBG(ep, "exch: BLS rctl %x - %s\n", fh->fh_r_ctl, + fc_exch_rctl_name(fh->fh_r_ctl)); if (cancel_delayed_work_sync(&ep->timeout_work)) fc_exch_release(ep); /* release from pending timer hold */ @@ -1359,9 +1348,9 @@ static void fc_exch_recv_bls(struct fc_exch_mgr *mp, struct fc_frame *fp) case FC_RCTL_ACK_0: break; default: - FC_DEBUG_EXCH("BLS rctl %x - %s received", - fh->fh_r_ctl, - fc_exch_rctl_name(fh->fh_r_ctl)); + FC_EXCH_DBG(ep, "BLS rctl %x - %s received", + fh->fh_r_ctl, + fc_exch_rctl_name(fh->fh_r_ctl)); break; } fc_frame_free(fp); @@ -1599,7 +1588,8 @@ static void fc_exch_rrq_resp(struct fc_seq *sp, struct fc_frame *fp, void *arg) if (err == -FC_EX_CLOSED || err == -FC_EX_TIMEOUT) goto cleanup; - FC_DBG("Cannot process RRQ, because of frame error %d\n", err); + FC_EXCH_DBG(aborted_ep, "Cannot process RRQ, " + "frame error %d\n", err); return; } @@ -1608,12 +1598,13 @@ static void fc_exch_rrq_resp(struct fc_seq *sp, struct fc_frame *fp, void *arg) switch (op) { case ELS_LS_RJT: - FC_DBG("LS_RJT for RRQ"); + FC_EXCH_DBG(aborted_ep, "LS_RJT for RRQ"); /* fall through */ case ELS_LS_ACC: goto cleanup; default: - FC_DBG("unexpected response op %x for RRQ", op); + FC_EXCH_DBG(aborted_ep, "unexpected response op %x " + "for RRQ", op); return; } @@ -1633,14 +1624,14 @@ static void fc_exch_rrq(struct fc_exch *ep) struct fc_lport *lp; struct fc_els_rrq *rrq; struct fc_frame *fp; - struct fc_seq *rrq_sp; u32 did; lp = ep->lp; fp = fc_frame_alloc(lp, sizeof(*rrq)); if (!fp) - return; + goto retry; + rrq = fc_frame_payload_get(fp, sizeof(*rrq)); memset(rrq, 0, sizeof(*rrq)); rrq->rrq_cmd = ELS_RRQ; @@ -1656,13 +1647,20 @@ static void fc_exch_rrq(struct fc_exch *ep) fc_host_port_id(lp->host), FC_TYPE_ELS, FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT, 0); - rrq_sp = fc_exch_seq_send(lp, fp, fc_exch_rrq_resp, NULL, ep, - lp->e_d_tov); - if (!rrq_sp) { - ep->esb_stat |= ESB_ST_REC_QUAL; - fc_exch_timer_set_locked(ep, ep->r_a_tov); + if (fc_exch_seq_send(lp, fp, fc_exch_rrq_resp, NULL, ep, lp->e_d_tov)) + return; + +retry: + spin_lock_bh(&ep->ex_lock); + if (ep->state & (FC_EX_RST_CLEANUP | FC_EX_DONE)) { + spin_unlock_bh(&ep->ex_lock); + /* drop hold for rec qual */ + fc_exch_release(ep); return; } + ep->esb_stat |= ESB_ST_REC_QUAL; + fc_exch_timer_set_locked(ep, ep->r_a_tov); + spin_unlock_bh(&ep->ex_lock); } @@ -1740,8 +1738,8 @@ struct fc_exch_mgr *fc_exch_mgr_alloc(struct fc_lport *lp, size_t len; if (max_xid <= min_xid || min_xid == 0 || max_xid == FC_XID_UNKNOWN) { - FC_DBG("Invalid min_xid 0x:%x and max_xid 0x:%x\n", - min_xid, max_xid); + FC_LPORT_DBG(lp, "Invalid min_xid 0x:%x and max_xid 0x:%x\n", + min_xid, max_xid); return NULL; } @@ -1878,7 +1876,8 @@ void fc_exch_recv(struct fc_lport *lp, struct fc_exch_mgr *mp, /* lport lock ? */ if (!lp || !mp || (lp->state == LPORT_ST_NONE)) { - FC_DBG("fc_lport or EM is not allocated and configured"); + FC_LPORT_DBG(lp, "Receiving frames for an lport that " + "has not been initialized correctly\n"); fc_frame_free(fp); return; } @@ -1904,7 +1903,7 @@ void fc_exch_recv(struct fc_lport *lp, struct fc_exch_mgr *mp, fc_exch_recv_req(lp, mp, fp); break; default: - FC_DBG("dropping invalid frame (eof %x)", fr_eof(fp)); + FC_EM_DBG(mp, "dropping invalid frame (eof %x)", fr_eof(fp)); fc_frame_free(fp); break; } diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c index ad8b747837b0..e303e0d12c4b 100644 --- a/drivers/scsi/libfc/fc_fcp.c +++ b/drivers/scsi/libfc/fc_fcp.c @@ -43,13 +43,9 @@ MODULE_AUTHOR("Open-FCoE.org"); MODULE_DESCRIPTION("libfc"); MODULE_LICENSE("GPL v2"); -static int fc_fcp_debug; - -#define FC_DEBUG_FCP(fmt...) \ - do { \ - if (fc_fcp_debug) \ - FC_DBG(fmt); \ - } while (0) +unsigned int fc_debug_logging; +module_param_named(debug_logging, fc_debug_logging, int, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(debug_logging, "a bit mask of logging levels"); static struct kmem_cache *scsi_pkt_cachep; @@ -347,8 +343,8 @@ static void fc_fcp_recv_data(struct fc_fcp_pkt *fsp, struct fc_frame *fp) if ((fr_flags(fp) & FCPHF_CRC_UNCHECKED) && fc_frame_crc_check(fp)) goto crc_err; - FC_DEBUG_FCP("data received past end. len %zx offset %zx " - "data_len %x\n", len, offset, fsp->data_len); + FC_FCP_DBG(fsp, "data received past end. len %zx offset %zx " + "data_len %x\n", len, offset, fsp->data_len); fc_fcp_retry_cmd(fsp); return; } @@ -411,7 +407,8 @@ crc_err: stats->ErrorFrames++; /* FIXME - per cpu count, not total count! */ if (stats->InvalidCRCCount++ < 5) - printk(KERN_WARNING "CRC error on data frame for port (%6x)\n", + printk(KERN_WARNING "libfc: CRC error on data " + "frame for port (%6x)\n", fc_host_port_id(lp->host)); /* * Assume the frame is total garbage. @@ -475,14 +472,14 @@ static int fc_fcp_send_data(struct fc_fcp_pkt *fsp, struct fc_seq *seq, WARN_ON(seq_blen <= 0); if (unlikely(offset + seq_blen > fsp->data_len)) { /* this should never happen */ - FC_DEBUG_FCP("xfer-ready past end. seq_blen %zx offset %zx\n", - seq_blen, offset); + FC_FCP_DBG(fsp, "xfer-ready past end. seq_blen %zx " + "offset %zx\n", seq_blen, offset); fc_fcp_send_abort(fsp); return 0; } else if (offset != fsp->xfer_len) { /* Out of Order Data Request - no problem, but unexpected. */ - FC_DEBUG_FCP("xfer-ready non-contiguous. " - "seq_blen %zx offset %zx\n", seq_blen, offset); + FC_FCP_DBG(fsp, "xfer-ready non-contiguous. " + "seq_blen %zx offset %zx\n", seq_blen, offset); } /* @@ -493,7 +490,7 @@ static int fc_fcp_send_data(struct fc_fcp_pkt *fsp, struct fc_seq *seq, t_blen = fsp->max_payload; if (lp->seq_offload) { t_blen = min(seq_blen, (size_t)lp->lso_max); - FC_DEBUG_FCP("fsp=%p:lso:blen=%zx lso_max=0x%x t_blen=%zx\n", + FC_FCP_DBG(fsp, "fsp=%p:lso:blen=%zx lso_max=0x%x t_blen=%zx\n", fsp, seq_blen, lp->lso_max, t_blen); } @@ -694,7 +691,7 @@ static void fc_fcp_reduce_can_queue(struct fc_lport *lp) if (!can_queue) can_queue = 1; lp->host->can_queue = can_queue; - shost_printk(KERN_ERR, lp->host, "Could not allocate frame.\n" + shost_printk(KERN_ERR, lp->host, "libfc: Could not allocate frame.\n" "Reducing can_queue to %d.\n", can_queue); done: spin_unlock_irqrestore(lp->host->host_lock, flags); @@ -768,7 +765,7 @@ static void fc_fcp_recv(struct fc_seq *seq, struct fc_frame *fp, void *arg) fc_fcp_resp(fsp, fp); } else { - FC_DBG("unexpected frame. r_ctl %x\n", r_ctl); + FC_FCP_DBG(fsp, "unexpected frame. r_ctl %x\n", r_ctl); } unlock: fc_fcp_unlock_pkt(fsp); @@ -877,17 +874,17 @@ static void fc_fcp_resp(struct fc_fcp_pkt *fsp, struct fc_frame *fp) return; } fsp->status_code = FC_DATA_OVRRUN; - FC_DBG("tgt %6x xfer len %zx greater than expected len %x. " - "data len %x\n", - fsp->rport->port_id, - fsp->xfer_len, expected_len, fsp->data_len); + FC_FCP_DBG(fsp, "tgt %6x xfer len %zx greater than expected, " + "len %x, data len %x\n", + fsp->rport->port_id, + fsp->xfer_len, expected_len, fsp->data_len); } fc_fcp_complete_locked(fsp); return; len_err: - FC_DBG("short FCP response. flags 0x%x len %u respl %u snsl %u\n", - flags, fr_len(fp), respl, snsl); + FC_FCP_DBG(fsp, "short FCP response. flags 0x%x len %u respl %u " + "snsl %u\n", flags, fr_len(fp), respl, snsl); err: fsp->status_code = FC_ERROR; fc_fcp_complete_locked(fsp); @@ -1107,13 +1104,11 @@ static void fc_fcp_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp) if (fc_fcp_lock_pkt(fsp)) return; - switch (error) { - case -FC_EX_CLOSED: + if (error == -FC_EX_CLOSED) { fc_fcp_retry_cmd(fsp); goto unlock; - default: - FC_DBG("unknown error %ld\n", PTR_ERR(fp)); } + /* * clear abort pending, because the lower layer * decided to force completion. @@ -1145,10 +1140,10 @@ static int fc_fcp_pkt_abort(struct fc_lport *lp, struct fc_fcp_pkt *fsp) fsp->wait_for_comp = 0; if (!rc) { - FC_DBG("target abort cmd failed\n"); + FC_FCP_DBG(fsp, "target abort cmd failed\n"); rc = FAILED; } else if (fsp->state & FC_SRB_ABORTED) { - FC_DBG("target abort cmd passed\n"); + FC_FCP_DBG(fsp, "target abort cmd passed\n"); rc = SUCCESS; fc_fcp_complete_locked(fsp); } @@ -1213,7 +1208,7 @@ static int fc_lun_reset(struct fc_lport *lp, struct fc_fcp_pkt *fsp, spin_unlock_bh(&fsp->scsi_pkt_lock); if (!rc) { - FC_DBG("lun reset failed\n"); + FC_SCSI_DBG(lp, "lun reset failed\n"); return FAILED; } @@ -1221,7 +1216,7 @@ static int fc_lun_reset(struct fc_lport *lp, struct fc_fcp_pkt *fsp, if (fsp->cdb_status != FCP_TMF_CMPL) return FAILED; - FC_DBG("lun reset to lun %u completed\n", lun); + FC_SCSI_DBG(lp, "lun reset to lun %u completed\n", lun); fc_fcp_cleanup_each_cmd(lp, id, lun, FC_CMD_ABORTED); return SUCCESS; } @@ -1388,13 +1383,13 @@ static void fc_fcp_rec_resp(struct fc_seq *seq, struct fc_frame *fp, void *arg) rjt = fc_frame_payload_get(fp, sizeof(*rjt)); switch (rjt->er_reason) { default: - FC_DEBUG_FCP("device %x unexpected REC reject " - "reason %d expl %d\n", - fsp->rport->port_id, rjt->er_reason, - rjt->er_explan); + FC_FCP_DBG(fsp, "device %x unexpected REC reject " + "reason %d expl %d\n", + fsp->rport->port_id, rjt->er_reason, + rjt->er_explan); /* fall through */ case ELS_RJT_UNSUP: - FC_DEBUG_FCP("device does not support REC\n"); + FC_FCP_DBG(fsp, "device does not support REC\n"); rp = fsp->rport->dd_data; /* * if we do not spport RECs or got some bogus @@ -1514,8 +1509,8 @@ static void fc_fcp_rec_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp) break; default: - FC_DBG("REC %p fid %x error unexpected error %d\n", - fsp, fsp->rport->port_id, error); + FC_FCP_DBG(fsp, "REC %p fid %x error unexpected error %d\n", + fsp, fsp->rport->port_id, error); fsp->status_code = FC_CMD_PLOGO; /* fall through */ @@ -1524,9 +1519,9 @@ static void fc_fcp_rec_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp) * Assume REC or LS_ACC was lost. * The exchange manager will have aborted REC, so retry. */ - FC_DBG("REC fid %x error error %d retry %d/%d\n", - fsp->rport->port_id, error, fsp->recov_retry, - FC_MAX_RECOV_RETRY); + FC_FCP_DBG(fsp, "REC fid %x error error %d retry %d/%d\n", + fsp->rport->port_id, error, fsp->recov_retry, + FC_MAX_RECOV_RETRY); if (fsp->recov_retry++ < FC_MAX_RECOV_RETRY) fc_fcp_rec(fsp); else @@ -2011,9 +2006,11 @@ int fc_eh_device_reset(struct scsi_cmnd *sc_cmd) if (lp->state != LPORT_ST_READY) return rc; + FC_SCSI_DBG(lp, "Resetting rport (%6x)\n", rport->port_id); + fsp = fc_fcp_pkt_alloc(lp, GFP_NOIO); if (fsp == NULL) { - FC_DBG("could not allocate scsi_pkt\n"); + printk(KERN_WARNING "libfc: could not allocate scsi_pkt\n"); sc_cmd->result = DID_NO_CONNECT << 16; goto out; } @@ -2048,17 +2045,21 @@ int fc_eh_host_reset(struct scsi_cmnd *sc_cmd) struct fc_lport *lp = shost_priv(shost); unsigned long wait_tmo; + FC_SCSI_DBG(lp, "Resetting host\n"); + lp->tt.lport_reset(lp); wait_tmo = jiffies + FC_HOST_RESET_TIMEOUT; while (!fc_fcp_lport_queue_ready(lp) && time_before(jiffies, wait_tmo)) msleep(1000); if (fc_fcp_lport_queue_ready(lp)) { - shost_printk(KERN_INFO, shost, "Host reset succeeded.\n"); + shost_printk(KERN_INFO, shost, "libfc: Host reset succeeded " + "on port (%6x)\n", fc_host_port_id(lp->host)); return SUCCESS; } else { - shost_printk(KERN_INFO, shost, "Host reset failed. " - "lport not ready.\n"); + shost_printk(KERN_INFO, shost, "libfc: Host reset failed, " + "port (%6x) is not ready.\n", + fc_host_port_id(lp->host)); return FAILED; } } @@ -2117,7 +2118,8 @@ void fc_fcp_destroy(struct fc_lport *lp) struct fc_fcp_internal *si = fc_get_scsi_internal(lp); if (!list_empty(&si->scsi_pkt_queue)) - printk(KERN_ERR "Leaked scsi packets.\n"); + printk(KERN_ERR "libfc: Leaked SCSI packets when destroying " + "port (%6x)\n", fc_host_port_id(lp->host)); mempool_destroy(si->scsi_pkt_pool); kfree(si); @@ -2166,7 +2168,8 @@ static int __init libfc_init(void) sizeof(struct fc_fcp_pkt), 0, SLAB_HWCACHE_ALIGN, NULL); if (scsi_pkt_cachep == NULL) { - FC_DBG("Unable to allocate SRB cache...module load failed!"); + printk(KERN_ERR "libfc: Unable to allocate SRB cache, " + "module load failed!"); return -ENOMEM; } diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c index e0c247724d2b..745fa5555d6a 100644 --- a/drivers/scsi/libfc/fc_lport.c +++ b/drivers/scsi/libfc/fc_lport.c @@ -101,14 +101,6 @@ #define DNS_DELAY 3 /* Discovery delay after RSCN (in seconds)*/ -static int fc_lport_debug; - -#define FC_DEBUG_LPORT(fmt...) \ - do { \ - if (fc_lport_debug) \ - FC_DBG(fmt); \ - } while (0) - static void fc_lport_error(struct fc_lport *, struct fc_frame *); static void fc_lport_enter_reset(struct fc_lport *); @@ -151,8 +143,8 @@ static void fc_lport_rport_callback(struct fc_lport *lport, struct fc_rport *rport, enum fc_rport_event event) { - FC_DEBUG_LPORT("Received a %d event for port (%6x)\n", event, - rport->port_id); + FC_LPORT_DBG(lport, "Received a %d event for port (%6x)\n", event, + rport->port_id); switch (event) { case RPORT_EV_CREATED: @@ -162,19 +154,19 @@ static void fc_lport_rport_callback(struct fc_lport *lport, lport->dns_rp = rport; fc_lport_enter_rpn_id(lport); } else { - FC_DEBUG_LPORT("Received an CREATED event on " - "port (%6x) for the directory " - "server, but the lport is not " - "in the DNS state, it's in the " - "%d state", rport->port_id, - lport->state); + FC_LPORT_DBG(lport, "Received an CREATED event " + "on port (%6x) for the directory " + "server, but the lport is not " + "in the DNS state, it's in the " + "%d state", rport->port_id, + lport->state); lport->tt.rport_logoff(rport); } mutex_unlock(&lport->lp_mutex); } else - FC_DEBUG_LPORT("Received an event for port (%6x) " - "which is not the directory server\n", - rport->port_id); + FC_LPORT_DBG(lport, "Received an event for port (%6x) " + "which is not the directory server\n", + rport->port_id); break; case RPORT_EV_LOGO: case RPORT_EV_FAILED: @@ -185,9 +177,9 @@ static void fc_lport_rport_callback(struct fc_lport *lport, mutex_unlock(&lport->lp_mutex); } else - FC_DEBUG_LPORT("Received an event for port (%6x) " - "which is not the directory server\n", - rport->port_id); + FC_LPORT_DBG(lport, "Received an event for port (%6x) " + "which is not the directory server\n", + rport->port_id); break; case RPORT_EV_NONE: break; @@ -363,8 +355,8 @@ static void fc_lport_add_fc4_type(struct fc_lport *lport, enum fc_fh_type type) static void fc_lport_recv_rlir_req(struct fc_seq *sp, struct fc_frame *fp, struct fc_lport *lport) { - FC_DEBUG_LPORT("Received RLIR request while in state %s\n", - fc_lport_state(lport)); + FC_LPORT_DBG(lport, "Received RLIR request while in state %s\n", + fc_lport_state(lport)); lport->tt.seq_els_rsp_send(sp, ELS_LS_ACC, NULL); fc_frame_free(fp); @@ -389,8 +381,8 @@ static void fc_lport_recv_echo_req(struct fc_seq *sp, struct fc_frame *in_fp, void *dp; u32 f_ctl; - FC_DEBUG_LPORT("Received RLIR request while in state %s\n", - fc_lport_state(lport)); + FC_LPORT_DBG(lport, "Received RLIR request while in state %s\n", + fc_lport_state(lport)); len = fr_len(in_fp) - sizeof(struct fc_frame_header); pp = fc_frame_payload_get(in_fp, len); @@ -437,8 +429,8 @@ static void fc_lport_recv_rnid_req(struct fc_seq *sp, struct fc_frame *in_fp, size_t len; u32 f_ctl; - FC_DEBUG_LPORT("Received RNID request while in state %s\n", - fc_lport_state(lport)); + FC_LPORT_DBG(lport, "Received RNID request while in state %s\n", + fc_lport_state(lport)); req = fc_frame_payload_get(in_fp, sizeof(*req)); if (!req) { @@ -498,8 +490,8 @@ static void fc_lport_recv_adisc_req(struct fc_seq *sp, struct fc_frame *in_fp, size_t len; u32 f_ctl; - FC_DEBUG_LPORT("Received ADISC request while in state %s\n", - fc_lport_state(lport)); + FC_LPORT_DBG(lport, "Received ADISC request while in state %s\n", + fc_lport_state(lport)); req = fc_frame_payload_get(in_fp, sizeof(*req)); if (!req) { @@ -574,8 +566,8 @@ EXPORT_SYMBOL(fc_fabric_login); */ void fc_linkup(struct fc_lport *lport) { - FC_DEBUG_LPORT("Link is up for port (%6x)\n", - fc_host_port_id(lport->host)); + printk(KERN_INFO "libfc: Link up on port (%6x)\n", + fc_host_port_id(lport->host)); mutex_lock(&lport->lp_mutex); if (!lport->link_up) { @@ -595,8 +587,8 @@ EXPORT_SYMBOL(fc_linkup); void fc_linkdown(struct fc_lport *lport) { mutex_lock(&lport->lp_mutex); - FC_DEBUG_LPORT("Link is down for port (%6x)\n", - fc_host_port_id(lport->host)); + printk(KERN_INFO "libfc: Link down on port (%6x)\n", + fc_host_port_id(lport->host)); if (lport->link_up) { lport->link_up = 0; @@ -701,12 +693,11 @@ void fc_lport_disc_callback(struct fc_lport *lport, enum fc_disc_event event) { switch (event) { case DISC_EV_SUCCESS: - FC_DEBUG_LPORT("Got a SUCCESS event for port (%6x)\n", - fc_host_port_id(lport->host)); + FC_LPORT_DBG(lport, "Discovery succeeded\n"); break; case DISC_EV_FAILED: - FC_DEBUG_LPORT("Got a FAILED event for port (%6x)\n", - fc_host_port_id(lport->host)); + printk(KERN_ERR "libfc: Discovery failed for port (%6x)\n", + fc_host_port_id(lport->host)); mutex_lock(&lport->lp_mutex); fc_lport_enter_reset(lport); mutex_unlock(&lport->lp_mutex); @@ -726,8 +717,8 @@ void fc_lport_disc_callback(struct fc_lport *lport, enum fc_disc_event event) */ static void fc_lport_enter_ready(struct fc_lport *lport) { - FC_DEBUG_LPORT("Port (%6x) entered Ready from state %s\n", - fc_host_port_id(lport->host), fc_lport_state(lport)); + FC_LPORT_DBG(lport, "Entered READY from state %s\n", + fc_lport_state(lport)); fc_lport_state_enter(lport, LPORT_ST_READY); @@ -762,8 +753,8 @@ static void fc_lport_recv_flogi_req(struct fc_seq *sp_in, u32 local_fid; u32 f_ctl; - FC_DEBUG_LPORT("Received FLOGI request while in state %s\n", - fc_lport_state(lport)); + FC_LPORT_DBG(lport, "Received FLOGI request while in state %s\n", + fc_lport_state(lport)); fh = fc_frame_header_get(rx_fp); remote_fid = ntoh24(fh->fh_s_id); @@ -772,12 +763,11 @@ static void fc_lport_recv_flogi_req(struct fc_seq *sp_in, goto out; remote_wwpn = get_unaligned_be64(&flp->fl_wwpn); if (remote_wwpn == lport->wwpn) { - FC_DBG("FLOGI from port with same WWPN %llx " - "possible configuration error\n", - (unsigned long long)remote_wwpn); + printk(KERN_WARNING "libfc: Received FLOGI from port " + "with same WWPN %llx\n", remote_wwpn); goto out; } - FC_DBG("FLOGI from port WWPN %llx\n", (unsigned long long)remote_wwpn); + FC_LPORT_DBG(lport, "FLOGI from port WWPN %llx\n", remote_wwpn); /* * XXX what is the right thing to do for FIDs? @@ -909,7 +899,8 @@ static void fc_lport_recv_req(struct fc_lport *lport, struct fc_seq *sp, } } } else { - FC_DBG("dropping invalid frame (eof %x)\n", fr_eof(fp)); + FC_LPORT_DBG(lport, "dropping invalid frame (eof %x)\n", + fr_eof(fp)); fc_frame_free(fp); } mutex_unlock(&lport->lp_mutex); @@ -947,8 +938,8 @@ EXPORT_SYMBOL(fc_lport_reset); */ static void fc_lport_enter_reset(struct fc_lport *lport) { - FC_DEBUG_LPORT("Port (%6x) entered RESET state from %s state\n", - fc_host_port_id(lport->host), fc_lport_state(lport)); + FC_LPORT_DBG(lport, "Entered RESET state from %s state\n", + fc_lport_state(lport)); fc_lport_state_enter(lport, LPORT_ST_RESET); @@ -982,9 +973,9 @@ static void fc_lport_enter_reset(struct fc_lport *lport) static void fc_lport_error(struct fc_lport *lport, struct fc_frame *fp) { unsigned long delay = 0; - FC_DEBUG_LPORT("Error %ld in state %s, retries %d\n", - PTR_ERR(fp), fc_lport_state(lport), - lport->retry_count); + FC_LPORT_DBG(lport, "Error %ld in state %s, retries %d\n", + PTR_ERR(fp), fc_lport_state(lport), + lport->retry_count); if (!fp || PTR_ERR(fp) == -FC_EX_TIMEOUT) { /* @@ -1040,11 +1031,11 @@ static void fc_lport_rft_id_resp(struct fc_seq *sp, struct fc_frame *fp, mutex_lock(&lport->lp_mutex); - FC_DEBUG_LPORT("Received a RFT_ID response\n"); + FC_LPORT_DBG(lport, "Received a RFT_ID response\n"); if (lport->state != LPORT_ST_RFT_ID) { - FC_DBG("Received a RFT_ID response, but in state %s\n", - fc_lport_state(lport)); + FC_LPORT_DBG(lport, "Received a RFT_ID response, but in state " + "%s\n", fc_lport_state(lport)); if (IS_ERR(fp)) goto err; goto out; @@ -1094,11 +1085,11 @@ static void fc_lport_rpn_id_resp(struct fc_seq *sp, struct fc_frame *fp, mutex_lock(&lport->lp_mutex); - FC_DEBUG_LPORT("Received a RPN_ID response\n"); + FC_LPORT_DBG(lport, "Received a RPN_ID response\n"); if (lport->state != LPORT_ST_RPN_ID) { - FC_DBG("Received a RPN_ID response, but in state %s\n", - fc_lport_state(lport)); + FC_LPORT_DBG(lport, "Received a RPN_ID response, but in state " + "%s\n", fc_lport_state(lport)); if (IS_ERR(fp)) goto err; goto out; @@ -1146,11 +1137,11 @@ static void fc_lport_scr_resp(struct fc_seq *sp, struct fc_frame *fp, mutex_lock(&lport->lp_mutex); - FC_DEBUG_LPORT("Received a SCR response\n"); + FC_LPORT_DBG(lport, "Received a SCR response\n"); if (lport->state != LPORT_ST_SCR) { - FC_DBG("Received a SCR response, but in state %s\n", - fc_lport_state(lport)); + FC_LPORT_DBG(lport, "Received a SCR response, but in state " + "%s\n", fc_lport_state(lport)); if (IS_ERR(fp)) goto err; goto out; @@ -1184,8 +1175,8 @@ static void fc_lport_enter_scr(struct fc_lport *lport) { struct fc_frame *fp; - FC_DEBUG_LPORT("Port (%6x) entered SCR state from %s state\n", - fc_host_port_id(lport->host), fc_lport_state(lport)); + FC_LPORT_DBG(lport, "Entered SCR state from %s state\n", + fc_lport_state(lport)); fc_lport_state_enter(lport, LPORT_ST_SCR); @@ -1213,8 +1204,8 @@ static void fc_lport_enter_rft_id(struct fc_lport *lport) struct fc_ns_fts *lps; int i; - FC_DEBUG_LPORT("Port (%6x) entered RFT_ID state from %s state\n", - fc_host_port_id(lport->host), fc_lport_state(lport)); + FC_LPORT_DBG(lport, "Entered RFT_ID state from %s state\n", + fc_lport_state(lport)); fc_lport_state_enter(lport, LPORT_ST_RFT_ID); @@ -1253,8 +1244,8 @@ static void fc_lport_enter_rpn_id(struct fc_lport *lport) { struct fc_frame *fp; - FC_DEBUG_LPORT("Port (%6x) entered RPN_ID state from %s state\n", - fc_host_port_id(lport->host), fc_lport_state(lport)); + FC_LPORT_DBG(lport, "Entered RPN_ID state from %s state\n", + fc_lport_state(lport)); fc_lport_state_enter(lport, LPORT_ST_RPN_ID); @@ -1294,8 +1285,8 @@ static void fc_lport_enter_dns(struct fc_lport *lport) dp.ids.roles = FC_RPORT_ROLE_UNKNOWN; dp.lp = lport; - FC_DEBUG_LPORT("Port (%6x) entered DNS state from %s state\n", - fc_host_port_id(lport->host), fc_lport_state(lport)); + FC_LPORT_DBG(lport, "Entered DNS state from %s state\n", + fc_lport_state(lport)); fc_lport_state_enter(lport, LPORT_ST_DNS); @@ -1374,11 +1365,11 @@ static void fc_lport_logo_resp(struct fc_seq *sp, struct fc_frame *fp, mutex_lock(&lport->lp_mutex); - FC_DEBUG_LPORT("Received a LOGO response\n"); + FC_LPORT_DBG(lport, "Received a LOGO response\n"); if (lport->state != LPORT_ST_LOGO) { - FC_DBG("Received a LOGO response, but in state %s\n", - fc_lport_state(lport)); + FC_LPORT_DBG(lport, "Received a LOGO response, but in state " + "%s\n", fc_lport_state(lport)); if (IS_ERR(fp)) goto err; goto out; @@ -1413,8 +1404,8 @@ static void fc_lport_enter_logo(struct fc_lport *lport) struct fc_frame *fp; struct fc_els_logo *logo; - FC_DEBUG_LPORT("Port (%6x) entered LOGO state from %s state\n", - fc_host_port_id(lport->host), fc_lport_state(lport)); + FC_LPORT_DBG(lport, "Entered LOGO state from %s state\n", + fc_lport_state(lport)); fc_lport_state_enter(lport, LPORT_ST_LOGO); @@ -1456,11 +1447,11 @@ static void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp, mutex_lock(&lport->lp_mutex); - FC_DEBUG_LPORT("Received a FLOGI response\n"); + FC_LPORT_DBG(lport, "Received a FLOGI response\n"); if (lport->state != LPORT_ST_FLOGI) { - FC_DBG("Received a FLOGI response, but in state %s\n", - fc_lport_state(lport)); + FC_LPORT_DBG(lport, "Received a FLOGI response, but in state " + "%s\n", fc_lport_state(lport)); if (IS_ERR(fp)) goto err; goto out; @@ -1475,7 +1466,8 @@ static void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp, did = ntoh24(fh->fh_d_id); if (fc_frame_payload_op(fp) == ELS_LS_ACC && did != 0) { - FC_DEBUG_LPORT("Assigned fid %x\n", did); + printk(KERN_INFO "libfc: Assigned FID (%6x) in FLOGI response\n", + did); fc_host_port_id(lport->host) = did; flp = fc_frame_payload_get(fp, sizeof(*flp)); @@ -1494,7 +1486,8 @@ static void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp, if (e_d_tov > lport->e_d_tov) lport->e_d_tov = e_d_tov; lport->r_a_tov = 2 * e_d_tov; - FC_DBG("Point-to-Point mode\n"); + printk(KERN_INFO "libfc: Port (%6x) entered " + "point to point mode\n", did); fc_lport_ptp_setup(lport, ntoh24(fh->fh_s_id), get_unaligned_be64( &flp->fl_wwpn), @@ -1517,7 +1510,7 @@ static void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp, } } } else { - FC_DBG("bad FLOGI response\n"); + FC_LPORT_DBG(lport, "Bad FLOGI response\n"); } out: @@ -1537,7 +1530,8 @@ void fc_lport_enter_flogi(struct fc_lport *lport) { struct fc_frame *fp; - FC_DEBUG_LPORT("Processing FLOGI state\n"); + FC_LPORT_DBG(lport, "Entered FLOGI state from %s state\n", + fc_lport_state(lport)); fc_lport_state_enter(lport, LPORT_ST_FLOGI); diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c index 7bfbff7e0efb..7162385f52eb 100644 --- a/drivers/scsi/libfc/fc_rport.c +++ b/drivers/scsi/libfc/fc_rport.c @@ -55,14 +55,6 @@ #include <scsi/libfc.h> #include <scsi/fc_encode.h> -static int fc_rport_debug; - -#define FC_DEBUG_RPORT(fmt...) \ - do { \ - if (fc_rport_debug) \ - FC_DBG(fmt); \ - } while (0) - struct workqueue_struct *rport_event_queue; static void fc_rport_enter_plogi(struct fc_rport *); @@ -97,7 +89,7 @@ static const char *fc_rport_state_names[] = { static void fc_rport_rogue_destroy(struct device *dev) { struct fc_rport *rport = dev_to_rport(dev); - FC_DEBUG_RPORT("Destroying rogue rport (%6x)\n", rport->port_id); + FC_RPORT_DBG(rport, "Destroying rogue rport\n"); kfree(rport); } @@ -263,8 +255,8 @@ static void fc_rport_work(struct work_struct *work) fc_rport_state_enter(new_rport, RPORT_ST_READY); } else { - FC_DBG("Failed to create the rport for port " - "(%6x).\n", ids.port_id); + printk(KERN_WARNING "libfc: Failed to allocate " + " memory for rport (%6x)\n", ids.port_id); event = RPORT_EV_FAILED; } if (rport->port_id != FC_FID_DIR_SERV) @@ -309,7 +301,7 @@ int fc_rport_login(struct fc_rport *rport) mutex_lock(&rdata->rp_mutex); - FC_DEBUG_RPORT("Login to port (%6x)\n", rport->port_id); + FC_RPORT_DBG(rport, "Login to port\n"); fc_rport_enter_plogi(rport); @@ -329,16 +321,13 @@ int fc_rport_login(struct fc_rport *rport) int fc_rport_logoff(struct fc_rport *rport) { struct fc_rport_libfc_priv *rdata = rport->dd_data; - struct fc_lport *lport = rdata->local_port; mutex_lock(&rdata->rp_mutex); - FC_DEBUG_RPORT("Remove port (%6x)\n", rport->port_id); + FC_RPORT_DBG(rport, "Remove port\n"); if (rdata->rp_state == RPORT_ST_NONE) { - FC_DEBUG_RPORT("(%6x): Port (%6x) in NONE state," - " not removing", fc_host_port_id(lport->host), - rport->port_id); + FC_RPORT_DBG(rport, "Port in NONE state, not removing\n"); mutex_unlock(&rdata->rp_mutex); goto out; } @@ -379,7 +368,7 @@ static void fc_rport_enter_ready(struct fc_rport *rport) fc_rport_state_enter(rport, RPORT_ST_READY); - FC_DEBUG_RPORT("Port (%6x) is Ready\n", rport->port_id); + FC_RPORT_DBG(rport, "Port is Ready\n"); rdata->event = RPORT_EV_CREATED; queue_work(rport_event_queue, &rdata->event_work); @@ -436,8 +425,8 @@ static void fc_rport_error(struct fc_rport *rport, struct fc_frame *fp) { struct fc_rport_libfc_priv *rdata = rport->dd_data; - FC_DEBUG_RPORT("Error %ld in state %s, retries %d\n", - PTR_ERR(fp), fc_rport_state(rport), rdata->retries); + FC_RPORT_DBG(rport, "Error %ld in state %s, retries %d\n", + PTR_ERR(fp), fc_rport_state(rport), rdata->retries); switch (rdata->rp_state) { case RPORT_ST_PLOGI: @@ -479,8 +468,8 @@ static void fc_rport_error_retry(struct fc_rport *rport, struct fc_frame *fp) return fc_rport_error(rport, fp); if (rdata->retries < rdata->local_port->max_rport_retry_count) { - FC_DEBUG_RPORT("Error %ld in state %s, retrying\n", - PTR_ERR(fp), fc_rport_state(rport)); + FC_RPORT_DBG(rport, "Error %ld in state %s, retrying\n", + PTR_ERR(fp), fc_rport_state(rport)); rdata->retries++; /* no additional delay on exchange timeouts */ if (PTR_ERR(fp) == -FC_EX_TIMEOUT) @@ -517,12 +506,11 @@ static void fc_rport_plogi_resp(struct fc_seq *sp, struct fc_frame *fp, mutex_lock(&rdata->rp_mutex); - FC_DEBUG_RPORT("Received a PLOGI response from port (%6x)\n", - rport->port_id); + FC_RPORT_DBG(rport, "Received a PLOGI response\n"); if (rdata->rp_state != RPORT_ST_PLOGI) { - FC_DBG("Received a PLOGI response, but in state %s\n", - fc_rport_state(rport)); + FC_RPORT_DBG(rport, "Received a PLOGI response, but in state " + "%s\n", fc_rport_state(rport)); if (IS_ERR(fp)) goto err; goto out; @@ -583,8 +571,8 @@ static void fc_rport_enter_plogi(struct fc_rport *rport) struct fc_lport *lport = rdata->local_port; struct fc_frame *fp; - FC_DEBUG_RPORT("Port (%6x) entered PLOGI state from %s state\n", - rport->port_id, fc_rport_state(rport)); + FC_RPORT_DBG(rport, "Port entered PLOGI state from %s state\n", + fc_rport_state(rport)); fc_rport_state_enter(rport, RPORT_ST_PLOGI); @@ -628,12 +616,11 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp, mutex_lock(&rdata->rp_mutex); - FC_DEBUG_RPORT("Received a PRLI response from port (%6x)\n", - rport->port_id); + FC_RPORT_DBG(rport, "Received a PRLI response\n"); if (rdata->rp_state != RPORT_ST_PRLI) { - FC_DBG("Received a PRLI response, but in state %s\n", - fc_rport_state(rport)); + FC_RPORT_DBG(rport, "Received a PRLI response, but in state " + "%s\n", fc_rport_state(rport)); if (IS_ERR(fp)) goto err; goto out; @@ -663,7 +650,7 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp, fc_rport_enter_rtv(rport); } else { - FC_DBG("Bad ELS response\n"); + FC_RPORT_DBG(rport, "Bad ELS response for PRLI command\n"); rdata->event = RPORT_EV_FAILED; fc_rport_state_enter(rport, RPORT_ST_NONE); queue_work(rport_event_queue, &rdata->event_work); @@ -695,12 +682,11 @@ static void fc_rport_logo_resp(struct fc_seq *sp, struct fc_frame *fp, mutex_lock(&rdata->rp_mutex); - FC_DEBUG_RPORT("Received a LOGO response from port (%6x)\n", - rport->port_id); + FC_RPORT_DBG(rport, "Received a LOGO response\n"); if (rdata->rp_state != RPORT_ST_LOGO) { - FC_DEBUG_RPORT("Received a LOGO response, but in state %s\n", - fc_rport_state(rport)); + FC_RPORT_DBG(rport, "Received a LOGO response, but in state " + "%s\n", fc_rport_state(rport)); if (IS_ERR(fp)) goto err; goto out; @@ -715,7 +701,7 @@ static void fc_rport_logo_resp(struct fc_seq *sp, struct fc_frame *fp, if (op == ELS_LS_ACC) { fc_rport_enter_rtv(rport); } else { - FC_DBG("Bad ELS response\n"); + FC_RPORT_DBG(rport, "Bad ELS response for LOGO command\n"); rdata->event = RPORT_EV_LOGO; fc_rport_state_enter(rport, RPORT_ST_NONE); queue_work(rport_event_queue, &rdata->event_work); @@ -745,8 +731,8 @@ static void fc_rport_enter_prli(struct fc_rport *rport) } *pp; struct fc_frame *fp; - FC_DEBUG_RPORT("Port (%6x) entered PRLI state from %s state\n", - rport->port_id, fc_rport_state(rport)); + FC_RPORT_DBG(rport, "Port entered PRLI state from %s state\n", + fc_rport_state(rport)); fc_rport_state_enter(rport, RPORT_ST_PRLI); @@ -784,12 +770,11 @@ static void fc_rport_rtv_resp(struct fc_seq *sp, struct fc_frame *fp, mutex_lock(&rdata->rp_mutex); - FC_DEBUG_RPORT("Received a RTV response from port (%6x)\n", - rport->port_id); + FC_RPORT_DBG(rport, "Received a RTV response\n"); if (rdata->rp_state != RPORT_ST_RTV) { - FC_DBG("Received a RTV response, but in state %s\n", - fc_rport_state(rport)); + FC_RPORT_DBG(rport, "Received a RTV response, but in state " + "%s\n", fc_rport_state(rport)); if (IS_ERR(fp)) goto err; goto out; @@ -844,8 +829,8 @@ static void fc_rport_enter_rtv(struct fc_rport *rport) struct fc_rport_libfc_priv *rdata = rport->dd_data; struct fc_lport *lport = rdata->local_port; - FC_DEBUG_RPORT("Port (%6x) entered RTV state from %s state\n", - rport->port_id, fc_rport_state(rport)); + FC_RPORT_DBG(rport, "Port entered RTV state from %s state\n", + fc_rport_state(rport)); fc_rport_state_enter(rport, RPORT_ST_RTV); @@ -875,8 +860,8 @@ static void fc_rport_enter_logo(struct fc_rport *rport) struct fc_lport *lport = rdata->local_port; struct fc_frame *fp; - FC_DEBUG_RPORT("Port (%6x) entered LOGO state from %s state\n", - rport->port_id, fc_rport_state(rport)); + FC_RPORT_DBG(rport, "Port entered LOGO state from %s state\n", + fc_rport_state(rport)); fc_rport_state_enter(rport, RPORT_ST_LOGO); @@ -983,14 +968,13 @@ static void fc_rport_recv_plogi_req(struct fc_rport *rport, fh = fc_frame_header_get(fp); - FC_DEBUG_RPORT("Received PLOGI request from port (%6x) " - "while in state %s\n", ntoh24(fh->fh_s_id), - fc_rport_state(rport)); + FC_RPORT_DBG(rport, "Received PLOGI request while in state %s\n", + fc_rport_state(rport)); sid = ntoh24(fh->fh_s_id); pl = fc_frame_payload_get(fp, sizeof(*pl)); if (!pl) { - FC_DBG("incoming PLOGI from %x too short\n", sid); + FC_RPORT_DBG(rport, "Received PLOGI too short\n"); WARN_ON(1); /* XXX TBD: send reject? */ fc_frame_free(fp); @@ -1012,26 +996,26 @@ static void fc_rport_recv_plogi_req(struct fc_rport *rport, */ switch (rdata->rp_state) { case RPORT_ST_INIT: - FC_DEBUG_RPORT("incoming PLOGI from %6x wwpn %llx state INIT " - "- reject\n", sid, (unsigned long long)wwpn); + FC_RPORT_DBG(rport, "Received PLOGI, wwpn %llx state INIT " + "- reject\n", (unsigned long long)wwpn); reject = ELS_RJT_UNSUP; break; case RPORT_ST_PLOGI: - FC_DEBUG_RPORT("incoming PLOGI from %x in PLOGI state %d\n", - sid, rdata->rp_state); + FC_RPORT_DBG(rport, "Received PLOGI in PLOGI state %d\n", + rdata->rp_state); if (wwpn < lport->wwpn) reject = ELS_RJT_INPROG; break; case RPORT_ST_PRLI: case RPORT_ST_READY: - FC_DEBUG_RPORT("incoming PLOGI from %x in logged-in state %d " - "- ignored for now\n", sid, rdata->rp_state); + FC_RPORT_DBG(rport, "Received PLOGI in logged-in state %d " + "- ignored for now\n", rdata->rp_state); /* XXX TBD - should reset */ break; case RPORT_ST_NONE: default: - FC_DEBUG_RPORT("incoming PLOGI from %x in unexpected " - "state %d\n", sid, rdata->rp_state); + FC_RPORT_DBG(rport, "Received PLOGI in unexpected " + "state %d\n", rdata->rp_state); fc_frame_free(fp); return; break; @@ -1115,9 +1099,8 @@ static void fc_rport_recv_prli_req(struct fc_rport *rport, fh = fc_frame_header_get(rx_fp); - FC_DEBUG_RPORT("Received PRLI request from port (%6x) " - "while in state %s\n", ntoh24(fh->fh_s_id), - fc_rport_state(rport)); + FC_RPORT_DBG(rport, "Received PRLI request while in state %s\n", + fc_rport_state(rport)); switch (rdata->rp_state) { case RPORT_ST_PRLI: @@ -1252,9 +1235,8 @@ static void fc_rport_recv_prlo_req(struct fc_rport *rport, struct fc_seq *sp, fh = fc_frame_header_get(fp); - FC_DEBUG_RPORT("Received PRLO request from port (%6x) " - "while in state %s\n", ntoh24(fh->fh_s_id), - fc_rport_state(rport)); + FC_RPORT_DBG(rport, "Received PRLO request while in state %s\n", + fc_rport_state(rport)); if (rdata->rp_state == RPORT_ST_NONE) { fc_frame_free(fp); @@ -1286,9 +1268,8 @@ static void fc_rport_recv_logo_req(struct fc_rport *rport, struct fc_seq *sp, fh = fc_frame_header_get(fp); - FC_DEBUG_RPORT("Received LOGO request from port (%6x) " - "while in state %s\n", ntoh24(fh->fh_s_id), - fc_rport_state(rport)); + FC_RPORT_DBG(rport, "Received LOGO request while in state %s\n", + fc_rport_state(rport)); if (rdata->rp_state == RPORT_ST_NONE) { fc_frame_free(fp); @@ -1308,7 +1289,6 @@ static void fc_rport_flush_queue(void) flush_workqueue(rport_event_queue); } - int fc_rport_init(struct fc_lport *lport) { if (!lport->tt.rport_create) diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 59908aead531..a751f6230c22 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -38,15 +38,30 @@ #include <scsi/scsi_transport_iscsi.h> #include <scsi/libiscsi.h> -static int iscsi_dbg_lib; -module_param_named(debug_libiscsi, iscsi_dbg_lib, int, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(debug_libiscsi, "Turn on debugging for libiscsi module. " - "Set to 1 to turn on, and zero to turn off. Default " - "is off."); +static int iscsi_dbg_lib_conn; +module_param_named(debug_libiscsi_conn, iscsi_dbg_lib_conn, int, + S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(debug_libiscsi_conn, + "Turn on debugging for connections in libiscsi module. " + "Set to 1 to turn on, and zero to turn off. Default is off."); + +static int iscsi_dbg_lib_session; +module_param_named(debug_libiscsi_session, iscsi_dbg_lib_session, int, + S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(debug_libiscsi_session, + "Turn on debugging for sessions in libiscsi module. " + "Set to 1 to turn on, and zero to turn off. Default is off."); + +static int iscsi_dbg_lib_eh; +module_param_named(debug_libiscsi_eh, iscsi_dbg_lib_eh, int, + S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(debug_libiscsi_eh, + "Turn on debugging for error handling in libiscsi module. " + "Set to 1 to turn on, and zero to turn off. Default is off."); #define ISCSI_DBG_CONN(_conn, dbg_fmt, arg...) \ do { \ - if (iscsi_dbg_lib) \ + if (iscsi_dbg_lib_conn) \ iscsi_conn_printk(KERN_INFO, _conn, \ "%s " dbg_fmt, \ __func__, ##arg); \ @@ -54,7 +69,15 @@ MODULE_PARM_DESC(debug_libiscsi, "Turn on debugging for libiscsi module. " #define ISCSI_DBG_SESSION(_session, dbg_fmt, arg...) \ do { \ - if (iscsi_dbg_lib) \ + if (iscsi_dbg_lib_session) \ + iscsi_session_printk(KERN_INFO, _session, \ + "%s " dbg_fmt, \ + __func__, ##arg); \ + } while (0); + +#define ISCSI_DBG_EH(_session, dbg_fmt, arg...) \ + do { \ + if (iscsi_dbg_lib_eh) \ iscsi_session_printk(KERN_INFO, _session, \ "%s " dbg_fmt, \ __func__, ##arg); \ @@ -954,6 +977,7 @@ int __iscsi_complete_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr, task = iscsi_itt_to_ctask(conn, hdr->itt); if (!task) return ISCSI_ERR_BAD_ITT; + task->last_xfer = jiffies; break; case ISCSI_OP_R2T: /* @@ -1192,10 +1216,12 @@ static int iscsi_xmit_task(struct iscsi_conn *conn) spin_unlock_bh(&conn->session->lock); rc = conn->session->tt->xmit_task(task); spin_lock_bh(&conn->session->lock); - __iscsi_put_task(task); - if (!rc) + if (!rc) { /* done with this task */ + task->last_xfer = jiffies; conn->task = NULL; + } + __iscsi_put_task(task); return rc; } @@ -1361,6 +1387,9 @@ static inline struct iscsi_task *iscsi_alloc_task(struct iscsi_conn *conn, task->state = ISCSI_TASK_PENDING; task->conn = conn; task->sc = sc; + task->have_checked_conn = false; + task->last_timeout = jiffies; + task->last_xfer = jiffies; INIT_LIST_HEAD(&task->running); return task; } @@ -1555,10 +1584,10 @@ int iscsi_eh_target_reset(struct scsi_cmnd *sc) spin_lock_bh(&session->lock); if (session->state == ISCSI_STATE_TERMINATE) { failed: - iscsi_session_printk(KERN_INFO, session, - "failing target reset: Could not log " - "back into target [age %d]\n", - session->age); + ISCSI_DBG_EH(session, + "failing target reset: Could not log back into " + "target [age %d]\n", + session->age); spin_unlock_bh(&session->lock); mutex_unlock(&session->eh_mutex); return FAILED; @@ -1572,7 +1601,7 @@ failed: */ iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); - ISCSI_DBG_SESSION(session, "wait for relogin\n"); + ISCSI_DBG_EH(session, "wait for relogin\n"); wait_event_interruptible(conn->ehwait, session->state == ISCSI_STATE_TERMINATE || session->state == ISCSI_STATE_LOGGED_IN || @@ -1582,10 +1611,10 @@ failed: mutex_lock(&session->eh_mutex); spin_lock_bh(&session->lock); - if (session->state == ISCSI_STATE_LOGGED_IN) - iscsi_session_printk(KERN_INFO, session, - "target reset succeeded\n"); - else + if (session->state == ISCSI_STATE_LOGGED_IN) { + ISCSI_DBG_EH(session, + "target reset succeeded\n"); + } else goto failed; spin_unlock_bh(&session->lock); mutex_unlock(&session->eh_mutex); @@ -1601,7 +1630,7 @@ static void iscsi_tmf_timedout(unsigned long data) spin_lock(&session->lock); if (conn->tmf_state == TMF_QUEUED) { conn->tmf_state = TMF_TIMEDOUT; - ISCSI_DBG_SESSION(session, "tmf timedout\n"); + ISCSI_DBG_EH(session, "tmf timedout\n"); /* unblock eh_abort() */ wake_up(&conn->ehwait); } @@ -1621,7 +1650,7 @@ static int iscsi_exec_task_mgmt_fn(struct iscsi_conn *conn, spin_unlock_bh(&session->lock); iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); spin_lock_bh(&session->lock); - ISCSI_DBG_SESSION(session, "tmf exec failure\n"); + ISCSI_DBG_EH(session, "tmf exec failure\n"); return -EPERM; } conn->tmfcmd_pdus_cnt++; @@ -1629,7 +1658,7 @@ static int iscsi_exec_task_mgmt_fn(struct iscsi_conn *conn, conn->tmf_timer.function = iscsi_tmf_timedout; conn->tmf_timer.data = (unsigned long)conn; add_timer(&conn->tmf_timer); - ISCSI_DBG_SESSION(session, "tmf set timeout\n"); + ISCSI_DBG_EH(session, "tmf set timeout\n"); spin_unlock_bh(&session->lock); mutex_unlock(&session->eh_mutex); @@ -1716,17 +1745,18 @@ static int iscsi_has_ping_timed_out(struct iscsi_conn *conn) return 0; } -static enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *scmd) +static enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc) { + enum blk_eh_timer_return rc = BLK_EH_NOT_HANDLED; + struct iscsi_task *task = NULL; struct iscsi_cls_session *cls_session; struct iscsi_session *session; struct iscsi_conn *conn; - enum blk_eh_timer_return rc = BLK_EH_NOT_HANDLED; - cls_session = starget_to_session(scsi_target(scmd->device)); + cls_session = starget_to_session(scsi_target(sc->device)); session = cls_session->dd_data; - ISCSI_DBG_SESSION(session, "scsi cmd %p timedout\n", scmd); + ISCSI_DBG_EH(session, "scsi cmd %p timedout\n", sc); spin_lock(&session->lock); if (session->state != ISCSI_STATE_LOGGED_IN) { @@ -1745,6 +1775,26 @@ static enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *scmd) goto done; } + task = (struct iscsi_task *)sc->SCp.ptr; + if (!task) + goto done; + /* + * If we have sent (at least queued to the network layer) a pdu or + * recvd one for the task since the last timeout ask for + * more time. If on the next timeout we have not made progress + * we can check if it is the task or connection when we send the + * nop as a ping. + */ + if (time_after_eq(task->last_xfer, task->last_timeout)) { + ISCSI_DBG_EH(session, "Command making progress. Asking " + "scsi-ml for more time to complete. " + "Last data recv at %lu. Last timeout was at " + "%lu\n.", task->last_xfer, task->last_timeout); + task->have_checked_conn = false; + rc = BLK_EH_RESET_TIMER; + goto done; + } + if (!conn->recv_timeout && !conn->ping_timeout) goto done; /* @@ -1755,23 +1805,32 @@ static enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *scmd) rc = BLK_EH_RESET_TIMER; goto done; } + + /* Assumes nop timeout is shorter than scsi cmd timeout */ + if (task->have_checked_conn) + goto done; + /* - * if we are about to check the transport then give the command - * more time + * Checking the transport already or nop from a cmd timeout still + * running */ - if (time_before_eq(conn->last_recv + (conn->recv_timeout * HZ), - jiffies)) { + if (conn->ping_task) { + task->have_checked_conn = true; rc = BLK_EH_RESET_TIMER; goto done; } - /* if in the middle of checking the transport then give us more time */ - if (conn->ping_task) - rc = BLK_EH_RESET_TIMER; + /* Make sure there is a transport check done */ + iscsi_send_nopout(conn, NULL); + task->have_checked_conn = true; + rc = BLK_EH_RESET_TIMER; + done: + if (task) + task->last_timeout = jiffies; spin_unlock(&session->lock); - ISCSI_DBG_SESSION(session, "return %s\n", rc == BLK_EH_RESET_TIMER ? - "timer reset" : "nh"); + ISCSI_DBG_EH(session, "return %s\n", rc == BLK_EH_RESET_TIMER ? + "timer reset" : "nh"); return rc; } @@ -1841,7 +1900,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) cls_session = starget_to_session(scsi_target(sc->device)); session = cls_session->dd_data; - ISCSI_DBG_SESSION(session, "aborting sc %p\n", sc); + ISCSI_DBG_EH(session, "aborting sc %p\n", sc); mutex_lock(&session->eh_mutex); spin_lock_bh(&session->lock); @@ -1850,8 +1909,8 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) * got the command. */ if (!sc->SCp.ptr) { - ISCSI_DBG_SESSION(session, "sc never reached iscsi layer or " - "it completed.\n"); + ISCSI_DBG_EH(session, "sc never reached iscsi layer or " + "it completed.\n"); spin_unlock_bh(&session->lock); mutex_unlock(&session->eh_mutex); return SUCCESS; @@ -1865,7 +1924,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) sc->SCp.phase != session->age) { spin_unlock_bh(&session->lock); mutex_unlock(&session->eh_mutex); - ISCSI_DBG_SESSION(session, "failing abort due to dropped " + ISCSI_DBG_EH(session, "failing abort due to dropped " "session.\n"); return FAILED; } @@ -1875,13 +1934,12 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) age = session->age; task = (struct iscsi_task *)sc->SCp.ptr; - ISCSI_DBG_SESSION(session, "aborting [sc %p itt 0x%x]\n", - sc, task->itt); + ISCSI_DBG_EH(session, "aborting [sc %p itt 0x%x]\n", + sc, task->itt); /* task completed before time out */ if (!task->sc) { - ISCSI_DBG_SESSION(session, "sc completed while abort in " - "progress\n"); + ISCSI_DBG_EH(session, "sc completed while abort in progress\n"); goto success; } @@ -1916,10 +1974,10 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) * good and have never sent us a successful tmf response * then sent more data for the cmd. */ - spin_lock(&session->lock); + spin_lock_bh(&session->lock); fail_scsi_task(task, DID_ABORT); conn->tmf_state = TMF_INITIAL; - spin_unlock(&session->lock); + spin_unlock_bh(&session->lock); iscsi_start_tx(conn); goto success_unlocked; case TMF_TIMEDOUT: @@ -1930,8 +1988,8 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) if (!sc->SCp.ptr) { conn->tmf_state = TMF_INITIAL; /* task completed before tmf abort response */ - ISCSI_DBG_SESSION(session, "sc completed while abort " - "in progress\n"); + ISCSI_DBG_EH(session, "sc completed while abort in " + "progress\n"); goto success; } /* fall through */ @@ -1943,16 +2001,16 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) success: spin_unlock_bh(&session->lock); success_unlocked: - ISCSI_DBG_SESSION(session, "abort success [sc %p itt 0x%x]\n", - sc, task->itt); + ISCSI_DBG_EH(session, "abort success [sc %p itt 0x%x]\n", + sc, task->itt); mutex_unlock(&session->eh_mutex); return SUCCESS; failed: spin_unlock_bh(&session->lock); failed_unlocked: - ISCSI_DBG_SESSION(session, "abort failed [sc %p itt 0x%x]\n", sc, - task ? task->itt : 0); + ISCSI_DBG_EH(session, "abort failed [sc %p itt 0x%x]\n", sc, + task ? task->itt : 0); mutex_unlock(&session->eh_mutex); return FAILED; } @@ -1979,8 +2037,7 @@ int iscsi_eh_device_reset(struct scsi_cmnd *sc) cls_session = starget_to_session(scsi_target(sc->device)); session = cls_session->dd_data; - ISCSI_DBG_SESSION(session, "LU Reset [sc %p lun %u]\n", - sc, sc->device->lun); + ISCSI_DBG_EH(session, "LU Reset [sc %p lun %u]\n", sc, sc->device->lun); mutex_lock(&session->eh_mutex); spin_lock_bh(&session->lock); @@ -2034,8 +2091,8 @@ int iscsi_eh_device_reset(struct scsi_cmnd *sc) unlock: spin_unlock_bh(&session->lock); done: - ISCSI_DBG_SESSION(session, "dev reset result = %s\n", - rc == SUCCESS ? "SUCCESS" : "FAILED"); + ISCSI_DBG_EH(session, "dev reset result = %s\n", + rc == SUCCESS ? "SUCCESS" : "FAILED"); mutex_unlock(&session->eh_mutex); return rc; } diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c index 2bc07090321d..2e0746d70303 100644 --- a/drivers/scsi/libiscsi_tcp.c +++ b/drivers/scsi/libiscsi_tcp.c @@ -686,6 +686,7 @@ iscsi_tcp_hdr_dissect(struct iscsi_conn *conn, struct iscsi_hdr *hdr) "offset=%d, datalen=%d)\n", tcp_task->data_offset, tcp_conn->in.datalen); + task->last_xfer = jiffies; rc = iscsi_segment_seek_sg(&tcp_conn->in.segment, sdb->table.sgl, sdb->table.nents, @@ -713,9 +714,10 @@ iscsi_tcp_hdr_dissect(struct iscsi_conn *conn, struct iscsi_hdr *hdr) rc = ISCSI_ERR_BAD_ITT; else if (ahslen) rc = ISCSI_ERR_AHSLEN; - else if (task->sc->sc_data_direction == DMA_TO_DEVICE) + else if (task->sc->sc_data_direction == DMA_TO_DEVICE) { + task->last_xfer = jiffies; rc = iscsi_tcp_r2t_rsp(conn, task); - else + } else rc = ISCSI_ERR_PROTO; spin_unlock(&conn->session->lock); break; diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index 54fa1e42dc4d..b3381959acce 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -766,6 +766,7 @@ static int sas_ex_join_wide_port(struct domain_device *parent, int phy_id) if (!memcmp(phy->attached_sas_addr, ephy->attached_sas_addr, SAS_ADDR_SIZE) && ephy->port) { sas_port_add_phy(ephy->port, phy->phy); + phy->port = ephy->port; phy->phy_state = PHY_DEVICE_DISCOVERED; return 0; } @@ -945,11 +946,21 @@ static int sas_ex_discover_dev(struct domain_device *dev, int phy_id) if (ex->ex_phy[i].phy_state == PHY_VACANT || ex->ex_phy[i].phy_state == PHY_NOT_PRESENT) continue; - + /* + * Due to races, the phy might not get added to the + * wide port, so we add the phy to the wide port here. + */ if (SAS_ADDR(ex->ex_phy[i].attached_sas_addr) == - SAS_ADDR(child->sas_addr)) + SAS_ADDR(child->sas_addr)) { ex->ex_phy[i].phy_state= PHY_DEVICE_DISCOVERED; + res = sas_ex_join_wide_port(dev, i); + if (!res) + SAS_DPRINTK("Attaching ex phy%d to wide port %016llx\n", + i, SAS_ADDR(ex->ex_phy[i].attached_sas_addr)); + + } } + res = 0; } return res; @@ -1598,7 +1609,7 @@ static int sas_get_phy_attached_sas_addr(struct domain_device *dev, } static int sas_find_bcast_phy(struct domain_device *dev, int *phy_id, - int from_phy) + int from_phy, bool update) { struct expander_device *ex = &dev->ex_dev; int res = 0; @@ -1611,7 +1622,9 @@ static int sas_find_bcast_phy(struct domain_device *dev, int *phy_id, if (res) goto out; else if (phy_change_count != ex->ex_phy[i].phy_change_count) { - ex->ex_phy[i].phy_change_count = phy_change_count; + if (update) + ex->ex_phy[i].phy_change_count = + phy_change_count; *phy_id = i; return 0; } @@ -1653,31 +1666,52 @@ out: kfree(rg_req); return res; } +/** + * sas_find_bcast_dev - find the device issue BROADCAST(CHANGE). + * @dev:domain device to be detect. + * @src_dev: the device which originated BROADCAST(CHANGE). + * + * Add self-configuration expander suport. Suppose two expander cascading, + * when the first level expander is self-configuring, hotplug the disks in + * second level expander, BROADCAST(CHANGE) will not only be originated + * in the second level expander, but also be originated in the first level + * expander (see SAS protocol SAS 2r-14, 7.11 for detail), it is to say, + * expander changed count in two level expanders will all increment at least + * once, but the phy which chang count has changed is the source device which + * we concerned. + */ static int sas_find_bcast_dev(struct domain_device *dev, struct domain_device **src_dev) { struct expander_device *ex = &dev->ex_dev; int ex_change_count = -1; + int phy_id = -1; int res; + struct domain_device *ch; res = sas_get_ex_change_count(dev, &ex_change_count); if (res) goto out; - if (ex_change_count != -1 && - ex_change_count != ex->ex_change_count) { - *src_dev = dev; - ex->ex_change_count = ex_change_count; - } else { - struct domain_device *ch; - - list_for_each_entry(ch, &ex->children, siblings) { - if (ch->dev_type == EDGE_DEV || - ch->dev_type == FANOUT_DEV) { - res = sas_find_bcast_dev(ch, src_dev); - if (src_dev) - return res; - } + if (ex_change_count != -1 && ex_change_count != ex->ex_change_count) { + /* Just detect if this expander phys phy change count changed, + * in order to determine if this expander originate BROADCAST, + * and do not update phy change count field in our structure. + */ + res = sas_find_bcast_phy(dev, &phy_id, 0, false); + if (phy_id != -1) { + *src_dev = dev; + ex->ex_change_count = ex_change_count; + SAS_DPRINTK("Expander phy change count has changed\n"); + return res; + } else + SAS_DPRINTK("Expander phys DID NOT change\n"); + } + list_for_each_entry(ch, &ex->children, siblings) { + if (ch->dev_type == EDGE_DEV || ch->dev_type == FANOUT_DEV) { + res = sas_find_bcast_dev(ch, src_dev); + if (src_dev) + return res; } } out: @@ -1700,24 +1734,26 @@ static void sas_unregister_ex_tree(struct domain_device *dev) } static void sas_unregister_devs_sas_addr(struct domain_device *parent, - int phy_id) + int phy_id, bool last) { struct expander_device *ex_dev = &parent->ex_dev; struct ex_phy *phy = &ex_dev->ex_phy[phy_id]; struct domain_device *child, *n; - - list_for_each_entry_safe(child, n, &ex_dev->children, siblings) { - if (SAS_ADDR(child->sas_addr) == - SAS_ADDR(phy->attached_sas_addr)) { - if (child->dev_type == EDGE_DEV || - child->dev_type == FANOUT_DEV) - sas_unregister_ex_tree(child); - else - sas_unregister_dev(child); - break; + if (last) { + list_for_each_entry_safe(child, n, + &ex_dev->children, siblings) { + if (SAS_ADDR(child->sas_addr) == + SAS_ADDR(phy->attached_sas_addr)) { + if (child->dev_type == EDGE_DEV || + child->dev_type == FANOUT_DEV) + sas_unregister_ex_tree(child); + else + sas_unregister_dev(child); + break; + } } + sas_disable_routing(parent, phy->attached_sas_addr); } - sas_disable_routing(parent, phy->attached_sas_addr); memset(phy->attached_sas_addr, 0, SAS_ADDR_SIZE); sas_port_delete_phy(phy->port, phy->phy); if (phy->port->num_phys == 0) @@ -1770,15 +1806,31 @@ static int sas_discover_new(struct domain_device *dev, int phy_id) { struct ex_phy *ex_phy = &dev->ex_dev.ex_phy[phy_id]; struct domain_device *child; - int res; + bool found = false; + int res, i; SAS_DPRINTK("ex %016llx phy%d new device attached\n", SAS_ADDR(dev->sas_addr), phy_id); res = sas_ex_phy_discover(dev, phy_id); if (res) goto out; + /* to support the wide port inserted */ + for (i = 0; i < dev->ex_dev.num_phys; i++) { + struct ex_phy *ex_phy_temp = &dev->ex_dev.ex_phy[i]; + if (i == phy_id) + continue; + if (SAS_ADDR(ex_phy_temp->attached_sas_addr) == + SAS_ADDR(ex_phy->attached_sas_addr)) { + found = true; + break; + } + } + if (found) { + sas_ex_join_wide_port(dev, phy_id); + return 0; + } res = sas_ex_discover_devices(dev, phy_id); - if (res) + if (!res) goto out; list_for_each_entry(child, &dev->ex_dev.children, siblings) { if (SAS_ADDR(child->sas_addr) == @@ -1793,7 +1845,7 @@ out: return res; } -static int sas_rediscover_dev(struct domain_device *dev, int phy_id) +static int sas_rediscover_dev(struct domain_device *dev, int phy_id, bool last) { struct expander_device *ex = &dev->ex_dev; struct ex_phy *phy = &ex->ex_phy[phy_id]; @@ -1804,11 +1856,11 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id) switch (res) { case SMP_RESP_NO_PHY: phy->phy_state = PHY_NOT_PRESENT; - sas_unregister_devs_sas_addr(dev, phy_id); + sas_unregister_devs_sas_addr(dev, phy_id, last); goto out; break; case SMP_RESP_PHY_VACANT: phy->phy_state = PHY_VACANT; - sas_unregister_devs_sas_addr(dev, phy_id); + sas_unregister_devs_sas_addr(dev, phy_id, last); goto out; break; case SMP_RESP_FUNC_ACC: break; @@ -1816,7 +1868,7 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id) if (SAS_ADDR(attached_sas_addr) == 0) { phy->phy_state = PHY_EMPTY; - sas_unregister_devs_sas_addr(dev, phy_id); + sas_unregister_devs_sas_addr(dev, phy_id, last); } else if (SAS_ADDR(attached_sas_addr) == SAS_ADDR(phy->attached_sas_addr)) { SAS_DPRINTK("ex %016llx phy 0x%x broadcast flutter\n", @@ -1828,12 +1880,27 @@ out: return res; } +/** + * sas_rediscover - revalidate the domain. + * @dev:domain device to be detect. + * @phy_id: the phy id will be detected. + * + * NOTE: this process _must_ quit (return) as soon as any connection + * errors are encountered. Connection recovery is done elsewhere. + * Discover process only interrogates devices in order to discover the + * domain.For plugging out, we un-register the device only when it is + * the last phy in the port, for other phys in this port, we just delete it + * from the port.For inserting, we do discovery when it is the + * first phy,for other phys in this port, we add it to the port to + * forming the wide-port. + */ static int sas_rediscover(struct domain_device *dev, const int phy_id) { struct expander_device *ex = &dev->ex_dev; struct ex_phy *changed_phy = &ex->ex_phy[phy_id]; int res = 0; int i; + bool last = true; /* is this the last phy of the port */ SAS_DPRINTK("ex %016llx phy%d originated BROADCAST(CHANGE)\n", SAS_ADDR(dev->sas_addr), phy_id); @@ -1848,13 +1915,13 @@ static int sas_rediscover(struct domain_device *dev, const int phy_id) SAS_ADDR(changed_phy->attached_sas_addr)) { SAS_DPRINTK("phy%d part of wide port with " "phy%d\n", phy_id, i); - goto out; + last = false; + break; } } - res = sas_rediscover_dev(dev, phy_id); + res = sas_rediscover_dev(dev, phy_id, last); } else res = sas_discover_new(dev, phy_id); -out: return res; } @@ -1881,7 +1948,7 @@ int sas_ex_revalidate_domain(struct domain_device *port_dev) do { phy_id = -1; - res = sas_find_bcast_phy(dev, &phy_id, i); + res = sas_find_bcast_phy(dev, &phy_id, i, true); if (phy_id == -1) break; res = sas_rediscover(dev, phy_id); diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c index e6ac59c023f1..fe8b74c706d2 100644 --- a/drivers/scsi/libsas/sas_port.c +++ b/drivers/scsi/libsas/sas_port.c @@ -56,7 +56,7 @@ static void sas_form_port(struct asd_sas_phy *phy) } } - /* find a port */ + /* see if the phy should be part of a wide port */ spin_lock_irqsave(&sas_ha->phy_port_lock, flags); for (i = 0; i < sas_ha->num_phys; i++) { port = sas_ha->sas_port[i]; @@ -69,12 +69,23 @@ static void sas_form_port(struct asd_sas_phy *phy) SAS_DPRINTK("phy%d matched wide port%d\n", phy->id, port->id); break; - } else if (*(u64 *) port->sas_addr == 0 && port->num_phys==0) { - memcpy(port->sas_addr, phy->sas_addr, SAS_ADDR_SIZE); - break; } spin_unlock(&port->phy_list_lock); } + /* The phy does not match any existing port, create a new one */ + if (i == sas_ha->num_phys) { + for (i = 0; i < sas_ha->num_phys; i++) { + port = sas_ha->sas_port[i]; + spin_lock(&port->phy_list_lock); + if (*(u64 *)port->sas_addr == 0 + && port->num_phys == 0) { + memcpy(port->sas_addr, phy->sas_addr, + SAS_ADDR_SIZE); + break; + } + spin_unlock(&port->phy_list_lock); + } + } if (i >= sas_ha->num_phys) { printk(KERN_NOTICE "%s: couldn't find a free port, bug?\n", diff --git a/drivers/scsi/mac53c94.c b/drivers/scsi/mac53c94.c index b12ad7c7c673..18735b39b3d3 100644 --- a/drivers/scsi/mac53c94.c +++ b/drivers/scsi/mac53c94.c @@ -75,8 +75,9 @@ static int mac53c94_queue(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd * int i; printk(KERN_DEBUG "mac53c94_queue %p: command is", cmd); for (i = 0; i < cmd->cmd_len; ++i) - printk(" %.2x", cmd->cmnd[i]); - printk("\n" KERN_DEBUG "use_sg=%d request_bufflen=%d request_buffer=%p\n", + printk(KERN_CONT " %.2x", cmd->cmnd[i]); + printk(KERN_CONT "\n"); + printk(KERN_DEBUG "use_sg=%d request_bufflen=%d request_buffer=%p\n", scsi_sg_count(cmd), scsi_bufflen(cmd), scsi_sglist(cmd)); } #endif diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index f3da592f7bcc..35a13867495e 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ b/drivers/scsi/mpt2sas/mpt2sas_base.c @@ -119,6 +119,64 @@ _base_fault_reset_work(struct work_struct *work) spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); } +/** + * mpt2sas_base_start_watchdog - start the fault_reset_work_q + * @ioc: pointer to scsi command object + * Context: sleep. + * + * Return nothing. + */ +void +mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc) +{ + unsigned long flags; + + if (ioc->fault_reset_work_q) + return; + + /* initialize fault polling */ + INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work); + snprintf(ioc->fault_reset_work_q_name, + sizeof(ioc->fault_reset_work_q_name), "poll_%d_status", ioc->id); + ioc->fault_reset_work_q = + create_singlethread_workqueue(ioc->fault_reset_work_q_name); + if (!ioc->fault_reset_work_q) { + printk(MPT2SAS_ERR_FMT "%s: failed (line=%d)\n", + ioc->name, __func__, __LINE__); + return; + } + spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); + if (ioc->fault_reset_work_q) + queue_delayed_work(ioc->fault_reset_work_q, + &ioc->fault_reset_work, + msecs_to_jiffies(FAULT_POLLING_INTERVAL)); + spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); +} + +/** + * mpt2sas_base_stop_watchdog - stop the fault_reset_work_q + * @ioc: pointer to scsi command object + * Context: sleep. + * + * Return nothing. + */ +void +mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc) +{ + unsigned long flags; + struct workqueue_struct *wq; + + spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); + wq = ioc->fault_reset_work_q; + ioc->fault_reset_work_q = NULL; + spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); + if (wq) { + if (!cancel_delayed_work(&ioc->fault_reset_work)) + flush_workqueue(wq); + destroy_workqueue(wq); + } +} + #ifdef CONFIG_SCSI_MPT2SAS_LOGGING /** * _base_sas_ioc_info - verbose translation of the ioc status @@ -440,6 +498,10 @@ _base_sas_log_info(struct MPT2SAS_ADAPTER *ioc , u32 log_info) if (sas_loginfo.dw.bus_type != 3 /*SAS*/) return; + /* each nexus loss loginfo */ + if (log_info == 0x31170000) + return; + /* eat the loginfos associated with task aborts */ if (ioc->ignore_loginfos && (log_info == 30050000 || log_info == 0x31140000 || log_info == 0x31130000)) @@ -1109,7 +1171,6 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc) } } - pci_set_drvdata(pdev, ioc->shost); _base_mask_interrupts(ioc); r = _base_enable_msix(ioc); if (r) @@ -1132,7 +1193,6 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc) ioc->pci_irq = -1; pci_release_selected_regions(ioc->pdev, ioc->bars); pci_disable_device(pdev); - pci_set_drvdata(pdev, NULL); return r; } @@ -3191,7 +3251,6 @@ mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc) ioc->chip_phys = 0; pci_release_selected_regions(ioc->pdev, ioc->bars); pci_disable_device(pdev); - pci_set_drvdata(pdev, NULL); return; } @@ -3205,7 +3264,6 @@ int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) { int r, i; - unsigned long flags; dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, __func__)); @@ -3214,6 +3272,7 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) if (r) return r; + pci_set_drvdata(ioc->pdev, ioc->shost); r = _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); if (r) goto out_free_resources; @@ -3288,23 +3347,7 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) if (r) goto out_free_resources; - /* initialize fault polling */ - INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work); - snprintf(ioc->fault_reset_work_q_name, - sizeof(ioc->fault_reset_work_q_name), "poll_%d_status", ioc->id); - ioc->fault_reset_work_q = - create_singlethread_workqueue(ioc->fault_reset_work_q_name); - if (!ioc->fault_reset_work_q) { - printk(MPT2SAS_ERR_FMT "%s: failed (line=%d)\n", - ioc->name, __func__, __LINE__); - goto out_free_resources; - } - spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); - if (ioc->fault_reset_work_q) - queue_delayed_work(ioc->fault_reset_work_q, - &ioc->fault_reset_work, - msecs_to_jiffies(FAULT_POLLING_INTERVAL)); - spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); + mpt2sas_base_start_watchdog(ioc); return 0; out_free_resources: @@ -3312,6 +3355,7 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) ioc->remove_host = 1; mpt2sas_base_free_resources(ioc); _base_release_memory_pools(ioc); + pci_set_drvdata(ioc->pdev, NULL); kfree(ioc->tm_cmds.reply); kfree(ioc->transport_cmds.reply); kfree(ioc->config_cmds.reply); @@ -3337,22 +3381,14 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc) { - unsigned long flags; - struct workqueue_struct *wq; dexitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, __func__)); - spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); - wq = ioc->fault_reset_work_q; - ioc->fault_reset_work_q = NULL; - spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); - if (!cancel_delayed_work(&ioc->fault_reset_work)) - flush_workqueue(wq); - destroy_workqueue(wq); - + mpt2sas_base_stop_watchdog(ioc); mpt2sas_base_free_resources(ioc); _base_release_memory_pools(ioc); + pci_set_drvdata(ioc->pdev, NULL); kfree(ioc->pfacts); kfree(ioc->ctl_cmds.reply); kfree(ioc->base_cmds.reply); diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h index 286c185fa9e4..acdcff150a35 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.h +++ b/drivers/scsi/mpt2sas/mpt2sas_base.h @@ -69,10 +69,10 @@ #define MPT2SAS_DRIVER_NAME "mpt2sas" #define MPT2SAS_AUTHOR "LSI Corporation <DL-MPTFusionLinux@lsi.com>" #define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver" -#define MPT2SAS_DRIVER_VERSION "01.100.03.00" +#define MPT2SAS_DRIVER_VERSION "01.100.04.00" #define MPT2SAS_MAJOR_VERSION 01 #define MPT2SAS_MINOR_VERSION 100 -#define MPT2SAS_BUILD_VERSION 03 +#define MPT2SAS_BUILD_VERSION 04 #define MPT2SAS_RELEASE_VERSION 00 /* @@ -673,6 +673,8 @@ typedef void (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, /* base shared API */ extern struct list_head mpt2sas_ioc_list; +void mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc); +void mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc); int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc); void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc); diff --git a/drivers/scsi/mpt2sas/mpt2sas_config.c b/drivers/scsi/mpt2sas/mpt2sas_config.c index 58cfb97846f7..6ddee161beb3 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_config.c +++ b/drivers/scsi/mpt2sas/mpt2sas_config.c @@ -236,17 +236,25 @@ _config_request(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigRequest_t Mpi2ConfigRequest_t *config_request; int r; u8 retry_count; - u8 issue_reset; + u8 issue_host_reset = 0; u16 wait_state_count; + mutex_lock(&ioc->config_cmds.mutex); if (ioc->config_cmds.status != MPT2_CMD_NOT_USED) { printk(MPT2SAS_ERR_FMT "%s: config_cmd in use\n", ioc->name, __func__); + mutex_unlock(&ioc->config_cmds.mutex); return -EAGAIN; } retry_count = 0; retry_config: + if (retry_count) { + if (retry_count > 2) /* attempt only 2 retries */ + return -EFAULT; + printk(MPT2SAS_INFO_FMT "%s: attempting retry (%d)\n", + ioc->name, __func__, retry_count); + } wait_state_count = 0; ioc_state = mpt2sas_base_get_iocstate(ioc, 1); while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { @@ -254,8 +262,8 @@ _config_request(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigRequest_t printk(MPT2SAS_ERR_FMT "%s: failed due to ioc not operational\n", ioc->name, __func__); - ioc->config_cmds.status = MPT2_CMD_NOT_USED; - return -EFAULT; + r = -EFAULT; + goto out; } ssleep(1); ioc_state = mpt2sas_base_get_iocstate(ioc, 1); @@ -271,8 +279,8 @@ _config_request(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigRequest_t if (!smid) { printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", ioc->name, __func__); - ioc->config_cmds.status = MPT2_CMD_NOT_USED; - return -EAGAIN; + r = -EAGAIN; + goto out; } r = 0; @@ -292,9 +300,15 @@ _config_request(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigRequest_t ioc->name, __func__); _debug_dump_mf(mpi_request, sizeof(Mpi2ConfigRequest_t)/4); - if (!(ioc->config_cmds.status & MPT2_CMD_RESET)) - issue_reset = 1; - goto issue_host_reset; + retry_count++; + if (ioc->config_cmds.smid == smid) + mpt2sas_base_free_smid(ioc, smid); + if ((ioc->shost_recovery) || + (ioc->config_cmds.status & MPT2_CMD_RESET)) + goto retry_config; + issue_host_reset = 1; + r = -EFAULT; + goto out; } if (ioc->config_cmds.status & MPT2_CMD_REPLY_VALID) memcpy(mpi_reply, ioc->config_cmds.reply, @@ -302,21 +316,13 @@ _config_request(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigRequest_t if (retry_count) printk(MPT2SAS_INFO_FMT "%s: retry completed!!\n", ioc->name, __func__); +out: ioc->config_cmds.status = MPT2_CMD_NOT_USED; - return r; - - issue_host_reset: - if (issue_reset) + mutex_unlock(&ioc->config_cmds.mutex); + if (issue_host_reset) mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, FORCE_BIG_HAMMER); - ioc->config_cmds.status = MPT2_CMD_NOT_USED; - if (!retry_count) { - printk(MPT2SAS_INFO_FMT "%s: attempting retry\n", - ioc->name, __func__); - retry_count++; - goto retry_config; - } - return -EFAULT; + return r; } /** @@ -375,7 +381,6 @@ mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc, int r; struct config_request mem; - mutex_lock(&ioc->config_cmds.mutex); memset(config_page, 0, sizeof(Mpi2ManufacturingPage0_t)); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); mpi_request.Function = MPI2_FUNCTION_CONFIG; @@ -417,7 +422,6 @@ mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc, _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -438,7 +442,6 @@ mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, int r; struct config_request mem; - mutex_lock(&ioc->config_cmds.mutex); memset(config_page, 0, sizeof(Mpi2BiosPage2_t)); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); mpi_request.Function = MPI2_FUNCTION_CONFIG; @@ -480,7 +483,6 @@ mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -501,7 +503,6 @@ mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t int r; struct config_request mem; - mutex_lock(&ioc->config_cmds.mutex); memset(config_page, 0, sizeof(Mpi2BiosPage3_t)); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); mpi_request.Function = MPI2_FUNCTION_CONFIG; @@ -543,7 +544,6 @@ mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -564,7 +564,6 @@ mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, int r; struct config_request mem; - mutex_lock(&ioc->config_cmds.mutex); memset(config_page, 0, sizeof(Mpi2IOUnitPage0_t)); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); mpi_request.Function = MPI2_FUNCTION_CONFIG; @@ -606,7 +605,6 @@ mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -627,7 +625,6 @@ mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, int r; struct config_request mem; - mutex_lock(&ioc->config_cmds.mutex); memset(config_page, 0, sizeof(Mpi2IOUnitPage1_t)); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); mpi_request.Function = MPI2_FUNCTION_CONFIG; @@ -669,7 +666,6 @@ mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -690,7 +686,6 @@ mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, int r; struct config_request mem; - mutex_lock(&ioc->config_cmds.mutex); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); mpi_request.Function = MPI2_FUNCTION_CONFIG; mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; @@ -732,7 +727,6 @@ mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -753,7 +747,6 @@ mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, int r; struct config_request mem; - mutex_lock(&ioc->config_cmds.mutex); memset(config_page, 0, sizeof(Mpi2IOCPage8_t)); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); mpi_request.Function = MPI2_FUNCTION_CONFIG; @@ -795,7 +788,6 @@ mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -818,7 +810,6 @@ mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t int r; struct config_request mem; - mutex_lock(&ioc->config_cmds.mutex); memset(config_page, 0, sizeof(Mpi2SasDevicePage0_t)); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); mpi_request.Function = MPI2_FUNCTION_CONFIG; @@ -863,7 +854,6 @@ mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -886,7 +876,6 @@ mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t int r; struct config_request mem; - mutex_lock(&ioc->config_cmds.mutex); memset(config_page, 0, sizeof(Mpi2SasDevicePage1_t)); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); mpi_request.Function = MPI2_FUNCTION_CONFIG; @@ -931,7 +920,6 @@ mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -953,7 +941,6 @@ mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys) Mpi2ConfigReply_t mpi_reply; Mpi2SasIOUnitPage0_t config_page; - mutex_lock(&ioc->config_cmds.mutex); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); mpi_request.Function = MPI2_FUNCTION_CONFIG; mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; @@ -1002,7 +989,6 @@ mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys) _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -1026,8 +1012,6 @@ mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t Mpi2ConfigRequest_t mpi_request; int r; struct config_request mem; - - mutex_lock(&ioc->config_cmds.mutex); memset(config_page, 0, sz); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); mpi_request.Function = MPI2_FUNCTION_CONFIG; @@ -1070,7 +1054,6 @@ mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -1095,7 +1078,6 @@ mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t int r; struct config_request mem; - mutex_lock(&ioc->config_cmds.mutex); memset(config_page, 0, sz); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); mpi_request.Function = MPI2_FUNCTION_CONFIG; @@ -1138,7 +1120,6 @@ mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -1161,7 +1142,6 @@ mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t int r; struct config_request mem; - mutex_lock(&ioc->config_cmds.mutex); memset(config_page, 0, sizeof(Mpi2ExpanderPage0_t)); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); mpi_request.Function = MPI2_FUNCTION_CONFIG; @@ -1206,7 +1186,6 @@ mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -1230,7 +1209,6 @@ mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t int r; struct config_request mem; - mutex_lock(&ioc->config_cmds.mutex); memset(config_page, 0, sizeof(Mpi2ExpanderPage1_t)); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); mpi_request.Function = MPI2_FUNCTION_CONFIG; @@ -1277,7 +1255,6 @@ mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -1300,7 +1277,6 @@ mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t int r; struct config_request mem; - mutex_lock(&ioc->config_cmds.mutex); memset(config_page, 0, sizeof(Mpi2SasEnclosurePage0_t)); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); mpi_request.Function = MPI2_FUNCTION_CONFIG; @@ -1345,7 +1321,6 @@ mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -1367,7 +1342,6 @@ mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t int r; struct config_request mem; - mutex_lock(&ioc->config_cmds.mutex); memset(config_page, 0, sizeof(Mpi2SasPhyPage0_t)); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); mpi_request.Function = MPI2_FUNCTION_CONFIG; @@ -1413,7 +1387,6 @@ mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -1435,7 +1408,6 @@ mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t int r; struct config_request mem; - mutex_lock(&ioc->config_cmds.mutex); memset(config_page, 0, sizeof(Mpi2SasPhyPage1_t)); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); mpi_request.Function = MPI2_FUNCTION_CONFIG; @@ -1481,7 +1453,6 @@ mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -1505,7 +1476,6 @@ mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, int r; struct config_request mem; - mutex_lock(&ioc->config_cmds.mutex); memset(config_page, 0, sizeof(Mpi2RaidVolPage1_t)); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); mpi_request.Function = MPI2_FUNCTION_CONFIG; @@ -1548,7 +1518,6 @@ mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -1572,7 +1541,6 @@ mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, struct config_request mem; u16 ioc_status; - mutex_lock(&ioc->config_cmds.mutex); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); *num_pds = 0; mpi_request.Function = MPI2_FUNCTION_CONFIG; @@ -1620,7 +1588,6 @@ mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -1645,7 +1612,6 @@ mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, int r; struct config_request mem; - mutex_lock(&ioc->config_cmds.mutex); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); memset(config_page, 0, sz); mpi_request.Function = MPI2_FUNCTION_CONFIG; @@ -1687,7 +1653,6 @@ mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -1711,7 +1676,6 @@ mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t int r; struct config_request mem; - mutex_lock(&ioc->config_cmds.mutex); memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); memset(config_page, 0, sizeof(Mpi2RaidPhysDiskPage0_t)); mpi_request.Function = MPI2_FUNCTION_CONFIG; @@ -1754,7 +1718,6 @@ mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } @@ -1778,7 +1741,6 @@ mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle, struct config_request mem; u16 ioc_status; - mutex_lock(&ioc->config_cmds.mutex); *volume_handle = 0; memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); mpi_request.Function = MPI2_FUNCTION_CONFIG; @@ -1842,7 +1804,6 @@ mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle, _config_free_config_dma_memory(ioc, &mem); out: - mutex_unlock(&ioc->config_cmds.mutex); return r; } diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c index 2a01a5f2a84d..2e9a4445596f 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -2767,6 +2767,10 @@ _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, char *desc_ioc_state = NULL; char *desc_scsi_status = NULL; char *desc_scsi_state = ioc->tmp_string; + u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo); + + if (log_info == 0x31170000) + return; switch (ioc_status) { case MPI2_IOCSTATUS_SUCCESS: @@ -3426,7 +3430,7 @@ _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle) __le64 sas_address; int i; unsigned long flags; - struct _sas_port *mpt2sas_port; + struct _sas_port *mpt2sas_port = NULL; int rc = 0; if (!handle) @@ -3518,12 +3522,20 @@ _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle) &expander_pg1, i, handle))) { printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, __func__); - continue; + rc = -1; + goto out_fail; } sas_expander->phy[i].handle = handle; sas_expander->phy[i].phy_id = i; - mpt2sas_transport_add_expander_phy(ioc, &sas_expander->phy[i], - expander_pg1, sas_expander->parent_dev); + + if ((mpt2sas_transport_add_expander_phy(ioc, + &sas_expander->phy[i], expander_pg1, + sas_expander->parent_dev))) { + printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", + ioc->name, __FILE__, __LINE__, __func__); + rc = -1; + goto out_fail; + } } if (sas_expander->enclosure_handle) { @@ -3540,8 +3552,9 @@ _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle) out_fail: - if (sas_expander) - kfree(sas_expander->phy); + if (mpt2sas_port) + mpt2sas_transport_port_remove(ioc, sas_expander->sas_address, + sas_expander->parent_handle); kfree(sas_expander); return rc; } @@ -3663,12 +3676,11 @@ _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd) sas_device->hidden_raid_component = is_pd; /* get enclosure_logical_id */ - if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply, &enclosure_pg0, - MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, - sas_device->enclosure_handle))) { + if (sas_device->enclosure_handle && !(mpt2sas_config_get_enclosure_pg0( + ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, + sas_device->enclosure_handle))) sas_device->enclosure_logical_id = le64_to_cpu(enclosure_pg0.EnclosureLogicalID); - } /* get device name */ sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName); @@ -4250,12 +4262,6 @@ _scsih_sas_volume_add(struct MPT2SAS_ADAPTER *ioc, u16 handle = le16_to_cpu(element->VolDevHandle); int rc; -#if 0 /* RAID_HACKS */ - if (le32_to_cpu(event_data->Flags) & - MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) - return; -#endif - mpt2sas_config_get_volume_wwid(ioc, handle, &wwid); if (!wwid) { printk(MPT2SAS_ERR_FMT @@ -4310,12 +4316,6 @@ _scsih_sas_volume_delete(struct MPT2SAS_ADAPTER *ioc, unsigned long flags; struct MPT2SAS_TARGET *sas_target_priv_data; -#if 0 /* RAID_HACKS */ - if (le32_to_cpu(event_data->Flags) & - MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) - return; -#endif - spin_lock_irqsave(&ioc->raid_device_lock, flags); raid_device = _scsih_raid_device_find_by_handle(ioc, handle); spin_unlock_irqrestore(&ioc->raid_device_lock, flags); @@ -4428,14 +4428,38 @@ _scsih_sas_pd_add(struct MPT2SAS_ADAPTER *ioc, struct _sas_device *sas_device; unsigned long flags; u16 handle = le16_to_cpu(element->PhysDiskDevHandle); + Mpi2ConfigReply_t mpi_reply; + Mpi2SasDevicePage0_t sas_device_pg0; + u32 ioc_status; spin_lock_irqsave(&ioc->sas_device_lock, flags); sas_device = _scsih_sas_device_find_by_handle(ioc, handle); spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (sas_device) + if (sas_device) { sas_device->hidden_raid_component = 1; - else - _scsih_add_device(ioc, handle, 0, 1); + return; + } + + if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, + MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { + printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", + ioc->name, __FILE__, __LINE__, __func__); + return; + } + + ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & + MPI2_IOCSTATUS_MASK; + if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { + printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", + ioc->name, __FILE__, __LINE__, __func__); + return; + } + + _scsih_link_change(ioc, + le16_to_cpu(sas_device_pg0.ParentDevHandle), + handle, sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); + + _scsih_add_device(ioc, handle, 0, 1); } #ifdef CONFIG_SCSI_MPT2SAS_LOGGING @@ -4535,12 +4559,15 @@ _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, { Mpi2EventIrConfigElement_t *element; int i; + u8 foreign_config; #ifdef CONFIG_SCSI_MPT2SAS_LOGGING if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) _scsih_sas_ir_config_change_event_debug(ioc, event_data); #endif + foreign_config = (le32_to_cpu(event_data->Flags) & + MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; for (i = 0; i < event_data->NumElements; i++, element++) { @@ -4548,11 +4575,13 @@ _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, switch (element->ReasonCode) { case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: case MPI2_EVENT_IR_CHANGE_RC_ADDED: - _scsih_sas_volume_add(ioc, element); + if (!foreign_config) + _scsih_sas_volume_add(ioc, element); break; case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: case MPI2_EVENT_IR_CHANGE_RC_REMOVED: - _scsih_sas_volume_delete(ioc, element); + if (!foreign_config) + _scsih_sas_volume_delete(ioc, element); break; case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: _scsih_sas_pd_hide(ioc, element); @@ -4671,6 +4700,9 @@ _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, u32 state; struct _sas_device *sas_device; unsigned long flags; + Mpi2ConfigReply_t mpi_reply; + Mpi2SasDevicePage0_t sas_device_pg0; + u32 ioc_status; if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED) return; @@ -4687,22 +4719,40 @@ _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, spin_unlock_irqrestore(&ioc->sas_device_lock, flags); switch (state) { -#if 0 - case MPI2_RAID_PD_STATE_OFFLINE: - if (sas_device) - _scsih_remove_device(ioc, handle); - break; -#endif case MPI2_RAID_PD_STATE_ONLINE: case MPI2_RAID_PD_STATE_DEGRADED: case MPI2_RAID_PD_STATE_REBUILDING: case MPI2_RAID_PD_STATE_OPTIMAL: - if (sas_device) + if (sas_device) { sas_device->hidden_raid_component = 1; - else - _scsih_add_device(ioc, handle, 0, 1); + return; + } + + if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, + &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, + handle))) { + printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", + ioc->name, __FILE__, __LINE__, __func__); + return; + } + + ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & + MPI2_IOCSTATUS_MASK; + if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { + printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", + ioc->name, __FILE__, __LINE__, __func__); + return; + } + + _scsih_link_change(ioc, + le16_to_cpu(sas_device_pg0.ParentDevHandle), + handle, sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); + + _scsih_add_device(ioc, handle, 0, 1); + break; + case MPI2_RAID_PD_STATE_OFFLINE: case MPI2_RAID_PD_STATE_NOT_CONFIGURED: case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: case MPI2_RAID_PD_STATE_HOT_SPARE: @@ -5774,6 +5824,7 @@ _scsih_suspend(struct pci_dev *pdev, pm_message_t state) struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); u32 device_state; + mpt2sas_base_stop_watchdog(ioc); flush_scheduled_work(); scsi_block_requests(shost); device_state = pci_choose_state(pdev, state); @@ -5816,6 +5867,7 @@ _scsih_resume(struct pci_dev *pdev) mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET); scsi_unblock_requests(shost); + mpt2sas_base_start_watchdog(ioc); return 0; } #endif /* CONFIG_PM */ diff --git a/drivers/scsi/ps3rom.c b/drivers/scsi/ps3rom.c index ca0dd33497ec..db90caf43f42 100644 --- a/drivers/scsi/ps3rom.c +++ b/drivers/scsi/ps3rom.c @@ -299,7 +299,7 @@ static irqreturn_t ps3rom_interrupt(int irq, void *data) return IRQ_HANDLED; } - host = dev->sbd.core.driver_data; + host = ps3_system_bus_get_drvdata(&dev->sbd); priv = shost_priv(host); cmd = priv->curr_cmd; @@ -387,7 +387,7 @@ static int __devinit ps3rom_probe(struct ps3_system_bus_device *_dev) } priv = shost_priv(host); - dev->sbd.core.driver_data = host; + ps3_system_bus_set_drvdata(&dev->sbd, host); priv->dev = dev; /* One device/LUN per SCSI bus */ @@ -407,7 +407,7 @@ static int __devinit ps3rom_probe(struct ps3_system_bus_device *_dev) fail_host_put: scsi_host_put(host); - dev->sbd.core.driver_data = NULL; + ps3_system_bus_set_drvdata(&dev->sbd, NULL); fail_teardown: ps3stor_teardown(dev); fail_free_bounce: @@ -418,12 +418,12 @@ fail_free_bounce: static int ps3rom_remove(struct ps3_system_bus_device *_dev) { struct ps3_storage_device *dev = to_ps3_storage_device(&_dev->core); - struct Scsi_Host *host = dev->sbd.core.driver_data; + struct Scsi_Host *host = ps3_system_bus_get_drvdata(&dev->sbd); scsi_remove_host(host); ps3stor_teardown(dev); scsi_host_put(host); - dev->sbd.core.driver_data = NULL; + ps3_system_bus_set_drvdata(&dev->sbd, NULL); kfree(dev->bounce_buf); return 0; } diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index 4a990f4da4ea..cca8e4ab0372 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -216,7 +216,7 @@ qla24xx_soft_reset(struct qla_hw_data *ha) static int qla2xxx_dump_ram(struct qla_hw_data *ha, uint32_t addr, uint16_t *ram, - uint16_t ram_words, void **nxt) + uint32_t ram_words, void **nxt) { int rval; uint32_t cnt, stat, timer, words, idx; diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 262026129325..f2ce8e3cc91b 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -2301,7 +2301,7 @@ qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport) static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" }; char *link_speed; int rval; - uint16_t mb[6]; + uint16_t mb[4]; struct qla_hw_data *ha = vha->hw; if (!IS_IIDMA_CAPABLE(ha)) diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 451ece0760b0..fe69f3057671 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -1267,17 +1267,22 @@ qla2x00_get_firmware_state(scsi_qla_host_t *vha, uint16_t *states) mcp->mb[0] = MBC_GET_FIRMWARE_STATE; mcp->out_mb = MBX_0; - mcp->in_mb = MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; + if (IS_FWI2_CAPABLE(vha->hw)) + mcp->in_mb = MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; + else + mcp->in_mb = MBX_1|MBX_0; mcp->tov = MBX_TOV_SECONDS; mcp->flags = 0; rval = qla2x00_mailbox_command(vha, mcp); /* Return firmware states. */ states[0] = mcp->mb[1]; - states[1] = mcp->mb[2]; - states[2] = mcp->mb[3]; - states[3] = mcp->mb[4]; - states[4] = mcp->mb[5]; + if (IS_FWI2_CAPABLE(vha->hw)) { + states[1] = mcp->mb[2]; + states[2] = mcp->mb[3]; + states[3] = mcp->mb[4]; + states[4] = mcp->mb[5]; + } if (rval != QLA_SUCCESS) { /*EMPTY*/ @@ -2697,10 +2702,13 @@ qla2x00_set_idma_speed(scsi_qla_host_t *vha, uint16_t loop_id, mcp->mb[0] = MBC_PORT_PARAMS; mcp->mb[1] = loop_id; mcp->mb[2] = BIT_0; - mcp->mb[3] = port_speed & (BIT_2|BIT_1|BIT_0); - mcp->mb[4] = mcp->mb[5] = 0; - mcp->out_mb = MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; - mcp->in_mb = MBX_5|MBX_4|MBX_3|MBX_1|MBX_0; + if (IS_QLA81XX(vha->hw)) + mcp->mb[3] = port_speed & (BIT_5|BIT_4|BIT_3|BIT_2|BIT_1|BIT_0); + else + mcp->mb[3] = port_speed & (BIT_2|BIT_1|BIT_0); + mcp->mb[9] = vha->vp_idx; + mcp->out_mb = MBX_9|MBX_3|MBX_2|MBX_1|MBX_0; + mcp->in_mb = MBX_3|MBX_1|MBX_0; mcp->tov = MBX_TOV_SECONDS; mcp->flags = 0; rval = qla2x00_mailbox_command(vha, mcp); @@ -2710,8 +2718,6 @@ qla2x00_set_idma_speed(scsi_qla_host_t *vha, uint16_t loop_id, mb[0] = mcp->mb[0]; mb[1] = mcp->mb[1]; mb[3] = mcp->mb[3]; - mb[4] = mcp->mb[4]; - mb[5] = mcp->mb[5]; } if (rval != QLA_SUCCESS) { diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index 650bcef08f2a..cd78c501803a 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -9,7 +9,6 @@ #include <linux/moduleparam.h> #include <linux/vmalloc.h> -#include <linux/smp_lock.h> #include <linux/list.h> #include <scsi/scsi_tcq.h> diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index dcf011679c8b..f0396e79b6fa 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -1663,7 +1663,7 @@ skip_pio: /* queue 0 uses two msix vectors */ if (ql2xmultique_tag) { cpus = num_online_cpus(); - ha->max_rsp_queues = (ha->msix_count - 1 - cpus) ? + ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ? (cpus + 1) : (ha->msix_count - 1); ha->max_req_queues = 2; } else if (ql2xmaxqueues > 1) { diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h index b63feaf43126..84369705a9ad 100644 --- a/drivers/scsi/qla2xxx/qla_version.h +++ b/drivers/scsi/qla2xxx/qla_version.h @@ -7,7 +7,7 @@ /* * Driver version */ -#define QLA2XXX_VERSION "8.03.01-k3" +#define QLA2XXX_VERSION "8.03.01-k4" #define QLA_DRIVER_MAJOR_VER 8 #define QLA_DRIVER_MINOR_VER 3 diff --git a/drivers/scsi/qla4xxx/ql4_dbg.c b/drivers/scsi/qla4xxx/ql4_dbg.c index fcc184cd066d..cbceb0ebabf7 100644 --- a/drivers/scsi/qla4xxx/ql4_dbg.c +++ b/drivers/scsi/qla4xxx/ql4_dbg.c @@ -15,19 +15,18 @@ void qla4xxx_dump_buffer(void *b, uint32_t size) uint32_t cnt; uint8_t *c = b; - printk(" 0 1 2 3 4 5 6 7 8 9 Ah Bh Ch Dh Eh " + printk(" 0 1 2 3 4 5 6 7 8 9 Ah Bh Ch Dh Eh " "Fh\n"); printk("------------------------------------------------------------" "--\n"); - for (cnt = 0; cnt < size; cnt++, c++) { - printk(KERN_DEBUG "%02x", *c); - if (!(cnt % 16)) - printk(KERN_DEBUG "\n"); + for (cnt = 0; cnt < size; c++) { + printk(KERN_INFO "%02x", *c); + if (!(++cnt % 16)) + printk(KERN_INFO "\n"); else - printk(KERN_DEBUG " "); + printk(KERN_INFO " "); } - if (cnt % 16) - printk(KERN_DEBUG "\n"); + printk(KERN_INFO "\n"); } diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h index b586f27c3bd4..81b5f29254e2 100644 --- a/drivers/scsi/qla4xxx/ql4_def.h +++ b/drivers/scsi/qla4xxx/ql4_def.h @@ -100,7 +100,6 @@ #define MAX_SRBS MAX_CMDS_TO_RISC #define MBOX_AEN_REG_COUNT 5 #define MAX_INIT_RETRIES 5 -#define IOCB_HIWAT_CUSHION 16 /* * Buffer sizes @@ -184,6 +183,11 @@ struct srb { uint16_t cc_stat; u_long r_start; /* Time we recieve a cmd from OS */ u_long u_start; /* Time when we handed the cmd to F/W */ + + /* Used for extended sense / status continuation */ + uint8_t *req_sense_ptr; + uint16_t req_sense_len; + uint16_t reserved2; }; /* @@ -302,7 +306,6 @@ struct scsi_qla_host { uint32_t tot_ddbs; uint16_t iocb_cnt; - uint16_t iocb_hiwat; /* SRB cache. */ #define SRB_MIN_REQ 128 @@ -436,6 +439,8 @@ struct scsi_qla_host { /* Map ddb_list entry by FW ddb index */ struct ddb_entry *fw_ddb_index_map[MAX_DDB_ENTRIES]; + /* Saved srb for status continuation entry processing */ + struct srb *status_srb; }; static inline int is_qla4010(struct scsi_qla_host *ha) diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h index 1b667a70cffa..9cd7a608df38 100644 --- a/drivers/scsi/qla4xxx/ql4_fw.h +++ b/drivers/scsi/qla4xxx/ql4_fw.h @@ -572,6 +572,7 @@ struct conn_event_log_entry { *************************************************************************/ #define IOCB_MAX_CDB_LEN 16 /* Bytes in a CBD */ #define IOCB_MAX_SENSEDATA_LEN 32 /* Bytes of sense data */ +#define IOCB_MAX_EXT_SENSEDATA_LEN 60 /* Bytes of extended sense data */ /* IOCB header structure */ struct qla4_header { @@ -733,6 +734,12 @@ struct status_entry { }; +/* Status Continuation entry */ +struct status_cont_entry { + struct qla4_header hdr; /* 00-03 */ + uint8_t ext_sense_data[IOCB_MAX_EXT_SENSEDATA_LEN]; /* 04-63 */ +}; + struct passthru0 { struct qla4_header hdr; /* 00-03 */ uint32_t handle; /* 04-07 */ diff --git a/drivers/scsi/qla4xxx/ql4_iocb.c b/drivers/scsi/qla4xxx/ql4_iocb.c index 912a67494adf..e0c32159749c 100644 --- a/drivers/scsi/qla4xxx/ql4_iocb.c +++ b/drivers/scsi/qla4xxx/ql4_iocb.c @@ -10,9 +10,42 @@ #include "ql4_dbg.h" #include "ql4_inline.h" - #include <scsi/scsi_tcq.h> +static int +qla4xxx_space_in_req_ring(struct scsi_qla_host *ha, uint16_t req_cnt) +{ + uint16_t cnt; + + /* Calculate number of free request entries. */ + if ((req_cnt + 2) >= ha->req_q_count) { + cnt = (uint16_t) le32_to_cpu(ha->shadow_regs->req_q_out); + if (ha->request_in < cnt) + ha->req_q_count = cnt - ha->request_in; + else + ha->req_q_count = REQUEST_QUEUE_DEPTH - + (ha->request_in - cnt); + } + + /* Check if room for request in request ring. */ + if ((req_cnt + 2) < ha->req_q_count) + return 1; + else + return 0; +} + +static void qla4xxx_advance_req_ring_ptr(struct scsi_qla_host *ha) +{ + /* Advance request queue pointer */ + if (ha->request_in == (REQUEST_QUEUE_DEPTH - 1)) { + ha->request_in = 0; + ha->request_ptr = ha->request_ring; + } else { + ha->request_in++; + ha->request_ptr++; + } +} + /** * qla4xxx_get_req_pkt - returns a valid entry in request queue. * @ha: Pointer to host adapter structure. @@ -26,35 +59,18 @@ static int qla4xxx_get_req_pkt(struct scsi_qla_host *ha, struct queue_entry **queue_entry) { - uint16_t request_in; - uint8_t status = QLA_SUCCESS; - - *queue_entry = ha->request_ptr; + uint16_t req_cnt = 1; - /* get the latest request_in and request_out index */ - request_in = ha->request_in; - ha->request_out = (uint16_t) le32_to_cpu(ha->shadow_regs->req_q_out); - - /* Advance request queue pointer and check for queue full */ - if (request_in == (REQUEST_QUEUE_DEPTH - 1)) { - request_in = 0; - ha->request_ptr = ha->request_ring; - } else { - request_in++; - ha->request_ptr++; - } - - /* request queue is full, try again later */ - if ((ha->iocb_cnt + 1) >= ha->iocb_hiwat) { - /* restore request pointer */ - ha->request_ptr = *queue_entry; - status = QLA_ERROR; - } else { - ha->request_in = request_in; + if (qla4xxx_space_in_req_ring(ha, req_cnt)) { + *queue_entry = ha->request_ptr; memset(*queue_entry, 0, sizeof(**queue_entry)); + + qla4xxx_advance_req_ring_ptr(ha); + ha->req_q_count -= req_cnt; + return QLA_SUCCESS; } - return status; + return QLA_ERROR; } /** @@ -100,21 +116,14 @@ exit_send_marker: return status; } -static struct continuation_t1_entry* qla4xxx_alloc_cont_entry( - struct scsi_qla_host *ha) +static struct continuation_t1_entry * +qla4xxx_alloc_cont_entry(struct scsi_qla_host *ha) { struct continuation_t1_entry *cont_entry; cont_entry = (struct continuation_t1_entry *)ha->request_ptr; - /* Advance request queue pointer */ - if (ha->request_in == (REQUEST_QUEUE_DEPTH - 1)) { - ha->request_in = 0; - ha->request_ptr = ha->request_ring; - } else { - ha->request_in++; - ha->request_ptr++; - } + qla4xxx_advance_req_ring_ptr(ha); /* Load packet defaults */ cont_entry->hdr.entryType = ET_CONTINUE; @@ -197,13 +206,10 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb) struct scsi_cmnd *cmd = srb->cmd; struct ddb_entry *ddb_entry; struct command_t3_entry *cmd_entry; - int nseg; uint16_t tot_dsds; uint16_t req_cnt; - unsigned long flags; - uint16_t cnt; uint32_t index; char tag[2]; @@ -217,6 +223,19 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb) index = (uint32_t)cmd->request->tag; + /* + * Check to see if adapter is online before placing request on + * request queue. If a reset occurs and a request is in the queue, + * the firmware will still attempt to process the request, retrieving + * garbage for pointers. + */ + if (!test_bit(AF_ONLINE, &ha->flags)) { + DEBUG2(printk("scsi%ld: %s: Adapter OFFLINE! " + "Do not issue command.\n", + ha->host_no, __func__)); + goto queuing_error; + } + /* Calculate the number of request entries needed. */ nseg = scsi_dma_map(cmd); if (nseg < 0) @@ -224,17 +243,7 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb) tot_dsds = nseg; req_cnt = qla4xxx_calc_request_entries(tot_dsds); - - if (ha->req_q_count < (req_cnt + 2)) { - cnt = (uint16_t) le32_to_cpu(ha->shadow_regs->req_q_out); - if (ha->request_in < cnt) - ha->req_q_count = cnt - ha->request_in; - else - ha->req_q_count = REQUEST_QUEUE_DEPTH - - (ha->request_in - cnt); - } - - if (ha->req_q_count < (req_cnt + 2)) + if (!qla4xxx_space_in_req_ring(ha, req_cnt)) goto queuing_error; /* total iocbs active */ @@ -286,32 +295,10 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb) break; } - - /* Advance request queue pointer */ - ha->request_in++; - if (ha->request_in == REQUEST_QUEUE_DEPTH) { - ha->request_in = 0; - ha->request_ptr = ha->request_ring; - } else - ha->request_ptr++; - - + qla4xxx_advance_req_ring_ptr(ha); qla4xxx_build_scsi_iocbs(srb, cmd_entry, tot_dsds); wmb(); - /* - * Check to see if adapter is online before placing request on - * request queue. If a reset occurs and a request is in the queue, - * the firmware will still attempt to process the request, retrieving - * garbage for pointers. - */ - if (!test_bit(AF_ONLINE, &ha->flags)) { - DEBUG2(printk("scsi%ld: %s: Adapter OFFLINE! " - "Do not issue command.\n", - ha->host_no, __func__)); - goto queuing_error; - } - srb->cmd->host_scribble = (unsigned char *)srb; /* update counters */ diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c index 799120fcb9be..8025ee16588e 100644 --- a/drivers/scsi/qla4xxx/ql4_isr.c +++ b/drivers/scsi/qla4xxx/ql4_isr.c @@ -11,6 +11,98 @@ #include "ql4_inline.h" /** + * qla4xxx_copy_sense - copy sense data into cmd sense buffer + * @ha: Pointer to host adapter structure. + * @sts_entry: Pointer to status entry structure. + * @srb: Pointer to srb structure. + **/ +static void qla4xxx_copy_sense(struct scsi_qla_host *ha, + struct status_entry *sts_entry, + struct srb *srb) +{ + struct scsi_cmnd *cmd = srb->cmd; + uint16_t sense_len; + + memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); + sense_len = le16_to_cpu(sts_entry->senseDataByteCnt); + if (sense_len == 0) + return; + + /* Save total available sense length, + * not to exceed cmd's sense buffer size */ + sense_len = min_t(uint16_t, sense_len, SCSI_SENSE_BUFFERSIZE); + srb->req_sense_ptr = cmd->sense_buffer; + srb->req_sense_len = sense_len; + + /* Copy sense from sts_entry pkt */ + sense_len = min_t(uint16_t, sense_len, IOCB_MAX_SENSEDATA_LEN); + memcpy(cmd->sense_buffer, sts_entry->senseData, sense_len); + + DEBUG2(printk(KERN_INFO "scsi%ld:%d:%d:%d: %s: sense key = %x, " + "ASL= %02x, ASC/ASCQ = %02x/%02x\n", ha->host_no, + cmd->device->channel, cmd->device->id, + cmd->device->lun, __func__, + sts_entry->senseData[2] & 0x0f, + sts_entry->senseData[7], + sts_entry->senseData[12], + sts_entry->senseData[13])); + + DEBUG5(qla4xxx_dump_buffer(cmd->sense_buffer, sense_len)); + srb->flags |= SRB_GOT_SENSE; + + /* Update srb, in case a sts_cont pkt follows */ + srb->req_sense_ptr += sense_len; + srb->req_sense_len -= sense_len; + if (srb->req_sense_len != 0) + ha->status_srb = srb; + else + ha->status_srb = NULL; +} + +/** + * qla4xxx_status_cont_entry - Process a Status Continuations entry. + * @ha: SCSI driver HA context + * @sts_cont: Entry pointer + * + * Extended sense data. + */ +static void +qla4xxx_status_cont_entry(struct scsi_qla_host *ha, + struct status_cont_entry *sts_cont) +{ + struct srb *srb = ha->status_srb; + struct scsi_cmnd *cmd; + uint8_t sense_len; + + if (srb == NULL) + return; + + cmd = srb->cmd; + if (cmd == NULL) { + DEBUG2(printk(KERN_INFO "scsi%ld: %s: Cmd already returned " + "back to OS srb=%p srb->state:%d\n", ha->host_no, + __func__, srb, srb->state)); + ha->status_srb = NULL; + return; + } + + /* Copy sense data. */ + sense_len = min_t(uint16_t, srb->req_sense_len, + IOCB_MAX_EXT_SENSEDATA_LEN); + memcpy(srb->req_sense_ptr, sts_cont->ext_sense_data, sense_len); + DEBUG5(qla4xxx_dump_buffer(srb->req_sense_ptr, sense_len)); + + srb->req_sense_ptr += sense_len; + srb->req_sense_len -= sense_len; + + /* Place command on done queue. */ + if (srb->req_sense_len == 0) { + qla4xxx_srb_compl(ha, srb); + ha->status_srb = NULL; + } +} + +/** * qla4xxx_status_entry - processes status IOCBs * @ha: Pointer to host adapter structure. * @sts_entry: Pointer to status entry structure. @@ -23,7 +115,6 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha, struct srb *srb; struct ddb_entry *ddb_entry; uint32_t residual; - uint16_t sensebytecnt; srb = qla4xxx_del_from_active_array(ha, le32_to_cpu(sts_entry->handle)); if (!srb) { @@ -92,24 +183,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha, break; /* Copy Sense Data into sense buffer. */ - memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); - - sensebytecnt = le16_to_cpu(sts_entry->senseDataByteCnt); - if (sensebytecnt == 0) - break; - - memcpy(cmd->sense_buffer, sts_entry->senseData, - min_t(uint16_t, sensebytecnt, SCSI_SENSE_BUFFERSIZE)); - - DEBUG2(printk("scsi%ld:%d:%d:%d: %s: sense key = %x, " - "ASC/ASCQ = %02x/%02x\n", ha->host_no, - cmd->device->channel, cmd->device->id, - cmd->device->lun, __func__, - sts_entry->senseData[2] & 0x0f, - sts_entry->senseData[12], - sts_entry->senseData[13])); - - srb->flags |= SRB_GOT_SENSE; + qla4xxx_copy_sense(ha, sts_entry, srb); break; case SCS_INCOMPLETE: @@ -176,23 +250,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha, break; /* Copy Sense Data into sense buffer. */ - memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); - - sensebytecnt = - le16_to_cpu(sts_entry->senseDataByteCnt); - if (sensebytecnt == 0) - break; - - memcpy(cmd->sense_buffer, sts_entry->senseData, - min_t(uint16_t, sensebytecnt, SCSI_SENSE_BUFFERSIZE)); - - DEBUG2(printk("scsi%ld:%d:%d:%d: %s: sense key = %x, " - "ASC/ASCQ = %02x/%02x\n", ha->host_no, - cmd->device->channel, cmd->device->id, - cmd->device->lun, __func__, - sts_entry->senseData[2] & 0x0f, - sts_entry->senseData[12], - sts_entry->senseData[13])); + qla4xxx_copy_sense(ha, sts_entry, srb); } else { /* * If RISC reports underrun and target does not @@ -268,9 +326,10 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha, status_entry_exit: - /* complete the request */ + /* complete the request, if not waiting for status_continuation pkt */ srb->cc_stat = sts_entry->completionStatus; - qla4xxx_srb_compl(ha, srb); + if (ha->status_srb == NULL) + qla4xxx_srb_compl(ha, srb); } /** @@ -305,10 +364,7 @@ static void qla4xxx_process_response_queue(struct scsi_qla_host * ha) /* process entry */ switch (sts_entry->hdr.entryType) { case ET_STATUS: - /* - * Common status - Single completion posted in single - * IOSB. - */ + /* Common status */ qla4xxx_status_entry(ha, sts_entry); break; @@ -316,9 +372,8 @@ static void qla4xxx_process_response_queue(struct scsi_qla_host * ha) break; case ET_STATUS_CONTINUATION: - /* Just throw away the status continuation entries */ - DEBUG2(printk("scsi%ld: %s: Status Continuation entry " - "- ignoring\n", ha->host_no, __func__)); + qla4xxx_status_cont_entry(ha, + (struct status_cont_entry *) sts_entry); break; case ET_COMMAND: diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c index 051b0f5e8c8e..09d6d4b76f39 100644 --- a/drivers/scsi/qla4xxx/ql4_mbx.c +++ b/drivers/scsi/qla4xxx/ql4_mbx.c @@ -385,16 +385,6 @@ int qla4xxx_get_firmware_status(struct scsi_qla_host * ha) mbox_sts[0])); return QLA_ERROR; } - - /* High-water mark of IOCBs */ - ha->iocb_hiwat = mbox_sts[2]; - if (ha->iocb_hiwat > IOCB_HIWAT_CUSHION) - ha->iocb_hiwat -= IOCB_HIWAT_CUSHION; - else - dev_info(&ha->pdev->dev, "WARNING!!! You have less than %d " - "firmware IOCBs available (%d).\n", - IOCB_HIWAT_CUSHION, ha->iocb_hiwat); - return QLA_SUCCESS; } diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index ec9da6ce8489..40e3cafb3a9c 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -66,6 +66,7 @@ static int qla4xxx_sess_get_param(struct iscsi_cls_session *sess, static int qla4xxx_host_get_param(struct Scsi_Host *shost, enum iscsi_host_param param, char *buf); static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session); +static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc); /* * SCSI host template entry points @@ -89,6 +90,7 @@ static struct scsi_host_template qla4xxx_driver_template = { .eh_device_reset_handler = qla4xxx_eh_device_reset, .eh_target_reset_handler = qla4xxx_eh_target_reset, .eh_host_reset_handler = qla4xxx_eh_host_reset, + .eh_timed_out = qla4xxx_eh_cmd_timed_out, .slave_configure = qla4xxx_slave_configure, .slave_alloc = qla4xxx_slave_alloc, @@ -124,6 +126,21 @@ static struct iscsi_transport qla4xxx_iscsi_transport = { static struct scsi_transport_template *qla4xxx_scsi_transport; +static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) +{ + struct iscsi_cls_session *session; + struct ddb_entry *ddb_entry; + + session = starget_to_session(scsi_target(sc->device)); + ddb_entry = session->dd_data; + + /* if we are not logged in then the LLD is going to clean up the cmd */ + if (atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE) + return BLK_EH_RESET_TIMER; + else + return BLK_EH_NOT_HANDLED; +} + static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session) { struct ddb_entry *ddb_entry = session->dd_data; @@ -904,18 +921,17 @@ static int qla4xxx_recover_adapter(struct scsi_qla_host *ha, /* Flush any pending ddb changed AENs */ qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); + qla4xxx_flush_active_srbs(ha); + /* Reset the firmware. If successful, function * returns with ISP interrupts enabled. */ - if (status == QLA_SUCCESS) { - DEBUG2(printk("scsi%ld: %s - Performing soft reset..\n", - ha->host_no, __func__)); - qla4xxx_flush_active_srbs(ha); - if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) - status = qla4xxx_soft_reset(ha); - else - status = QLA_ERROR; - } + DEBUG2(printk("scsi%ld: %s - Performing soft reset..\n", + ha->host_no, __func__)); + if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) + status = qla4xxx_soft_reset(ha); + else + status = QLA_ERROR; /* Flush any pending ddb changed AENs */ qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); @@ -1527,11 +1543,9 @@ static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) { struct scsi_qla_host *ha = to_qla_host(cmd->device->host); struct ddb_entry *ddb_entry = cmd->device->hostdata; - struct srb *sp; int ret = FAILED, stat; - sp = (struct srb *) cmd->SCp.ptr; - if (!sp || !ddb_entry) + if (!ddb_entry) return ret; dev_info(&ha->pdev->dev, @@ -1644,7 +1658,7 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) ha = (struct scsi_qla_host *) cmd->device->host->hostdata; dev_info(&ha->pdev->dev, - "scsi(%ld:%d:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, + "scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha->host_no, cmd->device->channel, cmd->device->id, cmd->device->lun); if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { diff --git a/drivers/scsi/qla4xxx/ql4_version.h b/drivers/scsi/qla4xxx/ql4_version.h index ab984cb89cea..6980cb279c81 100644 --- a/drivers/scsi/qla4xxx/ql4_version.h +++ b/drivers/scsi/qla4xxx/ql4_version.h @@ -5,5 +5,5 @@ * See LICENSE.qla4xxx for copyright and licensing details. */ -#define QLA4XXX_DRIVER_VERSION "5.01.00-k8" +#define QLA4XXX_DRIVER_VERSION "5.01.00-k9" diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 41a21772df12..fb9af207d61d 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -101,6 +101,8 @@ static const char * scsi_debug_version_date = "20070104"; #define DEF_DIF 0 #define DEF_GUARD 0 #define DEF_ATO 1 +#define DEF_PHYSBLK_EXP 0 +#define DEF_LOWEST_ALIGNED 0 /* bit mask values for scsi_debug_opts */ #define SCSI_DEBUG_OPT_NOISE 1 @@ -156,6 +158,8 @@ static int scsi_debug_dix = DEF_DIX; static int scsi_debug_dif = DEF_DIF; static int scsi_debug_guard = DEF_GUARD; static int scsi_debug_ato = DEF_ATO; +static int scsi_debug_physblk_exp = DEF_PHYSBLK_EXP; +static int scsi_debug_lowest_aligned = DEF_LOWEST_ALIGNED; static int scsi_debug_cmnd_count = 0; @@ -657,7 +661,12 @@ static unsigned char vpdb0_data[] = { static int inquiry_evpd_b0(unsigned char * arr) { + unsigned int gran; + memcpy(arr, vpdb0_data, sizeof(vpdb0_data)); + gran = 1 << scsi_debug_physblk_exp; + arr[2] = (gran >> 8) & 0xff; + arr[3] = gran & 0xff; if (sdebug_store_sectors > 0x400) { arr[4] = (sdebug_store_sectors >> 24) & 0xff; arr[5] = (sdebug_store_sectors >> 16) & 0xff; @@ -945,6 +954,9 @@ static int resp_readcap16(struct scsi_cmnd * scp, arr[9] = (scsi_debug_sector_size >> 16) & 0xff; arr[10] = (scsi_debug_sector_size >> 8) & 0xff; arr[11] = scsi_debug_sector_size & 0xff; + arr[13] = scsi_debug_physblk_exp & 0xf; + arr[14] = (scsi_debug_lowest_aligned >> 8) & 0x3f; + arr[15] = scsi_debug_lowest_aligned & 0xff; if (scsi_debug_dif) { arr[12] = (scsi_debug_dif - 1) << 1; /* P_TYPE */ @@ -2380,6 +2392,8 @@ module_param_named(dix, scsi_debug_dix, int, S_IRUGO); module_param_named(dif, scsi_debug_dif, int, S_IRUGO); module_param_named(guard, scsi_debug_guard, int, S_IRUGO); module_param_named(ato, scsi_debug_ato, int, S_IRUGO); +module_param_named(physblk_exp, scsi_debug_physblk_exp, int, S_IRUGO); +module_param_named(lowest_aligned, scsi_debug_lowest_aligned, int, S_IRUGO); MODULE_AUTHOR("Eric Youngdale + Douglas Gilbert"); MODULE_DESCRIPTION("SCSI debug adapter driver"); @@ -2401,7 +2415,9 @@ MODULE_PARM_DESC(ptype, "SCSI peripheral type(def=0[disk])"); MODULE_PARM_DESC(scsi_level, "SCSI level to simulate(def=5[SPC-3])"); MODULE_PARM_DESC(virtual_gb, "virtual gigabyte size (def=0 -> use dev_size_mb)"); MODULE_PARM_DESC(vpd_use_hostno, "0 -> dev ids ignore hostno (def=1 -> unique dev ids)"); -MODULE_PARM_DESC(sector_size, "hardware sector size in bytes (def=512)"); +MODULE_PARM_DESC(sector_size, "logical block size in bytes (def=512)"); +MODULE_PARM_DESC(physblk_exp, "physical block exponent (def=0)"); +MODULE_PARM_DESC(lowest_aligned, "lowest aligned lba (def=0)"); MODULE_PARM_DESC(dix, "data integrity extensions mask (def=0)"); MODULE_PARM_DESC(dif, "data integrity field type: 0-3 (def=0)"); MODULE_PARM_DESC(guard, "protection checksum: 0=crc, 1=ip (def=0)"); @@ -2874,6 +2890,18 @@ static int __init scsi_debug_init(void) return -EINVAL; } + if (scsi_debug_physblk_exp > 15) { + printk(KERN_ERR "scsi_debug_init: invalid physblk_exp %u\n", + scsi_debug_physblk_exp); + return -EINVAL; + } + + if (scsi_debug_lowest_aligned > 0x3fff) { + printk(KERN_ERR "scsi_debug_init: lowest_aligned too big: %u\n", + scsi_debug_lowest_aligned); + return -EINVAL; + } + if (scsi_debug_dev_size_mb < 1) scsi_debug_dev_size_mb = 1; /* force minimum 1 MB ramdisk */ sz = (unsigned long)scsi_debug_dev_size_mb * 1048576; diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c index 8821df9a277b..93c2622cb969 100644 --- a/drivers/scsi/scsi_devinfo.c +++ b/drivers/scsi/scsi_devinfo.c @@ -24,6 +24,13 @@ struct scsi_dev_info_list { unsigned compatible; /* for use with scsi_static_device_list entries */ }; +struct scsi_dev_info_list_table { + struct list_head node; /* our node for being on the master list */ + struct list_head scsi_dev_info_list; /* head of dev info list */ + const char *name; /* name of list for /proc (NULL for global) */ + int key; /* unique numeric identifier */ +}; + static const char spaces[] = " "; /* 16 of them */ static unsigned scsi_default_dev_flags; @@ -247,6 +254,22 @@ static struct { { NULL, NULL, NULL, 0 }, }; +static struct scsi_dev_info_list_table *scsi_devinfo_lookup_by_key(int key) +{ + struct scsi_dev_info_list_table *devinfo_table; + int found = 0; + + list_for_each_entry(devinfo_table, &scsi_dev_info_list, node) + if (devinfo_table->key == key) { + found = 1; + break; + } + if (!found) + return ERR_PTR(-EINVAL); + + return devinfo_table; +} + /* * scsi_strcpy_devinfo: called from scsi_dev_info_list_add to copy into * devinfo vendor and model strings. @@ -296,7 +319,38 @@ static void scsi_strcpy_devinfo(char *name, char *to, size_t to_length, static int scsi_dev_info_list_add(int compatible, char *vendor, char *model, char *strflags, int flags) { + return scsi_dev_info_list_add_keyed(compatible, vendor, model, + strflags, flags, + SCSI_DEVINFO_GLOBAL); +} + +/** + * scsi_dev_info_list_add_keyed - add one dev_info list entry. + * @compatible: if true, null terminate short strings. Otherwise space pad. + * @vendor: vendor string + * @model: model (product) string + * @strflags: integer string + * @flags: if strflags NULL, use this flag value + * @key: specify list to use + * + * Description: + * Create and add one dev_info entry for @vendor, @model, + * @strflags or @flag in list specified by @key. If @compatible, + * add to the tail of the list, do not space pad, and set + * devinfo->compatible. The scsi_static_device_list entries are + * added with @compatible 1 and @clfags NULL. + * + * Returns: 0 OK, -error on failure. + **/ +int scsi_dev_info_list_add_keyed(int compatible, char *vendor, char *model, + char *strflags, int flags, int key) +{ struct scsi_dev_info_list *devinfo; + struct scsi_dev_info_list_table *devinfo_table = + scsi_devinfo_lookup_by_key(key); + + if (IS_ERR(devinfo_table)) + return PTR_ERR(devinfo_table); devinfo = kmalloc(sizeof(*devinfo), GFP_KERNEL); if (!devinfo) { @@ -317,12 +371,15 @@ static int scsi_dev_info_list_add(int compatible, char *vendor, char *model, devinfo->compatible = compatible; if (compatible) - list_add_tail(&devinfo->dev_info_list, &scsi_dev_info_list); + list_add_tail(&devinfo->dev_info_list, + &devinfo_table->scsi_dev_info_list); else - list_add(&devinfo->dev_info_list, &scsi_dev_info_list); + list_add(&devinfo->dev_info_list, + &devinfo_table->scsi_dev_info_list); return 0; } +EXPORT_SYMBOL(scsi_dev_info_list_add_keyed); /** * scsi_dev_info_list_add_str - parse dev_list and add to the scsi_dev_info_list. @@ -382,22 +439,48 @@ static int scsi_dev_info_list_add_str(char *dev_list) * @model: model name * * Description: - * Search the scsi_dev_info_list for an entry matching @vendor and - * @model, if found, return the matching flags value, else return - * the host or global default settings. Called during scan time. + * Search the global scsi_dev_info_list (specified by list zero) + * for an entry matching @vendor and @model, if found, return the + * matching flags value, else return the host or global default + * settings. Called during scan time. **/ int scsi_get_device_flags(struct scsi_device *sdev, const unsigned char *vendor, const unsigned char *model) { + return scsi_get_device_flags_keyed(sdev, vendor, model, + SCSI_DEVINFO_GLOBAL); +} + + +/** + * get_device_flags_keyed - get device specific flags from the dynamic device list. + * @sdev: &scsi_device to get flags for + * @vendor: vendor name + * @model: model name + * @key: list to look up + * + * Description: + * Search the scsi_dev_info_list specified by @key for an entry + * matching @vendor and @model, if found, return the matching + * flags value, else return the host or global default settings. + * Called during scan time. + **/ +int scsi_get_device_flags_keyed(struct scsi_device *sdev, + const unsigned char *vendor, + const unsigned char *model, + int key) +{ struct scsi_dev_info_list *devinfo; - unsigned int bflags; + struct scsi_dev_info_list_table *devinfo_table; + + devinfo_table = scsi_devinfo_lookup_by_key(key); - bflags = sdev->sdev_bflags; - if (!bflags) - bflags = scsi_default_dev_flags; + if (IS_ERR(devinfo_table)) + return PTR_ERR(devinfo_table); - list_for_each_entry(devinfo, &scsi_dev_info_list, dev_info_list) { + list_for_each_entry(devinfo, &devinfo_table->scsi_dev_info_list, + dev_info_list) { if (devinfo->compatible) { /* * Behave like the older version of get_device_flags. @@ -447,32 +530,89 @@ int scsi_get_device_flags(struct scsi_device *sdev, return devinfo->flags; } } - return bflags; + /* nothing found, return nothing */ + if (key != SCSI_DEVINFO_GLOBAL) + return 0; + + /* except for the global list, where we have an exception */ + if (sdev->sdev_bflags) + return sdev->sdev_bflags; + + return scsi_default_dev_flags; } +EXPORT_SYMBOL(scsi_get_device_flags_keyed); #ifdef CONFIG_SCSI_PROC_FS +struct double_list { + struct list_head *top; + struct list_head *bottom; +}; + static int devinfo_seq_show(struct seq_file *m, void *v) { + struct double_list *dl = v; + struct scsi_dev_info_list_table *devinfo_table = + list_entry(dl->top, struct scsi_dev_info_list_table, node); struct scsi_dev_info_list *devinfo = - list_entry(v, struct scsi_dev_info_list, dev_info_list); + list_entry(dl->bottom, struct scsi_dev_info_list, + dev_info_list); + + if (devinfo_table->scsi_dev_info_list.next == dl->bottom && + devinfo_table->name) + seq_printf(m, "[%s]:\n", devinfo_table->name); seq_printf(m, "'%.8s' '%.16s' 0x%x\n", - devinfo->vendor, devinfo->model, devinfo->flags); + devinfo->vendor, devinfo->model, devinfo->flags); return 0; } -static void * devinfo_seq_start(struct seq_file *m, loff_t *pos) +static void *devinfo_seq_start(struct seq_file *m, loff_t *ppos) { - return seq_list_start(&scsi_dev_info_list, *pos); + struct double_list *dl = kmalloc(sizeof(*dl), GFP_KERNEL); + loff_t pos = *ppos; + + if (!dl) + return NULL; + + list_for_each(dl->top, &scsi_dev_info_list) { + struct scsi_dev_info_list_table *devinfo_table = + list_entry(dl->top, struct scsi_dev_info_list_table, + node); + list_for_each(dl->bottom, &devinfo_table->scsi_dev_info_list) + if (pos-- == 0) + return dl; + } + + kfree(dl); + return NULL; } -static void * devinfo_seq_next(struct seq_file *m, void *v, loff_t *pos) +static void *devinfo_seq_next(struct seq_file *m, void *v, loff_t *ppos) { - return seq_list_next(v, &scsi_dev_info_list, pos); + struct double_list *dl = v; + struct scsi_dev_info_list_table *devinfo_table = + list_entry(dl->top, struct scsi_dev_info_list_table, node); + + ++*ppos; + dl->bottom = dl->bottom->next; + while (&devinfo_table->scsi_dev_info_list == dl->bottom) { + dl->top = dl->top->next; + if (dl->top == &scsi_dev_info_list) { + kfree(dl); + return NULL; + } + devinfo_table = list_entry(dl->top, + struct scsi_dev_info_list_table, + node); + dl->bottom = devinfo_table->scsi_dev_info_list.next; + } + + return dl; } static void devinfo_seq_stop(struct seq_file *m, void *v) { + kfree(v); } static const struct seq_operations scsi_devinfo_seq_ops = { @@ -549,19 +689,78 @@ MODULE_PARM_DESC(default_dev_flags, **/ void scsi_exit_devinfo(void) { - struct list_head *lh, *lh_next; - struct scsi_dev_info_list *devinfo; - #ifdef CONFIG_SCSI_PROC_FS remove_proc_entry("scsi/device_info", NULL); #endif - list_for_each_safe(lh, lh_next, &scsi_dev_info_list) { + scsi_dev_info_remove_list(SCSI_DEVINFO_GLOBAL); +} + +/** + * scsi_dev_info_add_list - add a new devinfo list + * @key: key of the list to add + * @name: Name of the list to add (for /proc/scsi/device_info) + * + * Adds the requested list, returns zero on success, -EEXIST if the + * key is already registered to a list, or other error on failure. + */ +int scsi_dev_info_add_list(int key, const char *name) +{ + struct scsi_dev_info_list_table *devinfo_table = + scsi_devinfo_lookup_by_key(key); + + if (!IS_ERR(devinfo_table)) + /* list already exists */ + return -EEXIST; + + devinfo_table = kmalloc(sizeof(*devinfo_table), GFP_KERNEL); + + if (!devinfo_table) + return -ENOMEM; + + INIT_LIST_HEAD(&devinfo_table->node); + INIT_LIST_HEAD(&devinfo_table->scsi_dev_info_list); + devinfo_table->name = name; + devinfo_table->key = key; + list_add_tail(&devinfo_table->node, &scsi_dev_info_list); + + return 0; +} +EXPORT_SYMBOL(scsi_dev_info_add_list); + +/** + * scsi_dev_info_remove_list - destroy an added devinfo list + * @key: key of the list to destroy + * + * Iterates over the entire list first, freeing all the values, then + * frees the list itself. Returns 0 on success or -EINVAL if the key + * can't be found. + */ +int scsi_dev_info_remove_list(int key) +{ + struct list_head *lh, *lh_next; + struct scsi_dev_info_list_table *devinfo_table = + scsi_devinfo_lookup_by_key(key); + + if (IS_ERR(devinfo_table)) + /* no such list */ + return -EINVAL; + + /* remove from the master list */ + list_del(&devinfo_table->node); + + list_for_each_safe(lh, lh_next, &devinfo_table->scsi_dev_info_list) { + struct scsi_dev_info_list *devinfo; + devinfo = list_entry(lh, struct scsi_dev_info_list, dev_info_list); kfree(devinfo); } + kfree(devinfo_table); + + return 0; } +EXPORT_SYMBOL(scsi_dev_info_remove_list); /** * scsi_init_devinfo - set up the dynamic device list. @@ -577,10 +776,14 @@ int __init scsi_init_devinfo(void) #endif int error, i; - error = scsi_dev_info_list_add_str(scsi_dev_flags); + error = scsi_dev_info_add_list(SCSI_DEVINFO_GLOBAL, NULL); if (error) return error; + error = scsi_dev_info_list_add_str(scsi_dev_flags); + if (error) + goto out; + for (i = 0; scsi_static_device_list[i].vendor; i++) { error = scsi_dev_info_list_add(1 /* compatibile */, scsi_static_device_list[i].vendor, diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 30f3275e119e..f3c40898fc7d 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1207,6 +1207,7 @@ int scsi_prep_fn(struct request_queue *q, struct request *req) ret = scsi_setup_blk_pc_cmnd(sdev, req); return scsi_prep_return(q, req, ret); } +EXPORT_SYMBOL(scsi_prep_fn); /* * scsi_dev_queue_ready: if we can send requests to sdev, return 1 else diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h index fbc83bebdd8e..021e503c8c44 100644 --- a/drivers/scsi/scsi_priv.h +++ b/drivers/scsi/scsi_priv.h @@ -39,9 +39,25 @@ static inline void scsi_log_completion(struct scsi_cmnd *cmd, int disposition) #endif /* scsi_devinfo.c */ + +/* list of keys for the lists */ +enum { + SCSI_DEVINFO_GLOBAL = 0, + SCSI_DEVINFO_SPI, +}; + extern int scsi_get_device_flags(struct scsi_device *sdev, const unsigned char *vendor, const unsigned char *model); +extern int scsi_get_device_flags_keyed(struct scsi_device *sdev, + const unsigned char *vendor, + const unsigned char *model, int key); +extern int scsi_dev_info_list_add_keyed(int compatible, char *vendor, + char *model, char *strflags, + int flags, int key); +extern int scsi_dev_info_add_list(int key, const char *name); +extern int scsi_dev_info_remove_list(int key); + extern int __init scsi_init_devinfo(void); extern void scsi_exit_devinfo(void); @@ -71,7 +87,6 @@ extern int scsi_init_queue(void); extern void scsi_exit_queue(void); struct request_queue; struct request; -extern int scsi_prep_fn(struct request_queue *, struct request *); extern struct kmem_cache *scsi_sdb_cache; /* scsi_proc.c */ diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index fa4711d12744..91482f2dcc50 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -420,29 +420,12 @@ static int scsi_bus_resume(struct device * dev) return err; } -static int scsi_bus_remove(struct device *dev) -{ - struct device_driver *drv = dev->driver; - struct scsi_device *sdev = to_scsi_device(dev); - int err = 0; - - /* reset the prep_fn back to the default since the - * driver may have altered it and it's being removed */ - blk_queue_prep_rq(sdev->request_queue, scsi_prep_fn); - - if (drv && drv->remove) - err = drv->remove(dev); - - return 0; -} - struct bus_type scsi_bus_type = { .name = "scsi", .match = scsi_bus_match, .uevent = scsi_bus_uevent, .suspend = scsi_bus_suspend, .resume = scsi_bus_resume, - .remove = scsi_bus_remove, }; EXPORT_SYMBOL_GPL(scsi_bus_type); diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index 3f64d93b6c8b..292c02f810d0 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -3397,7 +3397,6 @@ fc_destroy_bsgjob(struct fc_bsg_job *job) kfree(job); } - /** * fc_bsg_jobdone - completion routine for bsg requests that the LLD has * completed @@ -3408,15 +3407,10 @@ fc_bsg_jobdone(struct fc_bsg_job *job) { struct request *req = job->req; struct request *rsp = req->next_rq; - unsigned long flags; int err; - spin_lock_irqsave(&job->job_lock, flags); - job->state_flags |= FC_RQST_STATE_DONE; - job->ref_cnt--; - spin_unlock_irqrestore(&job->job_lock, flags); - err = job->req->errors = job->reply->result; + if (err < 0) /* we're only returning the result field in the reply */ job->req->sense_len = sizeof(uint32_t); @@ -3433,13 +3427,27 @@ fc_bsg_jobdone(struct fc_bsg_job *job) rsp->resid_len -= min(job->reply->reply_payload_rcv_len, rsp->resid_len); } + blk_complete_request(req); +} + +/** + * fc_bsg_softirq_done - softirq done routine for destroying the bsg requests + * @req: BSG request that holds the job to be destroyed + */ +static void fc_bsg_softirq_done(struct request *rq) +{ + struct fc_bsg_job *job = rq->special; + unsigned long flags; - blk_end_request_all(req, err); + spin_lock_irqsave(&job->job_lock, flags); + job->state_flags |= FC_RQST_STATE_DONE; + job->ref_cnt--; + spin_unlock_irqrestore(&job->job_lock, flags); + blk_end_request_all(rq, rq->errors); fc_destroy_bsgjob(job); } - /** * fc_bsg_job_timeout - handler for when a bsg request timesout * @req: request that timed out @@ -3471,19 +3479,13 @@ fc_bsg_job_timeout(struct request *req) "abort failed with status %d\n", err); } - if (!done) { - spin_lock_irqsave(&job->job_lock, flags); - job->ref_cnt--; - spin_unlock_irqrestore(&job->job_lock, flags); - fc_destroy_bsgjob(job); - } - /* the blk_end_sync_io() doesn't check the error */ - return BLK_EH_HANDLED; + if (done) + return BLK_EH_NOT_HANDLED; + else + return BLK_EH_HANDLED; } - - static int fc_bsg_map_buffer(struct fc_bsg_buffer *buf, struct request *req) { @@ -3668,13 +3670,14 @@ static void fc_bsg_goose_queue(struct fc_rport *rport) { int flagset; + unsigned long flags; if (!rport->rqst_q) return; get_device(&rport->dev); - spin_lock(rport->rqst_q->queue_lock); + spin_lock_irqsave(rport->rqst_q->queue_lock, flags); flagset = test_bit(QUEUE_FLAG_REENTER, &rport->rqst_q->queue_flags) && !test_bit(QUEUE_FLAG_REENTER, &rport->rqst_q->queue_flags); if (flagset) @@ -3682,7 +3685,7 @@ fc_bsg_goose_queue(struct fc_rport *rport) __blk_run_queue(rport->rqst_q); if (flagset) queue_flag_clear(QUEUE_FLAG_REENTER, rport->rqst_q); - spin_unlock(rport->rqst_q->queue_lock); + spin_unlock_irqrestore(rport->rqst_q->queue_lock, flags); put_device(&rport->dev); } @@ -3859,7 +3862,7 @@ fc_bsg_hostadd(struct Scsi_Host *shost, struct fc_host_attrs *fc_host) struct fc_internal *i = to_fc_internal(shost->transportt); struct request_queue *q; int err; - char bsg_name[BUS_ID_SIZE]; /*20*/ + char bsg_name[20]; fc_host->rqst_q = NULL; @@ -3879,6 +3882,7 @@ fc_bsg_hostadd(struct Scsi_Host *shost, struct fc_host_attrs *fc_host) q->queuedata = shost; queue_flag_set_unlocked(QUEUE_FLAG_BIDI, q); + blk_queue_softirq_done(q, fc_bsg_softirq_done); blk_queue_rq_timed_out(q, fc_bsg_job_timeout); blk_queue_rq_timeout(q, FC_DEFAULT_BSG_TIMEOUT); @@ -3924,6 +3928,7 @@ fc_bsg_rportadd(struct Scsi_Host *shost, struct fc_rport *rport) q->queuedata = rport; queue_flag_set_unlocked(QUEUE_FLAG_BIDI, q); + blk_queue_softirq_done(q, fc_bsg_softirq_done); blk_queue_rq_timed_out(q, fc_bsg_job_timeout); blk_queue_rq_timeout(q, BLK_DEFAULT_SG_TIMEOUT); diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index f3e664628d7a..b47240ca4b19 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -692,6 +692,7 @@ int iscsi_add_session(struct iscsi_cls_session *session, unsigned int target_id) "Too many iscsi targets. Max " "number of targets is %d.\n", ISCSI_MAX_TARGET - 1); + err = -EOVERFLOW; goto release_host; } } @@ -989,7 +990,7 @@ int iscsi_offload_mesg(struct Scsi_Host *shost, struct iscsi_uevent *ev; int len = NLMSG_SPACE(sizeof(*ev) + data_size); - skb = alloc_skb(len, GFP_NOIO); + skb = alloc_skb(len, GFP_ATOMIC); if (!skb) { printk(KERN_ERR "can not deliver iscsi offload message:OOM\n"); return -ENOMEM; @@ -1011,7 +1012,7 @@ int iscsi_offload_mesg(struct Scsi_Host *shost, memcpy((char *)ev + sizeof(*ev), data, data_size); - return iscsi_multicast_skb(skb, ISCSI_NL_GRP_UIP, GFP_NOIO); + return iscsi_multicast_skb(skb, ISCSI_NL_GRP_UIP, GFP_ATOMIC); } EXPORT_SYMBOL_GPL(iscsi_offload_mesg); diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c index d606452297cf..0895d3c71b03 100644 --- a/drivers/scsi/scsi_transport_sas.c +++ b/drivers/scsi/scsi_transport_sas.c @@ -173,9 +173,9 @@ static void sas_smp_request(struct request_queue *q, struct Scsi_Host *shost, ret = handler(shost, rphy, req); req->errors = ret; - spin_lock_irq(q->queue_lock); + blk_end_request_all(req, ret); - req->end_io(req, ret); + spin_lock_irq(q->queue_lock); } } diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c index 654a34fb04cb..c25bd9a34e02 100644 --- a/drivers/scsi/scsi_transport_spi.c +++ b/drivers/scsi/scsi_transport_spi.c @@ -46,6 +46,22 @@ #define DV_RETRIES 3 /* should only need at most * two cc/ua clears */ +/* Our blacklist flags */ +enum { + SPI_BLIST_NOIUS = 0x1, +}; + +/* blacklist table, modelled on scsi_devinfo.c */ +static struct { + char *vendor; + char *model; + unsigned flags; +} spi_static_device_list[] __initdata = { + {"HP", "Ultrium 3-SCSI", SPI_BLIST_NOIUS }, + {"IBM", "ULTRIUM-TD3", SPI_BLIST_NOIUS }, + {NULL, NULL, 0} +}; + /* Private data accessors (keep these out of the header file) */ #define spi_dv_in_progress(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_in_progress) #define spi_dv_mutex(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_mutex) @@ -207,6 +223,9 @@ static int spi_device_configure(struct transport_container *tc, { struct scsi_device *sdev = to_scsi_device(dev); struct scsi_target *starget = sdev->sdev_target; + unsigned bflags = scsi_get_device_flags_keyed(sdev, &sdev->inquiry[8], + &sdev->inquiry[16], + SCSI_DEVINFO_SPI); /* Populate the target capability fields with the values * gleaned from the device inquiry */ @@ -216,6 +235,10 @@ static int spi_device_configure(struct transport_container *tc, spi_support_dt(starget) = scsi_device_dt(sdev); spi_support_dt_only(starget) = scsi_device_dt_only(sdev); spi_support_ius(starget) = scsi_device_ius(sdev); + if (bflags & SPI_BLIST_NOIUS) { + dev_info(dev, "Information Units disabled by blacklist\n"); + spi_support_ius(starget) = 0; + } spi_support_qas(starget) = scsi_device_qas(sdev); return 0; @@ -833,7 +856,7 @@ spi_dv_device_internal(struct scsi_device *sdev, u8 *buffer) return; } - if (!scsi_device_wide(sdev)) { + if (!spi_support_wide(starget)) { spi_max_width(starget) = 0; max_width = 0; } @@ -860,7 +883,7 @@ spi_dv_device_internal(struct scsi_device *sdev, u8 *buffer) return; /* device can't handle synchronous */ - if (!scsi_device_sync(sdev) && !scsi_device_dt(sdev)) + if (!spi_support_sync(starget) && !spi_support_dt(starget)) return; /* len == -1 is the signal that we need to ascertain the @@ -876,13 +899,14 @@ spi_dv_device_internal(struct scsi_device *sdev, u8 *buffer) /* try QAS requests; this should be harmless to set if the * target supports it */ - if (scsi_device_qas(sdev) && spi_max_qas(starget)) { + if (spi_support_qas(starget) && spi_max_qas(starget)) { DV_SET(qas, 1); } else { DV_SET(qas, 0); } - if (scsi_device_ius(sdev) && spi_max_iu(starget) && min_period < 9) { + if (spi_support_ius(starget) && spi_max_iu(starget) && + min_period < 9) { /* This u320 (or u640). Set IU transfers */ DV_SET(iu, 1); /* Then set the optional parameters */ @@ -902,7 +926,7 @@ spi_dv_device_internal(struct scsi_device *sdev, u8 *buffer) i->f->get_signalling(shost); if (spi_signalling(shost) == SPI_SIGNAL_SE || spi_signalling(shost) == SPI_SIGNAL_HVD || - !scsi_device_dt(sdev)) { + !spi_support_dt(starget)) { DV_SET(dt, 0); } else { DV_SET(dt, 1); @@ -1523,7 +1547,21 @@ EXPORT_SYMBOL(spi_release_transport); static __init int spi_transport_init(void) { - int error = transport_class_register(&spi_transport_class); + int error = scsi_dev_info_add_list(SCSI_DEVINFO_SPI, + "SCSI Parallel Transport Class"); + if (!error) { + int i; + + for (i = 0; spi_static_device_list[i].vendor; i++) + scsi_dev_info_list_add_keyed(1, /* compatible */ + spi_static_device_list[i].vendor, + spi_static_device_list[i].model, + NULL, + spi_static_device_list[i].flags, + SCSI_DEVINFO_SPI); + } + + error = transport_class_register(&spi_transport_class); if (error) return error; error = anon_transport_class_register(&spi_device_class); @@ -1535,6 +1573,7 @@ static void __exit spi_transport_exit(void) transport_class_unregister(&spi_transport_class); anon_transport_class_unregister(&spi_device_class); transport_class_unregister(&spi_host_class); + scsi_dev_info_remove_list(SCSI_DEVINFO_SPI); } MODULE_AUTHOR("Martin Hicks"); diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 878b17a9af30..b7b9fec67a98 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1307,6 +1307,7 @@ static int read_capacity_16(struct scsi_disk *sdkp, struct scsi_device *sdp, int sense_valid = 0; int the_result; int retries = 3; + unsigned int alignment; unsigned long long lba; unsigned sector_size; @@ -1358,6 +1359,16 @@ static int read_capacity_16(struct scsi_disk *sdkp, struct scsi_device *sdp, return -EOVERFLOW; } + /* Logical blocks per physical block exponent */ + sdkp->hw_sector_size = (1 << (buffer[13] & 0xf)) * sector_size; + + /* Lowest aligned logical block */ + alignment = ((buffer[14] & 0x3f) << 8 | buffer[15]) * sector_size; + blk_queue_alignment_offset(sdp->request_queue, alignment); + if (alignment && sdkp->first_scan) + sd_printk(KERN_NOTICE, sdkp, + "physical block alignment offset: %u\n", alignment); + sdkp->capacity = lba + 1; return sector_size; } @@ -1409,6 +1420,7 @@ static int read_capacity_10(struct scsi_disk *sdkp, struct scsi_device *sdp, } sdkp->capacity = lba + 1; + sdkp->hw_sector_size = sector_size; return sector_size; } @@ -1521,11 +1533,17 @@ got_data: string_get_size(sz, STRING_UNITS_10, cap_str_10, sizeof(cap_str_10)); - if (sdkp->first_scan || old_capacity != sdkp->capacity) + if (sdkp->first_scan || old_capacity != sdkp->capacity) { sd_printk(KERN_NOTICE, sdkp, - "%llu %d-byte hardware sectors: (%s/%s)\n", + "%llu %d-byte logical blocks: (%s/%s)\n", (unsigned long long)sdkp->capacity, sector_size, cap_str_10, cap_str_2); + + if (sdkp->hw_sector_size != sector_size) + sd_printk(KERN_NOTICE, sdkp, + "%u-byte physical blocks\n", + sdkp->hw_sector_size); + } } /* Rescale capacity to 512-byte units */ @@ -1538,6 +1556,7 @@ got_data: else if (sector_size == 256) sdkp->capacity >>= 1; + blk_queue_physical_block_size(sdp->request_queue, sdkp->hw_sector_size); sdkp->device->sector_size = sector_size; } @@ -1776,6 +1795,64 @@ void sd_read_app_tag_own(struct scsi_disk *sdkp, unsigned char *buffer) } /** + * sd_read_block_limits - Query disk device for preferred I/O sizes. + * @disk: disk to query + */ +static void sd_read_block_limits(struct scsi_disk *sdkp) +{ + unsigned int sector_sz = sdkp->device->sector_size; + char *buffer; + + /* Block Limits VPD */ + buffer = scsi_get_vpd_page(sdkp->device, 0xb0); + + if (buffer == NULL) + return; + + blk_queue_io_min(sdkp->disk->queue, + get_unaligned_be16(&buffer[6]) * sector_sz); + blk_queue_io_opt(sdkp->disk->queue, + get_unaligned_be32(&buffer[12]) * sector_sz); + + kfree(buffer); +} + +/** + * sd_read_block_characteristics - Query block dev. characteristics + * @disk: disk to query + */ +static void sd_read_block_characteristics(struct scsi_disk *sdkp) +{ + char *buffer; + u16 rot; + + /* Block Device Characteristics VPD */ + buffer = scsi_get_vpd_page(sdkp->device, 0xb1); + + if (buffer == NULL) + return; + + rot = get_unaligned_be16(&buffer[4]); + + if (rot == 1) + queue_flag_set_unlocked(QUEUE_FLAG_NONROT, sdkp->disk->queue); + + kfree(buffer); +} + +static int sd_try_extended_inquiry(struct scsi_device *sdp) +{ + /* + * Although VPD inquiries can go to SCSI-2 type devices, + * some USB ones crash on receiving them, and the pages + * we currently ask for are for SPC-3 and beyond + */ + if (sdp->scsi_level > SCSI_SPC_2) + return 1; + return 0; +} + +/** * sd_revalidate_disk - called the first time a new disk is seen, * performs disk spin up, read_capacity, etc. * @disk: struct gendisk we care about @@ -1812,6 +1889,12 @@ static int sd_revalidate_disk(struct gendisk *disk) */ if (sdkp->media_present) { sd_read_capacity(sdkp, buffer); + + if (sd_try_extended_inquiry(sdp)) { + sd_read_block_limits(sdkp); + sd_read_block_characteristics(sdkp); + } + sd_read_write_protect_flag(sdkp, buffer); sd_read_cache_type(sdkp, buffer); sd_read_app_tag_own(sdkp, buffer); @@ -1934,6 +2017,8 @@ static void sd_probe_async(void *data, async_cookie_t cookie) add_disk(gd); sd_dif_config_host(sdkp); + sd_revalidate_disk(gd); + sd_printk(KERN_NOTICE, sdkp, "Attached SCSI %sdisk\n", sdp->removable ? "removable " : ""); } @@ -2054,6 +2139,7 @@ static int sd_remove(struct device *dev) async_synchronize_full(); sdkp = dev_get_drvdata(dev); + blk_queue_prep_rq(sdkp->device->request_queue, scsi_prep_fn); device_del(&sdkp->dev); del_gendisk(sdkp->disk); sd_shutdown(dev); diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h index 708778cf5f06..8474b5bad3fe 100644 --- a/drivers/scsi/sd.h +++ b/drivers/scsi/sd.h @@ -45,6 +45,7 @@ struct scsi_disk { unsigned int openers; /* protected by BKL for now, yuck */ sector_t capacity; /* size in 512-byte sectors */ u32 index; + unsigned short hw_sector_size; u8 media_present; u8 write_prot; u8 protection_type;/* Data Integrity Field */ diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 8201387b4daa..9230402c45af 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -210,13 +210,11 @@ static void sg_put_dev(Sg_device *sdp); static int sg_allow_access(struct file *filp, unsigned char *cmd) { struct sg_fd *sfp = (struct sg_fd *)filp->private_data; - struct request_queue *q = sfp->parentdp->device->request_queue; if (sfp->parentdp->device->type == TYPE_SCANNER) return 0; - return blk_verify_command(&q->cmd_filter, - cmd, filp->f_mode & FMODE_WRITE); + return blk_verify_command(cmd, filp->f_mode & FMODE_WRITE); } static int @@ -621,7 +619,7 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos) if (strcmp(current->comm, cmd) && printk_ratelimit()) { printk(KERN_WARNING "sg_write: data in/out %d/%d bytes for SCSI command 0x%x--" - "guessing data in;\n" KERN_WARNING " " + "guessing data in;\n " "program %s not setting count and/or reply_len properly\n", old_hdr.reply_len - (int)SZ_SG_HEADER, input_size, (unsigned int) cmnd[0], @@ -1658,6 +1656,10 @@ static int sg_start_req(Sg_request *srp, unsigned char *cmd) md->nr_entries = req_schp->k_use_sg; md->offset = 0; md->null_mapped = hp->dxferp ? 0 : 1; + if (dxfer_dir == SG_DXFER_TO_FROM_DEV) + md->from_user = 1; + else + md->from_user = 0; } if (iov_count) { diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index cd350dfc1216..cce0fe4c8a3b 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -881,6 +881,7 @@ static int sr_remove(struct device *dev) { struct scsi_cd *cd = dev_get_drvdata(dev); + blk_queue_prep_rq(cd->device->request_queue, scsi_prep_fn); del_gendisk(cd->disk); mutex_lock(&sr_ref_mutex); diff --git a/drivers/scsi/sun3_NCR5380.c b/drivers/scsi/sun3_NCR5380.c index bcaba86060ab..75da6e58ce55 100644 --- a/drivers/scsi/sun3_NCR5380.c +++ b/drivers/scsi/sun3_NCR5380.c @@ -2860,8 +2860,7 @@ static int NCR5380_abort(struct scsi_cmnd *cmd) */ local_irq_restore(flags); - printk(KERN_INFO "scsi%d: warning : SCSI command probably completed successfully\n" - KERN_INFO " before abortion\n", HOSTNO); + printk(KERN_INFO "scsi%d: warning : SCSI command probably completed successfully before abortion\n", HOSTNO); return SCSI_ABORT_NOT_RUNNING; } diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c index 69ad4945c936..297deb817a5d 100644 --- a/drivers/scsi/sym53c8xx_2/sym_hipd.c +++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c @@ -2321,8 +2321,9 @@ static void sym_int_par (struct sym_hcb *np, u_short sist) int phase = cmd & 7; struct sym_ccb *cp = sym_ccb_from_dsa(np, dsa); - printf("%s: SCSI parity error detected: SCR1=%d DBC=%x SBCL=%x\n", - sym_name(np), hsts, dbc, sbcl); + if (printk_ratelimit()) + printf("%s: SCSI parity error detected: SCR1=%d DBC=%x SBCL=%x\n", + sym_name(np), hsts, dbc, sbcl); /* * Check that the chip is connected to the SCSI BUS. diff --git a/drivers/scsi/zalon.c b/drivers/scsi/zalon.c index 97f3158fa7b5..27e84e4b1fa9 100644 --- a/drivers/scsi/zalon.c +++ b/drivers/scsi/zalon.c @@ -134,7 +134,7 @@ zalon_probe(struct parisc_device *dev) host = ncr_attach(&zalon7xx_template, unit, &device); if (!host) - goto fail; + return -ENODEV; if (request_irq(dev->irq, ncr53c8xx_intr, IRQF_SHARED, "zalon", host)) { dev_printk(KERN_ERR, &dev->dev, "irq problem with %d, detaching\n ", |