diff options
Diffstat (limited to 'drivers/s390')
-rw-r--r-- | drivers/s390/block/dasd.c | 5 | ||||
-rw-r--r-- | drivers/s390/char/sclp_cmd.c | 3 | ||||
-rw-r--r-- | drivers/s390/char/tape_block.c | 6 | ||||
-rw-r--r-- | drivers/s390/char/tape_core.c | 8 | ||||
-rw-r--r-- | drivers/s390/cio/device.c | 4 | ||||
-rw-r--r-- | drivers/s390/cio/qdio_debug.c | 19 | ||||
-rw-r--r-- | drivers/s390/cio/qdio_main.c | 1 | ||||
-rw-r--r-- | drivers/s390/kvm/kvm_virtio.c | 4 | ||||
-rw-r--r-- | drivers/s390/net/qeth_core_main.c | 3 | ||||
-rw-r--r-- | drivers/s390/net/qeth_l2_main.c | 27 | ||||
-rw-r--r-- | drivers/s390/net/qeth_l3_main.c | 13 | ||||
-rw-r--r-- | drivers/s390/net/qeth_l3_sys.c | 7 | ||||
-rw-r--r-- | drivers/s390/scsi/zfcp_aux.c | 3 | ||||
-rw-r--r-- | drivers/s390/scsi/zfcp_ccw.c | 4 | ||||
-rw-r--r-- | drivers/s390/scsi/zfcp_dbf.c | 42 | ||||
-rw-r--r-- | drivers/s390/scsi/zfcp_dbf.h | 8 | ||||
-rw-r--r-- | drivers/s390/scsi/zfcp_erp.c | 8 | ||||
-rw-r--r-- | drivers/s390/scsi/zfcp_fc.c | 7 | ||||
-rw-r--r-- | drivers/s390/scsi/zfcp_fsf.c | 43 | ||||
-rw-r--r-- | drivers/s390/scsi/zfcp_scsi.c | 14 |
20 files changed, 101 insertions, 128 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 4b76fca64a6..363bd1303d2 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -1746,6 +1746,11 @@ restart: goto restart; } + /* log sense for fatal error */ + if (cqr->status == DASD_CQR_FAILED) { + dasd_log_sense(cqr, &cqr->irb); + } + /* First of all call extended error reporting. */ if (dasd_eer_enabled(base) && cqr->status == DASD_CQR_FAILED) { diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c index eb5f1b8bc57..ec9c0bcf66e 100644 --- a/drivers/s390/char/sclp_cmd.c +++ b/drivers/s390/char/sclp_cmd.c @@ -324,6 +324,9 @@ static int do_assign_storage(sclp_cmdw_t cmd, u16 rn) case 0x0120: break; default: + pr_warning("assign storage failed (cmd=0x%08x, " + "response=0x%04x, rn=0x%04x)\n", cmd, + sccb->header.response_code, rn); rc = -EIO; break; } diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c index 023803dbb0c..ae18baf59f0 100644 --- a/drivers/s390/char/tape_block.c +++ b/drivers/s390/char/tape_block.c @@ -76,7 +76,7 @@ tapeblock_trigger_requeue(struct tape_device *device) static void tapeblock_end_request(struct request *req, int error) { - if (__blk_end_request(req, error, blk_rq_bytes(req))) + if (blk_end_request(req, error, blk_rq_bytes(req))) BUG(); } @@ -166,7 +166,7 @@ tapeblock_requeue(struct work_struct *work) { nr_queued++; spin_unlock(get_ccwdev_lock(device->cdev)); - spin_lock(&device->blk_data.request_queue_lock); + spin_lock_irq(&device->blk_data.request_queue_lock); while ( !blk_queue_plugged(queue) && elv_next_request(queue) && @@ -176,7 +176,9 @@ tapeblock_requeue(struct work_struct *work) { if (rq_data_dir(req) == WRITE) { DBF_EVENT(1, "TBLOCK: Rejecting write request\n"); blkdev_dequeue_request(req); + spin_unlock_irq(&device->blk_data.request_queue_lock); tapeblock_end_request(req, -EIO); + spin_lock_irq(&device->blk_data.request_queue_lock); continue; } blkdev_dequeue_request(req); diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c index d7073dbf825..f9bb51fa7f5 100644 --- a/drivers/s390/char/tape_core.c +++ b/drivers/s390/char/tape_core.c @@ -1200,7 +1200,7 @@ tape_open(struct tape_device *device) { int rc; - spin_lock(get_ccwdev_lock(device->cdev)); + spin_lock_irq(get_ccwdev_lock(device->cdev)); if (device->tape_state == TS_NOT_OPER) { DBF_EVENT(6, "TAPE:nodev\n"); rc = -ENODEV; @@ -1218,7 +1218,7 @@ tape_open(struct tape_device *device) tape_state_set(device, TS_IN_USE); rc = 0; } - spin_unlock(get_ccwdev_lock(device->cdev)); + spin_unlock_irq(get_ccwdev_lock(device->cdev)); return rc; } @@ -1228,11 +1228,11 @@ tape_open(struct tape_device *device) int tape_release(struct tape_device *device) { - spin_lock(get_ccwdev_lock(device->cdev)); + spin_lock_irq(get_ccwdev_lock(device->cdev)); if (device->tape_state == TS_IN_USE) tape_state_set(device, TS_UNUSED); module_put(device->discipline->owner); - spin_unlock(get_ccwdev_lock(device->cdev)); + spin_unlock_irq(get_ccwdev_lock(device->cdev)); return 0; } diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 4e78c82194b..4e4008325e2 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -874,11 +874,15 @@ void ccw_device_move_to_orphanage(struct work_struct *work) replacing_cdev = get_disc_ccwdev_by_dev_id(&dev_id, cdev); if (replacing_cdev) { sch_attach_disconnected_device(sch, replacing_cdev); + /* Release reference from get_disc_ccwdev_by_dev_id() */ + put_device(&cdev->dev); return; } replacing_cdev = get_orphaned_ccwdev_by_dev_id(css, &dev_id); if (replacing_cdev) { sch_attach_orphaned_device(sch, replacing_cdev); + /* Release reference from get_orphaned_ccwdev_by_dev_id() */ + put_device(&cdev->dev); return; } sch_create_and_recog_new_device(sch); diff --git a/drivers/s390/cio/qdio_debug.c b/drivers/s390/cio/qdio_debug.c index b5390821434..f05590355be 100644 --- a/drivers/s390/cio/qdio_debug.c +++ b/drivers/s390/cio/qdio_debug.c @@ -20,6 +20,7 @@ static struct dentry *debugfs_root; #define MAX_DEBUGFS_QUEUES 32 static struct dentry *debugfs_queues[MAX_DEBUGFS_QUEUES] = { NULL }; static DEFINE_MUTEX(debugfs_mutex); +#define QDIO_DEBUGFS_NAME_LEN 40 void qdio_allocate_do_dbf(struct qdio_initialize *init_data) { @@ -152,17 +153,6 @@ static int qstat_seq_open(struct inode *inode, struct file *filp) filp->f_path.dentry->d_inode->i_private); } -static void get_queue_name(struct qdio_q *q, struct ccw_device *cdev, char *name) -{ - memset(name, 0, sizeof(name)); - sprintf(name, "%s", dev_name(&cdev->dev)); - if (q->is_input_q) - sprintf(name + strlen(name), "_input"); - else - sprintf(name + strlen(name), "_output"); - sprintf(name + strlen(name), "_%d", q->nr); -} - static void remove_debugfs_entry(struct qdio_q *q) { int i; @@ -189,14 +179,17 @@ static struct file_operations debugfs_fops = { static void setup_debugfs_entry(struct qdio_q *q, struct ccw_device *cdev) { int i = 0; - char name[40]; + char name[QDIO_DEBUGFS_NAME_LEN]; while (debugfs_queues[i] != NULL) { i++; if (i >= MAX_DEBUGFS_QUEUES) return; } - get_queue_name(q, cdev, name); + snprintf(name, QDIO_DEBUGFS_NAME_LEN, "%s_%s_%d", + dev_name(&cdev->dev), + q->is_input_q ? "input" : "output", + q->nr); debugfs_queues[i] = debugfs_create_file(name, S_IFREG | S_IRUGO | S_IWUSR, debugfs_root, q, &debugfs_fops); } diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index a50682d2a0f..7c865915199 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -1083,7 +1083,6 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm, case -EIO: sprintf(dbf_text, "ierr%4x", irq_ptr->schid.sch_no); QDIO_DBF_TEXT2(1, setup, dbf_text); - qdio_int_error(cdev); return; case -ETIMEDOUT: sprintf(dbf_text, "qtoh%4x", irq_ptr->schid.sch_no); diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/kvm/kvm_virtio.c index ff4a6931bb8..3d442444c61 100644 --- a/drivers/s390/kvm/kvm_virtio.c +++ b/drivers/s390/kvm/kvm_virtio.c @@ -322,13 +322,13 @@ static int __init kvm_devices_init(void) return rc; } - rc = vmem_add_mapping(PFN_PHYS(max_pfn), PAGE_SIZE); + rc = vmem_add_mapping(real_memory_size, PAGE_SIZE); if (rc) { s390_root_dev_unregister(kvm_root); return rc; } - kvm_devices = (void *) PFN_PHYS(max_pfn); + kvm_devices = (void *) real_memory_size; ctl_set_bit(0, 9); register_external_interrupt(0x2603, kvm_extint_handler); diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 7de410d5be4..52d26592c72 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -3025,7 +3025,7 @@ static inline void __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer, int is_tso, int *next_element_to_fill, int offset) { - int length = skb->len - offset; + int length = skb->len; int length_here; int element; char *data; @@ -3037,6 +3037,7 @@ static inline void __qeth_fill_buffer(struct sk_buff *skb, if (offset >= 0) { data = skb->data + offset; + length -= offset; first_lap = 0; } diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 955ba7a31b9..1b1e80336d2 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -373,8 +373,6 @@ static int qeth_l2_stop_card(struct qeth_card *card, int recovery_mode) QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); qeth_set_allowed_threads(card, 0, 1); - if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)) - return -ERESTARTSYS; if (card->read.state == CH_STATE_UP && card->write.state == CH_STATE_UP && (card->state == CARD_STATE_UP)) { @@ -451,12 +449,15 @@ static void qeth_l2_process_inbound_buffer(struct qeth_card *card, netif_rx(skb); break; case QETH_HEADER_TYPE_OSN: - skb_push(skb, sizeof(struct qeth_hdr)); - skb_copy_to_linear_data(skb, hdr, + if (card->info.type == QETH_CARD_TYPE_OSN) { + skb_push(skb, sizeof(struct qeth_hdr)); + skb_copy_to_linear_data(skb, hdr, sizeof(struct qeth_hdr)); - len = skb->len; - card->osn_info.data_cb(skb); - break; + len = skb->len; + card->osn_info.data_cb(skb); + break; + } + /* else unknown */ default: dev_kfree_skb_any(skb); QETH_DBF_TEXT(TRACE, 3, "inbunkno"); @@ -975,12 +976,6 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode) QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1); - if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)) { - PRINT_WARN("set_online of card %s interrupted by user!\n", - CARD_BUS_ID(card)); - return -ERESTARTSYS; - } - recover_flag = card->state; rc = ccw_device_set_online(CARD_RDEV(card)); if (rc) { @@ -1091,11 +1086,7 @@ static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev, if (card->dev && netif_carrier_ok(card->dev)) netif_carrier_off(card->dev); recover_flag = card->state; - if (qeth_l2_stop_card(card, recovery_mode) == -ERESTARTSYS) { - PRINT_WARN("Stopping card %s interrupted by user!\n", - CARD_BUS_ID(card)); - return -ERESTARTSYS; - } + qeth_l2_stop_card(card, recovery_mode); rc = ccw_device_set_offline(CARD_DDEV(card)); rc2 = ccw_device_set_offline(CARD_WDEV(card)); rc3 = ccw_device_set_offline(CARD_RDEV(card)); diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 99547dea44d..ed59fedd592 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -2064,8 +2064,6 @@ static int qeth_l3_stop_card(struct qeth_card *card, int recovery_mode) QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); qeth_set_allowed_threads(card, 0, 1); - if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)) - return -ERESTARTSYS; if (card->read.state == CH_STATE_UP && card->write.state == CH_STATE_UP && (card->state == CARD_STATE_UP)) { @@ -3049,11 +3047,6 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode) QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1); - if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)) { - PRINT_WARN("set_online of card %s interrupted by user!\n", - CARD_BUS_ID(card)); - return -ERESTARTSYS; - } recover_flag = card->state; rc = ccw_device_set_online(CARD_RDEV(card)); @@ -3170,11 +3163,7 @@ static int __qeth_l3_set_offline(struct ccwgroup_device *cgdev, if (card->dev && netif_carrier_ok(card->dev)) netif_carrier_off(card->dev); recover_flag = card->state; - if (qeth_l3_stop_card(card, recovery_mode) == -ERESTARTSYS) { - PRINT_WARN("Stopping card %s interrupted by user!\n", - CARD_BUS_ID(card)); - return -ERESTARTSYS; - } + qeth_l3_stop_card(card, recovery_mode); rc = ccw_device_set_offline(CARD_DDEV(card)); rc2 = ccw_device_set_offline(CARD_WDEV(card)); rc3 = ccw_device_set_offline(CARD_RDEV(card)); diff --git a/drivers/s390/net/qeth_l3_sys.c b/drivers/s390/net/qeth_l3_sys.c index 210ddb63974..c144b9924d5 100644 --- a/drivers/s390/net/qeth_l3_sys.c +++ b/drivers/s390/net/qeth_l3_sys.c @@ -121,9 +121,6 @@ static ssize_t qeth_l3_dev_route6_show(struct device *dev, if (!card) return -EINVAL; - if (!qeth_is_supported(card, IPA_IPV6)) - return sprintf(buf, "%s\n", "n/a"); - return qeth_l3_dev_route_show(card, &card->options.route6, buf); } @@ -135,10 +132,6 @@ static ssize_t qeth_l3_dev_route6_store(struct device *dev, if (!card) return -EINVAL; - if (!qeth_is_supported(card, IPA_IPV6)) { - return -EOPNOTSUPP; - } - return qeth_l3_dev_route_store(card, &card->options.route6, QETH_PROT_IPV6, buf, count); } diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index 3b56220fb90..3d4e3e3f3fc 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -610,7 +610,8 @@ struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, u64 wwpn, atomic_set_mask(status | ZFCP_STATUS_COMMON_REMOVE, &port->status); atomic_set(&port->refcount, 0); - dev_set_name(&port->sysfs_device, "0x%016llx", wwpn); + dev_set_name(&port->sysfs_device, "0x%016llx", + (unsigned long long)wwpn); port->sysfs_device.parent = &adapter->ccw_device->dev; port->sysfs_device.release = zfcp_sysfs_port_release; diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c index b04038c7478..951a8d409d1 100644 --- a/drivers/s390/scsi/zfcp_ccw.c +++ b/drivers/s390/scsi/zfcp_ccw.c @@ -116,7 +116,9 @@ static int zfcp_ccw_set_online(struct ccw_device *ccw_device) zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED, 85, NULL); zfcp_erp_wait(adapter); - goto out; + up(&zfcp_data.config_sema); + flush_work(&adapter->scan_work); + return 0; out_scsi_register: zfcp_erp_thread_kill(adapter); diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c index 060f5f2352e..31012d58cfb 100644 --- a/drivers/s390/scsi/zfcp_dbf.c +++ b/drivers/s390/scsi/zfcp_dbf.c @@ -30,7 +30,7 @@ static void zfcp_dbf_hexdump(debug_info_t *dbf, void *to, int to_len, dump->offset = offset; dump->size = min(from_len - offset, room); memcpy(dump->data, from + offset, dump->size); - debug_event(dbf, level, dump, dump->size); + debug_event(dbf, level, dump, dump->size + sizeof(*dump)); } } @@ -108,7 +108,7 @@ static int zfcp_dbf_view_header(debug_info_t *id, struct debug_view *view, t.tv_sec, t.tv_nsec); zfcp_dbf_out(&p, "cpu", "%02i", entry->id.fields.cpuid); } else { - zfcp_dbf_outd(&p, NULL, dump->data, dump->size, dump->offset, + zfcp_dbf_outd(&p, "", dump->data, dump->size, dump->offset, dump->total_size); if ((dump->offset + dump->size) == dump->total_size) p += sprintf(p, "\n"); @@ -366,6 +366,7 @@ static void zfcp_hba_dbf_view_response(char **p, break; zfcp_dbf_out(p, "scsi_cmnd", "0x%0Lx", r->u.fcp.cmnd); zfcp_dbf_out(p, "scsi_serial", "0x%016Lx", r->u.fcp.serial); + p += sprintf(*p, "\n"); break; case FSF_QTCB_OPEN_PORT_WITH_DID: @@ -465,7 +466,8 @@ static int zfcp_hba_dbf_view_format(debug_info_t *id, struct debug_view *view, else if (strncmp(r->tag, "berr", ZFCP_DBF_TAG_SIZE) == 0) zfcp_hba_dbf_view_berr(&p, &r->u.berr); - p += sprintf(p, "\n"); + if (strncmp(r->tag, "resp", ZFCP_DBF_TAG_SIZE) != 0) + p += sprintf(p, "\n"); return p - out_buf; } @@ -880,6 +882,7 @@ void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req) struct ct_hdr *hdr = sg_virt(ct->req); struct zfcp_san_dbf_record *r = &adapter->san_dbf_buf; struct zfcp_san_dbf_record_ct_request *oct = &r->u.ct_req; + int level = 3; unsigned long flags; spin_lock_irqsave(&adapter->san_dbf_lock, flags); @@ -896,9 +899,10 @@ void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req) oct->options = hdr->options; oct->max_res_size = hdr->max_res_size; oct->len = min((int)ct->req->length - (int)sizeof(struct ct_hdr), - ZFCP_DBF_CT_PAYLOAD); - memcpy(oct->payload, (void *)hdr + sizeof(struct ct_hdr), oct->len); - debug_event(adapter->san_dbf, 3, r, sizeof(*r)); + ZFCP_DBF_SAN_MAX_PAYLOAD); + debug_event(adapter->san_dbf, level, r, sizeof(*r)); + zfcp_dbf_hexdump(adapter->san_dbf, r, sizeof(*r), level, + (void *)hdr + sizeof(struct ct_hdr), oct->len); spin_unlock_irqrestore(&adapter->san_dbf_lock, flags); } @@ -914,6 +918,7 @@ void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req) struct ct_hdr *hdr = sg_virt(ct->resp); struct zfcp_san_dbf_record *r = &adapter->san_dbf_buf; struct zfcp_san_dbf_record_ct_response *rct = &r->u.ct_resp; + int level = 3; unsigned long flags; spin_lock_irqsave(&adapter->san_dbf_lock, flags); @@ -929,9 +934,10 @@ void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req) rct->expl = hdr->reason_code_expl; rct->vendor_unique = hdr->vendor_unique; rct->len = min((int)ct->resp->length - (int)sizeof(struct ct_hdr), - ZFCP_DBF_CT_PAYLOAD); - memcpy(rct->payload, (void *)hdr + sizeof(struct ct_hdr), rct->len); - debug_event(adapter->san_dbf, 3, r, sizeof(*r)); + ZFCP_DBF_SAN_MAX_PAYLOAD); + debug_event(adapter->san_dbf, level, r, sizeof(*r)); + zfcp_dbf_hexdump(adapter->san_dbf, r, sizeof(*r), level, + (void *)hdr + sizeof(struct ct_hdr), rct->len); spin_unlock_irqrestore(&adapter->san_dbf_lock, flags); } @@ -954,7 +960,7 @@ static void zfcp_san_dbf_event_els(const char *tag, int level, rec->u.els.ls_code = ls_code; debug_event(adapter->san_dbf, level, rec, sizeof(*rec)); zfcp_dbf_hexdump(adapter->san_dbf, rec, sizeof(*rec), level, - buffer, min(buflen, ZFCP_DBF_ELS_MAX_PAYLOAD)); + buffer, min(buflen, ZFCP_DBF_SAN_MAX_PAYLOAD)); spin_unlock_irqrestore(&adapter->san_dbf_lock, flags); } @@ -1008,8 +1014,6 @@ static int zfcp_san_dbf_view_format(debug_info_t *id, struct debug_view *view, char *out_buf, const char *in_buf) { struct zfcp_san_dbf_record *r = (struct zfcp_san_dbf_record *)in_buf; - char *buffer = NULL; - int buflen = 0, total = 0; char *p = out_buf; if (strncmp(r->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0) @@ -1029,9 +1033,6 @@ static int zfcp_san_dbf_view_format(debug_info_t *id, struct debug_view *view, zfcp_dbf_out(&p, "gs_subtype", "0x%02x", ct->gs_subtype); zfcp_dbf_out(&p, "options", "0x%02x", ct->options); zfcp_dbf_out(&p, "max_res_size", "0x%04x", ct->max_res_size); - total = ct->len; - buffer = ct->payload; - buflen = min(total, ZFCP_DBF_CT_PAYLOAD); } else if (strncmp(r->tag, "rctc", ZFCP_DBF_TAG_SIZE) == 0) { struct zfcp_san_dbf_record_ct_response *ct = &r->u.ct_resp; zfcp_dbf_out(&p, "cmd_rsp_code", "0x%04x", ct->cmd_rsp_code); @@ -1039,23 +1040,12 @@ static int zfcp_san_dbf_view_format(debug_info_t *id, struct debug_view *view, zfcp_dbf_out(&p, "reason_code", "0x%02x", ct->reason_code); zfcp_dbf_out(&p, "reason_code_expl", "0x%02x", ct->expl); zfcp_dbf_out(&p, "vendor_unique", "0x%02x", ct->vendor_unique); - total = ct->len; - buffer = ct->payload; - buflen = min(total, ZFCP_DBF_CT_PAYLOAD); } else if (strncmp(r->tag, "oels", ZFCP_DBF_TAG_SIZE) == 0 || strncmp(r->tag, "rels", ZFCP_DBF_TAG_SIZE) == 0 || strncmp(r->tag, "iels", ZFCP_DBF_TAG_SIZE) == 0) { struct zfcp_san_dbf_record_els *els = &r->u.els; zfcp_dbf_out(&p, "ls_code", "0x%02x", els->ls_code); - total = els->len; - buffer = els->payload; - buflen = min(total, ZFCP_DBF_ELS_PAYLOAD); } - - zfcp_dbf_outd(&p, "payload", buffer, buflen, 0, total); - if (buflen == total) - p += sprintf(p, "\n"); - return p - out_buf; } diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h index e8f450801fe..5d6b2dff855 100644 --- a/drivers/s390/scsi/zfcp_dbf.h +++ b/drivers/s390/scsi/zfcp_dbf.h @@ -163,8 +163,6 @@ struct zfcp_san_dbf_record_ct_request { u8 options; u16 max_res_size; u32 len; -#define ZFCP_DBF_CT_PAYLOAD 24 - u8 payload[ZFCP_DBF_CT_PAYLOAD]; } __attribute__ ((packed)); struct zfcp_san_dbf_record_ct_response { @@ -174,15 +172,11 @@ struct zfcp_san_dbf_record_ct_response { u8 expl; u8 vendor_unique; u32 len; - u8 payload[ZFCP_DBF_CT_PAYLOAD]; } __attribute__ ((packed)); struct zfcp_san_dbf_record_els { u8 ls_code; u32 len; -#define ZFCP_DBF_ELS_PAYLOAD 32 -#define ZFCP_DBF_ELS_MAX_PAYLOAD 1024 - u8 payload[ZFCP_DBF_ELS_PAYLOAD]; } __attribute__ ((packed)); struct zfcp_san_dbf_record { @@ -196,6 +190,8 @@ struct zfcp_san_dbf_record { struct zfcp_san_dbf_record_ct_response ct_resp; struct zfcp_san_dbf_record_els els; } u; +#define ZFCP_DBF_SAN_MAX_PAYLOAD 1024 + u8 payload[32]; } __attribute__ ((packed)); struct zfcp_scsi_dbf_record { diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 9040f738ff3..c557ba34e1a 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -472,6 +472,7 @@ static void zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *act) ZFCP_STATUS_ERP_TIMEDOUT)) { act->fsf_req->status |= ZFCP_STATUS_FSFREQ_DISMISSED; zfcp_rec_dbf_event_action(142, act); + act->fsf_req->erp_action = NULL; } if (act->status & ZFCP_STATUS_ERP_TIMEDOUT) zfcp_rec_dbf_event_action(143, act); @@ -719,7 +720,6 @@ static int zfcp_erp_adapter_strategy_generic(struct zfcp_erp_action *act, goto failed_openfcp; atomic_set_mask(ZFCP_STATUS_COMMON_OPEN, &act->adapter->status); - schedule_work(&act->adapter->scan_work); return ZFCP_ERP_SUCCEEDED; @@ -1185,7 +1185,9 @@ static void zfcp_erp_scsi_scan(struct work_struct *work) container_of(work, struct zfcp_erp_add_work, work); struct zfcp_unit *unit = p->unit; struct fc_rport *rport = unit->port->rport; - scsi_scan_target(&rport->dev, 0, rport->scsi_target_id, + + if (rport && rport->port_state == FC_PORTSTATE_ONLINE) + scsi_scan_target(&rport->dev, 0, rport->scsi_target_id, scsilun_to_int((struct scsi_lun *)&unit->fcp_lun), 0); atomic_clear_mask(ZFCP_STATUS_UNIT_SCSI_WORK_PENDING, &unit->status); zfcp_unit_put(unit); @@ -1281,6 +1283,8 @@ static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result) case ZFCP_ERP_ACTION_REOPEN_ADAPTER: if (result != ZFCP_ERP_SUCCEEDED) zfcp_erp_rports_del(adapter); + else + schedule_work(&adapter->scan_work); zfcp_adapter_put(adapter); break; } diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index 1a7c80a77ff..8aab3091a7b 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -50,7 +50,8 @@ static int zfcp_wka_port_get(struct zfcp_wka_port *wka_port) if (mutex_lock_interruptible(&wka_port->mutex)) return -ERESTARTSYS; - if (wka_port->status != ZFCP_WKA_PORT_ONLINE) { + if (wka_port->status == ZFCP_WKA_PORT_OFFLINE || + wka_port->status == ZFCP_WKA_PORT_CLOSING) { wka_port->status = ZFCP_WKA_PORT_OPENING; if (zfcp_fsf_open_wka_port(wka_port)) wka_port->status = ZFCP_WKA_PORT_OFFLINE; @@ -125,8 +126,7 @@ static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range, read_lock_irqsave(&zfcp_data.config_lock, flags); list_for_each_entry(port, &fsf_req->adapter->port_list_head, list) { - /* FIXME: ZFCP_STATUS_PORT_DID_DID check is racy */ - if (!(atomic_read(&port->status) & ZFCP_STATUS_PORT_DID_DID)) + if (!(atomic_read(&port->status) & ZFCP_STATUS_PORT_PHYS_OPEN)) /* Try to connect to unused ports anyway. */ zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED, @@ -610,7 +610,6 @@ int zfcp_scan_ports(struct zfcp_adapter *adapter) int ret, i; struct zfcp_gpn_ft *gpn_ft; - zfcp_erp_wait(adapter); /* wait until adapter is finished with ERP */ if (fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPORT) return 0; diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 5ae1d497e5e..dc036769040 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -683,6 +683,7 @@ static struct zfcp_fsf_req *zfcp_fsf_alloc_noqtcb(mempool_t *pool) if (!req) return NULL; memset(req, 0, sizeof(*req)); + req->pool = pool; return req; } @@ -769,28 +770,24 @@ static struct zfcp_fsf_req *zfcp_fsf_req_create(struct zfcp_adapter *adapter, static int zfcp_fsf_req_send(struct zfcp_fsf_req *req) { struct zfcp_adapter *adapter = req->adapter; - struct zfcp_qdio_queue *req_q = &adapter->req_q; + unsigned long flags; int idx; /* put allocated FSF request into hash table */ - spin_lock(&adapter->req_list_lock); + spin_lock_irqsave(&adapter->req_list_lock, flags); idx = zfcp_reqlist_hash(req->req_id); list_add_tail(&req->list, &adapter->req_list[idx]); - spin_unlock(&adapter->req_list_lock); + spin_unlock_irqrestore(&adapter->req_list_lock, flags); - req->qdio_outb_usage = atomic_read(&req_q->count); + req->qdio_outb_usage = atomic_read(&adapter->req_q.count); req->issued = get_clock(); if (zfcp_qdio_send(req)) { - /* Queues are down..... */ del_timer(&req->timer); - spin_lock(&adapter->req_list_lock); - zfcp_reqlist_remove(adapter, req); - spin_unlock(&adapter->req_list_lock); - /* undo changes in request queue made for this request */ - atomic_add(req->sbal_number, &req_q->count); - req_q->first -= req->sbal_number; - req_q->first += QDIO_MAX_BUFFERS_PER_Q; - req_q->first %= QDIO_MAX_BUFFERS_PER_Q; /* wrap */ + spin_lock_irqsave(&adapter->req_list_lock, flags); + /* lookup request again, list might have changed */ + if (zfcp_reqlist_find_safe(adapter, req)) + zfcp_reqlist_remove(adapter, req); + spin_unlock_irqrestore(&adapter->req_list_lock, flags); zfcp_erp_adapter_reopen(adapter, 0, 116, req); return -EIO; } @@ -933,8 +930,10 @@ struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long old_req_id, goto out; req = zfcp_fsf_req_create(adapter, FSF_QTCB_ABORT_FCP_CMND, req_flags, adapter->pool.fsf_req_abort); - if (IS_ERR(req)) + if (IS_ERR(req)) { + req = NULL; goto out; + } if (unlikely(!(atomic_read(&unit->status) & ZFCP_STATUS_COMMON_UNBLOCKED))) @@ -1587,6 +1586,7 @@ static void zfcp_fsf_open_wka_port_handler(struct zfcp_fsf_req *req) wka_port->status = ZFCP_WKA_PORT_OFFLINE; break; case FSF_PORT_ALREADY_OPEN: + break; case FSF_GOOD: wka_port->handle = header->port_handle; wka_port->status = ZFCP_WKA_PORT_ONLINE; @@ -2116,18 +2116,21 @@ static inline void zfcp_fsf_trace_latency(struct zfcp_fsf_req *fsf_req) static void zfcp_fsf_send_fcp_command_task_handler(struct zfcp_fsf_req *req) { - struct scsi_cmnd *scpnt = req->data; + struct scsi_cmnd *scpnt; struct fcp_rsp_iu *fcp_rsp_iu = (struct fcp_rsp_iu *) &(req->qtcb->bottom.io.fcp_rsp); u32 sns_len; char *fcp_rsp_info = (unsigned char *) &fcp_rsp_iu[1]; unsigned long flags; - if (unlikely(!scpnt)) - return; - read_lock_irqsave(&req->adapter->abort_lock, flags); + scpnt = req->data; + if (unlikely(!scpnt)) { + read_unlock_irqrestore(&req->adapter->abort_lock, flags); + return; + } + if (unlikely(req->status & ZFCP_STATUS_FSFREQ_ABORTED)) { set_host_byte(scpnt, DID_SOFT_ERROR); set_driver_byte(scpnt, SUGGEST_RETRY); @@ -2445,8 +2448,10 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_adapter *adapter, goto out; req = zfcp_fsf_req_create(adapter, FSF_QTCB_FCP_CMND, req_flags, adapter->pool.fsf_req_scsi); - if (IS_ERR(req)) + if (IS_ERR(req)) { + req = NULL; goto out; + } req->status |= ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT; req->data = unit; diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index ca8f85f3dad..468c880f8b6 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -24,14 +24,10 @@ char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *fcp_rsp_iu) static void zfcp_scsi_slave_destroy(struct scsi_device *sdpnt) { struct zfcp_unit *unit = (struct zfcp_unit *) sdpnt->hostdata; - WARN_ON(!unit); - if (unit) { - atomic_clear_mask(ZFCP_STATUS_UNIT_REGISTERED, &unit->status); - sdpnt->hostdata = NULL; - unit->device = NULL; - zfcp_erp_unit_failed(unit, 12, NULL); - zfcp_unit_put(unit); - } + atomic_clear_mask(ZFCP_STATUS_UNIT_REGISTERED, &unit->status); + unit->device = NULL; + zfcp_erp_unit_failed(unit, 12, NULL); + zfcp_unit_put(unit); } static int zfcp_scsi_slave_configure(struct scsi_device *sdp) @@ -92,7 +88,7 @@ static int zfcp_scsi_queuecommand(struct scsi_cmnd *scpnt, ret = zfcp_fsf_send_fcp_command_task(adapter, unit, scpnt, 0, ZFCP_REQ_AUTO_CLEANUP); if (unlikely(ret == -EBUSY)) - zfcp_scsi_command_fail(scpnt, DID_NO_CONNECT); + return SCSI_MLQUEUE_DEVICE_BUSY; else if (unlikely(ret < 0)) return SCSI_MLQUEUE_HOST_BUSY; |