return ret;
}
+static int srp_new_cm_id(struct srp_target_port *target)
+{
+ struct ib_cm_id *new_cm_id;
+
+ new_cm_id = ib_create_cm_id(target->srp_host->dev->dev,
+ srp_cm_handler, target);
+ if (IS_ERR(new_cm_id))
+ return PTR_ERR(new_cm_id);
+
+ if (target->cm_id)
+ ib_destroy_cm_id(target->cm_id);
+ target->cm_id = new_cm_id;
+
+ return 0;
+}
+
static int srp_create_target_ib(struct srp_target_port *target)
{
struct ib_qp_init_attr *init_attr;
target->status = status;
if (status)
- printk(KERN_ERR PFX "Got failed path rec status %d\n", status);
+ shost_printk(KERN_ERR, target->scsi_host,
+ PFX "Got failed path rec status %d\n", status);
else
target->path = *pathrec;
complete(&target->done);
wait_for_completion(&target->done);
if (target->status < 0)
- printk(KERN_WARNING PFX "Path record query failed\n");
+ shost_printk(KERN_WARNING, target->scsi_host,
+ PFX "Path record query failed\n");
return target->status;
}
* the second 8 bytes to the local node GUID.
*/
if (srp_target_is_topspin(target)) {
- printk(KERN_DEBUG PFX "Topspin/Cisco initiator port ID workaround "
- "activated for target GUID %016llx\n",
- (unsigned long long) be64_to_cpu(target->ioc_guid));
+ shost_printk(KERN_DEBUG, target->scsi_host,
+ PFX "Topspin/Cisco initiator port ID workaround "
+ "activated for target GUID %016llx\n",
+ (unsigned long long) be64_to_cpu(target->ioc_guid));
memset(req->priv.initiator_port_id, 0, 8);
memcpy(req->priv.initiator_port_id + 8,
&target->srp_host->dev->dev->node_guid, 8);
init_completion(&target->done);
if (ib_send_cm_dreq(target->cm_id, NULL, 0)) {
- printk(KERN_DEBUG PFX "Sending CM DREQ failed\n");
+ shost_printk(KERN_DEBUG, target->scsi_host,
+ PFX "Sending CM DREQ failed\n");
return;
}
wait_for_completion(&target->done);
static int srp_connect_target(struct srp_target_port *target)
{
+ int retries = 3;
int ret;
ret = srp_lookup_path(target);
case SRP_DLID_REDIRECT:
break;
+ case SRP_STALE_CONN:
+ /* Our current CM id was stale, and is now in timewait.
+ * Try to reconnect with a new one.
+ */
+ if (!retries-- || srp_new_cm_id(target)) {
+ shost_printk(KERN_ERR, target->scsi_host, PFX
+ "giving up on stale connection\n");
+ target->status = -ECONNRESET;
+ return target->status;
+ }
+
+ shost_printk(KERN_ERR, target->scsi_host, PFX
+ "retrying stale connection\n");
+ break;
+
default:
return target->status;
}
static int srp_reconnect_target(struct srp_target_port *target)
{
- struct ib_cm_id *new_cm_id;
struct ib_qp_attr qp_attr;
struct srp_request *req, *tmp;
struct ib_wc wc;
* Now get a new local CM ID so that we avoid confusing the
* target in case things are really fouled up.
*/
- new_cm_id = ib_create_cm_id(target->srp_host->dev->dev,
- srp_cm_handler, target);
- if (IS_ERR(new_cm_id)) {
- ret = PTR_ERR(new_cm_id);
+ ret = srp_new_cm_id(target);
+ if (ret)
goto err;
- }
- ib_destroy_cm_id(target->cm_id);
- target->cm_id = new_cm_id;
qp_attr.qp_state = IB_QPS_RESET;
ret = ib_modify_qp(target->qp, &qp_attr, IB_QP_STATE);
return ret;
err:
- printk(KERN_ERR PFX "reconnect failed (%d), removing target port.\n", ret);
+ shost_printk(KERN_ERR, target->scsi_host,
+ PFX "reconnect failed (%d), removing target port.\n", ret);
/*
* We couldn't reconnect, so kill our target port off.
if (scmnd->sc_data_direction != DMA_FROM_DEVICE &&
scmnd->sc_data_direction != DMA_TO_DEVICE) {
- printk(KERN_WARNING PFX "Unhandled data direction %d\n",
- scmnd->sc_data_direction);
+ shost_printk(KERN_WARNING, target->scsi_host,
+ PFX "Unhandled data direction %d\n",
+ scmnd->sc_data_direction);
return -EINVAL;
}
} else {
scmnd = req->scmnd;
if (!scmnd)
- printk(KERN_ERR "Null scmnd for RSP w/tag %016llx\n",
- (unsigned long long) rsp->tag);
+ shost_printk(KERN_ERR, target->scsi_host,
+ "Null scmnd for RSP w/tag %016llx\n",
+ (unsigned long long) rsp->tag);
scmnd->result = rsp->status;
if (rsp->flags & SRP_RSP_FLAG_SNSVALID) {
if (0) {
int i;
- printk(KERN_ERR PFX "recv completion, opcode 0x%02x\n", opcode);
+ shost_printk(KERN_ERR, target->scsi_host,
+ PFX "recv completion, opcode 0x%02x\n", opcode);
for (i = 0; i < wc->byte_len; ++i) {
if (i % 8 == 0)
case SRP_T_LOGOUT:
/* XXX Handle target logout */
- printk(KERN_WARNING PFX "Got target logout request\n");
+ shost_printk(KERN_WARNING, target->scsi_host,
+ PFX "Got target logout request\n");
break;
default:
- printk(KERN_WARNING PFX "Unhandled SRP opcode 0x%02x\n", opcode);
+ shost_printk(KERN_WARNING, target->scsi_host,
+ PFX "Unhandled SRP opcode 0x%02x\n", opcode);
break;
}
ib_req_notify_cq(cq, IB_CQ_NEXT_COMP);
while (ib_poll_cq(cq, 1, &wc) > 0) {
if (wc.status) {
- printk(KERN_ERR PFX "failed %s status %d\n",
- wc.wr_id & SRP_OP_RECV ? "receive" : "send",
- wc.status);
+ shost_printk(KERN_ERR, target->scsi_host,
+ PFX "failed %s status %d\n",
+ wc.wr_id & SRP_OP_RECV ? "receive" : "send",
+ wc.status);
target->qp_in_error = 1;
break;
}
len = srp_map_data(scmnd, target, req);
if (len < 0) {
- printk(KERN_ERR PFX "Failed to map data\n");
+ shost_printk(KERN_ERR, target->scsi_host,
+ PFX "Failed to map data\n");
goto err;
}
if (__srp_post_recv(target)) {
- printk(KERN_ERR PFX "Recv failed\n");
+ shost_printk(KERN_ERR, target->scsi_host, PFX "Recv failed\n");
goto err_unmap;
}
DMA_TO_DEVICE);
if (__srp_post_send(target, iu, len)) {
- printk(KERN_ERR PFX "Send failed\n");
+ shost_printk(KERN_ERR, target->scsi_host, PFX "Send failed\n");
goto err_unmap;
}
struct ib_cm_event *event,
struct srp_target_port *target)
{
+ struct Scsi_Host *shost = target->scsi_host;
struct ib_class_port_info *cpi;
int opcode;
memcpy(target->path.dgid.raw,
event->param.rej_rcvd.ari, 16);
- printk(KERN_DEBUG PFX "Topspin/Cisco redirect to target port GID %016llx%016llx\n",
- (unsigned long long) be64_to_cpu(target->path.dgid.global.subnet_prefix),
- (unsigned long long) be64_to_cpu(target->path.dgid.global.interface_id));
+ shost_printk(KERN_DEBUG, shost,
+ PFX "Topspin/Cisco redirect to target port GID %016llx%016llx\n",
+ (unsigned long long) be64_to_cpu(target->path.dgid.global.subnet_prefix),
+ (unsigned long long) be64_to_cpu(target->path.dgid.global.interface_id));
target->status = SRP_PORT_REDIRECT;
} else {
- printk(KERN_WARNING " REJ reason: IB_CM_REJ_PORT_REDIRECT\n");
+ shost_printk(KERN_WARNING, shost,
+ " REJ reason: IB_CM_REJ_PORT_REDIRECT\n");
target->status = -ECONNRESET;
}
break;
case IB_CM_REJ_DUPLICATE_LOCAL_COMM_ID:
- printk(KERN_WARNING " REJ reason: IB_CM_REJ_DUPLICATE_LOCAL_COMM_ID\n");
+ shost_printk(KERN_WARNING, shost,
+ " REJ reason: IB_CM_REJ_DUPLICATE_LOCAL_COMM_ID\n");
target->status = -ECONNRESET;
break;
u32 reason = be32_to_cpu(rej->reason);
if (reason == SRP_LOGIN_REJ_REQ_IT_IU_LENGTH_TOO_LARGE)
- printk(KERN_WARNING PFX
- "SRP_LOGIN_REJ: requested max_it_iu_len too large\n");
+ shost_printk(KERN_WARNING, shost,
+ PFX "SRP_LOGIN_REJ: requested max_it_iu_len too large\n");
else
- printk(KERN_WARNING PFX
- "SRP LOGIN REJECTED, reason 0x%08x\n", reason);
+ shost_printk(KERN_WARNING, shost,
+ PFX "SRP LOGIN REJECTED, reason 0x%08x\n", reason);
} else
- printk(KERN_WARNING " REJ reason: IB_CM_REJ_CONSUMER_DEFINED,"
- " opcode 0x%02x\n", opcode);
+ shost_printk(KERN_WARNING, shost,
+ " REJ reason: IB_CM_REJ_CONSUMER_DEFINED,"
+ " opcode 0x%02x\n", opcode);
target->status = -ECONNRESET;
break;
+ case IB_CM_REJ_STALE_CONN:
+ shost_printk(KERN_WARNING, shost, " REJ reason: stale connection\n");
+ target->status = SRP_STALE_CONN;
+ break;
+
default:
- printk(KERN_WARNING " REJ reason 0x%x\n",
- event->param.rej_rcvd.reason);
+ shost_printk(KERN_WARNING, shost, " REJ reason 0x%x\n",
+ event->param.rej_rcvd.reason);
target->status = -ECONNRESET;
}
}
switch (event->event) {
case IB_CM_REQ_ERROR:
- printk(KERN_DEBUG PFX "Sending CM REQ failed\n");
+ shost_printk(KERN_DEBUG, target->scsi_host,
+ PFX "Sending CM REQ failed\n");
comp = 1;
target->status = -ECONNRESET;
break;
target->scsi_host->can_queue = min(target->req_lim,
target->scsi_host->can_queue);
} else {
- printk(KERN_WARNING PFX "Unhandled RSP opcode %#x\n", opcode);
+ shost_printk(KERN_WARNING, target->scsi_host,
+ PFX "Unhandled RSP opcode %#x\n", opcode);
target->status = -ECONNRESET;
break;
}
break;
case IB_CM_REJ_RECEIVED:
- printk(KERN_DEBUG PFX "REJ received\n");
+ shost_printk(KERN_DEBUG, target->scsi_host, PFX "REJ received\n");
comp = 1;
srp_cm_rej_handler(cm_id, event, target);
break;
case IB_CM_DREQ_RECEIVED:
- printk(KERN_WARNING PFX "DREQ received - connection closed\n");
+ shost_printk(KERN_WARNING, target->scsi_host,
+ PFX "DREQ received - connection closed\n");
if (ib_send_cm_drep(cm_id, NULL, 0))
- printk(KERN_ERR PFX "Sending CM DREP failed\n");
+ shost_printk(KERN_ERR, target->scsi_host,
+ PFX "Sending CM DREP failed\n");
break;
case IB_CM_TIMEWAIT_EXIT:
- printk(KERN_ERR PFX "connection closed\n");
+ shost_printk(KERN_ERR, target->scsi_host,
+ PFX "connection closed\n");
comp = 1;
target->status = 0;
break;
default:
- printk(KERN_WARNING PFX "Unhandled CM event %d\n", event->event);
+ shost_printk(KERN_WARNING, target->scsi_host,
+ PFX "Unhandled CM event %d\n", event->event);
break;
}
struct srp_request *req;
int ret = SUCCESS;
- printk(KERN_ERR "SRP abort called\n");
+ shost_printk(KERN_ERR, target->scsi_host, "SRP abort called\n");
if (target->qp_in_error)
return FAILED;
struct srp_target_port *target = host_to_target(scmnd->device->host);
struct srp_request *req, *tmp;
- printk(KERN_ERR "SRP reset_device called\n");
+ shost_printk(KERN_ERR, target->scsi_host, "SRP reset_device called\n");
if (target->qp_in_error)
return FAILED;
struct srp_target_port *target = host_to_target(scmnd->device->host);
int ret = FAILED;
- printk(KERN_ERR PFX "SRP reset_host called\n");
+ shost_printk(KERN_ERR, target->scsi_host, PFX "SRP reset_host called\n");
if (!srp_reconnect_target(target))
ret = SUCCESS;
ib_get_cached_gid(host->dev->dev, host->port, 0, &target->path.sgid);
- printk(KERN_DEBUG PFX "new target: id_ext %016llx ioc_guid %016llx pkey %04x "
- "service_id %016llx dgid %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
+ shost_printk(KERN_DEBUG, target->scsi_host, PFX
+ "new target: id_ext %016llx ioc_guid %016llx pkey %04x "
+ "service_id %016llx dgid %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
(unsigned long long) be64_to_cpu(target->id_ext),
(unsigned long long) be64_to_cpu(target->ioc_guid),
be16_to_cpu(target->path.pkey),
if (ret)
goto err;
- target->cm_id = ib_create_cm_id(host->dev->dev, srp_cm_handler, target);
- if (IS_ERR(target->cm_id)) {
- ret = PTR_ERR(target->cm_id);
+ ret = srp_new_cm_id(target);
+ if (ret)
goto err_free;
- }
target->qp_in_error = 0;
ret = srp_connect_target(target);
if (ret) {
- printk(KERN_ERR PFX "Connection failed\n");
+ shost_printk(KERN_ERR, target->scsi_host,
+ PFX "Connection failed\n");
goto err_cm_id;
}
git.openpandora.org / pandora-kernel.git / blobdiff