Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband

* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband:
  IPoIB: Convert to NAPI
  IB: Return "maybe missed event" hint from ib_req_notify_cq()
  IB: Add CQ comp_vector support
  IB/ipath: Fix a race condition when generating ACKs
  IB/ipath: Fix two more spin lock problems
  IB/fmr_pool: Add prefix to all printks
  IB/srp: Set proc_name
  IB/srp: Add orig_dgid sysfs attribute to scsi_host
  IPoIB/cm: Don't crash if remote side uses one QP for both directions
  RDMA/cxgb3: Support for new abort logic
  RDMA/cxgb3: Initialize cpu_idx field in cpl_close_listserv_req message
  RDMA/cxgb3: Fail qp creation if the requested max_inline is too large
  RDMA/cxgb3: Fix TERM codes
  IPoIB/cm: Fix error handling in ipoib_cm_dev_open()
  IB/ipath: Don't corrupt pending mmap list when unmapped objects are freed
  IB/mthca: Work around kernel QP starvation
  IB/ipath: Don't put QP in timeout queue if waiting to send
  IB/ipath: Don't call spin_lock_irq() from interrupt context

2 files changed, 26 insertions, 2 deletions

diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 5e8ac577f0a..39bf057fbc4 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -197,7 +197,7 @@ static int srp_create_target_ib(struct srp_target_port *target)
 		return -ENOMEM;
 
 	target->cq = ib_create_cq(target->srp_host->dev->dev, srp_completion,
-				  NULL, target, SRP_CQ_SIZE);
+				  NULL, target, SRP_CQ_SIZE, 0);
 	if (IS_ERR(target->cq)) {
 		ret = PTR_ERR(target->cq);
 		goto out;
@@ -1468,6 +1468,25 @@ static ssize_t show_dgid(struct class_device *cdev, char *buf)
 		       be16_to_cpu(((__be16 *) target->path.dgid.raw)[7]));
 }
 
+static ssize_t show_orig_dgid(struct class_device *cdev, char *buf)
+{
+	struct srp_target_port *target = host_to_target(class_to_shost(cdev));
+
+	if (target->state == SRP_TARGET_DEAD ||
+	    target->state == SRP_TARGET_REMOVED)
+		return -ENODEV;
+
+	return sprintf(buf, "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
+		       be16_to_cpu(target->orig_dgid[0]),
+		       be16_to_cpu(target->orig_dgid[1]),
+		       be16_to_cpu(target->orig_dgid[2]),
+		       be16_to_cpu(target->orig_dgid[3]),
+		       be16_to_cpu(target->orig_dgid[4]),
+		       be16_to_cpu(target->orig_dgid[5]),
+		       be16_to_cpu(target->orig_dgid[6]),
+		       be16_to_cpu(target->orig_dgid[7]));
+}
+
 static ssize_t show_zero_req_lim(struct class_device *cdev, char *buf)
 {
 	struct srp_target_port *target = host_to_target(class_to_shost(cdev));
@@ -1498,6 +1517,7 @@ static CLASS_DEVICE_ATTR(ioc_guid,	  S_IRUGO, show_ioc_guid,	 NULL);
 static CLASS_DEVICE_ATTR(service_id,	  S_IRUGO, show_service_id,	 NULL);
 static CLASS_DEVICE_ATTR(pkey,		  S_IRUGO, show_pkey,		 NULL);
 static CLASS_DEVICE_ATTR(dgid,		  S_IRUGO, show_dgid,		 NULL);
+static CLASS_DEVICE_ATTR(orig_dgid,	  S_IRUGO, show_orig_dgid,	 NULL);
 static CLASS_DEVICE_ATTR(zero_req_lim,	  S_IRUGO, show_zero_req_lim,	 NULL);
 static CLASS_DEVICE_ATTR(local_ib_port,   S_IRUGO, show_local_ib_port,	 NULL);
 static CLASS_DEVICE_ATTR(local_ib_device, S_IRUGO, show_local_ib_device, NULL);
@@ -1508,6 +1528,7 @@ static struct class_device_attribute *srp_host_attrs[] = {
 	&class_device_attr_service_id,
 	&class_device_attr_pkey,
 	&class_device_attr_dgid,
+	&class_device_attr_orig_dgid,
 	&class_device_attr_zero_req_lim,
 	&class_device_attr_local_ib_port,
 	&class_device_attr_local_ib_device,
@@ -1516,7 +1537,8 @@ static struct class_device_attribute *srp_host_attrs[] = {
 
 static struct scsi_host_template srp_template = {
 	.module				= THIS_MODULE,
-	.name				= DRV_NAME,
+	.name				= "InfiniBand SRP initiator",
+	.proc_name			= DRV_NAME,
 	.info				= srp_target_info,
 	.queuecommand			= srp_queuecommand,
 	.eh_abort_handler		= srp_abort,
@@ -1662,6 +1684,7 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
 				target->path.dgid.raw[i] = simple_strtoul(dgid, NULL, 16);
 			}
 			kfree(p);
+			memcpy(target->orig_dgid, target->path.dgid.raw, 16);
 			break;
 
 		case SRP_OPT_PKEY:
diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h
index 2f3319c719a..1d53c7bc368 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.h
+++ b/drivers/infiniband/ulp/srp/ib_srp.h
@@ -129,6 +129,7 @@ struct srp_target_port {
 	unsigned int		scsi_id;
 
 	struct ib_sa_path_rec	path;
+	__be16			orig_dgid[8];
 	struct ib_sa_query     *path_query;
 	int			path_query_id;