diff options
| -rw-r--r-- | drivers/infiniband/ulp/srp/ib_srp.c | 22 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/srp/ib_srp.h | 1 |
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 5e8ac577f0a..df526cb9e79 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -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, @@ -1662,6 +1683,7 @@ 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; |