diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/ulp/srp/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/srp/ib_srp.c | 27 |
2 files changed, 28 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/srp/Kconfig b/drivers/infiniband/ulp/srp/Kconfig index 3432dce2952..c74ee963304 100644 --- a/drivers/infiniband/ulp/srp/Kconfig +++ b/drivers/infiniband/ulp/srp/Kconfig @@ -1,6 +1,7 @@ config INFINIBAND_SRP tristate "InfiniBand SCSI RDMA Protocol" depends on SCSI + select SCSI_SRP_ATTRS ---help--- Support for the SCSI RDMA Protocol over InfiniBand. This allows you to access storage devices that speak SRP over diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index f01ca182f22..d8d056e004b 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -47,6 +47,7 @@ #include <scsi/scsi_device.h> #include <scsi/scsi_dbg.h> #include <scsi/srp.h> +#include <scsi/scsi_transport_srp.h> #include <rdma/ib_cache.h> @@ -90,6 +91,8 @@ static void srp_remove_one(struct ib_device *device); static void srp_completion(struct ib_cq *cq, void *target_ptr); static int srp_cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event); +static struct scsi_transport_template *ib_srp_transport_template; + static struct ib_client srp_client = { .name = "srp", .add = srp_add_one, @@ -405,6 +408,7 @@ static void srp_remove_work(struct work_struct *work) list_del(&target->list); spin_unlock(&target->srp_host->target_lock); + srp_remove_host(target->scsi_host); scsi_remove_host(target->scsi_host); ib_destroy_cm_id(target->cm_id); srp_free_target_ib(target); @@ -1530,12 +1534,23 @@ static struct scsi_host_template srp_template = { static int srp_add_target(struct srp_host *host, struct srp_target_port *target) { + struct srp_rport_identifiers ids; + struct srp_rport *rport; + sprintf(target->target_name, "SRP.T10:%016llX", (unsigned long long) be64_to_cpu(target->id_ext)); if (scsi_add_host(target->scsi_host, host->dev->dev->dma_device)) return -ENODEV; + memcpy(ids.port_id, &target->id_ext, 8); + memcpy(ids.port_id + 8, &target->ioc_guid, 8); + rport = srp_rport_add(target->scsi_host, &ids); + if (IS_ERR(rport)) { + scsi_remove_host(target->scsi_host); + return PTR_ERR(rport); + } + spin_lock(&host->target_lock); list_add_tail(&target->list, &host->target_list); spin_unlock(&host->target_lock); @@ -1760,6 +1775,7 @@ static ssize_t srp_create_target(struct class_device *class_dev, if (!target_host) return -ENOMEM; + target_host->transportt = ib_srp_transport_template; target_host->max_lun = SRP_MAX_LUN; target_host->max_cmd_len = sizeof ((struct srp_cmd *) (void *) 0L)->cdb; @@ -2039,10 +2055,18 @@ static void srp_remove_one(struct ib_device *device) kfree(srp_dev); } +static struct srp_function_template ib_srp_transport_functions = { +}; + static int __init srp_init_module(void) { int ret; + ib_srp_transport_template = + srp_attach_transport(&ib_srp_transport_functions); + if (!ib_srp_transport_template) + return -ENOMEM; + srp_template.sg_tablesize = srp_sg_tablesize; srp_max_iu_len = (sizeof (struct srp_cmd) + sizeof (struct srp_indirect_buf) + @@ -2051,6 +2075,7 @@ static int __init srp_init_module(void) ret = class_register(&srp_class); if (ret) { printk(KERN_ERR PFX "couldn't register class infiniband_srp\n"); + srp_release_transport(ib_srp_transport_template); return ret; } @@ -2059,6 +2084,7 @@ static int __init srp_init_module(void) ret = ib_register_client(&srp_client); if (ret) { printk(KERN_ERR PFX "couldn't register IB client\n"); + srp_release_transport(ib_srp_transport_template); ib_sa_unregister_client(&srp_sa_client); class_unregister(&srp_class); return ret; @@ -2072,6 +2098,7 @@ static void __exit srp_cleanup_module(void) ib_unregister_client(&srp_client); ib_sa_unregister_client(&srp_sa_client); class_unregister(&srp_class); + srp_release_transport(ib_srp_transport_template); } module_init(srp_init_module); |