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[SCSI] ib_srp: convert to use the srp transport class

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This converts ib_srp to use the srp transport class.

I don't have ib hardware so I've not tested this patch.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
FUJITA Tomonori 2007-06-27 16:33:12 +09:00 committed by James Bottomley
parent 4d68041907
commit 3236822b1c
2 changed files with 28 additions and 0 deletions
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1
drivers/infiniband/ulp/srp/Kconfig
View File

@ -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

27
drivers/infiniband/ulp/srp/ib_srp.c
View File

@ -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);