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

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This converts ibmvscsi to use the srp transport class.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Brian King <brking@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
FUJITA Tomonori 2007-06-27 16:32:50 +09:00 committed by James Bottomley
parent 09345f6505
commit 4d68041907
2 changed files with 33 additions and 2 deletions
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1
drivers/scsi/Kconfig
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@ -839,6 +839,7 @@ config SCSI_IPS
config SCSI_IBMVSCSI
tristate "IBM Virtual SCSI support"
depends on PPC_PSERIES || PPC_ISERIES
select SCSI_SRP_ATTRS
help
This is the IBM POWER Virtual SCSI Client

34
drivers/scsi/ibmvscsi/ibmvscsi.c
View File

@ -75,6 +75,7 @@
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_transport_srp.h>
#include "ibmvscsi.h"
/* The values below are somewhat arbitrary default values, but
@ -87,6 +88,8 @@ static int max_channel = 3;
static int init_timeout = 5;
static int max_requests = IBMVSCSI_MAX_REQUESTS_DEFAULT;
static struct scsi_transport_template *ibmvscsi_transport_template;
#define IBMVSCSI_VERSION "1.5.8"
MODULE_DESCRIPTION("IBM Virtual SCSI");
@ -1553,6 +1556,8 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id)
struct ibmvscsi_host_data *hostdata;
struct Scsi_Host *host;
struct device *dev = &vdev->dev;
struct srp_rport_identifiers ids;
struct srp_rport *rport;
unsigned long wait_switch = 0;
int rc;
@ -1565,6 +1570,7 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id)
goto scsi_host_alloc_failed;
}
host->transportt = ibmvscsi_transport_template;
hostdata = shost_priv(host);
memset(hostdata, 0x00, sizeof(*hostdata));
INIT_LIST_HEAD(&hostdata->sent);
@ -1590,6 +1596,13 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id)
if (scsi_add_host(hostdata->host, hostdata->dev))
goto add_host_failed;
/* we don't have a proper target_port_id so let's use the fake one */
memcpy(ids.port_id, hostdata->madapter_info.partition_name,
sizeof(ids.port_id));
rport = srp_rport_add(host, &ids);
if (IS_ERR(rport))
goto add_srp_port_failed;
/* Try to send an initialization message. Note that this is allowed
* to fail if the other end is not acive. In that case we don't
* want to scan
@ -1617,6 +1630,8 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id)
vdev->dev.driver_data = hostdata;
return 0;
add_srp_port_failed:
scsi_remove_host(hostdata->host);
add_host_failed:
release_event_pool(&hostdata->pool, hostdata);
init_pool_failed:
@ -1633,7 +1648,8 @@ static int ibmvscsi_remove(struct vio_dev *vdev)
release_event_pool(&hostdata->pool, hostdata);
ibmvscsi_release_crq_queue(&hostdata->queue, hostdata,
max_requests);
srp_remove_host(hostdata->host);
scsi_remove_host(hostdata->host);
scsi_host_put(hostdata->host);
@ -1660,14 +1676,28 @@ static struct vio_driver ibmvscsi_driver = {
}
};
static struct srp_function_template ibmvscsi_transport_functions = {
};
int __init ibmvscsi_module_init(void)
{
return vio_register_driver(&ibmvscsi_driver);
int ret;
ibmvscsi_transport_template =
srp_attach_transport(&ibmvscsi_transport_functions);
if (!ibmvscsi_transport_template)
return -ENOMEM;
ret = vio_register_driver(&ibmvscsi_driver);
if (ret)
srp_release_transport(ibmvscsi_transport_template);
return ret;
}
void __exit ibmvscsi_module_exit(void)
{
vio_unregister_driver(&ibmvscsi_driver);
srp_release_transport(ibmvscsi_transport_template);
}
module_init(ibmvscsi_module_init);