diff options
Diffstat (limited to 'drivers/scsi/ibmvscsi/ibmvscsi.c')
| -rw-r--r-- | drivers/scsi/ibmvscsi/ibmvscsi.c | 46 |
1 files changed, 28 insertions, 18 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index 93bd01b1e4b5..cda0cc3d182f 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -70,6 +70,7 @@ #include <linux/moduleparam.h> #include <linux/dma-mapping.h> #include <linux/delay.h> +#include <asm/firmware.h> #include <asm/vio.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> @@ -92,6 +93,8 @@ static struct scsi_transport_template *ibmvscsi_transport_template; #define IBMVSCSI_VERSION "1.5.8" +static struct ibmvscsi_ops *ibmvscsi_ops; + MODULE_DESCRIPTION("IBM Virtual SCSI"); MODULE_AUTHOR("Dave Boutcher"); MODULE_LICENSE("GPL"); @@ -509,8 +512,8 @@ static void ibmvscsi_reset_host(struct ibmvscsi_host_data *hostdata) atomic_set(&hostdata->request_limit, 0); purge_requests(hostdata, DID_ERROR); - if ((ibmvscsi_reset_crq_queue(&hostdata->queue, hostdata)) || - (ibmvscsi_send_crq(hostdata, 0xC001000000000000LL, 0)) || + if ((ibmvscsi_ops->reset_crq_queue(&hostdata->queue, hostdata)) || + (ibmvscsi_ops->send_crq(hostdata, 0xC001000000000000LL, 0)) || (vio_enable_interrupts(to_vio_dev(hostdata->dev)))) { atomic_set(&hostdata->request_limit, -1); dev_err(hostdata->dev, "error after reset\n"); @@ -615,7 +618,7 @@ static int ibmvscsi_send_srp_event(struct srp_event_struct *evt_struct, } if ((rc = - ibmvscsi_send_crq(hostdata, crq_as_u64[0], crq_as_u64[1])) != 0) { + ibmvscsi_ops->send_crq(hostdata, crq_as_u64[0], crq_as_u64[1])) != 0) { list_del(&evt_struct->list); del_timer(&evt_struct->timer); @@ -1214,8 +1217,8 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq, case 0x01: /* Initialization message */ dev_info(hostdata->dev, "partner initialized\n"); /* Send back a response */ - if ((rc = ibmvscsi_send_crq(hostdata, - 0xC002000000000000LL, 0)) == 0) { + if ((rc = ibmvscsi_ops->send_crq(hostdata, + 0xC002000000000000LL, 0)) == 0) { /* Now login */ send_srp_login(hostdata); } else { @@ -1240,10 +1243,10 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq, /* We need to re-setup the interpartition connection */ dev_info(hostdata->dev, "Re-enabling adapter!\n"); purge_requests(hostdata, DID_REQUEUE); - if ((ibmvscsi_reenable_crq_queue(&hostdata->queue, - hostdata)) || - (ibmvscsi_send_crq(hostdata, - 0xC001000000000000LL, 0))) { + if ((ibmvscsi_ops->reenable_crq_queue(&hostdata->queue, + hostdata)) || + (ibmvscsi_ops->send_crq(hostdata, + 0xC001000000000000LL, 0))) { atomic_set(&hostdata->request_limit, -1); dev_err(hostdata->dev, "error after enable\n"); @@ -1253,10 +1256,10 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq, crq->format); purge_requests(hostdata, DID_ERROR); - if ((ibmvscsi_reset_crq_queue(&hostdata->queue, - hostdata)) || - (ibmvscsi_send_crq(hostdata, - 0xC001000000000000LL, 0))) { + if ((ibmvscsi_ops->reset_crq_queue(&hostdata->queue, + hostdata)) || + (ibmvscsi_ops->send_crq(hostdata, + 0xC001000000000000LL, 0))) { atomic_set(&hostdata->request_limit, -1); dev_err(hostdata->dev, "error after reset\n"); @@ -1579,7 +1582,7 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id) atomic_set(&hostdata->request_limit, -1); hostdata->host->max_sectors = 32 * 8; /* default max I/O 32 pages */ - rc = ibmvscsi_init_crq_queue(&hostdata->queue, hostdata, max_requests); + rc = ibmvscsi_ops->init_crq_queue(&hostdata->queue, hostdata, max_requests); if (rc != 0 && rc != H_RESOURCE) { dev_err(&vdev->dev, "couldn't initialize crq. rc=%d\n", rc); goto init_crq_failed; @@ -1608,7 +1611,7 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id) * to fail if the other end is not acive. In that case we don't * want to scan */ - if (ibmvscsi_send_crq(hostdata, 0xC001000000000000LL, 0) == 0 + if (ibmvscsi_ops->send_crq(hostdata, 0xC001000000000000LL, 0) == 0 || rc == H_RESOURCE) { /* * Wait around max init_timeout secs for the adapter to finish @@ -1636,7 +1639,7 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id) add_host_failed: release_event_pool(&hostdata->pool, hostdata); init_pool_failed: - ibmvscsi_release_crq_queue(&hostdata->queue, hostdata, max_requests); + ibmvscsi_ops->release_crq_queue(&hostdata->queue, hostdata, max_requests); init_crq_failed: scsi_host_put(host); scsi_host_alloc_failed: @@ -1647,8 +1650,8 @@ static int ibmvscsi_remove(struct vio_dev *vdev) { struct ibmvscsi_host_data *hostdata = vdev->dev.driver_data; release_event_pool(&hostdata->pool, hostdata); - ibmvscsi_release_crq_queue(&hostdata->queue, hostdata, - max_requests); + ibmvscsi_ops->release_crq_queue(&hostdata->queue, hostdata, + max_requests); srp_remove_host(hostdata->host); scsi_remove_host(hostdata->host); @@ -1684,6 +1687,13 @@ int __init ibmvscsi_module_init(void) { int ret; + if (firmware_has_feature(FW_FEATURE_ISERIES)) + ibmvscsi_ops = &iseriesvscsi_ops; + else if (firmware_has_feature(FW_FEATURE_VIO)) + ibmvscsi_ops = &rpavscsi_ops; + else + return -ENODEV; + ibmvscsi_transport_template = srp_attach_transport(&ibmvscsi_transport_functions); if (!ibmvscsi_transport_template) |