6 files changed, 369 insertions, 419 deletions

diff --git a/drivers/scsi/ibmvscsi/Makefile b/drivers/scsi/ibmvscsi/Makefile
index ff5b5c5538ee..cb150d1e5850 100644
--- a/drivers/scsi/ibmvscsi/Makefile
+++ b/drivers/scsi/ibmvscsi/Makefile
@@ -1,7 +1,3 @@
-obj-$(CONFIG_SCSI_IBMVSCSI)	+= ibmvscsic.o
-
-ibmvscsic-y			+= ibmvscsi.o
-ibmvscsic-$(CONFIG_PPC_PSERIES)	+= rpa_vscsi.o 
-
+obj-$(CONFIG_SCSI_IBMVSCSI)	+= ibmvscsi.o
 obj-$(CONFIG_SCSI_IBMVSCSIS)	+= ibmvstgt.o
 obj-$(CONFIG_SCSI_IBMVFC)	+= ibmvfc.o
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 134a0ae85bb7..5e8d51bd03de 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -2242,6 +2242,21 @@ static int ibmvfc_match_key(struct ibmvfc_event *evt, void *key)
 }
 
 /**
+ * ibmvfc_match_evt - Match function for specified event
+ * @evt:	ibmvfc event struct
+ * @match:	event to match
+ *
+ * Returns:
+ *	1 if event matches key / 0 if event does not match key
+ **/
+static int ibmvfc_match_evt(struct ibmvfc_event *evt, void *match)
+{
+	if (evt == match)
+		return 1;
+	return 0;
+}
+
+/**
  * ibmvfc_abort_task_set - Abort outstanding commands to the device
  * @sdev:	scsi device to abort commands
  *
@@ -2322,7 +2337,20 @@ static int ibmvfc_abort_task_set(struct scsi_device *sdev)
 		if (rc) {
 			sdev_printk(KERN_INFO, sdev, "Cancel failed, resetting host\n");
 			ibmvfc_reset_host(vhost);
-			rsp_rc = 0;
+			rsp_rc = -EIO;
+			rc = ibmvfc_wait_for_ops(vhost, sdev->hostdata, ibmvfc_match_key);
+
+			if (rc == SUCCESS)
+				rsp_rc = 0;
+
+			rc = ibmvfc_wait_for_ops(vhost, evt, ibmvfc_match_evt);
+			if (rc != SUCCESS) {
+				spin_lock_irqsave(vhost->host->host_lock, flags);
+				ibmvfc_hard_reset_host(vhost);
+				spin_unlock_irqrestore(vhost->host->host_lock, flags);
+				rsp_rc = 0;
+			}
+
 			goto out;
 		}
 	}
@@ -2597,8 +2625,10 @@ static void ibmvfc_handle_async(struct ibmvfc_async_crq *crq,
 	case IBMVFC_AE_SCN_FABRIC:
 	case IBMVFC_AE_SCN_DOMAIN:
 		vhost->events_to_log |= IBMVFC_AE_RSCN;
-		vhost->delay_init = 1;
-		__ibmvfc_reset_host(vhost);
+		if (vhost->state < IBMVFC_HALTED) {
+			vhost->delay_init = 1;
+			__ibmvfc_reset_host(vhost);
+		}
 		break;
 	case IBMVFC_AE_SCN_NPORT:
 	case IBMVFC_AE_SCN_GROUP:
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h
index 834c37fc7ce9..3be8af624e6f 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.h
+++ b/drivers/scsi/ibmvscsi/ibmvfc.h
@@ -29,8 +29,8 @@
 #include "viosrp.h"
 
 #define IBMVFC_NAME	"ibmvfc"
-#define IBMVFC_DRIVER_VERSION		"1.0.9"
-#define IBMVFC_DRIVER_DATE		"(August 5, 2010)"
+#define IBMVFC_DRIVER_VERSION		"1.0.10"
+#define IBMVFC_DRIVER_DATE		"(August 24, 2012)"
 
 #define IBMVFC_DEFAULT_TIMEOUT	60
 #define IBMVFC_ADISC_CANCEL_TIMEOUT	45
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 3a6c4742951e..ef9a54c7da67 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -93,13 +93,13 @@ static int max_requests = IBMVSCSI_MAX_REQUESTS_DEFAULT;
 static int max_events = IBMVSCSI_MAX_REQUESTS_DEFAULT + 2;
 static int fast_fail = 1;
 static int client_reserve = 1;
+static char partition_name[97] = "UNKNOWN";
+static unsigned int partition_number = -1;
 
 static struct scsi_transport_template *ibmvscsi_transport_template;
 
 #define IBMVSCSI_VERSION "1.5.9"
 
-static struct ibmvscsi_ops *ibmvscsi_ops;
-
 MODULE_DESCRIPTION("IBM Virtual SCSI");
 MODULE_AUTHOR("Dave Boutcher");
 MODULE_LICENSE("GPL");
@@ -118,6 +118,316 @@ MODULE_PARM_DESC(fast_fail, "Enable fast fail. [Default=1]");
 module_param_named(client_reserve, client_reserve, int, S_IRUGO );
 MODULE_PARM_DESC(client_reserve, "Attempt client managed reserve/release");
 
+static void ibmvscsi_handle_crq(struct viosrp_crq *crq,
+				struct ibmvscsi_host_data *hostdata);
+
+/* ------------------------------------------------------------
+ * Routines for managing the command/response queue
+ */
+/**
+ * ibmvscsi_handle_event: - Interrupt handler for crq events
+ * @irq:	number of irq to handle, not used
+ * @dev_instance: ibmvscsi_host_data of host that received interrupt
+ *
+ * Disables interrupts and schedules srp_task
+ * Always returns IRQ_HANDLED
+ */
+static irqreturn_t ibmvscsi_handle_event(int irq, void *dev_instance)
+{
+	struct ibmvscsi_host_data *hostdata =
+	    (struct ibmvscsi_host_data *)dev_instance;
+	vio_disable_interrupts(to_vio_dev(hostdata->dev));
+	tasklet_schedule(&hostdata->srp_task);
+	return IRQ_HANDLED;
+}
+
+/**
+ * release_crq_queue: - Deallocates data and unregisters CRQ
+ * @queue:	crq_queue to initialize and register
+ * @host_data:	ibmvscsi_host_data of host
+ *
+ * Frees irq, deallocates a page for messages, unmaps dma, and unregisters
+ * the crq with the hypervisor.
+ */
+static void ibmvscsi_release_crq_queue(struct crq_queue *queue,
+				       struct ibmvscsi_host_data *hostdata,
+				       int max_requests)
+{
+	long rc = 0;
+	struct vio_dev *vdev = to_vio_dev(hostdata->dev);
+	free_irq(vdev->irq, (void *)hostdata);
+	tasklet_kill(&hostdata->srp_task);
+	do {
+		if (rc)
+			msleep(100);
+		rc = plpar_hcall_norets(H_FREE_CRQ, vdev->unit_address);
+	} while ((rc == H_BUSY) || (H_IS_LONG_BUSY(rc)));
+	dma_unmap_single(hostdata->dev,
+			 queue->msg_token,
+			 queue->size * sizeof(*queue->msgs), DMA_BIDIRECTIONAL);
+	free_page((unsigned long)queue->msgs);
+}
+
+/**
+ * crq_queue_next_crq: - Returns the next entry in message queue
+ * @queue:	crq_queue to use
+ *
+ * Returns pointer to next entry in queue, or NULL if there are no new
+ * entried in the CRQ.
+ */
+static struct viosrp_crq *crq_queue_next_crq(struct crq_queue *queue)
+{
+	struct viosrp_crq *crq;
+	unsigned long flags;
+
+	spin_lock_irqsave(&queue->lock, flags);
+	crq = &queue->msgs[queue->cur];
+	if (crq->valid & 0x80) {
+		if (++queue->cur == queue->size)
+			queue->cur = 0;
+	} else
+		crq = NULL;
+	spin_unlock_irqrestore(&queue->lock, flags);
+
+	return crq;
+}
+
+/**
+ * ibmvscsi_send_crq: - Send a CRQ
+ * @hostdata:	the adapter
+ * @word1:	the first 64 bits of the data
+ * @word2:	the second 64 bits of the data
+ */
+static int ibmvscsi_send_crq(struct ibmvscsi_host_data *hostdata,
+			     u64 word1, u64 word2)
+{
+	struct vio_dev *vdev = to_vio_dev(hostdata->dev);
+
+	return plpar_hcall_norets(H_SEND_CRQ, vdev->unit_address, word1, word2);
+}
+
+/**
+ * ibmvscsi_task: - Process srps asynchronously
+ * @data:	ibmvscsi_host_data of host
+ */
+static void ibmvscsi_task(void *data)
+{
+	struct ibmvscsi_host_data *hostdata = (struct ibmvscsi_host_data *)data;
+	struct vio_dev *vdev = to_vio_dev(hostdata->dev);
+	struct viosrp_crq *crq;
+	int done = 0;
+
+	while (!done) {
+		/* Pull all the valid messages off the CRQ */
+		while ((crq = crq_queue_next_crq(&hostdata->queue)) != NULL) {
+			ibmvscsi_handle_crq(crq, hostdata);
+			crq->valid = 0x00;
+		}
+
+		vio_enable_interrupts(vdev);
+		crq = crq_queue_next_crq(&hostdata->queue);
+		if (crq != NULL) {
+			vio_disable_interrupts(vdev);
+			ibmvscsi_handle_crq(crq, hostdata);
+			crq->valid = 0x00;
+		} else {
+			done = 1;
+		}
+	}
+}
+
+static void gather_partition_info(void)
+{
+	struct device_node *rootdn;
+
+	const char *ppartition_name;
+	const unsigned int *p_number_ptr;
+
+	/* Retrieve information about this partition */
+	rootdn = of_find_node_by_path("/");
+	if (!rootdn) {
+		return;
+	}
+
+	ppartition_name = of_get_property(rootdn, "ibm,partition-name", NULL);
+	if (ppartition_name)
+		strncpy(partition_name, ppartition_name,
+				sizeof(partition_name));
+	p_number_ptr = of_get_property(rootdn, "ibm,partition-no", NULL);
+	if (p_number_ptr)
+		partition_number = *p_number_ptr;
+	of_node_put(rootdn);
+}
+
+static void set_adapter_info(struct ibmvscsi_host_data *hostdata)
+{
+	memset(&hostdata->madapter_info, 0x00,
+			sizeof(hostdata->madapter_info));
+
+	dev_info(hostdata->dev, "SRP_VERSION: %s\n", SRP_VERSION);
+	strcpy(hostdata->madapter_info.srp_version, SRP_VERSION);
+
+	strncpy(hostdata->madapter_info.partition_name, partition_name,
+			sizeof(hostdata->madapter_info.partition_name));
+
+	hostdata->madapter_info.partition_number = partition_number;
+
+	hostdata->madapter_info.mad_version = 1;
+	hostdata->madapter_info.os_type = 2;
+}
+
+/**
+ * reset_crq_queue: - resets a crq after a failure
+ * @queue:	crq_queue to initialize and register
+ * @hostdata:	ibmvscsi_host_data of host
+ *
+ */
+static int ibmvscsi_reset_crq_queue(struct crq_queue *queue,
+				    struct ibmvscsi_host_data *hostdata)
+{
+	int rc = 0;
+	struct vio_dev *vdev = to_vio_dev(hostdata->dev);
+
+	/* Close the CRQ */
+	do {
+		if (rc)
+			msleep(100);
+		rc = plpar_hcall_norets(H_FREE_CRQ, vdev->unit_address);
+	} while ((rc == H_BUSY) || (H_IS_LONG_BUSY(rc)));
+
+	/* Clean out the queue */
+	memset(queue->msgs, 0x00, PAGE_SIZE);
+	queue->cur = 0;
+
+	set_adapter_info(hostdata);
+
+	/* And re-open it again */
+	rc = plpar_hcall_norets(H_REG_CRQ,
+				vdev->unit_address,
+				queue->msg_token, PAGE_SIZE);
+	if (rc == 2) {
+		/* Adapter is good, but other end is not ready */
+		dev_warn(hostdata->dev, "Partner adapter not ready\n");
+	} else if (rc != 0) {
+		dev_warn(hostdata->dev, "couldn't register crq--rc 0x%x\n", rc);
+	}
+	return rc;
+}
+
+/**
+ * initialize_crq_queue: - Initializes and registers CRQ with hypervisor
+ * @queue:	crq_queue to initialize and register
+ * @hostdata:	ibmvscsi_host_data of host
+ *
+ * Allocates a page for messages, maps it for dma, and registers
+ * the crq with the hypervisor.
+ * Returns zero on success.
+ */
+static int ibmvscsi_init_crq_queue(struct crq_queue *queue,
+				   struct ibmvscsi_host_data *hostdata,
+				   int max_requests)
+{
+	int rc;
+	int retrc;
+	struct vio_dev *vdev = to_vio_dev(hostdata->dev);
+
+	queue->msgs = (struct viosrp_crq *)get_zeroed_page(GFP_KERNEL);
+
+	if (!queue->msgs)
+		goto malloc_failed;
+	queue->size = PAGE_SIZE / sizeof(*queue->msgs);
+
+	queue->msg_token = dma_map_single(hostdata->dev, queue->msgs,
+					  queue->size * sizeof(*queue->msgs),
+					  DMA_BIDIRECTIONAL);
+
+	if (dma_mapping_error(hostdata->dev, queue->msg_token))
+		goto map_failed;
+
+	gather_partition_info();
+	set_adapter_info(hostdata);
+
+	retrc = rc = plpar_hcall_norets(H_REG_CRQ,
+				vdev->unit_address,
+				queue->msg_token, PAGE_SIZE);
+	if (rc == H_RESOURCE)
+		/* maybe kexecing and resource is busy. try a reset */
+		rc = ibmvscsi_reset_crq_queue(queue,
+					      hostdata);
+
+	if (rc == 2) {
+		/* Adapter is good, but other end is not ready */
+		dev_warn(hostdata->dev, "Partner adapter not ready\n");
+		retrc = 0;
+	} else if (rc != 0) {
+		dev_warn(hostdata->dev, "Error %d opening adapter\n", rc);
+		goto reg_crq_failed;
+	}
+
+	queue->cur = 0;
+	spin_lock_init(&queue->lock);
+
+	tasklet_init(&hostdata->srp_task, (void *)ibmvscsi_task,
+		     (unsigned long)hostdata);
+
+	if (request_irq(vdev->irq,
+			ibmvscsi_handle_event,
+			0, "ibmvscsi", (void *)hostdata) != 0) {
+		dev_err(hostdata->dev, "couldn't register irq 0x%x\n",
+			vdev->irq);
+		goto req_irq_failed;
+	}
+
+	rc = vio_enable_interrupts(vdev);
+	if (rc != 0) {
+		dev_err(hostdata->dev, "Error %d enabling interrupts!!!\n", rc);
+		goto req_irq_failed;
+	}
+
+	return retrc;
+
+      req_irq_failed:
+	tasklet_kill(&hostdata->srp_task);
+	rc = 0;
+	do {
+		if (rc)
+			msleep(100);
+		rc = plpar_hcall_norets(H_FREE_CRQ, vdev->unit_address);
+	} while ((rc == H_BUSY) || (H_IS_LONG_BUSY(rc)));
+      reg_crq_failed:
+	dma_unmap_single(hostdata->dev,
+			 queue->msg_token,
+			 queue->size * sizeof(*queue->msgs), DMA_BIDIRECTIONAL);
+      map_failed:
+	free_page((unsigned long)queue->msgs);
+      malloc_failed:
+	return -1;
+}
+
+/**
+ * reenable_crq_queue: - reenables a crq after
+ * @queue:	crq_queue to initialize and register
+ * @hostdata:	ibmvscsi_host_data of host
+ *
+ */
+static int ibmvscsi_reenable_crq_queue(struct crq_queue *queue,
+				       struct ibmvscsi_host_data *hostdata)
+{
+	int rc = 0;
+	struct vio_dev *vdev = to_vio_dev(hostdata->dev);
+
+	/* Re-enable the CRQ */
+	do {
+		if (rc)
+			msleep(100);
+		rc = plpar_hcall_norets(H_ENABLE_CRQ, vdev->unit_address);
+	} while ((rc == H_IN_PROGRESS) || (rc == H_BUSY) || (H_IS_LONG_BUSY(rc)));
+
+	if (rc)
+		dev_err(hostdata->dev, "Error %d enabling adapter\n", rc);
+	return rc;
+}
+
 /* ------------------------------------------------------------
  * Routines for the event pool and event structs
  */
@@ -611,7 +921,7 @@ static int ibmvscsi_send_srp_event(struct srp_event_struct *evt_struct,
 	}
 
 	if ((rc =
-	     ibmvscsi_ops->send_crq(hostdata, crq_as_u64[0], crq_as_u64[1])) != 0) {
+	     ibmvscsi_send_crq(hostdata, crq_as_u64[0], crq_as_u64[1])) != 0) {
 		list_del(&evt_struct->list);
 		del_timer(&evt_struct->timer);
 
@@ -1420,8 +1730,8 @@ static int ibmvscsi_eh_host_reset_handler(struct scsi_cmnd *cmd)
  * @hostdata:	ibmvscsi_host_data of host
  *
 */
-void ibmvscsi_handle_crq(struct viosrp_crq *crq,
-			 struct ibmvscsi_host_data *hostdata)
+static void ibmvscsi_handle_crq(struct viosrp_crq *crq,
+				struct ibmvscsi_host_data *hostdata)
 {
 	long rc;
 	unsigned long flags;
@@ -1433,8 +1743,8 @@ 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_ops->send_crq(hostdata,
-							 0xC002000000000000LL, 0)) == 0) {
+			rc = ibmvscsi_send_crq(hostdata, 0xC002000000000000LL, 0);
+			if (rc == 0) {
 				/* Now login */
 				init_adapter(hostdata);
 			} else {
@@ -1541,6 +1851,9 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
 
 	host_config = &evt_struct->iu.mad.host_config;
 
+	/* The transport length field is only 16-bit */
+	length = min(0xffff, length);
+
 	/* Set up a lun reset SRP command */
 	memset(host_config, 0x00, sizeof(*host_config));
 	host_config->common.type = VIOSRP_HOST_CONFIG_TYPE;
@@ -1840,17 +2153,17 @@ static void ibmvscsi_do_work(struct ibmvscsi_host_data *hostdata)
 		smp_rmb();
 		hostdata->reset_crq = 0;
 
-		rc = ibmvscsi_ops->reset_crq_queue(&hostdata->queue, hostdata);
+		rc = ibmvscsi_reset_crq_queue(&hostdata->queue, hostdata);
 		if (!rc)
-			rc = ibmvscsi_ops->send_crq(hostdata, 0xC001000000000000LL, 0);
+			rc = ibmvscsi_send_crq(hostdata, 0xC001000000000000LL, 0);
 		vio_enable_interrupts(to_vio_dev(hostdata->dev));
 	} else if (hostdata->reenable_crq) {
 		smp_rmb();
 		action = "enable";
-		rc = ibmvscsi_ops->reenable_crq_queue(&hostdata->queue, hostdata);
+		rc = ibmvscsi_reenable_crq_queue(&hostdata->queue, hostdata);
 		hostdata->reenable_crq = 0;
 		if (!rc)
-			rc = ibmvscsi_ops->send_crq(hostdata, 0xC001000000000000LL, 0);
+			rc = ibmvscsi_send_crq(hostdata, 0xC001000000000000LL, 0);
 	} else
 		return;
 
@@ -1944,7 +2257,7 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id)
 		goto init_crq_failed;
 	}
 
-	rc = ibmvscsi_ops->init_crq_queue(&hostdata->queue, hostdata, max_events);
+	rc = ibmvscsi_init_crq_queue(&hostdata->queue, hostdata, max_events);
 	if (rc != 0 && rc != H_RESOURCE) {
 		dev_err(&vdev->dev, "couldn't initialize crq. rc=%d\n", rc);
 		goto kill_kthread;
@@ -1974,7 +2287,7 @@ 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_ops->send_crq(hostdata, 0xC001000000000000LL, 0) == 0
+	if (ibmvscsi_send_crq(hostdata, 0xC001000000000000LL, 0) == 0
 	    || rc == H_RESOURCE) {
 		/*
 		 * Wait around max init_timeout secs for the adapter to finish
@@ -2002,7 +2315,7 @@ 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_ops->release_crq_queue(&hostdata->queue, hostdata, max_events);
+	ibmvscsi_release_crq_queue(&hostdata->queue, hostdata, max_events);
       kill_kthread:
       kthread_stop(hostdata->work_thread);
       init_crq_failed:
@@ -2018,7 +2331,7 @@ static int ibmvscsi_remove(struct vio_dev *vdev)
 	struct ibmvscsi_host_data *hostdata = dev_get_drvdata(&vdev->dev);
 	unmap_persist_bufs(hostdata);
 	release_event_pool(&hostdata->pool, hostdata);
-	ibmvscsi_ops->release_crq_queue(&hostdata->queue, hostdata,
+	ibmvscsi_release_crq_queue(&hostdata->queue, hostdata,
 					max_events);
 
 	kthread_stop(hostdata->work_thread);
@@ -2039,7 +2352,10 @@ static int ibmvscsi_remove(struct vio_dev *vdev)
 static int ibmvscsi_resume(struct device *dev)
 {
 	struct ibmvscsi_host_data *hostdata = dev_get_drvdata(dev);
-	return ibmvscsi_ops->resume(hostdata);
+	vio_disable_interrupts(to_vio_dev(hostdata->dev));
+	tasklet_schedule(&hostdata->srp_task);
+
+	return 0;
 }
 
 /**
@@ -2076,9 +2392,7 @@ int __init ibmvscsi_module_init(void)
 	driver_template.can_queue = max_requests;
 	max_events = max_requests + 2;
 
-	if (firmware_has_feature(FW_FEATURE_VIO))
-		ibmvscsi_ops = &rpavscsi_ops;
-	else
+	if (!firmware_has_feature(FW_FEATURE_VIO))
 		return -ENODEV;
 
 	ibmvscsi_transport_template =
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.h b/drivers/scsi/ibmvscsi/ibmvscsi.h
index c503e1776014..7d64867c5dd1 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.h
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.h
@@ -107,26 +107,4 @@ struct ibmvscsi_host_data {
 	dma_addr_t adapter_info_addr;
 };
 
-/* routines for managing a command/response queue */
-void ibmvscsi_handle_crq(struct viosrp_crq *crq,
-			 struct ibmvscsi_host_data *hostdata);
-
-struct ibmvscsi_ops {
-	int (*init_crq_queue)(struct crq_queue *queue,
-			      struct ibmvscsi_host_data *hostdata,
-			      int max_requests);
-	void (*release_crq_queue)(struct crq_queue *queue,
-				  struct ibmvscsi_host_data *hostdata,
-				  int max_requests);
-	int (*reset_crq_queue)(struct crq_queue *queue,
-			       struct ibmvscsi_host_data *hostdata);
-	int (*reenable_crq_queue)(struct crq_queue *queue,
-				  struct ibmvscsi_host_data *hostdata);
-	int (*send_crq)(struct ibmvscsi_host_data *hostdata,
-		       u64 word1, u64 word2);
-	int (*resume) (struct ibmvscsi_host_data *hostdata);
-};
-
-extern struct ibmvscsi_ops rpavscsi_ops;
-
 #endif				/* IBMVSCSI_H */
diff --git a/drivers/scsi/ibmvscsi/rpa_vscsi.c b/drivers/scsi/ibmvscsi/rpa_vscsi.c
deleted file mode 100644
index f48ae0190d95..000000000000
--- a/drivers/scsi/ibmvscsi/rpa_vscsi.c
+++ /dev/null
@@ -1,368 +0,0 @@
-/* ------------------------------------------------------------
- * rpa_vscsi.c
- * (C) Copyright IBM Corporation 1994, 2003
- * Authors: Colin DeVilbiss (devilbis@us.ibm.com)
- *          Santiago Leon (santil@us.ibm.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
- * USA
- *
- * ------------------------------------------------------------
- * RPA-specific functions of the SCSI host adapter for Virtual I/O devices
- *
- * This driver allows the Linux SCSI peripheral drivers to directly
- * access devices in the hosting partition, either on an iSeries
- * hypervisor system or a converged hypervisor system.
- */
-
-#include <asm/vio.h>
-#include <asm/prom.h>
-#include <asm/iommu.h>
-#include <asm/hvcall.h>
-#include <linux/delay.h>
-#include <linux/dma-mapping.h>
-#include <linux/gfp.h>
-#include <linux/interrupt.h>
-#include "ibmvscsi.h"
-
-static char partition_name[97] = "UNKNOWN";
-static unsigned int partition_number = -1;
-
-/* ------------------------------------------------------------
- * Routines for managing the command/response queue
- */
-/**
- * rpavscsi_handle_event: - Interrupt handler for crq events
- * @irq:	number of irq to handle, not used
- * @dev_instance: ibmvscsi_host_data of host that received interrupt
- *
- * Disables interrupts and schedules srp_task
- * Always returns IRQ_HANDLED
- */
-static irqreturn_t rpavscsi_handle_event(int irq, void *dev_instance)
-{
-	struct ibmvscsi_host_data *hostdata =
-	    (struct ibmvscsi_host_data *)dev_instance;
-	vio_disable_interrupts(to_vio_dev(hostdata->dev));
-	tasklet_schedule(&hostdata->srp_task);
-	return IRQ_HANDLED;
-}
-
-/**
- * release_crq_queue: - Deallocates data and unregisters CRQ
- * @queue:	crq_queue to initialize and register
- * @host_data:	ibmvscsi_host_data of host
- *
- * Frees irq, deallocates a page for messages, unmaps dma, and unregisters
- * the crq with the hypervisor.
- */
-static void rpavscsi_release_crq_queue(struct crq_queue *queue,
-				       struct ibmvscsi_host_data *hostdata,
-				       int max_requests)
-{
-	long rc = 0;
-	struct vio_dev *vdev = to_vio_dev(hostdata->dev);
-	free_irq(vdev->irq, (void *)hostdata);
-	tasklet_kill(&hostdata->srp_task);
-	do {
-		if (rc)
-			msleep(100);
-		rc = plpar_hcall_norets(H_FREE_CRQ, vdev->unit_address);
-	} while ((rc == H_BUSY) || (H_IS_LONG_BUSY(rc)));
-	dma_unmap_single(hostdata->dev,
-			 queue->msg_token,
-			 queue->size * sizeof(*queue->msgs), DMA_BIDIRECTIONAL);
-	free_page((unsigned long)queue->msgs);
-}
-
-/**
- * crq_queue_next_crq: - Returns the next entry in message queue
- * @queue:	crq_queue to use
- *
- * Returns pointer to next entry in queue, or NULL if there are no new 
- * entried in the CRQ.
- */
-static struct viosrp_crq *crq_queue_next_crq(struct crq_queue *queue)
-{
-	struct viosrp_crq *crq;
-	unsigned long flags;
-
-	spin_lock_irqsave(&queue->lock, flags);
-	crq = &queue->msgs[queue->cur];
-	if (crq->valid & 0x80) {
-		if (++queue->cur == queue->size)
-			queue->cur = 0;
-	} else
-		crq = NULL;
-	spin_unlock_irqrestore(&queue->lock, flags);
-
-	return crq;
-}
-
-/**
- * rpavscsi_send_crq: - Send a CRQ
- * @hostdata:	the adapter
- * @word1:	the first 64 bits of the data
- * @word2:	the second 64 bits of the data
- */
-static int rpavscsi_send_crq(struct ibmvscsi_host_data *hostdata,
-			     u64 word1, u64 word2)
-{
-	struct vio_dev *vdev = to_vio_dev(hostdata->dev);
-
-	return plpar_hcall_norets(H_SEND_CRQ, vdev->unit_address, word1, word2);
-}
-
-/**
- * rpavscsi_task: - Process srps asynchronously
- * @data:	ibmvscsi_host_data of host
- */
-static void rpavscsi_task(void *data)
-{
-	struct ibmvscsi_host_data *hostdata = (struct ibmvscsi_host_data *)data;
-	struct vio_dev *vdev = to_vio_dev(hostdata->dev);
-	struct viosrp_crq *crq;
-	int done = 0;
-
-	while (!done) {
-		/* Pull all the valid messages off the CRQ */
-		while ((crq = crq_queue_next_crq(&hostdata->queue)) != NULL) {
-			ibmvscsi_handle_crq(crq, hostdata);
-			crq->valid = 0x00;
-		}
-
-		vio_enable_interrupts(vdev);
-		if ((crq = crq_queue_next_crq(&hostdata->queue)) != NULL) {
-			vio_disable_interrupts(vdev);
-			ibmvscsi_handle_crq(crq, hostdata);
-			crq->valid = 0x00;
-		} else {
-			done = 1;
-		}
-	}
-}
-
-static void gather_partition_info(void)
-{
-	struct device_node *rootdn;
-
-	const char *ppartition_name;
-	const unsigned int *p_number_ptr;
-
-	/* Retrieve information about this partition */
-	rootdn = of_find_node_by_path("/");
-	if (!rootdn) {
-		return;
-	}
-
-	ppartition_name = of_get_property(rootdn, "ibm,partition-name", NULL);
-	if (ppartition_name)
-		strncpy(partition_name, ppartition_name,
-				sizeof(partition_name));
-	p_number_ptr = of_get_property(rootdn, "ibm,partition-no", NULL);
-	if (p_number_ptr)
-		partition_number = *p_number_ptr;
-	of_node_put(rootdn);
-}
-
-static void set_adapter_info(struct ibmvscsi_host_data *hostdata)
-{
-	memset(&hostdata->madapter_info, 0x00,
-			sizeof(hostdata->madapter_info));
-
-	dev_info(hostdata->dev, "SRP_VERSION: %s\n", SRP_VERSION);
-	strcpy(hostdata->madapter_info.srp_version, SRP_VERSION);
-
-	strncpy(hostdata->madapter_info.partition_name, partition_name,
-			sizeof(hostdata->madapter_info.partition_name));
-
-	hostdata->madapter_info.partition_number = partition_number;
-
-	hostdata->madapter_info.mad_version = 1;
-	hostdata->madapter_info.os_type = 2;
-}
-
-/**
- * reset_crq_queue: - resets a crq after a failure
- * @queue:	crq_queue to initialize and register
- * @hostdata:	ibmvscsi_host_data of host
- *
- */
-static int rpavscsi_reset_crq_queue(struct crq_queue *queue,
-				    struct ibmvscsi_host_data *hostdata)
-{
-	int rc = 0;
-	struct vio_dev *vdev = to_vio_dev(hostdata->dev);
-
-	/* Close the CRQ */
-	do {
-		if (rc)
-			msleep(100);
-		rc = plpar_hcall_norets(H_FREE_CRQ, vdev->unit_address);
-	} while ((rc == H_BUSY) || (H_IS_LONG_BUSY(rc)));
-
-	/* Clean out the queue */
-	memset(queue->msgs, 0x00, PAGE_SIZE);
-	queue->cur = 0;
-
-	set_adapter_info(hostdata);
-
-	/* And re-open it again */
-	rc = plpar_hcall_norets(H_REG_CRQ,
-				vdev->unit_address,
-				queue->msg_token, PAGE_SIZE);
-	if (rc == 2) {
-		/* Adapter is good, but other end is not ready */
-		dev_warn(hostdata->dev, "Partner adapter not ready\n");
-	} else if (rc != 0) {
-		dev_warn(hostdata->dev, "couldn't register crq--rc 0x%x\n", rc);
-	}
-	return rc;
-}
-
-/**
- * initialize_crq_queue: - Initializes and registers CRQ with hypervisor
- * @queue:	crq_queue to initialize and register
- * @hostdata:	ibmvscsi_host_data of host
- *
- * Allocates a page for messages, maps it for dma, and registers
- * the crq with the hypervisor.
- * Returns zero on success.
- */
-static int rpavscsi_init_crq_queue(struct crq_queue *queue,
-				   struct ibmvscsi_host_data *hostdata,
-				   int max_requests)
-{
-	int rc;
-	int retrc;
-	struct vio_dev *vdev = to_vio_dev(hostdata->dev);
-
-	queue->msgs = (struct viosrp_crq *)get_zeroed_page(GFP_KERNEL);
-
-	if (!queue->msgs)
-		goto malloc_failed;
-	queue->size = PAGE_SIZE / sizeof(*queue->msgs);
-
-	queue->msg_token = dma_map_single(hostdata->dev, queue->msgs,
-					  queue->size * sizeof(*queue->msgs),
-					  DMA_BIDIRECTIONAL);
-
-	if (dma_mapping_error(hostdata->dev, queue->msg_token))
-		goto map_failed;
-
-	gather_partition_info();
-	set_adapter_info(hostdata);
-
-	retrc = rc = plpar_hcall_norets(H_REG_CRQ,
-				vdev->unit_address,
-				queue->msg_token, PAGE_SIZE);
-	if (rc == H_RESOURCE)
-		/* maybe kexecing and resource is busy. try a reset */
-		rc = rpavscsi_reset_crq_queue(queue,
-					      hostdata);
-
-	if (rc == 2) {
-		/* Adapter is good, but other end is not ready */
-		dev_warn(hostdata->dev, "Partner adapter not ready\n");
-		retrc = 0;
-	} else if (rc != 0) {
-		dev_warn(hostdata->dev, "Error %d opening adapter\n", rc);
-		goto reg_crq_failed;
-	}
-
-	queue->cur = 0;
-	spin_lock_init(&queue->lock);
-
-	tasklet_init(&hostdata->srp_task, (void *)rpavscsi_task,
-		     (unsigned long)hostdata);
-
-	if (request_irq(vdev->irq,
-			rpavscsi_handle_event,
-			0, "ibmvscsi", (void *)hostdata) != 0) {
-		dev_err(hostdata->dev, "couldn't register irq 0x%x\n",
-			vdev->irq);
-		goto req_irq_failed;
-	}
-
-	rc = vio_enable_interrupts(vdev);
-	if (rc != 0) {
-		dev_err(hostdata->dev, "Error %d enabling interrupts!!!\n", rc);
-		goto req_irq_failed;
-	}
-
-	return retrc;
-
-      req_irq_failed:
-	tasklet_kill(&hostdata->srp_task);
-	rc = 0;
-	do {
-		if (rc)
-			msleep(100);
-		rc = plpar_hcall_norets(H_FREE_CRQ, vdev->unit_address);
-	} while ((rc == H_BUSY) || (H_IS_LONG_BUSY(rc)));
-      reg_crq_failed:
-	dma_unmap_single(hostdata->dev,
-			 queue->msg_token,
-			 queue->size * sizeof(*queue->msgs), DMA_BIDIRECTIONAL);
-      map_failed:
-	free_page((unsigned long)queue->msgs);
-      malloc_failed:
-	return -1;
-}
-
-/**
- * reenable_crq_queue: - reenables a crq after
- * @queue:	crq_queue to initialize and register
- * @hostdata:	ibmvscsi_host_data of host
- *
- */
-static int rpavscsi_reenable_crq_queue(struct crq_queue *queue,
-				       struct ibmvscsi_host_data *hostdata)
-{
-	int rc = 0;
-	struct vio_dev *vdev = to_vio_dev(hostdata->dev);
-
-	/* Re-enable the CRQ */
-	do {
-		if (rc)
-			msleep(100);
-		rc = plpar_hcall_norets(H_ENABLE_CRQ, vdev->unit_address);
-	} while ((rc == H_IN_PROGRESS) || (rc == H_BUSY) || (H_IS_LONG_BUSY(rc)));
-
-	if (rc)
-		dev_err(hostdata->dev, "Error %d enabling adapter\n", rc);
-	return rc;
-}
-
-/**
- * rpavscsi_resume: - resume after suspend
- * @hostdata:	ibmvscsi_host_data of host
- *
- */
-static int rpavscsi_resume(struct ibmvscsi_host_data *hostdata)
-{
-	vio_disable_interrupts(to_vio_dev(hostdata->dev));
-	tasklet_schedule(&hostdata->srp_task);
-	return 0;
-}
-
-struct ibmvscsi_ops rpavscsi_ops = {
-	.init_crq_queue = rpavscsi_init_crq_queue,
-	.release_crq_queue = rpavscsi_release_crq_queue,
-	.reset_crq_queue = rpavscsi_reset_crq_queue,
-	.reenable_crq_queue = rpavscsi_reenable_crq_queue,
-	.send_crq = rpavscsi_send_crq,
-	.resume = rpavscsi_resume,
-};