staging: hv: Convert camel case struct fields in storvsc_api.h to lowercase
Convert camel case struct fields in vstorage.h to lowercase Signed-off-by: Abhishek Kane <v-abkane@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Hank Janssen <hjanssen@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Hank Janssen
Greg Kroah-Hartman
parent
d2aaba455f
commit
8a046024a7
@ -51,12 +51,12 @@ static int BlkVscOnDeviceAdd(struct hv_device *Device, void *AdditionalInfo)
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* id. For IDE devices, the device instance id is formatted as
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* <bus id> * - <device id> - 8899 - 000000000000.
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*/
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deviceInfo->PathId = Device->deviceInstance.data[3] << 24 |
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deviceInfo->path_id = Device->deviceInstance.data[3] << 24 |
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Device->deviceInstance.data[2] << 16 |
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Device->deviceInstance.data[1] << 8 |
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Device->deviceInstance.data[0];
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deviceInfo->TargetId = Device->deviceInstance.data[5] << 8 |
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deviceInfo->target_id = Device->deviceInstance.data[5] << 8 |
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Device->deviceInstance.data[4];
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return ret;
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@ -75,7 +75,7 @@ int BlkVscInitialize(struct hv_driver *Driver)
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Driver->name = gBlkDriverName;
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memcpy(&Driver->deviceType, &gBlkVscDeviceType, sizeof(struct hv_guid));
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storDriver->RequestExtSize = sizeof(struct storvsc_request_extension);
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storDriver->request_ext_size = sizeof(struct storvsc_request_extension);
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/*
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* Divide the ring buffer data size (which is 1 page less than the ring
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@ -83,20 +83,20 @@ int BlkVscInitialize(struct hv_driver *Driver)
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* by the max request size (which is
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* vmbus_channel_packet_multipage_buffer + struct vstor_packet + u64)
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*/
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storDriver->MaxOutstandingRequestsPerChannel =
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((storDriver->RingBufferSize - PAGE_SIZE) /
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storDriver->max_outstanding_req_per_channel =
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((storDriver->ring_buffer_size - PAGE_SIZE) /
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ALIGN_UP(MAX_MULTIPAGE_BUFFER_PACKET +
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sizeof(struct vstor_packet) + sizeof(u64),
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sizeof(u64)));
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DPRINT_INFO(BLKVSC, "max io outstd %u",
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storDriver->MaxOutstandingRequestsPerChannel);
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storDriver->max_outstanding_req_per_channel);
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/* Setup the dispatch table */
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storDriver->Base.OnDeviceAdd = BlkVscOnDeviceAdd;
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storDriver->Base.OnDeviceRemove = StorVscOnDeviceRemove;
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storDriver->Base.OnCleanup = StorVscOnCleanup;
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storDriver->OnIORequest = StorVscOnIORequest;
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storDriver->base.OnDeviceAdd = BlkVscOnDeviceAdd;
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storDriver->base.OnDeviceRemove = StorVscOnDeviceRemove;
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storDriver->base.OnCleanup = StorVscOnCleanup;
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storDriver->on_io_request = StorVscOnIORequest;
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return ret;
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}
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@ -177,13 +177,13 @@ static int blkvsc_drv_init(int (*drv_init)(struct hv_driver *drv))
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struct driver_context *drv_ctx = &g_blkvsc_drv.drv_ctx;
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int ret;
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storvsc_drv_obj->RingBufferSize = blkvsc_ringbuffer_size;
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storvsc_drv_obj->ring_buffer_size = blkvsc_ringbuffer_size;
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/* Callback to client driver to complete the initialization */
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drv_init(&storvsc_drv_obj->Base);
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drv_init(&storvsc_drv_obj->base);
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drv_ctx->driver.name = storvsc_drv_obj->Base.name;
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memcpy(&drv_ctx->class_id, &storvsc_drv_obj->Base.deviceType,
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drv_ctx->driver.name = storvsc_drv_obj->base.name;
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memcpy(&drv_ctx->class_id, &storvsc_drv_obj->base.deviceType,
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sizeof(struct hv_guid));
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drv_ctx->probe = blkvsc_probe;
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@ -230,8 +230,8 @@ static void blkvsc_drv_exit(void)
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device_unregister(current_dev);
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}
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if (storvsc_drv_obj->Base.OnCleanup)
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storvsc_drv_obj->Base.OnCleanup(&storvsc_drv_obj->Base);
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if (storvsc_drv_obj->base.OnCleanup)
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storvsc_drv_obj->base.OnCleanup(&storvsc_drv_obj->base);
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vmbus_child_driver_unregister(drv_ctx);
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@ -262,7 +262,7 @@ static int blkvsc_probe(struct device *device)
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DPRINT_DBG(BLKVSC_DRV, "blkvsc_probe - enter");
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if (!storvsc_drv_obj->Base.OnDeviceAdd) {
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if (!storvsc_drv_obj->base.OnDeviceAdd) {
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DPRINT_ERR(BLKVSC_DRV, "OnDeviceAdd() not set");
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ret = -1;
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goto Cleanup;
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@ -284,7 +284,7 @@ static int blkvsc_probe(struct device *device)
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blkdev->request_pool = kmem_cache_create(dev_name(&device_ctx->device),
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sizeof(struct blkvsc_request) +
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storvsc_drv_obj->RequestExtSize, 0,
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storvsc_drv_obj->request_ext_size, 0,
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SLAB_HWCACHE_ALIGN, NULL);
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if (!blkdev->request_pool) {
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ret = -ENOMEM;
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@ -293,7 +293,7 @@ static int blkvsc_probe(struct device *device)
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/* Call to the vsc driver to add the device */
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ret = storvsc_drv_obj->Base.OnDeviceAdd(device_obj, &device_info);
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ret = storvsc_drv_obj->base.OnDeviceAdd(device_obj, &device_info);
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if (ret != 0) {
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DPRINT_ERR(BLKVSC_DRV, "unable to add blkvsc device");
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goto Cleanup;
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@ -301,9 +301,9 @@ static int blkvsc_probe(struct device *device)
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blkdev->device_ctx = device_ctx;
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/* this identified the device 0 or 1 */
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blkdev->target = device_info.TargetId;
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blkdev->target = device_info.target_id;
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/* this identified the ide ctrl 0 or 1 */
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blkdev->path = device_info.PathId;
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blkdev->path = device_info.path_id;
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dev_set_drvdata(device, blkdev);
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@ -391,7 +391,7 @@ static int blkvsc_probe(struct device *device)
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return ret;
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Remove:
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storvsc_drv_obj->Base.OnDeviceRemove(device_obj);
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storvsc_drv_obj->base.OnDeviceRemove(device_obj);
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Cleanup:
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if (blkdev) {
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@ -459,9 +459,9 @@ static int blkvsc_do_flush(struct block_device_context *blkdev)
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blkvsc_req->req = NULL;
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blkvsc_req->write = 0;
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blkvsc_req->request.DataBuffer.PfnArray[0] = 0;
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blkvsc_req->request.DataBuffer.Offset = 0;
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blkvsc_req->request.DataBuffer.Length = 0;
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blkvsc_req->request.data_buffer.PfnArray[0] = 0;
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blkvsc_req->request.data_buffer.Offset = 0;
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blkvsc_req->request.data_buffer.Length = 0;
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blkvsc_req->cmnd[0] = SYNCHRONIZE_CACHE;
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blkvsc_req->cmd_len = 10;
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@ -506,9 +506,9 @@ static int blkvsc_do_inquiry(struct block_device_context *blkdev)
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blkvsc_req->req = NULL;
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blkvsc_req->write = 0;
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blkvsc_req->request.DataBuffer.PfnArray[0] = page_to_pfn(page_buf);
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blkvsc_req->request.DataBuffer.Offset = 0;
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blkvsc_req->request.DataBuffer.Length = 64;
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blkvsc_req->request.data_buffer.PfnArray[0] = page_to_pfn(page_buf);
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blkvsc_req->request.data_buffer.Offset = 0;
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blkvsc_req->request.data_buffer.Length = 64;
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blkvsc_req->cmnd[0] = INQUIRY;
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blkvsc_req->cmnd[1] = 0x1; /* Get product data */
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@ -593,9 +593,9 @@ static int blkvsc_do_read_capacity(struct block_device_context *blkdev)
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blkvsc_req->req = NULL;
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blkvsc_req->write = 0;
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blkvsc_req->request.DataBuffer.PfnArray[0] = page_to_pfn(page_buf);
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blkvsc_req->request.DataBuffer.Offset = 0;
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blkvsc_req->request.DataBuffer.Length = 8;
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blkvsc_req->request.data_buffer.PfnArray[0] = page_to_pfn(page_buf);
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blkvsc_req->request.data_buffer.Offset = 0;
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blkvsc_req->request.data_buffer.Length = 8;
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blkvsc_req->cmnd[0] = READ_CAPACITY;
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blkvsc_req->cmd_len = 16;
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@ -614,7 +614,7 @@ static int blkvsc_do_read_capacity(struct block_device_context *blkdev)
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wait_event_interruptible(blkvsc_req->wevent, blkvsc_req->cond);
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/* check error */
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if (blkvsc_req->request.Status) {
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if (blkvsc_req->request.status) {
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scsi_normalize_sense(blkvsc_req->sense_buffer,
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SCSI_SENSE_BUFFERSIZE, &sense_hdr);
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@ -670,9 +670,9 @@ static int blkvsc_do_read_capacity16(struct block_device_context *blkdev)
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blkvsc_req->req = NULL;
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blkvsc_req->write = 0;
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blkvsc_req->request.DataBuffer.PfnArray[0] = page_to_pfn(page_buf);
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blkvsc_req->request.DataBuffer.Offset = 0;
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blkvsc_req->request.DataBuffer.Length = 12;
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blkvsc_req->request.data_buffer.PfnArray[0] = page_to_pfn(page_buf);
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blkvsc_req->request.data_buffer.Offset = 0;
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blkvsc_req->request.data_buffer.Length = 12;
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blkvsc_req->cmnd[0] = 0x9E; /* READ_CAPACITY16; */
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blkvsc_req->cmd_len = 16;
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@ -691,7 +691,7 @@ static int blkvsc_do_read_capacity16(struct block_device_context *blkdev)
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wait_event_interruptible(blkvsc_req->wevent, blkvsc_req->cond);
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/* check error */
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if (blkvsc_req->request.Status) {
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if (blkvsc_req->request.status) {
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scsi_normalize_sense(blkvsc_req->sense_buffer,
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SCSI_SENSE_BUFFERSIZE, &sense_hdr);
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if (sense_hdr.asc == 0x3A) {
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@ -741,14 +741,14 @@ static int blkvsc_remove(struct device *device)
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DPRINT_DBG(BLKVSC_DRV, "blkvsc_remove()\n");
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if (!storvsc_drv_obj->Base.OnDeviceRemove)
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if (!storvsc_drv_obj->base.OnDeviceRemove)
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return -1;
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/*
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* Call to the vsc driver to let it know that the device is being
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* removed
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*/
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ret = storvsc_drv_obj->Base.OnDeviceRemove(device_obj);
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ret = storvsc_drv_obj->base.OnDeviceRemove(device_obj);
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if (ret != 0) {
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/* TODO: */
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DPRINT_ERR(BLKVSC_DRV,
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@ -865,38 +865,38 @@ static int blkvsc_submit_request(struct blkvsc_request *blkvsc_req,
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(blkvsc_req->write) ? "WRITE" : "READ",
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(unsigned long) blkvsc_req->sector_start,
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blkvsc_req->sector_count,
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blkvsc_req->request.DataBuffer.Offset,
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blkvsc_req->request.DataBuffer.Length);
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blkvsc_req->request.data_buffer.Offset,
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blkvsc_req->request.data_buffer.Length);
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#if 0
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for (i = 0; i < (blkvsc_req->request.DataBuffer.Length >> 12); i++) {
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for (i = 0; i < (blkvsc_req->request.data_buffer.Length >> 12); i++) {
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DPRINT_DBG(BLKVSC_DRV, "blkvsc_submit_request() - "
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"req %p pfn[%d] %llx\n",
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blkvsc_req, i,
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blkvsc_req->request.DataBuffer.PfnArray[i]);
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blkvsc_req->request.data_buffer.PfnArray[i]);
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}
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#endif
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storvsc_req = &blkvsc_req->request;
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storvsc_req->Extension = (void *)((unsigned long)blkvsc_req +
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storvsc_req->extension = (void *)((unsigned long)blkvsc_req +
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sizeof(struct blkvsc_request));
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storvsc_req->Type = blkvsc_req->write ? WRITE_TYPE : READ_TYPE;
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storvsc_req->type = blkvsc_req->write ? WRITE_TYPE : READ_TYPE;
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storvsc_req->OnIOCompletion = request_completion;
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storvsc_req->Context = blkvsc_req;
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storvsc_req->on_io_completion = request_completion;
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storvsc_req->context = blkvsc_req;
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storvsc_req->Host = blkdev->port;
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storvsc_req->Bus = blkdev->path;
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storvsc_req->TargetId = blkdev->target;
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storvsc_req->LunId = 0; /* this is not really used at all */
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storvsc_req->host = blkdev->port;
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storvsc_req->bus = blkdev->path;
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storvsc_req->target_id = blkdev->target;
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storvsc_req->lun_id = 0; /* this is not really used at all */
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storvsc_req->CdbLen = blkvsc_req->cmd_len;
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storvsc_req->Cdb = blkvsc_req->cmnd;
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storvsc_req->cdb_len = blkvsc_req->cmd_len;
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storvsc_req->cdb = blkvsc_req->cmnd;
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storvsc_req->SenseBuffer = blkvsc_req->sense_buffer;
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storvsc_req->SenseBufferSize = SCSI_SENSE_BUFFERSIZE;
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storvsc_req->sense_buffer = blkvsc_req->sense_buffer;
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storvsc_req->sense_buffer_size = SCSI_SENSE_BUFFERSIZE;
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ret = storvsc_drv_obj->OnIORequest(&blkdev->device_ctx->device_obj,
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ret = storvsc_drv_obj->on_io_request(&blkdev->device_ctx->device_obj,
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&blkvsc_req->request);
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if (ret == 0)
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blkdev->num_outstanding_reqs++;
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@ -992,8 +992,10 @@ static int blkvsc_do_request(struct block_device_context *blkdev,
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blkvsc_req->dev = blkdev;
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blkvsc_req->req = req;
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blkvsc_req->request.DataBuffer.Offset = bvec->bv_offset;
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blkvsc_req->request.DataBuffer.Length = 0;
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blkvsc_req->request.data_buffer.Offset
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= bvec->bv_offset;
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blkvsc_req->request.data_buffer.Length
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= 0;
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/* Add to the group */
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blkvsc_req->group = group;
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@ -1007,8 +1009,11 @@ static int blkvsc_do_request(struct block_device_context *blkdev,
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}
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/* Add the curr bvec/segment to the curr blkvsc_req */
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blkvsc_req->request.DataBuffer.PfnArray[databuf_idx] = page_to_pfn(bvec->bv_page);
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blkvsc_req->request.DataBuffer.Length += bvec->bv_len;
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blkvsc_req->request.data_buffer.
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PfnArray[databuf_idx]
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= page_to_pfn(bvec->bv_page);
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blkvsc_req->request.data_buffer.Length
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+= bvec->bv_len;
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prev_bvec = bvec;
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@ -1073,7 +1078,7 @@ static int blkvsc_do_request(struct block_device_context *blkdev,
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static void blkvsc_cmd_completion(struct hv_storvsc_request *request)
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{
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struct blkvsc_request *blkvsc_req =
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(struct blkvsc_request *)request->Context;
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(struct blkvsc_request *)request->context;
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struct block_device_context *blkdev =
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(struct block_device_context *)blkvsc_req->dev;
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struct scsi_sense_hdr sense_hdr;
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@ -1083,7 +1088,7 @@ static void blkvsc_cmd_completion(struct hv_storvsc_request *request)
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blkdev->num_outstanding_reqs--;
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if (blkvsc_req->request.Status)
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if (blkvsc_req->request.status)
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if (scsi_normalize_sense(blkvsc_req->sense_buffer,
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SCSI_SENSE_BUFFERSIZE, &sense_hdr))
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scsi_print_sense_hdr("blkvsc", &sense_hdr);
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@ -1095,7 +1100,7 @@ static void blkvsc_cmd_completion(struct hv_storvsc_request *request)
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static void blkvsc_request_completion(struct hv_storvsc_request *request)
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{
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struct blkvsc_request *blkvsc_req =
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(struct blkvsc_request *)request->Context;
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(struct blkvsc_request *)request->context;
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struct block_device_context *blkdev =
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(struct block_device_context *)blkvsc_req->dev;
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unsigned long flags;
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@ -1110,7 +1115,7 @@ static void blkvsc_request_completion(struct hv_storvsc_request *request)
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(blkvsc_req->write) ? "WRITE" : "READ",
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(unsigned long)blkvsc_req->sector_start,
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blkvsc_req->sector_count,
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blkvsc_req->request.DataBuffer.Length,
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blkvsc_req->request.data_buffer.Length,
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blkvsc_req->group->outstanding,
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blkdev->num_outstanding_reqs);
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@ -1137,7 +1142,7 @@ static void blkvsc_request_completion(struct hv_storvsc_request *request)
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list_del(&comp_req->req_entry);
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if (!__blk_end_request(comp_req->req,
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(!comp_req->request.Status ? 0 : -EIO),
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(!comp_req->request.status ? 0 : -EIO),
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comp_req->sector_count * blkdev->sector_size)) {
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/*
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* All the sectors have been xferred ie the
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@ -1195,7 +1200,7 @@ static int blkvsc_cancel_pending_reqs(struct block_device_context *blkdev)
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if (comp_req->req) {
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ret = __blk_end_request(comp_req->req,
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(!comp_req->request.Status ? 0 : -EIO),
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(!comp_req->request.status ? 0 : -EIO),
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comp_req->sector_count *
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blkdev->sector_size);
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@ -370,16 +370,16 @@ static void StorVscOnIOCompletion(struct hv_device *Device,
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/* ASSERT(request->OnIOCompletion != NULL); */
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/* Copy over the status...etc */
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request->Status = VStorPacket->vm_srb.scsi_status;
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request->status = VStorPacket->vm_srb.scsi_status;
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if (request->Status != 0 || VStorPacket->vm_srb.srb_status != 1) {
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if (request->status != 0 || VStorPacket->vm_srb.srb_status != 1) {
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DPRINT_WARN(STORVSC,
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"cmd 0x%x scsi status 0x%x srb status 0x%x\n",
|
||||
request->Cdb[0], VStorPacket->vm_srb.scsi_status,
|
||||
request->cdb[0], VStorPacket->vm_srb.scsi_status,
|
||||
VStorPacket->vm_srb.srb_status);
|
||||
}
|
||||
|
||||
if ((request->Status & 0xFF) == 0x02) {
|
||||
if ((request->status & 0xFF) == 0x02) {
|
||||
/* CHECK_CONDITION */
|
||||
if (VStorPacket->vm_srb.srb_status & 0x80) {
|
||||
/* autosense data available */
|
||||
@ -389,19 +389,19 @@ static void StorVscOnIOCompletion(struct hv_device *Device,
|
||||
|
||||
/* ASSERT(VStorPacket->vm_srb.sense_info_length <= */
|
||||
/* request->SenseBufferSize); */
|
||||
memcpy(request->SenseBuffer,
|
||||
memcpy(request->sense_buffer,
|
||||
VStorPacket->vm_srb.sense_data,
|
||||
VStorPacket->vm_srb.sense_info_length);
|
||||
|
||||
request->SenseBufferSize =
|
||||
request->sense_buffer_size =
|
||||
VStorPacket->vm_srb.sense_info_length;
|
||||
}
|
||||
}
|
||||
|
||||
/* TODO: */
|
||||
request->BytesXfer = VStorPacket->vm_srb.data_transfer_length;
|
||||
request->bytes_xfer = VStorPacket->vm_srb.data_transfer_length;
|
||||
|
||||
request->OnIOCompletion(request);
|
||||
request->on_io_completion(request);
|
||||
|
||||
atomic_dec(&storDevice->NumOutstandingRequests);
|
||||
|
||||
@ -501,7 +501,8 @@ static int StorVscConnectToVsp(struct hv_device *Device)
|
||||
|
||||
/* Open the channel */
|
||||
ret = vmbus_open(Device->channel,
|
||||
storDriver->RingBufferSize, storDriver->RingBufferSize,
|
||||
storDriver->ring_buffer_size,
|
||||
storDriver->ring_buffer_size,
|
||||
(void *)&props,
|
||||
sizeof(struct vmstorage_channel_properties),
|
||||
StorVscOnChannelCallback, Device);
|
||||
@ -551,13 +552,13 @@ static int StorVscOnDeviceAdd(struct hv_device *Device, void *AdditionalInfo)
|
||||
storChannel->PathId = props->PathId;
|
||||
storChannel->TargetId = props->TargetId; */
|
||||
|
||||
storDevice->PortNumber = deviceInfo->PortNumber;
|
||||
storDevice->PortNumber = deviceInfo->port_number;
|
||||
/* Send it back up */
|
||||
ret = StorVscConnectToVsp(Device);
|
||||
|
||||
/* deviceInfo->PortNumber = storDevice->PortNumber; */
|
||||
deviceInfo->PathId = storDevice->PathId;
|
||||
deviceInfo->TargetId = storDevice->TargetId;
|
||||
deviceInfo->path_id = storDevice->PathId;
|
||||
deviceInfo->target_id = storDevice->TargetId;
|
||||
|
||||
DPRINT_DBG(STORVSC, "assigned port %u, path %u target %u\n",
|
||||
storDevice->PortNumber, storDevice->PathId,
|
||||
@ -672,7 +673,7 @@ static int StorVscOnIORequest(struct hv_device *Device,
|
||||
int ret = 0;
|
||||
|
||||
requestExtension =
|
||||
(struct storvsc_request_extension *)Request->Extension;
|
||||
(struct storvsc_request_extension *)Request->extension;
|
||||
vstorPacket = &requestExtension->VStorPacket;
|
||||
storDevice = GetStorDevice(Device);
|
||||
|
||||
@ -681,8 +682,8 @@ static int StorVscOnIORequest(struct hv_device *Device,
|
||||
requestExtension);
|
||||
|
||||
DPRINT_DBG(STORVSC, "req %p len %d bus %d, target %d, lun %d cdblen %d",
|
||||
Request, Request->DataBuffer.Length, Request->Bus,
|
||||
Request->TargetId, Request->LunId, Request->CdbLen);
|
||||
Request, Request->data_buffer.Length, Request->bus,
|
||||
Request->target_id, Request->lun_id, Request->cdb_len);
|
||||
|
||||
if (!storDevice) {
|
||||
DPRINT_ERR(STORVSC, "unable to get stor device..."
|
||||
@ -702,19 +703,19 @@ static int StorVscOnIORequest(struct hv_device *Device,
|
||||
|
||||
vstorPacket->vm_srb.length = sizeof(struct vmscsi_request);
|
||||
|
||||
vstorPacket->vm_srb.port_number = Request->Host;
|
||||
vstorPacket->vm_srb.path_id = Request->Bus;
|
||||
vstorPacket->vm_srb.target_id = Request->TargetId;
|
||||
vstorPacket->vm_srb.lun = Request->LunId;
|
||||
vstorPacket->vm_srb.port_number = Request->host;
|
||||
vstorPacket->vm_srb.path_id = Request->bus;
|
||||
vstorPacket->vm_srb.target_id = Request->target_id;
|
||||
vstorPacket->vm_srb.lun = Request->lun_id;
|
||||
|
||||
vstorPacket->vm_srb.sense_info_length = SENSE_BUFFER_SIZE;
|
||||
|
||||
/* Copy over the scsi command descriptor block */
|
||||
vstorPacket->vm_srb.cdb_length = Request->CdbLen;
|
||||
memcpy(&vstorPacket->vm_srb.cdb, Request->Cdb, Request->CdbLen);
|
||||
vstorPacket->vm_srb.cdb_length = Request->cdb_len;
|
||||
memcpy(&vstorPacket->vm_srb.cdb, Request->cdb, Request->cdb_len);
|
||||
|
||||
vstorPacket->vm_srb.data_in = Request->Type;
|
||||
vstorPacket->vm_srb.data_transfer_length = Request->DataBuffer.Length;
|
||||
vstorPacket->vm_srb.data_in = Request->type;
|
||||
vstorPacket->vm_srb.data_transfer_length = Request->data_buffer.Length;
|
||||
|
||||
vstorPacket->operation = VSTOR_OPERATION_EXECUTE_SRB;
|
||||
|
||||
@ -728,9 +729,9 @@ static int StorVscOnIORequest(struct hv_device *Device,
|
||||
vstorPacket->vm_srb.sense_info_length,
|
||||
vstorPacket->vm_srb.cdb_length);
|
||||
|
||||
if (requestExtension->Request->DataBuffer.Length) {
|
||||
if (requestExtension->Request->data_buffer.Length) {
|
||||
ret = vmbus_sendpacket_multipagebuffer(Device->channel,
|
||||
&requestExtension->Request->DataBuffer,
|
||||
&requestExtension->Request->data_buffer,
|
||||
vstorPacket,
|
||||
sizeof(struct vstor_packet),
|
||||
(unsigned long)requestExtension);
|
||||
@ -785,7 +786,7 @@ int StorVscInitialize(struct hv_driver *Driver)
|
||||
memcpy(&Driver->deviceType, &gStorVscDeviceType,
|
||||
sizeof(struct hv_guid));
|
||||
|
||||
storDriver->RequestExtSize = sizeof(struct storvsc_request_extension);
|
||||
storDriver->request_ext_size = sizeof(struct storvsc_request_extension);
|
||||
|
||||
/*
|
||||
* Divide the ring buffer data size (which is 1 page less
|
||||
@ -793,22 +794,22 @@ int StorVscInitialize(struct hv_driver *Driver)
|
||||
* the ring buffer indices) by the max request size (which is
|
||||
* vmbus_channel_packet_multipage_buffer + struct vstor_packet + u64)
|
||||
*/
|
||||
storDriver->MaxOutstandingRequestsPerChannel =
|
||||
((storDriver->RingBufferSize - PAGE_SIZE) /
|
||||
storDriver->max_outstanding_req_per_channel =
|
||||
((storDriver->ring_buffer_size - PAGE_SIZE) /
|
||||
ALIGN_UP(MAX_MULTIPAGE_BUFFER_PACKET +
|
||||
sizeof(struct vstor_packet) + sizeof(u64),
|
||||
sizeof(u64)));
|
||||
|
||||
DPRINT_INFO(STORVSC, "max io %u, currently %u\n",
|
||||
storDriver->MaxOutstandingRequestsPerChannel,
|
||||
storDriver->max_outstanding_req_per_channel,
|
||||
STORVSC_MAX_IO_REQUESTS);
|
||||
|
||||
/* Setup the dispatch table */
|
||||
storDriver->Base.OnDeviceAdd = StorVscOnDeviceAdd;
|
||||
storDriver->Base.OnDeviceRemove = StorVscOnDeviceRemove;
|
||||
storDriver->Base.OnCleanup = StorVscOnCleanup;
|
||||
storDriver->base.OnDeviceAdd = StorVscOnDeviceAdd;
|
||||
storDriver->base.OnDeviceRemove = StorVscOnDeviceRemove;
|
||||
storDriver->base.OnCleanup = StorVscOnCleanup;
|
||||
|
||||
storDriver->OnIORequest = StorVscOnIORequest;
|
||||
storDriver->on_io_request = StorVscOnIORequest;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -53,58 +53,58 @@ enum storvsc_request_type{
|
||||
};
|
||||
|
||||
struct hv_storvsc_request {
|
||||
enum storvsc_request_type Type;
|
||||
u32 Host;
|
||||
u32 Bus;
|
||||
u32 TargetId;
|
||||
u32 LunId;
|
||||
u8 *Cdb;
|
||||
u32 CdbLen;
|
||||
u32 Status;
|
||||
u32 BytesXfer;
|
||||
enum storvsc_request_type type;
|
||||
u32 host;
|
||||
u32 bus;
|
||||
u32 target_id;
|
||||
u32 lun_id;
|
||||
u8 *cdb;
|
||||
u32 cdb_len;
|
||||
u32 status;
|
||||
u32 bytes_xfer;
|
||||
|
||||
unsigned char *SenseBuffer;
|
||||
u32 SenseBufferSize;
|
||||
unsigned char *sense_buffer;
|
||||
u32 sense_buffer_size;
|
||||
|
||||
void *Context;
|
||||
void *context;
|
||||
|
||||
void (*OnIOCompletion)(struct hv_storvsc_request *Request);
|
||||
void (*on_io_completion)(struct hv_storvsc_request *request);
|
||||
|
||||
/* This points to the memory after DataBuffer */
|
||||
void *Extension;
|
||||
void *extension;
|
||||
|
||||
struct hv_multipage_buffer DataBuffer;
|
||||
struct hv_multipage_buffer data_buffer;
|
||||
};
|
||||
|
||||
/* Represents the block vsc driver */
|
||||
struct storvsc_driver_object {
|
||||
/* Must be the first field */
|
||||
/* Which is a bug FIXME! */
|
||||
struct hv_driver Base;
|
||||
struct hv_driver base;
|
||||
|
||||
/* Set by caller (in bytes) */
|
||||
u32 RingBufferSize;
|
||||
u32 ring_buffer_size;
|
||||
|
||||
/* Allocate this much private extension for each I/O request */
|
||||
u32 RequestExtSize;
|
||||
u32 request_ext_size;
|
||||
|
||||
/* Maximum # of requests in flight per channel/device */
|
||||
u32 MaxOutstandingRequestsPerChannel;
|
||||
u32 max_outstanding_req_per_channel;
|
||||
|
||||
/* Specific to this driver */
|
||||
int (*OnIORequest)(struct hv_device *Device,
|
||||
struct hv_storvsc_request *Request);
|
||||
int (*on_io_request)(struct hv_device *device,
|
||||
struct hv_storvsc_request *request);
|
||||
};
|
||||
|
||||
struct storvsc_device_info {
|
||||
unsigned int PortNumber;
|
||||
unsigned char PathId;
|
||||
unsigned char TargetId;
|
||||
unsigned int port_number;
|
||||
unsigned char path_id;
|
||||
unsigned char target_id;
|
||||
};
|
||||
|
||||
/* Interface */
|
||||
int StorVscInitialize(struct hv_driver *driver);
|
||||
int StorVscOnHostReset(struct hv_device *Device);
|
||||
int StorVscOnHostReset(struct hv_device *device);
|
||||
int BlkVscInitialize(struct hv_driver *driver);
|
||||
|
||||
#endif /* _STORVSC_API_H_ */
|
||||
|
||||
@ -141,28 +141,28 @@ static int storvsc_drv_init(int (*drv_init)(struct hv_driver *drv))
|
||||
struct storvsc_driver_object *storvsc_drv_obj = &g_storvsc_drv.drv_obj;
|
||||
struct driver_context *drv_ctx = &g_storvsc_drv.drv_ctx;
|
||||
|
||||
storvsc_drv_obj->RingBufferSize = storvsc_ringbuffer_size;
|
||||
storvsc_drv_obj->ring_buffer_size = storvsc_ringbuffer_size;
|
||||
|
||||
/* Callback to client driver to complete the initialization */
|
||||
drv_init(&storvsc_drv_obj->Base);
|
||||
drv_init(&storvsc_drv_obj->base);
|
||||
|
||||
DPRINT_INFO(STORVSC_DRV,
|
||||
"request extension size %u, max outstanding reqs %u",
|
||||
storvsc_drv_obj->RequestExtSize,
|
||||
storvsc_drv_obj->MaxOutstandingRequestsPerChannel);
|
||||
storvsc_drv_obj->request_ext_size,
|
||||
storvsc_drv_obj->max_outstanding_req_per_channel);
|
||||
|
||||
if (storvsc_drv_obj->MaxOutstandingRequestsPerChannel <
|
||||
if (storvsc_drv_obj->max_outstanding_req_per_channel <
|
||||
STORVSC_MAX_IO_REQUESTS) {
|
||||
DPRINT_ERR(STORVSC_DRV,
|
||||
"The number of outstanding io requests (%d) "
|
||||
"is larger than that supported (%d) internally.",
|
||||
STORVSC_MAX_IO_REQUESTS,
|
||||
storvsc_drv_obj->MaxOutstandingRequestsPerChannel);
|
||||
storvsc_drv_obj->max_outstanding_req_per_channel);
|
||||
return -1;
|
||||
}
|
||||
|
||||
drv_ctx->driver.name = storvsc_drv_obj->Base.name;
|
||||
memcpy(&drv_ctx->class_id, &storvsc_drv_obj->Base.deviceType,
|
||||
drv_ctx->driver.name = storvsc_drv_obj->base.name;
|
||||
memcpy(&drv_ctx->class_id, &storvsc_drv_obj->base.deviceType,
|
||||
sizeof(struct hv_guid));
|
||||
|
||||
drv_ctx->probe = storvsc_probe;
|
||||
@ -207,8 +207,8 @@ static void storvsc_drv_exit(void)
|
||||
device_unregister(current_dev);
|
||||
}
|
||||
|
||||
if (storvsc_drv_obj->Base.OnCleanup)
|
||||
storvsc_drv_obj->Base.OnCleanup(&storvsc_drv_obj->Base);
|
||||
if (storvsc_drv_obj->base.OnCleanup)
|
||||
storvsc_drv_obj->base.OnCleanup(&storvsc_drv_obj->base);
|
||||
|
||||
vmbus_child_driver_unregister(drv_ctx);
|
||||
return;
|
||||
@ -232,7 +232,7 @@ static int storvsc_probe(struct device *device)
|
||||
struct host_device_context *host_device_ctx;
|
||||
struct storvsc_device_info device_info;
|
||||
|
||||
if (!storvsc_drv_obj->Base.OnDeviceAdd)
|
||||
if (!storvsc_drv_obj->base.OnDeviceAdd)
|
||||
return -1;
|
||||
|
||||
host = scsi_host_alloc(&scsi_driver,
|
||||
@ -253,7 +253,7 @@ static int storvsc_probe(struct device *device)
|
||||
host_device_ctx->request_pool =
|
||||
kmem_cache_create(dev_name(&device_ctx->device),
|
||||
sizeof(struct storvsc_cmd_request) +
|
||||
storvsc_drv_obj->RequestExtSize, 0,
|
||||
storvsc_drv_obj->request_ext_size, 0,
|
||||
SLAB_HWCACHE_ALIGN, NULL);
|
||||
|
||||
if (!host_device_ctx->request_pool) {
|
||||
@ -261,9 +261,9 @@ static int storvsc_probe(struct device *device)
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
device_info.PortNumber = host->host_no;
|
||||
device_info.port_number = host->host_no;
|
||||
/* Call to the vsc driver to add the device */
|
||||
ret = storvsc_drv_obj->Base.OnDeviceAdd(device_obj,
|
||||
ret = storvsc_drv_obj->base.OnDeviceAdd(device_obj,
|
||||
(void *)&device_info);
|
||||
if (ret != 0) {
|
||||
DPRINT_ERR(STORVSC_DRV, "unable to add scsi vsc device");
|
||||
@ -273,8 +273,8 @@ static int storvsc_probe(struct device *device)
|
||||
}
|
||||
|
||||
/* host_device_ctx->port = device_info.PortNumber; */
|
||||
host_device_ctx->path = device_info.PathId;
|
||||
host_device_ctx->target = device_info.TargetId;
|
||||
host_device_ctx->path = device_info.path_id;
|
||||
host_device_ctx->target = device_info.target_id;
|
||||
|
||||
/* max # of devices per target */
|
||||
host->max_lun = STORVSC_MAX_LUNS_PER_TARGET;
|
||||
@ -288,7 +288,7 @@ static int storvsc_probe(struct device *device)
|
||||
if (ret != 0) {
|
||||
DPRINT_ERR(STORVSC_DRV, "unable to add scsi host device");
|
||||
|
||||
storvsc_drv_obj->Base.OnDeviceRemove(device_obj);
|
||||
storvsc_drv_obj->base.OnDeviceRemove(device_obj);
|
||||
|
||||
kmem_cache_destroy(host_device_ctx->request_pool);
|
||||
scsi_host_put(host);
|
||||
@ -318,14 +318,14 @@ static int storvsc_remove(struct device *device)
|
||||
(struct host_device_context *)host->hostdata;
|
||||
|
||||
|
||||
if (!storvsc_drv_obj->Base.OnDeviceRemove)
|
||||
if (!storvsc_drv_obj->base.OnDeviceRemove)
|
||||
return -1;
|
||||
|
||||
/*
|
||||
* Call to the vsc driver to let it know that the device is being
|
||||
* removed
|
||||
*/
|
||||
ret = storvsc_drv_obj->Base.OnDeviceRemove(device_obj);
|
||||
ret = storvsc_drv_obj->base.OnDeviceRemove(device_obj);
|
||||
if (ret != 0) {
|
||||
/* TODO: */
|
||||
DPRINT_ERR(STORVSC, "unable to remove vsc device (ret %d)",
|
||||
@ -351,7 +351,7 @@ static int storvsc_remove(struct device *device)
|
||||
static void storvsc_commmand_completion(struct hv_storvsc_request *request)
|
||||
{
|
||||
struct storvsc_cmd_request *cmd_request =
|
||||
(struct storvsc_cmd_request *)request->Context;
|
||||
(struct storvsc_cmd_request *)request->context;
|
||||
struct scsi_cmnd *scmnd = cmd_request->cmd;
|
||||
struct host_device_context *host_device_ctx =
|
||||
(struct host_device_context *)scmnd->device->host->hostdata;
|
||||
@ -376,16 +376,17 @@ static void storvsc_commmand_completion(struct hv_storvsc_request *request)
|
||||
cmd_request->bounce_sgl_count);
|
||||
}
|
||||
|
||||
scmnd->result = request->Status;
|
||||
scmnd->result = request->status;
|
||||
|
||||
if (scmnd->result) {
|
||||
if (scsi_normalize_sense(scmnd->sense_buffer,
|
||||
request->SenseBufferSize, &sense_hdr))
|
||||
request->sense_buffer_size, &sense_hdr))
|
||||
scsi_print_sense_hdr("storvsc", &sense_hdr);
|
||||
}
|
||||
|
||||
/* ASSERT(request->BytesXfer <= request->DataBuffer.Length); */
|
||||
scsi_set_resid(scmnd, request->DataBuffer.Length - request->BytesXfer);
|
||||
/* ASSERT(request->BytesXfer <= request->data_buffer.Length); */
|
||||
scsi_set_resid(scmnd,
|
||||
request->data_buffer.Length - request->bytes_xfer);
|
||||
|
||||
scsi_done_fn = scmnd->scsi_done;
|
||||
|
||||
@ -658,42 +659,42 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd,
|
||||
|
||||
request = &cmd_request->request;
|
||||
|
||||
request->Extension =
|
||||
request->extension =
|
||||
(void *)((unsigned long)cmd_request + request_size);
|
||||
DPRINT_DBG(STORVSC_DRV, "req %p size %d ext %d", request, request_size,
|
||||
storvsc_drv_obj->RequestExtSize);
|
||||
storvsc_drv_obj->request_ext_size);
|
||||
|
||||
/* Build the SRB */
|
||||
switch (scmnd->sc_data_direction) {
|
||||
case DMA_TO_DEVICE:
|
||||
request->Type = WRITE_TYPE;
|
||||
request->type = WRITE_TYPE;
|
||||
break;
|
||||
case DMA_FROM_DEVICE:
|
||||
request->Type = READ_TYPE;
|
||||
request->type = READ_TYPE;
|
||||
break;
|
||||
default:
|
||||
request->Type = UNKNOWN_TYPE;
|
||||
request->type = UNKNOWN_TYPE;
|
||||
break;
|
||||
}
|
||||
|
||||
request->OnIOCompletion = storvsc_commmand_completion;
|
||||
request->Context = cmd_request;/* scmnd; */
|
||||
request->on_io_completion = storvsc_commmand_completion;
|
||||
request->context = cmd_request;/* scmnd; */
|
||||
|
||||
/* request->PortId = scmnd->device->channel; */
|
||||
request->Host = host_device_ctx->port;
|
||||
request->Bus = scmnd->device->channel;
|
||||
request->TargetId = scmnd->device->id;
|
||||
request->LunId = scmnd->device->lun;
|
||||
request->host = host_device_ctx->port;
|
||||
request->bus = scmnd->device->channel;
|
||||
request->target_id = scmnd->device->id;
|
||||
request->lun_id = scmnd->device->lun;
|
||||
|
||||
/* ASSERT(scmnd->cmd_len <= 16); */
|
||||
request->CdbLen = scmnd->cmd_len;
|
||||
request->Cdb = scmnd->cmnd;
|
||||
request->cdb_len = scmnd->cmd_len;
|
||||
request->cdb = scmnd->cmnd;
|
||||
|
||||
request->SenseBuffer = scmnd->sense_buffer;
|
||||
request->SenseBufferSize = SCSI_SENSE_BUFFERSIZE;
|
||||
request->sense_buffer = scmnd->sense_buffer;
|
||||
request->sense_buffer_size = SCSI_SENSE_BUFFERSIZE;
|
||||
|
||||
|
||||
request->DataBuffer.Length = scsi_bufflen(scmnd);
|
||||
request->data_buffer.Length = scsi_bufflen(scmnd);
|
||||
if (scsi_sg_count(scmnd)) {
|
||||
sgl = (struct scatterlist *)scsi_sglist(scmnd);
|
||||
sg_count = scsi_sg_count(scmnd);
|
||||
@ -734,25 +735,25 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd,
|
||||
sg_count = cmd_request->bounce_sgl_count;
|
||||
}
|
||||
|
||||
request->DataBuffer.Offset = sgl[0].offset;
|
||||
request->data_buffer.Offset = sgl[0].offset;
|
||||
|
||||
for (i = 0; i < sg_count; i++) {
|
||||
DPRINT_DBG(STORVSC_DRV, "sgl[%d] len %d offset %d\n",
|
||||
i, sgl[i].length, sgl[i].offset);
|
||||
request->DataBuffer.PfnArray[i] =
|
||||
request->data_buffer.PfnArray[i] =
|
||||
page_to_pfn(sg_page((&sgl[i])));
|
||||
}
|
||||
} else if (scsi_sglist(scmnd)) {
|
||||
/* ASSERT(scsi_bufflen(scmnd) <= PAGE_SIZE); */
|
||||
request->DataBuffer.Offset =
|
||||
request->data_buffer.Offset =
|
||||
virt_to_phys(scsi_sglist(scmnd)) & (PAGE_SIZE-1);
|
||||
request->DataBuffer.PfnArray[0] =
|
||||
request->data_buffer.PfnArray[0] =
|
||||
virt_to_phys(scsi_sglist(scmnd)) >> PAGE_SHIFT;
|
||||
}
|
||||
|
||||
retry_request:
|
||||
/* Invokes the vsc to start an IO */
|
||||
ret = storvsc_drv_obj->OnIORequest(&device_ctx->device_obj,
|
||||
ret = storvsc_drv_obj->on_io_request(&device_ctx->device_obj,
|
||||
&cmd_request->request);
|
||||
if (ret == -1) {
|
||||
/* no more space */
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user