#include <linux/major.h>
#include <linux/delay.h>
#include <linux/hdreg.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/slab.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
};
/* Static decl */
+static DEFINE_MUTEX(blkvsc_mutex);
static int blkvsc_probe(struct device *dev);
static int blkvsc_remove(struct device *device);
static void blkvsc_shutdown(struct device *device);
struct driver_context *drv_ctx = &g_blkvsc_drv.drv_ctx;
int ret;
- vmbus_get_interface(&storvsc_drv_obj->Base.VmbusChannelInterface);
-
- storvsc_drv_obj->RingBufferSize = blkvsc_ringbuffer_size;
+ storvsc_drv_obj->ring_buffer_size = blkvsc_ringbuffer_size;
/* Callback to client driver to complete the initialization */
- drv_init(&storvsc_drv_obj->Base);
+ drv_init(&storvsc_drv_obj->base);
- 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 = blkvsc_probe;
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);
DPRINT_DBG(BLKVSC_DRV, "blkvsc_probe - enter");
- if (!storvsc_drv_obj->Base.OnDeviceAdd) {
+ if (!storvsc_drv_obj->base.OnDeviceAdd) {
DPRINT_ERR(BLKVSC_DRV, "OnDeviceAdd() not set");
ret = -1;
goto Cleanup;
blkdev->request_pool = kmem_cache_create(dev_name(&device_ctx->device),
sizeof(struct blkvsc_request) +
- storvsc_drv_obj->RequestExtSize, 0,
+ storvsc_drv_obj->request_ext_size, 0,
SLAB_HWCACHE_ALIGN, NULL);
if (!blkdev->request_pool) {
ret = -ENOMEM;
/* Call to the vsc driver to add the device */
- ret = storvsc_drv_obj->Base.OnDeviceAdd(device_obj, &device_info);
+ ret = storvsc_drv_obj->base.OnDeviceAdd(device_obj, &device_info);
if (ret != 0) {
DPRINT_ERR(BLKVSC_DRV, "unable to add blkvsc device");
goto Cleanup;
blkdev->device_ctx = device_ctx;
/* this identified the device 0 or 1 */
- blkdev->target = device_info.TargetId;
+ blkdev->target = device_info.target_id;
/* this identified the ide ctrl 0 or 1 */
- blkdev->path = device_info.PathId;
+ blkdev->path = device_info.path_id;
dev_set_drvdata(device, blkdev);
blkdev->gd->first_minor = 0;
blkdev->gd->fops = &block_ops;
blkdev->gd->private_data = blkdev;
+ blkdev->gd->driverfs_dev = &(blkdev->device_ctx->device);
sprintf(blkdev->gd->disk_name, "hd%c", 'a' + devnum);
blkvsc_do_inquiry(blkdev);
return ret;
Remove:
- storvsc_drv_obj->Base.OnDeviceRemove(device_obj);
+ storvsc_drv_obj->base.OnDeviceRemove(device_obj);
Cleanup:
if (blkdev) {
blkvsc_req->req = NULL;
blkvsc_req->write = 0;
- blkvsc_req->request.DataBuffer.PfnArray[0] = 0;
- blkvsc_req->request.DataBuffer.Offset = 0;
- blkvsc_req->request.DataBuffer.Length = 0;
+ blkvsc_req->request.data_buffer.PfnArray[0] = 0;
+ blkvsc_req->request.data_buffer.Offset = 0;
+ blkvsc_req->request.data_buffer.Length = 0;
blkvsc_req->cmnd[0] = SYNCHRONIZE_CACHE;
blkvsc_req->cmd_len = 10;
blkvsc_req->req = NULL;
blkvsc_req->write = 0;
- blkvsc_req->request.DataBuffer.PfnArray[0] = page_to_pfn(page_buf);
- blkvsc_req->request.DataBuffer.Offset = 0;
- blkvsc_req->request.DataBuffer.Length = 64;
+ blkvsc_req->request.data_buffer.PfnArray[0] = page_to_pfn(page_buf);
+ blkvsc_req->request.data_buffer.Offset = 0;
+ blkvsc_req->request.data_buffer.Length = 64;
blkvsc_req->cmnd[0] = INQUIRY;
blkvsc_req->cmnd[1] = 0x1; /* Get product data */
blkvsc_req->req = NULL;
blkvsc_req->write = 0;
- blkvsc_req->request.DataBuffer.PfnArray[0] = page_to_pfn(page_buf);
- blkvsc_req->request.DataBuffer.Offset = 0;
- blkvsc_req->request.DataBuffer.Length = 8;
+ blkvsc_req->request.data_buffer.PfnArray[0] = page_to_pfn(page_buf);
+ blkvsc_req->request.data_buffer.Offset = 0;
+ blkvsc_req->request.data_buffer.Length = 8;
blkvsc_req->cmnd[0] = READ_CAPACITY;
blkvsc_req->cmd_len = 16;
wait_event_interruptible(blkvsc_req->wevent, blkvsc_req->cond);
/* check error */
- if (blkvsc_req->request.Status) {
+ if (blkvsc_req->request.status) {
scsi_normalize_sense(blkvsc_req->sense_buffer,
SCSI_SENSE_BUFFERSIZE, &sense_hdr);
blkvsc_req->req = NULL;
blkvsc_req->write = 0;
- blkvsc_req->request.DataBuffer.PfnArray[0] = page_to_pfn(page_buf);
- blkvsc_req->request.DataBuffer.Offset = 0;
- blkvsc_req->request.DataBuffer.Length = 12;
+ blkvsc_req->request.data_buffer.PfnArray[0] = page_to_pfn(page_buf);
+ blkvsc_req->request.data_buffer.Offset = 0;
+ blkvsc_req->request.data_buffer.Length = 12;
blkvsc_req->cmnd[0] = 0x9E; /* READ_CAPACITY16; */
blkvsc_req->cmd_len = 16;
wait_event_interruptible(blkvsc_req->wevent, blkvsc_req->cond);
/* check error */
- if (blkvsc_req->request.Status) {
+ if (blkvsc_req->request.status) {
scsi_normalize_sense(blkvsc_req->sense_buffer,
SCSI_SENSE_BUFFERSIZE, &sense_hdr);
if (sense_hdr.asc == 0x3A) {
DPRINT_DBG(BLKVSC_DRV, "blkvsc_remove()\n");
- 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(BLKVSC_DRV,
(blkvsc_req->write) ? "WRITE" : "READ",
(unsigned long) blkvsc_req->sector_start,
blkvsc_req->sector_count,
- blkvsc_req->request.DataBuffer.Offset,
- blkvsc_req->request.DataBuffer.Length);
+ blkvsc_req->request.data_buffer.Offset,
+ blkvsc_req->request.data_buffer.Length);
#if 0
- for (i = 0; i < (blkvsc_req->request.DataBuffer.Length >> 12); i++) {
+ for (i = 0; i < (blkvsc_req->request.data_buffer.Length >> 12); i++) {
DPRINT_DBG(BLKVSC_DRV, "blkvsc_submit_request() - "
"req %p pfn[%d] %llx\n",
blkvsc_req, i,
- blkvsc_req->request.DataBuffer.PfnArray[i]);
+ blkvsc_req->request.data_buffer.PfnArray[i]);
}
#endif
storvsc_req = &blkvsc_req->request;
- storvsc_req->Extension = (void *)((unsigned long)blkvsc_req +
+ storvsc_req->extension = (void *)((unsigned long)blkvsc_req +
sizeof(struct blkvsc_request));
- storvsc_req->Type = blkvsc_req->write ? WRITE_TYPE : READ_TYPE;
+ storvsc_req->type = blkvsc_req->write ? WRITE_TYPE : READ_TYPE;
- storvsc_req->OnIOCompletion = request_completion;
- storvsc_req->Context = blkvsc_req;
+ storvsc_req->on_io_completion = request_completion;
+ storvsc_req->context = blkvsc_req;
- storvsc_req->Host = blkdev->port;
- storvsc_req->Bus = blkdev->path;
- storvsc_req->TargetId = blkdev->target;
- storvsc_req->LunId = 0; /* this is not really used at all */
+ storvsc_req->host = blkdev->port;
+ storvsc_req->bus = blkdev->path;
+ storvsc_req->target_id = blkdev->target;
+ storvsc_req->lun_id = 0; /* this is not really used at all */
- storvsc_req->CdbLen = blkvsc_req->cmd_len;
- storvsc_req->Cdb = blkvsc_req->cmnd;
+ storvsc_req->cdb_len = blkvsc_req->cmd_len;
+ storvsc_req->cdb = blkvsc_req->cmnd;
- storvsc_req->SenseBuffer = blkvsc_req->sense_buffer;
- storvsc_req->SenseBufferSize = SCSI_SENSE_BUFFERSIZE;
+ storvsc_req->sense_buffer = blkvsc_req->sense_buffer;
+ storvsc_req->sense_buffer_size = SCSI_SENSE_BUFFERSIZE;
- ret = storvsc_drv_obj->OnIORequest(&blkdev->device_ctx->device_obj,
+ ret = storvsc_drv_obj->on_io_request(&blkdev->device_ctx->device_obj,
&blkvsc_req->request);
if (ret == 0)
blkdev->num_outstanding_reqs++;
blkvsc_req->dev = blkdev;
blkvsc_req->req = req;
- blkvsc_req->request.DataBuffer.Offset = bvec->bv_offset;
- blkvsc_req->request.DataBuffer.Length = 0;
+ blkvsc_req->request.data_buffer.Offset
+ = bvec->bv_offset;
+ blkvsc_req->request.data_buffer.Length
+ = 0;
/* Add to the group */
blkvsc_req->group = group;
}
/* Add the curr bvec/segment to the curr blkvsc_req */
- blkvsc_req->request.DataBuffer.PfnArray[databuf_idx] = page_to_pfn(bvec->bv_page);
- blkvsc_req->request.DataBuffer.Length += bvec->bv_len;
+ blkvsc_req->request.data_buffer.
+ PfnArray[databuf_idx]
+ = page_to_pfn(bvec->bv_page);
+ blkvsc_req->request.data_buffer.Length
+ += bvec->bv_len;
prev_bvec = bvec;
static void blkvsc_cmd_completion(struct hv_storvsc_request *request)
{
struct blkvsc_request *blkvsc_req =
- (struct blkvsc_request *)request->Context;
+ (struct blkvsc_request *)request->context;
struct block_device_context *blkdev =
(struct block_device_context *)blkvsc_req->dev;
struct scsi_sense_hdr sense_hdr;
blkdev->num_outstanding_reqs--;
- if (blkvsc_req->request.Status)
+ if (blkvsc_req->request.status)
if (scsi_normalize_sense(blkvsc_req->sense_buffer,
SCSI_SENSE_BUFFERSIZE, &sense_hdr))
scsi_print_sense_hdr("blkvsc", &sense_hdr);
static void blkvsc_request_completion(struct hv_storvsc_request *request)
{
struct blkvsc_request *blkvsc_req =
- (struct blkvsc_request *)request->Context;
+ (struct blkvsc_request *)request->context;
struct block_device_context *blkdev =
(struct block_device_context *)blkvsc_req->dev;
unsigned long flags;
(blkvsc_req->write) ? "WRITE" : "READ",
(unsigned long)blkvsc_req->sector_start,
blkvsc_req->sector_count,
- blkvsc_req->request.DataBuffer.Length,
+ blkvsc_req->request.data_buffer.Length,
blkvsc_req->group->outstanding,
blkdev->num_outstanding_reqs);
list_del(&comp_req->req_entry);
if (!__blk_end_request(comp_req->req,
- (!comp_req->request.Status ? 0 : -EIO),
+ (!comp_req->request.status ? 0 : -EIO),
comp_req->sector_count * blkdev->sector_size)) {
/*
* All the sectors have been xferred ie the
if (comp_req->req) {
ret = __blk_end_request(comp_req->req,
- (!comp_req->request.Status ? 0 : -EIO),
+ (!comp_req->request.status ? 0 : -EIO),
comp_req->sector_count *
blkdev->sector_size);
DPRINT_DBG(BLKVSC_DRV, "- users %d disk %s\n", blkdev->users,
blkdev->gd->disk_name);
- lock_kernel();
+ mutex_lock(&blkvsc_mutex);
spin_lock(&blkdev->lock);
if (!blkdev->users && blkdev->device_type == DVD_TYPE) {
blkdev->users++;
spin_unlock(&blkdev->lock);
- unlock_kernel();
+ mutex_unlock(&blkvsc_mutex);
return 0;
}
DPRINT_DBG(BLKVSC_DRV, "- users %d disk %s\n", blkdev->users,
blkdev->gd->disk_name);
- lock_kernel();
+ mutex_lock(&blkvsc_mutex);
spin_lock(&blkdev->lock);
if (blkdev->users == 1) {
spin_unlock(&blkdev->lock);
blkdev->users--;
spin_unlock(&blkdev->lock);
- unlock_kernel();
+ mutex_unlock(&blkvsc_mutex);
return 0;
}
DPRINT_INFO(BLKVSC_DRV, "Blkvsc initializing....");
- ret = blkvsc_drv_init(BlkVscInitialize);
+ ret = blkvsc_drv_init(blk_vsc_initialize);
return ret;
}
projects / mv-sheeva.git / blobdiff