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@@ -50,7 +50,7 @@ struct storvsc_device {
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/* 0 indicates the device is being destroyed */
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atomic_t ref_count;
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- atomic_t num_outstanding_requests;
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+ atomic_t num_outstanding_req;
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/*
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* Each unique Port/Path/Target represents 1 channel ie scsi
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@@ -81,119 +81,119 @@ static const struct hv_guid gStorVscDeviceType = {
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};
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-static inline struct storvsc_device *alloc_stor_device(struct hv_device *Device)
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+static inline struct storvsc_device *alloc_stor_device(struct hv_device *device)
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{
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- struct storvsc_device *storDevice;
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+ struct storvsc_device *stor_device;
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- storDevice = kzalloc(sizeof(struct storvsc_device), GFP_KERNEL);
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- if (!storDevice)
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+ stor_device = kzalloc(sizeof(struct storvsc_device), GFP_KERNEL);
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+ if (!stor_device)
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return NULL;
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/* Set to 2 to allow both inbound and outbound traffics */
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/* (ie get_stor_device() and must_get_stor_device()) to proceed. */
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- atomic_cmpxchg(&storDevice->ref_count, 0, 2);
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+ atomic_cmpxchg(&stor_device->ref_count, 0, 2);
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- storDevice->device = Device;
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- Device->Extension = storDevice;
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+ stor_device->device = device;
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+ device->Extension = stor_device;
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- return storDevice;
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+ return stor_device;
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}
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-static inline void free_stor_device(struct storvsc_device *Device)
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+static inline void free_stor_device(struct storvsc_device *device)
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{
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- /* ASSERT(atomic_read(&Device->ref_count) == 0); */
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- kfree(Device);
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+ /* ASSERT(atomic_read(&device->ref_count) == 0); */
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+ kfree(device);
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}
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/* Get the stordevice object iff exists and its refcount > 1 */
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-static inline struct storvsc_device *get_stor_device(struct hv_device *Device)
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+static inline struct storvsc_device *get_stor_device(struct hv_device *device)
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{
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- struct storvsc_device *storDevice;
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+ struct storvsc_device *stor_device;
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- storDevice = (struct storvsc_device *)Device->Extension;
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- if (storDevice && atomic_read(&storDevice->ref_count) > 1)
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- atomic_inc(&storDevice->ref_count);
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+ stor_device = (struct storvsc_device *)device->Extension;
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+ if (stor_device && atomic_read(&stor_device->ref_count) > 1)
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+ atomic_inc(&stor_device->ref_count);
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else
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- storDevice = NULL;
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+ stor_device = NULL;
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- return storDevice;
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+ return stor_device;
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}
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/* Get the stordevice object iff exists and its refcount > 0 */
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static inline struct storvsc_device *must_get_stor_device(
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- struct hv_device *Device)
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+ struct hv_device *device)
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{
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- struct storvsc_device *storDevice;
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+ struct storvsc_device *stor_device;
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- storDevice = (struct storvsc_device *)Device->Extension;
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- if (storDevice && atomic_read(&storDevice->ref_count))
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- atomic_inc(&storDevice->ref_count);
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+ stor_device = (struct storvsc_device *)device->Extension;
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+ if (stor_device && atomic_read(&stor_device->ref_count))
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+ atomic_inc(&stor_device->ref_count);
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else
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- storDevice = NULL;
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+ stor_device = NULL;
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- return storDevice;
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+ return stor_device;
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}
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-static inline void put_stor_device(struct hv_device *Device)
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+static inline void put_stor_device(struct hv_device *device)
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{
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- struct storvsc_device *storDevice;
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+ struct storvsc_device *stor_device;
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- storDevice = (struct storvsc_device *)Device->Extension;
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- /* ASSERT(storDevice); */
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+ stor_device = (struct storvsc_device *)device->Extension;
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+ /* ASSERT(stor_device); */
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- atomic_dec(&storDevice->ref_count);
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- /* ASSERT(atomic_read(&storDevice->ref_count)); */
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+ atomic_dec(&stor_device->ref_count);
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+ /* ASSERT(atomic_read(&stor_device->ref_count)); */
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}
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/* Drop ref count to 1 to effectively disable get_stor_device() */
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static inline struct storvsc_device *release_stor_device(
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- struct hv_device *Device)
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+ struct hv_device *device)
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{
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- struct storvsc_device *storDevice;
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+ struct storvsc_device *stor_device;
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- storDevice = (struct storvsc_device *)Device->Extension;
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- /* ASSERT(storDevice); */
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+ stor_device = (struct storvsc_device *)device->Extension;
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+ /* ASSERT(stor_device); */
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/* Busy wait until the ref drop to 2, then set it to 1 */
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- while (atomic_cmpxchg(&storDevice->ref_count, 2, 1) != 2)
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+ while (atomic_cmpxchg(&stor_device->ref_count, 2, 1) != 2)
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udelay(100);
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- return storDevice;
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+ return stor_device;
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}
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-/* Drop ref count to 0. No one can use StorDevice object. */
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+/* Drop ref count to 0. No one can use stor_device object. */
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static inline struct storvsc_device *final_release_stor_device(
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- struct hv_device *Device)
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+ struct hv_device *device)
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{
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- struct storvsc_device *storDevice;
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+ struct storvsc_device *stor_device;
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- storDevice = (struct storvsc_device *)Device->Extension;
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- /* ASSERT(storDevice); */
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+ stor_device = (struct storvsc_device *)device->Extension;
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+ /* ASSERT(stor_device); */
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/* Busy wait until the ref drop to 1, then set it to 0 */
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- while (atomic_cmpxchg(&storDevice->ref_count, 1, 0) != 1)
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+ while (atomic_cmpxchg(&stor_device->ref_count, 1, 0) != 1)
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udelay(100);
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- Device->Extension = NULL;
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- return storDevice;
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+ device->Extension = NULL;
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+ return stor_device;
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}
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-static int stor_vsc_channel_init(struct hv_device *Device)
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+static int stor_vsc_channel_init(struct hv_device *device)
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{
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- struct storvsc_device *storDevice;
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+ struct storvsc_device *stor_device;
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struct storvsc_request_extension *request;
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- struct vstor_packet *vstorPacket;
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+ struct vstor_packet *vstor_packet;
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int ret;
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- storDevice = get_stor_device(Device);
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- if (!storDevice) {
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+ stor_device = get_stor_device(device);
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+ if (!stor_device) {
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DPRINT_ERR(STORVSC, "unable to get stor device..."
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"device being destroyed?");
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return -1;
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}
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- request = &storDevice->init_request;
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- vstorPacket = &request->vstor_packet;
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+ request = &stor_device->init_request;
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+ vstor_packet = &request->vstor_packet;
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/*
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* Now, initiate the vsc/vsp initialization protocol on the open
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@@ -206,8 +206,8 @@ static int stor_vsc_channel_init(struct hv_device *Device)
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goto nomem;
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}
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- vstorPacket->operation = VSTOR_OPERATION_BEGIN_INITIALIZATION;
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- vstorPacket->flags = REQUEST_COMPLETION_FLAG;
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+ vstor_packet->operation = VSTOR_OPERATION_BEGIN_INITIALIZATION;
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+ vstor_packet->flags = REQUEST_COMPLETION_FLAG;
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/*SpinlockAcquire(gDriverExt.packetListLock);
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INSERT_TAIL_LIST(&gDriverExt.packetList, &packet->listEntry.entry);
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@@ -215,7 +215,7 @@ static int stor_vsc_channel_init(struct hv_device *Device)
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DPRINT_INFO(STORVSC, "BEGIN_INITIALIZATION_OPERATION...");
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- ret = vmbus_sendpacket(Device->channel, vstorPacket,
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+ ret = vmbus_sendpacket(device->channel, vstor_packet,
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sizeof(struct vstor_packet),
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(unsigned long)request,
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VmbusPacketTypeDataInBand,
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@@ -228,25 +228,25 @@ static int stor_vsc_channel_init(struct hv_device *Device)
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osd_waitevent_wait(request->wait_event);
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- if (vstorPacket->operation != VSTOR_OPERATION_COMPLETE_IO ||
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- vstorPacket->status != 0) {
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+ if (vstor_packet->operation != VSTOR_OPERATION_COMPLETE_IO ||
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+ vstor_packet->status != 0) {
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DPRINT_ERR(STORVSC, "BEGIN_INITIALIZATION_OPERATION failed "
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"(op %d status 0x%x)",
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- vstorPacket->operation, vstorPacket->status);
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+ vstor_packet->operation, vstor_packet->status);
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goto Cleanup;
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}
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DPRINT_INFO(STORVSC, "QUERY_PROTOCOL_VERSION_OPERATION...");
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/* reuse the packet for version range supported */
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- memset(vstorPacket, 0, sizeof(struct vstor_packet));
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- vstorPacket->operation = VSTOR_OPERATION_QUERY_PROTOCOL_VERSION;
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- vstorPacket->flags = REQUEST_COMPLETION_FLAG;
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+ memset(vstor_packet, 0, sizeof(struct vstor_packet));
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+ vstor_packet->operation = VSTOR_OPERATION_QUERY_PROTOCOL_VERSION;
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+ vstor_packet->flags = REQUEST_COMPLETION_FLAG;
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- vstorPacket->version.major_minor = VMSTOR_PROTOCOL_VERSION_CURRENT;
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- FILL_VMSTOR_REVISION(vstorPacket->version.revision);
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+ vstor_packet->version.major_minor = VMSTOR_PROTOCOL_VERSION_CURRENT;
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+ FILL_VMSTOR_REVISION(vstor_packet->version.revision);
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- ret = vmbus_sendpacket(Device->channel, vstorPacket,
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+ ret = vmbus_sendpacket(device->channel, vstor_packet,
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sizeof(struct vstor_packet),
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(unsigned long)request,
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VmbusPacketTypeDataInBand,
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@@ -260,24 +260,24 @@ static int stor_vsc_channel_init(struct hv_device *Device)
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osd_waitevent_wait(request->wait_event);
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/* TODO: Check returned version */
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- if (vstorPacket->operation != VSTOR_OPERATION_COMPLETE_IO ||
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- vstorPacket->status != 0) {
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+ if (vstor_packet->operation != VSTOR_OPERATION_COMPLETE_IO ||
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+ vstor_packet->status != 0) {
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DPRINT_ERR(STORVSC, "QUERY_PROTOCOL_VERSION_OPERATION failed "
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"(op %d status 0x%x)",
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- vstorPacket->operation, vstorPacket->status);
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+ vstor_packet->operation, vstor_packet->status);
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goto Cleanup;
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}
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/* Query channel properties */
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DPRINT_INFO(STORVSC, "QUERY_PROPERTIES_OPERATION...");
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- memset(vstorPacket, 0, sizeof(struct vstor_packet));
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- vstorPacket->operation = VSTOR_OPERATION_QUERY_PROPERTIES;
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- vstorPacket->flags = REQUEST_COMPLETION_FLAG;
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- vstorPacket->storage_channel_properties.port_number =
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- storDevice->port_number;
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+ memset(vstor_packet, 0, sizeof(struct vstor_packet));
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+ vstor_packet->operation = VSTOR_OPERATION_QUERY_PROPERTIES;
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+ vstor_packet->flags = REQUEST_COMPLETION_FLAG;
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+ vstor_packet->storage_channel_properties.port_number =
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+ stor_device->port_number;
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- ret = vmbus_sendpacket(Device->channel, vstorPacket,
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+ ret = vmbus_sendpacket(device->channel, vstor_packet,
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sizeof(struct vstor_packet),
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(unsigned long)request,
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VmbusPacketTypeDataInBand,
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@@ -292,29 +292,29 @@ static int stor_vsc_channel_init(struct hv_device *Device)
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osd_waitevent_wait(request->wait_event);
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/* TODO: Check returned version */
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- if (vstorPacket->operation != VSTOR_OPERATION_COMPLETE_IO ||
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- vstorPacket->status != 0) {
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+ if (vstor_packet->operation != VSTOR_OPERATION_COMPLETE_IO ||
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+ vstor_packet->status != 0) {
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DPRINT_ERR(STORVSC, "QUERY_PROPERTIES_OPERATION failed "
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"(op %d status 0x%x)",
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- vstorPacket->operation, vstorPacket->status);
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+ vstor_packet->operation, vstor_packet->status);
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goto Cleanup;
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}
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- storDevice->path_id = vstorPacket->storage_channel_properties.path_id;
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- storDevice->target_id
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- = vstorPacket->storage_channel_properties.target_id;
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+ stor_device->path_id = vstor_packet->storage_channel_properties.path_id;
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+ stor_device->target_id
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+ = vstor_packet->storage_channel_properties.target_id;
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DPRINT_DBG(STORVSC, "channel flag 0x%x, max xfer len 0x%x",
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- vstorPacket->storage_channel_properties.flags,
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- vstorPacket->storage_channel_properties.max_transfer_bytes);
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+ vstor_packet->storage_channel_properties.flags,
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+ vstor_packet->storage_channel_properties.max_transfer_bytes);
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DPRINT_INFO(STORVSC, "END_INITIALIZATION_OPERATION...");
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- memset(vstorPacket, 0, sizeof(struct vstor_packet));
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- vstorPacket->operation = VSTOR_OPERATION_END_INITIALIZATION;
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- vstorPacket->flags = REQUEST_COMPLETION_FLAG;
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+ memset(vstor_packet, 0, sizeof(struct vstor_packet));
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+ vstor_packet->operation = VSTOR_OPERATION_END_INITIALIZATION;
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+ vstor_packet->flags = REQUEST_COMPLETION_FLAG;
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- ret = vmbus_sendpacket(Device->channel, vstorPacket,
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+ ret = vmbus_sendpacket(device->channel, vstor_packet,
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sizeof(struct vstor_packet),
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(unsigned long)request,
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VmbusPacketTypeDataInBand,
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@@ -328,11 +328,11 @@ static int stor_vsc_channel_init(struct hv_device *Device)
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osd_waitevent_wait(request->wait_event);
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- if (vstorPacket->operation != VSTOR_OPERATION_COMPLETE_IO ||
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- vstorPacket->status != 0) {
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+ if (vstor_packet->operation != VSTOR_OPERATION_COMPLETE_IO ||
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+ vstor_packet->status != 0) {
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DPRINT_ERR(STORVSC, "END_INITIALIZATION_OPERATION failed "
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"(op %d status 0x%x)",
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- vstorPacket->operation, vstorPacket->status);
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+ vstor_packet->operation, vstor_packet->status);
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goto Cleanup;
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}
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@@ -342,82 +342,82 @@ Cleanup:
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kfree(request->wait_event);
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request->wait_event = NULL;
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nomem:
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- put_stor_device(Device);
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+ put_stor_device(device);
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return ret;
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}
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-static void stor_vsc_on_io_completion(struct hv_device *Device,
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- struct vstor_packet *VStorPacket,
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- struct storvsc_request_extension *RequestExt)
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+static void stor_vsc_on_io_completion(struct hv_device *device,
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+ struct vstor_packet *vstor_packet,
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+ struct storvsc_request_extension *request_ext)
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{
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struct hv_storvsc_request *request;
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- struct storvsc_device *storDevice;
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+ struct storvsc_device *stor_device;
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- storDevice = must_get_stor_device(Device);
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- if (!storDevice) {
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+ stor_device = must_get_stor_device(device);
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+ if (!stor_device) {
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DPRINT_ERR(STORVSC, "unable to get stor device..."
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"device being destroyed?");
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return;
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}
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DPRINT_DBG(STORVSC, "IO_COMPLETE_OPERATION - request extension %p "
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- "completed bytes xfer %u", RequestExt,
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- VStorPacket->vm_srb.data_transfer_length);
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+ "completed bytes xfer %u", request_ext,
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+ vstor_packet->vm_srb.data_transfer_length);
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- /* ASSERT(RequestExt != NULL); */
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- /* ASSERT(RequestExt->Request != NULL); */
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+ /* ASSERT(request_ext != NULL); */
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+ /* ASSERT(request_ext->request != NULL); */
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- request = RequestExt->request;
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+ request = request_ext->request;
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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 = vstor_packet->vm_srb.scsi_status;
|
|
|
|
|
|
- if (request->status != 0 || VStorPacket->vm_srb.srb_status != 1) {
|
|
|
+ if (request->status != 0 || vstor_packet->vm_srb.srb_status != 1) {
|
|
|
DPRINT_WARN(STORVSC,
|
|
|
"cmd 0x%x scsi status 0x%x srb status 0x%x\n",
|
|
|
- request->cdb[0], VStorPacket->vm_srb.scsi_status,
|
|
|
- VStorPacket->vm_srb.srb_status);
|
|
|
+ request->cdb[0], vstor_packet->vm_srb.scsi_status,
|
|
|
+ vstor_packet->vm_srb.srb_status);
|
|
|
}
|
|
|
|
|
|
if ((request->status & 0xFF) == 0x02) {
|
|
|
/* CHECK_CONDITION */
|
|
|
- if (VStorPacket->vm_srb.srb_status & 0x80) {
|
|
|
+ if (vstor_packet->vm_srb.srb_status & 0x80) {
|
|
|
/* autosense data available */
|
|
|
DPRINT_WARN(STORVSC, "storvsc pkt %p autosense data "
|
|
|
- "valid - len %d\n", RequestExt,
|
|
|
- VStorPacket->vm_srb.sense_info_length);
|
|
|
+ "valid - len %d\n", request_ext,
|
|
|
+ vstor_packet->vm_srb.sense_info_length);
|
|
|
|
|
|
- /* ASSERT(VStorPacket->vm_srb.sense_info_length <= */
|
|
|
+ /* ASSERT(vstor_packet->vm_srb.sense_info_length <= */
|
|
|
/* request->SenseBufferSize); */
|
|
|
memcpy(request->sense_buffer,
|
|
|
- VStorPacket->vm_srb.sense_data,
|
|
|
- VStorPacket->vm_srb.sense_info_length);
|
|
|
+ vstor_packet->vm_srb.sense_data,
|
|
|
+ vstor_packet->vm_srb.sense_info_length);
|
|
|
|
|
|
request->sense_buffer_size =
|
|
|
- VStorPacket->vm_srb.sense_info_length;
|
|
|
+ vstor_packet->vm_srb.sense_info_length;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/* TODO: */
|
|
|
- request->bytes_xfer = VStorPacket->vm_srb.data_transfer_length;
|
|
|
+ request->bytes_xfer = vstor_packet->vm_srb.data_transfer_length;
|
|
|
|
|
|
request->on_io_completion(request);
|
|
|
|
|
|
- atomic_dec(&storDevice->num_outstanding_requests);
|
|
|
+ atomic_dec(&stor_device->num_outstanding_req);
|
|
|
|
|
|
- put_stor_device(Device);
|
|
|
+ put_stor_device(device);
|
|
|
}
|
|
|
|
|
|
-static void stor_vsc_on_receive(struct hv_device *Device,
|
|
|
- struct vstor_packet *VStorPacket,
|
|
|
- struct storvsc_request_extension *RequestExt)
|
|
|
+static void stor_vsc_on_receive(struct hv_device *device,
|
|
|
+ struct vstor_packet *vstor_packet,
|
|
|
+ struct storvsc_request_extension *request_ext)
|
|
|
{
|
|
|
- switch (VStorPacket->operation) {
|
|
|
+ switch (vstor_packet->operation) {
|
|
|
case VSTOR_OPERATION_COMPLETE_IO:
|
|
|
DPRINT_DBG(STORVSC, "IO_COMPLETE_OPERATION");
|
|
|
- stor_vsc_on_io_completion(Device, VStorPacket, RequestExt);
|
|
|
+ stor_vsc_on_io_completion(device, vstor_packet, request_ext);
|
|
|
break;
|
|
|
case VSTOR_OPERATION_REMOVE_DEVICE:
|
|
|
DPRINT_INFO(STORVSC, "REMOVE_DEVICE_OPERATION");
|
|
@@ -426,7 +426,7 @@ static void stor_vsc_on_receive(struct hv_device *Device,
|
|
|
|
|
|
default:
|
|
|
DPRINT_INFO(STORVSC, "Unknown operation received - %d",
|
|
|
- VStorPacket->operation);
|
|
|
+ vstor_packet->operation);
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
@@ -434,17 +434,17 @@ static void stor_vsc_on_receive(struct hv_device *Device,
|
|
|
static void stor_vsc_on_channel_callback(void *context)
|
|
|
{
|
|
|
struct hv_device *device = (struct hv_device *)context;
|
|
|
- struct storvsc_device *storDevice;
|
|
|
- u32 bytesRecvd;
|
|
|
- u64 requestId;
|
|
|
+ struct storvsc_device *stor_device;
|
|
|
+ u32 bytes_recvd;
|
|
|
+ u64 request_id;
|
|
|
unsigned char packet[ALIGN_UP(sizeof(struct vstor_packet), 8)];
|
|
|
struct storvsc_request_extension *request;
|
|
|
int ret;
|
|
|
|
|
|
/* ASSERT(device); */
|
|
|
|
|
|
- storDevice = must_get_stor_device(device);
|
|
|
- if (!storDevice) {
|
|
|
+ stor_device = must_get_stor_device(device);
|
|
|
+ if (!stor_device) {
|
|
|
DPRINT_ERR(STORVSC, "unable to get stor device..."
|
|
|
"device being destroyed?");
|
|
|
return;
|
|
@@ -453,25 +453,26 @@ static void stor_vsc_on_channel_callback(void *context)
|
|
|
do {
|
|
|
ret = vmbus_recvpacket(device->channel, packet,
|
|
|
ALIGN_UP(sizeof(struct vstor_packet), 8),
|
|
|
- &bytesRecvd, &requestId);
|
|
|
- if (ret == 0 && bytesRecvd > 0) {
|
|
|
+ &bytes_recvd, &request_id);
|
|
|
+ if (ret == 0 && bytes_recvd > 0) {
|
|
|
DPRINT_DBG(STORVSC, "receive %d bytes - tid %llx",
|
|
|
- bytesRecvd, requestId);
|
|
|
+ bytes_recvd, request_id);
|
|
|
|
|
|
- /* ASSERT(bytesRecvd == sizeof(struct vstor_packet)); */
|
|
|
+ /* ASSERT(bytes_recvd ==
|
|
|
+ sizeof(struct vstor_packet)); */
|
|
|
|
|
|
request = (struct storvsc_request_extension *)
|
|
|
- (unsigned long)requestId;
|
|
|
+ (unsigned long)request_id;
|
|
|
/* ASSERT(request);c */
|
|
|
|
|
|
- /* if (vstorPacket.Flags & SYNTHETIC_FLAG) */
|
|
|
- if ((request == &storDevice->init_request) ||
|
|
|
- (request == &storDevice->reset_request)) {
|
|
|
+ /* if (vstor_packet.Flags & SYNTHETIC_FLAG) */
|
|
|
+ if ((request == &stor_device->init_request) ||
|
|
|
+ (request == &stor_device->reset_request)) {
|
|
|
/* DPRINT_INFO(STORVSC,
|
|
|
* "reset completion - operation "
|
|
|
* "%u status %u",
|
|
|
- * vstorPacket.Operation,
|
|
|
- * vstorPacket.Status); */
|
|
|
+ * vstor_packet.Operation,
|
|
|
+ * vstor_packet.Status); */
|
|
|
|
|
|
memcpy(&request->vstor_packet, packet,
|
|
|
sizeof(struct vstor_packet));
|
|
@@ -492,22 +493,22 @@ static void stor_vsc_on_channel_callback(void *context)
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
-static int stor_vsc_connect_to_vsp(struct hv_device *Device)
|
|
|
+static int stor_vsc_connect_to_vsp(struct hv_device *device)
|
|
|
{
|
|
|
struct vmstorage_channel_properties props;
|
|
|
- struct storvsc_driver_object *storDriver;
|
|
|
+ struct storvsc_driver_object *stor_driver;
|
|
|
int ret;
|
|
|
|
|
|
- storDriver = (struct storvsc_driver_object *)Device->Driver;
|
|
|
+ stor_driver = (struct storvsc_driver_object *)device->Driver;
|
|
|
memset(&props, 0, sizeof(struct vmstorage_channel_properties));
|
|
|
|
|
|
/* Open the channel */
|
|
|
- ret = vmbus_open(Device->channel,
|
|
|
- storDriver->ring_buffer_size,
|
|
|
- storDriver->ring_buffer_size,
|
|
|
+ ret = vmbus_open(device->channel,
|
|
|
+ stor_driver->ring_buffer_size,
|
|
|
+ stor_driver->ring_buffer_size,
|
|
|
(void *)&props,
|
|
|
sizeof(struct vmstorage_channel_properties),
|
|
|
- stor_vsc_on_channel_callback, Device);
|
|
|
+ stor_vsc_on_channel_callback, device);
|
|
|
|
|
|
DPRINT_DBG(STORVSC, "storage props: path id %d, tgt id %d, max xfer %d",
|
|
|
props.path_id, props.target_id, props.max_transfer_bytes);
|
|
@@ -517,7 +518,7 @@ static int stor_vsc_connect_to_vsp(struct hv_device *Device)
|
|
|
return -1;
|
|
|
}
|
|
|
|
|
|
- ret = stor_vsc_channel_init(Device);
|
|
|
+ ret = stor_vsc_channel_init(device);
|
|
|
|
|
|
return ret;
|
|
|
}
|
|
@@ -526,17 +527,17 @@ static int stor_vsc_connect_to_vsp(struct hv_device *Device)
|
|
|
* stor_vsc_on_device_add - Callback when the device belonging to this driver
|
|
|
* is added
|
|
|
*/
|
|
|
-static int stor_vsc_on_device_add(struct hv_device *Device,
|
|
|
- void *AdditionalInfo)
|
|
|
+static int stor_vsc_on_device_add(struct hv_device *device,
|
|
|
+ void *additional_info)
|
|
|
{
|
|
|
- struct storvsc_device *storDevice;
|
|
|
+ struct storvsc_device *stor_device;
|
|
|
/* struct vmstorage_channel_properties *props; */
|
|
|
- struct storvsc_device_info *deviceInfo;
|
|
|
+ struct storvsc_device_info *device_info;
|
|
|
int ret = 0;
|
|
|
|
|
|
- deviceInfo = (struct storvsc_device_info *)AdditionalInfo;
|
|
|
- storDevice = alloc_stor_device(Device);
|
|
|
- if (!storDevice) {
|
|
|
+ device_info = (struct storvsc_device_info *)additional_info;
|
|
|
+ stor_device = alloc_stor_device(device);
|
|
|
+ if (!stor_device) {
|
|
|
ret = -1;
|
|
|
goto Cleanup;
|
|
|
}
|
|
@@ -556,17 +557,17 @@ static int stor_vsc_on_device_add(struct hv_device *Device,
|
|
|
storChannel->PathId = props->PathId;
|
|
|
storChannel->TargetId = props->TargetId; */
|
|
|
|
|
|
- storDevice->port_number = deviceInfo->port_number;
|
|
|
+ stor_device->port_number = device_info->port_number;
|
|
|
/* Send it back up */
|
|
|
- ret = stor_vsc_connect_to_vsp(Device);
|
|
|
+ ret = stor_vsc_connect_to_vsp(device);
|
|
|
|
|
|
- /* deviceInfo->PortNumber = storDevice->PortNumber; */
|
|
|
- deviceInfo->path_id = storDevice->path_id;
|
|
|
- deviceInfo->target_id = storDevice->target_id;
|
|
|
+ /* device_info->PortNumber = stor_device->PortNumber; */
|
|
|
+ device_info->path_id = stor_device->path_id;
|
|
|
+ device_info->target_id = stor_device->target_id;
|
|
|
|
|
|
DPRINT_DBG(STORVSC, "assigned port %u, path %u target %u\n",
|
|
|
- storDevice->port_number, storDevice->path_id,
|
|
|
- storDevice->target_id);
|
|
|
+ stor_device->port_number, stor_device->path_id,
|
|
|
+ stor_device->target_id);
|
|
|
|
|
|
Cleanup:
|
|
|
return ret;
|
|
@@ -575,58 +576,58 @@ Cleanup:
|
|
|
/*
|
|
|
* stor_vsc_on_device_remove - Callback when the our device is being removed
|
|
|
*/
|
|
|
-static int stor_vsc_on_device_remove(struct hv_device *Device)
|
|
|
+static int stor_vsc_on_device_remove(struct hv_device *device)
|
|
|
{
|
|
|
- struct storvsc_device *storDevice;
|
|
|
+ struct storvsc_device *stor_device;
|
|
|
|
|
|
DPRINT_INFO(STORVSC, "disabling storage device (%p)...",
|
|
|
- Device->Extension);
|
|
|
+ device->Extension);
|
|
|
|
|
|
- storDevice = release_stor_device(Device);
|
|
|
+ stor_device = release_stor_device(device);
|
|
|
|
|
|
/*
|
|
|
* At this point, all outbound traffic should be disable. We
|
|
|
* only allow inbound traffic (responses) to proceed so that
|
|
|
* outstanding requests can be completed.
|
|
|
*/
|
|
|
- while (atomic_read(&storDevice->num_outstanding_requests)) {
|
|
|
+ while (atomic_read(&stor_device->num_outstanding_req)) {
|
|
|
DPRINT_INFO(STORVSC, "waiting for %d requests to complete...",
|
|
|
- atomic_read(&storDevice->num_outstanding_requests));
|
|
|
+ atomic_read(&stor_device->num_outstanding_req));
|
|
|
udelay(100);
|
|
|
}
|
|
|
|
|
|
DPRINT_INFO(STORVSC, "removing storage device (%p)...",
|
|
|
- Device->Extension);
|
|
|
+ device->Extension);
|
|
|
|
|
|
- storDevice = final_release_stor_device(Device);
|
|
|
+ stor_device = final_release_stor_device(device);
|
|
|
|
|
|
- DPRINT_INFO(STORVSC, "storage device (%p) safe to remove", storDevice);
|
|
|
+ DPRINT_INFO(STORVSC, "storage device (%p) safe to remove", stor_device);
|
|
|
|
|
|
/* Close the channel */
|
|
|
- vmbus_close(Device->channel);
|
|
|
+ vmbus_close(device->channel);
|
|
|
|
|
|
- free_stor_device(storDevice);
|
|
|
+ free_stor_device(stor_device);
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-int stor_vsc_on_host_reset(struct hv_device *Device)
|
|
|
+int stor_vsc_on_host_reset(struct hv_device *device)
|
|
|
{
|
|
|
- struct storvsc_device *storDevice;
|
|
|
+ struct storvsc_device *stor_device;
|
|
|
struct storvsc_request_extension *request;
|
|
|
- struct vstor_packet *vstorPacket;
|
|
|
+ struct vstor_packet *vstor_packet;
|
|
|
int ret;
|
|
|
|
|
|
DPRINT_INFO(STORVSC, "resetting host adapter...");
|
|
|
|
|
|
- storDevice = get_stor_device(Device);
|
|
|
- if (!storDevice) {
|
|
|
+ stor_device = get_stor_device(device);
|
|
|
+ if (!stor_device) {
|
|
|
DPRINT_ERR(STORVSC, "unable to get stor device..."
|
|
|
"device being destroyed?");
|
|
|
return -1;
|
|
|
}
|
|
|
|
|
|
- request = &storDevice->reset_request;
|
|
|
- vstorPacket = &request->vstor_packet;
|
|
|
+ request = &stor_device->reset_request;
|
|
|
+ vstor_packet = &request->vstor_packet;
|
|
|
|
|
|
request->wait_event = osd_waitevent_create();
|
|
|
if (!request->wait_event) {
|
|
@@ -634,18 +635,18 @@ int stor_vsc_on_host_reset(struct hv_device *Device)
|
|
|
goto Cleanup;
|
|
|
}
|
|
|
|
|
|
- vstorPacket->operation = VSTOR_OPERATION_RESET_BUS;
|
|
|
- vstorPacket->flags = REQUEST_COMPLETION_FLAG;
|
|
|
- vstorPacket->vm_srb.path_id = storDevice->path_id;
|
|
|
+ vstor_packet->operation = VSTOR_OPERATION_RESET_BUS;
|
|
|
+ vstor_packet->flags = REQUEST_COMPLETION_FLAG;
|
|
|
+ vstor_packet->vm_srb.path_id = stor_device->path_id;
|
|
|
|
|
|
- ret = vmbus_sendpacket(Device->channel, vstorPacket,
|
|
|
+ ret = vmbus_sendpacket(device->channel, vstor_packet,
|
|
|
sizeof(struct vstor_packet),
|
|
|
- (unsigned long)&storDevice->reset_request,
|
|
|
+ (unsigned long)&stor_device->reset_request,
|
|
|
VmbusPacketTypeDataInBand,
|
|
|
VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED);
|
|
|
if (ret != 0) {
|
|
|
DPRINT_ERR(STORVSC, "Unable to send reset packet %p ret %d",
|
|
|
- vstorPacket, ret);
|
|
|
+ vstor_packet, ret);
|
|
|
goto Cleanup;
|
|
|
}
|
|
|
|
|
@@ -661,118 +662,118 @@ int stor_vsc_on_host_reset(struct hv_device *Device)
|
|
|
*/
|
|
|
|
|
|
Cleanup:
|
|
|
- put_stor_device(Device);
|
|
|
+ put_stor_device(device);
|
|
|
return ret;
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
* stor_vsc_on_io_request - Callback to initiate an I/O request
|
|
|
*/
|
|
|
-static int stor_vsc_on_io_request(struct hv_device *Device,
|
|
|
- struct hv_storvsc_request *Request)
|
|
|
+static int stor_vsc_on_io_request(struct hv_device *device,
|
|
|
+ struct hv_storvsc_request *request)
|
|
|
{
|
|
|
- struct storvsc_device *storDevice;
|
|
|
- struct storvsc_request_extension *requestExtension;
|
|
|
- struct vstor_packet *vstorPacket;
|
|
|
+ struct storvsc_device *stor_device;
|
|
|
+ struct storvsc_request_extension *request_extension;
|
|
|
+ struct vstor_packet *vstor_packet;
|
|
|
int ret = 0;
|
|
|
|
|
|
- requestExtension =
|
|
|
- (struct storvsc_request_extension *)Request->extension;
|
|
|
- vstorPacket = &requestExtension->vstor_packet;
|
|
|
- storDevice = get_stor_device(Device);
|
|
|
+ request_extension =
|
|
|
+ (struct storvsc_request_extension *)request->extension;
|
|
|
+ vstor_packet = &request_extension->vstor_packet;
|
|
|
+ stor_device = get_stor_device(device);
|
|
|
|
|
|
DPRINT_DBG(STORVSC, "enter - Device %p, DeviceExt %p, Request %p, "
|
|
|
- "Extension %p", Device, storDevice, Request,
|
|
|
- requestExtension);
|
|
|
+ "Extension %p", device, stor_device, request,
|
|
|
+ request_extension);
|
|
|
|
|
|
DPRINT_DBG(STORVSC, "req %p len %d bus %d, target %d, lun %d cdblen %d",
|
|
|
- Request, Request->data_buffer.Length, Request->bus,
|
|
|
- Request->target_id, Request->lun_id, Request->cdb_len);
|
|
|
+ request, request->data_buffer.Length, request->bus,
|
|
|
+ request->target_id, request->lun_id, request->cdb_len);
|
|
|
|
|
|
- if (!storDevice) {
|
|
|
+ if (!stor_device) {
|
|
|
DPRINT_ERR(STORVSC, "unable to get stor device..."
|
|
|
"device being destroyed?");
|
|
|
return -2;
|
|
|
}
|
|
|
|
|
|
- /* print_hex_dump_bytes("", DUMP_PREFIX_NONE, Request->Cdb,
|
|
|
- * Request->CdbLen); */
|
|
|
+ /* print_hex_dump_bytes("", DUMP_PREFIX_NONE, request->Cdb,
|
|
|
+ * request->CdbLen); */
|
|
|
|
|
|
- requestExtension->request = Request;
|
|
|
- requestExtension->device = Device;
|
|
|
+ request_extension->request = request;
|
|
|
+ request_extension->device = device;
|
|
|
|
|
|
- memset(vstorPacket, 0 , sizeof(struct vstor_packet));
|
|
|
+ memset(vstor_packet, 0 , sizeof(struct vstor_packet));
|
|
|
|
|
|
- vstorPacket->flags |= REQUEST_COMPLETION_FLAG;
|
|
|
+ vstor_packet->flags |= REQUEST_COMPLETION_FLAG;
|
|
|
|
|
|
- vstorPacket->vm_srb.length = sizeof(struct vmscsi_request);
|
|
|
+ vstor_packet->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->target_id;
|
|
|
- vstorPacket->vm_srb.lun = Request->lun_id;
|
|
|
+ vstor_packet->vm_srb.port_number = request->host;
|
|
|
+ vstor_packet->vm_srb.path_id = request->bus;
|
|
|
+ vstor_packet->vm_srb.target_id = request->target_id;
|
|
|
+ vstor_packet->vm_srb.lun = request->lun_id;
|
|
|
|
|
|
- vstorPacket->vm_srb.sense_info_length = SENSE_BUFFER_SIZE;
|
|
|
+ vstor_packet->vm_srb.sense_info_length = SENSE_BUFFER_SIZE;
|
|
|
|
|
|
/* Copy over the scsi command descriptor block */
|
|
|
- vstorPacket->vm_srb.cdb_length = Request->cdb_len;
|
|
|
- memcpy(&vstorPacket->vm_srb.cdb, Request->cdb, Request->cdb_len);
|
|
|
+ vstor_packet->vm_srb.cdb_length = request->cdb_len;
|
|
|
+ memcpy(&vstor_packet->vm_srb.cdb, request->cdb, request->cdb_len);
|
|
|
|
|
|
- vstorPacket->vm_srb.data_in = Request->type;
|
|
|
- vstorPacket->vm_srb.data_transfer_length = Request->data_buffer.Length;
|
|
|
+ vstor_packet->vm_srb.data_in = request->type;
|
|
|
+ vstor_packet->vm_srb.data_transfer_length = request->data_buffer.Length;
|
|
|
|
|
|
- vstorPacket->operation = VSTOR_OPERATION_EXECUTE_SRB;
|
|
|
+ vstor_packet->operation = VSTOR_OPERATION_EXECUTE_SRB;
|
|
|
|
|
|
DPRINT_DBG(STORVSC, "srb - len %d port %d, path %d, target %d, "
|
|
|
"lun %d senselen %d cdblen %d",
|
|
|
- vstorPacket->vm_srb.length,
|
|
|
- vstorPacket->vm_srb.port_number,
|
|
|
- vstorPacket->vm_srb.path_id,
|
|
|
- vstorPacket->vm_srb.target_id,
|
|
|
- vstorPacket->vm_srb.lun,
|
|
|
- vstorPacket->vm_srb.sense_info_length,
|
|
|
- vstorPacket->vm_srb.cdb_length);
|
|
|
-
|
|
|
- if (requestExtension->request->data_buffer.Length) {
|
|
|
- ret = vmbus_sendpacket_multipagebuffer(Device->channel,
|
|
|
- &requestExtension->request->data_buffer,
|
|
|
- vstorPacket,
|
|
|
+ vstor_packet->vm_srb.length,
|
|
|
+ vstor_packet->vm_srb.port_number,
|
|
|
+ vstor_packet->vm_srb.path_id,
|
|
|
+ vstor_packet->vm_srb.target_id,
|
|
|
+ vstor_packet->vm_srb.lun,
|
|
|
+ vstor_packet->vm_srb.sense_info_length,
|
|
|
+ vstor_packet->vm_srb.cdb_length);
|
|
|
+
|
|
|
+ if (request_extension->request->data_buffer.Length) {
|
|
|
+ ret = vmbus_sendpacket_multipagebuffer(device->channel,
|
|
|
+ &request_extension->request->data_buffer,
|
|
|
+ vstor_packet,
|
|
|
sizeof(struct vstor_packet),
|
|
|
- (unsigned long)requestExtension);
|
|
|
+ (unsigned long)request_extension);
|
|
|
} else {
|
|
|
- ret = vmbus_sendpacket(Device->channel, vstorPacket,
|
|
|
+ ret = vmbus_sendpacket(device->channel, vstor_packet,
|
|
|
sizeof(struct vstor_packet),
|
|
|
- (unsigned long)requestExtension,
|
|
|
+ (unsigned long)request_extension,
|
|
|
VmbusPacketTypeDataInBand,
|
|
|
VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED);
|
|
|
}
|
|
|
|
|
|
if (ret != 0) {
|
|
|
DPRINT_DBG(STORVSC, "Unable to send packet %p ret %d",
|
|
|
- vstorPacket, ret);
|
|
|
+ vstor_packet, ret);
|
|
|
}
|
|
|
|
|
|
- atomic_inc(&storDevice->num_outstanding_requests);
|
|
|
+ atomic_inc(&stor_device->num_outstanding_req);
|
|
|
|
|
|
- put_stor_device(Device);
|
|
|
+ put_stor_device(device);
|
|
|
return ret;
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
* stor_vsc_on_cleanup - Perform any cleanup when the driver is removed
|
|
|
*/
|
|
|
-static void stor_vsc_on_cleanup(struct hv_driver *Driver)
|
|
|
+static void stor_vsc_on_cleanup(struct hv_driver *driver)
|
|
|
{
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
* stor_vsc_initialize - Main entry point
|
|
|
*/
|
|
|
-int stor_vsc_initialize(struct hv_driver *Driver)
|
|
|
+int stor_vsc_initialize(struct hv_driver *driver)
|
|
|
{
|
|
|
- struct storvsc_driver_object *storDriver;
|
|
|
+ struct storvsc_driver_object *stor_driver;
|
|
|
|
|
|
- storDriver = (struct storvsc_driver_object *)Driver;
|
|
|
+ stor_driver = (struct storvsc_driver_object *)driver;
|
|
|
|
|
|
DPRINT_DBG(STORVSC, "sizeof(STORVSC_REQUEST)=%zd "
|
|
|
"sizeof(struct storvsc_request_extension)=%zd "
|
|
@@ -784,13 +785,14 @@ int stor_vsc_initialize(struct hv_driver *Driver)
|
|
|
sizeof(struct vmscsi_request));
|
|
|
|
|
|
/* Make sure we are at least 2 pages since 1 page is used for control */
|
|
|
- /* ASSERT(storDriver->RingBufferSize >= (PAGE_SIZE << 1)); */
|
|
|
+ /* ASSERT(stor_driver->RingBufferSize >= (PAGE_SIZE << 1)); */
|
|
|
|
|
|
- Driver->name = g_driver_name;
|
|
|
- memcpy(&Driver->deviceType, &gStorVscDeviceType,
|
|
|
+ driver->name = g_driver_name;
|
|
|
+ memcpy(&driver->deviceType, &gStorVscDeviceType,
|
|
|
sizeof(struct hv_guid));
|
|
|
|
|
|
- storDriver->request_ext_size = sizeof(struct storvsc_request_extension);
|
|
|
+ stor_driver->request_ext_size =
|
|
|
+ sizeof(struct storvsc_request_extension);
|
|
|
|
|
|
/*
|
|
|
* Divide the ring buffer data size (which is 1 page less
|
|
@@ -798,22 +800,22 @@ int stor_vsc_initialize(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->max_outstanding_req_per_channel =
|
|
|
- ((storDriver->ring_buffer_size - PAGE_SIZE) /
|
|
|
+ stor_driver->max_outstanding_req_per_channel =
|
|
|
+ ((stor_driver->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->max_outstanding_req_per_channel,
|
|
|
+ stor_driver->max_outstanding_req_per_channel,
|
|
|
STORVSC_MAX_IO_REQUESTS);
|
|
|
|
|
|
/* Setup the dispatch table */
|
|
|
- storDriver->base.OnDeviceAdd = stor_vsc_on_device_add;
|
|
|
- storDriver->base.OnDeviceRemove = stor_vsc_on_device_remove;
|
|
|
- storDriver->base.OnCleanup = stor_vsc_on_cleanup;
|
|
|
+ stor_driver->base.OnDeviceAdd = stor_vsc_on_device_add;
|
|
|
+ stor_driver->base.OnDeviceRemove = stor_vsc_on_device_remove;
|
|
|
+ stor_driver->base.OnCleanup = stor_vsc_on_cleanup;
|
|
|
|
|
|
- storDriver->on_io_request = stor_vsc_on_io_request;
|
|
|
+ stor_driver->on_io_request = stor_vsc_on_io_request;
|
|
|
|
|
|
return 0;
|
|
|
}
|