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Commit 16046320 authored by K. Y. Srinivasan's avatar K. Y. Srinivasan Committed by Greg Kroah-Hartman
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Staging: hv: storvsc: Introduce defines for srb status codes



Introduce defines for srb status codes.

Signed-off-by: default avatarK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c77b63b6
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+16 −5
Original line number Diff line number Diff line
@@ -257,6 +257,16 @@ enum storvsc_request_type {
	UNKNOWN_TYPE,
};

/*
 * SRB status codes and masks; a subset of the codes used here.
 */

#define SRB_STATUS_AUTOSENSE_VALID	0x80
#define SRB_STATUS_INVALID_LUN	0x20
#define SRB_STATUS_SUCCESS	0x01
#define SRB_STATUS_ERROR	0x04



struct hv_storvsc_request {
	struct hv_device *device;
@@ -561,7 +571,7 @@ static void storvsc_on_io_completion(struct hv_device *device,
	if ((stor_pkt->vm_srb.cdb[0] == INQUIRY) ||
		(stor_pkt->vm_srb.cdb[0] == MODE_SENSE)) {
		vstor_packet->vm_srb.scsi_status = 0;
		vstor_packet->vm_srb.srb_status = 0x1;
		vstor_packet->vm_srb.srb_status = SRB_STATUS_SUCCESS;
	}


@@ -572,7 +582,7 @@ static void storvsc_on_io_completion(struct hv_device *device,
	vstor_packet->vm_srb.sense_info_length;

	if (vstor_packet->vm_srb.scsi_status != 0 ||
		vstor_packet->vm_srb.srb_status != 1){
		vstor_packet->vm_srb.srb_status != SRB_STATUS_SUCCESS){
		dev_warn(&device->device,
			 "cmd 0x%x scsi status 0x%x srb status 0x%x\n",
			 stor_pkt->vm_srb.cdb[0],
@@ -582,7 +592,8 @@ static void storvsc_on_io_completion(struct hv_device *device,

	if ((vstor_packet->vm_srb.scsi_status & 0xFF) == 0x02) {
		/* CHECK_CONDITION */
		if (vstor_packet->vm_srb.srb_status & 0x80) {
		if (vstor_packet->vm_srb.srb_status &
			SRB_STATUS_AUTOSENSE_VALID) {
			/* autosense data available */
			dev_warn(&device->device,
				 "stor pkt %p autosense data valid - len %d\n",
@@ -1191,7 +1202,7 @@ static void storvsc_command_completion(struct hv_storvsc_request *request)
	 * error recovery strategies would have already been
	 * deployed on the host side.
	 */
	if (vm_srb->srb_status == 0x4)
	if (vm_srb->srb_status == SRB_STATUS_ERROR)
		scmnd->result = DID_TARGET_FAILURE << 16;
	else
		scmnd->result = vm_srb->scsi_status;
@@ -1199,7 +1210,7 @@ static void storvsc_command_completion(struct hv_storvsc_request *request)
	/*
	 * If the LUN is invalid; remove the device.
	 */
	if (vm_srb->srb_status == 0x20) {
	if (vm_srb->srb_status == SRB_STATUS_INVALID_LUN) {
		struct storvsc_device *stor_dev;
		struct hv_device *dev = host_dev->dev;
		struct Scsi_Host *host;