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scsi: qla2xxx: Add FC-NVMe command handling

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This patch adds logic to handle the completion of FC-NVMe commands and
creates a sub-command in the SRB command structure to manage NVMe
commands.

Signed-off-by: Darren Trapp <darren.trapp@cavium.com>
Signed-off-by: Duane Grigsby <duane.grigsby@cavium.com>
Signed-off-by: Anil Gurumurthy <anil.gurumurhty@cavium.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Duane Grigsby
2017-06-21 13:48:42 -07:00
committed by Martin K. Petersen
parent a5d42f4cff
commit 7401bc18d1
4 changed files with 131 additions and 5 deletions
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22
drivers/scsi/qla2xxx/qla_fw.h
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@@ -7,6 +7,9 @@
#ifndef __QLA_FW_H
#define __QLA_FW_H
#include <linux/nvme.h>
#include <linux/nvme-fc.h>
#define MBS_CHECKSUM_ERROR 0x4010
#define MBS_INVALID_PRODUCT_KEY 0x4020
@@ -603,9 +606,14 @@ struct sts_entry_24xx {
uint32_t residual_len; /* FW calc residual transfer length. */
uint16_t reserved_1;
union {
uint16_t reserved_1;
uint16_t nvme_rsp_pyld_len;
};
uint16_t state_flags; /* State flags. */
#define SF_TRANSFERRED_DATA BIT_11
#define SF_NVME_ERSP BIT_6
#define SF_FCP_RSP_DMA BIT_0
uint16_t retry_delay;
@@ -615,8 +623,16 @@ struct sts_entry_24xx {
uint32_t rsp_residual_count; /* FCP RSP residual count. */
uint32_t sense_len; /* FCP SENSE length. */
uint32_t rsp_data_len; /* FCP response data length. */
uint8_t data[28]; /* FCP response/sense information. */
union {
struct {
uint32_t rsp_data_len; /* FCP response data length */
uint8_t data[28]; /* FCP rsp/sense information */
};
struct nvme_fc_ersp_iu nvme_ersp;
uint8_t nvme_ersp_data[32];
};
/*
* If DIF Error is set in comp_status, these additional fields are
* defined: