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nvme: add cdw10 union data structure

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NVMe command dword 10 and dword 11 have multiple definitions for
different commands, add a union data structure here then we can
replace the hardcoded cdw10/cdw11 with command specific structure
in SPDK NVMe driver.  For now add dword 10 for the first step.

Change-Id: Ie2c58b3039cfa5843d44224d31a38850ff577ed0
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/475207
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Changpeng Liu 2019-11-20 03:07:25 -05:00 committed by Tomasz Zawadzki
parent bcfb51b124
commit bae1750bef
1 changed files with 121 additions and 0 deletions
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121
include/spdk/nvme_spec.h
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@ -462,6 +462,127 @@ enum spdk_nvme_cc_ams {
SPDK_NVME_CC_AMS_VS = 0x7, /**< vendor specific */
};
union spdk_nvme_cmd_cdw10 {
uint32_t raw;
struct {
/* Controller or Namespace Structure */
uint32_t cns : 8;
uint32_t reserved : 8;
/* Controller Identifier */
uint32_t cntid : 16;
} identify;
struct {
/* Log Page Identifier */
uint32_t lid : 8;
/* Log Specific Field */
uint32_t lsp : 4;
uint32_t reserved : 3;
/* Retain Asynchronous Event */
uint32_t rae : 1;
/* Number of Dwords Lower */
uint32_t numdl : 16;
} get_log_page;
struct {
/* Submission Queue Identifier */
uint32_t sqid : 16;
/* Command Identifier */
uint32_t cid : 16;
} abort;
struct {
/* NVMe Security Specific Field */
uint32_t nssf : 8;
/* SP Specific 0 */
uint32_t spsp0 : 8;
/* SP Specific 1 */
uint32_t spsp1 : 8;
/* Security Protocol */
uint32_t secp : 8;
} sec_send_recv;
struct {
/* Queue Identifier */
uint32_t qid : 16;
/* Queue Size */
uint32_t qsize : 16;
} create_io_q;
struct {
/* Queue Identifier */
uint32_t qid : 16;
uint32_t reserved : 16;
} delete_io_q;
struct {
/* Feature Identifier */
uint32_t fid : 8;
/* Select */
uint32_t sel : 3;
uint32_t reserved : 21;
} get_features;
struct {
/* Feature Identifier */
uint32_t fid : 8;
uint32_t reserved : 23;
/* Save */
uint32_t sv : 1;
} set_features;
struct {
/* Select */
uint32_t sel : 4;
uint32_t reserved : 28;
} ns_attach;
struct {
/* Select */
uint32_t sel : 4;
uint32_t reserved : 28;
} ns_manage;
struct {
/* Number of Ranges */
uint32_t nr : 8;
uint32_t reserved : 24;
} dsm;
struct {
/* Reservation Register Action */
uint32_t rrega : 3;
/* Ignore Existing Key */
uint32_t iekey : 1;
uint32_t reserved : 26;
/* Change Persist Through Power Loss State */
uint32_t cptpl : 2;
} resv_register;
struct {
/* Reservation Release Action */
uint32_t rrela : 3;
/* Ignore Existing Key */
uint32_t iekey : 1;
uint32_t reserved1 : 4;
/* Reservation Type */
uint32_t rtype : 8;
uint32_t reserved2 : 16;
} resv_release;
struct {
/* Reservation Acquire Action */
uint32_t racqa : 3;
/* Ignore Existing Key */
uint32_t iekey : 1;
uint32_t reserved1 : 4;
/* Reservation Type */
uint32_t rtype : 8;
uint32_t reserved2 : 16;
} resv_acquire;
};
SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_cmd_cdw10) == 4, "Incorrect size");
struct spdk_nvme_cmd {
/* dword 0 */
uint16_t opc : 8; /* opcode */