Commit 530646f6 authored by yupeng's avatar yupeng Committed by Tomasz Zawadzki
Browse files

nvme: add NVMe Host Behavior Support 



Host Behavior Support is defined in 5.21.1.22 of the NVME spec. This
patch adds the related data structures.

Signed-off-by: default avatarPeng Yu <yupeng0921@gmail.com>
Change-Id: I99b2c1e55e23cadcd967b7adf5f8e75a2d799519
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7338


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
parent df902b1d

include/spdk/nvme_spec.h

+19 −2
Original line number Diff line number Diff line
@@ -1283,7 +1283,7 @@ struct spdk_nvme_status { 
	uint16_t p	:  1;	/* phase tag */

	uint16_t sc	:  8;	/* status code */

	uint16_t sct	:  3;	/* status code type */

	uint16_t rsvd2	:  2;

	uint16_t crd	:  2;   /* command retry delay */

	uint16_t m	:  1;	/* more */

	uint16_t dnr	:  1;	/* do not retry */

};
@@ -1587,6 +1587,12 @@ spdk_nvme_bytes_to_numd(uint32_t len) 
	return (len >> 2) - 1;

}



struct __attribute__((packed)) spdk_nvme_host_behavior {

	uint8_t acre;

	uint8_t reserved[511];

};

SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_host_behavior) == 512, "Incorrect size");



enum spdk_nvme_feat {

	/* 0x00 - reserved */
@@ -1624,6 +1630,14 @@ enum spdk_nvme_feat { 
	/** cdw11 layout defined by \ref spdk_nvme_feat_non_operational_power_state_config */

	SPDK_NVME_FEAT_NON_OPERATIONAL_POWER_STATE_CONFIG	= 0x11,



	SPDK_NVME_FEAT_READ_RECOVERY_LEVEL_CONFIG		= 0x12,

	SPDK_NVME_FEAT_PREDICTABLE_LATENCY_MODE_CONFIG		= 0x13,

	SPDK_NVME_FEAT_PREDICTABLE_LATENCY_MODE_WINDOW		= 0x14,

	SPDK_NVME_FEAT_LBA_STATUS_INFORMATION_ATTRIBUTES	= 0x15,

	/** data buffer layout  defined by \ref spdk_nvme_host_behavior */

	SPDK_NVME_FEAT_HOST_BEHAVIOR_SUPPORT			= 0x16,

	SPDK_NVME_FEAT_SANITIZE_CONFIG				= 0x17,

	SPDK_NVME_FEAT_ENDURANCE_GROUP_EVENT			= 0x18,

	/* 0x12-0x77 - reserved */



	/* 0x78-0x7F - NVMe-MI features */
@@ -1894,7 +1908,10 @@ struct __attribute__((packed)) __attribute__((aligned)) spdk_nvme_ctrlr_data { 
	/** FRU globally unique identifier */

	uint8_t			fguid[16];



	uint8_t			reserved_128[128];

	/** Command Retry Delay Time 1, 2 and 3 */

	uint16_t		crdt[3];



	uint8_t			reserved_122[122];



	/* bytes 256-511: admin command set attributes */