Commit 38d982f5 authored by Changpeng Liu's avatar Changpeng Liu Committed by Tomasz Zawadzki
Browse files

nvme: add the definition of reservation notification mask/persistence features 



Change-Id: Idfb95c8405bd19d7c1bf5114654184a0c75f80ee
Signed-off-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/475817


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
parent 974bb84e

include/spdk/nvme_spec.h

+36 −0
Original line number Diff line number Diff line
@@ -765,6 +765,38 @@ union spdk_nvme_feat_host_identifier { 
};

SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_host_identifier) == 4, "Incorrect size");



/**

 * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_HOST_RESERVE_MASK

 */

union spdk_nvme_feat_reservation_notification_mask {

	uint32_t raw;

	struct {

		uint32_t reserved1 : 1;

		/* Mask Registration Preempted Notification */

		uint32_t regpre    : 1;

		/* Mask Reservation Released Notification */

		uint32_t resrel    : 1;

		/* Mask Reservation Preempted Notification */

		uint32_t respre    : 1;

		uint32_t reserved2 : 28;

	} bits;

};

SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_reservation_notification_mask) == 4,

		   "Incorrect size");



/**

 * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_HOST_RESERVE_PERSIST

 */

union spdk_nvme_feat_reservation_persistence {

	uint32_t raw;

	struct {

		/* Persist Through Power Loss */

		uint32_t ptpl      : 1;

		uint32_t reserved  : 31;

	} bits;

};

SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_reservation_persistence) == 4, "Incorrect size");



union spdk_nvme_cmd_cdw10 {

	uint32_t raw;

	struct {
@@ -933,6 +965,8 @@ union spdk_nvme_cmd_cdw11 { 
	union spdk_nvme_feat_async_event_configuration feat_async_event_cfg;

	union spdk_nvme_feat_keep_alive_timer feat_keep_alive_timer;

	union spdk_nvme_feat_host_identifier feat_host_identifier;

	union spdk_nvme_feat_reservation_notification_mask feat_rsv_notification_mask;

	union spdk_nvme_feat_reservation_persistence feat_rsv_persistence;



	struct {

		/* Attribute – Integral Dataset for Read */
@@ -1308,7 +1342,9 @@ enum spdk_nvme_feat { 


	/** cdw11 layout defined by \ref spdk_nvme_feat_host_identifier */

	SPDK_NVME_FEAT_HOST_IDENTIFIER				= 0x81,

	/** cdw11 layout defined by \ref spdk_nvme_feat_reservation_notification_mask */

	SPDK_NVME_FEAT_HOST_RESERVE_MASK			= 0x82,

	/** cdw11 layout defined by \ref spdk_nvme_feat_reservation_persistence */

	SPDK_NVME_FEAT_HOST_RESERVE_PERSIST			= 0x83,



	/* 0x84-0xBF - command set specific (reserved) */