Commit 069b5367 authored by Niklas Cassel's avatar Niklas Cassel Committed by Tomasz Zawadzki
Browse files

nvme_spec: add Zoned Namespace Command Set Specific identify data structures 



Add the I/O Command Set Specific Identify Namespace Data Structure
and the I/O Command Set Specific Identify Controller Data Structure
for the Zoned Namespace Command Set.

These data structures are defined in the NVMe Zoned Namespace Command
Set Specification.

Signed-off-by: default avatarNiklas Cassel <niklas.cassel@wdc.com>
Change-Id: I1434765ecbb22e1020c6b299cd05ba8a614b1cda
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/4310


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
parent d1db0209

include/spdk/nvme_spec.h

+53 −0
Original line number Diff line number Diff line
@@ -1986,6 +1986,14 @@ struct __attribute__((packed)) __attribute__((aligned)) spdk_nvme_ctrlr_data { 
};

SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_ctrlr_data) == 4096, "Incorrect size");



struct spdk_nvme_ctrlr_data_zns {

	/** zone append size limit */

	uint8_t			zasl;



	uint8_t			reserved1[4095];

};

SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_ctrlr_data_zns) == 4096, "Incorrect size");



struct __attribute__((packed)) spdk_nvme_primary_ctrl_capabilities {

	/**  controller id */

	uint16_t		cntlid;
@@ -2262,6 +2270,51 @@ struct spdk_nvme_ns_data { 
};

SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_ns_data) == 4096, "Incorrect size");



struct spdk_nvme_ns_data_zns {

	/** zone operation characteristics */

	struct {

		uint16_t	variable_zone_capacity : 1;

		uint16_t	zone_active_excursions : 1;

		uint16_t	reserved0 : 14;

	} zoc;



	/** optional zoned command support */

	struct {

		uint16_t	read_across_zone_boundaries : 1;

		uint16_t	reserved0 : 15;

	} ozcs;



	/** maximum active resources */

	uint32_t		mar;



	/** maximum open resources */

	uint32_t		mor;



	/** reset recommended limit */

	uint32_t		rrl;



	/** finish recommended limit */

	uint32_t		frl;



	uint8_t			reserved20[2796];



	/** zns lba format extension support */

	struct {

		/** zone size */

		uint64_t	zsze;



		/** zone descriptor extension size */

		uint64_t	zdes : 8;



		uint64_t	reserved15 : 56;

	} lbafe[16];



	uint8_t			reserved3072[768];



	uint8_t			vendor_specific[256];

};

SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_ns_data_zns) == 4096, "Incorrect size");



/**

 * Deallocated logical block features - read value

 */