Commit 182ca749 authored by Jacek Kalwas's avatar Jacek Kalwas Committed by Tomasz Zawadzki
Browse files

nvme: extract cdata sgls as a separate struct 



Signed-off-by: default avatarJacek Kalwas <jacek.kalwas@intel.com>
Change-Id: I1418703a32c8e80a42cf30074ef743eb3c380de0
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/2755


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarAleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Community-CI: Mellanox Build Bot
parent 4c6a9cdf

include/spdk/nvme_spec.h

+15 −13
Original line number Diff line number Diff line
@@ -1549,6 +1549,20 @@ struct spdk_nvme_cdata_nvmf_specific { 
	uint8_t		reserved[244];

};



/** Identify Controller data SGL support */

struct spdk_nvme_cdata_sgls {

	uint32_t	supported : 2;

	uint32_t	keyed_sgl : 1;

	uint32_t	reserved1 : 13;

	uint32_t	bit_bucket_descriptor : 1;

	uint32_t	metadata_pointer : 1;

	uint32_t	oversized_sgl : 1;

	uint32_t	metadata_address : 1;

	uint32_t	sgl_offset : 1;

	uint32_t	transport_sgl : 1;

	uint32_t	reserved2 : 10;

};



struct __attribute__((packed)) __attribute__((aligned)) spdk_nvme_ctrlr_data {

	/* bytes 0-255: controller capabilities and features */
@@ -1879,19 +1893,7 @@ struct __attribute__((packed)) __attribute__((aligned)) spdk_nvme_ctrlr_data { 


	uint16_t		reserved534;



	/** SGL support */

	struct {

		uint32_t	supported : 2;

		uint32_t	keyed_sgl : 1;

		uint32_t	reserved1 : 13;

		uint32_t	bit_bucket_descriptor : 1;

		uint32_t	metadata_pointer : 1;

		uint32_t	oversized_sgl : 1;

		uint32_t	metadata_address : 1;

		uint32_t	sgl_offset : 1;

		uint32_t	transport_sgl : 1;

		uint32_t	reserved2 : 10;

	} sgls;

	struct spdk_nvme_cdata_sgls sgls;



	uint8_t			reserved4[228];