Commit dc099392 authored by Daniel Verkamp's avatar Daniel Verkamp Committed by Ben Walker
Browse files

nvme_spec: add Transport SGL Data Block descriptor 



Defined in ratified NVMe 1.3 TP 4008 (2017-08-22).

Change-Id: I42479c8a0acbdc1a2df54061ffbc12a54385cd94
Signed-off-by: default avatarDaniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/409059


Tested-by: default avatarSPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
parent d08917d8

examples/nvme/identify/identify.c

+2 −0
Original line number Diff line number Diff line
@@ -944,6 +944,8 @@ print_controller(struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_transport 
	       cdata->sgls.metadata_address ? "Supported" : "Not Supported");

	printf("  SGL Offset:                %s\n",

	       cdata->sgls.sgl_offset ? "Supported" : "Not Supported");

	printf("  Transport SGL Data Block:  %s\n",

	       cdata->sgls.transport_sgl ? "Supported" : "Not Supported");

	printf("\n");



	printf("Firmware Slot Information\n");

include/spdk/nvme_spec.h

+4 −2
Original line number Diff line number Diff line
@@ -375,7 +375,8 @@ enum spdk_nvme_sgl_descriptor_type { 
	SPDK_NVME_SGL_TYPE_SEGMENT		= 0x2,

	SPDK_NVME_SGL_TYPE_LAST_SEGMENT		= 0x3,

	SPDK_NVME_SGL_TYPE_KEYED_DATA_BLOCK	= 0x4,

	/* 0x5 - 0xE reserved */

	SPDK_NVME_SGL_TYPE_TRANSPORT_DATA_BLOCK	= 0x5,

	/* 0x6 - 0xE reserved */

	SPDK_NVME_SGL_TYPE_VENDOR_SPECIFIC	= 0xF

};
@@ -1203,7 +1204,8 @@ struct __attribute__((packed)) spdk_nvme_ctrlr_data { 
		uint32_t	oversized_sgl : 1;

		uint32_t	metadata_address : 1;

		uint32_t	sgl_offset : 1;

		uint32_t	reserved2: 11;

		uint32_t	transport_sgl : 1;

		uint32_t	reserved2 : 10;

	} sgls;



	uint8_t			reserved4[228];