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Commit d85cf207 authored by James Smart's avatar James Smart Committed by Jens Axboe
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nvme: add transport SGL definitions 



Add transport SGL defintions from NVMe TP 4008, required for
the final NVMe-FC standard.

Signed-off-by: default avatarJames Smart <james.smart@broadcom.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent c98cb3bd

include/linux/nvme.h

+6 −0
Original line number Diff line number Diff line
@@ -471,12 +471,14 @@ enum nvme_opcode { 
 *

 * @NVME_SGL_FMT_ADDRESS:     absolute address of the data block

 * @NVME_SGL_FMT_OFFSET:      relative offset of the in-capsule data block

 * @NVME_SGL_FMT_TRANSPORT_A: transport defined format, value 0xA

 * @NVME_SGL_FMT_INVALIDATE:  RDMA transport specific remote invalidation

 *                            request subtype

 */

enum {

	NVME_SGL_FMT_ADDRESS		= 0x00,

	NVME_SGL_FMT_OFFSET		= 0x01,

	NVME_SGL_FMT_TRANSPORT_A	= 0x0A,

	NVME_SGL_FMT_INVALIDATE		= 0x0f,

};
@@ -490,12 +492,16 @@ enum { 
 *

 * For struct nvme_keyed_sgl_desc:

 *   @NVME_KEY_SGL_FMT_DATA_DESC:	keyed data block descriptor

 *

 * Transport-specific SGL types:

 *   @NVME_TRANSPORT_SGL_DATA_DESC:	Transport SGL data dlock descriptor

 */

enum {

	NVME_SGL_FMT_DATA_DESC		= 0x00,

	NVME_SGL_FMT_SEG_DESC		= 0x02,

	NVME_SGL_FMT_LAST_SEG_DESC	= 0x03,

	NVME_KEY_SGL_FMT_DATA_DESC	= 0x04,

	NVME_TRANSPORT_SGL_DATA_DESC	= 0x05,

};



struct nvme_sgl_desc {