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nvme: add transport SGL definitions

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

Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
James Smart 2017-09-07 13:20:23 -07:00 committed by Jens Axboe
parent c98cb3bd88
commit d85cf20749
1 changed files with 6 additions and 0 deletions
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6
include/linux/nvme.h
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@ -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 {