1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (c) 2015 Mellanox Technologies. All rights reserved.
6 #ifndef _LINUX_NVME_RDMA_H
7 #define _LINUX_NVME_RDMA_H
9 enum nvme_rdma_cm_fmt
{
10 NVME_RDMA_CM_FMT_1_0
= 0x0,
13 enum nvme_rdma_cm_status
{
14 NVME_RDMA_CM_INVALID_LEN
= 0x01,
15 NVME_RDMA_CM_INVALID_RECFMT
= 0x02,
16 NVME_RDMA_CM_INVALID_QID
= 0x03,
17 NVME_RDMA_CM_INVALID_HSQSIZE
= 0x04,
18 NVME_RDMA_CM_INVALID_HRQSIZE
= 0x05,
19 NVME_RDMA_CM_NO_RSC
= 0x06,
20 NVME_RDMA_CM_INVALID_IRD
= 0x07,
21 NVME_RDMA_CM_INVALID_ORD
= 0x08,
24 static inline const char *nvme_rdma_cm_msg(enum nvme_rdma_cm_status status
)
27 case NVME_RDMA_CM_INVALID_LEN
:
28 return "invalid length";
29 case NVME_RDMA_CM_INVALID_RECFMT
:
30 return "invalid record format";
31 case NVME_RDMA_CM_INVALID_QID
:
32 return "invalid queue ID";
33 case NVME_RDMA_CM_INVALID_HSQSIZE
:
34 return "invalid host SQ size";
35 case NVME_RDMA_CM_INVALID_HRQSIZE
:
36 return "invalid host RQ size";
37 case NVME_RDMA_CM_NO_RSC
:
38 return "resource not found";
39 case NVME_RDMA_CM_INVALID_IRD
:
41 case NVME_RDMA_CM_INVALID_ORD
:
44 return "unrecognized reason";
49 * struct nvme_rdma_cm_req - rdma connect request
51 * @recfmt: format of the RDMA Private Data
52 * @qid: queue Identifier for the Admin or I/O Queue
53 * @hrqsize: host receive queue size to be created
54 * @hsqsize: host send queue size to be created
56 struct nvme_rdma_cm_req
{
65 * struct nvme_rdma_cm_rep - rdma connect reply
67 * @recfmt: format of the RDMA Private Data
68 * @crqsize: controller receive queue size
70 struct nvme_rdma_cm_rep
{
77 * struct nvme_rdma_cm_rej - rdma connect reject
79 * @recfmt: format of the RDMA Private Data
80 * @sts: error status for the associated connect request
82 struct nvme_rdma_cm_rej
{
87 #endif /* _LINUX_NVME_RDMA_H */