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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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#ifndef _LINUX_NVME_RDMA_H#define _LINUX_NVME_RDMA_H
#define NVME_RDMA_IP_PORT 4420
#define NVME_RDMA_MAX_QUEUE_SIZE 256#define NVME_RDMA_MAX_METADATA_QUEUE_SIZE 128#define NVME_RDMA_DEFAULT_QUEUE_SIZE 128
enum nvme_rdma_cm_fmt { NVME_RDMA_CM_FMT_1_0 = 0x0,};
enum nvme_rdma_cm_status { NVME_RDMA_CM_INVALID_LEN = 0x01, NVME_RDMA_CM_INVALID_RECFMT = 0x02, NVME_RDMA_CM_INVALID_QID = 0x03, NVME_RDMA_CM_INVALID_HSQSIZE = 0x04, NVME_RDMA_CM_INVALID_HRQSIZE = 0x05, NVME_RDMA_CM_NO_RSC = 0x06, NVME_RDMA_CM_INVALID_IRD = 0x07, NVME_RDMA_CM_INVALID_ORD = 0x08, NVME_RDMA_CM_INVALID_CNTLID = 0x09,};
static inline const char *nvme_rdma_cm_msg(enum nvme_rdma_cm_status status){ switch (status) { case NVME_RDMA_CM_INVALID_LEN: return "invalid length"; case NVME_RDMA_CM_INVALID_RECFMT: return "invalid record format"; case NVME_RDMA_CM_INVALID_QID: return "invalid queue ID"; case NVME_RDMA_CM_INVALID_HSQSIZE: return "invalid host SQ size"; case NVME_RDMA_CM_INVALID_HRQSIZE: return "invalid host RQ size"; case NVME_RDMA_CM_NO_RSC: return "resource not found"; case NVME_RDMA_CM_INVALID_IRD: return "invalid IRD"; case NVME_RDMA_CM_INVALID_ORD: return "Invalid ORD"; case NVME_RDMA_CM_INVALID_CNTLID: return "invalid controller ID"; default: return "unrecognized reason"; }}
/** * struct nvme_rdma_cm_req - rdma connect request * * @recfmt: format of the RDMA Private Data * @qid: queue Identifier for the Admin or I/O Queue * @hrqsize: host receive queue size to be created * @hsqsize: host send queue size to be created */struct nvme_rdma_cm_req { __le16 recfmt; __le16 qid; __le16 hrqsize; __le16 hsqsize; __le16 cntlid; u8 rsvd[22];};
/** * struct nvme_rdma_cm_rep - rdma connect reply * * @recfmt: format of the RDMA Private Data * @crqsize: controller receive queue size */struct nvme_rdma_cm_rep { __le16 recfmt; __le16 crqsize; u8 rsvd[28];};
/** * struct nvme_rdma_cm_rej - rdma connect reject * * @recfmt: format of the RDMA Private Data * @sts: error status for the associated connect request */struct nvme_rdma_cm_rej { __le16 recfmt; __le16 sts;};
#endif /* _LINUX_NVME_RDMA_H */