Commit 017a8f88 authored by Seth Howell's avatar Seth Howell Committed by Tomasz Zawadzki
Browse files

lib/nvme: add objects for transport registration. 



Signed-off-by: default avatarSeth Howell <seth.howell@intel.com>
Change-Id: I33d0a23b646a06acbf219ff283f094197af6b1fc
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/478865


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
parent 771d7593

include/spdk/nvme.h

+55 −0
Original line number Diff line number Diff line
@@ -2840,6 +2840,61 @@ int spdk_nvme_cuse_register(struct spdk_nvme_ctrlr *ctrlr); 
 */

void spdk_nvme_cuse_unregister(struct spdk_nvme_ctrlr *ctrlr);



struct nvme_request;



struct spdk_nvme_transport_ops {

	char name[SPDK_NVMF_TRSTRING_MAX_LEN + 1];



	enum spdk_nvme_transport_type type;



	struct spdk_nvme_ctrlr *(*ctrlr_construct)(const struct spdk_nvme_transport_id *trid,

			const struct spdk_nvme_ctrlr_opts *opts,

			void *devhandle);



	int (*ctrlr_scan)(struct spdk_nvme_probe_ctx *probe_ctx, bool direct_connect);



	int (*ctrlr_destruct)(struct spdk_nvme_ctrlr *ctrlr);



	int (*ctrlr_enable)(struct spdk_nvme_ctrlr *ctrlr);



	int (*ctrlr_set_reg_4)(struct spdk_nvme_ctrlr *ctrlr, uint32_t offset, uint32_t value);



	int (*ctrlr_set_reg_8)(struct spdk_nvme_ctrlr *ctrlr, uint32_t offset, uint64_t value);



	int (*ctrlr_get_reg_4)(struct spdk_nvme_ctrlr *ctrlr, uint32_t offset, uint32_t *value);



	int (*ctrlr_get_reg_8)(struct spdk_nvme_ctrlr *ctrlr, uint32_t offset, uint64_t *value);



	uint32_t (*ctrlr_get_max_xfer_size)(struct spdk_nvme_ctrlr *ctrlr);



	uint16_t (*ctrlr_get_max_sges)(struct spdk_nvme_ctrlr *ctrlr);



	void *(*ctrlr_alloc_cmb_io_buffer)(struct spdk_nvme_ctrlr *ctrlr, size_t size);



	int (*ctrlr_free_cmb_io_buffer)(struct spdk_nvme_ctrlr *ctrlr, void *buf, size_t size);



	struct spdk_nvme_qpair *(*ctrlr_create_io_qpair)(struct spdk_nvme_ctrlr *ctrlr, uint16_t qid,

			const struct spdk_nvme_io_qpair_opts *opts);



	int (*ctrlr_delete_io_qpair)(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_qpair *qpair);



	int (*ctrlr_connect_qpair)(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_qpair *qpair);



	volatile struct spdk_nvme_registers *(*ctrlr_get_registers)(struct spdk_nvme_ctrlr *ctrlr);



	void (*ctrlr_disconnect_qpair)(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_qpair *qpair);



	void (*qpair_abort_reqs)(struct spdk_nvme_qpair *qpair, uint32_t dnr);



	int (*qpair_reset)(struct spdk_nvme_qpair *qpair);



	int (*qpair_submit_request)(struct spdk_nvme_qpair *qpair, struct nvme_request *req);



	int32_t (*qpair_process_completions)(struct spdk_nvme_qpair *qpair, uint32_t max_completions);



	void (*admin_qpair_abort_aers)(struct spdk_nvme_qpair *qpair);

};



#ifdef __cplusplus

}

#endif

lib/nvme/nvme_internal.h

+7 −0
Original line number Diff line number Diff line
@@ -355,6 +355,11 @@ enum nvme_qpair_state { 
	NVME_QPAIR_ENABLED,

};



struct nvme_transport {

	struct spdk_nvme_transport_ops	ops;

	TAILQ_ENTRY(nvme_transport)	link;

};



struct spdk_nvme_qpair {

	struct spdk_nvme_ctrlr		*ctrlr;
@@ -400,6 +405,8 @@ struct spdk_nvme_qpair { 


	void				*req_buf;



	const struct nvme_transport	*transport;



	uint8_t				transport_failure_reason: 2;

};