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| 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);
int (*ctrlr_set_reg_4_async)(struct spdk_nvme_ctrlr *ctrlr, uint32_t offset, uint32_t value,
spdk_nvme_reg_cb cb_fn, void *cb_arg);
int (*ctrlr_set_reg_8_async)(struct spdk_nvme_ctrlr *ctrlr, uint32_t offset, uint64_t value,
spdk_nvme_reg_cb cb_fn, void *cb_arg);
int (*ctrlr_get_reg_4_async)(struct spdk_nvme_ctrlr *ctrlr, uint32_t offset,
spdk_nvme_reg_cb cb_fn, void *cb_arg);
int (*ctrlr_get_reg_8_async)(struct spdk_nvme_ctrlr *ctrlr, uint32_t offset,
spdk_nvme_reg_cb cb_fn, void *cb_arg);
uint32_t (*ctrlr_get_max_xfer_size)(struct spdk_nvme_ctrlr *ctrlr);
uint16_t (*ctrlr_get_max_sges)(struct spdk_nvme_ctrlr *ctrlr);
int (*ctrlr_reserve_cmb)(struct spdk_nvme_ctrlr *ctrlr);
void *(*ctrlr_map_cmb)(struct spdk_nvme_ctrlr *ctrlr, size_t *size);
int (*ctrlr_unmap_cmb)(struct spdk_nvme_ctrlr *ctrlr);
int (*ctrlr_enable_pmr)(struct spdk_nvme_ctrlr *ctrlr);
int (*ctrlr_disable_pmr)(struct spdk_nvme_ctrlr *ctrlr);
void *(*ctrlr_map_pmr)(struct spdk_nvme_ctrlr *ctrlr, size_t *size);
int (*ctrlr_unmap_pmr)(struct spdk_nvme_ctrlr *ctrlr);
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);
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);
int (*qpair_iterate_requests)(struct spdk_nvme_qpair *qpair,
int (*iter_fn)(struct nvme_request *req, void *arg),
void *arg);
void (*admin_qpair_abort_aers)(struct spdk_nvme_qpair *qpair);
struct spdk_nvme_transport_poll_group *(*poll_group_create)(void);
struct spdk_nvme_transport_poll_group *(*qpair_get_optimal_poll_group)(
struct spdk_nvme_qpair *qpair);
int (*poll_group_add)(struct spdk_nvme_transport_poll_group *tgroup, struct spdk_nvme_qpair *qpair);
int (*poll_group_remove)(struct spdk_nvme_transport_poll_group *tgroup,
struct spdk_nvme_qpair *qpair);
int (*poll_group_connect_qpair)(struct spdk_nvme_qpair *qpair);
int (*poll_group_disconnect_qpair)(struct spdk_nvme_qpair *qpair);
int64_t (*poll_group_process_completions)(struct spdk_nvme_transport_poll_group *tgroup,
uint32_t completions_per_qpair, spdk_nvme_disconnected_qpair_cb disconnected_qpair_cb);
int (*poll_group_destroy)(struct spdk_nvme_transport_poll_group *tgroup);
int (*poll_group_get_stats)(struct spdk_nvme_transport_poll_group *tgroup,
struct spdk_nvme_transport_poll_group_stat **stats);
void (*poll_group_free_stats)(struct spdk_nvme_transport_poll_group *tgroup,
struct spdk_nvme_transport_poll_group_stat *stats);
int (*ctrlr_get_memory_domains)(const struct spdk_nvme_ctrlr *ctrlr,
struct spdk_memory_domain **domains,
int array_size);
int (*ctrlr_ready)(struct spdk_nvme_ctrlr *ctrlr);
volatile struct spdk_nvme_registers *(*ctrlr_get_registers)(struct spdk_nvme_ctrlr *ctrlr);
}
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