/*
* BSD LICENSE
*
- * Copyright (c) 2018 Broadcom. All Rights Reserved.
+ * Copyright (c) 2018-2019 Broadcom. All Rights Reserved.
* The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries.
*
* Redistribution and use in source and binary forms, with or without
#ifndef __NVMF_FC_H__
#define __NVMF_FC_H__
+#include "spdk/nvme.h"
#include "spdk/nvmf.h"
#include "spdk/assert.h"
#include "spdk/nvme_spec.h"
#include "spdk/nvmf_fc_spec.h"
-#include "spdk/event.h"
-#include "spdk/io_channel.h"
+#include "spdk/thread.h"
#include "nvmf_internal.h"
#define SPDK_NVMF_FC_TR_ADDR_LEN 64
+#define NVMF_FC_INVALID_CONN_ID UINT64_MAX
+
+#define SPDK_FC_HW_DUMP_REASON_STR_MAX_SIZE 256
+#define SPDK_MAX_NUM_OF_FC_PORTS 32
+#define SPDK_NVMF_PORT_ID_MAX_LEN 32
+
+/*
+ * FC HWQP pointer
+ */
+typedef void *spdk_nvmf_fc_lld_hwqp_t;
/*
* FC HW port states.
};
/*
- * NVMF BCM FC Object state
+ * NVMF FC Object state
* Add all the generic states of the object here.
* Specific object states can be added separately
*/
SPDK_NVMF_FC_REQ_SUCCESS,
SPDK_NVMF_FC_REQ_FAILED,
SPDK_NVMF_FC_REQ_ABORTED,
+ SPDK_NVMF_FC_REQ_BDEV_ABORTED,
SPDK_NVMF_FC_REQ_PENDING,
SPDK_NVMF_FC_REQ_MAX_STATE,
};
-/*
- * FC HWQP pointer
- */
-typedef void *spdk_nvmf_fc_lld_hwqp_t;
-
-/*
- * FC World Wide Name
- */
-struct spdk_nvmf_fc_wwn {
- union {
- uint64_t wwn; /* World Wide Names consist of eight bytes */
- uint8_t octets[sizeof(uint64_t)];
- } u;
-};
-
/*
* Generic DMA buffer descriptor
*/
* NVME FC transport errors
*/
struct spdk_nvmf_fc_errors {
- uint32_t no_xri;
+ uint32_t no_xchg;
uint32_t nport_invalid;
uint32_t unknown_frame;
uint32_t wqe_cmplt_err;
uint32_t invalid_cq_type;
uint32_t invalid_cq_id;
uint32_t fc_req_buf_err;
- uint32_t aq_buf_alloc_err;
- uint32_t write_buf_alloc_err;
- uint32_t read_buf_alloc_err;
+ uint32_t buf_alloc_err;
uint32_t unexpected_err;
uint32_t nvme_cmd_iu_err;
uint32_t nvme_cmd_xfer_err;
/*
* Send Single Request/Response Sequence.
*/
-struct spdk_nvmf_fc_send_srsr {
- struct spdk_nvmf_fc_buffer_desc rqst;
- struct spdk_nvmf_fc_buffer_desc rsp;
- struct spdk_nvmf_fc_buffer_desc sgl; /* Note: Len = (2 * bcm_sge_t) */
+struct spdk_nvmf_fc_srsr_bufs {
+ void *rqst;
+ size_t rqst_len;
+ void *rsp;
+ size_t rsp_len;
uint16_t rpi;
};
*/
struct spdk_nvmf_fc_conn {
struct spdk_nvmf_qpair qpair;
+ struct spdk_nvme_transport_id trid;
uint64_t conn_id;
struct spdk_nvmf_fc_hwqp *hwqp;
/* number of read/write requests that are outstanding */
uint16_t cur_fc_rw_depth;
- /* requests that are waiting to obtain xri/buffer */
- TAILQ_HEAD(, spdk_nvmf_fc_request) pending_queue;
-
struct spdk_nvmf_fc_association *fc_assoc;
- /* additional FC info here - TBD */
uint16_t rpi;
/* for association's connection list */
/* for hwqp's connection list */
TAILQ_ENTRY(spdk_nvmf_fc_conn) link;
+
+ /* New QP create context. */
+ struct nvmf_fc_ls_op_ctx *create_opd;
};
/*
- * Structure for maintaining the XRI's
+ * Structure for maintaining the FC exchanges
*/
-struct spdk_nvmf_fc_xri {
- uint32_t xri; /* The actual xri value */
+struct spdk_nvmf_fc_xchg {
+ uint32_t xchg_id; /* The actual xchg identifier */
+
/* Internal */
- TAILQ_ENTRY(spdk_nvmf_fc_xri) link;
- bool is_active;
+ TAILQ_ENTRY(spdk_nvmf_fc_xchg) link;
+ bool active;
+ bool aborted;
+ bool send_abts; /* Valid if is_aborted is set. */
};
-struct spdk_nvmf_fc_poll_group;
+/*
+ * FC poll group structure
+ */
+struct spdk_nvmf_fc_poll_group {
+ struct spdk_nvmf_transport_poll_group group;
+ struct spdk_nvmf_tgt *nvmf_tgt;
+ uint32_t hwqp_count; /* number of hwqp's assigned to this pg */
+ TAILQ_HEAD(, spdk_nvmf_fc_hwqp) hwqp_list;
+
+ TAILQ_ENTRY(spdk_nvmf_fc_poll_group) link;
+};
/*
* HWQP poller structure passed from Master thread
*/
struct spdk_nvmf_fc_hwqp {
+ enum spdk_fc_hwqp_state state; /* queue state (for poller) */
uint32_t lcore_id; /* core hwqp is running on (for tracing purposes only) */
struct spdk_thread *thread; /* thread hwqp is running on */
uint32_t hwqp_id; /* A unique id (per physical port) for a hwqp */
uint32_t rq_size; /* receive queue size */
- spdk_nvmf_fc_lld_hwqp_t queues; /* vendor HW queue set */
+ spdk_nvmf_fc_lld_hwqp_t queues; /* vendor HW queue set */
struct spdk_nvmf_fc_port *fc_port; /* HW port structure for these queues */
- struct spdk_nvmf_fc_poll_group *poll_group;
-
- void *context; /* Vendor Context */
+ struct spdk_nvmf_fc_poll_group *fgroup;
+ /* qpair (fc_connection) list */
TAILQ_HEAD(, spdk_nvmf_fc_conn) connection_list;
uint32_t num_conns; /* number of connections to queue */
- uint16_t cid_cnt; /* used to generate unique conn. id for RQ */
- uint32_t free_q_slots; /* free q slots available for connections */
- enum spdk_fc_hwqp_state state; /* Poller state (e.g. online, offline) */
- /* Internal */
- struct spdk_mempool *fc_request_pool;
+ struct spdk_nvmf_fc_request *fc_reqs_buf;
+ TAILQ_HEAD(, spdk_nvmf_fc_request) free_reqs;
TAILQ_HEAD(, spdk_nvmf_fc_request) in_use_reqs;
- TAILQ_HEAD(, spdk_nvmf_fc_xri) pending_xri_list;
-
struct spdk_nvmf_fc_errors counters;
- uint32_t send_frame_xri;
- uint8_t send_frame_seqid;
- /* Pending LS request waiting for XRI. */
+ /* Pending LS request waiting for FC resource */
TAILQ_HEAD(, spdk_nvmf_fc_ls_rqst) ls_pending_queue;
/* Sync req list */
TAILQ_HEAD(, spdk_nvmf_fc_poller_api_queue_sync_args) sync_cbs;
TAILQ_ENTRY(spdk_nvmf_fc_hwqp) link;
-};
-
-struct spdk_nvmf_fc_ls_rsrc_pool {
- void *assocs_mptr;
- uint32_t assocs_count;
- TAILQ_HEAD(, spdk_nvmf_fc_association) assoc_free_list;
- void *conns_mptr;
- uint32_t conns_count;
- TAILQ_HEAD(, spdk_nvmf_fc_conn) fc_conn_free_list;
+ void *context; /* Vendor specific context data */
};
/*
struct spdk_nvmf_fc_port {
uint8_t port_hdl;
enum spdk_fc_port_state hw_port_status;
- uint32_t xri_base;
- uint32_t xri_count;
uint16_t fcp_rq_id;
- struct spdk_ring *xri_ring;
struct spdk_nvmf_fc_hwqp ls_queue;
+
uint32_t num_io_queues;
struct spdk_nvmf_fc_hwqp *io_queues;
/*
int num_nports;
TAILQ_ENTRY(spdk_nvmf_fc_port) link;
- struct spdk_nvmf_fc_ls_rsrc_pool ls_rsrc_pool;
- struct spdk_mempool *io_rsrc_pool; /* Pools to store bdev_io's for this port */
+ struct spdk_mempool *io_resource_pool; /* Pools to store bdev_io's for this port */
void *port_ctx;
};
uint32_t poller_lcore; /* for tracing purposes only */
struct spdk_thread *poller_thread;
uint16_t buf_index;
- struct spdk_nvmf_fc_xri *xri;
+ struct spdk_nvmf_fc_xchg *xchg;
uint16_t oxid;
uint16_t rpi;
struct spdk_nvmf_fc_conn *fc_conn;
uint32_t s_id;
uint32_t d_id;
TAILQ_ENTRY(spdk_nvmf_fc_request) link;
- TAILQ_ENTRY(spdk_nvmf_fc_request) pending_link;
+ STAILQ_ENTRY(spdk_nvmf_fc_request) pending_link;
TAILQ_HEAD(, spdk_nvmf_fc_caller_ctx) abort_cbs;
};
SPDK_STATIC_ASSERT(!offsetof(struct spdk_nvmf_fc_request, req),
"FC request and NVMF request address don't match.");
+
/*
* NVMF FC Association
*/
struct spdk_nvmf_fc_nport *tgtport;
struct spdk_nvmf_fc_remote_port_info *rport;
struct spdk_nvmf_subsystem *subsystem;
- struct spdk_nvmf_host *host;
enum spdk_nvmf_fc_object_state assoc_state;
char host_id[FCNVME_ASSOC_HOSTID_LEN];
- char host_nqn[FCNVME_ASSOC_HOSTNQN_LEN];
- char sub_nqn[FCNVME_ASSOC_HOSTNQN_LEN];
+ char host_nqn[SPDK_NVME_NQN_FIELD_SIZE];
+ char sub_nqn[SPDK_NVME_NQN_FIELD_SIZE];
struct spdk_nvmf_fc_conn *aq_conn; /* connection for admin queue */
void *ls_del_op_ctx; /* delete assoc. callback list */
- /* req/resp buffers used to send disconnect to initiator */
- struct spdk_nvmf_fc_send_srsr snd_disconn_bufs;
+ /* disconnect cmd buffers (sent to initiator) */
+ struct spdk_nvmf_fc_srsr_bufs *snd_disconn_bufs;
};
/*
SPDK_NVMF_FC_POLLER_API_QUIESCE_QUEUE,
SPDK_NVMF_FC_POLLER_API_ACTIVATE_QUEUE,
SPDK_NVMF_FC_POLLER_API_ABTS_RECEIVED,
+ SPDK_NVMF_FC_POLLER_API_REQ_ABORT_COMPLETE,
SPDK_NVMF_FC_POLLER_API_ADAPTER_EVENT,
SPDK_NVMF_FC_POLLER_API_AEN,
SPDK_NVMF_FC_POLLER_API_QUEUE_SYNC,
SPDK_NVMF_FC_POLLER_API_QUEUE_SYNC_DONE,
+ SPDK_NVMF_FC_POLLER_API_ADD_HWQP,
+ SPDK_NVMF_FC_POLLER_API_REMOVE_HWQP,
};
/*
* Poller API callback data
*/
struct spdk_nvmf_fc_poller_api_cb_info {
+ struct spdk_thread *cb_thread;
spdk_nvmf_fc_poller_api_cb cb_func;
void *cb_data;
enum spdk_nvmf_fc_poller_api_ret ret;
bool send_abts;
/* internal */
int fc_request_cnt;
+ bool backend_initiated;
};
struct spdk_nvmf_fc_poller_api_quiesce_queue_args {
struct spdk_nvmf_fc_poller_api_queue_sync_done_args {
struct spdk_nvmf_fc_hwqp *hwqp;
+ struct spdk_nvmf_fc_poller_api_cb_info cb_info;
uint64_t tag;
};
uint32_t rqst_len;
uint32_t rsp_len;
uint32_t rpi;
- struct spdk_nvmf_fc_xri *xri;
+ struct spdk_nvmf_fc_xchg *xchg;
uint16_t oxid;
void *private_data; /* for LLD only (LS does not touch) */
TAILQ_ENTRY(spdk_nvmf_fc_ls_rqst) ls_pending_link;
#define FCNVME_LS_RSVD_SIZE (FCNVME_MAX_LS_BUFFER_SIZE - \
(sizeof(struct spdk_nvmf_fc_ls_rqst) + FCNVME_MAX_LS_REQ_SIZE + FCNVME_MAX_LS_RSP_SIZE))
-struct __attribute__((__packed__)) spdk_nvmf_fc_rq_buf_ls_request {
+struct spdk_nvmf_fc_rq_buf_ls_request {
uint8_t rqst[FCNVME_MAX_LS_REQ_SIZE];
uint8_t resp[FCNVME_MAX_LS_RSP_SIZE];
struct spdk_nvmf_fc_ls_rqst ls_rqst;
SPDK_STATIC_ASSERT(sizeof(struct spdk_nvmf_fc_rq_buf_ls_request) ==
FCNVME_MAX_LS_BUFFER_SIZE, "LS RQ Buffer overflow");
+/* Poller API structures (arguments and callback data */
+typedef void (*spdk_nvmf_fc_del_assoc_cb)(void *arg, uint32_t err);
+
+struct spdk_nvmf_fc_ls_add_conn_api_data {
+ struct spdk_nvmf_fc_poller_api_add_connection_args args;
+ struct spdk_nvmf_fc_ls_rqst *ls_rqst;
+ struct spdk_nvmf_fc_association *assoc;
+ bool aq_conn; /* true if adding connection for new association */
+};
+
+/* Disconnect (connection) request functions */
+struct spdk_nvmf_fc_ls_del_conn_api_data {
+ struct spdk_nvmf_fc_poller_api_del_connection_args args;
+ struct spdk_nvmf_fc_ls_rqst *ls_rqst;
+ struct spdk_nvmf_fc_association *assoc;
+ bool aq_conn; /* true if deleting AQ connection */
+};
+
+/* used by LS disconnect association cmd handling */
+struct spdk_nvmf_fc_ls_disconn_assoc_api_data {
+ struct spdk_nvmf_fc_nport *tgtport;
+ struct spdk_nvmf_fc_ls_rqst *ls_rqst;
+};
+
+/* used by delete association call */
+struct spdk_nvmf_fc_delete_assoc_api_data {
+ struct spdk_nvmf_fc_poller_api_del_connection_args args;
+ struct spdk_nvmf_fc_association *assoc;
+ bool from_ls_rqst; /* true = request came for LS */
+ spdk_nvmf_fc_del_assoc_cb del_assoc_cb;
+ void *del_assoc_cb_data;
+};
+
+struct nvmf_fc_ls_op_ctx {
+ union {
+ struct spdk_nvmf_fc_ls_add_conn_api_data add_conn;
+ struct spdk_nvmf_fc_ls_del_conn_api_data del_conn;
+ struct spdk_nvmf_fc_ls_disconn_assoc_api_data disconn_assoc;
+ struct spdk_nvmf_fc_delete_assoc_api_data del_assoc;
+ } u;
+ struct nvmf_fc_ls_op_ctx *next_op_ctx;
+};
struct spdk_nvmf_fc_poller_api_queue_sync_args {
uint64_t u_id;
TAILQ_ENTRY(spdk_nvmf_fc_poller_api_queue_sync_args) link;
};
+/**
+ * Following defines and structures are used to pass messages between master thread
+ * and FCT driver.
+ */
+enum spdk_fc_event {
+ SPDK_FC_HW_PORT_INIT,
+ SPDK_FC_HW_PORT_ONLINE,
+ SPDK_FC_HW_PORT_OFFLINE,
+ SPDK_FC_HW_PORT_RESET,
+ SPDK_FC_NPORT_CREATE,
+ SPDK_FC_NPORT_DELETE,
+ SPDK_FC_IT_ADD, /* PRLI */
+ SPDK_FC_IT_DELETE, /* PRLI */
+ SPDK_FC_ABTS_RECV,
+ SPDK_FC_LINK_BREAK,
+ SPDK_FC_HW_PORT_DUMP,
+ SPDK_FC_UNRECOVERABLE_ERR,
+ SPDK_FC_EVENT_MAX,
+};
+
+/**
+ * Arguments for to dump assoc id
+ */
+struct spdk_nvmf_fc_dump_assoc_id_args {
+ uint8_t pport_handle;
+ uint16_t nport_handle;
+ uint32_t assoc_id;
+};
+
+/**
+ * Arguments for HW port init event.
+ */
+struct spdk_nvmf_fc_hw_port_init_args {
+ uint32_t ls_queue_size;
+ spdk_nvmf_fc_lld_hwqp_t ls_queue;
+ uint32_t io_queue_size;
+ uint32_t io_queue_cnt;
+ spdk_nvmf_fc_lld_hwqp_t *io_queues;
+ void *cb_ctx;
+ void *port_ctx;
+ uint8_t port_handle;
+ uint8_t nvme_aq_index; /* io_queue used for nvme admin queue */
+ uint16_t fcp_rq_id; /* Base rq ID of SCSI queue */
+};
+
+/**
+ * Arguments for HW port link break event.
+ */
+struct spdk_nvmf_hw_port_link_break_args {
+ uint8_t port_handle;
+ void *cb_ctx;
+};
+
+/**
+ * Arguments for HW port online event.
+ */
+struct spdk_nvmf_fc_hw_port_online_args {
+ uint8_t port_handle;
+ void *cb_ctx;
+};
+
+/**
+ * Arguments for HW port offline event.
+ */
+struct spdk_nvmf_fc_hw_port_offline_args {
+ uint8_t port_handle;
+ void *cb_ctx;
+};
+
+/**
+ * Arguments for n-port add event.
+ */
+struct spdk_nvmf_fc_nport_create_args {
+ uint8_t port_handle;
+ uint16_t nport_handle;
+ struct spdk_uuid container_uuid; /* UUID of the nports container */
+ struct spdk_uuid nport_uuid; /* Unique UUID for the nport */
+ uint32_t d_id;
+ struct spdk_nvmf_fc_wwn fc_nodename;
+ struct spdk_nvmf_fc_wwn fc_portname;
+ uint32_t subsys_id; /* Subsystemid */
+ char port_id[SPDK_NVMF_PORT_ID_MAX_LEN];
+ void *cb_ctx;
+};
+
+/**
+ * Arguments for n-port delete event.
+ */
+struct spdk_nvmf_fc_nport_delete_args {
+ uint8_t port_handle;
+ uint32_t nport_handle;
+ uint32_t subsys_id; /* Subsystem id */
+ void *cb_ctx;
+};
+
+/**
+ * Arguments for I_T add event.
+ */
+struct spdk_nvmf_fc_hw_i_t_add_args {
+ uint8_t port_handle;
+ uint32_t nport_handle;
+ uint16_t itn_handle;
+ uint32_t rpi;
+ uint32_t s_id;
+ uint32_t initiator_prli_info;
+ uint32_t target_prli_info; /* populated by the SPDK master */
+ struct spdk_nvmf_fc_wwn fc_nodename;
+ struct spdk_nvmf_fc_wwn fc_portname;
+ void *cb_ctx;
+};
+
+/**
+ * Arguments for I_T delete event.
+ */
+struct spdk_nvmf_fc_hw_i_t_delete_args {
+ uint8_t port_handle;
+ uint32_t nport_handle;
+ uint16_t itn_handle; /* Only used by FC LLD driver; unused in SPDK */
+ uint32_t rpi;
+ uint32_t s_id;
+ void *cb_ctx;
+};
+
+/**
+ * Arguments for ABTS event.
+ */
+struct spdk_nvmf_fc_abts_args {
+ uint8_t port_handle;
+ uint32_t nport_handle;
+ uint32_t rpi;
+ uint16_t oxid, rxid;
+ void *cb_ctx;
+};
+
+/**
+ * Arguments for link break event.
+ */
+struct spdk_nvmf_fc_link_break_args {
+ uint8_t port_handle;
+};
+
+/**
+ * Arguments for port reset event.
+ */
+struct spdk_nvmf_fc_hw_port_reset_args {
+ uint8_t port_handle;
+ bool dump_queues;
+ char reason[SPDK_FC_HW_DUMP_REASON_STR_MAX_SIZE];
+ uint32_t **dump_buf;
+ void *cb_ctx;
+};
+
+/**
+ * Arguments for unrecoverable error event
+ */
+struct spdk_nvmf_fc_unrecoverable_error_event_args {
+};
+
+/**
+ * Callback function to the FCT driver.
+ */
+typedef void (*spdk_nvmf_fc_callback)(uint8_t port_handle,
+ enum spdk_fc_event event_type,
+ void *arg, int err);
+
+/**
+ * Enqueue an FCT event to master thread
+ *
+ * \param event_type Type of the event.
+ * \param args Pointer to the argument structure.
+ * \param cb_func Callback function into fc driver.
+ *
+ * \return 0 on success, non-zero on failure.
+ */
+int
+nvmf_fc_master_enqueue_event(enum spdk_fc_event event_type,
+ void *args,
+ spdk_nvmf_fc_callback cb_func);
+
/*
* dump info
*/
#define SPDK_FC_HW_DUMP_BUF_SIZE (10 * 4096)
static inline void
-spdk_nvmf_fc_dump_buf_print(struct spdk_nvmf_fc_queue_dump_info *dump_info, char *fmt, ...)
+nvmf_fc_dump_buf_print(struct spdk_nvmf_fc_queue_dump_info *dump_info, char *fmt, ...)
{
uint64_t buffer_size = SPDK_FC_HW_DUMP_BUF_SIZE;
int32_t avail = (int32_t)(buffer_size - dump_info->offset);
};
/*
- * Low level FC driver function table (functions provided by vendor FC device driver)
+ * NVMF FC Exchange Info (for debug)
*/
-struct spdk_nvmf_fc_ll_drvr_ops {
-
- /* initialize the low level driver */
- int (*lld_init)(void);
-
- /* low level driver finish */
- void (*lld_fini)(void);
-
- /* initialize hw queues */
- int (*init_q)(struct spdk_nvmf_fc_hwqp *hwqp);
-
- void (*reinit_q)(spdk_nvmf_fc_lld_hwqp_t queues_prev,
- spdk_nvmf_fc_lld_hwqp_t queues_curr);
-
- /* initialize hw queue buffers */
- int (*init_q_buffers)(struct spdk_nvmf_fc_hwqp *hwqp);
-
- /* poll the hw queues for requests */
- uint32_t (*poll_queue)(struct spdk_nvmf_fc_hwqp *hwqp);
-
- /* receive data (for data-in requests) */
- int (*recv_data)(struct spdk_nvmf_fc_request *fc_req);
-
- /* send data (for data-out requests) */
- int (*send_data)(struct spdk_nvmf_fc_request *fc_req);
-
- /* release hw queust buffer */
- void (*q_buffer_release)(struct spdk_nvmf_fc_hwqp *hwqp, uint16_t buff_idx);
-
- /* transmist nvme response */
- int (*xmt_rsp)(struct spdk_nvmf_fc_request *fc_req, uint8_t *ersp_buf, uint32_t ersp_len);
-
- /* transmist LS response */
- int (*xmt_ls_rsp)(struct spdk_nvmf_fc_nport *tgtport, struct spdk_nvmf_fc_ls_rqst *ls_rqst);
-
- /* issue abts */
- int (*issue_abort)(struct spdk_nvmf_fc_hwqp *hwqp, struct spdk_nvmf_fc_xri *xri,
- bool send_abts, spdk_nvmf_fc_caller_cb cb, void *cb_args);
-
- /* transmit abts response */
- int (*xmt_bls_rsp)(struct spdk_nvmf_fc_hwqp *hwqp, uint16_t ox_id, uint16_t rx_id, uint16_t rpi,
- bool rjt, uint8_t rjt_exp, spdk_nvmf_fc_caller_cb cb, void *cb_args);
-
- /* transmit single request - single response */
- int (*xmt_srsr_req)(struct spdk_nvmf_fc_hwqp *hwqp, struct spdk_nvmf_fc_send_srsr *srsr,
- spdk_nvmf_fc_caller_cb cb, void *cb_args);
-
- /* issue queue marker (abts processing) */
- int (*issue_q_marker)(struct spdk_nvmf_fc_hwqp *hwqp, uint64_t u_id, uint16_t skip_rq);
-
- /* assign a new connection to a hwqp (return connection ID) */
- struct spdk_nvmf_fc_hwqp *(*assign_conn_to_hwqp)(
- struct spdk_nvmf_fc_hwqp *queues, uint32_t num_queues,
- uint64_t *conn_id, uint32_t sq_size, bool for_aq);
-
- /* get the hwqp from the given connection id */
- struct spdk_nvmf_fc_hwqp *(*get_hwqp_from_conn_id)(struct spdk_nvmf_fc_hwqp *hwqp,
- uint32_t num_queues, uint64_t conn_id);
-
- /* release connection ID (done with using it) */
- void (*release_conn)(struct spdk_nvmf_fc_hwqp *hwqp, uint64_t conn_id, uint32_t sq_size);
-
- /* dump all queue info into dump_info */
- void (*dump_all_queues)(struct spdk_nvmf_fc_hwqp *ls_queues,
- struct spdk_nvmf_fc_hwqp *io_queues,
- uint32_t num_queues,
- struct spdk_nvmf_fc_queue_dump_info *dump_info);
+struct spdk_nvmf_fc_xchg_info {
+ uint32_t xchg_base;
+ uint32_t xchg_total_count;
+ uint32_t xchg_avail_count;
+ uint32_t send_frame_xchg_id;
+ uint8_t send_frame_seqid;
};
-extern struct spdk_nvmf_fc_ll_drvr_ops spdk_nvmf_fc_lld_ops;
-
/*
* NVMF FC inline and function prototypes
*/
static inline struct spdk_nvmf_fc_request *
-spdk_nvmf_fc_get_fc_req(struct spdk_nvmf_request *req)
+nvmf_fc_get_fc_req(struct spdk_nvmf_request *req)
{
return (struct spdk_nvmf_fc_request *)
((uintptr_t)req - offsetof(struct spdk_nvmf_fc_request, req));
}
static inline bool
-spdk_nvmf_fc_is_port_dead(struct spdk_nvmf_fc_hwqp *hwqp)
+nvmf_fc_is_port_dead(struct spdk_nvmf_fc_hwqp *hwqp)
{
switch (hwqp->fc_port->hw_port_status) {
case SPDK_FC_PORT_QUIESCED:
}
static inline bool
-spdk_nvmf_fc_req_in_xfer(struct spdk_nvmf_fc_request *fc_req)
+nvmf_fc_req_in_xfer(struct spdk_nvmf_fc_request *fc_req)
{
switch (fc_req->state) {
case SPDK_NVMF_FC_REQ_READ_XFER:
}
}
-typedef void (*spdk_nvmf_fc_del_assoc_cb)(void *arg, uint32_t err);
-int spdk_nvmf_fc_delete_association(struct spdk_nvmf_fc_nport *tgtport,
- uint64_t assoc_id, bool send_abts,
- spdk_nvmf_fc_del_assoc_cb del_assoc_cb,
- void *cb_data);
-
-void spdk_nvmf_fc_ls_init(struct spdk_nvmf_fc_port *fc_port);
-
-void spdk_nvmf_fc_ls_fini(struct spdk_nvmf_fc_port *fc_port);
-
-struct spdk_nvmf_fc_port *spdk_nvmf_fc_port_list_get(uint8_t port_hdl);
-
-int spdk_nvmf_fc_nport_set_state(struct spdk_nvmf_fc_nport *nport,
- enum spdk_nvmf_fc_object_state state);
-
-int spdk_nvmf_fc_assoc_set_state(struct spdk_nvmf_fc_association *assoc,
- enum spdk_nvmf_fc_object_state state);
-
-bool spdk_nvmf_fc_nport_add_rem_port(struct spdk_nvmf_fc_nport *nport,
- struct spdk_nvmf_fc_remote_port_info *rem_port);
-
-bool spdk_nvmf_fc_nport_remove_rem_port(struct spdk_nvmf_fc_nport *nport,
- struct spdk_nvmf_fc_remote_port_info *rem_port);
-
-void spdk_nvmf_fc_init_poller_queues(struct spdk_nvmf_fc_hwqp *hwqp);
-
-void spdk_nvmf_fc_reinit_poller_queues(struct spdk_nvmf_fc_hwqp *hwqp,
- void *queues_curr);
-
-void spdk_nvmf_fc_init_poller(struct spdk_nvmf_fc_port *fc_port,
- struct spdk_nvmf_fc_hwqp *hwqp);
-
-void spdk_nvmf_fc_add_hwqp_to_poller(struct spdk_nvmf_fc_hwqp *hwqp, bool admin_q);
+static inline void
+nvmf_fc_create_trid(struct spdk_nvme_transport_id *trid, uint64_t n_wwn, uint64_t p_wwn)
+{
+ spdk_nvme_trid_populate_transport(trid, SPDK_NVME_TRANSPORT_FC);
+ trid->adrfam = SPDK_NVMF_ADRFAM_FC;
+ snprintf(trid->trsvcid, sizeof(trid->trsvcid), "none");
+ snprintf(trid->traddr, sizeof(trid->traddr), "nn-0x%lx:pn-0x%lx", n_wwn, p_wwn);
+}
-void spdk_nvmf_fc_remove_hwqp_from_poller(struct spdk_nvmf_fc_hwqp *hwqp);
+void nvmf_fc_ls_init(struct spdk_nvmf_fc_port *fc_port);
-bool spdk_nvmf_fc_port_is_offline(struct spdk_nvmf_fc_port *fc_port);
+void nvmf_fc_ls_fini(struct spdk_nvmf_fc_port *fc_port);
-int spdk_nvmf_fc_port_set_offline(struct spdk_nvmf_fc_port *fc_port);
+void nvmf_fc_handle_ls_rqst(struct spdk_nvmf_fc_ls_rqst *ls_rqst);
+void nvmf_fc_ls_add_conn_failure(
+ struct spdk_nvmf_fc_association *assoc,
+ struct spdk_nvmf_fc_ls_rqst *ls_rqst,
+ struct spdk_nvmf_fc_conn *fc_conn,
+ bool aq_conn);
-bool spdk_nvmf_fc_port_is_online(struct spdk_nvmf_fc_port *fc_port);
+void nvmf_fc_init_hwqp(struct spdk_nvmf_fc_port *fc_port, struct spdk_nvmf_fc_hwqp *hwqp);
-int spdk_nvmf_fc_port_set_online(struct spdk_nvmf_fc_port *fc_port);
+void nvmf_fc_init_poller_queues(struct spdk_nvmf_fc_hwqp *hwqp);
-int spdk_nvmf_fc_hwqp_port_set_online(struct spdk_nvmf_fc_hwqp *hwqp);
+struct spdk_nvmf_fc_conn *nvmf_fc_hwqp_find_fc_conn(struct spdk_nvmf_fc_hwqp *hwqp,
+ uint64_t conn_id);
-int spdk_nvmf_fc_hwqp_port_set_offline(struct spdk_nvmf_fc_hwqp *hwqp);
+void nvmf_fc_hwqp_reinit_poller_queues(struct spdk_nvmf_fc_hwqp *hwqp, void *queues_curr);
-int spdk_nvmf_fc_rport_set_state(struct spdk_nvmf_fc_remote_port_info *rport,
- enum spdk_nvmf_fc_object_state state);
+struct spdk_nvmf_fc_port *nvmf_fc_port_lookup(uint8_t port_hdl);
-void spdk_nvmf_fc_port_list_add(struct spdk_nvmf_fc_port *fc_port);
+bool nvmf_fc_port_is_offline(struct spdk_nvmf_fc_port *fc_port);
-struct spdk_nvmf_fc_nport *spdk_nvmf_fc_nport_get(uint8_t port_hdl, uint16_t nport_hdl);
+int nvmf_fc_port_set_offline(struct spdk_nvmf_fc_port *fc_port);
-int spdk_nvmf_fc_port_add_nport(struct spdk_nvmf_fc_port *fc_port,
- struct spdk_nvmf_fc_nport *nport);
+bool nvmf_fc_port_is_online(struct spdk_nvmf_fc_port *fc_port);
-uint32_t spdk_nvmf_fc_nport_get_association_count(struct spdk_nvmf_fc_nport *nport);
+int nvmf_fc_port_set_online(struct spdk_nvmf_fc_port *fc_port);
-int spdk_nvmf_fc_port_remove_nport(struct spdk_nvmf_fc_port *fc_port,
- struct spdk_nvmf_fc_nport *nport);
+int nvmf_fc_rport_set_state(struct spdk_nvmf_fc_remote_port_info *rport,
+ enum spdk_nvmf_fc_object_state state);
-uint32_t spdk_nvmf_fc_get_prli_service_params(void);
+void nvmf_fc_port_add(struct spdk_nvmf_fc_port *fc_port);
-bool spdk_nvmf_fc_nport_is_rport_empty(struct spdk_nvmf_fc_nport *nport);
+int nvmf_fc_port_add_nport(struct spdk_nvmf_fc_port *fc_port,
+ struct spdk_nvmf_fc_nport *nport);
-void spdk_nvmf_fc_handle_abts_frame(struct spdk_nvmf_fc_nport *nport,
- uint16_t rpi, uint16_t oxid,
- uint16_t rxid);
+int nvmf_fc_port_remove_nport(struct spdk_nvmf_fc_port *fc_port,
+ struct spdk_nvmf_fc_nport *nport);
-void spdk_nvmf_fc_dump_all_queues(struct spdk_nvmf_fc_port *fc_port,
- struct spdk_nvmf_fc_queue_dump_info *dump_info);
+struct spdk_nvmf_fc_nport *nvmf_fc_nport_find(uint8_t port_hdl, uint16_t nport_hdl);
-void spdk_nvmf_fc_handle_ls_rqst(struct spdk_nvmf_fc_ls_rqst *ls_rqst);
+int nvmf_fc_nport_set_state(struct spdk_nvmf_fc_nport *nport,
+ enum spdk_nvmf_fc_object_state state);
-int spdk_nvmf_fc_xmt_ls_rsp(struct spdk_nvmf_fc_nport *tgtport,
- struct spdk_nvmf_fc_ls_rqst *ls_rqst);
+bool nvmf_fc_nport_add_rem_port(struct spdk_nvmf_fc_nport *nport,
+ struct spdk_nvmf_fc_remote_port_info *rem_port);
-struct spdk_nvmf_fc_nport *spdk_nvmf_bcm_req_fc_nport_get(struct spdk_nvmf_request *req);
+bool nvmf_fc_nport_remove_rem_port(struct spdk_nvmf_fc_nport *nport,
+ struct spdk_nvmf_fc_remote_port_info *rem_port);
-struct spdk_nvmf_fc_association *spdk_nvmf_fc_get_ctrlr_assoc(struct spdk_nvmf_ctrlr *ctrlr);
+bool nvmf_fc_nport_has_no_rport(struct spdk_nvmf_fc_nport *nport);
-bool spdk_nvmf_fc_nport_is_association_empty(struct spdk_nvmf_fc_nport *nport);
+int nvmf_fc_assoc_set_state(struct spdk_nvmf_fc_association *assoc,
+ enum spdk_nvmf_fc_object_state state);
-int spdk_nvmf_fc_xmt_srsr_req(struct spdk_nvmf_fc_hwqp *hwqp,
- struct spdk_nvmf_fc_send_srsr *srsr,
- spdk_nvmf_fc_caller_cb cb, void *cb_args);
+int nvmf_fc_delete_association(struct spdk_nvmf_fc_nport *tgtport,
+ uint64_t assoc_id, bool send_abts, bool backend_initiated,
+ spdk_nvmf_fc_del_assoc_cb del_assoc_cb,
+ void *cb_data);
-uint32_t spdk_nvmf_fc_get_num_nport_ctrlrs_in_subsystem(uint8_t port_hdl, uint16_t nport_hdl,
- struct spdk_nvmf_subsystem *subsys);
+bool nvmf_ctrlr_is_on_nport(uint8_t port_hdl, uint16_t nport_hdl,
+ struct spdk_nvmf_ctrlr *ctrlr);
-bool spdk_nvmf_fc_is_spdk_ctrlr_on_nport(uint8_t port_hdl, uint16_t nport_hdl,
- struct spdk_nvmf_ctrlr *ctrlr);
+void nvmf_fc_assign_queue_to_master_thread(struct spdk_nvmf_fc_hwqp *hwqp);
-int spdk_nvmf_fc_get_ctrlr_init_traddr(char *traddr, struct spdk_nvmf_ctrlr *ctrlr);
+void nvmf_fc_poll_group_add_hwqp(struct spdk_nvmf_fc_hwqp *hwqp);
-uint32_t spdk_nvmf_fc_get_hwqp_id(struct spdk_nvmf_request *req);
+void nvmf_fc_poll_group_remove_hwqp(struct spdk_nvmf_fc_hwqp *hwqp);
-void spdk_nvmf_fc_req_abort(struct spdk_nvmf_fc_request *fc_req,
- bool send_abts, spdk_nvmf_fc_caller_cb cb,
- void *cb_args);
+int nvmf_fc_hwqp_set_online(struct spdk_nvmf_fc_hwqp *hwqp);
-int spdk_nvmf_fc_add_port_listen(void *arg1, void *arg2);
+int nvmf_fc_hwqp_set_offline(struct spdk_nvmf_fc_hwqp *hwqp);
-int spdk_nvmf_fc_remove_port_listen(void *arg1, void *arg2);
+uint32_t nvmf_fc_get_prli_service_params(void);
-void spdk_nvmf_fc_subsys_connect_cb(void *cb_ctx,
- struct spdk_nvmf_request *req);
+void nvmf_fc_handle_abts_frame(struct spdk_nvmf_fc_nport *nport, uint16_t rpi, uint16_t oxid,
+ uint16_t rxid);
-void spdk_nvmf_fc_subsys_disconnect_cb(void *cb_ctx,
- struct spdk_nvmf_qpair *qpair);
+void nvmf_fc_request_abort(struct spdk_nvmf_fc_request *fc_req, bool send_abts,
+ spdk_nvmf_fc_caller_cb cb, void *cb_args);
-uint32_t spdk_nvmf_fc_get_master_lcore(void);
+struct spdk_nvmf_tgt *nvmf_fc_get_tgt(void);
-struct spdk_thread *spdk_nvmf_fc_get_master_thread(void);
+struct spdk_thread *nvmf_fc_get_master_thread(void);
/*
- * These functions are used by low level FC driver
+ * These functions are called by low level FC driver
*/
static inline struct spdk_nvmf_fc_conn *
-spdk_nvmf_fc_get_conn(struct spdk_nvmf_qpair *qpair)
+nvmf_fc_get_conn(struct spdk_nvmf_qpair *qpair)
{
return (struct spdk_nvmf_fc_conn *)
((uintptr_t)qpair - offsetof(struct spdk_nvmf_fc_conn, qpair));
}
static inline uint16_t
-spdk_nvmf_fc_advance_conn_sqhead(struct spdk_nvmf_qpair *qpair)
+nvmf_fc_advance_conn_sqhead(struct spdk_nvmf_qpair *qpair)
{
/* advance sq_head pointer - wrap if needed */
qpair->sq_head = (qpair->sq_head == qpair->sq_head_max) ?
}
static inline bool
-spdk_nvmf_fc_use_send_frame(struct spdk_nvmf_request *req)
+nvmf_fc_use_send_frame(struct spdk_nvmf_request *req)
{
/* For now use for only keepalives. */
if (req->qpair->qid == 0 &&
return false;
}
-enum spdk_nvmf_fc_poller_api_ret spdk_nvmf_fc_poller_api_func(
+enum spdk_nvmf_fc_poller_api_ret nvmf_fc_poller_api_func(
struct spdk_nvmf_fc_hwqp *hwqp,
enum spdk_nvmf_fc_poller_api api,
void *api_args);
-int spdk_nvmf_fc_process_frame(struct spdk_nvmf_fc_hwqp *hwqp, uint32_t buff_idx,
+int nvmf_fc_hwqp_process_frame(struct spdk_nvmf_fc_hwqp *hwqp, uint32_t buff_idx,
struct spdk_nvmf_fc_frame_hdr *frame,
struct spdk_nvmf_fc_buffer_desc *buffer, uint32_t plen);
-void spdk_nvmf_fc_process_pending_req(struct spdk_nvmf_fc_hwqp *hwqp);
-
-void spdk_nvmf_fc_process_pending_ls_rqst(struct spdk_nvmf_fc_hwqp *hwqp);
+void nvmf_fc_hwqp_process_pending_reqs(struct spdk_nvmf_fc_hwqp *hwqp);
-void spdk_nvmf_fc_req_set_state(struct spdk_nvmf_fc_request *fc_req,
- enum spdk_nvmf_fc_request_state state);
+void nvmf_fc_hwqp_process_pending_ls_rqsts(struct spdk_nvmf_fc_hwqp *hwqp);
-void spdk_nvmf_fc_free_req(struct spdk_nvmf_fc_request *fc_req);
+void nvmf_fc_request_set_state(struct spdk_nvmf_fc_request *fc_req,
+ enum spdk_nvmf_fc_request_state state);
-void spdk_nvmf_fc_req_abort_complete(void *arg1);
+char *nvmf_fc_request_get_state_str(int state);
-bool spdk_nvmf_fc_send_ersp_required(struct spdk_nvmf_fc_request *fc_req,
- uint32_t rsp_cnt, uint32_t xfer_len);
+void _nvmf_fc_request_free(struct spdk_nvmf_fc_request *fc_req);
-struct spdk_nvmf_fc_xri *spdk_nvmf_fc_get_xri(struct spdk_nvmf_fc_hwqp *hwqp);
+void nvmf_fc_request_abort_complete(void *arg1);
-int spdk_nvmf_fc_put_xri(struct spdk_nvmf_fc_hwqp *hwqp,
- struct spdk_nvmf_fc_xri *xri);
+bool nvmf_fc_send_ersp_required(struct spdk_nvmf_fc_request *fc_req,
+ uint32_t rsp_cnt, uint32_t xfer_len);
-void spdk_nvmf_fc_release_xri(struct spdk_nvmf_fc_hwqp *hwqp,
- struct spdk_nvmf_fc_xri *xri, bool xb, bool abts);
+int nvmf_fc_handle_rsp(struct spdk_nvmf_fc_request *req);
-int spdk_nvmf_fc_handle_rsp(struct spdk_nvmf_fc_request *req);
#endif