uct_def.h

#ifndef UCT_DEF_H_
#define UCT_DEF_H_

#include <ucs/config/types.h>
#include <ucs/type/status.h>

#include <stddef.h>
#include <stdint.h>
#include <sys/types.h>


#define UCT_COMPONENT_NAME_MAX     16
#define UCT_TL_NAME_MAX            10
#define UCT_MD_NAME_MAX            16
#define UCT_DEVICE_NAME_MAX        32
#define UCT_PENDING_REQ_PRIV_LEN   40
#define UCT_TAG_PRIV_LEN           32
#define UCT_AM_ID_BITS             5
#define UCT_AM_ID_MAX              UCS_BIT(UCT_AM_ID_BITS)
#define UCT_MEM_HANDLE_NULL        NULL
#define UCT_INVALID_RKEY           ((uintptr_t)(-1))
#define UCT_INLINE_API             static UCS_F_ALWAYS_INLINE


enum uct_am_trace_type {
    UCT_AM_TRACE_TYPE_SEND,
    UCT_AM_TRACE_TYPE_RECV,
    UCT_AM_TRACE_TYPE_SEND_DROP,
    UCT_AM_TRACE_TYPE_RECV_DROP,
    UCT_AM_TRACE_TYPE_LAST
};


enum uct_cb_param_flags {
    UCT_CB_PARAM_FLAG_DESC  = UCS_BIT(0),
    UCT_CB_PARAM_FLAG_FIRST = UCS_BIT(1),
    UCT_CB_PARAM_FLAG_MORE  = UCS_BIT(2)
};

typedef struct uct_component       *uct_component_h;
typedef struct uct_iface           *uct_iface_h;
typedef struct uct_iface_config    uct_iface_config_t;
typedef struct uct_md_config       uct_md_config_t;
typedef struct uct_cm_config       uct_cm_config_t;
typedef struct uct_ep              *uct_ep_h;
typedef void *                     uct_mem_h;
typedef uintptr_t                  uct_rkey_t;
typedef struct uct_md              *uct_md_h;          
typedef struct uct_md_ops          uct_md_ops_t;
typedef void                       *uct_rkey_ctx_h;
typedef struct uct_iface_attr      uct_iface_attr_t;
typedef struct uct_iface_params    uct_iface_params_t;
typedef struct uct_md_attr         uct_md_attr_t;
typedef struct uct_completion      uct_completion_t;
typedef struct uct_pending_req     uct_pending_req_t;
typedef struct uct_worker          *uct_worker_h;
typedef struct uct_md              uct_md_t;
typedef enum uct_am_trace_type     uct_am_trace_type_t;
typedef struct uct_device_addr     uct_device_addr_t;
typedef struct uct_iface_addr      uct_iface_addr_t;
typedef struct uct_ep_addr         uct_ep_addr_t;
typedef struct uct_ep_params       uct_ep_params_t;
typedef struct uct_cm_attr         uct_cm_attr_t;
typedef struct uct_cm              uct_cm_t;
typedef uct_cm_t                   *uct_cm_h;
typedef struct uct_listener_attr   uct_listener_attr_t;
typedef struct uct_listener        *uct_listener_h;
typedef struct uct_listener_params uct_listener_params_t;
typedef struct uct_tag_context     uct_tag_context_t;
typedef uint64_t                   uct_tag_t;  /* tag type - 64 bit */
typedef int                        uct_worker_cb_id_t;
typedef void*                      uct_conn_request_h;

typedef struct uct_iov {
    void     *buffer;   
    size_t    length;   
    uct_mem_h memh;     
    size_t    stride;   
    unsigned  count;    
} uct_iov_t;


enum uct_cm_remote_data_field {
    UCT_CM_REMOTE_DATA_FIELD_DEV_ADDR              = UCS_BIT(0),

    UCT_CM_REMOTE_DATA_FIELD_DEV_ADDR_LENGTH       = UCS_BIT(1),

    UCT_CM_REMOTE_DATA_FIELD_CONN_PRIV_DATA        = UCS_BIT(2),

    UCT_CM_REMOTE_DATA_FIELD_CONN_PRIV_DATA_LENGTH = UCS_BIT(3)
};


typedef struct uct_cm_remote_data {
    uint64_t                field_mask;

    const uct_device_addr_t *dev_addr;

    size_t                  dev_addr_length;

    const void              *conn_priv_data;

    size_t                  conn_priv_data_length;
} uct_cm_remote_data_t;


typedef ucs_status_t (*uct_am_callback_t)(void *arg, void *data, size_t length,
                                          unsigned flags);


typedef void (*uct_am_tracer_t)(void *arg, uct_am_trace_type_t type, uint8_t id,
                                const void *data, size_t length, char *buffer,
                                size_t max);


typedef void (*uct_completion_callback_t)(uct_completion_t *self,
                                          ucs_status_t status);


typedef ucs_status_t (*uct_pending_callback_t)(uct_pending_req_t *self);


typedef ucs_status_t (*uct_error_handler_t)(void *arg, uct_ep_h ep,
                                            ucs_status_t status);


typedef void (*uct_pending_purge_callback_t)(uct_pending_req_t *self,
                                             void *arg);

typedef size_t (*uct_pack_callback_t)(void *dest, void *arg);


typedef void (*uct_unpack_callback_t)(void *arg, const void *data, size_t length);


typedef void
(*uct_sockaddr_conn_request_callback_t)(uct_iface_h iface, void *arg,
                                        uct_conn_request_h conn_request,
                                        const void *conn_priv_data,
                                        size_t length);


typedef void
(*uct_listener_conn_request_callback_t)(uct_listener_h listener, void *arg,
                                        const char *local_dev_name,
                                        uct_conn_request_h conn_request,
                                        const uct_cm_remote_data_t *remote_data);


typedef void (*uct_ep_server_connect_cb_t)(uct_ep_h ep, void *arg,
                                           ucs_status_t status);


typedef void (*uct_ep_client_connect_cb_t)(uct_ep_h ep, void *arg,
                                           const uct_cm_remote_data_t *remote_data,
                                           ucs_status_t status);


typedef void (*uct_ep_disconnect_cb_t)(uct_ep_h ep, void *arg);


typedef ssize_t (*uct_sockaddr_priv_pack_callback_t)(void *arg,
                                                     const char *dev_name,
                                                     void *priv_data);


typedef ucs_status_t (*uct_tag_unexp_eager_cb_t)(void *arg, void *data,
                                                 size_t length, unsigned flags,
                                                 uct_tag_t stag, uint64_t imm,
                                                 void **context);


typedef ucs_status_t (*uct_tag_unexp_rndv_cb_t)(void *arg, unsigned flags,
                                                uint64_t stag, const void *header,
                                                unsigned header_length,
                                                uint64_t remote_addr, size_t length,
                                                const void *rkey_buf);


#endif