123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154 |
- /* SPDX-License-Identifier: GPL-2.0 */
- #include "iscsi_target_core.h" /* struct iscsi_cmd */
- struct sockaddr_storage;
- struct iscsit_transport {
- #define ISCSIT_TRANSPORT_NAME 16
- char name[ISCSIT_TRANSPORT_NAME];
- int transport_type;
- bool rdma_shutdown;
- int priv_size;
- struct module *owner;
- struct list_head t_node;
- int (*iscsit_setup_np)(struct iscsi_np *, struct sockaddr_storage *);
- int (*iscsit_accept_np)(struct iscsi_np *, struct iscsi_conn *);
- void (*iscsit_free_np)(struct iscsi_np *);
- void (*iscsit_wait_conn)(struct iscsi_conn *);
- void (*iscsit_free_conn)(struct iscsi_conn *);
- int (*iscsit_get_login_rx)(struct iscsi_conn *, struct iscsi_login *);
- int (*iscsit_put_login_tx)(struct iscsi_conn *, struct iscsi_login *, u32);
- int (*iscsit_immediate_queue)(struct iscsi_conn *, struct iscsi_cmd *, int);
- int (*iscsit_response_queue)(struct iscsi_conn *, struct iscsi_cmd *, int);
- int (*iscsit_get_dataout)(struct iscsi_conn *, struct iscsi_cmd *, bool);
- int (*iscsit_queue_data_in)(struct iscsi_conn *, struct iscsi_cmd *);
- int (*iscsit_queue_status)(struct iscsi_conn *, struct iscsi_cmd *);
- void (*iscsit_aborted_task)(struct iscsi_conn *, struct iscsi_cmd *);
- int (*iscsit_xmit_pdu)(struct iscsi_conn *, struct iscsi_cmd *,
- struct iscsi_datain_req *, const void *, u32);
- void (*iscsit_release_cmd)(struct iscsi_conn *, struct iscsi_cmd *);
- void (*iscsit_get_rx_pdu)(struct iscsi_conn *);
- int (*iscsit_validate_params)(struct iscsi_conn *);
- void (*iscsit_get_r2t_ttt)(struct iscsi_conn *, struct iscsi_cmd *,
- struct iscsi_r2t *);
- enum target_prot_op (*iscsit_get_sup_prot_ops)(struct iscsi_conn *);
- };
- static inline void *iscsit_priv_cmd(struct iscsi_cmd *cmd)
- {
- return (void *)(cmd + 1);
- }
- /*
- * From iscsi_target_transport.c
- */
- extern int iscsit_register_transport(struct iscsit_transport *);
- extern void iscsit_unregister_transport(struct iscsit_transport *);
- extern struct iscsit_transport *iscsit_get_transport(int);
- extern void iscsit_put_transport(struct iscsit_transport *);
- /*
- * From iscsi_target.c
- */
- extern int iscsit_setup_scsi_cmd(struct iscsi_conn *, struct iscsi_cmd *,
- unsigned char *);
- extern void iscsit_set_unsoliticed_dataout(struct iscsi_cmd *);
- extern int iscsit_process_scsi_cmd(struct iscsi_conn *, struct iscsi_cmd *,
- struct iscsi_scsi_req *);
- extern int
- __iscsit_check_dataout_hdr(struct iscsi_conn *, void *,
- struct iscsi_cmd *, u32, bool *);
- extern int
- iscsit_check_dataout_hdr(struct iscsi_conn *conn, void *buf,
- struct iscsi_cmd **out_cmd);
- extern int iscsit_check_dataout_payload(struct iscsi_cmd *, struct iscsi_data *,
- bool);
- extern int iscsit_setup_nop_out(struct iscsi_conn *, struct iscsi_cmd *,
- struct iscsi_nopout *);
- extern int iscsit_process_nop_out(struct iscsi_conn *, struct iscsi_cmd *,
- struct iscsi_nopout *);
- extern int iscsit_handle_logout_cmd(struct iscsi_conn *, struct iscsi_cmd *,
- unsigned char *);
- extern int iscsit_handle_task_mgt_cmd(struct iscsi_conn *, struct iscsi_cmd *,
- unsigned char *);
- extern int iscsit_setup_text_cmd(struct iscsi_conn *, struct iscsi_cmd *,
- struct iscsi_text *);
- extern int iscsit_process_text_cmd(struct iscsi_conn *, struct iscsi_cmd *,
- struct iscsi_text *);
- extern void iscsit_build_rsp_pdu(struct iscsi_cmd *, struct iscsi_conn *,
- bool, struct iscsi_scsi_rsp *);
- extern void iscsit_build_nopin_rsp(struct iscsi_cmd *, struct iscsi_conn *,
- struct iscsi_nopin *, bool);
- extern void iscsit_build_task_mgt_rsp(struct iscsi_cmd *, struct iscsi_conn *,
- struct iscsi_tm_rsp *);
- extern int iscsit_build_text_rsp(struct iscsi_cmd *, struct iscsi_conn *,
- struct iscsi_text_rsp *,
- enum iscsit_transport_type);
- extern void iscsit_build_reject(struct iscsi_cmd *, struct iscsi_conn *,
- struct iscsi_reject *);
- extern int iscsit_build_logout_rsp(struct iscsi_cmd *, struct iscsi_conn *,
- struct iscsi_logout_rsp *);
- extern int iscsit_logout_post_handler(struct iscsi_cmd *, struct iscsi_conn *);
- extern int iscsit_queue_rsp(struct iscsi_conn *, struct iscsi_cmd *);
- extern void iscsit_aborted_task(struct iscsi_conn *, struct iscsi_cmd *);
- extern int iscsit_add_reject(struct iscsi_conn *, u8, unsigned char *);
- extern int iscsit_reject_cmd(struct iscsi_cmd *, u8, unsigned char *);
- extern int iscsit_handle_snack(struct iscsi_conn *, unsigned char *);
- extern void iscsit_build_datain_pdu(struct iscsi_cmd *, struct iscsi_conn *,
- struct iscsi_datain *,
- struct iscsi_data_rsp *, bool);
- extern int iscsit_build_r2ts_for_cmd(struct iscsi_conn *, struct iscsi_cmd *,
- bool);
- extern int iscsit_immediate_queue(struct iscsi_conn *, struct iscsi_cmd *, int);
- extern int iscsit_response_queue(struct iscsi_conn *, struct iscsi_cmd *, int);
- /*
- * From iscsi_target_device.c
- */
- extern void iscsit_increment_maxcmdsn(struct iscsi_cmd *, struct iscsi_session *);
- /*
- * From iscsi_target_erl0.c
- */
- extern void iscsit_cause_connection_reinstatement(struct iscsi_conn *, int);
- /*
- * From iscsi_target_erl1.c
- */
- extern void iscsit_stop_dataout_timer(struct iscsi_cmd *);
- /*
- * From iscsi_target_tmr.c
- */
- extern int iscsit_tmr_post_handler(struct iscsi_cmd *, struct iscsi_conn *);
- /*
- * From iscsi_target_util.c
- */
- extern struct iscsi_cmd *iscsit_allocate_cmd(struct iscsi_conn *, int);
- extern int iscsit_sequence_cmd(struct iscsi_conn *, struct iscsi_cmd *,
- unsigned char *, __be32);
- extern void iscsit_release_cmd(struct iscsi_cmd *);
- extern void iscsit_free_cmd(struct iscsi_cmd *, bool);
- extern void iscsit_add_cmd_to_immediate_queue(struct iscsi_cmd *,
- struct iscsi_conn *, u8);
- extern struct iscsi_cmd *
- iscsit_find_cmd_from_itt_or_dump(struct iscsi_conn *conn,
- itt_t init_task_tag, u32 length);
- /*
- * From iscsi_target_nego.c
- */
- extern int iscsi_target_check_login_request(struct iscsi_conn *,
- struct iscsi_login *);
- /*
- * From iscsi_target_login.c
- */
- extern __printf(2, 3) int iscsi_change_param_sprintf(
- struct iscsi_conn *, const char *, ...);
- /*
- * From iscsi_target_parameters.c
- */
- extern struct iscsi_param *iscsi_find_param_from_key(
- char *, struct iscsi_param_list *);
|