| /* SPDX-License-Identifier: GPL-2.0 */ |
| #include "iscsi_target_core.h" /* struct iscsit_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 iscsit_conn *); |
| void (*iscsit_free_np)(struct iscsi_np *); |
| void (*iscsit_wait_conn)(struct iscsit_conn *); |
| void (*iscsit_free_conn)(struct iscsit_conn *); |
| int (*iscsit_get_login_rx)(struct iscsit_conn *, struct iscsi_login *); |
| int (*iscsit_put_login_tx)(struct iscsit_conn *, struct iscsi_login *, u32); |
| int (*iscsit_immediate_queue)(struct iscsit_conn *, struct iscsit_cmd *, int); |
| int (*iscsit_response_queue)(struct iscsit_conn *, struct iscsit_cmd *, int); |
| int (*iscsit_get_dataout)(struct iscsit_conn *, struct iscsit_cmd *, bool); |
| int (*iscsit_queue_data_in)(struct iscsit_conn *, struct iscsit_cmd *); |
| int (*iscsit_queue_status)(struct iscsit_conn *, struct iscsit_cmd *); |
| void (*iscsit_aborted_task)(struct iscsit_conn *, struct iscsit_cmd *); |
| int (*iscsit_xmit_pdu)(struct iscsit_conn *, struct iscsit_cmd *, |
| struct iscsi_datain_req *, const void *, u32); |
| void (*iscsit_unmap_cmd)(struct iscsit_conn *, struct iscsit_cmd *); |
| void (*iscsit_get_rx_pdu)(struct iscsit_conn *); |
| int (*iscsit_validate_params)(struct iscsit_conn *); |
| void (*iscsit_get_r2t_ttt)(struct iscsit_conn *, struct iscsit_cmd *, |
| struct iscsi_r2t *); |
| enum target_prot_op (*iscsit_get_sup_prot_ops)(struct iscsit_conn *); |
| }; |
| |
| static inline void *iscsit_priv_cmd(struct iscsit_cmd *cmd) |
| { |
| return (void *)(cmd + 1); |
| } |
| |
| /* |
| * From iscsi_target_transport.c |
| */ |
| |
| extern void 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 iscsit_conn *, struct iscsit_cmd *, |
| unsigned char *); |
| extern void iscsit_set_unsolicited_dataout(struct iscsit_cmd *); |
| extern int iscsit_process_scsi_cmd(struct iscsit_conn *, struct iscsit_cmd *, |
| struct iscsi_scsi_req *); |
| extern int |
| __iscsit_check_dataout_hdr(struct iscsit_conn *, void *, |
| struct iscsit_cmd *, u32, bool *); |
| extern int |
| iscsit_check_dataout_hdr(struct iscsit_conn *conn, void *buf, |
| struct iscsit_cmd **out_cmd); |
| extern int iscsit_check_dataout_payload(struct iscsit_cmd *, struct iscsi_data *, |
| bool); |
| extern int iscsit_setup_nop_out(struct iscsit_conn *, struct iscsit_cmd *, |
| struct iscsi_nopout *); |
| extern int iscsit_process_nop_out(struct iscsit_conn *, struct iscsit_cmd *, |
| struct iscsi_nopout *); |
| extern int iscsit_handle_logout_cmd(struct iscsit_conn *, struct iscsit_cmd *, |
| unsigned char *); |
| extern int iscsit_handle_task_mgt_cmd(struct iscsit_conn *, struct iscsit_cmd *, |
| unsigned char *); |
| extern int iscsit_setup_text_cmd(struct iscsit_conn *, struct iscsit_cmd *, |
| struct iscsi_text *); |
| extern int iscsit_process_text_cmd(struct iscsit_conn *, struct iscsit_cmd *, |
| struct iscsi_text *); |
| extern void iscsit_build_rsp_pdu(struct iscsit_cmd *, struct iscsit_conn *, |
| bool, struct iscsi_scsi_rsp *); |
| extern void iscsit_build_nopin_rsp(struct iscsit_cmd *, struct iscsit_conn *, |
| struct iscsi_nopin *, bool); |
| extern void iscsit_build_task_mgt_rsp(struct iscsit_cmd *, struct iscsit_conn *, |
| struct iscsi_tm_rsp *); |
| extern int iscsit_build_text_rsp(struct iscsit_cmd *, struct iscsit_conn *, |
| struct iscsi_text_rsp *, |
| enum iscsit_transport_type); |
| extern void iscsit_build_reject(struct iscsit_cmd *, struct iscsit_conn *, |
| struct iscsi_reject *); |
| extern int iscsit_build_logout_rsp(struct iscsit_cmd *, struct iscsit_conn *, |
| struct iscsi_logout_rsp *); |
| extern int iscsit_logout_post_handler(struct iscsit_cmd *, struct iscsit_conn *); |
| extern int iscsit_queue_rsp(struct iscsit_conn *, struct iscsit_cmd *); |
| extern void iscsit_aborted_task(struct iscsit_conn *, struct iscsit_cmd *); |
| extern int iscsit_add_reject(struct iscsit_conn *, u8, unsigned char *); |
| extern int iscsit_reject_cmd(struct iscsit_cmd *, u8, unsigned char *); |
| extern int iscsit_handle_snack(struct iscsit_conn *, unsigned char *); |
| extern void iscsit_build_datain_pdu(struct iscsit_cmd *, struct iscsit_conn *, |
| struct iscsi_datain *, |
| struct iscsi_data_rsp *, bool); |
| extern int iscsit_build_r2ts_for_cmd(struct iscsit_conn *, struct iscsit_cmd *, |
| bool); |
| extern int iscsit_immediate_queue(struct iscsit_conn *, struct iscsit_cmd *, int); |
| extern int iscsit_response_queue(struct iscsit_conn *, struct iscsit_cmd *, int); |
| /* |
| * From iscsi_target_device.c |
| */ |
| extern void iscsit_increment_maxcmdsn(struct iscsit_cmd *, struct iscsit_session *); |
| /* |
| * From iscsi_target_erl0.c |
| */ |
| extern void iscsit_cause_connection_reinstatement(struct iscsit_conn *, int); |
| /* |
| * From iscsi_target_erl1.c |
| */ |
| extern void iscsit_stop_dataout_timer(struct iscsit_cmd *); |
| |
| /* |
| * From iscsi_target_tmr.c |
| */ |
| extern int iscsit_tmr_post_handler(struct iscsit_cmd *, struct iscsit_conn *); |
| |
| /* |
| * From iscsi_target_util.c |
| */ |
| extern struct iscsit_cmd *iscsit_allocate_cmd(struct iscsit_conn *, int); |
| extern int iscsit_sequence_cmd(struct iscsit_conn *, struct iscsit_cmd *, |
| unsigned char *, __be32); |
| extern void iscsit_release_cmd(struct iscsit_cmd *); |
| extern void iscsit_free_cmd(struct iscsit_cmd *, bool); |
| extern void iscsit_add_cmd_to_immediate_queue(struct iscsit_cmd *, |
| struct iscsit_conn *, u8); |
| extern struct iscsit_cmd * |
| iscsit_find_cmd_from_itt_or_dump(struct iscsit_conn *conn, |
| itt_t init_task_tag, u32 length); |
| |
| /* |
| * From iscsi_target_nego.c |
| */ |
| extern int iscsi_target_check_login_request(struct iscsit_conn *, |
| struct iscsi_login *); |
| |
| /* |
| * From iscsi_target_login.c |
| */ |
| extern __printf(2, 3) int iscsi_change_param_sprintf( |
| struct iscsit_conn *, const char *, ...); |
| |
| /* |
| * From iscsi_target_parameters.c |
| */ |
| extern struct iscsi_param *iscsi_find_param_from_key( |
| char *, struct iscsi_param_list *); |