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