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at v4.11-rc8 152 lines 6.1 kB view raw
1#include "iscsi_target_core.h" /* struct iscsi_cmd */ 2 3struct sockaddr_storage; 4 5struct iscsit_transport { 6#define ISCSIT_TRANSPORT_NAME 16 7 char name[ISCSIT_TRANSPORT_NAME]; 8 int transport_type; 9 bool rdma_shutdown; 10 int priv_size; 11 struct module *owner; 12 struct list_head t_node; 13 int (*iscsit_setup_np)(struct iscsi_np *, struct sockaddr_storage *); 14 int (*iscsit_accept_np)(struct iscsi_np *, struct iscsi_conn *); 15 void (*iscsit_free_np)(struct iscsi_np *); 16 void (*iscsit_wait_conn)(struct iscsi_conn *); 17 void (*iscsit_free_conn)(struct iscsi_conn *); 18 int (*iscsit_get_login_rx)(struct iscsi_conn *, struct iscsi_login *); 19 int (*iscsit_put_login_tx)(struct iscsi_conn *, struct iscsi_login *, u32); 20 int (*iscsit_immediate_queue)(struct iscsi_conn *, struct iscsi_cmd *, int); 21 int (*iscsit_response_queue)(struct iscsi_conn *, struct iscsi_cmd *, int); 22 int (*iscsit_get_dataout)(struct iscsi_conn *, struct iscsi_cmd *, bool); 23 int (*iscsit_queue_data_in)(struct iscsi_conn *, struct iscsi_cmd *); 24 int (*iscsit_queue_status)(struct iscsi_conn *, struct iscsi_cmd *); 25 void (*iscsit_aborted_task)(struct iscsi_conn *, struct iscsi_cmd *); 26 int (*iscsit_xmit_pdu)(struct iscsi_conn *, struct iscsi_cmd *, 27 struct iscsi_datain_req *, const void *, u32); 28 void (*iscsit_release_cmd)(struct iscsi_conn *, struct iscsi_cmd *); 29 void (*iscsit_get_rx_pdu)(struct iscsi_conn *); 30 int (*iscsit_validate_params)(struct iscsi_conn *); 31 void (*iscsit_get_r2t_ttt)(struct iscsi_conn *, struct iscsi_cmd *, 32 struct iscsi_r2t *); 33 enum target_prot_op (*iscsit_get_sup_prot_ops)(struct iscsi_conn *); 34}; 35 36static inline void *iscsit_priv_cmd(struct iscsi_cmd *cmd) 37{ 38 return (void *)(cmd + 1); 39} 40 41/* 42 * From iscsi_target_transport.c 43 */ 44 45extern int iscsit_register_transport(struct iscsit_transport *); 46extern void iscsit_unregister_transport(struct iscsit_transport *); 47extern struct iscsit_transport *iscsit_get_transport(int); 48extern void iscsit_put_transport(struct iscsit_transport *); 49 50/* 51 * From iscsi_target.c 52 */ 53extern int iscsit_setup_scsi_cmd(struct iscsi_conn *, struct iscsi_cmd *, 54 unsigned char *); 55extern void iscsit_set_unsoliticed_dataout(struct iscsi_cmd *); 56extern int iscsit_process_scsi_cmd(struct iscsi_conn *, struct iscsi_cmd *, 57 struct iscsi_scsi_req *); 58extern int 59__iscsit_check_dataout_hdr(struct iscsi_conn *, void *, 60 struct iscsi_cmd *, u32, bool *); 61extern int 62iscsit_check_dataout_hdr(struct iscsi_conn *conn, void *buf, 63 struct iscsi_cmd **out_cmd); 64extern int iscsit_check_dataout_payload(struct iscsi_cmd *, struct iscsi_data *, 65 bool); 66extern int iscsit_setup_nop_out(struct iscsi_conn *, struct iscsi_cmd *, 67 struct iscsi_nopout *); 68extern int iscsit_process_nop_out(struct iscsi_conn *, struct iscsi_cmd *, 69 struct iscsi_nopout *); 70extern int iscsit_handle_logout_cmd(struct iscsi_conn *, struct iscsi_cmd *, 71 unsigned char *); 72extern int iscsit_handle_task_mgt_cmd(struct iscsi_conn *, struct iscsi_cmd *, 73 unsigned char *); 74extern int iscsit_setup_text_cmd(struct iscsi_conn *, struct iscsi_cmd *, 75 struct iscsi_text *); 76extern int iscsit_process_text_cmd(struct iscsi_conn *, struct iscsi_cmd *, 77 struct iscsi_text *); 78extern void iscsit_build_rsp_pdu(struct iscsi_cmd *, struct iscsi_conn *, 79 bool, struct iscsi_scsi_rsp *); 80extern void iscsit_build_nopin_rsp(struct iscsi_cmd *, struct iscsi_conn *, 81 struct iscsi_nopin *, bool); 82extern void iscsit_build_task_mgt_rsp(struct iscsi_cmd *, struct iscsi_conn *, 83 struct iscsi_tm_rsp *); 84extern int iscsit_build_text_rsp(struct iscsi_cmd *, struct iscsi_conn *, 85 struct iscsi_text_rsp *, 86 enum iscsit_transport_type); 87extern void iscsit_build_reject(struct iscsi_cmd *, struct iscsi_conn *, 88 struct iscsi_reject *); 89extern int iscsit_build_logout_rsp(struct iscsi_cmd *, struct iscsi_conn *, 90 struct iscsi_logout_rsp *); 91extern int iscsit_logout_post_handler(struct iscsi_cmd *, struct iscsi_conn *); 92extern int iscsit_queue_rsp(struct iscsi_conn *, struct iscsi_cmd *); 93extern void iscsit_aborted_task(struct iscsi_conn *, struct iscsi_cmd *); 94extern int iscsit_add_reject(struct iscsi_conn *, u8, unsigned char *); 95extern int iscsit_reject_cmd(struct iscsi_cmd *, u8, unsigned char *); 96extern int iscsit_handle_snack(struct iscsi_conn *, unsigned char *); 97extern void iscsit_build_datain_pdu(struct iscsi_cmd *, struct iscsi_conn *, 98 struct iscsi_datain *, 99 struct iscsi_data_rsp *, bool); 100extern int iscsit_build_r2ts_for_cmd(struct iscsi_conn *, struct iscsi_cmd *, 101 bool); 102extern int iscsit_immediate_queue(struct iscsi_conn *, struct iscsi_cmd *, int); 103extern int iscsit_response_queue(struct iscsi_conn *, struct iscsi_cmd *, int); 104/* 105 * From iscsi_target_device.c 106 */ 107extern void iscsit_increment_maxcmdsn(struct iscsi_cmd *, struct iscsi_session *); 108/* 109 * From iscsi_target_erl0.c 110 */ 111extern void iscsit_cause_connection_reinstatement(struct iscsi_conn *, int); 112/* 113 * From iscsi_target_erl1.c 114 */ 115extern void iscsit_stop_dataout_timer(struct iscsi_cmd *); 116 117/* 118 * From iscsi_target_tmr.c 119 */ 120extern int iscsit_tmr_post_handler(struct iscsi_cmd *, struct iscsi_conn *); 121 122/* 123 * From iscsi_target_util.c 124 */ 125extern struct iscsi_cmd *iscsit_allocate_cmd(struct iscsi_conn *, int); 126extern int iscsit_sequence_cmd(struct iscsi_conn *, struct iscsi_cmd *, 127 unsigned char *, __be32); 128extern void iscsit_release_cmd(struct iscsi_cmd *); 129extern void iscsit_free_cmd(struct iscsi_cmd *, bool); 130extern void iscsit_add_cmd_to_immediate_queue(struct iscsi_cmd *, 131 struct iscsi_conn *, u8); 132extern struct iscsi_cmd * 133iscsit_find_cmd_from_itt_or_dump(struct iscsi_conn *conn, 134 itt_t init_task_tag, u32 length); 135 136/* 137 * From iscsi_target_nego.c 138 */ 139extern int iscsi_target_check_login_request(struct iscsi_conn *, 140 struct iscsi_login *); 141 142/* 143 * From iscsi_target_login.c 144 */ 145extern __printf(2, 3) int iscsi_change_param_sprintf( 146 struct iscsi_conn *, const char *, ...); 147 148/* 149 * From iscsi_target_parameters.c 150 */ 151extern struct iscsi_param *iscsi_find_param_from_key( 152 char *, struct iscsi_param_list *);