Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
66cd9d4e | 2 | #include "iscsi_target_core.h" /* struct iscsit_cmd */ |
8dcf07be BVA |
3 | |
4 | struct sockaddr_storage; | |
3f993063 NB |
5 | |
6 | struct iscsit_transport { | |
7 | #define ISCSIT_TRANSPORT_NAME 16 | |
8 | char name[ISCSIT_TRANSPORT_NAME]; | |
9 | int transport_type; | |
bd027d85 | 10 | bool rdma_shutdown; |
d703ce2f | 11 | int priv_size; |
3f993063 NB |
12 | struct module *owner; |
13 | struct list_head t_node; | |
13a3cf08 | 14 | int (*iscsit_setup_np)(struct iscsi_np *, struct sockaddr_storage *); |
be36d683 | 15 | int (*iscsit_accept_np)(struct iscsi_np *, struct iscsit_conn *); |
3f993063 | 16 | void (*iscsit_free_np)(struct iscsi_np *); |
be36d683 MG |
17 | void (*iscsit_wait_conn)(struct iscsit_conn *); |
18 | void (*iscsit_free_conn)(struct iscsit_conn *); | |
19 | int (*iscsit_get_login_rx)(struct iscsit_conn *, struct iscsi_login *); | |
20 | int (*iscsit_put_login_tx)(struct iscsit_conn *, struct iscsi_login *, u32); | |
21 | int (*iscsit_immediate_queue)(struct iscsit_conn *, struct iscsit_cmd *, int); | |
22 | int (*iscsit_response_queue)(struct iscsit_conn *, struct iscsit_cmd *, int); | |
23 | int (*iscsit_get_dataout)(struct iscsit_conn *, struct iscsit_cmd *, bool); | |
24 | int (*iscsit_queue_data_in)(struct iscsit_conn *, struct iscsit_cmd *); | |
25 | int (*iscsit_queue_status)(struct iscsit_conn *, struct iscsit_cmd *); | |
26 | void (*iscsit_aborted_task)(struct iscsit_conn *, struct iscsit_cmd *); | |
27 | int (*iscsit_xmit_pdu)(struct iscsit_conn *, struct iscsit_cmd *, | |
2854bb23 | 28 | struct iscsi_datain_req *, const void *, u32); |
be36d683 MG |
29 | void (*iscsit_unmap_cmd)(struct iscsit_conn *, struct iscsit_cmd *); |
30 | void (*iscsit_get_rx_pdu)(struct iscsit_conn *); | |
31 | int (*iscsit_validate_params)(struct iscsit_conn *); | |
32 | void (*iscsit_get_r2t_ttt)(struct iscsit_conn *, struct iscsit_cmd *, | |
8567270d | 33 | struct iscsi_r2t *); |
be36d683 | 34 | enum target_prot_op (*iscsit_get_sup_prot_ops)(struct iscsit_conn *); |
3f993063 NB |
35 | }; |
36 | ||
66cd9d4e | 37 | static inline void *iscsit_priv_cmd(struct iscsit_cmd *cmd) |
d703ce2f NB |
38 | { |
39 | return (void *)(cmd + 1); | |
40 | } | |
41 | ||
3f993063 NB |
42 | /* |
43 | * From iscsi_target_transport.c | |
44 | */ | |
45 | ||
a8ac7835 | 46 | extern void iscsit_register_transport(struct iscsit_transport *); |
3f993063 NB |
47 | extern void iscsit_unregister_transport(struct iscsit_transport *); |
48 | extern struct iscsit_transport *iscsit_get_transport(int); | |
49 | extern void iscsit_put_transport(struct iscsit_transport *); | |
50 | ||
51 | /* | |
52 | * From iscsi_target.c | |
53 | */ | |
be36d683 | 54 | extern int iscsit_setup_scsi_cmd(struct iscsit_conn *, struct iscsit_cmd *, |
3f993063 | 55 | unsigned char *); |
66cd9d4e | 56 | extern void iscsit_set_unsolicited_dataout(struct iscsit_cmd *); |
be36d683 | 57 | extern int iscsit_process_scsi_cmd(struct iscsit_conn *, struct iscsit_cmd *, |
3f993063 | 58 | struct iscsi_scsi_req *); |
9a584bf9 | 59 | extern int |
be36d683 | 60 | __iscsit_check_dataout_hdr(struct iscsit_conn *, void *, |
66cd9d4e | 61 | struct iscsit_cmd *, u32, bool *); |
9a584bf9 | 62 | extern int |
be36d683 | 63 | iscsit_check_dataout_hdr(struct iscsit_conn *conn, void *buf, |
66cd9d4e MG |
64 | struct iscsit_cmd **out_cmd); |
65 | extern int iscsit_check_dataout_payload(struct iscsit_cmd *, struct iscsi_data *, | |
3f993063 | 66 | bool); |
be36d683 | 67 | extern int iscsit_setup_nop_out(struct iscsit_conn *, struct iscsit_cmd *, |
778de368 | 68 | struct iscsi_nopout *); |
be36d683 | 69 | extern int iscsit_process_nop_out(struct iscsit_conn *, struct iscsit_cmd *, |
778de368 | 70 | struct iscsi_nopout *); |
be36d683 | 71 | extern int iscsit_handle_logout_cmd(struct iscsit_conn *, struct iscsit_cmd *, |
3f993063 | 72 | unsigned char *); |
be36d683 | 73 | extern int iscsit_handle_task_mgt_cmd(struct iscsit_conn *, struct iscsit_cmd *, |
3f993063 | 74 | unsigned char *); |
be36d683 | 75 | extern int iscsit_setup_text_cmd(struct iscsit_conn *, struct iscsit_cmd *, |
64534aa7 | 76 | struct iscsi_text *); |
be36d683 | 77 | extern int iscsit_process_text_cmd(struct iscsit_conn *, struct iscsit_cmd *, |
64534aa7 | 78 | struct iscsi_text *); |
be36d683 | 79 | extern void iscsit_build_rsp_pdu(struct iscsit_cmd *, struct iscsit_conn *, |
3f993063 | 80 | bool, struct iscsi_scsi_rsp *); |
be36d683 | 81 | extern void iscsit_build_nopin_rsp(struct iscsit_cmd *, struct iscsit_conn *, |
3f993063 | 82 | struct iscsi_nopin *, bool); |
be36d683 | 83 | extern void iscsit_build_task_mgt_rsp(struct iscsit_cmd *, struct iscsit_conn *, |
3f993063 | 84 | struct iscsi_tm_rsp *); |
be36d683 | 85 | extern int iscsit_build_text_rsp(struct iscsit_cmd *, struct iscsit_conn *, |
22c7aaa5 SG |
86 | struct iscsi_text_rsp *, |
87 | enum iscsit_transport_type); | |
be36d683 | 88 | extern void iscsit_build_reject(struct iscsit_cmd *, struct iscsit_conn *, |
3f993063 | 89 | struct iscsi_reject *); |
be36d683 | 90 | extern int iscsit_build_logout_rsp(struct iscsit_cmd *, struct iscsit_conn *, |
3f993063 | 91 | struct iscsi_logout_rsp *); |
be36d683 MG |
92 | extern int iscsit_logout_post_handler(struct iscsit_cmd *, struct iscsit_conn *); |
93 | extern int iscsit_queue_rsp(struct iscsit_conn *, struct iscsit_cmd *); | |
94 | extern void iscsit_aborted_task(struct iscsit_conn *, struct iscsit_cmd *); | |
95 | extern int iscsit_add_reject(struct iscsit_conn *, u8, unsigned char *); | |
66cd9d4e | 96 | extern int iscsit_reject_cmd(struct iscsit_cmd *, u8, unsigned char *); |
be36d683 MG |
97 | extern int iscsit_handle_snack(struct iscsit_conn *, unsigned char *); |
98 | extern void iscsit_build_datain_pdu(struct iscsit_cmd *, struct iscsit_conn *, | |
d2faaefb VP |
99 | struct iscsi_datain *, |
100 | struct iscsi_data_rsp *, bool); | |
be36d683 | 101 | extern int iscsit_build_r2ts_for_cmd(struct iscsit_conn *, struct iscsit_cmd *, |
d2faaefb | 102 | bool); |
be36d683 MG |
103 | extern int iscsit_immediate_queue(struct iscsit_conn *, struct iscsit_cmd *, int); |
104 | extern int iscsit_response_queue(struct iscsit_conn *, struct iscsit_cmd *, int); | |
3f993063 NB |
105 | /* |
106 | * From iscsi_target_device.c | |
107 | */ | |
0873fe44 | 108 | extern void iscsit_increment_maxcmdsn(struct iscsit_cmd *, struct iscsit_session *); |
b2cb9649 NB |
109 | /* |
110 | * From iscsi_target_erl0.c | |
111 | */ | |
be36d683 | 112 | extern void iscsit_cause_connection_reinstatement(struct iscsit_conn *, int); |
3f993063 NB |
113 | /* |
114 | * From iscsi_target_erl1.c | |
115 | */ | |
66cd9d4e | 116 | extern void iscsit_stop_dataout_timer(struct iscsit_cmd *); |
3f993063 NB |
117 | |
118 | /* | |
119 | * From iscsi_target_tmr.c | |
120 | */ | |
be36d683 | 121 | extern int iscsit_tmr_post_handler(struct iscsit_cmd *, struct iscsit_conn *); |
3f993063 NB |
122 | |
123 | /* | |
124 | * From iscsi_target_util.c | |
125 | */ | |
be36d683 MG |
126 | extern struct iscsit_cmd *iscsit_allocate_cmd(struct iscsit_conn *, int); |
127 | extern int iscsit_sequence_cmd(struct iscsit_conn *, struct iscsit_cmd *, | |
561bf158 | 128 | unsigned char *, __be32); |
66cd9d4e MG |
129 | extern void iscsit_release_cmd(struct iscsit_cmd *); |
130 | extern void iscsit_free_cmd(struct iscsit_cmd *, bool); | |
131 | extern void iscsit_add_cmd_to_immediate_queue(struct iscsit_cmd *, | |
be36d683 | 132 | struct iscsit_conn *, u8); |
66cd9d4e | 133 | extern struct iscsit_cmd * |
be36d683 | 134 | iscsit_find_cmd_from_itt_or_dump(struct iscsit_conn *conn, |
9a584bf9 | 135 | itt_t init_task_tag, u32 length); |
d2faaefb VP |
136 | |
137 | /* | |
138 | * From iscsi_target_nego.c | |
139 | */ | |
be36d683 | 140 | extern int iscsi_target_check_login_request(struct iscsit_conn *, |
d2faaefb VP |
141 | struct iscsi_login *); |
142 | ||
143 | /* | |
144 | * From iscsi_target_login.c | |
145 | */ | |
146 | extern __printf(2, 3) int iscsi_change_param_sprintf( | |
be36d683 | 147 | struct iscsit_conn *, const char *, ...); |
d2faaefb VP |
148 | |
149 | /* | |
150 | * From iscsi_target_parameters.c | |
151 | */ | |
152 | extern struct iscsi_param *iscsi_find_param_from_key( | |
153 | char *, struct iscsi_param_list *); |