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gerrit-public.fairphone.software / kernel / msm-4.9 / 10b52a49ac62cd8cedc08c50178dc6fbb8925b87 / . / include / target / iscsi / iscsi_transport.h
blob: 40ac7cd801505db68a979a4fc4a22a6eb71019be [file] [log] [blame]
Nicholas Bellinger3f993062013-03-06 21:53:26 -0800[diff] [blame]1#include <linux/module.h>
2#include <linux/list.h>
Sagi Grimberg67f091f2015-01-07 14:57:31 +0200[diff] [blame]3#include "iscsi_target_core.h"
Nicholas Bellinger3f993062013-03-06 21:53:26 -0800[diff] [blame]4
5struct iscsit_transport {
6#define ISCSIT_TRANSPORT_NAME 16
7 char name[ISCSIT_TRANSPORT_NAME];
8 int transport_type;
Nicholas Bellingerbd027d82016-05-14 22:23:34 -0700[diff] [blame]9 bool rdma_shutdown;
Nicholas Bellingerd703ce22013-08-17 14:27:56 -0700[diff] [blame]10 int priv_size;
Nicholas Bellinger3f993062013-03-06 21:53:26 -0800[diff] [blame]11 struct module *owner;
12 struct list_head t_node;
Andy Grover13a3cf02015-08-24 10:26:06 -0700[diff] [blame]13 int (*iscsit_setup_np)(struct iscsi_np *, struct sockaddr_storage *);
Nicholas Bellinger3f993062013-03-06 21:53:26 -0800[diff] [blame]14 int (*iscsit_accept_np)(struct iscsi_np *, struct iscsi_conn *);
15 void (*iscsit_free_np)(struct iscsi_np *);
Nicholas Bellingerdefd8842014-02-03 12:54:39 -0800[diff] [blame]16 void (*iscsit_wait_conn)(struct iscsi_conn *);
Nicholas Bellinger3f993062013-03-06 21:53:26 -0800[diff] [blame]17 void (*iscsit_free_conn)(struct iscsi_conn *);
Nicholas Bellinger3f993062013-03-06 21:53:26 -0800[diff] [blame]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 *);
Nicholas Bellinger131e6ab2014-03-22 14:55:56 -0700[diff] [blame]25 void (*iscsit_aborted_task)(struct iscsi_conn *, struct iscsi_cmd *);
Varun Prakash2854bb22016-04-20 00:00:08 +0530[diff] [blame]26 int (*iscsit_xmit_pdu)(struct iscsi_conn *, struct iscsi_cmd *,
27 struct iscsi_datain_req *, const void *, u32);
Varun Prakash7ec811a2016-04-20 00:00:09 +0530[diff] [blame]28 void (*iscsit_release_cmd)(struct iscsi_conn *, struct iscsi_cmd *);
Varun Prakash187e84f2016-04-20 00:00:10 +0530[diff] [blame]29 void (*iscsit_get_rx_pdu)(struct iscsi_conn *);
Varun Prakash42bc3e52016-04-20 00:00:12 +0530[diff] [blame]30 int (*iscsit_validate_params)(struct iscsi_conn *);
Varun Prakash85672702016-04-20 00:00:13 +0530[diff] [blame]31 void (*iscsit_get_r2t_ttt)(struct iscsi_conn *, struct iscsi_cmd *,
32 struct iscsi_r2t *);
Nicholas Bellingere70beee2014-04-02 12:52:38 -0700[diff] [blame]33 enum target_prot_op (*iscsit_get_sup_prot_ops)(struct iscsi_conn *);
Nicholas Bellinger3f993062013-03-06 21:53:26 -0800[diff] [blame]34};
35
Nicholas Bellingerd703ce22013-08-17 14:27:56 -0700[diff] [blame]36static inline void *iscsit_priv_cmd(struct iscsi_cmd *cmd)
37{
38 return (void *)(cmd + 1);
39}
40
Nicholas Bellinger3f993062013-03-06 21:53:26 -0800[diff] [blame]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 */
Nicholas Bellinger3f993062013-03-06 21:53:26 -0800[diff] [blame]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 iscsit_check_dataout_hdr(struct iscsi_conn *, unsigned char *,
59 struct iscsi_cmd **);
60extern int iscsit_check_dataout_payload(struct iscsi_cmd *, struct iscsi_data *,
61 bool);
Nicholas Bellinger778de362013-06-14 16:07:47 -0700[diff] [blame]62extern int iscsit_setup_nop_out(struct iscsi_conn *, struct iscsi_cmd *,
63 struct iscsi_nopout *);
64extern int iscsit_process_nop_out(struct iscsi_conn *, struct iscsi_cmd *,
65 struct iscsi_nopout *);
Nicholas Bellinger3f993062013-03-06 21:53:26 -0800[diff] [blame]66extern int iscsit_handle_logout_cmd(struct iscsi_conn *, struct iscsi_cmd *,
67 unsigned char *);
68extern int iscsit_handle_task_mgt_cmd(struct iscsi_conn *, struct iscsi_cmd *,
69 unsigned char *);
Nicholas Bellinger64534aa2013-06-14 16:46:16 -0700[diff] [blame]70extern int iscsit_setup_text_cmd(struct iscsi_conn *, struct iscsi_cmd *,
71 struct iscsi_text *);
72extern int iscsit_process_text_cmd(struct iscsi_conn *, struct iscsi_cmd *,
73 struct iscsi_text *);
Nicholas Bellinger3f993062013-03-06 21:53:26 -0800[diff] [blame]74extern void iscsit_build_rsp_pdu(struct iscsi_cmd *, struct iscsi_conn *,
75 bool, struct iscsi_scsi_rsp *);
76extern void iscsit_build_nopin_rsp(struct iscsi_cmd *, struct iscsi_conn *,
77 struct iscsi_nopin *, bool);
78extern void iscsit_build_task_mgt_rsp(struct iscsi_cmd *, struct iscsi_conn *,
79 struct iscsi_tm_rsp *);
Nicholas Bellinger889c8a62013-06-14 18:49:55 -0700[diff] [blame]80extern int iscsit_build_text_rsp(struct iscsi_cmd *, struct iscsi_conn *,
Sagi Grimberg22c7aaa2014-06-10 18:27:59 +0300[diff] [blame]81 struct iscsi_text_rsp *,
82 enum iscsit_transport_type);
Nicholas Bellinger3f993062013-03-06 21:53:26 -0800[diff] [blame]83extern void iscsit_build_reject(struct iscsi_cmd *, struct iscsi_conn *,
84 struct iscsi_reject *);
85extern int iscsit_build_logout_rsp(struct iscsi_cmd *, struct iscsi_conn *,
86 struct iscsi_logout_rsp *);
87extern int iscsit_logout_post_handler(struct iscsi_cmd *, struct iscsi_conn *);
Varun Prakashd2faaef2016-04-20 00:00:19 +0530[diff] [blame]88extern int iscsit_queue_rsp(struct iscsi_conn *, struct iscsi_cmd *);
89extern void iscsit_aborted_task(struct iscsi_conn *, struct iscsi_cmd *);
90extern int iscsit_add_reject(struct iscsi_conn *, u8, unsigned char *);
91extern int iscsit_reject_cmd(struct iscsi_cmd *, u8, unsigned char *);
92extern int iscsit_handle_snack(struct iscsi_conn *, unsigned char *);
93extern void iscsit_build_datain_pdu(struct iscsi_cmd *, struct iscsi_conn *,
94 struct iscsi_datain *,
95 struct iscsi_data_rsp *, bool);
96extern int iscsit_build_r2ts_for_cmd(struct iscsi_conn *, struct iscsi_cmd *,
97 bool);
98extern int iscsit_immediate_queue(struct iscsi_conn *, struct iscsi_cmd *, int);
99extern int iscsit_response_queue(struct iscsi_conn *, struct iscsi_cmd *, int);
Nicholas Bellinger3f993062013-03-06 21:53:26 -0800[diff] [blame]100/*
101 * From iscsi_target_device.c
102 */
103extern void iscsit_increment_maxcmdsn(struct iscsi_cmd *, struct iscsi_session *);
104/*
Nicholas Bellingerb2cb9642013-07-03 03:05:37 -0700[diff] [blame]105 * From iscsi_target_erl0.c
106 */
107extern void iscsit_cause_connection_reinstatement(struct iscsi_conn *, int);
108/*
Nicholas Bellinger3f993062013-03-06 21:53:26 -0800[diff] [blame]109 * From iscsi_target_erl1.c
110 */
111extern void iscsit_stop_dataout_timer(struct iscsi_cmd *);
112
113/*
114 * From iscsi_target_tmr.c
115 */
116extern int iscsit_tmr_post_handler(struct iscsi_cmd *, struct iscsi_conn *);
117
118/*
119 * From iscsi_target_util.c
120 */
Nicholas Bellinger676687c2014-01-20 03:36:44 +0000[diff] [blame]121extern struct iscsi_cmd *iscsit_allocate_cmd(struct iscsi_conn *, int);
Nicholas Bellinger561bf152013-07-03 03:58:58 -0700[diff] [blame]122extern int iscsit_sequence_cmd(struct iscsi_conn *, struct iscsi_cmd *,
123 unsigned char *, __be32);
Nicholas Bellingerd703ce22013-08-17 14:27:56 -0700[diff] [blame]124extern void iscsit_release_cmd(struct iscsi_cmd *);
Varun Prakashd2faaef2016-04-20 00:00:19 +0530[diff] [blame]125extern void iscsit_free_cmd(struct iscsi_cmd *, bool);
126extern void iscsit_add_cmd_to_immediate_queue(struct iscsi_cmd *,
127 struct iscsi_conn *, u8);
128
129/*
130 * From iscsi_target_nego.c
131 */
132extern int iscsi_target_check_login_request(struct iscsi_conn *,
133 struct iscsi_login *);
134
135/*
136 * From iscsi_target_login.c
137 */
138extern __printf(2, 3) int iscsi_change_param_sprintf(
139 struct iscsi_conn *, const char *, ...);
140
141/*
142 * From iscsi_target_parameters.c
143 */
144extern struct iscsi_param *iscsi_find_param_from_key(
145 char *, struct iscsi_param_list *);