diff options
Diffstat (limited to 'include/scsi/scsi_transport_iscsi.h')
| -rw-r--r-- | include/scsi/scsi_transport_iscsi.h | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index b684426a5900..39e833260bd0 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h | |||
| @@ -34,6 +34,7 @@ struct iscsi_cls_conn; | |||
| 34 | struct iscsi_conn; | 34 | struct iscsi_conn; |
| 35 | struct iscsi_cmd_task; | 35 | struct iscsi_cmd_task; |
| 36 | struct iscsi_mgmt_task; | 36 | struct iscsi_mgmt_task; |
| 37 | struct sockaddr; | ||
| 37 | 38 | ||
| 38 | /** | 39 | /** |
| 39 | * struct iscsi_transport - iSCSI Transport template | 40 | * struct iscsi_transport - iSCSI Transport template |
| @@ -46,13 +47,16 @@ struct iscsi_mgmt_task; | |||
| 46 | * @bind_conn: associate this connection with existing iSCSI session | 47 | * @bind_conn: associate this connection with existing iSCSI session |
| 47 | * and specified transport descriptor | 48 | * and specified transport descriptor |
| 48 | * @destroy_conn: destroy inactive iSCSI connection | 49 | * @destroy_conn: destroy inactive iSCSI connection |
| 49 | * @set_param: set iSCSI Data-Path operational parameter | 50 | * @set_param: set iSCSI parameter. Return 0 on success, -ENODATA |
| 51 | * when param is not supported, and a -Exx value on other | ||
| 52 | * error. | ||
| 53 | * @get_param get iSCSI parameter. Must return number of bytes | ||
| 54 | * copied to buffer on success, -ENODATA when param | ||
| 55 | * is not supported, and a -Exx value on other error | ||
| 50 | * @start_conn: set connection to be operational | 56 | * @start_conn: set connection to be operational |
| 51 | * @stop_conn: suspend/recover/terminate connection | 57 | * @stop_conn: suspend/recover/terminate connection |
| 52 | * @send_pdu: send iSCSI PDU, Login, Logout, NOP-Out, Reject, Text. | 58 | * @send_pdu: send iSCSI PDU, Login, Logout, NOP-Out, Reject, Text. |
| 53 | * @session_recovery_timedout: notify LLD a block during recovery timed out | 59 | * @session_recovery_timedout: notify LLD a block during recovery timed out |
| 54 | * @suspend_conn_recv: susepend the recv side of the connection | ||
| 55 | * @termincate_conn: destroy socket connection. Called with mutex lock. | ||
| 56 | * @init_cmd_task: Initialize a iscsi_cmd_task and any internal structs. | 60 | * @init_cmd_task: Initialize a iscsi_cmd_task and any internal structs. |
| 57 | * Called from queuecommand with session lock held. | 61 | * Called from queuecommand with session lock held. |
| 58 | * @init_mgmt_task: Initialize a iscsi_mgmt_task and any internal structs. | 62 | * @init_mgmt_task: Initialize a iscsi_mgmt_task and any internal structs. |
| @@ -97,21 +101,15 @@ struct iscsi_transport { | |||
| 97 | void (*stop_conn) (struct iscsi_cls_conn *conn, int flag); | 101 | void (*stop_conn) (struct iscsi_cls_conn *conn, int flag); |
| 98 | void (*destroy_conn) (struct iscsi_cls_conn *conn); | 102 | void (*destroy_conn) (struct iscsi_cls_conn *conn); |
| 99 | int (*set_param) (struct iscsi_cls_conn *conn, enum iscsi_param param, | 103 | int (*set_param) (struct iscsi_cls_conn *conn, enum iscsi_param param, |
| 100 | uint32_t value); | 104 | char *buf, int buflen); |
| 101 | int (*get_conn_param) (struct iscsi_cls_conn *conn, | 105 | int (*get_conn_param) (struct iscsi_cls_conn *conn, |
| 102 | enum iscsi_param param, uint32_t *value); | 106 | enum iscsi_param param, char *buf); |
| 103 | int (*get_session_param) (struct iscsi_cls_session *session, | 107 | int (*get_session_param) (struct iscsi_cls_session *session, |
| 104 | enum iscsi_param param, uint32_t *value); | 108 | enum iscsi_param param, char *buf); |
| 105 | int (*get_conn_str_param) (struct iscsi_cls_conn *conn, | ||
| 106 | enum iscsi_param param, char *buf); | ||
| 107 | int (*get_session_str_param) (struct iscsi_cls_session *session, | ||
| 108 | enum iscsi_param param, char *buf); | ||
| 109 | int (*send_pdu) (struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr, | 109 | int (*send_pdu) (struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr, |
| 110 | char *data, uint32_t data_size); | 110 | char *data, uint32_t data_size); |
| 111 | void (*get_stats) (struct iscsi_cls_conn *conn, | 111 | void (*get_stats) (struct iscsi_cls_conn *conn, |
| 112 | struct iscsi_stats *stats); | 112 | struct iscsi_stats *stats); |
| 113 | void (*suspend_conn_recv) (struct iscsi_conn *conn); | ||
| 114 | void (*terminate_conn) (struct iscsi_conn *conn); | ||
| 115 | void (*init_cmd_task) (struct iscsi_cmd_task *ctask); | 113 | void (*init_cmd_task) (struct iscsi_cmd_task *ctask); |
| 116 | void (*init_mgmt_task) (struct iscsi_conn *conn, | 114 | void (*init_mgmt_task) (struct iscsi_conn *conn, |
| 117 | struct iscsi_mgmt_task *mtask, | 115 | struct iscsi_mgmt_task *mtask, |
| @@ -127,6 +125,8 @@ struct iscsi_transport { | |||
| 127 | uint64_t *ep_handle); | 125 | uint64_t *ep_handle); |
| 128 | int (*ep_poll) (uint64_t ep_handle, int timeout_ms); | 126 | int (*ep_poll) (uint64_t ep_handle, int timeout_ms); |
| 129 | void (*ep_disconnect) (uint64_t ep_handle); | 127 | void (*ep_disconnect) (uint64_t ep_handle); |
| 128 | int (*tgt_dscvr) (enum iscsi_tgt_dscvr type, uint32_t host_no, | ||
| 129 | uint32_t enable, struct sockaddr *dst_addr); | ||
| 130 | }; | 130 | }; |
| 131 | 131 | ||
| 132 | /* | 132 | /* |
| @@ -155,13 +155,6 @@ struct iscsi_cls_conn { | |||
| 155 | struct iscsi_transport *transport; | 155 | struct iscsi_transport *transport; |
| 156 | uint32_t cid; /* connection id */ | 156 | uint32_t cid; /* connection id */ |
| 157 | 157 | ||
| 158 | /* portal/group values we got during discovery */ | ||
| 159 | char *persistent_address; | ||
| 160 | int persistent_port; | ||
| 161 | /* portal/group values we are currently using */ | ||
| 162 | char *address; | ||
| 163 | int port; | ||
| 164 | |||
| 165 | int active; /* must be accessed with the connlock */ | 158 | int active; /* must be accessed with the connlock */ |
| 166 | struct device dev; /* sysfs transport/container device */ | 159 | struct device dev; /* sysfs transport/container device */ |
| 167 | struct mempool_zone *z_error; | 160 | struct mempool_zone *z_error; |
| @@ -185,16 +178,11 @@ struct iscsi_cls_session { | |||
| 185 | struct list_head host_list; | 178 | struct list_head host_list; |
| 186 | struct iscsi_transport *transport; | 179 | struct iscsi_transport *transport; |
| 187 | 180 | ||
| 188 | /* iSCSI values used as unique id by userspace. */ | ||
| 189 | char *targetname; | ||
| 190 | int tpgt; | ||
| 191 | |||
| 192 | /* recovery fields */ | 181 | /* recovery fields */ |
| 193 | int recovery_tmo; | 182 | int recovery_tmo; |
| 194 | struct work_struct recovery_work; | 183 | struct work_struct recovery_work; |
| 195 | 184 | ||
| 196 | int target_id; | 185 | int target_id; |
| 197 | int channel; | ||
| 198 | 186 | ||
| 199 | int sid; /* session id */ | 187 | int sid; /* session id */ |
| 200 | void *dd_data; /* LLD private data */ | 188 | void *dd_data; /* LLD private data */ |
| @@ -207,8 +195,10 @@ struct iscsi_cls_session { | |||
| 207 | #define iscsi_session_to_shost(_session) \ | 195 | #define iscsi_session_to_shost(_session) \ |
| 208 | dev_to_shost(_session->dev.parent) | 196 | dev_to_shost(_session->dev.parent) |
| 209 | 197 | ||
| 198 | #define starget_to_session(_stgt) \ | ||
| 199 | iscsi_dev_to_session(_stgt->dev.parent) | ||
| 200 | |||
| 210 | struct iscsi_host { | 201 | struct iscsi_host { |
| 211 | int next_target_id; | ||
| 212 | struct list_head sessions; | 202 | struct list_head sessions; |
| 213 | struct mutex mutex; | 203 | struct mutex mutex; |
| 214 | }; | 204 | }; |
| @@ -216,8 +206,17 @@ struct iscsi_host { | |||
| 216 | /* | 206 | /* |
| 217 | * session and connection functions that can be used by HW iSCSI LLDs | 207 | * session and connection functions that can be used by HW iSCSI LLDs |
| 218 | */ | 208 | */ |
| 209 | extern struct iscsi_cls_session *iscsi_alloc_session(struct Scsi_Host *shost, | ||
| 210 | struct iscsi_transport *transport); | ||
| 211 | extern int iscsi_add_session(struct iscsi_cls_session *session, | ||
| 212 | unsigned int target_id); | ||
| 213 | extern int iscsi_if_create_session_done(struct iscsi_cls_conn *conn); | ||
| 214 | extern int iscsi_if_destroy_session_done(struct iscsi_cls_conn *conn); | ||
| 219 | extern struct iscsi_cls_session *iscsi_create_session(struct Scsi_Host *shost, | 215 | extern struct iscsi_cls_session *iscsi_create_session(struct Scsi_Host *shost, |
| 220 | struct iscsi_transport *t, int channel); | 216 | struct iscsi_transport *t, |
| 217 | unsigned int target_id); | ||
| 218 | extern void iscsi_remove_session(struct iscsi_cls_session *session); | ||
| 219 | extern void iscsi_free_session(struct iscsi_cls_session *session); | ||
| 221 | extern int iscsi_destroy_session(struct iscsi_cls_session *session); | 220 | extern int iscsi_destroy_session(struct iscsi_cls_session *session); |
| 222 | extern struct iscsi_cls_conn *iscsi_create_conn(struct iscsi_cls_session *sess, | 221 | extern struct iscsi_cls_conn *iscsi_create_conn(struct iscsi_cls_session *sess, |
| 223 | uint32_t cid); | 222 | uint32_t cid); |
| @@ -225,4 +224,5 @@ extern int iscsi_destroy_conn(struct iscsi_cls_conn *conn); | |||
| 225 | extern void iscsi_unblock_session(struct iscsi_cls_session *session); | 224 | extern void iscsi_unblock_session(struct iscsi_cls_session *session); |
| 226 | extern void iscsi_block_session(struct iscsi_cls_session *session); | 225 | extern void iscsi_block_session(struct iscsi_cls_session *session); |
| 227 | 226 | ||
| 227 | |||
| 228 | #endif | 228 | #endif |
