diff options
Diffstat (limited to 'include/scsi/scsi_transport_iscsi.h')
| -rw-r--r-- | include/scsi/scsi_transport_iscsi.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index 53f0b361d668..4a58cca2ecc1 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -39,6 +39,8 @@ struct iscsi_task; struct sockaddr; struct iscsi_iface; struct bsg_job; +struct iscsi_bus_flash_session; +struct iscsi_bus_flash_conn; /** * struct iscsi_transport - iSCSI Transport template @@ -150,6 +152,19 @@ struct iscsi_transport { int (*get_chap) (struct Scsi_Host *shost, uint16_t chap_tbl_idx, uint32_t *num_entries, char *buf); int (*delete_chap) (struct Scsi_Host *shost, uint16_t chap_tbl_idx); + int (*get_flashnode_param) (struct iscsi_bus_flash_session *fnode_sess, + int param, char *buf); + int (*set_flashnode_param) (struct iscsi_bus_flash_session *fnode_sess, + struct iscsi_bus_flash_conn *fnode_conn, + void *data, int len); + int (*new_flashnode) (struct Scsi_Host *shost, const char *buf, + int len); + int (*del_flashnode) (struct iscsi_bus_flash_session *fnode_sess); + int (*login_flashnode) (struct iscsi_bus_flash_session *fnode_sess, + struct iscsi_bus_flash_conn *fnode_conn); + int (*logout_flashnode) (struct iscsi_bus_flash_session *fnode_sess, + struct iscsi_bus_flash_conn *fnode_conn); + int (*logout_flashnode_sid) (struct iscsi_cls_session *cls_sess); }; /* @@ -286,6 +301,112 @@ struct iscsi_iface { #define iscsi_iface_to_shost(_iface) \ dev_to_shost(_iface->dev.parent) + +struct iscsi_bus_flash_conn { + struct list_head conn_list; /* item in connlist */ + void *dd_data; /* LLD private data */ + struct iscsi_transport *transport; + struct device dev; /* sysfs transport/container device */ + /* iscsi connection parameters */ + uint32_t exp_statsn; + uint32_t statsn; + unsigned max_recv_dlength; /* initiator_max_recv_dsl*/ + unsigned max_xmit_dlength; /* target_max_recv_dsl */ + unsigned max_segment_size; + unsigned tcp_xmit_wsf; + unsigned tcp_recv_wsf; + int hdrdgst_en; + int datadgst_en; + int port; + char *ipaddress; + char *link_local_ipv6_addr; + char *redirect_ipaddr; + uint16_t keepalive_timeout; + uint16_t local_port; + uint8_t snack_req_en; + /* tcp timestamp negotiation status */ + uint8_t tcp_timestamp_stat; + uint8_t tcp_nagle_disable; + /* tcp window scale factor */ + uint8_t tcp_wsf_disable; + uint8_t tcp_timer_scale; + uint8_t tcp_timestamp_en; + uint8_t ipv4_tos; + uint8_t ipv6_traffic_class; + uint8_t ipv6_flow_label; + uint8_t fragment_disable; + /* Link local IPv6 address is assigned by firmware or driver */ + uint8_t is_fw_assigned_ipv6; +}; + +#define iscsi_dev_to_flash_conn(_dev) \ + container_of(_dev, struct iscsi_bus_flash_conn, dev) + +#define iscsi_flash_conn_to_flash_session(_conn) \ + iscsi_dev_to_flash_session(_conn->dev.parent) + +#define ISID_SIZE 6 + +struct iscsi_bus_flash_session { + struct list_head sess_list; /* item in session_list */ + struct iscsi_transport *transport; + unsigned int target_id; + int flash_state; /* persistent or non-persistent */ + void *dd_data; /* LLD private data */ + struct device dev; /* sysfs transport/container device */ + /* iscsi session parameters */ + unsigned first_burst; + unsigned max_burst; + unsigned short max_r2t; + int default_taskmgmt_timeout; + int initial_r2t_en; + int imm_data_en; + int time2wait; + int time2retain; + int pdu_inorder_en; + int dataseq_inorder_en; + int erl; + int tpgt; + char *username; + char *username_in; + char *password; + char *password_in; + char *targetname; + char *targetalias; + char *portal_type; + uint16_t tsid; + uint16_t chap_in_idx; + uint16_t chap_out_idx; + /* index of iSCSI discovery session if the entry is + * discovered by iSCSI discovery session + */ + uint16_t discovery_parent_idx; + /* indicates if discovery was done through iSNS discovery service + * or through sendTarget */ + uint16_t discovery_parent_type; + /* Firmware auto sendtarget discovery disable */ + uint8_t auto_snd_tgt_disable; + uint8_t discovery_sess; + /* indicates if this flashnode entry is enabled or disabled */ + uint8_t entry_state; + uint8_t chap_auth_en; + /* enables firmware to auto logout the discovery session on discovery + * completion + */ + uint8_t discovery_logout_en; + uint8_t bidi_chap_en; + /* makes authentication for discovery session optional */ + uint8_t discovery_auth_optional; + uint8_t isid[ISID_SIZE]; + uint8_t is_boot_target; +}; + +#define iscsi_dev_to_flash_session(_dev) \ + container_of(_dev, struct iscsi_bus_flash_session, dev) + +#define iscsi_flash_session_to_shost(_session) \ + dev_to_shost(_session->dev.parent) + /* * session and connection functions that can be used by HW iSCSI LLDs */ @@ -330,4 +451,34 @@ extern char *iscsi_get_port_speed_name(struct Scsi_Host *shost); extern char *iscsi_get_port_state_name(struct Scsi_Host *shost); extern int iscsi_is_session_dev(const struct device *dev); +extern char *iscsi_get_discovery_parent_name(int parent_type); +extern struct device * +iscsi_find_flashnode(struct Scsi_Host *shost, void *data, + int (*fn)(struct device *dev, void *data)); + +extern struct iscsi_bus_flash_session * +iscsi_create_flashnode_sess(struct Scsi_Host *shost, int index, + struct iscsi_transport *transport, int dd_size); + +extern struct iscsi_bus_flash_conn * +iscsi_create_flashnode_conn(struct Scsi_Host *shost, + struct iscsi_bus_flash_session *fnode_sess, + struct iscsi_transport *transport, int dd_size); + +extern void +iscsi_destroy_flashnode_sess(struct iscsi_bus_flash_session *fnode_sess); + +extern void iscsi_destroy_all_flashnode(struct Scsi_Host *shost); +extern int iscsi_flashnode_bus_match(struct device *dev, + struct device_driver *drv); +extern int iscsi_is_flashnode_conn_dev(struct device *dev, void *data); + +extern struct device * +iscsi_find_flashnode_sess(struct Scsi_Host *shost, void *data, + int (*fn)(struct device *dev, void *data)); + +extern struct device * +iscsi_find_flashnode_conn(struct iscsi_bus_flash_session *fnode_sess, + void *data, + int (*fn)(struct device *dev, void *data)); #endif |