diff options
Diffstat (limited to 'include/scsi')
| -rw-r--r-- | include/scsi/iscsi_if.h | 42 | ||||
| -rw-r--r-- | include/scsi/scsi_transport_iscsi.h | 5 |
2 files changed, 47 insertions, 0 deletions
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h index 2c1a4af9eaf..4426f00da5f 100644 --- a/include/scsi/iscsi_if.h +++ b/include/scsi/iscsi_if.h @@ -22,6 +22,11 @@ #define ISCSI_IF_H #include <scsi/iscsi_proto.h> +#include <linux/in.h> +#include <linux/in6.h> + +#define ISCSI_NL_GRP_ISCSID 1 +#define ISCSI_NL_GRP_UIP 2 #define UEVENT_BASE 10 #define KEVENT_BASE 100 @@ -53,6 +58,8 @@ enum iscsi_uevent_e { ISCSI_UEVENT_CREATE_BOUND_SESSION = UEVENT_BASE + 18, ISCSI_UEVENT_TRANSPORT_EP_CONNECT_THROUGH_HOST = UEVENT_BASE + 19, + ISCSI_UEVENT_PATH_UPDATE = UEVENT_BASE + 20, + /* up events */ ISCSI_KEVENT_RECV_PDU = KEVENT_BASE + 1, ISCSI_KEVENT_CONN_ERROR = KEVENT_BASE + 2, @@ -60,6 +67,9 @@ enum iscsi_uevent_e { ISCSI_KEVENT_DESTROY_SESSION = KEVENT_BASE + 4, ISCSI_KEVENT_UNBIND_SESSION = KEVENT_BASE + 5, ISCSI_KEVENT_CREATE_SESSION = KEVENT_BASE + 6, + + ISCSI_KEVENT_PATH_REQ = KEVENT_BASE + 7, + ISCSI_KEVENT_IF_DOWN = KEVENT_BASE + 8, }; enum iscsi_tgt_dscvr { @@ -159,6 +169,9 @@ struct iscsi_uevent { uint32_t param; /* enum iscsi_host_param */ uint32_t len; } set_host_param; + struct msg_set_path { + uint32_t host_no; + } set_path; } u; union { /* messages k -> u */ @@ -192,10 +205,39 @@ struct iscsi_uevent { struct msg_transport_connect_ret { uint64_t handle; } ep_connect_ret; + struct msg_req_path { + uint32_t host_no; + } req_path; + struct msg_notify_if_down { + uint32_t host_no; + } notify_if_down; } r; } __attribute__ ((aligned (sizeof(uint64_t)))); /* + * To keep the struct iscsi_uevent size the same for userspace code + * compatibility, the main structure for ISCSI_UEVENT_PATH_UPDATE and + * ISCSI_KEVENT_PATH_REQ is defined separately and comes after the + * struct iscsi_uevent in the NETLINK_ISCSI message. + */ +struct iscsi_path { + uint64_t handle; + uint8_t mac_addr[6]; + uint8_t mac_addr_old[6]; + uint32_t ip_addr_len; /* 4 or 16 */ + union { + struct in_addr v4_addr; + struct in6_addr v6_addr; + } src; + union { + struct in_addr v4_addr; + struct in6_addr v6_addr; + } dst; + uint16_t vlan_id; + uint16_t pmtu; +} __attribute__ ((aligned (sizeof(uint64_t)))); + +/* * Common error codes */ enum iscsi_err { diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index 8cb7a31d996..349c7f30720 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -133,6 +133,7 @@ struct iscsi_transport { void (*ep_disconnect) (struct iscsi_endpoint *ep); int (*tgt_dscvr) (struct Scsi_Host *shost, enum iscsi_tgt_dscvr type, uint32_t enable, struct sockaddr *dst_addr); + int (*set_path) (struct Scsi_Host *shost, struct iscsi_path *params); }; /* @@ -149,6 +150,10 @@ extern void iscsi_conn_error_event(struct iscsi_cls_conn *conn, extern int iscsi_recv_pdu(struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr, char *data, uint32_t data_size); +extern int iscsi_offload_mesg(struct Scsi_Host *shost, + struct iscsi_transport *transport, uint32_t type, + char *data, uint16_t data_size); + struct iscsi_cls_conn { struct list_head conn_list; /* item in connlist */ void *dd_data; /* LLD private data */ |