[SCSI] iscsi: add transport end point callbacks
add transport end point callbacks so iscsi drivers that cannot connect
from userspace, like iscsi tcp, using sockets do not have to
implement their own socket infrastructure.
Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index 47524c7..feff74e 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -43,6 +43,10 @@
ISCSI_UEVENT_GET_STATS = UEVENT_BASE + 10,
ISCSI_UEVENT_GET_PARAM = UEVENT_BASE + 11,
+ ISCSI_UEVENT_TRANSPORT_EP_CONNECT = UEVENT_BASE + 12,
+ ISCSI_UEVENT_TRANSPORT_EP_POLL = UEVENT_BASE + 13,
+ ISCSI_UEVENT_TRANSPORT_EP_DISCONNECT = UEVENT_BASE + 14,
+
/* up events */
ISCSI_KEVENT_RECV_PDU = KEVENT_BASE + 1,
ISCSI_KEVENT_CONN_ERROR = KEVENT_BASE + 2,
@@ -69,7 +73,7 @@
struct msg_bind_conn {
uint32_t sid;
uint32_t cid;
- uint32_t transport_fd;
+ uint64_t transport_eph;
uint32_t is_leading;
} b_conn;
struct msg_destroy_conn {
@@ -102,6 +106,16 @@
uint32_t sid;
uint32_t cid;
} get_stats;
+ struct msg_transport_connect {
+ uint32_t non_blocking;
+ } ep_connect;
+ struct msg_transport_poll {
+ uint64_t ep_handle;
+ uint32_t timeout_ms;
+ } ep_poll;
+ struct msg_transport_disconnect {
+ uint64_t ep_handle;
+ } ep_disconnect;
} u;
union {
/* messages k -> u */
@@ -124,6 +138,9 @@
uint32_t cid;
uint32_t error; /* enum iscsi_err */
} connerror;
+ struct msg_transport_connect_ret {
+ uint64_t handle;
+ } ep_connect_ret;
} r;
} __attribute__ ((aligned (sizeof(uint64_t))));