[SCSI] scsi_transport_iscsi: added support for host event

[mirror_ubuntu-bionic-kernel.git] / include / scsi / iscsi_if.h

diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index e49b7c8dd2173e9d4033f7389af8f835c561bfe2..3aac99155e805f49855a9a22e0487ca8db20a3bb 100644 (file)
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -72,6 +72,7 @@ enum iscsi_uevent_e {
        ISCSI_KEVENT_PATH_REQ           = KEVENT_BASE + 7,
        ISCSI_KEVENT_IF_DOWN            = KEVENT_BASE + 8,
        ISCSI_KEVENT_CONN_LOGIN_STATE   = KEVENT_BASE + 9,
+       ISCSI_KEVENT_HOST_EVENT         = KEVENT_BASE + 10,
 };
 
 enum iscsi_tgt_dscvr {
@@ -80,6 +81,13 @@ enum iscsi_tgt_dscvr {
        ISCSI_TGT_DSCVR_SLP             = 3,
 };
 
+enum iscsi_host_event_code {
+       ISCSI_EVENT_LINKUP              = 1,
+       ISCSI_EVENT_LINKDOWN,
+       /* must always be last */
+       ISCSI_EVENT_MAX,
+};
+
 struct iscsi_uevent {
        uint32_t type; /* k/u events type */
        uint32_t iferror; /* carries interface or resource errors */
@@ -222,6 +230,11 @@ struct iscsi_uevent {
                struct msg_notify_if_down {
                        uint32_t        host_no;
                } notify_if_down;
+               struct msg_host_event {
+                       uint32_t        host_no;
+                       uint32_t        data_size;
+                       enum iscsi_host_event_code code;
+               } host_event;
        } r;
 } __attribute__ ((aligned (sizeof(uint64_t))));