diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/scsi_transport_iscsi.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index cde679f1b01d..b85f8a4b8962 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -693,6 +693,19 @@ int iscsi_session_chkready(struct iscsi_cls_session *session) } EXPORT_SYMBOL_GPL(iscsi_session_chkready); +int iscsi_is_session_online(struct iscsi_cls_session *session) +{ + unsigned long flags; + int ret = 0; + + spin_lock_irqsave(&session->lock, flags); + if (session->state == ISCSI_SESSION_LOGGED_IN) + ret = 1; + spin_unlock_irqrestore(&session->lock, flags); + return ret; +} +EXPORT_SYMBOL_GPL(iscsi_is_session_online); + static void iscsi_session_release(struct device *dev) { struct iscsi_cls_session *session = iscsi_dev_to_session(dev); @@ -1433,6 +1446,40 @@ void iscsi_conn_error_event(struct iscsi_cls_conn *conn, enum iscsi_err error) } EXPORT_SYMBOL_GPL(iscsi_conn_error_event); +void iscsi_conn_login_event(struct iscsi_cls_conn *conn, + enum iscsi_conn_state state) +{ + struct nlmsghdr *nlh; + struct sk_buff *skb; + struct iscsi_uevent *ev; + struct iscsi_internal *priv; + int len = NLMSG_SPACE(sizeof(*ev)); + + priv = iscsi_if_transport_lookup(conn->transport); + if (!priv) + return; + + skb = alloc_skb(len, GFP_ATOMIC); + if (!skb) { + iscsi_cls_conn_printk(KERN_ERR, conn, "gracefully ignored " + "conn login (%d)\n", state); + return; + } + + nlh = __nlmsg_put(skb, 0, 0, 0, (len - sizeof(*nlh)), 0); + ev = NLMSG_DATA(nlh); + ev->transport_handle = iscsi_handle(conn->transport); + ev->type = ISCSI_KEVENT_CONN_LOGIN_STATE; + ev->r.conn_login.state = state; + ev->r.conn_login.cid = conn->cid; + ev->r.conn_login.sid = iscsi_conn_get_sid(conn); + iscsi_multicast_skb(skb, ISCSI_NL_GRP_ISCSID, GFP_ATOMIC); + + iscsi_cls_conn_printk(KERN_INFO, conn, "detected conn login (%d)\n", + state); +} +EXPORT_SYMBOL_GPL(iscsi_conn_login_event); + static int iscsi_if_send_reply(uint32_t group, int seq, int type, int done, int multi, void *payload, int size) |