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-rw-r--r--drivers/scsi/iscsi_tcp.c5
-rw-r--r--drivers/scsi/scsi_transport_iscsi.c46
2 files changed, 40 insertions, 11 deletions
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 72b9b2a0eba..81c421a7d47 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -1871,8 +1871,9 @@ iscsi_conn_get_stats(struct iscsi_cls_conn *cls_conn, struct iscsi_stats *stats)
static struct iscsi_cls_session *
iscsi_tcp_session_create(struct iscsi_transport *iscsit,
struct scsi_transport_template *scsit,
- uint16_t cmds_max, uint16_t qdepth,
- uint32_t initial_cmdsn, uint32_t *hostno)
+ struct Scsi_Host *shost, uint16_t cmds_max,
+ uint16_t qdepth, uint32_t initial_cmdsn,
+ uint32_t *hostno)
{
struct iscsi_cls_session *cls_session;
struct iscsi_session *session;
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 65d1737eb66..2a6669d967c 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -1017,21 +1017,38 @@ int iscsi_session_event(struct iscsi_cls_session *session,
EXPORT_SYMBOL_GPL(iscsi_session_event);
static int
-iscsi_if_create_session(struct iscsi_internal *priv, struct iscsi_uevent *ev)
+iscsi_if_create_session(struct iscsi_internal *priv, struct iscsi_uevent *ev,
+ uint32_t host_no, uint32_t initial_cmdsn,
+ uint16_t cmds_max, uint16_t queue_depth)
{
struct iscsi_transport *transport = priv->iscsi_transport;
struct iscsi_cls_session *session;
- uint32_t hostno;
+ struct Scsi_Host *shost = NULL;
- session = transport->create_session(transport, &priv->t,
- ev->u.c_session.cmds_max,
- ev->u.c_session.queue_depth,
- ev->u.c_session.initial_cmdsn,
- &hostno);
+ /*
+ * Software iscsi allocates a host per session, but
+ * offload drivers (and possibly iser one day) allocate a host per
+ * hba/nic/rnic. Offload will match a host here, but software will
+ * return a new hostno after the create_session callback has returned.
+ */
+ if (host_no != UINT_MAX) {
+ shost = scsi_host_lookup(host_no);
+ if (IS_ERR(shost)) {
+ printk(KERN_ERR "Could not find host no %u to "
+ "create session\n", host_no);
+ return -ENODEV;
+ }
+ }
+
+ session = transport->create_session(transport, &priv->t, shost,
+ cmds_max, queue_depth,
+ initial_cmdsn, &host_no);
+ if (shost)
+ scsi_host_put(shost);
if (!session)
return -ENOMEM;
- ev->r.c_session_ret.host_no = hostno;
+ ev->r.c_session_ret.host_no = host_no;
ev->r.c_session_ret.sid = session->sid;
return 0;
}
@@ -1190,6 +1207,7 @@ static int
iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
{
int err = 0;
+ uint32_t host_no = UINT_MAX;
struct iscsi_uevent *ev = NLMSG_DATA(nlh);
struct iscsi_transport *transport = NULL;
struct iscsi_internal *priv;
@@ -1208,7 +1226,17 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
switch (nlh->nlmsg_type) {
case ISCSI_UEVENT_CREATE_SESSION:
- err = iscsi_if_create_session(priv, ev);
+ err = iscsi_if_create_session(priv, ev, host_no,
+ ev->u.c_session.initial_cmdsn,
+ ev->u.c_session.cmds_max,
+ ev->u.c_session.queue_depth);
+ break;
+ case ISCSI_UEVENT_CREATE_BOUND_SESSION:
+ err = iscsi_if_create_session(priv, ev,
+ ev->u.c_bound_session.host_no,
+ ev->u.c_bound_session.initial_cmdsn,
+ ev->u.c_bound_session.cmds_max,
+ ev->u.c_bound_session.queue_depth);
break;
case ISCSI_UEVENT_DESTROY_SESSION:
session = iscsi_session_lookup(ev->u.d_session.sid);