IB/ipath: Force PIOAvail update entry point
Due to a chip bug, the PIOAvail register is not always updated to
memory. This patch allows userspace to force an update.
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/hw/ipath/ipath_common.h b/drivers/infiniband/hw/ipath/ipath_common.h
index 048b928..10c008f 100644
--- a/drivers/infiniband/hw/ipath/ipath_common.h
+++ b/drivers/infiniband/hw/ipath/ipath_common.h
@@ -352,7 +352,7 @@
* may not be implemented; the user code must deal with this if it
* cares, or it must abort after initialization reports the difference.
*/
-#define IPATH_USER_SWMINOR 4
+#define IPATH_USER_SWMINOR 5
#define IPATH_USER_SWVERSION ((IPATH_USER_SWMAJOR<<16) | IPATH_USER_SWMINOR)
@@ -429,8 +429,11 @@
#define __IPATH_CMD_SLAVE_INFO 22 /* return info on slave processes (for old user code) */
#define IPATH_CMD_ASSIGN_PORT 23 /* allocate HCA and port */
#define IPATH_CMD_USER_INIT 24 /* set up userspace */
+#define IPATH_CMD_UNUSED_1 25
+#define IPATH_CMD_UNUSED_2 26
+#define IPATH_CMD_PIOAVAILUPD 27 /* force an update of PIOAvail reg */
-#define IPATH_CMD_MAX 24
+#define IPATH_CMD_MAX 27
struct ipath_port_info {
__u32 num_active; /* number of active units */