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authorOr Gerlitz <ogerlitz@mellanox.com>2014-07-08 12:45:10 +0300
committerRoland Dreier <roland@purestorage.com>2014-08-05 07:47:33 -0700
commite316453301f02bfcaabcb86e628f3dbef2e96c7e (patch)
tree4ddd58df2ed33ae4550020888c053731b8534a78 /drivers/infiniband
parent64aa90f26c06e1cb2aacfb98a7d0eccfbd6c1a91 (diff)
downloadop-kernel-dev-e316453301f02bfcaabcb86e628f3dbef2e96c7e.zip
op-kernel-dev-e316453301f02bfcaabcb86e628f3dbef2e96c7e.tar.gz
IB/ipath: Add P_Key change event support
Deliver P_Key_CHANGE event through the relevant IB device when the local pkey table changes. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/ipath/ipath_mad.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_mad.c b/drivers/infiniband/hw/ipath/ipath_mad.c
index 43f2d04..e890e5b 100644
--- a/drivers/infiniband/hw/ipath/ipath_mad.c
+++ b/drivers/infiniband/hw/ipath/ipath_mad.c
@@ -726,7 +726,7 @@ bail:
* @dd: the infinipath device
* @pkeys: the PKEY table
*/
-static int set_pkeys(struct ipath_devdata *dd, u16 *pkeys)
+static int set_pkeys(struct ipath_devdata *dd, u16 *pkeys, u8 port)
{
struct ipath_portdata *pd;
int i;
@@ -759,6 +759,7 @@ static int set_pkeys(struct ipath_devdata *dd, u16 *pkeys)
}
if (changed) {
u64 pkey;
+ struct ib_event event;
pkey = (u64) dd->ipath_pkeys[0] |
((u64) dd->ipath_pkeys[1] << 16) |
@@ -768,12 +769,17 @@ static int set_pkeys(struct ipath_devdata *dd, u16 *pkeys)
(unsigned long long) pkey);
ipath_write_kreg(dd, dd->ipath_kregs->kr_partitionkey,
pkey);
+
+ event.event = IB_EVENT_PKEY_CHANGE;
+ event.device = &dd->verbs_dev->ibdev;
+ event.element.port_num = port;
+ ib_dispatch_event(&event);
}
return 0;
}
static int recv_subn_set_pkeytable(struct ib_smp *smp,
- struct ib_device *ibdev)
+ struct ib_device *ibdev, u8 port)
{
u32 startpx = 32 * (be32_to_cpu(smp->attr_mod) & 0xffff);
__be16 *p = (__be16 *) smp->data;
@@ -784,7 +790,7 @@ static int recv_subn_set_pkeytable(struct ib_smp *smp,
for (i = 0; i < n; i++)
q[i] = be16_to_cpu(p[i]);
- if (startpx != 0 || set_pkeys(dev->dd, q) != 0)
+ if (startpx != 0 || set_pkeys(dev->dd, q, port) != 0)
smp->status |= IB_SMP_INVALID_FIELD;
return recv_subn_get_pkeytable(smp, ibdev);
@@ -1342,7 +1348,7 @@ static int process_subn(struct ib_device *ibdev, int mad_flags,
ret = recv_subn_set_portinfo(smp, ibdev, port_num);
goto bail;
case IB_SMP_ATTR_PKEY_TABLE:
- ret = recv_subn_set_pkeytable(smp, ibdev);
+ ret = recv_subn_set_pkeytable(smp, ibdev, port_num);
goto bail;
case IB_SMP_ATTR_SM_INFO:
if (dev->port_cap_flags & IB_PORT_SM_DISABLED) {
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