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path: root/drivers/infiniband/hw/mlx4
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Diffstat (limited to 'drivers/infiniband/hw/mlx4')
-rw-r--r--drivers/infiniband/hw/mlx4/mad.c33
-rw-r--r--drivers/infiniband/hw/mlx4/main.c35
2 files changed, 66 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index e98849338a9..318d5bcf821 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -185,6 +185,10 @@ static void smp_snoop(struct ib_device *ibdev, u8 port_num, struct ib_mad *mad,
{
struct ib_port_info *pinfo;
u16 lid;
+ __be16 *base;
+ u32 bn, pkey_change_bitmap;
+ int i;
+
struct mlx4_ib_dev *dev = to_mdev(ibdev);
if ((mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED ||
@@ -209,8 +213,33 @@ static void smp_snoop(struct ib_device *ibdev, u8 port_num, struct ib_mad *mad,
break;
case IB_SMP_ATTR_PKEY_TABLE:
- mlx4_ib_dispatch_event(dev, port_num,
- IB_EVENT_PKEY_CHANGE);
+ if (!mlx4_is_mfunc(dev->dev)) {
+ mlx4_ib_dispatch_event(dev, port_num,
+ IB_EVENT_PKEY_CHANGE);
+ break;
+ }
+
+ bn = be32_to_cpu(((struct ib_smp *)mad)->attr_mod) & 0xFFFF;
+ base = (__be16 *) &(((struct ib_smp *)mad)->data[0]);
+ pkey_change_bitmap = 0;
+ for (i = 0; i < 32; i++) {
+ pr_debug("PKEY[%d] = x%x\n",
+ i + bn*32, be16_to_cpu(base[i]));
+ if (be16_to_cpu(base[i]) !=
+ dev->pkeys.phys_pkey_cache[port_num - 1][i + bn*32]) {
+ pkey_change_bitmap |= (1 << i);
+ dev->pkeys.phys_pkey_cache[port_num - 1][i + bn*32] =
+ be16_to_cpu(base[i]);
+ }
+ }
+ pr_debug("PKEY Change event: port=%d, "
+ "block=0x%x, change_bitmap=0x%x\n",
+ port_num, bn, pkey_change_bitmap);
+
+ if (pkey_change_bitmap)
+ mlx4_ib_dispatch_event(dev, port_num,
+ IB_EVENT_PKEY_CHANGE);
+
break;
case IB_SMP_ATTR_GUID_INFO:
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 3f7f77f93a1..8e10ec2af7b 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -1121,6 +1121,38 @@ static int mlx4_ib_netdev_event(struct notifier_block *this, unsigned long event
return NOTIFY_DONE;
}
+static void init_pkeys(struct mlx4_ib_dev *ibdev)
+{
+ int port;
+ int slave;
+ int i;
+
+ if (mlx4_is_master(ibdev->dev)) {
+ for (slave = 0; slave <= ibdev->dev->num_vfs; ++slave) {
+ for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) {
+ for (i = 0;
+ i < ibdev->dev->phys_caps.pkey_phys_table_len[port];
+ ++i) {
+ ibdev->pkeys.virt2phys_pkey[slave][port - 1][i] =
+ /* master has the identity virt2phys pkey mapping */
+ (slave == mlx4_master_func_num(ibdev->dev) || !i) ? i :
+ ibdev->dev->phys_caps.pkey_phys_table_len[port] - 1;
+ mlx4_sync_pkey_table(ibdev->dev, slave, port, i,
+ ibdev->pkeys.virt2phys_pkey[slave][port - 1][i]);
+ }
+ }
+ }
+ /* initialize pkey cache */
+ for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) {
+ for (i = 0;
+ i < ibdev->dev->phys_caps.pkey_phys_table_len[port];
+ ++i)
+ ibdev->pkeys.phys_pkey_cache[port-1][i] =
+ (i) ? 0 : 0xFFFF;
+ }
+ }
+}
+
static void mlx4_ib_alloc_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev)
{
char name[32];
@@ -1375,6 +1407,9 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
ibdev->ib_active = true;
+ if (mlx4_is_mfunc(ibdev->dev))
+ init_pkeys(ibdev);
+
return ibdev;
err_notif: