[Patch 1/3] IB/mlx4: send a IB_EVENT_DEVICE_FATAL to users during PCI error injection

[clsoto@linux.vnet.ibm.com]

[-- Attachment #1: mlx4_send_device_fatal_event.patch --]
[-- Type: text/plain, Size: 922 bytes --]

If the cards hits a pci error, then notify users that the device is
not in good shape. Send IB_EVENT_DEVICE_FATAL to IB users. 

Signed-off-by: Carol Soto <clsoto@linux.vnet.ibm.com>

---
 drivers/net/ethernet/mellanox/mlx4/main.c |    6 ++++++
 1 file changed, 6 insertions(+)

Index: b/drivers/net/ethernet/mellanox/mlx4/main.c
===================================================================
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -2673,6 +2673,12 @@ MODULE_DEVICE_TABLE(pci, mlx4_pci_table)
 static pci_ers_result_t mlx4_pci_err_detected(struct pci_dev *pdev,
 					      pci_channel_state_t state)
 {
+	struct mlx4_dev *dev = pci_get_drvdata(pdev);
+	int i;
+
+	for (i = 1; i <= dev->caps.num_ports; ++i)
+		mlx4_dispatch_event(dev, MLX4_DEV_EVENT_CATASTROPHIC_ERROR, i);
+
 	mlx4_remove_one(pdev);
 
 	return state == pci_channel_io_perm_failure ?

--