From mboxrd@z Thu Jan 1 00:00:00 1970 From: clsoto@linux.vnet.ibm.com Subject: [Patch 1/3] IB/mlx4: send a IB_EVENT_DEVICE_FATAL to users during PCI error injection Date: Thu, 27 Mar 2014 09:28:14 -0500 Message-ID: <20140327142939.072593482@linux.vnet.ibm.com> References: <20140327142813.535289178@linux.vnet.ibm.com> Cc: brking@linux.vnet.ibm.com To: clsoto@linux.vnet.ibm.com, roland@kernel.org, sean.hefty@intel.com, hal.rosenstock@gmail.com, linux-rdma@vger.kernel.org, netdev@vger.kernel.org Return-path: Received: from [32.97.110.57] ([32.97.110.57]:60985 "HELO jupiter1-lp2.austin.ibm.com" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with SMTP id S1756893AbaC0Ocp (ORCPT ); Thu, 27 Mar 2014 10:32:45 -0400 Content-Disposition: inline; filename=mlx4_send_device_fatal_event.patch Sender: netdev-owner@vger.kernel.org List-ID: 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 --- 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 ? --