From: Vijay Mohan Pandarathil <vijaymohan.pandarathil@hp.com>
Date: Mon, 11 Mar 2013 15:31:22 +0000 (-0600)
Subject: VFIO-AER: Vfio-pci driver changes for supporting AER
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~64^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dad9f8972e04cd081a028d8fb1249d746d97fc03;p=pandora-kernel.git

VFIO-AER: Vfio-pci driver changes for supporting AER

- New VFIO_SET_IRQ ioctl option to pass the eventfd that is signaled when
  an error occurs in the vfio_pci_device

- Register pci_error_handler for the vfio_pci driver

- When the device encounters an error, the error handler registered by
  the vfio_pci driver gets invoked by the AER infrastructure

- In the error handler, signal the eventfd registered for the device.

- This results in the qemu eventfd handler getting invoked and
  appropriate action taken for the guest.

Signed-off-by: Vijay Mohan Pandarathil <vijaymohan.pandarathil@hp.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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