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VFIO updates for v3.17-rc1

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- Enable support for bus reset on device release
  - Fixes for EEH support
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Merge tag 'vfio-v3.17-rc1' of git://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:
 - enable support for bus reset on device release
 - fixes for EEH support

* tag 'vfio-v3.17-rc1' of git://github.com/awilliam/linux-vfio:
  drivers/vfio: Enable VFIO if EEH is not supported
  drivers/vfio: Allow EEH to be built as module
  drivers/vfio: Fix EEH build error
  vfio-pci: Attempt bus/slot reset on release
  vfio-pci: Use mutex around open, release, and remove
  vfio-pci: Release devices with BusMaster disabled
This commit is contained in:
Linus Torvalds 2014-08-14 09:41:41 -06:00
commit cc8a44c671
6 changed files with 171 additions and 26 deletions
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6
include/linux/vfio.h
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@ -98,16 +98,16 @@ extern int vfio_external_user_iommu_id(struct vfio_group *group);
extern long vfio_external_check_extension(struct vfio_group *group,
unsigned long arg);
struct pci_dev;
#ifdef CONFIG_EEH
extern int vfio_spapr_pci_eeh_open(struct pci_dev *pdev);
extern void vfio_spapr_pci_eeh_open(struct pci_dev *pdev);
extern void vfio_spapr_pci_eeh_release(struct pci_dev *pdev);
extern long vfio_spapr_iommu_eeh_ioctl(struct iommu_group *group,
unsigned int cmd,
unsigned long arg);
#else
static inline int vfio_spapr_pci_eeh_open(struct pci_dev *pdev)
static inline void vfio_spapr_pci_eeh_open(struct pci_dev *pdev)
{
return 0;
}
static inline void vfio_spapr_pci_eeh_release(struct pci_dev *pdev)