diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-17 10:44:22 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-17 10:44:22 -0800 |
| commit | cc669743a39e3f61c9ca5e786e959bf478ccd197 (patch) | |
| tree | 99b1e239b6dea761435a5199c994371f01f500bf /drivers/vfio/pci/vfio_pci_config.c | |
| parent | 9f3e15129902bca9d8e296c165345f158bac94eb (diff) | |
| parent | 5e9f36c59a4883c6d8db4a3c097e4fc2234742de (diff) | |
Merge tag 'vfio-v3.19-rc1' of git://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- s390 support (Frank Blaschka)
- Enable iommu-type1 for ARM SMMU (Will Deacon)
* tag 'vfio-v3.19-rc1' of git://github.com/awilliam/linux-vfio:
drivers/vfio: allow type-1 IOMMU instantiation on top of an ARM SMMU
vfio: make vfio run on s390
Diffstat (limited to 'drivers/vfio/pci/vfio_pci_config.c')
| -rw-r--r-- | drivers/vfio/pci/vfio_pci_config.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c index 1de3f94aa7d..ff75ca31a19 100644 --- a/drivers/vfio/pci/vfio_pci_config.c +++ b/drivers/vfio/pci/vfio_pci_config.c @@ -609,6 +609,10 @@ static int __init init_pci_cap_basic_perm(struct perm_bits *perm) /* Sometimes used by sw, just virtualize */ p_setb(perm, PCI_INTERRUPT_LINE, (u8)ALL_VIRT, (u8)ALL_WRITE); + + /* Virtualize interrupt pin to allow hiding INTx */ + p_setb(perm, PCI_INTERRUPT_PIN, (u8)ALL_VIRT, (u8)NO_WRITE); + return 0; } @@ -1445,6 +1449,9 @@ int vfio_config_init(struct vfio_pci_device *vdev) *(__le16 *)&vconfig[PCI_DEVICE_ID] = cpu_to_le16(pdev->device); } + if (!IS_ENABLED(CONFIG_VFIO_PCI_INTX)) + vconfig[PCI_INTERRUPT_PIN] = 0; + ret = vfio_cap_init(vdev); if (ret) goto out; |