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authorJoerg Roedel <joerg.roedel@amd.com>2011-09-27 15:57:15 +0200
committerJesse Barnes <jbarnes@virtuousgeek.org>2011-10-14 09:05:34 -0700
commitc320b976d7837c561ce4aa49dfe0a64f0e527ce4 (patch)
tree09d12286e3c63ab15a472468795204eeb154f83c /drivers/pci/Kconfig
parentd4c0636c2107010f0ef8c4dfbb1d6368ae3b3ed9 (diff)
downloadlinux-c320b976d7837c561ce4aa49dfe0a64f0e527ce4.tar.bz2
PCI: Add implementation for PRI capability
Implement the necessary functions to handle PRI capabilities on PCIe devices. With PRI devices behind an IOMMU can signal page fault conditions to software and recover from such faults. Reviewed-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/Kconfig')
-rw-r--r--drivers/pci/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 1d8ce8395861..fb1e9707f91e 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -85,6 +85,15 @@ config PCI_IOV
If unsure, say N.
+config PCI_PRI
+ bool "PCI PRI support"
+ select PCI_ATS
+ help
+ PRI is the PCI Page Request Interface. It allows PCI devices that are
+ behind an IOMMU to recover from page faults.
+
+ If unsure, say N.
+
config PCI_IOAPIC
bool
depends on PCI