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authorSuresh Siddha <suresh.b.siddha@intel.com>2008-07-10 20:16:40 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-12 08:44:50 +0200
commitad3ad3f6a2caebf56869b83b69e23eb9fa5e0ab6 (patch)
tree7bc99dde6a6313eb43783086a33f6eebc1da1907 /drivers/pci/intel-iommu.h
parentx64, x2apic/intr-remap: Fix the need for RMRR in the DMA-remapping detection (diff)
downloadlinux-ad3ad3f6a2caebf56869b83b69e23eb9fa5e0ab6.tar.xz
linux-ad3ad3f6a2caebf56869b83b69e23eb9fa5e0ab6.zip
x64, x2apic/intr-remap: parse ioapic scope under vt-d structures
Parse the vt-d device scope structures to find the mapping between IO-APICs and the interrupt remapping hardware units. This will be used later for enabling Interrupt-remapping for IOAPIC devices. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/pci/intel-iommu.h')
-rw-r--r--drivers/pci/intel-iommu.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/pci/intel-iommu.h b/drivers/pci/intel-iommu.h
index 371e3b9caf32..eb167e39b464 100644
--- a/drivers/pci/intel-iommu.h
+++ b/drivers/pci/intel-iommu.h
@@ -114,6 +114,8 @@ static inline void dmar_writeq(void __iomem *addr, u64 val)
#define ecap_max_iotlb_offset(e) \
(ecap_iotlb_offset(e) + ecap_niotlb_iunits(e) * 16)
#define ecap_coherent(e) ((e) & 0x1)
+#define ecap_eim_support(e) ((e >> 4) & 0x1)
+#define ecap_ir_support(e) ((e >> 3) & 0x1)
/* IOTLB_REG */