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| author | Suresh Siddha | 2008-07-10 20:16:40 +0200 |
|---|---|---|
| committer | Ingo Molnar | 2008-07-12 08:44:50 +0200 |
| commit | ad3ad3f6a2caebf56869b83b69e23eb9fa5e0ab6 (patch) | |
| tree | 7bc99dde6a6313eb43783086a33f6eebc1da1907 /drivers/pci/intel-iommu.h | |
| parent | x64, x2apic/intr-remap: Fix the need for RMRR in the DMA-remapping detection (diff) | |
| download | kernel-qcow2-linux-ad3ad3f6a2caebf56869b83b69e23eb9fa5e0ab6.tar.gz kernel-qcow2-linux-ad3ad3f6a2caebf56869b83b69e23eb9fa5e0ab6.tar.xz kernel-qcow2-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.h | 2 |
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 */ |