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authorDavid Woodhouse <David.Woodhouse@intel.com>2015-03-25 15:43:39 +0000
committerDavid Woodhouse <David.Woodhouse@intel.com>2015-03-25 15:43:39 +0000
commit4423f5e7d28c26af31df711c5c21eeacfac737b4 (patch)
tree33843e49a5f2e07a75e92339b8593c53ce71c1d5
parent18436afdc11a00ac881990b454cfb2eae81d6003 (diff)
downloadop-kernel-dev-4423f5e7d28c26af31df711c5c21eeacfac737b4.zip
op-kernel-dev-4423f5e7d28c26af31df711c5c21eeacfac737b4.tar.gz
iommu/vt-d: Add new extended capabilities from v2.3 VT-d specification
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
-rw-r--r--include/linux/intel-iommu.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index ee24ada..796ef96 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -115,6 +115,17 @@ static inline void dmar_writeq(void __iomem *addr, u64 val)
* Extended Capability Register
*/
+#define ecap_pss(e) ((e >> 35) & 0x1f)
+#define ecap_eafs(e) ((e >> 34) & 0x1)
+#define ecap_nwfs(e) ((e >> 33) & 0x1)
+#define ecap_srs(e) ((e >> 31) & 0x1)
+#define ecap_ers(e) ((e >> 30) & 0x1)
+#define ecap_prs(e) ((e >> 29) & 0x1)
+#define ecap_pasid(e) ((e >> 28) & 0x1)
+#define ecap_dis(e) ((e >> 27) & 0x1)
+#define ecap_nest(e) ((e >> 26) & 0x1)
+#define ecap_mts(e) ((e >> 25) & 0x1)
+#define ecap_ecs(e) ((e >> 24) & 0x1)
#define ecap_iotlb_offset(e) ((((e) >> 8) & 0x3ff) * 16)
#define ecap_max_iotlb_offset(e) (ecap_iotlb_offset(e) + 16)
#define ecap_coherent(e) ((e) & 0x1)
@@ -178,6 +189,9 @@ static inline void dmar_writeq(void __iomem *addr, u64 val)
#define DMA_GSTS_IRES (((u32)1) << 25)
#define DMA_GSTS_CFIS (((u32)1) << 23)
+/* DMA_RTADDR_REG */
+#define DMA_RTADDR_RTT (((u64)1) << 11)
+
/* CCMD_REG */
#define DMA_CCMD_ICC (((u64)1) << 63)
#define DMA_CCMD_GLOBAL_INVL (((u64)1) << 61)
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