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[Qemu-devel] [PATCH v4 05/10] intel_iommu: provide vtd_ce_get_type()
From: |
Peter Xu |
Subject: |
[Qemu-devel] [PATCH v4 05/10] intel_iommu: provide vtd_ce_get_type() |
Date: |
Fri, 19 May 2017 11:19:44 +0800 |
Helper to fetch VT-d context entry type.
Signed-off-by: Peter Xu <address@hidden>
---
hw/i386/intel_iommu.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index f06055f..b477143 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -595,6 +595,11 @@ static inline uint32_t vtd_ce_get_agaw(VTDContextEntry *ce)
return 30 + (ce->hi & VTD_CONTEXT_ENTRY_AW) * 9;
}
+static inline uint32_t vtd_ce_get_type(VTDContextEntry *ce)
+{
+ return ce->lo & VTD_CONTEXT_ENTRY_TT;
+}
+
static inline uint64_t vtd_iova_limit(VTDContextEntry *ce)
{
uint32_t ce_agaw = vtd_ce_get_agaw(ce);
@@ -865,7 +870,7 @@ static int vtd_dev_to_context_entry(IntelIOMMUState *s,
uint8_t bus_num,
trace_vtd_ce_invalid(ce->hi, ce->lo);
return -VTD_FR_CONTEXT_ENTRY_INV;
} else {
- switch (ce->lo & VTD_CONTEXT_ENTRY_TT) {
+ switch (vtd_ce_get_type(ce)) {
case VTD_CONTEXT_TT_MULTI_LEVEL:
/* fall through */
case VTD_CONTEXT_TT_DEV_IOTLB:
--
2.7.4
- [Qemu-devel] [PATCH v4 00/10] VT-d: PT (passthrough) mode support and misc fixes, Peter Xu, 2017/05/18
- [Qemu-devel] [PATCH v4 01/10] memory: tune last param of iommu_ops.translate(), Peter Xu, 2017/05/18
- [Qemu-devel] [PATCH v4 03/10] x86-iommu: use DeviceClass properties, Peter Xu, 2017/05/18
- [Qemu-devel] [PATCH v4 04/10] intel_iommu: renaming context entry helpers, Peter Xu, 2017/05/18
- [Qemu-devel] [PATCH v4 02/10] memory: remove the last param in memory_region_iommu_replay(), Peter Xu, 2017/05/18
- [Qemu-devel] [PATCH v4 05/10] intel_iommu: provide vtd_ce_get_type(),
Peter Xu <=
- [Qemu-devel] [PATCH v4 06/10] intel_iommu: use IOMMU_ACCESS_FLAG(), Peter Xu, 2017/05/18
- [Qemu-devel] [PATCH v4 07/10] intel_iommu: allow dev-iotlb context entry conditionally, Peter Xu, 2017/05/18
- [Qemu-devel] [PATCH v4 08/10] intel_iommu: support passthrough (PT), Peter Xu, 2017/05/18
- [Qemu-devel] [PATCH v4 09/10] intel_iommu: turn off pt before 2.9, Peter Xu, 2017/05/18
- [Qemu-devel] [PATCH v4 10/10] vhost: iommu: cache static mapping if there is, Peter Xu, 2017/05/18