aboutsummaryrefslogtreecommitdiff
path: root/hw/i386/intel_iommu_internal.h
diff options
context:
space:
mode:
authorQi, Yadong <yadong.qi@intel.com>2019-11-25 08:33:21 +0800
committerMichael S. Tsirkin <mst@redhat.com>2019-11-25 03:42:58 -0500
commite48929c787ed0ebed87877c97ac90c3a47ef7dda (patch)
tree7894d1ab27d7efbb28dabe48063a3d2f764cf888 /hw/i386/intel_iommu_internal.h
parentce586f3b8d2105657981a1a43107fe7c5374b280 (diff)
intel_iommu: TM field should not be in reserved bits
When dt is supported, TM field should not be Reserved(0). Refer to VT-d Spec 9.8 Signed-off-by: Zhang, Qi <qi1.zhang@intel.com> Signed-off-by: Qi, Yadong <yadong.qi@intel.com> Message-Id: <20191125003321.5669-3-yadong.qi@intel.com> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/i386/intel_iommu_internal.h')
-rw-r--r--hw/i386/intel_iommu_internal.h13
1 files changed, 10 insertions, 3 deletions
diff --git a/hw/i386/intel_iommu_internal.h b/hw/i386/intel_iommu_internal.h
index 1654f746bc..edcf9fc9bb 100644
--- a/hw/i386/intel_iommu_internal.h
+++ b/hw/i386/intel_iommu_internal.h
@@ -387,7 +387,9 @@ typedef union VTDInvDesc VTDInvDesc;
#define VTD_INV_DESC_DEVICE_IOTLB_RSVD_LO 0xffff0000ffe0fff8
/* Rsvd field masks for spte */
-#define VTD_SPTE_PAGE_L1_RSVD_MASK(aw) \
+#define VTD_SPTE_PAGE_L1_RSVD_MASK(aw, dt_supported) \
+ dt_supported ? \
+ (0x800ULL | ~(VTD_HAW_MASK(aw) | VTD_SL_IGN_COM | VTD_SL_TM)) : \
(0x800ULL | ~(VTD_HAW_MASK(aw) | VTD_SL_IGN_COM))
#define VTD_SPTE_PAGE_L2_RSVD_MASK(aw) \
(0x800ULL | ~(VTD_HAW_MASK(aw) | VTD_SL_IGN_COM))
@@ -396,9 +398,13 @@ typedef union VTDInvDesc VTDInvDesc;
#define VTD_SPTE_PAGE_L4_RSVD_MASK(aw) \
(0x880ULL | ~(VTD_HAW_MASK(aw) | VTD_SL_IGN_COM))
-#define VTD_SPTE_LPAGE_L2_RSVD_MASK(aw) \
+#define VTD_SPTE_LPAGE_L2_RSVD_MASK(aw, dt_supported) \
+ dt_supported ? \
+ (0x1ff800ULL | ~(VTD_HAW_MASK(aw) | VTD_SL_IGN_COM | VTD_SL_TM)) : \
(0x1ff800ULL | ~(VTD_HAW_MASK(aw) | VTD_SL_IGN_COM))
-#define VTD_SPTE_LPAGE_L3_RSVD_MASK(aw) \
+#define VTD_SPTE_LPAGE_L3_RSVD_MASK(aw, dt_supported) \
+ dt_supported ? \
+ (0x3ffff800ULL | ~(VTD_HAW_MASK(aw) | VTD_SL_IGN_COM | VTD_SL_TM)) : \
(0x3ffff800ULL | ~(VTD_HAW_MASK(aw) | VTD_SL_IGN_COM))
/* Information about page-selective IOTLB invalidate */
@@ -503,5 +509,6 @@ typedef struct VTDRootEntry VTDRootEntry;
#define VTD_SL_W (1ULL << 1)
#define VTD_SL_PT_BASE_ADDR_MASK(aw) (~(VTD_PAGE_SIZE - 1) & VTD_HAW_MASK(aw))
#define VTD_SL_IGN_COM 0xbff0000000000000ULL
+#define VTD_SL_TM (1ULL << 62)
#endif