diff --git a/hw-arm-smmuv3-Store-the-PASID-table-GPA-in-the-trans.patch b/hw-arm-smmuv3-Store-the-PASID-table-GPA-in-the-trans.patch new file mode 100644 index 0000000..3bbf1da --- /dev/null +++ b/hw-arm-smmuv3-Store-the-PASID-table-GPA-in-the-trans.patch @@ -0,0 +1,45 @@ +From f937ce4124d57eea27d516957a2efa0e7fbdf198 Mon Sep 17 00:00:00 2001 +From: Eric Auger +Date: Thu, 9 Aug 2018 20:56:44 +0200 +Subject: [PATCH] hw/arm/smmuv3: Store the PASID table GPA in the translation + config + +For VFIO integration we will need to pass the Context Descriptor (CD) +table GPA to the host. The CD table is also referred to as the PASID +table. Its GPA corresponds to the s1ctrptr field of the Stream Table +Entry. So let's decode and store it in the configuration structure. + +Signed-off-by: Eric Auger +Signed-off-by: Kunkun Jiang +--- + hw/arm/smmuv3.c | 1 + + include/hw/arm/smmu-common.h | 1 + + 2 files changed, 2 insertions(+) + +diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c +index 12f354a0d5..3416f6a639 100644 +--- a/hw/arm/smmuv3.c ++++ b/hw/arm/smmuv3.c +@@ -358,6 +358,7 @@ static int decode_ste(SMMUv3State *s, SMMUTransCfg *cfg, + "SMMUv3 S1 stalling fault model not allowed yet\n"); + goto bad_ste; + } ++ cfg->s1ctxptr = STE_CTXPTR(ste); + return 0; + + bad_ste: +diff --git a/include/hw/arm/smmu-common.h b/include/hw/arm/smmu-common.h +index 706be3c6d0..d578339935 100644 +--- a/include/hw/arm/smmu-common.h ++++ b/include/hw/arm/smmu-common.h +@@ -76,6 +76,7 @@ typedef struct SMMUTransCfg { + uint8_t tbi; /* Top Byte Ignore */ + uint16_t asid; + SMMUTransTableInfo tt[2]; ++ dma_addr_t s1ctxptr; + uint32_t iotlb_hits; /* counts IOTLB hits for this asid */ + uint32_t iotlb_misses; /* counts IOTLB misses for this asid */ + } SMMUTransCfg; +-- +2.27.0 +