cf3014ddc1
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 <eric.auger@redhat.com> Signed-off-by: Kunkun Jiang <jiangkunkun@huawei.com>
46 lines
1.6 KiB
Diff
46 lines
1.6 KiB
Diff
From 6fc85d8a6022d94ffec4cc118472cde583706bfb Mon Sep 17 00:00:00 2001
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From: Eric Auger <eric.auger@redhat.com>
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Date: Thu, 9 Aug 2018 20:56:44 +0200
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Subject: [PATCH] hw/arm/smmuv3: Store the PASID table GPA in the translation
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config
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For VFIO integration we will need to pass the Context Descriptor (CD)
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table GPA to the host. The CD table is also referred to as the PASID
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table. Its GPA corresponds to the s1ctrptr field of the Stream Table
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Entry. So let's decode and store it in the configuration structure.
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Signed-off-by: Eric Auger <eric.auger@redhat.com>
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Signed-off-by: Kunkun Jiang <jiangkunkun@huawei.com>
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---
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hw/arm/smmuv3.c | 1 +
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include/hw/arm/smmu-common.h | 1 +
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2 files changed, 2 insertions(+)
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diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c
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index 83d59b6d28..f8e721f949 100644
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--- a/hw/arm/smmuv3.c
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+++ b/hw/arm/smmuv3.c
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@@ -352,6 +352,7 @@ static int decode_ste(SMMUv3State *s, SMMUTransCfg *cfg,
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"SMMUv3 S1 stalling fault model not allowed yet\n");
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goto bad_ste;
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}
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+ cfg->s1ctxptr = STE_CTXPTR(ste);
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return 0;
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bad_ste:
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diff --git a/include/hw/arm/smmu-common.h b/include/hw/arm/smmu-common.h
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index 1f37844e5c..353668f4ea 100644
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--- a/include/hw/arm/smmu-common.h
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+++ b/include/hw/arm/smmu-common.h
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@@ -68,6 +68,7 @@ typedef struct SMMUTransCfg {
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uint8_t tbi; /* Top Byte Ignore */
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uint16_t asid;
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SMMUTransTableInfo tt[2];
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+ dma_addr_t s1ctxptr;
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uint32_t iotlb_hits; /* counts IOTLB hits for this asid */
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uint32_t iotlb_misses; /* counts IOTLB misses for this asid */
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} SMMUTransCfg;
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--
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2.27.0
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