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[PATCH] hw/arm/smmuv3: Fix device reset
From: |
Eric Auger |
Subject: |
[PATCH] hw/arm/smmuv3: Fix device reset |
Date: |
Wed, 2 Feb 2022 12:16:02 +0100 |
We currently miss a bunch of register resets in the device reset
function. This sometimes prevents the guest from rebooting after
a system_reset (with virtio-blk-pci). For instance, we may get
the following errors:
invalid STE
smmuv3-iommu-memory-region-0-0 translation failed for
iova=0x13a9d2000(SMMU_EVT_C_BAD_STE)
Invalid read at addr 0x13A9D2000, size 2, region '(null)', reason: rejected
invalid STE
smmuv3-iommu-memory-region-0-0 translation failed for
iova=0x13a9d2000(SMMU_EVT_C_BAD_STE)
Invalid write at addr 0x13A9D2000, size 2, region '(null)', reason: rejected
invalid STE
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Fixes: 10a83cb988 ("hw/arm/smmuv3: Skeleton")
---
hw/arm/smmuv3.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c
index 3b43368be0f..674623aabea 100644
--- a/hw/arm/smmuv3.c
+++ b/hw/arm/smmuv3.c
@@ -278,6 +278,12 @@ static void smmuv3_init_regs(SMMUv3State *s)
s->features = 0;
s->sid_split = 0;
s->aidr = 0x1;
+ s->cr[0] = 0;
+ s->cr0ack = 0;
+ s->irq_ctrl = 0;
+ s->gerror = 0;
+ s->gerrorn = 0;
+ s->statusr = 0;
}
static int smmu_get_ste(SMMUv3State *s, dma_addr_t addr, STE *buf,
--
2.26.3
- [PATCH] hw/arm/smmuv3: Fix device reset,
Eric Auger <=