smmu_iommu_mr() aims at returning the IOMMUMemoryRegion corresponding
to a given sid. The function extracts both the PCIe bus number and
the devfn to return this data. Current computation of devfn is wrong
as it only returns the PCIe function instead of slot | function.
Fixes
32cfd7f39e08 ("hw/arm/smmuv3: Cache/invalidate config data")
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Message-id:
1530775623-32399-1-git-send-email-eric.auger@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
bus_n = PCI_BUS_NUM(sid);
smmu_bus = smmu_find_smmu_pcibus(s, bus_n);
if (smmu_bus) {
- devfn = sid & 0x7;
+ devfn = SMMU_PCI_DEVFN(sid);
smmu = smmu_bus->pbdev[devfn];
if (smmu) {
return &smmu->iommu;
#define SMMU_PCI_BUS_MAX 256
#define SMMU_PCI_DEVFN_MAX 256
+#define SMMU_PCI_DEVFN(sid) (sid & 0xFF)
#define SMMU_MAX_VA_BITS 48