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authorEric Auger <eric.auger@redhat.com>2018-05-04 18:05:51 +0100
committerPeter Maydell <peter.maydell@linaro.org>2018-05-04 18:05:51 +0100
commit93641948d4c85f261be1f25a0bdc2ded3476e7d9 (patch)
treed9274c778026a8175e2299f0ca1038f12fbdabbf /include/hw/arm/smmu-common.h
parentcac994ef43b128c80c56b4cd4dd9d8af0f95da3f (diff)
downloadqemu-93641948d4c85f261be1f25a0bdc2ded3476e7d9.zip
hw/arm/smmu-common: VMSAv8-64 page table walk
This patch implements the page table walk for VMSAv8-64. Signed-off-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Prem Mallappa <prem.mallappa@broadcom.com> Message-id: 1524665762-31355-4-git-send-email-eric.auger@redhat.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/hw/arm/smmu-common.h')
-rw-r--r--include/hw/arm/smmu-common.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/hw/arm/smmu-common.h b/include/hw/arm/smmu-common.h
index 8b947774b0..c41eb5c3b0 100644
--- a/include/hw/arm/smmu-common.h
+++ b/include/hw/arm/smmu-common.h
@@ -128,4 +128,18 @@ static inline uint16_t smmu_get_sid(SMMUDevice *sdev)
{
return PCI_BUILD_BDF(pci_bus_num(sdev->bus), sdev->devfn);
}
+
+/**
+ * smmu_ptw - Perform the page table walk for a given iova / access flags
+ * pair, according to @cfg translation config
+ */
+int smmu_ptw(SMMUTransCfg *cfg, dma_addr_t iova, IOMMUAccessFlags perm,
+ IOMMUTLBEntry *tlbe, SMMUPTWEventInfo *info);
+
+/**
+ * select_tt - compute which translation table shall be used according to
+ * the input iova and translation config and return the TT specific info
+ */
+SMMUTransTableInfo *select_tt(SMMUTransCfg *cfg, dma_addr_t iova);
+
#endif /* HW_ARM_SMMU_COMMON */