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| author | Eric Auger <eric.auger@redhat.com> | 2018-05-04 18:05:51 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2018-05-04 18:05:51 +0100 |
| commit | 93641948d4c85f261be1f25a0bdc2ded3476e7d9 (patch) | |
| tree | d9274c778026a8175e2299f0ca1038f12fbdabbf /include/hw | |
| parent | cac994ef43b128c80c56b4cd4dd9d8af0f95da3f (diff) | |
| download | qemu-93641948d4c85f261be1f25a0bdc2ded3476e7d9.tar.gz | |
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')
| -rw-r--r-- | include/hw/arm/smmu-common.h | 14 |
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 */ |