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| author | Mitchel Humpherys <mitchelh@codeaurora.org> | 2015-07-30 19:39:15 -0700 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-22 11:13:43 -0700 |
| commit | 880ae03739cb6e7f06ccabbb62016fc024718d35 (patch) | |
| tree | 8c76e60b2991024c479b6d75b2af6dc06e12f00e | |
| parent | 3dfe618eb32f536d0960cb95c322e25912cb8203 (diff) | |
iommu/arm-smmu: Add getter for DOMAIN_ATTR_SECURE_VMID
It can be useful to query a previously set secure VMID. Add a domain
attribute getter for this.
Change-Id: Iaf14201d321161ce4ccc69b674a3b1247d6a7e94
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
| -rw-r--r-- | drivers/iommu/arm-smmu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 11468a804ad9..38e95fea3f28 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -2278,6 +2278,10 @@ static int arm_smmu_domain_get_attr(struct iommu_domain *domain, (1 << DOMAIN_ATTR_COHERENT_HTW_DISABLE)); ret = 0; break; + case DOMAIN_ATTR_SECURE_VMID: + *((int *)data) = smmu_domain->secure_vmid; + ret = 0; + break; case DOMAIN_ATTR_PT_BASE_ADDR: *((phys_addr_t *)data) = smmu_domain->pgtbl_cfg.arm_lpae_s1_cfg.ttbr[0]; |