diff options
| author | Mitchel Humpherys <mitchelh@codeaurora.org> | 2015-04-15 15:14:15 -0700 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-22 11:12:21 -0700 |
| commit | 7bd641abae32fb25bb77703102176cdcc34c6f0c (patch) | |
| tree | 27400bd4babb70e6a4dcec157559728bc918ecc9 | |
| parent | b7d9b48915c1ecff1d5f2f5a96878a0bb2a1fbf5 (diff) | |
iommu/arm-smmu: save the pgtbl_cfg in the domain
The pgtbl_cfg object has a few handy properties that we'd like to make
use of later (returning the pgd in a domain attribute, for example).
Keep track of the domain pgtbl_cfg in the domain structure.
Change-Id: Icce9638a270ca98d6ed6d61b3ef1c35d42a869dc
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
| -rw-r--r-- | drivers/iommu/arm-smmu.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 015e4e997ee1..baddfa084fdd 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -406,6 +406,7 @@ enum arm_smmu_domain_stage { struct arm_smmu_domain { struct arm_smmu_device *smmu; struct io_pgtable_ops *pgtbl_ops; + struct io_pgtable_cfg pgtbl_cfg; spinlock_t pgtbl_lock; struct arm_smmu_cfg cfg; enum arm_smmu_domain_stage stage; @@ -1093,7 +1094,6 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, int irq, start, ret = 0; unsigned long ias, oas; struct io_pgtable_ops *pgtbl_ops; - struct io_pgtable_cfg pgtbl_cfg; enum io_pgtable_fmt fmt; struct arm_smmu_domain *smmu_domain = domain->priv; struct arm_smmu_cfg *cfg = &smmu_domain->cfg; @@ -1168,7 +1168,7 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, cfg->irptndx = cfg->cbndx; } - pgtbl_cfg = (struct io_pgtable_cfg) { + smmu_domain->pgtbl_cfg = (struct io_pgtable_cfg) { .pgsize_bitmap = arm_smmu_ops.pgsize_bitmap, .ias = ias, .oas = oas, @@ -1176,17 +1176,18 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, }; smmu_domain->smmu = smmu; - pgtbl_ops = alloc_io_pgtable_ops(fmt, &pgtbl_cfg, smmu_domain); + pgtbl_ops = alloc_io_pgtable_ops(fmt, &smmu_domain->pgtbl_cfg, + smmu_domain); if (!pgtbl_ops) { ret = -ENOMEM; goto out_clear_smmu; } /* Update our support page sizes to reflect the page table format */ - arm_smmu_ops.pgsize_bitmap = pgtbl_cfg.pgsize_bitmap; + arm_smmu_ops.pgsize_bitmap = smmu_domain->pgtbl_cfg.pgsize_bitmap; /* Initialise the context bank with our page table cfg */ - arm_smmu_init_context_bank(smmu_domain, &pgtbl_cfg); + arm_smmu_init_context_bank(smmu_domain, &smmu_domain->pgtbl_cfg); /* * Request context fault interrupt. Do this last to avoid the |