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iommu/arm-smmu: Remove "leaf" indirection

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Now that the "leaf" flag is no longer part of an external interface,
there's no need to use it to infer a register offset at runtime when
we can just as easily encode the offset directly in its place.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Robin Murphy 2019-09-18 17:17:49 +01:00 committed by Will Deacon
parent 3f3b8d0c9c
commit 3370cb6bf6
1 changed files with 16 additions and 13 deletions
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29
drivers/iommu/arm-smmu.c
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@ -312,18 +312,16 @@ static void arm_smmu_tlb_inv_context_s2(void *cookie)
}
static void arm_smmu_tlb_inv_range_s1(unsigned long iova, size_t size,
size_t granule, void *cookie, bool leaf)
size_t granule, void *cookie, int reg)
{
struct arm_smmu_domain *smmu_domain = cookie;
struct arm_smmu_device *smmu = smmu_domain->smmu;
struct arm_smmu_cfg *cfg = &smmu_domain->cfg;
int reg, idx = cfg->cbndx;
int idx = cfg->cbndx;
if (smmu->features & ARM_SMMU_FEAT_COHERENT_WALK)
wmb();
reg = leaf ? ARM_SMMU_CB_S1_TLBIVAL : ARM_SMMU_CB_S1_TLBIVA;
if (cfg->fmt != ARM_SMMU_CTX_FMT_AARCH64) {
iova = (iova >> 12) << 12;
iova |= cfg->asid;
@ -342,16 +340,15 @@ static void arm_smmu_tlb_inv_range_s1(unsigned long iova, size_t size,
}
static void arm_smmu_tlb_inv_range_s2(unsigned long iova, size_t size,
size_t granule, void *cookie, bool leaf)
size_t granule, void *cookie, int reg)
{
struct arm_smmu_domain *smmu_domain = cookie;
struct arm_smmu_device *smmu = smmu_domain->smmu;
int reg, idx = smmu_domain->cfg.cbndx;
int idx = smmu_domain->cfg.cbndx;
if (smmu->features & ARM_SMMU_FEAT_COHERENT_WALK)
wmb();
reg = leaf ? ARM_SMMU_CB_S2_TLBIIPAS2L : ARM_SMMU_CB_S2_TLBIIPAS2;
iova >>= 12;
do {
if (smmu_domain->cfg.fmt == ARM_SMMU_CTX_FMT_AARCH64)
@ -365,14 +362,16 @@ static void arm_smmu_tlb_inv_range_s2(unsigned long iova, size_t size,
static void arm_smmu_tlb_inv_walk_s1(unsigned long iova, size_t size,
size_t granule, void *cookie)
{
arm_smmu_tlb_inv_range_s1(iova, size, granule, cookie, false);
arm_smmu_tlb_inv_range_s1(iova, size, granule, cookie,
ARM_SMMU_CB_S1_TLBIVA);
arm_smmu_tlb_sync_context(cookie);
}
static void arm_smmu_tlb_inv_leaf_s1(unsigned long iova, size_t size,
size_t granule, void *cookie)
{
arm_smmu_tlb_inv_range_s1(iova, size, granule, cookie, true);
arm_smmu_tlb_inv_range_s1(iova, size, granule, cookie,
ARM_SMMU_CB_S1_TLBIVAL);
arm_smmu_tlb_sync_context(cookie);
}
@ -380,20 +379,23 @@ static void arm_smmu_tlb_add_page_s1(struct iommu_iotlb_gather *gather,
unsigned long iova, size_t granule,
void *cookie)
{
arm_smmu_tlb_inv_range_s1(iova, granule, granule, cookie, true);
arm_smmu_tlb_inv_range_s1(iova, granule, granule, cookie,
ARM_SMMU_CB_S1_TLBIVAL);
}
static void arm_smmu_tlb_inv_walk_s2(unsigned long iova, size_t size,
size_t granule, void *cookie)
{
arm_smmu_tlb_inv_range_s2(iova, size, granule, cookie, false);
arm_smmu_tlb_inv_range_s2(iova, size, granule, cookie,
ARM_SMMU_CB_S2_TLBIIPAS2);
arm_smmu_tlb_sync_context(cookie);
}
static void arm_smmu_tlb_inv_leaf_s2(unsigned long iova, size_t size,
size_t granule, void *cookie)
{
arm_smmu_tlb_inv_range_s2(iova, size, granule, cookie, true);
arm_smmu_tlb_inv_range_s2(iova, size, granule, cookie,
ARM_SMMU_CB_S2_TLBIIPAS2L);
arm_smmu_tlb_sync_context(cookie);
}
@ -401,7 +403,8 @@ static void arm_smmu_tlb_add_page_s2(struct iommu_iotlb_gather *gather,
unsigned long iova, size_t granule,
void *cookie)
{
arm_smmu_tlb_inv_range_s2(iova, granule, granule, cookie, true);
arm_smmu_tlb_inv_range_s2(iova, granule, granule, cookie,
ARM_SMMU_CB_S2_TLBIIPAS2L);
}
static void arm_smmu_tlb_inv_any_s2_v1(unsigned long iova, size_t size,