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authorJason Gunthorpe <jgg@nvidia.com>2023-09-27 20:47:38 -0300
committerJoerg Roedel <jroedel@suse.de>2023-10-26 16:54:25 +0200
commit482feb5c649261cd2a7ad02e4ca63c159d6ec795 (patch)
tree1524844c15e93ffd66cfd9fff99d9c7b6f4e1325
parent9c3ef90c4ccbee0a000b0f6b1b28c38773de87c7 (diff)
iommu/dart: Call apple_dart_finalize_domain() as part of alloc_paging()
In many cases the dev argument will now be !NULL so we should use it to finalize the domain at allocation. Make apple_dart_finalize_domain() accept the correct type. Reviewed-by: Janne Grunau <j@jannau.net> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Acked-by: Sven Peter <sven@svenpeter.dev> Link: https://lore.kernel.org/r/8-v2-bff223cf6409+282-dart_paging_jgg@nvidia.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
-rw-r--r--drivers/iommu/apple-dart.c28
1 files changed, 19 insertions, 9 deletions
diff --git a/drivers/iommu/apple-dart.c b/drivers/iommu/apple-dart.c
index 2566cf3111c7..126da0d89f0d 100644
--- a/drivers/iommu/apple-dart.c
+++ b/drivers/iommu/apple-dart.c
@@ -568,10 +568,9 @@ apple_dart_setup_translation(struct apple_dart_domain *domain,
stream_map->dart->hw->invalidate_tlb(stream_map);
}
-static int apple_dart_finalize_domain(struct iommu_domain *domain,
+static int apple_dart_finalize_domain(struct apple_dart_domain *dart_domain,
struct apple_dart_master_cfg *cfg)
{
- struct apple_dart_domain *dart_domain = to_dart_domain(domain);
struct apple_dart *dart = cfg->stream_maps[0].dart;
struct io_pgtable_cfg pgtbl_cfg;
int ret = 0;
@@ -597,17 +596,18 @@ static int apple_dart_finalize_domain(struct iommu_domain *domain,
.iommu_dev = dart->dev,
};
- dart_domain->pgtbl_ops =
- alloc_io_pgtable_ops(dart->hw->fmt, &pgtbl_cfg, domain);
+ dart_domain->pgtbl_ops = alloc_io_pgtable_ops(dart->hw->fmt, &pgtbl_cfg,
+ &dart_domain->domain);
if (!dart_domain->pgtbl_ops) {
ret = -ENOMEM;
goto done;
}
- domain->pgsize_bitmap = pgtbl_cfg.pgsize_bitmap;
- domain->geometry.aperture_start = 0;
- domain->geometry.aperture_end = (dma_addr_t)DMA_BIT_MASK(dart->ias);
- domain->geometry.force_aperture = true;
+ dart_domain->domain.pgsize_bitmap = pgtbl_cfg.pgsize_bitmap;
+ dart_domain->domain.geometry.aperture_start = 0;
+ dart_domain->domain.geometry.aperture_end =
+ (dma_addr_t)DMA_BIT_MASK(dart->ias);
+ dart_domain->domain.geometry.force_aperture = true;
dart_domain->finalized = true;
@@ -662,7 +662,7 @@ static int apple_dart_attach_dev_paging(struct iommu_domain *domain,
if (cfg->stream_maps[0].dart->force_bypass)
return -EINVAL;
- ret = apple_dart_finalize_domain(domain, cfg);
+ ret = apple_dart_finalize_domain(dart_domain, cfg);
if (ret)
return ret;
@@ -758,6 +758,16 @@ static struct iommu_domain *apple_dart_domain_alloc_paging(struct device *dev)
mutex_init(&dart_domain->init_lock);
+ if (dev) {
+ struct apple_dart_master_cfg *cfg = dev_iommu_priv_get(dev);
+ int ret;
+
+ ret = apple_dart_finalize_domain(dart_domain, cfg);
+ if (ret) {
+ kfree(dart_domain);
+ return ERR_PTR(ret);
+ }
+ }
return &dart_domain->domain;
}