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| author | Vasant Hegde <vasant.hegde@amd.com> | 2022-08-25 06:39:36 +0000 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2022-09-07 16:12:35 +0200 |
| commit | aaac38f614871df252aa7459647bf68d42f7c3e7 (patch) | |
| tree | d3ffddd3ebef1fb2fa6fd4a0c1365f75eb58bb44 /include/linux/io-pgtable.h | |
| parent | be1af02b277417be735d8513195e5ba1bc3c3a3d (diff) | |
| download | linux-aaac38f614871df252aa7459647bf68d42f7c3e7.tar.gz linux-aaac38f614871df252aa7459647bf68d42f7c3e7.tar.bz2 linux-aaac38f614871df252aa7459647bf68d42f7c3e7.zip | |
iommu/amd: Initial support for AMD IOMMU v2 page table
Introduce IO page table framework support for AMD IOMMU v2 page table.
This patch implements 4 level page table within iommu amd driver and
supports 4K/2M/1G page sizes.
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Link: https://lore.kernel.org/r/20220825063939.8360-7-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'include/linux/io-pgtable.h')
| -rw-r--r-- | include/linux/io-pgtable.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/io-pgtable.h b/include/linux/io-pgtable.h index ca98aeadcc80..ffe616db9409 100644 --- a/include/linux/io-pgtable.h +++ b/include/linux/io-pgtable.h @@ -16,6 +16,7 @@ enum io_pgtable_fmt { ARM_V7S, ARM_MALI_LPAE, AMD_IOMMU_V1, + AMD_IOMMU_V2, APPLE_DART, IO_PGTABLE_NUM_FMTS, }; @@ -260,6 +261,7 @@ extern struct io_pgtable_init_fns io_pgtable_arm_64_lpae_s2_init_fns; extern struct io_pgtable_init_fns io_pgtable_arm_v7s_init_fns; extern struct io_pgtable_init_fns io_pgtable_arm_mali_lpae_init_fns; extern struct io_pgtable_init_fns io_pgtable_amd_iommu_v1_init_fns; +extern struct io_pgtable_init_fns io_pgtable_amd_iommu_v2_init_fns; extern struct io_pgtable_init_fns io_pgtable_apple_dart_init_fns; #endif /* __IO_PGTABLE_H */ |