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| author | Vasant Hegde <vasant.hegde@amd.com> | 2023-06-09 09:03:27 +0000 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2023-06-16 16:30:59 +0200 |
| commit | 85751a8af5c9cf8724a71735ba0962bbd5fccfad (patch) | |
| tree | b6a15e6666d3567172bb7aeb909109cee8d47753 /drivers/iommu | |
| parent | 1ce018df87640adb139c8418785ad3b6e4376bd3 (diff) | |
| download | linux-stable-85751a8af5c9cf8724a71735ba0962bbd5fccfad.tar.gz linux-stable-85751a8af5c9cf8724a71735ba0962bbd5fccfad.tar.bz2 linux-stable-85751a8af5c9cf8724a71735ba0962bbd5fccfad.zip | |
iommu/amd: Fix DTE_IRQ_PHYS_ADDR_MASK macro
Interrupt Table Root Pointer is 52 bit and table must be aligned to start
on a 128-byte boundary. Hence first 6 bits are ignored.
Current code uses address mask as 45 instead of 46bit. Use GENMASK_ULL
macro instead of manually generating address mask.
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Link: https://lore.kernel.org/r/20230609090327.5923-1-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/amd/amd_iommu_types.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/amd/amd_iommu_types.h b/drivers/iommu/amd/amd_iommu_types.h index 5a4e04404cfd..7d957864c77e 100644 --- a/drivers/iommu/amd/amd_iommu_types.h +++ b/drivers/iommu/amd/amd_iommu_types.h @@ -284,7 +284,7 @@ #define AMD_IOMMU_PGSIZES_V2 (PAGE_SIZE | (1ULL << 21) | (1ULL << 30)) /* Bit value definition for dte irq remapping fields*/ -#define DTE_IRQ_PHYS_ADDR_MASK (((1ULL << 45)-1) << 6) +#define DTE_IRQ_PHYS_ADDR_MASK GENMASK_ULL(51, 6) #define DTE_IRQ_REMAP_INTCTL_MASK (0x3ULL << 60) #define DTE_IRQ_REMAP_INTCTL (2ULL << 60) #define DTE_IRQ_REMAP_ENABLE 1ULL |