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| author | Joerg Roedel <joerg.roedel@amd.com> | 2009-11-20 15:44:01 (GMT) |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2009-11-27 13:16:27 (GMT) |
| commit | aeb26f55337d4310840c8adc3ec7d6aebb714472 (patch) | |
| tree | 9ce73b81101613adf42fcee68860dc4e767e0fee /arch/x86/include | |
| parent | 601367d76bd19b7eea2286ae99e5b1cb5d74f38d (diff) | |
| download | linux-fsl-qoriq-aeb26f55337d4310840c8adc3ec7d6aebb714472.tar.xz | |
x86/amd-iommu: Implement protection domain list
This patch adds code to keep a global list of all protection
domains. This allows to simplify the resume code.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/amd_iommu_types.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/include/asm/amd_iommu_types.h b/arch/x86/include/asm/amd_iommu_types.h index e68b148..b332b7f 100644 --- a/arch/x86/include/asm/amd_iommu_types.h +++ b/arch/x86/include/asm/amd_iommu_types.h @@ -231,6 +231,7 @@ extern bool amd_iommu_dump; * independent of their use. */ struct protection_domain { + struct list_head list; /* for list of all protection domains */ spinlock_t lock; /* mostly used to lock the page table*/ u16 id; /* the domain id written to the device table */ int mode; /* paging mode (0-6 levels) */ @@ -376,6 +377,12 @@ extern struct amd_iommu *amd_iommus[MAX_IOMMUS]; extern int amd_iommus_present; /* + * Declarations for the global list of all protection domains + */ +extern spinlock_t amd_iommu_pd_lock; +extern struct list_head amd_iommu_pd_list; + +/* * Structure defining one entry in the device table */ struct dev_table_entry { |