diff options
| author | Joerg Roedel <joerg.roedel@amd.com> | 2009-08-26 15:26:30 +0200 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2009-09-03 16:15:42 +0200 |
| commit | 0feae533ddebe02cda6ccce5cac7349b446776a8 (patch) | |
| tree | d9c82d7ebec45d96194aeaf27acfbbd2015545ac /arch/x86/include/asm/amd_iommu.h | |
| parent | 2650815fb03fe2bf1e6701584087ba669dcf92cd (diff) | |
x86/amd-iommu: Add passthrough mode initialization functions
When iommu=pt is passed on kernel command line the devices
should run untranslated. This requires the allocation of a
special domain for that purpose. This patch implements the
allocation and initialization path for iommu=pt.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'arch/x86/include/asm/amd_iommu.h')
| -rw-r--r-- | arch/x86/include/asm/amd_iommu.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/amd_iommu.h b/arch/x86/include/asm/amd_iommu.h index bdf96f119f0..ac95995b7ba 100644 --- a/arch/x86/include/asm/amd_iommu.h +++ b/arch/x86/include/asm/amd_iommu.h @@ -25,6 +25,7 @@ #ifdef CONFIG_AMD_IOMMU extern int amd_iommu_init(void); extern int amd_iommu_init_dma_ops(void); +extern int amd_iommu_init_passthrough(void); extern void amd_iommu_detect(void); extern irqreturn_t amd_iommu_int_handler(int irq, void *data); extern void amd_iommu_flush_all_domains(void); |