diff options
Diffstat (limited to 'arch/x86/kernel/amd_iommu.c')
| -rw-r--r-- | arch/x86/kernel/amd_iommu.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 826ad079efc..92b0e1881e0 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -460,6 +460,24 @@ void amd_iommu_flush_all_domains(void) } } +void amd_iommu_flush_all_devices(void) +{ + struct amd_iommu *iommu; + int i; + + for (i = 0; i <= amd_iommu_last_bdf; ++i) { + if (amd_iommu_pd_table[i] == NULL) + continue; + + iommu = amd_iommu_rlookup_table[i]; + if (!iommu) + continue; + + iommu_queue_inv_dev_entry(iommu, i); + iommu_completion_wait(iommu); + } +} + /**************************************************************************** * * The functions below are used the create the page table mappings for |