summaryrefslogtreecommitdiff
path: root/arch/x86/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/amd_iommu.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 64cc582..2dc0933 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -516,6 +516,19 @@ void amd_iommu_flush_all_domains(void)
flush_all_domains_on_iommu(iommu);
}
+static void flush_all_devices_for_iommu(struct amd_iommu *iommu)
+{
+ int i;
+
+ for (i = 0; i <= amd_iommu_last_bdf; ++i) {
+ if (iommu != amd_iommu_rlookup_table[i])
+ continue;
+
+ iommu_queue_inv_dev_entry(iommu, i);
+ iommu_completion_wait(iommu);
+ }
+}
+
void amd_iommu_flush_all_devices(void)
{
struct amd_iommu *iommu;