diff options
Diffstat (limited to 'drivers/iommu/amd/init.c')
| -rw-r--r-- | drivers/iommu/amd/init.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c index 7fab6ecb6295..e78d7c4f41bd 100644 --- a/drivers/iommu/amd/init.c +++ b/drivers/iommu/amd/init.c @@ -800,6 +800,17 @@ void amd_iommu_restart_ga_log(struct amd_iommu *iommu) } /* + * This function restarts ppr logging in case the IOMMU experienced + * PPR log overflow. + */ +void amd_iommu_restart_ppr_log(struct amd_iommu *iommu) +{ + amd_iommu_restart_log(iommu, "PPR", CONTROL_PPRINT_EN, + CONTROL_PPRLOG_EN, MMIO_STATUS_PPR_RUN_MASK, + MMIO_STATUS_PPR_OVERFLOW_MASK); +} + +/* * This function resets the command buffer if the IOMMU stopped fetching * commands from it. */ |