diff options
Diffstat (limited to 'drivers/iommu/intel/iommu.h')
| -rw-r--r-- | drivers/iommu/intel/iommu.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h index 06e61e474856..f89f63d7a72a 100644 --- a/drivers/iommu/intel/iommu.h +++ b/drivers/iommu/intel/iommu.h @@ -438,6 +438,11 @@ struct q_inval { int free_cnt; }; +/* Page Request Queue depth */ +#define PRQ_ORDER 4 +#define PRQ_RING_MASK ((0x1000 << PRQ_ORDER) - 0x20) +#define PRQ_DEPTH ((0x1000 << PRQ_ORDER) >> 5) + struct dmar_pci_notify_info; #ifdef CONFIG_IRQ_REMAP |