Messages in this thread Patch in this message | | | From | Jacob Pan <> | Subject | [PATCH v2 17/19] iommu: Add max num of cache and granu types | Date | Tue, 23 Apr 2019 16:31:17 -0700 |
| |
To convert to/from cache types and granularities between generic and VT-d specific counterparts, a 2D arrary is used. Introduce the limits to help define the converstion array size.
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> --- include/uapi/linux/iommu.h | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/include/uapi/linux/iommu.h b/include/uapi/linux/iommu.h index 5c95905..2d8fac8 100644 --- a/include/uapi/linux/iommu.h +++ b/include/uapi/linux/iommu.h @@ -197,6 +197,7 @@ struct iommu_inv_addr_info { __u64 granule_size; __u64 nb_granules; }; +#define NR_IOMMU_CACHE_INVAL_GRANU (3) /** * First level/stage invalidation information @@ -235,6 +236,7 @@ struct iommu_cache_invalidate_info { struct iommu_inv_addr_info addr_info; }; }; +#define NR_IOMMU_CACHE_TYPE (3) /** * struct gpasid_bind_data - Information about device and guest PASID binding * @gcr3: Guest CR3 value from guest mm -- 2.7.4
| |