diff options
| author | Tina Zhang <tina.zhang@intel.com> | 2023-10-27 03:05:23 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2023-12-12 12:11:30 +0300 |
| commit | 541a3e257d48c16b77d19f39ed939ef5832046df (patch) | |
| tree | b2c8e79a1b47012bec4ef940931a68748eb7927e | |
| parent | 2396046d75d3c0b2cfead852a77efd023f8539dc (diff) | |
| download | linux-541a3e257d48c16b77d19f39ed939ef5832046df.tar.xz | |
mm: Add structure to keep sva information
Introduce iommu_mm_data structure to keep sva information (pasid and the
related sva domains). Add iommu_mm pointer, pointing to an instance of
iommu_mm_data structure, to mm.
Reviewed-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20231027000525.1278806-5-tina.zhang@intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
| -rw-r--r-- | include/linux/iommu.h | 5 | ||||
| -rw-r--r-- | include/linux/mm_types.h | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 4fb239c6ca8d..f7b1b469e98d 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -812,6 +812,11 @@ struct iommu_sva { struct iommu_domain *domain; }; +struct iommu_mm_data { + u32 pasid; + struct list_head sva_domains; +}; + int iommu_fwspec_init(struct device *dev, struct fwnode_handle *iommu_fwnode, const struct iommu_ops *ops); void iommu_fwspec_free(struct device *dev); diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 41f248608dd9..0b4314fab478 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -727,6 +727,7 @@ struct mm_cid { #endif struct kioctx_table; +struct iommu_mm_data; struct mm_struct { struct { /* @@ -940,6 +941,7 @@ struct mm_struct { #ifdef CONFIG_IOMMU_MM_DATA u32 pasid; + struct iommu_mm_data *iommu_mm; #endif #ifdef CONFIG_KSM /* |