diff options
| author | Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> | 2020-12-15 01:36:55 -0600 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2021-01-28 16:51:17 +0100 |
| commit | d2272ec7f946470e861b77572a2f31325faf59c6 (patch) | |
| tree | 64ae291956364ef26b812c61b3a44b9ea4941045 /drivers/iommu/amd | |
| parent | c9b258c6be09283663c6851725b322568d867c0b (diff) | |
iommu/amd: Move pt_root to struct amd_io_pgtable
To better organize the data structure since it contains IO page table
related information.
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/20201215073705.123786-4-suravee.suthikulpanit@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/amd')
| -rw-r--r-- | drivers/iommu/amd/amd_iommu.h | 2 | ||||
| -rw-r--r-- | drivers/iommu/amd/amd_iommu_types.h | 2 | ||||
| -rw-r--r-- | drivers/iommu/amd/iommu.c | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/drivers/iommu/amd/amd_iommu.h b/drivers/iommu/amd/amd_iommu.h index 0817bc732d1a..b8dae3941f0f 100644 --- a/drivers/iommu/amd/amd_iommu.h +++ b/drivers/iommu/amd/amd_iommu.h @@ -105,7 +105,7 @@ static inline void *iommu_phys_to_virt(unsigned long paddr) static inline void amd_iommu_domain_set_pt_root(struct protection_domain *domain, u64 root) { - atomic64_set(&domain->pt_root, root); + atomic64_set(&domain->iop.pt_root, root); } static inline diff --git a/drivers/iommu/amd/amd_iommu_types.h b/drivers/iommu/amd/amd_iommu_types.h index b2365924d898..a50f117879f2 100644 --- a/drivers/iommu/amd/amd_iommu_types.h +++ b/drivers/iommu/amd/amd_iommu_types.h @@ -498,6 +498,7 @@ struct amd_io_pgtable { struct io_pgtable iop; int mode; u64 *root; + atomic64_t pt_root; /* pgtable root and pgtable mode */ }; /* @@ -511,7 +512,6 @@ struct protection_domain { struct amd_io_pgtable iop; spinlock_t lock; /* mostly used to lock the page table*/ u16 id; /* the domain id written to the device table */ - atomic64_t pt_root; /* pgtable root and pgtable mode */ int glx; /* Number of levels for GCR3 table */ u64 *gcr3_tbl; /* Guest CR3 table */ unsigned long flags; /* flags to find out type of domain */ diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index 18d8c97f681e..2a4730380462 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -144,7 +144,7 @@ static struct protection_domain *to_pdomain(struct iommu_domain *dom) static void amd_iommu_domain_get_pgtable(struct protection_domain *domain, struct domain_pgtable *pgtable) { - u64 pt_root = atomic64_read(&domain->pt_root); + u64 pt_root = atomic64_read(&domain->iop.pt_root); pgtable->root = (u64 *)(pt_root & PAGE_MASK); pgtable->mode = pt_root & 7; /* lowest 3 bits encode pgtable mode */ |