diff options
| author | Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> | 2020-12-15 01:37:01 -0600 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2021-01-28 16:51:17 +0100 |
| commit | 33aef9786046d9a5744cd1e8d5d0ce800d611fdc (patch) | |
| tree | e9833c7d4393e23319a5f73360fb7d8a39ff613b /drivers/iommu | |
| parent | 6eedb59c18a3be2b670e0adc68e46d22ebd42823 (diff) | |
iommu/amd: Rename variables to be consistent with struct io_pgtable_ops
There is no functional change.
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/20201215073705.123786-10-suravee.suthikulpanit@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/amd/io_pgtable.c | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/drivers/iommu/amd/io_pgtable.c b/drivers/iommu/amd/io_pgtable.c index bd8c65a39b1c..af6b7f11ebc3 100644 --- a/drivers/iommu/amd/io_pgtable.c +++ b/drivers/iommu/amd/io_pgtable.c @@ -387,9 +387,9 @@ static struct page *free_clear_pte(u64 *pte, u64 pteval, struct page *freelist) * and full 64 bit address spaces. */ int iommu_map_page(struct protection_domain *dom, - unsigned long bus_addr, - unsigned long phys_addr, - unsigned long page_size, + unsigned long iova, + unsigned long paddr, + unsigned long size, int prot, gfp_t gfp) { @@ -398,15 +398,15 @@ int iommu_map_page(struct protection_domain *dom, u64 __pte, *pte; int ret, i, count; - BUG_ON(!IS_ALIGNED(bus_addr, page_size)); - BUG_ON(!IS_ALIGNED(phys_addr, page_size)); + BUG_ON(!IS_ALIGNED(iova, size)); + BUG_ON(!IS_ALIGNED(paddr, size)); ret = -EINVAL; if (!(prot & IOMMU_PROT_MASK)) goto out; - count = PAGE_SIZE_PTE_COUNT(page_size); - pte = alloc_pte(dom, bus_addr, page_size, NULL, gfp, &updated); + count = PAGE_SIZE_PTE_COUNT(size); + pte = alloc_pte(dom, iova, size, NULL, gfp, &updated); ret = -ENOMEM; if (!pte) @@ -419,10 +419,10 @@ int iommu_map_page(struct protection_domain *dom, updated = true; if (count > 1) { - __pte = PAGE_SIZE_PTE(__sme_set(phys_addr), page_size); + __pte = PAGE_SIZE_PTE(__sme_set(paddr), size); __pte |= PM_LEVEL_ENC(7) | IOMMU_PTE_PR | IOMMU_PTE_FC; } else - __pte = __sme_set(phys_addr) | IOMMU_PTE_PR | IOMMU_PTE_FC; + __pte = __sme_set(paddr) | IOMMU_PTE_PR | IOMMU_PTE_FC; if (prot & IOMMU_PROT_IR) __pte |= IOMMU_PTE_IR; @@ -456,20 +456,19 @@ out: } unsigned long iommu_unmap_page(struct protection_domain *dom, - unsigned long bus_addr, - unsigned long page_size) + unsigned long iova, + unsigned long size) { unsigned long long unmapped; unsigned long unmap_size; u64 *pte; - BUG_ON(!is_power_of_2(page_size)); + BUG_ON(!is_power_of_2(size)); unmapped = 0; - while (unmapped < page_size) { - - pte = fetch_pte(dom, bus_addr, &unmap_size); + while (unmapped < size) { + pte = fetch_pte(dom, iova, &unmap_size); if (pte) { int i, count; @@ -479,7 +478,7 @@ unsigned long iommu_unmap_page(struct protection_domain *dom, pte[i] = 0ULL; } - bus_addr = (bus_addr & ~(unmap_size - 1)) + unmap_size; + iova = (iova & ~(unmap_size - 1)) + unmap_size; unmapped += unmap_size; } |