Use iommu_alloc_pages_node_sz() instead. AMD and Intel are both using 4K pages for these structures since those drivers only work on 4K PAGE_SIZE. riscv is also spec'd to use SZ_4K. Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx> --- drivers/iommu/amd/io_pgtable.c | 8 +++++--- drivers/iommu/amd/io_pgtable_v2.c | 4 ++-- drivers/iommu/amd/iommu.c | 2 +- drivers/iommu/intel/iommu.c | 13 ++++++++----- drivers/iommu/intel/pasid.c | 3 ++- drivers/iommu/iommu-pages.h | 13 ------------- drivers/iommu/riscv/iommu.c | 7 ++++--- 7 files changed, 22 insertions(+), 28 deletions(-) diff --git a/drivers/iommu/amd/io_pgtable.c b/drivers/iommu/amd/io_pgtable.c index 04d2b0883c3e32..2eb8a351ca91e4 100644 --- a/drivers/iommu/amd/io_pgtable.c +++ b/drivers/iommu/amd/io_pgtable.c @@ -121,7 +121,7 @@ static bool increase_address_space(struct amd_io_pgtable *pgtable, bool ret = true; u64 *pte; - pte = iommu_alloc_page_node(cfg->amd.nid, gfp); + pte = iommu_alloc_pages_node_sz(cfg->amd.nid, gfp, SZ_4K); if (!pte) return false; @@ -213,7 +213,8 @@ static u64 *alloc_pte(struct amd_io_pgtable *pgtable, if (!IOMMU_PTE_PRESENT(__pte) || pte_level == PAGE_MODE_NONE) { - page = iommu_alloc_page_node(cfg->amd.nid, gfp); + page = iommu_alloc_pages_node_sz(cfg->amd.nid, gfp, + SZ_4K); if (!page) return NULL; @@ -542,7 +543,8 @@ static struct io_pgtable *v1_alloc_pgtable(struct io_pgtable_cfg *cfg, void *coo { struct amd_io_pgtable *pgtable = io_pgtable_cfg_to_data(cfg); - pgtable->root = iommu_alloc_page_node(cfg->amd.nid, GFP_KERNEL); + pgtable->root = + iommu_alloc_pages_node_sz(cfg->amd.nid, GFP_KERNEL, SZ_4K); if (!pgtable->root) return NULL; pgtable->mode = PAGE_MODE_3_LEVEL; diff --git a/drivers/iommu/amd/io_pgtable_v2.c b/drivers/iommu/amd/io_pgtable_v2.c index cce3fc9861ef77..a07c22707037eb 100644 --- a/drivers/iommu/amd/io_pgtable_v2.c +++ b/drivers/iommu/amd/io_pgtable_v2.c @@ -152,7 +152,7 @@ static u64 *v2_alloc_pte(int nid, u64 *pgd, unsigned long iova, } if (!IOMMU_PTE_PRESENT(__pte)) { - page = iommu_alloc_page_node(nid, gfp); + page = iommu_alloc_pages_node_sz(nid, gfp, SZ_4K); if (!page) return NULL; @@ -346,7 +346,7 @@ static struct io_pgtable *v2_alloc_pgtable(struct io_pgtable_cfg *cfg, void *coo struct amd_io_pgtable *pgtable = io_pgtable_cfg_to_data(cfg); int ias = IOMMU_IN_ADDR_BIT_SIZE; - pgtable->pgd = iommu_alloc_page_node(cfg->amd.nid, GFP_KERNEL); + pgtable->pgd = iommu_alloc_pages_node_sz(cfg->amd.nid, GFP_KERNEL, SZ_4K); if (!pgtable->pgd) return NULL; diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index e23d104d177ad9..d465cf2e635413 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -1884,7 +1884,7 @@ static int setup_gcr3_table(struct gcr3_tbl_info *gcr3_info, return -ENOSPC; gcr3_info->domid = domid; - gcr3_info->gcr3_tbl = iommu_alloc_page_node(nid, GFP_ATOMIC); + gcr3_info->gcr3_tbl = iommu_alloc_pages_node_sz(nid, GFP_ATOMIC, SZ_4K); if (gcr3_info->gcr3_tbl == NULL) { pdom_id_free(domid); return -ENOMEM; diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 6df5c202fbeba6..f72de7519d840c 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -397,7 +397,8 @@ struct context_entry *iommu_context_addr(struct intel_iommu *iommu, u8 bus, if (!alloc) return NULL; - context = iommu_alloc_page_node(iommu->node, GFP_ATOMIC); + context = iommu_alloc_pages_node_sz(iommu->node, GFP_ATOMIC, + SZ_4K); if (!context) return NULL; @@ -731,7 +732,8 @@ static struct dma_pte *pfn_to_dma_pte(struct dmar_domain *domain, if (!dma_pte_present(pte)) { uint64_t pteval, tmp; - tmp_page = iommu_alloc_page_node(domain->nid, gfp); + tmp_page = iommu_alloc_pages_node_sz(domain->nid, gfp, + SZ_4K); if (!tmp_page) return NULL; @@ -982,7 +984,7 @@ static int iommu_alloc_root_entry(struct intel_iommu *iommu) { struct root_entry *root; - root = iommu_alloc_page_node(iommu->node, GFP_ATOMIC); + root = iommu_alloc_pages_node_sz(iommu->node, GFP_ATOMIC, SZ_4K); if (!root) { pr_err("Allocating root entry for %s failed\n", iommu->name); @@ -1994,7 +1996,8 @@ static int copy_context_table(struct intel_iommu *iommu, if (!old_ce) goto out; - new_ce = iommu_alloc_page_node(iommu->node, GFP_KERNEL); + new_ce = iommu_alloc_pages_node_sz(iommu->node, + GFP_KERNEL, SZ_4K); if (!new_ce) goto out_unmap; @@ -3315,7 +3318,7 @@ static struct dmar_domain *paging_domain_alloc(struct device *dev, bool first_st domain->domain.geometry.aperture_end = __DOMAIN_MAX_ADDR(domain->gaw); /* always allocate the top pgd */ - domain->pgd = iommu_alloc_page_node(domain->nid, GFP_KERNEL); + domain->pgd = iommu_alloc_pages_node_sz(domain->nid, GFP_KERNEL, SZ_4K); if (!domain->pgd) { kfree(domain); return ERR_PTR(-ENOMEM); diff --git a/drivers/iommu/intel/pasid.c b/drivers/iommu/intel/pasid.c index 4249f12db7fc43..2b6e0706d76d62 100644 --- a/drivers/iommu/intel/pasid.c +++ b/drivers/iommu/intel/pasid.c @@ -147,7 +147,8 @@ static struct pasid_entry *intel_pasid_get_entry(struct device *dev, u32 pasid) if (!entries) { u64 tmp; - entries = iommu_alloc_page_node(info->iommu->node, GFP_ATOMIC); + entries = iommu_alloc_pages_node_sz(info->iommu->node, + GFP_ATOMIC, SZ_4K); if (!entries) return NULL; diff --git a/drivers/iommu/iommu-pages.h b/drivers/iommu/iommu-pages.h index 4513fbc76260cd..7ece83bb0f54bb 100644 --- a/drivers/iommu/iommu-pages.h +++ b/drivers/iommu/iommu-pages.h @@ -114,17 +114,4 @@ static inline void *iommu_alloc_pages_sz(gfp_t gfp, size_t size) return iommu_alloc_pages_node_sz(NUMA_NO_NODE, gfp, size); } -/** - * iommu_alloc_page_node - allocate a zeroed page at specific NUMA node. - * @nid: memory NUMA node id - * @gfp: buddy allocator flags - * - * returns the virtual address of the allocated page - * Prefer to use iommu_alloc_pages_node_lg2() - */ -static inline void *iommu_alloc_page_node(int nid, gfp_t gfp) -{ - return iommu_alloc_pages_node_sz(nid, gfp, PAGE_SIZE); -} - #endif /* __IOMMU_PAGES_H */ diff --git a/drivers/iommu/riscv/iommu.c b/drivers/iommu/riscv/iommu.c index 8835c82f118db4..bb57092ca90110 100644 --- a/drivers/iommu/riscv/iommu.c +++ b/drivers/iommu/riscv/iommu.c @@ -1144,7 +1144,8 @@ static unsigned long *riscv_iommu_pte_alloc(struct riscv_iommu_domain *domain, * page table. This might race with other mappings, retry. */ if (_io_pte_none(pte)) { - addr = iommu_alloc_page_node(domain->numa_node, gfp); + addr = iommu_alloc_pages_node_sz(domain->numa_node, gfp, + SZ_4K); if (!addr) return NULL; old = pte; @@ -1385,8 +1386,8 @@ static struct iommu_domain *riscv_iommu_alloc_paging_domain(struct device *dev) domain->numa_node = dev_to_node(iommu->dev); domain->amo_enabled = !!(iommu->caps & RISCV_IOMMU_CAPABILITIES_AMO_HWAD); domain->pgd_mode = pgd_mode; - domain->pgd_root = iommu_alloc_page_node(domain->numa_node, - GFP_KERNEL_ACCOUNT); + domain->pgd_root = iommu_alloc_pages_node_sz(domain->numa_node, + GFP_KERNEL_ACCOUNT, SZ_4K); if (!domain->pgd_root) { kfree(domain); return ERR_PTR(-ENOMEM); -- 2.43.0