iommu: Remove iommu_ops pgsize_bitmap from simple drivers

These drivers just have a constant value for their page size, move it
into their domain_alloc_paging function before setting up the geometry.

Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Acked-by: Niklas Schnelle <schnelle@linux.ibm.com> # for s390-iommu.c
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> # for exynos-iommu.c
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Acked-by: Chen-Yu Tsai <wens@csie.org> # sun50i-iommu.c
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Link: https://lore.kernel.org/r/4-v2-68a2e1ba507c+1fb-iommu_rm_ops_pgsize_jgg@nvidia.com
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

Author: jgunthorpe

drivers/iommu/exynos-iommu.c

@@ -925,6 +925,8 @@ static struct iommu_domain *exynos_iommu_domain_alloc_paging(struct device *dev)
 	spin_lock_init(&domain->pgtablelock);
 	INIT_LIST_HEAD(&domain->clients);
 
+	domain->domain.pgsize_bitmap = SECT_SIZE | LPAGE_SIZE | SPAGE_SIZE;
+
 	domain->domain.geometry.aperture_start = 0;
 	domain->domain.geometry.aperture_end   = ~0UL;
 	domain->domain.geometry.force_aperture = true;
@@ -1477,7 +1479,6 @@ static const struct iommu_ops exynos_iommu_ops = {
 	.device_group = generic_device_group,
 	.probe_device = exynos_iommu_probe_device,
 	.release_device = exynos_iommu_release_device,
-	.pgsize_bitmap = SECT_SIZE | LPAGE_SIZE | SPAGE_SIZE,
 	.of_xlate = exynos_iommu_of_xlate,
 	.default_domain_ops = &(const struct iommu_domain_ops) {
 		.attach_dev	= exynos_iommu_attach_device,

drivers/iommu/ipmmu-vmsa.c

@@ -430,7 +430,7 @@ static int ipmmu_domain_init_context(struct ipmmu_vmsa_domain *domain)
 	 * non-secure mode.
 	 */
 	domain->cfg.quirks = IO_PGTABLE_QUIRK_ARM_NS;
-	domain->cfg.pgsize_bitmap = SZ_1G | SZ_2M | SZ_4K;
+	domain->cfg.pgsize_bitmap = domain->io_domain.pgsize_bitmap;
 	domain->cfg.ias = 32;
 	domain->cfg.oas = 40;
 	domain->cfg.tlb = &ipmmu_flush_ops;
@@ -571,6 +571,7 @@ static struct iommu_domain *ipmmu_domain_alloc_paging(struct device *dev)
 		return NULL;
 
 	mutex_init(&domain->mutex);
+	domain->io_domain.pgsize_bitmap = SZ_1G | SZ_2M | SZ_4K;
 
 	return &domain->io_domain;
 }
@@ -882,7 +883,6 @@ static const struct iommu_ops ipmmu_ops = {
 	 */
 	.device_group = IS_ENABLED(CONFIG_ARM) && !IS_ENABLED(CONFIG_IOMMU_DMA)
 			? generic_device_group : generic_single_device_group,
-	.pgsize_bitmap = SZ_1G | SZ_2M | SZ_4K,
 	.of_xlate = ipmmu_of_xlate,
 	.default_domain_ops = &(const struct iommu_domain_ops) {
 		.attach_dev	= ipmmu_attach_device,

drivers/iommu/mtk_iommu_v1.c

@@ -288,6 +288,8 @@ static struct iommu_domain *mtk_iommu_v1_domain_alloc_paging(struct device *dev)
 	if (!dom)
 		return NULL;
 
+	dom->domain.pgsize_bitmap = MT2701_IOMMU_PAGE_SIZE;
+
 	return &dom->domain;
 }
 
@@ -582,7 +584,6 @@ static const struct iommu_ops mtk_iommu_v1_ops = {
 	.probe_finalize = mtk_iommu_v1_probe_finalize,
 	.release_device	= mtk_iommu_v1_release_device,
 	.device_group	= generic_device_group,
-	.pgsize_bitmap	= MT2701_IOMMU_PAGE_SIZE,
 	.owner          = THIS_MODULE,
 	.default_domain_ops = &(const struct iommu_domain_ops) {
 		.attach_dev	= mtk_iommu_v1_attach_device,

drivers/iommu/omap-iommu.c

@@ -1584,6 +1584,8 @@ static struct iommu_domain *omap_iommu_domain_alloc_paging(struct device *dev)
 
 	spin_lock_init(&omap_domain->lock);
 
+	omap_domain->domain.pgsize_bitmap = OMAP_IOMMU_PGSIZES;
+
 	omap_domain->domain.geometry.aperture_start = 0;
 	omap_domain->domain.geometry.aperture_end   = (1ULL << 32) - 1;
 	omap_domain->domain.geometry.force_aperture = true;
@@ -1735,7 +1737,6 @@ static const struct iommu_ops omap_iommu_ops = {
 	.release_device	= omap_iommu_release_device,
 	.device_group	= generic_single_device_group,
 	.of_xlate	= omap_iommu_of_xlate,
-	.pgsize_bitmap	= OMAP_IOMMU_PGSIZES,
 	.default_domain_ops = &(const struct iommu_domain_ops) {
 		.attach_dev	= omap_iommu_attach_dev,
 		.map_pages	= omap_iommu_map,

drivers/iommu/rockchip-iommu.c

@@ -1081,6 +1081,8 @@ static struct iommu_domain *rk_iommu_domain_alloc_paging(struct device *dev)
 	spin_lock_init(&rk_domain->dt_lock);
 	INIT_LIST_HEAD(&rk_domain->iommus);
 
+	rk_domain->domain.pgsize_bitmap = RK_IOMMU_PGSIZE_BITMAP;
+
 	rk_domain->domain.geometry.aperture_start = 0;
 	rk_domain->domain.geometry.aperture_end   = DMA_BIT_MASK(32);
 	rk_domain->domain.geometry.force_aperture = true;
@@ -1171,7 +1173,6 @@ static const struct iommu_ops rk_iommu_ops = {
 	.probe_device = rk_iommu_probe_device,
 	.release_device = rk_iommu_release_device,
 	.device_group = generic_single_device_group,
-	.pgsize_bitmap = RK_IOMMU_PGSIZE_BITMAP,
 	.of_xlate = rk_iommu_of_xlate,
 	.default_domain_ops = &(const struct iommu_domain_ops) {
 		.attach_dev	= rk_iommu_attach_device,

drivers/iommu/s390-iommu.c

@@ -557,6 +557,7 @@ static struct iommu_domain *s390_domain_alloc_paging(struct device *dev)
 	}
 	zdev->end_dma = zdev->start_dma + aperture_size - 1;
 
+	s390_domain->domain.pgsize_bitmap = SZ_4K;
 	s390_domain->domain.geometry.force_aperture = true;
 	s390_domain->domain.geometry.aperture_start = 0;
 	s390_domain->domain.geometry.aperture_end = max_tbl_size(s390_domain);
@@ -1158,7 +1159,6 @@ static struct iommu_domain blocking_domain = {
 	.domain_alloc_paging = s390_domain_alloc_paging, \
 	.probe_device = s390_iommu_probe_device, \
 	.device_group = generic_device_group, \
-	.pgsize_bitmap = SZ_4K, \
 	.get_resv_regions = s390_iommu_get_resv_regions, \
 	.default_domain_ops = &(const struct iommu_domain_ops) { \
 		.attach_dev	= s390_iommu_attach_device, \

drivers/iommu/sprd-iommu.c

@@ -143,6 +143,8 @@ static struct iommu_domain *sprd_iommu_domain_alloc_paging(struct device *dev)
 
 	spin_lock_init(&dom->pgtlock);
 
+	dom->domain.pgsize_bitmap = SPRD_IOMMU_PAGE_SIZE;
+
 	dom->domain.geometry.aperture_start = 0;
 	dom->domain.geometry.aperture_end = SZ_256M - 1;
 	dom->domain.geometry.force_aperture = true;
@@ -410,7 +412,6 @@ static const struct iommu_ops sprd_iommu_ops = {
 	.probe_device	= sprd_iommu_probe_device,
 	.device_group	= generic_single_device_group,
 	.of_xlate	= sprd_iommu_of_xlate,
-	.pgsize_bitmap	= SPRD_IOMMU_PAGE_SIZE,
 	.owner		= THIS_MODULE,
 	.default_domain_ops = &(const struct iommu_domain_ops) {
 		.attach_dev	= sprd_iommu_attach_device,

drivers/iommu/sun50i-iommu.c

@@ -697,6 +697,8 @@ sun50i_iommu_domain_alloc_paging(struct device *dev)
 
 	refcount_set(&sun50i_domain->refcnt, 1);
 
+	sun50i_domain->domain.pgsize_bitmap = SZ_4K;
+
 	sun50i_domain->domain.geometry.aperture_start = 0;
 	sun50i_domain->domain.geometry.aperture_end = DMA_BIT_MASK(32);
 	sun50i_domain->domain.geometry.force_aperture = true;
@@ -842,7 +844,6 @@ static int sun50i_iommu_of_xlate(struct device *dev,
 
 static const struct iommu_ops sun50i_iommu_ops = {
 	.identity_domain = &sun50i_iommu_identity_domain,
-	.pgsize_bitmap	= SZ_4K,
 	.device_group	= generic_single_device_group,
 	.domain_alloc_paging = sun50i_iommu_domain_alloc_paging,
 	.of_xlate	= sun50i_iommu_of_xlate,

drivers/iommu/tegra-smmu.c

@@ -318,6 +318,8 @@ static struct iommu_domain *tegra_smmu_domain_alloc_paging(struct device *dev)
 
 	spin_lock_init(&as->lock);
 
+	as->domain.pgsize_bitmap = SZ_4K;
+
 	/* setup aperture */
 	as->domain.geometry.aperture_start = 0;
 	as->domain.geometry.aperture_end = 0xffffffff;
@@ -1002,7 +1004,6 @@ static const struct iommu_ops tegra_smmu_ops = {
 	.probe_device = tegra_smmu_probe_device,
 	.device_group = tegra_smmu_device_group,
 	.of_xlate = tegra_smmu_of_xlate,
-	.pgsize_bitmap = SZ_4K,
 	.default_domain_ops = &(const struct iommu_domain_ops) {
 		.attach_dev	= tegra_smmu_attach_dev,
 		.map_pages	= tegra_smmu_map,