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X-UUID: f17c9c6d611548949e56bfd73dc0f5b9-20200905 Received: from mtkcas08.mediatek.inc [(172.21.101.126)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 16671798; Sat, 05 Sep 2020 16:12:49 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs08n2.mediatek.inc (172.21.101.56) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 5 Sep 2020 16:12:46 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 5 Sep 2020 16:12:46 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Rob Herring , Robin Murphy Subject: [PATCH v2 10/23] iommu/io-pgtable-arm-v7s: Add cfg as a param in some macros Date: Sat, 5 Sep 2020 16:09:07 +0800 Message-ID: <20200905080920.13396-11-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200905080920.13396-1-yong.wu@mediatek.com> References: <20200905080920.13396-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 51F6A46B05255F749CDEA4309B5A10177F18D66266059B1587C288D83214EC0B2000:8 X-MTK: N Cc: youlin.pei@mediatek.com, devicetree@vger.kernel.org, Nicolas Boichat , srv_heupstream@mediatek.com, chao.hao@mediatek.com, linux-kernel@vger.kernel.org, Evan Green , Tomasz Figa , iommu@lists.linux-foundation.org, linux-mediatek@lists.infradead.org, ming-fan.chen@mediatek.com, anan.sun@mediatek.com, Will Deacon , linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Add "cfg" as a parameter for some macros. This is a preparing patch for mediatek extend the lvl1 pgtable. No functional change. Signed-off-by: Yong Wu --- drivers/iommu/io-pgtable-arm-v7s.c | 34 +++++++++++++++--------------- 1 file changed, 17 insertions(+), 17 deletions(-) diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c index a3b3e9147b8d..8362fdf76657 100644 --- a/drivers/iommu/io-pgtable-arm-v7s.c +++ b/drivers/iommu/io-pgtable-arm-v7s.c @@ -53,17 +53,17 @@ #define ARM_V7S_LVL_SHIFT(lvl) (ARM_V7S_ADDR_BITS - (4 + 8 * (lvl))) #define ARM_V7S_TABLE_SHIFT 10 -#define ARM_V7S_PTES_PER_LVL(lvl) (1 << _ARM_V7S_LVL_BITS(lvl)) -#define ARM_V7S_TABLE_SIZE(lvl) \ - (ARM_V7S_PTES_PER_LVL(lvl) * sizeof(arm_v7s_iopte)) +#define ARM_V7S_PTES_PER_LVL(lvl, cfg) (1 << _ARM_V7S_LVL_BITS(lvl)) +#define ARM_V7S_TABLE_SIZE(lvl, cfg) \ + (ARM_V7S_PTES_PER_LVL(lvl, cfg) * sizeof(arm_v7s_iopte)) #define ARM_V7S_BLOCK_SIZE(lvl) (1UL << ARM_V7S_LVL_SHIFT(lvl)) #define ARM_V7S_LVL_MASK(lvl) ((u32)(~0U << ARM_V7S_LVL_SHIFT(lvl))) #define ARM_V7S_TABLE_MASK ((u32)(~0U << ARM_V7S_TABLE_SHIFT)) -#define _ARM_V7S_IDX_MASK(lvl) (ARM_V7S_PTES_PER_LVL(lvl) - 1) -#define ARM_V7S_LVL_IDX(addr, lvl) ({ \ +#define _ARM_V7S_IDX_MASK(lvl, cfg) (ARM_V7S_PTES_PER_LVL(lvl, cfg) - 1) +#define ARM_V7S_LVL_IDX(addr, lvl, cfg) ({ \ int _l = lvl; \ - ((u32)(addr) >> ARM_V7S_LVL_SHIFT(_l)) & _ARM_V7S_IDX_MASK(_l); \ + ((u32)(addr) >> ARM_V7S_LVL_SHIFT(_l)) & _ARM_V7S_IDX_MASK(_l, cfg); \ }) /* @@ -239,7 +239,7 @@ static void *__arm_v7s_alloc_table(int lvl, gfp_t gfp, struct device *dev = cfg->iommu_dev; phys_addr_t phys; dma_addr_t dma; - size_t size = ARM_V7S_TABLE_SIZE(lvl); + size_t size = ARM_V7S_TABLE_SIZE(lvl, cfg); void *table = NULL; if (lvl == 1) @@ -285,7 +285,7 @@ static void __arm_v7s_free_table(void *table, int lvl, { struct io_pgtable_cfg *cfg = &data->iop.cfg; struct device *dev = cfg->iommu_dev; - size_t size = ARM_V7S_TABLE_SIZE(lvl); + size_t size = ARM_V7S_TABLE_SIZE(lvl, cfg); if (!cfg->coherent_walk) dma_unmap_single(dev, __arm_v7s_dma_addr(table), size, @@ -429,7 +429,7 @@ static int arm_v7s_init_pte(struct arm_v7s_io_pgtable *data, arm_v7s_iopte *tblp; size_t sz = ARM_V7S_BLOCK_SIZE(lvl); - tblp = ptep - ARM_V7S_LVL_IDX(iova, lvl); + tblp = ptep - ARM_V7S_LVL_IDX(iova, lvl, cfg); if (WARN_ON(__arm_v7s_unmap(data, NULL, iova + i * sz, sz, lvl, tblp) != sz)) return -EINVAL; @@ -482,7 +482,7 @@ static int __arm_v7s_map(struct arm_v7s_io_pgtable *data, unsigned long iova, int num_entries = size >> ARM_V7S_LVL_SHIFT(lvl); /* Find our entry at the current level */ - ptep += ARM_V7S_LVL_IDX(iova, lvl); + ptep += ARM_V7S_LVL_IDX(iova, lvl, cfg); /* If we can install a leaf entry at this level, then do so */ if (num_entries) @@ -554,7 +554,7 @@ static void arm_v7s_free_pgtable(struct io_pgtable *iop) struct arm_v7s_io_pgtable *data = io_pgtable_to_data(iop); int i; - for (i = 0; i < ARM_V7S_PTES_PER_LVL(1); i++) { + for (i = 0; i < ARM_V7S_PTES_PER_LVL(1, &data->iop.cfg); i++) { arm_v7s_iopte pte = data->pgd[i]; if (ARM_V7S_PTE_IS_TABLE(pte, 1)) @@ -606,9 +606,9 @@ static size_t arm_v7s_split_blk_unmap(struct arm_v7s_io_pgtable *data, if (!tablep) return 0; /* Bytes unmapped */ - num_ptes = ARM_V7S_PTES_PER_LVL(2); + num_ptes = ARM_V7S_PTES_PER_LVL(2, cfg); num_entries = size >> ARM_V7S_LVL_SHIFT(2); - unmap_idx = ARM_V7S_LVL_IDX(iova, 2); + unmap_idx = ARM_V7S_LVL_IDX(iova, 2, cfg); pte = arm_v7s_prot_to_pte(arm_v7s_pte_to_prot(blk_pte, 1), 2, cfg); if (num_entries > 1) @@ -650,7 +650,7 @@ static size_t __arm_v7s_unmap(struct arm_v7s_io_pgtable *data, if (WARN_ON(lvl > 2)) return 0; - idx = ARM_V7S_LVL_IDX(iova, lvl); + idx = ARM_V7S_LVL_IDX(iova, lvl, &iop->cfg); ptep += idx; do { pte[i] = READ_ONCE(ptep[i]); @@ -736,7 +736,7 @@ static phys_addr_t arm_v7s_iova_to_phys(struct io_pgtable_ops *ops, u32 mask; do { - ptep += ARM_V7S_LVL_IDX(iova, ++lvl); + ptep += ARM_V7S_LVL_IDX(iova, ++lvl, &data->iop.cfg); pte = READ_ONCE(*ptep); ptep = iopte_deref(pte, lvl, data); } while (ARM_V7S_PTE_IS_TABLE(pte, lvl)); @@ -779,8 +779,8 @@ static struct io_pgtable *arm_v7s_alloc_pgtable(struct io_pgtable_cfg *cfg, spin_lock_init(&data->split_lock); data->l2_tables = kmem_cache_create("io-pgtable_armv7s_l2", - ARM_V7S_TABLE_SIZE(2), - ARM_V7S_TABLE_SIZE(2), + ARM_V7S_TABLE_SIZE(2, cfg), + ARM_V7S_TABLE_SIZE(2, cfg), ARM_V7S_TABLE_SLAB_FLAGS, NULL); if (!data->l2_tables) goto out_free_data; -- 2.18.0 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu