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From: Yong Wu <yong.wu@mediatek.com>
To: Joerg Roedel <joro@8bytes.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Robin Murphy <robin.murphy@arm.com>,
	Will Deacon <will@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>,
	Evan Green <evgreen@chromium.org>, Tomasz Figa <tfiga@google.com>,
	<linux-mediatek@lists.infradead.org>,
	<srv_heupstream@mediatek.com>, <devicetree@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<iommu@lists.linux-foundation.org>, <yong.wu@mediatek.com>,
	<youlin.pei@mediatek.com>,
	Nicolas Boichat <drinkcat@chromium.org>, <anan.sun@mediatek.com>,
	Matthias Kaehlcke <mka@chromium.org>, <cui.zhang@mediatek.com>,
	<chao.hao@mediatek.com>, <ming-fan.chen@mediatek.com>
Subject: [PATCH v11 07/23] iommu/io-pgtable-arm-v7s: Use ias/oas to check the valid iova/pa
Date: Sat, 24 Aug 2019 11:01:52 +0800	[thread overview]
Message-ID: <1566615728-26388-8-git-send-email-yong.wu@mediatek.com> (raw)
In-Reply-To: <1566615728-26388-1-git-send-email-yong.wu@mediatek.com>

Use ias/oas to check the valid iova/pa. Synchronize this checking with
io-pgtable-arm.c.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Acked-by: Will Deacon <will@kernel.org>
---
 drivers/iommu/io-pgtable-arm-v7s.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c
index 72f1880..fa1b38f 100644
--- a/drivers/iommu/io-pgtable-arm-v7s.c
+++ b/drivers/iommu/io-pgtable-arm-v7s.c
@@ -504,7 +504,8 @@ static int arm_v7s_map(struct io_pgtable_ops *ops, unsigned long iova,
 	if (!(prot & (IOMMU_READ | IOMMU_WRITE)))
 		return 0;
 
-	if (WARN_ON(upper_32_bits(iova) || upper_32_bits(paddr)))
+	if (WARN_ON(iova >= (1ULL << data->iop.cfg.ias) ||
+		    paddr >= (1ULL << data->iop.cfg.oas)))
 		return -ERANGE;
 
 	ret = __arm_v7s_map(data, iova, paddr, size, prot, 1, data->pgd);
-- 
1.9.1


WARNING: multiple messages have this Message-ID (diff)
From: Yong Wu <yong.wu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
To: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>,
	Matthias Brugger
	<matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>,
	Will Deacon <will-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: youlin.pei-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Nicolas Boichat
	<drinkcat-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
	cui.zhang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org,
	srv_heupstream-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org,
	chao.hao-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Evan Green <evgreen-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
	Tomasz Figa <tfiga-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
	iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	ming-fan.chen-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org,
	anan.sun-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org,
	Matthias Kaehlcke <mka-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: [PATCH v11 07/23] iommu/io-pgtable-arm-v7s: Use ias/oas to check the valid iova/pa
Date: Sat, 24 Aug 2019 11:01:52 +0800	[thread overview]
Message-ID: <1566615728-26388-8-git-send-email-yong.wu@mediatek.com> (raw)
In-Reply-To: <1566615728-26388-1-git-send-email-yong.wu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>

Use ias/oas to check the valid iova/pa. Synchronize this checking with
io-pgtable-arm.c.

Signed-off-by: Yong Wu <yong.wu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
Acked-by: Will Deacon <will-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
---
 drivers/iommu/io-pgtable-arm-v7s.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c
index 72f1880..fa1b38f 100644
--- a/drivers/iommu/io-pgtable-arm-v7s.c
+++ b/drivers/iommu/io-pgtable-arm-v7s.c
@@ -504,7 +504,8 @@ static int arm_v7s_map(struct io_pgtable_ops *ops, unsigned long iova,
 	if (!(prot & (IOMMU_READ | IOMMU_WRITE)))
 		return 0;
 
-	if (WARN_ON(upper_32_bits(iova) || upper_32_bits(paddr)))
+	if (WARN_ON(iova >= (1ULL << data->iop.cfg.ias) ||
+		    paddr >= (1ULL << data->iop.cfg.oas)))
 		return -ERANGE;
 
 	ret = __arm_v7s_map(data, iova, paddr, size, prot, 1, data->pgd);
-- 
1.9.1

WARNING: multiple messages have this Message-ID (diff)
From: Yong Wu <yong.wu@mediatek.com>
To: Joerg Roedel <joro@8bytes.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	 Robin Murphy <robin.murphy@arm.com>,
	Will Deacon <will@kernel.org>
Cc: youlin.pei@mediatek.com, devicetree@vger.kernel.org,
	Nicolas Boichat <drinkcat@chromium.org>,
	cui.zhang@mediatek.com, srv_heupstream@mediatek.com,
	chao.hao@mediatek.com, linux-kernel@vger.kernel.org,
	Evan Green <evgreen@chromium.org>, Tomasz Figa <tfiga@google.com>,
	iommu@lists.linux-foundation.org,
	Rob Herring <robh+dt@kernel.org>,
	linux-mediatek@lists.infradead.org, ming-fan.chen@mediatek.com,
	anan.sun@mediatek.com, Matthias Kaehlcke <mka@chromium.org>,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v11 07/23] iommu/io-pgtable-arm-v7s: Use ias/oas to check the valid iova/pa
Date: Sat, 24 Aug 2019 11:01:52 +0800	[thread overview]
Message-ID: <1566615728-26388-8-git-send-email-yong.wu@mediatek.com> (raw)
In-Reply-To: <1566615728-26388-1-git-send-email-yong.wu@mediatek.com>

Use ias/oas to check the valid iova/pa. Synchronize this checking with
io-pgtable-arm.c.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Acked-by: Will Deacon <will@kernel.org>
---
 drivers/iommu/io-pgtable-arm-v7s.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c
index 72f1880..fa1b38f 100644
--- a/drivers/iommu/io-pgtable-arm-v7s.c
+++ b/drivers/iommu/io-pgtable-arm-v7s.c
@@ -504,7 +504,8 @@ static int arm_v7s_map(struct io_pgtable_ops *ops, unsigned long iova,
 	if (!(prot & (IOMMU_READ | IOMMU_WRITE)))
 		return 0;
 
-	if (WARN_ON(upper_32_bits(iova) || upper_32_bits(paddr)))
+	if (WARN_ON(iova >= (1ULL << data->iop.cfg.ias) ||
+		    paddr >= (1ULL << data->iop.cfg.oas)))
 		return -ERANGE;
 
 	ret = __arm_v7s_map(data, iova, paddr, size, prot, 1, data->pgd);
-- 
1.9.1

_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

WARNING: multiple messages have this Message-ID (diff)
From: Yong Wu <yong.wu@mediatek.com>
To: Joerg Roedel <joro@8bytes.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	 Robin Murphy <robin.murphy@arm.com>,
	Will Deacon <will@kernel.org>
Cc: youlin.pei@mediatek.com, devicetree@vger.kernel.org,
	Nicolas Boichat <drinkcat@chromium.org>,
	cui.zhang@mediatek.com, srv_heupstream@mediatek.com,
	chao.hao@mediatek.com, linux-kernel@vger.kernel.org,
	Evan Green <evgreen@chromium.org>, Tomasz Figa <tfiga@google.com>,
	iommu@lists.linux-foundation.org,
	Rob Herring <robh+dt@kernel.org>,
	linux-mediatek@lists.infradead.org, yong.wu@mediatek.com,
	ming-fan.chen@mediatek.com, anan.sun@mediatek.com,
	Matthias Kaehlcke <mka@chromium.org>,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v11 07/23] iommu/io-pgtable-arm-v7s: Use ias/oas to check the valid iova/pa
Date: Sat, 24 Aug 2019 11:01:52 +0800	[thread overview]
Message-ID: <1566615728-26388-8-git-send-email-yong.wu@mediatek.com> (raw)
In-Reply-To: <1566615728-26388-1-git-send-email-yong.wu@mediatek.com>

Use ias/oas to check the valid iova/pa. Synchronize this checking with
io-pgtable-arm.c.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Acked-by: Will Deacon <will@kernel.org>
---
 drivers/iommu/io-pgtable-arm-v7s.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c
index 72f1880..fa1b38f 100644
--- a/drivers/iommu/io-pgtable-arm-v7s.c
+++ b/drivers/iommu/io-pgtable-arm-v7s.c
@@ -504,7 +504,8 @@ static int arm_v7s_map(struct io_pgtable_ops *ops, unsigned long iova,
 	if (!(prot & (IOMMU_READ | IOMMU_WRITE)))
 		return 0;
 
-	if (WARN_ON(upper_32_bits(iova) || upper_32_bits(paddr)))
+	if (WARN_ON(iova >= (1ULL << data->iop.cfg.ias) ||
+		    paddr >= (1ULL << data->iop.cfg.oas)))
 		return -ERANGE;
 
 	ret = __arm_v7s_map(data, iova, paddr, size, prot, 1, data->pgd);
-- 
1.9.1


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2019-08-24  3:04 UTC|newest]

Thread overview: 103+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-24  3:01 [PATCH v11 00/23] MT8183 IOMMU SUPPORT Yong Wu
2019-08-24  3:01 ` Yong Wu
2019-08-24  3:01 ` Yong Wu
2019-08-24  3:01 ` Yong Wu
2019-08-24  3:01 ` [PATCH v11 01/23] dt-bindings: mediatek: Add binding for mt8183 IOMMU and SMI Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01 ` [PATCH v11 02/23] iommu/mediatek: Use a struct as the platform data Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01 ` [PATCH v11 03/23] memory: mtk-smi: Use a general config_port interface Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01 ` [PATCH v11 04/23] memory: mtk-smi: Use a struct for the platform data for smi-common Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01 ` [PATCH v11 05/23] iommu/mediatek: Fix iova_to_phys PA start for 4GB mode Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01 ` [PATCH v11 06/23] iommu/io-pgtable-arm-v7s: Add paddr_to_iopte and iopte_to_paddr helpers Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01 ` Yong Wu [this message]
2019-08-24  3:01   ` [PATCH v11 07/23] iommu/io-pgtable-arm-v7s: Use ias/oas to check the valid iova/pa Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01 ` [PATCH v11 08/23] iommu/io-pgtable-arm-v7s: Rename the quirk from MTK_4GB to MTK_EXT Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01 ` [PATCH v11 09/23] iommu/io-pgtable-arm-v7s: Extend to support PA[33:32] for MediaTek Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01 ` [PATCH v11 10/23] iommu/mediatek: Adjust the PA for the 4GB Mode Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01 ` [PATCH v11 11/23] iommu/mediatek: Add bclk can be supported optionally Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01 ` [PATCH v11 12/23] iommu/mediatek: Add larb-id remapped support Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01 ` [PATCH v11 13/23] iommu/mediatek: Refine protect memory definition Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01 ` [PATCH v11 14/23] iommu/mediatek: Move reset_axi into plat_data Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:01   ` Yong Wu
2019-08-24  3:02 ` [PATCH v11 15/23] iommu/mediatek: Move vld_pa_rng " Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02 ` [PATCH v11 16/23] memory: mtk-smi: Add gals support Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02 ` [PATCH v11 17/23] iommu/mediatek: Add mt8183 IOMMU support Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02 ` [PATCH v11 18/23] iommu/mediatek: Add mmu1 support Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02 ` [PATCH v11 19/23] memory: mtk-smi: Invoke pm runtime_callback to enable clocks Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02 ` [PATCH v11 20/23] memory: mtk-smi: Add bus_sel for mt8183 Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02 ` [PATCH v11 21/23] iommu/mediatek: Fix VLD_PA_RNG register backup when suspend Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02 ` [PATCH v11 22/23] memory: mtk-smi: Get rid of need_larbid Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02 ` [PATCH v11 23/23] iommu/mediatek: Clean up struct mtk_smi_iommu Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24  3:02   ` Yong Wu
2019-08-24 11:57 ` [PATCH v11 00/23] MT8183 IOMMU SUPPORT Will Deacon
2019-08-24 11:57   ` Will Deacon
2019-08-24 11:57   ` Will Deacon
2019-08-24 11:57   ` Will Deacon
2019-08-30 14:21 ` Joerg Roedel
2019-08-30 14:21   ` Joerg Roedel
2019-08-30 14:21   ` Joerg Roedel

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