From: Anup Patel via iommu <iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>
To: Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>,
Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>,
Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>,
Baptiste Reynal
<b.reynal-lrHrjnjw1UfHK3s98zE1ajGjJy/sRE9J@public.gmane.org>,
Alex Williamson
<alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Scott Branden <sbranden-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
bcm-kernel-feedback-list-dY08KVG/lbpWk0Htik3J/w@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: [PATCH 3/5] iommu/arm-smmu-v3: add IOMMU_CAP_BYPASS to the ARM SMMUv3 driver
Date: Wed, 19 Jul 2017 15:03:56 +0530 [thread overview]
Message-ID: <1500456838-18405-4-git-send-email-anup.patel@broadcom.com> (raw)
In-Reply-To: <1500456838-18405-1-git-send-email-anup.patel-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
The ARM SMMUv3 support bypassing transactions for which domain
is not configured. The patch adds corresponding IOMMU capability
to advertise this fact.
Signed-off-by: Anup Patel <anup.patel-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
---
drivers/iommu/arm-smmu-v3.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index 568c400..a6c7f66 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -1423,6 +1423,8 @@ static bool arm_smmu_capable(enum iommu_cap cap)
return true;
case IOMMU_CAP_NOEXEC:
return true;
+ case IOMMU_CAP_BYPASS:
+ return true;
default:
return false;
}
--
2.7.4
next prev parent reply other threads:[~2017-07-19 9:33 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-19 9:33 [PATCH 0/5] FlexRM support in VFIO platform Anup Patel via iommu
2017-07-19 9:33 ` [PATCH 1/5] iommu: Add capability IOMMU_CAP_BYPASS Anup Patel
[not found] ` <1500456838-18405-2-git-send-email-anup.patel-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
2017-07-19 10:58 ` Robin Murphy
2017-07-19 11:19 ` Anup Patel
[not found] ` <CAALAos_o25mtphxcVE0rr9dE8YAm-os2C_HD9oDnt41ZMDP8pA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-07-19 11:23 ` Will Deacon
2017-07-19 11:26 ` Anup Patel
[not found] ` <CAALAos8nf-d5i74J7-sAJb2o9eFj2PVDeLLVd=wun+gW1ihXSA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-07-19 11:29 ` Robin Murphy
2017-07-19 11:30 ` Will Deacon
[not found] ` <20170719113017.GH13642-5wv7dgnIgG8@public.gmane.org>
2017-07-19 11:33 ` Anup Patel via iommu
2017-07-19 9:33 ` [PATCH 2/5] iommu/arm-smmu: add IOMMU_CAP_BYPASS to the ARM SMMU driver Anup Patel
[not found] ` <1500456838-18405-3-git-send-email-anup.patel-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
2017-07-19 10:59 ` Robin Murphy
2017-07-19 9:33 ` [PATCH 4/5] vfio: Allow No-IOMMU mode for IOMMUs with bypass capability Anup Patel
[not found] ` <1500456838-18405-1-git-send-email-anup.patel-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
2017-07-19 9:33 ` Anup Patel via iommu [this message]
2017-07-19 11:00 ` [PATCH 3/5] iommu/arm-smmu-v3: add IOMMU_CAP_BYPASS to the ARM SMMUv3 driver Robin Murphy
[not found] ` <ace28bd1-2dd3-482c-d11b-539c055ee9b7-5wv7dgnIgG8@public.gmane.org>
2017-07-19 11:23 ` Anup Patel via iommu
[not found] ` <CAALAos8y0kLGrbwgz3u=ZVyteSicuPyQZ3Yp=LPZohXzVaE5NQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-07-19 11:25 ` Will Deacon
[not found] ` <20170719112524.GF13642-5wv7dgnIgG8@public.gmane.org>
2017-07-19 11:31 ` Anup Patel via iommu
[not found] ` <CAALAos_xGCt7U1Oz5uCf9Q4hP6fdn4fcymFNQP5xO_UBduSY3g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-07-19 11:33 ` Will Deacon
2017-07-19 11:39 ` Anup Patel
[not found] ` <CAALAos99HWLoW=0P-dvFA+oNsF03TRNzNbfppyQNtqmcRELXXQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-07-19 11:53 ` Will Deacon
[not found] ` <20170719115333.GJ13642-5wv7dgnIgG8@public.gmane.org>
2017-07-20 4:02 ` Anup Patel via iommu
[not found] ` <CAALAos-YbVbgvPmDYXeWaF4y8MQ9i7CG3tgGuf-QLR6hmXo18Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-07-20 9:10 ` Will Deacon
[not found] ` <20170720091003.GA17837-5wv7dgnIgG8@public.gmane.org>
2017-07-20 11:08 ` Anup Patel via iommu
[not found] ` <CAALAos8571-UVp7Ky81qFESVcNcWx_H2VOemFt_++NFCxcMg3w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-07-20 11:17 ` Will Deacon
2017-07-20 11:17 ` Robin Murphy
[not found] ` <8e82d8f5-e5e2-dd09-c774-29f9eda2ecdd-5wv7dgnIgG8@public.gmane.org>
2017-07-24 17:16 ` Alex Williamson
[not found] ` <20170724111621.7f1c3a85-DGNDKt5SQtizQB+pC5nmwQ@public.gmane.org>
2017-07-24 17:23 ` Robin Murphy
[not found] ` <6468f359-1682-b9b0-5a4d-72738939cb84-5wv7dgnIgG8@public.gmane.org>
2017-07-24 19:06 ` Alex Williamson
2017-07-25 8:59 ` Anup Patel
2017-07-19 9:33 ` [PATCH 5/5] vfio: platform: reset: Add Broadcom FlexRM reset module Anup Patel via iommu
[not found] ` <1500456838-18405-6-git-send-email-anup.patel-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
2017-07-19 16:50 ` Scott Branden via iommu
[not found] ` <27236534-a9fb-53bc-f0c6-eb674833a94e-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
2017-07-20 4:05 ` Anup Patel via iommu
2017-07-19 10:57 ` [PATCH 0/5] FlexRM support in VFIO platform Robin Murphy
[not found] ` <0dc860ed-a40c-1bfd-f584-225807edb25b-5wv7dgnIgG8@public.gmane.org>
2017-07-19 11:17 ` Anup Patel via iommu
2017-07-19 11:25 ` Robin Murphy
[not found] ` <d4ef45d5-43cc-c632-082d-a92b8681faee-5wv7dgnIgG8@public.gmane.org>
2017-07-19 11:28 ` Anup Patel via iommu
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