From: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
To: linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org,
linux-acpi@vger.kernel.org, devicetree@vger.kernel.org,
iommu@lists.linux-foundation.org, kvm@vger.kernel.org,
linux-mm@kvack.org
Cc: joro@8bytes.org, will.deacon@arm.com, robin.murphy@arm.com,
alex.williamson@redhat.com, tn@semihalf.com, liubo95@huawei.com,
thunder.leizhen@huawei.com, xieyisheng1@huawei.com,
xuzaibo@huawei.com, ilias.apalodimas@linaro.org,
jonathan.cameron@huawei.com, liudongdong3@huawei.com,
shunyong.yang@hxt-semitech.com, nwatters@codeaurora.org,
okaya@codeaurora.org, jcrouse@codeaurora.org, rfranz@cavium.com,
dwmw2@infradead.org, jacob.jun.pan@linux.intel.com,
yi.l.liu@intel.com, ashok.raj@intel.com, kevin.tian@intel.com,
baolu.lu@linux.intel.com, robdclark@gmail.com,
christian.koenig@amd.com, bharatku@xilinx.com,
rgummal@xilinx.com
Subject: [PATCH v2 15/40] iommu/of: Add stall and pasid properties to iommu_fwspec
Date: Fri, 11 May 2018 20:06:16 +0100 [thread overview]
Message-ID: <20180511190641.23008-16-jean-philippe.brucker@arm.com> (raw)
In-Reply-To: <20180511190641.23008-1-jean-philippe.brucker@arm.com>
Add stall and pasid properties to iommu_fwspec, and fill them when
dma-can-stall and pasid-bits properties are present in the device tree.
Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
---
drivers/iommu/of_iommu.c | 12 ++++++++++++
include/linux/iommu.h | 2 ++
2 files changed, 14 insertions(+)
diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c
index 5c36a8b7656a..9b6b55f3cccd 100644
--- a/drivers/iommu/of_iommu.c
+++ b/drivers/iommu/of_iommu.c
@@ -204,6 +204,18 @@ const struct iommu_ops *of_iommu_configure(struct device *dev,
if (err)
break;
}
+
+ fwspec = dev->iommu_fwspec;
+ if (!err && fwspec) {
+ const __be32 *prop;
+
+ if (of_get_property(master_np, "dma-can-stall", NULL))
+ fwspec->can_stall = true;
+
+ prop = of_get_property(master_np, "pasid-num-bits", NULL);
+ if (prop)
+ fwspec->num_pasid_bits = be32_to_cpu(*prop);
+ }
}
/*
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 933100678f64..bcce44455117 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -656,6 +656,8 @@ struct iommu_fwspec {
struct fwnode_handle *iommu_fwnode;
void *iommu_priv;
unsigned int num_ids;
+ unsigned int num_pasid_bits;
+ bool can_stall;
u32 ids[1];
};
--
2.17.0
next prev parent reply other threads:[~2018-05-11 19:06 UTC|newest]
Thread overview: 119+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-11 19:06 [PATCH v2 00/40] Shared Virtual Addressing for the IOMMU Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 01/40] iommu: Introduce Shared Virtual Addressing API Jean-Philippe Brucker
2018-05-16 20:41 ` Jacob Pan
2018-05-17 10:02 ` Jean-Philippe Brucker
2018-05-17 17:00 ` Jacob Pan
2018-09-05 11:29 ` Auger Eric
2018-09-06 11:09 ` Jean-Philippe Brucker
2018-09-06 11:12 ` Christian König
2018-09-06 12:45 ` Jean-Philippe Brucker
2018-09-07 8:55 ` Christian König
2018-09-07 15:45 ` Jean-Philippe Brucker
2018-09-07 18:02 ` Christian König
2018-09-07 21:25 ` Jacob Pan
2018-09-08 7:29 ` Christian König
2018-09-12 12:40 ` Jean-Philippe Brucker
2018-09-12 12:56 ` Christian König
2018-09-13 7:15 ` Tian, Kevin
2018-09-13 7:26 ` Tian, Kevin
2018-05-11 19:06 ` [PATCH v2 02/40] iommu/sva: Bind process address spaces to devices Jean-Philippe Brucker
2018-05-17 13:10 ` Jonathan Cameron
2018-05-21 14:43 ` Jean-Philippe Brucker
2018-09-05 11:29 ` Auger Eric
2018-09-06 11:09 ` Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 03/40] iommu/sva: Manage process address spaces Jean-Philippe Brucker
2018-05-16 23:31 ` Jacob Pan
2018-05-17 10:02 ` Jean-Philippe Brucker
2018-05-22 16:43 ` Jacob Pan
2018-05-24 11:44 ` Jean-Philippe Brucker
2018-05-24 11:50 ` Ilias Apalodimas
2018-05-24 15:04 ` Jean-Philippe Brucker
2018-05-25 6:33 ` Ilias Apalodimas
2018-05-25 8:39 ` Jonathan Cameron
2018-05-26 2:24 ` Kenneth Lee
[not found] ` <20180526022445.GA6069@kllp05>
2018-06-11 16:10 ` Kenneth Lee
2018-06-11 16:32 ` Kenneth Lee
2018-05-17 14:25 ` Jonathan Cameron
2018-05-21 14:44 ` Jean-Philippe Brucker
2018-09-05 12:14 ` Auger Eric
2018-09-05 18:18 ` Jacob Pan
2018-09-06 17:40 ` Jean-Philippe Brucker
2018-09-06 11:10 ` Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 04/40] iommu/sva: Add a mm_exit callback for device drivers Jean-Philippe Brucker
2018-09-05 13:23 ` Auger Eric
2018-09-06 11:10 ` Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 05/40] iommu/sva: Track mm changes with an MMU notifier Jean-Philippe Brucker
2018-05-17 14:25 ` Jonathan Cameron
2018-05-21 14:44 ` Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 06/40] iommu/sva: Search mm by PASID Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 07/40] iommu: Add a page fault handler Jean-Philippe Brucker
2018-05-17 15:25 ` Jonathan Cameron
2018-05-21 14:48 ` Jean-Philippe Brucker
2018-05-18 18:04 ` Jacob Pan
2018-05-21 14:49 ` Jean-Philippe Brucker
2018-05-22 23:35 ` Jacob Pan
2018-05-24 11:44 ` Jean-Philippe Brucker
2018-05-26 0:35 ` Jacob Pan
2018-05-29 10:00 ` Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 08/40] iommu/iopf: Handle mm faults Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 09/40] iommu/sva: Register page fault handler Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 10/40] mm: export symbol mm_access Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 11/40] mm: export symbol find_get_task_by_vpid Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 12/40] mm: export symbol mmput_async Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 13/40] vfio: Add support for Shared Virtual Addressing Jean-Philippe Brucker
2018-05-17 15:58 ` Jonathan Cameron
2018-05-21 14:51 ` Jean-Philippe Brucker
2018-05-23 9:38 ` Xu Zaibo
2018-05-24 11:44 ` Jean-Philippe Brucker
[not found] ` <5B06B17C.1090809@huawei.com>
2018-05-24 15:04 ` Jean-Philippe Brucker
2018-05-25 2:39 ` Xu Zaibo
2018-05-25 9:47 ` Jean-Philippe Brucker
[not found] ` <5B08DA21.3070507@huawei.com>
2018-05-29 11:55 ` Jean-Philippe Brucker
2018-05-29 12:24 ` Xu Zaibo
2018-08-27 8:06 ` Xu Zaibo
2018-08-31 13:34 ` Jean-Philippe Brucker
2018-09-01 2:23 ` Xu Zaibo
2018-09-03 10:34 ` Jean-Philippe Brucker
2018-09-04 2:12 ` Xu Zaibo
2018-09-04 10:57 ` Jean-Philippe Brucker
2018-09-05 3:15 ` Xu Zaibo
2018-09-05 11:02 ` Jean-Philippe Brucker
2018-09-06 7:26 ` Xu Zaibo
2018-05-11 19:06 ` [PATCH v2 14/40] dt-bindings: document stall and PASID properties for IOMMU masters Jean-Philippe Brucker
2018-05-11 19:06 ` Jean-Philippe Brucker [this message]
2018-05-11 19:06 ` [PATCH v2 16/40] arm64: mm: Pin down ASIDs for sharing mm with devices Jean-Philippe Brucker
2018-05-15 14:16 ` Catalin Marinas
2018-05-17 10:01 ` Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 17/40] iommu/arm-smmu-v3: Link domains and devices Jean-Philippe Brucker
2018-05-17 16:07 ` Jonathan Cameron
2018-05-21 14:49 ` Jean-Philippe Brucker
2018-09-10 15:16 ` Auger Eric
2018-05-11 19:06 ` [PATCH v2 18/40] iommu/io-pgtable-arm: Factor out ARM LPAE register defines Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 19/40] iommu: Add generic PASID table library Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 20/40] iommu/arm-smmu-v3: Move context descriptor code Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 21/40] iommu/arm-smmu-v3: Add support for Substream IDs Jean-Philippe Brucker
2018-05-31 11:01 ` Bharat Kumar Gogada
2018-06-01 10:46 ` Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 22/40] iommu/arm-smmu-v3: Add second level of context descriptor table Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 23/40] iommu/arm-smmu-v3: Share process page tables Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 24/40] iommu/arm-smmu-v3: Seize private ASID Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 25/40] iommu/arm-smmu-v3: Add support for VHE Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 26/40] iommu/arm-smmu-v3: Enable broadcast TLB maintenance Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 27/40] iommu/arm-smmu-v3: Add SVA feature checking Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 28/40] iommu/arm-smmu-v3: Implement mm operations Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 29/40] iommu/arm-smmu-v3: Add support for Hardware Translation Table Update Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 30/40] iommu/arm-smmu-v3: Register I/O Page Fault queue Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 31/40] iommu/arm-smmu-v3: Improve add_device error handling Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 32/40] iommu/arm-smmu-v3: Maintain a SID->device structure Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 33/40] iommu/arm-smmu-v3: Add stall support for platform devices Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 34/40] ACPI/IORT: Check ATS capability in root complex nodes Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 35/40] iommu/arm-smmu-v3: Add support for PCI ATS Jean-Philippe Brucker
2018-05-19 17:25 ` Sinan Kaya
2018-05-21 14:52 ` Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 36/40] iommu/arm-smmu-v3: Hook up ATC invalidation to mm ops Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 37/40] iommu/arm-smmu-v3: Disable tagged pointers Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 38/40] PCI: Make "PRG Response PASID Required" handling common Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 39/40] iommu/arm-smmu-v3: Add support for PRI Jean-Philippe Brucker
2018-05-25 14:08 ` Bharat Kumar Gogada
2018-05-29 10:27 ` Jean-Philippe Brucker
2018-05-11 19:06 ` [PATCH v2 40/40] iommu/arm-smmu-v3: Add support for PCI PASID Jean-Philippe Brucker
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180511190641.23008-16-jean-philippe.brucker@arm.com \
--to=jean-philippe.brucker@arm.com \
--cc=alex.williamson@redhat.com \
--cc=ashok.raj@intel.com \
--cc=baolu.lu@linux.intel.com \
--cc=bharatku@xilinx.com \
--cc=christian.koenig@amd.com \
--cc=devicetree@vger.kernel.org \
--cc=dwmw2@infradead.org \
--cc=ilias.apalodimas@linaro.org \
--cc=iommu@lists.linux-foundation.org \
--cc=jacob.jun.pan@linux.intel.com \
--cc=jcrouse@codeaurora.org \
--cc=jonathan.cameron@huawei.com \
--cc=joro@8bytes.org \
--cc=kevin.tian@intel.com \
--cc=kvm@vger.kernel.org \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-mm@kvack.org \
--cc=linux-pci@vger.kernel.org \
--cc=liubo95@huawei.com \
--cc=liudongdong3@huawei.com \
--cc=nwatters@codeaurora.org \
--cc=okaya@codeaurora.org \
--cc=rfranz@cavium.com \
--cc=rgummal@xilinx.com \
--cc=robdclark@gmail.com \
--cc=robin.murphy@arm.com \
--cc=shunyong.yang@hxt-semitech.com \
--cc=thunder.leizhen@huawei.com \
--cc=tn@semihalf.com \
--cc=will.deacon@arm.com \
--cc=xieyisheng1@huawei.com \
--cc=xuzaibo@huawei.com \
--cc=yi.l.liu@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).