From: Vivek Gautam <vivek.gautam@arm.com>
To: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
iommu@lists.linux-foundation.org,
virtualization@lists.linux-foundation.org
Cc: joro@8bytes.org, will.deacon@arm.com, mst@redhat.com,
robin.murphy@arm.com, jean-philippe@linaro.org,
eric.auger@redhat.com, kevin.tian@intel.com,
jacob.jun.pan@linux.intel.com, yi.l.liu@intel.com,
Lorenzo.Pieralisi@arm.com, shameerali.kolothum.thodi@huawei.com,
Vivek Gautam <vivek.gautam@arm.com>,
Alex Williamson <alex.williamson@redhat.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Subject: [PATCH RFC v1 01/11] uapi/virtio-iommu: Add page request grp-id and flags information
Date: Fri, 23 Apr 2021 15:21:37 +0530 [thread overview]
Message-ID: <20210423095147.27922-2-vivek.gautam@arm.com> (raw)
In-Reply-To: <20210423095147.27922-1-vivek.gautam@arm.com>
Add fault information for group-id and necessary flags for page
request faults that can be handled by page fault handler in
virtio-iommu driver.
Signed-off-by: Vivek Gautam <vivek.gautam@arm.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Jean-Philippe Brucker <jean-philippe@linaro.org>
Cc: Eric Auger <eric.auger@redhat.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Kevin Tian <kevin.tian@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Liu Yi L <yi.l.liu@intel.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com>
---
include/uapi/linux/virtio_iommu.h | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/include/uapi/linux/virtio_iommu.h b/include/uapi/linux/virtio_iommu.h
index f8bf927a0689..accc3318ce46 100644
--- a/include/uapi/linux/virtio_iommu.h
+++ b/include/uapi/linux/virtio_iommu.h
@@ -307,14 +307,27 @@ struct virtio_iommu_req_invalidate {
#define VIRTIO_IOMMU_FAULT_F_DMA_UNRECOV 1
#define VIRTIO_IOMMU_FAULT_F_PAGE_REQ 2
+#define VIRTIO_IOMMU_FAULT_PRQ_F_PASID_VALID (1 << 0)
+#define VIRTIO_IOMMU_FAULT_PRQ_F_LAST_PAGE (1 << 1)
+#define VIRTIO_IOMMU_FAULT_PRQ_F_PRIV_DATA (1 << 2)
+#define VIRTIO_IOMMU_FAULT_PRQ_F_NEEDS_PASID (1 << 3)
+
+#define VIRTIO_IOMMU_FAULT_UNREC_F_PASID_VALID (1 << 0)
+#define VIRTIO_IOMMU_FAULT_UNREC_F_ADDR_VALID (1 << 1)
+#define VIRTIO_IOMMU_FAULT_UNREC_F_FETCH_ADDR_VALID (1 << 2)
+
struct virtio_iommu_fault {
__u8 reason;
__u8 reserved[3];
__le16 flt_type;
__u8 reserved2[2];
+ /* flags is actually permission flags */
__le32 flags;
+ /* flags for PASID and Page request handling info */
+ __le32 pr_evt_flags;
__le32 endpoint;
__le32 pasid;
+ __le32 grpid;
__u8 reserved3[4];
__le64 address;
__u8 reserved4[8];
--
2.17.1
next prev parent reply other threads:[~2021-04-23 9:52 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-23 9:51 [PATCH RFC v1 00/11] iommu/virtio: vSVA support with Arm Vivek Gautam
2021-04-23 9:51 ` Vivek Gautam [this message]
2021-09-21 15:58 ` [PATCH RFC v1 01/11] uapi/virtio-iommu: Add page request grp-id and flags information Jean-Philippe Brucker
2021-09-30 4:56 ` Vivek Kumar Gautam
2021-09-30 8:49 ` Jean-Philippe Brucker
2021-09-30 10:57 ` Vivek Kumar Gautam
2021-04-23 9:51 ` [PATCH RFC v1 02/11] iommu/virtio: Maintain a list of endpoints served by viommu_dev Vivek Gautam
2021-09-21 15:59 ` Jean-Philippe Brucker
2021-09-30 9:17 ` Vivek Kumar Gautam
2021-04-23 9:51 ` [PATCH RFC v1 03/11] iommu/virtio: Handle incoming page faults Vivek Gautam
2021-09-21 16:03 ` Jean-Philippe Brucker
2021-10-11 8:11 ` Vivek Gautam
2021-10-11 9:16 ` Jean-Philippe Brucker
2021-10-11 9:20 ` Vivek Kumar Gautam
2021-04-23 9:51 ` [PATCH RFC v1 04/11] iommu/virtio: Add a io page fault queue Vivek Gautam
2021-04-23 9:51 ` [PATCH RFC v1 05/11] iommu/virtio: Add SVA feature and related enable/disable callbacks Vivek Gautam
2021-09-21 16:04 ` Jean-Philippe Brucker
2021-04-23 9:51 ` [PATCH RFC v1 06/11] iommu/pasid-table: Add pasid table ops for shared context management Vivek Gautam
2021-04-23 9:51 ` [PATCH RFC v1 07/11] iommu/arm-smmu-v3: Move shared context descriptor code to cd-lib Vivek Gautam
2021-04-23 9:51 ` [PATCH RFC v1 08/11] iommu/arm-smmu-v3: Implement shared context alloc and free ops Vivek Gautam
2021-09-21 16:07 ` Jean-Philippe Brucker
2021-09-30 9:50 ` Vivek Kumar Gautam
2021-04-23 9:51 ` [PATCH RFC v1 09/11] iommu/virtio: Implement sva bind/unbind calls Vivek Gautam
2021-09-21 16:09 ` Jean-Philippe Brucker
2021-04-23 9:51 ` [PATCH RFC v1 10/11] uapi/virtio-iommu: Add a new request type to send page response Vivek Gautam
2021-09-21 16:16 ` Jean-Philippe Brucker
2021-09-30 9:24 ` Vivek Kumar Gautam
2021-10-06 9:55 ` Jean-Philippe Brucker
2021-04-23 9:51 ` [PATCH RFC v1 11/11] iommu/virtio: Add support " Vivek Gautam
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=20210423095147.27922-2-vivek.gautam@arm.com \
--to=vivek.gautam@arm.com \
--cc=Lorenzo.Pieralisi@arm.com \
--cc=alex.williamson@redhat.com \
--cc=eric.auger@redhat.com \
--cc=iommu@lists.linux-foundation.org \
--cc=jacob.jun.pan@linux.intel.com \
--cc=jean-philippe@linaro.org \
--cc=joro@8bytes.org \
--cc=kevin.tian@intel.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mst@redhat.com \
--cc=robin.murphy@arm.com \
--cc=shameerali.kolothum.thodi@huawei.com \
--cc=virtualization@lists.linux-foundation.org \
--cc=will.deacon@arm.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).