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From: Jean-Philippe Brucker <jean-philippe@linaro.org>
To: joro@8bytes.org, will@kernel.org, mst@redhat.com, jasowang@redhat.com
Cc: Jean-Philippe Brucker <jean-philippe@linaro.org>,
	kevin.tian@intel.com, virtualization@lists.linux-foundation.org,
	pasic@linux.ibm.com, iommu@lists.linux-foundation.org,
	sebastien.boeuf@intel.com
Subject: [PATCH v3 1/5] iommu/virtio: Add definitions for VIRTIO_IOMMU_F_BYPASS_CONFIG
Date: Wed,  1 Dec 2021 17:33:21 +0000	[thread overview]
Message-ID: <20211201173323.1045819-2-jean-philippe@linaro.org> (raw)
In-Reply-To: <20211201173323.1045819-1-jean-philippe@linaro.org>

Add definitions for the VIRTIO_IOMMU_F_BYPASS_CONFIG, which supersedes
VIRTIO_IOMMU_F_BYPASS.

Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
---
 include/uapi/linux/virtio_iommu.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/include/uapi/linux/virtio_iommu.h b/include/uapi/linux/virtio_iommu.h
index 237e36a280cb..1ff357f0d72e 100644
--- a/include/uapi/linux/virtio_iommu.h
+++ b/include/uapi/linux/virtio_iommu.h
@@ -16,6 +16,7 @@
 #define VIRTIO_IOMMU_F_BYPASS			3
 #define VIRTIO_IOMMU_F_PROBE			4
 #define VIRTIO_IOMMU_F_MMIO			5
+#define VIRTIO_IOMMU_F_BYPASS_CONFIG		6
 
 struct virtio_iommu_range_64 {
 	__le64					start;
@@ -36,6 +37,8 @@ struct virtio_iommu_config {
 	struct virtio_iommu_range_32		domain_range;
 	/* Probe buffer size */
 	__le32					probe_size;
+	__u8					bypass;
+	__u8					reserved[3];
 };
 
 /* Request types */
@@ -66,11 +69,14 @@ struct virtio_iommu_req_tail {
 	__u8					reserved[3];
 };
 
+#define VIRTIO_IOMMU_ATTACH_F_BYPASS		(1 << 0)
+
 struct virtio_iommu_req_attach {
 	struct virtio_iommu_req_head		head;
 	__le32					domain;
 	__le32					endpoint;
-	__u8					reserved[8];
+	__le32					flags;
+	__u8					reserved[4];
 	struct virtio_iommu_req_tail		tail;
 };
 
-- 
2.34.0

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

WARNING: multiple messages have this Message-ID (diff)
From: Jean-Philippe Brucker <jean-philippe@linaro.org>
To: joro@8bytes.org, will@kernel.org, mst@redhat.com, jasowang@redhat.com
Cc: Jean-Philippe Brucker <jean-philippe@linaro.org>,
	virtualization@lists.linux-foundation.org, pasic@linux.ibm.com,
	eric.auger@redhat.com, iommu@lists.linux-foundation.org,
	sebastien.boeuf@intel.com
Subject: [PATCH v3 1/5] iommu/virtio: Add definitions for VIRTIO_IOMMU_F_BYPASS_CONFIG
Date: Wed,  1 Dec 2021 17:33:21 +0000	[thread overview]
Message-ID: <20211201173323.1045819-2-jean-philippe@linaro.org> (raw)
In-Reply-To: <20211201173323.1045819-1-jean-philippe@linaro.org>

Add definitions for the VIRTIO_IOMMU_F_BYPASS_CONFIG, which supersedes
VIRTIO_IOMMU_F_BYPASS.

Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
---
 include/uapi/linux/virtio_iommu.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/include/uapi/linux/virtio_iommu.h b/include/uapi/linux/virtio_iommu.h
index 237e36a280cb..1ff357f0d72e 100644
--- a/include/uapi/linux/virtio_iommu.h
+++ b/include/uapi/linux/virtio_iommu.h
@@ -16,6 +16,7 @@
 #define VIRTIO_IOMMU_F_BYPASS			3
 #define VIRTIO_IOMMU_F_PROBE			4
 #define VIRTIO_IOMMU_F_MMIO			5
+#define VIRTIO_IOMMU_F_BYPASS_CONFIG		6
 
 struct virtio_iommu_range_64 {
 	__le64					start;
@@ -36,6 +37,8 @@ struct virtio_iommu_config {
 	struct virtio_iommu_range_32		domain_range;
 	/* Probe buffer size */
 	__le32					probe_size;
+	__u8					bypass;
+	__u8					reserved[3];
 };
 
 /* Request types */
@@ -66,11 +69,14 @@ struct virtio_iommu_req_tail {
 	__u8					reserved[3];
 };
 
+#define VIRTIO_IOMMU_ATTACH_F_BYPASS		(1 << 0)
+
 struct virtio_iommu_req_attach {
 	struct virtio_iommu_req_head		head;
 	__le32					domain;
 	__le32					endpoint;
-	__u8					reserved[8];
+	__le32					flags;
+	__u8					reserved[4];
 	struct virtio_iommu_req_tail		tail;
 };
 
-- 
2.34.0

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

  reply	other threads:[~2021-12-01 17:34 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-01 17:33 [PATCH v3 0/5] iommu/virtio: Add identity domains Jean-Philippe Brucker
2021-12-01 17:33 ` Jean-Philippe Brucker
2021-12-01 17:33 ` Jean-Philippe Brucker [this message]
2021-12-01 17:33   ` [PATCH v3 1/5] iommu/virtio: Add definitions for VIRTIO_IOMMU_F_BYPASS_CONFIG Jean-Philippe Brucker
2021-12-02 17:46   ` Eric Auger
2021-12-02 17:46     ` Eric Auger
2021-12-01 17:33 ` [PATCH v3 2/5] iommu/virtio: Support bypass domains Jean-Philippe Brucker
2021-12-01 17:33   ` Jean-Philippe Brucker
2021-12-02 17:54   ` Eric Auger
2021-12-02 17:54     ` Eric Auger
2021-12-01 17:33 ` [PATCH v3 3/5] iommu/virtio: Sort reserved regions Jean-Philippe Brucker
2021-12-01 17:33   ` Jean-Philippe Brucker
2021-12-01 17:33 ` [PATCH v3 4/5] iommu/virtio: Pass end address to viommu_add_mapping() Jean-Philippe Brucker
2021-12-01 17:33   ` Jean-Philippe Brucker
2021-12-01 17:33 ` [PATCH v3 5/5] iommu/virtio: Support identity-mapped domains Jean-Philippe Brucker
2021-12-01 17:33   ` Jean-Philippe Brucker
2021-12-06 14:03 ` [PATCH v3 0/5] iommu/virtio: Add identity domains Joerg Roedel
2021-12-06 14:03   ` Joerg Roedel

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