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Tsirkin" , Harpreet Singh Anand Subject: [RFC 1/8] [NOTMERGE] Update linux headers Date: Wed, 10 Aug 2022 20:42:13 +0200 Message-Id: <20220810184220.2362292-2-eperezma@redhat.com> In-Reply-To: <20220810184220.2362292-1-eperezma@redhat.com> References: <20220810184220.2362292-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.85 on 10.11.54.8 Received-SPF: pass client-ip=170.10.133.124; envelope-from=eperezma@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add _F_SUSPEND and suspend ioctl. TODO: This is still not merged in Linux upstream, so it may change. --- include/standard-headers/linux/vhost_types.h | 3 +++ linux-headers/linux/vhost.h | 3 +++ 2 files changed, 6 insertions(+) diff --git a/include/standard-headers/linux/vhost_types.h b/include/standard-headers/linux/vhost_types.h index ce78551b0f..c93ed1b920 100644 --- a/include/standard-headers/linux/vhost_types.h +++ b/include/standard-headers/linux/vhost_types.h @@ -161,5 +161,8 @@ struct vhost_vdpa_iova_range { * message */ #define VHOST_BACKEND_F_IOTLB_ASID 0x3 +/* Stop device from processing virtqueue buffers */ +#define VHOST_BACKEND_F_SUSPEND 0x4 + #endif diff --git a/linux-headers/linux/vhost.h b/linux-headers/linux/vhost.h index cab645d4a6..f3f5bea3cb 100644 --- a/linux-headers/linux/vhost.h +++ b/linux-headers/linux/vhost.h @@ -171,4 +171,7 @@ #define VHOST_VDPA_SET_GROUP_ASID _IOW(VHOST_VIRTIO, 0x7C, \ struct vhost_vring_state) +/* Stop or resume a device so it does not process virtqueue requests anymore */ +#define VHOST_VDPA_SUSPEND _IO(VHOST_VIRTIO, 0x7D) + #endif