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/linux-6.12.1/tools/virtio/virtio-trace/
DREADME1 Trace Agent for virtio-trace
7 - splice the page from write_pipe to virtio-console without memory copying
19 write the data to virtio-serial.
28 Makefile: Makefile of trace agent for virtio-trace
38 To use this trace agent for virtio-trace, we need to prepare some virtio-serial
42 virtio-trace uses virtio-serial pipe as trace data paths as to the number
44 # mkdir /tmp/virtio-trace/
45 # mkfifo /tmp/virtio-trace/trace-path-cpu{0,1,2,...,X}.{in,out}
46 # mkfifo /tmp/virtio-trace/agent-ctl-path.{in,out}
53 2) Set up of virtio-serial pipe in a host
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/linux-6.12.1/Documentation/driver-api/virtio/
Dvirtio.rst14 Types") of the virtio spec (`[1]`_). Originally developed as a standard
20 devices provided by the hypervisor, which exposes them as virtio devices
27 Although the virtio devices are really an abstraction layer in the
30 orthogonal to the device itself. The virtio spec defines these transport
35 the hypervisor is done through shared memory (that's what makes virtio
46 Refer to Chapter 2.5 ("Virtqueues") of the virtio spec (`[1]`_) for the
47 reference definitions of virtqueues and "Virtqueues and virtio ring: How
54 ultimately used by virtio drivers:
56 .. kernel-doc:: include/linux/virtio.h
65 .. kernel-doc:: drivers/virtio/virtio_ring.c
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Dwriting_virtio_drivers.rst13 need to hack a new virtio driver or understand the essentials of the
14 existing ones. See :ref:`Virtio on Linux <virtio>` for a general
15 overview of virtio.
21 As a bare minimum, a virtio driver needs to register in the virtio bus
27 #include <linux/virtio.h>
106 MODULE_DEVICE_TABLE(virtio, id_table);
107 MODULE_DESCRIPTION("Dummy virtio driver");
110 The device id ``VIRTIO_ID_DUMMY`` here is a placeholder, virtio drivers
113 in the virtio spec before being added to that file.
138 that's only the second half of the virtio device-driver communication
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/linux-6.12.1/arch/arc/boot/dts/
Dhaps_hs.dts69 virtio0: virtio@f0100000 {
70 compatible = "virtio,mmio";
75 virtio1: virtio@f0102000 {
76 compatible = "virtio,mmio";
81 virtio2: virtio@f0104000 {
82 compatible = "virtio,mmio";
87 virtio3: virtio@f0106000 {
88 compatible = "virtio,mmio";
93 virtio4: virtio@f0108000 {
94 compatible = "virtio,mmio";
/linux-6.12.1/drivers/virtio/
DKconfig9 This option is selected by any driver which implements the virtio
37 bool "Harden virtio notification"
51 tristate "PCI driver for virtio devices"
56 This driver provides support for virtio based paravirtual device
58 virtio backends. Most QEMU based VMMs should support these devices
69 bool "Support for legacy virtio draft 0.9.X and older devices"
82 so, you can happily disable this option and virtio will not
89 tristate "vDPA driver for virtio devices"
93 This driver provides support for virtio based paravirtual
96 physical device to allow the datapath of virtio to be
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/linux-6.12.1/Documentation/translations/zh_CN/filesystems/
Dvirtiofs.rst15 virtiofs: virtio-fs 主机<->客机共享文件系统
22 Linux的virtiofs文件系统实现了一个半虚拟化VIRTIO类型“virtio-fs”设备的驱动，通过该\
29 步骤，且将存储网络暴露给客机。而virtio-fs设备通过提供不经过网络的文件系统访问文件\
43 请查阅 https://virtio-fs.gitlab.io/ 了解配置QEMU和virtiofsd守护程序的详细信息。
47 由于virtio-fs设备将FUSE协议用于文件系统请求，因此Linux的virtiofs文件系统与FUSE文\
49 间之间的/dev/fuse接口由virtio-fs设备接口代替。
56 其关键，因为此时不可能加入高优先级的请求。为了解决此差异，virtio-fs设备采用“hiprio”\
/linux-6.12.1/Documentation/translations/zh_TW/filesystems/
Dvirtiofs.rst16 virtiofs: virtio-fs 主機<->客機共享文件系統
23 Linux的virtiofs文件系統實現了一個半虛擬化VIRTIO類型“virtio-fs”設備的驅動，通過該\
30 步驟，且將存儲網絡暴露給客機。而virtio-fs設備通過提供不經過網絡的文件系統訪問文件\
44 請查閱 https://virtio-fs.gitlab.io/ 瞭解配置QEMU和virtiofsd守護程序的詳細信息。
48 由於virtio-fs設備將FUSE協議用於文件系統請求，因此Linux的virtiofs文件系統與FUSE文\
50 間之間的/dev/fuse接口由virtio-fs設備接口代替。
57 其關鍵，因爲此時不可能加入高優先級的請求。爲了解決此差異，virtio-fs設備採用“hiprio”\
/linux-6.12.1/arch/arm64/boot/dts/arm/
Drtsm_ve-motherboard-rs2.dtsi13 virtio@140000 {
14 compatible = "virtio,mmio";
19 virtio@150000 {
20 compatible = "virtio,mmio";
25 virtio@200000 {
26 compatible = "virtio,mmio";
/linux-6.12.1/Documentation/virt/kvm/s390/
Ds390-diag.rst38 DIAGNOSE function code 'X'500' - KVM virtio functions
41 If the function code specifies 0x500, various virtio-related functions
44 General register 1 contains the virtio subfunction code. Supported
45 virtio subfunctions depend on KVM's userspace. Generally, userspace
46 provides either s390-virtio (subcodes 0-2) or virtio-ccw (subcode 3).
52 Subcode 0 - s390-virtio notification and early console printk
55 Subcode 1 - s390-virtio reset
58 Subcode 2 - s390-virtio set status
61 Subcode 3 - virtio-ccw notification
65 the subchannel of the virtio-ccw proxy device to be notified.
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/linux-6.12.1/Documentation/translations/zh_CN/virt/
Dne_overview.rst57 enclave通过本地通信通道与主虚拟机进行通信，使用virtio-vsock[5]。主虚拟机有
58 virtio-pci vsock模拟设备，而飞地虚拟机有virtio-mmio vsock模拟设备。vsock
60 virtio-vsock设备获得中断。virtio-mmio设备被放置在典型的4 GiB以下的内存中。
/linux-6.12.1/Documentation/filesystems/
Dvirtiofs.rst6 virtiofs: virtio-fs host<->guest shared file system
14 VIRTIO "virtio-fs" device for guest<->host file system sharing. It allows a
24 expose the storage network to the guest. The virtio-fs device was designed to
27 Furthermore the virtio-fs device takes advantage of the co-location of the
39 Please see https://virtio-fs.gitlab.io/ for details on how to configure QEMU
58 Since the virtio-fs device uses the FUSE protocol for file system requests, the
62 with the virtio-fs device interface.
75 the virtio-fs device uses a "hiprio" virtqueue specifically for requests that
/linux-6.12.1/Documentation/networking/
Dnet_failover.rst28 virtio-net accelerated datapath: STANDBY mode
31 net_failover enables hypervisor controlled accelerated datapath to virtio-net
35 feature on the virtio-net interface and assign the same MAC address to both
36 virtio-net and VF interfaces.
45 <model type='virtio'/>
59 In this configuration, the first device definition is for the virtio-net
63 virtio-net device is set to 'down' to ensure that the 'failover' netdev prefers
64 the VF passthrough device for normal communication. The virtio-net device will
70 points to the alias name declared for the virtio-net device.
88 virtio-net interface, and ens11 is the slave 'primary' VF passthrough interface.
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/linux-6.12.1/drivers/vhost/
DKconfig14 the host side of a virtio ring.
35 tristate "Host kernel accelerator for virtio net"
53 for use with virtio-scsi guests
56 tristate "vhost virtio-vsock driver"
64 virtio_transport.ko driver loaded to use the virtio-vsock device.
77 guest virtio devices with the vDPA-based backends.
87 ordering from host while using legacy virtio.
/linux-6.12.1/Documentation/ABI/testing/
Dsysfs-fs-virtiofs3 Contact: virtio-fs@lists.linux.dev
9 Contact: virtio-fs@lists.linux.dev
11 Symlink to the virtio device that exports this filesystem.
/linux-6.12.1/Documentation/staging/
Dremoteproc.rst20 duplicated. In addition, this framework also adds rpmsg virtio devices
24 (for more information about the virtio-based rpmsg bus and its drivers,
26 Registration of other types of virtio devices is now also possible. Firmwares
27 just need to publish what kind of virtio devices do they support, and then
29 existing virtio drivers with remote processor backends at a minimal development
159 context, which will look for virtio devices supported by the rproc's
162 If found, those virtio devices will be created and added, so as a result
163 of registering this remote processor, additional virtio drivers might get
212 handlers. If rpmsg/virtio functionality is also desired, then the ->kick handler
258 supported virtio devices (and their configurations).
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/linux-6.12.1/tools/testing/selftests/drivers/net/virtio_net/
Dvirtio_net_common.sh47 echo "$device" > /sys/bus/virtio/drivers/virtio_net/unbind
48 echo "$device" > /sys/bus/virtio/drivers/virtio_net/bind
56 echo /sys/kernel/debug/virtio/$device/
/linux-6.12.1/Documentation/userspace-api/
Dvduse.rst5 vDPA (virtio data path acceleration) device is a device that uses a
6 datapath which complies with the virtio specifications with vendor
14 Note that only virtio block device is supported by VDUSE framework now,
100 such as device name (uniquely identify a VDUSE device), virtio features, virtio
145 the virtio spec: https://docs.oasis-open.org/virtio/virtio/v1.1/virtio-v1.1.html
147 status bit if the device can not accept the negotiated virtio features
/linux-6.12.1/drivers/vfio/pci/virtio/
DMakefile2 obj-$(CONFIG_VIRTIO_VFIO_PCI) += virtio-vfio-pci.o
3 virtio-vfio-pci-y := main.o
/linux-6.12.1/drivers/gpu/drm/virtio/
DMakefile6 virtio-gpu-y := virtgpu_drv.o virtgpu_kms.o virtgpu_gem.o virtgpu_vram.o \
11 obj-$(CONFIG_DRM_VIRTIO_GPU) += virtio-gpu.o
DKconfig10 This is the virtual GPU driver for virtio. It can be used with
20 Enable modesetting support for virtio GPU driver. This can be
/linux-6.12.1/sound/virtio/
DKconfig2 # Sound card driver for virtio
10 This is the virtual sound driver for virtio. Say Y or M.
/linux-6.12.1/tools/testing/selftests/wireguard/qemu/
DMakefile61 QEMU_VPORT_RESULT := virtio-serial-device
73 QEMU_VPORT_RESULT := virtio-serial-device
85 QEMU_VPORT_RESULT := virtio-serial-device
97 QEMU_VPORT_RESULT := virtio-serial-device
110 QEMU_VPORT_RESULT := virtio-serial-device
121 QEMU_VPORT_RESULT := virtio-serial-device
211 QEMU_VPORT_RESULT := virtio-serial-device
222 QEMU_VPORT_RESULT := virtio-serial-device
233 QEMU_VPORT_RESULT := virtio-serial-device
245 QEMU_VPORT_RESULT := virtio-serial-ccw
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/linux-6.12.1/Documentation/translations/zh_CN/mm/
Dpage_migration.rst123 被迁移，例如，zsmalloc，virtio-balloon页面。
125 对于virtio-balloon页面，迁移代码路径的某些部分已经被钩住，并添加了virtio-balloon
/linux-6.12.1/arch/m68k/virt/
Dplatform.c14 DEFINE_RES_MEM(virt_bi_data.virtio.mmio + id * 0x200, 0x200), in virt_virtio_init()
15 DEFINE_RES_IRQ(virt_bi_data.virtio.irq + id), in virt_virtio_init()
/linux-6.12.1/drivers/vdpa/
DKconfig7 datapath which complies with virtio specifications with
55 virtio dataplane traffic to hardware.
74 of virtio net datapath such that descriptors put on the ring will
95 This kernel module bridges virtio PCI device to vDPA bus.
103 virtio 0.9.5 specification.

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