哈哈哈，最近终于把AMD显卡透传做完了。小论文已经写完。超级开心！！！下面附上我的显卡透传步骤：
Step by Step:
- Hardware
GPU: AMD Firepro W2100
CPU: Intel(R) Core(TM) i3-6100 CPU @ 3.70GHz
MEM: 32G
SSD: 480G
OS: CentOS7.3 + Ocata
- Update kernel for ‘CONFIG_VFIO_PCI_VGA’ and 'i915 VGA arbiter patch’
[root@host016 astute]#rpm -ivh
http://ftp.sjtu.edu.cn/centos/7/centosplus/x86_64/Packages/kernel-plus-3.10.0-514.16.1.el7.centos.plus.x86_64.rpm
[root@host016 astute]# virsh version
根据库编译：libvirt 2.0.0
使用库：libvirt 2.0.0
使用的 API: QEMU 2.0.0
运行管理程序: QEMU 2.6.0
[root@host016 astute]# uname -a
Linux host016 3.10.0-514.16.1.el7.centos.plus.x86_64 #1 SMP Wed Apr 26 15:25:40 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
[root@host016 gpu]# grep CONFIG_VFIO_PCI_VGA /boot/ -r
/boot/config-3.10.0-514.16.1.el7.centos.plus.x86_64:CONFIG_VFIO_PCI_VGA=y
- Modify grub parameter for intel_iommu and i915
[root@host016 gpu]# vi /etc/default/grub
GRUB_CMDLINE_LINUX="crashkernel=auto rhgb quiet idel=poll idel=poll
intel_iommu=on i915.enable_hd_vgaarb=1
modprobe.blacklist=nouveau"
[root@host016 gpu]#
grub2-mkconfig -o /boot/grub2/grub.cf
g
####
GRUB2不再使用 menu.list，而是使用全新的配置文件 /boot/grub2/grub.cfg，文件权限为 444，其目的就是为避免手动更新，我们可以借助 grub2-mkconfig -o /boot/grub2/grub.cfg 命令来更新.
- Set default boot kernel
[root@host016 home]# cat /boot/grub2/grub.cfg | grep menuentry
if [ x"${feature_menuentry_id}" = xy ]; then
menuentry_id_option="--id"
menuentry_id_option=""
export menuentry_id_option
menuentry 'CentOS Linux (3.10.0-514.16.1.el7.centos.plus.x86_64) 7 (Core)' --class centos --class gnu-linux --class gnu --class os --unrestricted $menuentry_id_option 'gnulinux-3.10.0-514.16.1.el7.centos.plus.x86_64-advanced-6170d4eb-feee-4995-8f52-3796351ef5a8' {
menuentry
'CentOS Linux (3.10.0-514.el7.x86_64) 7 (Core)'
--class centos --class gnu-linux --class gnu --class os --unrestricted $menuentry_id_option 'gnulinux-3.10.0-514.el7.x86_64-advanced-6170d4eb-feee-4995-8f52-3796351ef5a8' {
menuentry 'CentOS Linux (3.10.0-327.28.2.el7.x86_64) 7 (Core)' --class centos --class gnu-linux --class gnu --class os --unrestricted $menuentry_id_option 'gnulinux-3.10.0-327.28.2.el7.x86_64-advanced-6170d4eb-feee-4995-8f52-3796351ef5a8' {
menuentry 'CentOS Linux (0-rescue-b3e17b2e45f34c48a47b1571ad9fac3d) 7 (Core)' --class centos --class gnu-linux --class gnu --class os --unrestricted $menuentry_id_option 'gnulinux-0-rescue-b3e17b2e45f34c48a47b1571ad9fac3d-advanced-6170d4eb-feee-4995-8f52-3796351ef5a8'
[root@host016 gpu]# grub2-editenv list
saved_entry=CentOS Linux (3.10.0-514.el7.x86_64) 7 (Core) 《—- current boot kernel
[root@host016 gpu]# [root@host016 home]# grub2-set-default 'CentOS Linux (3.10.0-514.16.1.el7.centos.plus.x86_64) 7 (Core)'
- Modify default load system module and paramter
[root@host016 home]#
echo "blacklist radeon" >> /etc/modprobe.d/blacklist.conf
[root@host016 home]# echo "options vfio_iommu_type1 allow_unsafe_interrupts=1" >> /etc/modprobe.d/vfio_iommu_type1.conf
[root@host016 home]# echo "options kvm ignore_msrs=1" >> /etc/modprobe.d/kvm.conf
- Reboot
[root@host016 home]#reboot
- Check pci info
[root@host016 home]# lspci | grep AMD
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Oland GL [FirePro W2100]
01:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series]
- Detach gpu from host
[root@host016 home]# vi bind.sh
#!/bin/bash
modprobe vfio-pci
for dev in "$@"; do
vendor=$(cat /sys/bus/pci/devices/$dev/vendor)
device=$(cat /sys/bus/pci/devices/$dev/device)
if [ -e /sys/bus/pci/devices/$dev/driver ]; then
echo $dev > /sys/bus/pci/devices/$dev/driver/unbind
fi
echo $vendor $device > /sys/bus/pci/drivers/vfio-pci/new_id
done
[root@host016 home]# ./bind.sh 0000:01:00.0 0000:01:00.1
[root@host016 home]# lspci -s 01:00.0 -v
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Oland GL [FirePro W2100] (prog-if 00 [VGA controller])
Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Device 2120
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at e0000000 (64-bit, prefetchable) [size=256M]
Memory at f7200000 (64-bit, non-prefetchable) [size=256K]
I/O ports at e000 [size=256]
Expansion ROM at f7240000 [disabled] [size=128K]
Capabilities: [48] Vendor Specific Information: Len=08 <?>
Capabilities: [50] Power Management version 3
Capabilities: [58] Express Legacy Endpoint, MSI 00
Capabilities: [a0] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
Capabilities: [150] Advanced Error Reporting
Capabilities: [200] #15
Capabilities: [270] #19
Kernel driver in use: vfio-pci
Kernel modules: radeon
[root@host016 home]# lspci -s 01:00.1 -v
01:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series]
Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series]
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at f7260000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [48] Vendor Specific Information: Len=08 <?>
Capabilities: [50] Power Management version 3
Capabilities: [58] Express Legacy Endpoint, MSI 00
Capabilities: [a0] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
Capabilities: [150] Advanced Error Reporting
Kernel driver in use: vfio-pci
Kernel modules: snd_hda_intel
- Check USB keyboard and mouse info
[root@host016 gpu]# lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 8087:0a2b Intel Corp.
Bus 001 Device 003: ID 24ae:2003
Bus 001 Device 002: ID 046d:c534 Logitech, Inc. Unifying Receiver
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[root@host016 gpu]# lsusb -d 24ae:2003 -v
Bus 001 Device 003: ID 24ae:2003
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x24ae
idProduct 0x2003
bcdDevice 10.01
iManufacturer 1 RAPOO
iProduct 2 RAPOO 5G Wireless Device
- Create vm network(bridge)
brctl addbr br-test
brctl addif br-test 物理网口
echo "allow br-test" > /etc/qemu-kvm/bridge.conf
ifconfig br-test up
- Build start vm script
[root@host016 home]# vi vm_win10.sh
#!/bin/bash
modprobe vfio-pci
QEMU_AUDIO_DRV=alsa \
QEMU_AUDIO_TIMER_PERIOD=0 \
/usr/libexec/qemu-kvm -cpu host,kvm=off -no-user-config -nodefaults -m 4096M \
-smp 2,sockets=1,cores=2,threads=1 -boot menu=on \
-vnc 0.0.0.0:20 -k en-us \
-vga none \
-bios /usr/share/seabios/bios.bin \
-drive file=/var/lib/nova/gpu/win10.img,if=none,id=drive-virtio-disk0,format=qcow2,cache=none,werror=stop,rerror=stop,aio=native \
-device virtio-blk-pci,scsi=off,bus=pcie.0,addr=0x7,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 \
-M q35 \
-net nic,model=virtio,macaddr=00:55:aa:00:00:01 -net bridge,br=br-test \
-monitor unix:/tmp/qmp-sock,server,nowait \
-daemonize \
-device ioh3420,bus=pcie.0,addr=1c.0,multifunction=on,port=1,chassis=1,id=root.1 \
-device vfio-pci,host=01:00.0,bus=root.1,addr= 下1QQ·························· 333300.0,multifunction=on,x-vga=on \
-device vfio-pci,host=01:00.1,bus=root.1,addr=00.1 \
-usbdevice tablet \
-device usb-host,vendorid=0x24ae,productid=0x2003
- Boot vm and start
[root@host016 home]# ./vm_win10.sh &
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