PCIe

Sissejuhatus

TODO

Tõõpõhimõte

• BAR - Base Address Register

Proxmox keskkonnas QEMU kasutamine

Käsu põhiosa on vaadatud töötava vmid=104 virtuaalse arvuti jaoks 'ps aux | grep kvm' vms väljundist, sellele on juurde lisatud '-device' jms ridu

root@pm60-plms:~# cat start-104-orig.sh
/usr/bin/kvm -id 104 -name tf-vm-1,debug-threads=on -no-shutdown -chardev socket,id=qmp,path=/var/run/qemu-server/104.qmp,server=on,wait=off -mon chardev=qmp,mode=control \
-chardev socket,id=qmp-event,path=/var/run/qmeventd.sock,reconnect=5 -mon chardev=qmp-event,mode=control -pidfile /var/run/qemu-server/104.pid -daemonize \
-smbios type=1,uuid=6a72218f-188e-494b-aeb4-7bcc71eca794 -smp 4,sockets=1,cores=4,maxcpus=4 -nodefaults \
-boot menu=on,strict=on,reboot-timeout=1000,splash=/usr/share/qemu-server/bootsplash.jpg -vnc unix:/var/run/qemu-server/104.vnc,password=on \
-cpu kvm64,enforce,+kvm_pv_eoi,+kvm_pv_unhalt,+lahf_lm,+sep -m 4096 -readconfig /usr/share/qemu-server/pve-q35-4.0.cfg \
-device vmgenid,guid=eb8ed186-bea3-4cce-8646-dbd472bc0b5e -device usb-tablet,id=tablet,bus=ehci.0,port=1 \
-chardev socket,id=serial0,path=/var/run/qemu-server/104.serial0,server=on,wait=off -device isa-serial,chardev=serial0 -device VGA,id=vga,bus=pcie.0,addr=0x1 \
-chardev socket,path=/var/run/qemu-server/104.qga,server=on,wait=off,id=qga0 -device virtio-serial,id=qga0,bus=pci.0,addr=0x8 \
-device virtserialport,chardev=qga0,name=org.qemu.guest_agent.0 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3,free-page-reporting=on \
-iscsi initiator-name=iqn.1993-08.org.debian:01:dd493931668f \
-drive file=/dev/pve/vm-104-disk-0,if=none,id=drive-virtio0,format=raw,cache=none,aio=native,detect-zeroes=on \
-device virtio-blk-pci,drive=drive-virtio0,id=virtio0,bus=pci.0,addr=0xa,bootindex=100 \
-netdev type=tap,id=net0,ifname=tap104i0,script=/var/lib/qemu-server/pve-bridge,downscript=/var/lib/qemu-server/pve-bridgedown,vhost=on \
-device virtio-net-pci,mac=FE:BC:F5:88:E0:79,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=1024 \
-netdev type=tap,id=net1,ifname=tap104i1,script=/var/lib/qemu-server/pve-bridge,downscript=/var/lib/qemu-server/pve-bridgedown,vhost=on \
-device virtio-net-pci,mac=0A:A9:C9:F0:39:EF,netdev=net1,bus=pci.0,addr=0x13,id=net1,rx_queue_size=1024,tx_queue_size=1024 -machine type=q35+pve0 \

-device pcie-root-port,id=root_port1,chassis=1,slot=1,bus=pcie.0 \
-device x3130-upstream,id=upstream_port1,bus=root_port1 \
-device xio3130-downstream,id=downstream_port1,bus=upstream_port1,chassis=11,slot=11 \
-drive file=/dev/pve/vm-104-disk-1,if=none,id=drive-virtio1,format=raw,cache=none,aio=native,detect-zeroes=on \
-device virtio-blk-pci,bus=downstream_port1,drive=drive-virtio1,id=virtio1 \
-device xio3130-downstream,id=downstream_port2,bus=upstream_port1,chassis=12,slot=12 \
-drive file=/dev/pve/vm-104-disk-2,if=none,id=drive-virtio2,format=raw,cache=none,aio=native,detect-zeroes=on \
-device virtio-blk-pci,bus=downstream_port2,drive=drive-virtio2,id=virtio2 \
-device xio3130-downstream,id=downstream_port3,bus=upstream_port1,chassis=13,slot=13 \
-drive file=/dev/pve/vm-104-disk-3,if=none,id=drive-virtio3,format=raw,cache=none,aio=native,detect-zeroes=on \
-device virtio-blk-pci,bus=downstream_port3,drive=drive-virtio3,id=virtio3

PCIe seadme eemaldamine ja tagasi lisamine

TODO

Kasulikud lisamaterjalid

• https://linuxhint.com/pci-linux/
• https://www.iram.fr/~blanchet/ethercat/unbind_manually_pci_device.html