qemu 模型
在 windows 中是可以识别的，但是在虚拟机中无法识别:
物理机测试:
[888118.673614] usb 1-7: new high-speed USB device number 51 using xhci_hcd
[888118.800105] usb 1-7: New USB device found, idVendor=152d, idProduct=0583, bcdDevice= 2.05
[888118.800108] usb 1-7: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[888118.800109] usb 1-7: Product: FF520
[888118.800110] usb 1-7: Manufacturer: Fanxiang
[888118.800111] usb 1-7: SerialNumber: DD56419883B8B
[888118.822635] usbcore: registered new interface driver usb-storage
[888118.835683] scsi host9: uas
[888118.835753] usbcore: registered new interface driver uas
[888118.846042] scsi 9:0:0:0: Direct-Access Fanxiang FF520 0205 PQ: 0 ANSI: 6
[888134.073917] sd 9:0:0:0: [sdd] Unit Not Ready
[888134.073921] sd 9:0:0:0: [sdd] Sense Key : Hardware Error [current]
[888134.073922] sd 9:0:0:0: [sdd] ASC=0x44 <<vendor>>ASCQ=0x81
[888134.074224] sd 9:0:0:0: [sdd] Read Capacity(16) failed: Result: hostbyte=DID_OK driverbyte=DRIVER_OK
[888134.074225] sd 9:0:0:0: [sdd] Sense Key : Hardware Error [current]
[888134.074226] sd 9:0:0:0: [sdd] ASC=0x44 <<vendor>>ASCQ=0x81
[888134.074557] sd 9:0:0:0: [sdd] Read Capacity(10) failed: Result: hostbyte=DID_OK driverbyte=DRIVER_OK
[888134.074557] sd 9:0:0:0: [sdd] Sense Key : Hardware Error [current]
[888134.074558] sd 9:0:0:0: [sdd] ASC=0x44 <<vendor>>ASCQ=0x81
[888134.074632] sd 9:0:0:0: [sdd] 0 512-byte logical blocks: (0 B/0 B)
[888134.074633] sd 9:0:0:0: [sdd] 0-byte physical blocks
[888134.074891] sd 9:0:0:0: [sdd] Test WP failed, assume Write Enabled
[888134.074969] sd 9:0:0:0: [sdd] Asking for cache data failed
[888134.074972] sd 9:0:0:0: [sdd] Assuming drive cache: write through
[888134.074973] sd 9:0:0:0: [sdd] Preferred minimum I/O size 4096 bytes not a multiple of physical block size (0 bytes)
[888134.074975] sd 9:0:0:0: [sdd] Optimal transfer size 33553920 bytes not a multiple of physical block size (0 bytes)
[888134.075207] sd 9:0:0:0: [sdd] Attached SCSI disk
cyme 的识别: 1 53 0x152d 0x0583 FF520 DD56419883B8B 480.0 Mb/s
给 windows 插上过一次之后，之后可以正常识别了:
[888350.687504] usb 1-7: USB disconnect, device number 52
[888685.136542] usb 1-7: new high-speed USB device number 53 using xhci_hcd
[888685.263318] usb 1-7: New USB device found, idVendor=152d, idProduct=0583, bcdDevice= 2.05
[888685.263321] usb 1-7: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[888685.263322] usb 1-7: Product: FF520
[888685.263323] usb 1-7: Manufacturer: Fanxiang
[888685.263324] usb 1-7: SerialNumber: DD56419883B8B
[888685.276189] scsi host9: uas
[888685.286801] scsi 9:0:0:0: Direct-Access Fanxiang FF520 0205 PQ: 0 ANSI: 6
[888689.963941] sd 9:0:0:0: [sdd] 1000215216 512-byte logical blocks: (512 GB/477 GiB)
[888689.963946] sd 9:0:0:0: [sdd] 4096-byte physical blocks
[888689.964078] sd 9:0:0:0: [sdd] Write Protect is off
[888689.964079] sd 9:0:0:0: [sdd] Mode Sense: 5f 00 00 08
[888689.964346] sd 9:0:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[888689.964350] sd 9:0:0:0: [sdd] Preferred minimum I/O size 4096 bytes
[888689.964351] sd 9:0:0:0: [sdd] Optimal transfer size 33553920 bytes not a multiple of preferred minimum block size (4096 bytes)
[888689.965713] sdd: sdd1 sdd2
[888689.965848] sd 9:0:0:0: [sdd] Attached SCSI disk
神奇的地方就是，时间居然是对应的:
qemu 模拟 usb camera 这个是我实在是没有想到的
https://mp.weixin.qq.com/s?__biz=MzkzMTk4OTIwNg==&mid=2247484156&idx=1&sn=eb5468e97a888cb5b76ec2e216559761&scene=21&poc_token=HFT_jWijzafMTqbRV_lKWSfkHzVwTktRLtUaphDb
装机好工具
ventor
-usb、-device qemu-xhci、-device usb-kbd -device usb-tablet （输入有 PS/2 键鼠 + virtio-keyboard 兜底； 要绝对坐标鼠标可加 -device virtio-tablet-pci
-device qemu-xhci,p2=8,p3=8,id=usb
-device usb-kbd,id=input0,bus=usb.0,port=2
-device usb-tablet,id=input1,bus=usb.0,port=3
qemu-system-x86_64 -nodefaults -cpu host,kvm=on,l3-cache=on,+hypervisor,migratable=no,-vmx,+invtsc,hv_passthrough -smp 4,sockets=1,dies=1,cores=4,threads=1 -m 16G -machine type=q35,smm=off,graphics=off,vmport=off,dump-guest-core=off,hpet=off,accel=kvm -enable-kvm -global kvm-pit.lost_tick_policy=discard -smbios type=1,serial=SystemSerialNumber -display vnc=:0,websocket=5700 -vga virtio -monitor telnet:localhost:7100,server,nowait,nodelay -daemonize -D /run/shm/qemu.log -pidfile /run/shm/qemu.pid -name windows,process=windows,debug-threads=on -serial pty -device qemu-xhci,id=xhci,p2=7,p3=7 -device usb-tablet -netdev tap,id=hostnet0,ifname=qemu,vhost=on,vhostfd=40,script=no,downscript=no -device virtio-net-pci,id=net0,netdev=hostnet0,romfile=,mac=02:7C:B2:E1:47:FE -drive file=/storage/data.img,id=data3,format=raw,cache=none,aio=native,discard=on,detect-zeroes=on,if=none -device virtio-scsi-pci,id=data3b,bus=pcie.0,addr=0xa,iothread=io2 -device scsi-hd,drive=data3,bus=data3b.0,channel=0,scsi-id=0,lun=0,rotation_rate=1,bootindex=3 -object iothread,id=io2 -rtc base=localtime -global ICH9-LPC.disable_s3=1 -global ICH9-LPC.disable_s4=1 -drive file=/storage/windows.rom,if=pflash,unit=0,format=raw,readonly=on -drive file=/storage/windows.vars,if=pflash,unit=1,format=raw -object rng-random,id=objrng0,filename=/dev/urandom -device virtio-rng-pci,rng=objrng0,id=rng0,bus=pcie.0 -qmp tcp:0.0.0.0:7149,server,wait=off
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