Re: need help with my config

[Philippe Mathieu-Daudé]

Cc'ing qemu-ppc@

On 7/30/21 6:25 AM, Lindsay Ryan wrote:
> Hi
> I'm trying to emulate some physical IBM Power 9's that we have. There
> seems to be plenty of examples of using x86_64 qemu, but slightly less
> for Power. Unless it's specifically for installing AIX
> Anyway, I'm trying to boot the VM as I guess a bare metal Power 9 box,
> then install redhat from Iso on a disk and have it on the network.
> 
> ./qemu-system-ppc64 -cpu POWER9 -smp cpus=4 -machine pseries -m 4096 -M
> accel=tcg  -serial stdio -nodefaults -nographic -device
> megasas,id=scsi0,bus=pci.0,addr=0x5 -drive
> file=/home/hdisk1.qcow2,if=none,id=drive-scsi0-0-0-0,format=qcow2,cache=none
> -device
> scsi-hd,bus=scsi0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0-0-0-0,id=scsi0-0-0-0,bootindex=2
> -cdrom /mnt/images/rhel-8.4-ppc64le-boot.iso -monitor
> telnet:0.0.0.0:3344,server,nowait -netdev
> bridge,id=net0,helper=qemu-bridge-helper,br=bridge0,id=hostnet0
> 
> So the megasas gets detected as a raid controller. Yay. 
> But my qcow2 disk image doesn't seem to be plugged into it correctly as
> it's not detected. 
> It sees the cdrom image and I can boot from it.
> The other thing I can't get working is the network card. 
> 
> On this host system I have some other x86 kvm's running. So Ideally if I
> could plug the nic on this vm into 
> 7: virbr0
> 
> 6: bridge0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue
> state UP group default qlen 1000
>     link/ether 00:25:b5:04:2a:1e brd ff:ff:ff:ff:ff:ff
>     inet 10.126.24.82/24 brd 10.126.24.255 scope global noprefixroute
> bridge0
>        valid_lft forever preferred_lft forever
>     inet6 fe80::76a8:89ec:fc62:9c94/64 scope link noprefixroute
>        valid_lft forever preferred_lft forever
> 7: virbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue
> state UP group default qlen 1000
>     link/ether 52:54:00:51:db:be brd ff:ff:ff:ff:ff:ff
>     inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0
>        valid_lft forever preferred_lft forever
> 
> If I can't do that, then I really only need the ppc64 guest to have
> access out to the internet and I can nat anything incoming
> 
> Any help, particularly about how to plug virtual disk drives into
> virtual disk controllers would be helpful
> regards
> 
> 
> Ryan Lindsay BEng, MSc.
> Linux Storage Administrator
> Research Computing Facility
> 
> 
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