Hi Alexey,
I just clone qemu from git://git.qemu.org/qemu.git.
commit f55ea6297cc0224fe4934b90ff5343b620b14669
$ ./configure --target-list=ppc64-softmmu --disable-sdl --disable-guest-agent
--prefix="/usr/local"
$ make
$ ./ppc64-softmmu/qemu-system-ppc64 --version
QEMU emulator version 1.7.50, Copyright (c) 2003-2008 Fabrice Bellard
Since libvirt only recognize 'pci' on platforms exclude x86_86/i686,
so it will work with 'pci' on pseries.
$ ./ppc64-softmmu/qemu-system-ppc64 -serial tcp::4444,server,telnet -nographic
-M pseries
QEMU 1.7.50 monitor - type 'help' for more information
(qemu) QEMU waiting for connection on: telnet:0.0.0.0:4444,server
Warning: Disabling some instructions which are not emulated by TCG (0x0, 0x4)
(qemu) info qtree
bus: main-system-bus
type System
dev: spapr-pci-host-bridge, id ""
index = 0 (0)
buid = 576460752840294400 (0x800000020000000)
liobn = 2147483648 (0x80000000)
mem_win_addr = 1102195982336 (0x100a0000000)
mem_win_size = 536870912 (0x20000000)
io_win_addr = 1101659111424 (0x10080000000)
io_win_size = 65536 (0x10000)
irq 0
bus: pci
...
But our problem happened on mpc8544ds/ppce500 and most of other PPC
platforms because they use 'pci.0' as bus name and there's no 'pci'.
$ ./ppc64-softmmu/qemu-system-ppc64 -serial tcp::4444,server,telnet -nographic
-M ppce500
QEMU 1.7.50 monitor - type 'help' for more information
(qemu) QEMU waiting for connection on: telnet:0.0.0.0:4444,server
(qemu) info qtree
bus: main-system-bus
type System
dev: e500-spin, id ""
irq 0
mmio 00000000ef000000/0000000000000400
dev: e500-pcihost, id ""
first_slot = 1 (0x1)
irq 4
mmio ffffffffffffffff/0000000000001000
mmio 00000000e1000000/0000000000010000
bus: pci.0
...
We wish create a whole solution for all PowerPC platforms in libvirt.
So the comments from different vendors will be very important.
Best Regards,
Olivia
> -----Original Message-----
> From: Alexey Kardashevskiy [mailto:a...@ozlabs.ru]
> Sent: Wednesday, March 05, 2014 11:16 PM
> To: Paolo Bonzini; Yin Olivia-R63875; da...@gibson.dropbear.id.au;
> ag...@suse.de
> Cc: qemu-...@nongnu.org; qemu-devel@nongnu.org; Li Zhang
> Subject: Re: QEMU: PCI bus name on PowerPC platforms
>
> On 03/06/2014 12:35 AM, Paolo Bonzini wrote:
> > Il 05/03/2014 12:43, Alexey Kardashevskiy ha scritto:
> >>
> >> I just tried current upstresm QEMU and it handles bus=pci fine, it
> >> prints an error on bus=pci.0 so I am confused - what qemu are you trying?
> >
> > See below:
>
> I understand, just got confused that "pci" did not work.
>
>
> > 1) virtex-ml507
> > 2) pseries
> > Warning: Disabling some instructions which are not emulated by TCG (0x0,
> 0x4)
> > bus: pci
> > 3) prep
> > bus: pci.0
> > 4) bamboo
> > bus: pci.0
> > 5) ref405ep
> > qemu-system-ppc64: Could not load PowerPC BIOS 'ppc405_rom.bin'
> > 6) taihu
> > qemu-system-ppc64: Could not load PowerPC BIOS 'ppc405_rom.bin'
> > 7) mpc8544ds
> > bus: pci.0
> > 8) g3beige
> > bus: pci.0
> > 9) mac99
> > bus: pci.0
> > 10) ppce500
> > bus: pci.0
> >
> > pseries is the odd one, I think the right thing to do is for QEMU to
> > change the bus name incompatibly, and libvirt to cope with it.
>
> Originally "pci" was used to make libvirt happy so we can easily switch
> pseries to pci.0 or NULL.
>
>
>
> --
> Alexey
>
