On 02.07.2012, at 07:25, zhlci...@gmail.com wrote: > From: Li Zhang <zhlci...@linux.vnet.ibm.com> > > pSeries machine needs to enable USB to add a USB > keyboard or USB mouse. -usb option won't be used in > the future, and machine options are a better way to > enable USB. > > So this patch is to add USB option to machine options > (-machine type=pseries,usb=on/off) to enable/disable > USB controller. And machines will get the machine option > and create a USB controller if USB is on. > > By the way, USB is on by default on pSeries machine. > So USB controller should be turned off explicitly through > the command line for "-nodefault" case as the following: > -machine type=pseries,usb=off. > > Signed-off-by: Li Zhang <zhlci...@linux.vnet.ibm.com> > Reviewed-by: Andreas Färber <afaer...@suse.de>
Shouldn't you also convert -usb over to the new syntax, so that -usb basically is the same as -machine x,usb=on? Alex > --- > hw/spapr.c | 11 +++++++++++ > qemu-config.c | 4 ++++ > 2 files changed, 15 insertions(+) > > diff --git a/hw/spapr.c b/hw/spapr.c > index 81c9343..973de1b 100644 > --- a/hw/spapr.c > +++ b/hw/spapr.c > @@ -575,6 +575,8 @@ static void ppc_spapr_init(ram_addr_t ram_size, > long load_limit, rtas_limit, fw_size; > long pteg_shift = 17; > char *filename; > + QemuOpts *machine_opts; > + bool add_usb = true; > > spapr = g_malloc0(sizeof(*spapr)); > QLIST_INIT(&spapr->phbs); > @@ -710,6 +712,15 @@ static void ppc_spapr_init(ram_addr_t ram_size, > spapr_vscsi_create(spapr->vio_bus); > } > > + machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0); > + if (machine_opts) { > + add_usb = qemu_opt_get_bool(machine_opts, "usb", true); > + } > + > + if (add_usb) { > + pci_create_simple(QLIST_FIRST(&spapr->phbs)->host_state.bus, > + -1, "pci-ohci"); > + } Didn't I ask you to extract this out to generic code? I don't want to have a "usb" machine opt that is only available for -M pseries. Alex