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hw/ppc: modified the condition for usb controllers to be created for some ppc machines 

Some ppc machines create a default usb controller based on a 'machine condition'.
Until now the logic was: create the usb controller if:
 -  the usb option was supplied in cli and value is true or
 -  the usb option was absent and both set_defaults and the machine
    condition were true.

Modified the logic to:
Create the usb controller if:
 - the machine condition is true and defaults are enabled or
 - the usb option is supplied and true.

The main for this is to simplify the usb_enabled method.

Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Message-id: 1420550957-22337-2-git-send-email-marcel@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Marcel Apfelbaum 2015-01-06 15:29:12 +02:00 committed by Peter Maydell
parent ab0302ee76
commit f8b6f8edac
4 changed files with 10 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
hw/ppc/mac_newworld.c
View File

@ -417,7 +417,8 @@ static void ppc_core99_init(MachineState *machine)
dev = qdev_create(adb_bus, TYPE_ADB_MOUSE);
qdev_init_nofail(dev);
if (usb_enabled(machine_arch == ARCH_MAC99_U3)) {
if ((machine_arch == ARCH_MAC99_U3 && defaults_enabled()) ||
usb_enabled(false)) {
pci_create_simple(pci_bus, -1, "pci-ohci");
/* U3 needs to use USB for input because Linux doesn't support via-cuda
on PPC64 */

2
hw/ppc/spapr.c
View File

@ -1486,7 +1486,7 @@ static void ppc_spapr_init(MachineState *machine)
spapr->has_graphics = true;
}
if (usb_enabled(spapr->has_graphics)) {
if ((spapr->has_graphics && defaults_enabled()) || usb_enabled(false)) {
pci_create_simple(phb->bus, -1, "pci-ohci");
if (spapr->has_graphics) {
usbdevice_create("keyboard");

1
include/sysemu/sysemu.h
View File

@ -227,6 +227,7 @@ void qemu_boot_set(const char *boot_order, Error **errp);
QemuOpts *qemu_get_machine_opts(void);
bool defaults_enabled(void);
bool usb_enabled(bool default_usb);
extern QemuOptsList qemu_legacy_drive_opts;

7
vl.c
View File

@ -997,10 +997,15 @@ static int parse_name(QemuOpts *opts, void *opaque)
return 0;
}
bool defaults_enabled(void)
{
return has_defaults;
}
bool usb_enabled(bool default_usb)
{
return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
has_defaults && default_usb);
default_usb);
}
#ifndef _WIN32