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pci,misc enhancements

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This includes some pci enhancements:
 
 Better support for systems with multiple PCI root buses
 FW cfg interface for more robust pci programming in BIOS
 Minor fixes/cleanups for fw cfg and cross-version migration -
     because of dependencies with other patches
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging

pci,misc enhancements

This includes some pci enhancements:

Better support for systems with multiple PCI root buses
FW cfg interface for more robust pci programming in BIOS
Minor fixes/cleanups for fw cfg and cross-version migration -
    because of dependencies with other patches

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Sun 07 Jul 2013 03:11:18 PM CDT using RSA key ID D28D5469
# gpg: Can't check signature: public key not found

# By David Gibson (10) and others
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
  pci: Fold host_buses list into PCIHostState functionality
  pci: Remove domain from PCIHostBus
  pci: Simpler implementation of primary PCI bus
  pci: Add root bus parameter to pci_nic_init()
  pci: Add root bus argument to pci_get_bus_devfn()
  pci: Replace pci_find_domain() with more general pci_root_bus_path()
  pci: Use helper to find device's root bus in pci_find_domain()
  pci: Abolish pci_find_root_bus()
  pci: Move pci_read_devaddr to pci-hotplug-old.c
  pci: Cleanup configuration for pci-hotplug.c
  pvpanic: fix fwcfg for big endian hosts
  pvpanic: initialization cleanup
  MAINTAINERS: s/Marcelo/Paolo/
  e1000: cleanup process_tx_desc
  pc_piix: cleanup init compat handling
  pc: pass PCI hole ranges to Guests
  pci: store PCI hole ranges in guestinfo structure
  range: add Range structure

Message-id: 1373228271-31223-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Anthony Liguori 2013-07-08 08:00:23 -05:00
commit dc11549ec2
37 changed files with 406 additions and 164 deletions
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33
hw/misc/pvpanic.c
View file

@ -97,26 +97,29 @@ static void pvpanic_isa_realizefn(DeviceState *dev, Error **errp)
{
ISADevice *d = ISA_DEVICE(dev);
PVPanicState *s = ISA_PVPANIC_DEVICE(dev);
static bool port_configured;
FWCfgState *fw_cfg;
isa_register_ioport(d, &s->io, s->ioport);
if (!port_configured) {
fw_cfg = fw_cfg_find();
if (fw_cfg) {
fw_cfg_add_file(fw_cfg, "etc/pvpanic-port",
g_memdup(&s->ioport, sizeof(s->ioport)),
sizeof(s->ioport));
port_configured = true;
}
}
}
int pvpanic_init(ISABus *bus)
static void pvpanic_fw_cfg(ISADevice *dev, FWCfgState *fw_cfg)
{
isa_create_simple(bus, TYPE_ISA_PVPANIC_DEVICE);
return 0;
PVPanicState *s = ISA_PVPANIC_DEVICE(dev);
uint16_t *pvpanic_port = g_malloc(sizeof(*pvpanic_port));
*pvpanic_port = cpu_to_le16(s->ioport);
fw_cfg_add_file(fw_cfg, "etc/pvpanic-port", pvpanic_port,
sizeof(*pvpanic_port));
}
void pvpanic_init(ISABus *bus)
{
ISADevice *dev;
FWCfgState *fw_cfg = fw_cfg_find();
if (!fw_cfg) {
return;
}
dev = isa_create_simple (bus, TYPE_ISA_PVPANIC_DEVICE);
pvpanic_fw_cfg(dev, fw_cfg);
}
static Property pvpanic_isa_properties[] = {