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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
Download patch file Download diff file Expand all files Collapse all files

18
hw/i386/pc_q35.c
View file

@ -47,6 +47,7 @@
#define MAX_SATA_PORTS 6
static bool has_pvpanic = true;
static bool has_pci_info = true;
/* PC hardware initialisation */
static void pc_q35_init(QEMUMachineInitArgs *args)
@ -77,6 +78,7 @@ static void pc_q35_init(QEMUMachineInitArgs *args)
ICH9LPCState *ich9_lpc;
PCIDevice *ahci;
DeviceState *icc_bridge;
PcGuestInfo *guest_info;
icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
object_property_add_child(qdev_get_machine(), "icc-bridge",
@ -105,11 +107,14 @@ static void pc_q35_init(QEMUMachineInitArgs *args)
rom_memory = get_system_memory();
}
guest_info = pc_guest_info_init(below_4g_mem_size, above_4g_mem_size);
guest_info->has_pci_info = has_pci_info;
/* allocate ram and load rom/bios */
if (!xen_enabled()) {
pc_memory_init(get_system_memory(), kernel_filename, kernel_cmdline,
initrd_filename, below_4g_mem_size, above_4g_mem_size,
rom_memory, &ram_memory);
rom_memory, &ram_memory, guest_info);
}
/* irq lines */
@ -131,6 +136,7 @@ static void pc_q35_init(QEMUMachineInitArgs *args)
q35_host->mch.address_space_io = get_system_io();
q35_host->mch.below_4g_mem_size = below_4g_mem_size;
q35_host->mch.above_4g_mem_size = above_4g_mem_size;
q35_host->mch.guest_info = guest_info;
/* pci */
qdev_init_nofail(DEVICE(q35_host));
host_bus = q35_host->host.pci.bus;
@ -208,11 +214,17 @@ static void pc_q35_init(QEMUMachineInitArgs *args)
}
}
static void pc_q35_init_1_5(QEMUMachineInitArgs *args)
{
has_pci_info = false;
pc_q35_init(args);
}
static void pc_q35_init_1_4(QEMUMachineInitArgs *args)
{
has_pvpanic = false;
x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
pc_q35_init(args);
pc_q35_init_1_5(args);
}
static QEMUMachine pc_q35_machine_v1_6 = {
@ -228,7 +240,7 @@ static QEMUMachine pc_q35_machine_v1_6 = {
static QEMUMachine pc_q35_machine_v1_5 = {
.name = "pc-q35-1.5",
.desc = "Standard PC (Q35 + ICH9, 2009)",
.init = pc_q35_init,
.init = pc_q35_init_1_5,
.hot_add_cpu = pc_hot_add_cpu,
.max_cpus = 255,
.compat_props = (GlobalProperty[]) {