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spapr_pci: add dynamic-reconfiguration option for spapr-pci-host-bridge

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This option enables/disables PCI hotplug for a particular PHB.

Also add machine compatibility code to disable it by default for machine
types prior to pseries-2.4.

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
[agraf: move commas for compat fields]
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Michael Roth 2015-05-07 15:33:52 +10:00 committed by Alexander Graf
parent e4b798bb53
commit 7619c7b00c
3 changed files with 10 additions and 2 deletions
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9
hw/ppc/spapr.c
View File

@ -1823,7 +1823,12 @@ static const TypeInfo spapr_machine_info = {
};
#define SPAPR_COMPAT_2_3 \
HW_COMPAT_2_3
HW_COMPAT_2_3 \
{\
.driver = "spapr-pci-host-bridge",\
.property = "dynamic-reconfiguration",\
.value = "off",\
},
#define SPAPR_COMPAT_2_2 \
SPAPR_COMPAT_2_3 \
@ -1913,7 +1918,7 @@ static const TypeInfo spapr_machine_2_2_info = {
static void spapr_machine_2_3_class_init(ObjectClass *oc, void *data)
{
static GlobalProperty compat_props[] = {
/* SPAPR_COMPAT_2_3, */
SPAPR_COMPAT_2_3
{ /* end of list */ }
};
MachineClass *mc = MACHINE_CLASS(oc);

2
hw/ppc/spapr_pci.c
View File

@ -936,6 +936,8 @@ static Property spapr_phb_properties[] = {
DEFINE_PROP_UINT64("io_win_addr", sPAPRPHBState, io_win_addr, -1),
DEFINE_PROP_UINT64("io_win_size", sPAPRPHBState, io_win_size,
SPAPR_PCI_IO_WIN_SIZE),
DEFINE_PROP_BOOL("dynamic-reconfiguration", sPAPRPHBState, dr_enabled,
true),
DEFINE_PROP_END_OF_LIST(),
};

1
include/hw/pci-host/spapr.h
View File

@ -71,6 +71,7 @@ struct sPAPRPHBState {
uint32_t index;
uint64_t buid;
char *dtbusname;
bool dr_enabled;
MemoryRegion memspace, iospace;
hwaddr mem_win_addr, mem_win_size, io_win_addr, io_win_size;