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pc: Move enforce_aligned_dimm to PCMachineClass 

enforce_aligned_dimm never changes after the machine is
initialized, so it can be simply set in PCMachineClass like all
the other compat fields.

Cc: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Eduardo Habkost 2015-12-01 20:58:06 -02:00 committed by Michael S. Tsirkin
parent cd4040ec18
commit 16a9e8a5bc
4 changed files with 12 additions and 14 deletions
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12
hw/i386/pc.c
View File

@ -1295,6 +1295,7 @@ FWCfgState *pc_memory_init(PCMachineState *pcms,
MemoryRegion *ram_below_4g, *ram_above_4g;
FWCfgState *fw_cfg;
MachineState *machine = MACHINE(pcms);
PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
assert(machine->ram_size == pcms->below_4g_mem_size +
pcms->above_4g_mem_size);
@ -1356,7 +1357,7 @@ FWCfgState *pc_memory_init(PCMachineState *pcms,
pcms->hotplug_memory.base =
ROUND_UP(0x100000000ULL + pcms->above_4g_mem_size, 1ULL << 30);
if (pcms->enforce_aligned_dimm) {
if (pcmc->enforce_aligned_dimm) {
/* size hotplug region assuming 1G page max alignment per slot */
hotplug_mem_size += (1ULL << 30) * machine->ram_slots;
}
@ -1609,12 +1610,13 @@ static void pc_dimm_plug(HotplugHandler *hotplug_dev,
HotplugHandlerClass *hhc;
Error *local_err = NULL;
PCMachineState *pcms = PC_MACHINE(hotplug_dev);
PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
PCDIMMDevice *dimm = PC_DIMM(dev);
PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm);
MemoryRegion *mr = ddc->get_memory_region(dimm);
uint64_t align = TARGET_PAGE_SIZE;
if (memory_region_get_alignment(mr) && pcms->enforce_aligned_dimm) {
if (memory_region_get_alignment(mr) && pcmc->enforce_aligned_dimm) {
align = memory_region_get_alignment(mr);
}
@ -1865,9 +1867,9 @@ static void pc_machine_set_smm(Object *obj, Visitor *v, void *opaque,
static bool pc_machine_get_aligned_dimm(Object *obj, Error **errp)
{
PCMachineState *pcms = PC_MACHINE(obj);
PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(obj);
return pcms->enforce_aligned_dimm;
return pcmc->enforce_aligned_dimm;
}
static void pc_machine_initfn(Object *obj)
@ -1905,7 +1907,6 @@ static void pc_machine_initfn(Object *obj)
"Enable vmport (pc & q35)",
&error_abort);
pcms->enforce_aligned_dimm = true;
object_property_add_bool(obj, PC_MACHINE_ENFORCE_ALIGNED_DIMM,
pc_machine_get_aligned_dimm,
NULL, &error_abort);
@ -1953,6 +1954,7 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
pcmc->gigabyte_align = true;
pcmc->has_reserved_memory = true;
pcmc->kvmclock_enabled = true;
pcmc->enforce_aligned_dimm = true;
/* BIOS ACPI tables: 128K. Other BIOS datastructures: less than 4K reported
* to be used at the moment, 32K should be enough for a while. */
pcmc->acpi_data_size = 0x20000 + 0x8000;

4
hw/i386/pc_piix.c
View File

@ -308,11 +308,8 @@ static void pc_compat_2_2(MachineState *machine)
static void pc_compat_2_1(MachineState *machine)
{
PCMachineState *pcms = PC_MACHINE(machine);
pc_compat_2_2(machine);
x86_cpu_change_kvm_default("svm", NULL);
pcms->enforce_aligned_dimm = false;
}
static void pc_compat_2_0(MachineState *machine)
@ -484,6 +481,7 @@ static void pc_i440fx_2_1_machine_options(MachineClass *m)
m->default_display = NULL;
SET_MACHINE_COMPAT(m, PC_COMPAT_2_1);
pcmc->smbios_uuid_encoded = false;
pcmc->enforce_aligned_dimm = false;
}
DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1,

4
hw/i386/pc_q35.c
View File

@ -292,10 +292,7 @@ static void pc_compat_2_2(MachineState *machine)
static void pc_compat_2_1(MachineState *machine)
{
PCMachineState *pcms = PC_MACHINE(machine);
pc_compat_2_2(machine);
pcms->enforce_aligned_dimm = false;
x86_cpu_change_kvm_default("svm", NULL);
}
@ -409,6 +406,7 @@ static void pc_q35_2_1_machine_options(MachineClass *m)
m->default_display = NULL;
SET_MACHINE_COMPAT(m, PC_COMPAT_2_1);
pcmc->smbios_uuid_encoded = false;
pcmc->enforce_aligned_dimm = false;
}
DEFINE_Q35_MACHINE(v2_1, "pc-q35-2.1", pc_compat_2_1,

6
include/hw/i386/pc.h
View File

@ -36,8 +36,6 @@
/**
* PCMachineState:
* @acpi_dev: link to ACPI PM device that performs ACPI hotplug handling
* @enforce_aligned_dimm: check that DIMM's address/size is aligned by
* backend's alignment value if provided
*/
struct PCMachineState {
/*< private >*/
@ -52,7 +50,6 @@ struct PCMachineState {
uint64_t max_ram_below_4g;
OnOffAuto vmport;
OnOffAuto smm;
bool enforce_aligned_dimm;
ram_addr_t below_4g_mem_size, above_4g_mem_size;
};
@ -66,6 +63,8 @@ struct PCMachineState {
/**
* PCMachineClass:
* @get_hotplug_handler: pointer to parent class callback @get_hotplug_handler
* @enforce_aligned_dimm: check that DIMM's address/size is aligned by
* backend's alignment value if provided
*/
struct PCMachineClass {
/*< private >*/
@ -94,6 +93,7 @@ struct PCMachineClass {
* and other BIOS datastructures.
*/
unsigned acpi_data_size;
bool enforce_aligned_dimm;
};
#define TYPE_PC_MACHINE "generic-pc-machine"