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x86: move max-ram-below-4g to pc

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Move from X86MachineClass to PCMachineClass so it disappears
from microvm machine type property list.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Message-id: 20200529073957.8018-4-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2020-05-29 09:39:56 +02:00
parent 3235936e30
commit 9a45729d3b
7 changed files with 59 additions and 61 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
hw/i386/pc.c
View File

@ -1857,6 +1857,45 @@ static void pc_machine_set_pit(Object *obj, bool value, Error **errp)
pcms->pit_enabled = value;
}
static void pc_machine_get_max_ram_below_4g(Object *obj, Visitor *v,
const char *name, void *opaque,
Error **errp)
{
PCMachineState *pcms = PC_MACHINE(obj);
uint64_t value = pcms->max_ram_below_4g;
visit_type_size(v, name, &value, errp);
}
static void pc_machine_set_max_ram_below_4g(Object *obj, Visitor *v,
const char *name, void *opaque,
Error **errp)
{
PCMachineState *pcms = PC_MACHINE(obj);
Error *error = NULL;
uint64_t value;
visit_type_size(v, name, &value, &error);
if (error) {
error_propagate(errp, error);
return;
}
if (value > 4 * GiB) {
error_setg(&error,
"Machine option 'max-ram-below-4g=%"PRIu64
"' expects size less than or equal to 4G", value);
error_propagate(errp, error);
return;
}
if (value < 1 * MiB) {
warn_report("Only %" PRIu64 " bytes of RAM below the 4GiB boundary,"
"BIOS may not work with less than 1MiB", value);
}
pcms->max_ram_below_4g = value;
}
static void pc_machine_initfn(Object *obj)
{
PCMachineState *pcms = PC_MACHINE(obj);
@ -1866,6 +1905,7 @@ static void pc_machine_initfn(Object *obj)
#else
pcms->vmport = ON_OFF_AUTO_OFF;
#endif /* CONFIG_VMPORT */
pcms->max_ram_below_4g = 0; /* use default */
/* acpi build is enabled by default if machine supports it */
pcms->acpi_build_enabled = PC_MACHINE_GET_CLASS(pcms)->has_acpi_build;
pcms->smbus_enabled = true;
@ -1964,6 +2004,12 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
mc->numa_mem_supported = true;
mc->default_ram_id = "pc.ram";
object_class_property_add(oc, PC_MACHINE_MAX_RAM_BELOW_4G, "size",
pc_machine_get_max_ram_below_4g, pc_machine_set_max_ram_below_4g,
NULL, NULL);
object_class_property_set_description(oc, PC_MACHINE_MAX_RAM_BELOW_4G,
"Maximum ram below the 4G boundary (32bit boundary)");
object_class_property_add(oc, PC_MACHINE_DEVMEM_REGION_SIZE, "int",
pc_machine_get_device_memory_region_size, NULL,
NULL, NULL);

10
hw/i386/pc_piix.c
View File

@ -129,11 +129,11 @@ static void pc_init1(MachineState *machine,
if (xen_enabled()) {
xen_hvm_init(pcms, &ram_memory);
} else {
if (!x86ms->max_ram_below_4g) {
x86ms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */
if (!pcms->max_ram_below_4g) {
pcms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */
}
lowmem = x86ms->max_ram_below_4g;
if (machine->ram_size >= x86ms->max_ram_below_4g) {
lowmem = pcms->max_ram_below_4g;
if (machine->ram_size >= pcms->max_ram_below_4g) {
if (pcmc->gigabyte_align) {
if (lowmem > 0xc0000000) {
lowmem = 0xc0000000;
@ -142,7 +142,7 @@ static void pc_init1(MachineState *machine,
warn_report("Large machine and max_ram_below_4g "
"(%" PRIu64 ") not a multiple of 1G; "
"possible bad performance.",
x86ms->max_ram_below_4g);
pcms->max_ram_below_4g);
}
}
}

10
hw/i386/pc_q35.c
View File

@ -156,18 +156,18 @@ static void pc_q35_init(MachineState *machine)
/* Handle the machine opt max-ram-below-4g. It is basically doing
* min(qemu limit, user limit).
*/
if (!x86ms->max_ram_below_4g) {
x86ms->max_ram_below_4g = 4 * GiB;
if (!pcms->max_ram_below_4g) {
pcms->max_ram_below_4g = 4 * GiB;
}
if (lowmem > x86ms->max_ram_below_4g) {
lowmem = x86ms->max_ram_below_4g;
if (lowmem > pcms->max_ram_below_4g) {
lowmem = pcms->max_ram_below_4g;
if (machine->ram_size - lowmem > lowmem &&
lowmem & (1 * GiB - 1)) {
warn_report("There is possibly poor performance as the ram size "
" (0x%" PRIx64 ") is more then twice the size of"
" max-ram-below-4g (%"PRIu64") and"
" max-ram-below-4g is not a multiple of 1G.",
(uint64_t)machine->ram_size, x86ms->max_ram_below_4g);
(uint64_t)machine->ram_size, pcms->max_ram_below_4g);
}
}

46
hw/i386/x86.c
View File

@ -846,45 +846,6 @@ void x86_bios_rom_init(MemoryRegion *rom_memory, bool isapc_ram_fw)
bios);
}
static void x86_machine_get_max_ram_below_4g(Object *obj, Visitor *v,
const char *name, void *opaque,
Error **errp)
{
X86MachineState *x86ms = X86_MACHINE(obj);
uint64_t value = x86ms->max_ram_below_4g;
visit_type_size(v, name, &value, errp);
}
static void x86_machine_set_max_ram_below_4g(Object *obj, Visitor *v,
const char *name, void *opaque,
Error **errp)
{
X86MachineState *x86ms = X86_MACHINE(obj);
Error *error = NULL;
uint64_t value;
visit_type_size(v, name, &value, &error);
if (error) {
error_propagate(errp, error);
return;
}
if (value > 4 * GiB) {
error_setg(&error,
"Machine option 'max-ram-below-4g=%"PRIu64
"' expects size less than or equal to 4G", value);
error_propagate(errp, error);
return;
}
if (value < 1 * MiB) {
warn_report("Only %" PRIu64 " bytes of RAM below the 4GiB boundary,"
"BIOS may not work with less than 1MiB", value);
}
x86ms->max_ram_below_4g = value;
}
bool x86_machine_is_smm_enabled(X86MachineState *x86ms)
{
bool smm_available = false;
@ -958,7 +919,6 @@ static void x86_machine_initfn(Object *obj)
x86ms->smm = ON_OFF_AUTO_AUTO;
x86ms->acpi = ON_OFF_AUTO_AUTO;
x86ms->max_ram_below_4g = 0; /* use default */
x86ms->smp_dies = 1;
x86ms->apicid_from_cpu_idx = x86_apicid_from_cpu_idx;
@ -980,12 +940,6 @@ static void x86_machine_class_init(ObjectClass *oc, void *data)
x86mc->save_tsc_khz = true;
nc->nmi_monitor_handler = x86_nmi;
object_class_property_add(oc, X86_MACHINE_MAX_RAM_BELOW_4G, "size",
x86_machine_get_max_ram_below_4g, x86_machine_set_max_ram_below_4g,
NULL, NULL);
object_class_property_set_description(oc, X86_MACHINE_MAX_RAM_BELOW_4G,
"Maximum ram below the 4G boundary (32bit boundary)");
object_class_property_add(oc, X86_MACHINE_SMM, "OnOffAuto",
x86_machine_get_smm, x86_machine_set_smm,
NULL, NULL);

2
hw/i386/xen/xen-hvm.c
View File

@ -205,7 +205,7 @@ static void xen_ram_init(PCMachineState *pcms,
ram_addr_t block_len;
uint64_t user_lowmem =
object_property_get_uint(qdev_get_machine(),
X86_MACHINE_MAX_RAM_BELOW_4G,
PC_MACHINE_MAX_RAM_BELOW_4G,
&error_abort);
/* Handle the machine opt max-ram-below-4g. It is basically doing

2
include/hw/i386/pc.h
View File

@ -35,6 +35,7 @@ struct PCMachineState {
PFlashCFI01 *flash[2];
/* Configuration options: */
uint64_t max_ram_below_4g;
OnOffAuto vmport;
bool acpi_build_enabled;
@ -51,6 +52,7 @@ struct PCMachineState {
};
#define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device"
#define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
#define PC_MACHINE_DEVMEM_REGION_SIZE "device-memory-region-size"
#define PC_MACHINE_VMPORT "vmport"
#define PC_MACHINE_SMBUS "smbus"

4
include/hw/i386/x86.h
View File

@ -51,9 +51,6 @@ typedef struct {
qemu_irq *gsi;
GMappedFile *initrd_mapped_file;
/* Configuration options: */
uint64_t max_ram_below_4g;
/* RAM information (sizes, addresses, configuration): */
ram_addr_t below_4g_mem_size, above_4g_mem_size;
@ -82,7 +79,6 @@ typedef struct {
AddressSpace *ioapic_as;
} X86MachineState;
#define X86_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
#define X86_MACHINE_SMM "smm"
#define X86_MACHINE_ACPI "acpi"