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-rw-r--r--accel/kvm/kvm-all.c43
-rw-r--r--hw/core/machine.c39
-rw-r--r--include/hw/boards.h2
-rw-r--r--qemu-options.hx6
-rw-r--r--target/i386/kvm.c2
-rw-r--r--vl.c4
6 files changed, 51 insertions, 45 deletions
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index 7b9f92d51c..4770dd8c67 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -41,6 +41,7 @@
#include "hw/irq.h"
#include "sysemu/sev.h"
#include "sysemu/balloon.h"
+#include "qapi/visitor.h"
#include "hw/boards.h"
@@ -92,6 +93,7 @@ struct KVMState
int max_nested_state_len;
int many_ioeventfds;
int intx_set_mask;
+ int kvm_shadow_mem;
bool sync_mmu;
bool manual_dirty_log_protect;
/* The man page (and posix) say ioctl numbers are signed int, but
@@ -2954,6 +2956,40 @@ static bool kvm_accel_has_memory(MachineState *ms, AddressSpace *as,
return false;
}
+static void kvm_get_kvm_shadow_mem(Object *obj, Visitor *v,
+ const char *name, void *opaque,
+ Error **errp)
+{
+ KVMState *s = KVM_STATE(obj);
+ int64_t value = s->kvm_shadow_mem;
+
+ visit_type_int(v, name, &value, errp);
+}
+
+static void kvm_set_kvm_shadow_mem(Object *obj, Visitor *v,
+ const char *name, void *opaque,
+ Error **errp)
+{
+ KVMState *s = KVM_STATE(obj);
+ Error *error = NULL;
+ int64_t value;
+
+ visit_type_int(v, name, &value, &error);
+ if (error) {
+ error_propagate(errp, error);
+ return;
+ }
+
+ s->kvm_shadow_mem = value;
+}
+
+static void kvm_accel_instance_init(Object *obj)
+{
+ KVMState *s = KVM_STATE(obj);
+
+ s->kvm_shadow_mem = -1;
+}
+
static void kvm_accel_class_init(ObjectClass *oc, void *data)
{
AccelClass *ac = ACCEL_CLASS(oc);
@@ -2961,11 +2997,18 @@ static void kvm_accel_class_init(ObjectClass *oc, void *data)
ac->init_machine = kvm_init;
ac->has_memory = kvm_accel_has_memory;
ac->allowed = &kvm_allowed;
+
+ object_class_property_add(oc, "kvm-shadow-mem", "int",
+ kvm_get_kvm_shadow_mem, kvm_set_kvm_shadow_mem,
+ NULL, NULL, &error_abort);
+ object_class_property_set_description(oc, "kvm-shadow-mem",
+ "KVM shadow MMU size", &error_abort);
}
static const TypeInfo kvm_accel_type = {
.name = TYPE_KVM_ACCEL,
.parent = TYPE_ACCEL,
+ .instance_init = kvm_accel_instance_init,
.class_init = kvm_accel_class_init,
.instance_size = sizeof(KVMState),
};
diff --git a/hw/core/machine.c b/hw/core/machine.c
index 05cea3aace..9c933539d1 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -216,33 +216,6 @@ static void machine_set_kernel_irqchip(Object *obj, Visitor *v,
}
}
-static void machine_get_kvm_shadow_mem(Object *obj, Visitor *v,
- const char *name, void *opaque,
- Error **errp)
-{
- MachineState *ms = MACHINE(obj);
- int64_t value = ms->kvm_shadow_mem;
-
- visit_type_int(v, name, &value, errp);
-}
-
-static void machine_set_kvm_shadow_mem(Object *obj, Visitor *v,
- const char *name, void *opaque,
- Error **errp)
-{
- MachineState *ms = MACHINE(obj);
- Error *error = NULL;
- int64_t value;
-
- visit_type_int(v, name, &value, &error);
- if (error) {
- error_propagate(errp, error);
- return;
- }
-
- ms->kvm_shadow_mem = value;
-}
-
static char *machine_get_kernel(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
@@ -790,12 +763,6 @@ static void machine_class_init(ObjectClass *oc, void *data)
object_class_property_set_description(oc, "kernel-irqchip",
"Configure KVM in-kernel irqchip", &error_abort);
- object_class_property_add(oc, "kvm-shadow-mem", "int",
- machine_get_kvm_shadow_mem, machine_set_kvm_shadow_mem,
- NULL, NULL, &error_abort);
- object_class_property_set_description(oc, "kvm-shadow-mem",
- "KVM shadow MMU size", &error_abort);
-
object_class_property_add_str(oc, "kernel",
machine_get_kernel, machine_set_kernel, &error_abort);
object_class_property_set_description(oc, "kernel",
@@ -897,7 +864,6 @@ static void machine_initfn(Object *obj)
ms->kernel_irqchip_allowed = true;
ms->kernel_irqchip_split = mc->default_kernel_irqchip_split;
- ms->kvm_shadow_mem = -1;
ms->dump_guest_core = true;
ms->mem_merge = true;
ms->enable_graphics = true;
@@ -968,11 +934,6 @@ bool machine_kernel_irqchip_split(MachineState *machine)
return machine->kernel_irqchip_split;
}
-int machine_kvm_shadow_mem(MachineState *machine)
-{
- return machine->kvm_shadow_mem;
-}
-
int machine_phandle_start(MachineState *machine)
{
return machine->phandle_start;
diff --git a/include/hw/boards.h b/include/hw/boards.h
index 5025c1af9e..6084e61675 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -66,7 +66,6 @@ bool machine_usb(MachineState *machine);
bool machine_kernel_irqchip_allowed(MachineState *machine);
bool machine_kernel_irqchip_required(MachineState *machine);
bool machine_kernel_irqchip_split(MachineState *machine);
-int machine_kvm_shadow_mem(MachineState *machine);
int machine_phandle_start(MachineState *machine);
bool machine_dump_guest_core(MachineState *machine);
bool machine_mem_merge(MachineState *machine);
@@ -278,7 +277,6 @@ struct MachineState {
bool kernel_irqchip_allowed;
bool kernel_irqchip_required;
bool kernel_irqchip_split;
- int kvm_shadow_mem;
char *dtb;
char *dumpdtb;
int phandle_start;
diff --git a/qemu-options.hx b/qemu-options.hx
index 153539092a..004370ccec 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -34,7 +34,6 @@ DEF("machine", HAS_ARG, QEMU_OPTION_machine, \
" supported accelerators are kvm, xen, hax, hvf, whpx or tcg (default: tcg)\n"
" kernel_irqchip=on|off|split controls accelerated irqchip support (default=off)\n"
" vmport=on|off|auto controls emulation of vmport (default: auto)\n"
- " kvm_shadow_mem=size of KVM shadow MMU in bytes\n"
" dump-guest-core=on|off include guest memory in a core dump (default=on)\n"
" mem-merge=on|off controls memory merge support (default: on)\n"
" aes-key-wrap=on|off controls support for AES key wrapping (default=on)\n"
@@ -74,8 +73,6 @@ Controls in-kernel irqchip support for the chosen accelerator when available.
Enables emulation of VMWare IO port, for vmmouse etc. auto says to select the
value based on accel. For accel=xen the default is off otherwise the default
is on.
-@item kvm_shadow_mem=size
-Defines the size of the KVM shadow MMU.
@item dump-guest-core=on|off
Include guest memory in a core dump. The default is on.
@item mem-merge=on|off
@@ -118,6 +115,7 @@ DEF("accel", HAS_ARG, QEMU_OPTION_accel,
"-accel [accel=]accelerator[,prop[=value][,...]]\n"
" select accelerator (kvm, xen, hax, hvf, whpx or tcg; use 'help' for a list)\n"
" igd-passthru=on|off (enable Xen integrated Intel graphics passthrough, default=off)\n"
+ " kvm-shadow-mem=size of KVM shadow MMU in bytes\n"
" tb-size=n (TCG translation block cache size)\n"
" thread=single|multi (enable multi-threaded TCG)\n", QEMU_ARCH_ALL)
STEXI
@@ -131,6 +129,8 @@ fails to initialize.
@item igd-passthru=on|off
When Xen is in use, this option controls whether Intel integrated graphics
devices can be passed through to the guest (default=off)
+@item kvm-shadow-mem=size
+Defines the size of the KVM shadow MMU.
@item tb-size=@var{n}
Controls the size (in MiB) of the TCG translation block cache.
@item thread=single|multi
diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index 1d10046a6c..62ce681a96 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -2163,7 +2163,7 @@ int kvm_arch_init(MachineState *ms, KVMState *s)
}
qemu_register_reset(kvm_unpoison_all, NULL);
- shadow_mem = machine_kvm_shadow_mem(ms);
+ shadow_mem = object_property_get_int(OBJECT(s), "kvm-shadow-mem", &error_abort);
if (shadow_mem != -1) {
shadow_mem /= 4096;
ret = kvm_vm_ioctl(s, KVM_SET_NR_MMU_PAGES, shadow_mem);
diff --git a/vl.c b/vl.c
index 774305c3f7..8c6fcdac3c 100644
--- a/vl.c
+++ b/vl.c
@@ -2514,6 +2514,10 @@ static int machine_set_property(void *opaque,
object_register_sugar_prop(ACCEL_CLASS_NAME("xen"), qom_name, value);
return 0;
}
+ if (g_str_equal(qom_name, "kvm-shadow-mem")) {
+ object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), qom_name, value);
+ return 0;
+ }
return object_parse_property_opt(opaque, name, value, "type", errp);
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-15 16:32:28 +0000