new file mode 100644
@@ -0,0 +1,15 @@
+/*
+ * QEMU System Emulation accel internal functions
+ *
+ * Copyright 2021 SUSE LLC
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef ACCEL_SOFTMMU_H
+#define ACCEL_SOFTMMU_H
+
+void accel_init_ops_interfaces(AccelClass *ac);
+
+#endif /* ACCEL_SOFTMMU_H */
@@ -12,8 +12,6 @@
#include "sysemu/cpus.h"
-extern const CpusAccel kvm_cpus;
-
int kvm_init_vcpu(CPUState *cpu, Error **errp);
int kvm_cpu_exec(CPUState *cpu);
void kvm_destroy_vcpu(CPUState *cpu);
similarity index 88%
rename from accel/tcg/tcg-cpus-icount.h
rename to accel/tcg/tcg-accel-ops-icount.h
@@ -14,4 +14,6 @@ void icount_handle_deadline(void);
void icount_prepare_for_run(CPUState *cpu);
void icount_process_data(CPUState *cpu);
+void icount_handle_interrupt(CPUState *cpu, int mask);
+
#endif /* TCG_CPUS_ICOUNT_H */
new file mode 100644
@@ -0,0 +1,19 @@
+/*
+ * QEMU TCG Multi Threaded vCPUs implementation
+ *
+ * Copyright 2021 SUSE LLC
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef TCG_CPUS_MTTCG_H
+#define TCG_CPUS_MTTCG_H
+
+/* kick MTTCG vCPU thread */
+void mttcg_kick_vcpu_thread(CPUState *cpu);
+
+/* start an mttcg vCPU thread */
+void mttcg_start_vcpu_thread(CPUState *cpu);
+
+#endif /* TCG_CPUS_MTTCG_H */
similarity index 100%
rename from accel/tcg/tcg-cpus-rr.h
rename to accel/tcg/tcg-accel-ops-rr.h
similarity index 72%
rename from accel/tcg/tcg-cpus.h
rename to accel/tcg/tcg-accel-ops.h
@@ -14,12 +14,8 @@
#include "sysemu/cpus.h"
-extern const CpusAccel tcg_cpus_mttcg;
-extern const CpusAccel tcg_cpus_icount;
-extern const CpusAccel tcg_cpus_rr;
-
void tcg_cpus_destroy(CPUState *cpu);
int tcg_cpus_exec(CPUState *cpu);
-void tcg_cpus_handle_interrupt(CPUState *cpu, int mask);
+void tcg_handle_interrupt(CPUState *cpu, int mask);
#endif /* TCG_CPUS_H */
@@ -69,6 +69,8 @@ typedef struct AccelClass {
AccelClass *accel_find(const char *opt_name);
AccelState *current_accel(void);
+void accel_init_interfaces(AccelClass *ac);
+
#ifndef CONFIG_USER_ONLY
int accel_init_machine(AccelState *accel, MachineState *ms);
new file mode 100644
@@ -0,0 +1,45 @@
+/*
+ * Accelerator OPS, used for cpus.c module
+ *
+ * Copyright 2021 SUSE LLC
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef ACCEL_OPS_H
+#define ACCEL_OPS_H
+
+#include "qom/object.h"
+
+#define ACCEL_OPS_SUFFIX "-ops"
+#define TYPE_ACCEL_OPS "accel" ACCEL_OPS_SUFFIX
+#define ACCEL_OPS_NAME(name) (name "-" TYPE_ACCEL_OPS)
+
+typedef struct AccelOpsClass AccelOpsClass;
+DECLARE_CLASS_CHECKERS(AccelOpsClass, ACCEL_OPS, TYPE_ACCEL_OPS)
+
+/* cpus.c operations interface */
+struct AccelOpsClass {
+ /*< private >*/
+ ObjectClass parent_class;
+ /*< public >*/
+
+ /* initialization function called when accel is chosen */
+ void (*ops_init)(AccelOpsClass *ops);
+
+ void (*create_vcpu_thread)(CPUState *cpu); /* MANDATORY NON-NULL */
+ void (*kick_vcpu_thread)(CPUState *cpu);
+
+ void (*synchronize_post_reset)(CPUState *cpu);
+ void (*synchronize_post_init)(CPUState *cpu);
+ void (*synchronize_state)(CPUState *cpu);
+ void (*synchronize_pre_loadvm)(CPUState *cpu);
+
+ void (*handle_interrupt)(CPUState *cpu, int mask);
+
+ int64_t (*get_virtual_clock)(void);
+ int64_t (*get_elapsed_ticks)(void);
+};
+
+#endif /* ACCEL_OPS_H */
@@ -2,30 +2,14 @@
#define QEMU_CPUS_H
#include "qemu/timer.h"
+#include "sysemu/accel-ops.h"
-/* cpus.c */
+/* register accel-specific operations */
+void cpus_register_accel(const AccelOpsClass *i);
-/* CPU execution threads */
+/* accel/dummy-cpus.c */
-typedef struct CpusAccel {
- void (*create_vcpu_thread)(CPUState *cpu); /* MANDATORY */
- void (*kick_vcpu_thread)(CPUState *cpu);
-
- void (*synchronize_post_reset)(CPUState *cpu);
- void (*synchronize_post_init)(CPUState *cpu);
- void (*synchronize_state)(CPUState *cpu);
- void (*synchronize_pre_loadvm)(CPUState *cpu);
-
- void (*handle_interrupt)(CPUState *cpu, int mask);
-
- int64_t (*get_virtual_clock)(void);
- int64_t (*get_elapsed_ticks)(void);
-} CpusAccel;
-
-/* register accel-specific cpus interface implementation */
-void cpus_register_accel(const CpusAccel *i);
-
-/* Create a dummy vcpu for CpusAccel->create_vcpu_thread */
+/* Create a dummy vcpu for AccelOpsClass->create_vcpu_thread */
void dummy_start_vcpu_thread(CPUState *);
/* interface available for cpus accelerator threads */
similarity index 95%
rename from target/i386/hax/hax-cpus.h
rename to target/i386/hax/hax-accel-ops.h
@@ -12,8 +12,6 @@
#include "sysemu/cpus.h"
-extern const CpusAccel hax_cpus;
-
#include "hax-interface.h"
#include "hax-i386.h"
@@ -23,7 +23,7 @@
#include <winioctl.h>
#include <windef.h>
-#include "hax-cpus.h"
+#include "hax-accel-ops.h"
#define HAX_INVALID_FD INVALID_HANDLE_VALUE
similarity index 94%
rename from target/i386/hvf/hvf-cpus.h
rename to target/i386/hvf/hvf-accel-ops.h
@@ -12,8 +12,6 @@
#include "sysemu/cpus.h"
-extern const CpusAccel hvf_cpus;
-
int hvf_init_vcpu(CPUState *);
int hvf_vcpu_exec(CPUState *);
void hvf_cpu_synchronize_state(CPUState *);
similarity index 96%
rename from target/i386/whpx/whpx-cpus.h
rename to target/i386/whpx/whpx-accel-ops.h
@@ -12,8 +12,6 @@
#include "sysemu/cpus.h"
-extern const CpusAccel whpx_cpus;
-
int whpx_init_vcpu(CPUState *cpu);
int whpx_vcpu_exec(CPUState *cpu);
void whpx_destroy_vcpu(CPUState *cpu);
@@ -26,6 +26,10 @@
#include "qemu/osdep.h"
#include "qemu/accel.h"
+#ifndef CONFIG_USER_ONLY
+#include "accel-softmmu.h"
+#endif /* !CONFIG_USER_ONLY */
+
static const TypeInfo accel_type = {
.name = TYPE_ACCEL,
.parent = TYPE_OBJECT,
@@ -42,6 +46,13 @@ AccelClass *accel_find(const char *opt_name)
return ac;
}
+void accel_init_interfaces(AccelClass *ac)
+{
+#ifndef CONFIG_USER_ONLY
+ accel_init_ops_interfaces(ac);
+#endif /* !CONFIG_USER_ONLY */
+}
+
static void register_accel_types(void)
{
type_register_static(&accel_type);
@@ -26,9 +26,9 @@
#include "qemu/osdep.h"
#include "qemu/accel.h"
#include "hw/boards.h"
-#include "sysemu/arch_init.h"
-#include "sysemu/sysemu.h"
-#include "qom/object.h"
+#include "sysemu/cpus.h"
+
+#include "accel-softmmu.h"
int accel_init_machine(AccelState *accel, MachineState *ms)
{
@@ -60,3 +60,41 @@ void accel_setup_post(MachineState *ms)
acc->setup_post(ms, accel);
}
}
+
+/* initialize the arch-independent accel operation interfaces */
+void accel_init_ops_interfaces(AccelClass *ac)
+{
+ const char *ac_name;
+ char *ops_name;
+ AccelOpsClass *ops;
+
+ ac_name = object_class_get_name(OBJECT_CLASS(ac));
+ g_assert(ac_name != NULL);
+
+ ops_name = g_strdup_printf("%s" ACCEL_OPS_SUFFIX, ac_name);
+ ops = ACCEL_OPS_CLASS(object_class_by_name(ops_name));
+ g_free(ops_name);
+
+ /*
+ * all accelerators need to define ops, providing at least a mandatory
+ * non-NULL create_vcpu_thread operation.
+ */
+ g_assert(ops != NULL);
+ if (ops->ops_init) {
+ ops->ops_init(ops);
+ }
+ cpus_register_accel(ops);
+}
+
+static const TypeInfo accel_ops_type_info = {
+ .name = TYPE_ACCEL_OPS,
+ .parent = TYPE_OBJECT,
+ .abstract = true,
+ .class_size = sizeof(AccelOpsClass),
+};
+
+static void accel_softmmu_register_types(void)
+{
+ type_register_static(&accel_ops_type_info);
+}
+type_init(accel_softmmu_register_types);
similarity index 72%
rename from accel/kvm/kvm-cpus.c
rename to accel/kvm/kvm-accel-ops.c
@@ -74,11 +74,27 @@ static void kvm_start_vcpu_thread(CPUState *cpu)
cpu, QEMU_THREAD_JOINABLE);
}
-const CpusAccel kvm_cpus = {
- .create_vcpu_thread = kvm_start_vcpu_thread,
+static void kvm_accel_ops_class_init(ObjectClass *oc, void *data)
+{
+ AccelOpsClass *ops = ACCEL_OPS_CLASS(oc);
- .synchronize_post_reset = kvm_cpu_synchronize_post_reset,
- .synchronize_post_init = kvm_cpu_synchronize_post_init,
- .synchronize_state = kvm_cpu_synchronize_state,
- .synchronize_pre_loadvm = kvm_cpu_synchronize_pre_loadvm,
+ ops->create_vcpu_thread = kvm_start_vcpu_thread;
+ ops->synchronize_post_reset = kvm_cpu_synchronize_post_reset;
+ ops->synchronize_post_init = kvm_cpu_synchronize_post_init;
+ ops->synchronize_state = kvm_cpu_synchronize_state;
+ ops->synchronize_pre_loadvm = kvm_cpu_synchronize_pre_loadvm;
+}
+
+static const TypeInfo kvm_accel_ops_type = {
+ .name = ACCEL_OPS_NAME("kvm"),
+
+ .parent = TYPE_ACCEL_OPS,
+ .class_init = kvm_accel_ops_class_init,
+ .abstract = true,
};
+
+static void kvm_accel_ops_register_types(void)
+{
+ type_register_static(&kvm_accel_ops_type);
+}
+type_init(kvm_accel_ops_register_types);
@@ -2256,8 +2256,6 @@ static int kvm_init(MachineState *ms)
ret = ram_block_discard_disable(true);
assert(!ret);
}
-
- cpus_register_accel(&kvm_cpus);
return 0;
err:
@@ -25,14 +25,8 @@
#include "qemu/main-loop.h"
#include "hw/core/cpu.h"
-const CpusAccel qtest_cpus = {
- .create_vcpu_thread = dummy_start_vcpu_thread,
- .get_virtual_clock = qtest_get_virtual_clock,
-};
-
static int qtest_init_accel(MachineState *ms)
{
- cpus_register_accel(&qtest_cpus);
return 0;
}
@@ -52,9 +46,26 @@ static const TypeInfo qtest_accel_type = {
.class_init = qtest_accel_class_init,
};
+static void qtest_accel_ops_class_init(ObjectClass *oc, void *data)
+{
+ AccelOpsClass *ops = ACCEL_OPS_CLASS(oc);
+
+ ops->create_vcpu_thread = dummy_start_vcpu_thread;
+ ops->get_virtual_clock = qtest_get_virtual_clock;
+};
+
+static const TypeInfo qtest_accel_ops_type = {
+ .name = ACCEL_OPS_NAME("qtest"),
+
+ .parent = TYPE_ACCEL_OPS,
+ .class_init = qtest_accel_ops_class_init,
+ .abstract = true,
+};
+
static void qtest_type_init(void)
{
type_register_static(&qtest_accel_type);
+ type_register_static(&qtest_accel_ops_type);
}
type_init(qtest_type_init);
similarity index 89%
rename from accel/tcg/tcg-cpus-icount.c
rename to accel/tcg/tcg-accel-ops-icount.c
@@ -32,9 +32,9 @@
#include "exec/exec-all.h"
#include "hw/boards.h"
-#include "tcg-cpus.h"
-#include "tcg-cpus-icount.h"
-#include "tcg-cpus-rr.h"
+#include "tcg-accel-ops.h"
+#include "tcg-accel-ops-icount.h"
+#include "tcg-accel-ops-rr.h"
static int64_t icount_get_limit(void)
{
@@ -93,7 +93,7 @@ void icount_prepare_for_run(CPUState *cpu)
/*
* These should always be cleared by icount_process_data after
* each vCPU execution. However u16.high can be raised
- * asynchronously by cpu_exit/cpu_interrupt/tcg_cpus_handle_interrupt
+ * asynchronously by cpu_exit/cpu_interrupt/tcg_handle_interrupt
*/
g_assert(cpu_neg(cpu)->icount_decr.u16.low == 0);
g_assert(cpu->icount_extra == 0);
@@ -125,23 +125,14 @@ void icount_process_data(CPUState *cpu)
replay_mutex_unlock();
}
-static void icount_handle_interrupt(CPUState *cpu, int mask)
+void icount_handle_interrupt(CPUState *cpu, int mask)
{
int old_mask = cpu->interrupt_request;
- tcg_cpus_handle_interrupt(cpu, mask);
+ tcg_handle_interrupt(cpu, mask);
if (qemu_cpu_is_self(cpu) &&
!cpu->can_do_io
&& (mask & ~old_mask) != 0) {
cpu_abort(cpu, "Raised interrupt while not in I/O function");
}
}
-
-const CpusAccel tcg_cpus_icount = {
- .create_vcpu_thread = rr_start_vcpu_thread,
- .kick_vcpu_thread = rr_kick_vcpu_thread,
-
- .handle_interrupt = icount_handle_interrupt,
- .get_virtual_clock = icount_get,
- .get_elapsed_ticks = icount_get,
-};
similarity index 92%
rename from accel/tcg/tcg-cpus-mttcg.c
rename to accel/tcg/tcg-accel-ops-mttcg.c
@@ -32,7 +32,8 @@
#include "exec/exec-all.h"
#include "hw/boards.h"
-#include "tcg-cpus.h"
+#include "tcg-accel-ops.h"
+#include "tcg-accel-ops-mttcg.h"
/*
* In the multi-threaded case each vCPU has its own thread. The TLS
@@ -103,12 +104,12 @@ static void *mttcg_cpu_thread_fn(void *arg)
return NULL;
}
-static void mttcg_kick_vcpu_thread(CPUState *cpu)
+void mttcg_kick_vcpu_thread(CPUState *cpu)
{
cpu_exit(cpu);
}
-static void mttcg_start_vcpu_thread(CPUState *cpu)
+void mttcg_start_vcpu_thread(CPUState *cpu)
{
char thread_name[VCPU_THREAD_NAME_SIZE];
@@ -131,10 +132,3 @@ static void mttcg_start_vcpu_thread(CPUState *cpu)
cpu->hThread = qemu_thread_get_handle(cpu->thread);
#endif
}
-
-const CpusAccel tcg_cpus_mttcg = {
- .create_vcpu_thread = mttcg_start_vcpu_thread,
- .kick_vcpu_thread = mttcg_kick_vcpu_thread,
-
- .handle_interrupt = tcg_cpus_handle_interrupt,
-};
similarity index 97%
rename from accel/tcg/tcg-cpus-rr.c
rename to accel/tcg/tcg-accel-ops-rr.c
@@ -32,9 +32,9 @@
#include "exec/exec-all.h"
#include "hw/boards.h"
-#include "tcg-cpus.h"
-#include "tcg-cpus-rr.h"
-#include "tcg-cpus-icount.h"
+#include "tcg-accel-ops.h"
+#include "tcg-accel-ops-rr.h"
+#include "tcg-accel-ops-icount.h"
/* Kick all RR vCPUs */
void rr_kick_vcpu_thread(CPUState *unused)
@@ -296,10 +296,3 @@ void rr_start_vcpu_thread(CPUState *cpu)
cpu->created = true;
}
}
-
-const CpusAccel tcg_cpus_rr = {
- .create_vcpu_thread = rr_start_vcpu_thread,
- .kick_vcpu_thread = rr_kick_vcpu_thread,
-
- .handle_interrupt = tcg_cpus_handle_interrupt,
-};
similarity index 63%
rename from accel/tcg/tcg-cpus.c
rename to accel/tcg/tcg-accel-ops.c
@@ -34,7 +34,10 @@
#include "exec/exec-all.h"
#include "hw/boards.h"
-#include "tcg-cpus.h"
+#include "tcg-accel-ops.h"
+#include "tcg-accel-ops-mttcg.h"
+#include "tcg-accel-ops-rr.h"
+#include "tcg-accel-ops-icount.h"
/* common functionality among all TCG variants */
@@ -64,7 +67,7 @@ int tcg_cpus_exec(CPUState *cpu)
}
/* mask must never be zero, except for A20 change call */
-void tcg_cpus_handle_interrupt(CPUState *cpu, int mask)
+void tcg_handle_interrupt(CPUState *cpu, int mask)
{
g_assert(qemu_mutex_iothread_locked());
@@ -80,3 +83,43 @@ void tcg_cpus_handle_interrupt(CPUState *cpu, int mask)
qatomic_set(&cpu_neg(cpu)->icount_decr.u16.high, -1);
}
}
+
+static void tcg_accel_ops_init(AccelOpsClass *ops)
+{
+ if (qemu_tcg_mttcg_enabled()) {
+ ops->create_vcpu_thread = mttcg_start_vcpu_thread;
+ ops->kick_vcpu_thread = mttcg_kick_vcpu_thread;
+ ops->handle_interrupt = tcg_handle_interrupt;
+ } else if (icount_enabled()) {
+ ops->create_vcpu_thread = rr_start_vcpu_thread;
+ ops->kick_vcpu_thread = rr_kick_vcpu_thread;
+ ops->handle_interrupt = icount_handle_interrupt;
+ ops->get_virtual_clock = icount_get;
+ ops->get_elapsed_ticks = icount_get;
+ } else {
+ ops->create_vcpu_thread = rr_start_vcpu_thread;
+ ops->kick_vcpu_thread = rr_kick_vcpu_thread;
+ ops->handle_interrupt = tcg_handle_interrupt;
+ }
+}
+
+static void tcg_accel_ops_class_init(ObjectClass *oc, void *data)
+{
+ AccelOpsClass *ops = ACCEL_OPS_CLASS(oc);
+
+ ops->ops_init = tcg_accel_ops_init;
+}
+
+static const TypeInfo tcg_accel_ops_type = {
+ .name = ACCEL_OPS_NAME("tcg"),
+
+ .parent = TYPE_ACCEL_OPS,
+ .class_init = tcg_accel_ops_class_init,
+ .abstract = true,
+};
+
+static void tcg_accel_ops_register_types(void)
+{
+ type_register_static(&tcg_accel_ops_type);
+}
+type_init(tcg_accel_ops_register_types);
@@ -33,10 +33,6 @@
#include "qemu/accel.h"
#include "qapi/qapi-builtin-visit.h"
-#ifndef CONFIG_USER_ONLY
-#include "tcg-cpus.h"
-#endif /* CONFIG_USER_ONLY */
-
struct TCGState {
AccelState parent_obj;
@@ -124,14 +120,6 @@ static int tcg_init(MachineState *ms)
*/
#ifndef CONFIG_USER_ONLY
tcg_region_init();
-
- if (mttcg_enabled) {
- cpus_register_accel(&tcg_cpus_mttcg);
- } else if (icount_enabled()) {
- cpus_register_accel(&tcg_cpus_icount);
- } else {
- cpus_register_accel(&tcg_cpus_rr);
- }
#endif /* !CONFIG_USER_ONLY */
return 0;
@@ -154,10 +154,6 @@ static void xen_setup_post(MachineState *ms, AccelState *accel)
}
}
-const CpusAccel xen_cpus = {
- .create_vcpu_thread = dummy_start_vcpu_thread,
-};
-
static int xen_init(MachineState *ms)
{
MachineClass *mc = MACHINE_GET_CLASS(ms);
@@ -185,9 +181,6 @@ static int xen_init(MachineState *ms)
* opt out of system RAM being allocated by generic code
*/
mc->default_ram_id = NULL;
-
- cpus_register_accel(&xen_cpus);
-
return 0;
}
@@ -222,9 +215,24 @@ static const TypeInfo xen_accel_type = {
.class_init = xen_accel_class_init,
};
+static void xen_accel_ops_class_init(ObjectClass *oc, void *data)
+{
+ AccelOpsClass *ops = ACCEL_OPS_CLASS(oc);
+
+ ops->create_vcpu_thread = dummy_start_vcpu_thread;
+}
+
+static const TypeInfo xen_accel_ops_type = {
+ .name = ACCEL_OPS_NAME("xen"),
+
+ .parent = TYPE_ACCEL_OPS,
+ .class_init = xen_accel_ops_class_init,
+ .abstract = true,
+};
+
static void xen_type_init(void)
{
type_register_static(&xen_accel_type);
+ type_register_static(&xen_accel_ops_type);
}
-
type_init(xen_type_init);
@@ -909,13 +909,14 @@ int main(int argc, char **argv)
#endif
}
+ cpu_type = parse_cpu_option(cpu_model);
/* init tcg before creating CPUs and to get qemu_host_page_size */
{
AccelClass *ac = ACCEL_GET_CLASS(current_accel());
ac->init_machine(NULL);
+ accel_init_interfaces(ac);
}
- cpu_type = parse_cpu_option(cpu_model);
cpu = cpu_create(cpu_type);
env = cpu->env_ptr;
#if defined(TARGET_SPARC) || defined(TARGET_PPC)
@@ -706,6 +706,7 @@ int main(int argc, char **argv, char **envp)
AccelClass *ac = ACCEL_GET_CLASS(current_accel());
ac->init_machine(NULL);
+ accel_init_interfaces(ac);
}
cpu = cpu_create(cpu_type);
env = cpu->env_ptr;
@@ -128,7 +128,7 @@ void hw_error(const char *fmt, ...)
/*
* The chosen accelerator is supposed to register this.
*/
-static const CpusAccel *cpus_accel;
+static const AccelOpsClass *cpus_accel;
void cpu_synchronize_all_states(void)
{
@@ -594,11 +594,11 @@ void cpu_remove_sync(CPUState *cpu)
qemu_mutex_lock_iothread();
}
-void cpus_register_accel(const CpusAccel *ca)
+void cpus_register_accel(const AccelOpsClass *ops)
{
- assert(ca != NULL);
- assert(ca->create_vcpu_thread != NULL); /* mandatory */
- cpus_accel = ca;
+ assert(ops != NULL);
+ assert(ops->create_vcpu_thread != NULL); /* mandatory */
+ cpus_accel = ops;
}
void qemu_init_vcpu(CPUState *cpu)
@@ -618,7 +618,7 @@ void qemu_init_vcpu(CPUState *cpu)
cpu_address_space_init(cpu, 0, "cpu-memory", cpu->memory);
}
- /* accelerators all implement the CpusAccel interface */
+ /* accelerators all implement the AccelOpsClass */
g_assert(cpus_accel != NULL && cpus_accel->create_vcpu_thread != NULL);
cpus_accel->create_vcpu_thread(cpu);
@@ -1726,7 +1726,8 @@ static bool object_create_early(const char *type, QemuOpts *opts)
return false;
}
- /* Allocation of large amounts of memory may delay
+ /*
+ * Allocation of large amounts of memory may delay
* chardev initialization for too long, and trigger timeouts
* on software that waits for a monitor socket to be created
* (e.g. libvirt).
@@ -3497,7 +3498,7 @@ void qemu_init(int argc, char **argv, char **envp)
*
* Machine compat properties: object_set_machine_compat_props().
* Accelerator compat props: object_set_accelerator_compat_props(),
- * called from configure_accelerator().
+ * called from do_configure_accelerator().
*/
machine_class = MACHINE_GET_CLASS(current_machine);
@@ -3519,6 +3520,8 @@ void qemu_init(int argc, char **argv, char **envp)
if (cpu_option) {
current_machine->cpu_type = parse_cpu_option(cpu_option);
}
+ /* NB: for machine none cpu_type could STILL be NULL here! */
+ accel_init_interfaces(ACCEL_GET_CLASS(current_machine->accelerator));
qemu_resolve_machine_memdev();
parse_numa_opts(current_machine);
similarity index 69%
rename from target/i386/hax/hax-cpus.c
rename to target/i386/hax/hax-accel-ops.c
@@ -26,7 +26,7 @@
#include "sysemu/cpus.h"
#include "qemu/guest-random.h"
-#include "hax-cpus.h"
+#include "hax-accel-ops.h"
static void *hax_cpu_thread_fn(void *arg)
{
@@ -74,12 +74,29 @@ static void hax_start_vcpu_thread(CPUState *cpu)
#endif
}
-const CpusAccel hax_cpus = {
- .create_vcpu_thread = hax_start_vcpu_thread,
- .kick_vcpu_thread = hax_kick_vcpu_thread,
+static void hax_accel_ops_class_init(ObjectClass *oc, void *data)
+{
+ AccelOpsClass *ops = ACCEL_OPS_CLASS(oc);
- .synchronize_post_reset = hax_cpu_synchronize_post_reset,
- .synchronize_post_init = hax_cpu_synchronize_post_init,
- .synchronize_state = hax_cpu_synchronize_state,
- .synchronize_pre_loadvm = hax_cpu_synchronize_pre_loadvm,
+ ops->create_vcpu_thread = hax_start_vcpu_thread;
+ ops->kick_vcpu_thread = hax_kick_vcpu_thread;
+
+ ops->synchronize_post_reset = hax_cpu_synchronize_post_reset;
+ ops->synchronize_post_init = hax_cpu_synchronize_post_init;
+ ops->synchronize_state = hax_cpu_synchronize_state;
+ ops->synchronize_pre_loadvm = hax_cpu_synchronize_pre_loadvm;
+}
+
+static const TypeInfo hax_accel_ops_type = {
+ .name = ACCEL_OPS_NAME("hax"),
+
+ .parent = TYPE_ACCEL_OPS,
+ .class_init = hax_accel_ops_class_init,
+ .abstract = true,
};
+
+static void hax_accel_ops_register_types(void)
+{
+ type_register_static(&hax_accel_ops_type);
+}
+type_init(hax_accel_ops_register_types);
@@ -33,7 +33,7 @@
#include "sysemu/runstate.h"
#include "hw/boards.h"
-#include "hax-cpus.h"
+#include "hax-accel-ops.h"
#define DEBUG_HAX 0
@@ -364,9 +364,6 @@ static int hax_accel_init(MachineState *ms)
!ret ? "working" : "not working",
!ret ? "fast virt" : "emulation");
}
- if (ret == 0) {
- cpus_register_accel(&hax_cpus);
- }
return ret;
}
@@ -13,7 +13,7 @@
#include "exec/address-spaces.h"
#include "qemu/error-report.h"
-#include "hax-cpus.h"
+#include "hax-accel-ops.h"
#include "qemu/queue.h"
#define DEBUG_HAX_MEM 0
@@ -15,7 +15,7 @@
#include <sys/ioctl.h>
#include "sysemu/cpus.h"
-#include "hax-cpus.h"
+#include "hax-accel-ops.h"
hax_fd hax_mod_open(void)
{
@@ -12,7 +12,7 @@
#include "qemu/osdep.h"
#include "cpu.h"
-#include "hax-cpus.h"
+#include "hax-accel-ops.h"
/*
* return 0 when success, -1 when driver not loaded,
similarity index 84%
rename from target/i386/hvf/hvf-cpus.c
rename to target/i386/hvf/hvf-accel-ops.c
@@ -55,7 +55,7 @@
#include "target/i386/cpu.h"
#include "qemu/guest-random.h"
-#include "hvf-cpus.h"
+#include "hvf-accel-ops.h"
/*
* The HVF-specific vCPU thread function. This one should only run when the host
@@ -121,11 +121,26 @@ static void hvf_start_vcpu_thread(CPUState *cpu)
cpu, QEMU_THREAD_JOINABLE);
}
-const CpusAccel hvf_cpus = {
- .create_vcpu_thread = hvf_start_vcpu_thread,
+static void hvf_accel_ops_class_init(ObjectClass *oc, void *data)
+{
+ AccelOpsClass *ops = ACCEL_OPS_CLASS(oc);
- .synchronize_post_reset = hvf_cpu_synchronize_post_reset,
- .synchronize_post_init = hvf_cpu_synchronize_post_init,
- .synchronize_state = hvf_cpu_synchronize_state,
- .synchronize_pre_loadvm = hvf_cpu_synchronize_pre_loadvm,
+ ops->create_vcpu_thread = hvf_start_vcpu_thread;
+
+ ops->synchronize_post_reset = hvf_cpu_synchronize_post_reset;
+ ops->synchronize_post_init = hvf_cpu_synchronize_post_init;
+ ops->synchronize_state = hvf_cpu_synchronize_state;
+ ops->synchronize_pre_loadvm = hvf_cpu_synchronize_pre_loadvm;
};
+static const TypeInfo hvf_accel_ops_type = {
+ .name = ACCEL_OPS_NAME("hvf"),
+
+ .parent = TYPE_ACCEL_OPS,
+ .class_init = hvf_accel_ops_class_init,
+ .abstract = true,
+};
+static void hvf_accel_ops_register_types(void)
+{
+ type_register_static(&hvf_accel_ops_type);
+}
+type_init(hvf_accel_ops_register_types);
@@ -72,7 +72,7 @@
#include "qemu/accel.h"
#include "target/i386/cpu.h"
-#include "hvf-cpus.h"
+#include "hvf-accel-ops.h"
HVFState *hvf_state;
@@ -887,7 +887,6 @@ static int hvf_accel_init(MachineState *ms)
hvf_state = s;
memory_listener_register(&hvf_memory_listener, &address_space_memory);
- cpus_register_accel(&hvf_cpus);
return 0;
}
@@ -32,7 +32,7 @@
#include <Hypervisor/hv.h>
#include <Hypervisor/hv_vmx.h>
-#include "hvf-cpus.h"
+#include "hvf-accel-ops.h"
void hvf_set_segment(struct CPUState *cpu, struct vmx_segment *vmx_seg,
SegmentCache *qseg, bool is_tr)
similarity index 71%
rename from target/i386/whpx/whpx-cpus.c
rename to target/i386/whpx/whpx-accel-ops.c
@@ -16,7 +16,7 @@
#include "sysemu/whpx.h"
#include "whpx-internal.h"
-#include "whpx-cpus.h"
+#include "whpx-accel-ops.h"
static void *whpx_cpu_thread_fn(void *arg)
{
@@ -83,12 +83,29 @@ static void whpx_kick_vcpu_thread(CPUState *cpu)
}
}
-const CpusAccel whpx_cpus = {
- .create_vcpu_thread = whpx_start_vcpu_thread,
- .kick_vcpu_thread = whpx_kick_vcpu_thread,
+static void whpx_accel_ops_class_init(ObjectClass *oc, void *data)
+{
+ AccelOpsClass *ops = ACCEL_OPS_CLASS(oc);
- .synchronize_post_reset = whpx_cpu_synchronize_post_reset,
- .synchronize_post_init = whpx_cpu_synchronize_post_init,
- .synchronize_state = whpx_cpu_synchronize_state,
- .synchronize_pre_loadvm = whpx_cpu_synchronize_pre_loadvm,
+ ops->create_vcpu_thread = whpx_start_vcpu_thread;
+ ops->kick_vcpu_thread = whpx_kick_vcpu_thread;
+
+ ops->synchronize_post_reset = whpx_cpu_synchronize_post_reset;
+ ops->synchronize_post_init = whpx_cpu_synchronize_post_init;
+ ops->synchronize_state = whpx_cpu_synchronize_state;
+ ops->synchronize_pre_loadvm = whpx_cpu_synchronize_pre_loadvm;
+}
+
+static const TypeInfo whpx_accel_ops_type = {
+ .name = ACCEL_OPS_NAME("whpx"),
+
+ .parent = TYPE_ACCEL_OPS,
+ .class_init = whpx_accel_ops_class_init,
+ .abstract = true,
};
+
+static void whpx_accel_ops_register_types(void)
+{
+ type_register_static(&whpx_accel_ops_type);
+}
+type_init(whpx_accel_ops_register_types);
@@ -28,8 +28,11 @@
#include "migration/blocker.h"
#include <winerror.h>
-#include "whpx-cpus.h"
#include "whpx-internal.h"
+#include "whpx-accel-ops.h"
+
+#include <WinHvPlatform.h>
+#include <WinHvEmulation.h>
#define HYPERV_APIC_BUS_FREQUENCY (200000000ULL)
@@ -1846,8 +1849,6 @@ static int whpx_accel_init(MachineState *ms)
whpx_memory_init();
- cpus_register_accel(&whpx_cpus);
-
printf("Windows Hypervisor Platform accelerator is operational\n");
return 0;
@@ -439,7 +439,8 @@ M: Richard Henderson <richard.henderson@linaro.org>
R: Paolo Bonzini <pbonzini@redhat.com>
S: Maintained
F: include/qemu/accel.h
-F: accel/accel.c
+F: include/sysemu/accel-ops.h
+F: accel/accel-*.c
F: accel/Makefile.objs
F: accel/stubs/Makefile.objs
@@ -1,7 +1,7 @@
kvm_ss = ss.source_set()
kvm_ss.add(files(
'kvm-all.c',
- 'kvm-cpus.c',
+ 'kvm-accel-ops.c',
))
kvm_ss.add(when: 'CONFIG_SEV', if_false: files('sev-stub.c'))
@@ -15,8 +15,8 @@ specific_ss.add_all(when: 'CONFIG_TCG', if_true: tcg_ss)
specific_ss.add(when: ['CONFIG_SOFTMMU', 'CONFIG_TCG'], if_true: files(
'cputlb.c',
- 'tcg-cpus.c',
- 'tcg-cpus-mttcg.c',
- 'tcg-cpus-icount.c',
- 'tcg-cpus-rr.c'
+ 'tcg-accel-ops.c',
+ 'tcg-accel-ops-mttcg.c',
+ 'tcg-accel-ops-icount.c',
+ 'tcg-accel-ops-rr.c'
))
@@ -1,7 +1,7 @@
i386_softmmu_ss.add(when: 'CONFIG_HAX', if_true: files(
'hax-all.c',
'hax-mem.c',
- 'hax-cpus.c',
+ 'hax-accel-ops.c',
))
i386_softmmu_ss.add(when: ['CONFIG_HAX', 'CONFIG_POSIX'], if_true: files('hax-posix.c'))
i386_softmmu_ss.add(when: ['CONFIG_HAX', 'CONFIG_WIN32'], if_true: files('hax-windows.c'))
@@ -1,6 +1,6 @@
i386_softmmu_ss.add(when: [hvf, 'CONFIG_HVF'], if_true: files(
'hvf.c',
- 'hvf-cpus.c',
+ 'hvf-accel-ops.c',
'x86.c',
'x86_cpuid.c',
'x86_decode.c',
@@ -1,5 +1,5 @@
i386_softmmu_ss.add(when: 'CONFIG_WHPX', if_true: files(
'whpx-all.c',
'whpx-apic.c',
- 'whpx-cpus.c',
+ 'whpx-accel-ops.c',
))