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Accelerators patches

Browse source 
- Generic API consolidation, cleanups (dead code removal, documentation added)
 - Remove monitor TCG 'info opcount' and @x-query-opcount
 - Have HVF / NVMM / WHPX use generic CPUState::vcpu_dirty field
 - Expose nvmm_enabled() and whpx_enabled() to common code
 - Have hmp_info_registers() dump vector registers
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Merge tag 'accel-20250704' of https://github.com/philmd/qemu into staging

Accelerators patches

- Generic API consolidation, cleanups (dead code removal, documentation added)
- Remove monitor TCG 'info opcount' and @x-query-opcount
- Have HVF / NVMM / WHPX use generic CPUState::vcpu_dirty field
- Expose nvmm_enabled() and whpx_enabled() to common code
- Have hmp_info_registers() dump vector registers

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# gpg: Signature made Fri 04 Jul 2025 06:18:06 EDT
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
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# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* tag 'accel-20250704' of https://github.com/philmd/qemu: (31 commits)
  MAINTAINERS: Add me as reviewer of overall accelerators section
  monitor/hmp-cmds-target: add CPU_DUMP_VPU in hmp_info_registers()
  accel: Pass AccelState argument to gdbstub_supported_sstep_flags()
  accel: Remove unused MachineState argument of AccelClass::setup_post()
  accel: Directly pass AccelState argument to AccelClass::has_memory()
  accel/kvm: Directly pass KVMState argument to do_kvm_create_vm()
  accel/kvm: Prefer local AccelState over global MachineState::accel
  accel/tcg: Prefer local AccelState over global current_accel()
  accel: Propagate AccelState to AccelClass::init_machine()
  accel: Keep reference to AccelOpsClass in AccelClass
  accel: Expose and register generic_handle_interrupt()
  accel/dummy: Extract 'dummy-cpus.h' header from 'system/cpus.h'
  accel/whpx: Expose whpx_enabled() to common code
  accel/nvmm: Expose nvmm_enabled() to common code
  accel/system: Document cpu_synchronize_state_post_init/reset()
  accel/system: Document cpu_synchronize_state()
  accel/kvm: Remove kvm_cpu_synchronize_state() stub
  accel/whpx: Replace @dirty field by generic CPUState::vcpu_dirty field
  accel/nvmm: Replace @dirty field by generic CPUState::vcpu_dirty field
  accel/hvf: Replace @dirty field by generic CPUState::vcpu_dirty field
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2025-07-04 08:58:49 -04:00
commit 989dd906ed
44 changed files with 551 additions and 535 deletions
Download patch file Download diff file Expand all files Collapse all files

4
MAINTAINERS
View file

@ -495,6 +495,7 @@ Guest CPU Cores (other accelerators)
Overall
M: Richard Henderson <richard.henderson@linaro.org>
R: Paolo Bonzini <pbonzini@redhat.com>
R: Philippe Mathieu-Daudé <philmd@linaro.org>
S: Maintained
F: include/exec/cpu*.h
F: include/exec/target_long.h
@ -503,6 +504,7 @@ F: include/system/accel-*.h
F: include/system/cpus.h
F: include/accel/accel-cpu*.h
F: accel/accel-*.?
F: accel/dummy-cpus.?
F: accel/Makefile.objs
F: accel/stubs/Makefile.objs
F: cpu-common.c
@ -540,6 +542,7 @@ WHPX CPUs
M: Sunil Muthuswamy <sunilmut@microsoft.com>
S: Supported
F: target/i386/whpx/
F: accel/stubs/whpx-stub.c
F: include/system/whpx.h
X86 Instruction Emulator
@ -586,6 +589,7 @@ NetBSD Virtual Machine Monitor (NVMM) CPU support
M: Reinoud Zandijk <reinoud@netbsd.org>
S: Maintained
F: include/system/nvmm.h
F: accel/stubs/nvmm-stub.c
F: target/i386/nvmm/
Hosts

2
accel/accel-common.c
View file

@ -124,7 +124,7 @@ int accel_supported_gdbstub_sstep_flags(void)
AccelState *accel = current_accel();
AccelClass *acc = ACCEL_GET_CLASS(accel);
if (acc->gdbstub_supported_sstep_flags) {
return acc->gdbstub_supported_sstep_flags();
return acc->gdbstub_supported_sstep_flags(accel);
}
return 0;
}

7
accel/accel-system.c
View file

@ -37,7 +37,7 @@ int accel_init_machine(AccelState *accel, MachineState *ms)
int ret;
ms->accelerator = accel;
*(acc->allowed) = true;
ret = acc->init_machine(ms);
ret = acc->init_machine(accel, ms);
if (ret < 0) {
ms->accelerator = NULL;
*(acc->allowed) = false;
@ -58,7 +58,7 @@ void accel_setup_post(MachineState *ms)
AccelState *accel = ms->accelerator;
AccelClass *acc = ACCEL_GET_CLASS(accel);
if (acc->setup_post) {
acc->setup_post(ms, accel);
acc->setup_post(accel);
}
}
@ -85,8 +85,9 @@ void accel_init_ops_interfaces(AccelClass *ac)
* non-NULL create_vcpu_thread operation.
*/
ops = ACCEL_OPS_CLASS(oc);
ac->ops = ops;
if (ops->ops_init) {
ops->ops_init(ops);
ops->ops_init(ac);
}
cpus_register_accel(ops);
}

1
accel/dummy-cpus.c
View file

@ -17,6 +17,7 @@
#include "qemu/guest-random.h"
#include "qemu/main-loop.h"
#include "hw/core/cpu.h"
#include "accel/dummy-cpus.h"
static void *dummy_cpu_thread_fn(void *arg)
{

14
accel/dummy-cpus.h Normal file
View file

@ -0,0 +1,14 @@
/*
* Dummy cpu thread code
*
* Copyright IBM, Corp. 2011
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef ACCEL_DUMMY_CPUS_H
#define ACCEL_DUMMY_CPUS_H
void dummy_start_vcpu_thread(CPUState *cpu);
#endif

314
accel/hvf/hvf-accel-ops.c
View file

@ -48,18 +48,16 @@
*/
#include "qemu/osdep.h"
#include "qemu/error-report.h"
#include "qemu/guest-random.h"
#include "qemu/main-loop.h"
#include "system/address-spaces.h"
#include "qemu/queue.h"
#include "gdbstub/enums.h"
#include "hw/boards.h"
#include "exec/cpu-common.h"
#include "hw/core/cpu.h"
#include "system/accel-ops.h"
#include "system/cpus.h"
#include "system/hvf.h"
#include "system/hvf_int.h"
#include "system/runstate.h"
#include "qemu/guest-random.h"
#include "trace.h"
HVFState *hvf_state;
@ -79,143 +77,17 @@ hvf_slot *hvf_find_overlap_slot(uint64_t start, uint64_t size)
return NULL;
}
struct mac_slot {
int present;
uint64_t size;
uint64_t gpa_start;
uint64_t gva;
};
struct mac_slot mac_slots[32];
static int do_hvf_set_memory(hvf_slot *slot, hv_memory_flags_t flags)
{
struct mac_slot *macslot;
hv_return_t ret;
macslot = &mac_slots[slot->slot_id];
if (macslot->present) {
if (macslot->size != slot->size) {
macslot->present = 0;
trace_hvf_vm_unmap(macslot->gpa_start, macslot->size);
ret = hv_vm_unmap(macslot->gpa_start, macslot->size);
assert_hvf_ok(ret);
}
}
if (!slot->size) {
return 0;
}
macslot->present = 1;
macslot->gpa_start = slot->start;
macslot->size = slot->size;
trace_hvf_vm_map(slot->start, slot->size, slot->mem, flags,
flags & HV_MEMORY_READ ? 'R' : '-',
flags & HV_MEMORY_WRITE ? 'W' : '-',
flags & HV_MEMORY_EXEC ? 'E' : '-');
ret = hv_vm_map(slot->mem, slot->start, slot->size, flags);
assert_hvf_ok(ret);
return 0;
}
static void hvf_set_phys_mem(MemoryRegionSection *section, bool add)
{
hvf_slot *mem;
MemoryRegion *area = section->mr;
bool writable = !area->readonly && !area->rom_device;
hv_memory_flags_t flags;
uint64_t page_size = qemu_real_host_page_size();
if (!memory_region_is_ram(area)) {
if (writable) {
return;
} else if (!memory_region_is_romd(area)) {
/*
* If the memory device is not in romd_mode, then we actually want
* to remove the hvf memory slot so all accesses will trap.
*/
add = false;
}
}
if (!QEMU_IS_ALIGNED(int128_get64(section->size), page_size) ||
!QEMU_IS_ALIGNED(section->offset_within_address_space, page_size)) {
/* Not page aligned, so we can not map as RAM */
add = false;
}
mem = hvf_find_overlap_slot(
section->offset_within_address_space,
int128_get64(section->size));
if (mem && add) {
if (mem->size == int128_get64(section->size) &&
mem->start == section->offset_within_address_space &&
mem->mem == (memory_region_get_ram_ptr(area) +
section->offset_within_region)) {
return; /* Same region was attempted to register, go away. */
}
}
/* Region needs to be reset. set the size to 0 and remap it. */
if (mem) {
mem->size = 0;
if (do_hvf_set_memory(mem, 0)) {
error_report("Failed to reset overlapping slot");
abort();
}
}
if (!add) {
return;
}
if (area->readonly ||
(!memory_region_is_ram(area) && memory_region_is_romd(area))) {
flags = HV_MEMORY_READ | HV_MEMORY_EXEC;
} else {
flags = HV_MEMORY_READ | HV_MEMORY_WRITE | HV_MEMORY_EXEC;
}
/* Now make a new slot. */
int x;
for (x = 0; x < hvf_state->num_slots; ++x) {
mem = &hvf_state->slots[x];
if (!mem->size) {
break;
}
}
if (x == hvf_state->num_slots) {
error_report("No free slots");
abort();
}
mem->size = int128_get64(section->size);
mem->mem = memory_region_get_ram_ptr(area) + section->offset_within_region;
mem->start = section->offset_within_address_space;
mem->region = area;
if (do_hvf_set_memory(mem, flags)) {
error_report("Error registering new memory slot");
abort();
}
}
static void do_hvf_cpu_synchronize_state(CPUState *cpu, run_on_cpu_data arg)
{
if (!cpu->accel->dirty) {
if (!cpu->vcpu_dirty) {
hvf_get_registers(cpu);
cpu->accel->dirty = true;
cpu->vcpu_dirty = true;
}
}
static void hvf_cpu_synchronize_state(CPUState *cpu)
{
if (!cpu->accel->dirty) {
if (!cpu->vcpu_dirty) {
run_on_cpu(cpu, do_hvf_cpu_synchronize_state, RUN_ON_CPU_NULL);
}
}
@ -224,7 +96,7 @@ static void do_hvf_cpu_synchronize_set_dirty(CPUState *cpu,
run_on_cpu_data arg)
{
/* QEMU state is the reference, push it to HVF now and on next entry */
cpu->accel->dirty = true;
cpu->vcpu_dirty = true;
}
static void hvf_cpu_synchronize_post_reset(CPUState *cpu)
@ -242,147 +114,10 @@ static void hvf_cpu_synchronize_pre_loadvm(CPUState *cpu)
run_on_cpu(cpu, do_hvf_cpu_synchronize_set_dirty, RUN_ON_CPU_NULL);
}
static void hvf_set_dirty_tracking(MemoryRegionSection *section, bool on)
{
hvf_slot *slot;
slot = hvf_find_overlap_slot(
section->offset_within_address_space,
int128_get64(section->size));
/* protect region against writes; begin tracking it */
if (on) {
slot->flags |= HVF_SLOT_LOG;
hv_vm_protect((uintptr_t)slot->start, (size_t)slot->size,
HV_MEMORY_READ | HV_MEMORY_EXEC);
/* stop tracking region*/
} else {
slot->flags &= ~HVF_SLOT_LOG;
hv_vm_protect((uintptr_t)slot->start, (size_t)slot->size,
HV_MEMORY_READ | HV_MEMORY_WRITE | HV_MEMORY_EXEC);
}
}
static void hvf_log_start(MemoryListener *listener,
MemoryRegionSection *section, int old, int new)
{
if (old != 0) {
return;
}
hvf_set_dirty_tracking(section, 1);
}
static void hvf_log_stop(MemoryListener *listener,
MemoryRegionSection *section, int old, int new)
{
if (new != 0) {
return;
}
hvf_set_dirty_tracking(section, 0);
}
static void hvf_log_sync(MemoryListener *listener,
MemoryRegionSection *section)
{
/*
* sync of dirty pages is handled elsewhere; just make sure we keep
* tracking the region.
*/
hvf_set_dirty_tracking(section, 1);
}
static void hvf_region_add(MemoryListener *listener,
MemoryRegionSection *section)
{
hvf_set_phys_mem(section, true);
}
static void hvf_region_del(MemoryListener *listener,
MemoryRegionSection *section)
{
hvf_set_phys_mem(section, false);
}
static MemoryListener hvf_memory_listener = {
.name = "hvf",
.priority = MEMORY_LISTENER_PRIORITY_ACCEL,
.region_add = hvf_region_add,
.region_del = hvf_region_del,
.log_start = hvf_log_start,
.log_stop = hvf_log_stop,
.log_sync = hvf_log_sync,
};
static void dummy_signal(int sig)
{
}
bool hvf_allowed;
static int hvf_accel_init(MachineState *ms)
{
int x;
hv_return_t ret;
HVFState *s;
int pa_range = 36;
MachineClass *mc = MACHINE_GET_CLASS(ms);
if (mc->hvf_get_physical_address_range) {
pa_range = mc->hvf_get_physical_address_range(ms);
if (pa_range < 0) {
return -EINVAL;
}
}
ret = hvf_arch_vm_create(ms, (uint32_t)pa_range);
assert_hvf_ok(ret);
s = g_new0(HVFState, 1);
s->num_slots = ARRAY_SIZE(s->slots);
for (x = 0; x < s->num_slots; ++x) {
s->slots[x].size = 0;
s->slots[x].slot_id = x;
}
QTAILQ_INIT(&s->hvf_sw_breakpoints);
hvf_state = s;
memory_listener_register(&hvf_memory_listener, &address_space_memory);
return hvf_arch_init();
}
static inline int hvf_gdbstub_sstep_flags(void)
{
return SSTEP_ENABLE | SSTEP_NOIRQ;
}
static void hvf_accel_class_init(ObjectClass *oc, const void *data)
{
AccelClass *ac = ACCEL_CLASS(oc);
ac->name = "HVF";
ac->init_machine = hvf_accel_init;
ac->allowed = &hvf_allowed;
ac->gdbstub_supported_sstep_flags = hvf_gdbstub_sstep_flags;
}
static const TypeInfo hvf_accel_type = {
.name = TYPE_HVF_ACCEL,
.parent = TYPE_ACCEL,
.instance_size = sizeof(HVFState),
.class_init = hvf_accel_class_init,
};
static void hvf_type_init(void)
{
type_register_static(&hvf_accel_type);
}
type_init(hvf_type_init);
static void hvf_vcpu_destroy(CPUState *cpu)
{
hv_return_t ret = hv_vcpu_destroy(cpu->accel->fd);
@ -415,8 +150,8 @@ static int hvf_init_vcpu(CPUState *cpu)
#else
r = hv_vcpu_create(&cpu->accel->fd, HV_VCPU_DEFAULT);
#endif
cpu->accel->dirty = true;
assert_hvf_ok(r);
cpu->vcpu_dirty = true;
cpu->accel->guest_debug_enabled = false;
@ -482,6 +217,34 @@ static void hvf_start_vcpu_thread(CPUState *cpu)
cpu, QEMU_THREAD_JOINABLE);
}
struct hvf_sw_breakpoint *hvf_find_sw_breakpoint(CPUState *cpu, vaddr pc)
{
struct hvf_sw_breakpoint *bp;
QTAILQ_FOREACH(bp, &hvf_state->hvf_sw_breakpoints, entry) {
if (bp->pc == pc) {
return bp;
}
}
return NULL;
}
int hvf_sw_breakpoints_active(CPUState *cpu)
{
return !QTAILQ_EMPTY(&hvf_state->hvf_sw_breakpoints);
}
static void do_hvf_update_guest_debug(CPUState *cpu, run_on_cpu_data arg)
{
hvf_arch_update_guest_debug(cpu);
}
int hvf_update_guest_debug(CPUState *cpu)
{
run_on_cpu(cpu, do_hvf_update_guest_debug, RUN_ON_CPU_NULL);
return 0;
}
static int hvf_insert_breakpoint(CPUState *cpu, int type, vaddr addr, vaddr len)
{
struct hvf_sw_breakpoint *bp;
@ -590,6 +353,7 @@ static void hvf_accel_ops_class_init(ObjectClass *oc, const void *data)
ops->create_vcpu_thread = hvf_start_vcpu_thread;
ops->kick_vcpu_thread = hvf_kick_vcpu_thread;
ops->handle_interrupt = generic_handle_interrupt;
ops->synchronize_post_reset = hvf_cpu_synchronize_post_reset;
ops->synchronize_post_init = hvf_cpu_synchronize_post_init;
@ -609,8 +373,10 @@ static const TypeInfo hvf_accel_ops_type = {
.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);

277
accel/hvf/hvf-all.c
View file

@ -10,9 +10,24 @@
#include "qemu/osdep.h"
#include "qemu/error-report.h"
#include "system/address-spaces.h"
#include "system/memory.h"
#include "system/hvf.h"
#include "system/hvf_int.h"
#include "hw/core/cpu.h"
#include "hw/boards.h"
#include "trace.h"
bool hvf_allowed;
struct mac_slot {
int present;
uint64_t size;
uint64_t gpa_start;
uint64_t gva;
};
struct mac_slot mac_slots[32];
const char *hvf_return_string(hv_return_t ret)
{
@ -42,30 +57,254 @@ void assert_hvf_ok_impl(hv_return_t ret, const char *file, unsigned int line,
abort();
}
struct hvf_sw_breakpoint *hvf_find_sw_breakpoint(CPUState *cpu, vaddr pc)
static int do_hvf_set_memory(hvf_slot *slot, hv_memory_flags_t flags)
{
struct hvf_sw_breakpoint *bp;
struct mac_slot *macslot;
hv_return_t ret;
QTAILQ_FOREACH(bp, &hvf_state->hvf_sw_breakpoints, entry) {
if (bp->pc == pc) {
return bp;
macslot = &mac_slots[slot->slot_id];
if (macslot->present) {
if (macslot->size != slot->size) {
macslot->present = 0;
trace_hvf_vm_unmap(macslot->gpa_start, macslot->size);
ret = hv_vm_unmap(macslot->gpa_start, macslot->size);
assert_hvf_ok(ret);
}
}
return NULL;
}
int hvf_sw_breakpoints_active(CPUState *cpu)
{
return !QTAILQ_EMPTY(&hvf_state->hvf_sw_breakpoints);
}
if (!slot->size) {
return 0;
}
static void do_hvf_update_guest_debug(CPUState *cpu, run_on_cpu_data arg)
{
hvf_arch_update_guest_debug(cpu);
}
int hvf_update_guest_debug(CPUState *cpu)
{
run_on_cpu(cpu, do_hvf_update_guest_debug, RUN_ON_CPU_NULL);
macslot->present = 1;
macslot->gpa_start = slot->start;
macslot->size = slot->size;
trace_hvf_vm_map(slot->start, slot->size, slot->mem, flags,
flags & HV_MEMORY_READ ? 'R' : '-',
flags & HV_MEMORY_WRITE ? 'W' : '-',
flags & HV_MEMORY_EXEC ? 'E' : '-');
ret = hv_vm_map(slot->mem, slot->start, slot->size, flags);
assert_hvf_ok(ret);
return 0;
}
static void hvf_set_phys_mem(MemoryRegionSection *section, bool add)
{
hvf_slot *mem;
MemoryRegion *area = section->mr;
bool writable = !area->readonly && !area->rom_device;
hv_memory_flags_t flags;
uint64_t page_size = qemu_real_host_page_size();
if (!memory_region_is_ram(area)) {
if (writable) {
return;
} else if (!memory_region_is_romd(area)) {
/*
* If the memory device is not in romd_mode, then we actually want
* to remove the hvf memory slot so all accesses will trap.
*/
add = false;
}
}
if (!QEMU_IS_ALIGNED(int128_get64(section->size), page_size) ||
!QEMU_IS_ALIGNED(section->offset_within_address_space, page_size)) {
/* Not page aligned, so we can not map as RAM */
add = false;
}
mem = hvf_find_overlap_slot(
section->offset_within_address_space,
int128_get64(section->size));
if (mem && add) {
if (mem->size == int128_get64(section->size) &&
mem->start == section->offset_within_address_space &&
mem->mem == (memory_region_get_ram_ptr(area) +
section->offset_within_region)) {
return; /* Same region was attempted to register, go away. */
}
}
/* Region needs to be reset. set the size to 0 and remap it. */
if (mem) {
mem->size = 0;
if (do_hvf_set_memory(mem, 0)) {
error_report("Failed to reset overlapping slot");
abort();
}
}
if (!add) {
return;
}
if (area->readonly ||
(!memory_region_is_ram(area) && memory_region_is_romd(area))) {
flags = HV_MEMORY_READ | HV_MEMORY_EXEC;
} else {
flags = HV_MEMORY_READ | HV_MEMORY_WRITE | HV_MEMORY_EXEC;
}
/* Now make a new slot. */
int x;
for (x = 0; x < hvf_state->num_slots; ++x) {
mem = &hvf_state->slots[x];
if (!mem->size) {
break;
}
}
if (x == hvf_state->num_slots) {
error_report("No free slots");
abort();
}
mem->size = int128_get64(section->size);
mem->mem = memory_region_get_ram_ptr(area) + section->offset_within_region;
mem->start = section->offset_within_address_space;
mem->region = area;
if (do_hvf_set_memory(mem, flags)) {
error_report("Error registering new memory slot");
abort();
}
}
static void hvf_set_dirty_tracking(MemoryRegionSection *section, bool on)
{
hvf_slot *slot;
slot = hvf_find_overlap_slot(
section->offset_within_address_space,
int128_get64(section->size));
/* protect region against writes; begin tracking it */
if (on) {
slot->flags |= HVF_SLOT_LOG;
hv_vm_protect((uintptr_t)slot->start, (size_t)slot->size,
HV_MEMORY_READ | HV_MEMORY_EXEC);
/* stop tracking region*/
} else {
slot->flags &= ~HVF_SLOT_LOG;
hv_vm_protect((uintptr_t)slot->start, (size_t)slot->size,
HV_MEMORY_READ | HV_MEMORY_WRITE | HV_MEMORY_EXEC);
}
}
static void hvf_log_start(MemoryListener *listener,
MemoryRegionSection *section, int old, int new)
{
if (old != 0) {
return;
}
hvf_set_dirty_tracking(section, 1);
}
static void hvf_log_stop(MemoryListener *listener,
MemoryRegionSection *section, int old, int new)
{
if (new != 0) {
return;
}
hvf_set_dirty_tracking(section, 0);
}
static void hvf_log_sync(MemoryListener *listener,
MemoryRegionSection *section)
{
/*
* sync of dirty pages is handled elsewhere; just make sure we keep
* tracking the region.
*/
hvf_set_dirty_tracking(section, 1);
}
static void hvf_region_add(MemoryListener *listener,
MemoryRegionSection *section)
{
hvf_set_phys_mem(section, true);
}
static void hvf_region_del(MemoryListener *listener,
MemoryRegionSection *section)
{
hvf_set_phys_mem(section, false);
}
static MemoryListener hvf_memory_listener = {
.name = "hvf",
.priority = MEMORY_LISTENER_PRIORITY_ACCEL,
.region_add = hvf_region_add,
.region_del = hvf_region_del,
.log_start = hvf_log_start,
.log_stop = hvf_log_stop,
.log_sync = hvf_log_sync,
};
static int hvf_accel_init(AccelState *as, MachineState *ms)
{
int x;
hv_return_t ret;
HVFState *s;
int pa_range = 36;
MachineClass *mc = MACHINE_GET_CLASS(ms);
if (mc->hvf_get_physical_address_range) {
pa_range = mc->hvf_get_physical_address_range(ms);
if (pa_range < 0) {
return -EINVAL;
}
}
ret = hvf_arch_vm_create(ms, (uint32_t)pa_range);
assert_hvf_ok(ret);
s = g_new0(HVFState, 1);
s->num_slots = ARRAY_SIZE(s->slots);
for (x = 0; x < s->num_slots; ++x) {
s->slots[x].size = 0;
s->slots[x].slot_id = x;
}
QTAILQ_INIT(&s->hvf_sw_breakpoints);
hvf_state = s;
memory_listener_register(&hvf_memory_listener, &address_space_memory);
return hvf_arch_init();
}
static int hvf_gdbstub_sstep_flags(AccelState *as)
{
return SSTEP_ENABLE | SSTEP_NOIRQ;
}
static void hvf_accel_class_init(ObjectClass *oc, const void *data)
{
AccelClass *ac = ACCEL_CLASS(oc);
ac->name = "HVF";
ac->init_machine = hvf_accel_init;
ac->allowed = &hvf_allowed;
ac->gdbstub_supported_sstep_flags = hvf_gdbstub_sstep_flags;
}
static const TypeInfo hvf_accel_type = {
.name = TYPE_HVF_ACCEL,
.parent = TYPE_ACCEL,
.instance_size = sizeof(HVFState),
.class_init = hvf_accel_class_init,
};
static void hvf_type_init(void)
{
type_register_static(&hvf_accel_type);
}
type_init(hvf_type_init);

1
accel/kvm/kvm-accel-ops.c
View file

@ -101,6 +101,7 @@ static void kvm_accel_ops_class_init(ObjectClass *oc, const void *data)
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;
ops->handle_interrupt = generic_handle_interrupt;
#ifdef TARGET_KVM_HAVE_GUEST_DEBUG
ops->update_guest_debug = kvm_update_guest_debug_ops;

27
accel/kvm/kvm-all.c
View file

@ -453,7 +453,13 @@ static void kvm_reset_parked_vcpus(KVMState *s)
}
}
int kvm_create_vcpu(CPUState *cpu)
/**
* kvm_create_vcpu - Gets a parked KVM vCPU or creates a KVM vCPU
* @cpu: QOM CPUState object for which KVM vCPU has to be fetched/created.
*
* @returns: 0 when success, errno (<0) when failed.
*/
static int kvm_create_vcpu(CPUState *cpu)
{
unsigned long vcpu_id = kvm_arch_vcpu_id(cpu);
KVMState *s = kvm_state;
@ -2496,13 +2502,10 @@ uint32_t kvm_dirty_ring_size(void)
return kvm_state->kvm_dirty_ring_size;
}
static int do_kvm_create_vm(MachineState *ms, int type)
static int do_kvm_create_vm(KVMState *s, int type)
{
KVMState *s;
int ret;
s = KVM_STATE(ms->accelerator);
do {
ret = kvm_ioctl(s, KVM_CREATE_VM, type);
} while (ret == -EINTR);
@ -2599,7 +2602,7 @@ static int kvm_setup_dirty_ring(KVMState *s)
return 0;
}
static int kvm_init(MachineState *ms)
static int kvm_init(AccelState *as, MachineState *ms)
{
MachineClass *mc = MACHINE_GET_CLASS(ms);
static const char upgrade_note[] =
@ -2614,15 +2617,13 @@ static int kvm_init(MachineState *ms)
{ /* end of list */ }
}, *nc = num_cpus;
int soft_vcpus_limit, hard_vcpus_limit;
KVMState *s;
KVMState *s = KVM_STATE(as);
const KVMCapabilityInfo *missing_cap;
int ret;
int type;
qemu_mutex_init(&kml_slots_lock);
s = KVM_STATE(ms->accelerator);
/*
* On systems where the kernel can support different base page
* sizes, host page size may be different from TARGET_PAGE_SIZE,
@ -2674,7 +2675,7 @@ static int kvm_init(MachineState *ms)
goto err;
}
ret = do_kvm_create_vm(ms, type);
ret = do_kvm_create_vm(s, type);
if (ret < 0) {
goto err;
}
@ -3817,10 +3818,10 @@ int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target)
return r;
}
static bool kvm_accel_has_memory(MachineState *ms, AddressSpace *as,
static bool kvm_accel_has_memory(AccelState *accel, AddressSpace *as,
hwaddr start_addr, hwaddr size)
{
KVMState *kvm = KVM_STATE(ms->accelerator);
KVMState *kvm = KVM_STATE(accel);
int i;
for (i = 0; i < kvm->nr_as; ++i) {
@ -4011,7 +4012,7 @@ static void kvm_accel_instance_init(Object *obj)
* Returns: SSTEP_* flags that KVM supports for guest debug. The
* support is probed during kvm_init()
*/
static int kvm_gdbstub_sstep_flags(void)
static int kvm_gdbstub_sstep_flags(AccelState *as)
{
return kvm_sstep_flags;
}

4
accel/qtest/qtest.c
View file

@ -24,6 +24,7 @@
#include "qemu/guest-random.h"
#include "qemu/main-loop.h"
#include "hw/core/cpu.h"
#include "accel/dummy-cpus.h"
static int64_t qtest_clock_counter;
@ -37,7 +38,7 @@ static void qtest_set_virtual_clock(int64_t count)
qatomic_set_i64(&qtest_clock_counter, count);
}
static int qtest_init_accel(MachineState *ms)
static int qtest_init_accel(AccelState *as, MachineState *ms)
{
return 0;
}
@ -66,6 +67,7 @@ static void qtest_accel_ops_class_init(ObjectClass *oc, const void *data)
ops->create_vcpu_thread = dummy_start_vcpu_thread;
ops->get_virtual_clock = qtest_get_virtual_clock;
ops->set_virtual_clock = qtest_set_virtual_clock;
ops->handle_interrupt = generic_handle_interrupt;
};
static const TypeInfo qtest_accel_ops_type = {

9
accel/stubs/kvm-stub.c
View file

@ -29,10 +29,6 @@ void kvm_flush_coalesced_mmio_buffer(void)
{
}
void kvm_cpu_synchronize_state(CPUState *cpu)
{
}
bool kvm_has_sync_mmu(void)
{
return false;
@ -105,11 +101,6 @@ unsigned int kvm_get_free_memslots(void)
return 0;
}
void kvm_init_cpu_signals(CPUState *cpu)
{
abort();
}
bool kvm_arm_supports_user_irq(void)
{
return false;

2
accel/stubs/meson.build
View file

@ -3,5 +3,7 @@ system_stubs_ss.add(when: 'CONFIG_XEN', if_false: files('xen-stub.c'))
system_stubs_ss.add(when: 'CONFIG_KVM', if_false: files('kvm-stub.c'))
system_stubs_ss.add(when: 'CONFIG_TCG', if_false: files('tcg-stub.c'))
system_stubs_ss.add(when: 'CONFIG_HVF', if_false: files('hvf-stub.c'))
system_stubs_ss.add(when: 'CONFIG_NVMM', if_false: files('nvmm-stub.c'))
system_stubs_ss.add(when: 'CONFIG_WHPX', if_false: files('whpx-stub.c'))
specific_ss.add_all(when: ['CONFIG_SYSTEM_ONLY'], if_true: system_stubs_ss)

12
accel/stubs/nvmm-stub.c Normal file
View file

@ -0,0 +1,12 @@
/*
* NVMM stubs for QEMU
*
* Copyright (c) Linaro
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "qemu/osdep.h"
#include "system/nvmm.h"
bool nvmm_allowed;

12
accel/stubs/whpx-stub.c Normal file
View file

@ -0,0 +1,12 @@
/*
* WHPX stubs for QEMU
*
* Copyright (c) Linaro
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "qemu/osdep.h"
#include "system/whpx.h"
bool whpx_allowed;

2
accel/tcg/internal-common.h
View file

@ -139,4 +139,6 @@ G_NORETURN void cpu_io_recompile(CPUState *cpu, uintptr_t retaddr);
void tb_phys_invalidate(TranslationBlock *tb, tb_page_addr_t page_addr);
void tb_set_jmp_target(TranslationBlock *tb, int n, uintptr_t addr);
void tcg_dump_stats(GString *buf);
#endif

57
accel/tcg/monitor.c
View file

@ -141,16 +141,26 @@ static void tlb_flush_counts(size_t *pfull, size_t *ppart, size_t *pelide)
*pelide = elide;
}
static void tcg_dump_info(GString *buf)
static void tcg_dump_flush_info(GString *buf)
{
g_string_append_printf(buf, "[TCG profiler not compiled]\n");
size_t flush_full, flush_part, flush_elide;
g_string_append_printf(buf, "TB flush count %u\n",
qatomic_read(&tb_ctx.tb_flush_count));
g_string_append_printf(buf, "TB invalidate count %u\n",
qatomic_read(&tb_ctx.tb_phys_invalidate_count));
tlb_flush_counts(&flush_full, &flush_part, &flush_elide);
g_string_append_printf(buf, "TLB full flushes %zu\n", flush_full);
g_string_append_printf(buf, "TLB partial flushes %zu\n", flush_part);
g_string_append_printf(buf, "TLB elided flushes %zu\n", flush_elide);
}
static void dump_exec_info(GString *buf)
{
struct tb_tree_stats tst = {};
struct qht_stats hst;
size_t nb_tbs, flush_full, flush_part, flush_elide;
size_t nb_tbs;
tcg_tb_foreach(tb_tree_stats_iter, &tst);
nb_tbs = tst.nb_tbs;
@ -187,16 +197,14 @@ static void dump_exec_info(GString *buf)
qht_statistics_destroy(&hst);
g_string_append_printf(buf, "\nStatistics:\n");
g_string_append_printf(buf, "TB flush count %u\n",
qatomic_read(&tb_ctx.tb_flush_count));
g_string_append_printf(buf, "TB invalidate count %u\n",
qatomic_read(&tb_ctx.tb_phys_invalidate_count));
tcg_dump_flush_info(buf);
}
tlb_flush_counts(&flush_full, &flush_part, &flush_elide);
g_string_append_printf(buf, "TLB full flushes %zu\n", flush_full);
g_string_append_printf(buf, "TLB partial flushes %zu\n", flush_part);
g_string_append_printf(buf, "TLB elided flushes %zu\n", flush_elide);
tcg_dump_info(buf);
void tcg_dump_stats(GString *buf)
{
dump_accel_info(buf);
dump_exec_info(buf);
dump_drift_info(buf);
}
HumanReadableText *qmp_x_query_jit(Error **errp)
@ -208,29 +216,7 @@ HumanReadableText *qmp_x_query_jit(Error **errp)
return NULL;
}
dump_accel_info(buf);
dump_exec_info(buf);
dump_drift_info(buf);
return human_readable_text_from_str(buf);
}
static void tcg_dump_op_count(GString *buf)
{
g_string_append_printf(buf, "[TCG profiler not compiled]\n");
}
HumanReadableText *qmp_x_query_opcount(Error **errp)
{
g_autoptr(GString) buf = g_string_new("");
if (!tcg_enabled()) {
error_setg(errp,
"Opcode count information is only available with accel=tcg");
return NULL;
}
tcg_dump_op_count(buf);
tcg_dump_stats(buf);
return human_readable_text_from_str(buf);
}
@ -238,7 +224,6 @@ HumanReadableText *qmp_x_query_opcount(Error **errp)
static void hmp_tcg_register(void)
{
monitor_register_hmp_info_hrt("jit", qmp_x_query_jit);
monitor_register_hmp_info_hrt("opcount", qmp_x_query_opcount);
}
type_init(hmp_tcg_register);

6
accel/tcg/tcg-accel-ops.c
View file

@ -93,8 +93,6 @@ static void tcg_cpu_reset_hold(CPUState *cpu)
/* mask must never be zero, except for A20 change call */
void tcg_handle_interrupt(CPUState *cpu, int mask)
{
g_assert(bql_locked());
cpu->interrupt_request |= mask;
/*
@ -198,8 +196,10 @@ static inline void tcg_remove_all_breakpoints(CPUState *cpu)
cpu_watchpoint_remove_all(cpu, BP_GDB);
}
static void tcg_accel_ops_init(AccelOpsClass *ops)
static void tcg_accel_ops_init(AccelClass *ac)
{
AccelOpsClass *ops = ac->ops;
if (qemu_tcg_mttcg_enabled()) {
ops->create_vcpu_thread = mttcg_start_vcpu_thread;
ops->kick_vcpu_thread = mttcg_kick_vcpu_thread;

6
accel/tcg/tcg-all.c
View file

@ -80,9 +80,9 @@ static void tcg_accel_instance_init(Object *obj)
bool one_insn_per_tb;
static int tcg_init_machine(MachineState *ms)
static int tcg_init_machine(AccelState *as, MachineState *ms)
{
TCGState *s = TCG_STATE(current_accel());
TCGState *s = TCG_STATE(as);
unsigned max_threads = 1;
#ifndef CONFIG_USER_ONLY
@ -219,7 +219,7 @@ static void tcg_set_one_insn_per_tb(Object *obj, bool value, Error **errp)
qatomic_set(&one_insn_per_tb, value);
}
static int tcg_gdbstub_supported_sstep_flags(void)
static int tcg_gdbstub_supported_sstep_flags(AccelState *as)
{
/*
* In replay mode all events will come from the log and can't be

6
accel/xen/xen-all.c
View file

@ -18,6 +18,7 @@
#include "hw/xen/xen_igd.h"
#include "chardev/char.h"
#include "qemu/accel.h"
#include "accel/dummy-cpus.h"
#include "system/accel-ops.h"
#include "system/cpus.h"
#include "system/xen.h"
@ -63,7 +64,7 @@ static void xen_set_igd_gfx_passthru(Object *obj, bool value, Error **errp)
xen_igd_gfx_pt_set(value, errp);
}
static void xen_setup_post(MachineState *ms, AccelState *accel)
static void xen_setup_post(AccelState *as)
{
int rc;
@ -76,7 +77,7 @@ static void xen_setup_post(MachineState *ms, AccelState *accel)
}
}
static int xen_init(MachineState *ms)
static int xen_init(AccelState *as, MachineState *ms)
{
MachineClass *mc = MACHINE_GET_CLASS(ms);
@ -152,6 +153,7 @@ static void xen_accel_ops_class_init(ObjectClass *oc, const void *data)
AccelOpsClass *ops = ACCEL_OPS_CLASS(oc);
ops->create_vcpu_thread = dummy_start_vcpu_thread;
ops->handle_interrupt = generic_handle_interrupt;
}
static const TypeInfo xen_accel_ops_type = {

2
bsd-user/main.c
View file

@ -474,7 +474,7 @@ int main(int argc, char **argv)
opt_one_insn_per_tb, &error_abort);
object_property_set_int(OBJECT(accel), "tb-size",
opt_tb_size, &error_abort);
ac->init_machine(NULL);
ac->init_machine(accel, NULL);
}
/*

14
hmp-commands-info.hx
View file

@ -256,20 +256,6 @@ SRST
Show dynamic compiler info.
ERST
#if defined(CONFIG_TCG)
{
.name = "opcount",
.args_type = "",
.params = "",
.help = "show dynamic compiler opcode counters",
},
#endif
SRST
``info opcount``
Show dynamic compiler opcode counters
ERST
{
.name = "sync-profile",
.args_type = "mean:-m,no_coalesce:-n,max:i?",

3
include/hw/core/cpu.h
View file

@ -442,6 +442,7 @@ struct qemu_work_item;
* @opaque: User data.
* @mem_io_pc: Host Program Counter at which the memory was accessed.
* @accel: Pointer to accelerator specific state.
* @vcpu_dirty: Hardware accelerator is not synchronized with QEMU state
* @kvm_fd: vCPU file descriptor for KVM.
* @work_mutex: Lock to prevent multiple access to @work_list.
* @work_list: List of pending asynchronous work.
@ -538,7 +539,6 @@ struct CPUState {
uint32_t kvm_fetch_index;
uint64_t dirty_pages;
int kvm_vcpu_stats_fd;
bool vcpu_dirty;
/* Use by accel-block: CPU is executing an ioctl() */
QemuLockCnt in_ioctl_lock;
@ -554,6 +554,7 @@ struct CPUState {
uint32_t halted;
int32_t exception_index;
bool vcpu_dirty;
AccelCPUState *accel;
/* Used to keep track of an outstanding cpu throttle thread for migration

11
include/qemu/accel.h
View file

@ -37,17 +37,20 @@ typedef struct AccelClass {
/*< public >*/
const char *name;
int (*init_machine)(MachineState *ms);
/* Cached by accel_init_ops_interfaces() when created */
AccelOpsClass *ops;
int (*init_machine)(AccelState *as, MachineState *ms);
bool (*cpu_common_realize)(CPUState *cpu, Error **errp);
void (*cpu_common_unrealize)(CPUState *cpu);
/* system related hooks */
void (*setup_post)(MachineState *ms, AccelState *accel);
bool (*has_memory)(MachineState *ms, AddressSpace *as,
void (*setup_post)(AccelState *as);
bool (*has_memory)(AccelState *accel, AddressSpace *as,
hwaddr start_addr, hwaddr size);
/* gdbstub related hooks */
int (*gdbstub_supported_sstep_flags)(void);
int (*gdbstub_supported_sstep_flags)(AccelState *as);
bool *allowed;
/*

22
include/system/accel-ops.h
View file

@ -10,6 +10,7 @@
#ifndef ACCEL_OPS_H
#define ACCEL_OPS_H
#include "qemu/accel.h"
#include "exec/vaddr.h"
#include "qom/object.h"
@ -31,7 +32,7 @@ struct AccelOpsClass {
/*< public >*/
/* initialization function called when accel is chosen */
void (*ops_init)(AccelOpsClass *ops);
void (*ops_init)(AccelClass *ac);
bool (*cpus_are_resettable)(void);
void (*cpu_reset_hold)(CPUState *cpu);
@ -40,12 +41,29 @@ struct AccelOpsClass {
void (*kick_vcpu_thread)(CPUState *cpu);
bool (*cpu_thread_is_idle)(CPUState *cpu);
/**
* synchronize_post_reset:
* synchronize_post_init:
* @cpu: The vCPU to synchronize.
*
* Request to synchronize QEMU vCPU registers to the hardware accelerator
* (QEMU is the reference).
*/
void (*synchronize_post_reset)(CPUState *cpu);
void (*synchronize_post_init)(CPUState *cpu);
/**
* synchronize_state:
* synchronize_pre_loadvm:
* @cpu: The vCPU to synchronize.
*
* Request to synchronize QEMU vCPU registers from the hardware accelerator
* (the hardware accelerator is the reference).
*/
void (*synchronize_state)(CPUState *cpu);
void (*synchronize_pre_loadvm)(CPUState *cpu);
void (*synchronize_pre_resume)(bool step_pending);
/* handle_interrupt is mandatory. */
void (*handle_interrupt)(CPUState *cpu, int mask);
/**
@ -70,4 +88,6 @@ struct AccelOpsClass {
void (*remove_all_breakpoints)(CPUState *cpu);
};
void generic_handle_interrupt(CPUState *cpu, int mask);
#endif /* ACCEL_OPS_H */

5
include/system/cpus.h
View file

@ -7,11 +7,6 @@ void cpus_register_accel(const AccelOpsClass *i);
/* return registers ops */
const AccelOpsClass *cpus_get_accel(void);
/* accel/dummy-cpus.c */
/* Create a dummy vcpu for AccelOpsClass->create_vcpu_thread */
void dummy_start_vcpu_thread(CPUState *);
/* interface available for cpus accelerator threads */
/* For temporary buffers for forming a name */

38
include/system/hvf.h
View file

@ -14,10 +14,6 @@
#define HVF_H
#include "qemu/accel.h"
#include "qemu/queue.h"
#include "exec/vaddr.h"
#include "qom/object.h"
#include "exec/vaddr.h"
#ifdef COMPILING_PER_TARGET
# ifdef CONFIG_HVF
@ -40,38 +36,4 @@ typedef struct HVFState HVFState;
DECLARE_INSTANCE_CHECKER(HVFState, HVF_STATE,
TYPE_HVF_ACCEL)
#ifdef COMPILING_PER_TARGET
struct hvf_sw_breakpoint {
vaddr pc;
vaddr saved_insn;
int use_count;
QTAILQ_ENTRY(hvf_sw_breakpoint) entry;
};
struct hvf_sw_breakpoint *hvf_find_sw_breakpoint(CPUState *cpu,
vaddr pc);
int hvf_sw_breakpoints_active(CPUState *cpu);
int hvf_arch_insert_sw_breakpoint(CPUState *cpu, struct hvf_sw_breakpoint *bp);
int hvf_arch_remove_sw_breakpoint(CPUState *cpu, struct hvf_sw_breakpoint *bp);
int hvf_arch_insert_hw_breakpoint(vaddr addr, vaddr len, int type);
int hvf_arch_remove_hw_breakpoint(vaddr addr, vaddr len, int type);
void hvf_arch_remove_all_hw_breakpoints(void);
/*
* hvf_update_guest_debug:
* @cs: CPUState for the CPU to update
*
* Update guest to enable or disable debugging. Per-arch specifics will be
* handled by calling down to hvf_arch_update_guest_debug.
*/
int hvf_update_guest_debug(CPUState *cpu);
void hvf_arch_update_guest_debug(CPUState *cpu);
/*
* Return whether the guest supports debugging.
*/
bool hvf_arch_supports_guest_debug(void);
#endif /* COMPILING_PER_TARGET */
#endif

35
include/system/hvf_int.h
View file

@ -12,6 +12,8 @@
#define HVF_INT_H
#include "qemu/queue.h"
#include "exec/vaddr.h"
#include "qom/object.h"
#ifdef __aarch64__
#include <Hypervisor/Hypervisor.h>
@ -60,7 +62,6 @@ struct AccelCPUState {
bool vtimer_masked;
sigset_t unblock_ipi_mask;
bool guest_debug_enabled;
bool dirty;
};
void assert_hvf_ok_impl(hv_return_t ret, const char *file, unsigned int line,
@ -77,4 +78,36 @@ int hvf_put_registers(CPUState *);
int hvf_get_registers(CPUState *);
void hvf_kick_vcpu_thread(CPUState *cpu);
struct hvf_sw_breakpoint {
vaddr pc;
vaddr saved_insn;
int use_count;
QTAILQ_ENTRY(hvf_sw_breakpoint) entry;
};
struct hvf_sw_breakpoint *hvf_find_sw_breakpoint(CPUState *cpu,
vaddr pc);
int hvf_sw_breakpoints_active(CPUState *cpu);
int hvf_arch_insert_sw_breakpoint(CPUState *cpu, struct hvf_sw_breakpoint *bp);
int hvf_arch_remove_sw_breakpoint(CPUState *cpu, struct hvf_sw_breakpoint *bp);
int hvf_arch_insert_hw_breakpoint(vaddr addr, vaddr len, int type);
int hvf_arch_remove_hw_breakpoint(vaddr addr, vaddr len, int type);
void hvf_arch_remove_all_hw_breakpoints(void);
/*
* hvf_update_guest_debug:
* @cs: CPUState for the CPU to update
*
* Update guest to enable or disable debugging. Per-arch specifics will be
* handled by calling down to hvf_arch_update_guest_debug.
*/
int hvf_update_guest_debug(CPUState *cpu);
void hvf_arch_update_guest_debug(CPUState *cpu);
/*
* Return whether the guest supports debugging.
*/
bool hvf_arch_supports_guest_debug(void);
#endif

21
include/system/hw_accel.h
View file

@ -17,9 +17,26 @@
#include "system/whpx.h"
#include "system/nvmm.h"
/**
* cpu_synchronize_state:
* cpu_synchronize_pre_loadvm:
* @cpu: The vCPU to synchronize.
*
* Request to synchronize QEMU vCPU registers from the hardware accelerator
* (the hardware accelerator is the reference).
*/
void cpu_synchronize_state(CPUState *cpu);
void cpu_synchronize_post_reset(CPUState *cpu);
void cpu_synchronize_post_init(CPUState *cpu);
void cpu_synchronize_pre_loadvm(CPUState *cpu);
/**
* cpu_synchronize_post_reset:
* cpu_synchronize_post_init:
* @cpu: The vCPU to synchronize.
*
* Request to synchronize QEMU vCPU registers to the hardware accelerator
* (QEMU is the reference).
*/
void cpu_synchronize_post_reset(CPUState *cpu);
void cpu_synchronize_post_init(CPUState *cpu);
#endif /* QEMU_HW_ACCEL_H */

8
include/system/kvm.h
View file

@ -317,14 +317,6 @@ int kvm_create_device(KVMState *s, uint64_t type, bool test);
*/
bool kvm_device_supported(int vmfd, uint64_t type);
/**
* kvm_create_vcpu - Gets a parked KVM vCPU or creates a KVM vCPU
* @cpu: QOM CPUState object for which KVM vCPU has to be fetched/created.
*
* @returns: 0 when success, errno (<0) when failed.
*/
int kvm_create_vcpu(CPUState *cpu);
/**
* kvm_park_vcpu - Park QEMU KVM vCPU context
* @cpu: QOM CPUState object for which QEMU KVM vCPU context has to be parked.

23
include/system/nvmm.h
View file

@ -13,17 +13,18 @@
#define QEMU_NVMM_H
#ifdef COMPILING_PER_TARGET
#ifdef CONFIG_NVMM
int nvmm_enabled(void);
#else /* CONFIG_NVMM */
#define nvmm_enabled() (0)
#endif /* CONFIG_NVMM */
# ifdef CONFIG_NVMM
# define CONFIG_NVMM_IS_POSSIBLE
# endif /* !CONFIG_NVMM */
#else
# define CONFIG_NVMM_IS_POSSIBLE
#endif /* COMPILING_PER_TARGET */
#ifdef CONFIG_NVMM_IS_POSSIBLE
extern bool nvmm_allowed;
#define nvmm_enabled() (nvmm_allowed)
#else /* !CONFIG_NVMM_IS_POSSIBLE */
#define nvmm_enabled() 0
#endif /* !CONFIG_NVMM_IS_POSSIBLE */
#endif /* QEMU_NVMM_H */

27
include/system/whpx.h
View file

@ -16,19 +16,20 @@
#define QEMU_WHPX_H
#ifdef COMPILING_PER_TARGET
#ifdef CONFIG_WHPX
int whpx_enabled(void);
bool whpx_apic_in_platform(void);
#else /* CONFIG_WHPX */
#define whpx_enabled() (0)
#define whpx_apic_in_platform() (0)
#endif /* CONFIG_WHPX */
# ifdef CONFIG_WHPX
# define CONFIG_WHPX_IS_POSSIBLE
# endif /* !CONFIG_WHPX */
#else
# define CONFIG_WHPX_IS_POSSIBLE
#endif /* COMPILING_PER_TARGET */
#ifdef CONFIG_WHPX_IS_POSSIBLE
extern bool whpx_allowed;
#define whpx_enabled() (whpx_allowed)
bool whpx_apic_in_platform(void);
#else /* !CONFIG_WHPX_IS_POSSIBLE */
#define whpx_enabled() 0
#define whpx_apic_in_platform() (0)
#endif /* !CONFIG_WHPX_IS_POSSIBLE */
#endif /* QEMU_WHPX_H */

2
linux-user/main.c
View file

@ -820,7 +820,7 @@ int main(int argc, char **argv, char **envp)
opt_one_insn_per_tb, &error_abort);
object_property_set_int(OBJECT(accel), "tb-size",
opt_tb_size, &error_abort);
ac->init_machine(NULL);
ac->init_machine(accel, NULL);
}
/*

4
monitor/hmp-cmds-target.c
View file

@ -102,7 +102,7 @@ void hmp_info_registers(Monitor *mon, const QDict *qdict)
if (all_cpus) {
CPU_FOREACH(cs) {
monitor_printf(mon, "\nCPU#%d\n", cs->cpu_index);
cpu_dump_state(cs, NULL, CPU_DUMP_FPU);
cpu_dump_state(cs, NULL, CPU_DUMP_FPU | CPU_DUMP_VPU);
}
} else {
cs = vcpu >= 0 ? qemu_get_cpu(vcpu) : mon_get_cpu(mon);
@ -117,7 +117,7 @@ void hmp_info_registers(Monitor *mon, const QDict *qdict)
}
monitor_printf(mon, "\nCPU#%d\n", cs->cpu_index);
cpu_dump_state(cs, NULL, CPU_DUMP_FPU);
cpu_dump_state(cs, NULL, CPU_DUMP_FPU | CPU_DUMP_VPU);
}
}

18
qapi/machine.json
View file

@ -1761,24 +1761,6 @@
'returns': 'HumanReadableText',
'features': [ 'unstable' ] }
##
# @x-query-opcount:
#
# Query TCG opcode counters
#
# Features:
#
# @unstable: This command is meant for debugging.
#
# Returns: TCG opcode counters
#
# Since: 6.2
##
{ 'command': 'x-query-opcount',
'returns': 'HumanReadableText',
'if': 'CONFIG_TCG',
'features': [ 'unstable' ] }
##
# @x-query-ramblock:
#

10
system/cpus.c
View file

@ -254,7 +254,7 @@ int64_t cpus_get_elapsed_ticks(void)
return cpu_get_ticks();
}
static void generic_handle_interrupt(CPUState *cpu, int mask)
void generic_handle_interrupt(CPUState *cpu, int mask)
{
cpu->interrupt_request |= mask;
@ -265,11 +265,9 @@ static void generic_handle_interrupt(CPUState *cpu, int mask)
void cpu_interrupt(CPUState *cpu, int mask)
{
if (cpus_accel->handle_interrupt) {
g_assert(bql_locked());
cpus_accel->handle_interrupt(cpu, mask);
} else {
generic_handle_interrupt(cpu, mask);
}
}
/*
@ -678,6 +676,8 @@ void cpus_register_accel(const AccelOpsClass *ops)
{
assert(ops != NULL);
assert(ops->create_vcpu_thread != NULL); /* mandatory */
assert(ops->handle_interrupt);
cpus_accel = ops;
}

2
system/memory.c
View file

@ -3501,7 +3501,7 @@ static void mtree_print_flatview(gpointer key, gpointer value,
if (fvi->ac) {
for (i = 0; i < fv_address_spaces->len; ++i) {
as = g_array_index(fv_address_spaces, AddressSpace*, i);
if (fvi->ac->has_memory(current_machine, as,
if (fvi->ac->has_memory(current_machine->accelerator, as,
int128_get64(range->addr.start),
MR_SIZE(range->addr.size) + 1)) {
qemu_printf(" %s", fvi->ac->name);

4
target/arm/hvf/hvf.c
View file

@ -813,9 +813,9 @@ int hvf_put_registers(CPUState *cpu)
static void flush_cpu_state(CPUState *cpu)
{
if (cpu->accel->dirty) {
if (cpu->vcpu_dirty) {
hvf_put_registers(cpu);
cpu->accel->dirty = false;
cpu->vcpu_dirty = false;
}
}

4
target/i386/hvf/hvf.c
View file

@ -733,9 +733,9 @@ int hvf_vcpu_exec(CPUState *cpu)
}
do {
if (cpu->accel->dirty) {
if (cpu->vcpu_dirty) {
hvf_put_registers(cpu);
cpu->accel->dirty = false;
cpu->vcpu_dirty = false;
}
if (hvf_inject_interrupts(cpu)) {

2
target/i386/hvf/x86hvf.c
View file

@ -427,7 +427,7 @@ int hvf_process_events(CPUState *cs)
X86CPU *cpu = X86_CPU(cs);
CPUX86State *env = &cpu->env;
if (!cs->accel->dirty) {
if (!cs->vcpu_dirty) {
/* light weight sync for CPU_INTERRUPT_HARD and IF_MASK */
env->eflags = rreg(cs->accel->fd, HV_X86_RFLAGS);
}

1
target/i386/nvmm/nvmm-accel-ops.c
View file

@ -87,6 +87,7 @@ static void nvmm_accel_ops_class_init(ObjectClass *oc, const void *data)
ops->create_vcpu_thread = nvmm_start_vcpu_thread;
ops->kick_vcpu_thread = nvmm_kick_vcpu_thread;
ops->handle_interrupt = generic_handle_interrupt;
ops->synchronize_post_reset = nvmm_cpu_synchronize_post_reset;
ops->synchronize_post_init = nvmm_cpu_synchronize_post_init;

31
target/i386/nvmm/nvmm-all.c
View file

@ -30,7 +30,6 @@ struct AccelCPUState {
struct nvmm_vcpu vcpu;
uint8_t tpr;
bool stop;
bool dirty;
/* Window-exiting for INTs/NMIs. */
bool int_window_exit;
@ -47,7 +46,7 @@ struct qemu_machine {
/* -------------------------------------------------------------------------- */
static bool nvmm_allowed;
bool nvmm_allowed;
static struct qemu_machine qemu_mach;
static struct nvmm_machine *
@ -508,7 +507,7 @@ nvmm_io_callback(struct nvmm_io *io)
}
/* Needed, otherwise infinite loop. */
current_cpu->accel->dirty = false;
current_cpu->vcpu_dirty = false;
}
static void
@ -517,7 +516,7 @@ nvmm_mem_callback(struct nvmm_mem *mem)
cpu_physical_memory_rw(mem->gpa, mem->data, mem->size, mem->write);
/* Needed, otherwise infinite loop. */
current_cpu->accel->dirty = false;
current_cpu->vcpu_dirty = false;
}
static struct nvmm_assist_callbacks nvmm_callbacks = {
@ -727,9 +726,9 @@ nvmm_vcpu_loop(CPUState *cpu)
* Inner VCPU loop.
*/
do {
if (cpu->accel->dirty) {
if (cpu->vcpu_dirty) {
nvmm_set_registers(cpu);
cpu->accel->dirty = false;
cpu->vcpu_dirty = false;
}
if (qcpu->stop) {
@ -827,32 +826,32 @@ static void
do_nvmm_cpu_synchronize_state(CPUState *cpu, run_on_cpu_data arg)
{
nvmm_get_registers(cpu);
cpu->accel->dirty = true;
cpu->vcpu_dirty = true;
}
static void
do_nvmm_cpu_synchronize_post_reset(CPUState *cpu, run_on_cpu_data arg)
{
nvmm_set_registers(cpu);
cpu->accel->dirty = false;
cpu->vcpu_dirty = false;
}
static void
do_nvmm_cpu_synchronize_post_init(CPUState *cpu, run_on_cpu_data arg)
{
nvmm_set_registers(cpu);
cpu->accel->dirty = false;
cpu->vcpu_dirty = false;
}
static void
do_nvmm_cpu_synchronize_pre_loadvm(CPUState *cpu, run_on_cpu_data arg)
{
cpu->accel->dirty = true;
cpu->vcpu_dirty = true;
}
void nvmm_cpu_synchronize_state(CPUState *cpu)
{
if (!cpu->accel->dirty) {
if (!cpu->vcpu_dirty) {
run_on_cpu(cpu, do_nvmm_cpu_synchronize_state, RUN_ON_CPU_NULL);
}
}
@ -982,7 +981,7 @@ nvmm_init_vcpu(CPUState *cpu)
}
}
qcpu->dirty = true;
qcpu->vcpu_dirty = true;
cpu->accel = qcpu;
return 0;
@ -1153,7 +1152,7 @@ static struct RAMBlockNotifier nvmm_ram_notifier = {
/* -------------------------------------------------------------------------- */
static int
nvmm_accel_init(MachineState *ms)
nvmm_accel_init(AccelState *as, MachineState *ms)
{
int ret, err;
@ -1193,12 +1192,6 @@ nvmm_accel_init(MachineState *ms)
return 0;
}
int
nvmm_enabled(void)
{
return nvmm_allowed;
}
static void
nvmm_accel_class_init(ObjectClass *oc, const void *data)
{

1
target/i386/whpx/whpx-accel-ops.c
View file

@ -90,6 +90,7 @@ static void whpx_accel_ops_class_init(ObjectClass *oc, const void *data)
ops->create_vcpu_thread = whpx_start_vcpu_thread;
ops->kick_vcpu_thread = whpx_kick_vcpu_thread;
ops->cpu_thread_is_idle = whpx_vcpu_thread_is_idle;
ops->handle_interrupt = generic_handle_interrupt;
ops->synchronize_post_reset = whpx_cpu_synchronize_post_reset;
ops->synchronize_post_init = whpx_cpu_synchronize_post_init;

32
target/i386/whpx/whpx-all.c
View file

@ -237,13 +237,12 @@ struct AccelCPUState {
uint64_t tpr;
uint64_t apic_base;
bool interruption_pending;
bool dirty;
/* Must be the last field as it may have a tail */
WHV_RUN_VP_EXIT_CONTEXT exit_ctx;
};
static bool whpx_allowed;
bool whpx_allowed;
static bool whp_dispatch_initialized;
static HMODULE hWinHvPlatform, hWinHvEmulation;
static uint32_t max_vcpu_index;
@ -836,7 +835,7 @@ static HRESULT CALLBACK whpx_emu_setreg_callback(
* The emulator just successfully wrote the register state. We clear the
* dirty state so we avoid the double write on resume of the VP.
*/
cpu->accel->dirty = false;
cpu->vcpu_dirty = false;
return hr;
}
@ -1391,7 +1390,7 @@ static int whpx_last_vcpu_stopping(CPUState *cpu)
/* Returns the address of the next instruction that is about to be executed. */
static vaddr whpx_vcpu_get_pc(CPUState *cpu, bool exit_context_valid)
{
if (cpu->accel->dirty) {
if (cpu->vcpu_dirty) {
/* The CPU registers have been modified by other parts of QEMU. */
return cpu_env(cpu)->eip;
} else if (exit_context_valid) {
@ -1704,9 +1703,9 @@ static int whpx_vcpu_run(CPUState *cpu)
}
do {
if (cpu->accel->dirty) {
if (cpu->vcpu_dirty) {
whpx_set_registers(cpu, WHPX_SET_RUNTIME_STATE);
cpu->accel->dirty = false;
cpu->vcpu_dirty = false;
}
if (exclusive_step_mode == WHPX_STEP_NONE) {
@ -2054,9 +2053,9 @@ static int whpx_vcpu_run(CPUState *cpu)
static void do_whpx_cpu_synchronize_state(CPUState *cpu, run_on_cpu_data arg)
{
if (!cpu->accel->dirty) {
if (!cpu->vcpu_dirty) {
whpx_get_registers(cpu);
cpu->accel->dirty = true;
cpu->vcpu_dirty = true;
}
}
@ -2064,20 +2063,20 @@ static void do_whpx_cpu_synchronize_post_reset(CPUState *cpu,
run_on_cpu_data arg)
{
whpx_set_registers(cpu, WHPX_SET_RESET_STATE);
cpu->accel->dirty = false;
cpu->vcpu_dirty = false;
}
static void do_whpx_cpu_synchronize_post_init(CPUState *cpu,
run_on_cpu_data arg)
{
whpx_set_registers(cpu, WHPX_SET_FULL_STATE);
cpu->accel->dirty = false;
cpu->vcpu_dirty = false;
}
static void do_whpx_cpu_synchronize_pre_loadvm(CPUState *cpu,
run_on_cpu_data arg)
{
cpu->accel->dirty = true;
cpu->vcpu_dirty = true;
}
/*
@ -2086,7 +2085,7 @@ static void do_whpx_cpu_synchronize_pre_loadvm(CPUState *cpu,
void whpx_cpu_synchronize_state(CPUState *cpu)
{
if (!cpu->accel->dirty) {
if (!cpu->vcpu_dirty) {
run_on_cpu(cpu, do_whpx_cpu_synchronize_state, RUN_ON_CPU_NULL);
}
}
@ -2226,7 +2225,7 @@ int whpx_init_vcpu(CPUState *cpu)
}
vcpu->interruptable = true;
vcpu->dirty = true;
cpu->vcpu_dirty = true;
cpu->accel = vcpu;
max_vcpu_index = max(max_vcpu_index, cpu->cpu_index);
qemu_add_vm_change_state_handler(whpx_cpu_update_state, env);
@ -2505,7 +2504,7 @@ static void whpx_set_kernel_irqchip(Object *obj, Visitor *v,
* Partition support
*/
static int whpx_accel_init(MachineState *ms)
static int whpx_accel_init(AccelState *as, MachineState *ms)
{
struct whpx_state *whpx;
int ret;
@ -2689,11 +2688,6 @@ error:
return ret;
}
int whpx_enabled(void)
{
return whpx_allowed;
}
bool whpx_apic_in_platform(void) {
return whpx_global.apic_in_platform;
}

1
tests/qtest/qmp-cmd-test.c
View file

@ -51,7 +51,6 @@ static int query_error_class(const char *cmd)
{ "x-query-usb", ERROR_CLASS_GENERIC_ERROR },
/* Only valid with accel=tcg */
{ "x-query-jit", ERROR_CLASS_GENERIC_ERROR },
{ "x-query-opcount", ERROR_CLASS_GENERIC_ERROR },
{ "xen-event-list", ERROR_CLASS_GENERIC_ERROR },
{ NULL, -1 }
};