@@ -444,9 +444,16 @@ M: Cameron Esfahani <dirty@apple.com>
M: Roman Bolshakov <r.bolshakov@yadro.com>
W: https://wiki.qemu.org/Features/HVF
S: Maintained
-F: accel/stubs/hvf-stub.c
F: target/i386/hvf/
+
+HVF
+M: Cameron Esfahani <dirty@apple.com>
+M: Roman Bolshakov <r.bolshakov@yadro.com>
+W: https://wiki.qemu.org/Features/HVF
+S: Maintained
+F: accel/hvf/
F: include/sysemu/hvf.h
+F: include/sysemu/hvf_int.h
WHPX CPUs
M: Sunil Muthuswamy <sunilmut@microsoft.com>
new file mode 100644
@@ -0,0 +1,54 @@
+/*
+ * QEMU Hypervisor.framework support
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "qemu/error-report.h"
+#include "sysemu/hvf.h"
+#include "sysemu/hvf_int.h"
+#include "sysemu/runstate.h"
+
+#include "qemu/main-loop.h"
+#include "sysemu/accel.h"
+
+bool hvf_allowed;
+HVFState *hvf_state;
+
+void assert_hvf_ok(hv_return_t ret)
+{
+ if (ret == HV_SUCCESS) {
+ return;
+ }
+
+ switch (ret) {
+ case HV_ERROR:
+ error_report("Error: HV_ERROR");
+ break;
+ case HV_BUSY:
+ error_report("Error: HV_BUSY");
+ break;
+ case HV_BAD_ARGUMENT:
+ error_report("Error: HV_BAD_ARGUMENT");
+ break;
+ case HV_NO_RESOURCES:
+ error_report("Error: HV_NO_RESOURCES");
+ break;
+ case HV_NO_DEVICE:
+ error_report("Error: HV_NO_DEVICE");
+ break;
+ case HV_UNSUPPORTED:
+ error_report("Error: HV_UNSUPPORTED");
+ break;
+ default:
+ error_report("Unknown Error");
+ }
+
+ abort();
+}
new file mode 100644
@@ -0,0 +1,462 @@
+/*
+ * Copyright 2008 IBM Corporation
+ * 2008 Red Hat, Inc.
+ * Copyright 2011 Intel Corporation
+ * Copyright 2016 Veertu, Inc.
+ * Copyright 2017 The Android Open Source Project
+ *
+ * QEMU Hypervisor.framework support
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * This file contain code under public domain from the hvdos project:
+ * https://github.com/mist64/hvdos
+ *
+ * Parts Copyright (c) 2011 NetApp, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/error-report.h"
+#include "qemu/main-loop.h"
+#include "exec/address-spaces.h"
+#include "exec/exec-all.h"
+#include "sysemu/cpus.h"
+#include "sysemu/hvf.h"
+#include "sysemu/hvf_int.h"
+#include "sysemu/runstate.h"
+#include "qemu/guest-random.h"
+
+/* Memory slots */
+
+struct mac_slot {
+ int present;
+ uint64_t size;
+ uint64_t gpa_start;
+ uint64_t gva;
+};
+
+hvf_slot *hvf_find_overlap_slot(uint64_t start, uint64_t size)
+{
+ hvf_slot *slot;
+ int x;
+ for (x = 0; x < hvf_state->num_slots; ++x) {
+ slot = &hvf_state->slots[x];
+ if (slot->size && start < (slot->start + slot->size) &&
+ (start + size) > slot->start) {
+ return slot;
+ }
+ }
+ return NULL;
+}
+
+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;
+ 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;
+ 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 writeable = !area->readonly && !area->rom_device;
+ hv_memory_flags_t flags;
+
+ if (!memory_region_is_ram(area)) {
+ if (writeable) {
+ 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;
+ }
+ }
+
+ 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);
+ /* 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);
+ }
+}
+
+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 = {
+ .priority = 10,
+ .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 do_hvf_cpu_synchronize_state(CPUState *cpu, run_on_cpu_data arg)
+{
+ if (!cpu->vcpu_dirty) {
+ hvf_get_registers(cpu);
+ cpu->vcpu_dirty = true;
+ }
+}
+
+static void hvf_cpu_synchronize_state(CPUState *cpu)
+{
+ if (!cpu->vcpu_dirty) {
+ run_on_cpu(cpu, do_hvf_cpu_synchronize_state, RUN_ON_CPU_NULL);
+ }
+}
+
+static void do_hvf_cpu_synchronize_post_reset(CPUState *cpu,
+ run_on_cpu_data arg)
+{
+ hvf_put_registers(cpu);
+ cpu->vcpu_dirty = false;
+}
+
+static void hvf_cpu_synchronize_post_reset(CPUState *cpu)
+{
+ run_on_cpu(cpu, do_hvf_cpu_synchronize_post_reset, RUN_ON_CPU_NULL);
+}
+
+static void do_hvf_cpu_synchronize_post_init(CPUState *cpu,
+ run_on_cpu_data arg)
+{
+ hvf_put_registers(cpu);
+ cpu->vcpu_dirty = false;
+}
+
+static void hvf_cpu_synchronize_post_init(CPUState *cpu)
+{
+ run_on_cpu(cpu, do_hvf_cpu_synchronize_post_init, RUN_ON_CPU_NULL);
+}
+
+static void do_hvf_cpu_synchronize_pre_loadvm(CPUState *cpu,
+ run_on_cpu_data arg)
+{
+ cpu->vcpu_dirty = true;
+}
+
+static void hvf_cpu_synchronize_pre_loadvm(CPUState *cpu)
+{
+ run_on_cpu(cpu, do_hvf_cpu_synchronize_pre_loadvm, RUN_ON_CPU_NULL);
+}
+
+static void hvf_vcpu_destroy(CPUState *cpu)
+{
+ hv_return_t ret = hv_vcpu_destroy(cpu->hvf_fd);
+ assert_hvf_ok(ret);
+
+ hvf_arch_vcpu_destroy(cpu);
+}
+
+static void dummy_signal(int sig)
+{
+}
+
+static int hvf_init_vcpu(CPUState *cpu)
+{
+ int r;
+
+ /* init cpu signals */
+ sigset_t set;
+ struct sigaction sigact;
+
+ memset(&sigact, 0, sizeof(sigact));
+ sigact.sa_handler = dummy_signal;
+ sigaction(SIG_IPI, &sigact, NULL);
+
+ pthread_sigmask(SIG_BLOCK, NULL, &set);
+ sigdelset(&set, SIG_IPI);
+
+ r = hv_vcpu_create((hv_vcpuid_t *)&cpu->hvf_fd, HV_VCPU_DEFAULT);
+ cpu->vcpu_dirty = 1;
+ assert_hvf_ok(r);
+
+ return hvf_arch_init_vcpu(cpu);
+}
+
+/*
+ * The HVF-specific vCPU thread function. This one should only run when the host
+ * CPU supports the VMX "unrestricted guest" feature.
+ */
+static void *hvf_cpu_thread_fn(void *arg)
+{
+ CPUState *cpu = arg;
+
+ int r;
+
+ assert(hvf_enabled());
+
+ rcu_register_thread();
+
+ qemu_mutex_lock_iothread();
+ qemu_thread_get_self(cpu->thread);
+
+ cpu->thread_id = qemu_get_thread_id();
+ cpu->can_do_io = 1;
+ current_cpu = cpu;
+
+ hvf_init_vcpu(cpu);
+
+ /* signal CPU creation */
+ cpu_thread_signal_created(cpu);
+ qemu_guest_random_seed_thread_part2(cpu->random_seed);
+
+ do {
+ if (cpu_can_run(cpu)) {
+ r = hvf_vcpu_exec(cpu);
+ if (r == EXCP_DEBUG) {
+ cpu_handle_guest_debug(cpu);
+ }
+ }
+ qemu_wait_io_event(cpu);
+ } while (!cpu->unplug || cpu_can_run(cpu));
+
+ hvf_vcpu_destroy(cpu);
+ cpu_thread_signal_destroyed(cpu);
+ qemu_mutex_unlock_iothread();
+ rcu_unregister_thread();
+ return NULL;
+}
+
+static void hvf_start_vcpu_thread(CPUState *cpu)
+{
+ char thread_name[VCPU_THREAD_NAME_SIZE];
+
+ /*
+ * HVF currently does not support TCG, and only runs in
+ * unrestricted-guest mode.
+ */
+ assert(hvf_enabled());
+
+ cpu->thread = g_malloc0(sizeof(QemuThread));
+ cpu->halt_cond = g_malloc0(sizeof(QemuCond));
+ qemu_cond_init(cpu->halt_cond);
+
+ snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/HVF",
+ cpu->cpu_index);
+ qemu_thread_create(cpu->thread, thread_name, hvf_cpu_thread_fn,
+ cpu, QEMU_THREAD_JOINABLE);
+}
+
+static const CpusAccel hvf_cpus = {
+ .create_vcpu_thread = hvf_start_vcpu_thread,
+
+ .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,
+};
+
+static int hvf_accel_init(MachineState *ms)
+{
+ int x;
+ hv_return_t ret;
+ HVFState *s;
+
+ ret = hv_vm_create(HV_VM_DEFAULT);
+ assert_hvf_ok(ret);
+
+ s = g_new0(HVFState, 1);
+
+ s->num_slots = 32;
+ for (x = 0; x < s->num_slots; ++x) {
+ s->slots[x].size = 0;
+ s->slots[x].slot_id = x;
+ }
+
+ hvf_state = s;
+ memory_listener_register(&hvf_memory_listener, &address_space_memory);
+ cpus_register_accel(&hvf_cpus);
+ return 0;
+}
+
+static void hvf_accel_class_init(ObjectClass *oc, void *data)
+{
+ AccelClass *ac = ACCEL_CLASS(oc);
+ ac->name = "HVF";
+ ac->init_machine = hvf_accel_init;
+ ac->allowed = &hvf_allowed;
+}
+
+static const TypeInfo hvf_accel_type = {
+ .name = TYPE_HVF_ACCEL,
+ .parent = TYPE_ACCEL,
+ .class_init = hvf_accel_class_init,
+};
+
+static void hvf_type_init(void)
+{
+ type_register_static(&hvf_accel_type);
+}
+
+type_init(hvf_type_init);
new file mode 100644
@@ -0,0 +1,7 @@
+hvf_ss = ss.source_set()
+hvf_ss.add(files(
+ 'hvf-all.c',
+ 'hvf-cpus.c',
+))
+
+specific_ss.add_all(when: 'CONFIG_HVF', if_true: hvf_ss)
@@ -1,5 +1,6 @@
softmmu_ss.add(files('accel.c'))
+subdir('hvf')
subdir('qtest')
subdir('kvm')
subdir('tcg')
new file mode 100644
@@ -0,0 +1,54 @@
+/*
+ * QEMU Hypervisor.framework (HVF) support
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+/* header to be included in HVF-specific code */
+
+#ifndef HVF_INT_H
+#define HVF_INT_H
+
+#include <Hypervisor/hv.h>
+
+/* hvf_slot flags */
+#define HVF_SLOT_LOG (1 << 0)
+
+typedef struct hvf_slot {
+ uint64_t start;
+ uint64_t size;
+ uint8_t *mem;
+ int slot_id;
+ uint32_t flags;
+ MemoryRegion *region;
+} hvf_slot;
+
+typedef struct hvf_vcpu_caps {
+ uint64_t vmx_cap_pinbased;
+ uint64_t vmx_cap_procbased;
+ uint64_t vmx_cap_procbased2;
+ uint64_t vmx_cap_entry;
+ uint64_t vmx_cap_exit;
+ uint64_t vmx_cap_preemption_timer;
+} hvf_vcpu_caps;
+
+struct HVFState {
+ AccelState parent;
+ hvf_slot slots[32];
+ int num_slots;
+
+ hvf_vcpu_caps *hvf_caps;
+};
+extern HVFState *hvf_state;
+
+void assert_hvf_ok(hv_return_t ret);
+int hvf_get_registers(CPUState *cpu);
+int hvf_put_registers(CPUState *cpu);
+int hvf_arch_init_vcpu(CPUState *cpu);
+void hvf_arch_vcpu_destroy(CPUState *cpu);
+int hvf_vcpu_exec(CPUState *cpu);
+hvf_slot *hvf_find_overlap_slot(uint64_t, uint64_t);
+
+#endif
deleted file mode 100644
@@ -1,131 +0,0 @@
-/*
- * Copyright 2008 IBM Corporation
- * 2008 Red Hat, Inc.
- * Copyright 2011 Intel Corporation
- * Copyright 2016 Veertu, Inc.
- * Copyright 2017 The Android Open Source Project
- *
- * QEMU Hypervisor.framework support
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- *
- * This file contain code under public domain from the hvdos project:
- * https://github.com/mist64/hvdos
- *
- * Parts Copyright (c) 2011 NetApp, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include "qemu/osdep.h"
-#include "qemu/error-report.h"
-#include "qemu/main-loop.h"
-#include "sysemu/hvf.h"
-#include "sysemu/runstate.h"
-#include "target/i386/cpu.h"
-#include "qemu/guest-random.h"
-
-#include "hvf-cpus.h"
-
-/*
- * The HVF-specific vCPU thread function. This one should only run when the host
- * CPU supports the VMX "unrestricted guest" feature.
- */
-static void *hvf_cpu_thread_fn(void *arg)
-{
- CPUState *cpu = arg;
-
- int r;
-
- assert(hvf_enabled());
-
- rcu_register_thread();
-
- qemu_mutex_lock_iothread();
- qemu_thread_get_self(cpu->thread);
-
- cpu->thread_id = qemu_get_thread_id();
- cpu->can_do_io = 1;
- current_cpu = cpu;
-
- hvf_init_vcpu(cpu);
-
- /* signal CPU creation */
- cpu_thread_signal_created(cpu);
- qemu_guest_random_seed_thread_part2(cpu->random_seed);
-
- do {
- if (cpu_can_run(cpu)) {
- r = hvf_vcpu_exec(cpu);
- if (r == EXCP_DEBUG) {
- cpu_handle_guest_debug(cpu);
- }
- }
- qemu_wait_io_event(cpu);
- } while (!cpu->unplug || cpu_can_run(cpu));
-
- hvf_vcpu_destroy(cpu);
- cpu_thread_signal_destroyed(cpu);
- qemu_mutex_unlock_iothread();
- rcu_unregister_thread();
- return NULL;
-}
-
-static void hvf_start_vcpu_thread(CPUState *cpu)
-{
- char thread_name[VCPU_THREAD_NAME_SIZE];
-
- /*
- * HVF currently does not support TCG, and only runs in
- * unrestricted-guest mode.
- */
- assert(hvf_enabled());
-
- cpu->thread = g_malloc0(sizeof(QemuThread));
- cpu->halt_cond = g_malloc0(sizeof(QemuCond));
- qemu_cond_init(cpu->halt_cond);
-
- snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/HVF",
- cpu->cpu_index);
- qemu_thread_create(cpu->thread, thread_name, hvf_cpu_thread_fn,
- cpu, QEMU_THREAD_JOINABLE);
-}
-
-const CpusAccel hvf_cpus = {
- .create_vcpu_thread = hvf_start_vcpu_thread,
-
- .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,
-};
deleted file mode 100644
@@ -1,25 +0,0 @@
-/*
- * Accelerator CPUS Interface
- *
- * Copyright 2020 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 HVF_CPUS_H
-#define HVF_CPUS_H
-
-#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 *);
-void hvf_cpu_synchronize_post_reset(CPUState *);
-void hvf_cpu_synchronize_post_init(CPUState *);
-void hvf_cpu_synchronize_pre_loadvm(CPUState *);
-void hvf_vcpu_destroy(CPUState *);
-
-#endif /* HVF_CPUS_H */
@@ -18,42 +18,11 @@
#include "sysemu/accel.h"
#include "sysemu/hvf.h"
+#include "sysemu/hvf_int.h"
#include "cpu.h"
#include "x86.h"
-/* hvf_slot flags */
-#define HVF_SLOT_LOG (1 << 0)
-
-typedef struct hvf_slot {
- uint64_t start;
- uint64_t size;
- uint8_t *mem;
- int slot_id;
- uint32_t flags;
- MemoryRegion *region;
-} hvf_slot;
-
-typedef struct hvf_vcpu_caps {
- uint64_t vmx_cap_pinbased;
- uint64_t vmx_cap_procbased;
- uint64_t vmx_cap_procbased2;
- uint64_t vmx_cap_entry;
- uint64_t vmx_cap_exit;
- uint64_t vmx_cap_preemption_timer;
-} hvf_vcpu_caps;
-
-struct HVFState {
- AccelState parent;
- hvf_slot slots[32];
- int num_slots;
-
- hvf_vcpu_caps *hvf_caps;
-};
-extern HVFState *hvf_state;
-
-void hvf_set_phys_mem(MemoryRegionSection *, bool);
void hvf_handle_io(CPUArchState *, uint16_t, void *, int, int, int);
-hvf_slot *hvf_find_overlap_slot(uint64_t, uint64_t);
#ifdef NEED_CPU_H
/* Functions exported to host specific mode */
@@ -51,6 +51,7 @@
#include "qemu/error-report.h"
#include "sysemu/hvf.h"
+#include "sysemu/hvf_int.h"
#include "sysemu/runstate.h"
#include "hvf-i386.h"
#include "vmcs.h"
@@ -72,171 +73,6 @@
#include "sysemu/accel.h"
#include "target/i386/cpu.h"
-#include "hvf-cpus.h"
-
-HVFState *hvf_state;
-
-static void assert_hvf_ok(hv_return_t ret)
-{
- if (ret == HV_SUCCESS) {
- return;
- }
-
- switch (ret) {
- case HV_ERROR:
- error_report("Error: HV_ERROR");
- break;
- case HV_BUSY:
- error_report("Error: HV_BUSY");
- break;
- case HV_BAD_ARGUMENT:
- error_report("Error: HV_BAD_ARGUMENT");
- break;
- case HV_NO_RESOURCES:
- error_report("Error: HV_NO_RESOURCES");
- break;
- case HV_NO_DEVICE:
- error_report("Error: HV_NO_DEVICE");
- break;
- case HV_UNSUPPORTED:
- error_report("Error: HV_UNSUPPORTED");
- break;
- default:
- error_report("Unknown Error");
- }
-
- abort();
-}
-
-/* Memory slots */
-hvf_slot *hvf_find_overlap_slot(uint64_t start, uint64_t size)
-{
- hvf_slot *slot;
- int x;
- for (x = 0; x < hvf_state->num_slots; ++x) {
- slot = &hvf_state->slots[x];
- if (slot->size && start < (slot->start + slot->size) &&
- (start + size) > slot->start) {
- return slot;
- }
- }
- 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;
- 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;
- ret = hv_vm_map((hv_uvaddr_t)slot->mem, slot->start, slot->size, flags);
- assert_hvf_ok(ret);
- return 0;
-}
-
-void hvf_set_phys_mem(MemoryRegionSection *section, bool add)
-{
- hvf_slot *mem;
- MemoryRegion *area = section->mr;
- bool writeable = !area->readonly && !area->rom_device;
- hv_memory_flags_t flags;
-
- if (!memory_region_is_ram(area)) {
- if (writeable) {
- 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;
- }
- }
-
- 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();
- }
-}
-
void vmx_update_tpr(CPUState *cpu)
{
/* TODO: need integrate APIC handling */
@@ -276,56 +112,6 @@ void hvf_handle_io(CPUArchState *env, uint16_t port, void *buffer,
}
}
-static void do_hvf_cpu_synchronize_state(CPUState *cpu, run_on_cpu_data arg)
-{
- if (!cpu->vcpu_dirty) {
- hvf_get_registers(cpu);
- cpu->vcpu_dirty = true;
- }
-}
-
-void hvf_cpu_synchronize_state(CPUState *cpu)
-{
- if (!cpu->vcpu_dirty) {
- run_on_cpu(cpu, do_hvf_cpu_synchronize_state, RUN_ON_CPU_NULL);
- }
-}
-
-static void do_hvf_cpu_synchronize_post_reset(CPUState *cpu,
- run_on_cpu_data arg)
-{
- hvf_put_registers(cpu);
- cpu->vcpu_dirty = false;
-}
-
-void hvf_cpu_synchronize_post_reset(CPUState *cpu)
-{
- run_on_cpu(cpu, do_hvf_cpu_synchronize_post_reset, RUN_ON_CPU_NULL);
-}
-
-static void do_hvf_cpu_synchronize_post_init(CPUState *cpu,
- run_on_cpu_data arg)
-{
- hvf_put_registers(cpu);
- cpu->vcpu_dirty = false;
-}
-
-void hvf_cpu_synchronize_post_init(CPUState *cpu)
-{
- run_on_cpu(cpu, do_hvf_cpu_synchronize_post_init, RUN_ON_CPU_NULL);
-}
-
-static void do_hvf_cpu_synchronize_pre_loadvm(CPUState *cpu,
- run_on_cpu_data arg)
-{
- cpu->vcpu_dirty = true;
-}
-
-void hvf_cpu_synchronize_pre_loadvm(CPUState *cpu)
-{
- run_on_cpu(cpu, do_hvf_cpu_synchronize_pre_loadvm, RUN_ON_CPU_NULL);
-}
-
static bool ept_emulation_fault(hvf_slot *slot, uint64_t gpa, uint64_t ept_qual)
{
int read, write;
@@ -370,109 +156,19 @@ static bool ept_emulation_fault(hvf_slot *slot, uint64_t gpa, uint64_t ept_qual)
return false;
}
-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((hv_gpaddr_t)slot->start, (size_t)slot->size,
- HV_MEMORY_READ);
- /* stop tracking region*/
- } else {
- slot->flags &= ~HVF_SLOT_LOG;
- hv_vm_protect((hv_gpaddr_t)slot->start, (size_t)slot->size,
- HV_MEMORY_READ | HV_MEMORY_WRITE);
- }
-}
-
-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 = {
- .priority = 10,
- .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,
-};
-
-void hvf_vcpu_destroy(CPUState *cpu)
+void hvf_arch_vcpu_destroy(CPUState *cpu)
{
X86CPU *x86_cpu = X86_CPU(cpu);
CPUX86State *env = &x86_cpu->env;
- hv_return_t ret = hv_vcpu_destroy((hv_vcpuid_t)cpu->hvf_fd);
g_free(env->hvf_mmio_buf);
- assert_hvf_ok(ret);
-}
-
-static void dummy_signal(int sig)
-{
}
-int hvf_init_vcpu(CPUState *cpu)
+int hvf_arch_init_vcpu(CPUState *cpu)
{
X86CPU *x86cpu = X86_CPU(cpu);
CPUX86State *env = &x86cpu->env;
- int r;
-
- /* init cpu signals */
- sigset_t set;
- struct sigaction sigact;
-
- memset(&sigact, 0, sizeof(sigact));
- sigact.sa_handler = dummy_signal;
- sigaction(SIG_IPI, &sigact, NULL);
-
- pthread_sigmask(SIG_BLOCK, NULL, &set);
- sigdelset(&set, SIG_IPI);
init_emu();
init_decoder();
@@ -480,10 +176,6 @@ int hvf_init_vcpu(CPUState *cpu)
hvf_state->hvf_caps = g_new0(struct hvf_vcpu_caps, 1);
env->hvf_mmio_buf = g_new(char, 4096);
- r = hv_vcpu_create((hv_vcpuid_t *)&cpu->hvf_fd, HV_VCPU_DEFAULT);
- cpu->vcpu_dirty = 1;
- assert_hvf_ok(r);
-
if (hv_vmx_read_capability(HV_VMX_CAP_PINBASED,
&hvf_state->hvf_caps->vmx_cap_pinbased)) {
abort();
@@ -865,49 +557,3 @@ int hvf_vcpu_exec(CPUState *cpu)
return ret;
}
-
-bool hvf_allowed;
-
-static int hvf_accel_init(MachineState *ms)
-{
- int x;
- hv_return_t ret;
- HVFState *s;
-
- ret = hv_vm_create(HV_VM_DEFAULT);
- assert_hvf_ok(ret);
-
- s = g_new0(HVFState, 1);
-
- s->num_slots = 32;
- for (x = 0; x < s->num_slots; ++x) {
- s->slots[x].size = 0;
- s->slots[x].slot_id = x;
- }
-
- hvf_state = s;
- memory_listener_register(&hvf_memory_listener, &address_space_memory);
- cpus_register_accel(&hvf_cpus);
- return 0;
-}
-
-static void hvf_accel_class_init(ObjectClass *oc, void *data)
-{
- AccelClass *ac = ACCEL_CLASS(oc);
- ac->name = "HVF";
- ac->init_machine = hvf_accel_init;
- ac->allowed = &hvf_allowed;
-}
-
-static const TypeInfo hvf_accel_type = {
- .name = TYPE_HVF_ACCEL,
- .parent = TYPE_ACCEL,
- .class_init = hvf_accel_class_init,
-};
-
-static void hvf_type_init(void)
-{
- type_register_static(&hvf_accel_type);
-}
-
-type_init(hvf_type_init);
@@ -1,6 +1,5 @@
i386_softmmu_ss.add(when: [hvf, 'CONFIG_HVF'], if_true: files(
'hvf.c',
- 'hvf-cpus.c',
'x86.c',
'x86_cpuid.c',
'x86_decode.c',
@@ -20,6 +20,9 @@
#include "qemu/osdep.h"
#include "qemu-common.h"
+#include "sysemu/hvf.h"
+#include "sysemu/hvf_int.h"
+#include "sysemu/hw_accel.h"
#include "x86hvf.h"
#include "vmx.h"
#include "vmcs.h"
@@ -32,8 +35,6 @@
#include <Hypervisor/hv.h>
#include <Hypervisor/hv_vmx.h>
-#include "hvf-cpus.h"
-
void hvf_set_segment(struct CPUState *cpu, struct vmx_segment *vmx_seg,
SegmentCache *qseg, bool is_tr)
{
@@ -437,7 +438,7 @@ int hvf_process_events(CPUState *cpu_state)
env->eflags = rreg(cpu_state->hvf_fd, HV_X86_RFLAGS);
if (cpu_state->interrupt_request & CPU_INTERRUPT_INIT) {
- hvf_cpu_synchronize_state(cpu_state);
+ cpu_synchronize_state(cpu_state);
do_cpu_init(cpu);
}
@@ -451,12 +452,12 @@ int hvf_process_events(CPUState *cpu_state)
cpu_state->halted = 0;
}
if (cpu_state->interrupt_request & CPU_INTERRUPT_SIPI) {
- hvf_cpu_synchronize_state(cpu_state);
+ cpu_synchronize_state(cpu_state);
do_cpu_sipi(cpu);
}
if (cpu_state->interrupt_request & CPU_INTERRUPT_TPR) {
cpu_state->interrupt_request &= ~CPU_INTERRUPT_TPR;
- hvf_cpu_synchronize_state(cpu_state);
+ cpu_synchronize_state(cpu_state);
apic_handle_tpr_access_report(cpu->apic_state, env->eip,
env->tpr_access_type);
}
@@ -21,8 +21,6 @@
#include "x86_descr.h"
int hvf_process_events(CPUState *);
-int hvf_put_registers(CPUState *);
-int hvf_get_registers(CPUState *);
bool hvf_inject_interrupts(CPUState *);
void hvf_set_segment(struct CPUState *cpu, struct vmx_segment *vmx_seg,
SegmentCache *qseg, bool is_tr);