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-rw-r--r--target-i386/Makefile.objs2
-rw-r--r--target-i386/cpu-qom.h2
-rw-r--r--target-i386/cpu.c4
-rw-r--r--target-i386/cpu.h7
-rw-r--r--target-i386/hyperv.c127
-rw-r--r--target-i386/hyperv.h42
-rw-r--r--target-i386/kvm.c184
-rw-r--r--target-i386/kvm_i386.h2
-rw-r--r--target-i386/machine.c66
9 files changed, 422 insertions, 14 deletions
diff --git a/target-i386/Makefile.objs b/target-i386/Makefile.objs
index 437d9975b9..2255f46a9e 100644
--- a/target-i386/Makefile.objs
+++ b/target-i386/Makefile.objs
@@ -3,5 +3,5 @@ obj-y += excp_helper.o fpu_helper.o cc_helper.o int_helper.o svm_helper.o
obj-y += smm_helper.o misc_helper.o mem_helper.o seg_helper.o
obj-y += gdbstub.o
obj-$(CONFIG_SOFTMMU) += machine.o arch_memory_mapping.o arch_dump.o monitor.o
-obj-$(CONFIG_KVM) += kvm.o
+obj-$(CONFIG_KVM) += kvm.o hyperv.o
obj-$(call lnot,$(CONFIG_KVM)) += kvm-stub.o
diff --git a/target-i386/cpu-qom.h b/target-i386/cpu-qom.h
index e3bfe9d07e..5f9d960b25 100644
--- a/target-i386/cpu-qom.h
+++ b/target-i386/cpu-qom.h
@@ -94,6 +94,8 @@ typedef struct X86CPU {
bool hyperv_reset;
bool hyperv_vpindex;
bool hyperv_runtime;
+ bool hyperv_synic;
+ bool hyperv_stimer;
bool check_cpuid;
bool enforce_cpuid;
bool expose_kvm;
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 11e5e39a75..0d447b5690 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -2743,7 +2743,7 @@ static void x86_cpu_apic_create(X86CPU *cpu, Error **errp)
APICCommonState *apic;
const char *apic_type = "apic";
- if (kvm_irqchip_in_kernel()) {
+ if (kvm_apic_in_kernel()) {
apic_type = "kvm-apic";
} else if (xen_enabled()) {
apic_type = "xen-apic";
@@ -3146,6 +3146,8 @@ static Property x86_cpu_properties[] = {
DEFINE_PROP_BOOL("hv-reset", X86CPU, hyperv_reset, false),
DEFINE_PROP_BOOL("hv-vpindex", X86CPU, hyperv_vpindex, false),
DEFINE_PROP_BOOL("hv-runtime", X86CPU, hyperv_runtime, false),
+ DEFINE_PROP_BOOL("hv-synic", X86CPU, hyperv_synic, false),
+ DEFINE_PROP_BOOL("hv-stimer", X86CPU, hyperv_stimer, false),
DEFINE_PROP_BOOL("check", X86CPU, check_cpuid, true),
DEFINE_PROP_BOOL("enforce", X86CPU, enforce_cpuid, false),
DEFINE_PROP_BOOL("kvm", X86CPU, expose_kvm, true),
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 84edfd0d8a..595891e78d 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -920,6 +920,13 @@ typedef struct CPUX86State {
uint64_t msr_hv_tsc;
uint64_t msr_hv_crash_params[HV_X64_MSR_CRASH_PARAMS];
uint64_t msr_hv_runtime;
+ uint64_t msr_hv_synic_control;
+ uint64_t msr_hv_synic_version;
+ uint64_t msr_hv_synic_evt_page;
+ uint64_t msr_hv_synic_msg_page;
+ uint64_t msr_hv_synic_sint[HV_SYNIC_SINT_COUNT];
+ uint64_t msr_hv_stimer_config[HV_SYNIC_STIMER_COUNT];
+ uint64_t msr_hv_stimer_count[HV_SYNIC_STIMER_COUNT];
/* exception/interrupt handling */
int error_code;
diff --git a/target-i386/hyperv.c b/target-i386/hyperv.c
new file mode 100644
index 0000000000..e79b173a81
--- /dev/null
+++ b/target-i386/hyperv.c
@@ -0,0 +1,127 @@
+/*
+ * QEMU KVM Hyper-V support
+ *
+ * Copyright (C) 2015 Andrey Smetanin <asmetanin@virtuozzo.com>
+ *
+ * Authors:
+ * Andrey Smetanin <asmetanin@virtuozzo.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include "hyperv.h"
+#include "standard-headers/asm-x86/hyperv.h"
+
+int kvm_hv_handle_exit(X86CPU *cpu, struct kvm_hyperv_exit *exit)
+{
+ CPUX86State *env = &cpu->env;
+
+ switch (exit->type) {
+ case KVM_EXIT_HYPERV_SYNIC:
+ if (!cpu->hyperv_synic) {
+ return -1;
+ }
+
+ /*
+ * For now just track changes in SynIC control and msg/evt pages msr's.
+ * When SynIC messaging/events processing will be added in future
+ * here we will do messages queues flushing and pages remapping.
+ */
+ switch (exit->u.synic.msr) {
+ case HV_X64_MSR_SCONTROL:
+ env->msr_hv_synic_control = exit->u.synic.control;
+ break;
+ case HV_X64_MSR_SIMP:
+ env->msr_hv_synic_msg_page = exit->u.synic.msg_page;
+ break;
+ case HV_X64_MSR_SIEFP:
+ env->msr_hv_synic_evt_page = exit->u.synic.evt_page;
+ break;
+ default:
+ return -1;
+ }
+ return 0;
+ default:
+ return -1;
+ }
+}
+
+static void kvm_hv_sint_ack_handler(EventNotifier *notifier)
+{
+ HvSintRoute *sint_route = container_of(notifier, HvSintRoute,
+ sint_ack_notifier);
+ event_notifier_test_and_clear(notifier);
+ if (sint_route->sint_ack_clb) {
+ sint_route->sint_ack_clb(sint_route);
+ }
+}
+
+HvSintRoute *kvm_hv_sint_route_create(uint32_t vcpu_id, uint32_t sint,
+ HvSintAckClb sint_ack_clb)
+{
+ HvSintRoute *sint_route;
+ int r, gsi;
+
+ sint_route = g_malloc0(sizeof(*sint_route));
+ r = event_notifier_init(&sint_route->sint_set_notifier, false);
+ if (r) {
+ goto err;
+ }
+
+ r = event_notifier_init(&sint_route->sint_ack_notifier, false);
+ if (r) {
+ goto err_sint_set_notifier;
+ }
+
+ event_notifier_set_handler(&sint_route->sint_ack_notifier,
+ kvm_hv_sint_ack_handler);
+
+ gsi = kvm_irqchip_add_hv_sint_route(kvm_state, vcpu_id, sint);
+ if (gsi < 0) {
+ goto err_gsi;
+ }
+
+ r = kvm_irqchip_add_irqfd_notifier_gsi(kvm_state,
+ &sint_route->sint_set_notifier,
+ &sint_route->sint_ack_notifier, gsi);
+ if (r) {
+ goto err_irqfd;
+ }
+ sint_route->gsi = gsi;
+ sint_route->sint_ack_clb = sint_ack_clb;
+ sint_route->vcpu_id = vcpu_id;
+ sint_route->sint = sint;
+
+ return sint_route;
+
+err_irqfd:
+ kvm_irqchip_release_virq(kvm_state, gsi);
+err_gsi:
+ event_notifier_set_handler(&sint_route->sint_ack_notifier, NULL);
+ event_notifier_cleanup(&sint_route->sint_ack_notifier);
+err_sint_set_notifier:
+ event_notifier_cleanup(&sint_route->sint_set_notifier);
+err:
+ g_free(sint_route);
+
+ return NULL;
+}
+
+void kvm_hv_sint_route_destroy(HvSintRoute *sint_route)
+{
+ kvm_irqchip_remove_irqfd_notifier_gsi(kvm_state,
+ &sint_route->sint_set_notifier,
+ sint_route->gsi);
+ kvm_irqchip_release_virq(kvm_state, sint_route->gsi);
+ event_notifier_set_handler(&sint_route->sint_ack_notifier, NULL);
+ event_notifier_cleanup(&sint_route->sint_ack_notifier);
+ event_notifier_cleanup(&sint_route->sint_set_notifier);
+ g_free(sint_route);
+}
+
+int kvm_hv_sint_route_set_sint(HvSintRoute *sint_route)
+{
+ return event_notifier_set(&sint_route->sint_set_notifier);
+}
diff --git a/target-i386/hyperv.h b/target-i386/hyperv.h
new file mode 100644
index 0000000000..b26201f8b9
--- /dev/null
+++ b/target-i386/hyperv.h
@@ -0,0 +1,42 @@
+/*
+ * QEMU KVM Hyper-V support
+ *
+ * Copyright (C) 2015 Andrey Smetanin <asmetanin@virtuozzo.com>
+ *
+ * Authors:
+ * Andrey Smetanin <asmetanin@virtuozzo.com>
+ *
+ * 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 HYPERV_I386_H
+#define HYPERV_I386_H
+
+#include "cpu.h"
+#include "sysemu/kvm.h"
+#include "qemu/event_notifier.h"
+
+typedef struct HvSintRoute HvSintRoute;
+typedef void (*HvSintAckClb)(HvSintRoute *sint_route);
+
+struct HvSintRoute {
+ uint32_t sint;
+ uint32_t vcpu_id;
+ int gsi;
+ EventNotifier sint_set_notifier;
+ EventNotifier sint_ack_notifier;
+ HvSintAckClb sint_ack_clb;
+};
+
+int kvm_hv_handle_exit(X86CPU *cpu, struct kvm_hyperv_exit *exit);
+
+HvSintRoute *kvm_hv_sint_route_create(uint32_t vcpu_id, uint32_t sint,
+ HvSintAckClb sint_ack_clb);
+
+void kvm_hv_sint_route_destroy(HvSintRoute *sint_route);
+
+int kvm_hv_sint_route_set_sint(HvSintRoute *sint_route);
+
+#endif
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 6dc9846398..ab65a6ebe5 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -25,6 +25,8 @@
#include "sysemu/kvm_int.h"
#include "kvm_i386.h"
#include "cpu.h"
+#include "hyperv.h"
+
#include "exec/gdbstub.h"
#include "qemu/host-utils.h"
#include "qemu/config-file.h"
@@ -33,9 +35,11 @@
#include "hw/i386/apic.h"
#include "hw/i386/apic_internal.h"
#include "hw/i386/apic-msidef.h"
+
#include "exec/ioport.h"
#include "standard-headers/asm-x86/hyperv.h"
#include "hw/pci/pci.h"
+#include "hw/pci/msi.h"
#include "migration/migration.h"
#include "exec/memattrs.h"
@@ -86,6 +90,8 @@ static bool has_msr_hv_crash;
static bool has_msr_hv_reset;
static bool has_msr_hv_vpindex;
static bool has_msr_hv_runtime;
+static bool has_msr_hv_synic;
+static bool has_msr_hv_stimer;
static bool has_msr_mtrr;
static bool has_msr_xss;
@@ -521,7 +527,9 @@ static bool hyperv_enabled(X86CPU *cpu)
cpu->hyperv_crash ||
cpu->hyperv_reset ||
cpu->hyperv_vpindex ||
- cpu->hyperv_runtime);
+ cpu->hyperv_runtime ||
+ cpu->hyperv_synic ||
+ cpu->hyperv_stimer);
}
static Error *invtsc_mig_blocker;
@@ -610,6 +618,28 @@ int kvm_arch_init_vcpu(CPUState *cs)
if (cpu->hyperv_runtime && has_msr_hv_runtime) {
c->eax |= HV_X64_MSR_VP_RUNTIME_AVAILABLE;
}
+ if (cpu->hyperv_synic) {
+ int sint;
+
+ if (!has_msr_hv_synic ||
+ kvm_vcpu_enable_cap(cs, KVM_CAP_HYPERV_SYNIC, 0)) {
+ fprintf(stderr, "Hyper-V SynIC is not supported by kernel\n");
+ return -ENOSYS;
+ }
+
+ c->eax |= HV_X64_MSR_SYNIC_AVAILABLE;
+ env->msr_hv_synic_version = HV_SYNIC_VERSION_1;
+ for (sint = 0; sint < ARRAY_SIZE(env->msr_hv_synic_sint); sint++) {
+ env->msr_hv_synic_sint[sint] = HV_SYNIC_SINT_MASKED;
+ }
+ }
+ if (cpu->hyperv_stimer) {
+ if (!has_msr_hv_stimer) {
+ fprintf(stderr, "Hyper-V timers aren't supported by kernel\n");
+ return -ENOSYS;
+ }
+ c->eax |= HV_X64_MSR_SYNTIMER_AVAILABLE;
+ }
c = &cpuid_data.entries[cpuid_i++];
c->function = HYPERV_CPUID_ENLIGHTMENT_INFO;
if (cpu->hyperv_relaxed_timing) {
@@ -956,6 +986,14 @@ static int kvm_get_supported_msrs(KVMState *s)
has_msr_hv_runtime = true;
continue;
}
+ if (kvm_msr_list->indices[i] == HV_X64_MSR_SCONTROL) {
+ has_msr_hv_synic = true;
+ continue;
+ }
+ if (kvm_msr_list->indices[i] == HV_X64_MSR_STIMER0_CONFIG) {
+ has_msr_hv_stimer = true;
+ continue;
+ }
}
}
@@ -1107,7 +1145,7 @@ static void set_seg(struct kvm_segment *lhs, const SegmentCache *rhs)
lhs->l = (flags >> DESC_L_SHIFT) & 1;
lhs->g = (flags & DESC_G_MASK) != 0;
lhs->avl = (flags & DESC_AVL_MASK) != 0;
- lhs->unusable = 0;
+ lhs->unusable = !lhs->present;
lhs->padding = 0;
}
@@ -1116,14 +1154,18 @@ static void get_seg(SegmentCache *lhs, const struct kvm_segment *rhs)
lhs->selector = rhs->selector;
lhs->base = rhs->base;
lhs->limit = rhs->limit;
- lhs->flags = (rhs->type << DESC_TYPE_SHIFT) |
- (rhs->present * DESC_P_MASK) |
- (rhs->dpl << DESC_DPL_SHIFT) |
- (rhs->db << DESC_B_SHIFT) |
- (rhs->s * DESC_S_MASK) |
- (rhs->l << DESC_L_SHIFT) |
- (rhs->g * DESC_G_MASK) |
- (rhs->avl * DESC_AVL_MASK);
+ if (rhs->unusable) {
+ lhs->flags = 0;
+ } else {
+ lhs->flags = (rhs->type << DESC_TYPE_SHIFT) |
+ (rhs->present * DESC_P_MASK) |
+ (rhs->dpl << DESC_DPL_SHIFT) |
+ (rhs->db << DESC_B_SHIFT) |
+ (rhs->s * DESC_S_MASK) |
+ (rhs->l << DESC_L_SHIFT) |
+ (rhs->g * DESC_G_MASK) |
+ (rhs->avl * DESC_AVL_MASK);
+ }
}
static void kvm_getput_reg(__u64 *kvm_reg, target_ulong *qemu_reg, int set)
@@ -1517,6 +1559,36 @@ static int kvm_put_msrs(X86CPU *cpu, int level)
kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_VP_RUNTIME,
env->msr_hv_runtime);
}
+ if (cpu->hyperv_synic) {
+ int j;
+
+ kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_SCONTROL,
+ env->msr_hv_synic_control);
+ kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_SVERSION,
+ env->msr_hv_synic_version);
+ kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_SIEFP,
+ env->msr_hv_synic_evt_page);
+ kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_SIMP,
+ env->msr_hv_synic_msg_page);
+
+ for (j = 0; j < ARRAY_SIZE(env->msr_hv_synic_sint); j++) {
+ kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_SINT0 + j,
+ env->msr_hv_synic_sint[j]);
+ }
+ }
+ if (has_msr_hv_stimer) {
+ int j;
+
+ for (j = 0; j < ARRAY_SIZE(env->msr_hv_stimer_config); j++) {
+ kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_STIMER0_CONFIG + j*2,
+ env->msr_hv_stimer_config[j]);
+ }
+
+ for (j = 0; j < ARRAY_SIZE(env->msr_hv_stimer_count); j++) {
+ kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_STIMER0_COUNT + j*2,
+ env->msr_hv_stimer_count[j]);
+ }
+ }
if (has_msr_mtrr) {
kvm_msr_entry_set(&msrs[n++], MSR_MTRRdefType, env->mtrr_deftype);
kvm_msr_entry_set(&msrs[n++],
@@ -1885,6 +1957,25 @@ static int kvm_get_msrs(X86CPU *cpu)
if (has_msr_hv_runtime) {
msrs[n++].index = HV_X64_MSR_VP_RUNTIME;
}
+ if (cpu->hyperv_synic) {
+ uint32_t msr;
+
+ msrs[n++].index = HV_X64_MSR_SCONTROL;
+ msrs[n++].index = HV_X64_MSR_SVERSION;
+ msrs[n++].index = HV_X64_MSR_SIEFP;
+ msrs[n++].index = HV_X64_MSR_SIMP;
+ for (msr = HV_X64_MSR_SINT0; msr <= HV_X64_MSR_SINT15; msr++) {
+ msrs[n++].index = msr;
+ }
+ }
+ if (has_msr_hv_stimer) {
+ uint32_t msr;
+
+ for (msr = HV_X64_MSR_STIMER0_CONFIG; msr <= HV_X64_MSR_STIMER3_COUNT;
+ msr++) {
+ msrs[n++].index = msr;
+ }
+ }
if (has_msr_mtrr) {
msrs[n++].index = MSR_MTRRdefType;
msrs[n++].index = MSR_MTRRfix64K_00000;
@@ -2041,6 +2132,35 @@ static int kvm_get_msrs(X86CPU *cpu)
case HV_X64_MSR_VP_RUNTIME:
env->msr_hv_runtime = msrs[i].data;
break;
+ case HV_X64_MSR_SCONTROL:
+ env->msr_hv_synic_control = msrs[i].data;
+ break;
+ case HV_X64_MSR_SVERSION:
+ env->msr_hv_synic_version = msrs[i].data;
+ break;
+ case HV_X64_MSR_SIEFP:
+ env->msr_hv_synic_evt_page = msrs[i].data;
+ break;
+ case HV_X64_MSR_SIMP:
+ env->msr_hv_synic_msg_page = msrs[i].data;
+ break;
+ case HV_X64_MSR_SINT0 ... HV_X64_MSR_SINT15:
+ env->msr_hv_synic_sint[index - HV_X64_MSR_SINT0] = msrs[i].data;
+ break;
+ case HV_X64_MSR_STIMER0_CONFIG:
+ case HV_X64_MSR_STIMER1_CONFIG:
+ case HV_X64_MSR_STIMER2_CONFIG:
+ case HV_X64_MSR_STIMER3_CONFIG:
+ env->msr_hv_stimer_config[(index - HV_X64_MSR_STIMER0_CONFIG)/2] =
+ msrs[i].data;
+ break;
+ case HV_X64_MSR_STIMER0_COUNT:
+ case HV_X64_MSR_STIMER1_COUNT:
+ case HV_X64_MSR_STIMER2_COUNT:
+ case HV_X64_MSR_STIMER3_COUNT:
+ env->msr_hv_stimer_count[(index - HV_X64_MSR_STIMER0_COUNT)/2] =
+ msrs[i].data;
+ break;
case MSR_MTRRdefType:
env->mtrr_deftype = msrs[i].data;
break;
@@ -2482,7 +2602,7 @@ void kvm_arch_pre_run(CPUState *cpu, struct kvm_run *run)
}
}
- if (!kvm_irqchip_in_kernel()) {
+ if (!kvm_pic_in_kernel()) {
qemu_mutex_lock_iothread();
}
@@ -2500,7 +2620,7 @@ void kvm_arch_pre_run(CPUState *cpu, struct kvm_run *run)
}
}
- if (!kvm_irqchip_in_kernel()) {
+ if (!kvm_pic_in_kernel()) {
/* Try to inject an interrupt if the guest can accept it */
if (run->ready_for_interrupt_injection &&
(cpu->interrupt_request & CPU_INTERRUPT_HARD) &&
@@ -2899,6 +3019,13 @@ int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run)
ret = kvm_handle_debug(cpu, &run->debug.arch);
qemu_mutex_unlock_iothread();
break;
+ case KVM_EXIT_HYPERV:
+ ret = kvm_hv_handle_exit(cpu, &run->hyperv);
+ break;
+ case KVM_EXIT_IOAPIC_EOI:
+ ioapic_eoi_broadcast(run->eoi.vector);
+ ret = 0;
+ break;
default:
fprintf(stderr, "KVM: unknown exit reason %d\n", run->exit_reason);
ret = -1;
@@ -2933,6 +3060,39 @@ void kvm_arch_init_irq_routing(KVMState *s)
*/
kvm_msi_via_irqfd_allowed = true;
kvm_gsi_routing_allowed = true;
+
+ if (kvm_irqchip_is_split()) {
+ int i;
+
+ /* If the ioapic is in QEMU and the lapics are in KVM, reserve
+ MSI routes for signaling interrupts to the local apics. */
+ for (i = 0; i < IOAPIC_NUM_PINS; i++) {
+ struct MSIMessage msg = { 0x0, 0x0 };
+ if (kvm_irqchip_add_msi_route(s, msg, NULL) < 0) {
+ error_report("Could not enable split IRQ mode.");
+ exit(1);
+ }
+ }
+ }
+}
+
+int kvm_arch_irqchip_create(MachineState *ms, KVMState *s)
+{
+ int ret;
+ if (machine_kernel_irqchip_split(ms)) {
+ ret = kvm_vm_enable_cap(s, KVM_CAP_SPLIT_IRQCHIP, 0, 24);
+ if (ret) {
+ error_report("Could not enable split irqchip mode: %s\n",
+ strerror(-ret));
+ exit(1);
+ } else {
+ DPRINTF("Enabled KVM_CAP_SPLIT_IRQCHIP\n");
+ kvm_split_irqchip = true;
+ return 1;
+ }
+ } else {
+ return 0;
+ }
}
/* Classic KVM device assignment interface. Will remain x86 only. */
diff --git a/target-i386/kvm_i386.h b/target-i386/kvm_i386.h
index c1b312ba2a..42b00af1b1 100644
--- a/target-i386/kvm_i386.h
+++ b/target-i386/kvm_i386.h
@@ -13,6 +13,8 @@
#include "sysemu/kvm.h"
+#define kvm_apic_in_kernel() (kvm_irqchip_in_kernel())
+
bool kvm_allows_irq0_override(void);
bool kvm_has_smm(void);
void kvm_synchronize_all_tsc(void);
diff --git a/target-i386/machine.c b/target-i386/machine.c
index a18e16e0de..6126d96d7f 100644
--- a/target-i386/machine.c
+++ b/target-i386/machine.c
@@ -710,6 +710,70 @@ static const VMStateDescription vmstate_msr_hyperv_runtime = {
}
};
+static bool hyperv_synic_enable_needed(void *opaque)
+{
+ X86CPU *cpu = opaque;
+ CPUX86State *env = &cpu->env;
+ int i;
+
+ if (env->msr_hv_synic_control != 0 ||
+ env->msr_hv_synic_evt_page != 0 ||
+ env->msr_hv_synic_msg_page != 0) {
+ return true;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(env->msr_hv_synic_sint); i++) {
+ if (env->msr_hv_synic_sint[i] != 0) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+static const VMStateDescription vmstate_msr_hyperv_synic = {
+ .name = "cpu/msr_hyperv_synic",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .needed = hyperv_synic_enable_needed,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT64(env.msr_hv_synic_control, X86CPU),
+ VMSTATE_UINT64(env.msr_hv_synic_evt_page, X86CPU),
+ VMSTATE_UINT64(env.msr_hv_synic_msg_page, X86CPU),
+ VMSTATE_UINT64_ARRAY(env.msr_hv_synic_sint, X86CPU,
+ HV_SYNIC_SINT_COUNT),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static bool hyperv_stimer_enable_needed(void *opaque)
+{
+ X86CPU *cpu = opaque;
+ CPUX86State *env = &cpu->env;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(env->msr_hv_stimer_config); i++) {
+ if (env->msr_hv_stimer_config[i] || env->msr_hv_stimer_count[i]) {
+ return true;
+ }
+ }
+ return false;
+}
+
+static const VMStateDescription vmstate_msr_hyperv_stimer = {
+ .name = "cpu/msr_hyperv_stimer",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .needed = hyperv_stimer_enable_needed,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT64_ARRAY(env.msr_hv_stimer_config,
+ X86CPU, HV_SYNIC_STIMER_COUNT),
+ VMSTATE_UINT64_ARRAY(env.msr_hv_stimer_count,
+ X86CPU, HV_SYNIC_STIMER_COUNT),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
static bool avx512_needed(void *opaque)
{
X86CPU *cpu = opaque;
@@ -893,6 +957,8 @@ VMStateDescription vmstate_x86_cpu = {
&vmstate_msr_hyperv_time,
&vmstate_msr_hyperv_crash,
&vmstate_msr_hyperv_runtime,
+ &vmstate_msr_hyperv_synic,
+ &vmstate_msr_hyperv_stimer,
&vmstate_avx512,
&vmstate_xss,
NULL
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-03 17:47:13 +0000