2 * QEMU Hypervisor.framework (HVF) support
4 * Copyright Google Inc., 2017
6 * This work is licensed under the terms of the GNU GPL, version 2 or later.
7 * See the COPYING file in the top-level directory.
11 /* header to be included in non-HVF-specific code */
16 #include "qemu-common.h"
17 #include "qemu/bitops.h"
18 #include "exec/memory.h"
19 #include "sysemu/accel.h"
21 extern bool hvf_allowed
;
23 #include <Hypervisor/hv.h>
24 #include <Hypervisor/hv_vmx.h>
25 #include <Hypervisor/hv_error.h>
26 #include "target/i386/cpu.h"
28 uint32_t hvf_get_supported_cpuid(uint32_t func
, uint32_t idx
,
30 #define hvf_enabled() (hvf_allowed)
32 #define hvf_enabled() 0
33 #define hvf_get_supported_cpuid(func, idx, reg) 0
37 #define HVF_SLOT_LOG (1 << 0)
39 typedef struct hvf_slot
{
48 typedef struct hvf_vcpu_caps
{
49 uint64_t vmx_cap_pinbased
;
50 uint64_t vmx_cap_procbased
;
51 uint64_t vmx_cap_procbased2
;
52 uint64_t vmx_cap_entry
;
53 uint64_t vmx_cap_exit
;
54 uint64_t vmx_cap_preemption_timer
;
57 typedef struct HVFState
{
62 hvf_vcpu_caps
*hvf_caps
;
64 extern HVFState
*hvf_state
;
66 void hvf_set_phys_mem(MemoryRegionSection
*, bool);
67 void hvf_handle_io(CPUArchState
*, uint16_t, void *,
69 hvf_slot
*hvf_find_overlap_slot(uint64_t, uint64_t);
71 /* Disable HVF if |disable| is 1, otherwise, enable it iff it is supported by
72 * the host CPU. Use hvf_enabled() after this to get the result. */
73 void hvf_disable(int disable
);
75 /* Returns non-0 if the host CPU supports the VMX "unrestricted guest" feature
76 * which allows the virtual CPU to directly run in "real mode". If true, this
77 * allows QEMU to run several vCPU threads in parallel (see cpus.c). Otherwise,
78 * only a a single TCG thread can run, and it will call HVF to run the current
79 * instructions, except in case of "real mode" (paging disabled, typically at
80 * boot time), or MMIO operations. */
82 int hvf_sync_vcpus(void);
84 int hvf_init_vcpu(CPUState
*);
85 int hvf_vcpu_exec(CPUState
*);
86 int hvf_smp_cpu_exec(CPUState
*);
87 void hvf_cpu_synchronize_state(CPUState
*);
88 void hvf_cpu_synchronize_post_reset(CPUState
*);
89 void hvf_cpu_synchronize_post_init(CPUState
*);
90 void _hvf_cpu_synchronize_post_init(CPUState
*, run_on_cpu_data
);
92 void hvf_vcpu_destroy(CPUState
*);
93 void hvf_raise_event(CPUState
*);
94 /* void hvf_reset_vcpu_state(void *opaque); */
95 void hvf_reset_vcpu(CPUState
*);
96 void vmx_update_tpr(CPUState
*);
97 void update_apic_tpr(CPUState
*);
98 int hvf_put_registers(CPUState
*);
99 void vmx_clear_int_window_exiting(CPUState
*cpu
);
101 #define TYPE_HVF_ACCEL ACCEL_CLASS_NAME("hvf")
103 #define HVF_STATE(obj) \
104 OBJECT_CHECK(HVFState, (obj), TYPE_HVF_ACCEL)