1 /* 2 * QEMU Hypervisor.framework (HVF) support 3 * 4 * Copyright Google Inc., 2017 5 * 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. 8 * 9 */ 10 11 /* header to be included in non-HVF-specific code */ 12 #ifndef _HVF_H 13 #define _HVF_H 14 15 #include "config-host.h" 16 #include "qemu/osdep.h" 17 #include "qemu-common.h" 18 #include "qemu/bitops.h" 19 #include "exec/memory.h" 20 #include "sysemu/accel.h" 21 22 extern int hvf_disabled; 23 #ifdef CONFIG_HVF 24 #include <Hypervisor/hv.h> 25 #include <Hypervisor/hv_vmx.h> 26 #include <Hypervisor/hv_error.h> 27 #include "target/i386/cpu.h" 28 #include "hw/hw.h" 29 uint32_t hvf_get_supported_cpuid(uint32_t func, uint32_t idx, 30 int reg); 31 #define hvf_enabled() !hvf_disabled 32 #else 33 #define hvf_enabled() 0 34 #define hvf_get_supported_cpuid(func, idx, reg) 0 35 #endif 36 37 typedef struct hvf_slot { 38 uint64_t start; 39 uint64_t size; 40 uint8_t *mem; 41 int slot_id; 42 } hvf_slot; 43 44 typedef struct hvf_vcpu_caps { 45 uint64_t vmx_cap_pinbased; 46 uint64_t vmx_cap_procbased; 47 uint64_t vmx_cap_procbased2; 48 uint64_t vmx_cap_entry; 49 uint64_t vmx_cap_exit; 50 uint64_t vmx_cap_preemption_timer; 51 } hvf_vcpu_caps; 52 53 typedef struct HVFState { 54 AccelState parent; 55 hvf_slot slots[32]; 56 int num_slots; 57 58 hvf_vcpu_caps *hvf_caps; 59 } HVFState; 60 extern HVFState *hvf_state; 61 62 void hvf_set_phys_mem(MemoryRegionSection *, bool); 63 void hvf_handle_io(CPUArchState *, uint16_t, void *, 64 int, int, int); 65 hvf_slot *hvf_find_overlap_slot(uint64_t, uint64_t); 66 67 /* Disable HVF if |disable| is 1, otherwise, enable it iff it is supported by 68 * the host CPU. Use hvf_enabled() after this to get the result. */ 69 void hvf_disable(int disable); 70 71 /* Returns non-0 if the host CPU supports the VMX "unrestricted guest" feature 72 * which allows the virtual CPU to directly run in "real mode". If true, this 73 * allows QEMU to run several vCPU threads in parallel (see cpus.c). Otherwise, 74 * only a a single TCG thread can run, and it will call HVF to run the current 75 * instructions, except in case of "real mode" (paging disabled, typically at 76 * boot time), or MMIO operations. */ 77 78 int hvf_sync_vcpus(void); 79 80 int hvf_init_vcpu(CPUState *); 81 int hvf_vcpu_exec(CPUState *); 82 int hvf_smp_cpu_exec(CPUState *); 83 void hvf_cpu_synchronize_state(CPUState *); 84 void hvf_cpu_synchronize_post_reset(CPUState *); 85 void hvf_cpu_synchronize_post_init(CPUState *); 86 void _hvf_cpu_synchronize_post_init(CPUState *, run_on_cpu_data); 87 88 void hvf_vcpu_destroy(CPUState *); 89 void hvf_raise_event(CPUState *); 90 /* void hvf_reset_vcpu_state(void *opaque); */ 91 void hvf_reset_vcpu(CPUState *); 92 void vmx_update_tpr(CPUState *); 93 void update_apic_tpr(CPUState *); 94 int hvf_put_registers(CPUState *); 95 void vmx_clear_int_window_exiting(CPUState *cpu); 96 97 #define TYPE_HVF_ACCEL ACCEL_CLASS_NAME("hvf") 98 99 #define HVF_STATE(obj) \ 100 OBJECT_CHECK(HVFState, (obj), TYPE_HVF_ACCEL) 101 102 #endif 103