1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
/*
* QEMU KVM support
*
* Copyright IBM, Corp. 2008
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.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 QEMU_KVM_H
#define QEMU_KVM_H
#include <errno.h>
#include "config-host.h"
#include "qemu-queue.h"
#ifdef CONFIG_KVM
#include <linux/kvm.h>
#endif
extern int kvm_allowed;
extern bool kvm_kernel_irqchip;
extern bool kvm_async_interrupts_allowed;
#if defined CONFIG_KVM || !defined NEED_CPU_H
#define kvm_enabled() (kvm_allowed)
#define kvm_irqchip_in_kernel() (kvm_kernel_irqchip)
/**
* kvm_async_interrupts_enabled:
*
* Returns: true if we can deliver interrupts to KVM
* asynchronously (ie by ioctl from any thread at any time)
* rather than having to do interrupt delivery synchronously
* (where the vcpu must be stopped at a suitable point first).
*/
#define kvm_async_interrupts_enabled() (kvm_async_interrupts_allowed)
#else
#define kvm_enabled() (0)
#define kvm_irqchip_in_kernel() (false)
#define kvm_async_interrupts_enabled() (false)
#endif
struct kvm_run;
struct kvm_lapic_state;
typedef struct KVMCapabilityInfo {
const char *name;
int value;
} KVMCapabilityInfo;
#define KVM_CAP_INFO(CAP) { "KVM_CAP_" stringify(CAP), KVM_CAP_##CAP }
#define KVM_CAP_LAST_INFO { NULL, 0 }
struct KVMState;
typedef struct KVMState KVMState;
extern KVMState *kvm_state;
/* external API */
int kvm_init(void);
int kvm_has_sync_mmu(void);
int kvm_has_vcpu_events(void);
int kvm_has_robust_singlestep(void);
int kvm_has_debugregs(void);
int kvm_has_xsave(void);
int kvm_has_xcrs(void);
int kvm_has_pit_state2(void);
int kvm_has_many_ioeventfds(void);
int kvm_has_gsi_routing(void);
int kvm_allows_irq0_override(void);
#ifdef NEED_CPU_H
int kvm_init_vcpu(CPUArchState *env);
int kvm_cpu_exec(CPUArchState *env);
#if !defined(CONFIG_USER_ONLY)
void *kvm_vmalloc(ram_addr_t size);
void *kvm_arch_vmalloc(ram_addr_t size);
void kvm_setup_guest_memory(void *start, size_t size);
int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
void kvm_flush_coalesced_mmio_buffer(void);
#endif
int kvm_insert_breakpoint(CPUArchState *current_env, target_ulong addr,
target_ulong len, int type);
int kvm_remove_breakpoint(CPUArchState *current_env, target_ulong addr,
target_ulong len, int type);
void kvm_remove_all_breakpoints(CPUArchState *current_env);
int kvm_update_guest_debug(CPUArchState *env, unsigned long reinject_trap);
#ifndef _WIN32
int kvm_set_signal_mask(CPUArchState *env, const sigset_t *sigset);
#endif
int kvm_on_sigbus_vcpu(CPUArchState *env, int code, void *addr);
int kvm_on_sigbus(int code, void *addr);
/* internal API */
int kvm_ioctl(KVMState *s, int type, ...);
int kvm_vm_ioctl(KVMState *s, int type, ...);
int kvm_vcpu_ioctl(CPUArchState *env, int type, ...);
/* Arch specific hooks */
extern const KVMCapabilityInfo kvm_arch_required_capabilities[];
void kvm_arch_pre_run(CPUArchState *env, struct kvm_run *run);
void kvm_arch_post_run(CPUArchState *env, struct kvm_run *run);
int kvm_arch_handle_exit(CPUArchState *env, struct kvm_run *run);
int kvm_arch_process_async_events(CPUArchState *env);
int kvm_arch_get_registers(CPUArchState *env);
/* state subset only touched by the VCPU itself during runtime */
#define KVM_PUT_RUNTIME_STATE 1
/* state subset modified during VCPU reset */
#define KVM_PUT_RESET_STATE 2
/* full state set, modified during initialization or on vmload */
#define KVM_PUT_FULL_STATE 3
int kvm_arch_put_registers(CPUArchState *env, int level);
int kvm_arch_init(KVMState *s);
int kvm_arch_init_vcpu(CPUArchState *env);
void kvm_arch_reset_vcpu(CPUArchState *env);
int kvm_arch_on_sigbus_vcpu(CPUArchState *env, int code, void *addr);
int kvm_arch_on_sigbus(int code, void *addr);
void kvm_arch_init_irq_routing(KVMState *s);
int kvm_irqchip_set_irq(KVMState *s, int irq, int level);
int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg);
void kvm_irqchip_add_irq_route(KVMState *s, int gsi, int irqchip, int pin);
void kvm_put_apic_state(DeviceState *d, struct kvm_lapic_state *kapic);
void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic);
struct kvm_guest_debug;
struct kvm_debug_exit_arch;
struct kvm_sw_breakpoint {
target_ulong pc;
target_ulong saved_insn;
int use_count;
QTAILQ_ENTRY(kvm_sw_breakpoint) entry;
};
QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint);
struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUArchState *env,
target_ulong pc);
int kvm_sw_breakpoints_active(CPUArchState *env);
int kvm_arch_insert_sw_breakpoint(CPUArchState *current_env,
struct kvm_sw_breakpoint *bp);
int kvm_arch_remove_sw_breakpoint(CPUArchState *current_env,
struct kvm_sw_breakpoint *bp);
int kvm_arch_insert_hw_breakpoint(target_ulong addr,
target_ulong len, int type);
int kvm_arch_remove_hw_breakpoint(target_ulong addr,
target_ulong len, int type);
void kvm_arch_remove_all_hw_breakpoints(void);
void kvm_arch_update_guest_debug(CPUArchState *env, struct kvm_guest_debug *dbg);
bool kvm_arch_stop_on_emulation_error(CPUArchState *env);
int kvm_check_extension(KVMState *s, unsigned int extension);
uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function,
uint32_t index, int reg);
void kvm_cpu_synchronize_state(CPUArchState *env);
void kvm_cpu_synchronize_post_reset(CPUArchState *env);
void kvm_cpu_synchronize_post_init(CPUArchState *env);
/* generic hooks - to be moved/refactored once there are more users */
static inline void cpu_synchronize_state(CPUArchState *env)
{
if (kvm_enabled()) {
kvm_cpu_synchronize_state(env);
}
}
static inline void cpu_synchronize_post_reset(CPUArchState *env)
{
if (kvm_enabled()) {
kvm_cpu_synchronize_post_reset(env);
}
}
static inline void cpu_synchronize_post_init(CPUArchState *env)
{
if (kvm_enabled()) {
kvm_cpu_synchronize_post_init(env);
}
}
#if !defined(CONFIG_USER_ONLY)
int kvm_physical_memory_addr_from_host(KVMState *s, void *ram_addr,
target_phys_addr_t *phys_addr);
#endif
#endif
int kvm_set_ioeventfd_mmio(int fd, uint32_t adr, uint32_t val, bool assign,
uint32_t size);
int kvm_set_ioeventfd_pio_word(int fd, uint16_t adr, uint16_t val, bool assign);
int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg);
void kvm_irqchip_release_virq(KVMState *s, int virq);
int kvm_irqchip_add_irqfd(KVMState *s, int fd, int virq);
int kvm_irqchip_remove_irqfd(KVMState *s, int fd, int virq);
int kvm_irqchip_add_irq_notifier(KVMState *s, EventNotifier *n, int virq);
int kvm_irqchip_remove_irq_notifier(KVMState *s, EventNotifier *n, int virq);
#endif
|
