scsi-disk: Remove duplicate cdb parsing
[qemu/ar7.git] / kvm.h
blob60a9b425c828863940b60a49a3191f58ebb5fe75
1 /*
2 * QEMU KVM support
4 * Copyright IBM, Corp. 2008
6 * Authors:
7 * Anthony Liguori <aliguori@us.ibm.com>
9 * This work is licensed under the terms of the GNU GPL, version 2 or later.
10 * See the COPYING file in the top-level directory.
14 #ifndef QEMU_KVM_H
15 #define QEMU_KVM_H
17 #include <errno.h>
18 #include "config-host.h"
19 #include "qemu-queue.h"
21 #ifdef CONFIG_KVM
22 #include <linux/kvm.h>
23 #endif
25 extern int kvm_allowed;
27 #if defined CONFIG_KVM || !defined NEED_CPU_H
28 #define kvm_enabled() (kvm_allowed)
29 #else
30 #define kvm_enabled() (0)
31 #endif
33 struct kvm_run;
35 /* external API */
37 int kvm_init(int smp_cpus);
39 int kvm_has_sync_mmu(void);
40 int kvm_has_vcpu_events(void);
41 int kvm_has_robust_singlestep(void);
42 int kvm_has_debugregs(void);
43 int kvm_has_xsave(void);
44 int kvm_has_xcrs(void);
46 #ifdef NEED_CPU_H
47 int kvm_init_vcpu(CPUState *env);
49 int kvm_cpu_exec(CPUState *env);
51 #if !defined(CONFIG_USER_ONLY)
52 int kvm_log_start(target_phys_addr_t phys_addr, ram_addr_t size);
53 int kvm_log_stop(target_phys_addr_t phys_addr, ram_addr_t size);
55 void kvm_setup_guest_memory(void *start, size_t size);
57 int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
58 int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
59 void kvm_flush_coalesced_mmio_buffer(void);
60 #endif
62 int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr,
63 target_ulong len, int type);
64 int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr,
65 target_ulong len, int type);
66 void kvm_remove_all_breakpoints(CPUState *current_env);
67 int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap);
68 #ifndef _WIN32
69 int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset);
70 #endif
72 int kvm_pit_in_kernel(void);
73 int kvm_irqchip_in_kernel(void);
75 /* internal API */
77 struct KVMState;
78 typedef struct KVMState KVMState;
80 int kvm_ioctl(KVMState *s, int type, ...);
82 int kvm_vm_ioctl(KVMState *s, int type, ...);
84 int kvm_vcpu_ioctl(CPUState *env, int type, ...);
86 /* Arch specific hooks */
88 int kvm_arch_post_run(CPUState *env, struct kvm_run *run);
90 int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run);
92 int kvm_arch_pre_run(CPUState *env, struct kvm_run *run);
94 int kvm_arch_process_irqchip_events(CPUState *env);
96 int kvm_arch_get_registers(CPUState *env);
98 /* state subset only touched by the VCPU itself during runtime */
99 #define KVM_PUT_RUNTIME_STATE 1
100 /* state subset modified during VCPU reset */
101 #define KVM_PUT_RESET_STATE 2
102 /* full state set, modified during initialization or on vmload */
103 #define KVM_PUT_FULL_STATE 3
105 int kvm_arch_put_registers(CPUState *env, int level);
107 int kvm_arch_init(KVMState *s, int smp_cpus);
109 int kvm_arch_init_vcpu(CPUState *env);
111 void kvm_arch_reset_vcpu(CPUState *env);
113 int kvm_on_sigbus_vcpu(CPUState *env, int code, void *addr);
114 int kvm_on_sigbus(int code, void *addr);
116 struct kvm_guest_debug;
117 struct kvm_debug_exit_arch;
119 struct kvm_sw_breakpoint {
120 target_ulong pc;
121 target_ulong saved_insn;
122 int use_count;
123 QTAILQ_ENTRY(kvm_sw_breakpoint) entry;
126 QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint);
128 int kvm_arch_debug(struct kvm_debug_exit_arch *arch_info);
130 struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *env,
131 target_ulong pc);
133 int kvm_sw_breakpoints_active(CPUState *env);
135 int kvm_arch_insert_sw_breakpoint(CPUState *current_env,
136 struct kvm_sw_breakpoint *bp);
137 int kvm_arch_remove_sw_breakpoint(CPUState *current_env,
138 struct kvm_sw_breakpoint *bp);
139 int kvm_arch_insert_hw_breakpoint(target_ulong addr,
140 target_ulong len, int type);
141 int kvm_arch_remove_hw_breakpoint(target_ulong addr,
142 target_ulong len, int type);
143 void kvm_arch_remove_all_hw_breakpoints(void);
145 void kvm_arch_update_guest_debug(CPUState *env, struct kvm_guest_debug *dbg);
147 bool kvm_arch_stop_on_emulation_error(CPUState *env);
149 int kvm_check_extension(KVMState *s, unsigned int extension);
151 uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function,
152 uint32_t index, int reg);
153 void kvm_cpu_synchronize_state(CPUState *env);
154 void kvm_cpu_synchronize_post_reset(CPUState *env);
155 void kvm_cpu_synchronize_post_init(CPUState *env);
157 /* generic hooks - to be moved/refactored once there are more users */
159 static inline void cpu_synchronize_state(CPUState *env)
161 if (kvm_enabled()) {
162 kvm_cpu_synchronize_state(env);
166 static inline void cpu_synchronize_post_reset(CPUState *env)
168 if (kvm_enabled()) {
169 kvm_cpu_synchronize_post_reset(env);
173 static inline void cpu_synchronize_post_init(CPUState *env)
175 if (kvm_enabled()) {
176 kvm_cpu_synchronize_post_init(env);
181 #if !defined(CONFIG_USER_ONLY)
182 int kvm_physical_memory_addr_from_ram(KVMState *s, ram_addr_t ram_addr,
183 target_phys_addr_t *phys_addr);
184 #endif
186 #endif
187 int kvm_set_ioeventfd_mmio_long(int fd, uint32_t adr, uint32_t val, bool assign);
189 int kvm_set_ioeventfd_pio_word(int fd, uint16_t adr, uint16_t val, bool assign);
190 #endif