David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1 | /* |
| 2 | * QEMU KVM support |
| 3 | * |
| 4 | * Copyright IBM, Corp. 2008 |
| 5 | * |
| 6 | * Authors: |
| 7 | * Anthony Liguori <aliguori@us.ibm.com> |
| 8 | * |
| 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. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | #ifndef QEMU_KVM_H |
| 15 | #define QEMU_KVM_H |
| 16 | |
| 17 | #include "config.h" |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 18 | #include "qemu-queue.h" |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 19 | |
| 20 | #ifdef CONFIG_KVM |
Jun Nakajima | 1321c76 | 2011-03-04 17:17:45 -0800 | [diff] [blame] | 21 | |
| 22 | #ifdef TARGET_I386 |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 23 | extern int kvm_allowed; |
| 24 | |
| 25 | #define kvm_enabled() (kvm_allowed) |
| 26 | #else |
| 27 | #define kvm_enabled() (0) |
| 28 | #endif |
| 29 | |
Jun Nakajima | 1321c76 | 2011-03-04 17:17:45 -0800 | [diff] [blame] | 30 | #else |
| 31 | #define kvm_enabled() (0) |
| 32 | #endif |
| 33 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 34 | struct kvm_run; |
| 35 | |
| 36 | /* external API */ |
| 37 | |
| 38 | int kvm_init(int smp_cpus); |
| 39 | |
| 40 | int kvm_init_vcpu(CPUState *env); |
| 41 | int kvm_sync_vcpus(void); |
| 42 | |
| 43 | int kvm_cpu_exec(CPUState *env); |
| 44 | |
| 45 | void kvm_set_phys_mem(target_phys_addr_t start_addr, |
| 46 | ram_addr_t size, |
| 47 | ram_addr_t phys_offset); |
| 48 | |
| 49 | int kvm_physical_sync_dirty_bitmap(target_phys_addr_t start_addr, |
| 50 | target_phys_addr_t end_addr); |
| 51 | |
| 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); |
| 54 | int kvm_set_migration_log(int enable); |
| 55 | |
| 56 | int kvm_has_sync_mmu(void); |
| 57 | |
| 58 | void kvm_setup_guest_memory(void *start, size_t size); |
| 59 | |
| 60 | int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size); |
| 61 | int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size); |
| 62 | |
| 63 | int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr, |
| 64 | target_ulong len, int type); |
| 65 | int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr, |
| 66 | target_ulong len, int type); |
| 67 | void kvm_remove_all_breakpoints(CPUState *current_env); |
| 68 | int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap); |
| 69 | |
| 70 | /* internal API */ |
| 71 | |
| 72 | struct KVMState; |
| 73 | typedef struct KVMState KVMState; |
| 74 | |
| 75 | int kvm_ioctl(KVMState *s, int type, ...); |
| 76 | |
| 77 | int kvm_vm_ioctl(KVMState *s, int type, ...); |
| 78 | |
| 79 | int kvm_vcpu_ioctl(CPUState *env, int type, ...); |
| 80 | |
| 81 | int kvm_get_mp_state(CPUState *env); |
| 82 | int kvm_put_mp_state(CPUState *env); |
| 83 | |
| 84 | /* Arch specific hooks */ |
| 85 | |
| 86 | int kvm_arch_post_run(CPUState *env, struct kvm_run *run); |
| 87 | |
| 88 | int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run); |
| 89 | |
| 90 | int kvm_arch_pre_run(CPUState *env, struct kvm_run *run); |
| 91 | |
| 92 | int kvm_arch_get_registers(CPUState *env); |
| 93 | |
| 94 | int kvm_arch_put_registers(CPUState *env); |
| 95 | |
| 96 | int kvm_arch_init(KVMState *s, int smp_cpus); |
| 97 | |
| 98 | int kvm_arch_init_vcpu(CPUState *env); |
| 99 | |
| 100 | struct kvm_guest_debug; |
| 101 | struct kvm_debug_exit_arch; |
| 102 | |
| 103 | struct kvm_sw_breakpoint { |
| 104 | target_ulong pc; |
| 105 | target_ulong saved_insn; |
| 106 | int use_count; |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 107 | QTAILQ_ENTRY(kvm_sw_breakpoint) entry; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 108 | }; |
| 109 | |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 110 | QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 111 | |
| 112 | int kvm_arch_debug(struct kvm_debug_exit_arch *arch_info); |
| 113 | |
| 114 | struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *env, |
| 115 | target_ulong pc); |
| 116 | |
| 117 | int kvm_sw_breakpoints_active(CPUState *env); |
| 118 | |
| 119 | int kvm_arch_insert_sw_breakpoint(CPUState *current_env, |
| 120 | struct kvm_sw_breakpoint *bp); |
| 121 | int kvm_arch_remove_sw_breakpoint(CPUState *current_env, |
| 122 | struct kvm_sw_breakpoint *bp); |
| 123 | int kvm_arch_insert_hw_breakpoint(target_ulong addr, |
| 124 | target_ulong len, int type); |
| 125 | int kvm_arch_remove_hw_breakpoint(target_ulong addr, |
| 126 | target_ulong len, int type); |
| 127 | void kvm_arch_remove_all_hw_breakpoints(void); |
| 128 | |
| 129 | void kvm_arch_update_guest_debug(CPUState *env, struct kvm_guest_debug *dbg); |
| 130 | |
| 131 | int kvm_check_extension(KVMState *s, unsigned int extension); |
| 132 | |
| 133 | uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function, |
| 134 | int reg); |
| 135 | |
| 136 | /* generic hooks - to be moved/refactored once there are more users */ |
| 137 | |
| 138 | static inline void cpu_synchronize_state(CPUState *env, int modified) |
| 139 | { |
| 140 | if (kvm_enabled()) { |
| 141 | if (modified) |
| 142 | kvm_arch_put_registers(env); |
| 143 | else |
| 144 | kvm_arch_get_registers(env); |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | #endif |