Annotation of qemu/kvm.h, revision 1.1.1.9

1.1       root        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: 
1.1.1.7   root       17: #include <errno.h>
                     18: #include "config-host.h"
1.1.1.6   root       19: #include "qemu-queue.h"
1.1       root       20: 
                     21: #ifdef CONFIG_KVM
1.1.1.7   root       22: #include <linux/kvm.h>
                     23: #endif
                     24: 
1.1       root       25: extern int kvm_allowed;
                     26: 
1.1.1.7   root       27: #if defined CONFIG_KVM || !defined NEED_CPU_H
1.1       root       28: #define kvm_enabled() (kvm_allowed)
                     29: #else
                     30: #define kvm_enabled() (0)
                     31: #endif
                     32: 
                     33: struct kvm_run;
                     34: 
1.1.1.8   root       35: typedef struct KVMCapabilityInfo {
                     36:     const char *name;
                     37:     int value;
                     38: } KVMCapabilityInfo;
                     39: 
                     40: #define KVM_CAP_INFO(CAP) { "KVM_CAP_" stringify(CAP), KVM_CAP_##CAP }
                     41: #define KVM_CAP_LAST_INFO { NULL, 0 }
                     42: 
1.1       root       43: /* external API */
                     44: 
1.1.1.8   root       45: int kvm_init(void);
1.1       root       46: 
1.1.1.7   root       47: int kvm_has_sync_mmu(void);
                     48: int kvm_has_vcpu_events(void);
                     49: int kvm_has_robust_singlestep(void);
                     50: int kvm_has_debugregs(void);
                     51: int kvm_has_xsave(void);
                     52: int kvm_has_xcrs(void);
1.1.1.8   root       53: int kvm_has_many_ioeventfds(void);
1.1.1.7   root       54: 
                     55: #ifdef NEED_CPU_H
1.1       root       56: int kvm_init_vcpu(CPUState *env);
                     57: 
                     58: int kvm_cpu_exec(CPUState *env);
                     59: 
1.1.1.7   root       60: #if !defined(CONFIG_USER_ONLY)
1.1.1.2   root       61: void kvm_setup_guest_memory(void *start, size_t size);
                     62: 
1.1       root       63: int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
                     64: int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
1.1.1.7   root       65: void kvm_flush_coalesced_mmio_buffer(void);
                     66: #endif
1.1       root       67: 
1.1.1.4   root       68: int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr,
                     69:                           target_ulong len, int type);
                     70: int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr,
                     71:                           target_ulong len, int type);
                     72: void kvm_remove_all_breakpoints(CPUState *current_env);
                     73: int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap);
1.1.1.7   root       74: #ifndef _WIN32
                     75: int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset);
                     76: #endif
1.1.1.4   root       77: 
1.1.1.6   root       78: int kvm_pit_in_kernel(void);
                     79: int kvm_irqchip_in_kernel(void);
                     80: 
1.1.1.9 ! root       81: int kvm_on_sigbus_vcpu(CPUState *env, int code, void *addr);
        !            82: int kvm_on_sigbus(int code, void *addr);
        !            83: 
1.1       root       84: /* internal API */
                     85: 
                     86: struct KVMState;
                     87: typedef struct KVMState KVMState;
1.1.1.9 ! root       88: extern KVMState *kvm_state;
1.1       root       89: 
                     90: int kvm_ioctl(KVMState *s, int type, ...);
                     91: 
                     92: int kvm_vm_ioctl(KVMState *s, int type, ...);
                     93: 
                     94: int kvm_vcpu_ioctl(CPUState *env, int type, ...);
                     95: 
                     96: /* Arch specific hooks */
                     97: 
1.1.1.8   root       98: extern const KVMCapabilityInfo kvm_arch_required_capabilities[];
                     99: 
1.1.1.9 ! root      100: void kvm_arch_pre_run(CPUState *env, struct kvm_run *run);
        !           101: void kvm_arch_post_run(CPUState *env, struct kvm_run *run);
1.1       root      102: 
                    103: int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run);
                    104: 
1.1.1.9 ! root      105: int kvm_arch_process_async_events(CPUState *env);
1.1.1.7   root      106: 
1.1       root      107: int kvm_arch_get_registers(CPUState *env);
                    108: 
1.1.1.7   root      109: /* state subset only touched by the VCPU itself during runtime */
                    110: #define KVM_PUT_RUNTIME_STATE   1
                    111: /* state subset modified during VCPU reset */
                    112: #define KVM_PUT_RESET_STATE     2
                    113: /* full state set, modified during initialization or on vmload */
                    114: #define KVM_PUT_FULL_STATE      3
                    115: 
                    116: int kvm_arch_put_registers(CPUState *env, int level);
1.1       root      117: 
1.1.1.8   root      118: int kvm_arch_init(KVMState *s);
1.1       root      119: 
                    120: int kvm_arch_init_vcpu(CPUState *env);
                    121: 
1.1.1.6   root      122: void kvm_arch_reset_vcpu(CPUState *env);
                    123: 
1.1.1.9 ! root      124: int kvm_arch_on_sigbus_vcpu(CPUState *env, int code, void *addr);
        !           125: int kvm_arch_on_sigbus(int code, void *addr);
1.1.1.8   root      126: 
1.1.1.4   root      127: struct kvm_guest_debug;
                    128: struct kvm_debug_exit_arch;
                    129: 
                    130: struct kvm_sw_breakpoint {
                    131:     target_ulong pc;
                    132:     target_ulong saved_insn;
                    133:     int use_count;
1.1.1.6   root      134:     QTAILQ_ENTRY(kvm_sw_breakpoint) entry;
1.1.1.4   root      135: };
                    136: 
1.1.1.6   root      137: QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint);
1.1.1.4   root      138: 
                    139: struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *env,
                    140:                                                  target_ulong pc);
                    141: 
                    142: int kvm_sw_breakpoints_active(CPUState *env);
                    143: 
                    144: int kvm_arch_insert_sw_breakpoint(CPUState *current_env,
                    145:                                   struct kvm_sw_breakpoint *bp);
                    146: int kvm_arch_remove_sw_breakpoint(CPUState *current_env,
                    147:                                   struct kvm_sw_breakpoint *bp);
                    148: int kvm_arch_insert_hw_breakpoint(target_ulong addr,
                    149:                                   target_ulong len, int type);
                    150: int kvm_arch_remove_hw_breakpoint(target_ulong addr,
                    151:                                   target_ulong len, int type);
                    152: void kvm_arch_remove_all_hw_breakpoints(void);
                    153: 
                    154: void kvm_arch_update_guest_debug(CPUState *env, struct kvm_guest_debug *dbg);
                    155: 
1.1.1.7   root      156: bool kvm_arch_stop_on_emulation_error(CPUState *env);
                    157: 
1.1.1.3   root      158: int kvm_check_extension(KVMState *s, unsigned int extension);
                    159: 
1.1.1.9 ! root      160: uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function,
1.1.1.7   root      161:                                       uint32_t index, int reg);
1.1.1.6   root      162: void kvm_cpu_synchronize_state(CPUState *env);
1.1.1.7   root      163: void kvm_cpu_synchronize_post_reset(CPUState *env);
                    164: void kvm_cpu_synchronize_post_init(CPUState *env);
1.1.1.4   root      165: 
                    166: /* generic hooks - to be moved/refactored once there are more users */
                    167: 
1.1.1.6   root      168: static inline void cpu_synchronize_state(CPUState *env)
1.1.1.4   root      169: {
                    170:     if (kvm_enabled()) {
1.1.1.6   root      171:         kvm_cpu_synchronize_state(env);
1.1.1.4   root      172:     }
                    173: }
                    174: 
1.1.1.7   root      175: static inline void cpu_synchronize_post_reset(CPUState *env)
                    176: {
                    177:     if (kvm_enabled()) {
                    178:         kvm_cpu_synchronize_post_reset(env);
                    179:     }
                    180: }
                    181: 
                    182: static inline void cpu_synchronize_post_init(CPUState *env)
                    183: {
                    184:     if (kvm_enabled()) {
                    185:         kvm_cpu_synchronize_post_init(env);
                    186:     }
                    187: }
                    188: 
1.1.1.8   root      189: 
                    190: #if !defined(CONFIG_USER_ONLY)
                    191: int kvm_physical_memory_addr_from_ram(KVMState *s, ram_addr_t ram_addr,
                    192:                                       target_phys_addr_t *phys_addr);
                    193: #endif
                    194: 
1.1.1.7   root      195: #endif
                    196: int kvm_set_ioeventfd_mmio_long(int fd, uint32_t adr, uint32_t val, bool assign);
                    197: 
                    198: int kvm_set_ioeventfd_pio_word(int fd, uint16_t adr, uint16_t val, bool assign);
1.1       root      199: #endif

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