1 /* 2 * QEMU Guest Agent core declarations 3 * 4 * Copyright IBM Corp. 2011 5 * 6 * Authors: 7 * Adam Litke <aglitke@linux.vnet.ibm.com> 8 * Michael Roth <mdroth@linux.vnet.ibm.com> 9 * 10 * This work is licensed under the terms of the GNU GPL, version 2 or later. 11 * See the COPYING file in the top-level directory. 12 */ 13 #ifndef GUEST_AGENT_CORE_H 14 #define GUEST_AGENT_CORE_H 15 16 #ifdef _WIN32 17 #include <pdh.h> 18 #endif 19 20 #include "qapi/qmp-registry.h" 21 #include "qga-qapi-types.h" 22 23 #define QGA_READ_COUNT_DEFAULT 4096 24 25 typedef struct GAState GAState; 26 typedef struct GACommandState GACommandState; 27 28 extern GAState *ga_state; 29 extern QmpCommandList ga_commands; 30 31 GList *ga_command_init_blockedrpcs(GList *blockedrpcs); 32 void ga_command_state_init(GAState *s, GACommandState *cs); 33 void ga_command_state_add(GACommandState *cs, 34 void (*init)(void), 35 void (*cleanup)(void)); 36 void ga_command_state_init_all(GACommandState *cs); 37 void ga_command_state_cleanup_all(GACommandState *cs); 38 GACommandState *ga_command_state_new(void); 39 void ga_command_state_free(GACommandState *cs); 40 bool ga_logging_enabled(GAState *s); 41 void ga_disable_logging(GAState *s); 42 void ga_enable_logging(GAState *s); 43 void G_GNUC_PRINTF(1, 2) slog(const gchar *fmt, ...); 44 void ga_set_response_delimited(GAState *s); 45 bool ga_is_frozen(GAState *s); 46 void ga_set_frozen(GAState *s); 47 void ga_unset_frozen(GAState *s); 48 #ifdef _WIN32 49 void ga_set_load_avg_event(GAState *s, HANDLE event); 50 void ga_set_load_avg_wait_handle(GAState *s, HANDLE wait_handle); 51 void ga_set_load_avg_pdh_query(GAState *s, HQUERY query); 52 HQUERY ga_get_load_avg_pdh_query(GAState *s); 53 #endif 54 const char *ga_fsfreeze_hook(GAState *s); 55 int64_t ga_get_fd_handle(GAState *s, Error **errp); 56 int ga_parse_whence(GuestFileWhence *whence, Error **errp); 57 58 #ifndef _WIN32 59 void reopen_fd_to_null(int fd); 60 #endif 61 62 #endif /* GUEST_AGENT_CORE_H */ 63