block: flush backing_hd in the right place

[qemu.git] / qemu-common.h

diff --git a/qemu-common.h b/qemu-common.h
index ee4a672694958ae8d469312b123ab9244307d181..8630f8c41d991b392ed02d1e7c21b518d1ea7a8f 100644 (file)
--- a/qemu-common.h
+++ b/qemu-common.h
@@ -3,6 +3,11 @@
 #define QEMU_COMMON_H
 
 #define QEMU_NORETURN __attribute__ ((__noreturn__))
+#ifdef CONFIG_GCC_ATTRIBUTE_WARN_UNUSED_RESULT
+#define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
+#else
+#define QEMU_WARN_UNUSED_RESULT
+#endif
 
 /* Hack around the mess dyngen-exec.h causes: We need QEMU_NORETURN in files that
    cannot include the following headers without conflicts. This condition has
@@ -32,13 +37,18 @@
 #ifndef O_BINARY
 #define O_BINARY 0
 #endif
-
+#ifndef MAP_ANONYMOUS
+#define MAP_ANONYMOUS MAP_ANON
+#endif
 #ifndef ENOMEDIUM
 #define ENOMEDIUM ENODEV
 #endif
+#if !defined(ENOTSUP)
+#define ENOTSUP 4096
+#endif
 
-#ifndef HAVE_IOVEC
-#define HAVE_IOVEC
+#ifndef CONFIG_IOVEC
+#define CONFIG_IOVEC
 struct iovec {
     void *iov_base;
     size_t iov_len;
@@ -50,11 +60,9 @@ struct iovec {
 #ifdef _WIN32
 #define fsync _commit
 #define lseek _lseeki64
-#define ENOTSUP 4096
 extern int qemu_ftruncate64(int, int64_t);
 #define ftruncate qemu_ftruncate64
 
-
 static inline char *realpath(const char *path, char *resolved_path)
 {
     _fullpath(resolved_path, path, _MAX_PATH);
@@ -85,6 +93,10 @@ typedef struct QEMUBH QEMUBH;
 
 typedef void QEMUBHFunc(void *opaque);
 
+void async_context_push(void);
+void async_context_pop(void);
+int get_async_context_id(void);
+
 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque);
 void qemu_bh_schedule(QEMUBH *bh);
 /* Bottom halfs that are scheduled from a bottom half handler are instantly
@@ -97,6 +109,7 @@ void qemu_bh_schedule_idle(QEMUBH *bh);
 void qemu_bh_cancel(QEMUBH *bh);
 void qemu_bh_delete(QEMUBH *bh);
 int qemu_bh_poll(void);
+void qemu_bh_update_timeout(int *timeout);
 
 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c);
 
@@ -108,8 +121,14 @@ void pstrcpy(char *buf, int buf_size, const char *str);
 char *pstrcat(char *buf, int buf_size, const char *s);
 int strstart(const char *str, const char *val, const char **ptr);
 int stristart(const char *str, const char *val, const char **ptr);
+int qemu_strnlen(const char *s, int max_len);
 time_t mktimegm(struct tm *tm);
 int qemu_fls(int i);
+int qemu_fdatasync(int fd);
+
+/* path.c */
+void init_paths(const char *prefix);
+const char *path(const char *pathname);
 
 #define qemu_isalnum(c)                isalnum((unsigned char)(c))
 #define qemu_isalpha(c)                isalpha((unsigned char)(c))
@@ -137,6 +156,16 @@ char *qemu_strndup(const char *str, size_t size);
 void *get_mmap_addr(unsigned long size);
 
 
+void qemu_mutex_lock_iothread(void);
+void qemu_mutex_unlock_iothread(void);
+
+int qemu_open(const char *name, int flags, ...);
+void qemu_set_cloexec(int fd);
+
+#ifndef _WIN32
+int qemu_pipe(int pipefd[2]);
+#endif
+
 /* Error handling.  */
 
 void QEMU_NORETURN hw_error(const char *fmt, ...)
@@ -168,12 +197,16 @@ typedef struct PixelFormat PixelFormat;
 typedef struct TextConsole TextConsole;
 typedef TextConsole QEMUConsole;
 typedef struct CharDriverState CharDriverState;
+typedef struct MACAddr MACAddr;
 typedef struct VLANState VLANState;
+typedef struct VLANClientState VLANClientState;
 typedef struct QEMUFile QEMUFile;
 typedef struct i2c_bus i2c_bus;
 typedef struct i2c_slave i2c_slave;
 typedef struct SMBusDevice SMBusDevice;
 typedef struct QEMUTimer QEMUTimer;
+typedef struct PCIHostState PCIHostState;
+typedef struct PCIExpressHost PCIExpressHost;
 typedef struct PCIBus PCIBus;
 typedef struct PCIDevice PCIDevice;
 typedef struct SerialState SerialState;
@@ -182,6 +215,8 @@ typedef struct PCMCIACardState PCMCIACardState;
 typedef struct MouseTransformInfo MouseTransformInfo;
 typedef struct uWireSlave uWireSlave;
 typedef struct I2SCodec I2SCodec;
+typedef struct DeviceState DeviceState;
+typedef struct SSIBus SSIBus;
 
 /* CPU save/load.  */
 void cpu_save(QEMUFile *f, void *opaque);
@@ -213,6 +248,7 @@ typedef struct QEMUIOVector {
 void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint);
 void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov);
 void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len);
+void qemu_iovec_concat(QEMUIOVector *dst, QEMUIOVector *src, size_t size);
 void qemu_iovec_destroy(QEMUIOVector *qiov);
 void qemu_iovec_reset(QEMUIOVector *qiov);
 void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf);
@@ -221,6 +257,19 @@ void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count);
 struct Monitor;
 typedef struct Monitor Monitor;
 
+/* Convert a byte between binary and BCD.  */
+static inline uint8_t to_bcd(uint8_t val)
+{
+    return ((val / 10) << 4) | (val % 10);
+}
+
+static inline uint8_t from_bcd(uint8_t val)
+{
+    return ((val >> 4) * 10) + (val & 0x0f);
+}
+
+#include "module.h"
+
 #endif /* dyngen-exec.h hack */
 
 #endif