2 * This file is supposed to be included only by .c files. No header file should
3 * depend on qemu-common.h, as this would easily lead to circular header
6 * If a header file uses a definition from qemu-common.h, that definition
7 * must be moved to a separate header file, and the header that uses it
8 * must include that header.
13 #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
15 /* Copyright string for -version arguments, About dialogs, etc */
16 #define QEMU_COPYRIGHT "Copyright (c) 2003-2022 " \
17 "Fabrice Bellard and the QEMU Project developers"
19 /* Bug reporting information for --help arguments, About dialogs, etc */
20 #define QEMU_HELP_BOTTOM \
21 "See <https://qemu.org/contribute/report-a-bug> for how to report bugs.\n" \
22 "More information on the QEMU project at <https://qemu.org>."
24 /* main function, renamed */
25 #if defined(CONFIG_COCOA)
26 int qemu_main(int argc
, char **argv
, char **envp
);
29 ssize_t
qemu_write_full(int fd
, const void *buf
, size_t count
)
30 QEMU_WARN_UNUSED_RESULT
;
33 int qemu_pipe(int pipefd
[2]);
34 /* like openpty() but also makes it raw; return master fd */
35 int qemu_openpty_raw(int *aslave
, char *pty_name
);
39 /* MinGW needs type casts for the 'buf' and 'optval' arguments. */
40 #define qemu_getsockopt(sockfd, level, optname, optval, optlen) \
41 getsockopt(sockfd, level, optname, (void *)optval, optlen)
42 #define qemu_setsockopt(sockfd, level, optname, optval, optlen) \
43 setsockopt(sockfd, level, optname, (const void *)optval, optlen)
44 #define qemu_recv(sockfd, buf, len, flags) recv(sockfd, (void *)buf, len, flags)
45 #define qemu_sendto(sockfd, buf, len, flags, destaddr, addrlen) \
46 sendto(sockfd, (const void *)buf, len, flags, destaddr, addrlen)
48 #define qemu_getsockopt(sockfd, level, optname, optval, optlen) \
49 getsockopt(sockfd, level, optname, optval, optlen)
50 #define qemu_setsockopt(sockfd, level, optname, optval, optlen) \
51 setsockopt(sockfd, level, optname, optval, optlen)
52 #define qemu_recv(sockfd, buf, len, flags) recv(sockfd, buf, len, flags)
53 #define qemu_sendto(sockfd, buf, len, flags, destaddr, addrlen) \
54 sendto(sockfd, buf, len, flags, destaddr, addrlen)
57 void cpu_exec_init_all(void);
58 void cpu_exec_step_atomic(CPUState
*cpu
);
61 * set_preferred_target_page_bits:
62 * @bits: number of bits needed to represent an address within the page
64 * Set the preferred target page size (the actual target page
65 * size may be smaller than any given CPU's preference).
66 * Returns true on success, false on failure (which can only happen
67 * if this is called after the system has already finalized its
68 * choice of page size and the requested page size is smaller than that).
70 bool set_preferred_target_page_bits(int bits
);
73 * finalize_target_page_bits:
74 * Commit the final value set by set_preferred_target_page_bits.
76 void finalize_target_page_bits(void);
79 * Sends a (part of) iovec down a socket, yielding when the socket is full, or
80 * Receives data into a (part of) iovec from a socket,
81 * yielding when there is no data in the socket.
82 * The same interface as qemu_sendv_recvv(), with added yielding.
83 * XXX should mark these as coroutine_fn
85 ssize_t
qemu_co_sendv_recvv(int sockfd
, struct iovec
*iov
, unsigned iov_cnt
,
86 size_t offset
, size_t bytes
, bool do_send
);
87 #define qemu_co_recvv(sockfd, iov, iov_cnt, offset, bytes) \
88 qemu_co_sendv_recvv(sockfd, iov, iov_cnt, offset, bytes, false)
89 #define qemu_co_sendv(sockfd, iov, iov_cnt, offset, bytes) \
90 qemu_co_sendv_recvv(sockfd, iov, iov_cnt, offset, bytes, true)
93 * The same as above, but with just a single buffer
95 ssize_t
qemu_co_send_recv(int sockfd
, void *buf
, size_t bytes
, bool do_send
);
96 #define qemu_co_recv(sockfd, buf, bytes) \
97 qemu_co_send_recv(sockfd, buf, bytes, false)
98 #define qemu_co_send(sockfd, buf, bytes) \
99 qemu_co_send_recv(sockfd, buf, bytes, true)
101 void qemu_progress_init(int enabled
, float min_skip
);
102 void qemu_progress_end(void);
103 void qemu_progress_print(float delta
, int max
);
104 const char *qemu_get_vm_name(void);
106 /* OS specific functions */
107 void os_setup_early_signal_handling(void);
108 int os_parse_cmd_args(int index
, const char *optarg
);
111 * Hexdump a line of a byte buffer into a hexadecimal/ASCII buffer
113 #define QEMU_HEXDUMP_LINE_BYTES 16 /* Number of bytes to dump */
114 #define QEMU_HEXDUMP_LINE_LEN 75 /* Number of characters in line */
115 void qemu_hexdump_line(char *line
, unsigned int b
, const void *bufptr
,
116 unsigned int len
, bool ascii
);
119 * Hexdump a buffer to a file. An optional string prefix is added to every line
122 void qemu_hexdump(FILE *fp
, const char *prefix
,
123 const void *bufptr
, size_t size
);
126 * helper to parse debug environment variables
128 int parse_debug_env(const char *name
, int max
, int initial
);
130 const char *qemu_ether_ntoa(const MACAddr
*mac
);
131 void page_size_init(void);
133 /* returns non-zero if dump is in progress, otherwise zero is
135 bool dump_in_progress(void);