2012-08-06 20:42:50 +02:00
|
|
|
|
2012-10-23 23:44:02 +02:00
|
|
|
/* Common header file that is included by all of QEMU.
|
|
|
|
*
|
|
|
|
* This file is supposed to be included only by .c files. No header file should
|
|
|
|
* depend on qemu-common.h, as this would easily lead to circular header
|
|
|
|
* dependencies.
|
|
|
|
*
|
|
|
|
* If a header file uses a definition from qemu-common.h, that definition
|
|
|
|
* must be moved to a separate header file, and the header that uses it
|
|
|
|
* must include that header.
|
|
|
|
*/
|
2007-11-11 03:51:17 +01:00
|
|
|
#ifndef QEMU_COMMON_H
|
|
|
|
#define QEMU_COMMON_H
|
|
|
|
|
2012-12-17 18:20:00 +01:00
|
|
|
#include "qemu/compiler.h"
|
2010-01-15 12:56:41 +01:00
|
|
|
#include "config-host.h"
|
2012-12-17 18:20:00 +01:00
|
|
|
#include "qemu/typedefs.h"
|
2010-01-15 12:56:41 +01:00
|
|
|
|
2011-07-28 12:10:28 +02:00
|
|
|
#if defined(__arm__) || defined(__sparc__) || defined(__mips__) || defined(__hppa__) || defined(__ia64__)
|
|
|
|
#define WORDS_ALIGNED
|
|
|
|
#endif
|
|
|
|
|
2011-03-27 11:04:57 +02:00
|
|
|
#define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
|
2010-02-18 21:25:23 +01:00
|
|
|
|
2007-11-11 03:51:17 +01:00
|
|
|
/* we put basic includes here to avoid repeating them in device drivers */
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <stdarg.h>
|
2010-06-13 20:00:50 +02:00
|
|
|
#include <stdbool.h>
|
2007-11-11 03:51:17 +01:00
|
|
|
#include <string.h>
|
2008-11-12 18:18:41 +01:00
|
|
|
#include <strings.h>
|
2007-11-11 03:51:17 +01:00
|
|
|
#include <inttypes.h>
|
|
|
|
#include <limits.h>
|
|
|
|
#include <time.h>
|
|
|
|
#include <ctype.h>
|
|
|
|
#include <errno.h>
|
|
|
|
#include <unistd.h>
|
|
|
|
#include <fcntl.h>
|
|
|
|
#include <sys/stat.h>
|
2011-03-06 14:23:13 +01:00
|
|
|
#include <sys/time.h>
|
2009-05-13 21:51:49 +02:00
|
|
|
#include <assert.h>
|
2011-06-02 04:21:30 +02:00
|
|
|
#include <signal.h>
|
2011-08-21 05:18:37 +02:00
|
|
|
#include <glib.h>
|
2007-11-11 03:51:17 +01:00
|
|
|
|
2011-03-27 11:04:57 +02:00
|
|
|
#ifdef _WIN32
|
2012-12-17 18:20:04 +01:00
|
|
|
#include "sysemu/os-win32.h"
|
2011-03-27 11:04:57 +02:00
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef CONFIG_POSIX
|
2012-12-17 18:20:04 +01:00
|
|
|
#include "sysemu/os-posix.h"
|
2011-03-27 11:04:57 +02:00
|
|
|
#endif
|
|
|
|
|
2007-11-11 03:51:17 +01:00
|
|
|
#ifndef O_LARGEFILE
|
|
|
|
#define O_LARGEFILE 0
|
|
|
|
#endif
|
|
|
|
#ifndef O_BINARY
|
|
|
|
#define O_BINARY 0
|
|
|
|
#endif
|
2009-07-27 16:12:57 +02:00
|
|
|
#ifndef MAP_ANONYMOUS
|
|
|
|
#define MAP_ANONYMOUS MAP_ANON
|
|
|
|
#endif
|
2007-11-11 03:51:17 +01:00
|
|
|
#ifndef ENOMEDIUM
|
|
|
|
#define ENOMEDIUM ENODEV
|
|
|
|
#endif
|
2009-07-28 22:48:31 +02:00
|
|
|
#if !defined(ENOTSUP)
|
2009-07-27 16:13:22 +02:00
|
|
|
#define ENOTSUP 4096
|
|
|
|
#endif
|
2012-05-10 09:27:50 +02:00
|
|
|
#if !defined(ECANCELED)
|
|
|
|
#define ECANCELED 4097
|
|
|
|
#endif
|
2013-01-17 21:45:24 +01:00
|
|
|
#if !defined(EMEDIUMTYPE)
|
|
|
|
#define EMEDIUMTYPE 4098
|
|
|
|
#endif
|
2010-10-07 11:50:45 +02:00
|
|
|
#ifndef TIME_MAX
|
|
|
|
#define TIME_MAX LONG_MAX
|
|
|
|
#endif
|
2007-11-11 03:51:17 +01:00
|
|
|
|
2012-02-01 21:04:13 +01:00
|
|
|
/* HOST_LONG_BITS is the size of a native pointer in bits. */
|
|
|
|
#if UINTPTR_MAX == UINT32_MAX
|
|
|
|
# define HOST_LONG_BITS 32
|
|
|
|
#elif UINTPTR_MAX == UINT64_MAX
|
|
|
|
# define HOST_LONG_BITS 64
|
|
|
|
#else
|
|
|
|
# error Unknown pointer size
|
|
|
|
#endif
|
|
|
|
|
2009-07-27 16:12:59 +02:00
|
|
|
#ifndef CONFIG_IOVEC
|
|
|
|
#define CONFIG_IOVEC
|
2008-12-05 21:05:26 +01:00
|
|
|
struct iovec {
|
|
|
|
void *iov_base;
|
|
|
|
size_t iov_len;
|
|
|
|
};
|
2010-01-26 14:49:08 +01:00
|
|
|
/*
|
|
|
|
* Use the same value as Linux for now.
|
|
|
|
*/
|
|
|
|
#define IOV_MAX 1024
|
2008-12-06 20:44:56 +01:00
|
|
|
#else
|
|
|
|
#include <sys/uio.h>
|
2008-12-05 21:05:26 +01:00
|
|
|
#endif
|
|
|
|
|
2010-10-22 23:03:30 +02:00
|
|
|
typedef int (*fprintf_function)(FILE *f, const char *fmt, ...)
|
|
|
|
GCC_FMT_ATTR(2, 3);
|
|
|
|
|
2007-11-11 03:51:17 +01:00
|
|
|
#ifdef _WIN32
|
|
|
|
#define fsync _commit
|
2012-03-10 11:14:31 +01:00
|
|
|
#if !defined(lseek)
|
|
|
|
# define lseek _lseeki64
|
|
|
|
#endif
|
2011-01-23 17:21:20 +01:00
|
|
|
int qemu_ftruncate64(int, int64_t);
|
2012-03-10 11:14:31 +01:00
|
|
|
#if !defined(ftruncate)
|
|
|
|
# define ftruncate qemu_ftruncate64
|
|
|
|
#endif
|
2007-11-11 03:51:17 +01:00
|
|
|
|
|
|
|
static inline char *realpath(const char *path, char *resolved_path)
|
|
|
|
{
|
|
|
|
_fullpath(resolved_path, path, _MAX_PATH);
|
|
|
|
return resolved_path;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2011-09-12 13:57:37 +02:00
|
|
|
/* icount */
|
|
|
|
void configure_icount(const char *option);
|
|
|
|
extern int use_icount;
|
|
|
|
|
2007-11-11 03:51:17 +01:00
|
|
|
/* FIXME: Remove NEED_CPU_H. */
|
|
|
|
#ifndef NEED_CPU_H
|
|
|
|
|
2012-12-17 18:20:00 +01:00
|
|
|
#include "qemu/osdep.h"
|
|
|
|
#include "qemu/bswap.h"
|
2007-11-11 03:51:17 +01:00
|
|
|
|
|
|
|
#else
|
|
|
|
|
|
|
|
#include "cpu.h"
|
|
|
|
|
|
|
|
#endif /* !defined(NEED_CPU_H) */
|
|
|
|
|
2011-05-29 19:42:51 +02:00
|
|
|
/* main function, renamed */
|
|
|
|
#if defined(CONFIG_COCOA)
|
|
|
|
int qemu_main(int argc, char **argv, char **envp);
|
|
|
|
#endif
|
|
|
|
|
2008-02-17 12:42:19 +01:00
|
|
|
void qemu_get_timedate(struct tm *tm, int offset);
|
|
|
|
int qemu_timedate_diff(struct tm *tm);
|
|
|
|
|
2012-08-02 14:45:54 +02:00
|
|
|
/**
|
|
|
|
* is_help_option:
|
|
|
|
* @s: string to test
|
|
|
|
*
|
|
|
|
* Check whether @s is one of the standard strings which indicate
|
|
|
|
* that the user is asking for a list of the valid values for a
|
|
|
|
* command option like -cpu or -M. The current accepted strings
|
|
|
|
* are 'help' and '?'. '?' is deprecated (it is a shell wildcard
|
|
|
|
* which makes it annoying to use in a reliable way) but provided
|
|
|
|
* for backwards compatibility.
|
|
|
|
*
|
|
|
|
* Returns: true if @s is a request for a list.
|
|
|
|
*/
|
|
|
|
static inline bool is_help_option(const char *s)
|
|
|
|
{
|
|
|
|
return !strcmp(s, "?") || !strcmp(s, "help");
|
|
|
|
}
|
|
|
|
|
2007-11-11 03:51:17 +01:00
|
|
|
/* cutils.c */
|
|
|
|
void pstrcpy(char *buf, int buf_size, const char *str);
|
2012-07-09 08:50:43 +02:00
|
|
|
void strpadcpy(char *buf, int buf_size, const char *str, char pad);
|
2007-11-11 03:51:17 +01:00
|
|
|
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);
|
2009-07-01 20:24:44 +02:00
|
|
|
int qemu_strnlen(const char *s, int max_len);
|
2007-11-11 03:51:17 +01:00
|
|
|
time_t mktimegm(struct tm *tm);
|
2008-12-11 20:37:54 +01:00
|
|
|
int qemu_fls(int i);
|
2009-09-04 19:01:32 +02:00
|
|
|
int qemu_fdatasync(int fd);
|
2010-03-10 11:38:55 +01:00
|
|
|
int fcntl_setfl(int fd, int flag);
|
2011-09-28 12:41:32 +02:00
|
|
|
int qemu_parse_fd(const char *param);
|
2010-12-09 14:17:24 +01:00
|
|
|
|
2013-02-04 19:27:45 +01:00
|
|
|
int parse_uint(const char *s, unsigned long long *value, char **endptr,
|
|
|
|
int base);
|
|
|
|
int parse_uint_full(const char *s, unsigned long long *value, int base);
|
|
|
|
|
2011-01-26 11:54:58 +01:00
|
|
|
/*
|
|
|
|
* strtosz() suffixes used to specify the default treatment of an
|
|
|
|
* argument passed to strtosz() without an explicit suffix.
|
|
|
|
* These should be defined using upper case characters in the range
|
|
|
|
* A-Z, as strtosz() will use qemu_toupper() on the given argument
|
|
|
|
* prior to comparison.
|
|
|
|
*/
|
2010-12-09 14:17:24 +01:00
|
|
|
#define STRTOSZ_DEFSUFFIX_TB 'T'
|
|
|
|
#define STRTOSZ_DEFSUFFIX_GB 'G'
|
|
|
|
#define STRTOSZ_DEFSUFFIX_MB 'M'
|
|
|
|
#define STRTOSZ_DEFSUFFIX_KB 'K'
|
|
|
|
#define STRTOSZ_DEFSUFFIX_B 'B'
|
2011-01-05 11:41:02 +01:00
|
|
|
int64_t strtosz(const char *nptr, char **end);
|
|
|
|
int64_t strtosz_suffix(const char *nptr, char **end, const char default_suffix);
|
2011-07-07 16:13:11 +02:00
|
|
|
int64_t strtosz_suffix_unit(const char *nptr, char **end,
|
|
|
|
const char default_suffix, int64_t unit);
|
2007-11-11 03:51:17 +01:00
|
|
|
|
2009-08-15 09:51:59 +02:00
|
|
|
/* path.c */
|
|
|
|
void init_paths(const char *prefix);
|
|
|
|
const char *path(const char *pathname);
|
|
|
|
|
2008-11-16 14:53:32 +01:00
|
|
|
#define qemu_isalnum(c) isalnum((unsigned char)(c))
|
|
|
|
#define qemu_isalpha(c) isalpha((unsigned char)(c))
|
|
|
|
#define qemu_iscntrl(c) iscntrl((unsigned char)(c))
|
|
|
|
#define qemu_isdigit(c) isdigit((unsigned char)(c))
|
|
|
|
#define qemu_isgraph(c) isgraph((unsigned char)(c))
|
|
|
|
#define qemu_islower(c) islower((unsigned char)(c))
|
|
|
|
#define qemu_isprint(c) isprint((unsigned char)(c))
|
|
|
|
#define qemu_ispunct(c) ispunct((unsigned char)(c))
|
|
|
|
#define qemu_isspace(c) isspace((unsigned char)(c))
|
|
|
|
#define qemu_isupper(c) isupper((unsigned char)(c))
|
|
|
|
#define qemu_isxdigit(c) isxdigit((unsigned char)(c))
|
|
|
|
#define qemu_tolower(c) tolower((unsigned char)(c))
|
|
|
|
#define qemu_toupper(c) toupper((unsigned char)(c))
|
|
|
|
#define qemu_isascii(c) isascii((unsigned char)(c))
|
|
|
|
#define qemu_toascii(c) toascii((unsigned char)(c))
|
|
|
|
|
2010-10-26 10:39:26 +02:00
|
|
|
void *qemu_oom_check(void *ptr);
|
2008-04-11 23:35:42 +02:00
|
|
|
|
2010-01-20 00:56:09 +01:00
|
|
|
ssize_t qemu_write_full(int fd, const void *buf, size_t count)
|
|
|
|
QEMU_WARN_UNUSED_RESULT;
|
2011-09-17 16:27:59 +02:00
|
|
|
ssize_t qemu_send_full(int fd, const void *buf, size_t count, int flags)
|
|
|
|
QEMU_WARN_UNUSED_RESULT;
|
2011-09-08 13:46:25 +02:00
|
|
|
ssize_t qemu_recv_full(int fd, void *buf, size_t count, int flags)
|
2011-09-17 16:27:59 +02:00
|
|
|
QEMU_WARN_UNUSED_RESULT;
|
2009-12-02 12:24:42 +01:00
|
|
|
|
|
|
|
#ifndef _WIN32
|
|
|
|
int qemu_pipe(int pipefd[2]);
|
|
|
|
#endif
|
|
|
|
|
2011-07-23 22:04:29 +02:00
|
|
|
#ifdef _WIN32
|
2012-09-28 19:07:39 +02:00
|
|
|
/* MinGW needs type casts for the 'buf' and 'optval' arguments. */
|
|
|
|
#define qemu_getsockopt(sockfd, level, optname, optval, optlen) \
|
|
|
|
getsockopt(sockfd, level, optname, (void *)optval, optlen)
|
|
|
|
#define qemu_setsockopt(sockfd, level, optname, optval, optlen) \
|
|
|
|
setsockopt(sockfd, level, optname, (const void *)optval, optlen)
|
2011-07-23 22:04:29 +02:00
|
|
|
#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, (void *)buf, len, flags)
|
2012-09-22 21:13:28 +02:00
|
|
|
#define qemu_sendto(sockfd, buf, len, flags, destaddr, addrlen) \
|
|
|
|
sendto(sockfd, (const void *)buf, len, flags, destaddr, addrlen)
|
2011-07-23 22:04:29 +02:00
|
|
|
#else
|
2012-09-28 19:07:39 +02:00
|
|
|
#define qemu_getsockopt(sockfd, level, optname, optval, optlen) \
|
|
|
|
getsockopt(sockfd, level, optname, optval, optlen)
|
|
|
|
#define qemu_setsockopt(sockfd, level, optname, optval, optlen) \
|
|
|
|
setsockopt(sockfd, level, optname, optval, optlen)
|
2011-07-23 22:04:29 +02:00
|
|
|
#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, buf, len, flags)
|
2012-09-22 21:13:28 +02:00
|
|
|
#define qemu_sendto(sockfd, buf, len, flags, destaddr, addrlen) \
|
|
|
|
sendto(sockfd, buf, len, flags, destaddr, addrlen)
|
2011-07-23 22:04:29 +02:00
|
|
|
#endif
|
|
|
|
|
2007-11-17 18:14:51 +01:00
|
|
|
/* Error handling. */
|
|
|
|
|
2010-09-23 21:28:03 +02:00
|
|
|
void QEMU_NORETURN hw_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
|
2007-11-17 18:14:51 +01:00
|
|
|
|
|
|
|
struct ParallelIOArg {
|
|
|
|
void *buffer;
|
|
|
|
int count;
|
|
|
|
};
|
|
|
|
|
|
|
|
typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size);
|
|
|
|
|
2010-02-10 20:25:42 +01:00
|
|
|
typedef uint64_t pcibus_t;
|
|
|
|
|
2012-01-23 20:15:11 +01:00
|
|
|
typedef enum LostTickPolicy {
|
|
|
|
LOST_TICK_DISCARD,
|
|
|
|
LOST_TICK_DELAY,
|
|
|
|
LOST_TICK_MERGE,
|
|
|
|
LOST_TICK_SLEW,
|
2012-02-02 22:09:44 +01:00
|
|
|
LOST_TICK_MAX
|
2012-01-23 20:15:11 +01:00
|
|
|
} LostTickPolicy;
|
|
|
|
|
2012-06-21 17:36:23 +02:00
|
|
|
typedef struct PCIHostDeviceAddress {
|
|
|
|
unsigned int domain;
|
|
|
|
unsigned int bus;
|
|
|
|
unsigned int slot;
|
|
|
|
unsigned int function;
|
|
|
|
} PCIHostDeviceAddress;
|
|
|
|
|
2011-08-02 16:10:21 +02:00
|
|
|
void tcg_exec_init(unsigned long tb_size);
|
|
|
|
bool tcg_enabled(void);
|
|
|
|
|
|
|
|
void cpu_exec_init_all(void);
|
2010-03-29 21:23:48 +02:00
|
|
|
|
2008-06-30 18:31:04 +02:00
|
|
|
/* CPU save/load. */
|
|
|
|
void cpu_save(QEMUFile *f, void *opaque);
|
|
|
|
int cpu_load(QEMUFile *f, void *opaque, int version_id);
|
|
|
|
|
2009-04-24 20:03:45 +02:00
|
|
|
/* Unblock cpu */
|
2011-02-01 22:15:59 +01:00
|
|
|
void qemu_cpu_kick_self(void);
|
2009-04-24 20:03:45 +02:00
|
|
|
|
2010-05-04 14:45:22 +02:00
|
|
|
/* work queue */
|
|
|
|
struct qemu_work_item {
|
|
|
|
struct qemu_work_item *next;
|
|
|
|
void (*func)(void *data);
|
|
|
|
void *data;
|
|
|
|
int done;
|
|
|
|
};
|
|
|
|
|
2009-04-24 20:03:41 +02:00
|
|
|
#ifdef CONFIG_USER_ONLY
|
2013-01-05 14:44:08 +01:00
|
|
|
static inline void qemu_init_vcpu(void *env)
|
|
|
|
{
|
|
|
|
}
|
2009-04-24 20:03:41 +02:00
|
|
|
#else
|
|
|
|
void qemu_init_vcpu(void *env);
|
|
|
|
#endif
|
|
|
|
|
2011-09-08 13:46:25 +02:00
|
|
|
|
|
|
|
/**
|
2012-06-07 18:22:46 +02:00
|
|
|
* Sends a (part of) iovec down a socket, yielding when the socket is full, or
|
|
|
|
* Receives data into a (part of) iovec from a socket,
|
|
|
|
* yielding when there is no data in the socket.
|
|
|
|
* The same interface as qemu_sendv_recvv(), with added yielding.
|
|
|
|
* XXX should mark these as coroutine_fn
|
2011-09-08 13:46:25 +02:00
|
|
|
*/
|
2012-06-07 18:22:46 +02:00
|
|
|
ssize_t qemu_co_sendv_recvv(int sockfd, struct iovec *iov, unsigned iov_cnt,
|
|
|
|
size_t offset, size_t bytes, bool do_send);
|
|
|
|
#define qemu_co_recvv(sockfd, iov, iov_cnt, offset, bytes) \
|
|
|
|
qemu_co_sendv_recvv(sockfd, iov, iov_cnt, offset, bytes, false)
|
|
|
|
#define qemu_co_sendv(sockfd, iov, iov_cnt, offset, bytes) \
|
|
|
|
qemu_co_sendv_recvv(sockfd, iov, iov_cnt, offset, bytes, true)
|
2011-09-08 13:46:25 +02:00
|
|
|
|
|
|
|
/**
|
2012-06-07 18:22:46 +02:00
|
|
|
* The same as above, but with just a single buffer
|
2011-09-08 13:46:25 +02:00
|
|
|
*/
|
2012-06-07 18:22:46 +02:00
|
|
|
ssize_t qemu_co_send_recv(int sockfd, void *buf, size_t bytes, bool do_send);
|
|
|
|
#define qemu_co_recv(sockfd, buf, bytes) \
|
|
|
|
qemu_co_send_recv(sockfd, buf, bytes, false)
|
|
|
|
#define qemu_co_send(sockfd, buf, bytes) \
|
|
|
|
qemu_co_send_recv(sockfd, buf, bytes, true)
|
2011-09-08 13:46:25 +02:00
|
|
|
|
2009-01-22 17:59:20 +01:00
|
|
|
typedef struct QEMUIOVector {
|
|
|
|
struct iovec *iov;
|
|
|
|
int niov;
|
|
|
|
int nalloc;
|
2009-01-26 18:17:52 +01:00
|
|
|
size_t size;
|
2009-01-22 17:59:20 +01:00
|
|
|
} QEMUIOVector;
|
|
|
|
|
|
|
|
void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint);
|
2009-03-28 18:46:10 +01:00
|
|
|
void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov);
|
2009-01-22 17:59:20 +01:00
|
|
|
void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len);
|
consolidate qemu_iovec_copy() and qemu_iovec_concat() and make them consistent
qemu_iovec_concat() is currently a wrapper for
qemu_iovec_copy(), use the former (with extra
"0" arg) in a few places where it is used.
Change skip argument of qemu_iovec_copy() from
uint64_t to size_t, since size of qiov itself
is size_t, so there's no way to skip larger
sizes. Rename it to soffset, to make it clear
that the offset is applied to src.
Also change the only usage of uint64_t in
hw/9pfs/virtio-9p.c, in v9fs_init_qiov_from_pdu() -
all callers of it actually uses size_t too,
not uint64_t.
One added restriction: as for all other iovec-related
functions, soffset must point inside src.
Order of argumens is already good:
qemu_iovec_memset(QEMUIOVector *qiov, size_t offset,
int c, size_t bytes)
vs:
qemu_iovec_concat(QEMUIOVector *dst,
QEMUIOVector *src,
size_t soffset, size_t sbytes)
(note soffset is after _src_ not dst, since it applies to src;
for memset it applies to qiov).
Note that in many places where this function is used,
the previous call is qemu_iovec_reset(), which means
many callers actually want copy (replacing dst content),
not concat. So we may want to add a wrapper like
qemu_iovec_copy() with the same arguments but which
calls qemu_iovec_reset() before _concat().
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2012-03-12 18:28:06 +01:00
|
|
|
void qemu_iovec_concat(QEMUIOVector *dst,
|
|
|
|
QEMUIOVector *src, size_t soffset, size_t sbytes);
|
2012-11-22 16:06:06 +01:00
|
|
|
void qemu_iovec_concat_iov(QEMUIOVector *dst,
|
|
|
|
struct iovec *src_iov, unsigned int src_cnt,
|
|
|
|
size_t soffset, size_t sbytes);
|
2009-01-22 17:59:20 +01:00
|
|
|
void qemu_iovec_destroy(QEMUIOVector *qiov);
|
2009-02-05 22:23:54 +01:00
|
|
|
void qemu_iovec_reset(QEMUIOVector *qiov);
|
2012-06-07 18:21:06 +02:00
|
|
|
size_t qemu_iovec_to_buf(QEMUIOVector *qiov, size_t offset,
|
|
|
|
void *buf, size_t bytes);
|
allow qemu_iovec_from_buffer() to specify offset from which to start copying
Similar to
qemu_iovec_memset(QEMUIOVector *qiov, size_t offset,
int c, size_t bytes);
the new prototype is:
qemu_iovec_from_buf(QEMUIOVector *qiov, size_t offset,
const void *buf, size_t bytes);
The processing starts at offset bytes within qiov.
This way, we may copy a bounce buffer directly to
a middle of qiov.
This is exactly the same function as iov_from_buf() from
iov.c, so use the existing implementation and rename it
to qemu_iovec_from_buf() to be shorter and to match the
utility function.
As with utility implementation, we now assert that the
offset is inside actual iovec. Nothing changed for
current callers, because `offset' parameter is new.
While at it, stop using "bounce-qiov" in block/qcow2.c
and copy decrypted data directly from cluster_data
instead of recreating a temp qiov for doing that.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2012-06-07 18:17:55 +02:00
|
|
|
size_t qemu_iovec_from_buf(QEMUIOVector *qiov, size_t offset,
|
|
|
|
const void *buf, size_t bytes);
|
consolidate qemu_iovec_memset{,_skip}() into single function and use existing iov_memset()
This patch combines two functions into one, and replaces
the implementation with already existing iov_memset() from
iov.c.
The new prototype of qemu_iovec_memset():
size_t qemu_iovec_memset(qiov, size_t offset, int fillc, size_t bytes)
It is different from former qemu_iovec_memset_skip(), and
I want to make other functions to be consistent with it
too: first how much to skip, second what, and 3rd how many
of it. It also returns actual number of bytes filled in,
which may be less than the requested `bytes' if qiov is
smaller than offset+bytes, in the same way iov_memset()
does.
While at it, use utility function iov_memset() from
iov.h in posix-aio-compat.c, where qiov was used.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2012-03-10 13:54:23 +01:00
|
|
|
size_t qemu_iovec_memset(QEMUIOVector *qiov, size_t offset,
|
|
|
|
int fillc, size_t bytes);
|
2009-01-22 17:59:20 +01:00
|
|
|
|
2012-02-07 14:27:24 +01:00
|
|
|
bool buffer_is_zero(const void *buf, size_t len);
|
|
|
|
|
2011-03-30 14:16:25 +02:00
|
|
|
void qemu_progress_init(int enabled, float min_skip);
|
|
|
|
void qemu_progress_end(void);
|
2011-05-09 17:32:20 +02:00
|
|
|
void qemu_progress_print(float delta, int max);
|
2012-08-06 10:24:55 +02:00
|
|
|
const char *qemu_get_vm_name(void);
|
2011-03-30 14:16:25 +02:00
|
|
|
|
2011-03-27 11:04:57 +02:00
|
|
|
#define QEMU_FILE_TYPE_BIOS 0
|
|
|
|
#define QEMU_FILE_TYPE_KEYMAP 1
|
|
|
|
char *qemu_find_file(int type, const char *name);
|
|
|
|
|
|
|
|
/* OS specific functions */
|
|
|
|
void os_setup_early_signal_handling(void);
|
|
|
|
char *os_find_datadir(const char *argv0);
|
|
|
|
void os_parse_cmd_args(int index, const char *optarg);
|
|
|
|
void os_pidfile_error(void);
|
|
|
|
|
2009-11-20 01:03:47 +01:00
|
|
|
/* 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);
|
|
|
|
}
|
|
|
|
|
2010-10-29 23:41:01 +02:00
|
|
|
/* compute with 96 bit intermediate result: (a*b)/c */
|
|
|
|
static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
|
|
|
|
{
|
|
|
|
union {
|
|
|
|
uint64_t ll;
|
|
|
|
struct {
|
|
|
|
#ifdef HOST_WORDS_BIGENDIAN
|
|
|
|
uint32_t high, low;
|
|
|
|
#else
|
|
|
|
uint32_t low, high;
|
|
|
|
#endif
|
|
|
|
} l;
|
|
|
|
} u, res;
|
|
|
|
uint64_t rl, rh;
|
|
|
|
|
|
|
|
u.ll = a;
|
|
|
|
rl = (uint64_t)u.l.low * (uint64_t)b;
|
|
|
|
rh = (uint64_t)u.l.high * (uint64_t)b;
|
|
|
|
rh += (rl >> 32);
|
|
|
|
res.l.high = rh / c;
|
|
|
|
res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
|
|
|
|
return res.ll;
|
|
|
|
}
|
|
|
|
|
2011-11-17 14:40:25 +01:00
|
|
|
/* Round number down to multiple */
|
|
|
|
#define QEMU_ALIGN_DOWN(n, m) ((n) / (m) * (m))
|
|
|
|
|
|
|
|
/* Round number up to multiple */
|
|
|
|
#define QEMU_ALIGN_UP(n, m) QEMU_ALIGN_DOWN((n) + (m) - 1, (m))
|
|
|
|
|
2012-08-06 20:42:50 +02:00
|
|
|
static inline bool is_power_of_2(uint64_t value)
|
|
|
|
{
|
|
|
|
if (!value) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
return !(value & (value - 1));
|
|
|
|
}
|
|
|
|
|
|
|
|
/* round down to the nearest power of 2*/
|
|
|
|
int64_t pow2floor(int64_t value);
|
|
|
|
|
2012-12-17 18:20:00 +01:00
|
|
|
#include "qemu/module.h"
|
2009-05-14 20:29:53 +02:00
|
|
|
|
2012-08-06 20:42:51 +02:00
|
|
|
/*
|
|
|
|
* Implementation of ULEB128 (http://en.wikipedia.org/wiki/LEB128)
|
|
|
|
* Input is limited to 14-bit numbers
|
|
|
|
*/
|
|
|
|
|
|
|
|
int uleb128_encode_small(uint8_t *out, uint32_t n);
|
|
|
|
int uleb128_decode_small(const uint8_t *in, uint32_t *n);
|
|
|
|
|
2007-11-11 03:51:17 +01:00
|
|
|
#endif
|