qemu/include/sysemu/os-win32.h
Stefan Hajnoczi 03a3a62fbd * only build util/async-teardown.c when system build is requested
* target/i386: fix BQL handling of the legacy FERR interrupts
 * target/i386: fix memory operand size for CVTPS2PD
 * target/i386: Add support for AMX-COMPLEX in CPUID enumeration
 * compile plugins on Darwin
 * configure and meson cleanups
 * drop mkvenv support for Python 3.7 and Debian10
 * add wrap file for libblkio
 * tweak KVM stubs
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* only build util/async-teardown.c when system build is requested
* target/i386: fix BQL handling of the legacy FERR interrupts
* target/i386: fix memory operand size for CVTPS2PD
* target/i386: Add support for AMX-COMPLEX in CPUID enumeration
* compile plugins on Darwin
* configure and meson cleanups
* drop mkvenv support for Python 3.7 and Debian10
* add wrap file for libblkio
* tweak KVM stubs

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# gpg: Signature made Thu 07 Sep 2023 07:44:37 EDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (51 commits)
  docs/system/replay: do not show removed command line option
  subprojects: add wrap file for libblkio
  sysemu/kvm: Restrict kvm_pc_setup_irq_routing() to x86 targets
  sysemu/kvm: Restrict kvm_has_pit_state2() to x86 targets
  sysemu/kvm: Restrict kvm_get_apic_state() to x86 targets
  sysemu/kvm: Restrict kvm_arch_get_supported_cpuid/msr() to x86 targets
  target/i386: Restrict declarations specific to CONFIG_KVM
  target/i386: Allow elision of kvm_hv_vpindex_settable()
  target/i386: Allow elision of kvm_enable_x2apic()
  target/i386: Remove unused KVM stubs
  target/i386/cpu-sysemu: Inline kvm_apic_in_kernel()
  target/i386/helper: Restrict KVM declarations to system emulation
  hw/i386/fw_cfg: Include missing 'cpu.h' header
  hw/i386/pc: Include missing 'cpu.h' header
  hw/i386/pc: Include missing 'sysemu/tcg.h' header
  Revert "mkvenv: work around broken pip installations on Debian 10"
  mkvenv: assume presence of importlib.metadata
  Python: Drop support for Python 3.7
  configure: remove dead code
  meson: list leftover CONFIG_* symbols
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-09-07 10:29:06 -04:00

273 lines
7.9 KiB
C

/*
* win32 specific declarations
*
* Copyright (c) 2003-2008 Fabrice Bellard
* Copyright (c) 2010 Jes Sorensen <Jes.Sorensen@redhat.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef QEMU_OS_WIN32_H
#define QEMU_OS_WIN32_H
#include <winsock2.h>
#include <windows.h>
#include <ws2tcpip.h>
#include "qemu/typedefs.h"
#ifdef HAVE_AFUNIX_H
#include <afunix.h>
#else
/*
* Fallback definitions of things we need in afunix.h, if not available from
* the used Windows SDK or MinGW headers.
*/
#define UNIX_PATH_MAX 108
typedef struct sockaddr_un {
ADDRESS_FAMILY sun_family;
char sun_path[UNIX_PATH_MAX];
} SOCKADDR_UN, *PSOCKADDR_UN;
#define SIO_AF_UNIX_GETPEERPID _WSAIOR(IOC_VENDOR, 256)
#endif
#ifdef __cplusplus
extern "C" {
#endif
#if defined(__aarch64__)
/*
* On windows-arm64, setjmp is available in only one variant, and longjmp always
* does stack unwinding. This crash with generated code.
* Thus, we use another implementation of setjmp (not windows one), coming from
* mingw, which never performs stack unwinding.
*/
#undef setjmp
#undef longjmp
/*
* These functions are not declared in setjmp.h because __aarch64__ defines
* setjmp to _setjmpex instead. However, they are still defined in libmingwex.a,
* which gets linked automatically.
*/
int __mingw_setjmp(jmp_buf);
void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
#define setjmp(env) __mingw_setjmp(env)
#define longjmp(env, val) __mingw_longjmp(env, val)
#elif defined(_WIN64)
/*
* On windows-x64, setjmp is implemented by _setjmp which needs a second parameter.
* If this parameter is NULL, longjump does no stack unwinding.
* That is what we need for QEMU. Passing the value of register rsp (default)
* lets longjmp try a stack unwinding which will crash with generated code.
*/
# undef setjmp
# define setjmp(env) _setjmp(env, NULL)
#endif /* __aarch64__ */
/* QEMU uses sigsetjmp()/siglongjmp() as the portable way to specify
* "longjmp and don't touch the signal masks". Since we know that the
* savemask parameter will always be zero we can safely define these
* in terms of setjmp/longjmp on Win32.
*/
#define sigjmp_buf jmp_buf
#define sigsetjmp(env, savemask) setjmp(env)
#define siglongjmp(env, val) longjmp(env, val)
/* Missing POSIX functions. Don't use MinGW-w64 macros. */
#ifndef _POSIX_THREAD_SAFE_FUNCTIONS
#undef gmtime_r
struct tm *gmtime_r(const time_t *timep, struct tm *result);
#undef localtime_r
struct tm *localtime_r(const time_t *timep, struct tm *result);
#endif /* _POSIX_THREAD_SAFE_FUNCTIONS */
static inline void os_setup_signal_handling(void) {}
static inline void os_daemonize(void) {}
static inline void os_setup_post(void) {}
static inline void os_set_proc_name(const char *dummy) {}
void os_set_line_buffering(void);
void os_setup_early_signal_handling(void);
int getpagesize(void);
#if !defined(EPROTONOSUPPORT)
# define EPROTONOSUPPORT EINVAL
#endif
static inline int os_set_daemonize(bool d)
{
if (d) {
return -ENOTSUP;
}
return 0;
}
static inline bool is_daemonized(void)
{
return false;
}
static inline int os_mlock(void)
{
return -ENOSYS;
}
#define fsync _commit
#if !defined(lseek)
# define lseek _lseeki64
#endif
int qemu_ftruncate64(int, int64_t);
#if !defined(ftruncate)
# define ftruncate qemu_ftruncate64
#endif
static inline char *realpath(const char *path, char *resolved_path)
{
_fullpath(resolved_path, path, _MAX_PATH);
return resolved_path;
}
/*
* Older versions of MinGW do not import _lock_file and _unlock_file properly.
* This was fixed for v6.0.0 with commit b48e3ac8969d.
*/
static inline void qemu_flockfile(FILE *f)
{
#ifdef HAVE__LOCK_FILE
_lock_file(f);
#endif
}
static inline void qemu_funlockfile(FILE *f)
{
#ifdef HAVE__LOCK_FILE
_unlock_file(f);
#endif
}
/* Helper for WSAEventSelect, to report errors */
bool qemu_socket_select(int sockfd, WSAEVENT hEventObject,
long lNetworkEvents, Error **errp);
bool qemu_socket_unselect(int sockfd, Error **errp);
/* We wrap all the sockets functions so that we can set errno based on
* WSAGetLastError(), and use file-descriptors instead of SOCKET.
*/
/*
* qemu_close_socket_osfhandle:
* @fd: a file descriptor associated with a SOCKET
*
* Close only the C run-time file descriptor, leave the SOCKET opened.
*
* Returns zero on success. On error, -1 is returned, and errno is set to
* indicate the error.
*/
int qemu_close_socket_osfhandle(int fd);
#undef close
#define close qemu_close_wrap
int qemu_close_wrap(int fd);
#undef connect
#define connect qemu_connect_wrap
int qemu_connect_wrap(int sockfd, const struct sockaddr *addr,
socklen_t addrlen);
#undef listen
#define listen qemu_listen_wrap
int qemu_listen_wrap(int sockfd, int backlog);
#undef bind
#define bind qemu_bind_wrap
int qemu_bind_wrap(int sockfd, const struct sockaddr *addr,
socklen_t addrlen);
#undef socket
#define socket qemu_socket_wrap
int qemu_socket_wrap(int domain, int type, int protocol);
#undef accept
#define accept qemu_accept_wrap
int qemu_accept_wrap(int sockfd, struct sockaddr *addr,
socklen_t *addrlen);
#undef shutdown
#define shutdown qemu_shutdown_wrap
int qemu_shutdown_wrap(int sockfd, int how);
#undef ioctlsocket
#define ioctlsocket qemu_ioctlsocket_wrap
int qemu_ioctlsocket_wrap(int fd, int req, void *val);
#undef getsockopt
#define getsockopt qemu_getsockopt_wrap
int qemu_getsockopt_wrap(int sockfd, int level, int optname,
void *optval, socklen_t *optlen);
#undef setsockopt
#define setsockopt qemu_setsockopt_wrap
int qemu_setsockopt_wrap(int sockfd, int level, int optname,
const void *optval, socklen_t optlen);
#undef getpeername
#define getpeername qemu_getpeername_wrap
int qemu_getpeername_wrap(int sockfd, struct sockaddr *addr,
socklen_t *addrlen);
#undef getsockname
#define getsockname qemu_getsockname_wrap
int qemu_getsockname_wrap(int sockfd, struct sockaddr *addr,
socklen_t *addrlen);
#undef send
#define send qemu_send_wrap
ssize_t qemu_send_wrap(int sockfd, const void *buf, size_t len, int flags);
#undef sendto
#define sendto qemu_sendto_wrap
ssize_t qemu_sendto_wrap(int sockfd, const void *buf, size_t len, int flags,
const struct sockaddr *addr, socklen_t addrlen);
#undef recv
#define recv qemu_recv_wrap
ssize_t qemu_recv_wrap(int sockfd, void *buf, size_t len, int flags);
#undef recvfrom
#define recvfrom qemu_recvfrom_wrap
ssize_t qemu_recvfrom_wrap(int sockfd, void *buf, size_t len, int flags,
struct sockaddr *addr, socklen_t *addrlen);
EXCEPTION_DISPOSITION
win32_close_exception_handler(struct _EXCEPTION_RECORD*, void*,
struct _CONTEXT*, void*);
void *qemu_win32_map_alloc(size_t size, HANDLE *h, Error **errp);
void qemu_win32_map_free(void *ptr, HANDLE h, Error **errp);
#ifdef __cplusplus
}
#endif
#endif