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qga: Add initial FreeBSD support

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- Fix device path.
- Fix virtio-serial channel initialization.
- Make the code buildable in FreeBSD.

Reviewed-by: Konstantin Kostiuk <kkostiuk@redhat.com>
Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Alexander Ivanov <alexander.ivanov@virtuozzo.com>
Signed-off-by: Konstantin Kostiuk <kkostiuk@redhat.com>
This commit is contained in:
Alexander Ivanov 2022-10-17 09:28:19 +02:00 committed by Konstantin Kostiuk
parent 79fc2fb685
commit c6cd588bb3
4 changed files with 33 additions and 2 deletions
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2
meson.build
View File

@ -75,7 +75,7 @@ have_tools = get_option('tools') \
.allowed()
have_ga = get_option('guest_agent') \
.disable_auto_if(not have_system and not have_tools) \
.require(targetos in ['sunos', 'linux', 'windows'],
.require(targetos in ['sunos', 'linux', 'windows', 'freebsd'],
error_message: 'unsupported OS for QEMU guest agent') \
.allowed()
have_block = have_system or have_tools

19
qga/channel-posix.c
View File

@ -149,6 +149,25 @@ static gboolean ga_channel_open(GAChannel *c, const gchar *path,
return false;
}
#endif
#ifdef __FreeBSD__
/*
* In the default state channel sends echo of every command to a
* client. The client programm doesn't expect this and raises an
* error. Suppress echo by resetting ECHO terminal flag.
*/
struct termios tio;
if (tcgetattr(fd, &tio) < 0) {
error_setg_errno(errp, errno, "error getting channel termios attrs");
close(fd);
return false;
}
tio.c_lflag &= ~ECHO;
if (tcsetattr(fd, TCSAFLUSH, &tio) < 0) {
error_setg_errno(errp, errno, "error setting channel termios attrs");
close(fd);
return false;
}
#endif /* __FreeBSD__ */
ret = ga_channel_client_add(c, fd);
if (ret) {
error_setg(errp, "error adding channel to main loop");

8
qga/commands-posix.c
View File

@ -51,6 +51,14 @@
#endif
#endif
#ifdef __FreeBSD__
/*
* The code under HAVE_GETIFADDRS condition can't be compiled in FreeBSD.
* Fix it in one of the following patches.
*/
#undef HAVE_GETIFADDRS
#endif
#ifdef HAVE_GETIFADDRS
#include <arpa/inet.h>
#include <sys/socket.h>

6
qga/main.c
View File

@ -45,9 +45,13 @@
#endif
#ifndef _WIN32
#ifdef __FreeBSD__
#define QGA_VIRTIO_PATH_DEFAULT "/dev/vtcon/org.qemu.guest_agent.0"
#else /* __FreeBSD__ */
#define QGA_VIRTIO_PATH_DEFAULT "/dev/virtio-ports/org.qemu.guest_agent.0"
#define QGA_STATE_RELATIVE_DIR "run"
#endif /* __FreeBSD__ */
#define QGA_SERIAL_PATH_DEFAULT "/dev/ttyS0"
#define QGA_STATE_RELATIVE_DIR "run"
#else
#define QGA_VIRTIO_PATH_DEFAULT "\\\\.\\Global\\org.qemu.guest_agent.0"
#define QGA_STATE_RELATIVE_DIR "qemu-ga"