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um: drivers: Add virtio vhost-user driver

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This module allows virtio devices to be used over a vhost-user socket.

Signed-off-by: Erel Geron <erelx.geron@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Erel Geron
2019-09-11 14:51:20 +02:00
committed by Richard Weinberger
parent 851b6cb17c
commit 5d38f32499
11 changed files with 1169 additions and 2 deletions
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5
arch/um/include/shared/os.h
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@@ -36,6 +36,8 @@
#define OS_LIB_PATH "/usr/lib/"
#endif
#define OS_SENDMSG_MAX_FDS 8
/*
* types taken from stat_file() in hostfs_user.c
* (if they are wrong here, they are wrong there...).
@@ -176,6 +178,9 @@ extern unsigned os_major(unsigned long long dev);
extern unsigned os_minor(unsigned long long dev);
extern unsigned long long os_makedev(unsigned major, unsigned minor);
extern int os_falloc_punch(int fd, unsigned long long offset, int count);
extern int os_eventfd(unsigned int initval, int flags);
extern int os_sendmsg_fds(int fd, const void *buf, unsigned int len,
const int *fds, unsigned int fds_num);
/* start_up.c */
extern void os_early_checks(void);