xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

um: drivers: Add virtio vhost-user driver

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

5
arch/um/include/asm/irq.h
View File

@@ -17,17 +17,18 @@
#define TELNETD_IRQ 12
#define XTERM_IRQ 13
#define RANDOM_IRQ 14
#define VIRTIO_IRQ 15
#ifdef CONFIG_UML_NET_VECTOR
#define VECTOR_BASE_IRQ 15
#define VECTOR_BASE_IRQ (VIRTIO_IRQ + 1)
#define VECTOR_IRQ_SPACE 8
#define LAST_IRQ (VECTOR_IRQ_SPACE + VECTOR_BASE_IRQ - 1)
#else
#define LAST_IRQ RANDOM_IRQ
#define LAST_IRQ VIRTIO_IRQ
#endif

5
arch/um/include/shared/os.h
View File

@@ -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);