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fusefs: raise protocol level to 7.11

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This commit adds the definitions for protocol 7.11 but doesn't yet implement
the new features.  The new features are optional, so they can come later.

Sponsored by:	The FreeBSD Foundation
This commit is contained in:
asomers 2019-05-29 00:54:49 +00:00
parent ae9cbdd75e
commit cd8d16ee33
1 changed files with 105 additions and 7 deletions
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112
sys/fs/fuse/fuse_kernel.h
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@ -1,6 +1,6 @@
/*--
* This file defines the kernel interface of FUSE
* Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
* Copyright (C) 2001-2008 Miklos Szeredi <miklos@szeredi.hu>
*
* This program can be distributed under the terms of the GNU GPL.
* See the file COPYING.
@ -48,6 +48,10 @@
*
* 7.10
* - add nonseekable open flag
*
* 7.11
* - add IOCTL message
* - add unsolicited notification support
*/
#ifndef _FUSE_FUSE_KERNEL_H
@ -59,22 +63,18 @@
#define __u32 uint32_t
#define __s32 int32_t
#else
#include <asm/types.h>
#include <linux/major.h>
#include <linux/types.h>
#endif
/** Version number of this interface */
#define FUSE_KERNEL_VERSION 7
/** Minor version number of this interface */
#define FUSE_KERNEL_MINOR_VERSION 10
#define FUSE_KERNEL_MINOR_VERSION 11
/** The node ID of the root inode */
#define FUSE_ROOT_ID 1
/** The major number of the fuse character device */
#define FUSE_MAJOR MISC_MAJOR
/* Make sure all structures are padded to 64bit boundary, so 32bit
userspace works under 64bit kernels */
@ -154,6 +154,15 @@ struct fuse_file_lock {
#define FUSE_EXPORT_SUPPORT (1 << 4)
#define FUSE_BIG_WRITES (1 << 5)
#ifdef linux
/**
* CUSE INIT request/reply flags
*
* CUSE_UNRESTRICTED_IOCTL: use unrestricted ioctl
*/
#define CUSE_UNRESTRICTED_IOCTL (1 << 0)
#endif /* linux */
/**
* Release flags
*/
@ -183,6 +192,28 @@ struct fuse_file_lock {
*/
#define FUSE_READ_LOCKOWNER (1 << 1)
/**
* Ioctl flags
*
* FUSE_IOCTL_COMPAT: 32bit compat ioctl on 64bit machine
* FUSE_IOCTL_UNRESTRICTED: not restricted to well-formed ioctls, retry allowed
* FUSE_IOCTL_RETRY: retry with new iovecs
*
* FUSE_IOCTL_MAX_IOV: maximum of in_iovecs + out_iovecs
*/
#define FUSE_IOCTL_COMPAT (1 << 0)
#define FUSE_IOCTL_UNRESTRICTED (1 << 1)
#define FUSE_IOCTL_RETRY (1 << 2)
#define FUSE_IOCTL_MAX_IOV 256
/**
* Poll flags
*
* FUSE_POLL_SCHEDULE_NOTIFY: request poll notify
*/
#define FUSE_POLL_SCHEDULE_NOTIFY (1 << 0)
enum fuse_opcode {
FUSE_LOOKUP = 1,
FUSE_FORGET = 2, /* no reply */
@ -220,6 +251,18 @@ enum fuse_opcode {
FUSE_INTERRUPT = 36,
FUSE_BMAP = 37,
FUSE_DESTROY = 38,
FUSE_IOCTL = 39,
FUSE_POLL = 40,
#ifdef linux
/* CUSE specific operations */
CUSE_INIT = 4096,
#endif /* linux */
};
enum fuse_notify_code {
FUSE_NOTIFY_POLL = 1,
FUSE_NOTIFY_CODE_MAX,
};
/* The read buffer is required to be at least 8k, but may be much larger */
@ -416,6 +459,29 @@ struct fuse_init_out {
__u32 max_write;
};
#ifdef linux
#define CUSE_INIT_INFO_MAX 4096
struct cuse_init_in {
__u32 major;
__u32 minor;
__u32 unused;
__u32 flags;
};
struct cuse_init_out {
__u32 major;
__u32 minor;
__u32 unused;
__u32 flags;
__u32 max_read;
__u32 max_write;
__u32 dev_major; /* chardev major */
__u32 dev_minor; /* chardev minor */
__u32 spare[10];
};
#endif /* linux */
struct fuse_interrupt_in {
__u64 unique;
};
@ -430,6 +496,38 @@ struct fuse_bmap_out {
__u64 block;
};
struct fuse_ioctl_in {
__u64 fh;
__u32 flags;
__u32 cmd;
__u64 arg;
__u32 in_size;
__u32 out_size;
};
struct fuse_ioctl_out {
__s32 result;
__u32 flags;
__u32 in_iovs;
__u32 out_iovs;
};
struct fuse_poll_in {
__u64 fh;
__u64 kh;
__u32 flags;
__u32 padding;
};
struct fuse_poll_out {
__u32 revents;
__u32 padding;
};
struct fuse_notify_poll_wakeup_out {
__u64 kh;
};
struct fuse_in_header {
__u32 len;
__u32 opcode;