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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-06 17:01:20 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-06 17:01:20 -0800
commit5fec8bdbf9a1c4df4ad3f20e52aa2d8caed490c8 (patch)
treee8c1b1a9f3ea6b6a0edb972f082d0d7338c98af4 /include
parent59e3af21e94bd56f6a31ba774786a2bfc753581b (diff)
parent5d9ec854bfb6f1e122b1d96b344164a71eac5be8 (diff)
downloadlwn-5fec8bdbf9a1c4df4ad3f20e52aa2d8caed490c8.tar.gz
lwn-5fec8bdbf9a1c4df4ad3f20e52aa2d8caed490c8.zip
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: clean up annotations of fc->lock fuse: fix sparse warning in ioctl fuse: update interface version fuse: add fuse_conn->release() fuse: separate out fuse_conn_init() from new_conn() fuse: add fuse_ prefix to several functions fuse: implement poll support fuse: implement unsolicited notification fuse: add file kernel handle fuse: implement ioctl support fuse: don't let fuse_req->end() put the base reference fuse: move FUSE_MINOR to miscdevice.h fuse: style fixes
Diffstat (limited to 'include')
-rw-r--r--include/linux/fuse.h79
-rw-r--r--include/linux/miscdevice.h42
2 files changed, 90 insertions, 31 deletions
diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index 350fe9767bbc..162e5defe683 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -1,6 +1,6 @@
/*
FUSE: Filesystem in Userspace
- Copyright (C) 2001-2006 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.
@@ -20,29 +20,27 @@
*
* 7.10
* - add nonseekable open flag
+ *
+ * 7.11
+ * - add IOCTL message
+ * - add unsolicited notification support
+ * - add POLL message and NOTIFY_POLL notification
*/
#ifndef _LINUX_FUSE_H
#define _LINUX_FUSE_H
-#include <asm/types.h>
-#include <linux/major.h>
+#include <linux/types.h>
/** 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
-
-/** The minor number of the fuse character device */
-#define FUSE_MINOR 229
-
/* Make sure all structures are padded to 64bit boundary, so 32bit
userspace works under 64bit kernels */
@@ -151,6 +149,28 @@ 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 */
@@ -188,6 +208,13 @@ enum fuse_opcode {
FUSE_INTERRUPT = 36,
FUSE_BMAP = 37,
FUSE_DESTROY = 38,
+ FUSE_IOCTL = 39,
+ FUSE_POLL = 40,
+};
+
+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 */
@@ -388,6 +415,38 @@ 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;
diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h
index 26433ec520b3..a820f816a49e 100644
--- a/include/linux/miscdevice.h
+++ b/include/linux/miscdevice.h
@@ -3,33 +3,33 @@
#include <linux/module.h>
#include <linux/major.h>
-#define PSMOUSE_MINOR 1
-#define MS_BUSMOUSE_MINOR 2
-#define ATIXL_BUSMOUSE_MINOR 3
-/*#define AMIGAMOUSE_MINOR 4 FIXME OBSOLETE */
-#define ATARIMOUSE_MINOR 5
-#define SUN_MOUSE_MINOR 6
-#define APOLLO_MOUSE_MINOR 7
-#define PC110PAD_MINOR 9
-/*#define ADB_MOUSE_MINOR 10 FIXME OBSOLETE */
+#define PSMOUSE_MINOR 1
+#define MS_BUSMOUSE_MINOR 2
+#define ATIXL_BUSMOUSE_MINOR 3
+/*#define AMIGAMOUSE_MINOR 4 FIXME OBSOLETE */
+#define ATARIMOUSE_MINOR 5
+#define SUN_MOUSE_MINOR 6
+#define APOLLO_MOUSE_MINOR 7
+#define PC110PAD_MINOR 9
+/*#define ADB_MOUSE_MINOR 10 FIXME OBSOLETE */
#define WATCHDOG_MINOR 130 /* Watchdog timer */
#define TEMP_MINOR 131 /* Temperature Sensor */
-#define RTC_MINOR 135
+#define RTC_MINOR 135
#define EFI_RTC_MINOR 136 /* EFI Time services */
-#define SUN_OPENPROM_MINOR 139
+#define SUN_OPENPROM_MINOR 139
#define DMAPI_MINOR 140 /* DMAPI */
-#define NVRAM_MINOR 144
-#define SGI_MMTIMER 153
+#define NVRAM_MINOR 144
+#define SGI_MMTIMER 153
#define STORE_QUEUE_MINOR 155
-#define I2O_MINOR 166
+#define I2O_MINOR 166
#define MICROCODE_MINOR 184
-#define MWAVE_MINOR 219 /* ACP/Mwave Modem */
-#define MPT_MINOR 220
-#define MISC_DYNAMIC_MINOR 255
-
-#define TUN_MINOR 200
-#define HPET_MINOR 228
-#define KVM_MINOR 232
+#define TUN_MINOR 200
+#define MWAVE_MINOR 219 /* ACP/Mwave Modem */
+#define MPT_MINOR 220
+#define HPET_MINOR 228
+#define FUSE_MINOR 229
+#define KVM_MINOR 232
+#define MISC_DYNAMIC_MINOR 255
struct device;