The branch main has been updated by asomers:
URL:
https://cgit.FreeBSD.org/src/commit/?id=48d92db0804b0e70e0d8dca5e1c8a99eaf70cc3c
commit 48d92db0804b0e70e0d8dca5e1c8a99eaf70cc3c
Author: Claudiu I. Palincas <msco...@protonmail.ch>
AuthorDate: 2024-12-11 23:17:54 +0000
Commit: Alan Somers <asom...@freebsd.org>
CommitDate: 2024-12-12 01:30:33 +0000
fusefs: Upgrade FUSE protocol to version 7.32.
This commit upgrades the FUSE API to protocol 7.32.
It doesn't implement any of protocol 7.32's new features.
Reviewed by: asomers
Differential Revision: https://reviews.freebsd.org/D48040
---
sys/fs/fuse/fuse_kernel.h | 81 +++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 78 insertions(+), 3 deletions(-)
diff --git a/sys/fs/fuse/fuse_kernel.h b/sys/fs/fuse/fuse_kernel.h
index ad93a26adaab..14d5508ba3fa 100644
--- a/sys/fs/fuse/fuse_kernel.h
+++ b/sys/fs/fuse/fuse_kernel.h
@@ -161,6 +161,21 @@
* - add FOPEN_CACHE_DIR
* - add FUSE_MAX_PAGES, add max_pages to init_out
* - add FUSE_CACHE_SYMLINKS
+ *
+ * 7.29
+ * - add FUSE_NO_OPENDIR_SUPPORT flag
+ *
+ * 7.30
+ * - add FUSE_EXPLICIT_INVAL_DATA
+ * - add FUSE_IOCTL_COMPAT_X32
+ *
+ * 7.31
+ * - add FUSE_WRITE_KILL_PRIV flag
+ * - add FUSE_SETUPMAPPING and FUSE_REMOVEMAPPING
+ * - add map_alignment to fuse_init_out, add FUSE_MAP_ALIGNMENT flag
+ *
+ * 7.32
+ * - add flags to fuse_attr, add FUSE_ATTR_SUBMOUNT, add FUSE_SUBMOUNTS
*/
#ifndef _FUSE_FUSE_KERNEL_H
@@ -196,7 +211,7 @@
#define FUSE_KERNEL_VERSION 7
/** Minor version number of this interface */
-#define FUSE_KERNEL_MINOR_VERSION 29
+#define FUSE_KERNEL_MINOR_VERSION 32
/** The node ID of the root inode */
#define FUSE_ROOT_ID 1
@@ -220,7 +235,7 @@ struct fuse_attr {
uint32_t gid;
uint32_t rdev;
uint32_t blksize;
- uint32_t padding;
+ uint32_t flags;
};
struct fuse_kstatfs {
@@ -265,11 +280,13 @@ struct fuse_file_lock {
* FOPEN_KEEP_CACHE: don't invalidate the data cache on open
* FOPEN_NONSEEKABLE: the file is not seekable
* FOPEN_CACHE_DIR: allow caching this directory
+ * FOPEN_STREAM: the file is stream-like (no file position at all)
*/
#define FOPEN_DIRECT_IO (1 << 0)
#define FOPEN_KEEP_CACHE (1 << 1)
#define FOPEN_NONSEEKABLE (1 << 2)
#define FOPEN_CACHE_DIR (1 << 3)
+#define FOPEN_STREAM (1 << 4)
/**
* INIT request/reply flags
@@ -299,6 +316,11 @@ struct fuse_file_lock {
* FUSE_MAX_PAGES: init_out.max_pages contains the max number of req pages
* FUSE_CACHE_SYMLINKS: cache READLINK responses
* FUSE_NO_OPENDIR_SUPPORT: kernel supports zero-message opendir
+ * FUSE_EXPLICIT_INVAL_DATA: only invalidate cached pages on explicit request
+ * FUSE_MAP_ALIGNMENT: init_out.map_alignment contains log2(byte alignment) for
+ * foffset and moffset fields in struct
+ * fuse_setupmapping_out and fuse_removemapping_one.
+ * FUSE_SUBMOUNTS: kernel supports auto-mounting directory submounts
*/
#define FUSE_ASYNC_READ (1 << 0)
#define FUSE_POSIX_LOCKS (1 << 1)
@@ -325,6 +347,9 @@ struct fuse_file_lock {
#define FUSE_MAX_PAGES (1 << 22)
#define FUSE_CACHE_SYMLINKS (1 << 23)
#define FUSE_NO_OPENDIR_SUPPORT (1 << 24)
+#define FUSE_EXPLICIT_INVAL_DATA (1 << 25)
+#define FUSE_MAP_ALIGNMENT (1 << 26)
+#define FUSE_SUBMOUNTS (1 << 27)
#ifdef linux
/**
@@ -356,9 +381,11 @@ struct fuse_file_lock {
*
* FUSE_WRITE_CACHE: delayed write from page cache, file handle is guessed
* FUSE_WRITE_LOCKOWNER: lock_owner field is valid
+ * FUSE_WRITE_KILL_PRIV: kill suid and sgid bits
*/
#define FUSE_WRITE_CACHE (1 << 0)
#define FUSE_WRITE_LOCKOWNER (1 << 1)
+#define FUSE_WRITE_KILL_PRIV (1 << 2)
/**
* Read flags
@@ -373,6 +400,7 @@ struct fuse_file_lock {
* FUSE_IOCTL_RETRY: retry with new iovecs
* FUSE_IOCTL_32BIT: 32bit ioctl
* FUSE_IOCTL_DIR: is a directory
+ * FUSE_IOCTL_COMPAT_X32: x32 compat ioctl on 64bit machine (64bit time_t)
*
* FUSE_IOCTL_MAX_IOV: maximum of in_iovecs + out_iovecs
*/
@@ -381,6 +409,7 @@ struct fuse_file_lock {
#define FUSE_IOCTL_RETRY (1 << 2)
#define FUSE_IOCTL_32BIT (1 << 3)
#define FUSE_IOCTL_DIR (1 << 4)
+#define FUSE_IOCTL_COMPAT_X32 (1 << 5)
#define FUSE_IOCTL_MAX_IOV 256
@@ -404,6 +433,13 @@ struct fuse_file_lock {
#define FUSE_FALLOC_FL_KEEP_SIZE 0x1
#define FUSE_FALLOC_FL_PUNCH_HOLE 0x2
+/**
+ * fuse_attr flags
+ *
+ * FUSE_ATTR_SUBMOUNT: Object is a submount root
+ */
+#define FUSE_ATTR_SUBMOUNT (1 << 0)
+
enum fuse_opcode {
FUSE_LOOKUP = 1,
FUSE_FORGET = 2, /* no reply */
@@ -450,10 +486,15 @@ enum fuse_opcode {
FUSE_RENAME2 = 45,
FUSE_LSEEK = 46,
FUSE_COPY_FILE_RANGE = 47,
+ FUSE_SETUPMAPPING = 48,
+ FUSE_REMOVEMAPPING = 49,
#ifdef linux
/* CUSE specific operations */
CUSE_INIT = 4096,
+ /* Reserved opcodes: helpful to detect structure endian-ness */
+ CUSE_INIT_BSWAP_RESERVED = 1048576, /* CUSE_INIT << 8 */
+ FUSE_INIT_BSWAP_RESERVED = 436207616, /* FUSE_INIT << 24 */
#endif /* linux */
};
@@ -692,7 +733,7 @@ struct fuse_init_out {
uint32_t max_write;
uint32_t time_gran;
uint16_t max_pages;
- uint16_t padding;
+ uint16_t map_alignment;
uint32_t unused[8];
};
@@ -863,6 +904,9 @@ struct fuse_notify_retrieve_in {
uint64_t dummy4;
};
+/* Device ioctls: */
+#define FUSE_DEV_IOC_CLONE _IOR(229, 0, uint32_t)
+
struct fuse_lseek_in {
uint64_t fh;
uint64_t offset;
@@ -884,4 +928,35 @@ struct fuse_copy_file_range_in {
uint64_t flags;
};
+
+#define FUSE_SETUPMAPPING_FLAG_WRITE (1ull << 0)
+#define FUSE_SETUPMAPPING_FLAG_READ (1ull << 1)
+struct fuse_setupmapping_in {
+ /* An already open handle */
+ uint64_t fh;
+ /* Offset into the file to start the mapping */
+ uint64_t foffset;
+ /* Length of mapping required */
+ uint64_t len;
+ /* Flags, FUSE_SETUPMAPPING_FLAG_* */
+ uint64_t flags;
+ /* Offset in Memory Window */
+ uint64_t moffset;
+};
+
+struct fuse_removemapping_in {
+ /* number of fuse_removemapping_one follows */
+ uint32_t count;
+};
+
+struct fuse_removemapping_one {
+ /* Offset into the dax window start the unmapping */
+ uint64_t moffset;
+ /* Length of mapping required */
+ uint64_t len;
+};
+
+#define FUSE_REMOVEMAPPING_MAX_ENTRY \
+ (PAGE_SIZE / sizeof(struct fuse_removemapping_one))
+
#endif /* _FUSE_FUSE_KERNEL_H */
