Raise the FUSE API minor version to 33 and add all
MUSE specific operations and data structures.

MUSE_INIT: Initialize a new connection and install the MTD
MUSE_ERASE: Erase a block
MUSE_READ: Read a page
MUSE_WRITE: Write a page
MUSE_MARKBAD: Mark a block as bad
MUSE_ISBAD: Check whether a block is bad
MUSE_SYNC: Flush all cached data

Signed-off-by: Richard Weinberger <[email protected]>
---
 include/uapi/linux/fuse.h | 73 ++++++++++++++++++++++++++++++++++++++-
 1 file changed, 72 insertions(+), 1 deletion(-)

diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h
index 7233502ea991..2f7cbe5ce434 100644
--- a/include/uapi/linux/fuse.h
+++ b/include/uapi/linux/fuse.h
@@ -175,6 +175,10 @@
  *
  *  7.32
  *  - add flags to fuse_attr, add FUSE_ATTR_SUBMOUNT, add FUSE_SUBMOUNTS
+ *
+ *  7.33
+ *  - add support for MUSE: MUSE_INIT, MUSE_ERASE, MUSE_READ, MUSE_WRITE,
+ *    MUSE_MARKBAD, MUSE_ISBAD and MUSE_SYNC
  */
 
 #ifndef _LINUX_FUSE_H
@@ -210,7 +214,7 @@
 #define FUSE_KERNEL_VERSION 7
 
 /** Minor version number of this interface */
-#define FUSE_KERNEL_MINOR_VERSION 32
+#define FUSE_KERNEL_MINOR_VERSION 33
 
 /** The node ID of the root inode */
 #define FUSE_ROOT_ID 1
@@ -483,6 +487,15 @@ enum fuse_opcode {
        /* CUSE specific operations */
        CUSE_INIT               = 4096,
 
+       /* MUSE specific operations */
+       MUSE_INIT               = 8192,
+       MUSE_ERASE              = 8193,
+       MUSE_READ               = 8194,
+       MUSE_WRITE              = 8195,
+       MUSE_MARKBAD            = 8196,
+       MUSE_ISBAD              = 8197,
+       MUSE_SYNC               = 8198,
+
        /* Reserved opcodes: helpful to detect structure endian-ness */
        CUSE_INIT_BSWAP_RESERVED        = 1048576,      /* CUSE_INIT << 8 */
        FUSE_INIT_BSWAP_RESERVED        = 436207616,    /* FUSE_INIT << 24 */
@@ -936,4 +949,62 @@ struct fuse_removemapping_one {
 #define FUSE_REMOVEMAPPING_MAX_ENTRY   \
                (PAGE_SIZE / sizeof(struct fuse_removemapping_one))
 
+#define MUSE_INIT_INFO_MAX 4096
+
+struct muse_init_in {
+       uint32_t        fuse_major;
+       uint32_t        fuse_minor;
+};
+
+struct muse_init_out {
+       uint32_t        fuse_major;
+       uint32_t        fuse_minor;
+       uint32_t        max_read;
+       uint32_t        max_write;
+};
+
+struct muse_erase_in {
+       uint64_t        addr;
+       uint64_t        len;
+};
+
+struct muse_read_in {
+       uint64_t        dataaddr;
+       uint64_t        datalen;
+       uint32_t        flags;
+       uint32_t        padding;
+};
+
+struct muse_read_out {
+       uint64_t        datalen;
+       uint32_t        soft_error;
+       uint32_t        padding;
+};
+
+struct muse_write_in {
+       uint64_t        dataaddr;
+       uint64_t        datalen;
+       uint32_t        flags;
+       uint32_t        padding;
+};
+
+struct muse_write_out {
+       uint64_t        datalen;
+       uint32_t        soft_error;
+       uint32_t        padding;
+};
+
+struct muse_markbad_in {
+       uint64_t        addr;
+};
+
+struct muse_isbad_in {
+       uint64_t        addr;
+};
+
+struct muse_isbad_out {
+       uint32_t        result;
+       uint32_t        padding;
+};
+
 #endif /* _LINUX_FUSE_H */
-- 
2.26.2

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