Merge branch 'lukeshu/9p-fixes'

2 files changed, 1673 insertions, 0 deletions

diff --git a/lib9p/core_include/lib9p/_core_generated.h b/lib9p/core_include/lib9p/_core_generated.h
new file mode 100644
index 0000000..68eb636
--- /dev/null
+++ b/lib9p/core_include/lib9p/_core_generated.h
@@ -0,0 +1,1468 @@
+/* Generated by `lib9p/core.gen lib9p/idl/2002-9P2000.9p lib9p/idl/2003-9P2000.p9p.9p lib9p/idl/2005-9P2000.u.9p lib9p/idl/2010-9P2000.L.9p lib9p/idl/2012-9P2000.e.9p`.  DO NOT EDIT!  */
+
+#ifndef _LIB9P_CORE_H_
+	#error Do not include <lib9p/_core_generated.h> directly; include <lib9p/core.h> instead
+#endif
+
+#include <stdint.h> /* for uint{n}_t types */
+
+#include <libfmt/fmt.h> /* for fmt_formatter */
+#include <libhw/generic/io.h> /* for struct iovec */
+
+/* config *********************************************************************/
+
+#include "config.h"
+
+#ifndef CONFIG_9P_ENABLE_9P2000
+	#error config.h must define CONFIG_9P_ENABLE_9P2000
+#endif
+
+#ifndef CONFIG_9P_ENABLE_9P2000_L
+	#error config.h must define CONFIG_9P_ENABLE_9P2000_L
+#endif
+
+#ifndef CONFIG_9P_ENABLE_9P2000_e
+	#error config.h must define CONFIG_9P_ENABLE_9P2000_e
+#else
+	#if CONFIG_9P_ENABLE_9P2000_e
+		#ifndef CONFIG_9P_MAX_9P2000_e_WELEM
+			#error if CONFIG_9P_ENABLE_9P2000_e then config.h must define CONFIG_9P_MAX_9P2000_e_WELEM
+		#endif
+		static_assert(CONFIG_9P_MAX_9P2000_e_WELEM > 0);
+	#endif
+#endif
+
+#ifndef CONFIG_9P_ENABLE_9P2000_p9p
+	#error config.h must define CONFIG_9P_ENABLE_9P2000_p9p
+#endif
+
+#ifndef CONFIG_9P_ENABLE_9P2000_u
+	#error config.h must define CONFIG_9P_ENABLE_9P2000_u
+#endif
+
+/* enum version ***************************************************************/
+
+enum lib9p_version {
+	LIB9P_VER_unknown = 0, /* "unknown" */
+#if CONFIG_9P_ENABLE_9P2000
+	LIB9P_VER_9P2000,      /* "9P2000" */
+#endif /* CONFIG_9P_ENABLE_9P2000 */
+#if CONFIG_9P_ENABLE_9P2000_L
+	LIB9P_VER_9P2000_L,    /* "9P2000.L" */
+#endif /* CONFIG_9P_ENABLE_9P2000_L */
+#if CONFIG_9P_ENABLE_9P2000_e
+	LIB9P_VER_9P2000_e,    /* "9P2000.e" */
+#endif /* CONFIG_9P_ENABLE_9P2000_e */
+#if CONFIG_9P_ENABLE_9P2000_p9p
+	LIB9P_VER_9P2000_p9p,  /* "9P2000.p9p" */
+#endif /* CONFIG_9P_ENABLE_9P2000_p9p */
+#if CONFIG_9P_ENABLE_9P2000_u
+	LIB9P_VER_9P2000_u,    /* "9P2000.u" */
+#endif /* CONFIG_9P_ENABLE_9P2000_u */
+	LIB9P_VER_NUM,
+};
+LO_IMPLEMENTATION_H(fmt_formatter, enum lib9p_version, lib9p_version);
+
+/* enum msg_type **************************************************************/
+
+enum lib9p_msg_type { /* uint8_t */
+#if CONFIG_9P_ENABLE_9P2000_L
+	LIB9P_TYP_Rlerror      = 7,
+	LIB9P_TYP_Tstatfs      = 8,
+	LIB9P_TYP_Rstatfs      = 9,
+	LIB9P_TYP_Tlopen       = 12,
+	LIB9P_TYP_Rlopen       = 13,
+	LIB9P_TYP_Tlcreate     = 14,
+	LIB9P_TYP_Rlcreate     = 15,
+	LIB9P_TYP_Tsymlink     = 16,
+	LIB9P_TYP_Rsymlink     = 17,
+	LIB9P_TYP_Tmknod       = 18,
+	LIB9P_TYP_Rmknod       = 19,
+	LIB9P_TYP_Trename      = 20,
+	LIB9P_TYP_Rrename      = 21,
+	LIB9P_TYP_Treadlink    = 22,
+	LIB9P_TYP_Rreadlink    = 23,
+	LIB9P_TYP_Tgetattr     = 24,
+	LIB9P_TYP_Rgetattr     = 25,
+	LIB9P_TYP_Tsetattr     = 26,
+	LIB9P_TYP_Rsetattr     = 27,
+	LIB9P_TYP_Txattrwalk   = 30,
+	LIB9P_TYP_Rxattrwalk   = 31,
+	LIB9P_TYP_Txattrcreate = 32,
+	LIB9P_TYP_Rxattrcreate = 33,
+	LIB9P_TYP_Treaddir     = 40,
+	LIB9P_TYP_Rreaddir     = 41,
+	LIB9P_TYP_Tfsync       = 50,
+	LIB9P_TYP_Rfsync       = 51,
+	LIB9P_TYP_Tlock        = 52,
+	LIB9P_TYP_Rlock        = 53,
+	LIB9P_TYP_Tgetlock     = 54,
+	LIB9P_TYP_Rgetlock     = 55,
+	LIB9P_TYP_Tlink        = 70,
+	LIB9P_TYP_Rlink        = 71,
+	LIB9P_TYP_Tmkdir       = 72,
+	LIB9P_TYP_Rmkdir       = 73,
+	LIB9P_TYP_Trenameat    = 74,
+	LIB9P_TYP_Rrenameat    = 75,
+	LIB9P_TYP_Tunlinkat    = 76,
+	LIB9P_TYP_Runlinkat    = 77,
+#endif /* CONFIG_9P_ENABLE_9P2000_L */
+#if CONFIG_9P_ENABLE_9P2000_p9p
+	LIB9P_TYP_Topenfd      = 98,
+	LIB9P_TYP_Ropenfd      = 99,
+#endif /* CONFIG_9P_ENABLE_9P2000_p9p */
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+	LIB9P_TYP_Tversion     = 100,
+	LIB9P_TYP_Rversion     = 101,
+	LIB9P_TYP_Tauth        = 102,
+	LIB9P_TYP_Rauth        = 103,
+	LIB9P_TYP_Tattach      = 104,
+	LIB9P_TYP_Rattach      = 105,
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+	LIB9P_TYP_Rerror       = 107,
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+	LIB9P_TYP_Tflush       = 108,
+	LIB9P_TYP_Rflush       = 109,
+	LIB9P_TYP_Twalk        = 110,
+	LIB9P_TYP_Rwalk        = 111,
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+	LIB9P_TYP_Topen        = 112,
+	LIB9P_TYP_Ropen        = 113,
+	LIB9P_TYP_Tcreate      = 114,
+	LIB9P_TYP_Rcreate      = 115,
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+	LIB9P_TYP_Tread        = 116,
+	LIB9P_TYP_Rread        = 117,
+	LIB9P_TYP_Twrite       = 118,
+	LIB9P_TYP_Rwrite       = 119,
+	LIB9P_TYP_Tclunk       = 120,
+	LIB9P_TYP_Rclunk       = 121,
+	LIB9P_TYP_Tremove      = 122,
+	LIB9P_TYP_Rremove      = 123,
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+	LIB9P_TYP_Tstat        = 124,
+	LIB9P_TYP_Rstat        = 125,
+	LIB9P_TYP_Twstat       = 126,
+	LIB9P_TYP_Rwstat       = 127,
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000_e
+	LIB9P_TYP_Tsession     = 150,
+	LIB9P_TYP_Rsession     = 151,
+	LIB9P_TYP_Tsread       = 152,
+	LIB9P_TYP_Rsread       = 153,
+	LIB9P_TYP_Tswrite      = 154,
+	LIB9P_TYP_Rswrite      = 155,
+#endif /* CONFIG_9P_ENABLE_9P2000_e */
+};
+LO_IMPLEMENTATION_H(fmt_formatter, enum lib9p_msg_type, lib9p_msg_type);
+
+/* payload types **************************************************************/
+
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+/* size = 2 ; max_iov = 1 ; max_copy = 2 */
+typedef uint16_t lib9p_tag_t;
+LO_IMPLEMENTATION_H(fmt_formatter, lib9p_tag_t, lib9p_tag);
+#define LIB9P_TAG_NOTAG ((lib9p_tag_t)(UINT16_MAX))
+
+/* size = 4 ; max_iov = 1 ; max_copy = 4 */
+typedef uint32_t lib9p_fid_t;
+LO_IMPLEMENTATION_H(fmt_formatter, lib9p_fid_t, lib9p_fid);
+#define LIB9P_FID_NOFID ((lib9p_fid_t)(UINT32_MAX))
+
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+/* size = 4 ; max_iov = 1 ; max_copy = 4 */
+typedef uint32_t lib9p_dm_t;
+LO_IMPLEMENTATION_H(fmt_formatter, lib9p_dm_t, lib9p_dm);
+/* bits */
+#define   LIB9P_DM_DIR           ((lib9p_dm_t)(UINT32_C(1)<<31))
+#define   LIB9P_DM_APPEND        ((lib9p_dm_t)(UINT32_C(1)<<30))
+#define   LIB9P_DM_EXCL          ((lib9p_dm_t)(UINT32_C(1)<<29))
+#define   _LIB9P_DM_PLAN9_MOUNT  ((lib9p_dm_t)(UINT32_C(1)<<28))
+#define   LIB9P_DM_AUTH          ((lib9p_dm_t)(UINT32_C(1)<<27))
+#define   LIB9P_DM_TMP           ((lib9p_dm_t)(UINT32_C(1)<<26))
+#define   _LIB9P_DM_UNUSED_25    ((lib9p_dm_t)(UINT32_C(1)<<25))
+#define   _LIB9P_DM_UNUSED_24    ((lib9p_dm_t)(UINT32_C(1)<<24))
+#if CONFIG_9P_ENABLE_9P2000_u
+#  define LIB9P_DM_DEVICE        ((lib9p_dm_t)(UINT32_C(1)<<23))
+#endif /* CONFIG_9P_ENABLE_9P2000_u */
+#define   _LIB9P_DM_UNUSED_22    ((lib9p_dm_t)(UINT32_C(1)<<22))
+#if CONFIG_9P_ENABLE_9P2000_u
+#  define LIB9P_DM_PIPE          ((lib9p_dm_t)(UINT32_C(1)<<21))
+#  define LIB9P_DM_SOCKET        ((lib9p_dm_t)(UINT32_C(1)<<20))
+#  define LIB9P_DM_SETUID        ((lib9p_dm_t)(UINT32_C(1)<<19))
+#  define LIB9P_DM_SETGID        ((lib9p_dm_t)(UINT32_C(1)<<18))
+#endif /* CONFIG_9P_ENABLE_9P2000_u */
+#define   _LIB9P_DM_UNUSED_17    ((lib9p_dm_t)(UINT32_C(1)<<17))
+#define   _LIB9P_DM_UNUSED_16    ((lib9p_dm_t)(UINT32_C(1)<<16))
+#define   _LIB9P_DM_UNUSED_15    ((lib9p_dm_t)(UINT32_C(1)<<15))
+#define   _LIB9P_DM_UNUSED_14    ((lib9p_dm_t)(UINT32_C(1)<<14))
+#define   _LIB9P_DM_UNUSED_13    ((lib9p_dm_t)(UINT32_C(1)<<13))
+#define   _LIB9P_DM_UNUSED_12    ((lib9p_dm_t)(UINT32_C(1)<<12))
+#define   _LIB9P_DM_UNUSED_11    ((lib9p_dm_t)(UINT32_C(1)<<11))
+#define   _LIB9P_DM_UNUSED_10    ((lib9p_dm_t)(UINT32_C(1)<<10))
+#define   _LIB9P_DM_UNUSED_9     ((lib9p_dm_t)(UINT32_C(1)<<9))
+#define   LIB9P_DM_OWNER_R       ((lib9p_dm_t)(UINT32_C(1)<<8))
+#define   LIB9P_DM_OWNER_W       ((lib9p_dm_t)(UINT32_C(1)<<7))
+#define   LIB9P_DM_OWNER_X       ((lib9p_dm_t)(UINT32_C(1)<<6))
+#define   LIB9P_DM_GROUP_R       ((lib9p_dm_t)(UINT32_C(1)<<5))
+#define   LIB9P_DM_GROUP_W       ((lib9p_dm_t)(UINT32_C(1)<<4))
+#define   LIB9P_DM_GROUP_X       ((lib9p_dm_t)(UINT32_C(1)<<3))
+#define   LIB9P_DM_OTHER_R       ((lib9p_dm_t)(UINT32_C(1)<<2))
+#define   LIB9P_DM_OTHER_W       ((lib9p_dm_t)(UINT32_C(1)<<1))
+#define   LIB9P_DM_OTHER_X       ((lib9p_dm_t)(UINT32_C(1)<<0))
+/* masks */
+#define   LIB9P_DM_PERM_MASK     ((lib9p_dm_t)(0b000000000000000000000111111111))
+
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+/* size = 1 ; max_iov = 1 ; max_copy = 1 */
+typedef uint8_t lib9p_qt_t;
+LO_IMPLEMENTATION_H(fmt_formatter, lib9p_qt_t, lib9p_qt);
+/* bits */
+#define   LIB9P_QT_DIR           ((lib9p_qt_t)(UINT8_C(1)<<7))
+#define   LIB9P_QT_APPEND        ((lib9p_qt_t)(UINT8_C(1)<<6))
+#define   LIB9P_QT_EXCL          ((lib9p_qt_t)(UINT8_C(1)<<5))
+#define   _LIB9P_QT_PLAN9_MOUNT  ((lib9p_qt_t)(UINT8_C(1)<<4))
+#define   LIB9P_QT_AUTH          ((lib9p_qt_t)(UINT8_C(1)<<3))
+#define   LIB9P_QT_TMP           ((lib9p_qt_t)(UINT8_C(1)<<2))
+#if CONFIG_9P_ENABLE_9P2000_u
+#  define LIB9P_QT_SYMLINK       ((lib9p_qt_t)(UINT8_C(1)<<1))
+#endif /* CONFIG_9P_ENABLE_9P2000_u */
+#define   _LIB9P_QT_UNUSED_0     ((lib9p_qt_t)(UINT8_C(1)<<0))
+/* aliases */
+#define   LIB9P_QT_FILE          ((lib9p_qt_t)(0))
+
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+/* size = 1 ; max_iov = 1 ; max_copy = 1 */
+typedef uint8_t lib9p_o_t;
+LO_IMPLEMENTATION_H(fmt_formatter, lib9p_o_t, lib9p_o);
+/* bits */
+#define   _LIB9P_O_UNUSED_7        ((lib9p_o_t)(UINT8_C(1)<<7))
+#define   LIB9P_O_RCLOSE           ((lib9p_o_t)(UINT8_C(1)<<6))
+#define   _LIB9P_O_RESERVED_CEXEC  ((lib9p_o_t)(UINT8_C(1)<<5))
+#define   LIB9P_O_TRUNC            ((lib9p_o_t)(UINT8_C(1)<<4))
+#define   _LIB9P_O_UNUSED_3        ((lib9p_o_t)(UINT8_C(1)<<3))
+#define   _LIB9P_O_UNUSED_2        ((lib9p_o_t)(UINT8_C(1)<<2))
+/* number LIB9P_O_MODE_*           ((lib9p_o_t)(UINT8_C(1)<<1)) */
+/* number LIB9P_O_MODE_*           ((lib9p_o_t)(UINT8_C(1)<<0)) */
+/* masks */
+#define   LIB9P_O_FLAG_MASK        ((lib9p_o_t)(0b11111100))
+/* number: MODE */
+#define   LIB9P_O_MODE_READ   ((lib9p_o_t)(0))
+#define   LIB9P_O_MODE_WRITE  ((lib9p_o_t)(1))
+#define   LIB9P_O_MODE_RDWR   ((lib9p_o_t)(2))
+#define   LIB9P_O_MODE_EXEC   ((lib9p_o_t)(3))
+#define   LIB9P_O_MODE_MASK   ((lib9p_o_t)(0b000011))
+
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_u
+/* size = 4 ; max_iov = 1 ; max_copy = 4 */
+typedef uint32_t lib9p_nuid_t;
+LO_IMPLEMENTATION_H(fmt_formatter, lib9p_nuid_t, lib9p_nuid);
+#define LIB9P_NUID_NONUID ((lib9p_nuid_t)(UINT32_MAX))
+
+/* size = 4 ; max_iov = 1 ; max_copy = 4 */
+typedef uint32_t lib9p_errno_t;
+LO_IMPLEMENTATION_H(fmt_formatter, lib9p_errno_t, lib9p_errno);
+#define LIB9P_ERRNO_NOERROR           ((lib9p_errno_t)(0))
+#define LIB9P_ERRNO_L_EPERM           ((lib9p_errno_t)(1))
+#define LIB9P_ERRNO_L_ENOENT          ((lib9p_errno_t)(2))
+#define LIB9P_ERRNO_L_ESRCH           ((lib9p_errno_t)(3))
+#define LIB9P_ERRNO_L_EINTR           ((lib9p_errno_t)(4))
+#define LIB9P_ERRNO_L_EIO             ((lib9p_errno_t)(5))
+#define LIB9P_ERRNO_L_ENXIO           ((lib9p_errno_t)(6))
+#define LIB9P_ERRNO_L_E2BIG           ((lib9p_errno_t)(7))
+#define LIB9P_ERRNO_L_ENOEXEC         ((lib9p_errno_t)(8))
+#define LIB9P_ERRNO_L_EBADF           ((lib9p_errno_t)(9))
+#define LIB9P_ERRNO_L_ECHILD          ((lib9p_errno_t)(10))
+#define LIB9P_ERRNO_L_EAGAIN          ((lib9p_errno_t)(11))
+#define LIB9P_ERRNO_L_ENOMEM          ((lib9p_errno_t)(12))
+#define LIB9P_ERRNO_L_EACCES          ((lib9p_errno_t)(13))
+#define LIB9P_ERRNO_L_EFAULT          ((lib9p_errno_t)(14))
+#define LIB9P_ERRNO_L_ENOTBLK         ((lib9p_errno_t)(15))
+#define LIB9P_ERRNO_L_EBUSY           ((lib9p_errno_t)(16))
+#define LIB9P_ERRNO_L_EEXIST          ((lib9p_errno_t)(17))
+#define LIB9P_ERRNO_L_EXDEV           ((lib9p_errno_t)(18))
+#define LIB9P_ERRNO_L_ENODEV          ((lib9p_errno_t)(19))
+#define LIB9P_ERRNO_L_ENOTDIR         ((lib9p_errno_t)(20))
+#define LIB9P_ERRNO_L_EISDIR          ((lib9p_errno_t)(21))
+#define LIB9P_ERRNO_L_EINVAL          ((lib9p_errno_t)(22))
+#define LIB9P_ERRNO_L_ENFILE          ((lib9p_errno_t)(23))
+#define LIB9P_ERRNO_L_EMFILE          ((lib9p_errno_t)(24))
+#define LIB9P_ERRNO_L_ENOTTY          ((lib9p_errno_t)(25))
+#define LIB9P_ERRNO_L_ETXTBSY         ((lib9p_errno_t)(26))
+#define LIB9P_ERRNO_L_EFBIG           ((lib9p_errno_t)(27))
+#define LIB9P_ERRNO_L_ENOSPC          ((lib9p_errno_t)(28))
+#define LIB9P_ERRNO_L_ESPIPE          ((lib9p_errno_t)(29))
+#define LIB9P_ERRNO_L_EROFS           ((lib9p_errno_t)(30))
+#define LIB9P_ERRNO_L_EMLINK          ((lib9p_errno_t)(31))
+#define LIB9P_ERRNO_L_EPIPE           ((lib9p_errno_t)(32))
+#define LIB9P_ERRNO_L_EDOM            ((lib9p_errno_t)(33))
+#define LIB9P_ERRNO_L_ERANGE          ((lib9p_errno_t)(34))
+#define LIB9P_ERRNO_L_EDEADLK         ((lib9p_errno_t)(35))
+#define LIB9P_ERRNO_L_ENAMETOOLONG    ((lib9p_errno_t)(36))
+#define LIB9P_ERRNO_L_ENOLCK          ((lib9p_errno_t)(37))
+#define LIB9P_ERRNO_L_ENOSYS          ((lib9p_errno_t)(38))
+#define LIB9P_ERRNO_L_ENOTEMPTY       ((lib9p_errno_t)(39))
+#define LIB9P_ERRNO_L_ELOOP           ((lib9p_errno_t)(40))
+#define LIB9P_ERRNO_L_ENOMSG          ((lib9p_errno_t)(42))
+#define LIB9P_ERRNO_L_EIDRM           ((lib9p_errno_t)(43))
+#define LIB9P_ERRNO_L_ECHRNG          ((lib9p_errno_t)(44))
+#define LIB9P_ERRNO_L_EL2NSYNC        ((lib9p_errno_t)(45))
+#define LIB9P_ERRNO_L_EL3HLT          ((lib9p_errno_t)(46))
+#define LIB9P_ERRNO_L_EL3RST          ((lib9p_errno_t)(47))
+#define LIB9P_ERRNO_L_ELNRNG          ((lib9p_errno_t)(48))
+#define LIB9P_ERRNO_L_EUNATCH         ((lib9p_errno_t)(49))
+#define LIB9P_ERRNO_L_ENOCSI          ((lib9p_errno_t)(50))
+#define LIB9P_ERRNO_L_EL2HLT          ((lib9p_errno_t)(51))
+#define LIB9P_ERRNO_L_EBADE           ((lib9p_errno_t)(52))
+#define LIB9P_ERRNO_L_EBADR           ((lib9p_errno_t)(53))
+#define LIB9P_ERRNO_L_EXFULL          ((lib9p_errno_t)(54))
+#define LIB9P_ERRNO_L_ENOANO          ((lib9p_errno_t)(55))
+#define LIB9P_ERRNO_L_EBADRQC         ((lib9p_errno_t)(56))
+#define LIB9P_ERRNO_L_EBADSLT         ((lib9p_errno_t)(57))
+#define LIB9P_ERRNO_L_EBFONT          ((lib9p_errno_t)(59))
+#define LIB9P_ERRNO_L_ENOSTR          ((lib9p_errno_t)(60))
+#define LIB9P_ERRNO_L_ENODATA         ((lib9p_errno_t)(61))
+#define LIB9P_ERRNO_L_ETIME           ((lib9p_errno_t)(62))
+#define LIB9P_ERRNO_L_ENOSR           ((lib9p_errno_t)(63))
+#define LIB9P_ERRNO_L_ENONET          ((lib9p_errno_t)(64))
+#define LIB9P_ERRNO_L_ENOPKG          ((lib9p_errno_t)(65))
+#define LIB9P_ERRNO_L_EREMOTE         ((lib9p_errno_t)(66))
+#define LIB9P_ERRNO_L_ENOLINK         ((lib9p_errno_t)(67))
+#define LIB9P_ERRNO_L_EADV            ((lib9p_errno_t)(68))
+#define LIB9P_ERRNO_L_ESRMNT          ((lib9p_errno_t)(69))
+#define LIB9P_ERRNO_L_ECOMM           ((lib9p_errno_t)(70))
+#define LIB9P_ERRNO_L_EPROTO          ((lib9p_errno_t)(71))
+#define LIB9P_ERRNO_L_EMULTIHOP       ((lib9p_errno_t)(72))
+#define LIB9P_ERRNO_L_EDOTDOT         ((lib9p_errno_t)(73))
+#define LIB9P_ERRNO_L_EBADMSG         ((lib9p_errno_t)(74))
+#define LIB9P_ERRNO_L_EOVERFLOW       ((lib9p_errno_t)(75))
+#define LIB9P_ERRNO_L_ENOTUNIQ        ((lib9p_errno_t)(76))
+#define LIB9P_ERRNO_L_EBADFD          ((lib9p_errno_t)(77))
+#define LIB9P_ERRNO_L_EREMCHG         ((lib9p_errno_t)(78))
+#define LIB9P_ERRNO_L_ELIBACC         ((lib9p_errno_t)(79))
+#define LIB9P_ERRNO_L_ELIBBAD         ((lib9p_errno_t)(80))
+#define LIB9P_ERRNO_L_ELIBSCN         ((lib9p_errno_t)(81))
+#define LIB9P_ERRNO_L_ELIBMAX         ((lib9p_errno_t)(82))
+#define LIB9P_ERRNO_L_ELIBEXEC        ((lib9p_errno_t)(83))
+#define LIB9P_ERRNO_L_EILSEQ          ((lib9p_errno_t)(84))
+#define LIB9P_ERRNO_L_ERESTART        ((lib9p_errno_t)(85))
+#define LIB9P_ERRNO_L_ESTRPIPE        ((lib9p_errno_t)(86))
+#define LIB9P_ERRNO_L_EUSERS          ((lib9p_errno_t)(87))
+#define LIB9P_ERRNO_L_ENOTSOCK        ((lib9p_errno_t)(88))
+#define LIB9P_ERRNO_L_EDESTADDRREQ    ((lib9p_errno_t)(89))
+#define LIB9P_ERRNO_L_EMSGSIZE        ((lib9p_errno_t)(90))
+#define LIB9P_ERRNO_L_EPROTOTYPE      ((lib9p_errno_t)(91))
+#define LIB9P_ERRNO_L_ENOPROTOOPT     ((lib9p_errno_t)(92))
+#define LIB9P_ERRNO_L_EPROTONOSUPPORT ((lib9p_errno_t)(93))
+#define LIB9P_ERRNO_L_ESOCKTNOSUPPORT ((lib9p_errno_t)(94))
+#define LIB9P_ERRNO_L_EOPNOTSUPP      ((lib9p_errno_t)(95))
+#define LIB9P_ERRNO_L_EPFNOSUPPORT    ((lib9p_errno_t)(96))
+#define LIB9P_ERRNO_L_EAFNOSUPPORT    ((lib9p_errno_t)(97))
+#define LIB9P_ERRNO_L_EADDRINUSE      ((lib9p_errno_t)(98))
+#define LIB9P_ERRNO_L_EADDRNOTAVAIL   ((lib9p_errno_t)(99))
+#define LIB9P_ERRNO_L_ENETDOWN        ((lib9p_errno_t)(100))
+#define LIB9P_ERRNO_L_ENETUNREACH     ((lib9p_errno_t)(101))
+#define LIB9P_ERRNO_L_ENETRESET       ((lib9p_errno_t)(102))
+#define LIB9P_ERRNO_L_ECONNABORTED    ((lib9p_errno_t)(103))
+#define LIB9P_ERRNO_L_ECONNRESET      ((lib9p_errno_t)(104))
+#define LIB9P_ERRNO_L_ENOBUFS         ((lib9p_errno_t)(105))
+#define LIB9P_ERRNO_L_EISCONN         ((lib9p_errno_t)(106))
+#define LIB9P_ERRNO_L_ENOTCONN        ((lib9p_errno_t)(107))
+#define LIB9P_ERRNO_L_ESHUTDOWN       ((lib9p_errno_t)(108))
+#define LIB9P_ERRNO_L_ETOOMANYREFS    ((lib9p_errno_t)(109))
+#define LIB9P_ERRNO_L_ETIMEDOUT       ((lib9p_errno_t)(110))
+#define LIB9P_ERRNO_L_ECONNREFUSED    ((lib9p_errno_t)(111))
+#define LIB9P_ERRNO_L_EHOSTDOWN       ((lib9p_errno_t)(112))
+#define LIB9P_ERRNO_L_EHOSTUNREACH    ((lib9p_errno_t)(113))
+#define LIB9P_ERRNO_L_EALREADY        ((lib9p_errno_t)(114))
+#define LIB9P_ERRNO_L_EINPROGRESS     ((lib9p_errno_t)(115))
+#define LIB9P_ERRNO_L_ESTALE          ((lib9p_errno_t)(116))
+#define LIB9P_ERRNO_L_EUCLEAN         ((lib9p_errno_t)(117))
+#define LIB9P_ERRNO_L_ENOTNAM         ((lib9p_errno_t)(118))
+#define LIB9P_ERRNO_L_ENAVAIL         ((lib9p_errno_t)(119))
+#define LIB9P_ERRNO_L_EISNAM          ((lib9p_errno_t)(120))
+#define LIB9P_ERRNO_L_EREMOTEIO       ((lib9p_errno_t)(121))
+#define LIB9P_ERRNO_L_EDQUOT          ((lib9p_errno_t)(122))
+#define LIB9P_ERRNO_L_ENOMEDIUM       ((lib9p_errno_t)(123))
+#define LIB9P_ERRNO_L_EMEDIUMTYPE     ((lib9p_errno_t)(124))
+#define LIB9P_ERRNO_L_ECANCELED       ((lib9p_errno_t)(125))
+#define LIB9P_ERRNO_L_ENOKEY          ((lib9p_errno_t)(126))
+#define LIB9P_ERRNO_L_EKEYEXPIRED     ((lib9p_errno_t)(127))
+#define LIB9P_ERRNO_L_EKEYREVOKED     ((lib9p_errno_t)(128))
+#define LIB9P_ERRNO_L_EKEYREJECTED    ((lib9p_errno_t)(129))
+#define LIB9P_ERRNO_L_EOWNERDEAD      ((lib9p_errno_t)(130))
+#define LIB9P_ERRNO_L_ENOTRECOVERABLE ((lib9p_errno_t)(131))
+#define LIB9P_ERRNO_L_ERFKILL         ((lib9p_errno_t)(132))
+#define LIB9P_ERRNO_L_EHWPOISON       ((lib9p_errno_t)(133))
+
+#endif /* CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000_L
+/* size = 4 ; max_iov = 1 ; max_copy = 4 */
+typedef uint32_t lib9p_super_magic_t;
+LO_IMPLEMENTATION_H(fmt_formatter, lib9p_super_magic_t, lib9p_super_magic);
+#define LIB9P_SUPER_MAGIC_V9FS_MAGIC ((lib9p_super_magic_t)(16914839))
+
+/* size = 4 ; max_iov = 1 ; max_copy = 4 */
+typedef uint32_t lib9p_lo_t;
+LO_IMPLEMENTATION_H(fmt_formatter, lib9p_lo_t, lib9p_lo);
+/* bits */
+#define   _LIB9P_LO_UNUSED_31  ((lib9p_lo_t)(UINT32_C(1)<<31))
+#define   _LIB9P_LO_UNUSED_30  ((lib9p_lo_t)(UINT32_C(1)<<30))
+#define   _LIB9P_LO_UNUSED_29  ((lib9p_lo_t)(UINT32_C(1)<<29))
+#define   _LIB9P_LO_UNUSED_28  ((lib9p_lo_t)(UINT32_C(1)<<28))
+#define   _LIB9P_LO_UNUSED_27  ((lib9p_lo_t)(UINT32_C(1)<<27))
+#define   _LIB9P_LO_UNUSED_26  ((lib9p_lo_t)(UINT32_C(1)<<26))
+#define   _LIB9P_LO_UNUSED_25  ((lib9p_lo_t)(UINT32_C(1)<<25))
+#define   _LIB9P_LO_UNUSED_24  ((lib9p_lo_t)(UINT32_C(1)<<24))
+#define   _LIB9P_LO_UNUSED_23  ((lib9p_lo_t)(UINT32_C(1)<<23))
+#define   _LIB9P_LO_UNUSED_22  ((lib9p_lo_t)(UINT32_C(1)<<22))
+#define   _LIB9P_LO_UNUSED_21  ((lib9p_lo_t)(UINT32_C(1)<<21))
+#define   LIB9P_LO_SYNC        ((lib9p_lo_t)(UINT32_C(1)<<20))
+#define   LIB9P_LO_CLOEXEC     ((lib9p_lo_t)(UINT32_C(1)<<19))
+#define   LIB9P_LO_NOATIME     ((lib9p_lo_t)(UINT32_C(1)<<18))
+#define   LIB9P_LO_NOFOLLOW    ((lib9p_lo_t)(UINT32_C(1)<<17))
+#define   LIB9P_LO_DIRECTORY   ((lib9p_lo_t)(UINT32_C(1)<<16))
+#define   LIB9P_LO_LARGEFILE   ((lib9p_lo_t)(UINT32_C(1)<<15))
+#define   LIB9P_LO_DIRECT      ((lib9p_lo_t)(UINT32_C(1)<<14))
+#define   LIB9P_LO_BSD_FASYNC  ((lib9p_lo_t)(UINT32_C(1)<<13))
+#define   LIB9P_LO_DSYNC       ((lib9p_lo_t)(UINT32_C(1)<<12))
+#define   LIB9P_LO_NONBLOCK    ((lib9p_lo_t)(UINT32_C(1)<<11))
+#define   LIB9P_LO_APPEND      ((lib9p_lo_t)(UINT32_C(1)<<10))
+#define   LIB9P_LO_TRUNC       ((lib9p_lo_t)(UINT32_C(1)<<9))
+#define   LIB9P_LO_NOCTTY      ((lib9p_lo_t)(UINT32_C(1)<<8))
+#define   LIB9P_LO_EXCL        ((lib9p_lo_t)(UINT32_C(1)<<7))
+#define   LIB9P_LO_CREATE      ((lib9p_lo_t)(UINT32_C(1)<<6))
+#define   _LIB9P_LO_UNUSED_5   ((lib9p_lo_t)(UINT32_C(1)<<5))
+#define   _LIB9P_LO_UNUSED_4   ((lib9p_lo_t)(UINT32_C(1)<<4))
+#define   _LIB9P_LO_UNUSED_3   ((lib9p_lo_t)(UINT32_C(1)<<3))
+#define   _LIB9P_LO_UNUSED_2   ((lib9p_lo_t)(UINT32_C(1)<<2))
+/* number LIB9P_LO_MODE_*      ((lib9p_lo_t)(UINT32_C(1)<<1)) */
+/* number LIB9P_LO_MODE_*      ((lib9p_lo_t)(UINT32_C(1)<<0)) */
+/* masks */
+#define   LIB9P_LO_FLAG_MASK   ((lib9p_lo_t)(0b000000000111111111111111000000))
+/* number: MODE */
+#define   LIB9P_LO_MODE_RDONLY    ((lib9p_lo_t)(0))
+#define   LIB9P_LO_MODE_WRONLY    ((lib9p_lo_t)(1))
+#define   LIB9P_LO_MODE_RDWR      ((lib9p_lo_t)(2))
+#define   LIB9P_LO_MODE_NOACCESS  ((lib9p_lo_t)(3))
+#define   LIB9P_LO_MODE_MASK      ((lib9p_lo_t)(0b000000000000000000000000000011))
+
+/* size = 1 ; max_iov = 1 ; max_copy = 1 */
+typedef uint8_t lib9p_dt_t;
+LO_IMPLEMENTATION_H(fmt_formatter, lib9p_dt_t, lib9p_dt);
+#define LIB9P_DT_UNKNOWN   ((lib9p_dt_t)(0))
+#define LIB9P_DT_PIPE      ((lib9p_dt_t)(1))
+#define LIB9P_DT_CHAR_DEV  ((lib9p_dt_t)(2))
+#define LIB9P_DT_DIRECTORY ((lib9p_dt_t)(4))
+#define LIB9P_DT_BLOCK_DEV ((lib9p_dt_t)(6))
+#define LIB9P_DT_REGULAR   ((lib9p_dt_t)(8))
+#define LIB9P_DT_SYMLINK   ((lib9p_dt_t)(10))
+#define LIB9P_DT_SOCKET    ((lib9p_dt_t)(12))
+#define _LIB9P_DT_WHITEOUT ((lib9p_dt_t)(14))
+
+/* size = 4 ; max_iov = 1 ; max_copy = 4 */
+typedef uint32_t lib9p_mode_t;
+LO_IMPLEMENTATION_H(fmt_formatter, lib9p_mode_t, lib9p_mode);
+/* bits */
+#define   _LIB9P_MODE_UNUSED_31     ((lib9p_mode_t)(UINT32_C(1)<<31))
+#define   _LIB9P_MODE_UNUSED_30     ((lib9p_mode_t)(UINT32_C(1)<<30))
+#define   _LIB9P_MODE_UNUSED_29     ((lib9p_mode_t)(UINT32_C(1)<<29))
+#define   _LIB9P_MODE_UNUSED_28     ((lib9p_mode_t)(UINT32_C(1)<<28))
+#define   _LIB9P_MODE_UNUSED_27     ((lib9p_mode_t)(UINT32_C(1)<<27))
+#define   _LIB9P_MODE_UNUSED_26     ((lib9p_mode_t)(UINT32_C(1)<<26))
+#define   _LIB9P_MODE_UNUSED_25     ((lib9p_mode_t)(UINT32_C(1)<<25))
+#define   _LIB9P_MODE_UNUSED_24     ((lib9p_mode_t)(UINT32_C(1)<<24))
+#define   _LIB9P_MODE_UNUSED_23     ((lib9p_mode_t)(UINT32_C(1)<<23))
+#define   _LIB9P_MODE_UNUSED_22     ((lib9p_mode_t)(UINT32_C(1)<<22))
+#define   _LIB9P_MODE_UNUSED_21     ((lib9p_mode_t)(UINT32_C(1)<<21))
+#define   _LIB9P_MODE_UNUSED_20     ((lib9p_mode_t)(UINT32_C(1)<<20))
+#define   _LIB9P_MODE_UNUSED_19     ((lib9p_mode_t)(UINT32_C(1)<<19))
+#define   _LIB9P_MODE_UNUSED_18     ((lib9p_mode_t)(UINT32_C(1)<<18))
+#define   _LIB9P_MODE_UNUSED_17     ((lib9p_mode_t)(UINT32_C(1)<<17))
+#define   _LIB9P_MODE_UNUSED_16     ((lib9p_mode_t)(UINT32_C(1)<<16))
+/* number LIB9P_MODE_FMT_*          ((lib9p_mode_t)(UINT32_C(1)<<15)) */
+/* number LIB9P_MODE_FMT_*          ((lib9p_mode_t)(UINT32_C(1)<<14)) */
+/* number LIB9P_MODE_FMT_*          ((lib9p_mode_t)(UINT32_C(1)<<13)) */
+/* number LIB9P_MODE_FMT_*          ((lib9p_mode_t)(UINT32_C(1)<<12)) */
+#define   LIB9P_MODE_PERM_SETGROUP  ((lib9p_mode_t)(UINT32_C(1)<<11))
+#define   LIB9P_MODE_PERM_SETUSER   ((lib9p_mode_t)(UINT32_C(1)<<10))
+#define   LIB9P_MODE_PERM_STICKY    ((lib9p_mode_t)(UINT32_C(1)<<9))
+#define   LIB9P_MODE_PERM_OWNER_R   ((lib9p_mode_t)(UINT32_C(1)<<8))
+#define   LIB9P_MODE_PERM_OWNER_W   ((lib9p_mode_t)(UINT32_C(1)<<7))
+#define   LIB9P_MODE_PERM_OWNER_X   ((lib9p_mode_t)(UINT32_C(1)<<6))
+#define   LIB9P_MODE_PERM_GROUP_R   ((lib9p_mode_t)(UINT32_C(1)<<5))
+#define   LIB9P_MODE_PERM_GROUP_W   ((lib9p_mode_t)(UINT32_C(1)<<4))
+#define   LIB9P_MODE_PERM_GROUP_X   ((lib9p_mode_t)(UINT32_C(1)<<3))
+#define   LIB9P_MODE_PERM_OTHER_R   ((lib9p_mode_t)(UINT32_C(1)<<2))
+#define   LIB9P_MODE_PERM_OTHER_W   ((lib9p_mode_t)(UINT32_C(1)<<1))
+#define   LIB9P_MODE_PERM_OTHER_X   ((lib9p_mode_t)(UINT32_C(1)<<0))
+/* masks */
+#define   LIB9P_MODE_PERM_MASK      ((lib9p_mode_t)(0b000000000000000000111111111111))
+/* number: FMT */
+#define   LIB9P_MODE_FMT_PIPE       ((lib9p_mode_t)(LIB9P_DT_PIPE << 12))
+#define   LIB9P_MODE_FMT_CHAR_DEV   ((lib9p_mode_t)(LIB9P_DT_CHAR_DEV << 12))
+#define   LIB9P_MODE_FMT_DIRECTORY  ((lib9p_mode_t)(LIB9P_DT_DIRECTORY << 12))
+#define   LIB9P_MODE_FMT_BLOCK_DEV  ((lib9p_mode_t)(LIB9P_DT_BLOCK_DEV << 12))
+#define   LIB9P_MODE_FMT_REGULAR    ((lib9p_mode_t)(LIB9P_DT_REGULAR << 12))
+#define   LIB9P_MODE_FMT_SYMLINK    ((lib9p_mode_t)(LIB9P_DT_SYMLINK << 12))
+#define   LIB9P_MODE_FMT_SOCKET     ((lib9p_mode_t)(LIB9P_DT_SOCKET << 12))
+#define   LIB9P_MODE_FMT_MASK       ((lib9p_mode_t)(0b000000000000001111000000000000))
+
+/* size = 4 ; max_iov = 1 ; max_copy = 4 */
+typedef uint32_t lib9p_b4_t;
+LO_IMPLEMENTATION_H(fmt_formatter, lib9p_b4_t, lib9p_b4);
+#define LIB9P_B4_FALSE ((lib9p_b4_t)(0))
+#define LIB9P_B4_TRUE  ((lib9p_b4_t)(1))
+
+/* size = 8 ; max_iov = 1 ; max_copy = 8 */
+typedef uint64_t lib9p_getattr_t;
+LO_IMPLEMENTATION_H(fmt_formatter, lib9p_getattr_t, lib9p_getattr);
+/* bits */
+#define   _LIB9P_GETATTR_UNUSED_63    ((lib9p_getattr_t)(UINT64_C(1)<<63))
+#define   _LIB9P_GETATTR_UNUSED_62    ((lib9p_getattr_t)(UINT64_C(1)<<62))
+#define   _LIB9P_GETATTR_UNUSED_61    ((lib9p_getattr_t)(UINT64_C(1)<<61))
+#define   _LIB9P_GETATTR_UNUSED_60    ((lib9p_getattr_t)(UINT64_C(1)<<60))
+#define   _LIB9P_GETATTR_UNUSED_59    ((lib9p_getattr_t)(UINT64_C(1)<<59))
+#define   _LIB9P_GETATTR_UNUSED_58    ((lib9p_getattr_t)(UINT64_C(1)<<58))
+#define   _LIB9P_GETATTR_UNUSED_57    ((lib9p_getattr_t)(UINT64_C(1)<<57))
+#define   _LIB9P_GETATTR_UNUSED_56    ((lib9p_getattr_t)(UINT64_C(1)<<56))
+#define   _LIB9P_GETATTR_UNUSED_55    ((lib9p_getattr_t)(UINT64_C(1)<<55))
+#define   _LIB9P_GETATTR_UNUSED_54    ((lib9p_getattr_t)(UINT64_C(1)<<54))
+#define   _LIB9P_GETATTR_UNUSED_53    ((lib9p_getattr_t)(UINT64_C(1)<<53))
+#define   _LIB9P_GETATTR_UNUSED_52    ((lib9p_getattr_t)(UINT64_C(1)<<52))
+#define   _LIB9P_GETATTR_UNUSED_51    ((lib9p_getattr_t)(UINT64_C(1)<<51))
+#define   _LIB9P_GETATTR_UNUSED_50    ((lib9p_getattr_t)(UINT64_C(1)<<50))
+#define   _LIB9P_GETATTR_UNUSED_49    ((lib9p_getattr_t)(UINT64_C(1)<<49))
+#define   _LIB9P_GETATTR_UNUSED_48    ((lib9p_getattr_t)(UINT64_C(1)<<48))
+#define   _LIB9P_GETATTR_UNUSED_47    ((lib9p_getattr_t)(UINT64_C(1)<<47))
+#define   _LIB9P_GETATTR_UNUSED_46    ((lib9p_getattr_t)(UINT64_C(1)<<46))
+#define   _LIB9P_GETATTR_UNUSED_45    ((lib9p_getattr_t)(UINT64_C(1)<<45))
+#define   _LIB9P_GETATTR_UNUSED_44    ((lib9p_getattr_t)(UINT64_C(1)<<44))
+#define   _LIB9P_GETATTR_UNUSED_43    ((lib9p_getattr_t)(UINT64_C(1)<<43))
+#define   _LIB9P_GETATTR_UNUSED_42    ((lib9p_getattr_t)(UINT64_C(1)<<42))
+#define   _LIB9P_GETATTR_UNUSED_41    ((lib9p_getattr_t)(UINT64_C(1)<<41))
+#define   _LIB9P_GETATTR_UNUSED_40    ((lib9p_getattr_t)(UINT64_C(1)<<40))
+#define   _LIB9P_GETATTR_UNUSED_39    ((lib9p_getattr_t)(UINT64_C(1)<<39))
+#define   _LIB9P_GETATTR_UNUSED_38    ((lib9p_getattr_t)(UINT64_C(1)<<38))
+#define   _LIB9P_GETATTR_UNUSED_37    ((lib9p_getattr_t)(UINT64_C(1)<<37))
+#define   _LIB9P_GETATTR_UNUSED_36    ((lib9p_getattr_t)(UINT64_C(1)<<36))
+#define   _LIB9P_GETATTR_UNUSED_35    ((lib9p_getattr_t)(UINT64_C(1)<<35))
+#define   _LIB9P_GETATTR_UNUSED_34    ((lib9p_getattr_t)(UINT64_C(1)<<34))
+#define   _LIB9P_GETATTR_UNUSED_33    ((lib9p_getattr_t)(UINT64_C(1)<<33))
+#define   _LIB9P_GETATTR_UNUSED_32    ((lib9p_getattr_t)(UINT64_C(1)<<32))
+#define   _LIB9P_GETATTR_UNUSED_31    ((lib9p_getattr_t)(UINT64_C(1)<<31))
+#define   _LIB9P_GETATTR_UNUSED_30    ((lib9p_getattr_t)(UINT64_C(1)<<30))
+#define   _LIB9P_GETATTR_UNUSED_29    ((lib9p_getattr_t)(UINT64_C(1)<<29))
+#define   _LIB9P_GETATTR_UNUSED_28    ((lib9p_getattr_t)(UINT64_C(1)<<28))
+#define   _LIB9P_GETATTR_UNUSED_27    ((lib9p_getattr_t)(UINT64_C(1)<<27))
+#define   _LIB9P_GETATTR_UNUSED_26    ((lib9p_getattr_t)(UINT64_C(1)<<26))
+#define   _LIB9P_GETATTR_UNUSED_25    ((lib9p_getattr_t)(UINT64_C(1)<<25))
+#define   _LIB9P_GETATTR_UNUSED_24    ((lib9p_getattr_t)(UINT64_C(1)<<24))
+#define   _LIB9P_GETATTR_UNUSED_23    ((lib9p_getattr_t)(UINT64_C(1)<<23))
+#define   _LIB9P_GETATTR_UNUSED_22    ((lib9p_getattr_t)(UINT64_C(1)<<22))
+#define   _LIB9P_GETATTR_UNUSED_21    ((lib9p_getattr_t)(UINT64_C(1)<<21))
+#define   _LIB9P_GETATTR_UNUSED_20    ((lib9p_getattr_t)(UINT64_C(1)<<20))
+#define   _LIB9P_GETATTR_UNUSED_19    ((lib9p_getattr_t)(UINT64_C(1)<<19))
+#define   _LIB9P_GETATTR_UNUSED_18    ((lib9p_getattr_t)(UINT64_C(1)<<18))
+#define   _LIB9P_GETATTR_UNUSED_17    ((lib9p_getattr_t)(UINT64_C(1)<<17))
+#define   _LIB9P_GETATTR_UNUSED_16    ((lib9p_getattr_t)(UINT64_C(1)<<16))
+#define   _LIB9P_GETATTR_UNUSED_15    ((lib9p_getattr_t)(UINT64_C(1)<<15))
+#define   _LIB9P_GETATTR_UNUSED_14    ((lib9p_getattr_t)(UINT64_C(1)<<14))
+#define   LIB9P_GETATTR_DATA_VERSION  ((lib9p_getattr_t)(UINT64_C(1)<<13))
+#define   LIB9P_GETATTR_GEN           ((lib9p_getattr_t)(UINT64_C(1)<<12))
+#define   LIB9P_GETATTR_BTIME         ((lib9p_getattr_t)(UINT64_C(1)<<11))
+#define   LIB9P_GETATTR_BLOCKS        ((lib9p_getattr_t)(UINT64_C(1)<<10))
+#define   LIB9P_GETATTR_SIZE          ((lib9p_getattr_t)(UINT64_C(1)<<9))
+#define   LIB9P_GETATTR_INO           ((lib9p_getattr_t)(UINT64_C(1)<<8))
+#define   LIB9P_GETATTR_CTIME         ((lib9p_getattr_t)(UINT64_C(1)<<7))
+#define   LIB9P_GETATTR_MTIME         ((lib9p_getattr_t)(UINT64_C(1)<<6))
+#define   LIB9P_GETATTR_ATIME         ((lib9p_getattr_t)(UINT64_C(1)<<5))
+#define   LIB9P_GETATTR_RDEV          ((lib9p_getattr_t)(UINT64_C(1)<<4))
+#define   LIB9P_GETATTR_GID           ((lib9p_getattr_t)(UINT64_C(1)<<3))
+#define   LIB9P_GETATTR_UID           ((lib9p_getattr_t)(UINT64_C(1)<<2))
+#define   LIB9P_GETATTR_NLINK         ((lib9p_getattr_t)(UINT64_C(1)<<1))
+#define   LIB9P_GETATTR_MODE          ((lib9p_getattr_t)(UINT64_C(1)<<0))
+/* aliases */
+#define   LIB9P_GETATTR_BASIC         ((lib9p_getattr_t)(2047))
+#define   LIB9P_GETATTR_ALL           ((lib9p_getattr_t)(16383))
+
+/* size = 4 ; max_iov = 1 ; max_copy = 4 */
+typedef uint32_t lib9p_setattr_t;
+LO_IMPLEMENTATION_H(fmt_formatter, lib9p_setattr_t, lib9p_setattr);
+/* bits */
+#define   _LIB9P_SETATTR_UNUSED_31  ((lib9p_setattr_t)(UINT32_C(1)<<31))
+#define   _LIB9P_SETATTR_UNUSED_30  ((lib9p_setattr_t)(UINT32_C(1)<<30))
+#define   _LIB9P_SETATTR_UNUSED_29  ((lib9p_setattr_t)(UINT32_C(1)<<29))
+#define   _LIB9P_SETATTR_UNUSED_28  ((lib9p_setattr_t)(UINT32_C(1)<<28))
+#define   _LIB9P_SETATTR_UNUSED_27  ((lib9p_setattr_t)(UINT32_C(1)<<27))
+#define   _LIB9P_SETATTR_UNUSED_26  ((lib9p_setattr_t)(UINT32_C(1)<<26))
+#define   _LIB9P_SETATTR_UNUSED_25  ((lib9p_setattr_t)(UINT32_C(1)<<25))
+#define   _LIB9P_SETATTR_UNUSED_24  ((lib9p_setattr_t)(UINT32_C(1)<<24))
+#define   _LIB9P_SETATTR_UNUSED_23  ((lib9p_setattr_t)(UINT32_C(1)<<23))
+#define   _LIB9P_SETATTR_UNUSED_22  ((lib9p_setattr_t)(UINT32_C(1)<<22))
+#define   _LIB9P_SETATTR_UNUSED_21  ((lib9p_setattr_t)(UINT32_C(1)<<21))
+#define   _LIB9P_SETATTR_UNUSED_20  ((lib9p_setattr_t)(UINT32_C(1)<<20))
+#define   _LIB9P_SETATTR_UNUSED_19  ((lib9p_setattr_t)(UINT32_C(1)<<19))
+#define   _LIB9P_SETATTR_UNUSED_18  ((lib9p_setattr_t)(UINT32_C(1)<<18))
+#define   _LIB9P_SETATTR_UNUSED_17  ((lib9p_setattr_t)(UINT32_C(1)<<17))
+#define   _LIB9P_SETATTR_UNUSED_16  ((lib9p_setattr_t)(UINT32_C(1)<<16))
+#define   _LIB9P_SETATTR_UNUSED_15  ((lib9p_setattr_t)(UINT32_C(1)<<15))
+#define   _LIB9P_SETATTR_UNUSED_14  ((lib9p_setattr_t)(UINT32_C(1)<<14))
+#define   _LIB9P_SETATTR_UNUSED_13  ((lib9p_setattr_t)(UINT32_C(1)<<13))
+#define   _LIB9P_SETATTR_UNUSED_12  ((lib9p_setattr_t)(UINT32_C(1)<<12))
+#define   _LIB9P_SETATTR_UNUSED_11  ((lib9p_setattr_t)(UINT32_C(1)<<11))
+#define   _LIB9P_SETATTR_UNUSED_10  ((lib9p_setattr_t)(UINT32_C(1)<<10))
+#define   _LIB9P_SETATTR_UNUSED_9   ((lib9p_setattr_t)(UINT32_C(1)<<9))
+#define   LIB9P_SETATTR_MTIME_SET   ((lib9p_setattr_t)(UINT32_C(1)<<8))
+#define   LIB9P_SETATTR_ATIME_SET   ((lib9p_setattr_t)(UINT32_C(1)<<7))
+#define   LIB9P_SETATTR_CTIME       ((lib9p_setattr_t)(UINT32_C(1)<<6))
+#define   LIB9P_SETATTR_MTIME       ((lib9p_setattr_t)(UINT32_C(1)<<5))
+#define   LIB9P_SETATTR_ATIME       ((lib9p_setattr_t)(UINT32_C(1)<<4))
+#define   LIB9P_SETATTR_SIZE        ((lib9p_setattr_t)(UINT32_C(1)<<3))
+#define   LIB9P_SETATTR_GID         ((lib9p_setattr_t)(UINT32_C(1)<<2))
+#define   LIB9P_SETATTR_UID         ((lib9p_setattr_t)(UINT32_C(1)<<1))
+#define   LIB9P_SETATTR_MODE        ((lib9p_setattr_t)(UINT32_C(1)<<0))
+
+/* size = 1 ; max_iov = 1 ; max_copy = 1 */
+typedef uint8_t lib9p_lock_type_t;
+LO_IMPLEMENTATION_H(fmt_formatter, lib9p_lock_type_t, lib9p_lock_type);
+#define LIB9P_LOCK_TYPE_RDLCK ((lib9p_lock_type_t)(0))
+#define LIB9P_LOCK_TYPE_WRLCK ((lib9p_lock_type_t)(1))
+#define LIB9P_LOCK_TYPE_UNLCK ((lib9p_lock_type_t)(2))
+
+/* size = 4 ; max_iov = 1 ; max_copy = 4 */
+typedef uint32_t lib9p_lock_flags_t;
+LO_IMPLEMENTATION_H(fmt_formatter, lib9p_lock_flags_t, lib9p_lock_flags);
+/* bits */
+#define   _LIB9P_LOCK_FLAGS_UNUSED_31  ((lib9p_lock_flags_t)(UINT32_C(1)<<31))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_30  ((lib9p_lock_flags_t)(UINT32_C(1)<<30))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_29  ((lib9p_lock_flags_t)(UINT32_C(1)<<29))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_28  ((lib9p_lock_flags_t)(UINT32_C(1)<<28))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_27  ((lib9p_lock_flags_t)(UINT32_C(1)<<27))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_26  ((lib9p_lock_flags_t)(UINT32_C(1)<<26))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_25  ((lib9p_lock_flags_t)(UINT32_C(1)<<25))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_24  ((lib9p_lock_flags_t)(UINT32_C(1)<<24))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_23  ((lib9p_lock_flags_t)(UINT32_C(1)<<23))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_22  ((lib9p_lock_flags_t)(UINT32_C(1)<<22))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_21  ((lib9p_lock_flags_t)(UINT32_C(1)<<21))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_20  ((lib9p_lock_flags_t)(UINT32_C(1)<<20))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_19  ((lib9p_lock_flags_t)(UINT32_C(1)<<19))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_18  ((lib9p_lock_flags_t)(UINT32_C(1)<<18))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_17  ((lib9p_lock_flags_t)(UINT32_C(1)<<17))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_16  ((lib9p_lock_flags_t)(UINT32_C(1)<<16))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_15  ((lib9p_lock_flags_t)(UINT32_C(1)<<15))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_14  ((lib9p_lock_flags_t)(UINT32_C(1)<<14))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_13  ((lib9p_lock_flags_t)(UINT32_C(1)<<13))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_12  ((lib9p_lock_flags_t)(UINT32_C(1)<<12))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_11  ((lib9p_lock_flags_t)(UINT32_C(1)<<11))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_10  ((lib9p_lock_flags_t)(UINT32_C(1)<<10))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_9   ((lib9p_lock_flags_t)(UINT32_C(1)<<9))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_8   ((lib9p_lock_flags_t)(UINT32_C(1)<<8))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_7   ((lib9p_lock_flags_t)(UINT32_C(1)<<7))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_6   ((lib9p_lock_flags_t)(UINT32_C(1)<<6))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_5   ((lib9p_lock_flags_t)(UINT32_C(1)<<5))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_4   ((lib9p_lock_flags_t)(UINT32_C(1)<<4))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_3   ((lib9p_lock_flags_t)(UINT32_C(1)<<3))
+#define   _LIB9P_LOCK_FLAGS_UNUSED_2   ((lib9p_lock_flags_t)(UINT32_C(1)<<2))
+#define   LIB9P_LOCK_FLAGS_RECLAIM     ((lib9p_lock_flags_t)(UINT32_C(1)<<1))
+#define   LIB9P_LOCK_FLAGS_BLOCK       ((lib9p_lock_flags_t)(UINT32_C(1)<<0))
+
+/* size = 1 ; max_iov = 1 ; max_copy = 1 */
+typedef uint8_t lib9p_lock_status_t;
+LO_IMPLEMENTATION_H(fmt_formatter, lib9p_lock_status_t, lib9p_lock_status);
+#define LIB9P_LOCK_STATUS_SUCCESS ((lib9p_lock_status_t)(0))
+#define LIB9P_LOCK_STATUS_BLOCKED ((lib9p_lock_status_t)(1))
+#define LIB9P_LOCK_STATUS_ERROR   ((lib9p_lock_status_t)(2))
+#define LIB9P_LOCK_STATUS_GRACE   ((lib9p_lock_status_t)(3))
+
+#endif /* CONFIG_9P_ENABLE_9P2000_L */
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+/* min_size = 2 ; exp_size = 29 ; max_size = 65,537 ; max_iov = 2 ; max_copy = 2 */
+struct lib9p_s {
+	uint16_t                  len;
+	[[gnu::nonstring]] char  *utf8;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_s, lib9p_s);
+
+/* size = 13 ; max_iov = 1 ; max_copy = 13 */
+struct lib9p_qid {
+	lib9p_qt_t   type;
+	uint32_t     vers;
+	uint64_t     path;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_qid, lib9p_qid);
+
+/* size = 9 ; max_iov = 1 ; max_copy = 9 */
+struct lib9p_msg_Tflush {
+	lib9p_tag_t   tag;
+	uint16_t      oldtag;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tflush, lib9p_msg_Tflush);
+
+/* size = 7 ; max_iov = 1 ; max_copy = 7 */
+struct lib9p_msg_Rflush {
+	lib9p_tag_t   tag;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rflush, lib9p_msg_Rflush);
+
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+/* size = 12 ; max_iov = 1 ; max_copy = 12 */
+struct lib9p_msg_Topen {
+	lib9p_tag_t   tag;
+	lib9p_fid_t   fid;
+	lib9p_o_t     mode;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Topen, lib9p_msg_Topen);
+
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+/* size = 23 ; max_iov = 1 ; max_copy = 23 */
+struct lib9p_msg_Tread {
+	lib9p_tag_t   tag;
+	lib9p_fid_t   fid;
+	uint64_t      offset;
+	uint32_t      count;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tread, lib9p_msg_Tread);
+
+/* min_size = 11 ; exp_size = 8,203 ; max_size = 2,147,483,658 ; max_iov = 2 ; max_copy = 11 */
+struct lib9p_msg_Rread {
+	lib9p_tag_t               tag;
+	uint32_t                  count;
+	[[gnu::nonstring]] char  *data;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rread, lib9p_msg_Rread);
+
+/* min_size = 23 ; exp_size = 8,215 ; max_size = 2,147,483,670 ; max_iov = 2 ; max_copy = 23 */
+struct lib9p_msg_Twrite {
+	lib9p_tag_t               tag;
+	lib9p_fid_t               fid;
+	uint64_t                  offset;
+	uint32_t                  count;
+	[[gnu::nonstring]] char  *data;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Twrite, lib9p_msg_Twrite);
+
+/* size = 11 ; max_iov = 1 ; max_copy = 11 */
+struct lib9p_msg_Rwrite {
+	lib9p_tag_t   tag;
+	uint32_t      count;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rwrite, lib9p_msg_Rwrite);
+
+/* size = 11 ; max_iov = 1 ; max_copy = 11 */
+struct lib9p_msg_Tclunk {
+	lib9p_tag_t   tag;
+	lib9p_fid_t   fid;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tclunk, lib9p_msg_Tclunk);
+
+/* size = 7 ; max_iov = 1 ; max_copy = 7 */
+struct lib9p_msg_Rclunk {
+	lib9p_tag_t   tag;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rclunk, lib9p_msg_Rclunk);
+
+/* size = 11 ; max_iov = 1 ; max_copy = 11 */
+struct lib9p_msg_Tremove {
+	lib9p_tag_t   tag;
+	lib9p_fid_t   fid;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tremove, lib9p_msg_Tremove);
+
+/* size = 7 ; max_iov = 1 ; max_copy = 7 */
+struct lib9p_msg_Rremove {
+	lib9p_tag_t   tag;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rremove, lib9p_msg_Rremove);
+
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+/* size = 11 ; max_iov = 1 ; max_copy = 11 */
+struct lib9p_msg_Tstat {
+	lib9p_tag_t   tag;
+	lib9p_fid_t   fid;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tstat, lib9p_msg_Tstat);
+
+/* size = 7 ; max_iov = 1 ; max_copy = 7 */
+struct lib9p_msg_Rwstat {
+	lib9p_tag_t   tag;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rwstat, lib9p_msg_Rwstat);
+
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000_p9p
+/* size = 12 ; max_iov = 1 ; max_copy = 12 */
+struct lib9p_msg_Topenfd {
+	lib9p_tag_t   tag;
+	lib9p_fid_t   fid;
+	lib9p_o_t     mode;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Topenfd, lib9p_msg_Topenfd);
+
+#endif /* CONFIG_9P_ENABLE_9P2000_p9p */
+#if CONFIG_9P_ENABLE_9P2000_L
+/* size = 11 ; max_iov = 1 ; max_copy = 11 */
+struct lib9p_msg_Rlerror {
+	lib9p_tag_t     tag;
+	lib9p_errno_t   errnum;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rlerror, lib9p_msg_Rlerror);
+
+/* size = 11 ; max_iov = 1 ; max_copy = 11 */
+struct lib9p_msg_Tstatfs {
+	lib9p_tag_t   tag;
+	lib9p_fid_t   fid;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tstatfs, lib9p_msg_Tstatfs);
+
+/* size = 67 ; max_iov = 1 ; max_copy = 67 */
+struct lib9p_msg_Rstatfs {
+	lib9p_tag_t           tag;
+	lib9p_super_magic_t   type;
+	uint32_t              bsize;
+	uint64_t              blocks;
+	uint64_t              bfree;
+	uint64_t              bavail;
+	uint64_t              files;
+	uint64_t              ffree;
+	uint64_t              fsid;
+	uint32_t              namelen;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rstatfs, lib9p_msg_Rstatfs);
+
+/* size = 15 ; max_iov = 1 ; max_copy = 15 */
+struct lib9p_msg_Tlopen {
+	lib9p_tag_t   tag;
+	lib9p_fid_t   fid;
+	lib9p_lo_t    flags;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tlopen, lib9p_msg_Tlopen);
+
+/* size = 7 ; max_iov = 1 ; max_copy = 7 */
+struct lib9p_msg_Rrename {
+	lib9p_tag_t   tag;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rrename, lib9p_msg_Rrename);
+
+/* size = 11 ; max_iov = 1 ; max_copy = 11 */
+struct lib9p_msg_Treadlink {
+	lib9p_tag_t   tag;
+	lib9p_fid_t   fid;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Treadlink, lib9p_msg_Treadlink);
+
+/* size = 19 ; max_iov = 1 ; max_copy = 19 */
+struct lib9p_msg_Tgetattr {
+	lib9p_tag_t       tag;
+	lib9p_fid_t       fid;
+	lib9p_getattr_t   request_mask;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tgetattr, lib9p_msg_Tgetattr);
+
+/* size = 67 ; max_iov = 1 ; max_copy = 67 */
+struct lib9p_msg_Tsetattr {
+	lib9p_tag_t       tag;
+	lib9p_fid_t       fid;
+	lib9p_setattr_t   valid;
+	lib9p_mode_t      mode;
+	lib9p_nuid_t      uid;
+	lib9p_nuid_t      gid;
+	uint64_t          filesize;
+	uint64_t          atime_sec;
+	uint64_t          atime_nsec;
+	uint64_t          mtime_sec;
+	uint64_t          mtime_nsec;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tsetattr, lib9p_msg_Tsetattr);
+
+/* size = 7 ; max_iov = 1 ; max_copy = 7 */
+struct lib9p_msg_Rsetattr {
+	lib9p_tag_t   tag;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rsetattr, lib9p_msg_Rsetattr);
+
+/* size = 15 ; max_iov = 1 ; max_copy = 15 */
+struct lib9p_msg_Rxattrwalk {
+	lib9p_tag_t   tag;
+	uint64_t      attr_size;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rxattrwalk, lib9p_msg_Rxattrwalk);
+
+/* size = 7 ; max_iov = 1 ; max_copy = 7 */
+struct lib9p_msg_Rxattrcreate {
+	lib9p_tag_t   tag;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rxattrcreate, lib9p_msg_Rxattrcreate);
+
+/* size = 23 ; max_iov = 1 ; max_copy = 23 */
+struct lib9p_msg_Treaddir {
+	lib9p_tag_t   tag;
+	lib9p_fid_t   fid;
+	uint64_t      offset;
+	uint32_t      count;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Treaddir, lib9p_msg_Treaddir);
+
+/* min_size = 11 ; exp_size = 8,203 ; max_size = 4,294,967,306 (warning: >UINT32_MAX) ; max_iov = 2 ; max_copy = 11 */
+struct lib9p_msg_Rreaddir {
+	lib9p_tag_t               tag;
+	uint32_t                  count;
+	[[gnu::nonstring]] char  *data;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rreaddir, lib9p_msg_Rreaddir);
+
+/* size = 15 ; max_iov = 1 ; max_copy = 15 */
+struct lib9p_msg_Tfsync {
+	lib9p_tag_t   tag;
+	lib9p_fid_t   fid;
+	lib9p_b4_t    datasync;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tfsync, lib9p_msg_Tfsync);
+
+/* size = 7 ; max_iov = 1 ; max_copy = 7 */
+struct lib9p_msg_Rfsync {
+	lib9p_tag_t   tag;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rfsync, lib9p_msg_Rfsync);
+
+/* size = 8 ; max_iov = 1 ; max_copy = 8 */
+struct lib9p_msg_Rlock {
+	lib9p_tag_t           tag;
+	lib9p_lock_status_t   status;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rlock, lib9p_msg_Rlock);
+
+/* size = 7 ; max_iov = 1 ; max_copy = 7 */
+struct lib9p_msg_Rlink {
+	lib9p_tag_t   tag;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rlink, lib9p_msg_Rlink);
+
+/* size = 7 ; max_iov = 1 ; max_copy = 7 */
+struct lib9p_msg_Rrenameat {
+	lib9p_tag_t   tag;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rrenameat, lib9p_msg_Rrenameat);
+
+/* size = 7 ; max_iov = 1 ; max_copy = 7 */
+struct lib9p_msg_Runlinkat {
+	lib9p_tag_t   tag;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Runlinkat, lib9p_msg_Runlinkat);
+
+#endif /* CONFIG_9P_ENABLE_9P2000_L */
+#if CONFIG_9P_ENABLE_9P2000_e
+/* size = 15 ; max_iov = 1 ; max_copy = 15 */
+struct lib9p_msg_Tsession {
+	lib9p_tag_t   tag;
+	uint64_t      key;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tsession, lib9p_msg_Tsession);
+
+/* size = 7 ; max_iov = 1 ; max_copy = 7 */
+struct lib9p_msg_Rsession {
+	lib9p_tag_t   tag;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rsession, lib9p_msg_Rsession);
+
+/* min_size = 11 ; exp_size = 8,203 ; max_size = 4,294,967,306 (warning: >UINT32_MAX) ; max_iov = 2 ; max_copy = 11 */
+struct lib9p_msg_Rsread {
+	lib9p_tag_t               tag;
+	uint32_t                  count;
+	[[gnu::nonstring]] char  *data;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rsread, lib9p_msg_Rsread);
+
+/* size = 11 ; max_iov = 1 ; max_copy = 11 */
+struct lib9p_msg_Rswrite {
+	lib9p_tag_t   tag;
+	uint32_t      count;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rswrite, lib9p_msg_Rswrite);
+
+#endif /* CONFIG_9P_ENABLE_9P2000_e */
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+/* LIB9P_VER_9P2000    : min_size = 49 ; exp_size = 157 ; max_size = 262,189 ; max_iov = 8 ; max_copy = 49 */
+/* LIB9P_VER_9P2000_e  : min_size = 49 ; exp_size = 157 ; max_size = 262,189 ; max_iov = 8 ; max_copy = 49 */
+/* LIB9P_VER_9P2000_p9p: min_size = 49 ; exp_size = 157 ; max_size = 262,189 ; max_iov = 8 ; max_copy = 49 */
+/* LIB9P_VER_9P2000_u  : min_size = 63 ; exp_size = 198 ; max_size = 327,738 ; max_iov = 11 ; max_copy = 63 */
+struct lib9p_stat {
+	uint16_t           kern_type;
+	uint32_t           kern_dev;
+	struct lib9p_qid   file_qid;
+	lib9p_dm_t         file_mode;
+	uint32_t           file_atime;
+	uint32_t           file_mtime;
+	uint64_t           file_size;
+	struct lib9p_s     file_name;
+	struct lib9p_s     file_owner_uid;
+	struct lib9p_s     file_owner_gid;
+	struct lib9p_s     file_last_modified_uid;
+#if CONFIG_9P_ENABLE_9P2000_u
+	struct lib9p_s     file_extension;
+	lib9p_nuid_t       file_owner_n_uid;
+	lib9p_nuid_t       file_owner_n_gid;
+	lib9p_nuid_t       file_last_modified_n_uid;
+#endif /* CONFIG_9P_ENABLE_9P2000_u */
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_stat, lib9p_stat);
+
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+/* min_size = 13 ; exp_size = 40 ; max_size = 65,548 ; max_iov = 2 ; max_copy = 13 */
+struct lib9p_msg_Tversion {
+	lib9p_tag_t      tag;
+	uint32_t         max_msg_size;
+	struct lib9p_s   version;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tversion, lib9p_msg_Tversion);
+
+/* min_size = 13 ; exp_size = 40 ; max_size = 65,548 ; max_iov = 2 ; max_copy = 13 */
+struct lib9p_msg_Rversion {
+	lib9p_tag_t      tag;
+	uint32_t         max_msg_size;
+	struct lib9p_s   version;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rversion, lib9p_msg_Rversion);
+
+/* LIB9P_VER_9P2000    : min_size = 15 ; exp_size = 69 ; max_size = 131,085 ; max_iov = 4 ; max_copy = 15 */
+/* LIB9P_VER_9P2000_L  : min_size = 19 ; exp_size = 73 ; max_size = 131,089 ; max_iov = 5 ; max_copy = 19 */
+/* LIB9P_VER_9P2000_e  : min_size = 15 ; exp_size = 69 ; max_size = 131,085 ; max_iov = 4 ; max_copy = 15 */
+/* LIB9P_VER_9P2000_p9p: min_size = 15 ; exp_size = 69 ; max_size = 131,085 ; max_iov = 4 ; max_copy = 15 */
+/* LIB9P_VER_9P2000_u  : min_size = 19 ; exp_size = 73 ; max_size = 131,089 ; max_iov = 5 ; max_copy = 19 */
+struct lib9p_msg_Tauth {
+	lib9p_tag_t      tag;
+	lib9p_fid_t      afid;
+	struct lib9p_s   uname;
+	struct lib9p_s   aname;
+#if CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_u
+	lib9p_nuid_t     n_uid;
+#endif /* CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_u */
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tauth, lib9p_msg_Tauth);
+
+/* size = 20 ; max_iov = 1 ; max_copy = 20 */
+struct lib9p_msg_Rauth {
+	lib9p_tag_t        tag;
+	struct lib9p_qid   aqid;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rauth, lib9p_msg_Rauth);
+
+/* LIB9P_VER_9P2000    : min_size = 19 ; exp_size = 73 ; max_size = 131,089 ; max_iov = 4 ; max_copy = 19 */
+/* LIB9P_VER_9P2000_L  : min_size = 23 ; exp_size = 77 ; max_size = 131,093 ; max_iov = 5 ; max_copy = 23 */
+/* LIB9P_VER_9P2000_e  : min_size = 19 ; exp_size = 73 ; max_size = 131,089 ; max_iov = 4 ; max_copy = 19 */
+/* LIB9P_VER_9P2000_p9p: min_size = 19 ; exp_size = 73 ; max_size = 131,089 ; max_iov = 4 ; max_copy = 19 */
+/* LIB9P_VER_9P2000_u  : min_size = 23 ; exp_size = 77 ; max_size = 131,093 ; max_iov = 5 ; max_copy = 23 */
+struct lib9p_msg_Tattach {
+	lib9p_tag_t      tag;
+	lib9p_fid_t      fid;
+	lib9p_fid_t      afid;
+	struct lib9p_s   uname;
+	struct lib9p_s   aname;
+#if CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_u
+	lib9p_nuid_t     n_uid;
+#endif /* CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_u */
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tattach, lib9p_msg_Tattach);
+
+/* size = 20 ; max_iov = 1 ; max_copy = 20 */
+struct lib9p_msg_Rattach {
+	lib9p_tag_t        tag;
+	struct lib9p_qid   qid;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rattach, lib9p_msg_Rattach);
+
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+/* LIB9P_VER_9P2000    : min_size = 9 ; exp_size = 36 ; max_size = 65,544 ; max_iov = 2 ; max_copy = 9 */
+/* LIB9P_VER_9P2000_e  : min_size = 9 ; exp_size = 36 ; max_size = 65,544 ; max_iov = 2 ; max_copy = 9 */
+/* LIB9P_VER_9P2000_p9p: min_size = 9 ; exp_size = 36 ; max_size = 65,544 ; max_iov = 2 ; max_copy = 9 */
+/* LIB9P_VER_9P2000_u  : min_size = 13 ; exp_size = 40 ; max_size = 65,548 ; max_iov = 3 ; max_copy = 13 */
+struct lib9p_msg_Rerror {
+	lib9p_tag_t      tag;
+	struct lib9p_s   errstr;
+#if CONFIG_9P_ENABLE_9P2000_u
+	lib9p_errno_t    errnum;
+#endif /* CONFIG_9P_ENABLE_9P2000_u */
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rerror, lib9p_msg_Rerror);
+
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+/* min_size = 17 ; exp_size = 481 ; max_size = 1,048,609 ; max_iov = 32 ; max_copy = 49 */
+struct lib9p_msg_Twalk {
+	lib9p_tag_t      tag;
+	lib9p_fid_t      fid;
+	lib9p_fid_t      newfid;
+	uint16_t         nwname;
+	struct lib9p_s  *wname;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Twalk, lib9p_msg_Twalk);
+
+/* min_size = 9 ; exp_size = 217 ; max_size = 217 ; max_iov = 1 ; max_copy = 217 */
+struct lib9p_msg_Rwalk {
+	lib9p_tag_t        tag;
+	uint16_t           nwqid;
+	struct lib9p_qid  *wqid;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rwalk, lib9p_msg_Rwalk);
+
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+/* size = 24 ; max_iov = 1 ; max_copy = 24 */
+struct lib9p_msg_Ropen {
+	lib9p_tag_t        tag;
+	struct lib9p_qid   qid;
+	uint32_t           iounit;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Ropen, lib9p_msg_Ropen);
+
+/* min_size = 18 ; exp_size = 45 ; max_size = 65,553 ; max_iov = 3 ; max_copy = 18 */
+struct lib9p_msg_Tcreate {
+	lib9p_tag_t      tag;
+	lib9p_fid_t      fid;
+	struct lib9p_s   name;
+	lib9p_dm_t       perm;
+	lib9p_o_t        mode;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tcreate, lib9p_msg_Tcreate);
+
+/* size = 24 ; max_iov = 1 ; max_copy = 24 */
+struct lib9p_msg_Rcreate {
+	lib9p_tag_t        tag;
+	struct lib9p_qid   qid;
+	uint32_t           iounit;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rcreate, lib9p_msg_Rcreate);
+
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000_p9p
+/* size = 28 ; max_iov = 1 ; max_copy = 28 */
+struct lib9p_msg_Ropenfd {
+	lib9p_tag_t        tag;
+	struct lib9p_qid   qid;
+	uint32_t           iounit;
+	uint32_t           unixfd;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Ropenfd, lib9p_msg_Ropenfd);
+
+#endif /* CONFIG_9P_ENABLE_9P2000_p9p */
+#if CONFIG_9P_ENABLE_9P2000_L
+/* size = 24 ; max_iov = 1 ; max_copy = 24 */
+struct lib9p_msg_Rlopen {
+	lib9p_tag_t        tag;
+	struct lib9p_qid   qid;
+	uint32_t           iounit;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rlopen, lib9p_msg_Rlopen);
+
+/* min_size = 25 ; exp_size = 52 ; max_size = 65,560 ; max_iov = 3 ; max_copy = 25 */
+struct lib9p_msg_Tlcreate {
+	lib9p_tag_t      tag;
+	lib9p_fid_t      fid;
+	struct lib9p_s   name;
+	lib9p_lo_t       flags;
+	lib9p_mode_t     mode;
+	lib9p_nuid_t     gid;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tlcreate, lib9p_msg_Tlcreate);
+
+/* size = 24 ; max_iov = 1 ; max_copy = 24 */
+struct lib9p_msg_Rlcreate {
+	lib9p_tag_t        tag;
+	struct lib9p_qid   qid;
+	uint32_t           iounit;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rlcreate, lib9p_msg_Rlcreate);
+
+/* min_size = 19 ; exp_size = 73 ; max_size = 131,089 ; max_iov = 5 ; max_copy = 19 */
+struct lib9p_msg_Tsymlink {
+	lib9p_tag_t      tag;
+	lib9p_fid_t      fid;
+	struct lib9p_s   name;
+	struct lib9p_s   symtgt;
+	lib9p_nuid_t     gid;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tsymlink, lib9p_msg_Tsymlink);
+
+/* size = 20 ; max_iov = 1 ; max_copy = 20 */
+struct lib9p_msg_Rsymlink {
+	lib9p_tag_t        tag;
+	struct lib9p_qid   qid;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rsymlink, lib9p_msg_Rsymlink);
+
+/* min_size = 29 ; exp_size = 56 ; max_size = 65,564 ; max_iov = 3 ; max_copy = 29 */
+struct lib9p_msg_Tmknod {
+	lib9p_tag_t      tag;
+	lib9p_fid_t      dfid;
+	struct lib9p_s   name;
+	lib9p_mode_t     mode;
+	uint32_t         major;
+	uint32_t         minor;
+	lib9p_nuid_t     gid;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tmknod, lib9p_msg_Tmknod);
+
+/* size = 20 ; max_iov = 1 ; max_copy = 20 */
+struct lib9p_msg_Rmknod {
+	lib9p_tag_t        tag;
+	struct lib9p_qid   qid;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rmknod, lib9p_msg_Rmknod);
+
+/* min_size = 17 ; exp_size = 44 ; max_size = 65,552 ; max_iov = 2 ; max_copy = 17 */
+struct lib9p_msg_Trename {
+	lib9p_tag_t      tag;
+	lib9p_fid_t      fid;
+	lib9p_fid_t      dfid;
+	struct lib9p_s   name;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Trename, lib9p_msg_Trename);
+
+/* min_size = 9 ; exp_size = 36 ; max_size = 65,544 ; max_iov = 2 ; max_copy = 9 */
+struct lib9p_msg_Rreadlink {
+	lib9p_tag_t      tag;
+	struct lib9p_s   target;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rreadlink, lib9p_msg_Rreadlink);
+
+/* size = 160 ; max_iov = 1 ; max_copy = 160 */
+struct lib9p_msg_Rgetattr {
+	lib9p_tag_t        tag;
+	lib9p_getattr_t    valid;
+	struct lib9p_qid   qid;
+	lib9p_mode_t       mode;
+	lib9p_nuid_t       uid;
+	lib9p_nuid_t       gid;
+	uint64_t           nlink;
+	uint64_t           rdev;
+	uint64_t           filesize;
+	uint64_t           blksize;
+	uint64_t           blocks;
+	uint64_t           atime_sec;
+	uint64_t           atime_nsec;
+	uint64_t           mtime_sec;
+	uint64_t           mtime_nsec;
+	uint64_t           ctime_sec;
+	uint64_t           ctime_nsec;
+	uint64_t           btime_sec;
+	uint64_t           btime_nsec;
+	uint64_t           gen;
+	uint64_t           data_version;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rgetattr, lib9p_msg_Rgetattr);
+
+/* min_size = 17 ; exp_size = 44 ; max_size = 65,552 ; max_iov = 2 ; max_copy = 17 */
+struct lib9p_msg_Txattrwalk {
+	lib9p_tag_t      tag;
+	lib9p_fid_t      fid;
+	lib9p_fid_t      newfid;
+	struct lib9p_s   name;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Txattrwalk, lib9p_msg_Txattrwalk);
+
+/* min_size = 25 ; exp_size = 52 ; max_size = 65,560 ; max_iov = 3 ; max_copy = 25 */
+struct lib9p_msg_Txattrcreate {
+	lib9p_tag_t      tag;
+	lib9p_fid_t      fid;
+	struct lib9p_s   name;
+	uint64_t         attr_size;
+	uint32_t         flags;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Txattrcreate, lib9p_msg_Txattrcreate);
+
+/* min_size = 38 ; exp_size = 65 ; max_size = 65,573 ; max_iov = 2 ; max_copy = 38 */
+struct lib9p_msg_Tlock {
+	lib9p_tag_t          tag;
+	lib9p_fid_t          fid;
+	lib9p_lock_type_t    type;
+	lib9p_lock_flags_t   flags;
+	uint64_t             start;
+	uint64_t             length;
+	uint32_t             proc_id;
+	struct lib9p_s       client_id;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tlock, lib9p_msg_Tlock);
+
+/* min_size = 34 ; exp_size = 61 ; max_size = 65,569 ; max_iov = 2 ; max_copy = 34 */
+struct lib9p_msg_Tgetlock {
+	lib9p_tag_t         tag;
+	lib9p_fid_t         fid;
+	lib9p_lock_type_t   type;
+	uint64_t            start;
+	uint64_t            length;
+	uint32_t            proc_id;
+	struct lib9p_s      client_id;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tgetlock, lib9p_msg_Tgetlock);
+
+/* min_size = 30 ; exp_size = 57 ; max_size = 65,565 ; max_iov = 2 ; max_copy = 30 */
+struct lib9p_msg_Rgetlock {
+	lib9p_tag_t         tag;
+	lib9p_lock_type_t   type;
+	uint64_t            start;
+	uint64_t            length;
+	uint32_t            proc_id;
+	struct lib9p_s      client_id;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rgetlock, lib9p_msg_Rgetlock);
+
+/* min_size = 17 ; exp_size = 44 ; max_size = 65,552 ; max_iov = 2 ; max_copy = 17 */
+struct lib9p_msg_Tlink {
+	lib9p_tag_t      tag;
+	lib9p_fid_t      dfid;
+	lib9p_fid_t      fid;
+	struct lib9p_s   name;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tlink, lib9p_msg_Tlink);
+
+/* min_size = 21 ; exp_size = 48 ; max_size = 65,556 ; max_iov = 3 ; max_copy = 21 */
+struct lib9p_msg_Tmkdir {
+	lib9p_tag_t      tag;
+	lib9p_fid_t      dfid;
+	struct lib9p_s   name;
+	lib9p_mode_t     mode;
+	lib9p_nuid_t     gid;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tmkdir, lib9p_msg_Tmkdir);
+
+/* size = 20 ; max_iov = 1 ; max_copy = 20 */
+struct lib9p_msg_Rmkdir {
+	lib9p_tag_t        tag;
+	struct lib9p_qid   qid;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rmkdir, lib9p_msg_Rmkdir);
+
+/* min_size = 19 ; exp_size = 73 ; max_size = 131,089 ; max_iov = 4 ; max_copy = 19 */
+struct lib9p_msg_Trenameat {
+	lib9p_tag_t      tag;
+	lib9p_fid_t      olddirfid;
+	struct lib9p_s   oldname;
+	lib9p_fid_t      newdirfid;
+	struct lib9p_s   newname;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Trenameat, lib9p_msg_Trenameat);
+
+/* min_size = 17 ; exp_size = 44 ; max_size = 65,552 ; max_iov = 3 ; max_copy = 17 */
+struct lib9p_msg_Tunlinkat {
+	lib9p_tag_t      tag;
+	lib9p_fid_t      dirfd;
+	struct lib9p_s   name;
+	uint32_t         flags;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tunlinkat, lib9p_msg_Tunlinkat);
+
+#endif /* CONFIG_9P_ENABLE_9P2000_L */
+#if CONFIG_9P_ENABLE_9P2000_e
+/* min_size = 13 ; exp_size = 477 ; max_size = 4,294,967,308 (warning: >UINT32_MAX) ; max_iov = 0 + (CONFIG_9P_MAX_9P2000_e_WELEM * 2) ; max_copy = 13 + (CONFIG_9P_MAX_9P2000_e_WELEM * 2) */
+struct lib9p_msg_Tsread {
+	lib9p_tag_t      tag;
+	uint32_t         fid;
+	uint16_t         nwname;
+	struct lib9p_s  *wname;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tsread, lib9p_msg_Tsread);
+
+/* min_size = 17 ; exp_size = 8,673 ; max_size = 8,589,934,607 (warning: >UINT32_MAX) ; max_iov = 2 + (CONFIG_9P_MAX_9P2000_e_WELEM * 2) ; max_copy = 17 + (CONFIG_9P_MAX_9P2000_e_WELEM * 2) */
+struct lib9p_msg_Tswrite {
+	lib9p_tag_t               tag;
+	uint32_t                  fid;
+	uint16_t                  nwname;
+	struct lib9p_s           *wname;
+	uint32_t                  count;
+	[[gnu::nonstring]] char  *data;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Tswrite, lib9p_msg_Tswrite);
+
+#endif /* CONFIG_9P_ENABLE_9P2000_e */
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+/* LIB9P_VER_9P2000    : min_size = 58 ; exp_size = 166 ; max_size = 262,198 ; max_iov = 8 ; max_copy = 58 */
+/* LIB9P_VER_9P2000_e  : min_size = 58 ; exp_size = 166 ; max_size = 262,198 ; max_iov = 8 ; max_copy = 58 */
+/* LIB9P_VER_9P2000_p9p: min_size = 58 ; exp_size = 166 ; max_size = 262,198 ; max_iov = 8 ; max_copy = 58 */
+/* LIB9P_VER_9P2000_u  : min_size = 72 ; exp_size = 207 ; max_size = 327,747 ; max_iov = 11 ; max_copy = 72 */
+struct lib9p_msg_Rstat {
+	lib9p_tag_t         tag;
+	struct lib9p_stat   stat;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Rstat, lib9p_msg_Rstat);
+
+/* LIB9P_VER_9P2000    : min_size = 62 ; exp_size = 170 ; max_size = 262,202 ; max_iov = 8 ; max_copy = 62 */
+/* LIB9P_VER_9P2000_e  : min_size = 62 ; exp_size = 170 ; max_size = 262,202 ; max_iov = 8 ; max_copy = 62 */
+/* LIB9P_VER_9P2000_p9p: min_size = 62 ; exp_size = 170 ; max_size = 262,202 ; max_iov = 8 ; max_copy = 62 */
+/* LIB9P_VER_9P2000_u  : min_size = 76 ; exp_size = 211 ; max_size = 327,751 ; max_iov = 11 ; max_copy = 76 */
+struct lib9p_msg_Twstat {
+	lib9p_tag_t         tag;
+	lib9p_fid_t         fid;
+	struct lib9p_stat   stat;
+};
+LO_IMPLEMENTATION_H(fmt_formatter, struct lib9p_msg_Twstat, lib9p_msg_Twstat);
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+
+/* containers *****************************************************************/
+
+#define _LIB9P_MAX(a, b) ((a) > (b)) ? (a) : (b)
+
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+	#if CONFIG_9P_ENABLE_9P2000_e
+		#define LIB9P_TMSG_MAX_IOV _LIB9P_MAX(32, 2 + (CONFIG_9P_MAX_9P2000_e_WELEM * 2))
+	#else
+		#define LIB9P_TMSG_MAX_IOV 32
+	#endif
+#endif
+
+#if CONFIG_9P_ENABLE_9P2000_u
+	#if CONFIG_9P_ENABLE_9P2000_e
+		#define LIB9P_TMSG_MAX_COPY _LIB9P_MAX(76, 17 + (CONFIG_9P_MAX_9P2000_e_WELEM * 2))
+	#else
+		#define LIB9P_TMSG_MAX_COPY 76
+	#endif
+#elif CONFIG_9P_ENABLE_9P2000_L
+	#if CONFIG_9P_ENABLE_9P2000_e
+		#define LIB9P_TMSG_MAX_COPY _LIB9P_MAX(67, 17 + (CONFIG_9P_MAX_9P2000_e_WELEM * 2))
+	#else
+		#define LIB9P_TMSG_MAX_COPY 67
+	#endif
+#elif CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p
+	#if CONFIG_9P_ENABLE_9P2000_e
+		#define LIB9P_TMSG_MAX_COPY _LIB9P_MAX(62, 17 + (CONFIG_9P_MAX_9P2000_e_WELEM * 2))
+	#else
+		#define LIB9P_TMSG_MAX_COPY 62
+	#endif
+#endif
+
+#if CONFIG_9P_ENABLE_9P2000_u
+	#define LIB9P_RMSG_MAX_IOV 11
+#elif CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p
+	#define LIB9P_RMSG_MAX_IOV 8
+#elif CONFIG_9P_ENABLE_9P2000_L
+	#define LIB9P_RMSG_MAX_IOV 2
+#endif
+
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+	#define LIB9P_RMSG_MAX_COPY 217
+#endif
+
+struct lib9p_Tmsg_send_buf {
+	size_t          iov_cnt;
+	struct iovec    iov[LIB9P_TMSG_MAX_IOV];
+	uint8_t         copied[LIB9P_TMSG_MAX_COPY];
+};
+
+struct lib9p_Rmsg_send_buf {
+	size_t          iov_cnt;
+	struct iovec    iov[LIB9P_RMSG_MAX_IOV];
+	uint8_t         copied[LIB9P_RMSG_MAX_COPY];
+};
diff --git a/lib9p/core_include/lib9p/core.h b/lib9p/core_include/lib9p/core.h
new file mode 100644
index 0000000..ff822ed
--- /dev/null
+++ b/lib9p/core_include/lib9p/core.h
@@ -0,0 +1,205 @@
+/* lib9p/core.h - Base 9P protocol definitions for both clients and servers
+ *
+ * Copyright (C) 2024-2025  Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#ifndef _LIB9P_CORE_H_
+#define _LIB9P_CORE_H_
+
+#include <stdbool.h>
+#include <sys/types.h> /* for ssize_t */
+
+#include <libmisc/assert.h>
+
+#include <lib9p/_core_generated.h>
+
+#ifndef CONFIG_9P_MAX_ERR_SIZE
+	#error config.h must define CONFIG_9P_MAX_ERR_SIZE
+#endif
+static_assert(CONFIG_9P_MAX_ERR_SIZE <= UINT16_MAX);
+
+/* constants ******************************************************************/
+
+enum {
+	LIB9P_DEFAULT_PORT_9FS   =  564,
+	LIB9P_DEFAULT_PORT_STYX  = 6666,
+};
+
+/* strings ********************************************************************/
+
+const char *lib9p_version_str(enum lib9p_version);
+const char *lib9p_msgtype_str(enum lib9p_version, enum lib9p_msg_type);
+
+struct lib9p_s lib9p_str(char *s);
+struct lib9p_s lib9p_strn(char *s, size_t maxlen);
+struct lib9p_s lib9p_str_slice(struct lib9p_s s, uint16_t beg, uint16_t end);
+#define lib9p_str_sliceleft(s, beg) lib9p_str_slice(s, beg, (s).len)
+bool lib9p_str_eq(struct lib9p_s a, struct lib9p_s b);
+
+/* ctx ************************************************************************/
+
+struct lib9p_ctx {
+	/* negotiated */
+	enum lib9p_version      version;
+	uint32_t                max_msg_size;
+
+	/* state */
+#ifdef CONFIG_9P_ENABLE_9P2000_u
+	lib9p_errno_t           err_num;
+#endif
+	[[gnu::nonstring]] char err_msg[CONFIG_9P_MAX_ERR_SIZE];
+};
+
+void lib9p_ctx_clear_error(struct lib9p_ctx *ctx);
+
+bool lib9p_ctx_has_error(struct lib9p_ctx *ctx);
+
+/** Write an static error into ctx, return -1.  */
+int lib9p_error(struct lib9p_ctx *ctx, lib9p_errno_t linux_errno, char const *msg);
+/** Write a printf-style error into ctx, return -1.  */
+int lib9p_errorf(struct lib9p_ctx *ctx, lib9p_errno_t linux_errno, char const *fmt, ...) [[gnu::format(printf, 3, 4)]];
+
+/* misc utilities *************************************************************/
+
+uint32_t lib9p_version_min_msg_size(enum lib9p_version);
+
+lo_interface fmt_formatter lo_box_lib9p_msg_as_fmt_formatter(struct lib9p_ctx *ctx, enum lib9p_msg_type typ, void *body);
+
+/* main T-message functions ***************************************************/
+
+/**
+ * Validate a message's structure; its size, string encodings, enums,
+ * and bitfields.
+ *
+ * Return how much space the message will take when unmarshaled.  This
+ * number may be larger than net_bytes due to (1) struct padding, (2)
+ * array pointers.
+ *
+ * Emits an error (return -1, set ctx->err_num and ctx->err_msg) if
+ * either the message type is unknown, or if net_bytes is too short
+ * for that message type, or if an invalid string (invalid UTF-8,
+ * contains a nul-byte) is encountered.
+ *
+ * @param net_bytes : the complete request, starting with the "size[4]"
+ *
+ * @return required size, or -1 on error
+ *
+ * @errno L_EOPNOTSUPP: message is an R-message
+ * @errno L_EOPNOTSUPP: message has unknown type
+ * @errno L_EBADMSG: message is wrong size for content
+ * @errno L_EBADMSG: message contains invalid UTF-8
+ * @errno L_EBADMSG: message contains a bitfield with unknown bits
+ * @errno L_EMSGSIZE: would-be return value overflows SSIZE_MAX
+ */
+ssize_t lib9p_Tmsg_validate(struct lib9p_ctx *ctx, uint8_t *net_bytes);
+
+/**
+ * Unmarshal the 9P message `net_bytes` into the C struct `ret_body`.
+ *
+ * lib9p_Tmsg_unmarshal does no validation; you must run
+ * lib9p_Tmsg_validate() first.
+ *
+ * @param ctx : negotiated protocol parameters
+ * @param net_bytes : the complete message, starting with the "size[4]"
+ *
+ * @return ret_typ : the mesage type
+ * @return ret_body : the message body, must be at least lib9p_Tmsg_validate() bytes
+ */
+void lib9p_Tmsg_unmarshal(struct lib9p_ctx *ctx, uint8_t *net_bytes,
+                          enum lib9p_msg_type *ret_typ, void *ret_body);
+
+/**
+ * Marshal a `struct lib9p_msg_{typ}` structure into a byte-array.
+ *
+ * lib9p_Tmsg_marshal does no validation; it trusts that the
+ * programmer won't give it garbage input.  However, just as it
+ * doesn't marshal struct fields that aren't in ctx->version, it won't
+ * marshal bitfield bits that aren't in ctx->version; it applies a
+ * version-specific mask to bitfields.
+ *
+ * @param ctx : negotiated protocol parameters, where to record errors
+ * @param typ : the message type
+ * @param msg : the message to encode
+ *
+ * @return ret_bytes : the buffer to encode to, must be at be at least ctx->max_msg_size bytes
+ * @return whether there was an error (false=success, true=error)
+ *
+ * @errno L_ERANGE: reply does not fit in ctx->max_msg_size
+ */
+bool lib9p_Tmsg_marshal(struct lib9p_ctx *ctx, enum lib9p_msg_type typ, void *body,
+                        struct lib9p_Tmsg_send_buf *ret);
+
+/* main R-message functions ***************************************************/
+
+/** Same as above, but for R-messages instead of T-messages.  */
+
+ssize_t lib9p_Rmsg_validate(struct lib9p_ctx *ctx, uint8_t *net_bytes);
+void lib9p_Rmsg_unmarshal(struct lib9p_ctx *ctx, uint8_t *net_bytes,
+                          enum lib9p_msg_type *ret_typ, void *ret_body);
+bool lib9p_Rmsg_marshal(struct lib9p_ctx *ctx, enum lib9p_msg_type typ, void *body,
+                        struct lib9p_Rmsg_send_buf *ret);
+
+
+/* `struct lib9p_stat` helpers ************************************************/
+
+/** Assert that a `struct lib9p_stat` object looks valid.  */
+static inline void lib9p_stat_assert(struct lib9p_stat stat) {
+	assert( ((bool)(stat.file_mode & LIB9P_DM_DIR   )) == ((bool)(stat.file_qid.type & LIB9P_QT_DIR   )) );
+	assert( ((bool)(stat.file_mode & LIB9P_DM_APPEND)) == ((bool)(stat.file_qid.type & LIB9P_QT_APPEND)) );
+	assert( ((bool)(stat.file_mode & LIB9P_DM_EXCL  )) == ((bool)(stat.file_qid.type & LIB9P_QT_EXCL  )) );
+	assert( ((bool)(stat.file_mode & LIB9P_DM_AUTH  )) == ((bool)(stat.file_qid.type & LIB9P_QT_AUTH  )) );
+	assert( ((bool)(stat.file_mode & LIB9P_DM_TMP   )) == ((bool)(stat.file_qid.type & LIB9P_QT_TMP   )) );
+	assert( (stat.file_size == 0) || !(stat.file_mode & LIB9P_DM_DIR) );
+}
+
+/**
+ * Validate a message's `stat` structure.
+ *
+ * @param ctx : negotiated protocol parameters, where to record errors
+ * @param net_bytes : network-encoded stat structure
+ * @param net_size : the number of net_bytes that may be read
+ *
+ * @return ret_net_size : number of bytes consumed; <=net_size
+ * @return ret_host_size : number of bytes that lib9p_stat_unmarshal would take
+ * @return whether there was an error
+ */
+bool lib9p_stat_validate(struct lib9p_ctx *ctx, uint32_t net_size, uint8_t *net_bytes,
+                         uint32_t *ret_net_size, size_t *ret_host_size);
+
+/**
+ * Unmarshal the 9P `net_bytes` into the C struct `ret_obj`.
+ *
+ * lib9p_stat_unmarshal does no validation; you must run
+ * lib9p_stat_validate() first.
+ *
+ * @param ctx : negotiated protocol parameters
+ * @param net_bytes : network-encoded stat structure
+ *
+ * @return ret : the stat object, must be at least lib9p_stat_validate()->ret_net_size bytes
+ */
+void lib9p_stat_unmarshal(struct lib9p_ctx *ctx, uint8_t *net_bytes,
+                          struct lib9p_stat *ret);
+
+/**
+ * Marhsal a `struct lib9p_stat` structure into a byte-array.
+ *
+ * lib9p_Tmsg_marshal does no validation; it trusts that the
+ * programmer won't give it garbage input.  However, just as it
+ * doesn't marshal struct fields that aren't in ctx->version, it won't
+ * marshal bitfield bits that aren't in ctx->version; it applies a
+ * version-specific mask to bitfields.
+ *
+ * @param ctx : negotiated protocol parameters, where to record errors
+ * @param max_net_size : the maximum network-encoded size to allow
+ * @param obj : the message to encode
+ *
+ * @return ret_bytes: the buffer to encode into
+ * @return the number of bytes written, or 0 if the stat object does not fit in max_net_size
+ *
+ * @errno L_ERANGE: reply does not fit in max_net_size
+ */
+uint32_t lib9p_stat_marshal(struct lib9p_ctx *ctx, uint32_t max_net_size, struct lib9p_stat *obj,
+                            uint8_t *ret_bytes);
+
+#endif /* _LIB9P_CORE_H_ */