/* * messages.h: * This file defines the message types for the * trace messages. Also defines the constants for * file system operations. */ #ifndef __MESSAGES_H #define __MESSAGES_H typedef unsigned short msg_len_t; /* length field in trace message */ typedef unsigned short field_len_t; /* length field in argument */ typedef unsigned short field_t; /* field type */ #define FIELD_LENGTH_MASK (1 << (sizeof(field_t) * 8 - 2)) typedef unsigned short op_t; /* operation type */ #define AGSOP_BASE 0 /*NFSv2 ops*/ #define AGSOP_NULL (AGSOP_BASE + 0) #define AGSOP_GETATTR (AGSOP_BASE + 1) #define AGSOP_SETATTR (AGSOP_BASE + 2) #define AGSOP_LOOKUP (AGSOP_BASE + 3) #define AGSOP_READLINK (AGSOP_BASE + 4) #define AGSOP_READ (AGSOP_BASE + 5) #define AGSOP_WRITE (AGSOP_BASE + 6) #define AGSOP_CREATE (AGSOP_BASE + 7) #define AGSOP_REMOVE (AGSOP_BASE + 8) #define AGSOP_RENAME (AGSOP_BASE + 9) #define AGSOP_LINK (AGSOP_BASE + 10) #define AGSOP_SYMLINK (AGSOP_BASE + 11) #define AGSOP_MKDIR (AGSOP_BASE + 12) #define AGSOP_RMDIR (AGSOP_BASE + 12) #define AGSOP_READDIR (AGSOP_BASE + 13) #define AGSOP_STATFS (AGSOP_BASE + 14) /*NFSv3 ops*/ #define AGSOP_ACCESS (AGSOP_BASE + 15) #define AGSOP_MKNOD (AGSOP_BASE + 16) #define AGSOP_READDIRPLUS (AGSOP_BASE + 17) #define AGSOP_FSSTAT (AGSOP_BASE + 18) #define AGSOP_FSINFO (AGSOP_BASE + 19) #define AGSOP_PATHCONF (AGSOP_BASE + 20) #define AGSOP_COMMIT (AGSOP_BASE + 21) /*other*/ #define AGSOP_OPEN (AGSOP_BASE + 22) #define AGSOP_RELEASE (AGSOP_BASE + 23) #define AGSOP_LLSEEK (AGSOP_BASE + 24) #define AGSOP_MAX 25 /* all pre ops have same value as the AGSOP_ value */ #define POST_AGSOP_BIT (1 << (8 * sizeof(op_t) - 1)) static inline op_t pre_op(op_t op) { return op; } static inline op_t post_op(op_t op) { return (op |= POST_AGSOP_BIT); } #define IS_POST_OP(op) ((op) & POST_AGSOP_BIT) #define GET_OP(op) (IS_POST_OP((op)) ? ((op) & ~POST_AGSOP_BIT) : (op)) /* base value for non file op messages */ #define MSG_META_BASE (1 << (8 * sizeof(op_t) - 2)) #define MSG_START (MSG_META_BASE + 0) #define MSG_STOP (MSG_META_BASE + 1) #define MSG_PNAME (MSG_META_BASE + 2) #define MSG_SYSCALL (MSG_META_BASE + 3) /* common arguments */ /* all type length value type arguments are encoded with last but one bit * set enabled. Since we're using short, this would mean an OR operation with * 0x4000. Make sure that the values of arguments are all < 0x4000, that is, * with the range of 0 - 16383 inclusive */ #define ARG_INVAL 0 #define ARG_PATHNAME 1 #define ARG_TIMESTAMP 2 #define ARG_UTIMESTAMP 3 #define ARG_INUM 4 #define ARG_INT_FLAGS 5 #define ARG_LOFFSET 6 #define ARG_IATTR 7 #define ARG_REQUESTED_SIZE 8 #define ARG_DATA 9 #define ARG_FD 10 #define ARG_UID 11 #define ARG_GID 12 #define ARG_RET 13 #define ARG_MSG_DESC 14 #define ARG_MSG_ID 15 #define ARG_CHILD_INUM 16 #define ARG_PID 17 #define ARG_FIELD_ID 18 #define ARG_FIELD_LEN 19 #define ARG_FIELD_DESC 20 #define ARG_PNAME 21 // uname(2) fields #define ARG_SYSNAME 22 #define ARG_RELEASE 23 #define ARG_VERSION 24 #define ARG_MACHINE 25 // for link #define ARG_NEW_PATHNAME 26 #define ARG_DIR_INUM 27 // system call ID #define ARG_SYSCALL 28 #define ARG_SYSCALL_NAME 29 // for calls with two inodes, dentries #define ARG_NEW_INUM 30 // general string #define ARG_STR 31 // general unsigned long (size_t) #define ARG_ULONG 32 // for checksum #define ARG_CKSUM 33 // These are for replaying, will not be in the original trace file #define ARG_INODE 34 #define ARG_DENTRY 35 #define ARG_FILE 36 #define ARG_VFSMNT 37 // more fields #define ARG_DENTRY_PTR 38 #define ARG_INODE_PTR 39 #define ARG_FILE_PTR 40 #define ARG_FILE_FLAGS 41 // needed with ops where we need to have more than one object of a type. #define ARG_NEW_DENTRY_PTR 42 #define ARG_NEW_INODE_PTR 43 // page-based ops #define ARG_PAGE_INDEX 44 #define ARG_WRITE_FROM 45 #define ARG_WRITE_TO 46 // #define ARG_UULONG 47 /* Non kernel stuff, used by the user level trace parsing library */ //#ifndef __KERNEL__ #define MSG_ENTRY(M) { M, #M } struct msg_desc_t { op_t msg_type; char *str_type; }; struct arg_desc_t { field_t arg_type; char* str_type; field_len_t size; }; #ifdef NEED_DESCRIPTIVE_MESSAGES struct msg_desc_t msg_desc[] = { MSG_ENTRY(AGSOP_NULL), MSG_ENTRY(AGSOP_GETATTR), MSG_ENTRY(AGSOP_SETATTR), MSG_ENTRY(AGSOP_LOOKUP), MSG_ENTRY(AGSOP_READLINK), MSG_ENTRY(AGSOP_READ), MSG_ENTRY(AGSOP_WRITE), MSG_ENTRY(AGSOP_CREATE), MSG_ENTRY(AGSOP_REMOVE), MSG_ENTRY(AGSOP_RENAME), MSG_ENTRY(AGSOP_LINK), MSG_ENTRY(AGSOP_SYMLINK), MSG_ENTRY(AGSOP_MKDIR), MSG_ENTRY(AGSOP_RMDIR), MSG_ENTRY(AGSOP_READDIR), MSG_ENTRY(AGSOP_STATFS), MSG_ENTRY(AGSOP_ACCESS), MSG_ENTRY(AGSOP_MKNOD), MSG_ENTRY(AGSOP_READDIRPLUS), MSG_ENTRY(AGSOP_FSSTAT), MSG_ENTRY(AGSOP_FSINFO), MSG_ENTRY(AGSOP_PATHCONF), MSG_ENTRY(AGSOP_COMMIT), MSG_ENTRY(AGSOP_OPEN), MSG_ENTRY(AGSOP_RELEASE), MSG_ENTRY(AGSOP_LLSEEK), { -1, NULL } }; /* * variable length args are put in this structure with zero length * because we don't look into this array for the length field */ #define ARG_ENTRY(M, S) { M, #M, S } struct arg_desc_t arg_desc[] = { ARG_ENTRY(ARG_PATHNAME, 0), ARG_ENTRY(ARG_TIMESTAMP, sizeof(int)), ARG_ENTRY(ARG_UTIMESTAMP, 2 * sizeof(int)), ARG_ENTRY(ARG_INUM, sizeof(int)), ARG_ENTRY(ARG_INT_FLAGS, sizeof(int)), ARG_ENTRY(ARG_LOFFSET, sizeof(loff_t)), ARG_ENTRY(ARG_IATTR, 0), ARG_ENTRY(ARG_REQUESTED_SIZE, sizeof(int)), ARG_ENTRY(ARG_DATA, 0), ARG_ENTRY(ARG_FD, sizeof(int)), ARG_ENTRY(ARG_UID, sizeof(uid_t)), ARG_ENTRY(ARG_GID, sizeof(uid_t)), ARG_ENTRY(ARG_RET, sizeof(int)), ARG_ENTRY(ARG_MSG_DESC, 0), ARG_ENTRY(ARG_MSG_ID, sizeof(op_t)), ARG_ENTRY(ARG_CHILD_INUM, sizeof(int)), ARG_ENTRY(ARG_PID, sizeof(pid_t)), ARG_ENTRY(ARG_FIELD_ID, sizeof(field_t)), ARG_ENTRY(ARG_FIELD_LEN, sizeof(field_len_t)), ARG_ENTRY(ARG_FIELD_DESC, 0), ARG_ENTRY(ARG_PNAME, 0), ARG_ENTRY(ARG_SYSNAME, 0), ARG_ENTRY(ARG_RELEASE, 0), ARG_ENTRY(ARG_VERSION, 0), ARG_ENTRY(ARG_MACHINE, 0), ARG_ENTRY(ARG_NEW_PATHNAME, 0), ARG_ENTRY(ARG_DIR_INUM, 0), ARG_ENTRY(ARG_SYSCALL, sizeof(unsigned short)), ARG_ENTRY(ARG_SYSCALL_NAME, 0), ARG_ENTRY(ARG_NEW_INUM, sizeof(int)), ARG_ENTRY(ARG_STR, 0), ARG_ENTRY(ARG_ULONG, sizeof(unsigned long)), ARG_ENTRY(ARG_CKSUM, 0), ARG_ENTRY(ARG_DENTRY_PTR, sizeof(int)), ARG_ENTRY(ARG_NEW_DENTRY_PTR, sizeof(int)), ARG_ENTRY(ARG_FILE_PTR, sizeof(int)), ARG_ENTRY(ARG_INODE_PTR, sizeof(int)), ARG_ENTRY(ARG_NEW_INODE_PTR, sizeof(int)), ARG_ENTRY(ARG_FILE_FLAGS, sizeof(int)), ARG_ENTRY(ARG_PAGE_INDEX, sizeof(int)), ARG_ENTRY(ARG_WRITE_FROM, sizeof(int)), ARG_ENTRY(ARG_WRITE_TO, sizeof(int)), ARG_ENTRY(ARG_UULONG, sizeof(unsigned long long)), { -1, NULL, 0} }; #else extern struct msg_desc_t msg_desc[]; extern struct arg_desc_t arg_desc[]; #endif //#endif /* !__ KERNEL__ */ #endif /* __MESSAGES_H */