1 /* Part of libhgfs - (c) 2009, D.C. van Moolenbroek */ 2 3 /* Various macros used here and there */ 4 #define MAKELONG(a,b) ((a) | ((b) << 16)) 5 #define HIWORD(d) ((d) >> 16) 6 #define LOWORD(d) ((d) & 0xffff) 7 #define BYTES(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24)) 8 9 /* Valid channel types for channel_open() */ 10 #define CH_IN BYTES('T', 'C', 'L', 'O') 11 #define CH_OUT BYTES('R', 'P', 'C', 'I') 12 13 /* RPC constants */ 14 #define RPC_BUF_SIZE 6134 /* max size of RPC request */ 15 #define RPC_HDR_SIZE 10 /* RPC HGFS header size */ 16 17 /* RPC macros. These NEED NOT be portable. VMware only does x86(-64) anyway. */ 18 /* ..all this because ACK can't pack structures :( */ 19 #define RPC_NEXT8 *(((u8_t*)(++rpc_ptr))-1) /* get/set next byte */ 20 #define RPC_NEXT16 *(((u16_t*)(rpc_ptr+=2))-1) /* get/set next short */ 21 #define RPC_NEXT32 *(((u32_t*)(rpc_ptr+=4))-1) /* get/set next long */ 22 #define RPC_LEN (rpc_ptr - rpc_buf) /* request length thus far */ 23 #define RPC_ADVANCE(n) rpc_ptr += n /* skip n bytes in buffer */ 24 #define RPC_PTR (rpc_ptr) /* pointer to next data */ 25 #define RPC_RESET rpc_ptr = rpc_buf /* start at beginning */ 26 #define RPC_REQUEST(r) \ 27 RPC_RESET; \ 28 RPC_NEXT8 = 'f'; \ 29 RPC_NEXT8 = ' '; \ 30 RPC_NEXT32 = 0; \ 31 RPC_NEXT32 = r; /* start a RPC request */ 32 33 /* HGFS requests */ 34 enum { 35 HGFS_REQ_OPEN, 36 HGFS_REQ_READ, 37 HGFS_REQ_WRITE, 38 HGFS_REQ_CLOSE, 39 HGFS_REQ_OPENDIR, 40 HGFS_REQ_READDIR, 41 HGFS_REQ_CLOSEDIR, 42 HGFS_REQ_GETATTR, 43 HGFS_REQ_SETATTR, 44 HGFS_REQ_MKDIR, 45 HGFS_REQ_UNLINK, 46 HGFS_REQ_RMDIR, 47 HGFS_REQ_RENAME, 48 HGFS_REQ_QUERYVOL 49 }; 50 51 /* HGFS open types */ 52 enum { 53 HGFS_OPEN_TYPE_O, 54 HGFS_OPEN_TYPE_OT, 55 HGFS_OPEN_TYPE_CO, 56 HGFS_OPEN_TYPE_C, 57 HGFS_OPEN_TYPE_COT 58 }; 59 60 /* HGFS mode/perms conversion macros */ 61 #define HGFS_MODE_TO_PERM(m) (((m) & S_IRWXU) >> 6) 62 #define HGFS_PERM_TO_MODE(p) (((p) << 6) & S_IRWXU) 63 64 /* HGFS attribute flags */ 65 #define HGFS_ATTR_SIZE 0x01 /* get/set file size */ 66 #define HGFS_ATTR_CRTIME 0x02 /* get/set file creation time */ 67 #define HGFS_ATTR_ATIME 0x04 /* get/set file access time */ 68 #define HGFS_ATTR_MTIME 0x08 /* get/set file modification time */ 69 #define HGFS_ATTR_CTIME 0x10 /* get/set file change time */ 70 #define HGFS_ATTR_MODE 0x20 /* get/set file mode */ 71 #define HGFS_ATTR_ATIME_SET 0x40 /* set specific file access time */ 72 #define HGFS_ATTR_MTIME_SET 0x80 /* set specific file modify time */ 73