b48b037fbe
servers/hgfs/hgfs_server => servers/hgfs servers/hgfs/libhgfs => lib/libhgfs servers/rs/service => commands/service drivers/memory/memory_driver => drivers/memory drivers/memory/ramdisk => drivers/ramdisk
62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/* Part of libhgfs - (c) 2009, D.C. van Moolenbroek */
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/* Various macros used here and there */
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#define MAKELONG(a,b) ((a) | ((b) << 16))
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#define HIWORD(d) ((d) >> 16)
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#define LOWORD(d) ((d) & 0xffff)
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#define BYTES(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
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/* Valid channel types for channel_open() */
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#define CH_IN BYTES('T', 'C', 'L', 'O')
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#define CH_OUT BYTES('R', 'P', 'C', 'I')
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/* RPC constants */
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#define RPC_BUF_SIZE 6134 /* max size of RPC request */
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#define RPC_HDR_SIZE 10 /* RPC HGFS header size */
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/* RPC macros. These NEED NOT be portable. VMware only does x86(-64) anyway. */
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/* ..all this because ACK can't pack structures :( */
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#define RPC_NEXT8 *(((u8_t*)(++rpc_ptr))-1) /* get/set next byte */
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#define RPC_NEXT16 *(((u16_t*)(rpc_ptr+=2))-1) /* get/set next short */
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#define RPC_NEXT32 *(((u32_t*)(rpc_ptr+=4))-1) /* get/set next long */
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#define RPC_LEN (rpc_ptr - rpc_buf) /* request length thus far */
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#define RPC_ADVANCE(n) rpc_ptr += n /* skip n bytes in buffer */
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#define RPC_PTR (rpc_ptr) /* pointer to next data */
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#define RPC_RESET rpc_ptr = rpc_buf /* start at beginning */
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#define RPC_REQUEST(r) \
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RPC_RESET; \
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RPC_NEXT8 = 'f'; \
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RPC_NEXT8 = ' '; \
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RPC_NEXT32 = 0; \
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RPC_NEXT32 = r; /* start a RPC request */
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/* HGFS requests */
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enum {
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HGFS_REQ_OPEN,
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HGFS_REQ_READ,
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HGFS_REQ_WRITE,
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HGFS_REQ_CLOSE,
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HGFS_REQ_OPENDIR,
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HGFS_REQ_READDIR,
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HGFS_REQ_CLOSEDIR,
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HGFS_REQ_GETATTR,
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HGFS_REQ_SETATTR,
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HGFS_REQ_MKDIR,
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HGFS_REQ_UNLINK,
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HGFS_REQ_RMDIR,
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HGFS_REQ_RENAME,
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HGFS_REQ_QUERYVOL
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};
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/* HGFS open types */
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enum {
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HGFS_OPEN_TYPE_O,
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HGFS_OPEN_TYPE_OT,
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HGFS_OPEN_TYPE_CO,
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HGFS_OPEN_TYPE_C,
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HGFS_OPEN_TYPE_COT
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};
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/* HGFS mode/perms conversion macros */
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#define HGFS_MODE_TO_PERM(m) (((m) & S_IRWXU) >> 6)
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#define HGFS_PERM_TO_MODE(p) (((p) << 6) & S_IRWXU)
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