release/src-rt-6.x/linux/linux-2.6/drivers/ieee1394/ieee1394_types.h

   1 #ifndef _IEEE1394_TYPES_H
   2 #define _IEEE1394_TYPES_H
   3
   4 #include <linux/kernel.h>
   5 #include <linux/string.h>
   6 #include <linux/types.h>
   7 #include <asm/byteorder.h>
   8
   9 typedef u32 quadlet_t;
  10 typedef u64 octlet_t;
  11 typedef u16 nodeid_t;
  12
  13 typedef u8  byte_t;
  14 typedef u64 nodeaddr_t;
  15 typedef u16 arm_length_t;
  16
  17 #define BUS_MASK  0xffc0
  18 #define BUS_SHIFT 6
  19 #define NODE_MASK 0x003f
  20 #define LOCAL_BUS 0xffc0
  21 #define ALL_NODES 0x003f
  22
  23 #define NODEID_TO_BUS(nodeid)   ((nodeid & BUS_MASK) >> BUS_SHIFT)
  24 #define NODEID_TO_NODE(nodeid)  (nodeid & NODE_MASK)
  25
  26 /* Can be used to consistently print a node/bus ID. */
  27 #define NODE_BUS_FMT            "%d-%02d:%04d"
  28 #define NODE_BUS_ARGS(__host, __nodeid) \
  29         __host->id, NODEID_TO_NODE(__nodeid), NODEID_TO_BUS(__nodeid)
  30
  31 #define HPSB_PRINT(level, fmt, args...) \
  32         printk(level "ieee1394: " fmt "\n" , ## args)
  33
  34 #define HPSB_DEBUG(fmt, args...)        HPSB_PRINT(KERN_DEBUG, fmt , ## args)
  35 #define HPSB_INFO(fmt, args...)         HPSB_PRINT(KERN_INFO, fmt , ## args)
  36 #define HPSB_NOTICE(fmt, args...)       HPSB_PRINT(KERN_NOTICE, fmt , ## args)
  37 #define HPSB_WARN(fmt, args...)         HPSB_PRINT(KERN_WARNING, fmt , ## args)
  38 #define HPSB_ERR(fmt, args...)          HPSB_PRINT(KERN_ERR, fmt , ## args)
  39
  40 #ifdef CONFIG_IEEE1394_VERBOSEDEBUG
  41 #define HPSB_VERBOSE(fmt, args...)      HPSB_PRINT(KERN_DEBUG, fmt , ## args)
  42 #define HPSB_DEBUG_TLABELS
  43 #else
  44 #define HPSB_VERBOSE(fmt, args...)      do {} while (0)
  45 #endif
  46
  47 #ifdef __BIG_ENDIAN
  48
  49 static inline void *memcpy_le32(u32 *dest, const u32 *__src, size_t count)
  50 {
  51         void *tmp = dest;
  52         u32 *src = (u32 *)__src;
  53
  54         count /= 4;
  55         while (count--)
  56                 *dest++ = swab32p(src++);
  57         return tmp;
  58 }
  59
  60 #else
  61
  62 static __inline__ void *memcpy_le32(u32 *dest, const u32 *src, size_t count)
  63 {
  64         return memcpy(dest, src, count);
  65 }
  66
  67 #endif /* __BIG_ENDIAN */
  68
  69 #endif /* _IEEE1394_TYPES_H */