drivers/ieee1394/ieee1394_types.h

   1
   2 #ifndef _IEEE1394_TYPES_H
   3 #define _IEEE1394_TYPES_H
   4
   5 #include <linux/kernel.h>
   6 #include <linux/types.h>
   7 #include <linux/list.h>
   8 #include <linux/init.h>
   9 #include <linux/spinlock.h>
  10 #include <linux/string.h>
  11
  12 #include <asm/semaphore.h>
  13 #include <asm/byteorder.h>
  14
  15
  16 /* Transaction Label handling */
  17 struct hpsb_tlabel_pool {
  18         DECLARE_BITMAP(pool, 64);
  19         spinlock_t lock;
  20         u8 next;
  21         u32 allocations;
  22         struct semaphore count;
  23 };
  24
  25 #define HPSB_TPOOL_INIT(_tp)                    \
  26 do {                                            \
  27         bitmap_zero((_tp)->pool, 64);           \
  28         spin_lock_init(&(_tp)->lock);           \
  29         (_tp)->next = 0;                        \
  30         (_tp)->allocations = 0;                 \
  31         sema_init(&(_tp)->count, 63);           \
  32 } while (0)
  33
  34
  35 typedef u32 quadlet_t;
  36 typedef u64 octlet_t;
  37 typedef u16 nodeid_t;
  38
  39 typedef u8  byte_t;
  40 typedef u64 nodeaddr_t;
  41 typedef u16 arm_length_t;
  42
  43 #define BUS_MASK  0xffc0
  44 #define BUS_SHIFT 6
  45 #define NODE_MASK 0x003f
  46 #define LOCAL_BUS 0xffc0
  47 #define ALL_NODES 0x003f
  48
  49 #define NODEID_TO_BUS(nodeid)   ((nodeid & BUS_MASK) >> BUS_SHIFT)
  50 #define NODEID_TO_NODE(nodeid)  (nodeid & NODE_MASK)
  51
  52 /* Can be used to consistently print a node/bus ID. */
  53 #define NODE_BUS_FMT            "%d-%02d:%04d"
  54 #define NODE_BUS_ARGS(__host, __nodeid) \
  55         __host->id, NODEID_TO_NODE(__nodeid), NODEID_TO_BUS(__nodeid)
  56
  57 #define HPSB_PRINT(level, fmt, args...) printk(level "ieee1394: " fmt "\n" , ## args)
  58
  59 #define HPSB_DEBUG(fmt, args...) HPSB_PRINT(KERN_DEBUG, fmt , ## args)
  60 #define HPSB_INFO(fmt, args...) HPSB_PRINT(KERN_INFO, fmt , ## args)
  61 #define HPSB_NOTICE(fmt, args...) HPSB_PRINT(KERN_NOTICE, fmt , ## args)
  62 #define HPSB_WARN(fmt, args...) HPSB_PRINT(KERN_WARNING, fmt , ## args)
  63 #define HPSB_ERR(fmt, args...) HPSB_PRINT(KERN_ERR, fmt , ## args)
  64
  65 #ifdef CONFIG_IEEE1394_VERBOSEDEBUG
  66 #define HPSB_VERBOSE(fmt, args...) HPSB_PRINT(KERN_DEBUG, fmt , ## args)
  67 #else
  68 #define HPSB_VERBOSE(fmt, args...)
  69 #endif
  70
  71 #define HPSB_PANIC(fmt, args...) panic("ieee1394: " fmt "\n" , ## args)
  72
  73 #define HPSB_TRACE() HPSB_PRINT(KERN_INFO, "TRACE - %s, %s(), line %d", __FILE__, __FUNCTION__, __LINE__)
  74
  75
  76 #ifdef __BIG_ENDIAN
  77
  78 static __inline__ void *memcpy_le32(u32 *dest, const u32 *__src, size_t count)
  79 {
  80         void *tmp = dest;
  81         u32 *src = (u32 *)__src;
  82
  83         count /= 4;
  84
  85         while (count--) {
  86                 *dest++ = swab32p(src++);
  87         }
  88
  89         return tmp;
  90 }
  91
  92 #else
  93
  94 static __inline__ void *memcpy_le32(u32 *dest, const u32 *src, size_t count)
  95 {
  96         return memcpy(dest, src, count);
  97 }
  98
  99 #endif /* __BIG_ENDIAN */
 100
 101 #endif /* _IEEE1394_TYPES_H */