LXR linux/drivers/ieee1394/raw1394-private.h

   1#ifndef IEEE1394_RAW1394_PRIVATE_H
   2#define IEEE1394_RAW1394_PRIVATE_H
   3
   4/* header for definitions that are private to the raw1394 driver
   5   and not visible to user-space */
   6
   7#define RAW1394_DEVICE_MAJOR      171
   8#define RAW1394_DEVICE_NAME       "raw1394"
   9
  10#define RAW1394_MAX_USER_CSR_DIRS       16
  11
  12struct iso_block_store {
  13        atomic_t refcount;
  14        size_t data_size;
  15        quadlet_t data[0];
  16};
  17
  18enum raw1394_iso_state { RAW1394_ISO_INACTIVE = 0,
  19                         RAW1394_ISO_RECV = 1,
  20                         RAW1394_ISO_XMIT = 2 };
  21
  22struct file_info {
  23        struct list_head list;
  24
  25        struct mutex state_mutex;
  26        enum { opened, initialized, connected } state;
  27        unsigned int protocol_version;
  28
  29        struct hpsb_host *host;
  30
  31        struct list_head req_pending;   /* protected by reqlists_lock */
  32        struct list_head req_complete;  /* protected by reqlists_lock */
  33        spinlock_t reqlists_lock;
  34        wait_queue_head_t wait_complete;
  35
  36        struct list_head addr_list;     /* protected by host_info_lock */
  37
  38        u8 __user *fcp_buffer;
  39
  40        u8 notification; /* (busreset-notification) RAW1394_NOTIFY_OFF/ON */
  41
  42        /* new rawiso API */
  43        enum raw1394_iso_state iso_state;
  44        struct hpsb_iso *iso_handle;
  45
  46        /* User space's CSR1212 dynamic ConfigROM directories */
  47        struct csr1212_keyval *csr1212_dirs[RAW1394_MAX_USER_CSR_DIRS];
  48
  49        /* Legacy ConfigROM update flag */
  50        u8 cfgrom_upd;
  51};
  52
  53struct arm_addr {
  54        struct list_head addr_list; /* file_info list */
  55        u64    start, end;
  56        u64    arm_tag;
  57        u8     access_rights;
  58        u8     notification_options;
  59        u8     client_transactions;
  60        u64    recvb;
  61        u16    rec_length;
  62        u8     *addr_space_buffer; /* accessed by read/write/lock requests */
  63};
  64
  65struct pending_request {
  66        struct list_head list;
  67        struct file_info *file_info;
  68        struct hpsb_packet *packet;
  69        struct iso_block_store *ibs;
  70        quadlet_t *data;
  71        int free_data;
  72        struct raw1394_request req;
  73};
  74
  75struct host_info {
  76        struct list_head list;
  77        struct hpsb_host *host;
  78        struct list_head file_info_list;  /* protected by host_info_lock */
  79};
  80
  81#endif  /* IEEE1394_RAW1394_PRIVATE_H */
  82