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
  12 struct iso_block_store {
  13         atomic_t refcount;
  14         size_t data_size;
  15         quadlet_t data[0];
  16 };
  17
  18 enum raw1394_iso_state { RAW1394_ISO_INACTIVE = 0,
  19                          RAW1394_ISO_RECV = 1,
  20                          RAW1394_ISO_XMIT = 2 };
  21
  22 struct file_info {
  23         struct list_head list;
  24
  25         enum { opened, initialized, connected } state;
  26         unsigned int protocol_version;
  27
  28         struct hpsb_host *host;
  29
  30         struct list_head req_pending;   /* protected by reqlists_lock */
  31         struct list_head req_complete;  /* protected by reqlists_lock */
  32         spinlock_t reqlists_lock;
  33         wait_queue_head_t wait_complete;
  34
  35         struct list_head addr_list;     /* protected by host_info_lock */
  36
  37         u8 __user *fcp_buffer;
  38
  39         /* old ISO API */
  40         u64 listen_channels;
  41         quadlet_t __user *iso_buffer;
  42         size_t iso_buffer_length;
  43
  44         u8 notification; /* (busreset-notification) RAW1394_NOTIFY_OFF/ON */
  45
  46         /* new rawiso API */
  47         enum raw1394_iso_state iso_state;
  48         struct hpsb_iso *iso_handle;
  49
  50         /* User space's CSR1212 dynamic ConfigROM directories */
  51         struct csr1212_keyval *csr1212_dirs[RAW1394_MAX_USER_CSR_DIRS];
  52
  53         /* Legacy ConfigROM update flag */
  54         u8 cfgrom_upd;
  55 };
  56
  57 struct arm_addr {
  58         struct list_head addr_list; /* file_info list */
  59         u64    start, end;
  60         u64    arm_tag;
  61         u8     access_rights;
  62         u8     notification_options;
  63         u8     client_transactions;
  64         u64    recvb;
  65         u16    rec_length;
  66         u8     *addr_space_buffer; /* accessed by read/write/lock requests */
  67 };
  68
  69 struct pending_request {
  70         struct list_head list;
  71         struct file_info *file_info;
  72         struct hpsb_packet *packet;
  73         struct iso_block_store *ibs;
  74         quadlet_t *data;
  75         int free_data;
  76         struct raw1394_request req;
  77 };
  78
  79 struct host_info {
  80         struct list_head list;
  81         struct hpsb_host *host;
  82         struct list_head file_info_list;  /* protected by host_info_lock */
  83 };
  84
  85 #endif  /* IEEE1394_RAW1394_PRIVATE_H */