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f9edc4f5c1
Add a who-is-who about some locks and list heads in raw1394's struct definitions. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
#ifndef IEEE1394_RAW1394_PRIVATE_H
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#define IEEE1394_RAW1394_PRIVATE_H
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/* header for definitions that are private to the raw1394 driver
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and not visible to user-space */
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#define RAW1394_DEVICE_MAJOR 171
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#define RAW1394_DEVICE_NAME "raw1394"
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#define RAW1394_MAX_USER_CSR_DIRS 16
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struct iso_block_store {
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atomic_t refcount;
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size_t data_size;
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quadlet_t data[0];
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};
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enum raw1394_iso_state { RAW1394_ISO_INACTIVE = 0,
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RAW1394_ISO_RECV = 1,
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RAW1394_ISO_XMIT = 2 };
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struct file_info {
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struct list_head list;
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enum { opened, initialized, connected } state;
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unsigned int protocol_version;
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struct hpsb_host *host;
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struct list_head req_pending; /* protected by reqlists_lock */
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struct list_head req_complete; /* protected by reqlists_lock */
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spinlock_t reqlists_lock;
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wait_queue_head_t wait_complete;
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struct list_head addr_list; /* protected by host_info_lock */
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u8 __user *fcp_buffer;
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/* old ISO API */
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u64 listen_channels;
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quadlet_t __user *iso_buffer;
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size_t iso_buffer_length;
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u8 notification; /* (busreset-notification) RAW1394_NOTIFY_OFF/ON */
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/* new rawiso API */
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enum raw1394_iso_state iso_state;
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struct hpsb_iso *iso_handle;
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/* User space's CSR1212 dynamic ConfigROM directories */
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struct csr1212_keyval *csr1212_dirs[RAW1394_MAX_USER_CSR_DIRS];
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/* Legacy ConfigROM update flag */
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u8 cfgrom_upd;
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};
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struct arm_addr {
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struct list_head addr_list; /* file_info list */
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u64 start, end;
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u64 arm_tag;
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u8 access_rights;
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u8 notification_options;
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u8 client_transactions;
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u64 recvb;
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u16 rec_length;
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u8 *addr_space_buffer; /* accessed by read/write/lock requests */
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};
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struct pending_request {
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struct list_head list;
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struct file_info *file_info;
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struct hpsb_packet *packet;
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struct iso_block_store *ibs;
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quadlet_t *data;
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int free_data;
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struct raw1394_request req;
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};
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struct host_info {
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struct list_head list;
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struct hpsb_host *host;
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struct list_head file_info_list; /* protected by host_info_lock */
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};
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#endif /* IEEE1394_RAW1394_PRIVATE_H */
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