diff options
Diffstat (limited to 'drivers/ieee1394/raw1394.h')
| -rw-r--r-- | drivers/ieee1394/raw1394.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/drivers/ieee1394/raw1394.h b/drivers/ieee1394/raw1394.h new file mode 100644 index 00000000000..35bfc38f013 --- /dev/null +++ b/drivers/ieee1394/raw1394.h @@ -0,0 +1,181 @@ +#ifndef IEEE1394_RAW1394_H +#define IEEE1394_RAW1394_H + +/* header for the raw1394 API that is exported to user-space */ + +#define RAW1394_KERNELAPI_VERSION 4 + +/* state: opened */ +#define RAW1394_REQ_INITIALIZE 1 + +/* state: initialized */ +#define RAW1394_REQ_LIST_CARDS 2 +#define RAW1394_REQ_SET_CARD 3 + +/* state: connected */ +#define RAW1394_REQ_ASYNC_READ 100 +#define RAW1394_REQ_ASYNC_WRITE 101 +#define RAW1394_REQ_LOCK 102 +#define RAW1394_REQ_LOCK64 103 +#define RAW1394_REQ_ISO_SEND 104 +#define RAW1394_REQ_ASYNC_SEND 105 +#define RAW1394_REQ_ASYNC_STREAM 106 + +#define RAW1394_REQ_ISO_LISTEN 200 +#define RAW1394_REQ_FCP_LISTEN 201 +#define RAW1394_REQ_RESET_BUS 202 +#define RAW1394_REQ_GET_ROM 203 +#define RAW1394_REQ_UPDATE_ROM 204 +#define RAW1394_REQ_ECHO 205 +#define RAW1394_REQ_MODIFY_ROM 206 + +#define RAW1394_REQ_ARM_REGISTER 300 +#define RAW1394_REQ_ARM_UNREGISTER 301 +#define RAW1394_REQ_ARM_SET_BUF 302 +#define RAW1394_REQ_ARM_GET_BUF 303 + +#define RAW1394_REQ_RESET_NOTIFY 400 + +#define RAW1394_REQ_PHYPACKET 500 + +/* kernel to user */ +#define RAW1394_REQ_BUS_RESET 10000 +#define RAW1394_REQ_ISO_RECEIVE 10001 +#define RAW1394_REQ_FCP_REQUEST 10002 +#define RAW1394_REQ_ARM 10003 +#define RAW1394_REQ_RAWISO_ACTIVITY 10004 + +/* error codes */ +#define RAW1394_ERROR_NONE 0 +#define RAW1394_ERROR_COMPAT (-1001) +#define RAW1394_ERROR_STATE_ORDER (-1002) +#define RAW1394_ERROR_GENERATION (-1003) +#define RAW1394_ERROR_INVALID_ARG (-1004) +#define RAW1394_ERROR_MEMFAULT (-1005) +#define RAW1394_ERROR_ALREADY (-1006) + +#define RAW1394_ERROR_EXCESSIVE (-1020) +#define RAW1394_ERROR_UNTIDY_LEN (-1021) + +#define RAW1394_ERROR_SEND_ERROR (-1100) +#define RAW1394_ERROR_ABORTED (-1101) +#define RAW1394_ERROR_TIMEOUT (-1102) + +/* arm_codes */ +#define ARM_READ 1 +#define ARM_WRITE 2 +#define ARM_LOCK 4 + +#define RAW1394_LONG_RESET 0 +#define RAW1394_SHORT_RESET 1 + +/* busresetnotify ... */ +#define RAW1394_NOTIFY_OFF 0 +#define RAW1394_NOTIFY_ON 1 + +#include <asm/types.h> + +struct raw1394_request { + __u32 type; + __s32 error; + __u32 misc; + + __u32 generation; + __u32 length; + + __u64 address; + + __u64 tag; + + __u64 sendb; + __u64 recvb; +}; + +struct raw1394_khost_list { + __u32 nodes; + __u8 name[32]; +}; + +typedef struct arm_request { + __u16 destination_nodeid; + __u16 source_nodeid; + __u64 destination_offset; + __u8 tlabel; + __u8 tcode; + __u8 extended_transaction_code; + __u32 generation; + __u16 buffer_length; + __u8 __user *buffer; +} *arm_request_t; + +typedef struct arm_response { + __s32 response_code; + __u16 buffer_length; + __u8 __user *buffer; +} *arm_response_t; + +typedef struct arm_request_response { + struct arm_request __user *request; + struct arm_response __user *response; +} *arm_request_response_t; + +/* rawiso API */ +#include "ieee1394-ioctl.h" + +/* per-packet metadata embedded in the ringbuffer */ +/* must be identical to hpsb_iso_packet_info in iso.h! */ +struct raw1394_iso_packet_info { + __u32 offset; + __u16 len; + __u16 cycle; /* recv only */ + __u8 channel; /* recv only */ + __u8 tag; + __u8 sy; +}; + +/* argument for RAW1394_ISO_RECV/XMIT_PACKETS ioctls */ +struct raw1394_iso_packets { + __u32 n_packets; + struct raw1394_iso_packet_info __user *infos; +}; + +struct raw1394_iso_config { + /* size of packet data buffer, in bytes (will be rounded up to PAGE_SIZE) */ + __u32 data_buf_size; + + /* # of packets to buffer */ + __u32 buf_packets; + + /* iso channel (set to -1 for multi-channel recv) */ + __s32 channel; + + /* xmit only - iso transmission speed */ + __u8 speed; + + /* The mode of the dma when receiving iso data. Must be supported by chip */ + __u8 dma_mode; + + /* max. latency of buffer, in packets (-1 if you don't care) */ + __s32 irq_interval; +}; + +/* argument to RAW1394_ISO_XMIT/RECV_INIT and RAW1394_ISO_GET_STATUS */ +struct raw1394_iso_status { + /* current settings */ + struct raw1394_iso_config config; + + /* number of packets waiting to be filled with data (ISO transmission) + or containing data received (ISO reception) */ + __u32 n_packets; + + /* approximate number of packets dropped due to overflow or + underflow of the packet buffer (a value of zero guarantees + that no packets have been dropped) */ + __u32 overflows; + + /* cycle number at which next packet will be transmitted; + -1 if not known */ + __s16 xmit_cycle; +}; + +#endif /* IEEE1394_RAW1394_H */ |