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#ifndef IEEE1394_RAW1394_H
#define IEEE1394_RAW1394_H
#define RAW1394_DEVICE_MAJOR 171
#define RAW1394_DEVICE_NAME "raw1394"
#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_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_ARM_REGISTER 300
#define RAW1394_REQ_ARM_UNREGISTER 301
#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];
};
/* moved to raw1394.h to make it available to applications
typedef struct arm_request {
nodeid_t destination_nodeid;
nodeid_t source_nodeid;
nodeaddr_t destination_offset;
u8 tlabel;
u8 tcode;
u_int8_t extended_transaction_code;
u_int32_t generation;
arm_length_t buffer_length;
byte_t *buffer;
} *arm_request_t;
typedef struct arm_response {
int response_code;
arm_length_t buffer_length;
byte_t *buffer;
} *arm_response_t;
typedef struct arm_request_response {
struct arm_request *request;
struct arm_response *response;
} *arm_request_response_t;
*/
/* rawiso API */
/* ioctls */
#define RAW1394_ISO_XMIT_INIT 1 /* arg: raw1394_iso_status* */
#define RAW1394_ISO_RECV_INIT 2 /* arg: raw1394_iso_status* */
#define RAW1394_ISO_RECV_START 3 /* arg: int, starting cycle */
#define RAW1394_ISO_XMIT_START 8 /* arg: int[2], { starting cycle, prebuffer } */
#define RAW1394_ISO_STOP 4
#define RAW1394_ISO_GET_STATUS 5 /* arg: raw1394_iso_status* */
#define RAW1394_ISO_PRODUCE_CONSUME 6 /* arg: int, # of packets */
#define RAW1394_ISO_SHUTDOWN 7
#define RAW1394_ISO_QUEUE_ACTIVITY 9
/* per-packet metadata embedded in the ringbuffer */
/* must be identical to hpsb_iso_packet_info in iso.h! */
struct raw1394_iso_packet_info {
unsigned short len;
unsigned short cycle;
unsigned char channel; /* recv only */
unsigned char tag;
unsigned char sy;
};
struct raw1394_iso_config {
unsigned int buf_packets;
unsigned int max_packet_size;
int channel;
int speed; /* xmit only */
int 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;
/* byte offset between successive packets in the buffer */
int buf_stride;
/* byte offset of data payload within each packet */
int packet_data_offset;
/* byte offset of struct iso_packet_info within each packet */
int packet_info_offset;
/* index of next packet to fill with data (ISO transmission)
or next packet containing data recieved (ISO reception) */
unsigned int first_packet;
/* number of packets waiting to be filled with data (ISO transmission)
or containing data received (ISO reception) */
unsigned int 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) */
unsigned int overflows;
};
#ifdef __KERNEL__
struct iso_block_store {
atomic_t refcount;
size_t data_size;
quadlet_t data[0];
};
enum raw1394_iso_state { RAW1394_ISO_INACTIVE = 0,
RAW1394_ISO_RECV = 1,
RAW1394_ISO_XMIT = 2 };
struct file_info {
struct list_head list;
enum { opened, initialized, connected } state;
unsigned int protocol_version;
struct hpsb_host *host;
struct list_head req_pending;
struct list_head req_complete;
struct semaphore complete_sem;
spinlock_t reqlists_lock;
wait_queue_head_t poll_wait_complete;
struct list_head addr_list;
u8 *fcp_buffer;
/* old ISO API */
u64 listen_channels;
quadlet_t *iso_buffer;
size_t iso_buffer_length;
u8 notification; /* (busreset-notification) RAW1394_NOTIFY_OFF/ON */
/* new rawiso API */
enum raw1394_iso_state iso_state;
struct hpsb_iso *iso_handle;
};
struct arm_addr {
struct list_head addr_list; /* file_info list */
u64 start, end;
u64 arm_tag;
u8 notification_options;
u8 access_rights;
u64 recvb;
u16 rec_length;
u8 *addr_space_buffer; /* accessed by read/write/lock */
};
struct pending_request {
struct list_head list;
struct file_info *file_info;
struct hpsb_packet *packet;
/* struct tq_struct tq; */
struct iso_block_store *ibs;
quadlet_t *data;
int free_data;
struct raw1394_request req;
};
struct host_info {
struct list_head list;
struct hpsb_host *host;
struct list_head file_info_list;
};
#endif /* __KERNEL__ */
#endif /* IEEE1394_RAW1394_H */
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