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Open Menu / drivers / ieee1394 / raw1394.h
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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 1

/* 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_LISTEN    200

/* kernel to user */
#define RAW1394_REQ_BUS_RESET     10000
#define RAW1394_REQ_ISO_RECEIVE   10001

/* 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)


struct raw1394_request {
        int type;
        int error;
        int misc;

        unsigned int generation;
        octlet_t address;

        unsigned long tag;

        size_t length;
        quadlet_t *sendb;
        quadlet_t *recvb;
};

struct raw1394_khost_list {
        int nodes;
        char name[32];
};

#ifdef __KERNEL__

struct iso_block_store {
        atomic_t refcount;
        quadlet_t data[0];
};

struct file_info {
        struct list_head list;

        enum { opened, initialized, connected } state;

        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;

        u64 listen_channels;
        quadlet_t *iso_buffer;
        size_t iso_buffer_length;
};

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 */