#ifndef _DSET_H_#define _DSET_H_/* * Structures used to communicate between an application and the kernel for * DataSet ioctls. * * Pass a dset_request_t with cmd=AR6000_XIOCTL_WMI_WAITDSETREQ in order to * wait for the next DataSet Request to arrive.  Once a request is received * from the Target, the kernel fills in information about the Request and * returns from the ioctl to the application.  When the ioctl returns, * cmd is set to either AR6000_OPEN_REQ or AR6000_DATA_REQ. * * Pass a dset_open_reply_t with cmd=AR6000_IOCTL_WMI_DSET_OPEN_REPLY in order * to send a DataSet Open reply to the Target.  The targ_* fields should simply * be copied from the original Open Request.  The status field should be set * to 0 for success or non-zero for failure. * * Pass a dset_data_reply_t with cmd=AR6000_IOCTL_WMI_DSET_DATA_REPLY in order * to send a DataSet Data reply to the Target.  The targ_* fields should simply * be copied from the original Data Request.  The status field should be set * to 0 for success or non-zero for failure.  The buf field is a pointer * to a buffer that contains the requested data. *//* A DataSet Request, either Open Request or Data Request */typedef struct dset_request_s {    unsigned int      cmd;    union {        struct open_req_s {            unsigned int        id;            unsigned int        targ_handle;            unsigned int        targ_reply_fn;            unsigned int        targ_reply_arg;        } open_req;        struct data_req_s {            unsigned int        access_cookie;            unsigned int        offset;            unsigned int        length;            unsigned int        targ_buf;            unsigned int        targ_reply_fn;            unsigned int        targ_reply_arg;        } data_req;    } u;} dset_request_t;/* * Values in cmd on return from an AR6000_IOCTL_EXTENDED ioctl that had * cmd=AR6000_XIOCTL_WMI_WAITDSETREQ. */#define AR6000_OPEN_REQ         1#define AR6000_DATA_REQ         2/* Open Reply from Application to Kernel (to be sent to Target) */typedef struct dset_open_reply {    unsigned int        cmd;    unsigned int        status;    unsigned int        targ_handle;    unsigned int        targ_reply_fn;    unsigned int        targ_reply_arg;    unsigned int        access_cookie;    unsigned int        size;    unsigned int        version;} dset_open_reply_t;/* Data Reply from Application to Kernel (to be sent to Target) */typedef struct dset_data_reply {    unsigned int        cmd;    unsigned int        status;    char               *buf;    unsigned int        length;    unsigned int        targ_buf;    unsigned int        targ_reply_fn;    unsigned int        targ_reply_arg;} dset_data_reply_t;#endif /* _DSET_H_ */