diff options
Diffstat (limited to 'xpp/xbus-core.h')
| -rw-r--r-- | xpp/xbus-core.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/xpp/xbus-core.h b/xpp/xbus-core.h index 58cd28b..f105d3a 100644 --- a/xpp/xbus-core.h +++ b/xpp/xbus-core.h @@ -28,8 +28,10 @@ #define XFRAME_DATASIZE 512 struct xframe { - atomic_t frame_len; - byte *packets; /* max XFRAME_DATASIZE */ + atomic_t frame_len; + xbus_t *xbus; + struct timeval tv_created; + byte *packets; /* max XFRAME_DATASIZE */ }; #define XFRAME_LEN(frame) atomic_read(&(frame)->frame_len) @@ -46,6 +48,8 @@ int xbus_log(xbus_t *xbus, xpd_t *xpd, int direction, const void *buf, unsigned xframe_t *xbus_frame_new(xbus_t *xbus, gfp_t flags); void xbus_frame_free(xbus_t *xbus, xframe_t *p); void dump_xframe(const char msg[], const xbus_t *xbus, const xframe_t *xframe); +int xframe_send(xbus_t *xbus, xframe_t *xframe); +int send_cmd_frame(xbus_t *xbus, xframe_t *xframe); /* * Return pointer to next packet slot in the frame @@ -54,8 +58,17 @@ void dump_xframe(const char msg[], const xbus_t *xbus, const xframe_t *xframe); xpacket_t *xframe_next_packet(xframe_t *xframe, int len); /* XBUS handling */ + +/* + * Map: unit+subunit <--> index in xbus->xpds[] + */ +#define XPD_IDX(unit,subunit) ((unit) * MAX_SUBUNIT + (subunit)) +#define XBUS_UNIT(idx) ((idx) / MAX_SUBUNIT) +#define XBUS_SUBUNIT(idx) ((idx) % MAX_SUBUNIT) + xbus_t *xbus_of(int xbus_num); xpd_t *xpd_of(const xbus_t *xbus, int xpd_num); +xpd_t *xpd_byaddr(const xbus_t *xbus, uint unit, uint subunit); xbus_t *xbus_new(xbus_ops_t *ops); void xbus_remove(xbus_t *xbus); void xbus_activate(xbus_t *xbus); |