Lines Matching full:front

54  *     struct mytag_front_ring - The 'front' half of the ring.
59  * the front half:
66  * Initializing the back follows similarly (note that only the front
90 /* "Front" end's private variables */					\
109  * FRONT_RING_whatever works on the "front end" of a ring: here
117  * requestor (front end) never has more than RING_SIZE()-1
150 /* Number of free requests (for use on front side only). */
154 /* Test if there is an empty slot available on the front ring.
155  * (This is only meaningful from the front. )
208     virt_wmb(); /* front sees responses /before/ updated producer index */	\
217  * in a backend, the front may be able to queue further requests without
255     virt_wmb(); /* front sees responses /before/ updated producer index */	\
257     virt_mb(); /* front sees new responses /before/ we check rsp_event */	\