Cross Reference: /src/sys/dev/marvell/mvxpbm.c

Lines Matching defs:chunk
278 		struct mvxpbm_chunk *chunk;
280 		/* initialize chunk */
282 		chunk = (struct mvxpbm_chunk *)ptr;
283 		chunk->m = NULL;
284 		chunk->sc = sc;
285 		chunk->off = (ptr - sc->sc_buf);
286 		chunk->pa = (paddr_t)(sc->sc_buf_pa + chunk->off);
287 		chunk->buf_off = (ptr_data - sc->sc_buf);
288 		chunk->buf_pa = (paddr_t)(sc->sc_buf_pa + chunk->buf_off);
289 		chunk->buf_va = (vaddr_t)(sc->sc_buf + chunk->buf_off);
290 		chunk->buf_size = sc->sc_chunk_size;
293 		LIST_INSERT_HEAD(&sc->sc_free, chunk, link);
294 		mvxpbm_dmamap_sync(chunk, BM_SYNC_ALL, BUS_DMASYNC_PREREAD);
297 		DPRINTSC(sc, 9, "new chunk %p\n", (void *)chunk->buf_va);
318 	struct mvxpbm_chunk *chunk = (struct mvxpbm_chunk *)arg;
326 	chunk->m = NULL;
330 	return mvxpbm_free_chunk(chunk);
365 /* allocate new memory chunk */
369 	struct mvxpbm_chunk *chunk;
373 	chunk = LIST_FIRST(&sc->sc_free);
374 	if (chunk == NULL) {
379 	LIST_REMOVE(chunk, link);
380 	LIST_INSERT_HEAD(&sc->sc_inuse, chunk, link);
383 	return chunk;
386 /* free memory chunk */
388 mvxpbm_free_chunk(struct mvxpbm_chunk *chunk)
390 	struct mvxpbm_softc *sc = chunk->sc;
392 	KASSERT(chunk->m == NULL);
393 	DPRINTFN(3, "bm chunk free\n");
397 	LIST_REMOVE(chunk, link);
398 	LIST_INSERT_HEAD(&sc->sc_free, chunk, link);
405 mvxpbm_init_mbuf_hdr(struct mvxpbm_chunk *chunk)
407 	struct mvxpbm_softc *sc = chunk->sc;
409 	KASSERT(chunk->m == NULL);
412 	MGETHDR(chunk->m, M_DONTWAIT, MT_DATA);
413 	if (chunk->m == NULL) {
417 	MEXTADD(chunk->m, chunk->buf_va, chunk->buf_size, 0, 
418 		mvxpbm_free_mbuf, chunk);
419 	chunk->m->m_flags |= M_EXT_RW;
420 	chunk->m->m_len = chunk->m->m_pkthdr.len = chunk->buf_size;
422 		m_adj(chunk->m, sc->sc_chunk_packet_offset);
429 mvxpbm_dmamap_sync(struct mvxpbm_chunk *chunk, size_t size, int ops)
431 	struct mvxpbm_softc *sc = chunk->sc;
433 	KASSERT(size <= chunk->buf_size);
435 		size = chunk->buf_size;
437 	bus_dmamap_sync(sc->sc_dmat, sc->sc_buf_map, chunk->buf_off, size, ops);
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