busdma_machdep.c (109490) | busdma_machdep.c (109623) |
---|---|
1/* 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * | 1/* 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * |
26 * $FreeBSD: head/sys/ia64/ia64/busdma_machdep.c 109490 2003-01-18 18:33:56Z mux $ | 26 * $FreeBSD: head/sys/ia64/ia64/busdma_machdep.c 109623 2003-01-21 08:56:16Z alfred $ |
27 */ 28 29#include <sys/param.h> 30#include <sys/systm.h> 31#include <sys/malloc.h> 32#include <sys/mbuf.h> 33#include <sys/bus.h> 34#include <sys/interrupt.h> --- 309 unchanged lines hidden (view full) --- 344bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags, 345 bus_dmamap_t *mapp) 346{ 347 /* If we succeed, no mapping/bouncing will be required */ 348 *mapp = &nobounce_dmamap; 349 350 if ((dmat->maxsize <= PAGE_SIZE) && dmat->lowaddr >= ptoa(Maxmem)) { 351 *vaddr = malloc(dmat->maxsize, M_DEVBUF, | 27 */ 28 29#include <sys/param.h> 30#include <sys/systm.h> 31#include <sys/malloc.h> 32#include <sys/mbuf.h> 33#include <sys/bus.h> 34#include <sys/interrupt.h> --- 309 unchanged lines hidden (view full) --- 344bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags, 345 bus_dmamap_t *mapp) 346{ 347 /* If we succeed, no mapping/bouncing will be required */ 348 *mapp = &nobounce_dmamap; 349 350 if ((dmat->maxsize <= PAGE_SIZE) && dmat->lowaddr >= ptoa(Maxmem)) { 351 *vaddr = malloc(dmat->maxsize, M_DEVBUF, |
352 (flags & BUS_DMA_NOWAIT) ? M_NOWAIT : M_WAITOK); | 352 (flags & BUS_DMA_NOWAIT) ? M_NOWAIT : 0); |
353 } else { 354 /* 355 * XXX Use Contigmalloc until it is merged into this facility 356 * and handles multi-seg allocations. Nobody is doing 357 * multi-seg allocations yet though. 358 */ 359 *vaddr = contigmalloc(dmat->maxsize, M_DEVBUF, | 353 } else { 354 /* 355 * XXX Use Contigmalloc until it is merged into this facility 356 * and handles multi-seg allocations. Nobody is doing 357 * multi-seg allocations yet though. 358 */ 359 *vaddr = contigmalloc(dmat->maxsize, M_DEVBUF, |
360 (flags & BUS_DMA_NOWAIT) ? M_NOWAIT : M_WAITOK, | 360 (flags & BUS_DMA_NOWAIT) ? M_NOWAIT : 0, |
361 0ul, dmat->lowaddr, dmat->alignment? dmat->alignment : 1ul, 362 dmat->boundary); 363 } 364 if (*vaddr == NULL) 365 return (ENOMEM); 366 return (0); 367} 368 --- 552 unchanged lines hidden --- | 361 0ul, dmat->lowaddr, dmat->alignment? dmat->alignment : 1ul, 362 dmat->boundary); 363 } 364 if (*vaddr == NULL) 365 return (ENOMEM); 366 return (0); 367} 368 --- 552 unchanged lines hidden --- |