| busdma_machdep-v4.c (257201) | busdma_machdep-v4.c (257203) |
|---|---|
| 1/*- 2 * Copyright (c) 2012 Ian Lepore 3 * Copyright (c) 2004 Olivier Houchard 4 * Copyright (c) 2002 Peter Grehan 5 * Copyright (c) 1997, 1998 Justin T. Gibbs. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * From i386/busdma_machdep.c,v 1.26 2002/04/19 22:58:09 alfred 30 */ 31 32#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2012 Ian Lepore 3 * Copyright (c) 2004 Olivier Houchard 4 * Copyright (c) 2002 Peter Grehan 5 * Copyright (c) 1997, 1998 Justin T. Gibbs. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * From i386/busdma_machdep.c,v 1.26 2002/04/19 22:58:09 alfred 30 */ 31 32#include <sys/cdefs.h> |
| 33__FBSDID("$FreeBSD: head/sys/arm/arm/busdma_machdep.c 257201 2013-10-27 03:13:26Z ian $"); | 33__FBSDID("$FreeBSD: head/sys/arm/arm/busdma_machdep.c 257203 2013-10-27 03:29:38Z ian $"); |
| 34 35/* 36 * ARM bus dma support routines. 37 * 38 * XXX Things to investigate / fix some day... 39 * - What is the earliest that this API can be called? Could there be any 40 * fallout from changing the SYSINIT() order from SI_SUB_VM to SI_SUB_KMEM? 41 * - The manpage mentions the BUS_DMA_NOWAIT flag only in the context of the --- 760 unchanged lines hidden (view full) --- 802 803static void 804_bus_dmamap_count_phys(bus_dma_tag_t dmat, bus_dmamap_t map, vm_paddr_t buf, 805 bus_size_t buflen, int flags) 806{ 807 bus_addr_t curaddr; 808 bus_size_t sgsize; 809 | 34 35/* 36 * ARM bus dma support routines. 37 * 38 * XXX Things to investigate / fix some day... 39 * - What is the earliest that this API can be called? Could there be any 40 * fallout from changing the SYSINIT() order from SI_SUB_VM to SI_SUB_KMEM? 41 * - The manpage mentions the BUS_DMA_NOWAIT flag only in the context of the --- 760 unchanged lines hidden (view full) --- 802 803static void 804_bus_dmamap_count_phys(bus_dma_tag_t dmat, bus_dmamap_t map, vm_paddr_t buf, 805 bus_size_t buflen, int flags) 806{ 807 bus_addr_t curaddr; 808 bus_size_t sgsize; 809 |
| 810 if ((map->pagesneeded == 0)) { | 810 if (map->pagesneeded == 0) { |
| 811 CTR3(KTR_BUSDMA, "lowaddr= %d, boundary= %d, alignment= %d", 812 dmat->lowaddr, dmat->boundary, dmat->alignment); 813 CTR2(KTR_BUSDMA, "map= %p, pagesneeded= %d", 814 map, map->pagesneeded); 815 /* 816 * Count the number of bounce pages 817 * needed in order to complete this transfer 818 */ --- 14 unchanged lines hidden (view full) --- 833static void 834_bus_dmamap_count_pages(bus_dma_tag_t dmat, bus_dmamap_t map, pmap_t pmap, 835 void *buf, bus_size_t buflen, int flags) 836{ 837 vm_offset_t vaddr; 838 vm_offset_t vendaddr; 839 bus_addr_t paddr; 840 | 811 CTR3(KTR_BUSDMA, "lowaddr= %d, boundary= %d, alignment= %d", 812 dmat->lowaddr, dmat->boundary, dmat->alignment); 813 CTR2(KTR_BUSDMA, "map= %p, pagesneeded= %d", 814 map, map->pagesneeded); 815 /* 816 * Count the number of bounce pages 817 * needed in order to complete this transfer 818 */ --- 14 unchanged lines hidden (view full) --- 833static void 834_bus_dmamap_count_pages(bus_dma_tag_t dmat, bus_dmamap_t map, pmap_t pmap, 835 void *buf, bus_size_t buflen, int flags) 836{ 837 vm_offset_t vaddr; 838 vm_offset_t vendaddr; 839 bus_addr_t paddr; 840 |
| 841 if ((map->pagesneeded == 0)) { | 841 if (map->pagesneeded == 0) { |
| 842 CTR3(KTR_BUSDMA, "lowaddr= %d, boundary= %d, alignment= %d", 843 dmat->lowaddr, dmat->boundary, dmat->alignment); 844 CTR2(KTR_BUSDMA, "map= %p, pagesneeded= %d", 845 map, map->pagesneeded); 846 /* 847 * Count the number of bounce pages 848 * needed in order to complete this transfer 849 */ --- 648 unchanged lines hidden --- | 842 CTR3(KTR_BUSDMA, "lowaddr= %d, boundary= %d, alignment= %d", 843 dmat->lowaddr, dmat->boundary, dmat->alignment); 844 CTR2(KTR_BUSDMA, "map= %p, pagesneeded= %d", 845 map, map->pagesneeded); 846 /* 847 * Count the number of bounce pages 848 * needed in order to complete this transfer 849 */ --- 648 unchanged lines hidden --- |