| iommu.c (111553) | iommu.c (113238) |
|---|---|
| 1/* 2 * Copyright (c) 1999, 2000 Matthew R. Green 3 * Copyright (c) 2001-2003 Thomas Moestl 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 92 unchanged lines hidden (view full) --- 101 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 102 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 103 * SUCH DAMAGE. 104 * 105 * from: NetBSD: sbus.c,v 1.13 1999/05/23 07:24:02 mrg Exp 106 * from: @(#)sbus.c 8.1 (Berkeley) 6/11/93 107 * from: NetBSD: iommu.c,v 1.42 2001/08/06 22:02:58 eeh Exp 108 * | 1/* 2 * Copyright (c) 1999, 2000 Matthew R. Green 3 * Copyright (c) 2001-2003 Thomas Moestl 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 92 unchanged lines hidden (view full) --- 101 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 102 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 103 * SUCH DAMAGE. 104 * 105 * from: NetBSD: sbus.c,v 1.13 1999/05/23 07:24:02 mrg Exp 106 * from: @(#)sbus.c 8.1 (Berkeley) 6/11/93 107 * from: NetBSD: iommu.c,v 1.42 2001/08/06 22:02:58 eeh Exp 108 * |
| 109 * $FreeBSD: head/sys/sparc64/sparc64/iommu.c 111553 2003-02-26 15:02:55Z mux $ | 109 * $FreeBSD: head/sys/sparc64/sparc64/iommu.c 113238 2003-04-08 06:35:09Z jake $ |
| 110 */ 111 112/* 113 * UltraSPARC IOMMU support; used by both the sbus and pci code. 114 * Currently, the IOTSBs are synchronized, because determining the bus the map 115 * is to be loaded for is not possible with the current busdma code. 116 * The code is structured so that the IOMMUs can be easily divorced when that 117 * is fixed. --- 279 unchanged lines hidden (view full) --- 397 } 398 } 399} 400 401/* 402 * Here are the iommu control routines. 403 */ 404void | 110 */ 111 112/* 113 * UltraSPARC IOMMU support; used by both the sbus and pci code. 114 * Currently, the IOTSBs are synchronized, because determining the bus the map 115 * is to be loaded for is not possible with the current busdma code. 116 * The code is structured so that the IOMMUs can be easily divorced when that 117 * is fixed. --- 279 unchanged lines hidden (view full) --- 397 } 398 } 399} 400 401/* 402 * Here are the iommu control routines. 403 */ 404void |
| 405iommu_enter(struct iommu_state *is, vm_offset_t va, vm_offset_t pa, int flags) | 405iommu_enter(struct iommu_state *is, vm_offset_t va, vm_paddr_t pa, int flags) |
| 406{ 407 int64_t tte; 408 409 KASSERT(va >= is->is_dvmabase, 410 ("iommu_enter: va %#lx not in DVMA space", va)); 411 412 tte = MAKEIOTTE(pa, !(flags & BUS_DMA_NOWRITE), 413 !(flags & BUS_DMA_NOCACHE), (flags & BUS_DMA_STREAMING)); --- 365 unchanged lines hidden (view full) --- 779/* 780 * IOMMU DVMA operations, common to SBUS and PCI. 781 */ 782static int 783iommu_dvmamap_load_buffer(bus_dma_tag_t dt, struct iommu_state *is, 784 bus_dmamap_t map, bus_dma_segment_t sgs[], void *buf, 785 bus_size_t buflen, struct thread *td, int flags, int *segp, int align) 786{ | 406{ 407 int64_t tte; 408 409 KASSERT(va >= is->is_dvmabase, 410 ("iommu_enter: va %#lx not in DVMA space", va)); 411 412 tte = MAKEIOTTE(pa, !(flags & BUS_DMA_NOWRITE), 413 !(flags & BUS_DMA_NOCACHE), (flags & BUS_DMA_STREAMING)); --- 365 unchanged lines hidden (view full) --- 779/* 780 * IOMMU DVMA operations, common to SBUS and PCI. 781 */ 782static int 783iommu_dvmamap_load_buffer(bus_dma_tag_t dt, struct iommu_state *is, 784 bus_dmamap_t map, bus_dma_segment_t sgs[], void *buf, 785 bus_size_t buflen, struct thread *td, int flags, int *segp, int align) 786{ |
| 787 bus_size_t sgsize; 788 vm_offset_t curaddr, vaddr, voffs; | |
| 789 bus_addr_t amask, dvmaddr; | 787 bus_addr_t amask, dvmaddr; |
| 788 bus_size_t sgsize; 789 vm_offset_t vaddr, voffs; 790 vm_paddr_t curaddr; |
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| 790 int error, sgcnt, firstpg; 791 pmap_t pmap = NULL; 792 793 KASSERT(buflen != 0, ("iommu_dvmamap_load_buffer: buflen == 0!")); 794 if (buflen > dt->dt_maxsize) 795 return (EINVAL); 796 797 if (td != NULL) --- 282 unchanged lines hidden --- | 791 int error, sgcnt, firstpg; 792 pmap_t pmap = NULL; 793 794 KASSERT(buflen != 0, ("iommu_dvmamap_load_buffer: buflen == 0!")); 795 if (buflen > dt->dt_maxsize) 796 return (EINVAL); 797 798 if (td != NULL) --- 282 unchanged lines hidden --- |