1/*- 2 * Copyright (c) 2013 Antti Kantee. All Rights Reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 14 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 */ 25 26#include <mini-os/os.h> 27#include <mini-os/ioremap.h> 28#include <mini-os/pcifront.h> 29#include <mini-os/events.h> 30#include <mini-os/mm.h> 31#include <mini-os/hypervisor.h> 32 33#include <bmk-core/errno.h> 34#include <bmk-core/memalloc.h> 35 36#include "pci_user.h" 37 38int 39rumpcomp_pci_dmalloc(size_t size, size_t align, 40 unsigned long *pap, unsigned long *vap) 41{ 42 unsigned long va; 43 int i; 44 45 for (i = 0; size >> (i + PAGE_SHIFT); i++) 46 continue; 47 48 va = minios_alloc_contig_pages(i, 0); /* XXX: MD interface */ 49 *vap = (uintptr_t)va; 50 *pap = virt_to_mach(va); 51 52 return 0; 53} 54 55int 56rumpcomp_pci_dmamem_map(struct rumpcomp_pci_dmaseg *dss, size_t nseg, 57 size_t totlen, void **vap) 58{ 59 60 if (nseg > 1) { 61 return BMK_EIO; 62 } 63 *vap = (void *)dss[0].ds_vacookie; 64 65 return 0; 66} 67 68unsigned long 69rumpcomp_pci_virt_to_mach(void *virt) 70{ 71 72 return virt_to_mach(virt); 73} 74