1/*- 2 * Copyright (c) 2013, 2014 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 <hw/types.h> 27#include <hw/kernel.h> 28 29#include <bmk-core/pgalloc.h> 30 31#include <bmk-pcpu/pcpu.h> 32 33#include <bmk-rumpuser/core_types.h> 34 35#include "pci_user.h" 36 37int 38rumpcomp_pci_dmalloc(size_t size, size_t align, 39 unsigned long *pap, unsigned long *vap) 40{ 41 void *mem; 42 int i; 43 44 for (i = 0; size >> (i + BMK_PCPU_PAGE_SHIFT); i++) 45 continue; 46 if (align < BMK_PCPU_PAGE_SIZE) 47 align = BMK_PCPU_PAGE_SIZE; 48 49 mem = bmk_pgalloc_align(i, align); 50 if (!mem) 51 return BMK_ENOMEM; 52 53 *pap = (unsigned long)mem; 54 *vap = (unsigned long)mem; 55 56 return 0; 57} 58 59int 60rumpcomp_pci_dmamem_map(struct rumpcomp_pci_dmaseg *dss, size_t nseg, 61 size_t totlen, void **vap) 62{ 63 64 if (nseg > 1) 65 return 1; 66 67 *vap = (void *)dss[0].ds_vacookie; 68 return 0; 69} 70 71void 72rumpcomp_pci_dmafree(unsigned long mem, size_t size) 73{ 74 int i; 75 76 for (i = 0; size >> (i + BMK_PCPU_PAGE_SHIFT); i++) 77 continue; 78 bmk_pgfree((void *)mem, i); 79} 80 81unsigned long 82rumpcomp_pci_virt_to_mach(void *virt) 83{ 84 85 return (unsigned long)virt; 86} 87