1 1.6 simonb /* $NetBSD: netbsd32_rndpseudo_50.c,v 1.6 2021/01/19 03:20:13 simonb Exp $ */ 2 1.2 pgoyette 3 1.2 pgoyette /*- 4 1.2 pgoyette * Copyright (c) 1997-2011 The NetBSD Foundation, Inc. 5 1.2 pgoyette * All rights reserved. 6 1.2 pgoyette * 7 1.2 pgoyette * This code is derived from software contributed to The NetBSD Foundation 8 1.2 pgoyette * by Michael Graff <explorer (at) flame.org> and Thor Lancelot Simon. 9 1.2 pgoyette * 10 1.2 pgoyette * Redistribution and use in source and binary forms, with or without 11 1.2 pgoyette * modification, are permitted provided that the following conditions 12 1.2 pgoyette * are met: 13 1.2 pgoyette * 1. Redistributions of source code must retain the above copyright 14 1.2 pgoyette * notice, this list of conditions and the following disclaimer. 15 1.2 pgoyette * 2. Redistributions in binary form must reproduce the above copyright 16 1.2 pgoyette * notice, this list of conditions and the following disclaimer in the 17 1.2 pgoyette * documentation and/or other materials provided with the distribution. 18 1.2 pgoyette * 19 1.2 pgoyette * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2 pgoyette * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2 pgoyette * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2 pgoyette * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2 pgoyette * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2 pgoyette * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2 pgoyette * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2 pgoyette * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2 pgoyette * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2 pgoyette * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2 pgoyette * POSSIBILITY OF SUCH DAMAGE. 30 1.2 pgoyette */ 31 1.2 pgoyette 32 1.2 pgoyette #include <sys/cdefs.h> 33 1.6 simonb __KERNEL_RCSID(0, "$NetBSD: netbsd32_rndpseudo_50.c,v 1.6 2021/01/19 03:20:13 simonb Exp $"); 34 1.2 pgoyette 35 1.2 pgoyette #if defined(_KERNEL_OPT) 36 1.2 pgoyette #include "opt_compat_netbsd.h" 37 1.2 pgoyette #include "opt_compat_netbsd32.h" 38 1.2 pgoyette #endif 39 1.2 pgoyette 40 1.2 pgoyette #include <sys/param.h> 41 1.2 pgoyette #include <sys/file.h> 42 1.2 pgoyette 43 1.3 christos #include <compat/netbsd32/netbsd32.h> 44 1.2 pgoyette #include <compat/sys/rnd.h> 45 1.2 pgoyette 46 1.2 pgoyette /* 47 1.2 pgoyette * Convert from rndsource_t to rndsource50_t, for the results from 48 1.2 pgoyette * RNDGETNUM50 and RNDGETNAME50. 49 1.2 pgoyette */ 50 1.2 pgoyette 51 1.2 pgoyette /* 52 1.2 pgoyette * Convert from rndsource_t to rndsource50_32_t, for the results from 53 1.2 pgoyette * RNDGETNUM50_32 and RNDGETNAME50_32. 54 1.2 pgoyette */ 55 1.2 pgoyette static void 56 1.2 pgoyette rndsource_to_rndsource50_32(rndsource_t *r, rndsource50_32_t *r50_32) 57 1.2 pgoyette { 58 1.2 pgoyette memset(r50_32, 0, sizeof(*r50_32)); 59 1.2 pgoyette strlcpy(r50_32->name, r->name, sizeof(r50_32->name)); 60 1.2 pgoyette r50_32->total = r->total; 61 1.2 pgoyette r50_32->type = r->type; 62 1.2 pgoyette r50_32->flags = r->flags; 63 1.2 pgoyette } 64 1.2 pgoyette 65 1.2 pgoyette /* 66 1.2 pgoyette * COMPAT32_50 handling for rnd_ioctl. This is called from rnd_ioctl. 67 1.2 pgoyette * 68 1.2 pgoyette * It also handles the case of (COMPAT_50 && COMPAT_NETBSD32). 69 1.2 pgoyette */ 70 1.2 pgoyette int 71 1.2 pgoyette compat32_50_rnd_ioctl(struct file *fp, u_long cmd, void *addr) 72 1.2 pgoyette { 73 1.2 pgoyette int ret = 0; 74 1.2 pgoyette 75 1.2 pgoyette switch (cmd) { 76 1.2 pgoyette case RNDGETSRCNUM50_32: 77 1.2 pgoyette { 78 1.2 pgoyette rndstat_t rstbuf = {.start = 0}; 79 1.2 pgoyette rndstat50_32_t *rst50_32 = (rndstat50_32_t *)addr; 80 1.4 christos size_t count; 81 1.2 pgoyette 82 1.2 pgoyette if (rst50_32->count > RND_MAXSTATCOUNT50) 83 1.6 simonb return EINVAL; 84 1.2 pgoyette 85 1.2 pgoyette rstbuf.start = rst50_32->start; 86 1.2 pgoyette rstbuf.count = rst50_32->count; 87 1.2 pgoyette 88 1.2 pgoyette ret = (fp->f_ops->fo_ioctl)(fp, RNDGETSRCNUM, &rstbuf); 89 1.2 pgoyette if (ret != 0) 90 1.2 pgoyette return ret; 91 1.2 pgoyette 92 1.2 pgoyette for (count = 0; count < rst50_32->count; count++) { 93 1.2 pgoyette rndsource_to_rndsource50_32(&rstbuf.source[count], 94 1.2 pgoyette &rst50_32->source[count]); 95 1.2 pgoyette } 96 1.2 pgoyette rst50_32->count = rstbuf.count; 97 1.2 pgoyette 98 1.2 pgoyette break; 99 1.2 pgoyette } 100 1.2 pgoyette 101 1.2 pgoyette case RNDGETSRCNAME50_32: 102 1.2 pgoyette { 103 1.2 pgoyette rndstat_name_t rstnmbuf = {.name[0] = 0}; 104 1.2 pgoyette rndstat_name50_32_t *rstnm50_32; 105 1.2 pgoyette rstnm50_32 = (rndstat_name50_32_t *)addr; 106 1.2 pgoyette 107 1.2 pgoyette strlcpy(rstnmbuf.name, rstnm50_32->name, sizeof(rstnmbuf.name)); 108 1.2 pgoyette 109 1.2 pgoyette ret = (fp->f_ops->fo_ioctl)(fp, RNDGETSRCNAME, &rstnmbuf); 110 1.2 pgoyette if (ret != 0) 111 1.2 pgoyette return ret; 112 1.2 pgoyette 113 1.2 pgoyette rndsource_to_rndsource50_32(&rstnmbuf.source, 114 1.2 pgoyette &rstnm50_32->source); 115 1.2 pgoyette 116 1.2 pgoyette break; 117 1.2 pgoyette } 118 1.2 pgoyette 119 1.2 pgoyette default: 120 1.2 pgoyette return ENOTTY; 121 1.2 pgoyette } 122 1.2 pgoyette 123 1.2 pgoyette return ret; 124 1.2 pgoyette } 125
Indexes created Sun Sep 21 20:09:37 GMT 2025