1 /* $NetBSD: icp_ioctl.c,v 1.23 2022/01/21 21:40:31 andvar Exp $ */ 2 3 /*- 4 * Copyright (c) 2003 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of Wasabi Systems, Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Copyright (c) 2000-01 Intel Corporation 34 * All Rights Reserved 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions, and the following disclaimer, 41 * without modification, immediately at the beginning of the file. 42 * 2. Redistributions in binary form must reproduce the above copyright 43 * notice, this list of conditions and the following disclaimer in the 44 * documentation and/or other materials provided with the distribution. 45 * 3. The name of the author may not be used to endorse or promote products 46 * derived from this software without specific prior written permission. 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 51 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 52 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 58 * SUCH DAMAGE. 59 */ 60 61 /* 62 * icp_ioctl.c: Ioctl interface for the ICP-Vortex management tools. 63 * 64 * Based on ICP's FreeBSD "iir" driver ioctl interface, written by 65 * Achim Leubner <achim.leubner (at) intel.com>. 66 * 67 * This is intended to be ABI-compatible with the ioctl interface for 68 * other OSs. 69 */ 70 71 #include <sys/cdefs.h> 72 __KERNEL_RCSID(0, "$NetBSD: icp_ioctl.c,v 1.23 2022/01/21 21:40:31 andvar Exp $"); 73 74 #include <sys/param.h> 75 #include <sys/systm.h> 76 #include <sys/kernel.h> 77 #include <sys/device.h> 78 #include <sys/proc.h> 79 #include <sys/conf.h> 80 #include <sys/ioctl.h> 81 #include <sys/kauth.h> 82 83 #include <sys/bus.h> 84 85 #include <dev/ic/icpreg.h> 86 #include <dev/ic/icpvar.h> 87 88 #include "ioconf.h" 89 90 /* These are simply the same as ICP's "iir" driver for FreeBSD. */ 91 #define ICP_DRIVER_VERSION 1 92 #define ICP_DRIVER_SUBVERSION 3 93 94 static dev_type_open(icpopen); 95 static dev_type_ioctl(icpioctl); 96 97 const struct cdevsw icp_cdevsw = { 98 .d_open = icpopen, 99 .d_close = nullclose, 100 .d_read = noread, 101 .d_write = nowrite, 102 .d_ioctl = icpioctl, 103 .d_stop = nostop, 104 .d_tty = notty, 105 .d_poll = nopoll, 106 .d_mmap = nommap, 107 .d_kqfilter = nokqfilter, 108 .d_discard = nodiscard, 109 .d_flag = D_OTHER 110 }; 111 112 kmutex_t icp_ioctl_mutex; 113 114 static int 115 icpopen(dev_t dev, int flag, int mode, struct lwp *l) 116 { 117 118 if (device_lookup(&icp_cd, minor(dev)) == NULL) 119 return (ENXIO); 120 121 return (0); 122 } 123 124 static int 125 icpioctl(dev_t dev, u_long cmd, void *data, int flag, 126 struct lwp *l) 127 { 128 int error = 0; 129 130 mutex_enter(&icp_ioctl_mutex); 131 132 switch (cmd) { 133 case GDT_IOCTL_GENERAL: 134 { 135 struct icp_softc *icp; 136 gdt_ucmd_t *ucmd = (void *) data; 137 138 error = kauth_authorize_device_passthru(l->l_cred, dev, 139 KAUTH_REQ_DEVICE_RAWIO_PASSTHRU_ALL, data); 140 if (error) 141 break; 142 143 icp = device_lookup_private(&icp_cd, ucmd->io_node); 144 if (icp == NULL) { 145 error = ENXIO; 146 break; 147 } 148 149 error = icp_ucmd(icp, ucmd); 150 break; 151 } 152 153 case GDT_IOCTL_DRVERS: 154 *(int *) data = 155 (ICP_DRIVER_VERSION << 8) | ICP_DRIVER_SUBVERSION; 156 break; 157 158 case GDT_IOCTL_CTRTYPE: 159 { 160 struct icp_softc *icp; 161 gdt_ctrt_t *ctrt = (void *) data; 162 163 icp = device_lookup_private(&icp_cd, ctrt->io_node); 164 if (icp == NULL) { 165 error = ENXIO; 166 break; 167 } 168 169 /* XXX magic numbers */ 170 ctrt->oem_id = 0x8000; 171 ctrt->type = 0xfd; 172 ctrt->info = (icp->icp_pci_bus << 8) | (icp->icp_pci_device << 3); 173 ctrt->ext_type = 0x6000 | icp->icp_pci_subdevice_id; 174 ctrt->device_id = icp->icp_pci_device_id; 175 ctrt->sub_device_id = icp->icp_pci_subdevice_id; 176 break; 177 } 178 179 case GDT_IOCTL_OSVERS: 180 { 181 gdt_osv_t *osv = (void *) data; 182 183 osv->oscode = 12; 184 185 /* 186 * __NetBSD_Version__ is encoded thusly: 187 * 188 * MMmmrrpp00 189 * 190 * M = major version 191 * m = minor version 192 * r = release ["",A-Z[A-Z] but numeric] 193 * p = patchlevel 194 * 195 * Since the ABI is not supposed to change between 196 * patchlevels of the same major/minor version, we 197 * will encode major/minor/release into the returned 198 * data. 199 */ 200 201 osv->version = __NetBSD_Version__ / 100000000; 202 osv->subversion = (__NetBSD_Version__ / 1000000) % 100; 203 osv->revision = (__NetBSD_Version__ / 10000) % 100; 204 205 strcpy(osv->name, ostype); 206 break; 207 } 208 209 case GDT_IOCTL_CTRCNT: 210 *(int *) data = icp_count; 211 break; 212 213 case GDT_IOCTL_EVENT: 214 { 215 struct icp_softc *icp; 216 gdt_event_t *evt = (void *) data; 217 gdt_evt_str *e = &evt->dvr; 218 int s; 219 220 icp = device_lookup_private(&icp_cd, minor(dev)); 221 222 switch (evt->erase) { 223 case 0xff: 224 switch (evt->dvr.event_source) { 225 case GDT_ES_TEST: 226 e->event_data.size = 227 sizeof(e->event_data.eu.test); 228 break; 229 230 case GDT_ES_DRIVER: 231 e->event_data.size = 232 sizeof(e->event_data.eu.driver); 233 break; 234 235 case GDT_ES_SYNC: 236 e->event_data.size = 237 sizeof(e->event_data.eu.sync); 238 break; 239 240 default: 241 e->event_data.size = 242 sizeof(e->event_data.eu.async); 243 break; 244 } 245 s = splbio(); 246 icp_store_event(icp, e->event_source, e->event_idx, 247 &e->event_data); 248 splx(s); 249 break; 250 251 case 0xfe: 252 s = splbio(); 253 icp_clear_events(icp); 254 splx(s); 255 break; 256 257 case 0: 258 evt->handle = icp_read_event(icp, evt->handle, e); 259 break; 260 261 default: 262 icp_readapp_event(icp, (u_int8_t) evt->erase, e); 263 break; 264 } 265 break; 266 } 267 268 case GDT_IOCTL_STATIST: 269 memcpy(&icp_stats, data, sizeof(gdt_statist_t)); 270 break; 271 272 273 case GDT_IOCTL_RESCAN: 274 { 275 struct icp_softc *icp; 276 gdt_rescan_t *rsc = (void *) data; 277 278 icp = device_lookup_private(&icp_cd, rsc->io_node); 279 if (icp == NULL) { 280 error = ENXIO; 281 break; 282 } 283 284 error = icp_freeze(icp); 285 if (error) 286 break; 287 if (rsc->flag == 0) 288 icp_rescan_all(icp); 289 else 290 icp_rescan(icp, rsc->hdr_no); 291 icp_unfreeze(icp); 292 break; 293 } 294 295 default: 296 error = ENOTTY; 297 } 298 299 mutex_exit(&icp_ioctl_mutex); 300 301 return (error); 302 } 303
Indexes created Sun Sep 21 18:09:52 GMT 2025