icp_ioctl.c revision 1.17
1 /* $NetBSD: icp_ioctl.c,v 1.17 2007/10/19 11:59:53 ad 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Copyright (c) 2000-01 Intel Corporation 41 * All Rights Reserved 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions, and the following disclaimer, 48 * without modification, immediately at the beginning of the file. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 3. The name of the author may not be used to endorse or promote products 53 * derived from this software without specific prior written permission. 54 * 55 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 56 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 57 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 58 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 59 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 60 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 61 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 62 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 63 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 64 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 65 * SUCH DAMAGE. 66 */ 67 68 /* 69 * icp_ioctl.c: Ioctl interface for the ICP-Vortex management tools. 70 * 71 * Based on ICP's FreeBSD "iir" driver ioctl interface, written by 72 * Achim Leubner <achim.leubner (at) intel.com>. 73 * 74 * This is intended to be ABI-compatile with the ioctl interface for 75 * other OSs. 76 */ 77 78 #include <sys/cdefs.h> 79 __KERNEL_RCSID(0, "$NetBSD: icp_ioctl.c,v 1.17 2007/10/19 11:59:53 ad Exp $"); 80 81 #include <sys/param.h> 82 #include <sys/systm.h> 83 #include <sys/kernel.h> 84 #include <sys/device.h> 85 #include <sys/proc.h> 86 #include <sys/conf.h> 87 #include <sys/ioctl.h> 88 #include <sys/kauth.h> 89 90 #include <sys/bus.h> 91 92 #include <dev/ic/icpreg.h> 93 #include <dev/ic/icpvar.h> 94 95 /* These are simply the same as ICP's "iir" driver for FreeBSD. */ 96 #define ICP_DRIVER_VERSION 1 97 #define ICP_DRIVER_SUBVERSION 3 98 99 static dev_type_open(icpopen); 100 static dev_type_ioctl(icpioctl); 101 102 const struct cdevsw icp_cdevsw = { 103 icpopen, nullclose, noread, nowrite, icpioctl, 104 nostop, notty, nopoll, nommap, nokqfilter, D_OTHER, 105 }; 106 107 extern struct cfdriver icp_cd; 108 109 kmutex_t icp_ioctl_mutex; 110 111 static int 112 icpopen(dev_t dev, int flag, int mode, struct lwp *l) 113 { 114 115 if (device_lookup(&icp_cd, minor(dev)) == NULL) 116 return (ENXIO); 117 118 return (0); 119 } 120 121 static int 122 icpioctl(dev_t dev, u_long cmd, void *data, int flag, 123 struct lwp *l) 124 { 125 int error = 0; 126 127 mutex_enter(&icp_ioctl_mutex); 128 129 switch (cmd) { 130 case GDT_IOCTL_GENERAL: 131 { 132 struct icp_softc *icp; 133 gdt_ucmd_t *ucmd = (void *) data; 134 135 error = kauth_authorize_device_passthru(l->l_cred, dev, 136 KAUTH_REQ_DEVICE_RAWIO_PASSTHRU_ALL, data); 137 if (error) 138 break; 139 140 icp = device_lookup(&icp_cd, ucmd->io_node); 141 if (icp == NULL) { 142 error = ENXIO; 143 break; 144 } 145 146 error = icp_ucmd(icp, ucmd); 147 break; 148 } 149 150 case GDT_IOCTL_DRVERS: 151 *(int *) data = 152 (ICP_DRIVER_VERSION << 8) | ICP_DRIVER_SUBVERSION; 153 break; 154 155 case GDT_IOCTL_CTRTYPE: 156 { 157 struct icp_softc *icp; 158 gdt_ctrt_t *ctrt = (void *) data; 159 160 icp = device_lookup(&icp_cd, ctrt->io_node); 161 if (icp == NULL) { 162 error = ENXIO; 163 break; 164 } 165 166 /* XXX magic numbers */ 167 ctrt->oem_id = 0x8000; 168 ctrt->type = 0xfd; 169 ctrt->info = (icp->icp_pci_bus << 8) | (icp->icp_pci_device << 3); 170 ctrt->ext_type = 0x6000 | icp->icp_pci_subdevice_id; 171 ctrt->device_id = icp->icp_pci_device_id; 172 ctrt->sub_device_id = icp->icp_pci_subdevice_id; 173 break; 174 } 175 176 case GDT_IOCTL_OSVERS: 177 { 178 gdt_osv_t *osv = (void *) data; 179 180 osv->oscode = 12; 181 182 /* 183 * __NetBSD_Version__ is encoded thusly: 184 * 185 * MMmmrrpp00 186 * 187 * M = major version 188 * m = minor version 189 * r = release ["",A-Z[A-Z] but numeric] 190 * p = patchlevel 191 * 192 * Since the ABI is not supposed to change between 193 * patchlevels of the same major/minor version, we 194 * will encode major/minor/release into the returned 195 * data. 196 */ 197 198 osv->version = __NetBSD_Version__ / 100000000; 199 osv->subversion = (__NetBSD_Version__ / 1000000) % 100; 200 osv->revision = (__NetBSD_Version__ / 10000) % 100; 201 202 strcpy(osv->name, ostype); 203 break; 204 } 205 206 case GDT_IOCTL_CTRCNT: 207 *(int *) data = icp_count; 208 break; 209 210 case GDT_IOCTL_EVENT: 211 { 212 struct icp_softc *icp; 213 gdt_event_t *evt = (void *) data; 214 gdt_evt_str *e = &evt->dvr; 215 int s; 216 217 icp = device_lookup(&icp_cd, minor(dev)); 218 219 switch (evt->erase) { 220 case 0xff: 221 switch (evt->dvr.event_source) { 222 case GDT_ES_TEST: 223 e->event_data.size = 224 sizeof(e->event_data.eu.test); 225 break; 226 227 case GDT_ES_DRIVER: 228 e->event_data.size = 229 sizeof(e->event_data.eu.driver); 230 break; 231 232 case GDT_ES_SYNC: 233 e->event_data.size = 234 sizeof(e->event_data.eu.sync); 235 break; 236 237 default: 238 e->event_data.size = 239 sizeof(e->event_data.eu.async); 240 break; 241 } 242 s = splbio(); 243 icp_store_event(icp, e->event_source, e->event_idx, 244 &e->event_data); 245 splx(s); 246 break; 247 248 case 0xfe: 249 s = splbio(); 250 icp_clear_events(icp); 251 splx(s); 252 break; 253 254 case 0: 255 evt->handle = icp_read_event(icp, evt->handle, e); 256 break; 257 258 default: 259 icp_readapp_event(icp, (u_int8_t) evt->erase, e); 260 break; 261 } 262 break; 263 } 264 265 case GDT_IOCTL_STATIST: 266 memcpy(&icp_stats, data, sizeof(gdt_statist_t)); 267 break; 268 269 270 case GDT_IOCTL_RESCAN: 271 { 272 struct icp_softc *icp; 273 gdt_rescan_t *rsc = (void *) data; 274 275 icp = device_lookup(&icp_cd, rsc->io_node); 276 if (icp == NULL) { 277 error = ENXIO; 278 break; 279 } 280 281 error = icp_freeze(icp); 282 if (error) 283 break; 284 if (rsc->flag == 0) 285 icp_rescan_all(icp); 286 else 287 icp_rescan(icp, rsc->hdr_no); 288 icp_unfreeze(icp); 289 break; 290 } 291 292 default: 293 error = ENOTTY; 294 } 295 296 mutex_exit(&icp_ioctl_mutex); 297 298 return (error); 299 } 300
Indexes created Tue Sep 23 14:10:03 GMT 2025