icp_ioctl.c revision 1.14
1 /* $NetBSD: icp_ioctl.c,v 1.14 2006/12/02 03:10:43 elad 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 1.14 2006/12/02 03:10:43 elad 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 <machine/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 static struct lock icp_ioctl_mutex = 110 LOCK_INITIALIZER(PRIBIO|PCATCH, "icplk", 0, 0); 111 112 static int 113 icpopen(dev_t dev, int flag, int mode, struct lwp *l) 114 { 115 116 if (device_lookup(&icp_cd, minor(dev)) == NULL) 117 return (ENXIO); 118 119 return (0); 120 } 121 122 static int 123 icpioctl(dev_t dev, u_long cmd, caddr_t data, int flag, 124 struct lwp *l) 125 { 126 int error; 127 128 if ((error = lockmgr(&icp_ioctl_mutex, LK_EXCLUSIVE, NULL)) != 0) 129 return (error); 130 131 switch (cmd) { 132 case GDT_IOCTL_GENERAL: 133 { 134 struct icp_softc *icp; 135 gdt_ucmd_t *ucmd = (void *) data; 136 137 error = kauth_authorize_device_passthru(l->l_cred, dev, 138 KAUTH_REQ_DEVICE_RAWIO_PASSTHRU_ALL, data); 139 if (error) 140 break; 141 142 icp = device_lookup(&icp_cd, ucmd->io_node); 143 if (icp == NULL) { 144 error = ENXIO; 145 break; 146 } 147 148 error = icp_ucmd(icp, ucmd); 149 break; 150 } 151 152 case GDT_IOCTL_DRVERS: 153 *(int *) data = 154 (ICP_DRIVER_VERSION << 8) | ICP_DRIVER_SUBVERSION; 155 break; 156 157 case GDT_IOCTL_CTRTYPE: 158 { 159 struct icp_softc *icp; 160 gdt_ctrt_t *ctrt = (void *) data; 161 162 icp = device_lookup(&icp_cd, ctrt->io_node); 163 if (icp == NULL) { 164 error = ENXIO; 165 break; 166 } 167 168 /* XXX magic numbers */ 169 ctrt->oem_id = 0x8000; 170 ctrt->type = 0xfd; 171 ctrt->info = (icp->icp_pci_bus << 8) | (icp->icp_pci_device << 3); 172 ctrt->ext_type = 0x6000 | icp->icp_pci_subdevice_id; 173 ctrt->device_id = icp->icp_pci_device_id; 174 ctrt->sub_device_id = icp->icp_pci_subdevice_id; 175 break; 176 } 177 178 case GDT_IOCTL_OSVERS: 179 { 180 gdt_osv_t *osv = (void *) data; 181 182 osv->oscode = 12; 183 184 /* 185 * __NetBSD_Version__ is encoded thusly: 186 * 187 * MMmmrrpp00 188 * 189 * M = major version 190 * m = minor version 191 * r = release ["",A-Z[A-Z] but numeric] 192 * p = patchlevel 193 * 194 * Since the ABI is not supposed to change between 195 * patchlevels of the same major/minor version, we 196 * will encode major/minor/release into the returned 197 * data. 198 */ 199 200 osv->version = __NetBSD_Version__ / 100000000; 201 osv->subversion = (__NetBSD_Version__ / 1000000) % 100; 202 osv->revision = (__NetBSD_Version__ / 10000) % 100; 203 204 strcpy(osv->name, ostype); 205 break; 206 } 207 208 case GDT_IOCTL_CTRCNT: 209 *(int *) data = icp_count; 210 break; 211 212 case GDT_IOCTL_EVENT: 213 { 214 struct icp_softc *icp; 215 gdt_event_t *evt = (void *) data; 216 gdt_evt_str *e = &evt->dvr; 217 int s; 218 219 icp = device_lookup(&icp_cd, minor(dev)); 220 221 switch (evt->erase) { 222 case 0xff: 223 switch (evt->dvr.event_source) { 224 case GDT_ES_TEST: 225 e->event_data.size = 226 sizeof(e->event_data.eu.test); 227 break; 228 229 case GDT_ES_DRIVER: 230 e->event_data.size = 231 sizeof(e->event_data.eu.driver); 232 break; 233 234 case GDT_ES_SYNC: 235 e->event_data.size = 236 sizeof(e->event_data.eu.sync); 237 break; 238 239 default: 240 e->event_data.size = 241 sizeof(e->event_data.eu.async); 242 break; 243 } 244 s = splbio(); 245 icp_store_event(icp, e->event_source, e->event_idx, 246 &e->event_data); 247 splx(s); 248 break; 249 250 case 0xfe: 251 s = splbio(); 252 icp_clear_events(icp); 253 splx(s); 254 break; 255 256 case 0: 257 evt->handle = icp_read_event(icp, evt->handle, e); 258 break; 259 260 default: 261 icp_readapp_event(icp, (u_int8_t) evt->erase, e); 262 break; 263 } 264 break; 265 } 266 267 case GDT_IOCTL_STATIST: 268 memcpy(&icp_stats, data, sizeof(gdt_statist_t)); 269 break; 270 271 272 case GDT_IOCTL_RESCAN: 273 { 274 struct icp_softc *icp; 275 gdt_rescan_t *rsc = (void *) data; 276 277 icp = device_lookup(&icp_cd, rsc->io_node); 278 if (icp == NULL) { 279 error = ENXIO; 280 break; 281 } 282 283 error = icp_freeze(icp); 284 if (error) 285 break; 286 if (rsc->flag == 0) 287 icp_rescan_all(icp); 288 else 289 icp_rescan(icp, rsc->hdr_no); 290 icp_unfreeze(icp); 291 break; 292 } 293 294 default: 295 error = ENOTTY; 296 } 297 298 (void) lockmgr(&icp_ioctl_mutex, LK_RELEASE, NULL); 299 300 return (error); 301 } 302
Indexes created Mon Sep 22 13:09:51 GMT 2025