icp_ioctl.c revision 1.10
1 /* $NetBSD: icp_ioctl.c,v 1.10 2006/08/30 15:25:58 christos 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 1.10 2006/08/30 15:25:58 christos 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 89 #include <machine/bus.h> 90 91 #include <dev/ic/icpreg.h> 92 #include <dev/ic/icpvar.h> 93 94 /* These are simply the same as ICP's "iir" driver for FreeBSD. */ 95 #define ICP_DRIVER_VERSION 1 96 #define ICP_DRIVER_SUBVERSION 3 97 98 static dev_type_open(icpopen); 99 static dev_type_ioctl(icpioctl); 100 101 const struct cdevsw icp_cdevsw = { 102 icpopen, nullclose, noread, nowrite, icpioctl, 103 nostop, notty, nopoll, nommap, nokqfilter, D_OTHER, 104 }; 105 106 extern struct cfdriver icp_cd; 107 108 static struct lock icp_ioctl_mutex = 109 LOCK_INITIALIZER(PRIBIO|PCATCH, "icplk", 0, 0); 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, caddr_t data, int flag, struct lwp *l) 123 { 124 int error; 125 126 if ((error = lockmgr(&icp_ioctl_mutex, LK_EXCLUSIVE, NULL)) != 0) 127 return (error); 128 129 switch (cmd) { 130 case GDT_IOCTL_GENERAL: 131 { 132 struct icp_softc *icp; 133 gdt_ucmd_t *ucmd = (void *) data; 134 135 if (securelevel > 1) 136 return (EPERM); 137 138 icp = device_lookup(&icp_cd, ucmd->io_node); 139 if (icp == NULL) { 140 error = ENXIO; 141 break; 142 } 143 144 error = icp_ucmd(icp, ucmd); 145 break; 146 } 147 148 case GDT_IOCTL_DRVERS: 149 *(int *) data = 150 (ICP_DRIVER_VERSION << 8) | ICP_DRIVER_SUBVERSION; 151 break; 152 153 case GDT_IOCTL_CTRTYPE: 154 { 155 struct icp_softc *icp; 156 gdt_ctrt_t *ctrt = (void *) data; 157 158 icp = device_lookup(&icp_cd, ctrt->io_node); 159 if (icp == NULL) { 160 error = ENXIO; 161 break; 162 } 163 164 /* XXX magic numbers */ 165 ctrt->oem_id = 0x8000; 166 ctrt->type = 0xfd; 167 ctrt->info = (icp->icp_pci_bus << 8) | (icp->icp_pci_device << 3); 168 ctrt->ext_type = 0x6000 | icp->icp_pci_subdevice_id; 169 ctrt->device_id = icp->icp_pci_device_id; 170 ctrt->sub_device_id = icp->icp_pci_subdevice_id; 171 break; 172 } 173 174 case GDT_IOCTL_OSVERS: 175 { 176 gdt_osv_t *osv = (void *) data; 177 178 osv->oscode = 12; 179 180 /* 181 * __NetBSD_Version__ is encoded thusly: 182 * 183 * MMmmrrpp00 184 * 185 * M = major version 186 * m = minor version 187 * r = release ["",A-Z[A-Z] but numeric] 188 * p = patchlevel 189 * 190 * Since the ABI is not supposed to change between 191 * patchlevels of the same major/minor version, we 192 * will encode major/minor/release into the returned 193 * data. 194 */ 195 196 osv->version = __NetBSD_Version__ / 100000000; 197 osv->subversion = (__NetBSD_Version__ / 1000000) % 100; 198 osv->revision = (__NetBSD_Version__ / 10000) % 100; 199 200 strcpy(osv->name, ostype); 201 break; 202 } 203 204 case GDT_IOCTL_CTRCNT: 205 *(int *) data = icp_count; 206 break; 207 208 case GDT_IOCTL_EVENT: 209 { 210 struct icp_softc *icp; 211 gdt_event_t *evt = (void *) data; 212 gdt_evt_str *e = &evt->dvr; 213 int s; 214 215 icp = device_lookup(&icp_cd, minor(dev)); 216 217 switch (evt->erase) { 218 case 0xff: 219 switch (evt->dvr.event_source) { 220 case GDT_ES_TEST: 221 e->event_data.size = 222 sizeof(e->event_data.eu.test); 223 break; 224 225 case GDT_ES_DRIVER: 226 e->event_data.size = 227 sizeof(e->event_data.eu.driver); 228 break; 229 230 case GDT_ES_SYNC: 231 e->event_data.size = 232 sizeof(e->event_data.eu.sync); 233 break; 234 235 default: 236 e->event_data.size = 237 sizeof(e->event_data.eu.async); 238 break; 239 } 240 s = splbio(); 241 icp_store_event(icp, e->event_source, e->event_idx, 242 &e->event_data); 243 splx(s); 244 break; 245 246 case 0xfe: 247 s = splbio(); 248 icp_clear_events(icp); 249 splx(s); 250 break; 251 252 case 0: 253 evt->handle = icp_read_event(icp, evt->handle, e); 254 break; 255 256 default: 257 icp_readapp_event(icp, (u_int8_t) evt->erase, e); 258 break; 259 } 260 break; 261 } 262 263 case GDT_IOCTL_STATIST: 264 memcpy(&icp_stats, data, sizeof(gdt_statist_t)); 265 break; 266 267 268 case GDT_IOCTL_RESCAN: 269 { 270 struct icp_softc *icp; 271 gdt_rescan_t *rsc = (void *) data; 272 273 icp = device_lookup(&icp_cd, rsc->io_node); 274 if (icp == NULL) { 275 error = ENXIO; 276 break; 277 } 278 279 error = icp_freeze(icp); 280 if (error) 281 break; 282 if (rsc->flag == 0) 283 icp_rescan_all(icp); 284 else 285 icp_rescan(icp, rsc->hdr_no); 286 icp_unfreeze(icp); 287 break; 288 } 289 290 default: 291 error = ENOTTY; 292 } 293 294 (void) lockmgr(&icp_ioctl_mutex, LK_RELEASE, NULL); 295 296 return (error); 297 } 298
Indexes created Mon Sep 22 13:09:51 GMT 2025