icp_ioctl.c revision 1.17.16.2
1 /* $NetBSD: icp_ioctl.c,v 1.17.16.2 2008/06/29 09:33:07 mjf 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-compatile with the ioctl interface for 68 * other OSs. 69 */ 70 71 #include <sys/cdefs.h> 72 __KERNEL_RCSID(0, "$NetBSD: icp_ioctl.c,v 1.17.16.2 2008/06/29 09:33:07 mjf 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 /* These are simply the same as ICP's "iir" driver for FreeBSD. */ 89 #define ICP_DRIVER_VERSION 1 90 #define ICP_DRIVER_SUBVERSION 3 91 92 static dev_type_open(icpopen); 93 static dev_type_ioctl(icpioctl); 94 95 const struct cdevsw icp_cdevsw = { 96 icpopen, nullclose, noread, nowrite, icpioctl, 97 nostop, notty, nopoll, nommap, nokqfilter, D_OTHER, 98 }; 99 100 extern struct cfdriver icp_cd; 101 102 kmutex_t icp_ioctl_mutex; 103 104 static int 105 icpopen(dev_t dev, int flag, int mode, struct lwp *l) 106 { 107 108 if (device_lookup(&icp_cd, minor(dev)) == NULL) 109 return (ENXIO); 110 111 return (0); 112 } 113 114 static int 115 icpioctl(dev_t dev, u_long cmd, void *data, int flag, 116 struct lwp *l) 117 { 118 int error = 0; 119 120 mutex_enter(&icp_ioctl_mutex); 121 122 switch (cmd) { 123 case GDT_IOCTL_GENERAL: 124 { 125 struct icp_softc *icp; 126 gdt_ucmd_t *ucmd = (void *) data; 127 128 error = kauth_authorize_device_passthru(l->l_cred, dev, 129 KAUTH_REQ_DEVICE_RAWIO_PASSTHRU_ALL, data); 130 if (error) 131 break; 132 133 icp = device_lookup_private(&icp_cd, ucmd->io_node); 134 if (icp == NULL) { 135 error = ENXIO; 136 break; 137 } 138 139 error = icp_ucmd(icp, ucmd); 140 break; 141 } 142 143 case GDT_IOCTL_DRVERS: 144 *(int *) data = 145 (ICP_DRIVER_VERSION << 8) | ICP_DRIVER_SUBVERSION; 146 break; 147 148 case GDT_IOCTL_CTRTYPE: 149 { 150 struct icp_softc *icp; 151 gdt_ctrt_t *ctrt = (void *) data; 152 153 icp = device_lookup_private(&icp_cd, ctrt->io_node); 154 if (icp == NULL) { 155 error = ENXIO; 156 break; 157 } 158 159 /* XXX magic numbers */ 160 ctrt->oem_id = 0x8000; 161 ctrt->type = 0xfd; 162 ctrt->info = (icp->icp_pci_bus << 8) | (icp->icp_pci_device << 3); 163 ctrt->ext_type = 0x6000 | icp->icp_pci_subdevice_id; 164 ctrt->device_id = icp->icp_pci_device_id; 165 ctrt->sub_device_id = icp->icp_pci_subdevice_id; 166 break; 167 } 168 169 case GDT_IOCTL_OSVERS: 170 { 171 gdt_osv_t *osv = (void *) data; 172 173 osv->oscode = 12; 174 175 /* 176 * __NetBSD_Version__ is encoded thusly: 177 * 178 * MMmmrrpp00 179 * 180 * M = major version 181 * m = minor version 182 * r = release ["",A-Z[A-Z] but numeric] 183 * p = patchlevel 184 * 185 * Since the ABI is not supposed to change between 186 * patchlevels of the same major/minor version, we 187 * will encode major/minor/release into the returned 188 * data. 189 */ 190 191 osv->version = __NetBSD_Version__ / 100000000; 192 osv->subversion = (__NetBSD_Version__ / 1000000) % 100; 193 osv->revision = (__NetBSD_Version__ / 10000) % 100; 194 195 strcpy(osv->name, ostype); 196 break; 197 } 198 199 case GDT_IOCTL_CTRCNT: 200 *(int *) data = icp_count; 201 break; 202 203 case GDT_IOCTL_EVENT: 204 { 205 struct icp_softc *icp; 206 gdt_event_t *evt = (void *) data; 207 gdt_evt_str *e = &evt->dvr; 208 int s; 209 210 icp = device_lookup_private(&icp_cd, minor(dev)); 211 212 switch (evt->erase) { 213 case 0xff: 214 switch (evt->dvr.event_source) { 215 case GDT_ES_TEST: 216 e->event_data.size = 217 sizeof(e->event_data.eu.test); 218 break; 219 220 case GDT_ES_DRIVER: 221 e->event_data.size = 222 sizeof(e->event_data.eu.driver); 223 break; 224 225 case GDT_ES_SYNC: 226 e->event_data.size = 227 sizeof(e->event_data.eu.sync); 228 break; 229 230 default: 231 e->event_data.size = 232 sizeof(e->event_data.eu.async); 233 break; 234 } 235 s = splbio(); 236 icp_store_event(icp, e->event_source, e->event_idx, 237 &e->event_data); 238 splx(s); 239 break; 240 241 case 0xfe: 242 s = splbio(); 243 icp_clear_events(icp); 244 splx(s); 245 break; 246 247 case 0: 248 evt->handle = icp_read_event(icp, evt->handle, e); 249 break; 250 251 default: 252 icp_readapp_event(icp, (u_int8_t) evt->erase, e); 253 break; 254 } 255 break; 256 } 257 258 case GDT_IOCTL_STATIST: 259 memcpy(&icp_stats, data, sizeof(gdt_statist_t)); 260 break; 261 262 263 case GDT_IOCTL_RESCAN: 264 { 265 struct icp_softc *icp; 266 gdt_rescan_t *rsc = (void *) data; 267 268 icp = device_lookup_private(&icp_cd, rsc->io_node); 269 if (icp == NULL) { 270 error = ENXIO; 271 break; 272 } 273 274 error = icp_freeze(icp); 275 if (error) 276 break; 277 if (rsc->flag == 0) 278 icp_rescan_all(icp); 279 else 280 icp_rescan(icp, rsc->hdr_no); 281 icp_unfreeze(icp); 282 break; 283 } 284 285 default: 286 error = ENOTTY; 287 } 288 289 mutex_exit(&icp_ioctl_mutex); 290 291 return (error); 292 } 293
Indexes created Mon Oct 13 16:09:52 GMT 2025