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icp_ioctl.c revision 1.8.4.1
      1  1.8.4.1    rpaulo /*	$NetBSD: icp_ioctl.c,v 1.8.4.1 2006/09/09 02:50:02 rpaulo Exp $	*/
      2      1.1   thorpej 
      3      1.1   thorpej /*-
      4      1.1   thorpej  * Copyright (c) 2003 The NetBSD Foundation, Inc.
      5      1.1   thorpej  * All rights reserved.
      6      1.1   thorpej  *
      7      1.1   thorpej  * This code is derived from software contributed to The NetBSD Foundation
      8      1.1   thorpej  * by Jason R. Thorpe of Wasabi Systems, Inc.
      9      1.1   thorpej  *
     10      1.1   thorpej  * Redistribution and use in source and binary forms, with or without
     11      1.1   thorpej  * modification, are permitted provided that the following conditions
     12      1.1   thorpej  * are met:
     13      1.1   thorpej  * 1. Redistributions of source code must retain the above copyright
     14      1.1   thorpej  *    notice, this list of conditions and the following disclaimer.
     15      1.1   thorpej  * 2. Redistributions in binary form must reproduce the above copyright
     16      1.1   thorpej  *    notice, this list of conditions and the following disclaimer in the
     17      1.1   thorpej  *    documentation and/or other materials provided with the distribution.
     18      1.1   thorpej  * 3. All advertising materials mentioning features or use of this software
     19      1.1   thorpej  *    must display the following acknowledgement:
     20      1.1   thorpej  *        This product includes software developed by the NetBSD
     21      1.1   thorpej  *        Foundation, Inc. and its contributors.
     22      1.1   thorpej  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23      1.1   thorpej  *    contributors may be used to endorse or promote products derived
     24      1.1   thorpej  *    from this software without specific prior written permission.
     25      1.1   thorpej  *
     26      1.1   thorpej  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27      1.1   thorpej  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28      1.1   thorpej  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29      1.1   thorpej  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30      1.1   thorpej  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31      1.1   thorpej  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32      1.1   thorpej  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33      1.1   thorpej  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34      1.1   thorpej  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35      1.1   thorpej  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36      1.1   thorpej  * POSSIBILITY OF SUCH DAMAGE.
     37      1.1   thorpej  */
     38      1.1   thorpej 
     39      1.1   thorpej /*
     40      1.1   thorpej  *       Copyright (c) 2000-01 Intel Corporation
     41      1.1   thorpej  *       All Rights Reserved
     42      1.1   thorpej  *
     43      1.1   thorpej  * Redistribution and use in source and binary forms, with or without
     44      1.1   thorpej  * modification, are permitted provided that the following conditions
     45      1.1   thorpej  * are met:
     46      1.1   thorpej  * 1. Redistributions of source code must retain the above copyright
     47      1.1   thorpej  *    notice, this list of conditions, and the following disclaimer,
     48      1.1   thorpej  *    without modification, immediately at the beginning of the file.
     49      1.1   thorpej  * 2. Redistributions in binary form must reproduce the above copyright
     50      1.1   thorpej  *    notice, this list of conditions and the following disclaimer in the
     51      1.1   thorpej  *    documentation and/or other materials provided with the distribution.
     52      1.1   thorpej  * 3. The name of the author may not be used to endorse or promote products
     53      1.1   thorpej  *    derived from this software without specific prior written permission.
     54      1.1   thorpej  *
     55      1.1   thorpej  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     56      1.1   thorpej  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     57      1.1   thorpej  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     58      1.1   thorpej  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
     59      1.1   thorpej  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     60      1.1   thorpej  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     61      1.1   thorpej  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     62      1.1   thorpej  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     63      1.1   thorpej  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     64      1.1   thorpej  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     65      1.1   thorpej  * SUCH DAMAGE.
     66      1.1   thorpej  */
     67      1.1   thorpej 
     68      1.1   thorpej /*
     69      1.1   thorpej  * icp_ioctl.c: Ioctl interface for the ICP-Vortex management tools.
     70      1.1   thorpej  *
     71      1.1   thorpej  * Based on ICP's FreeBSD "iir" driver ioctl interface, written by
     72      1.1   thorpej  * Achim Leubner <achim.leubner (at) intel.com>.
     73      1.1   thorpej  *
     74      1.1   thorpej  * This is intended to be ABI-compatile with the ioctl interface for
     75      1.1   thorpej  * other OSs.
     76      1.1   thorpej  */
     77      1.1   thorpej 
     78      1.1   thorpej #include <sys/cdefs.h>
     79  1.8.4.1    rpaulo __KERNEL_RCSID(0, "$NetBSD: icp_ioctl.c,v 1.8.4.1 2006/09/09 02:50:02 rpaulo Exp $");
     80      1.1   thorpej 
     81      1.1   thorpej #include <sys/param.h>
     82      1.6     perry #include <sys/systm.h>
     83      1.1   thorpej #include <sys/kernel.h>
     84      1.1   thorpej #include <sys/device.h>
     85      1.1   thorpej #include <sys/proc.h>
     86      1.1   thorpej #include <sys/conf.h>
     87      1.1   thorpej #include <sys/ioctl.h>
     88      1.1   thorpej 
     89      1.1   thorpej #include <machine/bus.h>
     90      1.1   thorpej 
     91      1.1   thorpej #include <dev/ic/icpreg.h>
     92      1.1   thorpej #include <dev/ic/icpvar.h>
     93      1.1   thorpej 
     94      1.1   thorpej /* These are simply the same as ICP's "iir" driver for FreeBSD. */
     95      1.1   thorpej #define	ICP_DRIVER_VERSION		1
     96      1.1   thorpej #define	ICP_DRIVER_SUBVERSION		3
     97      1.1   thorpej 
     98      1.1   thorpej static dev_type_open(icpopen);
     99      1.1   thorpej static dev_type_ioctl(icpioctl);
    100      1.1   thorpej 
    101      1.1   thorpej const struct cdevsw icp_cdevsw = {
    102      1.1   thorpej 	icpopen, nullclose, noread, nowrite, icpioctl,
    103  1.8.4.1    rpaulo 	nostop, notty, nopoll, nommap, nokqfilter, D_OTHER,
    104      1.1   thorpej };
    105      1.1   thorpej 
    106      1.1   thorpej extern struct cfdriver icp_cd;
    107      1.1   thorpej 
    108      1.3   thorpej static struct lock icp_ioctl_mutex =
    109      1.3   thorpej     LOCK_INITIALIZER(PRIBIO|PCATCH, "icplk", 0, 0);
    110      1.3   thorpej 
    111      1.1   thorpej static int
    112      1.8  christos icpopen(dev_t dev, int flag, int mode, struct lwp *l)
    113      1.1   thorpej {
    114      1.1   thorpej 
    115      1.1   thorpej 	if (device_lookup(&icp_cd, minor(dev)) == NULL)
    116      1.1   thorpej 		return (ENXIO);
    117      1.1   thorpej 
    118      1.1   thorpej 	return (0);
    119      1.1   thorpej }
    120      1.1   thorpej 
    121      1.1   thorpej static int
    122      1.8  christos icpioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct lwp *l)
    123      1.1   thorpej {
    124      1.3   thorpej 	int error;
    125      1.3   thorpej 
    126      1.3   thorpej 	if ((error = lockmgr(&icp_ioctl_mutex, LK_EXCLUSIVE, NULL)) != 0)
    127      1.3   thorpej 		return (error);
    128      1.1   thorpej 
    129      1.1   thorpej 	switch (cmd) {
    130      1.1   thorpej 	case GDT_IOCTL_GENERAL:
    131      1.1   thorpej 	    {
    132      1.1   thorpej 		struct icp_softc *icp;
    133      1.1   thorpej 		gdt_ucmd_t *ucmd = (void *) data;
    134      1.1   thorpej 
    135  1.8.4.1    rpaulo 		if (securelevel > 1)
    136  1.8.4.1    rpaulo 			return (EPERM);
    137  1.8.4.1    rpaulo 
    138      1.1   thorpej 		icp = device_lookup(&icp_cd, ucmd->io_node);
    139      1.3   thorpej 		if (icp == NULL) {
    140      1.3   thorpej 			error = ENXIO;
    141      1.3   thorpej 			break;
    142      1.3   thorpej 		}
    143      1.1   thorpej 
    144      1.1   thorpej 		error = icp_ucmd(icp, ucmd);
    145      1.1   thorpej 		break;
    146      1.1   thorpej 	    }
    147      1.1   thorpej 
    148      1.1   thorpej 	case GDT_IOCTL_DRVERS:
    149      1.1   thorpej 		*(int *) data =
    150      1.1   thorpej 		    (ICP_DRIVER_VERSION << 8) | ICP_DRIVER_SUBVERSION;
    151      1.1   thorpej 		break;
    152      1.1   thorpej 
    153      1.1   thorpej 	case GDT_IOCTL_CTRTYPE:
    154      1.1   thorpej 	    {
    155      1.1   thorpej 		struct icp_softc *icp;
    156      1.7  christos 		gdt_ctrt_t *ctrt = (void *) data;
    157      1.1   thorpej 
    158      1.7  christos 		icp = device_lookup(&icp_cd, ctrt->io_node);
    159      1.3   thorpej 		if (icp == NULL) {
    160      1.3   thorpej 			error = ENXIO;
    161      1.3   thorpej 			break;
    162      1.3   thorpej 		}
    163      1.1   thorpej 
    164      1.1   thorpej 		/* XXX magic numbers */
    165      1.7  christos 		ctrt->oem_id = 0x8000;
    166      1.7  christos 		ctrt->type = 0xfd;
    167      1.7  christos 		ctrt->info = (icp->icp_pci_bus << 8) | (icp->icp_pci_device << 3);
    168      1.7  christos 		ctrt->ext_type = 0x6000 | icp->icp_pci_subdevice_id;
    169      1.7  christos 		ctrt->device_id = icp->icp_pci_device_id;
    170      1.7  christos 		ctrt->sub_device_id = icp->icp_pci_subdevice_id;
    171      1.1   thorpej 		break;
    172      1.1   thorpej 	    }
    173      1.1   thorpej 
    174      1.1   thorpej 	case GDT_IOCTL_OSVERS:
    175      1.1   thorpej 	    {
    176      1.7  christos 		gdt_osv_t *osv = (void *) data;
    177      1.1   thorpej 
    178      1.7  christos 		osv->oscode = 12;
    179      1.1   thorpej 
    180      1.1   thorpej 		/*
    181      1.1   thorpej 		 * __NetBSD_Version__ is encoded thusly:
    182      1.1   thorpej 		 *
    183      1.1   thorpej 		 *	MMmmrrpp00
    184      1.1   thorpej 		 *
    185      1.1   thorpej 		 * M = major version
    186      1.1   thorpej 		 * m = minor version
    187      1.1   thorpej 		 * r = release ["",A-Z[A-Z] but numeric]
    188      1.1   thorpej 		 * p = patchlevel
    189      1.1   thorpej 		 *
    190      1.1   thorpej 		 * Since the ABI is not supposed to change between
    191      1.1   thorpej 		 * patchlevels of the same major/minor version, we
    192      1.1   thorpej 		 * will encode major/minor/release into the returned
    193      1.1   thorpej 		 * data.
    194      1.1   thorpej 		 */
    195      1.1   thorpej 
    196      1.7  christos 		osv->version = __NetBSD_Version__ / 100000000;
    197      1.7  christos 		osv->subversion = (__NetBSD_Version__ / 1000000) % 100;
    198      1.7  christos 		osv->revision = (__NetBSD_Version__ / 10000) % 100;
    199      1.1   thorpej 
    200      1.7  christos 		strcpy(osv->name, ostype);
    201      1.1   thorpej 		break;
    202      1.1   thorpej 	    }
    203      1.1   thorpej 
    204      1.1   thorpej 	case GDT_IOCTL_CTRCNT:
    205      1.1   thorpej 		*(int *) data = icp_count;
    206      1.1   thorpej 		break;
    207      1.1   thorpej 
    208      1.1   thorpej 	case GDT_IOCTL_EVENT:
    209      1.1   thorpej 	    {
    210      1.1   thorpej 		struct icp_softc *icp;
    211      1.7  christos 		gdt_event_t *evt = (void *) data;
    212      1.7  christos 		gdt_evt_str *e = &evt->dvr;
    213      1.1   thorpej 		int s;
    214      1.1   thorpej 
    215      1.1   thorpej 		icp = device_lookup(&icp_cd, minor(dev));
    216      1.1   thorpej 
    217      1.7  christos 		switch (evt->erase) {
    218      1.1   thorpej 		case 0xff:
    219      1.7  christos 			switch (evt->dvr.event_source) {
    220      1.1   thorpej 			case GDT_ES_TEST:
    221      1.1   thorpej 				e->event_data.size =
    222      1.1   thorpej 				    sizeof(e->event_data.eu.test);
    223      1.1   thorpej 				break;
    224      1.1   thorpej 
    225      1.1   thorpej 			case GDT_ES_DRIVER:
    226      1.1   thorpej 				e->event_data.size =
    227      1.1   thorpej 				    sizeof(e->event_data.eu.driver);
    228      1.1   thorpej 				break;
    229      1.1   thorpej 
    230      1.1   thorpej 			case GDT_ES_SYNC:
    231      1.1   thorpej 				e->event_data.size =
    232      1.1   thorpej 				    sizeof(e->event_data.eu.sync);
    233      1.1   thorpej 				break;
    234      1.1   thorpej 
    235      1.1   thorpej 			default:
    236      1.1   thorpej 				e->event_data.size =
    237      1.1   thorpej 				    sizeof(e->event_data.eu.async);
    238      1.1   thorpej 				break;
    239      1.1   thorpej 			}
    240      1.1   thorpej 			s = splbio();
    241      1.1   thorpej 			icp_store_event(icp, e->event_source, e->event_idx,
    242      1.1   thorpej 			    &e->event_data);
    243      1.1   thorpej 			splx(s);
    244      1.1   thorpej 			break;
    245      1.1   thorpej 
    246      1.1   thorpej 		case 0xfe:
    247      1.1   thorpej 			s = splbio();
    248      1.1   thorpej 			icp_clear_events(icp);
    249      1.1   thorpej 			splx(s);
    250      1.1   thorpej 			break;
    251      1.1   thorpej 
    252      1.1   thorpej 		case 0:
    253      1.7  christos 			evt->handle = icp_read_event(icp, evt->handle, e);
    254      1.1   thorpej 			break;
    255      1.1   thorpej 
    256      1.1   thorpej 		default:
    257      1.7  christos 			icp_readapp_event(icp, (u_int8_t) evt->erase, e);
    258      1.1   thorpej 			break;
    259      1.1   thorpej 		}
    260      1.1   thorpej 		break;
    261      1.1   thorpej 	    }
    262      1.1   thorpej 
    263      1.1   thorpej 	case GDT_IOCTL_STATIST:
    264      1.1   thorpej 		memcpy(&icp_stats, data, sizeof(gdt_statist_t));
    265      1.1   thorpej 		break;
    266      1.1   thorpej 
    267      1.3   thorpej 
    268      1.3   thorpej 	case GDT_IOCTL_RESCAN:
    269      1.3   thorpej 	    {
    270      1.3   thorpej 		struct icp_softc *icp;
    271      1.3   thorpej 		gdt_rescan_t *rsc = (void *) data;
    272      1.3   thorpej 
    273      1.3   thorpej 		icp = device_lookup(&icp_cd, rsc->io_node);
    274      1.3   thorpej 		if (icp == NULL) {
    275      1.3   thorpej 			error = ENXIO;
    276      1.3   thorpej 			break;
    277      1.3   thorpej 		}
    278      1.3   thorpej 
    279      1.3   thorpej 		error = icp_freeze(icp);
    280      1.3   thorpej 		if (error)
    281      1.3   thorpej 			break;
    282      1.3   thorpej 		if (rsc->flag == 0)
    283      1.3   thorpej 			icp_rescan_all(icp);
    284      1.3   thorpej 		else
    285      1.3   thorpej 			icp_rescan(icp, rsc->hdr_no);
    286      1.3   thorpej 		icp_unfreeze(icp);
    287      1.3   thorpej 		break;
    288      1.3   thorpej 	    }
    289      1.3   thorpej 
    290      1.1   thorpej 	default:
    291      1.3   thorpej 		error = ENOTTY;
    292      1.1   thorpej 	}
    293      1.3   thorpej 
    294      1.3   thorpej 	(void) lockmgr(&icp_ioctl_mutex, LK_RELEASE, NULL);
    295      1.1   thorpej 
    296      1.1   thorpej 	return (error);
    297      1.1   thorpej }
    298