297 lines
8.0 KiB
C
297 lines
8.0 KiB
C
/* $NetBSD: icp_ioctl.c,v 1.5 2003/06/29 22:30:12 fvdl Exp $ */
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/*-
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* Copyright (c) 2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 2000-01 Intel Corporation
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* All Rights Reserved
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* icp_ioctl.c: Ioctl interface for the ICP-Vortex management tools.
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*
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* Based on ICP's FreeBSD "iir" driver ioctl interface, written by
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* Achim Leubner <achim.leubner@intel.com>.
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*
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* This is intended to be ABI-compatile with the ioctl interface for
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* other OSs.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: icp_ioctl.c,v 1.5 2003/06/29 22:30:12 fvdl Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#include <sys/proc.h>
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#include <sys/conf.h>
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#include <sys/ioctl.h>
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#include <machine/bus.h>
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#include <dev/ic/icpreg.h>
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#include <dev/ic/icpvar.h>
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/* These are simply the same as ICP's "iir" driver for FreeBSD. */
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#define ICP_DRIVER_VERSION 1
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#define ICP_DRIVER_SUBVERSION 3
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static dev_type_open(icpopen);
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static dev_type_ioctl(icpioctl);
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const struct cdevsw icp_cdevsw = {
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icpopen, nullclose, noread, nowrite, icpioctl,
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nostop, notty, nopoll, nommap, nokqfilter,
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};
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extern struct cfdriver icp_cd;
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static struct lock icp_ioctl_mutex =
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LOCK_INITIALIZER(PRIBIO|PCATCH, "icplk", 0, 0);
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static int
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icpopen(dev_t dev, int flag, int mode, struct proc *p)
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{
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if (securelevel > 1)
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return (EPERM);
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if (device_lookup(&icp_cd, minor(dev)) == NULL)
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return (ENXIO);
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return (0);
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}
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static int
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icpioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
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{
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int error;
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if ((error = lockmgr(&icp_ioctl_mutex, LK_EXCLUSIVE, NULL)) != 0)
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return (error);
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switch (cmd) {
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case GDT_IOCTL_GENERAL:
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{
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struct icp_softc *icp;
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gdt_ucmd_t *ucmd = (void *) data;
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icp = device_lookup(&icp_cd, ucmd->io_node);
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if (icp == NULL) {
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error = ENXIO;
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break;
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}
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error = icp_ucmd(icp, ucmd);
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break;
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}
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case GDT_IOCTL_DRVERS:
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*(int *) data =
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(ICP_DRIVER_VERSION << 8) | ICP_DRIVER_SUBVERSION;
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break;
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case GDT_IOCTL_CTRTYPE:
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{
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struct icp_softc *icp;
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gdt_ctrt_t *p = (void *) data;
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icp = device_lookup(&icp_cd, p->io_node);
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if (icp == NULL) {
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error = ENXIO;
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break;
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}
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/* XXX magic numbers */
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p->oem_id = 0x8000;
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p->type = 0xfd;
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p->info = (icp->icp_pci_bus << 8) | (icp->icp_pci_device << 3);
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p->ext_type = 0x6000 | icp->icp_pci_subdevice_id;
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p->device_id = icp->icp_pci_device_id;
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p->sub_device_id = icp->icp_pci_subdevice_id;
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break;
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}
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case GDT_IOCTL_OSVERS:
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{
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gdt_osv_t *p = (void *) data;
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p->oscode = 12;
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/*
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* __NetBSD_Version__ is encoded thusly:
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*
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* MMmmrrpp00
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*
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* M = major version
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* m = minor version
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* r = release ["",A-Z[A-Z] but numeric]
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* p = patchlevel
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*
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* Since the ABI is not supposed to change between
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* patchlevels of the same major/minor version, we
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* will encode major/minor/release into the returned
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* data.
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*/
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p->version = __NetBSD_Version__ / 100000000;
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p->subversion = (__NetBSD_Version__ / 1000000) % 100;
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p->revision = (__NetBSD_Version__ / 10000) % 100;
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strcpy(p->name, ostype);
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break;
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}
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case GDT_IOCTL_CTRCNT:
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*(int *) data = icp_count;
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break;
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case GDT_IOCTL_EVENT:
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{
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struct icp_softc *icp;
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gdt_event_t *p = (void *) data;
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gdt_evt_str *e = &p->dvr;
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int s;
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icp = device_lookup(&icp_cd, minor(dev));
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switch (p->erase) {
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case 0xff:
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switch (p->dvr.event_source) {
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case GDT_ES_TEST:
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e->event_data.size =
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sizeof(e->event_data.eu.test);
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break;
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case GDT_ES_DRIVER:
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e->event_data.size =
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sizeof(e->event_data.eu.driver);
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break;
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case GDT_ES_SYNC:
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e->event_data.size =
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sizeof(e->event_data.eu.sync);
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break;
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default:
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e->event_data.size =
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sizeof(e->event_data.eu.async);
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break;
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}
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s = splbio();
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icp_store_event(icp, e->event_source, e->event_idx,
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&e->event_data);
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splx(s);
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break;
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case 0xfe:
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s = splbio();
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icp_clear_events(icp);
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splx(s);
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break;
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case 0:
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p->handle = icp_read_event(icp, p->handle, e);
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break;
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default:
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icp_readapp_event(icp, (u_int8_t) p->erase, e);
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break;
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}
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break;
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}
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case GDT_IOCTL_STATIST:
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memcpy(&icp_stats, data, sizeof(gdt_statist_t));
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break;
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case GDT_IOCTL_RESCAN:
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{
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struct icp_softc *icp;
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gdt_rescan_t *rsc = (void *) data;
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icp = device_lookup(&icp_cd, rsc->io_node);
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if (icp == NULL) {
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error = ENXIO;
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break;
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}
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error = icp_freeze(icp);
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if (error)
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break;
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if (rsc->flag == 0)
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icp_rescan_all(icp);
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else
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icp_rescan(icp, rsc->hdr_no);
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icp_unfreeze(icp);
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break;
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}
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default:
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error = ENOTTY;
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}
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(void) lockmgr(&icp_ioctl_mutex, LK_RELEASE, NULL);
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return (error);
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}
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