/* $NetBSD: icp_ioctl.c,v 1.23 2022/01/21 21:40:31 andvar Exp $ */ /*- * Copyright (c) 2003 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe of Wasabi Systems, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Copyright (c) 2000-01 Intel Corporation * All Rights Reserved * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * icp_ioctl.c: Ioctl interface for the ICP-Vortex management tools. * * Based on ICP's FreeBSD "iir" driver ioctl interface, written by * Achim Leubner <achim.leubner@intel.com>. * * This is intended to be ABI-compatible with the ioctl interface for * other OSs. */ #include <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: icp_ioctl.c,v 1.23 2022/01/21 21:40:31 andvar Exp $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/device.h> #include <sys/proc.h> #include <sys/conf.h> #include <sys/ioctl.h> #include <sys/kauth.h> #include <sys/bus.h> #include <dev/ic/icpreg.h> #include <dev/ic/icpvar.h> #include "ioconf.h" /* These are simply the same as ICP's "iir" driver for FreeBSD. */ #define ICP_DRIVER_VERSION 1 #define ICP_DRIVER_SUBVERSION 3 static dev_type_open(icpopen); static dev_type_ioctl(icpioctl); const struct cdevsw icp_cdevsw = { .d_open = icpopen, .d_close = nullclose, .d_read = noread, .d_write = nowrite, .d_ioctl = icpioctl, .d_stop = nostop, .d_tty = notty, .d_poll = nopoll, .d_mmap = nommap, .d_kqfilter = nokqfilter, .d_discard = nodiscard, .d_flag = D_OTHER }; kmutex_t icp_ioctl_mutex; static int icpopen(dev_t dev, int flag, int mode, struct lwp *l) { if (device_lookup(&icp_cd, minor(dev)) == NULL) return (ENXIO); return (0); } static int icpioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) { int error = 0; mutex_enter(&icp_ioctl_mutex); switch (cmd) { case GDT_IOCTL_GENERAL: { struct icp_softc *icp; gdt_ucmd_t *ucmd = (void *) data; error = kauth_authorize_device_passthru(l->l_cred, dev, KAUTH_REQ_DEVICE_RAWIO_PASSTHRU_ALL, data); if (error) break; icp = device_lookup_private(&icp_cd, ucmd->io_node); if (icp == NULL) { error = ENXIO; break; } error = icp_ucmd(icp, ucmd); break; } case GDT_IOCTL_DRVERS: *(int *) data = (ICP_DRIVER_VERSION << 8) | ICP_DRIVER_SUBVERSION; break; case GDT_IOCTL_CTRTYPE: { struct icp_softc *icp; gdt_ctrt_t *ctrt = (void *) data; icp = device_lookup_private(&icp_cd, ctrt->io_node); if (icp == NULL) { error = ENXIO; break; } /* XXX magic numbers */ ctrt->oem_id = 0x8000; ctrt->type = 0xfd; ctrt->info = (icp->icp_pci_bus << 8) | (icp->icp_pci_device << 3); ctrt->ext_type = 0x6000 | icp->icp_pci_subdevice_id; ctrt->device_id = icp->icp_pci_device_id; ctrt->sub_device_id = icp->icp_pci_subdevice_id; break; } case GDT_IOCTL_OSVERS: { gdt_osv_t *osv = (void *) data; osv->oscode = 12; /* * __NetBSD_Version__ is encoded thusly: * * MMmmrrpp00 * * M = major version * m = minor version * r = release ["",A-Z[A-Z] but numeric] * p = patchlevel * * Since the ABI is not supposed to change between * patchlevels of the same major/minor version, we * will encode major/minor/release into the returned * data. */ osv->version = __NetBSD_Version__ / 100000000; osv->subversion = (__NetBSD_Version__ / 1000000) % 100; osv->revision = (__NetBSD_Version__ / 10000) % 100; strcpy(osv->name, ostype); break; } case GDT_IOCTL_CTRCNT: *(int *) data = icp_count; break; case GDT_IOCTL_EVENT: { struct icp_softc *icp; gdt_event_t *evt = (void *) data; gdt_evt_str *e = &evt->dvr; int s; icp = device_lookup_private(&icp_cd, minor(dev)); switch (evt->erase) { case 0xff: switch (evt->dvr.event_source) { case GDT_ES_TEST: e->event_data.size = sizeof(e->event_data.eu.test); break; case GDT_ES_DRIVER: e->event_data.size = sizeof(e->event_data.eu.driver); break; case GDT_ES_SYNC: e->event_data.size = sizeof(e->event_data.eu.sync); break; default: e->event_data.size = sizeof(e->event_data.eu.async); break; } s = splbio(); icp_store_event(icp, e->event_source, e->event_idx, &e->event_data); splx(s); break; case 0xfe: s = splbio(); icp_clear_events(icp); splx(s); break; case 0: evt->handle = icp_read_event(icp, evt->handle, e); break; default: icp_readapp_event(icp, (u_int8_t) evt->erase, e); break; } break; } case GDT_IOCTL_STATIST: memcpy(&icp_stats, data, sizeof(gdt_statist_t)); break; case GDT_IOCTL_RESCAN: { struct icp_softc *icp; gdt_rescan_t *rsc = (void *) data; icp = device_lookup_private(&icp_cd, rsc->io_node); if (icp == NULL) { error = ENXIO; break; } error = icp_freeze(icp); if (error) break; if (rsc->flag == 0) icp_rescan_all(icp); else icp_rescan(icp, rsc->hdr_no); icp_unfreeze(icp); break; } default: error = ENOTTY; } mutex_exit(&icp_ioctl_mutex); return (error); }
