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iir.c
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iir.h
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iir_ctrl.c
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iir_pci.c
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Editing: iir_ctrl.c
/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 2000-03 ICP vortex GmbH * Copyright (c) 2002-03 Intel Corporation * Copyright (c) 2003 Adaptec Inc. * 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. */ /* * iir_ctrl.c: Control functions and /dev entry points for /dev/iir* * * Written by: Achim Leubner <achim_leubner@adaptec.com> * Fixes/Additions: Boji Tony Kannanthanam <boji.t.kannanthanam@intel.com> * * $Id: iir_ctrl.c 1.3 2003/08/26 12:31:15 achim Exp $" */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/systm.h> #include <sys/bus.h> #include <sys/conf.h> #include <sys/disk.h> #include <sys/disklabel.h> #include <sys/endian.h> #include <sys/kernel.h> #include <sys/lock.h> #include <sys/malloc.h> #include <sys/mutex.h> #include <sys/stat.h> #include <sys/sysctl.h> #include <sys/sx.h> #include <sys/uio.h> #include <machine/bus.h> #include <dev/iir/iir.h> /* Entry points and other prototypes */ static struct gdt_softc *gdt_minor2softc(struct cdev *dev, int minor_no); static d_open_t iir_open; static d_close_t iir_close; static d_write_t iir_write; static d_read_t iir_read; static d_ioctl_t iir_ioctl; /* Normally, this is a static structure. But we need it in pci/iir_pci.c */ static struct cdevsw iir_cdevsw = { .d_version = D_VERSION, .d_open = iir_open, .d_close = iir_close, .d_read = iir_read, .d_write = iir_write, .d_ioctl = iir_ioctl, .d_name = "iir", }; #ifndef SDEV_PER_HBA static int sdev_made = 0; static struct sx sdev_lock; SX_SYSINIT(iir_sdev_lock, &sdev_lock, "iir sdev"); #endif extern int gdt_cnt; extern gdt_statist_t gdt_stat; /* * Given a controller number, * make a special device and return the dev_t */ struct cdev * gdt_make_dev(struct gdt_softc *gdt) { struct cdev *dev; #ifdef SDEV_PER_HBA dev = make_dev(&iir_cdevsw, 0, UID_ROOT, GID_OPERATOR, S_IRUSR | S_IWUSR, "iir%d", unit); dev->si_drv1 = gdt; #else sx_xlock(&sdev_lock); if (sdev_made) return (NULL); dev = make_dev(&iir_cdevsw, 0, UID_ROOT, GID_OPERATOR, S_IRUSR | S_IWUSR, "iir"); sdev_made = 1; sx_xunlock(&sdev_lock); #endif return (dev); } void gdt_destroy_dev(struct cdev *dev) { if (dev != NULL) destroy_dev(dev); } /* * Given a minor device number, * return the pointer to its softc structure */ static struct gdt_softc * gdt_minor2softc(struct cdev *dev, int minor_no) { #ifdef SDEV_PER_HBA return (dev->si_drv1); #else devclass_t dc; device_t child; dc = devclass_find("iir"); if (dc == NULL) return (NULL); child = devclass_get_device(dc, minor_no); if (child == NULL) return (NULL); return (device_get_softc(child)); #endif } static int iir_open(struct cdev *dev, int flags, int fmt, struct thread * p) { GDT_DPRINTF(GDT_D_DEBUG, ("iir_open()\n")); return (0); } static int iir_close(struct cdev *dev, int flags, int fmt, struct thread * p) { GDT_DPRINTF(GDT_D_DEBUG, ("iir_close()\n")); return (0); } static int iir_write(struct cdev *dev, struct uio * uio, int ioflag) { GDT_DPRINTF(GDT_D_DEBUG, ("iir_write()\n")); return (0); } static int iir_read(struct cdev *dev, struct uio * uio, int ioflag) { GDT_DPRINTF(GDT_D_DEBUG, ("iir_read()\n")); return (0); } /** * This is the control syscall interface. * It should be binary compatible with UnixWare, * if not totally syntatically so. */ static int iir_ioctl(struct cdev *dev, u_long cmd, caddr_t cmdarg, int flags, struct thread * p) { GDT_DPRINTF(GDT_D_DEBUG, ("iir_ioctl() cmd 0x%lx\n",cmd)); ++gdt_stat.io_count_act; if (gdt_stat.io_count_act > gdt_stat.io_count_max) gdt_stat.io_count_max = gdt_stat.io_count_act; switch (cmd) { case GDT_IOCTL_GENERAL: { gdt_ucmd_t *ucmd; struct gdt_softc *gdt; ucmd = (gdt_ucmd_t *)cmdarg; gdt = gdt_minor2softc(dev, ucmd->io_node); if (gdt == NULL) return (ENXIO); mtx_lock(&gdt->sc_lock); TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links); ucmd->complete_flag = FALSE; gdt_next(gdt); if (!ucmd->complete_flag) (void) mtx_sleep(ucmd, &gdt->sc_lock, PCATCH | PRIBIO, "iirucw", 0); mtx_unlock(&gdt->sc_lock); break; } case GDT_IOCTL_DRVERS: case GDT_IOCTL_DRVERS_OLD: *(int *)cmdarg = (IIR_DRIVER_VERSION << 8) | IIR_DRIVER_SUBVERSION; break; case GDT_IOCTL_CTRTYPE: case GDT_IOCTL_CTRTYPE_OLD: { gdt_ctrt_t *p; struct gdt_softc *gdt; p = (gdt_ctrt_t *)cmdarg; gdt = gdt_minor2softc(dev, p->io_node); if (gdt == NULL) return (ENXIO); /* only RP controllers */ p->ext_type = 0x6000 | gdt->sc_device; if (gdt->sc_vendor == INTEL_VENDOR_ID_IIR) { p->oem_id = OEM_ID_INTEL; p->type = 0xfd; /* new -> subdevice into ext_type */ if (gdt->sc_device >= 0x600) p->ext_type = 0x6000 | gdt->sc_subdevice; } else { p->oem_id = OEM_ID_ICP; p->type = 0xfe; /* new -> subdevice into ext_type */ if (gdt->sc_device >= 0x300) p->ext_type = 0x6000 | gdt->sc_subdevice; } p->info = (gdt->sc_bus << 8) | (gdt->sc_slot << 3); p->device_id = gdt->sc_device; p->sub_device_id = gdt->sc_subdevice; break; } case GDT_IOCTL_OSVERS: { gdt_osv_t *p; p = (gdt_osv_t *)cmdarg; p->oscode = 10; p->version = osreldate / 100000; p->subversion = osreldate / 1000 % 100; p->revision = 0; strcpy(p->name, ostype); break; } case GDT_IOCTL_CTRCNT: *(int *)cmdarg = gdt_cnt; break; case GDT_IOCTL_EVENT: { gdt_event_t *p; p = (gdt_event_t *)cmdarg; if (p->erase == 0xff) { if (p->dvr.event_source == GDT_ES_TEST) p->dvr.event_data.size = sizeof(p->dvr.event_data.eu.test); else if (p->dvr.event_source == GDT_ES_DRIVER) p->dvr.event_data.size= sizeof(p->dvr.event_data.eu.driver); else if (p->dvr.event_source == GDT_ES_SYNC) p->dvr.event_data.size = sizeof(p->dvr.event_data.eu.sync); else p->dvr.event_data.size = sizeof(p->dvr.event_data.eu.async); gdt_store_event(p->dvr.event_source, p->dvr.event_idx, &p->dvr.event_data); } else if (p->erase == 0xfe) { gdt_clear_events(); } else if (p->erase == 0) { p->handle = gdt_read_event(p->handle, &p->dvr); } else { gdt_readapp_event((u_int8_t)p->erase, &p->dvr); } break; } case GDT_IOCTL_STATIST: { gdt_statist_t *p; p = (gdt_statist_t *)cmdarg; bcopy(&gdt_stat, p, sizeof(gdt_statist_t)); break; } default: break; } --gdt_stat.io_count_act; return (0); }
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