385 lines
10 KiB
C
385 lines
10 KiB
C
/*-
|
|
* 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/endian.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/uio.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/disk.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/disklabel.h>
|
|
#include <machine/bus.h>
|
|
#include <vm/vm.h>
|
|
#include <vm/vm_kern.h>
|
|
#include <vm/vm_extern.h>
|
|
#include <vm/pmap.h>
|
|
|
|
#include <dev/iir/iir.h>
|
|
|
|
/* Entry points and other prototypes */
|
|
static struct gdt_softc *gdt_minor2softc(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_flags = D_NEEDGIANT,
|
|
.d_open = iir_open,
|
|
.d_close = iir_close,
|
|
.d_read = iir_read,
|
|
.d_write = iir_write,
|
|
.d_ioctl = iir_ioctl,
|
|
.d_name = "iir",
|
|
};
|
|
|
|
/*
|
|
static int iir_devsw_installed = 0;
|
|
*/
|
|
#ifndef SDEV_PER_HBA
|
|
static int sdev_made = 0;
|
|
#endif
|
|
extern int gdt_cnt;
|
|
extern char ostype[];
|
|
extern char osrelease[];
|
|
extern gdt_statist_t gdt_stat;
|
|
|
|
/*
|
|
* Given a controller number,
|
|
* make a special device and return the dev_t
|
|
*/
|
|
struct cdev *
|
|
gdt_make_dev(int unit)
|
|
{
|
|
struct cdev *dev;
|
|
|
|
#ifdef SDEV_PER_HBA
|
|
dev = make_dev(&iir_cdevsw, hba2minor(unit), UID_ROOT, GID_OPERATOR,
|
|
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH, "iir%d", unit);
|
|
#else
|
|
if (sdev_made)
|
|
return (0);
|
|
dev = make_dev(&iir_cdevsw, 0, UID_ROOT, GID_OPERATOR,
|
|
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH, "iir");
|
|
sdev_made = 1;
|
|
#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(int minor_no)
|
|
{
|
|
struct gdt_softc *gdt;
|
|
int hanum;
|
|
|
|
#ifdef SDEV_PER_HBA
|
|
hanum = minor2hba(minor_no);
|
|
#else
|
|
hanum = minor_no;
|
|
#endif
|
|
|
|
for (gdt = TAILQ_FIRST(&gdt_softcs);
|
|
gdt != NULL && gdt->sc_hanum != hanum;
|
|
gdt = TAILQ_NEXT(gdt, links));
|
|
|
|
return (gdt);
|
|
}
|
|
|
|
static int
|
|
iir_open(struct cdev *dev, int flags, int fmt, d_thread_t * p)
|
|
{
|
|
GDT_DPRINTF(GDT_D_DEBUG, ("iir_open()\n"));
|
|
|
|
#ifdef SDEV_PER_HBA
|
|
int minor_no;
|
|
struct gdt_softc *gdt;
|
|
|
|
minor_no = minor(dev);
|
|
gdt = gdt_minor2softc(minor_no);
|
|
if (gdt == NULL)
|
|
return (ENXIO);
|
|
#endif
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
iir_close(struct cdev *dev, int flags, int fmt, d_thread_t * p)
|
|
{
|
|
GDT_DPRINTF(GDT_D_DEBUG, ("iir_close()\n"));
|
|
|
|
#ifdef SDEV_PER_HBA
|
|
int minor_no;
|
|
struct gdt_softc *gdt;
|
|
|
|
minor_no = minor(dev);
|
|
gdt = gdt_minor2softc(minor_no);
|
|
if (gdt == NULL)
|
|
return (ENXIO);
|
|
#endif
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
iir_write(struct cdev *dev, struct uio * uio, int ioflag)
|
|
{
|
|
GDT_DPRINTF(GDT_D_DEBUG, ("iir_write()\n"));
|
|
|
|
#ifdef SDEV_PER_HBA
|
|
int minor_no;
|
|
struct gdt_softc *gdt;
|
|
|
|
minor_no = minor(dev);
|
|
gdt = gdt_minor2softc(minor_no);
|
|
if (gdt == NULL)
|
|
return (ENXIO);
|
|
#endif
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
iir_read(struct cdev *dev, struct uio * uio, int ioflag)
|
|
{
|
|
GDT_DPRINTF(GDT_D_DEBUG, ("iir_read()\n"));
|
|
|
|
#ifdef SDEV_PER_HBA
|
|
int minor_no;
|
|
struct gdt_softc *gdt;
|
|
|
|
minor_no = minor(dev);
|
|
gdt = gdt_minor2softc(minor_no);
|
|
if (gdt == NULL)
|
|
return (ENXIO);
|
|
#endif
|
|
|
|
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, d_thread_t * p)
|
|
{
|
|
GDT_DPRINTF(GDT_D_DEBUG, ("iir_ioctl() cmd 0x%lx\n",cmd));
|
|
|
|
#ifdef SDEV_PER_HBA
|
|
int minor_no;
|
|
struct gdt_softc *gdt;
|
|
|
|
minor_no = minor(dev);
|
|
gdt = gdt_minor2softc(minor_no);
|
|
if (gdt == NULL)
|
|
return (ENXIO);
|
|
#endif
|
|
++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;
|
|
int lock;
|
|
|
|
ucmd = (gdt_ucmd_t *)cmdarg;
|
|
gdt = gdt_minor2softc(ucmd->io_node);
|
|
if (gdt == NULL)
|
|
return (ENXIO);
|
|
lock = splcam();
|
|
TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links);
|
|
ucmd->complete_flag = FALSE;
|
|
splx(lock);
|
|
gdt_next(gdt);
|
|
if (!ucmd->complete_flag)
|
|
(void) tsleep((void *)ucmd, PCATCH | PRIBIO, "iirucw", 0);
|
|
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(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) {
|
|
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 = osrelease[0] - '0';
|
|
if (osrelease[1] == '.')
|
|
p->subversion = osrelease[2] - '0';
|
|
else
|
|
p->subversion = 0;
|
|
if (osrelease[3] == '.')
|
|
p->revision = osrelease[4] - '0';
|
|
else
|
|
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;
|
|
int lock;
|
|
|
|
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);
|
|
lock = splcam();
|
|
gdt_store_event(p->dvr.event_source, p->dvr.event_idx,
|
|
&p->dvr.event_data);
|
|
splx(lock);
|
|
} else if (p->erase == 0xfe) {
|
|
lock = splcam();
|
|
gdt_clear_events();
|
|
splx(lock);
|
|
} 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);
|
|
}
|
|
|
|
/*
|
|
static void
|
|
iir_drvinit(void *unused)
|
|
{
|
|
GDT_DPRINTF(GDT_D_DEBUG, ("iir_drvinit()\n"));
|
|
|
|
if (!iir_devsw_installed) {
|
|
cdevsw_add(&iir_cdevsw);
|
|
iir_devsw_installed = 1;
|
|
}
|
|
}
|
|
|
|
SYSINIT(iir_dev, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, iir_drvinit, NULL)
|
|
*/
|