2 * Copyright (c) 2000-03 ICP vortex GmbH
3 * Copyright (c) 2002-03 Intel Corporation
4 * Copyright (c) 2003 Adaptec Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions, and the following disclaimer,
12 * without modification, immediately at the beginning of the file.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * iir_ctrl.c: Control functions and /dev entry points for /dev/iir*
35 * Written by: Achim Leubner <achim_leubner@adaptec.com>
36 * Fixes/Additions: Boji Tony Kannanthanam <boji.t.kannanthanam@intel.com>
38 * $Id: iir_ctrl.c 1.3 2003/08/26 12:31:15 achim Exp $"
41 #include <sys/cdefs.h>
42 __FBSDID("$FreeBSD$");
44 #include <sys/param.h>
45 #include <sys/systm.h>
46 #include <sys/endian.h>
47 #include <sys/malloc.h>
48 #include <sys/kernel.h>
53 #include <sys/disklabel.h>
54 #include <machine/bus.h>
56 #include <dev/iir/iir.h>
58 /* Entry points and other prototypes */
59 static struct gdt_softc *gdt_minor2softc(int minor_no);
61 static d_open_t iir_open;
62 static d_close_t iir_close;
63 static d_write_t iir_write;
64 static d_read_t iir_read;
65 static d_ioctl_t iir_ioctl;
67 /* Normally, this is a static structure. But we need it in pci/iir_pci.c */
68 static struct cdevsw iir_cdevsw = {
69 .d_version = D_VERSION,
70 .d_flags = D_NEEDGIANT,
80 static int iir_devsw_installed = 0;
83 static int sdev_made = 0;
87 extern char osrelease[];
88 extern gdt_statist_t gdt_stat;
91 * Given a controller number,
92 * make a special device and return the dev_t
95 gdt_make_dev(int unit)
100 dev = make_dev(&iir_cdevsw, hba2minor(unit), UID_ROOT, GID_OPERATOR,
101 S_IRUSR | S_IWUSR, "iir%d", unit);
105 dev = make_dev(&iir_cdevsw, 0, UID_ROOT, GID_OPERATOR,
106 S_IRUSR | S_IWUSR, "iir");
113 gdt_destroy_dev(struct cdev *dev)
120 * Given a minor device number,
121 * return the pointer to its softc structure
123 static struct gdt_softc *
124 gdt_minor2softc(int minor_no)
126 struct gdt_softc *gdt;
130 hanum = minor2hba(minor_no);
135 for (gdt = TAILQ_FIRST(&gdt_softcs);
136 gdt != NULL && gdt->sc_hanum != hanum;
137 gdt = TAILQ_NEXT(gdt, links));
143 iir_open(struct cdev *dev, int flags, int fmt, struct thread * p)
145 GDT_DPRINTF(GDT_D_DEBUG, ("iir_open()\n"));
149 struct gdt_softc *gdt;
151 minor_no = dev2unit(dev);
152 gdt = gdt_minor2softc(minor_no);
161 iir_close(struct cdev *dev, int flags, int fmt, struct thread * p)
163 GDT_DPRINTF(GDT_D_DEBUG, ("iir_close()\n"));
167 struct gdt_softc *gdt;
169 minor_no = dev2unit(dev);
170 gdt = gdt_minor2softc(minor_no);
179 iir_write(struct cdev *dev, struct uio * uio, int ioflag)
181 GDT_DPRINTF(GDT_D_DEBUG, ("iir_write()\n"));
185 struct gdt_softc *gdt;
187 minor_no = dev2unit(dev);
188 gdt = gdt_minor2softc(minor_no);
197 iir_read(struct cdev *dev, struct uio * uio, int ioflag)
199 GDT_DPRINTF(GDT_D_DEBUG, ("iir_read()\n"));
203 struct gdt_softc *gdt;
205 minor_no = dev2unit(dev);
206 gdt = gdt_minor2softc(minor_no);
215 * This is the control syscall interface.
216 * It should be binary compatible with UnixWare,
217 * if not totally syntatically so.
221 iir_ioctl(struct cdev *dev, u_long cmd, caddr_t cmdarg, int flags, struct thread * p)
223 GDT_DPRINTF(GDT_D_DEBUG, ("iir_ioctl() cmd 0x%lx\n",cmd));
227 struct gdt_softc *gdt;
229 minor_no = dev2unit(dev);
230 gdt = gdt_minor2softc(minor_no);
234 ++gdt_stat.io_count_act;
235 if (gdt_stat.io_count_act > gdt_stat.io_count_max)
236 gdt_stat.io_count_max = gdt_stat.io_count_act;
239 case GDT_IOCTL_GENERAL:
242 struct gdt_softc *gdt;
245 ucmd = (gdt_ucmd_t *)cmdarg;
246 gdt = gdt_minor2softc(ucmd->io_node);
250 TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links);
251 ucmd->complete_flag = FALSE;
254 if (!ucmd->complete_flag)
255 (void) tsleep((void *)ucmd, PCATCH | PRIBIO, "iirucw", 0);
259 case GDT_IOCTL_DRVERS:
260 case GDT_IOCTL_DRVERS_OLD:
262 (IIR_DRIVER_VERSION << 8) | IIR_DRIVER_SUBVERSION;
265 case GDT_IOCTL_CTRTYPE:
266 case GDT_IOCTL_CTRTYPE_OLD:
269 struct gdt_softc *gdt;
271 p = (gdt_ctrt_t *)cmdarg;
272 gdt = gdt_minor2softc(p->io_node);
275 /* only RP controllers */
276 p->ext_type = 0x6000 | gdt->sc_device;
277 if (gdt->sc_vendor == INTEL_VENDOR_ID) {
278 p->oem_id = OEM_ID_INTEL;
280 /* new -> subdevice into ext_type */
281 if (gdt->sc_device >= 0x600)
282 p->ext_type = 0x6000 | gdt->sc_subdevice;
284 p->oem_id = OEM_ID_ICP;
286 /* new -> subdevice into ext_type */
287 if (gdt->sc_device >= 0x300)
288 p->ext_type = 0x6000 | gdt->sc_subdevice;
290 p->info = (gdt->sc_bus << 8) | (gdt->sc_slot << 3);
291 p->device_id = gdt->sc_device;
292 p->sub_device_id = gdt->sc_subdevice;
296 case GDT_IOCTL_OSVERS:
300 p = (gdt_osv_t *)cmdarg;
302 p->version = osrelease[0] - '0';
303 if (osrelease[1] == '.')
304 p->subversion = osrelease[2] - '0';
307 if (osrelease[3] == '.')
308 p->revision = osrelease[4] - '0';
311 strcpy(p->name, ostype);
315 case GDT_IOCTL_CTRCNT:
316 *(int *)cmdarg = gdt_cnt;
319 case GDT_IOCTL_EVENT:
324 p = (gdt_event_t *)cmdarg;
325 if (p->erase == 0xff) {
326 if (p->dvr.event_source == GDT_ES_TEST)
327 p->dvr.event_data.size = sizeof(p->dvr.event_data.eu.test);
328 else if (p->dvr.event_source == GDT_ES_DRIVER)
329 p->dvr.event_data.size= sizeof(p->dvr.event_data.eu.driver);
330 else if (p->dvr.event_source == GDT_ES_SYNC)
331 p->dvr.event_data.size = sizeof(p->dvr.event_data.eu.sync);
333 p->dvr.event_data.size = sizeof(p->dvr.event_data.eu.async);
335 gdt_store_event(p->dvr.event_source, p->dvr.event_idx,
338 } else if (p->erase == 0xfe) {
342 } else if (p->erase == 0) {
343 p->handle = gdt_read_event(p->handle, &p->dvr);
345 gdt_readapp_event((u_int8_t)p->erase, &p->dvr);
350 case GDT_IOCTL_STATIST:
354 p = (gdt_statist_t *)cmdarg;
355 bcopy(&gdt_stat, p, sizeof(gdt_statist_t));
363 --gdt_stat.io_count_act;
369 iir_drvinit(void *unused)
371 GDT_DPRINTF(GDT_D_DEBUG, ("iir_drvinit()\n"));
373 if (!iir_devsw_installed) {
374 cdevsw_add(&iir_cdevsw);
375 iir_devsw_installed = 1;
379 SYSINIT(iir_dev, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, iir_drvinit, NULL)