1 /* $FreeBSD: src/sys/dev/iir/iir_ctrl.c,v 1.17 2005/05/06 02:32:34 cperciva Exp $ */
3 * Copyright (c) 2000-03 ICP vortex GmbH
4 * Copyright (c) 2002-03 Intel Corporation
5 * Copyright (c) 2003 Adaptec Inc.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions, and the following disclaimer,
13 * without modification, immediately at the beginning of the file.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * iir_ctrl.c: Control functions and /dev entry points for /dev/iir*
36 * Written by: Achim Leubner <achim_leubner@adaptec.com>
37 * Fixes/Additions: Boji Tony Kannanthanam <boji.t.kannanthanam@intel.com>
39 * $Id: iir_ctrl.c 1.3 2003/08/26 12:31:15 achim Exp $"
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/endian.h>
46 #include <sys/malloc.h>
47 #include <sys/kernel.h>
52 #include <sys/device.h>
53 #include <sys/thread2.h>
56 #include <vm/vm_kern.h>
57 #include <vm/vm_extern.h>
62 /* Entry points and other prototypes */
63 static struct gdt_softc *gdt_minor2softc(int minor_no);
65 static d_open_t iir_open;
66 static d_close_t iir_close;
67 static d_write_t iir_write;
68 static d_read_t iir_read;
69 static d_ioctl_t iir_ioctl;
71 static struct dev_ops iir_ops = {
81 static int sdev_made = 0;
85 extern char osrelease[];
86 extern gdt_statist_t gdt_stat;
89 * Given a controller number,
90 * make a special device and return the cdev_t
93 gdt_make_dev(int unit)
98 dev = make_dev(&iir_ops, hba2minor(unit), UID_ROOT, GID_OPERATOR,
99 S_IRUSR | S_IWUSR, "iir%d", unit);
103 dev = make_dev(&iir_ops, 0, UID_ROOT, GID_OPERATOR,
104 S_IRUSR | S_IWUSR, "iir");
112 gdt_destroy_dev(cdev_t dev)
119 * Given a minor device number,
120 * return the pointer to its softc structure
122 static struct gdt_softc *
123 gdt_minor2softc(int minor_no)
125 struct gdt_softc *gdt;
129 hanum = minor2hba(minor_no);
134 for (gdt = TAILQ_FIRST(&gdt_softcs);
135 gdt != NULL && gdt->sc_hanum != hanum;
136 gdt = TAILQ_NEXT(gdt, links));
142 iir_open(struct dev_open_args *ap)
144 GDT_DPRINTF(GDT_D_DEBUG, ("iir_open()\n"));
148 struct gdt_softc *gdt;
150 minor_no = minor(dev);
151 gdt = gdt_minor2softc(minor_no);
160 iir_close(struct dev_close_args *ap)
162 GDT_DPRINTF(GDT_D_DEBUG, ("iir_close()\n"));
166 struct gdt_softc *gdt;
168 minor_no = minor(dev);
169 gdt = gdt_minor2softc(minor_no);
178 iir_write(struct dev_write_args *ap)
180 GDT_DPRINTF(GDT_D_DEBUG, ("iir_write()\n"));
184 struct gdt_softc *gdt;
186 minor_no = minor(dev);
187 gdt = gdt_minor2softc(minor_no);
196 iir_read(struct dev_read_args *ap)
198 GDT_DPRINTF(GDT_D_DEBUG, ("iir_read()\n"));
202 struct gdt_softc *gdt;
204 minor_no = minor(dev);
205 gdt = gdt_minor2softc(minor_no);
214 * This is the control syscall interface.
215 * It should be binary compatible with UnixWare,
216 * if not totally syntatically so.
220 iir_ioctl(struct dev_ioctl_args *ap)
222 GDT_DPRINTF(GDT_D_DEBUG, ("iir_ioctl() cmd 0x%lx\n",cmd));
226 struct gdt_softc *gdt;
228 minor_no = minor(dev);
229 gdt = gdt_minor2softc(minor_no);
233 ++gdt_stat.io_count_act;
234 if (gdt_stat.io_count_act > gdt_stat.io_count_max)
235 gdt_stat.io_count_max = gdt_stat.io_count_act;
238 case GDT_IOCTL_GENERAL:
241 struct gdt_softc *gdt;
243 ucmd = (gdt_ucmd_t *)ap->a_data;
244 gdt = gdt_minor2softc(ucmd->io_node);
248 TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links);
249 ucmd->complete_flag = FALSE;
252 if (!ucmd->complete_flag)
253 (void) tsleep((void *)ucmd, PCATCH, "iirucw", 0);
257 case GDT_IOCTL_DRVERS:
258 case GDT_IOCTL_DRVERS_OLD:
260 (IIR_DRIVER_VERSION << 8) | IIR_DRIVER_SUBVERSION;
263 case GDT_IOCTL_CTRTYPE:
264 case GDT_IOCTL_CTRTYPE_OLD:
267 struct gdt_softc *gdt;
269 p = (gdt_ctrt_t *)ap->a_data;
270 gdt = gdt_minor2softc(p->io_node);
273 /* only RP controllers */
274 p->ext_type = 0x6000 | gdt->sc_device;
275 if (gdt->sc_vendor == INTEL_VENDOR_ID) {
276 p->oem_id = OEM_ID_INTEL;
278 /* new -> subdevice into ext_type */
279 if (gdt->sc_device >= 0x600)
280 p->ext_type = 0x6000 | gdt->sc_subdevice;
282 p->oem_id = OEM_ID_ICP;
284 /* new -> subdevice into ext_type */
285 if (gdt->sc_device >= 0x300)
286 p->ext_type = 0x6000 | gdt->sc_subdevice;
288 p->info = (gdt->sc_bus << 8) | (gdt->sc_slot << 3);
289 p->device_id = gdt->sc_device;
290 p->sub_device_id = gdt->sc_subdevice;
294 case GDT_IOCTL_OSVERS:
298 p = (gdt_osv_t *)ap->a_data;
300 p->version = osrelease[0] - '0';
301 if (osrelease[1] == '.')
302 p->subversion = osrelease[2] - '0';
305 if (osrelease[3] == '.')
306 p->revision = osrelease[4] - '0';
309 strcpy(p->name, ostype);
313 case GDT_IOCTL_CTRCNT:
314 *(int *)ap->a_data = gdt_cnt;
317 case GDT_IOCTL_EVENT:
321 p = (gdt_event_t *)ap->a_data;
322 if (p->erase == 0xff) {
323 if (p->dvr.event_source == GDT_ES_TEST)
324 p->dvr.event_data.size = sizeof(p->dvr.event_data.eu.test);
325 else if (p->dvr.event_source == GDT_ES_DRIVER)
326 p->dvr.event_data.size= sizeof(p->dvr.event_data.eu.driver);
327 else if (p->dvr.event_source == GDT_ES_SYNC)
328 p->dvr.event_data.size = sizeof(p->dvr.event_data.eu.sync);
330 p->dvr.event_data.size = sizeof(p->dvr.event_data.eu.async);
332 gdt_store_event(p->dvr.event_source, p->dvr.event_idx,
335 } else if (p->erase == 0xfe) {
339 } else if (p->erase == 0) {
340 p->handle = gdt_read_event(p->handle, &p->dvr);
342 gdt_readapp_event((u_int8_t)p->erase, &p->dvr);
347 case GDT_IOCTL_STATIST:
351 p = (gdt_statist_t *)ap->a_data;
352 bcopy(&gdt_stat, p, sizeof(gdt_statist_t));
360 --gdt_stat.io_count_act;