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 <sys/sysctl.h>
55 #include <machine/bus.h>
57 #include <dev/iir/iir.h>
59 /* Entry points and other prototypes */
60 static struct gdt_softc *gdt_minor2softc(int minor_no);
62 static d_open_t iir_open;
63 static d_close_t iir_close;
64 static d_write_t iir_write;
65 static d_read_t iir_read;
66 static d_ioctl_t iir_ioctl;
68 /* Normally, this is a static structure. But we need it in pci/iir_pci.c */
69 static struct cdevsw iir_cdevsw = {
70 .d_version = D_VERSION,
71 .d_flags = D_NEEDGIANT,
81 static int iir_devsw_installed = 0;
84 static int sdev_made = 0;
87 extern gdt_statist_t gdt_stat;
90 * Given a controller number,
91 * make a special device and return the dev_t
94 gdt_make_dev(int unit)
99 dev = make_dev(&iir_cdevsw, hba2minor(unit), UID_ROOT, GID_OPERATOR,
100 S_IRUSR | S_IWUSR, "iir%d", unit);
104 dev = make_dev(&iir_cdevsw, 0, UID_ROOT, GID_OPERATOR,
105 S_IRUSR | S_IWUSR, "iir");
112 gdt_destroy_dev(struct cdev *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 cdev *dev, int flags, int fmt, struct thread * p)
144 GDT_DPRINTF(GDT_D_DEBUG, ("iir_open()\n"));
148 struct gdt_softc *gdt;
150 minor_no = dev2unit(dev);
151 gdt = gdt_minor2softc(minor_no);
160 iir_close(struct cdev *dev, int flags, int fmt, struct thread * p)
162 GDT_DPRINTF(GDT_D_DEBUG, ("iir_close()\n"));
166 struct gdt_softc *gdt;
168 minor_no = dev2unit(dev);
169 gdt = gdt_minor2softc(minor_no);
178 iir_write(struct cdev *dev, struct uio * uio, int ioflag)
180 GDT_DPRINTF(GDT_D_DEBUG, ("iir_write()\n"));
184 struct gdt_softc *gdt;
186 minor_no = dev2unit(dev);
187 gdt = gdt_minor2softc(minor_no);
196 iir_read(struct cdev *dev, struct uio * uio, int ioflag)
198 GDT_DPRINTF(GDT_D_DEBUG, ("iir_read()\n"));
202 struct gdt_softc *gdt;
204 minor_no = dev2unit(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 cdev *dev, u_long cmd, caddr_t cmdarg, int flags, struct thread * p)
222 GDT_DPRINTF(GDT_D_DEBUG, ("iir_ioctl() cmd 0x%lx\n",cmd));
226 struct gdt_softc *gdt;
228 minor_no = dev2unit(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;
244 ucmd = (gdt_ucmd_t *)cmdarg;
245 gdt = gdt_minor2softc(ucmd->io_node);
249 TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links);
250 ucmd->complete_flag = FALSE;
253 if (!ucmd->complete_flag)
254 (void) tsleep((void *)ucmd, PCATCH | PRIBIO, "iirucw", 0);
258 case GDT_IOCTL_DRVERS:
259 case GDT_IOCTL_DRVERS_OLD:
261 (IIR_DRIVER_VERSION << 8) | IIR_DRIVER_SUBVERSION;
264 case GDT_IOCTL_CTRTYPE:
265 case GDT_IOCTL_CTRTYPE_OLD:
268 struct gdt_softc *gdt;
270 p = (gdt_ctrt_t *)cmdarg;
271 gdt = gdt_minor2softc(p->io_node);
274 /* only RP controllers */
275 p->ext_type = 0x6000 | gdt->sc_device;
276 if (gdt->sc_vendor == INTEL_VENDOR_ID_IIR) {
277 p->oem_id = OEM_ID_INTEL;
279 /* new -> subdevice into ext_type */
280 if (gdt->sc_device >= 0x600)
281 p->ext_type = 0x6000 | gdt->sc_subdevice;
283 p->oem_id = OEM_ID_ICP;
285 /* new -> subdevice into ext_type */
286 if (gdt->sc_device >= 0x300)
287 p->ext_type = 0x6000 | gdt->sc_subdevice;
289 p->info = (gdt->sc_bus << 8) | (gdt->sc_slot << 3);
290 p->device_id = gdt->sc_device;
291 p->sub_device_id = gdt->sc_subdevice;
295 case GDT_IOCTL_OSVERS:
299 p = (gdt_osv_t *)cmdarg;
301 p->version = osrelease[0] - '0';
302 if (osrelease[1] == '.')
303 p->subversion = osrelease[2] - '0';
306 if (osrelease[3] == '.')
307 p->revision = osrelease[4] - '0';
310 strcpy(p->name, ostype);
314 case GDT_IOCTL_CTRCNT:
315 *(int *)cmdarg = gdt_cnt;
318 case GDT_IOCTL_EVENT:
323 p = (gdt_event_t *)cmdarg;
324 if (p->erase == 0xff) {
325 if (p->dvr.event_source == GDT_ES_TEST)
326 p->dvr.event_data.size = sizeof(p->dvr.event_data.eu.test);
327 else if (p->dvr.event_source == GDT_ES_DRIVER)
328 p->dvr.event_data.size= sizeof(p->dvr.event_data.eu.driver);
329 else if (p->dvr.event_source == GDT_ES_SYNC)
330 p->dvr.event_data.size = sizeof(p->dvr.event_data.eu.sync);
332 p->dvr.event_data.size = sizeof(p->dvr.event_data.eu.async);
334 gdt_store_event(p->dvr.event_source, p->dvr.event_idx,
337 } else if (p->erase == 0xfe) {
341 } else if (p->erase == 0) {
342 p->handle = gdt_read_event(p->handle, &p->dvr);
344 gdt_readapp_event((u_int8_t)p->erase, &p->dvr);
349 case GDT_IOCTL_STATIST:
353 p = (gdt_statist_t *)cmdarg;
354 bcopy(&gdt_stat, p, sizeof(gdt_statist_t));
362 --gdt_stat.io_count_act;
368 iir_drvinit(void *unused)
370 GDT_DPRINTF(GDT_D_DEBUG, ("iir_drvinit()\n"));
372 if (!iir_devsw_installed) {
373 cdevsw_add(&iir_cdevsw);
374 iir_devsw_installed = 1;
378 SYSINIT(iir_dev, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, iir_drvinit, NULL)