1 /* $FreeBSD: src/sys/dev/iir/iir_ctrl.c,v 1.17 2005/05/06 02:32:34 cperciva Exp $ */
2 /* $DragonFly: src/sys/dev/raid/iir/iir_ctrl.c,v 1.13 2007/05/17 21:08:49 dillon Exp $ */
4 * Copyright (c) 2000-03 ICP vortex GmbH
5 * Copyright (c) 2002-03 Intel Corporation
6 * Copyright (c) 2003 Adaptec Inc.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions, and the following disclaimer,
14 * without modification, immediately at the beginning of the file.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
25 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * iir_ctrl.c: Control functions and /dev entry points for /dev/iir*
37 * Written by: Achim Leubner <achim_leubner@adaptec.com>
38 * Fixes/Additions: Boji Tony Kannanthanam <boji.t.kannanthanam@intel.com>
40 * $Id: iir_ctrl.c 1.3 2003/08/26 12:31:15 achim Exp $"
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/device.h>
54 #include <sys/thread2.h>
57 #include <vm/vm_kern.h>
58 #include <vm/vm_extern.h>
63 /* Entry points and other prototypes */
64 static struct gdt_softc *gdt_minor2softc(int minor_no);
66 static d_open_t iir_open;
67 static d_close_t iir_close;
68 static d_write_t iir_write;
69 static d_read_t iir_read;
70 static d_ioctl_t iir_ioctl;
72 #define CDEV_MAJOR IIR_CDEV_MAJOR
74 /* Normally, this is a static structure. But we need it in pci/iir_pci.c */
75 static struct dev_ops iir_ops = {
76 { "iir", CDEV_MAJOR, 0 },
85 static int sdev_made = 0;
89 extern char osrelease[];
90 extern gdt_statist_t gdt_stat;
93 * Given a controller number,
94 * make a special device and return the cdev_t
97 gdt_make_dev(int unit)
102 dev = make_dev(&iir_ops, hba2minor(unit), UID_ROOT, GID_OPERATOR,
103 S_IRUSR | S_IWUSR, "iir%d", unit);
107 dev = make_dev(&iir_ops, 0, UID_ROOT, GID_OPERATOR,
108 S_IRUSR | S_IWUSR, "iir");
116 gdt_destroy_dev(cdev_t dev)
123 * Given a minor device number,
124 * return the pointer to its softc structure
126 static struct gdt_softc *
127 gdt_minor2softc(int minor_no)
129 struct gdt_softc *gdt;
133 hanum = minor2hba(minor_no);
138 for (gdt = TAILQ_FIRST(&gdt_softcs);
139 gdt != NULL && gdt->sc_hanum != hanum;
140 gdt = TAILQ_NEXT(gdt, links));
146 iir_open(struct dev_open_args *ap)
148 GDT_DPRINTF(GDT_D_DEBUG, ("iir_open()\n"));
152 struct gdt_softc *gdt;
154 minor_no = minor(dev);
155 gdt = gdt_minor2softc(minor_no);
164 iir_close(struct dev_close_args *ap)
166 GDT_DPRINTF(GDT_D_DEBUG, ("iir_close()\n"));
170 struct gdt_softc *gdt;
172 minor_no = minor(dev);
173 gdt = gdt_minor2softc(minor_no);
182 iir_write(struct dev_write_args *ap)
184 GDT_DPRINTF(GDT_D_DEBUG, ("iir_write()\n"));
188 struct gdt_softc *gdt;
190 minor_no = minor(dev);
191 gdt = gdt_minor2softc(minor_no);
200 iir_read(struct dev_read_args *ap)
202 GDT_DPRINTF(GDT_D_DEBUG, ("iir_read()\n"));
206 struct gdt_softc *gdt;
208 minor_no = minor(dev);
209 gdt = gdt_minor2softc(minor_no);
218 * This is the control syscall interface.
219 * It should be binary compatible with UnixWare,
220 * if not totally syntatically so.
224 iir_ioctl(struct dev_ioctl_args *ap)
226 GDT_DPRINTF(GDT_D_DEBUG, ("iir_ioctl() cmd 0x%lx\n",cmd));
230 struct gdt_softc *gdt;
232 minor_no = minor(dev);
233 gdt = gdt_minor2softc(minor_no);
237 ++gdt_stat.io_count_act;
238 if (gdt_stat.io_count_act > gdt_stat.io_count_max)
239 gdt_stat.io_count_max = gdt_stat.io_count_act;
242 case GDT_IOCTL_GENERAL:
245 struct gdt_softc *gdt;
247 ucmd = (gdt_ucmd_t *)ap->a_data;
248 gdt = gdt_minor2softc(ucmd->io_node);
252 TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links);
253 ucmd->complete_flag = FALSE;
256 if (!ucmd->complete_flag)
257 (void) tsleep((void *)ucmd, PCATCH, "iirucw", 0);
261 case GDT_IOCTL_DRVERS:
262 case GDT_IOCTL_DRVERS_OLD:
264 (IIR_DRIVER_VERSION << 8) | IIR_DRIVER_SUBVERSION;
267 case GDT_IOCTL_CTRTYPE:
268 case GDT_IOCTL_CTRTYPE_OLD:
271 struct gdt_softc *gdt;
273 p = (gdt_ctrt_t *)ap->a_data;
274 gdt = gdt_minor2softc(p->io_node);
277 /* only RP controllers */
278 p->ext_type = 0x6000 | gdt->sc_device;
279 if (gdt->sc_vendor == INTEL_VENDOR_ID) {
280 p->oem_id = OEM_ID_INTEL;
282 /* new -> subdevice into ext_type */
283 if (gdt->sc_device >= 0x600)
284 p->ext_type = 0x6000 | gdt->sc_subdevice;
286 p->oem_id = OEM_ID_ICP;
288 /* new -> subdevice into ext_type */
289 if (gdt->sc_device >= 0x300)
290 p->ext_type = 0x6000 | gdt->sc_subdevice;
292 p->info = (gdt->sc_bus << 8) | (gdt->sc_slot << 3);
293 p->device_id = gdt->sc_device;
294 p->sub_device_id = gdt->sc_subdevice;
298 case GDT_IOCTL_OSVERS:
302 p = (gdt_osv_t *)ap->a_data;
304 p->version = osrelease[0] - '0';
305 if (osrelease[1] == '.')
306 p->subversion = osrelease[2] - '0';
309 if (osrelease[3] == '.')
310 p->revision = osrelease[4] - '0';
313 strcpy(p->name, ostype);
317 case GDT_IOCTL_CTRCNT:
318 *(int *)ap->a_data = gdt_cnt;
321 case GDT_IOCTL_EVENT:
325 p = (gdt_event_t *)ap->a_data;
326 if (p->erase == 0xff) {
327 if (p->dvr.event_source == GDT_ES_TEST)
328 p->dvr.event_data.size = sizeof(p->dvr.event_data.eu.test);
329 else if (p->dvr.event_source == GDT_ES_DRIVER)
330 p->dvr.event_data.size= sizeof(p->dvr.event_data.eu.driver);
331 else if (p->dvr.event_source == GDT_ES_SYNC)
332 p->dvr.event_data.size = sizeof(p->dvr.event_data.eu.sync);
334 p->dvr.event_data.size = sizeof(p->dvr.event_data.eu.async);
336 gdt_store_event(p->dvr.event_source, p->dvr.event_idx,
339 } else if (p->erase == 0xfe) {
343 } else if (p->erase == 0) {
344 p->handle = gdt_read_event(p->handle, &p->dvr);
346 gdt_readapp_event((u_int8_t)p->erase, &p->dvr);
351 case GDT_IOCTL_STATIST:
355 p = (gdt_statist_t *)ap->a_data;
356 bcopy(&gdt_stat, p, sizeof(gdt_statist_t));
364 --gdt_stat.io_count_act;