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>
55 #include <bus/pci/pcidevs.h>
58 #include <vm/vm_kern.h>
59 #include <vm/vm_extern.h>
64 /* Entry points and other prototypes */
65 static struct gdt_softc *gdt_minor2softc(int minor_no);
67 static d_open_t iir_open;
68 static d_close_t iir_close;
69 static d_write_t iir_write;
70 static d_read_t iir_read;
71 static d_ioctl_t iir_ioctl;
73 static struct dev_ops iir_ops = {
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 cdev_t
95 gdt_make_dev(int unit)
100 dev = make_dev(&iir_ops, hba2minor(unit), UID_ROOT, GID_OPERATOR,
101 S_IRUSR | S_IWUSR, "iir%d", unit);
105 dev = make_dev(&iir_ops, 0, UID_ROOT, GID_OPERATOR,
106 S_IRUSR | S_IWUSR, "iir");
114 gdt_destroy_dev(cdev_t dev)
121 * Given a minor device number,
122 * return the pointer to its softc structure
124 static struct gdt_softc *
125 gdt_minor2softc(int minor_no)
127 struct gdt_softc *gdt;
131 hanum = minor2hba(minor_no);
136 for (gdt = TAILQ_FIRST(&gdt_softcs);
137 gdt != NULL && gdt->sc_hanum != hanum;
138 gdt = TAILQ_NEXT(gdt, links));
144 iir_open(struct dev_open_args *ap)
146 GDT_DPRINTF(GDT_D_DEBUG, ("iir_open()\n"));
150 struct gdt_softc *gdt;
152 minor_no = minor(dev);
153 gdt = gdt_minor2softc(minor_no);
162 iir_close(struct dev_close_args *ap)
164 GDT_DPRINTF(GDT_D_DEBUG, ("iir_close()\n"));
168 struct gdt_softc *gdt;
170 minor_no = minor(dev);
171 gdt = gdt_minor2softc(minor_no);
180 iir_write(struct dev_write_args *ap)
182 GDT_DPRINTF(GDT_D_DEBUG, ("iir_write()\n"));
186 struct gdt_softc *gdt;
188 minor_no = minor(dev);
189 gdt = gdt_minor2softc(minor_no);
198 iir_read(struct dev_read_args *ap)
200 GDT_DPRINTF(GDT_D_DEBUG, ("iir_read()\n"));
204 struct gdt_softc *gdt;
206 minor_no = minor(dev);
207 gdt = gdt_minor2softc(minor_no);
216 * This is the control syscall interface.
217 * It should be binary compatible with UnixWare,
218 * if not totally syntatically so.
222 iir_ioctl(struct dev_ioctl_args *ap)
224 GDT_DPRINTF(GDT_D_DEBUG, ("iir_ioctl() cmd 0x%lx\n",cmd));
228 struct gdt_softc *gdt;
230 minor_no = minor(dev);
231 gdt = gdt_minor2softc(minor_no);
235 ++gdt_stat.io_count_act;
236 if (gdt_stat.io_count_act > gdt_stat.io_count_max)
237 gdt_stat.io_count_max = gdt_stat.io_count_act;
240 case GDT_IOCTL_GENERAL:
243 struct gdt_softc *gdt;
245 ucmd = (gdt_ucmd_t *)ap->a_data;
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, "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 *)ap->a_data;
272 gdt = gdt_minor2softc(p->io_node);
275 /* only RP controllers */
276 p->ext_type = 0x6000 | gdt->sc_device;
277 if (gdt->sc_vendor == PCI_VENDOR_INTEL) {
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 *)ap->a_data;
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 *)ap->a_data = gdt_cnt;
319 case GDT_IOCTL_EVENT:
323 p = (gdt_event_t *)ap->a_data;
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 *)ap->a_data;
354 bcopy(&gdt_stat, p, sizeof(gdt_statist_t));
362 --gdt_stat.io_count_act;