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/ioccom.h>
55 #include <sys/thread2.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 #define CDEV_MAJOR IIR_CDEV_MAJOR
75 /* Normally, this is a static structure. But we need it in pci/iir_pci.c */
76 static struct dev_ops iir_ops = {
77 { "iir", CDEV_MAJOR, 0 },
85 static int iir_devsw_installed = 0;
87 static int sdev_made = 0;
91 extern char osrelease[];
92 extern gdt_statist_t gdt_stat;
95 * Given a controller number,
96 * make a special device and return the cdev_t
99 gdt_make_dev(int unit)
104 dev = make_dev(&iir_ops, hba2minor(unit), UID_ROOT, GID_OPERATOR,
105 S_IRUSR | S_IWUSR, "iir%d", unit);
109 dev = make_dev(&iir_ops, 0, UID_ROOT, GID_OPERATOR,
110 S_IRUSR | S_IWUSR, "iir");
118 gdt_destroy_dev(cdev_t dev)
125 * Given a minor device number,
126 * return the pointer to its softc structure
128 static struct gdt_softc *
129 gdt_minor2softc(int minor_no)
131 struct gdt_softc *gdt;
135 hanum = minor2hba(minor_no);
140 for (gdt = TAILQ_FIRST(&gdt_softcs);
141 gdt != NULL && gdt->sc_hanum != hanum;
142 gdt = TAILQ_NEXT(gdt, links));
148 iir_open(struct dev_open_args *ap)
150 GDT_DPRINTF(GDT_D_DEBUG, ("iir_open()\n"));
154 struct gdt_softc *gdt;
156 minor_no = minor(dev);
157 gdt = gdt_minor2softc(minor_no);
166 iir_close(struct dev_close_args *ap)
168 GDT_DPRINTF(GDT_D_DEBUG, ("iir_close()\n"));
172 struct gdt_softc *gdt;
174 minor_no = minor(dev);
175 gdt = gdt_minor2softc(minor_no);
184 iir_write(struct dev_write_args *ap)
186 GDT_DPRINTF(GDT_D_DEBUG, ("iir_write()\n"));
190 struct gdt_softc *gdt;
192 minor_no = minor(dev);
193 gdt = gdt_minor2softc(minor_no);
202 iir_read(struct dev_read_args *ap)
204 GDT_DPRINTF(GDT_D_DEBUG, ("iir_read()\n"));
208 struct gdt_softc *gdt;
210 minor_no = minor(dev);
211 gdt = gdt_minor2softc(minor_no);
220 * This is the control syscall interface.
221 * It should be binary compatible with UnixWare,
222 * if not totally syntatically so.
226 iir_ioctl(struct dev_ioctl_args *ap)
228 GDT_DPRINTF(GDT_D_DEBUG, ("iir_ioctl() cmd 0x%lx\n",cmd));
232 struct gdt_softc *gdt;
234 minor_no = minor(dev);
235 gdt = gdt_minor2softc(minor_no);
239 ++gdt_stat.io_count_act;
240 if (gdt_stat.io_count_act > gdt_stat.io_count_max)
241 gdt_stat.io_count_max = gdt_stat.io_count_act;
244 case GDT_IOCTL_GENERAL:
247 struct gdt_softc *gdt;
249 ucmd = (gdt_ucmd_t *)ap->a_data;
250 gdt = gdt_minor2softc(ucmd->io_node);
254 TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links);
255 ucmd->complete_flag = FALSE;
258 if (!ucmd->complete_flag)
259 (void) tsleep((void *)ucmd, PCATCH, "iirucw", 0);
263 case GDT_IOCTL_DRVERS:
264 case GDT_IOCTL_DRVERS_OLD:
266 (IIR_DRIVER_VERSION << 8) | IIR_DRIVER_SUBVERSION;
269 case GDT_IOCTL_CTRTYPE:
270 case GDT_IOCTL_CTRTYPE_OLD:
273 struct gdt_softc *gdt;
275 p = (gdt_ctrt_t *)ap->a_data;
276 gdt = gdt_minor2softc(p->io_node);
279 /* only RP controllers */
280 p->ext_type = 0x6000 | gdt->sc_device;
281 if (gdt->sc_vendor == INTEL_VENDOR_ID) {
282 p->oem_id = OEM_ID_INTEL;
284 /* new -> subdevice into ext_type */
285 if (gdt->sc_device >= 0x600)
286 p->ext_type = 0x6000 | gdt->sc_subdevice;
288 p->oem_id = OEM_ID_ICP;
290 /* new -> subdevice into ext_type */
291 if (gdt->sc_device >= 0x300)
292 p->ext_type = 0x6000 | gdt->sc_subdevice;
294 p->info = (gdt->sc_bus << 8) | (gdt->sc_slot << 3);
295 p->device_id = gdt->sc_device;
296 p->sub_device_id = gdt->sc_subdevice;
300 case GDT_IOCTL_OSVERS:
304 p = (gdt_osv_t *)ap->a_data;
306 p->version = osrelease[0] - '0';
307 if (osrelease[1] == '.')
308 p->subversion = osrelease[2] - '0';
311 if (osrelease[3] == '.')
312 p->revision = osrelease[4] - '0';
315 strcpy(p->name, ostype);
319 case GDT_IOCTL_CTRCNT:
320 *(int *)ap->a_data = gdt_cnt;
323 case GDT_IOCTL_EVENT:
327 p = (gdt_event_t *)ap->a_data;
328 if (p->erase == 0xff) {
329 if (p->dvr.event_source == GDT_ES_TEST)
330 p->dvr.event_data.size = sizeof(p->dvr.event_data.eu.test);
331 else if (p->dvr.event_source == GDT_ES_DRIVER)
332 p->dvr.event_data.size= sizeof(p->dvr.event_data.eu.driver);
333 else if (p->dvr.event_source == GDT_ES_SYNC)
334 p->dvr.event_data.size = sizeof(p->dvr.event_data.eu.sync);
336 p->dvr.event_data.size = sizeof(p->dvr.event_data.eu.async);
338 gdt_store_event(p->dvr.event_source, p->dvr.event_idx,
341 } else if (p->erase == 0xfe) {
345 } else if (p->erase == 0) {
346 p->handle = gdt_read_event(p->handle, &p->dvr);
348 gdt_readapp_event((u_int8_t)p->erase, &p->dvr);
353 case GDT_IOCTL_STATIST:
357 p = (gdt_statist_t *)ap->a_data;
358 bcopy(&gdt_stat, p, sizeof(gdt_statist_t));
366 --gdt_stat.io_count_act;
371 iir_drvinit(void *unused)
373 GDT_DPRINTF(GDT_D_DEBUG, ("iir_drvinit()\n"));
375 if (!iir_devsw_installed) {
376 /* Add the I/O (data) channel */
377 dev_ops_add(&iir_ops, 0, 0);
378 iir_devsw_installed = 1;
382 SYSINIT(iir_dev, SI_SUB_DRIVERS, SI_ORDER_MIDDLE + CDEV_MAJOR, iir_drvinit, NULL)