icp_ioctl.c revision 1.1 1 /* $NetBSD: icp_ioctl.c,v 1.1 2003/05/13 15:42:34 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 2003 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of Wasabi Systems, Inc.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
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. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /*
40 * Copyright (c) 2000-01 Intel Corporation
41 * All Rights Reserved
42 *
43 * Redistribution and use in source and binary forms, with or without
44 * modification, are permitted provided that the following conditions
45 * are met:
46 * 1. Redistributions of source code must retain the above copyright
47 * notice, this list of conditions, and the following disclaimer,
48 * without modification, immediately at the beginning of the file.
49 * 2. Redistributions in binary form must reproduce the above copyright
50 * notice, this list of conditions and the following disclaimer in the
51 * documentation and/or other materials provided with the distribution.
52 * 3. The name of the author may not be used to endorse or promote products
53 * derived from this software without specific prior written permission.
54 *
55 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
56 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
57 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
58 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
59 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
60 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
61 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
62 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
63 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
64 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
65 * SUCH DAMAGE.
66 */
67
68 /*
69 * icp_ioctl.c: Ioctl interface for the ICP-Vortex management tools.
70 *
71 * Based on ICP's FreeBSD "iir" driver ioctl interface, written by
72 * Achim Leubner <achim.leubner (at) intel.com>.
73 *
74 * This is intended to be ABI-compatile with the ioctl interface for
75 * other OSs.
76 */
77
78 #include <sys/cdefs.h>
79 __KERNEL_RCSID(0, "$NetBSD: icp_ioctl.c,v 1.1 2003/05/13 15:42:34 thorpej Exp $");
80
81 #include <sys/param.h>
82 #include <sys/systm.h>
83 #include <sys/kernel.h>
84 #include <sys/device.h>
85 #include <sys/proc.h>
86 #include <sys/conf.h>
87 #include <sys/ioctl.h>
88
89 #include <machine/bus.h>
90
91 #include <dev/ic/icpreg.h>
92 #include <dev/ic/icpvar.h>
93
94 /* These are simply the same as ICP's "iir" driver for FreeBSD. */
95 #define ICP_DRIVER_VERSION 1
96 #define ICP_DRIVER_SUBVERSION 3
97
98 static dev_type_open(icpopen);
99 static dev_type_ioctl(icpioctl);
100
101 const struct cdevsw icp_cdevsw = {
102 icpopen, nullclose, noread, nowrite, icpioctl,
103 nostop, notty, nopoll, nommap, nokqfilter,
104 };
105
106 extern struct cfdriver icp_cd;
107
108 static int
109 icpopen(dev_t dev, int flag, int mode, struct proc *p)
110 {
111
112 if (device_lookup(&icp_cd, minor(dev)) == NULL)
113 return (ENXIO);
114
115 return (0);
116 }
117
118 static int
119 icpioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
120 {
121 int error = 0;
122
123 switch (cmd) {
124 case GDT_IOCTL_GENERAL:
125 {
126 struct icp_softc *icp;
127 gdt_ucmd_t *ucmd = (void *) data;
128
129 icp = device_lookup(&icp_cd, ucmd->io_node);
130 if (icp == NULL)
131 return (ENXIO);
132
133 error = icp_ucmd(icp, ucmd);
134 break;
135 }
136
137 case GDT_IOCTL_DRVERS:
138 *(int *) data =
139 (ICP_DRIVER_VERSION << 8) | ICP_DRIVER_SUBVERSION;
140 break;
141
142 case GDT_IOCTL_CTRTYPE:
143 {
144 struct icp_softc *icp;
145 gdt_ctrt_t *p = (void *) data;
146
147 icp = device_lookup(&icp_cd, p->io_node);
148 if (icp == NULL)
149 return (ENXIO);
150
151 /* XXX magic numbers */
152 p->oem_id = 0x8000;
153 p->type = 0xfd;
154 p->info = (icp->icp_pci_bus << 8) | (icp->icp_pci_device << 3);
155 p->ext_type = 0x6000 | icp->icp_pci_subdevice_id;
156 p->device_id = icp->icp_pci_device_id;
157 p->sub_device_id = icp->icp_pci_subdevice_id;
158 break;
159 }
160
161 case GDT_IOCTL_OSVERS:
162 {
163 gdt_osv_t *p = (void *) data;
164
165 p->oscode = 12;
166
167 /*
168 * __NetBSD_Version__ is encoded thusly:
169 *
170 * MMmmrrpp00
171 *
172 * M = major version
173 * m = minor version
174 * r = release ["",A-Z[A-Z] but numeric]
175 * p = patchlevel
176 *
177 * Since the ABI is not supposed to change between
178 * patchlevels of the same major/minor version, we
179 * will encode major/minor/release into the returned
180 * data.
181 */
182
183 p->version = __NetBSD_Version__ / 100000000;
184 p->subversion = (__NetBSD_Version__ / 1000000) % 100;
185 p->revision = (__NetBSD_Version__ / 10000) % 100;
186
187 strcpy(p->name, ostype);
188 break;
189 }
190
191 case GDT_IOCTL_CTRCNT:
192 *(int *) data = icp_count;
193 break;
194
195 case GDT_IOCTL_EVENT:
196 {
197 struct icp_softc *icp;
198 gdt_event_t *p = (void *) data;
199 gdt_evt_str *e = &p->dvr;
200 int s;
201
202 icp = device_lookup(&icp_cd, minor(dev));
203
204 switch (p->erase) {
205 case 0xff:
206 switch (p->dvr.event_source) {
207 case GDT_ES_TEST:
208 e->event_data.size =
209 sizeof(e->event_data.eu.test);
210 break;
211
212 case GDT_ES_DRIVER:
213 e->event_data.size =
214 sizeof(e->event_data.eu.driver);
215 break;
216
217 case GDT_ES_SYNC:
218 e->event_data.size =
219 sizeof(e->event_data.eu.sync);
220 break;
221
222 default:
223 e->event_data.size =
224 sizeof(e->event_data.eu.async);
225 break;
226 }
227 s = splbio();
228 icp_store_event(icp, e->event_source, e->event_idx,
229 &e->event_data);
230 splx(s);
231 break;
232
233 case 0xfe:
234 s = splbio();
235 icp_clear_events(icp);
236 splx(s);
237 break;
238
239 case 0:
240 p->handle = icp_read_event(icp, p->handle, e);
241 break;
242
243 default:
244 icp_readapp_event(icp, (u_int8_t) p->erase, e);
245 break;
246 }
247 break;
248 }
249
250 case GDT_IOCTL_STATIST:
251 memcpy(&icp_stats, data, sizeof(gdt_statist_t));
252 break;
253
254 default:
255 return (ENOTTY);
256 }
257
258 return (error);
259 }
260