1/*-
2 * Copyright (c) 1999 Jonathan Lemon
3 * Copyright (c) 1999, 2000 Michael Smith
4 * Copyright (c) 2000 BSDi
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28/*
29 * Copyright (c) 2002 Eric Moore
30 * Copyright (c) 2002 LSI Logic Corporation
31 * All rights reserved.
32 *
33 * Redistribution and use in source and binary forms, with or without
34 * modification, are permitted provided that the following conditions
35 * are met:
36 * 1. Redistributions of source code must retain the above copyright
37 * notice, this list of conditions and the following disclaimer.
38 * 2. Redistributions in binary form must reproduce the above copyright
39 * notice, this list of conditions and the following disclaimer in the
40 * documentation and/or other materials provided with the distribution.
41 * 3. The party using or redistributing the source code and binary forms
42 * agrees to the disclaimer below and the terms and conditions set forth
43 * herein.
44 *
45 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
46 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
47 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
48 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
49 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
50 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
51 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
52 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
53 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
54 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
55 * SUCH DAMAGE.
56 */
57
58#include <sys/cdefs.h>
59__FBSDID("$FreeBSD: head/sys/dev/amr/amr_disk.c 126116 2004-02-22 10:00:05Z cperciva $");
60
61/*
62 * Disk driver for AMI MegaRaid controllers
63 */
64
65#include <sys/param.h>
66#include <sys/systm.h>
67#include <sys/kernel.h>
68
69#include <dev/amr/amr_compat.h>
70#include <sys/bus.h>
71#include <sys/conf.h>
72
73#include <machine/bus.h>
74#include <sys/rman.h>
75
76#include <dev/amr/amrio.h>
77#include <dev/amr/amrreg.h>
78#include <dev/amr/amrvar.h>
79#include <dev/amr/amr_tables.h>
80
81/* prototypes */
82static int amrd_probe(device_t dev);
83static int amrd_attach(device_t dev);
84static int amrd_detach(device_t dev);
85
86static disk_open_t amrd_open;
87static disk_strategy_t amrd_strategy;
88
89static devclass_t amrd_devclass;
90#ifdef FREEBSD_4
91static int disks_registered = 0;
92#endif
93
94static device_method_t amrd_methods[] = {
95 DEVMETHOD(device_probe, amrd_probe),
96 DEVMETHOD(device_attach, amrd_attach),
97 DEVMETHOD(device_detach, amrd_detach),
98 { 0, 0 }
99};
100
101static driver_t amrd_driver = {
102 "amrd",
103 amrd_methods,
104 sizeof(struct amrd_softc)
105};
106
107DRIVER_MODULE(amrd, amr, amrd_driver, amrd_devclass, 0, 0);
108
109static int
110amrd_open(struct disk *dp)
111{
112 struct amrd_softc *sc = (struct amrd_softc *)dp->d_drv1;
113#if __FreeBSD_version < 500000 /* old buf style */
114 struct disklabel *label;
115#endif
116
117 debug_called(1);
118
119 if (sc == NULL)
120 return (ENXIO);
121
122 /* controller not active? */
123 if (sc->amrd_controller->amr_state & AMR_STATE_SHUTDOWN)
124 return(ENXIO);
125
126#if __FreeBSD_version < 500000 /* old buf style */
127 label = &sc->amrd_disk.d_label;
128 bzero(label, sizeof(*label));
129 label->d_type = DTYPE_SCSI;
130 label->d_secsize = AMR_BLKSIZE;
131 label->d_nsectors = sc->amrd_drive->al_sectors;
132 label->d_ntracks = sc->amrd_drive->al_heads;
133 label->d_ncylinders = sc->amrd_drive->al_cylinders;
134 label->d_secpercyl = sc->amrd_drive->al_sectors * sc->amrd_drive->al_heads;
135 label->d_secperunit = sc->amrd_drive->al_size;
136#else
137 sc->amrd_disk->d_sectorsize = AMR_BLKSIZE;
138 sc->amrd_disk->d_mediasize = (off_t)sc->amrd_drive->al_size * AMR_BLKSIZE;
139 sc->amrd_disk->d_fwsectors = sc->amrd_drive->al_sectors;
140 sc->amrd_disk->d_fwheads = sc->amrd_drive->al_heads;
141#endif
142
143 return (0);
144}
145/********************************************************************************
146 * System crashdump support
147 */
148
149static int
150amrd_dump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
151{
152
153 struct amrd_softc *amrd_sc;
154 struct amr_softc *amr_sc;
155 int error;
156 struct disk *dp;
157
158 dp = arg;
159 amrd_sc = (struct amrd_softc *)dp->d_drv1;
160 if (amrd_sc == NULL)
161 return(ENXIO);
162 amr_sc = (struct amr_softc *)amrd_sc->amrd_controller;
163
164 if (length > 0) {
165 int driveno = amrd_sc->amrd_drive - amr_sc->amr_drive;
166 if ((error = amr_dump_blocks(amr_sc,driveno,offset / AMR_BLKSIZE ,(void *)virtual,(int) length / AMR_BLKSIZE )) != 0)
167 return(error);
168
169 }
170 return(0);
171}
172
173/*
174 * Read/write routine for a buffer. Finds the proper unit, range checks
175 * arguments, and schedules the transfer. Does not wait for the transfer
176 * to complete. Multi-page transfers are supported. All I/O requests must
177 * be a multiple of a sector in length.
178 */
179static void
180amrd_strategy(struct bio *bio)
181{
182 struct amrd_softc *sc = (struct amrd_softc *)bio->bio_disk->d_drv1;
183
184 /* bogus disk? */
185 if (sc == NULL) {
186 bio->bio_error = EINVAL;
187 goto bad;
188 }
189
190 amr_submit_bio(sc->amrd_controller, bio);
191 return;
192
193 bad:
194 bio->bio_flags |= BIO_ERROR;
195
196 /*
197 * Correctly set the buf to indicate a completed transfer
198 */
199 bio->bio_resid = bio->bio_bcount;
200 biodone(bio);
201 return;
202}
203
204void
205amrd_intr(void *data)
206{
207 struct bio *bio = (struct bio *)data;
208
209 debug_called(2);
210
211 if (bio->bio_flags & BIO_ERROR) {
212 bio->bio_error = EIO;
213 debug(1, "i/o error\n");
214 } else {
215 bio->bio_resid = 0;
216 }
217
218 AMR_BIO_FINISH(bio);
219}
220
221static int
222amrd_probe(device_t dev)
223{
224
225 debug_called(1);
226
227 device_set_desc(dev, "LSILogic MegaRAID logical drive");
228 return (0);
229}
230
231static int
232amrd_attach(device_t dev)
233{
234 struct amrd_softc *sc = (struct amrd_softc *)device_get_softc(dev);
235 device_t parent;
236
237 debug_called(1);
238
239 parent = device_get_parent(dev);
240 sc->amrd_controller = (struct amr_softc *)device_get_softc(parent);
241 sc->amrd_unit = device_get_unit(dev);
242 sc->amrd_drive = device_get_ivars(dev);
243 sc->amrd_dev = dev;
244
245 device_printf(dev, "%uMB (%u sectors) RAID %d (%s)\n",
246 sc->amrd_drive->al_size / ((1024 * 1024) / AMR_BLKSIZE),
247 sc->amrd_drive->al_size, sc->amrd_drive->al_properties & AMR_DRV_RAID_MASK,
248 amr_describe_code(amr_table_drvstate, AMR_DRV_CURSTATE(sc->amrd_drive->al_state)));
249
250 sc->amrd_disk = disk_alloc();
251 sc->amrd_disk->d_drv1 = sc;
252 sc->amrd_disk->d_maxsize = (AMR_NSEG - 1) * PAGE_SIZE;
253 sc->amrd_disk->d_open = amrd_open;
254 sc->amrd_disk->d_strategy = amrd_strategy;
255 sc->amrd_disk->d_name = "amrd";
256 sc->amrd_disk->d_dump = (dumper_t *)amrd_dump;
257 sc->amrd_disk->d_unit = sc->amrd_unit;
258 sc->amrd_disk->d_flags = DISKFLAG_NEEDSGIANT;
259 disk_create(sc->amrd_disk, DISK_VERSION);
260#ifdef FREEBSD_4
261 disks_registered++;
262#endif
263
264 return (0);
265}
266
267static int
268amrd_detach(device_t dev)
269{
270 struct amrd_softc *sc = (struct amrd_softc *)device_get_softc(dev);
271
272 debug_called(1);
273
274 if (sc->amrd_disk->d_flags & DISKFLAG_OPEN)
275 return(EBUSY);
276
277#ifdef FREEBSD_4
278 if (--disks_registered == 0)
279 cdevsw_remove(&amrddisk_cdevsw);
280#else
281 disk_destroy(sc->amrd_disk);
282#endif
283 return(0);
284}
285
2 * Copyright (c) 1999 Jonathan Lemon
3 * Copyright (c) 1999, 2000 Michael Smith
4 * Copyright (c) 2000 BSDi
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28/*
29 * Copyright (c) 2002 Eric Moore
30 * Copyright (c) 2002 LSI Logic Corporation
31 * All rights reserved.
32 *
33 * Redistribution and use in source and binary forms, with or without
34 * modification, are permitted provided that the following conditions
35 * are met:
36 * 1. Redistributions of source code must retain the above copyright
37 * notice, this list of conditions and the following disclaimer.
38 * 2. Redistributions in binary form must reproduce the above copyright
39 * notice, this list of conditions and the following disclaimer in the
40 * documentation and/or other materials provided with the distribution.
41 * 3. The party using or redistributing the source code and binary forms
42 * agrees to the disclaimer below and the terms and conditions set forth
43 * herein.
44 *
45 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
46 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
47 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
48 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
49 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
50 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
51 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
52 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
53 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
54 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
55 * SUCH DAMAGE.
56 */
57
58#include <sys/cdefs.h>
59__FBSDID("$FreeBSD: head/sys/dev/amr/amr_disk.c 126116 2004-02-22 10:00:05Z cperciva $");
60
61/*
62 * Disk driver for AMI MegaRaid controllers
63 */
64
65#include <sys/param.h>
66#include <sys/systm.h>
67#include <sys/kernel.h>
68
69#include <dev/amr/amr_compat.h>
70#include <sys/bus.h>
71#include <sys/conf.h>
72
73#include <machine/bus.h>
74#include <sys/rman.h>
75
76#include <dev/amr/amrio.h>
77#include <dev/amr/amrreg.h>
78#include <dev/amr/amrvar.h>
79#include <dev/amr/amr_tables.h>
80
81/* prototypes */
82static int amrd_probe(device_t dev);
83static int amrd_attach(device_t dev);
84static int amrd_detach(device_t dev);
85
86static disk_open_t amrd_open;
87static disk_strategy_t amrd_strategy;
88
89static devclass_t amrd_devclass;
90#ifdef FREEBSD_4
91static int disks_registered = 0;
92#endif
93
94static device_method_t amrd_methods[] = {
95 DEVMETHOD(device_probe, amrd_probe),
96 DEVMETHOD(device_attach, amrd_attach),
97 DEVMETHOD(device_detach, amrd_detach),
98 { 0, 0 }
99};
100
101static driver_t amrd_driver = {
102 "amrd",
103 amrd_methods,
104 sizeof(struct amrd_softc)
105};
106
107DRIVER_MODULE(amrd, amr, amrd_driver, amrd_devclass, 0, 0);
108
109static int
110amrd_open(struct disk *dp)
111{
112 struct amrd_softc *sc = (struct amrd_softc *)dp->d_drv1;
113#if __FreeBSD_version < 500000 /* old buf style */
114 struct disklabel *label;
115#endif
116
117 debug_called(1);
118
119 if (sc == NULL)
120 return (ENXIO);
121
122 /* controller not active? */
123 if (sc->amrd_controller->amr_state & AMR_STATE_SHUTDOWN)
124 return(ENXIO);
125
126#if __FreeBSD_version < 500000 /* old buf style */
127 label = &sc->amrd_disk.d_label;
128 bzero(label, sizeof(*label));
129 label->d_type = DTYPE_SCSI;
130 label->d_secsize = AMR_BLKSIZE;
131 label->d_nsectors = sc->amrd_drive->al_sectors;
132 label->d_ntracks = sc->amrd_drive->al_heads;
133 label->d_ncylinders = sc->amrd_drive->al_cylinders;
134 label->d_secpercyl = sc->amrd_drive->al_sectors * sc->amrd_drive->al_heads;
135 label->d_secperunit = sc->amrd_drive->al_size;
136#else
137 sc->amrd_disk->d_sectorsize = AMR_BLKSIZE;
138 sc->amrd_disk->d_mediasize = (off_t)sc->amrd_drive->al_size * AMR_BLKSIZE;
139 sc->amrd_disk->d_fwsectors = sc->amrd_drive->al_sectors;
140 sc->amrd_disk->d_fwheads = sc->amrd_drive->al_heads;
141#endif
142
143 return (0);
144}
145/********************************************************************************
146 * System crashdump support
147 */
148
149static int
150amrd_dump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
151{
152
153 struct amrd_softc *amrd_sc;
154 struct amr_softc *amr_sc;
155 int error;
156 struct disk *dp;
157
158 dp = arg;
159 amrd_sc = (struct amrd_softc *)dp->d_drv1;
160 if (amrd_sc == NULL)
161 return(ENXIO);
162 amr_sc = (struct amr_softc *)amrd_sc->amrd_controller;
163
164 if (length > 0) {
165 int driveno = amrd_sc->amrd_drive - amr_sc->amr_drive;
166 if ((error = amr_dump_blocks(amr_sc,driveno,offset / AMR_BLKSIZE ,(void *)virtual,(int) length / AMR_BLKSIZE )) != 0)
167 return(error);
168
169 }
170 return(0);
171}
172
173/*
174 * Read/write routine for a buffer. Finds the proper unit, range checks
175 * arguments, and schedules the transfer. Does not wait for the transfer
176 * to complete. Multi-page transfers are supported. All I/O requests must
177 * be a multiple of a sector in length.
178 */
179static void
180amrd_strategy(struct bio *bio)
181{
182 struct amrd_softc *sc = (struct amrd_softc *)bio->bio_disk->d_drv1;
183
184 /* bogus disk? */
185 if (sc == NULL) {
186 bio->bio_error = EINVAL;
187 goto bad;
188 }
189
190 amr_submit_bio(sc->amrd_controller, bio);
191 return;
192
193 bad:
194 bio->bio_flags |= BIO_ERROR;
195
196 /*
197 * Correctly set the buf to indicate a completed transfer
198 */
199 bio->bio_resid = bio->bio_bcount;
200 biodone(bio);
201 return;
202}
203
204void
205amrd_intr(void *data)
206{
207 struct bio *bio = (struct bio *)data;
208
209 debug_called(2);
210
211 if (bio->bio_flags & BIO_ERROR) {
212 bio->bio_error = EIO;
213 debug(1, "i/o error\n");
214 } else {
215 bio->bio_resid = 0;
216 }
217
218 AMR_BIO_FINISH(bio);
219}
220
221static int
222amrd_probe(device_t dev)
223{
224
225 debug_called(1);
226
227 device_set_desc(dev, "LSILogic MegaRAID logical drive");
228 return (0);
229}
230
231static int
232amrd_attach(device_t dev)
233{
234 struct amrd_softc *sc = (struct amrd_softc *)device_get_softc(dev);
235 device_t parent;
236
237 debug_called(1);
238
239 parent = device_get_parent(dev);
240 sc->amrd_controller = (struct amr_softc *)device_get_softc(parent);
241 sc->amrd_unit = device_get_unit(dev);
242 sc->amrd_drive = device_get_ivars(dev);
243 sc->amrd_dev = dev;
244
245 device_printf(dev, "%uMB (%u sectors) RAID %d (%s)\n",
246 sc->amrd_drive->al_size / ((1024 * 1024) / AMR_BLKSIZE),
247 sc->amrd_drive->al_size, sc->amrd_drive->al_properties & AMR_DRV_RAID_MASK,
248 amr_describe_code(amr_table_drvstate, AMR_DRV_CURSTATE(sc->amrd_drive->al_state)));
249
250 sc->amrd_disk = disk_alloc();
251 sc->amrd_disk->d_drv1 = sc;
252 sc->amrd_disk->d_maxsize = (AMR_NSEG - 1) * PAGE_SIZE;
253 sc->amrd_disk->d_open = amrd_open;
254 sc->amrd_disk->d_strategy = amrd_strategy;
255 sc->amrd_disk->d_name = "amrd";
256 sc->amrd_disk->d_dump = (dumper_t *)amrd_dump;
257 sc->amrd_disk->d_unit = sc->amrd_unit;
258 sc->amrd_disk->d_flags = DISKFLAG_NEEDSGIANT;
259 disk_create(sc->amrd_disk, DISK_VERSION);
260#ifdef FREEBSD_4
261 disks_registered++;
262#endif
263
264 return (0);
265}
266
267static int
268amrd_detach(device_t dev)
269{
270 struct amrd_softc *sc = (struct amrd_softc *)device_get_softc(dev);
271
272 debug_called(1);
273
274 if (sc->amrd_disk->d_flags & DISKFLAG_OPEN)
275 return(EBUSY);
276
277#ifdef FREEBSD_4
278 if (--disks_registered == 0)
279 cdevsw_remove(&amrddisk_cdevsw);
280#else
281 disk_destroy(sc->amrd_disk);
282#endif
283 return(0);
284}
285