1/*-
2 * Copyright (c) 1999 Jonathan Lemon
3 * Copyright (c) 1999 Michael Smith
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 */
28
29#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 1999 Jonathan Lemon
3 * Copyright (c) 1999 Michael Smith
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 */
28
29#include <sys/cdefs.h>
|
30__FBSDID("$FreeBSD: head/sys/dev/mlx/mlx_disk.c 119418 2003-08-24 17:55:58Z obrien $");
| 30__FBSDID("$FreeBSD: head/sys/dev/mlx/mlx_disk.c 125975 2004-02-18 21:36:53Z phk $");
|
31
32/*
33 * Disk driver for Mylex DAC960 RAID adapters.
34 */
35
36#include <sys/param.h>
37#include <sys/systm.h>
38#include <sys/kernel.h>
39
40#include <sys/bus.h>
41#include <sys/conf.h>
42
43#include <machine/bus.h>
44#include <sys/rman.h>
45
46#include <geom/geom_disk.h>
47
48#include <dev/mlx/mlx_compat.h>
49#include <dev/mlx/mlxio.h>
50#include <dev/mlx/mlxvar.h>
51#include <dev/mlx/mlxreg.h>
52
53/* prototypes */
54static int mlxd_probe(device_t dev);
55static int mlxd_attach(device_t dev);
56static int mlxd_detach(device_t dev);
57
58devclass_t mlxd_devclass;
59
60static device_method_t mlxd_methods[] = {
61 DEVMETHOD(device_probe, mlxd_probe),
62 DEVMETHOD(device_attach, mlxd_attach),
63 DEVMETHOD(device_detach, mlxd_detach),
64 { 0, 0 }
65};
66
67static driver_t mlxd_driver = {
68 "mlxd",
69 mlxd_methods,
70 sizeof(struct mlxd_softc)
71};
72
73DRIVER_MODULE(mlxd, mlx, mlxd_driver, mlxd_devclass, 0, 0);
74
75static int
76mlxd_open(struct disk *dp)
77{
78 struct mlxd_softc *sc = (struct mlxd_softc *)dp->d_drv1;
79
80 debug_called(1);
81
82 if (sc == NULL)
83 return (ENXIO);
84
85 /* controller not active? */
86 if (sc->mlxd_controller->mlx_state & MLX_STATE_SHUTDOWN)
87 return(ENXIO);
88
89 sc->mlxd_flags |= MLXD_OPEN;
90 return (0);
91}
92
93static int
94mlxd_close(struct disk *dp)
95{
96 struct mlxd_softc *sc = (struct mlxd_softc *)dp->d_drv1;
97
98 debug_called(1);
99
100 if (sc == NULL)
101 return (ENXIO);
102 sc->mlxd_flags &= ~MLXD_OPEN;
103 return (0);
104}
105
106static int
107mlxd_ioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td)
108{
109 struct mlxd_softc *sc = (struct mlxd_softc *)dp->d_drv1;
110 int error;
111
112 debug_called(1);
113
114 if (sc == NULL)
115 return (ENXIO);
116
117 if ((error = mlx_submit_ioctl(sc->mlxd_controller, sc->mlxd_drive, cmd, addr, flag, td)) != ENOIOCTL) {
118 debug(0, "mlx_submit_ioctl returned %d\n", error);
119 return(error);
120 }
121 return (ENOTTY);
122}
123
124/*
125 * Read/write routine for a buffer. Finds the proper unit, range checks
126 * arguments, and schedules the transfer. Does not wait for the transfer
127 * to complete. Multi-page transfers are supported. All I/O requests must
128 * be a multiple of a sector in length.
129 */
130static void
131mlxd_strategy(mlx_bio *bp)
132{
133 struct mlxd_softc *sc = (struct mlxd_softc *)MLX_BIO_SOFTC(bp);
134
135 debug_called(1);
136
137 /* bogus disk? */
138 if (sc == NULL) {
139 MLX_BIO_SET_ERROR(bp, EINVAL);
140 goto bad;
141 }
142
143 /* XXX may only be temporarily offline - sleep? */
144 if (sc->mlxd_drive->ms_state == MLX_SYSD_OFFLINE) {
145 MLX_BIO_SET_ERROR(bp, ENXIO);
146 goto bad;
147 }
148
149 MLX_BIO_STATS_START(bp);
150 mlx_submit_buf(sc->mlxd_controller, bp);
151 return;
152
153 bad:
154 /*
155 * Correctly set the bio to indicate a failed tranfer.
156 */
157 MLX_BIO_RESID(bp) = MLX_BIO_LENGTH(bp);
158 MLX_BIO_DONE(bp);
159 return;
160}
161
162void
163mlxd_intr(void *data)
164{
165 mlx_bio *bp = (mlx_bio *)data;
166
167 debug_called(1);
168
169 if (MLX_BIO_HAS_ERROR(bp))
170 MLX_BIO_SET_ERROR(bp, EIO);
171 else
172 MLX_BIO_RESID(bp) = 0;
173
174 MLX_BIO_STATS_END(bp);
175 MLX_BIO_DONE(bp);
176}
177
178static int
179mlxd_probe(device_t dev)
180{
181
182 debug_called(1);
183
184 device_set_desc(dev, "Mylex System Drive");
185 return (0);
186}
187
188static int
189mlxd_attach(device_t dev)
190{
191 struct mlxd_softc *sc = (struct mlxd_softc *)device_get_softc(dev);
192 device_t parent;
193 char *state;
194 int s1, s2;
195
196 debug_called(1);
197
198 parent = device_get_parent(dev);
199 sc->mlxd_controller = (struct mlx_softc *)device_get_softc(parent);
200 sc->mlxd_unit = device_get_unit(dev);
201 sc->mlxd_drive = device_get_ivars(dev);
202 sc->mlxd_dev = dev;
203
204 switch(sc->mlxd_drive->ms_state) {
205 case MLX_SYSD_ONLINE:
206 state = "online";
207 break;
208 case MLX_SYSD_CRITICAL:
209 state = "critical";
210 break;
211 case MLX_SYSD_OFFLINE:
212 state = "offline";
213 break;
214 default:
215 state = "unknown state";
216 }
217
218 device_printf(dev, "%uMB (%u sectors) RAID %d (%s)\n",
219 sc->mlxd_drive->ms_size / ((1024 * 1024) / MLX_BLKSIZE),
220 sc->mlxd_drive->ms_size, sc->mlxd_drive->ms_raidlevel, state);
221
| 31
32/*
33 * Disk driver for Mylex DAC960 RAID adapters.
34 */
35
36#include <sys/param.h>
37#include <sys/systm.h>
38#include <sys/kernel.h>
39
40#include <sys/bus.h>
41#include <sys/conf.h>
42
43#include <machine/bus.h>
44#include <sys/rman.h>
45
46#include <geom/geom_disk.h>
47
48#include <dev/mlx/mlx_compat.h>
49#include <dev/mlx/mlxio.h>
50#include <dev/mlx/mlxvar.h>
51#include <dev/mlx/mlxreg.h>
52
53/* prototypes */
54static int mlxd_probe(device_t dev);
55static int mlxd_attach(device_t dev);
56static int mlxd_detach(device_t dev);
57
58devclass_t mlxd_devclass;
59
60static device_method_t mlxd_methods[] = {
61 DEVMETHOD(device_probe, mlxd_probe),
62 DEVMETHOD(device_attach, mlxd_attach),
63 DEVMETHOD(device_detach, mlxd_detach),
64 { 0, 0 }
65};
66
67static driver_t mlxd_driver = {
68 "mlxd",
69 mlxd_methods,
70 sizeof(struct mlxd_softc)
71};
72
73DRIVER_MODULE(mlxd, mlx, mlxd_driver, mlxd_devclass, 0, 0);
74
75static int
76mlxd_open(struct disk *dp)
77{
78 struct mlxd_softc *sc = (struct mlxd_softc *)dp->d_drv1;
79
80 debug_called(1);
81
82 if (sc == NULL)
83 return (ENXIO);
84
85 /* controller not active? */
86 if (sc->mlxd_controller->mlx_state & MLX_STATE_SHUTDOWN)
87 return(ENXIO);
88
89 sc->mlxd_flags |= MLXD_OPEN;
90 return (0);
91}
92
93static int
94mlxd_close(struct disk *dp)
95{
96 struct mlxd_softc *sc = (struct mlxd_softc *)dp->d_drv1;
97
98 debug_called(1);
99
100 if (sc == NULL)
101 return (ENXIO);
102 sc->mlxd_flags &= ~MLXD_OPEN;
103 return (0);
104}
105
106static int
107mlxd_ioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td)
108{
109 struct mlxd_softc *sc = (struct mlxd_softc *)dp->d_drv1;
110 int error;
111
112 debug_called(1);
113
114 if (sc == NULL)
115 return (ENXIO);
116
117 if ((error = mlx_submit_ioctl(sc->mlxd_controller, sc->mlxd_drive, cmd, addr, flag, td)) != ENOIOCTL) {
118 debug(0, "mlx_submit_ioctl returned %d\n", error);
119 return(error);
120 }
121 return (ENOTTY);
122}
123
124/*
125 * Read/write routine for a buffer. Finds the proper unit, range checks
126 * arguments, and schedules the transfer. Does not wait for the transfer
127 * to complete. Multi-page transfers are supported. All I/O requests must
128 * be a multiple of a sector in length.
129 */
130static void
131mlxd_strategy(mlx_bio *bp)
132{
133 struct mlxd_softc *sc = (struct mlxd_softc *)MLX_BIO_SOFTC(bp);
134
135 debug_called(1);
136
137 /* bogus disk? */
138 if (sc == NULL) {
139 MLX_BIO_SET_ERROR(bp, EINVAL);
140 goto bad;
141 }
142
143 /* XXX may only be temporarily offline - sleep? */
144 if (sc->mlxd_drive->ms_state == MLX_SYSD_OFFLINE) {
145 MLX_BIO_SET_ERROR(bp, ENXIO);
146 goto bad;
147 }
148
149 MLX_BIO_STATS_START(bp);
150 mlx_submit_buf(sc->mlxd_controller, bp);
151 return;
152
153 bad:
154 /*
155 * Correctly set the bio to indicate a failed tranfer.
156 */
157 MLX_BIO_RESID(bp) = MLX_BIO_LENGTH(bp);
158 MLX_BIO_DONE(bp);
159 return;
160}
161
162void
163mlxd_intr(void *data)
164{
165 mlx_bio *bp = (mlx_bio *)data;
166
167 debug_called(1);
168
169 if (MLX_BIO_HAS_ERROR(bp))
170 MLX_BIO_SET_ERROR(bp, EIO);
171 else
172 MLX_BIO_RESID(bp) = 0;
173
174 MLX_BIO_STATS_END(bp);
175 MLX_BIO_DONE(bp);
176}
177
178static int
179mlxd_probe(device_t dev)
180{
181
182 debug_called(1);
183
184 device_set_desc(dev, "Mylex System Drive");
185 return (0);
186}
187
188static int
189mlxd_attach(device_t dev)
190{
191 struct mlxd_softc *sc = (struct mlxd_softc *)device_get_softc(dev);
192 device_t parent;
193 char *state;
194 int s1, s2;
195
196 debug_called(1);
197
198 parent = device_get_parent(dev);
199 sc->mlxd_controller = (struct mlx_softc *)device_get_softc(parent);
200 sc->mlxd_unit = device_get_unit(dev);
201 sc->mlxd_drive = device_get_ivars(dev);
202 sc->mlxd_dev = dev;
203
204 switch(sc->mlxd_drive->ms_state) {
205 case MLX_SYSD_ONLINE:
206 state = "online";
207 break;
208 case MLX_SYSD_CRITICAL:
209 state = "critical";
210 break;
211 case MLX_SYSD_OFFLINE:
212 state = "offline";
213 break;
214 default:
215 state = "unknown state";
216 }
217
218 device_printf(dev, "%uMB (%u sectors) RAID %d (%s)\n",
219 sc->mlxd_drive->ms_size / ((1024 * 1024) / MLX_BLKSIZE),
220 sc->mlxd_drive->ms_size, sc->mlxd_drive->ms_raidlevel, state);
221
|
222 sc->mlxd_disk.d_open = mlxd_open;
223 sc->mlxd_disk.d_close = mlxd_close;
224 sc->mlxd_disk.d_ioctl = mlxd_ioctl;
225 sc->mlxd_disk.d_strategy = mlxd_strategy;
226 sc->mlxd_disk.d_name = "mlxd";
227 sc->mlxd_disk.d_drv1 = sc;
228 sc->mlxd_disk.d_sectorsize = MLX_BLKSIZE;
229 sc->mlxd_disk.d_mediasize = MLX_BLKSIZE * (off_t)sc->mlxd_drive->ms_size;
230 sc->mlxd_disk.d_fwsectors = sc->mlxd_drive->ms_sectors;
231 sc->mlxd_disk.d_fwheads = sc->mlxd_drive->ms_heads;
| 222 sc->mlxd_disk = disk_alloc();
223 sc->mlxd_disk->d_open = mlxd_open;
224 sc->mlxd_disk->d_close = mlxd_close;
225 sc->mlxd_disk->d_ioctl = mlxd_ioctl;
226 sc->mlxd_disk->d_strategy = mlxd_strategy;
227 sc->mlxd_disk->d_name = "mlxd";
228 sc->mlxd_disk->d_unit = sc->mlxd_unit;
229 sc->mlxd_disk->d_drv1 = sc;
230 sc->mlxd_disk->d_sectorsize = MLX_BLKSIZE;
231 sc->mlxd_disk->d_mediasize = MLX_BLKSIZE * (off_t)sc->mlxd_drive->ms_size;
232 sc->mlxd_disk->d_fwsectors = sc->mlxd_drive->ms_sectors;
233 sc->mlxd_disk->d_fwheads = sc->mlxd_drive->ms_heads;
234 sc->mlxd_disk->d_flags = DISKFLAG_NEEDSGIANT;
|
232
233 /*
234 * Set maximum I/O size to the lesser of the recommended maximum and the practical
235 * maximum except on v2 cards where the maximum is set to 8 pages.
236 */
237 if (sc->mlxd_controller->mlx_iftype == MLX_IFTYPE_2)
| 235
236 /*
237 * Set maximum I/O size to the lesser of the recommended maximum and the practical
238 * maximum except on v2 cards where the maximum is set to 8 pages.
239 */
240 if (sc->mlxd_controller->mlx_iftype == MLX_IFTYPE_2)
|
238 sc->mlxd_disk.d_maxsize = 8 * PAGE_SIZE;
| 241 sc->mlxd_disk->d_maxsize = 8 * PAGE_SIZE;
|
239 else {
240 s1 = sc->mlxd_controller->mlx_enq2->me_maxblk * MLX_BLKSIZE;
241 s2 = (sc->mlxd_controller->mlx_enq2->me_max_sg - 1) * PAGE_SIZE;
| 242 else {
243 s1 = sc->mlxd_controller->mlx_enq2->me_maxblk * MLX_BLKSIZE;
244 s2 = (sc->mlxd_controller->mlx_enq2->me_max_sg - 1) * PAGE_SIZE;
|
242 sc->mlxd_disk.d_maxsize = imin(s1, s2);
| 245 sc->mlxd_disk->d_maxsize = imin(s1, s2);
|
243 }
244
| 246 }
247
|
245 disk_create(sc->mlxd_unit, &sc->mlxd_disk, 0, NULL, NULL);
| 248 disk_create(sc->mlxd_disk, DISK_VERSION);
|
246
247 return (0);
248}
249
250static int
251mlxd_detach(device_t dev)
252{
253 struct mlxd_softc *sc = (struct mlxd_softc *)device_get_softc(dev);
254
255 debug_called(1);
256
| 249
250 return (0);
251}
252
253static int
254mlxd_detach(device_t dev)
255{
256 struct mlxd_softc *sc = (struct mlxd_softc *)device_get_softc(dev);
257
258 debug_called(1);
259
|
257 disk_destroy(&sc->mlxd_disk);
| 260 disk_destroy(sc->mlxd_disk);
|
258
259 return(0);
260}
261
| 261
262 return(0);
263}
264
|