2 * Copyright (c) 2006 IronPort Systems
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/selinfo.h>
36 #include <sys/module.h>
37 #include <sys/malloc.h>
38 #include <sys/sysctl.h>
45 #include <geom/geom_disk.h>
50 #include <machine/md_var.h>
51 #include <machine/bus.h>
54 #include <dev/mfi/mfireg.h>
55 #include <dev/mfi/mfi_ioctl.h>
56 #include <dev/mfi/mfivar.h>
58 static int mfi_disk_probe(device_t dev);
59 static int mfi_disk_attach(device_t dev);
60 static int mfi_disk_detach(device_t dev);
62 static disk_open_t mfi_disk_open;
63 static disk_close_t mfi_disk_close;
64 static disk_strategy_t mfi_disk_strategy;
65 static dumper_t mfi_disk_dump;
67 static devclass_t mfi_disk_devclass;
69 static device_method_t mfi_disk_methods[] = {
70 DEVMETHOD(device_probe, mfi_disk_probe),
71 DEVMETHOD(device_attach, mfi_disk_attach),
72 DEVMETHOD(device_detach, mfi_disk_detach),
76 static driver_t mfi_disk_driver = {
79 sizeof(struct mfi_disk)
82 DRIVER_MODULE(mfid, mfi, mfi_disk_driver, mfi_disk_devclass, 0, 0);
85 mfi_disk_probe(device_t dev)
92 mfi_disk_attach(device_t dev)
95 struct mfi_ld_info *ld_info;
96 struct mfi_disk_pending *ld_pend;
101 sc = device_get_softc(dev);
102 ld_info = device_get_ivars(dev);
105 sc->ld_id = ld_info->ld_config.properties.ld.v.target_id;
106 sc->ld_unit = device_get_unit(dev);
107 sc->ld_info = ld_info;
108 sc->ld_controller = device_get_softc(device_get_parent(dev));
111 sectors = ld_info->size;
112 secsize = MFI_SECTOR_LEN;
113 mtx_lock(&sc->ld_controller->mfi_io_lock);
114 TAILQ_INSERT_TAIL(&sc->ld_controller->mfi_ld_tqh, sc, ld_link);
115 TAILQ_FOREACH(ld_pend, &sc->ld_controller->mfi_ld_pend_tqh,
117 TAILQ_REMOVE(&sc->ld_controller->mfi_ld_pend_tqh,
119 free(ld_pend, M_MFIBUF);
122 mtx_unlock(&sc->ld_controller->mfi_io_lock);
124 switch (ld_info->ld_config.params.state) {
125 case MFI_LD_STATE_OFFLINE:
128 case MFI_LD_STATE_PARTIALLY_DEGRADED:
129 state = "partially degraded";
131 case MFI_LD_STATE_DEGRADED:
134 case MFI_LD_STATE_OPTIMAL:
142 if ( strlen(ld_info->ld_config.properties.name) == 0 ) {
144 "%juMB (%ju sectors) RAID volume (no label) is %s\n",
145 sectors / (1024 * 1024 / secsize), sectors, state);
148 "%juMB (%ju sectors) RAID volume '%s' is %s\n",
149 sectors / (1024 * 1024 / secsize), sectors,
150 ld_info->ld_config.properties.name, state);
153 sc->ld_disk = disk_alloc();
154 sc->ld_disk->d_drv1 = sc;
155 sc->ld_disk->d_maxsize = min(sc->ld_controller->mfi_max_io * secsize,
156 (sc->ld_controller->mfi_max_sge - 1) * PAGE_SIZE);
157 sc->ld_disk->d_name = "mfid";
158 sc->ld_disk->d_open = mfi_disk_open;
159 sc->ld_disk->d_close = mfi_disk_close;
160 sc->ld_disk->d_strategy = mfi_disk_strategy;
161 sc->ld_disk->d_dump = mfi_disk_dump;
162 sc->ld_disk->d_unit = sc->ld_unit;
163 sc->ld_disk->d_sectorsize = secsize;
164 sc->ld_disk->d_mediasize = sectors * secsize;
165 if (sc->ld_disk->d_mediasize >= (1 * 1024 * 1024)) {
166 sc->ld_disk->d_fwheads = 255;
167 sc->ld_disk->d_fwsectors = 63;
169 sc->ld_disk->d_fwheads = 64;
170 sc->ld_disk->d_fwsectors = 32;
172 disk_create(sc->ld_disk, DISK_VERSION);
178 mfi_disk_detach(device_t dev)
182 sc = device_get_softc(dev);
184 mtx_lock(&sc->ld_controller->mfi_io_lock);
185 if (((sc->ld_disk->d_flags & DISKFLAG_OPEN) ||
186 (sc->ld_flags & MFI_DISK_FLAGS_OPEN)) &&
187 (sc->ld_controller->mfi_keep_deleted_volumes ||
188 sc->ld_controller->mfi_detaching)) {
189 mtx_unlock(&sc->ld_controller->mfi_io_lock);
192 mtx_unlock(&sc->ld_controller->mfi_io_lock);
194 disk_destroy(sc->ld_disk);
195 mtx_lock(&sc->ld_controller->mfi_io_lock);
196 TAILQ_REMOVE(&sc->ld_controller->mfi_ld_tqh, sc, ld_link);
197 mtx_unlock(&sc->ld_controller->mfi_io_lock);
198 free(sc->ld_info, M_MFIBUF);
203 mfi_disk_open(struct disk *dp)
209 mtx_lock(&sc->ld_controller->mfi_io_lock);
210 if (sc->ld_flags & MFI_DISK_FLAGS_DISABLED)
213 sc->ld_flags |= MFI_DISK_FLAGS_OPEN;
216 mtx_unlock(&sc->ld_controller->mfi_io_lock);
222 mfi_disk_close(struct disk *dp)
227 mtx_lock(&sc->ld_controller->mfi_io_lock);
228 sc->ld_flags &= ~MFI_DISK_FLAGS_OPEN;
229 mtx_unlock(&sc->ld_controller->mfi_io_lock);
235 mfi_disk_disable(struct mfi_disk *sc)
238 mtx_assert(&sc->ld_controller->mfi_io_lock, MA_OWNED);
239 if (sc->ld_flags & MFI_DISK_FLAGS_OPEN) {
240 if (sc->ld_controller->mfi_delete_busy_volumes)
242 device_printf(sc->ld_dev, "Unable to delete busy ld device\n");
245 sc->ld_flags |= MFI_DISK_FLAGS_DISABLED;
250 mfi_disk_enable(struct mfi_disk *sc)
253 mtx_assert(&sc->ld_controller->mfi_io_lock, MA_OWNED);
254 sc->ld_flags &= ~MFI_DISK_FLAGS_DISABLED;
258 mfi_disk_strategy(struct bio *bio)
261 struct mfi_softc *controller;
263 sc = bio->bio_disk->d_drv1;
266 bio->bio_error = EINVAL;
267 bio->bio_flags |= BIO_ERROR;
268 bio->bio_resid = bio->bio_bcount;
273 controller = sc->ld_controller;
274 if (controller->adpreset) {
275 bio->bio_error = EBUSY;
279 if (controller->hw_crit_error) {
280 bio->bio_error = EBUSY;
284 if (controller->issuepend_done == 0) {
285 bio->bio_error = EBUSY;
289 bio->bio_driver1 = (void *)(uintptr_t)sc->ld_id;
290 /* Mark it as LD IO */
291 bio->bio_driver2 = (void *)MFI_LD_IO;
292 mtx_lock(&controller->mfi_io_lock);
293 mfi_enqueue_bio(controller, bio);
294 mfi_startio(controller);
295 mtx_unlock(&controller->mfi_io_lock);
300 mfi_disk_complete(struct bio *bio)
303 struct mfi_frame_header *hdr;
305 sc = bio->bio_disk->d_drv1;
306 hdr = bio->bio_driver1;
308 if (bio->bio_flags & BIO_ERROR) {
309 bio->bio_resid = bio->bio_bcount;
310 if (bio->bio_error == 0)
311 bio->bio_error = EIO;
312 disk_err(bio, "hard error", -1, 1);
320 mfi_disk_dump(void *arg, void *virt, vm_offset_t phys, off_t offset, size_t len)
323 struct mfi_softc *parent_sc;
329 parent_sc = sc->ld_controller;
332 if ((error = mfi_dump_blocks(parent_sc, sc->ld_id, offset /
333 MFI_SECTOR_LEN, virt, len)) != 0)
336 /* mfi_sync_cache(parent_sc, sc->ld_id); */