2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2006 IronPort Systems
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
34 #include <sys/param.h>
39 #include <sys/kernel.h>
41 #include <sys/malloc.h>
42 #include <sys/module.h>
43 #include <sys/mutex.h>
44 #include <sys/selinfo.h>
45 #include <sys/sysctl.h>
46 #include <sys/systm.h>
49 #include <geom/geom_disk.h>
54 #include <machine/md_var.h>
55 #include <machine/bus.h>
58 #include <dev/mfi/mfireg.h>
59 #include <dev/mfi/mfi_ioctl.h>
60 #include <dev/mfi/mfivar.h>
62 static int mfi_disk_probe(device_t dev);
63 static int mfi_disk_attach(device_t dev);
64 static int mfi_disk_detach(device_t dev);
66 static disk_open_t mfi_disk_open;
67 static disk_close_t mfi_disk_close;
68 static disk_strategy_t mfi_disk_strategy;
69 static dumper_t mfi_disk_dump;
71 static devclass_t mfi_disk_devclass;
73 static device_method_t mfi_disk_methods[] = {
74 DEVMETHOD(device_probe, mfi_disk_probe),
75 DEVMETHOD(device_attach, mfi_disk_attach),
76 DEVMETHOD(device_detach, mfi_disk_detach),
80 static driver_t mfi_disk_driver = {
83 sizeof(struct mfi_disk)
86 DRIVER_MODULE(mfid, mfi, mfi_disk_driver, mfi_disk_devclass, 0, 0);
89 mfi_disk_probe(device_t dev)
96 mfi_disk_attach(device_t dev)
99 struct mfi_ld_info *ld_info;
100 struct mfi_disk_pending *ld_pend;
105 sc = device_get_softc(dev);
106 ld_info = device_get_ivars(dev);
109 sc->ld_id = ld_info->ld_config.properties.ld.v.target_id;
110 sc->ld_unit = device_get_unit(dev);
111 sc->ld_info = ld_info;
112 sc->ld_controller = device_get_softc(device_get_parent(dev));
115 sectors = ld_info->size;
116 secsize = MFI_SECTOR_LEN;
117 mtx_lock(&sc->ld_controller->mfi_io_lock);
118 TAILQ_INSERT_TAIL(&sc->ld_controller->mfi_ld_tqh, sc, ld_link);
119 TAILQ_FOREACH(ld_pend, &sc->ld_controller->mfi_ld_pend_tqh,
121 TAILQ_REMOVE(&sc->ld_controller->mfi_ld_pend_tqh,
123 free(ld_pend, M_MFIBUF);
126 mtx_unlock(&sc->ld_controller->mfi_io_lock);
128 switch (ld_info->ld_config.params.state) {
129 case MFI_LD_STATE_OFFLINE:
132 case MFI_LD_STATE_PARTIALLY_DEGRADED:
133 state = "partially degraded";
135 case MFI_LD_STATE_DEGRADED:
138 case MFI_LD_STATE_OPTIMAL:
146 if ( strlen(ld_info->ld_config.properties.name) == 0 ) {
148 "%juMB (%ju sectors) RAID volume (no label) is %s\n",
149 sectors / (1024 * 1024 / secsize), sectors, state);
152 "%juMB (%ju sectors) RAID volume '%s' is %s\n",
153 sectors / (1024 * 1024 / secsize), sectors,
154 ld_info->ld_config.properties.name, state);
157 sc->ld_disk = disk_alloc();
158 sc->ld_disk->d_drv1 = sc;
159 sc->ld_disk->d_maxsize = min(sc->ld_controller->mfi_max_io * secsize,
160 (sc->ld_controller->mfi_max_sge - 1) * PAGE_SIZE);
161 sc->ld_disk->d_name = "mfid";
162 sc->ld_disk->d_open = mfi_disk_open;
163 sc->ld_disk->d_close = mfi_disk_close;
164 sc->ld_disk->d_strategy = mfi_disk_strategy;
165 sc->ld_disk->d_dump = mfi_disk_dump;
166 sc->ld_disk->d_unit = sc->ld_unit;
167 sc->ld_disk->d_sectorsize = secsize;
168 sc->ld_disk->d_mediasize = sectors * secsize;
169 if (sc->ld_disk->d_mediasize >= (1 * 1024 * 1024)) {
170 sc->ld_disk->d_fwheads = 255;
171 sc->ld_disk->d_fwsectors = 63;
173 sc->ld_disk->d_fwheads = 64;
174 sc->ld_disk->d_fwsectors = 32;
176 sc->ld_disk->d_flags = DISKFLAG_UNMAPPED_BIO;
177 disk_create(sc->ld_disk, DISK_VERSION);
183 mfi_disk_detach(device_t dev)
187 sc = device_get_softc(dev);
189 mtx_lock(&sc->ld_controller->mfi_io_lock);
190 if (((sc->ld_disk->d_flags & DISKFLAG_OPEN) ||
191 (sc->ld_flags & MFI_DISK_FLAGS_OPEN)) &&
192 (sc->ld_controller->mfi_keep_deleted_volumes ||
193 sc->ld_controller->mfi_detaching)) {
194 mtx_unlock(&sc->ld_controller->mfi_io_lock);
197 mtx_unlock(&sc->ld_controller->mfi_io_lock);
199 disk_destroy(sc->ld_disk);
200 mtx_lock(&sc->ld_controller->mfi_io_lock);
201 TAILQ_REMOVE(&sc->ld_controller->mfi_ld_tqh, sc, ld_link);
202 mtx_unlock(&sc->ld_controller->mfi_io_lock);
203 free(sc->ld_info, M_MFIBUF);
208 mfi_disk_open(struct disk *dp)
214 mtx_lock(&sc->ld_controller->mfi_io_lock);
215 if (sc->ld_flags & MFI_DISK_FLAGS_DISABLED)
218 sc->ld_flags |= MFI_DISK_FLAGS_OPEN;
221 mtx_unlock(&sc->ld_controller->mfi_io_lock);
227 mfi_disk_close(struct disk *dp)
232 mtx_lock(&sc->ld_controller->mfi_io_lock);
233 sc->ld_flags &= ~MFI_DISK_FLAGS_OPEN;
234 mtx_unlock(&sc->ld_controller->mfi_io_lock);
240 mfi_disk_disable(struct mfi_disk *sc)
243 mtx_assert(&sc->ld_controller->mfi_io_lock, MA_OWNED);
244 if (sc->ld_flags & MFI_DISK_FLAGS_OPEN) {
245 if (sc->ld_controller->mfi_delete_busy_volumes)
247 device_printf(sc->ld_dev, "Unable to delete busy ld device\n");
250 sc->ld_flags |= MFI_DISK_FLAGS_DISABLED;
255 mfi_disk_enable(struct mfi_disk *sc)
258 mtx_assert(&sc->ld_controller->mfi_io_lock, MA_OWNED);
259 sc->ld_flags &= ~MFI_DISK_FLAGS_DISABLED;
263 mfi_disk_strategy(struct bio *bio)
266 struct mfi_softc *controller;
268 sc = bio->bio_disk->d_drv1;
271 bio->bio_error = EINVAL;
272 bio->bio_flags |= BIO_ERROR;
273 bio->bio_resid = bio->bio_bcount;
278 controller = sc->ld_controller;
279 if (controller->adpreset) {
280 bio->bio_error = EBUSY;
284 if (controller->hw_crit_error) {
285 bio->bio_error = EBUSY;
289 if (controller->issuepend_done == 0) {
290 bio->bio_error = EBUSY;
294 bio->bio_driver1 = (void *)(uintptr_t)sc->ld_id;
295 /* Mark it as LD IO */
296 bio->bio_driver2 = (void *)MFI_LD_IO;
297 mtx_lock(&controller->mfi_io_lock);
298 mfi_enqueue_bio(controller, bio);
299 mfi_startio(controller);
300 mtx_unlock(&controller->mfi_io_lock);
305 mfi_disk_complete(struct bio *bio)
308 struct mfi_frame_header *hdr;
310 sc = bio->bio_disk->d_drv1;
311 hdr = bio->bio_driver1;
313 if (bio->bio_flags & BIO_ERROR) {
314 bio->bio_resid = bio->bio_bcount;
315 if (bio->bio_error == 0)
316 bio->bio_error = EIO;
317 disk_err(bio, "hard error", -1, 1);
325 mfi_disk_dump(void *arg, void *virt, vm_offset_t phys, off_t offset, size_t len)
328 struct mfi_softc *parent_sc;
334 parent_sc = sc->ld_controller;
337 if ((error = mfi_dump_blocks(parent_sc, sc->ld_id, offset /
338 MFI_SECTOR_LEN, virt, len)) != 0)
341 /* mfi_sync_cache(parent_sc, sc->ld_id); */