2 * FreeBSD OSM Library for the aic7xxx aic79xx based Adaptec SCSI controllers
4 * Copyright (c) 1994-2002 Justin T. Gibbs.
5 * Copyright (c) 2001-2003 Adaptec Inc.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions, and the following disclaimer,
13 * without modification.
14 * 2. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * Alternatively, this software may be distributed under the terms of the
18 * GNU Public License ("GPL").
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/aic_osm_lib.c#5 $
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
38 static void aic_recovery_thread(void *arg);
41 aic_set_recoveryscb(struct aic_softc *aic, struct scb *scb)
44 if ((scb->flags & SCB_RECOVERY_SCB) == 0) {
47 scb->flags |= SCB_RECOVERY_SCB;
49 AIC_SCB_DATA(aic)->recovery_scbs++;
52 * Go through all of our pending SCBs and remove
53 * any scheduled timeouts for them. We will reschedule
54 * them after we've successfully fixed this problem.
56 LIST_FOREACH(list_scb, &aic->pending_scbs, pending_links) {
59 ccb = list_scb->io_ctx;
60 callout_stop(&scb->io_timer);
66 aic_platform_timeout(void *arg)
70 scb = (struct scb *)arg;
71 aic_lock(scb->aic_softc);
73 aic_unlock(scb->aic_softc);
77 aic_spawn_recovery_thread(struct aic_softc *aic)
81 error = aic_kthread_create(aic_recovery_thread, aic,
82 &aic->platform_data->recovery_thread,
83 /*flags*/0, /*altstack*/0, "aic_recovery%d",
89 * Lock is not held on entry.
92 aic_terminate_recovery_thread(struct aic_softc *aic)
95 if (aic->platform_data->recovery_thread == NULL) {
98 aic->flags |= AIC_SHUTDOWN_RECOVERY;
101 * Sleep on a slightly different location
102 * for this interlock just for added safety.
104 msleep(aic->platform_data, &aic->platform_data->mtx, PUSER, "thtrm", 0);
108 aic_recovery_thread(void *arg)
110 struct aic_softc *aic;
112 aic = (struct aic_softc *)arg;
116 if (LIST_EMPTY(&aic->timedout_scbs) != 0
117 && (aic->flags & AIC_SHUTDOWN_RECOVERY) == 0)
118 msleep(aic, &aic->platform_data->mtx, PUSER, "idle", 0);
120 if ((aic->flags & AIC_SHUTDOWN_RECOVERY) != 0)
123 aic_recover_commands(aic);
125 aic->platform_data->recovery_thread = NULL;
126 wakeup(aic->platform_data);
132 aic_calc_geometry(struct ccb_calc_geometry *ccg, int extended)
134 #if __FreeBSD_version >= 500000
135 cam_calc_geometry(ccg, extended);
138 uint32_t secs_per_cylinder;
140 size_mb = ccg->volume_size / ((1024L * 1024L) / ccg->block_size);
141 if (size_mb > 1024 && extended) {
143 ccg->secs_per_track = 63;
146 ccg->secs_per_track = 32;
148 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
149 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
150 ccg->ccb_h.status = CAM_REQ_CMP;