1139749Simp/*- 2123579Sgibbs * FreeBSD OSM Library for the aic7xxx aic79xx based Adaptec SCSI controllers 3123579Sgibbs * 4123579Sgibbs * Copyright (c) 1994-2002 Justin T. Gibbs. 5123579Sgibbs * Copyright (c) 2001-2003 Adaptec Inc. 6123579Sgibbs * All rights reserved. 7123579Sgibbs * 8123579Sgibbs * Redistribution and use in source and binary forms, with or without 9123579Sgibbs * modification, are permitted provided that the following conditions 10123579Sgibbs * are met: 11123579Sgibbs * 1. Redistributions of source code must retain the above copyright 12123579Sgibbs * notice, this list of conditions, and the following disclaimer, 13123579Sgibbs * without modification. 14123579Sgibbs * 2. The name of the author may not be used to endorse or promote products 15123579Sgibbs * derived from this software without specific prior written permission. 16123579Sgibbs * 17123579Sgibbs * Alternatively, this software may be distributed under the terms of the 18123579Sgibbs * GNU Public License ("GPL"). 19123579Sgibbs * 20123579Sgibbs * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21123579Sgibbs * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22123579Sgibbs * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23123579Sgibbs * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 24123579Sgibbs * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25123579Sgibbs * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26123579Sgibbs * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27123579Sgibbs * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28123579Sgibbs * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29123579Sgibbs * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30123579Sgibbs * SUCH DAMAGE. 31123579Sgibbs * 32123679Sgibbs * $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/aic_osm_lib.c#5 $ 33123579Sgibbs */ 34123579Sgibbs 35123579Sgibbs#include <sys/cdefs.h> 36123579Sgibbs__FBSDID("$FreeBSD$"); 37123579Sgibbs 38123579Sgibbsstatic void aic_recovery_thread(void *arg); 39123579Sgibbs 40123579Sgibbsvoid 41123579Sgibbsaic_set_recoveryscb(struct aic_softc *aic, struct scb *scb) 42123579Sgibbs{ 43123579Sgibbs 44123579Sgibbs if ((scb->flags & SCB_RECOVERY_SCB) == 0) { 45123579Sgibbs struct scb *list_scb; 46123579Sgibbs 47123579Sgibbs scb->flags |= SCB_RECOVERY_SCB; 48123579Sgibbs 49133911Sgibbs AIC_SCB_DATA(aic)->recovery_scbs++; 50123579Sgibbs 51123579Sgibbs /* 52123579Sgibbs * Go through all of our pending SCBs and remove 53123579Sgibbs * any scheduled timeouts for them. We will reschedule 54123579Sgibbs * them after we've successfully fixed this problem. 55123579Sgibbs */ 56123579Sgibbs LIST_FOREACH(list_scb, &aic->pending_scbs, pending_links) { 57123579Sgibbs union ccb *ccb; 58123579Sgibbs 59123579Sgibbs ccb = list_scb->io_ctx; 60168807Sscottl callout_stop(&scb->io_timer); 61123579Sgibbs } 62123579Sgibbs } 63123579Sgibbs} 64123579Sgibbs 65123579Sgibbsvoid 66123579Sgibbsaic_platform_timeout(void *arg) 67123579Sgibbs{ 68123579Sgibbs struct scb *scb; 69123579Sgibbs 70123579Sgibbs scb = (struct scb *)arg; 71168807Sscottl aic_lock(scb->aic_softc); 72123579Sgibbs aic_timeout(scb); 73168807Sscottl aic_unlock(scb->aic_softc); 74123579Sgibbs} 75123579Sgibbs 76123579Sgibbsint 77123579Sgibbsaic_spawn_recovery_thread(struct aic_softc *aic) 78123579Sgibbs{ 79123579Sgibbs int error; 80123579Sgibbs 81123579Sgibbs error = aic_kthread_create(aic_recovery_thread, aic, 82123579Sgibbs &aic->platform_data->recovery_thread, 83123579Sgibbs /*flags*/0, /*altstack*/0, "aic_recovery%d", 84123579Sgibbs aic->unit); 85123579Sgibbs return (error); 86123579Sgibbs} 87123579Sgibbs 88123579Sgibbs/* 89123579Sgibbs * Lock is not held on entry. 90123579Sgibbs */ 91123579Sgibbsvoid 92123579Sgibbsaic_terminate_recovery_thread(struct aic_softc *aic) 93123579Sgibbs{ 94123579Sgibbs 95123579Sgibbs if (aic->platform_data->recovery_thread == NULL) { 96123579Sgibbs return; 97123579Sgibbs } 98123579Sgibbs aic->flags |= AIC_SHUTDOWN_RECOVERY; 99123579Sgibbs wakeup(aic); 100123579Sgibbs /* 101123579Sgibbs * Sleep on a slightly different location 102123579Sgibbs * for this interlock just for added safety. 103123579Sgibbs */ 104168807Sscottl msleep(aic->platform_data, &aic->platform_data->mtx, PUSER, "thtrm", 0); 105123579Sgibbs} 106123579Sgibbs 107123579Sgibbsstatic void 108123579Sgibbsaic_recovery_thread(void *arg) 109123579Sgibbs{ 110123579Sgibbs struct aic_softc *aic; 111123579Sgibbs 112123579Sgibbs aic = (struct aic_softc *)arg; 113168807Sscottl aic_lock(aic); 114123679Sgibbs for (;;) { 115123579Sgibbs 116123679Sgibbs if (LIST_EMPTY(&aic->timedout_scbs) != 0 117123679Sgibbs && (aic->flags & AIC_SHUTDOWN_RECOVERY) == 0) 118168807Sscottl msleep(aic, &aic->platform_data->mtx, PUSER, "idle", 0); 119123679Sgibbs 120123679Sgibbs if ((aic->flags & AIC_SHUTDOWN_RECOVERY) != 0) 121123679Sgibbs break; 122123679Sgibbs 123123579Sgibbs aic_recover_commands(aic); 124123579Sgibbs } 125123679Sgibbs aic->platform_data->recovery_thread = NULL; 126123579Sgibbs wakeup(aic->platform_data); 127168807Sscottl aic_unlock(aic); 128172836Sjulian kproc_exit(0); 129123579Sgibbs} 130123679Sgibbs 131123679Sgibbsvoid 132123679Sgibbsaic_calc_geometry(struct ccb_calc_geometry *ccg, int extended) 133123679Sgibbs{ 134123679Sgibbs#if __FreeBSD_version >= 500000 135123679Sgibbs cam_calc_geometry(ccg, extended); 136123679Sgibbs#else 137123679Sgibbs uint32_t size_mb; 138123679Sgibbs uint32_t secs_per_cylinder; 139123679Sgibbs 140123679Sgibbs size_mb = ccg->volume_size / ((1024L * 1024L) / ccg->block_size); 141123679Sgibbs if (size_mb > 1024 && extended) { 142123679Sgibbs ccg->heads = 255; 143123679Sgibbs ccg->secs_per_track = 63; 144123679Sgibbs } else { 145123679Sgibbs ccg->heads = 64; 146123679Sgibbs ccg->secs_per_track = 32; 147123679Sgibbs } 148123679Sgibbs secs_per_cylinder = ccg->heads * ccg->secs_per_track; 149123679Sgibbs ccg->cylinders = ccg->volume_size / secs_per_cylinder; 150123679Sgibbs ccg->ccb_h.status = CAM_REQ_CMP; 151123679Sgibbs#endif 152123679Sgibbs} 153123679Sgibbs 154