1b3b25f2cSJustin T. Gibbs /* 2b3b25f2cSJustin T. Gibbs * FreeBSD OSM Library for the aic7xxx aic79xx based Adaptec SCSI controllers 3b3b25f2cSJustin T. Gibbs * 4b3b25f2cSJustin T. Gibbs * Copyright (c) 1994-2002 Justin T. Gibbs. 5b3b25f2cSJustin T. Gibbs * Copyright (c) 2001-2003 Adaptec Inc. 6b3b25f2cSJustin T. Gibbs * All rights reserved. 7b3b25f2cSJustin T. Gibbs * 8b3b25f2cSJustin T. Gibbs * Redistribution and use in source and binary forms, with or without 9b3b25f2cSJustin T. Gibbs * modification, are permitted provided that the following conditions 10b3b25f2cSJustin T. Gibbs * are met: 11b3b25f2cSJustin T. Gibbs * 1. Redistributions of source code must retain the above copyright 12b3b25f2cSJustin T. Gibbs * notice, this list of conditions, and the following disclaimer, 13b3b25f2cSJustin T. Gibbs * without modification. 14b3b25f2cSJustin T. Gibbs * 2. The name of the author may not be used to endorse or promote products 15b3b25f2cSJustin T. Gibbs * derived from this software without specific prior written permission. 16b3b25f2cSJustin T. Gibbs * 17b3b25f2cSJustin T. Gibbs * Alternatively, this software may be distributed under the terms of the 18b3b25f2cSJustin T. Gibbs * GNU Public License ("GPL"). 19b3b25f2cSJustin T. Gibbs * 20b3b25f2cSJustin T. Gibbs * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21b3b25f2cSJustin T. Gibbs * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22b3b25f2cSJustin T. Gibbs * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23b3b25f2cSJustin T. Gibbs * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 24b3b25f2cSJustin T. Gibbs * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25b3b25f2cSJustin T. Gibbs * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26b3b25f2cSJustin T. Gibbs * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27b3b25f2cSJustin T. Gibbs * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28b3b25f2cSJustin T. Gibbs * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29b3b25f2cSJustin T. Gibbs * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30b3b25f2cSJustin T. Gibbs * SUCH DAMAGE. 31b3b25f2cSJustin T. Gibbs * 32670c5599SJustin T. Gibbs * $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/aic_osm_lib.c#5 $ 33b3b25f2cSJustin T. Gibbs */ 34b3b25f2cSJustin T. Gibbs 35b3b25f2cSJustin T. Gibbs #include <sys/cdefs.h> 36b3b25f2cSJustin T. Gibbs __FBSDID("$FreeBSD$"); 37b3b25f2cSJustin T. Gibbs 38b3b25f2cSJustin T. Gibbs static void aic_recovery_thread(void *arg); 39b3b25f2cSJustin T. Gibbs 40b3b25f2cSJustin T. Gibbs void 41b3b25f2cSJustin T. Gibbs aic_set_recoveryscb(struct aic_softc *aic, struct scb *scb) 42b3b25f2cSJustin T. Gibbs { 43b3b25f2cSJustin T. Gibbs 44b3b25f2cSJustin T. Gibbs if ((scb->flags & SCB_RECOVERY_SCB) == 0) { 45b3b25f2cSJustin T. Gibbs struct scb *list_scb; 46b3b25f2cSJustin T. Gibbs 47b3b25f2cSJustin T. Gibbs scb->flags |= SCB_RECOVERY_SCB; 48b3b25f2cSJustin T. Gibbs 49b3b25f2cSJustin T. Gibbs /* 50b3b25f2cSJustin T. Gibbs * Take all queued, but not sent SCBs out of the equation. 51b3b25f2cSJustin T. Gibbs * Also ensure that no new CCBs are queued to us while we 52b3b25f2cSJustin T. Gibbs * try to fix this problem. 53b3b25f2cSJustin T. Gibbs */ 54b3b25f2cSJustin T. Gibbs if ((scb->io_ctx->ccb_h.status & CAM_RELEASE_SIMQ) == 0) { 55b3b25f2cSJustin T. Gibbs xpt_freeze_simq(SCB_GET_SIM(aic, scb), /*count*/1); 56b3b25f2cSJustin T. Gibbs scb->io_ctx->ccb_h.status |= CAM_RELEASE_SIMQ; 57b3b25f2cSJustin T. Gibbs } 58b3b25f2cSJustin T. Gibbs 59b3b25f2cSJustin T. Gibbs /* 60b3b25f2cSJustin T. Gibbs * Go through all of our pending SCBs and remove 61b3b25f2cSJustin T. Gibbs * any scheduled timeouts for them. We will reschedule 62b3b25f2cSJustin T. Gibbs * them after we've successfully fixed this problem. 63b3b25f2cSJustin T. Gibbs */ 64b3b25f2cSJustin T. Gibbs LIST_FOREACH(list_scb, &aic->pending_scbs, pending_links) { 65b3b25f2cSJustin T. Gibbs union ccb *ccb; 66b3b25f2cSJustin T. Gibbs 67b3b25f2cSJustin T. Gibbs ccb = list_scb->io_ctx; 68b3b25f2cSJustin T. Gibbs untimeout(aic_platform_timeout, list_scb, 69b3b25f2cSJustin T. Gibbs ccb->ccb_h.timeout_ch); 70b3b25f2cSJustin T. Gibbs } 71b3b25f2cSJustin T. Gibbs } 72b3b25f2cSJustin T. Gibbs } 73b3b25f2cSJustin T. Gibbs 74b3b25f2cSJustin T. Gibbs void 75b3b25f2cSJustin T. Gibbs aic_platform_timeout(void *arg) 76b3b25f2cSJustin T. Gibbs { 77b3b25f2cSJustin T. Gibbs struct scb *scb; 78b3b25f2cSJustin T. Gibbs u_long s; 79b3b25f2cSJustin T. Gibbs 80b3b25f2cSJustin T. Gibbs scb = (struct scb *)arg; 81b3b25f2cSJustin T. Gibbs aic_lock(scb->aic_softc, &s); 82b3b25f2cSJustin T. Gibbs aic_timeout(scb); 83b3b25f2cSJustin T. Gibbs aic_unlock(scb->aic_softc, &s); 84b3b25f2cSJustin T. Gibbs } 85b3b25f2cSJustin T. Gibbs 86b3b25f2cSJustin T. Gibbs int 87b3b25f2cSJustin T. Gibbs aic_spawn_recovery_thread(struct aic_softc *aic) 88b3b25f2cSJustin T. Gibbs { 89b3b25f2cSJustin T. Gibbs int error; 90b3b25f2cSJustin T. Gibbs 91b3b25f2cSJustin T. Gibbs error = aic_kthread_create(aic_recovery_thread, aic, 92b3b25f2cSJustin T. Gibbs &aic->platform_data->recovery_thread, 93b3b25f2cSJustin T. Gibbs /*flags*/0, /*altstack*/0, "aic_recovery%d", 94b3b25f2cSJustin T. Gibbs aic->unit); 95b3b25f2cSJustin T. Gibbs return (error); 96b3b25f2cSJustin T. Gibbs } 97b3b25f2cSJustin T. Gibbs 98b3b25f2cSJustin T. Gibbs /* 99b3b25f2cSJustin T. Gibbs * Lock is not held on entry. 100b3b25f2cSJustin T. Gibbs */ 101b3b25f2cSJustin T. Gibbs void 102b3b25f2cSJustin T. Gibbs aic_terminate_recovery_thread(struct aic_softc *aic) 103b3b25f2cSJustin T. Gibbs { 104b3b25f2cSJustin T. Gibbs u_long s; 105b3b25f2cSJustin T. Gibbs 106b3b25f2cSJustin T. Gibbs aic_lock(aic, &s); 107b3b25f2cSJustin T. Gibbs if (aic->platform_data->recovery_thread == NULL) { 108b3b25f2cSJustin T. Gibbs aic_unlock(aic, &s); 109b3b25f2cSJustin T. Gibbs return; 110b3b25f2cSJustin T. Gibbs } 111b3b25f2cSJustin T. Gibbs aic->flags |= AIC_SHUTDOWN_RECOVERY; 112b3b25f2cSJustin T. Gibbs wakeup(aic); 113b3b25f2cSJustin T. Gibbs /* 114b3b25f2cSJustin T. Gibbs * Sleep on a slightly different location 115b3b25f2cSJustin T. Gibbs * for this interlock just for added safety. 116b3b25f2cSJustin T. Gibbs */ 117b3b25f2cSJustin T. Gibbs tsleep(aic->platform_data, PUSER, "thtrm", 0); 118b3b25f2cSJustin T. Gibbs aic_unlock(aic, &s); 119b3b25f2cSJustin T. Gibbs } 120b3b25f2cSJustin T. Gibbs 121670c5599SJustin T. Gibbs static void 122670c5599SJustin T. Gibbs aic_recovery_thread(void *arg) 123670c5599SJustin T. Gibbs { 124670c5599SJustin T. Gibbs struct aic_softc *aic; 125670c5599SJustin T. Gibbs u_long s; 126670c5599SJustin T. Gibbs 127670c5599SJustin T. Gibbs #if __FreeBSD_version >= 500000 128670c5599SJustin T. Gibbs mtx_lock(&Giant); 129670c5599SJustin T. Gibbs #endif 130670c5599SJustin T. Gibbs aic = (struct aic_softc *)arg; 131670c5599SJustin T. Gibbs aic_lock(aic, &s); 132670c5599SJustin T. Gibbs for (;;) { 133670c5599SJustin T. Gibbs 134670c5599SJustin T. Gibbs if (LIST_EMPTY(&aic->timedout_scbs) != 0 135670c5599SJustin T. Gibbs && (aic->flags & AIC_SHUTDOWN_RECOVERY) == 0) 136670c5599SJustin T. Gibbs tsleep(aic, PUSER, "idle", 0); 137670c5599SJustin T. Gibbs 138670c5599SJustin T. Gibbs if ((aic->flags & AIC_SHUTDOWN_RECOVERY) != 0) 139670c5599SJustin T. Gibbs break; 140670c5599SJustin T. Gibbs 141670c5599SJustin T. Gibbs aic_unlock(aic, &s); 142670c5599SJustin T. Gibbs aic_recover_commands(aic); 143670c5599SJustin T. Gibbs aic_lock(aic, &s); 144670c5599SJustin T. Gibbs } 145670c5599SJustin T. Gibbs aic->platform_data->recovery_thread = NULL; 146670c5599SJustin T. Gibbs wakeup(aic->platform_data); 147670c5599SJustin T. Gibbs aic_unlock(aic, &s); 148670c5599SJustin T. Gibbs #if __FreeBSD_version >= 500000 149670c5599SJustin T. Gibbs mtx_unlock(&Giant); 150670c5599SJustin T. Gibbs #endif 151670c5599SJustin T. Gibbs kthread_exit(0); 152670c5599SJustin T. Gibbs } 153670c5599SJustin T. Gibbs 154b3b25f2cSJustin T. Gibbs void 155b3b25f2cSJustin T. Gibbs aic_calc_geometry(struct ccb_calc_geometry *ccg, int extended) 156b3b25f2cSJustin T. Gibbs { 157b3b25f2cSJustin T. Gibbs #if __FreeBSD_version >= 500000 158b3b25f2cSJustin T. Gibbs cam_calc_geometry(ccg, extended); 159b3b25f2cSJustin T. Gibbs #else 160b3b25f2cSJustin T. Gibbs uint32_t size_mb; 161b3b25f2cSJustin T. Gibbs uint32_t secs_per_cylinder; 162b3b25f2cSJustin T. Gibbs 163b3b25f2cSJustin T. Gibbs size_mb = ccg->volume_size / ((1024L * 1024L) / ccg->block_size); 164b3b25f2cSJustin T. Gibbs if (size_mb > 1024 && extended) { 165b3b25f2cSJustin T. Gibbs ccg->heads = 255; 166b3b25f2cSJustin T. Gibbs ccg->secs_per_track = 63; 167b3b25f2cSJustin T. Gibbs } else { 168b3b25f2cSJustin T. Gibbs ccg->heads = 64; 169b3b25f2cSJustin T. Gibbs ccg->secs_per_track = 32; 170b3b25f2cSJustin T. Gibbs } 171b3b25f2cSJustin T. Gibbs secs_per_cylinder = ccg->heads * ccg->secs_per_track; 172b3b25f2cSJustin T. Gibbs ccg->cylinders = ccg->volume_size / secs_per_cylinder; 173b3b25f2cSJustin T. Gibbs ccg->ccb_h.status = CAM_REQ_CMP; 174b3b25f2cSJustin T. Gibbs #endif 175b3b25f2cSJustin T. Gibbs } 176b3b25f2cSJustin T. Gibbs 177