ata_xpt.c revision 217444
1195534Sscottl/*- 2195534Sscottl * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org> 3195534Sscottl * All rights reserved. 4195534Sscottl * 5195534Sscottl * Redistribution and use in source and binary forms, with or without 6195534Sscottl * modification, are permitted provided that the following conditions 7195534Sscottl * are met: 8195534Sscottl * 1. Redistributions of source code must retain the above copyright 9195534Sscottl * notice, this list of conditions and the following disclaimer, 10195534Sscottl * without modification, immediately at the beginning of the file. 11195534Sscottl * 2. Redistributions in binary form must reproduce the above copyright 12195534Sscottl * notice, this list of conditions and the following disclaimer in the 13195534Sscottl * documentation and/or other materials provided with the distribution. 14195534Sscottl * 15195534Sscottl * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16195534Sscottl * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17195534Sscottl * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18195534Sscottl * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19195534Sscottl * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20195534Sscottl * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21195534Sscottl * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22195534Sscottl * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23195534Sscottl * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24195534Sscottl * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25195534Sscottl */ 26195534Sscottl 27195534Sscottl#include <sys/cdefs.h> 28195534Sscottl__FBSDID("$FreeBSD: head/sys/cam/ata/ata_xpt.c 217444 2011-01-15 09:43:25Z mav $"); 29195534Sscottl 30195534Sscottl#include <sys/param.h> 31195534Sscottl#include <sys/bus.h> 32195534Sscottl#include <sys/endian.h> 33195534Sscottl#include <sys/systm.h> 34195534Sscottl#include <sys/types.h> 35195534Sscottl#include <sys/malloc.h> 36195534Sscottl#include <sys/kernel.h> 37195534Sscottl#include <sys/time.h> 38195534Sscottl#include <sys/conf.h> 39195534Sscottl#include <sys/fcntl.h> 40195534Sscottl#include <sys/interrupt.h> 41195534Sscottl#include <sys/sbuf.h> 42195534Sscottl 43195534Sscottl#include <sys/lock.h> 44195534Sscottl#include <sys/mutex.h> 45195534Sscottl#include <sys/sysctl.h> 46195534Sscottl 47195534Sscottl#include <cam/cam.h> 48195534Sscottl#include <cam/cam_ccb.h> 49195534Sscottl#include <cam/cam_queue.h> 50195534Sscottl#include <cam/cam_periph.h> 51195534Sscottl#include <cam/cam_sim.h> 52195534Sscottl#include <cam/cam_xpt.h> 53195534Sscottl#include <cam/cam_xpt_sim.h> 54195534Sscottl#include <cam/cam_xpt_periph.h> 55195534Sscottl#include <cam/cam_xpt_internal.h> 56195534Sscottl#include <cam/cam_debug.h> 57195534Sscottl 58195534Sscottl#include <cam/scsi/scsi_all.h> 59195534Sscottl#include <cam/scsi/scsi_message.h> 60195534Sscottl#include <cam/ata/ata_all.h> 61195534Sscottl#include <machine/stdarg.h> /* for xpt_print below */ 62195534Sscottl#include "opt_cam.h" 63195534Sscottl 64199178Smavstruct ata_quirk_entry { 65195534Sscottl struct scsi_inquiry_pattern inq_pat; 66195534Sscottl u_int8_t quirks; 67199178Smav#define CAM_QUIRK_MAXTAGS 0x01 68195534Sscottl u_int maxtags; 69195534Sscottl}; 70195534Sscottl 71195534Sscottlstatic periph_init_t probe_periph_init; 72195534Sscottl 73195534Sscottlstatic struct periph_driver probe_driver = 74195534Sscottl{ 75195653Smav probe_periph_init, "aprobe", 76198708Smav TAILQ_HEAD_INITIALIZER(probe_driver.units), /* generation */ 0, 77198708Smav CAM_PERIPH_DRV_EARLY 78195534Sscottl}; 79195534Sscottl 80195653SmavPERIPHDRIVER_DECLARE(aprobe, probe_driver); 81195534Sscottl 82195534Sscottltypedef enum { 83195534Sscottl PROBE_RESET, 84195534Sscottl PROBE_IDENTIFY, 85203421Smav PROBE_SPINUP, 86195534Sscottl PROBE_SETMODE, 87207499Smav PROBE_SETPM, 88207499Smav PROBE_SETAPST, 89207499Smav PROBE_SETDMAAA, 90198708Smav PROBE_SET_MULTI, 91195534Sscottl PROBE_INQUIRY, 92195534Sscottl PROBE_FULL_INQUIRY, 93195534Sscottl PROBE_PM_PID, 94195534Sscottl PROBE_PM_PRV, 95195534Sscottl PROBE_INVALID 96195534Sscottl} probe_action; 97195534Sscottl 98195534Sscottlstatic char *probe_action_text[] = { 99195534Sscottl "PROBE_RESET", 100195534Sscottl "PROBE_IDENTIFY", 101203421Smav "PROBE_SPINUP", 102195534Sscottl "PROBE_SETMODE", 103207499Smav "PROBE_SETPM", 104207499Smav "PROBE_SETAPST", 105207499Smav "PROBE_SETDMAAA", 106198708Smav "PROBE_SET_MULTI", 107195534Sscottl "PROBE_INQUIRY", 108195534Sscottl "PROBE_FULL_INQUIRY", 109195534Sscottl "PROBE_PM_PID", 110195534Sscottl "PROBE_PM_PRV", 111195534Sscottl "PROBE_INVALID" 112195534Sscottl}; 113195534Sscottl 114195534Sscottl#define PROBE_SET_ACTION(softc, newaction) \ 115195534Sscottldo { \ 116195534Sscottl char **text; \ 117195534Sscottl text = probe_action_text; \ 118195534Sscottl CAM_DEBUG((softc)->periph->path, CAM_DEBUG_INFO, \ 119195534Sscottl ("Probe %s to %s\n", text[(softc)->action], \ 120195534Sscottl text[(newaction)])); \ 121195534Sscottl (softc)->action = (newaction); \ 122195534Sscottl} while(0) 123195534Sscottl 124195534Sscottltypedef enum { 125195534Sscottl PROBE_NO_ANNOUNCE = 0x04 126195534Sscottl} probe_flags; 127195534Sscottl 128195534Sscottltypedef struct { 129195534Sscottl TAILQ_HEAD(, ccb_hdr) request_ccbs; 130203385Smav struct ata_params ident_data; 131195534Sscottl probe_action action; 132195534Sscottl probe_flags flags; 133195534Sscottl uint32_t pm_pid; 134195534Sscottl uint32_t pm_prv; 135203108Smav int restart; 136203421Smav int spinup; 137209744Smav int faults; 138207499Smav u_int caps; 139195534Sscottl struct cam_periph *periph; 140195534Sscottl} probe_softc; 141195534Sscottl 142199178Smavstatic struct ata_quirk_entry ata_quirk_table[] = 143195534Sscottl{ 144195534Sscottl { 145195534Sscottl /* Default tagged queuing parameters for all devices */ 146195534Sscottl { 147195534Sscottl T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 148195534Sscottl /*vendor*/"*", /*product*/"*", /*revision*/"*" 149195534Sscottl }, 150199178Smav /*quirks*/0, /*maxtags*/0 151195534Sscottl }, 152195534Sscottl}; 153195534Sscottl 154199178Smavstatic const int ata_quirk_table_size = 155199178Smav sizeof(ata_quirk_table) / sizeof(*ata_quirk_table); 156195534Sscottl 157195534Sscottlstatic cam_status proberegister(struct cam_periph *periph, 158195534Sscottl void *arg); 159195534Sscottlstatic void probeschedule(struct cam_periph *probe_periph); 160195534Sscottlstatic void probestart(struct cam_periph *periph, union ccb *start_ccb); 161195534Sscottl//static void proberequestdefaultnegotiation(struct cam_periph *periph); 162195534Sscottl//static int proberequestbackoff(struct cam_periph *periph, 163195534Sscottl// struct cam_ed *device); 164195534Sscottlstatic void probedone(struct cam_periph *periph, union ccb *done_ccb); 165195534Sscottlstatic void probecleanup(struct cam_periph *periph); 166199178Smavstatic void ata_find_quirk(struct cam_ed *device); 167195534Sscottlstatic void ata_scan_bus(struct cam_periph *periph, union ccb *ccb); 168195534Sscottlstatic void ata_scan_lun(struct cam_periph *periph, 169195534Sscottl struct cam_path *path, cam_flags flags, 170195534Sscottl union ccb *ccb); 171195534Sscottlstatic void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 172195534Sscottlstatic struct cam_ed * 173195534Sscottl ata_alloc_device(struct cam_eb *bus, struct cam_et *target, 174195534Sscottl lun_id_t lun_id); 175195534Sscottlstatic void ata_device_transport(struct cam_path *path); 176199178Smavstatic void ata_set_transfer_settings(struct ccb_trans_settings *cts, 177195534Sscottl struct cam_ed *device, 178195534Sscottl int async_update); 179195534Sscottlstatic void ata_dev_async(u_int32_t async_code, 180195534Sscottl struct cam_eb *bus, 181195534Sscottl struct cam_et *target, 182195534Sscottl struct cam_ed *device, 183195534Sscottl void *async_arg); 184195534Sscottlstatic void ata_action(union ccb *start_ccb); 185204220Smavstatic void ata_announce_periph(struct cam_periph *periph); 186195534Sscottl 187195534Sscottlstatic struct xpt_xport ata_xport = { 188195534Sscottl .alloc_device = ata_alloc_device, 189195534Sscottl .action = ata_action, 190195534Sscottl .async = ata_dev_async, 191204220Smav .announce = ata_announce_periph, 192195534Sscottl}; 193195534Sscottl 194195534Sscottlstruct xpt_xport * 195195534Sscottlata_get_xport(void) 196195534Sscottl{ 197195534Sscottl return (&ata_xport); 198195534Sscottl} 199195534Sscottl 200195534Sscottlstatic void 201195534Sscottlprobe_periph_init() 202195534Sscottl{ 203195534Sscottl} 204195534Sscottl 205195534Sscottlstatic cam_status 206195534Sscottlproberegister(struct cam_periph *periph, void *arg) 207195534Sscottl{ 208195534Sscottl union ccb *request_ccb; /* CCB representing the probe request */ 209195534Sscottl cam_status status; 210195534Sscottl probe_softc *softc; 211195534Sscottl 212195534Sscottl request_ccb = (union ccb *)arg; 213195534Sscottl if (periph == NULL) { 214195534Sscottl printf("proberegister: periph was NULL!!\n"); 215195534Sscottl return(CAM_REQ_CMP_ERR); 216195534Sscottl } 217195534Sscottl 218195534Sscottl if (request_ccb == NULL) { 219195534Sscottl printf("proberegister: no probe CCB, " 220195534Sscottl "can't register device\n"); 221195534Sscottl return(CAM_REQ_CMP_ERR); 222195534Sscottl } 223195534Sscottl 224203421Smav softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_ZERO | M_NOWAIT); 225195534Sscottl 226195534Sscottl if (softc == NULL) { 227195534Sscottl printf("proberegister: Unable to probe new device. " 228195534Sscottl "Unable to allocate softc\n"); 229195534Sscottl return(CAM_REQ_CMP_ERR); 230195534Sscottl } 231195534Sscottl TAILQ_INIT(&softc->request_ccbs); 232195534Sscottl TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 233195534Sscottl periph_links.tqe); 234195534Sscottl softc->flags = 0; 235195534Sscottl periph->softc = softc; 236195534Sscottl softc->periph = periph; 237195534Sscottl softc->action = PROBE_INVALID; 238195534Sscottl status = cam_periph_acquire(periph); 239195534Sscottl if (status != CAM_REQ_CMP) { 240195534Sscottl return (status); 241195534Sscottl } 242195534Sscottl /* 243203108Smav * Ensure nobody slip in until probe finish. 244195534Sscottl */ 245203108Smav cam_freeze_devq_arg(periph->path, 246203108Smav RELSIM_RELEASE_RUNLEVEL, CAM_RL_XPT + 1); 247195534Sscottl probeschedule(periph); 248195534Sscottl return(CAM_REQ_CMP); 249195534Sscottl} 250195534Sscottl 251195534Sscottlstatic void 252195534Sscottlprobeschedule(struct cam_periph *periph) 253195534Sscottl{ 254195534Sscottl union ccb *ccb; 255195534Sscottl probe_softc *softc; 256195534Sscottl 257195534Sscottl softc = (probe_softc *)periph->softc; 258195534Sscottl ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 259195534Sscottl 260198389Smav if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) || 261198389Smav periph->path->device->protocol == PROTO_SATAPM) 262195534Sscottl PROBE_SET_ACTION(softc, PROBE_RESET); 263195534Sscottl else 264195534Sscottl PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 265195534Sscottl 266195534Sscottl if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 267195534Sscottl softc->flags |= PROBE_NO_ANNOUNCE; 268195534Sscottl else 269195534Sscottl softc->flags &= ~PROBE_NO_ANNOUNCE; 270195534Sscottl 271203108Smav xpt_schedule(periph, CAM_PRIORITY_XPT); 272195534Sscottl} 273195534Sscottl 274195534Sscottlstatic void 275195534Sscottlprobestart(struct cam_periph *periph, union ccb *start_ccb) 276195534Sscottl{ 277199747Smav struct ccb_trans_settings cts; 278195534Sscottl struct ccb_ataio *ataio; 279195534Sscottl struct ccb_scsiio *csio; 280195534Sscottl probe_softc *softc; 281198708Smav struct cam_path *path; 282198708Smav struct ata_params *ident_buf; 283195534Sscottl 284195534Sscottl CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 285195534Sscottl 286195534Sscottl softc = (probe_softc *)periph->softc; 287198708Smav path = start_ccb->ccb_h.path; 288195534Sscottl ataio = &start_ccb->ataio; 289195534Sscottl csio = &start_ccb->csio; 290198708Smav ident_buf = &periph->path->device->ident_data; 291195534Sscottl 292203108Smav if (softc->restart) { 293203108Smav softc->restart = 0; 294203108Smav if ((path->device->flags & CAM_DEV_UNCONFIGURED) || 295203108Smav path->device->protocol == PROTO_SATAPM) 296203108Smav softc->action = PROBE_RESET; 297203108Smav else 298203108Smav softc->action = PROBE_IDENTIFY; 299203108Smav } 300195534Sscottl switch (softc->action) { 301195534Sscottl case PROBE_RESET: 302195534Sscottl cam_fill_ataio(ataio, 303195534Sscottl 0, 304195534Sscottl probedone, 305195534Sscottl /*flags*/CAM_DIR_NONE, 306198389Smav 0, 307195534Sscottl /*data_ptr*/NULL, 308195534Sscottl /*dxfer_len*/0, 309203108Smav 15 * 1000); 310195534Sscottl ata_reset_cmd(ataio); 311195534Sscottl break; 312195534Sscottl case PROBE_IDENTIFY: 313195534Sscottl cam_fill_ataio(ataio, 314195534Sscottl 1, 315195534Sscottl probedone, 316195534Sscottl /*flags*/CAM_DIR_IN, 317198389Smav 0, 318203385Smav /*data_ptr*/(u_int8_t *)&softc->ident_data, 319203385Smav /*dxfer_len*/sizeof(softc->ident_data), 320195534Sscottl 30 * 1000); 321195534Sscottl if (periph->path->device->protocol == PROTO_ATA) 322196659Smav ata_28bit_cmd(ataio, ATA_ATA_IDENTIFY, 0, 0, 0); 323195534Sscottl else 324196659Smav ata_28bit_cmd(ataio, ATA_ATAPI_IDENTIFY, 0, 0, 0); 325195534Sscottl break; 326203421Smav case PROBE_SPINUP: 327203421Smav if (bootverbose) 328203421Smav xpt_print(path, "Spinning up device\n"); 329203421Smav cam_fill_ataio(ataio, 330203421Smav 1, 331203421Smav probedone, 332203421Smav /*flags*/CAM_DIR_NONE | CAM_HIGH_POWER, 333203421Smav 0, 334203421Smav /*data_ptr*/NULL, 335203421Smav /*dxfer_len*/0, 336203421Smav 30 * 1000); 337203421Smav ata_28bit_cmd(ataio, ATA_SETFEATURES, ATA_SF_PUIS_SPINUP, 0, 0); 338203421Smav break; 339195534Sscottl case PROBE_SETMODE: 340199747Smav { 341199747Smav int mode, wantmode; 342199747Smav 343199747Smav mode = 0; 344199747Smav /* Fetch user modes from SIM. */ 345199747Smav bzero(&cts, sizeof(cts)); 346203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 347199747Smav cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 348199747Smav cts.type = CTS_TYPE_USER_SETTINGS; 349199747Smav xpt_action((union ccb *)&cts); 350199747Smav if (path->device->transport == XPORT_ATA) { 351199747Smav if (cts.xport_specific.ata.valid & CTS_ATA_VALID_MODE) 352199747Smav mode = cts.xport_specific.ata.mode; 353199747Smav } else { 354199799Smav if (cts.xport_specific.sata.valid & CTS_SATA_VALID_MODE) 355199747Smav mode = cts.xport_specific.sata.mode; 356199747Smav } 357199747Smavnegotiate: 358199747Smav /* Honor device capabilities. */ 359199747Smav wantmode = mode = ata_max_mode(ident_buf, mode); 360199747Smav /* Report modes to SIM. */ 361199747Smav bzero(&cts, sizeof(cts)); 362203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 363199747Smav cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 364199747Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 365199747Smav if (path->device->transport == XPORT_ATA) { 366199747Smav cts.xport_specific.ata.mode = mode; 367199747Smav cts.xport_specific.ata.valid = CTS_ATA_VALID_MODE; 368199747Smav } else { 369199747Smav cts.xport_specific.sata.mode = mode; 370199747Smav cts.xport_specific.sata.valid = CTS_SATA_VALID_MODE; 371199747Smav } 372199747Smav xpt_action((union ccb *)&cts); 373200171Smav /* Fetch current modes from SIM. */ 374199747Smav bzero(&cts, sizeof(cts)); 375203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 376199747Smav cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 377199747Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 378199747Smav xpt_action((union ccb *)&cts); 379199747Smav if (path->device->transport == XPORT_ATA) { 380199747Smav if (cts.xport_specific.ata.valid & CTS_ATA_VALID_MODE) 381199747Smav mode = cts.xport_specific.ata.mode; 382199747Smav } else { 383199747Smav if (cts.xport_specific.ata.valid & CTS_SATA_VALID_MODE) 384199747Smav mode = cts.xport_specific.sata.mode; 385199747Smav } 386199747Smav /* If SIM disagree - renegotiate. */ 387199747Smav if (mode != wantmode) 388199747Smav goto negotiate; 389195534Sscottl cam_fill_ataio(ataio, 390195534Sscottl 1, 391195534Sscottl probedone, 392196353Smav /*flags*/CAM_DIR_NONE, 393196353Smav 0, 394196353Smav /*data_ptr*/NULL, 395196353Smav /*dxfer_len*/0, 396195534Sscottl 30 * 1000); 397199747Smav ata_28bit_cmd(ataio, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode); 398195534Sscottl break; 399199747Smav } 400207499Smav case PROBE_SETPM: 401207499Smav cam_fill_ataio(ataio, 402207499Smav 1, 403207499Smav probedone, 404207499Smav CAM_DIR_NONE, 405207499Smav 0, 406207499Smav NULL, 407207499Smav 0, 408207499Smav 30*1000); 409207499Smav ata_28bit_cmd(ataio, ATA_SETFEATURES, 410207499Smav (softc->caps & CTS_SATA_CAPS_H_PMREQ) ? 0x10 : 0x90, 411207499Smav 0, 0x03); 412207499Smav break; 413207499Smav case PROBE_SETAPST: 414207499Smav cam_fill_ataio(ataio, 415207499Smav 1, 416207499Smav probedone, 417207499Smav CAM_DIR_NONE, 418207499Smav 0, 419207499Smav NULL, 420207499Smav 0, 421207499Smav 30*1000); 422207499Smav ata_28bit_cmd(ataio, ATA_SETFEATURES, 423207499Smav (softc->caps & CTS_SATA_CAPS_H_APST) ? 0x10 : 0x90, 424207499Smav 0, 0x07); 425207499Smav break; 426207499Smav case PROBE_SETDMAAA: 427207499Smav cam_fill_ataio(ataio, 428207499Smav 1, 429207499Smav probedone, 430207499Smav CAM_DIR_NONE, 431207499Smav 0, 432207499Smav NULL, 433207499Smav 0, 434207499Smav 30*1000); 435207499Smav ata_28bit_cmd(ataio, ATA_SETFEATURES, 436207499Smav (softc->caps & CTS_SATA_CAPS_H_DMAAA) ? 0x10 : 0x90, 437207499Smav 0, 0x02); 438207499Smav break; 439198708Smav case PROBE_SET_MULTI: 440198708Smav { 441200171Smav u_int sectors, bytecount; 442198708Smav 443200171Smav bytecount = 8192; /* SATA maximum */ 444200171Smav /* Fetch user bytecount from SIM. */ 445200171Smav bzero(&cts, sizeof(cts)); 446203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 447200171Smav cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 448200171Smav cts.type = CTS_TYPE_USER_SETTINGS; 449200171Smav xpt_action((union ccb *)&cts); 450200171Smav if (path->device->transport == XPORT_ATA) { 451200171Smav if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 452200171Smav bytecount = cts.xport_specific.ata.bytecount; 453200171Smav } else { 454200171Smav if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 455200171Smav bytecount = cts.xport_specific.sata.bytecount; 456200171Smav } 457200171Smav /* Honor device capabilities. */ 458200171Smav sectors = max(1, min(ident_buf->sectors_intr & 0xff, 459200171Smav bytecount / ata_logical_sector_size(ident_buf))); 460198708Smav /* Report bytecount to SIM. */ 461198708Smav bzero(&cts, sizeof(cts)); 462203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 463198708Smav cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 464198708Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 465198708Smav if (path->device->transport == XPORT_ATA) { 466198897Smav cts.xport_specific.ata.bytecount = sectors * 467198897Smav ata_logical_sector_size(ident_buf); 468198708Smav cts.xport_specific.ata.valid = CTS_ATA_VALID_BYTECOUNT; 469198708Smav } else { 470198897Smav cts.xport_specific.sata.bytecount = sectors * 471198897Smav ata_logical_sector_size(ident_buf); 472198708Smav cts.xport_specific.sata.valid = CTS_SATA_VALID_BYTECOUNT; 473198708Smav } 474198708Smav xpt_action((union ccb *)&cts); 475200171Smav /* Fetch current bytecount from SIM. */ 476200171Smav bzero(&cts, sizeof(cts)); 477203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 478200171Smav cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 479200171Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 480200171Smav xpt_action((union ccb *)&cts); 481200171Smav if (path->device->transport == XPORT_ATA) { 482200171Smav if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 483200171Smav bytecount = cts.xport_specific.ata.bytecount; 484200171Smav } else { 485200171Smav if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 486200171Smav bytecount = cts.xport_specific.sata.bytecount; 487200171Smav } 488200171Smav sectors = bytecount / ata_logical_sector_size(ident_buf); 489198708Smav 490198708Smav cam_fill_ataio(ataio, 491198708Smav 1, 492198708Smav probedone, 493198708Smav CAM_DIR_NONE, 494198708Smav 0, 495198708Smav NULL, 496198708Smav 0, 497198708Smav 30*1000); 498198708Smav ata_28bit_cmd(ataio, ATA_SET_MULTI, 0, 0, sectors); 499198708Smav break; 500195534Sscottl } 501195534Sscottl case PROBE_INQUIRY: 502200171Smav { 503200171Smav u_int bytecount; 504200171Smav 505200171Smav bytecount = 8192; /* SATA maximum */ 506200171Smav /* Fetch user bytecount from SIM. */ 507200171Smav bzero(&cts, sizeof(cts)); 508203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 509200171Smav cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 510200171Smav cts.type = CTS_TYPE_USER_SETTINGS; 511200171Smav xpt_action((union ccb *)&cts); 512200171Smav if (path->device->transport == XPORT_ATA) { 513200171Smav if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 514200171Smav bytecount = cts.xport_specific.ata.bytecount; 515200171Smav } else { 516200171Smav if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 517200171Smav bytecount = cts.xport_specific.sata.bytecount; 518200171Smav } 519200171Smav /* Honor device capabilities. */ 520200171Smav bytecount &= ~1; 521200171Smav bytecount = max(2, min(65534, bytecount)); 522200171Smav if (ident_buf->satacapabilities != 0x0000 && 523200171Smav ident_buf->satacapabilities != 0xffff) { 524200171Smav bytecount = min(8192, bytecount); 525200171Smav } 526200171Smav /* Report bytecount to SIM. */ 527200171Smav bzero(&cts, sizeof(cts)); 528203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 529200171Smav cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 530200171Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 531200171Smav if (path->device->transport == XPORT_ATA) { 532200171Smav cts.xport_specific.ata.bytecount = bytecount; 533200171Smav cts.xport_specific.ata.valid = CTS_ATA_VALID_BYTECOUNT; 534200171Smav } else { 535200171Smav cts.xport_specific.sata.bytecount = bytecount; 536200171Smav cts.xport_specific.sata.valid = CTS_SATA_VALID_BYTECOUNT; 537200171Smav } 538200171Smav xpt_action((union ccb *)&cts); 539200171Smav /* FALLTHROUGH */ 540200171Smav } 541195534Sscottl case PROBE_FULL_INQUIRY: 542195534Sscottl { 543195534Sscottl u_int inquiry_len; 544195534Sscottl struct scsi_inquiry_data *inq_buf = 545195534Sscottl &periph->path->device->inq_data; 546195534Sscottl 547195534Sscottl if (softc->action == PROBE_INQUIRY) 548195534Sscottl inquiry_len = SHORT_INQUIRY_LENGTH; 549195534Sscottl else 550195534Sscottl inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 551195534Sscottl /* 552195534Sscottl * Some parallel SCSI devices fail to send an 553195534Sscottl * ignore wide residue message when dealing with 554195534Sscottl * odd length inquiry requests. Round up to be 555195534Sscottl * safe. 556195534Sscottl */ 557195534Sscottl inquiry_len = roundup2(inquiry_len, 2); 558195534Sscottl scsi_inquiry(csio, 559195534Sscottl /*retries*/1, 560195534Sscottl probedone, 561195534Sscottl MSG_SIMPLE_Q_TAG, 562195534Sscottl (u_int8_t *)inq_buf, 563195534Sscottl inquiry_len, 564195534Sscottl /*evpd*/FALSE, 565195534Sscottl /*page_code*/0, 566195534Sscottl SSD_MIN_SIZE, 567195534Sscottl /*timeout*/60 * 1000); 568195534Sscottl break; 569195534Sscottl } 570195534Sscottl case PROBE_PM_PID: 571195534Sscottl cam_fill_ataio(ataio, 572195534Sscottl 1, 573195534Sscottl probedone, 574195534Sscottl /*flags*/CAM_DIR_NONE, 575198389Smav 0, 576195534Sscottl /*data_ptr*/NULL, 577195534Sscottl /*dxfer_len*/0, 578195534Sscottl 10 * 1000); 579195534Sscottl ata_pm_read_cmd(ataio, 0, 15); 580195534Sscottl break; 581195534Sscottl case PROBE_PM_PRV: 582195534Sscottl cam_fill_ataio(ataio, 583195534Sscottl 1, 584195534Sscottl probedone, 585195534Sscottl /*flags*/CAM_DIR_NONE, 586198389Smav 0, 587195534Sscottl /*data_ptr*/NULL, 588195534Sscottl /*dxfer_len*/0, 589195534Sscottl 10 * 1000); 590195534Sscottl ata_pm_read_cmd(ataio, 1, 15); 591195534Sscottl break; 592195534Sscottl case PROBE_INVALID: 593198708Smav CAM_DEBUG(path, CAM_DEBUG_INFO, 594195534Sscottl ("probestart: invalid action state\n")); 595195534Sscottl default: 596195534Sscottl break; 597195534Sscottl } 598195534Sscottl xpt_action(start_ccb); 599195534Sscottl} 600195534Sscottl#if 0 601195534Sscottlstatic void 602195534Sscottlproberequestdefaultnegotiation(struct cam_periph *periph) 603195534Sscottl{ 604195534Sscottl struct ccb_trans_settings cts; 605195534Sscottl 606203108Smav xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 607195534Sscottl cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 608195534Sscottl cts.type = CTS_TYPE_USER_SETTINGS; 609195534Sscottl xpt_action((union ccb *)&cts); 610195534Sscottl if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 611195534Sscottl return; 612195534Sscottl } 613195534Sscottl cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 614195534Sscottl cts.type = CTS_TYPE_CURRENT_SETTINGS; 615195534Sscottl xpt_action((union ccb *)&cts); 616195534Sscottl} 617195534Sscottl 618195534Sscottl/* 619195534Sscottl * Backoff Negotiation Code- only pertinent for SPI devices. 620195534Sscottl */ 621195534Sscottlstatic int 622195534Sscottlproberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 623195534Sscottl{ 624195534Sscottl struct ccb_trans_settings cts; 625195534Sscottl struct ccb_trans_settings_spi *spi; 626195534Sscottl 627195534Sscottl memset(&cts, 0, sizeof (cts)); 628203108Smav xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 629195534Sscottl cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 630195534Sscottl cts.type = CTS_TYPE_CURRENT_SETTINGS; 631195534Sscottl xpt_action((union ccb *)&cts); 632195534Sscottl if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 633195534Sscottl if (bootverbose) { 634195534Sscottl xpt_print(periph->path, 635195534Sscottl "failed to get current device settings\n"); 636195534Sscottl } 637195534Sscottl return (0); 638195534Sscottl } 639195534Sscottl if (cts.transport != XPORT_SPI) { 640195534Sscottl if (bootverbose) { 641195534Sscottl xpt_print(periph->path, "not SPI transport\n"); 642195534Sscottl } 643195534Sscottl return (0); 644195534Sscottl } 645195534Sscottl spi = &cts.xport_specific.spi; 646195534Sscottl 647195534Sscottl /* 648195534Sscottl * We cannot renegotiate sync rate if we don't have one. 649195534Sscottl */ 650195534Sscottl if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 651195534Sscottl if (bootverbose) { 652195534Sscottl xpt_print(periph->path, "no sync rate known\n"); 653195534Sscottl } 654195534Sscottl return (0); 655195534Sscottl } 656195534Sscottl 657195534Sscottl /* 658195534Sscottl * We'll assert that we don't have to touch PPR options- the 659195534Sscottl * SIM will see what we do with period and offset and adjust 660195534Sscottl * the PPR options as appropriate. 661195534Sscottl */ 662195534Sscottl 663195534Sscottl /* 664195534Sscottl * A sync rate with unknown or zero offset is nonsensical. 665195534Sscottl * A sync period of zero means Async. 666195534Sscottl */ 667195534Sscottl if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 668195534Sscottl || spi->sync_offset == 0 || spi->sync_period == 0) { 669195534Sscottl if (bootverbose) { 670195534Sscottl xpt_print(periph->path, "no sync rate available\n"); 671195534Sscottl } 672195534Sscottl return (0); 673195534Sscottl } 674195534Sscottl 675195534Sscottl if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 676195534Sscottl CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 677195534Sscottl ("hit async: giving up on DV\n")); 678195534Sscottl return (0); 679195534Sscottl } 680195534Sscottl 681195534Sscottl 682195534Sscottl /* 683195534Sscottl * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 684195534Sscottl * We don't try to remember 'last' settings to see if the SIM actually 685195534Sscottl * gets into the speed we want to set. We check on the SIM telling 686195534Sscottl * us that a requested speed is bad, but otherwise don't try and 687195534Sscottl * check the speed due to the asynchronous and handshake nature 688195534Sscottl * of speed setting. 689195534Sscottl */ 690195534Sscottl spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 691195534Sscottl for (;;) { 692195534Sscottl spi->sync_period++; 693195534Sscottl if (spi->sync_period >= 0xf) { 694195534Sscottl spi->sync_period = 0; 695195534Sscottl spi->sync_offset = 0; 696195534Sscottl CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 697195534Sscottl ("setting to async for DV\n")); 698195534Sscottl /* 699195534Sscottl * Once we hit async, we don't want to try 700195534Sscottl * any more settings. 701195534Sscottl */ 702195534Sscottl device->flags |= CAM_DEV_DV_HIT_BOTTOM; 703195534Sscottl } else if (bootverbose) { 704195534Sscottl CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 705195534Sscottl ("DV: period 0x%x\n", spi->sync_period)); 706195534Sscottl printf("setting period to 0x%x\n", spi->sync_period); 707195534Sscottl } 708195534Sscottl cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 709195534Sscottl cts.type = CTS_TYPE_CURRENT_SETTINGS; 710195534Sscottl xpt_action((union ccb *)&cts); 711195534Sscottl if ((cts.ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 712195534Sscottl break; 713195534Sscottl } 714195534Sscottl CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 715195534Sscottl ("DV: failed to set period 0x%x\n", spi->sync_period)); 716195534Sscottl if (spi->sync_period == 0) { 717195534Sscottl return (0); 718195534Sscottl } 719195534Sscottl } 720195534Sscottl return (1); 721195534Sscottl} 722195534Sscottl#endif 723195534Sscottlstatic void 724195534Sscottlprobedone(struct cam_periph *periph, union ccb *done_ccb) 725195534Sscottl{ 726199747Smav struct ccb_trans_settings cts; 727195534Sscottl struct ata_params *ident_buf; 728195534Sscottl probe_softc *softc; 729195534Sscottl struct cam_path *path; 730217444Smav cam_status status; 731195534Sscottl u_int32_t priority; 732207499Smav u_int caps; 733198389Smav int found = 1; 734195534Sscottl 735195534Sscottl CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 736195534Sscottl 737195534Sscottl softc = (probe_softc *)periph->softc; 738195534Sscottl path = done_ccb->ccb_h.path; 739195534Sscottl priority = done_ccb->ccb_h.pinfo.priority; 740195534Sscottl ident_buf = &path->device->ident_data; 741195534Sscottl 742198708Smav if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 743209744Smav if (softc->restart) { 744209744Smav if (bootverbose) { 745209744Smav cam_error_print(done_ccb, 746209744Smav CAM_ESF_ALL, CAM_EPF_ALL); 747209744Smav } 748209744Smav } else if (cam_periph_error(done_ccb, 0, 0, NULL) == ERESTART) 749195534Sscottl return; 750209744Smav if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 751195534Sscottl /* Don't wedge the queue */ 752195534Sscottl xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 753195534Sscottl /*run_queue*/TRUE); 754195534Sscottl } 755217444Smav status = done_ccb->ccb_h.status & CAM_STATUS_MASK; 756209744Smav if (softc->restart) { 757209744Smav softc->faults++; 758209744Smav if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == 759209744Smav CAM_CMD_TIMEOUT) 760209744Smav softc->faults += 4; 761209744Smav if (softc->faults < 10) 762209744Smav goto done; 763209744Smav else 764209744Smav softc->restart = 0; 765217444Smav 766198708Smav /* Old PIO2 devices may not support mode setting. */ 767217444Smav } else if (softc->action == PROBE_SETMODE && 768217444Smav status == CAM_ATA_STATUS_ERROR && 769198708Smav ata_max_pmode(ident_buf) <= ATA_PIO2 && 770217444Smav (ident_buf->capabilities1 & ATA_SUPPORT_IORDY) == 0) { 771198708Smav goto noerror; 772217444Smav 773198708Smav /* 774217444Smav * Some old WD SATA disks report supported and enabled 775217444Smav * device-initiated interface power management, but return 776217444Smav * ABORT on attempt to disable it. 777217444Smav */ 778217444Smav } else if (softc->action == PROBE_SETPM && 779217444Smav status == CAM_ATA_STATUS_ERROR) { 780217444Smav goto noerror; 781217444Smav } 782217444Smav 783217444Smav /* 784198708Smav * If we get to this point, we got an error status back 785198708Smav * from the inquiry and the error status doesn't require 786198708Smav * automatically retrying the command. Therefore, the 787198708Smav * inquiry failed. If we had inquiry information before 788198708Smav * for this device, but this latest inquiry command failed, 789198708Smav * the device has probably gone away. If this device isn't 790198708Smav * already marked unconfigured, notify the peripheral 791198708Smav * drivers that this device is no more. 792198708Smav */ 793209744Smavdevice_fail: if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 794198708Smav xpt_async(AC_LOST_DEVICE, path, NULL); 795198708Smav found = 0; 796198708Smav goto done; 797198708Smav } 798198708Smavnoerror: 799203385Smav if (softc->restart) 800203385Smav goto done; 801198708Smav switch (softc->action) { 802198708Smav case PROBE_RESET: 803195534Sscottl { 804198708Smav int sign = (done_ccb->ataio.res.lba_high << 8) + 805198708Smav done_ccb->ataio.res.lba_mid; 806200218Smav if (bootverbose) 807200218Smav xpt_print(path, "SIGNATURE: %04x\n", sign); 808198708Smav if (sign == 0x0000 && 809198708Smav done_ccb->ccb_h.target_id != 15) { 810198708Smav path->device->protocol = PROTO_ATA; 811198708Smav PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 812198708Smav } else if (sign == 0x9669 && 813198708Smav done_ccb->ccb_h.target_id == 15) { 814199747Smav /* Report SIM that PM is present. */ 815198708Smav bzero(&cts, sizeof(cts)); 816203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 817198708Smav cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 818198708Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 819198708Smav cts.xport_specific.sata.pm_present = 1; 820198708Smav cts.xport_specific.sata.valid = CTS_SATA_VALID_PM; 821198708Smav xpt_action((union ccb *)&cts); 822198708Smav path->device->protocol = PROTO_SATAPM; 823198708Smav PROBE_SET_ACTION(softc, PROBE_PM_PID); 824198708Smav } else if (sign == 0xeb14 && 825198708Smav done_ccb->ccb_h.target_id != 15) { 826198708Smav path->device->protocol = PROTO_SCSI; 827198708Smav PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 828198708Smav } else { 829198708Smav if (done_ccb->ccb_h.target_id != 15) { 830198708Smav xpt_print(path, 831198708Smav "Unexpected signature 0x%04x\n", sign); 832195534Sscottl } 833198708Smav goto device_fail; 834198708Smav } 835198708Smav xpt_release_ccb(done_ccb); 836198708Smav xpt_schedule(periph, priority); 837198708Smav return; 838198708Smav } 839198708Smav case PROBE_IDENTIFY: 840198708Smav { 841207222Smav struct ccb_pathinq cpi; 842198708Smav int16_t *ptr; 843207282Smav int changed = 1; 844195534Sscottl 845203385Smav ident_buf = &softc->ident_data; 846198708Smav for (ptr = (int16_t *)ident_buf; 847198708Smav ptr < (int16_t *)ident_buf + sizeof(struct ata_params)/2; ptr++) { 848198708Smav *ptr = le16toh(*ptr); 849198708Smav } 850198708Smav if (strncmp(ident_buf->model, "FX", 2) && 851198708Smav strncmp(ident_buf->model, "NEC", 3) && 852198708Smav strncmp(ident_buf->model, "Pioneer", 7) && 853198708Smav strncmp(ident_buf->model, "SHARP", 5)) { 854198708Smav ata_bswap(ident_buf->model, sizeof(ident_buf->model)); 855198708Smav ata_bswap(ident_buf->revision, sizeof(ident_buf->revision)); 856198708Smav ata_bswap(ident_buf->serial, sizeof(ident_buf->serial)); 857198708Smav } 858198708Smav ata_btrim(ident_buf->model, sizeof(ident_buf->model)); 859198708Smav ata_bpack(ident_buf->model, ident_buf->model, sizeof(ident_buf->model)); 860198708Smav ata_btrim(ident_buf->revision, sizeof(ident_buf->revision)); 861198708Smav ata_bpack(ident_buf->revision, ident_buf->revision, sizeof(ident_buf->revision)); 862198708Smav ata_btrim(ident_buf->serial, sizeof(ident_buf->serial)); 863198708Smav ata_bpack(ident_buf->serial, ident_buf->serial, sizeof(ident_buf->serial)); 864203421Smav /* Device may need spin-up before IDENTIFY become valid. */ 865204354Smav if ((ident_buf->specconf == 0x37c8 || 866204354Smav ident_buf->specconf == 0x738c) && 867204354Smav ((ident_buf->config & ATA_RESP_INCOMPLETE) || 868204354Smav softc->spinup == 0)) { 869203421Smav PROBE_SET_ACTION(softc, PROBE_SPINUP); 870203421Smav xpt_release_ccb(done_ccb); 871203421Smav xpt_schedule(periph, priority); 872203421Smav return; 873203421Smav } 874203385Smav ident_buf = &path->device->ident_data; 875198708Smav if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 876198708Smav /* Check that it is the same device. */ 877203385Smav if (bcmp(softc->ident_data.model, ident_buf->model, 878203385Smav sizeof(ident_buf->model)) || 879203385Smav bcmp(softc->ident_data.revision, ident_buf->revision, 880203385Smav sizeof(ident_buf->revision)) || 881203385Smav bcmp(softc->ident_data.serial, ident_buf->serial, 882203385Smav sizeof(ident_buf->serial))) { 883198708Smav /* Device changed. */ 884198708Smav xpt_async(AC_LOST_DEVICE, path, NULL); 885207282Smav } else { 886203385Smav bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 887207282Smav changed = 0; 888207282Smav } 889207282Smav } 890207282Smav if (changed) { 891203385Smav bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 892195534Sscottl /* Clean up from previous instance of this device */ 893195534Sscottl if (path->device->serial_num != NULL) { 894195534Sscottl free(path->device->serial_num, M_CAMXPT); 895195534Sscottl path->device->serial_num = NULL; 896195534Sscottl path->device->serial_num_len = 0; 897195534Sscottl } 898195534Sscottl path->device->serial_num = 899195534Sscottl (u_int8_t *)malloc((sizeof(ident_buf->serial) + 1), 900198708Smav M_CAMXPT, M_NOWAIT); 901195534Sscottl if (path->device->serial_num != NULL) { 902195534Sscottl bcopy(ident_buf->serial, 903195534Sscottl path->device->serial_num, 904195534Sscottl sizeof(ident_buf->serial)); 905195534Sscottl path->device->serial_num[sizeof(ident_buf->serial)] 906195534Sscottl = '\0'; 907195534Sscottl path->device->serial_num_len = 908195534Sscottl strlen(path->device->serial_num); 909195534Sscottl } 910195534Sscottl 911198331Smav path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 912195534Sscottl } 913199178Smav if (ident_buf->satacapabilities & ATA_SUPPORT_NCQ) { 914199178Smav path->device->mintags = path->device->maxtags = 915199178Smav ATA_QUEUE_LEN(ident_buf->queue) + 1; 916199178Smav } 917199178Smav ata_find_quirk(path->device); 918199263Smav if (path->device->mintags != 0 && 919199263Smav path->bus->sim->max_tagged_dev_openings != 0) { 920207222Smav /* Check if the SIM does not want queued commands. */ 921207222Smav bzero(&cpi, sizeof(cpi)); 922207222Smav xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 923207222Smav cpi.ccb_h.func_code = XPT_PATH_INQ; 924207222Smav xpt_action((union ccb *)&cpi); 925207222Smav if (cpi.ccb_h.status == CAM_REQ_CMP && 926207222Smav (cpi.hba_inquiry & PI_TAG_ABLE)) { 927207222Smav /* Report SIM which tags are allowed. */ 928207222Smav bzero(&cts, sizeof(cts)); 929207222Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 930207222Smav cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 931207222Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 932207222Smav cts.xport_specific.sata.tags = path->device->maxtags; 933207222Smav cts.xport_specific.sata.valid = CTS_SATA_VALID_TAGS; 934207222Smav xpt_action((union ccb *)&cts); 935207222Smav /* Reconfigure queues for tagged queueing. */ 936207222Smav xpt_start_tags(path); 937207222Smav } 938199178Smav } 939198708Smav ata_device_transport(path); 940198708Smav PROBE_SET_ACTION(softc, PROBE_SETMODE); 941195534Sscottl xpt_release_ccb(done_ccb); 942198708Smav xpt_schedule(periph, priority); 943198708Smav return; 944195534Sscottl } 945203421Smav case PROBE_SPINUP: 946203421Smav if (bootverbose) 947203421Smav xpt_print(path, "Spin-up done\n"); 948203421Smav softc->spinup = 1; 949203421Smav PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 950203421Smav xpt_release_ccb(done_ccb); 951203421Smav xpt_schedule(periph, priority); 952203421Smav return; 953195534Sscottl case PROBE_SETMODE: 954207499Smav if (path->device->transport != XPORT_SATA) 955207499Smav goto notsata; 956207499Smav /* Set supported bits. */ 957207499Smav bzero(&cts, sizeof(cts)); 958207499Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 959207499Smav cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 960207499Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 961207499Smav xpt_action((union ccb *)&cts); 962207499Smav if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 963207499Smav caps = cts.xport_specific.sata.caps & CTS_SATA_CAPS_H; 964207499Smav else 965207499Smav caps = 0; 966207499Smav if (ident_buf->satacapabilities != 0xffff) { 967207499Smav if (ident_buf->satacapabilities & ATA_SUPPORT_IFPWRMNGTRCV) 968207499Smav caps |= CTS_SATA_CAPS_D_PMREQ; 969207499Smav if (ident_buf->satacapabilities & ATA_SUPPORT_HAPST) 970207499Smav caps |= CTS_SATA_CAPS_D_APST; 971207499Smav } 972207499Smav /* Mask unwanted bits. */ 973207499Smav bzero(&cts, sizeof(cts)); 974207499Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 975207499Smav cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 976207499Smav cts.type = CTS_TYPE_USER_SETTINGS; 977207499Smav xpt_action((union ccb *)&cts); 978207499Smav if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 979207499Smav caps &= cts.xport_specific.sata.caps; 980215454Smav else 981215454Smav caps = 0; 982207499Smav /* Store result to SIM. */ 983207499Smav bzero(&cts, sizeof(cts)); 984207499Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 985207499Smav cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 986207499Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 987207499Smav cts.xport_specific.sata.caps = caps; 988207499Smav cts.xport_specific.sata.valid = CTS_SATA_VALID_CAPS; 989207499Smav xpt_action((union ccb *)&cts); 990207499Smav softc->caps = caps; 991207499Smav if (ident_buf->satasupport & ATA_SUPPORT_IFPWRMNGT) { 992207499Smav PROBE_SET_ACTION(softc, PROBE_SETPM); 993207499Smav xpt_release_ccb(done_ccb); 994207499Smav xpt_schedule(periph, priority); 995207499Smav return; 996207499Smav } 997207499Smav /* FALLTHROUGH */ 998207499Smav case PROBE_SETPM: 999207499Smav if (ident_buf->satacapabilities != 0xffff && 1000207499Smav ident_buf->satacapabilities & ATA_SUPPORT_DAPST) { 1001207499Smav PROBE_SET_ACTION(softc, PROBE_SETAPST); 1002207499Smav xpt_release_ccb(done_ccb); 1003207499Smav xpt_schedule(periph, priority); 1004207499Smav return; 1005207499Smav } 1006207499Smav /* FALLTHROUGH */ 1007207499Smav case PROBE_SETAPST: 1008207499Smav if (ident_buf->satasupport & ATA_SUPPORT_AUTOACTIVATE) { 1009207499Smav PROBE_SET_ACTION(softc, PROBE_SETDMAAA); 1010207499Smav xpt_release_ccb(done_ccb); 1011207499Smav xpt_schedule(periph, priority); 1012207499Smav return; 1013207499Smav } 1014207499Smav /* FALLTHROUGH */ 1015207499Smav case PROBE_SETDMAAA: 1016207499Smavnotsata: 1017198708Smav if (path->device->protocol == PROTO_ATA) { 1018198708Smav PROBE_SET_ACTION(softc, PROBE_SET_MULTI); 1019198708Smav } else { 1020198708Smav PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1021195534Sscottl } 1022198708Smav xpt_release_ccb(done_ccb); 1023198708Smav xpt_schedule(periph, priority); 1024198708Smav return; 1025198708Smav case PROBE_SET_MULTI: 1026198708Smav if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1027198708Smav path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1028198748Smav xpt_acquire_device(path->device); 1029198708Smav done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1030198708Smav xpt_action(done_ccb); 1031198708Smav xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1032198708Smav done_ccb); 1033198708Smav } 1034198708Smav break; 1035195534Sscottl case PROBE_INQUIRY: 1036195534Sscottl case PROBE_FULL_INQUIRY: 1037195534Sscottl { 1038198708Smav struct scsi_inquiry_data *inq_buf; 1039198708Smav u_int8_t periph_qual, len; 1040195534Sscottl 1041198708Smav path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1042198708Smav inq_buf = &path->device->inq_data; 1043195534Sscottl 1044198708Smav periph_qual = SID_QUAL(inq_buf); 1045195534Sscottl 1046198708Smav if (periph_qual != SID_QUAL_LU_CONNECTED) 1047198708Smav break; 1048195534Sscottl 1049198708Smav /* 1050198708Smav * We conservatively request only 1051198708Smav * SHORT_INQUIRY_LEN bytes of inquiry 1052198708Smav * information during our first try 1053198708Smav * at sending an INQUIRY. If the device 1054198708Smav * has more information to give, 1055198708Smav * perform a second request specifying 1056198708Smav * the amount of information the device 1057198708Smav * is willing to give. 1058198708Smav */ 1059198708Smav len = inq_buf->additional_length 1060198708Smav + offsetof(struct scsi_inquiry_data, additional_length) + 1; 1061198708Smav if (softc->action == PROBE_INQUIRY 1062198708Smav && len > SHORT_INQUIRY_LENGTH) { 1063198708Smav PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1064198708Smav xpt_release_ccb(done_ccb); 1065198708Smav xpt_schedule(periph, priority); 1066195534Sscottl return; 1067195534Sscottl } 1068198708Smav 1069198708Smav ata_device_transport(path); 1070198708Smav if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1071198708Smav path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1072198748Smav xpt_acquire_device(path->device); 1073198708Smav done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1074198708Smav xpt_action(done_ccb); 1075198708Smav xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, done_ccb); 1076198708Smav } 1077198708Smav break; 1078195534Sscottl } 1079195534Sscottl case PROBE_PM_PID: 1080198708Smav if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) == 0) 1081198708Smav bzero(ident_buf, sizeof(*ident_buf)); 1082198708Smav softc->pm_pid = (done_ccb->ataio.res.lba_high << 24) + 1083198708Smav (done_ccb->ataio.res.lba_mid << 16) + 1084198708Smav (done_ccb->ataio.res.lba_low << 8) + 1085198708Smav done_ccb->ataio.res.sector_count; 1086198708Smav ((uint32_t *)ident_buf)[0] = softc->pm_pid; 1087198708Smav snprintf(ident_buf->model, sizeof(ident_buf->model), 1088198708Smav "Port Multiplier %08x", softc->pm_pid); 1089198708Smav PROBE_SET_ACTION(softc, PROBE_PM_PRV); 1090198708Smav xpt_release_ccb(done_ccb); 1091198708Smav xpt_schedule(periph, priority); 1092198708Smav return; 1093195534Sscottl case PROBE_PM_PRV: 1094198708Smav softc->pm_prv = (done_ccb->ataio.res.lba_high << 24) + 1095198708Smav (done_ccb->ataio.res.lba_mid << 16) + 1096198708Smav (done_ccb->ataio.res.lba_low << 8) + 1097198708Smav done_ccb->ataio.res.sector_count; 1098198708Smav ((uint32_t *)ident_buf)[1] = softc->pm_prv; 1099198708Smav snprintf(ident_buf->revision, sizeof(ident_buf->revision), 1100198708Smav "%04x", softc->pm_prv); 1101198708Smav path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 1102207499Smav /* Set supported bits. */ 1103207499Smav bzero(&cts, sizeof(cts)); 1104207499Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1105207499Smav cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1106207499Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 1107207499Smav xpt_action((union ccb *)&cts); 1108207499Smav if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1109207499Smav caps = cts.xport_specific.sata.caps & CTS_SATA_CAPS_H; 1110207499Smav else 1111207499Smav caps = 0; 1112207499Smav /* All PMPs must support PM requests. */ 1113207499Smav caps |= CTS_SATA_CAPS_D_PMREQ; 1114207499Smav /* Mask unwanted bits. */ 1115207499Smav bzero(&cts, sizeof(cts)); 1116207499Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1117207499Smav cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1118207499Smav cts.type = CTS_TYPE_USER_SETTINGS; 1119207499Smav xpt_action((union ccb *)&cts); 1120207499Smav if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1121207499Smav caps &= cts.xport_specific.sata.caps; 1122215454Smav else 1123215454Smav caps = 0; 1124207499Smav /* Store result to SIM. */ 1125207499Smav bzero(&cts, sizeof(cts)); 1126207499Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1127207499Smav cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1128207499Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 1129207499Smav cts.xport_specific.sata.caps = caps; 1130207499Smav cts.xport_specific.sata.valid = CTS_SATA_VALID_CAPS; 1131207499Smav xpt_action((union ccb *)&cts); 1132207499Smav softc->caps = caps; 1133198708Smav if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1134198708Smav path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1135198748Smav xpt_acquire_device(path->device); 1136198708Smav done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1137198708Smav xpt_action(done_ccb); 1138198708Smav xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1139198708Smav done_ccb); 1140198708Smav } else { 1141198708Smav done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1142198708Smav xpt_action(done_ccb); 1143198708Smav xpt_async(AC_SCSI_AEN, done_ccb->ccb_h.path, done_ccb); 1144195534Sscottl } 1145198708Smav break; 1146195534Sscottl case PROBE_INVALID: 1147195534Sscottl CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_INFO, 1148195534Sscottl ("probedone: invalid action state\n")); 1149195534Sscottl default: 1150195534Sscottl break; 1151195534Sscottl } 1152198708Smavdone: 1153203108Smav if (softc->restart) { 1154203108Smav softc->restart = 0; 1155203108Smav xpt_release_ccb(done_ccb); 1156195534Sscottl probeschedule(periph); 1157203108Smav return; 1158195534Sscottl } 1159203108Smav xpt_release_ccb(done_ccb); 1160203108Smav while ((done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs))) { 1161203108Smav TAILQ_REMOVE(&softc->request_ccbs, 1162203108Smav &done_ccb->ccb_h, periph_links.tqe); 1163203108Smav done_ccb->ccb_h.status = found ? CAM_REQ_CMP : CAM_REQ_CMP_ERR; 1164203108Smav xpt_done(done_ccb); 1165203108Smav } 1166203108Smav cam_release_devq(periph->path, 1167203108Smav RELSIM_RELEASE_RUNLEVEL, 0, CAM_RL_XPT + 1, FALSE); 1168203108Smav cam_periph_invalidate(periph); 1169203108Smav cam_periph_release_locked(periph); 1170195534Sscottl} 1171195534Sscottl 1172195534Sscottlstatic void 1173195534Sscottlprobecleanup(struct cam_periph *periph) 1174195534Sscottl{ 1175195534Sscottl free(periph->softc, M_CAMXPT); 1176195534Sscottl} 1177195534Sscottl 1178195534Sscottlstatic void 1179199178Smavata_find_quirk(struct cam_ed *device) 1180195534Sscottl{ 1181199178Smav struct ata_quirk_entry *quirk; 1182195534Sscottl caddr_t match; 1183195534Sscottl 1184199178Smav match = cam_quirkmatch((caddr_t)&device->ident_data, 1185199178Smav (caddr_t)ata_quirk_table, 1186199178Smav ata_quirk_table_size, 1187199178Smav sizeof(*ata_quirk_table), ata_identify_match); 1188195534Sscottl 1189195534Sscottl if (match == NULL) 1190195534Sscottl panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1191195534Sscottl 1192199178Smav quirk = (struct ata_quirk_entry *)match; 1193195534Sscottl device->quirk = quirk; 1194199178Smav if (quirk->quirks & CAM_QUIRK_MAXTAGS) 1195199178Smav device->mintags = device->maxtags = quirk->maxtags; 1196195534Sscottl} 1197195534Sscottl 1198195534Sscottltypedef struct { 1199195534Sscottl union ccb *request_ccb; 1200195534Sscottl struct ccb_pathinq *cpi; 1201195534Sscottl int counter; 1202195534Sscottl} ata_scan_bus_info; 1203195534Sscottl 1204195534Sscottl/* 1205195534Sscottl * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1206195534Sscottl * As the scan progresses, xpt_scan_bus is used as the 1207195534Sscottl * callback on completion function. 1208195534Sscottl */ 1209195534Sscottlstatic void 1210195534Sscottlata_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1211195534Sscottl{ 1212195534Sscottl struct cam_path *path; 1213195534Sscottl ata_scan_bus_info *scan_info; 1214203108Smav union ccb *work_ccb, *reset_ccb; 1215195534Sscottl cam_status status; 1216195534Sscottl 1217195534Sscottl CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1218195534Sscottl ("xpt_scan_bus\n")); 1219195534Sscottl switch (request_ccb->ccb_h.func_code) { 1220195534Sscottl case XPT_SCAN_BUS: 1221208582Smjacob case XPT_SCAN_TGT: 1222195534Sscottl /* Find out the characteristics of the bus */ 1223195534Sscottl work_ccb = xpt_alloc_ccb_nowait(); 1224195534Sscottl if (work_ccb == NULL) { 1225195534Sscottl request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1226195534Sscottl xpt_done(request_ccb); 1227195534Sscottl return; 1228195534Sscottl } 1229195534Sscottl xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1230195534Sscottl request_ccb->ccb_h.pinfo.priority); 1231195534Sscottl work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1232195534Sscottl xpt_action(work_ccb); 1233195534Sscottl if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1234195534Sscottl request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1235195534Sscottl xpt_free_ccb(work_ccb); 1236195534Sscottl xpt_done(request_ccb); 1237195534Sscottl return; 1238195534Sscottl } 1239195534Sscottl 1240203108Smav /* We may need to reset bus first, if we haven't done it yet. */ 1241203108Smav if ((work_ccb->cpi.hba_inquiry & 1242203108Smav (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1243203108Smav !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1244203108Smav !timevalisset(&request_ccb->ccb_h.path->bus->last_reset)) { 1245203108Smav reset_ccb = xpt_alloc_ccb_nowait(); 1246208823Smav if (reset_ccb == NULL) { 1247208823Smav request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1248208823Smav xpt_free_ccb(work_ccb); 1249208823Smav xpt_done(request_ccb); 1250208823Smav return; 1251208823Smav } 1252203108Smav xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1253203108Smav CAM_PRIORITY_NONE); 1254203108Smav reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1255203108Smav xpt_action(reset_ccb); 1256203108Smav if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1257203108Smav request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1258203108Smav xpt_free_ccb(reset_ccb); 1259203108Smav xpt_free_ccb(work_ccb); 1260203108Smav xpt_done(request_ccb); 1261203108Smav return; 1262203108Smav } 1263203108Smav xpt_free_ccb(reset_ccb); 1264203108Smav } 1265203108Smav 1266195534Sscottl /* Save some state for use while we probe for devices */ 1267195534Sscottl scan_info = (ata_scan_bus_info *) 1268195534Sscottl malloc(sizeof(ata_scan_bus_info), M_CAMXPT, M_NOWAIT); 1269195534Sscottl if (scan_info == NULL) { 1270195534Sscottl request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1271208823Smav xpt_free_ccb(work_ccb); 1272195534Sscottl xpt_done(request_ccb); 1273195534Sscottl return; 1274195534Sscottl } 1275195534Sscottl scan_info->request_ccb = request_ccb; 1276195534Sscottl scan_info->cpi = &work_ccb->cpi; 1277195534Sscottl /* If PM supported, probe it first. */ 1278195534Sscottl if (scan_info->cpi->hba_inquiry & PI_SATAPM) 1279201990Smav scan_info->counter = scan_info->cpi->max_target; 1280201990Smav else 1281201990Smav scan_info->counter = 0; 1282195534Sscottl 1283195534Sscottl work_ccb = xpt_alloc_ccb_nowait(); 1284195534Sscottl if (work_ccb == NULL) { 1285195534Sscottl free(scan_info, M_CAMXPT); 1286195534Sscottl request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1287195534Sscottl xpt_done(request_ccb); 1288195534Sscottl break; 1289195534Sscottl } 1290195534Sscottl goto scan_next; 1291195534Sscottl case XPT_SCAN_LUN: 1292195534Sscottl work_ccb = request_ccb; 1293195534Sscottl /* Reuse the same CCB to query if a device was really found */ 1294195534Sscottl scan_info = (ata_scan_bus_info *)work_ccb->ccb_h.ppriv_ptr0; 1295198389Smav /* If there is PMP... */ 1296201990Smav if ((scan_info->cpi->hba_inquiry & PI_SATAPM) && 1297201990Smav (scan_info->counter == scan_info->cpi->max_target)) { 1298203108Smav if (work_ccb->ccb_h.status == CAM_REQ_CMP) { 1299207428Smav /* everything else will be probed by it */ 1300207428Smav /* Free the current request path- we're done with it. */ 1301207428Smav xpt_free_path(work_ccb->ccb_h.path); 1302201990Smav goto done; 1303195534Sscottl } else { 1304195534Sscottl struct ccb_trans_settings cts; 1305195534Sscottl 1306195534Sscottl /* Report SIM that PM is absent. */ 1307195534Sscottl bzero(&cts, sizeof(cts)); 1308195534Sscottl xpt_setup_ccb(&cts.ccb_h, 1309207428Smav work_ccb->ccb_h.path, CAM_PRIORITY_NONE); 1310195534Sscottl cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1311195534Sscottl cts.type = CTS_TYPE_CURRENT_SETTINGS; 1312195665Smav cts.xport_specific.sata.pm_present = 0; 1313195534Sscottl cts.xport_specific.sata.valid = CTS_SATA_VALID_PM; 1314195534Sscottl xpt_action((union ccb *)&cts); 1315195534Sscottl } 1316195534Sscottl } 1317207428Smav /* Free the current request path- we're done with it. */ 1318207428Smav xpt_free_path(work_ccb->ccb_h.path); 1319201990Smav if (scan_info->counter == 1320201990Smav ((scan_info->cpi->hba_inquiry & PI_SATAPM) ? 1321201990Smav 0 : scan_info->cpi->max_target)) { 1322201990Smavdone: 1323195534Sscottl xpt_free_ccb(work_ccb); 1324195534Sscottl xpt_free_ccb((union ccb *)scan_info->cpi); 1325195534Sscottl request_ccb = scan_info->request_ccb; 1326195534Sscottl free(scan_info, M_CAMXPT); 1327195534Sscottl request_ccb->ccb_h.status = CAM_REQ_CMP; 1328195534Sscottl xpt_done(request_ccb); 1329195534Sscottl break; 1330195534Sscottl } 1331201990Smav /* Take next device. Wrap from max (PMP) to 0. */ 1332201990Smav scan_info->counter = (scan_info->counter + 1 ) % 1333201990Smav (scan_info->cpi->max_target + 1); 1334195534Sscottlscan_next: 1335195534Sscottl status = xpt_create_path(&path, xpt_periph, 1336195534Sscottl scan_info->request_ccb->ccb_h.path_id, 1337195534Sscottl scan_info->counter, 0); 1338195534Sscottl if (status != CAM_REQ_CMP) { 1339195534Sscottl printf("xpt_scan_bus: xpt_create_path failed" 1340195534Sscottl " with status %#x, bus scan halted\n", 1341195534Sscottl status); 1342195534Sscottl xpt_free_ccb(work_ccb); 1343195534Sscottl xpt_free_ccb((union ccb *)scan_info->cpi); 1344195534Sscottl request_ccb = scan_info->request_ccb; 1345195534Sscottl free(scan_info, M_CAMXPT); 1346195534Sscottl request_ccb->ccb_h.status = status; 1347195534Sscottl xpt_done(request_ccb); 1348195534Sscottl break; 1349195534Sscottl } 1350195534Sscottl xpt_setup_ccb(&work_ccb->ccb_h, path, 1351195534Sscottl scan_info->request_ccb->ccb_h.pinfo.priority); 1352195534Sscottl work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1353195534Sscottl work_ccb->ccb_h.cbfcnp = ata_scan_bus; 1354195534Sscottl work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1355195534Sscottl work_ccb->crcn.flags = scan_info->request_ccb->crcn.flags; 1356195534Sscottl xpt_action(work_ccb); 1357195534Sscottl break; 1358195534Sscottl default: 1359195534Sscottl break; 1360195534Sscottl } 1361195534Sscottl} 1362195534Sscottl 1363195534Sscottlstatic void 1364195534Sscottlata_scan_lun(struct cam_periph *periph, struct cam_path *path, 1365195534Sscottl cam_flags flags, union ccb *request_ccb) 1366195534Sscottl{ 1367195534Sscottl struct ccb_pathinq cpi; 1368195534Sscottl cam_status status; 1369195534Sscottl struct cam_path *new_path; 1370195534Sscottl struct cam_periph *old_periph; 1371195534Sscottl 1372203108Smav CAM_DEBUG(path, CAM_DEBUG_TRACE, ("xpt_scan_lun\n")); 1373195534Sscottl 1374203108Smav xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1375195534Sscottl cpi.ccb_h.func_code = XPT_PATH_INQ; 1376195534Sscottl xpt_action((union ccb *)&cpi); 1377195534Sscottl 1378195534Sscottl if (cpi.ccb_h.status != CAM_REQ_CMP) { 1379195534Sscottl if (request_ccb != NULL) { 1380195534Sscottl request_ccb->ccb_h.status = cpi.ccb_h.status; 1381195534Sscottl xpt_done(request_ccb); 1382195534Sscottl } 1383195534Sscottl return; 1384195534Sscottl } 1385195534Sscottl 1386195534Sscottl if (request_ccb == NULL) { 1387195534Sscottl request_ccb = malloc(sizeof(union ccb), M_CAMXPT, M_NOWAIT); 1388195534Sscottl if (request_ccb == NULL) { 1389195534Sscottl xpt_print(path, "xpt_scan_lun: can't allocate CCB, " 1390195534Sscottl "can't continue\n"); 1391195534Sscottl return; 1392195534Sscottl } 1393195534Sscottl new_path = malloc(sizeof(*new_path), M_CAMXPT, M_NOWAIT); 1394195534Sscottl if (new_path == NULL) { 1395195534Sscottl xpt_print(path, "xpt_scan_lun: can't allocate path, " 1396195534Sscottl "can't continue\n"); 1397195534Sscottl free(request_ccb, M_CAMXPT); 1398195534Sscottl return; 1399195534Sscottl } 1400195534Sscottl status = xpt_compile_path(new_path, xpt_periph, 1401195534Sscottl path->bus->path_id, 1402195534Sscottl path->target->target_id, 1403195534Sscottl path->device->lun_id); 1404195534Sscottl 1405195534Sscottl if (status != CAM_REQ_CMP) { 1406195534Sscottl xpt_print(path, "xpt_scan_lun: can't compile path, " 1407195534Sscottl "can't continue\n"); 1408195534Sscottl free(request_ccb, M_CAMXPT); 1409195534Sscottl free(new_path, M_CAMXPT); 1410195534Sscottl return; 1411195534Sscottl } 1412203108Smav xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 1413195534Sscottl request_ccb->ccb_h.cbfcnp = xptscandone; 1414195534Sscottl request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1415195534Sscottl request_ccb->crcn.flags = flags; 1416195534Sscottl } 1417195534Sscottl 1418195653Smav if ((old_periph = cam_periph_find(path, "aprobe")) != NULL) { 1419195534Sscottl probe_softc *softc; 1420195534Sscottl 1421195534Sscottl softc = (probe_softc *)old_periph->softc; 1422195534Sscottl TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 1423195534Sscottl periph_links.tqe); 1424203108Smav softc->restart = 1; 1425195534Sscottl } else { 1426195534Sscottl status = cam_periph_alloc(proberegister, NULL, probecleanup, 1427195653Smav probestart, "aprobe", 1428195534Sscottl CAM_PERIPH_BIO, 1429195534Sscottl request_ccb->ccb_h.path, NULL, 0, 1430195534Sscottl request_ccb); 1431195534Sscottl 1432195534Sscottl if (status != CAM_REQ_CMP) { 1433195534Sscottl xpt_print(path, "xpt_scan_lun: cam_alloc_periph " 1434195534Sscottl "returned an error, can't continue probe\n"); 1435195534Sscottl request_ccb->ccb_h.status = status; 1436195534Sscottl xpt_done(request_ccb); 1437195534Sscottl } 1438195534Sscottl } 1439195534Sscottl} 1440195534Sscottl 1441195534Sscottlstatic void 1442195534Sscottlxptscandone(struct cam_periph *periph, union ccb *done_ccb) 1443195534Sscottl{ 1444195534Sscottl xpt_release_path(done_ccb->ccb_h.path); 1445195534Sscottl free(done_ccb->ccb_h.path, M_CAMXPT); 1446195534Sscottl free(done_ccb, M_CAMXPT); 1447195534Sscottl} 1448195534Sscottl 1449195534Sscottlstatic struct cam_ed * 1450195534Sscottlata_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 1451195534Sscottl{ 1452195534Sscottl struct cam_path path; 1453199178Smav struct ata_quirk_entry *quirk; 1454195534Sscottl struct cam_ed *device; 1455195534Sscottl struct cam_ed *cur_device; 1456195534Sscottl 1457195534Sscottl device = xpt_alloc_device(bus, target, lun_id); 1458195534Sscottl if (device == NULL) 1459195534Sscottl return (NULL); 1460195534Sscottl 1461195534Sscottl /* 1462195534Sscottl * Take the default quirk entry until we have inquiry 1463195534Sscottl * data and can determine a better quirk to use. 1464195534Sscottl */ 1465199178Smav quirk = &ata_quirk_table[ata_quirk_table_size - 1]; 1466195534Sscottl device->quirk = (void *)quirk; 1467199178Smav device->mintags = 0; 1468199178Smav device->maxtags = 0; 1469195534Sscottl bzero(&device->inq_data, sizeof(device->inq_data)); 1470195534Sscottl device->inq_flags = 0; 1471195534Sscottl device->queue_flags = 0; 1472195534Sscottl device->serial_num = NULL; 1473195534Sscottl device->serial_num_len = 0; 1474195534Sscottl 1475195534Sscottl /* 1476195534Sscottl * XXX should be limited by number of CCBs this bus can 1477195534Sscottl * do. 1478195534Sscottl */ 1479195534Sscottl bus->sim->max_ccbs += device->ccbq.devq_openings; 1480195534Sscottl /* Insertion sort into our target's device list */ 1481195534Sscottl cur_device = TAILQ_FIRST(&target->ed_entries); 1482195534Sscottl while (cur_device != NULL && cur_device->lun_id < lun_id) 1483195534Sscottl cur_device = TAILQ_NEXT(cur_device, links); 1484195534Sscottl if (cur_device != NULL) { 1485195534Sscottl TAILQ_INSERT_BEFORE(cur_device, device, links); 1486195534Sscottl } else { 1487195534Sscottl TAILQ_INSERT_TAIL(&target->ed_entries, device, links); 1488195534Sscottl } 1489195534Sscottl target->generation++; 1490195534Sscottl if (lun_id != CAM_LUN_WILDCARD) { 1491195534Sscottl xpt_compile_path(&path, 1492195534Sscottl NULL, 1493195534Sscottl bus->path_id, 1494195534Sscottl target->target_id, 1495195534Sscottl lun_id); 1496195534Sscottl ata_device_transport(&path); 1497195534Sscottl xpt_release_path(&path); 1498195534Sscottl } 1499195534Sscottl 1500195534Sscottl return (device); 1501195534Sscottl} 1502195534Sscottl 1503195534Sscottlstatic void 1504195534Sscottlata_device_transport(struct cam_path *path) 1505195534Sscottl{ 1506195534Sscottl struct ccb_pathinq cpi; 1507198331Smav struct ccb_trans_settings cts; 1508198331Smav struct scsi_inquiry_data *inq_buf = NULL; 1509198331Smav struct ata_params *ident_buf = NULL; 1510195534Sscottl 1511195534Sscottl /* Get transport information from the SIM */ 1512203108Smav xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1513195534Sscottl cpi.ccb_h.func_code = XPT_PATH_INQ; 1514195534Sscottl xpt_action((union ccb *)&cpi); 1515195534Sscottl 1516195534Sscottl path->device->transport = cpi.transport; 1517198331Smav if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 1518198331Smav inq_buf = &path->device->inq_data; 1519198331Smav if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) != 0) 1520198331Smav ident_buf = &path->device->ident_data; 1521198331Smav if (path->device->protocol == PROTO_ATA) { 1522198331Smav path->device->protocol_version = ident_buf ? 1523198331Smav ata_version(ident_buf->version_major) : cpi.protocol_version; 1524198331Smav } else if (path->device->protocol == PROTO_SCSI) { 1525198331Smav path->device->protocol_version = inq_buf ? 1526198331Smav SID_ANSI_REV(inq_buf) : cpi.protocol_version; 1527195534Sscottl } 1528198331Smav path->device->transport_version = ident_buf ? 1529198331Smav ata_version(ident_buf->version_major) : cpi.transport_version; 1530195534Sscottl 1531195534Sscottl /* Tell the controller what we think */ 1532203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1533195534Sscottl cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1534195534Sscottl cts.type = CTS_TYPE_CURRENT_SETTINGS; 1535195534Sscottl cts.transport = path->device->transport; 1536195534Sscottl cts.transport_version = path->device->transport_version; 1537195534Sscottl cts.protocol = path->device->protocol; 1538195534Sscottl cts.protocol_version = path->device->protocol_version; 1539195534Sscottl cts.proto_specific.valid = 0; 1540203376Smav if (ident_buf) { 1541203376Smav if (path->device->transport == XPORT_ATA) { 1542203376Smav cts.xport_specific.ata.atapi = 1543203376Smav ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16) ? 16 : 1544203376Smav ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ? 12 : 0; 1545203376Smav cts.xport_specific.ata.valid = CTS_ATA_VALID_ATAPI; 1546203376Smav } else { 1547203376Smav cts.xport_specific.sata.atapi = 1548203376Smav ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16) ? 16 : 1549203376Smav ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ? 12 : 0; 1550203376Smav cts.xport_specific.sata.valid = CTS_SATA_VALID_ATAPI; 1551203376Smav } 1552203376Smav } else 1553203376Smav cts.xport_specific.valid = 0; 1554195534Sscottl xpt_action((union ccb *)&cts); 1555195534Sscottl} 1556195534Sscottl 1557195534Sscottlstatic void 1558195534Sscottlata_action(union ccb *start_ccb) 1559195534Sscottl{ 1560195534Sscottl 1561195534Sscottl switch (start_ccb->ccb_h.func_code) { 1562195534Sscottl case XPT_SET_TRAN_SETTINGS: 1563195534Sscottl { 1564199178Smav ata_set_transfer_settings(&start_ccb->cts, 1565195534Sscottl start_ccb->ccb_h.path->device, 1566195534Sscottl /*async_update*/FALSE); 1567195534Sscottl break; 1568195534Sscottl } 1569195534Sscottl case XPT_SCAN_BUS: 1570208582Smjacob case XPT_SCAN_TGT: 1571195534Sscottl ata_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 1572195534Sscottl break; 1573195534Sscottl case XPT_SCAN_LUN: 1574195534Sscottl ata_scan_lun(start_ccb->ccb_h.path->periph, 1575195534Sscottl start_ccb->ccb_h.path, start_ccb->crcn.flags, 1576195534Sscottl start_ccb); 1577195534Sscottl break; 1578195534Sscottl case XPT_GET_TRAN_SETTINGS: 1579195534Sscottl { 1580195534Sscottl struct cam_sim *sim; 1581195534Sscottl 1582195534Sscottl sim = start_ccb->ccb_h.path->bus->sim; 1583195534Sscottl (*(sim->sim_action))(sim, start_ccb); 1584195534Sscottl break; 1585195534Sscottl } 1586203376Smav case XPT_SCSI_IO: 1587203376Smav { 1588203376Smav struct cam_ed *device; 1589203376Smav u_int maxlen = 0; 1590203376Smav 1591203376Smav device = start_ccb->ccb_h.path->device; 1592203376Smav if (device->protocol == PROTO_SCSI && 1593203376Smav (device->flags & CAM_DEV_IDENTIFY_DATA_VALID)) { 1594203376Smav uint16_t p = 1595203376Smav device->ident_data.config & ATA_PROTO_MASK; 1596203376Smav 1597203376Smav maxlen = (p == ATA_PROTO_ATAPI_16) ? 16 : 1598203376Smav (p == ATA_PROTO_ATAPI_12) ? 12 : 0; 1599203376Smav } 1600203376Smav if (start_ccb->csio.cdb_len > maxlen) { 1601203376Smav start_ccb->ccb_h.status = CAM_REQ_INVALID; 1602203376Smav xpt_done(start_ccb); 1603203376Smav break; 1604203376Smav } 1605203376Smav /* FALLTHROUGH */ 1606203376Smav } 1607195534Sscottl default: 1608195534Sscottl xpt_action_default(start_ccb); 1609195534Sscottl break; 1610195534Sscottl } 1611195534Sscottl} 1612195534Sscottl 1613195534Sscottlstatic void 1614199178Smavata_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_ed *device, 1615195534Sscottl int async_update) 1616195534Sscottl{ 1617195534Sscottl struct ccb_pathinq cpi; 1618195534Sscottl struct ccb_trans_settings cur_cts; 1619195534Sscottl struct ccb_trans_settings_scsi *scsi; 1620195534Sscottl struct ccb_trans_settings_scsi *cur_scsi; 1621195534Sscottl struct cam_sim *sim; 1622195534Sscottl struct scsi_inquiry_data *inq_data; 1623195534Sscottl 1624195534Sscottl if (device == NULL) { 1625195534Sscottl cts->ccb_h.status = CAM_PATH_INVALID; 1626195534Sscottl xpt_done((union ccb *)cts); 1627195534Sscottl return; 1628195534Sscottl } 1629195534Sscottl 1630195534Sscottl if (cts->protocol == PROTO_UNKNOWN 1631195534Sscottl || cts->protocol == PROTO_UNSPECIFIED) { 1632195534Sscottl cts->protocol = device->protocol; 1633195534Sscottl cts->protocol_version = device->protocol_version; 1634195534Sscottl } 1635195534Sscottl 1636195534Sscottl if (cts->protocol_version == PROTO_VERSION_UNKNOWN 1637195534Sscottl || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 1638195534Sscottl cts->protocol_version = device->protocol_version; 1639195534Sscottl 1640195534Sscottl if (cts->protocol != device->protocol) { 1641195534Sscottl xpt_print(cts->ccb_h.path, "Uninitialized Protocol %x:%x?\n", 1642195534Sscottl cts->protocol, device->protocol); 1643195534Sscottl cts->protocol = device->protocol; 1644195534Sscottl } 1645195534Sscottl 1646195534Sscottl if (cts->protocol_version > device->protocol_version) { 1647195534Sscottl if (bootverbose) { 1648195534Sscottl xpt_print(cts->ccb_h.path, "Down reving Protocol " 1649195534Sscottl "Version from %d to %d?\n", cts->protocol_version, 1650195534Sscottl device->protocol_version); 1651195534Sscottl } 1652195534Sscottl cts->protocol_version = device->protocol_version; 1653195534Sscottl } 1654195534Sscottl 1655195534Sscottl if (cts->transport == XPORT_UNKNOWN 1656195534Sscottl || cts->transport == XPORT_UNSPECIFIED) { 1657195534Sscottl cts->transport = device->transport; 1658195534Sscottl cts->transport_version = device->transport_version; 1659195534Sscottl } 1660195534Sscottl 1661195534Sscottl if (cts->transport_version == XPORT_VERSION_UNKNOWN 1662195534Sscottl || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 1663195534Sscottl cts->transport_version = device->transport_version; 1664195534Sscottl 1665195534Sscottl if (cts->transport != device->transport) { 1666195534Sscottl xpt_print(cts->ccb_h.path, "Uninitialized Transport %x:%x?\n", 1667195534Sscottl cts->transport, device->transport); 1668195534Sscottl cts->transport = device->transport; 1669195534Sscottl } 1670195534Sscottl 1671195534Sscottl if (cts->transport_version > device->transport_version) { 1672195534Sscottl if (bootverbose) { 1673195534Sscottl xpt_print(cts->ccb_h.path, "Down reving Transport " 1674195534Sscottl "Version from %d to %d?\n", cts->transport_version, 1675195534Sscottl device->transport_version); 1676195534Sscottl } 1677195534Sscottl cts->transport_version = device->transport_version; 1678195534Sscottl } 1679195534Sscottl 1680195534Sscottl sim = cts->ccb_h.path->bus->sim; 1681195534Sscottl 1682195534Sscottl /* 1683195534Sscottl * Nothing more of interest to do unless 1684195534Sscottl * this is a device connected via the 1685195534Sscottl * SCSI protocol. 1686195534Sscottl */ 1687195534Sscottl if (cts->protocol != PROTO_SCSI) { 1688195534Sscottl if (async_update == FALSE) 1689195534Sscottl (*(sim->sim_action))(sim, (union ccb *)cts); 1690195534Sscottl return; 1691195534Sscottl } 1692195534Sscottl 1693195534Sscottl inq_data = &device->inq_data; 1694195534Sscottl scsi = &cts->proto_specific.scsi; 1695203108Smav xpt_setup_ccb(&cpi.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 1696195534Sscottl cpi.ccb_h.func_code = XPT_PATH_INQ; 1697195534Sscottl xpt_action((union ccb *)&cpi); 1698195534Sscottl 1699195534Sscottl /* SCSI specific sanity checking */ 1700195534Sscottl if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 1701195534Sscottl || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 1702195534Sscottl || (device->queue_flags & SCP_QUEUE_DQUE) != 0 1703195534Sscottl || (device->mintags == 0)) { 1704195534Sscottl /* 1705195534Sscottl * Can't tag on hardware that doesn't support tags, 1706195534Sscottl * doesn't have it enabled, or has broken tag support. 1707195534Sscottl */ 1708195534Sscottl scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1709195534Sscottl } 1710195534Sscottl 1711195534Sscottl if (async_update == FALSE) { 1712195534Sscottl /* 1713195534Sscottl * Perform sanity checking against what the 1714195534Sscottl * controller and device can do. 1715195534Sscottl */ 1716203108Smav xpt_setup_ccb(&cur_cts.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 1717195534Sscottl cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1718195534Sscottl cur_cts.type = cts->type; 1719195534Sscottl xpt_action((union ccb *)&cur_cts); 1720195534Sscottl if ((cur_cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1721195534Sscottl return; 1722195534Sscottl } 1723195534Sscottl cur_scsi = &cur_cts.proto_specific.scsi; 1724195534Sscottl if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 1725195534Sscottl scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1726195534Sscottl scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 1727195534Sscottl } 1728195534Sscottl if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 1729195534Sscottl scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1730195534Sscottl } 1731195534Sscottl 1732195534Sscottl if (cts->type == CTS_TYPE_CURRENT_SETTINGS 1733195534Sscottl && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 1734195534Sscottl int device_tagenb; 1735195534Sscottl 1736195534Sscottl /* 1737195534Sscottl * If we are transitioning from tags to no-tags or 1738195534Sscottl * vice-versa, we need to carefully freeze and restart 1739195534Sscottl * the queue so that we don't overlap tagged and non-tagged 1740195534Sscottl * commands. We also temporarily stop tags if there is 1741195534Sscottl * a change in transfer negotiation settings to allow 1742195534Sscottl * "tag-less" negotiation. 1743195534Sscottl */ 1744195534Sscottl if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 1745195534Sscottl || (device->inq_flags & SID_CmdQue) != 0) 1746195534Sscottl device_tagenb = TRUE; 1747195534Sscottl else 1748195534Sscottl device_tagenb = FALSE; 1749195534Sscottl 1750195534Sscottl if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 1751195534Sscottl && device_tagenb == FALSE) 1752195534Sscottl || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 1753195534Sscottl && device_tagenb == TRUE)) { 1754195534Sscottl 1755195534Sscottl if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 1756195534Sscottl /* 1757195534Sscottl * Delay change to use tags until after a 1758195534Sscottl * few commands have gone to this device so 1759195534Sscottl * the controller has time to perform transfer 1760195534Sscottl * negotiations without tagged messages getting 1761195534Sscottl * in the way. 1762195534Sscottl */ 1763195534Sscottl device->tag_delay_count = CAM_TAG_DELAY_COUNT; 1764195534Sscottl device->flags |= CAM_DEV_TAG_AFTER_COUNT; 1765195534Sscottl } else { 1766199178Smav xpt_stop_tags(cts->ccb_h.path); 1767195534Sscottl } 1768195534Sscottl } 1769195534Sscottl } 1770195534Sscottl if (async_update == FALSE) 1771195534Sscottl (*(sim->sim_action))(sim, (union ccb *)cts); 1772195534Sscottl} 1773195534Sscottl 1774195534Sscottl/* 1775195534Sscottl * Handle any per-device event notifications that require action by the XPT. 1776195534Sscottl */ 1777195534Sscottlstatic void 1778195534Sscottlata_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 1779195534Sscottl struct cam_ed *device, void *async_arg) 1780195534Sscottl{ 1781195534Sscottl cam_status status; 1782195534Sscottl struct cam_path newpath; 1783195534Sscottl 1784195534Sscottl /* 1785195534Sscottl * We only need to handle events for real devices. 1786195534Sscottl */ 1787195534Sscottl if (target->target_id == CAM_TARGET_WILDCARD 1788195534Sscottl || device->lun_id == CAM_LUN_WILDCARD) 1789195534Sscottl return; 1790195534Sscottl 1791195534Sscottl /* 1792195534Sscottl * We need our own path with wildcards expanded to 1793195534Sscottl * handle certain types of events. 1794195534Sscottl */ 1795195534Sscottl if ((async_code == AC_SENT_BDR) 1796195534Sscottl || (async_code == AC_BUS_RESET) 1797195534Sscottl || (async_code == AC_INQ_CHANGED)) 1798195534Sscottl status = xpt_compile_path(&newpath, NULL, 1799195534Sscottl bus->path_id, 1800195534Sscottl target->target_id, 1801195534Sscottl device->lun_id); 1802195534Sscottl else 1803195534Sscottl status = CAM_REQ_CMP_ERR; 1804195534Sscottl 1805195534Sscottl if (status == CAM_REQ_CMP) { 1806195534Sscottl if (async_code == AC_INQ_CHANGED) { 1807195534Sscottl /* 1808195534Sscottl * We've sent a start unit command, or 1809195534Sscottl * something similar to a device that 1810195534Sscottl * may have caused its inquiry data to 1811195534Sscottl * change. So we re-scan the device to 1812195534Sscottl * refresh the inquiry data for it. 1813195534Sscottl */ 1814195534Sscottl ata_scan_lun(newpath.periph, &newpath, 1815195534Sscottl CAM_EXPECT_INQ_CHANGE, NULL); 1816203108Smav } else { 1817203108Smav /* We need to reinitialize device after reset. */ 1818203108Smav ata_scan_lun(newpath.periph, &newpath, 1819203108Smav 0, NULL); 1820195534Sscottl } 1821195534Sscottl xpt_release_path(&newpath); 1822198748Smav } else if (async_code == AC_LOST_DEVICE && 1823198748Smav (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 1824195534Sscottl device->flags |= CAM_DEV_UNCONFIGURED; 1825198748Smav xpt_release_device(device); 1826195534Sscottl } else if (async_code == AC_TRANSFER_NEG) { 1827195534Sscottl struct ccb_trans_settings *settings; 1828195534Sscottl 1829195534Sscottl settings = (struct ccb_trans_settings *)async_arg; 1830199178Smav ata_set_transfer_settings(settings, device, 1831195534Sscottl /*async_update*/TRUE); 1832195534Sscottl } 1833195534Sscottl} 1834195534Sscottl 1835204220Smavstatic void 1836204220Smavata_announce_periph(struct cam_periph *periph) 1837204220Smav{ 1838204220Smav struct ccb_pathinq cpi; 1839204220Smav struct ccb_trans_settings cts; 1840204220Smav struct cam_path *path = periph->path; 1841204220Smav u_int speed; 1842204220Smav u_int mb; 1843204220Smav 1844204220Smav mtx_assert(periph->sim->mtx, MA_OWNED); 1845204220Smav 1846204220Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 1847204220Smav cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1848204220Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 1849204220Smav xpt_action((union ccb*)&cts); 1850204220Smav if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 1851204220Smav return; 1852204220Smav /* Ask the SIM for its base transfer speed */ 1853204220Smav xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 1854204220Smav cpi.ccb_h.func_code = XPT_PATH_INQ; 1855204220Smav xpt_action((union ccb *)&cpi); 1856204220Smav /* Report connection speed */ 1857204220Smav speed = cpi.base_transfer_speed; 1858204220Smav if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_ATA) { 1859204220Smav struct ccb_trans_settings_ata *ata = 1860204220Smav &cts.xport_specific.ata; 1861204220Smav 1862204220Smav if (ata->valid & CTS_ATA_VALID_MODE) 1863204220Smav speed = ata_mode2speed(ata->mode); 1864204220Smav } 1865204220Smav if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SATA) { 1866204220Smav struct ccb_trans_settings_sata *sata = 1867204220Smav &cts.xport_specific.sata; 1868204220Smav 1869204220Smav if (sata->valid & CTS_SATA_VALID_REVISION) 1870204220Smav speed = ata_revision2speed(sata->revision); 1871204220Smav } 1872204220Smav mb = speed / 1000; 1873204220Smav if (mb > 0) 1874204220Smav printf("%s%d: %d.%03dMB/s transfers", 1875204220Smav periph->periph_name, periph->unit_number, 1876204220Smav mb, speed % 1000); 1877204220Smav else 1878204220Smav printf("%s%d: %dKB/s transfers", periph->periph_name, 1879204220Smav periph->unit_number, speed); 1880204220Smav /* Report additional information about connection */ 1881204220Smav if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_ATA) { 1882204220Smav struct ccb_trans_settings_ata *ata = 1883204220Smav &cts.xport_specific.ata; 1884204220Smav 1885204220Smav printf(" ("); 1886204220Smav if (ata->valid & CTS_ATA_VALID_MODE) 1887204220Smav printf("%s, ", ata_mode2string(ata->mode)); 1888204220Smav if ((ata->valid & CTS_ATA_VALID_ATAPI) && ata->atapi != 0) 1889204220Smav printf("ATAPI %dbytes, ", ata->atapi); 1890204220Smav if (ata->valid & CTS_ATA_VALID_BYTECOUNT) 1891204220Smav printf("PIO %dbytes", ata->bytecount); 1892204220Smav printf(")"); 1893204220Smav } 1894204220Smav if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SATA) { 1895204220Smav struct ccb_trans_settings_sata *sata = 1896204220Smav &cts.xport_specific.sata; 1897204220Smav 1898204220Smav printf(" ("); 1899204220Smav if (sata->valid & CTS_SATA_VALID_REVISION) 1900204220Smav printf("SATA %d.x, ", sata->revision); 1901204220Smav else 1902204220Smav printf("SATA, "); 1903204220Smav if (sata->valid & CTS_SATA_VALID_MODE) 1904204220Smav printf("%s, ", ata_mode2string(sata->mode)); 1905204220Smav if ((sata->valid & CTS_ATA_VALID_ATAPI) && sata->atapi != 0) 1906204220Smav printf("ATAPI %dbytes, ", sata->atapi); 1907204220Smav if (sata->valid & CTS_SATA_VALID_BYTECOUNT) 1908204220Smav printf("PIO %dbytes", sata->bytecount); 1909204220Smav printf(")"); 1910204220Smav } 1911204220Smav printf("\n"); 1912204220Smav} 1913204220Smav 1914