ata_xpt.c revision 203421
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 203421 2010-02-03 10:06:03Z 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#ifdef PC98 48195534Sscottl#include <pc98/pc98/pc98_machdep.h> /* geometry translation */ 49195534Sscottl#endif 50195534Sscottl 51195534Sscottl#include <cam/cam.h> 52195534Sscottl#include <cam/cam_ccb.h> 53195534Sscottl#include <cam/cam_queue.h> 54195534Sscottl#include <cam/cam_periph.h> 55195534Sscottl#include <cam/cam_sim.h> 56195534Sscottl#include <cam/cam_xpt.h> 57195534Sscottl#include <cam/cam_xpt_sim.h> 58195534Sscottl#include <cam/cam_xpt_periph.h> 59195534Sscottl#include <cam/cam_xpt_internal.h> 60195534Sscottl#include <cam/cam_debug.h> 61195534Sscottl 62195534Sscottl#include <cam/scsi/scsi_all.h> 63195534Sscottl#include <cam/scsi/scsi_message.h> 64195534Sscottl#include <cam/ata/ata_all.h> 65195534Sscottl#include <machine/stdarg.h> /* for xpt_print below */ 66195534Sscottl#include "opt_cam.h" 67195534Sscottl 68199178Smavstruct ata_quirk_entry { 69195534Sscottl struct scsi_inquiry_pattern inq_pat; 70195534Sscottl u_int8_t quirks; 71199178Smav#define CAM_QUIRK_MAXTAGS 0x01 72195534Sscottl u_int maxtags; 73195534Sscottl}; 74195534Sscottl 75195534Sscottlstatic periph_init_t probe_periph_init; 76195534Sscottl 77195534Sscottlstatic struct periph_driver probe_driver = 78195534Sscottl{ 79195653Smav probe_periph_init, "aprobe", 80198708Smav TAILQ_HEAD_INITIALIZER(probe_driver.units), /* generation */ 0, 81198708Smav CAM_PERIPH_DRV_EARLY 82195534Sscottl}; 83195534Sscottl 84195653SmavPERIPHDRIVER_DECLARE(aprobe, probe_driver); 85195534Sscottl 86195534Sscottltypedef enum { 87195534Sscottl PROBE_RESET, 88195534Sscottl PROBE_IDENTIFY, 89203421Smav PROBE_SPINUP, 90195534Sscottl PROBE_SETMODE, 91198708Smav PROBE_SET_MULTI, 92195534Sscottl PROBE_INQUIRY, 93195534Sscottl PROBE_FULL_INQUIRY, 94195534Sscottl PROBE_PM_PID, 95195534Sscottl PROBE_PM_PRV, 96195534Sscottl PROBE_INVALID 97195534Sscottl} probe_action; 98195534Sscottl 99195534Sscottlstatic char *probe_action_text[] = { 100195534Sscottl "PROBE_RESET", 101195534Sscottl "PROBE_IDENTIFY", 102203421Smav "PROBE_SPINUP", 103195534Sscottl "PROBE_SETMODE", 104198708Smav "PROBE_SET_MULTI", 105195534Sscottl "PROBE_INQUIRY", 106195534Sscottl "PROBE_FULL_INQUIRY", 107195534Sscottl "PROBE_PM_PID", 108195534Sscottl "PROBE_PM_PRV", 109195534Sscottl "PROBE_INVALID" 110195534Sscottl}; 111195534Sscottl 112195534Sscottl#define PROBE_SET_ACTION(softc, newaction) \ 113195534Sscottldo { \ 114195534Sscottl char **text; \ 115195534Sscottl text = probe_action_text; \ 116195534Sscottl CAM_DEBUG((softc)->periph->path, CAM_DEBUG_INFO, \ 117195534Sscottl ("Probe %s to %s\n", text[(softc)->action], \ 118195534Sscottl text[(newaction)])); \ 119195534Sscottl (softc)->action = (newaction); \ 120195534Sscottl} while(0) 121195534Sscottl 122195534Sscottltypedef enum { 123195534Sscottl PROBE_NO_ANNOUNCE = 0x04 124195534Sscottl} probe_flags; 125195534Sscottl 126195534Sscottltypedef struct { 127195534Sscottl TAILQ_HEAD(, ccb_hdr) request_ccbs; 128203385Smav struct ata_params ident_data; 129195534Sscottl probe_action action; 130195534Sscottl probe_flags flags; 131195534Sscottl uint32_t pm_pid; 132195534Sscottl uint32_t pm_prv; 133203108Smav int restart; 134203421Smav int spinup; 135195534Sscottl struct cam_periph *periph; 136195534Sscottl} probe_softc; 137195534Sscottl 138199178Smavstatic struct ata_quirk_entry ata_quirk_table[] = 139195534Sscottl{ 140195534Sscottl { 141195534Sscottl /* Default tagged queuing parameters for all devices */ 142195534Sscottl { 143195534Sscottl T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 144195534Sscottl /*vendor*/"*", /*product*/"*", /*revision*/"*" 145195534Sscottl }, 146199178Smav /*quirks*/0, /*maxtags*/0 147195534Sscottl }, 148195534Sscottl}; 149195534Sscottl 150199178Smavstatic const int ata_quirk_table_size = 151199178Smav sizeof(ata_quirk_table) / sizeof(*ata_quirk_table); 152195534Sscottl 153195534Sscottlstatic cam_status proberegister(struct cam_periph *periph, 154195534Sscottl void *arg); 155195534Sscottlstatic void probeschedule(struct cam_periph *probe_periph); 156195534Sscottlstatic void probestart(struct cam_periph *periph, union ccb *start_ccb); 157195534Sscottl//static void proberequestdefaultnegotiation(struct cam_periph *periph); 158195534Sscottl//static int proberequestbackoff(struct cam_periph *periph, 159195534Sscottl// struct cam_ed *device); 160195534Sscottlstatic void probedone(struct cam_periph *periph, union ccb *done_ccb); 161195534Sscottlstatic void probecleanup(struct cam_periph *periph); 162199178Smavstatic void ata_find_quirk(struct cam_ed *device); 163195534Sscottlstatic void ata_scan_bus(struct cam_periph *periph, union ccb *ccb); 164195534Sscottlstatic void ata_scan_lun(struct cam_periph *periph, 165195534Sscottl struct cam_path *path, cam_flags flags, 166195534Sscottl union ccb *ccb); 167195534Sscottlstatic void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 168195534Sscottlstatic struct cam_ed * 169195534Sscottl ata_alloc_device(struct cam_eb *bus, struct cam_et *target, 170195534Sscottl lun_id_t lun_id); 171195534Sscottlstatic void ata_device_transport(struct cam_path *path); 172199178Smavstatic void ata_set_transfer_settings(struct ccb_trans_settings *cts, 173195534Sscottl struct cam_ed *device, 174195534Sscottl int async_update); 175195534Sscottlstatic void ata_dev_async(u_int32_t async_code, 176195534Sscottl struct cam_eb *bus, 177195534Sscottl struct cam_et *target, 178195534Sscottl struct cam_ed *device, 179195534Sscottl void *async_arg); 180195534Sscottlstatic void ata_action(union ccb *start_ccb); 181195534Sscottl 182195534Sscottlstatic struct xpt_xport ata_xport = { 183195534Sscottl .alloc_device = ata_alloc_device, 184195534Sscottl .action = ata_action, 185195534Sscottl .async = ata_dev_async, 186195534Sscottl}; 187195534Sscottl 188195534Sscottlstruct xpt_xport * 189195534Sscottlata_get_xport(void) 190195534Sscottl{ 191195534Sscottl return (&ata_xport); 192195534Sscottl} 193195534Sscottl 194195534Sscottlstatic void 195195534Sscottlprobe_periph_init() 196195534Sscottl{ 197195534Sscottl} 198195534Sscottl 199195534Sscottlstatic cam_status 200195534Sscottlproberegister(struct cam_periph *periph, void *arg) 201195534Sscottl{ 202195534Sscottl union ccb *request_ccb; /* CCB representing the probe request */ 203195534Sscottl cam_status status; 204195534Sscottl probe_softc *softc; 205195534Sscottl 206195534Sscottl request_ccb = (union ccb *)arg; 207195534Sscottl if (periph == NULL) { 208195534Sscottl printf("proberegister: periph was NULL!!\n"); 209195534Sscottl return(CAM_REQ_CMP_ERR); 210195534Sscottl } 211195534Sscottl 212195534Sscottl if (request_ccb == NULL) { 213195534Sscottl printf("proberegister: no probe CCB, " 214195534Sscottl "can't register device\n"); 215195534Sscottl return(CAM_REQ_CMP_ERR); 216195534Sscottl } 217195534Sscottl 218203421Smav softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_ZERO | M_NOWAIT); 219195534Sscottl 220195534Sscottl if (softc == NULL) { 221195534Sscottl printf("proberegister: Unable to probe new device. " 222195534Sscottl "Unable to allocate softc\n"); 223195534Sscottl return(CAM_REQ_CMP_ERR); 224195534Sscottl } 225195534Sscottl TAILQ_INIT(&softc->request_ccbs); 226195534Sscottl TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 227195534Sscottl periph_links.tqe); 228195534Sscottl softc->flags = 0; 229195534Sscottl periph->softc = softc; 230195534Sscottl softc->periph = periph; 231195534Sscottl softc->action = PROBE_INVALID; 232195534Sscottl status = cam_periph_acquire(periph); 233195534Sscottl if (status != CAM_REQ_CMP) { 234195534Sscottl return (status); 235195534Sscottl } 236195534Sscottl /* 237203108Smav * Ensure nobody slip in until probe finish. 238195534Sscottl */ 239203108Smav cam_freeze_devq_arg(periph->path, 240203108Smav RELSIM_RELEASE_RUNLEVEL, CAM_RL_XPT + 1); 241195534Sscottl probeschedule(periph); 242195534Sscottl return(CAM_REQ_CMP); 243195534Sscottl} 244195534Sscottl 245195534Sscottlstatic void 246195534Sscottlprobeschedule(struct cam_periph *periph) 247195534Sscottl{ 248195534Sscottl union ccb *ccb; 249195534Sscottl probe_softc *softc; 250195534Sscottl 251195534Sscottl softc = (probe_softc *)periph->softc; 252195534Sscottl ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 253195534Sscottl 254198389Smav if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) || 255198389Smav periph->path->device->protocol == PROTO_SATAPM) 256195534Sscottl PROBE_SET_ACTION(softc, PROBE_RESET); 257195534Sscottl else 258195534Sscottl PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 259195534Sscottl 260195534Sscottl if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 261195534Sscottl softc->flags |= PROBE_NO_ANNOUNCE; 262195534Sscottl else 263195534Sscottl softc->flags &= ~PROBE_NO_ANNOUNCE; 264195534Sscottl 265203108Smav xpt_schedule(periph, CAM_PRIORITY_XPT); 266195534Sscottl} 267195534Sscottl 268195534Sscottlstatic void 269195534Sscottlprobestart(struct cam_periph *periph, union ccb *start_ccb) 270195534Sscottl{ 271199747Smav struct ccb_trans_settings cts; 272195534Sscottl struct ccb_ataio *ataio; 273195534Sscottl struct ccb_scsiio *csio; 274195534Sscottl probe_softc *softc; 275198708Smav struct cam_path *path; 276198708Smav struct ata_params *ident_buf; 277195534Sscottl 278195534Sscottl CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 279195534Sscottl 280195534Sscottl softc = (probe_softc *)periph->softc; 281198708Smav path = start_ccb->ccb_h.path; 282195534Sscottl ataio = &start_ccb->ataio; 283195534Sscottl csio = &start_ccb->csio; 284198708Smav ident_buf = &periph->path->device->ident_data; 285195534Sscottl 286203108Smav if (softc->restart) { 287203108Smav softc->restart = 0; 288203108Smav if ((path->device->flags & CAM_DEV_UNCONFIGURED) || 289203108Smav path->device->protocol == PROTO_SATAPM) 290203108Smav softc->action = PROBE_RESET; 291203108Smav else 292203108Smav softc->action = PROBE_IDENTIFY; 293203108Smav } 294195534Sscottl switch (softc->action) { 295195534Sscottl case PROBE_RESET: 296195534Sscottl cam_fill_ataio(ataio, 297195534Sscottl 0, 298195534Sscottl probedone, 299195534Sscottl /*flags*/CAM_DIR_NONE, 300198389Smav 0, 301195534Sscottl /*data_ptr*/NULL, 302195534Sscottl /*dxfer_len*/0, 303203108Smav 15 * 1000); 304195534Sscottl ata_reset_cmd(ataio); 305195534Sscottl break; 306195534Sscottl case PROBE_IDENTIFY: 307195534Sscottl cam_fill_ataio(ataio, 308195534Sscottl 1, 309195534Sscottl probedone, 310195534Sscottl /*flags*/CAM_DIR_IN, 311198389Smav 0, 312203385Smav /*data_ptr*/(u_int8_t *)&softc->ident_data, 313203385Smav /*dxfer_len*/sizeof(softc->ident_data), 314195534Sscottl 30 * 1000); 315195534Sscottl if (periph->path->device->protocol == PROTO_ATA) 316196659Smav ata_28bit_cmd(ataio, ATA_ATA_IDENTIFY, 0, 0, 0); 317195534Sscottl else 318196659Smav ata_28bit_cmd(ataio, ATA_ATAPI_IDENTIFY, 0, 0, 0); 319195534Sscottl break; 320203421Smav case PROBE_SPINUP: 321203421Smav if (bootverbose) 322203421Smav xpt_print(path, "Spinning up device\n"); 323203421Smav cam_fill_ataio(ataio, 324203421Smav 1, 325203421Smav probedone, 326203421Smav /*flags*/CAM_DIR_NONE | CAM_HIGH_POWER, 327203421Smav 0, 328203421Smav /*data_ptr*/NULL, 329203421Smav /*dxfer_len*/0, 330203421Smav 30 * 1000); 331203421Smav ata_28bit_cmd(ataio, ATA_SETFEATURES, ATA_SF_PUIS_SPINUP, 0, 0); 332203421Smav break; 333195534Sscottl case PROBE_SETMODE: 334199747Smav { 335199747Smav int mode, wantmode; 336199747Smav 337199747Smav mode = 0; 338199747Smav /* Fetch user modes from SIM. */ 339199747Smav bzero(&cts, sizeof(cts)); 340203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 341199747Smav cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 342199747Smav cts.type = CTS_TYPE_USER_SETTINGS; 343199747Smav xpt_action((union ccb *)&cts); 344199747Smav if (path->device->transport == XPORT_ATA) { 345199747Smav if (cts.xport_specific.ata.valid & CTS_ATA_VALID_MODE) 346199747Smav mode = cts.xport_specific.ata.mode; 347199747Smav } else { 348199799Smav if (cts.xport_specific.sata.valid & CTS_SATA_VALID_MODE) 349199747Smav mode = cts.xport_specific.sata.mode; 350199747Smav } 351199747Smavnegotiate: 352199747Smav /* Honor device capabilities. */ 353199747Smav wantmode = mode = ata_max_mode(ident_buf, mode); 354199747Smav /* Report modes to SIM. */ 355199747Smav bzero(&cts, sizeof(cts)); 356203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 357199747Smav cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 358199747Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 359199747Smav if (path->device->transport == XPORT_ATA) { 360199747Smav cts.xport_specific.ata.mode = mode; 361199747Smav cts.xport_specific.ata.valid = CTS_ATA_VALID_MODE; 362199747Smav } else { 363199747Smav cts.xport_specific.sata.mode = mode; 364199747Smav cts.xport_specific.sata.valid = CTS_SATA_VALID_MODE; 365199747Smav } 366199747Smav xpt_action((union ccb *)&cts); 367200171Smav /* Fetch current modes from SIM. */ 368199747Smav bzero(&cts, sizeof(cts)); 369203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 370199747Smav cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 371199747Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 372199747Smav xpt_action((union ccb *)&cts); 373199747Smav if (path->device->transport == XPORT_ATA) { 374199747Smav if (cts.xport_specific.ata.valid & CTS_ATA_VALID_MODE) 375199747Smav mode = cts.xport_specific.ata.mode; 376199747Smav } else { 377199747Smav if (cts.xport_specific.ata.valid & CTS_SATA_VALID_MODE) 378199747Smav mode = cts.xport_specific.sata.mode; 379199747Smav } 380199747Smav /* If SIM disagree - renegotiate. */ 381199747Smav if (mode != wantmode) 382199747Smav goto negotiate; 383195534Sscottl cam_fill_ataio(ataio, 384195534Sscottl 1, 385195534Sscottl probedone, 386196353Smav /*flags*/CAM_DIR_NONE, 387196353Smav 0, 388196353Smav /*data_ptr*/NULL, 389196353Smav /*dxfer_len*/0, 390195534Sscottl 30 * 1000); 391199747Smav ata_28bit_cmd(ataio, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode); 392195534Sscottl break; 393199747Smav } 394198708Smav case PROBE_SET_MULTI: 395198708Smav { 396200171Smav u_int sectors, bytecount; 397198708Smav 398200171Smav bytecount = 8192; /* SATA maximum */ 399200171Smav /* Fetch user bytecount from SIM. */ 400200171Smav bzero(&cts, sizeof(cts)); 401203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 402200171Smav cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 403200171Smav cts.type = CTS_TYPE_USER_SETTINGS; 404200171Smav xpt_action((union ccb *)&cts); 405200171Smav if (path->device->transport == XPORT_ATA) { 406200171Smav if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 407200171Smav bytecount = cts.xport_specific.ata.bytecount; 408200171Smav } else { 409200171Smav if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 410200171Smav bytecount = cts.xport_specific.sata.bytecount; 411200171Smav } 412200171Smav /* Honor device capabilities. */ 413200171Smav sectors = max(1, min(ident_buf->sectors_intr & 0xff, 414200171Smav bytecount / ata_logical_sector_size(ident_buf))); 415198708Smav /* Report bytecount to SIM. */ 416198708Smav bzero(&cts, sizeof(cts)); 417203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 418198708Smav cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 419198708Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 420198708Smav if (path->device->transport == XPORT_ATA) { 421198897Smav cts.xport_specific.ata.bytecount = sectors * 422198897Smav ata_logical_sector_size(ident_buf); 423198708Smav cts.xport_specific.ata.valid = CTS_ATA_VALID_BYTECOUNT; 424198708Smav } else { 425198897Smav cts.xport_specific.sata.bytecount = sectors * 426198897Smav ata_logical_sector_size(ident_buf); 427198708Smav cts.xport_specific.sata.valid = CTS_SATA_VALID_BYTECOUNT; 428198708Smav } 429198708Smav xpt_action((union ccb *)&cts); 430200171Smav /* Fetch current bytecount from SIM. */ 431200171Smav bzero(&cts, sizeof(cts)); 432203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 433200171Smav cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 434200171Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 435200171Smav xpt_action((union ccb *)&cts); 436200171Smav if (path->device->transport == XPORT_ATA) { 437200171Smav if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 438200171Smav bytecount = cts.xport_specific.ata.bytecount; 439200171Smav } else { 440200171Smav if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 441200171Smav bytecount = cts.xport_specific.sata.bytecount; 442200171Smav } 443200171Smav sectors = bytecount / ata_logical_sector_size(ident_buf); 444198708Smav 445198708Smav cam_fill_ataio(ataio, 446198708Smav 1, 447198708Smav probedone, 448198708Smav CAM_DIR_NONE, 449198708Smav 0, 450198708Smav NULL, 451198708Smav 0, 452198708Smav 30*1000); 453198708Smav ata_28bit_cmd(ataio, ATA_SET_MULTI, 0, 0, sectors); 454198708Smav break; 455195534Sscottl } 456195534Sscottl case PROBE_INQUIRY: 457200171Smav { 458200171Smav u_int bytecount; 459200171Smav 460200171Smav bytecount = 8192; /* SATA maximum */ 461200171Smav /* Fetch user bytecount from SIM. */ 462200171Smav bzero(&cts, sizeof(cts)); 463203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 464200171Smav cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 465200171Smav cts.type = CTS_TYPE_USER_SETTINGS; 466200171Smav xpt_action((union ccb *)&cts); 467200171Smav if (path->device->transport == XPORT_ATA) { 468200171Smav if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 469200171Smav bytecount = cts.xport_specific.ata.bytecount; 470200171Smav } else { 471200171Smav if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 472200171Smav bytecount = cts.xport_specific.sata.bytecount; 473200171Smav } 474200171Smav /* Honor device capabilities. */ 475200171Smav bytecount &= ~1; 476200171Smav bytecount = max(2, min(65534, bytecount)); 477200171Smav if (ident_buf->satacapabilities != 0x0000 && 478200171Smav ident_buf->satacapabilities != 0xffff) { 479200171Smav bytecount = min(8192, bytecount); 480200171Smav } 481200171Smav /* Report bytecount to SIM. */ 482200171Smav bzero(&cts, sizeof(cts)); 483203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 484200171Smav cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 485200171Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 486200171Smav if (path->device->transport == XPORT_ATA) { 487200171Smav cts.xport_specific.ata.bytecount = bytecount; 488200171Smav cts.xport_specific.ata.valid = CTS_ATA_VALID_BYTECOUNT; 489200171Smav } else { 490200171Smav cts.xport_specific.sata.bytecount = bytecount; 491200171Smav cts.xport_specific.sata.valid = CTS_SATA_VALID_BYTECOUNT; 492200171Smav } 493200171Smav xpt_action((union ccb *)&cts); 494200171Smav /* FALLTHROUGH */ 495200171Smav } 496195534Sscottl case PROBE_FULL_INQUIRY: 497195534Sscottl { 498195534Sscottl u_int inquiry_len; 499195534Sscottl struct scsi_inquiry_data *inq_buf = 500195534Sscottl &periph->path->device->inq_data; 501195534Sscottl 502195534Sscottl if (softc->action == PROBE_INQUIRY) 503195534Sscottl inquiry_len = SHORT_INQUIRY_LENGTH; 504195534Sscottl else 505195534Sscottl inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 506195534Sscottl /* 507195534Sscottl * Some parallel SCSI devices fail to send an 508195534Sscottl * ignore wide residue message when dealing with 509195534Sscottl * odd length inquiry requests. Round up to be 510195534Sscottl * safe. 511195534Sscottl */ 512195534Sscottl inquiry_len = roundup2(inquiry_len, 2); 513195534Sscottl scsi_inquiry(csio, 514195534Sscottl /*retries*/1, 515195534Sscottl probedone, 516195534Sscottl MSG_SIMPLE_Q_TAG, 517195534Sscottl (u_int8_t *)inq_buf, 518195534Sscottl inquiry_len, 519195534Sscottl /*evpd*/FALSE, 520195534Sscottl /*page_code*/0, 521195534Sscottl SSD_MIN_SIZE, 522195534Sscottl /*timeout*/60 * 1000); 523195534Sscottl break; 524195534Sscottl } 525195534Sscottl case PROBE_PM_PID: 526195534Sscottl cam_fill_ataio(ataio, 527195534Sscottl 1, 528195534Sscottl probedone, 529195534Sscottl /*flags*/CAM_DIR_NONE, 530198389Smav 0, 531195534Sscottl /*data_ptr*/NULL, 532195534Sscottl /*dxfer_len*/0, 533195534Sscottl 10 * 1000); 534195534Sscottl ata_pm_read_cmd(ataio, 0, 15); 535195534Sscottl break; 536195534Sscottl case PROBE_PM_PRV: 537195534Sscottl cam_fill_ataio(ataio, 538195534Sscottl 1, 539195534Sscottl probedone, 540195534Sscottl /*flags*/CAM_DIR_NONE, 541198389Smav 0, 542195534Sscottl /*data_ptr*/NULL, 543195534Sscottl /*dxfer_len*/0, 544195534Sscottl 10 * 1000); 545195534Sscottl ata_pm_read_cmd(ataio, 1, 15); 546195534Sscottl break; 547195534Sscottl case PROBE_INVALID: 548198708Smav CAM_DEBUG(path, CAM_DEBUG_INFO, 549195534Sscottl ("probestart: invalid action state\n")); 550195534Sscottl default: 551195534Sscottl break; 552195534Sscottl } 553195534Sscottl xpt_action(start_ccb); 554195534Sscottl} 555195534Sscottl#if 0 556195534Sscottlstatic void 557195534Sscottlproberequestdefaultnegotiation(struct cam_periph *periph) 558195534Sscottl{ 559195534Sscottl struct ccb_trans_settings cts; 560195534Sscottl 561203108Smav xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 562195534Sscottl cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 563195534Sscottl cts.type = CTS_TYPE_USER_SETTINGS; 564195534Sscottl xpt_action((union ccb *)&cts); 565195534Sscottl if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 566195534Sscottl return; 567195534Sscottl } 568195534Sscottl cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 569195534Sscottl cts.type = CTS_TYPE_CURRENT_SETTINGS; 570195534Sscottl xpt_action((union ccb *)&cts); 571195534Sscottl} 572195534Sscottl 573195534Sscottl/* 574195534Sscottl * Backoff Negotiation Code- only pertinent for SPI devices. 575195534Sscottl */ 576195534Sscottlstatic int 577195534Sscottlproberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 578195534Sscottl{ 579195534Sscottl struct ccb_trans_settings cts; 580195534Sscottl struct ccb_trans_settings_spi *spi; 581195534Sscottl 582195534Sscottl memset(&cts, 0, sizeof (cts)); 583203108Smav xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 584195534Sscottl cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 585195534Sscottl cts.type = CTS_TYPE_CURRENT_SETTINGS; 586195534Sscottl xpt_action((union ccb *)&cts); 587195534Sscottl if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 588195534Sscottl if (bootverbose) { 589195534Sscottl xpt_print(periph->path, 590195534Sscottl "failed to get current device settings\n"); 591195534Sscottl } 592195534Sscottl return (0); 593195534Sscottl } 594195534Sscottl if (cts.transport != XPORT_SPI) { 595195534Sscottl if (bootverbose) { 596195534Sscottl xpt_print(periph->path, "not SPI transport\n"); 597195534Sscottl } 598195534Sscottl return (0); 599195534Sscottl } 600195534Sscottl spi = &cts.xport_specific.spi; 601195534Sscottl 602195534Sscottl /* 603195534Sscottl * We cannot renegotiate sync rate if we don't have one. 604195534Sscottl */ 605195534Sscottl if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 606195534Sscottl if (bootverbose) { 607195534Sscottl xpt_print(periph->path, "no sync rate known\n"); 608195534Sscottl } 609195534Sscottl return (0); 610195534Sscottl } 611195534Sscottl 612195534Sscottl /* 613195534Sscottl * We'll assert that we don't have to touch PPR options- the 614195534Sscottl * SIM will see what we do with period and offset and adjust 615195534Sscottl * the PPR options as appropriate. 616195534Sscottl */ 617195534Sscottl 618195534Sscottl /* 619195534Sscottl * A sync rate with unknown or zero offset is nonsensical. 620195534Sscottl * A sync period of zero means Async. 621195534Sscottl */ 622195534Sscottl if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 623195534Sscottl || spi->sync_offset == 0 || spi->sync_period == 0) { 624195534Sscottl if (bootverbose) { 625195534Sscottl xpt_print(periph->path, "no sync rate available\n"); 626195534Sscottl } 627195534Sscottl return (0); 628195534Sscottl } 629195534Sscottl 630195534Sscottl if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 631195534Sscottl CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 632195534Sscottl ("hit async: giving up on DV\n")); 633195534Sscottl return (0); 634195534Sscottl } 635195534Sscottl 636195534Sscottl 637195534Sscottl /* 638195534Sscottl * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 639195534Sscottl * We don't try to remember 'last' settings to see if the SIM actually 640195534Sscottl * gets into the speed we want to set. We check on the SIM telling 641195534Sscottl * us that a requested speed is bad, but otherwise don't try and 642195534Sscottl * check the speed due to the asynchronous and handshake nature 643195534Sscottl * of speed setting. 644195534Sscottl */ 645195534Sscottl spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 646195534Sscottl for (;;) { 647195534Sscottl spi->sync_period++; 648195534Sscottl if (spi->sync_period >= 0xf) { 649195534Sscottl spi->sync_period = 0; 650195534Sscottl spi->sync_offset = 0; 651195534Sscottl CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 652195534Sscottl ("setting to async for DV\n")); 653195534Sscottl /* 654195534Sscottl * Once we hit async, we don't want to try 655195534Sscottl * any more settings. 656195534Sscottl */ 657195534Sscottl device->flags |= CAM_DEV_DV_HIT_BOTTOM; 658195534Sscottl } else if (bootverbose) { 659195534Sscottl CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 660195534Sscottl ("DV: period 0x%x\n", spi->sync_period)); 661195534Sscottl printf("setting period to 0x%x\n", spi->sync_period); 662195534Sscottl } 663195534Sscottl cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 664195534Sscottl cts.type = CTS_TYPE_CURRENT_SETTINGS; 665195534Sscottl xpt_action((union ccb *)&cts); 666195534Sscottl if ((cts.ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 667195534Sscottl break; 668195534Sscottl } 669195534Sscottl CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 670195534Sscottl ("DV: failed to set period 0x%x\n", spi->sync_period)); 671195534Sscottl if (spi->sync_period == 0) { 672195534Sscottl return (0); 673195534Sscottl } 674195534Sscottl } 675195534Sscottl return (1); 676195534Sscottl} 677195534Sscottl#endif 678195534Sscottlstatic void 679195534Sscottlprobedone(struct cam_periph *periph, union ccb *done_ccb) 680195534Sscottl{ 681199747Smav struct ccb_trans_settings cts; 682195534Sscottl struct ata_params *ident_buf; 683195534Sscottl probe_softc *softc; 684195534Sscottl struct cam_path *path; 685195534Sscottl u_int32_t priority; 686198389Smav int found = 1; 687195534Sscottl 688195534Sscottl CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 689195534Sscottl 690195534Sscottl softc = (probe_softc *)periph->softc; 691195534Sscottl path = done_ccb->ccb_h.path; 692195534Sscottl priority = done_ccb->ccb_h.pinfo.priority; 693195534Sscottl ident_buf = &path->device->ident_data; 694195534Sscottl 695198708Smav if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 696203385Smavdevice_fail: if (cam_periph_error(done_ccb, 0, 0, NULL) == ERESTART) { 697195534Sscottl return; 698195534Sscottl } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 699195534Sscottl /* Don't wedge the queue */ 700195534Sscottl xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 701195534Sscottl /*run_queue*/TRUE); 702195534Sscottl } 703198708Smav /* Old PIO2 devices may not support mode setting. */ 704198708Smav if (softc->action == PROBE_SETMODE && 705198708Smav ata_max_pmode(ident_buf) <= ATA_PIO2 && 706198708Smav (ident_buf->capabilities1 & ATA_SUPPORT_IORDY) == 0) 707198708Smav goto noerror; 708198708Smav /* 709198708Smav * If we get to this point, we got an error status back 710198708Smav * from the inquiry and the error status doesn't require 711198708Smav * automatically retrying the command. Therefore, the 712198708Smav * inquiry failed. If we had inquiry information before 713198708Smav * for this device, but this latest inquiry command failed, 714198708Smav * the device has probably gone away. If this device isn't 715198708Smav * already marked unconfigured, notify the peripheral 716198708Smav * drivers that this device is no more. 717198708Smav */ 718198708Smav if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 719198708Smav xpt_async(AC_LOST_DEVICE, path, NULL); 720198708Smav found = 0; 721198708Smav goto done; 722198708Smav } 723198708Smavnoerror: 724203385Smav if (softc->restart) 725203385Smav goto done; 726198708Smav switch (softc->action) { 727198708Smav case PROBE_RESET: 728195534Sscottl { 729198708Smav int sign = (done_ccb->ataio.res.lba_high << 8) + 730198708Smav done_ccb->ataio.res.lba_mid; 731200218Smav if (bootverbose) 732200218Smav xpt_print(path, "SIGNATURE: %04x\n", sign); 733198708Smav if (sign == 0x0000 && 734198708Smav done_ccb->ccb_h.target_id != 15) { 735198708Smav path->device->protocol = PROTO_ATA; 736198708Smav PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 737198708Smav } else if (sign == 0x9669 && 738198708Smav done_ccb->ccb_h.target_id == 15) { 739199747Smav /* Report SIM that PM is present. */ 740198708Smav bzero(&cts, sizeof(cts)); 741203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 742198708Smav cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 743198708Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 744198708Smav cts.xport_specific.sata.pm_present = 1; 745198708Smav cts.xport_specific.sata.valid = CTS_SATA_VALID_PM; 746198708Smav xpt_action((union ccb *)&cts); 747198708Smav path->device->protocol = PROTO_SATAPM; 748198708Smav PROBE_SET_ACTION(softc, PROBE_PM_PID); 749198708Smav } else if (sign == 0xeb14 && 750198708Smav done_ccb->ccb_h.target_id != 15) { 751198708Smav path->device->protocol = PROTO_SCSI; 752198708Smav PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 753198708Smav } else { 754198708Smav if (done_ccb->ccb_h.target_id != 15) { 755198708Smav xpt_print(path, 756198708Smav "Unexpected signature 0x%04x\n", sign); 757195534Sscottl } 758198708Smav goto device_fail; 759198708Smav } 760198708Smav xpt_release_ccb(done_ccb); 761198708Smav xpt_schedule(periph, priority); 762198708Smav return; 763198708Smav } 764198708Smav case PROBE_IDENTIFY: 765198708Smav { 766198708Smav int16_t *ptr; 767195534Sscottl 768203385Smav ident_buf = &softc->ident_data; 769198708Smav for (ptr = (int16_t *)ident_buf; 770198708Smav ptr < (int16_t *)ident_buf + sizeof(struct ata_params)/2; ptr++) { 771198708Smav *ptr = le16toh(*ptr); 772198708Smav } 773198708Smav if (strncmp(ident_buf->model, "FX", 2) && 774198708Smav strncmp(ident_buf->model, "NEC", 3) && 775198708Smav strncmp(ident_buf->model, "Pioneer", 7) && 776198708Smav strncmp(ident_buf->model, "SHARP", 5)) { 777198708Smav ata_bswap(ident_buf->model, sizeof(ident_buf->model)); 778198708Smav ata_bswap(ident_buf->revision, sizeof(ident_buf->revision)); 779198708Smav ata_bswap(ident_buf->serial, sizeof(ident_buf->serial)); 780198708Smav } 781198708Smav ata_btrim(ident_buf->model, sizeof(ident_buf->model)); 782198708Smav ata_bpack(ident_buf->model, ident_buf->model, sizeof(ident_buf->model)); 783198708Smav ata_btrim(ident_buf->revision, sizeof(ident_buf->revision)); 784198708Smav ata_bpack(ident_buf->revision, ident_buf->revision, sizeof(ident_buf->revision)); 785198708Smav ata_btrim(ident_buf->serial, sizeof(ident_buf->serial)); 786198708Smav ata_bpack(ident_buf->serial, ident_buf->serial, sizeof(ident_buf->serial)); 787203421Smav /* Device may need spin-up before IDENTIFY become valid. */ 788203421Smav if ((ident_buf->config & ATA_RESP_INCOMPLETE) || 789203421Smav ((ident_buf->support.command2 & ATA_SUPPORT_STANDBY) && 790203421Smav (ident_buf->enabled.command2 & ATA_SUPPORT_STANDBY) && 791203421Smav (ident_buf->support.command2 & ATA_SUPPORT_SPINUP) && 792203421Smav softc->spinup == 0)) { 793203421Smav PROBE_SET_ACTION(softc, PROBE_SPINUP); 794203421Smav xpt_release_ccb(done_ccb); 795203421Smav xpt_schedule(periph, priority); 796203421Smav return; 797203421Smav } 798203385Smav ident_buf = &path->device->ident_data; 799198708Smav if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 800198708Smav /* Check that it is the same device. */ 801203385Smav if (bcmp(softc->ident_data.model, ident_buf->model, 802203385Smav sizeof(ident_buf->model)) || 803203385Smav bcmp(softc->ident_data.revision, ident_buf->revision, 804203385Smav sizeof(ident_buf->revision)) || 805203385Smav bcmp(softc->ident_data.serial, ident_buf->serial, 806203385Smav sizeof(ident_buf->serial))) { 807198708Smav /* Device changed. */ 808198708Smav xpt_async(AC_LOST_DEVICE, path, NULL); 809203385Smav } else 810203385Smav bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 811198708Smav } else { 812203385Smav bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 813195534Sscottl /* Clean up from previous instance of this device */ 814195534Sscottl if (path->device->serial_num != NULL) { 815195534Sscottl free(path->device->serial_num, M_CAMXPT); 816195534Sscottl path->device->serial_num = NULL; 817195534Sscottl path->device->serial_num_len = 0; 818195534Sscottl } 819195534Sscottl path->device->serial_num = 820195534Sscottl (u_int8_t *)malloc((sizeof(ident_buf->serial) + 1), 821198708Smav M_CAMXPT, M_NOWAIT); 822195534Sscottl if (path->device->serial_num != NULL) { 823195534Sscottl bcopy(ident_buf->serial, 824195534Sscottl path->device->serial_num, 825195534Sscottl sizeof(ident_buf->serial)); 826195534Sscottl path->device->serial_num[sizeof(ident_buf->serial)] 827195534Sscottl = '\0'; 828195534Sscottl path->device->serial_num_len = 829195534Sscottl strlen(path->device->serial_num); 830195534Sscottl } 831195534Sscottl 832198331Smav path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 833195534Sscottl } 834199178Smav if (ident_buf->satacapabilities & ATA_SUPPORT_NCQ) { 835199178Smav path->device->mintags = path->device->maxtags = 836199178Smav ATA_QUEUE_LEN(ident_buf->queue) + 1; 837199178Smav } 838199178Smav ata_find_quirk(path->device); 839199263Smav if (path->device->mintags != 0 && 840199263Smav path->bus->sim->max_tagged_dev_openings != 0) { 841199747Smav /* Report SIM which tags are allowed. */ 842199747Smav bzero(&cts, sizeof(cts)); 843203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 844199747Smav cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 845199747Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 846199747Smav cts.xport_specific.sata.tags = path->device->maxtags; 847199747Smav cts.xport_specific.sata.valid = CTS_SATA_VALID_TAGS; 848199747Smav xpt_action((union ccb *)&cts); 849199747Smav /* Reconfigure queues for tagged queueing. */ 850199178Smav xpt_start_tags(path); 851199178Smav } 852198708Smav ata_device_transport(path); 853198708Smav PROBE_SET_ACTION(softc, PROBE_SETMODE); 854195534Sscottl xpt_release_ccb(done_ccb); 855198708Smav xpt_schedule(periph, priority); 856198708Smav return; 857195534Sscottl } 858203421Smav case PROBE_SPINUP: 859203421Smav if (bootverbose) 860203421Smav xpt_print(path, "Spin-up done\n"); 861203421Smav softc->spinup = 1; 862203421Smav PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 863203421Smav xpt_release_ccb(done_ccb); 864203421Smav xpt_schedule(periph, priority); 865203421Smav return; 866195534Sscottl case PROBE_SETMODE: 867198708Smav if (path->device->protocol == PROTO_ATA) { 868198708Smav PROBE_SET_ACTION(softc, PROBE_SET_MULTI); 869198708Smav } else { 870198708Smav PROBE_SET_ACTION(softc, PROBE_INQUIRY); 871195534Sscottl } 872198708Smav xpt_release_ccb(done_ccb); 873198708Smav xpt_schedule(periph, priority); 874198708Smav return; 875198708Smav case PROBE_SET_MULTI: 876198708Smav if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 877198708Smav path->device->flags &= ~CAM_DEV_UNCONFIGURED; 878198748Smav xpt_acquire_device(path->device); 879198708Smav done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 880198708Smav xpt_action(done_ccb); 881198708Smav xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 882198708Smav done_ccb); 883198708Smav } 884198708Smav break; 885195534Sscottl case PROBE_INQUIRY: 886195534Sscottl case PROBE_FULL_INQUIRY: 887195534Sscottl { 888198708Smav struct scsi_inquiry_data *inq_buf; 889198708Smav u_int8_t periph_qual, len; 890195534Sscottl 891198708Smav path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 892198708Smav inq_buf = &path->device->inq_data; 893195534Sscottl 894198708Smav periph_qual = SID_QUAL(inq_buf); 895195534Sscottl 896198708Smav if (periph_qual != SID_QUAL_LU_CONNECTED) 897198708Smav break; 898195534Sscottl 899198708Smav /* 900198708Smav * We conservatively request only 901198708Smav * SHORT_INQUIRY_LEN bytes of inquiry 902198708Smav * information during our first try 903198708Smav * at sending an INQUIRY. If the device 904198708Smav * has more information to give, 905198708Smav * perform a second request specifying 906198708Smav * the amount of information the device 907198708Smav * is willing to give. 908198708Smav */ 909198708Smav len = inq_buf->additional_length 910198708Smav + offsetof(struct scsi_inquiry_data, additional_length) + 1; 911198708Smav if (softc->action == PROBE_INQUIRY 912198708Smav && len > SHORT_INQUIRY_LENGTH) { 913198708Smav PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 914198708Smav xpt_release_ccb(done_ccb); 915198708Smav xpt_schedule(periph, priority); 916195534Sscottl return; 917195534Sscottl } 918198708Smav 919198708Smav ata_device_transport(path); 920198708Smav if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 921198708Smav path->device->flags &= ~CAM_DEV_UNCONFIGURED; 922198748Smav xpt_acquire_device(path->device); 923198708Smav done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 924198708Smav xpt_action(done_ccb); 925198708Smav xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, done_ccb); 926198708Smav } 927198708Smav break; 928195534Sscottl } 929195534Sscottl case PROBE_PM_PID: 930198708Smav if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) == 0) 931198708Smav bzero(ident_buf, sizeof(*ident_buf)); 932198708Smav softc->pm_pid = (done_ccb->ataio.res.lba_high << 24) + 933198708Smav (done_ccb->ataio.res.lba_mid << 16) + 934198708Smav (done_ccb->ataio.res.lba_low << 8) + 935198708Smav done_ccb->ataio.res.sector_count; 936198708Smav ((uint32_t *)ident_buf)[0] = softc->pm_pid; 937198708Smav snprintf(ident_buf->model, sizeof(ident_buf->model), 938198708Smav "Port Multiplier %08x", softc->pm_pid); 939198708Smav PROBE_SET_ACTION(softc, PROBE_PM_PRV); 940198708Smav xpt_release_ccb(done_ccb); 941198708Smav xpt_schedule(periph, priority); 942198708Smav return; 943195534Sscottl case PROBE_PM_PRV: 944198708Smav softc->pm_prv = (done_ccb->ataio.res.lba_high << 24) + 945198708Smav (done_ccb->ataio.res.lba_mid << 16) + 946198708Smav (done_ccb->ataio.res.lba_low << 8) + 947198708Smav done_ccb->ataio.res.sector_count; 948198708Smav ((uint32_t *)ident_buf)[1] = softc->pm_prv; 949198708Smav snprintf(ident_buf->revision, sizeof(ident_buf->revision), 950198708Smav "%04x", softc->pm_prv); 951198708Smav path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 952198708Smav if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 953198708Smav path->device->flags &= ~CAM_DEV_UNCONFIGURED; 954198748Smav xpt_acquire_device(path->device); 955198708Smav done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 956198708Smav xpt_action(done_ccb); 957198708Smav xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 958198708Smav done_ccb); 959198708Smav } else { 960198708Smav done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 961198708Smav xpt_action(done_ccb); 962198708Smav xpt_async(AC_SCSI_AEN, done_ccb->ccb_h.path, done_ccb); 963195534Sscottl } 964198708Smav break; 965195534Sscottl case PROBE_INVALID: 966195534Sscottl CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_INFO, 967195534Sscottl ("probedone: invalid action state\n")); 968195534Sscottl default: 969195534Sscottl break; 970195534Sscottl } 971198708Smavdone: 972203108Smav if (softc->restart) { 973203108Smav softc->restart = 0; 974203108Smav xpt_release_ccb(done_ccb); 975195534Sscottl probeschedule(periph); 976203108Smav return; 977195534Sscottl } 978203108Smav xpt_release_ccb(done_ccb); 979203108Smav while ((done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs))) { 980203108Smav TAILQ_REMOVE(&softc->request_ccbs, 981203108Smav &done_ccb->ccb_h, periph_links.tqe); 982203108Smav done_ccb->ccb_h.status = found ? CAM_REQ_CMP : CAM_REQ_CMP_ERR; 983203108Smav xpt_done(done_ccb); 984203108Smav } 985203108Smav cam_release_devq(periph->path, 986203108Smav RELSIM_RELEASE_RUNLEVEL, 0, CAM_RL_XPT + 1, FALSE); 987203108Smav cam_periph_invalidate(periph); 988203108Smav cam_periph_release_locked(periph); 989195534Sscottl} 990195534Sscottl 991195534Sscottlstatic void 992195534Sscottlprobecleanup(struct cam_periph *periph) 993195534Sscottl{ 994195534Sscottl free(periph->softc, M_CAMXPT); 995195534Sscottl} 996195534Sscottl 997195534Sscottlstatic void 998199178Smavata_find_quirk(struct cam_ed *device) 999195534Sscottl{ 1000199178Smav struct ata_quirk_entry *quirk; 1001195534Sscottl caddr_t match; 1002195534Sscottl 1003199178Smav match = cam_quirkmatch((caddr_t)&device->ident_data, 1004199178Smav (caddr_t)ata_quirk_table, 1005199178Smav ata_quirk_table_size, 1006199178Smav sizeof(*ata_quirk_table), ata_identify_match); 1007195534Sscottl 1008195534Sscottl if (match == NULL) 1009195534Sscottl panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1010195534Sscottl 1011199178Smav quirk = (struct ata_quirk_entry *)match; 1012195534Sscottl device->quirk = quirk; 1013199178Smav if (quirk->quirks & CAM_QUIRK_MAXTAGS) 1014199178Smav device->mintags = device->maxtags = quirk->maxtags; 1015195534Sscottl} 1016195534Sscottl 1017195534Sscottltypedef struct { 1018195534Sscottl union ccb *request_ccb; 1019195534Sscottl struct ccb_pathinq *cpi; 1020195534Sscottl int counter; 1021195534Sscottl} ata_scan_bus_info; 1022195534Sscottl 1023195534Sscottl/* 1024195534Sscottl * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1025195534Sscottl * As the scan progresses, xpt_scan_bus is used as the 1026195534Sscottl * callback on completion function. 1027195534Sscottl */ 1028195534Sscottlstatic void 1029195534Sscottlata_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1030195534Sscottl{ 1031195534Sscottl struct cam_path *path; 1032195534Sscottl ata_scan_bus_info *scan_info; 1033203108Smav union ccb *work_ccb, *reset_ccb; 1034195534Sscottl cam_status status; 1035195534Sscottl 1036195534Sscottl CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1037195534Sscottl ("xpt_scan_bus\n")); 1038195534Sscottl switch (request_ccb->ccb_h.func_code) { 1039195534Sscottl case XPT_SCAN_BUS: 1040195534Sscottl /* Find out the characteristics of the bus */ 1041195534Sscottl work_ccb = xpt_alloc_ccb_nowait(); 1042195534Sscottl if (work_ccb == NULL) { 1043195534Sscottl request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1044195534Sscottl xpt_done(request_ccb); 1045195534Sscottl return; 1046195534Sscottl } 1047195534Sscottl xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1048195534Sscottl request_ccb->ccb_h.pinfo.priority); 1049195534Sscottl work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1050195534Sscottl xpt_action(work_ccb); 1051195534Sscottl if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1052195534Sscottl request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1053195534Sscottl xpt_free_ccb(work_ccb); 1054195534Sscottl xpt_done(request_ccb); 1055195534Sscottl return; 1056195534Sscottl } 1057195534Sscottl 1058203108Smav /* We may need to reset bus first, if we haven't done it yet. */ 1059203108Smav if ((work_ccb->cpi.hba_inquiry & 1060203108Smav (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1061203108Smav !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1062203108Smav !timevalisset(&request_ccb->ccb_h.path->bus->last_reset)) { 1063203108Smav reset_ccb = xpt_alloc_ccb_nowait(); 1064203108Smav xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1065203108Smav CAM_PRIORITY_NONE); 1066203108Smav reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1067203108Smav xpt_action(reset_ccb); 1068203108Smav if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1069203108Smav request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1070203108Smav xpt_free_ccb(reset_ccb); 1071203108Smav xpt_free_ccb(work_ccb); 1072203108Smav xpt_done(request_ccb); 1073203108Smav return; 1074203108Smav } 1075203108Smav xpt_free_ccb(reset_ccb); 1076203108Smav } 1077203108Smav 1078195534Sscottl /* Save some state for use while we probe for devices */ 1079195534Sscottl scan_info = (ata_scan_bus_info *) 1080195534Sscottl malloc(sizeof(ata_scan_bus_info), M_CAMXPT, M_NOWAIT); 1081195534Sscottl if (scan_info == NULL) { 1082195534Sscottl request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1083195534Sscottl xpt_done(request_ccb); 1084195534Sscottl return; 1085195534Sscottl } 1086195534Sscottl scan_info->request_ccb = request_ccb; 1087195534Sscottl scan_info->cpi = &work_ccb->cpi; 1088195534Sscottl /* If PM supported, probe it first. */ 1089195534Sscottl if (scan_info->cpi->hba_inquiry & PI_SATAPM) 1090201990Smav scan_info->counter = scan_info->cpi->max_target; 1091201990Smav else 1092201990Smav scan_info->counter = 0; 1093195534Sscottl 1094195534Sscottl work_ccb = xpt_alloc_ccb_nowait(); 1095195534Sscottl if (work_ccb == NULL) { 1096195534Sscottl free(scan_info, M_CAMXPT); 1097195534Sscottl request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1098195534Sscottl xpt_done(request_ccb); 1099195534Sscottl break; 1100195534Sscottl } 1101195534Sscottl goto scan_next; 1102195534Sscottl case XPT_SCAN_LUN: 1103195534Sscottl work_ccb = request_ccb; 1104195534Sscottl /* Reuse the same CCB to query if a device was really found */ 1105195534Sscottl scan_info = (ata_scan_bus_info *)work_ccb->ccb_h.ppriv_ptr0; 1106195534Sscottl /* Free the current request path- we're done with it. */ 1107195534Sscottl xpt_free_path(work_ccb->ccb_h.path); 1108198389Smav /* If there is PMP... */ 1109201990Smav if ((scan_info->cpi->hba_inquiry & PI_SATAPM) && 1110201990Smav (scan_info->counter == scan_info->cpi->max_target)) { 1111203108Smav if (work_ccb->ccb_h.status == CAM_REQ_CMP) { 1112198389Smav /* everything else willbe probed by it */ 1113201990Smav goto done; 1114195534Sscottl } else { 1115195534Sscottl struct ccb_trans_settings cts; 1116195534Sscottl 1117195534Sscottl /* Report SIM that PM is absent. */ 1118195534Sscottl bzero(&cts, sizeof(cts)); 1119195534Sscottl xpt_setup_ccb(&cts.ccb_h, 1120195534Sscottl scan_info->request_ccb->ccb_h.path, 1); 1121195534Sscottl cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1122195534Sscottl cts.type = CTS_TYPE_CURRENT_SETTINGS; 1123195665Smav cts.xport_specific.sata.pm_present = 0; 1124195534Sscottl cts.xport_specific.sata.valid = CTS_SATA_VALID_PM; 1125195534Sscottl xpt_action((union ccb *)&cts); 1126195534Sscottl } 1127195534Sscottl } 1128201990Smav if (scan_info->counter == 1129201990Smav ((scan_info->cpi->hba_inquiry & PI_SATAPM) ? 1130201990Smav 0 : scan_info->cpi->max_target)) { 1131201990Smavdone: 1132195534Sscottl xpt_free_ccb(work_ccb); 1133195534Sscottl xpt_free_ccb((union ccb *)scan_info->cpi); 1134195534Sscottl request_ccb = scan_info->request_ccb; 1135195534Sscottl free(scan_info, M_CAMXPT); 1136195534Sscottl request_ccb->ccb_h.status = CAM_REQ_CMP; 1137195534Sscottl xpt_done(request_ccb); 1138195534Sscottl break; 1139195534Sscottl } 1140201990Smav /* Take next device. Wrap from max (PMP) to 0. */ 1141201990Smav scan_info->counter = (scan_info->counter + 1 ) % 1142201990Smav (scan_info->cpi->max_target + 1); 1143195534Sscottlscan_next: 1144195534Sscottl status = xpt_create_path(&path, xpt_periph, 1145195534Sscottl scan_info->request_ccb->ccb_h.path_id, 1146195534Sscottl scan_info->counter, 0); 1147195534Sscottl if (status != CAM_REQ_CMP) { 1148195534Sscottl printf("xpt_scan_bus: xpt_create_path failed" 1149195534Sscottl " with status %#x, bus scan halted\n", 1150195534Sscottl status); 1151195534Sscottl xpt_free_ccb(work_ccb); 1152195534Sscottl xpt_free_ccb((union ccb *)scan_info->cpi); 1153195534Sscottl request_ccb = scan_info->request_ccb; 1154195534Sscottl free(scan_info, M_CAMXPT); 1155195534Sscottl request_ccb->ccb_h.status = status; 1156195534Sscottl xpt_done(request_ccb); 1157195534Sscottl break; 1158195534Sscottl } 1159195534Sscottl xpt_setup_ccb(&work_ccb->ccb_h, path, 1160195534Sscottl scan_info->request_ccb->ccb_h.pinfo.priority); 1161195534Sscottl work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1162195534Sscottl work_ccb->ccb_h.cbfcnp = ata_scan_bus; 1163195534Sscottl work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1164195534Sscottl work_ccb->crcn.flags = scan_info->request_ccb->crcn.flags; 1165195534Sscottl xpt_action(work_ccb); 1166195534Sscottl break; 1167195534Sscottl default: 1168195534Sscottl break; 1169195534Sscottl } 1170195534Sscottl} 1171195534Sscottl 1172195534Sscottlstatic void 1173195534Sscottlata_scan_lun(struct cam_periph *periph, struct cam_path *path, 1174195534Sscottl cam_flags flags, union ccb *request_ccb) 1175195534Sscottl{ 1176195534Sscottl struct ccb_pathinq cpi; 1177195534Sscottl cam_status status; 1178195534Sscottl struct cam_path *new_path; 1179195534Sscottl struct cam_periph *old_periph; 1180195534Sscottl 1181203108Smav CAM_DEBUG(path, CAM_DEBUG_TRACE, ("xpt_scan_lun\n")); 1182195534Sscottl 1183203108Smav xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1184195534Sscottl cpi.ccb_h.func_code = XPT_PATH_INQ; 1185195534Sscottl xpt_action((union ccb *)&cpi); 1186195534Sscottl 1187195534Sscottl if (cpi.ccb_h.status != CAM_REQ_CMP) { 1188195534Sscottl if (request_ccb != NULL) { 1189195534Sscottl request_ccb->ccb_h.status = cpi.ccb_h.status; 1190195534Sscottl xpt_done(request_ccb); 1191195534Sscottl } 1192195534Sscottl return; 1193195534Sscottl } 1194195534Sscottl 1195195534Sscottl if (request_ccb == NULL) { 1196195534Sscottl request_ccb = malloc(sizeof(union ccb), M_CAMXPT, M_NOWAIT); 1197195534Sscottl if (request_ccb == NULL) { 1198195534Sscottl xpt_print(path, "xpt_scan_lun: can't allocate CCB, " 1199195534Sscottl "can't continue\n"); 1200195534Sscottl return; 1201195534Sscottl } 1202195534Sscottl new_path = malloc(sizeof(*new_path), M_CAMXPT, M_NOWAIT); 1203195534Sscottl if (new_path == NULL) { 1204195534Sscottl xpt_print(path, "xpt_scan_lun: can't allocate path, " 1205195534Sscottl "can't continue\n"); 1206195534Sscottl free(request_ccb, M_CAMXPT); 1207195534Sscottl return; 1208195534Sscottl } 1209195534Sscottl status = xpt_compile_path(new_path, xpt_periph, 1210195534Sscottl path->bus->path_id, 1211195534Sscottl path->target->target_id, 1212195534Sscottl path->device->lun_id); 1213195534Sscottl 1214195534Sscottl if (status != CAM_REQ_CMP) { 1215195534Sscottl xpt_print(path, "xpt_scan_lun: can't compile path, " 1216195534Sscottl "can't continue\n"); 1217195534Sscottl free(request_ccb, M_CAMXPT); 1218195534Sscottl free(new_path, M_CAMXPT); 1219195534Sscottl return; 1220195534Sscottl } 1221203108Smav xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 1222195534Sscottl request_ccb->ccb_h.cbfcnp = xptscandone; 1223195534Sscottl request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1224195534Sscottl request_ccb->crcn.flags = flags; 1225195534Sscottl } 1226195534Sscottl 1227195653Smav if ((old_periph = cam_periph_find(path, "aprobe")) != NULL) { 1228195534Sscottl probe_softc *softc; 1229195534Sscottl 1230195534Sscottl softc = (probe_softc *)old_periph->softc; 1231195534Sscottl TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 1232195534Sscottl periph_links.tqe); 1233203108Smav softc->restart = 1; 1234195534Sscottl } else { 1235195534Sscottl status = cam_periph_alloc(proberegister, NULL, probecleanup, 1236195653Smav probestart, "aprobe", 1237195534Sscottl CAM_PERIPH_BIO, 1238195534Sscottl request_ccb->ccb_h.path, NULL, 0, 1239195534Sscottl request_ccb); 1240195534Sscottl 1241195534Sscottl if (status != CAM_REQ_CMP) { 1242195534Sscottl xpt_print(path, "xpt_scan_lun: cam_alloc_periph " 1243195534Sscottl "returned an error, can't continue probe\n"); 1244195534Sscottl request_ccb->ccb_h.status = status; 1245195534Sscottl xpt_done(request_ccb); 1246195534Sscottl } 1247195534Sscottl } 1248195534Sscottl} 1249195534Sscottl 1250195534Sscottlstatic void 1251195534Sscottlxptscandone(struct cam_periph *periph, union ccb *done_ccb) 1252195534Sscottl{ 1253195534Sscottl xpt_release_path(done_ccb->ccb_h.path); 1254195534Sscottl free(done_ccb->ccb_h.path, M_CAMXPT); 1255195534Sscottl free(done_ccb, M_CAMXPT); 1256195534Sscottl} 1257195534Sscottl 1258195534Sscottlstatic struct cam_ed * 1259195534Sscottlata_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 1260195534Sscottl{ 1261195534Sscottl struct cam_path path; 1262199178Smav struct ata_quirk_entry *quirk; 1263195534Sscottl struct cam_ed *device; 1264195534Sscottl struct cam_ed *cur_device; 1265195534Sscottl 1266195534Sscottl device = xpt_alloc_device(bus, target, lun_id); 1267195534Sscottl if (device == NULL) 1268195534Sscottl return (NULL); 1269195534Sscottl 1270195534Sscottl /* 1271195534Sscottl * Take the default quirk entry until we have inquiry 1272195534Sscottl * data and can determine a better quirk to use. 1273195534Sscottl */ 1274199178Smav quirk = &ata_quirk_table[ata_quirk_table_size - 1]; 1275195534Sscottl device->quirk = (void *)quirk; 1276199178Smav device->mintags = 0; 1277199178Smav device->maxtags = 0; 1278195534Sscottl bzero(&device->inq_data, sizeof(device->inq_data)); 1279195534Sscottl device->inq_flags = 0; 1280195534Sscottl device->queue_flags = 0; 1281195534Sscottl device->serial_num = NULL; 1282195534Sscottl device->serial_num_len = 0; 1283195534Sscottl 1284195534Sscottl /* 1285195534Sscottl * XXX should be limited by number of CCBs this bus can 1286195534Sscottl * do. 1287195534Sscottl */ 1288195534Sscottl bus->sim->max_ccbs += device->ccbq.devq_openings; 1289195534Sscottl /* Insertion sort into our target's device list */ 1290195534Sscottl cur_device = TAILQ_FIRST(&target->ed_entries); 1291195534Sscottl while (cur_device != NULL && cur_device->lun_id < lun_id) 1292195534Sscottl cur_device = TAILQ_NEXT(cur_device, links); 1293195534Sscottl if (cur_device != NULL) { 1294195534Sscottl TAILQ_INSERT_BEFORE(cur_device, device, links); 1295195534Sscottl } else { 1296195534Sscottl TAILQ_INSERT_TAIL(&target->ed_entries, device, links); 1297195534Sscottl } 1298195534Sscottl target->generation++; 1299195534Sscottl if (lun_id != CAM_LUN_WILDCARD) { 1300195534Sscottl xpt_compile_path(&path, 1301195534Sscottl NULL, 1302195534Sscottl bus->path_id, 1303195534Sscottl target->target_id, 1304195534Sscottl lun_id); 1305195534Sscottl ata_device_transport(&path); 1306195534Sscottl xpt_release_path(&path); 1307195534Sscottl } 1308195534Sscottl 1309195534Sscottl return (device); 1310195534Sscottl} 1311195534Sscottl 1312195534Sscottlstatic void 1313195534Sscottlata_device_transport(struct cam_path *path) 1314195534Sscottl{ 1315195534Sscottl struct ccb_pathinq cpi; 1316198331Smav struct ccb_trans_settings cts; 1317198331Smav struct scsi_inquiry_data *inq_buf = NULL; 1318198331Smav struct ata_params *ident_buf = NULL; 1319195534Sscottl 1320195534Sscottl /* Get transport information from the SIM */ 1321203108Smav xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1322195534Sscottl cpi.ccb_h.func_code = XPT_PATH_INQ; 1323195534Sscottl xpt_action((union ccb *)&cpi); 1324195534Sscottl 1325195534Sscottl path->device->transport = cpi.transport; 1326198331Smav if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 1327198331Smav inq_buf = &path->device->inq_data; 1328198331Smav if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) != 0) 1329198331Smav ident_buf = &path->device->ident_data; 1330198331Smav if (path->device->protocol == PROTO_ATA) { 1331198331Smav path->device->protocol_version = ident_buf ? 1332198331Smav ata_version(ident_buf->version_major) : cpi.protocol_version; 1333198331Smav } else if (path->device->protocol == PROTO_SCSI) { 1334198331Smav path->device->protocol_version = inq_buf ? 1335198331Smav SID_ANSI_REV(inq_buf) : cpi.protocol_version; 1336195534Sscottl } 1337198331Smav path->device->transport_version = ident_buf ? 1338198331Smav ata_version(ident_buf->version_major) : cpi.transport_version; 1339195534Sscottl 1340195534Sscottl /* Tell the controller what we think */ 1341203108Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1342195534Sscottl cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1343195534Sscottl cts.type = CTS_TYPE_CURRENT_SETTINGS; 1344195534Sscottl cts.transport = path->device->transport; 1345195534Sscottl cts.transport_version = path->device->transport_version; 1346195534Sscottl cts.protocol = path->device->protocol; 1347195534Sscottl cts.protocol_version = path->device->protocol_version; 1348195534Sscottl cts.proto_specific.valid = 0; 1349203376Smav if (ident_buf) { 1350203376Smav if (path->device->transport == XPORT_ATA) { 1351203376Smav cts.xport_specific.ata.atapi = 1352203376Smav ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16) ? 16 : 1353203376Smav ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ? 12 : 0; 1354203376Smav cts.xport_specific.ata.valid = CTS_ATA_VALID_ATAPI; 1355203376Smav } else { 1356203376Smav cts.xport_specific.sata.atapi = 1357203376Smav ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16) ? 16 : 1358203376Smav ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ? 12 : 0; 1359203376Smav cts.xport_specific.sata.valid = CTS_SATA_VALID_ATAPI; 1360203376Smav } 1361203376Smav } else 1362203376Smav cts.xport_specific.valid = 0; 1363195534Sscottl xpt_action((union ccb *)&cts); 1364195534Sscottl} 1365195534Sscottl 1366195534Sscottlstatic void 1367195534Sscottlata_action(union ccb *start_ccb) 1368195534Sscottl{ 1369195534Sscottl 1370195534Sscottl switch (start_ccb->ccb_h.func_code) { 1371195534Sscottl case XPT_SET_TRAN_SETTINGS: 1372195534Sscottl { 1373199178Smav ata_set_transfer_settings(&start_ccb->cts, 1374195534Sscottl start_ccb->ccb_h.path->device, 1375195534Sscottl /*async_update*/FALSE); 1376195534Sscottl break; 1377195534Sscottl } 1378195534Sscottl case XPT_SCAN_BUS: 1379195534Sscottl ata_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 1380195534Sscottl break; 1381195534Sscottl case XPT_SCAN_LUN: 1382195534Sscottl ata_scan_lun(start_ccb->ccb_h.path->periph, 1383195534Sscottl start_ccb->ccb_h.path, start_ccb->crcn.flags, 1384195534Sscottl start_ccb); 1385195534Sscottl break; 1386195534Sscottl case XPT_GET_TRAN_SETTINGS: 1387195534Sscottl { 1388195534Sscottl struct cam_sim *sim; 1389195534Sscottl 1390195534Sscottl sim = start_ccb->ccb_h.path->bus->sim; 1391195534Sscottl (*(sim->sim_action))(sim, start_ccb); 1392195534Sscottl break; 1393195534Sscottl } 1394203376Smav case XPT_SCSI_IO: 1395203376Smav { 1396203376Smav struct cam_ed *device; 1397203376Smav u_int maxlen = 0; 1398203376Smav 1399203376Smav device = start_ccb->ccb_h.path->device; 1400203376Smav if (device->protocol == PROTO_SCSI && 1401203376Smav (device->flags & CAM_DEV_IDENTIFY_DATA_VALID)) { 1402203376Smav uint16_t p = 1403203376Smav device->ident_data.config & ATA_PROTO_MASK; 1404203376Smav 1405203376Smav maxlen = (p == ATA_PROTO_ATAPI_16) ? 16 : 1406203376Smav (p == ATA_PROTO_ATAPI_12) ? 12 : 0; 1407203376Smav } 1408203376Smav if (start_ccb->csio.cdb_len > maxlen) { 1409203376Smav start_ccb->ccb_h.status = CAM_REQ_INVALID; 1410203376Smav xpt_done(start_ccb); 1411203376Smav break; 1412203376Smav } 1413203376Smav /* FALLTHROUGH */ 1414203376Smav } 1415195534Sscottl default: 1416195534Sscottl xpt_action_default(start_ccb); 1417195534Sscottl break; 1418195534Sscottl } 1419195534Sscottl} 1420195534Sscottl 1421195534Sscottlstatic void 1422199178Smavata_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_ed *device, 1423195534Sscottl int async_update) 1424195534Sscottl{ 1425195534Sscottl struct ccb_pathinq cpi; 1426195534Sscottl struct ccb_trans_settings cur_cts; 1427195534Sscottl struct ccb_trans_settings_scsi *scsi; 1428195534Sscottl struct ccb_trans_settings_scsi *cur_scsi; 1429195534Sscottl struct cam_sim *sim; 1430195534Sscottl struct scsi_inquiry_data *inq_data; 1431195534Sscottl 1432195534Sscottl if (device == NULL) { 1433195534Sscottl cts->ccb_h.status = CAM_PATH_INVALID; 1434195534Sscottl xpt_done((union ccb *)cts); 1435195534Sscottl return; 1436195534Sscottl } 1437195534Sscottl 1438195534Sscottl if (cts->protocol == PROTO_UNKNOWN 1439195534Sscottl || cts->protocol == PROTO_UNSPECIFIED) { 1440195534Sscottl cts->protocol = device->protocol; 1441195534Sscottl cts->protocol_version = device->protocol_version; 1442195534Sscottl } 1443195534Sscottl 1444195534Sscottl if (cts->protocol_version == PROTO_VERSION_UNKNOWN 1445195534Sscottl || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 1446195534Sscottl cts->protocol_version = device->protocol_version; 1447195534Sscottl 1448195534Sscottl if (cts->protocol != device->protocol) { 1449195534Sscottl xpt_print(cts->ccb_h.path, "Uninitialized Protocol %x:%x?\n", 1450195534Sscottl cts->protocol, device->protocol); 1451195534Sscottl cts->protocol = device->protocol; 1452195534Sscottl } 1453195534Sscottl 1454195534Sscottl if (cts->protocol_version > device->protocol_version) { 1455195534Sscottl if (bootverbose) { 1456195534Sscottl xpt_print(cts->ccb_h.path, "Down reving Protocol " 1457195534Sscottl "Version from %d to %d?\n", cts->protocol_version, 1458195534Sscottl device->protocol_version); 1459195534Sscottl } 1460195534Sscottl cts->protocol_version = device->protocol_version; 1461195534Sscottl } 1462195534Sscottl 1463195534Sscottl if (cts->transport == XPORT_UNKNOWN 1464195534Sscottl || cts->transport == XPORT_UNSPECIFIED) { 1465195534Sscottl cts->transport = device->transport; 1466195534Sscottl cts->transport_version = device->transport_version; 1467195534Sscottl } 1468195534Sscottl 1469195534Sscottl if (cts->transport_version == XPORT_VERSION_UNKNOWN 1470195534Sscottl || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 1471195534Sscottl cts->transport_version = device->transport_version; 1472195534Sscottl 1473195534Sscottl if (cts->transport != device->transport) { 1474195534Sscottl xpt_print(cts->ccb_h.path, "Uninitialized Transport %x:%x?\n", 1475195534Sscottl cts->transport, device->transport); 1476195534Sscottl cts->transport = device->transport; 1477195534Sscottl } 1478195534Sscottl 1479195534Sscottl if (cts->transport_version > device->transport_version) { 1480195534Sscottl if (bootverbose) { 1481195534Sscottl xpt_print(cts->ccb_h.path, "Down reving Transport " 1482195534Sscottl "Version from %d to %d?\n", cts->transport_version, 1483195534Sscottl device->transport_version); 1484195534Sscottl } 1485195534Sscottl cts->transport_version = device->transport_version; 1486195534Sscottl } 1487195534Sscottl 1488195534Sscottl sim = cts->ccb_h.path->bus->sim; 1489195534Sscottl 1490195534Sscottl /* 1491195534Sscottl * Nothing more of interest to do unless 1492195534Sscottl * this is a device connected via the 1493195534Sscottl * SCSI protocol. 1494195534Sscottl */ 1495195534Sscottl if (cts->protocol != PROTO_SCSI) { 1496195534Sscottl if (async_update == FALSE) 1497195534Sscottl (*(sim->sim_action))(sim, (union ccb *)cts); 1498195534Sscottl return; 1499195534Sscottl } 1500195534Sscottl 1501195534Sscottl inq_data = &device->inq_data; 1502195534Sscottl scsi = &cts->proto_specific.scsi; 1503203108Smav xpt_setup_ccb(&cpi.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 1504195534Sscottl cpi.ccb_h.func_code = XPT_PATH_INQ; 1505195534Sscottl xpt_action((union ccb *)&cpi); 1506195534Sscottl 1507195534Sscottl /* SCSI specific sanity checking */ 1508195534Sscottl if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 1509195534Sscottl || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 1510195534Sscottl || (device->queue_flags & SCP_QUEUE_DQUE) != 0 1511195534Sscottl || (device->mintags == 0)) { 1512195534Sscottl /* 1513195534Sscottl * Can't tag on hardware that doesn't support tags, 1514195534Sscottl * doesn't have it enabled, or has broken tag support. 1515195534Sscottl */ 1516195534Sscottl scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1517195534Sscottl } 1518195534Sscottl 1519195534Sscottl if (async_update == FALSE) { 1520195534Sscottl /* 1521195534Sscottl * Perform sanity checking against what the 1522195534Sscottl * controller and device can do. 1523195534Sscottl */ 1524203108Smav xpt_setup_ccb(&cur_cts.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 1525195534Sscottl cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1526195534Sscottl cur_cts.type = cts->type; 1527195534Sscottl xpt_action((union ccb *)&cur_cts); 1528195534Sscottl if ((cur_cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1529195534Sscottl return; 1530195534Sscottl } 1531195534Sscottl cur_scsi = &cur_cts.proto_specific.scsi; 1532195534Sscottl if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 1533195534Sscottl scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1534195534Sscottl scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 1535195534Sscottl } 1536195534Sscottl if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 1537195534Sscottl scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1538195534Sscottl } 1539195534Sscottl 1540195534Sscottl if (cts->type == CTS_TYPE_CURRENT_SETTINGS 1541195534Sscottl && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 1542195534Sscottl int device_tagenb; 1543195534Sscottl 1544195534Sscottl /* 1545195534Sscottl * If we are transitioning from tags to no-tags or 1546195534Sscottl * vice-versa, we need to carefully freeze and restart 1547195534Sscottl * the queue so that we don't overlap tagged and non-tagged 1548195534Sscottl * commands. We also temporarily stop tags if there is 1549195534Sscottl * a change in transfer negotiation settings to allow 1550195534Sscottl * "tag-less" negotiation. 1551195534Sscottl */ 1552195534Sscottl if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 1553195534Sscottl || (device->inq_flags & SID_CmdQue) != 0) 1554195534Sscottl device_tagenb = TRUE; 1555195534Sscottl else 1556195534Sscottl device_tagenb = FALSE; 1557195534Sscottl 1558195534Sscottl if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 1559195534Sscottl && device_tagenb == FALSE) 1560195534Sscottl || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 1561195534Sscottl && device_tagenb == TRUE)) { 1562195534Sscottl 1563195534Sscottl if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 1564195534Sscottl /* 1565195534Sscottl * Delay change to use tags until after a 1566195534Sscottl * few commands have gone to this device so 1567195534Sscottl * the controller has time to perform transfer 1568195534Sscottl * negotiations without tagged messages getting 1569195534Sscottl * in the way. 1570195534Sscottl */ 1571195534Sscottl device->tag_delay_count = CAM_TAG_DELAY_COUNT; 1572195534Sscottl device->flags |= CAM_DEV_TAG_AFTER_COUNT; 1573195534Sscottl } else { 1574199178Smav xpt_stop_tags(cts->ccb_h.path); 1575195534Sscottl } 1576195534Sscottl } 1577195534Sscottl } 1578195534Sscottl if (async_update == FALSE) 1579195534Sscottl (*(sim->sim_action))(sim, (union ccb *)cts); 1580195534Sscottl} 1581195534Sscottl 1582195534Sscottl/* 1583195534Sscottl * Handle any per-device event notifications that require action by the XPT. 1584195534Sscottl */ 1585195534Sscottlstatic void 1586195534Sscottlata_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 1587195534Sscottl struct cam_ed *device, void *async_arg) 1588195534Sscottl{ 1589195534Sscottl cam_status status; 1590195534Sscottl struct cam_path newpath; 1591195534Sscottl 1592195534Sscottl /* 1593195534Sscottl * We only need to handle events for real devices. 1594195534Sscottl */ 1595195534Sscottl if (target->target_id == CAM_TARGET_WILDCARD 1596195534Sscottl || device->lun_id == CAM_LUN_WILDCARD) 1597195534Sscottl return; 1598195534Sscottl 1599195534Sscottl /* 1600195534Sscottl * We need our own path with wildcards expanded to 1601195534Sscottl * handle certain types of events. 1602195534Sscottl */ 1603195534Sscottl if ((async_code == AC_SENT_BDR) 1604195534Sscottl || (async_code == AC_BUS_RESET) 1605195534Sscottl || (async_code == AC_INQ_CHANGED)) 1606195534Sscottl status = xpt_compile_path(&newpath, NULL, 1607195534Sscottl bus->path_id, 1608195534Sscottl target->target_id, 1609195534Sscottl device->lun_id); 1610195534Sscottl else 1611195534Sscottl status = CAM_REQ_CMP_ERR; 1612195534Sscottl 1613195534Sscottl if (status == CAM_REQ_CMP) { 1614195534Sscottl if (async_code == AC_INQ_CHANGED) { 1615195534Sscottl /* 1616195534Sscottl * We've sent a start unit command, or 1617195534Sscottl * something similar to a device that 1618195534Sscottl * may have caused its inquiry data to 1619195534Sscottl * change. So we re-scan the device to 1620195534Sscottl * refresh the inquiry data for it. 1621195534Sscottl */ 1622195534Sscottl ata_scan_lun(newpath.periph, &newpath, 1623195534Sscottl CAM_EXPECT_INQ_CHANGE, NULL); 1624203108Smav } else { 1625203108Smav /* We need to reinitialize device after reset. */ 1626203108Smav ata_scan_lun(newpath.periph, &newpath, 1627203108Smav 0, NULL); 1628195534Sscottl } 1629195534Sscottl xpt_release_path(&newpath); 1630198748Smav } else if (async_code == AC_LOST_DEVICE && 1631198748Smav (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 1632195534Sscottl device->flags |= CAM_DEV_UNCONFIGURED; 1633198748Smav xpt_release_device(device); 1634195534Sscottl } else if (async_code == AC_TRANSFER_NEG) { 1635195534Sscottl struct ccb_trans_settings *settings; 1636195534Sscottl 1637195534Sscottl settings = (struct ccb_trans_settings *)async_arg; 1638199178Smav ata_set_transfer_settings(settings, device, 1639195534Sscottl /*async_update*/TRUE); 1640195534Sscottl } 1641195534Sscottl} 1642195534Sscottl 1643