ata_xpt.c revision 200171
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 200171 2009-12-06 00:10:13Z 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/md5.h> 41195534Sscottl#include <sys/interrupt.h> 42195534Sscottl#include <sys/sbuf.h> 43195534Sscottl 44195534Sscottl#include <sys/lock.h> 45195534Sscottl#include <sys/mutex.h> 46195534Sscottl#include <sys/sysctl.h> 47195534Sscottl 48195534Sscottl#ifdef PC98 49195534Sscottl#include <pc98/pc98/pc98_machdep.h> /* geometry translation */ 50195534Sscottl#endif 51195534Sscottl 52195534Sscottl#include <cam/cam.h> 53195534Sscottl#include <cam/cam_ccb.h> 54195534Sscottl#include <cam/cam_queue.h> 55195534Sscottl#include <cam/cam_periph.h> 56195534Sscottl#include <cam/cam_sim.h> 57195534Sscottl#include <cam/cam_xpt.h> 58195534Sscottl#include <cam/cam_xpt_sim.h> 59195534Sscottl#include <cam/cam_xpt_periph.h> 60195534Sscottl#include <cam/cam_xpt_internal.h> 61195534Sscottl#include <cam/cam_debug.h> 62195534Sscottl 63195534Sscottl#include <cam/scsi/scsi_all.h> 64195534Sscottl#include <cam/scsi/scsi_message.h> 65195534Sscottl#include <cam/ata/ata_all.h> 66195534Sscottl#include <machine/stdarg.h> /* for xpt_print below */ 67195534Sscottl#include "opt_cam.h" 68195534Sscottl 69199178Smavstruct ata_quirk_entry { 70195534Sscottl struct scsi_inquiry_pattern inq_pat; 71195534Sscottl u_int8_t quirks; 72199178Smav#define CAM_QUIRK_MAXTAGS 0x01 73195534Sscottl u_int maxtags; 74195534Sscottl}; 75195534Sscottl 76195534Sscottlstatic periph_init_t probe_periph_init; 77195534Sscottl 78195534Sscottlstatic struct periph_driver probe_driver = 79195534Sscottl{ 80195653Smav probe_periph_init, "aprobe", 81198708Smav TAILQ_HEAD_INITIALIZER(probe_driver.units), /* generation */ 0, 82198708Smav CAM_PERIPH_DRV_EARLY 83195534Sscottl}; 84195534Sscottl 85195653SmavPERIPHDRIVER_DECLARE(aprobe, probe_driver); 86195534Sscottl 87195534Sscottltypedef enum { 88195534Sscottl PROBE_RESET, 89195534Sscottl PROBE_IDENTIFY, 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", 102195534Sscottl "PROBE_SETMODE", 103198708Smav "PROBE_SET_MULTI", 104195534Sscottl "PROBE_INQUIRY", 105195534Sscottl "PROBE_FULL_INQUIRY", 106195534Sscottl "PROBE_PM_PID", 107195534Sscottl "PROBE_PM_PRV", 108195534Sscottl "PROBE_INVALID" 109195534Sscottl}; 110195534Sscottl 111195534Sscottl#define PROBE_SET_ACTION(softc, newaction) \ 112195534Sscottldo { \ 113195534Sscottl char **text; \ 114195534Sscottl text = probe_action_text; \ 115195534Sscottl CAM_DEBUG((softc)->periph->path, CAM_DEBUG_INFO, \ 116195534Sscottl ("Probe %s to %s\n", text[(softc)->action], \ 117195534Sscottl text[(newaction)])); \ 118195534Sscottl (softc)->action = (newaction); \ 119195534Sscottl} while(0) 120195534Sscottl 121195534Sscottltypedef enum { 122195534Sscottl PROBE_NO_ANNOUNCE = 0x04 123195534Sscottl} probe_flags; 124195534Sscottl 125195534Sscottltypedef struct { 126195534Sscottl TAILQ_HEAD(, ccb_hdr) request_ccbs; 127195534Sscottl probe_action action; 128195534Sscottl union ccb saved_ccb; 129195534Sscottl probe_flags flags; 130195534Sscottl u_int8_t digest[16]; 131195534Sscottl uint32_t pm_pid; 132195534Sscottl uint32_t pm_prv; 133195534Sscottl struct cam_periph *periph; 134195534Sscottl} probe_softc; 135195534Sscottl 136199178Smavstatic struct ata_quirk_entry ata_quirk_table[] = 137195534Sscottl{ 138195534Sscottl { 139195534Sscottl /* Default tagged queuing parameters for all devices */ 140195534Sscottl { 141195534Sscottl T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 142195534Sscottl /*vendor*/"*", /*product*/"*", /*revision*/"*" 143195534Sscottl }, 144199178Smav /*quirks*/0, /*maxtags*/0 145195534Sscottl }, 146195534Sscottl}; 147195534Sscottl 148199178Smavstatic const int ata_quirk_table_size = 149199178Smav sizeof(ata_quirk_table) / sizeof(*ata_quirk_table); 150195534Sscottl 151195534Sscottlstatic cam_status proberegister(struct cam_periph *periph, 152195534Sscottl void *arg); 153195534Sscottlstatic void probeschedule(struct cam_periph *probe_periph); 154195534Sscottlstatic void probestart(struct cam_periph *periph, union ccb *start_ccb); 155195534Sscottl//static void proberequestdefaultnegotiation(struct cam_periph *periph); 156195534Sscottl//static int proberequestbackoff(struct cam_periph *periph, 157195534Sscottl// struct cam_ed *device); 158195534Sscottlstatic void probedone(struct cam_periph *periph, union ccb *done_ccb); 159195534Sscottlstatic void probecleanup(struct cam_periph *periph); 160199178Smavstatic void ata_find_quirk(struct cam_ed *device); 161195534Sscottlstatic void ata_scan_bus(struct cam_periph *periph, union ccb *ccb); 162195534Sscottlstatic void ata_scan_lun(struct cam_periph *periph, 163195534Sscottl struct cam_path *path, cam_flags flags, 164195534Sscottl union ccb *ccb); 165195534Sscottlstatic void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 166195534Sscottlstatic struct cam_ed * 167195534Sscottl ata_alloc_device(struct cam_eb *bus, struct cam_et *target, 168195534Sscottl lun_id_t lun_id); 169195534Sscottlstatic void ata_device_transport(struct cam_path *path); 170199178Smavstatic void ata_set_transfer_settings(struct ccb_trans_settings *cts, 171195534Sscottl struct cam_ed *device, 172195534Sscottl int async_update); 173195534Sscottlstatic void ata_dev_async(u_int32_t async_code, 174195534Sscottl struct cam_eb *bus, 175195534Sscottl struct cam_et *target, 176195534Sscottl struct cam_ed *device, 177195534Sscottl void *async_arg); 178195534Sscottlstatic void ata_action(union ccb *start_ccb); 179195534Sscottl 180195534Sscottlstatic struct xpt_xport ata_xport = { 181195534Sscottl .alloc_device = ata_alloc_device, 182195534Sscottl .action = ata_action, 183195534Sscottl .async = ata_dev_async, 184195534Sscottl}; 185195534Sscottl 186195534Sscottlstruct xpt_xport * 187195534Sscottlata_get_xport(void) 188195534Sscottl{ 189195534Sscottl return (&ata_xport); 190195534Sscottl} 191195534Sscottl 192195534Sscottlstatic void 193195534Sscottlprobe_periph_init() 194195534Sscottl{ 195195534Sscottl} 196195534Sscottl 197195534Sscottlstatic cam_status 198195534Sscottlproberegister(struct cam_periph *periph, void *arg) 199195534Sscottl{ 200195534Sscottl union ccb *request_ccb; /* CCB representing the probe request */ 201195534Sscottl cam_status status; 202195534Sscottl probe_softc *softc; 203195534Sscottl 204195534Sscottl request_ccb = (union ccb *)arg; 205195534Sscottl if (periph == NULL) { 206195534Sscottl printf("proberegister: periph was NULL!!\n"); 207195534Sscottl return(CAM_REQ_CMP_ERR); 208195534Sscottl } 209195534Sscottl 210195534Sscottl if (request_ccb == NULL) { 211195534Sscottl printf("proberegister: no probe CCB, " 212195534Sscottl "can't register device\n"); 213195534Sscottl return(CAM_REQ_CMP_ERR); 214195534Sscottl } 215195534Sscottl 216195534Sscottl softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_NOWAIT); 217195534Sscottl 218195534Sscottl if (softc == NULL) { 219195534Sscottl printf("proberegister: Unable to probe new device. " 220195534Sscottl "Unable to allocate softc\n"); 221195534Sscottl return(CAM_REQ_CMP_ERR); 222195534Sscottl } 223195534Sscottl TAILQ_INIT(&softc->request_ccbs); 224195534Sscottl TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 225195534Sscottl periph_links.tqe); 226195534Sscottl softc->flags = 0; 227195534Sscottl periph->softc = softc; 228195534Sscottl softc->periph = periph; 229195534Sscottl softc->action = PROBE_INVALID; 230195534Sscottl status = cam_periph_acquire(periph); 231195534Sscottl if (status != CAM_REQ_CMP) { 232195534Sscottl return (status); 233195534Sscottl } 234195534Sscottl 235195534Sscottl 236195534Sscottl /* 237195534Sscottl * Ensure we've waited at least a bus settle 238195534Sscottl * delay before attempting to probe the device. 239195534Sscottl * For HBAs that don't do bus resets, this won't make a difference. 240195534Sscottl */ 241195534Sscottl cam_periph_freeze_after_event(periph, &periph->path->bus->last_reset, 242195534Sscottl scsi_delay); 243195534Sscottl probeschedule(periph); 244195534Sscottl return(CAM_REQ_CMP); 245195534Sscottl} 246195534Sscottl 247195534Sscottlstatic void 248195534Sscottlprobeschedule(struct cam_periph *periph) 249195534Sscottl{ 250195534Sscottl struct ccb_pathinq cpi; 251195534Sscottl union ccb *ccb; 252195534Sscottl probe_softc *softc; 253195534Sscottl 254195534Sscottl softc = (probe_softc *)periph->softc; 255195534Sscottl ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 256195534Sscottl 257198382Smav xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 258195534Sscottl cpi.ccb_h.func_code = XPT_PATH_INQ; 259195534Sscottl xpt_action((union ccb *)&cpi); 260195534Sscottl 261198389Smav if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) || 262198389Smav periph->path->device->protocol == PROTO_SATAPM) 263195534Sscottl PROBE_SET_ACTION(softc, PROBE_RESET); 264195534Sscottl else 265195534Sscottl PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 266195534Sscottl 267195534Sscottl if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 268195534Sscottl softc->flags |= PROBE_NO_ANNOUNCE; 269195534Sscottl else 270195534Sscottl softc->flags &= ~PROBE_NO_ANNOUNCE; 271195534Sscottl 272195534Sscottl xpt_schedule(periph, ccb->ccb_h.pinfo.priority); 273195534Sscottl} 274195534Sscottl 275195534Sscottlstatic void 276195534Sscottlprobestart(struct cam_periph *periph, union ccb *start_ccb) 277195534Sscottl{ 278199747Smav struct ccb_trans_settings cts; 279195534Sscottl struct ccb_ataio *ataio; 280195534Sscottl struct ccb_scsiio *csio; 281195534Sscottl probe_softc *softc; 282198708Smav struct cam_path *path; 283198708Smav struct ata_params *ident_buf; 284195534Sscottl 285195534Sscottl CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 286195534Sscottl 287195534Sscottl softc = (probe_softc *)periph->softc; 288198708Smav path = start_ccb->ccb_h.path; 289195534Sscottl ataio = &start_ccb->ataio; 290195534Sscottl csio = &start_ccb->csio; 291198708Smav ident_buf = &periph->path->device->ident_data; 292195534Sscottl 293195534Sscottl switch (softc->action) { 294195534Sscottl case PROBE_RESET: 295195534Sscottl cam_fill_ataio(ataio, 296195534Sscottl 0, 297195534Sscottl probedone, 298195534Sscottl /*flags*/CAM_DIR_NONE, 299198389Smav 0, 300195534Sscottl /*data_ptr*/NULL, 301195534Sscottl /*dxfer_len*/0, 302195534Sscottl (start_ccb->ccb_h.target_id == 15 ? 3 : 15) * 1000); 303195534Sscottl ata_reset_cmd(ataio); 304195534Sscottl break; 305195534Sscottl case PROBE_IDENTIFY: 306195534Sscottl if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 307195534Sscottl /* Prepare check that it is the same device. */ 308195534Sscottl MD5_CTX context; 309195534Sscottl 310195534Sscottl MD5Init(&context); 311195534Sscottl MD5Update(&context, 312195534Sscottl (unsigned char *)ident_buf->model, 313195534Sscottl sizeof(ident_buf->model)); 314195534Sscottl MD5Update(&context, 315195534Sscottl (unsigned char *)ident_buf->revision, 316195534Sscottl sizeof(ident_buf->revision)); 317195534Sscottl MD5Update(&context, 318195534Sscottl (unsigned char *)ident_buf->serial, 319195534Sscottl sizeof(ident_buf->serial)); 320195534Sscottl MD5Final(softc->digest, &context); 321195534Sscottl } 322195534Sscottl cam_fill_ataio(ataio, 323195534Sscottl 1, 324195534Sscottl probedone, 325195534Sscottl /*flags*/CAM_DIR_IN, 326198389Smav 0, 327195534Sscottl /*data_ptr*/(u_int8_t *)ident_buf, 328195534Sscottl /*dxfer_len*/sizeof(struct ata_params), 329195534Sscottl 30 * 1000); 330195534Sscottl if (periph->path->device->protocol == PROTO_ATA) 331196659Smav ata_28bit_cmd(ataio, ATA_ATA_IDENTIFY, 0, 0, 0); 332195534Sscottl else 333196659Smav ata_28bit_cmd(ataio, ATA_ATAPI_IDENTIFY, 0, 0, 0); 334195534Sscottl break; 335195534Sscottl case PROBE_SETMODE: 336199747Smav { 337199747Smav int mode, wantmode; 338199747Smav 339199747Smav mode = 0; 340199747Smav /* Fetch user modes from SIM. */ 341199747Smav bzero(&cts, sizeof(cts)); 342199747Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 343199747Smav cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 344199747Smav cts.type = CTS_TYPE_USER_SETTINGS; 345199747Smav xpt_action((union ccb *)&cts); 346199747Smav if (path->device->transport == XPORT_ATA) { 347199747Smav if (cts.xport_specific.ata.valid & CTS_ATA_VALID_MODE) 348199747Smav mode = cts.xport_specific.ata.mode; 349199747Smav } else { 350199799Smav if (cts.xport_specific.sata.valid & CTS_SATA_VALID_MODE) 351199747Smav mode = cts.xport_specific.sata.mode; 352199747Smav } 353199747Smavnegotiate: 354199747Smav /* Honor device capabilities. */ 355199747Smav wantmode = mode = ata_max_mode(ident_buf, mode); 356199747Smav /* Report modes to SIM. */ 357199747Smav bzero(&cts, sizeof(cts)); 358199747Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 359199747Smav cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 360199747Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 361199747Smav if (path->device->transport == XPORT_ATA) { 362199747Smav cts.xport_specific.ata.mode = mode; 363199747Smav cts.xport_specific.ata.valid = CTS_ATA_VALID_MODE; 364199747Smav } else { 365199747Smav cts.xport_specific.sata.mode = mode; 366199747Smav cts.xport_specific.sata.valid = CTS_SATA_VALID_MODE; 367199747Smav } 368199747Smav xpt_action((union ccb *)&cts); 369200171Smav /* Fetch current modes from SIM. */ 370199747Smav bzero(&cts, sizeof(cts)); 371199747Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 372199747Smav cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 373199747Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 374199747Smav xpt_action((union ccb *)&cts); 375199747Smav if (path->device->transport == XPORT_ATA) { 376199747Smav if (cts.xport_specific.ata.valid & CTS_ATA_VALID_MODE) 377199747Smav mode = cts.xport_specific.ata.mode; 378199747Smav } else { 379199747Smav if (cts.xport_specific.ata.valid & CTS_SATA_VALID_MODE) 380199747Smav mode = cts.xport_specific.sata.mode; 381199747Smav } 382199747Smav /* If SIM disagree - renegotiate. */ 383199747Smav if (mode != wantmode) 384199747Smav goto negotiate; 385195534Sscottl cam_fill_ataio(ataio, 386195534Sscottl 1, 387195534Sscottl probedone, 388196353Smav /*flags*/CAM_DIR_NONE, 389196353Smav 0, 390196353Smav /*data_ptr*/NULL, 391196353Smav /*dxfer_len*/0, 392195534Sscottl 30 * 1000); 393199747Smav ata_28bit_cmd(ataio, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode); 394195534Sscottl break; 395199747Smav } 396198708Smav case PROBE_SET_MULTI: 397198708Smav { 398200171Smav u_int sectors, bytecount; 399198708Smav 400200171Smav bytecount = 8192; /* SATA maximum */ 401200171Smav /* Fetch user bytecount from SIM. */ 402200171Smav bzero(&cts, sizeof(cts)); 403200171Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 404200171Smav cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 405200171Smav cts.type = CTS_TYPE_USER_SETTINGS; 406200171Smav xpt_action((union ccb *)&cts); 407200171Smav if (path->device->transport == XPORT_ATA) { 408200171Smav if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 409200171Smav bytecount = cts.xport_specific.ata.bytecount; 410200171Smav } else { 411200171Smav if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 412200171Smav bytecount = cts.xport_specific.sata.bytecount; 413200171Smav } 414200171Smav /* Honor device capabilities. */ 415200171Smav sectors = max(1, min(ident_buf->sectors_intr & 0xff, 416200171Smav bytecount / ata_logical_sector_size(ident_buf))); 417198708Smav /* Report bytecount to SIM. */ 418198708Smav bzero(&cts, sizeof(cts)); 419198708Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 420198708Smav cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 421198708Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 422198708Smav if (path->device->transport == XPORT_ATA) { 423198897Smav cts.xport_specific.ata.bytecount = sectors * 424198897Smav ata_logical_sector_size(ident_buf); 425198708Smav cts.xport_specific.ata.valid = CTS_ATA_VALID_BYTECOUNT; 426198708Smav } else { 427198897Smav cts.xport_specific.sata.bytecount = sectors * 428198897Smav ata_logical_sector_size(ident_buf); 429198708Smav cts.xport_specific.sata.valid = CTS_SATA_VALID_BYTECOUNT; 430198708Smav } 431198708Smav xpt_action((union ccb *)&cts); 432200171Smav /* Fetch current bytecount from SIM. */ 433200171Smav bzero(&cts, sizeof(cts)); 434200171Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 435200171Smav cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 436200171Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 437200171Smav xpt_action((union ccb *)&cts); 438200171Smav if (path->device->transport == XPORT_ATA) { 439200171Smav if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 440200171Smav bytecount = cts.xport_specific.ata.bytecount; 441200171Smav } else { 442200171Smav if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 443200171Smav bytecount = cts.xport_specific.sata.bytecount; 444200171Smav } 445200171Smav sectors = bytecount / ata_logical_sector_size(ident_buf); 446198708Smav 447198708Smav cam_fill_ataio(ataio, 448198708Smav 1, 449198708Smav probedone, 450198708Smav CAM_DIR_NONE, 451198708Smav 0, 452198708Smav NULL, 453198708Smav 0, 454198708Smav 30*1000); 455198708Smav ata_28bit_cmd(ataio, ATA_SET_MULTI, 0, 0, sectors); 456198708Smav break; 457195534Sscottl } 458195534Sscottl case PROBE_INQUIRY: 459200171Smav { 460200171Smav u_int bytecount; 461200171Smav 462200171Smav bytecount = 8192; /* SATA maximum */ 463200171Smav /* Fetch user bytecount from SIM. */ 464200171Smav bzero(&cts, sizeof(cts)); 465200171Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 466200171Smav cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 467200171Smav cts.type = CTS_TYPE_USER_SETTINGS; 468200171Smav xpt_action((union ccb *)&cts); 469200171Smav if (path->device->transport == XPORT_ATA) { 470200171Smav if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 471200171Smav bytecount = cts.xport_specific.ata.bytecount; 472200171Smav } else { 473200171Smav if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 474200171Smav bytecount = cts.xport_specific.sata.bytecount; 475200171Smav } 476200171Smav /* Honor device capabilities. */ 477200171Smav bytecount &= ~1; 478200171Smav bytecount = max(2, min(65534, bytecount)); 479200171Smav if (ident_buf->satacapabilities != 0x0000 && 480200171Smav ident_buf->satacapabilities != 0xffff) { 481200171Smav bytecount = min(8192, bytecount); 482200171Smav } 483200171Smav /* Report bytecount to SIM. */ 484200171Smav bzero(&cts, sizeof(cts)); 485200171Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 486200171Smav cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 487200171Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 488200171Smav if (path->device->transport == XPORT_ATA) { 489200171Smav cts.xport_specific.ata.bytecount = bytecount; 490200171Smav cts.xport_specific.ata.valid = CTS_ATA_VALID_BYTECOUNT; 491200171Smav } else { 492200171Smav cts.xport_specific.sata.bytecount = bytecount; 493200171Smav cts.xport_specific.sata.valid = CTS_SATA_VALID_BYTECOUNT; 494200171Smav } 495200171Smav xpt_action((union ccb *)&cts); 496200171Smav /* FALLTHROUGH */ 497200171Smav } 498195534Sscottl case PROBE_FULL_INQUIRY: 499195534Sscottl { 500195534Sscottl u_int inquiry_len; 501195534Sscottl struct scsi_inquiry_data *inq_buf = 502195534Sscottl &periph->path->device->inq_data; 503195534Sscottl 504195534Sscottl if (softc->action == PROBE_INQUIRY) 505195534Sscottl inquiry_len = SHORT_INQUIRY_LENGTH; 506195534Sscottl else 507195534Sscottl inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 508195534Sscottl /* 509195534Sscottl * Some parallel SCSI devices fail to send an 510195534Sscottl * ignore wide residue message when dealing with 511195534Sscottl * odd length inquiry requests. Round up to be 512195534Sscottl * safe. 513195534Sscottl */ 514195534Sscottl inquiry_len = roundup2(inquiry_len, 2); 515195534Sscottl scsi_inquiry(csio, 516195534Sscottl /*retries*/1, 517195534Sscottl probedone, 518195534Sscottl MSG_SIMPLE_Q_TAG, 519195534Sscottl (u_int8_t *)inq_buf, 520195534Sscottl inquiry_len, 521195534Sscottl /*evpd*/FALSE, 522195534Sscottl /*page_code*/0, 523195534Sscottl SSD_MIN_SIZE, 524195534Sscottl /*timeout*/60 * 1000); 525195534Sscottl break; 526195534Sscottl } 527195534Sscottl case PROBE_PM_PID: 528195534Sscottl cam_fill_ataio(ataio, 529195534Sscottl 1, 530195534Sscottl probedone, 531195534Sscottl /*flags*/CAM_DIR_NONE, 532198389Smav 0, 533195534Sscottl /*data_ptr*/NULL, 534195534Sscottl /*dxfer_len*/0, 535195534Sscottl 10 * 1000); 536195534Sscottl ata_pm_read_cmd(ataio, 0, 15); 537195534Sscottl break; 538195534Sscottl case PROBE_PM_PRV: 539195534Sscottl cam_fill_ataio(ataio, 540195534Sscottl 1, 541195534Sscottl probedone, 542195534Sscottl /*flags*/CAM_DIR_NONE, 543198389Smav 0, 544195534Sscottl /*data_ptr*/NULL, 545195534Sscottl /*dxfer_len*/0, 546195534Sscottl 10 * 1000); 547195534Sscottl ata_pm_read_cmd(ataio, 1, 15); 548195534Sscottl break; 549195534Sscottl case PROBE_INVALID: 550198708Smav CAM_DEBUG(path, CAM_DEBUG_INFO, 551195534Sscottl ("probestart: invalid action state\n")); 552195534Sscottl default: 553195534Sscottl break; 554195534Sscottl } 555195534Sscottl xpt_action(start_ccb); 556195534Sscottl} 557195534Sscottl#if 0 558195534Sscottlstatic void 559195534Sscottlproberequestdefaultnegotiation(struct cam_periph *periph) 560195534Sscottl{ 561195534Sscottl struct ccb_trans_settings cts; 562195534Sscottl 563198382Smav xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 564195534Sscottl cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 565195534Sscottl cts.type = CTS_TYPE_USER_SETTINGS; 566195534Sscottl xpt_action((union ccb *)&cts); 567195534Sscottl if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 568195534Sscottl return; 569195534Sscottl } 570195534Sscottl cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 571195534Sscottl cts.type = CTS_TYPE_CURRENT_SETTINGS; 572195534Sscottl xpt_action((union ccb *)&cts); 573195534Sscottl} 574195534Sscottl 575195534Sscottl/* 576195534Sscottl * Backoff Negotiation Code- only pertinent for SPI devices. 577195534Sscottl */ 578195534Sscottlstatic int 579195534Sscottlproberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 580195534Sscottl{ 581195534Sscottl struct ccb_trans_settings cts; 582195534Sscottl struct ccb_trans_settings_spi *spi; 583195534Sscottl 584195534Sscottl memset(&cts, 0, sizeof (cts)); 585198382Smav xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 586195534Sscottl cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 587195534Sscottl cts.type = CTS_TYPE_CURRENT_SETTINGS; 588195534Sscottl xpt_action((union ccb *)&cts); 589195534Sscottl if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 590195534Sscottl if (bootverbose) { 591195534Sscottl xpt_print(periph->path, 592195534Sscottl "failed to get current device settings\n"); 593195534Sscottl } 594195534Sscottl return (0); 595195534Sscottl } 596195534Sscottl if (cts.transport != XPORT_SPI) { 597195534Sscottl if (bootverbose) { 598195534Sscottl xpt_print(periph->path, "not SPI transport\n"); 599195534Sscottl } 600195534Sscottl return (0); 601195534Sscottl } 602195534Sscottl spi = &cts.xport_specific.spi; 603195534Sscottl 604195534Sscottl /* 605195534Sscottl * We cannot renegotiate sync rate if we don't have one. 606195534Sscottl */ 607195534Sscottl if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 608195534Sscottl if (bootverbose) { 609195534Sscottl xpt_print(periph->path, "no sync rate known\n"); 610195534Sscottl } 611195534Sscottl return (0); 612195534Sscottl } 613195534Sscottl 614195534Sscottl /* 615195534Sscottl * We'll assert that we don't have to touch PPR options- the 616195534Sscottl * SIM will see what we do with period and offset and adjust 617195534Sscottl * the PPR options as appropriate. 618195534Sscottl */ 619195534Sscottl 620195534Sscottl /* 621195534Sscottl * A sync rate with unknown or zero offset is nonsensical. 622195534Sscottl * A sync period of zero means Async. 623195534Sscottl */ 624195534Sscottl if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 625195534Sscottl || spi->sync_offset == 0 || spi->sync_period == 0) { 626195534Sscottl if (bootverbose) { 627195534Sscottl xpt_print(periph->path, "no sync rate available\n"); 628195534Sscottl } 629195534Sscottl return (0); 630195534Sscottl } 631195534Sscottl 632195534Sscottl if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 633195534Sscottl CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 634195534Sscottl ("hit async: giving up on DV\n")); 635195534Sscottl return (0); 636195534Sscottl } 637195534Sscottl 638195534Sscottl 639195534Sscottl /* 640195534Sscottl * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 641195534Sscottl * We don't try to remember 'last' settings to see if the SIM actually 642195534Sscottl * gets into the speed we want to set. We check on the SIM telling 643195534Sscottl * us that a requested speed is bad, but otherwise don't try and 644195534Sscottl * check the speed due to the asynchronous and handshake nature 645195534Sscottl * of speed setting. 646195534Sscottl */ 647195534Sscottl spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 648195534Sscottl for (;;) { 649195534Sscottl spi->sync_period++; 650195534Sscottl if (spi->sync_period >= 0xf) { 651195534Sscottl spi->sync_period = 0; 652195534Sscottl spi->sync_offset = 0; 653195534Sscottl CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 654195534Sscottl ("setting to async for DV\n")); 655195534Sscottl /* 656195534Sscottl * Once we hit async, we don't want to try 657195534Sscottl * any more settings. 658195534Sscottl */ 659195534Sscottl device->flags |= CAM_DEV_DV_HIT_BOTTOM; 660195534Sscottl } else if (bootverbose) { 661195534Sscottl CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 662195534Sscottl ("DV: period 0x%x\n", spi->sync_period)); 663195534Sscottl printf("setting period to 0x%x\n", spi->sync_period); 664195534Sscottl } 665195534Sscottl cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 666195534Sscottl cts.type = CTS_TYPE_CURRENT_SETTINGS; 667195534Sscottl xpt_action((union ccb *)&cts); 668195534Sscottl if ((cts.ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 669195534Sscottl break; 670195534Sscottl } 671195534Sscottl CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 672195534Sscottl ("DV: failed to set period 0x%x\n", spi->sync_period)); 673195534Sscottl if (spi->sync_period == 0) { 674195534Sscottl return (0); 675195534Sscottl } 676195534Sscottl } 677195534Sscottl return (1); 678195534Sscottl} 679195534Sscottl#endif 680195534Sscottlstatic void 681195534Sscottlprobedone(struct cam_periph *periph, union ccb *done_ccb) 682195534Sscottl{ 683199747Smav struct ccb_trans_settings cts; 684195534Sscottl struct ata_params *ident_buf; 685195534Sscottl probe_softc *softc; 686195534Sscottl struct cam_path *path; 687195534Sscottl u_int32_t priority; 688198389Smav int found = 1; 689195534Sscottl 690195534Sscottl CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 691195534Sscottl 692195534Sscottl softc = (probe_softc *)periph->softc; 693195534Sscottl path = done_ccb->ccb_h.path; 694195534Sscottl priority = done_ccb->ccb_h.pinfo.priority; 695195534Sscottl ident_buf = &path->device->ident_data; 696195534Sscottl 697198708Smav if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 698198708Smavdevice_fail: if (cam_periph_error(done_ccb, 0, 0, 699198708Smav &softc->saved_ccb) == ERESTART) { 700195534Sscottl return; 701195534Sscottl } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 702195534Sscottl /* Don't wedge the queue */ 703195534Sscottl xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 704195534Sscottl /*run_queue*/TRUE); 705195534Sscottl } 706198708Smav /* Old PIO2 devices may not support mode setting. */ 707198708Smav if (softc->action == PROBE_SETMODE && 708198708Smav ata_max_pmode(ident_buf) <= ATA_PIO2 && 709198708Smav (ident_buf->capabilities1 & ATA_SUPPORT_IORDY) == 0) 710198708Smav goto noerror; 711198708Smav /* 712198708Smav * If we get to this point, we got an error status back 713198708Smav * from the inquiry and the error status doesn't require 714198708Smav * automatically retrying the command. Therefore, the 715198708Smav * inquiry failed. If we had inquiry information before 716198708Smav * for this device, but this latest inquiry command failed, 717198708Smav * the device has probably gone away. If this device isn't 718198708Smav * already marked unconfigured, notify the peripheral 719198708Smav * drivers that this device is no more. 720198708Smav */ 721198708Smav if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 722198708Smav xpt_async(AC_LOST_DEVICE, path, NULL); 723198708Smav found = 0; 724198708Smav goto done; 725198708Smav } 726198708Smavnoerror: 727198708Smav switch (softc->action) { 728198708Smav case PROBE_RESET: 729195534Sscottl { 730198708Smav int sign = (done_ccb->ataio.res.lba_high << 8) + 731198708Smav done_ccb->ataio.res.lba_mid; 732198708Smav 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)); 741198708Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 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 768198708Smav for (ptr = (int16_t *)ident_buf; 769198708Smav ptr < (int16_t *)ident_buf + sizeof(struct ata_params)/2; ptr++) { 770198708Smav *ptr = le16toh(*ptr); 771198708Smav } 772198708Smav if (strncmp(ident_buf->model, "FX", 2) && 773198708Smav strncmp(ident_buf->model, "NEC", 3) && 774198708Smav strncmp(ident_buf->model, "Pioneer", 7) && 775198708Smav strncmp(ident_buf->model, "SHARP", 5)) { 776198708Smav ata_bswap(ident_buf->model, sizeof(ident_buf->model)); 777198708Smav ata_bswap(ident_buf->revision, sizeof(ident_buf->revision)); 778198708Smav ata_bswap(ident_buf->serial, sizeof(ident_buf->serial)); 779198708Smav } 780198708Smav ata_btrim(ident_buf->model, sizeof(ident_buf->model)); 781198708Smav ata_bpack(ident_buf->model, ident_buf->model, sizeof(ident_buf->model)); 782198708Smav ata_btrim(ident_buf->revision, sizeof(ident_buf->revision)); 783198708Smav ata_bpack(ident_buf->revision, ident_buf->revision, sizeof(ident_buf->revision)); 784198708Smav ata_btrim(ident_buf->serial, sizeof(ident_buf->serial)); 785198708Smav ata_bpack(ident_buf->serial, ident_buf->serial, sizeof(ident_buf->serial)); 786195534Sscottl 787198708Smav if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 788198708Smav /* Check that it is the same device. */ 789198708Smav MD5_CTX context; 790198708Smav u_int8_t digest[16]; 791198708Smav 792198708Smav MD5Init(&context); 793198708Smav MD5Update(&context, 794198708Smav (unsigned char *)ident_buf->model, 795198708Smav sizeof(ident_buf->model)); 796198708Smav MD5Update(&context, 797198708Smav (unsigned char *)ident_buf->revision, 798198708Smav sizeof(ident_buf->revision)); 799198708Smav MD5Update(&context, 800198708Smav (unsigned char *)ident_buf->serial, 801198708Smav sizeof(ident_buf->serial)); 802198708Smav MD5Final(digest, &context); 803198708Smav if (bcmp(digest, softc->digest, sizeof(digest))) { 804198708Smav /* Device changed. */ 805198708Smav xpt_async(AC_LOST_DEVICE, path, NULL); 806195534Sscottl } 807198708Smav } else { 808195534Sscottl /* Clean up from previous instance of this device */ 809195534Sscottl if (path->device->serial_num != NULL) { 810195534Sscottl free(path->device->serial_num, M_CAMXPT); 811195534Sscottl path->device->serial_num = NULL; 812195534Sscottl path->device->serial_num_len = 0; 813195534Sscottl } 814195534Sscottl path->device->serial_num = 815195534Sscottl (u_int8_t *)malloc((sizeof(ident_buf->serial) + 1), 816198708Smav M_CAMXPT, M_NOWAIT); 817195534Sscottl if (path->device->serial_num != NULL) { 818195534Sscottl bcopy(ident_buf->serial, 819195534Sscottl path->device->serial_num, 820195534Sscottl sizeof(ident_buf->serial)); 821195534Sscottl path->device->serial_num[sizeof(ident_buf->serial)] 822195534Sscottl = '\0'; 823195534Sscottl path->device->serial_num_len = 824195534Sscottl strlen(path->device->serial_num); 825195534Sscottl } 826195534Sscottl 827198331Smav path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 828195534Sscottl } 829199178Smav if (ident_buf->satacapabilities & ATA_SUPPORT_NCQ) { 830199178Smav path->device->mintags = path->device->maxtags = 831199178Smav ATA_QUEUE_LEN(ident_buf->queue) + 1; 832199178Smav } 833199178Smav ata_find_quirk(path->device); 834199263Smav if (path->device->mintags != 0 && 835199263Smav path->bus->sim->max_tagged_dev_openings != 0) { 836199747Smav /* Report SIM which tags are allowed. */ 837199747Smav bzero(&cts, sizeof(cts)); 838199747Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 839199747Smav cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 840199747Smav cts.type = CTS_TYPE_CURRENT_SETTINGS; 841199747Smav cts.xport_specific.sata.tags = path->device->maxtags; 842199747Smav cts.xport_specific.sata.valid = CTS_SATA_VALID_TAGS; 843199747Smav xpt_action((union ccb *)&cts); 844199747Smav /* Reconfigure queues for tagged queueing. */ 845199178Smav xpt_start_tags(path); 846199178Smav } 847198708Smav ata_device_transport(path); 848198708Smav PROBE_SET_ACTION(softc, PROBE_SETMODE); 849195534Sscottl xpt_release_ccb(done_ccb); 850198708Smav xpt_schedule(periph, priority); 851198708Smav return; 852195534Sscottl } 853195534Sscottl case PROBE_SETMODE: 854198708Smav if (path->device->protocol == PROTO_ATA) { 855198708Smav PROBE_SET_ACTION(softc, PROBE_SET_MULTI); 856198708Smav } else { 857198708Smav PROBE_SET_ACTION(softc, PROBE_INQUIRY); 858195534Sscottl } 859198708Smav xpt_release_ccb(done_ccb); 860198708Smav xpt_schedule(periph, priority); 861198708Smav return; 862198708Smav case PROBE_SET_MULTI: 863198708Smav if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 864198708Smav path->device->flags &= ~CAM_DEV_UNCONFIGURED; 865198748Smav xpt_acquire_device(path->device); 866198708Smav done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 867198708Smav xpt_action(done_ccb); 868198708Smav xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 869198708Smav done_ccb); 870198708Smav } 871198708Smav break; 872195534Sscottl case PROBE_INQUIRY: 873195534Sscottl case PROBE_FULL_INQUIRY: 874195534Sscottl { 875198708Smav struct scsi_inquiry_data *inq_buf; 876198708Smav u_int8_t periph_qual, len; 877195534Sscottl 878198708Smav path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 879198708Smav inq_buf = &path->device->inq_data; 880195534Sscottl 881198708Smav periph_qual = SID_QUAL(inq_buf); 882195534Sscottl 883198708Smav if (periph_qual != SID_QUAL_LU_CONNECTED) 884198708Smav break; 885195534Sscottl 886198708Smav /* 887198708Smav * We conservatively request only 888198708Smav * SHORT_INQUIRY_LEN bytes of inquiry 889198708Smav * information during our first try 890198708Smav * at sending an INQUIRY. If the device 891198708Smav * has more information to give, 892198708Smav * perform a second request specifying 893198708Smav * the amount of information the device 894198708Smav * is willing to give. 895198708Smav */ 896198708Smav len = inq_buf->additional_length 897198708Smav + offsetof(struct scsi_inquiry_data, additional_length) + 1; 898198708Smav if (softc->action == PROBE_INQUIRY 899198708Smav && len > SHORT_INQUIRY_LENGTH) { 900198708Smav PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 901198708Smav xpt_release_ccb(done_ccb); 902198708Smav xpt_schedule(periph, priority); 903195534Sscottl return; 904195534Sscottl } 905198708Smav 906198708Smav ata_device_transport(path); 907198708Smav if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 908198708Smav path->device->flags &= ~CAM_DEV_UNCONFIGURED; 909198748Smav xpt_acquire_device(path->device); 910198708Smav done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 911198708Smav xpt_action(done_ccb); 912198708Smav xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, done_ccb); 913198708Smav } 914198708Smav break; 915195534Sscottl } 916195534Sscottl case PROBE_PM_PID: 917198708Smav if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) == 0) 918198708Smav bzero(ident_buf, sizeof(*ident_buf)); 919198708Smav softc->pm_pid = (done_ccb->ataio.res.lba_high << 24) + 920198708Smav (done_ccb->ataio.res.lba_mid << 16) + 921198708Smav (done_ccb->ataio.res.lba_low << 8) + 922198708Smav done_ccb->ataio.res.sector_count; 923198708Smav ((uint32_t *)ident_buf)[0] = softc->pm_pid; 924198708Smav printf("PM Product ID: %08x\n", softc->pm_pid); 925198708Smav snprintf(ident_buf->model, sizeof(ident_buf->model), 926198708Smav "Port Multiplier %08x", softc->pm_pid); 927198708Smav PROBE_SET_ACTION(softc, PROBE_PM_PRV); 928198708Smav xpt_release_ccb(done_ccb); 929198708Smav xpt_schedule(periph, priority); 930198708Smav return; 931195534Sscottl case PROBE_PM_PRV: 932198708Smav softc->pm_prv = (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)[1] = softc->pm_prv; 937198708Smav printf("PM Revision: %08x\n", softc->pm_prv); 938198708Smav snprintf(ident_buf->revision, sizeof(ident_buf->revision), 939198708Smav "%04x", softc->pm_prv); 940198708Smav path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 941198708Smav if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 942198708Smav path->device->flags &= ~CAM_DEV_UNCONFIGURED; 943198748Smav xpt_acquire_device(path->device); 944198708Smav done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 945198708Smav xpt_action(done_ccb); 946198708Smav xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 947198708Smav done_ccb); 948198708Smav } else { 949198708Smav done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 950198708Smav xpt_action(done_ccb); 951198708Smav xpt_async(AC_SCSI_AEN, done_ccb->ccb_h.path, done_ccb); 952195534Sscottl } 953198708Smav break; 954195534Sscottl case PROBE_INVALID: 955195534Sscottl CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_INFO, 956195534Sscottl ("probedone: invalid action state\n")); 957195534Sscottl default: 958195534Sscottl break; 959195534Sscottl } 960198708Smavdone: 961198708Smav xpt_release_ccb(done_ccb); 962195534Sscottl done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 963195534Sscottl TAILQ_REMOVE(&softc->request_ccbs, &done_ccb->ccb_h, periph_links.tqe); 964195534Sscottl done_ccb->ccb_h.status = CAM_REQ_CMP; 965195534Sscottl done_ccb->ccb_h.ppriv_field1 = found; 966195534Sscottl xpt_done(done_ccb); 967195534Sscottl if (TAILQ_FIRST(&softc->request_ccbs) == NULL) { 968195534Sscottl cam_periph_invalidate(periph); 969195534Sscottl cam_periph_release_locked(periph); 970195534Sscottl } else { 971195534Sscottl probeschedule(periph); 972195534Sscottl } 973195534Sscottl} 974195534Sscottl 975195534Sscottlstatic void 976195534Sscottlprobecleanup(struct cam_periph *periph) 977195534Sscottl{ 978195534Sscottl free(periph->softc, M_CAMXPT); 979195534Sscottl} 980195534Sscottl 981195534Sscottlstatic void 982199178Smavata_find_quirk(struct cam_ed *device) 983195534Sscottl{ 984199178Smav struct ata_quirk_entry *quirk; 985195534Sscottl caddr_t match; 986195534Sscottl 987199178Smav match = cam_quirkmatch((caddr_t)&device->ident_data, 988199178Smav (caddr_t)ata_quirk_table, 989199178Smav ata_quirk_table_size, 990199178Smav sizeof(*ata_quirk_table), ata_identify_match); 991195534Sscottl 992195534Sscottl if (match == NULL) 993195534Sscottl panic("xpt_find_quirk: device didn't match wildcard entry!!"); 994195534Sscottl 995199178Smav quirk = (struct ata_quirk_entry *)match; 996195534Sscottl device->quirk = quirk; 997199178Smav if (quirk->quirks & CAM_QUIRK_MAXTAGS) 998199178Smav device->mintags = device->maxtags = quirk->maxtags; 999195534Sscottl} 1000195534Sscottl 1001195534Sscottltypedef struct { 1002195534Sscottl union ccb *request_ccb; 1003195534Sscottl struct ccb_pathinq *cpi; 1004195534Sscottl int counter; 1005195534Sscottl int found; 1006195534Sscottl} ata_scan_bus_info; 1007195534Sscottl 1008195534Sscottl/* 1009195534Sscottl * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1010195534Sscottl * As the scan progresses, xpt_scan_bus is used as the 1011195534Sscottl * callback on completion function. 1012195534Sscottl */ 1013195534Sscottlstatic void 1014195534Sscottlata_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1015195534Sscottl{ 1016195534Sscottl struct cam_path *path; 1017195534Sscottl ata_scan_bus_info *scan_info; 1018195534Sscottl union ccb *work_ccb; 1019195534Sscottl cam_status status; 1020195534Sscottl 1021195534Sscottl CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1022195534Sscottl ("xpt_scan_bus\n")); 1023195534Sscottl switch (request_ccb->ccb_h.func_code) { 1024195534Sscottl case XPT_SCAN_BUS: 1025195534Sscottl /* Find out the characteristics of the bus */ 1026195534Sscottl work_ccb = xpt_alloc_ccb_nowait(); 1027195534Sscottl if (work_ccb == NULL) { 1028195534Sscottl request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1029195534Sscottl xpt_done(request_ccb); 1030195534Sscottl return; 1031195534Sscottl } 1032195534Sscottl xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1033195534Sscottl request_ccb->ccb_h.pinfo.priority); 1034195534Sscottl work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1035195534Sscottl xpt_action(work_ccb); 1036195534Sscottl if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1037195534Sscottl request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1038195534Sscottl xpt_free_ccb(work_ccb); 1039195534Sscottl xpt_done(request_ccb); 1040195534Sscottl return; 1041195534Sscottl } 1042195534Sscottl 1043195534Sscottl /* Save some state for use while we probe for devices */ 1044195534Sscottl scan_info = (ata_scan_bus_info *) 1045195534Sscottl malloc(sizeof(ata_scan_bus_info), M_CAMXPT, M_NOWAIT); 1046195534Sscottl if (scan_info == NULL) { 1047195534Sscottl request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1048195534Sscottl xpt_done(request_ccb); 1049195534Sscottl return; 1050195534Sscottl } 1051195534Sscottl scan_info->request_ccb = request_ccb; 1052195534Sscottl scan_info->cpi = &work_ccb->cpi; 1053198331Smav if (scan_info->cpi->transport == XPORT_ATA) 1054198331Smav scan_info->found = 0x0003; 1055198331Smav else 1056198331Smav scan_info->found = 0x8001; 1057195534Sscottl scan_info->counter = 0; 1058195534Sscottl /* If PM supported, probe it first. */ 1059195534Sscottl if (scan_info->cpi->hba_inquiry & PI_SATAPM) 1060195534Sscottl scan_info->counter = 15; 1061195534Sscottl 1062195534Sscottl work_ccb = xpt_alloc_ccb_nowait(); 1063195534Sscottl if (work_ccb == NULL) { 1064195534Sscottl free(scan_info, M_CAMXPT); 1065195534Sscottl request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1066195534Sscottl xpt_done(request_ccb); 1067195534Sscottl break; 1068195534Sscottl } 1069195534Sscottl goto scan_next; 1070195534Sscottl case XPT_SCAN_LUN: 1071195534Sscottl work_ccb = request_ccb; 1072195534Sscottl /* Reuse the same CCB to query if a device was really found */ 1073195534Sscottl scan_info = (ata_scan_bus_info *)work_ccb->ccb_h.ppriv_ptr0; 1074195534Sscottl /* Free the current request path- we're done with it. */ 1075195534Sscottl xpt_free_path(work_ccb->ccb_h.path); 1076198389Smav /* If there is PMP... */ 1077195534Sscottl if (scan_info->counter == 15) { 1078195534Sscottl if (work_ccb->ccb_h.ppriv_field1 != 0) { 1079198389Smav /* everything else willbe probed by it */ 1080198389Smav scan_info->found = 0x8000; 1081195534Sscottl } else { 1082195534Sscottl struct ccb_trans_settings cts; 1083195534Sscottl 1084195534Sscottl /* Report SIM that PM is absent. */ 1085195534Sscottl bzero(&cts, sizeof(cts)); 1086195534Sscottl xpt_setup_ccb(&cts.ccb_h, 1087195534Sscottl scan_info->request_ccb->ccb_h.path, 1); 1088195534Sscottl cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1089195534Sscottl cts.type = CTS_TYPE_CURRENT_SETTINGS; 1090195665Smav cts.xport_specific.sata.pm_present = 0; 1091195534Sscottl cts.xport_specific.sata.valid = CTS_SATA_VALID_PM; 1092195534Sscottl xpt_action((union ccb *)&cts); 1093195534Sscottl } 1094195534Sscottl } 1095195534Sscottltake_next: 1096195534Sscottl /* Take next device. Wrap from 15 (PM) to 0. */ 1097195534Sscottl scan_info->counter = (scan_info->counter + 1 ) & 0x0f; 1098198322Smav if (scan_info->counter > scan_info->cpi->max_target - 1099198322Smav ((scan_info->cpi->hba_inquiry & PI_SATAPM) ? 1 : 0)) { 1100195534Sscottl xpt_free_ccb(work_ccb); 1101195534Sscottl xpt_free_ccb((union ccb *)scan_info->cpi); 1102195534Sscottl request_ccb = scan_info->request_ccb; 1103195534Sscottl free(scan_info, M_CAMXPT); 1104195534Sscottl request_ccb->ccb_h.status = CAM_REQ_CMP; 1105195534Sscottl xpt_done(request_ccb); 1106195534Sscottl break; 1107195534Sscottl } 1108195534Sscottlscan_next: 1109198389Smav if ((scan_info->found & (1 << scan_info->counter)) == 0) 1110198389Smav goto take_next; 1111195534Sscottl status = xpt_create_path(&path, xpt_periph, 1112195534Sscottl scan_info->request_ccb->ccb_h.path_id, 1113195534Sscottl scan_info->counter, 0); 1114195534Sscottl if (status != CAM_REQ_CMP) { 1115195534Sscottl printf("xpt_scan_bus: xpt_create_path failed" 1116195534Sscottl " with status %#x, bus scan halted\n", 1117195534Sscottl status); 1118195534Sscottl xpt_free_ccb(work_ccb); 1119195534Sscottl xpt_free_ccb((union ccb *)scan_info->cpi); 1120195534Sscottl request_ccb = scan_info->request_ccb; 1121195534Sscottl free(scan_info, M_CAMXPT); 1122195534Sscottl request_ccb->ccb_h.status = status; 1123195534Sscottl xpt_done(request_ccb); 1124195534Sscottl break; 1125195534Sscottl } 1126195534Sscottl xpt_setup_ccb(&work_ccb->ccb_h, path, 1127195534Sscottl scan_info->request_ccb->ccb_h.pinfo.priority); 1128195534Sscottl work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1129195534Sscottl work_ccb->ccb_h.cbfcnp = ata_scan_bus; 1130195534Sscottl work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1131195534Sscottl work_ccb->crcn.flags = scan_info->request_ccb->crcn.flags; 1132195534Sscottl xpt_action(work_ccb); 1133195534Sscottl break; 1134195534Sscottl default: 1135195534Sscottl break; 1136195534Sscottl } 1137195534Sscottl} 1138195534Sscottl 1139195534Sscottlstatic void 1140195534Sscottlata_scan_lun(struct cam_periph *periph, struct cam_path *path, 1141195534Sscottl cam_flags flags, union ccb *request_ccb) 1142195534Sscottl{ 1143195534Sscottl struct ccb_pathinq cpi; 1144195534Sscottl cam_status status; 1145195534Sscottl struct cam_path *new_path; 1146195534Sscottl struct cam_periph *old_periph; 1147195534Sscottl 1148195534Sscottl CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1149195534Sscottl ("xpt_scan_lun\n")); 1150195534Sscottl 1151198382Smav xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 1152195534Sscottl cpi.ccb_h.func_code = XPT_PATH_INQ; 1153195534Sscottl xpt_action((union ccb *)&cpi); 1154195534Sscottl 1155195534Sscottl if (cpi.ccb_h.status != CAM_REQ_CMP) { 1156195534Sscottl if (request_ccb != NULL) { 1157195534Sscottl request_ccb->ccb_h.status = cpi.ccb_h.status; 1158195534Sscottl xpt_done(request_ccb); 1159195534Sscottl } 1160195534Sscottl return; 1161195534Sscottl } 1162195534Sscottl 1163195534Sscottl if (request_ccb == NULL) { 1164195534Sscottl request_ccb = malloc(sizeof(union ccb), M_CAMXPT, M_NOWAIT); 1165195534Sscottl if (request_ccb == NULL) { 1166195534Sscottl xpt_print(path, "xpt_scan_lun: can't allocate CCB, " 1167195534Sscottl "can't continue\n"); 1168195534Sscottl return; 1169195534Sscottl } 1170195534Sscottl new_path = malloc(sizeof(*new_path), M_CAMXPT, M_NOWAIT); 1171195534Sscottl if (new_path == NULL) { 1172195534Sscottl xpt_print(path, "xpt_scan_lun: can't allocate path, " 1173195534Sscottl "can't continue\n"); 1174195534Sscottl free(request_ccb, M_CAMXPT); 1175195534Sscottl return; 1176195534Sscottl } 1177195534Sscottl status = xpt_compile_path(new_path, xpt_periph, 1178195534Sscottl path->bus->path_id, 1179195534Sscottl path->target->target_id, 1180195534Sscottl path->device->lun_id); 1181195534Sscottl 1182195534Sscottl if (status != CAM_REQ_CMP) { 1183195534Sscottl xpt_print(path, "xpt_scan_lun: can't compile path, " 1184195534Sscottl "can't continue\n"); 1185195534Sscottl free(request_ccb, M_CAMXPT); 1186195534Sscottl free(new_path, M_CAMXPT); 1187195534Sscottl return; 1188195534Sscottl } 1189198382Smav xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_NORMAL); 1190195534Sscottl request_ccb->ccb_h.cbfcnp = xptscandone; 1191195534Sscottl request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1192195534Sscottl request_ccb->crcn.flags = flags; 1193195534Sscottl } 1194195534Sscottl 1195195653Smav if ((old_periph = cam_periph_find(path, "aprobe")) != NULL) { 1196195534Sscottl probe_softc *softc; 1197195534Sscottl 1198195534Sscottl softc = (probe_softc *)old_periph->softc; 1199195534Sscottl TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 1200195534Sscottl periph_links.tqe); 1201195534Sscottl } else { 1202195534Sscottl status = cam_periph_alloc(proberegister, NULL, probecleanup, 1203195653Smav probestart, "aprobe", 1204195534Sscottl CAM_PERIPH_BIO, 1205195534Sscottl request_ccb->ccb_h.path, NULL, 0, 1206195534Sscottl request_ccb); 1207195534Sscottl 1208195534Sscottl if (status != CAM_REQ_CMP) { 1209195534Sscottl xpt_print(path, "xpt_scan_lun: cam_alloc_periph " 1210195534Sscottl "returned an error, can't continue probe\n"); 1211195534Sscottl request_ccb->ccb_h.status = status; 1212195534Sscottl xpt_done(request_ccb); 1213195534Sscottl } 1214195534Sscottl } 1215195534Sscottl} 1216195534Sscottl 1217195534Sscottlstatic void 1218195534Sscottlxptscandone(struct cam_periph *periph, union ccb *done_ccb) 1219195534Sscottl{ 1220195534Sscottl xpt_release_path(done_ccb->ccb_h.path); 1221195534Sscottl free(done_ccb->ccb_h.path, M_CAMXPT); 1222195534Sscottl free(done_ccb, M_CAMXPT); 1223195534Sscottl} 1224195534Sscottl 1225195534Sscottlstatic struct cam_ed * 1226195534Sscottlata_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 1227195534Sscottl{ 1228195534Sscottl struct cam_path path; 1229199178Smav struct ata_quirk_entry *quirk; 1230195534Sscottl struct cam_ed *device; 1231195534Sscottl struct cam_ed *cur_device; 1232195534Sscottl 1233195534Sscottl device = xpt_alloc_device(bus, target, lun_id); 1234195534Sscottl if (device == NULL) 1235195534Sscottl return (NULL); 1236195534Sscottl 1237195534Sscottl /* 1238195534Sscottl * Take the default quirk entry until we have inquiry 1239195534Sscottl * data and can determine a better quirk to use. 1240195534Sscottl */ 1241199178Smav quirk = &ata_quirk_table[ata_quirk_table_size - 1]; 1242195534Sscottl device->quirk = (void *)quirk; 1243199178Smav device->mintags = 0; 1244199178Smav device->maxtags = 0; 1245195534Sscottl bzero(&device->inq_data, sizeof(device->inq_data)); 1246195534Sscottl device->inq_flags = 0; 1247195534Sscottl device->queue_flags = 0; 1248195534Sscottl device->serial_num = NULL; 1249195534Sscottl device->serial_num_len = 0; 1250195534Sscottl 1251195534Sscottl /* 1252195534Sscottl * XXX should be limited by number of CCBs this bus can 1253195534Sscottl * do. 1254195534Sscottl */ 1255195534Sscottl bus->sim->max_ccbs += device->ccbq.devq_openings; 1256195534Sscottl /* Insertion sort into our target's device list */ 1257195534Sscottl cur_device = TAILQ_FIRST(&target->ed_entries); 1258195534Sscottl while (cur_device != NULL && cur_device->lun_id < lun_id) 1259195534Sscottl cur_device = TAILQ_NEXT(cur_device, links); 1260195534Sscottl if (cur_device != NULL) { 1261195534Sscottl TAILQ_INSERT_BEFORE(cur_device, device, links); 1262195534Sscottl } else { 1263195534Sscottl TAILQ_INSERT_TAIL(&target->ed_entries, device, links); 1264195534Sscottl } 1265195534Sscottl target->generation++; 1266195534Sscottl if (lun_id != CAM_LUN_WILDCARD) { 1267195534Sscottl xpt_compile_path(&path, 1268195534Sscottl NULL, 1269195534Sscottl bus->path_id, 1270195534Sscottl target->target_id, 1271195534Sscottl lun_id); 1272195534Sscottl ata_device_transport(&path); 1273195534Sscottl xpt_release_path(&path); 1274195534Sscottl } 1275195534Sscottl 1276195534Sscottl return (device); 1277195534Sscottl} 1278195534Sscottl 1279195534Sscottlstatic void 1280195534Sscottlata_device_transport(struct cam_path *path) 1281195534Sscottl{ 1282195534Sscottl struct ccb_pathinq cpi; 1283198331Smav struct ccb_trans_settings cts; 1284198331Smav struct scsi_inquiry_data *inq_buf = NULL; 1285198331Smav struct ata_params *ident_buf = NULL; 1286195534Sscottl 1287195534Sscottl /* Get transport information from the SIM */ 1288198382Smav xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 1289195534Sscottl cpi.ccb_h.func_code = XPT_PATH_INQ; 1290195534Sscottl xpt_action((union ccb *)&cpi); 1291195534Sscottl 1292195534Sscottl path->device->transport = cpi.transport; 1293198331Smav if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 1294198331Smav inq_buf = &path->device->inq_data; 1295198331Smav if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) != 0) 1296198331Smav ident_buf = &path->device->ident_data; 1297198331Smav if (path->device->protocol == PROTO_ATA) { 1298198331Smav path->device->protocol_version = ident_buf ? 1299198331Smav ata_version(ident_buf->version_major) : cpi.protocol_version; 1300198331Smav } else if (path->device->protocol == PROTO_SCSI) { 1301198331Smav path->device->protocol_version = inq_buf ? 1302198331Smav SID_ANSI_REV(inq_buf) : cpi.protocol_version; 1303195534Sscottl } 1304198331Smav path->device->transport_version = ident_buf ? 1305198331Smav ata_version(ident_buf->version_major) : cpi.transport_version; 1306195534Sscottl 1307195534Sscottl /* Tell the controller what we think */ 1308198382Smav xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 1309195534Sscottl cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1310195534Sscottl cts.type = CTS_TYPE_CURRENT_SETTINGS; 1311195534Sscottl cts.transport = path->device->transport; 1312195534Sscottl cts.transport_version = path->device->transport_version; 1313195534Sscottl cts.protocol = path->device->protocol; 1314195534Sscottl cts.protocol_version = path->device->protocol_version; 1315195534Sscottl cts.proto_specific.valid = 0; 1316195534Sscottl cts.xport_specific.valid = 0; 1317195534Sscottl xpt_action((union ccb *)&cts); 1318195534Sscottl} 1319195534Sscottl 1320195534Sscottlstatic void 1321195534Sscottlata_action(union ccb *start_ccb) 1322195534Sscottl{ 1323195534Sscottl 1324195534Sscottl switch (start_ccb->ccb_h.func_code) { 1325195534Sscottl case XPT_SET_TRAN_SETTINGS: 1326195534Sscottl { 1327199178Smav ata_set_transfer_settings(&start_ccb->cts, 1328195534Sscottl start_ccb->ccb_h.path->device, 1329195534Sscottl /*async_update*/FALSE); 1330195534Sscottl break; 1331195534Sscottl } 1332195534Sscottl case XPT_SCAN_BUS: 1333195534Sscottl ata_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 1334195534Sscottl break; 1335195534Sscottl case XPT_SCAN_LUN: 1336195534Sscottl ata_scan_lun(start_ccb->ccb_h.path->periph, 1337195534Sscottl start_ccb->ccb_h.path, start_ccb->crcn.flags, 1338195534Sscottl start_ccb); 1339195534Sscottl break; 1340195534Sscottl case XPT_GET_TRAN_SETTINGS: 1341195534Sscottl { 1342195534Sscottl struct cam_sim *sim; 1343195534Sscottl 1344195534Sscottl sim = start_ccb->ccb_h.path->bus->sim; 1345195534Sscottl (*(sim->sim_action))(sim, start_ccb); 1346195534Sscottl break; 1347195534Sscottl } 1348195534Sscottl default: 1349195534Sscottl xpt_action_default(start_ccb); 1350195534Sscottl break; 1351195534Sscottl } 1352195534Sscottl} 1353195534Sscottl 1354195534Sscottlstatic void 1355199178Smavata_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_ed *device, 1356195534Sscottl int async_update) 1357195534Sscottl{ 1358195534Sscottl struct ccb_pathinq cpi; 1359195534Sscottl struct ccb_trans_settings cur_cts; 1360195534Sscottl struct ccb_trans_settings_scsi *scsi; 1361195534Sscottl struct ccb_trans_settings_scsi *cur_scsi; 1362195534Sscottl struct cam_sim *sim; 1363195534Sscottl struct scsi_inquiry_data *inq_data; 1364195534Sscottl 1365195534Sscottl if (device == NULL) { 1366195534Sscottl cts->ccb_h.status = CAM_PATH_INVALID; 1367195534Sscottl xpt_done((union ccb *)cts); 1368195534Sscottl return; 1369195534Sscottl } 1370195534Sscottl 1371195534Sscottl if (cts->protocol == PROTO_UNKNOWN 1372195534Sscottl || cts->protocol == PROTO_UNSPECIFIED) { 1373195534Sscottl cts->protocol = device->protocol; 1374195534Sscottl cts->protocol_version = device->protocol_version; 1375195534Sscottl } 1376195534Sscottl 1377195534Sscottl if (cts->protocol_version == PROTO_VERSION_UNKNOWN 1378195534Sscottl || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 1379195534Sscottl cts->protocol_version = device->protocol_version; 1380195534Sscottl 1381195534Sscottl if (cts->protocol != device->protocol) { 1382195534Sscottl xpt_print(cts->ccb_h.path, "Uninitialized Protocol %x:%x?\n", 1383195534Sscottl cts->protocol, device->protocol); 1384195534Sscottl cts->protocol = device->protocol; 1385195534Sscottl } 1386195534Sscottl 1387195534Sscottl if (cts->protocol_version > device->protocol_version) { 1388195534Sscottl if (bootverbose) { 1389195534Sscottl xpt_print(cts->ccb_h.path, "Down reving Protocol " 1390195534Sscottl "Version from %d to %d?\n", cts->protocol_version, 1391195534Sscottl device->protocol_version); 1392195534Sscottl } 1393195534Sscottl cts->protocol_version = device->protocol_version; 1394195534Sscottl } 1395195534Sscottl 1396195534Sscottl if (cts->transport == XPORT_UNKNOWN 1397195534Sscottl || cts->transport == XPORT_UNSPECIFIED) { 1398195534Sscottl cts->transport = device->transport; 1399195534Sscottl cts->transport_version = device->transport_version; 1400195534Sscottl } 1401195534Sscottl 1402195534Sscottl if (cts->transport_version == XPORT_VERSION_UNKNOWN 1403195534Sscottl || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 1404195534Sscottl cts->transport_version = device->transport_version; 1405195534Sscottl 1406195534Sscottl if (cts->transport != device->transport) { 1407195534Sscottl xpt_print(cts->ccb_h.path, "Uninitialized Transport %x:%x?\n", 1408195534Sscottl cts->transport, device->transport); 1409195534Sscottl cts->transport = device->transport; 1410195534Sscottl } 1411195534Sscottl 1412195534Sscottl if (cts->transport_version > device->transport_version) { 1413195534Sscottl if (bootverbose) { 1414195534Sscottl xpt_print(cts->ccb_h.path, "Down reving Transport " 1415195534Sscottl "Version from %d to %d?\n", cts->transport_version, 1416195534Sscottl device->transport_version); 1417195534Sscottl } 1418195534Sscottl cts->transport_version = device->transport_version; 1419195534Sscottl } 1420195534Sscottl 1421195534Sscottl sim = cts->ccb_h.path->bus->sim; 1422195534Sscottl 1423195534Sscottl /* 1424195534Sscottl * Nothing more of interest to do unless 1425195534Sscottl * this is a device connected via the 1426195534Sscottl * SCSI protocol. 1427195534Sscottl */ 1428195534Sscottl if (cts->protocol != PROTO_SCSI) { 1429195534Sscottl if (async_update == FALSE) 1430195534Sscottl (*(sim->sim_action))(sim, (union ccb *)cts); 1431195534Sscottl return; 1432195534Sscottl } 1433195534Sscottl 1434195534Sscottl inq_data = &device->inq_data; 1435195534Sscottl scsi = &cts->proto_specific.scsi; 1436198382Smav xpt_setup_ccb(&cpi.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NORMAL); 1437195534Sscottl cpi.ccb_h.func_code = XPT_PATH_INQ; 1438195534Sscottl xpt_action((union ccb *)&cpi); 1439195534Sscottl 1440195534Sscottl /* SCSI specific sanity checking */ 1441195534Sscottl if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 1442195534Sscottl || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 1443195534Sscottl || (device->queue_flags & SCP_QUEUE_DQUE) != 0 1444195534Sscottl || (device->mintags == 0)) { 1445195534Sscottl /* 1446195534Sscottl * Can't tag on hardware that doesn't support tags, 1447195534Sscottl * doesn't have it enabled, or has broken tag support. 1448195534Sscottl */ 1449195534Sscottl scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1450195534Sscottl } 1451195534Sscottl 1452195534Sscottl if (async_update == FALSE) { 1453195534Sscottl /* 1454195534Sscottl * Perform sanity checking against what the 1455195534Sscottl * controller and device can do. 1456195534Sscottl */ 1457198382Smav xpt_setup_ccb(&cur_cts.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NORMAL); 1458195534Sscottl cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1459195534Sscottl cur_cts.type = cts->type; 1460195534Sscottl xpt_action((union ccb *)&cur_cts); 1461195534Sscottl if ((cur_cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1462195534Sscottl return; 1463195534Sscottl } 1464195534Sscottl cur_scsi = &cur_cts.proto_specific.scsi; 1465195534Sscottl if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 1466195534Sscottl scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1467195534Sscottl scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 1468195534Sscottl } 1469195534Sscottl if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 1470195534Sscottl scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1471195534Sscottl } 1472195534Sscottl 1473195534Sscottl if (cts->type == CTS_TYPE_CURRENT_SETTINGS 1474195534Sscottl && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 1475195534Sscottl int device_tagenb; 1476195534Sscottl 1477195534Sscottl /* 1478195534Sscottl * If we are transitioning from tags to no-tags or 1479195534Sscottl * vice-versa, we need to carefully freeze and restart 1480195534Sscottl * the queue so that we don't overlap tagged and non-tagged 1481195534Sscottl * commands. We also temporarily stop tags if there is 1482195534Sscottl * a change in transfer negotiation settings to allow 1483195534Sscottl * "tag-less" negotiation. 1484195534Sscottl */ 1485195534Sscottl if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 1486195534Sscottl || (device->inq_flags & SID_CmdQue) != 0) 1487195534Sscottl device_tagenb = TRUE; 1488195534Sscottl else 1489195534Sscottl device_tagenb = FALSE; 1490195534Sscottl 1491195534Sscottl if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 1492195534Sscottl && device_tagenb == FALSE) 1493195534Sscottl || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 1494195534Sscottl && device_tagenb == TRUE)) { 1495195534Sscottl 1496195534Sscottl if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 1497195534Sscottl /* 1498195534Sscottl * Delay change to use tags until after a 1499195534Sscottl * few commands have gone to this device so 1500195534Sscottl * the controller has time to perform transfer 1501195534Sscottl * negotiations without tagged messages getting 1502195534Sscottl * in the way. 1503195534Sscottl */ 1504195534Sscottl device->tag_delay_count = CAM_TAG_DELAY_COUNT; 1505195534Sscottl device->flags |= CAM_DEV_TAG_AFTER_COUNT; 1506195534Sscottl } else { 1507199178Smav xpt_stop_tags(cts->ccb_h.path); 1508195534Sscottl } 1509195534Sscottl } 1510195534Sscottl } 1511195534Sscottl if (async_update == FALSE) 1512195534Sscottl (*(sim->sim_action))(sim, (union ccb *)cts); 1513195534Sscottl} 1514195534Sscottl 1515195534Sscottl/* 1516195534Sscottl * Handle any per-device event notifications that require action by the XPT. 1517195534Sscottl */ 1518195534Sscottlstatic void 1519195534Sscottlata_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 1520195534Sscottl struct cam_ed *device, void *async_arg) 1521195534Sscottl{ 1522195534Sscottl cam_status status; 1523195534Sscottl struct cam_path newpath; 1524195534Sscottl 1525195534Sscottl /* 1526195534Sscottl * We only need to handle events for real devices. 1527195534Sscottl */ 1528195534Sscottl if (target->target_id == CAM_TARGET_WILDCARD 1529195534Sscottl || device->lun_id == CAM_LUN_WILDCARD) 1530195534Sscottl return; 1531195534Sscottl 1532195534Sscottl /* 1533195534Sscottl * We need our own path with wildcards expanded to 1534195534Sscottl * handle certain types of events. 1535195534Sscottl */ 1536195534Sscottl if ((async_code == AC_SENT_BDR) 1537195534Sscottl || (async_code == AC_BUS_RESET) 1538195534Sscottl || (async_code == AC_INQ_CHANGED)) 1539195534Sscottl status = xpt_compile_path(&newpath, NULL, 1540195534Sscottl bus->path_id, 1541195534Sscottl target->target_id, 1542195534Sscottl device->lun_id); 1543195534Sscottl else 1544195534Sscottl status = CAM_REQ_CMP_ERR; 1545195534Sscottl 1546195534Sscottl if (status == CAM_REQ_CMP) { 1547195534Sscottl if (async_code == AC_INQ_CHANGED) { 1548195534Sscottl /* 1549195534Sscottl * We've sent a start unit command, or 1550195534Sscottl * something similar to a device that 1551195534Sscottl * may have caused its inquiry data to 1552195534Sscottl * change. So we re-scan the device to 1553195534Sscottl * refresh the inquiry data for it. 1554195534Sscottl */ 1555195534Sscottl ata_scan_lun(newpath.periph, &newpath, 1556195534Sscottl CAM_EXPECT_INQ_CHANGE, NULL); 1557195534Sscottl } 1558195534Sscottl xpt_release_path(&newpath); 1559198748Smav } else if (async_code == AC_LOST_DEVICE && 1560198748Smav (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 1561195534Sscottl device->flags |= CAM_DEV_UNCONFIGURED; 1562198748Smav xpt_release_device(device); 1563195534Sscottl } else if (async_code == AC_TRANSFER_NEG) { 1564195534Sscottl struct ccb_trans_settings *settings; 1565195534Sscottl 1566195534Sscottl settings = (struct ccb_trans_settings *)async_arg; 1567199178Smav ata_set_transfer_settings(settings, device, 1568195534Sscottl /*async_update*/TRUE); 1569195534Sscottl } 1570195534Sscottl} 1571195534Sscottl 1572