1139743Simp/*- 239213Sgibbs * Copyright (c) 1997 Justin T. Gibbs. 343819Sken * Copyright (c) 1997, 1998, 1999 Kenneth D. Merry. 439213Sgibbs * All rights reserved. 539213Sgibbs * 639213Sgibbs * Redistribution and use in source and binary forms, with or without 739213Sgibbs * modification, are permitted provided that the following conditions 839213Sgibbs * are met: 939213Sgibbs * 1. Redistributions of source code must retain the above copyright 1039213Sgibbs * notice, this list of conditions, and the following disclaimer, 1139213Sgibbs * without modification, immediately at the beginning of the file. 1239213Sgibbs * 2. The name of the author may not be used to endorse or promote products 1339213Sgibbs * derived from this software without specific prior written permission. 1439213Sgibbs * 1539213Sgibbs * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1639213Sgibbs * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1739213Sgibbs * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1839213Sgibbs * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 1939213Sgibbs * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2039213Sgibbs * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2139213Sgibbs * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2239213Sgibbs * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2339213Sgibbs * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2439213Sgibbs * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2539213Sgibbs * SUCH DAMAGE. 2639213Sgibbs */ 27116162Sobrien 2839213Sgibbs/* 2939213Sgibbs * Derived from the NetBSD SCSI changer driver. 3039213Sgibbs * 3139213Sgibbs * $NetBSD: ch.c,v 1.32 1998/01/12 09:49:12 thorpej Exp $ 3239213Sgibbs * 3339213Sgibbs */ 34139743Simp/*- 3539213Sgibbs * Copyright (c) 1996, 1997 Jason R. Thorpe <thorpej@and.com> 3639213Sgibbs * All rights reserved. 3739213Sgibbs * 3839213Sgibbs * Partially based on an autochanger driver written by Stefan Grefen 3939213Sgibbs * and on an autochanger driver written by the Systems Programming Group 4039213Sgibbs * at the University of Utah Computer Science Department. 4139213Sgibbs * 4239213Sgibbs * Redistribution and use in source and binary forms, with or without 4339213Sgibbs * modification, are permitted provided that the following conditions 4439213Sgibbs * are met: 4539213Sgibbs * 1. Redistributions of source code must retain the above copyright 4639213Sgibbs * notice, this list of conditions and the following disclaimer. 4739213Sgibbs * 2. Redistributions in binary form must reproduce the above copyright 4839213Sgibbs * notice, this list of conditions and the following disclaimer in the 4939213Sgibbs * documentation and/or other materials provided with the distribution. 5039213Sgibbs * 3. All advertising materials mentioning features or use of this software 5139213Sgibbs * must display the following acknowledgements: 5239213Sgibbs * This product includes software developed by Jason R. Thorpe 5339213Sgibbs * for And Communications, http://www.and.com/ 5439213Sgibbs * 4. The name of the author may not be used to endorse or promote products 5539213Sgibbs * derived from this software without specific prior written permission. 5639213Sgibbs * 5739213Sgibbs * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 5839213Sgibbs * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 5939213Sgibbs * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 6039213Sgibbs * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 6139213Sgibbs * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 6239213Sgibbs * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 6339213Sgibbs * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 6439213Sgibbs * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 6539213Sgibbs * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 6639213Sgibbs * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 6739213Sgibbs * SUCH DAMAGE. 6839213Sgibbs */ 6939213Sgibbs 70116162Sobrien#include <sys/cdefs.h> 71116162Sobrien__FBSDID("$FreeBSD: stable/10/sys/cam/scsi/scsi_ch.c 316791 2017-04-13 20:36:40Z bdrewery $"); 72116162Sobrien 7339213Sgibbs#include <sys/param.h> 7439213Sgibbs#include <sys/queue.h> 7539213Sgibbs#include <sys/systm.h> 7639213Sgibbs#include <sys/kernel.h> 7739213Sgibbs#include <sys/types.h> 7839213Sgibbs#include <sys/malloc.h> 7939213Sgibbs#include <sys/fcntl.h> 8039213Sgibbs#include <sys/conf.h> 8139213Sgibbs#include <sys/chio.h> 8239213Sgibbs#include <sys/errno.h> 8339213Sgibbs#include <sys/devicestat.h> 8439213Sgibbs 8539213Sgibbs#include <cam/cam.h> 8639213Sgibbs#include <cam/cam_ccb.h> 8739213Sgibbs#include <cam/cam_periph.h> 8839213Sgibbs#include <cam/cam_xpt_periph.h> 8939213Sgibbs#include <cam/cam_debug.h> 9039213Sgibbs 9139213Sgibbs#include <cam/scsi/scsi_all.h> 9239213Sgibbs#include <cam/scsi/scsi_message.h> 9339213Sgibbs#include <cam/scsi/scsi_ch.h> 9439213Sgibbs 9539213Sgibbs/* 9639213Sgibbs * Timeout definitions for various changer related commands. They may 9739213Sgibbs * be too short for some devices (especially the timeout for INITIALIZE 9839213Sgibbs * ELEMENT STATUS). 9939213Sgibbs */ 10039213Sgibbs 10142017Seivindstatic const u_int32_t CH_TIMEOUT_MODE_SENSE = 6000; 102255043Skenstatic const u_int32_t CH_TIMEOUT_MOVE_MEDIUM = 15 * 60 * 1000; 103255043Skenstatic const u_int32_t CH_TIMEOUT_EXCHANGE_MEDIUM = 15 * 60 * 1000; 104255043Skenstatic const u_int32_t CH_TIMEOUT_POSITION_TO_ELEMENT = 15 * 60 * 1000; 105255043Skenstatic const u_int32_t CH_TIMEOUT_READ_ELEMENT_STATUS = 5 * 60 * 1000; 10642017Seivindstatic const u_int32_t CH_TIMEOUT_SEND_VOLTAG = 10000; 10742017Seivindstatic const u_int32_t CH_TIMEOUT_INITIALIZE_ELEMENT_STATUS = 500000; 10839213Sgibbs 10939213Sgibbstypedef enum { 110236138Sken CH_FLAG_INVALID = 0x001 11139213Sgibbs} ch_flags; 11239213Sgibbs 11339213Sgibbstypedef enum { 11439213Sgibbs CH_STATE_PROBE, 11539213Sgibbs CH_STATE_NORMAL 11639213Sgibbs} ch_state; 11739213Sgibbs 11839213Sgibbstypedef enum { 119260387Sscottl CH_CCB_PROBE 12039213Sgibbs} ch_ccb_types; 12139213Sgibbs 12239885Skentypedef enum { 12339885Sken CH_Q_NONE = 0x00, 124253274Sken CH_Q_NO_DBD = 0x01, 125253274Sken CH_Q_NO_DVCID = 0x02 12639885Sken} ch_quirks; 12739885Sken 128250792Ssmh#define CH_Q_BIT_STRING \ 129250792Ssmh "\020" \ 130253274Sken "\001NO_DBD" \ 131253274Sken "\002NO_DVCID" 132250792Ssmh 13339213Sgibbs#define ccb_state ppriv_field0 13439213Sgibbs#define ccb_bp ppriv_ptr1 13539213Sgibbs 13639213Sgibbsstruct scsi_mode_sense_data { 13739213Sgibbs struct scsi_mode_header_6 header; 13839885Sken struct scsi_mode_blk_desc blk_desc; 13939213Sgibbs union { 14039213Sgibbs struct page_element_address_assignment ea; 14139213Sgibbs struct page_transport_geometry_parameters tg; 14239213Sgibbs struct page_device_capabilities cap; 14339213Sgibbs } pages; 14439213Sgibbs}; 14539213Sgibbs 14639213Sgibbsstruct ch_softc { 14739213Sgibbs ch_flags flags; 14839213Sgibbs ch_state state; 14939885Sken ch_quirks quirks; 15039213Sgibbs union ccb saved_ccb; 151112006Sphk struct devstat *device_stats; 152244014Sken struct cdev *dev; 153244014Sken int open_count; 15439213Sgibbs 15539213Sgibbs int sc_picker; /* current picker */ 15639213Sgibbs 15739213Sgibbs /* 15839213Sgibbs * The following information is obtained from the 15939213Sgibbs * element address assignment page. 16039213Sgibbs */ 161115464Sphk int sc_firsts[CHET_MAX + 1]; /* firsts */ 162115464Sphk int sc_counts[CHET_MAX + 1]; /* counts */ 16339213Sgibbs 16439213Sgibbs /* 16539213Sgibbs * The following mask defines the legal combinations 16639213Sgibbs * of elements for the MOVE MEDIUM command. 16739213Sgibbs */ 168115464Sphk u_int8_t sc_movemask[CHET_MAX + 1]; 16939213Sgibbs 17039213Sgibbs /* 17139213Sgibbs * As above, but for EXCHANGE MEDIUM. 17239213Sgibbs */ 173115464Sphk u_int8_t sc_exchangemask[CHET_MAX + 1]; 17439213Sgibbs 17539213Sgibbs /* 17639213Sgibbs * Quirks; see below. XXX KDM not implemented yet 17739213Sgibbs */ 17839213Sgibbs int sc_settledelay; /* delay for settle */ 17939213Sgibbs}; 18039213Sgibbs 18139213Sgibbsstatic d_open_t chopen; 18239213Sgibbsstatic d_close_t chclose; 18339213Sgibbsstatic d_ioctl_t chioctl; 18439213Sgibbsstatic periph_init_t chinit; 18539213Sgibbsstatic periph_ctor_t chregister; 18640603Skenstatic periph_oninv_t choninvalidate; 18739213Sgibbsstatic periph_dtor_t chcleanup; 18839213Sgibbsstatic periph_start_t chstart; 18939213Sgibbsstatic void chasync(void *callback_arg, u_int32_t code, 19039213Sgibbs struct cam_path *path, void *arg); 19139213Sgibbsstatic void chdone(struct cam_periph *periph, 19239213Sgibbs union ccb *done_ccb); 19339213Sgibbsstatic int cherror(union ccb *ccb, u_int32_t cam_flags, 19439213Sgibbs u_int32_t sense_flags); 19539213Sgibbsstatic int chmove(struct cam_periph *periph, 19639213Sgibbs struct changer_move *cm); 19739213Sgibbsstatic int chexchange(struct cam_periph *periph, 19839213Sgibbs struct changer_exchange *ce); 19939213Sgibbsstatic int chposition(struct cam_periph *periph, 20039213Sgibbs struct changer_position *cp); 20139213Sgibbsstatic int chgetelemstatus(struct cam_periph *periph, 202249658Sken int scsi_version, u_long cmd, 20339213Sgibbs struct changer_element_status_request *csr); 20439213Sgibbsstatic int chsetvoltag(struct cam_periph *periph, 20539213Sgibbs struct changer_set_voltag_request *csvr); 20639213Sgibbsstatic int chielem(struct cam_periph *periph, 20739213Sgibbs unsigned int timeout); 20839213Sgibbsstatic int chgetparams(struct cam_periph *periph); 209249658Skenstatic int chscsiversion(struct cam_periph *periph); 21039213Sgibbs 21139213Sgibbsstatic struct periph_driver chdriver = 21239213Sgibbs{ 21339213Sgibbs chinit, "ch", 21439213Sgibbs TAILQ_HEAD_INITIALIZER(chdriver.units), /* generation */ 0 21539213Sgibbs}; 21639213Sgibbs 21772119SpeterPERIPHDRIVER_DECLARE(ch, chdriver); 21839213Sgibbs 21947625Sphkstatic struct cdevsw ch_cdevsw = { 220126080Sphk .d_version = D_VERSION, 221236138Sken .d_flags = D_TRACKCLOSE, 222111815Sphk .d_open = chopen, 223111815Sphk .d_close = chclose, 224111815Sphk .d_ioctl = chioctl, 225111815Sphk .d_name = "ch", 22639213Sgibbs}; 22739213Sgibbs 228227293Sedstatic MALLOC_DEFINE(M_SCSICH, "scsi_ch", "scsi_ch buffers"); 229169562Sscottl 230104094Sphkstatic void 23139213Sgibbschinit(void) 23239213Sgibbs{ 23339213Sgibbs cam_status status; 23439213Sgibbs 23539213Sgibbs /* 23639213Sgibbs * Install a global async callback. This callback will 23739213Sgibbs * receive async callbacks like "new device found". 23839213Sgibbs */ 239169605Sscottl status = xpt_register_async(AC_FOUND_DEVICE, chasync, NULL, NULL); 24039213Sgibbs 24139213Sgibbs if (status != CAM_REQ_CMP) { 24239213Sgibbs printf("ch: Failed to attach master async callback " 24339213Sgibbs "due to status 0x%x!\n", status); 24439213Sgibbs } 24539213Sgibbs} 24639213Sgibbs 24739213Sgibbsstatic void 248244014Skenchdevgonecb(void *arg) 249244014Sken{ 250244014Sken struct ch_softc *softc; 251244014Sken struct cam_periph *periph; 252260387Sscottl struct mtx *mtx; 253244014Sken int i; 254244014Sken 255244014Sken periph = (struct cam_periph *)arg; 256260387Sscottl mtx = cam_periph_mtx(periph); 257260387Sscottl mtx_lock(mtx); 258260387Sscottl 259244014Sken softc = (struct ch_softc *)periph->softc; 260244014Sken KASSERT(softc->open_count >= 0, ("Negative open count %d", 261244014Sken softc->open_count)); 262244014Sken 263244014Sken /* 264244014Sken * When we get this callback, we will get no more close calls from 265244014Sken * devfs. So if we have any dangling opens, we need to release the 266244014Sken * reference held for that particular context. 267244014Sken */ 268244014Sken for (i = 0; i < softc->open_count; i++) 269244014Sken cam_periph_release_locked(periph); 270244014Sken 271244014Sken softc->open_count = 0; 272244014Sken 273244014Sken /* 274244014Sken * Release the reference held for the device node, it is gone now. 275244014Sken */ 276244014Sken cam_periph_release_locked(periph); 277244014Sken 278244014Sken /* 279260387Sscottl * We reference the lock directly here, instead of using 280244014Sken * cam_periph_unlock(). The reason is that the final call to 281244014Sken * cam_periph_release_locked() above could result in the periph 282244014Sken * getting freed. If that is the case, dereferencing the periph 283244014Sken * with a cam_periph_unlock() call would cause a page fault. 284244014Sken */ 285260387Sscottl mtx_unlock(mtx); 286244014Sken} 287244014Sken 288244014Skenstatic void 28940603Skenchoninvalidate(struct cam_periph *periph) 29040603Sken{ 29140603Sken struct ch_softc *softc; 29240603Sken 29340603Sken softc = (struct ch_softc *)periph->softc; 29440603Sken 29540603Sken /* 29640603Sken * De-register any async callbacks. 29740603Sken */ 298169605Sscottl xpt_register_async(0, chasync, periph, periph->path); 29940603Sken 30040603Sken softc->flags |= CH_FLAG_INVALID; 30140603Sken 302244014Sken /* 303244014Sken * Tell devfs this device has gone away, and ask for a callback 304244014Sken * when it has cleaned up its state. 305244014Sken */ 306244014Sken destroy_dev_sched_cb(softc->dev, chdevgonecb, periph); 30740603Sken} 30840603Sken 30940603Skenstatic void 31039213Sgibbschcleanup(struct cam_periph *periph) 31139213Sgibbs{ 31240603Sken struct ch_softc *softc; 31339213Sgibbs 31440603Sken softc = (struct ch_softc *)periph->softc; 31540603Sken 316112006Sphk devstat_remove_entry(softc->device_stats); 317244014Sken 31840603Sken free(softc, M_DEVBUF); 31939213Sgibbs} 32039213Sgibbs 32139213Sgibbsstatic void 32239213Sgibbschasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg) 32339213Sgibbs{ 32439213Sgibbs struct cam_periph *periph; 32539213Sgibbs 32639213Sgibbs periph = (struct cam_periph *)callback_arg; 32739213Sgibbs 32839213Sgibbs switch(code) { 32939213Sgibbs case AC_FOUND_DEVICE: 33039213Sgibbs { 33139213Sgibbs struct ccb_getdev *cgd; 33239213Sgibbs cam_status status; 33339213Sgibbs 33439213Sgibbs cgd = (struct ccb_getdev *)arg; 33579177Smjacob if (cgd == NULL) 33679177Smjacob break; 33739213Sgibbs 338195534Sscottl if (cgd->protocol != PROTO_SCSI) 339195534Sscottl break; 340288338Smav if (SID_QUAL(&cgd->inq_data) != SID_QUAL_LU_CONNECTED) 341288338Smav break; 34256148Smjacob if (SID_TYPE(&cgd->inq_data)!= T_CHANGER) 34339213Sgibbs break; 34439213Sgibbs 34539213Sgibbs /* 34639213Sgibbs * Allocate a peripheral instance for 34739213Sgibbs * this device and start the probe 34839213Sgibbs * process. 34939213Sgibbs */ 35040603Sken status = cam_periph_alloc(chregister, choninvalidate, 35140603Sken chcleanup, chstart, "ch", 352260387Sscottl CAM_PERIPH_BIO, path, 35339213Sgibbs chasync, AC_FOUND_DEVICE, cgd); 35439213Sgibbs 35539213Sgibbs if (status != CAM_REQ_CMP 35639213Sgibbs && status != CAM_REQ_INPROG) 35739213Sgibbs printf("chasync: Unable to probe new device " 35839213Sgibbs "due to status 0x%x\n", status); 35939213Sgibbs 36039213Sgibbs break; 36139213Sgibbs 36239213Sgibbs } 36339213Sgibbs default: 36447413Sgibbs cam_periph_async(periph, code, path, arg); 36539213Sgibbs break; 36639213Sgibbs } 36739213Sgibbs} 36839213Sgibbs 36939213Sgibbsstatic cam_status 37039213Sgibbschregister(struct cam_periph *periph, void *arg) 37139213Sgibbs{ 37239213Sgibbs struct ch_softc *softc; 37339213Sgibbs struct ccb_getdev *cgd; 374220644Smav struct ccb_pathinq cpi; 375294978Skib struct make_dev_args args; 376294978Skib int error; 37739213Sgibbs 37839213Sgibbs cgd = (struct ccb_getdev *)arg; 37939213Sgibbs if (cgd == NULL) { 38039213Sgibbs printf("chregister: no getdev CCB, can't register device\n"); 38139213Sgibbs return(CAM_REQ_CMP_ERR); 38239213Sgibbs } 38339213Sgibbs 38439213Sgibbs softc = (struct ch_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 38539213Sgibbs 38639213Sgibbs if (softc == NULL) { 38739213Sgibbs printf("chregister: Unable to probe new device. " 38839213Sgibbs "Unable to allocate softc\n"); 38939213Sgibbs return(CAM_REQ_CMP_ERR); 39039213Sgibbs } 39139213Sgibbs 39239213Sgibbs bzero(softc, sizeof(*softc)); 39339213Sgibbs softc->state = CH_STATE_PROBE; 39439213Sgibbs periph->softc = softc; 39539885Sken softc->quirks = CH_Q_NONE; 39639213Sgibbs 397253274Sken /* 398253274Sken * The DVCID and CURDATA bits were not introduced until the SMC 399253274Sken * spec. If this device claims SCSI-2 or earlier support, then it 400253274Sken * very likely does not support these bits. 401253274Sken */ 402253274Sken if (cgd->inq_data.version <= SCSI_REV_2) 403253274Sken softc->quirks |= CH_Q_NO_DVCID; 404253274Sken 405220644Smav bzero(&cpi, sizeof(cpi)); 406220644Smav xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 407220644Smav cpi.ccb_h.func_code = XPT_PATH_INQ; 408220644Smav xpt_action((union ccb *)&cpi); 409220644Smav 41039213Sgibbs /* 41139213Sgibbs * Changers don't have a blocksize, and obviously don't support 41239213Sgibbs * tagged queueing. 41339213Sgibbs */ 414169605Sscottl cam_periph_unlock(periph); 415112006Sphk softc->device_stats = devstat_new_entry("ch", 41639213Sgibbs periph->unit_number, 0, 41739213Sgibbs DEVSTAT_NO_BLOCKSIZE | DEVSTAT_NO_ORDERED_TAGS, 418220644Smav SID_TYPE(&cgd->inq_data) | 419220644Smav XPORT_DEVSTAT_TYPE(cpi.transport), 42043819Sken DEVSTAT_PRIORITY_OTHER); 42139213Sgibbs 422244014Sken /* 423244014Sken * Acquire a reference to the periph before we create the devfs 424244014Sken * instance for it. We'll release this reference once the devfs 425244014Sken * instance has been freed. 426244014Sken */ 427244014Sken if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 428244014Sken xpt_print(periph->path, "%s: lost periph during " 429244014Sken "registration!\n", __func__); 430244014Sken cam_periph_lock(periph); 431244014Sken return (CAM_REQ_CMP_ERR); 432244014Sken } 433244014Sken 434244014Sken 43553520Smjacob /* Register the device */ 436294978Skib make_dev_args_init(&args); 437294978Skib args.mda_devsw = &ch_cdevsw; 438294978Skib args.mda_unit = periph->unit_number; 439294978Skib args.mda_uid = UID_ROOT; 440294978Skib args.mda_gid = GID_OPERATOR; 441294978Skib args.mda_mode = 0600; 442294978Skib args.mda_si_drv1 = periph; 443294978Skib error = make_dev_s(&args, &softc->dev, "%s%d", periph->periph_name, 444294978Skib periph->unit_number); 445168752Sscottl cam_periph_lock(periph); 446294978Skib if (error != 0) { 447294978Skib cam_periph_release_locked(periph); 448294978Skib return (CAM_REQ_CMP_ERR); 449294978Skib } 45053520Smjacob 45139213Sgibbs /* 45239213Sgibbs * Add an async callback so that we get 45339213Sgibbs * notified if this device goes away. 45439213Sgibbs */ 455169605Sscottl xpt_register_async(AC_LOST_DEVICE, chasync, periph, periph->path); 45639213Sgibbs 45739213Sgibbs /* 458168752Sscottl * Lock this periph until we are setup. 45939213Sgibbs * This first call can't block 46039213Sgibbs */ 461168752Sscottl (void)cam_periph_hold(periph, PRIBIO); 462203108Smav xpt_schedule(periph, CAM_PRIORITY_DEV); 46339213Sgibbs 46439213Sgibbs return(CAM_REQ_CMP); 46539213Sgibbs} 46639213Sgibbs 46739213Sgibbsstatic int 468130585Sphkchopen(struct cdev *dev, int flags, int fmt, struct thread *td) 46939213Sgibbs{ 47039213Sgibbs struct cam_periph *periph; 47139213Sgibbs struct ch_softc *softc; 472101940Snjl int error; 47339213Sgibbs 474101940Snjl periph = (struct cam_periph *)dev->si_drv1; 475168752Sscottl if (cam_periph_acquire(periph) != CAM_REQ_CMP) 476168752Sscottl return (ENXIO); 47739213Sgibbs 47839213Sgibbs softc = (struct ch_softc *)periph->softc; 47939213Sgibbs 480168752Sscottl cam_periph_lock(periph); 481168752Sscottl 48240603Sken if (softc->flags & CH_FLAG_INVALID) { 483236138Sken cam_periph_release_locked(periph); 484168752Sscottl cam_periph_unlock(periph); 48539213Sgibbs return(ENXIO); 48640603Sken } 48739213Sgibbs 488168752Sscottl if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 489168752Sscottl cam_periph_unlock(periph); 490168752Sscottl cam_periph_release(periph); 49139213Sgibbs return (error); 49241297Sken } 49341297Sken 49439213Sgibbs /* 49539213Sgibbs * Load information about this changer device into the softc. 49639213Sgibbs */ 49739213Sgibbs if ((error = chgetparams(periph)) != 0) { 498249658Sken cam_periph_unhold(periph); 499236138Sken cam_periph_release_locked(periph); 50039213Sgibbs cam_periph_unlock(periph); 50139213Sgibbs return(error); 50239213Sgibbs } 50339213Sgibbs 504168752Sscottl cam_periph_unhold(periph); 505244014Sken 506244014Sken softc->open_count++; 507244014Sken 50839213Sgibbs cam_periph_unlock(periph); 50939213Sgibbs 51039213Sgibbs return(error); 51139213Sgibbs} 51239213Sgibbs 51339213Sgibbsstatic int 514130585Sphkchclose(struct cdev *dev, int flag, int fmt, struct thread *td) 51539213Sgibbs{ 51639213Sgibbs struct cam_periph *periph; 517244014Sken struct ch_softc *softc; 518260387Sscottl struct mtx *mtx; 51939213Sgibbs 520101940Snjl periph = (struct cam_periph *)dev->si_drv1; 521260387Sscottl mtx = cam_periph_mtx(periph); 522260387Sscottl mtx_lock(mtx); 52339213Sgibbs 524244014Sken softc = (struct ch_softc *)periph->softc; 525244014Sken softc->open_count--; 526244014Sken 527244014Sken cam_periph_release_locked(periph); 528244014Sken 529244014Sken /* 530260387Sscottl * We reference the lock directly here, instead of using 531244014Sken * cam_periph_unlock(). The reason is that the call to 532244014Sken * cam_periph_release_locked() above could result in the periph 533244014Sken * getting freed. If that is the case, dereferencing the periph 534244014Sken * with a cam_periph_unlock() call would cause a page fault. 535244014Sken * 536244014Sken * cam_periph_release() avoids this problem using the same method, 537244014Sken * but we're manually acquiring and dropping the lock here to 538244014Sken * protect the open count and avoid another lock acquisition and 539244014Sken * release. 540244014Sken */ 541260387Sscottl mtx_unlock(mtx); 542244014Sken 54339213Sgibbs return(0); 54439213Sgibbs} 54539213Sgibbs 54639213Sgibbsstatic void 54739213Sgibbschstart(struct cam_periph *periph, union ccb *start_ccb) 54839213Sgibbs{ 54939213Sgibbs struct ch_softc *softc; 55039213Sgibbs 55139213Sgibbs softc = (struct ch_softc *)periph->softc; 55239213Sgibbs 55339213Sgibbs switch (softc->state) { 55439213Sgibbs case CH_STATE_NORMAL: 55539213Sgibbs { 556260387Sscottl xpt_release_ccb(start_ccb); 55739213Sgibbs break; 55839213Sgibbs } 55939213Sgibbs case CH_STATE_PROBE: 56039213Sgibbs { 56139885Sken int mode_buffer_len; 56239885Sken void *mode_buffer; 56339213Sgibbs 56439885Sken /* 56539885Sken * Include the block descriptor when calculating the mode 56639885Sken * buffer length, 56739885Sken */ 56839885Sken mode_buffer_len = sizeof(struct scsi_mode_header_6) + 56939885Sken sizeof(struct scsi_mode_blk_desc) + 57039885Sken sizeof(struct page_element_address_assignment); 57139213Sgibbs 572169562Sscottl mode_buffer = malloc(mode_buffer_len, M_SCSICH, M_NOWAIT); 57339885Sken 57439885Sken if (mode_buffer == NULL) { 57539213Sgibbs printf("chstart: couldn't malloc mode sense data\n"); 57639213Sgibbs break; 57739213Sgibbs } 57839885Sken bzero(mode_buffer, mode_buffer_len); 57939213Sgibbs 58039213Sgibbs /* 58139213Sgibbs * Get the element address assignment page. 58239213Sgibbs */ 58339213Sgibbs scsi_mode_sense(&start_ccb->csio, 58439213Sgibbs /* retries */ 1, 58539213Sgibbs /* cbfcnp */ chdone, 58639213Sgibbs /* tag_action */ MSG_SIMPLE_Q_TAG, 58739885Sken /* dbd */ (softc->quirks & CH_Q_NO_DBD) ? 58839885Sken FALSE : TRUE, 589312567Smav /* pc */ SMS_PAGE_CTRL_CURRENT, 59039213Sgibbs /* page */ CH_ELEMENT_ADDR_ASSIGN_PAGE, 59139885Sken /* param_buf */ (u_int8_t *)mode_buffer, 59239885Sken /* param_len */ mode_buffer_len, 59339213Sgibbs /* sense_len */ SSD_FULL_SIZE, 59439213Sgibbs /* timeout */ CH_TIMEOUT_MODE_SENSE); 59539213Sgibbs 59639213Sgibbs start_ccb->ccb_h.ccb_bp = NULL; 59739213Sgibbs start_ccb->ccb_h.ccb_state = CH_CCB_PROBE; 59839213Sgibbs xpt_action(start_ccb); 59939213Sgibbs break; 60039213Sgibbs } 60139213Sgibbs } 60239213Sgibbs} 60339213Sgibbs 60439213Sgibbsstatic void 60539213Sgibbschdone(struct cam_periph *periph, union ccb *done_ccb) 60639213Sgibbs{ 60739213Sgibbs struct ch_softc *softc; 60839213Sgibbs struct ccb_scsiio *csio; 60939213Sgibbs 61039213Sgibbs softc = (struct ch_softc *)periph->softc; 61139213Sgibbs csio = &done_ccb->csio; 61239213Sgibbs 61339213Sgibbs switch(done_ccb->ccb_h.ccb_state) { 61439213Sgibbs case CH_CCB_PROBE: 61539213Sgibbs { 61639885Sken struct scsi_mode_header_6 *mode_header; 61739885Sken struct page_element_address_assignment *ea; 61839213Sgibbs char announce_buf[80]; 61939213Sgibbs 62039213Sgibbs 62139885Sken mode_header = (struct scsi_mode_header_6 *)csio->data_ptr; 62239885Sken 62339885Sken ea = (struct page_element_address_assignment *) 62439885Sken find_mode_page_6(mode_header); 62539885Sken 62639213Sgibbs if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP){ 62739213Sgibbs 62839885Sken softc->sc_firsts[CHET_MT] = scsi_2btoul(ea->mtea); 62939885Sken softc->sc_counts[CHET_MT] = scsi_2btoul(ea->nmte); 63039885Sken softc->sc_firsts[CHET_ST] = scsi_2btoul(ea->fsea); 63139885Sken softc->sc_counts[CHET_ST] = scsi_2btoul(ea->nse); 63239885Sken softc->sc_firsts[CHET_IE] = scsi_2btoul(ea->fieea); 63339885Sken softc->sc_counts[CHET_IE] = scsi_2btoul(ea->niee); 63439885Sken softc->sc_firsts[CHET_DT] = scsi_2btoul(ea->fdtea); 63539885Sken softc->sc_counts[CHET_DT] = scsi_2btoul(ea->ndte); 63639213Sgibbs softc->sc_picker = softc->sc_firsts[CHET_MT]; 63739213Sgibbs 63839213Sgibbs#define PLURAL(c) (c) == 1 ? "" : "s" 63941514Sarchie snprintf(announce_buf, sizeof(announce_buf), 64041514Sarchie "%d slot%s, %d drive%s, " 64139213Sgibbs "%d picker%s, %d portal%s", 64239213Sgibbs softc->sc_counts[CHET_ST], 64339213Sgibbs PLURAL(softc->sc_counts[CHET_ST]), 64439213Sgibbs softc->sc_counts[CHET_DT], 64539213Sgibbs PLURAL(softc->sc_counts[CHET_DT]), 64639213Sgibbs softc->sc_counts[CHET_MT], 64739213Sgibbs PLURAL(softc->sc_counts[CHET_MT]), 64839213Sgibbs softc->sc_counts[CHET_IE], 64939213Sgibbs PLURAL(softc->sc_counts[CHET_IE])); 65039213Sgibbs#undef PLURAL 651298406Spfg if (announce_buf[0] != '\0') { 652298406Spfg xpt_announce_periph(periph, announce_buf); 653298406Spfg xpt_announce_quirks(periph, softc->quirks, 654298406Spfg CH_Q_BIT_STRING); 655298406Spfg } 65639213Sgibbs } else { 65739213Sgibbs int error; 65839213Sgibbs 65974840Sken error = cherror(done_ccb, CAM_RETRY_SELTO, 66074840Sken SF_RETRY_UA | SF_NO_PRINT); 66139213Sgibbs /* 66239213Sgibbs * Retry any UNIT ATTENTION type errors. They 66339213Sgibbs * are expected at boot. 66439213Sgibbs */ 66539213Sgibbs if (error == ERESTART) { 66639213Sgibbs /* 66739213Sgibbs * A retry was scheuled, so 66839213Sgibbs * just return. 66939213Sgibbs */ 67039213Sgibbs return; 67139213Sgibbs } else if (error != 0) { 67239885Sken struct scsi_mode_sense_6 *sms; 673288409Smarkj int frozen, retry_scheduled; 67439885Sken 67539885Sken sms = (struct scsi_mode_sense_6 *) 67639885Sken done_ccb->csio.cdb_io.cdb_bytes; 677288409Smarkj frozen = (done_ccb->ccb_h.status & 678288409Smarkj CAM_DEV_QFRZN) != 0; 67939885Sken 68039885Sken /* 68139885Sken * Check to see if block descriptors were 68239885Sken * disabled. Some devices don't like that. 68339885Sken * We're taking advantage of the fact that 68439885Sken * the first few bytes of the 6 and 10 byte 68539885Sken * mode sense commands are the same. If 68639885Sken * block descriptors were disabled, enable 68739885Sken * them and re-send the command. 68839885Sken */ 689288409Smarkj if ((sms->byte2 & SMS_DBD) != 0 && 690288409Smarkj (periph->flags & CAM_PERIPH_INVALID) == 0) { 69139885Sken sms->byte2 &= ~SMS_DBD; 69239885Sken xpt_action(done_ccb); 69339885Sken softc->quirks |= CH_Q_NO_DBD; 69439885Sken retry_scheduled = 1; 69539885Sken } else 69639885Sken retry_scheduled = 0; 69739885Sken 69839213Sgibbs /* Don't wedge this device's queue */ 699288409Smarkj if (frozen) 700199279Smav cam_release_devq(done_ccb->ccb_h.path, 70139213Sgibbs /*relsim_flags*/0, 70239213Sgibbs /*reduction*/0, 70339213Sgibbs /*timeout*/0, 70439213Sgibbs /*getcount_only*/0); 70539885Sken 70639885Sken if (retry_scheduled) 70739885Sken return; 70839885Sken 70939885Sken if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) 71039885Sken == CAM_SCSI_STATUS_ERROR) 71139885Sken scsi_sense_print(&done_ccb->csio); 71239885Sken else { 713164906Smjacob xpt_print(periph->path, 714164906Smjacob "got CAM status %#x\n", 715164906Smjacob done_ccb->ccb_h.status); 71639885Sken } 717164906Smjacob xpt_print(periph->path, "fatal error, failed " 718164906Smjacob "to attach to device\n"); 71939885Sken 72039885Sken cam_periph_invalidate(periph); 72139885Sken 72239213Sgibbs } 72339213Sgibbs } 72439213Sgibbs softc->state = CH_STATE_NORMAL; 725169562Sscottl free(mode_header, M_SCSICH); 72658921Sken /* 72758921Sken * Since our peripheral may be invalidated by an error 72858921Sken * above or an external event, we must release our CCB 72958921Sken * before releasing the probe lock on the peripheral. 73058921Sken * The peripheral will only go away once the last lock 73158921Sken * is removed, and we need it around for the CCB release 73258921Sken * operation. 73358921Sken */ 73458921Sken xpt_release_ccb(done_ccb); 735168752Sscottl cam_periph_unhold(periph); 73658921Sken return; 73739213Sgibbs } 73858921Sken default: 73958921Sken break; 74039213Sgibbs } 74139213Sgibbs xpt_release_ccb(done_ccb); 74239213Sgibbs} 74339213Sgibbs 74439213Sgibbsstatic int 74539213Sgibbscherror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 74639213Sgibbs{ 74739213Sgibbs struct ch_softc *softc; 74839213Sgibbs struct cam_periph *periph; 74939213Sgibbs 75039213Sgibbs periph = xpt_path_periph(ccb->ccb_h.path); 75139213Sgibbs softc = (struct ch_softc *)periph->softc; 75239213Sgibbs 75339213Sgibbs return (cam_periph_error(ccb, cam_flags, sense_flags, 75439213Sgibbs &softc->saved_ccb)); 75539213Sgibbs} 75639213Sgibbs 75739213Sgibbsstatic int 758130585Sphkchioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *td) 75939213Sgibbs{ 76039213Sgibbs struct cam_periph *periph; 76139213Sgibbs struct ch_softc *softc; 76239213Sgibbs int error; 76339213Sgibbs 764101940Snjl periph = (struct cam_periph *)dev->si_drv1; 765168752Sscottl cam_periph_lock(periph); 76639213Sgibbs CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering chioctl\n")); 76739213Sgibbs 76839213Sgibbs softc = (struct ch_softc *)periph->softc; 76939213Sgibbs 77039213Sgibbs error = 0; 77139213Sgibbs 77239213Sgibbs CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 77339904Sken ("trying to do ioctl %#lx\n", cmd)); 77439213Sgibbs 77539213Sgibbs /* 77639213Sgibbs * If this command can change the device's state, we must 77739213Sgibbs * have the device open for writing. 77839213Sgibbs */ 77939213Sgibbs switch (cmd) { 78039213Sgibbs case CHIOGPICKER: 78139213Sgibbs case CHIOGPARAMS: 782249658Sken case OCHIOGSTATUS: 78339213Sgibbs case CHIOGSTATUS: 78439213Sgibbs break; 78539213Sgibbs 78639213Sgibbs default: 787168752Sscottl if ((flag & FWRITE) == 0) { 788168752Sscottl cam_periph_unlock(periph); 78939213Sgibbs return (EBADF); 790168752Sscottl } 79139213Sgibbs } 79239213Sgibbs 79339213Sgibbs switch (cmd) { 79439213Sgibbs case CHIOMOVE: 79539213Sgibbs error = chmove(periph, (struct changer_move *)addr); 79639213Sgibbs break; 79739213Sgibbs 79839213Sgibbs case CHIOEXCHANGE: 79939213Sgibbs error = chexchange(periph, (struct changer_exchange *)addr); 80039213Sgibbs break; 80139213Sgibbs 80239213Sgibbs case CHIOPOSITION: 80339213Sgibbs error = chposition(periph, (struct changer_position *)addr); 80439213Sgibbs break; 80539213Sgibbs 80639213Sgibbs case CHIOGPICKER: 80739213Sgibbs *(int *)addr = softc->sc_picker - softc->sc_firsts[CHET_MT]; 80839213Sgibbs break; 80939213Sgibbs 81039213Sgibbs case CHIOSPICKER: 81139213Sgibbs { 81239213Sgibbs int new_picker = *(int *)addr; 81339213Sgibbs 814168752Sscottl if (new_picker > (softc->sc_counts[CHET_MT] - 1)) { 815168752Sscottl error = EINVAL; 816168752Sscottl break; 817168752Sscottl } 81839213Sgibbs softc->sc_picker = softc->sc_firsts[CHET_MT] + new_picker; 81939213Sgibbs break; 82039213Sgibbs } 82139213Sgibbs case CHIOGPARAMS: 82239213Sgibbs { 82339213Sgibbs struct changer_params *cp = (struct changer_params *)addr; 82439213Sgibbs 82539213Sgibbs cp->cp_npickers = softc->sc_counts[CHET_MT]; 82639213Sgibbs cp->cp_nslots = softc->sc_counts[CHET_ST]; 82739213Sgibbs cp->cp_nportals = softc->sc_counts[CHET_IE]; 82839213Sgibbs cp->cp_ndrives = softc->sc_counts[CHET_DT]; 82939213Sgibbs break; 83039213Sgibbs } 83139213Sgibbs case CHIOIELEM: 83239213Sgibbs error = chielem(periph, *(unsigned int *)addr); 83339213Sgibbs break; 83439213Sgibbs 835249658Sken case OCHIOGSTATUS: 836249658Sken { 837249658Sken error = chgetelemstatus(periph, SCSI_REV_2, cmd, 838249658Sken (struct changer_element_status_request *)addr); 839249658Sken break; 840249658Sken } 841249658Sken 84239213Sgibbs case CHIOGSTATUS: 84339213Sgibbs { 844249658Sken int scsi_version; 845249658Sken 846249658Sken scsi_version = chscsiversion(periph); 847249658Sken if (scsi_version >= SCSI_REV_0) { 848249658Sken error = chgetelemstatus(periph, scsi_version, cmd, 849249658Sken (struct changer_element_status_request *)addr); 850249658Sken } 851249658Sken else { /* unable to determine the SCSI version */ 852249658Sken cam_periph_unlock(periph); 853249658Sken return (ENXIO); 854249658Sken } 85539213Sgibbs break; 85639213Sgibbs } 85739213Sgibbs 85839213Sgibbs case CHIOSETVOLTAG: 85939213Sgibbs { 86039213Sgibbs error = chsetvoltag(periph, 86139213Sgibbs (struct changer_set_voltag_request *) addr); 86239213Sgibbs break; 86339213Sgibbs } 86439213Sgibbs 86539213Sgibbs /* Implement prevent/allow? */ 86639213Sgibbs 86739213Sgibbs default: 86839213Sgibbs error = cam_periph_ioctl(periph, cmd, addr, cherror); 86939213Sgibbs break; 87039213Sgibbs } 87139213Sgibbs 872168752Sscottl cam_periph_unlock(periph); 87339213Sgibbs return (error); 87439213Sgibbs} 87539213Sgibbs 87639213Sgibbsstatic int 87739213Sgibbschmove(struct cam_periph *periph, struct changer_move *cm) 87839213Sgibbs{ 87939213Sgibbs struct ch_softc *softc; 88039213Sgibbs u_int16_t fromelem, toelem; 88139213Sgibbs union ccb *ccb; 88239213Sgibbs int error; 88339213Sgibbs 88439213Sgibbs error = 0; 88539213Sgibbs softc = (struct ch_softc *)periph->softc; 88639213Sgibbs 88739213Sgibbs /* 88839213Sgibbs * Check arguments. 88939213Sgibbs */ 89039213Sgibbs if ((cm->cm_fromtype > CHET_DT) || (cm->cm_totype > CHET_DT)) 89139213Sgibbs return (EINVAL); 89239213Sgibbs if ((cm->cm_fromunit > (softc->sc_counts[cm->cm_fromtype] - 1)) || 89339213Sgibbs (cm->cm_tounit > (softc->sc_counts[cm->cm_totype] - 1))) 89439213Sgibbs return (ENODEV); 89539213Sgibbs 89639213Sgibbs /* 89739213Sgibbs * Check the request against the changer's capabilities. 89839213Sgibbs */ 89939213Sgibbs if ((softc->sc_movemask[cm->cm_fromtype] & (1 << cm->cm_totype)) == 0) 90041708Sgibbs return (ENODEV); 90139213Sgibbs 90239213Sgibbs /* 90339213Sgibbs * Calculate the source and destination elements. 90439213Sgibbs */ 90539213Sgibbs fromelem = softc->sc_firsts[cm->cm_fromtype] + cm->cm_fromunit; 90639213Sgibbs toelem = softc->sc_firsts[cm->cm_totype] + cm->cm_tounit; 90739213Sgibbs 908198382Smav ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 90939213Sgibbs 91039213Sgibbs scsi_move_medium(&ccb->csio, 91139213Sgibbs /* retries */ 1, 91239213Sgibbs /* cbfcnp */ chdone, 91339213Sgibbs /* tag_action */ MSG_SIMPLE_Q_TAG, 91439213Sgibbs /* tea */ softc->sc_picker, 91539213Sgibbs /* src */ fromelem, 91639213Sgibbs /* dst */ toelem, 91739213Sgibbs /* invert */ (cm->cm_flags & CM_INVERT) ? TRUE : FALSE, 91839213Sgibbs /* sense_len */ SSD_FULL_SIZE, 91939213Sgibbs /* timeout */ CH_TIMEOUT_MOVE_MEDIUM); 92039213Sgibbs 92174840Sken error = cam_periph_runccb(ccb, cherror, /*cam_flags*/CAM_RETRY_SELTO, 92274840Sken /*sense_flags*/ SF_RETRY_UA, 923112006Sphk softc->device_stats); 92439213Sgibbs 92539213Sgibbs xpt_release_ccb(ccb); 92639213Sgibbs 92739213Sgibbs return(error); 92839213Sgibbs} 92939213Sgibbs 93039213Sgibbsstatic int 93139213Sgibbschexchange(struct cam_periph *periph, struct changer_exchange *ce) 93239213Sgibbs{ 93339213Sgibbs struct ch_softc *softc; 93439213Sgibbs u_int16_t src, dst1, dst2; 93539213Sgibbs union ccb *ccb; 93639213Sgibbs int error; 93739213Sgibbs 93839213Sgibbs error = 0; 93939213Sgibbs softc = (struct ch_softc *)periph->softc; 94039213Sgibbs /* 94139213Sgibbs * Check arguments. 94239213Sgibbs */ 94339213Sgibbs if ((ce->ce_srctype > CHET_DT) || (ce->ce_fdsttype > CHET_DT) || 94439213Sgibbs (ce->ce_sdsttype > CHET_DT)) 94539213Sgibbs return (EINVAL); 94639213Sgibbs if ((ce->ce_srcunit > (softc->sc_counts[ce->ce_srctype] - 1)) || 94739213Sgibbs (ce->ce_fdstunit > (softc->sc_counts[ce->ce_fdsttype] - 1)) || 94839213Sgibbs (ce->ce_sdstunit > (softc->sc_counts[ce->ce_sdsttype] - 1))) 94939213Sgibbs return (ENODEV); 95039213Sgibbs 95139213Sgibbs /* 95239213Sgibbs * Check the request against the changer's capabilities. 95339213Sgibbs */ 95439213Sgibbs if (((softc->sc_exchangemask[ce->ce_srctype] & 95539213Sgibbs (1 << ce->ce_fdsttype)) == 0) || 95639213Sgibbs ((softc->sc_exchangemask[ce->ce_fdsttype] & 95739213Sgibbs (1 << ce->ce_sdsttype)) == 0)) 95841708Sgibbs return (ENODEV); 95939213Sgibbs 96039213Sgibbs /* 96139213Sgibbs * Calculate the source and destination elements. 96239213Sgibbs */ 96339213Sgibbs src = softc->sc_firsts[ce->ce_srctype] + ce->ce_srcunit; 96439213Sgibbs dst1 = softc->sc_firsts[ce->ce_fdsttype] + ce->ce_fdstunit; 96539213Sgibbs dst2 = softc->sc_firsts[ce->ce_sdsttype] + ce->ce_sdstunit; 96639213Sgibbs 967198382Smav ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 96839213Sgibbs 96939213Sgibbs scsi_exchange_medium(&ccb->csio, 97039213Sgibbs /* retries */ 1, 97139213Sgibbs /* cbfcnp */ chdone, 97239213Sgibbs /* tag_action */ MSG_SIMPLE_Q_TAG, 97339213Sgibbs /* tea */ softc->sc_picker, 97439213Sgibbs /* src */ src, 97539213Sgibbs /* dst1 */ dst1, 97639213Sgibbs /* dst2 */ dst2, 97739213Sgibbs /* invert1 */ (ce->ce_flags & CE_INVERT1) ? 97839213Sgibbs TRUE : FALSE, 97939213Sgibbs /* invert2 */ (ce->ce_flags & CE_INVERT2) ? 98039213Sgibbs TRUE : FALSE, 98139213Sgibbs /* sense_len */ SSD_FULL_SIZE, 98239213Sgibbs /* timeout */ CH_TIMEOUT_EXCHANGE_MEDIUM); 98339213Sgibbs 98474840Sken error = cam_periph_runccb(ccb, cherror, /*cam_flags*/CAM_RETRY_SELTO, 98574840Sken /*sense_flags*/ SF_RETRY_UA, 986112006Sphk softc->device_stats); 98739213Sgibbs 98839213Sgibbs xpt_release_ccb(ccb); 98939213Sgibbs 99039213Sgibbs return(error); 99139213Sgibbs} 99239213Sgibbs 99339213Sgibbsstatic int 99439213Sgibbschposition(struct cam_periph *periph, struct changer_position *cp) 99539213Sgibbs{ 99639213Sgibbs struct ch_softc *softc; 99739213Sgibbs u_int16_t dst; 99839213Sgibbs union ccb *ccb; 99939213Sgibbs int error; 100039213Sgibbs 100139213Sgibbs error = 0; 100239213Sgibbs softc = (struct ch_softc *)periph->softc; 100339213Sgibbs 100439213Sgibbs /* 100539213Sgibbs * Check arguments. 100639213Sgibbs */ 100739213Sgibbs if (cp->cp_type > CHET_DT) 100839213Sgibbs return (EINVAL); 100939213Sgibbs if (cp->cp_unit > (softc->sc_counts[cp->cp_type] - 1)) 101039213Sgibbs return (ENODEV); 101139213Sgibbs 101239213Sgibbs /* 101339213Sgibbs * Calculate the destination element. 101439213Sgibbs */ 101539213Sgibbs dst = softc->sc_firsts[cp->cp_type] + cp->cp_unit; 101639213Sgibbs 1017198382Smav ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 101839213Sgibbs 101939213Sgibbs scsi_position_to_element(&ccb->csio, 102039213Sgibbs /* retries */ 1, 102139213Sgibbs /* cbfcnp */ chdone, 102239213Sgibbs /* tag_action */ MSG_SIMPLE_Q_TAG, 102339213Sgibbs /* tea */ softc->sc_picker, 102439213Sgibbs /* dst */ dst, 102539213Sgibbs /* invert */ (cp->cp_flags & CP_INVERT) ? 102639213Sgibbs TRUE : FALSE, 102739213Sgibbs /* sense_len */ SSD_FULL_SIZE, 102839213Sgibbs /* timeout */ CH_TIMEOUT_POSITION_TO_ELEMENT); 102939213Sgibbs 103074840Sken error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 103174840Sken /*sense_flags*/ SF_RETRY_UA, 1032112006Sphk softc->device_stats); 103339213Sgibbs 103439213Sgibbs xpt_release_ccb(ccb); 103539213Sgibbs 103639213Sgibbs return(error); 103739213Sgibbs} 103839213Sgibbs 103939213Sgibbs/* 104039213Sgibbs * Copy a volume tag to a volume_tag struct, converting SCSI byte order 104139213Sgibbs * to host native byte order in the volume serial number. The volume 104239213Sgibbs * label as returned by the changer is transferred to user mode as 104339213Sgibbs * nul-terminated string. Volume labels are truncated at the first 104439213Sgibbs * space, as suggested by SCSI-2. 104539213Sgibbs */ 104639213Sgibbsstatic void 104739213Sgibbscopy_voltag(struct changer_voltag *uvoltag, struct volume_tag *voltag) 104839213Sgibbs{ 104939213Sgibbs int i; 105039213Sgibbs for (i=0; i<CH_VOLTAG_MAXLEN; i++) { 105139213Sgibbs char c = voltag->vif[i]; 105239213Sgibbs if (c && c != ' ') 105339213Sgibbs uvoltag->cv_volid[i] = c; 105439213Sgibbs else 105539213Sgibbs break; 105639213Sgibbs } 105739213Sgibbs uvoltag->cv_serial = scsi_2btoul(voltag->vsn); 105839213Sgibbs} 105939213Sgibbs 106039213Sgibbs/* 1061249658Sken * Copy an element status descriptor to a user-mode 106239213Sgibbs * changer_element_status structure. 106339213Sgibbs */ 1064249658Skenstatic void 106539213Sgibbscopy_element_status(struct ch_softc *softc, 106639213Sgibbs u_int16_t flags, 106739213Sgibbs struct read_element_status_descriptor *desc, 1068249658Sken struct changer_element_status *ces, 1069249658Sken int scsi_version) 107039213Sgibbs{ 107139213Sgibbs u_int16_t eaddr = scsi_2btoul(desc->eaddr); 107239213Sgibbs u_int16_t et; 1073249658Sken struct volume_tag *pvol_tag = NULL, *avol_tag = NULL; 1074249658Sken struct read_element_status_device_id *devid = NULL; 107539213Sgibbs 107639213Sgibbs ces->ces_int_addr = eaddr; 107739213Sgibbs /* set up logical address in element status */ 107839213Sgibbs for (et = CHET_MT; et <= CHET_DT; et++) { 107939213Sgibbs if ((softc->sc_firsts[et] <= eaddr) 108039213Sgibbs && ((softc->sc_firsts[et] + softc->sc_counts[et]) 108139213Sgibbs > eaddr)) { 108239213Sgibbs ces->ces_addr = eaddr - softc->sc_firsts[et]; 108339213Sgibbs ces->ces_type = et; 108439213Sgibbs break; 108539213Sgibbs } 108639213Sgibbs } 108739213Sgibbs 108839213Sgibbs ces->ces_flags = desc->flags1; 108939213Sgibbs 109039213Sgibbs ces->ces_sensecode = desc->sense_code; 109139213Sgibbs ces->ces_sensequal = desc->sense_qual; 109239213Sgibbs 109339213Sgibbs if (desc->flags2 & READ_ELEMENT_STATUS_INVERT) 109439213Sgibbs ces->ces_flags |= CES_INVERT; 109539213Sgibbs 109639213Sgibbs if (desc->flags2 & READ_ELEMENT_STATUS_SVALID) { 109739213Sgibbs 109839213Sgibbs eaddr = scsi_2btoul(desc->ssea); 109939213Sgibbs 110039213Sgibbs /* convert source address to logical format */ 110139213Sgibbs for (et = CHET_MT; et <= CHET_DT; et++) { 110239213Sgibbs if ((softc->sc_firsts[et] <= eaddr) 110339213Sgibbs && ((softc->sc_firsts[et] + softc->sc_counts[et]) 110439213Sgibbs > eaddr)) { 1105249658Sken ces->ces_source_addr = 110639213Sgibbs eaddr - softc->sc_firsts[et]; 110739213Sgibbs ces->ces_source_type = et; 110839213Sgibbs ces->ces_flags |= CES_SOURCE_VALID; 110939213Sgibbs break; 111039213Sgibbs } 111139213Sgibbs } 111239213Sgibbs 111339213Sgibbs if (!(ces->ces_flags & CES_SOURCE_VALID)) 111439213Sgibbs printf("ch: warning: could not map element source " 111558921Sken "address %ud to a valid element type\n", 111639213Sgibbs eaddr); 111739213Sgibbs } 111839213Sgibbs 1119249658Sken /* 1120249658Sken * pvoltag and avoltag are common between SCSI-2 and later versions 1121249658Sken */ 112239213Sgibbs if (flags & READ_ELEMENT_STATUS_PVOLTAG) 1123249658Sken pvol_tag = &desc->voltag_devid.pvoltag; 112439213Sgibbs if (flags & READ_ELEMENT_STATUS_AVOLTAG) 1125249658Sken avol_tag = (flags & READ_ELEMENT_STATUS_PVOLTAG) ? 1126249658Sken &desc->voltag_devid.voltag[1] :&desc->voltag_devid.pvoltag; 1127249658Sken /* 1128249658Sken * For SCSI-3 and later, element status can carry designator and 1129249658Sken * other information. 1130249658Sken */ 1131249658Sken if (scsi_version >= SCSI_REV_SPC) { 1132249658Sken if ((flags & READ_ELEMENT_STATUS_PVOLTAG) ^ 1133249658Sken (flags & READ_ELEMENT_STATUS_AVOLTAG)) 1134249658Sken devid = &desc->voltag_devid.pvol_and_devid.devid; 1135249658Sken else if (!(flags & READ_ELEMENT_STATUS_PVOLTAG) && 1136249658Sken !(flags & READ_ELEMENT_STATUS_AVOLTAG)) 1137249658Sken devid = &desc->voltag_devid.devid; 1138249658Sken else /* Have both PVOLTAG and AVOLTAG */ 1139249658Sken devid = &desc->voltag_devid.vol_tags_and_devid.devid; 1140249658Sken } 114139213Sgibbs 1142249658Sken if (pvol_tag) 1143249658Sken copy_voltag(&(ces->ces_pvoltag), pvol_tag); 1144249658Sken if (avol_tag) 1145249658Sken copy_voltag(&(ces->ces_pvoltag), avol_tag); 1146249658Sken if (devid != NULL) { 1147249658Sken if (devid->designator_length > 0) { 1148249658Sken bcopy((void *)devid->designator, 1149249658Sken (void *)ces->ces_designator, 1150249658Sken devid->designator_length); 1151249658Sken ces->ces_designator_length = devid->designator_length; 1152249658Sken /* 1153249658Sken * Make sure we are always NUL terminated. The 1154249701Sken * This won't matter for the binary code set, 1155249701Sken * since the user will only pay attention to the 1156249701Sken * length field. 1157249658Sken */ 1158249701Sken ces->ces_designator[devid->designator_length]= '\0'; 1159249658Sken } 1160249658Sken if (devid->piv_assoc_designator_type & 1161249658Sken READ_ELEMENT_STATUS_PIV_SET) { 1162249658Sken ces->ces_flags |= CES_PIV; 1163249658Sken ces->ces_protocol_id = 1164249658Sken READ_ELEMENT_STATUS_PROTOCOL_ID( 1165249658Sken devid->prot_code_set); 1166249658Sken } 1167249658Sken ces->ces_code_set = 1168249658Sken READ_ELEMENT_STATUS_CODE_SET(devid->prot_code_set); 1169249658Sken ces->ces_assoc = READ_ELEMENT_STATUS_ASSOCIATION( 1170249658Sken devid->piv_assoc_designator_type); 1171249658Sken ces->ces_designator_type = READ_ELEMENT_STATUS_DESIGNATOR_TYPE( 1172249658Sken devid->piv_assoc_designator_type); 1173249658Sken } else if (scsi_version > SCSI_REV_2) { 1174249658Sken /* SCSI-SPC and No devid, no designator */ 1175249658Sken ces->ces_designator_length = 0; 1176249658Sken ces->ces_designator[0] = '\0'; 1177249658Sken ces->ces_protocol_id = CES_PROTOCOL_ID_FCP_4; 117839213Sgibbs } 117939213Sgibbs 1180249658Sken if (scsi_version <= SCSI_REV_2) { 1181249658Sken if (desc->dt_or_obsolete.scsi_2.dt_scsi_flags & 1182249658Sken READ_ELEMENT_STATUS_DT_IDVALID) { 1183249658Sken ces->ces_flags |= CES_SCSIID_VALID; 1184249658Sken ces->ces_scsi_id = 1185249658Sken desc->dt_or_obsolete.scsi_2.dt_scsi_addr; 1186249658Sken } 1187249658Sken 1188249658Sken if (desc->dt_or_obsolete.scsi_2.dt_scsi_addr & 1189249658Sken READ_ELEMENT_STATUS_DT_LUVALID) { 1190249658Sken ces->ces_flags |= CES_LUN_VALID; 1191249658Sken ces->ces_scsi_lun = 1192249658Sken desc->dt_or_obsolete.scsi_2.dt_scsi_flags & 1193249658Sken READ_ELEMENT_STATUS_DT_LUNMASK; 1194249658Sken } 119539213Sgibbs } 119639213Sgibbs} 119739213Sgibbs 119839213Sgibbsstatic int 1199249658Skenchgetelemstatus(struct cam_periph *periph, int scsi_version, u_long cmd, 120039213Sgibbs struct changer_element_status_request *cesr) 120139213Sgibbs{ 120239213Sgibbs struct read_element_status_header *st_hdr; 120339213Sgibbs struct read_element_status_page_header *pg_hdr; 120439213Sgibbs struct read_element_status_descriptor *desc; 120539213Sgibbs caddr_t data = NULL; 120639213Sgibbs size_t size, desclen; 120739213Sgibbs int avail, i, error = 0; 1208253274Sken int curdata, dvcid, sense_flags; 1209253274Sken int try_no_dvcid = 0; 121039213Sgibbs struct changer_element_status *user_data = NULL; 121139213Sgibbs struct ch_softc *softc; 121239213Sgibbs union ccb *ccb; 121339213Sgibbs int chet = cesr->cesr_element_type; 121439213Sgibbs int want_voltags = (cesr->cesr_flags & CESR_VOLTAGS) ? 1 : 0; 121539213Sgibbs 121639213Sgibbs softc = (struct ch_softc *)periph->softc; 121739213Sgibbs 121839213Sgibbs /* perform argument checking */ 121939213Sgibbs 122039213Sgibbs /* 122139213Sgibbs * Perform a range check on the cesr_element_{base,count} 122239213Sgibbs * request argument fields. 122339213Sgibbs */ 122439213Sgibbs if ((softc->sc_counts[chet] - cesr->cesr_element_base) <= 0 122539213Sgibbs || (cesr->cesr_element_base + cesr->cesr_element_count) 122639213Sgibbs > softc->sc_counts[chet]) 122739213Sgibbs return (EINVAL); 122839213Sgibbs 122939213Sgibbs /* 123039213Sgibbs * Request one descriptor for the given element type. This 123139213Sgibbs * is used to determine the size of the descriptor so that 123239213Sgibbs * we can allocate enough storage for all of them. We assume 123339213Sgibbs * that the first one can fit into 1k. 123439213Sgibbs */ 1235168752Sscottl cam_periph_unlock(periph); 1236111119Simp data = (caddr_t)malloc(1024, M_DEVBUF, M_WAITOK); 123739213Sgibbs 1238168752Sscottl cam_periph_lock(periph); 1239198382Smav ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 124039213Sgibbs 1241253274Sken sense_flags = SF_RETRY_UA; 1242253274Sken if (softc->quirks & CH_Q_NO_DVCID) { 1243253274Sken dvcid = 0; 1244253274Sken curdata = 0; 1245253274Sken } else { 1246253274Sken dvcid = 1; 1247253274Sken curdata = 1; 1248253274Sken /* 1249253274Sken * Don't print anything for an Illegal Request, because 1250253274Sken * these flags can cause some changers to complain. We'll 1251253274Sken * retry without them if we get an error. 1252253274Sken */ 1253253274Sken sense_flags |= SF_QUIET_IR; 1254253274Sken } 1255253274Sken 1256253274Skenretry_einval: 1257253274Sken 125839213Sgibbs scsi_read_element_status(&ccb->csio, 125939213Sgibbs /* retries */ 1, 126039213Sgibbs /* cbfcnp */ chdone, 126139213Sgibbs /* tag_action */ MSG_SIMPLE_Q_TAG, 126239213Sgibbs /* voltag */ want_voltags, 126339213Sgibbs /* sea */ softc->sc_firsts[chet], 1264253368Sken /* curdata */ curdata, 1265253274Sken /* dvcid */ dvcid, 126639213Sgibbs /* count */ 1, 126739213Sgibbs /* data_ptr */ data, 126839213Sgibbs /* dxfer_len */ 1024, 126939213Sgibbs /* sense_len */ SSD_FULL_SIZE, 127039213Sgibbs /* timeout */ CH_TIMEOUT_READ_ELEMENT_STATUS); 127139213Sgibbs 127274840Sken error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 1273253274Sken /*sense_flags*/ sense_flags, 1274112006Sphk softc->device_stats); 127539213Sgibbs 1276253274Sken /* 1277253274Sken * An Illegal Request sense key (only used if there is no asc/ascq) 1278253274Sken * or 0x24,0x00 for an ASC/ASCQ both map to EINVAL. If dvcid or 1279253274Sken * curdata are set (we set both or neither), try turning them off 1280253274Sken * and see if the command is successful. 1281253274Sken */ 1282253274Sken if ((error == EINVAL) 1283253274Sken && (dvcid || curdata)) { 1284253274Sken dvcid = 0; 1285253274Sken curdata = 0; 1286253274Sken error = 0; 1287253274Sken /* At this point we want to report any Illegal Request */ 1288253274Sken sense_flags &= ~SF_QUIET_IR; 1289253274Sken try_no_dvcid = 1; 1290253274Sken goto retry_einval; 1291253274Sken } 1292253274Sken 1293253274Sken /* 1294253274Sken * In this case, we tried a read element status with dvcid and 1295253274Sken * curdata set, and it failed. We retried without those bits, and 1296253274Sken * it succeeded. Suggest to the user that he set a quirk, so we 1297253274Sken * don't go through the retry process the first time in the future. 1298253274Sken * This should only happen on changers that claim SCSI-3 or higher, 1299253274Sken * but don't support these bits. 1300253274Sken */ 1301253274Sken if ((try_no_dvcid != 0) 1302253274Sken && (error == 0)) 1303253274Sken softc->quirks |= CH_Q_NO_DVCID; 1304253274Sken 130539213Sgibbs if (error) 130639213Sgibbs goto done; 1307168752Sscottl cam_periph_unlock(periph); 130839213Sgibbs 130939213Sgibbs st_hdr = (struct read_element_status_header *)data; 131050270Sbde pg_hdr = (struct read_element_status_page_header *)((uintptr_t)st_hdr + 131139213Sgibbs sizeof(struct read_element_status_header)); 131239213Sgibbs desclen = scsi_2btoul(pg_hdr->edl); 131339213Sgibbs 131439213Sgibbs size = sizeof(struct read_element_status_header) + 131539213Sgibbs sizeof(struct read_element_status_page_header) + 131639213Sgibbs (desclen * cesr->cesr_element_count); 131739213Sgibbs /* 131839213Sgibbs * Reallocate storage for descriptors and get them from the 131939213Sgibbs * device. 132039213Sgibbs */ 132139213Sgibbs free(data, M_DEVBUF); 1322111119Simp data = (caddr_t)malloc(size, M_DEVBUF, M_WAITOK); 132339213Sgibbs 1324168752Sscottl cam_periph_lock(periph); 132539213Sgibbs scsi_read_element_status(&ccb->csio, 132639213Sgibbs /* retries */ 1, 132739213Sgibbs /* cbfcnp */ chdone, 132839213Sgibbs /* tag_action */ MSG_SIMPLE_Q_TAG, 132939213Sgibbs /* voltag */ want_voltags, 133039213Sgibbs /* sea */ softc->sc_firsts[chet] 133139213Sgibbs + cesr->cesr_element_base, 1332253368Sken /* curdata */ curdata, 1333253274Sken /* dvcid */ dvcid, 133439213Sgibbs /* count */ cesr->cesr_element_count, 133539213Sgibbs /* data_ptr */ data, 133639213Sgibbs /* dxfer_len */ size, 133739213Sgibbs /* sense_len */ SSD_FULL_SIZE, 133839213Sgibbs /* timeout */ CH_TIMEOUT_READ_ELEMENT_STATUS); 1339249658Sken 134074840Sken error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 134174840Sken /*sense_flags*/ SF_RETRY_UA, 1342112006Sphk softc->device_stats); 134339213Sgibbs 134439213Sgibbs if (error) 134539213Sgibbs goto done; 1346168752Sscottl cam_periph_unlock(periph); 134739213Sgibbs 134839213Sgibbs /* 134939213Sgibbs * Fill in the user status array. 135039213Sgibbs */ 135139213Sgibbs st_hdr = (struct read_element_status_header *)data; 1352144132Sken pg_hdr = (struct read_element_status_page_header *)((uintptr_t)st_hdr + 1353144132Sken sizeof(struct read_element_status_header)); 135439213Sgibbs avail = scsi_2btoul(st_hdr->count); 135539213Sgibbs 135639213Sgibbs if (avail != cesr->cesr_element_count) { 1357164906Smjacob xpt_print(periph->path, 1358164906Smjacob "warning, READ ELEMENT STATUS avail != count\n"); 135939213Sgibbs } 136039213Sgibbs 136139213Sgibbs user_data = (struct changer_element_status *) 136239213Sgibbs malloc(avail * sizeof(struct changer_element_status), 1363111119Simp M_DEVBUF, M_WAITOK | M_ZERO); 136439213Sgibbs 136550270Sbde desc = (struct read_element_status_descriptor *)((uintptr_t)data + 136639213Sgibbs sizeof(struct read_element_status_header) + 136739213Sgibbs sizeof(struct read_element_status_page_header)); 136839213Sgibbs /* 136939213Sgibbs * Set up the individual element status structures 137039213Sgibbs */ 137139213Sgibbs for (i = 0; i < avail; ++i) { 1372249658Sken struct changer_element_status *ces; 137339213Sgibbs 1374249658Sken /* 1375249658Sken * In the changer_element_status structure, fields from 1376249658Sken * the beginning to the field of ces_scsi_lun are common 1377249658Sken * between SCSI-2 and SCSI-3, while all the rest are new 1378249658Sken * from SCSI-3. In order to maintain backward compatibility 1379249658Sken * of the chio command, the ces pointer, below, is computed 1380249658Sken * such that it lines up with the structure boundary 1381249658Sken * corresponding to the SCSI version. 1382249658Sken */ 1383249658Sken ces = cmd == OCHIOGSTATUS ? 1384249658Sken (struct changer_element_status *) 1385249658Sken ((unsigned char *)user_data + i * 1386249658Sken (offsetof(struct changer_element_status,ces_scsi_lun)+1)): 1387249658Sken &user_data[i]; 138839213Sgibbs 1389249658Sken copy_element_status(softc, pg_hdr->flags, desc, 1390249658Sken ces, scsi_version); 1391249658Sken 139250270Sbde desc = (struct read_element_status_descriptor *) 1393249658Sken ((unsigned char *)desc + desclen); 139439213Sgibbs } 139539213Sgibbs 139639213Sgibbs /* Copy element status structures out to userspace. */ 1397249658Sken if (cmd == OCHIOGSTATUS) 1398249658Sken error = copyout(user_data, 1399249658Sken cesr->cesr_element_status, 1400249658Sken avail* (offsetof(struct changer_element_status, 1401249658Sken ces_scsi_lun) + 1)); 1402249658Sken else 1403249658Sken error = copyout(user_data, 1404249658Sken cesr->cesr_element_status, 1405249658Sken avail * sizeof(struct changer_element_status)); 1406249658Sken 1407168752Sscottl cam_periph_lock(periph); 140839213Sgibbs 140939213Sgibbs done: 141039213Sgibbs xpt_release_ccb(ccb); 141139213Sgibbs 141239213Sgibbs if (data != NULL) 141339213Sgibbs free(data, M_DEVBUF); 141439213Sgibbs if (user_data != NULL) 141539213Sgibbs free(user_data, M_DEVBUF); 141639213Sgibbs 141739213Sgibbs return (error); 141839213Sgibbs} 141939213Sgibbs 142039213Sgibbsstatic int 142139213Sgibbschielem(struct cam_periph *periph, 142239213Sgibbs unsigned int timeout) 142339213Sgibbs{ 142439213Sgibbs union ccb *ccb; 142539213Sgibbs struct ch_softc *softc; 142639213Sgibbs int error; 142739213Sgibbs 142839213Sgibbs if (!timeout) { 142939213Sgibbs timeout = CH_TIMEOUT_INITIALIZE_ELEMENT_STATUS; 143039213Sgibbs } else { 143139213Sgibbs timeout *= 1000; 143239213Sgibbs } 143339213Sgibbs 143439213Sgibbs error = 0; 143539213Sgibbs softc = (struct ch_softc *)periph->softc; 143639213Sgibbs 1437198382Smav ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 143839213Sgibbs 143939213Sgibbs scsi_initialize_element_status(&ccb->csio, 144039213Sgibbs /* retries */ 1, 144139213Sgibbs /* cbfcnp */ chdone, 144239213Sgibbs /* tag_action */ MSG_SIMPLE_Q_TAG, 144339213Sgibbs /* sense_len */ SSD_FULL_SIZE, 144439213Sgibbs /* timeout */ timeout); 144539213Sgibbs 144674840Sken error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 144774840Sken /*sense_flags*/ SF_RETRY_UA, 1448112006Sphk softc->device_stats); 144939213Sgibbs 145039213Sgibbs xpt_release_ccb(ccb); 145139213Sgibbs 145239213Sgibbs return(error); 145339213Sgibbs} 145439213Sgibbs 145539213Sgibbsstatic int 145639213Sgibbschsetvoltag(struct cam_periph *periph, 145739213Sgibbs struct changer_set_voltag_request *csvr) 145839213Sgibbs{ 145939213Sgibbs union ccb *ccb; 146039213Sgibbs struct ch_softc *softc; 146139213Sgibbs u_int16_t ea; 146239213Sgibbs u_int8_t sac; 146339213Sgibbs struct scsi_send_volume_tag_parameters ssvtp; 146439213Sgibbs int error; 146539213Sgibbs int i; 146639213Sgibbs 146739213Sgibbs error = 0; 146839213Sgibbs softc = (struct ch_softc *)periph->softc; 146939213Sgibbs 147039213Sgibbs bzero(&ssvtp, sizeof(ssvtp)); 147139213Sgibbs for (i=0; i<sizeof(ssvtp.vitf); i++) { 147239213Sgibbs ssvtp.vitf[i] = ' '; 147339213Sgibbs } 147439213Sgibbs 147539213Sgibbs /* 147639213Sgibbs * Check arguments. 147739213Sgibbs */ 147839213Sgibbs if (csvr->csvr_type > CHET_DT) 147939213Sgibbs return EINVAL; 148039213Sgibbs if (csvr->csvr_addr > (softc->sc_counts[csvr->csvr_type] - 1)) 148139213Sgibbs return ENODEV; 148239213Sgibbs 148339213Sgibbs ea = softc->sc_firsts[csvr->csvr_type] + csvr->csvr_addr; 148439213Sgibbs 148539213Sgibbs if (csvr->csvr_flags & CSVR_ALTERNATE) { 148639213Sgibbs switch (csvr->csvr_flags & CSVR_MODE_MASK) { 148739213Sgibbs case CSVR_MODE_SET: 148839213Sgibbs sac = SEND_VOLUME_TAG_ASSERT_ALTERNATE; 148939213Sgibbs break; 149039213Sgibbs case CSVR_MODE_REPLACE: 149139213Sgibbs sac = SEND_VOLUME_TAG_REPLACE_ALTERNATE; 149239213Sgibbs break; 149339213Sgibbs case CSVR_MODE_CLEAR: 149439213Sgibbs sac = SEND_VOLUME_TAG_UNDEFINED_ALTERNATE; 149539213Sgibbs break; 149639213Sgibbs default: 149739213Sgibbs error = EINVAL; 149839213Sgibbs goto out; 149939213Sgibbs } 150039213Sgibbs } else { 150139213Sgibbs switch (csvr->csvr_flags & CSVR_MODE_MASK) { 150239213Sgibbs case CSVR_MODE_SET: 150339213Sgibbs sac = SEND_VOLUME_TAG_ASSERT_PRIMARY; 150439213Sgibbs break; 150539213Sgibbs case CSVR_MODE_REPLACE: 150639213Sgibbs sac = SEND_VOLUME_TAG_REPLACE_PRIMARY; 150739213Sgibbs break; 150839213Sgibbs case CSVR_MODE_CLEAR: 150939213Sgibbs sac = SEND_VOLUME_TAG_UNDEFINED_PRIMARY; 151039213Sgibbs break; 151139213Sgibbs default: 151239213Sgibbs error = EINVAL; 151339213Sgibbs goto out; 151439213Sgibbs } 151539213Sgibbs } 151639213Sgibbs 151739213Sgibbs memcpy(ssvtp.vitf, csvr->csvr_voltag.cv_volid, 151839213Sgibbs min(strlen(csvr->csvr_voltag.cv_volid), sizeof(ssvtp.vitf))); 151939213Sgibbs scsi_ulto2b(csvr->csvr_voltag.cv_serial, ssvtp.minvsn); 152039213Sgibbs 1521198382Smav ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 152239213Sgibbs 152339213Sgibbs scsi_send_volume_tag(&ccb->csio, 152439213Sgibbs /* retries */ 1, 152539213Sgibbs /* cbfcnp */ chdone, 152639213Sgibbs /* tag_action */ MSG_SIMPLE_Q_TAG, 152739213Sgibbs /* element_address */ ea, 152839213Sgibbs /* send_action_code */ sac, 152939213Sgibbs /* parameters */ &ssvtp, 153039213Sgibbs /* sense_len */ SSD_FULL_SIZE, 153139213Sgibbs /* timeout */ CH_TIMEOUT_SEND_VOLTAG); 153239213Sgibbs 153374840Sken error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 153474840Sken /*sense_flags*/ SF_RETRY_UA, 1535112006Sphk softc->device_stats); 153639213Sgibbs 153739213Sgibbs xpt_release_ccb(ccb); 153839213Sgibbs 153939213Sgibbs out: 154039213Sgibbs return error; 154139213Sgibbs} 154239213Sgibbs 154339213Sgibbsstatic int 154439213Sgibbschgetparams(struct cam_periph *periph) 154539213Sgibbs{ 154639213Sgibbs union ccb *ccb; 154739213Sgibbs struct ch_softc *softc; 154839885Sken void *mode_buffer; 154939885Sken int mode_buffer_len; 155039885Sken struct page_element_address_assignment *ea; 155139885Sken struct page_device_capabilities *cap; 155239885Sken int error, from, dbd; 155339213Sgibbs u_int8_t *moves, *exchanges; 155439213Sgibbs 155539213Sgibbs error = 0; 155639213Sgibbs 155739213Sgibbs softc = (struct ch_softc *)periph->softc; 155839213Sgibbs 1559198382Smav ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 156039213Sgibbs 156139885Sken /* 156239885Sken * The scsi_mode_sense_data structure is just a convenience 156339885Sken * structure that allows us to easily calculate the worst-case 156439885Sken * storage size of the mode sense buffer. 156539885Sken */ 156639885Sken mode_buffer_len = sizeof(struct scsi_mode_sense_data); 156739885Sken 1568169562Sscottl mode_buffer = malloc(mode_buffer_len, M_SCSICH, M_NOWAIT); 156939885Sken 157039885Sken if (mode_buffer == NULL) { 157139213Sgibbs printf("chgetparams: couldn't malloc mode sense data\n"); 1572316791Sbdrewery xpt_release_ccb(ccb); 157339213Sgibbs return(ENOSPC); 157439213Sgibbs } 157539213Sgibbs 157639885Sken bzero(mode_buffer, mode_buffer_len); 157739213Sgibbs 157839885Sken if (softc->quirks & CH_Q_NO_DBD) 157939885Sken dbd = FALSE; 158039885Sken else 158139885Sken dbd = TRUE; 158239885Sken 158339213Sgibbs /* 158439213Sgibbs * Get the element address assignment page. 158539213Sgibbs */ 158639213Sgibbs scsi_mode_sense(&ccb->csio, 158739213Sgibbs /* retries */ 1, 158839213Sgibbs /* cbfcnp */ chdone, 158939213Sgibbs /* tag_action */ MSG_SIMPLE_Q_TAG, 159039885Sken /* dbd */ dbd, 1591312567Smav /* pc */ SMS_PAGE_CTRL_CURRENT, 159239213Sgibbs /* page */ CH_ELEMENT_ADDR_ASSIGN_PAGE, 159339885Sken /* param_buf */ (u_int8_t *)mode_buffer, 159439885Sken /* param_len */ mode_buffer_len, 159539213Sgibbs /* sense_len */ SSD_FULL_SIZE, 159639213Sgibbs /* timeout */ CH_TIMEOUT_MODE_SENSE); 159739213Sgibbs 159874840Sken error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 159974840Sken /* sense_flags */ SF_RETRY_UA|SF_NO_PRINT, 1600112006Sphk softc->device_stats); 160139213Sgibbs 160239213Sgibbs if (error) { 160339885Sken if (dbd) { 160439885Sken struct scsi_mode_sense_6 *sms; 160539885Sken 160639885Sken sms = (struct scsi_mode_sense_6 *) 160739885Sken ccb->csio.cdb_io.cdb_bytes; 160839885Sken 160939885Sken sms->byte2 &= ~SMS_DBD; 161074840Sken error = cam_periph_runccb(ccb, cherror, 161174840Sken /*cam_flags*/ CAM_RETRY_SELTO, 161274840Sken /*sense_flags*/ SF_RETRY_UA, 1613112006Sphk softc->device_stats); 161439885Sken } else { 161539885Sken /* 161639885Sken * Since we disabled sense printing above, print 161739885Sken * out the sense here since we got an error. 161839885Sken */ 161939885Sken scsi_sense_print(&ccb->csio); 162039885Sken } 162139885Sken 162239885Sken if (error) { 1623164906Smjacob xpt_print(periph->path, 1624164906Smjacob "chgetparams: error getting element " 1625164906Smjacob "address page\n"); 162639885Sken xpt_release_ccb(ccb); 1627169562Sscottl free(mode_buffer, M_SCSICH); 162839885Sken return(error); 162939885Sken } 163039213Sgibbs } 163139213Sgibbs 163239885Sken ea = (struct page_element_address_assignment *) 163339885Sken find_mode_page_6((struct scsi_mode_header_6 *)mode_buffer); 163439213Sgibbs 163539885Sken softc->sc_firsts[CHET_MT] = scsi_2btoul(ea->mtea); 163639885Sken softc->sc_counts[CHET_MT] = scsi_2btoul(ea->nmte); 163739885Sken softc->sc_firsts[CHET_ST] = scsi_2btoul(ea->fsea); 163839885Sken softc->sc_counts[CHET_ST] = scsi_2btoul(ea->nse); 163939885Sken softc->sc_firsts[CHET_IE] = scsi_2btoul(ea->fieea); 164039885Sken softc->sc_counts[CHET_IE] = scsi_2btoul(ea->niee); 164139885Sken softc->sc_firsts[CHET_DT] = scsi_2btoul(ea->fdtea); 164239885Sken softc->sc_counts[CHET_DT] = scsi_2btoul(ea->ndte); 164339213Sgibbs 164439885Sken bzero(mode_buffer, mode_buffer_len); 164539885Sken 164639213Sgibbs /* 164739213Sgibbs * Now get the device capabilities page. 164839213Sgibbs */ 164939213Sgibbs scsi_mode_sense(&ccb->csio, 165039213Sgibbs /* retries */ 1, 165139213Sgibbs /* cbfcnp */ chdone, 165239213Sgibbs /* tag_action */ MSG_SIMPLE_Q_TAG, 165339885Sken /* dbd */ dbd, 1654312567Smav /* pc */ SMS_PAGE_CTRL_CURRENT, 165539213Sgibbs /* page */ CH_DEVICE_CAP_PAGE, 165639885Sken /* param_buf */ (u_int8_t *)mode_buffer, 165739885Sken /* param_len */ mode_buffer_len, 165839213Sgibbs /* sense_len */ SSD_FULL_SIZE, 165939213Sgibbs /* timeout */ CH_TIMEOUT_MODE_SENSE); 166039213Sgibbs 166174840Sken error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 166274840Sken /* sense_flags */ SF_RETRY_UA | SF_NO_PRINT, 1663112006Sphk softc->device_stats); 166439213Sgibbs 166539885Sken if (error) { 166639885Sken if (dbd) { 166739885Sken struct scsi_mode_sense_6 *sms; 166839213Sgibbs 166939885Sken sms = (struct scsi_mode_sense_6 *) 167039885Sken ccb->csio.cdb_io.cdb_bytes; 167139885Sken 167239885Sken sms->byte2 &= ~SMS_DBD; 167374840Sken error = cam_periph_runccb(ccb, cherror, 167474840Sken /*cam_flags*/ CAM_RETRY_SELTO, 167574840Sken /*sense_flags*/ SF_RETRY_UA, 1676112006Sphk softc->device_stats); 167739885Sken } else { 167839885Sken /* 167939885Sken * Since we disabled sense printing above, print 168039885Sken * out the sense here since we got an error. 168139885Sken */ 168239885Sken scsi_sense_print(&ccb->csio); 168339885Sken } 168439885Sken 168539885Sken if (error) { 1686164906Smjacob xpt_print(periph->path, 1687164906Smjacob "chgetparams: error getting device " 1688164906Smjacob "capabilities page\n"); 168939885Sken xpt_release_ccb(ccb); 1690169562Sscottl free(mode_buffer, M_SCSICH); 169139885Sken return(error); 169239885Sken } 169339213Sgibbs } 169439213Sgibbs 169539885Sken xpt_release_ccb(ccb); 169639213Sgibbs 169739885Sken cap = (struct page_device_capabilities *) 169839885Sken find_mode_page_6((struct scsi_mode_header_6 *)mode_buffer); 169939885Sken 170039213Sgibbs bzero(softc->sc_movemask, sizeof(softc->sc_movemask)); 170139213Sgibbs bzero(softc->sc_exchangemask, sizeof(softc->sc_exchangemask)); 1702115464Sphk moves = cap->move_from; 1703115464Sphk exchanges = cap->exchange_with; 1704115464Sphk for (from = CHET_MT; from <= CHET_MAX; ++from) { 170539213Sgibbs softc->sc_movemask[from] = moves[from]; 170639213Sgibbs softc->sc_exchangemask[from] = exchanges[from]; 170739213Sgibbs } 170839213Sgibbs 1709169562Sscottl free(mode_buffer, M_SCSICH); 171039885Sken 171139213Sgibbs return(error); 171239213Sgibbs} 171339213Sgibbs 1714249658Skenstatic int 1715249658Skenchscsiversion(struct cam_periph *periph) 1716249658Sken{ 1717249658Sken struct scsi_inquiry_data *inq_data; 1718249658Sken struct ccb_getdev *cgd; 1719249658Sken int dev_scsi_version; 1720249658Sken 1721260387Sscottl cam_periph_assert(periph, MA_OWNED); 1722249658Sken if ((cgd = (struct ccb_getdev *)xpt_alloc_ccb_nowait()) == NULL) 1723249658Sken return (-1); 1724249658Sken /* 1725249658Sken * Get the device information. 1726249658Sken */ 1727249658Sken xpt_setup_ccb(&cgd->ccb_h, 1728249658Sken periph->path, 1729249658Sken CAM_PRIORITY_NORMAL); 1730249658Sken cgd->ccb_h.func_code = XPT_GDEV_TYPE; 1731249658Sken xpt_action((union ccb *)cgd); 1732249658Sken 1733249658Sken if (cgd->ccb_h.status != CAM_REQ_CMP) { 1734249658Sken xpt_free_ccb((union ccb *)cgd); 1735249658Sken return -1; 1736249658Sken } 1737249658Sken 1738249658Sken inq_data = &cgd->inq_data; 1739249658Sken dev_scsi_version = inq_data->version; 1740249658Sken xpt_free_ccb((union ccb *)cgd); 1741249658Sken 1742249658Sken return dev_scsi_version; 1743249658Sken} 1744249658Sken 174539213Sgibbsvoid 174639213Sgibbsscsi_move_medium(struct ccb_scsiio *csio, u_int32_t retries, 174739213Sgibbs void (*cbfcnp)(struct cam_periph *, union ccb *), 174839213Sgibbs u_int8_t tag_action, u_int32_t tea, u_int32_t src, 174939213Sgibbs u_int32_t dst, int invert, u_int8_t sense_len, 175039213Sgibbs u_int32_t timeout) 175139213Sgibbs{ 175239213Sgibbs struct scsi_move_medium *scsi_cmd; 175339213Sgibbs 175439213Sgibbs scsi_cmd = (struct scsi_move_medium *)&csio->cdb_io.cdb_bytes; 175539213Sgibbs bzero(scsi_cmd, sizeof(*scsi_cmd)); 175639213Sgibbs 175739213Sgibbs scsi_cmd->opcode = MOVE_MEDIUM; 175839213Sgibbs 175939213Sgibbs scsi_ulto2b(tea, scsi_cmd->tea); 176039213Sgibbs scsi_ulto2b(src, scsi_cmd->src); 176139213Sgibbs scsi_ulto2b(dst, scsi_cmd->dst); 176239213Sgibbs 176339213Sgibbs if (invert) 176439213Sgibbs scsi_cmd->invert |= MOVE_MEDIUM_INVERT; 176539213Sgibbs 176639213Sgibbs cam_fill_csio(csio, 176739213Sgibbs retries, 176839213Sgibbs cbfcnp, 176939213Sgibbs /*flags*/ CAM_DIR_NONE, 177039213Sgibbs tag_action, 177139213Sgibbs /*data_ptr*/ NULL, 177239213Sgibbs /*dxfer_len*/ 0, 177339213Sgibbs sense_len, 177439213Sgibbs sizeof(*scsi_cmd), 177539213Sgibbs timeout); 177639213Sgibbs} 177739213Sgibbs 177839213Sgibbsvoid 177939213Sgibbsscsi_exchange_medium(struct ccb_scsiio *csio, u_int32_t retries, 178039213Sgibbs void (*cbfcnp)(struct cam_periph *, union ccb *), 178139213Sgibbs u_int8_t tag_action, u_int32_t tea, u_int32_t src, 178239213Sgibbs u_int32_t dst1, u_int32_t dst2, int invert1, 178339213Sgibbs int invert2, u_int8_t sense_len, u_int32_t timeout) 178439213Sgibbs{ 178539213Sgibbs struct scsi_exchange_medium *scsi_cmd; 178639213Sgibbs 178739213Sgibbs scsi_cmd = (struct scsi_exchange_medium *)&csio->cdb_io.cdb_bytes; 178839213Sgibbs bzero(scsi_cmd, sizeof(*scsi_cmd)); 178939213Sgibbs 179039213Sgibbs scsi_cmd->opcode = EXCHANGE_MEDIUM; 179139213Sgibbs 179239213Sgibbs scsi_ulto2b(tea, scsi_cmd->tea); 179339213Sgibbs scsi_ulto2b(src, scsi_cmd->src); 179439213Sgibbs scsi_ulto2b(dst1, scsi_cmd->fdst); 179539213Sgibbs scsi_ulto2b(dst2, scsi_cmd->sdst); 179639213Sgibbs 179739213Sgibbs if (invert1) 179839213Sgibbs scsi_cmd->invert |= EXCHANGE_MEDIUM_INV1; 179939213Sgibbs 180039213Sgibbs if (invert2) 180139213Sgibbs scsi_cmd->invert |= EXCHANGE_MEDIUM_INV2; 180239213Sgibbs 180339213Sgibbs cam_fill_csio(csio, 180439213Sgibbs retries, 180539213Sgibbs cbfcnp, 180639213Sgibbs /*flags*/ CAM_DIR_NONE, 180739213Sgibbs tag_action, 180839213Sgibbs /*data_ptr*/ NULL, 180939213Sgibbs /*dxfer_len*/ 0, 181039213Sgibbs sense_len, 181139213Sgibbs sizeof(*scsi_cmd), 181239213Sgibbs timeout); 181339213Sgibbs} 181439213Sgibbs 181539213Sgibbsvoid 181639213Sgibbsscsi_position_to_element(struct ccb_scsiio *csio, u_int32_t retries, 181739213Sgibbs void (*cbfcnp)(struct cam_periph *, union ccb *), 181839213Sgibbs u_int8_t tag_action, u_int32_t tea, u_int32_t dst, 181939213Sgibbs int invert, u_int8_t sense_len, u_int32_t timeout) 182039213Sgibbs{ 182139213Sgibbs struct scsi_position_to_element *scsi_cmd; 182239213Sgibbs 182339213Sgibbs scsi_cmd = (struct scsi_position_to_element *)&csio->cdb_io.cdb_bytes; 182439213Sgibbs bzero(scsi_cmd, sizeof(*scsi_cmd)); 182539213Sgibbs 182639213Sgibbs scsi_cmd->opcode = POSITION_TO_ELEMENT; 182739213Sgibbs 182839213Sgibbs scsi_ulto2b(tea, scsi_cmd->tea); 182939213Sgibbs scsi_ulto2b(dst, scsi_cmd->dst); 183039213Sgibbs 183139213Sgibbs if (invert) 183239213Sgibbs scsi_cmd->invert |= POSITION_TO_ELEMENT_INVERT; 183339213Sgibbs 183439213Sgibbs cam_fill_csio(csio, 183539213Sgibbs retries, 183639213Sgibbs cbfcnp, 183739213Sgibbs /*flags*/ CAM_DIR_NONE, 183839213Sgibbs tag_action, 183939213Sgibbs /*data_ptr*/ NULL, 184039213Sgibbs /*dxfer_len*/ 0, 184139213Sgibbs sense_len, 184239213Sgibbs sizeof(*scsi_cmd), 184339213Sgibbs timeout); 184439213Sgibbs} 184539213Sgibbs 184639213Sgibbsvoid 184739213Sgibbsscsi_read_element_status(struct ccb_scsiio *csio, u_int32_t retries, 184839213Sgibbs void (*cbfcnp)(struct cam_periph *, union ccb *), 184939213Sgibbs u_int8_t tag_action, int voltag, u_int32_t sea, 1850249658Sken int curdata, int dvcid, 185139213Sgibbs u_int32_t count, u_int8_t *data_ptr, 185239213Sgibbs u_int32_t dxfer_len, u_int8_t sense_len, 185339213Sgibbs u_int32_t timeout) 185439213Sgibbs{ 185539213Sgibbs struct scsi_read_element_status *scsi_cmd; 185639213Sgibbs 185739213Sgibbs scsi_cmd = (struct scsi_read_element_status *)&csio->cdb_io.cdb_bytes; 185839213Sgibbs bzero(scsi_cmd, sizeof(*scsi_cmd)); 185939213Sgibbs 186039213Sgibbs scsi_cmd->opcode = READ_ELEMENT_STATUS; 186139213Sgibbs 186239213Sgibbs scsi_ulto2b(sea, scsi_cmd->sea); 186339213Sgibbs scsi_ulto2b(count, scsi_cmd->count); 186439213Sgibbs scsi_ulto3b(dxfer_len, scsi_cmd->len); 1865249658Sken if (dvcid) 1866249658Sken scsi_cmd->flags |= READ_ELEMENT_STATUS_DVCID; 1867249658Sken if (curdata) 1868249658Sken scsi_cmd->flags |= READ_ELEMENT_STATUS_CURDATA; 186939213Sgibbs 187039213Sgibbs if (voltag) 187139213Sgibbs scsi_cmd->byte2 |= READ_ELEMENT_STATUS_VOLTAG; 187239213Sgibbs 187339213Sgibbs cam_fill_csio(csio, 187439213Sgibbs retries, 187539213Sgibbs cbfcnp, 187639213Sgibbs /*flags*/ CAM_DIR_IN, 187739213Sgibbs tag_action, 187839213Sgibbs data_ptr, 187939213Sgibbs dxfer_len, 188039213Sgibbs sense_len, 188139213Sgibbs sizeof(*scsi_cmd), 188239213Sgibbs timeout); 188339213Sgibbs} 188439213Sgibbs 188539213Sgibbsvoid 188639213Sgibbsscsi_initialize_element_status(struct ccb_scsiio *csio, u_int32_t retries, 188739213Sgibbs void (*cbfcnp)(struct cam_periph *, union ccb *), 188839213Sgibbs u_int8_t tag_action, u_int8_t sense_len, 188939213Sgibbs u_int32_t timeout) 189039213Sgibbs{ 189139213Sgibbs struct scsi_initialize_element_status *scsi_cmd; 189239213Sgibbs 189339213Sgibbs scsi_cmd = (struct scsi_initialize_element_status *) 189439213Sgibbs &csio->cdb_io.cdb_bytes; 189539213Sgibbs bzero(scsi_cmd, sizeof(*scsi_cmd)); 189639213Sgibbs 189739213Sgibbs scsi_cmd->opcode = INITIALIZE_ELEMENT_STATUS; 189839213Sgibbs 189939213Sgibbs cam_fill_csio(csio, 190039213Sgibbs retries, 190139213Sgibbs cbfcnp, 190239213Sgibbs /*flags*/ CAM_DIR_NONE, 190339213Sgibbs tag_action, 190439213Sgibbs /* data_ptr */ NULL, 190539213Sgibbs /* dxfer_len */ 0, 190639213Sgibbs sense_len, 190739213Sgibbs sizeof(*scsi_cmd), 190839213Sgibbs timeout); 190939213Sgibbs} 191039213Sgibbs 191139213Sgibbsvoid 191239213Sgibbsscsi_send_volume_tag(struct ccb_scsiio *csio, u_int32_t retries, 191339213Sgibbs void (*cbfcnp)(struct cam_periph *, union ccb *), 191439213Sgibbs u_int8_t tag_action, 191539213Sgibbs u_int16_t element_address, 191639213Sgibbs u_int8_t send_action_code, 191739213Sgibbs struct scsi_send_volume_tag_parameters *parameters, 191839213Sgibbs u_int8_t sense_len, u_int32_t timeout) 191939213Sgibbs{ 192039213Sgibbs struct scsi_send_volume_tag *scsi_cmd; 192139213Sgibbs 192239213Sgibbs scsi_cmd = (struct scsi_send_volume_tag *) &csio->cdb_io.cdb_bytes; 192339213Sgibbs bzero(scsi_cmd, sizeof(*scsi_cmd)); 192439213Sgibbs 192539213Sgibbs scsi_cmd->opcode = SEND_VOLUME_TAG; 192639213Sgibbs scsi_ulto2b(element_address, scsi_cmd->ea); 192739213Sgibbs scsi_cmd->sac = send_action_code; 192839213Sgibbs scsi_ulto2b(sizeof(*parameters), scsi_cmd->pll); 192939213Sgibbs 193039213Sgibbs cam_fill_csio(csio, 193139213Sgibbs retries, 193239213Sgibbs cbfcnp, 193339213Sgibbs /*flags*/ CAM_DIR_OUT, 193439213Sgibbs tag_action, 193539213Sgibbs /* data_ptr */ (u_int8_t *) parameters, 193639213Sgibbs sizeof(*parameters), 193739213Sgibbs sense_len, 193839213Sgibbs sizeof(*scsi_cmd), 193939213Sgibbs timeout); 194039213Sgibbs} 1941