165245Smsmith/*- 265245Smsmith * Copyright (c) 2000 Michael Smith 365245Smsmith * Copyright (c) 2000 BSDi 465245Smsmith * All rights reserved. 565245Smsmith * 665245Smsmith * Redistribution and use in source and binary forms, with or without 765245Smsmith * modification, are permitted provided that the following conditions 865245Smsmith * are met: 965245Smsmith * 1. Redistributions of source code must retain the above copyright 10174186Sscottl * notice, this list of conditions and the following disclaimer. 1165245Smsmith * 2. Redistributions in binary form must reproduce the above copyright 12174186Sscottl * notice, this list of conditions and the following disclaimer in the 13174186Sscottl * documentation and/or other materials provided with the distribution. 1465245Smsmith * 1565245Smsmith * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1665245Smsmith * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1765245Smsmith * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1865245Smsmith * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1965245Smsmith * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2065245Smsmith * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2165245Smsmith * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2265245Smsmith * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2365245Smsmith * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2465245Smsmith * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2565245Smsmith * SUCH DAMAGE. 26119418Sobrien */ 27139749Simp/*- 28106225Semoore * Copyright (c) 2002 Eric Moore 29106225Semoore * Copyright (c) 2002 LSI Logic Corporation 30106225Semoore * All rights reserved. 31106225Semoore * 32106225Semoore * Redistribution and use in source and binary forms, with or without 33106225Semoore * modification, are permitted provided that the following conditions 34106225Semoore * are met: 35106225Semoore * 1. Redistributions of source code must retain the above copyright 36174186Sscottl * notice, this list of conditions and the following disclaimer. 37106225Semoore * 2. Redistributions in binary form must reproduce the above copyright 38174186Sscottl * notice, this list of conditions and the following disclaimer in the 39174186Sscottl * documentation and/or other materials provided with the distribution. 40105419Semoore * 3. The party using or redistributing the source code and binary forms 41174186Sscottl * agrees to the disclaimer below and the terms and conditions set forth 42174186Sscottl * herein. 43105419Semoore * 44106225Semoore * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 45106225Semoore * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 46106225Semoore * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 47106225Semoore * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 48106225Semoore * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 49106225Semoore * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 50106225Semoore * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 51106225Semoore * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 52106225Semoore * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 53106225Semoore * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 54106225Semoore * SUCH DAMAGE. 5565245Smsmith */ 5665245Smsmith 57119418Sobrien#include <sys/cdefs.h> 58119418Sobrien__FBSDID("$FreeBSD$"); 59119418Sobrien 6065245Smsmith#include <sys/param.h> 6165245Smsmith#include <sys/systm.h> 6265245Smsmith#include <sys/malloc.h> 6365245Smsmith#include <sys/kernel.h> 64184573Sscottl#include <sys/module.h> 6565245Smsmith 66148850Sscottl#include <sys/bio.h> 6765245Smsmith#include <sys/bus.h> 6865245Smsmith#include <sys/conf.h> 6965245Smsmith#include <sys/stat.h> 7065245Smsmith 7165245Smsmith#include <cam/cam.h> 7265245Smsmith#include <cam/cam_ccb.h> 7365245Smsmith#include <cam/cam_sim.h> 7465245Smsmith#include <cam/cam_xpt.h> 7565245Smsmith#include <cam/cam_xpt_sim.h> 7665245Smsmith#include <cam/cam_debug.h> 7765245Smsmith#include <cam/scsi/scsi_all.h> 7865245Smsmith#include <cam/scsi/scsi_message.h> 7965245Smsmith 8065245Smsmith#include <machine/resource.h> 8165245Smsmith#include <machine/bus.h> 8265245Smsmith 8365245Smsmith#include <dev/amr/amrreg.h> 8465245Smsmith#include <dev/amr/amrvar.h> 8565245Smsmith 86184573Sscottlstatic int amr_cam_probe(device_t dev); 87184573Sscottlstatic int amr_cam_attach(device_t dev); 88184573Sscottlstatic int amr_cam_detach(device_t dev); 89174186Sscottlstatic void amr_cam_action(struct cam_sim *sim, union ccb *ccb); 90174186Sscottlstatic void amr_cam_poll(struct cam_sim *sim); 91174186Sscottlstatic void amr_cam_complete(struct amr_command *ac); 92184573Sscottlstatic int amr_cam_command(struct amr_softc *sc, struct amr_command **acp); 9365245Smsmith 94184573Sscottlstatic devclass_t amr_pass_devclass; 95184573Sscottl 96184573Sscottlstatic device_method_t amr_pass_methods[] = { 97184573Sscottl DEVMETHOD(device_probe, amr_cam_probe), 98184573Sscottl DEVMETHOD(device_attach, amr_cam_attach), 99184573Sscottl DEVMETHOD(device_detach, amr_cam_detach), 100184573Sscottl { 0, 0 } 101184573Sscottl}; 102184573Sscottl 103184573Sscottlstatic driver_t amr_pass_driver = { 104184573Sscottl "amrp", 105184573Sscottl amr_pass_methods, 106184573Sscottl 0 107184573Sscottl}; 108184573Sscottl 109184573SscottlDRIVER_MODULE(amrp, amr, amr_pass_driver, amr_pass_devclass, 0, 0); 110184573SscottlMODULE_DEPEND(amrp, cam, 1, 1, 1); 111184573Sscottl 112227293Sedstatic MALLOC_DEFINE(M_AMRCAM, "amrcam", "AMR CAM memory"); 11365245Smsmith 114174186Sscottl/*********************************************************************** 11565245Smsmith * Enqueue/dequeue functions 11665245Smsmith */ 11765245Smsmithstatic __inline void 11865245Smsmithamr_enqueue_ccb(struct amr_softc *sc, union ccb *ccb) 11965245Smsmith{ 12065245Smsmith 121174186Sscottl TAILQ_INSERT_TAIL(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe); 12265245Smsmith} 12365245Smsmith 12465245Smsmithstatic __inline void 12565245Smsmithamr_requeue_ccb(struct amr_softc *sc, union ccb *ccb) 12665245Smsmith{ 12765245Smsmith 128174186Sscottl TAILQ_INSERT_HEAD(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe); 12965245Smsmith} 13065245Smsmith 13165245Smsmithstatic __inline union ccb * 13265245Smsmithamr_dequeue_ccb(struct amr_softc *sc) 13365245Smsmith{ 134174186Sscottl union ccb *ccb; 13565245Smsmith 136174186Sscottl if ((ccb = (union ccb *)TAILQ_FIRST(&sc->amr_cam_ccbq)) != NULL) 137174186Sscottl TAILQ_REMOVE(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe); 138174186Sscottl return(ccb); 13965245Smsmith} 14065245Smsmith 141184573Sscottlstatic int 142184573Sscottlamr_cam_probe(device_t dev) 143184573Sscottl{ 144184573Sscottl return (0); 145184573Sscottl} 146184573Sscottl 14765245Smsmith/******************************************************************************** 14865245Smsmith * Attach our 'real' SCSI channels to CAM 14965245Smsmith */ 150184573Sscottlstatic int 151184573Sscottlamr_cam_attach(device_t dev) 15265245Smsmith{ 153184573Sscottl struct amr_softc *sc; 154174186Sscottl struct cam_devq *devq; 155184573Sscottl int chn, error; 15665245Smsmith 157184573Sscottl sc = device_get_softc(dev); 158184573Sscottl 159174186Sscottl /* initialise the ccb queue */ 160174186Sscottl TAILQ_INIT(&sc->amr_cam_ccbq); 16165245Smsmith 162174186Sscottl /* 163174186Sscottl * Allocate a devq for all our channels combined. This should 164174186Sscottl * allow for the maximum number of SCSI commands we will accept 165174186Sscottl * at one time. Save the pointer in the softc so we can find it later 166174186Sscottl * during detach. 167174186Sscottl */ 168174186Sscottl if ((devq = cam_simq_alloc(AMR_MAX_SCSI_CMDS)) == NULL) 169184573Sscottl return(ENOMEM); 170174186Sscottl sc->amr_cam_devq = devq; 17165245Smsmith 172174186Sscottl /* 173174186Sscottl * Iterate over our channels, registering them with CAM 174174186Sscottl */ 175174186Sscottl for (chn = 0; chn < sc->amr_maxchan; chn++) { 176105419Semoore 177174186Sscottl /* allocate a sim */ 178174186Sscottl if ((sc->amr_cam_sim[chn] = cam_sim_alloc(amr_cam_action, 179174186Sscottl amr_cam_poll, "amr", sc, device_get_unit(sc->amr_dev), 180174186Sscottl &sc->amr_list_lock, 1, AMR_MAX_SCSI_CMDS, devq)) == NULL) { 181174186Sscottl cam_simq_free(devq); 182174186Sscottl device_printf(sc->amr_dev, "CAM SIM attach failed\n"); 183174186Sscottl return(ENOMEM); 184174186Sscottl } 185105419Semoore 186174186Sscottl /* register the bus ID so we can get it later */ 187174186Sscottl mtx_lock(&sc->amr_list_lock); 188174186Sscottl error = xpt_bus_register(sc->amr_cam_sim[chn], sc->amr_dev,chn); 189174186Sscottl mtx_unlock(&sc->amr_list_lock); 190174186Sscottl if (error) { 191174186Sscottl device_printf(sc->amr_dev, 192174186Sscottl "CAM XPT bus registration failed\n"); 193174186Sscottl return(ENXIO); 194174186Sscottl } 19565245Smsmith } 196174186Sscottl /* 197174186Sscottl * XXX we should scan the config and work out which devices are 198174186Sscottl * actually protected. 199174186Sscottl */ 200184573Sscottl sc->amr_cam_command = amr_cam_command; 201174186Sscottl return(0); 20265245Smsmith} 20365245Smsmith 20465245Smsmith/******************************************************************************** 20565245Smsmith * Disconnect ourselves from CAM 20665245Smsmith */ 207184573Sscottlstatic int 208184573Sscottlamr_cam_detach(device_t dev) 20965245Smsmith{ 210184573Sscottl struct amr_softc *sc; 211174186Sscottl int chn; 21265245Smsmith 213184573Sscottl sc = device_get_softc(dev); 214174186Sscottl mtx_lock(&sc->amr_list_lock); 215174186Sscottl for (chn = 0; chn < sc->amr_maxchan; chn++) { 216174186Sscottl /* 217174186Sscottl * If a sim was allocated for this channel, free it 218174186Sscottl */ 219174186Sscottl if (sc->amr_cam_sim[chn] != NULL) { 220174186Sscottl xpt_bus_deregister(cam_sim_path(sc->amr_cam_sim[chn])); 221174186Sscottl cam_sim_free(sc->amr_cam_sim[chn], FALSE); 222174186Sscottl } 22365245Smsmith } 224174186Sscottl mtx_unlock(&sc->amr_list_lock); 225139952Sdwhite 226174186Sscottl /* Now free the devq */ 227174186Sscottl if (sc->amr_cam_devq != NULL) 228174186Sscottl cam_simq_free(sc->amr_cam_devq); 229184573Sscottl 230184573Sscottl return (0); 23165245Smsmith} 23265245Smsmith 233174186Sscottl/*********************************************************************** 234174186Sscottl *********************************************************************** 235174186Sscottl CAM passthrough interface 236174186Sscottl *********************************************************************** 237174186Sscottl ***********************************************************************/ 23865245Smsmith 239174186Sscottl/*********************************************************************** 24065245Smsmith * Handle a request for action from CAM 24165245Smsmith */ 24265245Smsmithstatic void 24365245Smsmithamr_cam_action(struct cam_sim *sim, union ccb *ccb) 24465245Smsmith{ 245174186Sscottl struct amr_softc *sc = cam_sim_softc(sim); 24665245Smsmith 247174186Sscottl switch(ccb->ccb_h.func_code) { 24865245Smsmith 249174186Sscottl /* 250174186Sscottl * Perform SCSI I/O to a physical device. 251174186Sscottl */ 252174186Sscottl case XPT_SCSI_IO: 253174186Sscottl { 254174186Sscottl struct ccb_hdr *ccbh = &ccb->ccb_h; 255174186Sscottl struct ccb_scsiio *csio = &ccb->csio; 25665245Smsmith 257174186Sscottl /* Validate the CCB */ 258174186Sscottl ccbh->status = CAM_REQ_INPROG; 25965245Smsmith 260174186Sscottl /* check the CDB length */ 261174186Sscottl if (csio->cdb_len > AMR_MAX_EXTCDB_LEN) 262174544Sscottl ccbh->status = CAM_REQ_INVALID; 26365245Smsmith 264174186Sscottl if ((csio->cdb_len > AMR_MAX_CDB_LEN) && 265174186Sscottl (sc->support_ext_cdb == 0)) 266174544Sscottl ccbh->status = CAM_REQ_INVALID; 267174186Sscottl 268174186Sscottl /* check that the CDB pointer is not to a physical address */ 269174186Sscottl if ((ccbh->flags & CAM_CDB_POINTER) && 270174186Sscottl (ccbh->flags & CAM_CDB_PHYS)) 271174544Sscottl ccbh->status = CAM_REQ_INVALID; 272174186Sscottl /* 273174186Sscottl * if there is data transfer, it must be to/from a virtual 274174186Sscottl * address 275174186Sscottl */ 276174186Sscottl if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 277246713Skib if ((ccbh->flags & CAM_DATA_MASK) != CAM_DATA_VADDR) 278174186Sscottl /* we can't map it */ 279174544Sscottl ccbh->status = CAM_REQ_INVALID; 280174186Sscottl } 281174186Sscottl 282174186Sscottl /* 283174186Sscottl * If the command is to a LUN other than 0, fail it. 284174186Sscottl * This is probably incorrect, but during testing the 285174186Sscottl * firmware did not seem to respect the LUN field, and thus 286174186Sscottl * devices appear echoed. 287174186Sscottl */ 288174186Sscottl if (csio->ccb_h.target_lun != 0) 289174544Sscottl ccbh->status = CAM_DEV_NOT_THERE; 290106225Semoore 291174186Sscottl /* if we're happy with the request, queue it for attention */ 292174186Sscottl if (ccbh->status == CAM_REQ_INPROG) { 29365245Smsmith 294174186Sscottl /* save the channel number in the ccb */ 295174186Sscottl csio->ccb_h.sim_priv.entries[0].field= cam_sim_bus(sim); 296174186Sscottl 297174186Sscottl amr_enqueue_ccb(sc, ccb); 298174186Sscottl amr_startio(sc); 299174186Sscottl return; 300174186Sscottl } 301174186Sscottl break; 30265245Smsmith } 30365245Smsmith 304174186Sscottl case XPT_CALC_GEOMETRY: 305174186Sscottl { 306174186Sscottl cam_calc_geometry(&ccb->ccg, /*extended*/1); 307174186Sscottl break; 308174186Sscottl } 309174186Sscottl 31065245Smsmith /* 311174186Sscottl * Return path stats. Some of these should probably be amended. 31265245Smsmith */ 313174186Sscottl case XPT_PATH_INQ: 314174186Sscottl { 315174186Sscottl struct ccb_pathinq *cpi = & ccb->cpi; 31665245Smsmith 317174186Sscottl debug(3, "XPT_PATH_INQ"); 318174186Sscottl cpi->version_num = 1; /* XXX??? */ 319174186Sscottl cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 320174186Sscottl cpi->target_sprt = 0; 321174186Sscottl cpi->hba_misc = PIM_NOBUSRESET|PIM_SEQSCAN; 322174186Sscottl cpi->hba_eng_cnt = 0; 323174186Sscottl cpi->max_target = AMR_MAX_TARGETS; 324174186Sscottl cpi->max_lun = 0 /* AMR_MAX_LUNS*/; 325174186Sscottl cpi->initiator_id = 7; /* XXX variable? */ 326174186Sscottl strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 327174186Sscottl strncpy(cpi->hba_vid, "LSI", HBA_IDLEN); 328174186Sscottl strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 329174186Sscottl cpi->unit_number = cam_sim_unit(sim); 330174186Sscottl cpi->bus_id = cam_sim_bus(sim); 331174186Sscottl cpi->base_transfer_speed = 132 * 1024; /* XXX */ 332174186Sscottl cpi->transport = XPORT_SPI; 333174186Sscottl cpi->transport_version = 2; 334174186Sscottl cpi->protocol = PROTO_SCSI; 335174186Sscottl cpi->protocol_version = SCSI_REV_2; 336174186Sscottl cpi->ccb_h.status = CAM_REQ_CMP; 33765245Smsmith 338174186Sscottl break; 33965245Smsmith } 34065245Smsmith 341174186Sscottl case XPT_RESET_BUS: 342174186Sscottl { 343174186Sscottl struct ccb_pathinq *cpi = & ccb->cpi; 34465245Smsmith 345174186Sscottl debug(1, "XPT_RESET_BUS"); 346174186Sscottl cpi->ccb_h.status = CAM_REQ_CMP; 347174186Sscottl break; 348174186Sscottl } 34965245Smsmith 350174186Sscottl case XPT_RESET_DEV: 351174186Sscottl { 352174186Sscottl debug(1, "XPT_RESET_DEV"); 353174186Sscottl ccb->ccb_h.status = CAM_REQ_CMP; 354174186Sscottl break; 355174186Sscottl } 35665245Smsmith 357174186Sscottl case XPT_GET_TRAN_SETTINGS: 358174186Sscottl { 359174186Sscottl struct ccb_trans_settings *cts = &(ccb->cts); 36065245Smsmith 361174186Sscottl debug(3, "XPT_GET_TRAN_SETTINGS"); 362105419Semoore 363174186Sscottl struct ccb_trans_settings_scsi *scsi; 364174186Sscottl struct ccb_trans_settings_spi *spi; 365105419Semoore 366174186Sscottl scsi = &cts->proto_specific.scsi; 367174186Sscottl spi = &cts->xport_specific.spi; 368105419Semoore 369174186Sscottl cts->protocol = PROTO_SCSI; 370174186Sscottl cts->protocol_version = SCSI_REV_2; 371174186Sscottl cts->transport = XPORT_SPI; 372174186Sscottl cts->transport_version = 2; 373105419Semoore 374174186Sscottl if (cts->type == CTS_TYPE_USER_SETTINGS) { 375174186Sscottl ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 376174186Sscottl break; 377174186Sscottl } 378105419Semoore 379174186Sscottl spi->flags = CTS_SPI_FLAGS_DISC_ENB; 380174186Sscottl spi->bus_width = MSG_EXT_WDTR_BUS_32_BIT; 381174186Sscottl spi->sync_period = 6; /* 40MHz how wide is this bus? */ 382174186Sscottl spi->sync_offset = 31; /* How to extract this from board? */ 383105419Semoore 384174186Sscottl spi->valid = CTS_SPI_VALID_SYNC_RATE 385174186Sscottl | CTS_SPI_VALID_SYNC_OFFSET 386174186Sscottl | CTS_SPI_VALID_BUS_WIDTH 387174186Sscottl | CTS_SPI_VALID_DISC; 388174186Sscottl scsi->valid = CTS_SCSI_VALID_TQ; 389174186Sscottl ccb->ccb_h.status = CAM_REQ_CMP; 390174186Sscottl break; 391174186Sscottl } 392163816Smjacob 393174186Sscottl case XPT_SET_TRAN_SETTINGS: 394174186Sscottl debug(3, "XPT_SET_TRAN_SETTINGS"); 395163816Smjacob ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 396163816Smjacob break; 397163816Smjacob 398163816Smjacob 399174186Sscottl /* 400174186Sscottl * Reject anything else as unsupported. 401174186Sscottl */ 402174186Sscottl default: 403174186Sscottl /* we can't do this */ 404174186Sscottl ccb->ccb_h.status = CAM_REQ_INVALID; 405174186Sscottl break; 406174186Sscottl } 407105419Semoore 408174186Sscottl mtx_assert(&sc->amr_list_lock, MA_OWNED); 409174186Sscottl xpt_done(ccb); 41065245Smsmith} 41165245Smsmith 412174186Sscottl/*********************************************************************** 413174186Sscottl * Convert a CAM CCB off the top of the CCB queue to a passthrough SCSI 414174186Sscottl * command. 41565245Smsmith */ 416184573Sscottlstatic int 41765245Smsmithamr_cam_command(struct amr_softc *sc, struct amr_command **acp) 41865245Smsmith{ 419174186Sscottl struct amr_command *ac; 420174186Sscottl struct amr_passthrough *ap; 421174186Sscottl struct amr_ext_passthrough *aep; 422174186Sscottl struct ccb_scsiio *csio; 423174186Sscottl int bus, target, error; 42465245Smsmith 425174186Sscottl error = 0; 426174186Sscottl ac = NULL; 427174186Sscottl ap = NULL; 428174186Sscottl aep = NULL; 42965245Smsmith 430174186Sscottl /* check to see if there is a ccb for us to work with */ 431174186Sscottl if ((csio = (struct ccb_scsiio *)amr_dequeue_ccb(sc)) == NULL) 43265245Smsmith goto out; 43365245Smsmith 434174186Sscottl /* get bus/target, XXX validate against protected devices? */ 435174186Sscottl bus = csio->ccb_h.sim_priv.entries[0].field; 436174186Sscottl target = csio->ccb_h.target_id; 43765245Smsmith 438174186Sscottl /* 439174186Sscottl * Build a passthrough command. 440174186Sscottl */ 44165245Smsmith 442174544Sscottl /* construct command */ 443174544Sscottl if ((ac = amr_alloccmd(sc)) == NULL) { 444174544Sscottl error = ENOMEM; 445174544Sscottl goto out; 446174544Sscottl } 447174544Sscottl 448174186Sscottl /* construct passthrough */ 449174186Sscottl if (sc->support_ext_cdb ) { 450174544Sscottl aep = &ac->ac_ccb->ccb_epthru; 451174186Sscottl aep->ap_timeout = 2; 452174186Sscottl aep->ap_ars = 1; 453174186Sscottl aep->ap_request_sense_length = 14; 454174186Sscottl aep->ap_islogical = 0; 455174186Sscottl aep->ap_channel = bus; 456174186Sscottl aep->ap_scsi_id = target; 457174186Sscottl aep->ap_logical_drive_no = csio->ccb_h.target_lun; 458174186Sscottl aep->ap_cdb_length = csio->cdb_len; 459174186Sscottl aep->ap_data_transfer_length = csio->dxfer_len; 460174186Sscottl if (csio->ccb_h.flags & CAM_CDB_POINTER) { 461174186Sscottl bcopy(csio->cdb_io.cdb_ptr, aep->ap_cdb, csio->cdb_len); 462174186Sscottl } else { 463174186Sscottl bcopy(csio->cdb_io.cdb_bytes, aep->ap_cdb, 464174186Sscottl csio->cdb_len); 465174186Sscottl } 466174186Sscottl /* 467174186Sscottl * we leave the data s/g list and s/g count to the map routine 468174186Sscottl * later 469174186Sscottl */ 470106225Semoore 471174186Sscottl debug(2, " COMMAND %x/%d+%d to %d:%d:%d", aep->ap_cdb[0], 472174186Sscottl aep->ap_cdb_length, csio->dxfer_len, aep->ap_channel, 473174186Sscottl aep->ap_scsi_id, aep->ap_logical_drive_no); 474106225Semoore 475174186Sscottl } else { 476174544Sscottl ap = &ac->ac_ccb->ccb_pthru; 477174186Sscottl ap->ap_timeout = 0; 478174186Sscottl ap->ap_ars = 1; 479174186Sscottl ap->ap_request_sense_length = 14; 480174186Sscottl ap->ap_islogical = 0; 481174186Sscottl ap->ap_channel = bus; 482174186Sscottl ap->ap_scsi_id = target; 483174186Sscottl ap->ap_logical_drive_no = csio->ccb_h.target_lun; 484174186Sscottl ap->ap_cdb_length = csio->cdb_len; 485174186Sscottl ap->ap_data_transfer_length = csio->dxfer_len; 486174186Sscottl if (csio->ccb_h.flags & CAM_CDB_POINTER) { 487174186Sscottl bcopy(csio->cdb_io.cdb_ptr, ap->ap_cdb, csio->cdb_len); 488174186Sscottl } else { 489174186Sscottl bcopy(csio->cdb_io.cdb_bytes, ap->ap_cdb, 490174186Sscottl csio->cdb_len); 491174186Sscottl } 492174186Sscottl /* 493174186Sscottl * we leave the data s/g list and s/g count to the map routine 494174186Sscottl * later 495174186Sscottl */ 496174186Sscottl 497174186Sscottl debug(2, " COMMAND %x/%d+%d to %d:%d:%d", ap->ap_cdb[0], 498174186Sscottl ap->ap_cdb_length, csio->dxfer_len, ap->ap_channel, 499174186Sscottl ap->ap_scsi_id, ap->ap_logical_drive_no); 500174186Sscottl } 501174186Sscottl 502174544Sscottl ac->ac_flags |= AMR_CMD_CCB; 503106225Semoore 504174544Sscottl ac->ac_data = csio->data_ptr; 505174544Sscottl ac->ac_length = csio->dxfer_len; 506174186Sscottl if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 507174544Sscottl ac->ac_flags |= AMR_CMD_DATAIN; 508174186Sscottl if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 509174544Sscottl ac->ac_flags |= AMR_CMD_DATAOUT; 51065245Smsmith 511174186Sscottl ac->ac_private = csio; 512174193Sscottl ac->ac_complete = amr_cam_complete; 513174186Sscottl if ( sc->support_ext_cdb ) { 514174186Sscottl ac->ac_mailbox.mb_command = AMR_CMD_EXTPASS; 515174186Sscottl } else { 516174186Sscottl ac->ac_mailbox.mb_command = AMR_CMD_PASS; 517174186Sscottl } 51865245Smsmith 51965245Smsmithout: 520174186Sscottl if (error != 0) { 521174186Sscottl if (ac != NULL) 522174186Sscottl amr_releasecmd(ac); 523174186Sscottl if (csio != NULL) 524174186Sscottl /* put it back and try again later */ 525174186Sscottl amr_requeue_ccb(sc, (union ccb *)csio); 526174186Sscottl } 527174186Sscottl *acp = ac; 528174186Sscottl return(error); 52965245Smsmith} 53065245Smsmith 531174186Sscottl/*********************************************************************** 53265245Smsmith * Check for interrupt status 53365245Smsmith */ 53465245Smsmithstatic void 53565245Smsmithamr_cam_poll(struct cam_sim *sim) 53665245Smsmith{ 537140340Sscottl 538174186Sscottl amr_done(cam_sim_softc(sim)); 53965245Smsmith} 54065245Smsmith 541174186Sscottl /********************************************************************** 54265245Smsmith * Handle completion of a command submitted via CAM. 54365245Smsmith */ 54465245Smsmithstatic void 54565245Smsmithamr_cam_complete(struct amr_command *ac) 54665245Smsmith{ 547174186Sscottl struct amr_passthrough *ap; 548174193Sscottl struct amr_ext_passthrough *aep; 549174186Sscottl struct ccb_scsiio *csio; 550174186Sscottl struct scsi_inquiry_data *inq; 551174193Sscottl int scsi_status, cdb0; 55265245Smsmith 553174544Sscottl ap = &ac->ac_ccb->ccb_pthru; 554174544Sscottl aep = &ac->ac_ccb->ccb_epthru; 555174186Sscottl csio = (struct ccb_scsiio *)ac->ac_private; 556174186Sscottl inq = (struct scsi_inquiry_data *)csio->data_ptr; 55765245Smsmith 558174544Sscottl if (ac->ac_mailbox.mb_command == AMR_CMD_EXTPASS) 559174544Sscottl scsi_status = aep->ap_scsi_status; 560174544Sscottl else 561174193Sscottl scsi_status = ap->ap_scsi_status; 562174186Sscottl debug(1, "status 0x%x AP scsi_status 0x%x", ac->ac_status, 563174193Sscottl scsi_status); 564105419Semoore 565174544Sscottl /* Make sure the status is sane */ 566174544Sscottl if ((ac->ac_status != AMR_STATUS_SUCCESS) && (scsi_status == 0)) { 567174186Sscottl csio->ccb_h.status = CAM_REQ_CMP_ERR; 568174186Sscottl goto out; 569174186Sscottl } 570106225Semoore 571174186Sscottl /* 572174186Sscottl * Hide disks from CAM so that they're not picked up and treated as 573174186Sscottl * 'normal' disks. 574174186Sscottl * 575174186Sscottl * If the configuration provides a mechanism to mark a disk a "not 576174186Sscottl * managed", we could add handling for that to allow disks to be 577174186Sscottl * selectively visible. 578174186Sscottl */ 579106225Semoore 580174186Sscottl /* handle passthrough SCSI status */ 581174193Sscottl switch(scsi_status) { 582174186Sscottl case 0: /* completed OK */ 583174544Sscottl if (ac->ac_mailbox.mb_command == AMR_CMD_EXTPASS) 584174544Sscottl cdb0 = aep->ap_cdb[0]; 585174544Sscottl else 586174193Sscottl cdb0 = ap->ap_cdb[0]; 587174193Sscottl if ((cdb0 == INQUIRY) && (SID_TYPE(inq) == T_DIRECT)) 588174186Sscottl inq->device = (inq->device & 0xe0) | T_NODEVICE; 589174186Sscottl csio->ccb_h.status = CAM_REQ_CMP; 590174186Sscottl break; 591106225Semoore 592174186Sscottl case 0x02: 593174186Sscottl csio->ccb_h.status = CAM_SCSI_STATUS_ERROR; 594174186Sscottl csio->scsi_status = SCSI_STATUS_CHECK_COND; 595174544Sscottl if (ac->ac_mailbox.mb_command == AMR_CMD_EXTPASS) 596174544Sscottl bcopy(aep->ap_request_sense_area, &csio->sense_data, 597174193Sscottl AMR_MAX_REQ_SENSE_LEN); 598174193Sscottl else 599174544Sscottl bcopy(ap->ap_request_sense_area, &csio->sense_data, 600174193Sscottl AMR_MAX_REQ_SENSE_LEN); 601174186Sscottl csio->sense_len = AMR_MAX_REQ_SENSE_LEN; 602174186Sscottl csio->ccb_h.status |= CAM_AUTOSNS_VALID; 603174186Sscottl break; 604106225Semoore 605174186Sscottl case 0x08: 606174186Sscottl csio->ccb_h.status = CAM_SCSI_BUSY; 607174186Sscottl break; 608106225Semoore 609174186Sscottl case 0xf0: 610174186Sscottl case 0xf4: 611174193Sscottl default: 612174544Sscottl /* 613174544Sscottl * Non-zero LUNs are already filtered, so there's no need 614174544Sscottl * to return CAM_DEV_NOT_THERE. 615174544Sscottl */ 616174544Sscottl csio->ccb_h.status = CAM_SEL_TIMEOUT; 617174186Sscottl break; 618174186Sscottl } 619174186Sscottl 620174030Sscottlout: 621174186Sscottl if ((csio->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) 622174186Sscottl debug(2, "%*D\n", imin(csio->dxfer_len, 16), csio->data_ptr, 623174186Sscottl " "); 624174193Sscottl 625174544Sscottl mtx_lock(&ac->ac_sc->amr_list_lock); 626174186Sscottl xpt_done((union ccb *)csio); 627174186Sscottl amr_releasecmd(ac); 628174193Sscottl mtx_unlock(&ac->ac_sc->amr_list_lock); 629106225Semoore} 630