umass.c revision 244491
1184610Salfred#include <sys/cdefs.h> 2184610Salfred__FBSDID("$FreeBSD: head/sys/dev/usb/storage/umass.c 244491 2012-12-20 17:14:10Z hselasky $"); 3184610Salfred 4184610Salfred/*- 5184610Salfred * Copyright (c) 1999 MAEKAWA Masahide <bishop@rr.iij4u.or.jp>, 6189002Sed * Nick Hibma <n_hibma@FreeBSD.org> 7184610Salfred * All rights reserved. 8184610Salfred * 9184610Salfred * Redistribution and use in source and binary forms, with or without 10184610Salfred * modification, are permitted provided that the following conditions 11184610Salfred * are met: 12184610Salfred * 1. Redistributions of source code must retain the above copyright 13184610Salfred * notice, this list of conditions and the following disclaimer. 14184610Salfred * 2. Redistributions in binary form must reproduce the above copyright 15184610Salfred * notice, this list of conditions and the following disclaimer in the 16184610Salfred * documentation and/or other materials provided with the distribution. 17184610Salfred * 18184610Salfred * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19184610Salfred * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20184610Salfred * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21184610Salfred * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22184610Salfred * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23184610Salfred * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24184610Salfred * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25184610Salfred * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26184610Salfred * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27184610Salfred * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28184610Salfred * SUCH DAMAGE. 29184610Salfred * 30184610Salfred * $FreeBSD: head/sys/dev/usb/storage/umass.c 244491 2012-12-20 17:14:10Z hselasky $ 31184610Salfred * $NetBSD: umass.c,v 1.28 2000/04/02 23:46:53 augustss Exp $ 32184610Salfred */ 33184610Salfred 34184610Salfred/* Also already merged from NetBSD: 35184610Salfred * $NetBSD: umass.c,v 1.67 2001/11/25 19:05:22 augustss Exp $ 36184610Salfred * $NetBSD: umass.c,v 1.90 2002/11/04 19:17:33 pooka Exp $ 37184610Salfred * $NetBSD: umass.c,v 1.108 2003/11/07 17:03:25 wiz Exp $ 38184610Salfred * $NetBSD: umass.c,v 1.109 2003/12/04 13:57:31 keihan Exp $ 39184610Salfred */ 40184610Salfred 41184610Salfred/* 42184610Salfred * Universal Serial Bus Mass Storage Class specs: 43184610Salfred * http://www.usb.org/developers/devclass_docs/usb_msc_overview_1.2.pdf 44184610Salfred * http://www.usb.org/developers/devclass_docs/usbmassbulk_10.pdf 45184610Salfred * http://www.usb.org/developers/devclass_docs/usb_msc_cbi_1.1.pdf 46184610Salfred * http://www.usb.org/developers/devclass_docs/usbmass-ufi10.pdf 47184610Salfred */ 48184610Salfred 49184610Salfred/* 50184610Salfred * Ported to NetBSD by Lennart Augustsson <augustss@NetBSD.org>. 51184610Salfred * Parts of the code written by Jason R. Thorpe <thorpej@shagadelic.org>. 52184610Salfred */ 53184610Salfred 54184610Salfred/* 55184610Salfred * The driver handles 3 Wire Protocols 56184610Salfred * - Command/Bulk/Interrupt (CBI) 57184610Salfred * - Command/Bulk/Interrupt with Command Completion Interrupt (CBI with CCI) 58184610Salfred * - Mass Storage Bulk-Only (BBB) 59184610Salfred * (BBB refers Bulk/Bulk/Bulk for Command/Data/Status phases) 60184610Salfred * 61184610Salfred * Over these wire protocols it handles the following command protocols 62184610Salfred * - SCSI 63184610Salfred * - UFI (floppy command set) 64184610Salfred * - 8070i (ATAPI) 65184610Salfred * 66184610Salfred * UFI and 8070i (ATAPI) are transformed versions of the SCSI command set. The 67184610Salfred * sc->sc_transform method is used to convert the commands into the appropriate 68184610Salfred * format (if at all necessary). For example, UFI requires all commands to be 69184610Salfred * 12 bytes in length amongst other things. 70184610Salfred * 71184610Salfred * The source code below is marked and can be split into a number of pieces 72184610Salfred * (in this order): 73184610Salfred * 74184610Salfred * - probe/attach/detach 75184610Salfred * - generic transfer routines 76184610Salfred * - BBB 77184610Salfred * - CBI 78184610Salfred * - CBI_I (in addition to functions from CBI) 79184610Salfred * - CAM (Common Access Method) 80184610Salfred * - SCSI 81184610Salfred * - UFI 82184610Salfred * - 8070i (ATAPI) 83184610Salfred * 84184610Salfred * The protocols are implemented using a state machine, for the transfers as 85184610Salfred * well as for the resets. The state machine is contained in umass_t_*_callback. 86184610Salfred * The state machine is started through either umass_command_start() or 87184610Salfred * umass_reset(). 88184610Salfred * 89184610Salfred * The reason for doing this is a) CAM performs a lot better this way and b) it 90184610Salfred * avoids using tsleep from interrupt context (for example after a failed 91184610Salfred * transfer). 92184610Salfred */ 93184610Salfred 94184610Salfred/* 95184610Salfred * The SCSI related part of this driver has been derived from the 96189002Sed * dev/ppbus/vpo.c driver, by Nicolas Souchu (nsouch@FreeBSD.org). 97184610Salfred * 98184610Salfred * The CAM layer uses so called actions which are messages sent to the host 99184610Salfred * adapter for completion. The actions come in through umass_cam_action. The 100184610Salfred * appropriate block of routines is called depending on the transport protocol 101184610Salfred * in use. When the transfer has finished, these routines call 102184610Salfred * umass_cam_cb again to complete the CAM command. 103184610Salfred */ 104184610Salfred 105194677Sthompsa#include <sys/stdint.h> 106194677Sthompsa#include <sys/stddef.h> 107194677Sthompsa#include <sys/param.h> 108194677Sthompsa#include <sys/queue.h> 109194677Sthompsa#include <sys/types.h> 110194677Sthompsa#include <sys/systm.h> 111194677Sthompsa#include <sys/kernel.h> 112194677Sthompsa#include <sys/bus.h> 113194677Sthompsa#include <sys/module.h> 114194677Sthompsa#include <sys/lock.h> 115194677Sthompsa#include <sys/mutex.h> 116194677Sthompsa#include <sys/condvar.h> 117194677Sthompsa#include <sys/sysctl.h> 118194677Sthompsa#include <sys/sx.h> 119194677Sthompsa#include <sys/unistd.h> 120194677Sthompsa#include <sys/callout.h> 121194677Sthompsa#include <sys/malloc.h> 122194677Sthompsa#include <sys/priv.h> 123194677Sthompsa 124194677Sthompsa#include <dev/usb/usb.h> 125194677Sthompsa#include <dev/usb/usbdi.h> 126212136Sthompsa#include <dev/usb/usbdi_util.h> 127188746Sthompsa#include "usbdevs.h" 128184610Salfred 129200886Sthompsa#include <dev/usb/quirk/usb_quirk.h> 130200886Sthompsa 131184610Salfred#include <cam/cam.h> 132184610Salfred#include <cam/cam_ccb.h> 133184610Salfred#include <cam/cam_sim.h> 134184610Salfred#include <cam/cam_xpt_sim.h> 135184610Salfred#include <cam/scsi/scsi_all.h> 136184610Salfred#include <cam/scsi/scsi_da.h> 137184610Salfred 138184610Salfred#include <cam/cam_periph.h> 139184610Salfred 140207077Sthompsa#ifdef USB_DEBUG 141184610Salfred#define DIF(m, x) \ 142184610Salfred do { \ 143184610Salfred if (umass_debug & (m)) { x ; } \ 144184610Salfred } while (0) 145184610Salfred 146184610Salfred#define DPRINTF(sc, m, fmt, ...) \ 147184610Salfred do { \ 148184610Salfred if (umass_debug & (m)) { \ 149184610Salfred printf("%s:%s: " fmt, \ 150184610Salfred (sc) ? (const char *)(sc)->sc_name : \ 151184610Salfred (const char *)"umassX", \ 152184610Salfred __FUNCTION__ ,## __VA_ARGS__); \ 153184610Salfred } \ 154184610Salfred } while (0) 155184610Salfred 156184610Salfred#define UDMASS_GEN 0x00010000 /* general */ 157184610Salfred#define UDMASS_SCSI 0x00020000 /* scsi */ 158184610Salfred#define UDMASS_UFI 0x00040000 /* ufi command set */ 159184610Salfred#define UDMASS_ATAPI 0x00080000 /* 8070i command set */ 160184610Salfred#define UDMASS_CMD (UDMASS_SCSI|UDMASS_UFI|UDMASS_ATAPI) 161184610Salfred#define UDMASS_USB 0x00100000 /* USB general */ 162184610Salfred#define UDMASS_BBB 0x00200000 /* Bulk-Only transfers */ 163184610Salfred#define UDMASS_CBI 0x00400000 /* CBI transfers */ 164184610Salfred#define UDMASS_WIRE (UDMASS_BBB|UDMASS_CBI) 165184610Salfred#define UDMASS_ALL 0xffff0000 /* all of the above */ 166244491Shselaskystatic int umass_debug; 167244491Shselaskystatic int umass_throttle; 168184610Salfred 169227309Sedstatic SYSCTL_NODE(_hw_usb, OID_AUTO, umass, CTLFLAG_RW, 0, "USB umass"); 170242126ShselaskySYSCTL_INT(_hw_usb_umass, OID_AUTO, debug, CTLFLAG_RW | CTLFLAG_TUN, 171184610Salfred &umass_debug, 0, "umass debug level"); 172199675SthompsaTUNABLE_INT("hw.usb.umass.debug", &umass_debug); 173244491ShselaskySYSCTL_INT(_hw_usb_umass, OID_AUTO, throttle, CTLFLAG_RW | CTLFLAG_TUN, 174244491Shselasky &umass_throttle, 0, "Forced delay between commands in milliseconds"); 175244491ShselaskyTUNABLE_INT("hw.usb.umass.throttle", &umass_throttle); 176184610Salfred#else 177184610Salfred#define DIF(...) do { } while (0) 178184610Salfred#define DPRINTF(...) do { } while (0) 179184610Salfred#endif 180184610Salfred 181184610Salfred#define UMASS_BULK_SIZE (1 << 17) 182184610Salfred#define UMASS_CBI_DIAGNOSTIC_CMDLEN 12 /* bytes */ 183184610Salfred#define UMASS_MAX_CMDLEN MAX(12, CAM_MAX_CDBLEN) /* bytes */ 184184610Salfred 185184610Salfred/* USB transfer definitions */ 186184610Salfred 187184610Salfred#define UMASS_T_BBB_RESET1 0 /* Bulk-Only */ 188184610Salfred#define UMASS_T_BBB_RESET2 1 189184610Salfred#define UMASS_T_BBB_RESET3 2 190184610Salfred#define UMASS_T_BBB_COMMAND 3 191184610Salfred#define UMASS_T_BBB_DATA_READ 4 192184610Salfred#define UMASS_T_BBB_DATA_RD_CS 5 193184610Salfred#define UMASS_T_BBB_DATA_WRITE 6 194184610Salfred#define UMASS_T_BBB_DATA_WR_CS 7 195184610Salfred#define UMASS_T_BBB_STATUS 8 196184610Salfred#define UMASS_T_BBB_MAX 9 197184610Salfred 198184610Salfred#define UMASS_T_CBI_RESET1 0 /* CBI */ 199184610Salfred#define UMASS_T_CBI_RESET2 1 200184610Salfred#define UMASS_T_CBI_RESET3 2 201184610Salfred#define UMASS_T_CBI_COMMAND 3 202184610Salfred#define UMASS_T_CBI_DATA_READ 4 203184610Salfred#define UMASS_T_CBI_DATA_RD_CS 5 204184610Salfred#define UMASS_T_CBI_DATA_WRITE 6 205184610Salfred#define UMASS_T_CBI_DATA_WR_CS 7 206184610Salfred#define UMASS_T_CBI_STATUS 8 207184610Salfred#define UMASS_T_CBI_RESET4 9 208184610Salfred#define UMASS_T_CBI_MAX 10 209184610Salfred 210184610Salfred#define UMASS_T_MAX MAX(UMASS_T_CBI_MAX, UMASS_T_BBB_MAX) 211184610Salfred 212184610Salfred/* Generic definitions */ 213184610Salfred 214184610Salfred/* Direction for transfer */ 215184610Salfred#define DIR_NONE 0 216184610Salfred#define DIR_IN 1 217184610Salfred#define DIR_OUT 2 218184610Salfred 219184610Salfred/* device name */ 220184610Salfred#define DEVNAME "umass" 221184610Salfred#define DEVNAME_SIM "umass-sim" 222184610Salfred 223184610Salfred/* Approximate maximum transfer speeds (assumes 33% overhead). */ 224184610Salfred#define UMASS_FULL_TRANSFER_SPEED 1000 225184610Salfred#define UMASS_HIGH_TRANSFER_SPEED 40000 226213439Shselasky#define UMASS_SUPER_TRANSFER_SPEED 400000 227184610Salfred#define UMASS_FLOPPY_TRANSFER_SPEED 20 228184610Salfred 229184610Salfred#define UMASS_TIMEOUT 5000 /* ms */ 230184610Salfred 231184610Salfred/* CAM specific definitions */ 232184610Salfred 233184610Salfred#define UMASS_SCSIID_MAX 1 /* maximum number of drives expected */ 234184610Salfred#define UMASS_SCSIID_HOST UMASS_SCSIID_MAX 235184610Salfred 236184610Salfred/* Bulk-Only features */ 237184610Salfred 238184610Salfred#define UR_BBB_RESET 0xff /* Bulk-Only reset */ 239184610Salfred#define UR_BBB_GET_MAX_LUN 0xfe /* Get maximum lun */ 240184610Salfred 241184610Salfred/* Command Block Wrapper */ 242184610Salfredtypedef struct { 243184610Salfred uDWord dCBWSignature; 244184610Salfred#define CBWSIGNATURE 0x43425355 245184610Salfred uDWord dCBWTag; 246184610Salfred uDWord dCBWDataTransferLength; 247184610Salfred uByte bCBWFlags; 248184610Salfred#define CBWFLAGS_OUT 0x00 249184610Salfred#define CBWFLAGS_IN 0x80 250184610Salfred uByte bCBWLUN; 251184610Salfred uByte bCDBLength; 252184610Salfred#define CBWCDBLENGTH 16 253184610Salfred uByte CBWCDB[CBWCDBLENGTH]; 254184610Salfred} __packed umass_bbb_cbw_t; 255184610Salfred 256184610Salfred#define UMASS_BBB_CBW_SIZE 31 257184610Salfred 258184610Salfred/* Command Status Wrapper */ 259184610Salfredtypedef struct { 260184610Salfred uDWord dCSWSignature; 261184610Salfred#define CSWSIGNATURE 0x53425355 262184610Salfred#define CSWSIGNATURE_IMAGINATION_DBX1 0x43425355 263184610Salfred#define CSWSIGNATURE_OLYMPUS_C1 0x55425355 264184610Salfred uDWord dCSWTag; 265184610Salfred uDWord dCSWDataResidue; 266184610Salfred uByte bCSWStatus; 267184610Salfred#define CSWSTATUS_GOOD 0x0 268184610Salfred#define CSWSTATUS_FAILED 0x1 269184610Salfred#define CSWSTATUS_PHASE 0x2 270184610Salfred} __packed umass_bbb_csw_t; 271184610Salfred 272184610Salfred#define UMASS_BBB_CSW_SIZE 13 273184610Salfred 274184610Salfred/* CBI features */ 275184610Salfred 276184610Salfred#define UR_CBI_ADSC 0x00 277184610Salfred 278184610Salfredtypedef union { 279184610Salfred struct { 280184610Salfred uint8_t type; 281184610Salfred#define IDB_TYPE_CCI 0x00 282184610Salfred uint8_t value; 283184610Salfred#define IDB_VALUE_PASS 0x00 284184610Salfred#define IDB_VALUE_FAIL 0x01 285184610Salfred#define IDB_VALUE_PHASE 0x02 286184610Salfred#define IDB_VALUE_PERSISTENT 0x03 287184610Salfred#define IDB_VALUE_STATUS_MASK 0x03 288184610Salfred } __packed common; 289184610Salfred 290184610Salfred struct { 291184610Salfred uint8_t asc; 292184610Salfred uint8_t ascq; 293184610Salfred } __packed ufi; 294184610Salfred} __packed umass_cbi_sbl_t; 295184610Salfred 296184610Salfredstruct umass_softc; /* see below */ 297184610Salfred 298184610Salfredtypedef void (umass_callback_t)(struct umass_softc *sc, union ccb *ccb, 299184610Salfred uint32_t residue, uint8_t status); 300184610Salfred 301184610Salfred#define STATUS_CMD_OK 0 /* everything ok */ 302184610Salfred#define STATUS_CMD_UNKNOWN 1 /* will have to fetch sense */ 303184610Salfred#define STATUS_CMD_FAILED 2 /* transfer was ok, command failed */ 304184610Salfred#define STATUS_WIRE_FAILED 3 /* couldn't even get command across */ 305184610Salfred 306184610Salfredtypedef uint8_t (umass_transform_t)(struct umass_softc *sc, uint8_t *cmd_ptr, 307184610Salfred uint8_t cmd_len); 308184610Salfred 309200886Sthompsa/* Wire and command protocol */ 310184610Salfred#define UMASS_PROTO_BBB 0x0001 /* USB wire protocol */ 311184610Salfred#define UMASS_PROTO_CBI 0x0002 312184610Salfred#define UMASS_PROTO_CBI_I 0x0004 313200886Sthompsa#define UMASS_PROTO_WIRE 0x00ff /* USB wire protocol mask */ 314200886Sthompsa#define UMASS_PROTO_SCSI 0x0100 /* command protocol */ 315184610Salfred#define UMASS_PROTO_ATAPI 0x0200 316184610Salfred#define UMASS_PROTO_UFI 0x0400 317184610Salfred#define UMASS_PROTO_RBC 0x0800 318184610Salfred#define UMASS_PROTO_COMMAND 0xff00 /* command protocol mask */ 319184610Salfred 320200886Sthompsa/* Device specific quirks */ 321184610Salfred#define NO_QUIRKS 0x0000 322184610Salfred /* 323184610Salfred * The drive does not support Test Unit Ready. Convert to Start Unit 324184610Salfred */ 325184610Salfred#define NO_TEST_UNIT_READY 0x0001 326184610Salfred /* 327184610Salfred * The drive does not reset the Unit Attention state after REQUEST 328184610Salfred * SENSE has been sent. The INQUIRY command does not reset the UA 329184610Salfred * either, and so CAM runs in circles trying to retrieve the initial 330184610Salfred * INQUIRY data. 331184610Salfred */ 332184610Salfred#define RS_NO_CLEAR_UA 0x0002 333184610Salfred /* The drive does not support START STOP. */ 334184610Salfred#define NO_START_STOP 0x0004 335184610Salfred /* Don't ask for full inquiry data (255b). */ 336184610Salfred#define FORCE_SHORT_INQUIRY 0x0008 337184610Salfred /* Needs to be initialised the Shuttle way */ 338184610Salfred#define SHUTTLE_INIT 0x0010 339184610Salfred /* Drive needs to be switched to alternate iface 1 */ 340184610Salfred#define ALT_IFACE_1 0x0020 341184610Salfred /* Drive does not do 1Mb/s, but just floppy speeds (20kb/s) */ 342184610Salfred#define FLOPPY_SPEED 0x0040 343184610Salfred /* The device can't count and gets the residue of transfers wrong */ 344184610Salfred#define IGNORE_RESIDUE 0x0080 345184610Salfred /* No GetMaxLun call */ 346184610Salfred#define NO_GETMAXLUN 0x0100 347184610Salfred /* The device uses a weird CSWSIGNATURE. */ 348184610Salfred#define WRONG_CSWSIG 0x0200 349184610Salfred /* Device cannot handle INQUIRY so fake a generic response */ 350184610Salfred#define NO_INQUIRY 0x0400 351184610Salfred /* Device cannot handle INQUIRY EVPD, return CHECK CONDITION */ 352184610Salfred#define NO_INQUIRY_EVPD 0x0800 353184610Salfred /* Pad all RBC requests to 12 bytes. */ 354184610Salfred#define RBC_PAD_TO_12 0x1000 355184610Salfred /* 356184610Salfred * Device reports number of sectors from READ_CAPACITY, not max 357184610Salfred * sector number. 358184610Salfred */ 359184610Salfred#define READ_CAPACITY_OFFBY1 0x2000 360184610Salfred /* 361184610Salfred * Device cannot handle a SCSI synchronize cache command. Normally 362184610Salfred * this quirk would be handled in the cam layer, but for IDE bridges 363184610Salfred * we need to associate the quirk with the bridge and not the 364184610Salfred * underlying disk device. This is handled by faking a success 365184610Salfred * result. 366184610Salfred */ 367184610Salfred#define NO_SYNCHRONIZE_CACHE 0x4000 368242628Smarcel /* Device does not support 'PREVENT/ALLOW MEDIUM REMOVAL'. */ 369242628Smarcel#define NO_PREVENT_ALLOW 0x8000 370184610Salfred 371184610Salfredstruct umass_softc { 372184610Salfred 373184610Salfred struct scsi_sense cam_scsi_sense; 374184610Salfred struct scsi_test_unit_ready cam_scsi_test_unit_ready; 375184610Salfred struct mtx sc_mtx; 376184610Salfred struct { 377184610Salfred uint8_t *data_ptr; 378184610Salfred union ccb *ccb; 379184610Salfred umass_callback_t *callback; 380184610Salfred 381184610Salfred uint32_t data_len; /* bytes */ 382184610Salfred uint32_t data_rem; /* bytes */ 383184610Salfred uint32_t data_timeout; /* ms */ 384184610Salfred uint32_t actlen; /* bytes */ 385184610Salfred 386184610Salfred uint8_t cmd_data[UMASS_MAX_CMDLEN]; 387184610Salfred uint8_t cmd_len; /* bytes */ 388184610Salfred uint8_t dir; 389184610Salfred uint8_t lun; 390184610Salfred } sc_transfer; 391184610Salfred 392184610Salfred /* Bulk specific variables for transfers in progress */ 393184610Salfred umass_bbb_cbw_t cbw; /* command block wrapper */ 394184610Salfred umass_bbb_csw_t csw; /* command status wrapper */ 395184610Salfred 396184610Salfred /* CBI specific variables for transfers in progress */ 397184610Salfred umass_cbi_sbl_t sbl; /* status block */ 398184610Salfred 399184610Salfred device_t sc_dev; 400192984Sthompsa struct usb_device *sc_udev; 401184610Salfred struct cam_sim *sc_sim; /* SCSI Interface Module */ 402192984Sthompsa struct usb_xfer *sc_xfer[UMASS_T_MAX]; 403184610Salfred 404184610Salfred /* 405184610Salfred * The command transform function is used to convert the SCSI 406184610Salfred * commands into their derivatives, like UFI, ATAPI, and friends. 407184610Salfred */ 408184610Salfred umass_transform_t *sc_transform; 409184610Salfred 410184610Salfred uint32_t sc_unit; 411200886Sthompsa uint32_t sc_quirks; /* they got it almost right */ 412200886Sthompsa uint32_t sc_proto; /* wire and cmd protocol */ 413184610Salfred 414184610Salfred uint8_t sc_name[16]; 415184610Salfred uint8_t sc_iface_no; /* interface number */ 416184610Salfred uint8_t sc_maxlun; /* maximum LUN number, inclusive */ 417184610Salfred uint8_t sc_last_xfer_index; 418184610Salfred uint8_t sc_status_try; 419184610Salfred}; 420184610Salfred 421184610Salfredstruct umass_probe_proto { 422200886Sthompsa uint32_t quirks; 423200886Sthompsa uint32_t proto; 424184610Salfred 425200886Sthompsa int error; 426184610Salfred}; 427184610Salfred 428184610Salfred/* prototypes */ 429184610Salfred 430184610Salfredstatic device_probe_t umass_probe; 431184610Salfredstatic device_attach_t umass_attach; 432184610Salfredstatic device_detach_t umass_detach; 433184610Salfred 434193045Sthompsastatic usb_callback_t umass_tr_error; 435193045Sthompsastatic usb_callback_t umass_t_bbb_reset1_callback; 436193045Sthompsastatic usb_callback_t umass_t_bbb_reset2_callback; 437193045Sthompsastatic usb_callback_t umass_t_bbb_reset3_callback; 438193045Sthompsastatic usb_callback_t umass_t_bbb_command_callback; 439193045Sthompsastatic usb_callback_t umass_t_bbb_data_read_callback; 440193045Sthompsastatic usb_callback_t umass_t_bbb_data_rd_cs_callback; 441193045Sthompsastatic usb_callback_t umass_t_bbb_data_write_callback; 442193045Sthompsastatic usb_callback_t umass_t_bbb_data_wr_cs_callback; 443193045Sthompsastatic usb_callback_t umass_t_bbb_status_callback; 444193045Sthompsastatic usb_callback_t umass_t_cbi_reset1_callback; 445193045Sthompsastatic usb_callback_t umass_t_cbi_reset2_callback; 446193045Sthompsastatic usb_callback_t umass_t_cbi_reset3_callback; 447193045Sthompsastatic usb_callback_t umass_t_cbi_reset4_callback; 448193045Sthompsastatic usb_callback_t umass_t_cbi_command_callback; 449193045Sthompsastatic usb_callback_t umass_t_cbi_data_read_callback; 450193045Sthompsastatic usb_callback_t umass_t_cbi_data_rd_cs_callback; 451193045Sthompsastatic usb_callback_t umass_t_cbi_data_write_callback; 452193045Sthompsastatic usb_callback_t umass_t_cbi_data_wr_cs_callback; 453193045Sthompsastatic usb_callback_t umass_t_cbi_status_callback; 454184610Salfred 455185948Sthompsastatic void umass_cancel_ccb(struct umass_softc *); 456185948Sthompsastatic void umass_init_shuttle(struct umass_softc *); 457185948Sthompsastatic void umass_reset(struct umass_softc *); 458192984Sthompsastatic void umass_t_bbb_data_clear_stall_callback(struct usb_xfer *, 459194677Sthompsa uint8_t, uint8_t, usb_error_t); 460185948Sthompsastatic void umass_command_start(struct umass_softc *, uint8_t, void *, 461185948Sthompsa uint32_t, uint32_t, umass_callback_t *, union ccb *); 462185948Sthompsastatic uint8_t umass_bbb_get_max_lun(struct umass_softc *); 463185948Sthompsastatic void umass_cbi_start_status(struct umass_softc *); 464192984Sthompsastatic void umass_t_cbi_data_clear_stall_callback(struct usb_xfer *, 465194677Sthompsa uint8_t, uint8_t, usb_error_t); 466185948Sthompsastatic int umass_cam_attach_sim(struct umass_softc *); 467185948Sthompsastatic void umass_cam_attach(struct umass_softc *); 468185948Sthompsastatic void umass_cam_detach_sim(struct umass_softc *); 469185948Sthompsastatic void umass_cam_action(struct cam_sim *, union ccb *); 470185948Sthompsastatic void umass_cam_poll(struct cam_sim *); 471185948Sthompsastatic void umass_cam_cb(struct umass_softc *, union ccb *, uint32_t, 472185948Sthompsa uint8_t); 473185948Sthompsastatic void umass_cam_sense_cb(struct umass_softc *, union ccb *, uint32_t, 474185948Sthompsa uint8_t); 475185948Sthompsastatic void umass_cam_quirk_cb(struct umass_softc *, union ccb *, uint32_t, 476185948Sthompsa uint8_t); 477185948Sthompsastatic uint8_t umass_scsi_transform(struct umass_softc *, uint8_t *, uint8_t); 478185948Sthompsastatic uint8_t umass_rbc_transform(struct umass_softc *, uint8_t *, uint8_t); 479185948Sthompsastatic uint8_t umass_ufi_transform(struct umass_softc *, uint8_t *, uint8_t); 480185948Sthompsastatic uint8_t umass_atapi_transform(struct umass_softc *, uint8_t *, 481185948Sthompsa uint8_t); 482185948Sthompsastatic uint8_t umass_no_transform(struct umass_softc *, uint8_t *, uint8_t); 483185948Sthompsastatic uint8_t umass_std_transform(struct umass_softc *, union ccb *, uint8_t 484185948Sthompsa *, uint8_t); 485184610Salfred 486207077Sthompsa#ifdef USB_DEBUG 487185948Sthompsastatic void umass_bbb_dump_cbw(struct umass_softc *, umass_bbb_cbw_t *); 488185948Sthompsastatic void umass_bbb_dump_csw(struct umass_softc *, umass_bbb_csw_t *); 489185948Sthompsastatic void umass_cbi_dump_cmd(struct umass_softc *, void *, uint8_t); 490185948Sthompsastatic void umass_dump_buffer(struct umass_softc *, uint8_t *, uint32_t, 491185948Sthompsa uint32_t); 492184610Salfred#endif 493184610Salfred 494194099Sthompsastatic struct usb_config umass_bbb_config[UMASS_T_BBB_MAX] = { 495184610Salfred 496184610Salfred [UMASS_T_BBB_RESET1] = { 497184610Salfred .type = UE_CONTROL, 498184610Salfred .endpoint = 0x00, /* Control pipe */ 499184610Salfred .direction = UE_DIR_ANY, 500192984Sthompsa .bufsize = sizeof(struct usb_device_request), 501190734Sthompsa .callback = &umass_t_bbb_reset1_callback, 502190734Sthompsa .timeout = 5000, /* 5 seconds */ 503190734Sthompsa .interval = 500, /* 500 milliseconds */ 504184610Salfred }, 505184610Salfred 506184610Salfred [UMASS_T_BBB_RESET2] = { 507184610Salfred .type = UE_CONTROL, 508184610Salfred .endpoint = 0x00, /* Control pipe */ 509184610Salfred .direction = UE_DIR_ANY, 510192984Sthompsa .bufsize = sizeof(struct usb_device_request), 511190734Sthompsa .callback = &umass_t_bbb_reset2_callback, 512190734Sthompsa .timeout = 5000, /* 5 seconds */ 513190734Sthompsa .interval = 50, /* 50 milliseconds */ 514184610Salfred }, 515184610Salfred 516184610Salfred [UMASS_T_BBB_RESET3] = { 517184610Salfred .type = UE_CONTROL, 518184610Salfred .endpoint = 0x00, /* Control pipe */ 519184610Salfred .direction = UE_DIR_ANY, 520192984Sthompsa .bufsize = sizeof(struct usb_device_request), 521190734Sthompsa .callback = &umass_t_bbb_reset3_callback, 522190734Sthompsa .timeout = 5000, /* 5 seconds */ 523190734Sthompsa .interval = 50, /* 50 milliseconds */ 524184610Salfred }, 525184610Salfred 526184610Salfred [UMASS_T_BBB_COMMAND] = { 527184610Salfred .type = UE_BULK, 528184610Salfred .endpoint = UE_ADDR_ANY, 529184610Salfred .direction = UE_DIR_OUT, 530190734Sthompsa .bufsize = sizeof(umass_bbb_cbw_t), 531190734Sthompsa .callback = &umass_t_bbb_command_callback, 532190734Sthompsa .timeout = 5000, /* 5 seconds */ 533184610Salfred }, 534184610Salfred 535184610Salfred [UMASS_T_BBB_DATA_READ] = { 536184610Salfred .type = UE_BULK, 537184610Salfred .endpoint = UE_ADDR_ANY, 538184610Salfred .direction = UE_DIR_IN, 539190734Sthompsa .bufsize = UMASS_BULK_SIZE, 540232361Shselasky .flags = {.proxy_buffer = 1,.short_xfer_ok = 1,.ext_buffer=1,}, 541190734Sthompsa .callback = &umass_t_bbb_data_read_callback, 542190734Sthompsa .timeout = 0, /* overwritten later */ 543184610Salfred }, 544184610Salfred 545184610Salfred [UMASS_T_BBB_DATA_RD_CS] = { 546184610Salfred .type = UE_CONTROL, 547184610Salfred .endpoint = 0x00, /* Control pipe */ 548184610Salfred .direction = UE_DIR_ANY, 549192984Sthompsa .bufsize = sizeof(struct usb_device_request), 550190734Sthompsa .callback = &umass_t_bbb_data_rd_cs_callback, 551190734Sthompsa .timeout = 5000, /* 5 seconds */ 552184610Salfred }, 553184610Salfred 554184610Salfred [UMASS_T_BBB_DATA_WRITE] = { 555184610Salfred .type = UE_BULK, 556184610Salfred .endpoint = UE_ADDR_ANY, 557184610Salfred .direction = UE_DIR_OUT, 558190734Sthompsa .bufsize = UMASS_BULK_SIZE, 559232361Shselasky .flags = {.proxy_buffer = 1,.short_xfer_ok = 1,.ext_buffer=1,}, 560190734Sthompsa .callback = &umass_t_bbb_data_write_callback, 561190734Sthompsa .timeout = 0, /* overwritten later */ 562184610Salfred }, 563184610Salfred 564184610Salfred [UMASS_T_BBB_DATA_WR_CS] = { 565184610Salfred .type = UE_CONTROL, 566184610Salfred .endpoint = 0x00, /* Control pipe */ 567184610Salfred .direction = UE_DIR_ANY, 568192984Sthompsa .bufsize = sizeof(struct usb_device_request), 569190734Sthompsa .callback = &umass_t_bbb_data_wr_cs_callback, 570190734Sthompsa .timeout = 5000, /* 5 seconds */ 571184610Salfred }, 572184610Salfred 573184610Salfred [UMASS_T_BBB_STATUS] = { 574184610Salfred .type = UE_BULK, 575184610Salfred .endpoint = UE_ADDR_ANY, 576184610Salfred .direction = UE_DIR_IN, 577190734Sthompsa .bufsize = sizeof(umass_bbb_csw_t), 578190734Sthompsa .flags = {.short_xfer_ok = 1,}, 579190734Sthompsa .callback = &umass_t_bbb_status_callback, 580190734Sthompsa .timeout = 5000, /* ms */ 581184610Salfred }, 582184610Salfred}; 583184610Salfred 584194099Sthompsastatic struct usb_config umass_cbi_config[UMASS_T_CBI_MAX] = { 585184610Salfred 586184610Salfred [UMASS_T_CBI_RESET1] = { 587184610Salfred .type = UE_CONTROL, 588184610Salfred .endpoint = 0x00, /* Control pipe */ 589184610Salfred .direction = UE_DIR_ANY, 590192984Sthompsa .bufsize = (sizeof(struct usb_device_request) + 591184610Salfred UMASS_CBI_DIAGNOSTIC_CMDLEN), 592190734Sthompsa .callback = &umass_t_cbi_reset1_callback, 593190734Sthompsa .timeout = 5000, /* 5 seconds */ 594190734Sthompsa .interval = 500, /* 500 milliseconds */ 595184610Salfred }, 596184610Salfred 597184610Salfred [UMASS_T_CBI_RESET2] = { 598184610Salfred .type = UE_CONTROL, 599184610Salfred .endpoint = 0x00, /* Control pipe */ 600184610Salfred .direction = UE_DIR_ANY, 601192984Sthompsa .bufsize = sizeof(struct usb_device_request), 602190734Sthompsa .callback = &umass_t_cbi_reset2_callback, 603190734Sthompsa .timeout = 5000, /* 5 seconds */ 604190734Sthompsa .interval = 50, /* 50 milliseconds */ 605184610Salfred }, 606184610Salfred 607184610Salfred [UMASS_T_CBI_RESET3] = { 608184610Salfred .type = UE_CONTROL, 609184610Salfred .endpoint = 0x00, /* Control pipe */ 610184610Salfred .direction = UE_DIR_ANY, 611192984Sthompsa .bufsize = sizeof(struct usb_device_request), 612190734Sthompsa .callback = &umass_t_cbi_reset3_callback, 613190734Sthompsa .timeout = 5000, /* 5 seconds */ 614190734Sthompsa .interval = 50, /* 50 milliseconds */ 615184610Salfred }, 616184610Salfred 617184610Salfred [UMASS_T_CBI_COMMAND] = { 618184610Salfred .type = UE_CONTROL, 619184610Salfred .endpoint = 0x00, /* Control pipe */ 620184610Salfred .direction = UE_DIR_ANY, 621192984Sthompsa .bufsize = (sizeof(struct usb_device_request) + 622184610Salfred UMASS_MAX_CMDLEN), 623190734Sthompsa .callback = &umass_t_cbi_command_callback, 624190734Sthompsa .timeout = 5000, /* 5 seconds */ 625184610Salfred }, 626184610Salfred 627184610Salfred [UMASS_T_CBI_DATA_READ] = { 628184610Salfred .type = UE_BULK, 629184610Salfred .endpoint = UE_ADDR_ANY, 630184610Salfred .direction = UE_DIR_IN, 631190734Sthompsa .bufsize = UMASS_BULK_SIZE, 632232361Shselasky .flags = {.proxy_buffer = 1,.short_xfer_ok = 1,.ext_buffer=1,}, 633190734Sthompsa .callback = &umass_t_cbi_data_read_callback, 634190734Sthompsa .timeout = 0, /* overwritten later */ 635184610Salfred }, 636184610Salfred 637184610Salfred [UMASS_T_CBI_DATA_RD_CS] = { 638184610Salfred .type = UE_CONTROL, 639184610Salfred .endpoint = 0x00, /* Control pipe */ 640184610Salfred .direction = UE_DIR_ANY, 641192984Sthompsa .bufsize = sizeof(struct usb_device_request), 642190734Sthompsa .callback = &umass_t_cbi_data_rd_cs_callback, 643190734Sthompsa .timeout = 5000, /* 5 seconds */ 644184610Salfred }, 645184610Salfred 646184610Salfred [UMASS_T_CBI_DATA_WRITE] = { 647184610Salfred .type = UE_BULK, 648184610Salfred .endpoint = UE_ADDR_ANY, 649184610Salfred .direction = UE_DIR_OUT, 650190734Sthompsa .bufsize = UMASS_BULK_SIZE, 651232361Shselasky .flags = {.proxy_buffer = 1,.short_xfer_ok = 1,.ext_buffer=1,}, 652190734Sthompsa .callback = &umass_t_cbi_data_write_callback, 653190734Sthompsa .timeout = 0, /* overwritten later */ 654184610Salfred }, 655184610Salfred 656184610Salfred [UMASS_T_CBI_DATA_WR_CS] = { 657184610Salfred .type = UE_CONTROL, 658184610Salfred .endpoint = 0x00, /* Control pipe */ 659184610Salfred .direction = UE_DIR_ANY, 660192984Sthompsa .bufsize = sizeof(struct usb_device_request), 661190734Sthompsa .callback = &umass_t_cbi_data_wr_cs_callback, 662190734Sthompsa .timeout = 5000, /* 5 seconds */ 663184610Salfred }, 664184610Salfred 665184610Salfred [UMASS_T_CBI_STATUS] = { 666184610Salfred .type = UE_INTERRUPT, 667184610Salfred .endpoint = UE_ADDR_ANY, 668184610Salfred .direction = UE_DIR_IN, 669203145Sthompsa .flags = {.short_xfer_ok = 1,.no_pipe_ok = 1,}, 670190734Sthompsa .bufsize = sizeof(umass_cbi_sbl_t), 671190734Sthompsa .callback = &umass_t_cbi_status_callback, 672190734Sthompsa .timeout = 5000, /* ms */ 673184610Salfred }, 674184610Salfred 675184610Salfred [UMASS_T_CBI_RESET4] = { 676184610Salfred .type = UE_CONTROL, 677184610Salfred .endpoint = 0x00, /* Control pipe */ 678184610Salfred .direction = UE_DIR_ANY, 679192984Sthompsa .bufsize = sizeof(struct usb_device_request), 680190734Sthompsa .callback = &umass_t_cbi_reset4_callback, 681190734Sthompsa .timeout = 5000, /* ms */ 682184610Salfred }, 683184610Salfred}; 684184610Salfred 685184610Salfred/* If device cannot return valid inquiry data, fake it */ 686184610Salfredstatic const uint8_t fake_inq_data[SHORT_INQUIRY_LENGTH] = { 687184610Salfred 0, /* removable */ 0x80, SCSI_REV_2, SCSI_REV_2, 688184610Salfred /* additional_length */ 31, 0, 0, 0 689184610Salfred}; 690184610Salfred 691184610Salfred#define UFI_COMMAND_LENGTH 12 /* UFI commands are always 12 bytes */ 692184610Salfred#define ATAPI_COMMAND_LENGTH 12 /* ATAPI commands are always 12 bytes */ 693184610Salfred 694184610Salfredstatic devclass_t umass_devclass; 695184610Salfred 696184610Salfredstatic device_method_t umass_methods[] = { 697184610Salfred /* Device interface */ 698184610Salfred DEVMETHOD(device_probe, umass_probe), 699184610Salfred DEVMETHOD(device_attach, umass_attach), 700184610Salfred DEVMETHOD(device_detach, umass_detach), 701184610Salfred {0, 0} 702184610Salfred}; 703184610Salfred 704184610Salfredstatic driver_t umass_driver = { 705184610Salfred .name = "umass", 706184610Salfred .methods = umass_methods, 707184610Salfred .size = sizeof(struct umass_softc), 708184610Salfred}; 709184610Salfred 710189275SthompsaDRIVER_MODULE(umass, uhub, umass_driver, umass_devclass, NULL, 0); 711188942SthompsaMODULE_DEPEND(umass, usb, 1, 1, 1); 712184610SalfredMODULE_DEPEND(umass, cam, 1, 1, 1); 713212122SthompsaMODULE_VERSION(umass, 1); 714184610Salfred 715184610Salfred/* 716184610Salfred * USB device probe/attach/detach 717184610Salfred */ 718184610Salfred 719223486Shselaskystatic const STRUCT_USB_HOST_ID __used umass_devs[] = { 720223486Shselasky /* generic mass storage class */ 721223486Shselasky {USB_IFACE_CLASS(UICLASS_MASS),}, 722223486Shselasky}; 723223486Shselasky 724192052Sthompsastatic uint16_t 725192984Sthompsaumass_get_proto(struct usb_interface *iface) 726192052Sthompsa{ 727192984Sthompsa struct usb_interface_descriptor *id; 728192052Sthompsa uint16_t retval; 729192052Sthompsa 730192052Sthompsa retval = 0; 731192052Sthompsa 732192052Sthompsa /* Check for a standards compliant device */ 733194228Sthompsa id = usbd_get_interface_descriptor(iface); 734192052Sthompsa if ((id == NULL) || 735192052Sthompsa (id->bInterfaceClass != UICLASS_MASS)) { 736192052Sthompsa goto done; 737192052Sthompsa } 738192052Sthompsa switch (id->bInterfaceSubClass) { 739192052Sthompsa case UISUBCLASS_SCSI: 740192052Sthompsa retval |= UMASS_PROTO_SCSI; 741192052Sthompsa break; 742192052Sthompsa case UISUBCLASS_UFI: 743192052Sthompsa retval |= UMASS_PROTO_UFI; 744192052Sthompsa break; 745192052Sthompsa case UISUBCLASS_RBC: 746192052Sthompsa retval |= UMASS_PROTO_RBC; 747192052Sthompsa break; 748192052Sthompsa case UISUBCLASS_SFF8020I: 749192052Sthompsa case UISUBCLASS_SFF8070I: 750192052Sthompsa retval |= UMASS_PROTO_ATAPI; 751192052Sthompsa break; 752192052Sthompsa default: 753192052Sthompsa goto done; 754192052Sthompsa } 755192052Sthompsa 756192052Sthompsa switch (id->bInterfaceProtocol) { 757192052Sthompsa case UIPROTO_MASS_CBI: 758192052Sthompsa retval |= UMASS_PROTO_CBI; 759192052Sthompsa break; 760192052Sthompsa case UIPROTO_MASS_CBI_I: 761192052Sthompsa retval |= UMASS_PROTO_CBI_I; 762192052Sthompsa break; 763192052Sthompsa case UIPROTO_MASS_BBB_OLD: 764192052Sthompsa case UIPROTO_MASS_BBB: 765192052Sthompsa retval |= UMASS_PROTO_BBB; 766192052Sthompsa break; 767192052Sthompsa default: 768192052Sthompsa goto done; 769192052Sthompsa } 770192052Sthompsadone: 771192052Sthompsa return (retval); 772192052Sthompsa} 773192052Sthompsa 774184610Salfred/* 775200886Sthompsa * Match the device we are seeing with the devices supported. 776184610Salfred */ 777184610Salfredstatic struct umass_probe_proto 778192984Sthompsaumass_probe_proto(device_t dev, struct usb_attach_arg *uaa) 779184610Salfred{ 780184610Salfred struct umass_probe_proto ret; 781200886Sthompsa uint32_t quirks = NO_QUIRKS; 782200886Sthompsa uint32_t proto = umass_get_proto(uaa->iface); 783184610Salfred 784192052Sthompsa memset(&ret, 0, sizeof(ret)); 785222051Savg ret.error = BUS_PROBE_GENERIC; 786184610Salfred 787200886Sthompsa /* Search for protocol enforcement */ 788184610Salfred 789200886Sthompsa if (usb_test_quirk(uaa, UQ_MSC_FORCE_WIRE_BBB)) { 790200886Sthompsa proto &= ~UMASS_PROTO_WIRE; 791200886Sthompsa proto |= UMASS_PROTO_BBB; 792200886Sthompsa } else if (usb_test_quirk(uaa, UQ_MSC_FORCE_WIRE_CBI)) { 793200886Sthompsa proto &= ~UMASS_PROTO_WIRE; 794200886Sthompsa proto |= UMASS_PROTO_CBI; 795200886Sthompsa } else if (usb_test_quirk(uaa, UQ_MSC_FORCE_WIRE_CBI_I)) { 796200886Sthompsa proto &= ~UMASS_PROTO_WIRE; 797200886Sthompsa proto |= UMASS_PROTO_CBI_I; 798200886Sthompsa } 799184610Salfred 800200886Sthompsa if (usb_test_quirk(uaa, UQ_MSC_FORCE_PROTO_SCSI)) { 801200886Sthompsa proto &= ~UMASS_PROTO_COMMAND; 802200886Sthompsa proto |= UMASS_PROTO_SCSI; 803200886Sthompsa } else if (usb_test_quirk(uaa, UQ_MSC_FORCE_PROTO_ATAPI)) { 804200886Sthompsa proto &= ~UMASS_PROTO_COMMAND; 805200886Sthompsa proto |= UMASS_PROTO_ATAPI; 806200886Sthompsa } else if (usb_test_quirk(uaa, UQ_MSC_FORCE_PROTO_UFI)) { 807200886Sthompsa proto &= ~UMASS_PROTO_COMMAND; 808200886Sthompsa proto |= UMASS_PROTO_UFI; 809200886Sthompsa } else if (usb_test_quirk(uaa, UQ_MSC_FORCE_PROTO_RBC)) { 810200886Sthompsa proto &= ~UMASS_PROTO_COMMAND; 811200886Sthompsa proto |= UMASS_PROTO_RBC; 812200886Sthompsa } 813200886Sthompsa 814200886Sthompsa /* Check if the protocol is invalid */ 815200886Sthompsa 816200886Sthompsa if ((proto & UMASS_PROTO_COMMAND) == 0) { 817200886Sthompsa ret.error = ENXIO; 818184610Salfred goto done; 819184610Salfred } 820200886Sthompsa 821200886Sthompsa if ((proto & UMASS_PROTO_WIRE) == 0) { 822200886Sthompsa ret.error = ENXIO; 823200886Sthompsa goto done; 824184610Salfred } 825184610Salfred 826200886Sthompsa /* Search for quirks */ 827200886Sthompsa 828200886Sthompsa if (usb_test_quirk(uaa, UQ_MSC_NO_TEST_UNIT_READY)) 829200886Sthompsa quirks |= NO_TEST_UNIT_READY; 830200886Sthompsa if (usb_test_quirk(uaa, UQ_MSC_NO_RS_CLEAR_UA)) 831200886Sthompsa quirks |= RS_NO_CLEAR_UA; 832200886Sthompsa if (usb_test_quirk(uaa, UQ_MSC_NO_START_STOP)) 833200886Sthompsa quirks |= NO_START_STOP; 834200886Sthompsa if (usb_test_quirk(uaa, UQ_MSC_NO_GETMAXLUN)) 835200886Sthompsa quirks |= NO_GETMAXLUN; 836200886Sthompsa if (usb_test_quirk(uaa, UQ_MSC_NO_INQUIRY)) 837200886Sthompsa quirks |= NO_INQUIRY; 838200886Sthompsa if (usb_test_quirk(uaa, UQ_MSC_NO_INQUIRY_EVPD)) 839200886Sthompsa quirks |= NO_INQUIRY_EVPD; 840242628Smarcel if (usb_test_quirk(uaa, UQ_MSC_NO_PREVENT_ALLOW)) 841242628Smarcel quirks |= NO_PREVENT_ALLOW; 842200886Sthompsa if (usb_test_quirk(uaa, UQ_MSC_NO_SYNC_CACHE)) 843200886Sthompsa quirks |= NO_SYNCHRONIZE_CACHE; 844200886Sthompsa if (usb_test_quirk(uaa, UQ_MSC_SHUTTLE_INIT)) 845200886Sthompsa quirks |= SHUTTLE_INIT; 846200886Sthompsa if (usb_test_quirk(uaa, UQ_MSC_ALT_IFACE_1)) 847200886Sthompsa quirks |= ALT_IFACE_1; 848200886Sthompsa if (usb_test_quirk(uaa, UQ_MSC_FLOPPY_SPEED)) 849200886Sthompsa quirks |= FLOPPY_SPEED; 850200886Sthompsa if (usb_test_quirk(uaa, UQ_MSC_IGNORE_RESIDUE)) 851200886Sthompsa quirks |= IGNORE_RESIDUE; 852200886Sthompsa if (usb_test_quirk(uaa, UQ_MSC_WRONG_CSWSIG)) 853200886Sthompsa quirks |= WRONG_CSWSIG; 854200886Sthompsa if (usb_test_quirk(uaa, UQ_MSC_RBC_PAD_TO_12)) 855200886Sthompsa quirks |= RBC_PAD_TO_12; 856200886Sthompsa if (usb_test_quirk(uaa, UQ_MSC_READ_CAP_OFFBY1)) 857200886Sthompsa quirks |= READ_CAPACITY_OFFBY1; 858200886Sthompsa if (usb_test_quirk(uaa, UQ_MSC_FORCE_SHORT_INQ)) 859200886Sthompsa quirks |= FORCE_SHORT_INQUIRY; 860200886Sthompsa 861184610Salfreddone: 862200886Sthompsa ret.quirks = quirks; 863200886Sthompsa ret.proto = proto; 864184610Salfred return (ret); 865184610Salfred} 866184610Salfred 867184610Salfredstatic int 868184610Salfredumass_probe(device_t dev) 869184610Salfred{ 870192984Sthompsa struct usb_attach_arg *uaa = device_get_ivars(dev); 871184610Salfred struct umass_probe_proto temp; 872184610Salfred 873192499Sthompsa if (uaa->usb_mode != USB_MODE_HOST) { 874184610Salfred return (ENXIO); 875184610Salfred } 876184610Salfred temp = umass_probe_proto(dev, uaa); 877184610Salfred 878184610Salfred return (temp.error); 879184610Salfred} 880184610Salfred 881184610Salfredstatic int 882184610Salfredumass_attach(device_t dev) 883184610Salfred{ 884184610Salfred struct umass_softc *sc = device_get_softc(dev); 885192984Sthompsa struct usb_attach_arg *uaa = device_get_ivars(dev); 886184610Salfred struct umass_probe_proto temp = umass_probe_proto(dev, uaa); 887192984Sthompsa struct usb_interface_descriptor *id; 888244491Shselasky int err; 889184610Salfred 890184610Salfred /* 891227461Shselasky * NOTE: the softc struct is cleared in device_set_driver. 892184610Salfred * We can safely call umass_detach without specifically 893184610Salfred * initializing the struct. 894184610Salfred */ 895184610Salfred 896184610Salfred sc->sc_dev = dev; 897184610Salfred sc->sc_udev = uaa->device; 898184610Salfred sc->sc_proto = temp.proto; 899184610Salfred sc->sc_quirks = temp.quirks; 900184610Salfred sc->sc_unit = device_get_unit(dev); 901184610Salfred 902184610Salfred snprintf(sc->sc_name, sizeof(sc->sc_name), 903184610Salfred "%s", device_get_nameunit(dev)); 904184610Salfred 905194228Sthompsa device_set_usb_desc(dev); 906184610Salfred 907188415Sthompsa mtx_init(&sc->sc_mtx, device_get_nameunit(dev), 908188415Sthompsa NULL, MTX_DEF | MTX_RECURSE); 909188415Sthompsa 910184610Salfred /* get interface index */ 911184610Salfred 912194228Sthompsa id = usbd_get_interface_descriptor(uaa->iface); 913184610Salfred if (id == NULL) { 914184610Salfred device_printf(dev, "failed to get " 915184610Salfred "interface number\n"); 916184610Salfred goto detach; 917184610Salfred } 918184610Salfred sc->sc_iface_no = id->bInterfaceNumber; 919184610Salfred 920207077Sthompsa#ifdef USB_DEBUG 921184610Salfred device_printf(dev, " "); 922184610Salfred 923184610Salfred switch (sc->sc_proto & UMASS_PROTO_COMMAND) { 924184610Salfred case UMASS_PROTO_SCSI: 925184610Salfred printf("SCSI"); 926184610Salfred break; 927184610Salfred case UMASS_PROTO_ATAPI: 928184610Salfred printf("8070i (ATAPI)"); 929184610Salfred break; 930184610Salfred case UMASS_PROTO_UFI: 931184610Salfred printf("UFI"); 932184610Salfred break; 933184610Salfred case UMASS_PROTO_RBC: 934184610Salfred printf("RBC"); 935184610Salfred break; 936184610Salfred default: 937184610Salfred printf("(unknown 0x%02x)", 938184610Salfred sc->sc_proto & UMASS_PROTO_COMMAND); 939184610Salfred break; 940184610Salfred } 941184610Salfred 942184610Salfred printf(" over "); 943184610Salfred 944184610Salfred switch (sc->sc_proto & UMASS_PROTO_WIRE) { 945184610Salfred case UMASS_PROTO_BBB: 946184610Salfred printf("Bulk-Only"); 947184610Salfred break; 948184610Salfred case UMASS_PROTO_CBI: /* uses Comand/Bulk pipes */ 949184610Salfred printf("CBI"); 950184610Salfred break; 951184610Salfred case UMASS_PROTO_CBI_I: /* uses Comand/Bulk/Interrupt pipes */ 952184610Salfred printf("CBI with CCI"); 953184610Salfred break; 954184610Salfred default: 955184610Salfred printf("(unknown 0x%02x)", 956184610Salfred sc->sc_proto & UMASS_PROTO_WIRE); 957184610Salfred } 958184610Salfred 959184610Salfred printf("; quirks = 0x%04x\n", sc->sc_quirks); 960184610Salfred#endif 961184610Salfred 962184610Salfred if (sc->sc_quirks & ALT_IFACE_1) { 963194228Sthompsa err = usbd_set_alt_interface_index 964184610Salfred (uaa->device, uaa->info.bIfaceIndex, 1); 965184610Salfred 966184610Salfred if (err) { 967184610Salfred DPRINTF(sc, UDMASS_USB, "could not switch to " 968184610Salfred "Alt Interface 1\n"); 969184610Salfred goto detach; 970184610Salfred } 971184610Salfred } 972184610Salfred /* allocate all required USB transfers */ 973184610Salfred 974184610Salfred if (sc->sc_proto & UMASS_PROTO_BBB) { 975184610Salfred 976194228Sthompsa err = usbd_transfer_setup(uaa->device, 977184610Salfred &uaa->info.bIfaceIndex, sc->sc_xfer, umass_bbb_config, 978188415Sthompsa UMASS_T_BBB_MAX, sc, &sc->sc_mtx); 979184610Salfred 980184610Salfred /* skip reset first time */ 981184610Salfred sc->sc_last_xfer_index = UMASS_T_BBB_COMMAND; 982184610Salfred 983184610Salfred } else if (sc->sc_proto & (UMASS_PROTO_CBI | UMASS_PROTO_CBI_I)) { 984184610Salfred 985194228Sthompsa err = usbd_transfer_setup(uaa->device, 986184610Salfred &uaa->info.bIfaceIndex, sc->sc_xfer, umass_cbi_config, 987203145Sthompsa UMASS_T_CBI_MAX, sc, &sc->sc_mtx); 988184610Salfred 989184610Salfred /* skip reset first time */ 990184610Salfred sc->sc_last_xfer_index = UMASS_T_CBI_COMMAND; 991184610Salfred 992184610Salfred } else { 993184610Salfred err = USB_ERR_INVAL; 994184610Salfred } 995184610Salfred 996184610Salfred if (err) { 997184610Salfred device_printf(dev, "could not setup required " 998194228Sthompsa "transfers, %s\n", usbd_errstr(err)); 999184610Salfred goto detach; 1000184610Salfred } 1001244491Shselasky#ifdef USB_DEBUG 1002244491Shselasky if (umass_throttle > 0) { 1003244491Shselasky uint8_t x; 1004244491Shselasky int iv; 1005244491Shselasky 1006244491Shselasky iv = umass_throttle; 1007244491Shselasky 1008244491Shselasky if (iv < 1) 1009244491Shselasky iv = 1; 1010244491Shselasky else if (iv > 8000) 1011244491Shselasky iv = 8000; 1012244491Shselasky 1013244491Shselasky for (x = 0; x != UMASS_T_MAX; x++) { 1014244491Shselasky if (sc->sc_xfer[x] != NULL) 1015244491Shselasky usbd_xfer_set_interval(sc->sc_xfer[x], iv); 1016244491Shselasky } 1017244491Shselasky } 1018244491Shselasky#endif 1019184610Salfred sc->sc_transform = 1020184610Salfred (sc->sc_proto & UMASS_PROTO_SCSI) ? &umass_scsi_transform : 1021184610Salfred (sc->sc_proto & UMASS_PROTO_UFI) ? &umass_ufi_transform : 1022184610Salfred (sc->sc_proto & UMASS_PROTO_ATAPI) ? &umass_atapi_transform : 1023184610Salfred (sc->sc_proto & UMASS_PROTO_RBC) ? &umass_rbc_transform : 1024184610Salfred &umass_no_transform; 1025184610Salfred 1026184610Salfred /* from here onwards the device can be used. */ 1027184610Salfred 1028184610Salfred if (sc->sc_quirks & SHUTTLE_INIT) { 1029184610Salfred umass_init_shuttle(sc); 1030184610Salfred } 1031184610Salfred /* get the maximum LUN supported by the device */ 1032184610Salfred 1033184610Salfred if (((sc->sc_proto & UMASS_PROTO_WIRE) == UMASS_PROTO_BBB) && 1034184610Salfred !(sc->sc_quirks & NO_GETMAXLUN)) 1035184610Salfred sc->sc_maxlun = umass_bbb_get_max_lun(sc); 1036184610Salfred else 1037184610Salfred sc->sc_maxlun = 0; 1038184610Salfred 1039184610Salfred /* Prepare the SCSI command block */ 1040184610Salfred sc->cam_scsi_sense.opcode = REQUEST_SENSE; 1041184610Salfred sc->cam_scsi_test_unit_ready.opcode = TEST_UNIT_READY; 1042184610Salfred 1043184610Salfred /* register the SIM */ 1044184610Salfred err = umass_cam_attach_sim(sc); 1045184610Salfred if (err) { 1046184610Salfred goto detach; 1047184610Salfred } 1048184610Salfred /* scan the SIM */ 1049184610Salfred umass_cam_attach(sc); 1050184610Salfred 1051184610Salfred DPRINTF(sc, UDMASS_GEN, "Attach finished\n"); 1052184610Salfred 1053184610Salfred return (0); /* success */ 1054184610Salfred 1055184610Salfreddetach: 1056184610Salfred umass_detach(dev); 1057184610Salfred return (ENXIO); /* failure */ 1058184610Salfred} 1059184610Salfred 1060184610Salfredstatic int 1061184610Salfredumass_detach(device_t dev) 1062184610Salfred{ 1063184610Salfred struct umass_softc *sc = device_get_softc(dev); 1064184610Salfred 1065184610Salfred DPRINTF(sc, UDMASS_USB, "\n"); 1066184610Salfred 1067184610Salfred /* teardown our statemachine */ 1068184610Salfred 1069194228Sthompsa usbd_transfer_unsetup(sc->sc_xfer, UMASS_T_MAX); 1070184610Salfred 1071188415Sthompsa mtx_lock(&sc->sc_mtx); 1072232358Shselasky 1073232358Shselasky /* cancel any leftover CCB's */ 1074232358Shselasky 1075232358Shselasky umass_cancel_ccb(sc); 1076232358Shselasky 1077184610Salfred umass_cam_detach_sim(sc); 1078184610Salfred 1079188415Sthompsa mtx_unlock(&sc->sc_mtx); 1080232361Shselasky 1081199061Sthompsa mtx_destroy(&sc->sc_mtx); 1082184610Salfred 1083184610Salfred return (0); /* success */ 1084184610Salfred} 1085184610Salfred 1086184610Salfredstatic void 1087184610Salfredumass_init_shuttle(struct umass_softc *sc) 1088184610Salfred{ 1089192984Sthompsa struct usb_device_request req; 1090193045Sthompsa usb_error_t err; 1091184610Salfred uint8_t status[2] = {0, 0}; 1092184610Salfred 1093184610Salfred /* 1094184610Salfred * The Linux driver does this, but no one can tell us what the 1095184610Salfred * command does. 1096184610Salfred */ 1097184610Salfred req.bmRequestType = UT_READ_VENDOR_DEVICE; 1098184610Salfred req.bRequest = 1; /* XXX unknown command */ 1099184610Salfred USETW(req.wValue, 0); 1100184610Salfred req.wIndex[0] = sc->sc_iface_no; 1101184610Salfred req.wIndex[1] = 0; 1102184610Salfred USETW(req.wLength, sizeof(status)); 1103194228Sthompsa err = usbd_do_request(sc->sc_udev, NULL, &req, &status); 1104184610Salfred 1105184610Salfred DPRINTF(sc, UDMASS_GEN, "Shuttle init returned 0x%02x%02x\n", 1106184610Salfred status[0], status[1]); 1107184610Salfred} 1108184610Salfred 1109184610Salfred/* 1110184610Salfred * Generic functions to handle transfers 1111184610Salfred */ 1112184610Salfred 1113184610Salfredstatic void 1114184610Salfredumass_transfer_start(struct umass_softc *sc, uint8_t xfer_index) 1115184610Salfred{ 1116184610Salfred DPRINTF(sc, UDMASS_GEN, "transfer index = " 1117184610Salfred "%d\n", xfer_index); 1118184610Salfred 1119184610Salfred if (sc->sc_xfer[xfer_index]) { 1120184610Salfred sc->sc_last_xfer_index = xfer_index; 1121194228Sthompsa usbd_transfer_start(sc->sc_xfer[xfer_index]); 1122184610Salfred } else { 1123184610Salfred umass_cancel_ccb(sc); 1124184610Salfred } 1125184610Salfred} 1126184610Salfred 1127184610Salfredstatic void 1128184610Salfredumass_reset(struct umass_softc *sc) 1129184610Salfred{ 1130184610Salfred DPRINTF(sc, UDMASS_GEN, "resetting device\n"); 1131184610Salfred 1132184610Salfred /* 1133184610Salfred * stop the last transfer, if not already stopped: 1134184610Salfred */ 1135194228Sthompsa usbd_transfer_stop(sc->sc_xfer[sc->sc_last_xfer_index]); 1136184610Salfred umass_transfer_start(sc, 0); 1137184610Salfred} 1138184610Salfred 1139184610Salfredstatic void 1140184610Salfredumass_cancel_ccb(struct umass_softc *sc) 1141184610Salfred{ 1142184610Salfred union ccb *ccb; 1143184610Salfred 1144188415Sthompsa mtx_assert(&sc->sc_mtx, MA_OWNED); 1145184610Salfred 1146184610Salfred ccb = sc->sc_transfer.ccb; 1147184610Salfred sc->sc_transfer.ccb = NULL; 1148184610Salfred sc->sc_last_xfer_index = 0; 1149184610Salfred 1150184610Salfred if (ccb) { 1151184610Salfred (sc->sc_transfer.callback) 1152184610Salfred (sc, ccb, (sc->sc_transfer.data_len - 1153184610Salfred sc->sc_transfer.actlen), STATUS_WIRE_FAILED); 1154184610Salfred } 1155184610Salfred} 1156184610Salfred 1157184610Salfredstatic void 1158194677Sthompsaumass_tr_error(struct usb_xfer *xfer, usb_error_t error) 1159184610Salfred{ 1160194677Sthompsa struct umass_softc *sc = usbd_xfer_softc(xfer); 1161184610Salfred 1162194677Sthompsa if (error != USB_ERR_CANCELLED) { 1163184610Salfred 1164184610Salfred DPRINTF(sc, UDMASS_GEN, "transfer error, %s -> " 1165194677Sthompsa "reset\n", usbd_errstr(error)); 1166184610Salfred } 1167184610Salfred umass_cancel_ccb(sc); 1168184610Salfred} 1169184610Salfred 1170184610Salfred/* 1171184610Salfred * BBB protocol specific functions 1172184610Salfred */ 1173184610Salfred 1174184610Salfredstatic void 1175194677Sthompsaumass_t_bbb_reset1_callback(struct usb_xfer *xfer, usb_error_t error) 1176184610Salfred{ 1177194677Sthompsa struct umass_softc *sc = usbd_xfer_softc(xfer); 1178192984Sthompsa struct usb_device_request req; 1179194677Sthompsa struct usb_page_cache *pc; 1180184610Salfred 1181184610Salfred switch (USB_GET_STATE(xfer)) { 1182184610Salfred case USB_ST_TRANSFERRED: 1183184610Salfred umass_transfer_start(sc, UMASS_T_BBB_RESET2); 1184184610Salfred return; 1185184610Salfred 1186184610Salfred case USB_ST_SETUP: 1187184610Salfred /* 1188184610Salfred * Reset recovery (5.3.4 in Universal Serial Bus Mass Storage Class) 1189184610Salfred * 1190184610Salfred * For Reset Recovery the host shall issue in the following order: 1191184610Salfred * a) a Bulk-Only Mass Storage Reset 1192184610Salfred * b) a Clear Feature HALT to the Bulk-In endpoint 1193184610Salfred * c) a Clear Feature HALT to the Bulk-Out endpoint 1194184610Salfred * 1195184610Salfred * This is done in 3 steps, using 3 transfers: 1196184610Salfred * UMASS_T_BBB_RESET1 1197184610Salfred * UMASS_T_BBB_RESET2 1198184610Salfred * UMASS_T_BBB_RESET3 1199184610Salfred */ 1200184610Salfred 1201184610Salfred DPRINTF(sc, UDMASS_BBB, "BBB reset!\n"); 1202184610Salfred 1203184610Salfred req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1204184610Salfred req.bRequest = UR_BBB_RESET; /* bulk only reset */ 1205184610Salfred USETW(req.wValue, 0); 1206184610Salfred req.wIndex[0] = sc->sc_iface_no; 1207184610Salfred req.wIndex[1] = 0; 1208184610Salfred USETW(req.wLength, 0); 1209184610Salfred 1210194677Sthompsa pc = usbd_xfer_get_frame(xfer, 0); 1211194677Sthompsa usbd_copy_in(pc, 0, &req, sizeof(req)); 1212184610Salfred 1213194677Sthompsa usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 1214194677Sthompsa usbd_xfer_set_frames(xfer, 1); 1215194228Sthompsa usbd_transfer_submit(xfer); 1216184610Salfred return; 1217184610Salfred 1218184610Salfred default: /* Error */ 1219194677Sthompsa umass_tr_error(xfer, error); 1220184610Salfred return; 1221184610Salfred } 1222184610Salfred} 1223184610Salfred 1224184610Salfredstatic void 1225194677Sthompsaumass_t_bbb_reset2_callback(struct usb_xfer *xfer, usb_error_t error) 1226184610Salfred{ 1227184610Salfred umass_t_bbb_data_clear_stall_callback(xfer, UMASS_T_BBB_RESET3, 1228194677Sthompsa UMASS_T_BBB_DATA_READ, error); 1229184610Salfred} 1230184610Salfred 1231184610Salfredstatic void 1232194677Sthompsaumass_t_bbb_reset3_callback(struct usb_xfer *xfer, usb_error_t error) 1233184610Salfred{ 1234184610Salfred umass_t_bbb_data_clear_stall_callback(xfer, UMASS_T_BBB_COMMAND, 1235194677Sthompsa UMASS_T_BBB_DATA_WRITE, error); 1236184610Salfred} 1237184610Salfred 1238184610Salfredstatic void 1239192984Sthompsaumass_t_bbb_data_clear_stall_callback(struct usb_xfer *xfer, 1240194677Sthompsa uint8_t next_xfer, uint8_t stall_xfer, usb_error_t error) 1241184610Salfred{ 1242194677Sthompsa struct umass_softc *sc = usbd_xfer_softc(xfer); 1243184610Salfred 1244184610Salfred switch (USB_GET_STATE(xfer)) { 1245184610Salfred case USB_ST_TRANSFERRED: 1246184610Salfredtr_transferred: 1247184610Salfred umass_transfer_start(sc, next_xfer); 1248184610Salfred return; 1249184610Salfred 1250184610Salfred case USB_ST_SETUP: 1251194228Sthompsa if (usbd_clear_stall_callback(xfer, sc->sc_xfer[stall_xfer])) { 1252184610Salfred goto tr_transferred; 1253184610Salfred } 1254184610Salfred return; 1255184610Salfred 1256184610Salfred default: /* Error */ 1257194677Sthompsa umass_tr_error(xfer, error); 1258184610Salfred return; 1259184610Salfred } 1260184610Salfred} 1261184610Salfred 1262184610Salfredstatic void 1263194677Sthompsaumass_t_bbb_command_callback(struct usb_xfer *xfer, usb_error_t error) 1264184610Salfred{ 1265194677Sthompsa struct umass_softc *sc = usbd_xfer_softc(xfer); 1266184610Salfred union ccb *ccb = sc->sc_transfer.ccb; 1267194677Sthompsa struct usb_page_cache *pc; 1268184610Salfred uint32_t tag; 1269184610Salfred 1270184610Salfred switch (USB_GET_STATE(xfer)) { 1271184610Salfred case USB_ST_TRANSFERRED: 1272184610Salfred umass_transfer_start 1273184610Salfred (sc, ((sc->sc_transfer.dir == DIR_IN) ? UMASS_T_BBB_DATA_READ : 1274184610Salfred (sc->sc_transfer.dir == DIR_OUT) ? UMASS_T_BBB_DATA_WRITE : 1275184610Salfred UMASS_T_BBB_STATUS)); 1276184610Salfred return; 1277184610Salfred 1278184610Salfred case USB_ST_SETUP: 1279184610Salfred 1280184610Salfred sc->sc_status_try = 0; 1281184610Salfred 1282184610Salfred if (ccb) { 1283184610Salfred 1284184610Salfred /* 1285184610Salfred * the initial value is not important, 1286184610Salfred * as long as the values are unique: 1287184610Salfred */ 1288184610Salfred tag = UGETDW(sc->cbw.dCBWTag) + 1; 1289184610Salfred 1290184610Salfred USETDW(sc->cbw.dCBWSignature, CBWSIGNATURE); 1291184610Salfred USETDW(sc->cbw.dCBWTag, tag); 1292184610Salfred 1293184610Salfred /* 1294184610Salfred * dCBWDataTransferLength: 1295184610Salfred * This field indicates the number of bytes of data that the host 1296184610Salfred * intends to transfer on the IN or OUT Bulk endpoint(as indicated by 1297184610Salfred * the Direction bit) during the execution of this command. If this 1298184610Salfred * field is set to 0, the device will expect that no data will be 1299184610Salfred * transferred IN or OUT during this command, regardless of the value 1300184610Salfred * of the Direction bit defined in dCBWFlags. 1301184610Salfred */ 1302184610Salfred USETDW(sc->cbw.dCBWDataTransferLength, sc->sc_transfer.data_len); 1303184610Salfred 1304184610Salfred /* 1305184610Salfred * dCBWFlags: 1306184610Salfred * The bits of the Flags field are defined as follows: 1307184610Salfred * Bits 0-6 reserved 1308184610Salfred * Bit 7 Direction - this bit shall be ignored if the 1309184610Salfred * dCBWDataTransferLength field is zero. 1310184610Salfred * 0 = data Out from host to device 1311184610Salfred * 1 = data In from device to host 1312184610Salfred */ 1313184610Salfred sc->cbw.bCBWFlags = ((sc->sc_transfer.dir == DIR_IN) ? 1314184610Salfred CBWFLAGS_IN : CBWFLAGS_OUT); 1315184610Salfred sc->cbw.bCBWLUN = sc->sc_transfer.lun; 1316184610Salfred 1317184610Salfred if (sc->sc_transfer.cmd_len > sizeof(sc->cbw.CBWCDB)) { 1318184610Salfred sc->sc_transfer.cmd_len = sizeof(sc->cbw.CBWCDB); 1319184610Salfred DPRINTF(sc, UDMASS_BBB, "Truncating long command!\n"); 1320184610Salfred } 1321184610Salfred sc->cbw.bCDBLength = sc->sc_transfer.cmd_len; 1322184610Salfred 1323227461Shselasky memcpy(sc->cbw.CBWCDB, sc->sc_transfer.cmd_data, 1324184610Salfred sc->sc_transfer.cmd_len); 1325184610Salfred 1326227461Shselasky memset(sc->sc_transfer.cmd_data + 1327227461Shselasky sc->sc_transfer.cmd_len, 0, 1328227461Shselasky sizeof(sc->cbw.CBWCDB) - 1329227461Shselasky sc->sc_transfer.cmd_len); 1330184610Salfred 1331184610Salfred DIF(UDMASS_BBB, umass_bbb_dump_cbw(sc, &sc->cbw)); 1332184610Salfred 1333194677Sthompsa pc = usbd_xfer_get_frame(xfer, 0); 1334194677Sthompsa usbd_copy_in(pc, 0, &sc->cbw, sizeof(sc->cbw)); 1335194677Sthompsa usbd_xfer_set_frame_len(xfer, 0, sizeof(sc->cbw)); 1336184610Salfred 1337194228Sthompsa usbd_transfer_submit(xfer); 1338184610Salfred } 1339184610Salfred return; 1340184610Salfred 1341184610Salfred default: /* Error */ 1342194677Sthompsa umass_tr_error(xfer, error); 1343184610Salfred return; 1344184610Salfred } 1345184610Salfred} 1346184610Salfred 1347184610Salfredstatic void 1348194677Sthompsaumass_t_bbb_data_read_callback(struct usb_xfer *xfer, usb_error_t error) 1349184610Salfred{ 1350194677Sthompsa struct umass_softc *sc = usbd_xfer_softc(xfer); 1351194677Sthompsa uint32_t max_bulk = usbd_xfer_max_len(xfer); 1352194677Sthompsa int actlen, sumlen; 1353184610Salfred 1354194677Sthompsa usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); 1355194677Sthompsa 1356184610Salfred switch (USB_GET_STATE(xfer)) { 1357184610Salfred case USB_ST_TRANSFERRED: 1358194677Sthompsa sc->sc_transfer.data_rem -= actlen; 1359194677Sthompsa sc->sc_transfer.data_ptr += actlen; 1360194677Sthompsa sc->sc_transfer.actlen += actlen; 1361184610Salfred 1362194677Sthompsa if (actlen < sumlen) { 1363184610Salfred /* short transfer */ 1364184610Salfred sc->sc_transfer.data_rem = 0; 1365184610Salfred } 1366184610Salfred case USB_ST_SETUP: 1367184610Salfred DPRINTF(sc, UDMASS_BBB, "max_bulk=%d, data_rem=%d\n", 1368184610Salfred max_bulk, sc->sc_transfer.data_rem); 1369184610Salfred 1370184610Salfred if (sc->sc_transfer.data_rem == 0) { 1371184610Salfred umass_transfer_start(sc, UMASS_T_BBB_STATUS); 1372184610Salfred return; 1373184610Salfred } 1374184610Salfred if (max_bulk > sc->sc_transfer.data_rem) { 1375184610Salfred max_bulk = sc->sc_transfer.data_rem; 1376184610Salfred } 1377194677Sthompsa usbd_xfer_set_timeout(xfer, sc->sc_transfer.data_timeout); 1378184610Salfred 1379194677Sthompsa usbd_xfer_set_frame_data(xfer, 0, sc->sc_transfer.data_ptr, 1380194677Sthompsa max_bulk); 1381232361Shselasky 1382194228Sthompsa usbd_transfer_submit(xfer); 1383184610Salfred return; 1384184610Salfred 1385184610Salfred default: /* Error */ 1386194677Sthompsa if (error == USB_ERR_CANCELLED) { 1387194677Sthompsa umass_tr_error(xfer, error); 1388184610Salfred } else { 1389184610Salfred umass_transfer_start(sc, UMASS_T_BBB_DATA_RD_CS); 1390184610Salfred } 1391184610Salfred return; 1392184610Salfred } 1393184610Salfred} 1394184610Salfred 1395184610Salfredstatic void 1396194677Sthompsaumass_t_bbb_data_rd_cs_callback(struct usb_xfer *xfer, usb_error_t error) 1397184610Salfred{ 1398184610Salfred umass_t_bbb_data_clear_stall_callback(xfer, UMASS_T_BBB_STATUS, 1399194677Sthompsa UMASS_T_BBB_DATA_READ, error); 1400184610Salfred} 1401184610Salfred 1402184610Salfredstatic void 1403194677Sthompsaumass_t_bbb_data_write_callback(struct usb_xfer *xfer, usb_error_t error) 1404184610Salfred{ 1405194677Sthompsa struct umass_softc *sc = usbd_xfer_softc(xfer); 1406194677Sthompsa uint32_t max_bulk = usbd_xfer_max_len(xfer); 1407194677Sthompsa int actlen, sumlen; 1408184610Salfred 1409194677Sthompsa usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); 1410194677Sthompsa 1411184610Salfred switch (USB_GET_STATE(xfer)) { 1412184610Salfred case USB_ST_TRANSFERRED: 1413194677Sthompsa sc->sc_transfer.data_rem -= actlen; 1414194677Sthompsa sc->sc_transfer.data_ptr += actlen; 1415194677Sthompsa sc->sc_transfer.actlen += actlen; 1416184610Salfred 1417194677Sthompsa if (actlen < sumlen) { 1418184610Salfred /* short transfer */ 1419184610Salfred sc->sc_transfer.data_rem = 0; 1420184610Salfred } 1421184610Salfred case USB_ST_SETUP: 1422184610Salfred DPRINTF(sc, UDMASS_BBB, "max_bulk=%d, data_rem=%d\n", 1423184610Salfred max_bulk, sc->sc_transfer.data_rem); 1424184610Salfred 1425184610Salfred if (sc->sc_transfer.data_rem == 0) { 1426184610Salfred umass_transfer_start(sc, UMASS_T_BBB_STATUS); 1427184610Salfred return; 1428184610Salfred } 1429184610Salfred if (max_bulk > sc->sc_transfer.data_rem) { 1430184610Salfred max_bulk = sc->sc_transfer.data_rem; 1431184610Salfred } 1432194677Sthompsa usbd_xfer_set_timeout(xfer, sc->sc_transfer.data_timeout); 1433184610Salfred 1434194677Sthompsa usbd_xfer_set_frame_data(xfer, 0, sc->sc_transfer.data_ptr, 1435194677Sthompsa max_bulk); 1436184610Salfred 1437194228Sthompsa usbd_transfer_submit(xfer); 1438184610Salfred return; 1439184610Salfred 1440184610Salfred default: /* Error */ 1441194677Sthompsa if (error == USB_ERR_CANCELLED) { 1442194677Sthompsa umass_tr_error(xfer, error); 1443184610Salfred } else { 1444184610Salfred umass_transfer_start(sc, UMASS_T_BBB_DATA_WR_CS); 1445184610Salfred } 1446184610Salfred return; 1447184610Salfred } 1448184610Salfred} 1449184610Salfred 1450184610Salfredstatic void 1451194677Sthompsaumass_t_bbb_data_wr_cs_callback(struct usb_xfer *xfer, usb_error_t error) 1452184610Salfred{ 1453184610Salfred umass_t_bbb_data_clear_stall_callback(xfer, UMASS_T_BBB_STATUS, 1454194677Sthompsa UMASS_T_BBB_DATA_WRITE, error); 1455184610Salfred} 1456184610Salfred 1457184610Salfredstatic void 1458194677Sthompsaumass_t_bbb_status_callback(struct usb_xfer *xfer, usb_error_t error) 1459184610Salfred{ 1460194677Sthompsa struct umass_softc *sc = usbd_xfer_softc(xfer); 1461184610Salfred union ccb *ccb = sc->sc_transfer.ccb; 1462194677Sthompsa struct usb_page_cache *pc; 1463184610Salfred uint32_t residue; 1464194677Sthompsa int actlen; 1465184610Salfred 1466194677Sthompsa usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1467194677Sthompsa 1468184610Salfred switch (USB_GET_STATE(xfer)) { 1469184610Salfred case USB_ST_TRANSFERRED: 1470184610Salfred 1471184610Salfred /* 1472184610Salfred * Do a full reset if there is something wrong with the CSW: 1473184610Salfred */ 1474184610Salfred sc->sc_status_try = 1; 1475184610Salfred 1476184610Salfred /* Zero missing parts of the CSW: */ 1477184610Salfred 1478233774Shselasky if (actlen < (int)sizeof(sc->csw)) 1479227461Shselasky memset(&sc->csw, 0, sizeof(sc->csw)); 1480227461Shselasky 1481194677Sthompsa pc = usbd_xfer_get_frame(xfer, 0); 1482194677Sthompsa usbd_copy_out(pc, 0, &sc->csw, actlen); 1483184610Salfred 1484184610Salfred DIF(UDMASS_BBB, umass_bbb_dump_csw(sc, &sc->csw)); 1485184610Salfred 1486184610Salfred residue = UGETDW(sc->csw.dCSWDataResidue); 1487184610Salfred 1488189905Sthompsa if ((!residue) || (sc->sc_quirks & IGNORE_RESIDUE)) { 1489184610Salfred residue = (sc->sc_transfer.data_len - 1490184610Salfred sc->sc_transfer.actlen); 1491184610Salfred } 1492184610Salfred if (residue > sc->sc_transfer.data_len) { 1493184610Salfred DPRINTF(sc, UDMASS_BBB, "truncating residue from %d " 1494184610Salfred "to %d bytes\n", residue, sc->sc_transfer.data_len); 1495184610Salfred residue = sc->sc_transfer.data_len; 1496184610Salfred } 1497184610Salfred /* translate weird command-status signatures: */ 1498184610Salfred if (sc->sc_quirks & WRONG_CSWSIG) { 1499184610Salfred 1500184610Salfred uint32_t temp = UGETDW(sc->csw.dCSWSignature); 1501184610Salfred 1502184610Salfred if ((temp == CSWSIGNATURE_OLYMPUS_C1) || 1503184610Salfred (temp == CSWSIGNATURE_IMAGINATION_DBX1)) { 1504184610Salfred USETDW(sc->csw.dCSWSignature, CSWSIGNATURE); 1505184610Salfred } 1506184610Salfred } 1507184610Salfred /* check CSW and handle eventual error */ 1508184610Salfred if (UGETDW(sc->csw.dCSWSignature) != CSWSIGNATURE) { 1509184610Salfred DPRINTF(sc, UDMASS_BBB, "bad CSW signature 0x%08x != 0x%08x\n", 1510184610Salfred UGETDW(sc->csw.dCSWSignature), CSWSIGNATURE); 1511184610Salfred /* 1512184610Salfred * Invalid CSW: Wrong signature or wrong tag might 1513184610Salfred * indicate that we lost synchronization. Reset the 1514184610Salfred * device. 1515184610Salfred */ 1516184610Salfred goto tr_error; 1517184610Salfred } else if (UGETDW(sc->csw.dCSWTag) != UGETDW(sc->cbw.dCBWTag)) { 1518184610Salfred DPRINTF(sc, UDMASS_BBB, "Invalid CSW: tag 0x%08x should be " 1519184610Salfred "0x%08x\n", UGETDW(sc->csw.dCSWTag), 1520184610Salfred UGETDW(sc->cbw.dCBWTag)); 1521184610Salfred goto tr_error; 1522184610Salfred } else if (sc->csw.bCSWStatus > CSWSTATUS_PHASE) { 1523184610Salfred DPRINTF(sc, UDMASS_BBB, "Invalid CSW: status %d > %d\n", 1524184610Salfred sc->csw.bCSWStatus, CSWSTATUS_PHASE); 1525184610Salfred goto tr_error; 1526184610Salfred } else if (sc->csw.bCSWStatus == CSWSTATUS_PHASE) { 1527184610Salfred DPRINTF(sc, UDMASS_BBB, "Phase error, residue = " 1528184610Salfred "%d\n", residue); 1529184610Salfred goto tr_error; 1530184610Salfred } else if (sc->sc_transfer.actlen > sc->sc_transfer.data_len) { 1531184610Salfred DPRINTF(sc, UDMASS_BBB, "Buffer overrun %d > %d\n", 1532184610Salfred sc->sc_transfer.actlen, sc->sc_transfer.data_len); 1533184610Salfred goto tr_error; 1534184610Salfred } else if (sc->csw.bCSWStatus == CSWSTATUS_FAILED) { 1535184610Salfred DPRINTF(sc, UDMASS_BBB, "Command failed, residue = " 1536184610Salfred "%d\n", residue); 1537184610Salfred 1538184610Salfred sc->sc_transfer.ccb = NULL; 1539184610Salfred 1540184610Salfred sc->sc_last_xfer_index = UMASS_T_BBB_COMMAND; 1541184610Salfred 1542184610Salfred (sc->sc_transfer.callback) 1543184610Salfred (sc, ccb, residue, STATUS_CMD_FAILED); 1544184610Salfred } else { 1545184610Salfred sc->sc_transfer.ccb = NULL; 1546184610Salfred 1547184610Salfred sc->sc_last_xfer_index = UMASS_T_BBB_COMMAND; 1548184610Salfred 1549184610Salfred (sc->sc_transfer.callback) 1550184610Salfred (sc, ccb, residue, STATUS_CMD_OK); 1551184610Salfred } 1552184610Salfred return; 1553184610Salfred 1554184610Salfred case USB_ST_SETUP: 1555194677Sthompsa usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1556194228Sthompsa usbd_transfer_submit(xfer); 1557184610Salfred return; 1558184610Salfred 1559184610Salfred default: 1560184610Salfredtr_error: 1561184610Salfred DPRINTF(sc, UDMASS_BBB, "Failed to read CSW: %s, try %d\n", 1562194677Sthompsa usbd_errstr(error), sc->sc_status_try); 1563184610Salfred 1564194677Sthompsa if ((error == USB_ERR_CANCELLED) || 1565184610Salfred (sc->sc_status_try)) { 1566194677Sthompsa umass_tr_error(xfer, error); 1567184610Salfred } else { 1568184610Salfred sc->sc_status_try = 1; 1569184610Salfred umass_transfer_start(sc, UMASS_T_BBB_DATA_RD_CS); 1570184610Salfred } 1571184610Salfred return; 1572184610Salfred } 1573184610Salfred} 1574184610Salfred 1575184610Salfredstatic void 1576184610Salfredumass_command_start(struct umass_softc *sc, uint8_t dir, 1577184610Salfred void *data_ptr, uint32_t data_len, 1578184610Salfred uint32_t data_timeout, umass_callback_t *callback, 1579184610Salfred union ccb *ccb) 1580184610Salfred{ 1581184610Salfred sc->sc_transfer.lun = ccb->ccb_h.target_lun; 1582184610Salfred 1583184610Salfred /* 1584184610Salfred * NOTE: assumes that "sc->sc_transfer.cmd_data" and 1585184610Salfred * "sc->sc_transfer.cmd_len" has been properly 1586184610Salfred * initialized. 1587184610Salfred */ 1588184610Salfred 1589184610Salfred sc->sc_transfer.dir = data_len ? dir : DIR_NONE; 1590184610Salfred sc->sc_transfer.data_ptr = data_ptr; 1591184610Salfred sc->sc_transfer.data_len = data_len; 1592184610Salfred sc->sc_transfer.data_rem = data_len; 1593184610Salfred sc->sc_transfer.data_timeout = (data_timeout + UMASS_TIMEOUT); 1594184610Salfred 1595184610Salfred sc->sc_transfer.actlen = 0; 1596184610Salfred sc->sc_transfer.callback = callback; 1597184610Salfred sc->sc_transfer.ccb = ccb; 1598184610Salfred 1599184610Salfred if (sc->sc_xfer[sc->sc_last_xfer_index]) { 1600194228Sthompsa usbd_transfer_start(sc->sc_xfer[sc->sc_last_xfer_index]); 1601184610Salfred } else { 1602232358Shselasky umass_cancel_ccb(sc); 1603184610Salfred } 1604184610Salfred} 1605184610Salfred 1606184610Salfredstatic uint8_t 1607184610Salfredumass_bbb_get_max_lun(struct umass_softc *sc) 1608184610Salfred{ 1609192984Sthompsa struct usb_device_request req; 1610193045Sthompsa usb_error_t err; 1611184610Salfred uint8_t buf = 0; 1612184610Salfred 1613184610Salfred /* The Get Max Lun command is a class-specific request. */ 1614184610Salfred req.bmRequestType = UT_READ_CLASS_INTERFACE; 1615184610Salfred req.bRequest = UR_BBB_GET_MAX_LUN; 1616184610Salfred USETW(req.wValue, 0); 1617184610Salfred req.wIndex[0] = sc->sc_iface_no; 1618184610Salfred req.wIndex[1] = 0; 1619184610Salfred USETW(req.wLength, 1); 1620184610Salfred 1621194228Sthompsa err = usbd_do_request(sc->sc_udev, NULL, &req, &buf); 1622184610Salfred if (err) { 1623184610Salfred buf = 0; 1624184610Salfred 1625184610Salfred /* Device doesn't support Get Max Lun request. */ 1626184610Salfred printf("%s: Get Max Lun not supported (%s)\n", 1627194228Sthompsa sc->sc_name, usbd_errstr(err)); 1628184610Salfred } 1629184610Salfred return (buf); 1630184610Salfred} 1631184610Salfred 1632184610Salfred/* 1633184610Salfred * Command/Bulk/Interrupt (CBI) specific functions 1634184610Salfred */ 1635184610Salfred 1636184610Salfredstatic void 1637184610Salfredumass_cbi_start_status(struct umass_softc *sc) 1638184610Salfred{ 1639184610Salfred if (sc->sc_xfer[UMASS_T_CBI_STATUS]) { 1640184610Salfred umass_transfer_start(sc, UMASS_T_CBI_STATUS); 1641184610Salfred } else { 1642184610Salfred union ccb *ccb = sc->sc_transfer.ccb; 1643184610Salfred 1644184610Salfred sc->sc_transfer.ccb = NULL; 1645184610Salfred 1646184610Salfred sc->sc_last_xfer_index = UMASS_T_CBI_COMMAND; 1647184610Salfred 1648184610Salfred (sc->sc_transfer.callback) 1649184610Salfred (sc, ccb, (sc->sc_transfer.data_len - 1650184610Salfred sc->sc_transfer.actlen), STATUS_CMD_UNKNOWN); 1651184610Salfred } 1652184610Salfred} 1653184610Salfred 1654184610Salfredstatic void 1655194677Sthompsaumass_t_cbi_reset1_callback(struct usb_xfer *xfer, usb_error_t error) 1656184610Salfred{ 1657194677Sthompsa struct umass_softc *sc = usbd_xfer_softc(xfer); 1658192984Sthompsa struct usb_device_request req; 1659194677Sthompsa struct usb_page_cache *pc; 1660184610Salfred uint8_t buf[UMASS_CBI_DIAGNOSTIC_CMDLEN]; 1661184610Salfred 1662184610Salfred uint8_t i; 1663184610Salfred 1664184610Salfred switch (USB_GET_STATE(xfer)) { 1665184610Salfred case USB_ST_TRANSFERRED: 1666184610Salfred umass_transfer_start(sc, UMASS_T_CBI_RESET2); 1667203145Sthompsa break; 1668184610Salfred 1669184610Salfred case USB_ST_SETUP: 1670184610Salfred /* 1671184610Salfred * Command Block Reset Protocol 1672184610Salfred * 1673184610Salfred * First send a reset request to the device. Then clear 1674184610Salfred * any possibly stalled bulk endpoints. 1675184610Salfred * 1676184610Salfred * This is done in 3 steps, using 3 transfers: 1677184610Salfred * UMASS_T_CBI_RESET1 1678184610Salfred * UMASS_T_CBI_RESET2 1679184610Salfred * UMASS_T_CBI_RESET3 1680184610Salfred * UMASS_T_CBI_RESET4 (only if there is an interrupt endpoint) 1681184610Salfred */ 1682184610Salfred 1683184610Salfred DPRINTF(sc, UDMASS_CBI, "CBI reset!\n"); 1684184610Salfred 1685184610Salfred req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1686184610Salfred req.bRequest = UR_CBI_ADSC; 1687184610Salfred USETW(req.wValue, 0); 1688184610Salfred req.wIndex[0] = sc->sc_iface_no; 1689184610Salfred req.wIndex[1] = 0; 1690184610Salfred USETW(req.wLength, UMASS_CBI_DIAGNOSTIC_CMDLEN); 1691184610Salfred 1692184610Salfred /* 1693184610Salfred * The 0x1d code is the SEND DIAGNOSTIC command. To 1694184610Salfred * distinguish between the two, the last 10 bytes of the CBL 1695184610Salfred * is filled with 0xff (section 2.2 of the CBI 1696184610Salfred * specification) 1697184610Salfred */ 1698184610Salfred buf[0] = 0x1d; /* Command Block Reset */ 1699184610Salfred buf[1] = 0x04; 1700184610Salfred 1701184610Salfred for (i = 2; i < UMASS_CBI_DIAGNOSTIC_CMDLEN; i++) { 1702184610Salfred buf[i] = 0xff; 1703184610Salfred } 1704184610Salfred 1705194677Sthompsa pc = usbd_xfer_get_frame(xfer, 0); 1706194677Sthompsa usbd_copy_in(pc, 0, &req, sizeof(req)); 1707194677Sthompsa pc = usbd_xfer_get_frame(xfer, 1); 1708194677Sthompsa usbd_copy_in(pc, 0, buf, sizeof(buf)); 1709184610Salfred 1710194677Sthompsa usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 1711194677Sthompsa usbd_xfer_set_frame_len(xfer, 1, sizeof(buf)); 1712194677Sthompsa usbd_xfer_set_frames(xfer, 2); 1713194228Sthompsa usbd_transfer_submit(xfer); 1714203145Sthompsa break; 1715184610Salfred 1716184610Salfred default: /* Error */ 1717203145Sthompsa if (error == USB_ERR_CANCELLED) 1718203145Sthompsa umass_tr_error(xfer, error); 1719203145Sthompsa else 1720203145Sthompsa umass_transfer_start(sc, UMASS_T_CBI_RESET2); 1721203145Sthompsa break; 1722184610Salfred } 1723184610Salfred} 1724184610Salfred 1725184610Salfredstatic void 1726194677Sthompsaumass_t_cbi_reset2_callback(struct usb_xfer *xfer, usb_error_t error) 1727184610Salfred{ 1728184610Salfred umass_t_cbi_data_clear_stall_callback(xfer, UMASS_T_CBI_RESET3, 1729194677Sthompsa UMASS_T_CBI_DATA_READ, error); 1730184610Salfred} 1731184610Salfred 1732184610Salfredstatic void 1733194677Sthompsaumass_t_cbi_reset3_callback(struct usb_xfer *xfer, usb_error_t error) 1734184610Salfred{ 1735194677Sthompsa struct umass_softc *sc = usbd_xfer_softc(xfer); 1736184610Salfred 1737184610Salfred umass_t_cbi_data_clear_stall_callback 1738184610Salfred (xfer, (sc->sc_xfer[UMASS_T_CBI_RESET4] && 1739184610Salfred sc->sc_xfer[UMASS_T_CBI_STATUS]) ? 1740184610Salfred UMASS_T_CBI_RESET4 : UMASS_T_CBI_COMMAND, 1741194677Sthompsa UMASS_T_CBI_DATA_WRITE, error); 1742184610Salfred} 1743184610Salfred 1744184610Salfredstatic void 1745194677Sthompsaumass_t_cbi_reset4_callback(struct usb_xfer *xfer, usb_error_t error) 1746184610Salfred{ 1747184610Salfred umass_t_cbi_data_clear_stall_callback(xfer, UMASS_T_CBI_COMMAND, 1748194677Sthompsa UMASS_T_CBI_STATUS, error); 1749184610Salfred} 1750184610Salfred 1751184610Salfredstatic void 1752192984Sthompsaumass_t_cbi_data_clear_stall_callback(struct usb_xfer *xfer, 1753194677Sthompsa uint8_t next_xfer, uint8_t stall_xfer, usb_error_t error) 1754184610Salfred{ 1755194677Sthompsa struct umass_softc *sc = usbd_xfer_softc(xfer); 1756184610Salfred 1757184610Salfred switch (USB_GET_STATE(xfer)) { 1758184610Salfred case USB_ST_TRANSFERRED: 1759184610Salfredtr_transferred: 1760184610Salfred if (next_xfer == UMASS_T_CBI_STATUS) { 1761184610Salfred umass_cbi_start_status(sc); 1762184610Salfred } else { 1763184610Salfred umass_transfer_start(sc, next_xfer); 1764184610Salfred } 1765203145Sthompsa break; 1766184610Salfred 1767184610Salfred case USB_ST_SETUP: 1768194228Sthompsa if (usbd_clear_stall_callback(xfer, sc->sc_xfer[stall_xfer])) { 1769184610Salfred goto tr_transferred; /* should not happen */ 1770184610Salfred } 1771203145Sthompsa break; 1772184610Salfred 1773184610Salfred default: /* Error */ 1774194677Sthompsa umass_tr_error(xfer, error); 1775203145Sthompsa break; 1776184610Salfred } 1777184610Salfred} 1778184610Salfred 1779184610Salfredstatic void 1780194677Sthompsaumass_t_cbi_command_callback(struct usb_xfer *xfer, usb_error_t error) 1781184610Salfred{ 1782194677Sthompsa struct umass_softc *sc = usbd_xfer_softc(xfer); 1783184610Salfred union ccb *ccb = sc->sc_transfer.ccb; 1784192984Sthompsa struct usb_device_request req; 1785194677Sthompsa struct usb_page_cache *pc; 1786184610Salfred 1787184610Salfred switch (USB_GET_STATE(xfer)) { 1788184610Salfred case USB_ST_TRANSFERRED: 1789184610Salfred 1790184610Salfred if (sc->sc_transfer.dir == DIR_NONE) { 1791184610Salfred umass_cbi_start_status(sc); 1792184610Salfred } else { 1793184610Salfred umass_transfer_start 1794184610Salfred (sc, (sc->sc_transfer.dir == DIR_IN) ? 1795184610Salfred UMASS_T_CBI_DATA_READ : UMASS_T_CBI_DATA_WRITE); 1796184610Salfred } 1797203145Sthompsa break; 1798184610Salfred 1799184610Salfred case USB_ST_SETUP: 1800184610Salfred 1801184610Salfred if (ccb) { 1802184610Salfred 1803184610Salfred /* 1804184610Salfred * do a CBI transfer with cmd_len bytes from 1805184610Salfred * cmd_data, possibly a data phase of data_len 1806184610Salfred * bytes from/to the device and finally a status 1807184610Salfred * read phase. 1808184610Salfred */ 1809184610Salfred 1810184610Salfred req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1811184610Salfred req.bRequest = UR_CBI_ADSC; 1812184610Salfred USETW(req.wValue, 0); 1813184610Salfred req.wIndex[0] = sc->sc_iface_no; 1814184610Salfred req.wIndex[1] = 0; 1815184610Salfred req.wLength[0] = sc->sc_transfer.cmd_len; 1816184610Salfred req.wLength[1] = 0; 1817184610Salfred 1818194677Sthompsa pc = usbd_xfer_get_frame(xfer, 0); 1819194677Sthompsa usbd_copy_in(pc, 0, &req, sizeof(req)); 1820194677Sthompsa pc = usbd_xfer_get_frame(xfer, 1); 1821194677Sthompsa usbd_copy_in(pc, 0, sc->sc_transfer.cmd_data, 1822184610Salfred sc->sc_transfer.cmd_len); 1823184610Salfred 1824194677Sthompsa usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 1825194677Sthompsa usbd_xfer_set_frame_len(xfer, 1, sc->sc_transfer.cmd_len); 1826194677Sthompsa usbd_xfer_set_frames(xfer, 1827194677Sthompsa sc->sc_transfer.cmd_len ? 2 : 1); 1828184610Salfred 1829184610Salfred DIF(UDMASS_CBI, 1830184610Salfred umass_cbi_dump_cmd(sc, 1831184610Salfred sc->sc_transfer.cmd_data, 1832184610Salfred sc->sc_transfer.cmd_len)); 1833184610Salfred 1834194228Sthompsa usbd_transfer_submit(xfer); 1835184610Salfred } 1836203145Sthompsa break; 1837184610Salfred 1838184610Salfred default: /* Error */ 1839220535Smav /* 1840220535Smav * STALL on the control pipe can be result of the command error. 1841220535Smav * Attempt to clear this STALL same as for bulk pipe also 1842220535Smav * results in command completion interrupt, but ASC/ASCQ there 1843220535Smav * look like not always valid, so don't bother about it. 1844220535Smav */ 1845220535Smav if ((error == USB_ERR_STALLED) || 1846220535Smav (sc->sc_transfer.callback == &umass_cam_cb)) { 1847220535Smav sc->sc_transfer.ccb = NULL; 1848220535Smav (sc->sc_transfer.callback) 1849220535Smav (sc, ccb, sc->sc_transfer.data_len, 1850220535Smav STATUS_CMD_UNKNOWN); 1851220535Smav } else { 1852220535Smav umass_tr_error(xfer, error); 1853220535Smav /* skip reset */ 1854220535Smav sc->sc_last_xfer_index = UMASS_T_CBI_COMMAND; 1855220535Smav } 1856203145Sthompsa break; 1857184610Salfred } 1858184610Salfred} 1859184610Salfred 1860184610Salfredstatic void 1861194677Sthompsaumass_t_cbi_data_read_callback(struct usb_xfer *xfer, usb_error_t error) 1862184610Salfred{ 1863194677Sthompsa struct umass_softc *sc = usbd_xfer_softc(xfer); 1864194677Sthompsa uint32_t max_bulk = usbd_xfer_max_len(xfer); 1865194677Sthompsa int actlen, sumlen; 1866184610Salfred 1867194677Sthompsa usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); 1868194677Sthompsa 1869184610Salfred switch (USB_GET_STATE(xfer)) { 1870184610Salfred case USB_ST_TRANSFERRED: 1871194677Sthompsa sc->sc_transfer.data_rem -= actlen; 1872194677Sthompsa sc->sc_transfer.data_ptr += actlen; 1873194677Sthompsa sc->sc_transfer.actlen += actlen; 1874184610Salfred 1875194677Sthompsa if (actlen < sumlen) { 1876184610Salfred /* short transfer */ 1877184610Salfred sc->sc_transfer.data_rem = 0; 1878184610Salfred } 1879184610Salfred case USB_ST_SETUP: 1880184610Salfred DPRINTF(sc, UDMASS_CBI, "max_bulk=%d, data_rem=%d\n", 1881184610Salfred max_bulk, sc->sc_transfer.data_rem); 1882184610Salfred 1883184610Salfred if (sc->sc_transfer.data_rem == 0) { 1884184610Salfred umass_cbi_start_status(sc); 1885203145Sthompsa break; 1886184610Salfred } 1887184610Salfred if (max_bulk > sc->sc_transfer.data_rem) { 1888184610Salfred max_bulk = sc->sc_transfer.data_rem; 1889184610Salfred } 1890194677Sthompsa usbd_xfer_set_timeout(xfer, sc->sc_transfer.data_timeout); 1891184610Salfred 1892194677Sthompsa usbd_xfer_set_frame_data(xfer, 0, sc->sc_transfer.data_ptr, 1893194677Sthompsa max_bulk); 1894232361Shselasky 1895194228Sthompsa usbd_transfer_submit(xfer); 1896203145Sthompsa break; 1897184610Salfred 1898184610Salfred default: /* Error */ 1899194677Sthompsa if ((error == USB_ERR_CANCELLED) || 1900184610Salfred (sc->sc_transfer.callback != &umass_cam_cb)) { 1901194677Sthompsa umass_tr_error(xfer, error); 1902184610Salfred } else { 1903184610Salfred umass_transfer_start(sc, UMASS_T_CBI_DATA_RD_CS); 1904184610Salfred } 1905203145Sthompsa break; 1906184610Salfred } 1907184610Salfred} 1908184610Salfred 1909184610Salfredstatic void 1910194677Sthompsaumass_t_cbi_data_rd_cs_callback(struct usb_xfer *xfer, usb_error_t error) 1911184610Salfred{ 1912184610Salfred umass_t_cbi_data_clear_stall_callback(xfer, UMASS_T_CBI_STATUS, 1913194677Sthompsa UMASS_T_CBI_DATA_READ, error); 1914184610Salfred} 1915184610Salfred 1916184610Salfredstatic void 1917194677Sthompsaumass_t_cbi_data_write_callback(struct usb_xfer *xfer, usb_error_t error) 1918184610Salfred{ 1919194677Sthompsa struct umass_softc *sc = usbd_xfer_softc(xfer); 1920194677Sthompsa uint32_t max_bulk = usbd_xfer_max_len(xfer); 1921194677Sthompsa int actlen, sumlen; 1922184610Salfred 1923194677Sthompsa usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); 1924194677Sthompsa 1925184610Salfred switch (USB_GET_STATE(xfer)) { 1926184610Salfred case USB_ST_TRANSFERRED: 1927194677Sthompsa sc->sc_transfer.data_rem -= actlen; 1928194677Sthompsa sc->sc_transfer.data_ptr += actlen; 1929194677Sthompsa sc->sc_transfer.actlen += actlen; 1930184610Salfred 1931194677Sthompsa if (actlen < sumlen) { 1932184610Salfred /* short transfer */ 1933184610Salfred sc->sc_transfer.data_rem = 0; 1934184610Salfred } 1935184610Salfred case USB_ST_SETUP: 1936184610Salfred DPRINTF(sc, UDMASS_CBI, "max_bulk=%d, data_rem=%d\n", 1937184610Salfred max_bulk, sc->sc_transfer.data_rem); 1938184610Salfred 1939184610Salfred if (sc->sc_transfer.data_rem == 0) { 1940184610Salfred umass_cbi_start_status(sc); 1941203145Sthompsa break; 1942184610Salfred } 1943184610Salfred if (max_bulk > sc->sc_transfer.data_rem) { 1944184610Salfred max_bulk = sc->sc_transfer.data_rem; 1945184610Salfred } 1946194677Sthompsa usbd_xfer_set_timeout(xfer, sc->sc_transfer.data_timeout); 1947184610Salfred 1948194677Sthompsa usbd_xfer_set_frame_data(xfer, 0, sc->sc_transfer.data_ptr, 1949194677Sthompsa max_bulk); 1950184610Salfred 1951194228Sthompsa usbd_transfer_submit(xfer); 1952203145Sthompsa break; 1953184610Salfred 1954184610Salfred default: /* Error */ 1955194677Sthompsa if ((error == USB_ERR_CANCELLED) || 1956184610Salfred (sc->sc_transfer.callback != &umass_cam_cb)) { 1957194677Sthompsa umass_tr_error(xfer, error); 1958184610Salfred } else { 1959184610Salfred umass_transfer_start(sc, UMASS_T_CBI_DATA_WR_CS); 1960184610Salfred } 1961203145Sthompsa break; 1962184610Salfred } 1963184610Salfred} 1964184610Salfred 1965184610Salfredstatic void 1966194677Sthompsaumass_t_cbi_data_wr_cs_callback(struct usb_xfer *xfer, usb_error_t error) 1967184610Salfred{ 1968184610Salfred umass_t_cbi_data_clear_stall_callback(xfer, UMASS_T_CBI_STATUS, 1969194677Sthompsa UMASS_T_CBI_DATA_WRITE, error); 1970184610Salfred} 1971184610Salfred 1972184610Salfredstatic void 1973194677Sthompsaumass_t_cbi_status_callback(struct usb_xfer *xfer, usb_error_t error) 1974184610Salfred{ 1975194677Sthompsa struct umass_softc *sc = usbd_xfer_softc(xfer); 1976184610Salfred union ccb *ccb = sc->sc_transfer.ccb; 1977194677Sthompsa struct usb_page_cache *pc; 1978184610Salfred uint32_t residue; 1979184610Salfred uint8_t status; 1980194677Sthompsa int actlen; 1981184610Salfred 1982194677Sthompsa usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1983194677Sthompsa 1984184610Salfred switch (USB_GET_STATE(xfer)) { 1985184610Salfred case USB_ST_TRANSFERRED: 1986184610Salfred 1987233774Shselasky if (actlen < (int)sizeof(sc->sbl)) { 1988184610Salfred goto tr_setup; 1989184610Salfred } 1990194677Sthompsa pc = usbd_xfer_get_frame(xfer, 0); 1991194677Sthompsa usbd_copy_out(pc, 0, &sc->sbl, sizeof(sc->sbl)); 1992184610Salfred 1993184610Salfred residue = (sc->sc_transfer.data_len - 1994184610Salfred sc->sc_transfer.actlen); 1995184610Salfred 1996184610Salfred /* dissect the information in the buffer */ 1997184610Salfred 1998184610Salfred if (sc->sc_proto & UMASS_PROTO_UFI) { 1999184610Salfred 2000184610Salfred /* 2001184610Salfred * Section 3.4.3.1.3 specifies that the UFI command 2002184610Salfred * protocol returns an ASC and ASCQ in the interrupt 2003184610Salfred * data block. 2004184610Salfred */ 2005184610Salfred 2006184610Salfred DPRINTF(sc, UDMASS_CBI, "UFI CCI, ASC = 0x%02x, " 2007184610Salfred "ASCQ = 0x%02x\n", sc->sbl.ufi.asc, 2008184610Salfred sc->sbl.ufi.ascq); 2009184610Salfred 2010184610Salfred status = (((sc->sbl.ufi.asc == 0) && 2011184610Salfred (sc->sbl.ufi.ascq == 0)) ? 2012184610Salfred STATUS_CMD_OK : STATUS_CMD_FAILED); 2013184610Salfred 2014184610Salfred sc->sc_transfer.ccb = NULL; 2015184610Salfred 2016184610Salfred sc->sc_last_xfer_index = UMASS_T_CBI_COMMAND; 2017184610Salfred 2018184610Salfred (sc->sc_transfer.callback) 2019184610Salfred (sc, ccb, residue, status); 2020184610Salfred 2021203145Sthompsa break; 2022184610Salfred 2023184610Salfred } else { 2024184610Salfred 2025184610Salfred /* Command Interrupt Data Block */ 2026184610Salfred 2027184610Salfred DPRINTF(sc, UDMASS_CBI, "type=0x%02x, value=0x%02x\n", 2028184610Salfred sc->sbl.common.type, sc->sbl.common.value); 2029184610Salfred 2030184610Salfred if (sc->sbl.common.type == IDB_TYPE_CCI) { 2031184610Salfred 2032184610Salfred status = (sc->sbl.common.value & IDB_VALUE_STATUS_MASK); 2033184610Salfred 2034184610Salfred status = ((status == IDB_VALUE_PASS) ? STATUS_CMD_OK : 2035184610Salfred (status == IDB_VALUE_FAIL) ? STATUS_CMD_FAILED : 2036184610Salfred (status == IDB_VALUE_PERSISTENT) ? STATUS_CMD_FAILED : 2037184610Salfred STATUS_WIRE_FAILED); 2038184610Salfred 2039184610Salfred sc->sc_transfer.ccb = NULL; 2040184610Salfred 2041184610Salfred sc->sc_last_xfer_index = UMASS_T_CBI_COMMAND; 2042184610Salfred 2043184610Salfred (sc->sc_transfer.callback) 2044184610Salfred (sc, ccb, residue, status); 2045184610Salfred 2046203145Sthompsa break; 2047184610Salfred } 2048184610Salfred } 2049184610Salfred 2050184610Salfred /* fallthrough */ 2051184610Salfred 2052184610Salfred case USB_ST_SETUP: 2053184610Salfredtr_setup: 2054194677Sthompsa usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 2055194228Sthompsa usbd_transfer_submit(xfer); 2056203145Sthompsa break; 2057184610Salfred 2058184610Salfred default: /* Error */ 2059184610Salfred DPRINTF(sc, UDMASS_CBI, "Failed to read CSW: %s\n", 2060194677Sthompsa usbd_errstr(error)); 2061194677Sthompsa umass_tr_error(xfer, error); 2062203145Sthompsa break; 2063184610Salfred } 2064184610Salfred} 2065184610Salfred 2066184610Salfred/* 2067184610Salfred * CAM specific functions (used by SCSI, UFI, 8070i (ATAPI)) 2068184610Salfred */ 2069184610Salfred 2070184610Salfredstatic int 2071184610Salfredumass_cam_attach_sim(struct umass_softc *sc) 2072184610Salfred{ 2073184610Salfred struct cam_devq *devq; /* Per device Queue */ 2074184610Salfred 2075184610Salfred /* 2076184610Salfred * A HBA is attached to the CAM layer. 2077184610Salfred * 2078184610Salfred * The CAM layer will then after a while start probing for devices on 2079184610Salfred * the bus. The number of SIMs is limited to one. 2080184610Salfred */ 2081184610Salfred 2082184610Salfred devq = cam_simq_alloc(1 /* maximum openings */ ); 2083184610Salfred if (devq == NULL) { 2084184610Salfred return (ENOMEM); 2085184610Salfred } 2086184610Salfred sc->sc_sim = cam_sim_alloc 2087184610Salfred (&umass_cam_action, &umass_cam_poll, 2088184610Salfred DEVNAME_SIM, 2089184610Salfred sc /* priv */ , 2090184610Salfred sc->sc_unit /* unit number */ , 2091188415Sthompsa &sc->sc_mtx /* mutex */ , 2092184610Salfred 1 /* maximum device openings */ , 2093184610Salfred 0 /* maximum tagged device openings */ , 2094184610Salfred devq); 2095184610Salfred 2096184610Salfred if (sc->sc_sim == NULL) { 2097184610Salfred cam_simq_free(devq); 2098184610Salfred return (ENOMEM); 2099184610Salfred } 2100184610Salfred 2101188415Sthompsa mtx_lock(&sc->sc_mtx); 2102184610Salfred 2103232361Shselasky if (xpt_bus_register(sc->sc_sim, sc->sc_dev, 2104232361Shselasky sc->sc_unit) != CAM_SUCCESS) { 2105188415Sthompsa mtx_unlock(&sc->sc_mtx); 2106184610Salfred return (ENOMEM); 2107184610Salfred } 2108232361Shselasky mtx_unlock(&sc->sc_mtx); 2109184610Salfred 2110184610Salfred return (0); 2111184610Salfred} 2112184610Salfred 2113184610Salfredstatic void 2114184610Salfredumass_cam_attach(struct umass_softc *sc) 2115184610Salfred{ 2116184610Salfred#ifndef USB_DEBUG 2117184610Salfred if (bootverbose) 2118184610Salfred#endif 2119184610Salfred printf("%s:%d:%d:%d: Attached to scbus%d\n", 2120184610Salfred sc->sc_name, cam_sim_path(sc->sc_sim), 2121184610Salfred sc->sc_unit, CAM_LUN_WILDCARD, 2122184610Salfred cam_sim_path(sc->sc_sim)); 2123184610Salfred} 2124184610Salfred 2125184610Salfred/* umass_cam_detach 2126184610Salfred * detach from the CAM layer 2127184610Salfred */ 2128184610Salfred 2129184610Salfredstatic void 2130184610Salfredumass_cam_detach_sim(struct umass_softc *sc) 2131184610Salfred{ 2132188415Sthompsa if (sc->sc_sim != NULL) { 2133184610Salfred if (xpt_bus_deregister(cam_sim_path(sc->sc_sim))) { 2134184610Salfred /* accessing the softc is not possible after this */ 2135241432Smav sc->sc_sim->softc = NULL; 2136188415Sthompsa cam_sim_free(sc->sc_sim, /* free_devq */ TRUE); 2137184610Salfred } else { 2138199816Sthompsa panic("%s: CAM layer is busy\n", 2139184610Salfred sc->sc_name); 2140184610Salfred } 2141184610Salfred sc->sc_sim = NULL; 2142184610Salfred } 2143184610Salfred} 2144184610Salfred 2145184610Salfred/* umass_cam_action 2146184610Salfred * CAM requests for action come through here 2147184610Salfred */ 2148184610Salfred 2149184610Salfredstatic void 2150184610Salfredumass_cam_action(struct cam_sim *sim, union ccb *ccb) 2151184610Salfred{ 2152184610Salfred struct umass_softc *sc = (struct umass_softc *)sim->softc; 2153184610Salfred 2154241432Smav if (sc == NULL) { 2155198307Sthompsa ccb->ccb_h.status = CAM_SEL_TIMEOUT; 2156184610Salfred xpt_done(ccb); 2157184610Salfred return; 2158184610Salfred } 2159184610Salfred 2160184610Salfred /* Perform the requested action */ 2161184610Salfred switch (ccb->ccb_h.func_code) { 2162184610Salfred case XPT_SCSI_IO: 2163184610Salfred { 2164184610Salfred uint8_t *cmd; 2165184610Salfred uint8_t dir; 2166184610Salfred 2167184610Salfred if (ccb->csio.ccb_h.flags & CAM_CDB_POINTER) { 2168184610Salfred cmd = (uint8_t *)(ccb->csio.cdb_io.cdb_ptr); 2169184610Salfred } else { 2170184610Salfred cmd = (uint8_t *)(ccb->csio.cdb_io.cdb_bytes); 2171184610Salfred } 2172184610Salfred 2173184610Salfred DPRINTF(sc, UDMASS_SCSI, "%d:%d:%d:XPT_SCSI_IO: " 2174184610Salfred "cmd: 0x%02x, flags: 0x%02x, " 2175184610Salfred "%db cmd/%db data/%db sense\n", 2176184610Salfred cam_sim_path(sc->sc_sim), ccb->ccb_h.target_id, 2177184610Salfred ccb->ccb_h.target_lun, cmd[0], 2178184610Salfred ccb->ccb_h.flags & CAM_DIR_MASK, ccb->csio.cdb_len, 2179184610Salfred ccb->csio.dxfer_len, ccb->csio.sense_len); 2180184610Salfred 2181184610Salfred if (sc->sc_transfer.ccb) { 2182184610Salfred DPRINTF(sc, UDMASS_SCSI, "%d:%d:%d:XPT_SCSI_IO: " 2183184610Salfred "I/O in progress, deferring\n", 2184184610Salfred cam_sim_path(sc->sc_sim), ccb->ccb_h.target_id, 2185184610Salfred ccb->ccb_h.target_lun); 2186184610Salfred ccb->ccb_h.status = CAM_SCSI_BUSY; 2187184610Salfred xpt_done(ccb); 2188184610Salfred goto done; 2189184610Salfred } 2190184610Salfred switch (ccb->ccb_h.flags & CAM_DIR_MASK) { 2191184610Salfred case CAM_DIR_IN: 2192184610Salfred dir = DIR_IN; 2193184610Salfred break; 2194184610Salfred case CAM_DIR_OUT: 2195184610Salfred dir = DIR_OUT; 2196184610Salfred DIF(UDMASS_SCSI, 2197184610Salfred umass_dump_buffer(sc, ccb->csio.data_ptr, 2198184610Salfred ccb->csio.dxfer_len, 48)); 2199184610Salfred break; 2200184610Salfred default: 2201184610Salfred dir = DIR_NONE; 2202184610Salfred } 2203184610Salfred 2204184610Salfred ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED; 2205184610Salfred 2206184610Salfred /* 2207184610Salfred * sc->sc_transform will convert the command to the 2208184610Salfred * command format needed by the specific command set 2209184610Salfred * and return the converted command in 2210184610Salfred * "sc->sc_transfer.cmd_data" 2211184610Salfred */ 2212184610Salfred if (umass_std_transform(sc, ccb, cmd, ccb->csio.cdb_len)) { 2213184610Salfred 2214184610Salfred if (sc->sc_transfer.cmd_data[0] == INQUIRY) { 2215212136Sthompsa const char *pserial; 2216184610Salfred 2217212136Sthompsa pserial = usb_get_serial(sc->sc_udev); 2218212136Sthompsa 2219184610Salfred /* 2220196826Strasz * Umass devices don't generally report their serial numbers 2221196826Strasz * in the usual SCSI way. Emulate it here. 2222196826Strasz */ 2223196826Strasz if ((sc->sc_transfer.cmd_data[1] & SI_EVPD) && 2224212136Sthompsa (sc->sc_transfer.cmd_data[2] == SVPD_UNIT_SERIAL_NUMBER) && 2225212136Sthompsa (pserial[0] != '\0')) { 2226196826Strasz struct scsi_vpd_unit_serial_number *vpd_serial; 2227196826Strasz 2228196826Strasz vpd_serial = (struct scsi_vpd_unit_serial_number *)ccb->csio.data_ptr; 2229212136Sthompsa vpd_serial->length = strlen(pserial); 2230196826Strasz if (vpd_serial->length > sizeof(vpd_serial->serial_num)) 2231196826Strasz vpd_serial->length = sizeof(vpd_serial->serial_num); 2232212136Sthompsa memcpy(vpd_serial->serial_num, pserial, vpd_serial->length); 2233196826Strasz ccb->csio.scsi_status = SCSI_STATUS_OK; 2234196826Strasz ccb->ccb_h.status = CAM_REQ_CMP; 2235196826Strasz xpt_done(ccb); 2236196826Strasz goto done; 2237196826Strasz } 2238196826Strasz 2239196826Strasz /* 2240184610Salfred * Handle EVPD inquiry for broken devices first 2241184610Salfred * NO_INQUIRY also implies NO_INQUIRY_EVPD 2242184610Salfred */ 2243184610Salfred if ((sc->sc_quirks & (NO_INQUIRY_EVPD | NO_INQUIRY)) && 2244184610Salfred (sc->sc_transfer.cmd_data[1] & SI_EVPD)) { 2245184610Salfred 2246225950Sken scsi_set_sense_data(&ccb->csio.sense_data, 2247225950Sken /*sense_format*/ SSD_TYPE_NONE, 2248225950Sken /*current_error*/ 1, 2249225950Sken /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 2250225950Sken /*asc*/ 0x24, 2251225950Sken /*ascq*/ 0x00, 2252225950Sken /*extra args*/ SSD_ELEM_NONE); 2253184610Salfred ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 2254184610Salfred ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR | 2255184610Salfred CAM_AUTOSNS_VALID; 2256184610Salfred xpt_done(ccb); 2257184610Salfred goto done; 2258184610Salfred } 2259184610Salfred /* 2260184610Salfred * Return fake inquiry data for 2261184610Salfred * broken devices 2262184610Salfred */ 2263184610Salfred if (sc->sc_quirks & NO_INQUIRY) { 2264184610Salfred memcpy(ccb->csio.data_ptr, &fake_inq_data, 2265184610Salfred sizeof(fake_inq_data)); 2266184610Salfred ccb->csio.scsi_status = SCSI_STATUS_OK; 2267184610Salfred ccb->ccb_h.status = CAM_REQ_CMP; 2268184610Salfred xpt_done(ccb); 2269184610Salfred goto done; 2270184610Salfred } 2271184610Salfred if (sc->sc_quirks & FORCE_SHORT_INQUIRY) { 2272184610Salfred ccb->csio.dxfer_len = SHORT_INQUIRY_LENGTH; 2273184610Salfred } 2274242628Smarcel } else if (sc->sc_transfer.cmd_data[0] == PREVENT_ALLOW) { 2275242628Smarcel if (sc->sc_quirks & NO_PREVENT_ALLOW) { 2276242628Smarcel ccb->csio.scsi_status = SCSI_STATUS_OK; 2277242628Smarcel ccb->ccb_h.status = CAM_REQ_CMP; 2278242628Smarcel xpt_done(ccb); 2279242628Smarcel goto done; 2280242628Smarcel } 2281184610Salfred } else if (sc->sc_transfer.cmd_data[0] == SYNCHRONIZE_CACHE) { 2282184610Salfred if (sc->sc_quirks & NO_SYNCHRONIZE_CACHE) { 2283184610Salfred ccb->csio.scsi_status = SCSI_STATUS_OK; 2284184610Salfred ccb->ccb_h.status = CAM_REQ_CMP; 2285184610Salfred xpt_done(ccb); 2286184610Salfred goto done; 2287184610Salfred } 2288184610Salfred } 2289184610Salfred umass_command_start(sc, dir, ccb->csio.data_ptr, 2290184610Salfred ccb->csio.dxfer_len, 2291184610Salfred ccb->ccb_h.timeout, 2292184610Salfred &umass_cam_cb, ccb); 2293184610Salfred } 2294184610Salfred break; 2295184610Salfred } 2296184610Salfred case XPT_PATH_INQ: 2297184610Salfred { 2298184610Salfred struct ccb_pathinq *cpi = &ccb->cpi; 2299184610Salfred 2300184610Salfred DPRINTF(sc, UDMASS_SCSI, "%d:%d:%d:XPT_PATH_INQ:.\n", 2301184610Salfred sc ? cam_sim_path(sc->sc_sim) : -1, ccb->ccb_h.target_id, 2302184610Salfred ccb->ccb_h.target_lun); 2303184610Salfred 2304184610Salfred /* host specific information */ 2305184610Salfred cpi->version_num = 1; 2306184610Salfred cpi->hba_inquiry = 0; 2307184610Salfred cpi->target_sprt = 0; 2308184610Salfred cpi->hba_misc = PIM_NO_6_BYTE; 2309184610Salfred cpi->hba_eng_cnt = 0; 2310184610Salfred cpi->max_target = UMASS_SCSIID_MAX; /* one target */ 2311184610Salfred cpi->initiator_id = UMASS_SCSIID_HOST; 2312184610Salfred strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2313184610Salfred strlcpy(cpi->hba_vid, "USB SCSI", HBA_IDLEN); 2314184610Salfred strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 2315184610Salfred cpi->unit_number = cam_sim_unit(sim); 2316184610Salfred cpi->bus_id = sc->sc_unit; 2317184610Salfred cpi->protocol = PROTO_SCSI; 2318184610Salfred cpi->protocol_version = SCSI_REV_2; 2319184610Salfred cpi->transport = XPORT_USB; 2320184610Salfred cpi->transport_version = 0; 2321232361Shselasky 2322184610Salfred if (sc == NULL) { 2323184610Salfred cpi->base_transfer_speed = 0; 2324184610Salfred cpi->max_lun = 0; 2325184610Salfred } else { 2326184610Salfred if (sc->sc_quirks & FLOPPY_SPEED) { 2327184610Salfred cpi->base_transfer_speed = 2328184610Salfred UMASS_FLOPPY_TRANSFER_SPEED; 2329184610Salfred } else { 2330213439Shselasky switch (usbd_get_speed(sc->sc_udev)) { 2331213439Shselasky case USB_SPEED_SUPER: 2332213439Shselasky cpi->base_transfer_speed = 2333213439Shselasky UMASS_SUPER_TRANSFER_SPEED; 2334213931Smav cpi->maxio = MAXPHYS; 2335213439Shselasky break; 2336213439Shselasky case USB_SPEED_HIGH: 2337213439Shselasky cpi->base_transfer_speed = 2338213439Shselasky UMASS_HIGH_TRANSFER_SPEED; 2339213439Shselasky break; 2340213439Shselasky default: 2341213439Shselasky cpi->base_transfer_speed = 2342213439Shselasky UMASS_FULL_TRANSFER_SPEED; 2343213439Shselasky break; 2344213439Shselasky } 2345184610Salfred } 2346184610Salfred cpi->max_lun = sc->sc_maxlun; 2347184610Salfred } 2348184610Salfred 2349184610Salfred cpi->ccb_h.status = CAM_REQ_CMP; 2350184610Salfred xpt_done(ccb); 2351184610Salfred break; 2352184610Salfred } 2353184610Salfred case XPT_RESET_DEV: 2354184610Salfred { 2355184610Salfred DPRINTF(sc, UDMASS_SCSI, "%d:%d:%d:XPT_RESET_DEV:.\n", 2356184610Salfred cam_sim_path(sc->sc_sim), ccb->ccb_h.target_id, 2357184610Salfred ccb->ccb_h.target_lun); 2358184610Salfred 2359184610Salfred umass_reset(sc); 2360184610Salfred 2361184610Salfred ccb->ccb_h.status = CAM_REQ_CMP; 2362184610Salfred xpt_done(ccb); 2363184610Salfred break; 2364184610Salfred } 2365184610Salfred case XPT_GET_TRAN_SETTINGS: 2366184610Salfred { 2367184610Salfred struct ccb_trans_settings *cts = &ccb->cts; 2368184610Salfred 2369184610Salfred DPRINTF(sc, UDMASS_SCSI, "%d:%d:%d:XPT_GET_TRAN_SETTINGS:.\n", 2370184610Salfred cam_sim_path(sc->sc_sim), ccb->ccb_h.target_id, 2371184610Salfred ccb->ccb_h.target_lun); 2372184610Salfred 2373184610Salfred cts->protocol = PROTO_SCSI; 2374184610Salfred cts->protocol_version = SCSI_REV_2; 2375184610Salfred cts->transport = XPORT_USB; 2376184610Salfred cts->transport_version = 0; 2377184610Salfred cts->xport_specific.valid = 0; 2378232361Shselasky 2379184610Salfred ccb->ccb_h.status = CAM_REQ_CMP; 2380184610Salfred xpt_done(ccb); 2381184610Salfred break; 2382184610Salfred } 2383184610Salfred case XPT_SET_TRAN_SETTINGS: 2384184610Salfred { 2385184610Salfred DPRINTF(sc, UDMASS_SCSI, "%d:%d:%d:XPT_SET_TRAN_SETTINGS:.\n", 2386184610Salfred cam_sim_path(sc->sc_sim), ccb->ccb_h.target_id, 2387184610Salfred ccb->ccb_h.target_lun); 2388184610Salfred 2389184610Salfred ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 2390184610Salfred xpt_done(ccb); 2391184610Salfred break; 2392184610Salfred } 2393184610Salfred case XPT_CALC_GEOMETRY: 2394184610Salfred { 2395184610Salfred cam_calc_geometry(&ccb->ccg, /* extended */ 1); 2396184610Salfred xpt_done(ccb); 2397184610Salfred break; 2398184610Salfred } 2399184610Salfred case XPT_NOOP: 2400184610Salfred { 2401184610Salfred DPRINTF(sc, UDMASS_SCSI, "%d:%d:%d:XPT_NOOP:.\n", 2402184610Salfred sc ? cam_sim_path(sc->sc_sim) : -1, ccb->ccb_h.target_id, 2403184610Salfred ccb->ccb_h.target_lun); 2404184610Salfred 2405184610Salfred ccb->ccb_h.status = CAM_REQ_CMP; 2406184610Salfred xpt_done(ccb); 2407184610Salfred break; 2408184610Salfred } 2409184610Salfred default: 2410184610Salfred DPRINTF(sc, UDMASS_SCSI, "%d:%d:%d:func_code 0x%04x: " 2411184610Salfred "Not implemented\n", 2412184610Salfred sc ? cam_sim_path(sc->sc_sim) : -1, ccb->ccb_h.target_id, 2413184610Salfred ccb->ccb_h.target_lun, ccb->ccb_h.func_code); 2414184610Salfred 2415184610Salfred ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 2416184610Salfred xpt_done(ccb); 2417184610Salfred break; 2418184610Salfred } 2419184610Salfred 2420184610Salfreddone: 2421184610Salfred return; 2422184610Salfred} 2423184610Salfred 2424184610Salfredstatic void 2425184610Salfredumass_cam_poll(struct cam_sim *sim) 2426184610Salfred{ 2427184610Salfred struct umass_softc *sc = (struct umass_softc *)sim->softc; 2428184610Salfred 2429241432Smav if (sc == NULL) 2430184610Salfred return; 2431184610Salfred 2432184610Salfred DPRINTF(sc, UDMASS_SCSI, "CAM poll\n"); 2433184610Salfred 2434194677Sthompsa usbd_transfer_poll(sc->sc_xfer, UMASS_T_MAX); 2435184610Salfred} 2436184610Salfred 2437184610Salfred 2438184610Salfred/* umass_cam_cb 2439184610Salfred * finalise a completed CAM command 2440184610Salfred */ 2441184610Salfred 2442184610Salfredstatic void 2443184610Salfredumass_cam_cb(struct umass_softc *sc, union ccb *ccb, uint32_t residue, 2444184610Salfred uint8_t status) 2445184610Salfred{ 2446184610Salfred ccb->csio.resid = residue; 2447184610Salfred 2448184610Salfred switch (status) { 2449184610Salfred case STATUS_CMD_OK: 2450184610Salfred ccb->ccb_h.status = CAM_REQ_CMP; 2451184610Salfred if ((sc->sc_quirks & READ_CAPACITY_OFFBY1) && 2452184610Salfred (ccb->ccb_h.func_code == XPT_SCSI_IO) && 2453184610Salfred (ccb->csio.cdb_io.cdb_bytes[0] == READ_CAPACITY)) { 2454184610Salfred struct scsi_read_capacity_data *rcap; 2455184610Salfred uint32_t maxsector; 2456184610Salfred 2457184610Salfred rcap = (void *)(ccb->csio.data_ptr); 2458184610Salfred maxsector = scsi_4btoul(rcap->addr) - 1; 2459184610Salfred scsi_ulto4b(maxsector, rcap->addr); 2460184610Salfred } 2461196826Strasz /* 2462196826Strasz * We have to add SVPD_UNIT_SERIAL_NUMBER to the list 2463196826Strasz * of pages supported by the device - otherwise, CAM 2464196826Strasz * will never ask us for the serial number if the 2465196826Strasz * device cannot handle that by itself. 2466196826Strasz */ 2467196826Strasz if (ccb->ccb_h.func_code == XPT_SCSI_IO && 2468196826Strasz sc->sc_transfer.cmd_data[0] == INQUIRY && 2469196826Strasz (sc->sc_transfer.cmd_data[1] & SI_EVPD) && 2470196826Strasz sc->sc_transfer.cmd_data[2] == SVPD_SUPPORTED_PAGE_LIST && 2471212136Sthompsa (usb_get_serial(sc->sc_udev)[0] != '\0')) { 2472196826Strasz struct ccb_scsiio *csio; 2473196826Strasz struct scsi_vpd_supported_page_list *page_list; 2474196826Strasz 2475196826Strasz csio = &ccb->csio; 2476196826Strasz page_list = (struct scsi_vpd_supported_page_list *)csio->data_ptr; 2477196826Strasz if (page_list->length + 1 < SVPD_SUPPORTED_PAGES_SIZE) { 2478196826Strasz page_list->list[page_list->length] = SVPD_UNIT_SERIAL_NUMBER; 2479196826Strasz page_list->length++; 2480196826Strasz } 2481196826Strasz } 2482184610Salfred xpt_done(ccb); 2483184610Salfred break; 2484184610Salfred 2485184610Salfred case STATUS_CMD_UNKNOWN: 2486184610Salfred case STATUS_CMD_FAILED: 2487184610Salfred 2488184610Salfred /* fetch sense data */ 2489184610Salfred 2490184610Salfred /* the rest of the command was filled in at attach */ 2491184610Salfred sc->cam_scsi_sense.length = ccb->csio.sense_len; 2492184610Salfred 2493184610Salfred DPRINTF(sc, UDMASS_SCSI, "Fetching %d bytes of " 2494184610Salfred "sense data\n", ccb->csio.sense_len); 2495184610Salfred 2496184610Salfred if (umass_std_transform(sc, ccb, &sc->cam_scsi_sense.opcode, 2497184610Salfred sizeof(sc->cam_scsi_sense))) { 2498184610Salfred 2499184610Salfred if ((sc->sc_quirks & FORCE_SHORT_INQUIRY) && 2500184610Salfred (sc->sc_transfer.cmd_data[0] == INQUIRY)) { 2501184610Salfred ccb->csio.sense_len = SHORT_INQUIRY_LENGTH; 2502184610Salfred } 2503184610Salfred umass_command_start(sc, DIR_IN, &ccb->csio.sense_data.error_code, 2504184610Salfred ccb->csio.sense_len, ccb->ccb_h.timeout, 2505184610Salfred &umass_cam_sense_cb, ccb); 2506184610Salfred } 2507184610Salfred break; 2508184610Salfred 2509184610Salfred default: 2510184610Salfred /* 2511203146Sthompsa * The wire protocol failed and will hopefully have 2512203146Sthompsa * recovered. We return an error to CAM and let CAM 2513220535Smav * retry the command if necessary. 2514184610Salfred */ 2515220535Smav ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2516184610Salfred xpt_done(ccb); 2517184610Salfred break; 2518184610Salfred } 2519184610Salfred} 2520184610Salfred 2521184610Salfred/* 2522184610Salfred * Finalise a completed autosense operation 2523184610Salfred */ 2524184610Salfredstatic void 2525184610Salfredumass_cam_sense_cb(struct umass_softc *sc, union ccb *ccb, uint32_t residue, 2526184610Salfred uint8_t status) 2527184610Salfred{ 2528184610Salfred uint8_t *cmd; 2529184610Salfred 2530184610Salfred switch (status) { 2531184610Salfred case STATUS_CMD_OK: 2532184610Salfred case STATUS_CMD_UNKNOWN: 2533225950Sken case STATUS_CMD_FAILED: { 2534225950Sken int key, sense_len; 2535184610Salfred 2536225950Sken ccb->csio.sense_resid = residue; 2537225950Sken sense_len = ccb->csio.sense_len - ccb->csio.sense_resid; 2538225950Sken key = scsi_get_sense_key(&ccb->csio.sense_data, sense_len, 2539225950Sken /*show_errors*/ 1); 2540225950Sken 2541184610Salfred if (ccb->csio.ccb_h.flags & CAM_CDB_POINTER) { 2542184610Salfred cmd = (uint8_t *)(ccb->csio.cdb_io.cdb_ptr); 2543184610Salfred } else { 2544184610Salfred cmd = (uint8_t *)(ccb->csio.cdb_io.cdb_bytes); 2545184610Salfred } 2546184610Salfred 2547184610Salfred /* 2548184610Salfred * Getting sense data always succeeds (apart from wire 2549184610Salfred * failures): 2550184610Salfred */ 2551184610Salfred if ((sc->sc_quirks & RS_NO_CLEAR_UA) && 2552184610Salfred (cmd[0] == INQUIRY) && 2553184610Salfred (key == SSD_KEY_UNIT_ATTENTION)) { 2554184610Salfred /* 2555184610Salfred * Ignore unit attention errors in the case where 2556184610Salfred * the Unit Attention state is not cleared on 2557184610Salfred * REQUEST SENSE. They will appear again at the next 2558184610Salfred * command. 2559184610Salfred */ 2560184610Salfred ccb->ccb_h.status = CAM_REQ_CMP; 2561184610Salfred } else if (key == SSD_KEY_NO_SENSE) { 2562184610Salfred /* 2563184610Salfred * No problem after all (in the case of CBI without 2564184610Salfred * CCI) 2565184610Salfred */ 2566184610Salfred ccb->ccb_h.status = CAM_REQ_CMP; 2567184610Salfred } else if ((sc->sc_quirks & RS_NO_CLEAR_UA) && 2568184610Salfred (cmd[0] == READ_CAPACITY) && 2569184610Salfred (key == SSD_KEY_UNIT_ATTENTION)) { 2570184610Salfred /* 2571184610Salfred * Some devices do not clear the unit attention error 2572184610Salfred * on request sense. We insert a test unit ready 2573184610Salfred * command to make sure we clear the unit attention 2574184610Salfred * condition, then allow the retry to proceed as 2575184610Salfred * usual. 2576184610Salfred */ 2577184610Salfred 2578184610Salfred ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 2579184610Salfred | CAM_AUTOSNS_VALID; 2580184610Salfred ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 2581184610Salfred 2582184610Salfred#if 0 2583184610Salfred DELAY(300000); 2584184610Salfred#endif 2585184610Salfred DPRINTF(sc, UDMASS_SCSI, "Doing a sneaky" 2586184610Salfred "TEST_UNIT_READY\n"); 2587184610Salfred 2588184610Salfred /* the rest of the command was filled in at attach */ 2589184610Salfred 2590184610Salfred if (umass_std_transform(sc, ccb, 2591184610Salfred &sc->cam_scsi_test_unit_ready.opcode, 2592184610Salfred sizeof(sc->cam_scsi_test_unit_ready))) { 2593184610Salfred umass_command_start(sc, DIR_NONE, NULL, 0, 2594184610Salfred ccb->ccb_h.timeout, 2595184610Salfred &umass_cam_quirk_cb, ccb); 2596184610Salfred } 2597184610Salfred break; 2598184610Salfred } else { 2599184610Salfred ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 2600184610Salfred | CAM_AUTOSNS_VALID; 2601184610Salfred ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 2602184610Salfred } 2603184610Salfred xpt_done(ccb); 2604184610Salfred break; 2605225950Sken } 2606184610Salfred default: 2607184610Salfred DPRINTF(sc, UDMASS_SCSI, "Autosense failed, " 2608184610Salfred "status %d\n", status); 2609184610Salfred ccb->ccb_h.status = CAM_AUTOSENSE_FAIL; 2610184610Salfred xpt_done(ccb); 2611184610Salfred } 2612184610Salfred} 2613184610Salfred 2614184610Salfred/* 2615184610Salfred * This completion code just handles the fact that we sent a test-unit-ready 2616184610Salfred * after having previously failed a READ CAPACITY with CHECK_COND. Even 2617184610Salfred * though this command succeeded, we have to tell CAM to retry. 2618184610Salfred */ 2619184610Salfredstatic void 2620184610Salfredumass_cam_quirk_cb(struct umass_softc *sc, union ccb *ccb, uint32_t residue, 2621184610Salfred uint8_t status) 2622184610Salfred{ 2623184610Salfred DPRINTF(sc, UDMASS_SCSI, "Test unit ready " 2624184610Salfred "returned status %d\n", status); 2625184610Salfred 2626184610Salfred ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 2627184610Salfred | CAM_AUTOSNS_VALID; 2628184610Salfred ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 2629184610Salfred xpt_done(ccb); 2630184610Salfred} 2631184610Salfred 2632184610Salfred/* 2633184610Salfred * SCSI specific functions 2634184610Salfred */ 2635184610Salfred 2636184610Salfredstatic uint8_t 2637184610Salfredumass_scsi_transform(struct umass_softc *sc, uint8_t *cmd_ptr, 2638184610Salfred uint8_t cmd_len) 2639184610Salfred{ 2640184610Salfred if ((cmd_len == 0) || 2641184610Salfred (cmd_len > sizeof(sc->sc_transfer.cmd_data))) { 2642184610Salfred DPRINTF(sc, UDMASS_SCSI, "Invalid command " 2643184610Salfred "length: %d bytes\n", cmd_len); 2644184610Salfred return (0); /* failure */ 2645184610Salfred } 2646184610Salfred sc->sc_transfer.cmd_len = cmd_len; 2647184610Salfred 2648184610Salfred switch (cmd_ptr[0]) { 2649184610Salfred case TEST_UNIT_READY: 2650184610Salfred if (sc->sc_quirks & NO_TEST_UNIT_READY) { 2651184610Salfred DPRINTF(sc, UDMASS_SCSI, "Converted TEST_UNIT_READY " 2652184610Salfred "to START_UNIT\n"); 2653227461Shselasky memset(sc->sc_transfer.cmd_data, 0, cmd_len); 2654184610Salfred sc->sc_transfer.cmd_data[0] = START_STOP_UNIT; 2655184610Salfred sc->sc_transfer.cmd_data[4] = SSS_START; 2656184610Salfred return (1); 2657184610Salfred } 2658184610Salfred break; 2659184610Salfred 2660184610Salfred case INQUIRY: 2661184610Salfred /* 2662184610Salfred * some drives wedge when asked for full inquiry 2663184610Salfred * information. 2664184610Salfred */ 2665184610Salfred if (sc->sc_quirks & FORCE_SHORT_INQUIRY) { 2666227461Shselasky memcpy(sc->sc_transfer.cmd_data, cmd_ptr, cmd_len); 2667184610Salfred sc->sc_transfer.cmd_data[4] = SHORT_INQUIRY_LENGTH; 2668184610Salfred return (1); 2669184610Salfred } 2670184610Salfred break; 2671184610Salfred } 2672184610Salfred 2673227461Shselasky memcpy(sc->sc_transfer.cmd_data, cmd_ptr, cmd_len); 2674184610Salfred return (1); 2675184610Salfred} 2676184610Salfred 2677184610Salfredstatic uint8_t 2678184610Salfredumass_rbc_transform(struct umass_softc *sc, uint8_t *cmd_ptr, uint8_t cmd_len) 2679184610Salfred{ 2680184610Salfred if ((cmd_len == 0) || 2681184610Salfred (cmd_len > sizeof(sc->sc_transfer.cmd_data))) { 2682184610Salfred DPRINTF(sc, UDMASS_SCSI, "Invalid command " 2683184610Salfred "length: %d bytes\n", cmd_len); 2684184610Salfred return (0); /* failure */ 2685184610Salfred } 2686184610Salfred switch (cmd_ptr[0]) { 2687184610Salfred /* these commands are defined in RBC: */ 2688184610Salfred case READ_10: 2689184610Salfred case READ_CAPACITY: 2690184610Salfred case START_STOP_UNIT: 2691184610Salfred case SYNCHRONIZE_CACHE: 2692184610Salfred case WRITE_10: 2693184610Salfred case 0x2f: /* VERIFY_10 is absent from 2694184610Salfred * scsi_all.h??? */ 2695184610Salfred case INQUIRY: 2696184610Salfred case MODE_SELECT_10: 2697184610Salfred case MODE_SENSE_10: 2698184610Salfred case TEST_UNIT_READY: 2699184610Salfred case WRITE_BUFFER: 2700184610Salfred /* 2701184610Salfred * The following commands are not listed in my copy of the 2702184610Salfred * RBC specs. CAM however seems to want those, and at least 2703184610Salfred * the Sony DSC device appears to support those as well 2704184610Salfred */ 2705184610Salfred case REQUEST_SENSE: 2706184610Salfred case PREVENT_ALLOW: 2707184610Salfred 2708227461Shselasky memcpy(sc->sc_transfer.cmd_data, cmd_ptr, cmd_len); 2709184610Salfred 2710184610Salfred if ((sc->sc_quirks & RBC_PAD_TO_12) && (cmd_len < 12)) { 2711227461Shselasky memset(sc->sc_transfer.cmd_data + cmd_len, 2712227461Shselasky 0, 12 - cmd_len); 2713184610Salfred cmd_len = 12; 2714184610Salfred } 2715184610Salfred sc->sc_transfer.cmd_len = cmd_len; 2716184610Salfred return (1); /* sucess */ 2717184610Salfred 2718184610Salfred /* All other commands are not legal in RBC */ 2719184610Salfred default: 2720184610Salfred DPRINTF(sc, UDMASS_SCSI, "Unsupported RBC " 2721184610Salfred "command 0x%02x\n", cmd_ptr[0]); 2722184610Salfred return (0); /* failure */ 2723184610Salfred } 2724184610Salfred} 2725184610Salfred 2726184610Salfredstatic uint8_t 2727184610Salfredumass_ufi_transform(struct umass_softc *sc, uint8_t *cmd_ptr, 2728184610Salfred uint8_t cmd_len) 2729184610Salfred{ 2730184610Salfred if ((cmd_len == 0) || 2731184610Salfred (cmd_len > sizeof(sc->sc_transfer.cmd_data))) { 2732184610Salfred DPRINTF(sc, UDMASS_SCSI, "Invalid command " 2733184610Salfred "length: %d bytes\n", cmd_len); 2734184610Salfred return (0); /* failure */ 2735184610Salfred } 2736184610Salfred /* An UFI command is always 12 bytes in length */ 2737184610Salfred sc->sc_transfer.cmd_len = UFI_COMMAND_LENGTH; 2738184610Salfred 2739184610Salfred /* Zero the command data */ 2740227461Shselasky memset(sc->sc_transfer.cmd_data, 0, UFI_COMMAND_LENGTH); 2741184610Salfred 2742184610Salfred switch (cmd_ptr[0]) { 2743184610Salfred /* 2744184610Salfred * Commands of which the format has been verified. They 2745184610Salfred * should work. Copy the command into the (zeroed out) 2746184610Salfred * destination buffer. 2747184610Salfred */ 2748184610Salfred case TEST_UNIT_READY: 2749184610Salfred if (sc->sc_quirks & NO_TEST_UNIT_READY) { 2750184610Salfred /* 2751184610Salfred * Some devices do not support this command. Start 2752184610Salfred * Stop Unit should give the same results 2753184610Salfred */ 2754184610Salfred DPRINTF(sc, UDMASS_UFI, "Converted TEST_UNIT_READY " 2755184610Salfred "to START_UNIT\n"); 2756184610Salfred 2757184610Salfred sc->sc_transfer.cmd_data[0] = START_STOP_UNIT; 2758184610Salfred sc->sc_transfer.cmd_data[4] = SSS_START; 2759184610Salfred return (1); 2760184610Salfred } 2761184610Salfred break; 2762184610Salfred 2763184610Salfred case REZERO_UNIT: 2764184610Salfred case REQUEST_SENSE: 2765184610Salfred case FORMAT_UNIT: 2766184610Salfred case INQUIRY: 2767184610Salfred case START_STOP_UNIT: 2768184610Salfred case SEND_DIAGNOSTIC: 2769184610Salfred case PREVENT_ALLOW: 2770184610Salfred case READ_CAPACITY: 2771184610Salfred case READ_10: 2772184610Salfred case WRITE_10: 2773184610Salfred case POSITION_TO_ELEMENT: /* SEEK_10 */ 2774184610Salfred case WRITE_AND_VERIFY: 2775184610Salfred case VERIFY: 2776184610Salfred case MODE_SELECT_10: 2777184610Salfred case MODE_SENSE_10: 2778184610Salfred case READ_12: 2779184610Salfred case WRITE_12: 2780184610Salfred case READ_FORMAT_CAPACITIES: 2781184610Salfred break; 2782184610Salfred 2783184610Salfred /* 2784184610Salfred * SYNCHRONIZE_CACHE isn't supported by UFI, nor should it be 2785184610Salfred * required for UFI devices, so it is appropriate to fake 2786184610Salfred * success. 2787184610Salfred */ 2788184610Salfred case SYNCHRONIZE_CACHE: 2789184610Salfred return (2); 2790184610Salfred 2791184610Salfred default: 2792184610Salfred DPRINTF(sc, UDMASS_SCSI, "Unsupported UFI " 2793184610Salfred "command 0x%02x\n", cmd_ptr[0]); 2794184610Salfred return (0); /* failure */ 2795184610Salfred } 2796184610Salfred 2797227461Shselasky memcpy(sc->sc_transfer.cmd_data, cmd_ptr, cmd_len); 2798184610Salfred return (1); /* success */ 2799184610Salfred} 2800184610Salfred 2801184610Salfred/* 2802184610Salfred * 8070i (ATAPI) specific functions 2803184610Salfred */ 2804184610Salfredstatic uint8_t 2805184610Salfredumass_atapi_transform(struct umass_softc *sc, uint8_t *cmd_ptr, 2806184610Salfred uint8_t cmd_len) 2807184610Salfred{ 2808184610Salfred if ((cmd_len == 0) || 2809184610Salfred (cmd_len > sizeof(sc->sc_transfer.cmd_data))) { 2810184610Salfred DPRINTF(sc, UDMASS_SCSI, "Invalid command " 2811184610Salfred "length: %d bytes\n", cmd_len); 2812184610Salfred return (0); /* failure */ 2813184610Salfred } 2814184610Salfred /* An ATAPI command is always 12 bytes in length. */ 2815184610Salfred sc->sc_transfer.cmd_len = ATAPI_COMMAND_LENGTH; 2816184610Salfred 2817184610Salfred /* Zero the command data */ 2818227461Shselasky memset(sc->sc_transfer.cmd_data, 0, ATAPI_COMMAND_LENGTH); 2819184610Salfred 2820184610Salfred switch (cmd_ptr[0]) { 2821184610Salfred /* 2822184610Salfred * Commands of which the format has been verified. They 2823184610Salfred * should work. Copy the command into the destination 2824184610Salfred * buffer. 2825184610Salfred */ 2826184610Salfred case INQUIRY: 2827184610Salfred /* 2828184610Salfred * some drives wedge when asked for full inquiry 2829184610Salfred * information. 2830184610Salfred */ 2831184610Salfred if (sc->sc_quirks & FORCE_SHORT_INQUIRY) { 2832227461Shselasky memcpy(sc->sc_transfer.cmd_data, cmd_ptr, cmd_len); 2833184610Salfred 2834184610Salfred sc->sc_transfer.cmd_data[4] = SHORT_INQUIRY_LENGTH; 2835184610Salfred return (1); 2836184610Salfred } 2837184610Salfred break; 2838184610Salfred 2839184610Salfred case TEST_UNIT_READY: 2840184610Salfred if (sc->sc_quirks & NO_TEST_UNIT_READY) { 2841184610Salfred DPRINTF(sc, UDMASS_SCSI, "Converted TEST_UNIT_READY " 2842184610Salfred "to START_UNIT\n"); 2843184610Salfred sc->sc_transfer.cmd_data[0] = START_STOP_UNIT; 2844184610Salfred sc->sc_transfer.cmd_data[4] = SSS_START; 2845184610Salfred return (1); 2846184610Salfred } 2847184610Salfred break; 2848184610Salfred 2849184610Salfred case REZERO_UNIT: 2850184610Salfred case REQUEST_SENSE: 2851184610Salfred case START_STOP_UNIT: 2852184610Salfred case SEND_DIAGNOSTIC: 2853184610Salfred case PREVENT_ALLOW: 2854184610Salfred case READ_CAPACITY: 2855184610Salfred case READ_10: 2856184610Salfred case WRITE_10: 2857184610Salfred case POSITION_TO_ELEMENT: /* SEEK_10 */ 2858184610Salfred case SYNCHRONIZE_CACHE: 2859184610Salfred case MODE_SELECT_10: 2860184610Salfred case MODE_SENSE_10: 2861184610Salfred case READ_BUFFER: 2862184610Salfred case 0x42: /* READ_SUBCHANNEL */ 2863184610Salfred case 0x43: /* READ_TOC */ 2864184610Salfred case 0x44: /* READ_HEADER */ 2865184610Salfred case 0x47: /* PLAY_MSF (Play Minute/Second/Frame) */ 2866184610Salfred case 0x48: /* PLAY_TRACK */ 2867184610Salfred case 0x49: /* PLAY_TRACK_REL */ 2868184610Salfred case 0x4b: /* PAUSE */ 2869184610Salfred case 0x51: /* READ_DISK_INFO */ 2870184610Salfred case 0x52: /* READ_TRACK_INFO */ 2871184610Salfred case 0x54: /* SEND_OPC */ 2872184610Salfred case 0x59: /* READ_MASTER_CUE */ 2873184610Salfred case 0x5b: /* CLOSE_TR_SESSION */ 2874184610Salfred case 0x5c: /* READ_BUFFER_CAP */ 2875184610Salfred case 0x5d: /* SEND_CUE_SHEET */ 2876184610Salfred case 0xa1: /* BLANK */ 2877184610Salfred case 0xa5: /* PLAY_12 */ 2878184610Salfred case 0xa6: /* EXCHANGE_MEDIUM */ 2879184610Salfred case 0xad: /* READ_DVD_STRUCTURE */ 2880184610Salfred case 0xbb: /* SET_CD_SPEED */ 2881184610Salfred case 0xe5: /* READ_TRACK_INFO_PHILIPS */ 2882201758Smbr break; 2883184610Salfred 2884184610Salfred case READ_12: 2885184610Salfred case WRITE_12: 2886184610Salfred default: 2887184610Salfred DPRINTF(sc, UDMASS_SCSI, "Unsupported ATAPI " 2888184610Salfred "command 0x%02x - trying anyway\n", 2889184610Salfred cmd_ptr[0]); 2890201758Smbr break; 2891184610Salfred } 2892184610Salfred 2893227461Shselasky memcpy(sc->sc_transfer.cmd_data, cmd_ptr, cmd_len); 2894184610Salfred return (1); /* success */ 2895184610Salfred} 2896184610Salfred 2897184610Salfredstatic uint8_t 2898184610Salfredumass_no_transform(struct umass_softc *sc, uint8_t *cmd, 2899184610Salfred uint8_t cmdlen) 2900184610Salfred{ 2901184610Salfred return (0); /* failure */ 2902184610Salfred} 2903184610Salfred 2904184610Salfredstatic uint8_t 2905184610Salfredumass_std_transform(struct umass_softc *sc, union ccb *ccb, 2906184610Salfred uint8_t *cmd, uint8_t cmdlen) 2907184610Salfred{ 2908184610Salfred uint8_t retval; 2909184610Salfred 2910184610Salfred retval = (sc->sc_transform) (sc, cmd, cmdlen); 2911184610Salfred 2912184610Salfred if (retval == 2) { 2913184610Salfred ccb->ccb_h.status = CAM_REQ_CMP; 2914184610Salfred xpt_done(ccb); 2915184610Salfred return (0); 2916184610Salfred } else if (retval == 0) { 2917184610Salfred ccb->ccb_h.status = CAM_REQ_INVALID; 2918184610Salfred xpt_done(ccb); 2919184610Salfred return (0); 2920184610Salfred } 2921184610Salfred /* Command should be executed */ 2922184610Salfred return (1); 2923184610Salfred} 2924184610Salfred 2925207077Sthompsa#ifdef USB_DEBUG 2926184610Salfredstatic void 2927184610Salfredumass_bbb_dump_cbw(struct umass_softc *sc, umass_bbb_cbw_t *cbw) 2928184610Salfred{ 2929184610Salfred uint8_t *c = cbw->CBWCDB; 2930184610Salfred 2931184610Salfred uint32_t dlen = UGETDW(cbw->dCBWDataTransferLength); 2932184610Salfred uint32_t tag = UGETDW(cbw->dCBWTag); 2933184610Salfred 2934184610Salfred uint8_t clen = cbw->bCDBLength; 2935184610Salfred uint8_t flags = cbw->bCBWFlags; 2936184610Salfred uint8_t lun = cbw->bCBWLUN; 2937184610Salfred 2938184610Salfred DPRINTF(sc, UDMASS_BBB, "CBW %d: cmd = %db " 2939184610Salfred "(0x%02x%02x%02x%02x%02x%02x%s), " 2940184610Salfred "data = %db, lun = %d, dir = %s\n", 2941184610Salfred tag, clen, 2942184610Salfred c[0], c[1], c[2], c[3], c[4], c[5], (clen > 6 ? "..." : ""), 2943184610Salfred dlen, lun, (flags == CBWFLAGS_IN ? "in" : 2944184610Salfred (flags == CBWFLAGS_OUT ? "out" : "<invalid>"))); 2945184610Salfred} 2946184610Salfred 2947184610Salfredstatic void 2948184610Salfredumass_bbb_dump_csw(struct umass_softc *sc, umass_bbb_csw_t *csw) 2949184610Salfred{ 2950184610Salfred uint32_t sig = UGETDW(csw->dCSWSignature); 2951184610Salfred uint32_t tag = UGETDW(csw->dCSWTag); 2952184610Salfred uint32_t res = UGETDW(csw->dCSWDataResidue); 2953184610Salfred uint8_t status = csw->bCSWStatus; 2954184610Salfred 2955184610Salfred DPRINTF(sc, UDMASS_BBB, "CSW %d: sig = 0x%08x (%s), tag = 0x%08x, " 2956184610Salfred "res = %d, status = 0x%02x (%s)\n", 2957184610Salfred tag, sig, (sig == CSWSIGNATURE ? "valid" : "invalid"), 2958184610Salfred tag, res, 2959184610Salfred status, (status == CSWSTATUS_GOOD ? "good" : 2960184610Salfred (status == CSWSTATUS_FAILED ? "failed" : 2961184610Salfred (status == CSWSTATUS_PHASE ? "phase" : "<invalid>")))); 2962184610Salfred} 2963184610Salfred 2964184610Salfredstatic void 2965184610Salfredumass_cbi_dump_cmd(struct umass_softc *sc, void *cmd, uint8_t cmdlen) 2966184610Salfred{ 2967184610Salfred uint8_t *c = cmd; 2968184610Salfred uint8_t dir = sc->sc_transfer.dir; 2969184610Salfred 2970184610Salfred DPRINTF(sc, UDMASS_BBB, "cmd = %db " 2971184610Salfred "(0x%02x%02x%02x%02x%02x%02x%s), " 2972184610Salfred "data = %db, dir = %s\n", 2973184610Salfred cmdlen, 2974184610Salfred c[0], c[1], c[2], c[3], c[4], c[5], (cmdlen > 6 ? "..." : ""), 2975184610Salfred sc->sc_transfer.data_len, 2976184610Salfred (dir == DIR_IN ? "in" : 2977184610Salfred (dir == DIR_OUT ? "out" : 2978184610Salfred (dir == DIR_NONE ? "no data phase" : "<invalid>")))); 2979184610Salfred} 2980184610Salfred 2981184610Salfredstatic void 2982184610Salfredumass_dump_buffer(struct umass_softc *sc, uint8_t *buffer, uint32_t buflen, 2983184610Salfred uint32_t printlen) 2984184610Salfred{ 2985184610Salfred uint32_t i, j; 2986184610Salfred char s1[40]; 2987184610Salfred char s2[40]; 2988184610Salfred char s3[5]; 2989184610Salfred 2990184610Salfred s1[0] = '\0'; 2991184610Salfred s3[0] = '\0'; 2992184610Salfred 2993184610Salfred sprintf(s2, " buffer=%p, buflen=%d", buffer, buflen); 2994184610Salfred for (i = 0; (i < buflen) && (i < printlen); i++) { 2995184610Salfred j = i % 16; 2996184610Salfred if (j == 0 && i != 0) { 2997184610Salfred DPRINTF(sc, UDMASS_GEN, "0x %s%s\n", 2998184610Salfred s1, s2); 2999184610Salfred s2[0] = '\0'; 3000184610Salfred } 3001184610Salfred sprintf(&s1[j * 2], "%02x", buffer[i] & 0xff); 3002184610Salfred } 3003184610Salfred if (buflen > printlen) 3004184610Salfred sprintf(s3, " ..."); 3005184610Salfred DPRINTF(sc, UDMASS_GEN, "0x %s%s%s\n", 3006184610Salfred s1, s2, s3); 3007184610Salfred} 3008184610Salfred 3009184610Salfred#endif 3010