/*- * Copyright (c) 1999 MAEKAWA Masahide , * Nick Hibma * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $NetBSD: umass.c,v 1.28 2000/04/02 23:46:53 augustss Exp $ * $FreeBSD: src/sys/dev/usb/umass.c,v 1.96 2003/12/19 12:19:11 sanpei Exp $ */ /* * Universal Serial Bus Mass Storage Class specs: * http://www.usb.org/developers/data/devclass/usbmassover_11.pdf * http://www.usb.org/developers/data/devclass/usbmassbulk_10.pdf * http://www.usb.org/developers/data/devclass/usbmass-cbi10.pdf * http://www.usb.org/developers/data/devclass/usbmass-ufi10.pdf */ /* * Ported to NetBSD by Lennart Augustsson . * Parts of the code written my Jason R. Thorpe . */ /* * The driver handles 3 Wire Protocols * - Command/Bulk/Interrupt (CBI) * - Command/Bulk/Interrupt with Command Completion Interrupt (CBI with CCI) * - Mass Storage Bulk-Only (BBB) * (BBB refers Bulk/Bulk/Bulk for Command/Data/Status phases) * * Over these wire protocols it handles the following command protocols * - SCSI * - UFI (floppy command set) * - 8070i (ATAPI) * * UFI and 8070i (ATAPI) are transformed versions of the SCSI command set. The * sc->transform method is used to convert the commands into the appropriate * format (if at all necessary). For example, UFI requires all commands to be * 12 bytes in length amongst other things. * * The source code below is marked and can be split into a number of pieces * (in this order): * * - probe/attach/detach * - generic transfer routines * - BBB * - CBI * - CBI_I (in addition to functions from CBI) * - CAM (Common Access Method) * - SCSI * - UFI * - 8070i (ATAPI) * * The protocols are implemented using a state machine, for the transfers as * well as for the resets. The state machine is contained in umass_*_state. * The state machine is started through either umass_*_transfer or * umass_*_reset. * * The reason for doing this is a) CAM performs a lot better this way and b) it * avoids using tsleep from interrupt context (for example after a failed * transfer). */ /* * The SCSI related part of this driver has been derived from the * dev/ppbus/vpo.c driver, by Nicolas Souchu (nsouch@freebsd.org). * * The CAM layer uses so called actions which are messages sent to the host * adapter for completion. The actions come in through umass_cam_action. The * appropriate block of routines is called depending on the transport protocol * in use. When the transfer has finished, these routines call * umass_cam_cb again to complete the CAM command. */ /* * XXX Currently CBI with CCI is not supported because it bombs the system * when the device is detached (low frequency interrupts are detached * too late. */ #undef CBI_I #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef USB_DEBUG #define DIF(m, x) if (umassdebug & (m)) do { x ; } while (0) #define DPRINTF(m, x) if (umassdebug & (m)) kprintf x #define UDMASS_GEN 0x00010000 /* general */ #define UDMASS_SCSI 0x00020000 /* scsi */ #define UDMASS_UFI 0x00040000 /* ufi command set */ #define UDMASS_ATAPI 0x00080000 /* 8070i command set */ #define UDMASS_CMD (UDMASS_SCSI|UDMASS_UFI|UDMASS_ATAPI) #define UDMASS_USB 0x00100000 /* USB general */ #define UDMASS_BBB 0x00200000 /* Bulk-Only transfers */ #define UDMASS_CBI 0x00400000 /* CBI transfers */ #define UDMASS_WIRE (UDMASS_BBB|UDMASS_CBI) #define UDMASS_ALL 0xffff0000 /* all of the above */ int umassdebug = 0; SYSCTL_NODE(_hw_usb, OID_AUTO, umass, CTLFLAG_RW, 0, "USB umass"); SYSCTL_INT(_hw_usb_umass, OID_AUTO, debug, CTLFLAG_RW, &umassdebug, 0, "umass debug level"); #else #define DIF(m, x) /* nop */ #define DPRINTF(m, x) /* nop */ #endif /* Generic definitions */ /* Direction for umass_*_transfer */ #define DIR_NONE 0 #define DIR_IN 1 #define DIR_OUT 2 /* device name */ #define DEVNAME "umass" #define DEVNAME_SIM "umass-sim" #define UMASS_MAX_TRANSFER_SIZE 65536 /* Approximate maximum transfer speeds (assumes 33% overhead). */ #define UMASS_FULL_TRANSFER_SPEED 1000 #define UMASS_HIGH_TRANSFER_SPEED 40000 #define UMASS_FLOPPY_TRANSFER_SPEED 20 #define UMASS_TIMEOUT 5000 /* msecs */ /* CAM specific definitions */ #define UMASS_SCSIID_MAX 1 /* maximum number of drives expected */ #define UMASS_SCSIID_HOST UMASS_SCSIID_MAX #define MS_TO_TICKS(ms) ((ms) * hz / 1000) /* Bulk-Only features */ #define UR_BBB_RESET 0xff /* Bulk-Only reset */ #define UR_BBB_GET_MAX_LUN 0xfe /* Get maximum lun */ /* Command Block Wrapper */ typedef struct { uDWord dCBWSignature; # define CBWSIGNATURE 0x43425355 uDWord dCBWTag; uDWord dCBWDataTransferLength; uByte bCBWFlags; # define CBWFLAGS_OUT 0x00 # define CBWFLAGS_IN 0x80 uByte bCBWLUN; uByte bCDBLength; # define CBWCDBLENGTH 16 uByte CBWCDB[CBWCDBLENGTH]; } umass_bbb_cbw_t; #define UMASS_BBB_CBW_SIZE 31 /* Command Status Wrapper */ typedef struct { uDWord dCSWSignature; # define CSWSIGNATURE 0x53425355 # define CSWSIGNATURE_OLYMPUS_C1 0x55425355 uDWord dCSWTag; uDWord dCSWDataResidue; uByte bCSWStatus; # define CSWSTATUS_GOOD 0x0 # define CSWSTATUS_FAILED 0x1 # define CSWSTATUS_PHASE 0x2 } umass_bbb_csw_t; #define UMASS_BBB_CSW_SIZE 13 /* CBI features */ #define UR_CBI_ADSC 0x00 typedef unsigned char umass_cbi_cbl_t[16]; /* Command block */ typedef union { struct { unsigned char type; #define IDB_TYPE_CCI 0x00 unsigned char value; #define IDB_VALUE_PASS 0x00 #define IDB_VALUE_FAIL 0x01 #define IDB_VALUE_PHASE 0x02 #define IDB_VALUE_PERSISTENT 0x03 #define IDB_VALUE_STATUS_MASK 0x03 } common; struct { unsigned char asc; unsigned char ascq; } ufi; } umass_cbi_sbl_t; struct umass_softc; /* see below */ typedef void (*transfer_cb_f) (struct umass_softc *sc, void *priv, int residue, int status); #define STATUS_CMD_OK 0 /* everything ok */ #define STATUS_CMD_UNKNOWN 1 /* will have to fetch sense */ #define STATUS_CMD_FAILED 2 /* transfer was ok, command failed */ #define STATUS_WIRE_FAILED 3 /* couldn't even get command across */ typedef void (*wire_reset_f) (struct umass_softc *sc, int status); typedef void (*wire_transfer_f) (struct umass_softc *sc, int lun, void *cmd, int cmdlen, void *data, int datalen, int dir, u_int timeout, transfer_cb_f cb, void *priv); typedef void (*wire_state_f) (usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status err); typedef int (*command_transform_f) (struct umass_softc *sc, unsigned char *cmd, int cmdlen, unsigned char **rcmd, int *rcmdlen); struct umass_devdescr_t { u_int32_t vendor; u_int32_t product; u_int32_t release; # define WILDCARD_ID 0xffffffff # define EOT_ID 0xfffffffe /* wire and command protocol */ u_int16_t proto; # define UMASS_PROTO_BBB 0x0001 /* USB wire protocol */ # define UMASS_PROTO_CBI 0x0002 # define UMASS_PROTO_CBI_I 0x0004 # define UMASS_PROTO_WIRE 0x00ff /* USB wire protocol mask */ # define UMASS_PROTO_SCSI 0x0100 /* command protocol */ # define UMASS_PROTO_ATAPI 0x0200 # define UMASS_PROTO_UFI 0x0400 # define UMASS_PROTO_RBC 0x0800 # define UMASS_PROTO_COMMAND 0xff00 /* command protocol mask */ /* Device specific quirks */ u_int16_t quirks; # define NO_QUIRKS 0x0000 /* The drive does not support Test Unit Ready. Convert to Start Unit */ # define NO_TEST_UNIT_READY 0x0001 /* The drive does not reset the Unit Attention state after REQUEST * SENSE has been sent. The INQUIRY command does not reset the UA * either, and so CAM runs in circles trying to retrieve the initial * INQUIRY data. */ # define RS_NO_CLEAR_UA 0x0002 /* The drive does not support START STOP. */ # define NO_START_STOP 0x0004 /* Don't ask for full inquiry data (255b). */ # define FORCE_SHORT_INQUIRY 0x0008 /* Needs to be initialised the Shuttle way */ # define SHUTTLE_INIT 0x0010 /* Drive needs to be switched to alternate iface 1 */ # define ALT_IFACE_1 0x0020 /* Drive does not do 1Mb/s, but just floppy speeds (20kb/s) */ # define FLOPPY_SPEED 0x0040 /* The device can't count and gets the residue of transfers wrong */ # define IGNORE_RESIDUE 0x0080 /* No GetMaxLun call */ # define NO_GETMAXLUN 0x0100 /* The device uses a weird CSWSIGNATURE. */ # define WRONG_CSWSIG 0x0200 /* Device cannot handle INQUIRY so fake a generic response */ # define NO_INQUIRY 0x0400 /* Device cannot handle INQUIRY EVPD, return CHECK CONDITION */ # define NO_INQUIRY_EVPD 0x0800 # define READ_CAPACITY_OFFBY1 0x2000 }; static struct umass_devdescr_t umass_devdescrs[] = { /* Addonics Cable 205 */ { .vendor = 0x0bf6, .product = 0xa001, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_QUIRKS }, /* Addonics USB 2.0 Flash */ { .vendor = 0x09df, .product = 0x1300, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = IGNORE_RESIDUE }, /* Addonics Attache 256MB USB */ { .vendor = 0x09df, .product = 0x1400, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = IGNORE_RESIDUE }, /* Addonics USB 2.0 Flash */ { .vendor = 0x09df, .product = 0x1420, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = IGNORE_RESIDUE }, /* AIPTEK PocketCAM 3Mega */ { .vendor = 0x08ca, .product = 0x2011, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_QUIRKS }, /* All Asahi Optical products */ { .vendor = 0x0a17, .product = WILDCARD_ID, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI | UMASS_PROTO_CBI_I, .quirks = RS_NO_CLEAR_UA }, /* Belkin USB to SCSI */ { .vendor = 0x050d, .product = 0x0115, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_QUIRKS }, /* CASIO QV DigiCam */ { .vendor = 0x07cf, .product = 0x1001, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_CBI, .quirks = NO_INQUIRY }, /* CCYU EasyDisk ED1064 */ { .vendor = 0x1065, .product = 0x2136, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_QUIRKS }, /* Century Century USB Disk */ { .vendor = 0x07f7, .product = 0x011e, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = FORCE_SHORT_INQUIRY | NO_START_STOP | IGNORE_RESIDUE }, /* Desknote UCR-61S2B */ { .vendor = 0x1019, .product = 0x0c55, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_QUIRKS }, /* DMI CF/SM Reader/Writer */ { .vendor = 0x0c0b, .product = 0xa109, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI, .quirks = NO_GETMAXLUN }, /* Epson Stylus Photo 875DC */ { .vendor = 0x03f8, .product = 0x0601, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_CBI, .quirks = NO_INQUIRY }, /* Epson Stylus Photo 895 */ { .vendor = 0x03f8, .product = 0x0602, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_GETMAXLUN }, /* Feiya 5-in-1 Card Reader */ { .vendor = 0x090c, .product = 0x1132, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_QUIRKS }, /* Freecom DVD drive */ { .vendor = 0x07ab, .product = 0xfc01, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI, .quirks = NO_QUIRKS }, /* Fujiphoto mass storage products */ { .vendor = 0x04cb, .product = 0x0100, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI | UMASS_PROTO_CBI_I, .quirks = RS_NO_CLEAR_UA }, /* Genesys GL641USB USB-IDE Bridge */ { .vendor = 0x05e3, .product = 0x0701, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = FORCE_SHORT_INQUIRY | NO_START_STOP | IGNORE_RESIDUE }, /* Genesys GL641USB USB-IDE Bridge */ { .vendor = 0x05e3, .product = 0x0702, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = FORCE_SHORT_INQUIRY | NO_START_STOP | IGNORE_RESIDUE }, /* Genesys GL641USB CompactFlash Card */ { .vendor = 0x05e3, .product = 0x0700, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = FORCE_SHORT_INQUIRY | NO_START_STOP | IGNORE_RESIDUE }, /* Genesys GL641USB 6-in-1 Card */ { .vendor = 0x05e3, .product = 0x0760, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = WRONG_CSWSIG }, /* Hagiwara FlashGate SmartMedia Card */ { .vendor = 0x0693, .product = 0x0002, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_QUIRKS }, /* Hitachi DVDCAM USB HS Interface */ { .vendor = 0x04a4, .product = 0x001e, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI | UMASS_PROTO_CBI_I, .quirks = NO_INQUIRY }, /* Hitachi DVD-CAM DZ-MV100A Camcorder */ { .vendor = 0x04a4, .product = 0x0004, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_CBI, .quirks = NO_GETMAXLUN }, /* Hewlett CD-Writer+ CD-4e */ { .vendor = 0x03f0, .product = 0x0307, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI, .quirks = NO_QUIRKS }, /* Hewlett CD-Writer Plus 8200e */ { .vendor = 0x03f0, .product = 0x0207, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI | UMASS_PROTO_CBI_I, .quirks = NO_TEST_UNIT_READY | NO_START_STOP }, /* Imagination DBX1 DSP core */ { .vendor = 0x149a, .product = 0x2107, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = WRONG_CSWSIG }, /* In-System ATAPI Adapter */ { .vendor = 0x05ab, .product = 0x0031, .release = WILDCARD_ID, .proto = UMASS_PROTO_RBC | UMASS_PROTO_CBI, .quirks = NO_QUIRKS }, /* In-System USB Storage Adapter */ { .vendor = 0x05ab, .product = 0x5701, .release = WILDCARD_ID, .proto = UMASS_PROTO_RBC | UMASS_PROTO_CBI, .quirks = NO_QUIRKS }, /* In-System USB cable */ { .vendor = 0x05ab, .product = 0x081a, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI | UMASS_PROTO_CBI, .quirks = NO_TEST_UNIT_READY | NO_START_STOP | ALT_IFACE_1 }, /* I-O DVD Multi-plus unit */ { .vendor = 0x04bb, .product = 0x0204, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_QUIRKS }, /* I-O DVD Multi-plus unit */ { .vendor = 0x04bb, .product = 0x0206, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_QUIRKS }, /* Iomega Zip 100 */ { .vendor = 0x059b, .product = 0x0001, .release = WILDCARD_ID, /* XXX This is not correct as there are Zip drives that use ATAPI. */ .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_TEST_UNIT_READY }, /* Kyocera Finecam L3 */ { .vendor = 0x0482, .product = 0x0105, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_INQUIRY }, /* Kyocera Finecam S3x */ { .vendor = 0x0482, .product = 0x0100, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI | UMASS_PROTO_CBI, .quirks = NO_INQUIRY }, /* Kyocera Finecam S4 */ { .vendor = 0x0482, .product = 0x0101, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI | UMASS_PROTO_CBI, .quirks = NO_INQUIRY }, /* Kyocera Finecam S5 */ { .vendor = 0x0482, .product = 0x0103, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_INQUIRY }, /* LaCie Hard Disk */ { .vendor = 0x059f, .product = 0xa601, .release = WILDCARD_ID, .proto = UMASS_PROTO_RBC | UMASS_PROTO_CBI, .quirks = NO_QUIRKS }, /* Lexar USB CF Reader */ { .vendor = 0x05dc, .product = 0xb002, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_INQUIRY }, /* Lexar jumpSHOT CompactFlash Reader */ { .vendor = 0x05dc, .product = 0x0001, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI, .quirks = NO_QUIRKS }, /* Logitech DVD Multi-plus unit */ { .vendor = 0x046d, .product = 0x0033, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI, .quirks = NO_QUIRKS }, /* Logitech DVD Multi-plus unit LDR-H443U2 */ { .vendor = 0x0789, .product = 0x00b3, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_QUIRKS }, /* Melco USB-IDE Bridge: DUB-PxxG */ { .vendor = 0x0411, .product = 0x001c, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = FORCE_SHORT_INQUIRY | NO_START_STOP | IGNORE_RESIDUE }, /* Microtech USB CameraMate */ { .vendor = 0x07af, .product = 0x0006, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_CBI, .quirks = NO_TEST_UNIT_READY | NO_START_STOP }, /* Microtech USB-SCSI-DB25 */ { .vendor = 0x07af, .product = 0x0004, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_QUIRKS }, /* Microtech USB-SCSI-HD50 */ { .vendor = 0x07af, .product = 0x0005, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_QUIRKS }, /* Minolta Dimage E223 */ { .vendor = 0x0686, .product = 0x4017, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI, .quirks = NO_QUIRKS }, /* Minolta Dimage F300 */ { .vendor = 0x0686, .product = 0x4011, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_QUIRKS }, /* Mitsumi CD-R/RW Drive */ { .vendor = 0x03ee, .product = 0x0000, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI | UMASS_PROTO_CBI, .quirks = NO_QUIRKS }, /* Mitsumi USB FDD */ { .vendor = 0x03ee, .product = 0x6901, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_GETMAXLUN }, /* Motorola E398 Mobile Phone */ { .vendor = 0x22b8, .product = 0x4810, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = FORCE_SHORT_INQUIRY | NO_INQUIRY_EVPD | NO_GETMAXLUN }, /* M-Systems DiskOnKey */ { .vendor = 0x08ec, .product = 0x0010, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = IGNORE_RESIDUE | NO_GETMAXLUN | RS_NO_CLEAR_UA }, /* M-Systems DiskOnKey */ { .vendor = 0x08ec, .product = 0x0011, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI | UMASS_PROTO_BBB, .quirks = NO_QUIRKS }, /* Myson USB-IDE */ { .vendor = 0x04cf, .product = 0x8818, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_INQUIRY | IGNORE_RESIDUE }, /* Neodio 8-in-1 Multi-format Flash */ { .vendor = 0x0aec, .product = 0x3260, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = FORCE_SHORT_INQUIRY }, /* Netac USB-CF-Card */ { .vendor = 0x0dd8, .product = 0x1060, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_INQUIRY }, /* Netac OnlyDisk */ { .vendor = 0x0dd8, .product = 0x0003, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = IGNORE_RESIDUE }, /* NetChip USB Clik! 40 */ { .vendor = 0x0525, .product = 0xa140, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI, .quirks = NO_INQUIRY }, /* Olympus C-1 Digital Camera */ { .vendor = 0x07b4, .product = 0x0102, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = WRONG_CSWSIG }, /* Olympus C-700 Ultra Zoom */ { .vendor = 0x07b4, .product = 0x0105, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI, .quirks = NO_GETMAXLUN }, /* OnSpec SIIG/Datafab Memory Stick+CF */ { .vendor = 0x07c4, .product = 0xa001, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI, .quirks = NO_QUIRKS }, /* OnSpec USB to CF */ { .vendor = 0x07c4, .product = 0xa109, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI, .quirks = NO_QUIRKS }, /* OnSpec PNY/Datafab CF+SM Reader */ { .vendor = 0x07c4, .product = 0xa005, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI, .quirks = NO_QUIRKS }, /* OnSpec Simple Tech/Datafab CF+SM */ { .vendor = 0x07c4, .product = 0xa006, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI, .quirks = NO_QUIRKS }, /* OnSpec MDCFE-B USB CF */ { .vendor = 0x07c4, .product = 0xa000, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI, .quirks = NO_QUIRKS }, /* OnSpec MDSM-B reader */ { .vendor = 0x07c4, .product = 0xa103, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI, .quirks = NO_INQUIRY }, /* OnSpec Datafab-based Reader */ { .vendor = 0x07c4, .product = 0xa003, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI, .quirks = NO_QUIRKS }, /* OnSpec FlashLink UCF-100 CompactFlash */ { .vendor = 0x07c4, .product = 0xa400, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI | UMASS_PROTO_BBB, .quirks = NO_INQUIRY | NO_GETMAXLUN }, /* OnSpec ImageMate SDDR55 */ { .vendor = 0x55aa, .product = 0xa103, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI, .quirks = NO_GETMAXLUN }, /* Panasonic CD-R Drive KXL-840AN */ { .vendor = 0x04da, .product = 0x0d01, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI | UMASS_PROTO_BBB, .quirks = NO_GETMAXLUN }, /* Panasonic CD-R Drive KXL-CB20AN */ { .vendor = 0x04da, .product = 0x0d0a, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_QUIRKS }, /* Panasonic DVD-ROM & CD-R/RW */ { .vendor = 0x04da, .product = 0x0d0e, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_QUIRKS }, /* Panasonic LS-120 Camera */ { .vendor = 0x04da, .product = 0x0901, .release = WILDCARD_ID, .proto = UMASS_PROTO_UFI, .quirks = NO_QUIRKS }, /* Plextor PlexWriter 40/12/40U */ { .vendor = 0x093b, .product = 0x0011, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_TEST_UNIT_READY }, /* PNY USB 2.0 Flash */ { .vendor = 0x154b, .product = 0x0010, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = IGNORE_RESIDUE | NO_START_STOP }, /* Pen USB 2.0 Flash Drive */ { .vendor = 0x0d7d, .product = 0x1300, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = IGNORE_RESIDUE }, /* Samsung YP-U2 MP3 Player */ { .vendor = 0x04e8, .product = 0x5050, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = SHUTTLE_INIT | NO_GETMAXLUN }, /* Samsung Digimax 410 */ { .vendor = 0x0839, .product = 0x000a, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_INQUIRY }, /* SanDisk ImageMate SDDR-05a */ { .vendor = 0x0781, .product = 0x0001, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_CBI, .quirks = READ_CAPACITY_OFFBY1 | NO_GETMAXLUN }, /* SanDisk ImageMate SDDR-09 */ { .vendor = 0x0781, .product = 0x0200, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI, .quirks = READ_CAPACITY_OFFBY1 | NO_GETMAXLUN }, /* SanDisk ImageMate SDDR-12 */ { .vendor = 0x0781, .product = 0x0100, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_CBI, .quirks = READ_CAPACITY_OFFBY1 | NO_GETMAXLUN }, /* SanDisk ImageMate SDDR-31 */ { .vendor = 0x0781, .product = 0x0002, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = READ_CAPACITY_OFFBY1 }, /* SanDisk Cruzer Mini 256MB */ { .vendor = 0x0781, .product = 0x7104, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = IGNORE_RESIDUE }, /* SanDisk Cruzer Micro 128MB */ { .vendor = 0x0781, .product = 0x7112, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = IGNORE_RESIDUE }, /* SanDisk Cruzer Micro 256MB */ { .vendor = 0x0781, .product = 0x7113, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = IGNORE_RESIDUE }, /* ScanLogic SL11R IDE Adapter */ { .vendor = 0x04ce, .product = 0x0002, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI | UMASS_PROTO_CBI_I, .quirks = NO_QUIRKS }, /* Shuttle CD-RW Device */ { .vendor = 0x04e6, .product = 0x0101, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI | UMASS_PROTO_CBI, .quirks = NO_QUIRKS }, /* Shuttle eUSB CompactFlash Adapter */ { .vendor = 0x04e6, .product = 0x000a, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI | UMASS_PROTO_CBI, .quirks = NO_QUIRKS }, /* Shuttle E-USB Bridge */ { .vendor = 0x04e6, .product = 0x0001, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI | UMASS_PROTO_CBI_I, .quirks = NO_TEST_UNIT_READY | NO_START_STOP | SHUTTLE_INIT }, /* Shuttle eUSB ATA/ATAPI Adapter */ { .vendor = 0x04e6, .product = 0x0009, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI | UMASS_PROTO_CBI, .quirks = NO_QUIRKS }, /* Shuttle eUSB SmartMedia / */ { .vendor = 0x04e6, .product = 0x0005, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI, .quirks = NO_QUIRKS }, /* Shuttle eUSCSI Bridge */ { .vendor = 0x04e6, .product = 0x0002, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_QUIRKS }, /* Shuttle Sony Hifd */ { .vendor = 0x04e6, .product = 0x0007, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_CBI, .quirks = NO_GETMAXLUN }, /* Shuttle ImageMate SDDR09 */ { .vendor = 0x04e6, .product = 0x0003, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI, .quirks = NO_GETMAXLUN }, /* Shuttle eUSB MultiMediaCard Adapter */ { .vendor = 0x04e6, .product = 0x0006, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_CBI, .quirks = NO_GETMAXLUN }, /* Sigmatel i-Bead 100 MP3 */ { .vendor = 0x066f, .product = 0x8008, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = SHUTTLE_INIT }, /* SIIG WINTERREADER Reader */ { .vendor = 0x07cc, .product = 0x0330, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = IGNORE_RESIDUE }, /* Skanhex MD 7425 Camera */ { .vendor = 0x0d96, .product = 0x410a, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_INQUIRY }, /* Skanhex SX 520z Camera */ { .vendor = 0x0d96, .product = 0x5200, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_INQUIRY }, /* Sony Clie v4.0 */ { .vendor = 0x054c, .product = 0x006d, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_INQUIRY }, /* Sony DSC cameras */ { .vendor = 0x054c, .product = 0x0010, .release = WILDCARD_ID, .proto = UMASS_PROTO_RBC | UMASS_PROTO_CBI, .quirks = NO_QUIRKS }, { .vendor = 0x054c, .product = 0x02f7, .release = WILDCARD_ID, .proto = UMASS_PROTO_RBC | UMASS_PROTO_CBI, .quirks = NO_QUIRKS }, /* Sony Handycam */ { .vendor = 0x054c, .product = 0x002e, .release = WILDCARD_ID, .proto = UMASS_PROTO_RBC | UMASS_PROTO_CBI, .quirks = NO_QUIRKS }, /* Sony Memorystick MSC-U03 */ { .vendor = 0x054c, .product = 0x0069, .release = WILDCARD_ID, .proto = UMASS_PROTO_UFI | UMASS_PROTO_CBI, .quirks = NO_GETMAXLUN }, /* Sony Memorystick NW-MS7 */ { .vendor = 0x054c, .product = 0x0025, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_GETMAXLUN }, /* Sony PEG N760c Memorystick */ { .vendor = 0x054c, .product = 0x0058, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_INQUIRY }, /* Sony Memorystick MSAC-US1 */ { .vendor = 0x054c, .product = 0x002d, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_GETMAXLUN }, /* Sony MSC memory stick */ { .vendor = 0x054c, .product = 0x0032, .release = WILDCARD_ID, .proto = UMASS_PROTO_RBC | UMASS_PROTO_CBI, .quirks = NO_QUIRKS }, /* Sony Portable USB Harddrive */ { .vendor = 0x054c, .product = 0x002b, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_QUIRKS }, /* Taugagreining CameraMate (DPCM_USB) */ { .vendor = 0x0436, .product = 0x0005, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI, .quirks = NO_QUIRKS }, /* TEAC FD-05PUB floppy */ { .vendor = 0x0644, .product = 0x0000, .release = WILDCARD_ID, .proto = UMASS_PROTO_UFI | UMASS_PROTO_CBI, .quirks = NO_QUIRKS }, /* Trek IBM USB Memory */ { .vendor = 0x0a16, .product = 0x8888, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_INQUIRY }, /* Trek ThumbDrive_8MB */ { .vendor = 0x0a16, .product = 0x9988, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI | UMASS_PROTO_BBB, .quirks = IGNORE_RESIDUE }, /* Trumpion Comotron C3310 MP3 */ { .vendor = 0x090a, .product = 0x1100, .release = WILDCARD_ID, .proto = UMASS_PROTO_UFI | UMASS_PROTO_CBI, .quirks = NO_QUIRKS }, /* Trumpion MP3 player */ { .vendor = 0x090a, .product = 0x1200, .release = WILDCARD_ID, .proto = UMASS_PROTO_RBC, .quirks = NO_QUIRKS }, /* Trumpion T33520 USB Flash */ { .vendor = 0x090a, .product = 0x1001, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI, .quirks = NO_QUIRKS }, /* TwinMOS Memory Disk IV */ { .vendor = 0x126f, .product = 0x1325, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_QUIRKS }, /* Vivitar Vivicam 35Xx */ { .vendor = 0x0636, .product = 0x0003, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_INQUIRY }, /* Western Firewire USB Combo */ { .vendor = 0x1058, .product = 0x0200, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = FORCE_SHORT_INQUIRY | NO_START_STOP | IGNORE_RESIDUE }, /* Western External USB HHD My Passport */ { .vendor = 0x1058, .product = 0x0704, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = FORCE_SHORT_INQUIRY | NO_START_STOP | IGNORE_RESIDUE }, /* Western External HDD */ { .vendor = 0x1058, .product = 0x0400, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = FORCE_SHORT_INQUIRY | NO_START_STOP | IGNORE_RESIDUE }, /* Western MyBook External HDD */ { .vendor = 0x1058, .product = 0x0901, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_INQUIRY_EVPD }, /* WinMaxGroup USB Flash Disk */ { .vendor = 0x0ed1, .product = 0x6660, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = NO_INQUIRY }, /* Yano METALWEAR-HDD */ { .vendor = 0x094f, .product = 0x05fc, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_BBB, .quirks = FORCE_SHORT_INQUIRY | NO_START_STOP | IGNORE_RESIDUE }, /* Yano U640MO-03 */ { .vendor = 0x094f, .product = 0x0101, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI | UMASS_PROTO_CBI_I, .quirks = FORCE_SHORT_INQUIRY }, /* Y-E Flashbuster-U */ { .vendor = 0x057b, .product = 0x0000, .release = WILDCARD_ID, .proto = UMASS_PROTO_SCSI | UMASS_PROTO_CBI, .quirks = NO_GETMAXLUN }, /* Zoran Digital Camera EX-20 */ { .vendor = 0x0595, .product = 0x4343, .release = WILDCARD_ID, .proto = UMASS_PROTO_ATAPI | UMASS_PROTO_CBI, .quirks = NO_QUIRKS }, { .vendor = EOT_ID, .product = EOT_ID, .release = EOT_ID, .proto = 0, .quirks = 0 } }; /* the per device structure */ struct umass_softc { device_t sc_dev; /* base device */ usbd_device_handle sc_udev; /* USB device */ struct cam_sim *umass_sim; /* SCSI Interface Module */ unsigned char flags; /* various device flags */ # define UMASS_FLAGS_GONE 0x01 /* devices is no more */ u_int16_t proto; /* wire and cmd protocol */ u_int16_t quirks; /* they got it almost right */ usbd_interface_handle iface; /* Mass Storage interface */ int ifaceno; /* MS iface number */ u_int8_t bulkin; /* bulk-in Endpoint Address */ u_int8_t bulkout; /* bulk-out Endpoint Address */ u_int8_t intrin; /* intr-in Endp. (CBI) */ usbd_pipe_handle bulkin_pipe; usbd_pipe_handle bulkout_pipe; usbd_pipe_handle intrin_pipe; /* Reset the device in a wire protocol specific way */ wire_reset_f reset; /* The start of a wire transfer. It prepares the whole transfer (cmd, * data, and status stage) and initiates it. It is up to the state * machine (below) to handle the various stages and errors in these */ wire_transfer_f transfer; /* The state machine, handling the various states during a transfer */ wire_state_f state; /* The command transform function is used to conver the SCSI commands * into their derivatives, like UFI, ATAPI, and friends. */ command_transform_f transform; /* command transform */ /* Bulk specific variables for transfers in progress */ umass_bbb_cbw_t cbw; /* command block wrapper */ umass_bbb_csw_t csw; /* command status wrapper*/ /* CBI specific variables for transfers in progress */ umass_cbi_cbl_t cbl; /* command block */ umass_cbi_sbl_t sbl; /* status block */ /* generic variables for transfers in progress */ /* ctrl transfer requests */ usb_device_request_t request; /* xfer handles * Most of our operations are initiated from interrupt context, so * we need to avoid using the one that is in use. We want to avoid * allocating them in the interrupt context as well. */ /* indices into array below */ # define XFER_BBB_CBW 0 /* Bulk-Only */ # define XFER_BBB_DATA 1 # define XFER_BBB_DCLEAR 2 # define XFER_BBB_CSW1 3 # define XFER_BBB_CSW2 4 # define XFER_BBB_SCLEAR 5 # define XFER_BBB_RESET1 6 # define XFER_BBB_RESET2 7 # define XFER_BBB_RESET3 8 # define XFER_CBI_CB 0 /* CBI */ # define XFER_CBI_DATA 1 # define XFER_CBI_STATUS 2 # define XFER_CBI_DCLEAR 3 # define XFER_CBI_SCLEAR 4 # define XFER_CBI_RESET1 5 # define XFER_CBI_RESET2 6 # define XFER_CBI_RESET3 7 # define XFER_NR 9 /* maximum number */ usbd_xfer_handle transfer_xfer[XFER_NR]; /* for ctrl xfers */ int transfer_dir; /* data direction */ void *transfer_data; /* data buffer */ int transfer_datalen; /* (maximum) length */ int transfer_actlen; /* actual length */ transfer_cb_f transfer_cb; /* callback */ void *transfer_priv; /* for callback */ int transfer_status; int transfer_state; # define TSTATE_ATTACH 0 /* in attach */ # define TSTATE_IDLE 1 # define TSTATE_BBB_COMMAND 2 /* CBW transfer */ # define TSTATE_BBB_DATA 3 /* Data transfer */ # define TSTATE_BBB_DCLEAR 4 /* clear endpt stall */ # define TSTATE_BBB_STATUS1 5 /* clear endpt stall */ # define TSTATE_BBB_SCLEAR 6 /* clear endpt stall */ # define TSTATE_BBB_STATUS2 7 /* CSW transfer */ # define TSTATE_BBB_RESET1 8 /* reset command */ # define TSTATE_BBB_RESET2 9 /* in clear stall */ # define TSTATE_BBB_RESET3 10 /* out clear stall */ # define TSTATE_CBI_COMMAND 11 /* command transfer */ # define TSTATE_CBI_DATA 12 /* data transfer */ # define TSTATE_CBI_STATUS 13 /* status transfer */ # define TSTATE_CBI_DCLEAR 14 /* clear ep stall */ # define TSTATE_CBI_SCLEAR 15 /* clear ep stall */ # define TSTATE_CBI_RESET1 16 /* reset command */ # define TSTATE_CBI_RESET2 17 /* in clear stall */ # define TSTATE_CBI_RESET3 18 /* out clear stall */ # define TSTATE_STATES 19 /* # of states above */ /* SCSI/CAM specific variables */ unsigned char cam_scsi_command[CAM_MAX_CDBLEN]; unsigned char cam_scsi_command2[CAM_MAX_CDBLEN]; struct scsi_sense cam_scsi_sense; struct scsi_sense cam_scsi_test_unit_ready; int timeout; /* in msecs */ int maxlun; /* maximum LUN number */ struct callout rescan_timeout; }; #ifdef USB_DEBUG char *states[TSTATE_STATES+1] = { /* should be kept in sync with the list at transfer_state */ "Attach", "Idle", "BBB CBW", "BBB Data", "BBB Data bulk-in/-out clear stall", "BBB CSW, 1st attempt", "BBB CSW bulk-in clear stall", "BBB CSW, 2nd attempt", "BBB Reset", "BBB bulk-in clear stall", "BBB bulk-out clear stall", "CBI Command", "CBI Data", "CBI Status", "CBI Data bulk-in/-out clear stall", "CBI Status intr-in clear stall", "CBI Reset", "CBI bulk-in clear stall", "CBI bulk-out clear stall", NULL }; #endif /* If device cannot return valid inquiry data, fake it */ static uint8_t fake_inq_data[SHORT_INQUIRY_LENGTH] = { 0, /*removable*/ 0x80, SCSI_REV_2, SCSI_REV_2, /*additional_length*/ 31, 0, 0, 0 }; /* USB device probe/attach/detach functions */ static device_probe_t umass_match; static device_attach_t umass_attach; static device_detach_t umass_detach; static devclass_t umass_devclass; static kobj_method_t umass_methods[] = { DEVMETHOD(device_probe, umass_match), DEVMETHOD(device_attach, umass_attach), DEVMETHOD(device_detach, umass_detach), DEVMETHOD_END }; static driver_t umass_driver = { "umass", umass_methods, sizeof(struct umass_softc) }; MODULE_DEPEND(umass, usb, 1, 1, 1); static int umass_match_proto (struct umass_softc *sc, usbd_interface_handle iface, usbd_device_handle udev); /* quirk functions */ static void umass_init_shuttle (struct umass_softc *sc); /* generic transfer functions */ static usbd_status umass_setup_transfer (struct umass_softc *sc, usbd_pipe_handle pipe, void *buffer, int buflen, int flags, usbd_xfer_handle xfer); static usbd_status umass_setup_ctrl_transfer (struct umass_softc *sc, usbd_device_handle udev, usb_device_request_t *req, void *buffer, int buflen, int flags, usbd_xfer_handle xfer); static void umass_clear_endpoint_stall (struct umass_softc *sc, u_int8_t endpt, usbd_pipe_handle pipe, int state, usbd_xfer_handle xfer); static void umass_reset (struct umass_softc *sc, transfer_cb_f cb, void *priv); /* Bulk-Only related functions */ static void umass_bbb_reset (struct umass_softc *sc, int status); static void umass_bbb_transfer (struct umass_softc *sc, int lun, void *cmd, int cmdlen, void *data, int datalen, int dir, u_int timeout, transfer_cb_f cb, void *priv); static void umass_bbb_state (usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status err); static int umass_bbb_get_max_lun (struct umass_softc *sc); /* CBI related functions */ static int umass_cbi_adsc (struct umass_softc *sc, char *buffer, int buflen, usbd_xfer_handle xfer); static void umass_cbi_reset (struct umass_softc *sc, int status); static void umass_cbi_transfer (struct umass_softc *sc, int lun, void *cmd, int cmdlen, void *data, int datalen, int dir, u_int timeout, transfer_cb_f cb, void *priv); static void umass_cbi_state (usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status err); /* CAM related functions */ static void umass_cam_action (struct cam_sim *sim, union ccb *ccb); static void umass_cam_poll (struct cam_sim *sim); static void umass_cam_cb (struct umass_softc *sc, void *priv, int residue, int status); static void umass_cam_sense_cb (struct umass_softc *sc, void *priv, int residue, int status); static void umass_cam_quirk_cb (struct umass_softc *sc, void *priv, int residue, int status); static void umass_cam_rescan_callback (struct cam_periph *periph,union ccb *ccb); static void umass_cam_rescan (void *addr); static int umass_cam_attach_sim (struct umass_softc *sc); static int umass_cam_attach (struct umass_softc *sc); static int umass_cam_detach_sim (struct umass_softc *sc); /* SCSI specific functions */ static int umass_scsi_transform (struct umass_softc *sc, unsigned char *cmd, int cmdlen, unsigned char **rcmd, int *rcmdlen); /* UFI specific functions */ #define UFI_COMMAND_LENGTH 12 /* UFI commands are always 12 bytes */ static int umass_ufi_transform (struct umass_softc *sc, unsigned char *cmd, int cmdlen, unsigned char **rcmd, int *rcmdlen); /* ATAPI (8070i) specific functions */ #define ATAPI_COMMAND_LENGTH 12 /* ATAPI commands are always 12 bytes */ static int umass_atapi_transform (struct umass_softc *sc, unsigned char *cmd, int cmdlen, unsigned char **rcmd, int *rcmdlen); /* RBC specific functions */ static int umass_rbc_transform (struct umass_softc *sc, unsigned char *cmd, int cmdlen, unsigned char **rcmd, int *rcmdlen); #ifdef USB_DEBUG /* General debugging functions */ static void umass_bbb_dump_cbw (struct umass_softc *sc, umass_bbb_cbw_t *cbw); static void umass_bbb_dump_csw (struct umass_softc *sc, umass_bbb_csw_t *csw); static void umass_cbi_dump_cmd (struct umass_softc *sc, void *cmd, int cmdlen); static void umass_dump_buffer (struct umass_softc *sc, u_int8_t *buffer, int buflen, int printlen); #endif MODULE_DEPEND(umass, cam, 1,1,1); /* * USB device probe/attach/detach */ /* * Match the device we are seeing with the devices supported. Fill in the * description in the softc accordingly. This function is called from both * probe and attach. */ static int umass_match_proto(struct umass_softc *sc, usbd_interface_handle iface, usbd_device_handle udev) { usb_device_descriptor_t *dd; usb_interface_descriptor_t *id; int i; int found = 0; sc->sc_udev = udev; sc->proto = 0; sc->quirks = 0; dd = usbd_get_device_descriptor(udev); /* An entry specifically for Y-E Data devices as they don't fit in the * device description table. */ if (UGETW(dd->idVendor) == 0x057b && UGETW(dd->idProduct) == 0x0000) { /* Revisions < 1.28 do not handle the inerrupt endpoint * very well. */ if (UGETW(dd->bcdDevice) < 0x128) { sc->proto = UMASS_PROTO_UFI | UMASS_PROTO_CBI; } else { sc->proto = UMASS_PROTO_UFI | UMASS_PROTO_CBI_I; } /* * Revisions < 1.28 do not have the TEST UNIT READY command * Revisions == 1.28 have a broken TEST UNIT READY */ if (UGETW(dd->bcdDevice) <= 0x128) sc->quirks |= NO_TEST_UNIT_READY; sc->quirks |= RS_NO_CLEAR_UA | FLOPPY_SPEED; return(UMATCH_VENDOR_PRODUCT); } /* Check the list of supported devices for a match. While looking, * check for wildcarded and fully matched. First match wins. */ for (i = 0; umass_devdescrs[i].vendor != EOT_ID && !found; i++) { if (umass_devdescrs[i].vendor == WILDCARD_ID && umass_devdescrs[i].product == WILDCARD_ID && umass_devdescrs[i].release == WILDCARD_ID) { kprintf("umass: ignoring invalid wildcard quirk\n"); continue; } if ((umass_devdescrs[i].vendor == UGETW(dd->idVendor) || umass_devdescrs[i].vendor == WILDCARD_ID) && (umass_devdescrs[i].product == UGETW(dd->idProduct) || umass_devdescrs[i].product == WILDCARD_ID)) { if (umass_devdescrs[i].release == WILDCARD_ID) { sc->proto = umass_devdescrs[i].proto; sc->quirks = umass_devdescrs[i].quirks; return (UMATCH_VENDOR_PRODUCT); } else if (umass_devdescrs[i].release == UGETW(dd->bcdDevice)) { sc->proto = umass_devdescrs[i].proto; sc->quirks = umass_devdescrs[i].quirks; return (UMATCH_VENDOR_PRODUCT_REV); } /* else RID does not match */ } } /* Check for a standards compliant device */ id = usbd_get_interface_descriptor(iface); if (id == NULL || id->bInterfaceClass != UICLASS_MASS) return(UMATCH_NONE); switch (id->bInterfaceSubClass) { case UISUBCLASS_SCSI: sc->proto |= UMASS_PROTO_SCSI; break; case UISUBCLASS_UFI: sc->proto |= UMASS_PROTO_UFI; break; case UISUBCLASS_RBC: sc->proto |= UMASS_PROTO_RBC; break; case UISUBCLASS_SFF8020I: case UISUBCLASS_SFF8070I: sc->proto |= UMASS_PROTO_ATAPI; break; default: DPRINTF(UDMASS_GEN, ("%s: Unsupported command protocol %d\n", device_get_nameunit(sc->sc_dev), id->bInterfaceSubClass)); return(UMATCH_NONE); } switch (id->bInterfaceProtocol) { case UIPROTO_MASS_CBI: sc->proto |= UMASS_PROTO_CBI; break; case UIPROTO_MASS_CBI_I: sc->proto |= UMASS_PROTO_CBI_I; break; case UIPROTO_MASS_BBB_OLD: case UIPROTO_MASS_BBB: sc->proto |= UMASS_PROTO_BBB; break; default: DPRINTF(UDMASS_GEN, ("%s: Unsupported wire protocol %d\n", device_get_nameunit(sc->sc_dev), id->bInterfaceProtocol)); return(UMATCH_NONE); } return(UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO); } static int umass_match(device_t self) { struct usb_attach_arg *uaa = device_get_ivars(self); struct umass_softc *sc = device_get_softc(self); sc->sc_dev = self; if (uaa->iface == NULL) return(UMATCH_NONE); return(umass_match_proto(sc, uaa->iface, uaa->device)); } static int umass_attach(device_t self) { struct umass_softc *sc = device_get_softc(self); struct usb_attach_arg *uaa = device_get_ivars(self); usb_interface_descriptor_t *id; usb_endpoint_descriptor_t *ed; int i; int err; /* * the softc struct is bzero-ed in device_set_driver. We can safely * call umass_detach without specifically initialising the struct. */ sc->sc_dev = self; sc->iface = uaa->iface; sc->ifaceno = uaa->ifaceno; /* initialise the proto and drive values in the umass_softc (again) */ (void) umass_match_proto(sc, sc->iface, uaa->device); id = usbd_get_interface_descriptor(sc->iface); #ifdef USB_DEBUG kprintf("%s: ", device_get_nameunit(sc->sc_dev)); switch (sc->proto&UMASS_PROTO_COMMAND) { case UMASS_PROTO_SCSI: kprintf("SCSI"); break; case UMASS_PROTO_ATAPI: kprintf("8070i (ATAPI)"); break; case UMASS_PROTO_UFI: kprintf("UFI"); break; case UMASS_PROTO_RBC: kprintf("RBC"); break; default: kprintf("(unknown 0x%02x)", sc->proto&UMASS_PROTO_COMMAND); break; } kprintf(" over "); switch (sc->proto&UMASS_PROTO_WIRE) { case UMASS_PROTO_BBB: kprintf("Bulk-Only"); break; case UMASS_PROTO_CBI: /* uses Comand/Bulk pipes */ kprintf("CBI"); break; case UMASS_PROTO_CBI_I: /* uses Comand/Bulk/Interrupt pipes */ kprintf("CBI with CCI"); #ifndef CBI_I kprintf(" (using CBI)"); #endif break; default: kprintf("(unknown 0x%02x)", sc->proto&UMASS_PROTO_WIRE); } kprintf("; quirks = 0x%04x\n", sc->quirks); #endif #ifndef CBI_I if (sc->proto & UMASS_PROTO_CBI_I) { /* See beginning of file for comment on the use of CBI with CCI */ sc->proto = (sc->proto & ~UMASS_PROTO_CBI_I) | UMASS_PROTO_CBI; } #endif if (sc->quirks & ALT_IFACE_1) { err = usbd_set_interface(0, 1); if (err) { DPRINTF(UDMASS_USB, ("%s: could not switch to " "Alt Interface %d\n", device_get_nameunit(sc->sc_dev), 1)); umass_detach(self); return ENXIO; } } /* * In addition to the Control endpoint the following endpoints * are required: * a) bulk-in endpoint. * b) bulk-out endpoint. * and for Control/Bulk/Interrupt with CCI (CBI_I) * c) intr-in * * The endpoint addresses are not fixed, so we have to read them * from the device descriptors of the current interface. */ for (i = 0 ; i < id->bNumEndpoints ; i++) { ed = usbd_interface2endpoint_descriptor(sc->iface, i); if (!ed) { kprintf("%s: could not read endpoint descriptor\n", device_get_nameunit(sc->sc_dev)); return ENXIO; } if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { sc->bulkin = ed->bEndpointAddress; } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { sc->bulkout = ed->bEndpointAddress; } else if (sc->proto & UMASS_PROTO_CBI_I && UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { sc->intrin = ed->bEndpointAddress; #ifdef USB_DEBUG if (UGETW(ed->wMaxPacketSize) > 2) { DPRINTF(UDMASS_CBI, ("%s: intr size is %d\n", device_get_nameunit(sc->sc_dev), UGETW(ed->wMaxPacketSize))); } #endif } } /* check whether we found all the endpoints we need */ if (!sc->bulkin || !sc->bulkout || (sc->proto & UMASS_PROTO_CBI_I && !sc->intrin) ) { DPRINTF(UDMASS_USB, ("%s: endpoint not found %d/%d/%d\n", device_get_nameunit(sc->sc_dev), sc->bulkin, sc->bulkout, sc->intrin)); umass_detach(self); return ENXIO; } /* Open the bulk-in and -out pipe */ err = usbd_open_pipe(sc->iface, sc->bulkout, USBD_EXCLUSIVE_USE, &sc->bulkout_pipe); if (err) { DPRINTF(UDMASS_USB, ("%s: cannot open %d-out pipe (bulk)\n", device_get_nameunit(sc->sc_dev), sc->bulkout)); umass_detach(self); return ENXIO; } err = usbd_open_pipe(sc->iface, sc->bulkin, USBD_EXCLUSIVE_USE, &sc->bulkin_pipe); if (err) { DPRINTF(UDMASS_USB, ("%s: could not open %d-in pipe (bulk)\n", device_get_nameunit(sc->sc_dev), sc->bulkin)); umass_detach(self); return ENXIO; } /* Open the intr-in pipe if the protocol is CBI with CCI. * Note: early versions of the Zip drive do have an interrupt pipe, but * this pipe is unused * * We do not open the interrupt pipe as an interrupt pipe, but as a * normal bulk endpoint. We send an IN transfer down the wire at the * appropriate time, because we know exactly when to expect data on * that endpoint. This saves bandwidth, but more important, makes the * code for handling the data on that endpoint simpler. No data * arriving concurently. */ if (sc->proto & UMASS_PROTO_CBI_I) { err = usbd_open_pipe(sc->iface, sc->intrin, USBD_EXCLUSIVE_USE, &sc->intrin_pipe); if (err) { DPRINTF(UDMASS_USB, ("%s: couldn't open %d-in (intr)\n", device_get_nameunit(sc->sc_dev), sc->intrin)); umass_detach(self); return ENXIO; } } /* initialisation of generic part */ sc->transfer_state = TSTATE_ATTACH; /* request a sufficient number of xfer handles */ for (i = 0; i < XFER_NR; i++) { sc->transfer_xfer[i] = usbd_alloc_xfer(uaa->device); if (!sc->transfer_xfer[i]) { DPRINTF(UDMASS_USB, ("%s: Out of memory\n", device_get_nameunit(sc->sc_dev))); umass_detach(self); return ENXIO; } } /* * Preallocate buffers to avoid auto-allocation from an interrupt * handler. */ usbd_alloc_buffer(sc->transfer_xfer[XFER_BBB_DATA], MAXPHYS); usbd_alloc_buffer(sc->transfer_xfer[XFER_BBB_CBW], UMASS_BBB_CBW_SIZE); usbd_alloc_buffer(sc->transfer_xfer[XFER_BBB_CSW1], UMASS_BBB_CSW_SIZE); usbd_alloc_buffer(sc->transfer_xfer[XFER_BBB_CSW2], UMASS_BBB_CSW_SIZE); usbd_alloc_buffer(sc->transfer_xfer[XFER_CBI_DATA], MAXPHYS); /* Initialise the wire protocol specific methods */ if (sc->proto & UMASS_PROTO_BBB) { sc->reset = umass_bbb_reset; sc->transfer = umass_bbb_transfer; sc->state = umass_bbb_state; } else if (sc->proto & (UMASS_PROTO_CBI|UMASS_PROTO_CBI_I)) { sc->reset = umass_cbi_reset; sc->transfer = umass_cbi_transfer; sc->state = umass_cbi_state; #ifdef USB_DEBUG } else { panic("%s:%d: Unknown proto 0x%02x", __FILE__, __LINE__, sc->proto); #endif } if (sc->proto & UMASS_PROTO_SCSI) sc->transform = umass_scsi_transform; else if (sc->proto & UMASS_PROTO_UFI) sc->transform = umass_ufi_transform; else if (sc->proto & UMASS_PROTO_ATAPI) sc->transform = umass_atapi_transform; else if (sc->proto & UMASS_PROTO_RBC) sc->transform = umass_rbc_transform; #ifdef USB_DEBUG else panic("No transformation defined for command proto 0x%02x", sc->proto & UMASS_PROTO_COMMAND); #endif /* From here onwards the device can be used. */ if (sc->quirks & SHUTTLE_INIT) umass_init_shuttle(sc); /* Get the maximum LUN supported by the device. */ if (((sc->proto & UMASS_PROTO_WIRE) == UMASS_PROTO_BBB) && !(sc->quirks & NO_GETMAXLUN)) sc->maxlun = umass_bbb_get_max_lun(sc); else sc->maxlun = 0; if ((sc->proto & UMASS_PROTO_SCSI) || (sc->proto & UMASS_PROTO_ATAPI) || (sc->proto & UMASS_PROTO_UFI) || (sc->proto & UMASS_PROTO_RBC)) { /* Prepare the SCSI command block */ sc->cam_scsi_sense.opcode = REQUEST_SENSE; sc->cam_scsi_test_unit_ready.opcode = TEST_UNIT_READY; /* register the SIM */ err = umass_cam_attach_sim(sc); if (err) { umass_detach(self); return ENXIO; } /* scan the new sim */ err = umass_cam_attach(sc); if (err) { umass_cam_detach_sim(sc); umass_detach(self); return ENXIO; } } else { panic("%s:%d: Unknown proto 0x%02x", __FILE__, __LINE__, sc->proto); } sc->transfer_state = TSTATE_IDLE; DPRINTF(UDMASS_GEN, ("%s: Attach finished\n", device_get_nameunit(sc->sc_dev))); return 0; } static int umass_detach(device_t self) { struct umass_softc *sc = device_get_softc(self); int err = 0; int i; int to; DPRINTF(UDMASS_USB, ("%s: detached\n", device_get_nameunit(sc->sc_dev))); /* * Set UMASS_FLAGS_GONE to prevent any new transfers from being * queued, and abort any transfers in progress to ensure that * pending requests (e.g. from CAM's bus scan) are terminated. */ sc->flags |= UMASS_FLAGS_GONE; if (sc->bulkout_pipe) usbd_abort_pipe(sc->bulkout_pipe); if (sc->bulkin_pipe) usbd_abort_pipe(sc->bulkin_pipe); if (sc->intrin_pipe) usbd_abort_pipe(sc->intrin_pipe); /* * Wait until we go idle to make sure that all of our xfer requests * have finished. We could be in the middle of a BBB reset (which * would not be effected by the pipe aborts above). */ to = hz; while (sc->transfer_state != TSTATE_IDLE) { kprintf("%s: state %d waiting for idle\n", device_get_nameunit(sc->sc_dev), sc->transfer_state); tsleep(sc, 0, "umassidl", to); if (to >= hz * 10) { kprintf("%s: state %d giving up!\n", device_get_nameunit(sc->sc_dev), sc->transfer_state); break; } to += hz; } if ((sc->proto & UMASS_PROTO_SCSI) || (sc->proto & UMASS_PROTO_ATAPI) || (sc->proto & UMASS_PROTO_UFI) || (sc->proto & UMASS_PROTO_RBC)) { /* detach the SCSI host controller (SIM) */ err = umass_cam_detach_sim(sc); } for (i = 0; i < XFER_NR; i++) { if (sc->transfer_xfer[i]) usbd_free_xfer(sc->transfer_xfer[i]); } /* remove all the pipes */ if (sc->bulkout_pipe) usbd_close_pipe(sc->bulkout_pipe); if (sc->bulkin_pipe) usbd_close_pipe(sc->bulkin_pipe); if (sc->intrin_pipe) usbd_close_pipe(sc->intrin_pipe); return(err); } static void umass_init_shuttle(struct umass_softc *sc) { usb_device_request_t req; u_char status[2]; /* The Linux driver does this, but no one can tell us what the * command does. */ req.bmRequestType = UT_READ_VENDOR_DEVICE; req.bRequest = 1; /* XXX unknown command */ USETW(req.wValue, 0); USETW(req.wIndex, sc->ifaceno); USETW(req.wLength, sizeof status); (void) usbd_do_request(sc->sc_udev, &req, &status); DPRINTF(UDMASS_GEN, ("%s: Shuttle init returned 0x%02x%02x\n", device_get_nameunit(sc->sc_dev), status[0], status[1])); } /* * Generic functions to handle transfers */ static usbd_status umass_setup_transfer(struct umass_softc *sc, usbd_pipe_handle pipe, void *buffer, int buflen, int flags, usbd_xfer_handle xfer) { usbd_status err; /* Initialiase a USB transfer and then schedule it */ (void) usbd_setup_xfer(xfer, pipe, (void *) sc, buffer, buflen, flags, sc->timeout, sc->state); err = usbd_transfer(xfer); if (err && err != USBD_IN_PROGRESS) { DPRINTF(UDMASS_BBB, ("%s: failed to setup transfer, %s\n", device_get_nameunit(sc->sc_dev), usbd_errstr(err))); return(err); } return (USBD_NORMAL_COMPLETION); } static usbd_status umass_setup_ctrl_transfer(struct umass_softc *sc, usbd_device_handle udev, usb_device_request_t *req, void *buffer, int buflen, int flags, usbd_xfer_handle xfer) { usbd_status err; /* Initialiase a USB control transfer and then schedule it */ (void) usbd_setup_default_xfer(xfer, udev, (void *) sc, UMASS_TIMEOUT, req, buffer, buflen, flags, sc->state); err = usbd_transfer(xfer); if (err && err != USBD_IN_PROGRESS) { DPRINTF(UDMASS_BBB, ("%s: failed to setup ctrl transfer, %s\n", device_get_nameunit(sc->sc_dev), usbd_errstr(err))); /* do not reset, as this would make us loop */ return(err); } return (USBD_NORMAL_COMPLETION); } static void umass_clear_endpoint_stall(struct umass_softc *sc, u_int8_t endpt, usbd_pipe_handle pipe, int state, usbd_xfer_handle xfer) { usbd_device_handle udev; DPRINTF(UDMASS_BBB, ("%s: Clear endpoint 0x%02x stall\n", device_get_nameunit(sc->sc_dev), endpt)); usbd_interface2device_handle(sc->iface, &udev); sc->transfer_state = state; usbd_clear_endpoint_toggle(pipe); sc->request.bmRequestType = UT_WRITE_ENDPOINT; sc->request.bRequest = UR_CLEAR_FEATURE; USETW(sc->request.wValue, UF_ENDPOINT_HALT); USETW(sc->request.wIndex, endpt); USETW(sc->request.wLength, 0); umass_setup_ctrl_transfer(sc, udev, &sc->request, NULL, 0, 0, xfer); } static void umass_reset(struct umass_softc *sc, transfer_cb_f cb, void *priv) { sc->transfer_cb = cb; sc->transfer_priv = priv; /* The reset is a forced reset, so no error (yet) */ sc->reset(sc, STATUS_CMD_OK); } /* * Bulk protocol specific functions */ static void umass_bbb_reset(struct umass_softc *sc, int status) { usbd_device_handle udev; KASSERT(sc->proto & UMASS_PROTO_BBB, ("%s: umass_bbb_reset: wrong sc->proto 0x%02x", device_get_nameunit(sc->sc_dev), sc->proto)); /* * Reset recovery (5.3.4 in Universal Serial Bus Mass Storage Class) * * For Reset Recovery the host shall issue in the following order: * a) a Bulk-Only Mass Storage Reset * b) a Clear Feature HALT to the Bulk-In endpoint * c) a Clear Feature HALT to the Bulk-Out endpoint * * This is done in 3 steps, states: * TSTATE_BBB_RESET1 * TSTATE_BBB_RESET2 * TSTATE_BBB_RESET3 * * If the reset doesn't succeed, the device should be port reset. */ DPRINTF(UDMASS_BBB, ("%s: Bulk Reset\n", device_get_nameunit(sc->sc_dev))); sc->transfer_state = TSTATE_BBB_RESET1; sc->transfer_status = status; usbd_interface2device_handle(sc->iface, &udev); /* reset is a class specific interface write */ sc->request.bmRequestType = UT_WRITE_CLASS_INTERFACE; sc->request.bRequest = UR_BBB_RESET; USETW(sc->request.wValue, 0); USETW(sc->request.wIndex, sc->ifaceno); USETW(sc->request.wLength, 0); umass_setup_ctrl_transfer(sc, udev, &sc->request, NULL, 0, 0, sc->transfer_xfer[XFER_BBB_RESET1]); } static void umass_bbb_transfer(struct umass_softc *sc, int lun, void *cmd, int cmdlen, void *data, int datalen, int dir, u_int timeout, transfer_cb_f cb, void *priv) { KASSERT(sc->proto & UMASS_PROTO_BBB, ("%s: umass_bbb_transfer: wrong sc->proto 0x%02x", device_get_nameunit(sc->sc_dev), sc->proto)); /* Be a little generous. */ sc->timeout = timeout + UMASS_TIMEOUT; /* * Do a Bulk-Only transfer with cmdlen bytes from cmd, possibly * a data phase of datalen bytes from/to the device and finally a * csw read phase. * If the data direction was inbound a maximum of datalen bytes * is stored in the buffer pointed to by data. * * umass_bbb_transfer initialises the transfer and lets the state * machine in umass_bbb_state handle the completion. It uses the * following states: * TSTATE_BBB_COMMAND * -> TSTATE_BBB_DATA * -> TSTATE_BBB_STATUS * -> TSTATE_BBB_STATUS2 * -> TSTATE_BBB_IDLE * * An error in any of those states will invoke * umass_bbb_reset. */ /* check the given arguments */ KASSERT(datalen == 0 || data != NULL, ("%s: datalen > 0, but no buffer",device_get_nameunit(sc->sc_dev))); KASSERT(cmdlen <= CBWCDBLENGTH, ("%s: cmdlen exceeds CDB length in CBW (%d > %d)", device_get_nameunit(sc->sc_dev), cmdlen, CBWCDBLENGTH)); KASSERT(dir == DIR_NONE || datalen > 0, ("%s: datalen == 0 while direction is not NONE", device_get_nameunit(sc->sc_dev))); KASSERT(datalen == 0 || dir != DIR_NONE, ("%s: direction is NONE while datalen is not zero", device_get_nameunit(sc->sc_dev))); KASSERT(sizeof(umass_bbb_cbw_t) == UMASS_BBB_CBW_SIZE, ("%s: CBW struct does not have the right size (%ld vs. %d)", device_get_nameunit(sc->sc_dev), (long)sizeof(umass_bbb_cbw_t), UMASS_BBB_CBW_SIZE)); KASSERT(sizeof(umass_bbb_csw_t) == UMASS_BBB_CSW_SIZE, ("%s: CSW struct does not have the right size (%ld vs. %d)", device_get_nameunit(sc->sc_dev), (long)sizeof(umass_bbb_csw_t), UMASS_BBB_CSW_SIZE)); /* * Determine the direction of the data transfer and the length. * * dCBWDataTransferLength (datalen) : * This field indicates the number of bytes of data that the host * intends to transfer on the IN or OUT Bulk endpoint(as indicated by * the Direction bit) during the execution of this command. If this * field is set to 0, the device will expect that no data will be * transferred IN or OUT during this command, regardless of the value * of the Direction bit defined in dCBWFlags. * * dCBWFlags (dir) : * The bits of the Flags field are defined as follows: * Bits 0-6 reserved * Bit 7 Direction - this bit shall be ignored if the * dCBWDataTransferLength field is zero. * 0 = data Out from host to device * 1 = data In from device to host */ /* Fill in the Command Block Wrapper * We fill in all the fields, so there is no need to bzero it first. */ USETDW(sc->cbw.dCBWSignature, CBWSIGNATURE); /* We don't care about the initial value, as long as the values are unique */ USETDW(sc->cbw.dCBWTag, UGETDW(sc->cbw.dCBWTag) + 1); USETDW(sc->cbw.dCBWDataTransferLength, datalen); /* DIR_NONE is treated as DIR_OUT (0x00) */ sc->cbw.bCBWFlags = (dir == DIR_IN? CBWFLAGS_IN:CBWFLAGS_OUT); sc->cbw.bCBWLUN = lun; sc->cbw.bCDBLength = cmdlen; bcopy(cmd, sc->cbw.CBWCDB, cmdlen); DIF(UDMASS_BBB, umass_bbb_dump_cbw(sc, &sc->cbw)); /* store the details for the data transfer phase */ sc->transfer_dir = dir; sc->transfer_data = data; sc->transfer_datalen = datalen; sc->transfer_actlen = 0; sc->transfer_cb = cb; sc->transfer_priv = priv; sc->transfer_status = STATUS_CMD_OK; /* move from idle to the command state */ sc->transfer_state = TSTATE_BBB_COMMAND; /* Send the CBW from host to device via bulk-out endpoint. */ if (umass_setup_transfer(sc, sc->bulkout_pipe, &sc->cbw, UMASS_BBB_CBW_SIZE, 0, sc->transfer_xfer[XFER_BBB_CBW])) { umass_bbb_reset(sc, STATUS_WIRE_FAILED); } } static void umass_bbb_state(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status err) { struct umass_softc *sc = (struct umass_softc *) priv; usbd_xfer_handle next_xfer; KASSERT(sc->proto & UMASS_PROTO_BBB, ("%s: umass_bbb_state: wrong sc->proto 0x%02x", device_get_nameunit(sc->sc_dev), sc->proto)); /* * State handling for BBB transfers. * * The subroutine is rather long. It steps through the states given in * Annex A of the Bulk-Only specification. * Each state first does the error handling of the previous transfer * and then prepares the next transfer. * Each transfer is done asynchroneously so after the request/transfer * has been submitted you will find a 'return;'. */ DPRINTF(UDMASS_BBB, ("%s: Handling BBB state %d (%s), xfer=%p, %s\n", device_get_nameunit(sc->sc_dev), sc->transfer_state, states[sc->transfer_state], xfer, usbd_errstr(err))); switch (sc->transfer_state) { /***** Bulk Transfer *****/ case TSTATE_BBB_COMMAND: /* Command transport phase, error handling */ if (err) { DPRINTF(UDMASS_BBB, ("%s: failed to send CBW\n", device_get_nameunit(sc->sc_dev))); /* If the device detects that the CBW is invalid, then * the device may STALL both bulk endpoints and require * a Bulk-Reset */ umass_bbb_reset(sc, STATUS_WIRE_FAILED); return; } /* Data transport phase, setup transfer */ sc->transfer_state = TSTATE_BBB_DATA; if (sc->transfer_dir == DIR_IN) { if (umass_setup_transfer(sc, sc->bulkin_pipe, sc->transfer_data, sc->transfer_datalen, USBD_SHORT_XFER_OK, sc->transfer_xfer[XFER_BBB_DATA])) umass_bbb_reset(sc, STATUS_WIRE_FAILED); return; } else if (sc->transfer_dir == DIR_OUT) { if (umass_setup_transfer(sc, sc->bulkout_pipe, sc->transfer_data, sc->transfer_datalen, 0, /* fixed length transfer */ sc->transfer_xfer[XFER_BBB_DATA])) umass_bbb_reset(sc, STATUS_WIRE_FAILED); return; } else { DPRINTF(UDMASS_BBB, ("%s: no data phase\n", device_get_nameunit(sc->sc_dev))); } /* FALLTHROUGH if no data phase, err == 0 */ case TSTATE_BBB_DATA: /* Command transport phase, error handling (ignored if no data * phase (fallthrough from previous state)) */ if (sc->transfer_dir != DIR_NONE) { /* retrieve the length of the transfer that was done */ usbd_get_xfer_status(xfer, NULL, NULL, &sc->transfer_actlen, NULL); if (err) { DPRINTF(UDMASS_BBB, ("%s: Data-%s %db failed, " "%s\n", device_get_nameunit(sc->sc_dev), (sc->transfer_dir == DIR_IN?"in":"out"), sc->transfer_datalen,usbd_errstr(err))); if (err == USBD_STALLED) { umass_clear_endpoint_stall(sc, (sc->transfer_dir == DIR_IN? sc->bulkin:sc->bulkout), (sc->transfer_dir == DIR_IN? sc->bulkin_pipe:sc->bulkout_pipe), TSTATE_BBB_DCLEAR, sc->transfer_xfer[XFER_BBB_DCLEAR]); return; } else { /* Unless the error is a pipe stall the * error is fatal. */ umass_bbb_reset(sc,STATUS_WIRE_FAILED); return; } } } DIF(UDMASS_BBB, if (sc->transfer_dir == DIR_IN) umass_dump_buffer(sc, sc->transfer_data, sc->transfer_datalen, 48)); /* FALLTHROUGH, err == 0 (no data phase or successfull) */ case TSTATE_BBB_DCLEAR: /* stall clear after data phase */ case TSTATE_BBB_SCLEAR: /* stall clear after status phase */ /* Reading of CSW after bulk stall condition in data phase * (TSTATE_BBB_DATA2) or bulk-in stall condition after * reading CSW (TSTATE_BBB_SCLEAR). * In the case of no data phase or successfull data phase, * err == 0 and the following if block is passed. */ if (err) { /* should not occur */ /* try the transfer below, even if clear stall failed */ DPRINTF(UDMASS_BBB, ("%s: bulk-%s stall clear failed" ", %s\n", device_get_nameunit(sc->sc_dev), (sc->transfer_dir == DIR_IN? "in":"out"), usbd_errstr(err))); umass_bbb_reset(sc, STATUS_WIRE_FAILED); return; } /* Status transport phase, setup transfer */ if (sc->transfer_state == TSTATE_BBB_COMMAND || sc->transfer_state == TSTATE_BBB_DATA || sc->transfer_state == TSTATE_BBB_DCLEAR) { /* After no data phase, successfull data phase and * after clearing bulk-in/-out stall condition */ sc->transfer_state = TSTATE_BBB_STATUS1; next_xfer = sc->transfer_xfer[XFER_BBB_CSW1]; } else { /* After first attempt of fetching CSW */ sc->transfer_state = TSTATE_BBB_STATUS2; next_xfer = sc->transfer_xfer[XFER_BBB_CSW2]; } /* Read the Command Status Wrapper via bulk-in endpoint. */ if (umass_setup_transfer(sc, sc->bulkin_pipe, &sc->csw, UMASS_BBB_CSW_SIZE, 0, next_xfer)) { umass_bbb_reset(sc, STATUS_WIRE_FAILED); return; } return; case TSTATE_BBB_STATUS1: /* first attempt */ case TSTATE_BBB_STATUS2: /* second attempt */ /* Status transfer, error handling */ { int Residue; if (err) { DPRINTF(UDMASS_BBB, ("%s: Failed to read CSW, %s%s\n", device_get_nameunit(sc->sc_dev), usbd_errstr(err), (sc->transfer_state == TSTATE_BBB_STATUS1? ", retrying":""))); /* If this was the first attempt at fetching the CSW * retry it, otherwise fail. */ if (sc->transfer_state == TSTATE_BBB_STATUS1) { umass_clear_endpoint_stall(sc, sc->bulkin, sc->bulkin_pipe, TSTATE_BBB_SCLEAR, sc->transfer_xfer[XFER_BBB_SCLEAR]); return; } else { umass_bbb_reset(sc, STATUS_WIRE_FAILED); return; } } DIF(UDMASS_BBB, umass_bbb_dump_csw(sc, &sc->csw)); /* Translate weird command-status signatures. */ if ((sc->quirks & WRONG_CSWSIG) && UGETDW(sc->csw.dCSWSignature) == CSWSIGNATURE_OLYMPUS_C1) USETDW(sc->csw.dCSWSignature, CSWSIGNATURE); Residue = UGETDW(sc->csw.dCSWDataResidue); if (Residue == 0 && sc->transfer_datalen - sc->transfer_actlen != 0) Residue = sc->transfer_datalen - sc->transfer_actlen; /* Check CSW and handle any error */ if (UGETDW(sc->csw.dCSWSignature) != CSWSIGNATURE) { /* Invalid CSW: Wrong signature or wrong tag might * indicate that the device is confused -> reset it. */ kprintf("%s: Invalid CSW: sig 0x%08x should be 0x%08x\n", device_get_nameunit(sc->sc_dev), UGETDW(sc->csw.dCSWSignature), CSWSIGNATURE); umass_bbb_reset(sc, STATUS_WIRE_FAILED); return; } else if (UGETDW(sc->csw.dCSWTag) != UGETDW(sc->cbw.dCBWTag)) { kprintf("%s: Invalid CSW: tag %d should be %d\n", device_get_nameunit(sc->sc_dev), UGETDW(sc->csw.dCSWTag), UGETDW(sc->cbw.dCBWTag)); umass_bbb_reset(sc, STATUS_WIRE_FAILED); return; /* CSW is valid here */ } else if (sc->csw.bCSWStatus > CSWSTATUS_PHASE) { kprintf("%s: Invalid CSW: status %d > %d\n", device_get_nameunit(sc->sc_dev), sc->csw.bCSWStatus, CSWSTATUS_PHASE); umass_bbb_reset(sc, STATUS_WIRE_FAILED); return; } else if (sc->csw.bCSWStatus == CSWSTATUS_PHASE) { kprintf("%s: Phase Error, residue = %d\n", device_get_nameunit(sc->sc_dev), Residue); umass_bbb_reset(sc, STATUS_WIRE_FAILED); return; } else if (sc->transfer_actlen > sc->transfer_datalen) { /* Buffer overrun! Don't let this go by unnoticed */ panic("%s: transferred %db instead of %db", device_get_nameunit(sc->sc_dev), sc->transfer_actlen, sc->transfer_datalen); } else if (sc->csw.bCSWStatus == CSWSTATUS_FAILED) { DPRINTF(UDMASS_BBB, ("%s: Command Failed, res = %d\n", device_get_nameunit(sc->sc_dev), Residue)); /* SCSI command failed but transfer was succesful */ sc->transfer_state = TSTATE_IDLE; sc->transfer_cb(sc, sc->transfer_priv, Residue, STATUS_CMD_FAILED); return; } else { /* success */ sc->transfer_state = TSTATE_IDLE; sc->transfer_cb(sc, sc->transfer_priv, Residue, STATUS_CMD_OK); return; } } /***** Bulk Reset *****/ case TSTATE_BBB_RESET1: if (err) kprintf("%s: BBB reset failed, %s\n", device_get_nameunit(sc->sc_dev), usbd_errstr(err)); umass_clear_endpoint_stall(sc, sc->bulkin, sc->bulkin_pipe, TSTATE_BBB_RESET2, sc->transfer_xfer[XFER_BBB_RESET2]); return; case TSTATE_BBB_RESET2: if (err) /* should not occur */ kprintf("%s: BBB bulk-in clear stall failed, %s\n", device_get_nameunit(sc->sc_dev), usbd_errstr(err)); /* no error recovery, otherwise we end up in a loop */ umass_clear_endpoint_stall(sc, sc->bulkout, sc->bulkout_pipe, TSTATE_BBB_RESET3, sc->transfer_xfer[XFER_BBB_RESET3]); return; case TSTATE_BBB_RESET3: if (err) /* should not occur */ kprintf("%s: BBB bulk-out clear stall failed, %s\n", device_get_nameunit(sc->sc_dev), usbd_errstr(err)); /* no error recovery, otherwise we end up in a loop */ sc->transfer_state = TSTATE_IDLE; if (sc->transfer_priv) { sc->transfer_cb(sc, sc->transfer_priv, sc->transfer_datalen, sc->transfer_status); } return; /***** Default *****/ default: panic("%s: Unknown state %d", device_get_nameunit(sc->sc_dev), sc->transfer_state); } } static int umass_bbb_get_max_lun(struct umass_softc *sc) { usbd_device_handle udev; usb_device_request_t req; usbd_status err; usb_interface_descriptor_t *id; int maxlun = 0; u_int8_t buf = 0; usbd_interface2device_handle(sc->iface, &udev); id = usbd_get_interface_descriptor(sc->iface); /* The Get Max Lun command is a class-specific request. */ req.bmRequestType = UT_READ_CLASS_INTERFACE; req.bRequest = UR_BBB_GET_MAX_LUN; USETW(req.wValue, 0); USETW(req.wIndex, id->bInterfaceNumber); USETW(req.wLength, 1); err = usbd_do_request(udev, &req, &buf); switch (err) { case USBD_NORMAL_COMPLETION: maxlun = buf; DPRINTF(UDMASS_BBB, ("%s: Max Lun is %d\n", device_get_nameunit(sc->sc_dev), maxlun)); break; case USBD_STALLED: case USBD_SHORT_XFER: default: /* Device doesn't support Get Max Lun request. */ kprintf("%s: Get Max Lun not supported (%s)\n", device_get_nameunit(sc->sc_dev), usbd_errstr(err)); /* XXX Should we port_reset the device? */ break; } return(maxlun); } /* * Command/Bulk/Interrupt (CBI) specific functions */ static int umass_cbi_adsc(struct umass_softc *sc, char *buffer, int buflen, usbd_xfer_handle xfer) { usbd_device_handle udev; KASSERT(sc->proto & (UMASS_PROTO_CBI|UMASS_PROTO_CBI_I), ("%s: umass_cbi_adsc: wrong sc->proto 0x%02x", device_get_nameunit(sc->sc_dev), sc->proto)); usbd_interface2device_handle(sc->iface, &udev); sc->request.bmRequestType = UT_WRITE_CLASS_INTERFACE; sc->request.bRequest = UR_CBI_ADSC; USETW(sc->request.wValue, 0); USETW(sc->request.wIndex, sc->ifaceno); USETW(sc->request.wLength, buflen); return umass_setup_ctrl_transfer(sc, udev, &sc->request, buffer, buflen, 0, xfer); } static void umass_cbi_reset(struct umass_softc *sc, int status) { int i; # define SEND_DIAGNOSTIC_CMDLEN 12 KASSERT(sc->proto & (UMASS_PROTO_CBI|UMASS_PROTO_CBI_I), ("%s: umass_cbi_reset: wrong sc->proto 0x%02x", device_get_nameunit(sc->sc_dev), sc->proto)); /* * Command Block Reset Protocol * * First send a reset request to the device. Then clear * any possibly stalled bulk endpoints. * This is done in 3 steps, states: * TSTATE_CBI_RESET1 * TSTATE_CBI_RESET2 * TSTATE_CBI_RESET3 * * If the reset doesn't succeed, the device should be port reset. */ DPRINTF(UDMASS_CBI, ("%s: CBI Reset\n", device_get_nameunit(sc->sc_dev))); KASSERT(sizeof(sc->cbl) >= SEND_DIAGNOSTIC_CMDLEN, ("%s: CBL struct is too small (%ld < %d)", device_get_nameunit(sc->sc_dev), (long)sizeof(sc->cbl), SEND_DIAGNOSTIC_CMDLEN)); sc->transfer_state = TSTATE_CBI_RESET1; sc->transfer_status = status; /* The 0x1d code is the SEND DIAGNOSTIC command. To distingiush between * the two the last 10 bytes of the cbl is filled with 0xff (section * 2.2 of the CBI spec). */ sc->cbl[0] = 0x1d; /* Command Block Reset */ sc->cbl[1] = 0x04; for (i = 2; i < SEND_DIAGNOSTIC_CMDLEN; i++) sc->cbl[i] = 0xff; umass_cbi_adsc(sc, sc->cbl, SEND_DIAGNOSTIC_CMDLEN, sc->transfer_xfer[XFER_CBI_RESET1]); /* XXX if the command fails we should reset the port on the bub */ } static void umass_cbi_transfer(struct umass_softc *sc, int lun, void *cmd, int cmdlen, void *data, int datalen, int dir, u_int timeout, transfer_cb_f cb, void *priv) { KASSERT(sc->proto & (UMASS_PROTO_CBI|UMASS_PROTO_CBI_I), ("%s: umass_cbi_transfer: wrong sc->proto 0x%02x", device_get_nameunit(sc->sc_dev), sc->proto)); /* Be a little generous. */ sc->timeout = timeout + UMASS_TIMEOUT; /* * Do a CBI transfer with cmdlen bytes from cmd, possibly * a data phase of datalen bytes from/to the device and finally a * csw read phase. * If the data direction was inbound a maximum of datalen bytes * is stored in the buffer pointed to by data. * * umass_cbi_transfer initialises the transfer and lets the state * machine in umass_cbi_state handle the completion. It uses the * following states: * TSTATE_CBI_COMMAND * -> XXX fill in * * An error in any of those states will invoke * umass_cbi_reset. */ /* check the given arguments */ KASSERT(datalen == 0 || data != NULL, ("%s: datalen > 0, but no buffer",device_get_nameunit(sc->sc_dev))); KASSERT(datalen == 0 || dir != DIR_NONE, ("%s: direction is NONE while datalen is not zero", device_get_nameunit(sc->sc_dev))); /* store the details for the data transfer phase */ sc->transfer_dir = dir; sc->transfer_data = data; sc->transfer_datalen = datalen; sc->transfer_actlen = 0; sc->transfer_cb = cb; sc->transfer_priv = priv; sc->transfer_status = STATUS_CMD_OK; /* move from idle to the command state */ sc->transfer_state = TSTATE_CBI_COMMAND; DIF(UDMASS_CBI, umass_cbi_dump_cmd(sc, cmd, cmdlen)); /* Send the Command Block from host to device via control endpoint. */ if (umass_cbi_adsc(sc, cmd, cmdlen, sc->transfer_xfer[XFER_CBI_CB])) umass_cbi_reset(sc, STATUS_WIRE_FAILED); } static void umass_cbi_state(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status err) { struct umass_softc *sc = (struct umass_softc *) priv; KASSERT(sc->proto & (UMASS_PROTO_CBI|UMASS_PROTO_CBI_I), ("%s: umass_cbi_state: wrong sc->proto 0x%02x", device_get_nameunit(sc->sc_dev), sc->proto)); /* * State handling for CBI transfers. */ DPRINTF(UDMASS_CBI, ("%s: Handling CBI state %d (%s), xfer=%p, %s\n", device_get_nameunit(sc->sc_dev), sc->transfer_state, states[sc->transfer_state], xfer, usbd_errstr(err))); switch (sc->transfer_state) { /***** CBI Transfer *****/ case TSTATE_CBI_COMMAND: if (err == USBD_STALLED) { DPRINTF(UDMASS_CBI, ("%s: Command Transport failed\n", device_get_nameunit(sc->sc_dev))); /* Status transport by control pipe (section 2.3.2.1). * The command contained in the command block failed. * * The control pipe has already been unstalled by the * USB stack. * Section 2.4.3.1.1 states that the bulk in endpoints * should not be stalled at this point. */ sc->transfer_state = TSTATE_IDLE; sc->transfer_cb(sc, sc->transfer_priv, sc->transfer_datalen, STATUS_CMD_FAILED); return; } else if (err) { DPRINTF(UDMASS_CBI, ("%s: failed to send ADSC\n", device_get_nameunit(sc->sc_dev))); umass_cbi_reset(sc, STATUS_WIRE_FAILED); return; } sc->transfer_state = TSTATE_CBI_DATA; if (sc->transfer_dir == DIR_IN) { if (umass_setup_transfer(sc, sc->bulkin_pipe, sc->transfer_data, sc->transfer_datalen, USBD_SHORT_XFER_OK, sc->transfer_xfer[XFER_CBI_DATA])) umass_cbi_reset(sc, STATUS_WIRE_FAILED); } else if (sc->transfer_dir == DIR_OUT) { if (umass_setup_transfer(sc, sc->bulkout_pipe, sc->transfer_data, sc->transfer_datalen, 0, /* fixed length transfer */ sc->transfer_xfer[XFER_CBI_DATA])) umass_cbi_reset(sc, STATUS_WIRE_FAILED); } else if (sc->proto & UMASS_PROTO_CBI_I) { DPRINTF(UDMASS_CBI, ("%s: no data phase\n", device_get_nameunit(sc->sc_dev))); sc->transfer_state = TSTATE_CBI_STATUS; if (umass_setup_transfer(sc, sc->intrin_pipe, &sc->sbl, sizeof(sc->sbl), 0, /* fixed length transfer */ sc->transfer_xfer[XFER_CBI_STATUS])){ umass_cbi_reset(sc, STATUS_WIRE_FAILED); } } else { DPRINTF(UDMASS_CBI, ("%s: no data phase\n", device_get_nameunit(sc->sc_dev))); /* No command completion interrupt. Request * sense data. */ sc->transfer_state = TSTATE_IDLE; sc->transfer_cb(sc, sc->transfer_priv, 0, STATUS_CMD_UNKNOWN); } return; case TSTATE_CBI_DATA: /* retrieve the length of the transfer that was done */ usbd_get_xfer_status(xfer,NULL,NULL,&sc->transfer_actlen,NULL); if (err) { DPRINTF(UDMASS_CBI, ("%s: Data-%s %db failed, " "%s\n", device_get_nameunit(sc->sc_dev), (sc->transfer_dir == DIR_IN?"in":"out"), sc->transfer_datalen,usbd_errstr(err))); if (err == USBD_STALLED) { umass_clear_endpoint_stall(sc, sc->bulkin, sc->bulkin_pipe, TSTATE_CBI_DCLEAR, sc->transfer_xfer[XFER_CBI_DCLEAR]); } else { umass_cbi_reset(sc, STATUS_WIRE_FAILED); } return; } DIF(UDMASS_CBI, if (sc->transfer_dir == DIR_IN) umass_dump_buffer(sc, sc->transfer_data, sc->transfer_actlen, 48)); if (sc->proto & UMASS_PROTO_CBI_I) { sc->transfer_state = TSTATE_CBI_STATUS; if (umass_setup_transfer(sc, sc->intrin_pipe, &sc->sbl, sizeof(sc->sbl), 0, /* fixed length transfer */ sc->transfer_xfer[XFER_CBI_STATUS])){ umass_cbi_reset(sc, STATUS_WIRE_FAILED); } } else { /* No command completion interrupt. Request * sense to get status of command. */ sc->transfer_state = TSTATE_IDLE; sc->transfer_cb(sc, sc->transfer_priv, sc->transfer_datalen - sc->transfer_actlen, STATUS_CMD_UNKNOWN); } return; case TSTATE_CBI_STATUS: if (err) { DPRINTF(UDMASS_CBI, ("%s: Status Transport failed\n", device_get_nameunit(sc->sc_dev))); /* Status transport by interrupt pipe (section 2.3.2.2). */ if (err == USBD_STALLED) { umass_clear_endpoint_stall(sc, sc->intrin, sc->intrin_pipe, TSTATE_CBI_SCLEAR, sc->transfer_xfer[XFER_CBI_SCLEAR]); } else { umass_cbi_reset(sc, STATUS_WIRE_FAILED); } return; } /* Dissect the information in the buffer */ if (sc->proto & UMASS_PROTO_UFI) { int status; /* Section 3.4.3.1.3 specifies that the UFI command * protocol returns an ASC and ASCQ in the interrupt * data block. */ DPRINTF(UDMASS_CBI, ("%s: UFI CCI, ASC = 0x%02x, " "ASCQ = 0x%02x\n", device_get_nameunit(sc->sc_dev), sc->sbl.ufi.asc, sc->sbl.ufi.ascq)); if (sc->sbl.ufi.asc == 0 && sc->sbl.ufi.ascq == 0) status = STATUS_CMD_OK; else status = STATUS_CMD_FAILED; sc->transfer_state = TSTATE_IDLE; sc->transfer_cb(sc, sc->transfer_priv, sc->transfer_datalen - sc->transfer_actlen, status); } else { /* Command Interrupt Data Block */ DPRINTF(UDMASS_CBI, ("%s: type=0x%02x, value=0x%02x\n", device_get_nameunit(sc->sc_dev), sc->sbl.common.type, sc->sbl.common.value)); if (sc->sbl.common.type == IDB_TYPE_CCI) { int err; if ((sc->sbl.common.value&IDB_VALUE_STATUS_MASK) == IDB_VALUE_PASS) { err = STATUS_CMD_OK; } else if ((sc->sbl.common.value & IDB_VALUE_STATUS_MASK) == IDB_VALUE_FAIL || (sc->sbl.common.value & IDB_VALUE_STATUS_MASK) == IDB_VALUE_PERSISTENT) { err = STATUS_CMD_FAILED; } else { err = STATUS_WIRE_FAILED; } sc->transfer_state = TSTATE_IDLE; sc->transfer_cb(sc, sc->transfer_priv, sc->transfer_datalen-sc->transfer_actlen, err); } } return; case TSTATE_CBI_DCLEAR: if (err) { /* should not occur */ kprintf("%s: CBI bulk-in/out stall clear failed, %s\n", device_get_nameunit(sc->sc_dev), usbd_errstr(err)); umass_cbi_reset(sc, STATUS_WIRE_FAILED); } sc->transfer_state = TSTATE_IDLE; sc->transfer_cb(sc, sc->transfer_priv, sc->transfer_datalen, STATUS_CMD_FAILED); return; case TSTATE_CBI_SCLEAR: if (err) /* should not occur */ kprintf("%s: CBI intr-in stall clear failed, %s\n", device_get_nameunit(sc->sc_dev), usbd_errstr(err)); /* Something really bad is going on. Reset the device */ umass_cbi_reset(sc, STATUS_CMD_FAILED); return; /***** CBI Reset *****/ case TSTATE_CBI_RESET1: if (err) kprintf("%s: CBI reset failed, %s\n", device_get_nameunit(sc->sc_dev), usbd_errstr(err)); umass_clear_endpoint_stall(sc, sc->bulkin, sc->bulkin_pipe, TSTATE_CBI_RESET2, sc->transfer_xfer[XFER_CBI_RESET2]); return; case TSTATE_CBI_RESET2: if (err) /* should not occur */ kprintf("%s: CBI bulk-in stall clear failed, %s\n", device_get_nameunit(sc->sc_dev), usbd_errstr(err)); /* no error recovery, otherwise we end up in a loop */ umass_clear_endpoint_stall(sc, sc->bulkout, sc->bulkout_pipe, TSTATE_CBI_RESET3, sc->transfer_xfer[XFER_CBI_RESET3]); return; case TSTATE_CBI_RESET3: if (err) /* should not occur */ kprintf("%s: CBI bulk-out stall clear failed, %s\n", device_get_nameunit(sc->sc_dev), usbd_errstr(err)); /* no error recovery, otherwise we end up in a loop */ sc->transfer_state = TSTATE_IDLE; if (sc->transfer_priv) { sc->transfer_cb(sc, sc->transfer_priv, sc->transfer_datalen, sc->transfer_status); } return; /***** Default *****/ default: panic("%s: Unknown state %d", device_get_nameunit(sc->sc_dev), sc->transfer_state); } } /* * CAM specific functions (used by SCSI, UFI, 8070i (ATAPI)) */ static int umass_cam_attach_sim(struct umass_softc *sc) { struct cam_devq *devq; /* Per device Queue */ /* A HBA is attached to the CAM layer. * * The CAM layer will then after a while start probing for * devices on the bus. The number of SIMs is limited to one. */ callout_init(&sc->rescan_timeout); devq = cam_simq_alloc(1 /*maximum openings*/); if (devq == NULL) return(ENOMEM); sc->umass_sim = cam_sim_alloc(umass_cam_action, umass_cam_poll, DEVNAME_SIM, sc /*priv*/, device_get_unit(sc->sc_dev) /*unit number*/, &sim_mplock, 1 /*maximum device openings*/, 0 /*maximum tagged device openings*/, devq); cam_simq_release(devq); if (sc->umass_sim == NULL) return(ENOMEM); /* * If we could not register the bus we must immediately free the * sim so we do not attempt to deregister a bus later on that we * had not registered. */ if (xpt_bus_register(sc->umass_sim, device_get_unit(sc->sc_dev)) != CAM_SUCCESS) { cam_sim_free(sc->umass_sim); sc->umass_sim = NULL; return(ENOMEM); } return(0); } static void umass_cam_rescan_callback(struct cam_periph *periph, union ccb *ccb) { #ifdef USB_DEBUG if (ccb->ccb_h.status != CAM_REQ_CMP) { DPRINTF(UDMASS_SCSI, ("%s:%d Rescan failed, 0x%04x\n", periph->periph_name, periph->unit_number, ccb->ccb_h.status)); } else { DPRINTF(UDMASS_SCSI, ("%s%d: Rescan succeeded\n", periph->periph_name, periph->unit_number)); } #endif xpt_free_path(ccb->ccb_h.path); kfree(ccb, M_USBDEV); } /* * Rescan the SCSI bus to detect newly added devices. We use * an async rescan to avoid reentrancy issues. */ static void umass_cam_rescan(void *addr) { struct umass_softc *sc = (struct umass_softc *) addr; struct cam_path *path; union ccb *ccb; ccb = kmalloc(sizeof(union ccb), M_USBDEV, M_INTWAIT|M_ZERO); DPRINTF(UDMASS_SCSI, ("scbus%d: scanning for %s:%d:%d:%d\n", cam_sim_path(sc->umass_sim), device_get_nameunit(sc->sc_dev), cam_sim_path(sc->umass_sim), device_get_unit(sc->sc_dev), CAM_LUN_WILDCARD)); if (xpt_create_path(&path, xpt_periph, cam_sim_path(sc->umass_sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { kfree(ccb, M_USBDEV); return; } xpt_setup_ccb(&ccb->ccb_h, path, 5/*priority (low)*/); ccb->ccb_h.func_code = XPT_SCAN_BUS; ccb->ccb_h.cbfcnp = umass_cam_rescan_callback; ccb->crcn.flags = CAM_FLAG_NONE; xpt_action_async(ccb); /* The scan is in progress now. */ } static int umass_cam_attach(struct umass_softc *sc) { #ifndef USB_DEBUG if (bootverbose) #endif kprintf("%s:%d:%d:%d: Attached to scbus%d\n", device_get_nameunit(sc->sc_dev), cam_sim_path(sc->umass_sim), device_get_unit(sc->sc_dev), CAM_LUN_WILDCARD, cam_sim_path(sc->umass_sim)); if (!cold) { /* * Notify CAM of the new device after a 0.2 second delay. Any * failure is benign, as the user can still do it by hand * (camcontrol rescan ). Only do this if we are not * booting, because CAM does a scan after booting has * completed, when interrupts have been enabled. */ callout_reset(&sc->rescan_timeout, MS_TO_TICKS(200), umass_cam_rescan, sc); } return(0); /* always succesfull */ } /* umass_cam_detach * detach from the CAM layer */ static int umass_cam_detach_sim(struct umass_softc *sc) { callout_stop(&sc->rescan_timeout); if (sc->umass_sim) { xpt_bus_deregister(cam_sim_path(sc->umass_sim)); cam_sim_free(sc->umass_sim); sc->umass_sim = NULL; } return(0); } /* umass_cam_action * CAM requests for action come through here */ static void umass_cam_action(struct cam_sim *sim, union ccb *ccb) { struct umass_softc *sc = (struct umass_softc *)sim->softc; /* The softc is still there, but marked as going away. umass_cam_detach * has not yet notified CAM of the lost device however. */ if (sc && (sc->flags & UMASS_FLAGS_GONE)) { DPRINTF(UDMASS_SCSI, ("%s:%d:%d:%d:func_code 0x%04x: " "Invalid target (gone)\n", device_get_nameunit(sc->sc_dev), cam_sim_path(sc->umass_sim), ccb->ccb_h.target_id, ccb->ccb_h.target_lun, ccb->ccb_h.func_code)); ccb->ccb_h.status = CAM_TID_INVALID; xpt_done(ccb); return; } /* Verify, depending on the operation to perform, that we either got a * valid sc, because an existing target was referenced, or otherwise * the SIM is addressed. * * This avoids bombing out at a kprintf and does give the CAM layer some * sensible feedback on errors. */ switch (ccb->ccb_h.func_code) { case XPT_SCSI_IO: case XPT_RESET_DEV: case XPT_GET_TRAN_SETTINGS: case XPT_SET_TRAN_SETTINGS: case XPT_CALC_GEOMETRY: /* the opcodes requiring a target. These should never occur. */ if (sc == NULL) { kprintf("%s:%d:%d:%d:func_code 0x%04x: " "Invalid target (target needed)\n", DEVNAME_SIM, 0, ccb->ccb_h.target_id, ccb->ccb_h.target_lun, ccb->ccb_h.func_code); ccb->ccb_h.status = CAM_TID_INVALID; xpt_done(ccb); return; } break; case XPT_PATH_INQ: case XPT_NOOP: /* The opcodes sometimes aimed at a target (sc is valid), * sometimes aimed at the SIM (sc is invalid and target is * CAM_TARGET_WILDCARD) */ if (sc == NULL && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { DPRINTF(UDMASS_SCSI, ("%s:%d:%d:%d:func_code 0x%04x: " "Invalid target (no wildcard)\n", DEVNAME_SIM, 0, ccb->ccb_h.target_id, ccb->ccb_h.target_lun, ccb->ccb_h.func_code)); ccb->ccb_h.status = CAM_TID_INVALID; xpt_done(ccb); return; } break; default: /* XXX Hm, we should check the input parameters */ break; } /* Perform the requested action */ switch (ccb->ccb_h.func_code) { case XPT_SCSI_IO: { struct ccb_scsiio *csio = &ccb->csio; /* deref union */ int dir; unsigned char *cmd; int cmdlen; unsigned char *rcmd; int rcmdlen; DPRINTF(UDMASS_SCSI, ("%s:%d:%d:%d:XPT_SCSI_IO: " "cmd: 0x%02x, flags: 0x%02x, " "%db cmd/%db data/%db sense\n", device_get_nameunit(sc->sc_dev), cam_sim_path(sc->umass_sim), ccb->ccb_h.target_id, ccb->ccb_h.target_lun, csio->cdb_io.cdb_bytes[0], ccb->ccb_h.flags & CAM_DIR_MASK, csio->cdb_len, csio->dxfer_len, csio->sense_len)); /* clear the end of the buffer to make sure we don't send out * garbage. */ DIF(UDMASS_SCSI, if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) umass_dump_buffer(sc, csio->data_ptr, csio->dxfer_len, 48)); if (sc->transfer_state != TSTATE_IDLE) { DPRINTF(UDMASS_SCSI, ("%s:%d:%d:%d:XPT_SCSI_IO: " "I/O in progress, deferring (state %d, %s)\n", device_get_nameunit(sc->sc_dev), cam_sim_path(sc->umass_sim), ccb->ccb_h.target_id, ccb->ccb_h.target_lun, sc->transfer_state,states[sc->transfer_state])); ccb->ccb_h.status = CAM_SCSI_BUSY; xpt_done(ccb); return; } switch(ccb->ccb_h.flags&CAM_DIR_MASK) { case CAM_DIR_IN: dir = DIR_IN; break; case CAM_DIR_OUT: dir = DIR_OUT; break; default: dir = DIR_NONE; } ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED; if (csio->ccb_h.flags & CAM_CDB_POINTER) { cmd = (unsigned char *) csio->cdb_io.cdb_ptr; } else { cmd = (unsigned char *) &csio->cdb_io.cdb_bytes; } cmdlen = csio->cdb_len; rcmd = (unsigned char *) &sc->cam_scsi_command; rcmdlen = sizeof(sc->cam_scsi_command); /* sc->transform will convert the command to the command * (format) needed by the specific command set and return * the converted command in a buffer pointed to be rcmd. * We pass in a buffer, but if the command does not * have to be transformed it returns a ptr to the original * buffer (see umass_scsi_transform). */ if (sc->transform(sc, cmd, cmdlen, &rcmd, &rcmdlen)) { /* * Handle EVPD inquiry for broken devices first * NO_INQUIRY also implies NO_INQUIRY_EVPD */ if ((sc->quirks & (NO_INQUIRY_EVPD | NO_INQUIRY)) && rcmd[0] == INQUIRY && (rcmd[1] & SI_EVPD)) { struct scsi_sense_data *sense; sense = &ccb->csio.sense_data; bzero(sense, sizeof(*sense)); sense->error_code = SSD_CURRENT_ERROR; sense->flags = SSD_KEY_ILLEGAL_REQUEST; sense->add_sense_code = 0x24; sense->extra_len = 10; ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID; xpt_done(ccb); return; } /* Return fake inquiry data for broken devices */ if ((sc->quirks & NO_INQUIRY) && rcmd[0] == INQUIRY) { struct ccb_scsiio *csio = &ccb->csio; memcpy(csio->data_ptr, &fake_inq_data, sizeof(fake_inq_data)); csio->scsi_status = SCSI_STATUS_OK; ccb->ccb_h.status = CAM_REQ_CMP; xpt_done(ccb); return; } if ((sc->quirks & FORCE_SHORT_INQUIRY) && rcmd[0] == INQUIRY) { csio->dxfer_len = SHORT_INQUIRY_LENGTH; } sc->transfer(sc, ccb->ccb_h.target_lun, rcmd, rcmdlen, csio->data_ptr, csio->dxfer_len, dir, ccb->ccb_h.timeout, umass_cam_cb, (void *) ccb); } else { ccb->ccb_h.status = CAM_REQ_INVALID; xpt_done(ccb); } break; } case XPT_PATH_INQ: { struct ccb_pathinq *cpi = &ccb->cpi; DPRINTF(UDMASS_SCSI, ("%s:%d:%d:%d:XPT_PATH_INQ:.\n", (sc == NULL ? DEVNAME_SIM : device_get_nameunit(sc->sc_dev)), (sc == NULL ? 0 : cam_sim_path(sc->umass_sim)), ccb->ccb_h.target_id, ccb->ccb_h.target_lun)); /* host specific information */ cpi->version_num = 1; cpi->hba_inquiry = 0; cpi->target_sprt = 0; cpi->hba_misc = PIM_NO_6_BYTE; cpi->hba_eng_cnt = 0; cpi->max_target = UMASS_SCSIID_MAX; /* one target */ cpi->initiator_id = UMASS_SCSIID_HOST; strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); strncpy(cpi->hba_vid, "USB SCSI", HBA_IDLEN); strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); cpi->unit_number = cam_sim_unit(sim); if (sc == NULL) { cpi->base_transfer_speed = 0; cpi->max_lun = 0; } else { cpi->bus_id = device_get_unit(sc->sc_dev); if (sc->quirks & FLOPPY_SPEED) { cpi->base_transfer_speed = UMASS_FLOPPY_TRANSFER_SPEED; } else if (usbd_get_speed(sc->sc_udev) == USB_SPEED_HIGH) { cpi->base_transfer_speed = UMASS_HIGH_TRANSFER_SPEED; } else { cpi->base_transfer_speed = UMASS_FULL_TRANSFER_SPEED; } cpi->max_lun = sc->maxlun; } cpi->ccb_h.status = CAM_REQ_CMP; xpt_done(ccb); break; } case XPT_RESET_DEV: { DPRINTF(UDMASS_SCSI, ("%s:%d:%d:%d:XPT_RESET_DEV:.\n", device_get_nameunit(sc->sc_dev), cam_sim_path(sc->umass_sim), ccb->ccb_h.target_id, ccb->ccb_h.target_lun)); ccb->ccb_h.status = CAM_REQ_INPROG; umass_reset(sc, umass_cam_cb, ccb); break; } case XPT_GET_TRAN_SETTINGS: { struct ccb_trans_settings *cts = &ccb->cts; cts->protocol = PROTO_SCSI; cts->protocol_version = SCSI_REV_2; cts->transport = XPORT_USB; cts->transport_version = XPORT_VERSION_UNSPECIFIED; cts->xport_specific.valid = 0; ccb->ccb_h.status = CAM_REQ_CMP; xpt_done(ccb); break; } case XPT_SET_TRAN_SETTINGS: { DPRINTF(UDMASS_SCSI, ("%s:%d:%d:%d:XPT_SET_TRAN_SETTINGS:.\n", device_get_nameunit(sc->sc_dev), cam_sim_path(sc->umass_sim), ccb->ccb_h.target_id, ccb->ccb_h.target_lun)); ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; xpt_done(ccb); break; } case XPT_CALC_GEOMETRY: { cam_calc_geometry(&ccb->ccg, /*extended*/1); xpt_done(ccb); break; } case XPT_NOOP: { DPRINTF(UDMASS_SCSI, ("%s:%d:%d:%d:XPT_NOOP:.\n", (sc == NULL ? DEVNAME_SIM : device_get_nameunit(sc->sc_dev)), (sc == NULL ? 0 : cam_sim_path(sc->umass_sim)), ccb->ccb_h.target_id, ccb->ccb_h.target_lun)); ccb->ccb_h.status = CAM_REQ_CMP; xpt_done(ccb); break; } default: DPRINTF(UDMASS_SCSI, ("%s:%d:%d:%d:func_code 0x%04x: " "Not implemented\n", (sc == NULL ? DEVNAME_SIM : device_get_nameunit(sc->sc_dev)), (sc == NULL ? 0 : cam_sim_path(sc->umass_sim)), ccb->ccb_h.target_id, ccb->ccb_h.target_lun, ccb->ccb_h.func_code)); ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; xpt_done(ccb); break; } } static void umass_cam_poll(struct cam_sim *sim) { struct umass_softc *sc = (struct umass_softc *) sim->softc; KKASSERT(sc != NULL); DPRINTF(UDMASS_SCSI, ("%s: CAM poll\n", device_get_nameunit(sc->sc_dev))); usbd_set_polling(sc->sc_udev, 1); usbd_dopoll(sc->iface); usbd_set_polling(sc->sc_udev, 0); } /* umass_cam_cb * finalise a completed CAM command */ static void umass_cam_cb(struct umass_softc *sc, void *priv, int residue, int status) { union ccb *ccb = (union ccb *) priv; struct ccb_scsiio *csio = &ccb->csio; /* deref union */ csio->resid = residue; switch (status) { case STATUS_CMD_OK: ccb->ccb_h.status = CAM_REQ_CMP; if ((sc->quirks & READ_CAPACITY_OFFBY1) && (ccb->ccb_h.func_code == XPT_SCSI_IO) && (csio->cdb_io.cdb_bytes[0] == READ_CAPACITY)) { struct scsi_read_capacity_data *rcap; uint32_t maxsector; rcap = (struct scsi_read_capacity_data *)csio->data_ptr; maxsector = scsi_4btoul(rcap->addr) - 1; scsi_ulto4b(maxsector, rcap->addr); } xpt_done(ccb); break; case STATUS_CMD_UNKNOWN: case STATUS_CMD_FAILED: switch (ccb->ccb_h.func_code) { case XPT_SCSI_IO: { unsigned char *rcmd; int rcmdlen; /* fetch sense data */ /* the rest of the command was filled in at attach */ sc->cam_scsi_sense.length = csio->sense_len; DPRINTF(UDMASS_SCSI,("%s: Fetching %db sense data\n", device_get_nameunit(sc->sc_dev), csio->sense_len)); rcmd = (unsigned char *) &sc->cam_scsi_command; rcmdlen = sizeof(sc->cam_scsi_command); if (sc->transform(sc, (unsigned char *) &sc->cam_scsi_sense, sizeof(sc->cam_scsi_sense), &rcmd, &rcmdlen)) { if ((sc->quirks & FORCE_SHORT_INQUIRY) && (rcmd[0] == INQUIRY)) { csio->sense_len = SHORT_INQUIRY_LENGTH; } sc->transfer(sc, ccb->ccb_h.target_lun, rcmd, rcmdlen, &csio->sense_data, csio->sense_len, DIR_IN, ccb->ccb_h.timeout, umass_cam_sense_cb, (void *) ccb); } else { panic("transform(REQUEST_SENSE) failed"); } break; } case XPT_RESET_DEV: /* Reset failed */ ccb->ccb_h.status = CAM_REQ_CMP_ERR; xpt_done(ccb); break; default: panic("umass_cam_cb called for func_code %d", ccb->ccb_h.func_code); } break; case STATUS_WIRE_FAILED: /* the wire protocol failed and will have recovered * (hopefully). We return an error to CAM and let CAM retry * the command if necessary. */ ccb->ccb_h.status = CAM_REQ_CMP_ERR; xpt_done(ccb); break; default: panic("%s: Unknown status %d in umass_cam_cb", device_get_nameunit(sc->sc_dev), status); } } /* Finalise a completed autosense operation */ static void umass_cam_sense_cb(struct umass_softc *sc, void *priv, int residue, int status) { union ccb *ccb = (union ccb *) priv; struct ccb_scsiio *csio = &ccb->csio; /* deref union */ unsigned char *rcmd; int rcmdlen; switch (status) { case STATUS_CMD_OK: case STATUS_CMD_UNKNOWN: case STATUS_CMD_FAILED: /* Getting sense data always succeeds (apart from wire * failures). */ if ((sc->quirks & RS_NO_CLEAR_UA) && csio->cdb_io.cdb_bytes[0] == INQUIRY && (csio->sense_data.flags & SSD_KEY) == SSD_KEY_UNIT_ATTENTION) { /* Ignore unit attention errors in the case where * the Unit Attention state is not cleared on * REQUEST SENSE. They will appear again at the next * command. */ ccb->ccb_h.status = CAM_REQ_CMP; } else if ((csio->sense_data.flags & SSD_KEY) == SSD_KEY_NO_SENSE) { /* No problem after all (in the case of CBI without * CCI) */ ccb->ccb_h.status = CAM_REQ_CMP; } else if ((sc->quirks & RS_NO_CLEAR_UA) && (csio->cdb_io.cdb_bytes[0] == READ_CAPACITY) && ((csio->sense_data.flags & SSD_KEY) == SSD_KEY_UNIT_ATTENTION)) { /* * Some devices do not clear the unit attention error * on request sense. We insert a test unit ready * command to make sure we clear the unit attention * condition, then allow the retry to proceed as * usual. */ ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID; csio->scsi_status = SCSI_STATUS_CHECK_COND; #if 0 DELAY(300000); #endif DPRINTF(UDMASS_SCSI,("%s: Doing a sneaky" "TEST_UNIT_READY\n", device_get_nameunit(sc->sc_dev))); /* the rest of the command was filled in at attach */ rcmd = (unsigned char *) &sc->cam_scsi_command2; rcmdlen = sizeof(sc->cam_scsi_command2); if (sc->transform(sc, (unsigned char *) &sc->cam_scsi_test_unit_ready, sizeof(sc->cam_scsi_test_unit_ready), &rcmd, &rcmdlen)) { sc->transfer(sc, ccb->ccb_h.target_lun, rcmd, rcmdlen, NULL, 0, DIR_NONE, ccb->ccb_h.timeout, umass_cam_quirk_cb, (void *) ccb); } else { panic("transform(TEST_UNIT_READY) failed"); } break; } else { ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID; csio->scsi_status = SCSI_STATUS_CHECK_COND; } xpt_done(ccb); break; default: DPRINTF(UDMASS_SCSI, ("%s: Autosense failed, status %d\n", device_get_nameunit(sc->sc_dev), status)); ccb->ccb_h.status = CAM_AUTOSENSE_FAIL; xpt_done(ccb); } } /* * This completion code just handles the fact that we sent a test-unit-ready * after having previously failed a READ CAPACITY with CHECK_COND. Even * though this command succeeded, we have to tell CAM to retry. */ static void umass_cam_quirk_cb(struct umass_softc *sc, void *priv, int residue, int status) { union ccb *ccb = (union ccb *) priv; DPRINTF(UDMASS_SCSI, ("%s: Test unit ready returned status %d\n", device_get_nameunit(sc->sc_dev), status)); #if 0 ccb->ccb_h.status = CAM_REQ_CMP; #endif ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID; ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; xpt_done(ccb); } static int umass_driver_load(module_t mod, int what, void *arg) { switch (what) { case MOD_UNLOAD: case MOD_LOAD: default: return(usbd_driver_load(mod, what, arg)); } } /* * SCSI specific functions */ static int umass_scsi_transform(struct umass_softc *sc, unsigned char *cmd, int cmdlen, unsigned char **rcmd, int *rcmdlen) { switch (cmd[0]) { case TEST_UNIT_READY: if (sc->quirks & NO_TEST_UNIT_READY) { KASSERT(*rcmdlen >= sizeof(struct scsi_start_stop_unit), ("rcmdlen = %d < %ld, buffer too small", *rcmdlen, (long)sizeof(struct scsi_start_stop_unit))); DPRINTF(UDMASS_SCSI, ("%s: Converted TEST_UNIT_READY " "to START_UNIT\n", device_get_nameunit(sc->sc_dev))); memset(*rcmd, 0, *rcmdlen); (*rcmd)[0] = START_STOP_UNIT; (*rcmd)[4] = SSS_START; return 1; } /* fallthrough */ case INQUIRY: /* some drives wedge when asked for full inquiry information. */ if (sc->quirks & FORCE_SHORT_INQUIRY) { memcpy(*rcmd, cmd, cmdlen); *rcmdlen = cmdlen; (*rcmd)[4] = SHORT_INQUIRY_LENGTH; return 1; } /* fallthrough */ default: *rcmd = cmd; /* We don't need to copy it */ *rcmdlen = cmdlen; } return 1; } /* RBC specific functions */ static int umass_rbc_transform(struct umass_softc *sc, unsigned char *cmd, int cmdlen, unsigned char **rcmd, int *rcmdlen) { switch (cmd[0]) { /* these commands are defined in RBC: */ case READ_10: case READ_CAPACITY: case START_STOP_UNIT: case SYNCHRONIZE_CACHE: case WRITE_10: case 0x2f: /* VERIFY_10 is absent from scsi_all.h??? */ case INQUIRY: case MODE_SELECT_10: case MODE_SENSE_10: case TEST_UNIT_READY: case WRITE_BUFFER: /* The following commands are not listed in my copy of the RBC specs. * CAM however seems to want those, and at least the Sony DSC device * appears to support those as well */ case REQUEST_SENSE: case PREVENT_ALLOW: *rcmd = cmd; /* We don't need to copy it */ *rcmdlen = cmdlen; return 1; /* All other commands are not legal in RBC */ default: kprintf("%s: Unsupported RBC command 0x%02x", device_get_nameunit(sc->sc_dev), cmd[0]); kprintf("\n"); return 0; /* failure */ } } /* * UFI specific functions */ static int umass_ufi_transform(struct umass_softc *sc, unsigned char *cmd, int cmdlen, unsigned char **rcmd, int *rcmdlen) { /* A UFI command is always 12 bytes in length */ KASSERT(*rcmdlen >= UFI_COMMAND_LENGTH, ("rcmdlen = %d < %d, buffer too small", *rcmdlen, UFI_COMMAND_LENGTH)); *rcmdlen = UFI_COMMAND_LENGTH; memset(*rcmd, 0, UFI_COMMAND_LENGTH); switch (cmd[0]) { /* Commands of which the format has been verified. They should work. * Copy the command into the (zeroed out) destination buffer. */ case TEST_UNIT_READY: if (sc->quirks & NO_TEST_UNIT_READY) { /* Some devices do not support this command. * Start Stop Unit should give the same results */ DPRINTF(UDMASS_UFI, ("%s: Converted TEST_UNIT_READY " "to START_UNIT\n", device_get_nameunit(sc->sc_dev))); (*rcmd)[0] = START_STOP_UNIT; (*rcmd)[4] = SSS_START; } else { memcpy(*rcmd, cmd, cmdlen); } return 1; case REZERO_UNIT: case REQUEST_SENSE: case INQUIRY: case START_STOP_UNIT: case SEND_DIAGNOSTIC: case PREVENT_ALLOW: case READ_CAPACITY: case READ_10: case WRITE_10: case POSITION_TO_ELEMENT: /* SEEK_10 */ case MODE_SELECT_10: case MODE_SENSE_10: case READ_12: case WRITE_12: memcpy(*rcmd, cmd, cmdlen); return 1; /* Other UFI commands: FORMAT_UNIT, READ_FORMAT_CAPACITY, * VERIFY, WRITE_AND_VERIFY. * These should be checked whether they somehow can be made to fit. */ default: kprintf("%s: Unsupported UFI command 0x%02x\n", device_get_nameunit(sc->sc_dev), cmd[0]); return 0; /* failure */ } } /* * 8070i (ATAPI) specific functions */ static int umass_atapi_transform(struct umass_softc *sc, unsigned char *cmd, int cmdlen, unsigned char **rcmd, int *rcmdlen) { /* An ATAPI command is always 12 bytes in length. */ KASSERT(*rcmdlen >= ATAPI_COMMAND_LENGTH, ("rcmdlen = %d < %d, buffer too small", *rcmdlen, ATAPI_COMMAND_LENGTH)); *rcmdlen = ATAPI_COMMAND_LENGTH; memset(*rcmd, 0, ATAPI_COMMAND_LENGTH); switch (cmd[0]) { /* Commands of which the format has been verified. They should work. * Copy the command into the (zeroed out) destination buffer. */ case INQUIRY: memcpy(*rcmd, cmd, cmdlen); /* some drives wedge when asked for full inquiry information. */ if (sc->quirks & FORCE_SHORT_INQUIRY) (*rcmd)[4] = SHORT_INQUIRY_LENGTH; return 1; case TEST_UNIT_READY: if (sc->quirks & NO_TEST_UNIT_READY) { KASSERT(*rcmdlen >= sizeof(struct scsi_start_stop_unit), ("rcmdlen = %d < %ld, buffer too small", *rcmdlen, (long)sizeof(struct scsi_start_stop_unit))); DPRINTF(UDMASS_SCSI, ("%s: Converted TEST_UNIT_READY " "to START_UNIT\n", device_get_nameunit(sc->sc_dev))); memset(*rcmd, 0, *rcmdlen); (*rcmd)[0] = START_STOP_UNIT; (*rcmd)[4] = SSS_START; return 1; } /* fallthrough */ default: /* * All commands are passed through, very likely it will just work * regardless whether we know these commands or not. */ memcpy(*rcmd, cmd, cmdlen); return 1; } } /* (even the comment is missing) */ DRIVER_MODULE(umass, uhub, umass_driver, umass_devclass, umass_driver_load, NULL); #ifdef USB_DEBUG static void umass_bbb_dump_cbw(struct umass_softc *sc, umass_bbb_cbw_t *cbw) { int clen = cbw->bCDBLength; int dlen = UGETDW(cbw->dCBWDataTransferLength); u_int8_t *c = cbw->CBWCDB; int tag = UGETDW(cbw->dCBWTag); int flags = cbw->bCBWFlags; DPRINTF(UDMASS_BBB, ("%s: CBW %d: cmd = %db " "(0x%02x%02x%02x%02x%02x%02x%s), " "data = %db, dir = %s\n", device_get_nameunit(sc->sc_dev), tag, clen, c[0], c[1], c[2], c[3], c[4], c[5], (clen > 6? "...":""), dlen, (flags == CBWFLAGS_IN? "in": (flags == CBWFLAGS_OUT? "out":"")))); } static void umass_bbb_dump_csw(struct umass_softc *sc, umass_bbb_csw_t *csw) { int sig = UGETDW(csw->dCSWSignature); int tag = UGETW(csw->dCSWTag); int res = UGETDW(csw->dCSWDataResidue); int status = csw->bCSWStatus; DPRINTF(UDMASS_BBB, ("%s: CSW %d: sig = 0x%08x (%s), tag = %d, " "res = %d, status = 0x%02x (%s)\n", device_get_nameunit(sc->sc_dev), tag, sig, (sig == CSWSIGNATURE? "valid":"invalid"), tag, res, status, (status == CSWSTATUS_GOOD? "good": (status == CSWSTATUS_FAILED? "failed": (status == CSWSTATUS_PHASE? "phase":""))))); } static void umass_cbi_dump_cmd(struct umass_softc *sc, void *cmd, int cmdlen) { u_int8_t *c = cmd; int dir = sc->transfer_dir; DPRINTF(UDMASS_BBB, ("%s: cmd = %db " "(0x%02x%02x%02x%02x%02x%02x%s), " "data = %db, dir = %s\n", device_get_nameunit(sc->sc_dev), cmdlen, c[0], c[1], c[2], c[3], c[4], c[5], (cmdlen > 6? "...":""), sc->transfer_datalen, (dir == DIR_IN? "in": (dir == DIR_OUT? "out": (dir == DIR_NONE? "no data phase": ""))))); } static void umass_dump_buffer(struct umass_softc *sc, u_int8_t *buffer, int buflen, int printlen) { int i, j; char s1[40]; char s2[40]; char s3[5]; s1[0] = '\0'; s3[0] = '\0'; ksprintf(s2, " buffer=%p, buflen=%d", buffer, buflen); for (i = 0; i < buflen && i < printlen; i++) { j = i % 16; if (j == 0 && i != 0) { DPRINTF(UDMASS_GEN, ("%s: 0x %s%s\n", device_get_nameunit(sc->sc_dev), s1, s2)); s2[0] = '\0'; } ksprintf(&s1[j*2], "%02x", buffer[i] & 0xff); } if (buflen > printlen) ksprintf(s3, " ..."); DPRINTF(UDMASS_GEN, ("%s: 0x %s%s%s\n", device_get_nameunit(sc->sc_dev), s1, s2, s3)); } #endif