/* $OpenBSD: umassvar.h,v 1.15 2015/12/16 14:50:26 mpi Exp $ */ /* $NetBSD: umassvar.h,v 1.20 2003/09/08 19:31:01 mycroft Exp $ */ /*- * 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. * * $FreeBSD: src/sys/dev/usb/umass.c,v 1.13 2000/03/26 01:39:12 n_hibma Exp $ */ #ifdef UMASS_DEBUG #define DIF(m, x) if (umassdebug & (m)) do { x ; } while (0) #define DPRINTF(m, x) do { if (umassdebug & (m)) printf x; } while (0) #define UDMASS_UPPER 0x00008000 /* upper layer */ #define UDMASS_GEN 0x00010000 /* general */ #define UDMASS_SCSI 0x00020000 /* scsi */ #define UDMASS_UFI 0x00040000 /* ufi command set */ #define UDMASS_8070 0x00080000 /* 8070i command set */ #define UDMASS_USB 0x00100000 /* USB general */ #define UDMASS_BBB 0x00200000 /* Bulk-Only transfers */ #define UDMASS_CBI 0x00400000 /* CBI transfers */ #define UDMASS_ALL 0xffff0000 /* all of the above */ #define UDMASS_XFER 0x40000000 /* all transfers */ #define UDMASS_CMD 0x80000000 extern int umassdebug; #else #define DIF(m, x) /* nop */ #define DPRINTF(m, x) /* nop */ #endif /* Generic definitions */ #define UFI_COMMAND_LENGTH 12 /* Direction for umass_*_transfer */ #define DIR_NONE 0 #define DIR_IN 1 #define DIR_OUT 2 /* Endpoints for umass */ #define UMASS_BULKIN 0 #define UMASS_BULKOUT 1 #define UMASS_INTRIN 2 #define UMASS_NEP 3 /* Bulk-Only features */ #define UR_BBB_RESET 0xff /* Bulk-Only reset */ #define UR_BBB_GET_MAX_LUN 0xfe /* Command Block Wrapper */ struct umass_bbb_cbw { 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]; }; #define UMASS_BBB_CBW_SIZE 31 /* Command Status Wrapper */ struct umass_bbb_csw { 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 }; #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 { uByte type; #define IDB_TYPE_CCI 0x00 uByte 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 { uByte asc; uByte ascq; } ufi; } umass_cbi_sbl_t; struct umass_softc; /* see below */ typedef void (*umass_callback)(struct umass_softc *, void *, int, int); #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 (*umass_wire_xfer)(struct umass_softc *, int, void *, int, void *, int, int, u_int, umass_callback, void *); typedef void (*umass_wire_reset)(struct umass_softc *, int); typedef void (*umass_wire_state)(struct usbd_xfer *, void *, usbd_status); struct umass_wire_methods { umass_wire_xfer wire_xfer; umass_wire_reset wire_reset; umass_wire_state wire_state; }; struct umass_scsi_softc; /* the per device structure */ struct umass_softc { struct device sc_dev; /* base device */ struct usbd_device *sc_udev; /* device */ struct usbd_interface *sc_iface; /* interface */ int sc_ifaceno; /* interface number */ u_int8_t sc_epaddr[UMASS_NEP]; struct usbd_pipe *sc_pipe[UMASS_NEP]; usb_device_request_t sc_req; const struct umass_wire_methods *sc_methods; u_int8_t sc_wire; /* wire protocol */ #define UMASS_WPROTO_UNSPEC 0 #define UMASS_WPROTO_BBB 1 #define UMASS_WPROTO_CBI 2 #define UMASS_WPROTO_CBI_I 3 u_int8_t sc_cmd; /* command protocol */ #define UMASS_CPROTO_UNSPEC 0 #define UMASS_CPROTO_SCSI 1 #define UMASS_CPROTO_ATAPI 2 #define UMASS_CPROTO_UFI 3 #define UMASS_CPROTO_RBC 4 #define UMASS_CPROTO_ISD_ATA 5 u_int32_t sc_quirks; #define UMASS_QUIRK_WRONG_CSWSIG 0x00000001 #define UMASS_QUIRK_WRONG_CSWTAG 0x00000002 u_int32_t sc_busquirks; /* Bulk specific variables for transfers in progress */ struct umass_bbb_cbw cbw; /* command block wrapper */ struct umass_bbb_csw 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 */ /* 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 */ struct usbd_xfer *transfer_xfer[XFER_NR]; /* for ctrl xfers */ void *data_buffer; int transfer_dir; /* data direction */ void *transfer_data; /* data buffer */ int transfer_datalen; /* (maximum) length */ int transfer_actlen; /* actual length */ umass_callback transfer_cb; /* callback */ void *transfer_priv; /* for callback */ int transfer_status; int transfer_state; #define TSTATE_IDLE 0 #define TSTATE_BBB_COMMAND 1 /* CBW transfer */ #define TSTATE_BBB_DATA 2 /* Data transfer */ #define TSTATE_BBB_DCLEAR 3 /* clear endpt stall */ #define TSTATE_BBB_STATUS1 4 /* clear endpt stall */ #define TSTATE_BBB_SCLEAR 5 /* clear endpt stall */ #define TSTATE_BBB_STATUS2 6 /* CSW transfer */ #define TSTATE_BBB_RESET1 7 /* reset command */ #define TSTATE_BBB_RESET2 8 /* in clear stall */ #define TSTATE_BBB_RESET3 9 /* out clear stall */ #define TSTATE_CBI_COMMAND 10 /* command transfer */ #define TSTATE_CBI_DATA 11 /* data transfer */ #define TSTATE_CBI_STATUS 12 /* status transfer */ #define TSTATE_CBI_DCLEAR 13 /* clear ep stall */ #define TSTATE_CBI_SCLEAR 14 /* clear ep stall */ #define TSTATE_CBI_RESET1 15 /* reset command */ #define TSTATE_CBI_RESET2 16 /* in clear stall */ #define TSTATE_CBI_RESET3 17 /* out clear stall */ #define TSTATE_STATES 18 /* # of states above */ int timeout; /* in msecs */ u_int8_t maxlun; /* max lun supported */ #ifdef UMASS_DEBUG struct timeval tv; #endif int sc_xfer_flags; int sc_refcnt; int sc_sense; struct umass_scsi_softc *bus; /* bus dependent data */ /* For polled transfers */ int polling_depth; usbd_status polled_xfer_status; struct usbd_xfer *next_polled_xfer; }; #define UMASS_MAX_TRANSFER_SIZE MAXBSIZE