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PDP-10.klh10/src/dvni20.h
Olaf Seibert 742b43d025 Initial import of klh10-2.0a.tgz 
dated Nov 19  2001.
Source: http://klh10.trailing-edge.com/
2015-04-27 22:54:12 +02:00

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/* DVNI20.H - NIA-20 Network Interface defniitions
*/
/* $Id: dvni20.h,v 2.3 2001/11/10 21:28:59 klh Exp $
*/
/* Copyright © 1994, 2001 Kenneth L. Harrenstien
** All Rights Reserved
**
** This file is part of the KLH10 Distribution. Use, modification, and
** re-distribution is permitted subject to the terms in the file
** named "LICENSE", which contains the full text of the legal notices
** and should always accompany this Distribution.
**
** This software is provided "AS IS" with NO WARRANTY OF ANY KIND.
**
** This notice (including the copyright and warranty disclaimer)
** must be included in all copies or derivations of this software.
*/
/*
* $Log: dvni20.h,v $
* Revision 2.3 2001/11/10 21:28:59 klh
* Final 2.0 distribution checkin
*
*/
#ifndef NI20_INCLUDED
#define NI20_INCLUDED 1
#ifdef RCSID
RCSID(dvni20_h,"$Id: dvni20.h,v 2.3 2001/11/10 21:28:59 klh Exp $")
#endif
/* Initialization & sole entry point for NI20 driver
*/
#include "kn10dev.h"
extern struct device *dvni20_create(FILE *f, char *s);
#ifndef NI20_NSUP
# define NI20_NSUP 1
#endif
#ifndef RH20_INCLUDED
# include "dvrh20.h" /* Need generic RH20 defs for data channel */
#endif
/* The NI port is a special case of the IPA20-L Computer Interconnect (CI)
** port hardware, which itself is a special-case Massbus/RH20 device.
** By convention the NI is Massbus/RH20 port #5.
*/
/* NI20 Device Number assignment
*/
#define NI20_DEV DEVRH20(5)
/* NI20 CONI bits (LH)
** Read-only by 10; set by port device.
*/
#define NI20CI_PPT 0400000 /* B0 - Port present */
#define NI20CI_DCC 0100000 /* B2 - Diag CSR change */
/* (Set when 10 writes CSR; cleared when
** port reads it).
*/
#define NI20CI_CPE 04000 /* B6 - CRAM parity error */
#define NI20CI_MBE 02000 /* B7 - Mbus error */
#define NI20CI_IDL 0100 /* B11 - Idle */
#define NI20CI_DCP 040 /* B12 - Disable complete */
#define NI20CI_ECP 020 /* B13 - Enable complete */
#define NI20CI_PID 07 /* B15-17 - Port type ID (always 7) */
/* NI20 CONI/CONO bits (RH)
** All may be written by a CONO.
*/
#define NI20CO_CPT 0400000 /* B18 - Clear port */
#define NI20CO_SEB 0200000 /* B19 - Diag Select Ebuf */
/* B20 - Diag Gen Ebus PE */
#define NI20CO_LAR 040000 /* B21 - Diag Select LAR/SQR */
#define NI20CO_SSC 020000 /* B22 - Diag Single Cyc */
/* B23 - */
#define NI20CI_EPE 04000 /* B24 - EBUS PARITY ERROR */
#define NI20CI_FQE 02000 /* B25 - FREE QUEUE ERROR */
/* Set by port; CONO of bit clears it! */
#define NI20CI_DME 01000 /* B26 - DATA MOVER ERROR */
#define NI20CO_CQA 0400 /* B27 - COMMAND QUEUE AVAILABLE */
#define NI20CI_RQA 0200 /* B28 - RESPONSE QUEUE AVAILABLE */
/* Set by port; CONO of bit clears it! */
/* B29 - */
#define NI20CO_DIS 040 /* B30 - DISABLE */
#define NI20CO_ENA 020 /* B31 - ENABLE */
#define NI20CO_MRN 010 /* B32 - MICRO-PROCESSOR RUN */
#define NI20CO_PIA 07 /* B33-35 - PI channel assignment (0 = none) */
/* NI20 DATAO/DATAI word format
** What values are read or written depends on the CONI bit states.
** The sign bit of a DATAO means "Load RAM address register"
*/
#define NI20DO_LRA 0400000 /* LH: B0 Load RAM address reg */
#define NI20DO_RAR 0377740 /* LH: B1-12 RAR (if B0 set) */
#define NI20DO_MSB 020 /* LH: B13 Select LH of u-word (MSBits) */
/* DATAI with
** SEB=0, LAR=1 Reads Last Address Register (addr of last u-instr
** fetched by port)
** <0> <1:13> <14> <15:35>
** LAR: 1 LAR 0 -1
**
** SEB=1 Reads EBUF word
**
** SEB=0, LAR=0 Reads LH or RH of u-word addressed by RAR.
** <0:5> <6:35>
** -1 <bits 0-29 or 30-59 of u-word>
*/
/* DATAO with
** SEB=0 Writes RAR, or LH/RH of u-word addressed by RAR.
** If B0=0: <0:5> <6:35>
** N/A <bits 0-29 or 30-59 of u-word>
** If B0=1: <0> <1:12> <13> <14:35>
** 1 RAR LH=1 N/A
**
** SEB=1 ?? Writes EBUF word?
**
*/
#define NI20_UADR 0377740 /* 7777B12 - Ucode address field in RAR/LAR */
#define NI20_UA_VER 0136 /* Ucode address of major & minor ver #s */
#define NI20_UA_EDT 0137 /* Ucode address of edit # */
#define NI20_UVF_MAJ 0170000 /* RH: 17B23 Major version # in UA_VER LH */
#define NI20_UVF_MIN 01700 /* RH: 17B29 Minor version # in UA_VER LH */
#define NI20_UF_EDT 0177700 /* RH: 1777B29 Edit # in UA_EDT LH */
#define NI20_VERMAJ 01 /* Duplicate actual NIA20 ucode version */
#define NI20_VERMIN 0
#define NI20_EDITNO 0172 /* Edit # (171 is minimum acceptable to T20) */
/* (167 is minimum acceptable to T10) */
/* CRAM Parity Error PCs, to indicate error type */
#define NI20_CPE_INTERR 07750 /* Internal Error */
#define NI20_CPE_SLFTST 07751 /* Startup self-test failed */
#define NI20_CPE_CHNERR 07762 /* Channel Error */
/* Size of internal tables */
#define NI20_NPTT 017 /* Max # of entries in Protocol Type Table */
#define NI20_NMTT 017 /* Max # of entries in Multicast Address Table */
/* NOTE: the NI port spec claims that 16 entries are used for both
** the PTT and MCAT. However, both T10 and T20 allocate only 15 entries,
** and this is the size that the actual NI ucode returns for the RDNSA
** command.
**
** !!!HOWEVER!!! The actual NI ucode *really does* have 16 entries,
** and it *really does* read in 16 words for each table!
**
** Groan.
** Who knows whether this caused any actual lossage for real PDP10s.
**
** The KLH10 will do the Right Thing and only read 15 entries, as advertised.
*/
/* Port Control Block (PCB) definitions
*/
/* Offsets into PCB */
enum {
NI20_PB_CQI=0, /* 0 COMMAND QUEUE INTERLOCK */
NI20_PB_CQF, /* 1 COMMAND QUEUE FLINK */
NI20_PB_CQB, /* 2 COMMAND QUEUE BLINK */
NI20_PB_RS0, /* 3 RESERVED FOR SOFTWARE */
NI20_PB_RQI, /* 4 RESPONSE QUEUE INTERLOCK */
NI20_PB_RQF, /* 5 RESPONSE QUEUE FLINK */
NI20_PB_RQB, /* 6 RESPONSE QUEUE BLINK */
NI20_PB_RS1, /* 7 RESERVED */
NI20_PB_UQI, /* 010 UNKNOWN PROTOCOL TYPE QUEUE INTERLOCK */
NI20_PB_UQF, /* 011 UNKNOWN PROTOCOL TYPE QUEUE FLINK */
NI20_PB_UQB, /* 012 UNKNOWN PROTOCOL TYPE QUEUE BLINK */
NI20_PB_UQL, /* 013 UNKNOWN PROTOCOL TYPE QUEUE LENGTH */
NI20_PB_RS2, /* 014 RESERVED */
NI20_PB_PTT, /* 015 PROTOCOL TYPE TABLE STARTING ADDRESS */
NI20_PB_MTT, /* 016 MULTICAST ADDRESS TABLE STARTING ADDRESS */
NI20_PB_RS3, /* 017 RESERVED */
NI20_PB_ER0, /* 020 KLNI ERROR LOGOUT 0 */
NI20_PB_ER1, /* 021 KLNI ERROR LOGOUT 1 */
NI20_PB_LAD, /* 022 ADDRESS OF CHANNEL LOGOUT WORD 1 */
NI20_PB_CLO, /* 023 CONTENTS OF CHANNEL LOGOUT WORD 1 */
NI20_PB_PBA, /* 024 PORT CONTROL BLOCK BASE ADDRESS */
NI20_PB_PIA, /* 025 PI LEVEL ASSIGNMENT */
NI20_PB_IVA, /* 026 INTERRUPT VECTOR ASSIGNMENT */
NI20_PB_CCW, /* 027 CHANNEL COMMAND WORD */
NI20_PB_RCB /* 030 POINTER TO READ COUNTERS BUFFER */
};
/* Protocol Type Table (PTT) defs */
#define NI20_PT_FLD 0 /* Word offset for various fields */
# define NI20_PTF_ENA 0400000 /* B0 - Enable this protocol */
# define NI20_PTF_MBZ 0377774 /* B1-15 MBZ */
# define NI20_PTF_TYP 03777760 /* B16-31 LH+RH: Protocol Type */
# define NI20_PTF_FRE 01 /* B35 - Software? Entry "free" */
#define NI20_PT_FRQ 1 /* Wd offset for Free Queue header */
#define NI20_PT_VIR 2 /* Software (exec virt addr of FRQ) */
#define NI20_PT_LEN 3 /* Length of a PTT entry */
/* Multi-Cast Address Table (MCAT) defs */
#define NI20_MT_HAD 0 /* High 4 bytes of address */
#define NI20_MT_LAD 1 /* Low 2 bytes (in LH) */
# define NI20_MTF_ENA 01 /* B35 - Enable bit in LAD */
#define NI20_MT_LEN 2 /* Length of a MCAT entry */
/* Queue defs.
** Note T20 waits up to 5 seconds for an interlock word to free up;
** however, during that time it does nothing but spin.
**
** If a queue is empty, the header links both point to the FLINK word.
** If a queue entry is the first, its BLINK points to the header FLINK.
** If a queue entry is the last, its FLINK points to the header FLINK.
** Thus, link manipulation can take place by treating the list as
** completely composed of queue entries, even though one of the
** "entries" is actually part fo the queue header.
*/
/* Queue Header - word offsets */
#define NI20_QH_IWD 0 /* Interlock Word */
#define NI20_QH_FLI 1 /* Forward Link */
#define NI20_QH_BLI 2 /* Backward Link */
#define NI20_QH_QES 3 /* Queue entry size (LEN in T20 code) */
/* Queue Entry - word offsets */
#define NI20_QE_FLI 0 /* Forward Link */
#define NI20_QE_BLI 1 /* Backward Link */
#define NI20_QE_VIR 2 /* Software - Exec virt addr of entry */
#define NI20_QE_OPC 3 /* Operation Code */
/* Command Entry definitions */
#define NI20_CM_FLI NI20_QE_FLI /* Forward link */
#define NI20_CM_BLI NI20_QE_BLI /* Backward Link */
#define NI20_CM_VAD NI20_QE_VIR /* Software */
#define NI20_CM_CMD NI20_QE_OPC /* Command Operation Code etc */
/* Error Status byte */
# define NI20_CMF_STSB 0776000 /* Status byte */
# define NI20_CMF_SRI 0200000 /* 0=Receive, 1=Send */
# define NI20_CMF_ERR 0174000 /* Error Type */
# define NI20_CMF_ERF 02000 /* 1=Error status meaningful (else all MBZ) */
/* Flags byte - for SEND DGM unless otherwise specified */
# define NI20_CMF_PAC 01000 /* Packing; 0=Indust-Compatible, 1=Reserved */
# define NI20_CMF_CRC 0400 /* CRC appended (NB: unused by T10/T20!) */
# define NI20_CMF_PAD 0200 /* Add len, pad if nec (T20: "unused"?) */
/* 0100 reserved */
# define NI20_CMF_BSD 040 /* Using Buffer Seg Descr format */
/* 020 reserved */
/* 010 reserved */
# define NI20_CMF_CLR 010 /* Clear counters (Read-Counters cmd only) */
# define NI20_CMF_RSP 04 /* Response requested (any cmd) */
/* Opcode byte */
# define NI20_CMF_OPC 03770000 /* LH+RH: command opcode */
/* "Time Domain Reflectometry" value.
** For errors 00 and 01, B26-35 of the cmd word are set to
** the time, in 100ns ticks, from the start of transmission until
** the error event was detected by the hardware.
*/
# define NI20_CMF_TDR 01777 /* TDR */
/* Command Opcodes */
#define NI20_OP_FLS 0 /* Flush commands -- must be illegal opcode */
#define NI20_OP_SND 1 /* Send Datagram */
#define NI20_OP_LDM 2 /* Load Multicast Address Table */
#define NI20_OP_LDP 3 /* Load Protocol Type Table */
#define NI20_OP_RCC 4 /* Read and Clear Counters */
#define NI20_OP_RCV 5 /* Datagram Received */
#define NI20_OP_WPL 6 /* Write PLI */
#define NI20_OP_RPL 7 /* Read PLI */
#define NI20_OP_RSI 8 /* Read Station Information */
#define NI20_OP_WSI 9 /* Write Station Information */
/* Error code definitions
**
** Returned in NI20_CMF_ERR field of a response. Note the field
** is only meaningful if the NI20_CMF_ERF bit (low bit) is set.
*/
#define NI20_ERR_EXC 0 /* Excessive collisions */
#define NI20_ERR_CCF 01 /* Carrier check failed */
#define NI20_ERR_CDF 02 /* Collision detect check failed */
#define NI20_ERR_SCI 03 /* Short circuit */
#define NI20_ERR_OCI 04 /* Open circuit */
#define NI20_ERR_FTL 05 /* Frame too long */
#define NI20_ERR_RFD 06 /* Remote failure to defer */
#define NI20_ERR_BCE 07 /* Block check error (CRC error) */
#define NI20_ERR_FER 010 /* Framing error */
#define NI20_ERR_DOV 011 /* Data overrun */
#define NI20_ERR_UPT 012 /* Unrecognized protocol type?!? */
#define NI20_ERR_FTS 013 /* Frame too short */
#define NI20_ERR_SCE 027 /* Spurious channel error */
#define NI20_ERR_CER 030 /* Channel error (WC <> 0) */
#define NI20_ERR_QLV 031 /* Queue length violation */
#define NI20_ERR_IPL 032 /* Illegal PLI function */
#define NI20_ERR_URC 033 /* Unrecognized command */
#define NI20_ERR_BLV 034 /* Buffer length violation */
#define NI20_ERR_RSV 035 /* Reserved */
#define NI20_ERR_TBP 036 /* Xmit buffer parity error */
#define NI20_ERR_INT 037 /* Internal error */
/* SNDDG (1= Send Datagram) command definitions */
#define NI20_CM_SNTXL NI20_CM_CMD+1 /* Word holding text length */
# define NI20_SNF_TXL 0177777 /* B20-35 Text length in bytes */
#define NI20_CM_SNPTY NI20_CM_CMD+2 /* Word holding protocol type */
# define NI20_SNF_PTY 03777740 /* B16-31 Protocol type */
#define NI20_CM_SNFRQ NI20_CM_CMD+3 /* Word holding FREEQ header addr */
/* Note: KLNI.MEM is silent on the use of the FRQ word, and
** the T20 PHYKNI code never references it!
*/
#define NI20_CM_SNHAD NI20_CM_CMD+4 /* High order part of E/N address */
#define NI20_CM_SNLAD NI20_CM_CMD+5 /* Low order part */
#define NI20_CM_SNDTA NI20_CM_CMD+6 /* Non-BSD: 1st word of data */
#define NI20_CM_SNBBA NI20_CM_CMD+6 /* BSD: Physical BSD base address */
/* Note: T20 always uses BSD format for sending */
/* BSD (Buffer-Seg-Descriptor) definitions */
#define NI20_BD_HDR 0 /* Packing mode & data seg addr */
# define NI20_BDF_PAC 04000 /* B6 - Packing mode 0=indust-compat, 1=rsvd */
/* Note T20 def uses field B6-7 ?!? */
# define NI20_BDF_SBA 077777777 /* B12-35 24-bit phys seg base addr */
#define NI20_BD_NXA 1 /* Next BSD address (24-bit) */
#define NI20_BD_SLN 2 /* Seg length */
# define NI20_BDF_SLN 0177777 /* B20-35 16-bit segment length in bytes */
#define NI20_BD_RES 3 /* Reserved for software */
/* LDMCAT (2= Load Multicast Address Table) Command definitions
** (no additional queue data)
*/
/* LDPTT (3= Load Protocol Type Table) Command definitions
** (no additional queue data)
*/
/* RCCNT (4= Read/Clear Counters) Command definitions
** (no additional queue data)
** RCCNT response:
*/
enum ni20_rccntr {
NI20_RC_BR=0, /* BYTES RECEIVED */
NI20_RC_BX, /* BYTES TRANSMITTED */
NI20_RC_FR, /* FRAMES RECEIVED */
NI20_RC_FX, /* FRAMES TRANSMITTED */
NI20_RC_MCB, /* MULTICAST BYTES RECEIVED */
NI20_RC_MCF, /* MULTICAST FRAMES RECEIVED */
NI20_RC_FXD, /* FRAMES XMITTED, INITIALLY DEFERRED */
NI20_RC_FXS, /* FRAMES XMITTED, SINGLE COLLISION */
NI20_RC_FXM, /* FRAMES XMITTED, MULTIPLE COLLISIONS */
NI20_RC_XF, /* TRANSMIT FAILURES */
NI20_RC_XFM, /* TRANSMIT FAILURE BIT MASK */
# define NI20_RCF_LOC 04000 /* B24 - LOSS OF CARRIER */
# define NI20_RCF_XBP 02000 /* B25 - XMIT BUFFER PARITY ERROR */
# define NI20_RCF_RFD 01000 /* B26 - REMOTE FAILURE TO DEFER */
# define NI20_RCF_XFL 0400 /* B27 - XMITTED FRAME TOO LONG */
# define NI20_RCF_OC 0200 /* B28 - OPEN CIRCUIT */
# define NI20_RCF_SC 0100 /* B29 - SHORT CIRCUIT */
# define NI20_RCF_CCF 040 /* B30 - COLLISION DETECT CHECK FAILED */
# define NI20_RCF_EXC 020 /* B31 - EXCESSIVE COLLISIONS */
NI20_RC_CDF, /* CARRIER DETECT CHECK FAILED */
NI20_RC_RF, /* RECEIVE FAILURES */
NI20_RC_RFM, /* RECEIVE FAILURE BIT MASK */
# define NI20_RCF_FLE 0400 /* B27 - FREE LIST PARITY ERROR */
# define NI20_RCF_NFB 0200 /* B28 - NO FREE BUFFERS */
# define NI20_RCF_FTL 0100 /* B29 - FRAME TOO LONG */
# define NI20_RCF_FER 040 /* B30 - FRAMING ERROR */
# define NI20_RCF_BCE 020 /* B31 - BLOCK CHECK ERROR */
NI20_RC_DUN, /* DISCARDED UNKNOWN */
NI20_RC_D01, /* DISCARDED POSITION 1 */
NI20_RC_D02, /* DISCARDED POSITION 2 */
NI20_RC_D03, /* DISCARDED POSITION 3 */
NI20_RC_D04, /* DISCARDED POSITION 4 */
NI20_RC_D05, /* DISCARDED POSITION 5 */
NI20_RC_D06, /* DISCARDED POSITION 6 */
NI20_RC_D07, /* DISCARDED POSITION 7 */
NI20_RC_D08, /* DISCARDED POSITION 8 */
NI20_RC_D09, /* DISCARDED POSITION 9 */
NI20_RC_D10, /* DISCARDED POSITION 10 */
NI20_RC_D11, /* DISCARDED POSITION 11 */
NI20_RC_D12, /* DISCARDED POSITION 12 */
NI20_RC_D13, /* DISCARDED POSITION 13 */
NI20_RC_D14, /* DISCARDED POSITION 14 */
NI20_RC_D15, /* DISCARDED POSITION 15 */
NI20_RC_D16, /* DISCARDED POSITION 16 */
NI20_RC_UFD, /* UNRECOGNIZED FRAME DEST */
NI20_RC_DOV, /* DATA OVERRUN */
NI20_RC_SBU, /* SYSTEM BUFFER UNAVAILABLE */
NI20_RC_UBU, /* USER BUFFER UNAVAILABLE */
NI20_RC_RS0, /* PLI REG RD PAR ERROR,,PLI PARITY ERROR */
NI20_RC_RS1, /* MOVER PARITY ERROR,,CBUS PARITY ERROR */
NI20_RC_RS2, /* EBUS PARITY ERROR,,EBUS QUE PARITY ERROR */
NI20_RC_RS3, /* CHANNEL ERROR,,SPUR CHANNEL ERROR */
NI20_RC_RS4, /* SPUR XMIT ATTN ERROR,,CBUS REQ TIMOUT ERROR */
NI20_RC_RS5, /* EBUS REQ TIMEOUT ERROR,,CSR GRNT TIMEOUT ERROR */
NI20_RC_RS6, /* USED BUFF PARITY ERROR,,XMIT BUFF PARITY ERROR */
NI20_RC_RS7, /* RESERVED FOR UCODE */
NI20_RC_RS8, /* RESERVED FOR UCODE */
NI20_RCLEN /* # of counters */
};
/* DGRCV (5= Datagram Received) Command definitions
*/
#define NI20_CM_RDSIZ NI20_CM_CMD+1 /* Word holding text length */
# define NI20_RDF_SIZ 0177777 /* B20-35 Text len (+4 CRC) in bytes */
#define NI20_CM_RDDHA NI20_CM_CMD+2 /* High order destination addr */
#define NI20_CM_RDDLA NI20_CM_CMD+3 /* Low order part */
#define NI20_CM_RDSHA NI20_CM_CMD+4 /* High order source addr */
#define NI20_CM_RDSLA NI20_CM_CMD+5 /* Low order part */
#define NI20_CM_RDPTY NI20_CM_CMD+6 /* Word holding protocol type */
# define NI20_RDF_PTY 03777740 /* B16-31 Protocol type */
#define NI20_CM_RDPBA NI20_CM_CMD+7 /* Physical BSD base address */
/* WRTPLI (6= Write Port/Link Interface) Command definitions
*/
/* RDPLI (7= Read Port/Link Interface) Command definitions
*/
/* RDNSA (8= Read NI Station Address) Command definitions
** No extra queue entry words for command, but response has:
*/
#define NI20_CM_RSHAD NI20_CM_CMD+1 /* High order station E/N addr */
#define NI20_CM_RSLAD NI20_CM_CMD+2 /* Low order */
#define NI20_CM_RSFLG NI20_CM_CMD+3 /* Misc flags */
# define NI20_RSF_FLGMSK 017 /* All flags */
# define NI20_RSF_CRC 010 /* Allow receipt of frames with CRC errs */
# define NI20_RSF_PMC 04 /* Receive all Multicast frames */
# define NI20_RSF_H40 02 /* Enable heartbeat detection by transceiver */
# define NI20_RSF_PRM 01 /* Promiscuous mode - receive all frames */
#define NI20_CM_RSVER NI20_CM_CMD+4 /* Version & table limits */
# define NI20_RSF_UCV 03770000 /* LH+RH: IPA20-L port Ucode version */
# define NI20_RSF_NMC 07700 /* # of MCAT entries allowed */
# define NI20_RSF_NPT 077 /* # of PTT entries allowed */
/* WRTNSA (9= Write NI Station Address) Command definitions
*/
#define NI20_CM_WSHAD NI20_CM_RSHAD /* High order station E/N addr */
#define NI20_CM_WSLAD NI20_CM_RSLAD /* Low order */
#define NI20_CM_WSFLG NI20_CM_RSFLG /* Misc flags */
/* See NI20_RSF_ defs */
#define NI20_CM_WSRTY NI20_CM_CMD+4 /* Retry count */
# define NI20_WSF_RTY 07777 /* Retry count (default 5) */
/* T20 sets this to 16. */
#endif /* ifndef NI20_INCLUDED */
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