patch-2.4.22 linux-2.4.22/arch/ia64/sn/io/sn1/eeprom.c
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- Lines: 1422
- Date:
1969-12-31 16:00:00.000000000 -0800
- Orig file:
linux-2.4.21/arch/ia64/sn/io/sn1/eeprom.c
- Orig date:
2003-06-13 07:51:30.000000000 -0700
diff -urN linux-2.4.21/arch/ia64/sn/io/sn1/eeprom.c linux-2.4.22/arch/ia64/sn/io/sn1/eeprom.c
@@ -1,1421 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1999-2002 Silicon Graphics, Inc. All rights reserved.
- */
-
-/*
- * WARNING: There is more than one copy of this file in different isms.
- * All copies must be kept exactly in sync.
- * Do not modify this file without also updating the following:
- *
- * irix/kern/io/eeprom.c
- * stand/arcs/lib/libsk/ml/eeprom.c
- * stand/arcs/lib/libkl/io/eeprom.c
- *
- * (from time to time they might not be in sync but that's due to bringup
- * activity - this comment is to remind us that they eventually have to
- * get back together)
- *
- * eeprom.c
- *
- * access to board-mounted EEPROMs via the L1 system controllers
- *
- */
-
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <asm/sn/sgi.h>
-#include <asm/sn/io.h>
-#include <asm/sn/iograph.h>
-#include <asm/sn/invent.h>
-#include <asm/sn/hcl.h>
-#include <asm/sn/hcl_util.h>
-#include <asm/sn/labelcl.h>
-#include <asm/sn/eeprom.h>
-#include <asm/sn/router.h>
-#include <asm/sn/module.h>
-#include <asm/sn/ksys/l1.h>
-#include <asm/sn/nodepda.h>
-#include <asm/sn/clksupport.h>
-#include <asm/sn/sn_cpuid.h>
-#include <asm/sn/simulator.h>
-
-#if defined(EEPROM_DEBUG)
-#define db_printf(x) printk x
-#else
-#define db_printf(x) printk x
-#endif
-
-#define BCOPY(x,y,z) memcpy(y,x,z)
-
-#define UNDERSCORE 0 /* don't convert underscores to hyphens */
-#define HYPHEN 1 /* convert underscores to hyphens */
-
-void copy_ascii_field( char *to, char *from, int length,
- int change_underscore );
-uint64_t generate_unique_id( char *sn, int sn_len );
-uchar_t char_to_base36( char c );
-int nicify( char *dst, eeprom_brd_record_t *src );
-static void int64_to_hex_string( char *out, uint64_t val );
-
-// extern int router_lock( net_vec_t, int, int );
-// extern int router_unlock( net_vec_t );
-#define ROUTER_LOCK(p) // router_lock(p, 10000, 3000000)
-#define ROUTER_UNLOCK(p) // router_unlock(p)
-
-#define IP27LOG_OVNIC "OverrideNIC"
-
-
-/* the following function converts an EEPROM record to a close facsimile
- * of the string returned by reading a Dallas Semiconductor NIC (see
- * one of the many incarnations of nic.c for details on that driver)
- */
-int nicify( char *dst, eeprom_brd_record_t *src )
-{
- int field_len;
- uint64_t unique_id;
- char *cur_dst = dst;
- eeprom_board_ia_t *board;
-
- board = src->board_ia;
- ASSERT( board ); /* there should always be a board info area */
-
- /* copy part number */
- strcpy( cur_dst, "Part:" );
- cur_dst += strlen( cur_dst );
- ASSERT( (board->part_num_tl & FIELD_FORMAT_MASK)
- == FIELD_FORMAT_ASCII );
- field_len = board->part_num_tl & FIELD_LENGTH_MASK;
- copy_ascii_field( cur_dst, board->part_num, field_len, HYPHEN );
- cur_dst += field_len;
-
- /* copy product name */
- strcpy( cur_dst, ";Name:" );
- cur_dst += strlen( cur_dst );
- ASSERT( (board->product_tl & FIELD_FORMAT_MASK) == FIELD_FORMAT_ASCII );
- field_len = board->product_tl & FIELD_LENGTH_MASK;
- copy_ascii_field( cur_dst, board->product, field_len, UNDERSCORE );
- cur_dst += field_len;
-
- /* copy serial number */
- strcpy( cur_dst, ";Serial:" );
- cur_dst += strlen( cur_dst );
- ASSERT( (board->serial_num_tl & FIELD_FORMAT_MASK)
- == FIELD_FORMAT_ASCII );
- field_len = board->serial_num_tl & FIELD_LENGTH_MASK;
- copy_ascii_field( cur_dst, board->serial_num, field_len,
- HYPHEN);
-
- cur_dst += field_len;
-
- /* copy revision */
- strcpy( cur_dst, ";Revision:");
- cur_dst += strlen( cur_dst );
- ASSERT( (board->board_rev_tl & FIELD_FORMAT_MASK)
- == FIELD_FORMAT_ASCII );
- field_len = board->board_rev_tl & FIELD_LENGTH_MASK;
- copy_ascii_field( cur_dst, board->board_rev, field_len, HYPHEN );
- cur_dst += field_len;
-
- /* EEPROMs don't have equivalents for the Group, Capability and
- * Variety fields, so we pad these with 0's
- */
- strcpy( cur_dst, ";Group:ff;Capability:ffffffff;Variety:ff" );
- cur_dst += strlen( cur_dst );
-
- /* use the board serial number to "fake" a laser id */
- strcpy( cur_dst, ";Laser:" );
- cur_dst += strlen( cur_dst );
- unique_id = generate_unique_id( board->serial_num,
- board->serial_num_tl & FIELD_LENGTH_MASK );
- int64_to_hex_string( cur_dst, unique_id );
- strcat( dst, ";" );
-
- return 1;
-}
-
-
-/* These functions borrow heavily from chars2* in nic.c
- */
-void copy_ascii_field( char *to, char *from, int length,
- int change_underscore )
-{
- int i;
- for( i = 0; i < length; i++ ) {
-
- /* change underscores to hyphens if requested */
- if( from[i] == '_' && change_underscore == HYPHEN )
- to[i] = '-';
-
- /* ; and ; are separators, so mustn't appear within
- * a field */
- else if( from[i] == ':' || from[i] == ';' )
- to[i] = '?';
-
- /* I'm not sure why or if ASCII character 0xff would
- * show up in an EEPROM field, but the NIC parsing
- * routines wouldn't like it if it did... so we
- * get rid of it, just in case. */
- else if( (unsigned char)from[i] == (unsigned char)0xff )
- to[i] = ' ';
-
- /* unprintable characters are replaced with . */
- else if( from[i] < ' ' || from[i] >= 0x7f )
- to[i] = '.';
-
- /* otherwise, just copy the character */
- else
- to[i] = from[i];
- }
-
- if( i == 0 ) {
- to[i] = ' '; /* return at least a space... */
- i++;
- }
- to[i] = 0; /* terminating null */
-}
-
-/* Note that int64_to_hex_string currently only has a big-endian
- * implementation.
- */
-#ifdef _MIPSEB
-static void int64_to_hex_string( char *out, uint64_t val )
-{
- int i;
- uchar_t table[] = "0123456789abcdef";
- uchar_t *byte_ptr = (uchar_t *)&val;
- for( i = 0; i < sizeof(uint64_t); i++ ) {
- out[i*2] = table[ ((*byte_ptr) >> 4) & 0x0f ];
- out[i*2+1] = table[ (*byte_ptr) & 0x0f ];
- byte_ptr++;
- }
- out[i*2] = '\0';
-}
-
-#else /* little endian */
-
-static void int64_to_hex_string( char *out, uint64_t val )
-{
-
-
- printk("int64_to_hex_string needs a little-endian implementation.\n");
-}
-#endif /* _MIPSEB */
-
-/* Convert a standard ASCII serial number to a unique integer
- * id number by treating the serial number string as though
- * it were a base 36 number
- */
-uint64_t generate_unique_id( char *sn, int sn_len )
-{
- int uid = 0;
- int i;
-
- #define VALID_BASE36(c) ((c >= '0' && c <='9') \
- || (c >= 'A' && c <='Z') \
- || (c >= 'a' && c <='z'))
-
- for( i = 0; i < sn_len; i++ ) {
- if( !VALID_BASE36(sn[i]) )
- continue;
- uid *= 36;
- uid += char_to_base36( sn[i] );
- }
-
- if( uid == 0 )
- return rtc_time();
-
- return uid;
-}
-
-uchar_t char_to_base36( char c )
-{
- uchar_t val;
-
- if( c >= '0' && c <= '9' )
- val = (c - '0');
-
- else if( c >= 'A' && c <= 'Z' )
- val = (c - 'A' + 10);
-
- else if( c >= 'a' && c <= 'z' )
- val = (c - 'a' + 10);
-
- else val = 0;
-
- return val;
-}
-
-
-/* given a pointer to the three-byte little-endian EEPROM representation
- * of date-of-manufacture, this function translates to a big-endian
- * integer format
- */
-int eeprom_xlate_board_mfr_date( uchar_t *src )
-{
- int rval = 0;
- rval += *src; src++;
- rval += ((int)(*src) << 8); src ++;
- rval += ((int)(*src) << 16);
- return rval;
-}
-
-
-int eeprom_str( char *nic_str, nasid_t nasid, int component )
-{
- eeprom_brd_record_t eep;
- eeprom_board_ia_t board;
- eeprom_chassis_ia_t chassis;
- int r;
-
- if( (component & C_DIMM) == C_DIMM ) {
- /* this function isn't applicable to DIMMs */
- return EEP_PARAM;
- }
- else {
- eep.board_ia = &board;
- eep.spd = NULL;
- if( !(component & SUBORD_MASK) )
- eep.chassis_ia = &chassis; /* only main boards have a chassis
- * info area */
- else
- eep.chassis_ia = NULL;
- }
-
- switch( component & BRICK_MASK ) {
- case C_BRICK:
- r = cbrick_eeprom_read( &eep, nasid, component );
- break;
- case IO_BRICK:
- r = iobrick_eeprom_read( &eep, nasid, component );
- break;
- default:
- return EEP_PARAM; /* must be an invalid component */
- }
- if( r )
- return r;
- if( !nicify( nic_str, &eep ) )
- return EEP_NICIFY;
-
- return EEP_OK;
-}
-
-int vector_eeprom_str( char *nic_str, nasid_t nasid,
- int component, net_vec_t path )
-{
- eeprom_brd_record_t eep;
- eeprom_board_ia_t board;
- eeprom_chassis_ia_t chassis;
- int r;
-
- eep.board_ia = &board;
- if( !(component & SUBORD_MASK) )
- eep.chassis_ia = &chassis; /* only main boards have a chassis
- * info area */
- else
- eep.chassis_ia = NULL;
-
- if( !(component & VECTOR) )
- return EEP_PARAM;
-
- if( (r = vector_eeprom_read( &eep, nasid, path, component )) )
- return r;
-
- if( !nicify( nic_str, &eep ) )
- return EEP_NICIFY;
-
- return EEP_OK;
-}
-
-
-int is_iobrick( int nasid, int widget_num )
-{
- uint32_t wid_reg;
- int part_num, mfg_num;
-
- /* Read the widget's WIDGET_ID register to get
- * its part number and mfg number
- */
- wid_reg = *(volatile int32_t *)
- (NODE_SWIN_BASE( nasid, widget_num ) + WIDGET_ID);
-
- part_num = (wid_reg & WIDGET_PART_NUM) >> WIDGET_PART_NUM_SHFT;
- mfg_num = (wid_reg & WIDGET_MFG_NUM) >> WIDGET_MFG_NUM_SHFT;
-
- /* Is this the "xbow part" of an XBridge? If so, this
- * widget is definitely part of an I/O brick.
- */
- if( part_num == XXBOW_WIDGET_PART_NUM &&
- mfg_num == XXBOW_WIDGET_MFGR_NUM )
-
- return 1;
-
- /* Is this a "bridge part" of an XBridge? If so, once
- * again, we know this widget is part of an I/O brick.
- */
- if( part_num == XBRIDGE_WIDGET_PART_NUM &&
- mfg_num == XBRIDGE_WIDGET_MFGR_NUM )
-
- return 1;
-
- return 0;
-}
-
-
-int cbrick_uid_get( nasid_t nasid, uint64_t *uid )
-{
- char uid_str[32];
- char msg[BRL1_QSIZE];
- int subch, len;
- l1sc_t sc;
- l1sc_t *scp;
- int local = (nasid == get_nasid());
-
- if ( IS_RUNNING_ON_SIMULATOR() )
- return EEP_L1;
-
- /* If the promlog variable pointed to by IP27LOG_OVNIC is set,
- * use that value for the cbrick UID rather than the EEPROM
- * serial number.
- */
-#ifdef LOG_GETENV
- if( ip27log_getenv( nasid, IP27LOG_OVNIC, uid_str, NULL, 0 ) >= 0 )
- {
- /* We successfully read IP27LOG_OVNIC, so return it as the UID. */
- db_printf(( "cbrick_uid_get:"
- "Overriding UID with environment variable %s\n",
- IP27LOG_OVNIC ));
- *uid = strtoull( uid_str, NULL, 0 );
- return EEP_OK;
- }
-#endif
-
- /* If this brick is retrieving its own uid, use the local l1sc_t to
- * arbitrate access to the l1; otherwise, set up a new one.
- */
- if( local ) {
- scp = get_l1sc();
- }
- else {
- scp = ≻
- sc_init( &sc, nasid, BRL1_LOCALHUB_UART );
- }
-
- /* fill in msg with the opcode & params */
- BZERO( msg, BRL1_QSIZE );
- if( (subch = sc_open( scp, L1_ADDR_LOCAL )) < 0 )
- return EEP_L1;
-
- if( (len = sc_construct_msg( scp, subch, msg, BRL1_QSIZE,
- L1_ADDR_TASK_GENERAL,
- L1_REQ_SER_NUM, 0 )) < 0 )
- {
- sc_close( scp, subch );
- return( EEP_L1 );
- }
-
- /* send the request to the L1 */
- if( sc_command( scp, subch, msg, msg, &len ) ) {
- sc_close( scp, subch );
- return( EEP_L1 );
- }
-
- /* free up subchannel */
- sc_close(scp, subch);
-
- /* check response */
- if( sc_interpret_resp( msg, 2, L1_ARG_ASCII, uid_str ) < 0 )
- {
- return( EEP_L1 );
- }
-
- *uid = generate_unique_id( uid_str, strlen( uid_str ) );
-
- return EEP_OK;
-}
-
-
-int rbrick_uid_get( nasid_t nasid, net_vec_t path, uint64_t *uid )
-{
- char uid_str[32];
- char msg[BRL1_QSIZE];
- int subch, len;
- l1sc_t sc;
-
- if ( IS_RUNNING_ON_SIMULATOR() )
- return EEP_L1;
-
-#define FAIL \
- { \
- *uid = rtc_time(); \
- printk( "rbrick_uid_get failed; using current time as uid\n" ); \
- return EEP_OK; \
- }
-
- ROUTER_LOCK(path);
- sc_init( &sc, nasid, path );
-
- /* fill in msg with the opcode & params */
- BZERO( msg, BRL1_QSIZE );
- if( (subch = sc_open( &sc, L1_ADDR_LOCAL )) < 0 ) {
- ROUTER_UNLOCK(path);
- FAIL;
- }
-
- if( (len = sc_construct_msg( &sc, subch, msg, BRL1_QSIZE,
- L1_ADDR_TASK_GENERAL,
- L1_REQ_SER_NUM, 0 )) < 0 )
- {
- ROUTER_UNLOCK(path);
- sc_close( &sc, subch );
- FAIL;
- }
-
- /* send the request to the L1 */
- if( sc_command( &sc, subch, msg, msg, &len ) ) {
- ROUTER_UNLOCK(path);
- sc_close( &sc, subch );
- FAIL;
- }
-
- /* free up subchannel */
- ROUTER_UNLOCK(path);
- sc_close(&sc, subch);
-
- /* check response */
- if( sc_interpret_resp( msg, 2, L1_ARG_ASCII, uid_str ) < 0 )
- {
- FAIL;
- }
-
- *uid = generate_unique_id( uid_str, strlen( uid_str ) );
-
- return EEP_OK;
-}
-
-int iobrick_uid_get( nasid_t nasid, uint64_t *uid )
-{
- eeprom_brd_record_t eep;
- eeprom_board_ia_t board;
- eeprom_chassis_ia_t chassis;
- int r;
-
- eep.board_ia = &board;
- eep.chassis_ia = &chassis;
- eep.spd = NULL;
-
- r = iobrick_eeprom_read( &eep, nasid, IO_BRICK );
- if( r != EEP_OK ) {
- *uid = rtc_time();
- return r;
- }
-
- *uid = generate_unique_id( board.serial_num,
- board.serial_num_tl & FIELD_LENGTH_MASK );
-
- return EEP_OK;
-}
-
-
-int ibrick_mac_addr_get( nasid_t nasid, char *eaddr )
-{
- eeprom_brd_record_t eep;
- eeprom_board_ia_t board;
- eeprom_chassis_ia_t chassis;
- int r;
- char *tmp;
-
- eep.board_ia = &board;
- eep.chassis_ia = &chassis;
- eep.spd = NULL;
-
- r = iobrick_eeprom_read( &eep, nasid, IO_BRICK );
- if( (r != EEP_OK) || (board.mac_addr[0] == '\0') ) {
- db_printf(( "ibrick_mac_addr_get: "
- "Couldn't read MAC address from EEPROM\n" ));
- return EEP_L1;
- }
- else {
- /* successfully read info area */
- int ix;
- tmp = board.mac_addr;
- for( ix = 0; ix < (board.mac_addr_tl & FIELD_LENGTH_MASK); ix++ )
- {
- *eaddr++ = *tmp++;
- }
- *eaddr = '\0';
- }
-
- return EEP_OK;
-}
-
-
-/*
- * eeprom_vertex_info_set
- *
- * Given a vertex handle, a component designation, a starting nasid
- * and (in the case of a router) a vector path to the component, this
- * function will read the EEPROM and attach the resulting information
- * to the vertex in the same string format as that provided by the
- * Dallas Semiconductor NIC drivers. If the vertex already has the
- * string, this function just returns the string.
- */
-
-extern char *nic_vertex_info_get( devfs_handle_t );
-extern void nic_vmc_check( devfs_handle_t, char * );
-/* the following were lifted from nic.c - change later? */
-#define MAX_INFO 2048
-#define NEWSZ(ptr,sz) ((ptr) = kern_malloc((sz)))
-#define DEL(ptr) (kern_free((ptr)))
-
-char *eeprom_vertex_info_set( int component, int nasid, devfs_handle_t v,
- net_vec_t path )
-{
- char *info_tmp;
- int info_len;
- char *info;
-
- /* see if this vertex is already marked */
- info_tmp = nic_vertex_info_get(v);
- if (info_tmp) return info_tmp;
-
- /* get a temporary place for the data */
- NEWSZ(info_tmp, MAX_INFO);
- if (!info_tmp) return NULL;
-
- /* read the EEPROM */
- if( component & R_BRICK ) {
- if( RBRICK_EEPROM_STR( info_tmp, nasid, path ) != EEP_OK )
- return NULL;
- }
- else {
- if( eeprom_str( info_tmp, nasid, component ) != EEP_OK )
- return NULL;
- }
-
- /* allocate a smaller final place */
- info_len = strlen(info_tmp)+1;
- NEWSZ(info, info_len);
- if (info) {
- strcpy(info, info_tmp);
- DEL(info_tmp);
- } else {
- info = info_tmp;
- }
-
- /* add info to the vertex */
- hwgraph_info_add_LBL(v, INFO_LBL_NIC,
- (arbitrary_info_t) info);
-
- /* see if someone else got there first */
- info_tmp = nic_vertex_info_get(v);
- if (info != info_tmp) {
- DEL(info);
- return info_tmp;
- }
-
- /* export the data */
- hwgraph_info_export_LBL(v, INFO_LBL_NIC, info_len);
-
- /* trigger all matching callbacks */
- nic_vmc_check(v, info);
-
- return info;
-}
-
-
-/*********************************************************************
- *
- * stubs for use until the Bedrock/L1 link is available
- *
- */
-
-#include <asm/sn/nic.h>
-
-/* #define EEPROM_TEST */
-
-/* fake eeprom reading functions (replace when the BR/L1 communication
- * channel is in working order)
- */
-
-
-/* generate a charater in [0-9A-Z]; if an "extra" character is
- * specified (such as '_'), include it as one of the possibilities.
- */
-char random_eeprom_ch( char extra )
-{
- char ch;
- int modval = 36;
- if( extra )
- modval++;
-
- ch = rtc_time() % modval;
-
- if( ch < 10 )
- ch += '0';
- else if( ch >= 10 && ch < 36 )
- ch += ('A' - 10);
- else
- ch = extra;
-
- return ch;
-}
-
-/* create a part number of the form xxx-xxxx-xxx.
- * It may be important later to generate different
- * part numbers depending on the component we're
- * supposed to be "reading" from, so the component
- * paramter is provided.
- */
-void fake_a_part_number( char *buf, int component )
-{
- int i;
- switch( component ) {
-
- /* insert component-specific routines here */
-
- case C_BRICK:
- strcpy( buf, "030-1266-001" );
- break;
- default:
- for( i = 0; i < 12; i++ ) {
- if( i == 3 || i == 8 )
- buf[i] = '-';
- else
- buf[i] = random_eeprom_ch(0);
- }
- }
-}
-
-
-/* create a six-character serial number */
-void fake_a_serial_number( char *buf, uint64_t ser )
-{
- int i;
- static const char hexchars[] = "0123456789ABCDEF";
-
- if (ser) {
- for( i = 5; i >=0; i-- ) {
- buf[i] = hexchars[ser & 0xf];
- ser >>= 4;
- }
- }
- else {
- for( i = 0; i < 6; i++ )
- buf[i] = random_eeprom_ch(0);
- }
-}
-
-
-void fake_a_product_name( uchar_t *format, char* buf, int component )
-{
- switch( component & BRICK_MASK ) {
-
- case C_BRICK:
- if( component & SUBORD_MASK ) {
- strcpy( buf, "C_BRICK_SUB" );
- *format = 0xCB;
- }
- else {
- strcpy( buf, "IP35" );
- *format = 0xC4;
- }
- break;
-
- case R_BRICK:
- if( component & SUBORD_MASK ) {
- strcpy( buf, "R_BRICK_SUB" );
- *format = 0xCB;
- }
- else {
- strcpy( buf, "R_BRICK" );
- *format = 0xC7;
- }
- break;
-
- case IO_BRICK:
- if( component & SUBORD_MASK ) {
- strcpy( buf, "IO_BRICK_SUB" );
- *format = 0xCC;
- }
- else {
- strcpy( buf, "IO_BRICK" );
- *format = 0xC8;
- }
- break;
-
- default:
- strcpy( buf, "UNK_DEVICE" );
- *format = 0xCA;
- }
-}
-
-
-
-int fake_an_eeprom_record( eeprom_brd_record_t *buf, int component,
- uint64_t ser )
-{
- eeprom_board_ia_t *board;
- eeprom_chassis_ia_t *chassis;
- int i, cs;
-
- board = buf->board_ia;
- chassis = buf->chassis_ia;
-
- if( !(component & SUBORD_MASK) ) {
- if( !chassis )
- return EEP_PARAM;
- chassis->format = 0;
- chassis->length = 5;
- chassis->type = 0x17;
-
- chassis->part_num_tl = 0xCC;
- fake_a_part_number( chassis->part_num, component );
- chassis->serial_num_tl = 0xC6;
- fake_a_serial_number( chassis->serial_num, ser );
-
- cs = chassis->format + chassis->length + chassis->type
- + chassis->part_num_tl + chassis->serial_num_tl;
- for( i = 0; i < (chassis->part_num_tl & FIELD_LENGTH_MASK); i++ )
- cs += chassis->part_num[i];
- for( i = 0; i < (chassis->serial_num_tl & FIELD_LENGTH_MASK); i++ )
- cs += chassis->serial_num[i];
- chassis->checksum = 256 - (cs % 256);
- }
-
- if( !board )
- return EEP_PARAM;
- board->format = 0;
- board->length = 10;
- board->language = 0;
- board->mfg_date = 1789200; /* noon, 5/26/99 */
- board->manuf_tl = 0xC3;
- strcpy( board->manuf, "SGI" );
-
- fake_a_product_name( &(board->product_tl), board->product, component );
-
- board->serial_num_tl = 0xC6;
- fake_a_serial_number( board->serial_num, ser );
-
- board->part_num_tl = 0xCC;
- fake_a_part_number( board->part_num, component );
-
- board->board_rev_tl = 0xC2;
- board->board_rev[0] = '0';
- board->board_rev[1] = '1';
-
- board->eeprom_size_tl = 0x01;
- board->eeprom_size = 1;
-
- board->temp_waiver_tl = 0xC2;
- board->temp_waiver[0] = '0';
- board->temp_waiver[1] = '1';
-
- cs = board->format + board->length + board->language
- + (board->mfg_date & 0xFF)
- + (board->mfg_date & 0xFF00)
- + (board->mfg_date & 0xFF0000)
- + board->manuf_tl + board->product_tl + board->serial_num_tl
- + board->part_num_tl + board->board_rev_tl
- + board->board_rev[0] + board->board_rev[1]
- + board->eeprom_size_tl + board->eeprom_size + board->temp_waiver_tl
- + board->temp_waiver[0] + board->temp_waiver[1];
- for( i = 0; i < (board->manuf_tl & FIELD_LENGTH_MASK); i++ )
- cs += board->manuf[i];
- for( i = 0; i < (board->product_tl & FIELD_LENGTH_MASK); i++ )
- cs += board->product[i];
- for( i = 0; i < (board->serial_num_tl & FIELD_LENGTH_MASK); i++ )
- cs += board->serial_num[i];
- for( i = 0; i < (board->part_num_tl & FIELD_LENGTH_MASK); i++ )
- cs += board->part_num[i];
-
- board->checksum = 256 - (cs % 256);
-
- return EEP_OK;
-}
-
-#define EEPROM_CHUNKSIZE 64
-
-#if defined(EEPROM_DEBUG)
-#define RETURN_ERROR \
-{ \
- printk( "read_ia error return, component 0x%x, line %d" \
- ", address 0x%x, ia code 0x%x\n", \
- l1_compt, __LINE__, sc->subch[subch].target, ia_code ); \
- return EEP_L1; \
-}
-
-#else
-#define RETURN_ERROR return(EEP_L1)
-#endif
-
-int read_ia( l1sc_t *sc, int subch, int l1_compt,
- int ia_code, char *eep_record )
-{
- char msg[BRL1_QSIZE]; /* message buffer */
- int len; /* number of bytes used in message buffer */
- int ia_len = EEPROM_CHUNKSIZE; /* remaining bytes in info area */
- int offset = 0; /* current offset into info area */
-
- if ( IS_RUNNING_ON_SIMULATOR() )
- return EEP_L1;
-
- BZERO( msg, BRL1_QSIZE );
-
- /* retrieve EEPROM data in 64-byte chunks
- */
-
- while( ia_len )
- {
- /* fill in msg with opcode & params */
- if( (len = sc_construct_msg( sc, subch, msg, BRL1_QSIZE,
- L1_ADDR_TASK_GENERAL,
- L1_REQ_EEPROM, 8,
- L1_ARG_INT, l1_compt,
- L1_ARG_INT, ia_code,
- L1_ARG_INT, offset,
- L1_ARG_INT, ia_len )) < 0 )
- {
- RETURN_ERROR;
- }
-
- /* send the request to the L1 */
-
- if( sc_command( sc, subch, msg, msg, &len ) ) {
- RETURN_ERROR;
- }
-
- /* check response */
- if( sc_interpret_resp( msg, 5,
- L1_ARG_INT, &ia_len,
- L1_ARG_UNKNOWN, &len, eep_record ) < 0 )
- {
- RETURN_ERROR;
- }
-
- if( ia_len > EEPROM_CHUNKSIZE )
- ia_len = EEPROM_CHUNKSIZE;
-
- eep_record += EEPROM_CHUNKSIZE;
- offset += EEPROM_CHUNKSIZE;
- }
-
- return EEP_OK;
-}
-
-
-int read_spd( l1sc_t *sc, int subch, int l1_compt,
- eeprom_spd_u *spd )
-{
- char msg[BRL1_QSIZE]; /* message buffer */
- int len; /* number of bytes used in message buffer */
- int resp; /* l1 response code */
- int spd_len = EEPROM_CHUNKSIZE; /* remaining bytes in spd record */
- int offset = 0; /* current offset into spd record */
- char *spd_p = spd->bytes; /* "thumb" for writing to spd */
-
- if ( IS_RUNNING_ON_SIMULATOR() )
- return EEP_L1;
-
- BZERO( msg, BRL1_QSIZE );
-
- /* retrieve EEPROM data in 64-byte chunks
- */
-
- while( spd_len )
- {
- /* fill in msg with opcode & params */
- if( (len = sc_construct_msg( sc, subch, msg, BRL1_QSIZE,
- L1_ADDR_TASK_GENERAL,
- L1_REQ_EEPROM, 8,
- L1_ARG_INT, l1_compt,
- L1_ARG_INT, L1_EEP_SPD,
- L1_ARG_INT, offset,
- L1_ARG_INT, spd_len )) < 0 )
- {
- return( EEP_L1 );
- }
-
- /* send the request to the L1 */
- if( sc_command( sc, subch, msg, msg, &len ) ) {
- return( EEP_L1 );
- }
-
- /* check response */
- if( (resp = sc_interpret_resp( msg, 5,
- L1_ARG_INT, &spd_len,
- L1_ARG_UNKNOWN, &len, spd_p )) < 0 )
- {
- /*
- * translate l1 response code to eeprom.c error codes:
- * The L1 response will be L1_RESP_NAVAIL if the spd
- * can't be read (i.e. the spd isn't physically there). It will
- * return L1_RESP_INVAL if the spd exists, but fails the checksum
- * test because the eeprom wasn't programmed, programmed incorrectly,
- * or corrupted. L1_RESP_NAVAIL indicates the eeprom is likely not present,
- * whereas L1_RESP_INVAL indicates the eeprom is present, but the data is
- * invalid.
- */
- if(resp == L1_RESP_INVAL) {
- resp = EEP_BAD_CHECKSUM;
- } else {
- resp = EEP_L1;
- }
- return( resp );
- }
-
- if( spd_len > EEPROM_CHUNKSIZE )
- spd_len = EEPROM_CHUNKSIZE;
-
- spd_p += EEPROM_CHUNKSIZE;
- offset += EEPROM_CHUNKSIZE;
- }
- return EEP_OK;
-}
-
-
-int read_chassis_ia( l1sc_t *sc, int subch, int l1_compt,
- eeprom_chassis_ia_t *ia )
-{
- char eep_record[512]; /* scratch area for building up info area */
- char *eep_rec_p = eep_record; /* thumb for moving through eep_record */
- int checksum = 0; /* use to verify eeprom record checksum */
- int i;
-
- /* Read in info area record from the L1.
- */
- if( read_ia( sc, subch, l1_compt, L1_EEP_CHASSIS, eep_record )
- != EEP_OK )
- {
- return EEP_L1;
- }
-
- /* Now we've got the whole info area. Transfer it to the data structure.
- */
-
- eep_rec_p = eep_record;
- ia->format = *eep_rec_p++;
- ia->length = *eep_rec_p++;
- if( ia->length == 0 ) {
- /* since we're using 8*ia->length-1 as an array index later, make
- * sure it's sane.
- */
- db_printf(( "read_chassis_ia: eeprom length byte of ZERO\n" ));
- return EEP_L1;
- }
- ia->type = *eep_rec_p++;
-
- ia->part_num_tl = *eep_rec_p++;
-
- (void)BCOPY( eep_rec_p, ia->part_num, (ia->part_num_tl & FIELD_LENGTH_MASK) );
- eep_rec_p += (ia->part_num_tl & FIELD_LENGTH_MASK);
-
- ia->serial_num_tl = *eep_rec_p++;
-
- BCOPY( eep_rec_p, ia->serial_num,
- (ia->serial_num_tl & FIELD_LENGTH_MASK) );
- eep_rec_p += (ia->serial_num_tl & FIELD_LENGTH_MASK);
-
- ia->checksum = eep_record[(8 * ia->length) - 1];
-
- /* verify checksum */
- eep_rec_p = eep_record;
- checksum = 0;
- for( i = 0; i < (8 * ia->length); i++ ) {
- checksum += *eep_rec_p++;
- }
-
- if( (checksum & 0xff) != 0 )
- {
- db_printf(( "read_chassis_ia: bad checksum\n" ));
- db_printf(( "read_chassis_ia: target 0x%x uart 0x%lx\n",
- sc->subch[subch].target, sc->uart ));
- return EEP_BAD_CHECKSUM;
- }
-
- return EEP_OK;
-}
-
-
-int read_board_ia( l1sc_t *sc, int subch, int l1_compt,
- eeprom_board_ia_t *ia )
-{
- char eep_record[512]; /* scratch area for building up info area */
- char *eep_rec_p = eep_record; /* thumb for moving through eep_record */
- int checksum = 0; /* running checksum total */
- int i;
-
- BZERO( ia, sizeof( eeprom_board_ia_t ) );
-
- /* Read in info area record from the L1.
- */
- if( read_ia( sc, subch, l1_compt, L1_EEP_BOARD, eep_record )
- != EEP_OK )
- {
- db_printf(( "read_board_ia: error reading info area from L1\n" ));
- return EEP_L1;
- }
-
- /* Now we've got the whole info area. Transfer it to the data structure.
- */
-
- eep_rec_p = eep_record;
- ia->format = *eep_rec_p++;
- ia->length = *eep_rec_p++;
- if( ia->length == 0 ) {
- /* since we're using 8*ia->length-1 as an array index later, make
- * sure it's sane.
- */
- db_printf(( "read_board_ia: eeprom length byte of ZERO\n" ));
- return EEP_L1;
- }
- ia->language = *eep_rec_p++;
-
- ia->mfg_date = eeprom_xlate_board_mfr_date( (uchar_t *)eep_rec_p );
- eep_rec_p += 3;
-
- ia->manuf_tl = *eep_rec_p++;
-
- BCOPY( eep_rec_p, ia->manuf, (ia->manuf_tl & FIELD_LENGTH_MASK) );
- eep_rec_p += (ia->manuf_tl & FIELD_LENGTH_MASK);
-
- ia->product_tl = *eep_rec_p++;
-
- BCOPY( eep_rec_p, ia->product, (ia->product_tl & FIELD_LENGTH_MASK) );
- eep_rec_p += (ia->product_tl & FIELD_LENGTH_MASK);
-
- ia->serial_num_tl = *eep_rec_p++;
-
- BCOPY(eep_rec_p, ia->serial_num, (ia->serial_num_tl & FIELD_LENGTH_MASK));
- eep_rec_p += (ia->serial_num_tl & FIELD_LENGTH_MASK);
-
- ia->part_num_tl = *eep_rec_p++;
-
- BCOPY( eep_rec_p, ia->part_num, (ia->part_num_tl & FIELD_LENGTH_MASK) );
- eep_rec_p += (ia->part_num_tl & FIELD_LENGTH_MASK);
-
- eep_rec_p++; /* we do not use the FRU file id */
-
- ia->board_rev_tl = *eep_rec_p++;
-
- BCOPY( eep_rec_p, ia->board_rev, (ia->board_rev_tl & FIELD_LENGTH_MASK) );
- eep_rec_p += (ia->board_rev_tl & FIELD_LENGTH_MASK);
-
- ia->eeprom_size_tl = *eep_rec_p++;
- ia->eeprom_size = *eep_rec_p++;
-
- ia->temp_waiver_tl = *eep_rec_p++;
-
- BCOPY( eep_rec_p, ia->temp_waiver,
- (ia->temp_waiver_tl & FIELD_LENGTH_MASK) );
- eep_rec_p += (ia->temp_waiver_tl & FIELD_LENGTH_MASK);
-
- /* if there's more, we must be reading a main board; get
- * additional fields
- */
- if( ((unsigned char)*eep_rec_p != (unsigned char)EEPROM_EOF) ) {
-
- ia->ekey_G_tl = *eep_rec_p++;
- BCOPY( eep_rec_p, (char *)&ia->ekey_G,
- ia->ekey_G_tl & FIELD_LENGTH_MASK );
- eep_rec_p += (ia->ekey_G_tl & FIELD_LENGTH_MASK);
-
- ia->ekey_P_tl = *eep_rec_p++;
- BCOPY( eep_rec_p, (char *)&ia->ekey_P,
- ia->ekey_P_tl & FIELD_LENGTH_MASK );
- eep_rec_p += (ia->ekey_P_tl & FIELD_LENGTH_MASK);
-
- ia->ekey_Y_tl = *eep_rec_p++;
- BCOPY( eep_rec_p, (char *)&ia->ekey_Y,
- ia->ekey_Y_tl & FIELD_LENGTH_MASK );
- eep_rec_p += (ia->ekey_Y_tl & FIELD_LENGTH_MASK);
-
- /*
- * need to get a couple more fields if this is an I brick
- */
- if( ((unsigned char)*eep_rec_p != (unsigned char)EEPROM_EOF) ) {
-
- ia->mac_addr_tl = *eep_rec_p++;
- BCOPY( eep_rec_p, ia->mac_addr,
- ia->mac_addr_tl & FIELD_LENGTH_MASK );
- eep_rec_p += (ia->mac_addr_tl & FIELD_LENGTH_MASK);
-
- ia->ieee1394_cfg_tl = *eep_rec_p++;
- BCOPY( eep_rec_p, ia->ieee1394_cfg,
- ia->ieee1394_cfg_tl & FIELD_LENGTH_MASK );
-
- }
- }
-
- ia->checksum = eep_record[(ia->length * 8) - 1];
-
- /* verify checksum */
- eep_rec_p = eep_record;
- checksum = 0;
- for( i = 0; i < (8 * ia->length); i++ ) {
- checksum += *eep_rec_p++;
- }
-
- if( (checksum & 0xff) != 0 )
- {
- db_printf(( "read_board_ia: bad checksum\n" ));
- db_printf(( "read_board_ia: target 0x%x uart 0x%lx\n",
- sc->subch[subch].target, sc->uart ));
- return EEP_BAD_CHECKSUM;
- }
-
- return EEP_OK;
-}
-
-
-int _cbrick_eeprom_read( eeprom_brd_record_t *buf, l1sc_t *scp,
- int component )
-{
- int r;
- uint64_t uid = 0;
-#ifdef LOG_GETENV
- char uid_str[32];
-#endif
- int l1_compt, subch;
-
- if ( IS_RUNNING_ON_SIMULATOR() )
- return EEP_L1;
-
- /* make sure we're targeting a cbrick */
- if( !(component & C_BRICK) )
- return EEP_PARAM;
-
- /* If the promlog variable pointed to by IP27LOG_OVNIC is set,
- * use that value for the cbrick UID rather than the EEPROM
- * serial number.
- */
-#ifdef LOG_GETENV
- if( ip27log_getenv( scp->nasid, IP27LOG_OVNIC, uid_str, "0", 0 ) >= 0 )
- {
- db_printf(( "_cbrick_eeprom_read: "
- "Overriding UID with environment variable %s\n",
- IP27LOG_OVNIC ));
- uid = strtoull( uid_str, NULL, 0 );
- }
-#endif
-
- if( (subch = sc_open( scp, L1_ADDR_LOCAL )) < 0 )
- return EEP_L1;
-
- if((component & C_DIMM) == C_DIMM) {
- l1_compt = L1_EEP_DIMM(component & COMPT_MASK);
- r = read_spd(scp,subch,l1_compt, buf->spd);
- sc_close(scp,subch);
- return(r);
- }
-
- switch( component )
- {
- case C_BRICK:
- /* c-brick motherboard */
- l1_compt = L1_EEP_NODE;
- r = read_chassis_ia( scp, subch, l1_compt, buf->chassis_ia );
- if( r != EEP_OK ) {
- sc_close( scp, subch );
- db_printf(( "_cbrick_eeprom_read: using a fake eeprom record\n" ));
- return fake_an_eeprom_record( buf, component, uid );
- }
- if( uid ) {
- /* If IP27LOG_OVNIC is set, we want to put that value
- * in as our UID. */
- fake_a_serial_number( buf->chassis_ia->serial_num, uid );
- buf->chassis_ia->serial_num_tl = 6;
- }
- break;
-
- case C_PIMM:
- /* one of the PIMM boards */
- l1_compt = L1_EEP_PIMM( component & COMPT_MASK );
- break;
-
- default:
- /* unsupported board type */
- sc_close( scp, subch );
- return EEP_PARAM;
- }
-
- r = read_board_ia( scp, subch, l1_compt, buf->board_ia );
- sc_close( scp, subch );
- if( r != EEP_OK )
- {
- db_printf(( "_cbrick_eeprom_read: using a fake eeprom record\n" ));
- return fake_an_eeprom_record( buf, component, uid );
- }
- return EEP_OK;
-}
-
-
-int cbrick_eeprom_read( eeprom_brd_record_t *buf, nasid_t nasid,
- int component )
-{
- l1sc_t *scp;
- int local = (nasid == get_nasid());
-
- if ( IS_RUNNING_ON_SIMULATOR() )
- return EEP_L1;
-
- /* If this brick is retrieving its own uid, use the local l1sc_t to
- * arbitrate access to the l1; otherwise, set up a new one (prom) or
- * use an existing remote l1sc_t (kernel)
- */
- if( local ) {
- scp = get_l1sc();
- }
- else {
- scp = &NODEPDA( NASID_TO_COMPACT_NODEID(nasid) )->module->elsc;
- }
-
- return _cbrick_eeprom_read( buf, scp, component );
-}
-
-
-int iobrick_eeprom_read( eeprom_brd_record_t *buf, nasid_t nasid,
- int component )
-{
- int r;
- int l1_compt, subch;
- l1sc_t *scp;
- int local = (nasid == get_nasid());
-
- if ( IS_RUNNING_ON_SIMULATOR() )
- return EEP_L1;
-
- /* make sure we're talking to an applicable brick */
- if( !(component & IO_BRICK) ) {
- return EEP_PARAM;
- }
-
- /* If we're talking to this c-brick's attached io brick, use
- * the local l1sc_t; otherwise, set up a new one (prom) or
- * use an existing remote l1sc_t (kernel)
- */
- if( local ) {
- scp = get_l1sc();
- }
- else {
- scp = &NODEPDA( NASID_TO_COMPACT_NODEID(nasid) )->module->elsc;
- }
-
- if( (subch = sc_open( scp, L1_ADDR_LOCALIO )) < 0 )
- return EEP_L1;
-
-
- switch( component )
- {
- case IO_BRICK:
- /* IO brick motherboard */
- l1_compt = L1_EEP_LOGIC;
- r = read_chassis_ia( scp, subch, l1_compt, buf->chassis_ia );
-
- if( r != EEP_OK ) {
- sc_close( scp, subch );
- /*
- * Whenever we no longer need to test on hardware
- * that does not have EEPROMS, then this can be removed.
- */
- r = fake_an_eeprom_record( buf, component, rtc_time() );
- return r;
- }
- break;
-
- case IO_POWER:
- /* IO brick power board */
- l1_compt = L1_EEP_POWER;
- break;
-
- default:
- /* unsupported board type */
- sc_close( scp, subch );
- return EEP_PARAM;
- }
-
- r = read_board_ia( scp, subch, l1_compt, buf->board_ia );
- sc_close( scp, subch );
- if( r != EEP_OK ) {
- return r;
- }
- return EEP_OK;
-}
-
-
-int vector_eeprom_read( eeprom_brd_record_t *buf, nasid_t nasid,
- net_vec_t path, int component )
-{
- int r;
- uint64_t uid = 0;
- int l1_compt, subch;
- l1sc_t sc;
-
- if ( IS_RUNNING_ON_SIMULATOR() )
- return EEP_L1;
-
- /* make sure we're targeting an applicable brick */
- if( !(component & VECTOR) )
- return EEP_PARAM;
-
- switch( component & BRICK_MASK )
- {
- case R_BRICK:
- ROUTER_LOCK( path );
- sc_init( &sc, nasid, path );
-
- if( (subch = sc_open( &sc, L1_ADDR_LOCAL )) < 0 )
- {
- db_printf(( "vector_eeprom_read: couldn't open subch\n" ));
- ROUTER_UNLOCK(path);
- return EEP_L1;
- }
- switch( component )
- {
- case R_BRICK:
- /* r-brick motherboard */
- l1_compt = L1_EEP_LOGIC;
- r = read_chassis_ia( &sc, subch, l1_compt, buf->chassis_ia );
- if( r != EEP_OK ) {
- sc_close( &sc, subch );
- ROUTER_UNLOCK( path );
- printk( "vector_eeprom_read: couldn't get rbrick eeprom info;"
- " using current time as uid\n" );
- uid = rtc_time();
- db_printf(("vector_eeprom_read: using a fake eeprom record\n"));
- return fake_an_eeprom_record( buf, component, uid );
- }
- break;
-
- case R_POWER:
- /* r-brick power board */
- l1_compt = L1_EEP_POWER;
- break;
-
- default:
- /* unsupported board type */
- sc_close( &sc, subch );
- ROUTER_UNLOCK( path );
- return EEP_PARAM;
- }
- r = read_board_ia( &sc, subch, l1_compt, buf->board_ia );
- sc_close( &sc, subch );
- ROUTER_UNLOCK( path );
- if( r != EEP_OK ) {
- db_printf(( "vector_eeprom_read: using a fake eeprom record\n" ));
- return fake_an_eeprom_record( buf, component, uid );
- }
- return EEP_OK;
-
- case C_BRICK:
- sc_init( &sc, nasid, path );
- return _cbrick_eeprom_read( buf, &sc, component );
-
- default:
- /* unsupported brick type */
- return EEP_PARAM;
- }
-}
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)