1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1994-2000 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/promif.h> 30 #include <sys/promimpl.h> 31 32 /* 33 * This service converts the given physical address into a text string, 34 * representing the name of the field-replacable part for the given 35 * physical address. In other words, it tells the kernel which chip got 36 * the (un)correctable ECC error, which info is hopefully relayed to the user! 37 */ 38 int 39 prom_get_unum(int syn_code, unsigned long long physaddr, char *buf, 40 uint_t buflen, int *ustrlen) 41 { 42 cell_t ci[12]; 43 int rv; 44 ihandle_t imemory = prom_memory_ihandle(); 45 46 *ustrlen = -1; 47 if ((imemory == (ihandle_t)-1)) 48 return (-1); 49 50 ci[0] = p1275_ptr2cell("call-method"); /* Service name */ 51 ci[1] = (cell_t)7; /* #argument cells */ 52 ci[2] = (cell_t)2; /* #result cells */ 53 ci[3] = p1275_ptr2cell("SUNW,get-unumber"); /* Arg1: Method name */ 54 ci[4] = p1275_ihandle2cell(imemory); /* Arg2: mem. ihandle */ 55 ci[5] = p1275_uint2cell(buflen); /* Arg3: buflen */ 56 ci[6] = p1275_ptr2cell(buf); /* Arg4: buf */ 57 ci[7] = p1275_ull2cell_high(physaddr); /* Arg5: physhi */ 58 ci[8] = p1275_ull2cell_low(physaddr); /* Arg6: physlo */ 59 ci[9] = p1275_int2cell(syn_code); /* Arg7: bit # */ 60 ci[10] = (cell_t)-1; /* ret1: catch result */ 61 ci[11] = (cell_t)-1; /* ret2: length */ 62 63 promif_preprom(); 64 rv = p1275_cif_handler(&ci); 65 promif_postprom(); 66 67 if (rv != 0) 68 return (rv); 69 if (p1275_cell2int(ci[10]) != 0) /* Res1: catch result */ 70 return (-1); /* "SUNW,get-unumber" failed */ 71 *ustrlen = p1275_cell2uint(ci[11]); /* Res2: unum str length */ 72 return (0); 73 } 74