sun4u/cpumem-diagnosis/cmd_Lxcache.c

7bebe46c240b554f47faeed19186123896281967jc/*
7bebe46c240b554f47faeed19186123896281967jc * CDDL HEADER START
7bebe46c240b554f47faeed19186123896281967jc *
7bebe46c240b554f47faeed19186123896281967jc * The contents of this file are subject to the terms of the
7bebe46c240b554f47faeed19186123896281967jc * Common Development and Distribution License (the "License").
7bebe46c240b554f47faeed19186123896281967jc * You may not use this file except in compliance with the License.
7bebe46c240b554f47faeed19186123896281967jc *
7bebe46c240b554f47faeed19186123896281967jc * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
7bebe46c240b554f47faeed19186123896281967jc * or http://www.opensolaris.org/os/licensing.
7bebe46c240b554f47faeed19186123896281967jc * See the License for the specific language governing permissions
7bebe46c240b554f47faeed19186123896281967jc * and limitations under the License.
7bebe46c240b554f47faeed19186123896281967jc *
7bebe46c240b554f47faeed19186123896281967jc * When distributing Covered Code, include this CDDL HEADER in each
7bebe46c240b554f47faeed19186123896281967jc * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
7bebe46c240b554f47faeed19186123896281967jc * If applicable, add the following below this CDDL HEADER, with the
7bebe46c240b554f47faeed19186123896281967jc * fields enclosed by brackets "[]" replaced with your own identifying
7bebe46c240b554f47faeed19186123896281967jc * information: Portions Copyright [yyyy] [name of copyright owner]
7bebe46c240b554f47faeed19186123896281967jc *
7bebe46c240b554f47faeed19186123896281967jc * CDDL HEADER END
7bebe46c240b554f47faeed19186123896281967jc */
7bebe46c240b554f47faeed19186123896281967jc/*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
7bebe46c240b554f47faeed19186123896281967jc * Use is subject to license terms.
7bebe46c240b554f47faeed19186123896281967jc */
7bebe46c240b554f47faeed19186123896281967jc
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
7bebe46c240b554f47faeed19186123896281967jc/*
7bebe46c240b554f47faeed19186123896281967jc * Support routines for managing per-Lxcache state.
7bebe46c240b554f47faeed19186123896281967jc */
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc#include <cmd_Lxcache.h>
7bebe46c240b554f47faeed19186123896281967jc#include <cmd_mem.h>
7bebe46c240b554f47faeed19186123896281967jc#include <cmd_cpu.h>
7bebe46c240b554f47faeed19186123896281967jc#include <cmd.h>
7bebe46c240b554f47faeed19186123896281967jc#include <errno.h>
7bebe46c240b554f47faeed19186123896281967jc#include <fcntl.h>
7bebe46c240b554f47faeed19186123896281967jc#include <unistd.h>
7bebe46c240b554f47faeed19186123896281967jc#include <stdio.h>
7bebe46c240b554f47faeed19186123896281967jc#include <strings.h>
7bebe46c240b554f47faeed19186123896281967jc#include <fm/fmd_api.h>
7bebe46c240b554f47faeed19186123896281967jc#include <sys/fm/protocol.h>
7bebe46c240b554f47faeed19186123896281967jc#include <sys/cheetahregs.h>
7bebe46c240b554f47faeed19186123896281967jc#include <sys/mem_cache.h>
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc#define PN_ECSTATE_NA   5
7bebe46c240b554f47faeed19186123896281967jc/*
7bebe46c240b554f47faeed19186123896281967jc * These values are our threshold values for SERDing CPU's based on the
7bebe46c240b554f47faeed19186123896281967jc * the # of times we have retired a cache line for each category.
7bebe46c240b554f47faeed19186123896281967jc */
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc#define CMD_CPU_SERD_AGG_1      64
7bebe46c240b554f47faeed19186123896281967jc#define CMD_CPU_SERD_AGG_2  64
7bebe46c240b554f47faeed19186123896281967jc
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanianstatic int8_t cmd_lowest_way[16] = {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian/*  0x0 0x1 0x2 0x3 0x4 0x5 0x6 0x7 0x8 0x9 0xa 0xb 0xc 0xd 0xe 0xf */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    -1,  0,  1,  0,  2,  0,  1,  0,  3,  0,  1,  0,  2,  0,  1,  0};
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanianstatic int cmd_num_of_bits[16] = {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian/*  0x0 0x1 0x2 0x3 0x4 0x5 0x6 0x7 0x8 0x9 0xa 0xb 0xc 0xd 0xe 0xf */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    0,  1,  1,  2,  1,  2,  2,  3,  1,  2,  2,  3,  2,  3,  3,  4};
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanianvoid
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_Lxcache_write(fmd_hdl_t *hdl, cmd_Lxcache_t *Lxcache)
7bebe46c240b554f47faeed19186123896281967jc{
7bebe46c240b554f47faeed19186123896281967jc    fmd_buf_write(hdl, NULL, Lxcache->Lxcache_bufname, Lxcache,
7bebe46c240b554f47faeed19186123896281967jc        sizeof (cmd_Lxcache_pers_t));
7bebe46c240b554f47faeed19186123896281967jc}
7bebe46c240b554f47faeed19186123896281967jc
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanianconst char *
d69c2551e89e9440043ac6ff5739b58746286f33jccmd_type_to_str(cmd_ptrsubtype_t pstype)
d69c2551e89e9440043ac6ff5739b58746286f33jc{
d69c2551e89e9440043ac6ff5739b58746286f33jc    switch (pstype) {
d69c2551e89e9440043ac6ff5739b58746286f33jc        case CMD_PTR_CPU_L2DATA:
d69c2551e89e9440043ac6ff5739b58746286f33jc            return ("l2data");
d69c2551e89e9440043ac6ff5739b58746286f33jc            break;
d69c2551e89e9440043ac6ff5739b58746286f33jc        case CMD_PTR_CPU_L3DATA:
d69c2551e89e9440043ac6ff5739b58746286f33jc            return ("l3data");
d69c2551e89e9440043ac6ff5739b58746286f33jc            break;
d69c2551e89e9440043ac6ff5739b58746286f33jc        case CMD_PTR_CPU_L2TAG:
d69c2551e89e9440043ac6ff5739b58746286f33jc            return ("l2tag");
d69c2551e89e9440043ac6ff5739b58746286f33jc            break;
d69c2551e89e9440043ac6ff5739b58746286f33jc        case CMD_PTR_CPU_L3TAG:
d69c2551e89e9440043ac6ff5739b58746286f33jc            return ("l3tag");
d69c2551e89e9440043ac6ff5739b58746286f33jc            break;
d69c2551e89e9440043ac6ff5739b58746286f33jc        default:
d69c2551e89e9440043ac6ff5739b58746286f33jc            return ("unknown");
d69c2551e89e9440043ac6ff5739b58746286f33jc            break;
d69c2551e89e9440043ac6ff5739b58746286f33jc    }
d69c2551e89e9440043ac6ff5739b58746286f33jc}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanianconst char *
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_flags_to_str(int flags)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian{
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    switch (flags) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        case CMD_LxCACHE_F_ACTIVE:
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            return ("ACTIVE");
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        case CMD_LxCACHE_F_FAULTING:
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            return ("FAULTING");
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        case CMD_LxCACHE_F_RETIRED:
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            return ("RETIRED");
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        case CMD_LxCACHE_F_UNRETIRED:
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            return ("UNRETIRED");
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        case CMD_LxCACHE_F_RERETIRED:
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            return ("RERETIRED");
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        default:
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            return ("Unknown_flags");
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanianconst char *
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_reason_to_str(int reason)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian{
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    switch (reason) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        case CMD_LXSUSPECT_DATA:
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            return ("SUSPECT_DATA");
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        case CMD_LXSUSPECT_0_TAG:
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            return ("SUSPECT_0_TAG");
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        case CMD_LXSUSPECT_1_TAG:
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            return ("SUSPECT_1_TAG");
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        case CMD_LXCONVICTED:
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            return ("CONVICTED");
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        case CMD_LXFUNCTIONING:
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            return ("FUNCTIONING");
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        default:
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            return ("Unknown_reason");
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanianstatic void
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_pretty_print_Lxcache(fmd_hdl_t *hdl, cmd_Lxcache_t *Lxcache)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian{
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        "\n"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        "   cpu = %s\n"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        "   type    = %s\n"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        "   index   = %d\n"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        "   way = %d\n"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        "   bit = %d\n"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        "   reason  = %s\n"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        "   flags   = %s\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        Lxcache->Lxcache_cpu_bufname,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        cmd_type_to_str(Lxcache->Lxcache_type),
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        Lxcache->Lxcache_index,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        Lxcache->Lxcache_way,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        Lxcache->Lxcache_bit,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        cmd_reason_to_str(Lxcache->Lxcache_reason),
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        cmd_flags_to_str(Lxcache->Lxcache_flags));
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
7bebe46c240b554f47faeed19186123896281967jcvoid
7bebe46c240b554f47faeed19186123896281967jccmd_Lxcache_free(fmd_hdl_t *hdl, cmd_cpu_t *cpu, cmd_Lxcache_t *Lxcache,
7bebe46c240b554f47faeed19186123896281967jc    int destroy)
7bebe46c240b554f47faeed19186123896281967jc{
7bebe46c240b554f47faeed19186123896281967jc    cmd_case_t *cc = &Lxcache->Lxcache_case;
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    fmd_hdl_debug(hdl, "Entering cmd_Lxcache_free for %s destroy = %d\n",
7bebe46c240b554f47faeed19186123896281967jc        Lxcache->Lxcache_bufname, destroy);
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    if (cc->cc_cp != NULL)
7bebe46c240b554f47faeed19186123896281967jc        cmd_case_fini(hdl, cc->cc_cp, destroy);
7bebe46c240b554f47faeed19186123896281967jc    if (cc->cc_serdnm != NULL) {
7bebe46c240b554f47faeed19186123896281967jc        if (fmd_serd_exists(hdl, cc->cc_serdnm) && destroy) {
7bebe46c240b554f47faeed19186123896281967jc            fmd_serd_destroy(hdl, cc->cc_serdnm);
7bebe46c240b554f47faeed19186123896281967jc            fmd_hdl_strfree(hdl, cc->cc_serdnm);
7bebe46c240b554f47faeed19186123896281967jc            cc->cc_serdnm = NULL;
7bebe46c240b554f47faeed19186123896281967jc        }
7bebe46c240b554f47faeed19186123896281967jc    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (Lxcache->Lxcache_nvl) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        nvlist_free(Lxcache->Lxcache_nvl);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        Lxcache->Lxcache_nvl = NULL;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    /*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian     * Clean up the SERD engine created to handle recheck of TAGS.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian     * This SERD engine was created to save the event pointer.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian     */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (Lxcache->Lxcache_serdnm != NULL) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        if (fmd_serd_exists(hdl, Lxcache->Lxcache_serdnm) && destroy) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            fmd_serd_destroy(hdl, Lxcache->Lxcache_serdnm);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            fmd_hdl_strfree(hdl, Lxcache->Lxcache_serdnm);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            Lxcache->Lxcache_serdnm = NULL;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    Lxcache->Lxcache_timeout_id = -1;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    Lxcache->Lxcache_ep = NULL;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    Lxcache->Lxcache_retry_count = 0;
7bebe46c240b554f47faeed19186123896281967jc    if (destroy)
7bebe46c240b554f47faeed19186123896281967jc        fmd_buf_destroy(hdl, NULL, Lxcache->Lxcache_bufname);
7bebe46c240b554f47faeed19186123896281967jc    cmd_fmri_fini(hdl, &Lxcache->Lxcache_asru, destroy);
7bebe46c240b554f47faeed19186123896281967jc    cmd_list_delete(&cpu->cpu_Lxcaches, Lxcache);
7bebe46c240b554f47faeed19186123896281967jc    fmd_hdl_free(hdl, Lxcache, sizeof (cmd_Lxcache_t));
7bebe46c240b554f47faeed19186123896281967jc}
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jcvoid
7bebe46c240b554f47faeed19186123896281967jccmd_Lxcache_destroy(fmd_hdl_t *hdl, cmd_cpu_t *cpu, cmd_Lxcache_t *Lxcache)
7bebe46c240b554f47faeed19186123896281967jc{
7bebe46c240b554f47faeed19186123896281967jc    cmd_Lxcache_free(hdl, cpu, Lxcache, FMD_B_TRUE);
7bebe46c240b554f47faeed19186123896281967jc}
7bebe46c240b554f47faeed19186123896281967jc
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_Lxcache_t *
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_Lxcache_lookup_by_type_index_way_bit(cmd_cpu_t *cpu,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_ptrsubtype_t pstype, int32_t index, int8_t way, int16_t bit)
7bebe46c240b554f47faeed19186123896281967jc{
7bebe46c240b554f47faeed19186123896281967jc    cmd_Lxcache_t *Lxcache;
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    for (Lxcache = cmd_list_next(&cpu->cpu_Lxcaches); Lxcache != NULL;
7bebe46c240b554f47faeed19186123896281967jc        Lxcache = cmd_list_next(Lxcache)) {
7bebe46c240b554f47faeed19186123896281967jc        if ((Lxcache->Lxcache_type == pstype) &&
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            (Lxcache->Lxcache_index == (uint32_t)index) &&
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            (Lxcache->Lxcache_way == (uint32_t)way) &&
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            (Lxcache->Lxcache_bit == (uint16_t)bit))
7bebe46c240b554f47faeed19186123896281967jc            return (Lxcache);
7bebe46c240b554f47faeed19186123896281967jc    }
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    return (NULL);
7bebe46c240b554f47faeed19186123896281967jc}
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jccmd_Lxcache_t *
7bebe46c240b554f47faeed19186123896281967jccmd_Lxcache_create(fmd_hdl_t *hdl, cmd_xr_t *xr, cmd_cpu_t *cpu,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    nvlist_t *modasru, cmd_ptrsubtype_t pstype, int32_t index,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    int8_t way, int16_t bit)
7bebe46c240b554f47faeed19186123896281967jc{
7bebe46c240b554f47faeed19186123896281967jc    cmd_Lxcache_t *Lxcache;
7bebe46c240b554f47faeed19186123896281967jc    nvlist_t *asru;
7bebe46c240b554f47faeed19186123896281967jc    const char  *pstype_name;
7bebe46c240b554f47faeed19186123896281967jc    uint8_t fmri_Lxcache_type;
7bebe46c240b554f47faeed19186123896281967jc
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    pstype_name = cmd_type_to_str(pstype);
7bebe46c240b554f47faeed19186123896281967jc    fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        "\n%s:cpu_id %d:Creating new Lxcache for index=%d way=%d bit=%d\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        pstype_name, cpu->cpu_cpuid, index, way, bit);
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    CMD_CPU_STAT_BUMP(cpu, Lxcache_creat);
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    Lxcache = fmd_hdl_zalloc(hdl, sizeof (cmd_Lxcache_t), FMD_SLEEP);
7bebe46c240b554f47faeed19186123896281967jc    (void) strncpy(Lxcache->Lxcache_cpu_bufname,
7bebe46c240b554f47faeed19186123896281967jc        cpu->cpu_bufname, CMD_BUFNMLEN);
7bebe46c240b554f47faeed19186123896281967jc    Lxcache->Lxcache_nodetype = CMD_NT_LxCACHE;
7bebe46c240b554f47faeed19186123896281967jc    Lxcache->Lxcache_version = CMD_LxCACHE_VERSION;
7bebe46c240b554f47faeed19186123896281967jc    Lxcache->Lxcache_type = pstype;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    Lxcache->Lxcache_index = (uint32_t)index;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    Lxcache->Lxcache_way = (uint32_t)way;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    Lxcache->Lxcache_bit = (uint16_t)bit;
7bebe46c240b554f47faeed19186123896281967jc    Lxcache->Lxcache_reason = CMD_LXFUNCTIONING;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    Lxcache->Lxcache_flags = CMD_LxCACHE_F_ACTIVE;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    Lxcache->Lxcache_timeout_id = -1;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    Lxcache->Lxcache_retry_count = 0;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    Lxcache->Lxcache_nvl = NULL;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    Lxcache->Lxcache_ep = NULL;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    Lxcache->Lxcache_serdnm = NULL;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    Lxcache->Lxcache_clcode = 0;
7bebe46c240b554f47faeed19186123896281967jc    Lxcache->xr = xr;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    Lxcache->Lxcache_retired_fmri[0] = '\0';
7bebe46c240b554f47faeed19186123896281967jc    switch (pstype) {
7bebe46c240b554f47faeed19186123896281967jc        case CMD_PTR_CPU_L2DATA:
7bebe46c240b554f47faeed19186123896281967jc            fmri_Lxcache_type = FM_FMRI_CPU_CACHE_TYPE_L2;
7bebe46c240b554f47faeed19186123896281967jc            break;
7bebe46c240b554f47faeed19186123896281967jc        case CMD_PTR_CPU_L3DATA:
7bebe46c240b554f47faeed19186123896281967jc            fmri_Lxcache_type = FM_FMRI_CPU_CACHE_TYPE_L3;
7bebe46c240b554f47faeed19186123896281967jc            break;
7bebe46c240b554f47faeed19186123896281967jc        case CMD_PTR_CPU_L2TAG:
7bebe46c240b554f47faeed19186123896281967jc            fmri_Lxcache_type = FM_FMRI_CPU_CACHE_TYPE_L2;
7bebe46c240b554f47faeed19186123896281967jc            break;
7bebe46c240b554f47faeed19186123896281967jc        case CMD_PTR_CPU_L3TAG:
7bebe46c240b554f47faeed19186123896281967jc            fmri_Lxcache_type = FM_FMRI_CPU_CACHE_TYPE_L3;
7bebe46c240b554f47faeed19186123896281967jc            break;
7bebe46c240b554f47faeed19186123896281967jc        default:
7bebe46c240b554f47faeed19186123896281967jc            break;
7bebe46c240b554f47faeed19186123896281967jc    }
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    cmd_bufname(Lxcache->Lxcache_bufname, sizeof (Lxcache->Lxcache_bufname),
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        "Lxcache_%s_%d_%d_%d_%d", pstype_name, cpu->cpu_cpuid,
7bebe46c240b554f47faeed19186123896281967jc        index, way, bit);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        "\n%s:cpu_id %d: new Lxcache name is %s\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        pstype_name, cpu->cpu_cpuid, Lxcache->Lxcache_bufname);
7bebe46c240b554f47faeed19186123896281967jc    if ((errno = nvlist_dup(modasru, &asru, 0)) != 0 ||
7bebe46c240b554f47faeed19186123896281967jc        (errno = nvlist_add_uint32(asru, FM_FMRI_CPU_CACHE_INDEX,
7bebe46c240b554f47faeed19186123896281967jc        index)) != 0 ||
7bebe46c240b554f47faeed19186123896281967jc        (errno = nvlist_add_uint32(asru, FM_FMRI_CPU_CACHE_WAY,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        (uint32_t)way)) != 0 ||
7bebe46c240b554f47faeed19186123896281967jc        (errno = nvlist_add_uint16(asru, FM_FMRI_CPU_CACHE_BIT,
7bebe46c240b554f47faeed19186123896281967jc        bit)) != 0 ||
7bebe46c240b554f47faeed19186123896281967jc        (errno = nvlist_add_uint8(asru, FM_FMRI_CPU_CACHE_TYPE,
7bebe46c240b554f47faeed19186123896281967jc        fmri_Lxcache_type)) != 0 ||
7bebe46c240b554f47faeed19186123896281967jc        (errno = fmd_nvl_fmri_expand(hdl, asru)) != 0)
7bebe46c240b554f47faeed19186123896281967jc        fmd_hdl_abort(hdl, "failed to build Lxcache fmri");
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    asru->nvl_nvflag |= NV_UNIQUE_NAME_TYPE;
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    cmd_fmri_init(hdl, &Lxcache->Lxcache_asru, asru,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        "%s_asru_%d_%d_%d", pstype_name, index, way, bit);
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    nvlist_free(asru);
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    cmd_list_append(&cpu->cpu_Lxcaches, Lxcache);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_Lxcache_write(hdl, Lxcache);
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    return (Lxcache);
7bebe46c240b554f47faeed19186123896281967jc}
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jccmd_Lxcache_t *
7bebe46c240b554f47faeed19186123896281967jccmd_Lxcache_lookup_by_index_way(cmd_cpu_t *cpu, cmd_ptrsubtype_t pstype,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    int32_t index, int8_t way)
7bebe46c240b554f47faeed19186123896281967jc{
7bebe46c240b554f47faeed19186123896281967jc    cmd_Lxcache_t *cache;
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    for (cache = cmd_list_next(&cpu->cpu_Lxcaches); cache != NULL;
7bebe46c240b554f47faeed19186123896281967jc        cache = cmd_list_next(cache)) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if ((cache->Lxcache_index == (uint32_t)index) &&
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        (cache->Lxcache_way == (uint32_t)way) &&
7bebe46c240b554f47faeed19186123896281967jc        (cache->Lxcache_type == pstype)) {
7bebe46c240b554f47faeed19186123896281967jc        return (cache);
7bebe46c240b554f47faeed19186123896281967jc        }
7bebe46c240b554f47faeed19186123896281967jc    }
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    return (NULL);
7bebe46c240b554f47faeed19186123896281967jc}
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jcstatic cmd_Lxcache_t *
7bebe46c240b554f47faeed19186123896281967jcLxcache_wrapv1(fmd_hdl_t *hdl, cmd_Lxcache_pers_t *pers, size_t psz)
7bebe46c240b554f47faeed19186123896281967jc{
7bebe46c240b554f47faeed19186123896281967jc    cmd_Lxcache_t *Lxcache;
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    if (psz != sizeof (cmd_Lxcache_pers_t)) {
7bebe46c240b554f47faeed19186123896281967jc        fmd_hdl_abort(hdl, "size of state doesn't match size of "
7bebe46c240b554f47faeed19186123896281967jc            "version 1 state (%u bytes).\n",
7bebe46c240b554f47faeed19186123896281967jc            sizeof (cmd_Lxcache_pers_t));
7bebe46c240b554f47faeed19186123896281967jc    }
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    Lxcache = fmd_hdl_zalloc(hdl, sizeof (cmd_Lxcache_t), FMD_SLEEP);
7bebe46c240b554f47faeed19186123896281967jc    bcopy(pers, Lxcache, sizeof (cmd_Lxcache_pers_t));
7bebe46c240b554f47faeed19186123896281967jc    fmd_hdl_free(hdl, pers, psz);
7bebe46c240b554f47faeed19186123896281967jc    return (Lxcache);
7bebe46c240b554f47faeed19186123896281967jc}
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jcvoid *
7bebe46c240b554f47faeed19186123896281967jccmd_Lxcache_restore(fmd_hdl_t *hdl, fmd_case_t *cp, cmd_case_ptr_t *ptr)
7bebe46c240b554f47faeed19186123896281967jc{
7bebe46c240b554f47faeed19186123896281967jc    cmd_Lxcache_t *Lxcache;
7bebe46c240b554f47faeed19186123896281967jc    cmd_Lxcache_t *recovered_Lxcache;
7bebe46c240b554f47faeed19186123896281967jc    cmd_cpu_t   *cpu;
7bebe46c240b554f47faeed19186123896281967jc    size_t      Lxcachesz;
7bebe46c240b554f47faeed19186123896281967jc    char        *serdnm;
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    /*
7bebe46c240b554f47faeed19186123896281967jc     * We need to first extract the cpu name by reading directly
7bebe46c240b554f47faeed19186123896281967jc     * from fmd buffers in order to begin our search for Lxcache in
7bebe46c240b554f47faeed19186123896281967jc     * the appropriate cpu list.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian     * After we identify the cpu list using buf name we look
7bebe46c240b554f47faeed19186123896281967jc     * in cpu list for our Lxcache states.
7bebe46c240b554f47faeed19186123896281967jc     */
7bebe46c240b554f47faeed19186123896281967jc    fmd_hdl_debug(hdl, "restoring Lxcache from %s\n", ptr->ptr_name);
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    if ((Lxcachesz = fmd_buf_size(hdl, NULL, ptr->ptr_name)) == 0) {
7bebe46c240b554f47faeed19186123896281967jc        fmd_hdl_abort(hdl, "Lxcache referenced by case %s does "
7bebe46c240b554f47faeed19186123896281967jc            "not exist in saved state\n",
7bebe46c240b554f47faeed19186123896281967jc            fmd_case_uuid(hdl, cp));
7bebe46c240b554f47faeed19186123896281967jc    } else if (Lxcachesz != sizeof (cmd_Lxcache_pers_t)) {
7bebe46c240b554f47faeed19186123896281967jc        fmd_hdl_abort(hdl, "Lxcache buffer referenced by case %s "
7bebe46c240b554f47faeed19186123896281967jc            "is %d bytes. Expected size is %d bytes\n",
7bebe46c240b554f47faeed19186123896281967jc            fmd_case_uuid(hdl, cp), Lxcachesz,
7bebe46c240b554f47faeed19186123896281967jc            sizeof (cmd_Lxcache_pers_t));
7bebe46c240b554f47faeed19186123896281967jc    }
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    if ((Lxcache = cmd_buf_read(hdl, NULL, ptr->ptr_name,
7bebe46c240b554f47faeed19186123896281967jc        Lxcachesz)) == NULL) {
7bebe46c240b554f47faeed19186123896281967jc        fmd_hdl_abort(hdl, "failed to read Lxcache buf %s",
7bebe46c240b554f47faeed19186123896281967jc            ptr->ptr_name);
7bebe46c240b554f47faeed19186123896281967jc    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_pretty_print_Lxcache(hdl, Lxcache);
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    fmd_hdl_debug(hdl, "found %d in version field\n",
7bebe46c240b554f47faeed19186123896281967jc        Lxcache->Lxcache_version);
7bebe46c240b554f47faeed19186123896281967jc    cpu = cmd_restore_cpu_only(hdl, cp, Lxcache->Lxcache_cpu_bufname);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (cpu == NULL) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            "\nCould not restore cpu %s\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            Lxcache->Lxcache_cpu_bufname);
82b5053fd84070f027436bc66665b7c0fd416e85Mary Beale        return (NULL);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    }
7bebe46c240b554f47faeed19186123896281967jc    recovered_Lxcache = Lxcache;    /* save the recovered Lxcache */
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    for (Lxcache = cmd_list_next(&cpu->cpu_Lxcaches); Lxcache != NULL;
7bebe46c240b554f47faeed19186123896281967jc        Lxcache = cmd_list_next(Lxcache)) {
7bebe46c240b554f47faeed19186123896281967jc        if (strcmp(Lxcache->Lxcache_bufname, ptr->ptr_name) == 0)
7bebe46c240b554f47faeed19186123896281967jc            break;
7bebe46c240b554f47faeed19186123896281967jc    }
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    if (Lxcache == NULL) {
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc        switch (recovered_Lxcache->Lxcache_version) {
7bebe46c240b554f47faeed19186123896281967jc            case CMD_LxCACHE_VERSION_1:
7bebe46c240b554f47faeed19186123896281967jc                Lxcache = Lxcache_wrapv1(hdl,
7bebe46c240b554f47faeed19186123896281967jc                    (cmd_Lxcache_pers_t *)recovered_Lxcache,
7bebe46c240b554f47faeed19186123896281967jc                    Lxcachesz);
7bebe46c240b554f47faeed19186123896281967jc                break;
7bebe46c240b554f47faeed19186123896281967jc            default:
7bebe46c240b554f47faeed19186123896281967jc                fmd_hdl_abort(hdl, "unknown version (found %d) "
7bebe46c240b554f47faeed19186123896281967jc                "for Lxcache state referenced by case %s.\n",
7bebe46c240b554f47faeed19186123896281967jc                    recovered_Lxcache->Lxcache_version,
7bebe46c240b554f47faeed19186123896281967jc                    fmd_case_uuid(hdl, cp));
7bebe46c240b554f47faeed19186123896281967jc            break;
7bebe46c240b554f47faeed19186123896281967jc        }
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc        cmd_fmri_restore(hdl, &Lxcache->Lxcache_asru);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        /*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * We need to cleanup the information associated with
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * the timeout routine because these are not checkpointed
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * and cannot be retored.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        Lxcache->Lxcache_timeout_id = -1;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        Lxcache->Lxcache_retry_count = 0;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        Lxcache->Lxcache_nvl = NULL;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        Lxcache->Lxcache_ep = NULL;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        Lxcache->Lxcache_serdnm = NULL;
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc        cmd_list_append(&cpu->cpu_Lxcaches, Lxcache);
7bebe46c240b554f47faeed19186123896281967jc    }
7bebe46c240b554f47faeed19186123896281967jc    serdnm = cmd_Lxcache_serdnm_create(hdl, cpu->cpu_cpuid,
7bebe46c240b554f47faeed19186123896281967jc        Lxcache->Lxcache_type, Lxcache->Lxcache_index,
7bebe46c240b554f47faeed19186123896281967jc        Lxcache->Lxcache_way, Lxcache->Lxcache_bit);
7bebe46c240b554f47faeed19186123896281967jc    fmd_hdl_debug(hdl,
7bebe46c240b554f47faeed19186123896281967jc        "cpu_id %d: serdname for the case is %s\n",
7bebe46c240b554f47faeed19186123896281967jc        cpu->cpu_cpuid, serdnm);
7bebe46c240b554f47faeed19186123896281967jc    fmd_hdl_debug(hdl,
7bebe46c240b554f47faeed19186123896281967jc        "cpu_id %d: restoring the case for index %d way %d bit %d\n",
7bebe46c240b554f47faeed19186123896281967jc        cpu->cpu_cpuid, Lxcache->Lxcache_index,
7bebe46c240b554f47faeed19186123896281967jc        Lxcache->Lxcache_way, Lxcache->Lxcache_bit);
7bebe46c240b554f47faeed19186123896281967jc    cmd_case_restore(hdl, &Lxcache->Lxcache_case, cp, serdnm);
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    return (Lxcache);
7bebe46c240b554f47faeed19186123896281967jc}
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc/*ARGSUSED*/
7bebe46c240b554f47faeed19186123896281967jcvoid
7bebe46c240b554f47faeed19186123896281967jccmd_Lxcache_validate(fmd_hdl_t *hdl, cmd_cpu_t *cpu)
7bebe46c240b554f47faeed19186123896281967jc{
7bebe46c240b554f47faeed19186123896281967jc    cmd_Lxcache_t *Lxcache, *next;
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    for (Lxcache = cmd_list_next(&cpu->cpu_Lxcaches);
7bebe46c240b554f47faeed19186123896281967jc        Lxcache != NULL; Lxcache = next) {
7bebe46c240b554f47faeed19186123896281967jc        next = cmd_list_next(Lxcache);
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc        if (fmd_nvl_fmri_unusable(hdl, Lxcache->Lxcache_asru_nvl)) {
7bebe46c240b554f47faeed19186123896281967jc            cmd_Lxcache_destroy(hdl, cpu, Lxcache);
7bebe46c240b554f47faeed19186123896281967jc        }
7bebe46c240b554f47faeed19186123896281967jc    }
7bebe46c240b554f47faeed19186123896281967jc}
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jcvoid
7bebe46c240b554f47faeed19186123896281967jccmd_Lxcache_dirty(fmd_hdl_t *hdl, cmd_Lxcache_t *Lxcache)
7bebe46c240b554f47faeed19186123896281967jc{
7bebe46c240b554f47faeed19186123896281967jc    if (fmd_buf_size(hdl, NULL, Lxcache->Lxcache_bufname) !=
7bebe46c240b554f47faeed19186123896281967jc        sizeof (cmd_Lxcache_pers_t))
7bebe46c240b554f47faeed19186123896281967jc        fmd_buf_destroy(hdl, NULL, Lxcache->Lxcache_bufname);
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    /* No need to rewrite the FMRIs in the Lxcache - they don't change */
7bebe46c240b554f47faeed19186123896281967jc    fmd_buf_write(hdl, NULL,
7bebe46c240b554f47faeed19186123896281967jc        Lxcache->Lxcache_bufname, &Lxcache->Lxcache_pers,
7bebe46c240b554f47faeed19186123896281967jc        sizeof (cmd_Lxcache_pers_t));
7bebe46c240b554f47faeed19186123896281967jc}
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jcvoid
7bebe46c240b554f47faeed19186123896281967jccmd_Lxcache_fini(fmd_hdl_t *hdl, cmd_cpu_t *cpu)
7bebe46c240b554f47faeed19186123896281967jc{
7bebe46c240b554f47faeed19186123896281967jc    cmd_Lxcache_t *Lxcache;
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    while ((Lxcache = cmd_list_next(&cpu->cpu_Lxcaches)) != NULL)
7bebe46c240b554f47faeed19186123896281967jc        cmd_Lxcache_free(hdl, cpu, Lxcache, FMD_B_FALSE);
7bebe46c240b554f47faeed19186123896281967jc}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
7bebe46c240b554f47faeed19186123896281967jcchar *
7bebe46c240b554f47faeed19186123896281967jccmd_Lxcache_serdnm_create(fmd_hdl_t *hdl, uint32_t cpu_id,
7bebe46c240b554f47faeed19186123896281967jc                cmd_ptrsubtype_t pstype,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                int32_t index, int8_t way, int16_t bit)
7bebe46c240b554f47faeed19186123896281967jc{
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    const char *fmt = "cpu_%d:%s_%d_%d_%d_serd";
7bebe46c240b554f47faeed19186123896281967jc    const char *serdbase;
7bebe46c240b554f47faeed19186123896281967jc    size_t sz;
7bebe46c240b554f47faeed19186123896281967jc    char    *nm;
7bebe46c240b554f47faeed19186123896281967jc
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    serdbase = cmd_type_to_str(pstype);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    sz = (snprintf(NULL, 0, fmt, cpu_id, serdbase, index, way, bit) + 1);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    nm = fmd_hdl_alloc(hdl, sz, FMD_SLEEP);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    (void) snprintf(nm, sz, fmt, cpu_id, serdbase, index, way, bit);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    return (nm);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanianchar *
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_Lxcache_anonymous_serdnm_create(fmd_hdl_t *hdl, uint32_t cpu_id,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                cmd_ptrsubtype_t pstype,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                int32_t index, int8_t way, int16_t bit)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian{
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    const char *fmt = "cpu_%d:%s_%d_%d_%d_anonymous_serd";
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    const char *serdbase;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    size_t sz;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    char    *nm;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    serdbase = cmd_type_to_str(pstype);
7bebe46c240b554f47faeed19186123896281967jc    sz = (snprintf(NULL, 0, fmt, cpu_id, serdbase, index, way, bit) + 1);
7bebe46c240b554f47faeed19186123896281967jc    nm = fmd_hdl_alloc(hdl, sz, FMD_SLEEP);
7bebe46c240b554f47faeed19186123896281967jc    (void) snprintf(nm, sz, fmt, cpu_id, serdbase, index, way, bit);
7bebe46c240b554f47faeed19186123896281967jc    return (nm);
7bebe46c240b554f47faeed19186123896281967jc}
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc/*
7bebe46c240b554f47faeed19186123896281967jc * Count the number of SERD type 2 ways retired for a given cpu
7bebe46c240b554f47faeed19186123896281967jc * These are defined to be L3 Cache data retirements
7bebe46c240b554f47faeed19186123896281967jc */
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jcuint32_t
7bebe46c240b554f47faeed19186123896281967jccmd_Lx_index_count_type2_ways(cmd_cpu_t *cpu)
7bebe46c240b554f47faeed19186123896281967jc{
7bebe46c240b554f47faeed19186123896281967jc    cmd_Lxcache_t *cache = NULL;
7bebe46c240b554f47faeed19186123896281967jc    uint32_t ret_count = 0;
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    for (cache = cmd_list_next(&cpu->cpu_Lxcaches); cache != NULL;
7bebe46c240b554f47faeed19186123896281967jc        cache = cmd_list_next(cache)) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        if ((cache->Lxcache_flags & CMD_LxCACHE_F_RETIRED) &&
7bebe46c240b554f47faeed19186123896281967jc            (cache->Lxcache_type == CMD_PTR_CPU_L3DATA)) {
7bebe46c240b554f47faeed19186123896281967jc            ret_count++;
7bebe46c240b554f47faeed19186123896281967jc        }
7bebe46c240b554f47faeed19186123896281967jc    }
7bebe46c240b554f47faeed19186123896281967jc    return (ret_count);
7bebe46c240b554f47faeed19186123896281967jc}
7bebe46c240b554f47faeed19186123896281967jc/*
7bebe46c240b554f47faeed19186123896281967jc * Count the number of SERD type 1 ways retired for a given cpu
7bebe46c240b554f47faeed19186123896281967jc * These are defined to be L2 Data, tag and L3 Tag retirements
7bebe46c240b554f47faeed19186123896281967jc */
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jcuint32_t
7bebe46c240b554f47faeed19186123896281967jccmd_Lx_index_count_type1_ways(cmd_cpu_t *cpu)
7bebe46c240b554f47faeed19186123896281967jc{
7bebe46c240b554f47faeed19186123896281967jc    cmd_Lxcache_t *cache = NULL;
7bebe46c240b554f47faeed19186123896281967jc    uint32_t ret_count = 0;
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    for (cache = cmd_list_next(&cpu->cpu_Lxcaches); cache != NULL;
7bebe46c240b554f47faeed19186123896281967jc        cache = cmd_list_next(cache)) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        if ((cache->Lxcache_flags & CMD_LxCACHE_F_RETIRED) &&
7bebe46c240b554f47faeed19186123896281967jc            ((cache->Lxcache_type == CMD_PTR_CPU_L2DATA) ||
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            IS_TAG(cache->Lxcache_type))) {
7bebe46c240b554f47faeed19186123896281967jc            ret_count++;
7bebe46c240b554f47faeed19186123896281967jc        }
7bebe46c240b554f47faeed19186123896281967jc    }
7bebe46c240b554f47faeed19186123896281967jc    return (ret_count);
7bebe46c240b554f47faeed19186123896281967jc}
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jcvoid
7bebe46c240b554f47faeed19186123896281967jccmd_fault_the_cpu(fmd_hdl_t *hdl, cmd_cpu_t *cpu, cmd_ptrsubtype_t pstype,
7bebe46c240b554f47faeed19186123896281967jc    const char *fltnm)
7bebe46c240b554f47faeed19186123896281967jc{
7bebe46c240b554f47faeed19186123896281967jc    fmd_case_t  *cp;
7bebe46c240b554f47faeed19186123896281967jc    const char  *uuid;
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    cp = cmd_case_create(hdl, &cpu->cpu_header, pstype,
7bebe46c240b554f47faeed19186123896281967jc        &uuid);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        "\n%s:cpu_id %d Created case %s to retire CPU\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        fltnm, cpu->cpu_cpuid);
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    if ((errno = fmd_nvl_fmri_expand(hdl, cpu->cpu_asru_nvl)) != 0)
7bebe46c240b554f47faeed19186123896281967jc        fmd_hdl_abort(hdl, "failed to build CPU fmri");
7bebe46c240b554f47faeed19186123896281967jc
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_cpu_create_faultlist(hdl, cp, cpu, fltnm, NULL, HUNDRED_PERCENT);
7bebe46c240b554f47faeed19186123896281967jc    fmd_case_solve(hdl, cp);
7bebe46c240b554f47faeed19186123896281967jc}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
7bebe46c240b554f47faeed19186123896281967jcvoid
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_retire_cpu_if_limits_exceeded(fmd_hdl_t *hdl, cmd_cpu_t *cpu,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_ptrsubtype_t pstype, const char *fltnm)
7bebe46c240b554f47faeed19186123896281967jc{
7bebe46c240b554f47faeed19186123896281967jc    int cpu_retired_1, cpu_retired_2;
7bebe46c240b554f47faeed19186123896281967jc
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    /* Retrieve the number of retired ways for each category */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cpu_retired_1 = cmd_Lx_index_count_type1_ways(cpu);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cpu_retired_2 = cmd_Lx_index_count_type2_ways(cpu);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        "\n%s:CPU %d retired Type 1 way count is: %d\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        fltnm, cpu->cpu_cpuid, cpu_retired_1);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    fmd_hdl_debug(hdl, "\n%s:CPU %d retired Type 2 way count is: %d\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        fltnm, cpu->cpu_cpuid, cpu_retired_2);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (((cpu_retired_1 > CMD_CPU_SERD_AGG_1) ||
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        (cpu_retired_2 > CMD_CPU_SERD_AGG_2)) &&
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        (cpu->cpu_faulting != FMD_B_TRUE)) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        cmd_fault_the_cpu(hdl, cpu, pstype, fltnm);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanianvoid
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_Lxcache_fault(fmd_hdl_t *hdl, cmd_cpu_t *cpu, cmd_Lxcache_t *Lxcache,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    const char *fltnm, nvlist_t *rsrc, uint_t cert)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian{
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    char fltmsg[64];
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    nvlist_t *flt;
7bebe46c240b554f47faeed19186123896281967jc
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    (void) snprintf(fltmsg, sizeof (fltmsg), "fault.cpu.%s.%s-line",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        cmd_cpu_type2name(hdl, cpu->cpu_type), fltnm);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        "\n%s:cpu_id %d: fltmsg = %s\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        fltnm, cpu->cpu_cpuid, fltmsg);
7bebe46c240b554f47faeed19186123896281967jc    if (Lxcache->Lxcache_flags & CMD_LxCACHE_F_FAULTING) {
7bebe46c240b554f47faeed19186123896281967jc        return;
7bebe46c240b554f47faeed19186123896281967jc    }
7bebe46c240b554f47faeed19186123896281967jc    Lxcache->Lxcache_flags |= CMD_LxCACHE_F_FAULTING;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    flt = fmd_nvl_create_fault(hdl, fltmsg, cert,
7bebe46c240b554f47faeed19186123896281967jc        Lxcache->Lxcache_asru.fmri_nvl, cpu->cpu_fru_nvl, rsrc);
7bebe46c240b554f47faeed19186123896281967jc    if (nvlist_add_boolean_value(flt, FM_SUSPECT_MESSAGE, B_FALSE) != 0)
7bebe46c240b554f47faeed19186123896281967jc        fmd_hdl_abort(hdl, "failed to add no-message member to fault");
7bebe46c240b554f47faeed19186123896281967jc
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        "\n%s:cpu_id %d: adding suspect list to case %s\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        fltnm, cpu->cpu_cpuid,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        fmd_case_uuid(hdl, Lxcache->Lxcache_case.cc_cp));
7bebe46c240b554f47faeed19186123896281967jc    fmd_case_add_suspect(hdl, Lxcache->Lxcache_case.cc_cp, flt);
7bebe46c240b554f47faeed19186123896281967jc    fmd_case_solve(hdl, Lxcache->Lxcache_case.cc_cp);
d69c2551e89e9440043ac6ff5739b58746286f33jc    if (Lxcache->Lxcache_retired_fmri[0] == 0) {
d69c2551e89e9440043ac6ff5739b58746286f33jc        if (cmd_fmri_nvl2str(hdl, Lxcache->Lxcache_asru.fmri_nvl,
d69c2551e89e9440043ac6ff5739b58746286f33jc            Lxcache->Lxcache_retired_fmri,
d69c2551e89e9440043ac6ff5739b58746286f33jc            sizeof (Lxcache->Lxcache_retired_fmri)) == -1)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                "\n%s:cpu_id %d: Failed to save the"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                " retired fmri string\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                fltnm, cpu->cpu_cpuid);
d69c2551e89e9440043ac6ff5739b58746286f33jc        else
d69c2551e89e9440043ac6ff5739b58746286f33jc            fmd_hdl_debug(hdl,
d69c2551e89e9440043ac6ff5739b58746286f33jc                "\n%s:cpu_id %d:Saved the retired fmri string %s\n",
d69c2551e89e9440043ac6ff5739b58746286f33jc                fltnm, cpu->cpu_cpuid,
d69c2551e89e9440043ac6ff5739b58746286f33jc                Lxcache->Lxcache_retired_fmri);
d69c2551e89e9440043ac6ff5739b58746286f33jc    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    Lxcache->Lxcache_flags &= ~(CMD_LxCACHE_F_FAULTING);
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
7bebe46c240b554f47faeed19186123896281967jcvoid
7bebe46c240b554f47faeed19186123896281967jccmd_Lxcache_close(fmd_hdl_t *hdl, void *arg)
7bebe46c240b554f47faeed19186123896281967jc{
7bebe46c240b554f47faeed19186123896281967jc    cmd_cpu_t *cpu;
7bebe46c240b554f47faeed19186123896281967jc    cmd_Lxcache_t *Lxcache;
7bebe46c240b554f47faeed19186123896281967jc    cmd_case_t *cc;
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    Lxcache = (cmd_Lxcache_t *)arg;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    fmd_hdl_debug(hdl, "cmd_Lxcache_close called  for %s\n",
7bebe46c240b554f47faeed19186123896281967jc        Lxcache->Lxcache_bufname);
7bebe46c240b554f47faeed19186123896281967jc    cc = &Lxcache->Lxcache_case;
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    for (cpu = cmd_list_next(&cmd.cmd_cpus); cpu != NULL;
7bebe46c240b554f47faeed19186123896281967jc        cpu = cmd_list_next(cpu)) {
7bebe46c240b554f47faeed19186123896281967jc        if (strcmp(cpu->cpu_bufname,
7bebe46c240b554f47faeed19186123896281967jc            Lxcache->Lxcache_cpu_bufname) == 0)
7bebe46c240b554f47faeed19186123896281967jc            break;
7bebe46c240b554f47faeed19186123896281967jc    }
7bebe46c240b554f47faeed19186123896281967jc    if (cpu == NULL)
7bebe46c240b554f47faeed19186123896281967jc        fmd_hdl_abort(hdl, "failed to find the cpu %s for %s\n",
7bebe46c240b554f47faeed19186123896281967jc            Lxcache->Lxcache_cpu_bufname,
7bebe46c240b554f47faeed19186123896281967jc            Lxcache->Lxcache_bufname);
7bebe46c240b554f47faeed19186123896281967jc    /*
7bebe46c240b554f47faeed19186123896281967jc     * We will destroy the case and serd engine.
7bebe46c240b554f47faeed19186123896281967jc     * The rest will be destroyed when we retire the CPU
7bebe46c240b554f47faeed19186123896281967jc     * until then we keep the Lxcache strutures alive.
7bebe46c240b554f47faeed19186123896281967jc     */
7bebe46c240b554f47faeed19186123896281967jc    if (cc->cc_cp != NULL) {
7bebe46c240b554f47faeed19186123896281967jc        cmd_case_fini(hdl, cc->cc_cp, FMD_B_TRUE);
7bebe46c240b554f47faeed19186123896281967jc        cc->cc_cp = NULL;
7bebe46c240b554f47faeed19186123896281967jc    }
7bebe46c240b554f47faeed19186123896281967jc    if (cc->cc_serdnm != NULL) {
7bebe46c240b554f47faeed19186123896281967jc        if (fmd_serd_exists(hdl, cc->cc_serdnm))
7bebe46c240b554f47faeed19186123896281967jc            fmd_serd_destroy(hdl, cc->cc_serdnm);
7bebe46c240b554f47faeed19186123896281967jc        fmd_hdl_strfree(hdl, cc->cc_serdnm);
7bebe46c240b554f47faeed19186123896281967jc        cc->cc_serdnm = NULL;
7bebe46c240b554f47faeed19186123896281967jc    }
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc}
7bebe46c240b554f47faeed19186123896281967jc
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_Lxcache_t *
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_Lxcache_lookup_by_timeout_id(id_t id)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian{
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_cpu_t *cpu;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_Lxcache_t *cmd_Lxcache;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    for (cpu = cmd_list_next(&cmd.cmd_cpus); cpu != NULL;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        cpu = cmd_list_next(cpu)) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        for (cmd_Lxcache = cmd_list_next(&cpu->cpu_Lxcaches);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            cmd_Lxcache != NULL;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            cmd_Lxcache = cmd_list_next(cmd_Lxcache)) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            if (cmd_Lxcache->Lxcache_timeout_id == id)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                return (cmd_Lxcache);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    return (NULL);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
7bebe46c240b554f47faeed19186123896281967jcvoid
7bebe46c240b554f47faeed19186123896281967jccmd_Lxcache_gc(fmd_hdl_t *hdl)
7bebe46c240b554f47faeed19186123896281967jc{
7bebe46c240b554f47faeed19186123896281967jc    cmd_cpu_t *cpu;
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    for (cpu = cmd_list_next(&cmd.cmd_cpus); cpu != NULL;
7bebe46c240b554f47faeed19186123896281967jc        cpu = cmd_list_next(cpu))
7bebe46c240b554f47faeed19186123896281967jc        cmd_Lxcache_validate(hdl, cpu);
7bebe46c240b554f47faeed19186123896281967jc}
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jccmd_evdisp_t
7bebe46c240b554f47faeed19186123896281967jcget_tagdata(cmd_cpu_t *cpu, cmd_ptrsubtype_t pstype,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        int32_t index, uint64_t *tag_data)
7bebe46c240b554f47faeed19186123896281967jc{
7bebe46c240b554f47faeed19186123896281967jc    int     fd;
7bebe46c240b554f47faeed19186123896281967jc    cache_info_t    cache_info;
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    fd = open(mem_cache_device, O_RDONLY);
7bebe46c240b554f47faeed19186123896281967jc    if (fd == -1) {
7bebe46c240b554f47faeed19186123896281967jc        (void) printf(
7bebe46c240b554f47faeed19186123896281967jc            "cpu_id = %d could not open %s to read tag info.\n",
7bebe46c240b554f47faeed19186123896281967jc            cpu->cpu_cpuid, mem_cache_device);
7bebe46c240b554f47faeed19186123896281967jc        return (CMD_EVD_BAD);
7bebe46c240b554f47faeed19186123896281967jc    }
7bebe46c240b554f47faeed19186123896281967jc    switch (pstype) {
7bebe46c240b554f47faeed19186123896281967jc        case CMD_PTR_CPU_L2TAG:
7bebe46c240b554f47faeed19186123896281967jc        case CMD_PTR_CPU_L2DATA:
7bebe46c240b554f47faeed19186123896281967jc            cache_info.cache = L2_CACHE_TAG;
7bebe46c240b554f47faeed19186123896281967jc            break;
7bebe46c240b554f47faeed19186123896281967jc        case CMD_PTR_CPU_L3TAG:
7bebe46c240b554f47faeed19186123896281967jc        case CMD_PTR_CPU_L3DATA:
7bebe46c240b554f47faeed19186123896281967jc            cache_info.cache = L3_CACHE_TAG;
7bebe46c240b554f47faeed19186123896281967jc            break;
7bebe46c240b554f47faeed19186123896281967jc    }
7bebe46c240b554f47faeed19186123896281967jc    cache_info.cpu_id = cpu->cpu_cpuid;
7bebe46c240b554f47faeed19186123896281967jc    cache_info.index = index;
7bebe46c240b554f47faeed19186123896281967jc    cache_info.datap = tag_data;
7bebe46c240b554f47faeed19186123896281967jc    cache_info.way = 0;
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    if (test_mode) {
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc        if (ioctl(fd, MEM_CACHE_READ_ERROR_INJECTED_TAGS, &cache_info)
7bebe46c240b554f47faeed19186123896281967jc            == -1) {
7bebe46c240b554f47faeed19186123896281967jc            (void) printf("cpu_id = %d ioctl"
7bebe46c240b554f47faeed19186123896281967jc                " MEM_CACHE_READ_ERROR_INJECTED_TAGS failed"
7bebe46c240b554f47faeed19186123896281967jc                " errno = %d\n",
7bebe46c240b554f47faeed19186123896281967jc                cpu->cpu_cpuid, errno);
7bebe46c240b554f47faeed19186123896281967jc            (void) close(fd);
7bebe46c240b554f47faeed19186123896281967jc            return (CMD_EVD_BAD);
7bebe46c240b554f47faeed19186123896281967jc        }
7bebe46c240b554f47faeed19186123896281967jc    } else {
7bebe46c240b554f47faeed19186123896281967jc        if (ioctl(fd, MEM_CACHE_READ_TAGS, &cache_info)
7bebe46c240b554f47faeed19186123896281967jc            == -1) {
7bebe46c240b554f47faeed19186123896281967jc            (void) printf("cpu_id = %d ioctl"
7bebe46c240b554f47faeed19186123896281967jc                " MEM_CACHE_READ_TAGS failed"
7bebe46c240b554f47faeed19186123896281967jc                " errno = %d\n",
7bebe46c240b554f47faeed19186123896281967jc                cpu->cpu_cpuid, errno);
7bebe46c240b554f47faeed19186123896281967jc            (void) close(fd);
7bebe46c240b554f47faeed19186123896281967jc            return (CMD_EVD_BAD);
7bebe46c240b554f47faeed19186123896281967jc        }
7bebe46c240b554f47faeed19186123896281967jc    }
7bebe46c240b554f47faeed19186123896281967jc    (void) close(fd);
7bebe46c240b554f47faeed19186123896281967jc    return (CMD_EVD_OK);
7bebe46c240b554f47faeed19186123896281967jc}
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jcint
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanianget_index_retired_ways(cmd_cpu_t *cpu, cmd_ptrsubtype_t pstype, int32_t index)
7bebe46c240b554f47faeed19186123896281967jc{
7bebe46c240b554f47faeed19186123896281967jc    int     i, retired_ways;
7bebe46c240b554f47faeed19186123896281967jc    uint64_t    tag_data[PN_CACHE_NWAYS];
7bebe46c240b554f47faeed19186123896281967jc
7bebe46c240b554f47faeed19186123896281967jc    if (get_tagdata(cpu, pstype, index, tag_data) != 0) {
7bebe46c240b554f47faeed19186123896281967jc        return (-1);
7bebe46c240b554f47faeed19186123896281967jc    }
7bebe46c240b554f47faeed19186123896281967jc    retired_ways = 0;
7bebe46c240b554f47faeed19186123896281967jc    for (i = 0; i < PN_CACHE_NWAYS; i++) {
7bebe46c240b554f47faeed19186123896281967jc        if ((tag_data[i] & CH_ECSTATE_MASK) ==
7bebe46c240b554f47faeed19186123896281967jc            PN_ECSTATE_NA)
7bebe46c240b554f47faeed19186123896281967jc            retired_ways++;
7bebe46c240b554f47faeed19186123896281967jc    }
7bebe46c240b554f47faeed19186123896281967jc    return (retired_ways);
7bebe46c240b554f47faeed19186123896281967jc}
7bebe46c240b554f47faeed19186123896281967jc
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanianboolean_t
d69c2551e89e9440043ac6ff5739b58746286f33jccmd_cache_way_retire(fmd_hdl_t *hdl, cmd_cpu_t *cpu, cmd_Lxcache_t *Lxcache)
d69c2551e89e9440043ac6ff5739b58746286f33jc{
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    const char      *fltnm;
d69c2551e89e9440043ac6ff5739b58746286f33jc    cache_info_t    cache_info;
d69c2551e89e9440043ac6ff5739b58746286f33jc    int ret, fd;
d69c2551e89e9440043ac6ff5739b58746286f33jc
d69c2551e89e9440043ac6ff5739b58746286f33jc    fltnm = cmd_type_to_str(Lxcache->Lxcache_type);
d69c2551e89e9440043ac6ff5739b58746286f33jc    fd = open(mem_cache_device, O_RDWR);
d69c2551e89e9440043ac6ff5739b58746286f33jc    if (fd == -1) {
d69c2551e89e9440043ac6ff5739b58746286f33jc        fmd_hdl_debug(hdl,
d69c2551e89e9440043ac6ff5739b58746286f33jc            "fltnm:cpu_id %d open of %s failed\n",
d69c2551e89e9440043ac6ff5739b58746286f33jc            fltnm, cpu->cpu_cpuid, mem_cache_device);
d69c2551e89e9440043ac6ff5739b58746286f33jc        return (B_FALSE);
d69c2551e89e9440043ac6ff5739b58746286f33jc    }
d69c2551e89e9440043ac6ff5739b58746286f33jc    cache_info.cpu_id = cpu->cpu_cpuid;
d69c2551e89e9440043ac6ff5739b58746286f33jc    cache_info.way = Lxcache->Lxcache_way;
d69c2551e89e9440043ac6ff5739b58746286f33jc    cache_info.bit = Lxcache->Lxcache_bit;
d69c2551e89e9440043ac6ff5739b58746286f33jc    cache_info.index = Lxcache->Lxcache_index;
d69c2551e89e9440043ac6ff5739b58746286f33jc
d69c2551e89e9440043ac6ff5739b58746286f33jc    switch (Lxcache->Lxcache_type) {
d69c2551e89e9440043ac6ff5739b58746286f33jc        case CMD_PTR_CPU_L2TAG:
d69c2551e89e9440043ac6ff5739b58746286f33jc            cache_info.cache = L2_CACHE_TAG;
d69c2551e89e9440043ac6ff5739b58746286f33jc            break;
d69c2551e89e9440043ac6ff5739b58746286f33jc        case CMD_PTR_CPU_L2DATA:
d69c2551e89e9440043ac6ff5739b58746286f33jc            cache_info.cache = L2_CACHE_DATA;
d69c2551e89e9440043ac6ff5739b58746286f33jc            break;
d69c2551e89e9440043ac6ff5739b58746286f33jc        case CMD_PTR_CPU_L3TAG:
d69c2551e89e9440043ac6ff5739b58746286f33jc            cache_info.cache = L3_CACHE_TAG;
d69c2551e89e9440043ac6ff5739b58746286f33jc            break;
d69c2551e89e9440043ac6ff5739b58746286f33jc        case CMD_PTR_CPU_L3DATA:
d69c2551e89e9440043ac6ff5739b58746286f33jc            cache_info.cache = L3_CACHE_DATA;
d69c2551e89e9440043ac6ff5739b58746286f33jc            break;
d69c2551e89e9440043ac6ff5739b58746286f33jc    }
d69c2551e89e9440043ac6ff5739b58746286f33jc
d69c2551e89e9440043ac6ff5739b58746286f33jc    fmd_hdl_debug(hdl,
d69c2551e89e9440043ac6ff5739b58746286f33jc        "\n%s:cpu %d: Retiring index %d, way %d bit %d\n",
d69c2551e89e9440043ac6ff5739b58746286f33jc        fltnm, cpu->cpu_cpuid, cache_info.index, cache_info.way,
d69c2551e89e9440043ac6ff5739b58746286f33jc        (int16_t)cache_info.bit);
d69c2551e89e9440043ac6ff5739b58746286f33jc    ret = ioctl(fd, MEM_CACHE_RETIRE, &cache_info);
d69c2551e89e9440043ac6ff5739b58746286f33jc    (void) close(fd);
d69c2551e89e9440043ac6ff5739b58746286f33jc    if (ret == -1) {
d69c2551e89e9440043ac6ff5739b58746286f33jc        fmd_hdl_debug(hdl,
d69c2551e89e9440043ac6ff5739b58746286f33jc            "fltnm:cpu_id %d MEM_CACHE_RETIRE ioctl failed\n",
d69c2551e89e9440043ac6ff5739b58746286f33jc            fltnm, cpu->cpu_cpuid);
d69c2551e89e9440043ac6ff5739b58746286f33jc        return (B_FALSE);
d69c2551e89e9440043ac6ff5739b58746286f33jc    }
d69c2551e89e9440043ac6ff5739b58746286f33jc
d69c2551e89e9440043ac6ff5739b58746286f33jc    return (B_TRUE);
d69c2551e89e9440043ac6ff5739b58746286f33jc}
d69c2551e89e9440043ac6ff5739b58746286f33jc
d69c2551e89e9440043ac6ff5739b58746286f33jcboolean_t
d69c2551e89e9440043ac6ff5739b58746286f33jccmd_cache_way_unretire(fmd_hdl_t *hdl, cmd_cpu_t *cpu, cmd_Lxcache_t *Lxcache)
d69c2551e89e9440043ac6ff5739b58746286f33jc{
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    const char      *fltnm;
d69c2551e89e9440043ac6ff5739b58746286f33jc    cache_info_t    cache_info;
d69c2551e89e9440043ac6ff5739b58746286f33jc    int ret, fd;
d69c2551e89e9440043ac6ff5739b58746286f33jc
d69c2551e89e9440043ac6ff5739b58746286f33jc    fltnm = cmd_type_to_str(Lxcache->Lxcache_type);
d69c2551e89e9440043ac6ff5739b58746286f33jc    fd = open(mem_cache_device, O_RDWR);
d69c2551e89e9440043ac6ff5739b58746286f33jc    if (fd == -1) {
d69c2551e89e9440043ac6ff5739b58746286f33jc        fmd_hdl_debug(hdl,
d69c2551e89e9440043ac6ff5739b58746286f33jc            "fltnm:cpu_id %d open of %s failed\n",
d69c2551e89e9440043ac6ff5739b58746286f33jc            fltnm, cpu->cpu_cpuid, mem_cache_device);
d69c2551e89e9440043ac6ff5739b58746286f33jc        return (B_FALSE);
d69c2551e89e9440043ac6ff5739b58746286f33jc    }
d69c2551e89e9440043ac6ff5739b58746286f33jc    cache_info.cpu_id = cpu->cpu_cpuid;
d69c2551e89e9440043ac6ff5739b58746286f33jc    cache_info.way = Lxcache->Lxcache_way;
d69c2551e89e9440043ac6ff5739b58746286f33jc    cache_info.bit = Lxcache->Lxcache_bit;
d69c2551e89e9440043ac6ff5739b58746286f33jc    cache_info.index = Lxcache->Lxcache_index;
d69c2551e89e9440043ac6ff5739b58746286f33jc
d69c2551e89e9440043ac6ff5739b58746286f33jc    switch (Lxcache->Lxcache_type) {
d69c2551e89e9440043ac6ff5739b58746286f33jc        case CMD_PTR_CPU_L2TAG:
d69c2551e89e9440043ac6ff5739b58746286f33jc            cache_info.cache = L2_CACHE_TAG;
d69c2551e89e9440043ac6ff5739b58746286f33jc            break;
d69c2551e89e9440043ac6ff5739b58746286f33jc        case CMD_PTR_CPU_L2DATA:
d69c2551e89e9440043ac6ff5739b58746286f33jc            cache_info.cache = L2_CACHE_DATA;
d69c2551e89e9440043ac6ff5739b58746286f33jc            break;
d69c2551e89e9440043ac6ff5739b58746286f33jc        case CMD_PTR_CPU_L3TAG:
d69c2551e89e9440043ac6ff5739b58746286f33jc            cache_info.cache = L3_CACHE_TAG;
d69c2551e89e9440043ac6ff5739b58746286f33jc            break;
d69c2551e89e9440043ac6ff5739b58746286f33jc        case CMD_PTR_CPU_L3DATA:
d69c2551e89e9440043ac6ff5739b58746286f33jc            cache_info.cache = L3_CACHE_DATA;
d69c2551e89e9440043ac6ff5739b58746286f33jc            break;
d69c2551e89e9440043ac6ff5739b58746286f33jc    }
d69c2551e89e9440043ac6ff5739b58746286f33jc
d69c2551e89e9440043ac6ff5739b58746286f33jc    fmd_hdl_debug(hdl,
d69c2551e89e9440043ac6ff5739b58746286f33jc        "\n%s:cpu %d: Unretiring index %d, way %d bit %d\n",
d69c2551e89e9440043ac6ff5739b58746286f33jc        fltnm, cpu->cpu_cpuid, cache_info.index, cache_info.way,
d69c2551e89e9440043ac6ff5739b58746286f33jc        (int16_t)cache_info.bit);
d69c2551e89e9440043ac6ff5739b58746286f33jc    ret = ioctl(fd, MEM_CACHE_UNRETIRE, &cache_info);
d69c2551e89e9440043ac6ff5739b58746286f33jc    (void) close(fd);
d69c2551e89e9440043ac6ff5739b58746286f33jc    if (ret == -1) {
d69c2551e89e9440043ac6ff5739b58746286f33jc        fmd_hdl_debug(hdl,
d69c2551e89e9440043ac6ff5739b58746286f33jc            "fltnm:cpu_id %d MEM_CACHE_UNRETIRE ioctl failed\n",
d69c2551e89e9440043ac6ff5739b58746286f33jc            fltnm, cpu->cpu_cpuid);
d69c2551e89e9440043ac6ff5739b58746286f33jc        return (B_FALSE);
d69c2551e89e9440043ac6ff5739b58746286f33jc    }
d69c2551e89e9440043ac6ff5739b58746286f33jc
d69c2551e89e9440043ac6ff5739b58746286f33jc    return (B_TRUE);
d69c2551e89e9440043ac6ff5739b58746286f33jc}
d69c2551e89e9440043ac6ff5739b58746286f33jc
d69c2551e89e9440043ac6ff5739b58746286f33jcstatic cmd_Lxcache_t *
d69c2551e89e9440043ac6ff5739b58746286f33jccmd_Lxcache_lookup_by_type_index_way_flags(cmd_cpu_t *cpu,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_ptrsubtype_t type, int32_t index, int8_t way, int32_t flags)
d69c2551e89e9440043ac6ff5739b58746286f33jc{
d69c2551e89e9440043ac6ff5739b58746286f33jc    cmd_Lxcache_t *cmd_Lxcache;
d69c2551e89e9440043ac6ff5739b58746286f33jc
d69c2551e89e9440043ac6ff5739b58746286f33jc    for (cmd_Lxcache = cmd_list_next(&cpu->cpu_Lxcaches);
d69c2551e89e9440043ac6ff5739b58746286f33jc        cmd_Lxcache != NULL;
d69c2551e89e9440043ac6ff5739b58746286f33jc        cmd_Lxcache = cmd_list_next(cmd_Lxcache)) {
d69c2551e89e9440043ac6ff5739b58746286f33jc        if ((cmd_Lxcache->Lxcache_index == index) &&
d69c2551e89e9440043ac6ff5739b58746286f33jc            (cmd_Lxcache->Lxcache_way == way) &&
d69c2551e89e9440043ac6ff5739b58746286f33jc            (cmd_Lxcache->Lxcache_type == type) &&
d69c2551e89e9440043ac6ff5739b58746286f33jc            (cmd_Lxcache->Lxcache_flags & flags))
d69c2551e89e9440043ac6ff5739b58746286f33jc            return (cmd_Lxcache);
d69c2551e89e9440043ac6ff5739b58746286f33jc    }
d69c2551e89e9440043ac6ff5739b58746286f33jc    return (NULL);
d69c2551e89e9440043ac6ff5739b58746286f33jc}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanianstatic int8_t
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_Lxcache_get_bit_array_of_available_ways(cmd_cpu_t *cpu,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_ptrsubtype_t type, int32_t index)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian{
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    uint8_t bit_array_of_unavailable_ways;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    uint8_t bit_array_of_available_ways;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_ptrsubtype_t match_type;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_Lxcache_t *cmd_Lxcache;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    uint8_t bit_array_of_retired_ways;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    /*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian     * We scan the Lxcache structures for this CPU and collect
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian     * the following 2 information.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian     * - bit_array_of_retired_ways
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian     * - bit_array_of_unavailable_ways
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian     * If type is Lx_TAG then unavailable_ways will not include ways that
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian     * were retired due to DATA faults, because these ways can still be
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian     * re-retired for TAG faults.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian     * If 3 ways have been retired then we protect the only remaining
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian     * unretired way by marking it as unavailable.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian     */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    bit_array_of_unavailable_ways = 0;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    bit_array_of_retired_ways = 0;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    switch (type) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        case CMD_PTR_CPU_L2TAG:
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            match_type = CMD_PTR_CPU_L2DATA;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            break;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        case CMD_PTR_CPU_L2DATA:
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            match_type = CMD_PTR_CPU_L2TAG;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            break;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        case CMD_PTR_CPU_L3TAG:
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            match_type = CMD_PTR_CPU_L3DATA;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            break;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        case CMD_PTR_CPU_L3DATA:
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            match_type = CMD_PTR_CPU_L3TAG;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            break;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    for (cmd_Lxcache = cmd_list_next(&cpu->cpu_Lxcaches);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        cmd_Lxcache != NULL;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        cmd_Lxcache = cmd_list_next(cmd_Lxcache)) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        if ((cmd_Lxcache->Lxcache_index == index) &&
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            ((cmd_Lxcache->Lxcache_type == type) ||
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            (cmd_Lxcache->Lxcache_type == match_type)) &&
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            (cmd_Lxcache->Lxcache_flags &
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            (CMD_LxCACHE_F_RETIRED | CMD_LxCACHE_F_RERETIRED))) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            bit_array_of_retired_ways |=
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                (1 << cmd_Lxcache->Lxcache_way);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            /*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             * If we are calling this while handling TAG errors
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             * we can reretire the cachelines retired due to DATA
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             * errors. We will ignore the cachelnes that are
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             * retired due to DATA faults.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            if ((type == CMD_PTR_CPU_L2TAG) &&
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                (cmd_Lxcache->Lxcache_type == CMD_PTR_CPU_L2DATA))
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                continue;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            if ((type == CMD_PTR_CPU_L3TAG) &&
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                (cmd_Lxcache->Lxcache_type == CMD_PTR_CPU_L3DATA))
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                continue;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            bit_array_of_unavailable_ways |=
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                (1 << cmd_Lxcache->Lxcache_way);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (cmd_num_of_bits[bit_array_of_retired_ways & 0xf] == 3) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        /*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * special case: 3 ways are already retired.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * The Lone unretired way is set as 1, rest are set as 0.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * We now OR this with bit_array_of_unavailable_ways
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * so that this unretired way will not be allocated.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        bit_array_of_retired_ways ^= 0xf;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        bit_array_of_retired_ways &= 0xf;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        bit_array_of_unavailable_ways |= bit_array_of_retired_ways;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    bit_array_of_available_ways =
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        ((bit_array_of_unavailable_ways ^ 0xf) & 0xf);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    return (bit_array_of_available_ways);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian/*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian * Look for a way next to the specified way that is
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian * not in a retired state.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian * We stop when way 3 is reached.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanianint8_t
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_Lxcache_get_next_retirable_way(cmd_cpu_t *cpu,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    int32_t index, cmd_ptrsubtype_t pstype, int8_t specified_way)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian{
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    uint8_t bit_array_of_ways;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    int8_t mask;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (specified_way == 3)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        return (-1);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    bit_array_of_ways = cmd_Lxcache_get_bit_array_of_available_ways(
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        cpu,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        pstype, index);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (specified_way == 2)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        mask = 0x8;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    else if (specified_way == 1)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        mask = 0xc;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    else
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        mask = 0xe;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    return (cmd_lowest_way[bit_array_of_ways & mask]);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanianint8_t
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_Lxcache_get_lowest_retirable_way(cmd_cpu_t *cpu,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    int32_t index, cmd_ptrsubtype_t pstype)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian{
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    uint8_t bit_array_of_ways;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    bit_array_of_ways = cmd_Lxcache_get_bit_array_of_available_ways(
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        cpu,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        pstype, index);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    return (cmd_lowest_way[bit_array_of_ways]);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_Lxcache_t *
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_Lxcache_lookup_by_type_index_way_reason(cmd_cpu_t *cpu,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_ptrsubtype_t pstype, int32_t index, int8_t way, int32_t reason)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian{
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_Lxcache_t *cmd_Lxcache;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    for (cmd_Lxcache = cmd_list_next(&cpu->cpu_Lxcaches);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        cmd_Lxcache != NULL;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        cmd_Lxcache = cmd_list_next(cmd_Lxcache)) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        if ((cmd_Lxcache->Lxcache_index == (uint32_t)index) &&
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            (cmd_Lxcache->Lxcache_way == (uint32_t)way) &&
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            (cmd_Lxcache->Lxcache_reason & reason) &&
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            (cmd_Lxcache->Lxcache_type == pstype)) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            return (cmd_Lxcache);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    return (NULL);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_Lxcache_t *
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_Lxcache_lookup_by_type_index_bit_reason(cmd_cpu_t *cpu,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_ptrsubtype_t pstype, int32_t index, int16_t bit, int32_t reason)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian{
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_Lxcache_t *cmd_Lxcache;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    for (cmd_Lxcache = cmd_list_next(&cpu->cpu_Lxcaches);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        cmd_Lxcache != NULL;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        cmd_Lxcache = cmd_list_next(cmd_Lxcache)) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        if ((cmd_Lxcache->Lxcache_index == (uint32_t)index) &&
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            (cmd_Lxcache->Lxcache_bit == (uint16_t)bit) &&
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            (cmd_Lxcache->Lxcache_reason & reason) &&
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            (cmd_Lxcache->Lxcache_type == pstype)) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            return (cmd_Lxcache);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    return (NULL);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanianvoid
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_Lxcache_destroy_anonymous_serd_engines(fmd_hdl_t *hdl, cmd_cpu_t *cpu,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_ptrsubtype_t type, int32_t index, int16_t bit)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian{
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_Lxcache_t *cmd_Lxcache;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_case_t *cc;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    for (cmd_Lxcache = cmd_list_next(&cpu->cpu_Lxcaches);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        cmd_Lxcache != NULL;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        cmd_Lxcache = cmd_list_next(cmd_Lxcache)) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        if ((cmd_Lxcache->Lxcache_type == type) &&
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            (cmd_Lxcache->Lxcache_index == (uint32_t)index) &&
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            (cmd_Lxcache->Lxcache_bit == (uint16_t)bit) &&
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            (cmd_Lxcache->Lxcache_way == (uint32_t)CMD_ANON_WAY)) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            cc = &cmd_Lxcache->Lxcache_case;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            if (cc == NULL)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                continue;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            if (cc->cc_serdnm != NULL) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                if (fmd_serd_exists(hdl, cc->cc_serdnm)) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                    fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                        "\n%s:cpu_id %d destroying SERD"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                        " engine %s\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                        cmd_type_to_str(type),
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                        cpu->cpu_cpuid, cc->cc_serdnm);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                    fmd_serd_destroy(hdl, cc->cc_serdnm);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                fmd_hdl_strfree(hdl, cc->cc_serdnm);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                cc->cc_serdnm = NULL;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanianssize_t
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_fmri_nvl2str(fmd_hdl_t *hdl, nvlist_t *nvl, char *buf, size_t buflen)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian{
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    uint8_t type;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    uint32_t cpuid, way;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    uint32_t    index;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    uint16_t    bit;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    char *serstr = NULL;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    char    missing_list[128];
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    missing_list[0] = 0;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (nvlist_lookup_uint32(nvl, FM_FMRI_CPU_ID, &cpuid) != 0)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        (void) strcat(missing_list, FM_FMRI_CPU_ID);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (nvlist_lookup_string(nvl, FM_FMRI_CPU_SERIAL_ID, &serstr) != 0)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        (void) strcat(missing_list, FM_FMRI_CPU_SERIAL_ID);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (nvlist_lookup_uint32(nvl, FM_FMRI_CPU_CACHE_INDEX, &index) != 0)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        (void) strcat(missing_list, FM_FMRI_CPU_CACHE_INDEX);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (nvlist_lookup_uint32(nvl, FM_FMRI_CPU_CACHE_WAY, &way) != 0)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        (void) strcat(missing_list, FM_FMRI_CPU_CACHE_WAY);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (nvlist_lookup_uint16(nvl, FM_FMRI_CPU_CACHE_BIT, &bit) != 0)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        (void) strcat(missing_list, FM_FMRI_CPU_CACHE_BIT);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (nvlist_lookup_uint8(nvl, FM_FMRI_CPU_CACHE_TYPE, &type) != 0)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        (void) strcat(missing_list, FM_FMRI_CPU_CACHE_TYPE);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (strlen(missing_list) != 0) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            "\ncmd_fmri_nvl2str: missing %s in fmri\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            missing_list);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        return (-1);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    return (snprintf(buf, buflen,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        "cpu:///%s=%u/%s=%s/%s=%u/%s=%u/%s=%d/%s=%d",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        FM_FMRI_CPU_ID, cpuid,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        FM_FMRI_CPU_SERIAL_ID, serstr,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        FM_FMRI_CPU_CACHE_INDEX, index,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        FM_FMRI_CPU_CACHE_WAY, way,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        FM_FMRI_CPU_CACHE_BIT, bit,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        FM_FMRI_CPU_CACHE_TYPE, type));
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
d69c2551e89e9440043ac6ff5739b58746286f33jcboolean_t
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_create_case_for_Lxcache(fmd_hdl_t *hdl, cmd_cpu_t *cpu,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_Lxcache_t *cmd_Lxcache)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian{
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    const char *fltnm;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    const char *uuid;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (cmd_Lxcache->Lxcache_case.cc_cp != NULL)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        return (B_TRUE);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_Lxcache->Lxcache_case.cc_cp = cmd_case_create(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        &cmd_Lxcache->Lxcache_header, CMD_PTR_LxCACHE_CASE,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        &uuid);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    fltnm = cmd_type_to_str(cmd_Lxcache->Lxcache_type);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (cmd_Lxcache->Lxcache_case.cc_cp == NULL) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            "\n%s:cpu_id %d:Failed to create a case for"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            " index %d way %d bit %d\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            fltnm, cpu->cpu_cpuid,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            cmd_Lxcache->Lxcache_index,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            cmd_Lxcache->Lxcache_way, cmd_Lxcache->Lxcache_bit);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        return (B_FALSE);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        "\n%s:cpu_id %d: New case %s created.\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        fltnm, cpu->cpu_cpuid, uuid);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (cmd_Lxcache->Lxcache_ep)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        fmd_case_add_ereport(hdl, cmd_Lxcache->Lxcache_case.cc_cp,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            cmd_Lxcache->Lxcache_ep);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    return (B_TRUE);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanianstatic int
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_repair_fmri(fmd_hdl_t *hdl, char *buf)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian{
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    int err;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    err = fmd_repair_asru(hdl, buf);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (err) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            "Failed to repair %s err = %d\n", buf, err);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    return (err);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanianboolean_t
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_Lxcache_unretire(fmd_hdl_t *hdl, cmd_cpu_t *cpu,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_Lxcache_t *unretire_this_Lxcache, const char *fltnm)
d69c2551e89e9440043ac6ff5739b58746286f33jc{
d69c2551e89e9440043ac6ff5739b58746286f33jc    cmd_ptrsubtype_t data_type;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_Lxcache_t *previously_retired_Lxcache;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    int found_reretired_cacheline = 0;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    int certainty;
d69c2551e89e9440043ac6ff5739b58746286f33jc
d69c2551e89e9440043ac6ff5739b58746286f33jc    /*
d69c2551e89e9440043ac6ff5739b58746286f33jc     * If we are unretiring a cacheline retired due to suspected TAG
d69c2551e89e9440043ac6ff5739b58746286f33jc     * fault, then we must first check if we are using a cacheline
d69c2551e89e9440043ac6ff5739b58746286f33jc     * that was retired earlier for DATA fault.
d69c2551e89e9440043ac6ff5739b58746286f33jc     * If so we will not unretire the cacheline.
d69c2551e89e9440043ac6ff5739b58746286f33jc     * We will change the flags to reflect the current condition.
d69c2551e89e9440043ac6ff5739b58746286f33jc     * We will return success, though.
d69c2551e89e9440043ac6ff5739b58746286f33jc     */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (IS_TAG(unretire_this_Lxcache->Lxcache_type)) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        if (unretire_this_Lxcache->Lxcache_type == CMD_PTR_CPU_L2TAG)
d69c2551e89e9440043ac6ff5739b58746286f33jc            data_type = CMD_PTR_CPU_L2DATA;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        if (unretire_this_Lxcache->Lxcache_type == CMD_PTR_CPU_L3TAG)
d69c2551e89e9440043ac6ff5739b58746286f33jc            data_type = CMD_PTR_CPU_L3DATA;
d69c2551e89e9440043ac6ff5739b58746286f33jc        fmd_hdl_debug(hdl,
d69c2551e89e9440043ac6ff5739b58746286f33jc            "\n%s:cpuid %d checking if there is a %s"
d69c2551e89e9440043ac6ff5739b58746286f33jc            " cacheline re-retired at this index %d and way %d\n",
d69c2551e89e9440043ac6ff5739b58746286f33jc            fltnm, cpu->cpu_cpuid, cmd_type_to_str(data_type),
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            unretire_this_Lxcache->Lxcache_index,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            unretire_this_Lxcache->Lxcache_way);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        previously_retired_Lxcache =
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            cmd_Lxcache_lookup_by_type_index_way_flags(
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            cpu, data_type, unretire_this_Lxcache->Lxcache_index,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            unretire_this_Lxcache->Lxcache_way,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            CMD_LxCACHE_F_RERETIRED);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        if (previously_retired_Lxcache) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                "\n%s:cpuid %d Found a %s cacheline re-retired at"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                " this index %d and way %d. Will mark this"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                " RETIRED\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                fltnm, cpu->cpu_cpuid, cmd_type_to_str(data_type),
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                unretire_this_Lxcache->Lxcache_index,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                unretire_this_Lxcache->Lxcache_way);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            /*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             * We call the cmd_Lxcache_fault to inform fmd
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             * about the suspect fmri. The cacheline is already
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             * retired but the existing suspect fmri is for TAG
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             * fault which will be removed in this routine.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            if (previously_retired_Lxcache->Lxcache_reason
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                == CMD_LXCONVICTED)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                certainty = HUNDRED_PERCENT;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            else
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                certainty = SUSPECT_PERCENT;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            cmd_Lxcache_fault(hdl, cpu, previously_retired_Lxcache,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                fltnm, cpu->cpu_fru_nvl, certainty);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            previously_retired_Lxcache->Lxcache_flags =
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                CMD_LxCACHE_F_RETIRED;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            /*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             * Update persistent storage
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            cmd_Lxcache_write(hdl, previously_retired_Lxcache);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            found_reretired_cacheline = 1;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    } else {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        /*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * We have been called to unretire a cacheline retired
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * earlier due to DATA errors.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * If this cacheline is marked RERETIRED then it means that
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * the cacheline has been retired due to TAG errors and
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * we should not be unretiring the cacheline.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        if (unretire_this_Lxcache->Lxcache_flags &
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            CMD_LxCACHE_F_RERETIRED) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                "\n%s:cpuid %d The cacheline at index %d and"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                " way %d  which we are attempting to unretire"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                " is in RERETIRED state. Therefore we will not"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                " unretire it but will mark it as RETIRED.\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                fltnm, cpu->cpu_cpuid,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                unretire_this_Lxcache->Lxcache_index,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                unretire_this_Lxcache->Lxcache_way);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            found_reretired_cacheline = 1;
d69c2551e89e9440043ac6ff5739b58746286f33jc        }
d69c2551e89e9440043ac6ff5739b58746286f33jc    }
d69c2551e89e9440043ac6ff5739b58746286f33jc    /*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian     * if we did not find a RERETIRED cacheline above
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian     * unretire the cacheline.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian     */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (!found_reretired_cacheline) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        if (cmd_cache_way_unretire(hdl, cpu, unretire_this_Lxcache)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            == B_FALSE)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            return (B_FALSE);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    unretire_this_Lxcache->Lxcache_flags = CMD_LxCACHE_F_UNRETIRED;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    /*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian     * We have exonerated the cacheline. We need to inform the fmd
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian     * that we have repaired the suspect fmri that we retired earlier.
d69c2551e89e9440043ac6ff5739b58746286f33jc     * The cpumem agent will not unretire cacheline in response to
d69c2551e89e9440043ac6ff5739b58746286f33jc     * the list.repair events it receives.
d69c2551e89e9440043ac6ff5739b58746286f33jc     */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (unretire_this_Lxcache->Lxcache_retired_fmri[0] != 0) {
d69c2551e89e9440043ac6ff5739b58746286f33jc        fmd_hdl_debug(hdl,
d69c2551e89e9440043ac6ff5739b58746286f33jc            "\n%s:cpuid %d Repairing the retired fmri %s",
d69c2551e89e9440043ac6ff5739b58746286f33jc            fltnm, cpu->cpu_cpuid,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            unretire_this_Lxcache->Lxcache_retired_fmri);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        if (cmd_repair_fmri(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            unretire_this_Lxcache->Lxcache_retired_fmri) != 0) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                "\n%s:cpuid %d Failed to repair retired fmri.",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                fltnm, cpu->cpu_cpuid);
d69c2551e89e9440043ac6ff5739b58746286f33jc            /*
d69c2551e89e9440043ac6ff5739b58746286f33jc             * We need to retire the cacheline that we just
d69c2551e89e9440043ac6ff5739b58746286f33jc             * unretired.
d69c2551e89e9440043ac6ff5739b58746286f33jc             */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            if (cmd_cache_way_retire(hdl, cpu,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                unretire_this_Lxcache) == B_FALSE) {
d69c2551e89e9440043ac6ff5739b58746286f33jc                /*
d69c2551e89e9440043ac6ff5739b58746286f33jc                 * A hopeless situation.
d69c2551e89e9440043ac6ff5739b58746286f33jc                 * cannot maintain consistency of cacheline
d69c2551e89e9440043ac6ff5739b58746286f33jc                 * sate between fmd and DE.
d69c2551e89e9440043ac6ff5739b58746286f33jc                 * Aborting the DE.
d69c2551e89e9440043ac6ff5739b58746286f33jc                 */
d69c2551e89e9440043ac6ff5739b58746286f33jc                fmd_hdl_abort(hdl,
d69c2551e89e9440043ac6ff5739b58746286f33jc                    "\n%s:cpuid %d We are unable to repair"
d69c2551e89e9440043ac6ff5739b58746286f33jc                    " the fmri we just unretired and are"
d69c2551e89e9440043ac6ff5739b58746286f33jc                    " unable to restore the DE and fmd to"
d69c2551e89e9440043ac6ff5739b58746286f33jc                    " a sane state.\n",
d69c2551e89e9440043ac6ff5739b58746286f33jc                    fltnm, cpu->cpu_cpuid);
d69c2551e89e9440043ac6ff5739b58746286f33jc            }
d69c2551e89e9440043ac6ff5739b58746286f33jc            return (B_FALSE);
d69c2551e89e9440043ac6ff5739b58746286f33jc        } else {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            unretire_this_Lxcache->Lxcache_retired_fmri[0] = 0;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    return (B_TRUE);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian}
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanianboolean_t
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramaniancmd_Lxcache_retire(fmd_hdl_t *hdl, cmd_cpu_t *cpu,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_Lxcache_t *retire_this_Lxcache, const char *fltnm, uint_t cert)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian{
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_Lxcache_t *previously_retired_Lxcache;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_ptrsubtype_t data_type;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    const char  *uuid;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    char    suspect_list[128];
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        "\n%s:cpu_id %d: cmd_Lxcache_retire called for index %d"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        " way %d bit %d\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        fltnm, cpu->cpu_cpuid, retire_this_Lxcache->Lxcache_index,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        retire_this_Lxcache->Lxcache_way, retire_this_Lxcache->Lxcache_bit);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (fmd_case_solved(hdl, retire_this_Lxcache->Lxcache_case.cc_cp)) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        /*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * Case solved implies that the cache line is already
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * retired as SUSPECT_0_TAG and we are here to retire this
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * as SUSPECT_1_TAG.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * We will first repair the retired cacheline
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * so that it does not get retired during replay for
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         *  wrong reason.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * If we are able to repair the retired cacheline we close the
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * case and open a new case for it.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        if (retire_this_Lxcache->Lxcache_reason !=
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            CMD_LXSUSPECT_0_TAG) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                "\n%s:cpu_id %d: Unexpected condition encountered."
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                " Expected the reason for retirement as"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                " SUSPECT_0_TAG however found the reason"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                " to be %s\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                fltnm, cpu->cpu_cpuid,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                cmd_reason_to_str(
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                retire_this_Lxcache->Lxcache_reason));
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            return (B_FALSE);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            "\n%s:cpu_id %d: We are re-retiring SUSPECT_0_TAG as"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            " SUSPECT_1_TAG index %d way %d bit %d\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            fltnm, cpu->cpu_cpuid,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            retire_this_Lxcache->Lxcache_index,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            retire_this_Lxcache->Lxcache_way,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            retire_this_Lxcache->Lxcache_bit);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            "\n%s:cpu_id %d: The existing case for this Lxcache has"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            " has been already solved. We will first repair the suspect"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            " cacheline and if we are successful then close this case,"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            " and open a new case.\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            fltnm, cpu->cpu_cpuid);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        /*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * repair the retired cacheline.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        if (retire_this_Lxcache->Lxcache_retired_fmri[0] != 0) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                "\n%s:cpuid %d Repairing the retired suspect"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                " cacheline %s\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                fltnm, cpu->cpu_cpuid,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                retire_this_Lxcache->Lxcache_retired_fmri);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            if (cmd_repair_fmri(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                retire_this_Lxcache->Lxcache_retired_fmri) != 0) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                    "\n%s:cpuid %d Failed to repair the"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                    " retired fmri.",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                    fltnm, cpu->cpu_cpuid);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                return (B_FALSE);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            } else {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                retire_this_Lxcache->Lxcache_retired_fmri[0] =
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                    0;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        uuid = fmd_case_uuid(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            retire_this_Lxcache->Lxcache_case.cc_cp);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            "\n%s:cpuid %d: Closing the case %s\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            fltnm, cpu->cpu_cpuid, uuid);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        cmd_case_fini(hdl, retire_this_Lxcache->Lxcache_case.cc_cp,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            FMD_B_TRUE);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        retire_this_Lxcache->Lxcache_case.cc_cp = NULL;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        if (cmd_create_case_for_Lxcache(hdl, cpu, retire_this_Lxcache)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            == B_FALSE)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            return (B_FALSE);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    } else {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        /*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * Not a SUSPECT_0_TAG.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * We should be entering this path if the cacheline is
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * transitioning  from ACTIVE/UNRETIRED to RETIRED state.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * If the cacheline state is not as expected we print debug
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * message and return failure.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        if ((retire_this_Lxcache->Lxcache_flags !=
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            CMD_LxCACHE_F_ACTIVE) &&
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            (retire_this_Lxcache->Lxcache_flags
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            != CMD_LxCACHE_F_UNRETIRED)) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            /*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             * Unexpected condition.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                "\n%s:cpu_id %d:Unexpected state %s for the"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                " cacheline at index %d way %d encountered.\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                fltnm, cpu->cpu_cpuid,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                cmd_flags_to_str(
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                retire_this_Lxcache->Lxcache_flags),
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                retire_this_Lxcache->Lxcache_index,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                retire_this_Lxcache->Lxcache_way);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            return (B_FALSE);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    suspect_list[0] = 0;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    (void) cmd_fmri_nvl2str(hdl, retire_this_Lxcache->Lxcache_asru.fmri_nvl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        suspect_list, sizeof (suspect_list));
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        "\n%s:cpu_id %d:current suspect list is %s\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        fltnm, cpu->cpu_cpuid, suspect_list);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_Lxcache_fault(hdl, cpu, retire_this_Lxcache, fltnm,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        cpu->cpu_fru_nvl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        cert);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    retire_this_Lxcache->Lxcache_flags = CMD_LxCACHE_F_RETIRED;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    if (IS_TAG(retire_this_Lxcache->Lxcache_type)) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        /*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * If the cacheline we just retired was retired earlier
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * due to DATA faults we mark the Lxcache
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         * corresponding to DATA as RERETIRED.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian         */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        if (retire_this_Lxcache->Lxcache_type == CMD_PTR_CPU_L2TAG)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            data_type = CMD_PTR_CPU_L2DATA;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        if (retire_this_Lxcache->Lxcache_type == CMD_PTR_CPU_L3TAG)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            data_type = CMD_PTR_CPU_L3DATA;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            "\n%s:cpuid %d checking if there is a %s"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            " cacheline retired at this index %d way %d\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            fltnm, cpu->cpu_cpuid,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            cmd_type_to_str(data_type),
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            retire_this_Lxcache->Lxcache_index,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            retire_this_Lxcache->Lxcache_way);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        previously_retired_Lxcache =
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            cmd_Lxcache_lookup_by_type_index_way_flags(cpu,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            data_type, retire_this_Lxcache->Lxcache_index,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            retire_this_Lxcache->Lxcache_way, CMD_LxCACHE_F_RETIRED);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        if (previously_retired_Lxcache) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                "\n%s:cpu_id %d: Found  index %d way %d"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                " retired earlier. Will mark this Lxcache"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                " as RERETIRED.\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                fltnm, cpu->cpu_cpuid,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                retire_this_Lxcache->Lxcache_index,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                retire_this_Lxcache->Lxcache_way);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            /*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             * First repair the retired cacheline and if successful
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             * close the existing case and create a new case.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            /*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             * This cacheline has already been retired for
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             * TAG fault.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             * Repair the previously retired DATA fault cacheline so
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             * that it does not get retired by fmd during replay.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            if (previously_retired_Lxcache->Lxcache_retired_fmri[0]
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                != 0) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                    "\n%s:cpuid %d Repairing the cacheline"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                    " retired due to data errors. %s\n",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                    fltnm, cpu->cpu_cpuid,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                    previously_retired_Lxcache->
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                    Lxcache_retired_fmri);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                if (cmd_repair_fmri(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                    previously_retired_Lxcache->
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                    Lxcache_retired_fmri)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                    != 0) {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                    fmd_hdl_debug(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                        "\n%s:cpuid %d Failed to repair the"
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                        " retired fmri.",
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                        fltnm, cpu->cpu_cpuid);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                    return (B_FALSE);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                } else {
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                    previously_retired_Lxcache->
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                        Lxcache_retired_fmri[0] = 0;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            cmd_case_fini(hdl,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                previously_retired_Lxcache->Lxcache_case.cc_cp,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                FMD_B_TRUE);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            previously_retired_Lxcache->Lxcache_case.cc_cp = NULL;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            previously_retired_Lxcache->Lxcache_flags =
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                CMD_LxCACHE_F_RERETIRED;
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            /*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             * Update persistent storage
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            cmd_Lxcache_write(hdl, previously_retired_Lxcache);
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            /*
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             * Create a new case so that this Lxcache structure
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             * gets restored on replay.
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian             */
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian            if (cmd_create_case_for_Lxcache(hdl, cpu,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                previously_retired_Lxcache) == B_FALSE)
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian                return (B_FALSE);
d69c2551e89e9440043ac6ff5739b58746286f33jc        }
d69c2551e89e9440043ac6ff5739b58746286f33jc    }
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian    cmd_retire_cpu_if_limits_exceeded(hdl, cpu,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        retire_this_Lxcache->Lxcache_type,
a62774df315360f02521d6470eab7d5080137dadSinanallur Balasubramanian        fltnm);
d69c2551e89e9440043ac6ff5739b58746286f33jc    return (B_TRUE);
d69c2551e89e9440043ac6ff5739b58746286f33jc}