/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2004 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* * PICL Cherrystone platform plug-in to remove environment tree nodes * if corresponding physical device is not present. For creating * the picltree nodes, see: * usr/src/cmd/picl/plugins/sun4u/psvc/psvcplugin/psvcplugin.c */ #define _POSIX_PRIORITY_SCHEDULING 1 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static psvc_opaque_t hdlp; #define PSVC_PLUGIN_VERSION PICLD_PLUGIN_VERSION_1 #pragma init(psvc_psr_plugin_register) /* place in .init section */ typedef struct { char name[32]; picl_nodehdl_t node; } picl_psvc_t; extern struct handle { uint32_t obj_count; picl_psvc_t *objects; FILE *fp; } psvc_hdl; void psvc_psr_plugin_init(void); void psvc_psr_plugin_fini(void); picld_plugin_reg_t psvc_psr_reg = { PSVC_PLUGIN_VERSION, PICLD_PLUGIN_CRITICAL, "PSVC_PSR", psvc_psr_plugin_init, psvc_psr_plugin_fini }; #define PSVC_INIT_ERR gettext("%s: Error in psvc_init(): %s\n") #define PTREE_DELETE_NODE_ERR gettext("%s: ptree_delete_node() failed: %s\n") #define PTREE_GET_NODE_ERR \ gettext("%s: ptree_get_node_by_path() failed: %s\n") extern int ptree_get_node_by_path(const char *, picl_nodehdl_t *); /* ======================================== */ struct node_file { char path[256]; char file[256]; } dev_pr_info[] = { /* Search for memory */ {"/SYSTEM/MOTHERBOARD/CPU_0_2_MOD_SLOT/CPU_0_2_MOD_CARD/24C02_A0_0", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@0,a0:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_0_2_MOD_SLOT/CPU_0_2_MOD_CARD/24C02_A2_0", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@0,a2:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_0_2_MOD_SLOT/CPU_0_2_MOD_CARD/24C02_A4_0", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@0,a4:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_0_2_MOD_SLOT/CPU_0_2_MOD_CARD/24C02_A6_0", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@0,a6:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_0_2_MOD_SLOT/CPU_0_2_MOD_CARD/24C02_A8_0", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@0,a8:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_0_2_MOD_SLOT/CPU_0_2_MOD_CARD/24C02_AA_0", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@0,aa:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_0_2_MOD_SLOT/CPU_0_2_MOD_CARD/24C02_AC_0", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@0,ac:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_0_2_MOD_SLOT/CPU_0_2_MOD_CARD/24C02_AE_0", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@0,ae:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_1_3_MOD_SLOT/CPU_1_3_MOD_CARD/24C02_A0_1", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@1,a0:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_1_3_MOD_SLOT/CPU_1_3_MOD_CARD/24C02_A2_1", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@1,a2:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_1_3_MOD_SLOT/CPU_1_3_MOD_CARD/24C02_A4_1", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@1,a4:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_1_3_MOD_SLOT/CPU_1_3_MOD_CARD/24C02_A6_1", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@1,a6:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_1_3_MOD_SLOT/CPU_1_3_MOD_CARD/24C02_A8_1", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@1,a8:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_1_3_MOD_SLOT/CPU_1_3_MOD_CARD/24C02_AA_1", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@1,aa:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_1_3_MOD_SLOT/CPU_1_3_MOD_CARD/24C02_AC_1", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@1,ac:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_1_3_MOD_SLOT/CPU_1_3_MOD_CARD/24C02_AE_1", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@1,ae:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_0_2_MOD_SLOT/CPU_0_2_MOD_CARD/24C02_A0_2", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@2,a0:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_0_2_MOD_SLOT/CPU_0_2_MOD_CARD/24C02_A2_2", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@2,a2:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_0_2_MOD_SLOT/CPU_0_2_MOD_CARD/24C02_A4_2", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@2,a4:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_0_2_MOD_SLOT/CPU_0_2_MOD_CARD/24C02_A6_2", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@2,a6:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_0_2_MOD_SLOT/CPU_0_2_MOD_CARD/24C02_A8_2", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@2,a8:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_0_2_MOD_SLOT/CPU_0_2_MOD_CARD/24C02_AA_2", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@2,aa:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_0_2_MOD_SLOT/CPU_0_2_MOD_CARD/24C02_AC_2", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@2,ac:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_0_2_MOD_SLOT/CPU_0_2_MOD_CARD/24C02_AE_2", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@2,ae:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_1_3_MOD_SLOT/CPU_1_3_MOD_CARD/24C02_A0_3", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@3,a0:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_1_3_MOD_SLOT/CPU_1_3_MOD_CARD/24C02_A2_3", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@3,a2:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_1_3_MOD_SLOT/CPU_1_3_MOD_CARD/24C02_A4_3", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@3,a4:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_1_3_MOD_SLOT/CPU_1_3_MOD_CARD/24C02_A6_3", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@3,a6:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_1_3_MOD_SLOT/CPU_1_3_MOD_CARD/24C02_A8_3", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@3,a8:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_1_3_MOD_SLOT/CPU_1_3_MOD_CARD/24C02_AA_3", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@3,aa:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_1_3_MOD_SLOT/CPU_1_3_MOD_CARD/24C02_AC_3", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@3,ac:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_1_3_MOD_SLOT/CPU_1_3_MOD_CARD/24C02_AE_3", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@3,ae:fru"}, /* Search for 64Kbit SPD */ {"/SYSTEM/MOTHERBOARD/CPU_0_2_MOD_SLOT/CPU_0_2_MOD_CARD/24C64_A0_4", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@4,a0:fru"}, {"/SYSTEM/MOTHERBOARD/CPU_1_3_MOD_SLOT/CPU_1_3_MOD_CARD/24C64_A2_4", "/devices/pci@9,700000/ebus@1/i2c@1,2e/fru@4,a2:fru"}, /* * Search for CPU Module cards. We check one cpu's die temperature * sensor If not present, then we remove the entire node since module * cards come with two cpus in them, each cpu having a die temperature * sensor */ {"/SYSTEM/MOTHERBOARD/CPU_0_2_MOD_SLOT/CPU_0_2_MOD_CARD", "/devices/pci@9,700000/ebus@1/i2c@1,30/temperature@0,30:die_temp"}, {"/SYSTEM/MOTHERBOARD/CPU_1_3_MOD_SLOT/CPU_1_3_MOD_CARD", "/devices/pci@9,700000/ebus@1/i2c@1,30/temperature@0,52:die_temp"}, {"/SYSTEM/SIB_BOARD", "/devices/pci@9,700000/ebus@1/i2c@1,30/temperature@0,98:die_temp"}, /* * Check to see if RSC Card FRU is present. If it is not present, * then RSC Card is not present, and so we remove those nodes from * picl tree as well. */ {"/SYSTEM/RSC_SLOT/RSC_CARD/24C64_A6_5", "/devices/pci@9,700000/ebus@1/i2c@1,30/fru@0,a6:fru"}, {"/SYSTEM/RSC_SLOT/RSC_CARD", "/devices/pci@9,700000/ebus@1/i2c@1,30/fru@0,a6:fru"} }; #define DEV_PR_COUNT (sizeof (dev_pr_info) / sizeof (struct node_file)) static void init_err(char *fmt, char *arg1, char *arg2) { char msg[256]; sprintf(msg, fmt, arg1, arg2); syslog(LOG_ERR, msg); } void psvc_psr_plugin_init(void) { char *funcname = "psvc_plugin_psr_init"; int32_t i; int err; boolean_t present; /* * So the volatile read/write routines can retrieve data from * psvc or picl */ err = psvc_init(&hdlp); if (err != 0) { init_err(PSVC_INIT_ERR, funcname, strerror(errno)); } /* * Remove nodes whose devices aren't present from the picl tree. */ for (i = 0; i < psvc_hdl.obj_count; ++i) { picl_psvc_t *objp; uint64_t features; objp = &psvc_hdl.objects[i]; err = psvc_get_attr(hdlp, objp->name, PSVC_PRESENCE_ATTR, &present); if (err != PSVC_SUCCESS) continue; err = psvc_get_attr(hdlp, objp->name, PSVC_FEATURES_ATTR, &features); if (err != PSVC_SUCCESS) continue; if ((features & (PSVC_DEV_HOTPLUG | PSVC_DEV_OPTION)) && (present == PSVC_ABSENT)) { err = ptree_delete_node(objp->node); if (err != 0) { init_err(PTREE_DELETE_NODE_ERR, funcname, picl_strerror(err)); return; } } } /* * Remove PICL device nodes if their /devices file isn't present or * if the device file is present but the open returns ENXIO * which indicates that the node file doesn't represent a device * tree node and is probably a relic from some previous boot config */ for (i = 0; i < DEV_PR_COUNT; ++i) { picl_nodehdl_t dev_pr_node; int fd; fd = open(dev_pr_info[i].file, O_RDONLY); if (fd != -1) { close(fd); continue; } if ((errno != ENOENT) && (errno != ENXIO)) continue; err = ptree_get_node_by_path(dev_pr_info[i].path, &dev_pr_node); if (err != 0) { syslog(LOG_ERR, "Bad path: %s", dev_pr_info[i].path); init_err(PTREE_GET_NODE_ERR, funcname, picl_strerror(err)); return; } err = ptree_delete_node(dev_pr_node); if (err != 0) { init_err(PTREE_DELETE_NODE_ERR, funcname, picl_strerror(err)); return; } } free(psvc_hdl.objects); } void psvc_psr_plugin_fini(void) { psvc_fini(hdlp); hdlp = NULL; } void psvc_psr_plugin_register(void) { picld_plugin_register(&psvc_psr_reg); }