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/*
* 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.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* 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 <picl.h>
#include <picltree.h>
#include <stdio.h>
#include <time.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <libintl.h>
#include <limits.h>
#include <ctype.h>
#include <errno.h>
#include <semaphore.h>
#include <syslog.h>
#include <string.h>
#include <sys/types.h>
#include <sys/systeminfo.h>
#include <psvc_objects.h>
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);
}
|
