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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     27 
     28 /*
     29  * Daktari platform platform specific environment monitoring policies
     30  */
     31 #include	<poll.h>
     32 #include	<syslog.h>
     33 #include	<unistd.h>
     34 #include	<stdio.h>
     35 #include	<stdlib.h>
     36 #include	<errno.h>
     37 #include	<fcntl.h>
     38 #include	<strings.h>
     39 #include	<libintl.h>
     40 #include	<sys/types.h>
     41 #include	<sys/param.h>
     42 #include	<config_admin.h>
     43 #include	<libdevice.h>
     44 #include	<picl.h>
     45 #include	<picltree.h>
     46 #include	<psvc_objects.h>
     47 #include	<sys/i2c/clients/i2c_client.h>
     48 #include	<sys/daktari.h>
     49 #include	<sys/hpc3130_events.h>
     50 #include	<assert.h>
     51 #include	<limits.h>
     52 #include	<sys/systeminfo.h>
     53 
     54 /*LINTLIBRARY*/
     55 
     56 /* resides in libcfgadm */
     57 extern cfga_err_t config_change_state(cfga_cmd_t, int, char *const *,
     58 	const char *, struct cfga_confirm *, struct cfga_msg *, char **,
     59 	cfga_flags_t);
     60 /* Local Routine */
     61 static int32_t update_gen_fault_led(psvc_opaque_t, char *);
     62 static void shutdown_routine(void);
     63 static int32_t update_thresholds(psvc_opaque_t hdlp, char *id, int offset);
     64 
     65 
     66 #ifdef DEBUG
     67 
     68 static int dak_policy_debug = 0;
     69 
     70 #define	D1SYS_ERR(ARGS) if (dak_policy_debug & 0x1) syslog ARGS;
     71 #define	D2SYS_ERR(ARGS) if (dak_policy_debug & 0x2) syslog ARGS;
     72 
     73 #else
     74 
     75 #define	D1SYS_ERR(ARGS)
     76 #define	D2SYS_ERR(ARGS)
     77 
     78 #endif
     79 
     80 #define	I2C_PATH	"/devices/pci@9,700000/ebus@1/i2c@1,30"
     81 #define	I2C_NODE	I2C_PATH ":devctl"
     82 #define	PCF8574		I2C_PATH "/ioexp@0,%x:pcf8574"
     83 #define	PCF8591		I2C_PATH "/adio@0,%x:port_0"
     84 #define	FRU		I2C_PATH "/fru@0,%x:fru"
     85 #define	HPC3130_DEV	I2C_PATH "/hotplug-controller@0,%2x:port_%1x"
     86 #define	GEN_FAULT_LED	"FSP_GEN_FAULT_LED"
     87 #define	EMPTY_STRING	"EMPTY"
     88 #define	DEVICE_FAILURE_MSG	gettext("WARNING: Device %s failure detected")
     89 #define	DEVICE_INSERTED_MSG	gettext("Device %s inserted")
     90 #define	DEVICE_REMOVED_MSG	gettext("Device %s removed")
     91 #define	PS_UNPLUGGED_MSG	gettext("Device %s unplugged")
     92 #define	PS_PLUGGED_MSG		gettext("Device %s Plugged in")
     93 #define	DEVICE_OK_MSG		gettext("Device %s OK")
     94 #define	SET_LED_FAILED_MSG		\
     95 	gettext("Failed to set LED state, id = %s, errno = %d\n")
     96 #define	GET_PRESENCE_FAILED_MSG		\
     97 	gettext("Failed to get presence attribute, id = %s, errno = %d\n")
     98 #define	GET_SENSOR_FAILED_MSG		\
     99 	gettext("Failed to get sensor value, id = %s, errno = %d\n")
    100 #define	ADD_PS_MSG			\
    101 gettext("WARNING: Only 1 Power Supply in system. ADD a 2nd Power Supply.\n")
    102 #define	REMOVE_LOAD_MSG			\
    103 	gettext("WARNING: Power Supply at 95%% current. Remove some load.\n")
    104 #define	PS_OVER_CURRENT_MSG		\
    105 	gettext("WARNING: Power Supply overcurrent detected\n")
    106 #define	PS_UNDER_CURRENT_MSG		\
    107 	gettext("WARNING: PS%d Undercurrent on one or more DC lines\n")
    108 #define	DEVICE_UNKNOWN_MSG	gettext("Unknown device %s instance %d\n")
    109 #define	DEVICE_HANDLE_FAIL_MSG		\
    110 	gettext("Failed to get device handle for %s, errno = %d\n")
    111 #define	DEVTREE_NODE_CREATE_FAILED	\
    112 	gettext("psvc PICL plugin: Failed to create node for %s, errno = %d")
    113 #define	DEVTREE_NODE_DELETE_FAILED	\
    114 	gettext("psvc PICL plugin: Failed to delete node for %s, errno = %d")
    115 #define	DISK_FAULT_MSG		gettext("%s: Error Reported\n")
    116 #define	DISK_OK_MSG		gettext("%s: Error Cleared\n")
    117 #define	SET_FANSPEED_FAILED_MSG		\
    118 	gettext("Failed to set fan speed, id = %s, errno = %d\n")
    119 #define	GET_ATTR_FRU_FAILED_MSG	gettext("Failed psvc_get_attr for FRU info\n")
    120 #define	NO_FRU_INFO_MSG			\
    121 	gettext("No FRU Information for %s using default module card\n")
    122 
    123 #define	DAKTARI_MAX_PS	3
    124 #define	DAK_MAX_PS_I_SENSORS 4
    125 #define	DAK_MAX_DISKS	12
    126 #define	DAK_MAX_CPU_MOD	4
    127 #define	DAK_MAX_FAULT_SENSORS 3
    128 #define	DAK_MAX_FANS 10
    129 
    130 static int co_ps = 0;
    131 static char *shutdown_string = "shutdown -y -g 60 -i 5 \"OVERTEMP condition\"";
    132 
    133 typedef struct i2c_hp {
    134 	int32_t		addr[2];
    135 	char		name[256];
    136 	char		compatible[256];
    137 } i2c_hp_t;
    138 
    139 typedef struct seg_desc {
    140 	int32_t segdesc;
    141 	int16_t segoffset;
    142 	int16_t seglength;
    143 } seg_desc_t;
    144 
    145 static int32_t threshold_names[] = {
    146 	PSVC_HW_LO_SHUT_ATTR,
    147 	PSVC_LO_SHUT_ATTR,
    148 	PSVC_LO_WARN_ATTR,
    149 	PSVC_NOT_USED,			/* LOW MODE which is not used */
    150 	PSVC_OPTIMAL_TEMP_ATTR,
    151 	PSVC_HI_WARN_ATTR,
    152 	PSVC_HI_SHUT_ATTR,
    153 	PSVC_HW_HI_SHUT_ATTR
    154 };
    155 
    156 /*
    157  * The I2C bus is noisy, and the state may be incorrectly reported as
    158  * having changed.  When the state changes, we attempt to confirm by
    159  * retrying.  If any retries indicate that the state has not changed, we
    160  * assume the state change(s) were incorrect and the state has not changed.
    161  * The following variables are used to store the tuneable values read in
    162  * from the optional i2cparam.conf file for this shared object library.
    163  */
    164 static int n_retry_pshp_status = PSVC_NUM_OF_RETRIES;
    165 static int retry_sleep_pshp_status = 1;
    166 static int n_read_overcurrent = PSVC_THRESHOLD_COUNTER;
    167 static int n_read_undercurrent = PSVC_THRESHOLD_COUNTER;
    168 static int n_retry_devicefail = PSVC_NUM_OF_RETRIES;
    169 static int retry_sleep_devicefail = 1;
    170 static int n_read_fanfault = PSVC_THRESHOLD_COUNTER;
    171 static int n_retry_pshp = PSVC_NUM_OF_RETRIES;
    172 static int retry_sleep_pshp = 1;
    173 static int n_retry_diskfault = PSVC_NUM_OF_RETRIES;
    174 static int retry_sleep_diskfault = 1;
    175 static int n_retry_temp_shutdown = PSVC_NUM_OF_RETRIES;
    176 static int retry_sleep_temp_shutdown = 1;
    177 
    178 typedef struct {
    179 	int *pvar;
    180 	char *texttag;
    181 } i2c_noise_param_t;
    182 
    183 static i2c_noise_param_t i2cparams[] = {
    184 	&n_retry_pshp_status, "n_retry_pshp_status",
    185 	&retry_sleep_pshp_status, "retry_sleep_pshp_status",
    186 	&n_read_overcurrent, "n_read_overcurrent",
    187 	&n_read_undercurrent, "n_read_undercurrent",
    188 	&n_retry_devicefail, "n_retry_devicefail",
    189 	&retry_sleep_devicefail, "retry_sleep_devicefail",
    190 	&n_read_fanfault, "n_read_fanfault",
    191 	&n_retry_pshp, "n_retry_pshp",
    192 	&retry_sleep_pshp, "retry_sleep_pshp",
    193 	&n_retry_diskfault, "n_retry_diskfault",
    194 	&retry_sleep_diskfault, "retry_sleep_diskfault",
    195 	&n_retry_temp_shutdown, "n_retry_temp_shutdown",
    196 	&retry_sleep_temp_shutdown, "retry_sleep_temp_shutdown",
    197 	NULL, NULL
    198 };
    199 
    200 #pragma init(i2cparams_load)
    201 
    202 static void
    203 i2cparams_debug(i2c_noise_param_t *pi2cparams, char *platform,
    204 	int usingDefaults)
    205 {
    206 	char s[128];
    207 	i2c_noise_param_t *p;
    208 
    209 	if (!usingDefaults) {
    210 		(void) snprintf(s, sizeof (s),
    211 		    "# Values from /usr/platform/%s/lib/i2cparam.conf\n",
    212 		    platform);
    213 		syslog(LOG_WARNING, "%s", s);
    214 	} else {
    215 		/* no file - we're using the defaults */
    216 		(void) snprintf(s, sizeof (s),
    217 "# No /usr/platform/%s/lib/i2cparam.conf file, using defaults\n",
    218 		    platform);
    219 	}
    220 	(void) fputs(s, stdout);
    221 	p = pi2cparams;
    222 	while (p->pvar != NULL) {
    223 		(void) snprintf(s, sizeof (s), "%s %d\n", p->texttag,
    224 		    *(p->pvar));
    225 		if (!usingDefaults)
    226 			syslog(LOG_WARNING, "%s", s);
    227 		(void) fputs(s, stdout);
    228 		p++;
    229 	}
    230 }
    231 
    232 static void
    233 i2cparams_load(void)
    234 {
    235 	FILE *fp;
    236 	char filename[PATH_MAX];
    237 	char platform[64];
    238 	char s[128];
    239 	char var[128];
    240 	int val;
    241 	i2c_noise_param_t *p;
    242 
    243 	if (sysinfo(SI_PLATFORM, platform, sizeof (platform)) == -1) {
    244 		syslog(LOG_ERR, "sysinfo error %s\n", strerror(errno));
    245 		return;
    246 	}
    247 	(void) snprintf(filename, sizeof (filename),
    248 	    "/usr/platform/%s/lib/i2cparam.conf", platform);
    249 	/* read thru the i2cparam.conf file and set variables */
    250 	if ((fp = fopen(filename, "r")) != NULL) {
    251 		while (fgets(s, sizeof (s), fp) != NULL) {
    252 			if (s[0] == '#') /* skip comment lines */
    253 				continue;
    254 			/* try to find a string match and get the value */
    255 			if (sscanf(s, "%127s %d", var, &val) != 2)
    256 				continue;
    257 			if (val < 1)
    258 				val = 1;  /* clamp min value */
    259 			p = &(i2cparams[0]);
    260 			while (p->pvar != NULL) {
    261 				if (strncmp(p->texttag, var, sizeof (var)) ==
    262 				    0) {
    263 					*(p->pvar) = val;
    264 					break;
    265 				}
    266 				p++;
    267 			}
    268 		}
    269 		(void) fclose(fp);
    270 	}
    271 	/* output the values of the parameters */
    272 	i2cparams_debug(&(i2cparams[0]), platform, ((fp == NULL)? 1 : 0));
    273 }
    274 
    275 int32_t
    276 psvc_MB_update_thresholds_0(psvc_opaque_t hdlp, char *id, int offset)
    277 {
    278 	int IO_offset = 0xd;
    279 	int32_t err;
    280 
    281 	err = update_thresholds(hdlp, id, IO_offset);
    282 
    283 	return (err);
    284 }
    285 
    286 int32_t
    287 psvc_IO_update_thresholds_0(psvc_opaque_t hdlp, char *id, int offset)
    288 {
    289 	int IO_offset = 0x8;
    290 	int32_t err;
    291 
    292 	err = update_thresholds(hdlp, id, IO_offset);
    293 
    294 	return (err);
    295 }
    296 
    297 int32_t
    298 psvc_DBP_update_thresholds_0(psvc_opaque_t hdlp, char *id, int offset)
    299 {
    300 	int IO_offset = 0x7;
    301 	int32_t err;
    302 
    303 	err = update_thresholds(hdlp, id, IO_offset);
    304 
    305 	return (err);
    306 }
    307 
    308 /*
    309  * used to determine if a change of state occured. valid when states
    310  * are strings.
    311  */
    312 static int8_t
    313 change_of_state_str(char *state1, char *check1, char *state2, char *check2)
    314 {
    315 	int change = 0;
    316 
    317 	if ((strcmp(state1, check1) == 0) && (strcmp(state2, check2) != 0))
    318 		change = 1;
    319 	if ((strcmp(state1, check1) != 0) && (strcmp(state2, check2) == 0))
    320 		change = 1;
    321 
    322 	return (change);
    323 }
    324 
    325 /*
    326  * Update thresholds tries to read the temperature thresholds from the FRU
    327  * SEEproms and then updates the thresholds in the object by overriding the
    328  * hardcoded thresholds.  For Daktari it is an Error if the FRU does not
    329  * contain the segment that had the temperature thresholds.
    330  */
    331 static int32_t
    332 update_thresholds(psvc_opaque_t hdlp, char *id, int offset)
    333 {
    334 	int32_t status = PSVC_SUCCESS;
    335 	fru_info_t fru_data;
    336 	char *fru, seg_name[2];
    337 	int8_t seg_count, temp_array[8];
    338 	int32_t match_count, i, j, seg_desc_start = 0x1806, temp_address;
    339 	int32_t seg_found, temp;
    340 	boolean_t present;
    341 	seg_desc_t segment;
    342 
    343 	status = psvc_get_attr(hdlp, id, PSVC_PRESENCE_ATTR, &present);
    344 	if ((status != PSVC_SUCCESS) || (present != PSVC_PRESENT))
    345 		return (status);
    346 
    347 	status = psvc_get_attr(hdlp, id, PSVC_ASSOC_MATCHES_ATTR, &match_count,
    348 	    PSVC_FRU);
    349 	if (status == PSVC_FAILURE)
    350 		return (status);
    351 
    352 	for (i = 0; i < match_count; i++) {
    353 		seg_found = 0;
    354 		status = psvc_get_attr(hdlp, id, PSVC_ASSOC_ID_ATTR,
    355 		    &fru, PSVC_FRU, i);
    356 		if (status != PSVC_SUCCESS)
    357 			return (status);
    358 
    359 		fru_data.buf_start = 0x1805;
    360 		fru_data.buf = (char *)&seg_count;
    361 		fru_data.read_size = 1;
    362 
    363 		status = psvc_get_attr(hdlp, fru, PSVC_FRU_INFO_ATTR,
    364 		    &fru_data);
    365 		if (status != PSVC_SUCCESS) {
    366 			return (status);
    367 		}
    368 		for (j = 0; (j < seg_count) && (!seg_found); j++) {
    369 			fru_data.buf_start = seg_desc_start;
    370 			fru_data.buf = seg_name;
    371 			fru_data.read_size = 2;
    372 
    373 			status = psvc_get_attr(hdlp, fru, PSVC_FRU_INFO_ATTR,
    374 			    &fru_data);
    375 
    376 			seg_desc_start = seg_desc_start + 2;
    377 			fru_data.buf_start = seg_desc_start;
    378 			fru_data.buf = (char *)&segment;
    379 			fru_data.read_size = sizeof (seg_desc_t);
    380 
    381 			status = psvc_get_attr(hdlp, fru, PSVC_FRU_INFO_ATTR,
    382 			    &fru_data);
    383 			if (status != PSVC_SUCCESS) {
    384 				syslog(LOG_ERR,
    385 				    "Failed psvc_get_attr for FRU info\n");
    386 				return (status);
    387 			}
    388 			seg_desc_start = seg_desc_start + sizeof (seg_desc_t);
    389 			if (memcmp(seg_name, "SC", 2) == 0)
    390 				seg_found = 1;
    391 		}
    392 		if (seg_found) {
    393 			temp_address = segment.segoffset + offset;
    394 			fru_data.buf_start = temp_address;
    395 			fru_data.buf = (char *)&temp_array;
    396 			fru_data.read_size = sizeof (temp_array);
    397 			status = psvc_get_attr(hdlp, fru, PSVC_FRU_INFO_ATTR,
    398 			    &fru_data);
    399 			if (status != PSVC_SUCCESS) {
    400 				syslog(LOG_ERR,
    401 				    "Failed psvc_get_attr for FRU info\n");
    402 				return (status);
    403 			} else {
    404 				for (j = 0; j < sizeof (temp_array); j++) {
    405 					if (threshold_names[j] ==
    406 					    PSVC_NOT_USED)
    407 						continue;
    408 					temp = temp_array[j];
    409 					status = psvc_set_attr(hdlp, id,
    410 					    threshold_names[j], &temp);
    411 					if (status != PSVC_SUCCESS) {
    412 						return (status);
    413 					}
    414 				}
    415 			}
    416 		} else {
    417 			syslog(LOG_ERR, "No FRU Information for %s"
    418 			    " using default temperatures\n", id);
    419 		}
    420 	}
    421 	return (status);
    422 }
    423 
    424 int32_t
    425 psvc_fan_init_speed_0(psvc_opaque_t hdlp, char *id)
    426 {
    427 	int32_t status = PSVC_SUCCESS;
    428 	boolean_t present;
    429 	char *control_id;
    430 	int32_t init_speed = 0;
    431 
    432 	status = psvc_get_attr(hdlp, id, PSVC_PRESENCE_ATTR, &present);
    433 	if ((status != PSVC_SUCCESS) || (present != PSVC_PRESENT))
    434 		return (status);
    435 
    436 	status = psvc_get_attr(hdlp, id, PSVC_ASSOC_ID_ATTR, &control_id,
    437 	    PSVC_FAN_DRIVE_CONTROL, 0);
    438 	if (status != PSVC_SUCCESS)
    439 		return (status);
    440 
    441 	status = psvc_set_attr(hdlp, control_id, PSVC_CONTROL_VALUE_ATTR,
    442 	    &init_speed);
    443 	if (status == PSVC_FAILURE) {
    444 		syslog(LOG_ERR, SET_FANSPEED_FAILED_MSG, control_id, errno);
    445 		return (status);
    446 	}
    447 
    448 	return (status);
    449 }
    450 
    451 int32_t
    452 psvc_update_setpoint_0(psvc_opaque_t hdlp, char *id)
    453 {
    454 	int32_t status = PSVC_SUCCESS;
    455 	char *temp_sensor;
    456 	int32_t match_count, i, temp;
    457 	int16_t lowest_temp = 500;
    458 	boolean_t present;
    459 
    460 	status = psvc_get_attr(hdlp, id, PSVC_PRESENCE_ATTR, &present);
    461 	if ((status != PSVC_SUCCESS) || (present != PSVC_PRESENT))
    462 		return (status);
    463 
    464 	status = psvc_get_attr(hdlp, id, PSVC_ASSOC_MATCHES_ATTR, &match_count,
    465 	    PSVC_DEV_TEMP_SENSOR);
    466 	if (status == PSVC_FAILURE)
    467 		return (status);
    468 
    469 	for (i = 0; i < match_count; i++) {
    470 		status = psvc_get_attr(hdlp, id, PSVC_ASSOC_ID_ATTR,
    471 		    &temp_sensor, PSVC_DEV_TEMP_SENSOR, i);
    472 		if (status != PSVC_SUCCESS)
    473 			return (status);
    474 		status = psvc_get_attr(hdlp, temp_sensor,
    475 		    PSVC_OPTIMAL_TEMP_ATTR, &temp);
    476 		if (status != PSVC_SUCCESS) {
    477 			syslog(LOG_ERR, "Failed to get Optimal temp for %s\n",
    478 			    temp_sensor);
    479 			return (status);
    480 		}
    481 		if (temp < lowest_temp)
    482 			lowest_temp = temp;
    483 	}
    484 	status = psvc_set_attr(hdlp, id, PSVC_SETPOINT_ATTR, &lowest_temp);
    485 	if (status == PSVC_FAILURE) {
    486 		syslog(LOG_ERR, "Failed to change setpoint for %s\n", id);
    487 		return (status);
    488 	}
    489 	return (status);
    490 }
    491 
    492 int32_t
    493 psvc_remove_missing_nodes_0(psvc_opaque_t hdlp, char *id)
    494 {
    495 	int32_t status = PSVC_SUCCESS;
    496 	char state[32];
    497 	char *physical_dev;
    498 	int32_t i, device_count;
    499 	char parent_path[256];
    500 	picl_nodehdl_t child_node;
    501 	boolean_t present;
    502 
    503 	status = psvc_get_attr(hdlp, id, PSVC_ASSOC_MATCHES_ATTR,
    504 	    &device_count, PSVC_PHYSICAL_DEVICE);
    505 	if (status == PSVC_FAILURE)
    506 		return (status);
    507 
    508 	for (i = 0; i < device_count; i++) {
    509 		status = psvc_get_attr(hdlp, id, PSVC_ASSOC_ID_ATTR,
    510 		    &physical_dev, PSVC_PHYSICAL_DEVICE, i);
    511 		if (status != PSVC_SUCCESS)
    512 			return (status);
    513 		if (strncmp(physical_dev, "LTC1427", 7) == 0)
    514 			continue;
    515 		status = psvc_get_attr(hdlp, physical_dev,
    516 		    PSVC_PROBE_RESULT_ATTR, state);
    517 		if (status != PSVC_SUCCESS)
    518 			continue;
    519 		status = psvc_get_attr(hdlp, physical_dev, PSVC_PRESENCE_ATTR,
    520 		    &present);
    521 		if (status == PSVC_FAILURE) {
    522 			syslog(LOG_ERR, GET_PRESENCE_FAILED_MSG, physical_dev,
    523 			    errno);
    524 			return (status);
    525 		}
    526 
    527 		if ((strcmp(state, PSVC_ERROR) == 0) &&
    528 		    (present == PSVC_PRESENT)) {
    529 			/* convert name to node, and parent path */
    530 			psvcplugin_lookup(physical_dev, parent_path,
    531 			    &child_node);
    532 			/* Device removed */
    533 			ptree_delete_node(child_node);
    534 		}
    535 	}
    536 	return (status);
    537 }
    538 
    539 int32_t
    540 psvc_check_ps_hotplug_status_0(psvc_opaque_t hdlp, char *id)
    541 {
    542 	char		fail_valid_switch_id[PICL_PROPNAMELEN_MAX];
    543 	int32_t		status = PSVC_SUCCESS;
    544 	char		valid_switch_state[32];
    545 	char		state[32], fault[32];
    546 	int32_t		led_count, j;
    547 	char		*led_id;
    548 	char		led_state[32];
    549 	boolean_t	present;
    550 	static int8_t	hotplug_failed_count = 0;
    551 	static int	unplugged_ps = 0;
    552 	int	retry;
    553 	char		*unplugged_id;
    554 
    555 	status = psvc_get_attr(hdlp, id, PSVC_PRESENCE_ATTR, &present);
    556 	if (status == PSVC_FAILURE) {
    557 		syslog(LOG_ERR, GET_PRESENCE_FAILED_MSG, id, errno);
    558 		return (status);
    559 	}
    560 
    561 	if (present == PSVC_ABSENT) {
    562 		errno = ENODEV;
    563 		return (PSVC_FAILURE);
    564 	}
    565 
    566 	snprintf(fail_valid_switch_id, sizeof (fail_valid_switch_id), "%s%s",
    567 	    id, "_SENSOR_VALID_SWITCH");
    568 
    569 	retry = 0;
    570 	do {
    571 		if (retry)
    572 			(void) sleep(retry_sleep_pshp_status);
    573 		status = psvc_get_attr(hdlp, fail_valid_switch_id,
    574 		    PSVC_STATE_ATTR, valid_switch_state);
    575 		if (status == PSVC_FAILURE) {
    576 			if (hotplug_failed_count == 0) {
    577 				/*
    578 				 * First time the get_attr call failed
    579 				 * set count so that if we fail again
    580 				 * we will know
    581 				 */
    582 				hotplug_failed_count = 1;
    583 				/*
    584 				 * We probably failed because the power
    585 				 * supply was just insterted or removed
    586 				 * before the get_attr call. We then
    587 				 * return from this policy successfully
    588 				 * knowing it will be run again shortly
    589 				 * with the right PS state.
    590 				 */
    591 				return (PSVC_SUCCESS);
    592 			} else {
    593 				/*
    594 				 * We have failed before and so this
    595 				 * we will consider a hardware problem
    596 				 * and it should be reported
    597 				 */
    598 				syslog(LOG_ERR,
    599 				    "Failed getting %s State: ",
    600 				    "ps_hotplug_status_0\n",
    601 				    fail_valid_switch_id);
    602 				return (status);
    603 			}
    604 		}
    605 		/*
    606 		 * Because we have successfully gotten a value from
    607 		 * the i2c device on the PS we will set the
    608 		 * failed_count to 0
    609 		 */
    610 		hotplug_failed_count = 0;
    611 
    612 		status = psvc_get_attr(hdlp, id, PSVC_STATE_ATTR, state);
    613 		if (status == PSVC_FAILURE)
    614 			return (status);
    615 		retry++;
    616 		/*
    617 		 * check to see if we need to retry. the conditions are:
    618 		 *
    619 		 * valid_switch_state	state			retry
    620 		 * --------------------------------------------------
    621 		 *	PSVC_OFF	!PSVC_HOTPLUGGED	yes
    622 		 *	PSVC_ON		PSVC_HOTPLUGGED		yes
    623 		 *	PSVC_OFF	PSVC_HOTPLUGGED		no
    624 		 *	PSVC_ON		!PSVC_HOTPLUGGED	no
    625 		 */
    626 	} while ((retry < n_retry_pshp_status) &&
    627 	    change_of_state_str(valid_switch_state, PSVC_OFF,
    628 	    state, PSVC_HOTPLUGGED));
    629 
    630 	if ((strcmp(valid_switch_state, PSVC_OFF) == 0) &&
    631 	    (strcmp(state, PSVC_HOTPLUGGED) != 0)) {
    632 		strcpy(state, PSVC_HOTPLUGGED);
    633 		strcpy(fault, PSVC_NO_FAULT);
    634 		strcpy(led_state, PSVC_LED_OFF);
    635 		status = psvc_set_attr(hdlp, id, PSVC_STATE_ATTR,
    636 		    state);
    637 		if (status == PSVC_FAILURE)
    638 			return (status);
    639 		status = psvc_get_attr(hdlp, id, PSVC_ASSOC_MATCHES_ATTR,
    640 		    &led_count, PSVC_DEV_FAULT_LED);
    641 		if (status == PSVC_FAILURE)
    642 			return (status);
    643 
    644 		for (j = 0; j < led_count; j++) {
    645 
    646 			status = psvc_get_attr(hdlp, id, PSVC_ASSOC_ID_ATTR,
    647 			    &led_id, PSVC_DEV_FAULT_LED, j);
    648 			if (status != PSVC_SUCCESS)
    649 				return (status);
    650 
    651 			status = psvc_set_attr(hdlp, led_id,
    652 			    PSVC_LED_STATE_ATTR, led_state);
    653 			if (status != PSVC_SUCCESS) {
    654 				syslog(LOG_ERR, SET_LED_FAILED_MSG, led_id,
    655 				    errno);
    656 				return (status);
    657 			}
    658 
    659 		}
    660 		strcpy(led_state, PSVC_LED_ON);
    661 		status = psvc_set_attr(hdlp, "FSP_POWER_FAULT_LED",
    662 		    PSVC_LED_STATE_ATTR, led_state);
    663 		if (status != PSVC_SUCCESS) {
    664 			syslog(LOG_ERR, SET_LED_FAILED_MSG, led_id, errno);
    665 			return (status);
    666 		}
    667 		unplugged_id = id + 2;
    668 		unplugged_ps = unplugged_ps | (1 << (int)strtol(unplugged_id,
    669 		    (char **)NULL, 10));
    670 		status = update_gen_fault_led(hdlp, GEN_FAULT_LED);
    671 		syslog(LOG_ERR, PS_UNPLUGGED_MSG, id);
    672 		return (status);
    673 	}
    674 
    675 	if ((strcmp(valid_switch_state, PSVC_ON) == 0) &&
    676 	    (strcmp(state, PSVC_HOTPLUGGED) == 0)) {
    677 		strcpy(state, PSVC_OK);
    678 		strcpy(fault, PSVC_NO_FAULT);
    679 		status = psvc_set_attr(hdlp, id, PSVC_STATE_ATTR, state);
    680 		if (status == PSVC_FAILURE)
    681 			return (status);
    682 		unplugged_id = id + 2;
    683 		unplugged_ps = unplugged_ps ^ (1 << (int)strtol(unplugged_id,
    684 		    (char **)NULL, 10));
    685 		if (unplugged_ps == 0) {
    686 			strcpy(led_state, PSVC_LED_OFF);
    687 			status = psvc_set_attr(hdlp, "FSP_POWER_FAULT_LED",
    688 			    PSVC_LED_STATE_ATTR, led_state);
    689 			if (status != PSVC_SUCCESS) {
    690 				syslog(LOG_ERR, SET_LED_FAILED_MSG, led_id,
    691 				    errno);
    692 				return (status);
    693 			}
    694 			status = update_gen_fault_led(hdlp, GEN_FAULT_LED);
    695 		}
    696 		syslog(LOG_ERR, PS_PLUGGED_MSG, id);
    697 	}
    698 
    699 	return (status);
    700 }
    701 
    702 int32_t
    703 psvc_ps_overcurrent_check_policy_0(psvc_opaque_t hdlp, char *system)
    704 {
    705 	int32_t status = PSVC_SUCCESS;
    706 	boolean_t present;
    707 	static char *sensor_id[DAKTARI_MAX_PS][DAK_MAX_PS_I_SENSORS];
    708 	static char *power_supply_id[DAKTARI_MAX_PS] = {NULL};
    709 	int32_t i, j;
    710 	int32_t amps, oc_flag = 0, ps_present = 0;
    711 	static int32_t hi_warn[DAKTARI_MAX_PS][DAK_MAX_PS_I_SENSORS];
    712 	char state[32];
    713 	static int8_t overcurrent_failed_check = 0;
    714 	static int threshold_counter = 0;
    715 
    716 	if (power_supply_id[0] == NULL) {
    717 		for (i = 0; i < DAKTARI_MAX_PS; i++) {
    718 			status = psvc_get_attr(hdlp, system,
    719 			    PSVC_ASSOC_ID_ATTR, &(power_supply_id[i]),
    720 			    PSVC_PS, i);
    721 			if (status != PSVC_SUCCESS)
    722 				return (status);
    723 			for (j = 0; j < DAK_MAX_PS_I_SENSORS; ++j) {
    724 				status = psvc_get_attr(hdlp,
    725 				    power_supply_id[i], PSVC_ASSOC_ID_ATTR,
    726 				    &(sensor_id[i][j]), PSVC_PS_I_SENSOR, j);
    727 				if (status != PSVC_SUCCESS)
    728 					return (status);
    729 				status = psvc_get_attr(hdlp, sensor_id[i][j],
    730 				    PSVC_HI_WARN_ATTR, &(hi_warn[i][j]));
    731 				if (status != PSVC_SUCCESS)
    732 					return (status);
    733 			}
    734 		}
    735 	}
    736 
    737 	for (i = 0; i < DAKTARI_MAX_PS; i++) {
    738 		status = psvc_get_attr(hdlp, power_supply_id[i],
    739 		    PSVC_PRESENCE_ATTR, &present);
    740 		if (status == PSVC_FAILURE) {
    741 			syslog(LOG_ERR, GET_PRESENCE_FAILED_MSG,
    742 			    power_supply_id[i], errno);
    743 			return (status);
    744 		}
    745 
    746 		if (present == PSVC_ABSENT) {
    747 			continue;
    748 		}
    749 
    750 		status = psvc_check_ps_hotplug_status_0(hdlp,
    751 		    power_supply_id[i]);
    752 		if (status == PSVC_FAILURE)
    753 			return (status);
    754 
    755 		status = psvc_get_attr(hdlp, power_supply_id[i],
    756 		    PSVC_STATE_ATTR, state);
    757 		if (status == PSVC_FAILURE)
    758 			return (status);
    759 
    760 		if (strcmp(state, PSVC_HOTPLUGGED) == 0) {
    761 			continue;
    762 		} else {
    763 			ps_present++;
    764 		}
    765 
    766 		for (j = 0; j < DAK_MAX_PS_I_SENSORS; ++j) {
    767 			status = psvc_get_attr(hdlp, sensor_id[i][j],
    768 			    PSVC_SENSOR_VALUE_ATTR, &amps);
    769 			if (status != PSVC_SUCCESS) {
    770 				if (overcurrent_failed_check == 0) {
    771 					/*
    772 					 * First time the get_attr call
    773 					 * failed  set count so that if we
    774 					 * fail again we will know
    775 					 */
    776 					overcurrent_failed_check = 1;
    777 					/*
    778 					 * We probably failed because the power
    779 					 * supply was just insterted or removed
    780 					 * before the get_attr call. We then
    781 					 * return from this policy successfully
    782 					 * knowing it will be run again shortly
    783 					 * with the right PS state.
    784 					 */
    785 					return (PSVC_SUCCESS);
    786 				} else {
    787 					/*
    788 					 * We have failed before and so this we
    789 					 * will consider a hardware problem and
    790 					 * it should be reported.
    791 					 */
    792 					syslog(LOG_ERR,
    793 					    "Failed getting %s sensor value",
    794 					    sensor_id[i][j]);
    795 					return (status);
    796 				}
    797 			}
    798 			/*
    799 			 * Because we have successfully gotten a value from the
    800 			 * i2c device on the PS we will set the failed_count
    801 			 * to 0.
    802 			 */
    803 			overcurrent_failed_check = 0;
    804 
    805 			if (amps >= hi_warn[i][j]) {
    806 				oc_flag = 1;
    807 			}
    808 		}
    809 	}
    810 
    811 	if (oc_flag) {
    812 		/*
    813 		 * Because we observed an overcurrent
    814 		 * condition, we increment threshold_counter.
    815 		 * Once threshold_counter reaches the value
    816 		 * of n_read_overcurrent we log the event.
    817 		 */
    818 		threshold_counter++;
    819 		if (threshold_counter == n_read_overcurrent) {
    820 			threshold_counter = 0;
    821 			if (ps_present == 1) {
    822 				syslog(LOG_ERR, PS_OVER_CURRENT_MSG);
    823 				syslog(LOG_ERR, ADD_PS_MSG);
    824 			} else {
    825 				syslog(LOG_ERR, PS_OVER_CURRENT_MSG);
    826 				syslog(LOG_ERR, REMOVE_LOAD_MSG);
    827 			}
    828 		}
    829 	} else {
    830 		threshold_counter = 0;
    831 	}
    832 
    833 	return (PSVC_SUCCESS);
    834 }
    835 
    836 int32_t
    837 psvc_ps_undercurrent_check(psvc_opaque_t hdlp, char *id, int32_t *uc_flag)
    838 {
    839 	int32_t status = PSVC_SUCCESS;
    840 	boolean_t present;
    841 	static char *sensor_id[DAK_MAX_PS_I_SENSORS];
    842 	int32_t j;
    843 	int32_t amps;
    844 	static int32_t lo_warn[DAK_MAX_PS_I_SENSORS];
    845 	static int8_t undercurrent_failed_check = 0;
    846 
    847 	status = psvc_get_attr(hdlp, id, PSVC_PRESENCE_ATTR, &present);
    848 	if (status == PSVC_FAILURE) {
    849 		syslog(LOG_ERR, GET_PRESENCE_FAILED_MSG, id, errno);
    850 		return (status);
    851 	}
    852 
    853 	if (present == PSVC_ABSENT) {
    854 		errno = ENODEV;
    855 		return (PSVC_FAILURE);
    856 	}
    857 
    858 	for (j = 0; j < DAK_MAX_PS_I_SENSORS; ++j) {
    859 		status = psvc_get_attr(hdlp, id, PSVC_ASSOC_ID_ATTR,
    860 		    &(sensor_id[j]), PSVC_PS_I_SENSOR, j);
    861 		if (status != PSVC_SUCCESS)
    862 			return (status);
    863 		status = psvc_get_attr(hdlp, sensor_id[j],
    864 		    PSVC_LO_WARN_ATTR, &(lo_warn[j]));
    865 		if (status != PSVC_SUCCESS)
    866 			return (status);
    867 	}
    868 
    869 	*uc_flag = 0;
    870 	for (j = 0; j < DAK_MAX_PS_I_SENSORS; ++j) {
    871 		status = psvc_get_attr(hdlp, sensor_id[j],
    872 		    PSVC_SENSOR_VALUE_ATTR, &amps);
    873 		if (status != PSVC_SUCCESS) {
    874 			if (undercurrent_failed_check == 0) {
    875 				/*
    876 				 * First time the get_attr call
    877 				 * failed  set count so that if we
    878 				 * fail again we will know.
    879 				 */
    880 				undercurrent_failed_check = 1;
    881 				/*
    882 				 * We probably failed because the power
    883 				 * supply was just inserted or removed
    884 				 * before the get_attr call. We then
    885 				 * return from this policy successfully
    886 				 * knowing it will be run again shortly
    887 				 * with the right PS state.
    888 				 */
    889 				return (PSVC_SUCCESS);
    890 			} else {
    891 				/*
    892 				 * Repeated failures are logged.
    893 				 */
    894 				syslog(LOG_ERR,
    895 				    "Failed getting %s sensor value",
    896 				    sensor_id[j]);
    897 				return (status);
    898 			}
    899 		}
    900 		/*
    901 		 * Because we have successfully gotten a value from the
    902 		 * i2c device on the PS we will set the failed_count
    903 		 * to 0.
    904 		 */
    905 		undercurrent_failed_check = 0;
    906 
    907 		if (amps <= lo_warn[j]) {
    908 			*uc_flag = 1;
    909 			return (PSVC_SUCCESS);
    910 		}
    911 	}
    912 
    913 	return (PSVC_SUCCESS);
    914 }
    915 
    916 int32_t
    917 psvc_ps_device_fail_notifier_policy_0(psvc_opaque_t hdlp, char *system)
    918 {
    919 	static char *ps_id[DAKTARI_MAX_PS] = {NULL};
    920 	static char *sensor_id[DAKTARI_MAX_PS][DAK_MAX_FAULT_SENSORS];
    921 	char *led_id = "FSP_POWER_FAULT_LED";
    922 	int i, j, uc_flag;
    923 	char state[32], fault[32], previous_state[32], past_state[32];
    924 	char led_state[32];
    925 	char bad_sensors[DAK_MAX_FAULT_SENSORS][256];
    926 	static int threshold_counter[DAKTARI_MAX_PS];
    927 	int32_t status = PSVC_SUCCESS;
    928 	boolean_t present;
    929 	int fail_state;
    930 	static int8_t device_fail_failed_check = 0;
    931 	int retry, should_retry;
    932 
    933 	if (ps_id[0] == NULL) {
    934 		for (i = 0; i < DAKTARI_MAX_PS; i++) {
    935 			status = psvc_get_attr(hdlp, system,
    936 			    PSVC_ASSOC_ID_ATTR, &(ps_id[i]), PSVC_PS, i);
    937 			if (status != PSVC_SUCCESS)
    938 				return (status);
    939 			for (j = 0; j < DAK_MAX_FAULT_SENSORS; j++) {
    940 				status = psvc_get_attr(hdlp, ps_id[i],
    941 				    PSVC_ASSOC_ID_ATTR, &(sensor_id[i][j]),
    942 				    PSVC_DEV_FAULT_SENSOR, j);
    943 				if (status != PSVC_SUCCESS)
    944 					return (status);
    945 			}
    946 		}
    947 	}
    948 
    949 	for (i = 0; i < DAKTARI_MAX_PS; i++) {
    950 		fail_state = 0;
    951 		status = psvc_get_attr(hdlp, ps_id[i], PSVC_PRESENCE_ATTR,
    952 		    &present);
    953 		if (status == PSVC_FAILURE)
    954 			return (status);
    955 
    956 		if (present == PSVC_ABSENT) {
    957 			errno = ENODEV;
    958 			return (PSVC_FAILURE);
    959 		}
    960 
    961 		status = psvc_check_ps_hotplug_status_0(hdlp, ps_id[i]);
    962 		if (status == PSVC_FAILURE)
    963 			return (status);
    964 
    965 		status = psvc_get_attr(hdlp, ps_id[i], PSVC_STATE_ATTR,
    966 		    past_state);
    967 		if (status == PSVC_FAILURE)
    968 			return (status);
    969 
    970 		if (strcmp(past_state, PSVC_HOTPLUGGED) == 0) {
    971 			return (PICL_SUCCESS);
    972 		}
    973 
    974 		retry = 0;
    975 		do {
    976 			if (retry)
    977 				(void) sleep(retry_sleep_devicefail);
    978 			fail_state = 0;
    979 			should_retry = 0;
    980 			for (j = 0; j < DAK_MAX_FAULT_SENSORS; ++j) {
    981 				status = psvc_get_attr(hdlp, sensor_id[i][j],
    982 				    PSVC_SWITCH_STATE_ATTR, state);
    983 				if (status != PSVC_SUCCESS) {
    984 					if (device_fail_failed_check == 0) {
    985 						/*
    986 						 * First time the get_attr call
    987 						 * failed  set count so that
    988 						 * if we fail again we will know
    989 						 */
    990 						device_fail_failed_check = 1;
    991 						/*
    992 						 * We probably failed because
    993 						 * the power supply was just
    994 						 * insterted or removed before
    995 						 * the get_attr call. We then
    996 						 * return from this policy
    997 						 * successfully knowing it will
    998 						 * be run again shortly
    999 						 * with the right PS state.
   1000 						 */
   1001 						return (PSVC_SUCCESS);
   1002 					} else {
   1003 						/*
   1004 						 * We have failed before and
   1005 						 * so this we will consider a
   1006 						 * hardware problem and
   1007 						 * it should be reported.
   1008 						 */
   1009 						syslog(LOG_ERR, "Failed in "
   1010 						    "getting sensor state for "
   1011 						    "%s\n", sensor_id[i][j]);
   1012 
   1013 						return (status);
   1014 					}
   1015 				}
   1016 
   1017 				/*
   1018 				 * Because we have successfully gotten
   1019 				 * a value from the i2c device on the
   1020 				 * PS we will set the failed_count to 0.
   1021 				 */
   1022 				device_fail_failed_check = 0;
   1023 
   1024 				/*
   1025 				 * If we find that the sensor is on we
   1026 				 * fill in the name of the sensor in
   1027 				 * the bad_sensor array. If the sensor
   1028 				 * is off we use EMPTY_STRING as a check
   1029 				 * later on as to when NOT to print out
   1030 				 * what is in bad_sensor[].
   1031 				 */
   1032 				if (strcmp(state, PSVC_SWITCH_ON) == 0) {
   1033 					fail_state++;
   1034 					strlcpy(bad_sensors[j], sensor_id[i][j],
   1035 					    sizeof (bad_sensors[j]));
   1036 				} else {
   1037 					strcpy(bad_sensors[j], EMPTY_STRING);
   1038 				}
   1039 			}
   1040 			retry++;
   1041 			/*
   1042 			 * check to see if we need to retry. the conditions are:
   1043 			 *
   1044 			 * fail_state		past_state		retry
   1045 			 * --------------------------------------------------
   1046 			 *	+		PSVC_OK			yes
   1047 			 *	0		PSVC_ERROR		yes
   1048 			 *	+		PSVC_ERROR		no
   1049 			 *	0		PSVC_OK			no
   1050 			 */
   1051 			if ((fail_state > 0) &&
   1052 			    (strcmp(past_state, PSVC_OK) == 0)) {
   1053 				should_retry = 1;
   1054 			} else if ((fail_state == 0) &&
   1055 			    (strcmp(past_state, PSVC_ERROR) == 0)) {
   1056 				should_retry = 1;
   1057 			}
   1058 		} while ((retry < n_retry_devicefail) && should_retry);
   1059 
   1060 		/* Under current check */
   1061 		status = psvc_ps_undercurrent_check(hdlp, ps_id[i], &uc_flag);
   1062 
   1063 		if (status != PSVC_FAILURE) {
   1064 			if (uc_flag) {
   1065 				/*
   1066 				 * Because we observed an undercurrent
   1067 				 * condition, we increment threshold counter.
   1068 				 * Once threshold counter reaches the value
   1069 				 * of n_read_undercurrent we log the event.
   1070 				 */
   1071 				threshold_counter[i]++;
   1072 				if (threshold_counter[i] >=
   1073 				    n_read_undercurrent) {
   1074 					fail_state++;
   1075 					syslog(LOG_ERR, PS_UNDER_CURRENT_MSG,
   1076 					    i);
   1077 				}
   1078 			} else {
   1079 				threshold_counter[i] = 0;
   1080 			}
   1081 		}
   1082 
   1083 		if (fail_state != 0) {
   1084 			strcpy(state, PSVC_ERROR);
   1085 			strcpy(fault, PSVC_GEN_FAULT);
   1086 		} else {
   1087 			strcpy(state, PSVC_OK);
   1088 			strcpy(fault, PSVC_NO_FAULT);
   1089 		}
   1090 
   1091 		status = psvc_set_attr(hdlp, ps_id[i], PSVC_STATE_ATTR, state);
   1092 		if (status != PSVC_SUCCESS)
   1093 			return (status);
   1094 
   1095 		status = psvc_set_attr(hdlp, ps_id[i], PSVC_FAULTID_ATTR,
   1096 		    fault);
   1097 		if (status != PSVC_SUCCESS)
   1098 			return (status);
   1099 
   1100 		status = psvc_get_attr(hdlp, ps_id[i], PSVC_PREV_STATE_ATTR,
   1101 		    previous_state);
   1102 		if (status != PSVC_SUCCESS)
   1103 			return (status);
   1104 
   1105 		if (strcmp(state, previous_state) != 0) {
   1106 			char dev_label[32];
   1107 
   1108 			psvc_get_attr(hdlp, ps_id[i], PSVC_LABEL_ATTR,
   1109 			    dev_label);
   1110 
   1111 			if (strcmp(state, PSVC_ERROR) == 0) {
   1112 				syslog(LOG_ERR, DEVICE_FAILURE_MSG, dev_label);
   1113 				for (j = 0; j < DAK_MAX_FAULT_SENSORS; ++j) {
   1114 					if (strcmp(bad_sensors[j],
   1115 					    EMPTY_STRING) != 0)
   1116 						syslog(LOG_ERR, "%s\n",
   1117 						    bad_sensors[j]);
   1118 				}
   1119 				strcpy(led_state, PSVC_LED_ON);
   1120 			} else {
   1121 				syslog(LOG_ERR, DEVICE_OK_MSG, dev_label);
   1122 				strcpy(led_state, PSVC_LED_OFF);
   1123 			}
   1124 
   1125 			status = psvc_set_attr(hdlp, led_id,
   1126 			    PSVC_LED_STATE_ATTR, led_state);
   1127 			if (status != PSVC_SUCCESS) {
   1128 				syslog(LOG_ERR, SET_LED_FAILED_MSG, led_id,
   1129 				    errno);
   1130 				return (status);
   1131 			}
   1132 		}
   1133 	}
   1134 
   1135 	return (PSVC_SUCCESS);
   1136 }
   1137 
   1138 int32_t
   1139 psvc_ps_check_and_disable_dr_policy_0(psvc_opaque_t hdlp, char *id)
   1140 {
   1141 	char		state[32];
   1142 	static char	*name[DAKTARI_MAX_PS] = {NULL};
   1143 	int		ps_cnt = 0;
   1144 	int		i, j;
   1145 	int		dr_conf;
   1146 	int		fd, rv;
   1147 	boolean_t	present;
   1148 	char		dev_path[sizeof (HPC3130_DEV)+8];
   1149 	unsigned char	controller_names[HPC3130_CONTROLLERS] =
   1150 		{ 0xe2, 0xe6, 0xe8, 0xec };
   1151 
   1152 	if (name[0] == NULL) {
   1153 		for (i = 0; i < DAKTARI_MAX_PS; i++) {
   1154 			rv = psvc_get_attr(hdlp, id, PSVC_ASSOC_ID_ATTR,
   1155 			    &(name[i]), PSVC_PS, i);
   1156 			if (rv != PSVC_SUCCESS)
   1157 				return (rv);
   1158 		}
   1159 	}
   1160 
   1161 	/*
   1162 	 * Go through the power supplies to make sure they're present
   1163 	 * and OK.
   1164 	 */
   1165 	ps_cnt = DAKTARI_MAX_PS;
   1166 	for (i = 0; i < DAKTARI_MAX_PS; i++) {
   1167 		rv = psvc_get_attr(hdlp, name[i], PSVC_PRESENCE_ATTR,
   1168 		    &present);
   1169 		if (rv != PSVC_SUCCESS)
   1170 			return (rv);
   1171 
   1172 		if (present != PSVC_PRESENT) {
   1173 			ps_cnt--;
   1174 			continue;
   1175 		} else {
   1176 			rv = psvc_get_attr(hdlp, name[i], PSVC_STATE_ATTR,
   1177 			    state);
   1178 			if (rv != PSVC_SUCCESS)
   1179 				return (rv);
   1180 
   1181 			if (strcmp(state, PSVC_OK))
   1182 				ps_cnt--;
   1183 		}
   1184 	}
   1185 
   1186 	/*
   1187 	 * No change in DR configuration is needed if the new power supply
   1188 	 * count equals the current count.
   1189 	 */
   1190 	if (ps_cnt == co_ps)
   1191 		return (PSVC_SUCCESS);
   1192 
   1193 	/*
   1194 	 * Disable DR when hotplugged down to 1 power supply; enable DR when
   1195 	 * hotplugged up from 1 supply.
   1196 	 */
   1197 	assert(ps_cnt);
   1198 	if ((co_ps == 0 || co_ps > 1) && ps_cnt != 1) {
   1199 		co_ps = ps_cnt;
   1200 		return (PSVC_SUCCESS);
   1201 	}
   1202 	dr_conf = (ps_cnt == 1 ? HPC3130_DR_DISABLE : HPC3130_DR_ENABLE);
   1203 	co_ps = ps_cnt;
   1204 
   1205 	for (i = 0; i < HPC3130_CONTROLLERS; i++) {
   1206 		for (j = 0; j < HPC3130_SLOTS; j++) {
   1207 			(void) snprintf(dev_path, sizeof (dev_path),
   1208 			    HPC3130_DEV, controller_names[i], j);
   1209 			fd = open(dev_path, O_RDWR);
   1210 			if (fd == -1)
   1211 				return (PSVC_FAILURE);
   1212 
   1213 			rv = ioctl(fd, HPC3130_CONF_DR, &dr_conf);
   1214 			close(fd);
   1215 			if (rv == -1)
   1216 				return (PSVC_FAILURE);
   1217 		}
   1218 	}
   1219 
   1220 	return (PSVC_SUCCESS);
   1221 }
   1222 
   1223 int32_t
   1224 psvc_fan_blast_shutoff_policy_0(psvc_opaque_t hdlp, char *id)
   1225 {
   1226 	char		switch_status[32];
   1227 	int32_t		status = PSVC_SUCCESS;
   1228 
   1229 	status = psvc_get_attr(hdlp, id, PSVC_SWITCH_STATE_ATTR, switch_status);
   1230 	if (status != PSVC_SUCCESS)
   1231 		return (status);
   1232 	status = psvc_set_attr(hdlp, id, PSVC_SWITCH_STATE_ATTR,
   1233 	    PSVC_SWITCH_OFF);
   1234 	if (status != PSVC_SUCCESS)
   1235 		return (status);
   1236 	status = psvc_set_attr(hdlp, id, PSVC_SWITCH_STATE_ATTR,
   1237 	    PSVC_SWITCH_ON);
   1238 	if (status != PSVC_SUCCESS)
   1239 		return (status);
   1240 	status = psvc_set_attr(hdlp, id, PSVC_SWITCH_STATE_ATTR,
   1241 	    PSVC_SWITCH_OFF);
   1242 
   1243 	return (status);
   1244 }
   1245 
   1246 int32_t
   1247 psvc_fan_fault_check_policy_0(psvc_opaque_t hdlp, char *system)
   1248 {
   1249 	static char *fan_id[DAK_MAX_FANS] = {NULL};
   1250 	boolean_t enabled;
   1251 	int32_t speed;
   1252 	int32_t status = PSVC_SUCCESS;
   1253 	int r;
   1254 	static int threshold_counter = 0;
   1255 
   1256 	if (fan_id[0] == NULL) {
   1257 		for (r = 0; r < DAK_MAX_FANS; r++) {
   1258 			status = psvc_get_attr(hdlp, system,
   1259 			    PSVC_ASSOC_ID_ATTR, &(fan_id[r]), PSVC_FAN, r);
   1260 			if (status != PSVC_SUCCESS)
   1261 				return (status);
   1262 		}
   1263 	}
   1264 
   1265 	for (r = 0; r < DAK_MAX_FANS; r++) {
   1266 		status = psvc_get_attr(hdlp, fan_id[r], PSVC_ENABLE_ATTR,
   1267 		    &enabled);
   1268 		if (status != PSVC_SUCCESS)
   1269 			return (status);
   1270 
   1271 		if (enabled == PSVC_ENABLED) {
   1272 			uint64_t features;
   1273 			char *switch_id;
   1274 			char switch_state[32], fan_state[32];
   1275 			int fan_count, fans;
   1276 			char *other_fan_id;
   1277 			char fstate[32], ffault[32];
   1278 
   1279 			/*
   1280 			 * If any other fan on the fan tray has an ERROR state,
   1281 			 * mark this fan bad and return
   1282 			 */
   1283 			psvc_get_attr(hdlp, fan_id[r], PSVC_ASSOC_MATCHES_ATTR,
   1284 			    &fan_count, PSVC_FAN_TRAY_FANS);
   1285 			for (fans = 0; fans < fan_count; ++fans) {
   1286 				status = psvc_get_attr(hdlp, fan_id[r],
   1287 				    PSVC_ASSOC_ID_ATTR, &other_fan_id,
   1288 				    PSVC_FAN_TRAY_FANS, fans);
   1289 				if (status == PSVC_FAILURE)
   1290 					return (status);
   1291 				status = psvc_get_attr(hdlp, other_fan_id,
   1292 				    PSVC_STATE_ATTR, fan_state);
   1293 				if (status != PSVC_SUCCESS)
   1294 					return (status);
   1295 
   1296 				if (strcmp(fan_state, PSVC_ERROR) == 0) {
   1297 					strlcpy(ffault, PSVC_GEN_FAULT,
   1298 					    sizeof (ffault));
   1299 					status = psvc_set_attr(hdlp, fan_id[r],
   1300 					    PSVC_FAULTID_ATTR, ffault);
   1301 					if (status != PSVC_SUCCESS)
   1302 						return (status);
   1303 
   1304 					strlcpy(fstate, PSVC_ERROR,
   1305 					    sizeof (fstate));
   1306 					status = psvc_set_attr(hdlp, fan_id[r],
   1307 					    PSVC_STATE_ATTR, fstate);
   1308 
   1309 					return (status);
   1310 				}
   1311 			}
   1312 
   1313 			/*
   1314 			 * Select tachometer for IO or CPU primary/secondary
   1315 			 * fans.
   1316 			 */
   1317 			pthread_mutex_lock(&fan_mutex);
   1318 
   1319 			status = psvc_get_attr(hdlp, fan_id[r],
   1320 			    PSVC_ASSOC_ID_ATTR, &switch_id,
   1321 			    PSVC_FAN_PRIM_SEC_SELECTOR, 0);
   1322 
   1323 			if (status != PSVC_FAILURE) {
   1324 				status = psvc_get_attr(hdlp, fan_id[r],
   1325 				    PSVC_FEATURES_ATTR,	&features);
   1326 				if (status == PSVC_FAILURE) {
   1327 					pthread_mutex_unlock(&fan_mutex);
   1328 					return (status);
   1329 				}
   1330 
   1331 				if (features & PSVC_DEV_PRIMARY)
   1332 					strlcpy(switch_state, PSVC_SWITCH_ON,
   1333 					    sizeof (switch_state));
   1334 				else
   1335 					strlcpy(switch_state, PSVC_SWITCH_OFF,
   1336 					    sizeof (switch_state));
   1337 				status = psvc_set_attr(hdlp, switch_id,
   1338 				    PSVC_SWITCH_STATE_ATTR, switch_state);
   1339 				if (status == PSVC_FAILURE) {
   1340 					pthread_mutex_unlock(&fan_mutex);
   1341 					return (status);
   1342 				}
   1343 
   1344 				/* allow time for speed to be determined */
   1345 				(void) poll(NULL, 0, 250);
   1346 			}
   1347 
   1348 			status = psvc_get_attr(hdlp, fan_id[r],
   1349 			    PSVC_SENSOR_VALUE_ATTR, &speed);
   1350 			if (status != PSVC_SUCCESS) {
   1351 				pthread_mutex_unlock(&fan_mutex);
   1352 				return (status);
   1353 			}
   1354 
   1355 			pthread_mutex_unlock(&fan_mutex);
   1356 
   1357 			if (speed == 0) {
   1358 				threshold_counter++;
   1359 				if (threshold_counter ==
   1360 				    n_read_fanfault) {
   1361 					int32_t i;
   1362 					int32_t led_count;
   1363 					char led_state[32];
   1364 					char *led_id;
   1365 					char *slot_id;
   1366 					char label[32];
   1367 					char state[32], fault[32];
   1368 
   1369 					threshold_counter = 0;
   1370 					strlcpy(fault, PSVC_GEN_FAULT,
   1371 					    sizeof (fault));
   1372 					status = psvc_set_attr(hdlp, fan_id[r],
   1373 					    PSVC_FAULTID_ATTR, fault);
   1374 					if (status != PSVC_SUCCESS)
   1375 						return (status);
   1376 
   1377 					strlcpy(state, PSVC_ERROR,
   1378 					    sizeof (state));
   1379 					status = psvc_set_attr(hdlp, fan_id[r],
   1380 					    PSVC_STATE_ATTR, state);
   1381 					if (status != PSVC_SUCCESS)
   1382 						return (status);
   1383 
   1384 					status = psvc_get_attr(hdlp, fan_id[r],
   1385 					    PSVC_LABEL_ATTR, label);
   1386 					if (status != PSVC_SUCCESS)
   1387 						return (status);
   1388 
   1389 					syslog(LOG_ERR, DEVICE_FAILURE_MSG,
   1390 					    label);
   1391 
   1392 					/* turn on fault LEDs */
   1393 					psvc_get_attr(hdlp, fan_id[r],
   1394 					    PSVC_ASSOC_MATCHES_ATTR, &led_count,
   1395 					    PSVC_DEV_FAULT_LED);
   1396 					strlcpy(led_state, PSVC_LED_ON,
   1397 					    sizeof (led_state));
   1398 					for (i = 0; i < led_count; ++i) {
   1399 						status = psvc_get_attr(hdlp,
   1400 						    fan_id[r],
   1401 						    PSVC_ASSOC_ID_ATTR, &led_id,
   1402 						    PSVC_DEV_FAULT_LED, i);
   1403 						if (status == PSVC_FAILURE)
   1404 							return (status);
   1405 
   1406 						status = psvc_set_attr(hdlp,
   1407 						    led_id, PSVC_LED_STATE_ATTR,
   1408 						    led_state);
   1409 						if (status == PSVC_FAILURE)
   1410 							return (status);
   1411 					}
   1412 
   1413 					/* turn on OK to remove LEDs */
   1414 
   1415 					status = psvc_get_attr(hdlp, fan_id[r],
   1416 					    PSVC_ASSOC_ID_ATTR, &slot_id,
   1417 					    PSVC_PARENT, 0);
   1418 					if (status != PSVC_SUCCESS)
   1419 						return (status);
   1420 
   1421 					psvc_get_attr(hdlp, slot_id,
   1422 					    PSVC_ASSOC_MATCHES_ATTR, &led_count,
   1423 					    PSVC_SLOT_REMOVE_LED);
   1424 					strlcpy(led_state, PSVC_LED_ON,
   1425 					    sizeof (led_state));
   1426 					for (i = 0; i < led_count; ++i) {
   1427 						status = psvc_get_attr(hdlp,
   1428 						    slot_id,
   1429 						    PSVC_ASSOC_ID_ATTR, &led_id,
   1430 						    PSVC_SLOT_REMOVE_LED, i);
   1431 						if (status == PSVC_FAILURE)
   1432 							return (status);
   1433 
   1434 						status = psvc_set_attr(hdlp,
   1435 						    led_id, PSVC_LED_STATE_ATTR,
   1436 						    led_state);
   1437 						if (status == PSVC_FAILURE)
   1438 							return (status);
   1439 					}
   1440 				}
   1441 			}
   1442 		}
   1443 	}
   1444 
   1445 	return (PSVC_SUCCESS);
   1446 }
   1447 
   1448 /*
   1449  * This routine takes in the PSVC handle pointer, the PS name, and the
   1450  * instance number (0, 1, or 2). It simply make a psvc_get call to get the
   1451  * presence of each of the children under the PS. This call will set the
   1452  * presence state of the child device if it was not there when the system
   1453  * was booted.
   1454  */
   1455 static int
   1456 handle_ps_hotplug_children_presence(psvc_opaque_t hdlp, char *id)
   1457 {
   1458 	char *sensor_id;
   1459 	char fail_valid_switch_id[PICL_PROPNAMELEN_MAX];
   1460 	int32_t	status = PSVC_SUCCESS;
   1461 	boolean_t presence;
   1462 	int j;
   1463 
   1464 	/* Get the Sensor Valid Switch presence */
   1465 	snprintf(fail_valid_switch_id, sizeof (fail_valid_switch_id), "%s%s",
   1466 	    id, "_SENSOR_VALID_SWITCH");
   1467 
   1468 	status = psvc_get_attr(hdlp, fail_valid_switch_id, PSVC_PRESENCE_ATTR,
   1469 	    &presence);
   1470 	if (status != PSVC_SUCCESS)
   1471 		return (status);
   1472 
   1473 	/* Go through each PS's fault sensors */
   1474 	for (j = 0; j < DAK_MAX_FAULT_SENSORS; j++) {
   1475 		status = psvc_get_attr(hdlp, id, PSVC_ASSOC_ID_ATTR,
   1476 		    &(sensor_id), PSVC_DEV_FAULT_SENSOR, j);
   1477 		if (status != PSVC_SUCCESS)
   1478 			return (status);
   1479 		status = psvc_get_attr(hdlp, sensor_id, PSVC_PRESENCE_ATTR,
   1480 		    &presence);
   1481 		if (status != PSVC_SUCCESS)
   1482 			return (status);
   1483 	}
   1484 
   1485 	/* Go through each PS's current sensors */
   1486 	for (j = 0; j < DAK_MAX_PS_I_SENSORS; ++j) {
   1487 		status = psvc_get_attr(hdlp, id, PSVC_ASSOC_ID_ATTR,
   1488 		    &(sensor_id), PSVC_PS_I_SENSOR, j);
   1489 		if (status != PSVC_SUCCESS)
   1490 			return (status);
   1491 		status = psvc_get_attr(hdlp, sensor_id, PSVC_PRESENCE_ATTR,
   1492 		    &presence);
   1493 		if (status != PSVC_SUCCESS)
   1494 			return (status);
   1495 
   1496 	}
   1497 
   1498 	/* Go through each PS's onboard i2c hardware */
   1499 	for (j = 0; j < 3; j++) {
   1500 		status = psvc_get_attr(hdlp, id, PSVC_ASSOC_ID_ATTR,
   1501 		    &(sensor_id), PSVC_PHYSICAL_DEVICE, j);
   1502 		if (status != PSVC_SUCCESS)
   1503 			return (status);
   1504 		status = psvc_get_attr(hdlp, sensor_id, PSVC_PRESENCE_ATTR,
   1505 		    &presence);
   1506 		if (status != PSVC_SUCCESS)
   1507 			return (status);
   1508 	}
   1509 
   1510 	return (status);
   1511 }
   1512 
   1513 static i2c_hp_t devices[3][3] = {
   1514 {{{0, 0x90}, "adio", "i2c-pcf8591"}, {{0, 0x70}, "ioexp", "i2c-pcf8574"},
   1515 	{{0, 0xa0}, "fru", "i2c-at24c64"}},
   1516 {{{0, 0x92}, "adio", "i2c-pcf8591"}, {{0, 0x72}, "ioexp", "i2c-pcf8574"},
   1517 	{{0, 0xa2}, "fru", "i2c-at24c64"}},
   1518 {{{0, 0x94}, "adio", "i2c-pcf8591"}, {{0, 0x74}, "ioexp", "i2c-pcf8574"},
   1519 	{{0, 0xa4}, "fru", "i2c-at24c64"}},
   1520 };
   1521 
   1522 int32_t
   1523 psvc_ps_hotplug_policy_0(psvc_opaque_t hdlp, char *id)
   1524 {
   1525 	boolean_t presence, previous_presence;
   1526 	int32_t status = PSVC_SUCCESS;
   1527 	char label[32], state[32], fault[32];
   1528 	int32_t ps_instance, led_count;
   1529 	char *switch_id, *led_id;
   1530 	int i;
   1531 	picl_nodehdl_t parent_node;
   1532 	char parent_path[256], ps_path[256];
   1533 	picl_nodehdl_t child_node;
   1534 	devctl_hdl_t bus_handle, dev_handle;
   1535 	devctl_ddef_t ddef_hdl;
   1536 	char pcf8574_devpath[256], pcf8591_devpath[256], fru_devpath[256];
   1537 	int retry;
   1538 
   1539 	status = psvc_get_attr(hdlp, id, PSVC_PREV_PRESENCE_ATTR,
   1540 	    &previous_presence);
   1541 	if (status != PSVC_SUCCESS)
   1542 		return (status);
   1543 
   1544 	retry = 0;
   1545 	do {
   1546 		if (retry)
   1547 			(void) sleep(retry_sleep_pshp);
   1548 
   1549 		status = psvc_get_attr(hdlp, id, PSVC_PRESENCE_ATTR, &presence);
   1550 		if (status != PSVC_SUCCESS)
   1551 			return (status);
   1552 		retry++;
   1553 	} while ((retry < n_retry_pshp) &&
   1554 	    (presence != previous_presence));
   1555 
   1556 	if (presence == previous_presence) {
   1557 		/* No change */
   1558 		return (status);
   1559 	}
   1560 
   1561 	status = psvc_get_attr(hdlp, id, PSVC_LABEL_ATTR, label);
   1562 	if (status != PSVC_SUCCESS)
   1563 		return (status);
   1564 
   1565 	/* convert name to node, and parent path */
   1566 	psvcplugin_lookup(id, parent_path, &child_node);
   1567 
   1568 	if (presence == PSVC_PRESENT) {
   1569 		/*
   1570 		 * Run this code if Power Supply was just added into the
   1571 		 * System.  This code toggles hotplug switch and adds the
   1572 		 * PS and it's children to the picl tree. We then goto adding
   1573 		 * device drivers at bottom of the routine.
   1574 		 */
   1575 		int32_t switch_count;
   1576 		char state[32], fault[32];
   1577 		char switch_state[32];
   1578 
   1579 		/* may detect presence before all connections are made */
   1580 		(void) poll(NULL, 0, 500);
   1581 
   1582 		/* Device added */
   1583 		syslog(LOG_ERR, DEVICE_INSERTED_MSG, label);
   1584 
   1585 		strcpy(state, PSVC_OK);
   1586 		status = psvc_set_attr(hdlp, id, PSVC_STATE_ATTR, state);
   1587 		if (status != PSVC_SUCCESS)
   1588 			return (status);
   1589 
   1590 		strcpy(fault, PSVC_NO_FAULT);
   1591 		status = psvc_set_attr(hdlp, id, PSVC_FAULTID_ATTR, fault);
   1592 		if (status != PSVC_SUCCESS)
   1593 			return (status);
   1594 
   1595 		/* Enable i2c bus */
   1596 		psvc_get_attr(hdlp, id, PSVC_ASSOC_MATCHES_ATTR,
   1597 		    &switch_count, PSVC_HOTPLUG_ENABLE_SWITCH);
   1598 		for (i = 0; i < switch_count; ++i) {
   1599 			status = psvc_get_attr(hdlp, id, PSVC_ASSOC_ID_ATTR,
   1600 			    &switch_id, PSVC_HOTPLUG_ENABLE_SWITCH, i);
   1601 			if (status == PSVC_FAILURE)
   1602 				return (status);
   1603 
   1604 			strcpy(switch_state, PSVC_SWITCH_OFF);
   1605 			status = psvc_set_attr(hdlp, switch_id,
   1606 			    PSVC_SWITCH_STATE_ATTR, switch_state);
   1607 			if (status == PSVC_FAILURE)
   1608 				return (status);
   1609 
   1610 			strcpy(switch_state, PSVC_SWITCH_ON);
   1611 			status = psvc_set_attr(hdlp, switch_id,
   1612 			    PSVC_SWITCH_STATE_ATTR, switch_state);
   1613 			if (status == PSVC_FAILURE)
   1614 				return (status);
   1615 		}
   1616 		ptree_get_node_by_path(parent_path, &parent_node);
   1617 		ptree_add_node(parent_node, child_node);
   1618 		snprintf(ps_path, sizeof (ps_path), "%s/%s", parent_path, id);
   1619 		psvcplugin_add_children(ps_path);
   1620 	} else {
   1621 		/*
   1622 		 * Run this code if PS was just removed from the system. We
   1623 		 * delete the device from the picl tree and then shut off
   1624 		 * all fault lights associated with the PS.  We also set the
   1625 		 * device state to PSVC_REMOVED so that if we hit overcurrent
   1626 		 * or fault checking code we can do a psvc call to see that
   1627 		 * the device has not offically been added into the system.
   1628 		 * We then will drop to code lower in the routine to remove
   1629 		 * the device drivers for this PS.
   1630 		 */
   1631 
   1632 		/* Device removed */
   1633 		syslog(LOG_ERR, DEVICE_REMOVED_MSG, label);
   1634 		ptree_delete_node(child_node);
   1635 		psvc_get_attr(hdlp, id, PSVC_ASSOC_MATCHES_ATTR, &led_count,
   1636 		    PSVC_DEV_FAULT_LED);
   1637 
   1638 		for (i = 0; i < led_count; i++) {
   1639 			status = psvc_get_attr(hdlp, id, PSVC_ASSOC_ID_ATTR,
   1640 			    &led_id, PSVC_DEV_FAULT_LED, i);
   1641 			if (status != PSVC_SUCCESS) {
   1642 				return (status);
   1643 			}
   1644 
   1645 			status = psvc_set_attr(hdlp, led_id,
   1646 			    PSVC_LED_STATE_ATTR, PSVC_OFF);
   1647 			if (status != PSVC_SUCCESS) {
   1648 				syslog(LOG_ERR, SET_LED_FAILED_MSG, led_id,
   1649 				    errno);
   1650 				return (status);
   1651 			}
   1652 
   1653 		}
   1654 
   1655 		strcpy(state, PSVC_OK);
   1656 		strcpy(fault, PSVC_NO_FAULT);
   1657 
   1658 		status = psvc_set_attr(hdlp, id, PSVC_STATE_ATTR, state);
   1659 		if (status != PSVC_SUCCESS)
   1660 			return (status);
   1661 		status = psvc_set_attr(hdlp, id, PSVC_FAULTID_ATTR, fault);
   1662 		if (status != PSVC_SUCCESS)
   1663 			return (status);
   1664 	}
   1665 
   1666 	status = psvc_set_attr(hdlp, id, PSVC_PREV_PRESENCE_ATTR, &presence);
   1667 	if (status != PSVC_SUCCESS)
   1668 		return (status);
   1669 
   1670 	status = psvc_get_attr(hdlp, id, PSVC_INSTANCE_ATTR, &ps_instance);
   1671 	if (status != PSVC_SUCCESS)
   1672 		return (status);
   1673 
   1674 	if (presence != PSVC_PRESENT) {
   1675 		/*
   1676 		 * This is the additional code needed to remove the PS from
   1677 		 * the system.  It removes the device drivers from the
   1678 		 * device tree.
   1679 		 */
   1680 		snprintf(pcf8574_devpath, sizeof (pcf8574_devpath), PCF8574,
   1681 		    devices[ps_instance][1].addr[1]);
   1682 		snprintf(pcf8591_devpath, sizeof (pcf8591_devpath), PCF8591,
   1683 		    devices[ps_instance][0].addr[1]);
   1684 		snprintf(fru_devpath, sizeof (fru_devpath), FRU,
   1685 		    devices[ps_instance][2].addr[1]);
   1686 
   1687 		dev_handle = devctl_device_acquire(pcf8591_devpath, 0);
   1688 		if (dev_handle == NULL) {
   1689 			syslog(LOG_ERR, DEVICE_HANDLE_FAIL_MSG,
   1690 			    pcf8591_devpath, errno);
   1691 			devctl_release(dev_handle);
   1692 			return (PSVC_FAILURE);
   1693 		} else if ((devctl_device_remove(dev_handle)) &&
   1694 		    (errno != ENXIO)) {
   1695 				syslog(LOG_ERR, DEVTREE_NODE_DELETE_FAILED,
   1696 				    pcf8591_devpath, errno);
   1697 				devctl_release(dev_handle);
   1698 				return (PSVC_FAILURE);
   1699 			} else {
   1700 				devctl_release(dev_handle);
   1701 				status = PSVC_SUCCESS;
   1702 			}
   1703 
   1704 		dev_handle = devctl_device_acquire(pcf8574_devpath, 0);
   1705 		if (dev_handle == NULL) {
   1706 			syslog(LOG_ERR, DEVICE_HANDLE_FAIL_MSG,
   1707 			    pcf8574_devpath, errno);
   1708 			devctl_release(dev_handle);
   1709 			return (PSVC_FAILURE);
   1710 		} else if ((devctl_device_remove(dev_handle)) &&
   1711 		    (errno != ENXIO)) {
   1712 				syslog(LOG_ERR, DEVTREE_NODE_DELETE_FAILED,
   1713 				    pcf8574_devpath, errno);
   1714 				devctl_release(dev_handle);
   1715 				return (PSVC_FAILURE);
   1716 			} else {
   1717 				devctl_release(dev_handle);
   1718 				status = PSVC_SUCCESS;
   1719 			}
   1720 
   1721 		dev_handle = devctl_device_acquire(fru_devpath, 0);
   1722 		if (dev_handle == NULL) {
   1723 			syslog(LOG_ERR, DEVICE_HANDLE_FAIL_MSG,
   1724 			    fru_devpath, errno);
   1725 			devctl_release(dev_handle);
   1726 			return (PSVC_FAILURE);
   1727 		} else if ((devctl_device_remove(dev_handle)) &&
   1728 		    (errno != ENXIO)) {
   1729 				syslog(LOG_ERR, DEVTREE_NODE_DELETE_FAILED,
   1730 				    fru_devpath, errno);
   1731 				devctl_release(dev_handle);
   1732 				return (PSVC_FAILURE);
   1733 			} else {
   1734 				devctl_release(dev_handle);
   1735 				status = PSVC_SUCCESS;
   1736 			}
   1737 
   1738 		return (status);
   1739 	}
   1740 
   1741 	/*
   1742 	 * This code is to update the presences of power supply child
   1743 	 * devices in the event that picld was started without a power
   1744 	 * supply present.  This call makes the devices available
   1745 	 * after that initial insertion.
   1746 	 */
   1747 	status = handle_ps_hotplug_children_presence(hdlp, id);
   1748 	if (status == PSVC_FAILURE) {
   1749 		return (status);
   1750 	}
   1751 
   1752 	/*
   1753 	 * We fall through to here if the device has been inserted.
   1754 	 * Add the devinfo tree node entry for the seeprom and attach
   1755 	 * the i2c seeprom driver
   1756 	 */
   1757 
   1758 	bus_handle = devctl_bus_acquire(I2C_NODE, 0);
   1759 	if (bus_handle == NULL) {
   1760 		syslog(LOG_ERR, DEVICE_HANDLE_FAIL_MSG, I2C_NODE, errno);
   1761 		return (PSVC_FAILURE);
   1762 	}
   1763 	/* Create the deivce nodes for all 3 i2c parts on the PS */
   1764 	for (i = 0; i < 3; i++) {
   1765 		ddef_hdl = devctl_ddef_alloc(devices[ps_instance][i].name, 0);
   1766 		if (ddef_hdl == NULL) {
   1767 			syslog(LOG_ERR, DEVICE_HANDLE_FAIL_MSG,
   1768 			    devices[ps_instance][i].name, errno);
   1769 			return (PSVC_FAILURE);
   1770 		}
   1771 		status = devctl_ddef_string(ddef_hdl, "compatible",
   1772 		    devices[ps_instance][i].compatible);
   1773 		if (status == -1) {
   1774 			syslog(LOG_ERR, DEVICE_HANDLE_FAIL_MSG,
   1775 			    devices[ps_instance][i].name, errno);
   1776 			return (PSVC_FAILURE);
   1777 		}
   1778 		status = devctl_ddef_int_array(ddef_hdl, "reg", 2,
   1779 		    devices[ps_instance][i].addr);
   1780 		if (status == -1) {
   1781 			syslog(LOG_ERR, DEVICE_HANDLE_FAIL_MSG,
   1782 			    devices[ps_instance][i].name, errno);
   1783 			return (PSVC_FAILURE);
   1784 		}
   1785 		if (devctl_bus_dev_create(bus_handle, ddef_hdl, 0,
   1786 		    &dev_handle)) {
   1787 			syslog(LOG_ERR, DEVTREE_NODE_CREATE_FAILED,
   1788 			    devices[ps_instance][i].name, errno);
   1789 			return (PSVC_FAILURE);
   1790 		} else
   1791 			devctl_release(dev_handle);
   1792 		devctl_ddef_free(ddef_hdl);
   1793 	}
   1794 	devctl_release(bus_handle);
   1795 
   1796 	return (status);
   1797 }
   1798 
   1799 static void
   1800 shutdown_routine()
   1801 {
   1802 	static boolean_t shutdown_flag = 0;
   1803 
   1804 	if (!(shutdown_flag)) {
   1805 		system(shutdown_string);
   1806 		shutdown_flag = 1;
   1807 	}
   1808 }
   1809 
   1810 /*
   1811  * This policy checks temperature sensors to see if the fault attribute
   1812  * is set to either High or Low Shutdown. If so then it shuts the system
   1813  * down with a 1 minute warning period
   1814  */
   1815 int32_t
   1816 psvc_shutdown_policy(psvc_opaque_t hdlp, char *id)
   1817 {
   1818 	int32_t	status;
   1819 	char	fault[32] = {0};
   1820 	boolean_t	pr;
   1821 	int	retry;
   1822 
   1823 	status = psvc_get_attr(hdlp, id, PSVC_PRESENCE_ATTR, &pr);
   1824 	if ((status != PSVC_SUCCESS) || (pr != PSVC_PRESENT)) {
   1825 		return (status);
   1826 	}
   1827 
   1828 	retry = 0;
   1829 	do {
   1830 		if (retry)
   1831 			(void) sleep(retry_sleep_temp_shutdown);
   1832 		status = psvc_get_attr(hdlp, id, PSVC_FAULTID_ATTR, fault);
   1833 		if (status != PSVC_SUCCESS)
   1834 			return (status);
   1835 		retry++;
   1836 	} while (((strcmp(fault, PSVC_TEMP_LO_SHUT) == 0) ||
   1837 	    (strcmp(fault, PSVC_TEMP_HI_SHUT) == 0)) &&
   1838 	    (retry < n_retry_temp_shutdown));
   1839 	if ((strcmp(fault, PSVC_TEMP_LO_SHUT) == 0) ||
   1840 	    (strcmp(fault, PSVC_TEMP_HI_SHUT) == 0)) {
   1841 		shutdown_routine();
   1842 	}
   1843 
   1844 	return (PSVC_SUCCESS);
   1845 }
   1846 
   1847 int32_t
   1848 psvc_check_disk_fault_policy_0(psvc_opaque_t hdlp, char *id)
   1849 {
   1850 	int32_t		status = PSVC_SUCCESS;
   1851 	int32_t		i;
   1852 	char		curr_state[32], prev_state[32], led_state[32];
   1853 	char		disk_fault[32], disk_state[32];
   1854 	static char	*disk_id[DAK_MAX_DISKS] = {NULL};
   1855 	static char	*led_id[DAK_MAX_DISKS] = {NULL};
   1856 	static char	*parent_id[DAK_MAX_DISKS] = {NULL};
   1857 	boolean_t	present;
   1858 	int		retry;
   1859 
   1860 	/*
   1861 	 * Check which disk faulted, now get the disks.
   1862 	 * We are now going to get disk, disk parent,
   1863 	 * parent's leds, and check to see if parent's leds are on
   1864 	 */
   1865 
   1866 	if (disk_id[0] == NULL) {
   1867 		for (i = 0; i < DAK_MAX_DISKS; i++) {
   1868 			status = psvc_get_attr(hdlp, id, PSVC_ASSOC_ID_ATTR,
   1869 			    &(disk_id[i]), PSVC_DISK, i);
   1870 			if (status != PSVC_SUCCESS)
   1871 				return (status);
   1872 			status = psvc_get_attr(hdlp, disk_id[i],
   1873 			    PSVC_ASSOC_ID_ATTR, &(parent_id[i]),
   1874 			    PSVC_PARENT, 0);
   1875 			if (status != PSVC_SUCCESS)
   1876 				return (status);
   1877 			status = psvc_get_attr(hdlp, parent_id[i],
   1878 			    PSVC_ASSOC_ID_ATTR, &(led_id[i]),
   1879 			    PSVC_SLOT_FAULT_LED, 0);
   1880 			if (status != PSVC_SUCCESS)
   1881 				return (status);
   1882 
   1883 		}
   1884 	}
   1885 
   1886 	for (i = 0; i < DAK_MAX_DISKS; i++) {
   1887 		curr_state[0] = 0;
   1888 		prev_state[0] = 0;
   1889 
   1890 		status = psvc_get_attr(hdlp, disk_id[i], PSVC_PRESENCE_ATTR,
   1891 		    &present);
   1892 		if (status != PSVC_SUCCESS)
   1893 			return (status);
   1894 
   1895 		if (present == PSVC_ABSENT)
   1896 			continue;
   1897 
   1898 		/*
   1899 		 * Check if whether or not the led is on.
   1900 		 * If so, then this disk has a problem and
   1901 		 * set its fault and error states to bad.
   1902 		 * If not, then set fault and error states to good.
   1903 		 * If the disk underwent a change in state, then
   1904 		 * print out what state it's now in.
   1905 		 */
   1906 
   1907 		status = psvc_get_attr(hdlp, disk_id[i], PSVC_STATE_ATTR,
   1908 		    prev_state);
   1909 		if (status != PSVC_SUCCESS)
   1910 			return (status);
   1911 
   1912 		retry = 0;
   1913 		do {
   1914 			if (retry)
   1915 				(void) sleep(retry_sleep_diskfault);
   1916 			status = psvc_get_attr(hdlp, led_id[i], PSVC_STATE_ATTR,
   1917 			    led_state);
   1918 			if (status != PSVC_SUCCESS)
   1919 				return (status);
   1920 			retry++;
   1921 			/*
   1922 			 * check to see if we need to retry. the conditions are:
   1923 			 *
   1924 			 * prev_state		led_state		retry
   1925 			 * --------------------------------------------------
   1926 			 * PSVC_ERROR		PSVC_LED_ON		yes
   1927 			 * PSVC_OK		PSVC_LED_OFF		yes
   1928 			 * PSVC_ERROR		PSVC_LED_OFF		no
   1929 			 * PSVC_OK		PSVC_LED_ON		no
   1930 			 */
   1931 		} while ((retry < n_retry_diskfault) &&
   1932 		    change_of_state_str(prev_state, PSVC_OK,
   1933 		    led_state, PSVC_LED_ON));
   1934 
   1935 		/*
   1936 		 * Set the disk's state and fault id according to
   1937 		 * what we found the disk fault sensor (disk_slot_fault_led)
   1938 		 * to be.
   1939 		 */
   1940 		if (strcmp(led_state, PSVC_LED_ON) == 0) {
   1941 			strcpy(disk_fault, PSVC_GEN_FAULT);
   1942 			strcpy(disk_state, PSVC_ERROR);
   1943 		} else {
   1944 			strcpy(disk_fault, PSVC_NO_FAULT);
   1945 			strcpy(disk_state, PSVC_OK);
   1946 		}
   1947 		status = psvc_set_attr(hdlp, disk_id[i], PSVC_STATE_ATTR,
   1948 		    disk_state);
   1949 		if (status != PSVC_SUCCESS)
   1950 			return (status);
   1951 		status = psvc_set_attr(hdlp, disk_id[i], PSVC_FAULTID_ATTR,
   1952 		    disk_fault);
   1953 		if (status != PSVC_SUCCESS)
   1954 			return (status);
   1955 		/*
   1956 		 * Check disk states.  If they differ, then print out
   1957 		 * the current state of the disk
   1958 		 */
   1959 		status = psvc_get_attr(hdlp, disk_id[i], PSVC_PREV_STATE_ATTR,
   1960 		    prev_state);
   1961 		if (status != PSVC_SUCCESS)
   1962 			return (status);
   1963 
   1964 		if (strcmp(disk_state, prev_state) != 0) {
   1965 			if (strcmp(disk_state, PSVC_ERROR) == 0) {
   1966 				syslog(LOG_ERR, DISK_FAULT_MSG, disk_id[i]);
   1967 			} else {
   1968 				syslog(LOG_ERR, DISK_OK_MSG, disk_id[i]);
   1969 			}
   1970 		}
   1971 	}
   1972 	return (PSVC_SUCCESS);
   1973 }
   1974 
   1975 int32_t
   1976 psvc_update_FSP_fault_led_policy_0(psvc_opaque_t hdlp, char *id)
   1977 {
   1978 	int32_t status = PSVC_SUCCESS;
   1979 	int32_t i;
   1980 	int32_t dev_count, fault_state = 0;
   1981 	char	*dev_id;
   1982 	char	dev_state[32], led_state[32];
   1983 	boolean_t	present;
   1984 
   1985 	status = psvc_get_attr(hdlp, id, PSVC_ASSOC_MATCHES_ATTR, &dev_count,
   1986 	    PSVC_DEV_FAULT_SENSOR);
   1987 	if (status != PSVC_SUCCESS)
   1988 		return (status);
   1989 
   1990 	fault_state = 0;
   1991 
   1992 	for (i = 0; i < dev_count; i++) {
   1993 		status = psvc_get_attr(hdlp, id, PSVC_ASSOC_ID_ATTR,
   1994 		    &dev_id, PSVC_DEV_FAULT_SENSOR, i);
   1995 		if (status != PSVC_SUCCESS)
   1996 			return (status);
   1997 		status = psvc_get_attr(hdlp, dev_id, PSVC_PRESENCE_ATTR,
   1998 		    &present);
   1999 		if (status != PSVC_SUCCESS)
   2000 			return (status);
   2001 
   2002 		if (present == PSVC_ABSENT)
   2003 			continue;
   2004 
   2005 		status = psvc_get_attr(hdlp, dev_id, PSVC_STATE_ATTR,
   2006 		    dev_state);
   2007 		if (status != PSVC_SUCCESS)
   2008 			return (status);
   2009 
   2010 		if (strcmp(dev_state, PSVC_ERROR) == 0) {
   2011 			fault_state = 1;
   2012 		}
   2013 	}
   2014 	if (fault_state == 1) {
   2015 		status = psvc_get_attr(hdlp, id, PSVC_STATE_ATTR, led_state);
   2016 		if (status != PSVC_SUCCESS)
   2017 			return (status);
   2018 		if (strcmp(led_state, PSVC_OFF) == 0) {
   2019 			status = psvc_set_attr(hdlp, id, PSVC_STATE_ATTR,
   2020 			    PSVC_ON);
   2021 			if (status != PSVC_SUCCESS)
   2022 				return (status);
   2023 		}
   2024 	} else {
   2025 		status = psvc_get_attr(hdlp, id, PSVC_STATE_ATTR, led_state);
   2026 		if (status != PSVC_SUCCESS)
   2027 			return (status);
   2028 		if (strcmp(led_state, PSVC_ON) == 0) {
   2029 			status = psvc_set_attr(hdlp, id, PSVC_STATE_ATTR,
   2030 			    PSVC_OFF);
   2031 			if (status != PSVC_SUCCESS)
   2032 				return (status);
   2033 		}
   2034 	}
   2035 	status = update_gen_fault_led(hdlp, GEN_FAULT_LED);
   2036 
   2037 	return (status);
   2038 }
   2039 
   2040 int32_t
   2041 update_gen_fault_led(psvc_opaque_t hdlp, char *id)
   2042 {
   2043 	int32_t status = PSVC_SUCCESS;
   2044 	int32_t i;
   2045 	int32_t led_count, fault_state;
   2046 	char	*led_id;
   2047 	char	led_state[32];
   2048 
   2049 	status = psvc_get_attr(hdlp, id, PSVC_ASSOC_MATCHES_ATTR, &led_count,
   2050 	    PSVC_DEV_FAULT_SENSOR);
   2051 	if (status != PSVC_SUCCESS)
   2052 		return (status);
   2053 
   2054 	fault_state = 0;
   2055 
   2056 	for (i = 0; i < led_count; i++) {
   2057 		status = psvc_get_attr(hdlp, id, PSVC_ASSOC_ID_ATTR,
   2058 		    &led_id, PSVC_DEV_FAULT_SENSOR, i);
   2059 		if (status != PSVC_SUCCESS)
   2060 			return (status);
   2061 		status = psvc_get_attr(hdlp, led_id, PSVC_STATE_ATTR,
   2062 		    led_state);
   2063 		if (status != PSVC_SUCCESS)
   2064 			return (status);
   2065 
   2066 		if (strcmp(led_state, PSVC_ON) == 0) {
   2067 			fault_state = 1;
   2068 		}
   2069 	}
   2070 
   2071 	if (fault_state == 1) {
   2072 		status = psvc_get_attr(hdlp, id, PSVC_STATE_ATTR, led_state);
   2073 		if (status != PSVC_SUCCESS)
   2074 			return (status);
   2075 		if (strcmp(led_state, PSVC_OFF) == 0) {
   2076 			status = psvc_set_attr(hdlp, id, PSVC_STATE_ATTR,
   2077 			    PSVC_ON);
   2078 			if (status != PSVC_SUCCESS)
   2079 				return (status);
   2080 		}
   2081 	} else {
   2082 		status = psvc_get_attr(hdlp, id, PSVC_STATE_ATTR, led_state);
   2083 		if (status != PSVC_SUCCESS)
   2084 			return (status);
   2085 		if (strcmp(led_state, PSVC_ON) == 0) {
   2086 			status = psvc_set_attr(hdlp, id, PSVC_STATE_ATTR,
   2087 			    PSVC_OFF);
   2088 			if (status != PSVC_SUCCESS)
   2089 				return (status);
   2090 		}
   2091 	}
   2092 
   2093 	return (status);
   2094 }
   2095 
   2096 
   2097 /*
   2098  * This function detects whether the module present in the dakatari's
   2099  * CPU slot is a CPU module or a Zulu (XVR-4000).
   2100  * Based on this detection it also sets the appropriate temperature sensors
   2101  * to HOTPLUGGED, so that it works properly with check_temp() function
   2102  */
   2103 #define	MAX_MODULE_SIZE		20
   2104 #define	MAX_TEMP_SENSOR_SIZE	30
   2105 
   2106 int32_t
   2107 psvc_update_cpu_module_card_node_0(psvc_opaque_t hdlp, char *id)
   2108 {
   2109 	int32_t	set_temp_sensor_properties(psvc_opaque_t, char *);
   2110 	int32_t	remove_module_node(psvc_opaque_t, char *);
   2111 	int32_t status = PSVC_SUCCESS;
   2112 	fru_info_t fru_data;
   2113 	char *fru, seg_name[2];
   2114 	int8_t seg_count, module_card;
   2115 	int32_t match_count, i, j, seg_desc_start = 0x1806, module_address;
   2116 	int32_t seg_found;
   2117 	boolean_t present;
   2118 	seg_desc_t segment;
   2119 	char other_module_id[MAX_MODULE_SIZE];
   2120 	char cpu_temp_sensor1[MAX_TEMP_SENSOR_SIZE];
   2121 	char cpu_temp_sensor2[MAX_TEMP_SENSOR_SIZE];
   2122 	char zulu_temp_sensor1[MAX_TEMP_SENSOR_SIZE];
   2123 	char zulu_temp_sensor2[MAX_TEMP_SENSOR_SIZE];
   2124 	int offset = 0x7;
   2125 
   2126 	status = psvc_get_attr(hdlp, id, PSVC_PRESENCE_ATTR, &present);
   2127 	if ((status != PSVC_SUCCESS) || (present != PSVC_PRESENT)) {
   2128 		return (status);
   2129 	}
   2130 
   2131 	status = psvc_get_attr(hdlp, id, PSVC_ASSOC_MATCHES_ATTR, &match_count,
   2132 	    PSVC_FRU);
   2133 	if (status == PSVC_FAILURE) {
   2134 		return (status);
   2135 	}
   2136 
   2137 	for (i = 0; i < match_count; i++) {
   2138 		seg_found = 0;
   2139 		status = psvc_get_attr(hdlp, id, PSVC_ASSOC_ID_ATTR, &fru,
   2140 		    PSVC_FRU, i);
   2141 		if (status != PSVC_SUCCESS)
   2142 			return (status);
   2143 
   2144 		fru_data.buf_start = 0x1805;
   2145 		fru_data.buf = (char *)&seg_count;
   2146 		fru_data.read_size = 1;
   2147 
   2148 		status = psvc_get_attr(hdlp, fru, PSVC_FRU_INFO_ATTR,
   2149 		    &fru_data);
   2150 		if (status != PSVC_SUCCESS) {
   2151 			return (status);
   2152 		}
   2153 
   2154 		for (j = 0; (j < seg_count) && (!seg_found); j++) {
   2155 			fru_data.buf_start = seg_desc_start;
   2156 			fru_data.buf = seg_name;
   2157 			fru_data.read_size = 2;
   2158 
   2159 			status = psvc_get_attr(hdlp, fru, PSVC_FRU_INFO_ATTR,
   2160 			    &fru_data);
   2161 			if (status != PSVC_SUCCESS) {
   2162 				syslog(LOG_ERR, GET_ATTR_FRU_FAILED_MSG);
   2163 				return (status);
   2164 			}
   2165 
   2166 			seg_desc_start = seg_desc_start + 2;
   2167 			fru_data.buf_start = seg_desc_start;
   2168 			fru_data.buf = (char *)&segment;
   2169 			fru_data.read_size = sizeof (seg_desc_t);
   2170 
   2171 			status = psvc_get_attr(hdlp, fru, PSVC_FRU_INFO_ATTR,
   2172 			    &fru_data);
   2173 			if (status != PSVC_SUCCESS) {
   2174 				syslog(LOG_ERR, GET_ATTR_FRU_FAILED_MSG);
   2175 				return (status);
   2176 			}
   2177 			seg_desc_start = seg_desc_start + sizeof (seg_desc_t);
   2178 			if (memcmp(seg_name, "SC", 2) == 0)
   2179 				seg_found = 1;
   2180 		}
   2181 
   2182 		if (seg_found) {
   2183 			module_address = segment.segoffset + offset;
   2184 			fru_data.buf_start = module_address;
   2185 			fru_data.buf = (char *)&module_card;
   2186 			fru_data.read_size = 1;
   2187 			status = psvc_get_attr(hdlp, fru, PSVC_FRU_INFO_ATTR,
   2188 			    &fru_data);
   2189 			if (status != PSVC_SUCCESS) {
   2190 				syslog(LOG_ERR, GET_ATTR_FRU_FAILED_MSG);
   2191 				return (status);
   2192 			}
   2193 		} else {
   2194 			syslog(LOG_ERR, NO_FRU_INFO_MSG, id);
   2195 		}
   2196 	}
   2197 
   2198 	if (strcmp(id, "ZULU_1_3_MOD_CARD") == 0) {
   2199 		strlcpy(other_module_id, "CPU_1_3_MOD_CARD", MAX_MODULE_SIZE);
   2200 
   2201 		strlcpy(cpu_temp_sensor1, "CPU1_DIE_TEMPERATURE_SENSOR",
   2202 		    MAX_TEMP_SENSOR_SIZE);
   2203 		strlcpy(cpu_temp_sensor2, "CPU3_DIE_TEMPERATURE_SENSOR",
   2204 		    MAX_TEMP_SENSOR_SIZE);
   2205 
   2206 		strlcpy(zulu_temp_sensor1, "ZULU1_DIE_TEMPERATURE_SENSOR",
   2207 		    MAX_TEMP_SENSOR_SIZE);
   2208 		strlcpy(zulu_temp_sensor2, "ZULU3_DIE_TEMPERATURE_SENSOR",
   2209 		    MAX_TEMP_SENSOR_SIZE);
   2210 	}
   2211 
   2212 	if (strcmp(id, "ZULU_4_6_MOD_CARD") == 0) {
   2213 		strlcpy(other_module_id, "CPU_4_6_MOD_CARD", MAX_MODULE_SIZE);
   2214 
   2215 		strlcpy(cpu_temp_sensor1, "CPU4_DIE_TEMPERATURE_SENSOR",
   2216 		    MAX_TEMP_SENSOR_SIZE);
   2217 		strlcpy(cpu_temp_sensor2, "CPU6_DIE_TEMPERATURE_SENSOR",
   2218 		    MAX_TEMP_SENSOR_SIZE);
   2219 
   2220 		strlcpy(zulu_temp_sensor1, "ZULU4_DIE_TEMPERATURE_SENSOR",
   2221 		    MAX_TEMP_SENSOR_SIZE);
   2222 		strlcpy(zulu_temp_sensor2, "ZULU6_DIE_TEMPERATURE_SENSOR",
   2223 		    MAX_TEMP_SENSOR_SIZE);
   2224 	}
   2225 
   2226 
   2227 	/*
   2228 	 * If the module in the CPU slot is a Zulu (XVR-4000), then
   2229 	 * location 0x1EB0 in its FRUid prom has a value 0xFB.
   2230 	 * If Zulu (XVR-4000) is detected, delete the CPU node, otherwise
   2231 	 * delete the Zulu node. Also set the temperature sensor value to
   2232 	 * HOTPLUGGED for absent temperature sensors.
   2233 	 */
   2234 	if ((module_card & 0xff) == 0xfb) {
   2235 		status = set_temp_sensor_properties(hdlp, cpu_temp_sensor1);
   2236 		if (status == PSVC_FAILURE) {
   2237 			return (status);
   2238 		}
   2239 
   2240 		status = set_temp_sensor_properties(hdlp, cpu_temp_sensor2);
   2241 		if (status == PSVC_FAILURE) {
   2242 			return (status);
   2243 		}
   2244 
   2245 		/*
   2246 		 * Remove CPU node
   2247 		 */
   2248 		status = remove_module_node(hdlp, other_module_id);
   2249 		if (status == PSVC_FAILURE) {
   2250 			return (status);
   2251 		}
   2252 	} else {
   2253 		status = set_temp_sensor_properties(hdlp, zulu_temp_sensor1);
   2254 		if (status == PSVC_FAILURE) {
   2255 			return (status);
   2256 		}
   2257 		status = set_temp_sensor_properties(hdlp, zulu_temp_sensor2);
   2258 		if (status == PSVC_FAILURE) {
   2259 			return (status);
   2260 		}
   2261 
   2262 		/*
   2263 		 * Remove Zulu (XVR-4000) node
   2264 		 */
   2265 		status = remove_module_node(hdlp, id);
   2266 		if (status == PSVC_FAILURE) {
   2267 			return (status);
   2268 		}
   2269 	}
   2270 
   2271 	return (PSVC_SUCCESS);
   2272 }
   2273 
   2274 
   2275 /*
   2276  * Remove the CPU slot's module node
   2277  */
   2278 int32_t
   2279 remove_module_node(psvc_opaque_t hdlp, char *id)
   2280 {
   2281 	char parent_path[256];
   2282 	picl_nodehdl_t child_node;
   2283 
   2284 	/* convert name to node, and parent path */
   2285 	psvcplugin_lookup(id, parent_path, &child_node);
   2286 	/* Device removed */
   2287 	ptree_delete_node(child_node);
   2288 
   2289 	return (PSVC_SUCCESS);
   2290 }
   2291 
   2292 
   2293 /*
   2294  * Set absent temperature sensor values to HOTPLUGGED
   2295  */
   2296 int32_t
   2297 set_temp_sensor_properties(psvc_opaque_t hdlp, char *id)
   2298 {
   2299 	char state[32];
   2300 	int32_t status = PSVC_SUCCESS;
   2301 
   2302 	status = psvc_get_attr(hdlp, id, PSVC_STATE_ATTR, state);
   2303 	if (status == PSVC_FAILURE) {
   2304 		return (status);
   2305 	}
   2306 
   2307 	if (strcmp(state, PSVC_HOTPLUGGED) != 0) {
   2308 		strcpy(state, PSVC_HOTPLUGGED);
   2309 
   2310 		status = psvc_set_attr(hdlp, id, PSVC_STATE_ATTR, state);
   2311 		if (status == PSVC_FAILURE) {
   2312 			return (status);
   2313 		}
   2314 	}
   2315 
   2316 	return (PSVC_SUCCESS);
   2317 }
   2318