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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 #include <libipmi.h>
     27 #include <stdio.h>
     28 #include <string.h>
     29 
     30 #include "ipmi_impl.h"
     31 
     32 ipmi_deviceid_t *
     33 ipmi_get_deviceid(ipmi_handle_t *ihp)
     34 {
     35 	ipmi_cmd_t cmd, *resp;
     36 	uint16_t id_prod;
     37 
     38 	if (ihp->ih_deviceid != NULL)
     39 		return (ihp->ih_deviceid);
     40 
     41 	cmd.ic_netfn = IPMI_NETFN_APP;
     42 	cmd.ic_lun = 0;
     43 	cmd.ic_cmd = IPMI_CMD_GET_DEVICEID;
     44 	cmd.ic_data = NULL;
     45 	cmd.ic_dlen = 0;
     46 
     47 	if ((resp = ipmi_send(ihp, &cmd)) == NULL)
     48 		return (NULL);
     49 
     50 	if (resp->ic_dlen < sizeof (ipmi_deviceid_t)) {
     51 		(void) ipmi_set_error(ihp, EIPMI_BAD_RESPONSE_LENGTH, NULL);
     52 		return (NULL);
     53 	}
     54 
     55 	/*
     56 	 * The devid response data may include additional data beyond the end of
     57 	 * the normal structure, so we copy the entire response.
     58 	 */
     59 	if ((ihp->ih_deviceid = ipmi_alloc(ihp, resp->ic_dlen)) == NULL)
     60 		return (NULL);
     61 
     62 	(void) memcpy(ihp->ih_deviceid, resp->ic_data, resp->ic_dlen);
     63 	id_prod = LE_IN16(&ihp->ih_deviceid->id_product);
     64 	(void) memcpy(&ihp->ih_deviceid->id_product, &id_prod,
     65 	    sizeof (id_prod));
     66 	ihp->ih_deviceid_len = resp->ic_dlen;
     67 
     68 	return (ihp->ih_deviceid);
     69 }
     70 
     71 /*
     72  * Returns the firmware revision as a string.  This does the work of converting
     73  * the deviceid data into a human readable string (decoding the BCD values).
     74  * It also encodes the fact that Sun ILOM includes the additional micro revision
     75  * at the end of the deviceid information.
     76  */
     77 const char *
     78 ipmi_firmware_version(ipmi_handle_t *ihp)
     79 {
     80 	ipmi_deviceid_t *dp;
     81 	uint8_t *auxrev;
     82 	size_t len;
     83 	char rev[128];
     84 	int i;
     85 
     86 	if (ihp->ih_firmware_rev != NULL)
     87 		return (ihp->ih_firmware_rev);
     88 
     89 	if ((dp = ipmi_get_deviceid(ihp)) == NULL)
     90 		return (NULL);
     91 
     92 	/*
     93 	 * Start with the major an minor revision numbers
     94 	 */
     95 	(void) snprintf(rev, sizeof (rev), "%d.%d", dp->id_firm_major,
     96 	    ipmi_convert_bcd(dp->id_firm_minor));
     97 
     98 	if (ipmi_is_sun_ilom(dp) &&
     99 	    ihp->ih_deviceid_len >= sizeof (ipmi_deviceid_t) + 4) {
    100 		/*
    101 		 * With Sun ILOM we have the micro revision at the end of the
    102 		 * deviceid.  The first two bytes of the aux revision field are
    103 		 * the platform version and release version.
    104 		 */
    105 		auxrev = (uint8_t *)dp + sizeof (ipmi_deviceid_t);
    106 		for (i = 0; i < 2; i++) {
    107 			if (auxrev[i] == 0)
    108 				continue;
    109 
    110 			len = strlen(rev);
    111 			(void) snprintf(rev + len, sizeof (rev) - len, ".%u",
    112 			    auxrev[i]);
    113 		}
    114 	}
    115 
    116 	if ((ihp->ih_firmware_rev = ipmi_strdup(ihp, rev)) == NULL)
    117 		return (NULL);
    118 
    119 	return (ihp->ih_firmware_rev);
    120 }
    121 
    122 ipmi_channel_info_t *
    123 ipmi_get_channel_info(ipmi_handle_t *ihp, int number)
    124 {
    125 	ipmi_cmd_t cmd, *rsp;
    126 	uint8_t channel;
    127 
    128 	if (number > 0xF) {
    129 		(void) ipmi_set_error(ihp, EIPMI_INVALID_REQUEST, NULL);
    130 		return (NULL);
    131 	}
    132 
    133 	channel = (uint8_t)number;
    134 
    135 	cmd.ic_netfn = IPMI_NETFN_APP;
    136 	cmd.ic_lun = 0;
    137 	cmd.ic_cmd = IPMI_CMD_GET_CHANNEL_INFO;
    138 	cmd.ic_data = &channel;
    139 	cmd.ic_dlen = sizeof (channel);
    140 
    141 	if ((rsp = ipmi_send(ihp, &cmd)) == NULL)
    142 		return (NULL);
    143 
    144 	if (rsp->ic_dlen < sizeof (ipmi_channel_info_t)) {
    145 		(void) ipmi_set_error(ihp, EIPMI_BAD_RESPONSE_LENGTH, NULL);
    146 		return (NULL);
    147 	}
    148 
    149 	return (rsp->ic_data);
    150 }
    151