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 2010 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #include <libipmi.h> 27 #include <string.h> 28 29 #include "ipmi_impl.h" 30 31 ipmi_handle_t * 32 ipmi_open(int *errp, char **msg, uint_t xport_type, nvlist_t *params) 33 { 34 ipmi_handle_t *ihp; 35 static char errmsg[48]; 36 37 if (msg) 38 *msg = NULL; 39 40 if ((ihp = calloc(sizeof (ipmi_handle_t), 1)) == NULL) { 41 *errp = EIPMI_NOMEM; 42 if (msg) 43 *msg = "memory allocation failure"; 44 return (NULL); 45 } 46 47 switch (xport_type) { 48 case IPMI_TRANSPORT_BMC: 49 ihp->ih_transport = &ipmi_transport_bmc; 50 break; 51 case IPMI_TRANSPORT_LAN: 52 ihp->ih_transport = &ipmi_transport_lan; 53 break; 54 default: 55 *msg = "invalid transport type specified"; 56 return (NULL); 57 } 58 59 ihp->ih_retries = 3; 60 61 if ((ihp->ih_tdata = ihp->ih_transport->it_open(ihp, params)) == NULL || 62 ipmi_sdr_init(ihp) != 0 || ipmi_entity_init(ihp) != 0) { 63 *errp = ihp->ih_errno; 64 if (msg) { 65 (void) strncpy(errmsg, ipmi_errmsg(ihp), 47); 66 errmsg[47] = '\0'; 67 *msg = errmsg; 68 } 69 ipmi_close(ihp); 70 return (NULL); 71 } 72 73 return (ihp); 74 } 75 76 void 77 ipmi_close(ipmi_handle_t *ihp) 78 { 79 if (ihp->ih_transport && ihp->ih_tdata) 80 ihp->ih_transport->it_close(ihp->ih_tdata); 81 ipmi_free(ihp, ihp->ih_deviceid); 82 ipmi_free(ihp, ihp->ih_firmware_rev); 83 ipmi_user_clear(ihp); 84 ipmi_sdr_fini(ihp); 85 ipmi_entity_fini(ihp); 86 free(ihp); 87 } 88 89 /* 90 * See section 5.2 for a description of the completion codes. 91 */ 92 static struct ipmi_err_conv { 93 int bmc_err; 94 int ipmi_err; 95 } ipmi_errtable[] = { 96 { 0xC0, EIPMI_BUSY }, 97 { 0xC1, EIPMI_INVALID_COMMAND }, 98 { 0xC2, EIPMI_INVALID_COMMAND }, 99 { 0xC3, EIPMI_COMMAND_TIMEOUT }, 100 { 0xC4, EIPMI_NOSPACE }, 101 { 0xC5, EIPMI_INVALID_RESERVATION }, 102 { 0xC6, EIPMI_INVALID_REQUEST }, 103 { 0xC7, EIPMI_INVALID_REQUEST }, 104 { 0xC8, EIPMI_INVALID_REQUEST }, 105 { 0xC9, EIPMI_INVALID_REQUEST }, 106 { 0xCA, EIPMI_DATA_LENGTH_EXCEEDED }, 107 { 0xCB, EIPMI_NOT_PRESENT }, 108 { 0xCC, EIPMI_INVALID_REQUEST }, 109 { 0xCD, EIPMI_INVALID_COMMAND }, 110 { 0xCE, EIPMI_UNAVAILABLE }, 111 { 0xCF, EIPMI_UNAVAILABLE }, 112 { 0xD0, EIPMI_BUSY }, 113 { 0xD1, EIPMI_BUSY }, 114 { 0xD2, EIPMI_BUSY }, 115 { 0xD3, EIPMI_NOT_PRESENT }, 116 { 0xD4, EIPMI_ACCESS }, 117 { 0xD5, EIPMI_UNAVAILABLE }, 118 { 0xD6, EIPMI_UNAVAILABLE }, 119 { 0xFF, EIPMI_UNSPECIFIED }, 120 }; 121 122 #define IPMI_ERROR_COUNT \ 123 (sizeof (ipmi_errtable) / sizeof (ipmi_errtable[0])) 124 125 ipmi_cmd_t * 126 ipmi_send(ipmi_handle_t *ihp, ipmi_cmd_t *cmd) 127 { 128 int i; 129 130 if (ihp->ih_transport->it_send(ihp->ih_tdata, cmd, &ihp->ih_response, 131 &ihp->ih_completion) != 0) 132 return (NULL); 133 134 if (ihp->ih_completion != 0) { 135 for (i = 0; i < IPMI_ERROR_COUNT; i++) { 136 if (ihp->ih_completion == ipmi_errtable[i].bmc_err) { 137 (void) ipmi_set_error(ihp, 138 ipmi_errtable[i].ipmi_err, 139 "IPMI completion code 0x%x", 140 ihp->ih_completion); 141 return (NULL); 142 } 143 } 144 145 (void) ipmi_set_error(ihp, EIPMI_UNKNOWN, 146 "IPMI completion code 0x%x", ihp->ih_completion); 147 return (NULL); 148 } 149 150 return (&ihp->ih_response); 151 } 152