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 * Copyright (c) 2018, Joyent, Inc. 26 */ 27 28 #include <libipmi.h> 29 #include <string.h> 30 31 #include "ipmi_impl.h" 32 33 ipmi_handle_t * 34 ipmi_open(int *errp, char **msg, uint_t xport_type, nvlist_t *params) 35 { 36 ipmi_handle_t *ihp; 37 static char errmsg[48]; 38 39 if (msg) 40 *msg = NULL; 41 42 if ((ihp = calloc(1, sizeof (ipmi_handle_t))) == NULL) { 43 *errp = EIPMI_NOMEM; 44 if (msg) 45 *msg = "memory allocation failure"; 46 return (NULL); 47 } 48 49 switch (xport_type) { 50 case IPMI_TRANSPORT_BMC: 51 ihp->ih_transport = &ipmi_transport_bmc; 52 break; 53 case IPMI_TRANSPORT_LAN: 54 ihp->ih_transport = &ipmi_transport_lan; 55 break; 56 default: 57 *msg = "invalid transport type specified"; 58 return (NULL); 59 } 60 61 ihp->ih_retries = 3; 62 63 if ((ihp->ih_tdata = ihp->ih_transport->it_open(ihp, params)) == NULL || 64 ipmi_sdr_init(ihp) != 0 || ipmi_entity_init(ihp) != 0) { 65 *errp = ihp->ih_errno; 66 if (msg) { 67 (void) strncpy(errmsg, ipmi_errmsg(ihp), 47); 68 errmsg[47] = '\0'; 69 *msg = errmsg; 70 } 71 ipmi_close(ihp); 72 return (NULL); 73 } 74 75 return (ihp); 76 } 77 78 void 79 ipmi_close(ipmi_handle_t *ihp) 80 { 81 if (ihp->ih_transport && ihp->ih_tdata) 82 ihp->ih_transport->it_close(ihp->ih_tdata); 83 ipmi_free(ihp, ihp->ih_deviceid); 84 ipmi_free(ihp, ihp->ih_firmware_rev); 85 ipmi_user_clear(ihp); 86 ipmi_sdr_fini(ihp); 87 ipmi_entity_fini(ihp); 88 free(ihp); 89 } 90 91 /* 92 * See section 5.2 for a description of the completion codes. 93 */ 94 static struct ipmi_err_conv { 95 int bmc_err; 96 int ipmi_err; 97 } ipmi_errtable[] = { 98 { 0xC0, EIPMI_BUSY }, 99 { 0xC1, EIPMI_INVALID_COMMAND }, 100 { 0xC2, EIPMI_INVALID_COMMAND }, 101 { 0xC3, EIPMI_COMMAND_TIMEOUT }, 102 { 0xC4, EIPMI_NOSPACE }, 103 { 0xC5, EIPMI_INVALID_RESERVATION }, 104 { 0xC6, EIPMI_INVALID_REQUEST }, 105 { 0xC7, EIPMI_INVALID_REQUEST }, 106 { 0xC8, EIPMI_INVALID_REQUEST }, 107 { 0xC9, EIPMI_INVALID_REQUEST }, 108 { 0xCA, EIPMI_DATA_LENGTH_EXCEEDED }, 109 { 0xCB, EIPMI_NOT_PRESENT }, 110 { 0xCC, EIPMI_INVALID_REQUEST }, 111 { 0xCD, EIPMI_INVALID_COMMAND }, 112 { 0xCE, EIPMI_UNAVAILABLE }, 113 { 0xCF, EIPMI_UNAVAILABLE }, 114 { 0xD0, EIPMI_BUSY }, 115 { 0xD1, EIPMI_BUSY }, 116 { 0xD2, EIPMI_BUSY }, 117 { 0xD3, EIPMI_NOT_PRESENT }, 118 { 0xD4, EIPMI_ACCESS }, 119 { 0xD5, EIPMI_UNAVAILABLE }, 120 { 0xD6, EIPMI_UNAVAILABLE }, 121 { 0xFF, EIPMI_UNSPECIFIED }, 122 }; 123 124 #define IPMI_ERROR_COUNT \ 125 (sizeof (ipmi_errtable) / sizeof (ipmi_errtable[0])) 126 127 ipmi_cmd_t * 128 ipmi_send(ipmi_handle_t *ihp, ipmi_cmd_t *cmd) 129 { 130 int i; 131 132 if (ihp->ih_transport->it_send(ihp->ih_tdata, cmd, &ihp->ih_response, 133 &ihp->ih_completion) != 0) 134 return (NULL); 135 136 if (ihp->ih_completion != 0) { 137 for (i = 0; i < IPMI_ERROR_COUNT; i++) { 138 if (ihp->ih_completion == ipmi_errtable[i].bmc_err) { 139 (void) ipmi_set_error(ihp, 140 ipmi_errtable[i].ipmi_err, 141 "IPMI completion code 0x%x", 142 ihp->ih_completion); 143 return (NULL); 144 } 145 } 146 147 (void) ipmi_set_error(ihp, EIPMI_UNKNOWN, 148 "IPMI completion code 0x%x", ihp->ih_completion); 149 return (NULL); 150 } 151 152 return (&ihp->ih_response); 153 } 154