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