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