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 2007 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 40 if (msg) 41 *msg = NULL; 42 43 if ((ihp = calloc(sizeof (ipmi_handle_t), 1)) == NULL) { 44 *errp = EIPMI_NOMEM; 45 if (msg) 46 *msg = "memory allocation failure"; 47 return (NULL); 48 } 49 50 /* /dev/bmc is the only currently available transport */ 51 ihp->ih_transport = &ipmi_transport_bmc; 52 53 ihp->ih_retries = 3; 54 55 if ((ihp->ih_tdata = ihp->ih_transport->it_open(ihp)) == NULL) { 56 *errp = ihp->ih_errno; 57 if (msg) { 58 if ((*msg = strdup(ipmi_errmsg(ihp))) == NULL) 59 *msg = "memory allocation failure"; 60 } 61 ipmi_close(ihp); 62 return (NULL); 63 } 64 65 return (ihp); 66 } 67 68 void 69 ipmi_close(ipmi_handle_t *ihp) 70 { 71 if (ihp->ih_transport && ihp->ih_tdata) 72 ihp->ih_transport->it_close(ihp->ih_tdata); 73 free(ihp); 74 } 75 76 /* 77 * See section 5.2 for a description of the completion codes. 78 */ 79 static struct ipmi_err_conv { 80 int bmc_err; 81 int ipmi_err; 82 } ipmi_errtable[] = { 83 { 0xC0, EIPMI_BUSY }, 84 { 0xC1, EIPMI_INVALID_COMMAND }, 85 { 0xC2, EIPMI_INVALID_COMMAND }, 86 { 0xC3, EIPMI_COMMAND_TIMEOUT }, 87 { 0xC4, EIPMI_NOSPACE }, 88 { 0xC5, EIPMI_INVALID_RESERVATION }, 89 { 0xC6, EIPMI_INVALID_REQUEST }, 90 { 0xC7, EIPMI_INVALID_REQUEST }, 91 { 0xC8, EIPMI_INVALID_REQUEST }, 92 { 0xC9, EIPMI_INVALID_REQUEST }, 93 { 0xCA, EIPMI_DATA_LENGTH_EXCEEDED }, 94 { 0xCB, EIPMI_NOT_PRESENT }, 95 { 0xCC, EIPMI_INVALID_REQUEST }, 96 { 0xCD, EIPMI_INVALID_COMMAND }, 97 { 0xCE, EIPMI_UNAVAILABLE }, 98 { 0xCF, EIPMI_UNAVAILABLE }, 99 { 0xD0, EIPMI_BUSY }, 100 { 0xD1, EIPMI_BUSY }, 101 { 0xD2, EIPMI_BUSY }, 102 { 0xD3, EIPMI_NOT_PRESENT }, 103 { 0xD4, EIPMI_ACCESS }, 104 { 0xD5, EIPMI_UNAVAILABLE }, 105 { 0xD6, EIPMI_UNAVAILABLE }, 106 { 0xFF, EIPMI_UNSPECIFIED }, 107 { BMC_IPMI_OEM_FAILURE_SENDBMC, EIPMI_SEND_FAILED }, 108 }; 109 110 #define IPMI_ERROR_COUNT \ 111 (sizeof (ipmi_errtable) / sizeof (ipmi_errtable[0])) 112 113 ipmi_cmd_t * 114 ipmi_send(ipmi_handle_t *ihp, ipmi_cmd_t *cmd) 115 { 116 int completion; 117 int i; 118 119 if (ihp->ih_transport->it_send(ihp->ih_tdata, cmd, &ihp->ih_response, 120 &completion) != 0) 121 return (NULL); 122 123 if (completion != 0) { 124 for (i = 0; i < IPMI_ERROR_COUNT; i++) { 125 if (completion == ipmi_errtable[i].bmc_err) { 126 (void) ipmi_set_error(ihp, 127 ipmi_errtable[i].ipmi_err, 128 "IPMI completion code 0x%x", completion); 129 return (NULL); 130 } 131 } 132 133 (void) ipmi_set_error(ihp, EIPMI_UNKNOWN, 134 "IPMI completion code 0x%x", completion); 135 return (NULL); 136 } 137 138 return (&ihp->ih_response); 139 } 140