85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
/* Copyright 2015 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <errorlog.h>
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#include <ipmi.h>
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#include <pel.h>
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#include <platform.h>
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#include <processor.h>
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#include <skiboot.h>
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#include <stack.h>
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#include <timebase.h>
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/* Use same attention SRC for BMC based machine */
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DEFINE_LOG_ENTRY(OPAL_RC_ATTN, OPAL_PLATFORM_ERR_EVT,
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OPAL_ATTN, OPAL_PLATFORM_FIRMWARE,
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OPAL_ERROR_PANIC, OPAL_ABNORMAL_POWER_OFF);
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/* Maximum buffer size to capture backtrace and other useful information */
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#define IPMI_TI_BUFFER_SIZE (IPMI_MAX_PEL_SIZE - PEL_MIN_SIZE)
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static char ti_buffer[IPMI_TI_BUFFER_SIZE];
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#define STACK_BUF_ENTRIES 20
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static struct bt_entry bt_buf[STACK_BUF_ENTRIES];
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/* Log eSEL event with OPAL backtrace */
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static void ipmi_log_terminate_event(const char *msg)
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{
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struct bt_metadata metadata;
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unsigned int ti_len;
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unsigned int ti_size;
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struct errorlog *elog_buf;
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/* Fill OPAL version */
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ti_len = snprintf(ti_buffer, IPMI_TI_BUFFER_SIZE,
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"OPAL version : %s\n", version);
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/* File information */
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ti_len += snprintf(ti_buffer + ti_len, IPMI_TI_BUFFER_SIZE - ti_len,
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"File info : %s\n", msg);
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ti_size = IPMI_TI_BUFFER_SIZE - ti_len;
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/* Backtrace */
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backtrace_create(bt_buf, STACK_BUF_ENTRIES, &metadata);
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metadata.token = OPAL_LAST + 1;
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backtrace_print(bt_buf, &metadata, ti_buffer + ti_len, &ti_size, true);
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/* Create eSEL event and commit */
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elog_buf = opal_elog_create(&e_info(OPAL_RC_ATTN), 0);
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log_append_data(elog_buf, (char *)&ti_buffer, ti_len + ti_size);
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log_commit(elog_buf);
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}
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void __attribute__((noreturn)) ipmi_terminate(const char *msg)
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{
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/* Terminate called before initializing IPMI (early abort) */
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if (!ipmi_present()) {
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if (platform.cec_reboot)
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platform.cec_reboot();
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goto out;
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}
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/* Log eSEL event */
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ipmi_log_terminate_event(msg);
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/* Reboot call */
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if (platform.cec_reboot)
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platform.cec_reboot();
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out:
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while (1)
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time_wait_ms(100);
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}
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