69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/*
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* common EDAC components that must be in kernel
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*
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* Author: Dave Jiang <djiang@mvista.com>
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*
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* 2007 (c) MontaVista Software, Inc.
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* 2010 (c) Advanced Micro Devices Inc.
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* Borislav Petkov <bp@alien8.de>
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*
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*/
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#include <linux/module.h>
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#include <linux/edac.h>
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#include <linux/atomic.h>
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#include <linux/device.h>
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int edac_op_state = EDAC_OPSTATE_INVAL;
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EXPORT_SYMBOL_GPL(edac_op_state);
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atomic_t edac_handlers = ATOMIC_INIT(0);
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EXPORT_SYMBOL_GPL(edac_handlers);
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int edac_err_assert = 0;
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EXPORT_SYMBOL_GPL(edac_err_assert);
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int edac_report_status = EDAC_REPORTING_ENABLED;
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EXPORT_SYMBOL_GPL(edac_report_status);
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static int __init edac_report_setup(char *str)
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{
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if (!str)
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return -EINVAL;
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if (!strncmp(str, "on", 2))
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set_edac_report_status(EDAC_REPORTING_ENABLED);
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else if (!strncmp(str, "off", 3))
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set_edac_report_status(EDAC_REPORTING_DISABLED);
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else if (!strncmp(str, "force", 5))
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set_edac_report_status(EDAC_REPORTING_FORCE);
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return 0;
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}
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__setup("edac_report=", edac_report_setup);
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/*
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* called to determine if there is an EDAC driver interested in
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* knowing an event (such as NMI) occurred
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*/
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int edac_handler_set(void)
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{
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if (edac_op_state == EDAC_OPSTATE_POLL)
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return 0;
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return atomic_read(&edac_handlers);
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}
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EXPORT_SYMBOL_GPL(edac_handler_set);
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/*
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* handler for NMI type of interrupts to assert error
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*/
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void edac_atomic_assert_error(void)
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{
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edac_err_assert++;
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}
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EXPORT_SYMBOL_GPL(edac_atomic_assert_error);
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