47 строки
1.1 KiB
C
47 строки
1.1 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. This file is licensed under
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* the terms of the GNU General Public License version 2. This program
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* is licensed "as is" without any warranty of any kind, whether express
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* 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 <asm/atomic.h>
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#include <asm/edac.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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/*
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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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