51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
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/*
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* Copyright 2011 Tilera Corporation. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, version 2.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
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* NON INFRINGEMENT. See the GNU General Public License for
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* more details.
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*/
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/**
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* @file drv_mshim_intf.h
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* Interface definitions for the Linux EDAC memory controller driver.
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*/
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#ifndef _SYS_HV_INCLUDE_DRV_MSHIM_INTF_H
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#define _SYS_HV_INCLUDE_DRV_MSHIM_INTF_H
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/** Number of memory controllers in the public API. */
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#define TILE_MAX_MSHIMS 4
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/** Memory info under each memory controller. */
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struct mshim_mem_info
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{
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uint64_t mem_size; /**< Total memory size in bytes. */
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uint8_t mem_type; /**< Memory type, DDR2 or DDR3. */
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uint8_t mem_ecc; /**< Memory supports ECC. */
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};
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/**
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* DIMM error structure.
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* For now, only correctable errors are counted and the mshim doesn't record
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* the error PA. HV takes panic upon uncorrectable errors.
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*/
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struct mshim_mem_error
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{
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uint32_t sbe_count; /**< Number of single-bit errors. */
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};
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/** Read this offset to get the memory info per mshim. */
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#define MSHIM_MEM_INFO_OFF 0x100
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/** Read this offset to check DIMM error. */
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#define MSHIM_MEM_ERROR_OFF 0x200
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#endif /* _SYS_HV_INCLUDE_DRV_MSHIM_INTF_H */
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