1/* 2 * Copyright 2011 Tilera Corporation. All Rights Reserved. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation, version 2. 7 * 8 * This program is distributed in the hope that it will be useful, but 9 * WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or 11 * NON INFRINGEMENT. See the GNU General Public License for 12 * more details. 13 */ 14 15/** 16 * @file drv_mshim_intf.h 17 * Interface definitions for the Linux EDAC memory controller driver. 18 */ 19 20#ifndef _SYS_HV_INCLUDE_DRV_MSHIM_INTF_H 21#define _SYS_HV_INCLUDE_DRV_MSHIM_INTF_H 22 23/** Number of memory controllers in the public API. */ 24#define TILE_MAX_MSHIMS 4 25 26/** Memory info under each memory controller. */ 27struct mshim_mem_info 28{ 29 uint64_t mem_size; /**< Total memory size in bytes. */ 30 uint8_t mem_type; /**< Memory type, DDR2 or DDR3. */ 31 uint8_t mem_ecc; /**< Memory supports ECC. */ 32}; 33 34/** 35 * DIMM error structure. 36 * For now, only correctable errors are counted and the mshim doesn't record 37 * the error PA. HV takes panic upon uncorrectable errors. 38 */ 39struct mshim_mem_error 40{ 41 uint32_t sbe_count; /**< Number of single-bit errors. */ 42}; 43 44/** Read this offset to get the memory info per mshim. */ 45#define MSHIM_MEM_INFO_OFF 0x100 46 47/** Read this offset to check DIMM error. */ 48#define MSHIM_MEM_ERROR_OFF 0x200 49 50#endif /* _SYS_HV_INCLUDE_DRV_MSHIM_INTF_H */ 51