From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- arch/tile/include/hv/drv_mshim_intf.h | 50 +++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 arch/tile/include/hv/drv_mshim_intf.h (limited to 'arch/tile/include/hv/drv_mshim_intf.h') diff --git a/arch/tile/include/hv/drv_mshim_intf.h b/arch/tile/include/hv/drv_mshim_intf.h new file mode 100644 index 000000000..c6ef3bdc5 --- /dev/null +++ b/arch/tile/include/hv/drv_mshim_intf.h @@ -0,0 +1,50 @@ +/* + * Copyright 2011 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +/** + * @file drv_mshim_intf.h + * Interface definitions for the Linux EDAC memory controller driver. + */ + +#ifndef _SYS_HV_INCLUDE_DRV_MSHIM_INTF_H +#define _SYS_HV_INCLUDE_DRV_MSHIM_INTF_H + +/** Number of memory controllers in the public API. */ +#define TILE_MAX_MSHIMS 4 + +/** Memory info under each memory controller. */ +struct mshim_mem_info +{ + uint64_t mem_size; /**< Total memory size in bytes. */ + uint8_t mem_type; /**< Memory type, DDR2 or DDR3. */ + uint8_t mem_ecc; /**< Memory supports ECC. */ +}; + +/** + * DIMM error structure. + * For now, only correctable errors are counted and the mshim doesn't record + * the error PA. HV takes panic upon uncorrectable errors. + */ +struct mshim_mem_error +{ + uint32_t sbe_count; /**< Number of single-bit errors. */ +}; + +/** Read this offset to get the memory info per mshim. */ +#define MSHIM_MEM_INFO_OFF 0x100 + +/** Read this offset to check DIMM error. */ +#define MSHIM_MEM_ERROR_OFF 0x200 + +#endif /* _SYS_HV_INCLUDE_DRV_MSHIM_INTF_H */ -- cgit v1.2.3-54-g00ecf