linux/arch/tile/include/hv/drv_mshim_intf.h

51 lines
1.5 KiB
C

/*
* 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 */