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![Justin P. Mattock](/assets/img/avatar_default.png)
Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
298 lines
9.7 KiB
C
298 lines
9.7 KiB
C
/*
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*
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* sep_driver_config.h - Security Processor Driver configuration
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*
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* Copyright(c) 2009-2011 Intel Corporation. All rights reserved.
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* Contributions(c) 2009-2011 Discretix. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* CONTACTS:
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*
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* Mark Allyn mark.a.allyn@intel.com
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* Jayant Mangalampalli jayant.mangalampalli@intel.com
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*
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* CHANGES:
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*
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* 2010.06.26 Upgrade to Medfield
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* 2011.02.22 Enable kernel crypto
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*
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*/
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#ifndef __SEP_DRIVER_CONFIG_H__
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#define __SEP_DRIVER_CONFIG_H__
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/*--------------------------------------
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DRIVER CONFIGURATION FLAGS
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-------------------------------------*/
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/* if flag is on , then the driver is running in polling and
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not interrupt mode */
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#define SEP_DRIVER_POLLING_MODE 0
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/* flag which defines if the shared area address should be
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reconfigured (send to SEP anew) during init of the driver */
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#define SEP_DRIVER_RECONFIG_MESSAGE_AREA 0
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/* the mode for running on the ARM1172 Evaluation platform (flag is 1) */
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#define SEP_DRIVER_ARM_DEBUG_MODE 0
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/* Critical message area contents for sanity checking */
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#define SEP_START_MSG_TOKEN 0x02558808
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/*-------------------------------------------
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INTERNAL DATA CONFIGURATION
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-------------------------------------------*/
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/* flag for the input array */
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#define SEP_DRIVER_IN_FLAG 0
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/* flag for output array */
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#define SEP_DRIVER_OUT_FLAG 1
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/* maximum number of entries in one LLI tables */
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#define SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP 31
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/* minimum data size of the MLLI table */
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#define SEP_DRIVER_MIN_DATA_SIZE_PER_TABLE 16
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/* flag that signifies tah the lock is
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currently held by the process (struct file) */
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#define SEP_DRIVER_OWN_LOCK_FLAG 1
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/* flag that signifies tah the lock is currently NOT
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held by the process (struct file) */
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#define SEP_DRIVER_DISOWN_LOCK_FLAG 0
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/* indicates whether driver has mapped/unmapped shared area */
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#define SEP_REQUEST_DAEMON_MAPPED 1
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#define SEP_REQUEST_DAEMON_UNMAPPED 0
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/*--------------------------------------------------------
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SHARED AREA memory total size is 36K
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it is divided is following:
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SHARED_MESSAGE_AREA 8K }
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}
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STATIC_POOL_AREA 4K } MAPPED AREA ( 24 K)
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}
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DATA_POOL_AREA 12K }
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SYNCHRONIC_DMA_TABLES_AREA 29K
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placeholder until drver changes
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FLOW_DMA_TABLES_AREA 4K
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SYSTEM_MEMORY_AREA 3k
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SYSTEM_MEMORY total size is 3k
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it is divided as following:
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TIME_MEMORY_AREA 8B
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-----------------------------------------------------------*/
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#define SEP_DEV_NAME "sep_sec_driver"
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#define SEP_DEV_SINGLETON "sep_sec_singleton_driver"
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#define SEP_DEV_DAEMON "sep_req_daemon_driver"
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/*
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the minimum length of the message - includes 2 reserved fields
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at the start, then token, message size and opcode fields. all dwords
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*/
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#define SEP_DRIVER_MIN_MESSAGE_SIZE_IN_BYTES (5*sizeof(u32))
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/*
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the maximum length of the message - the rest of the message shared
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area will be dedicated to the dma lli tables
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*/
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#define SEP_DRIVER_MAX_MESSAGE_SIZE_IN_BYTES (8 * 1024)
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/* the size of the message shared area in pages */
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#define SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES (8 * 1024)
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/* the size of the data pool static area in pages */
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#define SEP_DRIVER_STATIC_AREA_SIZE_IN_BYTES (4 * 1024)
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/* the size of the data pool shared area size in pages */
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#define SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES (16 * 1024)
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/* the size of the message shared area in pages */
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#define SYNCHRONIC_DMA_TABLES_AREA_SIZE_BYTES (1024 * 29)
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/* Placeholder until driver changes */
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#define SEP_DRIVER_FLOW_DMA_TABLES_AREA_SIZE_IN_BYTES (1024 * 4)
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/* system data (time, caller id etc') pool */
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#define SEP_DRIVER_SYSTEM_DATA_MEMORY_SIZE_IN_BYTES (1024 * 3)
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/* Offset of the sep printf buffer in the message area */
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#define SEP_DRIVER_PRINTF_OFFSET_IN_BYTES (5888)
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/* the size in bytes of the time memory */
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#define SEP_DRIVER_TIME_MEMORY_SIZE_IN_BYTES 8
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/* the size in bytes of the RAR parameters memory */
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#define SEP_DRIVER_SYSTEM_RAR_MEMORY_SIZE_IN_BYTES 8
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/* area size that is mapped - we map the MESSAGE AREA, STATIC POOL and
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DATA POOL areas. area must be module 4k */
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#define SEP_DRIVER_MMMAP_AREA_SIZE (1024 * 28)
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/*-----------------------------------------------
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offsets of the areas starting from the shared area start address
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*/
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/* message area offset */
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#define SEP_DRIVER_MESSAGE_AREA_OFFSET_IN_BYTES 0
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/* static pool area offset */
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#define SEP_DRIVER_STATIC_AREA_OFFSET_IN_BYTES \
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(SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES)
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/* data pool area offset */
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#define SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES \
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(SEP_DRIVER_STATIC_AREA_OFFSET_IN_BYTES + \
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SEP_DRIVER_STATIC_AREA_SIZE_IN_BYTES)
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/* synchronic dma tables area offset */
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#define SYNCHRONIC_DMA_TABLES_AREA_OFFSET_BYTES \
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(SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES + \
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SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES)
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/* system memory offset in bytes */
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#define SEP_DRIVER_SYSTEM_DATA_MEMORY_OFFSET_IN_BYTES \
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(SYNCHRONIC_DMA_TABLES_AREA_OFFSET_BYTES + \
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SYNCHRONIC_DMA_TABLES_AREA_SIZE_BYTES)
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/* offset of the time area */
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#define SEP_DRIVER_SYSTEM_TIME_MEMORY_OFFSET_IN_BYTES \
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(SEP_DRIVER_SYSTEM_DATA_MEMORY_OFFSET_IN_BYTES)
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/* offset of the RAR area */
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#define SEP_DRIVER_SYSTEM_RAR_MEMORY_OFFSET_IN_BYTES \
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(SEP_DRIVER_SYSTEM_TIME_MEMORY_OFFSET_IN_BYTES + \
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SEP_DRIVER_TIME_MEMORY_SIZE_IN_BYTES)
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/* offset of the caller id area */
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#define SEP_CALLER_ID_OFFSET_BYTES \
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(SEP_DRIVER_SYSTEM_RAR_MEMORY_OFFSET_IN_BYTES + \
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SEP_DRIVER_SYSTEM_RAR_MEMORY_SIZE_IN_BYTES)
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/* offset of the DCB area */
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#define SEP_DRIVER_SYSTEM_DCB_MEMORY_OFFSET_IN_BYTES \
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(SEP_DRIVER_SYSTEM_DATA_MEMORY_OFFSET_IN_BYTES + \
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0x400)
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/* offset of the ext cache area */
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#define SEP_DRIVER_SYSTEM_EXT_CACHE_ADDR_OFFSET_IN_BYTES \
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SEP_DRIVER_SYSTEM_RAR_MEMORY_OFFSET_IN_BYTES
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/* offset of the allocation data pointer area */
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#define SEP_DRIVER_DATA_POOL_ALLOCATION_OFFSET_IN_BYTES \
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(SEP_CALLER_ID_OFFSET_BYTES + \
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SEP_CALLER_ID_HASH_SIZE_IN_BYTES)
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/* the token that defines the start of time address */
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#define SEP_TIME_VAL_TOKEN 0x12345678
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#define FAKE_RAR_SIZE (1024*1024) /* used only for mfld */
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/* DEBUG LEVEL MASKS */
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/* size of the caller id hash (sha2) */
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#define SEP_CALLER_ID_HASH_SIZE_IN_BYTES 32
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/* size of the caller id hash (sha2) in 32 bit words */
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#define SEP_CALLER_ID_HASH_SIZE_IN_WORDS 8
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/* maximum number of entries in the caller id table */
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#define SEP_CALLER_ID_TABLE_NUM_ENTRIES 20
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/* maximum number of symetric operation (that require DMA resource)
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per one message */
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#define SEP_MAX_NUM_SYNC_DMA_OPS 16
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/* the token that defines the start of time address */
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#define SEP_RAR_VAL_TOKEN 0xABABABAB
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/* ioctl error that should be returned when trying
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to realloc the cache/resident second time */
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#define SEP_ALREADY_INITIALIZED_ERR 12
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/* bit that locks access to the shared area */
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#define SEP_TRANSACTION_STARTED_LOCK_BIT 0
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/* bit that lock access to the poll - after send_command */
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#define SEP_WORKING_LOCK_BIT 1
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/* the token that defines the static pool address address */
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#define SEP_STATIC_POOL_VAL_TOKEN 0xABBAABBA
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/* the token that defines the data pool pointers address */
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#define SEP_DATA_POOL_POINTERS_VAL_TOKEN 0xEDDEEDDE
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/* the token that defines the data pool pointers address */
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#define SEP_EXT_CACHE_ADDR_VAL_TOKEN 0xBABABABA
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/* Time limit for SEP to finish */
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#define WAIT_TIME 10
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/* Delay for pm runtime suspend (reduces pm thrashing with bursty traffic */
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#define SUSPEND_DELAY 10
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/* Number of delays to wait until scu boots after runtime resume */
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#define SCU_DELAY_MAX 50
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/* Delay for each iteration (usec) wait for scu boots after runtime resume */
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#define SCU_DELAY_ITERATION 10
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/*
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* Bits used in struct sep_call_status to check that
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* driver's APIs are called in valid order
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*/
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/* Bit offset which indicates status of sep_write() */
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#define SEP_FASTCALL_WRITE_DONE_OFFSET 0
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/* Bit offset which indicates status of sep_mmap() */
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#define SEP_LEGACY_MMAP_DONE_OFFSET 1
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/* Bit offset which indicates status of the SEP_IOCSENDSEPCOMMAND ioctl */
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#define SEP_LEGACY_SENDMSG_DONE_OFFSET 2
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/* Bit offset which indicates status of sep_poll() */
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#define SEP_LEGACY_POLL_DONE_OFFSET 3
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/* Bit offset which indicates status of the SEP_IOCENDTRANSACTION ioctl */
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#define SEP_LEGACY_ENDTRANSACTION_DONE_OFFSET 4
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/*
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* Used to limit number of concurrent processes
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* allowed to allocate dynamic buffers in fastcall
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* interface.
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*/
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#define SEP_DOUBLEBUF_USERS_LIMIT 3
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/* Identifier for valid fastcall header */
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#define SEP_FC_MAGIC 0xFFAACCAA
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/*
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* Used for enabling driver runtime power management.
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* Useful for enabling/disabling it during performance
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* testing
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*/
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#define SEP_ENABLE_RUNTIME_PM
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#endif /* SEP DRIVER CONFIG */
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