diff options
Diffstat (limited to 'drivers/staging/sep/sep_driver_config.h')
| -rw-r--r-- | drivers/staging/sep/sep_driver_config.h | 79 |
1 files changed, 67 insertions, 12 deletions
diff --git a/drivers/staging/sep/sep_driver_config.h b/drivers/staging/sep/sep_driver_config.h index d6bfd2455222..fa7c0d09bfa5 100644 --- a/drivers/staging/sep/sep_driver_config.h +++ b/drivers/staging/sep/sep_driver_config.h @@ -2,8 +2,8 @@ * * sep_driver_config.h - Security Processor Driver configuration * - * Copyright(c) 2009,2010 Intel Corporation. All rights reserved. - * Contributions(c) 2009,2010 Discretix. All rights reserved. + * Copyright(c) 2009-2011 Intel Corporation. All rights reserved. + * Contributions(c) 2009-2011 Discretix. 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 @@ -26,6 +26,7 @@ * CHANGES: * * 2010.06.26 Upgrade to Medfield + * 2011.02.22 Enable kernel crypto * */ @@ -48,6 +49,8 @@ /* the mode for running on the ARM1172 Evaluation platform (flag is 1) */ #define SEP_DRIVER_ARM_DEBUG_MODE 0 +/* Critical message area contents for sanity checking */ +#define SEP_START_MSG_TOKEN 0x02558808 /*------------------------------------------- INTERNAL DATA CONFIGURATION -------------------------------------------*/ @@ -65,21 +68,17 @@ #define SEP_DRIVER_MIN_DATA_SIZE_PER_TABLE 16 /* flag that signifies tah the lock is -currently held by the process (struct file) */ +currently held by the proccess (struct file) */ #define SEP_DRIVER_OWN_LOCK_FLAG 1 /* flag that signifies tah the lock is currently NOT -held by the process (struct file) */ +held by the proccess (struct file) */ #define SEP_DRIVER_DISOWN_LOCK_FLAG 0 /* indicates whether driver has mapped/unmapped shared area */ #define SEP_REQUEST_DAEMON_MAPPED 1 #define SEP_REQUEST_DAEMON_UNMAPPED 0 -#define SEP_DEV_NAME "sep_sec_driver" -#define SEP_DEV_SINGLETON "sep_sec_singleton_driver" -#define SEP_DEV_DAEMON "sep_req_daemon_driver" - /*-------------------------------------------------------- SHARED AREA memory total size is 36K it is divided is following: @@ -90,7 +89,7 @@ held by the process (struct file) */ } DATA_POOL_AREA 12K } - SYNCHRONIC_DMA_TABLES_AREA 5K + SYNCHRONIC_DMA_TABLES_AREA 29K placeholder until drver changes FLOW_DMA_TABLES_AREA 4K @@ -109,6 +108,12 @@ held by the process (struct file) */ /* + the minimum length of the message - includes 2 reserved fields + at the start, then token, message size and opcode fields. all dwords +*/ +#define SEP_DRIVER_MIN_MESSAGE_SIZE_IN_BYTES (5*sizeof(u32)) + +/* the maximum length of the message - the rest of the message shared area will be dedicated to the dma lli tables */ @@ -124,7 +129,7 @@ held by the process (struct file) */ #define SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES (16 * 1024) /* the size of the message shared area in pages */ -#define SYNCHRONIC_DMA_TABLES_AREA_SIZE_BYTES (1024 * 5) +#define SYNCHRONIC_DMA_TABLES_AREA_SIZE_BYTES (1024 * 29) /* Placeholder until driver changes */ #define SEP_DRIVER_FLOW_DMA_TABLES_AREA_SIZE_IN_BYTES (1024 * 4) @@ -132,6 +137,9 @@ held by the process (struct file) */ /* system data (time, caller id etc') pool */ #define SEP_DRIVER_SYSTEM_DATA_MEMORY_SIZE_IN_BYTES (1024 * 3) +/* Offset of the sep printf buffer in the message area */ +#define SEP_DRIVER_PRINTF_OFFSET_IN_BYTES (5888) + /* the size in bytes of the time memory */ #define SEP_DRIVER_TIME_MEMORY_SIZE_IN_BYTES 8 @@ -223,10 +231,10 @@ held by the process (struct file) */ #define SEP_ALREADY_INITIALIZED_ERR 12 /* bit that locks access to the shared area */ -#define SEP_MMAP_LOCK_BIT 0 +#define SEP_TRANSACTION_STARTED_LOCK_BIT 0 /* bit that lock access to the poll - after send_command */ -#define SEP_SEND_MSG_LOCK_BIT 1 +#define SEP_WORKING_LOCK_BIT 1 /* the token that defines the static pool address address */ #define SEP_STATIC_POOL_VAL_TOKEN 0xABBAABBA @@ -240,4 +248,51 @@ held by the process (struct file) */ /* Time limit for SEP to finish */ #define WAIT_TIME 10 +/* Delay for pm runtime suspend (reduces pm thrashing with bursty traffic */ +#define SUSPEND_DELAY 10 + +/* Number of delays to wait until scu boots after runtime resume */ +#define SCU_DELAY_MAX 50 + +/* Delay for each iteration (usec) wait for scu boots after runtime resume */ +#define SCU_DELAY_ITERATION 10 + + +/* + * Bits used in struct sep_call_status to check that + * driver's APIs are called in valid order + */ + +/* Bit offset which indicates status of sep_write() */ +#define SEP_FASTCALL_WRITE_DONE_OFFSET 0 + +/* Bit offset which indicates status of sep_mmap() */ +#define SEP_LEGACY_MMAP_DONE_OFFSET 1 + +/* Bit offset which indicates status of the SEP_IOCSENDSEPCOMMAND ioctl */ +#define SEP_LEGACY_SENDMSG_DONE_OFFSET 2 + +/* Bit offset which indicates status of sep_poll() */ +#define SEP_LEGACY_POLL_DONE_OFFSET 3 + +/* Bit offset which indicates status of the SEP_IOCENDTRANSACTION ioctl */ +#define SEP_LEGACY_ENDTRANSACTION_DONE_OFFSET 4 + +/* + * Used to limit number of concurrent processes + * allowed to allocte dynamic buffers in fastcall + * interface. + */ +#define SEP_DOUBLEBUF_USERS_LIMIT 3 + +/* Identifier for valid fastcall header */ +#define SEP_FC_MAGIC 0xFFAACCAA + +/* + * Used for enabling driver runtime power management. + * Useful for enabling/disabling it during performance + * testing + */ +#define SEP_ENABLE_RUNTIME_PM + #endif /* SEP DRIVER CONFIG */ |