drivers/net/wireless/iwlwifi/iwl-testmode.h

/******************************************************************************
 *
 * This file is provided under a dual BSD/GPLv2 license.  When using or
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 *
 * Copyright(c) 2010 - 2013 Intel Corporation. All rights reserved.
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 * in the file called LICENSE.GPL.
 *
 * Contact Information:
 *  Intel Linux Wireless <ilw@linux.intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 * BSD LICENSE
 *
 * Copyright(c) 2010 - 2013 Intel Corporation. All rights reserved.
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 *****************************************************************************/
#ifndef __IWL_TESTMODE_H__
#define __IWL_TESTMODE_H__

#include <linux/types.h>


/*
 * Commands from user space to kernel space(IWL_TM_CMD_ID_APP2DEV_XX) and
 * from and kernel space to user space(IWL_TM_CMD_ID_DEV2APP_XX).
 * The command ID is carried with IWL_TM_ATTR_COMMAND.
 *
 * @IWL_TM_CMD_APP2DEV_UCODE:
 *	commands from user application to the uCode,
 *	the actual uCode host command ID is carried with
 *	IWL_TM_ATTR_UCODE_CMD_ID
 *
 * @IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32:
 * @IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32:
 * @IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8:
 *	commands from user applicaiton to access register
 *
 * @IWL_TM_CMD_APP2DEV_GET_DEVICENAME: retrieve device name
 * @IWL_TM_CMD_APP2DEV_LOAD_INIT_FW: load initial uCode image
 * @IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB: perform calibration
 * @IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW: load runtime uCode image
 * @IWL_TM_CMD_APP2DEV_GET_EEPROM: request EEPROM data
 * @IWL_TM_CMD_APP2DEV_FIXRATE_REQ: set fix MCS
 *	commands fom user space for pure driver level operations
 *
 * @IWL_TM_CMD_APP2DEV_BEGIN_TRACE:
 * @IWL_TM_CMD_APP2DEV_END_TRACE:
 * @IWL_TM_CMD_APP2DEV_READ_TRACE:
 *	commands fom user space for uCode trace operations
 *
 * @IWL_TM_CMD_DEV2APP_SYNC_RSP:
 *	commands from kernel space to carry the synchronous response
 *	to user application
 * @IWL_TM_CMD_DEV2APP_UCODE_RX_PKT:
 *	commands from kernel space to multicast the spontaneous messages
 *	to user application, or reply of host commands
 * @IWL_TM_CMD_DEV2APP_EEPROM_RSP:
 *	commands from kernel space to carry the eeprom response
 *	to user application
 *
 * @IWL_TM_CMD_APP2DEV_OWNERSHIP:
 *	commands from user application to own change the ownership of the uCode
 *	if application has the ownership, the only host command from
 *	testmode will deliver to uCode. Default owner is driver
 *
 * @IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW: load Wake On Wireless LAN uCode image
 * @IWL_TM_CMD_APP2DEV_GET_FW_VERSION: retrieve uCode version
 * @IWL_TM_CMD_APP2DEV_GET_DEVICE_ID: retrieve ID information in device
 * @IWL_TM_CMD_APP2DEV_GET_FW_INFO:
 *	retrieve information of existing loaded uCode image
 *
 * @IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_READ:
 * @IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_DUMP:
 * @IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_WRITE:
 *	Commands to read/write data from periphery or SRAM memory ranges.
 *	Fore reading, a READ command is sent from the userspace and the data
 *	is returned when the user calls a DUMP command.
 *	For writing, only a WRITE command is used.
 * @IWL_TM_CMD_APP2DEV_NOTIFICATIONS:
 *	Command to enable/disable notifications (currently RX packets) from the
 *	driver to userspace.
 */
enum iwl_tm_cmd_t {
	IWL_TM_CMD_APP2DEV_UCODE		= 1,
	IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32	= 2,
	IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32	= 3,
	IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8	= 4,
	IWL_TM_CMD_APP2DEV_GET_DEVICENAME	= 5,
	IWL_TM_CMD_APP2DEV_LOAD_INIT_FW		= 6,
	IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB	= 7,
	IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW	= 8,
	IWL_TM_CMD_APP2DEV_GET_EEPROM		= 9,
	IWL_TM_CMD_APP2DEV_FIXRATE_REQ		= 10,
	IWL_TM_CMD_APP2DEV_BEGIN_TRACE		= 11,
	IWL_TM_CMD_APP2DEV_END_TRACE		= 12,
	IWL_TM_CMD_APP2DEV_READ_TRACE		= 13,
	IWL_TM_CMD_DEV2APP_SYNC_RSP		= 14,
	IWL_TM_CMD_DEV2APP_UCODE_RX_PKT		= 15,
	IWL_TM_CMD_DEV2APP_EEPROM_RSP		= 16,
	IWL_TM_CMD_APP2DEV_OWNERSHIP		= 17,
	RESERVED_18				= 18,
	RESERVED_19				= 19,
	RESERVED_20				= 20,
	RESERVED_21				= 21,
	IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW	= 22,
	IWL_TM_CMD_APP2DEV_GET_FW_VERSION	= 23,
	IWL_TM_CMD_APP2DEV_GET_DEVICE_ID	= 24,
	IWL_TM_CMD_APP2DEV_GET_FW_INFO		= 25,
	IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_READ = 26,
	IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_DUMP = 27,
	IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_WRITE = 28,
	IWL_TM_CMD_APP2DEV_NOTIFICATIONS	= 29,
	IWL_TM_CMD_MAX				= 30,
};

/*
 * Atrribute filed in testmode command
 * See enum iwl_tm_cmd_t.
 *
 * @IWL_TM_ATTR_NOT_APPLICABLE:
 *	The attribute is not applicable or invalid
 * @IWL_TM_ATTR_COMMAND:
 *	From user space to kernel space:
 *	the command either destines to ucode, driver, or register;
 *	From kernel space to user space:
 *	the command either carries synchronous response,
 *	or the spontaneous message multicast from the device;
 *
 * @IWL_TM_ATTR_UCODE_CMD_ID:
 * @IWL_TM_ATTR_UCODE_CMD_DATA:
 *	When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_UCODE,
 *	The mandatory fields are :
 *	IWL_TM_ATTR_UCODE_CMD_ID for recognizable command ID;
 *	IWL_TM_ATTR_UCODE_CMD_DATA for the actual command payload
 *	to the ucode
 *
 * @IWL_TM_ATTR_REG_OFFSET:
 * @IWL_TM_ATTR_REG_VALUE8:
 * @IWL_TM_ATTR_REG_VALUE32:
 *	When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_REG_XXX,
 *	The mandatory fields are:
 *	IWL_TM_ATTR_REG_OFFSET for the offset of the target register;
 *	IWL_TM_ATTR_REG_VALUE8 or IWL_TM_ATTR_REG_VALUE32 for value
 *
 * @IWL_TM_ATTR_SYNC_RSP:
 *	When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_DEV2APP_SYNC_RSP,
 *	The mandatory fields are:
 *	IWL_TM_ATTR_SYNC_RSP for the data content responding to the user
 *	application command
 *
 * @IWL_TM_ATTR_UCODE_RX_PKT:
 *	When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_DEV2APP_UCODE_RX_PKT,
 *	The mandatory fields are:
 *	IWL_TM_ATTR_UCODE_RX_PKT for the data content multicast to the user
 *	application
 *
 * @IWL_TM_ATTR_EEPROM:
 *	When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_DEV2APP_EEPROM,
 *	The mandatory fields are:
 *	IWL_TM_ATTR_EEPROM for the data content responging to the user
 *	application
 *
 * @IWL_TM_ATTR_TRACE_ADDR:
 * @IWL_TM_ATTR_TRACE_SIZE:
 * @IWL_TM_ATTR_TRACE_DUMP:
 *	When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_XXX_TRACE,
 *	The mandatory fields are:
 *	IWL_TM_ATTR_MEM_TRACE_ADDR for the trace address
 *	IWL_TM_ATTR_MEM_TRACE_SIZE for the trace buffer size
 *	IWL_TM_ATTR_MEM_TRACE_DUMP for the trace dump
 *
 * @IWL_TM_ATTR_FIXRATE:
 *	When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_FIXRATE_REQ,
 *	The mandatory fields are:
 *	IWL_TM_ATTR_FIXRATE for the fixed rate
 *
 * @IWL_TM_ATTR_UCODE_OWNER:
 *	When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_OWNERSHIP,
 *	The mandatory fields are:
 *	IWL_TM_ATTR_UCODE_OWNER for the new owner
 *
 * @IWL_TM_ATTR_MEM_ADDR:
 * @IWL_TM_ATTR_BUFFER_SIZE:
 *	When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_READ
 *	or IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_WRITE.
 *	The mandatory fields are:
 *	IWL_TM_ATTR_MEM_ADDR for the address in SRAM/periphery to read/write
 *	IWL_TM_ATTR_BUFFER_SIZE for the buffer size of data to read/write.
 *
 * @IWL_TM_ATTR_BUFFER_DUMP:
 *	When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_DUMP,
 *	IWL_TM_ATTR_BUFFER_DUMP is used for the data that was read.
 *	When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_WRITE,
 *	this attribute contains the data to write.
 *
 * @IWL_TM_ATTR_FW_VERSION:
 *	When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_GET_FW_VERSION,
 *	IWL_TM_ATTR_FW_VERSION for the uCode version
 *
 * @IWL_TM_ATTR_DEVICE_ID:
 *	When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_GET_DEVICE_ID,
 *	IWL_TM_ATTR_DEVICE_ID for the device ID information
 *
 * @IWL_TM_ATTR_FW_TYPE:
 * @IWL_TM_ATTR_FW_INST_SIZE:
 * @IWL_TM_ATTR_FW_DATA_SIZE:
 *	When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_GET_FW_INFO,
 *	The mandatory fields are:
 *	IWL_TM_ATTR_FW_TYPE for the uCode type (INIT/RUNTIME/...)
 *	IWL_TM_ATTR_FW_INST_SIZE for the size of instruction section
 *	IWL_TM_ATTR_FW_DATA_SIZE for the size of data section
 *
 * @IWL_TM_ATTR_UCODE_CMD_SKB:
 *	When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_UCODE this flag
 *	indicates that the user wants to receive the response of the command
 *	in a reply SKB. If it's not present, the response is not returned.
 * @IWL_TM_ATTR_ENABLE_NOTIFICATIONS:
 *	When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_NOTIFICATIONS, this
 *	flag enables (if present) or disables (if not) the forwarding
 *	to userspace.
 */
enum iwl_tm_attr_t {
	IWL_TM_ATTR_NOT_APPLICABLE		= 0,
	IWL_TM_ATTR_COMMAND			= 1,
	IWL_TM_ATTR_UCODE_CMD_ID		= 2,
	IWL_TM_ATTR_UCODE_CMD_DATA		= 3,
	IWL_TM_ATTR_REG_OFFSET			= 4,
	IWL_TM_ATTR_REG_VALUE8			= 5,
	IWL_TM_ATTR_REG_VALUE32			= 6,
	IWL_TM_ATTR_SYNC_RSP			= 7,
	IWL_TM_ATTR_UCODE_RX_PKT		= 8,
	IWL_TM_ATTR_EEPROM			= 9,
	IWL_TM_ATTR_TRACE_ADDR			= 10,
	IWL_TM_ATTR_TRACE_SIZE			= 11,
	IWL_TM_ATTR_TRACE_DUMP			= 12,
	IWL_TM_ATTR_FIXRATE			= 13,
	IWL_TM_ATTR_UCODE_OWNER			= 14,
	IWL_TM_ATTR_MEM_ADDR			= 15,
	IWL_TM_ATTR_BUFFER_SIZE			= 16,
	IWL_TM_ATTR_BUFFER_DUMP			= 17,
	IWL_TM_ATTR_FW_VERSION			= 18,
	IWL_TM_ATTR_DEVICE_ID			= 19,
	IWL_TM_ATTR_FW_TYPE			= 20,
	IWL_TM_ATTR_FW_INST_SIZE		= 21,
	IWL_TM_ATTR_FW_DATA_SIZE		= 22,
	IWL_TM_ATTR_UCODE_CMD_SKB		= 23,
	IWL_TM_ATTR_ENABLE_NOTIFICATION		= 24,
	IWL_TM_ATTR_MAX				= 25,
};

/* uCode trace buffer */
#define TRACE_BUFF_SIZE_MAX	0x200000
#define TRACE_BUFF_SIZE_MIN	0x20000
#define TRACE_BUFF_SIZE_DEF	TRACE_BUFF_SIZE_MIN
#define TRACE_BUFF_PADD		0x2000

/* Maximum data size of each dump it packet */
#define DUMP_CHUNK_SIZE		(PAGE_SIZE - 1024)

/* Address offset of data segment in SRAM */
#define SRAM_DATA_SEG_OFFSET   0x800000

#endif