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/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Part of Intel(R) Manageability Engine Interface Linux driver
*
* Copyright (c) 2003 - 2008 Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
*/
#ifndef _HECI_INTERFACE_H_
#define _HECI_INTERFACE_H_
#define HBM_MINOR_VERSION 0
#define HBM_MAJOR_VERSION 1
#define HBM_TIMEOUT 1 /* 1 second */
#define HOST_START_REQ_CMD 0x01
#define HOST_START_RES_CMD 0x81
#define HOST_STOP_REQ_CMD 0x02
#define HOST_STOP_RES_CMD 0x82
#define ME_STOP_REQ_CMD 0x03
#define HOST_ENUM_REQ_CMD 0x04
#define HOST_ENUM_RES_CMD 0x84
#define HOST_CLIENT_PROPERTEIS_REQ_CMD 0x05
#define HOST_CLIENT_PROPERTEIS_RES_CMD 0x85
#define CLIENT_CONNECT_REQ_CMD 0x06
#define CLIENT_CONNECT_RES_CMD 0x86
#define CLIENT_DISCONNECT_REQ_CMD 0x07
#define CLIENT_DISCONNECT_RES_CMD 0x87
#define HECI_FLOW_CONTROL_CMD 0x08
#define AMT_WD_VALUE 120 /* seconds */
#define HECI_WATCHDOG_DATA_SIZE 16
#define HECI_START_WD_DATA_SIZE 20
#define HECI_WD_PARAMS_SIZE 4
#pragma pack(1)
/* IOCTL commands */
#define IOCTL_HECI_GET_VERSION \
_IOWR('H', 0x0, struct heci_message_data)
#define IOCTL_HECI_CONNECT_CLIENT \
_IOWR('H', 0x01, struct heci_message_data)
#define IOCTL_HECI_WD \
_IOWR('H', 0x02, struct heci_message_data)
#define IOCTL_HECI_BYPASS_WD \
_IOWR('H', 0x10, struct heci_message_data)
enum heci_stop_reason_types {
DRIVER_STOP_REQUEST = 0x00,
DEVICE_D1_ENTRY = 0x01,
DEVICE_D2_ENTRY = 0x02,
DEVICE_D3_ENTRY = 0x03,
SYSTEM_S1_ENTRY = 0x04,
SYSTEM_S2_ENTRY = 0x05,
SYSTEM_S3_ENTRY = 0x06,
SYSTEM_S4_ENTRY = 0x07,
SYSTEM_S5_ENTRY = 0x08
};
enum me_stop_reason_types {
FW_UPDATE = 0x00
};
enum client_connect_status_types {
CCS_SUCCESS = 0x00,
CCS_NOT_FOUND = 0x01,
CCS_ALREADY_STARTED = 0x02,
CCS_OUT_OF_RESOURCES = 0x03,
CCS_MESSAGE_SMALL = 0x04
};
enum client_disconnect_status_types {
CDS_SUCCESS = 0x00
};
/*
* heci interface function prototypes
*/
void heci_set_csr_register(struct iamt_heci_device *dev);
void heci_csr_enable_interrupts(struct iamt_heci_device *dev);
void heci_csr_disable_interrupts(struct iamt_heci_device *dev);
void heci_read_slots(struct iamt_heci_device *dev,
unsigned char *buffer, unsigned long buffer_length);
int heci_write_message(struct iamt_heci_device *dev,
struct heci_msg_hdr *header,
unsigned char *write_buffer,
unsigned long write_length);
int host_buffer_is_empty(struct iamt_heci_device *dev);
int32_t count_full_read_slots(struct iamt_heci_device *dev);
int32_t count_empty_write_slots(struct iamt_heci_device *dev);
int flow_ctrl_creds(struct iamt_heci_device *dev,
struct heci_file_private *file_ext);
int heci_send_wd(struct iamt_heci_device *dev);
void flow_ctrl_reduce(struct iamt_heci_device *dev,
struct heci_file_private *file_ext);
int heci_send_flow_control(struct iamt_heci_device *dev,
struct heci_file_private *file_ext);
int heci_disconnect(struct iamt_heci_device *dev,
struct heci_file_private *file_ext);
int other_client_is_connecting(struct iamt_heci_device *dev,
struct heci_file_private *file_ext);
int heci_connect(struct iamt_heci_device *dev,
struct heci_file_private *file_ext);
#endif /* _HECI_INTERFACE_H_ */
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