xref: /hardware/ti/omap4-aah/security/tf_daemon/service_delegation_protocol.h

/**
 * Copyright(c) 2011 Trusted Logic.   All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  * Neither the name Trusted Logic nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * 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 MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * 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 DAMAGE.
 */

#ifndef __SERVICE_DELEGATION_PROTOCOL_H__
#define __SERVICE_DELEGATION_PROTOCOL_H__

#include "s_type.h"

/* -----------------------------------------------------------------------------
   UUID
----------------------------------------------------------------------------- */
/** Service Identifier: {71139E60-ECAE-11DF-98CF-0800200C9A66} */
#define SERVICE_DELEGATION_UUID { 0x71139e60, 0xecae, 0x11df, { 0x98, 0xcf, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66 } }


/* -----------------------------------------------------------------------------
   Command identifiers
----------------------------------------------------------------------------- */
/* See your Product Reference Manual for a specification of the delegation protocol */

/**
 * Command identifier : get instruction
 *
 */
#define SERVICE_DELEGATION_GET_INSTRUCTIONS      0x00000002

/* Instruction codes */
#define DELEGATION_INSTRUCTION_SHUTDOWN             0xF0
#define DELEGATION_INSTRUCTION_NOTIFY               0xE0

/* Partition-specific instruction codes (high-nibble encodes the partition identifier) */
#define DELEGATION_INSTRUCTION_PARTITION_CREATE     0x01
#define DELEGATION_INSTRUCTION_PARTITION_OPEN       0x02
#define DELEGATION_INSTRUCTION_PARTITION_READ       0x03
#define DELEGATION_INSTRUCTION_PARTITION_WRITE      0x04
#define DELEGATION_INSTRUCTION_PARTITION_SET_SIZE   0x05
#define DELEGATION_INSTRUCTION_PARTITION_SYNC       0x06
#define DELEGATION_INSTRUCTION_PARTITION_CLOSE      0x07
#define DELEGATION_INSTRUCTION_PARTITION_DESTROY    0x08

#define DELEGATION_NOTIFY_TYPE_ERROR                0x000000E1
#define DELEGATION_NOTIFY_TYPE_WARNING              0x000000E2
#define DELEGATION_NOTIFY_TYPE_INFO                 0x000000E3
#define DELEGATION_NOTIFY_TYPE_DEBUG                0x000000E4

#ifdef SUPPORT_RPMB_PARTITION
#define RPMB_PARTITION_ID                 14
#endif

typedef struct
{
   uint32_t nInstructionID;
} DELEGATION_GENERIC_INSTRUCTION;

typedef struct
{
   uint32_t nInstructionID;
   uint32_t nMessageType;
   uint32_t nMessageSize;
   char     nMessage[1];
} DELEGATION_NOTIFY_INSTRUCTION;

typedef struct
{
   uint32_t nInstructionID;
   uint32_t nSectorID;
   uint32_t nWorkspaceOffset;
} DELEGATION_RW_INSTRUCTION;

#ifdef SUPPORT_RPMB_PARTITION
typedef struct
{
   uint32_t nInstructionID;
   uint8_t  nMAC[32];
   uint32_t nWorkspaceOffset[16];
   uint8_t  pNonce[16];
   uint32_t nMC;
   uint16_t nAddr;
   uint16_t nBlockCount;
   uint16_t nResult;
   uint16_t nRequest;
} DELEGATION_RPMB_INSTRUCTION;
#endif

typedef struct
{
   uint32_t nInstructionID;
   uint32_t nNewSize;
} DELEGATION_SET_SIZE_INSTRUCTION;

typedef union
{
   DELEGATION_GENERIC_INSTRUCTION    sGeneric;
   DELEGATION_NOTIFY_INSTRUCTION     sNotify;
   DELEGATION_RW_INSTRUCTION         sReadWrite;
   DELEGATION_SET_SIZE_INSTRUCTION   sSetSize;
#ifdef SUPPORT_RPMB_PARTITION
   DELEGATION_RPMB_INSTRUCTION       sAuthRW;
#endif
} DELEGATION_INSTRUCTION;

typedef struct
{
   uint32_t    nSyncExecuted;
   uint32_t    nPartitionErrorStates[16];
   uint32_t    nPartitionOpenSizes[16];
} DELEGATION_ADMINISTRATIVE_DATA;

#endif /* __SERVICE_DELEGATION_PROTOCOL_H__ */