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/******************************************************************************
* Copyright (c) 2013-2014, Texas Instruments Incorporated - http://www.ti.com/
* 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 of Texas Instruments Incorporated 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 __MESSAGE_H_
#define __MESSAGE_H_
#include <stdint.h>
typedef enum { READY, EXIT, TASK, NDRKERNEL, WORKGROUP, CACHEINV, FREQUENCY, SUCCESS, ERROR, PRINT } command_codes;
#define MAX_KERNEL_ARGUMENTS 10
#define MAX_ARG_BUF_SIZE (MAX_KERNEL_ARGUMENTS*3)+1
#define MAX_FLUSH_BUF_SIZE (MAX_KERNEL_ARGUMENTS*2)
#define MAX_XMCSES_MPAXS 7
#define FIRST_FREE_XMC_MPAX 3 // XMC MPAXs available: 3 - F
#define FIRST_FREE_SES_MPAX 1 // SES MPAXs available: 1 - 7
/******************************************************************************
* Need to ensure that the alignments and therefore the offsets of all fields
* are consistent between the host and the device.
******************************************************************************/
typedef struct
{
uint32_t num_dims;
uint32_t global_sz_0;
uint32_t global_sz_1;
uint32_t global_sz_2;
uint32_t local_sz_0;
uint32_t local_sz_1;
uint32_t local_sz_2;
uint32_t global_off_0;
uint32_t global_off_1;
uint32_t global_off_2;
uint32_t WG_gid_start_0;
uint32_t WG_gid_start_1;
uint32_t WG_gid_start_2;
uint32_t Kernel_id;
uint32_t WG_id;
uint32_t stats;
uint32_t WG_alloca_start;
uint32_t WG_alloca_size;
} kernel_config_t;
typedef struct
{
uint8_t numBuffers;
uint8_t num_mpaxs; // TODO: XMC only mpax for kernel alloca memory
uint16_t sizeMoreArgs;
uint32_t buffers[MAX_FLUSH_BUF_SIZE];
uint32_t mpax_settings[2*MAX_XMCSES_MPAXS]; // (MPAXL, MPAXH) pair
} flush_msg_t;
typedef struct
{
kernel_config_t config;
uint32_t entry_point;
uint32_t data_page_ptr;
uint32_t argBuf[MAX_ARG_BUF_SIZE]; // NULL size terminated
} kernel_msg_t;
typedef struct
{
command_codes command;
union
{
struct
{
kernel_msg_t kernel;
flush_msg_t flush;
} k;
char message[sizeof(kernel_msg_t) + sizeof(flush_msg_t)];
} u;
} Msg_t;
static Msg_t exitMsg = {EXIT};
static Msg_t successMsg = {SUCCESS};
static Msg_t readyMsg = {READY};
static Msg_t errorMsg = {ERROR};
static Msg_t frequencyMsg = {FREQUENCY};
// static far Msg_t printMsg = {PRINT}; // moved to L2 in monitor
static const uint32_t mbox_payload = sizeof(Msg_t);
#define MBOX_SIZE 0x2000
#define IN_ORDER_TASK_SIZE 1
#define OUT_OF_ORDER_TASK_SIZE (IN_ORDER_TASK_SIZE+1)
#endif
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