mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-28 21:49:33 +00:00
61 lines
2.0 KiB
C
61 lines
2.0 KiB
C
/* phsa_queue_interface.h -- Definition for a minimalistic generic in-memory
|
|
representation of a user mode queue to be used with the phsa/gccbrig
|
|
implementation.
|
|
|
|
Copyright (C) 2015-2019 Free Software Foundation, Inc.
|
|
Contributed by Pekka Jaaskelainen <pekka.jaaskelainen@parmance.com>
|
|
for General Processor Tech.
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a
|
|
copy of this software and associated documentation files
|
|
(the "Software"), to deal in the Software without restriction, including
|
|
without limitation the rights to use, copy, modify, merge, publish,
|
|
distribute, sublicense, and/or sell copies of the Software, and to
|
|
permit persons to whom the Software is furnished to do so, subject to
|
|
the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included
|
|
in all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
|
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
|
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
|
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
|
USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#ifndef PHSA_QUEUE_INTERFACE_H
|
|
#define PHSA_QUEUE_INTERFACE_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include <stdbool.h>
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
#include "hsa.h"
|
|
|
|
typedef __attribute__ ((aligned (64))) struct phsa_queue_s
|
|
{
|
|
/* An HSA Architectured Queue object. Must be in the beginning
|
|
of the struct to enable direct pointer casting between hsa_queue_
|
|
and phsa_queue_t. */
|
|
hsa_queue_t hsa_queue;
|
|
|
|
volatile uint64_t write_index;
|
|
volatile uint64_t read_index;
|
|
|
|
/* True if global mem addresses are 64b. */
|
|
uint64_t is_ptr64 : 1;
|
|
|
|
} phsa_queue_t;
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|