81 lines
3.0 KiB
C
81 lines
3.0 KiB
C
/* pocl_device.h - global pocl declarations to be used in the device binaries in
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case applicable by the target
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Copyright (c) 2012-2018 Pekka Jääskeläinen / Tampere University of Technology
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#ifndef POCL_DEVICE_H
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#define POCL_DEVICE_H
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#include "pocl_types.h"
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#define MAX_KERNEL_ARGS 64
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#define MAX_KERNEL_NAME_LENGTH 64
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/* Metadata of a single kernel stored in the device.*/
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typedef struct {
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const uchar name[MAX_KERNEL_NAME_LENGTH];
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ushort num_args;
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ushort num_locals;
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void *work_group_func;
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} __kernel_metadata;
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#ifdef _MSC_VER
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#define ALIGN4(x) __declspec(align(4)) x
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#define ALIGN8(x) __declspec(align(4)) x
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#else
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#define ALIGN4(x) x __attribute__ ((aligned (4)))
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#define ALIGN8(x) x __attribute__ ((aligned (8)))
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#endif
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/* A kernel invocation command. */
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typedef struct {
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/* The execution status of this queue slot. */
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ALIGN8(uint status);
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/* The kernel to execute. Points to the metadata in the device global
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memory. It will be casted to a __kernel_metadata* */
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ALIGN8(uint kernel);
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/* Pointers to the kernel arguments in the global memory. Will be
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casted to 32 bit void* */
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ALIGN8(uint args[MAX_KERNEL_ARGS]);
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/* Sizes of the dynamically allocated local buffers. */
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/* uint32_t dynamic_local_arg_sizes[MAX_KERNEL_ARGS] ALIGN4; */
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/* Number of dimensions in the work space. */
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ALIGN4(uint work_dim);
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ALIGN4(uint num_groups[3]);
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ALIGN4(uint global_offset[3]);
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} __kernel_exec_cmd;
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/* Kernel execution statuses. */
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/* The invocation entry is free to use. */
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#define POCL_KST_FREE 1
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/* The kernel structure has been populated and is waiting to be
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executed. */
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#define POCL_KST_READY 2
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/* The kernel is currently running in the device. */
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#define POCL_KST_RUNNING 3
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/* The kernel has finished execution. The results can be collected and the
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execution entry be freed (by writing POCL_KST_FREE to the status). */
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#define POCL_KST_FINISHED 4
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#endif
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