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//===-- Kernel.td - Kernel definitions for Offload ---------*- tablegen -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file contains Offload API definitions related to launching kernels
//
//===----------------------------------------------------------------------===//
def : Struct {
let name = "ol_kernel_launch_size_args_t";
let desc = "Size-related arguments for a kernel launch.";
let members = [
StructMember<"size_t", "Dimensions", "Number of work dimensions">,
StructMember<"struct ol_dimensions_t", "NumGroups", "Number of work groups in each dimension">,
StructMember<"struct ol_dimensions_t", "GroupSize", "Size of a work group in each dimension">,
StructMember<"size_t", "DynSharedMemory", "Size of dynamic shared memory in bytes.">
];
}
def : Function {
let name = "olLaunchKernel";
let desc = "Enqueue a kernel launch with the specified size and parameters.";
let details = [
"If a queue is not specified, kernel execution happens synchronously",
"ArgumentsData may be set to NULL (to indicate no parameters)"
];
let params = [
Param<"ol_queue_handle_t", "Queue", "handle of the queue", PARAM_IN_OPTIONAL>,
Param<"ol_device_handle_t", "Device", "handle of the device to execute on", PARAM_IN>,
Param<"ol_symbol_handle_t", "Kernel", "handle of the kernel", PARAM_IN>,
Param<"const void*", "ArgumentsData", "pointer to the kernel argument struct", PARAM_IN_OPTIONAL>,
Param<"size_t", "ArgumentsSize", "size of the kernel argument struct", PARAM_IN>,
Param<"const ol_kernel_launch_size_args_t*", "LaunchSizeArgs", "pointer to the struct containing launch size parameters", PARAM_IN>,
];
let returns = [
Return<"OL_ERRC_INVALID_ARGUMENT", ["`ArgumentsSize > 0 && ArgumentsData == NULL`"]>,
Return<"OL_ERRC_INVALID_DEVICE", ["If Queue is non-null but does not belong to Device"]>,
Return<"OL_ERRC_SYMBOL_KIND", ["The provided symbol is not a kernel"]>,
];
}
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