1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
//===-- Memory.td - Memory 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 memory allocations
//
//===----------------------------------------------------------------------===//
def : Enum {
let name = "ol_alloc_type_t";
let desc = "Represents the type of allocation made with olMemAlloc.";
let etors = [
Etor<"HOST", "Host allocation">,
Etor<"DEVICE", "Device allocation">,
Etor<"MANAGED", "Managed allocation">
];
}
def : Function {
let name = "olMemAlloc";
let desc = "Creates a memory allocation on the specified device.";
let params = [
Param<"ol_device_handle_t", "Device", "handle of the device to allocate on", PARAM_IN>,
Param<"ol_alloc_type_t", "Type", "type of the allocation", PARAM_IN>,
Param<"size_t", "Size", "size of the allocation in bytes", PARAM_IN>,
Param<"void**", "AllocationOut", "output for the allocated pointer", PARAM_OUT>
];
let returns = [
Return<"OL_ERRC_INVALID_SIZE", [
"`Size == 0`"
]>
];
}
def : Function {
let name = "olMemFree";
let desc = "Frees a memory allocation previously made by olMemAlloc.";
let params = [
Param<"void*", "Address", "address of the allocation to free", PARAM_IN>,
];
let returns = [];
}
def : Function {
let name = "olMemcpy";
let desc = "Enqueue a memcpy operation.";
let details = [
"For host pointers, use the host device belonging to the OL_PLATFORM_BACKEND_HOST platform.",
"If a queue is specified, at least one device must be a non-host device",
"If a queue is not specified, the memcpy happens synchronously"
];
let params = [
Param<"ol_queue_handle_t", "Queue", "handle of the queue.", PARAM_IN_OPTIONAL>,
Param<"void*", "DstPtr", "pointer to copy to", PARAM_IN>,
Param<"ol_device_handle_t", "DstDevice", "device that DstPtr belongs to", PARAM_IN>,
Param<"const void*", "SrcPtr", "pointer to copy from", PARAM_IN>,
Param<"ol_device_handle_t", "SrcDevice", "device that SrcPtr belongs to", PARAM_IN>,
Param<"size_t", "Size", "size in bytes of data to copy", PARAM_IN>,
];
let returns = [];
}
|
