|
10879
|
1 /*
|
|
|
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
|
|
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
|
4 *
|
|
|
5 * This code is free software; you can redistribute it and/or modify it
|
|
|
6 * under the terms of the GNU General Public License version 2 only, as
|
|
|
7 * published by the Free Software Foundation.
|
|
|
8 *
|
|
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT
|
|
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
12 * version 2 for more details (a copy is included in the LICENSE file that
|
|
|
13 * accompanied this code).
|
|
|
14 *
|
|
|
15 * You should have received a copy of the GNU General Public License version
|
|
|
16 * 2 along with this work; if not, write to the Free Software Foundation,
|
|
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
18 *
|
|
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
|
20 * or visit www.oracle.com if you need additional information or have any
|
|
|
21 * questions.
|
|
|
22 *
|
|
|
23 */
|
|
|
24
|
|
|
25 #include "runtime/gpu.hpp"
|
|
|
26 #include "utilities/ostream.hpp"
|
|
|
27
|
|
|
28 #ifdef __APPLE__
|
|
|
29 #include <ApplicationServices/ApplicationServices.h>
|
|
|
30 #include <IOKit/IOKitLib.h>
|
|
|
31 #endif
|
|
|
32
|
|
|
33 void gpu::probe_gpu() {
|
|
|
34 #ifdef __APPLE__
|
|
|
35 set_available(gpu::Bsd::probe_gpu_apple());
|
|
|
36 if (TraceGPUInteraction) {
|
|
|
37 tty->print_cr("gpu_bsd::probe_gpu(APPLE): %d", gpu::is_available());
|
|
|
38 }
|
|
|
39 #else
|
|
|
40 if (TraceGPUInteraction) {
|
|
|
41 tty->print_cr("gpu_bsd::probe_gpu(not APPLE)");
|
|
|
42 }
|
|
|
43 set_available(false);
|
|
|
44 #endif
|
|
|
45 }
|
|
|
46
|
|
|
47 #ifdef __APPLE__
|
|
|
48 /*
|
|
|
49 * This is rudimentary at best, but until we decide on a CUDA Compiler Compatibility
|
|
|
50 * level, this will have to suffice.
|
|
|
51 */
|
|
|
52 bool gpu::Bsd::probe_gpu_apple() {
|
|
|
53 CGError err = CGDisplayNoErr;
|
|
|
54 CGDisplayCount displayCount = 0;
|
|
|
55 CFDataRef vendorID, deviceID, model;
|
|
|
56 CGDirectDisplayID *displays;
|
|
|
57 IOOptionBits options = kIORegistryIterateRecursively | kIORegistryIterateParents;
|
|
|
58 io_registry_entry_t displayPort;
|
|
|
59
|
|
|
60 err = CGGetActiveDisplayList(0, NULL, &displayCount);
|
|
|
61 displays = (CGDirectDisplayID *)calloc((size_t)displayCount, sizeof(CGDirectDisplayID));
|
|
|
62 err = CGGetActiveDisplayList(displayCount, displays, &displayCount);
|
|
|
63
|
|
|
64 for (CGDisplayCount i = 0; i < displayCount; i++) {
|
|
|
65 displayPort = CGDisplayIOServicePort(displays[i]);
|
|
|
66 vendorID = (CFDataRef)IORegistryEntrySearchCFProperty(displayPort, kIOServicePlane, CFSTR("vendor-id"),
|
|
|
67 kCFAllocatorDefault, options);
|
|
|
68 deviceID = (CFDataRef)IORegistryEntrySearchCFProperty(displayPort, kIOServicePlane, CFSTR("device-id"),
|
|
|
69 kCFAllocatorDefault, options);
|
|
|
70 model = (CFDataRef)IORegistryEntrySearchCFProperty(displayPort, kIOServicePlane, CFSTR("model"),
|
|
|
71 kCFAllocatorDefault, options);
|
|
|
72 if (TraceGPUInteraction) {
|
|
|
73 tty->print_cr("vendor: 0x%08X", *((UInt32*)CFDataGetBytePtr(vendorID)));
|
|
|
74 tty->print_cr("device: 0x%08X", *((UInt32*)CFDataGetBytePtr(deviceID)));
|
|
|
75 tty->print_cr("model: %s", CFDataGetBytePtr(model));
|
|
|
76 }
|
|
|
77 UInt32 vendor = *((UInt32*)CFDataGetBytePtr(vendorID));
|
|
|
78 if (vendor != 0x10DE) {
|
|
|
79 return false;
|
|
|
80 } else {
|
|
|
81 /*
|
|
|
82 * see https://developer.nvidia.com/cuda-gpus
|
|
|
83 * see http://en.wikipedia.org/wiki/CUDA#Supported_GPUs
|
|
|
84 * see http://www.pcidatabase.com/reports.php?type=csv
|
|
|
85 *
|
|
|
86 * Only supporting GK104, GK106, GK107 and GK110 GPUs for now,
|
|
|
87 * which is CUDA Computer Capability 3.0 and greater.
|
|
|
88 */
|
|
|
89 switch (*((UInt32*)CFDataGetBytePtr(deviceID))) {
|
|
|
90 case 0x11C0:
|
|
|
91 return true; // NVIDIA GeForce GTX 660
|
|
|
92 default:
|
|
|
93 return false;
|
|
|
94 }
|
|
|
95 }
|
|
|
96 }
|
|
|
97 return false;
|
|
|
98 }
|
|
|
99 #endif
|
