1 | /* |
2 | * Copyright (c) 2013 Apple Inc. All rights reserved. |
3 | * |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
5 | * |
6 | * This file contains Original Code and/or Modifications of Original Code |
7 | * as defined in and that are subject to the Apple Public Source License |
8 | * Version 2.0 (the 'License'). You may not use this file except in |
9 | * compliance with the License. The rights granted to you under the License |
10 | * may not be used to create, or enable the creation or redistribution of, |
11 | * unlawful or unlicensed copies of an Apple operating system, or to |
12 | * circumvent, violate, or enable the circumvention or violation of, any |
13 | * terms of an Apple operating system software license agreement. |
14 | * |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
17 | * |
18 | * The Original Code and all software distributed under the License are |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
23 | * Please see the License for the specific language governing rights and |
24 | * limitations under the License. |
25 | * |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ |
28 | |
29 | #include <kern/energy_perf.h> |
30 | #include <libsa/types.h> |
31 | #include <sys/kdebug.h> |
32 | #include <stddef.h> |
33 | #include <machine/machine_routines.h> |
34 | |
35 | void |
36 | gpu_describe(__unused gpu_descriptor_t gdesc) |
37 | { |
38 | KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_ENERGY_PERF, 1), gdesc->gpu_id, gdesc->gpu_max_domains, 0, 0, 0); |
39 | } |
40 | |
41 | uint64_t |
42 | gpu_accumulate_time(__unused uint32_t scope, __unused uint32_t gpu_id, __unused uint32_t gpu_domain, __unused uint64_t gpu_accumulated_ns, __unused uint64_t gpu_tstamp_ns) |
43 | { |
44 | KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_ENERGY_PERF, 2), scope, gpu_id, gpu_domain, gpu_accumulated_ns, gpu_tstamp_ns); |
45 | ml_gpu_stat_update(gpu_accumulated_ns); |
46 | return 0; |
47 | } |
48 | |
49 | static uint64_t |
50 | io_rate_update_cb_default(__unused uint64_t io_rate_flags, __unused uint64_t read_ops_delta, __unused uint64_t write_ops_delta, __unused uint64_t read_bytes_delta, __unused uint64_t write_bytes_delta) |
51 | { |
52 | KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_ENERGY_PERF, 3), io_rate_flags, read_ops_delta, write_ops_delta, read_bytes_delta, write_bytes_delta); |
53 | return 0; |
54 | } |
55 | |
56 | io_rate_update_callback_t io_rate_update_cb = io_rate_update_cb_default; |
57 | |
58 | void |
59 | io_rate_update_register(io_rate_update_callback_t io_rate_update_cb_new) |
60 | { |
61 | if (io_rate_update_cb_new != NULL) { |
62 | io_rate_update_cb = io_rate_update_cb_new; |
63 | } else { |
64 | io_rate_update_cb = io_rate_update_cb_default; |
65 | } |
66 | } |
67 | |
68 | uint64_t |
69 | io_rate_update(uint64_t io_rate_flags, uint64_t read_ops_delta, uint64_t write_ops_delta, uint64_t read_bytes_delta, uint64_t write_bytes_delta) |
70 | { |
71 | return io_rate_update_cb(io_rate_flags, read_ops_delta, write_ops_delta, read_bytes_delta, write_bytes_delta); |
72 | } |
73 | |
74 | static uint64_t |
75 | gpu_set_fceiling_cb_default(__unused uint32_t gfr, __unused uint64_t gfp) |
76 | { |
77 | return 0ULL; |
78 | } |
79 | |
80 | gpu_set_fceiling_t gpu_set_fceiling_cb = gpu_set_fceiling_cb_default; |
81 | |
82 | void |
83 | gpu_fceiling_cb_register(gpu_set_fceiling_t gnewcb) |
84 | { |
85 | if (gnewcb != NULL) { |
86 | gpu_set_fceiling_cb = gnewcb; |
87 | } else { |
88 | gpu_set_fceiling_cb = gpu_set_fceiling_cb_default; |
89 | } |
90 | } |
91 | |
92 | void |
93 | gpu_submission_telemetry( |
94 | __unused uint64_t gpu_ncmds, |
95 | __unused uint64_t gpu_noutstanding_avg, |
96 | __unused uint64_t gpu_busy_ns_total, |
97 | __unused uint64_t gpu_cycles, |
98 | __unused uint64_t gpu_telemetry_valid_flags, |
99 | __unused uint64_t gpu_telemetry_misc) |
100 | { |
101 | } |
102 | |