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
gpu_describe(__unused gpu_descriptor_t gdesc)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
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)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
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)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
io_rate_update_register(io_rate_update_callback_t io_rate_update_cb_new)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
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)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
gpu_set_fceiling_cb_default(__unused uint32_t gfr,__unused uint64_t gfp)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
gpu_fceiling_cb_register(gpu_set_fceiling_t gnewcb)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
gpu_submission_telemetry(__unused uint64_t gpu_ncmds,__unused uint64_t gpu_noutstanding_avg,__unused uint64_t gpu_busy_ns_total,__unused uint64_t gpu_cycles,__unused uint64_t gpu_telemetry_valid_flags,__unused uint64_t gpu_telemetry_misc)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