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Diffstat (limited to 'common/include/uapi/gpu/arm/midgard/mali_kbase_hwcnt_reader.h')
| -rw-r--r-- | common/include/uapi/gpu/arm/midgard/mali_kbase_hwcnt_reader.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/common/include/uapi/gpu/arm/midgard/mali_kbase_hwcnt_reader.h b/common/include/uapi/gpu/arm/midgard/mali_kbase_hwcnt_reader.h new file mode 100644 index 0000000..615dbb0 --- /dev/null +++ b/common/include/uapi/gpu/arm/midgard/mali_kbase_hwcnt_reader.h @@ -0,0 +1,105 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * + * (C) COPYRIGHT 2015, 2020-2021 ARM Limited. All rights reserved. + * + * This program is free software and is provided to you under the terms of the + * GNU General Public License version 2 as published by the Free Software + * Foundation, and any use by you of this program is subject to the terms + * of such GNU license. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, you can access it online at + * http://www.gnu.org/licenses/gpl-2.0.html. + * + */ + +#ifndef _UAPI_KBASE_HWCNT_READER_H_ +#define _UAPI_KBASE_HWCNT_READER_H_ + +#include <stddef.h> +#include <linux/types.h> + +/* The ids of ioctl commands. */ +#define KBASE_HWCNT_READER 0xBE +#define KBASE_HWCNT_READER_GET_HWVER _IOR(KBASE_HWCNT_READER, 0x00, __u32) +#define KBASE_HWCNT_READER_GET_BUFFER_SIZE _IOR(KBASE_HWCNT_READER, 0x01, __u32) +#define KBASE_HWCNT_READER_DUMP _IOW(KBASE_HWCNT_READER, 0x10, __u32) +#define KBASE_HWCNT_READER_CLEAR _IOW(KBASE_HWCNT_READER, 0x11, __u32) +#define KBASE_HWCNT_READER_GET_BUFFER _IOC(_IOC_READ, KBASE_HWCNT_READER, 0x20,\ + offsetof(struct kbase_hwcnt_reader_metadata, cycles)) +#define KBASE_HWCNT_READER_GET_BUFFER_WITH_CYCLES _IOR(KBASE_HWCNT_READER, 0x20,\ + struct kbase_hwcnt_reader_metadata) +#define KBASE_HWCNT_READER_PUT_BUFFER _IOC(_IOC_WRITE, KBASE_HWCNT_READER, 0x21,\ + offsetof(struct kbase_hwcnt_reader_metadata, cycles)) +#define KBASE_HWCNT_READER_PUT_BUFFER_WITH_CYCLES _IOW(KBASE_HWCNT_READER, 0x21,\ + struct kbase_hwcnt_reader_metadata) +#define KBASE_HWCNT_READER_SET_INTERVAL _IOW(KBASE_HWCNT_READER, 0x30, __u32) +#define KBASE_HWCNT_READER_ENABLE_EVENT _IOW(KBASE_HWCNT_READER, 0x40, __u32) +#define KBASE_HWCNT_READER_DISABLE_EVENT _IOW(KBASE_HWCNT_READER, 0x41, __u32) +#define KBASE_HWCNT_READER_GET_API_VERSION _IOW(KBASE_HWCNT_READER, 0xFF, __u32) +#define KBASE_HWCNT_READER_GET_API_VERSION_WITH_FEATURES \ + _IOW(KBASE_HWCNT_READER, 0xFF, \ + struct kbase_hwcnt_reader_api_version) + +/** + * struct kbase_hwcnt_reader_metadata_cycles - GPU clock cycles + * @top: the number of cycles associated with the main clock for the + * GPU + * @shader_cores: the cycles that have elapsed on the GPU shader cores + */ +struct kbase_hwcnt_reader_metadata_cycles { + __u64 top; + __u64 shader_cores; +}; + +/** + * struct kbase_hwcnt_reader_metadata - hwcnt reader sample buffer metadata + * @timestamp: time when sample was collected + * @event_id: id of an event that triggered sample collection + * @buffer_idx: position in sampling area where sample buffer was stored + * @cycles: the GPU cycles that occurred since the last sample + */ +struct kbase_hwcnt_reader_metadata { + __u64 timestamp; + __u32 event_id; + __u32 buffer_idx; + struct kbase_hwcnt_reader_metadata_cycles cycles; +}; + +/** + * enum base_hwcnt_reader_event - hwcnt dumping events + * @BASE_HWCNT_READER_EVENT_MANUAL: manual request for dump + * @BASE_HWCNT_READER_EVENT_PERIODIC: periodic dump + * @BASE_HWCNT_READER_EVENT_PREJOB: prejob dump request + * @BASE_HWCNT_READER_EVENT_POSTJOB: postjob dump request + * @BASE_HWCNT_READER_EVENT_COUNT: number of supported events + */ +enum base_hwcnt_reader_event { + BASE_HWCNT_READER_EVENT_MANUAL, + BASE_HWCNT_READER_EVENT_PERIODIC, + BASE_HWCNT_READER_EVENT_PREJOB, + BASE_HWCNT_READER_EVENT_POSTJOB, + BASE_HWCNT_READER_EVENT_COUNT +}; + +#define KBASE_HWCNT_READER_API_VERSION_NO_FEATURE (0) +#define KBASE_HWCNT_READER_API_VERSION_FEATURE_CYCLES_TOP (1 << 0) +#define KBASE_HWCNT_READER_API_VERSION_FEATURE_CYCLES_SHADER_CORES (1 << 1) +/** + * struct kbase_hwcnt_reader_api_version - hwcnt reader API version + * @version: API version + * @features: available features in this API version + */ +struct kbase_hwcnt_reader_api_version { + __u32 version; + __u32 features; +}; + +#endif /* _UAPI_KBASE_HWCNT_READER_H_ */ + |