| /* |
| * |
| * (C) COPYRIGHT 2015 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 licence. |
| * |
| * 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. |
| * |
| * SPDX-License-Identifier: GPL-2.0 |
| * |
| */ |
| |
| #ifndef _KBASE_HWCNT_READER_H_ |
| #define _KBASE_HWCNT_READER_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 _IOR(KBASE_HWCNT_READER, 0x20,\ |
| struct kbase_hwcnt_reader_metadata) |
| #define KBASE_HWCNT_READER_PUT_BUFFER _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) |
| |
| /** |
| * 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 |
| */ |
| struct kbase_hwcnt_reader_metadata { |
| u64 timestamp; |
| u32 event_id; |
| u32 buffer_idx; |
| }; |
| |
| /** |
| * 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 |
| }; |
| |
| #endif /* _KBASE_HWCNT_READER_H_ */ |
| |
