| /* |
| * |
| * (C) COPYRIGHT 2014-2015, 2017-2018 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 |
| * |
| */ |
| |
| |
| |
| /* |
| * HW Access instrumentation common APIs |
| */ |
| |
| #ifndef _KBASE_HWACCESS_INSTR_H_ |
| #define _KBASE_HWACCESS_INSTR_H_ |
| |
| #include <mali_kbase_instr_defs.h> |
| |
| /** |
| * struct kbase_instr_hwcnt_enable - Enable hardware counter collection. |
| * @dump_buffer: GPU address to write counters to. |
| * @dump_buffer_bytes: Size in bytes of the buffer pointed to by dump_buffer. |
| * @jm_bm: counters selection bitmask (JM). |
| * @shader_bm: counters selection bitmask (Shader). |
| * @tiler_bm: counters selection bitmask (Tiler). |
| * @mmu_l2_bm: counters selection bitmask (MMU_L2). |
| * @use_secondary: use secondary performance counters set for applicable |
| * counter blocks. |
| */ |
| struct kbase_instr_hwcnt_enable { |
| u64 dump_buffer; |
| u64 dump_buffer_bytes; |
| u32 jm_bm; |
| u32 shader_bm; |
| u32 tiler_bm; |
| u32 mmu_l2_bm; |
| bool use_secondary; |
| }; |
| |
| /** |
| * kbase_instr_hwcnt_enable_internal() - Enable HW counters collection |
| * @kbdev: Kbase device |
| * @kctx: Kbase context |
| * @enable: HW counter setup parameters |
| * |
| * Context: might sleep, waiting for reset to complete |
| * |
| * Return: 0 on success |
| */ |
| int kbase_instr_hwcnt_enable_internal(struct kbase_device *kbdev, |
| struct kbase_context *kctx, |
| struct kbase_instr_hwcnt_enable *enable); |
| |
| /** |
| * kbase_instr_hwcnt_disable_internal() - Disable HW counters collection |
| * @kctx: Kbase context |
| * |
| * Context: might sleep, waiting for an ongoing dump to complete |
| * |
| * Return: 0 on success |
| */ |
| int kbase_instr_hwcnt_disable_internal(struct kbase_context *kctx); |
| |
| /** |
| * kbase_instr_hwcnt_request_dump() - Request HW counter dump from GPU |
| * @kctx: Kbase context |
| * |
| * Caller must either wait for kbase_instr_hwcnt_dump_complete() to return true, |
| * of call kbase_instr_hwcnt_wait_for_dump(). |
| * |
| * Return: 0 on success |
| */ |
| int kbase_instr_hwcnt_request_dump(struct kbase_context *kctx); |
| |
| /** |
| * kbase_instr_hwcnt_wait_for_dump() - Wait until pending HW counter dump has |
| * completed. |
| * @kctx: Kbase context |
| * |
| * Context: will sleep, waiting for dump to complete |
| * |
| * Return: 0 on success |
| */ |
| int kbase_instr_hwcnt_wait_for_dump(struct kbase_context *kctx); |
| |
| /** |
| * kbase_instr_hwcnt_dump_complete - Tell whether the HW counters dump has |
| * completed |
| * @kctx: Kbase context |
| * @success: Set to true if successful |
| * |
| * Context: does not sleep. |
| * |
| * Return: true if the dump is complete |
| */ |
| bool kbase_instr_hwcnt_dump_complete(struct kbase_context *kctx, |
| bool * const success); |
| |
| /** |
| * kbase_instr_hwcnt_clear() - Clear HW counters |
| * @kctx: Kbase context |
| * |
| * Context: might sleep, waiting for reset to complete |
| * |
| * Return: 0 on success |
| */ |
| int kbase_instr_hwcnt_clear(struct kbase_context *kctx); |
| |
| /** |
| * kbase_instr_backend_init() - Initialise the instrumentation backend |
| * @kbdev: Kbase device |
| * |
| * This function should be called during driver initialization. |
| * |
| * Return: 0 on success |
| */ |
| int kbase_instr_backend_init(struct kbase_device *kbdev); |
| |
| /** |
| * kbase_instr_backend_init() - Terminate the instrumentation backend |
| * @kbdev: Kbase device |
| * |
| * This function should be called during driver termination. |
| */ |
| void kbase_instr_backend_term(struct kbase_device *kbdev); |
| |
| #endif /* _KBASE_HWACCESS_INSTR_H_ */ |
