| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| /* |
| * |
| * (C) COPYRIGHT 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 _KBASE_CSF_CPU_QUEUE_DEBUGFS_H_ |
| #define _KBASE_CSF_CPU_QUEUE_DEBUGFS_H_ |
| |
| #include <asm/atomic.h> |
| #include <linux/types.h> |
| |
| #include "mali_kbase.h" |
| |
| /* Forward declaration */ |
| struct base_csf_notification; |
| |
| #define MALI_CSF_CPU_QUEUE_DEBUGFS_VERSION 0 |
| |
| /* CPU queue dump status */ |
| /* Dumping is done or no dumping is in progress. */ |
| #define BASE_CSF_CPU_QUEUE_DUMP_COMPLETE 0 |
| /* Dumping request is pending. */ |
| #define BASE_CSF_CPU_QUEUE_DUMP_PENDING 1 |
| /* Dumping request is issued to Userspace */ |
| #define BASE_CSF_CPU_QUEUE_DUMP_ISSUED 2 |
| |
| |
| /** |
| * kbase_csf_cpu_queue_debugfs_init() - Create a debugfs entry for per context cpu queue(s) |
| * |
| * @kctx: The kbase_context for which to create the debugfs entry |
| */ |
| void kbase_csf_cpu_queue_debugfs_init(struct kbase_context *kctx); |
| |
| /** |
| * kbase_csf_cpu_queue_read_dump_req - Read cpu queue dump request event |
| * |
| * @kctx: The kbase_context which cpu queue dumpped belongs to |
| * @req: Notification with cpu queue dump request. |
| * |
| * Return: true if needs CPU queue dump, or false otherwise. |
| */ |
| bool kbase_csf_cpu_queue_read_dump_req(struct kbase_context *kctx, |
| struct base_csf_notification *req); |
| |
| /** |
| * kbase_csf_cpu_queue_dump_needed - Check the requirement for cpu queue dump |
| * |
| * @kctx: The kbase_context which cpu queue dumpped belongs to |
| * |
| * Return: true if it needs cpu queue dump, or false otherwise. |
| */ |
| static inline bool kbase_csf_cpu_queue_dump_needed(struct kbase_context *kctx) |
| { |
| #if IS_ENABLED(CONFIG_DEBUG_FS) |
| return (atomic_read(&kctx->csf.cpu_queue.dump_req_status) == |
| BASE_CSF_CPU_QUEUE_DUMP_ISSUED); |
| #else |
| return false; |
| #endif |
| } |
| |
| /** |
| * kbase_csf_cpu_queue_dump - dump buffer containing cpu queue information to debugfs |
| * |
| * @kctx: The kbase_context which cpu queue dumpped belongs to |
| * @buffer: Buffer containing the cpu queue information. |
| * @buf_size: Buffer size. |
| * |
| * Return: Return 0 for dump successfully, or error code. |
| */ |
| int kbase_csf_cpu_queue_dump(struct kbase_context *kctx, |
| u64 buffer, size_t buf_size); |
| #endif /* _KBASE_CSF_CPU_QUEUE_DEBUGFS_H_ */ |