1 files changed, 65 insertions, 0 deletions
diff --git a/mali_kbase/hwcnt/backend/mali_kbase_hwcnt_backend_jm_watchdog.h b/mali_kbase/hwcnt/backend/mali_kbase_hwcnt_backend_jm_watchdog.h
new file mode 100644
index 0000000..02a7952
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+++ b/mali_kbase/hwcnt/backend/mali_kbase_hwcnt_backend_jm_watchdog.h
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ *
+ * (C) COPYRIGHT 2021-2022 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.
+ *
+ */
+
+/*
+ * Concrete implementation of mali_kbase_hwcnt_backend interface for job manager
+ * backend. This module functionally interleaves between the hardware counter
+ * (hwcnt_accumulator) module (the interface consumer) and the job manager
+ * backend module (hwcnt_backend_jm). This module provides buffering
+ * functionality for the dumping requests requested by the hwcnt_accumulator
+ * consumer. This module is NOT multi-thread safe. The programmer must
+ * ensure the exposed methods are called by at most one thread at any time.
+ */
+
+#ifndef _KBASE_HWCNT_BACKEND_JM_WATCHDOG_H_
+#define _KBASE_HWCNT_BACKEND_JM_WATCHDOG_H_
+
+#include <hwcnt/backend/mali_kbase_hwcnt_backend.h>
+#include <hwcnt/mali_kbase_hwcnt_watchdog_if.h>
+
+/**
+ * kbase_hwcnt_backend_jm_watchdog_create() - Create a job manager hardware counter watchdog
+ *                                            backend interface.
+ * @backend_iface:  Non-NULL pointer to the backend interface structure that this module will
+ *                  extend.
+ * @watchdog_iface: Non-NULL pointer to an hardware counter watchdog interface.
+ * @out_iface:      Non-NULL pointer to backend interface structure that is filled in
+ *                  on creation success.
+ *
+ * Calls to out_iface->dump_enable_nolock() require kbdev->hwaccess_lock held.
+ *
+ * Return: 0 on success, error otherwise.
+ */
+int kbase_hwcnt_backend_jm_watchdog_create(struct kbase_hwcnt_backend_interface *backend_iface,
+					   struct kbase_hwcnt_watchdog_interface *watchdog_iface,
+					   struct kbase_hwcnt_backend_interface *out_iface);
+
+/**
+ * kbase_hwcnt_backend_jm_watchdog_destroy() - Destroy a job manager hardware counter watchdog
+ *                                             backend interface.
+ * @iface: Pointer to interface to destroy.
+ *
+ * Can be safely called on an all-zeroed interface, or on an already destroyed
+ * interface.
+ */
+void kbase_hwcnt_backend_jm_watchdog_destroy(struct kbase_hwcnt_backend_interface *iface);
+
+#endif /* _KBASE_HWCNT_BACKEND_JM_WATCHDOG_H_ */