1 files changed, 73 insertions, 0 deletions
diff --git a/bifrost/r25p0/kernel/drivers/gpu/arm/midgard/tests/include/kutf/kutf_mem.h b/bifrost/r25p0/kernel/drivers/gpu/arm/midgard/tests/include/kutf/kutf_mem.h
new file mode 100644
index 0000000..988559d
--- /dev/null
+++ b/bifrost/r25p0/kernel/drivers/gpu/arm/midgard/tests/include/kutf/kutf_mem.h
@@ -0,0 +1,73 @@
+/*
+ *
+ * (C) COPYRIGHT 2014, 2017 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 _KERNEL_UTF_MEM_H_
+#define _KERNEL_UTF_MEM_H_
+
+/* kutf_mem.h
+ * Functions for management of memory pools in the kernel.
+ *
+ * This module implements a memory pool allocator, allowing a test
+ * implementation to allocate linked allocations which can then be freed by a
+ * single free which releases all of the resources held by the entire pool.
+ *
+ * Note that it is not possible to free single resources within the pool once
+ * allocated.
+ */
+
+#include <linux/list.h>
+#include <linux/mutex.h>
+
+/**
+ * struct kutf_mempool - the memory pool context management structure
+ * @head:	list head on which the allocations in this context are added to
+ * @lock:	mutex for concurrent allocation from multiple threads
+ *
+ */
+struct kutf_mempool {
+	struct list_head head;
+	struct mutex lock;
+};
+
+/**
+ * kutf_mempool_init() - Initialize a memory pool.
+ * @pool:	Memory pool structure to initialize, provided by the user
+ *
+ * Return:	zero on success
+ */
+int kutf_mempool_init(struct kutf_mempool *pool);
+
+/**
+ * kutf_mempool_alloc() - Allocate memory from a pool
+ * @pool:	Memory pool to allocate from
+ * @size:	Size of memory wanted in number of bytes
+ *
+ * Return:	Pointer to memory on success, NULL on failure.
+ */
+void *kutf_mempool_alloc(struct kutf_mempool *pool, size_t size);
+
+/**
+ * kutf_mempool_destroy() - Destroy a memory pool, freeing all memory within it.
+ * @pool:	The memory pool to free
+ */
+void kutf_mempool_destroy(struct kutf_mempool *pool);
+#endif	/* _KERNEL_UTF_MEM_H_ */