disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/gpu/arm/bifrost/mali_kbase_mem_pool_group.h
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@@ -1,7 +1,7 @@
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 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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 /*
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  *
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- * (C) COPYRIGHT 2019-2021 ARM Limited. All rights reserved.
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+ * (C) COPYRIGHT 2019-2022 ARM Limited. All rights reserved.
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  *
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  * This program is free software and is provided to you under the terms of the
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  * GNU General Public License version 2 as published by the Free Software
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@@ -25,22 +25,52 @@
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 #include <mali_kbase_defs.h>
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 /**
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- * kbase_mem_pool_group_config_init - Set the initial configuration for a
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- *                                    set of memory pools
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+ * kbase_mem_pool_group_select() - Select the memory pool to use.
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+ *
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+ * @kbdev:         Device pointer.
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+ * @mem_group_id:  Physical memory group ID to use.
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+ * @is_small_page: Flag used to select between the small and
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+ *                 large memory pool.
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+ *
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+ * Return: A pointer to the selected memory pool.
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+ */
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+static inline struct kbase_mem_pool *kbase_mem_pool_group_select(
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+	struct kbase_device *kbdev, u32 mem_group_id, bool is_small_page)
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+{
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+	if (WARN_ON(unlikely(kbdev == NULL)))
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+		return NULL;
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+
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+	WARN_ON(mem_group_id > BASE_MEM_GROUP_COUNT);
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+
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+	if (is_small_page)
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+		return &kbdev->mem_pools.small[mem_group_id];
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+
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+	return &kbdev->mem_pools.large[mem_group_id];
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+}
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+
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+/**
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+ * kbase_mem_pool_group_config_set_max_size - Set the initial configuration for
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+ * a set of memory pools
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+ *
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+ * @configs:  Initial configuration for the set of memory pools
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+ * @max_size: Maximum number of free 4 KiB pages each pool can hold
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  *
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  * This function sets the initial configuration for every memory pool so that
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  * the maximum amount of free memory that each pool can hold is identical.
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  * The equivalent number of 2 MiB pages is calculated automatically for the
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  * purpose of configuring the large page pools.
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- *
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- * @configs:  Initial configuration for the set of memory pools
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- * @max_size: Maximum number of free 4 KiB pages each pool can hold
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  */
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 void kbase_mem_pool_group_config_set_max_size(
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 	struct kbase_mem_pool_group_config *configs, size_t max_size);
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 /**
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  * kbase_mem_pool_group_init - Initialize a set of memory pools
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+ *
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+ * @mem_pools:  Set of memory pools to initialize
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+ * @kbdev:      Kbase device where memory is used
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+ * @configs:    Initial configuration for the set of memory pools
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+ * @next_pools: Set of memory pools from which to allocate memory if there
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+ *              is no free memory in one of the @mem_pools
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  *
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  * Initializes a complete set of physical memory pools. Memory pools are used to
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  * allow efficient reallocation of previously-freed physical pages. A pair of
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@@ -54,37 +84,30 @@
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  * is full in @mem_pools. Pages are zeroed before they spill over to another
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  * pool, to prevent leaking information between applications.
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  *
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- * @mem_pools:  Set of memory pools to initialize
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- * @kbdev:      Kbase device where memory is used
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- * @configs:    Initial configuration for the set of memory pools
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- * @next_pools: Set of memory pools from which to allocate memory if there
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- *              is no free memory in one of the @mem_pools
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- *
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  * Return: 0 on success, otherwise a negative error code
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  */
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-int kbase_mem_pool_group_init(struct kbase_mem_pool_group *mem_pools,
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-	struct kbase_device *kbdev,
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-	const struct kbase_mem_pool_group_config *configs,
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-	struct kbase_mem_pool_group *next_pools);
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+int kbase_mem_pool_group_init(struct kbase_mem_pool_group *mem_pools, struct kbase_device *kbdev,
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+			      const struct kbase_mem_pool_group_config *configs,
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+			      struct kbase_mem_pool_group *next_pools);
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 /**
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- * kbase_mem_pool_group_term - Mark a set of memory pools as dying
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+ * kbase_mem_pool_group_mark_dying - Mark a set of memory pools as dying
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+ *
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+ * @mem_pools: Set of memory pools to mark
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  *
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  * Marks a complete set of physical memory pools previously initialized by
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  * @kbase_mem_pool_group_init as dying. This will cause any ongoing allocation
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  * operations (eg growing on page fault) to be terminated.
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- *
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- * @mem_pools: Set of memory pools to mark
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  */
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 void kbase_mem_pool_group_mark_dying(struct kbase_mem_pool_group *mem_pools);
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 /**
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  * kbase_mem_pool_group_term - Terminate a set of memory pools
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  *
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+ * @mem_pools: Set of memory pools to terminate
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+ *
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  * Terminates a complete set of physical memory pools previously initialized by
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  * @kbase_mem_pool_group_init.
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- *
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- * @mem_pools: Set of memory pools to terminate
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  */
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 void kbase_mem_pool_group_term(struct kbase_mem_pool_group *mem_pools);
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