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authorSiddharth Kapoor <ksiddharth@google.com>2022-03-02 14:51:29 +0800
committerSiddharth Kapoor <ksiddharth@google.com>2022-03-02 14:51:29 +0800
commit88d7d984fed1c2a4358ce2bbc334e82d71e3a391 (patch)
tree18f20402a0ed15ae9fe62b29a9957922ebcc2ada /mali_kbase/mali_kbase_mem_pool_group.h
parent0207d6c3b7a2002f15c60d08617e956faf5ba90c (diff)
downloadgpu-88d7d984fed1c2a4358ce2bbc334e82d71e3a391.tar.gz
Mali Valhall Android DDK r36p0 KMD
Provenance: 9f72c118d9 (ipdelivery/EAC/v_r36p0) VX504X08X-BU-00000-r36p0-01eac0 - Valhall Android DDK VX504X08X-BU-60000-r36p0-01eac0 - Valhall Android Document Bundle VX504X08X-DC-11001-r36p0-01eac0 - Valhall Android DDK Software Errata VX504X08X-SW-99006-r36p0-01eac0 - Valhall Android Renderscript AOSP parts Signed-off-by: Siddharth Kapoor <ksiddharth@google.com> Change-Id: I4a63b707fedc68d7b7d046596c7098da47a139cb
Diffstat (limited to 'mali_kbase/mali_kbase_mem_pool_group.h')
-rw-r--r--mali_kbase/mali_kbase_mem_pool_group.h52
1 files changed, 38 insertions, 14 deletions
diff --git a/mali_kbase/mali_kbase_mem_pool_group.h b/mali_kbase/mali_kbase_mem_pool_group.h
index 38fd4ca..c50ffdb 100644
--- a/mali_kbase/mali_kbase_mem_pool_group.h
+++ b/mali_kbase/mali_kbase_mem_pool_group.h
@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
*
- * (C) COPYRIGHT 2019-2021 ARM Limited. All rights reserved.
+ * (C) COPYRIGHT 2019-2022 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
@@ -25,16 +25,40 @@
#include <mali_kbase_defs.h>
/**
+ * kbase_mem_pool_group_select() - Select the memory pool to use.
+ *
+ * @kbdev: Device pointer.
+ * @mem_group_id: Physical memory group ID to use.
+ * @is_small_page: Flag used to select between the small and
+ * large memory pool.
+ *
+ * Return: A pointer to the selected memory pool.
+ */
+static inline struct kbase_mem_pool *kbase_mem_pool_group_select(
+ struct kbase_device *kbdev, u32 mem_group_id, bool is_small_page)
+{
+ if (WARN_ON(unlikely(kbdev == NULL)))
+ return NULL;
+
+ WARN_ON(mem_group_id > BASE_MEM_GROUP_COUNT);
+
+ if (is_small_page)
+ return &kbdev->mem_pools.small[mem_group_id];
+
+ return &kbdev->mem_pools.large[mem_group_id];
+}
+
+/**
* kbase_mem_pool_group_config_init - Set the initial configuration for a
* set of memory pools
*
+ * @configs: Initial configuration for the set of memory pools
+ * @max_size: Maximum number of free 4 KiB pages each pool can hold
+ *
* This function sets the initial configuration for every memory pool so that
* the maximum amount of free memory that each pool can hold is identical.
* The equivalent number of 2 MiB pages is calculated automatically for the
* purpose of configuring the large page pools.
- *
- * @configs: Initial configuration for the set of memory pools
- * @max_size: Maximum number of free 4 KiB pages each pool can hold
*/
void kbase_mem_pool_group_config_set_max_size(
struct kbase_mem_pool_group_config *configs, size_t max_size);
@@ -42,6 +66,12 @@ void kbase_mem_pool_group_config_set_max_size(
/**
* kbase_mem_pool_group_init - Initialize a set of memory pools
*
+ * @mem_pools: Set of memory pools to initialize
+ * @kbdev: Kbase device where memory is used
+ * @configs: Initial configuration for the set of memory pools
+ * @next_pools: Set of memory pools from which to allocate memory if there
+ * is no free memory in one of the @mem_pools
+ *
* Initializes a complete set of physical memory pools. Memory pools are used to
* allow efficient reallocation of previously-freed physical pages. A pair of
* memory pools is initialized for each physical memory group: one for 4 KiB
@@ -54,12 +84,6 @@ void kbase_mem_pool_group_config_set_max_size(
* is full in @mem_pools. Pages are zeroed before they spill over to another
* pool, to prevent leaking information between applications.
*
- * @mem_pools: Set of memory pools to initialize
- * @kbdev: Kbase device where memory is used
- * @configs: Initial configuration for the set of memory pools
- * @next_pools: Set of memory pools from which to allocate memory if there
- * is no free memory in one of the @mem_pools
- *
* Return: 0 on success, otherwise a negative error code
*/
int kbase_mem_pool_group_init(struct kbase_mem_pool_group *mem_pools,
@@ -70,21 +94,21 @@ int kbase_mem_pool_group_init(struct kbase_mem_pool_group *mem_pools,
/**
* kbase_mem_pool_group_term - Mark a set of memory pools as dying
*
+ * @mem_pools: Set of memory pools to mark
+ *
* Marks a complete set of physical memory pools previously initialized by
* @kbase_mem_pool_group_init as dying. This will cause any ongoing allocation
* operations (eg growing on page fault) to be terminated.
- *
- * @mem_pools: Set of memory pools to mark
*/
void kbase_mem_pool_group_mark_dying(struct kbase_mem_pool_group *mem_pools);
/**
* kbase_mem_pool_group_term - Terminate a set of memory pools
*
+ * @mem_pools: Set of memory pools to terminate
+ *
* Terminates a complete set of physical memory pools previously initialized by
* @kbase_mem_pool_group_init.
- *
- * @mem_pools: Set of memory pools to terminate
*/
void kbase_mem_pool_group_term(struct kbase_mem_pool_group *mem_pools);