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- /*!
- *****************************************************************************
- *
- * @File img_mem_man.h
- * ---------------------------------------------------------------------------
- *
- * Copyright (c) Imagination Technologies Ltd.
- *
- * The contents of this file are subject to the MIT license as set out below.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *
- * Alternatively, the contents of this file may be used under the terms of the
- * GNU General Public License Version 2 ("GPL")in which case the provisions of
- * GPL are applicable instead of those above.
- *
- * If you wish to allow use of your version of this file only under the terms
- * of GPL, and not to allow others to use your version of this file under the
- * terms of the MIT license, indicate your decision by deleting the provisions
- * above and replace them with the notice and other provisions required by GPL
- * as set out in the file called "GPLHEADER" included in this distribution. If
- * you do not delete the provisions above, a recipient may use your version of
- * this file under the terms of either the MIT license or GPL.
- *
- * This License is also included in this distribution in the file called
- * "MIT_COPYING".
- *
- *****************************************************************************/
- #ifndef IMG_MEM_MAN_UAPI_H
- #define IMG_MEM_MAN_UAPI_H
- /* memory attributes */
- enum img_mem_attr {
- IMG_MEM_ATTR_CACHED = 0x00000001,
- IMG_MEM_ATTR_UNCACHED = 0x00000002,
- IMG_MEM_ATTR_WRITECOMBINE = 0x00000004,
- /* Special */
- IMG_MEM_ATTR_SECURE = 0x00000010,
- IMG_MEM_ATTR_NOMAP = 0x00000020,
- IMG_MEM_ATTR_NOSYNC = 0x00000040,
- /* Internal */
- IMG_MEM_ATTR_MMU = 0x10000000,
- IMG_MEM_ATTR_OCM = 0x20000000,
- };
- /* Cache attributes mask */
- #define IMG_MEM_ATTR_CACHE_MASK 0xf
- /* Supported heap types */
- enum img_mem_heap_type {
- IMG_MEM_HEAP_TYPE_UNKNOWN = 0,
- IMG_MEM_HEAP_TYPE_UNIFIED,
- IMG_MEM_HEAP_TYPE_CARVEOUT,
- IMG_MEM_HEAP_TYPE_ION,
- IMG_MEM_HEAP_TYPE_DMABUF,
- IMG_MEM_HEAP_TYPE_COHERENT,
- IMG_MEM_HEAP_TYPE_ANONYMOUS,
- IMG_MEM_HEAP_TYPE_OCM,
- };
- /* Heap attributes */
- enum img_mem_heap_attrs {
- IMG_MEM_HEAP_ATTR_INTERNAL = 0x01,
- IMG_MEM_HEAP_ATTR_IMPORT = 0x02,
- IMG_MEM_HEAP_ATTR_EXPORT = 0x04,
- IMG_MEM_HEAP_ATTR_SEALED = 0x08,
- /* User attributes */
- IMG_MEM_HEAP_ATTR_LOCAL = 0x10,
- IMG_MEM_HEAP_ATTR_SHARED = 0x20,
- };
- /* heaps ids */
- #define IMG_MEM_MAN_HEAP_ID_INVALID 0
- #define IMG_MEM_MAN_MIN_HEAP 1
- #define IMG_MEM_MAN_MAX_HEAP 16
- /* buffer ids (per memory context) */
- #define IMG_MEM_MAN_BUF_ID_INVALID 0
- #define IMG_MEM_MAN_MIN_BUFFER 1
- #define IMG_MEM_MAN_MAX_BUFFER 2000
- /* Definition of VA guard gap between allocations */
- #define IMG_MEM_VA_GUARD_GAP 0x1000
- /* Virtual memory space for buffers allocated
- * in the kernel - OCM & device debug buffers */
- #define IMG_MEM_VA_HEAP1_BASE 0x8000000ULL
- #define IMG_MEM_VA_HEAP1_SIZE 0x40000000ULL
- /* Definition of VA guard gap between heaps - 2MB (size of MMU PD) */
- #define IMG_MEM_HEAP_GUARD_GAP 0x200000
- /* Virtual memory space for buffers allocated in the user space */
- #define IMG_MEM_VA_HEAP2_BASE ( \
- IMG_MEM_VA_HEAP1_BASE + IMG_MEM_VA_HEAP1_SIZE + IMG_MEM_HEAP_GUARD_GAP)
- #define IMG_MEM_VA_HEAP2_SIZE 0x3C0000000ULL
- #endif /* IMG_MEM_MAN_UAPI_H */
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