| /**************************************************************************** |
| * |
| * The MIT License (MIT) |
| * |
| * Copyright (c) 2014 - 2018 Vivante Corporation |
| * |
| * 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. |
| * |
| ***************************************************************************** |
| * |
| * The GPL License (GPL) |
| * |
| * Copyright (C) 2014 - 2018 Vivante Corporation |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version 2 |
| * of the License, or (at your option) any later version. |
| * |
| * 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, write to the Free Software Foundation, |
| * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| * |
| ***************************************************************************** |
| * |
| * Note: This software is released under dual MIT and GPL licenses. A |
| * recipient may use this file under the terms of either the MIT license or |
| * GPL License. If you wish to use only one license not the other, you can |
| * indicate your decision by deleting one of the above license notices in your |
| * version of this file. |
| * |
| *****************************************************************************/ |
| |
| |
| #include "gc_hal_kernel_linux.h" |
| #include "gc_hal_kernel_allocator.h" |
| #include <linux/pagemap.h> |
| #include <linux/seq_file.h> |
| #include <linux/mman.h> |
| #include <asm/atomic.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/slab.h> |
| #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 32) |
| #include <linux/anon_inodes.h> |
| #endif |
| #include <linux/file.h> |
| |
| #include "gc_hal_kernel_allocator_array.h" |
| #include "gc_hal_kernel_platform.h" |
| |
| #define _GC_OBJ_ZONE gcvZONE_OS |
| |
| |
| /******************************************************************************\ |
| ******************************** Debugfs Support ******************************* |
| \******************************************************************************/ |
| |
| static gceSTATUS |
| _AllocatorDebugfsInit( |
| IN gckOS Os |
| ) |
| { |
| gceSTATUS status; |
| gckGALDEVICE device = Os->device; |
| |
| gckDEBUGFS_DIR dir = &Os->allocatorDebugfsDir; |
| |
| gcmkONERROR(gckDEBUGFS_DIR_Init(dir, device->debugfsDir.root, "allocators")); |
| |
| return gcvSTATUS_OK; |
| |
| OnError: |
| return status; |
| } |
| |
| static void |
| _AllocatorDebugfsCleanup( |
| IN gckOS Os |
| ) |
| { |
| gckDEBUGFS_DIR dir = &Os->allocatorDebugfsDir; |
| |
| gckDEBUGFS_DIR_Deinit(dir); |
| } |
| |
| /***************************************************************************\ |
| ************************ Allocator management ******************************* |
| \***************************************************************************/ |
| |
| gceSTATUS |
| gckOS_ImportAllocators( |
| gckOS Os |
| ) |
| { |
| gceSTATUS status; |
| gctUINT i; |
| gckALLOCATOR allocator; |
| |
| _AllocatorDebugfsInit(Os); |
| |
| INIT_LIST_HEAD(&Os->allocatorList); |
| |
| for (i = 0; i < gcmCOUNTOF(allocatorArray); i++) |
| { |
| if (allocatorArray[i].construct) |
| { |
| /* Construct allocator. */ |
| status = allocatorArray[i].construct(Os, &Os->allocatorDebugfsDir, &allocator); |
| |
| if (gcmIS_ERROR(status)) |
| { |
| gcmkPRINT("["DEVICE_NAME"]: Can't construct allocator(%s)", |
| allocatorArray[i].name); |
| |
| continue; |
| } |
| |
| allocator->name = allocatorArray[i].name; |
| |
| list_add_tail(&allocator->link, &Os->allocatorList); |
| } |
| } |
| |
| #if gcdDEBUG |
| list_for_each_entry(allocator, &Os->allocatorList, link) |
| { |
| gcmkTRACE_ZONE( |
| gcvLEVEL_WARNING, gcvZONE_OS, |
| "%s(%d) Allocator: %s", |
| __FUNCTION__, __LINE__, |
| allocator->name |
| ); |
| } |
| #endif |
| |
| return gcvSTATUS_OK; |
| } |
| |
| gceSTATUS |
| gckOS_FreeAllocators( |
| gckOS Os |
| ) |
| { |
| gckALLOCATOR allocator; |
| gckALLOCATOR temp; |
| |
| list_for_each_entry_safe(allocator, temp, &Os->allocatorList, link) |
| { |
| list_del(&allocator->link); |
| |
| /* Destroy allocator. */ |
| allocator->destructor(allocator); |
| } |
| |
| _AllocatorDebugfsCleanup(Os); |
| |
| return gcvSTATUS_OK; |
| } |
| |