diff options
Diffstat (limited to 'drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_allocator.c')
| -rw-r--r-- | drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_allocator.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_allocator.c b/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_allocator.c new file mode 100644 index 000000000000..85b52d587302 --- /dev/null +++ b/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_allocator.c @@ -0,0 +1,180 @@ +/**************************************************************************** +* +* 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; +} + |