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/****************************************************************************
*
* 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;
}
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