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/*
* Copyright 2015 Red Hat Inc.
*
* 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
*
* Authors: Ben Skeggs <bskeggs@redhat.com>
*/
#include <core/memory.h>
#include <subdev/instmem.h>
void
nvkm_memory_ctor(const struct nvkm_memory_func *func,
struct nvkm_memory *memory)
{
memory->func = func;
}
void
nvkm_memory_del(struct nvkm_memory **pmemory)
{
struct nvkm_memory *memory = *pmemory;
if (memory && !WARN_ON(!memory->func)) {
if (memory->func->dtor)
*pmemory = memory->func->dtor(memory);
kfree(*pmemory);
*pmemory = NULL;
}
}
int
nvkm_memory_new(struct nvkm_device *device, enum nvkm_memory_target target,
u64 size, u32 align, bool zero,
struct nvkm_memory **pmemory)
{
struct nvkm_instmem *imem = device->imem;
struct nvkm_memory *memory;
int ret = -ENOSYS;
if (unlikely(target != NVKM_MEM_TARGET_INST || !imem))
return -ENOSYS;
ret = nvkm_instobj_new(imem, size, align, zero, &memory);
if (ret)
return ret;
*pmemory = memory;
return 0;
}
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