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/*
* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __NVGPU_ENABLED_H__
#define __NVGPU_ENABLED_H__
struct gk20a;
#include <nvgpu/types.h>
/*
* Available flags that describe what's enabled and what's not in the GPU. Each
* flag here is defined by it's offset in a bitmap.
*/
#define NVGPU_IS_FMODEL 1
#define NVGPU_DRIVER_IS_DYING 2
/*
* MM flags.
*/
#define NVGPU_MM_UNIFY_ADDRESS_SPACES 16
/* false if vidmem aperture actually points to sysmem */
#define NVGPU_MM_HONORS_APERTURE 17
/* unified or split memory with separate vidmem? */
#define NVGPU_MM_UNIFIED_MEMORY 18
/*
* Must be greater than the largest bit offset in the above list.
*/
#define NVGPU_MAX_ENABLED_BITS 64
/**
* nvgpu_is_enabled - Check if the passed flag is enabled.
*
* @g - The GPU.
* @flag - Which flag to check.
*
* Returns true if the passed @flag is true; false otherwise.
*/
bool nvgpu_is_enabled(struct gk20a *g, int flag);
/**
* __nvgpu_set_enabled - Set the state of a flag.
*
* @g - The GPU.
* @flag - Which flag to modify.
* @state - The state to set the flag to.
*
* Set the state of the passed @flag to @state. This will return the previous
* state of the passed @flag.
*/
bool __nvgpu_set_enabled(struct gk20a *g, int flag, bool state);
int nvgpu_init_enabled_flags(struct gk20a *g);
#endif
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