drivers/gpu/drm/img-rogue/device_connection.h

/*************************************************************************/ /*!
@File           device_connection.h
@Title          
@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
@Description    
@License        Dual MIT/GPLv2

The contents of this file are subject to the MIT license as set out below.

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
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the GNU General Public License Version 2 ("GPL") in which case the provisions
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not delete the provisions above, a recipient may use your version of this file
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"MIT-COPYING".

EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
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*/ /**************************************************************************/

#if !defined(__DEVICE_CONNECTION_H__)
#define __DEVICE_CONNECTION_H__

#include "img_types.h"

#if defined(__KERNEL__)
typedef struct _PVRSRV_DEVICE_NODE_ *SHARED_DEV_CONNECTION;
#else
typedef IMG_HANDLE SHARED_DEV_CONNECTION;
#endif

/******************************************************************************
 * Device capability flags and masks
 *****************************************************************************/

/* Flag to be passed over the bridge during connection stating whether CPU cache coherent is available*/
#define PVRSRV_CACHE_COHERENT_SHIFT (0)
#define	PVRSRV_CACHE_COHERENT_DEVICE_FLAG (1U << PVRSRV_CACHE_COHERENT_SHIFT)
#define	PVRSRV_CACHE_COHERENT_CPU_FLAG (2U << PVRSRV_CACHE_COHERENT_SHIFT)
#define PVRSRV_CACHE_COHERENT_MASK (3U << PVRSRV_CACHE_COHERENT_SHIFT)

/* Flag to be passed over the bridge during connection stating whether CPU non-mappable memory is present */
#define PVRSRV_NONMAPPABLE_MEMORY_PRESENT_SHIFT (3)
#define PVRSRV_NONMAPPABLE_MEMORY_PRESENT_FLAG (1U << PVRSRV_NONMAPPABLE_MEMORY_PRESENT_SHIFT)

/* Flag to be passed over the bridge during connection stating SVM allocation availability */
#define PVRSRV_DEVMEM_SVM_ALLOC_SHIFT (4)
#define PVRSRV_DEVMEM_SVM_ALLOC_UNSUPPORTED (1U << PVRSRV_DEVMEM_SVM_ALLOC_SHIFT)
#define PVRSRV_DEVMEM_SVM_ALLOC_SUPPORTED (2U << PVRSRV_DEVMEM_SVM_ALLOC_SHIFT)
#define PVRSRV_DEVMEM_SVM_ALLOC_CANFAIL (4U << PVRSRV_DEVMEM_SVM_ALLOC_SHIFT)

#endif /* !defined(__DEVICE_CONNECTION_H__) */