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/*
* SPDX-FileCopyrightText: Copyright (c) 1993-2006 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: MIT
*
* 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.
*/
/***************************************************************************\
|* *|
|* NV GPU Types *|
|* *|
|* This header contains definitions describing NVIDIA's GPU hardware state. *|
|* *|
\***************************************************************************/
#ifndef NVGPUTYPES_INCLUDED
#define NVGPUTYPES_INCLUDED
#ifdef __cplusplus
extern "C" {
#endif
#include "nvtypes.h"
/***************************************************************************\
|* NvNotification *|
\***************************************************************************/
/***** NvNotification Structure *****/
/*
* NV objects return information about method completion to clients via an
* array of notification structures in main memory.
*
* The client sets the status field to NV???_NOTIFICATION_STATUS_IN_PROGRESS.
* NV fills in the NvNotification[] data structure in the following order:
* timeStamp, otherInfo32, otherInfo16, and then status.
*/
/* memory data structures */
typedef volatile struct NvNotificationRec {
struct { /* 0000- */
NvU32 nanoseconds[2]; /* nanoseconds since Jan. 1, 1970 0- 7*/
} timeStamp; /* -0007*/
NvV32 info32; /* info returned depends on method 0008-000b*/
NvV16 info16; /* info returned depends on method 000c-000d*/
NvV16 status; /* user sets bit 15, NV sets status 000e-000f*/
} NvNotification;
/***************************************************************************\
|* NvGpuSemaphore *|
\***************************************************************************/
/***** NvGpuSemaphore Structure *****/
/*
* NvGpuSemaphore objects are used by the GPU to synchronize multiple
* command-streams.
*
* Please refer to class documentation for details regarding the content of
* the data[] field.
*/
/* memory data structures */
typedef volatile struct NvGpuSemaphoreRec {
NvV32 data[2]; /* Payload/Report data 0000-0007*/
struct { /* 0008- */
NvV32 nanoseconds[2]; /* nanoseconds since Jan. 1, 1970 8- f*/
} timeStamp; /* -000f*/
} NvGpuSemaphore;
/***************************************************************************\
|* NvGetReport *|
\***************************************************************************/
/*
* NV objects, starting with Kelvin, return information such as pixel counts to
* the user via the NV*_GET_REPORT method.
*
* The client fills in the "zero" field to any nonzero value and waits until it
* becomes zero. NV fills in the timeStamp, value, and zero fields.
*/
typedef volatile struct NVGetReportRec {
struct { /* 0000- */
NvU32 nanoseconds[2]; /* nanoseconds since Jan. 1, 1970 0- 7*/
} timeStamp; /* -0007*/
NvU32 value; /* info returned depends on method 0008-000b*/
NvU32 zero; /* always written to zero 000c-000f*/
} NvGetReport;
/***************************************************************************\
|* NvRcNotification *|
\***************************************************************************/
/*
* NV robust channel notification information is reported to clients via
* standard NV01_EVENT objects bound to instance of the NV*_CHANNEL_DMA and
* NV*_CHANNEL_GPFIFO objects.
*/
typedef struct NvRcNotificationRec {
struct {
NvU32 nanoseconds[2]; /* nanoseconds since Jan. 1, 1970 0- 7*/
} timeStamp; /* -0007*/
NvU32 exceptLevel; /* exception level 000c-000f*/
NvU32 exceptType; /* exception type 0010-0013*/
} NvRcNotification;
/***************************************************************************\
|* NvSyncPointFence *|
\***************************************************************************/
/***** NvSyncPointFence Structure *****/
/*
* NvSyncPointFence objects represent a syncpoint event. The syncPointID
* identifies the syncpoint register and the value is the value that the
* register will contain right after the event occurs.
*
* If syncPointID contains NV_INVALID_SYNCPOINT_ID then this is an invalid
* event. This is often used to indicate an event in the past (i.e. no need to
* wait).
*
* For more info on syncpoints refer to Mobile channel and syncpoint
* documentation.
*/
typedef struct NvSyncPointFenceRec {
NvU32 syncPointID;
NvU32 value;
} NvSyncPointFence;
#define NV_INVALID_SYNCPOINT_ID ((NvU32)-1)
/***************************************************************************\
|* *|
|* 64 bit type definitions for use in interface structures. *|
|* *|
\***************************************************************************/
#if !defined(XAPIGEN) /* NvOffset is XAPIGEN builtin type, so skip typedef */
typedef NvU64 NvOffset; /* GPU address */
#endif
#define NvOffset_HI32(n) ((NvU32)(((NvU64)(n)) >> 32))
#define NvOffset_LO32(n) ((NvU32)((NvU64)(n)))
/*
* There are two types of GPU-UUIDs available:
*
* (1) a SHA-256 based 32 byte ID, formatted as a 64 character
* hexadecimal string as "GPU-%16x-%08x-%08x-%08x-%024x"; this is
* deprecated.
*
* (2) a SHA-1 based 16 byte ID, formatted as a 32 character
* hexadecimal string as "GPU-%08x-%04x-%04x-%04x-%012x" (the
* canonical format of a UUID); this is the default.
*/
#define NV_GPU_UUID_SHA1_LEN (16)
#define NV_GPU_UUID_SHA256_LEN (32)
#define NV_GPU_UUID_LEN NV_GPU_UUID_SHA1_LEN
#ifdef __cplusplus
};
#endif
#endif /* NVGPUTYPES_INCLUDED */
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