General NVAPI Defines, Structs, and Enums

Data Structures
struct	NvSBox
struct	NvGUID

Macros
#define	NVAPI_GENERIC_STRING_MAX   4096
#define	NVAPI_LONG_STRING_MAX   256
#define	NVAPI_SHORT_STRING_MAX   64
#define	NvGUID_Defined
#define	NVAPI_MAX_PHYSICAL_GPUS   64
#define	NVAPI_MAX_PHYSICAL_BRIDGES   100
#define	NVAPI_PHYSICAL_GPUS   32
#define	NVAPI_MAX_LOGICAL_GPUS   64
#define	NVAPI_MAX_AVAILABLE_GPU_TOPOLOGIES   256
#define	NVAPI_MAX_AVAILABLE_SLI_GROUPS   256
#define	NVAPI_MAX_GPU_TOPOLOGIES   NVAPI_MAX_PHYSICAL_GPUS
#define	NVAPI_MAX_GPU_PER_TOPOLOGY   8
#define	NVAPI_MAX_DISPLAY_HEADS   2
#define	NVAPI_ADVANCED_DISPLAY_HEADS   4
#define	NVAPI_MAX_DISPLAYS   NVAPI_PHYSICAL_GPUS * NVAPI_ADVANCED_DISPLAY_HEADS
#define	NVAPI_MAX_ACPI_IDS   16
#define	NVAPI_MAX_VIEW_MODES   8
#define	NVAPI_SYSTEM_MAX_HWBCS   128
#define	NVAPI_SYSTEM_HWBC_INVALID_ID   0xffffffff
#define	NVAPI_SYSTEM_MAX_DISPLAYS   NVAPI_MAX_PHYSICAL_GPUS * NV_MAX_HEADS
#define	NV_MAX_HEADS   4
#define	NVAPI_MAX_HEADS_PER_GPU   32
#define	NV_MAX_VID_STREAMS   4
#define	NV_MAX_VID_STREAMS_EX   20
#define	NV_MAX_VID_PROFILES   4
#define	NVAPI_MAX_AUDIO_DEVICES   16
#define	MAKE_NVAPI_VERSION(typeName, ver)   (NvU32)(sizeof(typeName) | ((ver)<<16))
#define	GET_NVAPI_VERSION(ver)   (NvU32)((ver)>>16)
#define	GET_NVAPI_SIZE(ver)   (NvU32)((ver) & 0xffff)

Typedefs
typedef struct NvGUID	NvLUID
typedef char	NvAPI_String[NVAPI_GENERIC_STRING_MAX]
typedef char	NvAPI_LongString[NVAPI_LONG_STRING_MAX]
typedef char	NvAPI_ShortString[NVAPI_SHORT_STRING_MAX]
typedef NvU16	NvAPI_UnicodeShortString[NVAPI_SHORT_STRING_MAX]

Detailed Description

<>

Macro Definition Documentation

GET_NVAPI_SIZE

#define GET_NVAPI_SIZE

(

ver

)

(NvU32)((ver) & 0xffff)

GET_NVAPI_VERSION

#define GET_NVAPI_VERSION

(

ver

)

(NvU32)((ver)>>16)

MAKE_NVAPI_VERSION

#define MAKE_NVAPI_VERSION	(		typeName,
			ver
	)		(NvU32)(sizeof(typeName) | ((ver)<<16))

NvAPI Version Definition
Maintain per structure specific version define using the MAKE_NVAPI_VERSION macro.
Usage: #define NV_GENLOCK_STATUS_VER MAKE_NVAPI_VERSION(NV_GENLOCK_STATUS, 1)

NV_MAX_HEADS

#define NV_MAX_HEADS   4

Maximum heads, each with NVAPI_DESKTOP_RES resolution.

NV_MAX_VID_PROFILES

#define NV_MAX_VID_PROFILES   4

Maximum number of output video profiles supported.

NV_MAX_VID_STREAMS

#define NV_MAX_VID_STREAMS   4

Maximum number of input video streams, each with a #NVAPI_VIDEO_SRC_INFO.

NV_MAX_VID_STREAMS_EX

#define NV_MAX_VID_STREAMS_EX   20

Increasing MAX no. of input video streams, each with a #NVAPI_VIDEO_SRC_INFO.

NVAPI_ADVANCED_DISPLAY_HEADS

#define NVAPI_ADVANCED_DISPLAY_HEADS   4

NVAPI_GENERIC_STRING_MAX

#define NVAPI_GENERIC_STRING_MAX   4096

NVAPI_LONG_STRING_MAX

#define NVAPI_LONG_STRING_MAX   256

NVAPI_MAX_ACPI_IDS

#define NVAPI_MAX_ACPI_IDS   16

NVAPI_MAX_AUDIO_DEVICES

#define NVAPI_MAX_AUDIO_DEVICES   16

NVAPI_MAX_AVAILABLE_GPU_TOPOLOGIES

#define NVAPI_MAX_AVAILABLE_GPU_TOPOLOGIES   256

NVAPI_MAX_AVAILABLE_SLI_GROUPS

#define NVAPI_MAX_AVAILABLE_SLI_GROUPS   256

NVAPI_MAX_DISPLAY_HEADS

#define NVAPI_MAX_DISPLAY_HEADS   2

NVAPI_MAX_DISPLAYS

#define NVAPI_MAX_DISPLAYS   NVAPI_PHYSICAL_GPUS * NVAPI_ADVANCED_DISPLAY_HEADS

NVAPI_MAX_GPU_PER_TOPOLOGY

#define NVAPI_MAX_GPU_PER_TOPOLOGY   8

NVAPI_MAX_GPU_TOPOLOGIES

#define NVAPI_MAX_GPU_TOPOLOGIES   NVAPI_MAX_PHYSICAL_GPUS

NVAPI_MAX_HEADS_PER_GPU

#define NVAPI_MAX_HEADS_PER_GPU   32

NVAPI_MAX_LOGICAL_GPUS

#define NVAPI_MAX_LOGICAL_GPUS   64

NVAPI_MAX_PHYSICAL_BRIDGES

#define NVAPI_MAX_PHYSICAL_BRIDGES   100

NVAPI_MAX_PHYSICAL_GPUS

#define NVAPI_MAX_PHYSICAL_GPUS   64

NVAPI_MAX_VIEW_MODES

#define NVAPI_MAX_VIEW_MODES   8

NVAPI_PHYSICAL_GPUS

#define NVAPI_PHYSICAL_GPUS   32

NVAPI_SHORT_STRING_MAX

#define NVAPI_SHORT_STRING_MAX   64

NVAPI_SYSTEM_HWBC_INVALID_ID

#define NVAPI_SYSTEM_HWBC_INVALID_ID   0xffffffff

NVAPI_SYSTEM_MAX_DISPLAYS

#define NVAPI_SYSTEM_MAX_DISPLAYS   NVAPI_MAX_PHYSICAL_GPUS * NV_MAX_HEADS

NVAPI_SYSTEM_MAX_HWBCS

#define NVAPI_SYSTEM_MAX_HWBCS   128

NvGUID_Defined

#define NvGUID_Defined

Typedef Documentation

NvAPI_LongString

typedef char NvAPI_LongString[NVAPI_LONG_STRING_MAX]

NvAPI_ShortString

typedef char NvAPI_ShortString[NVAPI_SHORT_STRING_MAX]

NvAPI_String

typedef char NvAPI_String[NVAPI_GENERIC_STRING_MAX]

NvAPI_UnicodeShortString

typedef NvU16 NvAPI_UnicodeShortString[NVAPI_SHORT_STRING_MAX]

NvLUID

typedef struct NvGUID NvLUID