kernel_dt_service.h File Reference

Detailed Description

NVIDIA Quickboot Interface: Kernel Device Tree Service

Description: This file declares APIs and data structures required for kernel DT services.

Definition in file kernel_dt_service.h.

Go to the source code of this file.

Data Structures
struct	DtUartInfoRec
struct	DtUpdateInfoRec

Macros
#define	DTB_CMDLINE   0x00000001
#define	DTB_REVISION   0x00000002
#define	DTB_INITRD2   0x00000003
#define	DTB_MEMINFO   0x00000005
#define	DTB_CVCARVEOUT   0x00000006
#define	DTB_RESETSTATUS   0x00000007
#define	DTB_FLOORSWEPT   0x00000008
#define	DTB_BOARD_INFO   0x00000009
#define	DTB_KLOGBUF   0x0000000A
#define	DTB_BOOTDATA   0x0000000B
#define	DTB_CHIP_VERSION   0x0000000C
#define	DTB_BL_VERSIONINFO   0x0000000D
#define	DTB_UPDATEINFO   0x0000000E
#define	DTB_RATCHETINFO   0x0000000F
#define	DT_STRING_LENGTH   20

Typedefs
typedef struct DtUartInfoRec	DtUartInfo
typedef struct DtUpdateInfoRec	DtUpdateInfo

Functions
NvError	QbLoadKernelDtbImageFromRAM (void *pHdr, void **pImage, NvU32 *pDtbSize)
	Wrapper function that copies DT from RCM image in RAM to a new address with additional space allocated for nodes to be added by boot loader. More...
NvError	QbCreateSpaceinDtb (void)
	Creates space in the DTB for adding nodes and command lines. More...
NvError	AddDTTag (NvU32 DTtag, NvU32 DataSize, void *pData)
	Adds or modifies new nodes to DT similar to ATAGS . More...
NvError	QbDelDTNode (const NvS8 *pNodeStr)
	Deletes a node from device tree. More...
NvError	QbDelProperty (const NvS8 *pNodeStr, const NvS8 *pProperty)
	Deletes the specified property from the given node of the device tree. More...
NvError	QbModifyFirstSubnodeProperty (const NvS8 *pCompatible, const NvS8 *pSubNode, const NvS8 *pProp, const NvS8 *pValue)
	Modifies the property value in a sub-node in DTB. More...
NvError	QbGetlogBufSize (NvU64 *)
	Get the klog buffer size in MB. More...
NvError	QbGetCmdLineFromDtb (NvS8 *pCmdLine, NvU32 Size)
	Get the CmdLine from DTB. More...