xpciepsu_caps.c File Reference

Overview

Implements all of supportive functions to expose PCIe capabilities.

MODIFICATION HISTORY:

Ver   Who  Date     Changes



1.0     bs      08/21/2018      First release

Functions
u8	XPciePsu_HasCapability (XPciePsu *InstancePtr, u8 Bus, u8 Device, u8 Function, u8 CapId)
	This function returns whether capability Id is available or not for the particular Function. More...
u8	XPciePsu_PrintAllCapabilites (XPciePsu *InstancePtr, u8 Bus, u8 Device, u8 Function)
	This function prints all the available capabilities in the Function. More...

Function Documentation

u8 XPciePsu_HasCapability	(	XPciePsu *	InstancePtr,
		u8	Bus,
		u8	Device,
		u8	Function,
		u8	CapId
	)

This function returns whether capability Id is available or not for the particular Function.

Parameters

InstancePtr	pointer to XPciePsu Instance Pointer
Bus	is the number of the Bus
Device	is the number of the Device
Function	is number of the Function
cap	id to check capability pointer availability

Returns

u32 0 if capability is not available 1 if capability is available

References XPciePsu_ReadConfigSpace().

u8 XPciePsu_PrintAllCapabilites	(	XPciePsu *	InstancePtr,
		u8	Bus,
		u8	Device,
		u8	Function
	)

This function prints all the available capabilities in the Function.

Parameters

InstancePtr	pointer to XPciePsu Instance Pointer
Bus	is the number of the Bus
Device	is the number of the Device
Function	is number of the Function

Returns

XST_SUCCESS on success XST_FAILURE on failure.

References XPciePsu_ReadConfigSpace().