idt.h File Reference

x86 IDT vector infrastructure. More...

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Data Structures
struct	xtf_idte
	A guest agnostic represention of IDT information. More...

Macros
#define	X86_VEC_RET2KERN   0x20
	Return to kernel mode. More...
#define	X86_VEC_AVAIL   0x21
	Available for test use. More...

Functions
int	xtf_set_idte (unsigned int vector, const struct xtf_idte *idte)
	Set up an IDT Entry, in a guest agnostic way. More...

Detailed Description

x86 IDT vector infrastructure.

Definition in file idt.h.

Macro Definition Documentation

X86_VEC_RET2KERN

#define X86_VEC_RET2KERN   0x20

Return to kernel mode.

To enable easy transition between user and kernel mode for tests.

Definition at line 15 of file idt.h.

X86_VEC_AVAIL

#define X86_VEC_AVAIL   0x21

Available for test use.

Definition at line 20 of file idt.h.

Function Documentation

xtf_set_idte()

int xtf_set_idte	(	unsigned int	vector,
		const struct xtf_idte *	idte
	)

Set up an IDT Entry, in a guest agnostic way.

Construct an IDT Entry at the specified vector, using configuration provided in idte.

Parameters

vector	Vector to set up.
idte	Details to set up.

Returns

0 for HVM guests, hypercall result for PV guests.

Definition at line 73 of file traps.c.

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