vcpu.h File Reference

vCPU API More...

#include <l4/sys/types.h>
#include <l4/sys/__vcpu-arch.h>

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Data Structures
struct	l4_vcpu_state_t
	State of a vCPU. More...

Typedefs
typedef struct l4_vcpu_state_t	l4_vcpu_state_t
	State of a vCPU.

Enumerations
enum	L4_vcpu_state_flags {   L4_VCPU_F_IRQ = 0x01 , L4_VCPU_F_PAGE_FAULTS = 0x02 , L4_VCPU_F_EXCEPTIONS = 0x04 , L4_VCPU_F_USER_MODE = 0x20 ,   L4_VCPU_F_FPU_ENABLED = 0x80 }
	State flags of a vCPU. More...
enum	L4_vcpu_sticky_flags { L4_VCPU_SF_IRQ_PENDING = 0x01 }
	Sticky flags of a vCPU. More...
enum	L4_vcpu_state_offset { L4_VCPU_OFFSET_EXT_STATE = 0x400 , L4_VCPU_OFFSET_EXT_INFOS = 0x200 }
	Offsets for vCPU state layouts. More...

Functions
int	l4_vcpu_check_version (l4_vcpu_state_t const *vcpu) L4_NOTHROW
	Check if a vCPU state has the right version.

Detailed Description

vCPU API

Definition in file vcpu.h.

Function Documentation

l4_vcpu_check_version()

int l4_vcpu_check_version ( l4_vcpu_state_t const *  vcpu )

inline

Check if a vCPU state has the right version.

Parameters

vcpu	A pointer to an initialized vCPU state.

Return values

1	If the vCPU state has a matching version ID for the current vCPU user-level structures.
0	If the vCPU state has a different (incompatible) version ID than the current vCPU user-level structures.

Definition at line 212 of file vcpu.h.

References L4_VCPU_STATE_VERSION, and l4_vcpu_state_t::version.