hyperv.h File Reference

Hyper-V interface. More...

#include <stddef.h>
#include <stdint.h>
#include <ipxe/io.h>

Go to the source code of this file.

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
static	__attribute__ ((always_inline)) int hv_call(struct hv_hypervisor *hv
	Issue hypercall. More...
__asm__	__volatile__ ("call *%9" :"=a"(result), "=c"(discard_ecx), "=d"(discard_edx) :"d"(0), "a"(code), "b"(0), "c"(in_phys), "D"(0), "S"(out_phys), "m"(hypercall))

Variables
static unsigned int	code
static unsigned int const void *	in
static unsigned int const void void *	out
uint32_t	in_phys
uint32_t	out_phys
uint32_t	discard_ecx
uint32_t	discard_edx
uint16_t	result

Detailed Description

Hyper-V interface.

Definition in file hyperv.h.

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

__attribute__()

static __attribute__ ( (always_inline)  )

inlinestatic

Issue hypercall.

Parameters

hv	Hyper-V hypervisor
code	Call code
in	Input parameters
out	Output parameters

Return values

status

Status code

__volatile__()

__asm__ __volatile__

(

)

Variable Documentation

code

unsigned int code

Definition at line 26 of file hyperv.h.

in

unsigned int const void* in

Definition at line 26 of file hyperv.h.

out

unsigned int const void void* out

Initial value:

{
        void *hypercall = hv->hypercall

Definition at line 27 of file hyperv.h.

in_phys

in_phys

Initial value:

= ( ( __builtin_constant_p ( in ) && ( in == NULL ) )
                       ? 0 : virt_to_phys ( in ) )

Definition at line 29 of file hyperv.h.

out_phys

out_phys

Initial value:

= ( ( __builtin_constant_p ( out ) && ( out == NULL ) )
                       ? 0 : virt_to_phys ( out ) )

Definition at line 30 of file hyperv.h.

discard_ecx

uint32_t discard_ecx

Definition at line 31 of file hyperv.h.

Referenced by __attribute__(), hv_check_features(), hv_check_hv(), hv_map_hypercall(), hv_timer_probe(), hvm_cpuid_base(), and hvm_map_hypercall().

discard_edx

uint32_t discard_edx

Definition at line 32 of file hyperv.h.

Referenced by hv_check_features(), hv_check_hv(), hv_map_hypercall(), hv_timer_probe(), hvm_cpuid_base(), and hvm_map_hypercall().

result

return result

Definition at line 33 of file hyperv.h.