hvm.h File Reference

Xen HVM driver. More...

#include <stdint.h>
#include <ipxe/xen.h>
#include <xen/hvm/hvm_op.h>
#include <xen/hvm/params.h>

Go to the source code of this file.

Data Structures
struct	hvm_device
	A Xen HVM device. More...

Macros
#define	HVM_CPUID_MIN   0x40000000UL
	Minimum CPUID base. More...
#define	HVM_CPUID_MAX   0x4000ff00UL
	Maximum CPUID base. More...
#define	HVM_CPUID_STEP   0x00000100UL
	Increment between CPUID bases. More...
#define	HVM_CPUID_MAGIC   "XenVMMXenVMM"
	Magic signature. More...
#define	HVM_CPUID_VERSION   1
	Get Xen version. More...
#define	HVM_CPUID_PAGES   2
	Get number of hypercall pages. More...
#define	HVM_MMIO_BAR   PCI_BASE_ADDRESS_1
	PCI MMIO BAR. More...

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
static int	xen_hvm_get_param (struct xen_hypervisor *xen, unsigned int index, uint64_t *value)
	Get HVM parameter value. More...

Detailed Description

Xen HVM driver.

Definition in file hvm.h.

Macro Definition Documentation

HVM_CPUID_MIN

#define HVM_CPUID_MIN   0x40000000UL

Minimum CPUID base.

Definition at line 18 of file hvm.h.

HVM_CPUID_MAX

#define HVM_CPUID_MAX   0x4000ff00UL

Maximum CPUID base.

Definition at line 21 of file hvm.h.

HVM_CPUID_STEP

#define HVM_CPUID_STEP   0x00000100UL

Increment between CPUID bases.

Definition at line 24 of file hvm.h.

HVM_CPUID_MAGIC

#define HVM_CPUID_MAGIC   "XenVMMXenVMM"

Magic signature.

Definition at line 27 of file hvm.h.

HVM_CPUID_VERSION

#define HVM_CPUID_VERSION   1

Get Xen version.

Definition at line 30 of file hvm.h.

HVM_CPUID_PAGES

#define HVM_CPUID_PAGES   2

Get number of hypercall pages.

Definition at line 33 of file hvm.h.

HVM_MMIO_BAR

#define HVM_MMIO_BAR   PCI_BASE_ADDRESS_1

PCI MMIO BAR.

Definition at line 36 of file hvm.h.

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

xen_hvm_get_param()

static int xen_hvm_get_param ( struct xen_hypervisor *  xen, unsigned int  index, uint64_t *  value  )

inlinestatic

Get HVM parameter value.

Parameters

xen	Xen hypervisor
index	Parameter index
value	Value to fill in

Return values

xenrc

Xen status code

Definition at line 64 of file hvm.h.

                                                                            {
        struct xen_hvm_param param;
        int xenrc;

        param.domid = DOMID_SELF;
        param.index = index;
        xenrc = xen_hypercall_2 ( xen, __HYPERVISOR_hvm_op, HVMOP_get_param,
                                  virt_to_phys ( &param ) );
        *value = param.value;
        return xenrc;
}

References __HYPERVISOR_hvm_op, DOMID_SELF, HVMOP_get_param, index, param, value, and virt_to_phys().

Referenced by hvm_map_xenstore().