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

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

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 19 of file hvm.h.

Referenced by hvm_cpuid_base().

HVM_CPUID_MAX

#define HVM_CPUID_MAX   0x4000ff00UL

Maximum CPUID base.

Definition at line 22 of file hvm.h.

Referenced by hvm_cpuid_base().

HVM_CPUID_STEP

#define HVM_CPUID_STEP   0x00000100UL

Increment between CPUID bases.

Definition at line 25 of file hvm.h.

Referenced by hvm_cpuid_base().

HVM_CPUID_MAGIC

#define HVM_CPUID_MAGIC   "XenVMMXenVMM"

Magic signature.

Definition at line 28 of file hvm.h.

Referenced by hvm_cpuid_base().

HVM_CPUID_VERSION

#define HVM_CPUID_VERSION   1

Get Xen version.

Definition at line 31 of file hvm.h.

Referenced by hvm_cpuid_base().

HVM_CPUID_PAGES

#define HVM_CPUID_PAGES   2

Get number of hypercall pages.

Definition at line 34 of file hvm.h.

Referenced by hvm_map_hypercall().

HVM_MMIO_BAR

#define HVM_MMIO_BAR   PCI_BASE_ADDRESS_1

PCI MMIO BAR.

Definition at line 37 of file hvm.h.

Referenced by hvm_probe().

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

FILE_SECBOOT()

FILE_SECBOOT

(

PERMITTED

)

xen_hvm_get_param()

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 65 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, and value.

Referenced by hvm_map_xenstore().