xen.h File Reference

Xen interface. More...

Go to the source code of this file.

Data Structures
struct	xen_hypercall
	A hypercall entry point. More...

Macros
#define	XEN_REG1   "ebx"
#define	XEN_REG2   "ecx"
#define	XEN_REG3   "edx"
#define	XEN_REG4   "esi"
#define	XEN_REG5   "edi"

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
	FILE_SECBOOT (PERMITTED)
struct xen_hypercall	__attribute__ ((packed))
static	__attribute__ ((always_inline)) unsigned long xen_hypercall_1(struct xen_hypervisor *xen
	Issue hypercall with one argument.
__asm__	__volatile__ ("call *%2" :"=a"(retval), "+r"(reg1) :"r"(&xen->hypercall[hypercall]) :XEN_REG2, XEN_REG3, XEN_REG4, XEN_REG5, "memory")
register unsigned long reg2	asm (XEN_REG2) = arg2
register unsigned long reg3	asm (XEN_REG3) = arg3
register unsigned long reg4	asm (XEN_REG4) = arg4
register unsigned long reg5	asm (XEN_REG5)

Variables
uint8_t	code [32]
	Code generated by hypervisor.
static unsigned int	hypercall
static unsigned int unsigned long	arg1
unsigned long	retval
static unsigned int unsigned long unsigned long	arg2
static unsigned int unsigned long unsigned long unsigned long	arg3
static unsigned int unsigned long unsigned long unsigned long unsigned long	arg4
static unsigned int unsigned long unsigned long unsigned long unsigned long unsigned long	arg5

Detailed Description

Xen interface.

Definition in file xen.h.

Macro Definition Documentation

XEN_REG1

#define XEN_REG1   "ebx"

Definition at line 21 of file xen.h.

XEN_REG2

#define XEN_REG2   "ecx"

Definition at line 22 of file xen.h.

Referenced by __volatile__(), and asm().

XEN_REG3

#define XEN_REG3   "edx"

Definition at line 23 of file xen.h.

Referenced by __volatile__(), asm(), and asm().

XEN_REG4

#define XEN_REG4   "esi"

Definition at line 24 of file xen.h.

Referenced by __volatile__(), asm(), asm(), and asm().

XEN_REG5

#define XEN_REG5   "edi"

Definition at line 25 of file xen.h.

Referenced by __volatile__(), asm(), asm(), asm(), and asm().

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

FILE_SECBOOT()

FILE_SECBOOT

(

PERMITTED

)

__attribute__()

__attribute__ ( (always_inline) )

inlinestatic

Issue hypercall with one argument.

Issue hypercall with five arguments.

Issue hypercall with four arguments.

Issue hypercall with three arguments.

Issue hypercall with two arguments.

Parameters

xen	Xen hypervisor
hypercall	Hypercall number
arg1	First argument

Return values

retval

Return value

Parameters

xen	Xen hypervisor
hypercall	Hypercall number
arg1	First argument
arg2	Second argument

Return values

retval

Return value

Parameters

xen	Xen hypervisor
hypercall	Hypercall number
arg1	First argument
arg2	Second argument
arg3	Third argument

Return values

retval

Return value

Parameters

xen	Xen hypervisor
hypercall	Hypercall number
arg1	First argument
arg2	Second argument
arg3	Third argument
arg4	Fourth argument

Return values

retval

Return value

Parameters

xen	Xen hypervisor
hypercall	Hypercall number
arg1	First argument
arg2	Second argument
arg3	Third argument
arg4	Fourth argument
arg5	Fifth argument

Return values

retval

Return value

__volatile__()

__asm__ __volatile__

(

)

References __asm__(), hypercall, retval, XEN_REG2, XEN_REG3, XEN_REG4, and XEN_REG5.

asm() [1/4]

register unsigned long reg2 asm

(

XEN_REG2

)

= arg2

References __asm__(), arg2, hypercall, retval, XEN_REG2, XEN_REG3, XEN_REG4, and XEN_REG5.

Referenced by asm().

asm() [2/4]

register unsigned long reg3 asm

(

XEN_REG3

)

= arg3

References __asm__(), arg3, hypercall, retval, XEN_REG3, XEN_REG4, and XEN_REG5.

asm() [3/4]

register unsigned long reg4 asm

(

XEN_REG4

)

= arg4

References __asm__(), arg4, hypercall, retval, XEN_REG4, and XEN_REG5.

asm() [4/4]

register unsigned long reg5 asm

(

XEN_REG5

)

References __asm__(), arg5, hypercall, retval, and XEN_REG5.

Variable Documentation

code

uint8_t code[32]

Code generated by hypervisor.

Definition at line 1 of file xen.h.

hypercall

unsigned int hypercall

Definition at line 43 of file xen.h.

Referenced by __volatile__(), __volatile__(), asm(), asm(), asm(), asm(), hv_map_hypercall(), and hv_unmap_hypercall().

arg1

unsigned int unsigned long arg1

Initial value:

{
        register unsigned long reg1 asm ( XEN_REG1 ) = arg1

Definition at line 44 of file xen.h.

Referenced by b44_phy_read(), b44_phy_write(), and phantom_issue_cmd().

retval

return retval

Definition at line 46 of file xen.h.

Referenced by __volatile__(), asm(), asm(), asm(), asm(), ath5k_hw_bitswap(), ath9k_hw_reverse_bits(), ath_rx_tasklet(), edit_string(), eeprom_read(), mdio_read(), mdio_read(), mdio_read(), mii_rw(), nv_update_linkspeed(), read_eeprom(), read_eeprom(), read_eeprom(), sis900_mdio_read(), and sis900_read_eeprom().

arg2

unsigned int unsigned long unsigned long arg2

Initial value:

{
        register unsigned long reg1 asm ( XEN_REG1 ) = arg1

Definition at line 67 of file xen.h.

Referenced by asm(), b44_phy_read(), b44_phy_write(), and phantom_issue_cmd().

arg3

unsigned int unsigned long unsigned long unsigned long arg3

Initial value:

{
        register unsigned long reg1 asm ( XEN_REG1 ) = arg1

Definition at line 91 of file xen.h.

Referenced by asm(), b44_phy_read(), b44_phy_write(), and phantom_issue_cmd().

arg4

unsigned int unsigned long unsigned long unsigned long unsigned long arg4

Initial value:

{
        register unsigned long reg1 asm ( XEN_REG1 ) = arg1

Definition at line 119 of file xen.h.

Referenced by asm(), b44_phy_read(), and b44_phy_write().

arg5

unsigned int unsigned long unsigned long unsigned long unsigned long unsigned long arg5

Initial value:

{
        register unsigned long reg1 asm ( XEN_REG1 ) = arg1

Definition at line 149 of file xen.h.

Referenced by asm(), and b44_phy_write().