1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 **************************************************************************** 11 ****************************************************************************/ 12 #ifndef __HYPERCALL_H__ 13 #define __HYPERCALL_H__ 14 15 #include <linux/errno.h> 16 #include <linux/string.h> 17 18 #include <xen/interface/xen.h> 19 #include <xen/interface/sched.h> 20 #include <xen/interface/physdev.h> 21 22 #define _hypercall0(type, name) ({ long __res; asm volatile ( "call %[call]" : "=a" (__res) : [call] "m" (hypercall_page[__HYPERVISOR_##name]) : "memory" ); (type)__res; }) 23 24 #define _hypercall1(type, name, a1) ({ long __res, __ign1; asm volatile ( "call %[call]" : "=a" (__res), "=b" (__ign1) : "1" ((long)(a1)), [call] "m" (hypercall_page[__HYPERVISOR_##name]) : "memory" ); (type)__res; }) 25 26 #define _hypercall2(type, name, a1, a2) ({ long __res, __ign1, __ign2; asm volatile ( "call %[call]" : "=a" (__res), "=b" (__ign1), "=c" (__ign2) : "1" ((long)(a1)), "2" ((long)(a2)), [call] "m" (hypercall_page[__HYPERVISOR_##name]) : "memory" ); (type)__res; }) 27 28 #define _hypercall3(type, name, a1, a2, a3) ({ long __res, __ign1, __ign2, __ign3; asm volatile ( "call %[call]" : "=a" (__res), "=b" (__ign1), "=c" (__ign2), "=d" (__ign3) : "1" ((long)(a1)), "2" ((long)(a2)), "3" ((long)(a3)), [call] "m" (hypercall_page[__HYPERVISOR_##name]) : "memory" ); (type)__res; }) 29 30 #define _hypercall4(type, name, a1, a2, a3, a4) ({ long __res, __ign1, __ign2, __ign3, __ign4; asm volatile ( "call %[call]" : "=a" (__res), "=b" (__ign1), "=c" (__ign2), "=d" (__ign3), "=S" (__ign4) : "1" ((long)(a1)), "2" ((long)(a2)), "3" ((long)(a3)), "4" ((long)(a4)), [call] "m" (hypercall_page[__HYPERVISOR_##name]) : "memory" ); (type)__res; }) 31 32 #define _hypercall5(type, name, a1, a2, a3, a4, a5) ({ long __res, __ign1, __ign2, __ign3, __ign4, __ign5; asm volatile ( "call %[call]" : "=a" (__res), "=b" (__ign1), "=c" (__ign2), "=d" (__ign3), "=S" (__ign4), "=D" (__ign5) : "1" ((long)(a1)), "2" ((long)(a2)), "3" ((long)(a3)), "4" ((long)(a4)), "5" ((long)(a5)), [call] "m" (hypercall_page[__HYPERVISOR_##name]) : "memory" ); (type)__res; }) 33 34 #endif 35
