From 4c071ee5268f7234c3d084b6093bebccc28cdcba Mon Sep 17 00:00:00 2001 From: Stefano Stabellini Date: Fri, 14 Sep 2012 13:53:39 +0000 Subject: arm: initial Xen support - Basic hypervisor.h and interface.h definitions. - Skeleton enlighten.c, set xen_start_info to an empty struct. - Make xen_initial_domain dependent on the SIF_PRIVILIGED_BIT. The new code only compiles when CONFIG_XEN is set, that is going to be added to arch/arm/Kconfig in patch #11 "xen/arm: introduce CONFIG_XEN on ARM". Changes in v3: - improve comments. Signed-off-by: Stefano Stabellini Acked-by: Konrad Rzeszutek Wilk --- arch/arm/include/asm/xen/hypervisor.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 arch/arm/include/asm/xen/hypervisor.h (limited to 'arch/arm/include/asm/xen/hypervisor.h') diff --git a/arch/arm/include/asm/xen/hypervisor.h b/arch/arm/include/asm/xen/hypervisor.h new file mode 100644 index 000000000000..d7ab99a0c9eb --- /dev/null +++ b/arch/arm/include/asm/xen/hypervisor.h @@ -0,0 +1,19 @@ +#ifndef _ASM_ARM_XEN_HYPERVISOR_H +#define _ASM_ARM_XEN_HYPERVISOR_H + +extern struct shared_info *HYPERVISOR_shared_info; +extern struct start_info *xen_start_info; + +/* Lazy mode for batching updates / context switch */ +enum paravirt_lazy_mode { + PARAVIRT_LAZY_NONE, + PARAVIRT_LAZY_MMU, + PARAVIRT_LAZY_CPU, +}; + +static inline enum paravirt_lazy_mode paravirt_get_lazy_mode(void) +{ + return PARAVIRT_LAZY_NONE; +} + +#endif /* _ASM_ARM_XEN_HYPERVISOR_H */ -- cgit v1.2.3