 3942b740e5
			
		
	
	
	3942b740e5
	
	
	
		
			
			Disable pcifront when running on HVM: it is meant to be used with pv guests that don't have PCI bus. Use acpi_register_gsi_xen_hvm to remap GSIs into pirqs. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
		
			
				
	
	
		
			55 lines
		
	
	
	
		
			1.7 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			55 lines
		
	
	
	
		
			1.7 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /******************************************************************************
 | |
|  * features.h
 | |
|  *
 | |
|  * Feature flags, reported by XENVER_get_features.
 | |
|  *
 | |
|  * Copyright (c) 2006, Keir Fraser <keir@xensource.com>
 | |
|  */
 | |
| 
 | |
| #ifndef __XEN_PUBLIC_FEATURES_H__
 | |
| #define __XEN_PUBLIC_FEATURES_H__
 | |
| 
 | |
| /*
 | |
|  * If set, the guest does not need to write-protect its pagetables, and can
 | |
|  * update them via direct writes.
 | |
|  */
 | |
| #define XENFEAT_writable_page_tables       0
 | |
| 
 | |
| /*
 | |
|  * If set, the guest does not need to write-protect its segment descriptor
 | |
|  * tables, and can update them via direct writes.
 | |
|  */
 | |
| #define XENFEAT_writable_descriptor_tables 1
 | |
| 
 | |
| /*
 | |
|  * If set, translation between the guest's 'pseudo-physical' address space
 | |
|  * and the host's machine address space are handled by the hypervisor. In this
 | |
|  * mode the guest does not need to perform phys-to/from-machine translations
 | |
|  * when performing page table operations.
 | |
|  */
 | |
| #define XENFEAT_auto_translated_physmap    2
 | |
| 
 | |
| /* If set, the guest is running in supervisor mode (e.g., x86 ring 0). */
 | |
| #define XENFEAT_supervisor_mode_kernel     3
 | |
| 
 | |
| /*
 | |
|  * If set, the guest does not need to allocate x86 PAE page directories
 | |
|  * below 4GB. This flag is usually implied by auto_translated_physmap.
 | |
|  */
 | |
| #define XENFEAT_pae_pgdir_above_4gb        4
 | |
| 
 | |
| /* x86: Does this Xen host support the MMU_PT_UPDATE_PRESERVE_AD hypercall? */
 | |
| #define XENFEAT_mmu_pt_update_preserve_ad  5
 | |
| 
 | |
| /* x86: Does this Xen host support the HVM callback vector type? */
 | |
| #define XENFEAT_hvm_callback_vector        8
 | |
| 
 | |
| /* x86: pvclock algorithm is safe to use on HVM */
 | |
| #define XENFEAT_hvm_safe_pvclock           9
 | |
| 
 | |
| /* x86: pirq can be used by HVM guests */
 | |
| #define XENFEAT_hvm_pirqs           10
 | |
| 
 | |
| #define XENFEAT_NR_SUBMAPS 1
 | |
| 
 | |
| #endif /* __XEN_PUBLIC_FEATURES_H__ */
 |