Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef _XEN_XEN_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _XEN_XEN_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) enum xen_domain_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 	XEN_NATIVE,		/* running on bare hardware    */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 	XEN_PV_DOMAIN,		/* running in a PV domain      */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 	XEN_HVM_DOMAIN,		/* running in a Xen hvm domain */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #ifdef CONFIG_XEN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) extern enum xen_domain_type xen_domain_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define xen_domain_type		XEN_NATIVE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #ifdef CONFIG_XEN_PVH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) extern bool xen_pvh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define xen_pvh			0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define xen_domain()		(xen_domain_type != XEN_NATIVE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define xen_pv_domain()		(xen_domain_type == XEN_PV_DOMAIN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define xen_hvm_domain()	(xen_domain_type == XEN_HVM_DOMAIN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define xen_pvh_domain()	(xen_pvh)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) extern uint32_t xen_start_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include <xen/interface/hvm/start_info.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) extern struct hvm_start_info pvh_start_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #ifdef CONFIG_XEN_DOM0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #include <xen/interface/xen.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #include <asm/xen/hypervisor.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define xen_initial_domain()	(xen_domain() && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 				 (xen_start_flags & SIF_INITDOMAIN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #else  /* !CONFIG_XEN_DOM0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define xen_initial_domain()	(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #endif	/* CONFIG_XEN_DOM0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct bio_vec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) struct page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) bool xen_biovec_phys_mergeable(const struct bio_vec *vec1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 		const struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #if defined(CONFIG_MEMORY_HOTPLUG) && defined(CONFIG_XEN_BALLOON)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) extern u64 xen_saved_max_mem_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #ifdef CONFIG_XEN_UNPOPULATED_ALLOC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) int xen_alloc_unpopulated_pages(unsigned int nr_pages, struct page **pages);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) void xen_free_unpopulated_pages(unsigned int nr_pages, struct page **pages);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define xen_alloc_unpopulated_pages alloc_xenballooned_pages
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define xen_free_unpopulated_pages free_xenballooned_pages
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #include <xen/balloon.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #endif	/* _XEN_XEN_H */