| 1 | /* |
| 2 | * QEMU Xen support |
| 3 | * |
| 4 | * This work is licensed under the terms of the GNU GPL, version 2 or later. |
| 5 | * See the COPYING file in the top-level directory. |
| 6 | */ |
| 7 | |
| 8 | /* header to be included in non-Xen-specific code */ |
| 9 | |
| 10 | #ifndef SYSTEM_XEN_H |
| 11 | #define SYSTEM_XEN_H |
| 12 | |
| 13 | #include "exec/hwaddr.h" |
| 14 | #include "system/ram_addr.h" |
| 15 | |
| 16 | #ifdef COMPILING_PER_TARGET |
| 17 | # ifdef CONFIG_XEN |
| 18 | # define CONFIG_XEN_IS_POSSIBLE |
| 19 | # endif |
| 20 | #else |
| 21 | # define CONFIG_XEN_IS_POSSIBLE |
| 22 | #endif /* COMPILING_PER_TARGET */ |
| 23 | |
| 24 | #ifdef CONFIG_XEN_IS_POSSIBLE |
| 25 | extern bool xen_allowed; |
| 26 | #define xen_enabled() (xen_allowed) |
| 27 | #else /* !CONFIG_XEN_IS_POSSIBLE */ |
| 28 | #define xen_enabled() 0 |
| 29 | #endif /* CONFIG_XEN_IS_POSSIBLE */ |
| 30 | |
| 31 | void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length); |
| 32 | void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size, |
| 33 | const MemoryRegion *mr, Error **errp); |
| 34 | bool xen_mr_is_memory(const MemoryRegion *mr); |
| 35 | bool xen_mr_is_grants(const MemoryRegion *mr); |
| 36 | #endif |