| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef __LINUX_HYPEVISOR_H |
| 3 | #define __LINUX_HYPEVISOR_H |
| 4 | |
| 5 | /* |
| 6 | * Generic Hypervisor support |
| 7 | * Juergen Gross <jgross@suse.com> |
| 8 | */ |
| 9 | |
| 10 | #ifdef CONFIG_X86 |
| 11 | |
| 12 | #include <asm/jailhouse_para.h> |
| 13 | #include <asm/x86_init.h> |
| 14 | |
| 15 | static inline void hypervisor_pin_vcpu(int cpu) |
| 16 | { |
| 17 | x86_platform.hyper.pin_vcpu(cpu); |
| 18 | } |
| 19 | |
| 20 | #else /* !CONFIG_X86 */ |
| 21 | |
| 22 | #include <linux/of.h> |
| 23 | |
| 24 | static inline void hypervisor_pin_vcpu(int cpu) |
| 25 | { |
| 26 | } |
| 27 | |
| 28 | static inline bool jailhouse_paravirt(void) |
| 29 | { |
| 30 | return of_find_compatible_node(NULL, NULL, "jailhouse,cell" ); |
| 31 | } |
| 32 | |
| 33 | #endif /* !CONFIG_X86 */ |
| 34 | |
| 35 | static inline bool hypervisor_isolated_pci_functions(void) |
| 36 | { |
| 37 | if (IS_ENABLED(CONFIG_S390)) |
| 38 | return true; |
| 39 | |
| 40 | return jailhouse_paravirt(); |
| 41 | } |
| 42 | |
| 43 | #endif /* __LINUX_HYPEVISOR_H */ |
| 44 | |