projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| d94d71cb | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| bbf45ba5 | 2 | /* |
| bbf45ba5 HB |
3 | * |
| 4 | * Copyright IBM Corp. 2008 | |
| 5 | * | |
| 6 | * Authors: Hollis Blanchard <hollisb@us.ibm.com> | |
| 7 | */ | |
| bbf45ba5 HB |
8 | #ifndef __POWERPC_KVM_PARA_H__ |
| 9 | #define __POWERPC_KVM_PARA_H__ | |
| 10 | ||
| 92cc6bf0 | 11 | #include <asm/kvm_guest.h> |
| 2a342ed5 | 12 | |
| 107c5500 | 13 | #include <uapi/asm/kvm_para.h> |
| 2a342ed5 | 14 | |
| bbf45ba5 HB |
15 | static inline int kvm_para_available(void) |
| 16 | { | |
| a21d1bec | 17 | return IS_ENABLED(CONFIG_KVM_GUEST) && is_kvm_guest(); |
| bbf45ba5 HB |
18 | } |
| 19 | ||
| 20 | static inline unsigned int kvm_arch_para_features(void) | |
| 21 | { | |
| 2a342ed5 AG |
22 | unsigned long r; |
| 23 | ||
| 24 | if (!kvm_para_available()) | |
| 25 | return 0; | |
| 26 | ||
| b1f0d94c | 27 | if(epapr_hypercall0_1(KVM_HCALL_TOKEN(KVM_HC_FEATURES), &r)) |
| 2a342ed5 AG |
28 | return 0; |
| 29 | ||
| 30 | return r; | |
| bbf45ba5 HB |
31 | } |
| 32 | ||
| a4429e53 WL |
33 | static inline unsigned int kvm_arch_para_hints(void) |
| 34 | { | |
| 35 | return 0; | |
| 36 | } | |
| 37 | ||
| 3b5d56b9 EM |
38 | static inline bool kvm_check_and_clear_guest_paused(void) |
| 39 | { | |
| 40 | return false; | |
| 41 | } | |
| 42 | ||
| bbf45ba5 | 43 | #endif /* __POWERPC_KVM_PARA_H__ */ |