xref: /openbmc/qemu/target/i386/kvm/kvm_i386.h (revision fa3673e4)
1 /*
2  * QEMU KVM support -- x86 specific functions.
3  *
4  * Copyright (c) 2012 Linaro Limited
5  *
6  * This work is licensed under the terms of the GNU GPL, version 2 or later.
7  * See the COPYING file in the top-level directory.
8  *
9  */
10 
11 #ifndef QEMU_KVM_I386_H
12 #define QEMU_KVM_I386_H
13 
14 #include "sysemu/kvm.h"
15 
16 #ifdef CONFIG_KVM
17 
18 #define kvm_pit_in_kernel() \
19     (kvm_irqchip_in_kernel() && !kvm_irqchip_is_split())
20 #define kvm_pic_in_kernel()  \
21     (kvm_irqchip_in_kernel() && !kvm_irqchip_is_split())
22 #define kvm_ioapic_in_kernel() \
23     (kvm_irqchip_in_kernel() && !kvm_irqchip_is_split())
24 
25 #else
26 
27 #define kvm_pit_in_kernel()      0
28 #define kvm_pic_in_kernel()      0
29 #define kvm_ioapic_in_kernel()   0
30 
31 #endif  /* CONFIG_KVM */
32 
33 bool kvm_has_smm(void);
34 bool kvm_enable_x2apic(void);
35 bool kvm_hv_vpindex_settable(void);
36 
37 bool kvm_enable_sgx_provisioning(KVMState *s);
38 bool kvm_hyperv_expand_features(X86CPU *cpu, Error **errp);
39 
40 void kvm_arch_reset_vcpu(X86CPU *cs);
41 void kvm_arch_after_reset_vcpu(X86CPU *cpu);
42 void kvm_arch_do_init_vcpu(X86CPU *cs);
43 uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function,
44                                       uint32_t index, int reg);
45 uint64_t kvm_arch_get_supported_msr_feature(KVMState *s, uint32_t index);
46 
47 void kvm_set_max_apic_id(uint32_t max_apic_id);
48 void kvm_request_xsave_components(X86CPU *cpu, uint64_t mask);
49 
50 #ifdef CONFIG_KVM
51 
52 bool kvm_has_adjust_clock_stable(void);
53 bool kvm_has_exception_payload(void);
54 void kvm_synchronize_all_tsc(void);
55 
56 void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic);
57 void kvm_put_apicbase(X86CPU *cpu, uint64_t value);
58 
59 bool kvm_has_x2apic_api(void);
60 bool kvm_has_waitpkg(void);
61 
62 uint64_t kvm_swizzle_msi_ext_dest_id(uint64_t address);
63 void kvm_update_msi_routes_all(void *private, bool global,
64                                uint32_t index, uint32_t mask);
65 
66 typedef bool QEMURDMSRHandler(X86CPU *cpu, uint32_t msr, uint64_t *val);
67 typedef bool QEMUWRMSRHandler(X86CPU *cpu, uint32_t msr, uint64_t val);
68 typedef struct kvm_msr_handlers {
69     uint32_t msr;
70     QEMURDMSRHandler *rdmsr;
71     QEMUWRMSRHandler *wrmsr;
72 } KVMMSRHandlers;
73 
74 bool kvm_filter_msr(KVMState *s, uint32_t msr, QEMURDMSRHandler *rdmsr,
75                     QEMUWRMSRHandler *wrmsr);
76 
77 #endif /* CONFIG_KVM */
78 
79 void kvm_pc_setup_irq_routing(bool pci_enabled);
80 
81 #endif
82