5 * KVM x86 specific structures and definitions
9 #include <linux/types.h>
10 #include <linux/ioctl.h>
12 /* Select x86 specific features in <linux/kvm.h> */
13 #define __KVM_HAVE_PIT
14 #define __KVM_HAVE_IOAPIC
15 #define __KVM_HAVE_DEVICE_ASSIGNMENT
16 #define __KVM_HAVE_MSI
17 #define __KVM_HAVE_USER_NMI
19 /* Architectural interrupt line count. */
20 #define KVM_NR_INTERRUPTS 256
22 struct kvm_memory_alias {
23 __u32 slot; /* this has a different namespace than memory slots */
25 __u64 guest_phys_addr;
27 __u64 target_phys_addr;
30 /* for KVM_GET_IRQCHIP and KVM_SET_IRQCHIP */
31 struct kvm_pic_state {
32 __u8 last_irr; /* edge detection */
33 __u8 irr; /* interrupt request register */
34 __u8 imr; /* interrupt mask register */
35 __u8 isr; /* interrupt service register */
36 __u8 priority_add; /* highest irq priority */
43 __u8 rotate_on_auto_eoi;
44 __u8 special_fully_nested_mode;
45 __u8 init4; /* true if 4 byte init */
46 __u8 elcr; /* PIIX edge/trigger selection */
50 #define KVM_IOAPIC_NUM_PINS 24
51 struct kvm_ioapic_state {
63 __u8 delivery_status:1;
72 } redirtbl[KVM_IOAPIC_NUM_PINS];
75 #define KVM_IRQCHIP_PIC_MASTER 0
76 #define KVM_IRQCHIP_PIC_SLAVE 1
77 #define KVM_IRQCHIP_IOAPIC 2
79 /* for KVM_GET_REGS and KVM_SET_REGS */
81 /* out (KVM_GET_REGS) / in (KVM_SET_REGS) */
82 __u64 rax, rbx, rcx, rdx;
83 __u64 rsi, rdi, rsp, rbp;
84 __u64 r8, r9, r10, r11;
85 __u64 r12, r13, r14, r15;
89 /* for KVM_GET_LAPIC and KVM_SET_LAPIC */
90 #define KVM_APIC_REG_SIZE 0x400
91 struct kvm_lapic_state {
92 char regs[KVM_APIC_REG_SIZE];
100 __u8 present, dpl, db, s, l, g, avl;
112 /* for KVM_GET_SREGS and KVM_SET_SREGS */
114 /* out (KVM_GET_SREGS) / in (KVM_SET_SREGS) */
115 struct kvm_segment cs, ds, es, fs, gs, ss;
116 struct kvm_segment tr, ldt;
117 struct kvm_dtable gdt, idt;
118 __u64 cr0, cr2, cr3, cr4, cr8;
121 __u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
124 /* for KVM_GET_FPU and KVM_SET_FPU */
129 __u8 ftwx; /* in fxsave format */
139 struct kvm_msr_entry {
145 /* for KVM_GET_MSRS and KVM_SET_MSRS */
147 __u32 nmsrs; /* number of msrs in entries */
150 struct kvm_msr_entry entries[0];
153 /* for KVM_GET_MSR_INDEX_LIST */
154 struct kvm_msr_list {
155 __u32 nmsrs; /* number of msrs in entries */
160 struct kvm_cpuid_entry {
169 /* for KVM_SET_CPUID */
173 struct kvm_cpuid_entry entries[0];
176 struct kvm_cpuid_entry2 {
187 #define KVM_CPUID_FLAG_SIGNIFCANT_INDEX 1
188 #define KVM_CPUID_FLAG_STATEFUL_FUNC 2
189 #define KVM_CPUID_FLAG_STATE_READ_NEXT 4
191 /* for KVM_SET_CPUID2 */
195 struct kvm_cpuid_entry2 entries[0];
198 /* for KVM_GET_PIT and KVM_SET_PIT */
199 struct kvm_pit_channel_state {
200 __u32 count; /* can be 65536 */
212 __s64 count_load_time;
215 struct kvm_pit_state {
216 struct kvm_pit_channel_state channels[3];
218 #endif /* _ASM_X86_KVM_H */