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Greg Kroah-Hartman6f52b162017-11-01 15:08:43 +01001/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -03002#ifndef _ASM_X86_KVM_H
3#define _ASM_X86_KVM_H
4
5/*
6 * KVM x86 specific structures and definitions
7 *
8 */
9
Namhyung Kimbee3b822024-04-08 11:55:14 -070010#include <linux/const.h>
11#include <linux/bits.h>
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -030012#include <linux/types.h>
13#include <linux/ioctl.h>
Arnaldo Carvalho de Melo33c53f92023-03-03 17:26:24 -030014#include <linux/stddef.h>
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -030015
Ingo Molnar6e304372017-05-24 08:57:21 +020016#define KVM_PIO_PAGE_OFFSET 1
17#define KVM_COALESCED_MMIO_PAGE_OFFSET 2
Arnaldo Carvalho de Melo288807f2020-12-21 09:20:52 -030018#define KVM_DIRTY_LOG_PAGE_OFFSET 64
Ingo Molnar6e304372017-05-24 08:57:21 +020019
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -030020#define DE_VECTOR 0
21#define DB_VECTOR 1
22#define BP_VECTOR 3
23#define OF_VECTOR 4
24#define BR_VECTOR 5
25#define UD_VECTOR 6
26#define NM_VECTOR 7
27#define DF_VECTOR 8
28#define TS_VECTOR 10
29#define NP_VECTOR 11
30#define SS_VECTOR 12
31#define GP_VECTOR 13
32#define PF_VECTOR 14
33#define MF_VECTOR 16
34#define AC_VECTOR 17
35#define MC_VECTOR 18
36#define XM_VECTOR 19
37#define VE_VECTOR 20
38
39/* Select x86 specific features in <linux/kvm.h> */
40#define __KVM_HAVE_PIT
41#define __KVM_HAVE_IOAPIC
42#define __KVM_HAVE_IRQ_LINE
43#define __KVM_HAVE_MSI
44#define __KVM_HAVE_USER_NMI
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -030045#define __KVM_HAVE_MSIX
46#define __KVM_HAVE_MCE
47#define __KVM_HAVE_PIT_STATE2
48#define __KVM_HAVE_XEN_HVM
49#define __KVM_HAVE_VCPU_EVENTS
50#define __KVM_HAVE_DEBUGREGS
51#define __KVM_HAVE_XSAVE
52#define __KVM_HAVE_XCRS
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -030053
54/* Architectural interrupt line count. */
55#define KVM_NR_INTERRUPTS 256
56
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -030057/* for KVM_GET_IRQCHIP and KVM_SET_IRQCHIP */
58struct kvm_pic_state {
59 __u8 last_irr; /* edge detection */
60 __u8 irr; /* interrupt request register */
61 __u8 imr; /* interrupt mask register */
62 __u8 isr; /* interrupt service register */
63 __u8 priority_add; /* highest irq priority */
64 __u8 irq_base;
65 __u8 read_reg_select;
66 __u8 poll;
67 __u8 special_mask;
68 __u8 init_state;
69 __u8 auto_eoi;
70 __u8 rotate_on_auto_eoi;
71 __u8 special_fully_nested_mode;
72 __u8 init4; /* true if 4 byte init */
73 __u8 elcr; /* PIIX edge/trigger selection */
74 __u8 elcr_mask;
75};
76
77#define KVM_IOAPIC_NUM_PINS 24
78struct kvm_ioapic_state {
79 __u64 base_address;
80 __u32 ioregsel;
81 __u32 id;
82 __u32 irr;
83 __u32 pad;
84 union {
85 __u64 bits;
86 struct {
87 __u8 vector;
88 __u8 delivery_mode:3;
89 __u8 dest_mode:1;
90 __u8 delivery_status:1;
91 __u8 polarity:1;
92 __u8 remote_irr:1;
93 __u8 trig_mode:1;
94 __u8 mask:1;
95 __u8 reserve:7;
96 __u8 reserved[4];
97 __u8 dest_id;
98 } fields;
99 } redirtbl[KVM_IOAPIC_NUM_PINS];
100};
101
102#define KVM_IRQCHIP_PIC_MASTER 0
103#define KVM_IRQCHIP_PIC_SLAVE 1
104#define KVM_IRQCHIP_IOAPIC 2
105#define KVM_NR_IRQCHIPS 3
106
107#define KVM_RUN_X86_SMM (1 << 0)
Arnaldo Carvalho de Melo33dc5252021-03-02 17:20:08 -0300108#define KVM_RUN_X86_BUS_LOCK (1 << 1)
Namhyung Kima625df32024-08-06 12:07:50 -0700109#define KVM_RUN_X86_GUEST_MODE (1 << 2)
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -0300110
111/* for KVM_GET_REGS and KVM_SET_REGS */
112struct kvm_regs {
113 /* out (KVM_GET_REGS) / in (KVM_SET_REGS) */
114 __u64 rax, rbx, rcx, rdx;
115 __u64 rsi, rdi, rsp, rbp;
116 __u64 r8, r9, r10, r11;
117 __u64 r12, r13, r14, r15;
118 __u64 rip, rflags;
119};
120
121/* for KVM_GET_LAPIC and KVM_SET_LAPIC */
122#define KVM_APIC_REG_SIZE 0x400
123struct kvm_lapic_state {
124 char regs[KVM_APIC_REG_SIZE];
125};
126
127struct kvm_segment {
128 __u64 base;
129 __u32 limit;
130 __u16 selector;
131 __u8 type;
132 __u8 present, dpl, db, s, l, g, avl;
133 __u8 unusable;
134 __u8 padding;
135};
136
137struct kvm_dtable {
138 __u64 base;
139 __u16 limit;
140 __u16 padding[3];
141};
142
143
144/* for KVM_GET_SREGS and KVM_SET_SREGS */
145struct kvm_sregs {
146 /* out (KVM_GET_SREGS) / in (KVM_SET_SREGS) */
147 struct kvm_segment cs, ds, es, fs, gs, ss;
148 struct kvm_segment tr, ldt;
149 struct kvm_dtable gdt, idt;
150 __u64 cr0, cr2, cr3, cr4, cr8;
151 __u64 efer;
152 __u64 apic_base;
153 __u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
154};
155
Arnaldo Carvalho de Meloe48f62ae2021-05-09 09:39:02 -0300156struct kvm_sregs2 {
157 /* out (KVM_GET_SREGS2) / in (KVM_SET_SREGS2) */
158 struct kvm_segment cs, ds, es, fs, gs, ss;
159 struct kvm_segment tr, ldt;
160 struct kvm_dtable gdt, idt;
161 __u64 cr0, cr2, cr3, cr4, cr8;
162 __u64 efer;
163 __u64 apic_base;
164 __u64 flags;
165 __u64 pdptrs[4];
166};
167#define KVM_SREGS2_FLAGS_PDPTRS_VALID 1
168
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -0300169/* for KVM_GET_FPU and KVM_SET_FPU */
170struct kvm_fpu {
171 __u8 fpr[8][16];
172 __u16 fcw;
173 __u16 fsw;
174 __u8 ftwx; /* in fxsave format */
175 __u8 pad1;
176 __u16 last_opcode;
177 __u64 last_ip;
178 __u64 last_dp;
179 __u8 xmm[16][16];
180 __u32 mxcsr;
181 __u32 pad2;
182};
183
184struct kvm_msr_entry {
185 __u32 index;
186 __u32 reserved;
187 __u64 data;
188};
189
190/* for KVM_GET_MSRS and KVM_SET_MSRS */
191struct kvm_msrs {
192 __u32 nmsrs; /* number of msrs in entries */
193 __u32 pad;
194
Gustavo A. R. Silva94dfc732022-04-06 19:36:51 -0500195 struct kvm_msr_entry entries[];
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -0300196};
197
198/* for KVM_GET_MSR_INDEX_LIST */
199struct kvm_msr_list {
200 __u32 nmsrs; /* number of msrs in entries */
Gustavo A. R. Silva94dfc732022-04-06 19:36:51 -0500201 __u32 indices[];
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -0300202};
203
Arnaldo Carvalho de Meloaa048992020-10-19 13:42:55 -0300204/* Maximum size of any access bitmap in bytes */
205#define KVM_MSR_FILTER_MAX_BITMAP_SIZE 0x600
206
207/* for KVM_X86_SET_MSR_FILTER */
208struct kvm_msr_filter_range {
209#define KVM_MSR_FILTER_READ (1 << 0)
210#define KVM_MSR_FILTER_WRITE (1 << 1)
Arnaldo Carvalho de Meloeffa7682023-01-16 10:22:13 -0300211#define KVM_MSR_FILTER_RANGE_VALID_MASK (KVM_MSR_FILTER_READ | \
212 KVM_MSR_FILTER_WRITE)
Arnaldo Carvalho de Meloaa048992020-10-19 13:42:55 -0300213 __u32 flags;
214 __u32 nmsrs; /* number of msrs in bitmap */
215 __u32 base; /* MSR index the bitmap starts at */
216 __u8 *bitmap; /* a 1 bit allows the operations in flags, 0 denies */
217};
218
219#define KVM_MSR_FILTER_MAX_RANGES 16
220struct kvm_msr_filter {
Arnaldo Carvalho de Meloeffa7682023-01-16 10:22:13 -0300221#ifndef __KERNEL__
Arnaldo Carvalho de Meloaa048992020-10-19 13:42:55 -0300222#define KVM_MSR_FILTER_DEFAULT_ALLOW (0 << 0)
Arnaldo Carvalho de Meloeffa7682023-01-16 10:22:13 -0300223#endif
Arnaldo Carvalho de Meloaa048992020-10-19 13:42:55 -0300224#define KVM_MSR_FILTER_DEFAULT_DENY (1 << 0)
Arnaldo Carvalho de Meloeffa7682023-01-16 10:22:13 -0300225#define KVM_MSR_FILTER_VALID_MASK (KVM_MSR_FILTER_DEFAULT_DENY)
Arnaldo Carvalho de Meloaa048992020-10-19 13:42:55 -0300226 __u32 flags;
227 struct kvm_msr_filter_range ranges[KVM_MSR_FILTER_MAX_RANGES];
228};
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -0300229
230struct kvm_cpuid_entry {
231 __u32 function;
232 __u32 eax;
233 __u32 ebx;
234 __u32 ecx;
235 __u32 edx;
236 __u32 padding;
237};
238
239/* for KVM_SET_CPUID */
240struct kvm_cpuid {
241 __u32 nent;
242 __u32 padding;
Gustavo A. R. Silva94dfc732022-04-06 19:36:51 -0500243 struct kvm_cpuid_entry entries[];
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -0300244};
245
246struct kvm_cpuid_entry2 {
247 __u32 function;
248 __u32 index;
249 __u32 flags;
250 __u32 eax;
251 __u32 ebx;
252 __u32 ecx;
253 __u32 edx;
254 __u32 padding[3];
255};
256
257#define KVM_CPUID_FLAG_SIGNIFCANT_INDEX (1 << 0)
258#define KVM_CPUID_FLAG_STATEFUL_FUNC (1 << 1)
259#define KVM_CPUID_FLAG_STATE_READ_NEXT (1 << 2)
260
261/* for KVM_SET_CPUID2 */
262struct kvm_cpuid2 {
263 __u32 nent;
264 __u32 padding;
Gustavo A. R. Silva94dfc732022-04-06 19:36:51 -0500265 struct kvm_cpuid_entry2 entries[];
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -0300266};
267
268/* for KVM_GET_PIT and KVM_SET_PIT */
269struct kvm_pit_channel_state {
270 __u32 count; /* can be 65536 */
271 __u16 latched_count;
272 __u8 count_latched;
273 __u8 status_latched;
274 __u8 status;
275 __u8 read_state;
276 __u8 write_state;
277 __u8 write_latch;
278 __u8 rw_mode;
279 __u8 mode;
280 __u8 bcd;
281 __u8 gate;
282 __s64 count_load_time;
283};
284
285struct kvm_debug_exit_arch {
286 __u32 exception;
287 __u32 pad;
288 __u64 pc;
289 __u64 dr6;
290 __u64 dr7;
291};
292
293#define KVM_GUESTDBG_USE_SW_BP 0x00010000
294#define KVM_GUESTDBG_USE_HW_BP 0x00020000
295#define KVM_GUESTDBG_INJECT_DB 0x00040000
296#define KVM_GUESTDBG_INJECT_BP 0x00080000
Arnaldo Carvalho de Melo03d6f3f2021-09-10 11:46:54 -0300297#define KVM_GUESTDBG_BLOCKIRQ 0x00100000
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -0300298
299/* for KVM_SET_GUEST_DEBUG */
300struct kvm_guest_debug_arch {
301 __u64 debugreg[8];
302};
303
304struct kvm_pit_state {
305 struct kvm_pit_channel_state channels[3];
306};
307
Arnaldo Carvalho de Meloe5bc0de2021-09-10 11:46:54 -0300308#define KVM_PIT_FLAGS_HPET_LEGACY 0x00000001
309#define KVM_PIT_FLAGS_SPEAKER_DATA_ON 0x00000002
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -0300310
311struct kvm_pit_state2 {
312 struct kvm_pit_channel_state channels[3];
313 __u32 flags;
314 __u32 reserved[9];
315};
316
317struct kvm_reinject_control {
318 __u8 pit_reinject;
319 __u8 reserved[31];
320};
321
322/* When set in flags, include corresponding fields on KVM_SET_VCPU_EVENTS */
323#define KVM_VCPUEVENT_VALID_NMI_PENDING 0x00000001
324#define KVM_VCPUEVENT_VALID_SIPI_VECTOR 0x00000002
325#define KVM_VCPUEVENT_VALID_SHADOW 0x00000004
326#define KVM_VCPUEVENT_VALID_SMM 0x00000008
Jim Mattson59073aa2018-10-16 14:29:20 -0700327#define KVM_VCPUEVENT_VALID_PAYLOAD 0x00000010
Arnaldo Carvalho de Meloe5bc0de2021-09-10 11:46:54 -0300328#define KVM_VCPUEVENT_VALID_TRIPLE_FAULT 0x00000020
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -0300329
330/* Interrupt shadow states */
331#define KVM_X86_SHADOW_INT_MOV_SS 0x01
332#define KVM_X86_SHADOW_INT_STI 0x02
333
334/* for KVM_GET/SET_VCPU_EVENTS */
335struct kvm_vcpu_events {
336 struct {
337 __u8 injected;
338 __u8 nr;
339 __u8 has_error_code;
Arnaldo Carvalho de Melo82775812018-10-30 17:01:46 -0300340 __u8 pending;
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -0300341 __u32 error_code;
342 } exception;
343 struct {
344 __u8 injected;
345 __u8 nr;
346 __u8 soft;
347 __u8 shadow;
348 } interrupt;
349 struct {
350 __u8 injected;
351 __u8 pending;
352 __u8 masked;
353 __u8 pad;
354 } nmi;
355 __u32 sipi_vector;
356 __u32 flags;
357 struct {
358 __u8 smm;
359 __u8 pending;
360 __u8 smm_inside_nmi;
361 __u8 latched_init;
362 } smi;
Arnaldo Carvalho de Meloe5bc0de2021-09-10 11:46:54 -0300363 struct {
364 __u8 pending;
365 } triple_fault;
366 __u8 reserved[26];
Jim Mattson59073aa2018-10-16 14:29:20 -0700367 __u8 exception_has_payload;
368 __u64 exception_payload;
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -0300369};
370
371/* for KVM_GET/SET_DEBUGREGS */
372struct kvm_debugregs {
373 __u64 db[4];
374 __u64 dr6;
375 __u64 dr7;
376 __u64 flags;
377 __u64 reserved[9];
378};
379
Wei Wang415a3c32022-01-05 04:35:30 -0800380/* for KVM_CAP_XSAVE and KVM_CAP_XSAVE2 */
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -0300381struct kvm_xsave {
Wei Wang415a3c32022-01-05 04:35:30 -0800382 /*
383 * KVM_GET_XSAVE2 and KVM_SET_XSAVE write and read as many bytes
384 * as are returned by KVM_CHECK_EXTENSION(KVM_CAP_XSAVE2)
385 * respectively, when invoked on the vm file descriptor.
386 *
387 * The size value returned by KVM_CHECK_EXTENSION(KVM_CAP_XSAVE2)
388 * will always be at least 4096. Currently, it is only greater
389 * than 4096 if a dynamic feature has been enabled with
390 * ``arch_prctl()``, but this may change in the future.
391 *
392 * The offsets of the state save areas in struct kvm_xsave follow
393 * the contents of CPUID leaf 0xD on the host.
394 */
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -0300395 __u32 region[1024];
Gustavo A. R. Silva94dfc732022-04-06 19:36:51 -0500396 __u32 extra[];
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -0300397};
398
399#define KVM_MAX_XCRS 16
400
401struct kvm_xcr {
402 __u32 xcr;
403 __u32 reserved;
404 __u64 value;
405};
406
407struct kvm_xcrs {
408 __u32 nr_xcrs;
409 __u32 flags;
410 struct kvm_xcr xcrs[KVM_MAX_XCRS];
411 __u64 padding[16];
412};
413
Ingo Molnare2f73a12018-04-16 08:18:22 +0200414#define KVM_SYNC_X86_REGS (1UL << 0)
415#define KVM_SYNC_X86_SREGS (1UL << 1)
416#define KVM_SYNC_X86_EVENTS (1UL << 2)
417
418#define KVM_SYNC_X86_VALID_FIELDS \
419 (KVM_SYNC_X86_REGS| \
420 KVM_SYNC_X86_SREGS| \
421 KVM_SYNC_X86_EVENTS)
422
423/* kvm_sync_regs struct included by kvm_run struct */
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -0300424struct kvm_sync_regs {
Ingo Molnare2f73a12018-04-16 08:18:22 +0200425 /* Members of this structure are potentially malicious.
426 * Care must be taken by code reading, esp. interpreting,
427 * data fields from them inside KVM to prevent TOCTOU and
428 * double-fetch types of vulnerabilities.
429 */
430 struct kvm_regs regs;
431 struct kvm_sregs sregs;
432 struct kvm_vcpu_events events;
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -0300433};
434
Arnaldo Carvalho de Melo2e323f362021-09-10 11:46:54 -0300435#define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0)
436#define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1)
437#define KVM_X86_QUIRK_LAPIC_MMIO_HOLE (1 << 2)
438#define KVM_X86_QUIRK_OUT_7E_INC_RIP (1 << 3)
439#define KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT (1 << 4)
440#define KVM_X86_QUIRK_FIX_HYPERCALL_INSN (1 << 5)
Arnaldo Carvalho de Meloe5bc0de2021-09-10 11:46:54 -0300441#define KVM_X86_QUIRK_MWAIT_NEVER_UD_FAULTS (1 << 6)
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -0300442
Arnaldo Carvalho de Meloc499d1f2019-07-06 14:26:40 -0300443#define KVM_STATE_NESTED_FORMAT_VMX 0
Arnaldo Carvalho de Melodd76c302020-06-08 12:28:16 -0300444#define KVM_STATE_NESTED_FORMAT_SVM 1
Arnaldo Carvalho de Meloc499d1f2019-07-06 14:26:40 -0300445
Arnaldo Carvalho de Melo0210c152018-09-11 11:18:58 -0300446#define KVM_STATE_NESTED_GUEST_MODE 0x00000001
447#define KVM_STATE_NESTED_RUN_PENDING 0x00000002
Arnaldo Carvalho de Melo82775812018-10-30 17:01:46 -0300448#define KVM_STATE_NESTED_EVMCS 0x00000004
Arnaldo Carvalho de Melo0d6f94f2020-02-27 09:51:30 -0300449#define KVM_STATE_NESTED_MTF_PENDING 0x00000008
Arnaldo Carvalho de Melodd76c302020-06-08 12:28:16 -0300450#define KVM_STATE_NESTED_GIF_SET 0x00000100
Arnaldo Carvalho de Melo0210c152018-09-11 11:18:58 -0300451
452#define KVM_STATE_NESTED_SMM_GUEST_MODE 0x00000001
453#define KVM_STATE_NESTED_SMM_VMXON 0x00000002
454
Arnaldo Carvalho de Meloc499d1f2019-07-06 14:26:40 -0300455#define KVM_STATE_NESTED_VMX_VMCS_SIZE 0x1000
456
Arnaldo Carvalho de Melodd76c302020-06-08 12:28:16 -0300457#define KVM_STATE_NESTED_SVM_VMCB_SIZE 0x1000
458
459#define KVM_STATE_VMX_PREEMPTION_TIMER_DEADLINE 0x00000001
460
Arnaldo Carvalho de Melo88e52052024-05-28 16:24:15 -0300461/* vendor-independent attributes for system fd (group 0) */
462#define KVM_X86_GRP_SYSTEM 0
463# define KVM_X86_XCOMP_GUEST_SUPP 0
464
465/* vendor-specific groups and attributes for system fd */
466#define KVM_X86_GRP_SEV 1
467# define KVM_X86_SEV_VMSA_FEATURES 0
Paolo Bonzinib19c99b2022-01-26 07:51:00 -0500468
Arnaldo Carvalho de Meloc499d1f2019-07-06 14:26:40 -0300469struct kvm_vmx_nested_state_data {
470 __u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE];
471 __u8 shadow_vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE];
472};
473
474struct kvm_vmx_nested_state_hdr {
Arnaldo Carvalho de Melo0210c152018-09-11 11:18:58 -0300475 __u64 vmxon_pa;
Liran Alon6ca00df2019-06-16 15:03:10 +0300476 __u64 vmcs12_pa;
Arnaldo Carvalho de Melo0210c152018-09-11 11:18:58 -0300477
478 struct {
479 __u16 flags;
480 } smm;
Arnaldo Carvalho de Melo25d4e7f2020-07-17 09:39:16 -0300481
Arnaldo Carvalho de Melo3c91e8e2021-05-12 12:35:07 -0300482 __u16 pad;
483
Arnaldo Carvalho de Melo25d4e7f2020-07-17 09:39:16 -0300484 __u32 flags;
485 __u64 preemption_timer_deadline;
Arnaldo Carvalho de Melo0210c152018-09-11 11:18:58 -0300486};
487
Arnaldo Carvalho de Melodd76c302020-06-08 12:28:16 -0300488struct kvm_svm_nested_state_data {
489 /* Save area only used if KVM_STATE_NESTED_RUN_PENDING. */
490 __u8 vmcb12[KVM_STATE_NESTED_SVM_VMCB_SIZE];
491};
492
493struct kvm_svm_nested_state_hdr {
494 __u64 vmcb_pa;
495};
496
Arnaldo Carvalho de Melo0210c152018-09-11 11:18:58 -0300497/* for KVM_CAP_NESTED_STATE */
498struct kvm_nested_state {
Arnaldo Carvalho de Melo0210c152018-09-11 11:18:58 -0300499 __u16 flags;
Arnaldo Carvalho de Melo0210c152018-09-11 11:18:58 -0300500 __u16 format;
Arnaldo Carvalho de Melo0210c152018-09-11 11:18:58 -0300501 __u32 size;
502
503 union {
Arnaldo Carvalho de Meloc499d1f2019-07-06 14:26:40 -0300504 struct kvm_vmx_nested_state_hdr vmx;
Arnaldo Carvalho de Melodd76c302020-06-08 12:28:16 -0300505 struct kvm_svm_nested_state_hdr svm;
Arnaldo Carvalho de Melo0210c152018-09-11 11:18:58 -0300506
507 /* Pad the header to 128 bytes. */
508 __u8 pad[120];
Arnaldo Carvalho de Meloc499d1f2019-07-06 14:26:40 -0300509 } hdr;
Arnaldo Carvalho de Melo0210c152018-09-11 11:18:58 -0300510
Arnaldo Carvalho de Meloc499d1f2019-07-06 14:26:40 -0300511 /*
512 * Define data region as 0 bytes to preserve backwards-compatability
513 * to old definition of kvm_nested_state in order to avoid changing
514 * KVM_{GET,PUT}_NESTED_STATE ioctl values.
515 */
516 union {
Arnaldo Carvalho de Melo33c53f92023-03-03 17:26:24 -0300517 __DECLARE_FLEX_ARRAY(struct kvm_vmx_nested_state_data, vmx);
518 __DECLARE_FLEX_ARRAY(struct kvm_svm_nested_state_data, svm);
Arnaldo Carvalho de Meloc499d1f2019-07-06 14:26:40 -0300519 } data;
Arnaldo Carvalho de Melo0210c152018-09-11 11:18:58 -0300520};
521
Arnaldo Carvalho de Meloe0d99c42019-07-26 12:43:23 -0300522/* for KVM_CAP_PMU_EVENT_FILTER */
523struct kvm_pmu_event_filter {
524 __u32 action;
525 __u32 nevents;
526 __u32 fixed_counter_bitmap;
527 __u32 flags;
528 __u32 pad[4];
Gustavo A. R. Silva94dfc732022-04-06 19:36:51 -0500529 __u64 events[];
Arnaldo Carvalho de Meloe0d99c42019-07-26 12:43:23 -0300530};
531
532#define KVM_PMU_EVENT_ALLOW 0
533#define KVM_PMU_EVENT_DENY 1
534
Namhyung Kimbee3b822024-04-08 11:55:14 -0700535#define KVM_PMU_EVENT_FLAG_MASKED_EVENTS _BITUL(0)
Arnaldo Carvalho de Melo33c53f92023-03-03 17:26:24 -0300536#define KVM_PMU_EVENT_FLAGS_VALID_MASK (KVM_PMU_EVENT_FLAG_MASKED_EVENTS)
537
Namhyung Kimbee3b822024-04-08 11:55:14 -0700538/* for KVM_CAP_MCE */
539struct kvm_x86_mce {
540 __u64 status;
541 __u64 addr;
542 __u64 misc;
543 __u64 mcg_status;
544 __u8 bank;
545 __u8 pad1[7];
546 __u64 pad2[3];
547};
548
549/* for KVM_CAP_XEN_HVM */
550#define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0)
551#define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1)
552#define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2)
553#define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3)
554#define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4)
555#define KVM_XEN_HVM_CONFIG_EVTCHN_SEND (1 << 5)
556#define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG (1 << 6)
557#define KVM_XEN_HVM_CONFIG_PVCLOCK_TSC_UNSTABLE (1 << 7)
558#define KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA (1 << 8)
559
560struct kvm_xen_hvm_config {
561 __u32 flags;
562 __u32 msr;
563 __u64 blob_addr_32;
564 __u64 blob_addr_64;
565 __u8 blob_size_32;
566 __u8 blob_size_64;
567 __u8 pad2[30];
568};
569
570struct kvm_xen_hvm_attr {
571 __u16 type;
572 __u16 pad[3];
573 union {
574 __u8 long_mode;
575 __u8 vector;
576 __u8 runstate_update_flag;
577 union {
578 __u64 gfn;
579#define KVM_XEN_INVALID_GFN ((__u64)-1)
580 __u64 hva;
581 } shared_info;
582 struct {
583 __u32 send_port;
584 __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */
585 __u32 flags;
586#define KVM_XEN_EVTCHN_DEASSIGN (1 << 0)
587#define KVM_XEN_EVTCHN_UPDATE (1 << 1)
588#define KVM_XEN_EVTCHN_RESET (1 << 2)
589 /*
590 * Events sent by the guest are either looped back to
591 * the guest itself (potentially on a different port#)
592 * or signalled via an eventfd.
593 */
594 union {
595 struct {
596 __u32 port;
597 __u32 vcpu;
598 __u32 priority;
599 } port;
600 struct {
601 __u32 port; /* Zero for eventfd */
602 __s32 fd;
603 } eventfd;
604 __u32 padding[4];
605 } deliver;
606 } evtchn;
607 __u32 xen_version;
608 __u64 pad[8];
609 } u;
610};
611
612
613/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
614#define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0
615#define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1
616#define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2
617/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
618#define KVM_XEN_ATTR_TYPE_EVTCHN 0x3
619#define KVM_XEN_ATTR_TYPE_XEN_VERSION 0x4
620/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */
621#define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG 0x5
622/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA */
623#define KVM_XEN_ATTR_TYPE_SHARED_INFO_HVA 0x6
624
625struct kvm_xen_vcpu_attr {
626 __u16 type;
627 __u16 pad[3];
628 union {
629 __u64 gpa;
630#define KVM_XEN_INVALID_GPA ((__u64)-1)
631 __u64 hva;
632 __u64 pad[8];
633 struct {
634 __u64 state;
635 __u64 state_entry_time;
636 __u64 time_running;
637 __u64 time_runnable;
638 __u64 time_blocked;
639 __u64 time_offline;
640 } runstate;
641 __u32 vcpu_id;
642 struct {
643 __u32 port;
644 __u32 priority;
645 __u64 expires_ns;
646 } timer;
647 __u8 vector;
648 } u;
649};
650
651/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
652#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0
653#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1
654#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2
655#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
656#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4
657#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5
658/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
659#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6
660#define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7
661#define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR 0x8
662/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA */
663#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO_HVA 0x9
664
665/* Secure Encrypted Virtualization command */
666enum sev_cmd_id {
667 /* Guest initialization commands */
668 KVM_SEV_INIT = 0,
669 KVM_SEV_ES_INIT,
670 /* Guest launch commands */
671 KVM_SEV_LAUNCH_START,
672 KVM_SEV_LAUNCH_UPDATE_DATA,
673 KVM_SEV_LAUNCH_UPDATE_VMSA,
674 KVM_SEV_LAUNCH_SECRET,
675 KVM_SEV_LAUNCH_MEASURE,
676 KVM_SEV_LAUNCH_FINISH,
677 /* Guest migration commands (outgoing) */
678 KVM_SEV_SEND_START,
679 KVM_SEV_SEND_UPDATE_DATA,
680 KVM_SEV_SEND_UPDATE_VMSA,
681 KVM_SEV_SEND_FINISH,
682 /* Guest migration commands (incoming) */
683 KVM_SEV_RECEIVE_START,
684 KVM_SEV_RECEIVE_UPDATE_DATA,
685 KVM_SEV_RECEIVE_UPDATE_VMSA,
686 KVM_SEV_RECEIVE_FINISH,
687 /* Guest status and debug commands */
688 KVM_SEV_GUEST_STATUS,
689 KVM_SEV_DBG_DECRYPT,
690 KVM_SEV_DBG_ENCRYPT,
691 /* Guest certificates commands */
692 KVM_SEV_CERT_EXPORT,
693 /* Attestation report */
694 KVM_SEV_GET_ATTESTATION_REPORT,
695 /* Guest Migration Extension */
696 KVM_SEV_SEND_CANCEL,
697
Arnaldo Carvalho de Melo88e52052024-05-28 16:24:15 -0300698 /* Second time is the charm; improved versions of the above ioctls. */
699 KVM_SEV_INIT2,
700
Namhyung Kima625df32024-08-06 12:07:50 -0700701 /* SNP-specific commands */
702 KVM_SEV_SNP_LAUNCH_START = 100,
703 KVM_SEV_SNP_LAUNCH_UPDATE,
704 KVM_SEV_SNP_LAUNCH_FINISH,
705
Namhyung Kimbee3b822024-04-08 11:55:14 -0700706 KVM_SEV_NR_MAX,
707};
708
709struct kvm_sev_cmd {
710 __u32 id;
711 __u32 pad0;
712 __u64 data;
713 __u32 error;
714 __u32 sev_fd;
715};
716
Arnaldo Carvalho de Melo88e52052024-05-28 16:24:15 -0300717struct kvm_sev_init {
718 __u64 vmsa_features;
719 __u32 flags;
720 __u16 ghcb_version;
721 __u16 pad1;
722 __u32 pad2[8];
723};
724
Namhyung Kimbee3b822024-04-08 11:55:14 -0700725struct kvm_sev_launch_start {
726 __u32 handle;
727 __u32 policy;
728 __u64 dh_uaddr;
729 __u32 dh_len;
730 __u32 pad0;
731 __u64 session_uaddr;
732 __u32 session_len;
733 __u32 pad1;
734};
735
736struct kvm_sev_launch_update_data {
737 __u64 uaddr;
738 __u32 len;
739 __u32 pad0;
740};
741
742
743struct kvm_sev_launch_secret {
744 __u64 hdr_uaddr;
745 __u32 hdr_len;
746 __u32 pad0;
747 __u64 guest_uaddr;
748 __u32 guest_len;
749 __u32 pad1;
750 __u64 trans_uaddr;
751 __u32 trans_len;
752 __u32 pad2;
753};
754
755struct kvm_sev_launch_measure {
756 __u64 uaddr;
757 __u32 len;
758 __u32 pad0;
759};
760
761struct kvm_sev_guest_status {
762 __u32 handle;
763 __u32 policy;
764 __u32 state;
765};
766
767struct kvm_sev_dbg {
768 __u64 src_uaddr;
769 __u64 dst_uaddr;
770 __u32 len;
771 __u32 pad0;
772};
773
774struct kvm_sev_attestation_report {
775 __u8 mnonce[16];
776 __u64 uaddr;
777 __u32 len;
778 __u32 pad0;
779};
780
781struct kvm_sev_send_start {
782 __u32 policy;
783 __u32 pad0;
784 __u64 pdh_cert_uaddr;
785 __u32 pdh_cert_len;
786 __u32 pad1;
787 __u64 plat_certs_uaddr;
788 __u32 plat_certs_len;
789 __u32 pad2;
790 __u64 amd_certs_uaddr;
791 __u32 amd_certs_len;
792 __u32 pad3;
793 __u64 session_uaddr;
794 __u32 session_len;
795 __u32 pad4;
796};
797
798struct kvm_sev_send_update_data {
799 __u64 hdr_uaddr;
800 __u32 hdr_len;
801 __u32 pad0;
802 __u64 guest_uaddr;
803 __u32 guest_len;
804 __u32 pad1;
805 __u64 trans_uaddr;
806 __u32 trans_len;
807 __u32 pad2;
808};
809
810struct kvm_sev_receive_start {
811 __u32 handle;
812 __u32 policy;
813 __u64 pdh_uaddr;
814 __u32 pdh_len;
815 __u32 pad0;
816 __u64 session_uaddr;
817 __u32 session_len;
818 __u32 pad1;
819};
820
821struct kvm_sev_receive_update_data {
822 __u64 hdr_uaddr;
823 __u32 hdr_len;
824 __u32 pad0;
825 __u64 guest_uaddr;
826 __u32 guest_len;
827 __u32 pad1;
828 __u64 trans_uaddr;
829 __u32 trans_len;
830 __u32 pad2;
831};
832
Namhyung Kima625df32024-08-06 12:07:50 -0700833struct kvm_sev_snp_launch_start {
834 __u64 policy;
835 __u8 gosvw[16];
836 __u16 flags;
837 __u8 pad0[6];
838 __u64 pad1[4];
839};
840
841/* Kept in sync with firmware values for simplicity. */
842#define KVM_SEV_SNP_PAGE_TYPE_NORMAL 0x1
843#define KVM_SEV_SNP_PAGE_TYPE_ZERO 0x3
844#define KVM_SEV_SNP_PAGE_TYPE_UNMEASURED 0x4
845#define KVM_SEV_SNP_PAGE_TYPE_SECRETS 0x5
846#define KVM_SEV_SNP_PAGE_TYPE_CPUID 0x6
847
848struct kvm_sev_snp_launch_update {
849 __u64 gfn_start;
850 __u64 uaddr;
851 __u64 len;
852 __u8 type;
853 __u8 pad0;
854 __u16 flags;
855 __u32 pad1;
856 __u64 pad2[4];
857};
858
859#define KVM_SEV_SNP_ID_BLOCK_SIZE 96
860#define KVM_SEV_SNP_ID_AUTH_SIZE 4096
861#define KVM_SEV_SNP_FINISH_DATA_SIZE 32
862
863struct kvm_sev_snp_launch_finish {
864 __u64 id_block_uaddr;
865 __u64 id_auth_uaddr;
866 __u8 id_block_en;
867 __u8 auth_key_en;
868 __u8 vcek_disabled;
869 __u8 host_data[KVM_SEV_SNP_FINISH_DATA_SIZE];
870 __u8 pad0[3];
871 __u16 flags;
872 __u64 pad1[4];
873};
874
Namhyung Kimbee3b822024-04-08 11:55:14 -0700875#define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
876#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
877
878struct kvm_hyperv_eventfd {
879 __u32 conn_id;
880 __s32 fd;
881 __u32 flags;
882 __u32 padding[3];
883};
884
885#define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
886#define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
887
Arnaldo Carvalho de Melo33c53f92023-03-03 17:26:24 -0300888/*
889 * Masked event layout.
890 * Bits Description
891 * ---- -----------
892 * 7:0 event select (low bits)
893 * 15:8 umask match
894 * 31:16 unused
895 * 35:32 event select (high bits)
896 * 36:54 unused
897 * 55 exclude bit
898 * 63:56 umask mask
899 */
900
901#define KVM_PMU_ENCODE_MASKED_ENTRY(event_select, mask, match, exclude) \
902 (((event_select) & 0xFFULL) | (((event_select) & 0XF00ULL) << 24) | \
903 (((mask) & 0xFFULL) << 56) | \
904 (((match) & 0xFFULL) << 8) | \
905 ((__u64)(!!(exclude)) << 55))
906
907#define KVM_PMU_MASKED_ENTRY_EVENT_SELECT \
Namhyung Kimbee3b822024-04-08 11:55:14 -0700908 (__GENMASK_ULL(7, 0) | __GENMASK_ULL(35, 32))
909#define KVM_PMU_MASKED_ENTRY_UMASK_MASK (__GENMASK_ULL(63, 56))
910#define KVM_PMU_MASKED_ENTRY_UMASK_MATCH (__GENMASK_ULL(15, 8))
911#define KVM_PMU_MASKED_ENTRY_EXCLUDE (_BITULL(55))
Arnaldo Carvalho de Melo33c53f92023-03-03 17:26:24 -0300912#define KVM_PMU_MASKED_ENTRY_UMASK_MASK_SHIFT (56)
913
Arnaldo Carvalho de Melo162b9442021-09-10 11:46:54 -0300914/* for KVM_{GET,SET,HAS}_DEVICE_ATTR */
915#define KVM_VCPU_TSC_CTRL 0 /* control group for the timestamp counter (TSC) */
916#define KVM_VCPU_TSC_OFFSET 0 /* attribute for the TSC offset */
917
Yanteng Si705049ca2023-05-10 18:24:11 +0800918/* x86-specific KVM_EXIT_HYPERCALL flags. */
Namhyung Kimbee3b822024-04-08 11:55:14 -0700919#define KVM_EXIT_HYPERCALL_LONG_MODE _BITULL(0)
Yanteng Si705049ca2023-05-10 18:24:11 +0800920
Arnaldo Carvalho de Meloe30dca92024-01-27 14:52:23 -0300921#define KVM_X86_DEFAULT_VM 0
922#define KVM_X86_SW_PROTECTED_VM 1
Arnaldo Carvalho de Melo88e52052024-05-28 16:24:15 -0300923#define KVM_X86_SEV_VM 2
924#define KVM_X86_SEV_ES_VM 3
Namhyung Kima625df32024-08-06 12:07:50 -0700925#define KVM_X86_SNP_VM 4
Arnaldo Carvalho de Meloe30dca92024-01-27 14:52:23 -0300926
Arnaldo Carvalho de Melodd7bd102016-07-12 10:57:25 -0300927#endif /* _ASM_X86_KVM_H */