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oasis-root

Compiled tree of Oasis Linux based on own branch at <https://hacktivis.me/git/oasis/> git clone https://anongit.hacktivis.me/git/oasis-root.git

kvm.h (20928B)


  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2. #ifndef _ASM_X86_KVM_H
  3. #define _ASM_X86_KVM_H
  4. /*
  5. * KVM x86 specific structures and definitions
  6. *
  7. */
  8. #include <linux/const.h>
  9. #include <linux/bits.h>
  10. #include <linux/types.h>
  11. #include <linux/ioctl.h>
  12. #include <linux/stddef.h>
  13. #define KVM_PIO_PAGE_OFFSET 1
  14. #define KVM_COALESCED_MMIO_PAGE_OFFSET 2
  15. #define KVM_DIRTY_LOG_PAGE_OFFSET 64
  16. #define DE_VECTOR 0
  17. #define DB_VECTOR 1
  18. #define BP_VECTOR 3
  19. #define OF_VECTOR 4
  20. #define BR_VECTOR 5
  21. #define UD_VECTOR 6
  22. #define NM_VECTOR 7
  23. #define DF_VECTOR 8
  24. #define TS_VECTOR 10
  25. #define NP_VECTOR 11
  26. #define SS_VECTOR 12
  27. #define GP_VECTOR 13
  28. #define PF_VECTOR 14
  29. #define MF_VECTOR 16
  30. #define AC_VECTOR 17
  31. #define MC_VECTOR 18
  32. #define XM_VECTOR 19
  33. #define VE_VECTOR 20
  34. /* Select x86 specific features in <linux/kvm.h> */
  35. #define __KVM_HAVE_PIT
  36. #define __KVM_HAVE_IOAPIC
  37. #define __KVM_HAVE_IRQ_LINE
  38. #define __KVM_HAVE_MSI
  39. #define __KVM_HAVE_USER_NMI
  40. #define __KVM_HAVE_MSIX
  41. #define __KVM_HAVE_MCE
  42. #define __KVM_HAVE_PIT_STATE2
  43. #define __KVM_HAVE_XEN_HVM
  44. #define __KVM_HAVE_VCPU_EVENTS
  45. #define __KVM_HAVE_DEBUGREGS
  46. #define __KVM_HAVE_XSAVE
  47. #define __KVM_HAVE_XCRS
  48. /* Architectural interrupt line count. */
  49. #define KVM_NR_INTERRUPTS 256
  50. /* for KVM_GET_IRQCHIP and KVM_SET_IRQCHIP */
  51. struct kvm_pic_state {
  52. __u8 last_irr; /* edge detection */
  53. __u8 irr; /* interrupt request register */
  54. __u8 imr; /* interrupt mask register */
  55. __u8 isr; /* interrupt service register */
  56. __u8 priority_add; /* highest irq priority */
  57. __u8 irq_base;
  58. __u8 read_reg_select;
  59. __u8 poll;
  60. __u8 special_mask;
  61. __u8 init_state;
  62. __u8 auto_eoi;
  63. __u8 rotate_on_auto_eoi;
  64. __u8 special_fully_nested_mode;
  65. __u8 init4; /* true if 4 byte init */
  66. __u8 elcr; /* PIIX edge/trigger selection */
  67. __u8 elcr_mask;
  68. };
  69. #define KVM_IOAPIC_NUM_PINS 24
  70. struct kvm_ioapic_state {
  71. __u64 base_address;
  72. __u32 ioregsel;
  73. __u32 id;
  74. __u32 irr;
  75. __u32 pad;
  76. union {
  77. __u64 bits;
  78. struct {
  79. __u8 vector;
  80. __u8 delivery_mode:3;
  81. __u8 dest_mode:1;
  82. __u8 delivery_status:1;
  83. __u8 polarity:1;
  84. __u8 remote_irr:1;
  85. __u8 trig_mode:1;
  86. __u8 mask:1;
  87. __u8 reserve:7;
  88. __u8 reserved[4];
  89. __u8 dest_id;
  90. } fields;
  91. } redirtbl[KVM_IOAPIC_NUM_PINS];
  92. };
  93. #define KVM_IRQCHIP_PIC_MASTER 0
  94. #define KVM_IRQCHIP_PIC_SLAVE 1
  95. #define KVM_IRQCHIP_IOAPIC 2
  96. #define KVM_NR_IRQCHIPS 3
  97. #define KVM_RUN_X86_SMM (1 << 0)
  98. #define KVM_RUN_X86_BUS_LOCK (1 << 1)
  99. #define KVM_RUN_X86_GUEST_MODE (1 << 2)
  100. /* for KVM_GET_REGS and KVM_SET_REGS */
  101. struct kvm_regs {
  102. /* out (KVM_GET_REGS) / in (KVM_SET_REGS) */
  103. __u64 rax, rbx, rcx, rdx;
  104. __u64 rsi, rdi, rsp, rbp;
  105. __u64 r8, r9, r10, r11;
  106. __u64 r12, r13, r14, r15;
  107. __u64 rip, rflags;
  108. };
  109. /* for KVM_GET_LAPIC and KVM_SET_LAPIC */
  110. #define KVM_APIC_REG_SIZE 0x400
  111. struct kvm_lapic_state {
  112. char regs[KVM_APIC_REG_SIZE];
  113. };
  114. struct kvm_segment {
  115. __u64 base;
  116. __u32 limit;
  117. __u16 selector;
  118. __u8 type;
  119. __u8 present, dpl, db, s, l, g, avl;
  120. __u8 unusable;
  121. __u8 padding;
  122. };
  123. struct kvm_dtable {
  124. __u64 base;
  125. __u16 limit;
  126. __u16 padding[3];
  127. };
  128. /* for KVM_GET_SREGS and KVM_SET_SREGS */
  129. struct kvm_sregs {
  130. /* out (KVM_GET_SREGS) / in (KVM_SET_SREGS) */
  131. struct kvm_segment cs, ds, es, fs, gs, ss;
  132. struct kvm_segment tr, ldt;
  133. struct kvm_dtable gdt, idt;
  134. __u64 cr0, cr2, cr3, cr4, cr8;
  135. __u64 efer;
  136. __u64 apic_base;
  137. __u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
  138. };
  139. struct kvm_sregs2 {
  140. /* out (KVM_GET_SREGS2) / in (KVM_SET_SREGS2) */
  141. struct kvm_segment cs, ds, es, fs, gs, ss;
  142. struct kvm_segment tr, ldt;
  143. struct kvm_dtable gdt, idt;
  144. __u64 cr0, cr2, cr3, cr4, cr8;
  145. __u64 efer;
  146. __u64 apic_base;
  147. __u64 flags;
  148. __u64 pdptrs[4];
  149. };
  150. #define KVM_SREGS2_FLAGS_PDPTRS_VALID 1
  151. /* for KVM_GET_FPU and KVM_SET_FPU */
  152. struct kvm_fpu {
  153. __u8 fpr[8][16];
  154. __u16 fcw;
  155. __u16 fsw;
  156. __u8 ftwx; /* in fxsave format */
  157. __u8 pad1;
  158. __u16 last_opcode;
  159. __u64 last_ip;
  160. __u64 last_dp;
  161. __u8 xmm[16][16];
  162. __u32 mxcsr;
  163. __u32 pad2;
  164. };
  165. struct kvm_msr_entry {
  166. __u32 index;
  167. __u32 reserved;
  168. __u64 data;
  169. };
  170. /* for KVM_GET_MSRS and KVM_SET_MSRS */
  171. struct kvm_msrs {
  172. __u32 nmsrs; /* number of msrs in entries */
  173. __u32 pad;
  174. struct kvm_msr_entry entries[];
  175. };
  176. /* for KVM_GET_MSR_INDEX_LIST */
  177. struct kvm_msr_list {
  178. __u32 nmsrs; /* number of msrs in entries */
  179. __u32 indices[];
  180. };
  181. /* Maximum size of any access bitmap in bytes */
  182. #define KVM_MSR_FILTER_MAX_BITMAP_SIZE 0x600
  183. /* for KVM_X86_SET_MSR_FILTER */
  184. struct kvm_msr_filter_range {
  185. #define KVM_MSR_FILTER_READ (1 << 0)
  186. #define KVM_MSR_FILTER_WRITE (1 << 1)
  187. #define KVM_MSR_FILTER_RANGE_VALID_MASK (KVM_MSR_FILTER_READ | \
  188. KVM_MSR_FILTER_WRITE)
  189. __u32 flags;
  190. __u32 nmsrs; /* number of msrs in bitmap */
  191. __u32 base; /* MSR index the bitmap starts at */
  192. __u8 *bitmap; /* a 1 bit allows the operations in flags, 0 denies */
  193. };
  194. #define KVM_MSR_FILTER_MAX_RANGES 16
  195. struct kvm_msr_filter {
  196. #define KVM_MSR_FILTER_DEFAULT_ALLOW (0 << 0)
  197. #define KVM_MSR_FILTER_DEFAULT_DENY (1 << 0)
  198. #define KVM_MSR_FILTER_VALID_MASK (KVM_MSR_FILTER_DEFAULT_DENY)
  199. __u32 flags;
  200. struct kvm_msr_filter_range ranges[KVM_MSR_FILTER_MAX_RANGES];
  201. };
  202. struct kvm_cpuid_entry {
  203. __u32 function;
  204. __u32 eax;
  205. __u32 ebx;
  206. __u32 ecx;
  207. __u32 edx;
  208. __u32 padding;
  209. };
  210. /* for KVM_SET_CPUID */
  211. struct kvm_cpuid {
  212. __u32 nent;
  213. __u32 padding;
  214. struct kvm_cpuid_entry entries[];
  215. };
  216. struct kvm_cpuid_entry2 {
  217. __u32 function;
  218. __u32 index;
  219. __u32 flags;
  220. __u32 eax;
  221. __u32 ebx;
  222. __u32 ecx;
  223. __u32 edx;
  224. __u32 padding[3];
  225. };
  226. #define KVM_CPUID_FLAG_SIGNIFCANT_INDEX (1 << 0)
  227. #define KVM_CPUID_FLAG_STATEFUL_FUNC (1 << 1)
  228. #define KVM_CPUID_FLAG_STATE_READ_NEXT (1 << 2)
  229. /* for KVM_SET_CPUID2 */
  230. struct kvm_cpuid2 {
  231. __u32 nent;
  232. __u32 padding;
  233. struct kvm_cpuid_entry2 entries[];
  234. };
  235. /* for KVM_GET_PIT and KVM_SET_PIT */
  236. struct kvm_pit_channel_state {
  237. __u32 count; /* can be 65536 */
  238. __u16 latched_count;
  239. __u8 count_latched;
  240. __u8 status_latched;
  241. __u8 status;
  242. __u8 read_state;
  243. __u8 write_state;
  244. __u8 write_latch;
  245. __u8 rw_mode;
  246. __u8 mode;
  247. __u8 bcd;
  248. __u8 gate;
  249. __s64 count_load_time;
  250. };
  251. struct kvm_debug_exit_arch {
  252. __u32 exception;
  253. __u32 pad;
  254. __u64 pc;
  255. __u64 dr6;
  256. __u64 dr7;
  257. };
  258. #define KVM_GUESTDBG_USE_SW_BP 0x00010000
  259. #define KVM_GUESTDBG_USE_HW_BP 0x00020000
  260. #define KVM_GUESTDBG_INJECT_DB 0x00040000
  261. #define KVM_GUESTDBG_INJECT_BP 0x00080000
  262. #define KVM_GUESTDBG_BLOCKIRQ 0x00100000
  263. /* for KVM_SET_GUEST_DEBUG */
  264. struct kvm_guest_debug_arch {
  265. __u64 debugreg[8];
  266. };
  267. struct kvm_pit_state {
  268. struct kvm_pit_channel_state channels[3];
  269. };
  270. #define KVM_PIT_FLAGS_HPET_LEGACY 0x00000001
  271. #define KVM_PIT_FLAGS_SPEAKER_DATA_ON 0x00000002
  272. struct kvm_pit_state2 {
  273. struct kvm_pit_channel_state channels[3];
  274. __u32 flags;
  275. __u32 reserved[9];
  276. };
  277. struct kvm_reinject_control {
  278. __u8 pit_reinject;
  279. __u8 reserved[31];
  280. };
  281. /* When set in flags, include corresponding fields on KVM_SET_VCPU_EVENTS */
  282. #define KVM_VCPUEVENT_VALID_NMI_PENDING 0x00000001
  283. #define KVM_VCPUEVENT_VALID_SIPI_VECTOR 0x00000002
  284. #define KVM_VCPUEVENT_VALID_SHADOW 0x00000004
  285. #define KVM_VCPUEVENT_VALID_SMM 0x00000008
  286. #define KVM_VCPUEVENT_VALID_PAYLOAD 0x00000010
  287. #define KVM_VCPUEVENT_VALID_TRIPLE_FAULT 0x00000020
  288. /* Interrupt shadow states */
  289. #define KVM_X86_SHADOW_INT_MOV_SS 0x01
  290. #define KVM_X86_SHADOW_INT_STI 0x02
  291. /* for KVM_GET/SET_VCPU_EVENTS */
  292. struct kvm_vcpu_events {
  293. struct {
  294. __u8 injected;
  295. __u8 nr;
  296. __u8 has_error_code;
  297. __u8 pending;
  298. __u32 error_code;
  299. } exception;
  300. struct {
  301. __u8 injected;
  302. __u8 nr;
  303. __u8 soft;
  304. __u8 shadow;
  305. } interrupt;
  306. struct {
  307. __u8 injected;
  308. __u8 pending;
  309. __u8 masked;
  310. __u8 pad;
  311. } nmi;
  312. __u32 sipi_vector;
  313. __u32 flags;
  314. struct {
  315. __u8 smm;
  316. __u8 pending;
  317. __u8 smm_inside_nmi;
  318. __u8 latched_init;
  319. } smi;
  320. struct {
  321. __u8 pending;
  322. } triple_fault;
  323. __u8 reserved[26];
  324. __u8 exception_has_payload;
  325. __u64 exception_payload;
  326. };
  327. /* for KVM_GET/SET_DEBUGREGS */
  328. struct kvm_debugregs {
  329. __u64 db[4];
  330. __u64 dr6;
  331. __u64 dr7;
  332. __u64 flags;
  333. __u64 reserved[9];
  334. };
  335. /* for KVM_CAP_XSAVE and KVM_CAP_XSAVE2 */
  336. struct kvm_xsave {
  337. /*
  338. * KVM_GET_XSAVE2 and KVM_SET_XSAVE write and read as many bytes
  339. * as are returned by KVM_CHECK_EXTENSION(KVM_CAP_XSAVE2)
  340. * respectively, when invoked on the vm file descriptor.
  341. *
  342. * The size value returned by KVM_CHECK_EXTENSION(KVM_CAP_XSAVE2)
  343. * will always be at least 4096. Currently, it is only greater
  344. * than 4096 if a dynamic feature has been enabled with
  345. * ``arch_prctl()``, but this may change in the future.
  346. *
  347. * The offsets of the state save areas in struct kvm_xsave follow
  348. * the contents of CPUID leaf 0xD on the host.
  349. */
  350. __u32 region[1024];
  351. __u32 extra[];
  352. };
  353. #define KVM_MAX_XCRS 16
  354. struct kvm_xcr {
  355. __u32 xcr;
  356. __u32 reserved;
  357. __u64 value;
  358. };
  359. struct kvm_xcrs {
  360. __u32 nr_xcrs;
  361. __u32 flags;
  362. struct kvm_xcr xcrs[KVM_MAX_XCRS];
  363. __u64 padding[16];
  364. };
  365. #define KVM_SYNC_X86_REGS (1UL << 0)
  366. #define KVM_SYNC_X86_SREGS (1UL << 1)
  367. #define KVM_SYNC_X86_EVENTS (1UL << 2)
  368. #define KVM_SYNC_X86_VALID_FIELDS \
  369. (KVM_SYNC_X86_REGS| \
  370. KVM_SYNC_X86_SREGS| \
  371. KVM_SYNC_X86_EVENTS)
  372. /* kvm_sync_regs struct included by kvm_run struct */
  373. struct kvm_sync_regs {
  374. /* Members of this structure are potentially malicious.
  375. * Care must be taken by code reading, esp. interpreting,
  376. * data fields from them inside KVM to prevent TOCTOU and
  377. * double-fetch types of vulnerabilities.
  378. */
  379. struct kvm_regs regs;
  380. struct kvm_sregs sregs;
  381. struct kvm_vcpu_events events;
  382. };
  383. #define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0)
  384. #define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1)
  385. #define KVM_X86_QUIRK_LAPIC_MMIO_HOLE (1 << 2)
  386. #define KVM_X86_QUIRK_OUT_7E_INC_RIP (1 << 3)
  387. #define KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT (1 << 4)
  388. #define KVM_X86_QUIRK_FIX_HYPERCALL_INSN (1 << 5)
  389. #define KVM_X86_QUIRK_MWAIT_NEVER_UD_FAULTS (1 << 6)
  390. #define KVM_X86_QUIRK_SLOT_ZAP_ALL (1 << 7)
  391. #define KVM_STATE_NESTED_FORMAT_VMX 0
  392. #define KVM_STATE_NESTED_FORMAT_SVM 1
  393. #define KVM_STATE_NESTED_GUEST_MODE 0x00000001
  394. #define KVM_STATE_NESTED_RUN_PENDING 0x00000002
  395. #define KVM_STATE_NESTED_EVMCS 0x00000004
  396. #define KVM_STATE_NESTED_MTF_PENDING 0x00000008
  397. #define KVM_STATE_NESTED_GIF_SET 0x00000100
  398. #define KVM_STATE_NESTED_SMM_GUEST_MODE 0x00000001
  399. #define KVM_STATE_NESTED_SMM_VMXON 0x00000002
  400. #define KVM_STATE_NESTED_VMX_VMCS_SIZE 0x1000
  401. #define KVM_STATE_NESTED_SVM_VMCB_SIZE 0x1000
  402. #define KVM_STATE_VMX_PREEMPTION_TIMER_DEADLINE 0x00000001
  403. /* vendor-independent attributes for system fd (group 0) */
  404. #define KVM_X86_GRP_SYSTEM 0
  405. # define KVM_X86_XCOMP_GUEST_SUPP 0
  406. /* vendor-specific groups and attributes for system fd */
  407. #define KVM_X86_GRP_SEV 1
  408. # define KVM_X86_SEV_VMSA_FEATURES 0
  409. struct kvm_vmx_nested_state_data {
  410. __u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE];
  411. __u8 shadow_vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE];
  412. };
  413. struct kvm_vmx_nested_state_hdr {
  414. __u64 vmxon_pa;
  415. __u64 vmcs12_pa;
  416. struct {
  417. __u16 flags;
  418. } smm;
  419. __u16 pad;
  420. __u32 flags;
  421. __u64 preemption_timer_deadline;
  422. };
  423. struct kvm_svm_nested_state_data {
  424. /* Save area only used if KVM_STATE_NESTED_RUN_PENDING. */
  425. __u8 vmcb12[KVM_STATE_NESTED_SVM_VMCB_SIZE];
  426. };
  427. struct kvm_svm_nested_state_hdr {
  428. __u64 vmcb_pa;
  429. };
  430. /* for KVM_CAP_NESTED_STATE */
  431. struct kvm_nested_state {
  432. __u16 flags;
  433. __u16 format;
  434. __u32 size;
  435. union {
  436. struct kvm_vmx_nested_state_hdr vmx;
  437. struct kvm_svm_nested_state_hdr svm;
  438. /* Pad the header to 128 bytes. */
  439. __u8 pad[120];
  440. } hdr;
  441. /*
  442. * Define data region as 0 bytes to preserve backwards-compatability
  443. * to old definition of kvm_nested_state in order to avoid changing
  444. * KVM_{GET,PUT}_NESTED_STATE ioctl values.
  445. */
  446. union {
  447. __DECLARE_FLEX_ARRAY(struct kvm_vmx_nested_state_data, vmx);
  448. __DECLARE_FLEX_ARRAY(struct kvm_svm_nested_state_data, svm);
  449. } data;
  450. };
  451. /* for KVM_CAP_PMU_EVENT_FILTER */
  452. struct kvm_pmu_event_filter {
  453. __u32 action;
  454. __u32 nevents;
  455. __u32 fixed_counter_bitmap;
  456. __u32 flags;
  457. __u32 pad[4];
  458. __u64 events[];
  459. };
  460. #define KVM_PMU_EVENT_ALLOW 0
  461. #define KVM_PMU_EVENT_DENY 1
  462. #define KVM_PMU_EVENT_FLAG_MASKED_EVENTS _BITUL(0)
  463. #define KVM_PMU_EVENT_FLAGS_VALID_MASK (KVM_PMU_EVENT_FLAG_MASKED_EVENTS)
  464. /* for KVM_CAP_MCE */
  465. struct kvm_x86_mce {
  466. __u64 status;
  467. __u64 addr;
  468. __u64 misc;
  469. __u64 mcg_status;
  470. __u8 bank;
  471. __u8 pad1[7];
  472. __u64 pad2[3];
  473. };
  474. /* for KVM_CAP_XEN_HVM */
  475. #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0)
  476. #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1)
  477. #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2)
  478. #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3)
  479. #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4)
  480. #define KVM_XEN_HVM_CONFIG_EVTCHN_SEND (1 << 5)
  481. #define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG (1 << 6)
  482. #define KVM_XEN_HVM_CONFIG_PVCLOCK_TSC_UNSTABLE (1 << 7)
  483. #define KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA (1 << 8)
  484. struct kvm_xen_hvm_config {
  485. __u32 flags;
  486. __u32 msr;
  487. __u64 blob_addr_32;
  488. __u64 blob_addr_64;
  489. __u8 blob_size_32;
  490. __u8 blob_size_64;
  491. __u8 pad2[30];
  492. };
  493. struct kvm_xen_hvm_attr {
  494. __u16 type;
  495. __u16 pad[3];
  496. union {
  497. __u8 long_mode;
  498. __u8 vector;
  499. __u8 runstate_update_flag;
  500. union {
  501. __u64 gfn;
  502. #define KVM_XEN_INVALID_GFN ((__u64)-1)
  503. __u64 hva;
  504. } shared_info;
  505. struct {
  506. __u32 send_port;
  507. __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */
  508. __u32 flags;
  509. #define KVM_XEN_EVTCHN_DEASSIGN (1 << 0)
  510. #define KVM_XEN_EVTCHN_UPDATE (1 << 1)
  511. #define KVM_XEN_EVTCHN_RESET (1 << 2)
  512. /*
  513. * Events sent by the guest are either looped back to
  514. * the guest itself (potentially on a different port#)
  515. * or signalled via an eventfd.
  516. */
  517. union {
  518. struct {
  519. __u32 port;
  520. __u32 vcpu;
  521. __u32 priority;
  522. } port;
  523. struct {
  524. __u32 port; /* Zero for eventfd */
  525. __s32 fd;
  526. } eventfd;
  527. __u32 padding[4];
  528. } deliver;
  529. } evtchn;
  530. __u32 xen_version;
  531. __u64 pad[8];
  532. } u;
  533. };
  534. /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
  535. #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0
  536. #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1
  537. #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2
  538. /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
  539. #define KVM_XEN_ATTR_TYPE_EVTCHN 0x3
  540. #define KVM_XEN_ATTR_TYPE_XEN_VERSION 0x4
  541. /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */
  542. #define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG 0x5
  543. /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA */
  544. #define KVM_XEN_ATTR_TYPE_SHARED_INFO_HVA 0x6
  545. struct kvm_xen_vcpu_attr {
  546. __u16 type;
  547. __u16 pad[3];
  548. union {
  549. __u64 gpa;
  550. #define KVM_XEN_INVALID_GPA ((__u64)-1)
  551. __u64 hva;
  552. __u64 pad[8];
  553. struct {
  554. __u64 state;
  555. __u64 state_entry_time;
  556. __u64 time_running;
  557. __u64 time_runnable;
  558. __u64 time_blocked;
  559. __u64 time_offline;
  560. } runstate;
  561. __u32 vcpu_id;
  562. struct {
  563. __u32 port;
  564. __u32 priority;
  565. __u64 expires_ns;
  566. } timer;
  567. __u8 vector;
  568. } u;
  569. };
  570. /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
  571. #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0
  572. #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1
  573. #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2
  574. #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
  575. #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4
  576. #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5
  577. /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
  578. #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6
  579. #define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7
  580. #define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR 0x8
  581. /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA */
  582. #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO_HVA 0x9
  583. /* Secure Encrypted Virtualization command */
  584. enum sev_cmd_id {
  585. /* Guest initialization commands */
  586. KVM_SEV_INIT = 0,
  587. KVM_SEV_ES_INIT,
  588. /* Guest launch commands */
  589. KVM_SEV_LAUNCH_START,
  590. KVM_SEV_LAUNCH_UPDATE_DATA,
  591. KVM_SEV_LAUNCH_UPDATE_VMSA,
  592. KVM_SEV_LAUNCH_SECRET,
  593. KVM_SEV_LAUNCH_MEASURE,
  594. KVM_SEV_LAUNCH_FINISH,
  595. /* Guest migration commands (outgoing) */
  596. KVM_SEV_SEND_START,
  597. KVM_SEV_SEND_UPDATE_DATA,
  598. KVM_SEV_SEND_UPDATE_VMSA,
  599. KVM_SEV_SEND_FINISH,
  600. /* Guest migration commands (incoming) */
  601. KVM_SEV_RECEIVE_START,
  602. KVM_SEV_RECEIVE_UPDATE_DATA,
  603. KVM_SEV_RECEIVE_UPDATE_VMSA,
  604. KVM_SEV_RECEIVE_FINISH,
  605. /* Guest status and debug commands */
  606. KVM_SEV_GUEST_STATUS,
  607. KVM_SEV_DBG_DECRYPT,
  608. KVM_SEV_DBG_ENCRYPT,
  609. /* Guest certificates commands */
  610. KVM_SEV_CERT_EXPORT,
  611. /* Attestation report */
  612. KVM_SEV_GET_ATTESTATION_REPORT,
  613. /* Guest Migration Extension */
  614. KVM_SEV_SEND_CANCEL,
  615. /* Second time is the charm; improved versions of the above ioctls. */
  616. KVM_SEV_INIT2,
  617. /* SNP-specific commands */
  618. KVM_SEV_SNP_LAUNCH_START = 100,
  619. KVM_SEV_SNP_LAUNCH_UPDATE,
  620. KVM_SEV_SNP_LAUNCH_FINISH,
  621. KVM_SEV_NR_MAX,
  622. };
  623. struct kvm_sev_cmd {
  624. __u32 id;
  625. __u32 pad0;
  626. __u64 data;
  627. __u32 error;
  628. __u32 sev_fd;
  629. };
  630. struct kvm_sev_init {
  631. __u64 vmsa_features;
  632. __u32 flags;
  633. __u16 ghcb_version;
  634. __u16 pad1;
  635. __u32 pad2[8];
  636. };
  637. struct kvm_sev_launch_start {
  638. __u32 handle;
  639. __u32 policy;
  640. __u64 dh_uaddr;
  641. __u32 dh_len;
  642. __u32 pad0;
  643. __u64 session_uaddr;
  644. __u32 session_len;
  645. __u32 pad1;
  646. };
  647. struct kvm_sev_launch_update_data {
  648. __u64 uaddr;
  649. __u32 len;
  650. __u32 pad0;
  651. };
  652. struct kvm_sev_launch_secret {
  653. __u64 hdr_uaddr;
  654. __u32 hdr_len;
  655. __u32 pad0;
  656. __u64 guest_uaddr;
  657. __u32 guest_len;
  658. __u32 pad1;
  659. __u64 trans_uaddr;
  660. __u32 trans_len;
  661. __u32 pad2;
  662. };
  663. struct kvm_sev_launch_measure {
  664. __u64 uaddr;
  665. __u32 len;
  666. __u32 pad0;
  667. };
  668. struct kvm_sev_guest_status {
  669. __u32 handle;
  670. __u32 policy;
  671. __u32 state;
  672. };
  673. struct kvm_sev_dbg {
  674. __u64 src_uaddr;
  675. __u64 dst_uaddr;
  676. __u32 len;
  677. __u32 pad0;
  678. };
  679. struct kvm_sev_attestation_report {
  680. __u8 mnonce[16];
  681. __u64 uaddr;
  682. __u32 len;
  683. __u32 pad0;
  684. };
  685. struct kvm_sev_send_start {
  686. __u32 policy;
  687. __u32 pad0;
  688. __u64 pdh_cert_uaddr;
  689. __u32 pdh_cert_len;
  690. __u32 pad1;
  691. __u64 plat_certs_uaddr;
  692. __u32 plat_certs_len;
  693. __u32 pad2;
  694. __u64 amd_certs_uaddr;
  695. __u32 amd_certs_len;
  696. __u32 pad3;
  697. __u64 session_uaddr;
  698. __u32 session_len;
  699. __u32 pad4;
  700. };
  701. struct kvm_sev_send_update_data {
  702. __u64 hdr_uaddr;
  703. __u32 hdr_len;
  704. __u32 pad0;
  705. __u64 guest_uaddr;
  706. __u32 guest_len;
  707. __u32 pad1;
  708. __u64 trans_uaddr;
  709. __u32 trans_len;
  710. __u32 pad2;
  711. };
  712. struct kvm_sev_receive_start {
  713. __u32 handle;
  714. __u32 policy;
  715. __u64 pdh_uaddr;
  716. __u32 pdh_len;
  717. __u32 pad0;
  718. __u64 session_uaddr;
  719. __u32 session_len;
  720. __u32 pad1;
  721. };
  722. struct kvm_sev_receive_update_data {
  723. __u64 hdr_uaddr;
  724. __u32 hdr_len;
  725. __u32 pad0;
  726. __u64 guest_uaddr;
  727. __u32 guest_len;
  728. __u32 pad1;
  729. __u64 trans_uaddr;
  730. __u32 trans_len;
  731. __u32 pad2;
  732. };
  733. struct kvm_sev_snp_launch_start {
  734. __u64 policy;
  735. __u8 gosvw[16];
  736. __u16 flags;
  737. __u8 pad0[6];
  738. __u64 pad1[4];
  739. };
  740. /* Kept in sync with firmware values for simplicity. */
  741. #define KVM_SEV_SNP_PAGE_TYPE_NORMAL 0x1
  742. #define KVM_SEV_SNP_PAGE_TYPE_ZERO 0x3
  743. #define KVM_SEV_SNP_PAGE_TYPE_UNMEASURED 0x4
  744. #define KVM_SEV_SNP_PAGE_TYPE_SECRETS 0x5
  745. #define KVM_SEV_SNP_PAGE_TYPE_CPUID 0x6
  746. struct kvm_sev_snp_launch_update {
  747. __u64 gfn_start;
  748. __u64 uaddr;
  749. __u64 len;
  750. __u8 type;
  751. __u8 pad0;
  752. __u16 flags;
  753. __u32 pad1;
  754. __u64 pad2[4];
  755. };
  756. #define KVM_SEV_SNP_ID_BLOCK_SIZE 96
  757. #define KVM_SEV_SNP_ID_AUTH_SIZE 4096
  758. #define KVM_SEV_SNP_FINISH_DATA_SIZE 32
  759. struct kvm_sev_snp_launch_finish {
  760. __u64 id_block_uaddr;
  761. __u64 id_auth_uaddr;
  762. __u8 id_block_en;
  763. __u8 auth_key_en;
  764. __u8 vcek_disabled;
  765. __u8 host_data[KVM_SEV_SNP_FINISH_DATA_SIZE];
  766. __u8 pad0[3];
  767. __u16 flags;
  768. __u64 pad1[4];
  769. };
  770. #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
  771. #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
  772. struct kvm_hyperv_eventfd {
  773. __u32 conn_id;
  774. __s32 fd;
  775. __u32 flags;
  776. __u32 padding[3];
  777. };
  778. #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
  779. #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
  780. /*
  781. * Masked event layout.
  782. * Bits Description
  783. * ---- -----------
  784. * 7:0 event select (low bits)
  785. * 15:8 umask match
  786. * 31:16 unused
  787. * 35:32 event select (high bits)
  788. * 36:54 unused
  789. * 55 exclude bit
  790. * 63:56 umask mask
  791. */
  792. #define KVM_PMU_ENCODE_MASKED_ENTRY(event_select, mask, match, exclude) \
  793. (((event_select) & 0xFFULL) | (((event_select) & 0XF00ULL) << 24) | \
  794. (((mask) & 0xFFULL) << 56) | \
  795. (((match) & 0xFFULL) << 8) | \
  796. ((__u64)(!!(exclude)) << 55))
  797. #define KVM_PMU_MASKED_ENTRY_EVENT_SELECT \
  798. (__GENMASK_ULL(7, 0) | __GENMASK_ULL(35, 32))
  799. #define KVM_PMU_MASKED_ENTRY_UMASK_MASK (__GENMASK_ULL(63, 56))
  800. #define KVM_PMU_MASKED_ENTRY_UMASK_MATCH (__GENMASK_ULL(15, 8))
  801. #define KVM_PMU_MASKED_ENTRY_EXCLUDE (_BITULL(55))
  802. #define KVM_PMU_MASKED_ENTRY_UMASK_MASK_SHIFT (56)
  803. /* for KVM_{GET,SET,HAS}_DEVICE_ATTR */
  804. #define KVM_VCPU_TSC_CTRL 0 /* control group for the timestamp counter (TSC) */
  805. #define KVM_VCPU_TSC_OFFSET 0 /* attribute for the TSC offset */
  806. /* x86-specific KVM_EXIT_HYPERCALL flags. */
  807. #define KVM_EXIT_HYPERCALL_LONG_MODE _BITULL(0)
  808. #define KVM_X86_DEFAULT_VM 0
  809. #define KVM_X86_SW_PROTECTED_VM 1
  810. #define KVM_X86_SEV_VM 2
  811. #define KVM_X86_SEV_ES_VM 3
  812. #define KVM_X86_SNP_VM 4
  813. #endif /* _ASM_X86_KVM_H */