kvm.h 6.1 KB

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  1. #ifndef _ASM_X86_KVM_H
  2. #define _ASM_X86_KVM_H
  3. /*
  4. * KVM x86 specific structures and definitions
  5. *
  6. */
  7. #include <linux/types.h>
  8. #include <linux/ioctl.h>
  9. /* Select x86 specific features in <linux/kvm.h> */
  10. #define __KVM_HAVE_PIT
  11. #define __KVM_HAVE_IOAPIC
  12. #define __KVM_HAVE_DEVICE_ASSIGNMENT
  13. #define __KVM_HAVE_MSI
  14. #define __KVM_HAVE_USER_NMI
  15. #define __KVM_HAVE_GUEST_DEBUG
  16. #define __KVM_HAVE_MSIX
  17. #define __KVM_HAVE_MCE
  18. #define __KVM_HAVE_PIT_STATE2
  19. #define __KVM_HAVE_XEN_HVM
  20. #define __KVM_HAVE_VCPU_EVENTS
  21. #define __KVM_HAVE_DEBUGREGS
  22. #define __KVM_HAVE_XSAVE
  23. #define __KVM_HAVE_XCRS
  24. /* Architectural interrupt line count. */
  25. #define KVM_NR_INTERRUPTS 256
  26. struct kvm_memory_alias {
  27. __u32 slot; /* this has a different namespace than memory slots */
  28. __u32 flags;
  29. __u64 guest_phys_addr;
  30. __u64 memory_size;
  31. __u64 target_phys_addr;
  32. };
  33. /* for KVM_GET_IRQCHIP and KVM_SET_IRQCHIP */
  34. struct kvm_pic_state {
  35. __u8 last_irr; /* edge detection */
  36. __u8 irr; /* interrupt request register */
  37. __u8 imr; /* interrupt mask register */
  38. __u8 isr; /* interrupt service register */
  39. __u8 priority_add; /* highest irq priority */
  40. __u8 irq_base;
  41. __u8 read_reg_select;
  42. __u8 poll;
  43. __u8 special_mask;
  44. __u8 init_state;
  45. __u8 auto_eoi;
  46. __u8 rotate_on_auto_eoi;
  47. __u8 special_fully_nested_mode;
  48. __u8 init4; /* true if 4 byte init */
  49. __u8 elcr; /* PIIX edge/trigger selection */
  50. __u8 elcr_mask;
  51. };
  52. #define KVM_IOAPIC_NUM_PINS 24
  53. struct kvm_ioapic_state {
  54. __u64 base_address;
  55. __u32 ioregsel;
  56. __u32 id;
  57. __u32 irr;
  58. __u32 pad;
  59. union {
  60. __u64 bits;
  61. struct {
  62. __u8 vector;
  63. __u8 delivery_mode:3;
  64. __u8 dest_mode:1;
  65. __u8 delivery_status:1;
  66. __u8 polarity:1;
  67. __u8 remote_irr:1;
  68. __u8 trig_mode:1;
  69. __u8 mask:1;
  70. __u8 reserve:7;
  71. __u8 reserved[4];
  72. __u8 dest_id;
  73. } fields;
  74. } redirtbl[KVM_IOAPIC_NUM_PINS];
  75. };
  76. #define KVM_IRQCHIP_PIC_MASTER 0
  77. #define KVM_IRQCHIP_PIC_SLAVE 1
  78. #define KVM_IRQCHIP_IOAPIC 2
  79. #define KVM_NR_IRQCHIPS 3
  80. /* for KVM_GET_REGS and KVM_SET_REGS */
  81. struct kvm_regs {
  82. /* out (KVM_GET_REGS) / in (KVM_SET_REGS) */
  83. __u64 rax, rbx, rcx, rdx;
  84. __u64 rsi, rdi, rsp, rbp;
  85. __u64 r8, r9, r10, r11;
  86. __u64 r12, r13, r14, r15;
  87. __u64 rip, rflags;
  88. };
  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];
  93. };
  94. struct kvm_segment {
  95. __u64 base;
  96. __u32 limit;
  97. __u16 selector;
  98. __u8 type;
  99. __u8 present, dpl, db, s, l, g, avl;
  100. __u8 unusable;
  101. __u8 padding;
  102. };
  103. struct kvm_dtable {
  104. __u64 base;
  105. __u16 limit;
  106. __u16 padding[3];
  107. };
  108. /* for KVM_GET_SREGS and KVM_SET_SREGS */
  109. struct kvm_sregs {
  110. /* out (KVM_GET_SREGS) / in (KVM_SET_SREGS) */
  111. struct kvm_segment cs, ds, es, fs, gs, ss;
  112. struct kvm_segment tr, ldt;
  113. struct kvm_dtable gdt, idt;
  114. __u64 cr0, cr2, cr3, cr4, cr8;
  115. __u64 efer;
  116. __u64 apic_base;
  117. __u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
  118. };
  119. /* for KVM_GET_FPU and KVM_SET_FPU */
  120. struct kvm_fpu {
  121. __u8 fpr[8][16];
  122. __u16 fcw;
  123. __u16 fsw;
  124. __u8 ftwx; /* in fxsave format */
  125. __u8 pad1;
  126. __u16 last_opcode;
  127. __u64 last_ip;
  128. __u64 last_dp;
  129. __u8 xmm[16][16];
  130. __u32 mxcsr;
  131. __u32 pad2;
  132. };
  133. struct kvm_msr_entry {
  134. __u32 index;
  135. __u32 reserved;
  136. __u64 data;
  137. };
  138. /* for KVM_GET_MSRS and KVM_SET_MSRS */
  139. struct kvm_msrs {
  140. __u32 nmsrs; /* number of msrs in entries */
  141. __u32 pad;
  142. struct kvm_msr_entry entries[0];
  143. };
  144. /* for KVM_GET_MSR_INDEX_LIST */
  145. struct kvm_msr_list {
  146. __u32 nmsrs; /* number of msrs in entries */
  147. __u32 indices[0];
  148. };
  149. struct kvm_cpuid_entry {
  150. __u32 function;
  151. __u32 eax;
  152. __u32 ebx;
  153. __u32 ecx;
  154. __u32 edx;
  155. __u32 padding;
  156. };
  157. /* for KVM_SET_CPUID */
  158. struct kvm_cpuid {
  159. __u32 nent;
  160. __u32 padding;
  161. struct kvm_cpuid_entry entries[0];
  162. };
  163. struct kvm_cpuid_entry2 {
  164. __u32 function;
  165. __u32 index;
  166. __u32 flags;
  167. __u32 eax;
  168. __u32 ebx;
  169. __u32 ecx;
  170. __u32 edx;
  171. __u32 padding[3];
  172. };
  173. #define KVM_CPUID_FLAG_SIGNIFCANT_INDEX 1
  174. #define KVM_CPUID_FLAG_STATEFUL_FUNC 2
  175. #define KVM_CPUID_FLAG_STATE_READ_NEXT 4
  176. /* for KVM_SET_CPUID2 */
  177. struct kvm_cpuid2 {
  178. __u32 nent;
  179. __u32 padding;
  180. struct kvm_cpuid_entry2 entries[0];
  181. };
  182. /* for KVM_GET_PIT and KVM_SET_PIT */
  183. struct kvm_pit_channel_state {
  184. __u32 count; /* can be 65536 */
  185. __u16 latched_count;
  186. __u8 count_latched;
  187. __u8 status_latched;
  188. __u8 status;
  189. __u8 read_state;
  190. __u8 write_state;
  191. __u8 write_latch;
  192. __u8 rw_mode;
  193. __u8 mode;
  194. __u8 bcd;
  195. __u8 gate;
  196. __s64 count_load_time;
  197. };
  198. struct kvm_debug_exit_arch {
  199. __u32 exception;
  200. __u32 pad;
  201. __u64 pc;
  202. __u64 dr6;
  203. __u64 dr7;
  204. };
  205. #define KVM_GUESTDBG_USE_SW_BP 0x00010000
  206. #define KVM_GUESTDBG_USE_HW_BP 0x00020000
  207. #define KVM_GUESTDBG_INJECT_DB 0x00040000
  208. #define KVM_GUESTDBG_INJECT_BP 0x00080000
  209. /* for KVM_SET_GUEST_DEBUG */
  210. struct kvm_guest_debug_arch {
  211. __u64 debugreg[8];
  212. };
  213. struct kvm_pit_state {
  214. struct kvm_pit_channel_state channels[3];
  215. };
  216. #define KVM_PIT_FLAGS_HPET_LEGACY 0x00000001
  217. struct kvm_pit_state2 {
  218. struct kvm_pit_channel_state channels[3];
  219. __u32 flags;
  220. __u32 reserved[9];
  221. };
  222. struct kvm_reinject_control {
  223. __u8 pit_reinject;
  224. __u8 reserved[31];
  225. };
  226. /* When set in flags, include corresponding fields on KVM_SET_VCPU_EVENTS */
  227. #define KVM_VCPUEVENT_VALID_NMI_PENDING 0x00000001
  228. #define KVM_VCPUEVENT_VALID_SIPI_VECTOR 0x00000002
  229. #define KVM_VCPUEVENT_VALID_SHADOW 0x00000004
  230. /* Interrupt shadow states */
  231. #define KVM_X86_SHADOW_INT_MOV_SS 0x01
  232. #define KVM_X86_SHADOW_INT_STI 0x02
  233. /* for KVM_GET/SET_VCPU_EVENTS */
  234. struct kvm_vcpu_events {
  235. struct {
  236. __u8 injected;
  237. __u8 nr;
  238. __u8 has_error_code;
  239. __u8 pad;
  240. __u32 error_code;
  241. } exception;
  242. struct {
  243. __u8 injected;
  244. __u8 nr;
  245. __u8 soft;
  246. __u8 shadow;
  247. } interrupt;
  248. struct {
  249. __u8 injected;
  250. __u8 pending;
  251. __u8 masked;
  252. __u8 pad;
  253. } nmi;
  254. __u32 sipi_vector;
  255. __u32 flags;
  256. __u32 reserved[10];
  257. };
  258. /* for KVM_GET/SET_DEBUGREGS */
  259. struct kvm_debugregs {
  260. __u64 db[4];
  261. __u64 dr6;
  262. __u64 dr7;
  263. __u64 flags;
  264. __u64 reserved[9];
  265. };
  266. /* for KVM_CAP_XSAVE */
  267. struct kvm_xsave {
  268. __u32 region[1024];
  269. };
  270. #define KVM_MAX_XCRS 16
  271. struct kvm_xcr {
  272. __u32 xcr;
  273. __u32 reserved;
  274. __u64 value;
  275. };
  276. struct kvm_xcrs {
  277. __u32 nr_xcrs;
  278. __u32 flags;
  279. struct kvm_xcr xcrs[KVM_MAX_XCRS];
  280. __u64 padding[16];
  281. };
  282. /* definition of registers in kvm_run */
  283. struct kvm_sync_regs {
  284. };
  285. #endif /* _ASM_X86_KVM_H */