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2024-05-14 bedbef8ad3e75a304af6361af235302bcc61d06b 
 kernel/include/uapi/linux/kvm.h
....@@ -116,7 +116,7 @@
116116 	 * ACPI gsi notion of irq.
117117 	 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
118118 	 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
119
-	 * For ARM: See Documentation/virtual/kvm/api.txt
119
+	 * For ARM: See Documentation/virt/kvm/api.rst
120120 	 */
121121 	union {
122122 		__u32 irq;
....@@ -188,6 +188,7 @@
188188 struct kvm_hyperv_exit {
189189 #define KVM_EXIT_HYPERV_SYNIC          1
190190 #define KVM_EXIT_HYPERV_HCALL          2
191
+#define KVM_EXIT_HYPERV_SYNDBG         3
191192 	__u32 type;
192193 	__u32 pad1;
193194 	union {
....@@ -203,6 +204,15 @@
203204 			__u64 result;
204205 			__u64 params[2];
205206 		} hcall;
207
+		struct {
208
+			__u32 msr;
209
+			__u32 pad2;
210
+			__u64 control;
211
+			__u64 status;
212
+			__u64 send_page;
213
+			__u64 recv_page;
214
+			__u64 pending_page;
215
+		} syndbg;
206216 	} u;
207217 };
208218 
....@@ -237,6 +247,9 @@
237247 #define KVM_EXIT_S390_STSI        25
238248 #define KVM_EXIT_IOAPIC_EOI       26
239249 #define KVM_EXIT_HYPERV           27
250
+#define KVM_EXIT_ARM_NISV         28
251
+#define KVM_EXIT_X86_RDMSR        29
252
+#define KVM_EXIT_X86_WRMSR        30
240253 
241254 /* For KVM_EXIT_INTERNAL_ERROR */
242255 /* Emulate instruction failed. */
....@@ -245,6 +258,8 @@
245258 #define KVM_INTERNAL_ERROR_SIMUL_EX	2
246259 /* Encounter unexpected vm-exit due to delivery event. */
247260 #define KVM_INTERNAL_ERROR_DELIVERY_EV	3
261
+/* Encounter unexpected vm-exit reason */
262
+#define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON	4
248263 
249264 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
250265 struct kvm_run {
....@@ -276,6 +291,7 @@
276291 		/* KVM_EXIT_FAIL_ENTRY */
277292 		struct {
278293 			__u64 hardware_entry_failure_reason;
294
+			__u32 cpu;
279295 		} fail_entry;
280296 		/* KVM_EXIT_EXCEPTION */
281297 		struct {
....@@ -394,6 +410,22 @@
394410 		} eoi;
395411 		/* KVM_EXIT_HYPERV */
396412 		struct kvm_hyperv_exit hyperv;
413
+		/* KVM_EXIT_ARM_NISV */
414
+		struct {
415
+			__u64 esr_iss;
416
+			__u64 fault_ipa;
417
+		} arm_nisv;
418
+		/* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
419
+		struct {
420
+			__u8 error; /* user -> kernel */
421
+			__u8 pad[7];
422
+#define KVM_MSR_EXIT_REASON_INVAL	(1 << 0)
423
+#define KVM_MSR_EXIT_REASON_UNKNOWN	(1 << 1)
424
+#define KVM_MSR_EXIT_REASON_FILTER	(1 << 2)
425
+			__u32 reason; /* kernel -> user */
426
+			__u32 index; /* kernel -> user */
427
+			__u64 data; /* kernel <-> user */
428
+		} msr;
397429 		/* Fix the size of the union. */
398430 		char padding[256];
399431 	};
....@@ -422,13 +454,19 @@
422454 struct kvm_coalesced_mmio_zone {
423455 	__u64 addr;
424456 	__u32 size;
425
-	__u32 pad;
457
+	union {
458
+		__u32 pad;
459
+		__u32 pio;
460
+	};
426461 };
427462 
428463 struct kvm_coalesced_mmio {
429464 	__u64 phys_addr;
430465 	__u32 len;
431
-	__u32 pad;
466
+	union {
467
+		__u32 pad;
468
+		__u32 pio;
469
+	};
432470 	__u8  data[8];
433471 };
434472 
....@@ -462,12 +500,17 @@
462500 	__u32 size;		/* amount of bytes */
463501 	__u32 op;		/* type of operation */
464502 	__u64 buf;		/* buffer in userspace */
465
-	__u8 ar;		/* the access register number */
466
-	__u8 reserved[31];	/* should be set to 0 */
503
+	union {
504
+		__u8 ar;	/* the access register number */
505
+		__u32 sida_offset; /* offset into the sida */
506
+		__u8 reserved[32]; /* should be set to 0 */
507
+	};
467508 };
468509 /* types for kvm_s390_mem_op->op */
469510 #define KVM_S390_MEMOP_LOGICAL_READ	0
470511 #define KVM_S390_MEMOP_LOGICAL_WRITE	1
512
+#define KVM_S390_MEMOP_SIDA_READ	2
513
+#define KVM_S390_MEMOP_SIDA_WRITE	3
471514 /* flags for kvm_s390_mem_op->flags */
472515 #define KVM_S390_MEMOP_F_CHECK_ONLY		(1ULL << 0)
473516 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION	(1ULL << 1)
....@@ -482,6 +525,17 @@
482525 struct kvm_dirty_log {
483526 	__u32 slot;
484527 	__u32 padding1;
528
+	union {
529
+		void __user *dirty_bitmap; /* one bit per page */
530
+		__u64 padding2;
531
+	};
532
+};
533
+
534
+/* for KVM_CLEAR_DIRTY_LOG */
535
+struct kvm_clear_dirty_log {
536
+	__u32 slot;
537
+	__u32 num_pages;
538
+	__u64 first_page;
485539 	union {
486540 		void __user *dirty_bitmap; /* one bit per page */
487541 		__u64 padding2;
....@@ -681,9 +735,11 @@
681735 #define KVM_X86_DISABLE_EXITS_MWAIT          (1 << 0)
682736 #define KVM_X86_DISABLE_EXITS_HLT            (1 << 1)
683737 #define KVM_X86_DISABLE_EXITS_PAUSE          (1 << 2)
738
+#define KVM_X86_DISABLE_EXITS_CSTATE         (1 << 3)
684739 #define KVM_X86_DISABLE_VALID_EXITS          (KVM_X86_DISABLE_EXITS_MWAIT | \
685740                                               KVM_X86_DISABLE_EXITS_HLT | \
686
-                                              KVM_X86_DISABLE_EXITS_PAUSE)
741
+                                              KVM_X86_DISABLE_EXITS_PAUSE | \
742
+                                              KVM_X86_DISABLE_EXITS_CSTATE)
687743 
688744 /* for KVM_ENABLE_CAP */
689745 struct kvm_enable_cap {
....@@ -721,6 +777,7 @@
721777 
722778 #define KVM_PPC_PAGE_SIZES_REAL		0x00000001
723779 #define KVM_PPC_1T_SEGMENTS		0x00000002
780
+#define KVM_PPC_NO_HASH			0x00000004
724781 
725782 struct kvm_ppc_smmu_info {
726783 	__u64 flags;
....@@ -753,6 +810,15 @@
753810 
754811 #define KVM_S390_SIE_PAGE_OFFSET 1
755812 
813
+/*
814
+ * On arm64, machine type can be used to request the physical
815
+ * address size for the VM. Bits[7-0] are reserved for the guest
816
+ * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
817
+ * value 0 implies the default IPA size, 40bits.
818
+ */
819
+#define KVM_VM_TYPE_ARM_IPA_SIZE_MASK	0xffULL
820
+#define KVM_VM_TYPE_ARM_IPA_SIZE(x)		\
821
+	((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
756822 /*
757823  * ioctls for /dev/kvm fds:
758824  */
....@@ -956,6 +1022,37 @@
9561022 #define KVM_CAP_NESTED_STATE 157
9571023 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
9581024 #define KVM_CAP_MSR_PLATFORM_INFO 159
1025
+#define KVM_CAP_PPC_NESTED_HV 160
1026
+#define KVM_CAP_HYPERV_SEND_IPI 161
1027
+#define KVM_CAP_COALESCED_PIO 162
1028
+#define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1029
+#define KVM_CAP_EXCEPTION_PAYLOAD 164
1030
+#define KVM_CAP_ARM_VM_IPA_SIZE 165
1031
+#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1032
+#define KVM_CAP_HYPERV_CPUID 167
1033
+#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1034
+#define KVM_CAP_PPC_IRQ_XIVE 169
1035
+#define KVM_CAP_ARM_SVE 170
1036
+#define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1037
+#define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1038
+#define KVM_CAP_PMU_EVENT_FILTER 173
1039
+#define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1040
+#define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1041
+#define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1042
+#define KVM_CAP_ARM_NISV_TO_USER 177
1043
+#define KVM_CAP_ARM_INJECT_EXT_DABT 178
1044
+#define KVM_CAP_S390_VCPU_RESETS 179
1045
+#define KVM_CAP_S390_PROTECTED 180
1046
+#define KVM_CAP_PPC_SECURE_GUEST 181
1047
+#define KVM_CAP_HALT_POLL 182
1048
+#define KVM_CAP_ASYNC_PF_INT 183
1049
+#define KVM_CAP_LAST_CPU 184
1050
+#define KVM_CAP_SMALLER_MAXPHYADDR 185
1051
+#define KVM_CAP_S390_DIAG318 186
1052
+#define KVM_CAP_STEAL_TIME 187
1053
+#define KVM_CAP_X86_USER_SPACE_MSR 188
1054
+#define KVM_CAP_X86_MSR_FILTER 189
1055
+#define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
9591056 
9601057 #ifdef KVM_CAP_IRQ_ROUTING
9611058 
....@@ -1046,7 +1143,7 @@
10461143  *
10471144  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
10481145  * the irqfd to operate in resampling mode for level triggered interrupt
1049
- * emulation.  See Documentation/virtual/kvm/api.txt.
1146
+ * emulation.  See Documentation/virt/kvm/api.rst.
10501147  */
10511148 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
10521149 
....@@ -1102,6 +1199,7 @@
11021199 #define KVM_REG_S390		0x5000000000000000ULL
11031200 #define KVM_REG_ARM64		0x6000000000000000ULL
11041201 #define KVM_REG_MIPS		0x7000000000000000ULL
1202
+#define KVM_REG_RISCV		0x8000000000000000ULL
11051203 
11061204 #define KVM_REG_SIZE_SHIFT	52
11071205 #define KVM_REG_SIZE_MASK	0x00f0000000000000ULL
....@@ -1113,6 +1211,7 @@
11131211 #define KVM_REG_SIZE_U256	0x0050000000000000ULL
11141212 #define KVM_REG_SIZE_U512	0x0060000000000000ULL
11151213 #define KVM_REG_SIZE_U1024	0x0070000000000000ULL
1214
+#define KVM_REG_SIZE_U2048	0x0080000000000000ULL
11161215 
11171216 struct kvm_reg_list {
11181217 	__u64 n; /* number of regs */
....@@ -1179,6 +1278,10 @@
11791278 #define KVM_DEV_TYPE_ARM_VGIC_V3	KVM_DEV_TYPE_ARM_VGIC_V3
11801279 	KVM_DEV_TYPE_ARM_VGIC_ITS,
11811280 #define KVM_DEV_TYPE_ARM_VGIC_ITS	KVM_DEV_TYPE_ARM_VGIC_ITS
1281
+	KVM_DEV_TYPE_XIVE,
1282
+#define KVM_DEV_TYPE_XIVE		KVM_DEV_TYPE_XIVE
1283
+	KVM_DEV_TYPE_ARM_PV_TIME,
1284
+#define KVM_DEV_TYPE_ARM_PV_TIME	KVM_DEV_TYPE_ARM_PV_TIME
11821285 	KVM_DEV_TYPE_MAX,
11831286 };
11841287 
....@@ -1287,6 +1390,9 @@
12871390 #define KVM_PPC_GET_RMMU_INFO	  _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
12881391 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
12891392 #define KVM_PPC_GET_CPU_CHAR	  _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
1393
+/* Available with KVM_CAP_PMU_EVENT_FILTER */
1394
+#define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
1395
+#define KVM_PPC_SVM_OFF		  _IO(KVMIO,  0xb3)
12901396 
12911397 /* ioctl for vm fd */
12921398 #define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct kvm_create_device)
....@@ -1401,6 +1507,55 @@
14011507 /* Available with KVM_CAP_NESTED_STATE */
14021508 #define KVM_GET_NESTED_STATE         _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
14031509 #define KVM_SET_NESTED_STATE         _IOW(KVMIO,  0xbf, struct kvm_nested_state)
1510
+
1511
+/* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1512
+#define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1513
+
1514
+/* Available with KVM_CAP_HYPERV_CPUID */
1515
+#define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1516
+
1517
+/* Available with KVM_CAP_ARM_SVE */
1518
+#define KVM_ARM_VCPU_FINALIZE	  _IOW(KVMIO,  0xc2, int)
1519
+
1520
+/* Available with  KVM_CAP_S390_VCPU_RESETS */
1521
+#define KVM_S390_NORMAL_RESET	_IO(KVMIO,   0xc3)
1522
+#define KVM_S390_CLEAR_RESET	_IO(KVMIO,   0xc4)
1523
+
1524
+struct kvm_s390_pv_sec_parm {
1525
+	__u64 origin;
1526
+	__u64 length;
1527
+};
1528
+
1529
+struct kvm_s390_pv_unp {
1530
+	__u64 addr;
1531
+	__u64 size;
1532
+	__u64 tweak;
1533
+};
1534
+
1535
+enum pv_cmd_id {
1536
+	KVM_PV_ENABLE,
1537
+	KVM_PV_DISABLE,
1538
+	KVM_PV_SET_SEC_PARMS,
1539
+	KVM_PV_UNPACK,
1540
+	KVM_PV_VERIFY,
1541
+	KVM_PV_PREP_RESET,
1542
+	KVM_PV_UNSHARE_ALL,
1543
+};
1544
+
1545
+struct kvm_pv_cmd {
1546
+	__u32 cmd;	/* Command to be executed */
1547
+	__u16 rc;	/* Ultravisor return code */
1548
+	__u16 rrc;	/* Ultravisor return reason code */
1549
+	__u64 data;	/* Data or address */
1550
+	__u32 flags;    /* flags for future extensions. Must be 0 for now */
1551
+	__u32 reserved[3];
1552
+};
1553
+
1554
+/* Available with KVM_CAP_S390_PROTECTED */
1555
+#define KVM_S390_PV_COMMAND		_IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1556
+
1557
+/* Available with KVM_CAP_X86_MSR_FILTER */
1558
+#define KVM_X86_SET_MSR_FILTER	_IOW(KVMIO,  0xc6, struct kvm_msr_filter)
14041559 
14051560 /* Secure Encrypted Virtualization command */
14061561 enum sev_cmd_id {
....@@ -1552,4 +1707,7 @@
15521707 #define KVM_HYPERV_CONN_ID_MASK		0x00ffffff
15531708 #define KVM_HYPERV_EVENTFD_DEASSIGN	(1 << 0)
15541709 
1710
+#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE    (1 << 0)
1711
+#define KVM_DIRTY_LOG_INITIALLY_SET            (1 << 1)
1712
+
15551713 #endif /* __LINUX_KVM_H */