linux-headers/linux/kvm.h

1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
6  * Userspace interface for /dev/kvm - kernel based virtual machine
20  * Backwards-compatible definitions.
59 	 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
60 	 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
187 /* Encounter unexpected vm-exit due to delivery event. */
189 /* Encounter unexpected vm-exit reason */
192 /* Flags that describe what fields in emulation_failure hold valid data. */
289 			__u16 ipa;  member
316 		 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
318 		 * sub-types, this struct is ABI!  It also needs to be backwards
321 		 * and that each flag enumerates fields that are 64-bit aligned
322 		 * and sized (so that ndata+internal.data[] is valid/accurate).
401 			__u8 error; /* user -> kernel */
409 			__u32 reason; /* kernel -> user */
410 			__u32 index; /* kernel -> user */
411 			__u64 data; /* kernel <-> user */
491 	((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
501 	__u8  valid;  member
542 	__u32 enabled;  member
554 /* not all states are valid on all architectures */
597 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
644  * address size for the VM. Bits[7-0] are reserved for the guest
646  * value 0 implies the default IPA size, 40bits.
963 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
997  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1019 	__u64 clock;  member
1113 	__u32	group;		/* device-defined */
1114 	__u64	attr;		/* group-defined */
1278 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1281 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
1282 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
1380 /* Per-VM Xen attributes */
1384 /* Per-vCPU Xen attributes */
1409  * |---------------+---------------+--------------|
1411  * |---------------+---------------+--------------|
1415  * |---------------+---------------+--------------|
1420  * 00 -----------> 01 -------------> 1X -------+
1423  *  +------------------------------------------+
1425  * The userspace program is only responsible for the 01->1X state
1435  * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn.  The
1451  * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
1503  * struct kvm_stats_desc - Descriptor of a KVM statistics.
1513  *        &kvm_stats_header->name_size.