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 */
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
402 			__u8 error; /* user -> kernel */
410 			__u32 reason; /* kernel -> user */
411 			__u32 index; /* kernel -> user */
412 			__u64 data; /* kernel <-> user */
492 	((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
598 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
641  * address size for the VM. Bits[7-0] are reserved for the guest
961 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
1115 	__u32	group;		/* device-defined */
1116 	__u64	attr;		/* group-defined */
1125 /* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */
1291 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
1292 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
1390 /* Per-VM Xen attributes */
1394 /* Per-vCPU Xen attributes */
1419  * |---------------+---------------+--------------|
1421  * |---------------+---------------+--------------|
1425  * |---------------+---------------+--------------|
1430  * 00 -----------> 01 -------------> 1X -------+
1433  *  +------------------------------------------+
1435  * The userspace program is only responsible for the 01->1X state
1445  * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn.  The
1461  * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
1462  * @flags: Some extra information for header, always 0 for now.
1474  * This is the header userspace needs to read from stats fd before any other
1477  * Userspace reads this header from the start of the vm/vcpu's stats fd.
1513  * struct kvm_stats_desc - Descriptor of a KVM statistics.
1523  *        &kvm_stats_header->name_size.