@@ -226,7 +226,9 @@
(~((1ull << HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT) - 1))
/* Declare the various hypercall operations. */
-#define HV_X64_HV_NOTIFY_LONG_SPIN_WAIT 0x0008
+#define HVCALL_NOTIFY_LONG_SPIN_WAIT 0x0008
+#define HVCALL_POST_MESSAGE 0x005c
+#define HVCALL_SIGNAL_EVENT 0x005d
#define HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE 0x00000001
#define HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_SHIFT 12
@@ -243,6 +243,7 @@ struct input_mask {
#define BUS_GSC 0x1A
#define BUS_ATARI 0x1B
#define BUS_SPI 0x1C
+#define BUS_RMI 0x1D
/*
* MT_TOOL types
@@ -1,2 +1,3 @@
-#include <stdint.h>
-#include "qemu/compiler.h"
+/* For QEMU all types are already defined via osdep.h, so this
+ * header does not need to do anything.
+ */
@@ -51,7 +51,7 @@ struct virtio_balloon_config {
#define VIRTIO_BALLOON_S_MINFLT 3 /* Number of minor faults */
#define VIRTIO_BALLOON_S_MEMFREE 4 /* Total amount of free memory */
#define VIRTIO_BALLOON_S_MEMTOT 5 /* Total amount of memory */
-#define VIRTIO_BALLOON_S_AVAIL 6 /* Amount of available memory in guest */
+#define VIRTIO_BALLOON_S_AVAIL 6 /* Available memory as in /proc */
#define VIRTIO_BALLOON_S_NR 7
/*
@@ -43,10 +43,10 @@
#ifndef VIRTIO_BLK_NO_LEGACY
#define VIRTIO_BLK_F_BARRIER 0 /* Does host support barriers? */
#define VIRTIO_BLK_F_SCSI 7 /* Supports scsi command passthru */
-#define VIRTIO_BLK_F_WCE 9 /* Writeback mode enabled after reset */
+#define VIRTIO_BLK_F_FLUSH 9 /* Flush command supported */
#define VIRTIO_BLK_F_CONFIG_WCE 11 /* Writeback mode available in config */
-/* Old (deprecated) name for VIRTIO_BLK_F_WCE. */
-#define VIRTIO_BLK_F_FLUSH VIRTIO_BLK_F_WCE
+/* Old (deprecated) name for VIRTIO_BLK_F_FLUSH. */
+#define VIRTIO_BLK_F_WCE VIRTIO_BLK_F_FLUSH
#endif /* !VIRTIO_BLK_NO_LEGACY */
#define VIRTIO_BLK_ID_BYTES 20 /* ID string length */
@@ -94,6 +94,7 @@ struct kvm_regs {
#define KVM_ARM_VCPU_POWER_OFF 0 /* CPU is started in OFF state */
#define KVM_ARM_VCPU_EL1_32BIT 1 /* CPU running a 32bit VM */
#define KVM_ARM_VCPU_PSCI_0_2 2 /* CPU uses PSCI v0.2 */
+#define KVM_ARM_VCPU_PMU_V3 3 /* Support guest PMUv3 */
struct kvm_vcpu_init {
__u32 target;
@@ -204,6 +205,11 @@ struct kvm_arch_memory_slot {
#define KVM_DEV_ARM_VGIC_GRP_CTRL 4
#define KVM_DEV_ARM_VGIC_CTRL_INIT 0
+/* Device Control API on vcpu fd */
+#define KVM_ARM_VCPU_PMU_V3_CTRL 0
+#define KVM_ARM_VCPU_PMU_V3_IRQ 0
+#define KVM_ARM_VCPU_PMU_V3_INIT 1
+
/* KVM_IRQ_LINE irq field index values */
#define KVM_ARM_IRQ_TYPE_SHIFT 24
#define KVM_ARM_IRQ_TYPE_MASK 0xff
@@ -78,7 +78,7 @@
#define EV_SUCCESS 0
#define EV_EPERM 1 /* Operation not permitted */
#define EV_ENOENT 2 /* Entry Not Found */
-#define EV_EIO 3 /* I/O error occured */
+#define EV_EIO 3 /* I/O error occurred */
#define EV_EAGAIN 4 /* The operation had insufficient
* resources to complete and should be
* retried
@@ -89,7 +89,7 @@
#define EV_ENODEV 7 /* No such device */
#define EV_EINVAL 8 /* An argument supplied to the hcall
was out of range or invalid */
-#define EV_INTERNAL 9 /* An internal error occured */
+#define EV_INTERNAL 9 /* An internal error occurred */
#define EV_CONFIG 10 /* A configuration error was detected */
#define EV_INVALID_STATE 11 /* The object is in an invalid state */
#define EV_UNIMPLEMENTED 12 /* Unimplemented hypercall */
@@ -333,6 +333,15 @@ struct kvm_create_spapr_tce {
__u32 window_size;
};
+/* for KVM_CAP_SPAPR_TCE_64 */
+struct kvm_create_spapr_tce_64 {
+ __u64 liobn;
+ __u32 page_shift;
+ __u32 flags;
+ __u64 offset; /* in pages */
+ __u64 size; /* in pages */
+};
+
/* for KVM_ALLOCATE_RMA */
struct kvm_allocate_rma {
__u64 rma_size;
@@ -375,5 +375,7 @@
#define __NR_membarrier 375
#define __NR_mlock2 376
#define __NR_copy_file_range 377
+#define __NR_preadv2 378
+#define __NR_pwritev2 379
#endif /* _ASM_X86_UNISTD_32_H */
@@ -328,5 +328,7 @@
#define __NR_membarrier 324
#define __NR_mlock2 325
#define __NR_copy_file_range 326
+#define __NR_preadv2 327
+#define __NR_pwritev2 328
#endif /* _ASM_X86_UNISTD_64_H */
@@ -157,6 +157,7 @@ struct kvm_s390_skeys {
struct kvm_hyperv_exit {
#define KVM_EXIT_HYPERV_SYNIC 1
+#define KVM_EXIT_HYPERV_HCALL 2
__u32 type;
union {
struct {
@@ -165,6 +166,11 @@ struct kvm_hyperv_exit {
__u64 evt_page;
__u64 msg_page;
} synic;
+ struct {
+ __u64 input;
+ __u64 result;
+ __u64 params[2];
+ } hcall;
} u;
};
@@ -856,6 +862,9 @@ struct kvm_ppc_smmu_info {
#define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
#define KVM_CAP_HYPERV_SYNIC 123
#define KVM_CAP_S390_RI 124
+#define KVM_CAP_SPAPR_TCE_64 125
+#define KVM_CAP_ARM_PMU_V3 126
+#define KVM_CAP_VCPU_ATTRIBUTES 127
#ifdef KVM_CAP_IRQ_ROUTING
@@ -1148,6 +1157,8 @@ struct kvm_s390_ucas_mapping {
/* Available with KVM_CAP_PPC_ALLOC_HTAB */
#define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
#define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
+#define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
+ struct kvm_create_spapr_tce_64)
/* Available with KVM_CAP_RMA */
#define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
/* Available with KVM_CAP_PPC_HTAB_FD */
@@ -78,7 +78,7 @@ struct uffd_msg {
__u64 reserved3;
} reserved;
} arg;
-} __packed;
+} __attribute__((packed));
/*
* Start at 0x12 and not at 0 to be more strict against bugs.
@@ -59,6 +59,33 @@
#define VFIO_TYPE (';')
#define VFIO_BASE 100
+/*
+ * For extension of INFO ioctls, VFIO makes use of a capability chain
+ * designed after PCI/e capabilities. A flag bit indicates whether
+ * this capability chain is supported and a field defined in the fixed
+ * structure defines the offset of the first capability in the chain.
+ * This field is only valid when the corresponding bit in the flags
+ * bitmap is set. This offset field is relative to the start of the
+ * INFO buffer, as is the next field within each capability header.
+ * The id within the header is a shared address space per INFO ioctl,
+ * while the version field is specific to the capability id. The
+ * contents following the header are specific to the capability id.
+ */
+struct vfio_info_cap_header {
+ __u16 id; /* Identifies capability */
+ __u16 version; /* Version specific to the capability ID */
+ __u32 next; /* Offset of next capability */
+};
+
+/*
+ * Callers of INFO ioctls passing insufficiently sized buffers will see
+ * the capability chain flag bit set, a zero value for the first capability
+ * offset (if available within the provided argsz), and argsz will be
+ * updated to report the necessary buffer size. For compatibility, the
+ * INFO ioctl will not report error in this case, but the capability chain
+ * will not be available.
+ */
+
/* -------- IOCTLs for VFIO file descriptor (/dev/vfio/vfio) -------- */
/**
@@ -194,13 +221,73 @@ struct vfio_region_info {
#define VFIO_REGION_INFO_FLAG_READ (1 << 0) /* Region supports read */
#define VFIO_REGION_INFO_FLAG_WRITE (1 << 1) /* Region supports write */
#define VFIO_REGION_INFO_FLAG_MMAP (1 << 2) /* Region supports mmap */
+#define VFIO_REGION_INFO_FLAG_CAPS (1 << 3) /* Info supports caps */
__u32 index; /* Region index */
- __u32 resv; /* Reserved for alignment */
+ __u32 cap_offset; /* Offset within info struct of first cap */
__u64 size; /* Region size (bytes) */
__u64 offset; /* Region offset from start of device fd */
};
#define VFIO_DEVICE_GET_REGION_INFO _IO(VFIO_TYPE, VFIO_BASE + 8)
+/*
+ * The sparse mmap capability allows finer granularity of specifying areas
+ * within a region with mmap support. When specified, the user should only
+ * mmap the offset ranges specified by the areas array. mmaps outside of the
+ * areas specified may fail (such as the range covering a PCI MSI-X table) or
+ * may result in improper device behavior.
+ *
+ * The structures below define version 1 of this capability.
+ */
+#define VFIO_REGION_INFO_CAP_SPARSE_MMAP 1
+
+struct vfio_region_sparse_mmap_area {
+ __u64 offset; /* Offset of mmap'able area within region */
+ __u64 size; /* Size of mmap'able area */
+};
+
+struct vfio_region_info_cap_sparse_mmap {
+ struct vfio_info_cap_header header;
+ __u32 nr_areas;
+ __u32 reserved;
+ struct vfio_region_sparse_mmap_area areas[];
+};
+
+/*
+ * The device specific type capability allows regions unique to a specific
+ * device or class of devices to be exposed. This helps solve the problem for
+ * vfio bus drivers of defining which region indexes correspond to which region
+ * on the device, without needing to resort to static indexes, as done by
+ * vfio-pci. For instance, if we were to go back in time, we might remove
+ * VFIO_PCI_VGA_REGION_INDEX and let vfio-pci simply define that all indexes
+ * greater than or equal to VFIO_PCI_NUM_REGIONS are device specific and we'd
+ * make a "VGA" device specific type to describe the VGA access space. This
+ * means that non-VGA devices wouldn't need to waste this index, and thus the
+ * address space associated with it due to implementation of device file
+ * descriptor offsets in vfio-pci.
+ *
+ * The current implementation is now part of the user ABI, so we can't use this
+ * for VGA, but there are other upcoming use cases, such as opregions for Intel
+ * IGD devices and framebuffers for vGPU devices. We missed VGA, but we'll
+ * use this for future additions.
+ *
+ * The structure below defines version 1 of this capability.
+ */
+#define VFIO_REGION_INFO_CAP_TYPE 2
+
+struct vfio_region_info_cap_type {
+ struct vfio_info_cap_header header;
+ __u32 type; /* global per bus driver */
+ __u32 subtype; /* type specific */
+};
+
+#define VFIO_REGION_TYPE_PCI_VENDOR_TYPE (1 << 31)
+#define VFIO_REGION_TYPE_PCI_VENDOR_MASK (0xffff)
+
+/* 8086 Vendor sub-types */
+#define VFIO_REGION_SUBTYPE_INTEL_IGD_OPREGION (1)
+#define VFIO_REGION_SUBTYPE_INTEL_IGD_HOST_CFG (2)
+#define VFIO_REGION_SUBTYPE_INTEL_IGD_LPC_CFG (3)
+
/**
* VFIO_DEVICE_GET_IRQ_INFO - _IOWR(VFIO_TYPE, VFIO_BASE + 9,
* struct vfio_irq_info)
@@ -336,7 +423,8 @@ enum {
* between described ranges are unimplemented.
*/
VFIO_PCI_VGA_REGION_INDEX,
- VFIO_PCI_NUM_REGIONS
+ VFIO_PCI_NUM_REGIONS = 9 /* Fixed user ABI, region indexes >=9 use */
+ /* device specific cap to define content. */
};
enum {
@@ -126,6 +126,12 @@ struct vhost_memory {
#define VHOST_SET_VRING_CALL _IOW(VHOST_VIRTIO, 0x21, struct vhost_vring_file)
/* Set eventfd to signal an error */
#define VHOST_SET_VRING_ERR _IOW(VHOST_VIRTIO, 0x22, struct vhost_vring_file)
+/* Set busy loop timeout (in us) */
+#define VHOST_SET_VRING_BUSYLOOP_TIMEOUT _IOW(VHOST_VIRTIO, 0x23, \
+ struct vhost_vring_state)
+/* Get busy loop timeout (in us) */
+#define VHOST_GET_VRING_BUSYLOOP_TIMEOUT _IOW(VHOST_VIRTIO, 0x24, \
+ struct vhost_vring_state)
/* VHOST_NET specific defines */
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- include/standard-headers/asm-x86/hyperv.h | 4 +- include/standard-headers/linux/input.h | 1 + include/standard-headers/linux/types.h | 5 +- include/standard-headers/linux/virtio_balloon.h | 2 +- include/standard-headers/linux/virtio_blk.h | 6 +- linux-headers/asm-arm64/kvm.h | 6 ++ linux-headers/asm-powerpc/epapr_hcalls.h | 4 +- linux-headers/asm-powerpc/kvm.h | 9 +++ linux-headers/asm-x86/unistd_32.h | 2 + linux-headers/asm-x86/unistd_64.h | 2 + linux-headers/linux/kvm.h | 11 +++ linux-headers/linux/userfaultfd.h | 2 +- linux-headers/linux/vfio.h | 92 ++++++++++++++++++++++++- linux-headers/linux/vhost.h | 6 ++ 14 files changed, 140 insertions(+), 12 deletions(-)