FreeBSD/Linux Kernel Cross Reference
sys/contrib/xen/domctl.h

     /******************************************************************************
      * domctl.h
      *
      * Domain management operations. For use by node control stack.
      *
      * Permission is hereby granted, free of charge, to any person obtaining a copy
      * of this software and associated documentation files (the "Software"), to
      * deal in the Software without restriction, including without limitation the
      * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
     * sell copies of the Software, and to permit persons to whom the Software is
     * furnished to do so, subject to the following conditions:
     *
     * The above copyright notice and this permission notice shall be included in
     * all copies or substantial portions of the Software.
     *
     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     * DEALINGS IN THE SOFTWARE.
     *
     * Copyright (c) 2002-2003, B Dragovic
     * Copyright (c) 2002-2006, K Fraser
     */
    
    #ifndef __XEN_PUBLIC_DOMCTL_H__
    #define __XEN_PUBLIC_DOMCTL_H__
    
    #if !defined(__XEN__) && !defined(__XEN_TOOLS__)
    #error "domctl operations are intended for use by node control tools only"
    #endif
    
    #include "xen.h"
    #include "event_channel.h"
    #include "grant_table.h"
    #include "hvm/save.h"
    #include "memory.h"
    
    #define XEN_DOMCTL_INTERFACE_VERSION 0x00000014
    
    /*
     * NB. xen_domctl.domain is an IN/OUT parameter for this operation.
     * If it is specified as an invalid value (0 or >= DOMID_FIRST_RESERVED),
     * an id is auto-allocated and returned.
     */
    /* XEN_DOMCTL_createdomain */
    struct xen_domctl_createdomain {
        /* IN parameters */
        uint32_t ssidref;
        xen_domain_handle_t handle;
     /* Is this an HVM guest (as opposed to a PV guest)? */
    #define _XEN_DOMCTL_CDF_hvm           0
    #define XEN_DOMCTL_CDF_hvm            (1U<<_XEN_DOMCTL_CDF_hvm)
     /* Use hardware-assisted paging if available? */
    #define _XEN_DOMCTL_CDF_hap           1
    #define XEN_DOMCTL_CDF_hap            (1U<<_XEN_DOMCTL_CDF_hap)
     /* Should domain memory integrity be verifed by tboot during Sx? */
    #define _XEN_DOMCTL_CDF_s3_integrity  2
    #define XEN_DOMCTL_CDF_s3_integrity   (1U<<_XEN_DOMCTL_CDF_s3_integrity)
     /* Disable out-of-sync shadow page tables? */
    #define _XEN_DOMCTL_CDF_oos_off       3
    #define XEN_DOMCTL_CDF_oos_off        (1U<<_XEN_DOMCTL_CDF_oos_off)
     /* Is this a xenstore domain? */
    #define _XEN_DOMCTL_CDF_xs_domain     4
    #define XEN_DOMCTL_CDF_xs_domain      (1U<<_XEN_DOMCTL_CDF_xs_domain)
     /* Should this domain be permitted to use the IOMMU? */
    #define _XEN_DOMCTL_CDF_iommu         5
    #define XEN_DOMCTL_CDF_iommu          (1U<<_XEN_DOMCTL_CDF_iommu)
    #define _XEN_DOMCTL_CDF_nested_virt   6
    #define XEN_DOMCTL_CDF_nested_virt    (1U << _XEN_DOMCTL_CDF_nested_virt)
    /* Should we expose the vPMU to the guest? */
    #define XEN_DOMCTL_CDF_vpmu           (1U << 7)
    
    /* Max XEN_DOMCTL_CDF_* constant.  Used for ABI checking. */
    #define XEN_DOMCTL_CDF_MAX XEN_DOMCTL_CDF_vpmu
    
        uint32_t flags;
    
    #define _XEN_DOMCTL_IOMMU_no_sharept  0
    #define XEN_DOMCTL_IOMMU_no_sharept   (1U << _XEN_DOMCTL_IOMMU_no_sharept)
    
    /* Max XEN_DOMCTL_IOMMU_* constant.  Used for ABI checking. */
    #define XEN_DOMCTL_IOMMU_MAX XEN_DOMCTL_IOMMU_no_sharept
    
        uint32_t iommu_opts;
    
        /*
         * Various domain limits, which impact the quantity of resources
         * (global mapping space, xenheap, etc) a guest may consume.  For
         * max_grant_frames and max_maptrack_frames, < 0 means "use the
         * default maximum value in the hypervisor".
         */
        uint32_t max_vcpus;
        uint32_t max_evtchn_port;
        int32_t max_grant_frames;
        int32_t max_maptrack_frames;
    
   /* Grant version, use low 4 bits. */
   #define XEN_DOMCTL_GRANT_version_mask    0xf
   #define XEN_DOMCTL_GRANT_version(v)      ((v) & XEN_DOMCTL_GRANT_version_mask)
   
       uint32_t grant_opts;
   
       /* Per-vCPU buffer size in bytes.  0 to disable. */
       uint32_t vmtrace_size;
   
       struct xen_arch_domainconfig arch;
   };
   
   /* XEN_DOMCTL_getdomaininfo */
   struct xen_domctl_getdomaininfo {
       /* OUT variables. */
       domid_t  domain;              /* Also echoed in domctl.domain */
       uint16_t pad1;
    /* Domain is scheduled to die. */
   #define _XEN_DOMINF_dying     0
   #define XEN_DOMINF_dying      (1U<<_XEN_DOMINF_dying)
    /* Domain is an HVM guest (as opposed to a PV guest). */
   #define _XEN_DOMINF_hvm_guest 1
   #define XEN_DOMINF_hvm_guest  (1U<<_XEN_DOMINF_hvm_guest)
    /* The guest OS has shut down. */
   #define _XEN_DOMINF_shutdown  2
   #define XEN_DOMINF_shutdown   (1U<<_XEN_DOMINF_shutdown)
    /* Currently paused by control software. */
   #define _XEN_DOMINF_paused    3
   #define XEN_DOMINF_paused     (1U<<_XEN_DOMINF_paused)
    /* Currently blocked pending an event.     */
   #define _XEN_DOMINF_blocked   4
   #define XEN_DOMINF_blocked    (1U<<_XEN_DOMINF_blocked)
    /* Domain is currently running.            */
   #define _XEN_DOMINF_running   5
   #define XEN_DOMINF_running    (1U<<_XEN_DOMINF_running)
    /* Being debugged.  */
   #define _XEN_DOMINF_debugged  6
   #define XEN_DOMINF_debugged   (1U<<_XEN_DOMINF_debugged)
   /* domain is a xenstore domain */
   #define _XEN_DOMINF_xs_domain 7
   #define XEN_DOMINF_xs_domain  (1U<<_XEN_DOMINF_xs_domain)
   /* domain has hardware assisted paging */
   #define _XEN_DOMINF_hap       8
   #define XEN_DOMINF_hap        (1U<<_XEN_DOMINF_hap)
    /* XEN_DOMINF_shutdown guest-supplied code.  */
   #define XEN_DOMINF_shutdownmask 255
   #define XEN_DOMINF_shutdownshift 16
       uint32_t flags;              /* XEN_DOMINF_* */
       uint64_aligned_t tot_pages;
       uint64_aligned_t max_pages;
       uint64_aligned_t outstanding_pages;
       uint64_aligned_t shr_pages;
       uint64_aligned_t paged_pages;
       uint64_aligned_t shared_info_frame; /* GMFN of shared_info struct */
       uint64_aligned_t cpu_time;
       uint32_t nr_online_vcpus;    /* Number of VCPUs currently online. */
   #define XEN_INVALID_MAX_VCPU_ID (~0U) /* Domain has no vcpus? */
       uint32_t max_vcpu_id;        /* Maximum VCPUID in use by this domain. */
       uint32_t ssidref;
       xen_domain_handle_t handle;
       uint32_t cpupool;
       uint8_t gpaddr_bits; /* Guest physical address space size. */
       uint8_t pad2[7];
       struct xen_arch_domainconfig arch_config;
   };
   typedef struct xen_domctl_getdomaininfo xen_domctl_getdomaininfo_t;
   DEFINE_XEN_GUEST_HANDLE(xen_domctl_getdomaininfo_t);
   
   
   /* XEN_DOMCTL_getpageframeinfo */
   
   #define XEN_DOMCTL_PFINFO_LTAB_SHIFT 28
   #define XEN_DOMCTL_PFINFO_NOTAB   (0x0U<<28)
   #define XEN_DOMCTL_PFINFO_L1TAB   (0x1U<<28)
   #define XEN_DOMCTL_PFINFO_L2TAB   (0x2U<<28)
   #define XEN_DOMCTL_PFINFO_L3TAB   (0x3U<<28)
   #define XEN_DOMCTL_PFINFO_L4TAB   (0x4U<<28)
   #define XEN_DOMCTL_PFINFO_LTABTYPE_MASK (0x7U<<28)
   #define XEN_DOMCTL_PFINFO_LPINTAB (0x1U<<31)
   #define XEN_DOMCTL_PFINFO_XTAB    (0xfU<<28) /* invalid page */
   #define XEN_DOMCTL_PFINFO_XALLOC  (0xeU<<28) /* allocate-only page */
   #define XEN_DOMCTL_PFINFO_BROKEN  (0xdU<<28) /* broken page */
   #define XEN_DOMCTL_PFINFO_LTAB_MASK (0xfU<<28)
   
   /* XEN_DOMCTL_getpageframeinfo3 */
   /*
    * Both value `num' and `array' may get modified by the hypercall to allow
    * preemption.
    */
   struct xen_domctl_getpageframeinfo3 {
       /* IN variables. */
       uint64_aligned_t num;
       /* IN/OUT variables. */
       XEN_GUEST_HANDLE_64(xen_pfn_t) array;
   };
   
   
   /*
    * Control shadow pagetables operation
    */
   /* XEN_DOMCTL_shadow_op */
   
   /* Disable shadow mode. */
   #define XEN_DOMCTL_SHADOW_OP_OFF         0
   
   /* Enable shadow mode (mode contains ORed XEN_DOMCTL_SHADOW_ENABLE_* flags). */
   #define XEN_DOMCTL_SHADOW_OP_ENABLE      32
   
   /* Log-dirty bitmap operations. */
    /* Return the bitmap and clean internal copy for next round. */
   #define XEN_DOMCTL_SHADOW_OP_CLEAN       11
    /* Return the bitmap but do not modify internal copy. */
   #define XEN_DOMCTL_SHADOW_OP_PEEK        12
   
   /* Memory allocation accessors. */
   #define XEN_DOMCTL_SHADOW_OP_GET_ALLOCATION   30
   #define XEN_DOMCTL_SHADOW_OP_SET_ALLOCATION   31
   
   /* Legacy enable operations. */
    /* Equiv. to ENABLE with no mode flags. */
   #define XEN_DOMCTL_SHADOW_OP_ENABLE_TEST       1
    /* Equiv. to ENABLE with mode flag ENABLE_LOG_DIRTY. */
   #define XEN_DOMCTL_SHADOW_OP_ENABLE_LOGDIRTY   2
    /*
     * No longer supported, was equiv. to ENABLE with mode flags
     * ENABLE_REFCOUNT and ENABLE_TRANSLATE:
   #define XEN_DOMCTL_SHADOW_OP_ENABLE_TRANSLATE  3
     */
   
   /* Mode flags for XEN_DOMCTL_SHADOW_OP_ENABLE. */
    /*
     * Shadow pagetables are refcounted: guest does not use explicit mmu
     * operations nor write-protect its pagetables.
     */
   #define XEN_DOMCTL_SHADOW_ENABLE_REFCOUNT  (1 << 1)
    /*
     * Log pages in a bitmap as they are dirtied.
     * Used for live relocation to determine which pages must be re-sent.
     */
   #define XEN_DOMCTL_SHADOW_ENABLE_LOG_DIRTY (1 << 2)
    /*
     * Automatically translate GPFNs into MFNs.
     */
   #define XEN_DOMCTL_SHADOW_ENABLE_TRANSLATE (1 << 3)
    /*
     * Xen does not steal virtual address space from the guest.
     * Requires HVM support.
     */
   #define XEN_DOMCTL_SHADOW_ENABLE_EXTERNAL  (1 << 4)
   
   /* Mode flags for XEN_DOMCTL_SHADOW_OP_{CLEAN,PEEK}. */
    /*
     * This is the final iteration: Requesting to include pages mapped
     * writably by the hypervisor in the dirty bitmap.
     */
   #define XEN_DOMCTL_SHADOW_LOGDIRTY_FINAL   (1 << 0)
   
   struct xen_domctl_shadow_op_stats {
       uint32_t fault_count;
       uint32_t dirty_count;
   };
   
   struct xen_domctl_shadow_op {
       /* IN variables. */
       uint32_t       op;       /* XEN_DOMCTL_SHADOW_OP_* */
   
       /* OP_ENABLE: XEN_DOMCTL_SHADOW_ENABLE_* */
       /* OP_PEAK / OP_CLEAN: XEN_DOMCTL_SHADOW_LOGDIRTY_* */
       uint32_t       mode;
   
       /* OP_GET_ALLOCATION / OP_SET_ALLOCATION */
       uint32_t       mb;       /* Shadow memory allocation in MB */
   
       /* OP_PEEK / OP_CLEAN */
       XEN_GUEST_HANDLE_64(uint8) dirty_bitmap;
       uint64_aligned_t pages; /* Size of buffer. Updated with actual size. */
       struct xen_domctl_shadow_op_stats stats;
   };
   
   
   /* XEN_DOMCTL_max_mem */
   struct xen_domctl_max_mem {
       /* IN variables. */
       uint64_aligned_t max_memkb;
   };
   
   
   /* XEN_DOMCTL_setvcpucontext */
   /* XEN_DOMCTL_getvcpucontext */
   struct xen_domctl_vcpucontext {
       uint32_t              vcpu;                  /* IN */
       XEN_GUEST_HANDLE_64(vcpu_guest_context_t) ctxt; /* IN/OUT */
   };
   
   
   /* XEN_DOMCTL_getvcpuinfo */
   struct xen_domctl_getvcpuinfo {
       /* IN variables. */
       uint32_t vcpu;
       /* OUT variables. */
       uint8_t  online;                  /* currently online (not hotplugged)? */
       uint8_t  blocked;                 /* blocked waiting for an event? */
       uint8_t  running;                 /* currently scheduled on its CPU? */
       uint64_aligned_t cpu_time;        /* total cpu time consumed (ns) */
       uint32_t cpu;                     /* current mapping   */
   };
   
   
   /* Get/set the NUMA node(s) with which the guest has affinity with. */
   /* XEN_DOMCTL_setnodeaffinity */
   /* XEN_DOMCTL_getnodeaffinity */
   struct xen_domctl_nodeaffinity {
       struct xenctl_bitmap nodemap;/* IN */
   };
   
   
   /* Get/set which physical cpus a vcpu can execute on. */
   /* XEN_DOMCTL_setvcpuaffinity */
   /* XEN_DOMCTL_getvcpuaffinity */
   struct xen_domctl_vcpuaffinity {
       /* IN variables. */
       uint32_t  vcpu;
    /* Set/get the hard affinity for vcpu */
   #define _XEN_VCPUAFFINITY_HARD  0
   #define XEN_VCPUAFFINITY_HARD   (1U<<_XEN_VCPUAFFINITY_HARD)
    /* Set/get the soft affinity for vcpu */
   #define _XEN_VCPUAFFINITY_SOFT  1
   #define XEN_VCPUAFFINITY_SOFT   (1U<<_XEN_VCPUAFFINITY_SOFT)
    /* Undo SCHEDOP_pin_override */
   #define _XEN_VCPUAFFINITY_FORCE 2
   #define XEN_VCPUAFFINITY_FORCE  (1U<<_XEN_VCPUAFFINITY_FORCE)
       uint32_t flags;
       /*
        * IN/OUT variables.
        *
        * Both are IN/OUT for XEN_DOMCTL_setvcpuaffinity, in which case they
        * contain effective hard or/and soft affinity. That is, upon successful
        * return, cpumap_soft, contains the intersection of the soft affinity,
        * hard affinity and the cpupool's online CPUs for the domain (if
        * XEN_VCPUAFFINITY_SOFT was set in flags). cpumap_hard contains the
        * intersection between hard affinity and the cpupool's online CPUs (if
        * XEN_VCPUAFFINITY_HARD was set in flags).
        *
        * Both are OUT-only for XEN_DOMCTL_getvcpuaffinity, in which case they
        * contain the plain hard and/or soft affinity masks that were set during
        * previous successful calls to XEN_DOMCTL_setvcpuaffinity (or the
        * default values), without intersecting or altering them in any way.
        */
       struct xenctl_bitmap cpumap_hard;
       struct xenctl_bitmap cpumap_soft;
   };
   
   
   /*
    * XEN_DOMCTL_max_vcpus:
    *
    * The parameter passed to XEN_DOMCTL_max_vcpus must match the value passed to
    * XEN_DOMCTL_createdomain.  This hypercall is in the process of being removed
    * (once the failure paths in domain_create() have been improved), but is
    * still required in the short term to allocate the vcpus themselves.
    */
   struct xen_domctl_max_vcpus {
       uint32_t max;           /* maximum number of vcpus */
   };
   
   
   /* XEN_DOMCTL_scheduler_op */
   /* Scheduler types. */
   /* #define XEN_SCHEDULER_SEDF  4 (Removed) */
   #define XEN_SCHEDULER_CREDIT   5
   #define XEN_SCHEDULER_CREDIT2  6
   #define XEN_SCHEDULER_ARINC653 7
   #define XEN_SCHEDULER_RTDS     8
   #define XEN_SCHEDULER_NULL     9
   
   struct xen_domctl_sched_credit {
       uint16_t weight;
       uint16_t cap;
   };
   
   struct xen_domctl_sched_credit2 {
       uint16_t weight;
       uint16_t cap;
   };
   
   struct xen_domctl_sched_rtds {
       uint32_t period;
       uint32_t budget;
   /* Can this vCPU execute beyond its reserved amount of time? */
   #define _XEN_DOMCTL_SCHEDRT_extra   0
   #define XEN_DOMCTL_SCHEDRT_extra    (1U<<_XEN_DOMCTL_SCHEDRT_extra)
       uint32_t flags;
   };
   
   typedef struct xen_domctl_schedparam_vcpu {
       union {
           struct xen_domctl_sched_credit credit;
           struct xen_domctl_sched_credit2 credit2;
           struct xen_domctl_sched_rtds rtds;
       } u;
       uint32_t vcpuid;
   } xen_domctl_schedparam_vcpu_t;
   DEFINE_XEN_GUEST_HANDLE(xen_domctl_schedparam_vcpu_t);
   
   /*
    * Set or get info?
    * For schedulers supporting per-vcpu settings (e.g., RTDS):
    *  XEN_DOMCTL_SCHEDOP_putinfo sets params for all vcpus;
    *  XEN_DOMCTL_SCHEDOP_getinfo gets default params;
    *  XEN_DOMCTL_SCHEDOP_put(get)vcpuinfo sets (gets) params of vcpus;
    *
    * For schedulers not supporting per-vcpu settings:
    *  XEN_DOMCTL_SCHEDOP_putinfo sets params for all vcpus;
    *  XEN_DOMCTL_SCHEDOP_getinfo gets domain-wise params;
    *  XEN_DOMCTL_SCHEDOP_put(get)vcpuinfo returns error;
    */
   #define XEN_DOMCTL_SCHEDOP_putinfo 0
   #define XEN_DOMCTL_SCHEDOP_getinfo 1
   #define XEN_DOMCTL_SCHEDOP_putvcpuinfo 2
   #define XEN_DOMCTL_SCHEDOP_getvcpuinfo 3
   struct xen_domctl_scheduler_op {
       uint32_t sched_id;  /* XEN_SCHEDULER_* */
       uint32_t cmd;       /* XEN_DOMCTL_SCHEDOP_* */
       /* IN/OUT */
       union {
           struct xen_domctl_sched_credit credit;
           struct xen_domctl_sched_credit2 credit2;
           struct xen_domctl_sched_rtds rtds;
           struct {
               XEN_GUEST_HANDLE_64(xen_domctl_schedparam_vcpu_t) vcpus;
               /*
                * IN: Number of elements in vcpus array.
                * OUT: Number of processed elements of vcpus array.
                */
               uint32_t nr_vcpus;
               uint32_t padding;
           } v;
       } u;
   };
   
   
   /* XEN_DOMCTL_setdomainhandle */
   struct xen_domctl_setdomainhandle {
       xen_domain_handle_t handle;
   };
   
   
   /* XEN_DOMCTL_setdebugging */
   struct xen_domctl_setdebugging {
       uint8_t enable;
   };
   
   
   /* XEN_DOMCTL_irq_permission */
   struct xen_domctl_irq_permission {
       uint32_t pirq;
       uint8_t allow_access;    /* flag to specify enable/disable of IRQ access */
       uint8_t pad[3];
   };
   
   
   /* XEN_DOMCTL_iomem_permission */
   struct xen_domctl_iomem_permission {
       uint64_aligned_t first_mfn;/* first page (physical page number) in range */
       uint64_aligned_t nr_mfns;  /* number of pages in range (>0) */
       uint8_t  allow_access;     /* allow (!0) or deny (0) access to range? */
   };
   
   
   /* XEN_DOMCTL_ioport_permission */
   struct xen_domctl_ioport_permission {
       uint32_t first_port;              /* first port int range */
       uint32_t nr_ports;                /* size of port range */
       uint8_t  allow_access;            /* allow or deny access to range? */
   };
   
   
   /* XEN_DOMCTL_hypercall_init */
   struct xen_domctl_hypercall_init {
       uint64_aligned_t  gmfn;           /* GMFN to be initialised */
   };
   
   
   /* XEN_DOMCTL_settimeoffset */
   struct xen_domctl_settimeoffset {
       int64_aligned_t time_offset_seconds; /* applied to domain wallclock time */
   };
   
   /* XEN_DOMCTL_gethvmcontext */
   /* XEN_DOMCTL_sethvmcontext */
   struct xen_domctl_hvmcontext {
       uint32_t size; /* IN/OUT: size of buffer / bytes filled */
       XEN_GUEST_HANDLE_64(uint8) buffer; /* IN/OUT: data, or call
                                           * gethvmcontext with NULL
                                           * buffer to get size req'd */
   };
   
   
   /* XEN_DOMCTL_set_address_size */
   /* XEN_DOMCTL_get_address_size */
   struct xen_domctl_address_size {
       uint32_t size;
   };
   
   
   /* XEN_DOMCTL_sendtrigger */
   #define XEN_DOMCTL_SENDTRIGGER_NMI    0
   #define XEN_DOMCTL_SENDTRIGGER_RESET  1
   #define XEN_DOMCTL_SENDTRIGGER_INIT   2
   #define XEN_DOMCTL_SENDTRIGGER_POWER  3
   #define XEN_DOMCTL_SENDTRIGGER_SLEEP  4
   struct xen_domctl_sendtrigger {
       uint32_t  trigger;  /* IN */
       uint32_t  vcpu;     /* IN */
   };
   
   
   /* Assign a device to a guest. Sets up IOMMU structures. */
   /* XEN_DOMCTL_assign_device */
   /*
    * XEN_DOMCTL_test_assign_device: Pass DOMID_INVALID to find out whether the
    * given device is assigned to any DomU at all. Pass a specific domain ID to
    * find out whether the given device can be assigned to that domain.
    */
   /*
    * XEN_DOMCTL_deassign_device: The behavior of this DOMCTL differs
    * between the different type of device:
    *  - PCI device (XEN_DOMCTL_DEV_PCI) will be reassigned to DOM0
    *  - DT device (XEN_DOMCTL_DEV_DT) will left unassigned. DOM0
    *  will have to call XEN_DOMCTL_assign_device in order to use the
    *  device.
    */
   #define XEN_DOMCTL_DEV_PCI      0
   #define XEN_DOMCTL_DEV_DT       1
   struct xen_domctl_assign_device {
       /* IN */
       uint32_t dev;   /* XEN_DOMCTL_DEV_* */
       uint32_t flags;
   #define XEN_DOMCTL_DEV_RDM_RELAXED      1 /* assign only */
       union {
           struct {
               uint32_t machine_sbdf;   /* machine PCI ID of assigned device */
           } pci;
           struct {
               uint32_t size; /* Length of the path */
               XEN_GUEST_HANDLE_64(char) path; /* path to the device tree node */
           } dt;
       } u;
   };
   
   /* Retrieve sibling devices information of machine_sbdf */
   /* XEN_DOMCTL_get_device_group */
   struct xen_domctl_get_device_group {
       uint32_t  machine_sbdf;     /* IN */
       uint32_t  max_sdevs;        /* IN */
       uint32_t  num_sdevs;        /* OUT */
       XEN_GUEST_HANDLE_64(uint32)  sdev_array;   /* OUT */
   };
   
   /* Pass-through interrupts: bind real irq -> hvm devfn. */
   /* XEN_DOMCTL_bind_pt_irq */
   /* XEN_DOMCTL_unbind_pt_irq */
   enum pt_irq_type {
       PT_IRQ_TYPE_PCI,
       PT_IRQ_TYPE_ISA,
       PT_IRQ_TYPE_MSI,
       PT_IRQ_TYPE_MSI_TRANSLATE,
       PT_IRQ_TYPE_SPI,    /* ARM: valid range 32-1019 */
   };
   struct xen_domctl_bind_pt_irq {
       uint32_t machine_irq;
       uint32_t irq_type; /* enum pt_irq_type */
   
       union {
           struct {
               uint8_t isa_irq;
           } isa;
           struct {
               uint8_t bus;
               uint8_t device;
               uint8_t intx;
           } pci;
           struct {
               uint8_t gvec;
               uint32_t gflags;
   #define XEN_DOMCTL_VMSI_X86_DEST_ID_MASK 0x0000ff
   #define XEN_DOMCTL_VMSI_X86_RH_MASK      0x000100
   #define XEN_DOMCTL_VMSI_X86_DM_MASK      0x000200
   #define XEN_DOMCTL_VMSI_X86_DELIV_MASK   0x007000
   #define XEN_DOMCTL_VMSI_X86_TRIG_MASK    0x008000
   #define XEN_DOMCTL_VMSI_X86_UNMASKED     0x010000
   
               uint64_aligned_t gtable;
           } msi;
           struct {
               uint16_t spi;
           } spi;
       } u;
   };
   
   
   /* Bind machine I/O address range -> HVM address range. */
   /* XEN_DOMCTL_memory_mapping */
   /* Returns
      - zero     success, everything done
      - -E2BIG   passed in nr_mfns value too large for the implementation
      - positive partial success for the first <result> page frames (with
                 <result> less than nr_mfns), requiring re-invocation by the
                 caller after updating inputs
      - negative error; other than -E2BIG
   */
   #define DPCI_ADD_MAPPING         1
   #define DPCI_REMOVE_MAPPING      0
   struct xen_domctl_memory_mapping {
       uint64_aligned_t first_gfn; /* first page (hvm guest phys page) in range */
       uint64_aligned_t first_mfn; /* first page (machine page) in range */
       uint64_aligned_t nr_mfns;   /* number of pages in range (>0) */
       uint32_t add_mapping;       /* add or remove mapping */
       uint32_t padding;           /* padding for 64-bit aligned structure */
   };
   
   
   /* Bind machine I/O port range -> HVM I/O port range. */
   /* XEN_DOMCTL_ioport_mapping */
   struct xen_domctl_ioport_mapping {
       uint32_t first_gport;     /* first guest IO port*/
       uint32_t first_mport;     /* first machine IO port */
       uint32_t nr_ports;        /* size of port range */
       uint32_t add_mapping;     /* add or remove mapping */
   };
   
   
   /*
    * Pin caching type of RAM space for x86 HVM domU.
    */
   /* XEN_DOMCTL_pin_mem_cacheattr */
   /* Caching types: these happen to be the same as x86 MTRR/PAT type codes. */
   #define XEN_DOMCTL_MEM_CACHEATTR_UC  0
   #define XEN_DOMCTL_MEM_CACHEATTR_WC  1
   #define XEN_DOMCTL_MEM_CACHEATTR_WT  4
   #define XEN_DOMCTL_MEM_CACHEATTR_WP  5
   #define XEN_DOMCTL_MEM_CACHEATTR_WB  6
   #define XEN_DOMCTL_MEM_CACHEATTR_UCM 7
   #define XEN_DOMCTL_DELETE_MEM_CACHEATTR (~(uint32_t)0)
   
   
   /* XEN_DOMCTL_set_ext_vcpucontext */
   /* XEN_DOMCTL_get_ext_vcpucontext */
   struct xen_domctl_ext_vcpucontext {
       /* IN: VCPU that this call applies to. */
       uint32_t         vcpu;
       /*
        * SET: Size of struct (IN)
        * GET: Size of struct (OUT, up to 128 bytes)
        */
       uint32_t         size;
   #if defined(__i386__) || defined(__x86_64__)
       /* SYSCALL from 32-bit mode and SYSENTER callback information. */
       /* NB. SYSCALL from 64-bit mode is contained in vcpu_guest_context_t */
       uint64_aligned_t syscall32_callback_eip;
       uint64_aligned_t sysenter_callback_eip;
       uint16_t         syscall32_callback_cs;
       uint16_t         sysenter_callback_cs;
       uint8_t          syscall32_disables_events;
       uint8_t          sysenter_disables_events;
   #if defined(__GNUC__)
       union {
           uint64_aligned_t mcg_cap;
           struct hvm_vmce_vcpu vmce;
       };
   #else
       struct hvm_vmce_vcpu vmce;
   #endif
   #endif
   };
   
   /*
    * Set the target domain for a domain
    */
   /* XEN_DOMCTL_set_target */
   struct xen_domctl_set_target {
       domid_t target;
   };
   
   #if defined(__i386__) || defined(__x86_64__)
   # define XEN_CPUID_INPUT_UNUSED  0xFFFFFFFF
   
   /*
    * XEN_DOMCTL_{get,set}_cpu_policy (x86 specific)
    *
    * Query or set the CPUID and MSR policies for a specific domain.
    */
   struct xen_domctl_cpu_policy {
       uint32_t nr_leaves; /* IN/OUT: Number of leaves in/written to
                            * 'cpuid_policy'. */
       uint32_t nr_msrs;   /* IN/OUT: Number of MSRs in/written to
                            * 'msr_policy' */
       XEN_GUEST_HANDLE_64(xen_cpuid_leaf_t) cpuid_policy; /* IN/OUT */
       XEN_GUEST_HANDLE_64(xen_msr_entry_t) msr_policy;    /* IN/OUT */
   
       /*
        * OUT, set_policy only.  Written in some (but not all) error cases to
        * identify the CPUID leaf/subleaf and/or MSR which auditing objects to.
        */
       uint32_t err_leaf, err_subleaf, err_msr;
   };
   typedef struct xen_domctl_cpu_policy xen_domctl_cpu_policy_t;
   DEFINE_XEN_GUEST_HANDLE(xen_domctl_cpu_policy_t);
   #endif
   
   /*
    * Arranges that if the domain suspends (specifically, if it shuts
    * down with code SHUTDOWN_suspend), this event channel will be
    * notified.
    *
    * This is _instead of_ the usual notification to the global
    * VIRQ_DOM_EXC.  (In most systems that pirq is owned by xenstored.)
    *
    * Only one subscription per domain is possible.  Last subscriber
    * wins; others are silently displaced.
    *
    * NB that contrary to the rather general name, it only applies to
    * domain shutdown with code suspend.  Shutdown for other reasons
    * (including crash), and domain death, are notified to VIRQ_DOM_EXC
    * regardless.
    */
   /* XEN_DOMCTL_subscribe */
   struct xen_domctl_subscribe {
       uint32_t port; /* IN */
   };
   
   /* XEN_DOMCTL_debug_op */
   #define XEN_DOMCTL_DEBUG_OP_SINGLE_STEP_OFF         0
   #define XEN_DOMCTL_DEBUG_OP_SINGLE_STEP_ON          1
   struct xen_domctl_debug_op {
       uint32_t op;   /* IN */
       uint32_t vcpu; /* IN */
   };
   
   /*
    * Request a particular record from the HVM context
    */
   /* XEN_DOMCTL_gethvmcontext_partial */
   struct xen_domctl_hvmcontext_partial {
       uint32_t type;                      /* IN: Type of record required */
       uint32_t instance;                  /* IN: Instance of that type */
       uint64_aligned_t bufsz;             /* IN: size of buffer */
       XEN_GUEST_HANDLE_64(uint8) buffer;  /* OUT: buffer to write record into */
   };
   
   
   /* XEN_DOMCTL_gettscinfo */
   /* XEN_DOMCTL_settscinfo */
   struct xen_domctl_tsc_info {
       /* IN/OUT */
       uint32_t tsc_mode;
       uint32_t gtsc_khz;
       uint32_t incarnation;
       uint32_t pad;
       uint64_aligned_t elapsed_nsec;
   };
   
   /* XEN_DOMCTL_gdbsx_guestmemio      guest mem io */
   struct xen_domctl_gdbsx_memio {
       /* IN */
       uint64_aligned_t pgd3val;/* optional: init_mm.pgd[3] value */
       uint64_aligned_t gva;    /* guest virtual address */
       uint64_aligned_t uva;    /* user buffer virtual address */
       uint32_t         len;    /* number of bytes to read/write */
       uint8_t          gwr;    /* 0 = read from guest. 1 = write to guest */
       /* OUT */
       uint32_t         remain; /* bytes remaining to be copied */
   };
   
   /* XEN_DOMCTL_gdbsx_pausevcpu */
   /* XEN_DOMCTL_gdbsx_unpausevcpu */
   struct xen_domctl_gdbsx_pauseunp_vcpu { /* pause/unpause a vcpu */
       uint32_t         vcpu;         /* which vcpu */
   };
   
   /* XEN_DOMCTL_gdbsx_domstatus */
   struct xen_domctl_gdbsx_domstatus {
       /* OUT */
       uint8_t          paused;     /* is the domain paused */
       uint32_t         vcpu_id;    /* any vcpu in an event? */
       uint32_t         vcpu_ev;    /* if yes, what event? */
   };
   
   /*
    * VM event operations
    */
   
   /* XEN_DOMCTL_vm_event_op */
   
   /*
    * There are currently three rings available for VM events:
    * sharing, monitor and paging. This hypercall allows one to
    * control these rings (enable/disable), as well as to signal
    * to the hypervisor to pull responses (resume) from the given
    * ring.
    */
   #define XEN_VM_EVENT_ENABLE               0
   #define XEN_VM_EVENT_DISABLE              1
   #define XEN_VM_EVENT_RESUME               2
   #define XEN_VM_EVENT_GET_VERSION          3
   
   /*
    * Domain memory paging
    * Page memory in and out.
    * Domctl interface to set up and tear down the
    * pager<->hypervisor interface. Use XENMEM_paging_op*
    * to perform per-page operations.
    *
    * The XEN_VM_EVENT_PAGING_ENABLE domctl returns several
    * non-standard error codes to indicate why paging could not be enabled:
    * ENODEV - host lacks HAP support (EPT/NPT) or HAP is disabled in guest
    * EMLINK - guest has iommu passthrough enabled
    * EXDEV  - guest has PoD enabled
    * EBUSY  - guest has or had paging enabled, ring buffer still active
    */
   #define XEN_DOMCTL_VM_EVENT_OP_PAGING            1
   
   /*
    * Monitor helper.
    *
    * As with paging, use the domctl for teardown/setup of the
    * helper<->hypervisor interface.
    *
    * The monitor interface can be used to register for various VM events. For
    * example, there are HVM hypercalls to set the per-page access permissions
    * of every page in a domain.  When one of these permissions--independent,
    * read, write, and execute--is violated, the VCPU is paused and a memory event
    * is sent with what happened. The memory event handler can then resume the
    * VCPU and redo the access with a XEN_VM_EVENT_RESUME option.
    *
    * See public/vm_event.h for the list of available events that can be
    * subscribed to via the monitor interface.
    *
    * The XEN_VM_EVENT_MONITOR_* domctls returns
    * non-standard error codes to indicate why access could not be enabled:
    * ENODEV - host lacks HAP support (EPT/NPT) or HAP is disabled in guest
    * EBUSY  - guest has or had access enabled, ring buffer still active
    *
    */
   #define XEN_DOMCTL_VM_EVENT_OP_MONITOR           2
   
   /*
    * Sharing ENOMEM helper.
    *
    * As with paging, use the domctl for teardown/setup of the
    * helper<->hypervisor interface.
    *
    * If setup, this ring is used to communicate failed allocations
    * in the unshare path. XENMEM_sharing_op_resume is used to wake up
    * vcpus that could not unshare.
    *
    * Note that sharing can be turned on (as per the domctl below)
    * *without* this ring being setup.
    */
   #define XEN_DOMCTL_VM_EVENT_OP_SHARING           3
   
   /* Use for teardown/setup of helper<->hypervisor interface for paging,
    * access and sharing.*/
   struct xen_domctl_vm_event_op {
       uint32_t       op;           /* XEN_VM_EVENT_* */
       uint32_t       mode;         /* XEN_DOMCTL_VM_EVENT_OP_* */
   
       union {
           struct {
               uint32_t port;       /* OUT: event channel for ring */
           } enable;
   
           uint32_t version;
       } u;
   };
   
   /*
    * Memory sharing operations
    */
   /* XEN_DOMCTL_mem_sharing_op.
    * The CONTROL sub-domctl is used for bringup/teardown. */
   #define XEN_DOMCTL_MEM_SHARING_CONTROL          0
   
   struct xen_domctl_mem_sharing_op {
       uint8_t op; /* XEN_DOMCTL_MEM_SHARING_* */
   
       union {
           uint8_t enable;                   /* CONTROL */
       } u;
   };
   
   struct xen_domctl_audit_p2m {
       /* OUT error counts */
       uint64_t orphans;
       uint64_t m2p_bad;
       uint64_t p2m_bad;
   };
   
   struct xen_domctl_set_virq_handler {
       uint32_t virq; /* IN */
   };
   
   #if defined(__i386__) || defined(__x86_64__)
   /* XEN_DOMCTL_setvcpuextstate */
   /* XEN_DOMCTL_getvcpuextstate */
   struct xen_domctl_vcpuextstate {
       /* IN: VCPU that this call applies to. */
       uint32_t         vcpu;
       /*
        * SET: Ignored.
        * GET: xfeature support mask of struct (IN/OUT)
        * xfeature mask is served as identifications of the saving format
        * so that compatible CPUs can have a check on format to decide
        * whether it can restore.
        */
       uint64_aligned_t         xfeature_mask;
       /*
        * SET: Size of struct (IN)
        * GET: Size of struct (IN/OUT)
        */
       uint64_aligned_t         size;
       XEN_GUEST_HANDLE_64(uint64) buffer;
   };
   #endif
   
   /* XEN_DOMCTL_set_access_required: sets whether a memory event listener
    * must be present to handle page access events: if false, the page
    * access will revert to full permissions if no one is listening;
    *  */
   struct xen_domctl_set_access_required {
       uint8_t access_required;
   };
   
   struct xen_domctl_set_broken_page_p2m {
       uint64_aligned_t pfn;
   };
   
   /*
    * ARM: Clean and invalidate caches associated with given region of
    * guest memory.
    */
   struct xen_domctl_cacheflush {
       /* IN: page range to flush. */
       xen_pfn_t start_pfn, nr_pfns;
   };
   
   #if defined(__i386__) || defined(__x86_64__)
   struct xen_domctl_vcpu_msr {
       uint32_t         index;
       uint32_t         reserved;
       uint64_aligned_t value;
   };
   typedef struct xen_domctl_vcpu_msr xen_domctl_vcpu_msr_t;
   DEFINE_XEN_GUEST_HANDLE(xen_domctl_vcpu_msr_t);
   
   /*
    * XEN_DOMCTL_set_vcpu_msrs / XEN_DOMCTL_get_vcpu_msrs.
    *
    * Input:
    * - A NULL 'msrs' guest handle is a request for the maximum 'msr_count'.
    * - Otherwise, 'msr_count' is the number of entries in 'msrs'.
    *
    * Output for get:
    * - If 'msr_count' is less than the number Xen needs to write, -ENOBUFS shall
    *   be returned and 'msr_count' updated to reflect the intended number.
    * - On success, 'msr_count' shall indicate the number of MSRs written, which
    *   may be less than the maximum if some are not currently used by the vcpu.
    *
    * Output for set:
    * - If Xen encounters an error with a specific MSR, -EINVAL shall be returned
    *   and 'msr_count' shall be set to the offending index, to aid debugging.
    */
   struct xen_domctl_vcpu_msrs {
       uint32_t vcpu;                                   /* IN     */
       uint32_t msr_count;                              /* IN/OUT */
       XEN_GUEST_HANDLE_64(xen_domctl_vcpu_msr_t) msrs; /* IN/OUT */
   };
   #endif
   
   /* XEN_DOMCTL_setvnumainfo: specifies a virtual NUMA topology for the guest */
   struct xen_domctl_vnuma {
       /* IN: number of vNUMA nodes to setup. Shall be greater than 0 */
       uint32_t nr_vnodes;
       /* IN: number of memory ranges to setup */
       uint32_t nr_vmemranges;
       /*
        * IN: number of vCPUs of the domain (used as size of the vcpu_to_vnode
        * array declared below). Shall be equal to the domain's max_vcpus.
        */
       uint32_t nr_vcpus;
       uint32_t pad;                                  /* must be zero */
   
       /*
        * IN: array for specifying the distances of the vNUMA nodes
        * between each others. Shall have nr_vnodes*nr_vnodes elements.
        */
       XEN_GUEST_HANDLE_64(uint) vdistance;
       /*
        * IN: array for specifying to what vNUMA node each vCPU belongs.
        * Shall have nr_vcpus elements.
       */
      XEN_GUEST_HANDLE_64(uint) vcpu_to_vnode;
      /*
       * IN: array for specifying on what physical NUMA node each vNUMA
       * node is placed. Shall have nr_vnodes elements.
       */
      XEN_GUEST_HANDLE_64(uint) vnode_to_pnode;
      /*
       * IN: array for specifying the memory ranges. Shall have
       * nr_vmemranges elements.
       */
      XEN_GUEST_HANDLE_64(xen_vmemrange_t) vmemrange;
  };
  
  struct xen_domctl_psr_cmt_op {
  #define XEN_DOMCTL_PSR_CMT_OP_DETACH         0
  #define XEN_DOMCTL_PSR_CMT_OP_ATTACH         1
  #define XEN_DOMCTL_PSR_CMT_OP_QUERY_RMID     2
      uint32_t cmd;
      uint32_t data;
  };
  
  /*  XEN_DOMCTL_MONITOR_*
   *
   * Enable/disable monitoring various VM events.
   * This domctl configures what events will be reported to helper apps
   * via the ring buffer "MONITOR". The ring has to be first enabled
   * with the domctl XEN_DOMCTL_VM_EVENT_OP_MONITOR.
   *
   * GET_CAPABILITIES can be used to determine which of these features is
   * available on a given platform.
   *
   * NOTICE: mem_access events are also delivered via the "MONITOR" ring buffer;
   * however, enabling/disabling those events is performed with the use of
   * memory_op hypercalls!
   */
  #define XEN_DOMCTL_MONITOR_OP_ENABLE            0
  #define XEN_DOMCTL_MONITOR_OP_DISABLE           1
  #define XEN_DOMCTL_MONITOR_OP_GET_CAPABILITIES  2
  #define XEN_DOMCTL_MONITOR_OP_EMULATE_EACH_REP  3
  /*
   * Control register feature can result in guest-crashes when the monitor
   * subsystem is being turned off. User has to take special precautions
   * to ensure all vCPUs have resumed before it is safe to turn it off.
   */
  #define XEN_DOMCTL_MONITOR_OP_CONTROL_REGISTERS 4
  
  #define XEN_DOMCTL_MONITOR_EVENT_WRITE_CTRLREG         0
  #define XEN_DOMCTL_MONITOR_EVENT_MOV_TO_MSR            1
  #define XEN_DOMCTL_MONITOR_EVENT_SINGLESTEP            2
  #define XEN_DOMCTL_MONITOR_EVENT_SOFTWARE_BREAKPOINT   3
  #define XEN_DOMCTL_MONITOR_EVENT_GUEST_REQUEST         4
  #define XEN_DOMCTL_MONITOR_EVENT_DEBUG_EXCEPTION       5
  #define XEN_DOMCTL_MONITOR_EVENT_CPUID                 6
  #define XEN_DOMCTL_MONITOR_EVENT_PRIVILEGED_CALL       7
  #define XEN_DOMCTL_MONITOR_EVENT_INTERRUPT             8
  #define XEN_DOMCTL_MONITOR_EVENT_DESC_ACCESS           9
  #define XEN_DOMCTL_MONITOR_EVENT_EMUL_UNIMPLEMENTED    10
  /* Enabled by default */
  #define XEN_DOMCTL_MONITOR_EVENT_INGUEST_PAGEFAULT     11
  
  struct xen_domctl_monitor_op {
      uint32_t op; /* XEN_DOMCTL_MONITOR_OP_* */
  
      /*
       * When used with ENABLE/DISABLE this has to be set to
       * the requested XEN_DOMCTL_MONITOR_EVENT_* value.
       * With GET_CAPABILITIES this field returns a bitmap of
       * events supported by the platform, in the format
       * (1 << XEN_DOMCTL_MONITOR_EVENT_*).
       */
      uint32_t event;
  
      /*
       * Further options when issuing XEN_DOMCTL_MONITOR_OP_ENABLE.
       */
      union {
          struct {
              /* Which control register */
              uint8_t index;
              /* Pause vCPU until response */
              uint8_t sync;
              /* Send event only on a change of value */
              uint8_t onchangeonly;
              /* Allignment padding */
              uint8_t pad1;
              uint32_t pad2;
              /*
               * Send event only if the changed bit in the control register
               * is not masked.
               */
              uint64_aligned_t bitmask;
          } mov_to_cr;
  
          struct {
              uint32_t msr;
              /* Send event only on a change of value */
              uint8_t onchangeonly;
          } mov_to_msr;
  
          struct {
              /* Pause vCPU until response */
              uint8_t sync;
              uint8_t allow_userspace;
          } guest_request;
  
          struct {
              /* Pause vCPU until response */
              uint8_t sync;
          } debug_exception;
      } u;
  };
  
  struct xen_domctl_psr_alloc {
  #define XEN_DOMCTL_PSR_SET_L3_CBM     0
  #define XEN_DOMCTL_PSR_GET_L3_CBM     1
  #define XEN_DOMCTL_PSR_SET_L3_CODE    2
  #define XEN_DOMCTL_PSR_SET_L3_DATA    3
  #define XEN_DOMCTL_PSR_GET_L3_CODE    4
  #define XEN_DOMCTL_PSR_GET_L3_DATA    5
  #define XEN_DOMCTL_PSR_SET_L2_CBM     6
  #define XEN_DOMCTL_PSR_GET_L2_CBM     7
  #define XEN_DOMCTL_PSR_SET_MBA_THRTL  8
  #define XEN_DOMCTL_PSR_GET_MBA_THRTL  9
      uint32_t cmd;       /* IN: XEN_DOMCTL_PSR_* */
      uint32_t target;    /* IN */
      uint64_t data;      /* IN/OUT */
  };
  
  /* XEN_DOMCTL_vuart_op */
  struct xen_domctl_vuart_op {
  #define XEN_DOMCTL_VUART_OP_INIT  0
          uint32_t cmd;           /* XEN_DOMCTL_VUART_OP_* */
  #define XEN_DOMCTL_VUART_TYPE_VPL011 0
          uint32_t type;          /* IN - type of vuart.
                                   *      Currently only vpl011 supported.
                                   */
          uint64_aligned_t  gfn;  /* IN - guest gfn to be used as a
                                   *      ring buffer.
                                   */
          domid_t console_domid;  /* IN - domid of domain running the
                                   *      backend console.
                                   */
          uint8_t pad[2];
          evtchn_port_t evtchn;   /* OUT - remote port of the event
                                   *       channel used for sending
                                   *       ring buffer events.
                                   */
  };
  
  /* XEN_DOMCTL_vmtrace_op: Perform VM tracing operations. */
  struct xen_domctl_vmtrace_op {
      uint32_t cmd;           /* IN */
      uint32_t vcpu;          /* IN */
      uint64_aligned_t key;   /* IN     - @cmd specific data. */
      uint64_aligned_t value; /* IN/OUT - @cmd specific data. */
  
      /*
       * General enable/disable of tracing.
       *
       * XEN_DOMCTL_vmtrace_reset_and_enable is provided as optimisation for
       * common usecases, which want to reset status and position information
       * when turning tracing back on.
       */
  #define XEN_DOMCTL_vmtrace_enable             1
  #define XEN_DOMCTL_vmtrace_disable            2
  #define XEN_DOMCTL_vmtrace_reset_and_enable   3
  
      /* Obtain the current output position within the buffer.  Fills @value. */
  #define XEN_DOMCTL_vmtrace_output_position    4
  
      /*
       * Get/Set platform specific configuration.
       *
       * For Intel Processor Trace, @key/@value are interpreted as MSR
       * reads/writes to MSR_RTIT_*, filtered to a safe subset.
       */
  #define XEN_DOMCTL_vmtrace_get_option         5
  #define XEN_DOMCTL_vmtrace_set_option         6
  };
  typedef struct xen_domctl_vmtrace_op xen_domctl_vmtrace_op_t;
  DEFINE_XEN_GUEST_HANDLE(xen_domctl_vmtrace_op_t);
  
  struct xen_domctl {
      uint32_t cmd;
  #define XEN_DOMCTL_createdomain                   1
  #define XEN_DOMCTL_destroydomain                  2
  #define XEN_DOMCTL_pausedomain                    3
  #define XEN_DOMCTL_unpausedomain                  4
  #define XEN_DOMCTL_getdomaininfo                  5
  /* #define XEN_DOMCTL_getmemlist                  6 Removed */
  /* #define XEN_DOMCTL_getpageframeinfo            7 Obsolete - use getpageframeinfo3 */
  /* #define XEN_DOMCTL_getpageframeinfo2           8 Obsolete - use getpageframeinfo3 */
  #define XEN_DOMCTL_setvcpuaffinity                9
  #define XEN_DOMCTL_shadow_op                     10
  #define XEN_DOMCTL_max_mem                       11
  #define XEN_DOMCTL_setvcpucontext                12
  #define XEN_DOMCTL_getvcpucontext                13
  #define XEN_DOMCTL_getvcpuinfo                   14
  #define XEN_DOMCTL_max_vcpus                     15
  #define XEN_DOMCTL_scheduler_op                  16
  #define XEN_DOMCTL_setdomainhandle               17
  #define XEN_DOMCTL_setdebugging                  18
  #define XEN_DOMCTL_irq_permission                19
  #define XEN_DOMCTL_iomem_permission              20
  #define XEN_DOMCTL_ioport_permission             21
  #define XEN_DOMCTL_hypercall_init                22
  #ifdef __XEN__
  /* #define XEN_DOMCTL_arch_setup                 23 Obsolete IA64 only */
  #define XEN_DOMCTL_soft_reset_cont               23
  #endif
  #define XEN_DOMCTL_settimeoffset                 24
  #define XEN_DOMCTL_getvcpuaffinity               25
  #define XEN_DOMCTL_real_mode_area                26 /* Obsolete PPC only */
  #define XEN_DOMCTL_resumedomain                  27
  #define XEN_DOMCTL_sendtrigger                   28
  #define XEN_DOMCTL_subscribe                     29
  #define XEN_DOMCTL_gethvmcontext                 33
  #define XEN_DOMCTL_sethvmcontext                 34
  #define XEN_DOMCTL_set_address_size              35
  #define XEN_DOMCTL_get_address_size              36
  #define XEN_DOMCTL_assign_device                 37
  #define XEN_DOMCTL_bind_pt_irq                   38
  #define XEN_DOMCTL_memory_mapping                39
  #define XEN_DOMCTL_ioport_mapping                40
  /* #define XEN_DOMCTL_pin_mem_cacheattr          41 Removed - use dmop */
  #define XEN_DOMCTL_set_ext_vcpucontext           42
  #define XEN_DOMCTL_get_ext_vcpucontext           43
  #define XEN_DOMCTL_set_opt_feature               44 /* Obsolete IA64 only */
  #define XEN_DOMCTL_test_assign_device            45
  #define XEN_DOMCTL_set_target                    46
  #define XEN_DOMCTL_deassign_device               47
  #define XEN_DOMCTL_unbind_pt_irq                 48
  /* #define XEN_DOMCTL_set_cpuid                  49 - Obsolete - use set_cpu_policy */
  #define XEN_DOMCTL_get_device_group              50
  /* #define XEN_DOMCTL_set_machine_address_size   51 - Obsolete */
  /* #define XEN_DOMCTL_get_machine_address_size   52 - Obsolete */
  /* #define XEN_DOMCTL_suppress_spurious_page_faults 53 - Obsolete */
  #define XEN_DOMCTL_debug_op                      54
  #define XEN_DOMCTL_gethvmcontext_partial         55
  #define XEN_DOMCTL_vm_event_op                   56
  #define XEN_DOMCTL_mem_sharing_op                57
  /* #define XEN_DOMCTL_disable_migrate            58 - Obsolete */
  #define XEN_DOMCTL_gettscinfo                    59
  #define XEN_DOMCTL_settscinfo                    60
  #define XEN_DOMCTL_getpageframeinfo3             61
  #define XEN_DOMCTL_setvcpuextstate               62
  #define XEN_DOMCTL_getvcpuextstate               63
  #define XEN_DOMCTL_set_access_required           64
  #define XEN_DOMCTL_audit_p2m                     65
  #define XEN_DOMCTL_set_virq_handler              66
  #define XEN_DOMCTL_set_broken_page_p2m           67
  #define XEN_DOMCTL_setnodeaffinity               68
  #define XEN_DOMCTL_getnodeaffinity               69
  /* #define XEN_DOMCTL_set_max_evtchn             70 - Moved into XEN_DOMCTL_createdomain */
  #define XEN_DOMCTL_cacheflush                    71
  #define XEN_DOMCTL_get_vcpu_msrs                 72
  #define XEN_DOMCTL_set_vcpu_msrs                 73
  #define XEN_DOMCTL_setvnumainfo                  74
  #define XEN_DOMCTL_psr_cmt_op                    75
  #define XEN_DOMCTL_monitor_op                    77
  #define XEN_DOMCTL_psr_alloc                     78
  #define XEN_DOMCTL_soft_reset                    79
  /* #define XEN_DOMCTL_set_gnttab_limits          80 - Moved into XEN_DOMCTL_createdomain */
  #define XEN_DOMCTL_vuart_op                      81
  #define XEN_DOMCTL_get_cpu_policy                82
  #define XEN_DOMCTL_set_cpu_policy                83
  #define XEN_DOMCTL_vmtrace_op                    84
  #define XEN_DOMCTL_gdbsx_guestmemio            1000
  #define XEN_DOMCTL_gdbsx_pausevcpu             1001
  #define XEN_DOMCTL_gdbsx_unpausevcpu           1002
  #define XEN_DOMCTL_gdbsx_domstatus             1003
      uint32_t interface_version; /* XEN_DOMCTL_INTERFACE_VERSION */
      domid_t  domain;
      uint16_t _pad[3];
      union {
          struct xen_domctl_createdomain      createdomain;
          struct xen_domctl_getdomaininfo     getdomaininfo;
          struct xen_domctl_getpageframeinfo3 getpageframeinfo3;
          struct xen_domctl_nodeaffinity      nodeaffinity;
          struct xen_domctl_vcpuaffinity      vcpuaffinity;
          struct xen_domctl_shadow_op         shadow_op;
          struct xen_domctl_max_mem           max_mem;
          struct xen_domctl_vcpucontext       vcpucontext;
          struct xen_domctl_getvcpuinfo       getvcpuinfo;
          struct xen_domctl_max_vcpus         max_vcpus;
          struct xen_domctl_scheduler_op      scheduler_op;
          struct xen_domctl_setdomainhandle   setdomainhandle;
          struct xen_domctl_setdebugging      setdebugging;
          struct xen_domctl_irq_permission    irq_permission;
          struct xen_domctl_iomem_permission  iomem_permission;
          struct xen_domctl_ioport_permission ioport_permission;
          struct xen_domctl_hypercall_init    hypercall_init;
          struct xen_domctl_settimeoffset     settimeoffset;
          struct xen_domctl_tsc_info          tsc_info;
          struct xen_domctl_hvmcontext        hvmcontext;
          struct xen_domctl_hvmcontext_partial hvmcontext_partial;
          struct xen_domctl_address_size      address_size;
          struct xen_domctl_sendtrigger       sendtrigger;
          struct xen_domctl_get_device_group  get_device_group;
          struct xen_domctl_assign_device     assign_device;
          struct xen_domctl_bind_pt_irq       bind_pt_irq;
          struct xen_domctl_memory_mapping    memory_mapping;
          struct xen_domctl_ioport_mapping    ioport_mapping;
          struct xen_domctl_ext_vcpucontext   ext_vcpucontext;
          struct xen_domctl_set_target        set_target;
          struct xen_domctl_subscribe         subscribe;
          struct xen_domctl_debug_op          debug_op;
          struct xen_domctl_vm_event_op       vm_event_op;
          struct xen_domctl_mem_sharing_op    mem_sharing_op;
  #if defined(__i386__) || defined(__x86_64__)
          struct xen_domctl_cpu_policy        cpu_policy;
          struct xen_domctl_vcpuextstate      vcpuextstate;
          struct xen_domctl_vcpu_msrs         vcpu_msrs;
  #endif
          struct xen_domctl_set_access_required access_required;
          struct xen_domctl_audit_p2m         audit_p2m;
          struct xen_domctl_set_virq_handler  set_virq_handler;
          struct xen_domctl_gdbsx_memio       gdbsx_guest_memio;
          struct xen_domctl_set_broken_page_p2m set_broken_page_p2m;
          struct xen_domctl_cacheflush        cacheflush;
          struct xen_domctl_gdbsx_pauseunp_vcpu gdbsx_pauseunp_vcpu;
          struct xen_domctl_gdbsx_domstatus   gdbsx_domstatus;
          struct xen_domctl_vnuma             vnuma;
          struct xen_domctl_psr_cmt_op        psr_cmt_op;
          struct xen_domctl_monitor_op        monitor_op;
          struct xen_domctl_psr_alloc         psr_alloc;
          struct xen_domctl_vuart_op          vuart_op;
          struct xen_domctl_vmtrace_op        vmtrace_op;
          uint8_t                             pad[128];
      } u;
  };
  typedef struct xen_domctl xen_domctl_t;
  DEFINE_XEN_GUEST_HANDLE(xen_domctl_t);
  
  #endif /* __XEN_PUBLIC_DOMCTL_H__ */
  
  /*
   * Local variables:
   * mode: C
   * c-file-style: "BSD"
   * c-basic-offset: 4
   * tab-width: 4
   * indent-tabs-mode: nil
   * End:
   */

Cache object: 2a14047c0023f85006bf32e1effb82e6