include/xen/interface/hvm/hvm_op.h

   1 /* SPDX-License-Identifier: MIT */
   2
   3 #ifndef __XEN_PUBLIC_HVM_HVM_OP_H__
   4 #define __XEN_PUBLIC_HVM_HVM_OP_H__
   5
   6 #include <xen/interface/xen.h>
   7
   8 /* Get/set subcommands: the second argument of the hypercall is a
   9  * pointer to a xen_hvm_param struct. */
  10 #define HVMOP_set_param           0
  11 #define HVMOP_get_param           1
  12 struct xen_hvm_param {
  13     domid_t  domid;    /* IN */
  14     uint32_t index;    /* IN */
  15     uint64_t value;    /* IN/OUT */
  16 };
  17 DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_param);
  18
  19 /* Hint from PV drivers for pagetable destruction. */
  20 #define HVMOP_pagetable_dying       9
  21 struct xen_hvm_pagetable_dying {
  22     /* Domain with a pagetable about to be destroyed. */
  23     domid_t  domid;
  24     /* guest physical address of the toplevel pagetable dying */
  25     aligned_u64 gpa;
  26 };
  27 typedef struct xen_hvm_pagetable_dying xen_hvm_pagetable_dying_t;
  28 DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_pagetable_dying_t);
  29
  30 enum hvmmem_type_t {
  31     HVMMEM_ram_rw,             /* Normal read/write guest RAM */
  32     HVMMEM_ram_ro,             /* Read-only; writes are discarded */
  33     HVMMEM_mmio_dm,            /* Reads and write go to the device model */
  34 };
  35
  36 #define HVMOP_get_mem_type    15
  37 /* Return hvmmem_type_t for the specified pfn. */
  38 struct xen_hvm_get_mem_type {
  39     /* Domain to be queried. */
  40     domid_t domid;
  41     /* OUT variable. */
  42     uint16_t mem_type;
  43     uint16_t pad[2]; /* align next field on 8-byte boundary */
  44     /* IN variable. */
  45     uint64_t pfn;
  46 };
  47 DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_get_mem_type);
  48
  49 #if defined(__i386__) || defined(__x86_64__)
  50
  51 /*
  52  * HVMOP_set_evtchn_upcall_vector: Set a <vector> that should be used for event
  53  *                                 channel upcalls on the specified <vcpu>. If set,
  54  *                                 this vector will be used in preference to the
  55  *                                 domain global callback via (see
  56  *                                 HVM_PARAM_CALLBACK_IRQ).
  57  */
  58 #define HVMOP_set_evtchn_upcall_vector 23
  59 struct xen_hvm_evtchn_upcall_vector {
  60     uint32_t vcpu;
  61     uint8_t vector;
  62 };
  63 typedef struct xen_hvm_evtchn_upcall_vector xen_hvm_evtchn_upcall_vector_t;
  64 DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_evtchn_upcall_vector_t);
  65
  66 #endif /* defined(__i386__) || defined(__x86_64__) */
  67
  68 #endif /* __XEN_PUBLIC_HVM_HVM_OP_H__ */