hvm_op.h (1549B)
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 12struct xen_hvm_param { 13 domid_t domid; /* IN */ 14 uint32_t index; /* IN */ 15 uint64_t value; /* IN/OUT */ 16}; 17DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_param); 18 19/* Hint from PV drivers for pagetable destruction. */ 20#define HVMOP_pagetable_dying 9 21struct 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}; 27typedef struct xen_hvm_pagetable_dying xen_hvm_pagetable_dying_t; 28DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_pagetable_dying_t); 29 30enum 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. */ 38struct 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}; 47DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_get_mem_type); 48 49#endif /* __XEN_PUBLIC_HVM_HVM_OP_H__ */