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56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
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/* SPDX-License-Identifier: MIT
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*
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* hvm_op.h
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*
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* Copyright (c) 2007, Keir Fraser
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*/
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#ifndef __XEN_PUBLIC_HVM_HVM_OP_H__
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#define __XEN_PUBLIC_HVM_HVM_OP_H__
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/* Get/set subcommands: the second argument of the hypercall is a
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* pointer to a xen_hvm_param struct.
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*/
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#define HVMOP_set_param 0
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#define HVMOP_get_param 1
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struct xen_hvm_param {
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domid_t domid; /* IN */
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u32 index; /* IN */
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u64 value; /* IN/OUT */
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};
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DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_param);
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/* Hint from PV drivers for pagetable destruction. */
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#define HVMOP_pagetable_dying 9
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struct xen_hvm_pagetable_dying {
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/* Domain with a pagetable about to be destroyed. */
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domid_t domid;
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/* guest physical address of the toplevel pagetable dying */
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aligned_u64 gpa;
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};
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DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_pagetable_dying);
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enum hvmmem_type_t {
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HVMMEM_ram_rw, /* Normal read/write guest RAM */
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HVMMEM_ram_ro, /* Read-only; writes are discarded */
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HVMMEM_mmio_dm, /* Reads and write go to the device model */
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};
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#define HVMOP_get_mem_type 15
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/* Return hvmmem_type_t for the specified pfn. */
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struct xen_hvm_get_mem_type {
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/* Domain to be queried. */
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domid_t domid;
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/* OUT variable. */
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u16 mem_type;
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u16 pad[2]; /* align next field on 8-byte boundary */
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/* IN variable. */
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u64 pfn;
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};
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DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_get_mem_type);
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#endif /* __XEN_PUBLIC_HVM_HVM_OP_H__ */
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