/* Get/set subcommands: the second argument of the hypercall is a
* pointer to a xen_hvm_param struct. */ #define HVMOP_set_param 0 #define HVMOP_get_param 1 struct xen_hvm_param {
domid_t domid; /* IN */
uint32_t index; /* IN */
uint64_t value; /* IN/OUT */
};
DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_param);
/* Hint from PV drivers for pagetable destruction. */ #define HVMOP_pagetable_dying 9 struct xen_hvm_pagetable_dying { /* Domain with a pagetable about to be destroyed. */
domid_t domid; /* guest physical address of the toplevel pagetable dying */
aligned_u64 gpa;
}; typedefstruct xen_hvm_pagetable_dying xen_hvm_pagetable_dying_t;
DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_pagetable_dying_t);
enum hvmmem_type_t {
HVMMEM_ram_rw, /* Normal read/write guest RAM */
HVMMEM_ram_ro, /* Read-only; writes are discarded */
HVMMEM_mmio_dm, /* Reads and write go to the device model */
};
#define HVMOP_get_mem_type 15 /* Return hvmmem_type_t for the specified pfn. */ struct xen_hvm_get_mem_type { /* Domain to be queried. */
domid_t domid; /* OUT variable. */
uint16_t mem_type;
uint16_t pad[2]; /* align next field on 8-byte boundary */ /* IN variable. */
uint64_t pfn;
};
DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_get_mem_type);
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