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__ */ 69