1 /* 2 * Permission is hereby granted, free of charge, to any person obtaining a copy 3 * of this software and associated documentation files (the "Software"), to 4 * deal in the Software without restriction, including without limitation the 5 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 6 * sell copies of the Software, and to permit persons to whom the Software is 7 * furnished to do so, subject to the following conditions: 8 * 9 * The above copyright notice and this permission notice shall be included in 10 * all copies or substantial portions of the Software. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 13 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 14 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 15 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 16 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 17 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 18 * DEALINGS IN THE SOFTWARE. 19 */ 20 21 #ifndef __XEN_PUBLIC_HVM_HVM_OP_H__ 22 #define __XEN_PUBLIC_HVM_HVM_OP_H__ 23 24 /* Get/set subcommands: the second argument of the hypercall is a 25 * pointer to a xen_hvm_param struct. */ 26 #define HVMOP_set_param 0 27 #define HVMOP_get_param 1 28 struct xen_hvm_param { 29 domid_t domid; /* IN */ 30 uint32_t index; /* IN */ 31 uint64_t value; /* IN/OUT */ 32 }; 33 DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_param); 34 35 /* Hint from PV drivers for pagetable destruction. */ 36 #define HVMOP_pagetable_dying 9 37 struct xen_hvm_pagetable_dying { 38 /* Domain with a pagetable about to be destroyed. */ 39 domid_t domid; 40 /* guest physical address of the toplevel pagetable dying */ 41 aligned_u64 gpa; 42 }; 43 typedef struct xen_hvm_pagetable_dying xen_hvm_pagetable_dying_t; 44 DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_pagetable_dying_t); 45 46 enum hvmmem_type_t { 47 HVMMEM_ram_rw, /* Normal read/write guest RAM */ 48 HVMMEM_ram_ro, /* Read-only; writes are discarded */ 49 HVMMEM_mmio_dm, /* Reads and write go to the device model */ 50 }; 51 52 #define HVMOP_get_mem_type 15 53 /* Return hvmmem_type_t for the specified pfn. */ 54 struct xen_hvm_get_mem_type { 55 /* Domain to be queried. */ 56 domid_t domid; 57 /* OUT variable. */ 58 uint16_t mem_type; 59 uint16_t pad[2]; /* align next field on 8-byte boundary */ 60 /* IN variable. */ 61 uint64_t pfn; 62 }; 63 DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_get_mem_type); 64 65 #endif /* __XEN_PUBLIC_HVM_HVM_OP_H__ */ 66