paul@181 | 1 | #include <l4/re/protocols.h> /* L4RE_PROTO_RM */ |
paul@631 | 2 | #include <systypes/base.h> /* address_t, rm_flags_t, rm_offset_t */ |
paul@181 | 3 | |
paul@546 | 4 | /* A region mapper/manager interface. |
paul@546 | 5 | See: pkg/l4re-core/l4re/util/include/region_mapping_svr_2 */ |
paul@181 | 6 | |
paul@181 | 7 | [protocol(L4RE_PROTO_RM)] |
paul@181 | 8 | interface RegionMapper |
paul@181 | 9 | { |
paul@181 | 10 | /* Attach the memory associated with a dataspace, employing the given start |
paul@181 | 11 | address to search for a suitable address for the region. */ |
paul@181 | 12 | |
paul@419 | 13 | [opcode(0)] void attach(inout address_t start, in address_t size, |
paul@631 | 14 | in rm_flags_t flags, in cap ds, |
paul@631 | 15 | in rm_offset_t offset, in unsigned char align); |
paul@181 | 16 | |
paul@181 | 17 | /* Detach memory from the task, searching from the given address for a region |
paul@561 | 18 | of the given size. Return the start address, region size and dataspace. |
paul@561 | 19 | Note that the dataspace is returned as an index, not an actual capability. |
paul@561 | 20 | |
paul@561 | 21 | See: pkg/l4re-core/l4re/include/rm |
paul@561 | 22 | See: pkg/l4re-core/l4sys/include/cxx/ipc_iface |
paul@561 | 23 | |
paul@561 | 24 | This is not obvious from the L4Re definitions and the IPC type system. */ |
paul@181 | 25 | |
paul@419 | 26 | [opcode(1)] void detach(in address_t addr, in address_t size, |
paul@631 | 27 | in rm_flags_t flags, out address_t start, |
paul@561 | 28 | out address_t rsize, out l4_cap_idx_t ds); |
paul@181 | 29 | |
paul@181 | 30 | /* Find a region starting from the given address and having the given size. |
paul@181 | 31 | Return the start address, region size and dataspace. */ |
paul@181 | 32 | |
paul@419 | 33 | [opcode(2)] void find(inout address_t addr, inout address_t size, |
paul@631 | 34 | out rm_flags_t flags, out rm_offset_t offset, |
paul@181 | 35 | out cap ds); |
paul@181 | 36 | |
paul@181 | 37 | /* Reserve an area in the region map. */ |
paul@181 | 38 | |
paul@419 | 39 | [opcode(3)] void reserve_area(inout address_t start, in address_t size, |
paul@631 | 40 | in rm_flags_t flags, in unsigned char align); |
paul@181 | 41 | |
paul@181 | 42 | /* Free (or unreserve) an area in the region map. */ |
paul@181 | 43 | |
paul@181 | 44 | [opcode(4)] void free_area(in address_t addr); |
paul@181 | 45 | |
paul@181 | 46 | /* Currently not fully supported by the interface generator... |
paul@181 | 47 | |
paul@181 | 48 | [opcode(5)] void get_regions(in address_t start, out Region[] regions); |
paul@181 | 49 | |
paul@181 | 50 | [opcode(6)] void get_areas(in address_t start, out Area[] areas); |
paul@181 | 51 | |
paul@181 | 52 | See pkg/l4re-core/l4re/include/rm for the Region and Area structures. */ |
paul@181 | 53 | }; |