projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| abcbbb14 AP |
1 | /** @file\r |
| 2 | Functions declarations to make Xen hypercalls.\r | |
| 3 | \r | |
| 4 | Copyright (C) 2014, Citrix Ltd.\r | |
| 5 | \r | |
| 6 | This program and the accompanying materials\r | |
| 7 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 8 | which accompanies this distribution. The full text of the license may be found at\r | |
| 9 | http://opensource.org/licenses/bsd-license.php\r | |
| 10 | \r | |
| 11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 13 | \r | |
| 14 | **/\r | |
| 15 | \r | |
| cd8ff8fd AB |
16 | #ifndef __XEN_HYPERCALL_LIB_H__\r |
| 17 | #define __XEN_HYPERCALL_LIB_H__\r | |
| abcbbb14 | 18 | \r |
| abcbbb14 AP |
19 | /**\r |
| 20 | This function will put the two arguments in the right place (registers) and\r | |
| bbc3758a | 21 | invoke the hypercall identified by HypercallID.\r |
| abcbbb14 | 22 | \r |
| bbc3758a | 23 | @param HypercallID The symbolic ID of the hypercall to be invoked\r |
| abcbbb14 AP |
24 | @param Arg1 First argument.\r |
| 25 | @param Arg2 Second argument.\r | |
| 26 | \r | |
| 27 | @return Return 0 if success otherwise it return an errno.\r | |
| 28 | **/\r | |
| 29 | INTN\r | |
| 30 | EFIAPI\r | |
| 31 | XenHypercall2 (\r | |
| cd8ff8fd AB |
32 | IN UINTN HypercallID,\r |
| 33 | IN OUT INTN Arg1,\r | |
| 34 | IN OUT INTN Arg2\r | |
| abcbbb14 AP |
35 | );\r |
| 36 | \r | |
| 37 | /**\r | |
| 38 | Return the value of the HVM parameter Index.\r | |
| 39 | \r | |
| abcbbb14 AP |
40 | @param Index The parameter to get, e.g. HVM_PARAM_STORE_EVTCHN.\r |
| 41 | \r | |
| 42 | @return The value of the asked parameter or 0 in case of error.\r | |
| 43 | **/\r | |
| 44 | UINT64\r | |
| 45 | XenHypercallHvmGetParam (\r | |
| cec6ad0a | 46 | UINT32 Index\r |
| abcbbb14 AP |
47 | );\r |
| 48 | \r | |
| 49 | /**\r | |
| 50 | Hypercall to do different operation on the memory.\r | |
| 51 | \r | |
| abcbbb14 AP |
52 | @param Operation The operation number, e.g. XENMEM_add_to_physmap.\r |
| 53 | @param Arguments The arguments associated to the operation.\r | |
| 54 | \r | |
| 55 | @return Return the return value from the hypercall, 0 in case of success\r | |
| 56 | otherwise, an error code.\r | |
| 57 | **/\r | |
| 58 | INTN\r | |
| 59 | XenHypercallMemoryOp (\r | |
| abcbbb14 AP |
60 | IN UINTN Operation,\r |
| 61 | IN OUT VOID *Arguments\r | |
| 62 | );\r | |
| 63 | \r | |
| 64 | /**\r | |
| 65 | Do an operation on the event channels.\r | |
| 66 | \r | |
| abcbbb14 AP |
67 | @param Operation The operation number, e.g. EVTCHNOP_send.\r |
| 68 | @param Arguments The argument associated to the operation.\r | |
| 69 | \r | |
| 70 | @return Return the return value from the hypercall, 0 in case of success\r | |
| 71 | otherwise, an error code.\r | |
| 72 | **/\r | |
| 73 | INTN\r | |
| 74 | XenHypercallEventChannelOp (\r | |
| abcbbb14 AP |
75 | IN INTN Operation,\r |
| 76 | IN OUT VOID *Arguments\r | |
| 77 | );\r | |
| 78 | \r | |
| abcbbb14 | 79 | #endif\r |