kvm/arm/hypercalls.rst

1 .. SPDX-License-Identifier: GPL-2.0
4 KVM/arm64-specific hypercalls exposed to guests
7 This file documents the KVM/arm64-specific hypercalls which may be
14 All KVM/arm64-specific hypercalls are allocated within the "Vendor
16 ``28b46fb6-2ec5-11e9-a9ca-4b564d003a74``. This UID should be queried by the
18 order to determine that the KVM/arm64-specific hypercalls are available.
21 ---------------------------------------------
25 +---------------------+-------------------------------------------------------------+
27 +---------------------+-------------------------------------------------------------+
29 +---------------------+----------+--------------------------------------------------+
31 +---------------------+----------+--------------------------------------------------+
33 +---------------------+----------+----+---------------------------------------------+
34 | Return Values:      | (uint32) | R0 | Bitmap of available function numbers 0-31   |
35 |                     +----------+----+---------------------------------------------+
36 |                     | (uint32) | R1 | Bitmap of available function numbers 32-63  |
37 |                     +----------+----+---------------------------------------------+
38 |                     | (uint32) | R2 | Bitmap of available function numbers 64-95  |
39 |                     +----------+----+---------------------------------------------+
40 |                     | (uint32) | R3 | Bitmap of available function numbers 96-127 |
41 +---------------------+----------+----+---------------------------------------------+
44 ----------------------------------------
49 ----------------------------------
53 +---------------------+-------------------------------------------------------------+
55 +---------------------+-------------------------------------------------------------+
57 +---------------------+----------+--------------------------------------------------+
59 +---------------------+----------+----+---------------------------------------------+
61 |                     +----------+----+---------------------------------------------+
63 |                     +----------+----+---------------------------------------------+
65 +---------------------+----------+----+---------------------------------------------+
66 | Return Values:      | (int64)  | R0 | ``INVALID_PARAMETER (-3)`` on error, else   |
68 +---------------------+----------+----+---------------------------------------------+
71 --------------------------------
77 +---------------------+-------------------------------------------------------------+
79 +---------------------+-------------------------------------------------------------+
81 +---------------------+----------+--------------------------------------------------+
83 +---------------------+----------+----+---------------------------------------------+
85 |                     +----------+----+---------------------------------------------+
87 |                     +----------+----+---------------------------------------------+
89 +---------------------+----------+----+---------------------------------------------+
91 |                     |          |    +---------------------------------------------+
92 |                     |          |    | ``INVALID_PARAMETER (-3)``                  |
93 +---------------------+----------+----+---------------------------------------------+
96 ----------------------------------
102 +---------------------+-------------------------------------------------------------+
104 +---------------------+-------------------------------------------------------------+
106 +---------------------+----------+--------------------------------------------------+
108 +---------------------+----------+----+---------------------------------------------+
110 |                     +----------+----+---------------------------------------------+
112 |                     +----------+----+---------------------------------------------+
114 +---------------------+----------+----+---------------------------------------------+
116 |                     |          |    +---------------------------------------------+
117 |                     |          |    | ``INVALID_PARAMETER (-3)``                  |
118 +---------------------+----------+----+---------------------------------------------+
121 ----------------------------------
128 +---------------------+-------------------------------------------------------------+
130 +---------------------+-------------------------------------------------------------+
132 +---------------------+----------+--------------------------------------------------+
134 +---------------------+----------+----+---------------------------------------------+
136 |                     +----------+----+---------------------------------------------+
138 |                     +----------+----+---------------------------------------------+
140 +---------------------+----------+----+---------------------------------------------+
142 |                     |          |    +---------------------------------------------+
143 |                     |          |    | ``INVALID_PARAMETER (-3)``                  |
144 +---------------------+----------+----+---------------------------------------------+