Lines Matching +full:boot +full:- +full:enabled
1 .. SPDX-License-Identifier: GPL-2.0
19 memory. Private memory is encrypted with the guest-specific key, while shared
20 memory may be encrypted with hypervisor key. When SME is enabled, the hypervisor
36 When SEV is enabled, instruction pages and guest page tables are always treated
39 is operating in 64-bit or 32-bit PAE mode, in all other modes the SEV hardware
52 memory encryption is enabled (this only affects
57 determine if SME is enabled and/or to enable memory encryption::
61 1 = memory encryption features are enabled
78 - Supported:
81 - Enabled:
84 - Active:
85 Supported, Enabled and the Linux kernel is actively applying
87 kernel is non-zero).
89 SME can also be enabled and activated in the BIOS. If SME is enabled and
94 then memory encryption can be enabled by supplying mem_encrypt=on on the
102 SEV-SNP introduces new features (SEV_FEATURES[1:63]) which can be enabled
108 +-----------------+---------------+---------------+------------------+
109 | Feature Enabled | Guest needs | Guest has | Guest boot |
112 | No | No | No | Boot |
114 +-----------------+---------------+---------------+------------------+
115 | No | Yes | No | Boot |
117 +-----------------+---------------+---------------+------------------+
118 | No | Yes | Yes | Boot |
120 +-----------------+---------------+---------------+------------------+
121 | Yes | No | No | Boot with |
122 | | | | feature enabled |
123 +-----------------+---------------+---------------+------------------+
124 | Yes | Yes | No | Graceful boot |
126 +-----------------+---------------+---------------+------------------+
127 | Yes | Yes | Yes | Boot with |
128 | | | | feature enabled |
129 +-----------------+---------------+---------------+------------------+
136 The RMP is a structure in system memory that is used to ensure a one-to-one
145 --------------
147 Support for this form of the RMP is present when support for SEV-SNP is
151 Bit[4] indicates support for SEV-SNP
167 SEV-SNP guests. The RMP covers the system physical address from::
169 0 to ((RMP_END + 1 - RMP_BASE - 16KB) / 16B) x 4KB.
174 cover all of system memory in order for Linux to enable SEV-SNP.
177 -------------
209 Bit[0] indicates if segmented RMP is enabled
221 When a segmented RMP is enabled, RMP_BASE points to the RMP bookkeeping
224 segment table (RST). Each entry in the RST is 8-bytes in size and represents
232 This address is left shift 20-bits (or just masked when
245 SEV-SNP.
270 with it is documented in "Secure VM Service Module for SEV-SNP Guests", docID:
273 (Latest versions of the above-mentioned documents can be found by using
276 site:amd.com "Secure VM Service Module for SEV-SNP Guests", docID: 58019