diff options
| -rw-r--r-- | README.md | 26 |
1 files changed, 16 insertions, 10 deletions
@@ -8,10 +8,9 @@ The following command builds the host and guest Linux kernel, qemu and ovmf bios # git clone https://github.com/AMDESE/AMDSEV.git
# git checkout sev-snp-devel
# ./build.sh --package
-# sudo dpkg -ivh linux-image*.deb
# sudo cp kvm.conf /etc/modprobe.d/
````
-On succesful build, the binaries will be available in snp-release-<DATE>.
+On succesful build, the binaries will be available in `snp-release-<DATE>`.
## Prepare Host
@@ -22,9 +21,9 @@ Verify that the following BIOS settings are enabled. The setting may vary based SEV-ES ASID space Limit Control -> Manual
SEV-ES ASID space limit -> 100
SNP Memory Coverage -> Enabled
- SMEE → Enabled
- → NBIO common →
- SEV-SNP → Enabled
+ SMEE -> Enabled
+ -> NBIO common ->
+ SEV-SNP -> Enabled
```
Run the following command to install the Linux kernel on the host machine.
@@ -36,7 +35,7 @@ Run the following command to install the Linux kernel on the host machine. Reboot the machine and choose SNP Host kernel from the grub menu.
-Run the following command to verify that SNP is enabled in the host.
+Run the following commands to verify that SNP is enabled in the host.
````
# uname -r
@@ -57,11 +56,11 @@ Y ````
-*NOTE: If you SEV-SNP firmware is olader than 1.40 then see the "Upgrade SEV firmware" section to upgrade the firmware. *
+*NOTE: If your SEV-SNP firmware is older than 1.51, see the "Upgrade SEV firmware" section to upgrade the firmware. *
## Prepare Guest
-Boot up the Ubuntu 20.04 guest and install the kernel package built in the previous step. The guest kernel package is available in 'snp-release-<DATE>/linux/guest' directory.
+Boot up a guest (tested with Ubuntu 18.04 and 20.04, but any standard *.deb or *.rpm-based distro should work) and install the guest kernel packages built in the previous step. The guest kernel packages are available in 'snp-release-<DATE>/linux/guest' directory.
## Launch SNP Guest
@@ -89,9 +88,16 @@ Follow the below step to upgrade to latest firmware # wget https://developer.amd.com/wp-content/resources/amd_sev_fam19h_model0xh_1.2A.2A.zip
# unzip amd_sev_fam19h_model0xh_1.2A.2A.zip
# sudo mkdir -p /lib/firmware/amd
-# sudo cp amd_sev_fam19h_model0xh_1.2A.2A.sbin /lib/firmware/amd/amd as amd_sev_fam19h_model0xh.bin
+# sudo cp amd_sev_fam19h_model0xh_1.2A.2A.sbin /lib/firmware/amd/amd_sev_fam19h_model0xh.sbin
+```
+Then either reboot the host, or reload the ccp driver to complete the firmware upgrade process:
+
+```
+sudo rmmod kvm_amd
+sudo rmmod ccp
+sudo modprobe ccp
+sudo modprobe kvm_amd
```
-Either reboot the host or reload the ccp driver to complete the firmware upgrade process.
## Reference
|