diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2021-06-23 05:43:45 -0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-06-23 07:30:41 -0400 |
| commit | c3ab0e28a437c213e5e2c1d890f3891b6952b9ca (patch) | |
| tree | 8246e6614acd941b07c0925dea03b97f3ae1f3a7 /Documentation/virt | |
| parent | ba1f82456ba8438a8abc96274d57bfe76d34a4a8 (diff) | |
| parent | 51696f39cbee5bb684e7959c0c98b5f54548aa34 (diff) | |
Merge branch 'topic/ppc-kvm' of https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux into HEAD
- Support for the H_RPT_INVALIDATE hypercall
- Conversion of Book3S entry/exit to C
- Bug fixes
Diffstat (limited to 'Documentation/virt')
| -rw-r--r-- | Documentation/virt/kvm/amd-memory-encryption.rst | 2 | ||||
| -rw-r--r-- | Documentation/virt/kvm/api.rst | 18 |
2 files changed, 19 insertions, 1 deletions
diff --git a/Documentation/virt/kvm/amd-memory-encryption.rst b/Documentation/virt/kvm/amd-memory-encryption.rst index 5ec8a1902e15..5c081c8c7164 100644 --- a/Documentation/virt/kvm/amd-memory-encryption.rst +++ b/Documentation/virt/kvm/amd-memory-encryption.rst @@ -22,7 +22,7 @@ to SEV:: [ecx]: Bits[31:0] Number of encrypted guests supported simultaneously -If support for SEV is present, MSR 0xc001_0010 (MSR_K8_SYSCFG) and MSR 0xc001_0015 +If support for SEV is present, MSR 0xc001_0010 (MSR_AMD64_SYSCFG) and MSR 0xc001_0015 (MSR_K7_HWCR) can be used to determine if it can be enabled:: 0xc001_0010: diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst index e328caa35d6c..dd3fe231e435 100644 --- a/Documentation/virt/kvm/api.rst +++ b/Documentation/virt/kvm/api.rst @@ -6410,6 +6410,24 @@ default. See Documentation/x86/sgx/2.Kernel-internals.rst for more details. +7.26 KVM_CAP_PPC_RPT_INVALIDATE +------------------------------- + +:Capability: KVM_CAP_PPC_RPT_INVALIDATE +:Architectures: ppc +:Type: vm + +This capability indicates that the kernel is capable of handling +H_RPT_INVALIDATE hcall. + +In order to enable the use of H_RPT_INVALIDATE in the guest, +user space might have to advertise it for the guest. For example, +IBM pSeries (sPAPR) guest starts using it if "hcall-rpt-invalidate" is +present in the "ibm,hypertas-functions" device-tree property. + +This capability is enabled for hypervisors on platforms like POWER9 +that support radix MMU. + 8. Other capabilities. ====================== |