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| author | Paolo Bonzini <pbonzini@redhat.com> | 2014-05-30 14:51:40 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-05-30 14:51:40 +0200 |
| commit | 53ea2e462e1b5b898d244bb113993df709107e32 (patch) | |
| tree | 6ed864c3915eb9f2595e9103926bb94c3e92e1c8 /Documentation/virtual | |
| parent | ee1a725f449d6e631405755f16f3c60c49e8fec5 (diff) | |
| parent | d8d164a9850d486cc48081c18831680254688d0f (diff) | |
| download | linux-53ea2e462e1b5b898d244bb113993df709107e32.tar.gz linux-53ea2e462e1b5b898d244bb113993df709107e32.tar.bz2 linux-53ea2e462e1b5b898d244bb113993df709107e32.zip | |
Merge tag 'signed-kvm-ppc-next' of git://github.com/agraf/linux-2.6 into kvm-next
Patch queue for ppc - 2014-05-30
In this round we have a few nice gems. PR KVM gains initial POWER8 support
as well as LE host awareness, ihe e500 targets can now properly run u-boot,
LE guests now work with PR KVM including KVM hypercalls and HV KVM guests
can now use huge pages.
On top of this there are some bug fixes.
Conflicts:
include/uapi/linux/kvm.h
Diffstat (limited to 'Documentation/virtual')
| -rw-r--r-- | Documentation/virtual/kvm/api.txt | 6 | ||||
| -rw-r--r-- | Documentation/virtual/kvm/ppc-pv.txt | 14 |
2 files changed, 20 insertions, 0 deletions
diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt index cac0ba127576..6ff3a7742989 100644 --- a/Documentation/virtual/kvm/api.txt +++ b/Documentation/virtual/kvm/api.txt @@ -1794,6 +1794,11 @@ registers, find a list below: PPC | KVM_REG_PPC_MMCR0 | 64 PPC | KVM_REG_PPC_MMCR1 | 64 PPC | KVM_REG_PPC_MMCRA | 64 + PPC | KVM_REG_PPC_MMCR2 | 64 + PPC | KVM_REG_PPC_MMCRS | 64 + PPC | KVM_REG_PPC_SIAR | 64 + PPC | KVM_REG_PPC_SDAR | 64 + PPC | KVM_REG_PPC_SIER | 64 PPC | KVM_REG_PPC_PMC1 | 32 PPC | KVM_REG_PPC_PMC2 | 32 PPC | KVM_REG_PPC_PMC3 | 32 @@ -1868,6 +1873,7 @@ registers, find a list below: PPC | KVM_REG_PPC_PPR | 64 PPC | KVM_REG_PPC_ARCH_COMPAT 32 PPC | KVM_REG_PPC_DABRX | 32 + PPC | KVM_REG_PPC_WORT | 64 PPC | KVM_REG_PPC_TM_GPR0 | 64 ... PPC | KVM_REG_PPC_TM_GPR31 | 64 diff --git a/Documentation/virtual/kvm/ppc-pv.txt b/Documentation/virtual/kvm/ppc-pv.txt index 4643cde517c4..319560646f32 100644 --- a/Documentation/virtual/kvm/ppc-pv.txt +++ b/Documentation/virtual/kvm/ppc-pv.txt @@ -94,10 +94,24 @@ a bitmap of available features inside the magic page. The following enhancements to the magic page are currently available: KVM_MAGIC_FEAT_SR Maps SR registers r/w in the magic page + KVM_MAGIC_FEAT_MAS0_TO_SPRG7 Maps MASn, ESR, PIR and high SPRGs For enhanced features in the magic page, please check for the existence of the feature before using them! +Magic page flags +================ + +In addition to features that indicate whether a host is capable of a particular +feature we also have a channel for a guest to tell the guest whether it's capable +of something. This is what we call "flags". + +Flags are passed to the host in the low 12 bits of the Effective Address. + +The following flags are currently available for a guest to expose: + + MAGIC_PAGE_FLAG_NOT_MAPPED_NX Guest handles NX bits correclty wrt magic page + MSR bits ======== |