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| author |   Scott Wood <scottwood@freescale.com> | 2012-01-11 13:37:35 +0000 |
|---|---|---|
| committer |   Avi Kivity <avi@redhat.com> | 2012-03-05 14:52:41 +0200 |
| commit | 54f65795c8f6e192540756085d738e66ab0917a0 (patch) | |
| tree | 3efd1dd71cbc7cf8861bdfb3aa1dc89c62a40c16 /Documentation/virtual | |
| parent | KVM: PPC: Rename MMIO register identifiers (diff) | |
| download | linux-dev-54f65795c8f6e192540756085d738e66ab0917a0.tar.xz linux-dev-54f65795c8f6e192540756085d738e66ab0917a0.zip | |
KVM: PPC: refer to paravirt docs in header file
Instead of keeping separate copies of struct kvm_vcpu_arch_shared (one in
the code, one in the docs) that inevitably fail to be kept in sync
(already sr[] is missing from the doc version), just point to the header
file as the source of documentation on the contents of the magic page.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'Documentation/virtual')
| -rw-r--r-- | Documentation/virtual/kvm/ppc-pv.txt | 24 |
1 files changed, 2 insertions, 22 deletions
diff --git a/Documentation/virtual/kvm/ppc-pv.txt b/Documentation/virtual/kvm/ppc-pv.txt index 2b7ce190cde4..6e7c37050930 100644 --- a/Documentation/virtual/kvm/ppc-pv.txt +++ b/Documentation/virtual/kvm/ppc-pv.txt @@ -81,28 +81,8 @@ additional registers to the magic page. If you add fields to the magic page, also define a new hypercall feature to indicate that the host can give you more registers. Only if the host supports the additional features, make use of them. -The magic page has the following layout as described in -arch/powerpc/include/asm/kvm_para.h: - -struct kvm_vcpu_arch_shared { - __u64 scratch1; - __u64 scratch2; - __u64 scratch3; - __u64 critical; /* Guest may not get interrupts if == r1 */ - __u64 sprg0; - __u64 sprg1; - __u64 sprg2; - __u64 sprg3; - __u64 srr0; - __u64 srr1; - __u64 dar; - __u64 msr; - __u32 dsisr; - __u32 int_pending; /* Tells the guest if we have an interrupt */ -}; - -Additions to the page must only occur at the end. Struct fields are always 32 -or 64 bit aligned, depending on them being 32 or 64 bit wide respectively. +The magic page layout is described by struct kvm_vcpu_arch_shared +in arch/powerpc/include/asm/kvm_para.h. Magic page features =================== |