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| author | Liu Yu-B13201 <Yu.Liu@freescale.com> | 2012-07-03 05:48:52 +0000 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2012-10-05 23:38:37 +0200 |
| commit | 9202e07636f0c4858ba6c30773a3f160b2b5659a (patch) | |
| tree | 8dc71ab432097c3cfbad47157d66788e02d1f219 /Documentation/virtual | |
| parent | 784bafac79e7646e56f40998a6dde0e1ed5595f8 (diff) | |
| download | blackbird-op-linux-9202e07636f0c4858ba6c30773a3f160b2b5659a.tar.gz blackbird-op-linux-9202e07636f0c4858ba6c30773a3f160b2b5659a.zip | |
KVM: PPC: Add support for ePAPR idle hcall in host kernel
And add a new flag definition in kvm_ppc_pvinfo to indicate
whether the host supports the EV_IDLE hcall.
Signed-off-by: Liu Yu <yu.liu@freescale.com>
[stuart.yoder@freescale.com: cleanup,fixes for conditions allowing idle]
Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com>
[agraf: fix typo]
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'Documentation/virtual')
| -rw-r--r-- | Documentation/virtual/kvm/api.txt | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt index f6ec3a92e621..170afb1fbc2e 100644 --- a/Documentation/virtual/kvm/api.txt +++ b/Documentation/virtual/kvm/api.txt @@ -1194,12 +1194,15 @@ struct kvm_ppc_pvinfo { This ioctl fetches PV specific information that need to be passed to the guest using the device tree or other means from vm context. -For now the only implemented piece of information distributed here is an array -of 4 instructions that make up a hypercall. +The hcall array defines 4 instructions that make up a hypercall. If any additional field gets added to this structure later on, a bit for that additional piece of information will be set in the flags bitmap. +The flags bitmap is defined as: + + /* the host supports the ePAPR idle hcall + #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0) 4.48 KVM_ASSIGN_PCI_DEVICE |
