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authorLiu Yu-B13201 <Yu.Liu@freescale.com>2012-07-03 09:48:52 +0400
committerAlexander Graf <agraf@suse.de>2012-10-06 01:38:37 +0400
commit9202e07636f0c4858ba6c30773a3f160b2b5659a (patch)
tree8dc71ab432097c3cfbad47157d66788e02d1f219 /Documentation/virtual
parent784bafac79e7646e56f40998a6dde0e1ed5595f8 (diff)
downloadlinux-9202e07636f0c4858ba6c30773a3f160b2b5659a.tar.xz
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.txt7
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