diff options
Diffstat (limited to 'Documentation/virtual/kvm')
| -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 f6ec3a92e62..170afb1fbc2 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 |