Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm into next

[karo-tx-linux.git] / Documentation / virtual / kvm / api.txt

diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
index b4f53653c106d40d648930776e3258278c476932..75f20c6038a9290f801703981d600c9fd5f34796 100644 (file)
--- 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
@@ -2211,6 +2217,8 @@ KVM_S390_SIGP_STOP (vcpu) - sigp restart
 KVM_S390_PROGRAM_INT (vcpu) - program check; code in parm
 KVM_S390_SIGP_SET_PREFIX (vcpu) - sigp set prefix; prefix address in parm
 KVM_S390_RESTART (vcpu) - restart
+KVM_S390_INT_CLOCK_COMP (vcpu) - clock comparator interrupt
+KVM_S390_INT_CPU_TIMER (vcpu) - CPU timer interrupt
 KVM_S390_INT_VIRTIO (vm) - virtio external interrupt; external interrupt
                           parameters in parm and parm64
 KVM_S390_INT_SERVICE (vm) - sclp external interrupt; sclp parameter in parm
@@ -2314,8 +2322,8 @@ struct kvm_create_device {
 
 4.80 KVM_SET_DEVICE_ATTR/KVM_GET_DEVICE_ATTR
 
-Capability: KVM_CAP_DEVICE_CTRL
-Type: device ioctl
+Capability: KVM_CAP_DEVICE_CTRL, KVM_CAP_VM_ATTRIBUTES for vm device
+Type: device ioctl, vm ioctl
 Parameters: struct kvm_device_attr
 Returns: 0 on success, -1 on error
 Errors:
@@ -2340,8 +2348,8 @@ struct kvm_device_attr {
 
 4.81 KVM_HAS_DEVICE_ATTR
 
-Capability: KVM_CAP_DEVICE_CTRL
-Type: device ioctl
+Capability: KVM_CAP_DEVICE_CTRL, KVM_CAP_VM_ATTRIBUTES for vm device
+Type: device ioctl, vm ioctl
 Parameters: struct kvm_device_attr
 Returns: 0 on success, -1 on error
 Errors:
@@ -2376,6 +2384,8 @@ Possible features:
          Depends on KVM_CAP_ARM_PSCI.
        - KVM_ARM_VCPU_EL1_32BIT: Starts the CPU in a 32bit mode.
          Depends on KVM_CAP_ARM_EL1_32BIT (arm64 only).
+       - KVM_ARM_VCPU_PSCI_0_2: Emulate PSCI v0.2 for the CPU.
+         Depends on KVM_CAP_ARM_PSCI_0_2.
 
 
 4.83 KVM_ARM_PREFERRED_TARGET
@@ -2738,6 +2748,21 @@ It gets triggered whenever both KVM_CAP_PPC_EPR are enabled and an
 external interrupt has just been delivered into the guest. User space
 should put the acknowledged interrupt vector into the 'epr' field.
 
+               /* KVM_EXIT_SYSTEM_EVENT */
+               struct {
+#define KVM_SYSTEM_EVENT_SHUTDOWN       1
+#define KVM_SYSTEM_EVENT_RESET          2
+                       __u32 type;
+                       __u64 flags;
+               } system_event;
+
+If exit_reason is KVM_EXIT_SYSTEM_EVENT then the vcpu has triggered
+a system-level event using some architecture specific mechanism (hypercall
+or some special instruction). In case of ARM/ARM64, this is triggered using
+HVC instruction based PSCI call from the vcpu. The 'type' field describes
+the system-level event type. The 'flags' field describes architecture
+specific flags for the system-level event.
+
                /* Fix the size of the union. */
                char padding[256];
        };