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authorPaolo Bonzini <pbonzini@redhat.com>2017-02-09 16:01:23 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2017-02-09 16:01:23 +0100
commit2e751dfb5ffd20d1a31837dbc9718741df69bffe (patch)
tree8b7e0e47cf0ef4efda0f1090f0ccbbeb17e5a085 /Documentation/virtual/kvm
parenta0e136d436ded817c0aade72efdefa56a00b4e5e (diff)
parent7b6b46311a8562fb3a9e035ed6ffab6d49c28886 (diff)
downloadlinux-2e751dfb5ffd20d1a31837dbc9718741df69bffe.tar.bz2
Merge tag 'kvmarm-for-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
kvmarm updates for 4.11 - GICv3 save restore - Cache flushing fixes - MSI injection fix for GICv3 ITS - Physical timer emulation support
Diffstat (limited to 'Documentation/virtual/kvm')
-rw-r--r--Documentation/virtual/kvm/devices/arm-vgic-v3.txt11
1 files changed, 8 insertions, 3 deletions
diff --git a/Documentation/virtual/kvm/devices/arm-vgic-v3.txt b/Documentation/virtual/kvm/devices/arm-vgic-v3.txt
index 9348b3caccd7..c1a24612c198 100644
--- a/Documentation/virtual/kvm/devices/arm-vgic-v3.txt
+++ b/Documentation/virtual/kvm/devices/arm-vgic-v3.txt
@@ -118,7 +118,7 @@ Groups:
-EBUSY: One or more VCPUs are running
- KVM_DEV_ARM_VGIC_CPU_SYSREGS
+ KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS
Attributes:
The attr field of kvm_device_attr encodes two values:
bits: | 63 .... 32 | 31 .... 16 | 15 .... 0 |
@@ -139,13 +139,15 @@ Groups:
All system regs accessed through this API are (rw, 64-bit) and
kvm_device_attr.addr points to a __u64 value.
- KVM_DEV_ARM_VGIC_CPU_SYSREGS accesses the CPU interface registers for the
+ KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS accesses the CPU interface registers for the
CPU specified by the mpidr field.
+ CPU interface registers access is not implemented for AArch32 mode.
+ Error -ENXIO is returned when accessed in AArch32 mode.
Errors:
-ENXIO: Getting or setting this register is not yet supported
-EBUSY: VCPU is running
- -EINVAL: Invalid mpidr supplied
+ -EINVAL: Invalid mpidr or register value supplied
KVM_DEV_ARM_VGIC_GRP_NR_IRQS
@@ -204,3 +206,6 @@ Groups:
architecture defined MPIDR, and the field is encoded as follows:
| 63 .... 56 | 55 .... 48 | 47 .... 40 | 39 .... 32 |
| Aff3 | Aff2 | Aff1 | Aff0 |
+ Errors:
+ -EINVAL: vINTID is not multiple of 32 or
+ info field is not VGIC_LEVEL_INFO_LINE_LEVEL