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[v7,02/24] KVM: arm/arm64: Add GICV3 pending table save API documentation

Message ID 1494084283-12723-3-git-send-email-eric.auger@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Eric Auger May 6, 2017, 3:24 p.m. UTC 
Add description for how to save GICV3 LPI pending bit into
guest RAM pending tables.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Acked-by: Christoffer Dall <cdall@linaro.org>

---
v6 -> v7:
- Added Christoffer's A-b

v5: creation
---
 Documentation/virtual/kvm/devices/arm-vgic-v3.txt | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Marc Zyngier May 7, 2017, 11:56 a.m. UTC | #1 
On Sat, May 06 2017 at  4:24:21 pm BST, Eric Auger <eric.auger@redhat.com> wrote:
> Add description for how to save GICV3 LPI pending bit into
> guest RAM pending tables.
>
> Signed-off-by: Eric Auger <eric.auger@redhat.com>
> Acked-by: Christoffer Dall <cdall@linaro.org>

Acked-by: Marc Zyngier <marc.zyngier@arm.com>

	M.
diff mbox

Patch

diff --git a/Documentation/virtual/kvm/devices/arm-vgic-v3.txt b/Documentation/virtual/kvm/devices/arm-vgic-v3.txt
index c1a2461..9293b45 100644
--- a/Documentation/virtual/kvm/devices/arm-vgic-v3.txt
+++ b/Documentation/virtual/kvm/devices/arm-vgic-v3.txt
@@ -167,11 +167,17 @@  Groups:
     KVM_DEV_ARM_VGIC_CTRL_INIT
       request the initialization of the VGIC, no additional parameter in
       kvm_device_attr.addr.
+    KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES
+      save all LPI pending bits into guest RAM pending tables.
+
+      The first kB of the pending table is not altered by this operation.
   Errors:
     -ENXIO: VGIC not properly configured as required prior to calling
      this attribute
     -ENODEV: no online VCPU
     -ENOMEM: memory shortage when allocating vgic internal data
+    -EFAULT: Invalid guest ram access
+    -EBUSY:  One or more VCPUS are running
 
 
   KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO