[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH 5/6] pvpanic : update pvpanic document
From: |
Mihai Carabas |
Subject: |
[PATCH 5/6] pvpanic : update pvpanic document |
Date: |
Wed, 28 Oct 2020 15:32:58 +0200 |
From: Peng Hao <peng.hao2@zte.com.cn>
Add mmio mode as a pci device support info in docs/specs/pvpanic.txt.
Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>
Signed-off-by: Mihai Carabas <mihai.carabas@oracle.com>
---
docs/specs/pvpanic.txt | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/docs/specs/pvpanic.txt b/docs/specs/pvpanic.txt
index a90fbca..4258922 100644
--- a/docs/specs/pvpanic.txt
+++ b/docs/specs/pvpanic.txt
@@ -1,7 +1,7 @@
PVPANIC DEVICE
==============
-pvpanic device is a simulated ISA device, through which a guest panic
+pvpanic device is a simulated device, through which a guest panic
event is sent to qemu, and a QMP event is generated. This allows
management apps (e.g. libvirt) to be notified and respond to the event.
@@ -9,6 +9,9 @@ The management app has the option of waiting for GUEST_PANICKED
events,
and/or polling for guest-panicked RunState, to learn when the pvpanic
device has fired a panic event.
+The pvpanic device can be implemented as an ISA device (using IOPORT),
+or, since qemu 4.0, as a PCI device.
+
ISA Interface
-------------
@@ -24,6 +27,13 @@ bit 1: a guest panic has happened and will be handled by the
guest;
the host should record it or report it, but should not affect
the execution of the guest.
+PCI Interface
+-------------
+
+The PCI interface is similar to the ISA interface except that it uses an MMIO
+address space provided by its BAR0. For example, the arm virt machine may
+enable a pvpanic device by adding '-device pvpanic-pci' to the command line.
+
ACPI Interface
--------------
--
1.8.3.1
- [PATCH] Add support for pvpanic pci device, Mihai Carabas, 2020/10/28
- [PATCH 6/6] pvpanic: break dependency on ISA_BUS adding PCI, Mihai Carabas, 2020/10/28
- [PATCH 1/6] hw/misc/pvpanic: Build the pvpanic device for any machine, Mihai Carabas, 2020/10/28
- [PATCH 4/6] hw/arm/virt: Use the pvpanic pci device, Mihai Carabas, 2020/10/28
- [PATCH 3/6] hw/misc/pvpanic: Add the PCI interface, Mihai Carabas, 2020/10/28
- [PATCH 5/6] pvpanic : update pvpanic document,
Mihai Carabas <=
- [PATCH 2/6] hw/misc/pvpanic: Cosmetic renaming, Mihai Carabas, 2020/10/28
- Re: [PATCH] Add support for pvpanic pci device, Mihai Carabas, 2020/10/29