diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/specs/index.rst | 1 | ||||
| -rw-r--r-- | docs/specs/pvpanic.rst (renamed from docs/specs/pvpanic.txt) | 41 |
2 files changed, 28 insertions, 14 deletions
diff --git a/docs/specs/index.rst b/docs/specs/index.rst index e60c837..52bfab2 100644 --- a/docs/specs/index.rst +++ b/docs/specs/index.rst @@ -27,3 +27,4 @@ guest hardware that is specific to QEMU. vmw_pvscsi-spec edu ivshmem-spec + pvpanic diff --git a/docs/specs/pvpanic.txt b/docs/specs/pvpanic.rst index 8afcde1..f894bc1 100644 --- a/docs/specs/pvpanic.txt +++ b/docs/specs/pvpanic.rst @@ -21,18 +21,21 @@ recognize. On write, the bits not recognized by the device are ignored. Software should set only bits both itself and the device recognize. Bit Definition --------------- -bit 0: a guest panic has happened and should be processed by the host -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. +~~~~~~~~~~~~~~ + +bit 0 + a guest panic has happened and should be processed by the host +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, 1 byte long. Any machine with a PCI bus -can enable a pvpanic device by adding '-device pvpanic-pci' to the command +can enable a pvpanic device by adding ``-device pvpanic-pci`` to the command line. ACPI Interface @@ -40,15 +43,25 @@ ACPI Interface pvpanic device is defined with ACPI ID "QEMU0001". Custom methods: -RDPT: To determine whether guest panic notification is supported. -Arguments: None -Return: Returns a byte, with the same semantics as the I/O port - interface. +RDPT +~~~~ + +To determine whether guest panic notification is supported. + +Arguments + None +Return + Returns a byte, with the same semantics as the I/O port interface. + +WRPT +~~~~ + +To send a guest panic event. -WRPT: To send a guest panic event -Arguments: Arg0 is a byte to be written, with the same semantics as - the I/O interface. -Return: None +Arguments + Arg0 is a byte to be written, with the same semantics as the I/O interface. +Return + None The ACPI device will automatically refer to the right port in case it is modified. |