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doc,xen: document hypervisor sysfs nodes for xen

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Today only a few sysfs nodes under /sys/hypervisor/ are documented
for Xen in Documentation/ABI/testing/sysfs-hypervisor-pmu.

Add the remaining Xen sysfs nodes under /sys/hypervisor/ in a new
file Documentation/ABI/stable/sysfs-hypervisor-xen and add the Xen
specific sysfs docs to the MAINTAINERS file.

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
This commit is contained in:
Juergen Gross 2017-06-14 19:23:49 +02:00
parent ae03900105
commit db98522077
2 changed files with 121 additions and 0 deletions
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119
Documentation/ABI/stable/sysfs-hypervisor-xen Normal file
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What: /sys/hypervisor/compilation/compile_date
Date: March 2009
KernelVersion: 2.6.30
Contact: xen-devel@lists.xenproject.org
Description: If running under Xen:
Contains the build time stamp of the Xen hypervisor
Might return "<denied>" in case of special security settings
in the hypervisor.
What: /sys/hypervisor/compilation/compiled_by
Date: March 2009
KernelVersion: 2.6.30
Contact: xen-devel@lists.xenproject.org
Description: If running under Xen:
Contains information who built the Xen hypervisor
Might return "<denied>" in case of special security settings
in the hypervisor.
What: /sys/hypervisor/compilation/compiler
Date: March 2009
KernelVersion: 2.6.30
Contact: xen-devel@lists.xenproject.org
Description: If running under Xen:
Compiler which was used to build the Xen hypervisor
Might return "<denied>" in case of special security settings
in the hypervisor.
What: /sys/hypervisor/properties/capabilities
Date: March 2009
KernelVersion: 2.6.30
Contact: xen-devel@lists.xenproject.org
Description: If running under Xen:
Space separated list of supported guest system types. Each type
is in the format: <class>-<major>.<minor>-<arch>
With:
<class>: "xen" -- x86: paravirtualized, arm: standard
"hvm" -- x86 only: fully virtualized
<major>: major guest interface version
<minor>: minor guest interface version
<arch>: architecture, e.g.:
"x86_32": 32 bit x86 guest without PAE
"x86_32p": 32 bit x86 guest with PAE
"x86_64": 64 bit x86 guest
"armv7l": 32 bit arm guest
"aarch64": 64 bit arm guest
What: /sys/hypervisor/properties/changeset
Date: March 2009
KernelVersion: 2.6.30
Contact: xen-devel@lists.xenproject.org
Description: If running under Xen:
Changeset of the hypervisor (git commit)
Might return "<denied>" in case of special security settings
in the hypervisor.
What: /sys/hypervisor/properties/features
Date: March 2009
KernelVersion: 2.6.30
Contact: xen-devel@lists.xenproject.org
Description: If running under Xen:
Features the Xen hypervisor supports for the guest as defined
in include/xen/interface/features.h printed as a hex value.
What: /sys/hypervisor/properties/pagesize
Date: March 2009
KernelVersion: 2.6.30
Contact: xen-devel@lists.xenproject.org
Description: If running under Xen:
Default page size of the hypervisor printed as a hex value.
Might return "0" in case of special security settings
in the hypervisor.
What: /sys/hypervisor/properties/virtual_start
Date: March 2009
KernelVersion: 2.6.30
Contact: xen-devel@lists.xenproject.org
Description: If running under Xen:
Virtual address of the hypervisor as a hex value.
What: /sys/hypervisor/type
Date: March 2009
KernelVersion: 2.6.30
Contact: xen-devel@lists.xenproject.org
Description: If running under Xen:
Type of hypervisor:
"xen": Xen hypervisor
What: /sys/hypervisor/uuid
Date: March 2009
KernelVersion: 2.6.30
Contact: xen-devel@lists.xenproject.org
Description: If running under Xen:
UUID of the guest as known to the Xen hypervisor.
What: /sys/hypervisor/version/extra
Date: March 2009
KernelVersion: 2.6.30
Contact: xen-devel@lists.xenproject.org
Description: If running under Xen:
The Xen version is in the format <major>.<minor><extra>
This is the <extra> part of it.
Might return "<denied>" in case of special security settings
in the hypervisor.
What: /sys/hypervisor/version/major
Date: March 2009
KernelVersion: 2.6.30
Contact: xen-devel@lists.xenproject.org
Description: If running under Xen:
The Xen version is in the format <major>.<minor><extra>
This is the <major> part of it.
What: /sys/hypervisor/version/minor
Date: March 2009
KernelVersion: 2.6.30
Contact: xen-devel@lists.xenproject.org
Description: If running under Xen:
The Xen version is in the format <major>.<minor><extra>
This is the <minor> part of it.

2
MAINTAINERS
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@ -13983,6 +13983,8 @@ F: drivers/xen/
F: arch/x86/include/asm/xen/
F: include/xen/
F: include/uapi/xen/
F: Documentation/ABI/stable/sysfs-hypervisor-xen
F: Documentation/ABI/testing/sysfs-hypervisor-pmu
XEN HYPERVISOR ARM
M: Stefano Stabellini <sstabellini@kernel.org>