docs: collect the disparate device emulation docs into one section

While we are at it add a brief preamble that explains some of the
common concepts in QEMU's device emulation which will hopefully l

docs: collect the disparate device emulation docs into one section

While we are at it add a brief preamble that explains some of the
common concepts in QEMU's device emulation which will hopefully lead
to less confusing about our dizzying command line options.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Daniel P. Berrangé <berrange@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20210720232703.10650-3-alex.bennee@linaro.org>

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docs/system/virtio-pmem.rst: Fix minor style issues

The virtio-pmem documentation has some minor style issues we hadn't
noticed since we weren't rendering it in our docs:

* Sphinx doesn't complain

docs/system/virtio-pmem.rst: Fix minor style issues

The virtio-pmem documentation has some minor style issues we hadn't
noticed since we weren't rendering it in our docs:

* Sphinx doesn't complain about overlong title-underlining the
way it complains about too-short underlining, but it looks odd;
make the underlines of section headers the right length

* Indent of paragraphs makes them render as blockquotes;
remove the indent so they just render as normal text

* Leading 'o' isn't rst markup, so it just renders as a literal
"o"; reformat as a subsection heading instead

* "QEMU" in the document title and section headings are a bit
odd and unnecessary since this is the QEMU manual; delete
or rephrase them

* There's no need to specify what QEMU version the device first
appeared in.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Pankaj Gupta <pankaj.gupta@cloud.ionos.com>

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docs: Move virtio-pmem.rst into the system manual

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

docs: fix rst syntax errors in unbuilt docs

The .rst files outside docs/{devel,interop,specs} aren't built yet and
therefore a few syntax errors have slipped through. Fix them.

Signed-off-by: Stef

docs: fix rst syntax errors in unbuilt docs

The .rst files outside docs/{devel,interop,specs} aren't built yet and
therefore a few syntax errors have slipped through. Fix them.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20191111094411.427174-1-stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

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virtio pmem: user document

This patch documents the steps to use virtio pmem.
It also documents other useful information about
virtio pmem e.g use-case, comparison with Qemu NVDIMM
backend and curre

virtio pmem: user document

This patch documents the steps to use virtio pmem.
It also documents other useful information about
virtio pmem e.g use-case, comparison with Qemu NVDIMM
backend and current limitations.

Signed-off-by: Pankaj Gupta <pagupta@redhat.com>
Message-Id: <20190821121624.5382-1-pagupta@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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