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qemu/docs/specs/index.rst

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docs: standardize directory index to --- with overline Use a standard heading format for the index.rst file in a directory. Using overlines makes it clear that individual documents can use e.g. === for chapter titles and --- for section titles, as suggested in the Linux kernel guidelines[1]. They could do it anyway, because documents included in a toctree are parsed separately and therefore are not tied to the same conventions for headings. However, keeping some consistency is useful since sometimes files are included from multiple places. [1] https://www.kernel.org/doc/html/latest/doc-guide/sphinx.html Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-09-07 16:01:28 +02:00
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docs: simplify each section title Now that we merged into one doc, it makes the nav looks nicer. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20210323074704.4078381-1-marcandre.lureau@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com>
2021-03-23 11:47:04 +04:00
System Emulation Guest Hardware Specifications
docs: standardize directory index to --- with overline Use a standard heading format for the index.rst file in a directory. Using overlines makes it clear that individual documents can use e.g. === for chapter titles and --- for section titles, as suggested in the Linux kernel guidelines[1]. They could do it anyway, because documents included in a toctree are parsed separately and therefore are not tied to the same conventions for headings. However, keeping some consistency is useful since sometimes files are included from multiple places. [1] https://www.kernel.org/doc/html/latest/doc-guide/sphinx.html Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-09-07 16:01:28 +02:00
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docs: provide documentation on the POWER9 XIVE interrupt controller This documents the overall XIVE architecture and the XIVE support for sPAPR guest machines (pseries). It also provides documentation on the 'info pic' command. Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20190521082411.24719-1-clg@kaod.org> Reviewed-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com> Reviewed-by: Greg Kurz <groug@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-05-21 10:24:11 +02:00
docs: Stop calling the top level subsections of our manual 'manuals' We merged our previous multiple-manual setup into a single Sphinx manual, but we left some text in the various index.rst lines that still calls the top level subsections separate 'manuals'. Update them to talk about "this section of the manual" instead, and remove now-obsolete comments about how the index.rst files are the "top level page for the 'foo' manual". Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Acked-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-id: 20210705095547.15790-3-peter.maydell@linaro.org
2021-07-05 10:55:42 +01:00
This section of the manual contains specifications of
guest hardware that is specific to QEMU.
docs: provide documentation on the POWER9 XIVE interrupt controller This documents the overall XIVE architecture and the XIVE support for sPAPR guest machines (pseries). It also provides documentation on the 'info pic' command. Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20190521082411.24719-1-clg@kaod.org> Reviewed-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com> Reviewed-by: Greg Kurz <groug@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-05-21 10:24:11 +02:00
.. toctree::
:maxdepth: 2
docs/specs/pci-ids: Convert from txt to rST Convert the pci-ids document from plain text to reStructuredText. I opted to use definition-lists here because rST tables are super-clunky, and actually formatting these as tables didn't seem necessary. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20230420160334.1048224-2-peter.maydell@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-04-20 17:03:32 +01:00
pci-ids
docs/specs: Convert pci-serial.txt to rst Convert pci-serial.txt to reStructuredText. This includes some wordsmithing, and the correction of the docs to note that the Windows inf file includes 2x and 4x support (as it has done since commit dc9528fdf9f61 in 2014). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20230420160334.1048224-3-peter.maydell@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-04-20 17:03:33 +01:00
pci-serial
docs/specs: Convert pci-testdev.txt to rst Convert pci-testdev.txt to reStructuredText. Includes some minor wordsmithing. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20230420160334.1048224-4-peter.maydell@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-04-20 17:03:34 +01:00
pci-testdev
docs/specs/index.rst: Fix minor syntax issues The docs/specs/index.rst has a couple of minor issues which we didn't notice because we weren't building the manual: * the ToC entry for the new PPC XIVE docs points to a nonexistent file * the initial comment needs to be marked by '..', not '.', or it will appear in the output * the title doesn't match the capitialization used by the existing interop or devel manuals, and uses 'full-system emulation' rather than the 'system emulation' that the interop manual title uses Fix these minor issues before we start trying to build the manual. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Cédric Le Goater <clg@kaod.org> Acked-by: Aleksandar Markovic <amarkovic@wavecomp.com> Message-id: 20190610152444.20859-2-peter.maydell@linaro.org
2019-06-17 15:35:31 +01:00
ppc-xive
ppc-spapr-xive
docs: adding NUMA documentation for pseries This patch adds a new documentation file, ppc-spapr-numa.rst, informing what developers and user can expect of the NUMA distance support for the pseries machine, up to QEMU 5.1. In the (hopefully soon) future, when we rework the NUMA mechanics of the pseries machine to at least attempt to contemplate user choice, this doc will be extended to inform about the new support. Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20200803133440.825276-1-danielhb413@gmail.com> Tested-by: Greg Kurz <groug@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-08-03 10:34:40 -03:00
ppc-spapr-numa
docs/specs: Add ACPI GED documentation Documents basic concepts of ACPI Generic Event device(GED) and interface between QEMU and the ACPI BIOS. Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Message-Id: <20190918130633.4872-10-shameerali.kolothum.thodi@huawei.com> Acked-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2019-09-18 14:06:31 +01:00
acpi_hw_reduced_hotplug
docs/specs/tpm: reST-ify TPM documentation Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Stefan Berger <stefanb@linux.ibm.com> Message-Id: <20200121152935.649898-7-stefanb@linux.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-01-21 10:29:35 -05:00
tpm
docs: APEI GHES generation and CPER record description Add APEI/GHES detailed design document Signed-off-by: Dongjiu Geng <gengdongjiu@huawei.com> Signed-off-by: Xiang Zheng <zhengxiang9@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Message-id: 20200512030609.19593-4-gengdongjiu@huawei.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-12 11:06:02 +08:00
acpi_hest_ghes
docs/specs/acpu_cpu_hotplug: Convert to rST Do a basic conversion of the acpi_cpu_hotplug spec document to rST. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Message-id: 20210727170414.3368-2-peter.maydell@linaro.org
2021-07-27 18:04:10 +01:00
acpi_cpu_hotplug
docs/specs/acpi_mem_hotplug: Convert to rST Convert the acpi memory hotplug spec to rST. Note that this includes converting a lot of weird whitespace characters to plain old spaces (the rST parser does not like whatever the old ones were). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Message-id: 20210727170414.3368-3-peter.maydell@linaro.org
2021-07-27 18:04:11 +01:00
acpi_mem_hotplug
docs/specs/acpi_pci_hotplug: Convert to rST Convert the PCI hotplug spec document to rST. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Igor Mammedov <imammedo@redhat.com>
2021-07-27 18:04:12 +01:00
acpi_pci_hotplug
docs/specs/acpi_nvdimm: Convert to rST Convert the ACPI NVDIMM spec document to rST. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Message-id: 20210727170414.3368-5-peter.maydell@linaro.org
2021-07-27 18:04:13 +01:00
acpi_nvdimm
ACPI ERST: specification for ERST support Information on the implementation of the ACPI ERST support. Signed-off-by: Eric DeVolder <eric.devolder@oracle.com> Acked-by: Ani Sinha <ani@anisinha.ca> Message-Id: <20220223143322.927136-2-ani@anisinha.ca> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-02-23 20:03:16 +05:30
acpi_erst
docs: Add spec of OVMF GUIDed table for SEV guests Add docs/specs/sev-guest-firmware.rst which describes the GUIDed table in the end of OVMF's image which is parsed by QEMU, and currently used to describe some values for SEV and SEV-ES guests. Signed-off-by: Dov Murik <dovmurik@linux.ibm.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20220103091413.2869-1-dovmurik@linux.ibm.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-01-03 11:14:13 +02:00
sev-guest-firmware
Convert fw_cfg.rst to reStructuredText syntax And add it to specs/index.rst Signed-off-by: Simon Sapin <simon.sapin@exyr.org> Message-Id: <20220625161455.1232954-2-simon.sapin@exyr.org> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-06-25 18:14:55 +02:00
fw_cfg
hw/fsi: Added FSI documentation Documentation for IBM FSI model. Signed-off-by: Ninad Palsule <ninad@linux.ibm.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> [ clg : - Removed source file list - Fixed aspeed machine reference ] Signed-off-by: Cédric Le Goater <clg@kaod.org>
2024-01-26 04:49:55 -06:00
fsi
docs/specs/vmw_pvscsi-spec: Convert to rST Convert the docs/specs/vmw_pvscsi-spec.txt file to rST format. This conversion includes some minor wordsmithing of the text to fix some grammar nits. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-id: 20230927151205.70930-2-peter.maydell@linaro.org
2023-09-27 16:11:58 +01:00
vmw_pvscsi-spec
docs/specs/edu: Convert to rST Convert docs/specs/edu.txt to rST format. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-id: 20230927151205.70930-3-peter.maydell@linaro.org
2023-09-27 16:11:59 +01:00
edu
docs/specs/ivshmem-spec: Convert to rST Convert docs/specs/ivshmem-spec.txt to rST format. In converting, I have dropped the sections on the device's command line interface and usage, as they are already covered by the user-facing docs in system/devices/ivshmem.rst. I have also removed the reference to Memnic, because the URL is dead and a web search suggests that whatever this was it's pretty much sunk without trace. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20230927151205.70930-4-peter.maydell@linaro.org Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-09-27 16:12:00 +01:00
ivshmem-spec
docs/specs/pvpanic: Convert to rST Convert docs/specs/pvpanic.txt to rST format. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20230927151205.70930-5-peter.maydell@linaro.org Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-09-27 16:12:01 +01:00
pvpanic
hw/nvme: Add SPDM over DOE support Setup Data Object Exchange (DOE) as an extended capability for the NVME controller and connect SPDM to it (CMA) to it. Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Acked-by: Klaus Jensen <k.jensen@samsung.com> Message-Id: <20240703092027.644758-4-alistair.francis@wdc.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2024-07-03 19:20:27 +10:00
spdm
docs/specs/standard-vga: Convert to rST Convert docs/specs/standard-vga.txt to rST format. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20230927151205.70930-6-peter.maydell@linaro.org Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-09-27 16:12:02 +01:00
standard-vga
docs/specs/virt-ctlr: Convert to rST Convert docs/specs/virt-ctlr.txt to rST format. I added the name of the device to give readers a bit more idea of which device we're actually documenting here. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20230927151205.70930-7-peter.maydell@linaro.org Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-09-27 16:12:03 +01:00
virt-ctlr
docs/specs/vmcoreinfo: Convert to rST Convert docs/specs/vmcoreinfo.txt to rST format. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20230927151205.70930-8-peter.maydell@linaro.org Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2023-09-27 16:12:04 +01:00
vmcoreinfo
docs/specs/vmgenid: Convert to rST Convert docs/specs/vmgenid.txt to rST format. Reviewed-by: Ani Sinha <anisinha@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20230927151205.70930-9-peter.maydell@linaro.org
2023-09-27 16:12:05 +01:00
vmgenid
Add support for RAPL MSRs in KVM/Qemu Starting with the "Sandy Bridge" generation, Intel CPUs provide a RAPL interface (Running Average Power Limit) for advertising the accumulated energy consumption of various power domains (e.g. CPU packages, DRAM, etc.). The consumption is reported via MSRs (model specific registers) like MSR_PKG_ENERGY_STATUS for the CPU package power domain. These MSRs are 64 bits registers that represent the accumulated energy consumption in micro Joules. They are updated by microcode every ~1ms. For now, KVM always returns 0 when the guest requests the value of these MSRs. Use the KVM MSR filtering mechanism to allow QEMU handle these MSRs dynamically in userspace. To limit the amount of system calls for every MSR call, create a new thread in QEMU that updates the "virtual" MSR values asynchronously. Each vCPU has its own vMSR to reflect the independence of vCPUs. The thread updates the vMSR values with the ratio of energy consumed of the whole physical CPU package the vCPU thread runs on and the thread's utime and stime values. All other non-vCPU threads are also taken into account. Their energy consumption is evenly distributed among all vCPUs threads running on the same physical CPU package. To overcome the problem that reading the RAPL MSR requires priviliged access, a socket communication between QEMU and the qemu-vmsr-helper is mandatory. You can specified the socket path in the parameter. This feature is activated with -accel kvm,rapl=true,path=/path/sock.sock Actual limitation: - Works only on Intel host CPU because AMD CPUs are using different MSR adresses. - Only the Package Power-Plane (MSR_PKG_ENERGY_STATUS) is reported at the moment. Signed-off-by: Anthony Harivel <aharivel@redhat.com> Link: https://lore.kernel.org/r/20240522153453.1230389-4-aharivel@redhat.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-05-22 17:34:52 +02:00
rapl-msr
docs/specs/rocker.txt: Convert to rST Convert the rocker.txt specification document to rST format. We make extensive use of the :: marker to introduce a literal block for all the tables and ASCII art, rather than trying to convert the tables to rST table syntax. This produces a valid rST document without needing a huge diff. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20240801170131.3977807-2-peter.maydell@linaro.org
2024-08-09 17:37:54 +01:00
rocker
docs/specs: add riscv-iommu Add a simple guideline to use the existing RISC-V IOMMU support we just added. This doc will be updated once we add the riscv-iommu-sys device. Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-ID: <20241016204038.649340-13-dbarboza@ventanamicro.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2024-10-16 17:40:36 -03:00
riscv-iommu
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