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Mon, 22 Feb 2021 13:39:46 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 15804A4060; Mon, 22 Feb 2021 13:39:59 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A46FBA405C; Mon, 22 Feb 2021 13:39:58 +0000 (GMT) Received: from smtp.tlslab.ibm.com (unknown [9.101.4.1]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with SMTP; Mon, 22 Feb 2021 13:39:58 +0000 (GMT) Received: from yukon.ibmuc.com (unknown [9.171.42.172]) by smtp.tlslab.ibm.com (Postfix) with ESMTP id ABCE4220077; Mon, 22 Feb 2021 14:39:57 +0100 (CET) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: David Gibson Subject: [PATCH] docs/system: Extend PPC section Date: Mon, 22 Feb 2021 14:39:56 +0100 Message-Id: <20210222133956.156001-1-clg@kaod.org> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.761 definitions=2021-02-22_02:2021-02-22, 2021-02-22 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 priorityscore=1501 impostorscore=0 mlxlogscore=999 mlxscore=0 malwarescore=0 bulkscore=0 phishscore=0 lowpriorityscore=0 adultscore=0 clxscore=1034 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2102220125 Received-SPF: softfail client-ip=148.163.156.1; envelope-from=clg@kaod.org; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: 0 X-Spam_score: 0.0 X-Spam_bar: / X-Spam_report: (0.0 / 5.0 requ) BAYES_00=-1.9, PDS_OTHER_BAD_TLD=1.95, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org, mark.cave-ayland@ilande.co.uk, Greg Kurz , programmingkidx@gmail.com, qemu-ppc@nongnu.org, Joel Stanley , lagarcia@br.ibm.com, =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This moves the current documentation in files specific to each platform family. PowerNV machine is updated, the other machines need to be done. Signed-off-by: C=C3=A9dric Le Goater --- docs/system/ppc/embedded.rst | 10 ++ docs/system/ppc/powermac.rst | 34 ++++++ docs/system/ppc/powernv.rst | 193 +++++++++++++++++++++++++++++++++++ docs/system/ppc/prep.rst | 18 ++++ docs/system/ppc/pseries.rst | 12 +++ docs/system/target-ppc.rst | 53 +++------- 6 files changed, 282 insertions(+), 38 deletions(-) create mode 100644 docs/system/ppc/embedded.rst create mode 100644 docs/system/ppc/powermac.rst create mode 100644 docs/system/ppc/powernv.rst create mode 100644 docs/system/ppc/prep.rst create mode 100644 docs/system/ppc/pseries.rst diff --git a/docs/system/ppc/embedded.rst b/docs/system/ppc/embedded.rst new file mode 100644 index 000000000000..cfffbda24da9 --- /dev/null +++ b/docs/system/ppc/embedded.rst @@ -0,0 +1,10 @@ +Embedded family boards +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D + +- ``bamboo`` bamboo +- ``mpc8544ds`` mpc8544ds +- ``ppce500`` generic paravirt e500 platform +- ``ref405ep`` ref405ep +- ``sam460ex`` aCube Sam460ex +- ``taihu`` taihu +- ``virtex-ml507`` Xilinx Virtex ML507 reference design diff --git a/docs/system/ppc/powermac.rst b/docs/system/ppc/powermac.rst new file mode 100644 index 000000000000..04334ba2102c --- /dev/null +++ b/docs/system/ppc/powermac.rst @@ -0,0 +1,34 @@ +PowerMac family boards (``g3beige``, ``mac99``) +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D + +Use the executable ``qemu-system-ppc`` to simulate a complete PowerMac +PowerPC system. + +- ``g3beige`` Heathrow based PowerMAC +- ``mac99`` Mac99 based PowerMAC + +Supported devices +----------------- + +QEMU emulates the following PowerMac peripherals: + + * UniNorth or Grackle PCI Bridge + * PCI VGA compatible card with VESA Bochs Extensions + * 2 PMAC IDE interfaces with hard disk and CD-ROM support + * NE2000 PCI adapters + * Non Volatile RAM + * VIA-CUDA with ADB keyboard and mouse. + + +Missing devices +--------------- + + * To be identified + +Firmware +-------- + +Since version 0.9.1, QEMU uses OpenBIOS https://www.openbios.org/ for +the g3beige and mac99 PowerMac and the 40p machines. OpenBIOS is a free +(GPL v2) portable firmware implementation. The goal is to implement a +100% IEEE 1275-1994 (referred to as Open Firmware) compliant firmware. diff --git a/docs/system/ppc/powernv.rst b/docs/system/ppc/powernv.rst new file mode 100644 index 000000000000..43c58bc32e76 --- /dev/null +++ b/docs/system/ppc/powernv.rst @@ -0,0 +1,193 @@ +PowerNV family boards (``powernv8``, ``powernv9``) +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D + +PowerNV (as Non-Virtualized) is the "baremetal" platform using the +OPAL firmware. It runs Linux on IBM and OpenPOWER systems and it can +be used as an hypervisor OS, running KVM guests, or simply as a host +OS. + +The PowerNV QEMU machine tries to emulate a PowerNV system at the +level of the skiboot firmware, which loads the OS and provides some +runtime services. Power Systems have a lower firmware (HostBoot) that +does low level system initialization, like DRAM training. This is +beyond the scope of what QEMU addresses today. + +Supported devices +----------------- + + * Multi processor support for POWER8, POWER8NVL and POWER9. + * XSCOM, serial communication sideband bus to configure chiplets + * Simple LPC Controller + * Processor Service Interface (PSI) Controller + * Interrupt Controller, XICS (POWER8) and XIVE (POWER9) + * POWER8 PHB3 PCIe Host bridge and POWER9 PHB4 PCIe Host bridge + * Simple OCC is an on-chip microcontroller used for power management + tasks + * iBT device to handle BMC communication, with the internal BMC + simulator provided by QEMU or an external BMC such as an Aspeed + QEMU machine. + * PNOR containing the different firmware partitions. + +Missing devices +--------------- + +A lot is missing, among which : + + * POWER10 processor + * XIVE2 (POWER10) interrupt controller + * I2C controllers (yet to be merged) + * NPU/NPU2/NPU3 controllers + * EEH support for PCIe Host bridge controllers + * NX controller + * VAS controller + * chipTOD (Time Of Day) + * Self Boot Engine (SBE). + * FSI bus + +Firmware +-------- + +The OPAL firmware (OpenPower Abstraction Layer) for OpenPower systems +includes the runtime services `skiboot` and the bootloader kernel and +initramfs `skiroot`. Source code can be found on GitHub: + + https://github.com/open-power. + +Prebuilt images of `skiboot` and `skiboot` are made available on the `Op= enPOWER `__ = site. To boot a POWER9 machine, use the `witherspoon `__ images. For POWER8, use +the `palmetto `__ images. + +QEMU includes a prebuilt image of `skiboot` which is updated when a +more recent version is required by the models. + +Boot options +------------ + +Here is a simple setup with one e1000e NIC : + +.. code-block:: bash + + $ qemu-system-ppc64 -m 2G -machine powernv9 -smp 2,cores=3D2,threads=3D= 1 \ + -accel tcg,thread=3Dsingle \ + -device e1000e,netdev=3Dnet0,mac=3DC0:FF:EE:00:00:02,bus=3Dpcie.0,addr= =3D0x0 \ + -netdev user,id=3Dnet0,hostfwd=3D::20022-:22,hostname=3Dpnv \ + -kernel ./zImage.epapr \ + -initrd ./rootfs.cpio.xz \ + -nographic + +and a SATA disk : + +.. code-block:: bash + + -device ich9-ahci,id=3Dsata0,bus=3Dpcie.1,addr=3D0x0 \ + -drive file=3D./ubuntu-ppc64le.qcow2,if=3Dnone,id=3Ddrive0,format=3Dqc= ow2,cache=3Dnone \ + -device ide-hd,bus=3Dsata0.0,unit=3D0,drive=3Ddrive0,id=3Dide,bootinde= x=3D1 \ + +Complex PCIe configuration +~~~~~~~~~~~~~~~~~~~~~~~~~~ +Six PHBs are defined per chip (POWER9) but no default PCI layout is +provided (to be compatible with libvirt). One PCI device can be added +on any of the available PCIe slots using command line options such as: + +.. code-block:: bash + + -device e1000e,netdev=3Dnet0,mac=3DC0:FF:EE:00:00:02,bus=3Dpcie.0,addr= =3D0x0 + -netdev bridge,id=3Dnet0,helper=3D/usr/libexec/qemu-bridge-helper,br=3D= virbr0,id=3Dhostnet0 + + -device megasas,id=3Dscsi0,bus=3Dpcie.0,addr=3D0x0 + -drive file=3D./ubuntu-ppc64le.qcow2,if=3Dnone,id=3Ddrive-scsi0-0-0-0,= format=3Dqcow2,cache=3Dnone + -device scsi-hd,bus=3Dscsi0.0,channel=3D0,scsi-id=3D0,lun=3D0,drive=3D= drive-scsi0-0-0-0,id=3Dscsi0-0-0-0,bootindex=3D2 + +Here is a full example with two different storage controllers on +different PHBs, each with a disk, the second PHB is empty : + +.. code-block:: bash + + $ qemu-system-ppc64 -m 2G -machine powernv9 -smp 2,cores=3D2,threads=3D= 1 -accel tcg,thread=3Dsingle \ + -kernel ./zImage.epapr -initrd ./rootfs.cpio.xz -bios ./skiboot.lid \ + \ + -device megasas,id=3Dscsi0,bus=3Dpcie.0,addr=3D0x0 \ + -drive file=3D./rhel7-ppc64le.qcow2,if=3Dnone,id=3Ddrive-scsi0-0-0-0,f= ormat=3Dqcow2,cache=3Dnone \ + -device scsi-hd,bus=3Dscsi0.0,channel=3D0,scsi-id=3D0,lun=3D0,drive=3D= drive-scsi0-0-0-0,id=3Dscsi0-0-0-0,bootindex=3D2 \ + \ + -device pcie-pci-bridge,id=3Dbridge1,bus=3Dpcie.1,addr=3D0x0 \ + \ + -device ich9-ahci,id=3Dsata0,bus=3Dbridge1,addr=3D0x1 \ + -drive file=3D./ubuntu-ppc64le.qcow2,if=3Dnone,id=3Ddrive0,format=3Dqc= ow2,cache=3Dnone \ + -device ide-hd,bus=3Dsata0.0,unit=3D0,drive=3Ddrive0,id=3Dide,bootinde= x=3D1 \ + -device e1000e,netdev=3Dnet0,mac=3DC0:FF:EE:00:00:02,bus=3Dbridge1,add= r=3D0x2 \ + -netdev bridge,helper=3D/usr/libexec/qemu-bridge-helper,br=3Dvirbr0,id= =3Dnet0 \ + -device nec-usb-xhci,bus=3Dbridge1,addr=3D0x7 \ + \ + -serial mon:stdio -nographic + +You can also use VIRTIO devices : + +.. code-block:: bash + + -drive file=3D./fedora-ppc64le.qcow2,if=3Dnone,snapshot=3Don,id=3Ddriv= e0 \ + -device virtio-blk-pci,drive=3Ddrive0,id=3Dblk0,bus=3Dpcie.0 \ + \ + -netdev tap,helper=3D/usr/lib/qemu/qemu-bridge-helper,br=3Dvirbr0,id=3D= netdev0 \ + -device virtio-net-pci,netdev=3Dnetdev0,id=3Dnet0,bus=3Dpcie.1 \ + \ + -fsdev local,id=3Dfsdev0,path=3D$HOME,security_model=3Dpassthrough \ + -device virtio-9p-pci,fsdev=3Dfsdev0,mount_tag=3Dhost,bus=3Dpcie.2 + +Multi sockets +~~~~~~~~~~~~~ + +The number of sockets is deduced from the number of CPUs and the +number of cores. ``-smp 2,cores=3D1`` will define a machine with 2 +sockets of 1 core, whereas ``-smp 2,cores=3D2`` will define a machine +with 1 socket of 2 cores. ``-smp 8,cores=3D2``, 4 sockets of 2 cores. + +BMC configuration +~~~~~~~~~~~~~~~~~ + +OpenPOWER systems negotiate the shutdown and reboot with their +BMC. The QEMU PowerNV machine embeds an IPMI BMC simulator using the +iBT interface and should offer the same power features. + +If you want to define your own BMC, use ``-nodefaults`` and specify +one on the command line : + +.. code-block:: bash + + -device ipmi-bmc-sim,id=3Dbmc0 -device isa-ipmi-bt,bmc=3Dbmc0,irq=3D10 + +The files `palmetto-SDR.bin `__ +and `palmetto-FRU.bin `__ +define a Sensor Data Record repository and a Field Replaceable Unit +inventory for a palmetto BMC. They can be used to extend the QEMU BMC +simulator. + +.. code-block:: bash + + -device ipmi-bmc-sim,sdrfile=3D./palmetto-SDR.bin,fruareasize=3D256,fr= udatafile=3D./palmetto-FRU.bin,id=3Dbmc0 \ + -device isa-ipmi-bt,bmc=3Dbmc0,irq=3D10 + +The PowerNV machine can also be run with an external IPMI BMC device +connected to a remote QEMU machine acting as BMC, using these options +: + +.. code-block:: bash + + -chardev socket,id=3Dipmi0,host=3Dlocalhost,port=3D9002,reconnect=3D10= \ + -device ipmi-bmc-extern,id=3Dbmc0,chardev=3Dipmi0 \ + -device isa-ipmi-bt,bmc=3Dbmc0,irq=3D10 \ + -nodefaults + +NVRAM +~~~~~ + +Use a MTD drive to add a PNOR to the machine, and get a NVRAM : + +.. code-block:: bash + + -drive file=3D./witherspoon.pnor,format=3Draw,if=3Dmtd + +CAVEATS +------- + + * No support for multiple HW threads (SMT=3D1). Same as pseries. + * CPU can hang when doing intensive I/Os. Use ``-append powersave=3Doff= `` in that case. diff --git a/docs/system/ppc/prep.rst b/docs/system/ppc/prep.rst new file mode 100644 index 000000000000..bd9eb8eabd2f --- /dev/null +++ b/docs/system/ppc/prep.rst @@ -0,0 +1,18 @@ +Prep machine (``40p``) +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D + +Use the executable ``qemu-system-ppc`` to simulate a complete 40P (PREP) + +Supported devices +----------------- + +QEMU emulates the following 40P (PREP) peripherals: + + * PCI Bridge + * PCI VGA compatible card with VESA Bochs Extensions + * 2 IDE interfaces with hard disk and CD-ROM support + * Floppy disk + * PCnet network adapters + * Serial port + * PREP Non Volatile RAM + * PC compatible keyboard and mouse. diff --git a/docs/system/ppc/pseries.rst b/docs/system/ppc/pseries.rst new file mode 100644 index 000000000000..932d4dd17d29 --- /dev/null +++ b/docs/system/ppc/pseries.rst @@ -0,0 +1,12 @@ +pSeries family boards (``pseries``) +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D + +Supported devices +----------------- + +Missing devices +--------------- + + +Firmware +-------- diff --git a/docs/system/target-ppc.rst b/docs/system/target-ppc.rst index a2f04c533c24..549fb1858b54 100644 --- a/docs/system/target-ppc.rst +++ b/docs/system/target-ppc.rst @@ -3,45 +3,22 @@ PowerPC System emulator ----------------------- =20 -Use the executable ``qemu-system-ppc`` to simulate a complete 40P (PREP) -or PowerMac PowerPC system. +Board-specific documentation +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D =20 -QEMU emulates the following PowerMac peripherals: +you can get a complete list by running ``qemu-system-ppc64 --machine +help``. =20 -- UniNorth or Grackle PCI Bridge +.. + This table of contents should be kept sorted alphabetically + by the title text of each file, which isn't the same ordering + as an alphabetical sort by filename. =20 -- PCI VGA compatible card with VESA Bochs Extensions +.. toctree:: + :maxdepth: 1 =20 -- 2 PMAC IDE interfaces with hard disk and CD-ROM support - -- NE2000 PCI adapters - -- Non Volatile RAM - -- VIA-CUDA with ADB keyboard and mouse. - -QEMU emulates the following 40P (PREP) peripherals: - -- PCI Bridge - -- PCI VGA compatible card with VESA Bochs Extensions - -- 2 IDE interfaces with hard disk and CD-ROM support - -- Floppy disk - -- PCnet network adapters - -- Serial port - -- PREP Non Volatile RAM - -- PC compatible keyboard and mouse. - -Since version 0.9.1, QEMU uses OpenBIOS https://www.openbios.org/ for -the g3beige and mac99 PowerMac and the 40p machines. OpenBIOS is a free -(GPL v2) portable firmware implementation. The goal is to implement a -100% IEEE 1275-1994 (referred to as Open Firmware) compliant firmware. - -More information is available at -http://perso.magic.fr/l_indien/qemu-ppc/. + ppc/embedded + ppc/powermac + ppc/powernv + ppc/prep + ppc/pseries --=20 2.26.2