Commit Graph

108909 Commits

Author SHA1 Message Date
BALATON Zoltan
f46f8e0f37 tests/avocado: Add test for amigaone board
Add an avocado test for the amigaone board that tests it with the
firmware.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-ID: <b1a0246840fcff1fe6bbd8685e2474a9231b34c5.1698406922.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2023-11-07 15:49:41 -03:00
BALATON Zoltan
d9656f860a hw/ppc: Add emulation of AmigaOne XE board
The AmigaOne is a rebranded MAI Teron board that uses U-Boot firmware
with patches to support AmigaOS and is very similar to pegasos2 so can
be easily emulated sharing most code with pegasos2. The reason to
emulate it is that AmigaOS comes in different versions for AmigaOne
and PegasosII which only have drivers for one machine and firmware so
these only run on the specific machine. Adding this board allows
another AmigaOS version to be used reusing already existing peagasos2
emulation. (The AmigaOne was the first of these boards so likely most
widespread which then inspired Pegasos that was later replaced with
PegasosII due to problems with Articia S, so these have a lot of
similarity. Pegasos mainly ran MorphOS while the PegasosII version of
AmigaOS was added later and therefore less common than the AmigaOne
version.)

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Tested-by: Rene Engel <ReneEngel80@emailn.de>
Acked-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-ID: <804935e7a5921548d630576159ae2c758fe6e275.1699382232.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2023-11-07 15:49:13 -03:00
BALATON Zoltan
97d3b2cd36 hw/pci-host: Add emulation of Mai Logic Articia S
The Articia S is a generic chipset supporting several different CPUs
that were among others used on some PPC boards. This is a minimal
emulation of the parts needed for emulating the AmigaOne board.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Tested-by: Rene Engel <ReneEngel80@emailn.de>
Acked-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-ID: <83822787431701cf4d460298d3e3845f362e5da1.1698406922.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2023-11-07 12:59:29 -03:00
Stefan Hajnoczi
462ad017ed Make Pixman an optional dependency
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Merge tag 'pixman-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

Make Pixman an optional dependency

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# gpg: Signature made Tue 07 Nov 2023 18:14:49 HKT
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* tag 'pixman-pull-request' of https://gitlab.com/marcandre.lureau/qemu: (25 commits)
  build-sys: make pixman actually optional
  hw/display/ati: allow compiling without PIXMAN
  hw/mips: FULOONG depends on VT82C686
  hw/sm501: allow compiling without PIXMAN
  hw/arm: XLNX_VERSAL depends on XLNX_CSU_DMA
  arm/kconfig: XLNX_ZYNQMP_ARM depends on PIXMAN
  ui/dbus: do not require PIXMAN
  ui/gtk: -display gtk requires PIXMAN
  ui/spice: SPICE/QXL requires PIXMAN
  ui/vnc: VNC requires PIXMAN
  ui/gl: opengl doesn't require PIXMAN
  vhost-user-gpu: skip VHOST_USER_GPU_UPDATE when !PIXMAN
  ui/console: when PIXMAN is unavailable, don't draw placeholder msg
  virtio-gpu: replace PIXMAN for region/rect test
  qmp/hmp: disable screendump if PIXMAN is missing
  ui/vc: console-vc requires PIXMAN
  ui/console: allow to override the default VC
  vl: move display early init before default devices
  vl: simplify display_remote logic
  qemu-options: define -vnc only #ifdef CONFIG_VNC
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-11-07 19:00:03 +08:00
Stefan Hajnoczi
f6b615b52d virtio,pc,pci: features, fixes
virtio sound card support
 
 vhost-user: back-end state migration
 
 cxl:
      line length reduction
      enabling fabric management
 
 vhost-vdpa:
      shadow virtqueue hash calculation Support
      shadow virtqueue RSS Support
 
 tests:
     CPU topology related smbios test cases
 
 Fixes, cleanups all over the place
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio,pc,pci: features, fixes

virtio sound card support

vhost-user: back-end state migration

cxl:
     line length reduction
     enabling fabric management

vhost-vdpa:
     shadow virtqueue hash calculation Support
     shadow virtqueue RSS Support

tests:
    CPU topology related smbios test cases

Fixes, cleanups all over the place

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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# gpg: Signature made Tue 07 Nov 2023 18:06:50 HKT
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (63 commits)
  acpi/tests/avocado/bits: enable console logging from bits VM
  acpi/tests/avocado/bits: enforce 32-bit SMBIOS entry point
  hw/cxl: Add tunneled command support to mailbox for switch cci.
  hw/cxl: Add dummy security state get
  hw/cxl/type3: Cleanup multiple CXL_TYPE3() calls in read/write functions
  hw/cxl/mbox: Add Get Background Operation Status Command
  hw/cxl: Add support for device sanitation
  hw/cxl/mbox: Wire up interrupts for background completion
  hw/cxl/mbox: Add support for background operations
  hw/cxl: Implement Physical Ports status retrieval
  hw/pci-bridge/cxl_downstream: Set default link width and link speed
  hw/cxl/mbox: Add Physical Switch Identify command.
  hw/cxl/mbox: Add Information and Status / Identify command
  hw/cxl: Add a switch mailbox CCI function
  hw/pci-bridge/cxl_upstream: Move defintion of device to header.
  hw/cxl/mbox: Generalize the CCI command processing
  hw/cxl/mbox: Pull the CCI definition out of the CXLDeviceState
  hw/cxl/mbox: Split mailbox command payload into separate input and output
  hw/cxl/mbox: Pull the payload out of struct cxl_cmd and make instances constant
  hw/cxl: Fix a QEMU_BUILD_BUG_ON() in switch statement scope issue.
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-11-07 18:59:41 +08:00
Stefan Hajnoczi
7eee58ae3b UI patch queue
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Merge tag 'ui-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

UI patch queue

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# gpg: Signature made Tue 07 Nov 2023 17:30:27 HKT
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* tag 'ui-pull-request' of https://gitlab.com/marcandre.lureau/qemu:
  ui: Replacing pointer in function
  ui/cocoa: add zoom-to-fit display option
  ui/gtk-egl: apply scale factor when calculating window's dimension
  ui/gtk-egl: Check EGLSurface before doing scanout
  ui/gtk: force realization of drawing area

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-11-07 18:59:04 +08:00
Stefan Hajnoczi
3e34860a3a Xen PV guest support for 8.2
Add Xen PV console and network support, the former of which enables the
 Xen "PV shim" to be used to support PV guests.
 
 Also clean up the block support and make it work when the user passes
 just 'drive file=IMAGE,if=xen' on the command line.
 
 Update the documentation to reflect all of these, taking the opportunity
 to simplify what it says about q35 by making unplug work for AHCI.
 
 Ignore the VCPU_SSHOTTMR_future timer flag, and advertise the 'fixed'
 per-vCPU upcall vector support, as newer upstream Xen do.
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Merge tag 'pull-xenfv.for-upstream-20231107' of git://git.infradead.org/users/dwmw2/qemu into staging

Xen PV guest support for 8.2

Add Xen PV console and network support, the former of which enables the
Xen "PV shim" to be used to support PV guests.

Also clean up the block support and make it work when the user passes
just 'drive file=IMAGE,if=xen' on the command line.

Update the documentation to reflect all of these, taking the opportunity
to simplify what it says about q35 by making unplug work for AHCI.

Ignore the VCPU_SSHOTTMR_future timer flag, and advertise the 'fixed'
per-vCPU upcall vector support, as newer upstream Xen do.

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# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 07 Nov 2023 17:13:21 HKT
# gpg:                using RSA key BE07D9FD54809AB2C4B0FF5F63762CDA67E2F359
# gpg:                issuer "dwmw2@infradead.org"
# gpg: Good signature from "David Woodhouse <dwmw2@infradead.org>" [unknown]
# gpg:                 aka "David Woodhouse <dwmw2@exim.org>" [unknown]
# gpg:                 aka "David Woodhouse <david@woodhou.se>" [unknown]
# gpg:                 aka "David Woodhouse <dwmw2@kernel.org>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: BE07 D9FD 5480 9AB2 C4B0  FF5F 6376 2CDA 67E2 F359

* tag 'pull-xenfv.for-upstream-20231107' of git://git.infradead.org/users/dwmw2/qemu:
  docs: update Xen-on-KVM documentation
  xen-platform: unplug AHCI disks
  hw/i386/pc: support '-nic' for xen-net-device
  hw/xen: update Xen PV NIC to XenDevice model
  hw/xen: only remove peers of PCI NICs on unplug
  hw/xen: add support for Xen primary console in emulated mode
  hw/xen: update Xen console to XenDevice model
  hw/xen: do not repeatedly try to create a failing backend device
  hw/xen: add get_frontend_path() method to XenDeviceClass
  hw/xen: automatically assign device index to block devices
  hw/xen: populate store frontend nodes with XenStore PFN/port
  i386/xen: advertise XEN_HVM_CPUID_UPCALL_VECTOR in CPUID
  include: update Xen public headers to Xen 4.17.2 release
  hw/xen: Clean up event channel 'type_val' handling to use union
  i386/xen: Ignore VCPU_SSHOTTMR_future flag in set_singleshot_timer()

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-11-07 18:57:40 +08:00
Marc-André Lureau
d017f28a2e build-sys: make pixman actually optional
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
699f15fd0c hw/display/ati: allow compiling without PIXMAN
Change the "x-pixman" property default value and use the fallback path
when PIXMAN support is disabled.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: BALATON Zoltan <balaton@eik.bme.hu>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
376a0531d4 hw/mips: FULOONG depends on VT82C686
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
fa140b9562 hw/sm501: allow compiling without PIXMAN
Change the "x-pixman" property default value and use the fallback path
when PIXMAN support is disabled.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
b271b6a392 hw/arm: XLNX_VERSAL depends on XLNX_CSU_DMA
Fixes: 868d968004 ("hw/arm/xlnx-versal: Connect OSPI flash controller")
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
04c4cc10d9 arm/kconfig: XLNX_ZYNQMP_ARM depends on PIXMAN
The Display Port has some strong PIXMAN dependency.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
949c084ad6 ui/dbus: do not require PIXMAN
Implement a fallback path for region 2D update.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
da554e1616 ui/gtk: -display gtk requires PIXMAN
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
c98791eb63 ui/spice: SPICE/QXL requires PIXMAN
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
89fd3eab52 ui/vnc: VNC requires PIXMAN
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
41e0bc3d5c ui/gl: opengl doesn't require PIXMAN
The QEMU fallback covers the requirements. We still need the flags of
header inclusion with CONFIG_PIXMAN.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
68fd167060 vhost-user-gpu: skip VHOST_USER_GPU_UPDATE when !PIXMAN
This simply means that 2d drawing updates won't be handled, but 3d
should work.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
d7e947965a ui/console: when PIXMAN is unavailable, don't draw placeholder msg
When we can't draw text, simply show a blank display.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
a200d53b1f virtio-gpu: replace PIXMAN for region/rect test
Use a simpler implementation for rectangle geometry & intersect, drop
the need for (more complex) PIXMAN functions.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
f38aa2c7c0 qmp/hmp: disable screendump if PIXMAN is missing
The command requires color conversion and line-by-line feeding. We could
have a simple fallback for simple formats though.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
600179c39e ui/vc: console-vc requires PIXMAN
Add stubs for the fallback paths.

get_vc() now returns NULL by default if !PIXMAN.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
1bec1cc0da ui/console: allow to override the default VC
If a display is backed by a specialized VC, allow to override the
default "vc:80Cx24C".

As suggested by Paolo, if the display doesn't implement a VC (get_vc()
returns NULL), use a fallback that will use a muxed console on stdio.

This changes the behaviour of "qemu -display none", to create a muxed
serial/monitor by default (on TTY & not daemonized).

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
2aeaa4b200 vl: move display early init before default devices
The next commit needs to have the display registered itself before
creating the default VCs.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
484629fc81 vl: simplify display_remote logic
Bump the display_remote variable when the -vnc option is parsed, just
like -spice.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
6261164bd6 qemu-options: define -vnc only #ifdef CONFIG_VNC
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
6d9ed4eb94 vl: drop needless -spice checks
Since commit 5324e3e958 ("qemu-options: define -spice only #ifdef
CONFIG_SPICE"), it is unnecessary to check at runtime for "-spice"
option.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
79a1f32559 ui: add pixman-minimal.h
This is a tiny subset of PIXMAN API that is used pervasively in QEMU
codebase to manage images and identify the underlying format.

It doesn't seems worth to wrap this in a QEMU-specific API.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Thomas Huth <thuth@redhat.com>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
b3ec48cf92 ui: compile out some qemu-pixman functions when !PIXMAN
Those functions require the PIXMAN library.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-11-07 14:04:24 +04:00
Marc-André Lureau
ce59c54c49 build-sys: drop needless warning pragmas for old pixman
Since commit 236f282c1c ("configure: check for pixman-1 version"), QEMU
requires >= 0.21.8.

Suggested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-11-07 14:04:24 +04:00
Marc-André Lureau
cca1575686 build-sys: add a "pixman" feature
For now, pixman is mandatory, but we set config_host.h and Kconfig.
Once compilation is fixed, "pixman" will become actually optional.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2023-11-07 14:04:24 +04:00
David Woodhouse
cc9d10b9e8 docs: update Xen-on-KVM documentation
Add notes about console and network support, and how to launch PV guests.
Clean up the disk configuration examples now that that's simpler, and
remove the comment about IDE unplug on q35/AHCI now that it's fixed.

Update the -initrd option documentation to explain how to quote commas
in module command lines, and reference it when documenting PV guests.

Also update stale avocado test filename in MAINTAINERS.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
2023-11-07 08:58:02 +00:00
David Woodhouse
a73049953b xen-platform: unplug AHCI disks
To support Xen guests using the Q35 chipset, the unplug protocol needs
to also remove AHCI disks.

Make pci_xen_ide_unplug() more generic, iterating over the children
of the PCI device and destroying the "ide-hd" devices. That works the
same for both AHCI and IDE, as does the detection of the primary disk
as unit 0 on the bus named "ide.0".

Then pci_xen_ide_unplug() can be used for both AHCI and IDE devices.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
2023-11-07 08:56:06 +00:00
David Woodhouse
c10b4b3c0d hw/i386/pc: support '-nic' for xen-net-device
The default NIC creation seems a bit hackish to me. I don't understand
why each platform has to call pci_nic_init_nofail() from a point in the
code where it actually has a pointer to the PCI bus, and then we have
the special cases for things like ne2k_isa.

If qmp_device_add() can *find* the appropriate bus and instantiate
the device on it, why can't we just do that from generic code for
creating the default NICs too?

But that isn't a yak I want to shave today. Add a xenbus field to the
PCMachineState so that it can make its way from pc_basic_device_init()
to pc_nic_init() and be handled as a special case like ne2k_isa is.

Now we can launch emulated Xen guests with '-nic user'.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
2023-11-07 08:54:20 +00:00
David Woodhouse
25967ff69f hw/xen: update Xen PV NIC to XenDevice model
This allows us to use Xen PV networking with emulated Xen guests, and to
add them on the command line or hotplug.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
2023-11-07 08:54:20 +00:00
David Woodhouse
25511f3e8c hw/xen: only remove peers of PCI NICs on unplug
When the Xen guest asks to unplug *emulated* NICs, it's kind of unhelpful
also to unplug the peer of the *Xen* PV NIC.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
2023-11-07 08:54:20 +00:00
David Woodhouse
a72ccc7fc4 hw/xen: add support for Xen primary console in emulated mode
The primary console is special because the toolstack maps a page into
the guest for its ring, and also allocates the guest-side event channel.
The guest's grant table is even primed to export that page using a known
grant ref#. Add support for all that in emulated mode, so that we can
have a primary console.

For reasons unclear, the backends running under real Xen don't just use
a mapping of the well-known GNTTAB_RESERVED_CONSOLE grant ref (which
would also be in the ring-ref node in XenStore). Instead, the toolstack
sets the ring-ref node of the primary console to the GFN of the guest
page. The backend is expected to handle that special case and map it
with foreignmem operations instead.

We don't have an implementation of foreignmem ops for emulated Xen mode,
so just make it map GNTTAB_RESERVED_CONSOLE instead. This would probably
work for real Xen too, but we can't work out how to make real Xen create
a primary console of type "ioemu" to make QEMU drive it, so we can't
test that; might as well leave it as it is for now under Xen.

Now at last we can boot the Xen PV shim and run PV kernels in QEMU.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
2023-11-07 08:54:20 +00:00
David Woodhouse
9b77374690 hw/xen: update Xen console to XenDevice model
This allows (non-primary) console devices to be created on the command
line and hotplugged.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
2023-11-07 08:54:20 +00:00
David Woodhouse
eb6ae7a682 hw/xen: do not repeatedly try to create a failing backend device
If xen_backend_device_create() fails to instantiate a device, the XenBus
code will just keep trying over and over again each time the bus is
re-enumerated, as long as the backend appears online and in
XenbusStateInitialising.

The only thing which prevents the XenBus code from recreating duplicates
of devices which already exist, is the fact that xen_device_realize()
sets the backend state to XenbusStateInitWait. If the attempt to create
the device doesn't get *that* far, that's when it will keep getting
retried.

My first thought was to handle errors by setting the backend state to
XenbusStateClosed, but that doesn't work for XenConsole which wants to
*ignore* any device of type != "ioemu" completely.

So, make xen_backend_device_create() *keep* the XenBackendInstance for a
failed device, and provide a new xen_backend_exists() function to allow
xen_bus_type_enumerate() to check whether one already exists before
creating a new one.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
2023-11-07 08:54:20 +00:00
David Woodhouse
523b6b3aba hw/xen: add get_frontend_path() method to XenDeviceClass
The primary Xen console is special. The guest's side is set up for it by
the toolstack automatically and not by the standard PV init sequence.

Accordingly, its *frontend* doesn't appear in …/device/console/0 either;
instead it appears under …/console in the guest's XenStore node.

To allow the Xen console driver to override the frontend path for the
primary console, add a method to the XenDeviceClass which can be used
instead of the standard xen_device_get_frontend_path()

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
2023-11-07 08:54:20 +00:00
David Woodhouse
d3256f88d9 hw/xen: automatically assign device index to block devices
There's no need to force the user to assign a vdev. We can automatically
assign one, starting at xvda and searching until we find the first disk
name that's unused.

This means we can now allow '-drive if=xen,file=xxx' to work without an
explicit separate -driver argument, just like if=virtio.

Rip out the legacy handling from the xenpv machine, which was scribbling
over any disks configured by the toolstack, and didn't work with anything
but raw images.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Paul Durrant <paul@xen.org>
2023-11-07 08:54:20 +00:00
David Woodhouse
d388c9f53b hw/xen: populate store frontend nodes with XenStore PFN/port
This is kind of redundant since without being able to get these through
some other method (HVMOP_get_param) the guest wouldn't be able to access
XenStore in order to find them.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
2023-11-07 08:54:20 +00:00
David Woodhouse
8473607bcf i386/xen: advertise XEN_HVM_CPUID_UPCALL_VECTOR in CPUID
This will allow Linux guests (since v6.0) to use the per-vCPU upcall
vector delivered as MSI through the local APIC.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
2023-11-07 08:54:20 +00:00
David Woodhouse
8ac98aedda include: update Xen public headers to Xen 4.17.2 release
... in order to advertise the XEN_HVM_CPUID_UPCALL_VECTOR feature,
which will come in a subsequent commit.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Acked-by: Paul Durrant <paul@xen.org>
2023-11-07 08:54:20 +00:00
David Woodhouse
be15509882 hw/xen: Clean up event channel 'type_val' handling to use union
A previous implementation of this stuff used a 64-bit field for all of
the port information (vcpu/type/type_val) and did atomic exchanges on
them. When I implemented that in Qemu I regretted my life choices and
just kept it simple with locking instead.

So there's no need for the XenEvtchnPort to be so simplistic. We can
use a union for the pirq/virq/interdomain information, which lets us
keep a separate bit for the 'remote domain' in interdomain ports. A
single bit is enough since the only possible targets are loopback or
qemu itself.

So now we can ditch PORT_INFO_TYPEVAL_REMOTE_QEMU and the horrid
manual masking, although the in-memory representation is identical
so there's no change in the saved state ABI.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
2023-11-07 08:54:20 +00:00
David Woodhouse
547c9757dd i386/xen: Ignore VCPU_SSHOTTMR_future flag in set_singleshot_timer()
Upstream Xen now ignores this flag¹, since the only guest kernel ever to
use it was buggy.

¹ https://xenbits.xen.org/gitweb/?p=xen.git;a=commitdiff;h=19c6cbd909

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
2023-11-07 08:54:20 +00:00
Ani Sinha
94cd94f1c0 acpi/tests/avocado/bits: enable console logging from bits VM
Console logs from the VM can be useful for debugging when things go wrong.
Other avocado tests enables them. This change enables console logging with the
following changes:
 - point to the newer bios bits image that actually enabled VM console.
 - change the bits test to drain the console logs from the VM and write the
   logs.
 - wait for SHUTDOWN event from QEMU so that console logs can be drained out
   of the socket before it is closed as a part of vm.wait().

Additionally, following two cosmetic changes have been made:
 - Removed VM QEMU command line logging as avocado framework already logs it.
   This is a minor cleanup along the way.
 - Update my email to my work email in the avocado acpi bios bits test.

CC: jsnow@redhat.com
Signed-off-by: Ani Sinha <anisinha@redhat.com>
Message-Id: <20231027032120.6012-3-anisinha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-11-07 03:39:11 -05:00
Ani Sinha
a874ddc95a acpi/tests/avocado/bits: enforce 32-bit SMBIOS entry point
QEMU defaults to 64-bit entry point since the following commit
bf376f3020 ("hw/i386/pc: Default to use SMBIOS 3.0 for newer machine models")
The above change is applicable for all newer machine versions from version 8.1
and newer. i440fx and q35 machine versions 8.0 and older still use 32-bit entry
points.
Unfortunately, bits currently does not recognize 64-bit entry points and hence
is not able to parse SMBIOS tables. Therefore, we need to enforce 32-bit
SMBIOS entry point in QEMU command line so that bits is able to parse the
SMBIOS tables.
Once we implement the support in bits to parse 64-bit entry points, we can
remove the extra command line that is passed to enforce a 32-bit entry point.
The support can be added to the following smbios test script:
tests/avocado/acpi-bits/bits-tests/smbios.py2 in QEMU repository.

CC: jusual@redhat.com
CC: imammedo@redhat.com
Signed-off-by: Ani Sinha <anisinha@redhat.com>
Message-Id: <20231027032120.6012-2-anisinha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-11-07 03:39:11 -05:00
Jonathan Cameron
004e3a93b8 hw/cxl: Add tunneled command support to mailbox for switch cci.
This implementation of tunneling makes the choice that our Type 3 device is
a Logical Device (LD) of a Multi-Logical Device (MLD) that just happens to
only have one LD for now.

Tunneling is supported from a Switch Mailbox CCI (and shortly via MCTP over
I2C connected to the switch MCTP CCI) via an outer level to the FM owned LD
in the MLD Type 3 device. From there an inner tunnel may be used to access
particular LDs.

Protocol wise, the following is what happens in a real system but we
don't emulate the transports - just the destinations and the payloads.

( Host -> Switch Mailbox CCI - in band FM-API mailbox command
  or
  Host -> Switch MCTP CCI - MCTP over I2C using the CXL FM-API
  MCTP Binding.
)
then (if a tunnel command)
Switch -> Type 3 FM Owned LD - MCTP over PCI VDM using the
CXL FM-API binding (addressed by switch port)
then (if unwrapped command also a tunnel command)
Type 3 FM Owned LD to LD0 via internal transport
(addressed by LD number)

or (added shortly)

Host to Type 3 FM Owned MCTP CCI - MCTP over I2C using the
CXL FM-API MCTP Binding.
then (if unwrapped comand is a tunnel comamnd)
Type 3 FM Owned LD to LD0 via internal transport.
(addressed by LD number)

It is worth noting that the tunneling commands over PCI VDM
presumably use the appropriate MCTP binding depending on opcode.
This may be the CXL FMAPI binding or the CXL Memory Device Binding.

Additional commands will need to be added to make this
useful beyond testing the tunneling works.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Message-Id: <20231023160806.13206-18-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-11-07 03:39:11 -05:00