Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* Add cpu0-id to query-sev-capabilities
* whpx support for breakpoints and stepping
* initial support for Hyper-V Synthetic D

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* Add cpu0-id to query-sev-capabilities
* whpx support for breakpoints and stepping
* initial support for Hyper-V Synthetic Debugging
* use monotonic clock for QemuCond and QemuSemaphore
* Remove qemu-common.h include from most units and lots of other clenaups
* do not include headers for all virtio devices in virtio-ccw.h

# -----BEGIN PGP SIGNATURE-----
#
# iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmJXCQAUHHBib256aW5p
# QHJlZGhhdC5jb20ACgkQv/vSX3jHroNT6wf+NHDJUEdDiwaVGVTGXgHuiaycsymi
# FpNPiw/+XxSGN5xF3fkUGgqaDrcwIYwVfnXlghKSz8kp1cP3cjxa5CzNMLGTp5je
# N6BxFbD7yC6dhagGm3mj32jlsptv3M38OHqKc3t+RaUAotP5RF2VdCyfUBLG6vU0
# aMzvMfMtB5aG0D8Fr5EV63t1JMTceFU0YxsG73UCFs2Yx4Z0cGBbNxMbHweRhd1q
# tPeVDS46MFPM3/2cGGHpeeqxkoCTU7A9j1VuNQI3k+Kg+6W5YVxiK/UP7bw77E/a
# yAHsmIVTNro8ajMBch73weuHtGtdfFLvCKc6QX6aVjzK4dF1voQ01E7gPQ==
# =rMle
# -----END PGP SIGNATURE-----
# gpg: Signature made Wed 13 Apr 2022 10:31:44 AM PDT
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [undefined]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (53 commits)
target/i386: Remove unused XMMReg, YMMReg types and CPUState fields
target/i386: do not access beyond the low 128 bits of SSE registers
virtio-ccw: do not include headers for all virtio devices
virtio-ccw: move device type declarations to .c files
virtio-ccw: move vhost_ccw_scsi to a separate file
s390x: follow qdev tree to detect SCSI device on a CCW bus
hw: hyperv: Initial commit for Synthetic Debugging device
hyperv: Add support to process syndbg commands
hyperv: Add definitions for syndbg
hyperv: SControl is optional to enable SynIc
thread-posix: optimize qemu_sem_timedwait with zero timeout
thread-posix: implement Semaphore with QemuCond and QemuMutex
thread-posix: use monotonic clock for QemuCond and QemuSemaphore
thread-posix: remove the posix semaphore support
whpx: Added support for breakpoints and stepping
build-sys: simplify AF_VSOCK check
build-sys: drop ntddscsi.h check
Remove qemu-common.h include from most units
qga: remove explicit environ argument from exec/spawn
Move fcntl_setfl() to oslib-posix
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Replace TARGET_WORDS_BIGENDIAN

Convert the TARGET_WORDS_BIGENDIAN macro, similarly to what was done
with HOST_BIG_ENDIAN. The new TARGET_BIG_ENDIAN macro is either 0 or 1,
and thus should always be

Replace TARGET_WORDS_BIGENDIAN

Convert the TARGET_WORDS_BIGENDIAN macro, similarly to what was done
with HOST_BIG_ENDIAN. The new TARGET_BIG_ENDIAN macro is either 0 or 1,
and thus should always be defined to prevent misuse.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Suggested-by: Halil Pasic <pasic@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220323155743.1585078-8-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

Replace config-time define HOST_WORDS_BIGENDIAN

Replace a config-time define with a compile time condition
define (compatible with clang and gcc) that must be declared prior to
its usage. This avoid

Replace config-time define HOST_WORDS_BIGENDIAN

Replace a config-time define with a compile time condition
define (compatible with clang and gcc) that must be declared prior to
its usage. This avoids having a global configure time define, but also
prevents from bad usage, if the config header wasn't included before.

This can help to make some code independent from qemu too.

gcc supports __BYTE_ORDER__ from about 4.6 and clang from 3.2.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
[ For the s390x parts I'm involved in ]
Acked-by: Halil Pasic <pasic@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220323155743.1585078-7-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/armbru/tags/pull-include-2019-08-13-v2' into staging

Header cleanup patches for 2019-08-13

# gpg: Signature made Fri 16 Aug 2019 12:39:12 BST
# gpg:

Merge remote-tracking branch 'remotes/armbru/tags/pull-include-2019-08-13-v2' into staging

Header cleanup patches for 2019-08-13

# gpg: Signature made Fri 16 Aug 2019 12:39:12 BST
# gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg: issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-include-2019-08-13-v2: (29 commits)
sysemu: Split sysemu/runstate.h off sysemu/sysemu.h
sysemu: Move the VMChangeStateEntry typedef to qemu/typedefs.h
Include sysemu/sysemu.h a lot less
Clean up inclusion of sysemu/sysemu.h
numa: Move remaining NUMA declarations from sysemu.h to numa.h
Include sysemu/hostmem.h less
numa: Don't include hw/boards.h into sysemu/numa.h
Include hw/boards.h a bit less
Include hw/qdev-properties.h less
Include qemu/main-loop.h less
Include qemu/queue.h slightly less
Include hw/hw.h exactly where needed
Include qom/object.h slightly less
Include exec/memory.h slightly less
Include migration/vmstate.h less
migration: Move the VMStateDescription typedef to typedefs.h
Clean up inclusion of exec/cpu-common.h
Include hw/irq.h a lot less
typedefs: Separate incomplete types and function types
ide: Include hw/ide/internal a bit less outside hw/ide/
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

include: Make headers more self-contained

Back in 2016, we discussed[1] rules for headers, and these were
generally liked:

1. Have a carefully curated header that's included everywhere first. We

include: Make headers more self-contained

Back in 2016, we discussed[1] rules for headers, and these were
generally liked:

1. Have a carefully curated header that's included everywhere first. We
got that already thanks to Peter: osdep.h.

2. Headers should normally include everything they need beyond osdep.h.
If exceptions are needed for some reason, they must be documented in
the header. If all that's needed from a header is typedefs, put
those into qemu/typedefs.h instead of including the header.

3. Cyclic inclusion is forbidden.

This patch gets include/ closer to obeying 2.

It's actually extracted from my "[RFC] Baby steps towards saner
headers" series[2], which demonstrates a possible path towards
checking 2 automatically. It passes the RFC test there.

[1] Message-ID: <87h9g8j57d.fsf@blackfin.pond.sub.org>
https://lists.nongnu.org/archive/html/qemu-devel/2016-03/msg03345.html
[2] Message-Id: <20190711122827.18970-1-armbru@redhat.com>
https://lists.nongnu.org/archive/html/qemu-devel/2019-07/msg02715.html

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20190812052359.30071-2-armbru@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Linux header upgrade (Peter)
* firmware.json definition (Laszlo)
* IPMI migration fix (Corey)
* QOM improvements (Alex

Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Linux header upgrade (Peter)
* firmware.json definition (Laszlo)
* IPMI migration fix (Corey)
* QOM improvements (Alexey, Philippe, me)
* Memory API cleanups (Jay, me, Tristan, Peter)
* WHPX fixes and improvements (Lucian)
* Chardev fixes (Marc-André)
* IOMMU documentation improvements (Peter)
* Coverity fixes (Peter, Philippe)
* Include cleanup (Philippe)
* -clock deprecation (Thomas)
* Disable -sandbox unless CONFIG_SECCOMP (Yi Min Zhao)
* Configurability improvements (me)

# gpg: Signature made Fri 01 Jun 2018 17:42:13 BST
# gpg: using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (56 commits)
hw: make virtio devices configurable via default-configs/
hw: allow compiling out SCSI
memory: Make operations using MemoryRegionIoeventfd struct pass by pointer.
char: Remove unwanted crlf conversion
qdev: Remove DeviceClass::init() and ::exit()
qdev: Simplify the SysBusDeviceClass::init path
hw/i2c: Use DeviceClass::realize instead of I2CSlaveClass::init
hw/i2c/smbus: Use DeviceClass::realize instead of SMBusDeviceClass::init
target/i386/kvm.c: Remove compatibility shim for KVM_HINTS_REALTIME
Update Linux headers to 4.17-rc6
target/i386/kvm.c: Handle renaming of KVM_HINTS_DEDICATED
scripts/update-linux-headers: Handle kernel license no longer being one file
scripts/update-linux-headers: Handle __aligned_u64
virtio-gpu-3d: Define VIRTIO_GPU_CAPSET_VIRGL2 elsewhere
gdbstub: Prevent fd leakage
docs/interop: add "firmware.json"
ipmi: Use proper struct reference for KCS vmstate
vmstate: Add a VSTRUCT type
tcg: remove softfloat from --disable-tcg builds
qemu-options: Mark the non-functional -clock option as deprecated
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

hw: Do not include "exec/address-spaces.h" if it is not necessary

Code change produced with:
$ git grep '#include "exec/address-spaces.h"' hw include/hw | \
cut -d: -f-1 | \
xargs eg

hw: Do not include "exec/address-spaces.h" if it is not necessary

Code change produced with:
$ git grep '#include "exec/address-spaces.h"' hw include/hw | \
cut -d: -f-1 | \
xargs egrep -L "(get_system_|address_space_)" | \
xargs sed -i.bak '/#include "exec\/address-spaces.h"/d'

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180528232719.4721-12-f4bug@amsat.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

Merge remote-tracking branch 'clg/aspeed'

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio, pci: fixes, features

virtio is using region caches for performance
iommu support for IOTLBs
misc fixes

Signed-off-

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio, pci: fixes, features

virtio is using region caches for performance
iommu support for IOTLBs
misc fixes

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

# gpg: Signature made Fri 17 Feb 2017 19:53:02 GMT
# gpg: using RSA key 0x281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
# 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

* remotes/mst/tags/for_upstream: (23 commits)
intel_iommu: vtd_slpt_level_shift check level
intel_iommu: convert dbg macros to trace for trans
intel_iommu: convert dbg macros to traces for inv
intel_iommu: renaming gpa to iova where proper
intel_iommu: simplify irq region translation
intel_iommu: add "caching-mode" option
vfio: allow to notify unmap for very large region
vfio: introduce vfio_get_vaddr()
vfio: trace map/unmap for notify as well
pcie: simplify pcie_add_capability()
virtio: Fix no interrupt when not creating msi controller
virtio: use VRingMemoryRegionCaches for avail and used rings
virtio: check for vring setup in virtio_queue_update_used_idx
virtio: use VRingMemoryRegionCaches for descriptor ring
virtio: add MemoryListener to cache ring translations
virtio: use MemoryRegionCache to access descriptors
exec: make address_space_cache_destroy idempotent
virtio: use address_space_map/unmap to access descriptors
virtio: add virtio_*_phys_cached
memory: make memory_listener_unregister idempotent
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

virtio: add virtio_*_phys_cached

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by:

virtio: add virtio_*_phys_cached

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio, vhost, pc: fixes, features

beginnings of iotlb support for vhost
acpi hotplug rework
vhost net tx flush on link dow

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio, vhost, pc: fixes, features

beginnings of iotlb support for vhost
acpi hotplug rework
vhost net tx flush on link down
passing mtu to guests
hotplug for virtio crypto
fixes and cleanups all over the place

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

# gpg: Signature made Tue 10 Jan 2017 05:37:48 GMT
# gpg: using RSA key 0x281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
# 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

* remotes/mst/tags/for_upstream: (41 commits)
acpi-test: update expected files
memhp: move DIMM devices into dedicated scope with related common methods
memhp: don't generate memory hotplug AML if it's not enabled/supported
memhp: move memory hotplug only defines to memory_hotplug.c
memhp: move GPE handler_E03 into build_memory_hotplug_aml()
memhp: merge build_memory_devices() into build_memory_hotplug_aml()
memhp: consolidate scattered MHPD device declaration
memhp: move build_memory_devices() into memory_hotplug.c
memhp: move build_memory_hotplug_aml() into memory_hotplug.c
tests: pc: add memory hotplug acpi tables tests
virtio-net: Add MTU feature support
vhost-net: Notify the backend about the host MTU
vhost-user: Add MTU protocol feature and op
net: virtio-net discards TX data after link down
virtio: Introduce virtqueue_drop_all procedure
net: vhost stop updates virtio queue state
net: Add virtio queue interface to update used index from vring state
balloon: Don't balloon roms
virtio: fix vq->inuse recalc after migr
pcie_aer: support configurable AER capa version
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

virtio: convert to use DMA api

Currently, all virtio devices bypass IOMMU completely. This is because
address_space_memory is assumed and used during DMA emulation. This
patch converts the virtio co

virtio: convert to use DMA api

Currently, all virtio devices bypass IOMMU completely. This is because
address_space_memory is assumed and used during DMA emulation. This
patch converts the virtio core API to use DMA API. This idea is

- introducing a new transport specific helper to query the dma address
space. (only pci version is implemented).
- query and use this address space during virtio device guest memory
accessing when iommu platform (VIRTIO_F_IOMMU_PLATFORM) was enabled
for this device.

Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Amit Shah <amit.shah@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-block@nongnu.org
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/armbru/tags/pull-include-2016-07-12' into staging

Clean up #include "..." vs <...> and header guards

# gpg: Signature made Tue 12 Jul 2016 15:23:43 BST
# gpg:

Merge remote-tracking branch 'remotes/armbru/tags/pull-include-2016-07-12' into staging

Clean up #include "..." vs <...> and header guards

# gpg: Signature made Tue 12 Jul 2016 15:23:43 BST
# gpg: using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-include-2016-07-12:
cris: Fix broken header guard in hw/cris/boot.h
Clean up decorations and whitespace around header guards
Clean up ill-advised or unusual header guards
libdecnumber: Don't error out on decNumberLocal.h re-inclusion
libdecnumber: Don't fool around with guards to avoid #include
Clean up header guards that don't match their file name
Drop Emacs local variables lists redundant with .dir-locals.el
spapr_pci: Include spapr.h instead of playing games with #error
tcg: Clean up tcg-target.h header guards
linux-user: Fix broken header guard in syscall_defs.h
linux-user: Clean up hostdep.h header guards
linux-user: Clean up target_structs.h header guards
linux-user: Clean up target_signal.h header guards
linux-user: Clean up target_cpu.h header guards
linux-user: Clean up target_syscall.h header guards
target-*: Clean up cpu.h header guards
scripts: New clean-header-guards.pl
Use #include "..." for our own headers, <...> for others

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

Clean up ill-advised or unusual header guards

Cleaned up with scripts/clean-header-guards.pl.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc, pci, virtio: new features, cleanups, fixes

This includes some infrastructure for ipmi smbios tables.
Beginning of acpi

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc, pci, virtio: new features, cleanups, fixes

This includes some infrastructure for ipmi smbios tables.
Beginning of acpi hotplug rework by Igor for supporting >255 CPUs.
Misc cleanups and fixes.

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

# gpg: Signature made Tue 07 Jun 2016 13:55:22 BST
# gpg: using RSA key 0x281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"

* remotes/mst/tags/for_upstream: (25 commits)
virtio: move bi-endian target support to a single location
pc-dimm: introduce realize callback
pc-dimm: get memory region from ->get_memory_region()
acpi: make bios_linker_loader_add_checksum() API offset based
acpi: make bios_linker_loader_add_pointer() API offset based
tpm: apci: cleanup TCPA table initialization
acpi: cleanup bios_linker_loader_cleanup()
acpi: simplify bios_linker API by removing redundant 'table' argument
acpi: convert linker from GArray to BIOSLinker structure
pc: use AcpiDeviceIfClass.send_event to issue GPE events
acpi: extend ACPI interface to provide send_event hook
pc: Postpone SMBIOS table installation to post machine init
ipmi: rework the fwinfo to be fetched from the interface
tests: acpi: update tables with consolidated legacy cpu-hotplug AML
pc: acpi: cpuhp-legacy: switch ProcessorID to possible_cpus idx
pc: acpi: simplify build_legacy_cpu_hotplug_aml() signature
pc: acpi: consolidate legacy CPU hotplug in one file
pc: acpi: mark current CPU hotplug functions as legacy
pc: acpi: cpu-hotplug: make AML CPU_foo defines local to cpu_hotplug_acpi_table.c
pc: acpi: consolidate \GPE._E02 with the rest of CPU hotplug AML
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

virtio: move bi-endian target support to a single location

Paolo's recent cpu.h cleanups broke legacy virtio for ppc64 LE guests (and
arm BE guests as well, even if I have not verified that). Especi

virtio: move bi-endian target support to a single location

Paolo's recent cpu.h cleanups broke legacy virtio for ppc64 LE guests (and
arm BE guests as well, even if I have not verified that). Especially, commit
"33c11879fd42 qemu-common: push cpu.h inclusion out of qemu-common.h" has
the side-effect of silently hiding the TARGET_IS_BIENDIAN macro from the
virtio memory accessors, and thus fully disabling support of endian changing
targets.

To be sure this cannot happen again, let's gather all the bi-endian bits
where they belong in include/hw/virtio/virtio-access.h.

The changes in hw/virtio/vhost.c are safe because vhost_needs_vring_endian()
is not called on a hot path and non bi-endian targets will return false
anyway.

While here, also rename TARGET_IS_BIENDIAN to be more precise: it is only for
legacy virtio and bi-endian guests.

Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

vhost, virtio, pci, pxe

Fixes all over the place.
New tests for pxe.

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

#

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

vhost, virtio, pci, pxe

Fixes all over the place.
New tests for pxe.

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

# gpg: Signature made Thu 18 Feb 2016 15:46:39 GMT using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"

* remotes/mst/tags/for_upstream:
tests/vhost-user-bridge: add scattering of incoming packets
vhost-user interrupt management fixes
rules: filter out irrelevant files
change type of pci_bridge_initfn() to void
dec: convert to realize()
tests: add pxe e1000 and virtio-pci tests
msix: fix msix_vector_masked
virtio: optimize virtio_access_is_big_endian() for little-endian targets
vhost: simplify vhost_needs_vring_endian()
vhost: move virtio 1.0 check to cross-endian helper
virtio: move cross-endian helper to vhost
vhost-net: revert support of cross-endian vnet headers
virtio-net: use the backend cross-endian capabilities

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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virtio: optimize virtio_access_is_big_endian() for little-endian targets

When adding cross-endian support, we introduced the TARGET_IS_BIENDIAN macro
and the virtio_access_is_big_endian() helper to

virtio: optimize virtio_access_is_big_endian() for little-endian targets

When adding cross-endian support, we introduced the TARGET_IS_BIENDIAN macro
and the virtio_access_is_big_endian() helper to have a branchless fast path
in the virtio memory accessors for targets that don't switch endian.

This was considered as a strong requirement at the time.

Now we have added a runtime check for virtio 1.0, which ruins the benefit
of the virtio_access_is_big_endian() helper for always little-endian targets.

With this patch, always little-endian targets stop checking for virtio 1.0,
since the result is little-endian in all cases.

Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>

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virtio: move cross-endian helper to vhost

If target is bi-endian (ppc64, arm), the virtio_legacy_is_cross_endian()
indeed returns the runtime state of the virtio device. However, it returns
false un

virtio: move cross-endian helper to vhost

If target is bi-endian (ppc64, arm), the virtio_legacy_is_cross_endian()
indeed returns the runtime state of the virtio device. However, it returns
false unconditionally in the general case. This sounds a bit strange
given the name of the function.

This helper is only useful for vhost actually, where indeed non bi-endian
targets don't have to deal with cross-endian issues.

This patch moves the helper to vhost.c and gives it a more appropriate name.

Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>

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virtio-net: use the backend cross-endian capabilities

When running a fully emulated device in cross-endian conditions, including
a virtio 1.0 device offered to a big endian guest, we need to fix the

virtio-net: use the backend cross-endian capabilities

When running a fully emulated device in cross-endian conditions, including
a virtio 1.0 device offered to a big endian guest, we need to fix the vnet
headers. This is currently handled by the virtio_net_hdr_swap() function
in the core virtio-net code but it should actually be handled by the net
backend.

With this patch, virtio-net now tries to configure the backend to do the
endian fixing when the device starts (i.e. drivers sets the CONFIG_OK bit).
If the backend cannot support the requested endiannes, we have to fallback
onto virtio_net_hdr_swap(): this is recorded in the needs_vnet_hdr_swap flag,
to be used in the TX and RX paths.

Note that we reset the backend to the default behaviour (guest native
endianness) when the device stops (i.e. device status had CONFIG_OK bit and
driver unsets it). This is needed, with the linux tap backend at least,
otherwise the guest may lose network connectivity if rebooted into a
different endianness.

The current vhost-net code also tries to configure net backends. This will
be no more needed and will be reverted in a subsequent patch.

Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>

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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio,pc,acpi fixes, cleanups

Fixes all over the place.

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

# gpg: Signat

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio,pc,acpi fixes, cleanups

Fixes all over the place.

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

# gpg: Signature made Thu 10 Sep 2015 10:16:18 BST using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"

* remotes/mst/tags/for_upstream:
hw/pci: fix pci_update_mappings() trace events
pc: memhotplug: keep reserved-memory-end broken on 2.4 and earlier machines
pc: memhotplug: fix incorrectly set reserved-memory-end
acpi: Remove unused definition.
virtio: avoid leading underscores for helpers
pc: Remove redundant arguments from xen_hvm_init()
pci: Fix pci_device_iommu_address_space() bus propagation

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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virtio: avoid leading underscores for helpers

Commit ef546f1275f6563e8934dd5e338d29d9f9909ca6 ("virtio: add
feature checking helpers") introduced a helper __virtio_has_feature.
We don't want to use

virtio: avoid leading underscores for helpers

Commit ef546f1275f6563e8934dd5e338d29d9f9909ca6 ("virtio: add
feature checking helpers") introduced a helper __virtio_has_feature.
We don't want to use reserved identifiers, though, so let's
rename __virtio_has_feature to virtio_has_feature and virtio_has_feature
to virtio_vdev_has_feature.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio, vhost, pc fixes for 2.4

The only notable thing here is vhost-user multiqueue
revert. We'll work on making it stable

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio, vhost, pc fixes for 2.4

The only notable thing here is vhost-user multiqueue
revert. We'll work on making it stable in 2.5,
reverting now means we won't have to maintain
bug for bug compability forever.

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

# gpg: Signature made Mon Jul 20 12:24:00 2015 BST using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"

* remotes/mst/tags/for_upstream:
virtio-net: remove virtio queues if the guest doesn't support multiqueue
virtio-net: Flush incoming queues when DRIVER_OK is being set
pci_add_capability: remove duplicate comments
virtio-net: unbreak any layout
Revert "vhost-user: add multi queue support"
ich9: fix skipped vmstate_memhp_state subsection

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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virtio-net: unbreak any layout

Commit 032a74a1c0fcdd5fd1c69e56126b4c857ee36611
("virtio-net: byteswap virtio-net header") breaks any layout by
requiring out_sg[0].iov_len >= n->guest_hdr_len. Fixing

virtio-net: unbreak any layout

Commit 032a74a1c0fcdd5fd1c69e56126b4c857ee36611
("virtio-net: byteswap virtio-net header") breaks any layout by
requiring out_sg[0].iov_len >= n->guest_hdr_len. Fixing this by
copying header to temporary buffer if swap is needed, and then use
this buffer as part of out_sg.

Fixes 032a74a1c0fcdd5fd1c69e56126b4c857ee36611
("virtio-net: byteswap virtio-net header")
Cc: qemu-stable@nongnu.org
Cc: clg@fr.ibm.com
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>

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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio, pci fixes, enhancements

Most notably this includes virtio cross-endian patches.

Signed-off-by: Michael S. Tsirkin

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio, pci fixes, enhancements

Most notably this includes virtio cross-endian patches.

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

# gpg: Signature made Fri Jun 19 11:18:05 2015 BST using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"

* remotes/mst/tags/for_upstream:
vhost: enable vhost without without MSI-X
pci: Don't register a specialized 'config_write' if default behavior is intended
hw/core: rebase sysbus_get_fw_dev_path() to g_strdup_printf()
vhost_net: re-enable when cross endian
vhost-net: tell tap backend about the vnet endianness
tap: fix non-linux build
tap: add VNET_LE/VNET_BE operations
vhost: set vring endianness for legacy virtio
virtio: introduce virtio_legacy_is_cross_endian()
linux-headers: sync vhost.h
vhost-user: part of virtio

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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