On 1/17/23 00:56, Peter Delevoryas wrote:
EEPROM's are a form of non-volatile memory. After power-cycling an EEPROM,
I would expect the I2C state machine to be reset to default values, but I
wouldn't really expect the memory to change at all.
The current implementation of the at24c EEPROM
On 1/17/23 00:56, Peter Delevoryas wrote:
- Create aspeed_eeprom.c and aspeed_eeprom.h
- Include aspeed_eeprom.c in CONFIG_ASPEED meson source files
- Include aspeed_eeprom.h in aspeed.c
- Add fby35_bmc_fruid data
- Use new at24c_eeprom_init_rom helper to initialize BMC FRUID EEPROM with data
On 1/17/23 00:56, Peter Delevoryas wrote:
Allows users to specify binary data to initialize an EEPROM, allowing users to
emulate data programmed at manufacturing time.
- Added init_rom and init_rom_size attributes to TYPE_AT24C_EE
- Added at24c_eeprom_init_rom helper function to initialize
On 11/1/23 14:35, Zenghui Yu wrote:
Hi Alexander,
On 2022/12/23 17:01, Alexander Graf wrote:
Let's explicitly list out all accelerators that we support when trying to
determine the supported set of GIC versions. KVM was already separate, so
the only missing one is HVF which simply reuses all
On 16/01/2023 22.09, Nina Schoetterl-Glausch wrote:
On Thu, 2023-01-05 at 15:53 +0100, Pierre Morel wrote:
The modification of the CPU attributes are done through a monitor
commands.
It allows to move the core inside the topology tree to optimise
the cache usage in the case the host's
On 16/01/2023 17.32, Pierre Morel wrote:
On 1/10/23 12:37, Thomas Huth wrote:
...
Other question: Do we have "node-id"s on s390x? If not, is that similar to
books or drawers, i.e. just another word? If so, we should maybe rather
re-use "nodes" instead of introducing a new name for the same
On 16/01/2023 18.28, Pierre Morel wrote:
On 1/13/23 17:58, Nina Schoetterl-Glausch wrote:
On Thu, 2023-01-05 at 15:53 +0100, Pierre Morel wrote:
S390 adds two new SMP levels, drawers and books to the CPU
topology.
The S390 CPU have specific toplogy features like dedication
and polarity to
On 11/1/23 17:13, Cornelia Huck wrote:
Acked-by: Thomas Huth
Signed-off-by: Cornelia Huck
---
tests/qtest/arm-cpu-features.c | 76 ++
1 file changed, 76 insertions(+)
Reviewed-by: Philippe Mathieu-Daudé
On 1/17/23 00:56, Peter Delevoryas wrote:
This helper is useful in board initialization because lets users initialize and
realize an EEPROM on an I2C bus with a single function call.
Signed-off-by: Peter Delevoryas
Reviewed-by: Cédric Le Goater
Thanks,
C.
---
hw/arm/aspeed.c
Am 16.01.23 um 09:58 schrieb Daniel P. Berrangé:
On Sun, Dec 18, 2022 at 06:39:00PM +0100, Volker Rümelin wrote:
Am 18.12.22 um 18:26 schrieb Philippe Mathieu-Daudé:
On 18/12/22 18:15, Volker Rümelin wrote:
Use g_malloc0() as a direct replacement for audio_calloc().
Signed-off-by: Volker
Hi Klaus,
On 16/1/23 16:46, Ripke, Klaus wrote:
Signed-off-by: Klaus Ripke
hw/usb/dev-smartcard-reader.c:
Set some static values from ccid_properties.
---
hw/usb/dev-smartcard-reader.c | 35 ++-
1 file changed, 30 insertions(+), 5 deletions(-)
diff --git
Am 16.01.23 um 10:03 schrieb Daniel P. Berrangé:
On Sun, Dec 18, 2022 at 06:15:36PM +0100, Volker Rümelin wrote:
Replace audio_calloc() with the equivalent g_new0().
With a n_structs argument >= 1, g_new0() never returns NULL.
Also remove the unnecessary NULL checks.
Signed-off-by: Volker
On Tue, Jan 17, 2023 at 5:38 AM Jason Wang wrote:
>
>
> 在 2023/1/16 17:53, Eugenio Perez Martin 写道:
> > On Mon, Jan 16, 2023 at 4:32 AM Jason Wang wrote:
> >>
> >> 在 2023/1/13 15:40, Eugenio Perez Martin 写道:
> >>> On Fri, Jan 13, 2023 at 5:10 AM Jason Wang wrote:
> On Fri, Jan 13, 2023 at
On Tue, Jan 17, 2023 at 4:58 AM Michael S. Tsirkin wrote:
>
> On Wed, Jan 11, 2023 at 01:51:06PM +0800, Jason Wang wrote:
> > On Wed, Jan 11, 2023 at 12:40 PM Parav Pandit wrote:
> > >
> > >
> > > > From: Jason Wang
> > > > Sent: Tuesday, January 10, 2023 11:35 PM
> > > >
> > > > On Tue, Jan
On 16/1/23 18:23, Peter Delevoryas wrote:
On Mon, Jan 16, 2023 at 01:30:19PM +0100, Philippe Mathieu-Daudé wrote:
On 14/1/23 18:01, Peter Delevoryas wrote:
Signed-off-by: Peter Delevoryas
---
hw/arm/aspeed.c | 49 +
1 file changed, 49
在 2023/1/16 17:33, Eugenio Perez Martin 写道:
On Mon, Jan 16, 2023 at 6:24 AM Michael S. Tsirkin wrote:
On Mon, Jan 16, 2023 at 11:34:20AM +0800, Jason Wang wrote:
在 2023/1/13 15:46, Eugenio Perez Martin 写道:
On Fri, Jan 13, 2023 at 5:25 AM Jason Wang wrote:
在 2023/1/13 01:24, Eugenio Pérez
在 2023/1/17 00:16, Eugenio Perez Martin 写道:
On Mon, Jan 16, 2023 at 7:37 AM Jason Wang wrote:
在 2023/1/13 16:19, Eugenio Perez Martin 写道:
On Fri, Jan 13, 2023 at 5:36 AM Jason Wang wrote:
On Fri, Jan 13, 2023 at 1:25 AM Eugenio Pérez wrote:
To restore the device at the destination of a
On Mon, Jan 16, 2023 at 10:14:07PM +0100, Klaus Jensen wrote:
> I noticed that the Linux driver does not use the INTMS/INTMC registers
> to mask interrupts on the controller while processing CQEs. While not
> required by the spec, it is *recommended* in setups not using MSI-X to
> reduce the risk
在 2023/1/16 17:53, Eugenio Perez Martin 写道:
On Mon, Jan 16, 2023 at 4:32 AM Jason Wang wrote:
在 2023/1/13 15:40, Eugenio Perez Martin 写道:
On Fri, Jan 13, 2023 at 5:10 AM Jason Wang wrote:
On Fri, Jan 13, 2023 at 1:24 AM Eugenio Pérez wrote:
At this moment it is only possible to migrate
在 2023/1/16 17:14, Eugenio Perez Martin 写道:
On Mon, Jan 16, 2023 at 4:05 AM Jason Wang wrote:
在 2023/1/13 15:28, Eugenio Perez Martin 写道:
On Fri, Jan 13, 2023 at 4:53 AM Jason Wang wrote:
On Fri, Jan 13, 2023 at 1:24 AM Eugenio Pérez wrote:
Only create iova_tree if and when it is
There are some tests for which SIGTERM appears insufficient.
Signed-off-by: Richard Henderson
---
tests/tcg/Makefile.target | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tests/tcg/Makefile.target b/tests/tcg/Makefile.target
index 14bc013181..a3b0aaf8af 100644
---
Use of start_exclusive on this exit path leads to deadlock,
in particular when called from dump_core_and_abort. There
does not appear to be a need for it.
While we're at it, skip the entire function if no plugins.
Signed-off-by: Richard Henderson
---
plugins/core.c | 6 +++---
1 file changed,
The first patch addresses the fact that linux-user blocks all signals
while attempting to handle guest signals (e.g. ABRT), which means that
the default TERM sent by timeout has no effect -- KILL instead.
When a guest aborts (possible nios2 guest bug), sending SIGABRT to
itself, I have caught one
Rather than iterate over all plugins for all events,
iterate over plugins that have registered a given event.
Signed-off-by: Richard Henderson
---
plugins/core.c | 7 ---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/plugins/core.c b/plugins/core.c
index
On Tue, Jan 17, 2023 at 5:02 AM Michael S. Tsirkin wrote:
>
> On Wed, Dec 07, 2022 at 09:56:20AM +0100, Eugenio Perez Martin wrote:
> > > A dumb question, any reason we need bother with virtio-net? It looks
> > > to me it's not a must and would complicate migration compatibility.
> > >
> > > I
On 1/16/23 19:27, Daniel P. Berrangé wrote:
On Mon, Jan 16, 2023 at 05:53:07PM +0800, zhenwei pi wrote:
On 12/20/22 23:36, Michael S. Tsirkin wrote:
On Tue, Nov 22, 2022 at 10:07:45PM +0800, zhenwei pi wrote:
v1 -> v2:
- fix coding style and use 'g_strjoin()' instead of 'char services[128]'
Am 16. Januar 2023 16:29:30 UTC schrieb Igor Mammedov :
>On Mon, 16 Jan 2023 16:29:03 +0100
>Bernhard Beschow wrote:
>
>> This class attribute was always set to pc_madt_cpu_entry().
>> pc_madt_cpu_entry() is architecture dependent and was assigned to the
>> attribute even in architecture
aspeed_eeprom_init is an exact copy of at24c_eeprom_init, not needed.
Signed-off-by: Peter Delevoryas
Reviewed-by: Cédric Le Goater
Reviewed-by: Philippe Mathieu-Daudé
---
hw/arm/aspeed.c | 95 ++---
1 file changed, 43 insertions(+), 52 deletions(-)
- Create aspeed_eeprom.c and aspeed_eeprom.h
- Include aspeed_eeprom.c in CONFIG_ASPEED meson source files
- Include aspeed_eeprom.h in aspeed.c
- Add fby35_bmc_fruid data
- Use new at24c_eeprom_init_rom helper to initialize BMC FRUID EEPROM with data
from aspeed_eeprom.c
wget
This helper is useful in board initialization because lets users initialize and
realize an EEPROM on an I2C bus with a single function call.
Signed-off-by: Peter Delevoryas
---
hw/arm/aspeed.c | 10 +-
hw/arm/npcm7xx_boards.c | 20 +---
EEPROM's are a form of non-volatile memory. After power-cycling an EEPROM,
I would expect the I2C state machine to be reset to default values, but I
wouldn't really expect the memory to change at all.
The current implementation of the at24c EEPROM resets its internal memory on
reset. This matches
Allows users to specify binary data to initialize an EEPROM, allowing users to
emulate data programmed at manufacturing time.
- Added init_rom and init_rom_size attributes to TYPE_AT24C_EE
- Added at24c_eeprom_init_rom helper function to initialize attributes
Signed-off-by: Peter Delevoryas
---
v1: https://lore.kernel.org/qemu-devel/20230114170151.87833-1-pe...@pjd.dev/
v2:
- Squashed 3 commits from original series into extract helper commit
- Dropped last 2 commits from original series
- Changed at24c_eeprom_init to return the I2CSlave object
- Added commit to introduce
From: Ilya Leoshkevich
Add ability to dump /tmp/perf-.map and jit-.dump.
The first one allows the perf tool to map samples to each individual
translation block. The second one adds the ability to resolve symbol
names, line numbers and inspect JITed code.
Example of use:
perf record
The following changes since commit fb7e7990342e59cf67dbd895c1a1e3fb1741df7a:
tests/qtest/qom-test: Do not print tested properties by default (2023-01-16
15:00:57 +)
are available in the Git repository at:
https://gitlab.com/rth7680/qemu.git tags/pull-tcg-20230116
for you to fetch
Recently the g_assert(cpu == current_cpu) test has been
intermittently failing with gcc. Reorg the code around
the setjmp to minimize the lifetime of the cpu variable
affected by the setjmp.
This appears to fix the existing issue with clang as well.
Resolves:
Use the attribute, which is supported by clang, instead of
the #pragma, which is not supported and, for some reason,
also not detected by the meson probe, so we fail by -Werror.
Include only as that is the outermost "official"
header for these intrinsics -- emmintrin.h and smmintrin -- are
older
From: Ilya Leoshkevich
Add libdw-based functions for loading and querying debuginfo. Load
debuginfo from the system and the linux-user loaders.
This is useful for the upcoming perf support, which can then put
human-readable guest symbols instead of raw guest PCs into perfmap and
jitdump files.
The following changes since commit fb7e7990342e59cf67dbd895c1a1e3fb1741df7a:
tests/qtest/qom-test: Do not print tested properties by default (2023-01-16
15:00:57 +)
are available in the Git repository at:
https://gitlab.com/rth7680/qemu.git tags/pull-tcg-20230116
for you to fetch
From: Ilya Leoshkevich
When exiting due to an exit() syscall, qemu-user calls
preexit_cleanup(), but this is currently not the case when exiting due
to a signal. This leads to various buffers not being flushed (e.g.,
for gprof, for gcov, and for the upcoming perf support).
Add the missing call.
From: David Woodhouse
Under real Xen we only need to munmap() but in the emulation code will want
to know the original ref to keep the the tracking straight.
Signed-off-by: David Woodhouse
---
hw/9pfs/xen-9p-backend.c| 7 ---
hw/block/dataplane/xen-block.c | 1 +
From: David Woodhouse
The way that Xen handles MSI PIRQs is kind of awful.
There is a special MSI message which targets a PIRQ. The vector in the
low bits of data must be zero. The low 8 bits of the PIRQ# are in the
destination ID field, the extended destination ID field is unused, and
instead
From: David Woodhouse
Now that we're close to being able to use the PV backends without actual
Xen, move the bus instantiation out from xen_hvm_init_pc() to pc_init1().
However, still only do it for (xen_mode == XEN_ATTACH) (i.e. when running
on true Xen) because we don't have XenStore ops for
From: David Woodhouse
This is limited to mapping a single grant at a time, because under Xen the
pages are mapped *contiguously* into qemu's address space, and that's very
hard to do when those pages actually come from anonymous mappings in qemu
in the first place.
Eventually perhaps we can
This is what's in flux on top of the series posted as v7.
It contains both the PV back end support and the PIRQ support which were
previous posted in separate series. The former is mostly unchanged, and
we still need to either port that C++ XenStore implementation or make
Xen's own xenstored stop
From: David Woodhouse
There's no need for this to be in the Xen accel code, and as we want to
use the Xen console support with KVM-emulated Xen we'll want to have a
platform-agnostic version of it. Make it use GString to build up the
path while we're at it.
Signed-off-by: David Woodhouse
---
From: David Woodhouse
In emulation, mapping more than one grant ref to be virtually contiguous
would be fairly difficult. The best way to do it might be to make the
ram_block mappings actually backed by a file (shmem or a deleted file,
perhaps) so that we can have multiple *shared* mappings of
From: Paul Durrant
Signed-off-by: Paul Durrant
Signed-off-by: David Woodhouse
---
accel/xen/xen-all.c | 11 +-
hw/char/xen_console.c | 2 +-
hw/xen/xen-bus-helper.c | 61 +++
hw/xen/xen-bus.c| 258
From: David Woodhouse
Signed-off-by: David Woodhouse
Signed-off-by: Paul Durrant
---
hw/9pfs/xen-9p-backend.c| 24 +++---
hw/i386/xen/xen-hvm.c | 28 ---
hw/xen/meson.build | 1 +
hw/xen/xen-bus.c| 22 +++---
From: David Woodhouse
Just hook up the basic hypercalls to stubs in xen_evtchn.c for now.
Signed-off-by: David Woodhouse
---
hw/i386/kvm/xen_evtchn.c | 25
hw/i386/kvm/xen_evtchn.h | 11
target/i386/kvm/xen-compat.h | 19 ++
target/i386/kvm/xen-emu.c| 118
From: David Woodhouse
Signed-off-by: David Woodhouse
---
hw/i386/kvm/xen_evtchn.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/hw/i386/kvm/xen_evtchn.c b/hw/i386/kvm/xen_evtchn.c
index b23bb71abb..b571517b2c 100644
--- a/hw/i386/kvm/xen_evtchn.c
+++
From: David Woodhouse
If I advertise XENFEAT_hvm_pirqs then a guest now boots successfully as
long as I tell it 'pci=nomsi'.
[root@localhost ~]# cat /proc/interrupts
CPU0
0: 52 IO-APIC 2-edge timer
1: 16 xen-pirq 1-ioapic-edge i8042
4: 1534
From: David Woodhouse
Signed-off-by: David Woodhouse
---
hw/i386/kvm/xen_xenstore.c | 13 ++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/hw/i386/kvm/xen_xenstore.c b/hw/i386/kvm/xen_xenstore.c
index 6369e29f59..6e712816d3 100644
--- a/hw/i386/kvm/xen_xenstore.c
From: David Woodhouse
Now that we have the redirectable Xen backend operations we can build the
PV backends even without the Xen libraries.
Signed-off-by: David Woodhouse
---
hw/9pfs/meson.build| 2 +-
hw/block/dataplane/meson.build | 2 +-
hw/block/meson.build | 2 +-
From: David Woodhouse
Signed-off-by: David Woodhouse
Signed-off-by: Paul Durrant
---
hw/char/xen_console.c| 8 ++--
hw/display/xenfb.c | 20 +-
hw/xen/xen-operations.c | 63
include/hw/xen/xen_backend_ops.h | 26
From: David Woodhouse
This header is now only for native Xen code, not PV backends that may be
used in Xen emulation. Since the toolstack libraries may depend on the
specific version of Xen headers that they pull in (and will set the
__XEN_TOOLS__ macro to enable internal definitions that they
From: David Woodhouse
XC_PAGE_SIZE comes from the actual Xen libraries, while XEN_PAGE_SIZE is
provided by QEMU itself in xen_backend_ops.h. For backends which may be
built for emulation mode, use the latter.
Signed-off-by: David Woodhouse
---
hw/block/dataplane/xen-block.c | 8
From: David Woodhouse
This is only part of it; we will also need to get the PV back end drivers
to tear down their own mappings (or do it for them, but they kind of need
to stop using the pointers too).
Signed-off-by: David Woodhouse
---
hw/i386/kvm/xen_gnttab.c | 26
From: David Woodhouse
This wires up the basic infrastructure but the actual interrupts aren't
there yet, so don't advertise it to the guest.
Signed-off-by: David Woodhouse
---
hw/i386/kvm/trace-events | 4 +
hw/i386/kvm/trace.h | 1 +
hw/i386/kvm/xen_evtchn.c | 252
From: Ankur Arora
The HVMOP_set_evtchn_upcall_vector hypercall sets the per-vCPU upcall
vector, to be delivered to the local APIC just like an MSI (with an EOI).
This takes precedence over the system-wide delivery method set by the
HVMOP_set_param hypercall with HVM_PARAM_CALLBACK_IRQ. It's
From: David Woodhouse
This just initializes the basic Xen support in KVM for now. Only permitted
on TYPE_PC_MACHINE because that's where the sysbus devices for Xen heap
overlay, event channel, grant tables and other stuff will exist. There's
no point having the basic hypercall support if nothing
From: Joao Martins
Which is used to fetch xenstore PFN and port to be used
by the guest. This is preallocated by the toolstack when
guest will just read those and use it straight away.
Signed-off-by: Joao Martins
Signed-off-by: David Woodhouse
---
target/i386/kvm/xen-emu.c | 39
From: David Woodhouse
There are (at least) three different vCPU ID number spaces. One is the
internal KVM vCPU index, based purely on which vCPU was chronologically
created in the kernel first. If userspace threads are all spawned and
create their KVM vCPUs in essentially random order, then the
From: David Woodhouse
For the shared info page and for grant tables, Xen shares its own pages
from the "Xen heap" to the guest. The guest requests that a given page
from a certain address space (XENMAPSPACE_shared_info, etc.) be mapped
to a given GPA using the XENMEM_add_to_physmap hypercall.
Even before this is merged, we've been able to use it to find bugs in
the Linux Xen guest support, and test the fixes.
https://lore.kernel.org/all/4bffa69a949bfdc92c4a18e5a1c3cbb3b94a0d32.ca...@infradead.org/
https://lore.kernel.org/all/871qnunycr.ffs@tglx/
Version 7 is some trivial cosmetics,
From: David Woodhouse
Signed-off-by: David Woodhouse
---
hw/i386/kvm/xen_gnttab.c | 80 ++-
hw/i386/kvm/xen_overlay.c | 2 +-
hw/i386/kvm/xen_overlay.h | 2 +
3 files changed, 82 insertions(+), 2 deletions(-)
diff --git a/hw/i386/kvm/xen_gnttab.c
From: David Woodhouse
Signed-off-by: David Woodhouse
---
accel/kvm/kvm-all.c | 1 +
include/sysemu/kvm_int.h | 1 +
include/sysemu/kvm_xen.h | 1 +
target/i386/kvm/kvm.c | 34 ++
target/i386/kvm/xen-emu.c | 6 ++
5 files changed, 43
From: David Woodhouse
They both do the same thing and just call sched_yield. This is enough to
stop the Linux guest panicking when running on a host kernel which doesn't
intercept SCHEDOP_poll and lets it reach userspace.
Signed-off-by: David Woodhouse
Reviewed-by: Paul Durrant
---
From: David Woodhouse
The xen_overlay device (and later similar devices for event channels and
grant tables) need to be instantiated. Do this from a kvm_type method on
the PC machine derivatives, since KVM is only way to support Xen emulation
for now.
Signed-off-by: David Woodhouse
---
From: Joao Martins
Introduce support for one shot and periodic mode of Xen PV timers,
whereby timer interrupts come through a special virq event channel
with deadlines being set through:
1) set_timer_op hypercall (only oneshot)
2) vcpu_op hypercall for {set,stop}_{singleshot,periodic}_timer
From: David Woodhouse
This finally comes with a mechanism for actually injecting events into
the guest vCPU, with all the atomic-test-and-set that's involved in
setting the bit in the shinfo, then the index in the vcpu_info, and
injecting either the lapic vector as MSI, or letting KVM inject the
From: Joao Martins
This is just meant to serve as an example on how we can implement
hypercalls. xen_version specifically since Qemu does all kind of
feature controllability. So handling that here seems appropriate.
Signed-off-by: Joao Martins
[dwmw2: Implement kvm_gva_rw() safely]
From: David Woodhouse
Signed-off-by: David Woodhouse
---
hw/i386/kvm/xen_evtchn.c | 180 ++
hw/i386/kvm/xen_evtchn.h | 2 +
target/i386/kvm/xen-emu.c | 12 +++
3 files changed, 194 insertions(+)
diff --git a/hw/i386/kvm/xen_evtchn.c
From: David Woodhouse
Signed-off-by: David Woodhouse
---
hw/i386/kvm/meson.build | 1 +
hw/i386/kvm/xen_gnttab.c | 110 ++
hw/i386/kvm/xen_gnttab.h | 18 +++
hw/i386/pc.c | 2 +
target/i386/kvm/xen-emu.c | 3 ++
5 files changed,
From: Joao Martins
Handle the hypercall to set a per vcpu info, and also wire up the default
vcpu_info in the shared_info page for the first 32 vCPUs.
To avoid deadlock within KVM a vCPU thread must set its *own* vcpu_info
rather than it being set from the context in which the hypercall is
From: David Woodhouse
The provides the QEMU side of interdomain event channels, allowing events
to be sent to/from the guest.
The API mirrors libxenevtchn, and in time both this and the real Xen one
will be available through ops structures so that the PV backend drivers
can use the correct one
From: David Woodhouse
It calls an internal close_port() helper which will also be used from
EVTCHNOP_reset and will actually do the work to disconnect/unbind a port
once any of that is actually implemented in the first place.
That in turn calls a free_port() internal function which will be in
From: David Woodhouse
Xen will "latch" the guest's 32-bit or 64-bit ("long mode") setting when
the guest writes the MSR to fill in the hypercall page, or when the guest
sets the event channel callback in HVM_PARAM_CALLBACK_IRQ.
KVM handles the former and sets the kernel's long_mode flag
From: Joao Martins
It allows to shutdown itself via hypercall with any of the 3 reasons:
1) self-reboot
2) shutdown
3) crash
Implementing SCHEDOP_shutdown sub op let us handle crashes gracefully rather
than leading to triple faults if it remains unimplemented.
In addition, the
From: David Woodhouse
The guest is permitted to specify an arbitrary domain/bus/device/function
and INTX pin from which the callback IRQ shall appear to have come.
In QEMU we can only easily do this for devices that actually exist, and
even that requires us "knowing" that it's a PCMachine in
From: Joao Martins
Allow guest to setup the vcpu runstates which is used as
steal clock.
Signed-off-by: Joao Martins
Signed-off-by: David Woodhouse
Reviewed-by: Paul Durrant
---
target/i386/cpu.h | 1 +
target/i386/kvm/xen-emu.c | 57 +++
From: David Woodhouse
Signed-off-by: David Woodhouse
Reviewed-by: Paul Durrant
---
target/i386/kvm/xen-compat.h | 24 +
target/i386/kvm/xen-emu.c| 69
2 files changed, 93 insertions(+)
diff --git a/target/i386/kvm/xen-compat.h
From: Joao Martins
Specifically add listing, injection of event channels.
Signed-off-by: Joao Martins
Signed-off-by: David Woodhouse
Acked-by: Dr. David Alan Gilbert
---
hmp-commands.hx | 29
hw/i386/kvm/meson.build | 4 ++
hw/i386/kvm/xen-stubs.c | 25 +++
From: David Woodhouse
Signed-off-by: David Woodhouse
---
hw/i386/kvm/xen_evtchn.c | 40 +++
hw/i386/kvm/xen_evtchn.h | 2 ++
target/i386/kvm/xen-emu.c | 12
3 files changed, 54 insertions(+)
diff --git a/hw/i386/kvm/xen_evtchn.c
From: David Woodhouse
This adds the basic structure for maintaining the port table and reporting
the status of ports therein.
Signed-off-by: David Woodhouse
---
hw/i386/kvm/xen_evtchn.c | 104 ++
hw/i386/kvm/xen_evtchn.h | 3 ++
include/sysemu/kvm_xen.h
From: David Woodhouse
Signed-off-by: David Woodhouse
---
hw/i386/kvm/xen_gnttab.c | 19 +++
hw/i386/kvm/xen_gnttab.h | 2 ++
target/i386/kvm/xen-emu.c | 16 +++-
3 files changed, 36 insertions(+), 1 deletion(-)
diff --git a/hw/i386/kvm/xen_gnttab.c
From: Joao Martins
This is simply when guest tries to register a vcpu_info
and since vcpu_info placement is optional in the minimum ABI
therefore we can just fail with -ENOSYS
Signed-off-by: Joao Martins
Signed-off-by: David Woodhouse
Reviewed-by: Paul Durrant
---
target/i386/kvm/xen-emu.c
From: David Woodhouse
The kvm_xen_inject_vcpu_callback_vector() function will either deliver
the per-vCPU local APIC vector (as an MSI), or just kick the vCPU out
of the kernel to trigger KVM's automatic delivery of the global vector.
Support for asserting the GSI/PCI_INTX callbacks will come
From: Joao Martins
This means handling the new exit reason for Xen but still
crashing on purpose. As we implement each of the hypercalls
we will then return the right return code.
Signed-off-by: Joao Martins
[dwmw2: Add CPL to hypercall tracing, disallow hypercalls from CPL > 0]
Signed-off-by:
From: David Woodhouse
Signed-off-by: David Woodhouse
---
hw/i386/kvm/xen_evtchn.c | 29 +
hw/i386/kvm/xen_evtchn.h | 3 +++
target/i386/kvm/xen-emu.c | 17 +
3 files changed, 49 insertions(+)
diff --git a/hw/i386/kvm/xen_evtchn.c
From: David Woodhouse
The XEN_EMU option will cover core Xen support in target/, which exists
only for x86 with KVM today but could theoretically also be implemented
on Arm/Aarch64 and with TCG or other accelerators. It will also cover
the support for architecture-independent grant table and
From: Joao Martins
Specifically XENMEM_add_to_physmap with space XENMAPSPACE_shared_info to
allow the guest to set its shared_info page.
Signed-off-by: Joao Martins
[dwmw2: Use the xen_overlay device, add compat support]
Signed-off-by: David Woodhouse
Reviewed-by: Paul Durrant
---
From: David Woodhouse
Just the basic shell, with the event channel hookup. It only dumps the
buffer for now; a real ring implmentation will come in a subsequent patch.
Signed-off-by: David Woodhouse
---
hw/i386/kvm/meson.build| 1 +
hw/i386/kvm/xen_evtchn.c | 1 +
From: David Woodhouse
Also set XEN_ATTACH mode in xen_init() to reflect the truth; not that
anyone ever cared before. It was *only* ever checked in xen_init_pv()
before.
Suggested-by: Paolo Bonzini
Signed-off-by: David Woodhouse
Reviewed-by: Paul Durrant
---
accel/xen/xen-all.c | 2 ++
From: Ankur Arora
This is the hook for adding the HVM_PARAM_CALLBACK_IRQ parameter in a
subsequent commit.
Signed-off-by: Ankur Arora
Signed-off-by: Joao Martins
[dwmw2: Split out from another commit]
Signed-off-by: David Woodhouse
Reviewed-by: Paul Durrant
---
target/i386/kvm/xen-emu.c |
From: David Woodhouse
Include basic support for setting HVM_PARAM_CALLBACK_IRQ to the global
vector method HVM_PARAM_CALLBACK_TYPE_VECTOR, which is handled in-kernel
by raising the vector whenever the vCPU's vcpu_info->evtchn_upcall_pending
flag is set.
Signed-off-by: David Woodhouse
---
From: David Woodhouse
Extract requests, return ENOSYS to all of them. This is enough to allow
older Linux guests to boot, as they need *something* back but it doesn't
matter much what.
In the first instance we're likely to wire this up over a UNIX socket to
an actual xenstored implementation,
From: David Woodhouse
Add the array of virq ports to each vCPU so that we can deliver timers,
debug ports, etc. Global virqs are allocated against vCPU 0 initially,
but can be migrated to other vCPUs (when we implement that).
The kernel needs to know about VIRQ_TIMER in order to accelerate
From: David Woodhouse
Signed-off-by: David Woodhouse
---
hw/i386/kvm/xen_evtchn.c | 69 +++
hw/i386/kvm/xen_evtchn.h | 2 ++
target/i386/kvm/xen-emu.c | 15 +
3 files changed, 86 insertions(+)
diff --git a/hw/i386/kvm/xen_evtchn.c
From: Joao Martins
Introduce support for emulating CPUID for Xen HVM guests. It doesn't make
sense to advertise the KVM leaves to a Xen guest, so do Xen unconditionally
when the xen-version machine property is set.
Signed-off-by: Joao Martins
[dwmw2: Obtain xen_version from KVM property, make
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