This adds an spapr capability bit for Hardware Transactional Memory. It is
enabled by default for pseries-2.11 and earlier machine types. with POWER8
or later CPUs (as it must be, since earlier qemu versions would implicitly
allow it). However it is disabled by default for the latest pseries-2.12
machine type.
This means that with the latest machine type, HTM will not be available,
regardless of CPU, unless it is explicitly enabled on the command line.
That change is made on the basis that:
* This way running with -M pseries,accel=tcg will start with whatever cpu
and will provide the same guest visible model as with accel=kvm.
- More specifically, this means existing make check tests don't have
to be modified to use cap-htm=off in order to run with TCG
* We hope to add a new "HTM without suspend" feature in the not too
distant future which could work on both POWER8 and POWER9 cpus, and
could be enabled by default.
* Best guesses suggest that future POWER cpus may well only support the
HTM-without-suspend model, not the (frankly, horribly overcomplicated)
POWER8 style HTM with suspend.
* Anecdotal evidence suggests problems with HTM being enabled when it
wasn't wanted are more common than being missing when it was.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Because PAPR is a paravirtual environment access to certain CPU (or other)
facilities can be blocked by the hypervisor. PAPR provides ways to
advertise in the device tree whether or not those features are available to
the guest.
In some places we automatically determine whether to make a feature
available based on whether our host can support it, in most cases this is
based on limitations in the available KVM implementation.
Although we correctly advertise this to the guest, it means that host
factors might make changes to the guest visible environment which is bad:
as well as generaly reducing reproducibility, it means that a migration
between different host environments can easily go bad.
We've mostly gotten away with it because the environments considered mature
enough to be well supported (basically, KVM on POWER8) have had consistent
feature availability. But, it's still not right and some limitations on
POWER9 is going to make it more of an issue in future.
This introduces an infrastructure for defining "sPAPR capabilities". These
are set by default based on the machine version, masked by the capabilities
of the chosen cpu, but can be overriden with machine properties.
The intention is at reset time we verify that the requested capabilities
can be supported on the host (considering TCG, KVM and/or host cpu
limitations). If not we simply fail, rather than silently modifying the
advertised featureset to the guest.
This does mean that certain configurations that "worked" may now fail, but
such configurations were already more subtly broken.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
The point of writing a macro embedded in a 'do { ... } while (0)'
loop (particularly if the macro has multiple statements or would
otherwise end with an 'if' statement) is so that the macro can be
used as a drop-in statement with the caller supplying the
trailing ';'. Although our coding style frowns on brace-less 'if':
if (cond)
statement;
else
something else;
that is the classic case where failure to use do/while(0) wrapping
would cause the 'else' to pair with any embedded 'if' in the macro
rather than the intended outer 'if'. But conversely, if the macro
includes an embedded ';', then the same brace-less coding style
would now have two statements, making the 'else' a syntax error
rather than pairing with the outer 'if'. Thus, even though our
coding style with required braces is not impacted, ending a macro
with ';' makes our code harder to port to projects that use
brace-less styles.
The change should have no semantic impact. I was not able to
fully compile-test all of the changes (as some of them are
examples of the ugly bit-rotting debug print statements that are
completely elided by default, and I didn't want to recompile
with the necessary -D witnesses - cleaning those up is left as a
bite-sized task for another day); I did, however, audit that for
all files touched, all callers of the changed macros DID supply
a trailing ';' at the callsite, and did not appear to be used
as part of a brace-less conditional.
Found mechanically via: $ git grep -B1 'while (0);' | grep -A1 \\\\
Signed-off-by: Eric Blake <eblake@redhat.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20171201232433.25193-7-eblake@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
For a couple of macros in pcnet.c, we have to provide a new scope
to avoid compiler warnings about declarations in the middle of a
switch statement that aren't in a sub-scope. But use of
'do { ... } while (0);' merely to provide that new scope is arcane
overkill, compared to just using '{ ... }'.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20171201232433.25193-2-eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
scsi_write_same_complete() can retry the write if the request was
unaligned. Make sure to release the AioContext when that code path is
taken!
This patch fixes a hang when QEMU terminates after an unaligned WRITE
SAME request has been processed with dataplane. The hang occurs because
iothread_stop_all() cannot acquire the AioContext lock that was leaked
by the IOThread in scsi_write_same_complete().
Fixes: b9e413dd37 ("block: explicitly acquire aiocontext in aio callbacks that need it").
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-stable@nongnu.org
Reported-by: Cong Li <coli@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20180104142502.15175-1-stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add a 'dma' property allowing machine creation to provide the address-space
SDHCI DMA operates on.
[based on a patch from Alistair Francis <alistair.francis@xilinx.com>
from qemu/xilinx tag xilinx-v2016.1]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180115182436.2066-15-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
While SysBus devices can use the get_system_memory() address space,
PCI devices should use the bus master address space for DMA.
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20180115182436.2066-14-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 20180115182436.2066-11-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 20180115182436.2066-10-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
zero-initialize ADMADescr 'dscr' in sdhci_do_adma() to avoid:
hw/sd/sdhci.c: In function ‘sdhci_do_adma’:
hw/sd/sdhci.c:714:29: error: ‘dscr.addr’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
trace_sdhci_adma("link", s->admasysaddr);
^
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 20180115182436.2066-9-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 20180115182436.2066-8-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 20180115182436.2066-7-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 20180115182436.2066-6-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Now both inherited classes appear as DEVICE_CATEGORY_STORAGE.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 20180115182436.2066-5-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add common/sysbus/pci/sdbus comments to have clearer code blocks separation.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180115182436.2066-4-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 20180115182436.2066-3-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 20180115182436.2066-2-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Since omap_mmc is still using the legacy SD card API, the SD
card created by sd_init() is not plugged into any bus. This
means that the controller has to reset it manually.
Failing to do this mostly didn't affect the guest since the
guest typically does a programmed SD card reset as part of
its SD controller driver initialization, but would mean that
migration fails because it's only in sd_reset() that we
set up the wpgrps_size field.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 1515506513-31961-5-git-send-email-peter.maydell@linaro.org
Since ssi-sd is still using the legacy SD card API, the SD
card created by sd_init() is not plugged into any bus. This
means that the controller has to reset it manually.
Failing to do this mostly didn't affect the guest since the
guest typically does a programmed SD card reset as part of
its SD controller driver initialization, but meant that
migration failed because it's only in sd_reset() that we
set up the wpgrps_size field.
In the case of sd-ssi, we have to implement an entire
reset function since there wasn't one previously, and
that requires a QOM cast macro that got omitted when this
device was QOMified.
Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 1515506513-31961-4-git-send-email-peter.maydell@linaro.org
Since milkymist-memcard is still using the legacy SD card API,
the SD card created by sd_init() is not plugged into any bus.
This means that the controller has to reset it manually.
Failing to do this mostly didn't affect the guest since the
guest typically does a programmed SD card reset as part of
its SD controller driver initialization, but meant that
migration failed because it's only in sd_reset() that we
set up the wpgrps_size field.
Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 1515506513-31961-3-git-send-email-peter.maydell@linaro.org
Since pl181 is still using the legacy SD card API, the SD
card created by sd_init() is not plugged into any bus. This
means that the controller has to reset it manually.
Failing to do this mostly didn't affect the guest since the
guest typically does a programmed SD card reset as part of
its SD controller driver initialization, but meant that
migration failed because it's only in sd_reset() that we
set up the wpgrps_size field.
Cc: qemu-stable@nongnu.org
Fixes: https://bugs.launchpad.net/qemu/+bug/1739378
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 1515506513-31961-2-git-send-email-peter.maydell@linaro.org
The Configurable Fault Status Register for ARMv7M and v8M is
supposed to be byte and halfword accessible, but we were only
implementing word accesses. Add support for the other access
sizes, which are used by the Zephyr RTOS.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reported-by: Andy Gross <andy.gross@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 1512742372-31517-1-git-send-email-peter.maydell@linaro.org
This fields points to an old interface that is no more
used in the current code.
Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
Message-id: 20171122135625.16625-1-fziglio@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
It's a replacement of g_timeout_add[_seconds]() for chardevs. Chardevs
now can have dedicated gcontext, we should always bind chardev tasks
onto those gcontext rather than the default main context. Since there
are quite a few of g_timeout_add[_seconds]() callers, a new function
qemu_chr_timeout_add_ms() is introduced.
One thing to mention is that, terminal3270 is still always running on
main gcontext. However let's convert that as well since it's still part
of chardev codes and in case one day we'll miss that when we move it out
of main gcontext too.
Also, convert all the timers from GSource tags into GSource pointers.
Gsource tag IDs and g_source_remove()s can only work with default
gcontext, while now these GSources can logically be attached to other
contexts. So let's use explicit g_source_destroy() plus another
g_source_unref() to remove a timer.
Note: when in the timer handler, we don't need the g_source_destroy()
any more since that'll be done automatically if the timer handler
returns false (and that's what all the current handlers do).
Yet another note: in pty_chr_rearm_timer() we take special care for
ms=1000. This patch merged the two cases into one.
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180104141835.17987-4-peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
HPET saves its state by calculating the current time and recovers timer
offset using this calculated value. But these calculations include
divisions and multiplications. Therefore the timer state cannot be recovered
precise enough.
This patch introduces saving of the original value of the offset to
preserve the determinism of the timer.
Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Signed-off-by: Maria Klimushenkova <maria.klimushenkova@ispras.ru>
Reviewed-by: Juan Quintela <quintela@redhat.com>
--
v3: Added compat property for correct migration.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When -no-acpi option is used with Q35 machine type, no guest ACPI is
built, but the ACPI device is still created, so only checking the
presence of ACPI device before memory plug/unplug is not enough in
such cases. Check whether ACPI is disabled globally in addition and
fail memory plug/unplug if it's disabled.
Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
Message-Id: <20171222015120.31730-1-haozhong.zhang@intel.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add the property to the device model, then parse it by calling
blkconf_apply_backend_options().
In addition to blk_set_perm(), the called function also handles error
options and wce. For error options we've already checked that the
default values are used, for wce we don't have the option either so it
is always the default (true). In other words there is no change of
behavior in these regards.
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20171205151553.7834-1-famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Cores with and without MMU have system RAM and ROM at different locations.
Also with noMMU cores system IO region is accessible through two physical
address ranges.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Extract flash configuration into a separate structure to make it easier
to share between MMU and noMMU configurations.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
XTFPGA boards should populate core memory regions the same way sim
machine does. Move xtensa_create_memory_regions implementation to a
separate file and use it to create instruction and data memory regions
on XTFPGA boards.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Function/structure naming inconsistently uses lx, lx60 and xtensa
prefixes where xtfpga would be appropriate. Fix that.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Don't load jump target into the CPU config, instead put it and initial
a2 as literals into the mini bootloader and use l32r to load them
natively. With these changes it should be possible to do warm reboot of
the guest.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
The GICv2 specification says that reserved register addresses
must RAZ/WI; now that we implement external abort handling
for Arm CPUs this means we must return MEMTX_OK rather than
MEMTX_ERROR, to avoid generating a spurious guest data abort.
Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1513183941-24300-3-git-send-email-peter.maydell@linaro.org
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
The GICv3 specification says that reserved register addresses
should RAZ/WI. This means we need to return MEMTX_OK, not MEMTX_ERROR,
because now that we support generating external aborts the
latter will cause an abort on new board models.
Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1513183941-24300-2-git-send-email-peter.maydell@linaro.org
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 20180103224208.30291-2-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Some i.MX SoCs (e.g. i.MX7) have FEC registers going as far as offset
0x614, so to avoid getting aborts when accessing those on QEMU, extend
the register file to cover FSL_IMX25_FEC_SIZE(16K) of address space
instead of just 1K.
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Cc: yurovsky@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Cc: yurovsky@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Use 'frame_size' instead of 'len' when calling qemu_send_packet(),
failing to do so results in malformed packets send in case when that
packed is fragmented into multiple DMA transactions.
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Cc: yurovsky@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
More recent version of the IP block support more than one Tx DMA ring,
so add the code implementing that feature.
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Cc: yurovsky@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Needed to support latest Linux kernel driver which relies on that
functionality.
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Cc: yurovsky@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Cc: yurovsky@gmail.com
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Frame truncation length, TRUNC_FL, is determined by the contents of
ENET_FTRL register, so convert the code to use it instead of a
hardcoded constant.
To avoid the case where TRUNC_FL is greater that ENET_MAX_FRAME_SIZE,
increase the value of the latter to its theoretical maximum of 16K.
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Cc: yurovsky@gmail.com
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Make Tx frame assembly buffer to be a paort of IMXFECState structure
to avoid a concern about having large data buffer on the stack.
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Cc: yurovsky@gmail.com
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In current implementation, packet queue flushing logic seem to suffer
from a deadlock like scenario if a packet is received by the interface
before before Rx ring is initialized by Guest's driver. Consider the
following sequence of events:
1. A QEMU instance is started against a TAP device on Linux
host, running Linux guest, e. g., something to the effect
of:
qemu-system-arm \
-net nic,model=imx.fec,netdev=lan0 \
netdev tap,id=lan0,ifname=tap0,script=no,downscript=no \
... rest of the arguments ...
2. Once QEMU starts, but before guest reaches the point where
FEC deriver is done initializing the HW, Guest, via TAP
interface, receives a number of multicast MDNS packets from
Host (not necessarily true for every OS, but it happens at
least on Fedora 25)
3. Recieving a packet in such a state results in
imx_eth_can_receive() returning '0', which in turn causes
tap_send() to disable corresponding event (tap.c:203)
4. Once Guest's driver reaches the point where it is ready to
recieve packets it prepares Rx ring descriptors and writes
ENET_RDAR_RDAR to ENET_RDAR register to indicate to HW that
more descriptors are ready. And at this points emulation
layer does this:
s->regs[index] = ENET_RDAR_RDAR;
imx_eth_enable_rx(s);
which, combined with:
if (!s->regs[ENET_RDAR]) {
qemu_flush_queued_packets(qemu_get_queue(s->nic));
}
results in Rx queue never being flushed and corresponding
I/O event beign disabled.
To prevent the problem, change the code to always flush packet queue
when ENET_RDAR transitions 0 -> ENET_RDAR_RDAR.
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Cc: yurovsky@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Refactor imx_eth_enable_rx() to have more meaningfull variable name
than 'tmp' and to reduce number of logical negations done.
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Cc: yurovsky@gmail.com
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Binding to a particular netdev doesn't seem to belong to this layer
and should probably be done as a part of board or SoC specific code.
Convert all of the users of this IP block to use
qdev_set_nic_properties() instead.
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Cc: yurovsky@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
acpi_data_push uses g_array_set_size to resize the memory size. If there
is no enough contiguous memory, the address will be changed. If we use
the old value, it will assert.
qemu-kvm: hw/acpi/bios-linker-loader.c:214: bios_linker_loader_add_checksum:
Assertion `start_offset < file->blob->len' failed.`
This issue only happens in building SRAT table now but here we unify the
pattern for other tables as well to avoid possible issues in the future.
Signed-off-by: Zhaoshenglong <zhaoshenglong@huawei.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This pull request supersedes ppc-for-2.12-20180108 and several before
it. The earlier pull request included a patch which exposed a bug in
the ARM TCG backend. I've pulled that out and will repost once the
ARM bug is fixed (a patch has been posted by Richard Henderson).
Higlights from this series:
* SLOF update
* Several new devices for embedded platforms
* Fix to correctly set compatiblity mode for hotplugged CPUs
* dtc compile fix for older MacOS versions
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.12-20180111' into staging
ppc patch queue 2018-01-11
This pull request supersedes ppc-for-2.12-20180108 and several before
it. The earlier pull request included a patch which exposed a bug in
the ARM TCG backend. I've pulled that out and will repost once the
ARM bug is fixed (a patch has been posted by Richard Henderson).
Higlights from this series:
* SLOF update
* Several new devices for embedded platforms
* Fix to correctly set compatiblity mode for hotplugged CPUs
* dtc compile fix for older MacOS versions
# gpg: Signature made Thu 11 Jan 2018 04:58:11 GMT
# gpg: using RSA key 0x6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/ppc-for-2.12-20180111:
spapr: Correct compatibility mode setting for hotplugged CPUs
hw/ppc: Remove the deprecated spapr-pci-vfio-host-bridge device
Update dtc to fix compilation problem on Mac OS 10.6
target/ppc: more use of the PPC_*() macros
ppc/pnv: change powernv_ prefix to pnv_ for overall naming consistency
hw/ide: Emulate SiI3112 SATA controller
spapr_pci: use warn_report()
ppc4xx_i2c: Implement basic I2C functions
sm501: Add some more unimplemented registers
sm501: Add panel hardware cursor registers also to read function
pseries: Update SLOF firmware image to qemu-slof-20171214
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Currently the pseries machine sets the compatibility mode for the
guest's cpus in two places: 1) at machine reset and 2) after CAS
negotiation.
This means that if we set or negotiate a compatiblity mode, then
hotplug a cpu, the hotplugged cpu doesn't get the right mode set and
will incorrectly have the full native features.
To correct this, we set the compatibility mode on a cpu when it is
brought online with the 'start-cpu' RTAS call. Given that we no
longer need to set the compatibility mode on all CPUs at machine
reset, so we change that to only set the mode for the boot cpu.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reported-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com>
Tested-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
It's a deprecated dummy device since QEMU v2.6.0. That should have
been enough time to allow the users to update their scripts in case
they still use it, so let's remove this legacy code now.
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Also introduce utilities to manipulate bitmasks (originaly from OPAL)
which be will be used in the model of the XIVE interrupt controller.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The 'pnv' prefix is now used for all and the routines populating the
device tree start with 'pnv_dt'. The handler of the PnvXScomInterface
is also renamed to 'dt_xscom' which should reflect that it is
populating the device tree under the 'xscom@' node of the chip.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This is a common generic PCI SATA controller that is also used in PCs
but more importantly guests running on the Sam460ex board prefer this
card and have a driver for it (unlike for other SATA controllers
already emulated).
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Acked-by: John Snow <jsnow@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
These two are definitely warnings. Let's use the appropriate API.
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Enough to please U-Boot and make it able to detect SDRAM SPD EEPROMs
Signed-off-by: François Revol <revol@free.fr>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
These are not really implemented (just return zero or default values)
but add these so guests accessing them can run.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
These were forgotten when adding panel layer support in ffd3925701
"SM501 emulation for R2D-SH4".
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[dwg: Added reference to earlier commit in message]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
By separating the sun4u IOMMU device into new sun4u_iommu.c and sun4m_iommu.h
files we noticeably simplify apb.c whilst bringing sun4u in line with all the
other IOMMU-supporting architectures.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Artyom Tarasenko <atar4qemu@gmail.com>
This is in preparation to split the IOMMU device out of the APB. As part of
this commit we also enforce separation of the IOMMU and APB devices by using
a QOM object link to pass the IOMMU reference and accessing the IOMMU registers
via a separate memory region mapped into the APB config space rather than
directly.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Artyom Tarasenko <atar4qemu@gmail.com>
With the previous commit there is now nothing left in sun4m.h so it can be
removed, along with all remaining references to it.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Artyom Tarasenko <atar4qemu@gmail.com>
Also updating the relevant .c files as required.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Artyom Tarasenko <atar4qemu@gmail.com>
This seems more appropriate and brings sun4m in line with the other
architectures.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Artyom Tarasenko <atar4qemu@gmail.com>
This is in preparation for switching code in hw/sparc64 from DPRINTF over to
trace events.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Artyom Tarasenko <atar4qemu@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Following on from the previous commit, we can also do the same with
with legacy OBIO interrupts in pci_pbmA_map_irq().
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Artyom Tarasenko <atar4qemu@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This enables us to remove the static array mapping in the ISA IRQ
handler (and the embedded reference to the APB device) by formalising
the interrupt wiring via the qdev GPIO API.
For more clarity we replace the APB OBIO interrupt numbers with constants
designating the interrupt source, and rename isa_irq_handler() to
ebus_isa_irq_handler().
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Artyom Tarasenko <atar4qemu@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Since the previous commit the only remaining use of the qdev busA property is
to configure the PCI bridge in front of the onboard ebus devices differently
to allow early OpenBIOS serial console access.
Instead we can now manually update the PCI configuration for bridge A in
pci_pbm_reset() and thus completely remove the busA property from the
PBMPCIBridge state.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Artyom Tarasenko <atar4qemu@gmail.com>
After the previous refactoring it is now possible to use separate functions
to improve the clarity of the interrupt paths.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Artyom Tarasenko <atar4qemu@gmail.com>
By making the special_base and mem_base values qdev properties, we can move
the remaining parts of pci_apb_init() into the pbm init() and realize()
functions.
This finally allows us to instantiate the APB directly using standard qdev
create/init functions in sun4u.c.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Artyom Tarasenko <atar4qemu@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This enables us to remove these parameters from pci_apb_init().
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Artyom Tarasenko <atar4qemu@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This is a first step towards removing pci_apb_init() completely.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Artyom Tarasenko <atar4qemu@gmail.com>
Use DeviceClass rather than SysBusDeviceClass in pbm_host_class_init() and
adjust pci_pbm_init_device() accordingly.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This belongs in the PCI-ISA bridge rather than at the machine level.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Artyom Tarasenko <atar4qemu@gmail.com>
This is initialisation that should really take place in the ebus realize
function. As part of this we also rework the ebus IRQ mapping so that
instead of having to pass in the array of pbm_irqs, we obtain a reference
to them by looking up the APB device during ebus realize.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Artyom Tarasenko <atar4qemu@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Since the EBus is effectively a PCI-ISA bridge then the underlying ISA bus
should be contained within the PCI bridge itself.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Artyom Tarasenko <atar4qemu@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
The main change here is to introduce the proper TYPE_EBUS/EBUS QOM macros
and remove the use of DO_UPCAST.
Alongside this there are some a couple of minor cosmetic changes and a rename
of pci_ebus_realize() to ebus_realize() since the ebus device is always what
is effectively a PCI-ISA bridge.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This also includes the related IOMMUState typedef and defines.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Artyom Tarasenko <atar4qemu@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
- deprecation of the handle backend,
- improved error reporting, especially when the local backend fails to
open the VirtFS root,
- virtio-9p-test to behave more like a real virtio guest driver: set
DRIVER_OK when ready to use the device and process the used ring
for completed requests,
- cosmetic fixes (mostly coding style related).
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Merge remote-tracking branch 'remotes/gkurz/tags/for-upstream' into staging
- Aneesh no longer listed in MAINTAINERS,
- deprecation of the handle backend,
- improved error reporting, especially when the local backend fails to
open the VirtFS root,
- virtio-9p-test to behave more like a real virtio guest driver: set
DRIVER_OK when ready to use the device and process the used ring
for completed requests,
- cosmetic fixes (mostly coding style related).
# gpg: Signature made Mon 08 Jan 2018 10:19:18 GMT
# gpg: using RSA key 0x71D4D5E5822F73D6
# gpg: Good signature from "Greg Kurz <groug@kaod.org>"
# gpg: aka "Gregory Kurz <gregory.kurz@free.fr>"
# gpg: aka "[jpeg image of size 3330]"
# Primary key fingerprint: B482 8BAF 9431 40CE F2A3 4910 71D4 D5E5 822F 73D6
* remotes/gkurz/tags/for-upstream:
MAINTAINERS: Drop Aneesh as 9pfs maintainer
9pfs: deprecate handle backend
fsdev: improve error handling of backend init
fsdev: improve error handling of backend opts parsing
tests: virtio-9p: set DRIVER_OK before using the device
tests: virtio-9p: fix ISR dependence
9pfs: make pdu_marshal() and pdu_unmarshal() static functions
9pfs: fix error path in pdu_submit()
9pfs: fix type in *_parse_opts declarations
9pfs: handle: fix type definition
9pfs: fix some type definitions
fsdev: fix some type definitions
9pfs: fix XattrOperations typedef
virtio-9p: move unrealize/realize after virtio_9p_transport definition
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This backend raise some concerns:
- doesn't support symlinks
- fails +100 tests in the PJD POSIX file system test suite [1]
- requires the QEMU process to run with the CAP_DAC_READ_SEARCH
capability, which isn't recommended for security reasons
This backend should not be used and wil be removed. The 'local'
backend is the recommended alternative.
[1] https://www.tuxera.com/community/posix-test-suite/
Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
This patch changes some error messages in the backend init code and
convert backends to propagate QEMU Error objects instead of calling
error_report().
One notable improvement is that the local backend now provides a more
detailed error report when it fails to open the shared directory.
Signed-off-by: Greg Kurz <groug@kaod.org>
This patch changes some error messages in the backend opts parsing
code and convert backends to propagate QEMU Error objects instead
of calling error_report().
Signed-off-by: Greg Kurz <groug@kaod.org>
If we receive an unsupported request id, we first decide to
return -ENOTSUPP to the client, but since the request id
causes is_read_only_op() to return false, we change the
error to be -EROFS if the fsdev is read-only. This doesn't
make sense since we don't know what the client asked for.
This patch ensures that -EROFS can only be returned if the
request id is supported.
Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
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Merge remote-tracking branch 'remotes/stefanberger/tags/pull-tpm-2017-12-22-1' into staging
Merge tpm 2017/12/22 v1
# gpg: Signature made Fri 22 Dec 2017 20:03:37 GMT
# gpg: using RSA key 0x75AD65802A0B4211
# gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.com>"
# 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: B818 B9CA DF90 89C2 D5CE C66B 75AD 6580 2A0B 4211
* remotes/stefanberger/tags/pull-tpm-2017-12-22-1:
acpi: Update TPM2 ACPI table to more recent specs
tpm: Implement tpm_sized_buffer_reset
tpm_tis: merge r/w_offset into rw_offset
tpm_tis: move r/w_offsets to TPMState
tpm_tis: merge read and write buffer into single buffer
tpm_tis: move buffers from localities into common location
tpm_tis: remove TPMSizeBuffer usage
tpm_tis: limit size of buffer from backend
tpm_tis: convert uint32_t to size_t
tpm_emulator: Add a caching layer for the TPM Established flag
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Version: GnuPG v1
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Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging
# gpg: Signature made Fri 22 Dec 2017 02:12:29 GMT
# gpg: using RSA key 0xEF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211
* remotes/jasowang/tags/net-pull-request:
qemu-doc: Update the deprecation information of -tftp, -bootp, -redir and -smb
qemu-doc: The "-net nic" option can be used with "netdev=...", too
net: Remove the legacy "-net channel" parameter
net: remove unused compute_mcast_idx() function
rtl8139: use inline net_crc32() and bitshift instead of compute_mcast_idx()
ne2000: use inline net_crc32() and bitshift instead of compute_mcast_idx()
ftgmac100: use inline net_crc32() and bitshift instead of compute_mcast_idx()
lan9118: use inline net_crc32() and bitshift instead of compute_mcast_idx()
opencores_eth: use inline net_crc32() and bitshift instead of compute_mcast_idx()
eepro100: use inline net_crc32() and bitshift instead of compute_mcast_idx()
sungem: fix multicast filter CRC calculation
sunhme: switch sunhme over to use net_crc32_le()
eepro100: switch eepro100 e100_compute_mcast_idx() over to use net_crc32()
pcnet: switch pcnet over to use net_crc32_le()
net: introduce net_crc32_le() function
net: move CRC32 calculation from compute_mcast_idx() into its own net_crc32() function
e1000: Separate TSO and non-TSO contexts, fixing UDP TX corruption
e1000, e1000e: Move per-packet TX offload flags out of context state
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
If the script is run with a core (no running process), it produces an
error:
(gdb) dump-guest-memory /tmp/vmcore X86_64
guest RAM blocks:
target_start target_end host_addr message count
---------------- ---------------- ---------------- ------- -----
0000000000000000 00000000000a0000 00007f7935800000 added 1
00000000000a0000 00000000000b0000 00007f7934200000 added 2
00000000000c0000 00000000000ca000 00007f79358c0000 added 3
00000000000ca000 00000000000cd000 00007f79358ca000 joined 3
00000000000cd000 00000000000e8000 00007f79358cd000 joined 3
00000000000e8000 00000000000f0000 00007f79358e8000 joined 3
00000000000f0000 0000000000100000 00007f79358f0000 joined 3
0000000000100000 0000000080000000 00007f7935900000 joined 3
00000000fd000000 00000000fe000000 00007f7934200000 added 4
00000000fffc0000 0000000100000000 00007f7935600000 added 5
Python Exception <class 'gdb.error'> You can't do that without a process to debug.:
Error occurred in Python command: You can't do that without a process
to debug.
Replace the object_resolve_path_type() function call with a local
volatile variable.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
More recent specs of the TPM2 ACPI table add fields for the log area
start address and the log area minimum size, which we already use
for the TCPA table.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Add trace output for commands, errors, and undefined behavior.
Add guest error log output for undefined behavior.
Report invalid undefined accesses to MMIO.
Annotate unlikely error checks with unlikely.
Signed-off-by: Doug Gale <doug16k@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This patch adds the function apic_get_highest_priority_irr to
apic.c and exports it through the interface in apic.h for use by hvf.
Signed-off-by: Sergio Andres Gomez Del Real <Sergio.G.DelReal@gmail.com>
Message-Id: <20170913090522.4022-8-Sergio.G.DelReal@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Move the definition of TPMSizedBuffer out of tpm_tis.c into tpm_util.h
and implement tpm_sized_buffer_reset() for the following patches to use.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
We can now merge the r_offset and w_offset into a single rw_offset.
This is possible since when the offset is used for writing in
RECEPTION state then reads are ignore. Conversely, when the offset
is used for reading when in COMPLETION state, then writes are
ignored.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Now that we have a single buffer, we also only need a single set of
read/write offsets into that buffer. This works since only one
locality can be active.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Since we can only be in read or write mode, we can merge the buffers
into a single buffer.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
One read buffer and one write buffer is sufficient for all localities.
The localities cannot all be active at the same time, and only the active
locality can use the r/w buffers. Inactive localities will require the
COMMAND_READY flag to be set on the STS register to move to the READY
state, which then enables access to using the buffer for writing of a
command, while all other localities are inactive.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Remove usage of TPMSizeBuffer. The size of the buffers is limited now
by s->be_buffer_size, which is the size of the buffer the TIS has
negotiated with the backend.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This is a preparatory patch for the subsequent ones where we
get rid of the flexibility of supporting any kind of buffer size
that the backend may support. We keep the size at 4096, which is
also the size the external emulator supports. So, limit the size
of the buffer we can support and pass it back to the backend.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Add a caching layer for the TPM established flag so that we don't
need to go to the emulator every time the flag is read by accessing
the REG_ACCESS register.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This makes it much easier to compare the multicast CRC calculation endian and
bitshift against the Linux driver implementation.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This makes it much easier to compare the multicast CRC calculation endian and
bitshift against the Linux driver implementation.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This makes it much easier to compare the multicast CRC calculation endian and
bitshift against the Linux driver implementation.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This makes it much easier to compare the multicast CRC calculation endian and
bitshift against the Linux driver implementation.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This makes it much easier to compare the multicast CRC calculation endian and
bitshift against the Linux driver implementation.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This makes it much easier to compare the multicast CRC calculation endian and
bitshift against the Linux driver implementation.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Jason Wang <jasowang@redhat.com>
From the Linux sungem driver, we know that the multicast filter CRC is
implemented using ether_crc_le() which isn't the same as calling zlib's
crc32() function (the zlib implementation requires a complemented initial value
and also returns the complemented result).
Fix the multicast filter by simply using the new net_crc32_le() function.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Instead of sunhme_crc32_le() using its own implementation, we can simply call
net_crc32_le() directly and apply the bit shift inline.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Instead of e100_compute_mcast_idx() using its own implementation, we can
simply call net_crc32() directly and apply the bit shift inline.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Instead of lnc_mchash() using its own implementation, we can simply call
net_crc32_le() directly and apply the bit shift inline.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Separate out the standard ethernet CRC32 calculation into a new net_crc32()
function, renaming the constant POLYNOMIAL to POLYNOMIAL_BE to make it clear
that this is a big-endian CRC32 calculation.
As part of the constant rename, remove the duplicate definition of POLYNOMIAL
from eepro100.c and use the new POLYNOMIAL_BE constant instead.
Once this is complete remove the existing CRC32 implementation from
compute_mcast_idx() and call the new net_crc32() function in its place.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
The device is supposed to maintain two distinct contexts for transmit
offloads: one has parameters for both segmentation and checksum
offload, the other only for checksum offload. The guest driver can
send two context descriptors, one for each context (the TSE flag
specifies which). Then the guest can refer to one or the other context
in subsequent transmit data descriptors, depending on what offloads it
wants applied to each packet.
Currently the e1000 device stores just one context, and misinterprets
the TSE flags in the context and data descriptors. This is often okay:
Linux happens to send a fresh context descriptor before every data
descriptor, so forgetting the other context doesn't matter. Windows
does rely on separate contexts for TSO vs. non-TSO packets, but for
mostly-TCP traffic the two contexts have identical TCP-specific
offload parameters so confusing them doesn't matter.
One case where this confusion matters is when a Windows guest sets up
a TSO context for TCP and a non-TSO context for UDP, and then
transmits both TCP and UDP traffic in parallel. The e1000 device
sometimes ends up using TCP-specific parameters while doing checksum
offload on a UDP datagram: it writes the checksum to offset 16 (the
correct location for a TCP checksum), stomping on two bytes of UDP
data, and leaving the wrong value in the actual UDP checksum field at
offset 6. (Even worse, the host network stack may then recompute the
UDP checksum, "correcting" it to match the corrupt data before sending
it out a physical interface.)
Correct this by tracking the TSO context independently of the non-TSO
context, and selecting the appropriate context based on the TSE flag
in each transmit data descriptor.
Signed-off-by: Ed Swierk <eswierk@skyportsystems.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
sum_needed and cptse flags are received from the guest within each
transmit data descriptor. They are not part of the offload context;
instead, they determine how to apply a previously received context to
the packet being transmitted:
- If cptse is set, perform both segmentation and checksum offload
using the parameters in the TSO context; otherwise just do checksum
offload. (Currently the e1000 device incorrectly stores only one
context, which will be fixed in a subsequent patch.)
- Depending on the bits set in sum_needed, possibly perform L4
checksum offload and/or IP checksum offload, using the parameters in
the appropriate context.
Move these flags out of struct e1000x_txd_props, which is otherwise
dedicated to storing values from a context descriptor, and into the
per-packet TX struct.
Signed-off-by: Ed Swierk <eswierk@skyportsystems.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
PIIX4 errata says that "immediate polling of the Host Status Register BUSY
bit may indicate that the SMBus is NOT busy."
Due to this, some code does the following steps:
(a) set parameters
(b) start command
(c) check for smbus busy bit set (to know that command started)
(d) check for smbus busy bit not set (to know that command finished)
Let (c) happen, by immediately setting the busy bit, and really executing
the command when status register has been read once.
This fixes a problem with AMIBIOS, which can now properly initialize the PIIX4.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
If the script is run with a core (no running process), it produces an
error:
(gdb) dump-guest-memory /tmp/vmcore X86_64
guest RAM blocks:
target_start target_end host_addr message count
---------------- ---------------- ---------------- ------- -----
0000000000000000 00000000000a0000 00007f7935800000 added 1
00000000000a0000 00000000000b0000 00007f7934200000 added 2
00000000000c0000 00000000000ca000 00007f79358c0000 added 3
00000000000ca000 00000000000cd000 00007f79358ca000 joined 3
00000000000cd000 00000000000e8000 00007f79358cd000 joined 3
00000000000e8000 00000000000f0000 00007f79358e8000 joined 3
00000000000f0000 0000000000100000 00007f79358f0000 joined 3
0000000000100000 0000000080000000 00007f7935900000 joined 3
00000000fd000000 00000000fe000000 00007f7934200000 added 4
00000000fffc0000 0000000100000000 00007f7935600000 added 5
Python Exception <class 'gdb.error'> You can't do that without a process to debug.:
Error occurred in Python command: You can't do that without a process
to debug.
Replace the object_resolve_path_type() function call call with a
local volatile variable.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The statement being removed doesn't change anything as virtio PCI devices already
have Subsystem Vendor ID set to pci_default_sub_vendor_id (0x1af4), same as Vendor
ID. And the Virtio spec does not require the two to be equal, either:
"The PCI Subsystem Vendor ID and the PCI Subsystem Device ID MAY reflect the PCI
Vendor and Device ID of the environment (for informational purposes by the driver)."
Background:
Following the recent virtio-win licensing change, several vendors are planning to
ship their own certified version of Windows guest Virtio drivers, potentially taking
advantage of Windows Update as a distribution channel. It is therefore critical that
each vendor uses their own PCI Subsystem Vendor ID for Virtio devices to prevent
drivers from other vendors binding to it.
This would be trivially done by adding:
k->subsystem_vendor_id = ...
to virtio_pci_class_init(). Except for the problematic statement deleted by this
patch, which reverts the Subsystem Vendor ID back to 0x1af4 for legacy devices for
no good reason.
Signed-off-by: Ladi Prosek <lprosek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
It should be caching-mode. It may confuse people when it pops up.
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Liu, Yi L <yi.l.liu@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
We have PCI_DEVFN_MAX now.
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Liu, Yi L <yi.l.liu@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
When compiled with anything other than the 'log' trace backend, we have:
error: implicit declaration of function 'qemu_log_mask'
error: 'LOG_UNIMP' undeclared (first use in this function)
This patch adds the missing include.
Fixes: 7299e1a411
("hw/i386/vmport: replace fprintf() by trace events or LOG_UNIMP")
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-id: 20171221211103.30311-1-laurent@vivier.eu
[PMM: fixed commit message description of when problem occurs]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
It makes the code clearer to separate the bus implementation
from the devices one.
Replace ADB_DPRINTF() with trace events (and adding new ones in adb-kbd.c).
Some minor changes to make checkpatch.pl happy.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20171220121406.24056-1-laurent@vivier.eu>
Now both classes (i8259, i8259-kvm) support this. Move this upper to
the common class code.
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20171210063819.14892-6-peterx@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Let's leverage the i8259 common code for kvm-i8259 too.
I think it's still possible that stats can lost when i8259 is in kernel
and meanwhile when irqfd is used, e.g., by vfio or vhost devices.
However that should be rare IMHO since they should be using MSIs mostly
if they really want performance (that's why people use vhost and device
assignment), and no old INTx should be used. As long as the INTx users
are emulated in QEMU the stats will be correct.
For "info pic", it should be always accurate since we fetch kvm regs
before dump.
More importantly, it's just too simple to do this now - it's only 10+
LOC to gain this feature.
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20171210063819.14892-5-peterx@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It was only for userspace i8259. Move it to general code so that
kvm-i8259 can also use it in the future.
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20171210063819.14892-4-peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It's not really scary to even enable it forever. After all it's i8259,
and it's even not the kernel one.
Then we can remove quite a few of lines to make it cleaner. And "info
irq" will always work for it.
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20171210063819.14892-3-peterx@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
One thing to mention is that in pic_set_irq() I need to uncomment a few
lines in the macros to make sure IRQ value calculation is correct.
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20171210063819.14892-2-peterx@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Extract the common parts of scsi_sense_buf_to_errno, scsi_convert_sense
and scsi_target_send_command's REQUEST SENSE handling into two new
functions scsi_parse_sense_buf and scsi_build_sense_buf.
Fix a bug in scsi_target_send_command along the way; the length was
written in buf[10] rather than buf[7].
Reported-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Fixes: b07fbce634 ("scsi-bus: correct responses for INQUIRY and REQUEST SENSE")
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Now that the memory system correctly handles writes to ROM for
guest CPUs that may generate exceptions for decode errors, we
can remove the workaround from the boston board.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <1513187549-2435-3-git-send-email-peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The moxiesim machine already defines a memory region for a firmware,
but does not provide the possibility to load an image via "-bios" yet.
This will be needed for the boot-serial tester, so let's add support
for "-bios" here now.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1512031988-32490-6-git-send-email-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Scsi-block doesn't use the DEFINE_BLOCK_PROPERTIES() macro so it didn't
gain the share-rw back when it was added to all other storage devices.
This option is meaningful here, and need to be used when attaching a
shared storage to guest.
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20171205071928.30242-1-famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Backends don't need to know what frontend requested a reset,
and notifying then from virtio_error is messy because
virtio_error itself might be invoked from backend.
Let's just set the status directly.
Cc: qemu-stable@nongnu.org
Reported-by: Ilya Maximets <i.maximets@samsung.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Building with --disable-tpm yields
../hw/core/qdev-properties-system.o: In function `set_tpm':
/home/cohuck/git/qemu/hw/core/qdev-properties-system.c:274: undefined reference to `qemu_find_tpm_be'
/home/cohuck/git/qemu/hw/core/qdev-properties-system.c:278: undefined reference to `tpm_backend_init'
../hw/core/qdev-properties-system.o: In function `release_tpm':
/home/cohuck/git/qemu/hw/core/qdev-properties-system.c:291: undefined reference to `tpm_backend_reset'
Move the implementation of DEFINE_PROP_TPMBE to hw/tpm/ so that it is
only built when tpm is actually configured, and build tpm_util in every
case.
Fixes: 493b783035 ("qdev: add DEFINE_PROP_TPMBE")
Reported-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
virtio-blk logical block size should never be larger than physical block
size because it doesn't make sense to have such configurations. QEMU doesn't
have a way to effectively express this condition; the best it can do is
report the physical block exponent as 0 - indicating the logical block size
equals the physical block size.
This is identical to commit 3da023b582
but applied to virtio-blk (instead of virtio-scsi).
Signed-off-by: Mark Kanda <mark.kanda@oracle.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: Ameya More <ameya.more@oracle.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 773169891f9f2deb4cb7c4ef2655580dbe24c1d1.1513005190.git.mark.kanda@oracle.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Depending on the configuration, it can be beneficial to adjust the virtio-blk
queue size to something other than the current default of 128. Add a new
property to make the queue size configurable.
Signed-off-by: Mark Kanda <mark.kanda@oracle.com>
Reviewed-by: Karl Heubaum <karl.heubaum@oracle.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Ameya More <ameya.more@oracle.com>
Message-id: 52e6d742811f10dbd16e996e86cf375b9577c187.1513005190.git.mark.kanda@oracle.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Commit 1351d1ec89 ("qdev: drop iothread
property type") forgot to remove this include.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20171205133954.31006-1-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The function name of usb_msd_{realize,unrealize}_*,
usb_msd_class_initfn_* are unusual. Rename it to
usb_msd_*_{realize,unrealize}, usb_msd_class_*_initfn.
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 11e6003433abce35f3f4970e1acc71ee92dbcf51.1511317952.git.maozy.fnst@cn.fujitsu.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
[Drop virtio_blk_data_plane_create() change that misinterprets return
value when the virtio transport does not support dataplane.
--Stefan]
Cc: John Snow <jsnow@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Max Reitz <mreitz@redhat.com>
Cc: Keith Busch <keith.busch@intel.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: e77848d3735ba590f23ffbf8094379c646c33d79.1511317952.git.maozy.fnst@cn.fujitsu.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
When the function no success value to transmit, it usually make the
function return void. It has turned out not to be a success, because
it means that the extra local_err variable and error_propagate() will
be needed. It leads to cumbersome code, therefore, transmit success/
failure in the return value is worth.
So fix the return type of blkconf_apply_backend_options(),
blkconf_geometry() and virtio_blk_data_plane_create() to avoid it.
Cc: John Snow <jsnow@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Max Reitz <mreitz@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: ac0edc1fc70c4457e5cec94405eb7d1f89f9c2c1.1511317952.git.maozy.fnst@cn.fujitsu.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Convert nvme_init() to realize and rename it to nvme_realize().
Cc: John Snow <jsnow@redhat.com>
Cc: Keith Busch <keith.busch@intel.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Max Reitz <mreitz@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Message-id: 2882e72d795e04cbe2120f569d551aef2467ac60.1511317952.git.maozy.fnst@cn.fujitsu.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
It's a x86-only device, so it does not make sense to keep it
in the shared misc folder.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
It's a x86-only device, so it does not make sense to keep it
in the shared misc folder.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
and remove the old i386/pc dependency.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
since The VGACommonState struct has a GraphicHwOps *hw_ops member,
then remove the now unnecessary includes.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
this allows to remove the old i386/pc dependency on acpi/core.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
and remove the old i386/pc dependency
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
and drop unused #includes
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
and remove a duplicated include
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: John Snow <jsnow@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
instead move them to the source file
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
applied using ./scripts/clean-includes
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
applied using ./scripts/clean-includes
not needed since 7ebaf79556
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
exec: housekeeping (funny since 02d0e09503)
applied using ./scripts/clean-includes
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
applied using ./scripts/clean-includes
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Ben Warren <ben@skyportsystems.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
applied using ./scripts/clean-includes
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Add support for these keys: audiomute volumedown volumeup power.
Tested with "sendkey" command in monitor and verify the behavior
in guest OS.
Signed-off-by: Tao Wu <lepton@google.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Thanks to Laszlo Ersek for spotting the double semicolon in target/i386/kvm.c
I have trivially grepped the tree for ';;' in C files.
Suggested-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Ladi Prosek <lprosek@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Merge remote-tracking branch 'remotes/stefanberger/tags/pull-tpm-2017-12-15-1' into staging
Merge tpm 2017/12/15 v1
# gpg: Signature made Fri 15 Dec 2017 04:44:15 GMT
# gpg: using RSA key 0x75AD65802A0B4211
# gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.com>"
# 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: B818 B9CA DF90 89C2 D5CE C66B 75AD 6580 2A0B 4211
* remotes/stefanberger/tags/pull-tpm-2017-12-15-1: (32 commits)
tpm: tpm_passthrough: Fail startup if FE buffer size < BE buffer size
tpm: tpm_emulator: get and set buffer size of device
tpm: tpm_passthrough: Read the buffer size from the host device
tpm: pull tpm_util_request() out of tpm_util_test()
tpm: Move getting TPM buffer size to backends
tpm: remove tpm_register_model()
tpm-tis: use DEFINE_PROP_TPMBE
qdev: add DEFINE_PROP_TPMBE
tpm-tis: check that at most one TPM device exists
tpm-tis: remove redundant 'tpm_tis:' in error messages
tpm-emulator: add a FIXME comment about blocking cancel
acpi: change TPM TIS data conditions
tpm: add tpm_cmd_get_size() to tpm_util
tpm: add TPM interface to lookup TPM version
tpm: lookup the the TPM interface instead of TIS device
tpm: rename qemu_find_tpm() -> qemu_find_tpm_be()
tpm-tis: simplify header inclusion
tpm-passthrough: workaround a possible race
tpm-passthrough: simplify create()
tpm-passthrough: make it safer to destroy after creation
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- Lots of tcg improvements: ccw hotplug is now working and we can run
a Linux kernel built for z12 under tcg
- zPCI improvements to get virtio-pci working
- get rid of the cssid restrictions for virtual and non-virtual channel
devices
- we now support 8TB+ systems
- 2.12 compat machine
- fixes and cleanups
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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20171215-v2' into staging
s390x changes for 2.12:
- Lots of tcg improvements: ccw hotplug is now working and we can run
a Linux kernel built for z12 under tcg
- zPCI improvements to get virtio-pci working
- get rid of the cssid restrictions for virtual and non-virtual channel
devices
- we now support 8TB+ systems
- 2.12 compat machine
- fixes and cleanups
# gpg: Signature made Fri 15 Dec 2017 10:57:01 GMT
# gpg: using RSA key 0xDECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>"
# gpg: aka "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# gpg: aka "Cornelia Huck <cohuck@kernel.org>"
# gpg: aka "Cornelia Huck <cohuck@redhat.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0 18CE DECF 6B93 C6F0 2FAF
* remotes/cohuck/tags/s390x-20171215-v2: (46 commits)
s390-ccw-virtio: allow for systems larger that 7.999TB
s390x: change the QEMU cpu model to a stripped down z12
s390x/tcg: we already implement the Set-Program-Parameter facility
s390x/tcg: implement extract-CPU-time facility
s390x/tcg: Implement SIGNAL ADAPTER instruction
s390x/tcg: Implement STORE CHANNEL PATH STATUS
s390x/tcg: wire up SET CHANNEL MONITOR
s390x/tcg: wire up SET ADDRESS LIMIT
s390x/tcg: implement Interlocked-Access Facility 2
s390x/tcg: ASI/ASGI/ALSI/ALSGI are atomic with Interlocked-acccess facility 1
s390x/tcg: wire up STORE CHANNEL REPORT WORD
s390x/tcg: indicate value of TODPR in STCKE
s390x/tcg: implement SET CLOCK PROGRAMMABLE FIELD
s390x/tcg: fix and cleanup mcck injection
s390x/kvm: factor out build_channel_report_mcic() into cpu.h
s390x/css: attach css bridge
s390x: deprecate s390-squash-mcss machine prop
s390x/css: unrestrict cssids
s390x/pci: search for subregion inside the BARs
s390x/pci: move the memory region write from pcistg
...
# Conflicts:
# include/hw/compat.h
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
First pull request for qemu-2.12. This has quite a bit of stuff
accumulated while 2.11 was finalizing. Highlights are:
* Some preliminary work towards implementing the "XIVE" POWER9
interrupt controller
* Some fixes for problems during reboot with MTTCG
* A substantial TCG performance improvement via
tcg_get_lookup_and_goto_ptr
* Numerous assorted cleanups and bugfixes that weren't urgent enough
for 2.11
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.12-20171215' into staging
ppc patch queue 2017-12-15
First pull request for qemu-2.12. This has quite a bit of stuff
accumulated while 2.11 was finalizing. Highlights are:
* Some preliminary work towards implementing the "XIVE" POWER9
interrupt controller
* Some fixes for problems during reboot with MTTCG
* A substantial TCG performance improvement via
tcg_get_lookup_and_goto_ptr
* Numerous assorted cleanups and bugfixes that weren't urgent enough
for 2.11
# gpg: Signature made Fri 15 Dec 2017 03:14:12 GMT
# gpg: using RSA key 0x6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/ppc-for-2.12-20171215: (24 commits)
spapr: don't initialize PATB entry if max-cpu-compat < power9
spapr: Assume msi_nonbroken
spapr: Rename machine init functions for clarity
target/ppc: introduce the PPC_BIT() macro
spapr_events: drop bogus cell from "interrupt-ranges" property
spapr: fix LSI interrupt specifiers in the device tree
spapr: replace numa_get_node() with lookup in pc-dimm list
spapr: introduce a spapr_qirq() helper
spapr: introduce a spapr_irq_set_lsi() helper
spapr: move the IRQ allocation routines under the machine
ppc/xics: assign of the CPU 'intc' pointer under the core
ppc/xics: introduce an icp_create() helper
spapr/rtas: do not reset the MSR in stop-self command
spapr/rtas: fix reboot of a a SMP TCG guest
spapr/rtas: disable the decrementer interrupt when a CPU is unplugged
e500: fix pci host bridge class/type
openpic: debug w/ info_report()
pcc: define the Power-saving mode Exit Cause Enable bits in PowerPCCPUClass
nvram: add AT24Cx i2c eeprom
e500: name openpic and pci host bridge
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
KVM does not allow memory regions > KVM_MEM_MAX_NR_PAGES, basically
limiting the memory per slot to 8TB-4k. As memory slots on s390/kvm must
be a multiple of 1MB we need start a new memory region if we cross
8TB-1M.
With that (and optimistic overcommitment in the kernel) I was able to
start a 24TB guest on a 1TB system.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <20171211122146.162430-1-borntraeger@de.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
[CH: 1UL -> 1ULL in KVM_MEM_MAX_NR_PAGES; build fix on 32 bit hosts]
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
If the requested buffer size of the frontend is smaller than the fixed
buffer size of the host's TPM, fail the startup_tpm() interface function,
which will make the device unusable. We fail it because the backend TPM
could produce larger packets than what the frontend could pass to the OS.
The current combination of TIS frontend and either passthrough or emulator
backend will not lead to this case since the TIS can support any size of
buffer.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Convert the tpm_emulator backend to get the current buffer size
of the external device and set it to the buffer size that the
frontend (TIS) requests.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Rather than hard coding the buffer size in the tpm_passthrough
backend read the TPM I/O buffer size from the host device.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Rather than setting the size of the TPM buffer in the front-end,
query the backend for the size of the buffer. In this patch we
just move the hard-coded buffer size of 4096 to the backends.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
A property to lookup a tpm backend.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
The reported error message is already prefixed with the -device
name & arguments.
Before:
qemu-system-x86_64: -device tpm-tis,id=foo,tpmdev=foo,irq=21: tpm_tis: IRQ 21 is outside valid range of 0 to 15
After:
qemu-system-x86_64: -device tpm-tis,id=foo,tpmdev=foo,irq=21: IRQ 21 is outside valid range of 0 to 15
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
The device should be exposed if present. It shouldn't have an
undefined version (or else backend init failed, and device should fail
too). Finally, make the fields specific to TIS device model.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
The function is generally useful and used in the following patches.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Do not hardcode TPM device model to lookup version, use an interface
instead.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
This will allow to introduce new devices implementing TPM.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
find_tpm() will be introduced to lookup the TPM device.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
The TPM backend processing thread has common shared variable race
issues. (they should not be so easy to reach since guest interaction
with the device is slow compared to host emulation)
An obvious one is setting op_cancelled from device thread after
calling write(cancel_fd). The backend thread may return before the
device thread has set the variable. Instead set it before
cancellation. Even if the write() failed, the end result is command
get possibly cancelled (even if cancellation came from external
sources it doesn't matter much).
It's worth to consider removing the backend processing thread for now.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Use a similar code as tpm_emulator_create(), call handle_opts() and
handle failure cleanup with object_unref() in create().
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Check fds values before closing, to avoid close(-1).
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
It doesn't need TPMBackend. Also reorder arguments for consistency.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
The value is later unneeded, and may leak if the free visitor doesn't
consider it since has_cancel_path is false. And for consistency with
"path" it shouldn't be returned in get_tpm_options().
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
No need to store the mode in the backend, or to let the frontend set
it itself.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Backend can give more accurate error description, and lift out the job
from the frontend.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Lift from the backend implementation the responsability to call the
request_completed() callback outside of thread context. This also
simplify frontend/interface work, as they no longer need to care
whether the callback is called from a different thread.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Now that there is an interface instead.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Store the TPM interface, the actual object may be different from
TPMState. Keep a reference on the interface, and check the backend
wasn't already initialized.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
This is a better location than hw/tpm, since we are going to use the
interface from outside hw/tpm.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
This field slipped in commit 5086bf9784.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
The passed-through device might be an express device. In this case the
old code allocated a too small emulated config space in
pci_config_alloc() since pci_config_size() returned the size for a
non-express device. This leads to an out-of-bound write in
xen_pt_config_reg_init(), which sometimes results in crashes. So set
is_express as already done for KVM in vfio-pci.
Shortened ASan report:
==17512==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x611000041648 at pc 0x55e0fdac51ff bp 0x7ffe4af07410 sp 0x7ffe4af07408
WRITE of size 2 at 0x611000041648 thread T0
#0 0x55e0fdac51fe in memcpy /usr/include/x86_64-linux-gnu/bits/string3.h:53
#1 0x55e0fdac51fe in stw_he_p include/qemu/bswap.h:330
#2 0x55e0fdac51fe in stw_le_p include/qemu/bswap.h:379
#3 0x55e0fdac51fe in pci_set_word include/hw/pci/pci.h:490
#4 0x55e0fdac51fe in xen_pt_config_reg_init hw/xen/xen_pt_config_init.c:1991
#5 0x55e0fdac51fe in xen_pt_config_init hw/xen/xen_pt_config_init.c:2067
#6 0x55e0fdabcf4d in xen_pt_realize hw/xen/xen_pt.c:830
#7 0x55e0fdf59666 in pci_qdev_realize hw/pci/pci.c:2034
#8 0x55e0fdda7d3d in device_set_realized hw/core/qdev.c:914
[...]
0x611000041648 is located 8 bytes to the right of 256-byte region [0x611000041540,0x611000041640)
allocated by thread T0 here:
#0 0x7ff596a94bb8 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xd9bb8)
#1 0x7ff57da66580 in g_malloc0 (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x50580)
#2 0x55e0fdda7d3d in device_set_realized hw/core/qdev.c:914
[...]
Signed-off-by: Simon Gaiser <hw42@ipsumj.de>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
If the frontend requests raw pointers, the input handlers must be
activated to have the input events delivered to the xenfb backend.
Without activation, the input events are delivered to handlers
registered earlier, which would be the emulated USB tablet or
emulated PS/2 mouse.
HVM xen_kbdfront can incorrectly scale absolute coordinates when
the display resolution is not 800x600.
Signed-off-by: Owen Smith <owen.smith@citrix.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
Writes "feature-raw-pointer" during init to indicate the backend
can pass raw unscaled values for absolute axes to the frontend.
Frontends set "request-raw-pointer" to indicate the backend should
not attempt to scale absolute values to console size.
"request-raw-pointer" is only valid if "request-abs-pointer" is
also set. Raw unscaled pointer values are in the range [0, 0x7fff]
"feature-raw-pointer" and "request-raw-pointer" added to Xen
header in commit 7868654ff7fe5e4a2eeae2b277644fa884a5031e
Signed-off-by: Owen Smith <owen.smith@citrix.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
Avoid the unneccessary calls through the input-legacy.c file by
using the qemu_input_handler_*() calls directly. This did require
reworking the event and sync handlers to use the reverse mapping
from qcode to linux using qemu_input_qcode_to_linux().
Removes the scancode2linux mapping, and supporting documention.
Signed-off-by: Owen Smith <owen.smith@citrix.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
This patch allocates an IOThread object for each xen_disk instance and
sets the AIO context appropriately on connect. This allows processing
of I/O to proceed in parallel.
The patch also adds tracepoints into xen_disk to make it possible to
follow the state transtions of an instance in the log.
Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
if KVM is enabled and KVM capabilities MMU radix is available,
the partition table entry (patb_entry) for the radix mode is
initialized by default in ppc_spapr_reset().
It's a problem if we want to migrate the guest to a POWER8 host
while the kernel is not started to set the value to the one
expected for a POWER8 CPU.
The "-machine max-cpu-compat=power8" should allow to migrate
a POWER9 KVM host to a POWER8 KVM host, but because patb_entry
is set, the destination QEMU tries to enable radix mode on the
POWER8 host. This fails and cancels the migration:
Process table config unsupported by the host
error while loading state for instance 0x0 of device 'spapr'
load of migration failed: Invalid argument
This patch doesn't set the PATB entry if the user provides
a CPU compatibility mode that doesn't support radix mode.
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
We conditionally adjust part of the guest device tree based on the
global msi_nonbroken flag. However, the main machine type code
initializes msi_nonbroken to true and there's nothing that would set
it to false again.
So replace the test with an assert().
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Machine objects have two init functions - the generic QOM level
instance_init which should only do static object initialization, and
the Machine specific MachineClass::init which does the actual
construction of the machine.
In spapr the functions implementing these two have names -
ppc_machine_initfn() and ppc_spapr_init() - which don't correspond closely
to either of those. To prevent people (read, me) from confusing which is
which, rename them spapr_instance_init() and spapr_machine_init() to
make it clearer which is which.
While we're there rename ppc_spapr_reset() to spapr_machine_reset() to
match.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
According to LoPAPR 1.1 B.6.12, the "/event-sources" node has an "interrupt-
ranges" property, the format of which is described in B.6.9.1.2 as follows:
“interrupt-ranges”
Standard property name that defines the interrupt number(s) and range(s)
handled by this unit.
prop-encoded-array: List of (int-number, range) specifications.
Int-number is encoded as with encode-int.
Range is encoded as with encode-int.
The first entry in this list shall contain the int-number associated with
the first “reg” property entry. The int-num-ber is the value representing
the interrupt source as would appear in the PowerPC External Interrupt
Architecture XISR. The range shall be the number of sequential interrupt
numbers which this unit can generate.
There's no such thing as a cell count at the end of the array, like the
one introduced by commit ffbb1705a3 in QEMU 2.8. It doesn't seem it had
any impact on existing guests and I couldn't find any related workaround
in linux. So, let's just drop the bogus lines.
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
LoPAPR 1.1 B.6.9.1.2 describes the "#interrupt-cells" property of the
PowerPC External Interrupt Source Controller node as follows:
“#interrupt-cells”
Standard property name to define the number of cells in an interrupt-
specifier within an interrupt domain.
prop-encoded-array: An integer, encoded as with encode-int, that denotes
the number of cells required to represent an interrupt specifier in its
child nodes.
The value of this property for the PowerPC External Interrupt option shall
be 2. Thus all interrupt specifiers (as used in the standard “interrupts”
property) shall consist of two cells, each containing an integer encoded
as with encode-int. The first integer represents the interrupt number the
second integer is the trigger code: 0 for edge triggered, 1 for level
triggered.
This patch fixes the interrupt specifiers in the "interrupt-map" property
of the PHB node, that were setting the second cell to 8 (confusion with
IRQ_TYPE_LEVEL_LOW ?) instead of 1.
VIO devices and RTAS event sources use the same format for interrupt
specifiers: while here, we introduce a common helper to handle the
encoding details.
Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Tested-by: Cédric Le Goater <clg@kaod.org>
--
v3: - reference public LoPAPR instead of internal PAPR+ in changelog
- change helper name to spapr_dt_xics_irq()
v2: - drop the erroneous changes to the "interrupts" prop in PCI device nodes
- introduce a common helper to encode interrupt specifiers
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
SPAPR is the last user of numa_get_node() and a bunch of
supporting code to maintain numa_info[x].addr list.
Get LMB node id from pc-dimm list, which allows to
remove ~80LOC maintaining dynamic address range
lookup list.
It also removes pc-dimm dependency on numa_[un]set_mem_node_id()
and makes pc-dimms a sole source of information about which
node it belongs to and removes duplicate data from global
numa_info.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
xics_get_qirq() is only used by the sPAPR machine. Let's move it there
and change its name to reflect its scope. It will be useful for XIVE
support which will use its own set of qirqs.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
It will make synchronisation easier with the XIVE interrupt mode when
available. The 'irq' parameter refers to the global IRQ number space.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Also change the prototype to use a sPAPRMachineState and prefix them
with spapr_irq_. It will let us synchronise the IRQ allocation with
the XIVE interrupt mode when available.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The 'intc' pointer of the CPU references the interrupt presenter in
the XICS interrupt mode. When the XIVE interrupt mode is available and
activated, the machine will need to reassign this pointer to reflect
the change.
Moving this assignment under the realize routine of the CPU will ease
the process when the interrupt mode is toggled.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The sPAPR and the PowerNV core objects create the interrupt presenter
object of the CPUs in a very similar way. Let's provide a common
routine in which we use the presenter 'type' as a child identifier.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
When a CPU is stopped with the 'stop-self' RTAS call, its state
'halted' is switched to 1 and, in this case, the MSR is not taken into
account anymore in the cpu_has_work() routine. Only the pending
hardware interrupts are checked with their LPCR:PECE* enablement bit.
The CPU is now also protected from the decrementer interrupt by the
LPCR:PECE* bits which are disabled in the 'stop-self' RTAS
call. Reseting the MSR is pointless.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Just like for hot unplug CPUs, when a guest is rebooted, the secondary
CPUs can be awaken by the decrementer and start entering SLOF at the
same time the boot CPU is.
To be safe, let's disable on the secondaries all the exceptions which
can cause an exit while the CPU is in power-saving mode.
Based on previous work from Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
When a CPU is stopped with the 'stop-self' RTAS call, its state
'halted' is switched to 1 and, in this case, the MSR is not taken into
account anymore in the cpu_has_work() routine. Only the pending
hardware interrupts are checked with their LPCR:PECE* enablement bit.
If the DECR timer fires after 'stop-self' is called and before the CPU
'stop' state is reached, the nearly-dead CPU will have some work to do
and the guest will crash. This case happens very frequently with the
not yet upstream P9 XIVE exploitation mode. In XICS mode, the DECR is
occasionally fired but after 'stop' state, so no work is to be done
and the guest survives.
I suspect there is a race between the QEMU mainloop triggering the
timers and the TCG CPU thread but I could not quite identify the root
cause. To be safe, let's disable in the LPCR all the exceptions which
can cause an exit while the CPU is in power-saving mode and reenable
them when the CPU is started.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Correct some confusion wrt. the PCI facing
side of the PCI host bridge (not PCIe root complex).
The ref. manual for the mpc8533 (as well as
mpc8540 and mpc8540) give the class code as
PCI_CLASS_PROCESSOR_POWERPC.
While the PCI_HEADER_TYPE field is oddly omitted,
the tables in the "PCI Configuration Header"
section shows a type 0 layout using all 6 BAR
registers (as 2x 32, and 2x 64 bit regions)
So 997505065d
seems to be in error. Although there was
perhaps some confusion as the mpc8533
has a separate PCIe root complex.
With PCIe, a root complex has PCI_HEADER_TYPE=1.
Neither the PCI host bridge, nor the PCIe
root complex advertise class PCI_CLASS_BRIDGE_PCI.
This was confusing Linux guests, which try
to interpret the host bridge as a pci-pci
bridge, but get confused and re-enumerate
the bus when the primary/secondary/subordinate
bus registers don't have valid values.
Signed-off-by: Michael Davidsaver <mdavidsaver@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Replace *printf() with *_report().
Remove trailing new lines.
Signed-off-by: Michael Davidsaver <mdavidsaver@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
