Since 2008 the tcg/LICENSE file has not changed: it claims that
everything under tcg/ is BSD-licensed.
This is not true and hasn't been true for years: in 2013 we
accepted the tcg/aarch64 target code under a GPLv2-or-later
license statement. We also have generic vector optimisation
code under the LGPL2.1-or-later, and the TCI backend is
GPLv2-or-later. Further, many of the files are not BSD
licensed but MIT licensed.
We don't really consider the tcg subdirectory to be a distinct part
of QEMU anyway.
Remove the LICENSE file, since claiming false information
about the license of the code is confusing.
Update the main project LICENSE file also to be clearer about
the licenses used by TCG.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20191025155848.17362-5-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Add the copyright/license boilerplate for tcg/i386/tcg-target.opc.h.
This file has had only two commits, 4b06c21682 and
d9897efa1f, both by a Linaro engineer.
The license is MIT, since that's what the rest of tcg/ppc/ is.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20191025155848.17362-4-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Add the copyright/license boilerplate for tcg/i386/tcg-target.opc.h.
This file has had only one commit, 770c2fc7bb, by
a Linaro engineer.
The license is MIT, since that's what the rest of tcg/i386/ is.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20191025155848.17362-3-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Add the copyright/license boilerplate for target/aarch64/tcg-target.opc.h.
This file has only had two commits: 14e4c1e235
and 79525dfd08, both by the same Linaro engineer.
The license is GPL-2-or-later, since that's what the
rest of tcg/aarch64 uses.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20191025155848.17362-2-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
RXpkt.in_use is always 16 bit wide, but when the bus access mode is 32bit
and the endianness is big, we must access the second word and not the
first. This patch adjusts the offset according to the size and endianness.
This fixes DHCP for Q800 guest.
Fixes: be92084198 ("dp8393x: manage big endian bus")
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Tested-by: Hervé Poussineau <hpoussin@reactos.org>
Message-Id: <20191106112341.23735-3-laurent@vivier.eu>
Move it from the stack.
It's only 24 bytes, and this simplifies the dp8393x_get()/
dp8393x_put() interface.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Hervé Poussineau <hpoussin@reactos.org>
Message-Id: <20191106112341.23735-2-laurent@vivier.eu>
Test what qemu-img check says about an image after one has written
compressed data to an offset above 4 GB.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20191028161841.1198-3-mreitz@redhat.com
Reviewed-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
There are two issues in In check_constraints_on_bitmap(),
1) The sanity check on the granularity will cause uint64_t
integer left-shift overflow when cluster_size is 2M and the
granularity is BIGGER than 32K.
2) The way to calculate image size that the maximum bitmap
supported can map to is a bit incorrect.
This patch fix it by add a helper function to calculate the
number of bytes needed by a normal bitmap in image and compare
it to the maximum bitmap bytes supported by qemu.
Fixes: 5f72826e7f
Signed-off-by: Guoyi Tu <tu.guoyi@h3c.com>
Message-id: 4ba40cd1e7ee4a708b40899952e49f22@h3c.com
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Max Reitz <mreitz@redhat.com>
but they are a step in the good direction.
Fix Netlink support.
Trivial fix for alpha
PULL v2: fix checkpatch warnings
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Merge remote-tracking branch 'remotes/vivier2/tags/linux-user-for-4.2-pull-request' into staging
sparc/sparc64 fixes: this doesn't fix debian chroot for me
but they are a step in the good direction.
Fix Netlink support.
Trivial fix for alpha
PULL v2: fix checkpatch warnings
# gpg: Signature made Wed 06 Nov 2019 13:04:36 GMT
# gpg: using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg: issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C
* remotes/vivier2/tags/linux-user-for-4.2-pull-request:
linux-user/alpha: Set r20 secondary return value
linux-user/sparc: Fix cpu_clone_regs_*
linux-user: Introduce cpu_clone_regs_parent
linux-user: Rename cpu_clone_regs to cpu_clone_regs_child
linux-user/sparc64: Fix target_signal_frame
linux-user/sparc: Fix WREG usage in setup_frame
linux-user/sparc: Use WREG_SP constant in sparc/signal.c
linux-user/sparc: Begin using WREG constants in sparc/signal.c
linux-user/sparc: Use WREG constants in sparc/target_cpu.h
target/sparc: Define an enumeration for accessing env->regwptr
tests/tcg/multiarch/linux-test: Fix error check for shmat
scripts/qemu-binfmt-conf: Update for sparc64
linux-user: Support for NETLINK socket options
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
PIIX southbridge is also used by the Malta MIPS machine.
Split the PIIX3 southbridge from i440FX northbridge.
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Merge remote-tracking branch 'remotes/philmd-gitlab/tags/mips-next-20191105' into staging
The i440FX northbridge is only used by the PC machine, while the
PIIX southbridge is also used by the Malta MIPS machine.
Split the PIIX3 southbridge from i440FX northbridge.
# gpg: Signature made Tue 05 Nov 2019 22:48:12 GMT
# gpg: using RSA key 89C1E78F601EE86C867495CBA2A3FD6EDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (Phil) <philmd@redhat.com>" [marginal]
# 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: 89C1 E78F 601E E86C 8674 95CB A2A3 FD6E DEAD C0DE
* remotes/philmd-gitlab/tags/mips-next-20191105: (21 commits)
hw/pci-host/i440fx: Remove the last PIIX3 traces
hw/pci-host: Rename incorrectly named 'piix' as 'i440fx'
hw/pci-host/piix: Extract PIIX3 functions to hw/isa/piix3.c
hw/pci-host/piix: Fix code style issues
hw/pci-host/piix: Move i440FX declarations to hw/pci-host/i440fx.h
hw/pci-host/piix: Define and use the PIIX IRQ Route Control Registers
hw/pci-host/piix: Move RCR_IOPORT register definition
hw/pci-host/piix: Extract piix3_create()
hw/i386: Remove obsolete LoadStateHandler::load_state_old handlers
hw/isa/piix4: Move piix4_create() to hw/isa/piix4.c
hw/mips/mips_malta: Extract the PIIX4 creation code as piix4_create()
hw/mips/mips_malta: Create IDE hard drive array dynamically
piix4: Add a MC146818 RTC Controller as specified in datasheet
piix4: Add an i8254 PIT Controller as specified in datasheet
piix4: Add an i8257 DMA Controller as specified in datasheet
piix4: Rename PIIX4 object to piix4-isa
Revert "irq: introduce qemu_irq_proxy()"
piix4: Add an i8259 Interrupt Controller as specified in datasheet
piix4: Add the Reset Control Register
MAINTAINERS: Keep PIIX4 South Bridge separate from PC Chipsets
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
'the' has a tendency to double up; squash them back down.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191104185202.102504-1-dgilbert@redhat.com>
[lv: removed disas/libvixl/vixl/invalset.h change]
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Let's get the image fuzzer Python 3 changes merged in QEMU 4.2.
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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging
Pull request
Let's get the image fuzzer Python 3 changes merged in QEMU 4.2.
# gpg: Signature made Tue 05 Nov 2019 15:43:16 GMT
# gpg: using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full]
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" [full]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8
* remotes/stefanha/tags/block-pull-request:
image-fuzzer: Use OSerror.strerror instead of tuple subscript
image-fuzzer: Use errors parameter of subprocess.Popen()
image-fuzzer: Run using python3
image-fuzzer: Encode file name and file format to bytes
image-fuzzer: Use bytes constant for field values
image-fuzzer: Return bytes objects on string fuzzing functions
image-fuzzer: Use %r for all fiels at Field.__repr__()
image-fuzzer: Use io.StringIO
image-fuzzer: Explicitly use integer division operator
image-fuzzer: Write bytes instead of string to image file
image-fuzzer: Open image files in binary mode
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This value is not, as far as I know, used by any linux software,
but it is set by the kernel and is part of the ABI.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20191106113318.10226-13-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
We failed to set the secondary return value in %o1
we failed to advance the PC past the syscall,
we failed to adjust regwptr into the new structure,
we stored the stack pointer into the wrong register.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20191106113318.10226-12-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
We will need a target-specific hook for adjusting registers
in the parent during clone. Add an empty inline function for
each target, and invoke it from the proper places.
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191106113318.10226-11-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
We will need a target-specific hook for adjusting registers
in the parent during clone. To avoid confusion, rename the
one we have to make it clear it affects the child.
At the same time, pass in the flags from the clone syscall.
We will need them for correct behaviour for Sparc.
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191106113318.10226-10-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Use WREG_I0 not WREG_O0 in order to properly save the "ins".
The "outs" were saved separately in setup___siginfo.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20191106113318.10226-8-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
s/UREG_FP/WREG_SP/g
This is non-obvious because the UREG_FP constant is fact wrong.
However, the previous search-and-replace patch made it clear that
UREG_FP expands to WREG_O6, and we can see from the enumeration in
target/sparc/cpu.h that WREG_O6 is in fact WREG_SP, the stack pointer.
The UREG_SP define is unused; remove it.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20191106113318.10226-7-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This is non-obvious because the UREG constants are in fact wrong.
s/UREG_I/WREG_O/g
s/UREG_O/WREG_I/g
s/UREG_L/WREG_L/g
These substitutions have identical integer values.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20191106113318.10226-6-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This fixes a naming bug wherein we used "UREG_FP" to access the
stack pointer. OTOH, the "UREG_FP" constant was also defined
incorrectly such that it *did* reference the stack pointer.
Note that the kernel legitimately uses the name "FP", because it
utilizes the rolled stack window in processing the system call.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20191106113318.10226-5-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Also note that we were missing the qemu_target_list entry
for plain sparc; fix that at the same time.
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Tested-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20191106113318.10226-2-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Commit 65f14ab98d ("usb-host: skip reset for untouched devices")
filters out multiple usb device resets in a row. While this improves
the situation for usb some devices it doesn't work for others :-(
So go add a config option to make the behavior configurable.
Buglink: https://bugs.launchpad.net/bugs/1846451
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20191015064426.19454-1-kraxel@redhat.com
Host notifiers are used in several cases:
1. Traditional ioeventfd where virtqueue notifications are handled in
the main loop thread.
2. IOThreads (aio_handle_output) where virtqueue notifications are
handled in an IOThread AioContext.
3. vhost where virtqueue notifications are handled by kernel vhost or
a vhost-user device backend.
Most virtqueue notifications from the guest use the ioeventfd mechanism,
but there are corner cases where QEMU code calls virtio_queue_notify().
This currently honors the host notifier for the IOThreads
aio_handle_output case, but not for the vhost case. The result is that
vhost does not receive virtqueue notifications from QEMU when
virtio_queue_notify() is called.
This patch extends virtio_queue_notify() to set the host notifier
whenever it is enabled instead of calling the vq->(aio_)handle_output()
function directly. We track the host notifier state for each virtqueue
separately since some devices may use it only for certain virtqueues.
This fixes the vhost case although it does add a trip through the
eventfd for the traditional ioeventfd case. I don't think it's worth
adding a fast path for the traditional ioeventfd case because calling
virtio_queue_notify() is rare when ioeventfd is enabled.
Reported-by: Felipe Franciosi <felipe@nutanix.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20191105140946.165584-1-stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The virtual address that is provided by the guest in post_send and
post_recv operations is related to the guest address space. This address
space is unknown to the HCA resides on host so extra step in these
operations is needed to adjust the address to host virtual address.
This step, which is done in data-path affects performances.
An enhanced verion of MR registration introduced here
https://patchwork.kernel.org/patch/11044467/ can be used so that the
guest virtual address space for this MR is known to the HCA in host.
This will save the data-path adjustment.
Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Message-Id: <20190818132107.18181-3-yuval.shaia@oracle.com>
Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
The function reg_mr_iova is an enhanced version of ibv_reg_mr function
that can help to easly register and use guest's MRs.
Add check in 'configure' phase to detect if we have libibverbs with this
support.
Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Message-Id: <20190818132107.18181-2-yuval.shaia@oracle.com>
Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
The PIIX3 is not tied to the i440FX and can even be used without it.
Move its creation to the machine code (pc_piix.c).
We have now removed the last trace of southbridge code in the i440FX
northbridge.
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
We moved all the PIIX3 southbridge code out of hw/pci-host/piix.c,
it now only contains i440FX northbridge code.
Rename it to match the chipset modelled.
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Move all the PIIX3 functions to a new file: hw/isa/piix3.c.
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
We will move this code, fix its style first.
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Esteban Bosse <estebanbosse@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
The hw/pci-host/piix.c contains a mix of PIIX3 and i440FX chipsets
functions. To be able to split it, we need to export some
declarations first.
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
The IRQ Route Control registers definitions belong to the PIIX
chipset. We were only defining the 'A' register. Define the other
B, C and D registers, and use them.
Acked-by: Paul Durrant <paul@xen.org>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
The RCR_IOPORT register belongs to the PIIX chipset.
Move the definition to "piix.h", and prepend the PIIX prefix.
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Extract the PIIX3 creation code from the i440fx_init() function.
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Esteban Bosse <estebanbosse@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
These devices implemented their load_state_old() handler 10 years
ago, previous to QEMU v0.12.
Since commit cc425b5ddf removed the pc-0.10 and pc-0.11 machines,
we can drop this code.
Note: the mips_r4k machine started to use the i8254 device just
after QEMU v0.5.0, but the MIPS machine types are not versioned,
so there is no migration compatibility issue removing this handler.
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
