Pass the address of the last byte to be changed, rather than
the first address past the last byte. This avoids overflow
when the last page of the address space is involved.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Pass the address of the last byte to be changed, rather than
the first address past the last byte. This avoids overflow
when the last page of the address space is involved.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1528
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
blk_get_geometry() eventually calls bdrv_nb_sectors(), which is a
co_wrapper_mixed_bdrv_rdlock. This means that when it is called from
coroutine context, it already assume to have the graph locked.
However, virtio_blk_sect_range_ok() in block/export/virtio-blk-handler.c
(used by vhost-user-blk and VDUSE exports) runs in a coroutine, but
doesn't take the graph lock - blk_*() functions are generally expected
to do that internally. This causes an assertion failure when accessing
an export for the first time if it runs in an iothread.
This is an example of the crash:
$ ./storage-daemon/qemu-storage-daemon --object iothread,id=th0 --blockdev file,filename=/home/kwolf/images/hd.img,node-name=disk --export vhost-user-blk,addr.type=unix,addr.path=/tmp/vhost.sock,node-name=disk,id=exp0,iothread=th0
qemu-storage-daemon: ../block/graph-lock.c:268: void assert_bdrv_graph_readable(void): Assertion `qemu_in_main_thread() || reader_count()' failed.
(gdb) bt
#0 0x00007ffff6eafe5c in __pthread_kill_implementation () from /lib64/libc.so.6
#1 0x00007ffff6e5fa76 in raise () from /lib64/libc.so.6
#2 0x00007ffff6e497fc in abort () from /lib64/libc.so.6
#3 0x00007ffff6e4971b in __assert_fail_base.cold () from /lib64/libc.so.6
#4 0x00007ffff6e58656 in __assert_fail () from /lib64/libc.so.6
#5 0x00005555556337a3 in assert_bdrv_graph_readable () at ../block/graph-lock.c:268
#6 0x00005555555fd5a2 in bdrv_co_nb_sectors (bs=0x5555564c5ef0) at ../block.c:5847
#7 0x00005555555ee949 in bdrv_nb_sectors (bs=0x5555564c5ef0) at block/block-gen.c:256
#8 0x00005555555fd6b9 in bdrv_get_geometry (bs=0x5555564c5ef0, nb_sectors_ptr=0x7fffef7fedd0) at ../block.c:5884
#9 0x000055555562ad6d in blk_get_geometry (blk=0x5555564cb200, nb_sectors_ptr=0x7fffef7fedd0) at ../block/block-backend.c:1624
#10 0x00005555555ddb74 in virtio_blk_sect_range_ok (blk=0x5555564cb200, block_size=512, sector=0, size=512) at ../block/export/virtio-blk-handler.c:44
#11 0x00005555555dd80d in virtio_blk_process_req (handler=0x5555564cbb98, in_iov=0x7fffe8003830, out_iov=0x7fffe8003860, in_num=1, out_num=0) at ../block/export/virtio-blk-handler.c:189
#12 0x00005555555dd546 in vu_blk_virtio_process_req (opaque=0x7fffe8003800) at ../block/export/vhost-user-blk-server.c:66
#13 0x00005555557bf4a1 in coroutine_trampoline (i0=-402635264, i1=32767) at ../util/coroutine-ucontext.c:177
#14 0x00007ffff6e75c20 in ?? () from /lib64/libc.so.6
#15 0x00007fffefffa870 in ?? ()
#16 0x0000000000000000 in ?? ()
Fix this by creating a new blk_co_get_geometry() that takes the lock,
and changing blk_get_geometry() to be a co_wrapper_mixed around it.
To make the resulting code cleaner, virtio-blk-handler.c can directly
call the coroutine version now (though that wouldn't be necessary for
fixing the bug, taking the lock in blk_co_get_geometry() is what fixes
it).
Fixes: 8ab8140a04
Reported-by: Lukáš Doktor <ldoktor@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230327113959.60071-1-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Bring the block files in line with the QEMU coding style, with spaces
for indentation. This patch partially resolves the issue 371.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/371
Signed-off-by: Yeqi Fu <fufuyqqqqqq@gmail.com>
Message-Id: <20230314095001.13801-1-fufuyqqqqqq@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Bring the block files in line with the QEMU coding style, with spaces
for indentation. This patch partially resolves the issue 371.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/371
Signed-off-by: Yeqi Fu <fufuyqqqqqq@gmail.com>
Message-Id: <20230315043229.62100-1-fufuyqqqqqq@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Now that we've broken the include loop with cpu.h,
we can bring this inline.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230310195252.210956-8-richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230315174331.2959-18-alex.bennee@linaro.org>
Reviewed-by: Emilio Cota <cota@braap.org>
The usage in hw/core/cpu.h only requires QEMU_PLUGIN_EV_MAX.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230310195252.210956-7-richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230315174331.2959-17-alex.bennee@linaro.org>
Reviewed-by: Emilio Cota <cota@braap.org>
This had been pulled in from hw/core/cpu.h,
but that will be removed.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230310195252.210956-6-richard.henderson@linaro.org>
[AJB: also syscall-trace.h]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230315174331.2959-16-alex.bennee@linaro.org>
Reviewed-by: Emilio Cota <cota@braap.org>
This macro is no longer used.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230310195252.210956-4-richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230315174331.2959-14-alex.bennee@linaro.org>
Reviewed-by: Emilio Cota <cota@braap.org>
Some API documentation was missed, rectify that.
Fixes: https://gitlab.com/qemu-project/qemu/-/issues/1497
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230315174331.2959-7-alex.bennee@linaro.org>
Close the given file descriptor, but returns the underlying SOCKET.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230320133643.1618437-2-marcandre.lureau@redhat.com>
Bring the files in line with the QEMU coding style, with spaces
for indentation.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/378
Signed-off-by: Yeqi Fu <fufuyqqqqqq@gmail.com>
Message-Id: <20230315032649.57568-1-fufuyqqqqqq@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Fixes the Windows build under msys2 using GCC 12 which fails with the following
error:
[184/579] Compiling C++ object qga/vss-win32/qga-vss.dll.p/install.cpp.obj
FAILED: qga/vss-win32/qga-vss.dll.p/install.cpp.obj
"c++" "-m64" "-mcx16" "-Iqga/vss-win32/qga-vss.dll.p" "-Iqga/vss-win32" "-I../src/qga/vss-win32" "-I." "-Iqapi" "-Itrace" "-Iui" "-Iui/shader" "-IC:/msys64/mingw64/include/glib-2.0" "-IC:/msys64/mingw64/lib/glib-2.0/include" "-fdiagnostics-color=auto" "-Wall" "-Winvalid-pch" "-Wnon-virtual-dtor" "-Werror" "-std=gnu++11" "-g" "-iquote" "." "-iquote" "C:/msys64/home/shentey/Projects/qemu/src" "-iquote" "C:/msys64/home/shentey/Projects/qemu/src/include" "-iquote" "C:/msys64/home/shentey/Projects/qemu/src/tcg/i386" "-D__STDC_LIMIT_MACROS" "-D__STDC_CONSTANT_MACROS" "-D__STDC_FORMAT_MACROS" "-fno-pie" "-no-pie" "-D_GNU_SOURCE" "-D_FILE_OFFSET_BITS=64" "-D_LARGEFILE_SOURCE" "-fno-strict-aliasing" "-fno-common" "-fwrapv" "-Wundef" "-Wwrite-strings" "-Wtype-limits" "-Wformat-security" "-Wformat-y2k" "-Winit-self" "-Wignored-qualifiers" "-Wempty-body" "-Wendif-labels" "-Wexpansion-to-defined" "-Wimplicit-fallthrough=2" "-Wmissing-format-attribute" "-Wno-missing-include-dirs" "-Wno-shift-negative-value" "-Wno-psabi" "-fstack-protector-strong" "-Wno-unknown-pragmas" "-Wno-delete-non-virtual-dtor" "-Wno-non-virtual-dtor" -MD -MQ qga/vss-win32/qga-vss.dll.p/install.cpp.obj -MF "qga/vss-win32/qga-vss.dll.p/install.cpp.obj.d" -o qga/vss-win32/qga-vss.dll.p/install.cpp.obj "-c" ../src/qga/vss-win32/install.cpp
In file included from C:/msys64/mingw64/lib/glib-2.0/include/glibconfig.h:9,
from C:/msys64/mingw64/include/glib-2.0/glib/gtypes.h:34,
from C:/msys64/mingw64/include/glib-2.0/glib/galloca.h:34,
from C:/msys64/mingw64/include/glib-2.0/glib.h:32,
from C:/msys64/home/shentey/Projects/qemu/src/include/glib-compat.h:32,
from C:/msys64/home/shentey/Projects/qemu/src/include/qemu/osdep.h:144,
from ../src/qga/vss-win32/install.cpp:13:
C:/msys64/mingw64/include/glib-2.0/glib/gmacros.h:1075:21: error: standard attributes in middle of decl-specifiers
1075 | # define G_NORETURN [[noreturn]]
| ^
C:/msys64/home/shentey/Projects/qemu/src/include/qemu/osdep.h:240:8: note: in expansion of macro 'G_NORETURN'
240 | extern G_NORETURN
| ^~~~~~~~~~
C:/msys64/mingw64/include/glib-2.0/glib/gmacros.h:1075:21: note: standard attributes must precede the decl-specifiers to apply to the declaration, or follow them to apply to the type
1075 | # define G_NORETURN [[noreturn]]
| ^
C:/msys64/home/shentey/Projects/qemu/src/include/qemu/osdep.h:240:8: note: in expansion of macro 'G_NORETURN'
240 | extern G_NORETURN
| ^~~~~~~~~~
C:/msys64/mingw64/include/glib-2.0/glib/gmacros.h:1075:21: error: attribute ignored [-Werror=attributes]
1075 | # define G_NORETURN [[noreturn]]
| ^
C:/msys64/home/shentey/Projects/qemu/src/include/qemu/osdep.h:240:8: note: in expansion of macro 'G_NORETURN'
240 | extern G_NORETURN
| ^~~~~~~~~~
C:/msys64/mingw64/include/glib-2.0/glib/gmacros.h:1075:21: note: an attribute that appertains to a type-specifier is ignored
1075 | # define G_NORETURN [[noreturn]]
| ^
C:/msys64/home/shentey/Projects/qemu/src/include/qemu/osdep.h:240:8: note: in expansion of macro 'G_NORETURN'
240 | extern G_NORETURN
| ^~~~~~~~~~
cc1plus.exe: all warnings being treated as errors
Apparently it also fixes the compilation with Clang 15 (see
https://gitlab.com/qemu-project/qemu/-/issues/1541 ).
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1541
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-Id: <20230318185931.181659-1-shentey@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
During build the kernel-doc script complains about the following issue:
src/docs/../include/exec/memory.h:1741: warning: Function parameter or member 'n' not described in 'memory_region_unmap_iommu_notifier_range'
src/docs/../include/exec/memory.h:1741: warning: Excess function parameter 'notifier' description in 'memory_region_unmap_iommu_notifier_range'
Settle on "notifier" for consistency with other memory functions.
Fixes: 7caebbf9ea
("memory: introduce memory_region_unmap_iommu_notifier_range()")
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230315072552.47117-1-shentey@gmail.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Future patches will introduce EGL support on win32 (too late for 8.0
though). Having a common place for EGL initialization and error handling
will make it simpler.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Keeping the current cursor around is useful, not only for VNC, but for
other displays. Let's move it down, see the following patches for other
usages.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
The naming is more conventional in QEMU code, and allows to simplify
some code by changing the API design, so it returns the input parameter,
instead of void.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
The naming is more conventional in QEMU.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Or else, we may randomly destroy some textures..
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These functions are no longer used.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Replace with tcg_constant_vec*.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230306175230.7110-24-anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230306175230.7110-2-anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Move the tcg_temp_free_* and tcg_temp_ebb_new_* declarations
and inlines to the new header. These are private to the
implementation, and will prevent tcg_temp_free_* from creeping
back into the guest front ends.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Manually implement a socketpair() function, using UNIX sockets and
simple peer credential checking.
QEMU doesn't make much use of socketpair, beside vhost-user which is not
available for win32 at this point. However, I intend to use it for
writing some new portable tests.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230306122751.2355515-5-marcandre.lureau@redhat.com>
Use a close() wrapper instead, so that we don't need to worry about
closesocket() vs close() anymore, let's hope.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-Id: <20230221124802.4103554-17-marcandre.lureau@redhat.com>
The API is specific to win32.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230221124802.4103554-16-marcandre.lureau@redhat.com>
Until now, a win32 SOCKET handle is often cast to an int file
descriptor, as this is what other OS use for sockets. When necessary,
QEMU eventually queries whether it's a socket with the help of
fd_is_socket(). However, there is no guarantee of conflict between the
fd and SOCKET space. Such conflict would have surprising consequences,
we shouldn't mix them.
Also, it is often forgotten that SOCKET must be closed with
closesocket(), and not close().
Instead, let's make the win32 socket wrapper functions return and take a
file descriptor, and let util/ wrappers do the fd/SOCKET conversion as
necessary. A bit of adaptation is necessary in io/ as well.
Unfortunately, we can't drop closesocket() usage, despite
_open_osfhandle() documentation claiming transfer of ownership, testing
shows bad behaviour if you forget to call closesocket().
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-Id: <20230221124802.4103554-15-marcandre.lureau@redhat.com>
Open-code the socket registration where it's needed, to avoid
artificially used or unclear generic interface.
Furthermore, the following patches are going to make socket handling use
FD-only inside QEMU, but we need to handle win32 SOCKET from libslirp.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-Id: <20230221124802.4103554-12-marcandre.lureau@redhat.com>
A more explicit version of qemu_socket_select() with no events.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-Id: <20230221124802.4103554-8-marcandre.lureau@redhat.com>
This is a wrapper for WSAEventSelect, with Error handling. By default,
it will produce a warning, so callers don't have to be modified
now, and yet we can spot potential mis-use.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-Id: <20230221124802.4103554-7-marcandre.lureau@redhat.com>
This can help debugging issues or develop, when error handling is
introduced.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-Id: <20230221124802.4103554-6-marcandre.lureau@redhat.com>
Fortunately, qemu_fork() is no longer used since commit
a95570e3e4 ("io/command: use glib GSpawn, instead of open-coding
fork/exec"). (GSpawn uses posix_spawn() whenever possible instead)
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230221124802.4103554-2-marcandre.lureau@redhat.com>
Define xtensa-specific info_is_fdpic and fill in FDPIC-specific
registers in the xtensa version of init_thread.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Message-Id: <20230205061230.544451-1-jcmvbkbc@gmail.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Several features that landed at the last possible moment:
Passthrough HDM decoder emulation
Refactor cryptodev
RAS error emulation and injection
acpi-index support on non-hotpluggable slots
Dynamically switch to vhost shadow virtqueues at vdpa net migration
Plus a couple of bugfixes that look important to have in the release.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging
virtio,pc,pci: features, fixes
Several features that landed at the last possible moment:
Passthrough HDM decoder emulation
Refactor cryptodev
RAS error emulation and injection
acpi-index support on non-hotpluggable slots
Dynamically switch to vhost shadow virtqueues at vdpa net migration
Plus a couple of bugfixes that look important to have in the release.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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# gpg: Signature made Thu 09 Mar 2023 14:46:14 GMT
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (72 commits)
virtio: fix reachable assertion due to stale value of cached region size
hw/virtio/vhost-user: avoid using unitialized errp
hw/pxb-cxl: Support passthrough HDM Decoders unless overridden
hw/pci: Add pcie_count_ds_port() and pcie_find_port_first() helpers
hw/mem/cxl_type3: Add CXL RAS Error Injection Support.
hw/pci/aer: Make PCIE AER error injection facility available for other emulation to use.
hw/cxl: Fix endian issues in CXL RAS capability defaults / masks
hw/mem/cxl-type3: Add AER extended capability
hw/pci-bridge/cxl_root_port: Wire up MSI
hw/pci-bridge/cxl_root_port: Wire up AER
hw/pci/aer: Add missing routing for AER errors
hw/pci/aer: Implement PCI_ERR_UNCOR_MASK register
pcihp: add ACPI PCI hotplug specific is_hotpluggable_bus() callback
pcihp: move fields enabling hotplug into AcpiPciHpState
acpi: pci: move out ACPI PCI hotplug generator from generic slot generator build_append_pci_bus_devices()
acpi: pci: move BSEL into build_append_pcihp_slots()
acpi: pci: drop BSEL usage when deciding that device isn't hotpluggable
pci: move acpi-index uniqueness check to generic PCI device code
tests: acpi: update expected blobs
tests: acpi: add non zero function device with acpi-index on non-hotpluggble bus
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
igb can use this function to change its behavior depending on the
number of virtual functions currently enabled.
Signed-off-by: Gal Hammer <gal.hammer@sap.com>
Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
igb, a new network device emulation, will need SCTP checksum offloading.
Currently eth_get_protocols() has a bool parameter for each protocol
currently it supports, but there will be a bit too many parameters if
we add yet another protocol.
Introduce an enum type, EthL4HdrProto to represent all L4 protocols
eth_get_protocols() support with one parameter.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
The values returned by eth_get_protocols() are used to perform RSS,
checksumming and segmentation. Even when a packet signals the use of the
protocols which these operations can be applied to, the headers for them
may not be present because of too short packet or fragmentation, for
example. In such a case, the operations cannot be applied safely.
Report the presence of headers instead of whether the use of the
protocols are indicated with eth_get_protocols(). This also makes
corresponding changes to the callers of eth_get_protocols() to match
with its new signature and to remove redundant checks for fragmentation.
Fixes: 75020a7021 ("Common definitions for VMWARE devices")
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
There was no proper implementation of TCP segmentation before this
change, and net_tx_pkt relied solely on IPv4 fragmentation. Not only
this is not aligned with the specification, but it also resulted in
corrupted IPv6 packets.
This is particularly problematic for the igb, a new proposed device
implementation; igb provides loopback feature for VMDq and the feature
relies on software segmentation.
Implement proper TCP segmentation in net_tx_pkt to fix such a scenario.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
filter-dump specifiees Ethernet as PCAP LinkType, which does not expect
virtio-net header. Having virtio-net header in such PCAP file breaks
PCAP unconsumable. Unfortunately currently there is no LinkType for
virtio-net so for now strip virtio-net header to convert the output to
Ethernet.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
hw/net/mii.h provides common definitions for MII.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
- split user and softmmu code
- use cleaner headers for tb_flush, target_ulong
- probe for gdb multiarch support at configure
- make syscall handling target independent
- add update guest debug of accel ops
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Merge tag 'pull-gdbstub-070323-3' of https://gitlab.com/stsquad/qemu into staging
gdbstub refactor:
- split user and softmmu code
- use cleaner headers for tb_flush, target_ulong
- probe for gdb multiarch support at configure
- make syscall handling target independent
- add update guest debug of accel ops
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# gpg: Signature made Tue 07 Mar 2023 20:45:23 GMT
# gpg: using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44
* tag 'pull-gdbstub-070323-3' of https://gitlab.com/stsquad/qemu: (30 commits)
gdbstub: move update guest debug to accel ops
gdbstub: Build syscall.c once
stubs: split semihosting_get_target from system only stubs
gdbstub: Adjust gdb_do_syscall to only use uint32_t and uint64_t
gdbstub: Remove gdb_do_syscallv
gdbstub: split out softmmu/user specifics for syscall handling
include: split target_long definition from cpu-defs
testing: probe gdb for supported architectures ahead of time
gdbstub: only compile gdbstub twice for whole build
gdbstub: move syscall handling to new file
gdbstub: move register helpers into standalone include
gdbstub: don't use target_ulong while handling registers
gdbstub: fix address type of gdb_set_cpu_pc
gdbstub: specialise stub_can_reverse
gdbstub: introduce gdb_get_max_cpus
gdbstub: specialise target_memory_rw_debug
gdbstub: specialise handle_query_attached
gdbstub: abstract target specific details from gdb_put_packet_binary
gdbstub: rationalise signal mapping in softmmu
gdbstub: move chunks of user code into own files
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
