Commit graph

112197 commits

Author SHA1 Message Date
Mark Cave-Ayland 2c1017bfc2 esp.c: move esp_set_phase() and esp_get_phase() towards the beginning of the file
This allows these functions to be used earlier in the file without needing a
separate forward declaration.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20240324191707.623175-14-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2024-04-04 15:17:53 +01:00
Mark Cave-Ayland 3cc70889a3 esp.c: prevent cmdfifo overflow in esp_cdb_ready()
During normal use the cmdfifo will never wrap internally and cmdfifo_cdb_offset
will always indicate the start of the SCSI CDB. However it is possible that a
malicious guest could issue an invalid ESP command sequence such that cmdfifo
wraps internally and cmdfifo_cdb_offset could point beyond the end of the FIFO
data buffer.

Add an extra check to fifo8_peek_buf() to ensure that if the cmdfifo has wrapped
internally then esp_cdb_ready() will exit rather than allow scsi_cdb_length() to
access data outside the cmdfifo data buffer.

Reported-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240324191707.623175-13-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2024-04-04 15:17:53 +01:00
Mark Cave-Ayland 5aa0df4067 esp.c: rework esp_cdb_length() into esp_cdb_ready()
The esp_cdb_length() function is only used as part of a calculation to determine
whether the cmdfifo contains an entire SCSI CDB. Rework esp_cdb_length() into a
new esp_cdb_ready() function which both enables us to handle the case where
scsi_cdb_length() returns -1, plus simplify the logic for its callers.

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240324191707.623175-12-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2024-04-04 15:17:53 +01:00
Mark Cave-Ayland 5a50644e47 esp.c: don't assert() if FIFO empty when executing non-DMA SELATNS
The current logic assumes that at least 1 byte is present in the FIFO when
executing a non-DMA SELATNS command, but this may not be the case if the
guest executes an invalid ESP command sequence.

Reported-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240324191707.623175-11-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2024-04-04 15:17:53 +01:00
Mark Cave-Ayland 266170f91f esp.c: introduce esp_fifo_push_buf() function for pushing to the FIFO
Instead of pushing data into the FIFO directly with fifo8_push_all(), add a new
esp_fifo_push_buf() function and use it accordingly.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20240324191707.623175-10-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2024-04-04 15:17:53 +01:00
Mark Cave-Ayland da8381260b esp.c: change esp_fifo_pop_buf() to take ESPState
Now that all users of esp_fifo_pop_buf() operate on the main FIFO there is no
need to pass the FIFO explicitly.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20240324191707.623175-9-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2024-04-04 15:17:53 +01:00
Mark Cave-Ayland 1f46d1c3a5 esp.c: use esp_fifo_push() instead of fifo8_push()
There are still a few places that use fifo8_push() instead of esp_fifo_push() in
order to push a value into the FIFO. Update those places to use esp_fifo_push()
instead.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20240324191707.623175-8-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2024-04-04 15:17:53 +01:00
Mark Cave-Ayland 61fa150d12 esp.c: change esp_fifo_pop() to take ESPState
Now that all users of esp_fifo_pop() operate on the main FIFO there is no need
to pass the FIFO explicitly.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20240324191707.623175-7-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2024-04-04 15:17:53 +01:00
Mark Cave-Ayland 0e7dbe29c2 esp.c: change esp_fifo_push() to take ESPState
Now that all users of esp_fifo_push() operate on the main FIFO there is no need
to pass the FIFO explicitly.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20240324191707.623175-6-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2024-04-04 15:17:53 +01:00
Mark Cave-Ayland 1828000b48 esp.c: replace cmdfifo use of esp_fifo_pop() in do_message_phase()
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20240324191707.623175-5-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2024-04-04 15:17:53 +01:00
Mark Cave-Ayland 2260402be1 esp.c: replace esp_fifo_pop_buf() with esp_fifo8_pop_buf() in do_message_phase()
The aim is to restrict the esp_fifo_*() functions so that they only operate on
the hardware FIFO. When reading from cmdfifo in do_message_phase() use the
underlying esp_fifo8_pop_buf() function directly.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240324191707.623175-4-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2024-04-04 15:17:53 +01:00
Mark Cave-Ayland f87d048705 esp.c: replace esp_fifo_pop_buf() with esp_fifo8_pop_buf() in do_command_phase()
The aim is to restrict the esp_fifo_*() functions so that they only operate on
the hardware FIFO. When reading from cmdfifo in do_command_phase() use the
underlying esp_fifo8_pop_buf() function directly.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240324191707.623175-3-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2024-04-04 15:17:53 +01:00
Mark Cave-Ayland d103d0db71 esp.c: move esp_fifo_pop_buf() internals to new esp_fifo8_pop_buf() function
Update esp_fifo_pop_buf() to be a simple wrapper onto the new esp_fifo8_pop_buf()
function.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240324191707.623175-2-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2024-04-04 15:17:53 +01:00
Peter Maydell 786fd793b8 * lsi53c895a: fix assertion failure with invalid Block Move
* vga: fix assertion failure with 4- and 16-color modes
 * remove unnecessary assignment
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* lsi53c895a: fix assertion failure with invalid Block Move
* vga: fix assertion failure with 4- and 16-color modes
* remove unnecessary assignment

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# gpg: Signature made Wed 03 Apr 2024 11:04:42 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  pc_q35: remove unnecessary m->alias assignment
  lsi53c895a: avoid out of bounds access to s->msg[]
  vga: do not treat horiz pel panning value of 8 as "enabled"
  vga: adjust dirty memory region if pel panning is active
  vga: move computation of dirty memory region later
  vga: merge conditionals on shift control register

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-03 12:52:03 +01:00
Peter Maydell e5c6528dce Update version for v9.0.0-rc2 release
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-02 20:59:43 +01:00
Paolo Bonzini 8fc4bdc537 pc_q35: remove unnecessary m->alias assignment
The assignment is already inherited from pc-q35-8.2.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-04-02 18:08:59 +02:00
Paolo Bonzini e497e6a557 lsi53c895a: avoid out of bounds access to s->msg[]
If no bytes are there to process in the message in phase,
the input data latch (s->sidl) is set to s->msg[-1].  Just
do nothing since no DMA is performed.

Reported-by: Chuhong Yuan <hslester96@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-04-02 18:08:59 +02:00
Paolo Bonzini 1d1ee7e0a1 vga: do not treat horiz pel panning value of 8 as "enabled"
Horizontal pel panning bit 3 is only used in text mode.  In graphics
mode, it can be treated as if it was zero, thus not extending the
dirty memory region.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-04-02 18:08:59 +02:00
Paolo Bonzini 3b6d2b1962 vga: adjust dirty memory region if pel panning is active
When pel panning is active, one more byte is read from each of the VGA
memory planes.  This has to be accounted in the computation of region_end,
otherwise vga_draw_graphic() fails an assertion:

qemu-system-i386: ../system/physmem.c:946: cpu_physical_memory_snapshot_get_dirty: Assertion `start + length <= snap->end' failed.

Reported-by: Helge Konetzka <hk@zapateado.de>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2244
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-04-02 18:08:59 +02:00
Paolo Bonzini 3826a372e4 vga: move computation of dirty memory region later
Move the computation of region_start and region_end after the value of
"bits" is known.  This makes it possible to distinguish modes that
support horizontal pel panning from modes that do not.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-04-02 18:08:59 +02:00
Paolo Bonzini 5c00acebb6 vga: merge conditionals on shift control register
There are two sets of conditionals using the shift control bits: one to
verify the palette and adjust disp_width, one to compute the "v" and
"bits" variables.  Merge them into one, with the extra benefit that
we now have the "bits" value available early and can use it to
compute region_end.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-04-02 18:08:59 +02:00
Peter Maydell 5456f2e235 Misc HW patch queue
- MAINTAINERS updates (Zhao, Glenn)
 - Replace incorrect mentions of 'softmmu' by 'system' (Phil)
 - Avoid using inlined functions with external linkage (Phil)
 - Restrict CXL to x86 PC PCI-based machines (Phil)
 - Remove unnecessary NULL check in bdrv_pad_request (Kevin)
 - Fix a pair of -Werror=maybe-uninitialized (Marc-André)
 - Initialize variable in xen_evtchn_soft_reset (Artem)
 - Do not access virtio-net tx queue until vhost is started (Yajun)
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Merge tag 'hw-misc-20240402' of https://github.com/philmd/qemu into staging

Misc HW patch queue

- MAINTAINERS updates (Zhao, Glenn)
- Replace incorrect mentions of 'softmmu' by 'system' (Phil)
- Avoid using inlined functions with external linkage (Phil)
- Restrict CXL to x86 PC PCI-based machines (Phil)
- Remove unnecessary NULL check in bdrv_pad_request (Kevin)
- Fix a pair of -Werror=maybe-uninitialized (Marc-André)
- Initialize variable in xen_evtchn_soft_reset (Artem)
- Do not access virtio-net tx queue until vhost is started (Yajun)

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# gpg: Signature made Tue 02 Apr 2024 15:23:04 BST
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* tag 'hw-misc-20240402' of https://github.com/philmd/qemu:
  hw/net/virtio-net: fix qemu set used ring flag even vhost started
  hw/xen_evtchn: Initialize flush_kvm_routes
  gpio/pca955x: Update maintainer email address
  hw/nvme: fix -Werror=maybe-uninitialized
  plugins: fix -Werror=maybe-uninitialized false-positive
  block: Remove unnecessary NULL check in bdrv_pad_request()
  hw/i386/pc: Restrict CXL to PCI-based machines
  MAINTAINERS: Fix error-report.c entry
  qtest/libqos: Reduce size_to_prdtl() declaration scope
  accel/hvf: Un-inline hvf_arch_supports_guest_debug()
  hw/arm/smmu: Avoid using inlined functions with external linkage again
  target/ppc: Rename init_excp_4xx_softmmu() -> init_excp_4xx()
  gdbstub/system: Rename 'user_ctx' argument as 'ctx'
  gdbstub: Correct invalid mentions of 'softmmu' by 'system'
  accel/tcg/plugin: Remove CONFIG_SOFTMMU_GATE definition

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-02 16:22:58 +01:00
Yajun Wu 4c54f5bc8e hw/net/virtio-net: fix qemu set used ring flag even vhost started
When vhost-user or vhost-kernel is handling virtio net datapath,
QEMU should not touch used ring.

But with vhost-user socket reconnect scenario, in a very rare case
(has pending kick event). VRING_USED_F_NO_NOTIFY is set by QEMU in
following code path:

	#0  virtio_queue_split_set_notification (vq=0x7ff5f4c920a8, enable=0) at ../hw/virtio/virtio.c:511
	#1  0x0000559d6dbf033b in virtio_queue_set_notification (vq=0x7ff5f4c920a8, enable=0) at ../hw/virtio/virtio.c:576
	#2  0x0000559d6dbbbdbc in virtio_net_handle_tx_bh (vdev=0x559d703a6aa0, vq=0x7ff5f4c920a8) at ../hw/net/virtio-net.c:2801
	#3  0x0000559d6dbf4791 in virtio_queue_notify_vq (vq=0x7ff5f4c920a8) at ../hw/virtio/virtio.c:2248
	#4  0x0000559d6dbf79da in virtio_queue_host_notifier_read (n=0x7ff5f4c9211c) at ../hw/virtio/virtio.c:3525
	#5  0x0000559d6d9a5814 in virtio_bus_cleanup_host_notifier (bus=0x559d703a6a20, n=1) at ../hw/virtio/virtio-bus.c:321
	#6  0x0000559d6dbf83c9 in virtio_device_stop_ioeventfd_impl (vdev=0x559d703a6aa0) at ../hw/virtio/virtio.c:3774
	#7  0x0000559d6d9a55c8 in virtio_bus_stop_ioeventfd (bus=0x559d703a6a20) at ../hw/virtio/virtio-bus.c:259
	#8  0x0000559d6d9a53e8 in virtio_bus_grab_ioeventfd (bus=0x559d703a6a20) at ../hw/virtio/virtio-bus.c:199
	#9  0x0000559d6dbf841c in virtio_device_grab_ioeventfd (vdev=0x559d703a6aa0) at ../hw/virtio/virtio.c:3783
	#10 0x0000559d6d9bde18 in vhost_dev_enable_notifiers (hdev=0x559d707edd70, vdev=0x559d703a6aa0) at ../hw/virtio/vhost.c:1592
	#11 0x0000559d6d89a0b8 in vhost_net_start_one (net=0x559d707edd70, dev=0x559d703a6aa0) at ../hw/net/vhost_net.c:266
	#12 0x0000559d6d89a6df in vhost_net_start (dev=0x559d703a6aa0, ncs=0x559d7048d890, data_queue_pairs=31, cvq=0) at ../hw/net/vhost_net.c:412
	#13 0x0000559d6dbb5b89 in virtio_net_vhost_status (n=0x559d703a6aa0, status=15 '\017') at ../hw/net/virtio-net.c:311
	#14 0x0000559d6dbb5e34 in virtio_net_set_status (vdev=0x559d703a6aa0, status=15 '\017') at ../hw/net/virtio-net.c:392
	#15 0x0000559d6dbb60d8 in virtio_net_set_link_status (nc=0x559d7048d890) at ../hw/net/virtio-net.c:455
	#16 0x0000559d6da64863 in qmp_set_link (name=0x559d6f0b83d0 "hostnet1", up=true, errp=0x7ffdd76569f0) at ../net/net.c:1459
	#17 0x0000559d6da7226e in net_vhost_user_event (opaque=0x559d6f0b83d0, event=CHR_EVENT_OPENED) at ../net/vhost-user.c:301
	#18 0x0000559d6ddc7f63 in chr_be_event (s=0x559d6f2ffea0, event=CHR_EVENT_OPENED) at ../chardev/char.c:62
	#19 0x0000559d6ddc7fdc in qemu_chr_be_event (s=0x559d6f2ffea0, event=CHR_EVENT_OPENED) at ../chardev/char.c:82

This issue causes guest kernel stop kicking device and traffic stop.

Add vhost_started check in virtio_net_handle_tx_bh to fix this wrong
VRING_USED_F_NO_NOTIFY set.

Signed-off-by: Yajun Wu <yajunw@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-ID: <20240402045109.97729-1-yajunw@nvidia.com>
[PMD: Use unlikely()]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-04-02 16:15:07 +02:00
Artem Chernyshev 95a3645527 hw/xen_evtchn: Initialize flush_kvm_routes
In xen_evtchn_soft_reset() variable flush_kvm_routes can
be used before being initialized.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: Oleg Sviridov <oleg.sviridov@red-soft.ru>
Signed-off-by: Artem Chernyshev <artem.chernyshev@red-soft.ru>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240329113939.257033-1-artem.chernyshev@red-soft.ru>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-04-02 16:15:07 +02:00
Glenn Miles 0fa5eefa16 gpio/pca955x: Update maintainer email address
It was noticed that my linux.vnet.ibm.com address does not
always work so dropping the vnet to see if that works better.

Signed-off-by: Glenn Miles <milesg@linux.ibm.com>
Message-ID: <20240328194914.2145709-1-milesg@linux.vnet.ibm.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-04-02 16:15:07 +02:00
Marc-André Lureau 8cdb368d19 hw/nvme: fix -Werror=maybe-uninitialized
../hw/nvme/ctrl.c:6081:21: error: ‘result’ may be used uninitialized [-Werror=maybe-uninitialized]

It's not obvious that 'result' is set in all code paths. When &result is
a returned argument, it's even less clear.

Looking at various assignments, 0 seems to be a suitable default value.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
Message-ID: <20240328102052.3499331-18-marcandre.lureau@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-04-02 16:15:07 +02:00
Marc-André Lureau c65288de4d plugins: fix -Werror=maybe-uninitialized false-positive
../plugins/loader.c:405:15: error: ‘ctx’ may be used uninitialized [-Werror=maybe-uninitialized]

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20240328102052.3499331-15-marcandre.lureau@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-04-02 16:15:07 +02:00
Kevin Wolf e193d4bdb8 block: Remove unnecessary NULL check in bdrv_pad_request()
Coverity complains that the check introduced in commit 3f934817 suggests
that qiov could be NULL and we dereference it before reaching the check.
In fact, all of the callers pass a non-NULL pointer, so just remove the
misleading check.

Resolves: Coverity CID 1542668
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Fiona Ebner <f.ebner@proxmox.com>
Message-ID: <20240327192750.204197-1-kwolf@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-04-02 14:55:32 +02:00
Philippe Mathieu-Daudé aab1b3eeb4 hw/i386/pc: Restrict CXL to PCI-based machines
CXL is based on PCIe. In is pointless to initialize
its context on non-PCI machines.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-ID: <20240327161642.33574-1-philmd@linaro.org>
2024-04-02 14:55:32 +02:00
Zhao Liu 3325af5355 MAINTAINERS: Fix error-report.c entry
The commit 15002f60f7 ("util: rename qemu-error.c to match its header
name") renamed util/qemu-error.c to util/error-report.c but missed to
change the corresponding entry.

To avoid get_maintainer.pl failing, update the error-report.c entry.

Fixes: 15002f60f7 ("util: rename qemu-error.c to match its header name")
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240327115539.3860270-1-zhao1.liu@linux.intel.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-04-02 14:55:32 +02:00
Philippe Mathieu-Daudé 4fbb7687cf qtest/libqos: Reduce size_to_prdtl() declaration scope
Since size_to_prdtl() is only used within ahci.c,
declare it statically. This removes the last use
of "inlined function with external linkage". See
previous commit and commit 9de9fa5cf2 for rationale.

Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20240326171009.26696-4-philmd@linaro.org>
2024-04-02 14:55:32 +02:00
Philippe Mathieu-Daudé d6fd5d8346 accel/hvf: Un-inline hvf_arch_supports_guest_debug()
See previous commit and commit 9de9fa5cf2 ("Avoid using inlined
functions with external linkage") for rationale.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240313184954.42513-3-philmd@linaro.org>
2024-04-02 14:55:32 +02:00
Philippe Mathieu-Daudé 0b796f3810 hw/arm/smmu: Avoid using inlined functions with external linkage again
Similarly to commit 9de9fa5cf2 ("hw/arm/smmu-common: Avoid using
inlined functions with external linkage"):

  None of our code base require / use inlined functions with external
  linkage. Some places use internal inlining in the hot path. These
  two functions are certainly not in any hot path and don't justify
  any inlining, so these are likely oversights rather than intentional.

Fix:

  C compiler for the host machine: clang (clang 15.0.0 "Apple clang version 15.0.0 (clang-1500.3.9.4)")
  ...
  hw/arm/smmu-common.c:203:43: error: static function 'smmu_hash_remove_by_vmid' is
  used in an inline function with external linkage [-Werror,-Wstatic-in-inline]
      g_hash_table_foreach_remove(s->iotlb, smmu_hash_remove_by_vmid, &vmid);
                                            ^
  include/hw/arm/smmu-common.h:197:1: note: use 'static' to give inline function 'smmu_iotlb_inv_vmid' internal linkage
  void smmu_iotlb_inv_vmid(SMMUState *s, uint16_t vmid);
  ^
  static
  hw/arm/smmu-common.c:139:17: note: 'smmu_hash_remove_by_vmid' declared here
  static gboolean smmu_hash_remove_by_vmid(gpointer key, gpointer value,
                ^

Fixes: ccc3ee3871 ("hw/arm/smmuv3: Add CMDs related to stage-2")
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20240313184954.42513-2-philmd@linaro.org>
2024-04-02 14:55:32 +02:00
Philippe Mathieu-Daudé 870120b467 target/ppc: Rename init_excp_4xx_softmmu() -> init_excp_4xx()
Unify with other init_excp_FOO() in the same file.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20240313213339.82071-5-philmd@linaro.org>
2024-04-02 14:55:15 +02:00
Philippe Mathieu-Daudé 0eaf7fb9a8 gdbstub/system: Rename 'user_ctx' argument as 'ctx'
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240313213339.82071-4-philmd@linaro.org>
2024-04-02 14:55:07 +02:00
Philippe Mathieu-Daudé 25f34eb708 gdbstub: Correct invalid mentions of 'softmmu' by 'system'
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240313213339.82071-3-philmd@linaro.org>
2024-04-02 14:54:58 +02:00
Philippe Mathieu-Daudé 93019696aa accel/tcg/plugin: Remove CONFIG_SOFTMMU_GATE definition
The CONFIG_SOFTMMU_GATE definition was never used, remove it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240313213339.82071-2-philmd@linaro.org>
2024-04-02 14:54:35 +02:00
Peter Maydell 2fd8df9362 trivial patches for 2024-04-02
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Merge tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu into staging

trivial patches for 2024-04-02

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# gpg:                using RSA key 7B73BAD68BE7A2C289314B22701B4F6B1A693E59
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# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>" [full]
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* tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu:
  hmp: Add help information for watchdog action: inject-nmi
  Fix some typos in documentation (found by codespell)
  fpu/softfloat: Remove mention of TILE-Gx target
  usb-audio: Fix invalid values in AudioControl descriptors

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-02 12:58:22 +01:00
Dayu Liu 7805132bc3 hmp: Add help information for watchdog action: inject-nmi
virsh qemu-monitor-command --hmp help information of
watchdog_action missing inject-nmi which already supported
in Commit 795dc6e4

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2247
Signed-off-by: Dayu Liu <liu.dayu@zte.com.cn>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
[Mjt: decode and word-wrap commit message and add Resolves: tag]
2024-04-02 13:38:51 +03:00
Stefan Weil f6822fee96 Fix some typos in documentation (found by codespell)
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-04-02 13:38:40 +03:00
Peter Maydell 7fcf7575f3 target-arm queue:
* take HSTR traps of cp15 accesses to EL2, not EL1
  * docs: sbsa: update specs, add dt note
  * hw/intc/arm_gicv3: ICC_HPPIR* return SPURIOUS if int group is disabled
  * tests/qtest: Fix STM32L4x5 GPIO test on 32-bit
  * raspi4b: Reduce RAM to 1Gb on 32-bit hosts
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Merge tag 'pull-target-arm-20240402' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * take HSTR traps of cp15 accesses to EL2, not EL1
 * docs: sbsa: update specs, add dt note
 * hw/intc/arm_gicv3: ICC_HPPIR* return SPURIOUS if int group is disabled
 * tests/qtest: Fix STM32L4x5 GPIO test on 32-bit
 * raspi4b: Reduce RAM to 1Gb on 32-bit hosts

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# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# gpg:                 aka "Peter Maydell <peter@archaic.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* tag 'pull-target-arm-20240402' of https://git.linaro.org/people/pmaydell/qemu-arm:
  raspi4b: Reduce RAM to 1Gb on 32-bit hosts
  tests/qtest: Fix STM32L4x5 GPIO test on 32-bit
  hw/intc/arm_gicv3: ICC_HPPIR* return SPURIOUS if int group is disabled
  docs: sbsa: update specs, add dt note
  target/arm: take HSTR traps of cp15 accesses to EL2, not EL1

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-02 11:34:49 +01:00
Cédric Le Goater 393770d7a0 raspi4b: Reduce RAM to 1Gb on 32-bit hosts
Change the board revision number and RAM size to 1Gb on 32-bit hosts.
On these systems, RAM has a 2047 MB limit and this breaks the tests.

Fixes: 7785e8ea22 ("hw/arm: Introduce Raspberry PI 4 machine")
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Message-id: 20240329150155.357043-1-clg@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-02 10:13:48 +01:00
Cédric Le Goater 27c335a464 tests/qtest: Fix STM32L4x5 GPIO test on 32-bit
The test mangles the GPIO address and the pin number in the
qtest_add_data_func data parameter. Doing so, it assumes that the host
pointer size is always 64-bit, which breaks on 32-bit :

../tests/qtest/stm32l4x5_gpio-test.c: In function ‘test_gpio_output_mode’:
../tests/qtest/stm32l4x5_gpio-test.c:272:25: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast]
  272 |     unsigned int pin = ((uint64_t)data) & 0xF;
      |                         ^
../tests/qtest/stm32l4x5_gpio-test.c:273:22: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast]
  273 |     uint32_t gpio = ((uint64_t)data) >> 32;
      |                      ^

To fix, improve the mangling of the GPIO address and pin number fields
by using GPIO_SIZE so that the resulting value fits in a 32-bit pointer.
While at it, include some helpers to hide the details.

Cc: Arnaud Minier <arnaud.minier@telecom-paris.fr>
Cc: Inès Varhol <ines.varhol@telecom-paris.fr>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Message-id: 20240329092747.298259-1-clg@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-02 10:05:35 +01:00
Peter Maydell 44e25fbc19 hw/intc/arm_gicv3: ICC_HPPIR* return SPURIOUS if int group is disabled
If the group of the highest priority pending interrupt is disabled
via ICC_IGRPEN*, the ICC_HPPIR* registers should return
INTID_SPURIOUS, not the interrupt ID.  (See the GIC architecture
specification pseudocode functions ICC_HPPIR1_EL1[] and
HighestPriorityPendingInterrupt().)

Make HPPIR reads honour the group disable, the way we already do
when determining whether to preempt in icc_hppi_can_preempt().

Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240328153333.2522667-1-peter.maydell@linaro.org
2024-04-02 10:02:44 +01:00
Marcin Juszkiewicz aaaae12055 docs: sbsa: update specs, add dt note
Hardware of sbsa-ref board is nowadays defined by both BSA and SBSA
specifications. Then BBR defines firmware interface.

Added note about DeviceTree data passed from QEMU to firmware. It is
very minimal and provides only data we use in firmware.

Added NUMA information to list of things reported by DeviceTree.

Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Message-id: 20240328163851.1386176-1-marcin.juszkiewicz@linaro.org
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-02 09:54:41 +01:00
Peter Maydell fbe5ac5671 target/arm: take HSTR traps of cp15 accesses to EL2, not EL1
The HSTR_EL2 register allows the hypervisor to trap AArch32 EL1 and
EL0 accesses to cp15 registers.  We incorrectly implemented this so
they trap to EL1 when we detect the need for a HSTR trap at code
generation time.  (The check in access_check_cp_reg() which we do at
runtime to catch traps from EL0 is correctly routing them to EL2.)

Use the correct target EL when generating the code to take the trap.

Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2226
Fixes: 049edada5e ("target/arm: Make HSTR_EL2 traps take priority over UNDEF-at-EL1")
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240325133116.2075362-1-peter.maydell@linaro.org
2024-04-02 09:54:41 +01:00
Philippe Mathieu-Daudé 9988c7b50e fpu/softfloat: Remove mention of TILE-Gx target
TILE-Gx has been removed during the v6.0 release (see
commit 2cc1a90166 "Remove deprecated target tilegx"),
no need to mention it in the list of "supported targets".

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-04-01 19:47:40 +03:00
Joonas Kankaala 8e0cd23f71 usb-audio: Fix invalid values in AudioControl descriptors
This fixes the invalid bInterfaceProtocol value 0x04 in the USB audio
AudioControl descriptors. It should be zero. While Linux and Windows
forgive this error, macOS 14 Sonoma does not. The usb-audio device does
not appear in macOS sound settings even though the device is recognized
and shows up in USB system information. According to the USB audio class
specs 1.0-4.0, valid values are 0x00, 0x20, 0x30 and 0x40. (Note also
that Linux prints the warning "unknown interface protocol 0x4, assuming
v1", but then proceeds as if the value was zero.)

This also fixes the invalid wTotalLength value in the multi-channel
setup AudioControl interface header descriptor (used when multi=on
and out.mixing-engine off). The combined length of all the descriptors
there add up to 0x37, not 0x38. In Linux, "lsusb -D ..." displays
incomplete descriptor information when this length is incorrect.

Signed-off-by: Joonas Kankaala <joonas.a.kankaala@gmail.com>
Reviewed-by: Volker Rümelin <vr_qemu@t-online.de>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-04-01 19:47:40 +03:00
Peter Maydell 6af9d12c88 Migration pull for 9.0-rc2
- Avihai's two fixes on error paths
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Merge tag 'migration-20240331-pull-request' of https://gitlab.com/peterx/qemu into staging

Migration pull for 9.0-rc2

- Avihai's two fixes on error paths

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* tag 'migration-20240331-pull-request' of https://gitlab.com/peterx/qemu:
  migration/postcopy: Ensure postcopy_start() sets errp if it fails
  migration: Set migration error in migration_completion()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-01 13:12:40 +01:00
Michael Tokarev 1d2f2b35bc gitlab-ci/cirrus: switch from 'master' to 'latest'
Commit ab72522797 "gitlab: switch from 'stable' to
'latest' docker container tags" switched most tags
to 'latest' but missed cirrus image.  Fix this now.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2256
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-id: 20240401051633.2780456-1-mjt@tls.msk.ru
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-01 13:12:26 +01:00