Replace qemu_bh_new_guarded() by virtio_bh_new_guarded()
so the bus and device use the same guard. Otherwise the
DMA-reentrancy protection can be bypassed.
Fixes: CVE-2024-3446
Cc: qemu-stable@nongnu.org
Suggested-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20240409105537.18308-5-philmd@linaro.org>
Replace qemu_bh_new_guarded() by virtio_bh_new_guarded()
so the bus and device use the same guard. Otherwise the
DMA-reentrancy protection can be bypassed.
Fixes: CVE-2024-3446
Cc: qemu-stable@nongnu.org
Suggested-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20240409105537.18308-4-philmd@linaro.org>
Introduce virtio_bh_new_guarded(), similar to qemu_bh_new_guarded()
but using the transport memory guard, instead of the device one
(there can only be one virtio device per virtio bus).
Inspired-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20240409105537.18308-2-philmd@linaro.org>
Passing the tswapped structure to strace means that
our internal si_type is also gone, which then aborts
in print_siginfo.
Fixes: 4d6d8a05a0 ("linux-user: Move tswap_siginfo out of target code")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
We already attempted to set and clear can_do_io before the first
and last insns, but only used the initial value of max_insns and
the call to translator_io_start to find those insns.
Now that we track insn_start in DisasContextBase, and now that
we have emit_before_op, we can wait until we have finished
translation to identify the true first and last insns and emit
the sets of can_do_io at that time.
This fixes the case of a translation block which crossed a page
boundary, and for which the second page turned out to be mmio.
In this case we truncate the block, and the previous logic for
can_do_io could leave a block with a single insn with can_do_io
set to false, which would fail an assertion in cpu_io_recompile.
Reported-by: Jørgen Hansen <Jorgen.Hansen@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Jørgen Hansen <Jorgen.Hansen@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
To keep the multiple update check, replace insn_start
with insn_start_updated.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
When aborting translation of the current insn, restore the
previous value of insn_start.
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Jørgen Hansen <Jorgen.Hansen@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
To keep the multiple update check, replace insn_start
with insn_start_updated.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
To keep the multiple update check, replace insn_start
with insn_start_updated.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This is currently target-specific for many; begin making it
target independent.
Tested-by: Jørgen Hansen <Jorgen.Hansen@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Allow operations to be emitted via normal expanders
into the middle of the opcode stream.
Tested-by: Jørgen Hansen <Jorgen.Hansen@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Add helpers for reading/writing the 68881 FPSR register so that
changes in floating point exception state can be seen by the
application.
Call these helpers in pre_load/post_load hooks to synchronize
exception state.
Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230803035231.429697-1-keithp@keithp.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
CHECK_NOT_DELAY_SLOT is correctly applied to the branch-related
instructions, but not to the PC-relative mov* instructions.
I verified the existence of an illegal slot exception on a SH7091 when
any of these instructions are attempted inside a delay slot.
This also matches the behavior described in the SH-4 ISA manual.
Signed-off-by: Zack Buhman <zack@buhman.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240407150705.5965-1-zack@buhman.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewd-by: Yoshinori Sato <ysato@users.sourceforge.jp>
The saturation arithmetic logic in helper_macw is not correct.
I tested and verified this behavior on a SH7091.
Reviewd-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Zack Buhman <zack@buhman.org>
Message-Id: <20240405233802.29128-3-zack@buhman.org>
[rth: Reformat helper_macw, add a test case.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
The saturation arithmetic logic in helper_macl is not correct.
I tested and verified this behavior on a SH7091.
Signed-off-by: Zack Buhman <zack@buhman.org>
Message-Id: <20240404162641.27528-2-zack@buhman.org>
[rth: Reformat helper_macl, add a test case.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Allow host access to the entire 64-bit accumulator.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The contents of IIAOQ depend on PSW_W.
Follow the text in "Interruption Instruction Address Queues",
pages 2-13 through 2-15.
Tested-by: Sven Schnelle <svens@stackframe.org>
Tested-by: Helge Deller <deller@gmx.de>
Reported-by: Sven Schnelle <svens@stackframe.org>
Fixes: b10700d826 ("target/hppa: Update IIAOQ, IIASQ for pa2.0")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Use glib allocation as recommended by the coding convention
Signed-off-by: Nguyen Dinh Phi <phind.uet@gmail.com>
Message-Id: <20240317171747.1642207-1-phind.uet@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The copy back to siginfo_t should be conditional only on arg3,
not the specific values that might have been written.
The copy back to rusage was missing entirely.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2262
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Alex Fan <alex.fan.q@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Split out the tail of fold_neg to fold_neg_no_const so that we
can avoid attempting to constant fold vector negate.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2150
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Bring a bit more consistency into the naming.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-ID: <20240327102448.61877-4-kraxel@redhat.com>
Turned out hard-coding version and date in the Makefile wasn't a bright
idea. Updating it on edk2 updates is easily forgotten. Fetch the info
from git instead. Store in edk2-version, so this can be committed to
the repo and is present in tarballs too.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-ID: <20240327102448.61877-2-kraxel@redhat.com>
This "hotpluggable" here is misleading. Actually we check is object a
device or not. Let's drop the word.
Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20240329183758.3360733-3-vsementsov@yandex-team.ru>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Let's not care about what was changed and update the whole config,
reasons:
1. config->geometry should be updated together with capacity, so we fix
a bug.
2. Vhost-user protocol doesn't say anything about config change
limitation. Silent ignore of changes doesn't seem to be correct.
3. vhost-user-vsock reads the whole config
4. on realize we don't do any checks on retrieved config, so no reason
to care here
Comment "valid for resize only" exists since introduction the whole
hw/block/vhost-user-blk.c in commit
00343e4b54
"vhost-user-blk: introduce a new vhost-user-blk host device",
seems it was just an extra limitation.
Also, let's notify guest unconditionally:
1. So does vhost-user-vsock
2. We are going to reuse the functionality in new cases when we do want
to notify the guest unconditionally. So, no reason to create extra
branches in the logic.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Acked-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Message-Id: <20240329183758.3360733-2-vsementsov@yandex-team.ru>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The set_config callback function vhost_vdpa_device_get_config in
vdpa-dev does not fetch the current device status from the hardware
device, causing the guest os to not receive the latest device status
information.
The hardware updates the config status of the vdpa device and then
notifies the os. The guest os receives an interrupt notification,
triggering a get_config access in the kernel, which then enters qemu
internally. Ultimately, the vhost_vdpa_device_get_config function of
vdpa-dev is called
One scenario encountered is when the device needs to bring down the
vdpa net device. After modifying the status field of virtio_net_config
in the hardware, it sends an interrupt notification. However, the guest
os always receives the STATUS field as VIRTIO_NET_S_LINK_UP.
Signed-off-by: Yuxue Liu <yuxue.liu@jaguarmicro.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20240408020003.1979-1-yuxue.liu@jaguarmicro.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
In the event of writing many chains of descriptors, the device must
write just the id of the last buffer in the descriptor chain, skip
forward the number of descriptors in the chain, and then repeat the
operations for the rest of chains.
Current QEMU code writes all the buffer ids consecutively, and then
skips all the buffers altogether. This is a bug, and can be reproduced
with a VirtIONet device with _F_MRG_RXBUB and without
_F_INDIRECT_DESC:
If a virtio-net device has the VIRTIO_NET_F_MRG_RXBUF feature
but not the VIRTIO_RING_F_INDIRECT_DESC feature,
'VirtIONetQueue->rx_vq' will use the merge feature
to store data in multiple 'elems'.
The 'num_buffers' in the virtio header indicates how many elements are merged.
If the value of 'num_buffers' is greater than 1,
all the merged elements will be filled into the descriptor ring.
The 'idx' of the elements should be the value of 'vq->used_idx' plus 'ndescs'.
Fixes: 86044b24e8 ("virtio: basic packed virtqueue support")
Acked-by: Eugenio Pérez <eperezma@redhat.com>
Signed-off-by: Wafer <wafer@jaguarmicro.com>
Message-Id: <20240407015451.5228-2-wafer@jaguarmicro.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The current handling of invalid virtqueue elements inside the TX/RX virt
queue handlers is wrong.
They are added in a per-stream invalid queue to be processed after the
handler is done examining each message, but the invalid message might
not be specifying any stream_id; which means it's invalid to add it to
any stream->invalid queue since stream could be NULL at this point.
This commit moves the invalid queue to the VirtIOSound struct which
guarantees there will always be a valid temporary place to store them
inside the tx/rx handlers. The queue will be emptied before the handler
returns, so the queue must be empty at any other point of the device's
lifetime.
Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Message-Id: <virtio-snd-rewrite-invalid-tx-rx-message-handling-v1.manos.pitsidianakis@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This patch improves error handling in virtio_snd_handle_tx_xfer()
and virtio_snd_handle_rx_xfer() in the VirtIO sound driver. Previously,
'goto' statements were used for error paths, leading to unnecessary
processing and potential null pointer dereferences. Now, 'continue' is
used to skip the rest of the current loop iteration for errors such as
message size discrepancies or null streams, reducing crash risks.
ASAN log illustrating the issue addressed:
ERROR: AddressSanitizer: SEGV on unknown address 0x0000000000b4
#0 0x57cea39967b8 in qemu_mutex_lock_impl qemu/util/qemu-thread-posix.c:92:5
#1 0x57cea128c462 in qemu_mutex_lock qemu/include/qemu/thread.h:122:5
#2 0x57cea128d72f in qemu_lockable_lock qemu/include/qemu/lockable.h:95:5
#3 0x57cea128c294 in qemu_lockable_auto_lock qemu/include/qemu/lockable.h:105:5
#4 0x57cea1285eb2 in virtio_snd_handle_rx_xfer qemu/hw/audio/virtio-snd.c:1026:9
#5 0x57cea2caebbc in virtio_queue_notify_vq qemu/hw/virtio/virtio.c:2268:9
#6 0x57cea2cae412 in virtio_queue_host_notifier_read qemu/hw/virtio/virtio.c:3671:9
#7 0x57cea39822f1 in aio_dispatch_handler qemu/util/aio-posix.c:372:9
#8 0x57cea3979385 in aio_dispatch_handlers qemu/util/aio-posix.c:414:20
#9 0x57cea3978eb1 in aio_dispatch qemu/util/aio-posix.c:424:5
#10 0x57cea3a1eede in aio_ctx_dispatch qemu/util/async.c:360:5
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Message-Id: <20240322110827.568412-1-zheyuma97@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This reverts commit cd341fd1ff.
The patch adds non-upstream code in
include/standard-headers/linux/virtio_pci.h
which would make maintainance harder.
Revert for now.
Suggested-by: Jason Wang <jasowang@redhat.com>
Message-Id: <df6b6b465753e754a19459e8cd61416548f89a42.1712569644.git.mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
subj is calling kvm_add_routing_entry() which simply extends
KVMState::irq_routes::entries[]
but doesn't check if number of routes goes beyond limit the kernel
is willing to accept. Which later leads toi the assert
qemu-kvm: ../accel/kvm/kvm-all.c:1833: kvm_irqchip_commit_routes: Assertion `ret == 0' failed
typically it happens during guest boot for large enough guest
Reproduced with:
./qemu --enable-kvm -m 8G -smp 64 -machine pc \
`for b in {1..2}; do echo -n "-device pci-bridge,id=pci$b,chassis_nr=$b ";
for i in {0..31}; do touch /tmp/vblk$b$i;
echo -n "-drive file=/tmp/vblk$b$i,if=none,id=drive$b$i,format=raw
-device virtio-blk-pci,drive=drive$b$i,bus=pci$b ";
done; done`
While crash at boot time is bad, the same might happen at hotplug time
which is unacceptable.
So instead calling kvm_add_routing_entry() unconditionally, check first
that number of routes won't exceed KVM_CAP_IRQ_ROUTING. This way virtio
device insteads killin qemu, will gracefully fail to initialize device
as expected with following warnings on console:
virtio-blk failed to set guest notifier (-28), ensure -accel kvm is set.
virtio_bus_start_ioeventfd: failed. Fallback to userspace (slower).
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-ID: <20240408110956.451558-1-imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
GCC 14 shows -Wshadow=local warnings if an enum conflicts with a local
variable (including a parameter). To avoid this, move the problematic
enum and all of its dependencies after the hundreds of functions that
have a parameter named "instruction".
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
- Wei/Lei's fix on a rare postcopy race that can hang the channel (since 8.0)
- Avihai's fix on maintainers file, points to the right doc links
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Merge tag 'migration-20240407-pull-request' of https://gitlab.com/peterx/qemu into staging
Migration pull for 9.0-rc3
- Wei/Lei's fix on a rare postcopy race that can hang the channel (since 8.0)
- Avihai's fix on maintainers file, points to the right doc links
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# gpg: Signature made Sun 07 Apr 2024 19:42:44 BST
# gpg: using EDDSA key B9184DC20CC457DACF7DD1A93B5FCCCDF3ABD706
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# gpg: Good signature from "Peter Xu <xzpeter@gmail.com>" [marginal]
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* tag 'migration-20240407-pull-request' of https://gitlab.com/peterx/qemu:
MAINTAINERS: Adjust migration documentation files
migration/postcopy: ensure preempt channel is ready before loading states
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
When we do an AT address translation operation, the page table walk
is supposed to be performed in the context of the EL we're doing the
walk for, so for instance an AT S1E2R walk is done for EL2. In the
pseudocode an EL is passed to AArch64.AT(), which calls
SecurityStateAtEL() to find the security state that we should be
doing the walk with.
In ats_write64() we get this wrong, instead using the current
security space always. This is fine for AT operations performed from
EL1 and EL2, because there the current security state and the
security state for the lower EL are the same. But for AT operations
performed from EL3, the current security state is always either
Secure or Root, whereas we want to use the security state defined by
SCR_EL3.{NS,NSE} for the walk. This affects not just guests using
FEAT_RME but also ones where EL3 is Secure state and the EL3 code
is trying to do an AT for a NonSecure EL2 or EL1.
Use arm_security_space_below_el3() to get the SecuritySpace to
pass to do_ats_write() for all AT operations except the
AT S1E3* operations.
Cc: qemu-stable@nongnu.org
Fixes: e1ee56ec23 ("target/arm: Pass security space rather than flag for AT instructions")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2250
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240405180232.3570066-1-peter.maydell@linaro.org
Qemu wraps its call to ninja in a Makefile. Since ninja, as opposed to
make, utilizes all CPU cores by default, the qemu Makefile translates
the absense of a `-jN` argument into `-j1`. This breaks jobserver
functionality, so update the -jN mangling to take the --jobserver-auth
argument into considerationa too.
Signed-off-by: Martin Hundebøll <martin@geanix.com>
Message-Id: <20240402081738.1051560-1-martin@geanix.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Before loading the guest states, ensure that the preempt channel has been
ready to use, as some of the states (e.g. via virtio_load) might trigger
page faults that will be handled through the preempt channel. So yield to
the main thread in the case that the channel create event hasn't been
dispatched.
Cc: qemu-stable <qemu-stable@nongnu.org>
Fixes: 9358982744 ("migration: Send requested page directly in rp-return thread")
Originally-by: Lei Wang <lei4.wang@intel.com>
Link: https://lore.kernel.org/all/9aa5d1be-7801-40dd-83fd-f7e041ced249@intel.com/T/
Signed-off-by: Lei Wang <lei4.wang@intel.com>
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
Link: https://lore.kernel.org/r/20240405034056.23933-1-wei.w.wang@intel.com
[peterx: add a todo section, add Fixes and copy stable for 8.0+]
Signed-off-by: Peter Xu <peterx@redhat.com>
EL2 accesses to CNTPOFF_EL2 should only ever trap to EL3 if EL3 is
present, as described by the reference manual (for MRS):
/* ... */
elsif PSTATE.EL == EL2 then
if Halted() && HaveEL(EL3) && /*...*/ then
UNDEFINED;
elsif HaveEL(EL3) && SCR_EL3.ECVEn == '0' then
/* ... */
else
X[t, 64] = CNTPOFF_EL2;
However, the existing implementation of gt_cntpoff_access() always
returns CP_ACCESS_TRAP_EL3 for EL2 accesses with SCR_EL3.ECVEn unset. In
pseudo-code terminology, this corresponds to assuming that HaveEL(EL3)
is always true, which is wrong. As a result, QEMU panics in
access_check_cp_reg() when started without EL3 and running EL2 code
accessing the register (e.g. any recent KVM booting a guest).
Therefore, add the HaveEL(EL3) check to gt_cntpoff_access().
Fixes: 2808d3b38a ("target/arm: Implement FEAT_ECV CNTPOFF_EL2 handling")
Signed-off-by: Pierre-Clément Tosi <ptosi@google.com>
Message-id: m3al6amhdkmsiy2f62w72ufth6dzn45xg5cz6xljceyibphnf4@ezmmpwk4tnhl
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge tag 'qemu-sparc-20240404' of https://github.com/mcayland/qemu into staging
qemu-sparc queue
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# gpg: Signature made Thu 04 Apr 2024 15:19:29 BST
# gpg: using RSA key CC621AB98E82200D915CC9C45BC2C56FAE0F321F
# gpg: issuer "mark.cave-ayland@ilande.co.uk"
# gpg: Good signature from "Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>" [full]
# Primary key fingerprint: CC62 1AB9 8E82 200D 915C C9C4 5BC2 C56F AE0F 321F
* tag 'qemu-sparc-20240404' of https://github.com/mcayland/qemu:
esp.c: remove explicit setting of DRQ within ESP state machine
esp.c: ensure esp_pdma_write() always calls esp_fifo_push()
esp.c: update esp_fifo_{push, pop}() to call esp_update_drq()
esp.c: introduce esp_update_drq() and update esp_fifo_{push, pop}_buf() to use it
esp.c: move esp_set_phase() and esp_get_phase() towards the beginning of the file
esp.c: prevent cmdfifo overflow in esp_cdb_ready()
esp.c: rework esp_cdb_length() into esp_cdb_ready()
esp.c: don't assert() if FIFO empty when executing non-DMA SELATNS
esp.c: introduce esp_fifo_push_buf() function for pushing to the FIFO
esp.c: change esp_fifo_pop_buf() to take ESPState
esp.c: use esp_fifo_push() instead of fifo8_push()
esp.c: change esp_fifo_pop() to take ESPState
esp.c: change esp_fifo_push() to take ESPState
esp.c: replace cmdfifo use of esp_fifo_pop() in do_message_phase()
esp.c: replace esp_fifo_pop_buf() with esp_fifo8_pop_buf() in do_message_phase()
esp.c: replace esp_fifo_pop_buf() with esp_fifo8_pop_buf() in do_command_phase()
esp.c: move esp_fifo_pop_buf() internals to new esp_fifo8_pop_buf() function
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
