Eduardo Habkost [Fri, 6 Aug 2021 02:31:19 +0000 (22:31 -0400)]
sbsa-ref: Rename SBSA_GWDT enum value
The SBSA_GWDT enum value conflicts with the SBSA_GWDT() QOM type
checking helper, preventing us from using a OBJECT_DEFINE* or
DEFINE_INSTANCE_CHECKER macro for the SBSA_GWDT() wrapper.
If I understand the SBSA 6.0 specification correctly, the signal
being connected to IRQ 16 is the WS0 output signal from the
Generic Watchdog. Rename the enum value to SBSA_GWDT_WS0 to be
more explicit and avoid the name conflict.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-id: 20210806023119.431680-1-ehabkost@redhat.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Jan Luebbe [Fri, 6 Aug 2021 14:47:00 +0000 (16:47 +0200)]
hw/char/pl011: add support for sending break
Break events are currently only handled by chardev/char-serial.c, so we
just ignore errors, which results in no behaviour change for other
chardevs.
Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
Message-id: 20210806144700.3751979-1-jlu@pengutronix.de Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Hamza Mahfooz [Tue, 27 Jul 2021 23:52:01 +0000 (19:52 -0400)]
target/arm: kvm: use RCU_READ_LOCK_GUARD() in kvm_arch_fixup_msi_route()
As per commit 5626f8c6d468 ("rcu: Add automatically released rcu_read_lock
variants"), RCU_READ_LOCK_GUARD() should be used instead of
rcu_read_{un}lock().
Signed-off-by: Hamza Mahfooz <someguy@effective-light.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20210727235201.11491-1-someguy@effective-light.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Fri, 30 Jul 2021 15:16:36 +0000 (16:16 +0100)]
target/arm: Implement M-profile trapping on division by zero
Unlike A-profile, for M-profile the UDIV and SDIV insns can be
configured to raise an exception on division by zero, using the CCR
DIV_0_TRP bit.
Implement support for setting this bit by making the helper functions
raise the appropriate exception.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210730151636.17254-3-peter.maydell@linaro.org
Peter Maydell [Fri, 30 Jul 2021 15:16:35 +0000 (16:16 +0100)]
target/arm: Re-indent sdiv and udiv helpers
We're about to make a code change to the sdiv and udiv helper
functions, so first fix their indentation and coding style.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210730151636.17254-2-peter.maydell@linaro.org
Implement the MVE interleaving load/store functions VLD2, VLD4, VST2
and VST4. VLD2 loads 16 bytes of data from memory and writes to 2
consecutive Qregs; VLD4 loads 16 bytes of data from memory and writes
to 4 consecutive Qregs. The 'pattern' field in the encoding
determines the offset into memory which is accessed and also which
elements in the Qregs are written to. (The intention is that a
sequence of four consecutive VLD4 with different pattern values
performs a complete de-interleaving load of 64 bytes into all
elements of the 4 Qregs.) VST2 and VST4 do the same, but for stores.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:57 +0000 (17:11 +0100)]
target/arm: Implement MVE scatter-gather immediate forms
Implement the MVE VLDR/VSTR insns which do scatter-gather using base
addresses from Qm plus or minus an immediate offset (possibly with
writeback). Note that writeback is not predicated but it does have
to honour ECI state, so we have to add an eci_mask check to the
VSTR_SG macros (the VLDR_SG macros already needed this to be able
to distinguish "skip beat" from "set predicated element to 0").
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:56 +0000 (17:11 +0100)]
target/arm: Implement MVE scatter-gather insns
Implement the MVE gather-loads and scatter-stores which
form the address by adding a base value from a scalar
register to an offset in each element of a vector.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:56 +0000 (17:11 +0100)]
target/arm: Implement MVE VCTP
Implement the MVE VCTP insn, which sets the VPR.P0 predicate bits so
as to predicate any element at index Rn or greater is predicated. As
with VPNOT, this insn itself is predicable and subject to beatwise
execution.
The calculation of the mask is the same as is used to determine
ltpmask in mve_element_mask(), but we precalculate masklen in
generated code to avoid having to have 4 helpers specialized by size.
We put the decode line in with the low-overhead-loop insns in
t32.decode because it's logically part of that collection of insn
patterns, even though it is an MVE only insn.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:55 +0000 (17:11 +0100)]
target/arm: Implement MVE VMAXA, VMINA
Implement the MVE VMAXA and VMINA insns, which take the absolute
value of the signed elements in the input vector and then accumulate
the unsigned max or min into the destination vector.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Implement the MVE saturating doubling multiply accumulate insns
VQDMLAH, VQRDMLAH, VQDMLASH and VQRDMLASH. These perform a multiply,
double, add the accumulator shifted by the element size, possibly
round, saturate to twice the element size, then take the high half of
the result. The *MLAH insns do vector * scalar + vector, and the
*MLASH insns do vector * vector + scalar.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:54 +0000 (17:11 +0100)]
target/arm: Implement MVE VMLADAV and VMLSLDAV
Implement the MVE VMLADAV and VMLSLDAV insns. Like the VMLALDAV and
VMLSLDAV insns already implemented, these accumulate multiplied
vector elements; but they accumulate a 32-bit result rather than a
64-bit one.
Note that these encodings overlap with what would be RdaHi=0b111 for
VMLALDAV, VMLSLDAV, VRMLALDAVH and VRMLSLDAVH.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:53 +0000 (17:11 +0100)]
target/arm: Rename MVEGenDualAccOpFn to MVEGenLongDualAccOpFn
The MVEGenDualAccOpFn is a bit misnamed, since it is used for
the "long dual accumulate" operations that use a 64-bit
accumulator. Rename it to MVEGenLongDualAccOpFn so we can
use the former name for the 32-bit accumulator insns.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:53 +0000 (17:11 +0100)]
target/arm: Implement MVE narrowing moves
Implement the MVE narrowing move insns VMOVN, VQMOVN and VQMOVUN.
These take a double-width input, narrow it (possibly saturating) and
store the result to either the top or bottom half of the output
element.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:53 +0000 (17:11 +0100)]
target/arm: Implement MVE VABAV
Implement the MVE VABAV insn, which computes absolute differences
between elements of two vectors and accumulates the result into
a general purpose register.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:52 +0000 (17:11 +0100)]
target/arm: Implement MVE integer min/max across vector
Implement the MVE integer min/max across vector insns
VMAXV, VMINV, VMAXAV and VMINAV, which find the maximum
from the vector elements and a general purpose register,
and store the maximum back into the general purpose
register.
These insns overlap with VRMLALDAVH (they use what would
be RdaHi=0b110).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:52 +0000 (17:11 +0100)]
target/arm: Move 'x' and 'a' bit definitions into vmlaldav formats
All the users of the vmlaldav formats have an 'x bit in bit 12 and an
'a' bit in bit 5; move these to the format rather than specifying them
in each insn pattern.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:52 +0000 (17:11 +0100)]
target/arm: Implement MVE shift-by-scalar
Implement the MVE instructions which perform shifts by a scalar.
These are VSHL T2, VRSHL T2, VQSHL T1 and VQRSHL T2. They take the
shift amount in a general purpose register and shift every element in
the vector by that amount.
Mostly we can reuse the helper functions for shift-by-immediate; we
do need two new helpers for VQRSHL.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:51 +0000 (17:11 +0100)]
target/arm: Implement MVE VPSEL
Implement the MVE VPSEL insn, which sets each byte of the destination
vector Qd to the byte from either Qn or Qm depending on the value of
the corresponding bit in VPR.P0.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Implement the MVE integer vector comparison instructions that compare
each element against a scalar from a general purpose register. These
are "VCMP (vector)" encodings T4, T5 and T6 and "VPT (vector)"
encodings T4, T5 and T6.
We have to move the decodetree pattern for VPST, because it
overlaps with VCMP T4 with size = 0b11.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Implement the MVE integer vector comparison instructions. These are
"VCMP (vector)" encodings T1, T2 and T3, and "VPT (vector)" encodings
T1, T2 and T3.
These insns compare corresponding elements in each vector, and update
the VPR.P0 predicate bits with the results of the comparison. VPT
also sets the VPR.MASK01 and VPR.MASK23 fields -- it is effectively
"VCMP then VPST".
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Implement the MVE incrementing/decrementing dup insns VIDUP, VDDUP,
VIWDUP and VDWDUP. These fill the elements of a vector with
successively incrementing values, starting at the offset specified in
a general purpose register. The final value of the offset is written
back to this register. The wrapping variants take a second general
purpose register which specifies the point where the count should
wrap back to 0.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:50 +0000 (17:11 +0100)]
target/arm: Implement MVE VMULL (polynomial)
Implement the MVE VMULL (polynomial) insn. Unlike Neon, this comes
in two flavours: 8x8->16 and a 16x16->32. Also unlike Neon, the
inputs are in either the low or the high half of each double-width
element.
The assembler for this insn indicates the size with "P8" or "P16",
encoded into bit 28 as size = 0 or 1. We choose to follow the
same encoding as VQDMULL and decode this into a->size as MO_16
or MO_32 indicating the size of the result elements. This then
carries through to the helper function names where it then
matches up with the existing pmull_h() which does an 8x8->16
operation and a new pmull_w() which does the 16x16->32.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:49 +0000 (17:11 +0100)]
target/arm: Fix VLDRB/H/W for predicated elements
For vector loads, predicated elements are zeroed, instead of
retaining their previous values (as happens for most data
processing operations). This means we need to distinguish
"beat not executed due to ECI" (don't touch destination
element) from "beat executed but predicated out" (zero
destination element).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:49 +0000 (17:11 +0100)]
target/arm: Fix VPT advance when ECI is non-zero
We were not paying attention to the ECI state when advancing the VPT
state. Architecturally, VPT state advance happens for every beat
(see the pseudocode VPTAdvance()), so on every beat the 4 bits of
VPR.P0 corresponding to the current beat are inverted if required,
and at the end of beats 1 and 3 the VPR MASK fields are updated.
This means that if the ECI state says we should not be executing all
4 beats then we need to skip some of the updating of the VPR that we
currently do in mve_advance_vpt().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:49 +0000 (17:11 +0100)]
target/arm: Factor out mve_eci_mask()
In some situations we need a mask telling us which parts of the
vector correspond to beats that are not being executed because of
ECI, separately from the combined "which bytes are predicated away"
mask. Factor this mask calculation out of mve_element_mask() into
its own function.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:48 +0000 (17:11 +0100)]
target/arm: Fix calculation of LTP mask when LR is 0
In mve_element_mask(), we calculate a mask for tail predication which
should have a number of 1 bits based on the value of LR. However,
our MAKE_64BIT_MASK() macro has undefined behaviour when passed a
zero length. Special case this to give the all-zeroes mask we
require.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:48 +0000 (17:11 +0100)]
target/arm: Fix MVE 48-bit SQRSHRL for small right shifts
We got an edge case wrong in the 48-bit SQRSHRL implementation: if
the shift is to the right, although it always makes the result
smaller than the input value it might not be within the 48-bit range
the result is supposed to be if the input had some bits in [63..48]
set and the shift didn't bring all of those within the [47..0] range.
Handle this similarly to the way we already do for this case in
do_uqrshl48_d(): extend the calculated result from 48 bits,
and return that if not saturating or if it doesn't change the
result; otherwise fall through to return a saturated value.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:48 +0000 (17:11 +0100)]
target/arm: Fix 48-bit saturating shifts
In do_sqrshl48_d() and do_uqrshl48_d() we got some of the edge
cases wrong and failed to saturate correctly:
(1) In do_sqrshl48_d() we used the same code that do_shrshl_bhs()
does to obtain the saturated most-negative and most-positive 48-bit
signed values for the large-shift-left case. This gives (1 << 47)
for saturate-to-most-negative, but we weren't sign-extending this
value to the 64-bit output as the pseudocode requires.
(2) For left shifts by less than 48, we copied the "8/16 bit" code
from do_sqrshl_bhs() and do_uqrshl_bhs(). This doesn't do the right
thing because it assumes the C type we're working with is at least
twice the number of bits we're saturating to (so that a shift left by
bits-1 can't shift anything off the top of the value). This isn't
true for bits == 48, so we would incorrectly return 0 rather than the
most-positive value for situations like "shift (1 << 44) right by
20". Instead check for saturation by doing the shift and signextend
and then testing whether shifting back left again gives the original
value.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:47 +0000 (17:11 +0100)]
target/arm: Fix mask handling for MVE narrowing operations
In the MVE helpers for the narrowing operations (DO_VSHRN and
DO_VSHRN_SAT) we were using the wrong bits of the predicate mask for
the 'top' versions of the insn. This is because the loop works over
the double-sized input elements and shifts the predicate mask by that
many bits each time, but when we write out the half-sized output we
must look at the mask bits for whichever half of the element we are
writing to.
Correct this by shifting the whole mask right by ESIZE bits for the
'top' insns. This allows us also to simplify the saturation bit
checking (where we had noticed that we needed to look at a different
mask bit for the 'top' insn.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:47 +0000 (17:11 +0100)]
target/arm: Fix MVE VSLI by 0 and VSRI by <dt>
In the MVE shift-and-insert insns, we special case VSLI by 0
and VSRI by <dt>. VSRI by <dt> means "don't update the destination",
which is what we've implemented. However VSLI by 0 is "set
destination to the input", so we don't want to use the same
special-casing that we do for VSRI by <dt>.
Since the generic logic gives the right answer for a shift
by 0, just use that.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:47 +0000 (17:11 +0100)]
target/arm: Print MVE VPR in CPU dumps
Include the MVE VPR register value in the CPU dumps produced by
arm_cpu_dump_state() if we are printing FPU information. This
makes it easier to interpret debug logs when predication is
active.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 13 Aug 2021 16:11:46 +0000 (17:11 +0100)]
target/arm: Note that we handle VMOVL as a special case of VSHLL
Although the architecture doesn't define it as an alias, VMOVL
(vector move long) is encoded as a VSHLL with a zero shift.
Add a comment in the decode file noting that we handle VMOVL
as part of VSHLL.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
softmmu/physmem: fix wrong assertion in qemu_ram_alloc_internal()
When adding RAM_NORESERVE, we forgot to remove the old assertion when
adding the updated one, most probably when reworking the patches or
rebasing. We can easily crash QEMU by adding
-object memory-backend-ram,id=mem0,size=500G,reserve=off
to the QEMU cmdline:
qemu-system-x86_64: ../softmmu/physmem.c:2146: qemu_ram_alloc_internal:
Assertion `(ram_flags & ~(RAM_SHARED | RAM_RESIZEABLE | RAM_PREALLOC))
== 0' failed.
Fix it by removing the old assertion.
Fixes: 8dbe22c6868b ("memory: Introduce RAM_NORESERVE and wire it up in qemu_ram_mmap()") Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Pankaj Gupta <pankaj.gupta@ionos.com> Signed-off-by: David Hildenbrand <david@redhat.com>
Message-id: 20210805092350.31195-1-david@redhat.com Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Peter Xu <peterx@redhat.com> Cc: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: David Hildenbrand <david@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Andrew Jones [Tue, 17 Aug 2021 12:53:56 +0000 (14:53 +0200)]
qapi/machine.json: Remove zero value reference from SMPConfiguration documentation
Commit 1e63fe685804 ("machine: pass QAPI struct to mc->smp_parse")
introduced documentation stating that a zero input value for an SMP
parameter indicates that its value should be automatically configured.
This is indeed how things work today, but we'd like to change that.
Avoid documenting behaviors we want to leave undefined for the time
being, giving us freedom to change it later.
Fixes: 1e63fe685804 ("machine: pass QAPI struct to mc->smp_parse") Signed-off-by: Andrew Jones <drjones@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Yanan Wang <wangyanan55@huawei.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* remotes/thuth-gitlab/tags/pull-request-2021-08-11:
docs/about/removed-features: Document removed machines from older QEMU versions
docs/about/removed-features: Document removed devices from older QEMU versions
docs/about/removed-features: Document removed HMP commands from QEMU v2.12
docs/about/removed-features: Document removed CLI options from QEMU v3.1
docs/about/removed-features: Document removed CLI options from QEMU v3.0
docs/about/removed-features: Document removed CLI options from QEMU v2.12
fuzz: avoid building twice, when running on gitlab
tests/qtest/vhost-user-blk-test: Check whether qemu-storage-daemon is available
storage-daemon: Add missing build dependency to the vhost-user-blk-test
gitlab: skip many more targets in windows cross builds
gitlab: exclude sparc-softmmu and riscv32-softmmu from cross builds
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
# gpg: Signature made Fri 13 Aug 2021 04:03:00 BST
# gpg: using RSA key 7B0244FB12DE4422
# gpg: Good signature from "Taylor Simpson (Rock on) <tsimpson@quicinc.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 3635 C788 CE62 B91F D4C5 9AB4 7B02 44FB 12DE 4422
* remotes/quic/tags/pull-hex-20210812:
Hexagon (disas/hexagon.c) fix memory leak for early exit cases
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* remotes/bonzini-gitlab/tags/for-upstream:
hw/core: fix error checking in smp_parse
hw/core: Add missing return on error
target/i386: Fixed size of constant for Windows
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
machine_set_smp() mistakenly checks 'errp' not '*errp',
and so thinks there is an error every single time it runs.
This causes it to jump to the end of the method, skipping
the max CPUs checks. The caller meanwhile sees no error
and so carries on execution. The result of all this is:
Closes: https://gitlab.com/qemu-project/qemu/-/issues/524 Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20210812175353.4128471-1-berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daud? <f4bug@amsat.org> Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Thomas Huth [Wed, 11 Aug 2021 08:41:01 +0000 (10:41 +0200)]
docs/about/removed-features: Document removed HMP commands from QEMU v2.12
These HMP commands had been removed/replaced in QEMU v2.12. Still, some
people might want to update from older versions to the recent QEMU version,
so we should give some recommendations for the replacements in our
documentation.
Message-Id: <20210811084103.74832-5-thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Thomas Huth [Wed, 11 Aug 2021 08:41:00 +0000 (10:41 +0200)]
docs/about/removed-features: Document removed CLI options from QEMU v3.1
These CLI options had been removed/replaced in QEMU v3.1. Still, some
people might want to update from older versions to the recent QEMU version,
so we should give some recommendations for the replacements in our
documentation.
Message-Id: <20210811084103.74832-4-thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Thomas Huth [Wed, 11 Aug 2021 08:40:59 +0000 (10:40 +0200)]
docs/about/removed-features: Document removed CLI options from QEMU v3.0
These CLI options had been removed/replaced in QEMU v3.0. Still, some
people might want to update from older versions to the recent QEMU version,
so we should give some recommendations for the replacements in our
documentation.
Message-Id: <20210811084103.74832-3-thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Thomas Huth [Wed, 11 Aug 2021 08:40:58 +0000 (10:40 +0200)]
docs/about/removed-features: Document removed CLI options from QEMU v2.12
These CLI options had been removed/replaced in QEMU v2.12. Still, some
people might want to update from older versions to the recent QEMU version,
so we should give some recommendations for the replacements in our
documentation.
Message-Id: <20210811084103.74832-2-thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
fuzz: avoid building twice, when running on gitlab
On oss-fuzz, we build twice, to put together a build that is portable to
the runner containers. On gitlab ci, this is wasteful and contributes to
timeouts on the build-oss-fuzz job. Avoid building twice on gitlab, at
the remote cost of potentially missing some cases that break oss-fuzz
builds.
Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-Id: <20210809111621.54454-1-alxndr@bu.edu> Signed-off-by: Thomas Huth <thuth@redhat.com>
Thomas Huth [Wed, 11 Aug 2021 09:59:49 +0000 (11:59 +0200)]
tests/qtest/vhost-user-blk-test: Check whether qemu-storage-daemon is available
The vhost-user-blk-test currently hangs if QTEST_QEMU_STORAGE_DAEMON_BINARY
points to a non-existing binary. Let's improve this situation by checking
for the availability of the binary first, so we can fail gracefully if
it is not accessible.
Message-Id: <20210811095949.133462-1-thuth@redhat.com> Reviewed-by: Alexander Bulekov <alxndr@bu.edu> Tested-by: Alexander Bulekov <alxndr@bu.edu> Signed-off-by: Thomas Huth <thuth@redhat.com>
gitlab: skip many more targets in windows cross builds
The windows cross builds still take way too long in gitlab CI, so need
more targets to be skipped. We don't want to hurt coverage of other
cross builds more though, so we let jobs fine tune with a new env
variale $CROSS_SKIP_TARGETS.
We take the set of targets that are considered relatively niche or
very old architectures, and skip approx half of them in win32 builds
and the other half of them in win64.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-Id: <20210810140653.3969823-3-berrange@redhat.com>
[thuth: Swapped the "CROSS_SKIP_TARGETS:" lines as suggested by philmd] Signed-off-by: Thomas Huth <thuth@redhat.com>
gitlab: exclude sparc-softmmu and riscv32-softmmu from cross builds
We need to cut down compile time by excluding more targets. Both these
targets still have their 64-bit variant enabled, so the loss of coverage
is mitigated to some degree.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-Id: <20210810140653.3969823-2-berrange@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Hanna Reitz [Tue, 10 Aug 2021 14:04:11 +0000 (16:04 +0200)]
MAINTAINERS: Name and email address change
I have changed my name and email address. Update the MAINTAINERS file
to match, and .mailmap in case anyone wants to send me an email because
of some past commit I authored. (As suggested by Philippe, I put the
.mailmap line into the "preferred name forms" section, considering it
counts as a git author config change.)
Signed-off-by: Hanna Reitz <hreitz@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The audio migration vmstate is empty, and always has been; we can't
just remove it though because an old qemu might send it us.
Changes with -audiodev now mean it's sometimes created when it didn't
used to be, and can confuse migration to old qemu.
Change it so that vmstate_audio is never sent; if it's received it
should still be accepted, and old qemu's shouldn't be too upset if it's
missing.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Tested-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20210809170956.78536-1-dgilbert@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Volker Rümelin [Tue, 10 Aug 2021 06:32:57 +0000 (08:32 +0200)]
ui/gtk: retry sending VTE console input
Commit 584af1f1d9 ("ui/gtk: add a keyboard fifo to the VTE
consoles") changed the VTE chardev backend code to rely on the
chr_accept_input() callback function. The code expects a
chr_accept_input() call whenever qemu_chr_be_can_write() bytes
were written. It turns out this is wrong. Some chardev
frontends only call this callback after can_write was 0.
Change the code to send data until the keyboard fifo is empty
or qemu_chr_be_can_write() returns 0.
Fixes: 584af1f1d9 ("ui/gtk: add a keyboard fifo to the VTE consoles") Signed-off-by: Volker Rümelin <vr_qemu@t-online.de> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210810063257.17411-1-vr_qemu@t-online.de> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
qga: fix leak of base64 decoded data on command error
If the guest command fails to be spawned, then we would leak the decoded
base64 input used for the command's stdin feed.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Michael Roth <michael.roth@amd.com>
tests: filter out TLS distinguished name in certificate checks
The version of GNUTLS in Fedora 34 has changed the order in which encodes
fields when generating new TLS certificates. This in turn changes the
order seen when querying the distinguished name. This ultimately breaks
the expected output in the NBD TLS iotests. We don't need to be
comparing the exact distinguished name text for the purpose of the test
though, so it is fine to filter it out.
Reported-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20210804180330.3469683-1-berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Tested-by: Eric Blake <eblake@redhat.com> Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Fix the following build failure on musl raised since version 6.0.0 and
https://gitlab.com/qemu-project/qemu/-/commit/4ca37a96a75aafe7a37ba51ab1912b09b7190a6b
because musl does not define FALLOC_FL_ZERO_RANGE:
../block/export/fuse.c: In function 'fuse_fallocate':
../block/export/fuse.c:563:23: error: 'FALLOC_FL_ZERO_RANGE' undeclared (first use in this function)
563 | } else if (mode & FALLOC_FL_ZERO_RANGE) {
| ^~~~~~~~~~~~~~~~~~~~
Peter Maydell [Mon, 9 Aug 2021 14:00:26 +0000 (15:00 +0100)]
Merge remote-tracking branch 'remotes/nvme/tags/nvme-next-pull-request' into staging
hw/nvme fixes
* coverity fixes
# gpg: Signature made Mon 09 Aug 2021 11:53:42 BST
# gpg: using RSA key 522833AA75E2DCE6A24766C04DE1AF316D4F0DE9
# gpg: Good signature from "Klaus Jensen <its@irrelevant.dk>" [unknown]
# gpg: aka "Klaus Jensen <k.jensen@samsung.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: DDCA 4D9C 9EF9 31CC 3468 4272 63D5 6FC5 E55D A838
# Subkey fingerprint: 5228 33AA 75E2 DCE6 A247 66C0 4DE1 AF31 6D4F 0DE9
Klaus Jensen [Mon, 9 Aug 2021 10:34:40 +0000 (12:34 +0200)]
hw/nvme: fix missing variable initializers
Coverity found that 'uuid', 'csi' and 'eui64' are uninitialized. While
we set most of the fields, we do not explicitly set the rsvd2 field in
the NvmeIdNsDescr header.
Fix this by explicitly zero-initializing the variables.
Reported-by: Coverity (CID 1458835, 1459295 and 1459580) Fixes: 6870cfb8140d ("hw/nvme: namespace parameter for EUI-64") Suggested-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Klaus Jensen <k.jensen@samsung.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Alyssa Ross [Fri, 6 Aug 2021 14:49:47 +0000 (14:49 +0000)]
meson: fix logic for gnutls check
The logic before was
if not get_option('gnutls').auto() or have_system
Which is equivalent to
if get_option('gnutls').enabled() or get_option('gnutls').disabled() or have_system
This means that the check for gnutls is performed even if gnutls is
disabled, which means that the build system will insist on having
libtasn1 if gnutls is found, even if gnutls support is disabled.
When gnutls is disabled, the check for gnutls shouldn't be performed,
to ensure that further build system logic (like the check for
libtasn1) doesn't make decisions based on the presence of gnutls,
rather than the gnutls option.
After making this change, I can successfully ./configure --disable-gnutls
on my system with gnutls installed, but not libtasn1.
Signed-off-by: Alyssa Ross <hi@alyssa.is>
Message-Id: <20210806144947.321647-1-hi@alyssa.is> Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Peter Maydell [Thu, 5 Aug 2021 17:48:06 +0000 (18:48 +0100)]
Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2021-08-05' into staging
QAPI patches patches for 2021-08-05
# gpg: Signature made Thu 05 Aug 2021 15:06:12 BST
# gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg: issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653
* remotes/armbru/tags/pull-qapi-2021-08-05:
docs: convert writing-qmp-commands.txt to writing-qmp-commands.rst
docs/qapi-code-gen: add cross-references
docs/qapi-code-gen: Beautify formatting
docs: convert qapi-code-gen.txt to ReST
docs/devel/qapi-code-gen: Update examples to match current code
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Thu, 5 Aug 2021 15:25:44 +0000 (16:25 +0100)]
Merge remote-tracking branch 'remotes/marcandre/tags/chr-fix-pull-request' into staging
Chardev-related fixes
Hi
Here are some bug fixes worthy for 6.1.
thanks
# gpg: Signature made Thu 05 Aug 2021 13:52:03 BST
# gpg: using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg: issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg: aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276 F62D DAE8 E109 7596 9CE5
* remotes/marcandre/tags/chr-fix-pull-request:
chardev: report a simpler error about duplicated id
chardev: give some context on chardev-add error
chardev: fix qemu_chr_open_fd() with fd_in==fd_out
chardev: fix qemu_chr_open_fd() being called with fd=-1
chardev: fix fd_chr_add_watch() when in != out
chardev: mark explicitly first argument as poisoned
chardev/socket: print a more correct command-line address
util: fix abstract socket path copy
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Description from Daniel P. Berrangé:
> The original code reported:
>
> "attempt to add duplicate property 'char2' to object (type 'container')"
>
> Since adding yank support, the current code reports
>
> "duplicate yank instance"
>
> With this patch applied it now reports:
>
> "Failed to add chardev 'char2': duplicate yank instance"
>
> This is marginally better, but still not great, not that the original
> error was great either.
>
> It would be nice if we could report
>
> "chardev with id 'char2' already exists"
Related to:
https://bugzilla.redhat.com/show_bug.cgi?id=1984721
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
chardev: fix qemu_chr_open_fd() being called with fd=-1
The "file" chardev may call qemu_chr_open_fd() with fd_in=-1. This may
cause invalid system calls, as the QIOChannel is assumed to be properly
initialized later on.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
chardev: mark explicitly first argument as poisoned
Since commit 9894dc0cdcc397ee5b26370bc53da6d360a363c2 "char: convert
from GIOChannel to QIOChannel", the first argument to the watch callback
can actually be a QIOChannel, which is not a GIOChannel (but a QEMU
Object).
Even though we never used that pointer, change the callback type to warn
the users. Possibly a better fix later, we may want to store the
callback and call it from intermediary functions.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>