fdt_pack() can change the fdt size, meaning that fdt_totalsize() can
contain a now deprecated (bigger) value.
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-Id: <20230201171212.1219375-2-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Follow the QEMU convention of naming MachineState pointers as 'ms' by
renaming the instances where we're calling it 'mc'.
Suggested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-Id: <20230124212234.412630-4-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
We have a convention in other QEMU boards/archs to name MachineState
pointers as either 'machine' or 'ms'. MachineClass pointers are usually
called 'mc'.
The 'virt' RISC-V machine has a lot of instances where MachineState
pointers are named 'mc'. There is nothing wrong with that, but we gain
more compatibility with the rest of the QEMU code base, and easier
reviews, if we follow QEMU conventions.
Rename all 'mc' MachineState pointers to 'ms'. This is a very tedious
and mechanical patch that was produced by doing the following:
- find/replace all 'MachineState *mc' to 'MachineState *ms';
- find/replace all 'mc->fdt' to 'ms->fdt';
- find/replace all 'mc->smp.cpus' to 'ms->smp.cpus';
- replace any remaining occurrences of 'mc' that the compiler complained
about.
Suggested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-Id: <20230124212234.412630-3-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
riscv_socket_count() returns either ms->numa_state->num_nodes or 1
depending on NUMA support. In any case the value can be retrieved only
once and used in the rest of the function.
This will also alleviate the rename we're going to do next by reducing
the instances of MachineState 'mc' inside hw/riscv/virt.c.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-Id: <20230124212234.412630-2-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
If the CSRs and CSR instructions are disabled because the Zicsr
extension isn't enabled then we want to make sure we don't run any CSR
instructions in the boot ROM.
This patches removes the CSR instructions from the reset-vec if the
extension isn't enabled. We replace the instruction with a NOP instead.
Note that we don't do this for the SiFive U machine, as we are modelling
the hardware in that case.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1447
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-Id: <20230123035754.75553-1-alistair.francis@opensource.wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Updates the opentitan IRQs to match the latest supported commit of
Opentitan from TockOS.
OPENTITAN_SUPPORTED_SHA := 565e4af39760a123c59a184aa2f5812a961fde47
Memory layout as per [1]
[1] 565e4af397/hw/top_earlgrey/sw/autogen/top_earlgrey_memory.h
Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20230123063619.222459-1-wilfred.mallawa@opensource.wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This is not needed in C.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <58f599387dd0739ea1880bfb678872c0be26bf1b.1674333199.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
No need to wrap constants in parenthesis.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <9194546b73b05e7098761ec62b2dfd0699b97b65.1674333199.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reported-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230203194312.33834745712@zero.eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The name is for the region mapping the PHB xscom registers. It was
apparently a bad cut-and-paste from the per-stack pci xscom area just
above, so we had two regions with the same name.
Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20230127122848.550083-5-fbarrat@linux.ibm.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Makes the unimplemented region move together with the CCSR address space
if moved by a bootloader. Moving the CCSR address space isn't
implemented yet but this patch is a preparation for it.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230125130024.158721-5-shentey@gmail.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The "platform" node is available through data->node, so use that instead
of making assumptions about the parent device.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20230125130024.158721-4-shentey@gmail.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This is a follow-up on commit 47a0b1dff7 'hw/ppc/mpc8544ds: Add
platform bus': Both mpc85xx boards now have a platform bus
unconditionally.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20230125130024.158721-3-shentey@gmail.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This enables support for the 'dumpdtb' QMP/HMP command for all
e500 machines.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20230125130024.158721-2-shentey@gmail.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
mv64361_pcihost_map_irq() is a reimplementation of
pci_swizzle_map_irq_fn(). Resolve this redundancy.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <20230106113927.8603-1-shentey@gmail.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Slightly improve readability of creating the south btidge by cnamging
type of a local variable to avoid some casts within function arguments
which makes some lines shorter and easier to read.
Also remove an unneded line break.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230117214545.5E191746369@zero.eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This moves the command from MAINTAINERS section "QMP" to section
"ACPI/SMBIOS)".
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230124121946.1139465-25-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This moves these commands from MAINTAINERS section "Human
Monitor (HMP)" to "virtio".
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230124121946.1139465-20-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This moves these commands from MAINTAINERS section "Human
Monitor (HMP)" to "Rocker" and "Network devices".
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230124121946.1139465-14-armbru@redhat.com>
This moves these commands from MAINTAINERS section "Human
Monitor (HMP)" to "Machine core".
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230124121946.1139465-11-armbru@redhat.com>
This moves these commands from MAINTAINERS section "QMP" to "Machine
core".
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230124121946.1139465-10-armbru@redhat.com>
* Fix physical address resolution for Stage2
* pl011: refactoring, implement reset method
* Support GICv3 with hvf acceleration
* sbsa-ref: remove cortex-a76 from list of supported cpus
* Correct syndrome for ATS12NSO* traps at Secure EL1
* Fix priority of HSTR_EL2 traps vs UNDEFs
* Implement FEAT_FGT for '-cpu max'
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Merge tag 'pull-target-arm-20230203' of https://git.linaro.org/people/pmaydell/qemu-arm into staging
target-arm queue:
* Fix physical address resolution for Stage2
* pl011: refactoring, implement reset method
* Support GICv3 with hvf acceleration
* sbsa-ref: remove cortex-a76 from list of supported cpus
* Correct syndrome for ATS12NSO* traps at Secure EL1
* Fix priority of HSTR_EL2 traps vs UNDEFs
* Implement FEAT_FGT for '-cpu max'
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# gpg: Signature made Fri 03 Feb 2023 14:28:59 GMT
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# 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-20230203' of https://git.linaro.org/people/pmaydell/qemu-arm: (33 commits)
target/arm: Enable FEAT_FGT on '-cpu max'
target/arm: Implement MDCR_EL2.TDCC and MDCR_EL3.TDCC traps
target/arm: Implement the HFGITR_EL2.SVC_EL0 and SVC_EL1 traps
target/arm: Implement the HFGITR_EL2.ERET trap
target/arm: Mark up sysregs for HFGITR bits 48..63
target/arm: Mark up sysregs for HFGITR bits 18..47
target/arm: Mark up sysregs for HFGITR bits 12..17
target/arm: Mark up sysregs for HFGITR bits 0..11
target/arm: Mark up sysregs for HDFGRTR bits 12..63
target/arm: Mark up sysregs for HDFGRTR bits 0..11
target/arm: Mark up sysregs for HFGRTR bits 36..63
target/arm: Mark up sysregs for HFGRTR bits 24..35
target/arm: Mark up sysregs for HFGRTR bits 12..23
target/arm: Mark up sysregs for HFGRTR bits 0..11
target/arm: Implement FGT trapping infrastructure
target/arm: Define the FEAT_FGT registers
target/arm: Disable HSTR_EL2 traps if EL2 is not enabled
target/arm: Make HSTR_EL2 traps take priority over UNDEF-at-EL1
target/arm: All UNDEF-at-EL0 traps take priority over HSTR_EL2 traps
target/arm: Move do_coproc_insn() syndrome calculation earlier
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Mark up the sysreg definitions for the registers trapped
by HFGRTR/HFGWTR bits 36..63.
Of these, some correspond to RAS registers which we implement as
always-UNDEF: these don't need any extra handling for FGT because the
UNDEF-to-EL1 always takes priority over any theoretical
FGT-trap-to-EL2.
Bit 50 (NACCDATA_EL1) is for the ACCDATA_EL1 register which is part
of the FEAT_LS64_ACCDATA feature which we don't yet implement.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Fuad Tabba <tabba@google.com>
Message-id: 20230130182459.3309057-14-peter.maydell@linaro.org
Message-id: 20230127175507.2895013-14-peter.maydell@linaro.org
Cortex-A76 supports 40bits of address space. sbsa-ref's memory
starts above this limit.
Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230126114416.2447685-1-marcin.juszkiewicz@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Let's explicitly list out all accelerators that we support when trying to
determine the supported set of GIC versions. KVM was already separate, so
the only missing one is HVF which simply reuses all of TCG's emulation
code and thus has the same compatibility matrix.
Signed-off-by: Alexander Graf <agraf@csgraf.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20221223090107.98888-3-agraf@csgraf.de
[PMM: Added qtest to the list of accelerators]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Up to now, the finalize_gic_version() code open coded what is essentially
a support bitmap match between host/emulation environment and desired
target GIC type.
This open coding leads to undesirable side effects. For example, a VM with
KVM and -smp 10 will automatically choose GICv3 while the same command
line with TCG will stay on GICv2 and fail the launch.
This patch combines the TCG and KVM matching code paths by making
everything a 2 pass process. First, we determine which GIC versions the
current environment is able to support, then we go through a single
state machine to determine which target GIC mode that means for us.
After this patch, the only user noticable changes should be consolidated
error messages as well as TCG -M virt supporting -smp > 8 automatically.
Signed-off-by: Alexander Graf <agraf@csgraf.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Message-id: 20221223090107.98888-2-agraf@csgraf.de
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
We currently only support GICv2 emulation. To also support GICv3, we will
need to pass a few system registers into their respective handler functions.
This patch adds support for HVF to call into the TCG callbacks for GICv3
system register handlers. This is safe because the GICv3 TCG code is generic
as long as we limit ourselves to EL0 and EL1 - which are the only modes
supported by HVF.
To make sure nobody trips over that, we also annotate callbacks that don't
work in HVF mode, such as EL state change hooks.
With GICv3 support in place, we can run with more than 8 vCPUs.
Signed-off-by: Alexander Graf <agraf@csgraf.de>
Message-id: 20230128224459.70676-1-agraf@csgraf.de
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Current FIFO handling code does not reset RXFE/RXFF flags when guest
resets FIFO by writing to UARTLCR register, although internal FIFO state
is reset to 0 read count. Actual guest-visible flag update will happen
only on next data read or write attempt. As a result of that any guest
that expects RXFE flag to be set (and RXFF to be cleared) after resetting
FIFO will never see that happen.
Signed-off-by: Evgeny Iakovlev <eiakovlev@linux.microsoft.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230123162304.26254-5-eiakovlev@linux.microsoft.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
PL011 currently lacks a reset method. Implement it.
Signed-off-by: Evgeny Iakovlev <eiakovlev@linux.microsoft.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20230123162304.26254-4-eiakovlev@linux.microsoft.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Previous change slightly modified the way we handle data writes when
FIFO is disabled. Previously we kept incrementing read_pos and were
storing data at that position, although we only have a
single-register-deep FIFO now. Then we changed it to always store data
at pos 0.
If guest disables FIFO and the proceeds to read data, it will work out
fine, because we still read from current read_pos before setting it to
0.
However, to make code less fragile, introduce a post_load hook for
PL011State and move fixup read FIFO state when FIFO is disabled. Since
we are introducing a post_load hook, also do some sanity checking on
untrusted incoming input state.
Signed-off-by: Evgeny Iakovlev <eiakovlev@linux.microsoft.com>
Message-id: 20230123162304.26254-3-eiakovlev@linux.microsoft.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
PL011 can be in either of 2 modes depending guest config: FIFO and
single register. The last mode could be viewed as a 1-element-deep FIFO.
Current code open-codes a bunch of depth-dependent logic. Refactor FIFO
depth handling code to isolate calculating current FIFO depth.
One functional (albeit guest-invisible) side-effect of this change is
that previously we would always increment s->read_pos in UARTDR read
handler even if FIFO was disabled, now we are limiting read_pos to not
exceed FIFO depth (read_pos itself is reset to 0 if user disables FIFO).
Signed-off-by: Evgeny Iakovlev <eiakovlev@linux.microsoft.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20230123162304.26254-2-eiakovlev@linux.microsoft.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Use the macro instead of two explicit string literals.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20230124232059.4017615-1-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- qemu-img info: Show protocol-level information
- Move more functions to coroutines
- Make coroutine annotations ready for static analysis
- qemu-img: Fix exit code for errors closing the image
- qcow2 bitmaps: Fix theoretical corruption in error path
- pflash: Only load non-zero parts of backend image to save memory
- Code cleanup and test case improvements
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Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging
Block layer patches
- qemu-img info: Show protocol-level information
- Move more functions to coroutines
- Make coroutine annotations ready for static analysis
- qemu-img: Fix exit code for errors closing the image
- qcow2 bitmaps: Fix theoretical corruption in error path
- pflash: Only load non-zero parts of backend image to save memory
- Code cleanup and test case improvements
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# gpg: Signature made Wed 01 Feb 2023 16:00:53 GMT
# gpg: using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg: issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6
* tag 'for-upstream' of https://repo.or.cz/qemu/kevin: (38 commits)
qemu-img: Change info key names for protocol nodes
qemu-img: Let info print block graph
iotests/106, 214, 308: Read only one size line
iotests: Filter child node information
block/qapi: Add indentation to bdrv_node_info_dump()
block/qapi: Introduce BlockGraphInfo
block/qapi: Let bdrv_query_image_info() recurse
qemu-img: Use BlockNodeInfo
block: Split BlockNodeInfo off of ImageInfo
block/vmdk: Change extent info type
block/file: Add file-specific image info
block: Improve empty format-specific info dump
block/nbd: Add missing <qemu/bswap.h> include
block: Rename bdrv_load/save_vmstate() to bdrv_co_load/save_vmstate()
block: Convert bdrv_debug_event() to co_wrapper_mixed
block: Convert bdrv_lock_medium() to co_wrapper
block: Convert bdrv_eject() to co_wrapper
block: Convert bdrv_get_info() to co_wrapper_mixed
block: Convert bdrv_get_allocated_file_size() to co_wrapper
block: use bdrv_co_refresh_total_sectors when possible
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* Remove the deprecated OTP config of sifive_u
* Add libfdt to some of our CI jobs that were still missing it
* Use __builtin_bswap() everywhere (all compiler versions support it now)
* Deprecate the HAXM accelerator
* Document PCI devices handling on s390x
* Make Audiodev introspectable
* Improve the runtime of some CI jobs
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Merge tag 'pull-request-2023-01-31' of https://gitlab.com/thuth/qemu into staging
* qtest improvements
* Remove the deprecated OTP config of sifive_u
* Add libfdt to some of our CI jobs that were still missing it
* Use __builtin_bswap() everywhere (all compiler versions support it now)
* Deprecate the HAXM accelerator
* Document PCI devices handling on s390x
* Make Audiodev introspectable
* Improve the runtime of some CI jobs
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# gpg: Signature made Tue 31 Jan 2023 10:05:10 GMT
# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5
* tag 'pull-request-2023-01-31' of https://gitlab.com/thuth/qemu: (27 commits)
gitlab-ci.d/buildtest: Merge the --without-default-* jobs
tests/qtest/display-vga-test: Add proper checks if a device is available
gitlab-ci.d/buildtest: Remove ppc-softmmu from the clang-system job
qapi, audio: Make introspection reflect build configuration more closely
qapi, audio: add query-audiodev command
docs/s390x/pcidevices: document pci devices on s390x
tests/qtest/boot-serial-test: Constify tests[] array
tests/qtest/vnc-display-test: Disable on Darwin
tests/qtest/vnc-display-test: Use the 'none' machine
tests/qtest/vnc-display-test: Suppress build warnings on Windows
tests/tcg: Do not build/run TCG tests if TCG is disabled
docs/about/deprecated: Mark HAXM in QEMU as deprecated
MAINTAINERS: Abort HAXM maintenance
qemu/bswap: Use compiler __builtin_bswap() on NetBSD
qemu/bswap: Use compiler __builtin_bswap() on FreeBSD
qemu/bswap: Use compiler __builtin_bswap() on Haiku
qemu/bswap: Remove <byteswap.h> dependency
qemu/bswap: Replace bswapXXs() by compiler __builtin_bswap()
qemu/bswap: Replace bswapXX() by compiler __builtin_bswap()
tests/docker/dockerfiles: Add libfdt to the i386 and to the riscv64 container
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
BlockDriver->bdrv_getlength is categorized as IO callback, and it
currently doesn't run in a coroutine. We should let it take a graph
rdlock since the callback traverses the block nodes graph, which however
is only possible in a coroutine.
Therefore turn it into a co_wrapper to move the actual function into a
coroutine where the lock can be taken.
Because now this function creates a new coroutine and polls, we need to
take the AioContext lock where it is missing, for the only reason that
internally co_wrapper calls AIO_WAIT_WHILE and it expects to release the
AioContext lock.
This is especially messy when a co_wrapper creates a coroutine and polls
in bdrv_open_driver, because this function has so many callers in so
many context that it can easily lead to deadlocks. Therefore the new
rule for bdrv_open_driver is that the caller must always hold the
AioContext lock of the given bs (except if it is a coroutine), because
the function calls bdrv_refresh_total_sectors() which is now a
co_wrapper.
Once the rwlock is ultimated and placed in every place it needs to be,
we will poll using AIO_WAIT_WHILE_UNLOCKED and remove the AioContext
lock.
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230113204212.359076-7-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This reverts commit a7f523c7d1.
The nested event loop is broken by design. It's only user was removed.
Drop the code as well so that nobody ever tries to use it again.
I had to fix a couple of trivial conflicts around return values because
of 025faa872b ("vhost-user: stick to -errno error return convention").
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <20230119172424.478268-3-groug@kaod.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Maxime Coquelin <maxime.coquelin@redhat.com>
This reverts commit db8a3772e3.
Motivation : this is breaking vhost-user with DPDK as reported in [0].
Received unexpected msg type. Expected 22 received 40
Fail to update device iotlb
Received unexpected msg type. Expected 40 received 22
Received unexpected msg type. Expected 22 received 11
Fail to update device iotlb
Received unexpected msg type. Expected 11 received 22
vhost VQ 1 ring restore failed: -71: Protocol error (71)
Received unexpected msg type. Expected 22 received 11
Fail to update device iotlb
Received unexpected msg type. Expected 11 received 22
vhost VQ 0 ring restore failed: -71: Protocol error (71)
unable to start vhost net: 71: falling back on userspace virtio
The failing sequence that leads to the first error is :
- QEMU sends a VHOST_USER_GET_STATUS (40) request to DPDK on the master
socket
- QEMU starts a nested event loop in order to wait for the
VHOST_USER_GET_STATUS response and to be able to process messages from
the slave channel
- DPDK sends a couple of legitimate IOTLB miss messages on the slave
channel
- QEMU processes each IOTLB request and sends VHOST_USER_IOTLB_MSG (22)
updates on the master socket
- QEMU assumes to receive a response for the latest VHOST_USER_IOTLB_MSG
but it gets the response for the VHOST_USER_GET_STATUS instead
The subsequent errors have the same root cause : the nested event loop
breaks the order by design. It lures QEMU to expect responses to the
latest message sent on the master socket to arrive first.
Since this was only needed for DAX enablement which is still not merged
upstream, just drop the code for now. A working solution will have to
be merged later on. Likely protect the master socket with a mutex
and service the slave channel with a separate thread, as discussed with
Maxime in the mail thread below.
[0] https://lore.kernel.org/qemu-devel/43145ede-89dc-280e-b953-6a2b436de395@redhat.com/
Reported-by: Yanghang Liu <yanghliu@redhat.com>
Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=2155173
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <20230119172424.478268-2-groug@kaod.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Use the proper QOM type definition instead of magic string.
This also helps during eventual refactor while using git-grep.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230117193014.83502-1-philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
The VHOST_USER_ADD/REM_MEM_REG requests should be categorized into
non-vring specific messages, and should be sent only once.
Signed-off-by: Minghao Yuan <yuanmh12@chinatelecom.cn>
Message-Id: <20230123122119.194347-1-yuanmh12@chinatelecom.cn>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Generating slots descriptions populated by non-hotpluggable devices
is akward at best and complicates hotplug path (build_append_pcihp_slots)
needlessly, and builds only dynamic _DSM for such slots which is overlkill.
Clean it up and let non-hotplug path (build_append_pci_bus_devices)
to handle that task.
Such clean up effectively drops dynamic _DSM methods on non-hotpluggable
slots (even though bus itself is hotpluggable), but in practice it
affects only built-in devices (ide controllers/various bridges) that don't
use acpi-index anyways so effectively it doesn't matter (NICs are hotpluggble).
Follow up series will add static _DSM for non-hotpluggble devices/buses
that will not depend on ACPI PCI hotplug at all, and potentially would
allows us to reuse non-hotplug path elsewhere (PBX/microvm/arm-virt),
including new support for acpi-index for non-hotpluggable devices.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20230112140312.3096331-40-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
coldplugged bridges are not unpluggable, so there is no need
to describe slots where they are plugged as hotpluggable. To
that effect we have a condition that marks slot as non-hotpluggable
if it's populated by coldplugged bridge and prevents generation
_SUN/_EJ0 objects for it. That leaves dynamic _DSM method on
such slot (which also depends on BSEL and pcihp hardware).
This _DSM method provides only dynamic acpi-index support so far,
which is not actually used/supported by linux kernel for bridges
and it's doubtful there will be need for it at all.
So it's rather pointless to generate acpi-index related AML
for bridges and we can simplify hotplug slots generator a bit
more by completely ignoring coldplugged bridges on hotplug path.
Another point in favor of dropping dynamic _DSM support, is
that we can replace it with static _DSM if necessary since
a slot with bridge can't change during VM runtime and without
any dependency on ACPI PCI hotplug at that.
Later I plan to implement bridge specific static _DSM
PCI Firmware Specification 3.2
4.6.5. _DSM for Ignoring PCI Boot Configurations
part of spec, to fix longstanding issue with fixed IO/MEM
resource assignment that often leads to hotplugged device
being in-operational within the guest due limited IO/MEM
windows programmed on bridge at boot time.
Expected change when coldplugged bridge is ignored by hotplug
code, should look like:
- Scope (S18)
- {
- Name (ASUN, 0x03)
- Method (_DSM, 4, Serialized) // _DSM: Device-Specific Method
- {
- Local0 = Package (0x02)
- {
- BSEL,
- ASUN
- }
- Return (PDSM (Arg0, Arg1, Arg2, Arg3, Local0))
- }
- }
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20230112140312.3096331-37-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Split build_append_pci_bus_devices() onto generic part that builds
AML descriptions only for populated slots which is applicable to
both hotplug disabled and enabled bridges. And a hotplug only
part that complements generic AML with hotplug depended bits
(that depend on BSEL), like _SUN/_EJ0 entries, dynamic _DSM.
Hotplug part, will generate full 'Device' descriptors for
non-populated slots (like it used to be) and complementary
'Scope' descriptors for populated slots that are hotplug capable.
i.e. something like this:
- ...
+ Name (BSEL, 0x03)
+ Scope (S00)
+ {
+ Name (ASUN, Zero)
+ Method (_DSM, 4, Serialized) // _DSM: Device-Specific Method
+ {
+ Local0 = Package (0x02)
+ {
+ BSEL,
+ ASUN
+ }
+ Return (PDSM (Arg0, Arg1, Arg2, Arg3, Local0))
+ }
+ [ ... other hotplug depended bits ]
+ }
While generic build_append_pci_bus_devices() still calls hotplug part at
its end it doesn't really depend on any hotplug bits anymore and later
both could be completely separated when it's necessary.
Main benefit though is that both build_append_pci_bus_devices() and
build_append_pcihp_slots() become more readable and it makes easier
to modify them with less risk of affecting another part. Also it opens
possibility to re-use generic part elsewhere (microvm, arm/virt).
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20230112140312.3096331-34-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20230112140312.3096331-32-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
function doesn't need RW aceess to passed in bus pointer,
make it const.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20230112140312.3096331-31-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
simplify build_append_pci_bus_devices() a bit by handling bridge
specific logic in bridge dedicated AcpiDevAmlIfClass::build_dev_aml
callback.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20230112140312.3096331-30-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
... so that the concrete impl. won't has to duplicate it
every time. By default it doesn't do anything unless leaf class
defines and sets AcpiDevAmlIfClass::build_dev_aml handler.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20230112140312.3096331-29-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Before switching pci bridges to AcpiDevAmlIf interface, ensure that
ignored slots are handled correctly.
(existing rule works but only if bridge doesn't have AcpiDevAmlIf interface).
While at it rewrite related comments to be less confusing (hopefully).
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20230112140312.3096331-28-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
count number of PCNT methods that actually call Notify
and if there aren't any, drop PCNT altogether.
It mostly affects 'Q35' tests where there is no root-ports
/bridges attached and 'PC' machine when ACPI PCI hotplug is
completely disabled.
Expected ASL change:
- Method (PCNT, 0, NotSerialized)
- {
- }
...
Method (_E01, 0, NotSerialized) // _Exx: Edge-Triggered GPE
{
- Acquire (\_SB.PCI0.BLCK, 0xFFFF)
- \_SB.PCI0.PCNT ()
- Release (\_SB.PCI0.BLCK)
}
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20230112140312.3096331-23-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
