In v4.1.0, we added feature flags just to struct types (commit
6a8c0b5102^..f3ed93d545), to satisfy an immediate need (commit
c9d4070991 "file-posix: Add dynamic-auto-read-only QAPI feature"). In
v4.2.0, we added them to commands (commit 23394b4c39 "qapi: Add
feature flags to commands") to satisfy another immediate need (commit
d76744e65e "qapi: Allow introspecting fix for savevm's cooperation
with blockdev").
Add them to the remaining definitions: enumeration types, union types,
alternate types, and events.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200317115459.31821-13-armbru@redhat.com>
QAPISchemaEntity calls doc.connect_feature() in .check(). Improper
since commit ee1e6a1f6c split .connect_doc() off .check(). Move the
call. Requires making the children call super().connect_doc() as they
should.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200317115459.31821-12-armbru@redhat.com>
Locally defined helper qdict_cmp_simple() implements just enough of a
comparison to serve here. Replace it by qobject_is_equal(), which
implements all of it.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200317115459.31821-10-armbru@redhat.com>
Building expected data with qdict_put() & friends is tedious to write
and hard to read. Parse them from string literals with
qdict_from_jsonf_nofail() instead.
While there, use initializers instead of assignments for initializing
aggregate event arguments.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200317115459.31821-9-armbru@redhat.com>
Building requests with qdict_put() & friends is tedious to write and
hard to read. Parse them from string literals with
qdict_from_vjsonf_nofail() instead.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200317115459.31821-8-armbru@redhat.com>
Checking the value of qmp_dispatch() is repetitive. Factor out
helpers do_qmp_dispatch() and do_qmp_dispatch_error(). Without this,
the next commit would make things even more repetitive.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200317115459.31821-6-armbru@redhat.com>
Commit 6a8c0b5102 "qapi: Add feature flags to struct types" neglected
to update section "Client JSON Protocol introspection", and commit
23394b4c39 "qapi: Add feature flags to commands" didn't either. Make
up for that.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200317115459.31821-5-armbru@redhat.com>
Mention SchemaInfo variant member "allow-oob" defaults to false.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200317115459.31821-4-armbru@redhat.com>
Commit a9b305ba29 "socket: allow wait=false for client socket"
deprecated use of @wait for client socket chardevs, but neglected to
update char.json's doc comment. Make up for that.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200317115459.31821-3-armbru@redhat.com>
A number of deprecated QMP arguments and results were missed in commit
eb22aeca65 "docs: document deprecation policy & deprecated features in
appendix" (v2.10.0):
* Commit b33945cfff "block: Accept device model name for
blockdev-open/close-tray" (v2.8.0) deprecated blockdev-open-tray,
blockdev-close-tray argument @device.
* Commit fbe2d8163e "block: Accept device model name for eject"
(v2.8.0) deprecated eject argument @device.
* Commit 70e2cb3bd7 "block: Accept device model name for
blockdev-change-medium" (v2.8.0) deprecated blockdev-change-medium
argument @device.
* Commit 7a9877a026 "block: Accept device model name for
block_set_io_throttle" (v2.8.0) deprecated block_set_io_throttle
argument @device.
* Commit c01c214b69 "block: remove all encryption handling APIs"
(v2.10.0) deprecated query-named-block-nodes result
@encryption_key_missing and query-block result @inserted member
@encryption_key_missing.
* Commit c42e8742f5 "block: Use JSON null instead of "" to disable
backing file" (v2.10.0) deprecated blockdev-add empty string
argument @backing.
Since then, we missed a few more:
* Commit 3c605f4074 "commit: Add top-node/base-node options" (v3.1.0)
deprecated block-commit arguments @base and @top.
* Commit 4db6ceb0b5 "block/dirty-bitmap: add recording and busy
properties" (v4.0.0) deprecated query-named-block-nodes result
@dirty-bitmaps member @status, not just query-block.
Make up for all that.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200317115459.31821-2-armbru@redhat.com>
An ALTERNATIVE's value can only be a type name. Arrays are not
supported, yet. The text gets it right: "The form STRING is shorthand
for { 'type': STRING }." The grammar doesn't. Fix it.
Fixes: b6c37ebaaf
Reported-by: John Snow <jsnow@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200309142638.19988-1-armbru@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
This tag contains the last of the patches I'd like to target for the 5.0 soft
freeze. At this point we're mostly collecting fixes, but there are a few new
features. The changes include:
* An OpenSBI update, including the various bits necessary to put CI together
and an image for the 32-bit sifive_u board.
* A fix that disallows TSR when outside of machine mode.
* A fix for VS-mode interrupt forwarding.
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Merge remote-tracking branch 'remotes/palmer/tags/riscv-for-master-5.0-sf5' into staging
RISC-V Patches for the 5.0 Soft Freeze, Part 5
This tag contains the last of the patches I'd like to target for the 5.0 soft
freeze. At this point we're mostly collecting fixes, but there are a few new
features. The changes include:
* An OpenSBI update, including the various bits necessary to put CI together
and an image for the 32-bit sifive_u board.
* A fix that disallows TSR when outside of machine mode.
* A fix for VS-mode interrupt forwarding.
# gpg: Signature made Tue 17 Mar 2020 03:59:58 GMT
# gpg: using RSA key 2B3C3747446843B24A943A7A2E1319F35FBB1889
# gpg: issuer "palmer@dabbelt.com"
# gpg: Good signature from "Palmer Dabbelt <palmer@dabbelt.com>" [unknown]
# gpg: aka "Palmer Dabbelt <palmer@sifive.com>" [unknown]
# gpg: aka "Palmer Dabbelt <palmerdabbelt@google.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: 00CE 76D1 8349 60DF CE88 6DF8 EF4C A150 2CCB AB41
# Subkey fingerprint: 2B3C 3747 4468 43B2 4A94 3A7A 2E13 19F3 5FBB 1889
* remotes/palmer/tags/riscv-for-master-5.0-sf5:
target/riscv: Fix VS mode interrupts forwarding.
gitlab-ci.yml: Add jobs to build OpenSBI firmware binaries
riscv: sifive_u: Update BIOS_FILENAME for 32-bit
roms: opensbi: Add 32-bit firmware image for sifive_u machine
roms: opensbi: Upgrade from v0.5 to v0.6
target/riscv: Correctly implement TSR trap
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Linux guests wait ~30 seconds when closing the emulated /dev/ttyUSB0.
During that time, the kernel driver is sending many control URBs
requesting GetModemStat (5). Real hardware returns a status with
FTDI_THRE (Transmitter Holding Register) and FTDI_TEMT (Transmitter
Empty) set. QEMU leaves them clear, and it seems Linux is waiting for
FTDI_TEMT to be set to indicate the tx queue is empty before closing.
Set the bits when responding to a GetModemStat query and avoid the
shutdown delay.
Signed-off-by: Jason Andryuk <jandryuk@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Message-id: 20200316174610.115820-5-jandryuk@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
A FTDI USB adapter on an xHCI controller can send 512 byte USB packets.
These are 8 * ( 2 bytes header + 62 bytes data). A 384 byte receive
buffer is insufficient to fill a 512 byte packet, so bump the receive
size to 496 ( 512 - 2 * 8 ).
Signed-off-by: Jason Andryuk <jandryuk@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Message-id: 20200316174610.115820-4-jandryuk@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
usb-serial has issues with xHCI controllers where data is lost in the
VM. Inspecting the URBs in the guest, EHCI starts every 64 byte boundary
(wMaxPacketSize) with a header. EHCI hands packets into
usb_serial_token_in() with size 64, so these cannot cross the 64 byte
boundary. The xHCI controller has packets of 512 bytes and the usb-serial
will just write through the 64 byte boundary. In the guest, this means
data bytes are interpreted as header, so data bytes don't make it out
the serial interface.
Re-work usb_serial_token_in to chunk data into 64 byte units - 2 byte
header and 62 bytes data. The Linux driver reads wMaxPacketSize to find
the chunk size, so we match that.
Real hardware was observed to pass in 512 byte URBs (496 bytes data +
8 * 2 byte headers). Since usb-serial only buffers 384 bytes of data,
usb-serial will pass in 6 64 byte blocks and 1 12 byte partial block for
462 bytes max.
Signed-off-by: Jason Andryuk <jandryuk@gmail.com>
Message-id: 20200316174610.115820-3-jandryuk@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
We'll be adding a loop, so move the code into a helper function. breaks
are replaced with returns. While making this change, add braces to
single line if statements to comply with coding style and keep
checkpatch happy.
Signed-off-by: Jason Andryuk <jandryuk@gmail.com>
Message-id: 20200316174610.115820-2-jandryuk@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Currently riscv_cpu_local_irq_pending is used to find out pending
interrupt and VS mode interrupts are being shifted to represent
S mode interrupts in this function. So when the cause returned by
this function is passed to riscv_cpu_do_interrupt to actually
forward the interrupt, the VS mode forwarding check does not work
as intended and interrupt is actually forwarded to hypervisor. This
patch fixes this issue.
Signed-off-by: Rajnesh Kanwal <rajnesh.kanwal49@gmail.com>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Add two GitLab jobs to build the OpenSBI firmware binaries.
The first job builds a Docker image with the packages requisite
to build OpenSBI, and stores this image in the GitLab registry.
The second job pulls the image from the registry and builds the
OpenSBI firmware binaries.
The docker image is only rebuilt if the GitLab YAML or the
Dockerfile is updated. The second job is only built when the
roms/opensbi/ submodule is updated, when a git-ref starts with
'opensbi' or when the last commit contains 'OpenSBI'. The files
generated are archived in the artifacts.zip file.
With OpenSBI v0.6, it took 2 minutes 56 seconds to build
the docker image, and 1 minute 24 seconds to generate the
artifacts.zip with the firmware binaries (filesize: 111KiB).
See: https://gitlab.com/lbmeng/qemu/pipelines/120520138
Suggested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Update BIOS_FILENAME to consider 32-bit bios image file name.
Tested booting Linux v5.5 32-bit image (built from rv32_defconfig
plus CONFIG_SOC_SIFIVE) with the default 32-bit bios image.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Although the real world SiFive HiFive Unleashed board is a 64-bit
hardware configuration, with QEMU it is possible to test 32-bit
configuration with the same hardware features.
This updates the roms Makefile to add the build rules for creating
the 32-bit OpenSBI firmware image for sifive_u machine. A pre-built
OpenSBI v0.6 image has been added as the default bios for 32-bit
sifive_u machine.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Upgrade OpenSBI from v0.5 to v0.6 and the pre-built bios images.
The v0.6 release includes the following commits:
dd8ef28 firmware: Fix compile error for FW_PAYLOAD with latest GCC binutils
98f4a20 firmware: Introduce relocation lottery
f728a0b include: Sync-up encoding with priv v1.12-draft and hypervisor v0.5-draft
18897aa include: Use _UL() and _ULL() for defines in riscv_encoding.h
7a13beb firmware: Add preferred boot HART field in struct fw_dynamic_info
215421c lib: Remove date and time from init message
838657c include: Remove ilen member of struct unpriv_trap
b1d8c98 lib: No need to set VSSTATUS.MXR bit in get_insn()
0e1322b lib: Better naming of unpriv APIs for wider use
75f903d lib: Simplify trap parameters in sbi_ecall functions
c96cc03 lib: Fix CPU capabilities detection function
ab14f94 lib: Fix probe extension
813f7f4 lib: Add error detection for misa_extension
dc40042 include: sbi_platform: fix compilation for GCC-9
bd732ae include: Add guest external interrupt related defines
6590a7d lib: Delegate guest page faults to HS-mode
4370f18 include: Extend struct sbi_trap_info for mtval2 and mtinst
086dbdf lib: Fix sbi_get_insn() for load guest page fault
2be424b lib: Extend trap redirection for hypervisor v0.5 spec
7219477 lib: Use MTINST CSR in misaligned load/store emulation
b8732fe lib: Add replacement extension and function ids
aa0ed1d lib: Remove redundant IPI types
1092663 lib: Add TIME extension in SBI
9777aee lib: Add IPI extension in SBI
9407202 lib: Add hfence instruction encoding
331ff6a lib: Support stage1 and stage2 tlb flushing
86a31f5 lib: Implement RFENCE extension
c7d1b12 firmware: Return real DTB address when FW_xyz_FDT_ADDR is not defined
9beb573 firmware: Improve comments for fw_prev_arg1() and fw_next_arg1()
fc6bd90 docs: Improve docs for FDT address passing
46a90d9 lib: utils: Support CLINT with 32bit MMIO access on RV64 system
c0849cd platform: Add T-head C910 initial support
e746673 lib: Remove unnecessary checks from init_coldboot() and init_warmboot()
c3e406f lib: Add initial sbi_exit() API
55e191e lib: Add system early_exit and final_exit APIs
6469ed1 lib: Add timer exit API
b325f6b lib: Add ipi exit API
1993182 lib: Add irqchip exit API
2aa43a1 lib: save/restore MIE CSR in sbi_hart_wait_for_coldboot()
b0c9787 lib: do sbi_exit() upon halt IPI
15ed1e7 lib: improve system reboot and shutdown implementation
73c19e6 lib: zero-out memory allocated using sbi_scratch_alloc_offset()
a67fd68 lib: Add sbi_init_count() API
049ad0b build: Use -ffreestanding
e340bbf include: Add OPENSBI_EXTERNAL_SBI_TYPES in sbi_types.h
b28b8ac docs: Add description of using OPENSBI_EXTERNAL_SBI_TYPES
adf8b73 platform: thead/c910: Remove SBI_PLATFORM_HAS_PMP
f95dd39 docs: platform: Update SiFive FU540 doc as-per U-Boot v2020.01
6ffe1be firmware: Fix placement of .align directives
7daccae platform: thead/c910: Don't enable L2 cache in warm boot
a73d45c platform: thead/c910: Don't set plic/clint address in warm boot
30cdf00 scripts: Add C910 to platform list in the binary archive script
0492c5d include: Typo fix in comment for SBI_SCRATCH_SIZE define
046cc16 lib: Move struct sbi_ipi_data definition to sbi_ipi.c
3d2aaac lib: Introduce sbi_ipi_send_smode() API
da9b76b lib: Introduce sbi_ipi_send_halt() API
a8b4b83 lib: Introduce sbi_tlb_fifo_request() API
5f762d1 lib: Introduce sbi_ipi_event_create/destroy() APIs
817d50d lib: Drop _fifo from the name of various sbi_tlb_fifo_xyz() functions
84cd4fc lib: Initialize TLB management directly from coldboot/warmboot path
0a411bf include: Add generic and simple list handling APIs
37923c4 lib: Add dynamic registration of SBI extensions
7668502 lib: Factor-out SBI legacy extension
161b348 lib: Factor-out SBI replacement extensions
43ac621 lib: Factor-out SBI vendor extension
021b9e7 lib: Factor-out SBI base extension
85647a1 platform: template: typo fix in system reboot/shutdown names
ac1c229 platform: Update UART base addresses for qemu/sifve_u
d79173b platform: Add an platform ops to return platform specific tlb flush limit
2c2bbe7 platform: sifive/fu540: Set tlb range flush limit to zero
5ff1ab0 makefile: add support for building on macOS
6d0b4c5 platform: Drop qemu/sifive_u support
9a717ec platform: sifive: fu540: Add platform specific 'make run' cmd
d6fa7f9 doc: sifive: fu540: Update QEMU instruction when using U-Boot as the payload
179edde lib: sbi_scratch: use bitwise ops in sbi_scratch_alloc_offset()
897b8fb lib: Use __builtin_ctzl() in pmp_get()
1a8ca08 lib: Initialize out value in SBI calls
c2bfa2b lib: irqchip/plic: Disable all contexts and IRQs
c2f23cc platform: Add Spike initial support
a062200 platform: Remove stale options from config.mk files
c03c8a1 scripts: Add Spike to platform list of binary archive script
29bb2a6 docs: platform: Add documentation for Spike platform
48b06ad ThirdPartyNotices: Fix doc styles
892e879 doc: coreboot: Fix doc styles
fdfb533 doc: payload_linux: Fix doc styles
44d1296 doc: andes-ae350: Fix doc styles
a8ef0b5 doc: ariane-fpga: Fix doc styles
82fd42f doc: qemu_virt: Fix doc styles
f8ce996 doc: sifive_fu540: Fix doc styles
27a5c7f doc: thead-c910: Fix doc styles
0b41453 Revert "lib: Use __builtin_ctzl() in pmp_get()"
c66543d lib: utils: htif: Fix 32-bit build
bc874e3 lib: Don't check MIDELEG and MEDELEG at end of delegate_traps()
24c3082 lib: Print interrupt and exception delegation in boot prints
66fb729 platform: sifive: fu540: Add 32-bit specific fdt/payload addresses
3e7d666 platform: qemu: virt: Correct the typo in config.mk
c3b3b8f lib: Fix typo in atomic exchange functions
3936243 lib: Use available hart mask for correct hbase value
f8b3bb8 lib: Simplify the for-loop in sbi_ipi_send_many()
ac5e821 include: Bump-up version to 0.6
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
As reported in: https://bugs.launchpad.net/qemu/+bug/1851939 we weren't
correctly handling illegal instructions based on the value of MSTATUS_TSR
and the current privledge level.
This patch fixes the issue raised in the bug by raising an illegal
instruction if TSR is set and we are in S-Mode.
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Jonathan Behrens <jonathan@fintelia.io
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
The bochs-display mmio bar has some sub-regions with the actual hardware
registers. What happens when the guest access something outside those
regions depends on the archirecture. On x86 those reads succeed (and
return 0xff I think). On risc-v qemu aborts.
This patch adds handlers for the parent region, to make the wanted
behavior explicit and to make things consistent across architectures.
v2:
- use existing unassigned_io_ops.
- also cover stdvga.
Cc: Alistair Francis <alistair23@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200309100009.17624-1-kraxel@redhat.com
The current positive limit for the saturation nonlinearity is
only correct if the type of the result has 8 bits or less.
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-id: 20200308193321.20668-5-vr_qemu@t-online.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Currently the internal float range of the mixing engine is
[-.5f, .5f]. PulseAudio, SDL2 and libasound use a [-1.f, 1.f]
range. This means with float samples the audio playback volume
is 6dB too low and audio recording signals will be clipped in
most cases.
To avoid another scaling factor in the conv_natural_float_* and
clip_natural_float_* functions with FLOAT_MIXENG defined this
patch changes the mixing engine float range to [-1.f, 1.f].
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-id: 20200308193321.20668-4-vr_qemu@t-online.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Change the clip_natural_float_from_mono() function in
audio/mixeng.c to be consistent with the clip_*_from_mono()
functions in audio/mixeng_template.h.
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-id: 20200308193321.20668-3-vr_qemu@t-online.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This patch changes the naming scheme of the FLOAT_CONV_TO and
FLOAT_CONV_FROM macros to the scheme used in mixeng_template.h.
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-id: 20200308193321.20668-2-vr_qemu@t-online.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The review for patch ed2a4a7941 "audio: proper support for
float samples in mixeng" suggested this would be a good idea.
Acked-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Tested-by: John Arbuckle <programmingkidx@gmail.com>
Message-id: 20200308193321.20668-1-vr_qemu@t-online.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
We will migrate parts of dirty pages backgroud lively during the gap time
of two checkpoints, without this modification, it will not work
because ram_save_iterate() will check it before send RAM_SAVE_FLAG_EOS
at the end of it.
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Message-Id: <20200224065414.36524-7-zhang.zhanghailiang@huawei.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
It is only need to record bitmap of dirty pages while goes
into COLO stage.
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Message-Id: <20200224065414.36524-6-zhang.zhanghailiang@huawei.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This patch will reduce the downtime of VM for the initial process,
Previously, we copied all these memory in preparing stage of COLO
while we need to stop VM, which is a time-consuming process.
Here we optimize it by a trick, back-up every page while in migration
process while COLO is enabled, though it affects the speed of the
migration, but it obviously reduce the downtime of back-up all SVM'S
memory in COLO preparing stage.
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Message-Id: <20200224065414.36524-5-zhang.zhanghailiang@huawei.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
minor typo fixes
Currently, if the bytes_dirty_period is more than the 50% of
bytes_xfer_period, we start or increase throttling.
If we make this percentage higher, then we can tolerate higher
dirty rate during migration, which means less impact on guest.
The side effect of higher percentage is longer migration time.
We can make this parameter configurable to switch between mig-
ration time first or guest performance first.
The default value is 50 and valid range is 1 to 100.
Signed-off-by: Keqian Zhu <zhukeqian1@huawei.com>
Message-Id: <20200224023142.39360-1-zhukeqian1@huawei.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
There were one error on the test (missing an s for --exists).
But we really need a recent zstd (1.4.0).
Thanks to Michal Privoznik to provide the right vension.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reported-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200310111431.173151-1-quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
* Fix various bugs that might result in an assert() due to
incorrect hflags for M-profile CPUs
* Fix Aspeed SMC Controller user-mode select handling
* Report correct (with-tag) address in fault address register
when TBI is enabled
* cubieboard: make sure SOC object isn't leaked
* fsl-imx25: Wire up eSDHC controllers
* fsl-imx25: Wire up USB controllers
* New board model: orangepi-pc (OrangePi PC)
* ARM/KVM: if user doesn't select GIC version and the
host kernel can only provide GICv3, use that, rather
than defaulting to "fail because GICv2 isn't possible"
* kvm: Only do KVM_SET_VCPU_EVENTS at the last stage of sync
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20200312' into staging
target-arm queue:
* Fix various bugs that might result in an assert() due to
incorrect hflags for M-profile CPUs
* Fix Aspeed SMC Controller user-mode select handling
* Report correct (with-tag) address in fault address register
when TBI is enabled
* cubieboard: make sure SOC object isn't leaked
* fsl-imx25: Wire up eSDHC controllers
* fsl-imx25: Wire up USB controllers
* New board model: orangepi-pc (OrangePi PC)
* ARM/KVM: if user doesn't select GIC version and the
host kernel can only provide GICv3, use that, rather
than defaulting to "fail because GICv2 isn't possible"
* kvm: Only do KVM_SET_VCPU_EVENTS at the last stage of sync
# gpg: Signature made Thu 12 Mar 2020 16:43:46 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]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* remotes/pmaydell/tags/pull-target-arm-20200312: (36 commits)
target/arm: kvm: Inject events at the last stage of sync
hw/arm/virt: kvm: allow gicv3 by default if v2 cannot work
hw/arm/virt: kvm: Restructure finalize_gic_version()
target/arm/kvm: Let kvm_arm_vgic_probe() return a bitmap
hw/arm/virt: Introduce finalize_gic_version()
hw/arm/virt: Introduce VirtGICType enum type
hw/arm/virt: Document 'max' value in gic-version property description
docs: add Orange Pi PC document
tests/boot_linux_console: Test booting NetBSD via U-Boot on OrangePi PC
tests/boot_linux_console: Add a SLOW test booting Ubuntu on OrangePi PC
tests/boot_linux_console: Add a SD card test for the OrangePi PC board
tests/boot_linux_console: Add initrd test for the Orange Pi PC board
tests/boot_linux_console: Add a quick test for the OrangePi PC board
hw/arm/allwinner: add RTC device support
hw/arm/allwinner-h3: add SDRAM controller device
hw/arm/allwinner-h3: add Boot ROM support
hw/arm/allwinner-h3: add EMAC ethernet device
hw/arm/allwinner: add SD/MMC host controller
hw/arm/allwinner: add Security Identifier device
hw/arm/allwinner: add CPU Configuration module
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
KVM_SET_VCPU_EVENTS might actually lead to vcpu registers being modified.
As such this should be the last step of sync to avoid potential overwriting
of whatever changes KVM might have done.
Signed-off-by: Beata Michalska <beata.michalska@linaro.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 20200312003401.29017-2-beata.michalska@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
At the moment if the end-user does not specify the gic-version along
with KVM acceleration, v2 is set by default. However most of the
systems now have GICv3 and sometimes they do not support GICv2
compatibility.
This patch keeps the default v2 selection in all cases except
in the KVM accelerated mode when either
- the host does not support GICv2 in-kernel emulation or
- number of VCPUS exceeds 8.
Those cases did not work anyway so we do not break any compatibility.
Now we get v3 selected in such a case.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reported-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 20200311131618.7187-7-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Restructure the finalize_gic_version with switch cases and
clearly separate the following cases:
- KVM mode / in-kernel irqchip
- KVM mode / userspace irqchip
- TCG mode
In KVM mode / in-kernel irqchip , we explictly check whether
the chosen version is supported by the host. If the end-user
explicitly sets v2/v3 and this is not supported by the host,
then the user gets an explicit error message. Note that for
old kernels where the CREATE_DEVICE ioctl doesn't exist then
we will now fail if the user specifically asked for gicv2,
where previously we (probably) would have succeeded.
In KVM mode / userspace irqchip we immediatly output an error
in case the end-user explicitly selected v3. Also we warn the
end-user about the unexpected usage of gic-version=host in
that case as only userspace GICv2 is supported.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 20200311131618.7187-6-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Convert kvm_arm_vgic_probe() so that it returns a
bitmap of supported in-kernel emulation VGIC versions instead
of the max version: at the moment values can be v2 and v3.
This allows to expose the case where the host GICv3 also
supports GICv2 emulation. This will be useful to choose the
default version in KVM accelerated mode.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200311131618.7187-5-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Let's move the code which freezes which gic-version to
be applied in a dedicated function. We also now set by
default the VIRT_GIC_VERSION_NO_SET. This eventually
turns into the legacy v2 choice in the finalize() function.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 20200311131618.7187-4-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
We plan to introduce yet another value for the gic version (nosel).
As we already use exotic values such as 0 and -1, let's introduce
a dedicated enum type and let vms->gic_version take this
type.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 20200311131618.7187-3-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Mention 'max' value in the gic-version property description.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 20200311131618.7187-2-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
