Richard Henderson [Wed, 28 Jun 2023 15:29:53 +0000 (17:29 +0200)]
Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging
Block layer patches
- Re-enable the graph lock
- More fixes to coroutine_fn marking
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# gpg: Signature made Wed 28 Jun 2023 04:13:56 PM CEST
# gpg: using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg: issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
* tag 'for-upstream' of https://repo.or.cz/qemu/kevin: (23 commits)
block: use bdrv_co_debug_event in coroutine context
block: use bdrv_co_getlength in coroutine context
qcow2: mark more functions as coroutine_fns and GRAPH_RDLOCK
vhdx: mark more functions as coroutine_fns and GRAPH_RDLOCK
vmdk: mark more functions as coroutine_fns and GRAPH_RDLOCK
dmg: mark more functions as coroutine_fns and GRAPH_RDLOCK
cloop: mark more functions as coroutine_fns and GRAPH_RDLOCK
block: mark another function as coroutine_fns and GRAPH_UNLOCKED
bochs: mark more functions as coroutine_fns and GRAPH_RDLOCK
vpc: mark more functions as coroutine_fns and GRAPH_RDLOCK
qed: mark more functions as coroutine_fns and GRAPH_RDLOCK
file-posix: remove incorrect coroutine_fn calls
Revert "graph-lock: Disable locking for now"
graph-lock: Unlock the AioContext while polling
blockjob: Fix AioContext locking in block_job_add_bdrv()
block: Fix AioContext locking in bdrv_open_backing_file()
block: Fix AioContext locking in bdrv_open_inherit()
block: Fix AioContext locking in bdrv_reopen_parse_file_or_backing()
block: Fix AioContext locking in bdrv_attach_child_common()
block: Fix AioContext locking in bdrv_open_child()
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Wed, 28 Jun 2023 13:55:54 +0000 (15:55 +0200)]
Merge tag 'qemu-sparc-20230628' of https://github.com/mcayland/qemu into staging
qemu-sparc queue
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# gpg: Signature made Wed 28 Jun 2023 01:40:09 PM CEST
# gpg: using RSA key CC621AB98E82200D915CC9C45BC2C56FAE0F321F
# gpg: issuer "mark.cave-ayland@ilande.co.uk"
# gpg: Good signature from "Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>" [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: CC62 1AB9 8E82 200D 915C C9C4 5BC2 C56F AE0F 321F
* tag 'qemu-sparc-20230628' of https://github.com/mcayland/qemu:
escc: emulate dip switch language layout settings on SUN keyboard
target/sparc: Use tcg_gen_lookup_and_goto_ptr for v9 WRASI
target/sparc: Use DYNAMIC_PC_LOOKUP for v9 RETURN
target/sparc: Use DYNAMIC_PC_LOOKUP for JMPL
target/sparc: Use DYNAMIC_PC_LOOKUP for conditional branches
target/sparc: Introduce DYNAMIC_PC_LOOKUP
target/sparc: Drop inline markers from translate.c
target/sparc: Fix npc comparison in sparc_tr_insn_start
target/sparc: Use tcg_gen_lookup_and_goto_ptr in gen_goto_tb
Revert "hw/sparc64/niagara: Use blk_name() instead of open-coding it"
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Ani Sinha [Wed, 28 Jun 2023 11:28:04 +0000 (16:58 +0530)]
net/vhost-net: do not assert on null pointer return from tap_get_vhost_net()
When 'vhost=off' or no vhost specific options at all are passed for the tap
net-device backend, tap_get_vhost_net() can return NULL. The function
net_init_tap_one() does not call vhost_net_init() on such cases and therefore
vhost_net pointer within the tap device state structure remains NULL. Hence,
assertion here on a NULL pointer return from tap_get_vhost_net() would not be
correct. Remove it and fix the crash generated by qemu upon initialization in
the following call chain :
Reviewed-by: Cédric Le Goater <clg@redhat.com> Tested-by: Cédric Le Goater <clg@redhat.com> Fixes: 0e994668d00c9c ("vhost_net: add an assertion for TAP client backends") Reported-by: Cédric Le Goater <clg@redhat.com>
Report: <abab7a71-216d-b103-fa47-70bdf9dc0080@redhat.com> Signed-off-by: Ani Sinha <anisinha@redhat.com>
Message-Id: <20230628112804.36676-1-anisinha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Henrik Carlqvist [Fri, 23 Jun 2023 18:30:07 +0000 (20:30 +0200)]
escc: emulate dip switch language layout settings on SUN keyboard
SUN Type 4, 5 and 5c keyboards have dip switches to choose the language layout
of the keyboard. Solaris makes an ioctl to query the value of the dipswitches
and uses that value to select keyboard layout. Also the SUN bios like the one
in the file ss5.bin uses this value to support at least some keyboard layouts.
However, the OpenBIOS provided with qemu is hardcoded to always use an US
keyboard layout.
Before this patch, qemu allways gave dip switch value 0x21 (US keyboard),
this patch uses a command line switch like
"-global escc.chnA-sunkbd-layout=de" to select dip switch value. A table is
used to lookup values from arguments like:
Both values above are the same and select swedish keyboard as explained in
table 3-15 at
https://docs.oracle.com/cd/E19683-01/806-6642/new-43/index.html
Unless you want to do a full Solaris installation but happen to have
access to a Sun bios file, the easiest way to test that the patch works
is to:
If you already happen to have a Solaris installation in a qemu disk image
file you can easily try different keyboard layouts after this patch is
applied.
Signed-off-by: Henrik Carlqvist <hc1245@poolhem.se>
Message-Id: <20230623203007.56d3d182.hc981@poolhem.se> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
[MCA edit: update unsigned char to uint8_t, fix spacing issues] Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Richard Henderson [Wed, 28 Jun 2023 07:12:02 +0000 (09:12 +0200)]
target/sparc: Use tcg_gen_lookup_and_goto_ptr for v9 WRASI
We incorporate %asi into tb->flags so that we may generate
inline code for the many ASIs for which it is easy to do so.
Setting %asi is common for e.g. memcpy and memset performing
block copy and clear, so it is worth noticing this case.
We must end the TB but do not need to return to the main loop.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230628071202.230991-9-richard.henderson@linaro.org> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Richard Henderson [Wed, 28 Jun 2023 07:12:01 +0000 (09:12 +0200)]
target/sparc: Use DYNAMIC_PC_LOOKUP for v9 RETURN
After the register window unwind, this is for a plain indirect
branch with no further side effects.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230628071202.230991-8-richard.henderson@linaro.org> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Richard Henderson [Wed, 28 Jun 2023 07:12:00 +0000 (09:12 +0200)]
target/sparc: Use DYNAMIC_PC_LOOKUP for JMPL
This is for a plain indirect branch with no other side effects.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230628071202.230991-7-richard.henderson@linaro.org> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Richard Henderson [Wed, 28 Jun 2023 07:11:59 +0000 (09:11 +0200)]
target/sparc: Use DYNAMIC_PC_LOOKUP for conditional branches
When resolving JUMP_PC, we know this is for a plain branch
with no other side effects.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230628071202.230991-6-richard.henderson@linaro.org> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Richard Henderson [Wed, 28 Jun 2023 07:11:58 +0000 (09:11 +0200)]
target/sparc: Introduce DYNAMIC_PC_LOOKUP
Create a new artificial "next pc" which also indicates
that nothing has changed within the cpu state which
requires returning to the main loop.
Pipe this new value though all pc/npc checks.
Do not produce this new value yet.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230628071202.230991-5-richard.henderson@linaro.org> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Richard Henderson [Wed, 28 Jun 2023 07:11:57 +0000 (09:11 +0200)]
target/sparc: Drop inline markers from translate.c
Let the compiler decide about inlining.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230628071202.230991-4-richard.henderson@linaro.org> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Richard Henderson [Wed, 28 Jun 2023 07:11:56 +0000 (09:11 +0200)]
target/sparc: Fix npc comparison in sparc_tr_insn_start
During translation, npc == address, DYNAMIC_PC, or JUMP_PC.
It is only the encoding between here and sparc_restore_state_to_opc
that considers JUMP_PC to be a bit within a larger value.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230628071202.230991-3-richard.henderson@linaro.org> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Richard Henderson [Wed, 28 Jun 2023 07:11:55 +0000 (09:11 +0200)]
target/sparc: Use tcg_gen_lookup_and_goto_ptr in gen_goto_tb
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230628071202.230991-2-richard.henderson@linaro.org> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
This commit breaks "-drive if=pflash,readonly=on,file=image.iso". It
claims to merely replace an open-coded version of blk_name() by a
call, but that's not the case. Sorry for the inconvenience!
Reported-by: Jakub Jermář <jakub@jermar.eu> Cc: qemu-stable@nongnu.org Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230515151104.1350155-1-armbru@redhat.com> Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Richard Henderson [Wed, 28 Jun 2023 09:44:12 +0000 (11:44 +0200)]
Merge tag 'nvme-next-pull-request' of https://gitlab.com/birkelund/qemu into staging
hw/nvme updates
Small set of fixes and some updates for the FDP support.
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# gpg: Signature made Wed 28 Jun 2023 11:24:14 AM CEST
# 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
* tag 'nvme-next-pull-request' of https://gitlab.com/birkelund/qemu:
docs: update hw/nvme documentation for TP4146
hw/nvme: add placement handle list ranges
hw/nvme: verify uniqueness of reclaim unit handle identifiers
hw/nvme: fix verification of number of ruhis
hw/nvme: check maximum copy length (MCL) for COPY
hw/nvme: consider COPY command in nvme_aio_err
hw/nvme: add comment for nvme-ns properties
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Klaus Jensen [Wed, 24 May 2023 09:28:34 +0000 (11:28 +0200)]
hw/nvme: fix verification of number of ruhis
Fix a off-by-one error when verifying the number of reclaim unit handle
identifiers specified in fdp.ruhs. To make the fix nicer, move the
verification of the fdp.nruh parameter to an earlier point.
Fixes: 73064edfb864 ("hw/nvme: flexible data placement emulation") Reviewed-by: Jesper Wendel Devantier <j.devantier@samsung.com> Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Minwoo Im [Tue, 18 Apr 2023 00:26:22 +0000 (09:26 +0900)]
hw/nvme: check maximum copy length (MCL) for COPY
MCL(Maximum Copy Length) in the Identify Namespace data structure limits
the number of LBAs to be copied inside of the controller. We've not
checked it at all, so added the check with returning the proper error
status.
Signed-off-by: Minwoo Im <minwoo.im@samsung.com> Reviewed-by: Klaus Jensen <k.jensen@samsung.com> Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Minwoo Im [Tue, 18 Apr 2023 00:26:21 +0000 (09:26 +0900)]
hw/nvme: consider COPY command in nvme_aio_err
If we don't have NVME_CMD_COPY consideration in the switch statement in
nvme_aio_err(), it will go to have NVME_INTERNAL_DEV_ERROR and
`req->status` will be ovewritten to it. During the aio context, it
might set the NVMe status field like NVME_CMD_SIZE_LIMIT, but it's
overwritten in the nvme_aio_err().
Add consideration for the NVME_CMD_COPY not to overwrite the status at
the end of the function.
Signed-off-by: Minwoo Im <minwoo.im@samsung.com> Reviewed-by: Klaus Jensen <k.jensen@samsung.com> Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Paolo Bonzini [Thu, 1 Jun 2023 11:51:45 +0000 (13:51 +0200)]
block: use bdrv_co_debug_event in coroutine context
bdrv_co_debug_event was recently introduced, with bdrv_debug_event
becoming a wrapper for use in unknown context. Because most of the
time bdrv_debug_event is used on a BdrvChild via the wrapper macro
BLKDBG_EVENT, introduce a similar macro BLKDBG_CO_EVENT that calls
bdrv_co_debug_event, and switch whenever possible.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20230601115145.196465-13-pbonzini@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Thu, 1 Jun 2023 11:51:44 +0000 (13:51 +0200)]
block: use bdrv_co_getlength in coroutine context
bdrv_co_getlength was recently introduced, with bdrv_getlength becoming
a wrapper for use in unknown context. Switch to bdrv_co_getlength when
possible.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20230601115145.196465-12-pbonzini@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Thu, 1 Jun 2023 11:51:43 +0000 (13:51 +0200)]
qcow2: mark more functions as coroutine_fns and GRAPH_RDLOCK
Mark functions as coroutine_fn when they are only called by other coroutine_fns
and they can suspend. Change calls to co_wrappers to use the non-wrapped
functions, which in turn requires adding GRAPH_RDLOCK annotations.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20230601115145.196465-11-pbonzini@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Thu, 1 Jun 2023 11:51:42 +0000 (13:51 +0200)]
vhdx: mark more functions as coroutine_fns and GRAPH_RDLOCK
Mark functions as coroutine_fn when they are only called by other coroutine_fns
and they can suspend. Change calls to co_wrappers to use the non-wrapped
functions, which in turn requires adding GRAPH_RDLOCK annotations.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20230601115145.196465-10-pbonzini@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Thu, 1 Jun 2023 11:51:41 +0000 (13:51 +0200)]
vmdk: mark more functions as coroutine_fns and GRAPH_RDLOCK
Mark functions as coroutine_fn when they are only called by other coroutine_fns
and they can suspend. Change calls to co_wrappers to use the non-wrapped
functions, which in turn requires adding GRAPH_RDLOCK annotations.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20230601115145.196465-9-pbonzini@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Thu, 1 Jun 2023 11:51:40 +0000 (13:51 +0200)]
dmg: mark more functions as coroutine_fns and GRAPH_RDLOCK
Mark functions as coroutine_fn when they are only called by other coroutine_fns
and they can suspend. Change calls to co_wrappers to use the non-wrapped
functions, which in turn requires adding GRAPH_RDLOCK annotations.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20230601115145.196465-8-pbonzini@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Thu, 1 Jun 2023 11:51:39 +0000 (13:51 +0200)]
cloop: mark more functions as coroutine_fns and GRAPH_RDLOCK
Mark functions as coroutine_fn when they are only called by other coroutine_fns
and they can suspend. Change calls to co_wrappers to use the non-wrapped
functions, which in turn requires adding GRAPH_RDLOCK annotations.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20230601115145.196465-7-pbonzini@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Thu, 1 Jun 2023 11:51:38 +0000 (13:51 +0200)]
block: mark another function as coroutine_fns and GRAPH_UNLOCKED
Mark functions as coroutine_fn when they are only called by other coroutine_fns
and they can suspend. Because this function operates on a BlockBackend, mark it
GRAPH_UNLOCKED.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20230601115145.196465-6-pbonzini@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Thu, 1 Jun 2023 11:51:37 +0000 (13:51 +0200)]
bochs: mark more functions as coroutine_fns and GRAPH_RDLOCK
Mark functions as coroutine_fn when they are only called by other coroutine_fns
and they can suspend. Change calls to co_wrappers to use the non-wrapped
functions, which in turn requires adding GRAPH_RDLOCK annotations.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20230601115145.196465-5-pbonzini@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Thu, 1 Jun 2023 11:51:36 +0000 (13:51 +0200)]
vpc: mark more functions as coroutine_fns and GRAPH_RDLOCK
Mark functions as coroutine_fn when they are only called by other coroutine_fns
and they can suspend. Change calls to co_wrappers to use the non-wrapped
functions, which in turn requires adding GRAPH_RDLOCK annotations.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20230601115145.196465-4-pbonzini@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Thu, 1 Jun 2023 11:51:35 +0000 (13:51 +0200)]
qed: mark more functions as coroutine_fns and GRAPH_RDLOCK
Mark functions as coroutine_fn when they are only called by other coroutine_fns
and they can suspend. Change calls to co_wrappers to use the non-wrapped
functions, which in turn requires adding GRAPH_RDLOCK annotations.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20230601115145.196465-3-pbonzini@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Thu, 1 Jun 2023 11:51:34 +0000 (13:51 +0200)]
file-posix: remove incorrect coroutine_fn calls
raw_co_getlength is called by handle_aiocb_write_zeroes, which is not a coroutine
function. This is harmless because raw_co_getlength does not actually suspend,
but in the interest of clarity make it a non-coroutine_fn that is just wrapped
by the coroutine_fn raw_co_getlength. Likewise, check_cache_dropped was only
a coroutine_fn because it called raw_co_getlength, so it can be made non-coroutine
as well.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20230601115145.196465-2-pbonzini@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Kevin Wolf [Mon, 5 Jun 2023 08:57:11 +0000 (10:57 +0200)]
Revert "graph-lock: Disable locking for now"
Now that bdrv_graph_wrlock() temporarily drops the AioContext lock that
its caller holds, it can poll without causing deadlocks. We can now
re-enable graph locking.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230605085711.21261-12-kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Kevin Wolf [Mon, 5 Jun 2023 08:57:10 +0000 (10:57 +0200)]
graph-lock: Unlock the AioContext while polling
If the caller keeps the AioContext lock for a block node in an iothread,
polling in bdrv_graph_wrlock() deadlocks if the condition isn't
fulfilled immediately.
Now that all callers make sure to actually have the AioContext locked
when they call bdrv_replace_child_noperm() like they should, we can
change bdrv_graph_wrlock() to take a BlockDriverState whose AioContext
lock the caller holds (NULL if it doesn't) and unlock it temporarily
while polling.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230605085711.21261-11-kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Kevin Wolf [Mon, 5 Jun 2023 08:57:09 +0000 (10:57 +0200)]
blockjob: Fix AioContext locking in block_job_add_bdrv()
bdrv_root_attach_child() requires callers to hold the AioContext lock
for child_bs. Take it in block_job_add_bdrv() before calling the
function.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230605085711.21261-10-kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Kevin Wolf [Mon, 5 Jun 2023 08:57:08 +0000 (10:57 +0200)]
block: Fix AioContext locking in bdrv_open_backing_file()
bdrv_set_backing() requires the caller to hold the AioContext lock for
@backing_hd. Take it in bdrv_open_backing_file() before calling the
function.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230605085711.21261-9-kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Kevin Wolf [Mon, 5 Jun 2023 08:57:07 +0000 (10:57 +0200)]
block: Fix AioContext locking in bdrv_open_inherit()
bdrv_open_inherit() calls several functions for which it needs to hold
the AioContext lock, but currently doesn't. This includes calls in
bdrv_append_temp_snapshot(), for which bdrv_open_inherit() is the only
caller. Fix the locking in these places.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230605085711.21261-8-kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Kevin Wolf [Mon, 5 Jun 2023 08:57:06 +0000 (10:57 +0200)]
block: Fix AioContext locking in bdrv_reopen_parse_file_or_backing()
bdrv_set_file_or_backing_noperm() requires the caller to hold the
AioContext lock for the child node, but we hold the one for the parent
node in bdrv_reopen_parse_file_or_backing(). Take the other one
temporarily.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230605085711.21261-7-kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Kevin Wolf [Mon, 5 Jun 2023 08:57:05 +0000 (10:57 +0200)]
block: Fix AioContext locking in bdrv_attach_child_common()
The function can move the child node to a different AioContext. In this
case, it also must take the AioContext lock for the new context before
calling functions that require the caller to hold the AioContext for the
child node.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230605085711.21261-6-kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Kevin Wolf [Mon, 5 Jun 2023 08:57:04 +0000 (10:57 +0200)]
block: Fix AioContext locking in bdrv_open_child()
bdrv_attach_child() requires that the caller holds the AioContext lock
for the new child node. Take it in bdrv_open_child() and document that
the caller must not hold any AioContext apart from the main AioContext.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230605085711.21261-5-kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Kevin Wolf [Mon, 5 Jun 2023 08:57:03 +0000 (10:57 +0200)]
test-block-iothread: Lock AioContext for blk_insert_bs()
blk_insert_bs() requires that callers hold the AioContext lock for the
node that should be inserted. Take it.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230605085711.21261-4-kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Kevin Wolf [Mon, 5 Jun 2023 08:57:02 +0000 (10:57 +0200)]
qdev-properties-system: Lock AioContext for blk_insert_bs()
blk_insert_bs() requires that callers hold the AioContext lock for the
node that should be inserted. Take it.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230605085711.21261-3-kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Kevin Wolf [Mon, 5 Jun 2023 08:57:01 +0000 (10:57 +0200)]
iotests: Test active commit with iothread and background I/O
This is a better regression test for the bugs hidden by commit 80fc5d26
('graph-lock: Disable locking for now'). With that commit reverted, it
hangs instantaneously and reliably for me.
It is important to have a reliable test like this, because the following
commits will set out to fix the actual root cause of the deadlocks and
then finally revert commit 80fc5d26, which was only a stopgap solution.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230605085711.21261-2-kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* tag 'ui-pull-request' of https://gitlab.com/marcandre.lureau/qemu: (33 commits)
ui/dbus: use shared D3D11 Texture2D when possible
virtio-gpu-virgl: use D3D11_SHARE_TEXTURE when available
ui: add optional d3d texture pointer to scanout texture
ui/egl: query ANGLE d3d device
virtio-gpu-virgl: teach it to get the QEMU EGL display
ui/dbus: add some GL traces
ui/dbus: add GL support on win32
ui: add egl_fb_read_rect()
ui/egl: default to GLES on windows
ui: add egl-headless support on win32
ui/dbus: use shared memory when possible on win32
virtio-gpu/win32: allocate shareable 2d resources/images
console/win32: allocate shareable display surface
ui/dbus: introduce "Interfaces" properties
tests: make dbus-display-test work on win32
qtest: add qtest_pid()
ui/dbus: win32 support
scripts: add a XML preprocessor script
ui/dbus: compile without gio/gunixfdlist.h
ui/egl: fix make_context_current() callback return value
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Marc-André Lureau [Tue, 6 Jun 2023 11:56:58 +0000 (15:56 +0400)]
ui/dbus: use shared D3D11 Texture2D when possible
When the client implements "org.qemu.Display1.Listener.Win32.D3d11" and
we are running on ANGLE/win32, share the scanout texture with the peer
process, and draw with ScanoutTexture2d/UpdateTexture2d methods.
Marc-André Lureau [Tue, 6 Jun 2023 11:56:56 +0000 (15:56 +0400)]
ui: add optional d3d texture pointer to scanout texture
The following patch will get the underlying D3D11 Texture2D from the
virgl renderer scanout. Pass it along to the texture scanout callbacks
as a priliminary step, to simplify review.
Marc-André Lureau [Tue, 6 Jun 2023 11:56:52 +0000 (15:56 +0400)]
ui/dbus: add GL support on win32
Enable usage of dbus,gl= on win32. At this point, the scanout texture is
read on the DisplaySurface memory, and the client is then updated with
the "2D" API (with shared memory if possible).
Marc-André Lureau [Tue, 6 Jun 2023 11:56:50 +0000 (15:56 +0400)]
ui/egl: default to GLES on windows
Windows GL drivers are notoriously not very good. Otoh, ANGLE provides
rock solid GLES implementation on top of direct3d. We should recommend
it and default to ES when using EGL (users can easily override this if
necessary)
Marc-André Lureau [Tue, 6 Jun 2023 11:56:48 +0000 (15:56 +0400)]
ui/dbus: use shared memory when possible on win32
When the display surface has an associated HANDLE, we can duplicate it
to the client process and let it map the memory to avoid expensive copies.
Introduce two new win32-specific methods ScanoutMap and UpdateMap. The
first is used to inform the listener about the a shared map
availability, and the second for display updates.
Marc-André Lureau [Tue, 6 Jun 2023 11:56:46 +0000 (15:56 +0400)]
console/win32: allocate shareable display surface
Introduce qemu_win32_map_alloc() and qemu_win32_map_free() to allocate
shared memory mapping. The handle can be used to share the mapping with
another process.
Teach qemu_create_displaysurface() to allocate shared memory. Following
patches will introduce other places for shared memory allocation.
Other patches for -display dbus will share the memory when possible with
the client, to avoid expensive memory copy between the processes.
Marc-André Lureau [Tue, 6 Jun 2023 11:56:45 +0000 (15:56 +0400)]
ui/dbus: introduce "Interfaces" properties
This property is similar to ``org.freedesktop.DBus.Interfaces`` property
on the bus interface: it's an array of strings listing the extra
interfaces and capabilities available, in a convenient way.
Most interfaces are implicit, as they are required. For
``org/qemu/Display1_$id``, we can list the Keyboard And Mouse
interfaces. Those could be optional.
Marc-André Lureau [Tue, 6 Jun 2023 11:56:42 +0000 (15:56 +0400)]
ui/dbus: win32 support
D-Bus doesn't support fd-passing on Windows (AF_UNIX doesn't have
SCM_RIGHTS yet, but there are other means to share objects. I have
proposed various solutions upstream, but none seem fitting enough atm).
To make the "-display dbus" work on Windows, implement an alternative
D-Bus interface where all the 'h' (FDs) arguments are replaced with
'ay' (WSASocketW data), and sockets are passed to the other end via
WSADuplicateSocket().
Marc-André Lureau [Tue, 6 Jun 2023 11:56:41 +0000 (15:56 +0400)]
scripts: add a XML preprocessor script
gdbus-codegen doesn't support conditions or pre-processing.
Rather than duplicating D-Bus interfaces for win32 adaptation, let's
have a preprocess step, so we can have platform-specific interfaces.
The python script is based on
https://github.com/peitaosu/XML-Preprocessor, with bug fixes, some
testing and replacing lxml dependency with the built-in xml module.
This preprocessing syntax style is not very common, but is similar to
the one provided by WiX (https://wixtoolset.org/docs/v3/overview/preprocessor/)
or wixl, that we adopted in QEMU for packaging the guest agent.
Marc-André Lureau [Tue, 6 Jun 2023 11:56:40 +0000 (15:56 +0400)]
ui/dbus: compile without gio/gunixfdlist.h
D-Bus on windows doesn't support fd-passing. Let's isolate the
fdlist-related code as a first step, before adding Windows support,
using another mechanism.
Marc-André Lureau [Tue, 6 Jun 2023 11:56:39 +0000 (15:56 +0400)]
ui/egl: fix make_context_current() callback return value
eglMakeCurrent() returns 1/EGL_TRUE on success. This is not what the
callback expects, where 0 indicates success.
While at it, print the EGL error to ease debugging.
As with virgl_renderer_callbacks, the return value is now checked since
version >= 4:
https://gitlab.freedesktop.org/virgl/virglrenderer/-/commit/7f09e6bf0c6ceea6727bd0049781256a28cab0e5
Dongwon Kim [Wed, 21 Jun 2023 22:27:04 +0000 (15:27 -0700)]
virtio-gpu-udmabuf: create udmabuf for blob even when iov_cnt == 1
There were often cases where a scanout blob sometimes has just 1 entry
that is linked to many pages in it. So just checking whether iov_cnt is 1
is not enough for screening small, non-scanout blobs. Therefore adding
iov_len check as well to make sure it creates an udmabuf only for a scanout
blob, which is at least bigger than one page size.
Vivek Kasireddy [Fri, 23 Jun 2023 06:04:54 +0000 (23:04 -0700)]
virtio-gpu: Make non-gl display updates work again when blob=true
In the case where the console does not have gl capability, and
if blob is set to true, make sure that the display updates still
work. Commit e86a93f55463 accidentally broke this by misplacing
the return statement (in resource_flush) causing the updates to
be silently ignored.
Zhang Huasen [Thu, 15 Jun 2023 10:35:00 +0000 (18:35 +0800)]
chardev/char-win-stdio: Support VT sequences on Windows 11 host
If the monitor or the serial port use STDIO as backend on Windows 11 host,
e.g. -nographic options is used, the monitor or the guest Linux do not
response to arrow keys.
When Windows creates a console, ENABLE_VIRTUAL_PROCESS_INPUT is disabled
by default. Arrow keys cannot be retrieved by ReadFile or ReadConsoleInput
functions.
Add ENABLE_VIRTUAL_PROCESS_INPUT to the flag which is passed to SetConsoleMode,
when opening stdio console.
Keqian Zhu [Mon, 12 Jun 2023 02:13:58 +0000 (10:13 +0800)]
virtio-gpu: Optimize 2D resource data transfer
The following points sometimes can reduce much data
to copy:
1. When width matches, we can transfer data with one
call of iov_to_buf().
2. Only the required height need to transfer, not
whole image.
Richard Henderson [Mon, 26 Jun 2023 15:40:37 +0000 (17:40 +0200)]
Merge tag 'pull-tcg-20230626' of https://gitlab.com/rth7680/qemu into staging
accel/tcg: Replace target_ulong in some APIs
accel/tcg: Remove CONFIG_PROFILER
accel/tcg: Store some tlb flags in CPUTLBEntryFull
tcg: Issue memory barriers as required for the guest memory model
tcg: Fix temporary variable in tcg_gen_gvec_andcs
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* tag 'pull-tcg-20230626' of https://gitlab.com/rth7680/qemu: (22 commits)
accel/tcg: Renumber TLB_DISCARD_WRITE
accel/tcg: Move TLB_WATCHPOINT to TLB_SLOW_FLAGS_MASK
accel/tcg: Store some tlb flags in CPUTLBEntryFull
accel/tcg: Remove check_tcg_memory_orders_compatible
tcg: Add host memory barriers to cpu_ldst.h interfaces
tcg: Do not elide memory barriers for !CF_PARALLEL in system mode
target/microblaze: Define TCG_GUEST_DEFAULT_MO
tcg: Fix temporary variable in tcg_gen_gvec_andcs
accel/tcg: remove CONFIG_PROFILER
tests/plugin: Remove duplicate insn log from libinsn.so
softfloat: use QEMU_FLATTEN to avoid mistaken isra inlining
cpu: Replace target_ulong with hwaddr in tb_invalidate_phys_addr()
accel/tcg: Replace target_ulong with vaddr in translator_*()
accel/tcg: Replace target_ulong with vaddr in *_mmu_lookup()
accel: Replace target_ulong with vaddr in probe_*()
accel/tcg: Widen pc to vaddr in CPUJumpCache
accel/tcg/cpu-exec.c: Widen pc to vaddr
accel/tcg/cputlb.c: Widen addr in MMULookupPageData
accel/tcg/cputlb.c: Widen CPUTLBEntry access functions
target: Widen pc/cs_base in cpu_get_tb_cpu_state
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Thu, 23 Feb 2023 05:17:52 +0000 (19:17 -1000)]
accel/tcg: Store some tlb flags in CPUTLBEntryFull
We have run out of bits we can use within the CPUTLBEntry comparators,
as TLB_FLAGS_MASK cannot overlap alignment.
Store slow_flags[] in CPUTLBEntryFull, and merge with the flags from
the comparator. A new TLB_FORCE_SLOW bit is set within the comparator
as an indication that the slow path must be used.
Move TLB_BSWAP to TLB_SLOW_FLAGS_MASK. Since we are out of bits,
we cannot create a new bit without moving an old one.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Mon, 19 Jun 2023 09:08:41 +0000 (11:08 +0200)]
target/microblaze: Define TCG_GUEST_DEFAULT_MO
The microblaze architecture does not reorder instructions.
While there is an MBAR wait-for-data-access instruction,
this concerns synchronizing with DMA.
This should have been defined when enabling MTTCG.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Edgar E. Iglesias <edgar@zeroasic.com> Fixes: d449561b130 ("configure: microblaze: Enable mttcg") Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Max Chou [Thu, 22 Jun 2023 16:16:24 +0000 (00:16 +0800)]
tcg: Fix temporary variable in tcg_gen_gvec_andcs
The 5th parameter of tcg_gen_gvec_2s should be replaced by the
temporary tmp variable in the tcg_gen_gvec_andcs function.
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Signed-off-by: Max Chou <max.chou@sifive.com>
Message-Id: <20230622161646.32005-9-max.chou@sifive.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Fei Wu [Wed, 7 Jun 2023 12:24:02 +0000 (20:24 +0800)]
accel/tcg: remove CONFIG_PROFILER
TBStats will be introduced to replace CONFIG_PROFILER totally, here
remove all CONFIG_PROFILER related stuffs first.
Signed-off-by: Vanderson M. do Rosario <vandersonmr2@gmail.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Fei Wu <fei2.wu@intel.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230607122411.3394702-2-fei2.wu@intel.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sat, 10 Jun 2023 17:19:59 +0000 (10:19 -0700)]
tests/plugin: Remove duplicate insn log from libinsn.so
This is a perfectly natural occurrence for x86 "rep movb",
where the "rep" prefix forms a counted loop of the one insn.
During the tests/tcg/multiarch/memory test, this logging is
triggered over 350000 times. Within the context of cross-i386-tci
build, which is already slow by nature, the logging is sufficient
to push the test into timeout.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Anton Johansson [Wed, 21 Jun 2023 13:56:33 +0000 (15:56 +0200)]
cpu: Replace target_ulong with hwaddr in tb_invalidate_phys_addr()
Signed-off-by: Anton Johansson <anjo@rev.ng> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230621135633.1649-13-anjo@rev.ng> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Anton Johansson [Wed, 21 Jun 2023 13:56:31 +0000 (15:56 +0200)]
accel/tcg: Replace target_ulong with vaddr in translator_*()
Use vaddr for guest virtual address in translator_use_goto_tb() and
translator_loop().
Signed-off-by: Anton Johansson <anjo@rev.ng> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230621135633.1649-11-anjo@rev.ng> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Anton Johansson [Wed, 21 Jun 2023 13:56:30 +0000 (15:56 +0200)]
accel/tcg: Replace target_ulong with vaddr in *_mmu_lookup()
Update atomic_mmu_lookup() and cpu_mmu_lookup() to take the guest
virtual address as a vaddr instead of a target_ulong.
Signed-off-by: Anton Johansson <anjo@rev.ng> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230621135633.1649-10-anjo@rev.ng> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Anton Johansson [Wed, 21 Jun 2023 13:56:29 +0000 (15:56 +0200)]
accel: Replace target_ulong with vaddr in probe_*()
Functions for probing memory accesses (and functions that call these)
are updated to take a vaddr for guest virtual addresses over
target_ulong.
Signed-off-by: Anton Johansson <anjo@rev.ng> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230621135633.1649-9-anjo@rev.ng> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Anton Johansson [Wed, 21 Jun 2023 13:56:28 +0000 (15:56 +0200)]
accel/tcg: Widen pc to vaddr in CPUJumpCache
Related functions dealing with the jump cache are also updated.
Signed-off-by: Anton Johansson <anjo@rev.ng> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230621135633.1649-8-anjo@rev.ng> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Anton Johansson [Wed, 21 Jun 2023 13:56:27 +0000 (15:56 +0200)]
accel/tcg/cpu-exec.c: Widen pc to vaddr
Signed-off-by: Anton Johansson <anjo@rev.ng> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230621135633.1649-7-anjo@rev.ng> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Anton Johansson [Wed, 21 Jun 2023 13:56:26 +0000 (15:56 +0200)]
accel/tcg/cputlb.c: Widen addr in MMULookupPageData
Functions accessing MMULookupPageData are also updated.
Signed-off-by: Anton Johansson <anjo@rev.ng> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230621135633.1649-6-anjo@rev.ng> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Anton Johansson <anjo@rev.ng> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230621135633.1649-5-anjo@rev.ng> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Anton Johansson [Wed, 21 Jun 2023 13:56:24 +0000 (15:56 +0200)]
target: Widen pc/cs_base in cpu_get_tb_cpu_state
Signed-off-by: Anton Johansson <anjo@rev.ng> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230621135633.1649-4-anjo@rev.ng> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
projects / users / dwmw2 / qemu.git / log