Commit Graph

95334 Commits

Author SHA1 Message Date
Richard Henderson
5dfb910d91 target/nios2: Clean up nios2_cpu_dump_state
Do not print control registers for user-only mode.
Rename reserved control registers to "resN", where
N is the control register index.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-24-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
b8f036a9fa target/nios2: Split control registers away from general registers
Place the control registers into their own array, env->ctrl[].

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-23-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
e237ac34db target/nios2: Remove cpu_interrupts_enabled
This function is unused.  The real computation of this value
is located in nios2_cpu_exec_interrupt.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-22-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
dd4c6ee227 linux-user/nios2: Only initialize SP and PC in target_cpu_copy_regs
Drop the set of estatus in init_thread; it was clearly intended
to be setting the value of CR_STATUS for the application, but we
never actually performed that copy.  However, the proper value is
set in nios2_cpu_reset so we don't need to do anything here.

We only initialize SP and EA in init_thread, there's no value in
copying other uninitialized data into ENV.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-21-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
f1ec078f9a target/nios2: Do not create TCGv for control registers
We don't need to reference them often, and when we do it
is just as easy to load/store from cpu_env directly.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-20-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
48da43b258 target/nios2: Fix BRET instruction
We had failed to copy BSTATUS back to STATUS, and diagnose
supervisor-only.  The spec is light on the specifics of the
implementation of bret, but it is an easy assumption that
the restore into STATUS should work the same as eret.

Therefore, reuse the existing helper_eret.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-19-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Amir Gonnen
8d855c89d1 target/nios2: Split out helper for eret instruction
The implementation of eret will become much more complex
with the introduction of shadow registers.

[rth: Split out of a larger patch for shadow register sets.
      Directly exit to the cpu loop from the helper.]

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Amir Gonnen <amir.gonnen@neuroblade.ai>
Message-Id: <20220303153906.2024748-3-amir.gonnen@neuroblade.ai>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-18-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
17a406eec5 target/nios2: Split PC out of env->regs[]
It is cleaner to have a separate name for this variable.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-17-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Amir Gonnen
5ea3e9975b target/nios2: Add NUM_GP_REGS and NUM_CP_REGS
Split NUM_CORE_REGS into components that can be used elsewhere.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Amir Gonnen <amir.gonnen@neuroblade.ai>
Message-Id: <20220303153906.2024748-3-amir.gonnen@neuroblade.ai>
[rth: Split out of a larger patch for shadow register sets.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-16-richard.henderson@linaro.org>
2022-04-26 08:16:41 -07:00
Richard Henderson
48b7eac207 target/nios2: Stop generating code if gen_check_supervisor fails
Whether the cpu is in user-mode or not is something that we
know at translation-time.  We do not need to generate code
after having raised an exception.

Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-15-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Amir Gonnen
b106e7b7e4 target/nios2: Check supervisor on eret
eret instruction is only allowed in supervisor mode.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Amir Gonnen <amir.gonnen@neuroblade.ai>
Message-Id: <20220303153906.2024748-2-amir.gonnen@neuroblade.ai>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-14-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
3a0a43ec3c linux-user/nios2: Use force_sig_fault for EXCP_DEBUG
Use the simpler signal interface, which forces us to supply
the missing PC value to si_addr.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220421151735.31996-13-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
d2a11b40a4 target/nios2: Build helper.c for system only
Remove the #ifdef !defined(CONFIG_USER_ONLY) that surrounds
the whole file, and move helper.c to nios2_softmmu_ss.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220421151735.31996-12-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
fb4de9d235 target/nios2: Remove nios2_cpu_record_sigsegv
Since f5ef0e518d, we have a real page mapped for kuser,
which means the special casing for SIGSEGV can go away.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220421151735.31996-11-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
3c818909b0 target/nios2: Remove user-only nios2_cpu_do_interrupt
Since 7827168471, this function is unused for user-only,
when the TCGCPUOps.do_interrupt hook itself became system-only.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220421151735.31996-10-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
20e7524ff9 tests/tcg/nios2: Re-enable linux-user tests
Now that threads and signals have been fixed, re-enable tests.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-9-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
1b5fb4d252 linux-user/nios2: Use QEMU_ESIGRETURN from do_rt_sigreturn
Drop the kernel-specific "pr2" code structure and use
the qemu-specific error return value.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-8-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
dfb810bcaa linux-user/nios2: Remove do_sigreturn
There is no sigreturn syscall, only rt_sigreturn.
This function is unused.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-7-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
b9ef5b3138 linux-user/nios2: Handle special qemu syscall return values
Honor QEMU_ESIGRETURN and QEMU_ERESTARTSYS.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-6-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
b3a219b70e linux-user/nios2: Adjust error return
Follow the kernel assembly, which considers all negative
return values to be errors.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-5-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
66254caa42 linux-user/nios2: Drop syscall 0 "workaround"
Syscall 0 is __NR_io_setup for this target; there is nothing
to work around.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Fixes: a0a839b65b ("nios2: Add usermode binaries emulation")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-4-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
42192df83a linux-user/nios2: Fix clone child return
The child side of clone needs to set the secondary
syscall return value, r7, to indicate syscall success.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-3-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Richard Henderson
892d0f4afb linux-user/nios2: Hoist pc advance to the top of EXCP_TRAP
Note that this advance *should* be done by the translator, as
that's the pc value that's supposed to be generated by hardware.
However, that's a much larger change across sysemu as well.

In the meantime, produce the correct PC for any signals raised
by the trap instruction.  Note the special case of TRAP_BRKPT,
which itself is special cased within the kernel.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-2-richard.henderson@linaro.org>
2022-04-26 08:16:40 -07:00
Daniel P. Berrangé
5cf434b5af github: fix config mistake preventing repo lockdown commenting
The previous commit updated the repo lockdown config to the new
format:

  commit 9b89cdb2a5
  Author: Alex Bennée <alex.bennee@linaro.org>
  Date:   Mon Oct 4 16:43:08 2021 +0100

    .github: move repo lockdown to the v2 configuration

Unfortunately the config key names used were wrong, resulting in
the repo lockdown throwing warnings:

  Unexpected input(s) 'pull-comment', 'lock-pull', 'close-pull',
  valid inputs are ['github-token', 'exclude-issue-created-before',
  'exclude-issue-labels', 'issue-labels', 'issue-comment',
  'skip-closed-issue-comment', 'close-issue', 'lock-issue',
  'issue-lock-reason', 'exclude-pr-created-before', 'exclude-pr-labels',
  'pr-labels', 'pr-comment', 'skip-closed-pr-comment', 'close-pr',
  'lock-pr', 'pr-lock-reason', 'process-only', 'log-output']

It still locked down the pull requests, due to its default config,
but didn't leave the friendly message explaining why.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2022-04-26 16:12:26 +01:00
Daniel P. Berrangé
9aaf11e7f2 hw/char: fix qcode array bounds check in ESCC impl
There was an off-by-1 in the qcode conversion array bounds
check.

Fixes: e709a61a8f
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2022-04-26 16:12:26 +01:00
Daniel P. Berrangé
c6b310b37c softmmu: remove deprecated --enable-fips option
Users requiring FIPS support must build QEMU with either the libgcrypt
or gnutls libraries as the crytography backend.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2022-04-26 16:12:25 +01:00
Richard Henderson
80a172de55 Pull request trivial patches 20220426
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Merge tag 'trivial-branch-for-7.1-pull-request' of https://gitlab.com/laurent_vivier/qemu into staging

Pull request trivial patches 20220426

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# gpg: Signature made Tue 26 Apr 2022 05:45:45 AM PDT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [undefined]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [undefined]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* tag 'trivial-branch-for-7.1-pull-request' of https://gitlab.com/laurent_vivier/qemu:
  docs: Replace HomeBrew -> Homebrew
  docs: Replace Qemu -> QEMU
  target/mips: Remove stale TODO file
  vdpa: Add missing tracing to batch mapping functions
  hw/pvrdma: Some cosmetic fixes

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-04-26 07:54:22 -07:00
Stefan Weil
4a89bf188a docs: Replace HomeBrew -> Homebrew
The official spelling does not use camel case.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20220422083403.1082924-1-sw@weilnetz.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-04-26 12:40:36 +02:00
Stefan Weil
9b76572431 docs: Replace Qemu -> QEMU
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Knut Omang <knuto@ifi.uio.no>
Message-Id: <20220422083007.1082667-1-sw@weilnetz.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-04-26 12:38:44 +02:00
Thomas Huth
eb5b72c05e target/mips: Remove stale TODO file
The last change to this file has been done in 2012, so it
seems like this is not really used anymore, and the content
is likely very out of date now.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220412113824.297108-1-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-04-26 12:36:04 +02:00
Eugenio Pérez
5580b9f00e vdpa: Add missing tracing to batch mapping functions
These functions were not traced properly.

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20220405063628.853745-1-eperezma@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-04-26 12:32:47 +02:00
Yuval Shaia
46c1ea0131 hw/pvrdma: Some cosmetic fixes
Signed-off-by: Yuval Shaia <yuval.shaia.ml@gmail.com>
Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Message-Id: <20220403095837.2378-1-yuval.shaia.ml@gmail.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-04-26 12:25:14 +02:00
Richard Henderson
a1755db71e Block patches:
- New @force parameter for blockdev-change-medium
 - Improvements to the iotests to help with debugging
 - Fix iotest 108 on systems without user_allow_other in fuse.conf
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Merge tag 'pull-block-2022-04-25' of https://gitlab.com/hreitz/qemu into staging

Block patches:
- New @force parameter for blockdev-change-medium
- Improvements to the iotests to help with debugging
- Fix iotest 108 on systems without user_allow_other in fuse.conf

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# gpg:                using RSA key CB62D7A0EE3829E45F004D34A1FA40D098019CDF
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* tag 'pull-block-2022-04-25' of https://gitlab.com/hreitz/qemu:
  iotests/108: Fix when missing user_allow_other
  iotests: make qemu_io_log() check return codes by default
  iotests: remove qemu_io_silent() and qemu_io_silent_check().
  iotests: remove qemu_io_pipe_and_status()
  iotests/image-fleecing: switch to qemu_io()
  iotests/migration-permissions: use assertRaises() for qemu_io() negative test
  iotests: rebase qemu_io() on top of qemu_tool()
  iotests: create generic qemu_tool() function
  iotests/040: Fix TestCommitWithFilters test
  iotests/040: Don't check image pattern on zero-length image
  iotests: Don't check qemu_io() output for specific error strings
  iotests/163: Fix broken qemu-io invocation
  iotests: replace calls to log(qemu_io(...)) with qemu_io_log()
  block: add 'force' parameter to 'blockdev-change-medium' command

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-04-25 13:35:41 -07:00
Richard Henderson
c49abc8406 Pull request
Small contrib/vhost-user-blk, contrib/vhost-user-scsi, and tools/virtiofsd
 improvements.
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Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging

Pull request

Small contrib/vhost-user-blk, contrib/vhost-user-scsi, and tools/virtiofsd
improvements.

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* tag 'block-pull-request' of https://gitlab.com/stefanha/qemu:
  virtiofsd: Add docs/helper for killpriv_v2/no_killpriv_v2 option
  contrib/vhost-user-blk: add missing GOptionEntry NULL terminator
  Implements Backend Program conventions for vhost-user-scsi

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-04-25 10:21:56 -07:00
Hanna Reitz
348a0740af iotests/108: Fix when missing user_allow_other
FUSE exports' allow-other option defaults to "auto", which means that it
will try passing allow_other as a mount option, and fall back to not
using it when an error occurs.  We make no effort to hide fusermount's
error message (because it would be difficult, and because users might
want to know about the fallback occurring), and so when allow_other does
not work (primarily when /etc/fuse.conf does not contain
user_allow_other), this error message will appear and break the
reference output.

We do not need allow_other here, though, so we can just pass
allow-other=off to fix that.

Reported-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220421142435.569600-1-hreitz@redhat.com>
Tested-by: Markus Armbruster <armbru@redhat.com>
Tested-by: Eric Blake <eblake@redhat.com>
2022-04-25 14:46:45 +02:00
John Snow
40bfeae134 iotests: make qemu_io_log() check return codes by default
Just like qemu_img_log(), upgrade qemu_io_log() to enforce a return code
of zero by default.

Tests that use qemu_io_log(): 242 245 255 274 303 307 nbd-reconnect-on-open

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220418211504.943969-13-jsnow@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2022-04-25 14:30:35 +02:00
John Snow
72cfb937b8 iotests: remove qemu_io_silent() and qemu_io_silent_check().
Like qemu-img, qemu-io returning 0 should be the norm and not the
exception. Remove all calls to qemu_io_silent that just assert the
return code is zero (That's every last call, as it turns out), and
replace them with a normal qemu_io() call.

qemu_io_silent_check() appeared to have been unused already.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220418211504.943969-12-jsnow@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2022-04-25 14:30:34 +02:00
John Snow
23d44dcb7c iotests: remove qemu_io_pipe_and_status()
I know we just added it, sorry. This is done in favor of qemu_io() which
*also* returns the console output and status, but with more robust error
handling on failure.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220418211504.943969-11-jsnow@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2022-04-25 14:30:32 +02:00
John Snow
db1646a639 iotests/image-fleecing: switch to qemu_io()
This test expects failure ... but only sometimes. When? Why?

It's for reads of a region not defined by a bitmap. Adjust the test to
be more explicit about what it expects to fail and why.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220418211504.943969-10-jsnow@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2022-04-25 14:30:31 +02:00
John Snow
7acb2ddfec iotests/migration-permissions: use assertRaises() for qemu_io() negative test
Modify this test to use assertRaises for its negative testing of
qemu_io. If the exception raised does not match the one we tell it to
expect, we get *that* exception unhandled. If we get no exception, we
get a unittest assertion failure and the provided emsg printed to
screen.

If we get the CalledProcessError exception but the output is not what we
expect, we re-raise the original CalledProcessError.

Tidy.

(Note: Yes, you can reference "with" objects after that block ends; it
just means that ctx.__exit__(...) will have been called on it. It does
not *actually* go out of scope. unittests expects you to want to inspect
the Exception object, so they leave it defined post-exit.)

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220418211504.943969-9-jsnow@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2022-04-25 14:30:29 +02:00
John Snow
6dede6a493 iotests: rebase qemu_io() on top of qemu_tool()
Rework qemu_io() to be analogous to qemu_img(); a function that requires
a return code of zero by default unless disabled explicitly.

Tests that use qemu_io():
030 040 041 044 055 056 093 124 129 132 136 148 149 151 152 163 165 205
209 219 236 245 248 254 255 257 260 264 280 298 300 302 304
image-fleecing migrate-bitmaps-postcopy-test migrate-bitmaps-test
migrate-during-backup migration-permissions

Test that use qemu_io_log():
242 245 255 274 303 307 nbd-reconnect-on-open

Copy-pastables for testing/verification:

./check -qcow2 030 040 041 044 055 056 124 129 132 151 152 163 165 209 \
               219 236 242 245 248 254 255 257 260 264 274 \
               280 298 300 302 303 304 307 image-fleecing \
               migrate-bitmaps-postcopy-test migrate-bitmaps-test \
               migrate-during-backup nbd-reconnect-on-open
./check -raw 093 136 148 migration-permissions
./check -nbd 205

# ./configure configure --disable-gnutls --enable-gcrypt
# this ALSO requires passwordless sudo.
./check -luks 149

# Just the tests that were edited in this commit:
./check -qcow2 030 040 242 245
./check -raw migration-permissions
./check -nbd 205
./check -luks 149

Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20220418211504.943969-8-jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2022-04-25 14:30:27 +02:00
John Snow
b2d68a8e56 iotests: create generic qemu_tool() function
reimplement qemu_img() in terms of qemu_tool() in preparation for doing
the same with qemu_io().

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220418211504.943969-7-jsnow@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2022-04-25 14:30:17 +02:00
John Snow
4897629173 iotests/040: Fix TestCommitWithFilters test
Without this change, asserting that qemu_io always returns 0 causes this
test to fail in a way we happened not to be catching previously:

 qemu.utils.VerboseProcessError: Command
  '('/home/jsnow/src/qemu/bin/git/tests/qemu-iotests/../../qemu-io',
  '--cache', 'writeback', '--aio', 'threads', '-f', 'qcow2', '-c',
  'read -P 4 3M 1M',
  '/home/jsnow/src/qemu/bin/git/tests/qemu-iotests/scratch/3.img')'
  returned non-zero exit status 1.
  ┏━ output ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  ┃ qemu-io: can't open device
  ┃ /home/jsnow/src/qemu/bin/git/tests/qemu-iotests/scratch/3.img:
  ┃ Could not open backing file: Could not open backing file: Throttle
  ┃ group 'tg' does not exist
  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

The commit jobs changes the backing file string stored in the image file
header belonging to the node above the commit’s top node to point to the
commit target (the base node).  QEMU tries to be as accurate as
possible, and so in these test cases will include the filter that is
part of the block graph in that backing file string (by virtue of making
it a json:{} description of the post-commit subgraph).  This makes
little sense outside of QEMU, though: Specifically, the throttle node in
that subgraph will dearly miss its supposedly associated throttle group
object.

When starting the commit job, we can specify a custom backing file
string to write into said image file, so let’s use that feature to write
the plain filename of the backing chain’s next actual image file there.

Explicitly provide the backing file so that opening the file outside of
QEMU (Where we will not have throttle groups) will succeed.

Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20220418211504.943969-6-jsnow@redhat.com>
2022-04-25 14:30:09 +02:00
John Snow
aaa0c0ef82 iotests/040: Don't check image pattern on zero-length image
qemu-io fails on read/write beyond end-of-file on raw images, so skip
these invocations when running the zero-length image tests.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220418211504.943969-5-jsnow@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2022-04-25 14:30:08 +02:00
John Snow
e9039c0451 iotests: Don't check qemu_io() output for specific error strings
A forthcoming commit updates qemu_io() to raise an exception on non-zero
return by default, and changes its return type.

In preparation, simplify some calls to qemu_io() that assert that
specific error message strings do not appear in qemu-io's
output. Asserting that all of these calls return a status code of zero
will be a more robust way to guard against failure.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220418211504.943969-4-jsnow@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2022-04-25 14:30:04 +02:00
John Snow
a190524967 iotests/163: Fix broken qemu-io invocation
The 'read' commands to qemu-io were malformed, and this invocation only
worked by coincidence because the error messages were identical. Oops.

There's no point in checking the patterning of the reference image, so
just check the empty image by itself instead.

(Note: as of this commit, nothing actually enforces that this command
completes successfully, but a forthcoming commit in this series will
enforce that qemu_io() must have a zero status code.)

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220418211504.943969-3-jsnow@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2022-04-25 14:30:03 +02:00
John Snow
093a13acbf iotests: replace calls to log(qemu_io(...)) with qemu_io_log()
This makes these callsites a little simpler, but the real motivation is
a forthcoming commit will change the return type of qemu_io(), so removing
users of the return value now is helpful.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220418211504.943969-2-jsnow@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2022-04-25 14:30:02 +02:00
Denis V. Lunev
80dd5aff1b block: add 'force' parameter to 'blockdev-change-medium' command
'blockdev-change-medium' is a convinient wrapper for the following
sequence of commands:
 * blockdev-open-tray
 * blockdev-remove-medium
 * blockdev-insert-medium
 * blockdev-close-tray
and should be used f.e. to change ISO image inside the CD-ROM tray.
Though the guest could lock the tray and some linux guests like
CentOS 8.5 actually does that. In this case the execution if this
command results in the error like the following:
  Device 'scsi0-0-1-0' is locked and force was not specified,
  wait for tray to open and try again.

This situation is could be resolved 'blockdev-open-tray' by passing
flag 'force' inside. Thus is seems reasonable to add the same
capability for 'blockdev-change-medium' too.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@openvz.org>
Acked-by: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
CC: Kevin Wolf <kwolf@redhat.com>
CC: Hanna Reitz <hreitz@redhat.com>
CC: Eric Blake <eblake@redhat.com>
CC: Markus Armbruster <armbru@redhat.com>
Message-Id: <20220412221846.280723-1-den@openvz.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2022-04-25 12:02:36 +02:00
Richard Henderson
754f756cc4 target-arm queue:
* Implement GICv4 emulation
  * Some cleanup patches in target/arm
  * hw/arm/smmuv3: Pass the actual perm to returned IOMMUTLBEntry in smmuv3_translate()
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Merge tag 'pull-target-arm-20220422-1' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * Implement GICv4 emulation
 * Some cleanup patches in target/arm
 * hw/arm/smmuv3: Pass the actual perm to returned IOMMUTLBEntry in smmuv3_translate()

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# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]

* tag 'pull-target-arm-20220422-1' of https://git.linaro.org/people/pmaydell/qemu-arm: (61 commits)
  hw/arm/smmuv3: Pass the actual perm to returned IOMMUTLBEntry in smmuv3_translate()
  target/arm: Use tcg_constant_i32 in translate.h
  target/arm: Use tcg_constant in translate-vfp.c
  target/arm: Use smin/smax for do_sat_addsub_32
  target/arm: Use tcg_constant in translate-neon.c
  target/arm: Use tcg_constant in translate-m-nocp.c
  target/arm: Simplify aa32 DISAS_WFI
  target/arm: Simplify gen_sar
  target/arm: Simplify GEN_SHIFT in translate.c
  target/arm: Split out gen_rebuild_hflags
  target/arm: Split out set_btype_raw
  target/arm: Remove fpexc32_access
  target/arm: Change CPUArchState.thumb to bool
  target/arm: Change DisasContext.thumb to bool
  target/arm: Extend store_cpu_offset to take field size
  target/arm: Change CPUArchState.aarch64 to bool
  target/arm: Change DisasContext.aarch64 to bool
  target/arm: Update SCTLR bits to ARMv9.2
  target/arm: Update SCR_EL3 bits to ARMv8.8
  target/arm: Update ISAR fields for ARMv8.8
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-04-22 08:03:18 -07:00
Xiang Chen
c3ca7d56c4 hw/arm/smmuv3: Pass the actual perm to returned IOMMUTLBEntry in smmuv3_translate()
It always calls the IOMMU MR translate() callback with flag=IOMMU_NONE in
memory_region_iommu_replay(). Currently, smmuv3_translate() return an
IOMMUTLBEntry with perm set to IOMMU_NONE even if the translation success,
whereas it is expected to return the actual permission set in the table
entry.
So pass the actual perm to returned IOMMUTLBEntry in the table entry.

Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 1650094695-121918-1-git-send-email-chenxiang66@hisilicon.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-04-22 14:44:55 +01:00