Commit Graph

101627 Commits

Author SHA1 Message Date
Richard Henderson
6276d93faa target/s390x: Use tcg_constant_i32 for fpinst_extract_m34
Return a constant or NULL, which means the free may be
removed from all callers of fpinst_extract_m34.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230220184052.163465-4-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-27 09:15:39 +01:00
Richard Henderson
f5d7b0e2e0 target/s390x: Use tcg_constant_* for DisasCompare
The a and b fields are not modified by the consumer,
and while we need not free a constant, tcg will quietly
ignore such frees, so free_compare need not be changed.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230220184052.163465-3-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-27 09:15:39 +01:00
Richard Henderson
f1ea739bd5 target/s390x: Use tcg_constant_* in local contexts
Replace tcg_const_* with tcg_constant_* in contexts
where the free to remove is nearby.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20230220184052.163465-2-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-27 09:15:39 +01:00
Claudio Imbrenda
c3a073c610 s390x/pv: Add support for asynchronous teardown for reboot
This patch adds support for the asynchronous teardown for reboot for
protected VMs.

When attempting to tear down a protected VM, try to use the new
asynchronous interface first. If that fails, fall back to the classic
synchronous one.

The asynchronous interface involves invoking the new
KVM_PV_ASYNC_DISABLE_PREPARE command for the KVM_S390_PV_COMMAND ioctl.

This will prepare the current protected VM for asynchronous teardown.
Once the protected VM is prepared for teardown, execution can continue
immediately.

Once the protected VM has been prepared, a new thread is started to
actually perform the teardown. The new thread uses the new
KVM_PV_ASYNC_DISABLE command for the KVM_S390_PV_COMMAND ioctl. The
previously prepared protected VM is torn down in the new thread.

Once KVM_PV_ASYNC_DISABLE is invoked, it is possible to use
KVM_PV_ASYNC_DISABLE_PREPARE again. If a protected VM has already been
prepared and its cleanup has not started, it will not be possible to
prepare a new VM. In that case the classic synchronous teardown has to
be performed.

The synchronous teardown will now also clean up any prepared VMs whose
asynchronous teardown has not been initiated yet.

This considerably speeds up the reboot of a protected VM; for large VMs
especially, it could take a long time to perform a reboot with the
traditional synchronous teardown, while with this patch it is almost
immediate.

Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230214163035.44104-3-imbrenda@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-27 09:15:39 +01:00
Richard Henderson
e73a0f4075 target/s390x: Hoist some computation in access_memmove
Ensure that the total length is in a local variable
across the byte loop.  Compute size1 difference once.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20230109201856.3916639-8-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-27 09:15:39 +01:00
Richard Henderson
61dee10ff0 target/s390x: Inline do_access_{get,set}_byte
Inline into the parent functions with a simple test
to select the page, and a new define to remove ifdefs.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20230109201856.3916639-7-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-27 09:15:39 +01:00
Richard Henderson
96b1416fda target/s390x: Remove TLB_NOTDIRTY workarounds
When this code was written, it was using tlb_vaddr_to_host,
which does not handle TLB_DIRTY.  Since then, it has been
converted to probe_access_flags, which does.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: David Hildenbrand <david@redhat.com>
Message-Id: <20230109201856.3916639-6-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-27 09:15:39 +01:00
Richard Henderson
fb391b0b47 target/s390x: Tidy access_prepare_nf
Assign to access struct immediately, rather than waiting
until the end of the function.  This means we can pass
address of haddr struct members instead of allocating
extra space on the local stack.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20230109201856.3916639-5-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-27 09:15:39 +01:00
Richard Henderson
bebc8ade70 target/s390x: Use void* for haddr in S390Access
The interface from probe_access_flags is void*, and matching
that will be helpful.  We already rely on the gcc extension
for byte arithmetic on void*.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20230109201856.3916639-4-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-27 09:15:39 +01:00
Richard Henderson
7ba5da818a target/s390x: Pass S390Access pointer into access_prepare
Passing a pointer from the caller down to access_prepare_nf
eliminates a structure copy.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20230109201856.3916639-3-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-27 09:15:39 +01:00
Richard Henderson
4049431478 target/s390x: Fix s390_probe_access for user-only
In db9aab5783 we broke the contract of s390_probe_access, in that it
no longer returned an exception code, nor set __excp_addr.  Fix both.

Reported-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20230109201856.3916639-2-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-27 09:15:38 +01:00
Thomas Huth
4376a770c7 target/s390x/arch_dump: Simplify memory allocation in s390x_write_elf64_notes()
We are not on a hot path here, so there is no real need for the logic
here with the split heap and stack space allocation. Simplify it by
always allocating memory from the heap.

Suggested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230215085703.746788-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-27 09:15:38 +01:00
Thomas Huth
eb60026120 target/s390x/arch_dump: Fix memory corruption in s390x_write_elf64_notes()
"note_size" can be smaller than sizeof(note), so unconditionally calling
memset(notep, 0, sizeof(note)) could cause a memory corruption here in
case notep has been allocated dynamically, thus let's use note_size as
length argument for memset() instead.

Reported-by: Sebastian Mitterle <smitterl@redhat.com>
Fixes: 113d8f4e95 ("s390x: pv: Add dump support")
Message-Id: <20230214141056.680969-1-thuth@redhat.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-27 09:15:38 +01:00
Philippe Mathieu-Daudé
ecba646895 hw/vfio/ccw: Replace DO_UPCAST(VFIOCCWDevice) by VFIO_CCW()
Use the VFIO_CCW() QOM type-checking macro to avoid DO_UPCAST().

Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230213170145.45666-7-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-27 09:15:38 +01:00
Philippe Mathieu-Daudé
4b447883ed hw/vfio/ccw: Remove pointless S390CCWDevice variable
QOM parenthood relationship is:

  VFIOCCWDevice -> S390CCWDevice -> CcwDevice -> DeviceState

No need to double-cast, call CCW_DEVICE() on VFIOCCWDevice.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Message-Id: <20230213170145.45666-6-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-27 09:15:38 +01:00
Philippe Mathieu-Daudé
0cea1f62a8 hw/vfio/ccw: Replace DO_UPCAST(S390CCWDevice) by S390_CCW_DEVICE()
Use the S390_CCW_DEVICE() QOM type-checking macro to avoid DO_UPCAST().

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230213170145.45666-5-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-27 09:15:38 +01:00
Philippe Mathieu-Daudé
011da22c5c hw/vfio/ccw: Use intermediate S390CCWDevice variable
'cdev' is VFIOCCWDevice's private parent object.
Access it using the S390_CCW_DEVICE() QOM macro.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Message-Id: <20230213170145.45666-4-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-27 09:15:38 +01:00
Philippe Mathieu-Daudé
4c8a2054e7 hw/vfio/ccw: Simplify using DEVICE() macro
QOM parenthood relationship is:

  VFIOCCWDevice -> S390CCWDevice -> CcwDevice -> DeviceState

We can directly use the QOM DEVICE() macro to get the parent object.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Message-Id: <20230213170145.45666-3-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-27 09:15:38 +01:00
Thomas Huth
f0830823d0 Do not include hw/hw.h if it is not necessary
hw.h only contains the protoype of one function nowadays, hw_error(),
so all files that do not use this function anymore also do not need
to include this header anymore.

Message-Id: <20230216142915.304481-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-27 09:15:38 +01:00
Thomas Huth
5ebecf2072 tests/qtest/rtl8139-test: Make the test less verbose by default
We are facing the issues that some test logs in the gitlab CI are
too big (and thus cut off). The rtl8139-test is one of the few qtests
that prints many lines of output by default when running with V=1, so
it contributes to this problem. Almost all other qtests are silent
with V=1 and only print debug messages with V=2 and higher. Thus let's
change the rtl8139-test to behave more like the other tests and only
print the debug messages with V=2 (or higher).

Message-Id: <20230215124122.72037-1-thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-27 09:15:38 +01:00
Peter Maydell
b11728dc3a Fourth RISC-V PR for QEMU 8.0, Attempt 2
* A triplet of cleanups to the kernel/initrd loader that avoids
   duplication between the various boards.
 * Weiwei Li, Daniel Henrique Barboza, and Liu Zhiwei have been added as
   reviewers.  Thanks for the help!
 * A fix for PMP matching to avoid incorrectly appling the default
   permissions on PMP permission violations.
 * A cleanup to avoid an unnecessary avoid env_archcpu() in
   cpu_get_tb_cpu_state().
 * Fixes for the vector slide instructions to avoid truncating 64-bit
   values (such as doubles) on 32-bit targets.
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Merge tag 'pull-riscv-to-apply-20230224' of github.com:palmer-dabbelt/qemu into staging

Fourth RISC-V PR for QEMU 8.0, Attempt 2

* A triplet of cleanups to the kernel/initrd loader that avoids
  duplication between the various boards.
* Weiwei Li, Daniel Henrique Barboza, and Liu Zhiwei have been added as
  reviewers.  Thanks for the help!
* A fix for PMP matching to avoid incorrectly appling the default
  permissions on PMP permission violations.
* A cleanup to avoid an unnecessary avoid env_archcpu() in
  cpu_get_tb_cpu_state().
* Fixes for the vector slide instructions to avoid truncating 64-bit
  values (such as doubles) on 32-bit targets.

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# gpg: Signature made Fri 24 Feb 2023 18:49:35 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 <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

* tag 'pull-riscv-to-apply-20230224' of github.com:palmer-dabbelt/qemu:
  target/riscv: Fix vslide1up.vf and vslide1down.vf
  target/riscv: avoid env_archcpu() in cpu_get_tb_cpu_state()
  target/riscv: Smepmp: Skip applying default rules when address matches
  MAINTAINERS: Add some RISC-V reviewers
  target/riscv: Remove privileged spec version restriction for RVV
  hw/riscv/boot.c: make riscv_load_initrd() static
  hw/riscv/boot.c: consolidate all kernel init in riscv_load_kernel()
  hw/riscv: handle 32 bit CPUs kernel_entry in riscv_load_kernel()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-26 20:14:46 +00:00
Peter Maydell
1270a3f57c Block layer patches
- Lock the graph, part 2 (BlockDriver callbacks)
 - virtio-scsi: fix SCSIDevice hot unplug with IOThread
 - rbd: Add support for layered encryption
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Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging

Block layer patches

- Lock the graph, part 2 (BlockDriver callbacks)
- virtio-scsi: fix SCSIDevice hot unplug with IOThread
- rbd: Add support for layered encryption

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# gpg: Signature made Thu 23 Feb 2023 18:49:41 GMT
# gpg:                using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg:                issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* tag 'for-upstream' of https://repo.or.cz/qemu/kevin: (29 commits)
  block/rbd: Add support for layered encryption
  block/rbd: Add luks-any encryption opening option
  block/rbd: Remove redundant stack variable passphrase_len
  virtio-scsi: reset SCSI devices from main loop thread
  dma-helpers: prevent dma_blk_cb() vs dma_aio_cancel() race
  scsi: protect req->aiocb with AioContext lock
  block: Mark bdrv_co_refresh_total_sectors() and callers GRAPH_RDLOCK
  block: Mark bdrv_*_dirty_bitmap() and callers GRAPH_RDLOCK
  block: Mark bdrv_co_delete_file() and callers GRAPH_RDLOCK
  block: Mark bdrv_(un)register_buf() GRAPH_RDLOCK
  block: Mark bdrv_co_eject/lock_medium() and callers GRAPH_RDLOCK
  block: Mark bdrv_co_is_inserted() and callers GRAPH_RDLOCK
  block: Mark bdrv_co_io_(un)plug() and callers GRAPH_RDLOCK
  block: Mark bdrv_co_create() and callers GRAPH_RDLOCK
  block: Mark preadv_snapshot/snapshot_block_status GRAPH_RDLOCK
  block: Mark bdrv_co_copy_range() GRAPH_RDLOCK
  block: Mark bdrv_co_do_pwrite_zeroes() GRAPH_RDLOCK
  block: Mark bdrv_co_pwrite_sync() and callers GRAPH_RDLOCK
  block: Mark public read/write functions GRAPH_RDLOCK
  block: Mark read/write in block/io.c GRAPH_RDLOCK
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-24 15:09:39 +00:00
Peter Maydell
c259930c2e Error reporting patches patches for 2023-02-23
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Merge tag 'pull-error-2023-02-23' of https://repo.or.cz/qemu/armbru into staging

Error reporting patches patches for 2023-02-23

# -----BEGIN PGP SIGNATURE-----
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# DG2opOfv5xuV
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# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 23 Feb 2023 13:13:44 GMT
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* tag 'pull-error-2023-02-23' of https://repo.or.cz/qemu/armbru:
  rocker: Tweak stubbed out monitor commands' error messages
  migration/colo: Improve an x-colo-lost-heartbeat error message
  hw/core: Improve the query-hotpluggable-cpus error message
  replay: Simplify setting replay blockers
  qga: Drop dangling reference to QERR_QGA_LOGGING_DISABLED
  hw/acpi: Move QMP command to hw/core/
  hw/acpi: Dumb down acpi_table_add() stub
  hw/smbios: Dumb down smbios_entry_add() stub
  hw/core: Improve error message when machine doesn't provide NMIs
  dump: Assert cpu_get_note_size() can't fail
  dump: Improve error message when target doesn't support memory dump
  error: Drop superfluous #include "qapi/qmp/qerror.h"

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-24 15:08:51 +00:00
Peter Maydell
569346ad0a QAPI patches patches for 2023-02-23
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Merge tag 'pull-qapi-2023-02-23' of https://repo.or.cz/qemu/armbru into staging

QAPI patches patches for 2023-02-23

# -----BEGIN PGP SIGNATURE-----
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# RUle5av0n8XR
# =XV0D
# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 23 Feb 2023 12:03:53 GMT
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* tag 'pull-qapi-2023-02-23' of https://repo.or.cz/qemu/armbru:
  qapi: remove JSON value FIXME
  qapi: remove _JSONObject
  qapi/parser: add QAPIExpression type
  qapi: Add minor typing workaround for 3.6
  qapi: update pylint configuration
  qapi: Update flake8 config
  docs/devel/qapi-code-gen: Fix a missing 'may', clarify SchemaInfo
  docs/devel/qapi-code-gen: Belatedly update features documentation

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-24 12:47:33 +00:00
Peter Maydell
c3aeccc0ab Python
Only minor testing updates.
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Merge tag 'python-pull-request' of https://gitlab.com/jsnow/qemu into staging

Python

Only minor testing updates.

# -----BEGIN PGP SIGNATURE-----
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# =FJCZ
# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 23 Feb 2023 04:36:23 GMT
# gpg:                using RSA key F9B7ABDBBCACDF95BE76CBD07DEF8106AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" [full]
# Primary key fingerprint: FAEB 9711 A12C F475 812F  18F2 88A9 064D 1835 61EB
#      Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76  CBD0 7DEF 8106 AAFC 390E

* tag 'python-pull-request' of https://gitlab.com/jsnow/qemu:
  python: drop pipenv
  python: support pylint 2.16

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-24 12:47:13 +00:00
Peter Maydell
3f21065f09 * x86 bugfixes
* OpenBSD support for naming threads
 * Refined Python support policy
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* x86 bugfixes
* OpenBSD support for naming threads
* Refined Python support policy

# -----BEGIN PGP SIGNATURE-----
#
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# =6eNN
# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 21 Feb 2023 13:10:49 GMT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  target/i386/gdbstub: Fix a bug about order of FPU stack in 'g' packets.
  docs: build-platforms: refine requirements on Python build dependencies
  thread-posix: add support for setting threads name on OpenBSD
  target/i386: Fix 32-bit AD[CO]X insns in 64-bit mode

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-24 12:46:59 +00:00
Peter Maydell
ed9128c177 tcg: Allow first half of insn in ram, and second half in mmio
linux-user/sparc: SIGILL for unknown trap vectors
 linux-user/microblaze: SIGILL for privileged insns
 linux-user: Fix deadlock while exiting due to signal
 target/microblaze: Add gdbstub xml
 util: Adjust cacheflush for windows-arm64
 include/sysemu/os-win32: Adjust setjmp/longjmp for windows-arm64
 -----BEGIN PGP SIGNATURE-----
 
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Merge tag 'pull-tcg-20230221' of https://gitlab.com/rth7680/qemu into staging

tcg: Allow first half of insn in ram, and second half in mmio
linux-user/sparc: SIGILL for unknown trap vectors
linux-user/microblaze: SIGILL for privileged insns
linux-user: Fix deadlock while exiting due to signal
target/microblaze: Add gdbstub xml
util: Adjust cacheflush for windows-arm64
include/sysemu/os-win32: Adjust setjmp/longjmp for windows-arm64

# -----BEGIN PGP SIGNATURE-----
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# -----END PGP SIGNATURE-----
# gpg: Signature made Wed 22 Feb 2023 01:57:45 GMT
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* tag 'pull-tcg-20230221' of https://gitlab.com/rth7680/qemu:
  sysemu/os-win32: fix setjmp/longjmp on windows-arm64
  util/cacheflush: fix cache on windows-arm64
  target/microblaze: Add gdbstub xml
  linux-user/microblaze: Handle privileged exception
  cpus: Make {start,end}_exclusive() recursive
  linux-user: Always exit from exclusive state in fork_end()
  linux-user/sparc: Raise SIGILL for all unhandled software traps
  accel/tcg: Allow the second page of an instruction to be MMIO

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-24 10:05:43 +00:00
LIU Zhiwei
8c89d50c10
target/riscv: Fix vslide1up.vf and vslide1down.vf
vslide1up_##BITWIDTH is used by the vslide1up.vx and vslide1up.vf. So its
scalar input should be uint64_t to hold the 64 bits float register.And the
same for vslide1down_##BITWIDTH.

This bug is caught when run these instructions on qemu-riscv32.

Signed-off-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Message-ID: <20230213094550.29621-1-zhiwei_liu@linux.alibaba.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-02-23 14:21:34 -08:00
Daniel Henrique Barboza
718942aed6
target/riscv: avoid env_archcpu() in cpu_get_tb_cpu_state()
We have a RISCVCPU *cpu pointer available at the start of the function.

Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn>
Message-ID: <20230210123836.506286-1-dbarboza@ventanamicro.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-02-23 14:21:33 -08:00
Himanshu Chauhan
90b1fafce0
target/riscv: Smepmp: Skip applying default rules when address matches
When MSECCFG.MML is set, after checking the address range in PMP if the
asked permissions are not same as programmed in PMP, the default
permissions are applied. This should only be the case when there
is no matching address is found.

This patch skips applying default rules when matching address range
is found. It returns the index of the match PMP entry.

Fixes: 824cac681c (target/riscv: Fix PMP propagation for tlb)
Signed-off-by: Himanshu Chauhan <hchauhan@ventanamicro.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20230209055206.229392-1-hchauhan@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-02-23 14:21:32 -08:00
Alistair Francis
a3ae8d46c0
MAINTAINERS: Add some RISC-V reviewers
This patch adds some active RISC-V members as reviewers to the
MAINTAINERS file.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Acked-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Acked-by: Weiwei Li <liweiwei@iscas.ac.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Message-Id: <20230209003308.738237-1-alistair.francis@opensource.wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-02-23 14:21:32 -08:00
Frank Chang
0e660142ca
target/riscv: Remove privileged spec version restriction for RVV
The RVV specification does not require that the core needs to support
the privileged specification v1.12.0 to support RVV, and there is no
dependency from ISA level.

This commit removes the restriction from both RVV CSRs and extension CPU
ISA string.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20230208063209.27279-1-frank.chang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-02-23 14:21:31 -08:00
Or Ozeri
0f385a2420 block/rbd: Add support for layered encryption
Starting from ceph Reef, RBD has built-in support for layered encryption,
where each ancestor image (in a cloned image setting) can be possibly
encrypted using a unique passphrase.

A new function, rbd_encryption_load2, was added to librbd API.
This new function supports an array of passphrases (via "spec" structs).

This commit extends the qemu rbd driver API to use this new librbd API,
in order to support this new layered encryption feature.

Signed-off-by: Or Ozeri <oro@il.ibm.com>
Message-Id: <20230129113120.722708-4-oro@oro.sl.cloud9.ibm.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-02-23 19:49:35 +01:00
Or Ozeri
b8f218ef60 block/rbd: Add luks-any encryption opening option
Ceph RBD encryption API required specifying the encryption format
for loading encryption. The supported formats were LUKS (v1) and LUKS2.

Starting from Reef release, RBD also supports loading with "luks-any" format,
which works for both versions of LUKS.

This commit extends the qemu rbd driver API to enable qemu users to use
this luks-any wildcard format.

Signed-off-by: Or Ozeri <oro@il.ibm.com>
Message-Id: <20230129113120.722708-3-oro@oro.sl.cloud9.ibm.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-02-23 19:49:35 +01:00
Or Ozeri
a4ac51ac4e block/rbd: Remove redundant stack variable passphrase_len
Signed-off-by: Or Ozeri <oro@il.ibm.com>
Message-Id: <20230129113120.722708-2-oro@oro.sl.cloud9.ibm.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-02-23 19:49:35 +01:00
Stefan Hajnoczi
be2c42b97c virtio-scsi: reset SCSI devices from main loop thread
When an IOThread is configured, the ctrl virtqueue is processed in the
IOThread. TMFs that reset SCSI devices are currently called directly
from the IOThread and trigger an assertion failure in blk_drain() from
the following call stack:

virtio_scsi_handle_ctrl_req -> virtio_scsi_do_tmf -> device_code_reset
-> scsi_disk_reset -> scsi_device_purge_requests -> blk_drain

  ../block/block-backend.c:1780: void blk_drain(BlockBackend *): Assertion `qemu_in_main_thread()' failed.

The blk_drain() function is not designed to be called from an IOThread
because it needs the Big QEMU Lock (BQL).

This patch defers TMFs that reset SCSI devices to a Bottom Half (BH)
that runs in the main loop thread under the BQL. This way it's safe to
call blk_drain() and the assertion failure is avoided.

Introduce s->tmf_bh_list for tracking TMF requests that have been
deferred to the BH. When the BH runs it will grab the entire list and
process all requests. Care must be taken to clear the list when the
virtio-scsi device is reset or unrealized. Otherwise deferred TMF
requests could execute later and lead to use-after-free or other
undefined behavior.

The s->resetting counter that's used by TMFs that reset SCSI devices is
accessed from multiple threads. This patch makes that explicit by using
atomic accessor functions. With this patch applied the counter is only
modified by the main loop thread under the BQL but can be read by any
thread.

Reported-by: Qing Wang <qinwang@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20230221212218.1378734-4-stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-02-23 19:49:35 +01:00
Stefan Hajnoczi
abfcd2760b dma-helpers: prevent dma_blk_cb() vs dma_aio_cancel() race
dma_blk_cb() only takes the AioContext lock around ->io_func(). That
means the rest of dma_blk_cb() is not protected. In particular, the
DMAAIOCB field accesses happen outside the lock.

There is a race when the main loop thread holds the AioContext lock and
invokes scsi_device_purge_requests() -> bdrv_aio_cancel() ->
dma_aio_cancel() while an IOThread executes dma_blk_cb(). The dbs->acb
field determines how cancellation proceeds. If dma_aio_cancel() sees
dbs->acb == NULL while dma_blk_cb() is still running, the request can be
completed twice (-ECANCELED and the actual return value).

The following assertion can occur with virtio-scsi when an IOThread is
used:

  ../hw/scsi/scsi-disk.c:368: scsi_dma_complete: Assertion `r->req.aiocb != NULL' failed.

Fix the race by holding the AioContext across dma_blk_cb(). Now
dma_aio_cancel() under the AioContext lock will not see
inconsistent/intermediate states.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20230221212218.1378734-3-stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-02-23 19:49:35 +01:00
Stefan Hajnoczi
7b7fc3d010 scsi: protect req->aiocb with AioContext lock
If requests are being processed in the IOThread when a SCSIDevice is
unplugged, scsi_device_purge_requests() -> scsi_req_cancel_async() races
with I/O completion callbacks. Both threads load and store req->aiocb.
This can lead to assert(r->req.aiocb == NULL) failures and undefined
behavior.

Protect r->req.aiocb with the AioContext lock to prevent the race.

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20230221212218.1378734-2-stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-02-23 19:49:35 +01:00
Kevin Wolf
8ab8140a04 block: Mark bdrv_co_refresh_total_sectors() and callers GRAPH_RDLOCK
This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_co_refresh_total_sectors() need to hold a reader lock for the
graph.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230203152202.49054-24-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-02-23 19:49:33 +01:00
Kevin Wolf
167f748d8c block: Mark bdrv_*_dirty_bitmap() and callers GRAPH_RDLOCK
This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_*_dirty_bitmap() need to hold a reader lock for the graph.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230203152202.49054-23-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-02-23 19:49:32 +01:00
Kevin Wolf
48aef79440 block: Mark bdrv_co_delete_file() and callers GRAPH_RDLOCK
This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_co_delete_file() need to hold a reader lock for the graph.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230203152202.49054-22-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-02-23 19:49:30 +01:00
Kevin Wolf
d9249c253c block: Mark bdrv_(un)register_buf() GRAPH_RDLOCK
This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_register_buf() and bdrv_unregister_buf() need to hold a reader lock
for the graph.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230203152202.49054-21-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-02-23 19:49:29 +01:00
Kevin Wolf
79a292e5ec block: Mark bdrv_co_eject/lock_medium() and callers GRAPH_RDLOCK
This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_co_eject() and bdrv_co_lock_medium() need to hold a reader lock for
the graph.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230203152202.49054-20-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-02-23 19:49:26 +01:00
Emanuele Giuseppe Esposito
c73ff92c9d block: Mark bdrv_co_is_inserted() and callers GRAPH_RDLOCK
This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_co_is_inserted() need to hold a reader lock for the graph.

blk_is_inserted() is done as a co_wrapper_mixed_bdrv_rdlock (unlike most
other blk_* functions) because it is called a lot from other blk_co_*()
functions that already hold the lock. These calls go through
blk_is_available(), which becomes a co_wrapper_mixed_bdrv_rdlock, too,
for the same reason.

Functions that run in a coroutine and can call bdrv_co_is_available()
directly are changed to do so, which results in better TSA coverage.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230203152202.49054-19-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-02-23 19:49:25 +01:00
Kevin Wolf
c382706925 block: Mark bdrv_co_io_(un)plug() and callers GRAPH_RDLOCK
This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_co_io_plug() and bdrv_co_io_unplug() need to hold a reader lock for
the graph.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230203152202.49054-18-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-02-23 19:49:24 +01:00
Kevin Wolf
4ec8df0183 block: Mark bdrv_co_create() and callers GRAPH_RDLOCK
This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_co_create() need to hold a reader lock for the graph.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230203152202.49054-17-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-02-23 19:49:23 +01:00
Kevin Wolf
7b9e8b22bc block: Mark preadv_snapshot/snapshot_block_status GRAPH_RDLOCK
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230203152202.49054-16-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-02-23 19:49:21 +01:00
Emanuele Giuseppe Esposito
742bf09b20 block: Mark bdrv_co_copy_range() GRAPH_RDLOCK
This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_co_copy_range() need to hold a reader lock for the graph.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230203152202.49054-15-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-02-23 19:49:20 +01:00
Kevin Wolf
eeb4777544 block: Mark bdrv_co_do_pwrite_zeroes() GRAPH_RDLOCK
All callers are already GRAPH_RDLOCK, so just add the annotation and
remove assume_graph_lock().

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230203152202.49054-14-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-02-23 19:49:19 +01:00
Kevin Wolf
b24a4c41ba block: Mark bdrv_co_pwrite_sync() and callers GRAPH_RDLOCK
This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_co_pwrite_sync() need to hold a reader lock for the graph.

For some places, we know that they will hold the lock, but we don't have
the GRAPH_RDLOCK annotations yet. In this case, add assume_graph_lock()
with a FIXME comment. These places will be removed once everything is
properly annotated.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230203152202.49054-13-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-02-23 19:49:18 +01:00