Commit Graph

77185 Commits

Author SHA1 Message Date
Vladimir Sementsov-Ogievskiy
107cfb7254 migration: fix bitmaps pre-blockdev migration with mirror job
Important thing for bitmap migration is to select destination block
node to obtain the migrated bitmap.

Prepatch, on source we use bdrv_get_device_or_node_name() to identify
the node, and on target we do bdrv_lookup_bs.
bdrv_get_device_or_node_name() returns blk name only for direct
children of blk. So, bitmaps of direct children of blks are migrated by
blk name and others - by node name.

Old libvirt is unprepared to bitmap migration by node-name,
node-names are mostly auto-generated. So actually only migration by blk
name works for it.

Newer libvirt will use new interface (which will be added soon) to
specify node-mapping for bitmaps migration explicitly. Still, let's
improve the current behavior a bit.

Now, consider classic libvirt migrations assisted by mirror block job:
mirror block job inserts filter, so our source is not a direct child of
blk, and bitmaps are migrated by node-names. And this just doesn't work
with auto-generated node names.

Let's fix it by using blk-name even if some implicit filters are
inserted.

Note2: we, of course, can't skip filters and use blk name to migrate
bitmaps in filtered node by blk name for this blk if these filters have
named bitmaps which should be migrated.

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1652424
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200521220648.3255-4-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: comment typo fix, shorter subject line]
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-05-28 13:15:22 -05:00
Vladimir Sementsov-Ogievskiy
7ae89a0de9 block/dirty-bitmap: add bdrv_has_named_bitmaps helper
To be used for bitmap migration in further commit.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200521220648.3255-3-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-05-28 13:15:22 -05:00
Vladimir Sementsov-Ogievskiy
38908bbc65 migration: refactor init_dirty_bitmap_migration
Split out handling one bs, it is needed for the following commit, which
will handle BlockBackends separately.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200521220648.3255-2-vsementsov@virtuozzo.com>
[eblake: shorter subject line]
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-05-28 13:15:22 -05:00
Peter Maydell
a20ab81d22 Fixes and improvements for the gitlab-CI:
- Build with other images instead of the broken Debian containers
 - Fix building with the latest version of Clang (at least wrt. to
   the gitlab-CI pipeline)
 - Add Philippe, Alex and Wainer to the Gitlab-CI section in MAINTAINERS
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Merge remote-tracking branch 'remotes/huth-gitlab/tags/pull-request-2020-05-28' into staging

Fixes and improvements for the gitlab-CI:
- Build with other images instead of the broken Debian containers
- Fix building with the latest version of Clang (at least wrt. to
  the gitlab-CI pipeline)
- Add Philippe, Alex and Wainer to the Gitlab-CI section in MAINTAINERS

# gpg: Signature made Thu 28 May 2020 10:16:15 BST
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* remotes/huth-gitlab/tags/pull-request-2020-05-28:
  gitlab-ci: Determine the number of jobs dynamically
  gitlab-ci: Do not use the standard container images from gitlab
  gitlab-ci: Move edk2 and opensbi YAML files to .gitlab-ci.d folder
  GitLab CI: avoid calling before_scripts on unintended jobs
  gitlab-ci: Remove flex/bison packages
  MAINTAINERS: Add Philippe, Alex and Wainer to the Gitlab-CI section
  linux-user: limit check to HOST_LONG_BITS < TARGET_ABI_BITS

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-28 16:18:06 +01:00
Peter Maydell
87023dcc25 A single patch to avoid clashes with the regiser field macros.
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 CFW2uQhLI6e7Y39PweEqvw7wyjxO3w==
 =X6Pz
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/alistair/tags/pull-register-api-20200527' into staging

A single patch to avoid clashes with the regiser field macros.

# gpg: Signature made Wed 27 May 2020 19:24:07 BST
# gpg:                using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [full]
# Primary key fingerprint: F6C4 AC46 D493 4868 D3B8  CE8F 21E1 0D29 DF97 7054

* remotes/alistair/tags/pull-register-api-20200527:
  hw/registerfields: Prefix local variables with underscore in macros

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-28 14:54:47 +01:00
Peter Maydell
aacc7c8be2 Error reporting patches for 2020-05-27
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 =b99a
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2020-05-27' into staging

Error reporting patches for 2020-05-27

# gpg: Signature made Wed 27 May 2020 06:48:02 BST
# 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

* remotes/armbru/tags/pull-error-2020-05-27:
  i386: Fix x86_cpu_load_model() error API violation
  arm/sabrelite: Consistently use &error_fatal in sabrelite_init()
  mips/boston: Plug memory leak in boston_mach_init()
  mips/boston: Fix boston_mach_init() error handling
  mips/malta: Fix create_cps() error handling
  error: Use error_reportf_err() where appropriate
  tests/migration: Tighten error checking
  s390x/cpumodel: Fix harmless misuse of visit_check_struct()
  xen: Fix and improve handling of device_add usb-host errors
  nvdimm: Plug memory leak in uuid property setter

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-28 11:21:30 +01:00
Thomas Huth
0016afa250 gitlab-ci: Determine the number of jobs dynamically
Some people might want to run the gitlab CI pipelines in an environment
where multiple CPUs are available to the runners, so let's rather get
the number for "-j" from the "nproc" program (increased by 1 to compensate
for jobs that wait for I/O) instead of hard-coding it.

Message-Id: <20200525131823.715-7-thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-05-28 11:01:38 +02:00
Thomas Huth
b5d621ff4a gitlab-ci: Do not use the standard container images from gitlab
Currently all pipelines of the gitlab CI are failing, except for the
"build-user" pipeline. There is an issue with the default container
image (likely Debian stable) where they imported something bad in one
of the system headers:

 /usr/include/linux/swab.h: In function '__swab':
 /builds/huth/qemu/include/qemu/bitops.h:20:34: error: "sizeof" is not
  defined, evaluates to 0 [-Werror=undef]
 #define BITS_PER_LONG           (sizeof (unsigned long) * BITS_PER_BYTE)

We could maybe work-around this issue or wait for the default containers
to get fixed, but considering that we use Ubuntu (and thus Debian-style)
CI in Travis already to a very large extent, we should consider to use
some RPM-based distros in our gitlab CI instead. Thus let's change the
failing pipelines to use Fedora and CentOS (and also one Ubuntu 19.10,
since 20.04 is broken, too) now.

Message-Id: <20200525131823.715-6-thuth@redhat.com>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-05-28 11:00:39 +02:00
Thomas Huth
922febe2af gitlab-ci: Move edk2 and opensbi YAML files to .gitlab-ci.d folder
We have a dedicated folder for the gitlab-ci - so there is no need
to clutter the top directory with these .yml files.

Message-Id: <20200525131823.715-5-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-05-28 11:00:39 +02:00
Cleber Rosa
65ea4e65df GitLab CI: avoid calling before_scripts on unintended jobs
At this point it seems that all jobs depend on those steps, with
maybe the EDK2 jobs as exceptions.

The jobs that will be added later will not want those scripts to be
run, so let's move these steps to the appropriate jobs, while
still trying to avoid repetition.

Signed-off-by: Cleber Rosa <crosa@redhat.com>
Message-Id: <20200525131823.715-4-thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
[thuth: Rebased to current master branch, use separate template]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-05-28 11:00:39 +02:00
Philippe Mathieu-Daudé
f3ea07c70d gitlab-ci: Remove flex/bison packages
QEMU does not use flex/bison packages.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200515163029.12917-4-philmd@redhat.com>
Message-Id: <20200525131823.715-3-thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-05-28 11:00:39 +02:00
Thomas Huth
d1d3ba2b23 MAINTAINERS: Add Philippe, Alex and Wainer to the Gitlab-CI section
Initially, I was the only one who was using Gitlab while most developers
had their git trees still on other systems, but that has changed nowadays.
There is now much more interest in the Gitlab-CI today, so it would be
good to have more than only one maintainer / reviewer for the gitlab-ci.yml
file. Alex, Wainer and Philippe kindly offered their help here, so let's
add them to the corresponding section in the MAINTAINERS file now.

Message-Id: <20200210155115.9371-1-thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daude <philmd@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-05-28 10:59:00 +02:00
Alex Bennée
a932eec49d linux-user: limit check to HOST_LONG_BITS < TARGET_ABI_BITS
Newer clangs rightly spot that you can never exceed the full address
space of 64 bit hosts with:

  linux-user/elfload.c:2076:41: error: result of comparison 'unsigned
  long' > 18446744073709551615 is always false
  [-Werror,-Wtautological-type-limit-compare]
  4685         if ((guest_hiaddr - guest_base) > ~(uintptr_t)0) {
  4686             ~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~
  4687 1 error generated.

So lets limit the check to 32 bit hosts only.

Fixes: ee94743034
Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200525131823.715-8-thuth@redhat.com>
[thuth: Use HOST_LONG_BITS < TARGET_ABI_BITS instead of HOST_LONG_BITS == 32]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-05-28 07:58:36 +02:00
Peter Maydell
8b92b9ef86 ppc patch queue 2020-05-27
Here's the next pull request for qemu-5.1.  It includes:
  * Support for the scv and rfscv POWER9 instructions in TCG
  * Support for the new SPAPR_LMB_FLAGS_HOTREMOVABLE flag, which
    provides a way for guests to know memory which should be removable
    (so the guest can avoid putting immovable allocations there).
  * Some fixes for the recently added partition scope radix translation
    in softmmu
  * Assorted minor fixes and cleanups
 
 It includes one patch to avoid a clash with SELinux when using NVLink
 VFIO devices.  That's not technically within the files under my
 maintainership, but it is in a section of the VFIO quirks code that's
 specific to the POWER-only NVLink devices, and has an ack from Alex
 Williamson.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-5.1-20200527' into staging

ppc patch queue 2020-05-27

Here's the next pull request for qemu-5.1.  It includes:
 * Support for the scv and rfscv POWER9 instructions in TCG
 * Support for the new SPAPR_LMB_FLAGS_HOTREMOVABLE flag, which
   provides a way for guests to know memory which should be removable
   (so the guest can avoid putting immovable allocations there).
 * Some fixes for the recently added partition scope radix translation
   in softmmu
 * Assorted minor fixes and cleanups

It includes one patch to avoid a clash with SELinux when using NVLink
VFIO devices.  That's not technically within the files under my
maintainership, but it is in a section of the VFIO quirks code that's
specific to the POWER-only NVLink devices, and has an ack from Alex
Williamson.

# gpg: Signature made Wed 27 May 2020 06:36:59 BST
# gpg:                using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg:                 aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-5.1-20200527:
  vfio/nvlink: Remove exec permission to avoid SELinux AVCs
  target/ppc: Fix argument to ppc_radix64_partition_scoped_xlate() again
  hw/nvram/mac_nvram: Convert debug printf()s to trace events
  hw/pci-bridge/dec: Remove dead debug code
  target/ppc: Don't update radix PTE R/C bits with gdbstub
  target/ppc: Fix arguments to ppc_radix64_partition_scoped_xlate()
  target/ppc: Add missing braces in ppc_radix64_partition_scoped_xlate()
  target/ppc: Don't initialize some local variables in ppc_radix64_xlate()
  target/ppc: Pass const pointer to ppc_radix64_get_fully_qualified_addr()
  target/ppc: Pass const pointer to ppc_radix64_get_prot_amr()
  ppc/spapr: Add hotremovable flag on DIMM LMBs on drmem_v2
  target/ppc: Add support for scv and rfscv instructions
  target/ppc: Untabify excp_helper.c
  ppc/spapr: add a POWER10 CPU model
  ppc/pnv: Fix NMI system reset SRR1 value

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-27 22:23:13 +01:00
Philippe Mathieu-Daudé
5932a46c8a hw/registerfields: Prefix local variables with underscore in macros
One can name a local variable holding a value as 'v', but it
currently clashes with the registerfields macros. To save others
to debug the same mistake, prefix the macro's local variables
with an underscore.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200510203457.10546-1-f4bug@amsat.org
Message-Id: <20200510203457.10546-1-f4bug@amsat.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2020-05-27 11:23:07 -07:00
Markus Armbruster
49e2fa85ff i386: Fix x86_cpu_load_model() error API violation
The Error ** argument must be NULL, &error_abort, &error_fatal, or a
pointer to a variable containing NULL.  Passing an argument of the
latter kind twice without clearing it in between is wrong: if the
first call sets an error, it no longer points to NULL for the second
call.

x86_cpu_load_model() is wrong that way.  Harmless, because its @errp
is always &error_abort.  To fix, cut out the @errp middleman.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200505101908.6207-11-armbru@redhat.com>
2020-05-27 07:45:45 +02:00
Markus Armbruster
3b914406cf arm/sabrelite: Consistently use &error_fatal in sabrelite_init()
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Jean-Christophe Dubois <jcd@tribudubois.net>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200505101908.6207-10-armbru@redhat.com>
[Straightforward conflict with resolved d2623129a7 "qom: Drop
parameter @errp of object_property_add() & friends"]
2020-05-27 07:45:45 +02:00
Markus Armbruster
3e1df4cc46 mips/boston: Plug memory leak in boston_mach_init()
Fixes: df1d8a1f29
Cc: Paul Burton <pburton@wavecomp.com>
Cc: Aleksandar Rikalo <aleksandar.rikalo@rt-rk.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200505101908.6207-9-armbru@redhat.com>
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
2020-05-27 07:45:44 +02:00
Markus Armbruster
932d3a65c8 mips/boston: Fix boston_mach_init() error handling
The Error ** argument must be NULL, &error_abort, &error_fatal, or a
pointer to a variable containing NULL.  Passing an argument of the
latter kind twice without clearing it in between is wrong: if the
first call sets an error, it no longer points to NULL for the second
call.

boston_mach_init() is wrong that way.  The last calls treats an error
as fatal.  Do that for the prior ones, too.

Fixes: df1d8a1f29
Cc: Paul Burton <pburton@wavecomp.com>
Cc: Aleksandar Rikalo <aleksandar.rikalo@rt-rk.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200505101908.6207-8-armbru@redhat.com>
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
2020-05-27 07:45:41 +02:00
Markus Armbruster
a729f9bc84 mips/malta: Fix create_cps() error handling
The Error ** argument must be NULL, &error_abort, &error_fatal, or a
pointer to a variable containing NULL.  Passing an argument of the
latter kind twice without clearing it in between is wrong: if the
first call sets an error, it no longer points to NULL for the second

create_cps() is wrong that way.  The last calls treats an error as
fatal.  Do that for the prior ones, too.

Fixes: bff384a4fb
Cc: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Cc: "Philippe Mathieu-Daudé" <philmd@redhat.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200505101908.6207-7-armbru@redhat.com>
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
2020-05-27 07:45:30 +02:00
Markus Armbruster
5217f1887a error: Use error_reportf_err() where appropriate
Replace

    error_report("...: %s", ..., error_get_pretty(err));

by

    error_reportf_err(err, "...: ", ...);

One of the replaced messages lacked a colon.  Add it.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200505101908.6207-6-armbru@redhat.com>
2020-05-27 07:45:30 +02:00
Markus Armbruster
d01127584e tests/migration: Tighten error checking
migrate_get_socket_address() neglects to check
visit_type_SocketAddressList() failure.  This smells like a leak, but
it actually will crash dereferencing @addrs.  Pass &error_abort to
remove the code smell.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200505101908.6207-5-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2020-05-27 07:45:25 +02:00
Markus Armbruster
5e959d2e6e s390x/cpumodel: Fix harmless misuse of visit_check_struct()
Commit e47970f51d "s390x/cpumodel: Fix query-cpu-model-FOO error API
violations" neglected to change visit_check_struct()'s Error **
argument along with the others.  If visit_check_struct() failed, we'd
take the success path.  Fortunately, it can't fail here:
qobject_input_check_struct() checks we consumed the whole dictionary,
and to get here, we did.  Fix it anyway.

Cc: David Hildenbrand <david@redhat.com>
Cc: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20200505101908.6207-4-armbru@redhat.com>
2020-05-27 07:45:25 +02:00
Markus Armbruster
56f9dde414 xen: Fix and improve handling of device_add usb-host errors
usbback_portid_add() leaks the error when qdev_device_add() fails.
Fix that.  While there, use the error to improve the error message.

The qemu_opts_from_qdict() similarly leaks on failure.  But any
failure there is a programming error.  Pass &error_abort.

Fixes: 816ac92ef7
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Anthony Perard <anthony.perard@citrix.com>
Cc: Paul Durrant <paul@xen.org>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: xen-devel@lists.xenproject.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200505101908.6207-3-armbru@redhat.com>
Acked-by: Paul Durrant <paul@xen.org>
2020-05-27 07:45:17 +02:00
Markus Armbruster
75de4efa00 nvdimm: Plug memory leak in uuid property setter
nvdimm_set_uuid() leaks memory on qemu_uuid_parse() failure.  Fix
that.

Fixes: 6c5627bb24
Cc: Xiao Guangrong <xiaoguangrong.eric@gmail.com>
Cc: Shivaprasad G Bhat <sbhat@linux.ibm.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200505101908.6207-2-armbru@redhat.com>
Tested-by: Shivaprasad G Bhat <sbhat@linux.ibm.com>
Reviewed-by: Shivaprasad G Bhat <sbhat@linux.ibm.com>
2020-05-27 07:44:59 +02:00
Leonardo Bras
9c7c040702 vfio/nvlink: Remove exec permission to avoid SELinux AVCs
If SELinux is setup without 'execmem' permission for qemu, all mmap
with (PROT_WRITE | PROT_EXEC) will fail and print a warning in
SELinux log.

If "nvlink2-mr" memory allocation fails (fist diff), it will cause
guest NUMA nodes to not be correctly configured (V100 memory will
not be visible for guest, nor its NUMA nodes).

Not having 'execmem' permission is intesting for virtual machines to
avoid buffer-overflow based attacks, and it's adopted in distros
like RHEL.

So, removing the PROT_EXEC flag seems the right thing to do.

Browsing some other code that mmaps memory for usage with
memory_region_init_ram_device_ptr, I could notice it's usual to
not have PROT_EXEC (only PROT_READ | PROT_WRITE), so it should be
no problem around this.

Signed-off-by: Leonardo Bras <leobras.c@gmail.com>
Message-Id: <20200501055448.286518-1-leobras.c@gmail.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-05-27 15:29:36 +10:00
Greg Kurz
47e112c4dd target/ppc: Fix argument to ppc_radix64_partition_scoped_xlate() again
The penultimate argument of function ppc_radix64_partition_scoped_xlate()
has the bool type.

Fixes: d04ea940c5 "target/ppc: Add support for Radix partition-scoped translation"
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <159051003729.407106.10610703877543955831.stgit@bahia.lan>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-05-27 15:29:36 +10:00
Philippe Mathieu-Daudé
1521735c2a hw/nvram/mac_nvram: Convert debug printf()s to trace events
Convert NVR_DPRINTF() to trace events and remove ifdef'ry.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200524165126.13920-1-f4bug@amsat.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-05-27 15:29:36 +10:00
Philippe Mathieu-Daudé
a1cf0c7ce5 hw/pci-bridge/dec: Remove dead debug code
Remove debug code never used since added in commit e1c6bbabee.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200525033910.26166-1-f4bug@amsat.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-05-27 15:29:36 +10:00
Greg Kurz
e606a55801 target/ppc: Don't update radix PTE R/C bits with gdbstub
gdbstub shouldn't silently change guest visible state when doing address
translation. Since the R/C bits can only be updated when handling a MMU
fault, let's reuse the cause_excp flag and rename it to guest_visible.
While here drop a not very useful comment.

This was found while reading the code. I could verify that this affects
both powernv and pseries, but I failed to observe any actual bug.

Fixes: d04ea940c5 "target/ppc: Add support for Radix partition-scoped translation"
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <158941063899.240484.2778628492106387793.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-05-27 15:29:36 +10:00
Greg Kurz
31efae9958 target/ppc: Fix arguments to ppc_radix64_partition_scoped_xlate()
The last two arguments have the bool type. Also, we shouldn't raise an
exception when using gdbstub.

This was found while reading the code. Since it only affects the powernv
machine, I didn't dig further to find an actual bug.

Fixes: d04ea940c5 "target/ppc: Add support for Radix partition-scoped translation"
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <158941063281.240484.9114539141307005992.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-05-27 15:29:36 +10:00
Greg Kurz
b577031cf2 target/ppc: Add missing braces in ppc_radix64_partition_scoped_xlate()
As per CODING_STYLE.

Fixes: d04ea940c5 "target/ppc: Add support for Radix partition-scoped translation"
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <158941062665.240484.2663106458734800894.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-05-27 15:29:36 +10:00
Greg Kurz
7caee782e9 target/ppc: Don't initialize some local variables in ppc_radix64_xlate()
It is the job of the ppc_radix64_get_fully_qualified_addr() function
which is called at the beginning of ppc_radix64_xlate() to set both
lpid *and* pid. It doesn't buy us anything to initialize them first.

Worse, a bug in ppc_radix64_get_fully_qualified_addr(), eg. failing to
set either lpid or pid, would be undetectable by static analysis tools
like coverity.

Some recent versions of gcc (eg. gcc-9.3.1-2.fc30) may still think
that lpid or pid is used uninitialized though, so this also adds
default cases in the switch statements to make it clear this cannot
happen.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <158941062048.240484.9693581559252337111.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-05-27 15:29:36 +10:00
Greg Kurz
1830422611 target/ppc: Pass const pointer to ppc_radix64_get_fully_qualified_addr()
This doesn't require write access to the CPU registers.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <158941061434.240484.10700096396035994133.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-05-27 15:29:36 +10:00
Greg Kurz
6fc009603c target/ppc: Pass const pointer to ppc_radix64_get_prot_amr()
This doesn't require write access to the CPU structure.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <158941060817.240484.14621015211317485106.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-05-27 15:29:36 +10:00
Leonardo Bras
0911a60c76 ppc/spapr: Add hotremovable flag on DIMM LMBs on drmem_v2
On reboot, all memory that was previously added using object_add and
device_add is placed in this DIMM area.

The new SPAPR_LMB_FLAGS_HOTREMOVABLE flag helps Linux to put this memory in
the correct memory zone, so no unmovable allocations are made there,
allowing the object to be easily hot-removed by device_del and
object_del.

This new flag was accepted in Power Architecture documentation.

Signed-off-by: Leonardo Bras <leobras.c@gmail.com>
Reviewed-by: Bharata B Rao <bharata@linux.ibm.com>
Message-Id: <20200511200201.58537-1-leobras.c@gmail.com>
[dwg: Fixed syntax error spotted by Cédric Le Goater]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-05-27 15:29:36 +10:00
Nicholas Piggin
3c89b8d6ac target/ppc: Add support for scv and rfscv instructions
POWER9 adds scv and rfscv instructions and the system call vectored
interrupt. Linux does not support this instruction yet but it has
been tested with a modified kernel that runs on real hardware.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20200507115328.789175-1-npiggin@gmail.com>
[dwg: Corrected an overlong line]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-05-27 15:29:24 +10:00
Greg Kurz
ececb880d6 target/ppc: Untabify excp_helper.c
Some tabs crept in with a recent change.

Fixes: 6dc6b55791 "target/ppc: Improve syscall exception logging"
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <158886788307.1560068.14096740175576278978.stgit@bahia.lan>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-05-27 15:27:29 +10:00
Cédric Le Goater
0bbf14a095 ppc/spapr: add a POWER10 CPU model
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20200507073855.2485680-1-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-05-27 15:27:29 +10:00
Nicholas Piggin
fe837714f3 ppc/pnv: Fix NMI system reset SRR1 value
Commit a77fed5bd926 ("ppc/pnv: Add support for NMI interface") got the
SRR1 setting wrong for sresets that hit outside of power-save states.

Fix this, better documenting the source for the bit definitions.

Fixes: 01b552b05b ("ppc/pnv: Add support for NMI interface")
Cc: Cédric Le Goater <clg@kaod.org>
Cc: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20200507114824.788942-1-npiggin@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
[dwg: Fixed up some tab indentation]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-05-27 15:27:25 +10:00
Peter Maydell
06539ebc76 MIPS hardware updates
- MAINTAINERS updated to welcome Huacai Chen and Jiaxun Yang,
   and update Aleksandar Rikalo's email address,
 - Trivial improvements in the Bonito64 North Bridge and the
   Fuloong 2e machine,
 - MIPS Machines names unified without 'mips_' prefix.
 
 CI: https://travis-ci.org/github/philmd/qemu/builds/691247975
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Merge remote-tracking branch 'remotes/philmd-gitlab/tags/mips-hw-next-20200526' into staging

MIPS hardware updates

- MAINTAINERS updated to welcome Huacai Chen and Jiaxun Yang,
  and update Aleksandar Rikalo's email address,
- Trivial improvements in the Bonito64 North Bridge and the
  Fuloong 2e machine,
- MIPS Machines names unified without 'mips_' prefix.

CI: https://travis-ci.org/github/philmd/qemu/builds/691247975

# gpg: Signature made Tue 26 May 2020 14:32:08 BST
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* remotes/philmd-gitlab/tags/mips-hw-next-20200526:
  MAINTAINERS: Change Aleksandar Rikalo's email address
  hw/mips/mips_int: De-duplicate KVM interrupt delivery
  hw/mips/malta: Add some logging for bad register offset cases
  hw/mips: Rename malta/mipssim/r4k/jazz files
  hw/mips/fuloong2e: Fix typo in Fuloong machine name
  hw/mips/fuloong2e: Move code and update a comment
  hw/pci-host/bonito: Set the Config register reset value with FIELD_DP32
  hw/pci-host/bonito: Better describe the I/O CS regions
  hw/pci-host/bonito: Map the different PCI ranges more detailed
  hw/pci-host/bonito: Map all the Bonito64 I/O range
  hw/pci-host/bonito: Map peripheral using physical address
  hw/pci-host/bonito: Fix DPRINTF() format strings
  hw/pci-host: Use CONFIG_PCI_BONITO to select the Bonito North Bridge
  MAINTAINERS: Add Huacai Chen as fuloong2e co-maintainer

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-26 20:25:06 +01:00
Peter Maydell
ddc760832f - fix build with musl libc
- fix potential deadlock of QEMU main event loop (cannot be hit with linux
   client)
 - revert 9pfs reply truncation (LP 1877688)
 - xen backend waits for client to free space on the reply ring instead of
   truncating or disconnecting
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 gH/0O/yNg7zVmjCqJpgn0F5kwNDxGwtSHM9Wzh+5vyAcjanhfQk=
 =XY8R
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/gkurz/tags/9p-next-2020-05-26' into staging

- fix build with musl libc
- fix potential deadlock of QEMU main event loop (cannot be hit with linux
  client)
- revert 9pfs reply truncation (LP 1877688)
- xen backend waits for client to free space on the reply ring instead of
  truncating or disconnecting

# gpg: Signature made Tue 26 May 2020 10:36:23 BST
# gpg:                using RSA key B4828BAF943140CEF2A3491071D4D5E5822F73D6
# gpg: Good signature from "Greg Kurz <groug@kaod.org>" [full]
# gpg:                 aka "Gregory Kurz <gregory.kurz@free.fr>" [full]
# gpg:                 aka "[jpeg image of size 3330]" [full]
# Primary key fingerprint: B482 8BAF 9431 40CE F2A3  4910 71D4 D5E5 822F 73D6

* remotes/gkurz/tags/9p-next-2020-05-26:
  xen/9pfs: increase max ring order to 9
  xen/9pfs: yield when there isn't enough room on the ring
  Revert "9p: init_in_iov_from_pdu can truncate the size"
  9p: Lock directory streams with a CoMutex
  9pfs: include linux/limits.h for XATTR_SIZE_MAX

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-26 14:05:53 +01:00
Aleksandar Markovic
97d8974620 MAINTAINERS: Change Aleksandar Rikalo's email address
Aleksandar Rikalo wants to use a different email address from
now on.

Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200518200920.17344-18-aleksandar.qemu.devel@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-05-26 13:21:12 +02:00
Philippe Mathieu-Daudé
56b92eeeac hw/mips/mips_int: De-duplicate KVM interrupt delivery
Refactor duplicated code in a single place.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20200429082916.10669-2-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-05-26 13:21:12 +02:00
Aleksandar Markovic
c707f06fb1 hw/mips/malta: Add some logging for bad register offset cases
Log the cases where a guest attempts read or write using bad
register offset.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200518200920.17344-21-aleksandar.qemu.devel@gmail.com>
[PMD: Replaced TARGET_FMT_lx by HWADDR_PRIX]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-05-26 13:21:12 +02:00
Aleksandar Markovic
5298722eda hw/mips: Rename malta/mipssim/r4k/jazz files
Machine file names should not have prefix "mips_".

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200518200920.17344-22-aleksandar.qemu.devel@gmail.com>
[PMD: Fixed Fuloong line conflict due to rebase]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-05-26 13:21:12 +02:00
Philippe Mathieu-Daudé
c3a09ff68d hw/mips/fuloong2e: Fix typo in Fuloong machine name
We always miswrote the Fuloong machine... Fix its name.
Add an machine alias to the previous name for backward
compatibility.

Suggested-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200526104726.11273-11-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-05-26 13:20:48 +02:00
Philippe Mathieu-Daudé
3e5fe8dd1f hw/mips/fuloong2e: Move code and update a comment
Move the RAM-related call closer to the RAM creation block,
rename the ROM comment.

Reviewed-by: Huacai Chen <chenhc@lemote.com>
Message-id: <20200510210128.18343-4-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-05-26 13:20:37 +02:00
Philippe Mathieu-Daudé
1f8a6c8b3c hw/pci-host/bonito: Set the Config register reset value with FIELD_DP32
Describe some bits of the Config registers fields with the
registerfields API. Use the FIELD_DP32() macro to set the
BONGENCFG register bits at reset.

Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200510210128.18343-12-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-05-26 13:19:36 +02:00
Philippe Mathieu-Daudé
7a296990af hw/pci-host/bonito: Better describe the I/O CS regions
Better describe the I/O CS regions, add the ROMCS region.

Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200510210128.18343-11-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-05-26 13:19:36 +02:00