Commit Graph

85515 Commits

Author SHA1 Message Date
Peter Maydell
3f8d1885e4 ui: mostly cocoa fixes
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/kraxel/tags/ui-20210311-pull-request' into staging

ui: mostly cocoa fixes

# gpg: Signature made Thu 11 Mar 2021 12:33:51 GMT
# gpg:                using RSA key A0328CFFB93A17A79901FE7D4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/ui-20210311-pull-request:
  ui/cocoa: Fix mouse association state
  ui/cocoa: Mark variables static
  ui/cocoa: Clear modifiers whenever possible
  ui/cocoa: Do not rely on the first argument
  ui/cocoa: Show QEMU icon in the about window
  docs: Fix removal text of -show-cursor
  ui/cocoa: Use kCGColorSpaceSRGB
  ui/gtk: Remove NULL checks in gd_switch

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-03-12 13:53:44 +00:00
Peter Maydell
1941858448 ppc patch queue for 2021-03-10
Next batch of patches for the ppc target and machine types.  Includes:
  * Several cleanups for sm501 from Peter Maydell
  * An update to the SLOF guest firmware
  * Improved handling of hotplug failures in spapr, associated cleanups
    to the hotplug handling code
  * Several etsec fixes and cleanups from Bin Meng
  * Assorted other fixes and cleanups
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Merge remote-tracking branch 'remotes/dg-gitlab/tags/ppc-for-6.0-20210310' into staging

ppc patch queue for 2021-03-10

Next batch of patches for the ppc target and machine types.  Includes:
 * Several cleanups for sm501 from Peter Maydell
 * An update to the SLOF guest firmware
 * Improved handling of hotplug failures in spapr, associated cleanups
   to the hotplug handling code
 * Several etsec fixes and cleanups from Bin Meng
 * Assorted other fixes and cleanups

# gpg: Signature made Wed 10 Mar 2021 04:08:53 GMT
# 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/dg-gitlab/tags/ppc-for-6.0-20210310:
  spapr.c: send QAPI event when memory hotunplug fails
  spapr.c: remove duplicated assert in spapr_memory_unplug_request()
  target/ppc: fix icount support on Book-e vms accessing SPRs
  qemu_timer.c: add timer_deadline_ms() helper
  spapr_pci.c: add 'unplug already in progress' message for PCI unplug
  spapr.c: add 'unplug already in progress' message for PHB unplug
  hw/ppc: e500: Add missing <ranges> in the eTSEC node
  hw/net: fsl_etsec: Fix build error when HEX_DUMP is on
  spapr_drc.c: use DRC reconfiguration to cleanup DIMM unplug state
  spapr_drc.c: add hotunplug timeout for CPUs
  spapr_drc.c: introduce unplug_timeout_timer
  target/ppc: Fix bcdsub. emulation when result overflows
  docs/system: Extend PPC section
  spapr: rename spapr_drc_detach() to spapr_drc_unplug_request()
  spapr_drc.c: use spapr_drc_release() in isolate_physical/set_unusable
  pseries: Update SLOF firmware image
  spapr_drc.c: do not call spapr_drc_detach() in drc_isolate_logical()
  hw/display/sm501: Inline template header into C file
  hw/display/sm501: Expand out macros in template header
  hw/display/sm501: Remove dead code for non-32-bit RGB surfaces

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-03-12 11:30:55 +00:00
Peter Maydell
6f34661b6c Pull request
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 =moUF
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Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-for-6.0-pull-request' into staging

Pull request

# gpg: Signature made Wed 10 Mar 2021 21:56:09 GMT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/trivial-branch-for-6.0-pull-request: (22 commits)
  sysemu: Let VMChangeStateHandler take boolean 'running' argument
  sysemu/runstate: Let runstate_is_running() return bool
  hw/lm32/Kconfig: Have MILKYMIST select LM32_DEVICES
  hw/lm32/Kconfig: Rename CONFIG_LM32 -> CONFIG_LM32_DEVICES
  hw/lm32/Kconfig: Introduce CONFIG_LM32_EVR for lm32-evr/uclinux boards
  qemu-common.h: Update copyright string to 2021
  tests/fp/fp-test: Replace the word 'blacklist'
  qemu-options: Replace the word 'blacklist'
  seccomp: Replace the word 'blacklist'
  scripts/tracetool: Replace the word 'whitelist'
  ui: Replace the word 'whitelist'
  virtio-gpu: Adjust code space style
  exec/memory: Use struct Object typedef
  fuzz-test: remove unneccessary debugging flags
  net: Use id_generate() in the network subsystem, too
  MAINTAINERS: Fix the location of tools manuals
  vhost_user_gpu: Drop dead check for g_malloc() failure
  backends/dbus-vmstate: Fix short read error handling
  target/hexagon/gen_tcg_funcs: Fix a typo
  hw/elf_ops: Fix a typo
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-03-11 18:55:27 +00:00
Peter Maydell
f4abdf3271 Testing, guest-loader and other misc tweaks
- add warning text to quickstart example
   - add CFI tests to CI
   - use --arch-only for docker pre-requisites
   - fix .editorconfig for emacs
   - add guest-loader for Xen-like hypervisor testing
   - move generic-loader docs into manual proper
   - move semihosting out of hw/
 -----BEGIN PGP SIGNATURE-----
 
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-docs-xen-updates-100321-2' into staging

Testing, guest-loader and other misc tweaks

  - add warning text to quickstart example
  - add CFI tests to CI
  - use --arch-only for docker pre-requisites
  - fix .editorconfig for emacs
  - add guest-loader for Xen-like hypervisor testing
  - move generic-loader docs into manual proper
  - move semihosting out of hw/

# gpg: Signature made Wed 10 Mar 2021 15:35:31 GMT
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-testing-docs-xen-updates-100321-2:
  semihosting: Move hw/semihosting/ -> semihosting/
  semihosting: Move include/hw/semihosting/ -> include/semihosting/
  tests/avocado: add boot_xen tests
  docs: add some documentation for the guest-loader
  docs: move generic-loader documentation into the main manual
  hw/core: implement a guest-loader to support static hypervisor guests
  device_tree: add qemu_fdt_setprop_string_array helper
  hw/riscv: migrate fdt field to generic MachineState
  hw/board: promote fdt from ARM VirtMachineState to MachineState
  .editorconfig: update the automatic mode setting for Emacs
  tests/docker: Use --arch-only when building Debian cross image
  gitlab-ci.yml: Add jobs to test CFI flags
  gitlab-ci.yml: Allow custom # of parallel linkers
  tests/docker: add a test-tcg for building then running check-tcg
  docs/system: add a gentle prompt for the complexity to come

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-03-11 16:20:58 +00:00
Peter Maydell
9abda42bf2 nbd patches for 2021-03-09
- Add Vladimir as NBD co-maintainer
 - Fix reporting of holes in NBD_CMD_BLOCK_STATUS
 - Improve command-line parsing accuracy of large numbers (anything going
 through qemu_strtosz), including the deprecation of hex+suffix
 - Improve some error reporting in the block layer
 -----BEGIN PGP SIGNATURE-----
 
 iQEzBAABCAAdFiEEccLMIrHEYCkn0vOqp6FrSiUnQ2oFAmBHlmIACgkQp6FrSiUn
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 =blE1
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2021-03-09' into staging

nbd patches for 2021-03-09

- Add Vladimir as NBD co-maintainer
- Fix reporting of holes in NBD_CMD_BLOCK_STATUS
- Improve command-line parsing accuracy of large numbers (anything going
through qemu_strtosz), including the deprecation of hex+suffix
- Improve some error reporting in the block layer

# gpg: Signature made Tue 09 Mar 2021 15:38:10 GMT
# gpg:                using RSA key 71C2CC22B1C4602927D2F3AAA7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>" [full]
# gpg:                 aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" [full]
# gpg:                 aka "[jpeg image of size 6874]" [full]
# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2  F3AA A7A1 6B4A 2527 436A

* remotes/ericb/tags/pull-nbd-2021-03-09:
  block/qcow2: refactor qcow2_update_options_prepare error paths
  block/qed: bdrv_qed_do_open: deal with errp
  block/qcow2: simplify qcow2_co_invalidate_cache()
  block/qcow2: read_cache_sizes: return status value
  block/qcow2-bitmap: return status from qcow2_store_persistent_dirty_bitmaps
  block/qcow2-bitmap: improve qcow2_load_dirty_bitmaps() interface
  block/qcow2: qcow2_get_specific_info(): drop error propagation
  blockjob: return status from block_job_set_speed()
  block/mirror: drop extra error propagation in commit_active_start()
  block: drop extra error propagation for bdrv_set_backing_hd
  blockdev: fix drive_backup_prepare() missed error
  block: check return value of bdrv_open_child and drop error propagation
  utils: Deprecate hex-with-suffix sizes
  utils: Improve qemu_strtosz() to have 64 bits of precision
  utils: Enhance testsuite for do_strtosz()
  nbd: server: Report holes for raw images
  MAINTAINERS: add Vladimir as co-maintainer of NBD

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-03-11 13:57:08 +00:00
Akihiko Odaki
d1929069e3 ui/cocoa: Fix mouse association state
ui/cocoa deassociates the mouse input and the mouse cursor
position only when relative movement inputs are expected. Such
inputs may let the mouse cursor leave the view and cause undesired
side effects if they are associated. On the other hand, the
problem does not occur when inputting absolute points, and the
association allows seamless cursor movement across views.

However, the synchronization of the association and the expected
input type was only done when grabbing the mouse. In reality, the
state whether the emulated input device expects absolute pointing
inputs or relative movement inputs can vary dynamically due to
USB device hot-plugging, for example.

This change adds association state updates according to input type
expectation changes. It also removes an internal flag representing
the association state because the state can now be determined with
the current input type expectation and it only adds the
complexity of the state tracking.

Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Message-Id: <20210222150714.21766-1-akihiko.odaki@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-03-11 13:33:20 +01:00
Peter Maydell
363fc96305 Aspeed patches :
* New model for the Aspeed LPC controller
 * Misc cleanups
 -----BEGIN PGP SIGNATURE-----
 
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/legoater/tags/pull-aspeed-20210309' into staging

Aspeed patches :

* New model for the Aspeed LPC controller
* Misc cleanups

# gpg: Signature made Tue 09 Mar 2021 11:54:25 GMT
# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.org>" [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: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* remotes/legoater/tags/pull-aspeed-20210309:
  hw/misc: Model KCS devices in the Aspeed LPC controller
  hw/misc: Add a basic Aspeed LPC controller model
  hw/arm: ast2600: Correct the iBT interrupt ID
  hw/arm: ast2600: Set AST2600_MAX_IRQ to value from datasheet
  hw/arm: ast2600: Force a multiple of 32 of IRQs for the GIC
  hw/arm/aspeed: Fix location of firmware images in documentation
  arm/ast2600: Fix SMP booting with -kernel

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-03-11 11:18:27 +00:00
Akihiko Odaki
cb82340825 ui/cocoa: Mark variables static
Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Message-Id: <20210225084202.39601-1-akihiko.odaki@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-03-11 10:06:45 +01:00
Akihiko Odaki
6d73bb643a ui/cocoa: Clear modifiers whenever possible
ui/cocoa does not receive NSEventTypeFlagsChanged when it is not active,
and the modifier state can be desynchronized in such a situation.

[NSEvent -modifierFlags] tells whether a modifier is *not* pressed, so
check it whenever receiving an event and clear the modifier if it is not
pressed.

Note that [NSEvent -modifierFlags] does not tell if a certain modifier
*is* pressed because the documented mask for [NSEvent -modifierFlags]
generalizes left shift and right shift, for example. CapsLock is the
only exception. The pressed state is synchronized only with
NSEventTypeFlagsChanged.

This change also removes modifier keys from keycode map. If they
are input with NSEventTypeKeyDown or NSEventTypeKeyUp, it leads to
desynchronization. Although such a situation is not observed, they are
removed just in case.

Moreover, QKbdState is introduced for automatic key state tracking.

Thanks to Konstantin Nazarov for testing and finding a bug in this
change:
https://gist.github.com/akihikodaki/87df4149e7ca87f18dc56807ec5a1bc5#gistcomment-3659419

Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Message-Id: <20210310144602.58528-1-akihiko.odaki@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-03-11 10:06:44 +01:00
Akihiko Odaki
a0f973f931 ui/cocoa: Do not rely on the first argument
The first argument of the executable was used to get its path, but it is
not reliable because the executer can specify any arbitrary string. Use the
interfaces provided by QEMU and the platform to get those paths.

Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Message-Id: <20210309122226.23117-2-akihiko.odaki@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-03-11 10:06:44 +01:00
Akihiko Odaki
e31746ecf8 ui/cocoa: Show QEMU icon in the about window
Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Message-Id: <20210309122226.23117-1-akihiko.odaki@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-03-11 10:06:44 +01:00
Thomas Huth
e26804031d docs: Fix removal text of -show-cursor
We should say now when it was removed, not when it was deprecated.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210310045821.1004396-1-thuth@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-03-11 10:06:44 +01:00
Akihiko Odaki
ae57d35cf0 ui/cocoa: Use kCGColorSpaceSRGB
kCGColorSpaceGenericRGB | Apple Developer Documentation
https://developer.apple.com/documentation/coregraphics/kcgcolorspacegenericrgb
> Deprecated
> Use kCGColorSpaceSRGB instead.

This change also removes the legacy color space specification for
PowerPC.

Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Message-Id: <20210305121304.65096-1-akihiko.odaki@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-03-11 10:06:44 +01:00
Akihiko Odaki
e251b58763 ui/gtk: Remove NULL checks in gd_switch
c821a58ee7 ("ui/console: Pass placeholder surface to display")
eliminated the possibility that NULL is passed as surface to
dpy_gfx_switch and removed some NULL checks from gd_switch, but the
removal was not thoroughly. Remaining NULL checks were confusing for
Coverity and probably also for humans. This change removes those NULL
checks.

Reported-by: Coverity (CID 1448421)
Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20210308140713.17901-1-akihiko.odaki@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-03-11 10:06:44 +01:00
Peter Maydell
d689ecad07 hw/block/nvme updates
* NVMe subsystem support (`-device nvme-subsys`) (Minwoo Im)
 * Namespace (De|At)tachment support (Minwoo Im)
 * Simple Copy command support (Klaus Jensen)
 * Flush broadcast support (Gollu Appalanaidu)
 * QEMUIOVector/QEMUSGList duality refactoring (Klaus Jensen)
 
 plus various fixes from Minwoo, Gollu, Dmitry and me.
 
 v2:
   - add `nqn` nvme-subsys device parameter instead of using `id`.
     (Paolo)
 -----BEGIN PGP SIGNATURE-----
 
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Merge remote-tracking branch 'remotes/nvme/tags/nvme-next-pull-request' into staging

hw/block/nvme updates

* NVMe subsystem support (`-device nvme-subsys`) (Minwoo Im)
* Namespace (De|At)tachment support (Minwoo Im)
* Simple Copy command support (Klaus Jensen)
* Flush broadcast support (Gollu Appalanaidu)
* QEMUIOVector/QEMUSGList duality refactoring (Klaus Jensen)

plus various fixes from Minwoo, Gollu, Dmitry and me.

v2:
  - add `nqn` nvme-subsys device parameter instead of using `id`.
    (Paolo)

# gpg: Signature made Tue 09 Mar 2021 11:44:17 GMT
# gpg:                using RSA key 522833AA75E2DCE6A24766C04DE1AF316D4F0DE9
# gpg: Good signature from "Klaus Jensen <its@irrelevant.dk>" [unknown]
# gpg:                 aka "Klaus Jensen <k.jensen@samsung.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: DDCA 4D9C 9EF9 31CC 3468  4272 63D5 6FC5 E55D A838
#      Subkey fingerprint: 5228 33AA 75E2 DCE6 A247  66C0 4DE1 AF31 6D4F 0DE9

* remotes/nvme/tags/nvme-next-pull-request: (38 commits)
  hw/block/nvme: support Identify NS Attached Controller List
  hw/block/nvme: support changed namespace asynchronous event
  hw/block/nvme: support namespace attachment command
  hw/block/nvme: refactor nvme_select_ns_iocs
  hw/block/nvme: support allocated namespace type
  hw/block/nvme: fix allocated namespace list to 256
  hw/block/nvme: fix namespaces array to 1-based
  hw/block/nvme: support namespace detach
  hw/block/nvme: refactor nvme_dma
  hw/block/nvme: remove the req dependency in map functions
  hw/block/nvme: try to deal with the iov/qsg duality
  hw/block/nvme: fix strerror printing
  hw/block/nvme: remove block accounting for write zeroes
  hw/block/nvme: remove redundant len member in compare context
  hw/block/nvme: report non-mdts command size limit for dsm
  hw/block/nvme: add trace event for zone read check
  hw/block/nvme: fix potential compilation error
  hw/block/nvme: add identify trace event
  hw/block/nvme: remove unnecessary endian conversion
  hw/block/nvme: align zoned.zasl with mdts
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-03-10 20:11:33 +00:00
Peter Maydell
821e7ed167 * Add some missing gitlab-CI job dependencies
* Re-enable "make check SPEED=slow"
 * Improve the gitlab-pipeline-status script
 * Clean up inclusing of qtest.h headers
 * Improve libqos/qgraph documentation
 * Fix downloading problem in the acceptance tests
 * Remove deprecated target tilegx
 * Add new bsd-user maintainers
 -----BEGIN PGP SIGNATURE-----
 
 iQJFBAABCAAvFiEEJ7iIR+7gJQEY8+q5LtnXdP5wLbUFAmBHTZERHHRodXRoQHJl
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 onaEQWBuchw2oO/riyayskD516J5q0dyMlQAWx2tv9N1wFC+F8gUcP/q0zpckqhu
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 hot+/3Mstsw=
 =8JHZ
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/thuth-gitlab/tags/pull-request-2021-03-09' into staging

* Add some missing gitlab-CI job dependencies
* Re-enable "make check SPEED=slow"
* Improve the gitlab-pipeline-status script
* Clean up inclusing of qtest.h headers
* Improve libqos/qgraph documentation
* Fix downloading problem in the acceptance tests
* Remove deprecated target tilegx
* Add new bsd-user maintainers

# gpg: Signature made Tue 09 Mar 2021 10:27:29 GMT
# 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/thuth-gitlab/tags/pull-request-2021-03-09:
  bsd-user: Add new maintainers
  Remove deprecated target tilegx
  Acceptance Tests: restore filtering of tests by target arch
  Acceptance Tests: restore downloading of VM images
  docs/devel/qgraph: improve qgraph documentation
  libqos/qgraph: format qgraph comments for sphinx documentation
  scripts/ci/gitlab-pipeline-status: give more info when pipeline not found
  scripts/ci/gitlab-pipeline-status: give more information on failures
  scripts/ci/gitlab-pipeline-status: split utlity function for HTTP GET
  meson: Re-enable the possibility to run "make check SPEED=slow"
  docker: OpenSBI build job depends on OpenSBI container
  docker: EDK2 build job depends on EDK2 container
  docker: Alpine build job depends on Alpine container
  qtest: delete superfluous inclusions of qtest.h

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-03-10 17:22:45 +00:00
Philippe Mathieu-Daudé
8df9f0c3d7 semihosting: Move hw/semihosting/ -> semihosting/
With the exception of hw/core/, the hw/ directory only contains
device models used in system emulation. Semihosting is also used
by user emulation. As a generic feature, move it out of hw/ directory.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210226131356.3964782-3-f4bug@amsat.org>
Message-Id: <20210305135451.15427-3-alex.bennee@linaro.org>
2021-03-10 15:34:12 +00:00
Philippe Mathieu-Daudé
6b5fe13786 semihosting: Move include/hw/semihosting/ -> include/semihosting/
We want to move the semihosting code out of hw/ in the next patch.

This patch contains the mechanical steps, created using:

  $ git mv include/hw/semihosting/ include/
  $ sed -i s,hw/semihosting,semihosting, $(git grep -l hw/semihosting)

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210226131356.3964782-2-f4bug@amsat.org>
Message-Id: <20210305135451.15427-2-alex.bennee@linaro.org>
2021-03-10 15:34:12 +00:00
Alex Bennée
2ceb7c03a2 tests/avocado: add boot_xen tests
These tests make sure we can boot the Xen hypervisor with a Dom0
kernel using the guest-loader. We currently have to use a kernel I
built myself because there are issues using the Debian kernel images.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Cleber Rosa <crosa@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Message-Id: <20210303173642.3805-8-alex.bennee@linaro.org>
2021-03-10 15:34:12 +00:00
Alex Bennée
0146037807 docs: add some documentation for the guest-loader
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20210303173642.3805-7-alex.bennee@linaro.org>
2021-03-10 15:34:11 +00:00
Alex Bennée
70f2011015 docs: move generic-loader documentation into the main manual
We might as well surface this useful information in the manual so
users can find it easily. It is a fairly simple conversion to rst with
the only textual fixes being QemuOps to QemuOpts.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20210303173642.3805-6-alex.bennee@linaro.org>
2021-03-10 15:34:11 +00:00
Alex Bennée
a33ff6d2c6 hw/core: implement a guest-loader to support static hypervisor guests
Hypervisors, especially type-1 ones, need the firmware/bootcode to put
their initial guest somewhere in memory and pass the information to it
via platform data. The guest-loader is modelled after the generic
loader for exactly this sort of purpose:

  $QEMU $ARGS  -kernel ~/xen.git/xen/xen \
    -append "dom0_mem=1G,max:1G loglvl=all guest_loglvl=all" \
    -device guest-loader,addr=0x42000000,kernel=Image,bootargs="root=/dev/sda2 ro console=hvc0 earlyprintk=xen" \
    -device guest-loader,addr=0x47000000,initrd=rootfs.cpio

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210303173642.3805-5-alex.bennee@linaro.org>
2021-03-10 15:34:11 +00:00
Alex Bennée
78da6a1bca device_tree: add qemu_fdt_setprop_string_array helper
A string array in device tree is simply a series of \0 terminated
strings next to each other. As libfdt doesn't support that directly
we need to build it ourselves.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20210303173642.3805-4-alex.bennee@linaro.org>
2021-03-10 15:34:11 +00:00
Alex Bennée
c65d7080d8 hw/riscv: migrate fdt field to generic MachineState
This is a mechanical change to make the fdt available through
MachineState.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210303173642.3805-3-alex.bennee@linaro.org>
2021-03-10 15:34:11 +00:00
Alex Bennée
a6487d37c2 hw/board: promote fdt from ARM VirtMachineState to MachineState
The use of FDT's is quite common across our various platforms. To
allow the guest loader to tweak it we need to make it available in
the generic state. This creates the field and migrates the initial
user to use the generic field. Other boards will be updated in later
patches.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210303173642.3805-2-alex.bennee@linaro.org>
2021-03-10 15:34:11 +00:00
Alex Bennée
2c9192c177 .editorconfig: update the automatic mode setting for Emacs
It seems the editor specific keywords have been deprecated in the main
editorconfig plugin:

  https://github.com/editorconfig/editorconfig-emacs#file-type-file_type_ext-file_type_emacs

Update the keywords to the suggested one and point users at the
extension.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210305144839.6558-1-alex.bennee@linaro.org>
2021-03-10 15:34:11 +00:00
Philippe Mathieu-Daudé
327910dea1 tests/docker: Use --arch-only when building Debian cross image
When building a Docker image based on debian10.docker on
a non-x86 host, we get:

 [2/4] RUN apt update &&     DEBIAN_FRONTEND=noninteractive eatmydata     apt build-dep -yy qemu
 Reading package lists... Done
 Building dependency tree
 Reading state information... Done
 Some packages could not be installed. This may mean that you have
 requested an impossible situation or if you are using the unstable
 distribution that some required packages have not yet been created
 or been moved out of Incoming.
 The following information may help to resolve the situation:

 The following packages have unmet dependencies:
  builddeps:qemu : Depends: gcc-s390x-linux-gnu but it is not installable
                   Depends: gcc-alpha-linux-gnu but it is not installable
 E: Unable to correct problems, you have held broken packages.

Fix by using the --arch-only option suggested here:
https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1866032/comments/1

Suggested-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210223211115.2971565-1-f4bug@amsat.org>
Message-Id: <20210305092328.31792-10-alex.bennee@linaro.org>
2021-03-10 15:34:11 +00:00
Daniele Buono
1bb12e172a gitlab-ci.yml: Add jobs to test CFI flags
QEMU has had options to enable control-flow integrity features
for a few months now. Add two sets of build/check/acceptance
jobs to ensure the binary produced is working fine.

The three sets allow testing of x86_64 binaries for x86_64, s390x,
ppc64 and aarch64 targets

[AJB: tweak job names to avoid brands]

Signed-off-by: Daniele Buono <dbuono@linux.vnet.ibm.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210304030948.9367-3-dbuono@linux.vnet.ibm.com>
Message-Id: <20210305092328.31792-9-alex.bennee@linaro.org>
2021-03-10 15:34:11 +00:00
Daniele Buono
e6d27a9c0d gitlab-ci.yml: Allow custom # of parallel linkers
Define a new variable LD_JOBS, that can be used to select
the maximum number of linking jobs to be executed in parallel.
If the variable is not defined, maintain the default given by
make -j

Currently, make parallelism at build time is based on the number
of cpus available.

This doesn't work well with LTO at linking, because with LTO the
linker has to load in memory all the intermediate object files
for optimization.
The end result is that, if the gitlab runner happens to run two
linking processes at the same time, the job will fail with an
out-of-memory error,

This patch leverages the ability to maintain high parallelism at
compile time, but limit the number of linkers executed in parallel.

Signed-off-by: Daniele Buono <dbuono@linux.vnet.ibm.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20210304030948.9367-2-dbuono@linux.vnet.ibm.com>
Message-Id: <20210305092328.31792-8-alex.bennee@linaro.org>
2021-03-10 15:34:11 +00:00
Peter Maydell
5c6295a45b target-arm queue:
* Add new mps3-an547 board
  * target/arm: Restrict v7A TCG cpus to TCG accel
  * Implement a Xilinx CSU DMA model
  * hw/timer/renesas_tmr: Fix use of uninitialized data in read_tcnt()
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 =Qu2a
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20210310' into staging

target-arm queue:
 * Add new mps3-an547 board
 * target/arm: Restrict v7A TCG cpus to TCG accel
 * Implement a Xilinx CSU DMA model
 * hw/timer/renesas_tmr: Fix use of uninitialized data in read_tcnt()

# gpg: Signature made Wed 10 Mar 2021 13:56:20 GMT
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* remotes/pmaydell/tags/pull-target-arm-20210310: (54 commits)
  hw/timer/renesas_tmr: Fix use of uninitialized data in read_tcnt()
  hw/timer/renesas_tmr: Prefix constants for CSS values with CSS_
  hw/ssi: xilinx_spips: Remove DMA related dead codes from zynqmp_spips
  hw/ssi: xilinx_spips: Clean up coding convention issues
  hw/arm: xlnx-zynqmp: Connect a Xilinx CSU DMA module for QSPI
  hw/arm: xlnx-zynqmp: Clean up coding convention issues
  hw/dma: Implement a Xilinx CSU DMA model
  target/arm: Restrict v7A TCG cpus to TCG accel
  tests/qtest/sse-timer-test: Test counter scaling changes
  tests/qtest/sse-timer-test: Test the system timer
  tests/qtest/sse-timer-test: Add simple test of the SSE counter
  docs/system/arm/mps2.rst: Document the new mps3-an547 board
  hw/arm/mps2-tz: Add new mps3-an547 board
  hw/arm/mps2-tz: Make initsvtor0 setting board-specific
  hw/arm/mps2-tz: Support running APB peripherals on different clock
  hw/misc/mps2-scc: Implement changes for AN547
  hw/misc/mps2-fpgaio: Support AN547 DBGCTRL register
  hw/misc/mps2-fpgaio: Fold counters subsection into main vmstate
  hw/arm/mps2-tz: Make UART overflow IRQ board-specific
  hw/arm/armsse: Add SSE-300 support
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-03-10 13:57:31 +00:00
Peter Maydell
81b3ddaf87 hw/timer/renesas_tmr: Fix use of uninitialized data in read_tcnt()
The read_tcnt() function calculates the TCNT register values for the
two channels of the timer module; it sets these up in the local
tcnt[] array, and eventually returns either one or both of them,
depending on whether the access is 8 or 16 bits.  However, not all of
the code paths through this function set both elements of this array:
if the guest has programmed the TCCR.CSS register fields to values
which are either documented as not to be used or which QEMU does not
implement, then the function will return uninitialized data.  (This
was spotted by Coverity.)

Add the missing CSS cases to this code, so that we return a
consistent value instead of uninitialized data, and so the code
structure indicates what's happening.

Fixes: CID 1429976
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20210219223241.16344-3-peter.maydell@linaro.org
2021-03-10 13:54:51 +00:00
Peter Maydell
02f8fe11f7 hw/timer/renesas_tmr: Prefix constants for CSS values with CSS_
The #defines INTERNAL and CASCADING represent different possible
values for the TCCR.CSS register field; prefix them with CSS_ to make
this more obvious, before we add more defines to represent the
other possible values of the field in the next commit.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20210219223241.16344-2-peter.maydell@linaro.org
2021-03-10 13:54:51 +00:00
Xuzhou Cheng
d6bafaf45c hw/ssi: xilinx_spips: Remove DMA related dead codes from zynqmp_spips
Now that the Xilinx CSU DMA model is implemented, the existing
DMA related dead codes in the ZynqMP QSPI are useless and should
be removed. The maximum register number is also updated to only
include the QSPI registers.

Signed-off-by: Xuzhou Cheng <xuzhou.cheng@windriver.com>
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20210303135254.3970-6-bmeng.cn@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-03-10 13:54:51 +00:00
Xuzhou Cheng
3754eed420 hw/ssi: xilinx_spips: Clean up coding convention issues
There are some coding convention warnings in xilinx_spips.c,
as reported by:

  $ ./scripts/checkpatch.pl hw/ssi/xilinx_spips.c

Let's clean them up.

Signed-off-by: Xuzhou Cheng <xuzhou.cheng@windriver.com>
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20210303135254.3970-5-bmeng.cn@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-03-10 13:54:51 +00:00
Xuzhou Cheng
668351a548 hw/arm: xlnx-zynqmp: Connect a Xilinx CSU DMA module for QSPI
Add a Xilinx CSU DMA module to ZynqMP SoC, and connent the stream
link of GQSPI to CSU DMA.

Signed-off-by: Xuzhou Cheng <xuzhou.cheng@windriver.com>
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20210303135254.3970-4-bmeng.cn@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-03-10 13:54:51 +00:00
Xuzhou Cheng
21bce3717e hw/arm: xlnx-zynqmp: Clean up coding convention issues
There are some coding convention warnings in xlnx-zynqmp.c and
xlnx-zynqmp.h, as reported by:

  $ ./scripts/checkpatch.pl include/hw/arm/xlnx-zynqmp.h
  $ ./scripts/checkpatch.pl hw/arm/xlnx-zynqmp.c

Let's clean them up.

Signed-off-by: Xuzhou Cheng <xuzhou.cheng@windriver.com>
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20210303135254.3970-3-bmeng.cn@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-03-10 13:54:51 +00:00
Alex Bennée
dd5af6ece9 tests/docker: add a test-tcg for building then running check-tcg
This is mostly useful for verifying containers will work on the CI
setup.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210305092328.31792-4-alex.bennee@linaro.org>
2021-03-10 12:13:59 +00:00
Alex Bennée
085d9afc68 docs/system: add a gentle prompt for the complexity to come
We all know the QEMU command line can become a fiendishly complex
beast. Lets gently prepare our user for the horrors to come by
referencing where other example command lines can be found in the
manual.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210305092328.31792-3-alex.bennee@linaro.org>
2021-03-10 12:13:59 +00:00
Philippe Mathieu-Daudé
538f049704 sysemu: Let VMChangeStateHandler take boolean 'running' argument
The 'running' argument from VMChangeStateHandler does not require
other value than 0 / 1. Make it a plain boolean.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20210111152020.1422021-3-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-03-09 23:13:57 +01:00
Philippe Mathieu-Daudé
0a38950931 sysemu/runstate: Let runstate_is_running() return bool
runstate_check() returns a boolean. runstate_is_running()
returns what runstate_check() returns, also a boolean.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210111152020.1422021-2-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-03-09 23:12:58 +01:00
Daniel Henrique Barboza
eb7f80fd26 spapr.c: send QAPI event when memory hotunplug fails
Recent changes allowed the pSeries machine to rollback the hotunplug
process for the DIMM when the guest kernel signals, via a
reconfiguration of the DR connector, that it's not going to release the
LMBs.

Let's also warn QAPI listerners about it. One place to do it would be
right after the unplug state is cleaned up,
spapr_clear_pending_dimm_unplug_state(). This would mean that the
function is now doing more than cleaning up the pending dimm state
though.

This patch does the following changes in spapr.c:

- send a QAPI event to inform that we experienced a failure in the
  hotunplug of the DIMM;

- rename spapr_clear_pending_dimm_unplug_state() to
  spapr_memory_unplug_rollback(). This is a better fit for what the
  function is now doing, and it makes callers care more about what the
  function goal is and less about spapr.c internals such as clearing
  the pending dimm unplug state.

Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20210302141019.153729-3-danielhb413@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-03-10 09:07:09 +11:00
Daniel Henrique Barboza
41c8ad3d92 spapr.c: remove duplicated assert in spapr_memory_unplug_request()
We are asserting the existence of the first DRC LMB after sending unplug
requests to all LMBs of the DIMM, where every DRC is being asserted
inside the loop. This means that the first DRC is being asserted twice.

Remove the duplicated assert.

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20210302141019.153729-2-danielhb413@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-03-10 09:07:09 +11:00
Vitaly Cheptsov
09db2216aa target/ppc: fix icount support on Book-e vms accessing SPRs
Failing to guard SPR access with gen_io_start/gen_stop_exception
causes "Bad icount read" exceptions when running VMs with
e500mc and e500v2 CPUs with an icount parameter.

Cc: David Gibson <david@gibson.dropbear.id.au>
Cc: Greg Kurz <groug@kaod.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Vitaly Cheptsov <cheptsov@ispras.ru>
Message-Id: <20210303140851.78383-1-cheptsov@ispras.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-03-10 09:07:09 +11:00
Daniel Henrique Barboza
4515a5f786 qemu_timer.c: add timer_deadline_ms() helper
The pSeries machine is using QEMUTimer internals to return the timeout
in seconds for a timer object, in hw/ppc/spapr.c, function
spapr_drc_unplug_timeout_remaining_sec().

Create a helper in qemu-timer.c to retrieve the deadline for a QEMUTimer
object, in ms, to avoid exposing timer internals to the PPC code.

CC: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20210301124133.23800-2-danielhb413@gmail.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-03-10 09:07:09 +11:00
Daniel Henrique Barboza
e35dfbd227 spapr_pci.c: add 'unplug already in progress' message for PCI unplug
Hotunplug for all other devices are warning the user when the hotunplug
is already in progress. Do the same for PCI devices in
spapr_pci_unplug_request().

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20210226163301.419727-5-danielhb413@gmail.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-03-10 09:07:09 +11:00
Daniel Henrique Barboza
7420033ec4 spapr.c: add 'unplug already in progress' message for PHB unplug
Both CPU hotunplug and PC_DIMM unplug reports an user warning,
mentioning that the hotunplug is in progress, if consecutive
'device_del' are issued in quick succession.

Do the same for PHBs in spapr_phb_unplug_request().

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20210226163301.419727-4-danielhb413@gmail.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-03-10 09:07:09 +11:00
Bin Meng
e5943b00d3 hw/ppc: e500: Add missing <ranges> in the eTSEC node
The eTSEC node should provide an empty <ranges> property in the
eTSEC node, otherwise of_translate_address() in the Linux kernel
fails to get the eTSEC register base, reporting:

  OF: ** translation for device /platform@f00000000/ethernet@0/queue-group **
  OF: bus is default (na=1, ns=1) on /platform@f00000000/ethernet@0
  OF: translating address: 00000000
  OF: parent bus is default (na=1, ns=1) on /platform@f00000000
  OF: no ranges; cannot translate

Per devicetree spec v0.3 [1] chapter 2.3.8:

  If the property is not present in a bus node, it is assumed that
  no mapping exists between children of the node and the parent
  address space.

This is why of_translate_address() aborts the address translation.
Apparently U-Boot devicetree parser seems to be tolerant with
missing <ranges> as this was not noticed when testing with U-Boot.
The empty <ranges> property is present in all kernel shipped dtsi
files for eTSEC, Let's add it to conform with the spec.

[1] https://github.com/devicetree-org/devicetree-specification/releases/download/v0.3/devicetree-specification-v0.3.pdf

Fixes: fdfb7f2cdb ("e500: Add support for eTSEC in device tree")
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Message-Id: <1614158919-9473-1-git-send-email-bmeng.cn@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-03-10 09:07:09 +11:00
Bin Meng
f149c9b7f9 hw/net: fsl_etsec: Fix build error when HEX_DUMP is on
"qemu-common.h" should be included to provide the forward declaration
of qemu_hexdump() when HEX_DUMP is on.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Message-Id: <20210228050431.24647-1-bmeng.cn@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-03-10 09:07:09 +11:00
Daniel Henrique Barboza
fe1831eff8 spapr_drc.c: use DRC reconfiguration to cleanup DIMM unplug state
Handling errors in memory hotunplug in the pSeries machine is more
complex than any other device type, because there are all the
complications that other devices has, and more.

For instance, determining a timeout for a DIMM hotunplug must consider
if it's a Hash-MMU or a Radix-MMU guest, because Hash guests takes
longer to hotunplug DIMMs. The size of the DIMM is also a factor, given
that longer DIMMs naturally takes longer to be hotunplugged from the
kernel. And there's also the guest memory usage to be considered: if
there's a process that is consuming memory that would be lost by the
DIMM unplug, the kernel will postpone the unplug process until the
process finishes, and then initiate the regular hotunplug process. The
first two considerations are manageable, but the last one is a deal
breaker.

There is no sane way for the pSeries machine to determine the memory
load in the guest when attempting a DIMM hotunplug - and even if there
was a way, the guest can start using all the RAM in the middle of the
unplug process and invalidate our previous assumptions - and in result
we can't even begin to calculate a timeout for the operation. This means
that we can't implement a viable timeout mechanism for memory unplug in
pSeries.

Going back to why we would consider an unplug timeout, the reason is
that we can't know if the kernel is giving up the unplug. Turns out
that, sometimes, we can. Consider a failed memory hotunplug attempt
where the kernel will error out with the following message:

'pseries-hotplug-mem: Memory indexed-count-remove failed, adding any
removed LMBs'

This happens when there is a LMB that the kernel gave up in removing,
and the LMBs previously marked for removal are now being added back.
This happens in the pseries kernel in [1], dlpar_memory_remove_by_ic()
into dlpar_add_lmb(), and after that update_lmb_associativity_index().
In this function, the kernel is configuring the LMB DRC connector again.
Note that this is a valid usage in LOPAR, as stated in section
"ibm,configure-connector RTAS Call":

'A subsequent sequence of calls to ibm,configure-connector with the same
entry from the “ibm,drc-indexes” or “ibm,drc-info” property will restart
the configuration of devices which were not completely configured.'

We can use this kernel behavior in our favor. If a DRC connector
reconfiguration for a LMB that we marked as unplug pending happens, this
indicates that the kernel changed its mind about the unplug and is
reasserting that it will keep using all the LMBs of the DIMM. In this
case, it's safe to assume that the whole DIMM device unplug was
cancelled.

This patch hops into rtas_ibm_configure_connector() and, in the scenario
described above, clear the unplug state for the DIMM device. This will
not solve all the problems we still have with memory unplug, but it will
cover this case where the kernel reconfigures LMBs after a failed
unplug. We are a bit more resilient, without using an unreliable
timeout, and we didn't make the remaining error cases any worse.

[1] arch/powerpc/platforms/pseries/hotplug-memory.c

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20210222194531.62717-6-danielhb413@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-03-10 09:07:09 +11:00
Daniel Henrique Barboza
d1c2e3ce3d spapr_drc.c: add hotunplug timeout for CPUs
There is a reliable way to make a CPU hotunplug fail in the pseries
machine. Hotplug a CPU A, then offline all other CPUs inside the guest
but A. When trying to hotunplug A the guest kernel will refuse to do it,
because A is now the last online CPU of the guest. PAPR has no 'error
callback' in this situation to report back to the platform, so the guest
kernel will deny the unplug in silent and QEMU will never know what
happened. The unplug pending state of A will remain until the guest is
shutdown or rebooted.

Previous attempts of fixing it (see [1] and [2]) were aimed at trying to
mitigate the effects of the problem. In [1] we were trying to guess
which guest CPUs were online to forbid hotunplug of the last online CPU
in the QEMU layer, avoiding the scenario described above because QEMU is
now failing in behalf of the guest. This is not robust because the last
online CPU of the guest can change while we're in the middle of the
unplug process, and our initial assumptions are now invalid. In [2] we
were accepting that our unplug process is uncertain and the user should
be allowed to spam the IRQ hotunplug queue of the guest in case the CPU
hotunplug fails.

This patch presents another alternative, using the timeout
infrastructure introduced in the previous patch. CPU hotunplugs in the
pSeries machine will now timeout after 15 seconds. This is a long time
for a single CPU unplug to occur, regardless of guest load - although
the user is *strongly* encouraged to *not* hotunplug devices from a
guest under high load - and we can be sure that something went wrong if
it takes longer than that for the guest to release the CPU (the same
can't be said about memory hotunplug - more on that in the next patch).

Timing out the unplug operation will reset the unplug state of the CPU
and allow the user to try it again, regardless of the error situation
that prevented the hotunplug to occur. Of all the not so pretty
fixes/mitigations for CPU hotunplug errors in pSeries, timing out the
operation is an admission that we have no control in the process, and
must assume the worst case if the operation doesn't succeed in a
sensible time frame.

[1] https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg03353.html
[2] https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg04400.html

Reported-by: Xujun Ma <xuma@redhat.com>
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1911414
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20210222194531.62717-5-danielhb413@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-03-10 09:07:09 +11:00