Step in removing CC_OP: change the representation of CC_OP_FLAGS.
The 8 bits are distributed between 6 variables, which should make
it easy to keep up to date.

The code within cc_helper.c is quite ugly but is only temporary.

Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Isolate linux-user from changes to icc representation.

Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Merge tag 'pull-target-arm-20231102' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * linux-user/elfload: Add missing arm64 hwcap values
 * stellaris-gamepad: Convert to qdev
 * docs/specs: Convert various txt docs to rST
 * MAINTAINERS: Make sure that gicv3_internal.h is covered, too
 * hw/arm/pxa2xx_gpio: Pass CPU using QOM link property
 * hw/watchdog/wdt_imx2: Trace MMIO access and timer activity
 * hw/misc/imx7_snvs: Trace MMIO access
 * hw/misc/imx6_ccm: Convert DPRINTF to trace events
 * hw/i2c/pm_smbus: Convert DPRINTF to trace events
 * target/arm: Enable FEAT_MOPS insns in user-mode emulation
 * linux-user: Report AArch64 hwcap2 fields above bit 31
 * target/arm: Make FEAT_MOPS SET* insns handle Xs == XZR correctly
 * target/arm: Fix SVE STR increment
 * hw/char/stm32f2xx_usart: implement TX interrupts
 * target/arm: Correctly propagate stage 1 BTI guarded bit in a two-stage walk
 * xlnx-versal-virt: Add AMD/Xilinx TRNG device

* tag 'pull-target-arm-20231102' of https://git.linaro.org/people/pmaydell/qemu-arm

: (33 commits)
  tests/qtest: Introduce tests for AMD/Xilinx Versal TRNG device
  hw/arm: xlnx-versal-virt: Add AMD/Xilinx TRNG device
  hw/misc: Introduce AMD/Xilix Versal TRNG device
  target/arm: Correctly propagate stage 1 BTI guarded bit in a two-stage walk
  hw/char/stm32f2xx_usart: Add more definitions for CR1 register
  hw/char/stm32f2xx_usart: Update IRQ when DR is written
  hw/char/stm32f2xx_usart: Extract common IRQ update code to update_irq()
  target/arm: Fix SVE STR increment
  target/arm: Make FEAT_MOPS SET* insns handle Xs == XZR correctly
  linux-user: Report AArch64 hwcap2 fields above bit 31
  target/arm: Enable FEAT_MOPS insns in user-mode emulation
  hw/i2c/pm_smbus: Convert DPRINTF to trace events
  hw/misc/imx6_ccm: Convert DPRINTF to trace events
  hw/misc/imx7_snvs: Trace MMIO access
  hw/watchdog/wdt_imx2: Trace timer activity
  hw/watchdog/wdt_imx2: Trace MMIO access
  hw/arm/pxa2xx_gpio: Pass CPU using QOM link property
  MAINTAINERS: Make sure that gicv3_internal.h is covered, too
  docs/specs/vmgenid: Convert to rST
  docs/specs/vmcoreinfo: Convert to rST
  ...

Conflicts:
  hw/input/stellaris_input.c
  The qdev conversion in this pull request ("stellaris-gamepad: Convert
  to qdev") eliminates the vmstate_register() call that was converted to
  vmstate_register_any() in the conflicting migration pull request.
  vmstate_register_any() is no longer necessary now that this device has
  been converted to qdev, so take this pull request's version of
  stellaris_gamepad.c over the previous pull request's
  stellaris_input.c (the file was renamed).

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

Migration Pull request (20231102)

Hi

In this pull request:

- migration reboot mode (steve)
  * I disabled the test because our CI don't like programs using so
    much shared memory.  Searching for a fix.
- test for postcopy recover (fabiano)
- MigrateAddress QAPI (het)
- better return path error handling (peter)
- traces for downtime (peter)
- vmstate_register() check for duplicates (juan)
  thomas find better solutions for s390x and ipmi.
  now also works on s390x

Please, apply.

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# gpg: Signature made Thu 02 Nov 2023 19:40:03 HKT
# gpg:                using RSA key 1899FF8EDEBF58CCEE034B82F487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>" [full]
# gpg:                 aka "Juan Quintela <quintela@trasno.org>" [full]
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03  4B82 F487 EF18 5872 D723

* tag 'migration-20231102-pull-request' of https://gitlab.com/juan.quintela/qemu

: (40 commits)
  migration: modify test_multifd_tcp_none() to use new QAPI syntax.
  migration: Implement MigrateChannelList to hmp migration flow.
  migration: Implement MigrateChannelList to qmp migration flow.
  migration: modify migration_channels_and_uri_compatible() for new QAPI syntax
  migration: New migrate and migrate-incoming argument 'channels'
  migration: Convert the file backend to the new QAPI syntax
  migration: convert exec backend to accept MigrateAddress.
  migration: convert rdma backend to accept MigrateAddress
  migration: convert socket backend to accept MigrateAddress
  migration: convert migration 'uri' into 'MigrateAddress'
  migration: New QAPI type 'MigrateAddress'
  migration: Change ram_dirty_bitmap_reload() retval to bool
  tests/migration-test: Add a test for postcopy hangs during RECOVER
  migration: Allow network to fail even during recovery
  migration: Refactor error handling in source return path
  tests/qtest: migration: add reboot mode test
  cpr: reboot mode
  cpr: relax vhost migration blockers
  cpr: relax blockdev migration blockers
  migration: per-mode blockers
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

Signed-off-by: Tong Ho <tong.ho@amd.com>
Message-id: 20231031184611.3029156-4-tong.ho@amd.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Connect the support for Versal True Random Number Generator
(TRNG) device.

Warning: unlike the TRNG component in a real device from the
Versal device familiy, the connected TRNG model is not of
cryptographic grade and is not intended for use cases when
cryptograpically strong TRNG is needed.

Signed-off-by: Tong Ho <tong.ho@amd.com>
Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20231031184611.3029156-3-tong.ho@amd.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

This adds a non-cryptographic grade implementation of the
model for the True Random Number Generator (TRNG) component
in AMD/Xilinx Versal device family.

This implements all 3 modes defined by the actual hardware
specs, all of which selectable by guest software at will
at anytime:
1) PRNG mode, in which the generated sequence is required to
   be reproducible after reseeded by the same 384-bit value
   as supplied by guest software.
2) Test mode, in which the generated sequence is required to
   be reproducible ater reseeded by the same 128-bit test
   seed supplied by guest software.
3) TRNG mode, in which non-reproducible sequence is generated
   based on periodic reseed by a suitable entropy source.

This model is only intended for non-real world testing of
guest software, where cryptographically strong PRNG or TRNG
is not needed.

This model supports versions 1 & 2 of the device, with
default to be version 2; the 'hw-version' uint32 property
can be set to 0x0100 to override the default.

Other implemented properties:
- 'forced-prng', uint64
  When set to non-zero, mode 3's entropy source is implemented
  as a deterministic sequence based on the given value and other
  deterministic parameters.
  This option allows the emulation to test guest software using
  mode 3 and to reproduce data-dependent defects.

- 'fips-fault-events', uint32, bit-mask
  bit 3: Triggers the SP800-90B entropy health test fault irq
  bit 1: Triggers the FIPS 140-2 continuous test fault irq

Signed-off-by: Tong Ho <tong.ho@amd.com>
Message-id: 20231031184611.3029156-2-tong.ho@amd.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

In a two-stage translation, the result of the BTI guarded bit should
be the guarded bit from the first stage of translation, as there is
no BTI guard information in stage two.  Our code tried to do this,
but got it wrong, because we currently have two fields where the GP
bit information might live (ARMCacheAttrs::guarded and
CPUTLBEntryFull::extra::arm::guarded), and we were storing the GP bit
in the latter during the stage 1 walk but trying to copy the former
in combine_cacheattrs().

Remove the duplicated storage, and always use the field in
CPUTLBEntryFull; correctly propagate the stage 1 value to the output
in get_phys_addr_twostage().

Note for stable backports: in v8.0 and earlier the field is named
result->f.guarded, not result->f.extra.arm.guarded.

Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1950


Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20231031173723.26582-1-peter.maydell@linaro.org

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Hans-Erik Floryd <hans-erik.floryd@rt-labs.com>
Message-id: 20231030151528.1138131-4-hans-erik.floryd@rt-labs.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Hans-Erik Floryd <hans-erik.floryd@rt-labs.com>
Message-id: 20231030151528.1138131-3-hans-erik.floryd@rt-labs.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Hans-Erik Floryd <hans-erik.floryd@rt-labs.com>
Message-id: 20231030151528.1138131-2-hans-erik.floryd@rt-labs.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

The previous change missed updating one of the increments and
one of the MemOps.  Add a test case for all vector lengths.

Cc: qemu-stable@nongnu.org
Fixes: e6dd5e78 ("target/arm: Use tcg_gen_qemu_{ld, st}_i128 in gen_sve_{ld, st}r")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231031143215.29764-1-richard.henderson@linaro.org
[PMM: fixed checkpatch nit]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Most of the registers used by the FEAT_MOPS instructions cannot use
31 as a register field value; this is CONSTRAINED UNPREDICTABLE to
NOP or UNDEF (we UNDEF).  However, it is permitted for the "source
value" register for the memset insns SET* to be 31, which (as usual
for most data-processing insns) means it should be the zero register
XZR. We forgot to handle this case, with the effect that trying to
set memory to zero with a "SET* Xd, Xn, XZR" sets the memory to
the value that happens to be in the low byte of SP.

Handle XZR when getting the SET* data value from the register file.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231030174000.3792225-4-peter.maydell@linaro.org

The AArch64 ELF hwcap2 field is 64 bits, but our get_elf_hwcap2()
works with uint32_t, so it accidentally fails to report any hwcaps
over bit 31.  Use uint64_t here.

The Arm hwcap2 is only 32 bits (because the ELF format makes these
fields be the size of "long" in the ABI), but since it shares the
prototype declaration for get_elf_hwcap2() it is easier to also
expand it to 64 bits.

The only hwcap fields we implement already that are affected by this
are the HBC and MOPS ones, neither of which were implemented in a
previous release, so this doesn't need backporting to older stable
branches.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231030174000.3792225-3-peter.maydell@linaro.org

In user-mode emulation, we need to set the SCTLR_EL1.MSCEn
bit to avoid all the FEAT_MOPS insns UNDEFing.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20231030174000.3792225-2-peter.maydell@linaro.org

Let the trace messages slightly deviate from the function names
("smb" -> "smbus") being traced in order to avoid conflights with the SMB
protocol.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Corey Minyard <cminyard@mvista.com>
Message-id: 20231028122415.14869-6-shentey@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231028122415.14869-5-shentey@gmail.com
[PMM: Add "Hz" unit indicator to frequency traces]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231028122415.14869-4-shentey@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20231028122415.14869-3-shentey@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231028122415.14869-2-shentey@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Instead of passing the CPU index and resolving it,
use a QOM link to directly pass the CPU.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231030083706.63685-1-philmd@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

gic_internal.h is already covered by the "ARM cores" section.
Let's adapt the entry with a wildcard to cover gicv3_internal.h, too.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231027060709.242388-1-thuth@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Convert docs/specs/vmgenid.txt to rST format.

Reviewed-by: Ani Sinha <anisinha@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230927151205.70930-9-peter.maydell@linaro.org

Convert docs/specs/vmcoreinfo.txt to rST format.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230927151205.70930-8-peter.maydell@linaro.org
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>

Convert docs/specs/virt-ctlr.txt to rST format.

I added the name of the device to give readers a bit more idea
of which device we're actually documenting here.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230927151205.70930-7-peter.maydell@linaro.org
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>

Convert docs/specs/standard-vga.txt to rST format.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230927151205.70930-6-peter.maydell@linaro.org
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>

Convert docs/specs/pvpanic.txt to rST format.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230927151205.70930-5-peter.maydell@linaro.org
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>

Convert docs/specs/ivshmem-spec.txt to rST format.

In converting, I have dropped the sections on the device's command
line interface and usage, as they are already covered by the
user-facing docs in system/devices/ivshmem.rst.

I have also removed the reference to Memnic, because the URL is dead
and a web search suggests that whatever this was it's pretty much
sunk without trace.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230927151205.70930-4-peter.maydell@linaro.org
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>

Convert docs/specs/edu.txt to rST format.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20230927151205.70930-3-peter.maydell@linaro.org

Convert the docs/specs/vmw_pvscsi-spec.txt file to rST format.
This conversion includes some minor wordsmithing of the text
to fix some grammar nits.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20230927151205.70930-2-peter.maydell@linaro.org

Now that we have converted to qdev, we can use the newer
qemu_input_handler_register() API rather than the legacy
qemu_add_kbd_event_handler().

Since we only have one user, take the opportunity to convert
from scancodes to QCodes, rather than using
qemu_input_key_value_to_scancode() (which adds an 0xe0
prefix and encodes up/down indication in the scancode,
which our old handler function then had to reverse). That
lets us drop the old state field which was tracking whether
we were halfway through a two-byte scancode.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231030114802.3671871-7-peter.maydell@linaro.org

Convert the hw/input/stellaris_input device to qdev.

The interface uses an array property for the board to specify the
keycodes to use, so the s->keycodes memory is now allocated by the
array-property machinery.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231030114802.3671871-6-peter.maydell@linaro.org

Currently for each button on the device we have a
StellarisGamepadButton struct which has the irq, keycode and pressed
state for it.  When we convert to qdev, the qdev property and GPIO
APIs are going to require that we have separate arrays for the irqs
and keycodes.  Convert from array-of-structs to three separate arrays
in preparation.

This is a migration compatibility break for the stellaris boards
(lm3s6965evb, lm3s811evb).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231030114802.3671871-5-peter.maydell@linaro.org
--
v1=>v2: mention migration compat break in commit message;
  bump version fields in vmstate

Instead of exposing the ugly hack of how we represent arrays in qdev (a
static "foo-len" property and after it is set, dynamically created
"foo[i]" properties) to boards, add an interface that allows setting the
whole array at once.

Once all internal users of devices with array properties have been
converted to use this function, we can change the implementation to move
away from this hack.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231030114802.3671871-4-peter.maydell@linaro.org

Rename the structs in stellaris_gamepad.c to our now-standard
CamelCase convention.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231030114802.3671871-3-peter.maydell@linaro.org

This source file implements a stellaris gamepad device; rename
it so that it is a closer match to the device name.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231030114802.3671871-2-peter.maydell@linaro.org

Specifically DIT, LSE2, and MTE3.

We already expose detection of these via the CPUID interface, but
missed these from ELF hwcaps.

Signed-off-by: Marielle Novastrider <marielle@novastrider.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231029210058.38986-1-marielle@novastrider.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: fixed conflict with feature tests moving to cpu-features.h]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

modify multifd tcp common test to incorporate the new QAPI
syntax defined.

Suggested-by: Aravind Retnakaran <aravind.retnakaran@nutanix.com>
Signed-off-by: Het Gala <het.gala@nutanix.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231023182053.8711-15-farosas@suse.de>

Integrate MigrateChannelList with all transport backends
(socket, exec and rdma) for both src and dest migration
endpoints for hmp migration.

Suggested-by: Aravind Retnakaran <aravind.retnakaran@nutanix.com>
Signed-off-by: Het Gala <het.gala@nutanix.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Message-ID: <20231023182053.8711-14-farosas@suse.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>

Integrate MigrateChannelList with all transport backends
(socket, exec and rdma) for both src and dest migration
endpoints for qmp migration.

For current series, limit the size of MigrateChannelList
to single element (single interface) as runtime check.

Suggested-by: Aravind Retnakaran <aravind.retnakaran@nutanix.com>
Signed-off-by: Het Gala <het.gala@nutanix.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231023182053.8711-13-farosas@suse.de>