Commit Graph

1530 Commits

Author SHA1 Message Date
Paolo Bonzini
ccd3b3b811 qemu-option: warn for short-form boolean options
Options such as "server" or "nowait", that are commonly found in -chardev,
are sugar for "server=on" and "wait=off".  This is quite surprising and
also does not have any notion of typing attached.  It is even possible to
do "-device e1000,noid" and get a device with "id=off".

Deprecate it and print a warning when it is encountered.  In general,
this short form for boolean options only seems to be in wide use for
-chardev and -spice.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-23 15:55:08 -05:00
Paolo Bonzini
0afec75734 qmp: remove deprecated "change" command
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210120144235.345983-3-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-23 15:55:07 -05:00
Paolo Bonzini
cfb5387a1d hmp: remove "change vnc TARGET" command
The HMP command \"change vnc TARGET\" is messy:

- it takes an ugly shortcut to determine if the option has an "id",
with incorrect results if "id=" is not preceded by an unescaped
comma.

- it deletes the existing QemuOpts and does not try to rollback
if the parsing fails (which is not causing problems, but only due to
how VNC options are parsed)

- because it uses the same parsing function as "-vnc", it forces
the latter to not support "-vnc help".

On top of this, it uses a deprecated QMP command, thus getting in
the way of removing the QMP command.  Since the usecase for the
command is not clear, just remove it and send "change vnc password"
directly to the QMP "change-vnc-password" command.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20210120144235.345983-2-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-23 15:55:07 -05:00
Peter Maydell
b93f4fbdc4 docs: Build and install all the docs in a single manual
When we first converted our documentation to Sphinx, we split it into
multiple manuals (system, interop, tools, etc), which are all built
separately.  The primary driver for this was wanting to be able to
avoid shipping the 'devel' manual to end-users.  However, this is
working against the grain of the way Sphinx wants to be used and
causes some annoyances:
 * Cross-references between documents become much harder or
   possibly impossible
 * There is no single index to the whole documentation
 * Within one manual there's no links or table-of-contents info
   that lets you easily navigate to the others
 * The devel manual doesn't get published on the QEMU website
   (it would be nice to able to refer to it there)

Merely hiding our developer documentation from end users seems like
it's not enough benefit for these costs.  Combine all the
documentation into a single manual (the same way that the readthedocs
site builds it) and install the whole thing.  The previous manual
divisions remain as the new top level sections in the manual.

 * The per-manual conf.py files are no longer needed
 * The man_pages[] specifications previously in each per-manual
   conf.py move to the top level conf.py
 * docs/meson.build logic is simplified as we now only need to run
   Sphinx once for the HTML and then once for the manpages5B
 * The old index.html.in that produced the top-level page with
   links to each manual is no longer needed

Unfortunately this means that we now have to build the HTML
documentation into docs/manual in the build tree rather than directly
into docs/; otherwise it is too awkward to ensure we install only the
built manual and not also the dependency info, stamp file, etc.  The
manual still ends up in the same place in the final installed
directory, but anybody who was consulting documentation from within
the build tree will have to adjust where they're looking.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20210115154449.4801-1-peter.maydell@linaro.org
2021-01-19 15:45:14 +00:00
Richard Henderson
eb94284d08 target/arm: Add cpu properties to control pauth
The crypto overhead of emulating pauth can be significant for
some workloads.  Add two boolean properties that allows the
feature to be turned off, on with the architected algorithm,
or on with an implementation defined algorithm.

We need two intermediate booleans to control the state while
parsing properties lest we clobber ID_AA64ISAR1 into an invalid
intermediate state.

Tested-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210111235740.462469-3-richard.henderson@linaro.org
[PMM: fixed docs typo, tweaked text to clarify that the impdef
algorithm is specific to QEMU]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-01-19 14:38:51 +00:00
Philippe Mathieu-Daudé
cd669e2051 docs/system: Remove deprecated 'fulong2e' machine alias
The 'fulong2e' machine alias has been marked as deprecated since
QEMU v5.1 (commit c3a09ff68d, the machine is renamed 'fuloong2e').
Time to remove it now.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Huacai Chen <chenhuacai@kernel.org>
Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-Id: <20210106184602.3771551-1-f4bug@amsat.org>
2021-01-14 17:13:54 +01:00
Peter Maydell
6b63d12612 * UI configury cleanups and Meson conversion
* scripts/gdb improvements
 * WHPX cleanups and fixes
 * cirrus win32 CI improvements
 * meson gnutls workaround
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Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging

* UI configury cleanups and Meson conversion
* scripts/gdb improvements
* WHPX cleanups and fixes
* cirrus win32 CI improvements
* meson gnutls workaround

# gpg: Signature made Tue 12 Jan 2021 16:05:19 GMT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini-gitlab/tags/for-upstream:
  target/i386: Use X86Seg enum for segment registers
  configure: quote command line arguments in config.status
  configure: move Cocoa incompatibility checks to Meson
  configure: move GTK+ detection to Meson
  configure: move X11 detection to Meson
  gtk: remove CONFIG_GTK_GL
  cocoa: do not enable coreaudio automatically
  virtio-scsi: trace events
  meson: Propagate gnutls dependency
  Docs/RCU: Correct sample code of qatomic_rcu_set
  scripts/gdb: implement 'qemu bt'
  scripts/gdb: fix 'qemu coroutine' when users selects a non topmost stack frame
  meson: fix Cocoa option in summary
  whpx: move whpx_lapic_state from header to c file
  maintainers: Add me as Windows Hosted Continuous Integration maintainer
  cirrus/msys2: Cache msys2 mingw in a better way.
  cirrus/msys2: Exit powershell with $LastExitCode
  whpx: move internal definitions to whpx-internal.h
  whpx: rename whp-dispatch to whpx-internal.h
  meson: do not use CONFIG_VIRTFS

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-01-12 23:22:53 +00:00
Hao Wu
1e943c586a hw/misc: Add a PWM module for NPCM7XX
The PWM module is part of NPCM7XX module. Each NPCM7XX module has two
identical PWM modules. Each module contains 4 PWM entries. Each PWM has
two outputs: frequency and duty_cycle. Both are computed using inputs
from software side.

This module does not model detail pulse signals since it is expensive.
It also does not model interrupts and watchdogs that are dependant on
the detail models. The interfaces for these are left in the module so
that anyone in need for these functionalities can implement on their
own.

The user can read the duty cycle and frequency using qom-get command.

Reviewed-by: Havard Skinnemoen <hskinnemoen@google.com>
Reviewed-by: Tyrone Ting <kfting@nuvoton.com>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20210108190945.949196-5-wuhaotsh@google.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-01-12 21:19:02 +00:00
Hao Wu
77c05b0b74 hw/adc: Add an ADC module for NPCM7XX
The ADC is part of NPCM7XX Module. Its behavior is controled by the
ADC_CON register. It converts one of the eight analog inputs into a
digital input and stores it in the ADC_DATA register when enabled.

Users can alter input value by using qom-set QMP command.

Reviewed-by: Havard Skinnemoen <hskinnemoen@google.com>
Reviewed-by: Tyrone Ting <kfting@nuvoton.com>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20210108190945.949196-4-wuhaotsh@google.com
[PMM: Added missing hw/adc/trace.h file]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-01-12 21:19:02 +00:00
Keqian Zhu
d533d6359b Docs/RCU: Correct sample code of qatomic_rcu_set
Correct sample code to avoid confusing readers.

Signed-off-by: Keqian Zhu <zhukeqian1@huawei.com>
Cc: qemu-trivial@nongnu.org
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <20210106071710.15836-1-zhukeqian1@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-12 12:38:03 +01:00
Peter Maydell
fa56cf7e86 docs: Add qemu-storage-daemon(1) manpage to meson.build
In commit 1982e1602d we added a new qemu-storage-daemon(1) manpage.
At the moment new manpages have to be listed both in the conf.py for
Sphinx and also in docs/meson.build for Meson. We forgot the second
of those -- correct the omission.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20210108161416.21129-2-peter.maydell@linaro.org
2021-01-12 10:26:57 +00:00
Bin Meng
c9f8511ea8 docs/system: arm: Add sabrelite board description
This adds the target guide for SABRE Lite board, and documents how
to boot a Linux kernel and U-Boot bootloader.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20210106063504.10841-5-bmeng.cn@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-01-08 15:13:39 +00:00
Peter Maydell
aadac5b3d9 From Alex's pull request:
* improve cross-build KVM coverage
 * new --without-default-features configure flag
 * add __repr__ for ConsoleSocket for debugging
 * build tcg tests with -Werror
 * test 32 bit builds with fedora
 * remove last traces of debian9
 * hotfix for centos8 powertools repo
 
 * Move lots of feature detection code to meson (Alex, myself)
 * CFI and LTO support (Daniele)
 * test-char dangling pointer (Eduardo)
 * Build system and win32 fixes (Marc-André)
 * Initialization fixes (myself)
 * TCG include cleanup (Richard, myself)
 * x86 'int N' fix (Peter)
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Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging

From Alex's pull request:
* improve cross-build KVM coverage
* new --without-default-features configure flag
* add __repr__ for ConsoleSocket for debugging
* build tcg tests with -Werror
* test 32 bit builds with fedora
* remove last traces of debian9
* hotfix for centos8 powertools repo

* Move lots of feature detection code to meson (Alex, myself)
* CFI and LTO support (Daniele)
* test-char dangling pointer (Eduardo)
* Build system and win32 fixes (Marc-André)
* Initialization fixes (myself)
* TCG include cleanup (Richard, myself)
* x86 'int N' fix (Peter)

# gpg: Signature made Wed 06 Jan 2021 09:21:25 GMT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini-gitlab/tags/for-upstream: (52 commits)
  win32: drop fd registration to the main-loop on setting non-block
  configure: move tests/qemu-iotests/common.env generation to meson
  meson.build: convert --with-default-devices to meson
  libattr: convert to meson
  cap_ng: convert to meson
  virtfs: convert to meson
  seccomp: convert to meson
  zstd: convert to meson
  lzfse: convert to meson
  snappy: convert to meson
  lzo: convert to meson
  rbd: convert to meson
  libnfs: convert to meson
  libiscsi: convert to meson
  bzip2: convert to meson
  glusterfs: convert to meson
  curl: convert to meson
  curl: remove compatibility code, require 7.29.0
  brlapi: convert to meson
  configure: remove CONFIG_FILEVERSION and CONFIG_PRODUCTVERSION
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	trace/meson.build
2021-01-06 15:55:29 +00:00
Peter Maydell
2e0b5bbe81 MIPS patches queue
- Use PCI macros (Philippe Mathieu-Daudé)
 - Clean up VT82C686B south bridge (BALATON Zoltan)
 - Introduce clock_ticks_to_ns() (Peter Maydell)
 - Add Loongson-3 machine (Huacai Chen)
 - Make addresses used by bootloader unsigned (Jiaxun Yang)
 - Clean fuloong2e PROM environment (Jiaxun Yang)
 - Add integration test of fuloong2e booting Linux (Jiaxun Yang)
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Merge remote-tracking branch 'remotes/philmd-gitlab/tags/mips-20210104' into staging

MIPS patches queue

- Use PCI macros (Philippe Mathieu-Daudé)
- Clean up VT82C686B south bridge (BALATON Zoltan)
- Introduce clock_ticks_to_ns() (Peter Maydell)
- Add Loongson-3 machine (Huacai Chen)
- Make addresses used by bootloader unsigned (Jiaxun Yang)
- Clean fuloong2e PROM environment (Jiaxun Yang)
- Add integration test of fuloong2e booting Linux (Jiaxun Yang)

# gpg: Signature made Mon 04 Jan 2021 22:37:48 GMT
# 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-20210104: (35 commits)
  tests/acceptance: Test boot_linux_console for fuloong2e
  hw/mips/fuloong2e: Correct cpuclock in PROM environment
  hw/mips/fuloong2e: Remove unused env entry
  hw/mips/fuloong2e: Replace faulty documentation links
  hw/mips/fuloong2e: Remove define DEBUG_FULOONG2E_INIT
  hw/mips: Use address translation helper to handle ENVP_ADDR
  hw/mips/malta: Use address translation helper to calculate bootloader_run_addr
  hw/mips: Make bootloader addresses unsigned
  docs/system: Update MIPS machine documentation
  hw/mips: Add Loongson-3 machine support
  hw/mips: Add Loongson-3 boot parameter helpers
  hw/mips: Implement fw_cfg_arch_key_name()
  hw/intc: Rework Loongson LIOINTC
  clock: Define and use new clock_display_freq()
  clock: Remove clock_get_ns()
  target/mips: Don't use clock_get_ns() in clock period calculation
  clock: Introduce clock_ticks_to_ns()
  vt82c686: Rename superio config related parts
  vt82c686: Use shorter name for local variable holding object state
  vt82c686: Remove unneeded includes and defines
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-01-05 21:06:42 +00:00
Huacai Chen
c7784e42c7 docs/system: Update MIPS machine documentation
Update MIPS machine documentation to add Loongson-3 based machine description.

Signed-off-by: Huacai Chen <chenhuacai@kernel.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201221110538.3186646-6-chenhuacai@kernel.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-01-04 23:36:03 +01:00
Peter Maydell
b7cd9c1e84 clock: Define and use new clock_display_freq()
It's common to want to print a human-readable indication of a clock's
frequency. Provide a utility function in the clock API to return a
string which is a displayable representation of the frequency,
and use it in qdev-monitor.c.

Before:

  (qemu) info qtree
  [...]
  dev: xilinx,zynq_slcr, id ""
    clock-in "ps_clk" freq_hz=3.333333e+07
    mmio 00000000f8000000/0000000000001000

After:

  dev: xilinx,zynq_slcr, id ""
    clock-in "ps_clk" freq_hz=33.3 MHz
    mmio 00000000f8000000/0000000000001000

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Luc Michel <luc@lmichel.fr>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201215150929.30311-5-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-01-04 23:24:44 +01:00
Peter Maydell
de6a65f11d clock: Remove clock_get_ns()
Remove the now-unused clock_get_ns() API and the CLOCK_PERIOD_TO_NS()
macro that only it was using.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Luc Michel <luc@lmichel.fr>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201215150929.30311-4-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-01-04 23:24:44 +01:00
Peter Maydell
554d523785 clock: Introduce clock_ticks_to_ns()
The clock_get_ns() API claims to return the period of a clock in
nanoseconds. Unfortunately since it returns an integer and a
clock's period is represented in units of 2^-32 nanoseconds,
the result is often an approximation, and calculating a clock
expiry deadline by multiplying clock_get_ns() by a number-of-ticks
is unacceptably inaccurate.

Introduce a new API clock_ticks_to_ns() which returns the number
of nanoseconds it takes the clock to make a given number of ticks.
This function can do the complete calculation internally and
will thus give a more accurate result.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Luc Michel <luc@lmichel.fr>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201215150929.30311-2-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-01-04 23:24:44 +01:00
Stefan Hajnoczi
c05012a365 tracetool: add output filename command-line argument
The tracetool.py script writes to stdout. This means the output filename
is not available to the script. Add the output filename to the
command-line so that the script has access to the filename.

This also simplifies the tracetool.py invocation. It's no longer
necessary to use meson's custom_build(capture : true) to save output.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200827142915.108730-2-stefanha@redhat.com>
2021-01-04 14:24:58 +00:00
Paolo Bonzini
0a18911074 meson: cleanup Kconfig.host handling
Build the array of command line arguments coming from config_host
once for all targets.  Add all accelerators to accel/Kconfig so
that the command line arguments for accelerators can be computed
easily in the existing "foreach sym: accelerators" loop.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-02 21:03:36 +01:00
Daniele Buono
a111824382 docs: Add CFI Documentation
Document how to compile with CFI and how to maintain CFI-safe code

Signed-off-by: Daniele Buono <dbuono@linux.vnet.ibm.com>
Message-Id: <20201204230615.2392-6-dbuono@linux.vnet.ibm.com>
[Make build system section in index.rst and add the new file. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-02 21:03:36 +01:00
Peter Maydell
1f7c02797f QAPI patches patches for 2020-12-19
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Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2020-12-19' into staging

QAPI patches patches for 2020-12-19

# gpg: Signature made Sat 19 Dec 2020 09:40:05 GMT
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-qapi-2020-12-19: (33 commits)
  qobject: Make QString immutable
  block: Use GString instead of QString to build filenames
  keyval: Use GString to accumulate value strings
  json: Use GString instead of QString to accumulate strings
  migration: Replace migration's JSON writer by the general one
  qobject: Factor JSON writer out of qobject_to_json()
  qobject: Factor quoted_str() out of to_json()
  qobject: Drop qstring_get_try_str()
  qobject: Drop qobject_get_try_str()
  Revert "qobject: let object_property_get_str() use new API"
  block: Avoid qobject_get_try_str()
  qmp: Fix tracing of non-string command IDs
  qobject: Move internals to qobject-internal.h
  hw/rdma: Replace QList by GQueue
  Revert "qstring: add qstring_free()"
  qobject: Change qobject_to_json()'s value to GString
  qobject: Use GString instead of QString to accumulate JSON
  qobject: Make qobject_to_json_pretty() take a pretty argument
  monitor: Use GString instead of QString for output buffer
  hmp: Simplify how qmp_human_monitor_command() gets output
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-01-01 14:33:03 +00:00
Peter Maydell
26f6b15e26 Block patches:
- New block filter: preallocate (which, on writes beyond an image file's
   end, allocates big chunks of data so that such post-EOF writes will
   occur less frequently)
 - write-zeroes and block-status support for Quorum
 - Implementation of truncate for the nvme block driver similarly to the
   existing implementations for host block devices and iscsi devices
 - Block layer refactoring: Drop the tighten_restrictions concept in the
   block permission functions
 - iotest fixes
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 =z+7k
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/maxreitz/tags/pull-block-2020-12-18' into staging

Block patches:
- New block filter: preallocate (which, on writes beyond an image file's
  end, allocates big chunks of data so that such post-EOF writes will
  occur less frequently)
- write-zeroes and block-status support for Quorum
- Implementation of truncate for the nvme block driver similarly to the
  existing implementations for host block devices and iscsi devices
- Block layer refactoring: Drop the tighten_restrictions concept in the
  block permission functions
- iotest fixes

# gpg: Signature made Fri 18 Dec 2020 14:45:30 GMT
# gpg:                using RSA key 91BEB60A30DB3E8857D11829F407DB0061D5CF40
# gpg:                issuer "mreitz@redhat.com"
# gpg: Good signature from "Max Reitz <mreitz@redhat.com>" [full]
# Primary key fingerprint: 91BE B60A 30DB 3E88 57D1  1829 F407 DB00 61D5 CF40

* remotes/maxreitz/tags/pull-block-2020-12-18: (30 commits)
  iotests: Fix _send_qemu_cmd with bash 5.1
  iotests/102: Pass $QEMU_HANDLE to _send_qemu_cmd
  block/nvme: Implement fake truncate() coroutine
  quorum: Implement bdrv_co_pwrite_zeroes()
  quorum: Implement bdrv_co_block_status()
  scripts/simplebench: add bench_prealloc.py
  simplebench/results_to_text: make executable
  simplebench/results_to_text: add difference line to the table
  simplebench/results_to_text: improve view of the table
  simplebench: move results_to_text() into separate file
  simplebench: rename ascii() to results_to_text()
  scripts/simplebench: use standard deviation for +- error
  scripts/simplebench: support iops
  scripts/simplebench: fix grammar: s/successed/succeeded/
  iotests: add 298 to test new preallocate filter driver
  iotests.py: execute_setup_common(): add required_fmts argument
  iotests: qemu_io_silent: support --image-opts
  qemu-io: add preallocate mode parameter for truncate command
  block: introduce preallocate filter
  block: bdrv_check_perm(): process children anyway
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-12-31 23:26:46 +00:00
Peter Maydell
c7e48f9165 Block layer patches:
- Add qemu-storage-daemon documentation
 - hw/block/nand: Decommission the NAND museum
 - vpc: Clean up some buffer abuse
 - nfs: fix int overflow in nfs_client_open_qdict
 - Several iotests fixes
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block layer patches:

- Add qemu-storage-daemon documentation
- hw/block/nand: Decommission the NAND museum
- vpc: Clean up some buffer abuse
- nfs: fix int overflow in nfs_client_open_qdict
- Several iotests fixes

# gpg: Signature made Fri 18 Dec 2020 12:07:30 GMT
# gpg:                using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg:                issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* remotes/kevin/tags/for-upstream:
  block/vpc: Use sizeof() instead of HEADER_SIZE for footer size
  block/vpc: Pass footer buffers as VHDFooter * instead of uint8_t *
  block/vpc: Pad VHDFooter, replace uint8_t[] buffers
  block/vpc: Use sizeof() instead of 1024 for dynamic header size
  block/vpc: Pad VHDDynDiskHeader, replace uint8_t[] buffers
  block/vpc: Make vpc_checksum() take void *
  block/vpc: Don't abuse the footer buffer for dynamic header
  block/vpc: Don't abuse the footer buffer as BAT sector buffer
  block/vpc: Make vpc_open() read the full dynamic header
  iotests:172: use _filter_qom_path
  iotests: make _filter_qom_path more strict
  MAINTAINERS: add Kevin Wolf as storage daemon maintainer
  docs: add qemu-storage-daemon(1) man page
  docs: generate qemu-storage-daemon-qmp-ref(7) man page
  block/nfs: fix int overflow in nfs_client_open_qdict
  hw/block/nand: Decommission the NAND museum
  iotests/210: Fix reference output

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-12-31 19:16:13 +00:00
Peter Maydell
3fb340ccf5 Monitor, virtiofsd and migration pull
HMP cleanups
 Migration fixes
   Note the change in behaviour of not allowing a postmigrate migrtion
   rather than crashing
 
 Virtiofsd cleanups and fixes
   --thread-pool-size=0 for no thread pool (faster for some workloads)
 
 Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/dgilbert/tags/pull-migration-20201218a' into staging

Monitor, virtiofsd and migration pull

HMP cleanups
Migration fixes
  Note the change in behaviour of not allowing a postmigrate migrtion
  rather than crashing

Virtiofsd cleanups and fixes
  --thread-pool-size=0 for no thread pool (faster for some workloads)

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

# gpg: Signature made Fri 18 Dec 2020 10:39:37 GMT
# gpg:                using RSA key 45F5C71B4A0CB7FB977A9FA90516331EBC5BFDE7
# gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>" [full]
# Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A  9FA9 0516 331E BC5B FDE7

* remotes/dgilbert/tags/pull-migration-20201218a:
  migration: Don't allow migration if vm is in POSTMIGRATE
  savevm: Delete snapshots just created in case of error
  savevm: Remove dead code in save_snapshot()
  docs/devel/migration: Improve debugging section a bit
  virtiofsd: Remove useless code about send_notify_iov
  virtiofsd: update FUSE_FORGET comment on "lo_inode.nlookup"
  virtiofsd: Check file type in lo_flush()
  virtiofsd: Disable posix_lock hash table if remote locks are not enabled
  virtiofsd: Set up posix_lock hash table for root inode
  virtiofsd: make the debug log timestamp on stderr more human-readable
  virtiofsd: Use --thread-pool-size=0 to mean no thread pool
  hmp-commands.hx: List abbreviation after command for cont, quit, print
  monitor:Don't use '#' flag of printf format ('%#') in format strings
  monitor:braces {} are necessary for all arms of this statement
  monitor:open brace '{' following struct go on the same line

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-12-31 15:55:11 +00:00
Eric Blake
54aa3de72e qapi: Use QAPI_LIST_PREPEND() where possible
Anywhere we create a list of just one item or by prepending items
(typically because order doesn't matter), we can use
QAPI_LIST_PREPEND().  But places where we must keep the list in order
by appending remain open-coded until later patches.

Note that as a side effect, this also performs a cleanup of two minor
issues in qga/commands-posix.c: the old code was performing
 new = g_malloc0(sizeof(*ret));
which 1) is confusing because you have to verify whether 'new' and
'ret' are variables with the same type, and 2) would conflict with C++
compilation (not an actual problem for this file, but makes
copy-and-paste harder).

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20201113011340.463563-5-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
[Straightforward conflicts due to commit a8aa94b5f8 "qga: update
schema for guest-get-disks 'dependents' field" and commit a10b453a52
"target/mips: Move mips_cpu_add_definition() from helper.c to cpu.c"
resolved.  Commit message tweaked.]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-12-19 10:20:14 +01:00
Vladimir Sementsov-Ogievskiy
33fa2222eb block: introduce preallocate filter
It's intended to be inserted between format and protocol nodes to
preallocate additional space (expanding protocol file) on writes
crossing EOF. It improves performance for file-systems with slow
allocation.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20201021145859.11201-9-vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
[mreitz: Two comment fixes, and bumped the version from 5.2 to 6.0]
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-12-18 12:35:55 +01:00
Stefan Hajnoczi
1982e1602d docs: add qemu-storage-daemon(1) man page
Document the qemu-storage-daemon tool. Most of the command-line options
are identical to their QEMU counterparts. Perhaps Sphinx hxtool
integration could be extended to extract documentation for individual
command-line options so they can be shared. For now the
qemu-storage-daemon simply refers to the qemu(1) man page where the
command-line options are identical.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20201209103802.350848-3-stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-18 11:48:39 +01:00
Stefan Hajnoczi
23c02ace35 docs: generate qemu-storage-daemon-qmp-ref(7) man page
Although individual qemu-storage-daemon QMP commands are identical to
QEMU QMP commands, qemu-storage-daemon only supports a subset of QEMU's
QMP commands. Generate a manual page of just the commands supported by
qemu-storage-daemon so that users know exactly what is available in
qemu-storage-daemon.

Add an h1 heading in storage-daemon/qapi/qapi-schema.json so that
block-core.json is at the h2 heading level.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20201209103802.350848-2-stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-18 11:48:39 +01:00
Markus Armbruster
243e7480d5 docs/devel/migration: Improve debugging section a bit
Fix typos, and make the example work out of the box.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201217071450.701909-1-armbru@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-12-18 10:08:24 +00:00
Philippe Mathieu-Daudé
c8a03a8f95 docs/user: Display linux-user binaries nicely
linux-user binaries are displayed altogether. Use the '*'
character to force displaying them as bullet list (one list
per architecture).

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20201119160838.1981709-1-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-12-17 11:23:26 +01:00
Marc-André Lureau
daf07a6714 docs: set CONFDIR when running sphinx
The default configuration path /etc/qemu can be overriden with configure
options, and the generated documentation used to reflect it.

Fixes regression introduced in commit
f8aa24ea9a ("meson: sphinx-build").

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1902537
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20201201183704.299697-1-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-15 12:52:06 -05:00
Thomas Huth
90d6a086bb Remove the deprecated -show-cursor option
It has been marked as deprecated since QEMU v5.0, replaced by the
corresponding parameter of the -display option.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20201210155808.233895-5-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-15 12:52:03 -05:00
Thomas Huth
c8c9dc42b7 Remove the deprecated -realtime option
It has been marked as deprecated since QEMU v4.2, replaced by
the -overcommit option. Time to remove it now.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20201210155808.233895-4-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-15 12:52:02 -05:00
Thomas Huth
2c5060cd32 docs/system: Move the list of removed features to a separate file
Otherwise there is a chance that new deprecated features get added
to the list of removed features at the end of the file by accident.
It's way less confusing if the removed features reside in a separate
file.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20201210155808.233895-3-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-15 12:52:02 -05:00
Philippe Mathieu-Daudé
e76f68d3cc accel/tcg: Remove deprecated '-tb-size' option
The '-tb-size' option (replaced by '-accel tcg,tb-size') is
deprecated since 5.0 (commit fe17413247). Remove it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20201202112714.1223783-1-philmd@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20201210155808.233895-2-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-15 12:52:01 -05:00
Greg Kurz
f518be3aa3 target/ppc: Remove "compat" property of server class POWER CPUs
This property has been deprecated since QEMU 5.0 by commit 22062e54bb.
We only kept a legacy hack that internally converts "compat" into the
official "max-cpu-compat" property of the pseries machine type.

According to our deprecation policy, we could have removed it for QEMU 5.2
already. Do it now ; since ppc_cpu_parse_featurestr() now just calls the
generic parent_parse_features handler, drop it as well.

Users are supposed to use the "max-cpu-compat" property of the pseries
machine type instead.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <20201201131103.897430-1-groug@kaod.org>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-12-14 15:54:12 +11:00
Peter Maydell
b785d25e91 * Fix for NULL segments (Bin Meng)
* Support for 32768 CPUs on x86 without IOMMU (David)
 * PDEP/PEXT fix and testcase (myself)
 * Remove bios_name and ram_size globals (myself)
 * qemu_init rationalization (myself)
 * Update kernel-doc (myself + upstream patches)
 * Propagate MemTxResult across DMA and PCI functions (Philippe)
 * Remove master/slave when applicable (Philippe)
 * WHPX support for in-kernel irqchip (Sunil)
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Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging

* Fix for NULL segments (Bin Meng)
* Support for 32768 CPUs on x86 without IOMMU (David)
* PDEP/PEXT fix and testcase (myself)
* Remove bios_name and ram_size globals (myself)
* qemu_init rationalization (myself)
* Update kernel-doc (myself + upstream patches)
* Propagate MemTxResult across DMA and PCI functions (Philippe)
* Remove master/slave when applicable (Philippe)
* WHPX support for in-kernel irqchip (Sunil)

# gpg: Signature made Thu 10 Dec 2020 17:21:50 GMT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini-gitlab/tags/for-upstream: (113 commits)
  scripts: kernel-doc: remove unnecessary change wrt Linux
  Revert "docs: temporarily disable the kernel-doc extension"
  scripts: kernel-doc: use :c:union when needed
  scripts: kernel-doc: split typedef complex regex
  scripts: kernel-doc: fix typedef parsing
  Revert "kernel-doc: Handle function typedefs that return pointers"
  Revert "kernel-doc: Handle function typedefs without asterisks"
  scripts: kernel-doc: try to use c:function if possible
  scripts: kernel-doc: fix line number handling
  scripts: kernel-doc: allow passing desired Sphinx C domain dialect
  scripts: kernel-doc: don't mangle with parameter list
  scripts: kernel-doc: fix typedef identification
  scripts: kernel-doc: reimplement -nofunction argument
  scripts: kernel-doc: fix troubles with line counts
  scripts: kernel-doc: use a less pedantic markup for funcs on Sphinx 3.x
  scripts: kernel-doc: make it more compatible with Sphinx 3.x
  Revert "kernel-doc: Use c:struct for Sphinx 3.0 and later"
  Revert "scripts/kerneldoc: For Sphinx 3 use c:macro for macros with arguments"
  scripts: kernel-doc: add support for typedef enum
  kernel-doc: add support for ____cacheline_aligned attribute
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-12-11 13:50:35 +00:00
Paolo Bonzini
07d7186c30 Revert "docs: temporarily disable the kernel-doc extension"
This reverts commit fd68a72875cf318f4310726f842139119c5f45d5.  We're
done with the update of kernel-doc and we can restore kernel-doc's
functionality.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-10 12:15:25 -05:00
Mauro Carvalho Chehab
486966e4a4 scripts: kernel-doc: allow passing desired Sphinx C domain dialect
When kernel-doc is called via kerneldoc.py, there's no need to
auto-detect the Sphinx version, as the Sphinx module already
knows it. So, add an optional parameter to allow changing the
Sphinx dialect.

As kernel-doc can also be manually called, keep the auto-detection
logic if the parameter was not specified. On such case, emit
a warning if sphinx-build can't be found at PATH.

I ended using a suggestion from Joe for using a more readable
regex, instead of using a complex one with a hidden group like:

	m/^(\d+)\.(\d+)(?:\.?(\d+)?)/

in order to get the optional <patch> argument.

Thanks-to: Joe Perches <joe@perches.com>
Suggested-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201117165312.118257-23-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-10 12:15:23 -05:00
Paolo Bonzini
46ae6e8f82 Revert "kernel-doc: Use c:struct for Sphinx 3.0 and later"
This reverts commit 152d1967f6.
We will replace the commit with the fix from Linux.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201117165312.118257-16-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-10 12:15:22 -05:00
Paolo Bonzini
f79248b53b docs: temporarily disable the kernel-doc extension
Preserve bisectability while we update scripts/kernel-doc from Linux.
Without this patch, building with Sphinx 3 would break while we
revert our own Sphinx 3 support and replace it with Linux's.

Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-10 12:15:19 -05:00
Paolo Bonzini
991c180d74 treewide: do not use short-form boolean options
They are going to be deprecated, avoid warnings on stdout while the
tests run.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-10 12:15:11 -05:00
Philippe Mathieu-Daudé
a6195b5b36 docs/devel/loads-stores: Add regexp for DMA functions
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20201023151923.3243652-3-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-10 12:15:01 -05:00
Zihao Chang
4eb79bdf87 docs/devel/writing-qmp-commands.txt: Fix docs
Fix the example of add qmp hello-world example.
Without ":", make will report error:
../qapi/misc.json:573:2: line should end with ':'

Signed-off-by: Zihao Chang <changzihao1@huawei.com>
Message-Id: <20201201143308.1626-1-changzihao1@huawei.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-12-10 17:16:44 +01:00
Igor Mammedov
1e6107d901 acpi: cpuhp: introduce 'firmware performs eject' status/control bits
Adds bit #4 to status/control field of CPU hotplug MMIO interface.
New bit will be used OSPM to mark CPUs as pending for removal by firmware,
when it calls _EJ0 method on CPU device node. Later on, when firmware
sees this bit set, it will perform CPU eject which will clear bit #4
as well.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20201207140739.3829993-3-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-12-09 13:04:17 -05:00
Peter Maydell
c6ff78563a docs/system/pr-manager.rst: Fix minor docs nits
Fix a couple of nits in pr-manager.rst:
 * the title marker for the top level heading is overlength
 * stray capital 'R' in the middle of a sentence

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2020-11-23 11:10:04 +00:00
Peter Maydell
773ee3f1ea docs: Split qemu-pr-helper documentation into tools manual
Split the documentation of the qemu-pr-helper binary into the tools
manual, and give it a manpage like our other standalone executables.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2020-11-23 11:10:04 +00:00
Peter Maydell
0daf34fd3a docs: Move pr-manager.rst into the system manual
Move the pr-manager documentation into the system manual.
Some of it (the documentation of the pr-manager-helper tool)
should be in tools, but we will split it up after moving it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2020-11-23 11:10:04 +00:00
Peter Maydell
e8eee8d3d9 docs: Move microvm.rst into the system manual
Now that target-i386.rst has a place to list documentation of
machines other than the 'pc' machine, we have a place we can
move the microvm documentation to.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2020-11-23 11:10:04 +00:00