This is a part of patchset where IBM's Flexible Service Interface is
introduced.
The Common FRU Access Macro (CFAM), an address space containing
various "engines" that drive accesses on busses internal and external
to the POWER chip. Examples include the SBEFIFO and I2C masters. The
engines hang off of an internal Local Bus (LBUS) which is described
by the CFAM configuration block.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Ninad Palsule <ninad@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
[ clg: - moved object FSIScratchPad under FSICFAMState
- moved FSIScratchPad code under cfam.c
- introduced fsi_cfam_instance_init()
- reworked fsi_cfam_realize() ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This is a part of patchset where IBM's Flexible Service Interface is
introduced.
The FSI slave: The slave is the terminal point of the FSI bus for
FSI symbols addressed to it. Slaves can be cascaded off of one
another. The slave's configuration registers appear in address space
of the CFAM to which it is attached.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Ninad Palsule <ninad@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This is a part of patchset where FSI bus is introduced.
The FSI bus is a simple bus where FSI master is attached.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Ninad Palsule <ninad@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
[ clg: - removed include/hw/fsi/engine-scratchpad.h and
hw/fsi/engine-scratchpad.c
- dropped FSI_SCRATCHPAD
- included FSIBus definition
- dropped hw/fsi/trace-events changes ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This is a part of patchset where IBM's Flexible Service Interface is
introduced.
The scratchpad provides a set of non-functional registers. The firmware
is free to use them, hardware does not support any special management
support. The scratchpad registers can be read or written from LBUS
slave. The scratch pad is managed under FSI CFAM state.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Ninad Palsule <ninad@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
[ clg: - moved object FSIScratchPad under FSICFAMState
- moved FSIScratchPad code under cfam.c ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This is a part of patchset where IBM's Flexible Service Interface is
introduced.
The LBUS is modelled to maintain mapped memory for the devices. The
memory is mapped after CFAM config, peek table and FSI slave registers.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Ninad Palsule <ninad@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
[ clg: - removed lbus_add_device() bc unused
- removed lbus_create_device() bc used only once
- removed "address" property
- updated meson.build to build fsi dir
- included an empty hw/fsi/trace-events ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Aspeed SoCs use a single CPU type (set as AspeedSoCClass::cpu_type).
Convert it to a NULL-terminated array (of a single non-NULL element).
Set MachineClass::valid_cpu_types[] to use the common machine code
to provide hints when the requested CPU is invalid (see commit
e702cbc19e ("machine: Improve is_cpu_type_supported()").
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
In order to alter AspeedSoCClass::cpu_type in the next
commit, introduce the aspeed_soc_cpu_type() helper to
retrieve the per-SoC CPU type from AspeedSoCClass.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
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Merge tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu into staging
trivial patches for 2024-01-31
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# gpg: Signature made Wed 31 Jan 2024 11:55:19 GMT
# gpg: using RSA key 7B73BAD68BE7A2C289314B22701B4F6B1A693E59
# gpg: issuer "mjt@tls.msk.ru"
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>" [full]
# gpg: aka "Michael Tokarev <mjt@corpit.ru>" [full]
# gpg: aka "Michael Tokarev <mjt@debian.org>" [full]
# Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D 4324 457C E0A0 8044 65C5
# Subkey fingerprint: 7B73 BAD6 8BE7 A2C2 8931 4B22 701B 4F6B 1A69 3E59
* tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu: (21 commits)
hw/hyperv: Include missing headers
hw/intc/xics: Include missing 'cpu.h' header
hw/arm: Add `\n` to hint message
hw/loongarch: Add `\n` to hint message
hw/i386: Add `\n` to hint message
backends/hostmem: Fix block comments style (checkpatch.pl warnings)
misc: Clean up includes
riscv: Clean up includes
cxl: Clean up includes
include: Clean up includes
m68k: Clean up includes
acpi: Clean up includes
aspeed: Clean up includes
disas/riscv: Clean up includes
hyperv: Clean up includes
scripts/clean-includes: Update exclude list
mailmap: Fix Stefan Weil email
qemu-docs: Update options for graphical frontends
qapi/migration.json: Fix the member name for MigrationCapability
colo: examples: remove mentions of script= and (wrong) downscript=
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In cases where a device tries to read more bytes than the block device
contains, the error is vague: "device requires X bytes, block backend
provides Y bytes".
This patch changes the errors of this function to include the block
backend name, the device id and device type name where appropriate.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Message-id: 7260eadff22c08457740117c1bb7bd2b4353acb9.1706598705.git.manos.pitsidianakis@linaro.org
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Add a simple method to return some kind of human readable identifier for
use in error messages.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Message-id: 8b566bfced98ae44be1fcc1f8e7215f0c3393aa1.1706598705.git.manos.pitsidianakis@linaro.org
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit was created with scripts/clean-includes:
./scripts/clean-includes --git include include/*/*.h include/*/*/*.h
All .c should include qemu/osdep.h first. The script performs three
related cleanups:
* Ensure .c files include qemu/osdep.h first.
* Including it in a .h is redundant, since the .c already includes
it. Drop such inclusions.
* Likewise, including headers qemu/osdep.h includes is redundant.
Drop these, too.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit was created with scripts/clean-includes:
./scripts/clean-includes --git m68k include/hw/audio/asc.h include/hw/m68k/*.h
All .c should include qemu/osdep.h first. The script performs three
related cleanups:
* Ensure .c files include qemu/osdep.h first.
* Including it in a .h is redundant, since the .c already includes
it. Drop such inclusions.
* Likewise, including headers qemu/osdep.h includes is redundant.
Drop these, too.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit was created with scripts/clean-includes:
./scripts/clean-includes --git acpi include/hw/*/*acpi.h hw/*/*acpi.c
All .c should include qemu/osdep.h first. The script performs three
related cleanups:
* Ensure .c files include qemu/osdep.h first.
* Including it in a .h is redundant, since the .c already includes
it. Drop such inclusions.
* Likewise, including headers qemu/osdep.h includes is redundant.
Drop these, too.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
In order to make accel/tcg/ target agnostic,
introduce the cpu_exec_halt() handler.
Reviewed-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240124101639.30056-9-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
In order to make accel/tcg/ target agnostic,
introduce the need_replay_interrupt() handler.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Message-Id: <20240124101639.30056-7-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
QEMU coding style recommends using structure typedefs.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
tcg/ should not depend on accel/tcg/, but perf and debuginfo
support provided by the latter are being used by tcg/tcg.c.
Since that's the only user, move both to tcg/.
Suggested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20231212003837.64090-5-iii@linux.ibm.com>
Message-Id: <20240125054631.78867-5-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Currently tb_cflags() is defined in exec-all.h, which is not usable
from target-agnostic code. Move it to translation-block.h, which is.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20231212003837.64090-3-iii@linux.ibm.com>
Message-Id: <20240125054631.78867-3-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Always include fake_user_interrupt in user-only build, despite
only being used for i386. This will enable cpu-exec.c to be
compiled only once.
Signed-off-by: Anton Johansson <anjo@rev.ng>
Message-ID: <20240119144024.14289-18-anjo@rev.ng>
[rth: Split out of a larger patch; remove TARGET_I386 conditional.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The ifdef out of which it is moved is not quite right: do_interrupt is
only needed for system mode. Move it to the top of a different ifdef
block, which preserves its position within the structure for that case.
Signed-off-by: Anton Johansson <anjo@rev.ng>
Message-Id: <20240119144024.14289-18-anjo@rev.ng>
[rth: Split from a larger patch and simplified.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Functions are target independent.
Signed-off-by: Anton Johansson <anjo@rev.ng>
Message-Id: <20240119144024.14289-17-anjo@rev.ng>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
These don't vary across targets and are used in soon-to-be common code
(cputlb.c).
Signed-off-by: Anton Johansson <anjo@rev.ng>
Message-Id: <20240119144024.14289-15-anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Anton Johansson <anjo@rev.ng>
Message-Id: <20240119144024.14289-11-anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Updates target/ QEMU_LOG macros to use VADDR_PRIx for printing updated
DisasContextBase fields.
Signed-off-by: Anton Johansson <anjo@rev.ng>
Message-Id: <20240119144024.14289-10-anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Makes gen_intermediate_code() signature target agnostic so the function
can be called from accel/tcg/translate-all.c without target specifics.
Signed-off-by: Anton Johansson <anjo@rev.ng>
Message-Id: <20240119144024.14289-9-anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
cpu-common.h is only needed for vaddr
Signed-off-by: Anton Johansson <anjo@rev.ng>
Message-Id: <20240119144024.14289-8-anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Needed to work around circular includes. vaddr is currently defined in
cpu-common.h and needed by hw/core/cpu.h, but cpu-common.h also need
cpu.h to know the size of the CPUState.
[Maybe we can instead move parts of cpu-common.h w. hw/core/cpu.h to
sort out the circular inclusion.]
Signed-off-by: Anton Johansson <anjo@rev.ng>
Message-Id: <20240119144024.14289-7-anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
[rth: Add include of vaddr.h into cpu-common.h]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
- virtio-blk: Multiqueue fixes and cleanups
- blklogwrites: Fixes for write_zeroes and superblock update races
- commit/stream: Allow users to request only format driver names in
backing file format
- monitor: only run coroutine commands in qemu_aio_context
- Some iotest fixes
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Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging
Block layer patches
- virtio-blk: Multiqueue fixes and cleanups
- blklogwrites: Fixes for write_zeroes and superblock update races
- commit/stream: Allow users to request only format driver names in
backing file format
- monitor: only run coroutine commands in qemu_aio_context
- Some iotest fixes
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# gpg: using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg: issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6
* tag 'for-upstream' of https://repo.or.cz/qemu/kevin:
iotests/277: Use iotests.sock_dir for socket creation
iotests/iothreads-stream: Use the right TimeoutError
tests/unit: Bump test-replication timeout to 60 seconds
iotests/264: Use iotests.sock_dir for socket creation
block/blklogwrites: Protect mutable driver state with a mutex.
virtio-blk: always set ioeventfd during startup
virtio-blk: tolerate failure to set BlockBackend AioContext
virtio-blk: restart s->rq reqs in vq AioContexts
virtio-blk: rename dataplane to ioeventfd
virtio-blk: rename dataplane create/destroy functions
virtio-blk: move dataplane code into virtio-blk.c
monitor: only run coroutine commands in qemu_aio_context
iotests: port 141 to Python for reliable QMP testing
iotests: add filter_qmp_generated_node_ids()
stream: Allow users to request only format driver names in backing file format
commit: Allow users to request only format driver names in backing file format
string-output-visitor: Fix (pseudo) struct handling
block/blklogwrites: Fix a bug when logging "write zeroes" operations.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The const_le64() macro introduced in commit 845d80a8c7 turns out
to have a bug which means that on big-endian systems the compiler
complains if the argument isn't already a 64-bit type. This hasn't
caused a problem yet, because there are no in-tree uses, but it
means it's not possible for anybody to add one without it failing CI.
This example is from an attempted use of it with the argument '0',
from the s390 CI runner's gcc:
../block/blklogwrites.c: In function ‘blk_log_writes_co_do_log’:
../include/qemu/bswap.h:148:36: error: left shift count >= width of
type [-Werror=shift-count-overflow]
148 | ((((_x) & 0x00000000000000ffU) << 56) | \
| ^~
../block/blklogwrites.c:409:27: note: in expansion of macro ‘const_le64’
409 | .nr_entries = const_le64(0),
| ^~~~~~~~~~
../include/qemu/bswap.h:149:36: error: left shift count >= width of
type [-Werror=shift-count-overflow]
149 | (((_x) & 0x000000000000ff00U) << 40) | \
| ^~
../block/blklogwrites.c:409:27: note: in expansion of macro ‘const_le64’
409 | .nr_entries = const_le64(0),
| ^~~~~~~~~~
cc1: all warnings being treated as errors
Fix this by making all the constants in the macro have the ULL
suffix. This will cause them all to be 64-bit integers, which means
the result of the logical & will also be an unsigned 64-bit type,
even if the input to the macro is a smaller type, and so the shifts
will be in range.
Fixes: 845d80a8c7 ("qemu/bswap: Add const_le64()")
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Message-id: 20240122173735.472951-1-peter.maydell@linaro.org
This patch implements a 32 half word FIFO as per imx serial device
specifications. If a non empty FIFO is below the trigger level, an
ageing timer will tick for a duration of 8 characters. On expiry,
AGTIM will be set triggering an interrupt. AGTIM timer resets when
there is activity in the receive FIFO.
Otherwise, RRDY is set when trigger level is exceeded. The receive
trigger level is 8 in newer kernel versions and 1 in older ones.
This change will break migration compatibility for the imx boards.
Signed-off-by: Rayhan Faizel <rayhan.faizel@gmail.com>
Message-id: 20240125151931.83494-1-rayhan.faizel@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: commit message tidyups]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add MMDC, OCOTP, SQPI, CAAM, and USBMISC as unimplemented devices.
This allows operating systems such as Linux to run emulations such as
mcimx6ul-evk.
Before commit 0cd4926b85 ("Refactor i.MX6UL processor code"), the affected
memory ranges were covered by the unimplemented DAP device. The commit
reduced the DAP address range from 0x100000 to 4kB, and the emulation
thus no longer covered the various unimplemented devices in the affected
address range.
Fixes: 0cd4926b85 ("Refactor i.MX6UL processor code")
Cc: Jean-Christophe Dubois <jcd@tribudubois.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240120005356.2599547-1-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Now than we can access the M-profile bank index
definitions from the target-agnostic "cpu-qom.h"
header, we don't need the huge "cpu.h" anymore
(except in hw/arm/armv7m.c). Reduce its inclusion
to the source unit.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240118200643.29037-17-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
"target/arm/cpu.h" is target specific, any file including it
becomes target specific too, thus this is the same for any file
including "hw/misc/xlnx-versal-crl.h".
"hw/misc/xlnx-versal-crl.h" doesn't require any target specific
definition however, only the target-agnostic QOM definitions
from "target/arm/cpu-qom.h". Include the latter header to avoid
tainting unnecessary objects as target-specific.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240118200643.29037-14-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
include/hw/arm/xlnx-versal.h uses the ARMCPU structure which
is defined in the "target/arm/cpu.h" header. Include it in
order to avoid when refactoring unrelated headers:
In file included from hw/arm/xlnx-versal-virt.c:20:
include/hw/arm/xlnx-versal.h:62:23: error: array has incomplete element type 'ARMCPU' (aka 'struct ArchCPU')
ARMCPU cpu[XLNX_VERSAL_NR_ACPUS];
^
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240118200643.29037-5-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add watchdog timer support to Allwinner-H40 and Bananapi.
The watchdog timer is added as an overlay to the Timer
module memory map.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
Message-id: 20240115182757.1095012-4-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Allwinner R40 supports an AHCI compliant SATA controller.
Add support for it.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20240115182757.1095012-3-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Allwinner R40 supports two USB host ports shared between a USB 2.0 EHCI
host controller and a USB 1.1 OHCI host controller. Add support for both
of them.
If machine USB support is not enabled, create unimplemented devices
for the USB memory ranges to avoid crashes when booting Linux.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240115182757.1095012-2-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The dataplane code is really about using ioeventfd. It's used both for
IOThreads (what we think of as dataplane) and for the core virtio-pci
code's ioeventfd feature (which is enabled by default and used when no
IOThread has been specified). Rename the code to reflect this.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20240119135748.270944-4-stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The dataplane code used to be significantly different from the
non-dataplane code and therefore had a separate source file.
Over time the difference has gotten smaller because the I/O code paths
were unified. Nowadays the distinction between the VirtIOBlock and
VirtIOBlockDataPlane structs is more of an inconvenience that hinders
code simplification.
Move hw/block/dataplane/virtio-blk.c into hw/block/virtio-blk.c, merging
VirtIOBlockDataPlane's fields into VirtIOBlock.
hw/block/virtio-blk.c used VirtIOBlock->dataplane to check if
virtio_blk_data_plane_create() was successful. This is not necessary
because ->dataplane_started and ->dataplane_disabled can be used
instead. This patch makes those changes in order to drop
VirtIOBlock->dataplane.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20240119135748.270944-2-stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Introduce a new flag 'backing-mask-protocol' for the block-stream QMP
command which instructs the internals to use 'raw' instead of the
protocol driver in case when a image is used without a dummy 'raw'
wrapper.
The flag is designed such that it can be always asserted by management
tools even when there isn't any update to backing files.
The flag will be used by libvirt so that the backing images still
reference the proper format even when libvirt will stop using the dummy
raw driver (raw driver with no other config). Libvirt needs this so that
the images stay compatible with older libvirt versions which didn't
expect that a protocol driver name can appear in the backing file format
field.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-ID: <bbee9a0a59748a8893289bf8249f568f0d587e62.1701796348.git.pkrempa@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Introduce a new flag 'backing-mask-protocol' for the block-commit QMP
command which instructs the internals to use 'raw' instead of the
protocol driver in case when a image is used without a dummy 'raw'
wrapper.
The flag is designed such that it can be always asserted by management
tools even when there isn't any update to backing files.
The flag will be used by libvirt so that the backing images still
reference the proper format even when libvirt will stop using the dummy
raw driver (raw driver with no other config). Libvirt needs this so that
the images stay compatible with older libvirt versions which didn't
expect that a protocol driver name can appear in the backing file format
field.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-ID: <2cb46e37093ce793ea1604abc8bbb90f4c8e434b.1701796348.git.pkrempa@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Conversion of docs/devel/qapi-code-gen.txt to ReST left several
dangling references behind. Fix them to point to
docs/devel/qapi-code-gen.rst.
Fixes: f7aa076dbd (docs: convert qapi-code-gen.txt to ReST)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240120095327.666239-4-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Now that uri_resolve_relative() has been removed, this function is not
used in QEMU anymore - and if somebody needs this functionality, they
can simply use g_uri_escape_string() from the glib instead.
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: "Daniel P. Berrangé" <berrange@redhat.com>
Message-ID: <20240123182247.432642-4-thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
These rather complex functions have never been used since they've been
introduced in 2012, so looks like they are not really useful for QEMU.
And since the static normalize_uri_path() function is also only used by
uri_resolve(), we can remove that function now, too.
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: "Daniel P. Berrangé" <berrange@redhat.com>
Message-ID: <20240123182247.432642-3-thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
uri_string_unescape() basically does the same as the glib function
g_uri_unescape_segment(). So we can get rid of our implementation
completely by simply using the glib function instead.
Suggested-by: Stefan Weil <sw@weilnetz.de>
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20240123182247.432642-2-thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Thomas Huth <thuth@redhat.com>
