Fix is added to check for reserved value in select field for
namespace attachment
CC: Minwoo Im <minwoo.im.dev@gmail.com>
Signed-off-by: Naveen Nagar <naveen.n1@samsung.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
While we may have had some thought of allowing system-mode
to return from this hook, we have no guests that require this.
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
There is nothing target specific about this. The implementation
is host specific, but the declaration is 100% common.
Reviewed-By: Warner Losh <imp@bsdimp.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
- ePMP CSR address updates
- Convert internal interrupts to use QEMU GPIO lines
- SiFive PWM support
- Support for RISC-V ACLINT
- SiFive PDMA fixes
- Update to u-boot instructions for sifive_u
- mstatus.SD bug fix for hypervisor extensions
- OpenTitan fix for USB dev address
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Merge remote-tracking branch 'remotes/alistair23/tags/pull-riscv-to-apply-20210921' into staging
Second RISC-V PR for QEMU 6.2
- ePMP CSR address updates
- Convert internal interrupts to use QEMU GPIO lines
- SiFive PWM support
- Support for RISC-V ACLINT
- SiFive PDMA fixes
- Update to u-boot instructions for sifive_u
- mstatus.SD bug fix for hypervisor extensions
- OpenTitan fix for USB dev address
# gpg: Signature made Mon 20 Sep 2021 11:52:26 PM PDT
# gpg: using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: F6C4 AC46 D493 4868 D3B8 CE8F 21E1 0D29 DF97 7054
* remotes/alistair23/tags/pull-riscv-to-apply-20210921: (21 commits)
hw/riscv: opentitan: Correct the USB Dev address
target/riscv: csr: Rename HCOUNTEREN_CY and friends
target/riscv: Backup/restore mstatus.SD bit when virtual register swapped
docs/system/riscv: sifive_u: Update U-Boot instructions
hw/dma: sifive_pdma: don't set Control.error if 0 bytes to transfer
hw/dma: sifive_pdma: allow non-multiple transaction size transactions
hw/dma: sifive_pdma: claim bit must be set before DMA transactions
hw/dma: sifive_pdma: reset Next* registers when Control.claim is set
hw/riscv: virt: Add optional ACLINT support to virt machine
hw/riscv: virt: Re-factor FDT generation
hw/intc: Upgrade the SiFive CLINT implementation to RISC-V ACLINT
hw/intc: Rename sifive_clint sources to riscv_aclint sources
sifive_u: Connect the SiFive PWM device
hw/timer: Add SiFive PWM support
hw/intc: ibex_timer: Convert the timer to use RISC-V CPU GPIO lines
hw/intc: sifive_plic: Convert the PLIC to use RISC-V CPU GPIO lines
hw/intc: ibex_plic: Convert the PLIC to use RISC-V CPU GPIO lines
hw/intc: sifive_clint: Use RISC-V CPU GPIO lines
target/riscv: Expose interrupt pending bits as GPIO lines
target/riscv: Fix satp write
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Sleep on WFI until the VTIMER is due but allow ourselves to be woken
up on IPI.
In this implementation IPI is blocked on the CPU thread at startup and
pselect() is used to atomically unblock the signal and begin sleeping.
The signal is sent unconditionally so there's no need to worry about
races between actually sleeping and the "we think we're sleeping"
state. It may lead to an extra wakeup but that's better than missing
it entirely.
Signed-off-by: Peter Collingbourne <pcc@google.com>
Signed-off-by: Alexander Graf <agraf@csgraf.de>
Acked-by: Roman Bolshakov <r.bolshakov@yadro.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Message-id: 20210916155404.86958-6-agraf@csgraf.de
[agraf: Remove unused 'set' variable, always advance PC on WFX trap,
support vm stop / continue operations and cntv offsets]
Signed-off-by: Alexander Graf <agraf@csgraf.de>
Acked-by: Roman Bolshakov <r.bolshakov@yadro.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
We extend virt machine to emulate ACLINT devices only when "aclint=on"
parameter is passed along with machine name in QEMU command-line.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: 20210831110603.338681-5-anup.patel@wdc.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The RISC-V ACLINT is more modular and backward compatible with
original SiFive CLINT so instead of duplicating the original
SiFive CLINT implementation we upgrade the current SiFive CLINT
implementation to RISC-V ACLINT implementation.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: 20210831110603.338681-3-anup.patel@wdc.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
We will be upgrading SiFive CLINT implementation into RISC-V ACLINT
implementation so let's first rename the sources.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: 20210831110603.338681-2-anup.patel@wdc.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This is the initial commit of the SiFive PWM timer. This is used by
guest software as a timer and is included in the SiFive FU540 SoC.
Signed-off-by: Justin Restivo <jrestivo@draper.com>
Signed-off-by: Alexandra Clifford <aclifford@draper.com>
Signed-off-by: Amanda Strnad <astrnad@draper.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: 9f70a210acbfaf0e1ea6ad311ab892ac69134d8b.1631159656.git.alistair.francis@wdc.com
Instead of using riscv_cpu_update_mip() let's instead use the new RISC-V
CPU GPIO lines to set the timer MIP bits.
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 84d5b1d5783d2e79eee69a2f7ac480cc0c070db3.1630301632.git.alistair.francis@wdc.com
Instead of using riscv_cpu_update_mip() let's instead use the new RISC-V
CPU GPIO lines to set the external MIP bits.
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: 0364190bfa935058a845c0fa1ecf650328840ad5.1630301632.git.alistair.francis@wdc.com
Instead of using riscv_cpu_update_mip() let's instead use the new RISC-V
CPU GPIO lines to set the external MIP bits.
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 0a76946981852f5bd15f0c37ab35b253371027a8.1630301632.git.alistair.francis@wdc.com
Instead of using riscv_cpu_update_mip() let's instead use the new RISC-V
CPU GPIO lines to set the timer and soft MIP bits.
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Message-id: 946e1ef5e268b24084c7ddad84c146de62a56736.1630301632.git.alistair.francis@wdc.com
With Apple Silicon available to the masses, it's a good time to add support
for driving its virtualization extensions from QEMU.
This patch adds all necessary architecture specific code to get basic VMs
working, including save/restore.
Known limitations:
- WFI handling is missing (follows in later patch)
- No watchpoint/breakpoint support
Signed-off-by: Alexander Graf <agraf@csgraf.de>
Reviewed-by: Roman Bolshakov <r.bolshakov@yadro.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20210916155404.86958-5-agraf@csgraf.de
[PMM: added missing #include]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
We will need to install a migration helper for the ARM hvf backend.
Let's introduce an arch callback for the overall hvf init chain to
do so.
Signed-off-by: Alexander Graf <agraf@csgraf.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20210916155404.86958-4-agraf@csgraf.de
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
When you run QEMU with an Aspeed machine and a single serial device
using stdio like this:
qemu -machine ast2600-evb -drive ... -serial stdio
The guest OS can read and write to the UART5 registers at 0x1E784000 and
it will receive from stdin and write to stdout. The Aspeed SoC's have a
lot more UART's though (AST2500 has 5, AST2600 has 13) and depending on
the board design, may be using any of them as the serial console. (See
"stdout-path" in a DTS to check which one is chosen).
Most boards, including all of those currently defined in
hw/arm/aspeed.c, just use UART5, but some use UART1. This change adds
some flexibility for different boards without requiring users to change
their command-line invocation of QEMU.
I tested this doesn't break existing code by booting an AST2500 OpenBMC
image and an AST2600 OpenBMC image, each using UART5 as the console.
Then I tested switching the default to UART1 and booting an AST2600
OpenBMC image that uses UART1, and that worked too.
Signed-off-by: Peter Delevoryas <pdel@fb.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210901153615.2746885-2-pdel@fb.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This is the latest revision of the ASPEED 2600 SoC. As there is no
need to model multiple revisions of the same SoC for the moment,
update the SCU AST2600 to model the A3 revision instead of the A1 and
adapt the AST2600 SoC and machines.
Reset values are taken from v8 of the datasheet.
Signed-off-by: Joel Stanley <joel@jms.id.au>
[ clg: - Introduced an Aspeed "ast2600-a3" SoC class
- Commit log update ]
Message-Id: <20210629142336.750058-3-clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
While some of the critical fields remain the same, there is variation in
the definition of the control register across the SoC generations.
Reserved regions are adjusted, while in other cases the mutability or
behaviour of fields change.
Introduce a callback to sanitize the value on writes to ensure model
behaviour reflects the hardware.
Fixes: 854123bf8d ("wdt: Add Aspeed watchdog device model")
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210709053107.1829304-2-andrew@aj.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
.bdrv_co_block_status() implementations are free to return a *pnum that
exceeds @bytes, because bdrv_co_block_status() in block/io.c will clamp
*pnum as necessary.
On the other hand, if drivers' implementations return values for *pnum
that are as large as possible, our recently introduced block-status
cache will become more effective.
So, make a note in block_int.h that @bytes is no upper limit for *pnum.
Suggested-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210812084148.14458-4-hreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
As we have attempted before
(https://lists.gnu.org/archive/html/qemu-devel/2019-01/msg06451.html,
"file-posix: Cache lseek result for data regions";
https://lists.nongnu.org/archive/html/qemu-block/2021-02/msg00934.html,
"file-posix: Cache next hole"), this patch seeks to reduce the number of
SEEK_DATA/HOLE operations the file-posix driver has to perform. The
main difference is that this time it is implemented as part of the
general block layer code.
The problem we face is that on some filesystems or in some
circumstances, SEEK_DATA/HOLE is unreasonably slow. Given the
implementation is outside of qemu, there is little we can do about its
performance.
We have already introduced the want_zero parameter to
bdrv_co_block_status() to reduce the number of SEEK_DATA/HOLE calls
unless we really want zero information; but sometimes we do want that
information, because for files that consist largely of zero areas,
special-casing those areas can give large performance boosts. So the
real problem is with files that consist largely of data, so that
inquiring the block status does not gain us much performance, but where
such an inquiry itself takes a lot of time.
To address this, we want to cache data regions. Most of the time, when
bad performance is reported, it is in places where the image is iterated
over from start to end (qemu-img convert or the mirror job), so a simple
yet effective solution is to cache only the current data region.
(Note that only caching data regions but not zero regions means that
returning false information from the cache is not catastrophic: Treating
zeroes as data is fine. While we try to invalidate the cache on zero
writes and discards, such incongruences may still occur when there are
other processes writing to the image.)
We only use the cache for nodes without children (i.e. protocol nodes),
because that is where the problem is: Drivers that rely on block-status
implementations outside of qemu (e.g. SEEK_DATA/HOLE).
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/307
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20210812084148.14458-3-hreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
[hreitz: Added `local_file == bs` assertion, as suggested by Vladimir]
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
There is a comment above the BDS definition stating care must be taken
to consider handling newly added fields in bdrv_append().
Actually, this comment should have said "bdrv_swap()" as of 4ddc07cac
(nine years ago), and in any case, bdrv_swap() was dropped in
8e419aefa (six years ago). So no such care is necessary anymore.
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20210812084148.14458-2-hreitz@redhat.com>
qdev_init_gpio_out() states it "creates an array of anonymous
output GPIO lines" but doesn't document how this array is
released. Add a note that it is automatically free'd in qdev
instance_finalize().
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20210819142731.2827912-1-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Instead of immediately drawing and submitting, queue and wait
for the draw signal if the dmabuf submitted is a blob.
Cc: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Message-Id: <20210914211837.3229977-5-vivek.kasireddy@intel.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Create sync objects and fences only for dmabufs that are blobs. Once a
fence is created (after glFlush) and is signalled,
graphic_hw_gl_flushed() will be called and virtio-gpu cmd processing
will be resumed.
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Message-Id: <20210914211837.3229977-4-vivek.kasireddy@intel.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
These egl helpers would be used for creating and waiting on
a sync object.
Cc: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Message-Id: <20210914211837.3229977-3-vivek.kasireddy@intel.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Since the texture release mechanism is same for both gtk-egl
and gtk-glarea, move the helper from gtk-egl to common gtk
code so that it can be shared by both gtk backends.
Cc: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Message-Id: <20210914211837.3229977-2-vivek.kasireddy@intel.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
All targets call TCGCPUOps::cpu_exec_interrupt() from sysemu code.
Move its declaration to restrict it to system emulation.
Extend the code guarded.
Restrict the static inlined need_replay_interrupt() method to
avoid a "defined but not used" warning.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210911165434.531552-24-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
do_interrupt() is sysemu specific. However due to some X86
specific hack, it is also used in user-mode emulation, which
is why it couldn't be restricted to CONFIG_SOFTMMU (see the
comment around added in commit 7827168471: "cpu: tcg_ops:
move to tcg-cpu-ops.h, keep a pointer in CPUClass").
Keep the hack but rename the handler as fake_user_interrupt()
and restrict do_interrupt() to sysemu.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210911165434.531552-6-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Since commit 1c2adb958f ("tcg: Initialize cpu_env generically"),
these tcg_global_reg_new_ macros are not used anywhere.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210816143507.11200-1-bmeng.cn@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
translate_insn() implementations fetch instruction bytes piecemeal,
which can cause qemu-user to generate inconsistent translations if
another thread modifies them concurrently [1].
Fix by making pages containing translated instruction non-writable
right before loading instruction bytes from them.
[1] https://lists.nongnu.org/archive/html/qemu-devel/2021-08/msg00644.html
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20210805204835.158918-1-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
[rth: Split out of a larger patch.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
"chr_option_parsed" is only implemented by the "mux" chardev, we can
specialize the code there to avoid the needless generic class method.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
* mark MPS2/MPS3 board-internal i2c buses as 'full' so that command
line user-created devices are not plugged into them
* Take an exception if PSTATE.IL is set
* Support an emulated ITS in the virt board
* Add support for kudo-bmc board
* Probe for KVM_CAP_ARM_VM_IPA_SIZE when creating scratch VM
* cadence_uart: Fix clock handling issues that prevented
u-boot from running
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20210913-3' into staging
target-arm queue:
* mark MPS2/MPS3 board-internal i2c buses as 'full' so that command
line user-created devices are not plugged into them
* Take an exception if PSTATE.IL is set
* Support an emulated ITS in the virt board
* Add support for kudo-bmc board
* Probe for KVM_CAP_ARM_VM_IPA_SIZE when creating scratch VM
* cadence_uart: Fix clock handling issues that prevented
u-boot from running
# gpg: Signature made Mon 13 Sep 2021 21:04:52 BST
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* remotes/pmaydell/tags/pull-target-arm-20210913-3: (23 commits)
hw/arm/mps2.c: Mark internal-only I2C buses as 'full'
hw/arm/mps2-tz.c: Mark internal-only I2C buses as 'full'
hw/arm/mps2-tz.c: Add extra data parameter to MakeDevFn
qdev: Support marking individual buses as 'full'
target/arm: Merge disas_a64_insn into aarch64_tr_translate_insn
target/arm: Take an exception if PSTATE.IL is set
tests/data/acpi/virt: Update IORT files for ITS
hw/arm/virt: add ITS support in virt GIC
tests/data/acpi/virt: Add IORT files for ITS
hw/intc: GICv3 redistributor ITS processing
hw/intc: GICv3 ITS Feature enablement
hw/intc: GICv3 ITS Command processing
hw/intc: GICv3 ITS command queue framework
hw/intc: GICv3 ITS register definitions added
hw/intc: GICv3 ITS initial framework
hw/arm: Add support for kudo-bmc board.
hw/arm/virt: KVM: Probe for KVM_CAP_ARM_VM_IPA_SIZE when creating scratch VM
hw/char: cadence_uart: Log a guest error when device is unclocked or in reset
hw/char: cadence_uart: Ignore access when unclocked or in reset for uart_{read, write}()
hw/char: cadence_uart: Convert to memop_with_attrs() ops
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
By default, QEMU will allow devices to be plugged into a bus up to
the bus class's device count limit. If the user creates a device on
the command line or via the monitor and doesn't explicitly specify
the bus to plug it in, QEMU will plug it into the first non-full bus
that it finds.
This is fine in most cases, but some machines have multiple buses of
a given type, some of which are dedicated to on-board devices and
some of which have an externally exposed connector for user-pluggable
devices. One example is I2C buses.
Provide a new function qbus_mark_full() so that a machine model can
mark this kind of "internal only" bus as 'full' after it has created
all the devices that should be plugged into that bus. The "find a
non-full bus" algorithm will then skip the internal-only bus when
looking for a place to plug in user-created devices.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210903151435.22379-2-peter.maydell@linaro.org
Included creation of ITS as part of virt platform GIC
initialization. This Emulated ITS model now co-exists with kvm
ITS and is enabled in absence of kvm irq kernel support in a
platform.
Signed-off-by: Shashi Mallela <shashi.mallela@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20210910143951.92242-9-shashi.mallela@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Implemented lpi processing at redistributor to get lpi config info
from lpi configuration table,determine priority,set pending state in
lpi pending table and forward the lpi to cpuif.Added logic to invoke
redistributor lpi processing with translated LPI which set/clear LPI
from ITS device as part of ITS INT,CLEAR,DISCARD command and
GITS_TRANSLATER processing.
Signed-off-by: Shashi Mallela <shashi.mallela@linaro.org>
Tested-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20210910143951.92242-7-shashi.mallela@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Added properties to enable ITS feature and define qemu system
address space memory in gicv3 common,setup distributor and
redistributor registers to indicate LPI support.
Signed-off-by: Shashi Mallela <shashi.mallela@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Neil Armstrong <narmstrong@baylibre.com>
Message-id: 20210910143951.92242-6-shashi.mallela@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Added ITS command queue handling for MAPTI,MAPI commands,handled ITS
translation which triggers an LPI via INT command as well as write
to GITS_TRANSLATER register,defined enum to differentiate between ITS
command interrupt trigger and GITS_TRANSLATER based interrupt trigger.
Each of these commands make use of other functionalities implemented to
get device table entry,collection table entry or interrupt translation
table entry required for their processing.
Signed-off-by: Shashi Mallela <shashi.mallela@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20210910143951.92242-5-shashi.mallela@linaro.org
[PMM: use INTERRUPT for ItsCmdType enum name to avoid
conflict with INT type defined by Windows headers]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Defined descriptors for ITS device table,collection table and ITS
command queue entities.Implemented register read/write functions,
extract ITS table parameters and command queue parameters,extended
gicv3 common to capture qemu address space(which host the ITS table
platform memories required for subsequent ITS processing) and
initialize the same in ITS device.
Signed-off-by: Shashi Mallela <shashi.mallela@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Neil Armstrong <narmstrong@baylibre.com>
Message-id: 20210910143951.92242-3-shashi.mallela@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Added register definitions relevant to ITS,implemented overall
ITS device framework with stubs for ITS control and translater
regions read/write,extended ITS common to handle mmio init between
existing kvm device and newer qemu device.
Signed-off-by: Shashi Mallela <shashi.mallela@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Neil Armstrong <narmstrong@baylibre.com>
Message-id: 20210910143951.92242-2-shashi.mallela@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Userland targers will otherwise use a poisoned CONFIG_NVMM
Signed-off-by: Reinoud Zandijk <Reinoud@NetBSD.org>
Message-Id: <20210718134650.1191-2-reinoud@NetBSD.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
