Commit 8119334918 ("block: Don't
block_job_pause_all() in bdrv_drain_all()") removed the only callers of
block_job_pause/resume_all().
Pausing and resuming now happens in child_job_drained_begin/end() so
it's no longer necessary to globally pause/resume jobs.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-id: 20180424085240.5798-1-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* pc-dimm: factor out MemoryDevice
(virtio-pmem and virtio-mem will make use of the new abstraction later)
* scripts/device-crash-test: Removed fixed CAN entries
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Merge remote-tracking branch 'remotes/ehabkost/tags/machine-next-pull-request' into staging
Machine queue, 2018-05-07
* pc-dimm: factor out MemoryDevice
(virtio-pmem and virtio-mem will make use of the new abstraction later)
* scripts/device-crash-test: Removed fixed CAN entries
# gpg: Signature made Mon 07 May 2018 18:01:42 BST
# gpg: using RSA key 2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF D1AA 2807 936F 984D C5A6
* remotes/ehabkost/tags/machine-next-pull-request:
scripts/device-crash-test: Removed fixed CAN entries
vl: allow 'maxmem' without 'slot'
spapr: rename "hotplug memory" terminology to "device memory"
pc: rename "hotplug memory" terminology to "device memory"
machine: rename MemoryHotplugState to DeviceMemoryState
pc-dimm: move actual plug/unplug of a memory region to MemoryDevice
pc-dimm: factor out capacity and slot checks into MemoryDevice
pc-dimm: factor out address search into MemoryDevice code
pc-dimm: pass in the machine and to the MemoryHotplugState
pc-dimm: no need to pass the memory region
machine: make MemoryHotplugState accessible via the machine
pc-dimm: factor out MemoryDevice interface
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Several code cleanups, minor specification conformance changes,
fixes to make ROM read-only and add device-tree size checks.
* Honour privileged ISA v1.10 counter enable CSRs.
* Implements WARL behavior for CSRs that don't support writes
* Past behavior of raising traps was non-conformant
with the RISC-V Privileged ISA Specification v1.10.
* Allow S-mode access to sstatus.MXR when priv ISA >= v1.10
* Sets mtval/stval to zero on exceptions without addresses
* Past behavior of leaving the last value was non-conformant
with the RISC-V Privileged ISA Specition v1.10. mtval/stval
must be set on all exceptions; to zero if not supported.
* Make ROMs read-only and implement device-tree size checks
* Uses memory_region_init_rom and rom_add_blob_fixed_as
* Adds hexidecimal instruction bytes to disassembly output.
* Fixes missing break statement for rv128 disassembly.
* Several code cleanups
* Replacing hard-coded constants with enums
* Dead-code elimination
This is an incremental pull that contains 20 reviewed changes out
of 38 changes currently queued in the qemu-2.13-for-upstream branch.
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Merge remote-tracking branch 'remotes/riscv/tags/riscv-qemu-2.13-pull-20180506' into staging
RISC-V: QEMU 2.13 Privileged ISA emulation updates
Several code cleanups, minor specification conformance changes,
fixes to make ROM read-only and add device-tree size checks.
* Honour privileged ISA v1.10 counter enable CSRs.
* Implements WARL behavior for CSRs that don't support writes
* Past behavior of raising traps was non-conformant
with the RISC-V Privileged ISA Specification v1.10.
* Allow S-mode access to sstatus.MXR when priv ISA >= v1.10
* Sets mtval/stval to zero on exceptions without addresses
* Past behavior of leaving the last value was non-conformant
with the RISC-V Privileged ISA Specition v1.10. mtval/stval
must be set on all exceptions; to zero if not supported.
* Make ROMs read-only and implement device-tree size checks
* Uses memory_region_init_rom and rom_add_blob_fixed_as
* Adds hexidecimal instruction bytes to disassembly output.
* Fixes missing break statement for rv128 disassembly.
* Several code cleanups
* Replacing hard-coded constants with enums
* Dead-code elimination
This is an incremental pull that contains 20 reviewed changes out
of 38 changes currently queued in the qemu-2.13-for-upstream branch.
# gpg: Signature made Sun 06 May 2018 00:27:37 BST
# gpg: using DSA key 6BF1D7B357EF3E4F
# gpg: Good signature from "Michael Clark <michaeljclark@mac.com>"
# gpg: aka "Michael Clark <mjc@sifive.com>"
# gpg: aka "Michael Clark <michael@metaparadigm.com>"
# 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: 7C99 930E B17C D8BA 073D 5EFA 6BF1 D7B3 57EF 3E4F
* remotes/riscv/tags/riscv-qemu-2.13-pull-20180506:
RISC-V: Mark ROM read-only after copying in code
RISC-V: No traps on writes to misa,minstret,mcycle
RISC-V: Make mtvec/stvec ignore vectored traps
RISC-V: Add mcycle/minstret support for -icount auto
RISC-V: Use [ms]counteren CSRs when priv ISA >= v1.10
RISC-V: Allow S-mode mxr access when priv ISA >= v1.10
RISC-V: Clear mtval/stval on exceptions without info
RISC-V: Hardwire satp to 0 for no-mmu case
RISC-V: Update E and I extension order
RISC-V: Remove erroneous comment from translate.c
RISC-V: Remove EM_RISCV ELF_MACHINE indirection
RISC-V: Make virt header comment title consistent
RISC-V: Make some header guards more specific
RISC-V: Fix missing break statement in disassembler
RISC-V: Include instruction hex in disassembly
RISC-V: Remove unused class definitions
RISC-V: Remove identity_translate from load_elf
RISC-V: Use ROM base address and size from memmap
RISC-V: Make virt board description match spike
RISC-V: Replace hardcoded constants with enum values
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Let's make it clear at relevant places that we are dealing with device
memory. That it can be used for memory hotplug is just a special case.
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180423165126.15441-11-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
[ehabkost: rebased series, solved conflicts at spapr.c]
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Let's make it clear that we are dealing with device memory. That it can
be used for memory hotplug is just a special case.
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180423165126.15441-10-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Rename it to better match the new terminology.
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180423165126.15441-9-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Registering the memory region for migration has do be done by the owner.
There could be cases, where we don't want to migrate the memory.
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180423165126.15441-8-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Move the checks into memory_device_get_free_addr(). This will check
before doing any calculations if we have KVM/vhost slots left and if
the total region size would be exceeded.
Of course, while at it, make it independent of pc-dimm code.
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180423165126.15441-7-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This mainly moves code, but does a handfull of optimizations:
- We pass the machine instead of the address space properties
- We check the hinted address directly and handle fragmented memory
better
- We make the search independent of pc-dimm
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180423165126.15441-6-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
We use the machine internally either way, so let's just pass it in then.
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180423165126.15441-5-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
We can just query it ourselves. When unplugging, we should always be
able to the region (as it was previously plugged). E.g. PPC already
assumed that and used &error_abort.
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180423165126.15441-4-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Let's allow to query the MemoryHotplugState directly from the machine.
If the pointer is NULL, the machine does not support memory devices. If
the pointer is !NULL, the machine supports memory devices and the
data structure contains information about the applicable physical
guest address space region.
This allows us to generically detect if a certain machine has support
for memory devices, and to generically manage it (find free address
range, plug/unplug a memory region).
We will rename "MemoryHotplugState" to something more meaningful
("DeviceMemory") after we completed factoring out the pc-dimm code into
MemoryDevice code.
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180423165126.15441-3-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
[ehabkost: rebased series, solved conflicts at spapr.c]
[ehabkost: squashed fix to use g_malloc0()]
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
On the qmp level, we already have the concept of memory devices:
"query-memory-devices"
Right now, we only support NVDIMM and PCDIMM.
We want to map other devices later into the address space of the guest.
Such device could e.g. be virtio devices. These devices will have a
guest memory range assigned but won't be exposed via e.g. ACPI. We want
to make them look like memory device, but not glued to pc-dimm.
Especially, it will not always be possible to have TYPE_PC_DIMM as a parent
class (e.g. virtio devices). Let's use an interface instead. As a first
part, convert handling of
- qmp_pc_dimm_device_list
- get_plugged_memory_size
to our new model. plug/unplug stuff etc. will follow later.
A memory device will have to provide the following functions:
- get_addr(): Necessary, as the property "addr" can e.g. not be used for
virtio devices (already defined).
- get_plugged_size(): The amount this device offers to the guest as of
now.
- get_region_size(): Because this can later on be bigger than the
plugged size.
- fill_device_info(): Fill MemoryDeviceInfo, e.g. for qmp.
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180423165126.15441-2-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Removes a whole lot of unnecessary boilerplate code. Machines
don't need to be objects. The expansion of the SOC object model
for the RISC-V machines will happen in the future as SiFive
plans to add their FE310 and FU540 SOCs to QEMU. However, it
seems that this present boilerplate is complete unnecessary.
Cc: Sagar Karandikar <sagark@eecs.berkeley.edu>
Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Michael Clark <mjc@sifive.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Another case of replacing hard coded constants, this time
referring to the definition in the virt machine's memmap.
Cc: Sagar Karandikar <sagark@eecs.berkeley.edu>
Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Michael Clark <mjc@sifive.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
The RISC-V device-tree code has a number of hard-coded
constants and this change moves them into header enums.
Cc: Sagar Karandikar <sagark@eecs.berkeley.edu>
Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Michael Clark <mjc@sifive.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
This patch builds the smmuv3 node in the ACPI IORT table.
The RID space of the root complex, which spans 0x0-0x10000
maps to streamid space 0x0-0x10000 in smmuv3, which in turn
maps to deviceid space 0x0-0x10000 in the ITS group.
The guest must feature the IOMMU probe deferral series
(https://lkml.org/lkml/2017/4/10/214) which fixes streamid
multiple lookup. This bug is not related to the SMMU emulation.
Signed-off-by: Prem Mallappa <prem.mallappa@broadcom.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Shannon Zhao <zhaoshenglong@huawei.com>
Message-id: 1524665762-31355-14-git-send-email-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add code to instantiate an smmuv3 in virt machine. A new iommu
integer member is introduced in VirtMachineState to store the type
of the iommu in use.
Signed-off-by: Prem Mallappa <prem.mallappa@broadcom.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1524665762-31355-13-git-send-email-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This patch implements a skeleton for the smmuv3 device.
Datatypes and register definitions are introduced. The MMIO
region, the interrupts and the queue are initialized.
Only the MMIO read operation is implemented here.
Signed-off-by: Prem Mallappa <prem.mallappa@broadcom.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1524665762-31355-5-git-send-email-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This patch implements the page table walk for VMSAv8-64.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Prem Mallappa <prem.mallappa@broadcom.com>
Message-id: 1524665762-31355-4-git-send-email-eric.auger@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
We set up the infrastructure to enumerate all the PCI devices
attached to the SMMU and create an associated IOMMU memory
region and address space.
Those info are stored in SMMUDevice objects. The devices are
grouped according to the PCIBus they belong to. A hash table
indexed by the PCIBus pointer is used. Also an array indexed by
the bus number allows to find the list of SMMUDevices.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Prem Mallappa <prem.mallappa@broadcom.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1524665762-31355-3-git-send-email-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The patch introduces the smmu base device and class for the ARM
smmu. Devices for specific versions will be derived from this
base device.
We also introduce some important datatypes.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Prem Mallappa <prem.mallappa@broadcom.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1524665762-31355-2-git-send-email-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2018-05-04' into staging
QAPI patches for 2018-05-04
# gpg: Signature made Fri 04 May 2018 08:59:16 BST
# gpg: using RSA key 3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653
* remotes/armbru/tags/pull-qapi-2018-05-04:
qapi: deprecate CpuInfoFast.arch
qapi: discriminate CpuInfoFast on SysEmuTarget, not CpuInfoArch
qapi: change the type of TargetInfo.arch from string to enum SysEmuTarget
qapi: add SysEmuTarget to "common.json"
qapi: fill in CpuInfoFast.arch in query-cpus-fast
qobject: Modify qobject_ref() to return obj
qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF
qobject: use a QObjectBase_ struct
qobject: Ensure base is at offset 0
qobject: Use qobject_to() instead of type cast
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- new machine type
- extend SCLP event masks
- support configuration of consoles via -serial
- firmware improvements: non-sequential entries in boot menu, support
for indirect loading via .INS files in s390-netboot
- bugfixes and cleanups
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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20180504' into staging
First s390x pull request for 2.13.
- new machine type
- extend SCLP event masks
- support configuration of consoles via -serial
- firmware improvements: non-sequential entries in boot menu, support
for indirect loading via .INS files in s390-netboot
- bugfixes and cleanups
# gpg: Signature made Fri 04 May 2018 08:19:57 BST
# gpg: using RSA key DECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>"
# gpg: aka "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# gpg: aka "Cornelia Huck <cohuck@kernel.org>"
# gpg: aka "Cornelia Huck <cohuck@redhat.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0 18CE DECF 6B93 C6F0 2FAF
* remotes/cohuck/tags/s390x-20180504:
pc-bios/s390: Update firmware images
s390-ccw: force diag 308 subcode to unsigned long
pc-bios/s390-ccw/net: Add support for .INS config files
pc-bios/s390-ccw/net: Use diag308 to reset machine before jumping to the OS
pc-bios/s390-ccw/net: Split up net_load() into init, load and release parts
pc-bios/s390-ccw: fix non-sequential boot entries (enum)
pc-bios/s390-ccw: fix non-sequential boot entries (eckd)
pc-bios/s390-ccw: fix loadparm initialization and int conversion
pc-bios/s390-ccw: rename MAX_TABLE_ENTRIES to MAX_BOOT_ENTRIES
pc-bios/s390-ccw: size_t should be unsigned
hw/s390x: Allow to configure the consoles with the "-serial" parameter
s390x/kvm: cleanup calls to cpu_synchronize_state()
vfio-ccw: introduce vfio_ccw_get_device()
s390x/sclp: extend SCLP event masks to 64 bits
s390x: introduce 2.13 compat machine
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Second patch of patches for qemu-2.13 (or whatever the version ends up
being called). Highlights are:
* Preliminary patches for POWER9 hash MMU support for powernv
* A number of cleanups fo pseries startup and LPCR handling
* Remove support for explicitly allocated RMAs (which require kernel
support that's been gone for 3+ years)
* Some mac_newworld cleanups
* A few bugfixes
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.13-20180504' into staging
ppc patch queue 2018-05-04
Second patch of patches for qemu-2.13 (or whatever the version ends up
being called). Highlights are:
* Preliminary patches for POWER9 hash MMU support for powernv
* A number of cleanups fo pseries startup and LPCR handling
* Remove support for explicitly allocated RMAs (which require kernel
support that's been gone for 3+ years)
* Some mac_newworld cleanups
* A few bugfixes
# gpg: Signature made Fri 04 May 2018 06:07:43 BST
# gpg: using RSA key 6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/ppc-for-2.13-20180504:
spapr: don't advertise radix GTSE if max-compat-cpu < power9
spapr: don't migrate "spapr_option_vector_ov5_cas" to pre 2.8 machines
target/ppc: always set PPC_MEM_TLBIE in pre 2.8 migration hack
mac_newworld: move wiring of macio IRQs to macio_newworld_realize()
mac_newworld: remove pics IRQ array and wire up macio to OpenPIC directly
uninorth: create new uninorth device
spapr: Clean up handling of LPCR power-saving exit bits
spapr: Move PAPR mode cpu setup fully to spapr code
target/ppc: Delay initialization of LPCR_UPRT for secondary cpus
spapr: Clean up LPCR updates from hypercalls
spapr: Make a helper to set up cpu entry point state
spapr: Remove unhelpful helpers from rtas_start_cpu()
spapr: Clean up rtas_start_cpu() & rtas_stop_self()
target/ppc: Add ppc_store_lpcr() helper
spapr: Remove support for explicitly allocated RMAs
target/ppc: add basic support for PTCR on POWER9
target/ppc: return a nil HPT base address on sPAPR machines
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
For convenience and clarity, make it possible to call qobject_ref() at
the time when the reference is associated with a variable, or
argument, by making qobject_ref() return the same pointer as given.
Use that to simplify the callers.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180419150145.24795-5-marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Useless change to qobject_ref_impl() dropped, commit message improved
slightly]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Now that we can safely call QOBJECT() on QObject * as well as its
subtypes, we can have macros qobject_ref() / qobject_unref() that work
everywhere instead of having to use QINCREF() / QDECREF() for QObject
and qobject_incref() / qobject_decref() for its subtypes.
The replacement is mechanical, except I broke a long line, and added a
cast in monitor_qmp_cleanup_req_queue_locked(). Unlike
qobject_decref(), qobject_unref() doesn't accept void *.
Note that the new macros evaluate their argument exactly once, thus no
need to shout them.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180419150145.24795-4-marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Rebased, semantic conflict resolved, commit message improved]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
By moving the base fields to a QObjectBase_, QObject can be a type
which also has a 'base' field. This allows writing a generic QOBJECT()
macro that will work with any QObject type, including QObject
itself. The container_of() macro ensures that the object to cast has a
QObjectBase_ base field, giving some type safety guarantees. QObject
must have no members but QObjectBase_ base, or else QOBJECT() breaks.
QObjectBase_ is not a typedef and uses a trailing underscore to make
it obvious it is not for normal use and to avoid potential abuse.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180419150145.24795-3-marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
All QObject types have the base QObject as their first field. This
allows the simplification of qobject_to().
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180419150145.24795-2-marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Commit message paragraph on type casts dropped, to avoid giving the
impression type casting would be okay]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Since the macio device has a link to the PIC device, we can now wire up the
IRQs directly via qdev GPIOs rather than having to use an intermediate array.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Commit 4e46dcdbd3 "PPC: Newworld: Add uninorth token register" added a TODO
which was to convert the uninorth registers hack to a proper device. Move
these registers to a new uninorth device, removing the old hacks from
mac_newworld.c.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Under PAPR, only the boot CPU is active when the system starts. Other cpus
must be explicitly activated using an RTAS call. The entry state for the
boot and secondary cpus isn't identical, but it has some things in common.
We're going to add a bit more common setup later, too, so to simplify
make a helper which sets up the common entry state for both boot and
secondary cpu threads.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Tested-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Since commit 8efb2ed5ec ("linux-user: Correct signedness of
target_flock l_start and l_len fields"), flock64 structure uses
abi_llong for l_start and l_len in place of "unsigned long long"
this should force them to be aligned accordingly to the target
rules. So we can remove the padding field and the QEMU_PACKED
attribute.
I have compared the result of the following program before and
after the change:
cat -> flock64_dump <<EOF
p/d sizeof(struct target_flock64)
p/d &((struct target_flock64 *)0)->l_type
p/d &((struct target_flock64 *)0)->l_whence
p/d &((struct target_flock64 *)0)->l_start
p/d &((struct target_flock64 *)0)->l_len
p/d &((struct target_flock64 *)0)->l_pid
quit
EOF
for file in build/all/*-linux-user/qemu-* ; do
echo $file
gdb -batch -nx -x flock64_dump $file 2> /dev/null
done
The sizeof() changes because we remove the QEMU_PACKED.
The new size is 32 (except for i386 and m68k) and this is
the real size of "struct flock64" on the target architecture.
The following architectures differ:
aarch64_be, aarch64, alpha, armeb, arm, cris, hppa, nios2, or1k,
riscv32, riscv64, s390x.
For a subset of these architectures, I have checked with the following
program the new structure is the correct one:
#include <stdio.h>
#define __USE_LARGEFILE64
#include <fcntl.h>
int main(void)
{
printf("struct flock64 %d\n", sizeof(struct flock64));
printf("l_type %d\n", &((struct flock64 *)0)->l_type);
printf("l_whence %d\n", &((struct flock64 *)0)->l_whence);
printf("l_start %d\n", &((struct flock64 *)0)->l_start);
printf("l_len %d\n", &((struct flock64 *)0)->l_len);
printf("l_pid %d\n", &((struct flock64 *)0)->l_pid);
}
[I have checked aarch64, alpha, hppa, s390x]
For ARM, the target_flock64 becomes the EABI definition, so we need to
define the OABI one in place of the EABI one and use it when it is
needed.
I have also fixed the alignment value for sh4 (to align llong on 4 bytes)
(see c2e3dee6e0 "linux-user: Define target alignment size")
[We should check alignment properties for cris, nios2 and or1k]
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180502215730.28162-1-laurent@vivier.eu>
The consoles ("sclpconsole" and "sclplmconsole") can only be configured
with "-device" and "-chardev" so far. Other machines use the convenience
option "-serial" to configure the default consoles, even for virtual
consoles like spapr-vty on the pseries machine. So let's support this
option on s390x, too. This way we can easily enable the serial console
here again with "-nodefaults", for example:
qemu-system-s390x -no-shutdown -nographic -nodefaults -serial mon:stdio
... which is way shorter than typing:
qemu-system-s390x -no-shutdown -nographic -nodefaults \
-chardev stdio,id=c1,mux=on -device sclpconsole,chardev=c1 \
-mon chardev=c1
The -serial parameter can also be used if you only want to see the QEMU
monitor on stdio without using -nodefaults, but not the console output.
That's something that is pretty impossible with the current code today:
qemu-system-s390x -no-shutdown -nographic -serial none
While we're at it, this patch also maps the second -serial option to the
"sclplmconsole", so that there is now an easy way to configure this second
console on s390x, too, for example:
qemu-system-s390x -no-shutdown -nographic -serial null -serial mon:stdio
Additionally, the new code is also smaller than the old one and we have
less s390x-specific code in vl.c :-)
I've also checked that migration still works as expected by migrating
a guest with console output back and forth between a qemu-system-s390x
that has this patch and an instance without this patch.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1524754794-28005-1-git-send-email-thuth@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Extend the SCLP event masks to 64 bits.
Notice that using any of the new bits results in a state that cannot be
migrated to an older version.
Signed-off-by: Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>
Message-Id: <1520507069-22179-1-git-send-email-imbrenda@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
dpy_gfx_update_full is used to do the whole display surface update.
This function is proposed by Gerd Hoffmann.
Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Message-id: 1524820266-27079-2-git-send-email-tina.zhang@intel.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The new property ibm,dynamic-memory-v2 allows memory to be represented
in a more compact manner in device tree.
Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
As a rule we prefer to pass PowerPCCPU instead of CPUPPCState, and this
change will make some things simpler later on.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
There are a couple places (one generic, one target specific) where we need
to get the host page size associated with a particular memory backend. I
have some upcoming code which will add another place which wants this. So,
for convenience, add a helper function to calculate this.
host_memory_backend_pagesize() returns the host pagesize for a given
HostMemoryBackend object.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
The existing UNINState actually represents the PCI/AGP host bridge stage so
rename it accordingly.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Do this for both the uninorth main and uninorth u3 AGP buses, using the main
PCI bus for each machine (this ensures the IO addresses still match those
used by OpenBIOS).
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Now that the OpenPIC is wired up via the board, we can now remove our temporary
PIC qdev pointer property and replace it with an object link instead.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This is in preparation for moving the PCI bus wiring inside the uninorth
host bridge devices. In the future it will be possible to remove this once the
PICs have been switched to use qdev GPIOs.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Since the macio device has a link to the PIC device, we can now wire up the
IRQs directly via qdev GPIOs rather than having to use an intermediate array.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Instead wire up heathrow to the CPU and grackle PCI host using qdev GPIOs.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
