Set the fw_name property to "pci" and also set an explicit OFW address
using the value of the special_base property.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
virtio_queue_get_desc_addr returns 64-bit hwaddr while int is usually 32-bit.
If returned hwaddr is not equal to 0 but least-significant 32 bits are
equal to 0 then this code will not actually stop running queue.
Signed-off-by: Yury Kotov <yury-kotov@yandex-team.ru>
Acked-by: Jia He <hejianet@gmail.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The first cpu unplug wasn't ever supported and corresponding
monitor/qmp commands refuse to unplug it. However guest is able
to issue eject request either using following command:
# echo 1 >/sys/devices/system/cpu/cpu0/firmware_node/eject
or directly writing to cpu hotplug registers, which makes
qemu crash with SIGSEGV following back trace:
kvm_flush_coalesced_mmio_buffer ()
while (ring->first != ring->last)
...
qemu_flush_coalesced_mmio_buffer
prepare_mmio_access
flatview_read_continue
flatview_read
address_space_read_full
address_space_rw
kvm_cpu_exec(cpu!0)
qemu_kvm_cpu_thread_fn
the reason for which is that ring == KVMState::coalesced_mmio_ring
happens to be a part of 1st CPU that was uplugged by guest.
Fix it by forbidding 1st cpu unplug from guest side and in addition
remove CPU0._EJ0 ACPI method to make clear that unplug of the first
CPU is not supported.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add hint to firmware (e.g. SeaBIOS) to reserve addtional
BUS/IO/MEM/PREF resource for legacy pci-pci bridge. Add the
resource reserve capability deleting in pci_bridge_dev_exitfn.
Signed-off-by: Jing Liu <jing2.liu@linux.intel.com>
Reviewed-by: Marcel Apfelbaum<marcel.apfelbaum@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Factor "bus_reserve", "io_reserve", "mem_reserve", "pref32_reserve"
and "pref64_reserve" fields of the "GenPCIERootPort" structure out
to "PCIResReserve" structure, so that other PCI bridges can
reuse it to add resource reserve capability.
Signed-off-by: Jing Liu <jing2.liu@linux.intel.com>
Reviewed-by: Marcel Apfelbaum<marcel.apfelbaum@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Because the cache is sized to include the rings and the event indices,
negotiating the VIRTIO_RING_F_EVENT_IDX feature will result in the size
of the cache changing. And because MemoryRegionCache accesses are
range-checked, if we skip this we end up with an assertion failure.
This happens with OpenBSD 6.3.
Reported-by: Fam Zheng <famz@redhat.com>
Fixes: 97cd965c07
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Commit
10efd7e108 "pc: acpi: fix memory hotplug regression by reducing stub SRAT entry size"
attemped to fix hotplug regression introduced by
848a1cc1e "hw/acpi-build: build SRAT memory affinity structures for DIMM devices"
fixed issue for Windows/3.0+ linux kernels, however it regressed 2.6 based
kernels (RHEL6) to the point where guest might crash at boot.
Reason is that 2.6 kernel discards SRAT table due too small last entry
which down the road leads to crashes. Hack I've tried in 10efd7e108 is also
not ACPI spec compliant according to which whole possible RAM should be
described in SRAT. Revert 10efd7e108 to fix regression for 2.6 based kernels.
With 10efd7e108 reverted, I've also tried splitting SRAT table statically
in different ways %/node and %/slot but Windows still fails to online
2nd pc-dimm hot-plugged into node 0 (as described in 10efd7e108) and
sometimes even coldplugged pc-dimms where affected with static SRAT
partitioning.
The only known so far way where Windows stays happy is when we have 1
SRAT entry in the last node covering all hotplug area.
Revert 848a1cc1e until we come up with a way to avoid regression
on Windows with hotplug area split in several entries.
Tested this with 2.6/3.0 based kernels (RHEL6/7) and WS20[08/12/12R2/16]).
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
To allow Linux to enumerate devices on the /soc/ node set it as a
"simple-bus".
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Set the newly added register(KVM_REG_PPC_ONLINE) to indicate if the vcpu is
online(1) or offline(0)
KVM will use this information to set the RWMR register, which controls the PURR
and SPURR accumulation.
CC: paulus@samba.org
Signed-off-by: Nikunj A Dadhania <nikunj@linux.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The PLIC previously used a mutex to protect against concurrent
access to the claimed and pending bitfields. Instead of using
a mutex, we update the bitfields using atomic_cmpxchg.
Rename sifive_plic_num_irqs_pending to sifive_plic_irqs_pending
and add an early out if any interrupts are pending as the
count of pending interrupts is not used.
Cc: Sagar Karandikar <sagark@eecs.berkeley.edu>
Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Alistair Francis <Alistair.Francis@wdc.com>
Signed-off-by: Michael Clark <mjc@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Switch from cpu_physical_memory_map to dma_memory_map,
so iommu mappings for virtio-gpu objects work properly.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20180829122101.29852-3-kraxel@redhat.com>
No functional change, just preparation for a followup patch
which needs a VirtIOGPU pointer.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20180829122101.29852-2-kraxel@redhat.com>
We need to set cs->halted to 1 before calling ppc_set_compat. The reason
is that ppc_set_compat kicks up the new thread created to manage the
hotplugged KVM virtual CPU and the code drives directly to KVM_RUN
ioctl. When cs->halted is 1, the code:
int kvm_cpu_exec(CPUState *cpu)
...
if (kvm_arch_process_async_events(cpu)) {
atomic_set(&cpu->exit_request, 0);
return EXCP_HLT;
}
...
returns before it reaches KVM_RUN, giving time to the main thread to
finish its job. Otherwise we can fall in a deadlock because the KVM
thread will issue the KVM_RUN ioctl while the main thread is setting up
KVM registers. Depending on how these jobs are scheduled we'll end up
freezing QEMU.
The following output shows kvm_vcpu_ioctl sleeping because it cannot get
the mutex and never will.
PS: kvm_vcpu_ioctl was triggered kvm_set_one_reg - compat_pvr.
STATE: TASK_UNINTERRUPTIBLE|TASK_WAKEKILL
PID: 61564 TASK: c000003e981e0780 CPU: 48 COMMAND: "qemu-system-ppc"
#0 [c000003e982679a0] __schedule at c000000000b10a44
#1 [c000003e98267a60] schedule at c000000000b113a8
#2 [c000003e98267a90] schedule_preempt_disabled at c000000000b11910
#3 [c000003e98267ab0] __mutex_lock at c000000000b132ec
#4 [c000003e98267bc0] kvm_vcpu_ioctl at c00800000ea03140 [kvm]
#5 [c000003e98267d20] do_vfs_ioctl at c000000000407d30
#6 [c000003e98267dc0] ksys_ioctl at c000000000408674
#7 [c000003e98267e10] sys_ioctl at c0000000004086f8
#8 [c000003e98267e30] system_call at c00000000000b488
crash> struct -x kvm.vcpus 0xc000003da0000000
vcpus = {0xc000003db4880000, 0xc000003d52b80000, 0xc0000039e9c80000, 0xc000003d0e200000, 0xc000003d58280000, 0x0, 0x0, ...}
crash> struct -x kvm_vcpu.mutex.owner 0xc000003d58280000
mutex.owner = {
counter = 0xc000003a23a5c881 <- flag 1: waiters
},
crash> bt 0xc000003a23a5c880
PID: 61579 TASK: c000003a23a5c880 CPU: 9 COMMAND: "CPU 4/KVM"
(active)
crash> struct -x kvm_vcpu.mutex.wait_list 0xc000003d58280000
mutex.wait_list = {
next = 0xc000003e98267b10,
prev = 0xc000003e98267b10
},
crash> struct -x mutex_waiter.task 0xc000003e98267b10
task = 0xc000003e981e0780
The following command-line was used to reproduce the problem (note: gdb
and trace can change the results).
$ qemu-ppc/build/ppc64-softmmu/qemu-system-ppc64 -cpu host \
-enable-kvm -m 4096 \
-smp 4,maxcpus=8,sockets=1,cores=2,threads=4 \
-display none -nographic \
-drive file=disk1.qcow2,format=qcow2
...
(qemu) device_add host-spapr-cpu-core,core-id=4
[no interaction is possible after it, only SIGKILL to take the terminal
back]
Signed-off-by: Jose Ricardo Ziviani <joserz@linux.ibm.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This reverts commit 93f874fe9d.
Now with virtio-vga being resetted properly the
crash workaround is not needed any more.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20180821111313.27792-3-kraxel@redhat.com
We must call the reset functions for both virtio-gpu
and vga to properly reset the combo device.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20180821111313.27792-2-kraxel@redhat.com
spapr_init_cpus() currently creates spapr-cpu-core objects via
object_new() and setting their realized property to true. This leaves
their reference count at two, because object_new() adds an initial
reference and the realization attaches them to a default parent object
which also increments the reference count.
This causes a problem if one of these cores is hot unplugged: no
delete event is generated for it because it's reference count doesn't
reach zero when it is detached from it's parent.
Correct this by adding a call to object_unref() in spapr_init_cpus().
Signed-off-by: Sam Bobroff <sbobroff@linux.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This enables the correct generation of bootdevice fw paths for in-built IDE
and virtio-pci-blk devices suitable for OpenBIOS.
Note we also set the MachineClass ignore_boot_device_suffixes property to true
since an additional disk node should not be added except for virtio devices.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This enables the correct generation of bootdevice fw paths for in-built IDE
and virtio-pci-blk devices suitable for OpenBIOS.
Note we also set the MachineClass ignore_boot_device_suffixes property to true
since an additional disk node should not be added except for virtio devices.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This contains the offset of the IDE controller within the macio address space
and is required to allow the address to be included within the fw path.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
As the in-built IDE controller is attached to the macio bus then we should also
model this the same in QEMU to aid fw path generation.
Note that all existing macio devices are moved onto the new macio bus so that
the qdev tree accurately reflects the real hardware.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The generated qapi_event_send_FOO() take an Error ** argument. They
can't actually fail, because all they do with the argument is passing it
to functions that can't fail: the QObject output visitor, and the
@qmp_emit callback, which is either monitor_qapi_event_queue() or
event_test_emit().
Drop the argument, and pass &error_abort to the QObject output visitor
and @qmp_emit instead.
Suggested-by: Eric Blake <eblake@redhat.com>
Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180815133747.25032-4-peterx@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Commit message rewritten, update to qapi-code-gen.txt corrected]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
The code should only be enabled if CONFIG_VIRTIO_BLK has been set.
This can be done best if the code resides in a separate file.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1532542110-9017-1-git-send-email-thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The code should only be enabled if CONFIG_VIRTIO_NET has been set.
This can be done best if the code resides in a separate file.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1532542056-8927-1-git-send-email-thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The code should only be enabled if CONFIG_VIRTIO_INPUT has been set.
This can be done best if the code resides in a separate file.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1532521224-27235-11-git-send-email-thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The code should only be enabled if CONFIG_VIRTIO_GPU has been set. This
can be done best if the code resides in a separate file.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1532521224-27235-10-git-send-email-thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The code should only be enabled if CONFIG_VHOST_VSOCK has been set.
This can be done best if the code resides in a separate file.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1532521224-27235-9-git-send-email-thuth@redhat.com>
[CH: updated MAINTAINERS]
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The code should only be enabled if CONFIG_VIRTIO_CRYPTO has been set.
This can be done best if the code resides in a separate file.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1532521224-27235-8-git-send-email-thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The code should only be enabled if CONFIG_VIRTIO_9P and CONFIG_VIRTFS
have been set. This can be done best if the code resides in a separate
file.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1532521224-27235-7-git-send-email-thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The code should only be enabled if CONFIG_VIRTIO_RNG has been set.
This can be done best if the code resides in a separate file.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1532521224-27235-6-git-send-email-thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The code should only be enabled if CONFIG_VIRTIO_SCSI has been set.
This can be done best if the code resides in a separate file.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1532521224-27235-5-git-send-email-thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The code should only be enabled if CONFIG_VIRTIO_BALLOON has been
set. This can be done best if the code resides in a separate file.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1532521224-27235-4-git-send-email-thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The code should only be enabled if CONFIG_VIRTIO_SERIAL has been set.
This can be done best if the code resides in a separate file.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1532521224-27235-3-git-send-email-thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Currently, every virtio-ccw device explicitely sets its unrealize
function to virtio_ccw_unrealize() in its class_init function.
We can simplify this by using a common unrealize function, just like
it is already done for the realize functions.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1532521224-27235-2-git-send-email-thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Commit 2c88b098e7 added a call to SPAPR_MACHINE_GET_CLASS(spapr) in
spapr_phb_realize() before we check spapr isn't NULL. This causes QEMU
to crash when starting a non-pseries machine with a sPAPR PHB.
This could be fixed by setting the smc variable after the null check,
but it seems more explicit to use a ternary operator to skip the call
to SPAPR_MACHINE_GET_CLASS() if spapr is NULL, since spapr_phb_realize()
will return immediately in this case.
This was reported by Coverity (CID 1395170 and 1395183).
Fixes: 2c88b098e7
Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Introduced in 04d595b300 ("spapr: do not use CPU_FOREACH_REVERSE",
2018-08-23)
Fixes: CID1395181
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
There is no known available OS for ppc around anymore that uses page
sizes below 4k, so it does not make much sense that we keep wasting
our time on building and testing the ppcemb-softmmu target. It has
been deprecated since two releases, and nobody complained, so let's
remove this now.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Replace all the trace_vtd_err_*() hooks with the new error_report_once()
since they are similar to trace_vtd_err() - dumping the first error
would be mostly enough, then we have them on by default too.
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180815095328.32414-4-peterx@redhat.com>
[Use "%x" instead of "%" PRIx16 to print uint16_t, whitespace tidied up]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Replace existing trace_vtd_err() with error_report_once() then stderr
will capture something if any of the error happens, meanwhile we don't
suffer from any DDOS. Then remove the trace point. Since at it,
provide more information where proper (now we can pass parameters into
the report function).
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180815095328.32414-3-peterx@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[Two format strings fixed, whitespace tidied up]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Fix passing argument for nanoMIPS bare metal related to the
semihosting regime.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Yongbok Kim <yongbok.kim@mips.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Stefan Markovic <smarkovic@wavecomp.com>
Setup the GT64120 BARs in the nanoMIPS bootloader, in the same way that
they are setup in the MIPS32 bootloader. This is necessary for Linux to
be able to access peripherals, including the UART.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Paul Burton <pburton@wavecomp.com>
Signed-off-by: Yongbok Kim <yongbok.kim@mips.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Stefan Markovic <smarkovic@wavecomp.com>
Add basic nanoMIPS boot code for Malta.
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Yongbok Kim <yongbok.kim@mips.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Stefan Markovic <smarkovic@wavecomp.com>
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Merge remote-tracking branch 'remotes/juanquintela/tags/check/20180822' into staging
check/next for 20180822
# gpg: Signature made Wed 22 Aug 2018 09:03:40 BST
# gpg: using RSA key F487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>"
# gpg: aka "Juan Quintela <quintela@trasno.org>"
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03 4B82 F487 EF18 5872 D723
* remotes/juanquintela/tags/check/20180822:
check: Only test tpm devices when they are compiled in
check: Only test usb-ehci when it is compiled in
check: Only test usb-uhci devices when they are compiled in
check: Only test usb-ohci when it is compiled in
check: Only test nvme when it is compiled in
check: Only test pvpanic when it is compiled in
check: Only test wdt_ib700 when it is compiled in
check: Only test sdhci when it is compiled in
check: Only test i82801b11 when it is compiled in
check: Only test ioh3420 when it is compiled in
check: Only test ipack when it is compiled in
check: Only test hda when it is compiled in
check: Only test ac97 when it is compiled in
check: Only test es1370 when it is compiled in
check: Only test rtl8139 when it is compiled in
check: Only test pcnet when it is compiled in
check: Only test eepro100 when it is compiled in
check: Only test ne2000 when it is compiled in
check: Only test vmxnet3 when it is compiled in
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Fix MPS2 SCC config register values for the mps2-an511
and mps2-an385 boards:
* the SCC_AID bits [23:20] specify the FPGA build target board revision,
and the SCC_CFG4 register specifies the actual board revision, so
these should have matching values. Claim to be board revision C,
consistently -- we had the revision in the wrong part of SCC_AID.
* SCC_ID bits [15:4] should be the board number in hex, not decimal
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180823175225.22612-1-peter.maydell@linaro.org
Refactor bcm2835_fb_mbox_push() to work by calling
bcm2835_fb_validate_config() and bcm2835_fb_reconfigure(),
so that config set this way is also validated.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180814144436.679-9-peter.maydell@linaro.org
