VgaState->vram_size is the size of the pci bar. In case of qxl not the
whole pci bar can be used as vga framebuffer. Add a new variable
vbe_size to handle that case. By default (if unset) it equals
vram_size, but qxl can set vbe_size to something else.
This makes sure VBE_DISPI_INDEX_VIDEO_MEMORY_64K returns correct results
and sanity checks are done with the correct size too.
Cc: qemu-stable@nongnu.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
1. s390x/kvm: avoid synchronize_rcu's in kernel
----------------------------------------------
The first patches change s390x/kvm code to issue VCPU specific ioctls
from the VCPU thread. This will avoid unnecessary synchronize_rcu in
the kernel, which caused a noticably slowdown with many guest CPUs.
It speeds up all start/restart/reset operations involving cpus
drastically.
2. s390-ccw.img: block size and DASD format support
---------------------------------------------------
The second part changes the s390-ccw bios to IPL (boot) more disk
formats than before. Furthermore a small fix is made to the console
output of the bios.
3. s390: Support for Hotplug of Standby Memory
----------------------------------------------
The third part adds support in s390 for a pool of standby memory,
which can be set online/offline by the guest (ie, via chmem).
The standby pool of memory is allocated as the difference between
the initial memory setting and the maxmem setting.
As part of this work, additional results are provided for the
Read SCP Information SCLP, and new implentation is added for the
Read Storage Element Information, Attach Storage Element,
Assign Storage and Unassign Storage SCLPs, which enables the s390
guest to manipulate the standby memory pool.
This patchset is based on work originally done by Jeng-Fang (Nick)
Wang.
Sample qemu command snippet:
qemu -machine s390-ccw-virtio -m 1024M,maxmem=2048M,slots=32 -enable-kvm
This will allocate 1024M of active memory, and another 1024M
of standby memory. Example output from s390-tools lsmem:
=============================================================================
0x0000000000000000-0x000000000fffffff 256 online no 0-127
0x0000000010000000-0x000000001fffffff 256 online yes 128-255
0x0000000020000000-0x000000003fffffff 512 online no 256-511
0x0000000040000000-0x000000007fffffff 1024 offline - 512-1023
Memory device size : 2 MB
Memory block size : 256 MB
Total online memory : 1024 MB
Total offline memory: 1024 MB
The guest can dynamically enable part or all of the standby pool
via the s390-tools chmem, for example:
chmem -e 512M
And can attempt to dynamically disable:
chmem -d 512M
4. s390x/gdb: various fixes
---------------------------
* Patch 1 fixes a bug where the cc was changed accidentally.
* Patch 2 adds the gdb feature XML files for s390x
* Patch 3 Define acr and fpr registers as coprocessor registers. This allows us
to reuse the feature XML files.
* Patch 4 whitespace fixes
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Merge remote-tracking branch 'remotes/borntraeger/tags/kvm-s390-20140901' into staging
s390x/kvm: Several updates/fixes/features
1. s390x/kvm: avoid synchronize_rcu's in kernel
----------------------------------------------
The first patches change s390x/kvm code to issue VCPU specific ioctls
from the VCPU thread. This will avoid unnecessary synchronize_rcu in
the kernel, which caused a noticably slowdown with many guest CPUs.
It speeds up all start/restart/reset operations involving cpus
drastically.
2. s390-ccw.img: block size and DASD format support
---------------------------------------------------
The second part changes the s390-ccw bios to IPL (boot) more disk
formats than before. Furthermore a small fix is made to the console
output of the bios.
3. s390: Support for Hotplug of Standby Memory
----------------------------------------------
The third part adds support in s390 for a pool of standby memory,
which can be set online/offline by the guest (ie, via chmem).
The standby pool of memory is allocated as the difference between
the initial memory setting and the maxmem setting.
As part of this work, additional results are provided for the
Read SCP Information SCLP, and new implentation is added for the
Read Storage Element Information, Attach Storage Element,
Assign Storage and Unassign Storage SCLPs, which enables the s390
guest to manipulate the standby memory pool.
This patchset is based on work originally done by Jeng-Fang (Nick)
Wang.
Sample qemu command snippet:
qemu -machine s390-ccw-virtio -m 1024M,maxmem=2048M,slots=32 -enable-kvm
This will allocate 1024M of active memory, and another 1024M
of standby memory. Example output from s390-tools lsmem:
=============================================================================
0x0000000000000000-0x000000000fffffff 256 online no 0-127
0x0000000010000000-0x000000001fffffff 256 online yes 128-255
0x0000000020000000-0x000000003fffffff 512 online no 256-511
0x0000000040000000-0x000000007fffffff 1024 offline - 512-1023
Memory device size : 2 MB
Memory block size : 256 MB
Total online memory : 1024 MB
Total offline memory: 1024 MB
The guest can dynamically enable part or all of the standby pool
via the s390-tools chmem, for example:
chmem -e 512M
And can attempt to dynamically disable:
chmem -d 512M
4. s390x/gdb: various fixes
---------------------------
* Patch 1 fixes a bug where the cc was changed accidentally.
* Patch 2 adds the gdb feature XML files for s390x
* Patch 3 Define acr and fpr registers as coprocessor registers. This allows us
to reuse the feature XML files.
* Patch 4 whitespace fixes
# gpg: Signature made Mon 01 Sep 2014 12:53:39 BST using RSA key ID B5A61C7C
# gpg: Can't check signature: public key not found
* remotes/borntraeger/tags/kvm-s390-20140901:
s390x/gdb: coding style fixes
s390x/gdb: generate target.xml and handle fp/ac as coprocessors
s390x/gdb: add the feature xml files for s390x
s390x/gdb: don't touch the cc if tcg is not enabled
sclp-s390: Add memory hotplug SCLPs
s390-virtio: Apply same memory boundaries as virtio-ccw
virtio-ccw: Include standby memory when calculating storage increment
sclp-s390: Add device to manage s390 memory hotplug
pc-bios/s390-ccw.img binary update
pc-bios/s390-ccw: Do proper console setup
pc-bios/s390-ccw: IPL from DASD with format variations
pc-bios/s390-ccw Really big EAV ECKD DASD handling
pc-bios/s390-ccw Improve ECKD informational message
pc-bios/s390-ccw: handle more ECKD DASD block sizes
pc-bios/s390-ccw: support all virtio block size
s390x/kvm: execute the first cpu reset on the vcpu thread
s390x/kvm: execute "system reset" cpu resets on the vcpu thread
s390x/kvm: execute sigp orders on the target vcpu thread
s390x/kvm: run guest triggered resets on the target vcpu thread
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Damn, the dirty rectangle values are signed integers. So the checks
added by commit 788fbf042f are not good
enough, we also have to make sure they are not negative.
[ Note: There must be something broken in spice-server so we get
negative values in the first place. Bug opened:
https://bugzilla.redhat.com/show_bug.cgi?id=1135372 ]
Cc: qemu-stable@nongnu.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Add memory information to read SCP info and add handlers for
Read Storage Element Information, Attach Storage Element,
Assign Storage and Unassign Storage.
Signed-off-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Although s390-virtio won't support memory hotplug, it should
enforce the same memory boundaries so that it can use shared codepaths
(like read_SCP_info).
Signed-off-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
When determining the memory increment size, use the maxmem size if
it was specified.
Signed-off-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Add sclpMemoryHotplugDev to contain associated data structures, etc.
Signed-off-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging
Block pull request
# gpg: Signature made Fri 29 Aug 2014 17:25:58 BST using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>"
* remotes/stefanha/tags/block-pull-request: (35 commits)
quorum: Fix leak of opts in quorum_open
blkverify: Fix leak of opts in blkverify_open
nfs: Fix leak of opts in nfs_file_open
curl: Don't deref NULL pointer in call to aio_poll.
curl: Allow a cookie or cookies to be sent with http/https requests.
virtio-blk: allow drive_del with dataplane
block: acquire AioContext in do_drive_del()
linux-aio: avoid deadlock in nested aio_poll() calls
qemu-iotests: add multiwrite test cases
block: fix overlapping multiwrite requests
nbd: Follow the BDS' AIO context
block: Add AIO context notifiers
nbd: Drop nbd_can_read()
sheepdog: fix a core dump while do auto-reconnecting
aio-win32: add support for sockets
qemu-coroutine-io: fix for Win32
AioContext: introduce aio_prepare
aio-win32: add aio_set_dispatching optimization
test-aio: test timers on Windows too
AioContext: export and use aio_dispatch
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Now that drive_del acquires the AioContext we can safely allow deleting
the drive. As with non-dataplane mode, all I/Os submitted by the guest
after drive_del will return EIO.
This patch makes hot unplug work with virtio-blk dataplane. Previously
drive_del reported an error because the device was busy.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Take IRQ target mask into account when determining the highest priority
pending interrupt.
Signed-off-by: Sergey Fedorov <serge.fdrv@gmail.com>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Message-id: 1407947471-26981-1-git-send-email-serge.fdrv@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
I'm running on a system with 8 cpus and it would be nice to have qemu
support all of them. The attached patch does that and has been tested.
That said, I'm not sure if 8 is enough or if we want to bump this even higher
now before systems with many more cpus come along. 255 anyone?
Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Joel Schopp <joel.schopp@amd.com>
Message-id: 20140819213304.19537.2834.stgit@joelaarch64.amd.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Use constant rather than a plain number.
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Adam Lackorzynski <adam@os.inf.tu-dresden.de>
Message-id: 1408372255-12358-5-git-send-email-adam@os.inf.tu-dresden.de
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Only SGIs must be WI, done by forcing them to their default
(edge-triggered).
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Adam Lackorzynski <adam@os.inf.tu-dresden.de>
Message-id: 1408372255-12358-4-git-send-email-adam@os.inf.tu-dresden.de
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Setting the model is only available in pre-v1 GIC models.
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Adam Lackorzynski <adam@os.inf.tu-dresden.de>
Message-id: 1408372255-12358-3-git-send-email-adam@os.inf.tu-dresden.de
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The GICD_ICFGR register covers 4 interrupts per byte.
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Adam Lackorzynski <adam@os.inf.tu-dresden.de>
Message-id: 1408372255-12358-2-git-send-email-adam@os.inf.tu-dresden.de
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
since hotunplug the ehci host adapter, we should
delete vm_change_state_handler also, so the
VMChangeStateEntry should be saved in EHCIState.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
add global variables releasing logic when the usb buses
were removed or hot-unpluged.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
There appears to be typo in OHCI with isochronous transfers
resulting in isoch. transfer descriptor state never being written back.
The'put_words' function is in a OR statement hence it is never called.
Signed-off-by: Jack Un <jack.un@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
after commit 003e15a180
the DPRINTF will broke compiling, adjust its location.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
We identify devices by their Open Firmware device paths. The encoding
of the host controller and hub port numbers is incorrect:
usb_get_fw_dev_path() formats them in decimal, while SeaBIOS uses
hexadecimal. When some port number > 9, SeaBIOS will miss the
bootindex (lucky case), or apply it to another device (unlucky case).
The relevant spec[*] agrees with SeaBIOS (and OVMF, for that matter).
Change %d to %x.
Bug can bite only with host controllers or hubs sporting more than ten
ports. I'm not aware of any.
[*] Open Firmware Recommended Practice: Universal Serial Bus,
Version 1, Section 3.2.1 Device Node Address Representation
http://www.openfirmware.org/1275/bindings/usb/usb-1_0.ps
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Note: xhci can be configured with up to 15 ports (default is 4 ports).
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
We identify devices by their Open Firmware device paths. The encoding
of bus numbers is incorrect: idebus_get_fw_dev_path() formats them in
decimal, while SeaBIOS uses hexadecimal. With bus number > 9, SeaBIOS
will miss the bootindex (lucky case), or apply it to another device
(unlucky case).
Bug can't bite right now: ich9-ahci has six ports, and the sysbus-ahci
created by Calxeda Highbank has just one.
Fix it anyway, by changing %d to %x.
I couldn't find an Open Firmware spec covering this. For what it's
worth, OVMF agrees with SeaBIOS.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
reporting from Fam and a fix for DPRINTF bitrot. Memory patches try
again to initialize name from the QOM name.
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
SCSI patches include bug fixes from Fam and Peter, improved error
reporting from Fam and a fix for DPRINTF bitrot. Memory patches try
again to initialize name from the QOM name.
# gpg: Signature made Thu 28 Aug 2014 15:10:31 BST using RSA key ID 9B4D86F2
# gpg: Good signature from "Paolo Bonzini <pbonzini@redhat.com>"
# gpg: aka "Paolo Bonzini <bonzini@gnu.org>"
* remotes/bonzini/tags/for-upstream:
memory: Lazy init name from QOM name as needed
xen: hvm: Abstract away memory region name ref
xen-hvm: Constify string
virtio-scsi: Report error if num_queues is 0 or too large
scsi-generic: remove superfluous DPRINTF avoid to break compiling
block/iscsi: fix memory corruption on iscsi resize
scsi-bus: Convert DeviceClass init to realize
block: Pass errp in blkconf_geometry
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
of the NMI monitor command.
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Merge remote-tracking branch 'remotes/kvm/tags/for-upstream' into staging
Mostly bugfixes + Alexey's interface-based implementation
of the NMI monitor command.
# gpg: Signature made Thu 28 Aug 2014 15:07:22 BST using RSA key ID 9B4D86F2
# gpg: Good signature from "Paolo Bonzini <pbonzini@redhat.com>"
# gpg: aka "Paolo Bonzini <bonzini@gnu.org>"
* remotes/kvm/tags/for-upstream:
mc146818rtc: reinitialize irq_reinject_on_ack_count on reset
target-i386: Add "tsc_adjust" CPU feature name
target-i386: Add "mpx" CPU feature name
vl: process -object after other backend options
checkpatch.pl: adjust typedef definition to QEMU coding style
x86: Clear MTRRs on vCPU reset
x86: kvm: Add MTRR support for kvm_get|put_msrs()
x86: Use common variable range MTRR counts
target-i386: Don't forbid NX bit on PAE PDEs and PTEs
spapr: Add support for new NMI interface
s390x: Migrate to new NMI interface
s390x: Convert QEMUMachine to MachineClass
cpus: Define callback for QEMU "nmi" command
kvm: run cpu state synchronization on target vcpu thread
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
No cmd vq surprises guest (Linux panics in virtscsi_probe), too many
queues abort qemu (in the following virtio_add_queue).
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
variables lun and tag had been eliminated, break compiling
when enable debug switch. Meanwhile traces provide the same
information with this DPRINTF, so remove it.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Replace "init/destroy" with "realize/unrealize" in SCSIDeviceClass,
which has errp as a parameter. So all the implementations now use
error_setg instead of error_report for reporting error.
Also in scsi_bus_legacy_handle_cmdline, report the error when
initializing the if=scsi devices, before returning it, because in the
callee, error_report is changed to error_setg. And the callers don't
have the right locations (e.g. "-drive if=scsi").
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This allows us to pass error information to caller.
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
If we make use of OVMF for the BIOS then we can use GPUs without VGA
space access, but we still need this quirk. Disassociate it from the
x-vga option and enable it on all NVIDIA VGA display class devices.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
A bunch of bugfixes - these will make sense for 2.1.1
ACPI support for TPM and partial ARI support for PCIE.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pci, pc fixes, features
A bunch of bugfixes - these will make sense for 2.1.1
ACPI support for TPM and partial ARI support for PCIE.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Sun 24 Aug 2014 23:16:35 BST using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
* remotes/mst/tags/for_upstream:
pcie: fix trailing whitespace
ioh3420: Enable ARI forwarding
ioh3420: Remove obsoleted, unused ioh3420_init function
pcie: Rename the pcie_cap_ari_* functions to pcie_cap_arifwd_*
pcie: Fix incorrect write to the ari capability next function field
ssdt-tpm: add generated hex file to git
Add ACPI tables for TPM
pc: reserve more memory for ACPI for new machine types
pcihp: fix possible array out of bounds
pci_bridge: manually destroy memory regions within PCIBridgeWindows
hostmem: set MPOL_MF_MOVE
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This implements an NMI interface POWERPC SPAPR machine.
This enables an "nmi" HMP/QMP command supported on SPAPR.
This calls POWERPC_EXCP_RESET (vector 0x100) in the guest to deliver NMI
to every CPU. The expected result is XMON (in-kernel debugger) invocation.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This implements an NMI interface for s390 and s390-ccw machines.
This removes #ifdef s390 branch in qmp_inject_nmi so new s390's
nmi_monitor_handler() callback is going to be used for NMI.
Since nmi_monitor_handler()-calling code is platform independent,
CPUState::cpu_index is used instead of S390CPU::env.cpu_num.
There should not be any change in behaviour as both @cpu_index and
@cpu_num are global CPU numbers.
Note that s390_cpu_restart() already takes care of the specified cpu,
so we don't need to schedule via async_run_on_cpu().
Since the only error s390_cpu_restart() can return is ENOSYS, convert
it to QERR_UNSUPPORTED.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This converts s390-virtio and s390-ccw-virtio machines to QOM MachineClass.
This brings ability to add interfaces to the machine classes. The first
interface for addition will be NMI.
The patch is mechanical so no change in behavior is expected.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This introduces an NMI (Non Maskable Interrupt) interface with
a single nmi_monitor_handler() method. A machine or a device can
implement it. This searches for an QOM object with this interface
and if it is implemented, calls it. The callback implements an action
required to cause debug crash dump on in-kernel debugger invocation.
The callback returns Error**.
This adds a nmi_monitor_handle() helper which walks through
all objects to find the interface. The interface method is called
for all found instances.
This adds support for it in qmp_inject_nmi(). Since no architecture
supports it at the moment, there is no change in behaviour.
This changes inject-nmi command description for HMP and QMP.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Gerd Hoffmann