Commit Graph

1360 Commits

Author SHA1 Message Date
Dr. David Alan Gilbert 8f480de0c9 Add 'debug-threads' suboption to --name
Add flag storage to qemu-thread-* to store the namethreads flag

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
2014-03-09 21:09:37 +02:00
Igor Mammedov 8e46bbf362 memory_region_present: return false if address is not found in child MemoryRegion
Windows XP shows COM2 port as non functional in
"Device Manager" although no COM2 port backing device
is present in QEMU.

This regression is really due to
3bb28b7208b349e7a1b326e3c6ef9efac1d462bf?
    memory: Provide separate handling of unassigned io ports accesses

That is caused by the fact that QEMU reports to
OSPM that device is present by setting 5th bit in
PII4XPM.pci_conf[0x67] register when COM2 doesn't
exist.

It happens due to memory_region_present(io_as, 0x2f8)
returning false positive since 0x2f8 address eventually
translates into catchall io_as address space.

Fix memory_region_present(parent, addr) by returning
true only if addr maps into a MemoryRegion within
parent (excluding parent itself), to match its
doc comment.

While at it fix copy/paste error in
memory_region_present() doc comment.

Note: this is a temporary hack: we really need better handling for
unassigned regions, we should avoid fallback regions since they are bad
for performance (breaking radix tree assumption that the data structure
is sparsely populated); for memory we need to fix this to implement PCI
master abort properly, anyway.

Cc: Jan Kiszka <jan.kiszka@siemens.com>
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>
2014-03-09 21:09:37 +02:00
Peter Maydell 6fc0303b95 Input handling rewrite.
SDL2 support.
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Merge remote-tracking branch 'remotes/kraxel/tags/pull-input-4' into staging

Input handling rewrite.
SDL2 support.

# gpg: Signature made Wed 05 Mar 2014 11:16:08 GMT using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-input-4: (38 commits)
  ui/sdl2 : initial port to SDL 2.0 (v2.0)
  console: add QemuUIInfo
  console: add head to index to qemu consoles.
  input: remove index_from_keycode (no users)
  input: move do_mouse_set to new core
  input: move qmp_query_mice to new core
  input: add input_mouse_mode tracepoint
  input: move mouse mode notifier to new core
  input-legacy: remove kbd_mouse_event
  input-legacy: remove kbd_mouse_is_absolute
  input-legacy: remove kbd_mouse_has_absolute
  input-legacy: remove kbd_put_keycode
  input: trace events
  input: mouse: switch cocoa ui to new core
  input: keyboard: switch cocoa ui to new core
  input: mouse: switch monitor to new core
  input: mouse: switch spice ui to new core
  input: mouse: switch vnc ui to new core
  input: mouse: switch sdl ui to new core
  input: mouse: switch gtk ui to new core
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-07 18:29:33 +00:00
Gerd Hoffmann 6f90f3d786 console: add QemuUIInfo
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-03-05 09:52:04 +01:00
Gerd Hoffmann 5643706a09 console: add head to index to qemu consoles.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-03-05 09:52:04 +01:00
Gerd Hoffmann 5c07d00f1b input: remove index_from_keycode (no users)
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-03-05 09:52:04 +01:00
Gerd Hoffmann 4a33f45e2e input: move mouse mode notifier to new core
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-03-05 09:52:04 +01:00
Gerd Hoffmann 4798648e32 input-legacy: remove kbd_mouse_event
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-03-05 09:52:03 +01:00
Gerd Hoffmann 2d0755d21c input-legacy: remove kbd_mouse_is_absolute
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-03-05 09:52:03 +01:00
Gerd Hoffmann 16b0ecd168 input-legacy: remove kbd_mouse_has_absolute
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-03-05 09:52:03 +01:00
Gerd Hoffmann faecd955ce input-legacy: remove kbd_put_keycode
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-03-05 09:52:03 +01:00
Gerd Hoffmann 21bae11a39 input: mouse: switch cocoa ui to new core
Build fixes by Peter Maydell.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-03-05 09:52:03 +01:00
Gerd Hoffmann 502c8db5b4 input: mouse: add qemu_input_is_absolute()
Same as kbd_mouse_is_absolute(), but using new input core.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-03-05 09:52:02 +01:00
Gerd Hoffmann 43579403a3 input: mouse: add helpers functions to core
Likewise a bunch of helper functions to manage mouse button
and movement events, again to make life easier for the ui code.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-03-05 09:50:18 +01:00
Gerd Hoffmann 6567147588 input: keyboard: add helper functions to core
A bunch of helper functions to manage keyboard events,
to make life simpler for the ui code when submitting
keyboard events.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-03-05 09:50:17 +01:00
Gerd Hoffmann c8b405b679 input: add core bits of the new input layer
Register and unregister handlers.
Event dispatcher code.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-03-05 09:50:17 +01:00
Gerd Hoffmann d4c8533755 console: export QemuConsole index,width,height
Add functions to query QemuConsole properties.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-03-05 09:50:17 +01:00
Alexander Graf 61de36761b qdev: Keep global allocation counter per bus
When we have 2 separate qdev devices that both create a qbus of the
same type without specifying a bus name or device name, we end up
with two buses of the same name, such as ide.0 on the Mac machines:

  dev: macio-ide, id ""
    bus: ide.0
      type IDE
  dev: macio-ide, id ""
    bus: ide.0
      type IDE

If we now spawn a device that connects to a ide.0 the last created
bus gets the device, with the first created bus inaccessible to the
command line.

After some discussion on IRC we concluded that the best quick fix way
forward for this is to make automated bus-class type based allocation
count a global counter. That's what this patch implements. With this
we instead get

  dev: macio-ide, id ""
    bus: ide.1
      type IDE
  dev: macio-ide, id ""
    bus: ide.0
      type IDE

on the example mentioned above.

This also means that if you did -device ...,bus=ide.0 you got a device
on the first bus (the last created one) before this patch and get that
device on the second one (the first created one) now.  Breaks
migration unless you change bus=ide.0 to bus=ide.1 on the destination.

This is intended and makes the bus enumeration work as expected.

As per review request follows a list of otherwise affected boards and
the reasoning for the conclusion that they are ok:

   target      machine         bus id              times
   ------      -------         ------              -----

   aarch64     n800            i2c-bus.0           2
   aarch64     n810            i2c-bus.0           2
   arm         n800            i2c-bus.0           2
   arm         n810            i2c-bus.0           2

-> Devices are only created explicitly on one of the two buses, using
   s->mpu->i2c[0], so no change to the guest.

   aarch64     vexpress-a15    virtio-mmio-bus.0   4
   aarch64     vexpress-a9     virtio-mmio-bus.0   4
   aarch64     virt            virtio-mmio-bus.0   32
   arm         vexpress-a15    virtio-mmio-bus.0   4
   arm         vexpress-a9     virtio-mmio-bus.0   4
   arm         virt            virtio-mmio-bus.0   32

-> Makes -device bus= work for all virtio-mmio buses.  Breaks
   migration.  Workaround for migration from old to new: specify
   virtio-mmio-bus.4 or .32 respectively rather than .0 on the
   destination.

   aarch64     xilinx-zynq-a9  usb-bus.0           2
   arm         xilinx-zynq-a9  usb-bus.0           2
   mips64el    fulong2e        usb-bus.0           2

-> Normal USB operation not affected. Migration driver needs command
   line to use the other bus.

   i386        isapc           ide.0               2
   x86_64      isapc           ide.0               2
   mips        mips            ide.0               2
   mips64      mips            ide.0               2
   mips64el    mips            ide.0               2
   mipsel      mips            ide.0               2
   ppc         g3beige         ide.0               2
   ppc         mac99           ide.0               2
   ppc         prep            ide.0               2
   ppc64       g3beige         ide.0               2
   ppc64       mac99           ide.0               2
   ppc64       prep            ide.0               2

-> Makes -device bus= work for all IDE buses.  Breaks migration.
   Workaround for migration from old to new: specify ide.1 rather than
   ide.0 on the destination.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Andreas Faerber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-03-05 03:06:47 +01:00
Alexey Kardashevskiy 18674b2678 elf-loader: add more return codes
The existing load_elf() just returns -1 if it fails to load ELF. However
it could be smarter than this and tell more about the failure such as
wrong endianness or incompatible platform.

This adds additional return codes for wrong architecture, wrong
endianness and if the image is not ELF at all.

This adds a load_elf_strerror() helper to convert return codes into
string messages.

This fixes handling of what load_elf() returns for s390x, other
callers just check the return value for <0 and this remains unchanged.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-03-05 03:06:46 +01:00
Tom Musta e44259b6d4 target-ppc: Add ISA2.06 divde[o] Instructions
This patch adds the Divide Doubleword Extended instructions.
The implementation builds on the unsigned helper provided in
the previous patch.

Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-03-05 03:06:39 +01:00
Tom Musta 98d1eb2748 target-ppc: Add ISA2.06 divdeu[o] Instructions
This patch adds the Divide Doubleword Extended Unsigned
instructions.  This instruction requires dividing a 128-bit
value by a 64 bit value.  Since 128 bit integer division is
not supported in TCG, a helper is used.  An architecture
independent 128-bit division routine is added to host-utils.

Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
[agraf: use ||]
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-03-05 03:06:39 +01:00
Aneesh Kumar K.V 135a129a1c kvm: Add a new machine option kvm-type
Targets like ppc64 support different types of KVM, one which use
hypervisor mode and the other which doesn't. Add a new machine
option kvm-type that helps in selecting the respective ones
We also add a new QEMUMachine callback get_vm_type that helps
in mapping the string representation of kvm type specified.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
[agraf: spelling fixes, use error_report(), use qemumachine.h]
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-03-05 03:06:24 +01:00
Alexander Graf 9c06a1f79f KVM: Split QEMUMachine typedef into separate header
Older gcc versions (such as the one in SLES11) get confused when you declare
a typedef on the same struct twice.

To work around that limitation, let's extract the QEMUMachine typedef into a
separate header file that is guarded by preprocessor duplicate include checks.

This fixes the following type of compile errors for me:

  In file included from vl.c:125:
  include/hw/xen/xen.h:39: error: redefinition of typedef "QEMUMachine"
  include/sysemu/kvm.h:155: error: previous declaration of "QEMUMachine" was here

Signed-off-by: Alexander Graf <agraf@suse.de>
2014-03-05 03:06:24 +01:00
Peter Maydell ac458e121c trivial patches for 2014-03-04
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Merge remote-tracking branch 'remotes/mjt/tags/trivial-patches-2014-03-04' into staging

trivial patches for 2014-03-04

# gpg: Signature made Tue 04 Mar 2014 06:13:56 GMT using RSA key ID 74F0C838
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>"
# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>"
# gpg:                 aka "Michael Tokarev <mjt@debian.org>"
# 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: 6EE1 95D1 886E 8FFB 810D  4324 457C E0A0 8044 65C5
#      Subkey fingerprint: E190 8639 3B10 B51B AC2C  8B73 5253 C5AD 74F0 C838

* remotes/mjt/tags/trivial-patches-2014-03-04:
  vl: Remove unneeded include file
  qga: Remove unneeded include file
  qemu-img: Remove unneeded include files
  exec: Remove unneeded include files
  util/iov: Use qemu/sockets.h instead of conditional code
  qjson.h: Remove spurious GCC_FMT_ATTR markup from qobject_from_json() declaration
  tests/test-int128: Don't use __noclone__ attribute on clang
  stubs: Optimize dependencies for gdbstub.c
  tcg: Fix typo in comment (dependancies -> dependencies)
  bswap: Modify prototypes of st[wl]_{le, be}_p (avoid type conversions)
  bswap: Modify prototype of stb_p (avoid type conversions)
  object: Report type in error when not user creatable.
  include/qemu/host-utils.h: Trivial typo: ctz->cto

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-04 18:12:02 +00:00
Peter Maydell e00ef747f0 Merge remote-tracking branch 'remotes/qmp-unstable/queue/qmp' into staging
* remotes/qmp-unstable/queue/qmp: (32 commits)
  qapi: Add missing null check to opts_start_struct()
  qapi: Clean up superfluous null check in qapi_dealloc_type_str()
  qapi: Clean up null checking in generated visitors
  qapi: Drop unused code in qapi-commands.py
  qapi: Drop nonsensical header guard in generated qapi-visit.c
  qapi: Fix licensing of scripts
  tests/qapi-schema: Cover flat union types
  tests/qapi-schema: Cover union types with base
  tests/qapi-schema: Cover complex types with base
  tests/qapi-schema: Cover anonymous union types
  tests/qapi-schema: Cover simple argument types
  tests/qapi-schema: Cover optional command arguments
  tests/qapi-schema: Actually check successful QMP command response
  monitor: Remove left-over code in do_info_profile.
  qerror: Improve QERR_DEVICE_NOT_ACTIVE message
  qmp: Check for returned data from __json_read in get_events
  dump: add 'query-dump-guest-memory-capability' command
  Define the architecture for compressed dump format
  dump: make kdump-compressed format available for 'dump-guest-memory'
  dump: add API to write dump pages
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-04 17:01:07 +00:00
Peter Maydell c2cb92f9ea Several features, fixes and cleanups for kvm/s390:
- sclp event facility: cleanup structure. This allows to use
   realize/unrealize   as well as migration support via vmsd
 - reboot: Two fixes that make reboot much more reliable
 - ipl: make elf loading more robust
 - flic interrupt controller: This allows to migrate floating
   interrupts, as well as clear them on reset etc.
 - enable async_pf feature of KVM on s390
 - several sclp fixes and cleanups
 - several sigp fixes and cleanups
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Merge remote-tracking branch 'remotes/borntraeger/tags/kvm-s390-20140227' into staging

Several features, fixes and cleanups for kvm/s390:

- sclp event facility: cleanup structure. This allows to use
  realize/unrealize   as well as migration support via vmsd
- reboot: Two fixes that make reboot much more reliable
- ipl: make elf loading more robust
- flic interrupt controller: This allows to migrate floating
  interrupts, as well as clear them on reset etc.
- enable async_pf feature of KVM on s390
- several sclp fixes and cleanups
- several sigp fixes and cleanups

* remotes/borntraeger/tags/kvm-s390-20140227: (22 commits)
  s390x/ipl: Fix crash of ELF images with arbitrary entry points
  s390x/kvm: Rework priv instruction handlers
  s390x/kvm: Add missing SIGP CPU RESET order
  s390x/kvm: Rework SIGP INITIAL CPU RESET handler
  s390x/cpu: Use ioctl to reset state in the kernel
  s390-ccw.img: new binary rom to match latest fixes
  s390-ccw.img: Fix sporadic errors with ccw boot image - initialize css
  s390-ccw.img: Fix sporadic reboot hangs: Initialize next_idx
  s390x/event-facility: exploit realize/unrealize
  s390x/event-facility: add support for live migration
  s390x/event-facility: code restructure
  s390x/event-facility: some renaming
  s390x/sclp: Fixed setting of condition code register
  s390x/sclp: Add missing checks to SCLP handler
  s390x/sclp: Fixed the size of sccb and code parameter
  s390x/eventfacility: mask out commands
  s390x/virtio-hcall: Specification exception for illegal subcodes
  s390x/virtio-hcall: Add range check for hypervisor call
  s390x/kvm: Fixed bad SIGP SET-ARCHITECTURE handler
  s390x/async_pf: Check for apf extension and enable pfault
  ...

Conflicts:
	linux-headers/linux/kvm.h

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-04 14:50:46 +00:00
Peter Maydell 739aa555b8 Merge remote-tracking branch 'remotes/bonzini/scsi-next' into staging
* remotes/bonzini/scsi-next:
  block/iscsi: fix segfault if writesame fails
  scsi-disk: Add support for port WWN and index descriptors in VPD page 83h
  block/iscsi: query for supported VPD pages
  block/iscsi: fix deadlock on scsi check condition
  scsi-bus: Fix transfer length for VERIFY with BYTCHK=11b
  scsi: report thin provisioning errors with werror=report
  scsi: Change scsi sense buf size to 252

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-04 14:25:34 +00:00
Peter Maydell d47e95c0c8 Merge remote-tracking branch 'remotes/mcayland/qemu-sparc' into staging
* remotes/mcayland/qemu-sparc:
  sun4m: Add Sun CG3 framebuffer initialisation function
  sun4m: Add Sun CG3 framebuffer and corresponding OpenBIOS FCode ROM
  sun4m: fix slavio timer RUN/STOP bit
  sun4m: Set HostID in NVRAM

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-04 13:09:06 +00:00
Peter Maydell aa830cdc28 qjson.h: Remove spurious GCC_FMT_ATTR markup from qobject_from_json() declaration
The function qobject_from_json() doesn't actually allow its
argument to be a format string -- it passes a NULL va_list*
to qobject_from_jsonv(), and the parser code will then never
actually interpret %-escape sequences (it tests whether the
va_list pointer is NULL and will stop with a parse error).

The spurious attribute markup causes clang warnings in some
of the test cases where we programmatically construct JSON
to feed to qobject_from_json():

 tests/test-qmp-input-visitor.c:76:35: warning: format string is not a
 string literal (potentially insecure) [-Wformat-security]
    data->obj = qobject_from_json(json_string);
                                  ^~~~~~~~~~~

Remove the incorrect attribute.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-03-03 09:45:46 +04:00
Stefan Weil 55e7c29e46 bswap: Modify prototypes of st[wl]_{le, be}_p (avoid type conversions)
The functions use uint16_t or uint32_t values, so show this in the function
prototypes. Non-optimizing compilers will avoid unnecessary type
conversions when generating calls of these inline functions.

stq_le_p, stq_be_p already use similar prototypes.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-03-02 17:12:41 +04:00
Stefan Weil 0064aceb29 bswap: Modify prototype of stb_p (avoid type conversions)
The function uses an uint8_t value, so show this in the function
prototype. Non-optimizing compilers will avoid unnecessary type
conversions from (u)int8_t to int and back to uint8_t when generating
calls of this inline function.

stw_p, stl_p and stq_p already use similar prototypes.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-03-02 17:12:41 +04:00
Dr. David Alan Gilbert 1c884abede include/qemu/host-utils.h: Trivial typo: ctz->cto
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-03-02 17:12:41 +04:00
Hani Benhabiles ffe9fe3a25 qerror: Improve QERR_DEVICE_NOT_ACTIVE message
The error message as currently used is confusing as there are no "balloon" or
"spice" devices.

(qemu) balloon 1024
balloon: Device 'balloon' has not been activated

With this patch:

(qemu) balloon 1024
balloon: No balloon device has been activated

Signed-off-by: Hani Benhabiles <hani@linux.com>
Suggested-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-02-28 13:39:25 -05:00
qiaonuohan d12f57ec66 dump: add API to write dump pages
functions are used to write page to vmcore. vmcore is written page by page.
page desc is used to store the information of a page, including a page's size,
offset, compression format, etc.

Signed-off-by: Qiao Nuohan <qiaonuohan@cn.fujitsu.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-02-28 11:52:03 -05:00
qiaonuohan 64cfba6a47 dump: add APIs to operate DataCache
DataCache is used to store data temporarily, then the data will be written to
vmcore. These functions will be called later when writing data of page to
vmcore.

Signed-off-by: Qiao Nuohan <qiaonuohan@cn.fujitsu.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-02-28 11:52:03 -05:00
qiaonuohan d0686c7291 dump: add API to write dump_bitmap
functions are used to write 1st and 2nd dump_bitmap of kdump-compressed format,
which is used to indicate whether the corresponded page is existed in vmcore.
1st and 2nd dump_bitmap are same, because dump level is specified to 1 here.

Signed-off-by: Qiao Nuohan <qiaonuohan@cn.fujitsu.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-02-28 11:52:03 -05:00
qiaonuohan 298f116827 dump: add API to write dump header
the functions are used to write header of kdump-compressed format to vmcore.
Header of kdump-compressed format includes:
1. common header: DiskDumpHeader32 / DiskDumpHeader64
2. sub header: KdumpSubHeader32 / KdumpSubHeader64
3. extra information: only elf notes here

Signed-off-by: Qiao Nuohan <qiaonuohan@cn.fujitsu.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-02-28 11:52:03 -05:00
qiaonuohan 7aad248d35 dump: add members to DumpState and init some of them
add some members to DumpState that will be used in writing vmcore in
kdump-compressed format. some of them, like page_size, will be initialized
in the patch.

Signed-off-by: Qiao Nuohan <qiaonuohan@cn.fujitsu.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-02-28 11:52:03 -05:00
qiaonuohan fda053875e dump: add API to write header of flatten format
flatten format will be used when writing kdump-compressed format. The format is
also used by makedumpfile, you can refer to the following URL to get more
detailed information about flatten format of kdump-compressed format:
http://sourceforge.net/projects/makedumpfile/

The two functions here are used to write start flat header and end flat header
to vmcore, and they will be called later when flatten format is used.

struct MakedumpfileHeader stored at the head of vmcore is used to indicate the
vmcore is in flatten format.

struct MakedumpfileHeader {
    char signature[16];     /* = "makedumpfile" */
    int64_t type;           /* = 1 */
    int64_t version;        /* = 1 */
};

And struct MakedumpfileDataHeader, with offset and buf_size set to -1, is used
to indicate the end of vmcore in flatten format.

struct MakedumpfileDataHeader {
    int64_t offset;         /* = -1 */
    int64_t buf_size;       /* = -1 */
};

Signed-off-by: Qiao Nuohan <qiaonuohan@cn.fujitsu.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-02-28 11:49:02 -05:00
qiaonuohan b5ba1cc626 dump: const-qualify the buf of WriteCoreDumpFunction
WriteCoreDumpFunction is a function pointer that points to the function used to
write content in "buf" into core file, so "buf" should be const-qualify.

Signed-off-by: Qiao Nuohan <qiaonuohan@cn.fujitsu.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-02-28 11:49:02 -05:00
Mark Cave-Ayland af87bf290f sun4m: Add Sun CG3 framebuffer initialisation function
In order to allow the user to choose the framebuffer for sparc-softmmu, add
-vga tcx and -vga cg3 options to the QEMU command line. If no option is
specified, the default TCX framebuffer is used.

Since proprietary FCode ROMs use a resolution of 1152x900, slightly relax the
validation rules to allow both displays to be initiated at the higher
resolution used by these ROMs upon request (OpenBIOS FCode ROMs default to
the normal QEMU sun4m default resolution of 1024x768).

Finally move any fprintf(stderr ...) statements in the areas affected by this
patch over to the new error_report() function.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
CC: Blue Swirl <blauwirbel@gmail.com>
CC: Anthony Liguori <aliguori@amazon.com>
CC: Peter Maydell <peter.maydell@linaro.org>
CC: Bob Breuer <breuerr@mc.net>
CC: Artyom Tarasenko <atar4qemu@gmail.com>
2014-02-27 10:01:41 +00:00
Mark Cave-Ayland f9681f116c sun4m: Set HostID in NVRAM
On SparcStations, the HostID field in the NVRAM is equal to the last
three bytes of the MAC address (which is also stored in the NVRAM).

This constant is used as an identification/serial number on Solaris.

Signed-off-by: Olivier Danet <odanet@caramail.com>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2014-02-27 10:01:40 +00:00
Heinz Graalfs 477a72a1ef s390x/event-facility: code restructure
Code restructure in order to simplify class hierarchy
  - remove S390SCLPDevice abstract base class
    and move function pointers into new SCLPEventFacilityClass
  - implement SCLPEventFacility as SysBusDevice
  - use define constants for instance creation strings

The following ascii-art shows the class structure wrt the SCLP EventFacility
before (CURRENT) and after the restructure (NEW):

----
CURRENT:

   "s390-sclp-events-bus"
   +-------------------------+
   |      SCLPEventsBus      |
   |-------------------------|
   |BusState qbus            |
   +-------------------------+

   +-------------------------+
   |   SCLPEventFacility     |  - to be replaced by new SCLPEventFacility,
   |-------------------------|    which will be a SysBusDevice
   |SCLPEventsBus sbus       |
   |DeviceState *qdev        |
   |unsigned int receive_mask|
   +-------------------------+

   +-------------------------+
   |   S390SCLPDeviceClass   |  - to be replaced by new SCLPEventFacilityClass
   |-------------------------|
   |DeviceClass qdev         |
   |*(init)()                |
   +-------------------------+

   "s390-sclp-event-facility"
             |
         instance-of
             |
             V
   "s390-sclp-device"           - this is an abstract class
   +-------------------------+
   |     S390SCLPDevice   (A)|  - to be replaced by new SCLPEventFacility
   |-------------------------|
   |SysBusDevice busdev      |
   |SCLPEventFacility *ef    |
   |                         |
   |*(sclp_command_handler)()|  - these 2 go to new SCLPEventFacilityClass
   |*(event_pending)()       |
   +-------------------------+

----
NEW:

   "s390-sclp-events-bus"
   +-------------------------+
   |      SCLPEventsBus      |
   |-------------------------|
   |BusState qbus            |
   +-------------------------+

   +-------------------------+
   | SCLPEventFacilityClass  |
   |-------------------------|
   |DeviceClass parent_class |
   |                         |
   |*(init)()                |
   |*(command_handler)()     |
   |*(event_pending)()       |
   +-------------------------+

   "s390-sclp-event-facility"
   +-------------------------+
   |   SCLPEventFacility     |
   |-------------------------|
   |SysBusDevice parent_class|
   |SCLPEventsBus sbus       |
   |unsigned int receive_mask|
   +-------------------------+

Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2014-02-27 09:51:25 +01:00
Jens Freimann 3a553fc658 s390x/kvm: implement floating-interrupt controller device
This patch implements a floating-interrupt controller device (flic)
which interacts with the s390 flic kvm_device.

Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2014-02-27 09:51:25 +01:00
Peter Maydell 2ce5868ca1 target-arm queue:
* fixes for various Coverity-spotted bugs
  * support new KVM device control API for VGIC
  * support KVM VGIC save/restore/migration
  * more AArch64 system mode foundations
  * support ARMv8 CRC instructions for A32/T32
  * PL330 minor fixes and cleanup
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20140226' into staging

target-arm queue:
 * fixes for various Coverity-spotted bugs
 * support new KVM device control API for VGIC
 * support KVM VGIC save/restore/migration
 * more AArch64 system mode foundations
 * support ARMv8 CRC instructions for A32/T32
 * PL330 minor fixes and cleanup

# gpg: Signature made Wed 26 Feb 2014 17:51:32 GMT using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"

* remotes/pmaydell/tags/pull-target-arm-20140226: (45 commits)
  dma/pl330: implement dmaadnh instruction
  dma/pl330: Fix buffer depth
  dma/pl330: Add event debugging printfs
  dma/pl330: Rename parent_obj
  dma/pl330: printf format type sweep.
  dma/pl330: Fix misleading type
  dma/pl330: Delete overly verbose debug printf
  target-arm: Add support for AArch32 ARMv8 CRC32 instructions
  include/qemu/crc32c.h: Rename include guards to match filename
  target-arm: Add utility function for checking AA32/64 state of an EL
  target-arm: Implement AArch64 view of CPACR
  target-arm: A64: Implement MSR (immediate) instructions
  target-arm: Store AIF bits in env->pstate for AArch32
  target-arm: A64: Implement WFI
  target-arm: Get MMU index information correct for A64 code
  target-arm: Implement AArch64 OSLAR_EL1 sysreg as WI
  target-arm: Implement AArch64 dummy breakpoint and watchpoint registers
  target-arm: Implement AArch64 ID and feature registers
  target-arm: Implement AArch64 generic timers
  target-arm: Implement AArch64 MPIDR
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-26 22:53:51 +00:00
Peter Maydell 6f6831f61a migration/next for 20140225
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Merge remote-tracking branch 'remotes/juanquintela/tags/migration/20140225' into staging

migration/next for 20140225

# gpg: Signature made Tue 25 Feb 2014 14:04:31 GMT using RSA key ID 5872D723
# gpg: Can't check signature: public key not found

* remotes/juanquintela/tags/migration/20140225:
  rdma: rename 'x-rdma' => 'rdma'
  Fix two XBZRLE corruption issues
  Fix vmstate_info_int32_le comparison/assign
  qemu_file: use fwrite() correctly

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-26 22:31:10 +00:00
Peter Maydell bc3fbad816 Net patches
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Merge remote-tracking branch 'remotes/stefanha/tags/net-pull-request' into staging

Net patches

# gpg: Signature made Tue 25 Feb 2014 13:32:33 GMT using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.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: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/net-pull-request:
  virtio-net: use qemu_get_queue() where possible
  vhost_net: use offload API instead of bypassing it
  net: remove implicit peer from offload API
  net: Disable netmap backend when not supported
  net: add offloading support to netmap backend
  net: make tap offloading callbacks static
  net: virtio-net and vmxnet3 use offloading API
  net: TAP uses NetClientInfo offloading callbacks
  net: extend NetClientInfo for offloading
  net: change vnet-hdr TAP prototypes
  opencores_eth: flush queue whenever can_receive can go from false to true

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-26 20:04:37 +00:00
Will Newton 0956ff5a4e include/qemu/crc32c.h: Rename include guards to match filename
Signed-off-by: Will Newton <will.newton@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1393411566-24104-2-git-send-email-will.newton@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-26 17:20:07 +00:00
Christoffer Dall 1da41cc1c6 arm: vgic device control api support
Support creating the ARM vgic device through the device control API and
setting the base address for the distributor and cpu interfaces in KVM
VMs using this API.

Because the older KVM_CREATE_IRQCHIP interface needs the irq chip to be
created prior to creating the VCPUs, we first test if we can use the
device control API in kvm_arch_irqchip_create (using the test flag from
the device control API).  If we cannot, it means we have to fall back to
KVM_CREATE_IRQCHIP and use the older ioctl at this point in time.  If
however, we can use the device control API, we don't do anything and
wait until the arm_gic_kvm driver initializes and let that use the
device control API.

Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Message-id: 1392687720-26806-5-git-send-email-christoffer.dall@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-26 17:20:00 +00:00
Christoffer Dall 0a6a7ccaae kvm: Common device control API functions
Introduces two simple functions:
    int kvm_device_ioctl(int fd, int type, ...);
    int kvm_create_device(KVMState *s, uint64_t type, bool test);

These functions wrap the basic ioctl-based interactions with KVM in a
way similar to other KVM ioctl wrappers.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Message-id: 1392687720-26806-4-git-send-email-christoffer.dall@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-26 17:20:00 +00:00