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7 years agoMerge remote-tracking branch 'remotes/mjt/tags/trivial-patches-fetch' into staging
Peter Maydell [Tue, 17 Oct 2017 12:13:03 +0000 (13:13 +0100)] 
Merge remote-tracking branch 'remotes/mjt/tags/trivial-patches-fetch' into staging

trivial patches for 2017-10-16

# gpg: Signature made Mon 16 Oct 2017 21:32:05 BST
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# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>"
# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>"
# gpg:                 aka "Michael Tokarev <mjt@debian.org>"
# Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D  4324 457C E0A0 8044 65C5
#      Subkey fingerprint: 7B73 BAD6 8BE7 A2C2 8931  4B22 701B 4F6B 1A69 3E59

* remotes/mjt/tags/trivial-patches-fetch:
  Add myself as maintainer for TPM code
  filter-mirror: segfault when specifying non existent device
  MAINTAINERS: Track default-configs/pci.mak
  MAINTAINERS: Fix Sun4v file
  MAINTAINERS: Clean up SCSI device section
  include/hw/or-irq.h: Drop unused in_irqs field
  io: Add missing GCC_FMT_ATTR (fix -Werror=suggest-attribute=format)
  os-posix: Drop misleading comment
  linux-user: Add some random ioctls
  futex: add missing header guards
  ui/gtk: Fix deprecation of vte_terminal_copy_clipboard
  gitignore: ignore check-qlit test
  linux-user: remove duplicate break in syscall
  qemu-doc.texi: remove trailing whitespace

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
7 years agoMerge remote-tracking branch 'remotes/berrange/tags/pull-qio-2017-10-16-1' into staging
Peter Maydell [Tue, 17 Oct 2017 10:29:51 +0000 (11:29 +0100)] 
Merge remote-tracking branch 'remotes/berrange/tags/pull-qio-2017-10-16-1' into staging

Merge QIO 2017/10/16 v1

# gpg: Signature made Mon 16 Oct 2017 17:10:54 BST
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# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>"
# gpg:                 aka "Daniel P. Berrange <berrange@redhat.com>"
# Primary key fingerprint: DAF3 A6FD B26B 6291 2D0E  8E3F BE86 EBB4 1510 4FDF

* remotes/berrange/tags/pull-qio-2017-10-16-1:
  io: fix mem leak in websock error path
  io: add trace points for websocket HTTP protocol headers
  io: cope with websock 'Connection' header having multiple values
  io: get rid of bounce buffering in websock write path
  io: pass a struct iovec into qio_channel_websock_encode
  io: get rid of qio_channel_websock_encode helper method
  io: simplify websocket ping reply handling
  io: monitor encoutput buffer size from websocket GSource
  sockets: Handle race condition between binds to the same port
  sockets: factor out create_fast_reuse_socket
  sockets: factor out a new try_bind() function

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
7 years agoMerge remote-tracking branch 'remotes/gkurz/tags/for-upstream' into staging
Peter Maydell [Tue, 17 Oct 2017 09:44:23 +0000 (10:44 +0100)] 
Merge remote-tracking branch 'remotes/gkurz/tags/for-upstream' into staging

This fixes a potential data leak to the guest.

# gpg: Signature made Mon 16 Oct 2017 16:08:25 BST
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# gpg:                 aka "Greg Kurz <gkurz@linux.vnet.ibm.com>"
# gpg:                 aka "Gregory Kurz (Groug) <groug@free.fr>"
# gpg:                 aka "[jpeg image of size 3330]"
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* remotes/gkurz/tags/for-upstream:
  9pfs: use g_malloc0 to allocate space for xattr

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
7 years agoMerge remote-tracking branch 'remotes/kraxel/tags/ui-20171016-pull-request' into...
Peter Maydell [Tue, 17 Oct 2017 09:03:33 +0000 (10:03 +0100)] 
Merge remote-tracking branch 'remotes/kraxel/tags/ui-20171016-pull-request' into staging

ui: use keycodemapdb for key code mappings, part one (v2)
ui: add qemu-keymap, update reverse keymaps (for qemu -k $map)
ui: fix for vte 0.50
ui: gtk texture fix

# gpg: Signature made Mon 16 Oct 2017 14:12:49 BST
# gpg:                using RSA key 0x4CB6D8EED3E87138
# 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>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/ui-20171016-pull-request:
  gtk: fix wrong id between texture and framebuffer
  ui/gtk: Fix deprecation of vte_terminal_copy_clipboard
  pc-bios/keymaps: keymaps update
  Add pc-bios/keymaps/Makefile
  tools: add qemu-keymap
  ui: don't export qemu_input_event_new_key
  ui: convert key events to QKeyCodes immediately
  ui: convert common input code to keycodemapdb
  ui: add keycodemapdb repository as a GIT submodule
  docker: don't rely on submodules existing in the main checkout
  build: automatically handle GIT submodule checkout for dtc

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
7 years agoAdd myself as maintainer for TPM code
Stefan Berger [Thu, 7 Sep 2017 20:16:24 +0000 (16:16 -0400)] 
Add myself as maintainer for TPM code

Also add backends/tpm.c to the list of files.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
7 years agofilter-mirror: segfault when specifying non existent device
Eduardo Otubo [Fri, 29 Sep 2017 12:03:39 +0000 (14:03 +0200)] 
filter-mirror: segfault when specifying non existent device

When using filter-mirror like the example below where the interface
'ndev0' does not exist on the host, QEMU crashes into segmentation
fault.

 $ qemu-system-x86_64 -S -machine pc -netdev user,id=ndev0 -object filter-mirror,id=test-object,netdev=ndev0

This happens because the function filter_mirror_setup() does not check
if the device actually exists and still keep on processing calling
qemu_chr_find(). This patch fixes this issue.

Signed-off-by: Eduardo Otubo <otubo@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
7 years agoMAINTAINERS: Track default-configs/pci.mak
Fam Zheng [Fri, 13 Oct 2017 08:53:55 +0000 (16:53 +0800)] 
MAINTAINERS: Track default-configs/pci.mak

Suggested-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
7 years agoMAINTAINERS: Fix Sun4v file
Fam Zheng [Fri, 13 Oct 2017 08:53:54 +0000 (16:53 +0800)] 
MAINTAINERS: Fix Sun4v file

Suggested-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Acked-By: Artyom Tarasenko <atar4qemu@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
7 years agoMAINTAINERS: Clean up SCSI device section
Fam Zheng [Fri, 13 Oct 2017 08:53:53 +0000 (16:53 +0800)] 
MAINTAINERS: Clean up SCSI device section

1. Remove nonexistent file util/scsi*.
2. Drop useless section for LSI53C895A.
3. Leave include/scsi to "Block SCSI subsystem" section.

Suggested-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
7 years agoinclude/hw/or-irq.h: Drop unused in_irqs field
Peter Maydell [Thu, 12 Oct 2017 13:17:47 +0000 (14:17 +0100)] 
include/hw/or-irq.h: Drop unused in_irqs field

The struct OrIRQState has an unused member field in_irqs.
This is a legacy of earlier versions of the patch; the
code that used it was dropped from the final version of
the code that went into master, but we forgot to delete
the no-longer-used struct field. Do so now.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
7 years agoio: Add missing GCC_FMT_ATTR (fix -Werror=suggest-attribute=format)
Stefan Weil [Sat, 7 Oct 2017 14:56:09 +0000 (16:56 +0200)] 
io: Add missing GCC_FMT_ATTR (fix -Werror=suggest-attribute=format)

This fixes a compiler warning:

/qemu/io/channel-websock.c:163:5: error:
 function might be possible candidate for ‘gnu_printf’ format attribute
 [-Werror=suggest-attribute=format]

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Acked-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
7 years agoos-posix: Drop misleading comment
Markus Armbruster [Mon, 2 Oct 2017 15:25:47 +0000 (17:25 +0200)] 
os-posix: Drop misleading comment

Comments explaining why we include a header tend to go bad.  This
one's almost comical: not only doesn't qemu-options.hx use
MAP_POPULATE anymore (since commit ef36fa1, v2.0.0, 2013), even the
include it applies to got moved away in commit 02d0e09 (v2.7.0).

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
7 years agolinux-user: Add some random ioctls
Marco A L Barbosa [Thu, 5 Oct 2017 13:55:30 +0000 (10:55 -0300)] 
linux-user: Add some random ioctls

Signed-off-by: Marco A L Barbosa <malbarbo@gmail.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
7 years agofutex: add missing header guards
Emilio G. Cota [Fri, 13 Oct 2017 21:30:20 +0000 (17:30 -0400)] 
futex: add missing header guards

The header file was introduced by fbcc3e5 ("qemu-thread: optimize QemuLockCnt
with futexes on Linux", 2017-01-16) without header guards. Add them.

Signed-off-by: Emilio G. Cota <cota@braap.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
7 years agoui/gtk: Fix deprecation of vte_terminal_copy_clipboard
Anthony PERARD [Tue, 10 Oct 2017 10:24:18 +0000 (11:24 +0100)] 
ui/gtk: Fix deprecation of vte_terminal_copy_clipboard

vte_terminal_copy_clipboard() is deprecated in VTE 0.50.

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
7 years agogitignore: ignore check-qlit test
Carlo Marcelo Arenas Belón [Tue, 26 Sep 2017 21:07:23 +0000 (14:07 -0700)] 
gitignore: ignore check-qlit test

test introduced in 382176b4d78e070d119af8e0dcd00884c11bbec2

Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
7 years agolinux-user: remove duplicate break in syscall
Carlo Marcelo Arenas Belón [Tue, 26 Sep 2017 04:14:20 +0000 (21:14 -0700)] 
linux-user: remove duplicate break in syscall

likely introduced in 3532fa7402cda16f7b95261b0339c58630051f0b

Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
7 years agoqemu-doc.texi: remove trailing whitespace
Michael Tokarev [Tue, 26 Sep 2017 06:03:31 +0000 (09:03 +0300)] 
qemu-doc.texi: remove trailing whitespace

Remove trailing whitespace in qemu-doc.texi, as it causes
reproducibility issues depending on the echo implementation
used by the Makefile.

Reported-By: Vagrant Cascadian <vagrant@debian.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
7 years agoMerge remote-tracking branch 'remotes/huth/tags/pull-request-2017-10-16' into staging
Peter Maydell [Mon, 16 Oct 2017 17:29:38 +0000 (18:29 +0100)] 
Merge remote-tracking branch 'remotes/huth/tags/pull-request-2017-10-16' into staging

Some m68k, qtest and config improvements

# gpg: Signature made Mon 16 Oct 2017 13:38:03 BST
# gpg:                using RSA key 0x2ED9D774FE702DB5
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>"
# gpg:                 aka "Thomas Huth <thuth@redhat.com>"
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>"
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>"
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* remotes/huth/tags/pull-request-2017-10-16:
  default-configs: Enable CONFIG_VMXNET3_PCI only on x86
  tests/prom-env: Bump the timeout, and test pseries only in slow mode
  tests: use g_new() family of functions
  M68K: use g_new() family of functions
  hw/m68k: Replace fprintf(stderr, "*\n" with error_report()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
7 years agoMerge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
Peter Maydell [Mon, 16 Oct 2017 16:29:16 +0000 (17:29 +0100)] 
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc, pci, virtio: fixes, features

A bunch of fixes all over the place.
A new vmcore device - the user interface around it is still somewhat
controversial, but I feel most of the code is fine, suggestions can be
addressed by adding patches on top.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Sun 15 Oct 2017 04:02:23 BST
# gpg:                using RSA key 0x281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* remotes/mst/tags/for_upstream: (26 commits)
  tests/pxe: Test more NICs when running in SPEED=slow mode
  pc: remove useless hot_add_cpu initialisation
  isapc: Remove unnecessary migration compatibility code
  virtio-pci: Replace modern_as with direct access to modern_bar
  virtio: fix descriptor counting in virtqueue_pop
  hw/gen_pcie_root_port: make IO RO 0 on IO disabled
  pci: Validate interfaces on base_class_init
  xen/pt: Mark TYPE_XEN_PT_DEVICE as hybrid
  pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices
  pci: Add INTERFACE_PCIE_DEVICE to all PCIe devices
  pci: Add interface names to hybrid PCI devices
  pci: conventional-pci-device and pci-express-device interfaces
  PCI: PCIe access should always be little endian
  virtio/pci/migration: Convert to VMState
  hw/pci-bridge/pcie_pci_bridge: properly handle MSI unavailability case
  pci: allow 32-bit PCI IO accesses to pass through the PCI bridge
  virtio/vhost: reset dev->log after syncing
  MAINTAINERS: add Dump maintainers
  scripts/dump-guest-memory.py: add vmcoreinfo
  kdump: set vmcoreinfo location
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
7 years agoio: fix mem leak in websock error path
Daniel P. Berrange [Wed, 11 Oct 2017 15:38:10 +0000 (16:38 +0100)] 
io: fix mem leak in websock error path

Coverity pointed out the 'date' is not free()d in the error
path

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
7 years agoio: add trace points for websocket HTTP protocol headers
Daniel P. Berrange [Tue, 10 Oct 2017 12:28:03 +0000 (13:28 +0100)] 
io: add trace points for websocket HTTP protocol headers

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
7 years agoio: cope with websock 'Connection' header having multiple values
Daniel P. Berrange [Mon, 9 Oct 2017 16:52:28 +0000 (17:52 +0100)] 
io: cope with websock 'Connection' header having multiple values

The noVNC server sends a header "Connection: keep-alive, Upgrade" which
fails our simple equality test. Split the header on ',', trim whitespace
and then check for 'upgrade' token.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
7 years agoio: get rid of bounce buffering in websock write path
Daniel P. Berrange [Mon, 9 Oct 2017 15:54:07 +0000 (16:54 +0100)] 
io: get rid of bounce buffering in websock write path

Currently most outbound I/O on the websock channel gets copied into the
rawoutput buffer, and then immediately copied again into the encoutput
buffer, with a header prepended. Now that qio_channel_websock_encode
accepts a struct iovec, we can trivially remove this bounce buffering
and write directly to encoutput.

In doing so, we also now correctly validate the encoutput size against
the QIO_CHANNEL_WEBSOCK_MAX_BUFFER limit.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
7 years agoio: pass a struct iovec into qio_channel_websock_encode
Daniel P. Berrange [Mon, 9 Oct 2017 15:33:20 +0000 (16:33 +0100)] 
io: pass a struct iovec into qio_channel_websock_encode

Instead of requiring use of another Buffer, pass a struct iovec
into qio_channel_websock_encode, which gives callers more
flexibility in how they process data.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
7 years agoio: get rid of qio_channel_websock_encode helper method
Daniel P. Berrange [Mon, 9 Oct 2017 13:39:17 +0000 (14:39 +0100)] 
io: get rid of qio_channel_websock_encode helper method

The qio_channel_websock_encode method is only used in one place,
everything else calls qio_channel_websock_encode_buffer directly.
It can also be pushed up a level into the qio_channel_websock_writev
method, since every other caller of qio_channel_websock_write_wire
has already filled encoutput.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
7 years agoio: simplify websocket ping reply handling
Daniel P. Berrange [Mon, 9 Oct 2017 14:34:06 +0000 (15:34 +0100)] 
io: simplify websocket ping reply handling

We must ensure we don't get flooded with ping replies if the outbound
channel is slow. Currently we do this by keeping the ping reply in a
separate temporary buffer and only writing it if the encoutput buffer
is completely empty. This is overly pessimistic, as it is reasonable
to add a ping reply to the encoutput buffer even if it has previous
data in it, as long as that previous data doesn't include a ping
reply.

To track this better, put the ping reply directly into the encoutput
buffer, and then record the size of encoutput at this time in
pong_remain. As we write encoutput to the underlying channel, we
can decrement the pong_remain counter. Once it hits zero, we can
accept further ping replies for transmission.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
7 years agoio: monitor encoutput buffer size from websocket GSource
Daniel P. Berrange [Mon, 9 Oct 2017 13:43:42 +0000 (14:43 +0100)] 
io: monitor encoutput buffer size from websocket GSource

The websocket GSource is monitoring the size of the rawoutput
buffer to determine if the channel can accepts more writes.
The rawoutput buffer, however, is merely a temporary staging
buffer before data is copied into the encoutput buffer. Thus
its size will always be zero when the GSource runs.

This flaw causes the encoutput buffer to grow without bound
if the other end of the underlying data channel doesn't
read data being sent. This can be seen with VNC if a client
is on a slow WAN link and the guest OS is sending many screen
updates. A malicious VNC client can act like it is on a slow
link by playing a video in the guest and then reading data
very slowly, causing QEMU host memory to expand arbitrarily.

This issue is assigned CVE-2017-15268, publically reported in

  https://bugs.launchpad.net/qemu/+bug/1718964

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
7 years agosockets: Handle race condition between binds to the same port
Knut Omang [Mon, 7 Aug 2017 10:58:42 +0000 (12:58 +0200)] 
sockets: Handle race condition between binds to the same port

If an offset of ports is specified to the inet_listen_saddr function(),
and two or more processes tries to bind from these ports at the same time,
occasionally more than one process may be able to bind to the same
port. The condition is detected by listen() but too late to avoid a failure.

This function is called by socket_listen() and used
by all socket listening code in QEMU, so all cases where any form of dynamic
port selection is used should be subject to this issue.

Add code to close and re-establish the socket when this
condition is observed, hiding the race condition from the user.

Also clean up some issues with error handling to allow more
accurate reporting of the cause of an error.

This has been developed and tested by means of the
test-listen unit test in the previous commit.
Enable the test for make check now that it passes.

Reviewed-by: Bhavesh Davda <bhavesh.davda@oracle.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Girish Moodalbail <girish.moodalbail@oracle.com>
Signed-off-by: Knut Omang <knut.omang@oracle.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
7 years agosockets: factor out create_fast_reuse_socket
Knut Omang [Mon, 7 Aug 2017 10:58:41 +0000 (12:58 +0200)] 
sockets: factor out create_fast_reuse_socket

Another refactoring step to prepare for fixing the problem
exposed with the test-listen test in the previous commit

Signed-off-by: Knut Omang <knut.omang@oracle.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
7 years agosockets: factor out a new try_bind() function
Knut Omang [Mon, 7 Aug 2017 10:58:40 +0000 (12:58 +0200)] 
sockets: factor out a new try_bind() function

A refactoring step to prepare for the problem
exposed by the test-listen test in the previous commit.

Simplify and reorganize the IPv6 specific extra
measures and move it out of the for loop to increase
code readability. No semantic changes.

Signed-off-by: Knut Omang <knut.omang@oracle.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
7 years agoMerge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2017-10-14' into staging
Peter Maydell [Mon, 16 Oct 2017 14:54:42 +0000 (15:54 +0100)] 
Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2017-10-14' into staging

nbd patches for 2017-10-14

- Marc-André Lureau - NBD: use g_new() family of functions
- Vladimir Sementsov-Ogievskiy - first half of 00/13 nbd minimal structured read

# gpg: Signature made Sun 15 Oct 2017 01:38:47 BST
# gpg:                using RSA key 0xA7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>"
# gpg:                 aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>"
# gpg:                 aka "[jpeg image of size 6874]"
# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2  F3AA A7A1 6B4A 2527 436A

* remotes/ericb/tags/pull-nbd-2017-10-14:
  nbd: header constants indenting
  nbd/server: simplify reply transmission
  nbd/server: refactor nbd_co_send_simple_reply parameters
  nbd/server: do not use NBDReply structure
  nbd/server: structurize simple reply header sending
  nbd: rename some simple-request related objects to be _simple_
  block/nbd-client: refactor nbd_co_receive_reply
  block/nbd-client: assert qiov len once in nbd_co_request
  NBD: use g_new() family of functions

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
7 years agoMerge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging
Peter Maydell [Mon, 16 Oct 2017 13:28:13 +0000 (14:28 +0100)] 
Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

# gpg: Signature made Fri 13 Oct 2017 14:49:22 BST
# gpg:                using RSA key 0x9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/block-pull-request:
  block/throttle.c: add bdrv_co_drain_begin/end callbacks
  block: rename bdrv_co_drain to bdrv_co_drain_begin
  block: add bdrv_co_drain_end callback

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
7 years agogtk: fix wrong id between texture and framebuffer
Anthoine Bourgeois [Mon, 2 Oct 2017 12:40:52 +0000 (14:40 +0200)] 
gtk: fix wrong id between texture and framebuffer

The gd_gl_area_scanout_texture must destroy framebuffer if there is
no texture id instead of no framebuffer id.
The effect was a black screen with "-vga virtio -display gtk,gl=on"
options.
The bug was introduce by a4f113fd "gtk: use framebuffer helper functions."

Signed-off-by: Anthoine Bourgeois <anthoine.bourgeois@blade-group.com>
Message-id: 20171002124052.13829-1-anthoine.bourgeois@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
7 years agoui/gtk: Fix deprecation of vte_terminal_copy_clipboard
Anthony PERARD [Tue, 10 Oct 2017 10:24:18 +0000 (11:24 +0100)] 
ui/gtk: Fix deprecation of vte_terminal_copy_clipboard

vte_terminal_copy_clipboard() is deprecated in VTE 0.50.

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
7 years agopc-bios/keymaps: keymaps update
Gerd Hoffmann [Thu, 5 Oct 2017 15:33:30 +0000 (17:33 +0200)] 
pc-bios/keymaps: keymaps update

Update the keymaps with the ones generated by qemu-keymap

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20171005153330.19210-4-kraxel@redhat.com

7 years agoAdd pc-bios/keymaps/Makefile
Gerd Hoffmann [Thu, 5 Oct 2017 15:33:29 +0000 (17:33 +0200)] 
Add pc-bios/keymaps/Makefile

Update files where I think I've figured the correct xkb maps.
TODO: nl-be sl sv

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20171005153330.19210-3-kraxel@redhat.com

7 years agotools: add qemu-keymap
Gerd Hoffmann [Thu, 5 Oct 2017 15:33:28 +0000 (17:33 +0200)] 
tools: add qemu-keymap

qemu-keymap generates qemu reverse keymaps from xkb keymaps,
which can be used with the qemu "-k" command line switch.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20171005153330.19210-2-kraxel@redhat.com

7 years agoui: don't export qemu_input_event_new_key
Daniel P. Berrange [Fri, 29 Sep 2017 10:12:01 +0000 (11:12 +0100)] 
ui: don't export qemu_input_event_new_key

All public code should use qemu_input_event_send_key* functions
instead of creating an event directly.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170929101201.21039-7-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
7 years agoui: convert key events to QKeyCodes immediately
Daniel P. Berrange [Fri, 29 Sep 2017 10:12:00 +0000 (11:12 +0100)] 
ui: convert key events to QKeyCodes immediately

Always use QKeyCode in the InputKeyEvent struct, by converting key
numbers to QKeyCode at the time the event is created. This allows
the code processing / consuming key events to assume QKeyCode is
used. The only place we accept a key number in the InputKeyEvent
struct is with QMP commands sent by the user.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170929101201.21039-6-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
7 years agoui: convert common input code to keycodemapdb
Daniel P. Berrange [Fri, 29 Sep 2017 10:11:59 +0000 (11:11 +0100)] 
ui: convert common input code to keycodemapdb

Replace the number_to_qcode, qcode_to_number and linux_to_qcode
tables with automatically generated tables.

Missing entries in linux_to_qcode now fixed:

  KEY_LINEFEED -> Q_KEY_CODE_LF
  KEY_KPEQUAL -> Q_KEY_CODE_KP_EQUALS
  KEY_COMPOSE -> Q_KEY_CODE_COMPOSE
  KEY_AGAIN -> Q_KEY_CODE_AGAIN
  KEY_PROPS -> Q_KEY_CODE_PROPS
  KEY_UNDO -> Q_KEY_CODE_UNDO
  KEY_FRONT -> Q_KEY_CODE_FRONT
  KEY_COPY -> Q_KEY_CODE_COPY
  KEY_OPEN -> Q_KEY_CODE_OPEN
  KEY_PASTE -> Q_KEY_CODE_PASTE
  KEY_CUT -> Q_KEY_CODE_CUT
  KEY_HELP -> Q_KEY_CODE_HELP
  KEY_MEDIA -> Q_KEY_CODE_MEDIASELECT

In addition, some fixes:

 - KEY_PLAYPAUSE now maps to Q_KEY_CODE_AUDIOPLAY, instead of
   KEY_PLAYCD. KEY_PLAYPAUSE is defined across almost all scancodes
   sets, while KEY_PLAYCD only appears in AT set1, so the former is
   a more useful mapping.

Missing entries in qcode_to_number now fixed:

  Q_KEY_CODE_AGAIN -> 0x85
  Q_KEY_CODE_PROPS -> 0x86
  Q_KEY_CODE_UNDO -> 0x87
  Q_KEY_CODE_FRONT -> 0x8c
  Q_KEY_CODE_COPY -> 0xf8
  Q_KEY_CODE_OPEN -> 0x64
  Q_KEY_CODE_PASTE -> 0x65
  Q_KEY_CODE_CUT -> 0xbc
  Q_KEY_CODE_LF -> 0x5b
  Q_KEY_CODE_HELP -> 0xf5
  Q_KEY_CODE_COMPOSE -> 0xdd
  Q_KEY_CODE_KP_EQUALS -> 0x59
  Q_KEY_CODE_MEDIASELECT -> 0xed

In addition, some fixes:

 - Q_KEY_CODE_MENU was incorrectly mapped to the compose
   scancode (0xdd) and is now mapped to 0x9e
 - Q_KEY_CODE_FIND was mapped to 0xe065 (Search) instead
   of to 0xe041 (Find)
 - Q_KEY_CODE_HIRAGANA was mapped to 0x70 (Katakanahiragana)
   instead of of 0x77 (Hirigana)
 - Q_KEY_CODE_PRINT was mapped to 0xb7 which is not a defined
   scan code in AT set 1, it is now mapped to 0x54 (sysrq)

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170929101201.21039-5-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
7 years agoui: add keycodemapdb repository as a GIT submodule
Daniel P. Berrange [Fri, 29 Sep 2017 10:11:58 +0000 (11:11 +0100)] 
ui: add keycodemapdb repository as a GIT submodule

The https://gitlab.com/keycodemap/keycodemapdb/ repo contains a
data file mapping between all the different scancode/keycode/keysym
sets that are known, and a tool to auto-generate lookup tables for
different combinations.

It is used by GTK-VNC, SPICE-GTK and libvirt for mapping keys.
Using it in QEMU will let us replace many hand written lookup
tables with auto-generated tables from a master data source,
reducing bugs. Adding new QKeyCodes will now only require the
master table to be updated, all ~20 other tables will be
automatically updated to follow.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170929101201.21039-4-berrange@redhat.com

[ kraxel: fix build ]
[ kraxel: switch repo to qemu.git mirror ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
7 years agodocker: don't rely on submodules existing in the main checkout
Daniel P. Berrange [Fri, 29 Sep 2017 10:11:57 +0000 (11:11 +0100)] 
docker: don't rely on submodules existing in the main checkout

When building the tarball to pass into the docker/vm test image,
the code relies on the git submodules being checked out in the
main checkout.

ie if the developer has not run 'git submodule update --init dtc'
many of the docker tests will fail due to the libfdt package not
being present in the test images. Patchew manually checks out the
dtc submodule in the main git checkout, but this is a bad idea.

When running tests we want to have a predictable set of submodules
included in the source that's tested. The build environment is
completely independent of the developers host OS, so the submodules
the developer has checked out should not be considered relevant for
the tests.

This changes the archive-source.sh script so that it clones the
current git checkout into a temporary directory, checks out a
fixed set of submodules, builds the tarball and finally removes
the temporary git clone.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170929101201.21039-3-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
7 years agobuild: automatically handle GIT submodule checkout for dtc
Daniel P. Berrange [Fri, 29 Sep 2017 10:11:56 +0000 (11:11 +0100)] 
build: automatically handle GIT submodule checkout for dtc

Currently if DTC is required by configure and not available in the host
OS install, we exit with an error message telling the user to checkout a
git submodule or install the library.

This introduces automatic handling of the git submodule checkout process
and enables it for dtc. This only runs if building from GIT, so users of
release tarballs still need the system library install. The current state
of the git checkout is stashed in .git-submodule-status, and a helper
program is used to determine if this state matches the desired submodule
state. A dependency against 'Makefile' ensures that the submodule state
is refreshed at the start of the build process

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170929101201.21039-2-berrange@redhat.com

[ kraxel: use /bin/sh not bash for scripts/git-submodule.sh ]
[ kraxel: fix Makefile dependencies ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
[fixup] Makefile dep

7 years ago9pfs: use g_malloc0 to allocate space for xattr
Prasad J Pandit [Mon, 16 Oct 2017 12:21:59 +0000 (14:21 +0200)] 
9pfs: use g_malloc0 to allocate space for xattr

9p back-end first queries the size of an extended attribute,
allocates space for it via g_malloc() and then retrieves its
value into allocated buffer. Race between querying attribute
size and retrieving its could lead to memory bytes disclosure.
Use g_malloc0() to avoid it.

Reported-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Signed-off-by: Greg Kurz <groug@kaod.org>
7 years agoMerge remote-tracking branch 'remotes/stefanberger/tags/pull-tpm-2017-10-04-3' into...
Peter Maydell [Mon, 16 Oct 2017 12:04:43 +0000 (13:04 +0100)] 
Merge remote-tracking branch 'remotes/stefanberger/tags/pull-tpm-2017-10-04-3' into staging

Merge tpm 2017/10/04 v3

# gpg: Signature made Fri 13 Oct 2017 12:37:07 BST
# gpg:                using RSA key 0x75AD65802A0B4211
# gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.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: B818 B9CA DF90 89C2 D5CE  C66B 75AD 6580 2A0B 4211

* remotes/stefanberger/tags/pull-tpm-2017-10-04-3:
  specs: Describe the TPM support in QEMU
  tpm: Move tpm_cleanup() to right place
  tpm: Added support for TPM emulator
  tpm-passthrough: move reusable code to utils
  tpm-backend: Move realloc_buffer() implementation to tpm-tis model
  tpm-backend: Add new API to read backend TpmInfo
  tpm-backend: Made few interface methods optional
  tpm-backend: Initialize and free data members in it's own methods
  tpm-backend: Move thread handling inside TPMBackend
  tpm-backend: Remove unneeded member variable from backend class
  tpm: Use EMSGSIZE instead of EBADMSG to compile on OpenBSD

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
7 years agodefault-configs: Enable CONFIG_VMXNET3_PCI only on x86
Thomas Huth [Thu, 28 Sep 2017 09:52:41 +0000 (11:52 +0200)] 
default-configs: Enable CONFIG_VMXNET3_PCI only on x86

The device can not be instantiated on many non-x86 and just prints
some error messages, e.g.:

$ qemu-system-ppc64 -device vmxnet3 -M g3beige
[vmxnet3][WR][vmxnet3_init_msix]: Failed to initialize MSI-X, error -95
[vmxnet3][WR][vmxnet3_pci_realize]: Failed to initialize MSI-X, configuration is inconsistent.

Since vmxnet3 is a para-virtualized device that is only useful on x86,
it should also only be enabled on the x86 targets.

Reviewed-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
7 years agotests/prom-env: Bump the timeout, and test pseries only in slow mode
Thomas Huth [Thu, 21 Sep 2017 05:39:15 +0000 (07:39 +0200)] 
tests/prom-env: Bump the timeout, and test pseries only in slow mode

If QEMU has been compiled with the flags --enable-tcg-interpreter and
--enable-debug, the guest is running incredibly slow. The prom-env
test is approximately 10 times slower than normal in this case, and
it takes up to 500 seconds until the test with the pseries machine
finishs. While we should still look for ways to speed up the test
on the pseries machine here, let's bump the timeout to 600 seconds to
allow the test to pass with this unusal configuration already now.
Also move the pseries test into the "slow" category - since it is
really a very slow test.

Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Thomas Huth <thuth@redhat.com>
7 years agotests: use g_new() family of functions
Marc-André Lureau [Fri, 6 Oct 2017 23:49:56 +0000 (20:49 -0300)] 
tests: use g_new() family of functions

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[PMD: split of some files in other commits of the same series, add libqtest.c]
Acked-by: John Snow <jsnow@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
7 years agoM68K: use g_new() family of functions
Marc-André Lureau [Fri, 6 Oct 2017 23:49:18 +0000 (20:49 -0300)] 
M68K: use g_new() family of functions

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[PMD: squashed commits]
Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
7 years agohw/m68k: Replace fprintf(stderr, "*\n" with error_report()
Alistair Francis [Sat, 30 Sep 2017 00:16:06 +0000 (17:16 -0700)] 
hw/m68k: Replace fprintf(stderr, "*\n" with error_report()

Replace a large number of the fprintf(stderr, "*\n" calls with
error_report(). The functions were renamed with these commands and then
compiler issues where manually fixed.

find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +

Some lines where then manually tweaked to pass checkpatch.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Thomas Huth <huth@tuxfamily.org>
[thuth: Remove "qemu:" prefix from strings]
Signed-off-by: Thomas Huth <thuth@redhat.com>
7 years agoMerge remote-tracking branch 'remotes/elmarco/tags/vu-pull-request' into staging
Peter Maydell [Mon, 16 Oct 2017 09:22:39 +0000 (10:22 +0100)] 
Merge remote-tracking branch 'remotes/elmarco/tags/vu-pull-request' into staging

# gpg: Signature made Thu 12 Oct 2017 21:52:28 BST
# gpg:                using RSA key 0xDAE8E10975969CE5
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>"
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* remotes/elmarco/tags/vu-pull-request:
  libvhost-user: Support VHOST_USER_SET_SLAVE_REQ_FD
  libvhost-user: Update and fix feature and request lists
  vhost-user-bridge: Only process received packets on started queues
  libvhost-user: vu_queue_started

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
7 years agotests/pxe: Test more NICs when running in SPEED=slow mode
Thomas Huth [Wed, 20 Sep 2017 09:02:07 +0000 (11:02 +0200)] 
tests/pxe: Test more NICs when running in SPEED=slow mode

The pxe-test is a very good test to excercise NICs, thus we should use
it to test all NICs that can be used by the BIOS for booting via network.
However, to avoid that the default testing time increases too much, the
additional NICs are only tested in the "make check SPEED=slow" mode.

The virtio-net NIC on ppc64 is now also only tested in slow mode, since
the test on ppc64 is really quite slow and we've got test coverage for
virtio-net in big endian mode now on s390x, too.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agopc: remove useless hot_add_cpu initialisation
Laurent Vivier [Tue, 10 Oct 2017 13:32:41 +0000 (15:32 +0200)] 
pc: remove useless hot_add_cpu initialisation

Since 4458fb3a79 (pc: Eliminate pc_default_machine_options()),
hot_add_cpu is set in pc_machine_class_init(), so we don't
need to set it in pc_q35_machine_options(), pc_i440fx_machine_options()
and xenfv_machine_options(), except to clear it in
pc_i440fx_1_4_machine_opt().

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agoisapc: Remove unnecessary migration compatibility code
Eduardo Habkost [Fri, 6 Oct 2017 13:25:02 +0000 (10:25 -0300)] 
isapc: Remove unnecessary migration compatibility code

We don't touch isapc when we change guest ABI and add new entries
to PC_COMPAT_* or new PCMachineClass compat flags.  This means
isapc never guaranteed guest ABI and cross-QEMU-version live
migration compatibility.  There's no point in keeping code for
kvm-pv-eoi and APIC ID compatibility in pc_init_isa().

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agovirtio-pci: Replace modern_as with direct access to modern_bar
Alexey Kardashevskiy [Mon, 9 Oct 2017 03:19:41 +0000 (14:19 +1100)] 
virtio-pci: Replace modern_as with direct access to modern_bar

The modern bar is accessed now via yet another address space created just
for that purpose and it does not really need FlatView and dispatch tree
as it has a single memory region so it is just a waste of memory. Things
get even worse when there are dozens or hundreds of virtio-pci devices -
since these address spaces are global, changing any of them triggers
rebuilding all address spaces.

This replaces indirect accesses to the modern BAR with a simple lookup
and direct calls to memory_region_dispatch_read/write.

This is expected to save lots of memory at boot time after applying:
[Qemu-devel] [PULL 00/32] Misc changes for 2017-09-22

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agovirtio: fix descriptor counting in virtqueue_pop
Wolfgang Bumiller [Wed, 20 Sep 2017 06:09:33 +0000 (08:09 +0200)] 
virtio: fix descriptor counting in virtqueue_pop

While changing the s/g list allocation, commit 3b3b0628
also changed the descriptor counting to count iovec entries
as split by cpu_physical_memory_map(). Previously only the
actual descriptor entries were counted and the split into
the iovec happened afterwards in virtqueue_map().
Count the entries again instead to avoid erroneous
"Looped descriptor" errors.

Reported-by: Hans Middelhoek <h.middelhoek@ospito.nl>
Link: https://forum.proxmox.com/threads/vm-crash-with-memory-hotplug.35904/
Fixes: 3b3b0628217e ("virtio: slim down allocation of VirtQueueElements")
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agohw/gen_pcie_root_port: make IO RO 0 on IO disabled
Marcel Apfelbaum [Mon, 2 Oct 2017 10:31:35 +0000 (13:31 +0300)] 
hw/gen_pcie_root_port: make IO RO 0 on IO disabled

IO_LIMIT and IO_BASE registers should not be writable if
gen_pcie_root_port's io-reserve property is set to 0.
The COMMAND register should have the IO flag read only.

Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agopci: Validate interfaces on base_class_init
Eduardo Habkost [Wed, 27 Sep 2017 19:56:35 +0000 (16:56 -0300)] 
pci: Validate interfaces on base_class_init

Make sure we don't forget to add the Conventional PCI or PCI
Express interface names on PCI device classes in the future.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Revieed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agoxen/pt: Mark TYPE_XEN_PT_DEVICE as hybrid
Eduardo Habkost [Thu, 5 Oct 2017 12:45:07 +0000 (09:45 -0300)] 
xen/pt: Mark TYPE_XEN_PT_DEVICE as hybrid

xen-pt doesn't set the is_express field, but is supposed to be
able to handle PCI Express devices too.  Mark it as hybrid.

Suggested-by: Jan Beulich <JBeulich@suse.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agopci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices
Eduardo Habkost [Wed, 27 Sep 2017 19:56:34 +0000 (16:56 -0300)] 
pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices

Add INTERFACE_CONVENTIONAL_PCI_DEVICE to all direct subtypes of
TYPE_PCI_DEVICE, except:

1) The ones that already have INTERFACE_PCIE_DEVICE set:

* base-xhci
* e1000e
* nvme
* pvscsi
* vfio-pci
* virtio-pci
* vmxnet3

2) base-pci-bridge

Not all PCI bridges are Conventional PCI devices, so
INTERFACE_CONVENTIONAL_PCI_DEVICE is added only to the subtypes
that are actually Conventional PCI:

* dec-21154-p2p-bridge
* i82801b11-bridge
* pbm-bridge
* pci-bridge

The direct subtypes of base-pci-bridge not touched by this patch
are:

* xilinx-pcie-root: Already marked as PCIe-only.
* pcie-pci-bridge: Already marked as PCIe-only.
* pcie-port: all non-abstract subtypes of pcie-port are already
  marked as PCIe-only devices.

3) megasas-base

Not all megasas devices are Conventional PCI devices, so the
interface names are added to the subclasses registered by
megasas_register_types(), according to information in the
megasas_devices[] array.

"megasas-gen2" already implements INTERFACE_PCIE_DEVICE, so add
INTERFACE_CONVENTIONAL_PCI_DEVICE only to "megasas".

Acked-by: Alberto Garcia <berto@igalia.com>
Acked-by: John Snow <jsnow@redhat.com>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agopci: Add INTERFACE_PCIE_DEVICE to all PCIe devices
Eduardo Habkost [Wed, 27 Sep 2017 19:56:33 +0000 (16:56 -0300)] 
pci: Add INTERFACE_PCIE_DEVICE to all PCIe devices

Change all devices that set is_express=1 to implement
INTERFACE_PCIE_DEVICE.

Cc: Keith Busch <keith.busch@intel.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Max Reitz <mreitz@redhat.com>
Cc: Dmitry Fleytman <dmitry@daynix.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Marcel Apfelbaum <marcel@redhat.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: qemu-block@nongnu.org
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agopci: Add interface names to hybrid PCI devices
Eduardo Habkost [Wed, 27 Sep 2017 19:56:32 +0000 (16:56 -0300)] 
pci: Add interface names to hybrid PCI devices

The following devices support both PCI Express and Conventional
PCI, by including special code to handle the QEMU_PCI_CAP_EXPRESS
flag and/or conditional pcie_endpoint_cap_init() calls:

* vfio-pci (is_express=1, but legacy PCI handled by
  vfio_populate_device())
* vmxnet3 (is_express=0, but PCIe handled by vmxnet3_realize())
* pvscsi (is_express=0, but PCIe handled by pvscsi_realize())
* virtio-pci (is_express=0, but PCIe handled by
  virtio_pci_dc_realize(), and additional legacy PCI code at
  virtio_pci_realize())
* base-xhci (is_express=1, but pcie_endpoint_cap_init() call
  is conditional on pci_bus_is_express(dev->bus)
  * Note that xhci does not clear QEMU_PCI_CAP_EXPRESS like the
    other hybrid devices

Cc: Dmitry Fleytman <dmitry@daynix.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agopci: conventional-pci-device and pci-express-device interfaces
Eduardo Habkost [Wed, 27 Sep 2017 19:56:31 +0000 (16:56 -0300)] 
pci: conventional-pci-device and pci-express-device interfaces

Those two interfaces will be used to indicate which device types
support Conventional PCI or PCI Express buses.  Management
software will be able to use the qom-list-types QMP command to
query that information.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agoPCI: PCIe access should always be little endian
Matt Redfearn [Tue, 15 Aug 2017 14:44:17 +0000 (15:44 +0100)] 
PCI: PCIe access should always be little endian

PCIe busses are always little endian, so set the endianness of the
memory region to little endian rather than native such that operations
work as expected on big endian targets.

Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agovirtio/pci/migration: Convert to VMState
Dr. David Alan Gilbert [Mon, 25 Sep 2017 16:05:17 +0000 (17:05 +0100)] 
virtio/pci/migration: Convert to VMState

Convert the 'modern_state' part of virtio-pci to modern migration
macros.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agohw/pci-bridge/pcie_pci_bridge: properly handle MSI unavailability case
Aleksandr Bezzubikov [Sun, 24 Sep 2017 23:21:58 +0000 (02:21 +0300)] 
hw/pci-bridge/pcie_pci_bridge: properly handle MSI unavailability case

QEMU with the pcie-pci-bridge device crashes if the guest board doesn't support MSI,
e.g. 'qemu-system-ppc64 -M prep -device pcie-pci-bridge'.
This is caused by wrong pcie-pci-bridge instantiation error handling. This patch fixes this issue
by falling back to legacy INTx if MSI is not available.
Also set the bridge's 'msi' property default value to 'auto' in order to trigger errors
only when user explicitly set msi=on.

Reported-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Aleksandr Bezzubikov <zuban32s@gmail.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agopci: allow 32-bit PCI IO accesses to pass through the PCI bridge
Mark Cave-Ayland [Fri, 22 Sep 2017 12:18:31 +0000 (13:18 +0100)] 
pci: allow 32-bit PCI IO accesses to pass through the PCI bridge

Whilst the underlying PCI bridge implementation supports 32-bit PCI IO
accesses, unfortunately they are truncated at the legacy 64K limit.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agovirtio/vhost: reset dev->log after syncing
Felipe Franciosi [Wed, 20 Sep 2017 18:53:06 +0000 (11:53 -0700)] 
virtio/vhost: reset dev->log after syncing

vhost_log_put() is called to decomission the dirty log between qemu and
a vhost device when stopping the device. Such a call can happen from
migration_completion().

Present code sets dev->log_size to zero too early in vhost_log_put(),
causing the sync check to always return false. As a consequence, the
last pass on the dirty bitmap never happens at the end of migration.

If a vhost device was busy (writing to guest memory) until the last
moments before vhost_virtqueue_stop(), this error will result in guest
memory corruption (at least) following migrations.

Signed-off-by: Felipe Franciosi <felipe@nutanix.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agoMAINTAINERS: add Dump maintainers
Marc-André Lureau [Mon, 11 Sep 2017 16:59:29 +0000 (18:59 +0200)] 
MAINTAINERS: add Dump maintainers

Proposing myself, since I have some familiarity with the code now.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agoscripts/dump-guest-memory.py: add vmcoreinfo
Marc-André Lureau [Mon, 11 Sep 2017 16:59:28 +0000 (18:59 +0200)] 
scripts/dump-guest-memory.py: add vmcoreinfo

Add a vmcoreinfo ELF note in the dump if vmcoreinfo device has the
memory location details.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agokdump: set vmcoreinfo location
Marc-André Lureau [Mon, 11 Sep 2017 16:59:27 +0000 (18:59 +0200)] 
kdump: set vmcoreinfo location

kdump header provides offset and size of the vmcoreinfo content,
append it if available (skip the ELF note header).

crash-7.1.9 was the first version that started looking in the
vmcoreinfo data for phys_base instead of in the kdump_sub_header.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agodump: update phys_base header field based on VMCOREINFO content
Marc-André Lureau [Mon, 11 Sep 2017 16:59:26 +0000 (18:59 +0200)] 
dump: update phys_base header field based on VMCOREINFO content

If the guest note is VMCOREINFO, try to get phys_base from it.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agodump: add guest ELF note
Marc-André Lureau [Mon, 11 Sep 2017 16:59:25 +0000 (18:59 +0200)] 
dump: add guest ELF note

Read the guest ELF PT_NOTE from guest memory when fw_cfg
etc/vmcoreinfo entry provides the location, and write it as an
additional note in the dump.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agohw/misc: add vmcoreinfo device
Marc-André Lureau [Mon, 11 Sep 2017 16:59:24 +0000 (18:59 +0200)] 
hw/misc: add vmcoreinfo device

See docs/specs/vmcoreinfo.txt for details.

"etc/vmcoreinfo" fw_cfg entry is added when using "-device vmcoreinfo".

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agofw_cfg: add write callback
Marc-André Lureau [Mon, 11 Sep 2017 16:59:23 +0000 (18:59 +0200)] 
fw_cfg: add write callback

Reintroduce the write callback that was removed when write support was
removed in commit 023e3148567ac898c7258138f8e86c3c2bb40d07.

Contrary to the previous callback implementation, the write_cb
callback is called whenever a write happened, so handlers must be
ready to handle partial write as necessary.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agopci: Set err to errp directly rather than through error_propagate()
Mao Zhongyi [Sat, 9 Sep 2017 06:22:26 +0000 (14:22 +0800)] 
pci: Set err to errp directly rather than through error_propagate()

ioh3420_interrupts_init() pass error message to local_err, then
propagate it to errp by error_propagate(), which is not necessary.
So eliminate it and pass errp directly instead of local_err.

Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Marcel Apfelbaum <marcel@redhat.com>
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agoxio3130_downstream: Report error if pcie_chassis_add_slot() failed
Eduardo Habkost [Fri, 25 Aug 2017 19:54:06 +0000 (16:54 -0300)] 
xio3130_downstream: Report error if pcie_chassis_add_slot() failed

On commit f8cd1b02 ("pci: Convert to realize"), no error_set*()
call was added for the pcie_chassis_add_slot() error case.
pcie_chassis_add_slot() errors get ignored, making QEMU crash
later.  e.g.:

  $ qemu-system-x86_64 -device ioh3420 -device xio3130-downstream
  qemu-system-x86_64: memory.c:2166: memory_region_del_subregion: Assertion `subregion->container == mr' failed.
  Aborted (core dumped)

Fix it by reporting the error using error_setg().

Fixes: f8cd1b0201c41d88bb97dcafb80348a0e88d8805
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
7 years agonbd: header constants indenting
Vladimir Sementsov-Ogievskiy [Thu, 12 Oct 2017 09:53:14 +0000 (12:53 +0300)] 
nbd: header constants indenting

Prepare indenting for the following commit.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20171012095319.136610-9-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
7 years agonbd/server: simplify reply transmission
Vladimir Sementsov-Ogievskiy [Thu, 12 Oct 2017 22:29:00 +0000 (17:29 -0500)] 
nbd/server: simplify reply transmission

Send qiov via qio_channel_writev_all instead of calling nbd_write twice
with a cork.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20171012095319.136610-8-vsementsov@virtuozzo.com>
[eblake: rebase to tweaks earlier in series]
Signed-off-by: Eric Blake <eblake@redhat.com>
7 years agonbd/server: refactor nbd_co_send_simple_reply parameters
Vladimir Sementsov-Ogievskiy [Thu, 12 Oct 2017 09:53:12 +0000 (12:53 +0300)] 
nbd/server: refactor nbd_co_send_simple_reply parameters

Pass client and buffer (*data) parameters directly, to make the function
consistent with further structured reply sending functions.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20171012095319.136610-7-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
7 years agonbd/server: do not use NBDReply structure
Vladimir Sementsov-Ogievskiy [Thu, 12 Oct 2017 22:05:06 +0000 (17:05 -0500)] 
nbd/server: do not use NBDReply structure

NBDReply structure will be upgraded in future patches to handle both
simple and structured replies and will be used only in the client

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20171012095319.136610-6-vsementsov@virtuozzo.com>
[eblake: rebase to tweaks earlier in series]
Signed-off-by: Eric Blake <eblake@redhat.com>
7 years agoblock/throttle.c: add bdrv_co_drain_begin/end callbacks
Manos Pitsidianakis [Sat, 23 Sep 2017 11:14:11 +0000 (14:14 +0300)] 
block/throttle.c: add bdrv_co_drain_begin/end callbacks

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Manos Pitsidianakis <el13635@mail.ntua.gr>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
7 years agoblock: rename bdrv_co_drain to bdrv_co_drain_begin
Manos Pitsidianakis [Sat, 23 Sep 2017 11:14:10 +0000 (14:14 +0300)] 
block: rename bdrv_co_drain to bdrv_co_drain_begin

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Manos Pitsidianakis <el13635@mail.ntua.gr>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
7 years agoblock: add bdrv_co_drain_end callback
Manos Pitsidianakis [Sat, 23 Sep 2017 11:14:09 +0000 (14:14 +0300)] 
block: add bdrv_co_drain_end callback

BlockDriverState has a bdrv_co_drain() callback but no equivalent for
the end of the drain. The throttle driver (block/throttle.c) needs a way
to mark the end of the drain in order to toggle io_limits_disabled
correctly, thus bdrv_co_drain_end is needed.

Signed-off-by: Manos Pitsidianakis <el13635@mail.ntua.gr>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
7 years agospecs: Describe the TPM support in QEMU
Stefan Berger [Wed, 4 Oct 2017 17:12:09 +0000 (13:12 -0400)] 
specs: Describe the TPM support in QEMU

This patch adds a description of the current TPM support in QEMU
to the specs.

Several public specs are referenced via their landing page on the
trustedcomputinggroup.org website.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
7 years agotpm: Move tpm_cleanup() to right place
Amarnath Valluri [Fri, 29 Sep 2017 11:10:21 +0000 (14:10 +0300)] 
tpm: Move tpm_cleanup() to right place

As Emulator TPM backend uses chardev, tpm cleanup should happen before chardev
similar to other vhost-users.

Signed-off-by: Amarnath Valluri <amarnath.valluri@intel.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
7 years agotpm: Added support for TPM emulator
Amarnath Valluri [Fri, 29 Sep 2017 11:10:20 +0000 (14:10 +0300)] 
tpm: Added support for TPM emulator

This change introduces a new TPM backend driver that can communicate with
swtpm(software TPM emulator) using unix domain socket interface. QEMU talks to
the TPM emulator using QEMU's socket-based chardev backend device.

Swtpm uses two Unix sockets for communications, one for plain TPM commands and
responses, and one for out-of-band control messages. QEMU passes the data
socket to be used over the control channel.

The swtpm and associated tools can be found here:
    https://github.com/stefanberger/swtpm

The swtpm's control channel protocol specification can be found here:
    https://github.com/stefanberger/swtpm/wiki/Control-Channel-Specification

Usage:
    # setup TPM state directory
    mkdir /tmp/mytpm
    chown -R tss:root /tmp/mytpm
    /usr/bin/swtpm_setup --tpm-state /tmp/mytpm --createek

    # Ask qemu to use TPM emulator with given tpm state directory
    qemu-system-x86_64 \
        [...] \
        -chardev socket,id=chrtpm,path=/tmp/swtpm-sock \
        -tpmdev emulator,id=tpm0,chardev=chrtpm \
        -device tpm-tis,tpmdev=tpm0 \
        [...]

Signed-off-by: Amarnath Valluri <amarnath.valluri@intel.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Tested-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
7 years agotpm-passthrough: move reusable code to utils
Amarnath Valluri [Fri, 29 Sep 2017 11:10:19 +0000 (14:10 +0300)] 
tpm-passthrough: move reusable code to utils

Signed-off-by: Amarnath Valluri <amarnath.valluri@intel.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
7 years agotpm-backend: Move realloc_buffer() implementation to tpm-tis model
Amarnath Valluri [Fri, 29 Sep 2017 11:10:18 +0000 (14:10 +0300)] 
tpm-backend: Move realloc_buffer() implementation to tpm-tis model

buffer reallocation is very unlikely to be backend specific. Hence move inside
the tis.

Signed-off-by: Amarnath Valluri <amarnath.valluri@intel.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
7 years agotpm-backend: Add new API to read backend TpmInfo
Amarnath Valluri [Fri, 29 Sep 2017 11:10:17 +0000 (14:10 +0300)] 
tpm-backend: Add new API to read backend TpmInfo

TPM configuration options are backend implementation details and shall not be
part of base TPMBackend object, and these shall not be accessed directly outside
of the class, hence added a new interface method, get_tpm_options() to
TPMDriverOps., which shall be implemented by the derived classes to return
configured tpm options.

A new tpm backend api - tpm_backend_query_tpm() which uses _get_tpm_options() to
prepare TpmInfo.

Signed-off-by: Amarnath Valluri <amarnath.valluri@intel.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
7 years agotpm-backend: Made few interface methods optional
Amarnath Valluri [Fri, 29 Sep 2017 11:10:16 +0000 (14:10 +0300)] 
tpm-backend: Made few interface methods optional

This allows backend implementations left optional interface methods.
For mandatory methods assertion checks added.

Took the opportunity to remove unused methods:
 - tpm_backend_get_desc()
 - TPMDriverOps->handle_startup_error

Signed-off-by: Amarnath Valluri <amarnath.valluri@intel.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger<stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
7 years agotpm-backend: Initialize and free data members in it's own methods
Amarnath Valluri [Fri, 29 Sep 2017 11:10:15 +0000 (14:10 +0300)] 
tpm-backend: Initialize and free data members in it's own methods

Initialize and free TPMBackend data members in it's own instance_init() and
instance_finalize methods.

Took the opportunity to remove unneeded destroy() method from TpmDriverOps
interface as TPMBackend is a Qemu Object, we can use object_unref() inplace of
tpm_backend_destroy() to free the backend object, hence removed destroy() from
TPMDriverOps interface.

Signed-off-by: Amarnath Valluri <amarnath.valluri@intel.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
7 years agotpm-backend: Move thread handling inside TPMBackend
Amarnath Valluri [Fri, 29 Sep 2017 11:10:14 +0000 (14:10 +0300)] 
tpm-backend: Move thread handling inside TPMBackend

Move thread handling inside TPMBackend, this way backend implementations need
not to maintain their own thread life cycle, instead they needs to implement
'handle_request()' class method that always been called from a thread.

This change made tpm_backend_int.h kind of useless, hence removed it.

Signed-off-by: Amarnath Valluri <amarnath.valluri@intel.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
7 years agotpm-backend: Remove unneeded member variable from backend class
Amarnath Valluri [Fri, 29 Sep 2017 11:10:13 +0000 (14:10 +0300)] 
tpm-backend: Remove unneeded member variable from backend class

TPMDriverOps inside TPMBackend is not required, as it is supposed to be a class
member. The only possible reason for keeping in TPMBackend was, to get the
backend type in tpm.c where dedicated backend api, tpm_backend_get_type() is
present.

Signed-off-by: Amarnath Valluri <amarnath.valluri@intel.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
7 years agotpm: Use EMSGSIZE instead of EBADMSG to compile on OpenBSD
Stefan Berger [Wed, 11 Oct 2017 12:52:43 +0000 (08:52 -0400)] 
tpm: Use EMSGSIZE instead of EBADMSG to compile on OpenBSD

EBADMSG was only added to OpenBSD very recently. To make QEMU compilable
on older OpenBSD versions use EMSGSIZE instead when a mismatch between
number of received bytes and message size indicated in the header was
found.

Return -EMSGSIZE and convert all other errnos in the same functions to
return the negative errno.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
7 years agonbd/server: structurize simple reply header sending
Vladimir Sementsov-Ogievskiy [Thu, 12 Oct 2017 09:53:10 +0000 (12:53 +0300)] 
nbd/server: structurize simple reply header sending

Use packed structure instead of pointer arithmetics.

Also, merge two redundant traces into one.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20171012095319.136610-5-vsementsov@virtuozzo.com>
[eblake: tweak and mention impact on traces, fix errp usage]
Signed-off-by: Eric Blake <eblake@redhat.com>
7 years agonbd: rename some simple-request related objects to be _simple_
Vladimir Sementsov-Ogievskiy [Thu, 12 Oct 2017 09:53:09 +0000 (12:53 +0300)] 
nbd: rename some simple-request related objects to be _simple_

To be consistent when their _structured_ analogs will be introduced.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20171012095319.136610-4-vsementsov@virtuozzo.com>
[eblake: also tweak trace message contents]
Signed-off-by: Eric Blake <eblake@redhat.com>
7 years agoblock/nbd-client: refactor nbd_co_receive_reply
Vladimir Sementsov-Ogievskiy [Thu, 12 Oct 2017 09:53:08 +0000 (12:53 +0300)] 
block/nbd-client: refactor nbd_co_receive_reply

Pass handle parameter directly, as the whole request isn't needed.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20171012095319.136610-3-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
7 years agoblock/nbd-client: assert qiov len once in nbd_co_request
Vladimir Sementsov-Ogievskiy [Thu, 12 Oct 2017 09:53:07 +0000 (12:53 +0300)] 
block/nbd-client: assert qiov len once in nbd_co_request

Also improve the assertion: check that qiov is NULL for other commands
than CMD_READ and CMD_WRITE.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20171012095319.136610-2-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>