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15141 commits

Author SHA1 Message Date
Peter Maydell 649a1bbaf9 VirtFS update:
Cleanups mostly isolating virtio related details into separate files. This
 is done to enable easy addition of Xen transport for VirtFS.
 
 The changes include:
 
 1. Rename a bunch of files and functions to make clear they are generic.
 2. disentangle virtio transport code and generic 9pfs code.
 3. Some function name clean-up.
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Merge remote-tracking branch 'remotes/kvaneesh/tags/for-upstream-signed' into staging

VirtFS update:

Cleanups mostly isolating virtio related details into separate files. This
is done to enable easy addition of Xen transport for VirtFS.

The changes include:

1. Rename a bunch of files and functions to make clear they are generic.
2. disentangle virtio transport code and generic 9pfs code.
3. Some function name clean-up.

# gpg: Signature made Tue 12 Jan 2016 06:04:35 GMT using RSA key ID 04C4E23A
# gpg: Good signature from "Aneesh Kumar K.V <aneesh.kumar@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: 4846 9DE7 1860 360F A6E9  968C DE41 A4FE 04C4 E23A

* remotes/kvaneesh/tags/for-upstream-signed: (25 commits)
  9pfs: introduce V9fsVirtioState
  9pfs: factor out v9fs_device_{,un}realize_common
  9pfs: rename virtio-9p.c to 9p.c
  9pfs: rename virtio_9p_set_fd_limit to use v9fs_ prefix
  9pfs: move handle_9p_output and make it static function
  9pfs: export pdu_{submit,alloc,free}
  9pfs: factor out virtio_9p_push_and_notify
  9pfs: break out 9p.h from virtio-9p.h
  9pfs: break out virtio_init_iov_from_pdu
  9pfs: factor out pdu_push_and_notify
  9pfs: factor out virtio_pdu_{,un}marshal
  9pfs: make pdu_{,un}marshal proper functions
  9pfs: PDU processing functions should start pdu_ prefix
  9pfs: PDU processing functions don't need to take V9fsState as argument
  fsdev: rename virtio-9p-marshal.{c,h} to 9p-iov-marshal.{c,h}
  fsdev: break out 9p-marshal.{c,h} from virtio-9p-marshal.{c,h}
  9pfs: remove dead code
  9pfs: merge hw/virtio/virtio-9p.h into hw/9pfs/virtio-9p.h
  9pfs: rename virtio-9p-xattr{,-user}.{c,h} to 9p-xattr{,-user}.{c,h}
  9pfs: rename virtio-9p-synth.{c,h} to 9p-synth.{c,h}
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-01-12 17:37:22 +00:00
Wei Liu 00588a0aa2 9pfs: introduce V9fsVirtioState
V9fsState now only contains generic fields. Introduce V9fsVirtioState
for virtio transport.  Change virtio-pci and virtio-ccw to use
V9fsVirtioState.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
2016-01-12 11:04:14 +05:30
Prasad J Pandit 4ab0359a8a ide: ahci: reset ncq object to unused on error
When processing NCQ commands, AHCI device emulation prepares a
NCQ transfer object; To which an aio control block(aiocb) object
is assigned in 'execute_ncq_command'. In case, when the NCQ
command is invalid, the 'aiocb' object is not assigned, and NCQ
transfer object is left as 'used'. This leads to a use after
free kind of error in 'bdrv_aio_cancel_async' via 'ahci_reset_port'.
Reset NCQ transfer object to 'unused' to avoid it.

[Maintainer edit: s/ACHI/AHCI/ in the commit message. --js]

Reported-by: Qinghao Tang <luodalongde@gmail.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 1452282511-4116-1-git-send-email-ppandit@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2016-01-11 14:10:42 -05:00
Mark Cave-Ayland 97225170f6 macio: fix overflow in lba to offset conversion for ATAPI devices
As the IDEState lba field is an int32_t, make sure we cast to int64_t before
shifting to calculate the offset. Otherwise we end up with an overflow when
trying to access sectors beyond 2GB as can occur when using DVD images.

[Maintainer edit: fixed extraneous parentheses. --js]

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 1451928613-29476-1-git-send-email-mark.cave-ayland@ilande.co.uk
Signed-off-by: John Snow <jsnow@redhat.com>
2016-01-11 14:10:42 -05:00
Ashok Kumar fea9b3ca9c hw/arm/virt: Support legacy -nic command line syntax
Support the legacy -nic syntax for creating PCI network devices
as well as the new-style -device options. This makes life easier
for people moving from x86 KVM virtualization to ARM KVM virtualization
and expecting their network configuration options to work the same
way for both setups.

We use "virtio" as the default NIC model if the user doesn't specify one.

Signed-off-by: Ashok Kumar <ashoks@broadcom.com>
Message-id: 1452091659-17698-1-git-send-email-ashoks@broadcom.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: expanded and clarified commit message]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-01-11 16:04:50 +00:00
Andrew Jones b3d21a04b8 hw/dma/xilinx_axidma: remove dead code
stream_desc_show() (and DEBUG_ENET) appear to be unused, as the
function isn't compilable (there are broken PRI format strings).

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 1452084792-17424-1-git-send-email-drjones@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-01-11 15:52:18 +00:00
Jean-Christophe DUBOIS fea01f9604 i.MX: move i.MX31 CCM object to register array
With this i.MX25 and i.MX31 will have closer implementations.

Moreover all i.MX31 CCM registers are now present.

Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-01-11 15:52:18 +00:00
Peter Maydell 692a5519ab trivial patches for 2016-01-11
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Merge remote-tracking branch 'remotes/mjt/tags/pull-trivial-patches-2016-01-11' into staging

trivial patches for 2016-01-11

# gpg: Signature made Mon 11 Jan 2016 08:39:32 GMT using RSA key ID A4C3D7DB
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>"
# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>"
# gpg:                 aka "Michael Tokarev <mjt@debian.org>"

* remotes/mjt/tags/pull-trivial-patches-2016-01-11:
  hw/s390x: Remove superfluous return statements
  hw/core/qdev: Remove superfluous return statement
  hw/acpi: Remove superfluous return statement
  hw/ide: Remove superfluous return statements
  osdep.h: Include glib-compat.h in osdep.h rather than qemu-common.h
  scripts/checkpatch.pl: Don't allow special cases of unspaced operators
  PCI Bonito: QOMify and cleanup
  SH PCI Host: convert to realize()
  gt64120: convert to realize()
  Add missing syscall nrs. according to more recent Linux kernels
  hw/misc/edu: Convert to realize()
  configure: fix trace backend check
  xen/Makefile.objs: simplify
  crypto: Fix typo in example
  MAINTAINERS: Add the correct device_tree.h file
  iscsi: fix readcapacity error message
  net: convert qemu_log to error_report, fix message
  linux-user: enable sigaltstack for all architectures
  unicore32: convert get_sp_from_cpustate from macro to inline

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-01-11 12:56:58 +00:00
Peter Maydell cc06ca4c97 -----BEGIN PGP SIGNATURE-----
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Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging

# gpg: Signature made Mon 11 Jan 2016 05:22:16 GMT using RSA key ID 398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.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: 215D 46F4 8246 689E C77F  3562 EF04 965B 398D 6211

* remotes/jasowang/tags/net-pull-request: (24 commits)
  ether/slirp: Avoid redefinition of the same constants
  l2tpv3: fix cookie decoding
  net: ne2000: fix bounds check in ioport operations
  net: rocker: fix an incorrect array bounds check
  vmxnet3: Introduce 'x-disable-pcie' back-compat property
  vmxnet3: Report the Device Serial Number capability
  vmxnet3: The vmxnet3 device is a PCIE endpoint
  vmxnet3: coding: Introduce VMXNET3Class
  vmxnet3: Introduce 'x-old-msi-offsets' back-compat property
  vmxnet3: Change the offset of the MSIX PBA table
  vmxnet3: Change offsets of msi/msix pci capabilities
  net/filter: fix nf->netdev_id leak
  net/dump: fix nfds->filename leak
  net/vmxnet3: rename VMXNET3_DEVICE_VERSION to VMXNET3_UPT_REVISION
  net/vmxnet3: return 0 on unknown command
  net/vmxnet3: return correct value for VMXNET3_CMD_GET_DEV_EXTRA_INFO
  net/vmxnet3: return correct value for VMXNET3_CMD_GET_DID_* command
  net/vmxnet3: return 1 on device activation failure
  MAINTAINERS: Add an entry for the net/slirp.c file
  net: vmxnet3: avoid memory leakage in activate_device
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-01-11 12:30:02 +00:00
Peter Maydell 10e1b75961 ppc patch queue 2016-01-11
Biggest content is a thorough cleanups of spapr machine type handling.
 Also contains several other minor cleanups, bugfixes and extensions.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.6-20160111' into staging

ppc patch queue 2016-01-11

Biggest content is a thorough cleanups of spapr machine type handling.
Also contains several other minor cleanups, bugfixes and extensions.

# gpg: Signature made Mon 11 Jan 2016 04:34:38 GMT using RSA key ID 20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg: 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: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-2.6-20160111:
  hw/ppc/spapr: fix spapr->kvm_type leak
  spapr vio: fix to incomplete QOMify
  hw/ppc/spapr: Use XHCI as host controller for new spapr machines
  pseries: Add pseries-2.6 machine type
  pseries: Improve setting of default machine version
  pseries: Restructure class_options functions
  pseries: DEFINE_SPAPR_MACHINE
  pseries: Use SET_MACHINE_COMPAT
  Move SET_MACHINE_COMPAT macro to boards.h
  pseries: Remove versions from mc->desc
  pseries: Remove redundant calls to spapr_machine_initfn()
  pseries: Rearrange versioned machine type code
  pseries: Remove redundant setting of mc->name for pseries-2.5 machine
  spapr: Add /system-id
  target-ppc: Define kvmppc_read_int_dt()
  hw/ppc/spapr_rtc: Remove bad class_size value

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-01-11 11:57:53 +00:00
Thomas Huth fe02fc5209 hw/s390x: Remove superfluous return statements
The "return;" statements at the end of functions do not make
much sense, so let's remove them.

Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Alexander Graf <agraf@suse.de>
Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-01-11 11:39:28 +03:00
Thomas Huth 1063477834 hw/core/qdev: Remove superfluous return statement
The "return;" statement at the end of device_set_realized()
does not make much sense, so let's remove it.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-01-11 11:39:28 +03:00
Thomas Huth ff433bbb82 hw/acpi: Remove superfluous return statement
The "return;" statement at the end of acpi_memory_plug_cb()
does not make much sense, so let's remove it.

Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-01-11 11:39:28 +03:00
Thomas Huth 4e6f7cfbf9 hw/ide: Remove superfluous return statements
The "return;" statements at the end of functions do not make
much sense, so let's remove them.

Cc: qemu-block@nongnu.org
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-01-11 11:39:28 +03:00
Cao jin a2a645d967 PCI Bonito: QOMify and cleanup
Also clear the code

Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-01-11 11:39:28 +03:00
Cao jin 9f23b27d0d SH PCI Host: convert to realize()
Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-01-11 11:39:28 +03:00
Cao jin b429d363ed gt64120: convert to realize()
Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-01-11 11:39:28 +03:00
Cao jin f922254c87 hw/misc/edu: Convert to realize()
for educational PCI device

Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-01-11 11:39:28 +03:00
Cao jin 66c058cb69 xen/Makefile.objs: simplify
merge last two lines, keep alphabetic order.

Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-01-11 11:39:28 +03:00
David Gibson 87bbdd9caf hw/ppc/spapr: fix spapr->kvm_type leak
Cc: David Gibson <david@gibson.dropbear.id.au>
Cc: Alexander Graf <agraf@suse.de>
Cc: qemu-ppc@nongnu.org
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
[fixed return type of spapr_machine_finalizefn()]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-01-11 15:29:05 +11:00
Cao jin 215e209846 spapr vio: fix to incomplete QOMify
Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-01-11 15:29:05 +11:00
Thomas Huth 57040d4513 hw/ppc/spapr: Use XHCI as host controller for new spapr machines
The OHCI has some bugs and performance issues, so for
newer machines it's preferable to use XHCI instead.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-01-11 15:29:05 +11:00
David Gibson 4b23699c82 pseries: Add pseries-2.6 machine type
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
2016-01-11 15:29:05 +11:00
David Gibson fccbc78500 pseries: Improve setting of default machine version
This tweaks the way the default machine version is controlled, so that
there will be a bit less churn when each new version is introduced.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
2016-01-11 15:29:05 +11:00
David Gibson fc9f38c3c0 pseries: Restructure class_options functions
Currently each of the *_class_options() functions for the pseries-2.1 ..
pseries-2.5 machine types are standalone.  This will become harder to
maintain as new versions are added.

This patch restructures them similarly to x86 where each function calls
the one from the next version, then overrides anything necessary for
compatibility with the specific version and older.

The default behaviour - that for the most recent machine are set up in
the base class initializer spapr_machine_class_init().  Previously it had
some things set up to default to older behaviour with the more recent
machines overriding it.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
2016-01-11 15:29:05 +11:00
David Gibson 5013c54746 pseries: DEFINE_SPAPR_MACHINE
At the moment all the class_init functions and TypeInfo structures for the
various versioned pseries machine types are open-coded.  As more versions
are created this is getting increasingly clumsy.

This patch borrows the approach used in PC, using a DEFINE_SPAPR_MACHINE()
macro to construct most of the boilerplate from simpler 'class_options' and
'instance_options' functions.

This patch makes a small semantic change - the versioned machine types are
now registered through machine_init() instead of type_init().  Since the
new way is how PC already did it, I'm assuming that's correct.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
2016-01-11 15:29:05 +11:00
David Gibson f949b4e5f5 pseries: Use SET_MACHINE_COMPAT
To make the spapr_machine_*_class_init() functions a little less bulky.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
2016-01-11 15:29:05 +11:00
David Gibson 0eb9054c60 pseries: Remove versions from mc->desc
Currently, the versioned spapr machine types put the machine type version
into the description string.  PC does not do this, using just the name
itself to distinguish.  Doing the same lets us move setting the description
into the common base class, simplifying the code slightly.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
2016-01-11 15:29:05 +11:00
David Gibson 64f0f70a00 pseries: Remove redundant calls to spapr_machine_initfn()
The instance_init() functions for several of the pseries-x.y versioned
machine types explicitly call spapr_machine_initfn().  But that's the
instance_init function for the common parent of all those machine types,
so will already have been called beforehand by the QOM infrastructure.

Remove the redundant calls.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
2016-01-11 15:29:05 +11:00
David Gibson 1c5f29bbc8 pseries: Rearrange versioned machine type code
hw/ppc/spapr.c has a number of definitions related to the various versioned
machine types ("pseries-2.1" .. "pseries-2.5") it defines.  These are
mostly arranged by type of function first, then machine version second, and
it's not consistent about whether it goes in increasing or decreasing
version order.

This rearranges the code to keep all the definitions for a particular
machine version together, and arrange then consistently in order most
recent to least recent.

This brings us closer to matching the way PC does things, and makes later
cleanups easier to follow.

Apart from adding some comments marking each section, this is a pure
mechanical rearrangement with no semantic changes.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
2016-01-11 15:29:04 +11:00
David Gibson aec39c5349 pseries: Remove redundant setting of mc->name for pseries-2.5 machine
98cec76 "machine: Set MachineClass::name automatically" removed the setting
of mc->name for the pseries machine types, since it can be derived
automatically from the type names constructed with MACHINE_TYPE_NAME().

Unfortunately fb0fc8f "spapr: Create pseries-2.5 machine" went in later and
brought one of them back.

This removes it again.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
2016-01-11 15:29:04 +11:00
Alexey Kardashevskiy 3dc0a66d26 spapr: Add /system-id
Section B.6.2.1 Root Node Properties of PAPR specification defines
a set of properties which shall be present in the device tree root,
one of these properties is "system-id" which "should be unique across
all systems and all manufacturers". Since UUID is meant to be unique,
it makes sense to use it as "system-id".

This adds "system-id" property to the device tree root when not empty.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-01-11 15:29:04 +11:00
Dr. David Alan Gilbert 9c7ffe2664 ether/slirp: Avoid redefinition of the same constants
eth.h and slirp.h both define ETH_ALEN and ETH_P_IP
rtl8139.c and eth.h both define ETH_HLEN

Move the related constant (ETH_P_ARP) from slirp.h to eth.h, and
remove the duplicates; make slirp.h include eth.h

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-01-11 11:01:35 +08:00
Prasad J Pandit aa7f9966df net: ne2000: fix bounds check in ioport operations
While doing ioport r/w operations, ne2000 device emulation suffers
from OOB r/w errors. Update respective array bounds check to avoid
OOB access.

Reported-by: Ling Liu <liuling-it@360.cn>
Cc: qemu-stable@nongnu.org
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-01-11 11:01:35 +08:00
Prasad J Pandit 007cd223de net: rocker: fix an incorrect array bounds check
While processing transmit(tx) descriptors in 'tx_consume' routine
the switch emulator suffers from an off-by-one error, if a
descriptor was to have more than allowed(ROCKER_TX_FRAGS_MAX=16)
fragments. Fix an incorrect bounds check to avoid it.

Reported-by: Qinghao Tang <luodalongde@gmail.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-01-11 11:01:35 +08:00
Shmulik Ladkani 7d6d347d06 vmxnet3: Introduce 'x-disable-pcie' back-compat property
Following the previous patch which changed vmxnet3 to be a pci express
device, this patch introduces a boolean property 'x-disable-pcie' whose
default is false.

Setting 'x-disable-pcie' to 'on' preserves the old 'pci device' (non
express) behavior. This allows migration to older versions.

Signed-off-by: Shmulik Ladkani <shmulik.ladkani@ravellosystems.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-01-11 11:01:35 +08:00
Shmulik Ladkani 3509866ab3 vmxnet3: Report the Device Serial Number capability
Report the DSN extended PCI capability at 0x100.
DSN value is a transformation of device MAC address, as calculated
by VMware virtual hardware.

DSN is reported only if device is pcie.

Signed-off-by: Shmulik Ladkani <shmulik.ladkani@ravellosystems.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-01-11 11:01:35 +08:00
Shmulik Ladkani f713d4d2f1 vmxnet3: The vmxnet3 device is a PCIE endpoint
Report the 'express endpoint' capability if on a PCIE bus.

Signed-off-by: Shmulik Ladkani <shmulik.ladkani@ravellosystems.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-01-11 11:01:35 +08:00
Shmulik Ladkani b79f17a9bc vmxnet3: coding: Introduce VMXNET3Class
Introduce a class type for vmxnet3, and the usual
DEVICE_CLASS/DEVICE_GET_CLASS macros.

No semantic change.

Signed-off-by: Shmulik Ladkani <shmulik.ladkani@ravellosystems.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-01-11 11:01:34 +08:00
Shmulik Ladkani b22e0aef46 vmxnet3: Introduce 'x-old-msi-offsets' back-compat property
Following the previous patches, where vmxnet3's pci's msi/msix
capability offsets and msix's PBA table offsets have been changed, this
patch introduces a boolean property 'x-old-msi-offsets' to vmxnet3,
whose default is false.

Setting 'x-old-msi-offsets' to 'on' preserves the old offsets behavior,
which allows migration to older versions.

Signed-off-by: Shmulik Ladkani <shmulik.ladkani@ravellosystems.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-01-11 11:01:34 +08:00
Shmulik Ladkani 9c087a0504 vmxnet3: Change the offset of the MSIX PBA table
Place the PBA table at 0x1000, as placed by VMware virtual hardware.

Signed-off-by: Shmulik Ladkani <shmulik.ladkani@ravellosystems.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-01-11 11:01:34 +08:00
Shmulik Ladkani f9262dae13 vmxnet3: Change offsets of msi/msix pci capabilities
Place device reported PCI capabilities at the same offsets as placed by
the VMware virtual hardware: MSI at [84], MSI-X at [9c].

Signed-off-by: Shmulik Ladkani <shmulik.ladkani@ravellosystems.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-01-11 11:01:34 +08:00
Miao Yan c12d82ef15 net/vmxnet3: rename VMXNET3_DEVICE_VERSION to VMXNET3_UPT_REVISION
VMXNET3_DEVICE_VERSION is used as return value for accessing
UPT Revision Report and Selection register. So rename it
to VMXNET3_UPT_REVISION.

Signed-off-by: Miao Yan <yanmiaoebest@gmail.com>
Reviewed-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-01-11 11:01:34 +08:00
Miao Yan 8856be1512 net/vmxnet3: return 0 on unknown command
Return 0 on unknown command, this is what esxi (5.x+) behaves.

Signed-off-by: Miao Yan <yanmiaobest@gmail.com>
Reviewed-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-01-11 11:01:34 +08:00
Miao Yan 5ae3e91c35 net/vmxnet3: return correct value for VMXNET3_CMD_GET_DEV_EXTRA_INFO
VMXNET3_CMD_GET_DEV_EXTRA_INFO should return 0 for emulation
mode

This behavior can be observed by the following steps:

1) run a Linux distro on esxi server (5.x+)
2) modify vmxnet3 Linux driver to read the register:

  VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_DEV_EXTRA_INFO);
  ret =  VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD);
  pr_info("vmxnet3 dev_info: 0x%x\n", ret);

The kernel log will have some like the following message:

  [ 7005.111170] vmxnet3 dev_info: 0x0

Signed-off-by: Miao Yan <yanmiaobest@gmail.com>
Reviewed-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-01-11 11:01:34 +08:00
Miao Yan c469669ef7 net/vmxnet3: return correct value for VMXNET3_CMD_GET_DID_* command
VMXNET3_CMD_GET_DID_LO should return PCI ID of the device
and VMXNET3_CMD_GET_DID_HI should return vmxnet3 revision ID.

This behavior can be observed by the following steps:

1) run a Linux distro on esxi server (5.x+)
2) modify vmxnet3 Linux driver to read DID_HI and DID_LO:

  VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_DID_LO);
  lo =  VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD);

  VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_DID_HI);
  high =  VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD);
  pr_info("vmxnet3 DID lo: 0x%x, high: 0x%x\n", lo, high);

The kernel log will have something like the following message:

  [ 7005.111170] vmxnet3 DID lo: 0x7b0, high: 0x1

Signed-off-by: Miao Yan <yanmiaobest@gmail.com>
Reviewed-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-01-11 11:01:34 +08:00
Miao Yan fde58177aa net/vmxnet3: return 1 on device activation failure
When reading device status, 0 means device is successfully
activated and 1 means error.

This behavior can be observed by the following steps:

1) run a Linux distro on esxi server (5.5+)
2) modify vmxnet3 Linux driver to give it an invalid
   address to 'adapter->shared_pa' which is the
   shared memory for guest/host communication

This will trigger device activation failure and kernel
log will have the following message:

   [ 7138.403256] vmxnet3 0000:03:00.0 eth1: Failed to activate dev: error 1

So return 1 on device activation failure instead of -1;

Signed-off-by: Miao Yan <yanmiaobest@gmail.com>
Reviewed-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-01-11 11:01:34 +08:00
P J P aa4a3dce1c net: vmxnet3: avoid memory leakage in activate_device
Vmxnet3 device emulator does not check if the device is active
before activating it, also it did not free the transmit & receive
buffers while deactivating the device, thus resulting in memory
leakage on the host. This patch fixes both these issues to avoid
host memory leakage.

Reported-by: Qinghao Tang <luodalongde@gmail.com>
Reviewed-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Cc: qemu-stable@nongnu.org
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-01-11 11:01:34 +08:00
Miao Yan dd3c168471 net/vmxnet3: remove redundant VMW_SHPRN(...) definition
Macro VMW_SHPRN(...) is already defined vmxnet3_debug.h,
so remove the duplication

Signed-off-by: Miao Yan <yanmiaobest@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-01-11 11:01:34 +08:00
Miao Yan 71c2f5b9b3 net/vmxnet3: fix debug macro pattern for vmxnet3
Vmxnet3 uses the following debug macro style:

 #ifdef SOME_DEBUG
 #  define debug(...) do{ printf(...); } while (0)
 # else
 #  define debug(...) do{ } while (0)
 #endif

If SOME_DEBUG is undefined, then format string inside the
debug macro will never be checked by compiler. Code is
likely to break in the future when SOME_DEBUG is enabled
 because of lack of testing. This patch changes this
to the following:

 #define debug(...) \
  do { if (SOME_DEBUG_ENABLED) printf(...); } while (0)

Signed-off-by: Miao Yan <yanmiaobest@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-01-11 11:01:34 +08:00