Commit Graph

1736 Commits

Author SHA1 Message Date
Wanlong Gao 45e30bf3a9 NUMA: expand MAX_NODES from 64 to 128
libnuma choosed 128 for MAX_NODES, so we follow libnuma here.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 18:44:18 +03:00
Wanlong Gao 0042109a6a NUMA: convert -numa option to use OptsVisitor
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 18:44:18 +03:00
Wanlong Gao 8c85901ed3 NUMA: Add numa_info structure to contain numa nodes info
Add the numa_info structure to contain the numa nodes memory,
VCPUs information and the future added numa nodes host memory
policies.

Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
[Fix hw/ppc/spapr.c - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 18:44:18 +03:00
Wanlong Gao 96d0e26c23 NUMA: move numa related code to new file numa.c
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>

MST: comment tweaks
2014-06-19 18:44:18 +03:00
Peter Maydell 6baa963f4d Merge remote-tracking branch 'remotes/bonzini/scsi-next' into staging
* remotes/bonzini/scsi-next:
  virtio-scsi: define dummy handle_output for vhost-scsi vqs
  block/iscsi: drop obsolete pointers from iscsi_co_writev
  block/iscsi: fix init value for iTask->retries
  block/iscsi: bump libiscsi requirement to 1.9.0
  virtio-scsi: add support for the any_layout feature
  virtio-scsi: introduce virtio_scsi_complete_cmd_req
  virtio-scsi: prepare sense data handling for any_layout
  virtio-scsi: add extra argument and return type to qemu_sgl_concat
  virtio-scsi: add target swap for VirtIOSCSICtrlTMFReq fields
  virtio-scsi: start preparing for any_layout
  util: add return value to qemu_iovec_concat_iov
  megasas: use PCI DMA API
  scsi: Print command name in debug
  scsi-disk: fix bug in scsi_block_new_request() introduced by commit 137745c
  scsi-disk.c: Fix compilation with -DDEBUG_SCSI
  block/iscsi: use 16 byte CDBs only when necessary
  block/iscsi: fix potential segfault on early callback
  block/iscsi: handle BUSY condition

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-06-19 16:18:04 +01:00
Sean Bruno 9f6f7f1a85 include/qemu/aes.h: Avoid conflicts with FreeBSD AES functions
FreeBSD's libcrypto provides functions with the same names as us;
use #define to rename our versions to avoid conflicts at link time.

Signed-off-by: Sean Bruno <sbruno@freebsd.org>
Signed-off-by: Ed Maste <emaste@freebsd.org>
Message-id: 1402930927-41125-1-git-send-email-sbruno@freebsd.org
[PMM: improved commit message, fixed comment typo]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-06-19 16:13:38 +01:00
Nikolay Nikolaev d314f586b3 Add new vhost-user netdev backend
Add a new QEMU netdev backend that is intended to invoke vhost_net with the
vhost-user backend. It uses an Unix socket chardev to establish a
communication with the 'slave' (client and server mode supported).

At runtime the netdev will handle OPEN/CLOSE events from the chardev. Upon
disconnection it will set link_down accordingly and notify virtio-net; the
virtio-net interface will go down.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:57 +03:00
Nikolay Nikolaev 1a1bfac9ee Add vhost-backend and VhostBackendType
Use vhost_set_backend_type to initialise a proper vhost_ops structure.
In vhost_net_init and vhost_net_start_one call conditionally TAP related
initialisation depending on the vhost backend type.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:56 +03:00
Nikolay Nikolaev 24d1eb33eb Add vhost_ops to vhost_dev struct and replace all relevant ioctls
Decouple vhost from the Linux kernel by introducing vhost_ops. The
intention is to provide different backends - a 'kernel' backend based on
the ioctl interface, and an 'user' backend based on a UNIX domain socket
and shared memory interface.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:56 +03:00
Nikolay Nikolaev 81647a655f vhost_net_init will use VhostNetOptions to get all its arguments
vhost_dev_init will replace devfd and devpath with a single opaque argument.
This is initialised with a file descriptor. When TAP is used (through
vhost_net), open /dev/vhost-net and pass the fd as an opaque parameter in
VhostNetOptions. The same applies to vhost-scsi - open /dev/vhost-scsi and
pass the fd.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:56 +03:00
Nikolay Nikolaev ed8b4afe5f Refactor virtio-net to use generic get_vhost_net
This decouples virtio-net from the TAP netdev backend and allows support
for other backends to be implemented.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:55 +03:00
Nikolay Nikolaev 2e6d46d77e vhost: add vhost_get_features and vhost_ack_features
Generalize the features get/ack to be used for both vhost-net and vhost-scsi.
In vhost-net add vhost_net_get_feature_bits to select the feature bit set
depending on the NetClient kind.

Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:55 +03:00
Nikolay Nikolaev cdaa86a54b Add G_IO_HUP handler for socket chardev
This is used to detect that the remote end has disconnected. Just call
tcp_char_disconnect on receiving this event.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:55 +03:00
Nikolay Nikolaev c76bf6bb8f Add chardev API qemu_chr_fe_get_msgfds
This extends the existing qemu_chr_fe_get_msgfd by allowing to read a set
of fds. The function for receiving the fds - unix_process_msgfd is extended
to allocate the needed array size.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:55 +03:00
Nikolay Nikolaev d39aac7aac Add chardev API qemu_chr_fe_set_msgfds
This will set an array of file descriptors to the internal structures.
The next time a message is send the array will be send as ancillary
data. This feature works on the UNIX domain socket backend only.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:54 +03:00
Nikolay Nikolaev 7b0bfdf52d Add chardev API qemu_chr_fe_read_all
This function will attempt to read data from the chardev trying
to fill the buffer up to the given length.
Add tcp_chr_disconnect to reuse disconnection code where needed.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:54 +03:00
Nikolay Nikolaev 69e03ae64b Add kvm_eventfds_enabled function
Add a function to check if the eventfd capability is present in KVM in
the host kernel.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-19 16:41:54 +03:00
Jason Wang f57fcf7063 virtio-net: announce self by guest
It's hard to track all mac addresses and their configurations (e.g
vlan or ipv6) in qemu. Without this information, it's impossible to
build proper garp packet after migration. The only possible solution
to this is let guest (who knows all configurations) to do this.

So, this patch introduces a new readonly config status bit of virtio-net,
VIRTIO_NET_S_ANNOUNCE which is used to notify guest to announce
presence of its link through config update interrupt.When guest has
done the announcement, it should ack the notification through
VIRTIO_NET_CTRL_ANNOUNCE_ACK cmd. This feature is negotiated by a new
feature bit VIRTIO_NET_F_ANNOUNCE (which has already been supported by
Linux guest).

During load, a counter of announcing rounds is set so that after the vm is
running it can trigger rounds of config interrupts to notify the guest to build
and send the correct garps.

Cc: Liuyongan <liuyongan@huawei.com>
Cc: Amos Kong <akong@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:54 +03:00
Jason Wang 508e1180d3 migration: introduce self_announce_delay()
This patch introduces self_announce_delay() to calculate the delay for
the next announce round. This could be used by other device e.g
virtio-net who wants to do announcing by itself.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:54 +03:00
Jason Wang 110f463062 migration: export SELF_ANNOUNCE_ROUNDS
Export it for other users.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:54 +03:00
Michael S. Tsirkin 292b1634d0 ich: get rid of spaces in type name
Names with spaces in them are nasty, let's not go there.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:53 +03:00
Igor Mammedov bf1e893959 pc: add "hotplug-memory-region-size" property to PC_MACHINE
... it will be used by acpi-build code and by unit tests

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:52 +03:00
Igor Mammedov bef3492d11 pc: ACPI BIOS: implement memory hotplug interface
- provides static SSDT object for memory hotplug that can handle
  upto 256 hotplugable memory slots
- SSDT template for memory devices and runtime generator
  of them in SSDT table.

Signed-off-by: Vasilis Liaskovitis <vasilis.liaskovitis@profitbricks.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:51 +03:00
Igor Mammedov 781bbd6bec pc: add acpi-device link to PCMachineState
the link will used later to access device implementing
ACPI functions instead of adhoc lookup in QOM tree.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:51 +03:00
Igor Mammedov f816a62daa pc: migrate piix4 & ich9 MemHotplugState
Adds an optional subsection that allows to migrate current
state of acpi_memory_hotplug of ACPI PM device.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:51 +03:00
Igor Mammedov 1f8621842e acpi:ich9: add memory hotplug handling
Add memory hotplug initialization/handling to ICH9 LPC device
and enable it by default for post 2.0 machine types

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:51 +03:00
Igor Mammedov 34774320c3 acpi:piix4: add memory hotplug handling
Add memory hotplug initialization/handling to PIIX4_PM device
and enable it by default for post 2.0 machine types

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

MST: resolve conflict in pc.h
2014-06-19 16:41:50 +03:00
Igor Mammedov 3ef77acab2 acpi: memory hotplug ACPI hardware implementation
- implements QEMU hardware part of memory hotplug protocol
  described at "docs/specs/acpi_mem_hotplug.txt"
- handles only memory add notification event for now

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:49 +03:00
Igor Mammedov 7e629d1d8d acpi: rename cpu_hotplug_defs.h to pc-hotplug.h
to make it more generic, so it could be used for memory hotplug
as well.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:49 +03:00
Igor Mammedov 0cd03d89b9 pc-dimm: add busy slot check and slot auto-allocation
- if slot property is not specified on -device/device_add command,
treat default value as request for assigning PCDIMMDevice to
the first free slot.

- if slot is provided with -device/device_add command, attempt to
use it or fail command if it's already occupied.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:49 +03:00
Igor Mammedov 0b31257116 pc-dimm: add busy address check and address auto-allocation
- if 'addr' property is not specified on -device/device_add command,
treat the default value as request for assigning PCDIMMDevice to
the first free memory region.

- if 'addr' is provided with -device/device_add command, attempt to
use it or fail command if it's already occupied or falls inside
of an existing PCDIMMDevice memory region.

Note:
GCompareFunc(a, b) used by g_slist_insert_sorted() returns 'gint',
however it might be too small to fit difference between
2 addresses. So use 128bit to calculate the difference and normalize
result to -1/0/1 return values.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Andrey Korolyov <andrey@xdel.ru>

MST: commit log tweaks
2014-06-19 16:41:49 +03:00
Igor Mammedov 95bee274fd pc: add memory hotplug handler to PC_MACHINE
that will perform mapping of PC_DIMM device into guest's RAM address space

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:48 +03:00
Igor Mammedov de268e134c pc: add 'etc/reserved-memory-end' fw_cfg interface for SeaBIOS
'etc/reserved-memory-end' will allow QEMU to tell BIOS where PCI
BARs mapping could safely start in high memory.

Allowing BIOS to start mapping 64-bit PCI BARs at address where it
wouldn't conflict with other mappings QEMU might place before it.

That permits QEMU to reserve extra address space before
64-bit PCI hole for memory hotplug.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:48 +03:00
Igor Mammedov a0cc8856e8 pc: exit QEMU if number of slots more than supported 256
... which is imposed by current naming scheme of ACPI memory devices.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:48 +03:00
Igor Mammedov 619d11e463 pc: initialize memory hotplug address space
initialize and map hotplug memory address space container
into guest's RAM address space.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:47 +03:00
Igor Mammedov eed2bacfd2 memory: add memory_region_is_mapped() API
which allows to check if MemoryRegion is already mapped.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:47 +03:00
Vasilis Liaskovitis 10b7e74bf2 pc: implement pc-dimm device abstraction
Each hotplug-able memory slot is a PCDIMMDevice.
A hot-add operation for a memory device:
- creates a new PCDIMMDevice and makes hotplug controller to map it into
  guest address space

Hotplug operations are done through normal device_add commands.
For migration case, all hotplugged memory devices on source should be
specified on target's command line using '-device' option with
properties set to the same values as on source.

To simplify review, patch introduces only PCDIMMDevice QOM skeleton that
will be extended by following patches to implement actual memory hotplug
and related functions.

Signed-off-by: Vasilis Liaskovitis <vasilis.liaskovitis@profitbricks.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:47 +03:00
Igor Mammedov b745454811 qdev: hotplug for bus-less devices
Add get_hotplug_handler() method to machine, and
make bus-less device use it during hotplug
as a means to discover a hotplug handler controller.
The returned controller is used to perform hotplug
actions.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19 16:41:46 +03:00
Igor Mammedov c270fb9eff vl.c: extend -m option to support options for memory hotplug
Add following parameters:
  "slots" - total number of hotplug memory slots
  "maxmem" - maximum possible memory

"slots" and "maxmem" should go in pair and "maxmem" should be greater
than "mem" for memory hotplug to be enabled.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

MST: fix build on 32 bit
2014-06-19 16:41:46 +03:00
Ming Lei 91d670fbf9 virtio-scsi: define dummy handle_output for vhost-scsi vqs
vhost userspace needn't to handle vq's notification from guest,
so define dummy handle_output callback for all vqs of vhost-scsi.

In some corner cases(such as when handling vq's reset from VM), virtio-pci
still trys to handle pending virtio-scsi events, then object check failure
inside virtio_scsi_handle_event() for vhost-scsi can be triggered.

The issue can be reproduced by 'rmmod virtio-scsi', 'system sleep' or reboot
inside VM.

Cc: qemu-stable@nongnu.org
Cc: Anthony Liguori <aliguori@amazon.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-19 10:15:48 +02:00
Igor Mammedov 1f07048933 add memdev backend infrastructure
Provides framework for splitting host RAM allocation/
policies into a separate backend that could be used
by devices.

Initially only legacy RAM backend is provided, which
uses memory_region_init_ram() allocator and compatible
with every CLI option that affects memory_region_init_ram().

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-18 21:10:30 +03:00
Igor Mammedov d5747cace7 pc: create custom generic PC machine type
it will be used for PC specific options/variables

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-18 21:09:55 +03:00
Aurelien Jarno 739b7a9075 bitops: provide an inline implementation of find_first_bit
find_first_bit has started to be used heavily in TCG code. The current
implementation based on find_next_bit is not optimal and can't be
optimized be the compiler if the bit array has a fixed size, which is
the case most of the time.

This new implementation does not use find_next_bit and is yet small
enough to be inlined.

Cc: Corentin Chary <corentin.chary@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2014-06-18 18:10:47 +02:00
James Hogan aed6efb90c kvm: Allow arch to set sigmask length
MIPS/Linux is unusual in having 128 signals rather than just 64 like
most other architectures. This means its sigmask is 16 bytes instead of
8, so allow arches to override the sigmask->len value passed to the
KVM_SET_SIGNAL_MASK ioctl in kvm_set_signal_mask() by calling
kvm_set_sigmask_len() from kvm_arch_init(). Otherwise default to 8
bytes.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Sanjay Lal <sanjayl@kymasys.com>
Cc: Gleb Natapov <gleb@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-18 16:58:43 +02:00
Sanjay Lal 253fffe725 hw/mips: Add API to convert KVM guest KSEG0 <-> GPA
Add API for converting physical addresses to KVM guest KSEG0 addresses,
and fix the existing API for converting KSEG0 addresses to physical
addresses to work in the KVM case. Both have the same sized KSEG0, so
it's just a case of fixing the mask.

In KVM trap and emulate mode both the guest kernel and guest userspace
execute in useg:
    Guest User address space:   0x00000000..0x3fffffff
    Guest Kernel Unmapped:      0x40000000..0x5fffffff
    Guest Kernel Mapped:        0x60000000..0x7fffffff

Signed-off-by: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-18 16:58:10 +02:00
Paolo Bonzini feca4ac18b memory: MemoryRegion: rename parent to container
Avoid confusion with the QOM parent.

Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-18 15:32:50 +02:00
Paolo Bonzini 3eff1f46f0 virtio-scsi: add support for the any_layout feature
Store the request and response headers by value, and let
virtio_scsi_parse_req check that there is only one of datain
and dataout.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-18 08:47:11 +02:00
Paolo Bonzini 519661ee65 util: add return value to qemu_iovec_concat_iov
This will be necessary later to recognize the case where a
request has both dataout and datain.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-18 08:47:10 +02:00
Alexey Kardashevskiy b9e77bc718 scsi: Print command name in debug
This makes scsi_command_name() public.

This makes use of scsi_command_name() in debug output for scsi-disk and
spapr-vscsi host bus adapter. Before this, SCSI used to print hex numbers
instead of human-friendly strings.

This adds GET_EVENT_STATUS_NOTIFICATION and READ_DISC_INFORMATION to
the list of SCSI commands supported by scsi_command_name().

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-18 08:47:10 +02:00
Hu Tao 20cfe8810d exec: introduce qemu_ram_unset_idstr() to unset RAMBlock idstr
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-17 16:07:37 +02:00
Peter Maydell af44da87e9 Patch queue for ppc - 2014-06-16
This pull request brings a lot of fun things. Among others we have
 
   - e500: u-boot firmware support
   - sPAPR: magic page enablement
   - sPAPR: add "compat" CPU option to support older guests
   - sPAPR: refactorings in preparation for VFIO
   - POWER8 live migration
   - mac99: expose bus frequency
   - little endian core dump, gdb and disas support
   - new ppc64le-linux-user target
   - DFP emulation
   - bug fixes
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Merge remote-tracking branch 'remotes/agraf/tags/signed-ppc-for-upstream' into staging

Patch queue for ppc - 2014-06-16

This pull request brings a lot of fun things. Among others we have

  - e500: u-boot firmware support
  - sPAPR: magic page enablement
  - sPAPR: add "compat" CPU option to support older guests
  - sPAPR: refactorings in preparation for VFIO
  - POWER8 live migration
  - mac99: expose bus frequency
  - little endian core dump, gdb and disas support
  - new ppc64le-linux-user target
  - DFP emulation
  - bug fixes

# gpg: Signature made Mon 16 Jun 2014 12:28:32 BST using RSA key ID 03FEDC60
# gpg: Can't check signature: public key not found

* remotes/agraf/tags/signed-ppc-for-upstream: (156 commits)
  spapr_pci: Advertise MSI quota
  PPC: KVM: Make pv hcall endian agnostic
  powerpc: use float64 for frsqrte
  spapr: Add kvm-type property
  spapr: Create SPAPRMachine struct
  linux-user: Tell guest about big host page sizes
  spapr_hcall: Add address-translation-mode-on-interrupt resource in H_SET_MODE
  spapr_hcall: Split h_set_mode()
  target-ppc: Enable DABRX SPR and limit it to <=POWER7
  target-ppc: Enable PPR and VRSAVE SPRs migration
  target-ppc: Add POWER8's Event Based Branch (EBB) control SPRs
  KVM: target-ppc: Enable TM state migration
  target-ppc: Add POWER8's TM SPRs
  target-ppc: Add POWER8's MMCR2/MMCRS SPRs
  target-ppc: Enable FSCR facility check for TAR
  target-ppc: Add POWER8's FSCR SPR
  target-ppc: Add POWER8's TIR SPR
  target-ppc: Refactor class init for POWER7/8
  target-ppc: Switch POWER7/8 classes to use correct PMU SPRs
  target-ppc: Make use of gen_spr_power5p_lpar() for POWER7/8
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-06-16 18:26:21 +01:00
Badari Pulavarty 9dbae97723 spapr_pci: Advertise MSI quota
Hotplug of multiple disks fails due to MSI vector quota check.
Number of MSI vectors default to 8 allowing only 4 devices.
This happens on RHEL6.5 guest. RHEL7 and SLES11 guests fallback
to INTX.

One way to workaround the issue is to increase total MSIs,
so that MSI quota check allows us to hotplug multiple disks.

This sets the quota to the maximum number of interupts XICS has
which is 1024 now (XICS_IRQS). This moves XICS_IRQS from spapr.c
to xics.h for wider visibility.

Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com>
[aik: put XICS_IRQS=1024 instead of 64i, fixed endianness and size]
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:46 +02:00
Alexey Kardashevskiy d5ac4f5433 spapr_hcall: Add address-translation-mode-on-interrupt resource in H_SET_MODE
This adds handling of the RESOURCE_ADDR_TRANS_MODE resource from
the H_SET_MODE, for POWER8 (PowerISA 2.07) only.

This defines AIL flags for LPCR special register.

This changes @excp_prefix according to the mode, takes effect in TCG.

This turns support of a new capability PPC2_ISA207S flag for TCG.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:45 +02:00
Doug Kwan d90b94cd78 target-ppc: Support little-endian PPC64 in user mode.
Look at ELF header to determine ABI version on PPC64.  This is required
for executing the first instruction correctly.  Also print correct machine
name in uname() system call.

Signed-off-by: Doug Kwan <dougkwan@google.com>
Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:40 +02:00
Alexey Kardashevskiy 1b8eceee28 spapr_iommu: Introduce bus_offset in sPAPRTCETable
This adds @bus_offset into sPAPRTCETable to tell where TCE table starts
from. It is set to 0 for emulated devices. Dynamic DMA windows will use
other offset.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:39 +02:00
Alexey Kardashevskiy 650f33adbd spapr_iommu: Introduce page_shift in sPAPRTCETable
At the moment only 4K pages are supported by sPAPRTCETable. Since sPAPR
spec allows other page sizes and we are going to implement them, we need
page size to be configrable.

This adds @page_shift into sPAPRTCETable and replaces SPAPR_TCE_PAGE_SHIFT
with it where it is possible.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:39 +02:00
Alexey Kardashevskiy 523e7b8ab8 spapr_iommu: Get rid of window_size in sPAPRTCETable
This removes window_size as it is basically a copy of nb_table
shifted by SPAPR_TCE_PAGE_SHIFT. As new dynamic DMA windows are
going to support windows as big as the entire RAM and this number
will be bigger that 32 capacity, we will have to do something
about @window_size anyway and removal seems to be the right way to go.

This removes dma_window_start/dma_window_size from sPAPRPHBState as
they are no longer used.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:39 +02:00
Alexey Kardashevskiy e28c16f61f spapr_pci: Allow multiple TCE tables per PHB
At the moment sPAPRPHBState contains a @tcet pointer to the only
TCE table. However sPAPR spec allows having more than one DMA window.

Since the TCE object is already a child of SPAPR PHB object, there is
no need to keep an additional pointer to it in sPAPRPHBState so remove it.

This changes the way sPAPRPHBState::reset performs reset of sPAPRTCETable
objects.

This changes the default DMA window properties calculation.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:39 +02:00
Alexey Kardashevskiy cca7fad576 spapr_pci: spapr_iommu: Make DMA window a subregion
Currently the default DMA window is represented by a single MemoryRegion.
However there can be more than just one window so we need
a "root" memory region to be separated from the actual DMA window(s).

This introduces a "root" IOMMU memory region and adds a subregion for
the default DMA 32bit window. Following patches will add other
subregion(s).

This initializes a default DMA window subregion size to the guest RAM
size as this window can be switched into "bypass" mode which implements
direct DMA mapping.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:39 +02:00
Alexey Kardashevskiy da6ccee418 spapr_pci: Introduce a finish_realize() callback
The spapr-pci PHB initializes IOMMU for emulated devices only.
The upcoming VFIO support will do it different. However both emulated
and VFIO PHB types share most of the initialization code.
For the type specific things a new finish_realize() callback is
introduced.

This introduces sPAPRPHBClass derived from PCIHostBridgeClass and
adds the callback pointer.

This implements finish_realize() for emulated devices.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
[agraf: Fix compilation]
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:39 +02:00
Alexander Graf 3e300fa6ad macio ide: Do remainder access asynchronously
The macio IDE controller has some pretty nasty magic in its implementation to
allow for unaligned sector accesses. We used to handle these accesses
synchronously inside the IO callback handler.

However, the block infrastructure changed below our feet and now it's impossible
to call a synchronous block read/write from the aio callback handler of a
previous block access.

Work around that limitation by making the unaligned handling bits also go
through our asynchronous handler.

This fixes booting Mac OS X for me.

Reported-by: John Arbuckle <programmingkidx@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:38 +02:00
Alexey Kardashevskiy 2a6593cb6a spapr: Add ibm, client-architecture-support call
The PAPR+ specification defines a ibm,client-architecture-support (CAS)
RTAS call which purpose is to provide a negotiation mechanism for
the guest and the hypervisor to work out the best compatibility parameters.
During the negotiation process, the guest provides an array of various
options and capabilities which it supports, the hypervisor adjusts
the device tree and (optionally) reboots the guest.

At the moment the Linux guest calls CAS method at early boot so SLOF
gets called. SLOF allocates a memory buffer for the device tree changes
and calls a custom KVMPPC_H_CAS hypercall. QEMU parses the options,
composes a diff for the device tree, copies it to the buffer provided
by SLOF and returns to SLOF. SLOF updates the device tree and returns
control to the guest kernel. Only then the Linux guest parses the device
tree so it is possible to avoid unnecessary reboot in most cases.

The device tree diff is a header with an update format version
(defined as 1 in this patch) followed by a device tree with the properties
which require update.

If QEMU detects that it has to reboot the guest, it silently does so
as the guest expects reboot to happen because this is usual pHyp firmware
behavior.

This defines custom KVMPPC_H_CAS hypercall. The current SLOF already
has support for it.

This implements stub which returns very basic tree (root node,
no properties) to the guest.

As the return buffer does not contain any change, no change in behavior is
expected.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:37 +02:00
Bharata B Rao acb0ef5801 dump: Make DumpState and endian conversion routines available for arch-specific dump code
Make DumpState and endian conversion routines available for arch-specific dump
code by moving into dump.h. DumpState will be needed by arch-specific dump
code to access target endian information from DumpState->ArchDumpInfo. Also
break the dependency of dump.h from stubs/dump.c by creating a separate
dump-arch.h.

This patch doesn't change any functionality.

Signed-off-by: Bharata B Rao <bharata@linux.ibm.com>
[ rebased on top of current master branch,
  renamed endian helpers to cpu_to_dump{16,32,64},
  pass a DumpState * argument to endian helpers,
  Greg Kurz <gkurz@linux.vnet.ibm.com> ]
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
[agraf: fix to apply]
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:36 +02:00
Alexey Kardashevskiy 98a8b52442 spapr: Add support for time base offset migration
This allows guests to have a different timebase origin from the host.

This is needed for migration, where a guest can migrate from one host
to another and the two hosts might have a different timebase origin.
However, the timebase seen by the guest must not go backwards, and
should go forwards only by a small amount corresponding to the time
taken for the migration.

This is only supported for recent POWER hardware which has the TBU40
(timebase upper 40 bits) register. That includes POWER6, 7, 8 but not
970.

This adds kvm_access_one_reg() to access a special register which is not
in env->spr. This requires kvm_set_one_reg/kvm_get_one_reg patch.

The feature must be present in the host kernel.

This bumps vmstate_spapr::version_id and enables new vmstate_ppc_timebase
only for it. Since the vmstate_spapr::minimum_version_id remains
unchanged, migration from older QEMU is supported but without
vmstate_ppc_timebase.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:35 +02:00
Tom Musta bfd8f5b754 util: Add InvMixColumns
This patch adds the table implementation of the Advanced Encryption Standard (AES)
InvMixColumns transformation.

The patch is intentionally asymmetrical -- the MixColumns table is not added because
there is no known use for it at this time.

Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:33 +02:00
Tom Musta 1c1a6d20e0 util: Add AES ShiftRows and InvShiftRows Tables
This patch adds tables that implement the Advanced Encryption Standard (AES) ShiftRows
and InvShiftRows transformations.  These are commonly used in instruction models.

Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:33 +02:00
Tom Musta 40c84b54dd util: Add S-Box and InvS-Box Arrays to Common AES Utils
This patch adds tables for the S-Box and InvS-Box transformations commonly used by various
Advanced Encription Standard (AES) instruction models.

Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:33 +02:00
Tom Musta 79af357225 libdecnumber: Introduce decNumberIntegralToInt64
Introduce a new conversion function to the libdecnumber library.
This function converts a decNumber to a signed 64-bit integer.
In order to support 64-bit integers (which may have up to 19
decimal digits), the existing "powers of 10" array is expanded
from 10 to 19 entries.

Signed-off-by: Tom Musta <tommusta@gmail.com>
[agraf: fix 32bit host compile]
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:29 +02:00
Tom Musta 8e706db21e libdecnumber: Introduce decNumberFrom[U]Int64
Introduce two conversion functions to the libdecnumber library.
These conversions transform 64 bit integers to the internal decNumber
representation.  Both a signed and unsigned version is added.

Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:29 +02:00
Tom Musta 9b7a14b064 libdecnumber: Change gstdint.h to stdint.h
Replace the inclusion of gstdint.h with the standard stdint.h
header file.

Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:28 +02:00
Tom Musta 7275585b8c libdecnumber: Modify dconfig.h to Integrate with QEMU
Modify the dconfig.h header file so that libdecnumber code integrates QEMU
configuration.   Specifically:

  - the WORDS_BIGENDIAN preprocessor macro is used in libdecnumber code to
    determines endianness.  It is derived from the existing QEMU macro
    HOST_WORDS_BIGENDIAN which is defined in config-host.h.

  - the DECPUN macro determines the number of decimal digits (aka declets) per
    unit (byte).  This is 3 for PowerPC DFP.

Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:28 +02:00
Tom Musta 0f2d373220 libdecnumber: Prepare libdecnumber for QEMU include structure
Consistent with other libraries in QEMU, the libdecnumber header files were
placed in include/libdecnumber, separate from the C code.  This is different
from the original libdecnumber source, where they were co-located.

Change the libdecnumber source code so that it reflects this split.  Specifically,
modify directives of the form:

    #include "xxx.h"

to look like:

    #include "libdecnumber/xxx.h"

Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:28 +02:00
Tom Musta f5d7f14646 libdecnumber: Eliminate #include *Symbols.h
The various *Symbols.h files were not copied from the original GCC libdecnumber
library; they are not necessary for use in QEMU.  Remove all instances of

    #include "*Symbols.h"

Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:28 +02:00
Tom Musta 72ac97cdfc libdecnumber: Introduce libdecnumber Code
Add files from the libdecnumber decimal floating point library to QEMU.  The libdecnumber
library was originally part of GCC and contains code that is useful in emulating the PowerPC
decimal floating point (DFP) instructions.  This particular copy of the source comes from
GCC 4.3 and is licensed at GPLv2+.

Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:28 +02:00
BALATON Zoltan 9d1c128341 mac99: Added FW_CFG_PPC_BUSFREQ to match CLOCKFREQ and TBFREQ already there
While there, also moved the hard coded value for CLOCKFREQ to a #define.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:28 +02:00
Chunyan Liu 98d896d978 QemuOpts: cleanup tmp 'allocated' member from QemuOptsList
Now only qemu_opts_append uses 'allocated' to indicate free memory.
For this function only, we can also let result list's (const char *)
members point to input list's members, only if the input list has
longer lifetime than result list. In current code, that is true.
So, we can remove the 'allocated' member from QemuOptsList definition
to keep code clean.

Signed-off-by: Chunyan Liu <cyliu@suse.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-06-16 17:23:21 +08:00
Chunyan Liu c282e1fdf7 cleanup QEMUOptionParameter
Now that all backend drivers are using QemuOpts, remove all
QEMUOptionParameter related codes.

Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Chunyan Liu <cyliu@suse.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-06-16 17:23:21 +08:00
Chunyan Liu 74c3c19765 QemuOpts: export qemu_opt_find
Export qemu_opt_find for qcow2 driver using it.
After replacing QEMUOptionParameter with QemuOpts, qcow2 driver will
use qemu_opt_find to judge if an option is explicitly set, to replace
the usage of .assigned in QEMUOptionParameter.

Signed-off-by: Chunyan Liu <cyliu@suse.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-06-16 17:23:21 +08:00
Chunyan Liu 83d0521a1e change block layer to support both QemuOpts and QEMUOptionParamter
Change block layer to support both QemuOpts and QEMUOptionParameter.
After this patch, it will change backend drivers one by one. At the end,
QEMUOptionParameter will be removed and only QemuOpts is kept.

Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Chunyan Liu <cyliu@suse.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-06-16 17:23:20 +08:00
Chunyan Liu a1097a2614 QemuOpts: add qemu_opts_append to replace append_option_parameters
For later merge .create_opts of drv and proto_drv in qemu-img commands.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Leandro Dorileo <l@dorileo.org>
Signed-off-by: Chunyan Liu <cyliu@suse.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-06-16 17:23:20 +08:00
Chunyan Liu 8559e45e51 QemuOpts: add conversion between QEMUOptionParameter to QemuOpts
Add two temp conversion functions between QEMUOptionParameter to QemuOpts,
so that next patch can use it. It will simplify later patch for easier
review. And will be finally removed after all backend drivers switch to
QemuOpts.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Leandro Dorileo <l@dorileo.org>
Signed-off-by: Chunyan Liu <cyliu@suse.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-06-16 17:23:20 +08:00
Chunyan Liu 504189a96f QemuOpts: add qemu_opts_print_help to replace print_option_help
print_option_help takes QEMUOptionParameter as parameter, add
qemu_opts_print_help to take QemuOptsList as parameter for later
replace work.

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Leandro Dorileo <l@dorileo.org>
Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Chunyan Liu <cyliu@suse.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-06-16 17:23:20 +08:00
Chunyan Liu 782730b0bc QemuOpts: add qemu_opt_get_*_del functions for replace work
Add qemu_opt_get_del, qemu_opt_get_bool_del, qemu_opt_get_number_del and
qemu_opt_get_size_del to replace the same handling of QEMUOptionParameter
(get and delete).

Several drivers are coded to parse a known subset of options, then
remove them from the list before handing all remaining options to a
second driver for further option processing.  get_*_del makes it easier
to retrieve a known option (or its default) and remove it from the list
all in one action.

Share common helper function:

For qemu_opt_get_bool/size/number, they and their get_*_del counterpart
could share most of the code except whether or not deleting the opt from
option list, so generate common helper functions.

For qemu_opt_get and qemu_opt_get_del, keep code duplication, since
1. qemu_opt_get_del returns malloc'd memory while qemu_opt_get returns
in-place memory
2. qemu_opt_get_del returns (char *), qemu_opt_get returns (const char *),
and could not change to (char *), since in one case, it will return
desc->def_value_str, which is (const char *).

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Chunyan Liu <cyliu@suse.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-06-16 17:23:20 +08:00
Chunyan Liu dc8622f2bf QemuOpts: change opt->name|str from (const char *) to (char *)
qemu_opt_del() already assumes that all QemuOpt instances contain
malloc'd name and value; but it had to cast away const because
opts_start_struct() was doing its own thing and using static storage
instead.  By using the correct type and malloced strings everywhere, the
usage of this struct becomes clearer.

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Leandro Dorileo <l@dorileo.org>
Signed-off-by: Chunyan Liu <cyliu@suse.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-06-16 17:23:20 +08:00
Chunyan Liu 09722032e1 QemuOpts: add def_value_str to QemuOptDesc
Add def_value_str (default value) to QemuOptDesc, to replace function of the
default value in QEMUOptionParameter.

Improve qemu_opts_get_* functions: if find opt, return opt->str; otherwise,
if desc->def_value_str is set, return desc->def_value_str; otherwise, return
input defval.

Improve qemu_opts_print: if option is set, print opt->str; otherwise, if
desc->def_value_str is set, print it.

Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Chunyan Liu <cyliu@suse.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-06-16 17:23:20 +08:00
Chunyan Liu e67905426b QemuOpts: repurpose qemu_opts_print to replace print_option_parameters
Currently this function is not used anywhere. In later patches, it will
replace print_option_parameters. To avoid print info changes, change
qemu_opts_print from fprintf stderr to printf, and remove last printf.

Signed-off-by: Chunyan Liu <cyliu@suse.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-06-16 17:23:19 +08:00
Markus Armbruster ae60e8e378 blockdev: Remove unused DriveInfo reference count
It's always one since commit fa510eb dropped the last drive_get_ref().

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-06-16 17:23:19 +08:00
Markus Armbruster 60e19e06a4 blockdev: Rename drive_init(), drive_uninit() to drive_new(), drive_del()
"Init" and "uninit" suggest the functions don't allocate / free
storage.  But they do.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-06-16 17:23:19 +08:00
Gerd Hoffmann 5643fc012c spice: add mouse cursor support
So you'll have a mouse pointer when running non-qxl gfx cards with
mouse pointer support (virtio-gpu, IIRC vmware too).

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-06-13 12:34:57 +02:00
Peter Maydell 05fedeef83 Merge remote-tracking branch 'remotes/qmp-unstable/queue/qmp' into staging
* remotes/qmp-unstable/queue/qmp:
  json-parser: drop superfluous assignment for token variable
  readline: Clear screen on form feed.
  monitor: Add delvm and loadvm argument completion
  monitor: Add host_net_remove arguments completion
  readline: Make completion strings always unique
  monitor: Add host_net_add device argument completion
  net: Export valid host network devices list
  monitor: Add migrate_set_capability completion
  monitor: Add watchdog_action argument completion
  monitor: Add ringbuf_write and ringbuf_read argument completion
  dump: simplify get_len_buf_out()
  dump: hoist lzo_init() from get_len_buf_out() to dump_init()
  dump: select header bitness based on ELF class, not ELF architecture
  dump: eliminate DumpState.page_size ("guest's page size")
  dump: eliminate DumpState.page_shift ("guest's page shift")
  dump: simplify write_start_flat_header()
  dump: fill in the flat header signature more pleasingly to the eye

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-06-11 21:34:08 +01:00
Peter Maydell 706808585a bsd-user queue:
* build fixes
  * improvements to strace
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-bsd-user-20140611' into staging

bsd-user queue:
 * build fixes
 * improvements to strace

# gpg: Signature made Wed 11 Jun 2014 15:23:40 BST using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"

* remotes/pmaydell/tags/pull-bsd-user-20140611:
  bsd-user: Fix syscall format, add strace support for more syscalls
  bsd-user: Implement strace support for thr_* syscalls
  bsd-user: Implement strace support for extattr_* syscalls
  bsd-user: Implement strace support for __acl_* syscalls
  bsd-user: Implement strace support for print_ioctl syscall
  bsd-user: Implement strace support for print_sysctl syscall
  bsd-user: GPL v2 attribution update and style
  bsd-user: add HOST_VARIANT_DIR for various *BSD dependent code
  exec: replace ffsl with ctzl
  vhost: replace ffsl with ctzl
  xen: replace ffsl with ctzl
  util/qemu-openpty: fix build with musl libc by include termios.h as fallback
  bsd-user/mmap.c: Don't try to override g_malloc/g_free
  util/hbitmap.c: Use ctpopl rather than reimplementing a local equivalent
  bsd-user: refresh freebsd system call numbers

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-06-11 18:05:21 +01:00
Hani Benhabiles 84007e8181 net: Export valid host network devices list
Signed-off-by: Hani Benhabiles <hani@linux.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-06-11 10:10:29 -04:00
Hani Benhabiles 8e5977797d monitor: Add ringbuf_write and ringbuf_read argument completion
Export chr_is_ringbuf() function. Also remove left-over function prototypes
while at it.

Signed-off-by: Hani Benhabiles <hani@linux.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-06-11 10:10:28 -04:00
Laszlo Ersek 22227f121b dump: eliminate DumpState.page_shift ("guest's page shift")
Just use TARGET_PAGE_BITS.

"DumpState.page_shift" used to have type "uint32_t", while the replacement
TARGET_PAGE_BITS has type "int". Since "DumpState.page_shift" was only
used as bit shift counts in the paddr_to_pfn() and pfn_to_paddr() macros,
this is safe.

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-06-11 10:10:28 -04:00
Natanael Copa 7224f66ec3 exec: replace ffsl with ctzl
See commit fbeadf50 (bitops: unify bitops_ffsl with the one in
host-utils.h, call it bitops_ctzl) on why ctzl should be used instead
of ffsl.

This is also needed for musl libc which does not implement ffsl.

Signed-off-by: Natanael Copa <ncopa@alpinelinux.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-06-11 00:25:06 +01:00
Michael Tokarev 86946a2d83 glib-compat.h: add new thread API emulation on top of pre-2.31 API
Thread API changed in glib-2.31 significantly.  Before that version,
conditionals and mutexes were only allocated dynamically, using
_new()/_free() interface.  in 2.31 and up, they're allocated statically
as regular variables, and old interface is deprecated.

(Note: glib docs says the new interface is available since version
2.32, but it was actually introduced in version 2.31).

Create the new interface using old primitives, by providing non-opaque
definitions of the base types (GCond and GMutex) using GOnces.

Replace #ifdeffery around GCond and GMutex in trace/simple.c and
coroutine-gthread.c too because it does not work anymore with the new
glib-compat.h.

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
[Use GOnce to support lazy initialization; introduce CompatGMutex
 and CompatGCond.  - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-10 07:44:01 +02:00
Peter Maydell 5dfc05cb1d Block pull request
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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

Block pull request

# gpg: Signature made Fri 06 Jun 2014 17:08:50 BST using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"

* remotes/stefanha/tags/block-pull-request: (42 commits)
  qapi: Extract qapi/block.json definitions
  qapi: Extract qapi/block-core.json definitions
  qapi: create two block related json modules
  qapi: Extract qapi/common.json definitions
  sheepdog: reload only header in a case of live snapshot
  sheepdog: fix vdi object update after live snapshot
  rbd: Fix leaks in rbd_start_aio() error path
  qemu-img: Document check exit codes
  block: fix wrong order in live block migration setup
  blockdev: acquire AioContext in block_set_io_throttle
  throttle: add detach/attach test case
  throttle: add throttle_detach/attach_aio_context()
  dataplane: Support VIRTIO_BLK_T_SCSI_CMD
  virtio-blk: Factor out virtio_blk_handle_scsi_req from virtio_blk_handle_scsi
  virtio-blk: Allow config-wce in dataplane
  block: Move declaration of bdrv_get_aio_context to block.h
  raw-posix: drop raw_get_aio_fd() since it is no longer used
  dataplane: implement async flush
  dataplane: delete IOQueue since it is no longer used
  dataplane: use the QEMU block layer for I/O
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-06-09 11:54:22 +01:00
Peter Maydell 26edf8cc08 pc,pci,virtio,qdev fixes, tests
new tests for SMBIOS
 SMBIOS fixes
 pc, pci fixes
 qdev patches stayed on list for a month with no review,
 as I told people on KVM forum I'm merging stuch patches
 if they look fine.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc,pci,virtio,qdev fixes, tests

new tests for SMBIOS
SMBIOS fixes
pc, pci fixes
qdev patches stayed on list for a month with no review,
as I told people on KVM forum I'm merging stuch patches
if they look fine.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

* remotes/mst/tags/for_upstream:
  qdev: Add test of qdev_prop_check_global
  qdev: Display warning about unused -global
  tests: add smbios testing
  tests: rename acpi-test to bios-tables-test
  virtio-balloon: return empty data when no stats are available
  pcie_host: Turn pcie_host_init() into an instance_init
  SMBIOS: Fix type 17 field sizes
  SMBIOS: Update Type 0 struct generator for machines >= 2.1
  SMBIOS: Fix endian-ness when populating multi-byte fields
  serial-pci: Set prog interface field of pci config to 16550 compatible

Conflicts:
	include/hw/i386/pc.h
[PMM: fixed trivial conflict in pc.h]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-06-05 21:52:37 +01:00
Peter Maydell 31e25e3e57 Merge remote-tracking branch 'remotes/bonzini/softmmu-smap' into staging
* remotes/bonzini/softmmu-smap: (33 commits)
  target-i386: cleanup x86_cpu_get_phys_page_debug
  target-i386: fix protection bits in the TLB for SMEP
  target-i386: support long addresses for 4MB pages (PSE-36)
  target-i386: raise page fault for reserved bits in large pages
  target-i386: unify reserved bits and NX bit check
  target-i386: simplify pte/vaddr calculation
  target-i386: raise page fault for reserved physical address bits
  target-i386: test reserved PS bit on PML4Es
  target-i386: set correct error code for reserved bit access
  target-i386: introduce support for 1 GB pages
  target-i386: introduce do_check_protect label
  target-i386: tweak handling of PG_NX_MASK
  target-i386: commonize checks for PAE and non-PAE
  target-i386: commonize checks for 4MB and 4KB pages
  target-i386: commonize checks for 2MB and 4KB pages
  target-i386: fix coding standards in x86_cpu_handle_mmu_fault
  target-i386: simplify SMAP handling in MMU_KSMAP_IDX
  target-i386: fix kernel accesses with SMAP and CPL = 3
  target-i386: move check_io helpers to seg_helper.c
  target-i386: rename KSMAP to KNOSMAP
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-06-05 21:06:14 +01:00
Don Slutz 9f9260a3be qdev: Display warning about unused -global
This can help a user understand why -global was ignored.

For example: with "-vga cirrus"; "-global vga.vgamem_mb=16" is just
ignored when "-global cirrus-vga.vgamem_mb=16" is not.

This is currently clear when the wrong property is provided:

out/x86_64-softmmu/qemu-system-x86_64 -global cirrus-vga.vram_size_mb=16 -monitor pty -vga cirrus
char device redirected to /dev/pts/20 (label compat_monitor0)
qemu-system-x86_64: Property '.vram_size_mb' not found
Aborted (core dumped)

vs

out/x86_64-softmmu/qemu-system-x86_64 -global vga.vram_size_mb=16 -monitor pty -vga cirrus
char device redirected to /dev/pts/20 (label compat_monitor0)
VNC server running on `::1:5900'
^Cqemu: terminating on signal 2

Signed-off-by: Don Slutz <dslutz@verizon.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-05 19:20:37 +03:00