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* stefanha/net:
net: add the support for -netdev socket, listen
net: fix the coding style
hub: add the support for hub own flow control
net: determine if packets can be sent before net queue deliver packets
net: cleanup deliver/deliver_iov func pointers
net: Make "info network" output more readable info
net: Rename qemu_del_vlan_client() to qemu_del_net_client()
net: Rename vc local variables to nc
net: Rename VLANClientState to NetClientState
net: Rename non_vlan_clients to net_clients
net: Remove VLANState
net: Remove vlan code from net.c
net: Convert qdev_prop_vlan to peer with hub
net: Drop vlan argument to qemu_new_net_client()
hub: Check that hubs are configured correctly
net: Look up 'vlan' net clients using hubs
net: Use hubs for the vlan feature
net: Add a hub net client
net: Add interface to bridge when SIOCBRADDIF isn't available
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* aneesh/for-upstream:
hw/9pfs: Fix assert when disabling migration
configure: Fix build with capabilities
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For command line options which permit '?' meaning 'please list the
permitted values', add support for 'help' as a synonym, by abstracting
the check out into a helper function.
This change means that in some cases where we were being lazy in
our string parsing, "?junk" will now be rejected as an invalid option
rather than being (undocumentedly) treated the same way as "?".
Update the documentation to use 'help' rather than '?', since '?'
is a shell metacharacter and thus prone to fail confusingly if there
is a single character filename in the current working directory and
the '?' has not been escaped. It's therefore better to steer users
towards 'help', though '?' is retained for backwards compatibility.
We do not, however, update the output of the system emulator's -help
(or any documentation autogenerated from the qemu-options.hx which
is the source of the -help text) because libvirt parses our -help
output and will break. At a later date when QEMU provides a better
interface so libvirt can avoid having to do this, we can update the
-help text too.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Moving reset callback into cpu object from board level and
resetting cpu at the end of x86_cpu_realize() will allow properly
create cpu object during run-time (hotplug) without calling reset externaly.
When reset over QOM hierarchy is implemented, reset callback
should be removed.
v2:
- leave cpu_reset in pc_new_cpu() for now, it's to be cleaned up when APIC
init is moved in cpu.c
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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MP initialization protocol differs between cpu families, and for P6 and
onward models it is up to CPU to decide if it will be BSP using this
protocol, so try to model this. However there is no point in implementing
MP initialization protocol in qemu. Thus first CPU is always marked as BSP.
This patch:
- moves decision to designate BSP from board into cpu, making cpu
self-sufficient in this regard. Later it will allow to cleanup hw/pc.c
and remove cpu_reset and wrappers from there.
- stores flag that CPU is BSP in IA32_APIC_BASE to model behavior
described in Inted SDM vol 3a part 1 chapter 8.4.1
- uses MSR_IA32_APICBASE_BSP flag in apic_base for checking if cpu is BSP
patch is based on Jan Kiszka's proposal:
http://thread.gmane.org/gmane.comp.emulators.qemu/100806
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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xen_pt_unregister_device is used as PCIUnregisterFunc, so it should
match the type.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Another step in moving the vlan feature out of net core. Users only
deal with NetClientState and therefore qemu_del_vlan_client() should be
named qemu_del_net_client().
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
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Now that VLANClientState has been renamed to NetClientState all 'vc'
local variables should be 'nc'. Much of the code already used 'nc' but
there are places where 'vc' needs to be renamed.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
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The vlan feature is no longer part of net core. Rename VLANClientState
to NetClientState because net clients are not explicitly associated with
a vlan at all, instead they have a peer net client to which they are
connected.
This patch is a mechanical search-and-replace except for a few
whitespace fixups where changing VLANClientState to NetClientState
misaligned whitespace.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
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VLANState is no longer used and can be removed.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
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The vlan implementation in net.c has been replaced by hubs so we can
remove the code.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
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Instead of using VLANState use net/hub.h to support the vlan qdev
property. The vlan qdev property becomes an alias for the peer qdev
property but is represented as a VLAN ID number. When a VLAN ID is
selected the device will really peer with a hub port.
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
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For 9p we can get the attach request multiple times for the
same export. So don't adding migration blocker for every
attach request.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
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* mst/tags/for_anthony:
msi/msix: added API to set MSI message address and data
pci: Add INTx routing notifier
pci: Add pci_device_route_intx_to_irq
pci: Unregister BARs before device exit
pci: convert PCIUnregisterFunc to void
msix: Switch msix_uninit to return void
msix: Allow full specification of MSIX layout
msix: Split PBA into it's own MemoryRegion
msix: Note endian TODO item
msix: Move msix_mmio_read
virtio: Convert to msix_init_exclusive_bar() interface
ivshmem: Convert to msix_init_exclusive_bar() interface
msix: Add simple BAR allocation MSIX setup functions
msix: fix PCIDevice naming inconsistency
msix: drop unused msix_bar_size, require valid bar_size
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* bonzini/scsi-next: (32 commits)
virtio-scsi: enable MSI-X support
virtio-scsi: add ioeventfd support
virtio-scsi: report parameter change events
virtio-scsi: do not report dropped events after reset
virtio-scsi: Report missed events
virtio-scsi: Implement hotplug support for virtio-scsi
scsi: report parameter changes to HBA drivers
scsi-disk: report resized disk via sense codes
scsi: establish precedence levels for unit attention
scsi: introduce hotplug() and hot_unplug() interfaces for SCSI bus
scsi: add tracepoint for scsi_req_cancel
scsi-disk: removable hard disks support load/eject
scsi-disk: Fail medium writes with proper sense for readonly LUNs
scsi-disk: improve the lba-out-of-range tests for read/write/verify
scsi-disk: rd/wr/vr-protect !=0 is an error
scsi-disk: support toggling the write cache
scsi-disk: parse MODE SELECT commands and parameters
scsi-disk: fix changeable values for MODE_PAGE_R_W_ERROR
scsi-disk: adjust offsets in MODE SENSE by 2
scsi-disk: support emulated TO_DEV requests
...
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Merge master and pci branch, resolve build breakage in hw/esp.c
introduced by f90c2bcd.
Conflicts:
hw/esp.c
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It's silly and non-conforming to standards to return void,
don't do it.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Drop a duplicate definition of the 'disabled' property from
the escc qdev property list: this redefinition is currently
effectively ignored but will become an error. (The duplication
was inadvertently introduced in 2009 in commit ec02f7dec2.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Add a IIS dummy board.
Signed-off-by: Jia Liu <proljc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Add OpenRISC timer support.
Signed-off-by: Jia Liu <proljc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Add OpenRISC Programmable Interrupt Controller support.
Signed-off-by: Jia Liu <proljc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Add OpenRISC target stubs, QOM cpu and basic machine.
Signed-off-by: Jia Liu <proljc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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While virtio-scsi does support multiqueue, the default number of
interrupt vectors is not enough to actually enable usage of
multiple queues in the driver; this is because with only 2
vectors the driver will not be able to use a separate
interrupt for each request queue. Derive the desired number
of vectors from the number of request queues.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Probably due to bad merge months ago, virtio-scsi-pci did not have
ioeventfd support. Fix this and enable it by default, as is the
case for other virtio-pci devices.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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When an event is reported but no buffers are present in the event vq,
we can set a flag and report a dummy event as soon as one is added.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Implement the hotplug() and hot_unplug() interfaces in virtio-scsi, by signal
the virtio_scsi.ko in guest kernel via event virtual queue.
The counterpart patch of virtio_scsi.ko will be sent soon in another thread.
Signed-off-by: Sen Wang <senwang@linux.vnet.ibm.com>
Signed-off-by: Cong Meng <mc@linux.vnet.ibm.com>
[ Add memset, fix LUN field, placate checkpatch - Paolo ]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Linux will not use these, but a very similar mechanism will be used to
report the condition via virtio-scsi events.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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When a device is resized, we will report a unit attention condition
for CAPACITY DATA HAS CHANGED. However, we should ensure that this
condition does not override a more important unit attention condition.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Add two interfaces hotplug() and hot_unplug() to scsi bus info.
The scsi bus can implement these two interfaces to signal the HBA driver
of guest kernel to add/remove the scsi device in question.
Signed-off-by: Sen Wang <senwang@linux.vnet.ibm.com>
Signed-off-by: Cong Meng <mc@linux.vnet.ibm.com>
[ Fixed braces and indentation - Paolo ]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Support for the LOEJ bit of the START/STOP UNIT command right now is
limited to CD-ROMs. This is wrong, since removable hard disks (in the
real world: SD card readers) also support it in pretty much the same way.
Without the LOEJ bit, START/STOP UNIT does nothing for all devices.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Add sense code for DATA_PROTECT/WRITE_PROTECTED and return this error
for any WRITE*/WRITE_VERIFY* calls if the device is readonly=on,
i.e. write-protected
Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Improve the tests for the LBA to cover more cases.
For the 16 byte opcodes, the lba is a uint64, so we need to check is to
make sure that we do not wrap. For example if an opcode would specify
the LBA:0xffffffffffffffff and LEN:2 then lba+len would wrap to 1.
Also verify that ALL requested blocks are available, not just the first one.
Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The QEMU SCSI emulation does not support protection information,
so any READ/WRITE/VERIFY commands that has the protect bits set to
non-zero should fail with ILLEGAL_REQUEST/INVALID_FIELD_IN_CDB
From SCSI SBC :
If the logical unit does not support protection information,
then the device server should terminate the command with CHECK CONDITION
status with the sense key set to ILLEGAL REQUEST and the additional sense
code set to INVALID FIELD IN CDB.
Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
[ Rebase after scsi_dma_reqops introduction - Paolo ]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Finally, this uses the "plumbing" in the previous patch to
add support for toggling the WCE bit of the caching mode page.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This adds the bulk of the parsing code for MODE SELECT, including
breaking out changes to different mode pages, and checking that only
changeable values are modified.
In order to report errors correctly two passes are made through the
parameters; the first only looks for errors, the second actually
applies the changes to the mode page.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The changeable values were not all-zeros for this mode page, fix it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This will make offsets the same when implementing MODE SELECT. This is
because MODE SELECT has to deal with both 2-byte and 4-byte headers.
Unfortunately, this means that the offsets are now off by two compared
to the descriptions in the SCSI specs, which include the header.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This adds the implementation of write_data for the emulated
command case. The first time through it asks for more data,
the second time it finishes the processing of the command.
MODE SELECT and MODE SELECT(10) can now be re-enabled, but they
will not do much.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The previous patch only separated the send_command callback.
Use different implementations also for read_data and write_data.
The latter is still unreachable, so it aborts for now.
read_data passes the data buffer that was prepared and completes
the command.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Only checks for present medium were still done in scsi_send_command
for emulated commands. So move those to scsi_disk_emulate_command
and return different SCSIReqOps depending on the kind of command.
Checks for present medium can be done unconditionally for the
scsi_disk_dma_reqops case.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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We want to use separate SCSIReqOps for emulated commands needing an
allocated buffer vs. those that are zerocopy when the HBA supports
S/G lists. Ensure that all of the former are in scsi_disk_emulate_command.
Commands that do not have any parameters are more similar to emulated
commands, so also move them, even if they do I/O.
Finally, MODE SELECT and MODE SELECT(10) are broken because we do not
yet support passing parameter data _to_ emulated commands, so disable
them.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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By making discard asynchronous, we can reuse all the error handling
code that is used for other commands.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This patch adds two new properties vendor and product to SCSI disks.
These options let the user customize the inquiry data returned by the
disk.
Signed-off-by: Yan Vugenfirer <yan@ravellosystems.com>
Signed-off-by: Dmitry Fleytman <dmitry.fleytman@ravellosystems.com>
[ Use vendor and product property names, avoid "if" statements. - PB ]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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scsi-block is a passthrough device and does not allow customization
of vendor, product, removable, DPOFUA, block size or any other piece of
information. Thus, drop DEFINE_SCSI_DISK_PROPERTIES() from the
list of qdev properties.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Simplify the code by checking against req->hba_private directly,
and asserting that it is non-NULL before a command is completed
or canceled.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Split the common bits of lsi_request_cancelled and lsi_command_complete
out to a new function.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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