Anthony Liguori [Mon, 31 Oct 2011 16:09:00 +0000 (11:09 -0500)]
Merge remote-tracking branch 'kwolf/for-anthony' into staging
Conflicts:
block/vmdk.c
Anthony Liguori [Mon, 31 Oct 2011 16:06:02 +0000 (11:06 -0500)]
Merge remote-tracking branch 'aneesh/for-upstream-7' into staging
Anthony Liguori [Mon, 31 Oct 2011 16:02:29 +0000 (11:02 -0500)]
Merge remote-tracking branch 'qmp/queue/qmp' into staging
Conflicts:
ui/spice-core.c
Anthony Liguori [Mon, 31 Oct 2011 16:00:27 +0000 (11:00 -0500)]
Merge remote-tracking branch 'qemu-kvm-tmp/uq/master' into staging
Anthony Liguori [Mon, 31 Oct 2011 15:23:15 +0000 (10:23 -0500)]
Merge remote-tracking branch 'stefanha/trivial-patches' into staging
Anthony Liguori [Mon, 31 Oct 2011 15:14:06 +0000 (10:14 -0500)]
Merge remote-tracking branch 'alon/pull-libcacard-assert' into staging
Anthony Liguori [Mon, 31 Oct 2011 15:12:14 +0000 (10:12 -0500)]
Merge remote-tracking branch 'spice/spice.v45' into staging
Harsh Prateek Bora [Thu, 13 Oct 2011 20:35:02 +0000 (02:05 +0530)]
hw/9pfs: Replace rwlocks with RCU variants of interfaces.
Use QLIST_INSERT_HEAD_RCU and rcu_read_lock/unlock instead of rwlocks.
Use v9fs_synth_mutex as a write-only mutex to handle concurrent writers.
Signed-off-by: Harsh Prateek Bora <harsh@linux.vnet.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Harsh Prateek Bora [Tue, 25 Oct 2011 06:40:40 +0000 (12:10 +0530)]
qemu-queue: Introduce QLIST_INSERT_HEAD_RCU and dummy RCU wrappers.
SynthFS needs a QLIST_INSERT_HEAD_RCU to make sure list instructions are not
re-ordered and therefore avoiding a crash. There may be parallel readers which
should be allowed for lock-free access and this variant allows us to get rid
of rwlocks used by readers.
SynthFS is a special case where we dont really need full RCU capabilities as
it doesnt allow list entry deletion but concurrent readers/writers and
instruction re-ordering should not result in a crash.
Also, once the real rcu is available, dummy rcu macro definitions will go away
and the code will still work as expected.
This patchwork is based on inputs from Paolo Bonzini.
Signed-off-by: Harsh Prateek Bora <harsh@linux.vnet.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Aneesh Kumar K.V [Tue, 25 Oct 2011 06:40:40 +0000 (12:10 +0530)]
hw/9pfs: Add synthetic file system support using 9p
This patch create a synthetic file system with mount tag
v_synth when -virtfs_synth command line option is specified
in qemu. The synthetic file system can be mounted in guest
using 9p using the below command line
mount -t 9p -oversion=9p2000.L,trans=virtio v_synth <mountpint>
Synthetic file system enabled different qemu subsystem to register
callbacks for read and write events from guest. The subsystem
can create directories and files in the synthetic file system as show
in ex below
qemu_v9fs_synth_mkdir(NULL, 0777, "test2", &node);
qemu_v9fs_synth_add_file(node, 0777, "testfile",
my_test_read, NULL, NULL);
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Aneesh Kumar K.V [Tue, 25 Oct 2011 06:40:40 +0000 (12:10 +0530)]
hw/9pfs: Abstract open state of fid to V9fsFidOpenState
To implement synthetic file system in Qemu we may not really
require file descriptor and Dir *. Make generic code use
V9fsFidOpenState instead.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
M. Mohan Kumar [Tue, 25 Oct 2011 06:40:39 +0000 (12:10 +0530)]
hw/9pfs: Read-only support for 9p export
A new fsdev parameter "readonly" is introduced to control accessing 9p export.
"readonly" can be used to specify the access type. By default "rw" access
is given to 9p export.
Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
M. Mohan Kumar [Tue, 25 Oct 2011 06:40:39 +0000 (12:10 +0530)]
qemu: Add opt_set_bool functionality
Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Aneesh Kumar K.V [Tue, 25 Oct 2011 06:40:39 +0000 (12:10 +0530)]
configure: Update configure so that open_by_handle_at check returns correct value
According to David Gibson for some compiler/libc combinations, open_by_handle_at
test in configure isn't quite right: because the file_handle pointer is never
dereferenced, gcc doesn't complain even if it is undefined. Change the test
as suggested by him.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Aneesh Kumar K.V [Tue, 25 Oct 2011 06:40:39 +0000 (12:10 +0530)]
hw/9pfs: Fix error handling in local_mknod
Update local_chown to remove unnecessary if loop
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Peter Maydell [Fri, 28 Oct 2011 09:55:38 +0000 (10:55 +0100)]
hw/vexpress.c, hw/realview.c: Add PL041 to VExpress, Realview boards
Instantiate the PL041 audio on the Versatile Express and
Realview board models.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
Mathieu Sonet [Fri, 28 Oct 2011 09:55:37 +0000 (10:55 +0100)]
Add AACI audio playback support to the ARM Versatile/PB platform
This driver emulates the ARM AACI interface (PL041) connected to a LM4549 codec.
It enables audio playback for the Versatile/PB platform.
Limitations:
- Supports only a playback on one channel (Versatile/Vexpress)
- Supports only one TX FIFO in compact-mode or non-compact mode.
- Supports playback of 12, 16, 18 and 20 bits samples.
- Record is not supported.
- The PL041 is hardwired to a LM4549 codec.
Versatile/PB test build:
linux-2.6.38.5
buildroot-2010.11
alsa-lib-1.0.22
alsa-utils-1.0.22
mpg123-0.66
Qemu host: Ubuntu 10.04 in Vmware/OS X
Playback tested successfully with speaker-test/aplay/mpg123.
Signed-off-by: Mathieu Sonet <contact@elasticsheep.com>
[Peter Maydell: fixed typo in code clearing SL1RXBUSY/SL2RXBUSY
bits, as spotted by Andrzej Zaborowski]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
Max Filippov [Thu, 27 Oct 2011 22:11:05 +0000 (02:11 +0400)]
MAINTAINERS: update wiki URL and machine names for target-xtensa
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Richard Henderson [Thu, 27 Oct 2011 21:15:00 +0000 (14:15 -0700)]
tcg: Optimize some forms of deposit.
If the deposit replaces the entire word, optimize to a move.
If we're inserting to the top of the word, avoid the mask of arg2
as we'll be shifting out all of the garbage and shifting in zeros.
If the host is 32-bit, reduce a 64-bit deposit to a 32-bit deposit
when possible.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Aneesh Kumar K.V [Mon, 24 Oct 2011 09:39:49 +0000 (15:09 +0530)]
hw/9pfs: Make VirtFS tracing work correctly
this patch fix multiple issues with VirtFS tracing.
a) Add tracepoint to the correct code path. We handle error in complete_pdu
b) Fix indentation in python script
c) Fix variable naming issue in python script
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Stefan Weil [Sun, 23 Oct 2011 06:19:10 +0000 (08:19 +0200)]
exec-all: Fix void pointer arithmetic
Adding an offset to a void pointer works with gcc but is not allowed
by the current C standards. With -pedantic, gcc complains:
exec-all.h:344: error: pointer of type ‘void *’ used in arithmetic
Fix this, and also replace (unsigned long) by (uintptr_t) in the same
statement.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
David Gibson [Thu, 20 Oct 2011 00:41:01 +0000 (11:41 +1100)]
Add linux-headers/asm to .gitignore
linux-headers/asm is a symlink generated during configure. It should not,
therefore be committed to git, nor show up in git diffs and the like.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Paolo Bonzini [Tue, 25 Oct 2011 10:53:37 +0000 (12:53 +0200)]
scsi-disk: add scsi-block for device passthrough
scsi-block is a new device that supports device passthrough of Linux
block devices (i.e. /dev/sda, not /dev/sg0). It uses SG_IO for commands
other than I/O commands, and regular AIO read/writes for I/O commands.
Besides being simpler to configure (no mapping required to scsi-generic
device names), this removes the need for a large bounce buffer and,
in the future, will get scatter/gather support for free from scsi-disk.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Tue, 25 Oct 2011 10:53:36 +0000 (12:53 +0200)]
scsi: push request restart to SCSIDevice
The request restart mechanism is generic and could be reused for
scsi-generic. In the meanwhile, pushing it to SCSIDevice avoids
that scsi_dma_restart_bh looks at SCSIGenericReqs when working on
a scsi-block device.
The code is the same that is already in hw/scsi-disk.c, with
the type flags replaced by req->cmd.mode and a more generic way to
requeue SCSI_XFER_NONE commands.
I also added a missing call to qemu_del_vm_change_state_handler.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Tue, 25 Oct 2011 10:53:35 +0000 (12:53 +0200)]
scsi-generic: bump SCSIRequest reference count until aio completion runs
Same as before, but for scsi-generic.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Tue, 25 Oct 2011 10:53:34 +0000 (12:53 +0200)]
scsi-disk: bump SCSIRequest reference count until aio completion runs
In some cases a request may be canceled before the completion callback
runs. Keep a reference to the request between starting an AIO operation
and the corresponding scsi_req_cancel or scsi_*_complete.
When a request has to be retried, the request can be dropped because
scsi_dma_restart_bh only looks at requests that are enqueued. As such,
they always have at least a reference.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Tue, 25 Oct 2011 10:53:33 +0000 (12:53 +0200)]
scsi: do not call transfer_data after canceling a request
Otherwise, if cancellation is "faked" by the AIO layer and goes
through qemu_aio_flush, the whole request is completed synchronously
during scsi_req_cancel.
Using the enqueued flag would work here, but not in the next patches,
so I'm introducing a new io_canceled flag. That's because scsi_req_data
is a synchronous callback and the enqueued flag might be reset by the
time it returns. scsi-disk cannot unref the request until after calling
scsi_req_data.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Wed, 12 Oct 2011 10:58:31 +0000 (12:58 +0200)]
scsi: pass cdb to alloc_req
This will let scsi-block choose between passthrough and emulation.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Wed, 12 Oct 2011 10:54:31 +0000 (12:54 +0200)]
scsi: export scsi_generic_reqops
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Wed, 12 Oct 2011 10:57:59 +0000 (12:57 +0200)]
scsi: make reqops const
Also delete a stale occurrence of SCSIReqOps inside SCSIDeviceInfo.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Thu, 13 Oct 2011 08:39:50 +0000 (10:39 +0200)]
scsi: move max_lba to SCSIDevice
The field is only in scsi-disk for now. Moving it up to SCSIDevice makes
it easier to reuse the scsi-generic reqops elsewhere.
At the same time, make scsi-generic get max_lba from snooped READ CAPACITY
commands as well.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Wed, 12 Oct 2011 12:27:40 +0000 (14:27 +0200)]
scsi-disk: small clean up to INQUIRY
Set s->removable, s->qdev.blocksize and s->qdev.type in the callers
of scsi_initfn.
With this in place, s->qdev.type is allowed, and we can just reuse it
as the first byte in VPD data (just like we do in standard INQUIRY data).
Also set s->removable is set consistently and we can use it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Thu, 13 Oct 2011 08:35:46 +0000 (10:35 +0200)]
scsi-disk: remove cluster_size
This field is redundant, and having it makes it more complicated
to share reqops between the upcoming scsi-block and scsi-generic.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Wed, 12 Oct 2011 10:54:16 +0000 (12:54 +0200)]
scsi-disk: do not duplicate BlockDriverState member
Same as for scsi-generic, avoid duplication even if it causes longer
lines.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Thu, 13 Oct 2011 08:36:27 +0000 (10:36 +0200)]
scsi-generic: snoop READ CAPACITY commands to get block size
Instead of "guessing" the block size when there is no medium in the
drive, wait for the guest to send a READ CAPACITY command and snoop
it from there.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Wed, 12 Oct 2011 12:53:43 +0000 (14:53 +0200)]
scsi-generic: look at host status
Pass down the host status so that failing transport can be detected
by the guest. Similar treatment of host status could be done in
virtio-blk, too.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Wed, 12 Oct 2011 12:49:48 +0000 (14:49 +0200)]
scsi-generic: check ioctl statuses when SG_IO succeeds
A succeeding ioctl does not imply that the SCSI command succeeded.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Wed, 12 Oct 2011 09:54:59 +0000 (11:54 +0200)]
scsi-generic: remove scsi_req_fixup
This is not needed anymore, since asynchronous ioctls were introduced
by commit
221f715 (new scsi-generic abstraction, use SG_IO, 2009-03-28).
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Wed, 12 Oct 2011 10:49:35 +0000 (12:49 +0200)]
scsi-generic: drop SCSIGenericState
It is not needed, because s->bs is already stored in SCSIDevice, and
can be reached from the conf.bs member.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Tue, 4 Oct 2011 13:36:05 +0000 (15:36 +0200)]
scsi-disk: fix retrying a flush
Flush does not go anymore through scsi_disk_emulate_command.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Mon, 3 Oct 2011 11:57:06 +0000 (13:57 +0200)]
scsi-disk: fail READ CAPACITY if LBA != 0 but PMI == 0
Tested by the Windows Logo Kit SCSI Compliance test. From SBC-3, paragraph
5.25: "The LOGICAL BLOCK ADDRESS field shall be set to zero if the PMI
bit is set to zero. If the PMI bit is set to zero and the LOGICAL BLOCK
ADDRESS field is not set to zero, then the device server shall 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: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Wed, 27 Jul 2011 21:24:50 +0000 (23:24 +0200)]
scsi: add channel to addressing
This also requires little more than adding the new argument to
scsi_device_find, and the qdev property. All devices by default
end up on channel 0.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Sat, 13 Aug 2011 16:55:17 +0000 (18:55 +0200)]
scsi: allow arbitrary LUNs
This only requires changes in two places: in SCSIBus, we need to look
for a free LUN if somebody creates a device with a pre-existing scsi-id
but the default LUN (-1, meaning "search for a free spot"); in vSCSI,
we need to actually parse the LUN according to the SCSI spec.
For vSCSI, max_target/max_lun are set according to the logical unit
addressing format in SAM.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Wed, 14 Sep 2011 18:39:36 +0000 (20:39 +0200)]
scsi: implement REPORT LUNS for arbitrary LUNs
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Thu, 28 Jul 2011 16:02:13 +0000 (18:02 +0200)]
scsi: remove devs array from SCSIBus
Change the devs array into a linked list, and add a scsi_device_find
function to navigate the children list instead. This lets the SCSI
bus use more complex addressing, and HBAs can talk to the correct device
when there are multiple LUNs per target.
scsi_device_find may return another LUN on the same target if none is
found that matches exactly.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Wed, 14 Sep 2011 07:28:06 +0000 (09:28 +0200)]
qdev: switch children device list to QTAILQ
SCSI buses will need to read the children list first-to-last. This
requires using a QTAILQ, because hell breaks loose if you just try
inserting at the tail (thus reversing the order of all existing
visits from last-to-first to first-to-tail).
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Sat, 13 Aug 2011 13:44:45 +0000 (15:44 +0200)]
scsi: move tcq/ndev to SCSIBusOps (now SCSIBusInfo)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Tue, 13 Sep 2011 14:26:51 +0000 (16:26 +0200)]
scsi-disk: report media changed via GET EVENT STATUS NOTIFICATION
This adds support for media change notification via the GET EVENT STATUS
NOTIFICATION command, used by Linux versions 2.6.38 and newer.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Tue, 13 Sep 2011 13:57:15 +0000 (15:57 +0200)]
scsi-disk: support READ DVD STRUCTURE
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Tue, 13 Sep 2011 13:22:31 +0000 (15:22 +0200)]
scsi-disk: support DVD profile in GET CONFIGURATION
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Tue, 13 Sep 2011 13:08:22 +0000 (15:08 +0200)]
atapi/scsi-disk: make mode page values coherent between the two
This patch adds to scsi-disk the missing mode page 0x01 for both disk
and CD-ROM drives, and mode page 0x0e for CD drives only.
A few offsets were wrong in atapi.c. Also change the 2Ah mode page to
expose DVD media read capabilities in the IDE cdrom. This lets you run
dvd+rw-mediainfo on the virtual DVD drives.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Tue, 13 Sep 2011 12:50:15 +0000 (14:50 +0200)]
scsi-disk: store valid mode pages in a table
A small refactoring of the MODE SENSE implementation in scsi-disk.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Tue, 13 Sep 2011 12:33:47 +0000 (14:33 +0200)]
scsi-disk: add stubs for more MMC commands
This patch adds a few stub implementations for MMC commands to
scsi-disk, to be filled in later in the series. It also adds to
scsi-defs.h constants for commands implemented by ide/atapi.c,
when missing.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Mon, 17 Oct 2011 14:39:27 +0000 (16:39 +0200)]
scsi-disk: fix coding style issues (braces)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Tue, 13 Sep 2011 14:26:06 +0000 (16:26 +0200)]
scsi-disk: report media changed via unit attention sense codes
Building on the previous patch, this one adds a media change callback
to scsi-disk.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Tue, 13 Sep 2011 14:19:53 +0000 (16:19 +0200)]
scsi: notify the device when unit attention is reported
Reporting media change events via unit attention sense codes requires
a small state machine: first report "NO MEDIUM", then report "MEDIUM MAY
HAVE CHANGED". Unfortunately there is no good hooking point for the
device to notice that its pending unit attention condition has been
reported. This patch reworks the generic machinery to add one.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Mon, 17 Oct 2011 14:34:59 +0000 (16:34 +0200)]
atapi: cleanup/fix mode sense results
The first two bytes (after the 8-byte ATAPI header) are the mode page
number and the number of bytes after the length field itself. Make
this clear in the code.
The AUDIO_CTL page was filled with wrong values. It is not anymore in
MMC, but at least keep the values sane.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Tue, 13 Sep 2011 14:00:52 +0000 (16:00 +0200)]
atapi: move GESN definitions to scsi-defs.h
As a complement to the previous patch, move definitions for GET EVENT
STATUS NOTIFICATION from the two functions to scsi-defs.h.
The NCR_* constants are just bit values corresponding to the ENC_*
values, with no offsets even, so keep just one copy.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Tue, 13 Sep 2011 12:41:56 +0000 (14:41 +0200)]
atapi/scsi: unify definitions for MMC
The definitions in ide/internal.h are duplicates, since ATAPI commands
actually come from SCSI. Use the ones in scsi-defs.h and move the
missing ones there. Two exceptions:
- MODE_PAGE_WRITE_PARMS conflicts with the "flexible disk geometry"
page in scsi-disk.c. It is unused, so pick the latter.
- GPCMD_* is left in ide/internal.h, at least for now.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Paolo Bonzini [Mon, 19 Sep 2011 15:19:21 +0000 (17:19 +0200)]
scsi: pass correct sense code for ENOMEDIUM
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Ronnie Sahlberg [Fri, 28 Oct 2011 09:13:39 +0000 (20:13 +1100)]
Documentation: Add syntax for using sheepdog devices
Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Stefan Hajnoczi [Thu, 27 Oct 2011 09:54:28 +0000 (10:54 +0100)]
block: reinitialize across bdrv_close()/bdrv_open()
Several BlockDriverState fields are not being reinitialized across
bdrv_close()/bdrv_open(). Make sure they are reset to their default
values.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Stefan Hajnoczi [Thu, 27 Oct 2011 09:54:27 +0000 (10:54 +0100)]
block: set bs->read_only before .bdrv_open()
Several block drivers set bs->read_only in .bdrv_open() but
block.c:bdrv_open_common() clobbers its value. Additionally, QED uses
bdrv_is_read_only() in .bdrv_open() to decide whether to perform
consistency checks.
The correct ordering is to initialize bs->read_only from the open flags
before calling .bdrv_open(). This way block drivers can override it if
necessary and can use bdrv_is_read_only() in .bdrv_open().
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Stefan Hajnoczi [Thu, 27 Oct 2011 09:54:26 +0000 (10:54 +0100)]
qemu-io: delete bs instead of leaking it
Using bdrv_close() is not enough to free a BlockDriverState. Since we
explicitly create it with bdrv_new(), use bdrv_delete() to close and
delete it.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Dong Xu Wang [Thu, 27 Oct 2011 09:22:28 +0000 (17:22 +0800)]
block: fix qcow2_co_flush deadlock
If qcow2_cache_flush failed, s->lock will not be unlock.
Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Ronnie Sahlberg [Thu, 27 Oct 2011 09:33:21 +0000 (20:33 +1100)]
Documentation: Describe NBD URL syntax
This patch adds a short description of how to specify a NBD device
to QEMU.
Syntax for both TCP and Unix Domain Sockets are provided as well
as examples.
Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Kevin Wolf [Wed, 26 Oct 2011 10:25:52 +0000 (12:25 +0200)]
vmdk: Fix possible segfaults
Data we read from the disk isn't necessarily null terminated and may not
contain the string we're looking for. The code needs to be a bit more careful
here.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Kevin Wolf [Wed, 26 Oct 2011 10:25:25 +0000 (12:25 +0200)]
vmdk: Improve error handling
Return the right error values in some more places.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Kevin Wolf [Wed, 26 Oct 2011 10:22:40 +0000 (12:22 +0200)]
vmdk: Fix use of uninitialised value
In error cases, cid is never set.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Kevin Wolf [Wed, 26 Oct 2011 09:52:47 +0000 (11:52 +0200)]
ide: Fix off-by-one error in array index check
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Kevin Wolf [Wed, 26 Oct 2011 09:21:50 +0000 (11:21 +0200)]
qcow: Fix bdrv_write_compressed error handling
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Kevin Wolf [Wed, 26 Oct 2011 09:03:01 +0000 (11:03 +0200)]
block: Fix bdrv_open use after free
tmp_filename was used outside the block it was defined in, i.e. after it went
out of scope. Move its declaration to the top level.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Kevin Wolf [Wed, 26 Oct 2011 09:02:11 +0000 (11:02 +0200)]
block: Remove dead code
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Zhi Yong Wu [Thu, 27 Oct 2011 06:58:57 +0000 (14:58 +0800)]
qcow2: fix some errors and typo in qcow2.txt
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Eric Sunshine [Wed, 26 Oct 2011 19:51:18 +0000 (15:51 -0400)]
Teach block/vdi about "discarded" (no longer allocated) blocks
An entry in the VDI block map will hold an offset to the actual block if
the block is allocated, or one of two specially-interpreted values if
not allocated. Using VirtualBox terminology, value VDI_IMAGE_BLOCK_FREE
(0xffffffff) represents a never-allocated block (semantically arbitrary
content). VDI_IMAGE_BLOCK_ZERO (0xfffffffe) represents a "discarded"
block (semantically zero-filled). block/vdi knows only about
VDI_IMAGE_BLOCK_FREE. Teach it about VDI_IMAGE_BLOCK_ZERO.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Ronnie Sahlberg [Wed, 26 Oct 2011 12:51:37 +0000 (23:51 +1100)]
Documentation: Add iSCSI section
Add new section for device URL syntax for special files and describe the iSCSI
URL with examples
Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Ronnie Sahlberg [Tue, 25 Oct 2011 08:24:24 +0000 (19:24 +1100)]
iSCSI block driver
This provides built-in support for iSCSI to QEMU.
This has the advantage that the iSCSI devices need not be made visible to the host, which is useful if you have very many virtual machines and very many iscsi devices.
It also has the benefit that non-root users of QEMU can access iSCSI devices across the network without requiring root privilege on the host.
This driver interfaces with the multiplatform posix library for iscsi initiator/client access to iscsi devices hosted at
git://github.com/sahlberg/libiscsi.git
The patch adds the driver to interface with the iscsi library.
It also updated the configure script to
* by default, probe is libiscsi is available and if so, build
qemu against libiscsi.
* --enable-libiscsi
Force a build against libiscsi. If libiscsi is not available
the build will fail.
* --disable-libiscsi
Do not link against libiscsi, even if it is available.
When linked with libiscsi, qemu gains support to access iscsi resources such as disks and cdrom directly, without having to make the devices visible to the host.
You can specify devices using a iscsi url of the form :
iscsi://[<username>[:<password>@]]<host>[:<port]/<target-iqn-name>/<lun>
When using authentication, the password can optionally be set with
LIBISCSI_CHAP_PASSWORD="password" to avoid it showing up in the process list
Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Blue Swirl [Thu, 27 Oct 2011 20:27:07 +0000 (20:27 +0000)]
Merge branch 'rth/vis2' of git://repo.or.cz/qemu/rth
* 'rth/vis2' of git://repo.or.cz/qemu/rth:
target-sparc: Implement FALIGNDATA inline.
target-sparc: Implement BMASK/BSHUFFLE.
target-sparc: Implement ALIGNADDR* inline.
target-sparc: Implement EDGE* instructions.
target-sparc: Implement fpack{16,32,fix}.
target-sparc: Implement PDIST.
target-sparc: Do exceptions management fully inside the helpers.
target-sparc: Change fpr representation to doubles.
target-sparc: Undo cpu_fpr rename.
target-sparc: Extract float128 move to a function.
target-sparc: Extract common code for floating-point operations.
target-sparc: Make FPU/VIS helpers const when possible.
target-sparc: Pass float64 parameters instead of dt0/1 temporaries.
target-sparc: Add accessors for double-precision fpr access.
target-sparc: Mark fprs dirty in store accessor.
target-sparc: Add accessors for single-precision fpr access.
Luiz Capitulino [Fri, 21 Oct 2011 18:05:43 +0000 (16:05 -0200)]
Drop qemu-objects.h from modules that don't require it
Previous commits dropped most qobjects usage from qemu modules
(now they are a low level interface used by the QAPI). However,
some modules still include the qemu-objects.h header file.
This commit drops qemu-objects.h from some of those modules
and includes qjson.h instead, which is what they actually need.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Luiz Capitulino [Fri, 21 Oct 2011 18:24:28 +0000 (16:24 -0200)]
Monitor: do_info(): Drop QMP command handling code
Previous commits converted all existing QMP commands to the QAPI,
now each info command does its own QMP call.
Let's then drop all QMP command handling code from do_info().
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Luiz Capitulino [Fri, 21 Oct 2011 18:15:31 +0000 (16:15 -0200)]
QMP: Drop the query commands dispatch table
Because QMP development originated in the monitor, it has
inherited the monitor's distinction between query- and
non-query commands.
However, previous commits unified both commands and the
distinction is gone. This commit drops the query commands
dispatch table and does some simplifications along the way.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Luiz Capitulino [Fri, 21 Oct 2011 16:15:33 +0000 (14:15 -0200)]
qapi: Convert query-pci
This also fixes a bug with the old version: QMP would invert device id
and vendor id. This would look ok on HMP because it was printing
"device:vendor" instead of "vendor:device".
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Luiz Capitulino [Fri, 21 Oct 2011 13:41:37 +0000 (11:41 -0200)]
qapi: Convert query-balloon
Please, note that some of the code supporting memory statistics is
still around (eg. virtio_balloon_receive_stats() and reset_stats()).
Also, the qmp_query_balloon() function is synchronous and thus doesn't
make any use of the (not fully working) monitor's asynchronous command
support (the old non-qapi implementation did).
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Luiz Capitulino [Thu, 20 Oct 2011 19:01:33 +0000 (17:01 -0200)]
qapi: Convert query-spice
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Luiz Capitulino [Mon, 17 Oct 2011 18:41:22 +0000 (16:41 -0200)]
qapi: Convert query-vnc
There are three important remarks in relation to the non-qapi command:
1. This commit also fixes the behavior of the 'query-vnc' and 'info vnc'
commands to return an error when qemu is built without VNC support
(ie. --disable-vnc). The non-qapi command would return the OK
response in QMP and no response in HMP
2. The qapi version explicitly marks the fields 'host', 'family',
'service' and 'auth' as optional. Their are not documented as optional
in the non-qapi command doc, but they would not be returned if
vnc support is disabled. The qapi version maintains the same
semantics, but documents those fields correctly
3. The 'clients' field, which is a list, is marked as optional but is
always returned. If there are no clients connected an empty list
is returned. This is not the Right Way to this in the qapi but it's
how the non-qapi command used to work
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Luiz Capitulino [Wed, 19 Oct 2011 17:15:57 +0000 (15:15 -0200)]
qerror: Add a user string for QERR_FEATURE_DISABLED
Missing from commit
821601ea5b.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Luiz Capitulino [Thu, 22 Sep 2011 18:56:36 +0000 (15:56 -0300)]
qapi: Convert query-blockstats
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Luiz Capitulino [Wed, 21 Sep 2011 20:16:47 +0000 (17:16 -0300)]
qapi: Convert query-block
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Luiz Capitulino [Fri, 14 Oct 2011 20:22:24 +0000 (17:22 -0300)]
block: Rename the BlockIOStatus enum values
The biggest change is to rename its prefix from BDRV_IOS to
BLOCK_DEVICE_IO_STATUS.
Next commit will convert the query-block command to the QAPI
and that's how the enumeration is going to be generated.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Luiz Capitulino [Fri, 14 Oct 2011 20:11:23 +0000 (17:11 -0300)]
block: iostatus: Drop BDRV_IOS_INVAL
A future commit will convert bdrv_info() to the QAPI and it won't
provide IOS_INVAL.
Luckily all we have to do is to add a new 'iostatus_enabled'
member to BlockDriverState and use it instead.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Luiz Capitulino [Wed, 21 Sep 2011 19:38:35 +0000 (16:38 -0300)]
qapi: Convert query-cpus
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Luiz Capitulino [Thu, 6 Oct 2011 17:31:39 +0000 (14:31 -0300)]
qapi: Convert the cpu command
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Luiz Capitulino [Mon, 24 Oct 2011 12:53:44 +0000 (10:53 -0200)]
Monitor: Introduce monitor_get_cpu_index()
Returns 'cur_mons's CPU index. A future commit will use it.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Luiz Capitulino [Thu, 6 Oct 2011 17:02:57 +0000 (14:02 -0300)]
Monitor: Make mon_set_cpu() public
Also rename it to monitor_set_cpu().
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Luiz Capitulino [Tue, 13 Sep 2011 20:37:16 +0000 (17:37 -0300)]
qapi: Convert query-migrate
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Luiz Capitulino [Wed, 21 Sep 2011 18:29:55 +0000 (15:29 -0300)]
qapi: Convert query-mice
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Luiz Capitulino [Wed, 19 Oct 2011 16:51:14 +0000 (14:51 -0200)]
qapi-commands.py: Don't call the output marshal on error
Today we generate something like this:
int qmp_marshal_input_query_foo(...)
...
retval = qmp_query_foo(errp);
qmp_marshal_output_query_foo(retval, ret, errp);
...
However, if qmp_query_foo() fails 'retval' will probably be NULL,
which can cause a segfault as not all visitors check if 'retval'
is valid.
This commit fixes that by changing the code generator to only
call the output marshal if qmp_query_foo() succeeds, like this:
retval = qmp_query_foo(errp);
if (!error_is_set(errp)) {
qmp_marshal_output_query_foo(retval, ret, errp);
}
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Andrzej Zaborowski [Wed, 26 Oct 2011 23:02:46 +0000 (01:02 +0200)]
Merge branch 'target-arm.for-upstream' of git://git.linaro.org/people/pmaydell/qemu-arm
Richard Henderson [Tue, 18 Oct 2011 16:41:30 +0000 (09:41 -0700)]
target-sparc: Implement FALIGNDATA inline.
This is a relatively simple sequence of shifts.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Richard Henderson [Tue, 18 Oct 2011 16:24:43 +0000 (09:24 -0700)]
target-sparc: Implement BMASK/BSHUFFLE.
Signed-off-by: Richard Henderson <rth@twiddle.net>
projects / sdk / emulator / qemu.git / log