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When snapshot handlers are not defined in the format driver, it is
better to call the ones of the protocol driver. This enables us to
implement snapshot support in the protocol driver.
We need to call bdrv_close() and bdrv_open() handlers of the format
driver before and after bdrv_snapshot_goto() call of the protocol. It is
because the contents of the block driver state may need to be changed
after loading vmstate.
Signed-off-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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This patch calls the close handler of the block driver before the qemu
process exits.
This is necessary because the sheepdog block driver releases the lock
of VM images in the close handler.
Signed-off-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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qemu -cdrom /dev/cdrom with an empty CD-ROM drive doesn't work any more because
we try to guess the format and when this fails (because there is no medium) we
exit with an error message.
This patch should restore the old behaviour by assuming raw format for such
drives.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The real error is the return value of bdrv_open. errno might be overwritten or
not even set to that value in the first place.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Show the actual default value instead of <null> when the property has
not been set.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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It needs to be a qdev property, because it belongs to the drive's
guest part.
Bonus: info qtree now shows the serial number.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Show the actual default value instead of <null> when the property has
not been set.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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It needs to be a qdev property, because it belongs to the drive's
guest part.
Bonus: info qtree now shows the serial number.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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parse_string() qemu_strdup()s the property value. It is never freed.
It needs to be freed along with the device. Otherwise, the value of
scsi-disk property "ver" gets leaked when hot-unplugging the disk, for
instance.
Call new PropertyInfo method free() from qdev_free(). Implement it
for qdev_prop_string.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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IDEState members drive_serial_str and version are now left empty until
an actual drive is connected. Before, they got a default value that
was overwritten when a drive got connected. Doesn't matter, because
they're used only while a drive is connected.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Commit 428c149b added IDEState member conf to let commit 0009baf1 find
the BlockConf from there. It exists only for qdev drives, created via
ide_drive_initfn(), not for drives created via ide_init2().
But for a qdev drive, we can just as well reach its IDEDevice, which
contains the BlockConf. Do that, and revert the parts of commit
428c149b that add IDEState member conf.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Unused since commit b3e461d3.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Unused since commit 9dfd7c7a.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Unused since commit 751c6a17.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The truncate and getlength commands passed a negative error number to strerror.
They also happen to be the two functions that are lacking a newline at the end
of their error message.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Clean up virtio-blk.c to be more consistent using BDRV_SECTOR_SIZE
instead of hard coded 512 values.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Clean up raw-posix.c to be more consistent using BDRV_SECTOR_SIZE
instead of hard coded 512 values.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Clean up block.c and use BDRV_SECTOR_SIZE rather than hard coded
numbers (512) when referring to sector size throughout the code.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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In bdrv_open() there is no need to shift total_size >> 9 just to
multiply it by 512 again just a few lines later, since this is the
only place the variable is used.
Mask with BDRV_SECTOR_MASK to protect against case where we are
passed a corrupted image.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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This patch makes sure that if the exec: process exits with a non-zero return
status, we treat the migration as failed.
This fixes https://bugs.launchpad.net/qemu/+bug/391879
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Fix a typo introduced by c28b14c694d759f39fe3ae4f8d03b567da5b93f8.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Declare tcg_out_tlb_load() inline so that we don't loose optimisations
with commit 8516a04467cb7954cdc32e8b79b4b7df56dccb16.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Tidy some code by replacing ifdefs by C ifs.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Share some code between qemu_ld and qemu_st.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Make fallthru be TLB hit and branch be TLB miss. Doing this
both improves branch prediction and will allow further cleanup.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Splitting out these functions will allow further cleanups.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Include it in the opcode as an extension, as with P_EXT
or the REX bits in the x86-64 port.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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- truncate and sign or zero extend operands before multiplication
- factor out common code to gen_op_multiply() with parameter to sign/zero extend
- call gen_op_multiply from gen_op_umul and gen_op_smul
Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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- truncate second operand to 32bit
Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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- implemented block load/store primary/secondary with user privilege
Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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- use symbolic name for MMU index
v0->v1:
- change debug traces to DPRINTF_MMU
- fix debug trace function names
Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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- rearrange code to break from switch when appropriate
- allow deprecated ldfsr insn
Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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- change return type of ldl_* to uint32_t to prevent unwanted sign extension
visible in sparc64 load alternate address space methods
- note this change makes ldl_* softmmu implementations match ldl_phys one
Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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- address masking for ldqf and stqf insns
- address masking for lddf and stdf insns
- address masking for translating ASI (Ultrasparc IIi)
v0->v1:
- move arch-specific code to helpers and drop more ifdefs at call sites
using new helper asi_address_mask()
- change user emulation to use asi_address_mask()
Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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- set mmu tag access register on FAULT and PROT traps as well
Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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vnc-encodings-*.c dependencies where missing.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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While couting color, if the third color was only present one
time it wasn't added to the palette.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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A simple patch would have been to just remove count -= 1, but this
one also replace the while (count--) with a for(i = 0; i < count; i++)
which I believe is more easy to understand.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Previous commit added QMP documentation to the qemu-monitor.hx
file, it's is a copy of this information.
While it's good to keep it near code, maintaining two copies of
the same information is too hard and has little benefit as we
don't expect client writers to consult the code to find how to
use a QMP command.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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One of the most important missing feature in QMP today is its
supported commands documentation.
The plan is to make it part of self-description support, however
self-description is a big task we have been postponing for a
long time now and still don't know when it's going to be done.
In order not to compromise QMP adoption and make users' life easier,
this commit adds a simple text documentation which fully describes
all QMP supported commands.
This is not ideal for a number of reasons (harder to maintain,
text-only, etc) but does improve the current situation. To avoid at
least divering from the user monitor help and texi snippets, QMP bits
are also maintained inside qemu-monitor.hx, and hxtool is extended to
generate a single text file from them.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Push the doc fragments for the info command to the end of
qemu-monitor.hx. This helps to establish a proper layout in the upcoming
QMP documentation.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This make sure we send a desktop resize message only in case we actually
have to, using the new variables which track the clients desktop size.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Don't send updates for screen areas which are outside the clients
desktop. May happed with vnc clients which don't support the desktop
resize message.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Add two new variables to keep track of the vnc clients desktop size.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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