If an error occurs in bdrv_snapshot_delete_by_id_or_name(), "err" is
freed. If "err" is not set to NULL before calling
bdrv_snapshot_delete_by_id_or_name() again, it will not be updated on
error, and will be freed again.
This can be triggered by starting a VM with at least two drives and then
attempting to delete a non-existent snapshot.
Broken in commit a89d89d.
Signed-off-by: Chris Spiegel <chris.spiegel@cypherpath.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1412613225-32676-1-git-send-email-chris.spiegel@cypherpath.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The SDB FIS creation was mangled;
We were writing the error byte to byte 0,
and omitting the SDB FIS magic byte.
Though the SDB packet layout states that:
byte 0: Must be 0xA1 to indicate SDB FIS.
byte 1: Port multiplier select & other flags
byte 2: status byte.
byte 3: error byte.
This patch adds an SDB FIS structure with
human-readable names, and ensures that we
are filling the structure appropriately.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1412204151-18117-7-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Currently, DMA read/write operations neglect to update
the byte count after a successful transfer like ATAPI
DMA read or PIO read/write operations do.
We correct this oversight by adding another callback into
the IDEDMAOps structure. The commit callback is called
whenever we are cleaning up a scatter-gather list.
AHCI can register this callback in order to update post-
transfer information such as byte count updates.
We use this callback in AHCI to consolidate where we delete
the SGlist as generated from the PRDT, as well as update the
byte count after the transfer is complete.
The QEMUSGList structure has an init flag added to it in order
to make qemu_sglist_destroy a nop if it is called when
there is no sglist, which simplifies cleanup and error paths.
This patch fixes several AHCI problems, notably Non-NCQ modes
of operation for Windows 7 as well as Hibernate support for Windows 7.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1412204151-18117-3-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Currently, the D2H FIS packets AHCI generates simply parrot back
the LBA that the guest sent to us in the cmd_fis. However, some
commands (like READ NATIVE MAX) modify the LBA registers as a
return value, through which the AHCI D2H FIS is the only response
mechanism. Thus, the D2H response should use the current register
values, not the initial ones.
This patch adjusts the LBA and drive select register responses for
PIO Setup and D2H FIS response packets.
Additionally, the PIO and D2H FIS responses copy too many bytes
from the command FIS that it is being generated from. Specifically,
byte 11 which is the Features(15:8) field for Register Host to
Device FIS packets, is instead reserved for the PIO Setup FIS and
should always be 0.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1412204151-18117-2-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Cancel oversized requests early. They would generate
an iSCSI protocol error anyway; after having transferred
possibly a lot of data over the wire.
Suggested-By: Max Reitz <mreitz@redhat.com>
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
As Max pointed out there is a hidden cast from int64_t to int for all
limits. So use the newly introduced sector_limits_lun2qemu for all
limits received from the target.
Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Copy the max_xfer_len from the BlockLimits VPD or use the
maximum value fitting in the CDB.
The helper function sector_limits_lun2qemu is introduced to convert
and cap the limits from the VPD to the maximum power of two fitting
in an integer; integer is the range for nb_sectors throughout
the block layer.
Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
at least in block layer we have the case of limits being defined for a
BlockDriverState. However, in this context often zero (0) has the special
meanining of undefined which means no limit. If two of those limits are
combined and the minimum is needed the minimum function should only return
zero if both parameters are zero.
Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Commit 9d8bf2d1 moved the softmmu slow path out of line and introduce a
regression at the same time by always calling tcg_out_tlb_load with
is_load=1. This makes impossible to run any significant code under
qemu-system-mips*.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
* remotes/sstabellini/xen-2014-10-30:
fix off-by-one error in pci_piix3_xen_ide_unplug
xen-hvm.c: Add support for Xen access to vmport
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Fix off-by-one error when unplugging disks, which would otherwise leave the last ATA disk plugged, with obvious consequences. Also rewrite loop to be more readable.
Signed-off-by: James Harper <james.harper@ejbdigital.com.au>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
This adds synchronisation of the 6 vcpu registers (only 32bits of
them) that vmport.c needs between Xen and QEMU.
This is to avoid a 2nd and 3rd exchange between QEMU and Xen to
fetch and put these 6 vcpu registers used by the code in vmport.c
and vmmouse.c
The registers are passed in the new shared page provided by
HVM_PARAM_VMPORT_REGS_PFN.
Add new array to XenIOState that allows selection of current_cpu by
vcpu id.
Now pass XenIOState to handle_ioreq().
Add new routines regs_to_cpu(), regs_from_cpu(), and
handle_vmport_ioreq().
Signed-off-by: Don Slutz <dslutz@verizon.com>
Reviewed-by: Paul Durrant <paul.durrant@citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
MAINTAINERS updates, and AVX512 support.
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
virtio-scsi fixes, the first part of dynamic sysbus devices,
MAINTAINERS updates, and AVX512 support.
# gpg: Signature made Mon 27 Oct 2014 15:12:13 GMT using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* remotes/bonzini/tags/for-upstream: (28 commits)
aio / timers: De-document -clock
hw/scsi/virtio-scsi.c: fix the "type" use error in virtio_scsi_handle_ctrl
virtio-scsi: sense in virtio_scsi_command_complete
target-i386: add Intel AVX-512 support
get_maintainer.pl: restrict cases where it falls back to --git
get_maintainer.pl: move git loop under "if ($email) {"
qtest: fix qtest log fd should be initialized before qtest chardev
MAINTAINERS: avoid M entries that point to mailing lists
MAINTAINERS: add some tests directories
MAINTAINERS: Add more TCG files
MAINTAINERS: add myself for X86
MAINTAINERS: add Samuel Thibault as usb-serial.c and baum.c maintainer
MAINTAINERS: grab more files from Anthony's pile
target-i386: warns users when CPU threads>1 for non-Intel CPUs
sysbus: Use TYPE_DEVICE GPIO functionality
qdev: gpio: Define qdev_pass_gpios()
qdev: gpio: Remove qdev_init_gpio_out x1 restriction
qdev: gpio: delete NamedGPIOList::out
irq: Remove qemu_irq_intercept_out
qtest/irq: Rework IRQ interception
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The virtio-rng backend is currently linked twice, once in the proxy
device (e.g. virtio-rng-pci) and once in virtio-rng-device. This causes
a double unref of the backend when the parent device is unplugged.
To fix this, make the proxy device use an alias, similar to what is
already being done for the iothread link.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Gonglei <arei.gonglei@huawei.com>
Message-id: 1414577839-18695-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
graphic_hw_update and vnc_refresh_server_surface aren't
need to do when no vnc client connected. It can reduce
lock contention, because vnc_refresh will hold global big
lock two millisecond every three seconds.
Signed-off-by: ChenLiang <chenliang88@huawei.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
bits_per_pixel that are less than 8 could result in accessing
non-initialized buffers later in the code due to the expectation
that bytes_per_pixel value that is used to initialize these buffers is
never zero.
To fix this check that bits_per_pixel from the client is one of the
values that the rfb protocol specification allows.
This is CVE-2014-7815.
Signed-off-by: Petr Matousek <pmatouse@redhat.com>
[ kraxel: apply codestyle fix ]
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
commit 50dcc0f8 (uhci: tracing support) had removed
DPRINTF, the DEBUG marco is useless now, remove it.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
streams support in usb-redir and usb-host works only with recent enough
versions of the support libraries (libusbredir and libusbx). Failure
mode is rather unelegant: Any stream usb transfers will throw stall
errors. Turning off support for streams in the xhci host controller
will work better as the guest can figure beforehand that streams are
not going to work.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
commit 57f97834ef cleaned up
the cac_applet_pki_process_apdu function to have a single
exit point. Unfortunately, that commit introduced a bug
where the sign buffer can get free'd and nullified while
it's still being used.
This commit corrects the bug by introducing a boolean to
track whether or not the sign buffer should be freed in
the function exit path.
Signed-off-by: Ray Strode <rstrode@redhat.com>
Reviewed-by: Alon Levy <alon@pobox.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
When a process in a guest uses an emulated smartcard, libcacard running
on the host passes the PIN from the guest to the PK11_Authenticate NSS
function. The first time PK11_Authenticate is called the passed in PIN
is used to unlock the certificate database. Subsequent calls to
PK11_Authenticate will transparently succeed, regardless of the passed in
PIN. This is a convenience for applications provided by NSS.
Of course, the guest may have many applications using the one emulated
smart card all driven from the same host QEMU process. That means if a
user enters the right PIN in one program in the guest, and then enters the
wrong PIN in another program in the guest, the wrong PIN will still
successfully unlock the virtual smartcard.
This commit forces the NSS certificate database to be locked anytime an
applet is selected on an emulated smartcard by calling vcard_emul_logout.
Signed-off-by: Ray Strode <rstrode@redhat.com>
Reviewed-By: Robert Relyea <rrelyea@redhat.com>
Reviewed-By: Alon Levy <alevy@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
vcard_emul_reset currently only logs NSS out, but there is a TODO
for potentially sending insertion/removal events when powering down
or powering up.
For clarity, this commit moves the current guts of vcard_emul_reset to
a new vcard_emul_logout function which will never send insertion/removal
events. The vcard_emul_reset function now just calls vcard_emul_logout,
but also retains its TODO for watching power state transitions and sending
insertion/removal events.
Signed-off-by: Ray Strode <rstrode@redhat.com>
Reviewed-By: Robert Relyea <rrelyea@redhat.com>
Reviewed-By: Alon Levy <alevy@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Switch vmsvga_update_rect over to use vmsvga_verify_rect. Slight change
in behavior: We don't try to automatically fixup rectangles any more.
In case we find invalid update requests we'll do a full-screen update
instead.
Cc: qemu-stable@nongnu.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Don Koch <dkoch@verizon.com>
Add verification function for rectangles, returning
true if verification passes and false otherwise.
Cc: qemu-stable@nongnu.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Don Koch <dkoch@verizon.com>
Quick & easy stopgap for CVE-2014-3689: We just compile out the
hardware acceleration functions which lack sanity checks. Thankfully
we have capability bits for them (SVGA_CAP_RECT_COPY and
SVGA_CAP_RECT_FILL), so guests should deal just fine, in theory.
Subsequent patches will add the missing checks and re-enable the
hardware acceleration emulation.
Cc: qemu-stable@nongnu.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Don Koch <dkoch@verizon.com>
Commit 6d32717 "aio / timers: Remove alarm timers" has issues:
1. It silently ignores -clock for backward compatibility.
Incompatible change: -clock help no longer terminates the program.
Tolerable.
2. Failed to update option documentation. In particular, -help still
advises users to try -clock help for available timers. Drop all
documentation on -clock.
3. The 'query-alarm-clock' example in docs/writing-commands.txt no
longer works, and needs to be redone. Can't do that right now, so I
just stick in a FIXME.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The local variable "type" in virtio_scsi_handle_ctl represents the tmf
command type from the guest and it has the same meaning as the
req->req.tmf.type. However, before the invoking of virtio_scsi_parse_req
the req->req.tmf.type doesn't has the correct value(just initialized to
zero). Therefore, we need to use the "type" variable to judge the case.
Cc: qemu-stable@nongnu.org
Signed-off-by: Bin Wu <wu.wubin@huawei.com>
[Actually make it compile, "type" must be uint32_t in order to pass
it to virtio_tswap32s. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
If req->resp.cmd.status is not GOOD, the address of sense for
qemu_iovec_from_buf should be modified from &req->resp to sense.
Cc: qemu-stable@nongnu.org
Signed-off-by: Ting Wang <kathy.wangting@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This reverts commit 15124e1420. It breaks
debuggability of qemu and is no longer needed as the problem has
now been addressed in a different way.
Instead we provide a comment about why these signals must be
handled asynchronously.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Gonglei <arei.gonglei@huawei.com>
[PMM: added comment]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
qemu_shutdown_requested may be interrupted by qemu_system_killed. If the
latter sets shutdown_requested after qemu_shutdown_requested has read it
but before it was cleared, the shutdown event is lost. Fix this by using
atomic_xchg.
This provides a different fix for the problem which commit 15124e142
attempts to deal with. That commit breaks use of ^C to drop into gdb,
and so this approach is better (and 15124e142 can be reverted).
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
[PMM: commit message tweak]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1413405052-4527-1-git-send-email-peter.maydell@linaro.org
Add myself to the maintainer list for MIPS guest cores and update the status
from "Odd Fixes" to "Maintained".
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Acked-by: Aurelien Jarno <aurelien@aurel32.net>
Message-id: 1413459487-13658-1-git-send-email-leon.alrae@imgtec.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* remove pointless 'info pcmcia' and a lot of now-dead code
* register ARM cpu reset handlers even if not using -kernel
* update to libvixl 1.6
* various minor code cleanups
* support PSCI under TCG ('virt' machine can now be shut down,
SMP configurations work)
* correct the sense of the AArch64 DCZID DZP bit
* report a valid L1Ip field in CTR_EL0 for CPU type "any"
* correctly UNDEF writes to FPINST/FPINST2 from EL0
* more preparatory code refactoring for EL2/EL3 support
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20141024' into staging
target-arm queue:
* remove pointless 'info pcmcia' and a lot of now-dead code
* register ARM cpu reset handlers even if not using -kernel
* update to libvixl 1.6
* various minor code cleanups
* support PSCI under TCG ('virt' machine can now be shut down,
SMP configurations work)
* correct the sense of the AArch64 DCZID DZP bit
* report a valid L1Ip field in CTR_EL0 for CPU type "any"
* correctly UNDEF writes to FPINST/FPINST2 from EL0
* more preparatory code refactoring for EL2/EL3 support
# gpg: Signature made Fri 24 Oct 2014 12:35:52 BST using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
* remotes/pmaydell/tags/pull-target-arm-20141024: (23 commits)
target-arm: A32: Emulate the SMC instruction
target-arm: make arm_current_el() return EL3
target-arm: rename arm_current_pl to arm_current_el
target-arm: reject switching to monitor mode
target-arm: add arm_is_secure() function
target-arm: increase arrays of registers R13 & R14
target-arm: correctly UNDEF writes to FPINST/FPINST2 from EL0
target-arm: Report a valid L1Ip field in CTR_EL0 for CPU type "any"
target-arm: Correct sense of the DCZID DZP bit
arm/virt: enable PSCI emulation support for system emulation
target-arm: add emulation of PSCI calls for system emulation
target-arm: Add support for A32 and T32 HVC and SMC insns
target-arm: Handle SMC/HVC undef-if-no-ELx in pre_* helpers
target-arm: add missing PSCI constants needed for PSCI emulation
target-arm: do not set do_interrupt handlers for ARM and AArch64 user modes
target-arm: add powered off cpu state
omap_gpmc.c: Remove duplicate assignment
disas/libvixl/a64/instructions-a64.h: Remove unused constants
arm_gic: remove unused parameter.
disas/libvixl: Update to libvixl 1.6
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Implements SMC instruction in AArch32 using the A32 syndrome. When executing
SMC instruction from monitor CPU mode SCR.NS bit is reset.
Signed-off-by: Sergey Fedorov <s.fedorov@samsung.com>
Signed-off-by: Fabian Aggeler <aggelerf@ethz.ch>
Signed-off-by: Greg Bellows <greg.bellows@linaro.org>
Message-id: 1413910544-20150-7-git-send-email-greg.bellows@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Make arm_current_el() return EL3 for secure PL1 and monitor mode.
Increase MMU modes since mmu_index is directly inferred from arm_
current_el(). Change assertion in arm_el_is_aa64() to allow EL3.
Signed-off-by: Fabian Aggeler <aggelerf@ethz.ch>
Signed-off-by: Greg Bellows <greg.bellows@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1413910544-20150-6-git-send-email-greg.bellows@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Renamed the arm_current_pl CPU function to more accurately represent that it
returns the ARMv8 EL rather than ARMv7 PL.
Signed-off-by: Greg Bellows <greg.bellows@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1413910544-20150-5-git-send-email-greg.bellows@linaro.org
[PMM: fixed a minor merge resolution error in a couple of hunks]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
arm_is_secure() function allows to determine CPU security state
if the CPU implements Security Extensions/EL3.
arm_is_secure_below_el3() returns true if CPU is in secure state
below EL3.
Signed-off-by: Sergey Fedorov <s.fedorov@samsung.com>
Signed-off-by: Fabian Aggeler <aggelerf@ethz.ch>
Signed-off-by: Greg Bellows <greg.bellows@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1413910544-20150-3-git-send-email-greg.bellows@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Increasing banked_r13 and banked_r14 to store LR_mon and SP_mon (bank
index 7).
Signed-off-by: Fabian Aggeler <aggelerf@ethz.ch>
Signed-off-by: Greg Bellows <greg.bellows@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1413910544-20150-2-git-send-email-greg.bellows@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
