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2011-02-01vnc: Fix password expiration through 'change vnc ""' (v2)Anthony Liguori3-10/+38
commit 52c18be9e99dabe295321153fda7fce9f76647ac introduced a regression in the change vnc password command that changed the behavior of setting the VNC password to an empty string from disabling login to disabling authentication. This commit refactors the code to eliminate this overloaded semantics in vnc_display_password and instead introduces the vnc_display_disable_login. The monitor implementation then determines the behavior of an empty or missing string. Recently, a set_password command was added that allows both the Spice and VNC password to be set. This command has not shown up in a release yet so the behavior is not yet defined. This patch proposes that an empty password be treated as an empty password with no special handling. For specifically disabling login, I believe a new command should be introduced instead of overloading semantics. I'm not sure how Spice handles this but I would recommend that we have Spice and VNC have consistent semantics here for the 0.14.0 release. Reported-by: Neil Wilson <neil@aldur.co.uk> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> --- v1 -> v2 - Add a proper return to make sure that login is really disabled instead of relying on the VNC server to treat empty passwords specially
2011-02-01linux-user: avoid gcc array overrun warning for sparcPeter Maydell1-3/+4
Suppress a gcc array bounds overrun warning when filling in the SPARC signal frame by adjusting our definition of the structure so that the fp and callers_pc membes are part of the ins[] array rather than separate fields; since qemu has no need to access the fields individually there is no need to follow the kernel's structure field naming exactly. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-02-01hw/slavio_intctl.c: fix gcc warning about array bounds overrunPeter Maydell1-1/+6
The Ubuntu 10.10 gcc for ARM complains that we might be overrunning the cpu_irqs[][] array: silence this by correcting the bounds on the loop. (In fact we would not have overrun the array because bit MAX_PILS in pil_pending and irl_out will always be 0.) Also add a comment about why the loop's lower bound is OK. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-02-01SPARC: Fix Leon3 cache controlFabien Chouteau4-10/+23
The "leon3_cache_control_int" (op_helper.c) function is called within leon3.c which leads to segfault error with the global "env". Now cache control is a CPU feature and everything is handled in op_helper.c. Signed-off-by: Fabien Chouteau <chouteau@adacore.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-01-31Merge remote branch 'mst/for_anthony' into stagingAnthony Liguori1-2/+2
2011-01-31blockdev: Fix drive_add for drives without mediaMarkus Armbruster5-18/+7
Watch this: (qemu) drive_add 0 if=none (qemu) info block none0: type=hd removable=0 [not inserted] (qemu) drive_del none0 Segmentation fault (core dumped) add_init_drive() is confused about drive_init()'s failure modes, and cleans up when it shouldn't. This leaves the DriveInfo with member opts dangling. drive_del attempts to free it, and dies. drive_init() behaves as follows: * If it created a drive with media, it returns its DriveInfo. * If it created a drive without media, it clears *fatal_error and returns NULL. * If it couldn't create a drive, it sets *fatal_error and returns NULL. Of its three callers: * drive_init_func() is correct. * usb_msd_init() assumes drive_init() failed when it returns NULL. This is correct only because it always passes option "file", and "drive without media" can't happen then. * add_init_drive() assumes drive_init() failed when it returns NULL. This is incorrect. Clean up drive_init() to return NULL on failure and only on failure. Drop its parameter fatal_error. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31blockdev: Replace drive_add()'s fmt, ... by optstr parameterMarkus Armbruster3-21/+15
Let the callers build the optstr. Only one wants to. All the others become simpler, because they don't have to worry about escaping '%'. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31blockdev: Reject multiple definitions for the same driveMarkus Armbruster2-17/+33
We silently ignore multiple definitions for the same drive: $ qemu-system-x86_64 -nodefaults -vnc :1 -S -monitor stdio -drive if=ide,index=1,file=tmp.qcow2 -drive if=ide,index=1,file=nonexistant QEMU 0.13.50 monitor - type 'help' for more information (qemu) info block ide0-hd1: type=hd removable=0 file=tmp.qcow2 backing_file=tmp.img ro=0 drv=qcow2 encrypted=0 With if=none, this can become quite confusing: $ qemu-system-x86_64 -nodefaults -vnc :1 -S -monitor stdio -drive if=none,index=1,file=tmp.qcow2,id=eins -drive if=none,index=1,file=nonexistant,id=zwei -device ide-drive,drive=eins -device ide-drive,drive=zwei qemu-system-x86_64: -device ide-drive,drive=zwei: Property 'ide-drive.drive' can't find value 'zwei' The second -device fails, because it refers to drive zwei, which got silently ignored. Make multiple drive definitions fail cleanly. Unfortunately, there's code that relies on multiple drive definitions being silently ignored: main() merrily adds default drives even when the user already defined these drives. Fix that up. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31blockdev: New drive_get_by_index()Markus Armbruster2-0/+8
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31blockdev: Factor drive_index_to_{bus,unit}_id out of drive_init()Markus Armbruster1-8/+14
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31blockdev: Make drive_add() take explicit type, index parametersMarkus Armbruster4-25/+48
Before, type & index were hidden in printf-like fmt, ... parameters, which get expanded into an option string. Rather inconvenient for uses later in this series. New IF_DEFAULT to ask for the machine's default interface. Before, that was done by having no option "if" in the option string. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31blockdev: Fix regression in -drive if=scsi,index=NMarkus Armbruster7-9/+20
Before commit 622b520f, index=12 meant bus=1,unit=5. Since the commit, it means bus=0,unit=12. The drive is created, but not the guest device. That's because the controllers we use with if=scsi drives (lsi53c895a and esp) support only 7 units, and scsi_bus_legacy_handle_cmdline() ignores drives with unit numbers exceeding that limit. Changing the mapping of index to bus, unit is a regression. Breaking -drive invocations that used to work just makes it worse. Revert the part of commit 622b520f that causes this, and clean up some. Note that the fix only affects if=scsi. You can still put more than 7 units on a SCSI bus with -device & friends. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31blockdev: Put BlockInterfaceType names and max_devs in tablesMarkus Armbruster1-30/+21
Turns drive_init()'s lengthy conditional into a concise loop, and makes the data available elsewhere. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31blockdev: Move BlockInterfaceType from qemu-common.h to blockdev.hMarkus Armbruster2-6/+6
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31blockdev: New drive_get_next(), replacing qdev_init_bdrv()Markus Armbruster6-22/+19
qdev_init_bdrv() doesn't belong into qdev.c; it's about drives, not qdevs. Rename to drive_get_next, move to blockdev.c, drop the bogus DeviceState argument, and return DriveInfo instead of BlockDriverState. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31qcow2-refcount: remove write-only variablesBlue Swirl1-4/+1
Variables l2_modified and l2_size are not really used, remove them. Spotted by GCC 4.6.0: CC block/qcow2-refcount.o /src/qemu/block/qcow2-refcount.c: In function 'qcow2_update_snapshot_refcount': /src/qemu/block/qcow2-refcount.c:708:37: error: variable 'l2_modified' set but not used [-Werror=unused-but-set-variable] /src/qemu/block/qcow2-refcount.c:708:9: error: variable 'l2_size' set but not used [-Werror=unused-but-set-variable] CC: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31scsi hotplug: Set DriveInfo member bus correctlyMarkus Armbruster1-0/+1
drive_init() picks the first free bus and unit number, unless the user specifies them. This isn't a good fit for the drive_add monitor command, because there we specify the controller by PCI address instead of using bus number set by drive_init(). scsi_hot_add() takes care to replace the unit number set by drive_init() by the real one, but it neglects to replace the bus number. Thus, bus/unit in DriveInfo may be bogus. Affects drive_get() and drive_get_max_bus(). I'm not aware of anything bad happening because of that; looks like by the time we're hot-plugging, the two functions aren't used anymore. Fix it anyway. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31raw-win32: Fix bdrv_flush return valueKevin Wolf1-1/+1
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31qed: Images with backing file do not require QED_F_NEED_CHECKStefan Hajnoczi1-7/+17
The consistency check on open is necessary in order to fix inconsistent table offsets left as a result of a crash mid-operation. Images with a backing file actually flush before updating table offsets and are therefore guaranteed to be consistent. Do not mark these images dirty. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31qcow2: Add bdrv_discard supportKevin Wolf3-0/+92
This adds a bdrv_discard function to qcow2 that frees the discarded clusters. It does not yet pass the discard on to the underlying file system driver, but the space can be reused by future writes to the image. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-01-31qemu-io: Fix discard commandKevin Wolf1-1/+1
qemu-io passed bytes where it's supposed to pass sectors, so discard requests were off. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-01-31sheepdog: support creating images on remote hostsMORITA Kazutaka1-3/+14
This patch parses the input filename in sd_create(), and enables us specifying a target server to create sheepdog images. Signed-off-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31Reorganize struct Qcow2Cache for better struct packingJes Sorensen1-1/+1
Move size after the two pointers in struct Qcow2Cache to get better packing of struct elements on 64 bit architectures. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31ahci: Fix cpu_physical_memory_unmap() argument orderingStefan Hajnoczi1-5/+5
The len and is_write arguments to cpu_physical_memory_unmap() were swapped. This patch changes calls to use the correct argument ordering. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31Add documentation for STRTOSZ_DEFSUFFIX_ macrosJes Sorensen1-0/+7
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31virtio-pci: Disable virtio-ioeventfd when !CONFIG_IOTHREADStefan Hajnoczi1-2/+6
It is not possible to use virtio-ioeventfd when building without an I/O thread. We rely on a signal to kick us out of vcpu execution. Timers and AIO use SIGALRM and SIGUSR2 respectively. Unfortunately eventfd does not support O_ASYNC (SIGIO) so eventfd cannot be used in a signal driven manner. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31virtio-blk: tell the guest about size changesChristoph Hellwig1-0/+10
Raise a config change interrupt when the size changed. This allows virtio-blk guest drivers to read-read the information from the config space once it got the config chaged interrupt. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31block: tell drivers about an image resizeChristoph Hellwig5-8/+25
Extend the change_cb callback with a reason argument, and use it to tell drivers about size changes. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31block: add block_resize monitor commandChristoph Hellwig4-0/+78
Add a monitor command that allows resizing of block devices while qemu is running. It uses the existing bdrv_truncate method already used by qemu-img to do it's work. Compared to qemu-img the size parsing is very simplicistic, but I think having a properly numering object is more useful for non-humand monitor users than having the units and relative resize parsing. For SCSI devices the new size can be updated in Linux guests by doing the following shell command: echo > /sys/class/scsi_device/0:0:0:0/device/rescan For ATA devices I don't know of a way to update the block device size in Linux system, and for virtio-blk the next two patches will provide an automatic update of the size when this command is issued on the host. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31strtosz(): Use suffix macros in switch() statementJes Sorensen1-5/+5
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31strtosz(): Fix name confusion in use of modf()Jes Sorensen1-2/+2
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31strtosz() use qemu_toupper() to simplify switch statementJes Sorensen1-6/+1
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-31strtosz(): use unsigned char and switch to qemu_isspace()Jes Sorensen1-3/+4
isspace() behavior is undefined for signed char. Bug pointed out by Eric Blake, thanks! Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-01-30Update OpenBIOS images to r1018Blue Swirl4-1/+1
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-01-29sdl: remove unused variableBlue Swirl1-6/+0
Variable rec is not used, remove it. Spotted by GCC 4.6.0: CC ui/sdl.o /src/qemu/ui/sdl.c: In function 'sdl_setdata': /src/qemu/ui/sdl.c:90:14: error: variable 'rec' set but not used [-Werror=unused-but-set-variable] Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-01-29New trace-event backend: stderrFabien Chouteau3-3/+65
This backend sends trace events to standard error output during the emulation. Also add a "--list-backends" option to tracetool, so configure script can display the list of available backends. Signed-off-by: Fabien Chouteau <chouteau@adacore.com> Acked-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-01-29prep: Disable second IDE channel, as long as ISA IDE emulation doesn't ↵Hervé Poussineau1-1/+1
support same irq for both channels Cc: Andreas Färber <andreas.faerber@web.de> Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-01-29prep: Remove bogus BIOS size checkAndreas Färber1-3/+0
r3480 added this check to account for the entry vector 0xfff00100 to be available for CPUs that need it. Today however, the NIP is not yet initialized at this point (zero), so the check always triggers. Moreover, BIOS size check is already done previously, so this part can be removed too. Cc: Alexander Graf <agraf@suse.de> Signed-off-by: Andreas Färber <andreas.faerber@web.de> Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-01-29mc146818rtc: update registers after a format changeAurelien Jarno1-1/+9
For some unknown reason, the MIPS kernel briefly changes the RTC to binary mode during boot, switch back to BCD mode and read the time. As the registers are updated only every second, they may still be in the old format when they are read. This patch forces a register update immediately after a format change (BCD/binary or 12/24H). This avoid long fsck during boot due to time wrap. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-01-29mc146818rtc: constantifyAurelien Jarno1-2/+3
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-01-29target-arm: Fix Neon VQ(R)DMULH.S16 instructionsJuha Riihimäki1-1/+2
Correct an error in the implementation of the 16 bit forms of VQ(R)DMULH, bringing them into line with the 32 bit implementation. Signed-off-by: Juha Riihimäki <juha.riihimaki@nokia.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-01-29virtio-blk: fix cross-endianness targetsAurelien Jarno1-15/+25
virtio-blk doesn't work on cross-endian configuration, as endianness is not handled correctly. This patch adds missing endianness conversions to make virtio-blk working. Tested on the following configurations: - i386 guest on x86_64 host - ppc guest on x86_64 host - i386 guest on mips host - ppc guest on mips host Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-01-29virtio-net: fix cross-endianness supportAurelien Jarno1-6/+7
virtio-net used to work on cross-endianness configurations, but doesn't anymore with recent guest kernels, as the new features don't handle endianness correctly. This patch fixes wrong conversion, and add missing ones to make virtio-net working. Tested on the following configurations: - i386 guest on x86_64 host - ppc guest on x86_64 host - i386 guest on mips host - ppc guest on mips host Cc: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-01-29escc: fix interrupt flagsAurelien Jarno1-2/+6
Recent PowerPC kernel end up in kernel panic during boot in -nographic mode. In this mode the second serial port is used as the udbg console, and thus a few characters are sent on this port. This activates the tx interrupt flag, and later choke the Linux kernel, as it was not expecting such a flag to be set. The problem here comes from the fact that contrary to most devices the interrupt flags are only set if the interrupt is enabled. Quoting the datasheet: "If the corresponding IE bit is not set, the IP for that source of interrupt will never be set." This patch fixes that by enabling the interrupt flag only when the corresponding interrupt is enabled. Cc: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-01-29pxa2xx_gpio: switch to using qdevDmitry Eremin-Solenikov6-111/+103
As noted by Markus Armbruster pxa2xx_gpio vmstate version bumped because of a change in the or .ilevel / .olevel arrays are saved, for convenience. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-01-29spitz: make spitz-keyboard to use qdev infrastructureDmitry Eremin-Solenikov1-55/+72
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-01-29spitz: make sl-nand emulation use qdev infrastructureDmitry Eremin-Solenikov4-53/+75
Switch sl-nand emulation to use qdev and vmstate. Also drop ecc_get/_put functions as sl-nand was the only user of that code. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-01-29Use vmstate to save/load spitz-lcdtg and corgi-ssp stateDmitry Eremin-Solenikov1-46/+28
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-01-29SharpSL scoop device - convert to qdevDmitry Eremin-Solenikov4-89/+75
Convert SharpSL scoop device to qdev, remove lots of supporting code, as lot of init and gpio related things can now be done automagically. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-01-27pci: typo in pcibus_get_dev_path()Isaku Yamahata1-1/+1
This patch fixes typo in pcibus_get_dev_path(). Without this patch, the result of pcibus_get_dev_path() isn't unique. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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