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2011-11-17Makefile: fix dependencies for generated .h, .cMichael S. Tsirkin
We have a single rule generating .c and .h files, so .h doesn't depend on .c: both depend on the source schema. Fix Makefile to reflect that - without this, if .c is there and .h is missing, Makefile does not know how to remake .h and assumes it's a dummy target, triggering endless rebuilds. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2011-11-17Makefile: remove more generated files on cleanMichael S. Tsirkin
make clean missed the source qmp files generated by python. Fix that. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2011-11-17qapi: Check for negative enum valuesLuiz Capitulino
We don't currently check for negative enum values in qmp_output_type_enum(), this will very likely generate a segfault when triggered. However, it _seems_ that no code in tree can trigger this today. Acked-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2011-11-14Update version to 1.0-rc2v1.0-rc2Anthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-14pc_piix: set qxl revision to 2 for pc-0.14Alon Levy
The default is still 3, and I didn't change older machine types. Signed-off-by: Alon Levy <alevy@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-14hw/omap_gpio: Fix infinite recursion when doing 8/16 bit readsPeter Maydell
Fix a long-standing bug which meant that any attempt to do an 8 or 16 bit read from the OMAP GPIO module would cause qemu to crash due to an infinite recursion. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-14Revert bugfix e7852674d5 until tested or until after the release.Andrzej Zaborowski
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-11-14hw/onenand: reject read-only drivesJuha Riihimäki
Signed-off-by: Juha Riihimäki <juha.riihimaki@nokia.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-11-14hw/nand: reject read-only drivesJuha Riihimäki
also gracefully fail on nand_device_init() for unsupported block size instead of aborting. Signed-off-by: Juha Riihimäki <juha.riihimaki@nokia.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-11-14hw/arm_sysctl: Fix RESETCTL for realview-pb-a8 and -pbx-a9Jean-Christophe DUBOIS
Depending on the considered baseboard the bit used to reset the platform is different. Here is the list of considered Realview/Versatile platforms: Realview/Versatile AB for ARM926EJ-S: BOARD_ID = 0x100 = BOARD_ID_PB9 http://infocenter.arm.com/help/topic/com.arm.doc.dui0225d/CACCIFGI.html RealView Emulation Baseboard: BOARD_ID = 0x140 = BOARD_ID_EB No reset register RealView PB for Cortex-A8: BOARD_ID = 0x178 = BOARD_ID_PBA8 http://infocenter.arm.com/help/topic/com.arm.doc.dui0417d/BBACIGAD.html RealView PB for Cortex-A9: BOARD_ID = 0x182 = BOARD_ID_PBX http://infocenter.arm.com/help/topic/com.arm.doc.dui0440b/CACCHBFB.html Motherboard Express =C2=B5ATX: BOARD_ID = 0x190 = BOARD_ID_VEXPRESS No reset register Signed-off-by: Jean-Christophe DUBOIS <jcd@tribudubois.net> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-11-14hw/pxa2xx.c: Fix handling of RW bits in PMCRPeter Maydell
Fix an error in commit afd4a6522 which meant that writing a zero to the RW bits in the PMCR wouldn't actually clear them. (Error spotted by Andrzej Zaborowski.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-11-14hw/usb-net.c: Fix precedence bug when checking rndis_statePeter Maydell
"!X == 2" is always false (spotted by Coverity), so the checks for whether rndis is in the correct state would never fire. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-11-13memory: fix 'info mtree' segfaultsAvi Kivity
'info mtree' accesses invalid memory in two cases, both due to incorrect (and unsafe) usage of QTAILQ_FOREACH_SAFE(). Reported-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-11-11Merge remote-tracking branch 'kwolf/block-stable' into stagingAnthony Liguori
2011-11-11vl.c: prohibit simultaneous use of -icount with kvm or xenMax Filippov
With -icount, The vm_clock is updated with help from TCG (it counts instructions at 2^ICOUNT ns/instructions). With KVM, the instruction count is not available so KVM cannot provide this help. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-11hw/arm_timer.c: Fix bounds check for Integrator timer accessesPeter Maydell
There are only three counter/timers on the integrator board: correct the bounds check to avoid an array overrun. (Spotted by Coverity, see bug 887883). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-11hw/pxa2xx.c: Fix handling of R/WC bits in PMCRPeter Maydell
Fix a bug in handling the write-one-to-clear bits in the PMCR which meant that we would always clear the bit even if the value written was a zero. Spotted by Coverity (see bug 887883). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-11hw/pl061: Remove pointless comparison of array to nullPeter Maydell
Remove a pointless comparison of an array to null. (There is no need to check whether s->out[i] is non-null as qemu_set_irq will do that for us.) Spotted by Coverity (see bug 887883). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-11hw/tc58128.c: Remove unnecessary check for g_malloc failurePeter Maydell
Remove a check for g_malloc failing: this never happens. Also use g_malloc rather than g_malloc0 as we immediately memset the entire region and so zero-initialising it is pointless. Spotted by Coverity (see bug 887883). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-11linux-user/elfload.c: Don't memset(NULL..) if malloc() failedPeter Maydell
If a malloc() in copy_elf_strings() failed we would call memset() before the "did malloc fail?" check. Fix this by moving to the glib alloc/free routines for this memory so we can use g_try_malloc0 rather than having a separate memset(). Spotted by Coverity (see bug 887883). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-11hw/omap_intc.c: Avoid crash on access to nonexistent banked registersPeter Maydell
Avoid a crash due to null pointer dereference if a guest attempts to access banked registers for a nonexistent bank. Spotted by Coverity (see bug 887883). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-11os-posix: Plug fd leak in qemu_create_pidfile()Markus Armbruster
Spotted by Coverity. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-11posix-aio-compat: Plug memory leak on paio_init() error pathMarkus Armbruster
Spotted by Coverity. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-11qemu-sockets: Plug fd leak on unix_connect_opts() error pathMarkus Armbruster
Spotted by Coverity. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-11ui: Plug memory leaks on parse_keyboard_layout() error pathMarkus Armbruster
Spotted by Coverity. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-11qemu-char: Plug memory leak on qemu_chr_open_pty() error pathMarkus Armbruster
Spotted by Coverity. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-11migration: fix detached migration with fdJuan Quintela
Migration with fd uses s->mon to pass the fd. But we only assign the s->mon for !detached migration. Fix it. Once there add a comment indicating that s->mon has two uses. Bug reported by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Juan Quintela <quintela@redhat.com> CC: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-11configure: Do not use 'sed -i'Pavel Borzenkov
'sed -i' is not defined in POSIX. It doesn't work on Mac OS X the way it's used in configure (without suffix argument). This patch implements Peter Maydell's idea of xattr.h detection. Cc: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Pavel Borzenkov <pavel.borzenkov@gmail.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-11vl.c: Fail gracefully if no machine is foundAndreas Färber
machine defaults to find_default_machine(), then gets overridden via -M and machine_parse(). If no -M is specified and find_default_machine() returns NULL (when no machine compiled in), exit with an error. Avoids a segfault when setting machine->max_cpus. Signed-off-by: Andreas Färber <andreas.faerber@web.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-11block: Make cache=unsafe flush to the OSKevin Wolf
cache=unsafe completely ignored bdrv_flush, because flushing the host disk costs a lot of performance. However, this means that qcow2 images (and potentially any other format) can lose data even after the guest has issued a flush if the qemu process crashes/is killed. In case of a host crash, data loss is certainly expected with cache=unsafe, but if just the qemu process dies this is a bit too unsafe. Now that we have two separate flush functions, we can choose to flush everythign to the OS, but don't enforce that it's physically written to the disk. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-11block: Introduce bdrv_co_flush_to_osKevin Wolf
qcow2 has a writeback metadata cache, so flushing a qcow2 image actually consists of writing back that cache to the protocol and only then flushes the protocol in order to get everything stable on disk. This introduces a separate bdrv_co_flush_to_os to reflect the split. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-11block: Rename bdrv_co_flush to bdrv_co_flush_to_diskKevin Wolf
There are two different types of flush that you can do: Flushing one level up to the OS (i.e. writing data to the host page cache) or flushing it all the way down to the disk. The existing functions flush to the disk, reflect this in the function name. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-11hw/pc.c: Fix use-while-uninitialized of fd_type[]Peter Maydell
Fix a use-while-uninitialized of the fd_type[] array (introduced in commit 34d4260e1, noticed by Coverity). This is more theoretical than practical, since it's quite hard to get here with floppy==NULL (the qdev_try_create() of the isa-fdc device has to fail). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-11block: Fix vpc initialization of the Dynamic Disk HeaderCharles Arnold
The Data Offset field in the Dynamic Disk Header is an 8 byte field. Although the specification (2006-10-11) gives an example of initializing only the first 4 bytes, images generated by Microsoft on Windows initialize all 8 bytes. Failure to initialize all 8 bytes results in errors from utilities like Citrix's vhd-util which checks specifically for the proper Data Offset field initialization. Signed-off-by: Charles Arnold <carnold@suse.com> Reviewed-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-11qemu-nbd: open the block device after starting the client threadPaolo Bonzini
This is cleaner, because we do not need to close the block device when there is an error opening /dev/nbdX. It was done this way only to print errors before daemonizing. At the same time, use atexit to ensure that the block device is closed whenever we exit. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-11qemu-nbd: fix socket creation racePaolo Bonzini
Now that the client and server are in the same process, there is no need to race on the creation of the socket. We can open the listening socket before starting the client thread. This avoids that "qemu-nbd -v -c" prints this once before connecting successfully to the socket: connect(unix:/var/lock/qemu-nbd-nbd0): No such file or directory Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-11qemu-nbd: print error messages from the daemon through a pipePaolo Bonzini
In order to get nice error messages, keep the qemu-nbd process running until before issuing NBD_DO_IT and connected to the daemon with a pipe. This lets the qemu-nbd process relay error messages from the daemon and exit with a nonzero status if appropriate. Suggested-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-11qemu-nbd: move client to a threadPaolo Bonzini
This avoids that qemu-nbd uses both forking and threads, which do not behave well together. qemu-nbd is already Unix only, and there is no qemu_thread_join, so for now use pthreads. Since the parent and child no longer have separate file descriptors, we can open the NBD device before daemonizing, instead of checking with access(2) and restricting the open to the client only. Reported-by: Pierre Riteau <pierre.riteau@irisa.fr> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-11qemu-nbd: rename socket variablePaolo Bonzini
It will be moved to a global variable by the next patch, and it would conflict with the socket function. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-11qemu-nbd: trap SIGTERMPaolo Bonzini
The client process right now uses SIGTERM to interrupt the server side. This does not affect the exit status of "qemu-nbd -v -c" because the server is a child process. This will change when both sides will be in the same process, and anyway cleaning up things nicely upon SIGTERM is good practice. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-11nbd: treat EPIPE from NBD_DO_IT as successPaolo Bonzini
This can be seen with "qemu-nbd -v -c", which returns 1 instead of 0 when you disconnect with "qemu-nbd -d". Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-11scsi-disk: implement eject requestsPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-11atapi: implement eject requestsPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-11block: add eject request callbackPaolo Bonzini
Recent versions of udev always keep the tray locked so that the kernel can observe "eject request" events (aka tray button presses) even on discs that aren't mounted. Add support for these events in the ATAPI and SCSI cd drive device models. To let management cope with the behavior of udev, an event should also be added for "tray opened/closed". This way, after issuing an "eject" command, management can poll until the guests actually reacts to the command. They can then issue the "change" command after the tray has been opened, or try with "eject -f" after a (configurable?) timeout. However, with this patch and the corresponding support in the device models, at least it is possible to do a manual two-step eject+change sequence. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-11vvfat: Fix read-write modeKevin Wolf
vvfat used to directly call into the qcow2 block driver instead of using the block.c wrappers. With the coroutine conversion, this stopped working. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2011-11-10hw/lan9118.c: Add missing 'break' to fix buffer overrunPeter Maydell
Add a missing 'break' statement to fix a buffer overrun when executing the EEPROM write-all command. Spotted by Coverity (see bug 887883). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-11-10x86/cpuid: Fix crash on -cpu ""Markus Armbruster
Spotted by Coverity. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-11-10x86/cpuid: Plug memory leak in cpudef_setfield()Markus Armbruster
To reproduce the leak, put two name options into the same [cpudef] section of target-x86_64.conf. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-11-10x86/cpuid: Convert remaining strdup() to g_strdup()Markus Armbruster
Fixes missing error checking. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-11-10ui/vnc: Convert sasl.mechlist to g_malloc() & friendsMarkus Armbruster
Fixes protocol_client_auth_sasl_mechname() not to crash when malloc() fails. Spotted by Coverity. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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