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2011-11-289pfs: improve portability to older systemsPaolo Bonzini
Small requirements on "new" features have percolated to virtio-9p-local.c. In particular, the utimensat wrapper actually only supports dirfd = AT_FDCWD and flags = AT_SYMLINK_NOFOLLOW in the fallback code. Remove the arguments so that virtio-9p-local.c will not use AT_* constants. At the same time, fail local_ioc_getversion if the ioctl is not supported by the host. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-28Merge remote-tracking branch 'kwolf/block-stable' into stagingAnthony Liguori
2011-11-28Merge remote-tracking branch 'kraxel/usb.32' into stagingAnthony Liguori
2011-11-28Merge remote-tracking branch 'stefanha/trivial-patches' into stagingAnthony Liguori
2011-11-28Revert "i386: derive '-cpu host' from KVM_GET_SUPPORTED_CPUID"Anthony Liguori
This reverts commit 66e3dd9282141b5ae75637c9676002cf3ceeb988. From Avi, "Anthony, I think we should revert that commit and refactor cpuid for 1.1. The logic is spread over too many places which makes it hard to reason about." Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-26tci: Add entry to MAINTAINERSStefan Weil
This should have be part of my TCI patch series. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-11-26MAINTAINERS: add checkpatchBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-11-26checkpatch.pl: fix CAST detectionFlorian Mickler
We should only claim that something is a cast if we did not encouter a token before, that did set av_pending. This fixes the operator * in the line below to be detected as binary (vs unary). kmalloc(sizeof(struct alphatrack_ocmd) * true_size, GFP_KERNEL); Reported-by: Peter Chubb <nicta.com.au> Signed-off-by: Florian Mickler <florian@mickler.org> (cherry-picked from Linux kernel commit c023e4734c3e8801e0ecb5e81b831d42a374d861) Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Cc: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-11-26target-xtensa: fix MMUv3 initializationMax Filippov
- ITLB/DTLB ways 5 and 6 have 4 and 8 entries respectively; - ITLB/DTLB way 6 attr field is set to 3 on reset. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-11-23usb-host: add usb_host_do_reset function.Gerd Hoffmann
Add a special function to reset the host usb device. It tracks the time needed by the USBDEVFS_RESET ioctl and prints a warning in case it needs too long. Usually it should be finished in 200 - 300 miliseconds. Warning threshold is one second. Intention is to help troubleshooting by indicating that the usb device stopped responding even to a reset request and is possibly broken. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-11-23vpc: Add missing error handling in alloc_blockKevin Wolf
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-11-23vdi: Fix memory leakKevin Wolf
The block map is allocated in vdi_open, but was never freed. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-23vvfat: Add migration blockerKevin Wolf
vvfat caches more or less everything when in writable mode. For migration to work, it would have to be invalidated. Block migration for now when in writable mode (default is readonly). Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-23vpc: Add migration blockerKevin Wolf
vpc caches the BAT. For migration to work, it would have to be invalidated. Block migration for now. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-23vmdk: Add migration blockerKevin Wolf
VMDK caches L2 tables. For migration to work, they would have to be invalidated. Block migration for now. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-23vdi: Add migration blockerKevin Wolf
vdi caches the block map. For migration to work, it would have to be invalidated. Block migration for now. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-23qcow: Add migration blockerKevin Wolf
qcow caches L2 tables. For migration to work, they would have to be invalidated. Block migration for now. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-23usb-ehci: add register namesGerd Hoffmann
The mmio register name list only had the names for four port status registers. We emulate a EHCI adapter with six ports though, the last two ones are listed as "unknown" in traces. Fix it. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-11-23usb-ehci: codestyle fixupsGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-11-23usb-hub: implement resetGerd Hoffmann
based on a patch from hkran@linux.vnet.ibm.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-11-23fix out of tree buildStefano Stabellini
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-11-23rtl8139: Fix invalid IO access alignmentJulian Pidancet
This patch makes iPXE work with the rtl8139 emulation. The rtl8139 driver in iPXE issues a 16bit access on the ChipCmd register (offset 0x37) to check the status of the rx buffer. The offset of the ioport access was getting fixed up to 0x36 in qemu, causing the value read in iPXE to be invalid. This fixes an issue with iPXE reporting timeouts during TFTP transfers. Reposting this here because it is trivial enough and the original post on qemu-devel didn't attract much attention. Also, the inw() which was causing the issue has been replaced with an inb() in upstream iPXE: https://git.ipxe.org/ipxe.git/commit/91dd64ad25baa27954a7518e73df4fca8a2d0c93 Signed-off-by: Julian Pidancet <julian.pidancet@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-11-22usb-hub: wakeup on detach too.Gerd Hoffmann
When detaching devices from the usb hub we must wakeup too, otherwise the host misses the detach event. Commit 4a33a9ea06f6fbb08d8311a7cfed72975344f9ab does the same for device attach. Found by hkran@linux.vnet.ibm.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-11-22usb: fix usb_qdev_init error handling.Gerd Hoffmann
qdev doesn't call the ->exit callback on ->init failures, so we have to take care ourself that we cleanup property on errors. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-11-22usb: make usb_create_simple catch and pass up errors.Gerd Hoffmann
Use qdev_init() instead of qdev_init_nofail(), usb device initialization can fail, most common case being port and device speed mismatch. Handle failures correctly and pass up NULL pointers then. Also fixup usb_create_simple() callers (only one was buggy) to properly check for NULL pointers before referncing the usb_create_simple() return value. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-11-22slirp: Clean up net_slirp_hostfwd_remove()'s use of get_str_sep()Markus Armbruster
get_str_sep() can fail, but net_slirp_hostfwd_remove() doesn't check. Works, because it initializes buf[] to "", which get_str_sep() doesn't touch when it fails. Coverity doesn't like it, and neither do I. Change it to work exactly like slirp_hostfwd(). Acked-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-11-22sheepdog: Avoid deadlock in error pathDong Xu Wang
s->lock should be unlocked before leaving add_aio_request. Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-22scsi-generic: add as boot devicePaolo Bonzini
There is no reason why a scsi-generic device cannot boot if it has the right type, and indeed it provides already a bootindex property. So register those devices too. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-22scsi: fix fw pathPaolo Bonzini
The pre-1.0 firmware path for SCSI devices already included the LUN using the suffix argument to add_boot_device_path. Avoid that it is included twice, and convert the colons to commas for consistency with other kinds of devices Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-22usb-msd: do not register twice in the boot orderPaolo Bonzini
USB mass storage devices are registered twice in the boot order. To avoid having to keep the two paths in sync, pass the bootindex property down to the scsi-disk device and let it register itself. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-22virtio-blk: fix cross-endian config spacePaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-11-21Update version for 1.0-rc3 releasev1.0-rc3Anthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-21configure: check for EFD_NONBLOCK | EFD_CLOEXEC flagsMax Filippov
Add check for the EFD_NONBLOCK and EFD_CLOEXEC flags to the CONFIG_EVENTFD test. This fixes the following build failure on Fedora 9: CC event_notifier.o event_notifier.c: In function `event_notifier_init': event_notifier.c:21: error: `EFD_NONBLOCK' undeclared (first use in this function) event_notifier.c:21: error: (Each undeclared identifier is reported only once event_notifier.c:21: error: for each function it appears in.) event_notifier.c:21: error: `EFD_CLOEXEC' undeclared (first use in this function) make: *** [event_notifier.o] Error 1 Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-21configure: build position independent executables on x86-Linux hostsAvi Kivity
Change the default on x86 Linux hosts to building PIE (position independent executables); instead of restricting the option to user-only targets, apply it to all targets. In addition, set the relocation sections to read-only (relro) when available; this reduces the attack surface by disallowing changes to relocation tables at runtime. While PIE reduces performance and relro increases load time, it greatly improves security, with the potential to reduce a code execution vulnerability to a self denial of service. Non-x86 are not changed, as they require TCG changes; neither are non-Linux, due to lack of test coverage. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-21ivshmem: fix PCI BAR2 registration during initializationHongyong Zang
Ivshmem cannot work, and the command lspci cannot show ivshmem BAR2 in the guest. As for pci_register_bar(), parameter MemoryRegion should be s->bar instead of s->ivshmem. Reviewed-by: Avi Kivity <avi@redhat.com> Signed-off-by: Hongyong Zang <zanghongyong@huawei.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-21msix: avoid mask updates if mask is unchangedMichael S. Tsirkin
Check pending bit only if vector mask status changed. This is not really important for qemu.git but helps fix a bug in qemu-kvm.git. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-21msix: Prevent bogus mask updates on MMIO accessesMichael S. Tsirkin
>From: Jan Kiszka <jan.kiszka@siemens.com> Only accesses to the MSI-X table must trigger a call to msix_handle_mask_update, otherwise the vector value might be out of range. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-21msix: track function masked in pci device stateMichael S. Tsirkin
Only go over the table when function is masked. This is not really important for qemu.git but helps fix a bug in qemu-kvm.git. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-21Include zlib.h using #include <>Stefan Weil
zlib.h is not a local include file, therefore it should be included using <> instead of "". Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-219p: pass dotl flags to the unlinkat methodPaolo Bonzini
AT_REMOVEDIR is not defined on all systems. Pass the raw flags from the 9p protocol, which are always there. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-219p: allow compiling the dummy virtio-9p-handle.c code on LinuxPaolo Bonzini
Avoid a conflict on the definition of struct file_handle by using a replacement name. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-21qed: add migration blocker (v2)Anthony Liguori
Now when you try to migrate with qed, you get: (qemu) migrate tcp:localhost:1025 Block format 'qed' used by device 'ide0-hd0' does not support feature 'live migration' (qemu) Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-21qcow2: implement bdrv_invalidate_cache (v2)Anthony Liguori
We don't reopen the actual file, but instead invoke the close and open routines. We specifically ignore the backing file since it's contents are read-only and therefore immutable. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-21block: allow migration to work with image files (v3)Anthony Liguori
Image files have two types of data: immutable data that describes things like image size, backing files, etc. and mutable data that includes offset and reference count tables. Today, image formats aggressively cache mutable data to improve performance. In some cases, this happens before a guest even starts. When dealing with live migration, since a file is open on two machines, the caching of meta data can lead to data corruption. This patch addresses this by introducing a mechanism to invalidate any cached mutable data a block driver may have which is then used by the live migration code. NB, this still requires coherent shared storage. Addressing migration without coherent shared storage (i.e. NFS) requires additional work. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-21ivshmem: use migration blockers to prevent live migration in peer mode (v2)Anthony Liguori
Now when you try to migrate with ivshmem, you get a proper QMP error: (qemu) migrate tcp:localhost:1025 Migration is disabled when using feature 'peer mode' in device 'ivshmem' (qemu) Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-21migrate: add migration blockersAnthony Liguori
This lets different subsystems register an Error that is thrown whenever migration is attempted. This works nicely because it gracefully supports things like hotplug. Right now, if multiple errors are registered, only one of them is reported. I expect that for 1.1, we'll extend query-migrate to return all of the reasons why migration is disabled at any given point in time. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-21Merge remote-tracking branch 'kraxel/usb.31' into stagingAnthony Liguori
2011-11-21Merge remote-tracking branch 'origin/master' into stagingAnthony Liguori
2011-11-21usb-linux: fix /proc/bus/usb/devices scanGerd Hoffmann
Commit 0c402e5abb8c2755390eee864b43a98280fc2453 is incomplete and misses one of the two function pointer calls in usb_host_scan_dev(). Add the additional port handling logic to the other call too. Spotted by Coverity. Cc: Markus Armbruster <armbru@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-11-21ehci: add assertGerd Hoffmann
Coverity thinks q could be NULL there and warns. I believe it can't be NULL there. Add assert to prove it. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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