bs->total_sectors is not yet updated at this point. resulting
in memory corruption if the volume has grown and data is written
to the newly availble areas.
CC: qemu-stable@nongnu.org
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Replace "init/destroy" with "realize/unrealize" in SCSIDeviceClass,
which has errp as a parameter. So all the implementations now use
error_setg instead of error_report for reporting error.
Also in scsi_bus_legacy_handle_cmdline, report the error when
initializing the if=scsi devices, before returning it, because in the
callee, error_report is changed to error_setg. And the callers don't
have the right locations (e.g. "-drive if=scsi").
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This allows us to pass error information to caller.
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
If we make use of OVMF for the BIOS then we can use GPUs without VGA
space access, but we still need this quirk. Disassociate it from the
x-vga option and enable it on all NVIDIA VGA display class devices.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
A bunch of bugfixes - these will make sense for 2.1.1
ACPI support for TPM and partial ARI support for PCIE.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pci, pc fixes, features
A bunch of bugfixes - these will make sense for 2.1.1
ACPI support for TPM and partial ARI support for PCIE.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Sun 24 Aug 2014 23:16:35 BST using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
* remotes/mst/tags/for_upstream:
pcie: fix trailing whitespace
ioh3420: Enable ARI forwarding
ioh3420: Remove obsoleted, unused ioh3420_init function
pcie: Rename the pcie_cap_ari_* functions to pcie_cap_arifwd_*
pcie: Fix incorrect write to the ari capability next function field
ssdt-tpm: add generated hex file to git
Add ACPI tables for TPM
pc: reserve more memory for ACPI for new machine types
pcihp: fix possible array out of bounds
pci_bridge: manually destroy memory regions within PCIBridgeWindows
hostmem: set MPOL_MF_MOVE
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The SDM specifies (June 2014 Vol3 11.11.5):
On a hardware reset, the P6 and more recent processors clear the
valid flags in variable-range MTRRs and clear the E flag in the
IA32_MTRR_DEF_TYPE MSR to disable all MTRRs. All other bits in the
MTRRs are undefined.
We currently do none of that, so whatever MTRR settings you had prior
to reset is what you have after reset. Usually this doesn't matter
because KVM often ignores the guest mappings and uses write-back
anyway. However, if you have an assigned device and an IOMMU that
allows NoSnoop for that device, KVM defers to the guest memory
mappings which are now stale after reset. The result is that OVMF
rebooting on such a configuration takes a full minute to LZMA
decompress the firmware volume, a process that is nearly instant on
the initial boot.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The MTRR state in KVM currently runs completely independent of the
QEMU state in CPUX86State.mtrr_*. This means that on migration, the
target loses MTRR state from the source. Generally that's ok though
because KVM ignores it and maps everything as write-back anyway. The
exception to this rule is when we have an assigned device and an IOMMU
that doesn't promote NoSnoop transactions from that device to be cache
coherent. In that case KVM trusts the guest mapping of memory as
configured in the MTRR.
This patch updates kvm_get|put_msrs() so that we retrieve the actual
vCPU MTRR settings and therefore keep CPUX86State synchronized for
migration. kvm_put_msrs() is also used on vCPU reset and therefore
allows future modificaitons of MTRR state at reset to be realized.
Note that the entries array used by both functions was already
slightly undersized for holding every possible MSR, so this patch
increases it beyond the 28 new entries necessary for MTRR state.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We currently define the number of variable range MTRR registers as 8
in the CPUX86State structure and vmstate, but use MSR_MTRRcap_VCNT
(also 8) to report to guests the number available. Change this to
use MSR_MTRRcap_VCNT consistently.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Commit e8f6d00c30 ("target-i386: raise
page fault for reserved physical address bits") added a check that the
NX bit is not set on PAE PDPEs, but it also added it to rsvd_mask for
the rest of the function. This caused any PDEs or PTEs with NX set to be
erroneously rejected, making PAE guests with NX support unusable.
Signed-off-by: William Grant <wgrant@ubuntu.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Merge remote-tracking branch 'remotes/mjt/tags/trivial-patches-2014-08-24' into staging
trivial patches for 2014-08-24
# gpg: Signature made Sun 24 Aug 2014 14:28:49 BST using RSA key ID A4C3D7DB
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>"
# gpg: aka "Michael Tokarev <mjt@corpit.ru>"
# gpg: aka "Michael Tokarev <mjt@debian.org>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D 4324 457C E0A0 8044 65C5
# Subkey fingerprint: 6F67 E18E 7C91 C5B1 5514 66A7 BEE5 9D74 A4C3 D7DB
* remotes/mjt/tags/trivial-patches-2014-08-24:
vmxnet3: Pad short frames to minimum size (60 bytes)
libdecnumber: Fix warnings from smatch (missing static, boolean operations)
linux-user: fix file descriptor leaks
po: Fix Makefile rules for in-tree builds without configuration
slirp/misc: Use the GLib memory allocation APIs
configure: no need to mkdir QMP
dma: axidma: Variablise repeated s->streams[i] sub-expr
microblaze: ml605: Get rid of ddr_base variable
tests/bios-tables-test: check the value returned by fopen()
tcg: dump op count into qemu log
util/path: Use the GLib memory allocation routines
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This implements an NMI interface POWERPC SPAPR machine.
This enables an "nmi" HMP/QMP command supported on SPAPR.
This calls POWERPC_EXCP_RESET (vector 0x100) in the guest to deliver NMI
to every CPU. The expected result is XMON (in-kernel debugger) invocation.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This implements an NMI interface for s390 and s390-ccw machines.
This removes #ifdef s390 branch in qmp_inject_nmi so new s390's
nmi_monitor_handler() callback is going to be used for NMI.
Since nmi_monitor_handler()-calling code is platform independent,
CPUState::cpu_index is used instead of S390CPU::env.cpu_num.
There should not be any change in behaviour as both @cpu_index and
@cpu_num are global CPU numbers.
Note that s390_cpu_restart() already takes care of the specified cpu,
so we don't need to schedule via async_run_on_cpu().
Since the only error s390_cpu_restart() can return is ENOSYS, convert
it to QERR_UNSUPPORTED.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This converts s390-virtio and s390-ccw-virtio machines to QOM MachineClass.
This brings ability to add interfaces to the machine classes. The first
interface for addition will be NMI.
The patch is mechanical so no change in behavior is expected.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This introduces an NMI (Non Maskable Interrupt) interface with
a single nmi_monitor_handler() method. A machine or a device can
implement it. This searches for an QOM object with this interface
and if it is implemented, calls it. The callback implements an action
required to cause debug crash dump on in-kernel debugger invocation.
The callback returns Error**.
This adds a nmi_monitor_handle() helper which walks through
all objects to find the interface. The interface method is called
for all found instances.
This adds support for it in qmp_inject_nmi(). Since no architecture
supports it at the moment, there is no change in behaviour.
This changes inject-nmi command description for HMP and QMP.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Rename helper functions to make a clearer distinction between
the PCIe capability/control register feature ARI forwarding and a
device that supports the ARI feature via an ARI extended PCIe capability.
Signed-off-by: Knut Omang <knut.omang@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
PCI_ARI_CAP_NFN, a macro for reading next function was used instead of
the intended write.
Signed-off-by: Knut Omang <knut.omang@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
commit 868270f23d
acpi-build: tweak acpi migration limits
broke kernel loading with -kernel/-initrd: it doubled
the size of ACPI tables but did not reserve
enough memory.
As a result, issues on boot and halt are observed.
Fix this up by doubling reserved memory for new machine types.
Cc: qemu-stable@nongnu.org
Reported-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Prevent out-of-bounds array access on
acpi_pcihp_pci_status.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
The regions are destroyed and recreated on configuration space accesses.
We need to destroy them before the containing PCIBridgeWindows object
is freed.
Reported-by: Gonglei <arei.gonglei@huawei.com>
Reported-by: Knut Omang <knut.omang@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
When running VMware ESXi under qemu-kvm the guest discards frames
that are too short. Short ARP Requests will be dropped, this prevents
guests on the same bridge as VMware ESXi from communicating. This patch
simply adds the padding on the network device itself.
Signed-off-by: Ben Draper <ben@xrsa.net>
Reviewed-by: Dmitry Fleytman <dmitry@daynix.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Handle variable "fd_orig" going out of scope leaks the handle.
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Reviewed-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Adding 'update' to the phony targets fixes this error:
$ LANG=C make -C po update
make: Entering directory `/qemu/po'
LINK update
/qemu/po/de_DE.po: file not recognized: File format not recognized
collect2: error: ld returned 1 exit status
make: *** [update] Error 1
make: Leaving directory `/qemu/po'
Some other phony targets (build, install) were also added, and the
existing .PHONY statement was moved to a more prominent position at
the beginning of the Makefile.
The patch also fixes a 2nd bug. The default target should be 'all',
but instead 'modules' (from rules.mak) was the default. Fix this by
adding 'all' as a target before any include statement.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Here we don't check the return value of malloc() which may fail.
Use the g_new() instead, which will abort the program when
there is not enough memory.
Also, use g_strdup instead of strdup and remove the unnecessary
strdup function.
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Benoît Canet <benoit.canet@nodalink.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
commit 7537fe04 QMP: QMP/ -> docs/qmp/
Above commit has moved last QMP files to docs/qmp and it's not necessary
to create QMP directory. So remove it from configure.
Signed-off-by: Liming Wang <liming.wang@canonical.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This have 6 inline usages. Make it a bit more readable by using a local
variable.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
It's a constant based on a macro. Just use the macro in place.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
The function fopen() may fail, so check its return value.
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Li Liu <john.liuli@huawei.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
fopen() may fail and it does not check its return vaule here,
it is better to dump op count to the normal log file.
Signed-off-by: Li Liu <john.liuli@huawei.com>
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
In this file, we don't check the return value of malloc/strdup/realloc which may fail.
Instead of using these routines, we use the GLib memory APIs g_malloc/g_strdup/g_realloc.
They will exit on allocation failure, so there is no need to test for failure,
which would be fine for setup.
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
Block patches
# gpg: Signature made Fri 22 Aug 2014 14:47:53 BST using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
* remotes/kevin/tags/for-upstream: (29 commits)
qemu-img: Allow cache mode specification for amend
qemu-img: Allow source cache mode specification
vmdk: Use bdrv_nb_sectors() where sectors, not bytes are wanted
blkdebug: Delete BH in bdrv_aio_cancel
qemu-iotests: add test case 101 for short file I/O
raw-posix: fix O_DIRECT short reads
block/iscsi: fix memory corruption on iscsi resize
block/vvfat.c: remove debugging code to reinit stderr if NULL
iotests: Add test for image filename construction
quorum: Implement bdrv_refresh_filename()
nbd: Implement bdrv_refresh_filename()
blkverify: Implement bdrv_refresh_filename()
blkdebug: Implement bdrv_refresh_filename()
block: Add bdrv_refresh_filename()
virtio-blk: fix reference a pointer which might be freed
virtio-blk: allow block_resize with dataplane
block: acquire AioContext in qmp_block_resize()
qemu-iotests: Fix 028 reference output for qed
test-coroutine: test cost introduced by coroutine
iotests: Add test for qcow2's cache options
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
qemu-img amend may extensively modify the target image, depending on the
options to be amended (e.g. conversion to qcow2 compat level 0.10 from
1.1 for an image with many unallocated zero clusters). Therefore it
makes sense to allow the user to specify the cache mode to be used.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Many qemu-img subcommands only read the source file(s) once. For these
use cases, a full write-back cache is unnecessary and mainly clutters
host cache memory. Though this is generally no concern as cache memory
is freely available and can be scaled by the host OS, it may become a
concern with thin provisioning.
For these cases, it makes sense to allow users to freely specify the
source cache mode (e.g. use no cache at all).
This commit adds a new switch (-T) for the qemu-img subcommands check,
compare, convert and rebase to specify the cache to be used for source
images (the backing file in case of rebase).
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Although not technically not required by POSIX, the writev system call will
typically write out its buffers individually. That is, if the first buffer
is written successfully, but the second buffer pointer is invalid, then
the first chuck will be written and its size is returned.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
The argument to the mlockall system call is not necessarily the same on
all platforms and thus may require translation prior to passing to the
host.
For example, PowerPC 64 bit platforms define values for MCL_CURRENT
(0x2000) and MCL_FUTURE (0x4000) which are different from Intel platforms
(0x1 and 0x2, respectively)
Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
The clock_nanosleep syscall is unusual in that it returns positive
numbers in error handling situations, versus returning -1 and setting
errno, or returning a negative errno value. On POWER, the kernel will
set the SO bit of CR0 to indicate failure in a syscall. QEMU has
generic handling to do this for syscalls with standard return values.
Add special case code for clock_nanosleep to handle CR0 properly.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
The ELF V2 ABI for PPC64 defines MINSIGSTKSZ as 4096 bytes whereas it was
2048 previously.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
The get_ppc64_abi is used to determine the ELF ABI (i.e. V1 or V2). This
routine is currently implemented in the linux-user/elfload.c file but
is useful in other scenarios. Move the routine to a more generally
available location (linux-user/ppc/target_cpu.h).
Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Properly detect a fault when attempting to store into an invalid
struct timespec pointer.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
The sched_getparam, sched_setparam and sched_setscheduler system
calls take a pointer argument to a sched_param structure. When
this pointer is null, errno should be set to EINVAL.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
The msgsnd system call takes an argument that describes the message
size (msgsz) and is of type size_t. The system call should set
errno to EINVAL in the event that a negative message size is passed.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
The mq_open system call takes an optional struct mq_attr pointer
argument in the fourth position. This pointer is used when O_CREAT
is specified in the flags (second) argument. It may be NULL, in
which case the queue is created with implementation defined attributes.
Change the code to properly handle the case when NULL is passed in the
arg4 position.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Peter Lieven
Fam Zheng
Peter Maydell
Alex Williamson
William Grant
Alexey Kardashevskiy
Michael S. Tsirkin
Knut Omang
Stefan Berger
Gonglei
Paolo Bonzini
Ben Draper
Stefan Weil
zhanghailiang
Liming Wang
Peter Crosthwaite
Max Reitz
Tom Musta