Commit 032a74a1c0
("virtio-net: byteswap virtio-net header") breaks any layout by
requiring out_sg[0].iov_len >= n->guest_hdr_len. Fixing this by
copying header to temporary buffer if swap is needed, and then use
this buffer as part of out_sg.
Fixes 032a74a1c0
("virtio-net: byteswap virtio-net header")
Cc: qemu-stable@nongnu.org
Cc: clg@fr.ibm.com
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This reverts commit 830d70db69.
The interface isn't fully backwards-compatible, which is bad.
Let's redo this properly after 2.4.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
By declaring another .subsections array for vmstate_tco_io_state made
vmstate_memhp_state not registered anymore. There must be only one
.subsections array for all subsections.
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Amit Shah <amit.shah@redhat.com>
Reported-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Paulo Alcantara <pcacjr@zytor.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
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Merge remote-tracking branch 'remotes/amit-virtio-rng/tags/vrng-2.4' into staging
Fire timer only when required. Brings down wakeups by a big number.
# gpg: Signature made Fri Jul 17 14:41:40 2015 BST using RSA key ID 854083B6
# gpg: Good signature from "Amit Shah <amit@amitshah.net>"
# gpg: aka "Amit Shah <amit@kernel.org>"
# gpg: aka "Amit Shah <amitshah@gmx.net>"
* remotes/amit-virtio-rng/tags/vrng-2.4:
virtio-rng: trigger timer only when guest requests for entropy
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This patch triggers timer only when guest requests for
entropy. As soon as first request from guest for entropy
comes we set the timer. Timer bumps up the quota value
when it gets triggered.
Signed-off-by: Pankaj Gupta <pagupta@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Message-Id: <1436962608-9961-2-git-send-email-pagupta@redhat.com>
[Re-worded patch subject, removed extra whitespace -- Amit]
Signed-off-by: Amit Shah <amit.shah@redhat.com>
This reverts commit 4e8cfbe114.
We should not poll via timer, and with ccid being fixed
to properly notify us about pending transfers we don't have to.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Coverity thinks the fallthroughs are smelly. They are correct, but
everything else in this function is like "wut?".
Refer explicitly to bits 8 and 9 of hs->kbd.modifiers instead of
shifting right first and using (1 << 7). Document what the scancode
is when hid_code is 0xe0. And add plenty of comments.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Calling a function pointer that was cast from an incompatible function
results in undefined behavior. 'void *' isn't compatible with 'struct
XXX *', so we can't cast to nettle_cipher_func, but have to provide a
wrapper. (Conversion from 'void *' to 'struct XXX *' might require
computation, which won't be done if we drop argument's true type, and
pointers can have different sizes so passing arguments on stack would
bug.)
Having two different prototypes based on nettle version doesn't make
this solution any nicer.
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Message-Id: <1437062641-12684-3-git-send-email-rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In nettle 3, cbc_encrypt() accepts 'nettle_cipher_func' instead of
'nettle_crypt_func' and these two differ in 'const' qualifier of the
first argument. The build fails with:
In file included from crypto/cipher.c:71:0:
./crypto/cipher-nettle.c: In function ‘qcrypto_cipher_encrypt’:
./crypto/cipher-nettle.c:154:38: error: passing argument 2 of
‘nettle_cbc_encrypt’ from incompatible pointer type
cbc_encrypt(ctx->ctx_encrypt, ctx->alg_encrypt,
^
In file included from ./crypto/cipher-nettle.c:24:0,
from crypto/cipher.c:71:
/usr/include/nettle/cbc.h:48:1: note: expected
‘void (*)(const void *, size_t, uint8_t *, const uint8_t *)
but argument is of type
‘void (*)( void *, size_t, uint8_t *, const uint8_t *)
To allow both versions, we switch to the new definition and #if typedef
it for old versions.
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Message-Id: <1436548682-9315-2-git-send-email-rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
memory_region_present() leaks a reference to a MemoryRegion in the
case "mr == container". While fixing it, avoid reference counting
altogether for memory_region_present(), by using RCU only.
The return value could in principle be already invalid immediately
after memory_region_present returns, but presumably the caller knows
that and it's using memory_region_present to probe for devices that
are unpluggable, or something like that. The RCU critical section
is needed anyway, because it protects as->current_map.
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The error checks I added used 'break' after the error, but I'm
in a switch inside the while loop, so they need to be 'goto out'.
Spotted by coverity; entries 1311368 and 1311369
Fixes: afcddefd
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <1436555332-19076-1-git-send-email-dgilbert@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In case we're running on a 64-bit host, be sure to sign extend the
general purpose registers and hi/lo/pc before writing them to KVM, so as
to take advantage of MIPS32/MIPS64 compatibility.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Leon Alrae <leon.alrae@imgtec.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: kvm@vger.kernel.org
Cc: qemu-stable@nongnu.org
Message-Id: <1429871214-23514-3-git-send-email-james.hogan@imgtec.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Fix access to 32-bit registers on big endian targets. The pointer passed
to the kernel must be for the actual 32-bit value, not a temporary
64-bit value, otherwise on big endian systems the kernel will only
interpret the upper half.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Leon Alrae <leon.alrae@imgtec.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: kvm@vger.kernel.org
Cc: qemu-stable@nongnu.org
Message-Id: <1429871214-23514-2-git-send-email-james.hogan@imgtec.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Drop from include/standard-headers/linux/input.h
Add to hw/input/virtio-input-host.c instead.
That allows to build virtio-input (except pass-through) on windows.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
commit 5cce173 introduced virtio-input segfault, This patch fixes it.
Signed-off-by: Lin Ma <lma@suse.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This patch allow to limit number of heads using qxl driver. By default
qxl driver is not limited on any kind on head use so can decide to use
as much heads.
libvirt has this as a video card parameter (actually set to 1 but not
used). This parameter will allow to limit setting a use can do (which
could be confusing).
Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Two bug fixes:
* Memory leak due to extra g_strdup() when registering X86CPU alias properties
* Fix CPUID levels so that W10 insider can run as guest OS
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Merge remote-tracking branch 'remotes/ehabkost/tags/x86-pull-request' into staging
X86 queue, 2015-07-15
Two bug fixes:
* Memory leak due to extra g_strdup() when registering X86CPU alias properties
* Fix CPUID levels so that W10 insider can run as guest OS
# gpg: Signature made Wed Jul 15 21:26:59 2015 BST using RSA key ID 984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@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: 5A32 2FD5 ABC4 D3DB ACCF D1AA 2807 936F 984D C5A6
* remotes/ehabkost/tags/x86-pull-request:
target-i386: emulate CPUID level of real hardware
target-i386: Don't strdup() alias property name
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/ehabkost/tags/numa-pull-request' into staging
NUMA queue, 2015-07-15
# gpg: Signature made Wed Jul 15 21:01:37 2015 BST using RSA key ID 984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@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: 5A32 2FD5 ABC4 D3DB ACCF D1AA 2807 936F 984D C5A6
* remotes/ehabkost/tags/numa-pull-request:
numa: Fix memory leak in numa_set_mem_node_id()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
W10 insider has a bug where it ignores CPUID level and interprets
CPUID.(EAX=07H, ECX=0H) incorrectly, because CPUID in fact returned
CPUID.(EAX=04H, ECX=0H); this resulted in execution of unsupported
instructions.
While it's a Windows bug, there is no reason to emulate incorrect level.
I used http://instlatx64.atw.hu/ as a source of CPUID and checked that
it matches Penryn Xeon X5472, Westmere Xeon W3520, SandyBridge i5-2540M,
and Haswell i5-4670T.
kvm64 and qemu64 were bumped to 0xD to allow all available features for
them (and to avoid the same Windows bug).
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Now object_property_add_alias() calls g_strdup() on the target property
name, so we don't need to call g_strdup() ourselves.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The Linux kernel on aarch64 creates a page table entry at early bootup
that spans the 2MB range on memory spanning the fdt start address:
[ ALIGN_DOWN(fdt, 2MB) ... ALIGN_DOWN(fdt, 2MB) + 2MB ]
This means that when our current 4k alignment happens to fall at the end
of the aligned region, Linux tries to access memory that is not mapped.
The easy fix is to instead increase the alignment to 2MB, making Linux's
logic always succeed.
We leave the existing 4k alignment for 32bit kernels to not cause any
regressions due to space constraints.
Reported-by: Andreas Schwab <schwab@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The SCTLR_EL3 cpreg definition was implicitly resetting the
register state to 0, which is both wrong and clashes with
the reset done via the SCTLR definition (since sctlr[3]
is unioned with sctlr_s). This went unnoticed until recently,
when an unrelated change (commit a903c449b4) happened to
perturb the order of enumeration through the cpregs hashtable for
reset such that the erroneous reset happened after the correct one
rather than before it. Fix this by marking SCTLR_EL3 as an alias,
so its reset is left up to the AArch32 view.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
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Merge remote-tracking branch 'remotes/cody/tags/jtc-for-upstream-pull-request' into staging
# gpg: Signature made Wed Jul 15 03:25:16 2015 BST using RSA key ID C0DE3057
# gpg: Good signature from "Jeffrey Cody <jcody@redhat.com>"
# gpg: aka "Jeffrey Cody <jeff@codyprime.org>"
# gpg: aka "Jeffrey Cody <codyprime@gmail.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: 9957 4B4D 3474 90E7 9D98 D624 BDBE 7B27 C0DE 3057
* remotes/cody/tags/jtc-for-upstream-pull-request:
block/curl: Don't lose original error when a connection fails.
mirror: correct buf_size
block: keep bitmap if incremental backup job is cancelled
blockdev: no need to drain in qmp_block_commit
block/mirror: Sleep periodically during bitmap scanning
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
When a LWL, LWR, LDL or LDR instruction triggers a page fault, QEMU
currently reports the aligned address in CP0 BadVAddr, while the Windows
NT kernel expects the unaligned address.
This patch adds a byte access with the unaligned address at the
beginning of the LWL/LWR/LDL/LDR instructions to possibly trigger a page
fault and fill the QEMU TLB.
Cc: Leon Alrae <leon.alrae@imgtec.com>
Reported-by: Hervé Poussineau <hpoussin@reactos.org>
Tested-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
For the MIPS N64 ABI when QEMU reads the break/trap instruction so that
it can inspect the break/trap code it reads 8 rather than 4 bytes
which means it finds the code field from the instruction after the
break/trap instruction. This then causes the break/trap handling
code to fail because it does not understand the code number.
The fix forces QEMU to always read 4 bytes of instruction data rather
than deciding how much to read based on the ABI.
Signed-off-by: Andrew Bennett <andrew.bennett@imgtec.com>
Reviewed-by: Leon Alrae <leon.alrae@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
UHI assert and link operations call lock_user_string() twice to obtain two
strings pointed by gpr[4] and gpr[5]. If the second lock_user_string()
fails, then the first one won't get freed. Fix this by introducing another
macro responsible for obtaining two strings and handling allocation
failure.
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Make use of CMPOP in floating-point compare instructions.
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Fix Debug Mode flag clearing, and when DERET is placed between LL and SC
do not make SC fail.
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
When syncing the task ASID with EntryHi, correctly or the value instead
of assigning it.
Reported-by: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Cc: Leon Alrae <leon.alrae@imgtec.com>
Reviewed-by: Leon Alrae <leon.alrae@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
In the Release 6 of the MIPS Architecture, LL, SC, LLD, SCD, PREF
and CACHE instructions have 9 bits offsets.
Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Leon Alrae <leon.alrae@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
MSACSR.Cause bits are needed to be cleared before a vector floating-point
instructions.
FEXDO.df, FEXUPL.df and FEXUPR.df were missed out.
Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Leon Alrae <leon.alrae@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Fix core configuration for MIPS64R6-generic to make it as close as
I6400.
I6400 core has 48-bit of Virtual Address available (SEGBITS).
MIPS SIMD Architecture is available.
Rearrange order of bits to match the specification.
Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Leon Alrae <leon.alrae@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
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-----END PGP SIGNATURE-----
Merge remote-tracking branch 'remotes/juanquintela/tags/migration/20150715-1' into staging
migration/next for 20150715
# gpg: Signature made Wed Jul 15 11:23:33 2015 BST using RSA key ID 5872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>"
# gpg: aka "Juan Quintela <quintela@trasno.org>"
* remotes/juanquintela/tags/migration/20150715-1:
migration: We also want to store the global state for savevm
migration: reduce the count of strlen call
migration: Register global state section before loadvm
migration: Write documetation for events capabilites
migration: Trace event and migration event are different things
migration: Only change state after migration has finished
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Commit df4b102452 introduced global_state
section. But it only filled the state while doing migration. While
doing a savevm, we stored an empty string as state. So when we did a
loadvm, it complained that state was invalid.
Fedora 21, 4.1.1, qemu 2.4.0-rc0
> ../../configure --target-list="x86_64-softmmu"
068 2s ... - output mismatch (see 068.out.bad)
--- /home/bos/jhuston/src/qemu/tests/qemu-iotests/068.out 2015-07-08
17:56:18.588164979 -0400
+++ 068.out.bad 2015-07-09 17:39:58.636651317 -0400
@@ -6,6 +6,8 @@
QEMU X.Y.Z monitor - type 'help' for more information
(qemu) savevm 0
(qemu) quit
+qemu-system-x86_64: Unknown savevm section or instance 'globalstate' 0
+qemu-system-x86_64: Error -22 while loading VM state
QEMU X.Y.Z monitor - type 'help' for more information
(qemu) quit
*** done
Failures: 068
Failed 1 of 1 tests
Actually, there were two problems here:
- we registered global_state too late for load_vm (fixed on another
patch on the list)
- we didn't store a valid state for savevm (fixed by this patch).
Reported-by: John Snow <jsnow@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
'strlen' is called three times in 'save_page_header', it's
inefficient.
Signed-off-by: Liang Li <liang.z.li@intel.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
