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Stefan Hajnoczi de0161c0d5 dataplane: handle misaligned virtio-blk requests

O_DIRECT on Linux has alignment requirements on I/O buffers and
misaligned requests result in -EINVAL.  The Linux virtio_blk guest
driver usually submits aligned requests so I forgot to handle misaligned
requests.

It turns out that virtio-win guest drivers submit misaligned requests.
Handle them using a bounce buffer that meets alignment requirements.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

2013-01-14 10:06:57 +01:00

audio

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

backends

Make all static TypeInfos const

2013-01-10 15:11:53 -06:00

block

block: make qiov_is_aligned() public

2013-01-14 10:06:56 +01:00

bsd-user

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

default-configs

Merge branch 'master' of git://git.qemu.org/qemu into prep-up

2013-01-10 21:52:28 +01:00

disas

target-s390: Fix disassembly of cpsdr

2013-01-05 12:00:00 -08:00

docs

q35: document chipset devices

2013-01-11 08:30:24 +01:00

fpu

softfloat: Implement uint64_to_float128

2013-01-05 10:12:50 +00:00

fsdev

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

gdb-xml

gdb-xml: fix hacks in powerpc register numbering

2009-07-12 23:42:05 +02:00

dataplane: handle misaligned virtio-blk requests

2013-01-14 10:06:57 +01:00

include

block: make qiov_is_aligned() public

2013-01-14 10:06:56 +01:00

ldscripts

build: create ldscripts/

2012-12-19 08:29:06 +01:00

libcacard

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

linux-headers

kvm: Update kernel headers

2013-01-07 17:37:11 +01:00

linux-user

Merge branch 'ppc-for-upstream' of git://repo.or.cz/qemu/agraf

2013-01-12 12:47:02 +00:00

net

net: add missing include file

2012-12-22 12:06:48 +00:00

pc-bios

Update seabios to a810e4e72a0d42c7bc04eda57382f8e019add901

2012-12-20 08:19:40 +01:00

pixman @ 97336fad32

qapi: move include files to include/qobject/

2012-12-19 08:31:31 +01:00

qapi

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

qga

Merge remote-tracking branch 'stefanha/trivial-patches' into staging

2013-01-11 08:43:18 -06:00

QMP

qmp: add pull_event function

2012-10-24 10:26:22 +02:00

qom

Make all static TypeInfos const

2013-01-10 15:11:53 -06:00

roms

Update seabios to a810e4e72a0d42c7bc04eda57382f8e019add901

2012-12-20 08:19:40 +01:00

scripts

Merge branch 'ppc-for-upstream' of git://repo.or.cz/qemu/agraf

2013-01-12 12:47:02 +00:00

slirp

slirp: remove unused field tt

2013-01-12 12:26:16 +00:00

stubs

libqemustub: sysbus_get_default() stub

2013-01-08 21:03:43 +01:00

sysconfigs/target

Eliminate cpus-x86_64.conf file

2012-09-21 15:12:58 +02:00

target-alpha

qemu-common.h: Make qemu_init_vcpu() stub static inline

2013-01-08 21:03:44 +01:00

target-arm

target-arm: Fix SWI (SVC) instruction in M profile.

2013-01-11 15:21:22 +00:00

target-cris

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

target-i386

target-i386: Explicitly set vendor for each built-in cpudef

2013-01-08 21:03:44 +01:00

target-lm32

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

target-m68k

Merge branch 'master' of git://git.qemu.org/qemu into qom-cpu

2012-12-23 00:40:49 +01:00

target-microblaze

fpu: move public header file to include/fpu

2012-12-19 08:32:46 +01:00

target-mips

target-mips: Fix helper and tests for dot/cross-dot product instructions

2013-01-08 11:58:43 +01:00

target-openrisc

fpu: move public header file to include/fpu

2012-12-19 08:32:46 +01:00

target-ppc

target-ppc: Error out for -cpu host on unknown PVR

2013-01-07 17:37:11 +01:00

target-s390x

target-s390: Use noreturn for exception and load_psw

2013-01-05 12:18:46 -08:00

target-sh4

fpu: move public header file to include/fpu

2012-12-19 08:32:46 +01:00

target-sparc

fpu: move public header file to include/fpu

2012-12-19 08:32:46 +01:00

target-unicore32

configure: allow disabling pixman if not needed

2012-12-23 14:38:52 -06:00

target-xtensa

target-xtensa: fix search_pc for the last TB opcode

2012-12-22 12:09:24 +00:00

tcg

tcg-i386: use LEA for 3-operand 64-bit addition

2013-01-12 12:45:56 +00:00

tests

m48t59-test: don't touch watchdog

2013-01-10 15:23:39 +01:00

trace

build: Use separate makefile for "trace/"

2012-12-23 14:28:02 -06:00

spice: drop incorrect vm_change_state_handler() opaque

2013-01-04 14:38:05 +01:00

.exrc

qemu: add .exrc

2012-09-07 09:02:44 +03:00

.gitignore

qemu-ga: sample fsfreeze hooks

2013-01-08 16:38:12 -06:00

.gitmodules

pixman: add submodule

2012-11-01 13:10:06 +01:00

.mailmap

Add a .mailmap to map pre-git-conversion authors to friendly names

2011-12-12 17:06:21 -06:00

acl.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

aes.c

block: move include files to include/block/

2012-12-19 08:31:31 +01:00

aio-posix.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

aio-win32.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

arch_init.c

ram: refactor ram_save_block() return value

2012-12-20 23:09:40 +01:00

async.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

balloon.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

bitmap.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

bitops.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

block-migration.c

savevm: New save live migration method: pending

2012-12-20 23:09:25 +01:00

block.c

block: make qiov_is_aligned() public

2013-01-14 10:06:56 +01:00

blockdev-nbd.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

blockdev.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

blockjob.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

bt-host.c

softmmu: move remaining include files to include/ subdirectories

2012-12-19 08:32:46 +01:00

bt-vhci.c

softmmu: move remaining include files to include/ subdirectories

2012-12-19 08:32:46 +01:00

cache-utils.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

Changelog

fix some common typos

2012-05-14 07:27:24 +02:00

cmd.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

cmd.h

Delete useless 'extern' qualifiers for functions

2011-01-23 16:21:20 +00:00

CODING_STYLE

Replace Qemu by QEMU in internal documentation

2012-04-07 13:58:25 +00:00

compatfd.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

configure

gcc: rename CONFIG_PRAGMA_DISABLE_UNUSED_BUT_SET to CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE

2013-01-12 12:42:53 +00:00

COPYING

COPYING: update from FSF

2008-10-12 17:54:42 +00:00

COPYING.LIB

Update FSF address in GPL/LGPL boilerplate

2009-01-04 22:05:52 +00:00

coroutine-gthread.c

block: move include files to include/block/

2012-12-19 08:31:31 +01:00

coroutine-sigaltstack.c

block: move include files to include/block/

2012-12-19 08:31:31 +01:00

coroutine-ucontext.c

gcc: rename CONFIG_PRAGMA_DISABLE_UNUSED_BUT_SET to CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE

2013-01-12 12:42:53 +00:00

coroutine-win32.c

block: move include files to include/block/

2012-12-19 08:31:31 +01:00

cpu-exec.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

cpus.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

cputlb.c

exec: move include files to include/exec/

2012-12-19 08:31:31 +01:00

cutils.c

cutils: change strtosz_suffix_unit function

2013-01-02 16:08:54 +01:00

device_tree.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

disas.c

monitor: move include files to include/monitor/

2012-12-19 08:31:32 +01:00

dma-helpers.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

dump-stub.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

dump.c

exec: change RAM list to a TAILQ

2012-12-20 23:08:47 +01:00

envlist.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

error.c

qapi: move include files to include/qobject/

2012-12-19 08:31:31 +01:00

event_notifier-posix.c

softmmu: move remaining include files to include/ subdirectories

2012-12-19 08:32:46 +01:00

event_notifier-win32.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

exec.c

Revert "virtio-pci: replace byte swap hack"

2013-01-06 18:30:17 +00:00

gdbstub.c

target-s390: Fix gdbstub

2013-01-05 12:00:27 -08:00

HACKING

HACKING: List areas where we may rely on impdef C behaviour

2012-12-08 14:27:40 +00:00

hmp-commands.hx

trace: Remove "info trace" from documents

2012-11-16 13:35:48 +01:00

hmp.c

softmmu: move remaining include files to include/ subdirectories

2012-12-19 08:32:46 +01:00

hmp.h

qapi: move include files to include/qobject/

2012-12-19 08:31:31 +01:00

host-utils.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

iohandler.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

ioport.c

exec: move include files to include/exec/

2012-12-19 08:31:31 +01:00

iov.c

iov: add qemu_iovec_concat_iov()

2013-01-02 15:58:09 +01:00

json-lexer.c

qapi: move include files to include/qobject/

2012-12-19 08:31:31 +01:00

json-parser.c

qapi: move include files to include/qobject/

2012-12-19 08:31:31 +01:00

json-streamer.c

qapi: move include files to include/qobject/

2012-12-19 08:31:31 +01:00

kvm-all.c

Merge branch 'master' of git://git.qemu.org/qemu into qom-cpu

2012-12-23 00:40:49 +01:00

kvm-stub.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

LICENSE

LICENSE: There is no libqemu.a anymore

2011-12-09 11:25:22 +00:00

main-loop.c

Check return values from g_poll and select

2013-01-09 11:03:05 -06:00

MAINTAINERS

Merge branch 's390-reorg' of git://repo.or.cz/qemu/rth

2013-01-12 12:46:57 +00:00

Makefile

Makefile: install the "acpi-dsdt.aml" and "q35-acpi-dsdt.aml" blobs too

2013-01-11 08:30:24 +01:00

Makefile.objs

qdev: Include qdev code into *-user, too

2013-01-08 21:03:43 +01:00

Makefile.target

tci: Fix broken builds with TCG interpreter

2013-01-02 13:33:05 -06:00

memory_mapping-stub.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

memory_mapping.c

exec: change RAM list to a TAILQ

2012-12-20 23:08:47 +01:00

memory.c

memory: introduce memory_region_test_and_clear_dirty

2012-12-20 23:09:39 +01:00

migration-exec.c

migration: make writes blocking

2012-12-20 23:09:25 +01:00

migration-fd.c

migration: make writes blocking

2012-12-20 23:09:25 +01:00

migration-tcp.c

migration: make writes blocking

2012-12-20 23:09:25 +01:00

migration-unix.c

migration: make writes blocking

2012-12-20 23:09:25 +01:00

migration.c

migration: merge QEMUFileBuffered into MigrationState

2012-12-20 23:09:40 +01:00

module.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

monitor.c

softmmu: move remaining include files to include/ subdirectories

2012-12-19 08:32:46 +01:00

nbd.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

notify.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

os-posix.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

os-win32.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

osdep.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

oslib-posix.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

oslib-win32.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

page_cache.c

migration: move include files to include/migration/

2012-12-19 08:31:32 +01:00

path.c

user: Consider symbolic links as possible directories

2013-01-12 12:25:22 +00:00

pci-ids.txt

List virtio console device in pci-ids.txt

2009-01-24 16:37:31 +00:00

qapi-schema-test.json

qapi: add struct-errors test case to test-qmp-output-visitor

2012-03-27 09:11:00 -03:00

qapi-schema.json

slirp: Add domain-search option to slirp's DHCP server

2012-11-15 10:27:14 +01:00

qbool.c

qapi: move include files to include/qobject/

2012-12-19 08:31:31 +01:00

qdict-test-data.txt

Introduce QDict test data file

2009-09-04 09:37:34 -05:00

qdict.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

qemu-bridge-helper.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

qemu-char.c

pty: unbreak libvirt

2013-01-03 12:53:41 -06:00

qemu-config.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

qemu-coroutine-io.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

qemu-coroutine-lock.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

qemu-coroutine-sleep.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

qemu-coroutine.c

block: move include files to include/block/

2012-12-19 08:31:31 +01:00

qemu-doc.texi

Documentation: Update image format information

2012-11-30 11:33:24 +01:00

qemu-error.c

monitor: move include files to include/monitor/

2012-12-19 08:31:32 +01:00

qemu-img-cmds.hx

qemu-img: document 'info --backing-chain'

2012-10-24 10:26:19 +02:00

qemu-img.c

qemu-img: report size overflow error message

2013-01-02 16:08:56 +01:00

qemu-img.texi

Documentation: Update image format information

2012-11-30 11:33:24 +01:00

qemu-io.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

qemu-log.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

qemu-nbd.c

block: move include files to include/block/

2012-12-19 08:31:31 +01:00

qemu-nbd.texi

Replace Qemu by QEMU in user visible documentation

2012-04-07 13:58:06 +00:00

qemu-option.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

qemu-options-wrapper.h

vl.c: In qemu -h output, only print options for the arch we are running as

2011-12-19 10:27:33 -06:00

qemu-options.h

vl.c: Move option generation logic into a wrapper file

2011-12-19 10:27:33 -06:00

qemu-options.hx

spice-qemu-char: add spiceport chardev

2012-12-17 14:01:41 +01:00

qemu-progress.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

qemu-seccomp.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

qemu-sockets.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

qemu-tech.texi

qemu-tech.texi: update implemented xtensa features list

2012-11-29 13:00:52 -06:00

qemu-thread-posix.c

Fix semaphores fallback code

2012-12-29 12:27:36 +00:00

qemu-thread-win32.c

win32: Switch thread abstraction to us TLS variable internally

2012-12-23 09:13:15 -06:00

qemu-timer-common.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

qemu-timer.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

qemu-tool.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

qemu-user.c

monitor: move include files to include/monitor/

2012-12-19 08:31:32 +01:00

qemu.sasl

Add SASL authentication support ("Daniel P. Berrange")

2009-03-06 20:27:28 +00:00

qerror.c

monitor: move include files to include/monitor/

2012-12-19 08:31:32 +01:00

qfloat.c

qapi: move include files to include/qobject/

2012-12-19 08:31:31 +01:00

qint.c

qapi: move include files to include/qobject/

2012-12-19 08:31:31 +01:00

qjson.c

qapi: move include files to include/qobject/

2012-12-19 08:31:31 +01:00

qlist.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

qmp-commands.hx

Merge remote-tracking branch 'kwolf/for-anthony' into staging

2012-10-29 10:34:05 -05:00

qmp.c

softmmu: move remaining include files to include/ subdirectories

2012-12-19 08:32:46 +01:00

qstring.c

qapi: move include files to include/qobject/

2012-12-19 08:31:31 +01:00

qtest.c

softmmu: move remaining include files to include/ subdirectories

2012-12-19 08:32:46 +01:00

readline.c

readline: avoid memcpy() of overlapping regions

2013-01-08 10:00:26 +01:00

README

Update README

2011-12-11 17:50:43 -06:00

rules.mak

optionrom: build with discrete CPP and AS steps

2013-01-12 12:40:36 +00:00

savevm.c

savevm: Remove MinGW specific code which is no longer needed

2013-01-11 09:35:11 +01:00

spice-qemu-char.c

Merge remote-tracking branch 'bonzini/header-dirs' into staging

2012-12-19 17:15:39 -06:00

tcg-runtime.c

tcg: add div/rem 32-bit helpers

2010-03-14 22:04:50 +01:00

tci.c

exec: move include files to include/exec/

2012-12-19 08:31:31 +01:00

thread-pool.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

thunk.c

exec: move include files to include/exec/

2012-12-19 08:31:31 +01:00

TODO

Update

2008-12-04 11:29:42 +00:00

trace-events

Merge branch 'master' of git://git.qemu.org/qemu into prep-up

2013-01-10 21:52:28 +01:00

trace.h

build: Use separate makefile for "trace/"

2012-12-23 14:28:02 -06:00

translate-all.c

translate-all.c: Use tb1->phys_hash_next directly in tb_remove

2012-12-22 12:06:24 +00:00

translate-all.h

exec: move TB handling to translate-all.c

2012-12-16 08:28:41 +00:00

uri.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

user-exec.c

Merge remote-tracking branch 'bonzini/header-dirs' into staging

2012-12-19 17:15:39 -06:00

VERSION

Open up 1.4 development branch

2012-12-03 14:08:40 -06:00

version.rc

mingw: add version information to the executables

2010-09-26 16:07:57 +00:00

vl.c

Merge remote-tracking branch 'stefanha/trivial-patches' into staging

2013-01-11 08:43:18 -06:00

xen-all.c

xen: add missing include

2012-12-22 12:04:44 +00:00

xen-mapcache.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

xen-stub.c

exec: move include files to include/exec/

2012-12-19 08:31:31 +01:00

README

Read the documentation in qemu-doc.html or on http://wiki.qemu.org

- QEMU team

Languages

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C 26.3%

C++ 3%

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