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Original Xbox Emulator for Windows, macOS, and Linux (Active Development)
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John Snow aaeda4a3c9 ide: unify io_buffer_offset increments 
IDEState's io_buffer_offset was originally added to keep track of offsets
in AHCI rather exclusively, but it was added to IDEState instead of an
AHCI-specific structure.

AHCI fakes all PIO transfers using DMA and a scatter-gather list. When
the core or atapi layers invoke HBA-specific mechanisms for transfers,
they do not always know that it is being backed by DMA or a sglist, so
this offset is not always updated by the HBA code everywhere.

If we modify it in dma_buf_commit, however, any HBA that needs to use
this offset to manage operating on only part of a sglist will have
access to it.

This will fix ATAPI PIO transfers performed through the AHCI HBA,
which were previously not modifying this value appropriately.

This will fix ATAPI PIO transfers larger than one sector.

Reported-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Message-id: 1440546331-29087-2-git-send-email-jsnow@redhat.com
CC: qemu-stable@nongnu.org
2015-09-17 14:17:04 -04:00
audio ossaudio: fix memory leak 2015-07-08 13:11:01 +02:00
backends qemu-char: Use g_new() & friends where that makes obvious sense 2015-09-16 17:33:33 +02:00
block Block layer patches (v2) 2015-09-14 18:51:09 +01:00
bsd-user * Support for jemalloc 2015-09-14 16:13:16 +01:00
crypto crypto: introduce new module for handling TLS sessions 2015-09-15 15:07:43 +01:00
default-configs target-tilegx: Add TILE-Gx building files 2015-09-15 07:45:32 -07:00
disas typofixes - v4 2015-09-11 10:45:43 +03:00
docs qapi: allow override of default enum prefix naming 2015-09-15 10:59:28 +01:00
dtc@65cc4d2748 dtc: Update dtc / libfdt submodule to version 1.4.0 2015-06-03 23:56:49 +02:00
fpu target-s390x: define default NaN values 2015-06-05 01:37:58 +02:00
fsdev maint: remove unused include for dirent.h 2015-09-11 10:21:38 +03:00
gdb-xml s390x/gdb: support reading/writing of control registers 2015-09-07 16:10:43 +02:00
hw ide: unify io_buffer_offset increments 2015-09-17 14:17:04 -04:00
include * Linux header update and cleanup 2015-09-16 18:06:54 +01:00
libcacard typofixes - v4 2015-09-11 10:45:43 +03:00
libdecnumber typofixes - v4 2015-09-11 10:45:43 +03:00
linux-headers target-i386: move asm-x86/hyperv.h to standard-headers 2015-09-16 17:33:32 +02:00
linux-user target-tilegx: Handle atomic instructions 2015-09-15 07:45:34 -07:00
migration maint: avoid useless "if (foo) free(foo)" pattern 2015-09-11 10:21:38 +03:00
net trivial: remove trailing newline from error_report 2015-09-11 10:21:38 +03:00
pc-bios pc-bios/s390-ccw: rebuild image 2015-09-07 16:10:43 +02:00
pixman@87eea99e44
po Update language files for QEMU 2.4.0 2015-09-11 10:21:38 +03:00
qapi crypto: introduce new base module for TLS credentials 2015-09-15 14:47:37 +01:00
qga typofixes - v4 2015-09-11 10:45:43 +03:00
qobject Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
qom * Linux header update and cleanup 2015-09-16 18:06:54 +01:00
roms pseries: Update SLOF firmware image to qemu-slof-20150429 2015-07-07 17:44:49 +02:00
scripts * Linux header update and cleanup 2015-09-16 18:06:54 +01:00
slirp qerror: Move #include out of qerror.h 2015-06-22 18:20:40 +02:00
stubs monitor: remove target-specific code from monitor.c 2015-09-16 17:33:32 +02:00
target-alpha tlb: Add "ifetch" argument to cpu_mmu_index() 2015-09-11 08:15:28 -07:00
target-arm target-arm: Use new revbit functions 2015-09-15 07:45:33 -07:00
target-cris target-cris: update CPU state save/load to use VMStateDescription 2015-09-17 14:31:38 +01:00
target-i386 * Linux header update and cleanup 2015-09-16 18:06:54 +01:00
target-lm32 tlb: Add "ifetch" argument to cpu_mmu_index() 2015-09-11 08:15:28 -07:00
target-m68k tlb: Add "ifetch" argument to cpu_mmu_index() 2015-09-11 08:15:28 -07:00
target-microblaze tlb: Add "ifetch" argument to cpu_mmu_index() 2015-09-11 08:15:28 -07:00
target-mips tlb: Add "ifetch" argument to cpu_mmu_index() 2015-09-11 08:15:28 -07:00
target-moxie tlb: Add "ifetch" argument to cpu_mmu_index() 2015-09-11 08:15:28 -07:00
target-openrisc tlb: Add "ifetch" argument to cpu_mmu_index() 2015-09-11 08:15:28 -07:00
target-ppc monitor: remove target-specific code from monitor.c 2015-09-16 17:33:32 +02:00
target-s390x * Support for jemalloc 2015-09-14 16:13:16 +01:00
target-sh4 monitor: remove target-specific code from monitor.c 2015-09-16 17:33:32 +02:00
target-sparc monitor: remove target-specific code from monitor.c 2015-09-16 17:33:32 +02:00
target-tilegx target-tilegx: Handle v1shl, v1shru, v1shrs 2015-09-15 07:45:34 -07:00
target-tricore tlb: Add "ifetch" argument to cpu_mmu_index() 2015-09-11 08:15:28 -07:00
target-unicore32 tlb: Add "ifetch" argument to cpu_mmu_index() 2015-09-11 08:15:28 -07:00
target-xtensa monitor: remove target-specific code from monitor.c 2015-09-16 17:33:32 +02:00
tcg tcg: Move tci_tb_ptr to -common 2015-09-16 17:33:33 +02:00
tests crypto: introduce new module for handling TLS sessions 2015-09-15 15:07:43 +01:00
trace Remove superfluous '\n' around error_report() 2015-03-10 08:15:33 +03:00
ui Merge vnc-crypto-v9 2015-09-15 15:42:58 +01:00
util Revert "rcu: init rcu_registry_lock after fork" 2015-09-16 17:33:32 +02:00
.exrc
.gitignore monitor: added generation of documentation for hmp-commands-info.hx 2015-09-16 17:33:33 +02:00
.gitmodules
.mailmap
.travis.yml
accel.c
aio-posix.c AioContext: optimize clearing the EventNotifier 2015-07-22 12:41:40 +01:00
aio-win32.c AioContext: optimize clearing the EventNotifier 2015-07-22 12:41:40 +01:00
arch_init.c smbios: move smbios code into a common folder 2015-08-13 14:08:30 +03:00
async.c AioContext: force event loop iteration using BH 2015-07-29 10:02:06 +01:00
balloon.c Include monitor/monitor.h exactly where needed 2015-06-22 18:20:41 +02:00
block.c block: Allow specifying driver-specific options to reopen 2015-09-14 16:51:36 +02:00
blockdev-nbd.c Include monitor/monitor.h exactly where needed 2015-06-22 18:20:41 +02:00
blockdev.c block: Drop drv parameter from bdrv_open() 2015-09-14 16:51:36 +02:00
blockjob.c blockjob: add block_job_release function 2015-07-07 14:27:14 +01:00
bootdevice.c misc: fix typos in copyright declaration 2015-03-26 14:21:43 +01:00
bt-host.c
bt-vhci.c
Changelog
CODING_STYLE CODING_STYLE: update mixed declaration rules 2015-09-09 15:34:54 +02:00
configure TileGX basic instructions 2015-09-15 17:24:28 +01:00
COPYING
COPYING.LIB
coroutine-gthread.c
coroutine-sigaltstack.c
coroutine-ucontext.c
coroutine-win32.c
cpu-exec-common.c cpu-exec: Migrate some generic fns to cpu-exec-common 2015-09-16 17:33:33 +02:00
cpu-exec.c cpu-exec: Migrate some generic fns to cpu-exec-common 2015-09-16 17:33:33 +02:00
cpus.c cpus: remove tcg_halt_cond and tcg_cpu_thread globals 2015-09-09 15:34:55 +02:00
cputlb.c cputlb: Change tlb_set_dirty() arg to cpu 2015-09-16 17:33:33 +02:00
device-hotplug.c pci-hotplug-old: Has been dead for five major releases, bury 2015-03-01 12:37:54 +01:00
device_tree.c device_tree: Fix a typo 2015-07-27 22:44:47 +03:00
disas.c disas: Defeature print_target_address 2015-08-14 23:40:32 +02:00
dma-helpers.c range: remove useless inclusions 2015-04-30 16:05:48 +03:00
dump.c Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
exec.c include/exec: Move cputlb exec.c defs out 2015-09-16 17:33:33 +02:00
gdbstub.c * Support for jemalloc 2015-09-14 16:13:16 +01:00
HACKING
hmp-commands-info.hx monitor: added generation of documentation for hmp-commands-info.hx 2015-09-16 17:33:33 +02:00
hmp-commands.hx monitor: added generation of documentation for hmp-commands-info.hx 2015-09-16 17:33:33 +02:00
hmp.c hmp: add info iothreads command 2015-09-04 13:26:26 +02:00
hmp.h hmp: add info iothreads command 2015-09-04 13:26:26 +02:00
iohandler.c iohandler: Use aio API 2015-09-07 18:14:03 +02:00
ioport.c - miscellaneous cleanups for TCG (Emilio) and NBD (Bogdan) 2015-04-30 12:04:11 +01:00
iothread.c rcu: actually register threads that have RCU read-side critical sections 2015-07-24 13:57:45 +02:00
kvm-all.c kvm: Add kvm system event crash handler 2015-09-16 17:33:32 +02:00
kvm-stub.c kvm: some fixes to kvm_resamplefds_allowed 2015-07-06 12:15:14 -06:00
LICENSE
main-loop.c iohandler: Use aio API 2015-09-07 18:14:03 +02:00
MAINTAINERS MAINTAINERS: Stefan will not maintain net subsystem 2015-09-16 12:07:11 +01:00
Makefile * Linux header update and cleanup 2015-09-16 18:06:54 +01:00
Makefile.objs qom: allow QOM to be linked into tools binaries 2015-09-15 14:35:39 +01:00
Makefile.target * Linux header update and cleanup 2015-09-16 18:06:54 +01:00
memory.c Merge memory_region_init_reservation() into memory_region_init_io() 2015-08-13 11:26:21 +01:00
memory_mapping.c memory_mapping: Rework cpu related includes 2015-06-26 16:00:50 +02:00
module-common.c
monitor.c monitor: uninclude cpu_ldst 2015-09-16 17:33:33 +02:00
nbd.c nbd: release exp->blk after all clients are closed 2015-09-16 17:33:33 +02:00
numa.c maint: remove double semicolons in many files 2015-09-11 10:21:38 +03:00
os-posix.c rcu: do not create thread in pthread_atfork callback 2015-04-01 10:06:38 +02:00
os-win32.c maint: remove unused include for signal.h 2015-09-11 10:21:38 +03:00
page_cache.c maint: remove unused include for strings.h 2015-09-11 10:21:38 +03:00
qapi-schema.json crypto: introduce new base module for TLS credentials 2015-09-15 14:47:37 +01:00
qdev-monitor.c Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
qdict-test-data.txt
qemu-bridge-helper.c
qemu-char.c qemu-char: Use g_new() & friends where that makes obvious sense 2015-09-16 17:33:33 +02:00
qemu-coroutine-io.c coroutine-io: Return -errno in case of error 2015-03-18 12:07:21 +01:00
qemu-coroutine-lock.c coroutine: remove unnecessary parentheses in qemu_co_queue_empty 2015-04-30 16:05:49 +03:00
qemu-coroutine-sleep.c
qemu-coroutine.c coroutine: Clean up qemu_coroutine_enter() 2015-03-09 11:11:59 +01:00
qemu-doc.texi monitor: added generation of documentation for hmp-commands-info.hx 2015-09-16 17:33:33 +02:00
qemu-ga.texi qga: start a man page 2015-09-01 13:16:26 -05:00
qemu-img-cmds.hx
qemu-img.c qemu-img: Fix crash in amend invocation 2015-09-04 20:59:48 +02:00
qemu-img.texi maint: remove / fix many doubled words 2015-09-11 10:21:38 +03:00
qemu-io-cmds.c qemu-io: Add command 'reopen' 2015-09-14 16:51:36 +02:00
qemu-io.c qemu-io: Remove duplicate 'open' error message 2015-09-14 16:51:36 +02:00
qemu-log.c
qemu-nbd.c Trivial: fix commandline help message 2015-09-11 10:21:38 +03:00
qemu-nbd.texi
qemu-options-wrapper.h
qemu-options.h
qemu-options.hx ui: convert VNC server to use QCryptoTLSSession 2015-09-15 15:20:55 +01:00
qemu-seccomp.c
qemu-tech.texi qemu-doc: fix typos 2015-07-24 13:57:45 +02:00
qemu-timer.c qemu-timer: initialize "timers_done_ev" to set 2015-07-22 12:41:32 +01:00
qemu.nsi
qemu.sasl
qjson.c QJSON: Use OBJECT_CHECK 2015-05-11 08:59:07 -04:00
qmp-commands.hx s390x: Dump storage keys qmp command 2015-09-03 12:17:54 +02:00
qmp.c qmp: Add example usage of strto*l() qemu wrapper 2015-09-09 15:34:54 +02:00
qtest.c qtest: pre-buffer hex nibs 2015-05-22 15:58:22 -04:00
README
rules.mak make: load only required dependency files. 2015-08-13 14:08:25 +03:00
softmmu_template.h softmmu: remove now unused functions 2015-09-11 08:16:05 -07:00
spice-qemu-char.c spice: fix spice_chr_add_watch() pre-condition 2015-05-29 09:56:01 +02:00
tcg-runtime.c
tci.c tcg: Move tci_tb_ptr to -common 2015-09-16 17:33:33 +02:00
thread-pool.c thread-pool: clean up thread_pool_completion_bh() 2015-04-28 15:36:09 +02:00
thunk.c linux-user: Allocate thunk size dynamically 2015-06-15 11:36:58 +03:00
tpm.c Include monitor/monitor.h exactly where needed 2015-06-22 18:20:41 +02:00
trace-events Merge vnc-crypto-v9 2015-09-15 15:42:58 +01:00
translate-all.c translate: move real_host_page setting to -common 2015-09-16 17:33:33 +02:00
translate-all.h translate-all: remove unnecessary argument to tb_invalidate_phys_range 2015-06-05 17:09:59 +02:00
translate-common.c translate: move real_host_page setting to -common 2015-09-16 17:33:33 +02:00
user-exec.c osdep.h: Remove qemu_printf 2015-08-19 16:29:53 +01:00
VERSION Open 2.5 development tree 2015-08-11 23:15:55 +01:00
version.rc
vl.c cpu: Add crash_occurred flag into CPUState 2015-09-16 17:33:32 +02:00
xen-common-stub.c
xen-common.c migration: Fix regression for xenfv and pc,accel=xen machine. 2015-08-03 16:13:40 +00:00
xen-hvm-stub.c pc: Remove redundant arguments from xen_hvm_init() 2015-09-10 11:05:40 +03:00
xen-hvm.c xen-2015-09-10 2015-09-10 18:25:52 +01:00
xen-mapcache.c maint: avoid useless "if (foo) free(foo)" pattern 2015-09-11 10:21:38 +03:00

README 

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

- QEMU team