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2012-08-31usb: Halt ep queue en cancel pending packets on a packet errorHans de Goede
For controllers which queue up more then 1 packet at a time, we must halt the ep queue, and inside the controller code cancel all pending packets on an error. There are multiple reasons for this: 1) Guests expect the controllers to halt ep queues on error, so that they get the opportunity to cancel transfers which the scheduled after the failing one, before processing continues 2) Not cancelling queued up packets after a failed transfer also messes up the controller state machine, in the case of EHCI causing the following assert to trigger: "assert(p->qtdaddr == q->qtdaddr)" at hcd-ehci.c:2075 3) For bulk endpoints with pipelining enabled (redirection to a real USB device), we must cancel all the transfers after this a failed one so that: a) If they've completed already, they are not processed further causing more stalls to be reported, originating from the same failed transfer b) If still in flight, they are cancelled before the guest does a clear stall, otherwise the guest and device can loose sync! Note this patch only touches the ehci and uhci controller changes, since AFAIK no other controllers actually queue up multiple transfer. If I'm wrong on this other controllers need to be updated too! Also note that this patch was heavily tested with the ehci code, where I had a reproducer for a device causing a transfer to fail. The uhci code is not tested with actually failing transfers and could do with a thorough review! Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2012-08-31fix info qtree indentionGerd Hoffmann
Without the patch bus properties are are not in line with the other properties: [ ... ] dev: fw_cfg, id "" ctl_iobase = 0x510 data_iobase = 0x511 irq 0 mmio ffffffffffffffff/0000000000000002 mmio ffffffffffffffff/0000000000000001 [ ... ] With the patch applied everything is lined up properly: [ ... ] dev: fw_cfg, id "" ctl_iobase = 0x510 data_iobase = 0x511 irq 0 mmio ffffffffffffffff/0000000000000002 mmio ffffffffffffffff/0000000000000001 [ ... ] Needed to make the autotest qtree parser happy. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2012-08-30w32: Fix broken buildStefan Weil
Commit ef8621b1a3b199c348606c0a11a77d8e8bf135f1 added an include file which is not available for MinGW compilations. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-08-30Update version for 1.2.0-rc2v1.2.0-rc2Anthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-08-29scsi-disk: Fix typo (uint32 -> uint32_t)Stefan Weil
Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-08-29msix: make [un]use vectors on reset/load optionalMichael S. Tsirkin
The facility to use/unuse vectors dynamically is helpful for virtio but little else: everyone just seems to use vectors in their init function. Avoid clearing msix vector use info on reset and load. For virtio, clear it explicitly. This should fix regressions reported with ivshmem - though I didn't test this, I verified that virtio keeps working like it did. Tested-by: Cam Macdonell <cam@cs.ualberta.ca> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-08-29kvm: get/set PV EOI MSRMichael S. Tsirkin
Support get/set of new PV EOI MSR, for migration. Add an optional section for MSR value - send it out in case MSR was changed from the default value (0). Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-08-29linux-headers: update to 3.6-rc3Michael S. Tsirkin
Update linux-headers to version present in Linux 3.6-rc3. Header asm-x96_64/kvm_para.h update is needed for the new PV EOI feature. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-08-29target-i386: disable pv eoi to fix migration across QEMU versionsAnthony Liguori
We have a problem with how we handle migration with KVM paravirt features. We unconditionally enable paravirt features regardless of whether we know how to migrate them. We also don't tie paravirt features to specific machine types so an old QEMU on a new kernel would expose features that never existed. The 1.2 cycle is over and as things stand, migration is broken. Michael has another series that adds support for migrating PV EOI and attempts to make it work correctly for different machine types. After speaking with Michael on IRC, we agreed to take this patch plus 1 & 4 from his series. This makes sure QEMU can migrate PV EOI if it's enabled, but does not enable it by default. This also means that we won't unconditionally enable new features for guests future proofing us from this happening again in the future. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-08-29reset PMBA and PMREGMISC PIIX4 registers.Gleb Natapov
The bug causes Windows + OVMF hang after reboot since OVMF checks PMREGMISC to see if IO space is enabled and skip configuration if it is. Reviewed-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-08-29qemu-ga: Fix null pointer passed to unlink in failure branchStefan Weil
Clang reports this warning: Null pointer passed as an argument to a 'nonnull' parameter Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-08-29memory: Fix copy&paste mistake in memory_region_iorange_writeJan Kiszka
The last argument of find_portio is "write", so this must be true here. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-08-29ivshmem: remove redundant ioeventfd configurationCam Macdonell
setup_ioeventfds() is unnecessary and actually causes a segfault when used ioeventfd=on is used on the command-line. Since ioeventfds are handled within the memory API, it can be removed. Signed-off-by: Cam Macdonell <cam@cs.ualberta.ca> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-08-29hw/arm_gic.c: Define .class_size in arm_gic_info TypeInfoPeter Maydell
Add the missing .class_size definition to the arm_gic_info TypeInfo. This fixes the memory corruption and possible segfault that otherwise results when the class struct is allocated at too small a size and the class init function writes off the end of it. Reported-by: Adam Lackorzynski <adam@os.inf.tu-dresden.de> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-08-29Merge remote-tracking branch 'bonzini/scsi-next' into stagingAnthony Liguori
* bonzini/scsi-next: iscsi: Set number of blocks to 0 for blank CDROM devices scsi: more fixes to properties for passthrough devices esp: support 24-bit DMA megasas: Add 'hba_serial' property
2012-08-29Merge remote-tracking branch 'riku/linux-user-for-upstream' into stagingAnthony Liguori
* riku/linux-user-for-upstream: linux-user: Clarify "Unable to reserve guest address space" error linux-user: fix emulation of getdents linux-user: arg_table need not have global scope
2012-08-28tcg/mips: fix broken CONFIG_TCG_PASS_AREG0 codeAurelien Jarno
The CONFIG_TCG_PASS_AREG0 code for calling ld/st helpers was broken in that it did not respect the ABI requirement that 64 bit values were passed in even-odd register pairs. The simplest way to fix this is to implement some new utility functions for marshalling function arguments into the correct registers and stack, so that the code which sets up the address and data arguments does not need to care whether there has been a preceding env argument. Based on commit 9716ef3b for ARM by Peter Maydell. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
2012-08-28Update OpenBIOS PPC imageAurelien Jarno
Update OpenBIOS PPC image to SVN r1063 to fix issues introduced by commit 9e56edcf. The code change in this revision only affects PPC, so OpenBIOS SPARC images are not updated. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-08-28target-ppc: fix altivec instructionsAurelien Jarno
Altivec instructions are not working anymore in PowerPC emulation, following commit d15f74fb, which inverted two registers in the call to helper. Fix that. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Andreas Färber <afaerber@suse.de> Acked-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-08-28audio/winwave: previous audio buffer should be flushedmunkyu.im
Winwave audio backend has problem with pausing and restart audio out. Unlike other backends, Winwave pausing API does not flush audio buffer. As a result, the previous audio data are played in front of user expected sound when user restart audio. So changes it to waveOutReset() Signed-off-by: Munkyu Im <munkyu.im@samsung.com> Signed-off-by: malc <av1474@comtv.ru>
2012-08-28iscsi: Set number of blocks to 0 for blank CDROM devicesRonnie Sahlberg
The number of blocks of the device is used to compute the device size in bdrv_getlength()/iscsi_getlength(). For MMC devices, the ReturnedLogicalBlockAddress in the READCAPACITY10 has a special meaning when it is 0. In this case it does not mean that LBA 0 is the last accessible LBA, and thus the device has 1 readable block, but instead it means that the disc is blank and there are no readable blocks. This change ensures that when the iSCSI LUN is loaded with a blank DVD-R disk or similar that bdrv_getlength() will return the correct size of the device as 0 bytes. Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
2012-08-28scsi: more fixes to properties for passthrough devicesPaolo Bonzini
Commit 0384783 (scsi-block: remove properties that are not relevant for passthrough, 2012-07-09) removed one property that should have been left there, "bootindex". It also did not touch scsi-generic, while it should have. Fix both problems. Reported-by: Alexandre DERUMIER <aderumier@odiso.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-08-28esp: support 24-bit DMAPaolo Bonzini
SeaBIOS will issue requests for more than 64k when loading a CD-ROM image into memory. Support the TCHI register from the AMD PCscsi spec. Acked-by: Hervé Poussineau <hpoussin@reactos.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-08-28megasas: Add 'hba_serial' propertyHannes Reinecke
Add a 'hba_serial' property to the megasas driver. Originally it would be using a pointer value which would break migration. Reported-by: Stefan Weil <sw@weilnetz.de> Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-08-27target-mips: allow microMIPS SWP and SDP to have RD equal to BASEEric Johnson
The microMIPS SWP and SDP instructions do not modify GPRs. So their behavior is well defined when RD equals BASE. The MIPS Architecture Verification Programs (AVPs) check that they work as expected. This is required for AVPs to pass. Signed-off-by: Eric Johnson <ericj@mips.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-08-27target-mips: add privilege level check to several Cop0 instructionsEric Johnson
The MIPS Architecture Verification Programs (AVPs) check privileged instructions for the required privilege level. These changes are needed to pass the AVP suite. Signed-off-by: Eric Johnson <ericj@mips.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-08-27Revert "fix some debug printf format strings"malc
This reverts commit 145c7c880ff520a9348cc2401ba291330b9606fe. Signed-off-by: malc <av1474@comtv.ru>
2012-08-27Revert "vl: fix -hdachs/-hda argument order parsing issues"malc
This reverts commit 7764ae9671f1cd74227cf4404431dd5213799ef0. Signed-off-by: malc <av1474@comtv.ru>
2012-08-27Revert "qemu-options.hx: mention retrace= VGA option"malc
This reverts commit 39dda260628e5f2a3fd2ce2ec8a71f3d5ca309a9. Signed-off-by: malc <av1474@comtv.ru>
2012-08-27Revert "vga: add some optional CGA compatibility hacks"malc
This reverts commit 482f7bf86b43af9f6903c52726fedf82b28bf953. Signed-off-by: malc <av1474@comtv.ru>
2012-08-27Revert "i8259: add -no-spurious-interrupt-hack option"malc
This reverts commit f278d4947fff814dcde2ef2acad36d172ff8be35. Signed-off-by: malc <av1474@comtv.ru>
2012-08-27mips-linux-user: Always support rdhwr.Richard Henderson
The kernel will emulate this instruction if it's not supported natively. This insn is used for TLS, among other things, and so is required by modern glibc. Signed-off-by: Richard Henderson <rth@twiddle.net> Cc: Riku Voipio <riku.voipio@iki.fi> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-08-27target-mips: Streamline indexed cp1 memory addressing.Richard Henderson
We've already eliminated both base and index being zero. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-08-27Fix order of CVT.PS.S operandsRichard Sandiford
The FS input to CVT.PS.S is the high half and FT is the low half. tcg_gen_concat_i32_i64 takes the low half first, so the operands were in the wrong order. Signed-off-by: Richard Sandiford <rdsandiford@googlemail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-08-27Fix operands of RECIP2.S and RECIP2.PSRichard Sandiford
Read the second input operand of RECIP2.S and RECIP2.PS from FT rather than FD. RECIP2.D is already correct. Signed-off-by: Richard Sandiford <rdsandiford@googlemail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-08-27linux-user: Clarify "Unable to reserve guest address space" errorPeter Maydell
Now that we default to reserving nearly 4GB of RAM for the guest address space when running a 32 bit linux-user guest on 64 bit hosts, users are much more likely to run into it. Reword the message to be more informative about what failed and provide suggestions for how to fix things. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2012-08-27linux-user: fix emulation of getdentsDmitry V. Levin
In case when TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64, the last byte of the target dirent structure (aka d_type byte) was never copied from the host dirent structure, thus breaking everything that relies on valid d_type value, e.g. glob(3). Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Dmitry V. Levin <ldv@altlinux.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2012-08-27linux-user: arg_table need not have global scopeJim Meyering
Declare arg_table to be "static const", and adjust the two users to also be const. Signed-off-by: Jim Meyering <meyering@redhat.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2012-08-26tcg/ia64: fix and optimize ld/st slow pathAurelien Jarno
Store slow path has been broken in e141ab52d: - the arguments are shifted before the last one (mem_index) is written. - the shift is done for both slow and fast paths. Fix that. Also optimize a bit by bundling the move together. This still can be optimized, but it's better to wait for a decision to be taken on the arguments order. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-08-26tcg/ia64: fix prologue/epilogueAurelien Jarno
Prologue and epilogue code has been broken in cea5f9a28. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-08-26tcg/arm: Fix broken CONFIG_TCG_PASS_AREG0 codePeter Maydell
The CONFIG_TCG_PASS_AREG0 code for calling ld/st helpers was broken in that it did not respect the ABI requirement that 64 bit values were passed in even-odd register pairs. The simplest way to fix this is to implement some new utility functions for marshalling function arguments into the correct registers and stack, so that the code which sets up the address and data arguments does not need to care whether there has been a preceding env argument. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-24i8259: add -no-spurious-interrupt-hack optionMatthew Ogilvie
This patch provides a way to optionally suppress spurious interrupts, as a workaround for systems described below: Some old operating systems do not handle spurious interrupts well, and qemu tends to generate them significantly more often than real hardware. Examples: - Microport UNIX System V/386 v 2.1 (ca 1987) (The main problem I'm fixing: Without this patch, it panics sporadically when accessing the hard disk.) - AT&T UNIX System V/386 Release 4.0 Version 2.1a (ca 1991) See screenshot in "QEMU Official OS Support List": http://www.claunia.com/qemu/objectManager.php?sClass=application&iId=9 (I don't have this system to test.) - A report about OS/2 boot lockup from 2004 by Hampa Hug: http://lists.nongnu.org/archive/html/qemu-devel/2004-09/msg00367.html (My patch was partially inspired by his.) Also: http://lists.nongnu.org/archive/html/qemu-devel/2005-06/msg00243.html (I don't have this system to test.) Signed-off-by: Matthew Ogilvie <mmogilvi_qemu@miniinfo.net> Signed-off-by: malc <av1474@comtv.ru>
2012-08-24vga: add some optional CGA compatibility hacksMatthew Ogilvie
This patch adds some optional compatibility hacks (default disabled) to allow Microport UNIX to function under qemu. I've tried to structure it to be easy to add more hacks for other old CGA programs, if anyone ever needs them. Microport UNIX System V/386 v 2.1 (ca 1987) tries to program the CGA registers directly with neither the assistance of BIOS, nor with proper handling of EGA/VGA-only registers. Note that it didn't work on real VGA hardware, either (although in that case, the most obvious problems seemed to be out-of-range hsync and/or vsync signalling, rather than the issues in this patch). Eventually real MDA and/or CGA support might provide an alternative to this patch, although a hybrid approach like this patch might still be useful in marginal cases. Signed-off-by: Matthew Ogilvie <mmogilvi_qemu@miniinfo.net> Signed-off-by: malc <av1474@comtv.ru>
2012-08-24qemu-options.hx: mention retrace= VGA optionMatthew Ogilvie
The feature was added in commit cb5a7aa8c32141bb Sep 2008. My description is based on "Better VGA retrace emulation (needed for some DOS games/demos)" from http://www.boblycat.org/~malc/code/patches/qemu/index.html Signed-off-by: Matthew Ogilvie <mmogilvi_qemu@miniinfo.net> Signed-off-by: malc <av1474@comtv.ru>
2012-08-24vl: fix -hdachs/-hda argument order parsing issuesMatthew Ogilvie
Without this patch, the -hdachs argument had to occur either BEFORE the corresponding "-hda" option, or AFTER the plain disk image name (if neither -hda nor -drive is used). Otherwise it would effectively be ignored. Option -hdachs still has no effect on -drive, but that seems best. Signed-off-by: Matthew Ogilvie <mmogilvi_qemu@miniinfo.net> Signed-off-by: malc <av1474@comtv.ru>
2012-08-24target-i386/translate.c: mov to/from crN/drN: ignore mod bitsMatthew Ogilvie
> This instruction is always treated as a register-to-register (MOD = 11) > instruction, regardless of the encoding of the MOD field in the MODR/M > byte. Also, Microport UNIX System V/386 v 2.1 (ca 1987) runs fine on real Intel 386 and 486 CPU's (at least), but does not run in qemu without this patch. Signed-off-by: Matthew Ogilvie <mmogilvi_qemu@miniinfo.net> Signed-off-by: malc <av1474@comtv.ru>
2012-08-24fix some debug printf format stringsMatthew Ogilvie
These are normally ifdefed out and don't matter. But if you enable them, they ought to be correct. Signed-off-by: Matthew Ogilvie <mmogilvi_qemu@miniinfo.net> Signed-off-by: malc <av1474@comtv.ru>
2012-08-23ivshmem: fix memory_region_del_eventfd assertion failurePaolo Bonzini
We do not register ioeventfds unless the IVSHMEM_IOEVENTFD feature is set. The same feature must be checked before releasing the eventfds. Regression introduced by commit 563027c (ivshmem: use EventNotifier and memory API, 2012-07-05). Reported-by: Cam Macdonnell <cam@cs.ualberta.ca> Tested-by: Cam Macdonnell <cam@cs.ualberta.ca> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-08-23qom: object_delete should unparent the object firstPaolo Bonzini
object_deinit is only called when the reference count goes to zero, and yet tries to do an object_unparent. Now, object_unparent either does nothing or it will decrease the reference count. Because we know the reference count is zero, the object_unparent call in object_deinit is useless. Instead, we need to disconnect the object from its parent just before we remove the last reference apart from the parent's. This happens in object_delete. Once we do this, all calls to object_unparent peppered through QEMU can go away. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-08-23monitor: don't try to initialize json parser when monitor is HMPAnthony Liguori
Reported-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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