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2013-03-08qemu-char: use a glib timeout instead of qemu-timerAnthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Amit Shah <amit.shah@redhat.com> Message-id: 05a883ce5a98275b976bf0124610599859c2b7da.1362505276.git.amit.shah@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-08char: add gio watch fn for tcp backendsAmit Shah
Signed-off-by: Amit Shah <amit.shah@redhat.com> Message-id: b50e668c4f4146a654c5d4412440eb9e589f2c02.1362505276.git.amit.shah@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-08qemu-char: add pty watchAnthony Liguori
This lets ptys support adding front end watchs. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Amit Shah <amit.shah@redhat.com> Message-id: 23380f37b22d407ba0b9e080f6ea0d66b279f2d2.1362505276.git.amit.shah@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-08qemu-char: add watch supportAnthony Liguori
This allows a front-end to request for a callback when the backend is writable again. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Amit Shah <amit.shah@redhat.com> Message-id: 96f93c0f741064604bbb6389ce962191120af8b7.1362505276.git.amit.shah@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-08qemu-char: tcp: make use GIOChannelAnthony Liguori
I didn't bother switching to g_io_channel_read/write because we need to use sendmsg on Unix. No problem though since we're using an unbuffered channel. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Amit Shah <amit.shah@redhat.com> Message-id: 002f726576dfb51bca4854aa257b74d77c1cd4e8.1362505276.git.amit.shah@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-08qemu-char: convert UDP to GIOChannelAnthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Amit Shah <amit.shah@redhat.com> Message-id: 775a2bd666a3d1fa008656bf97191b7573c6ffb5.1362505276.git.amit.shah@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-08qemu-char: convert pty to GIOChannelAnthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Amit Shah <amit.shah@redhat.com> Message-id: 339eebf3c59a450b0354056e9ac4b41f67230831.1362505276.git.amit.shah@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-08qemu-char: convert fd_chr to use a GIOChannelAnthony Liguori
This uses the newly introduced IOWatchPoll source. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Amit Shah <amit.shah@redhat.com> Message-id: 0cb5d14510ee835a0ebc23676d10a2cce9280da5.1362505276.git.amit.shah@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-08char: add IOWatchPoll supportAnthony Liguori
This is a special GSource that supports CharDriverState style poll callbacks. For reviewability and bisectability, this code is #if 0'd out in this patch to avoid unused warnings since all of the functions are static. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Amit Shah <amit.shah@redhat.com> Message-id: 9b59ac17b9d0bb3972a73fed04d415f07b391936.1362505276.git.amit.shah@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-08qemu-char: remove dead/confusing logic with nb_stdio_clientsAnthony Liguori
This code is very old dating back to 2007. What is puzzling is that STDIO_MAX_CLIENTS was always #define to 1 meaning that all of the code to deal with more than one client was unreachable. Just remove the whole mess of it. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Amit Shah <amit.shah@redhat.com> Message-id: d276bccdbf4e7463020c5f539f61ae3bfbc88d1d.1362505276.git.amit.shah@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-08char-socket: fix error reportingAnthony Liguori
Right now the inet connect code tries all available addresses but until one doesn't fail. It passes local_err each time without clearing it from the previous failure. This can trigger an assert since the inet connect code tries to set an error on an object != NULL. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Amit Shah <amit.shah@redhat.com> Message-id: 16c806d60aa5e9660ed7751bb4e37dcd278f97f0.1362505276.git.amit.shah@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-07hw/nand.c: correct the sense of the BUSY/READY status bitKuo-Jung Su
The BIT6 of Status Register(SR): SR[6] behaves the same as R/B# pin SR[6] = 0 indicates the device is busy; SR[6] = 1 means the device is ready Some NAND flash controller (i.e. ftnandc021) relies on the SR[6] to determine if the NAND flash erase/program is success or error timeout. P.S: The exmaple NAND flash datasheet could be found at following link: http://www.mxic.com.tw/QuickPlace/hq/PageLibrary4825740B00298A3B.nsf/h_Index/8FEA549237D2F7674825795800104C26/$File/MX30LF1G08AA,%203V,%201Gb,%20v1.1.pdf Signed-off-by: Kuo-Jung Su <dantesu@gmail.com> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2013-03-05Merge branch 'target-arm.next' of git://git.linaro.org/people/pmaydell/qemu-armAurelien Jarno
* 'target-arm.next' of git://git.linaro.org/people/pmaydell/qemu-arm: MAINTAINERS: add entry for ARM KVM guest cores configure: Enable KVM on ARM hw/kvm/arm_gic: Implement support for KVM in-kernel ARM GIC target-arm: Use MemoryListener to identify GIC base address for KVM hw/arm_gic: Convert ARM GIC classes to use init/realize hw/arm_gic: Add presave/postload hooks ARM KVM: save and load VFP registers from kernel ARM: KVM: Add support for KVM on ARM architecture target-arm: Drop CPUARMState* argument from bank_number() linux-headers: resync from mainline to add ARM KVM headers oslib-posix: Align to permit transparent hugepages on ARM Linux target-arm: Don't decode RFE or SRS on M profile cores target-arm: Factor out handling of SRS instruction
2013-03-05mipsn32-linux-user: Configure the architecture properlyRichard Henderson
N32 is a 64-bit cpu with a 32-bit address space. We have existing cpp defines for this situation, but weren't using them. This does mean that the linux-user/mipsn32 directory must be merged with the linux-user/mips64 directory, and differences must be resolved via ifdefs. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-03-05mips64-linux-user: Enable 64-bit address mode and fpuRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-03-05mips-linux-user: Fix n32 and n64 syscallsRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-03-05mips-linux-user: Save and restore fpu and dsp from sigcontextRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-03-05mips-linux-user: Enable mips64 and mipsn32 linux-user targetsRichard Henderson
At this point we can enable compilation, though things still don't work. Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-03-05mips-linux-user: Share o32 code for n32 and n64 signalsRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-03-05mips-linux-user: Delete n32 and n64 signal stubsRichard Henderson
Deleting these first makes the next patch much easier to read. This doesn't cause any sort of compilation failure because we have not yet enabled n32/n64 compilation. This is dead code. Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-03-05MAINTAINERS: add entry for ARM KVM guest coresPeter Maydell
Add an entry indicating maintainer status for the ARM KVM code. Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-03-05configure: Enable KVM on ARMPeter Maydell
Enable KVM on ARM hosts, now that all the necessary components for it exist. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2013-03-05hw/kvm/arm_gic: Implement support for KVM in-kernel ARM GICPeter Maydell
Implement support for using the KVM in-kernel GIC for ARM. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Andreas Färber <afaerber@suse.de>
2013-03-05target-arm: Use MemoryListener to identify GIC base address for KVMPeter Maydell
When using an in-kernel GIC with KVM, we need to tell the kernel where the GIC's memory mapped registers live. Do this by registering a MemoryListener which tracks where the board model maps the A15's private peripherals, so we can finish the GIC initialisation when the GIC is actually mapped. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2013-03-05hw/arm_gic: Convert ARM GIC classes to use init/realizePeter Maydell
Convert the ARM GIC classes to use init/realize rather than SysBusDevice::init. (We have to do them all in one patch to avoid unconverted subclasses calling a nonexistent SysBusDevice init function in the base class and crashing.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Andreas Färber <afaerber@suse.de>
2013-03-05hw/arm_gic: Add presave/postload hooksPeter Maydell
Add presave/postload hooks to the ARM GIC common base class. These will be used by the KVM in-kernel GIC subclass to sync state between kernel and userspace when migrating. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Andreas Färber <afaerber@suse.de> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2013-03-05ARM KVM: save and load VFP registers from kernelPeter Maydell
Add support for saving and restoring VFP register state from the kernel. This includes a check that the KVM-created CPU has full VFP support (as the TCG Cortex-A15 model always does), since for the moment ARM QEMU doesn't have any way to tweak optional features on created CPUs. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2013-03-05ARM: KVM: Add support for KVM on ARM architectureChristoffer Dall
Add basic support for KVM on ARM architecture. Signed-off-by: Christoffer Dall <cdall@cs.columbia.edu> [PMM: Minor tweaks and code cleanup, switch to ONE_REG] Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2013-03-05target-arm: Drop CPUARMState* argument from bank_number()Peter Maydell
Drop the CPUARMState* argument from bank_number(), since we only use it for passing to cpu_abort(). Use hw_error() instead. This avoids propagating further interfaces using env pointers. In the long term this function's callers need auditing to fix problems where badly behaved guests can pass invalid bank numbers. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Andreas Färber <afaerber@suse.de>
2013-03-05linux-headers: resync from mainline to add ARM KVM headersPeter Maydell
Resync QEMU's copy of the Linux kernel headers from git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 2ef14f4. This adds the ARM KVM headers, since ARM KVM support has just hit mainline via Russell's ARM tree. This is not a pure sync -- I have removed by hand some changes that would have reverted updates for s390x and ppc which have not yet hit mainline. Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-03-05oslib-posix: Align to permit transparent hugepages on ARM LinuxPeter Maydell
ARM Linux (like x86-64 Linux) can use transparent hugepages for KVM if memory blocks are 2MiB aligned; set QEMU_VMALLOC_ALIGN accordingly. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2013-03-05target-arm: Don't decode RFE or SRS on M profile coresPeter Maydell
M profile cores do not have the RFE or SRS instructions, so correctly UNDEF these insn patterns on those cores. Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-03-05target-arm: Factor out handling of SRS instructionPeter Maydell
Factor out the handling of the SRS instruction rather than duplicating it between the Thumb and ARM decoders. This in passing fixes two bugs in the Thumb decoder's SRS handling which didn't exist in the ARM decoder: * (LP:1079080) storing CPSR rather than SPSR (fixed in the ARM decoder in commit c67b6b71 in 2009) * failing to free the 'addr' TCG temp in the writeback case Reported-by: Cesson Vincent <vcesson@stmi.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-03-05target-mips: Fix accumulator selection for MIPS16 and microMIPSRichard Sandiford
Add accumulator arguments to gen_HILO and gen_muldiv, rather than extracting the accumulator directly from ctx->opcode. The extraction was only right for the standard encoding: MIPS16 doesn't have access to the DSP registers, while microMIPS encodes the accumulator register in a different field (bits 14 and 15). Passing the accumulator register is probably an over-generalisation for division and 64-bit multiplication, which never access anything other than HI and LO, and which always pass 0 as the new argument. Separating them felt a bit fussy though. Signed-off-by: Richard Sandiford <rdsandiford@googlemail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-03-04target-mips: Translate breaks and traps into the appropriate signalMeador Inge
GCC and GAS are capable of generating traps or breaks to check for division by zero. Additionally, GAS is capable of generating traps or breaks to check for overflow on certain division and multiplication operations. The Linux kernel translates these traps and breaks into signals. This patch implements the corresponding feature in QEMU. Signed-off-by: Meador Inge <meadori@codesourcery.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-03-04target-mips: fix DSP overflow macro and affected routinesPetar Jovanovic
The previous implementation incorrectly used same macro to detect overflow for addition and subtraction. This patch makes distinction between these two, and creates separate macros. The affected routines are changed accordingly. This change also includes additions to the existing tests for SUBQ_S_PH and SUBQ_S_W that would trigger the fixed issue, and it removes dead code from the test file. The last test case in subq_s_w.c is a bug found/reported/ isolated by Klaus Peichl from Dolby. Signed-off-by: Petar Jovanovic <petar.jovanovic@imgtec.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-03-04Merge remote-tracking branch 'stefanha/block' into stagingAnthony Liguori
# By MORITA Kazutaka (5) and others # Via Stefan Hajnoczi * stefanha/block: block: for HMP commit() operations on 'all', skip non-COW drives sheepdog: add support for connecting to unix domain socket sheepdog: use inet_connect to simplify connect code sheepdog: accept URIs move socket_set_nodelay to osdep.c slirp/tcp_subr.c: fix coding style in tcp_connect dataplane: remove EventPoll in favor of AioContext virtio-blk: fix unplug + virsh reboot ide/macio: Fix macio DMA initialisation.
2013-03-04Merge remote-tracking branch 'mst/tags/for_anthony' into stagingAnthony Liguori
virtio,vhost,pci,e1000 Mostly bugfixes, but also some ICH work by Laszlo. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Thu 28 Feb 2013 07:13:56 AM CST using RSA key ID D28D5469 # gpg: Can't check signature: public key not found # By Michael S. Tsirkin (2) and others # Via Michael S. Tsirkin * mst/tags/for_anthony: Set virtio-serial device to have a default of 2 MSI vectors. ICH9 LPC: Reset Control Register, basic implementation Fix guest OS hang when 64bit PCI bar present e1000: unbreak the guest network migration to 1.3 vhost: memory sync fixes
2013-03-04Merge remote-tracking branch 'kraxel/seabios-1.7.2.1' into stagingAnthony Liguori
# By Gerd Hoffmann # Via Gerd Hoffmann * kraxel/seabios-1.7.2.1: update seabios to 1.7.2.1
2013-03-04Merge remote-tracking branch 'stefanha/net' into stagingAnthony Liguori
# By Jason Wang (2) and others # Via Stefan Hajnoczi * stefanha/net: qmp: netdev_add is like -netdev, not -net, fix documentation doc: document -netdev hubport net: reduce the unnecessary memory allocation of multiqueue tap: set IFF_ONE_QUEUE per default tap: forbid creating multiqueue tap when hub is used net: fix unbounded NetQueue net: fix qemu_flush_queued_packets() in presence of a hub
2013-03-04block: for HMP commit() operations on 'all', skip non-COW drivesJeff Cody
During a commit of 'all' using the HMP non-live commit, the operation is aborted and returns error on the first error enountered. When non-COW drives are in use (e.g. ejected floppy, cdrom, or drives without a backing parent), that means a commit all will return an error of either -ENOMEDIUM or -ENOTSUP. This is not desirable, so for the 'all' commit case, only attempt the commit if both bs->drv and bs->backing_hd are present. More succinctly: 'commit all' now means a commit on all COW drives. This means an individual commit to a specific non-COW drive will still return the appropriate error (-ENOMEDIUM if eject / not present, -ENOTSUP if no backing file). Reported-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-03-04sheepdog: add support for connecting to unix domain socketMORITA Kazutaka
This patch adds support for a unix domain socket for a connection between qemu and local sheepdog server. You can use the unix domain socket with the following syntax: $ qemu sheepdog+unix:///<vdiname>?socket=<socket path>[#snapid] Signed-off-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-03-04sheepdog: use inet_connect to simplify connect codeMORITA Kazutaka
This uses the form "<host>:<port>" for the representation of the sheepdog server to use inet_connect. Signed-off-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-03-04sheepdog: accept URIsMORITA Kazutaka
The URI syntax is consistent with the NBD and Gluster syntax. The syntax is sheepdog[+tcp]://[host:port]/vdiname[#snapid|#tag] Signed-off-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-03-04move socket_set_nodelay to osdep.cMORITA Kazutaka
Signed-off-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-03-04slirp/tcp_subr.c: fix coding style in tcp_connectMORITA Kazutaka
Fix coding style in tcp_connect before the next patch. Signed-off-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-03-04dataplane: remove EventPoll in favor of AioContextPaolo Bonzini
During the review of the dataplane code, the EventPoll API morphed itself (not concidentially) into something very very similar to an AioContext. Thus, it is trivial to convert virtio-blk-dataplane to use AioContext, and a first baby step towards letting dataplane talk directly to the QEMU block layer. The only interesting note is the value-copy of EventNotifiers. At least in my opinion this is part of the EventNotifier API and is even portable to Windows. Of course, in this case you should not close the notifier's underlying file descriptors or handle with event_notifier_cleanup. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-03-04virtio-blk: fix unplug + virsh rebootChristian Borntraeger
virtio-blk registers a vmstate change handler. Unfortunately this handler is not unregistered on unplug, leading to some random crashes if the system is restarted, e.g. via virsh reboot. Lets unregister the vmstate change handler if the device is removed. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-03-04ide/macio: Fix macio DMA initialisation.Mark Cave-Ayland
Commit 07a7484e5d713f1eb7c1c37b18a8ab0d56d88875 accidentally introduced a bug in the initialisation of the second macio DMA device which could cause some DMA operations to segfault QEMU. CC: Andreas Färber <afaerber@suse.de> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Acked-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-03-03gen-icount.h: Rename gen_icount_start/end to gen_tb_start/endPeter Maydell
The gen_icount_start/end functions are now somewhat misnamed since they are useful for generic "start/end of TB" code, used for more than just icount. Rename them to gen_tb_start/end. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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