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2014-08-18virtio-serial: create a linked list of all active devicesAmit Shah
To ensure two virtserialports don't get added to the system with the same 'name' parameter, we need to access all the ports on all the devices added, and compare the names. We currently don't have a list of all VirtIOSerial devices added to the system. This commit adds a simple linked list in which devices are put when they're initialized, and removed when they go away. Signed-off-by: Amit Shah <amit.shah@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2014-08-18Merge remote-tracking branch 'remotes/mcayland/qemu-sparc' into stagingPeter Maydell
* remotes/mcayland/qemu-sparc: target-sparc64: implement Short Floating-Point Store Instructions apb: add IOMMU flush register implementation sun4u: switch second PCI-ebus bridge BAR over to PCI IO space Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-08-18Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into ↵Peter Maydell
staging Block pull request # gpg: Signature made Fri 15 Aug 2014 18:04:23 BST using RSA key ID 81AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" * remotes/stefanha/tags/block-pull-request: (55 commits) qcow2: fix new_blocks double-free in alloc_refcount_block() image-fuzzer: Reduce number of generator functions in __init__ image-fuzzer: Add generators of L1/L2 tables image-fuzzer: Add fuzzing functions for L1/L2 table entries docs: Expand the list of supported image elements with L1/L2 tables image-fuzzer: Public API for image-fuzzer/runner/runner.py image-fuzzer: Generator of fuzzed qcow2 images image-fuzzer: Fuzzing functions for qcow2 images image-fuzzer: Tool for fuzz tests execution docs: Specification for the image fuzzer ide: only constrain read/write requests to drive size, not other types virtio-blk: Correct bug in support for flexible descriptor layout libqos: Change free function called in malloc libqos: Correct mask to align size to PAGE_SIZE in malloc-pc libqtest: add QTEST_LOG for debugging qtest testcases ide: Fix segfault when flushing a device that doesn't exist qemu-options: add missing -drive discard option to cmdline help parallels: 2TB+ parallels images support parallels: split check for parallels format in parallels_open parallels: replace tabs with spaces in block/parallels.c ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-08-17apb: add IOMMU flush register implementationMark Cave-Ayland
The IOMMU flush register is a write-only register used to remove entries from the hardware TLB. Allow guest writes to this register as a no-op, and return a value of 0 for reads. This fixes IOMMU DMA operations under NetBSD SPARC64. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2014-08-17sun4u: switch second PCI-ebus bridge BAR over to PCI IO spaceMark Cave-Ayland
The ebus is the sun4u equivalent of the old ISA bus which is already mapped at the beginning of PCI IO space within QEMU. NetBSD attempts to find the physical addresses of devices connected to the ebus by parsing the BARs of the PCI-ebus bridge and using the base address found by matching both the address space type and range for a particular ebus address. Since the second PCI-ebus bridge BAR is already aliased onto IO space, switch the BAR over to match and reduce the size to 0x1000 which is enough to cover all the legacy ioport devices whilst leaving the remaining IO space for other PCI devices. This allows NetBSD SPARC64 to correctly detect and access devices on the ebus. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2014-08-15Merge remote-tracking branch 'remotes/mjt/tags/trivial-patches-2014-08-15' ↵Peter Maydell
into staging trivial patches for 2014-08-15 # gpg: Signature made Fri 15 Aug 2014 16:13:03 BST using RSA key ID A4C3D7DB # gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>" # gpg: aka "Michael Tokarev <mjt@corpit.ru>" # gpg: aka "Michael Tokarev <mjt@debian.org>" # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D 4324 457C E0A0 8044 65C5 # Subkey fingerprint: 6F67 E18E 7C91 C5B1 5514 66A7 BEE5 9D74 A4C3 D7DB * remotes/mjt/tags/trivial-patches-2014-08-15: ivshmem: check the value returned by fstat() l2cap: fix access to freed memory intc: i8259: Convert Array allocation to g_new0 ppc: convert g_new(qemu_irq usages to g_new0 ssi: xilinx_spi: Initialise CS GPIOs as NULL vl: free err qemu-options.hx: fix typo about l2tpv3 vmxnet3: don't use 'Yoda conditions' vl: don't use 'Yoda conditions' spice: don't use 'Yoda conditions' don't use 'Yoda conditions' isa-bus: don't use 'Yoda conditions' audio: don't use 'Yoda conditions' usb: don't use 'Yoda conditions' CODING_STYLE: Section about conditional statement pci-host: update uncorresponding description pci-host: update obsolete reference about piix_pci.c qemu-options.hx: fix a typo of chardev memory: Update obsolete comment about AddrRange field type apic: Fix reported DFR content Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-08-15ide: only constrain read/write requests to drive size, not other typesMichael Tokarev
Commit 58ac321135a introduced a check to ide dma processing which constrains all requests to drive size. However, apparently, some valid requests (like TRIM) does not fit in this constraint, and fails in 2.1. So check the range only for reads and writes. Cc: qemu-stable@nongnu.org Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15virtio-blk: Correct bug in support for flexible descriptor layoutMarc Marí
Without this correction, only a three descriptor layout is accepted, and requests with just two descriptors are not completed and no error message is displayed. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15ide: Fix segfault when flushing a device that doesn't existKevin Wolf
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15dataplane: stop trying on notifier errorCornelia Huck
If we fail to set up guest or host notifiers, there's no use trying again every time the guest kicks, so disable dataplane in that case. Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15dataplane: fail notifier setting gracefullyCornelia Huck
The dataplane code is currently doing a hard exit if it fails to set up either guest or host notifiers. In practice, this may mean that a guest suddenly dies after a dataplane device failed to come up (e.g., when a file descriptor limit is hit for tne nth device). Let's just try to unwind the setup instead and return. Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15dataplane: print why starting failedCornelia Huck
Setting up guest or host notifiers may fail, but the user will have no idea why: Let's print the error returned by the callback. Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15cmd646: synchronise UDMA interrupt status with DMA interrupt statusMark Cave-Ayland
Make sure that both registers are synchronised when being accessed through PCI configuration space. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15cmd646: allow MRDMODE interrupt status bits clearing from PCI config spaceMark Cave-Ayland
Make sure that we also update the normal DMA interrupt status bits at the same time, and alter the IRQ if being cleared accordingly. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15cmd646: switch cmd646_update_irq() to accept PCIDevice instead of PCIIDEStateMark Cave-Ayland
This is in preparation for adding configuration space accessors which accept PCIDevice as a parameter. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15cmd646: synchronise DMA interrupt status with UDMA interrupt statusMark Cave-Ayland
Make sure that the standard DMA interrupt status bits reflect any changes made to the UDMA interrupt status bits. The CMD646U2 datasheet claims that these bits are equivalent, and they must be synchronised for guests that manipulate both registers. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15cmd646: add constants for CNTRL register accessMark Cave-Ayland
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15q35: Enable the ioapic device to be seen by qtest.John Snow
Currently, the ioapic device can not be found in a qtest environment when requesting "irq_interrupt_in ioapic" via the qtest socket. By mirroring how the ioapic is added in i44ofx (hw/i440/pc_piix.c), as a child of "q35," the device is able to be seen by qtest. Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15ahci: construct PIO Setup FIS for PIO commandsPaolo Bonzini
PIO commands should put a PIO Setup FIS in the receive area when data transfer ends. Currently QEMU does not do this and only places the D2H FIS at the end of the operation. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15ide: make all commands go through cmd_donePaolo Bonzini
AHCI has code to fill in the D2H FIS trigger the IRQ all over the place. Centralize this in a single cmd_done callback by generalizing the existing async_cmd_done callback. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15ide: stop PIO transfer on errorsPaolo Bonzini
This will provide a hook for sending the result of the command via the FIS receive area. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15ahci: remove duplicate PORT_IRQ_* constantsPaolo Bonzini
These are defined twice, just use one set consistently. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15ide: move retry constants out of BM_STATUS_* namespacePaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15ide: move BM_STATUS bits to pci.[ch]Paolo Bonzini
They are not used by AHCI, and should not be even available there. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15ide: fold add_status callback into set_inactivePaolo Bonzini
It is now called only after the set_inactive callback. Put the two together. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15ide: remove wrong setting of BM_STATUS_INTPaolo Bonzini
Similar to the case removed in commit 69c38b8 (ide/core: Remove explicit setting of BM_STATUS_INT, 2011-05-19), the only remaining use of add_status(..., BM_STATUS_INT) is for short PRDs. The flag should not be raised in this case. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15ide: wrap start_dma callbackPaolo Bonzini
Make it optional and prepare for the next patches. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15ide: simplify start_transfer callbacksPaolo Bonzini
Drop the unused return value and make the callback optional. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15ide: simplify async_cmd_done callbacksPaolo Bonzini
Drop the unused return value. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15ide: simplify set_inactive callbacksPaolo Bonzini
Drop the unused return value and make the callback optional. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15ide: simplify reset callbacksPaolo Bonzini
Drop the unused return value and make the callback optional. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15ide: stash aiocb for flushesPaolo Bonzini
This ensures that operations are completed after a reset Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into stagingPeter Maydell
post-2.1 bugfixes A bunch of fixes that missed 2.1 by a small margin. If we do 2.1.1, some of these would be good candidates, added Cc qemu-stable as appropriate. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Thu 14 Aug 2014 17:07:25 BST using RSA key ID D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" * remotes/mst/tags/for_upstream: pc: Get rid of pci-info leftovers e1000: use symbolic constants to init phy ctrl & status registers e1000: correctly handle phy_ctrl reserved & self-clearing bits ivshmem: fix building when debug mode is enabled acpi: align RSDP numa: show hex number in error message for consistency and prefix them with 0x pc-dimm: fix up error message pc-dimm: validate node property hw:i386: typo fix: MEMORY_HOPTLUG_DEVICE -> MEMORY_HOTPLUG_DEVICE hw/audio/intel-hda: Fix MSI capability address pc: Create 2.2 machine type pci: Use bus master address space for delivering MSI/MSI-X messages Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-08-15Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' ↵Peter Maydell
into staging Tracing pull request * remotes/stefanha/tags/tracing-pull-request: virtio-rng: add some trace events trace: add some tcg tracing support trace: teach lttng backend to use format strings trace: [tcg] Include TCG-tracing header on all targets trace: [tcg] Include event definitions in "trace.h" trace: [tcg] Generate TCG tracing routines trace: [tcg] Include TCG-tracing helpers trace: [tcg] Define TCG tracing helper routine wrappers trace: [tcg] Define TCG tracing helper routines trace: [tcg] Declare TCG tracing helper routines trace: [tcg] Add 'tcg' event property trace: [tcg] Argument type transformation machinery trace: [tcg] Argument type transformation rules trace: [tcg] Add documentation trace: install simpletrace SystemTap tapset simpletrace: add simpletrace.py --no-header option trace: add tracetool simpletrace_stap format trace: extract stap_escape() function for reuse Conflicts: Makefile.objs
2014-08-15ivshmem: check the value returned by fstat()zhanghailiang
The function fstat() may fail, so check its return value. Acked-by: Levente Kurusa <lkurusa@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-08-15l2cap: fix access to freed memoryzhanghailiang
Pointer 'ch' will be used in function 'l2cap_channel_open_req_msg' after it was previously freed in 'l2cap_channel_open'. Assigned it to NULL after it is freed. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-08-15intc: i8259: Convert Array allocation to g_new0Peter Crosthwaite
To be more array friendly and to indicate the IRQs are initially disconnected. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-08-15ppc: convert g_new(qemu_irq usages to g_new0Peter Crosthwaite
To indicate the IRQs are initially disconnected. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-08-15ssi: xilinx_spi: Initialise CS GPIOs as NULLPeter Crosthwaite
To properly indicate they are unconnected. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-08-15vmxnet3: don't use 'Yoda conditions'Gonglei
imitate nearby code about using '!value' or 'value == NULL' Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-08-15isa-bus: don't use 'Yoda conditions'Gonglei
imitate nearby code about using '!value' or 'value == NULL' Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-08-15audio: don't use 'Yoda conditions'Gonglei
imitate nearby code about using '!value' or 'value == NULL' Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-08-15usb: don't use 'Yoda conditions'Gonglei
imitate nearby code about using '!value' or 'value == NULL' Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-08-15pci-host: update uncorresponding descriptionGonglei
Signed-off-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-08-15pci-host: update obsolete reference about piix_pci.cGonglei
piix_pci.c has been renamed into piix.c at commit c0907c9e6417cb959dfd9ef6873221536ec91351 update the obsolete reference. Signed-off-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-08-15apic: Fix reported DFR contentJan Kiszka
IA-32 SDM, Figure 10-14: Bits 27:0 are reserved as 1. Fixes Jailhouse hypervisor start with in-kernel irqchips off. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-08-15Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into stagingPeter Maydell
Block patches # gpg: Signature made Fri 15 Aug 2014 14:07:42 BST using RSA key ID C88F2FD6 # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" * remotes/kevin/tags/for-upstream: (59 commits) block: Catch !bs->drv in bdrv_check() iotests: Add test for image header overlap qcow2: Catch !*host_offset for data allocation qcow2: Return useful error code in refcount_init() mirror: Handle failure for potentially large allocations vpc: Handle failure for potentially large allocations vmdk: Handle failure for potentially large allocations vhdx: Handle failure for potentially large allocations vdi: Handle failure for potentially large allocations rbd: Handle failure for potentially large allocations raw-win32: Handle failure for potentially large allocations raw-posix: Handle failure for potentially large allocations qed: Handle failure for potentially large allocations qcow2: Handle failure for potentially large allocations qcow1: Handle failure for potentially large allocations parallels: Handle failure for potentially large allocations nfs: Handle failure for potentially large allocations iscsi: Handle failure for potentially large allocations dmg: Handle failure for potentially large allocations curl: Handle failure for potentially large allocations ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-08-15xen_disk: fix possible null-ptr dereferenceGonglei (Arei)
Signed-off-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-14pc: Get rid of pci-info leftoversMarkus Armbruster
pc_fw_cfg_guest_info() never does anything, because has_pci_info is always false. Introduced in commit f8c457b "pc: pass PCI hole ranges to Guests", disabled in commit 9604f70 "pc: disable pci-info for 1.6", and hasn't been enabled since. Obviously a dead end. Get of it. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-08-14e1000: use symbolic constants to init phy ctrl & status registersGabriel L. Somlo
Signed-off-by: Gabriel Somlo <somlo@cmu.edu> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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