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2016-05-23xen: introduce dummy system deviceJuergen Gross
Introduce a new dummy system device serving as parent for virtual buses. This will enable new pv backends to introduce virtual buses which are removable again opposed to system buses which are meant to stay once added. Signed-off-by: Juergen Gross <jgross@suse.com> Acked-by: Anthony PERARD <anthony.perard@citrix.com> Reviewed-by: Wei Liu <wei.liu2@citrix.com> Message-id: 1463062421-613-2-git-send-email-jgross@suse.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-05-23rng-random: rename RndRandom to RngRandomWei Jiangang
Usually, Random Number Generator is abbreviated to RNG/rng. so replacing RndRandom with RngRandom seems more reasonable and keep consistent with RngBackend. Signed-off-by: Wei Jiangang <weijg.fnst@cn.fujitsu.com> Reviewed-by: Pankaj Gupta <pagupta@redhat.com> Message-Id: <1460684168-5403-1-git-send-email-weijg.fnst@cn.fujitsu.com> Signed-off-by: Amit Shah <amit.shah@redhat.com>
2016-05-20machine: add properties to compat_props incrementalyIgor Mammedov
Switch to adding compat properties incrementaly instead of completly overwriting compat_props per machine type. That removes data duplication which we have due to nested [PC|SPAPR]_COMPAT_* macros. It also allows to set default device properties from default foo_machine_options() hook, which will be used in following patch for putting VMGENID device as a function if ISA bridge on pc/q35 machines. Suggested-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Igor Mammedov <imammedo@redhat.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> [ehabkost: Fixed CCW_COMPAT_* and PC_COMPAT_0_* defines] Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-05-20vl: Replace DT_NOGRAPHIC with machine optionEduardo Habkost
All DisplayType values are just UI options that don't affect any hardware emulation code, except for DT_NOGRAPHIC. Replace DT_NOGRAPHIC with DT_NONE plus a new "-machine graphics=on|off" option, so hardware emulation code don't need to use the display_type variable. Cc: Michael Walle <michael@walle.cc> Cc: Blue Swirl <blauwirbel@gmail.com> Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-05-20pc-dimm: correct comment of MemoryHotplugStateCao jin
correct comment and remove an unused macro. commit adcb4ee6 already correct its type Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-05-19hw: clean up hw/hw.h includesPaolo Bonzini
Include qom/object.h and exec/memory.h instead of exec/ioport.h; exec/ioport.h was almost everywhere required only for those two includes, not for the content of the header itself. Remove block/aio.h, everybody is already including it through another path. With this change, include/hw/hw.h is freed from qemu-common.h. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-19hw: remove pio_addr_tPaolo Bonzini
pio_addr_t is almost unused, because these days I/O ports are simply accessed through the address space. cpu_{in,out}[bwl] themselves are almost unused; monitor.c and xen-hvm.c could use address_space_read/write directly, since they have an integer size at hand. This leaves qtest as the only user of those functions. On the other hand even portio_* functions use this type; the only interesting use of pio_addr_t thus is include/hw/sysbus.h. I guess I could move it there, but I don't see much benefit in that either. Using uint32_t is enough and avoids the need to include ioport.h everywhere. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-19hw: explicitly include qemu/log.hPaolo Bonzini
Move the inclusion out of hw/hw.h, most files do not need it. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-19qemu-common: push cpu.h inclusion out of qemu-common.hPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-19s390x: reorganize CSS bits between cpu.h and other headersPaolo Bonzini
Move cpu_inject_* to the only C file where they are used. Move ioinst.h declarations that need S390CPU to cpu.h, to make ioinst.h independent of cpu.h. Move channel declarations that only need SubchDev from cpu.h to css.h, to make more channel users independent of cpu.h. Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-19qemu-common: stop including qemu/host-utils.h from qemu-common.hPaolo Bonzini
Move it to the actual users. There are some inclusions of qemu/host-utils.h in headers, but they are all necessary. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-19hw: cannot include hw/hw.h from user emulationPaolo Bonzini
All qdev definitions are available from other headers, user-mode emulation does not need hw/hw.h. By considering system emulation only, it is simpler to disentangle hw/hw.h from NEED_CPU_H. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-19hw: move CPU state serialization to migration/cpu.hPaolo Bonzini
Remove usage of NEED_CPU_H from hw/hw.h. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-19hw: do not use VMSTATE_*TLPaolo Bonzini
Reserve this to CPU state serialization. Luckily, they were only used by sPAPR devices and these are ppc64 only. So there is no change to migration format. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-19apic: move target-dependent definitions to cpu.hPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-19explicitly include qom/cpu.hPaolo Bonzini
exec/cpu-all.h includes qom/cpu.h. Explicit inclusion will keep things working when cpu.h will not be included indirectly almost everywhere (either directly or through qemu-common.h). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-19arm: remove useless cpu.h inclusionPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-19ppc: use PowerPCCPU instead of CPUPPCStatePaolo Bonzini
This changes a cpu.h dependency for hw/ppc/ppc.h into a cpu-qom.h dependency. For it to compile we also need to clean up a few unused definitions. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-19mips: use MIPSCPU instead of CPUMIPSStatePaolo Bonzini
This changes a cpu.h dependency into a cpu-qom.h dependency. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-19sh4: include cpu-qom.h in files that require SuperHCPUPaolo Bonzini
This will keep things working when cpu.h will not be included indirectly almost everywhere (either directly or through qemu-common.h). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-19m68k: include cpu-qom.h in files that require M68KCPUPaolo Bonzini
This will keep things working when cpu.h will not be included indirectly almost everywhere (either directly or through qemu-common.h). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-19arm: include cpu-qom.h in files that require ARMCPUPaolo Bonzini
This will keep things working when cpu.h will not be included indirectly almost everywhere (either directly or through qemu-common.h). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-18Fix some typos found by codespellStefan Weil
Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-05-18smbios: fix typoCao jin
The spec says: "on paragraph (16-byte) boundaries" Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-05-18ipack: Update e-mail addressAlberto Garcia
I'm not really using the old one anymore. Signed-off-by: Alberto Garcia <berto@igalia.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-05-17s390x: enable runtime instrumentationFan Zhang
Introduce run-time-instrumentation support when running under kvm for virtio-ccw 2.7 machine and make sure older machines can not enable it. The new ri_allowed field in the s390MachineClass serves as an indicator whether the feature can be used by the machine and should therefore be activated if available. riccb_needed() is used to check whether riccb is needed or not in live migration. Signed-off-by: Fan Zhang <zhangfan@linux.vnet.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-05-17s390x: add compat machine for 2.7Cornelia Huck
Also add some of the option cascading we were missing. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-05-12i.MX: Add i.MX6 SOC implementation.Jean-Christophe DUBOIS
For now we only support the following devices: * up to 4 Cortex A9 cores * A9 MPCORE (SCU, GIC, TWD) * 5 i.MX UARTs * 2 EPIT timers * 1 GPT timer * 3 I2C controllers * 7 GPIO controllers * 6 SDHC controllers * 5 SPI controllers * 1 CCM device * 1 SRC device * various ROM/RAM areas. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-05-12i.MX: Add the Freescale SPI ControllerJean-Christophe DUBOIS
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-05-12i.MX: Add i.MX6 System Reset Controller device.Jean-Christophe DUBOIS
This controller is also present in i.MX5X devices but they are not yet emulated by QEMU. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-05-12ACPI: move acpi_build_srat_memory to common placeShannon Zhao
Move acpi_build_srat_memory to common place so that it could be reused by ARM. Rename it to build_srat_memory. Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org> Reviewed-by: Andrew Jones <drjones@redhat.com> Message-id: 1461667229-9216-5-git-send-email-zhaoshenglong@huawei.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-05-12ACPI: Fix the definition of proximity in AcpiSratMemoryAffinityShannon Zhao
ACPI spec says that Proximity Domain is an "Integer that represents the proximity domain to which the processor belongs". So define it as a uint32_t. Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org> Reviewed-by: Andrew Jones <drjones@redhat.com> Message-id: 1461667229-9216-4-git-send-email-zhaoshenglong@huawei.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-05-12ACPI: Add GICC Affinity StructureShannon Zhao
Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org> Reviewed-by: Andrew Jones <drjones@redhat.com> Message-id: 1461667229-9216-3-git-send-email-zhaoshenglong@huawei.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-04-13virtio-input: support absolute axis config in pass-throughLadi Prosek
VIRTIO_INPUT_CFG_ABS_INFO was not implemented for pass-through input devices. This patch follows the existing design and pre-fetches the config for all absolute axes using EVIOCGABS at realize time. Signed-off-by: Ladi Prosek <lprosek@redhat.com> Message-id: 1460558603-18331-1-git-send-email-lprosek@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-04-13move const_le{16, 23} to qemu/bswap.h, add commentGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1460441239-867-1-git-send-email-kraxel@redhat.com
2016-04-13virtio-input: add parenthesis to const_le{16, 32}Gerd Hoffmann
"_x" must be "(_x)" otherwise things fail if you pass in expressions. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1460440299-26654-1-git-send-email-kraxel@redhat.com
2016-04-07virtio: merge virtio_queue_aio_set_host_notifier_handler with ↵Paolo Bonzini
virtio_queue_set_aio Eliminating the reentrancy is actually a nice thing that we can do with the API that Michael proposed, so let's make it first class. This also hides the complex assign/set_handler conventions from callers of virtio_queue_aio_set_host_notifier_handler, which in fact was always called with assign=true. Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-04-07virtio-scsi: use aio handler for data planePaolo Bonzini
In addition to handling IO in vcpu thread and in io thread, dataplane introduces yet another mode: handling it by AioContext. This reuses the same handler as previous modes, which triggers races as these were not designed to be reentrant. Use a separate handler just for aio, and disable regular handlers when dataplane is active. Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-04-07virtio-blk: use aio handler for data planeMichael S. Tsirkin
In addition to handling IO in vcpu thread and in io thread, dataplane introduces yet another mode: handling it by AioContext. This reuses the same handler as previous modes, which triggers races as these were not designed to be reentrant. Use a separate handler just for aio, and disable regular handlers when dataplane is active. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-04-07virtio: add aio handlerMichael S. Tsirkin
In addition to handling IO in vcpu thread and in io thread, blk dataplane introduces yet another mode: handling it by AioContext. Currently, this reuses the same handler as previous modes, which triggers races as these were not designed to be reentrant. Add instead a separate handler just for aio; this will make it possible to disable regular handlers when dataplane is active. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-04-07virtio-scsi: fix disabled modePaolo Bonzini
Add two missing checks for s->dataplane_fenced. In one case, QEMU would skip injecting an IRQ due to a write to an uninitialized EventNotifier's file descriptor. In the second case, the dataplane_disabled field was used by mistake; in fact after fixing this occurrence it is completely unused. Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-04-07virtio-blk: fix disabled modePaolo Bonzini
We must not call virtio_blk_data_plane_notify if dataplane is disabled: we would hit a segmentation fault in notify_guest_bh as s->guest_notifier has not been setup and is NULL. Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-04-07virtio: make virtio_queue_notify_vq staticPaolo Bonzini
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-04-07Sort the fw_cfg file listGerd Hoffmann
Entries are inserted in filename order instead of being appended to the end in case sorting is enabled. This will avoid any future issues of moving the file creation around, it doesn't matter what order they are created now, the will always be in filename order. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Added machine type handling for compatibility. This was a fairly complex change, this will preserve the order of fw_cfg for older versions no matter what order the firmware files actually come in. A list is kept of the correct legacy order and the entries will be inserted based upon their order in the list. Except that some entries are ordered (in a specific area of the list) based upon what order they appear on the command line. Special handling is added for those entries. Signed-off-by: Corey Minyard <cminyard@mvista.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-04-07acpi: Add missing GCC_FMT_ATTRStefan Weil
This fixes a compiler warning when compiling with -Wextra. Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-04-05spapr_drc: enable immediate detach for unsignalled devicesMichael Roth
Currently spapr doesn't support "aborting" hotplug of PCI devices by allowing device_del to immediately remove the device if we haven't signalled the presence of the device to the guest. In the past this wasn't an issue, since we always immediately signalled device attach and simply relied on full guest-aware add->remove path for device removal. However, as of 788d259, we now defer signalling for PCI functions until function 0 is attached, so now we need to deal with these "abort" operations for cases where a user hotplugs a non-0 function, then opts to remove it prior hotplugging function 0. Currently they'd have to reboot before the unplug completed. PCIe multifunction hotplug does not have this requirement however, so from a management implementation perspective it would be good to address this within the same release as 788d259. We accomplish this by simply adding a 'signalled' flag to track whether a device hotplug event has been sent to the guest. If it hasn't, we allow immediate removal under the assumption that the guest will not be using the device. Devices present at boot/reset time are also assumed to be 'signalled'. For CPU/memory/etc, signalling will still happen immediately as part of device_add, so only PCI functions should be affected. Cc: bharata@linux.vnet.ibm.com Cc: david@gibson.dropbear.id.au Cc: sbhat@linux.vnet.ibm.com Cc: qemu-ppc@nongnu.org Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> [dwg: This fixes a regression where an incorrect hot-add of a non-zero function can no longer be backed out until function 0 is added] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-04-05ppc: Rework POWER7 & POWER8 exception modelCédric Le Goater
From: Benjamin Herrenschmidt <benh@kernel.crashing.org> This patch fixes the current AIL implementation for POWER8. The interrupt vector address can be calculated directly from LPCR when the exception is handled. The excp_prefix update becomes useless and we can cleanup the H_SET_MODE hcall. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> [clg: Removed LPES0/1 handling for HV vs. !HV Fixed LPCR_ILE case for POWERPC_EXCP_POWER8 ] Signed-off-by: Cédric Le Goater <clg@fr.ibm.com> [dwg: This was written as a cleanup, but it also fixes a real bug where setting an alternative interrupt location would not be correctly migrated] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-03-30hw/mips/cps: enable ITU for multithreading processorsLeon Alrae
Make ITU available in the system if CPU supports multithreading and is part of CPS. Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2016-03-30hw/mips: implement ITC Configuration Tags and Storage CellsLeon Alrae
Implement ITC as a single object consisting of two memory regions: 1) tag_io: ITC Configuration Tags (i.e. ITCAddressMap{0,1} registers) which are accessible by the CPU via CACHE instruction. Also adding MemoryRegion *itc_tag to the CPUMIPSState so that CACHE instruction will dispatch reads/writes directly. 2) storage_io: memory-mapped ITC Storage whose address space is configurable (i.e. enabled/remapped/resized) by writing to ITCAddressMap{0,1} registers. ITC Storage contains FIFO and Semaphore cells. Read-only FIFO bit in the ITC cell tag indicates the type of the cell. If the ITC Storage contains both types of cells then FIFOs are located before Semaphores. Since issuing thread can get blocked on the access to a cell (in E/F Synchronized and P/V Synchronized Views) each cell has a bitmap to track which threads are currently blocked. Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2016-03-30hw/mips/cps: create CPC block inside CPSLeon Alrae
Create Cluster Power Controller and add a link to the CPC MemoryRegion in GCR. Guest can enable / map CPC to any physical address by writing to the memory-mapped GCR_CPC_BASE register. Set vp-start-reset property to 1 to allow only first VP to run from reset. Others are brought up by the guest via CPC memory-mapped registers. Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
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