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2015-04-28Convert (ffs(val) - 1) to ctz32(val)Stefan Hajnoczi
This commit was generated mechanically by coccinelle from the following semantic patch: @@ expression val; @@ - (ffs(val) - 1) + ctz32(val) The call sites have been audited to ensure the ffs(0) - 1 == -1 case never occurs (due to input validation, asserts, etc). Therefore we don't need to worry about the fact that ctz32(0) == 32. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1427124571-28598-5-git-send-email-stefanha@redhat.com Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-03-26Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell
Bugfixes and making SCSI adapters IOMMU-friendly. # gpg: Signature made Thu Mar 26 13:24:05 2015 GMT using RSA key ID 78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" # gpg: WARNING: This key is not certified with sufficiently trusted signatures! # gpg: It is not certain that the signature belongs to the owner. # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: virtio-scsi-dataplane: fix memory leak for VirtIOSCSIVring misc: fix typos in copyright declaration exec: avoid possible overwriting of mmaped area in qemu_ram_remap sparc: memory: Replace memory_region_init_ram with memory_region_allocate_system_memory mips: memory: Replace memory_region_init_ram with memory_region_allocate_system_memory m68k: memory: Replace memory_region_init_ram with memory_region_allocate_system_memory nbd: Fix up comment after commit e140177 vmw_pvscsi: use PCI DMA APIs megasas: use PCI DMA APIs cpus: Don't kick un-realized cpus. i6300esb: Fix signed integer overflow i6300esb: Correct endiannness fw_cfg: factor out initialization of FW_CFG_ID (rev. number) rcu tests: fix compilation on 32-bit ppc Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-25powerpc: fix -machine usb=no for newworld and pseries machinesPaolo Bonzini
Capture the explicit setting of "usb=no" into a separate bool, and use it to skip the update of machine->usb in the board init function. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-03-25PPC: pseries: Implement boot once=fooAlexander Graf
On sPAPR we haven't supported boot once ever since it emerged, but recently grew need for it. This patch implements boot once logic to it. While at it, we also move to the new bootdevice handling that got introduced to the tree recently. Reported-by: Dinar Valeev <dvaleev@suse.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-03-25spapr: Add missing checks for NULL pointers and report failuresStefan Weil
This fixes potential runtime crashes and two warnings from Coverity. The new error message does not add a prefix "qemu:" because that is already done in function hw_error. It also starts with an uppercase letter because that seems to be the mostly used form. Signed-off-by: Stefan Weil <sw@weilnetz.de> [agraf: fix typo] Signed-off-by: Alexander Graf <agraf@suse.de>
2015-03-25fw_cfg: factor out initialization of FW_CFG_ID (rev. number)Gabriel L. Somlo
The fw_cfg documentation says this of the revision key (0x0001, FW_CFG_ID): > A 32-bit little-endian unsigned int, this item is used as an interface > revision number, and is currently set to 1 by all QEMU architectures > which expose a fw_cfg device. arm/virt doesn't. It could be argued that that's an error in "hw/arm/virt.c"; on the other hand, all of the other fw_cfg providing boards set the interface version to 1 manually, despite the device coming from the same, shared implementation. Therefore, instead of adding fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1); to arm/virt, consolidate all such existing calls in the fw_cfg initialization code. Signed-off-by: Gabriel Somlo <somlo@cmu.edu> Message-Id: <1426789244-26318-1-git-send-email-somlo@cmu.edu> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-03-12Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into stagingPeter Maydell
misc fixes and cleanups A bunch of fixes all over the place, some of the bugs fixed are actually regressions. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Wed Mar 11 17:48:30 2015 GMT using RSA key ID D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" # 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: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67 # Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469 * remotes/mst/tags/for_upstream: (25 commits) virtio-scsi: remove empty wrapper for cmd virtio-scsi: clean out duplicate cdb field virtio-scsi: fix cdb/sense size uapi/virtio_scsi: allow overriding CDB/SENSE size virtio-scsi: drop duplicate CDB/SENSE SIZE exec: don't include hw/boards for linux-user acpi: specify format for build_append_namestring MAINTAINERS: drop aliguori@amazon.com tpm: Move memory subregion function into realize function virtio-pci: Convert to realize() pci: Convert pci_nic_init() to Error to avoid qdev_init() machine: query mem-merge machine property machine: query dump-guest-core machine property hw/boards: make it safe to include for linux-user machine: query phandle-start machine property machine: query kvm-shadow-mem machine property kvm: add machine state to kvm_arch_init machine: query kernel-irqchip property machine: allowed/required kernel-irqchip support machine: replace qemu opts with iommu property ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-11machine: query kernel-irqchip propertyMarcel Apfelbaum
Running x86_64-softmmu/qemu-system-x86_64 -machine pc,kernel_irqchip=on -enable-kvm leads to crash: qemu-system-x86_64: qemu/util/qemu-option.c:387: qemu_opt_get_bool_helper: Assertion `opt->desc && opt->desc->type == QEMU_OPT_BOOL' failed. Aborted (core dumped) This happens because the commit e79d5a6 ("machine: remove qemu_machine_opts global list") removed the global option descriptions and moved them to MachineState's QOM properties. Fix this by querying machine properties through designated wrappers. Signed-off-by: Marcel Apfelbaum <marcel@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-03-11Merge remote-tracking branch 'remotes/mcayland/tags/qemu-sparc-signed' into ↵Peter Maydell
staging qemu-sparc update # gpg: Signature made Tue Mar 10 13:39:51 2015 GMT using RSA key ID AE0F321F # gpg: Good signature from "Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>" * remotes/mcayland/tags/qemu-sparc-signed: sun4u: switch m48t59 NVRAM to MMIO access MAINTAINERS: add myself as SPARC maintainer doc: minor updates to SPARC32 and SPARC64 documentation m48t59: add m48t59 sysbus device m48t59: introduce new base-year qdev property m48t59: let init functions return a Nvram object m48t59: add a Nvram interface m48t59: register a QOM type for each nvram type we support m48t59: move ISA ports/memory regions registration to QOM constructor Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-10m48t59: introduce new base-year qdev propertyMark Cave-Ayland
Currently the m48t59 device uses the hardware model in order to determine whether the year value is offset from the hardware value. As this will soon be required by the x59 model, create a qdev base-year property to represent the base year and update the callers appropriately. Reviewed-by: Hervé Poussineau <hpoussin@reactos.org> CC: Andreas Färber <afaerber@suse.de> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2015-03-10m48t59: let init functions return a Nvram objectHervé Poussineau
Remove left-overs from header file. Move some functions only used by PReP to hw/ppc/prep.c Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> CC: Andreas Färber <afaerber@suse.de> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2015-03-10e500: fix memory leakMichael Tokarev
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Stefan Weil <sw@weilnetz.de>
2015-03-09sPAPR: Implement sPAPRPHBClass EEH callbacksGavin Shan
The patch implements sPAPRPHBClass EEH callbacks so that the EEH RTAS requests can be routed to VFIO for further handling. Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-03-09sPAPR: Implement EEH RTAS callsGavin Shan
The emulation for EEH RTAS requests from guest isn't covered by QEMU yet and the patch implements them. The patch defines constants used by EEH RTAS calls and adds callbacks sPAPRPHBClass::{eeh_set_option, eeh_get_state, eeh_reset, eeh_configure}, which are going to be used as follows: * RTAS calls are received in spapr_pci.c, sanity check is done there. * RTAS handlers handle what they can. If there is something it cannot handle and the corresponding sPAPRPHBClass callback is defined, it is called. * Those callbacks are only implemented for VFIO now. They do ioctl() to the IOMMU container fd to complete the calls. Error codes from that ioctl() are transferred back to the guest. [aik: defined RTAS tokens for EEH RTAS calls] Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-03-09spapr_vio: Convert to realize()Markus Armbruster
Bonus fix: always set an error on failure. Some failures were silent before, except for the generic error set by device_realize(). Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-03-09pseries: Switch VGA endian on H_SET_MODEDavid Gibson
When the guest switches the interrupt endian mode, which essentially means a global machine endian switch, we want to change the VGA framebuffer endian mode as well in order to be backward compatible with existing guests who don't know about the new endian control register. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-03-09spapr: Clean up misuse of qdev_init() in xics-kvm creationMarkus Armbruster
We call try_create_xics() to create a "xics-kvm". If it fails, we call it again to fall back to plain "xics". try_create_xics() uses qdev_init(). qdev_init()'s error handling has an unwanted side effect: it calls qerror_report_err(), which prints to stderr. Looks like an error, but isn't. In QMP context, it would stash the error in the monitor instead, making the QMP command fail. Fortunately, it's only called from board initialization, never in QMP context. Clean up by cutting out the qdev_init() middle-man: set property "realized" directly. While there, improve the error message when we can't satisfy an explicit user request for "xics-kvm", and exit(1) instead of abort(). Simplify the abort when we can't create "xics". Signed-off-by: Markus Armbruster <armbru@redhat.com> [agraf: squash in fix for uninitialized variable from mdroth] Signed-off-by: Alexander Graf <agraf@suse.de>
2015-03-09PPC: Clean up misuse of qdev_init() in kvm-openpic creationMarkus Armbruster
We call ppce500_init_mpic_kvm() to create a "kvm-openpic". If it fails, we call ppce500_init_mpic_qemu() to fall back to plain "openpic". ppce500_init_mpic_kvm() uses qdev_init(). qdev_init()'s error handling has an unwanted side effect: it calls qerror_report_err(), which prints to stderr. Looks like an error, but isn't. In QMP context, it would stash the error in the monitor instead, making the QMP command fail. Fortunately, it's only called from board initialization, never in QMP context. Clean up by cutting out the qdev_init() middle-man: set property "realized" directly. While there, improve the error message when we can't satisfy an explicit user request for "kvm-openpic", and exit(1) instead of abort(). Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-03-09pseries: Export RTC time via QOMDavid Gibson
On x86, the guest's RTC can be read with QMP, either from the RTC device's "date" property or via the "rtc-time" property on the machine (which is an alias to the former). This is set up in the mc146818rtc driver, and doesn't work on other targets. This patch adds a similar "date" property to the pseries machine's RTAS RTC and adds a compatible alias to the machine. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-03-09pseries: Move rtc_offset into RTC device's state structureDavid Gibson
The initial creation of the PAPR RTC qdev class left a wart - the rtc's offset was left in the sPAPREnvironment structure, accessed via a global. This patch moves it into the RTC device's own state structure, were it belongs. This requires a small change to the migration stream format. In order to handle incoming streams from older versions, we also need to retain the rtc_offset field in the sPAPREnvironment structure, so that it can be loaded into via the vmsd, then pushed into the RTC device. Since we're changing the migration format, this also takes the opportunity to: * Change the rtc offset from a value in seconds to a value in nanoseconds, allowing nanosecond offsets between host and guest rtc time, if desired. * Remove both the already unused "next_irq" field and now unused "rtc_offset" field from the new version of the spapr migration stream Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-03-09pseries: Make the PAPR RTC a qdev deviceDavid Gibson
At present the PAPR RTC isn't a "device" as such - it's accessed only via firmware/hypervisor calls, and is handled in the sPAPR core code. This becomes inconvenient as we extend it in various ways. This patch makes the PAPR RTC a separate device in the qemu device model. For now, the only piece of device state - the rtc_offset - is still kept in the global sPAPREnvironment structure. That's clearly wrong, but leaving it to be fixed in a following patch makes for a clearer separation between the internal re-organization of the device, and the behavioural changes (because the migration stream format needs to change slightly when the offset is moved into the device's own state). Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-03-09pseries: Make RTAS time of day functions respect -rtc optionsDavid Gibson
In the 'pseries' machine the real time clock is provided by a paravirtualized firmware interface rather than a device per se; the RTAS get-time-of-day and set-time-of-day calls. Out current implementations of those work directly off host time (with an offset), not respecting options such as clock=vm which can be specified in the -rtc command line option. This patch reworks the RTAS RTC code to respect those options, primarily by basing them on the qemu_clock_get_ns(rtc_clock) function instead of directly on qemu_get_timedate() (which essentially handles host time, not virtual rtc time). As a bonus, this means our get-time-of-day function now also returns nanoseconds. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-03-09pseries: Add spapr_rtc_read() helper functionDavid Gibson
The virtual RTC time is used in two places in the pseries machine. First is in the RTAS get-time-of-day function which returns the RTC time to the guest. Second is in the spapr events code which is used to timestamp event messages from the hypervisor to the guest. Currently both call qemu_get_timedate() directly, but we want to change that so we can properly handle the various -rtc options. In preparation, create a helper function to return the virtual RTC time. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-03-09pseries: Add more parameter validation in RTAS time of day functionsDavid Gibson
Currently, the RTAS time of day functions only partially validate the number of parameters they receive and return. Because of how the parameters are used, this is unlikely to lead to a crash, but it's messy. This patch adds the missing checks. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-03-09pseries: Move sPAPR RTC code into its own fileDavid Gibson
At the moment the RTAS (firmware/hypervisor) time of day functions are implemented in spapr_rtas.c along with a bunch of other things. Since we're going to be expanding these a bit, move the RTAS RTC related code out into new file spapr_rtc.c. Also add its own initialization function, spapr_rtc_init() called from the main machine init routine. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-03-09spapr-pci: Enable huge BARsAlexey Kardashevskiy
At the moment sPAPR only supports 512MB window for MMIO BARs. However modern devices might want bigger 64bit BARs. This extends MMIO window from 512MB to 62GB (aligned to SPAPR_PCI_WINDOW_SPACING) and advertises it in 2 records in the PHB "ranges" property. 32bit gets the space from SPAPR_PCI_MEM_WIN_BUS_OFFSET till the end of 4GB, 64bit gets the rest of the space. If no space is left, 64bit range is not advertised. The MMIO space size is set to old value of 0x20000000 by default for pseries machines older than 2.3. The approach changes the device tree which is a guest visible change, however it won't break migration as: 1. we do not support migration to older QEMU versions 2. migration to newer QEMU will migrate the device tree as well and since the new layout only extends the old one and does not change address mappigns, no breakage is expected here too. SLOF change is required to utilize this extension. Suggested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-03-09spapr: Add pseries-2.3 machineAlexey Kardashevskiy
The next patch will make MMIO space bigger and keep the old value for older pseries machines. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-03-09pseries: Limit PCI host bridge "index" valueDavid Gibson
pseries guests can have large numbers of PCI host bridges. To avoid the user having to specify a number of different configuration values for every one, the device supports an "index" property which is a shorthand setting the various window and configuration addresses from a predefined sensible set. There are some problems with the details at present: * The "index" propery is signed, but negative values will create PCI windows below where we expect, potentially colliding with other devices * No limit is imposed on the "index" property and large values can translate to extremely large window addresses. With PCI passthrough in particular this can mean we exceed various mapping and physical address limits causing the guest host bridge to not work in strange ways. This patch addresses this, by making "index" unsigned, and imposing a limit. Currently the limit allows indices from 0..255 which is probably enough host bridges for the time being. It's fairly easy to extend if we discover we need more. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-03-09spapr_vio/spapr_iommu: Move VIO bypass where it belongsAlexey Kardashevskiy
Instead of tweaking a TCE table device by adding there a bypass flag, let's add an alias to RAM and IOMMU memory region, and enable/disable those according to the selected bypass mode. This way IOMMU memory region can have size of the actual window rather than ram_size which is essential for upcoming DDW support. This moves bypass logic to VIO layer and keeps @bypass flag in TCE table for migration compatibility only. This replaces spapr_tce_set_bypass() calls with explicit assignment to avoid confusion as the function could do something more that just syncing the @bypass flag. This adds a pointer to VIO device into the sPAPRTCETable struct to provide the sPAPRTCETable device a way to update bypass mode for the VIO device. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-03-02Merge remote-tracking branch 'remotes/ehabkost/tags/numa-pull-request' into ↵Peter Maydell
staging NUMA fixes queue # gpg: Signature made Mon Feb 23 19:28:42 2015 GMT using RSA key ID 984DC5A6 # gpg: Can't check signature: public key not found * remotes/ehabkost/tags/numa-pull-request: numa: Rename set_numa_modes() to numa_post_machine_init() numa: Rename option parsing functions numa: Move QemuOpts parsing to set_numa_nodes() numa: Make max_numa_nodeid static numa: Move NUMA globals to numa.c vl.c: Remove unnecessary zero-initialization of NUMA globals numa: Move NUMA declarations from sysemu.h to numa.h Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-02-25Merge remote-tracking branch 'remotes/kraxel/tags/pull-usb-20150218-1' into ↵Peter Maydell
staging usb: error handling fixes from Markus, make sysbus ehci arm-only. # gpg: Signature made Wed Feb 18 09:54:13 2015 GMT using RSA key ID D3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" * remotes/kraxel/tags/pull-usb-20150218-1: Make sysbus EHCI devices ARM only by default PPC: Don't use legacy -usbdevice support for setting up board r2d: Don't use legacy -usbdevice support for setting up board usb: Change usb_create_simple() to abort on failure usb: Suppress bogus error when automatic usb-hub creation fails usb: Do not prefix error_setg() messages with "Error: " usb: Improve -usbdevice error reporting a bit usb: usb_create() can't fail, drop useless error handling Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-02-24Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell
- vhost-scsi: add bootindex property - RCU: fix MemoryRegion lifetime issues in PCI; document the rules; convert of AddressSpaceDispatch and RAMList - KVM: add kvm_exit reasons for aarch64 # gpg: Signature made Mon Feb 16 16:32:32 2015 GMT using RSA key ID 78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" # 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: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: (21 commits) Convert ram_list to RCU exec: convert ram_list to QLIST cosmetic changes preparing for the following patches exec: protect mru_block with RCU rcu: add g_free_rcu rcu: introduce RCU-enabled QLIST exec: RCUify AddressSpaceDispatch exec: make iotlb RCU-friendly exec: introduce cpu_reload_memory_map docs: clarify memory region lifecycle pci: split shpc_cleanup and shpc_free pcie: remove mmconfig memory leak and wrap mmconfig update with transaction memory: keep the owner of the AddressSpace alive until do_address_space_destroy rcu: run RCU callbacks under the BQL rcu: do not let RCU callbacks pile up indefinitely vhost-scsi: set the bootable value of channel/target/lun vhost-scsi: add a property for booting vhost-scsi: expose the TYPE_FW_PATH_PROVIDER interface vhost-scsi: add bootindex property qdev: support to get a device firmware path directly ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-02-23numa: Move NUMA declarations from sysemu.h to numa.hEduardo Habkost
Not all sysemu.h users need the NUMA declarations, and keeping them in a separate file makes it easier to see what are the interfaces provided by numa.c. Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2015-02-18PPC: Don't use legacy -usbdevice support for setting up boardMarkus Armbruster
It's tempting, because usbdevice_create() is so simple to use. But there's a lot of unwanted complexity behind the simple interface. Switch to usb_create_simple(). Cc: Alexander Graf <agraf@suse.de> Cc: qemu-ppc@nongnu.org Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Alexander Graf <agraf@suse.de> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-02-16exec: RCUify AddressSpaceDispatchPaolo Bonzini
Note that even after this patch, most callers of address_space_* functions must still be under the big QEMU lock, otherwise the memory region returned by address_space_translate can disappear as soon as address_space_translate returns. This will be fixed in the next part of this series. Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-02-10spapr_vio: Pair g_malloc() with g_free(), not free()Markus Armbruster
Spotted by Coverity with preview checker ALLOC_FREE_MISMATCH enabled and my "coverity: Model g_free() isn't necessarily free()" model patch applied. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-02-10fw_cfg: fix typos in comments: patch -> pathGonglei
Signed-off-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-01-07hw/ppc/mac_newworld: simplify usb controller creation logicMarcel Apfelbaum
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-01-07hw/ppc/spapr: simplify usb controller creation logicMarcel Apfelbaum
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-01-07hw/ppc/mac_newworld: QOMified mac99 machinesMarcel Apfelbaum
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-01-07hw/usb: simplified usb_enabledMarcel Apfelbaum
The argument is not longer used and the implementation uses now QOM instead of QemuOpts. Signed-off-by: Marcel Apfelbaum <marcel@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-01-07hw/ppc: modified the condition for usb controllers to be created for some ↵Marcel Apfelbaum
ppc machines Some ppc machines create a default usb controller based on a 'machine condition'. Until now the logic was: create the usb controller if: - the usb option was supplied in cli and value is true or - the usb option was absent and both set_defaults and the machine condition were true. Modified the logic to: Create the usb controller if: - the machine condition is true and defaults are enabled or - the usb option is supplied and true. The main for this is to simplify the usb_enabled method. Signed-off-by: Marcel Apfelbaum <marcel@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-01-07target-ppc: Cast ssize_t to size_t before printing with %zxPeter Maydell
The mingw32 compiler complains about trying to print variables of type ssize_t with the %z format string specifier. Since we're printing it as unsigned hex anyway, cast to size_t to silence the warning. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-01-07PPC: e500: Fix GPIO controller interrupt numberAmit Tomar
The GPIO controller lives at IRQ 47, not 43 on real hardware. This is a problem because IRQ 43 is occupied by the I2C controller which we want to implement next, so we'd have a conflict on that IRQ number. Move the GPIO controller to IRQ 47 where it belongs. Signed-off-by: Amit Singh Tomar <amit.tomar@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-01-07PPC: Fix crash on spapr_tce_table_finalize()David Gibson
spapr_tce_table_finalize() can SEGV if the object was not previously realized. In particular this can be triggered by running qemu-system-ppc -device spapr-tce-table,? The basic problem is that we have mismatched initialization versus finalization: spapr_tce_table_finalize() is attempting to undo things that are done in spapr_tce_table_realize(), not an instance_init function. Therefore, replace spapr_tce_table_finalize() with spapr_tce_table_unrealize(). Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Cc: qemu-stable@nongnu.org Signed-off-by: Alexander Graf <agraf@suse.de>
2015-01-07ppc: do not use get_clock_realtime()Paolo Bonzini
Use the external qemu-timer API instead. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-01-07spapr: Fix stale HTAB during live migration (TCG)Samuel Mendoza-Jonas
If a TCG guest reboots during a running migration HTAB entries are not marked dirty, and the destination boots with an invalid HTAB. When a reboot occurs, explicitly mark the current HTAB dirty after clearing it. Signed-off-by: Samuel Mendoza-Jonas <sam.mj@au1.ibm.com> Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-01-07spapr: Fix integer overflow during migration (TCG)Samuel Mendoza-Jonas
The n_valid and n_invalid fields are unsigned short integers but it is possible to have more than 65535 entries in a contiguous hunk, overflowing the field. This results in an incorrect HTAB being sent to the destination during migration. Signed-off-by: Samuel Mendoza-Jonas <sam.mj@au1.ibm.com> Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-01-07spapr: Fix stale HTAB during live migration (KVM)Samuel Mendoza-Jonas
If a guest reboots during a running migration, changes to the hash page table are not necessarily updated on the destination. Opening a new file descriptor to the HTAB forces the migration handler to resend the entire table. Signed-off-by: Samuel Mendoza-Jonas <sam.mj@au1.ibm.com> Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-01-07PPC: e500 pci host: Add support for ATMUsAlexander Graf
The e500 PCI controller has configurable windows that allow a guest OS to selectively map parts of the PCI bus space to CPU address space and to selectively map parts of the CPU address space for DMA requests into PCI visible address ranges. So far, we've simply assumed that this mapping is 1:1 and ignored it. However, the PCICSRBAR (CCSR mapped in PCI bus space) always has to live inside the first 32bits of address space. This means if we always treat all mappings as 1:1, this map will collide with our RAM map from the CPU's point of view. So this patch adds proper ATMU support which allows us to keep the PCICSRBAR below 32bits local to the PCI bus and have another, different window to PCI BARs at the upper end of address space. We leverage this on e500plat though, mpc8544ds stays virtually 1:1 like it was before, but now also goes via ATMU. With this patch, I can run guests with lots of RAM and not coincidently access MSI-X mappings while I really want to access RAM. Signed-off-by: Alexander Graf <agraf@suse.de>
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