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2017-04-26ppc/pnv: add a PnvICPState objectCédric Le Goater1-0/+12
This provides a new ICPState object for the PowerNV machine (POWER8). Access to the Interrupt Management area is done though a memory region. It contains the registers of the Interrupt Control Presenters of each thread which are used to accept, return, forward interrupts in the system. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-04-26ppc/xics: add a realize() handler to ICPStateClassCédric Le Goater1-0/+1
It will be used by derived classes in PowerNV for customization. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-04-26spapr: allocate the ICPState object from under sPAPRCPUCoreCédric Le Goater2-3/+1
Today, all the ICPs are created before the CPUs, stored in an array under the sPAPR machine and linked to the CPU when the core threads are realized. This modeling brings some complexity when a lookup in the array is required and it can be simplified by allocating the ICPs when the CPUs are. This is the purpose of this proposal which introduces a new 'icp_type' field under the machine and creates the ICP objects of the right type (KVM or not) before the PowerPCCPU object are. This change allows more cleanups : the removal of the icps array under the sPAPR machine and the removal of the xics_get_cpu_index_by_dt_id() helper. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-04-26ppc/xics: introduce an 'intc' backlink under PowerPCCPUCédric Le Goater1-1/+1
Today, the ICPState array of the sPAPR machine is indexed with 'cpu_index' of the CPUState. This numbering of CPUs is internal to QEMU and the guest only knows about what is exposed in the device tree, that is the 'cpu_dt_id'. This is why sPAPR uses the helper xics_get_cpu_index_by_dt_id() to do the mapping in a couple of places. To provide a more generic XICS layer, we need to abstract the IRQ 'server' number and remove any assumption made on its nature. It should not be used as a 'cpu_index' for lookups like xics_cpu_setup() and xics_cpu_destroy() do. To reach that goal, we choose to introduce a generic 'intc' backlink under PowerPCCPU, and let the machine core init routine do the ICPState lookup. The resulting object is passed on to xics_cpu_setup() which does the store under PowerPCCPU. The IRQ 'server' number in XICS is now generic. sPAPR uses 'cpu_dt_id' and PowerNV will use 'PIR' number. This also has the benefit of simplifying the sPAPR hcall routines which do not need to do any ICPState lookups anymore. Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-04-26spapr: Workaround for broken radix guestsSam Bobroff2-0/+4
For a little while around 4.9, Linux kernels that saw the radix bit in ibm,pa-features would attempt to set up the MMU as if they were a hypervisor, even if they were a guest, which would cause them to crash. Work around this by detecting pre-ISA 3.0 guests by their lack of that bit in option vector 1, and then removing the radix bit from ibm,pa-features. Note: This now requires regeneration of that node after CAS negotiation. Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com> [dwg: Fix style nits] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-04-26spapr: Enable ISA 3.0 MMU mode selection via CASSam Bobroff1-0/+5
Add the new node, /chosen/ibm,arch-vec-5-platform-support to the device tree. This allows the guest to determine which modes are supported by the hypervisor. Update the option vector processing in h_client_architecture_support() to handle the new MMU bits. This allows guests to request hash or radix mode and QEMU to create the guest's HPT at this time if it is necessary but hasn't yet been done. QEMU will terminate the guest if it requests an unavailable mode, as required by the architecture. Extend the ibm,pa-features node with the new ISA 3.0 values and set the radix bit if KVM supports radix mode. This probably won't be used directly by guests to determine the availability of radix mode (that is indicated by the new node added above) but the architecture requires that it be set when the hardware supports it. If QEMU is using KVM, and KVM is capable of running in radix mode, guests can be run in real-mode without allocating a HPT (because KVM will use a minimal RPT). So in this case, we avoid creating the HPT at reset time and later (during CAS) create it if it is necessary. ISA 3.0 guests will now begin to call h_register_process_table(), which has been added previously. Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com> [dwg: Strip some unneeded prefix from error messages] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-04-26target/ppc: Implement H_REGISTER_PROCESS_TABLE H_CALLSuraj Jitindar Singh1-0/+2
The H_REGISTER_PROCESS_TABLE H_CALL is used by a guest to indicate to the hypervisor where in memory its process table is and how translation should be performed using this process table. Provide the implementation of this H_CALL for a guest. We first check for invalid flags, then parse the flags to determine the operation, and then check the other parameters for valid values based on the operation (register new table/deregister table/maintain registration). The process table is then stored in the appropriate location and registered with the hypervisor (if running under KVM), and the LPCR_[UPRT/GTSE] bits are updated as required. Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com> Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com> [dwg: Correct missing prototype and uninitialized variable] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-04-26target/ppc: Add new H-CALL shells for in memory table translationSuraj Jitindar Singh1-0/+3
The use of the new in memory tables introduced in ISAv3.00 for translation, also referred to as process tables, requires the introduction of 3 new H-CALLs; H_REGISTER_PROCESS_TABLE, H_CLEAN_SLB, and H_INVALIDATE_PID. Add shells for each of these and register them as the hypercall handlers. Currently they all log an unimplemented hypercall and return H_FUNCTION. Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com> [dwg: Fix style nits] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-04-26spapr: Add ibm,processor-radix-AP-encodings to the device treeSam Bobroff1-0/+1
Use the new ioctl, KVM_PPC_GET_RMMU_INFO, to fetch radix MMU information from KVM and present the page encodings in the device tree under ibm,processor-radix-AP-encodings. This provides page size information to the guest which is necessary for it to use radix mode. Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com> [dwg: Compile fix for 32-bit targets, style nit fix] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-04-26ppc/spapr: QOM'ify sPAPRRTCStateCédric Le Goater2-6/+17
Also use an 'sPAPRRTCState' attribute under the sPAPR machine to hold the RTC object. Overall, these changes remove an unnecessary and implicit dependency on SysBus. Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-04-25Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into ↵Peter Maydell4-18/+120
staging # gpg: Signature made Tue 25 Apr 2017 12:22:03 BST # gpg: using RSA key 0xEF04965B398D6211 # gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@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: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211 * remotes/jasowang/tags/net-pull-request: COLO-compare: Optimize tcp compare trace event COLO-compare: Optimize tcp compare for option field slirp: add a fake NC-SI backend aspeed: add a FTGMAC100 nic net/ftgmac100: add a 'aspeed' property net: add FTGMAC100 support hw/net: add MII definitions colo-compare: Fix old packet check bug. Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-04-25slirp: add a fake NC-SI backendCédric Le Goater1-0/+1
NC-SI (Network Controller Sideband Interface) enables a BMC to manage a set of NICs on a system. This model takes the simplest approach and reverses the NC-SI packets to pretend a NIC is present and exercise the Linux driver. The NCSI header file <ncsi-pkt.h> comes from mainline Linux and was untabified. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Acked-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Signed-off-by: Jason Wang <jasowang@redhat.com>
2017-04-25aspeed: add a FTGMAC100 nicCédric Le Goater1-0/+2
There is a second NIC but we do not use it for the moment. We use the 'aspeed' property to tune the definition of the end of ring buffer bit for the Aspeed SoCs. Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Jason Wang <jasowang@redhat.com>
2017-04-25net/ftgmac100: add a 'aspeed' propertyCédric Le Goater1-0/+4
The Aspeed SoCs have a different definition of the end of the ring buffer bit. Add a property to specify which set of bits should be used by the NIC. Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Jason Wang <jasowang@redhat.com>
2017-04-25Merge remote-tracking branch 'remotes/cody/tags/block-pull-request' into stagingPeter Maydell1-0/+2
# gpg: Signature made Mon 24 Apr 2017 20:18:05 BST # gpg: using RSA key 0xBDBE7B27C0DE3057 # gpg: Good signature from "Jeffrey Cody <jcody@redhat.com>" # gpg: aka "Jeffrey Cody <jeff@codyprime.org>" # gpg: aka "Jeffrey Cody <codyprime@gmail.com>" # Primary key fingerprint: 9957 4B4D 3474 90E7 9D98 D624 BDBE 7B27 C0DE 3057 * remotes/cody/tags/block-pull-request: qemu-iotests: _cleanup_qemu must be called on exit block/rbd: Add support for reopen() block/rbd - update variable names to more apt names block: use bdrv_can_set_read_only() during reopen block: introduce bdrv_can_set_read_only() block: code movement block: honor BDRV_O_ALLOW_RDWR when clearing bs->read_only block: do not set BDS read_only if copy_on_read enabled block: add bdrv_set_read_only() helper function qemu-iotests: exclude vxhs from image creation via protocol block/vxhs.c: Add qemu-iotests for new block device type "vxhs" block/vxhs.c: Add support for a new block device type called "vxhs" Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-04-24block: introduce bdrv_can_set_read_only()Jeff Cody1-0/+1
Introduce check function for setting read_only flags. Will return < 0 on error, with appropriate Error value set. Does not alter any flags. Signed-off-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Message-id: e2bba34ac3bc76a0c42adc390413f358ae0566e8.1491597120.git.jcody@redhat.com
2017-04-24block: do not set BDS read_only if copy_on_read enabledJeff Cody1-1/+1
A few block drivers will set the BDS read_only flag from their .bdrv_open() function. This means the bs->read_only flag could be set after we enable copy_on_read, as the BDRV_O_COPY_ON_READ flag check occurs prior to the call to bdrv->bdrv_open(). This adds an error return to bdrv_set_read_only(), and an error will be return if we try to set the BDS to read_only while copy_on_read is enabled. This patch also changes the behavior of vvfat. Before, vvfat could override the drive 'readonly' flag with its own, internal 'rw' flag. For instance, this -drive parameter would result in a writable image: "-drive format=vvfat,dir=/tmp/vvfat,rw,if=virtio,readonly=on" This is not correct. Now, attempting to use the above -drive parameter will result in an error (i.e., 'rw' is incompatible with 'readonly=on'). Signed-off-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Message-id: 0c5b4c1cc2c651471b131f21376dfd5ea24d2196.1491597120.git.jcody@redhat.com
2017-04-24block: add bdrv_set_read_only() helper functionJeff Cody1-0/+1
We have a helper wrapper for checking for the BDS read_only flag, add a helper wrapper to set the read_only flag as well. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Jeff Cody <jcody@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Message-id: 9b18972d05f5fa2ac16c014f0af98d680553048d.1491597120.git.jcody@redhat.com
2017-04-24Merge remote-tracking branch 'remotes/kraxel/tags/pull-vga-20170424-1' into ↵Peter Maydell5-0/+59
staging fix display update races, part one. add xres + yres properties to qxl and virtio. misc fixes and cleanups. # gpg: Signature made Mon 24 Apr 2017 13:14:49 BST # gpg: using RSA key 0x4CB6D8EED3E87138 # 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>" # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/pull-vga-20170424-1: virtio-gpu: add xres and yres properties qxl: add xres and yres properties vmsvga: fix vmsvga_update_display g364fb: make display updates thread safe exynos: make display updates thread safe framebuffer: make display updates thread safe vga: make display updates thread safe. vga: add vga_scanline_invalidated helper memory: add support getting and using a dirty bitmap copy. bitmap: add bitmap_copy_and_clear_atomic virtio-gpu: replace PIXMAN_* by PIXMAN_BE_* console: add same displaychangelistener registration pre-condition console: add same surface replace pre-condition Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-04-24Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2017-04-24' ↵Peter Maydell5-17/+20
into staging Error reporting patches for 2017-04-24 # gpg: Signature made Mon 24 Apr 2017 08:16:34 BST # gpg: using RSA key 0x3870B400EB918653 # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" # Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653 * remotes/armbru/tags/pull-error-2017-04-24: error: Apply error_propagate_null.cocci again qga: Make errp the last parameter of qga_vss_fsfreeze migration: Make errp the last parameter of local functions scsi: Make errp the last parameter of virtio_scsi_common_realize fdc: Make errp the last parameter of fdctrl_connect_drives nfs: Make errp the last parameter of nfs_client_open block: Make errp the last parameter of commit_active_start mirror: Make errp the last parameter of mirror_start_job crypto: Make errp the last parameter of functions block: Make errp the last parameter of bdrv_img_create socket: Make errp the last parameter of vsock_connect_saddr socket: Make errp the last parameter of unix_connect_saddr socket: Make errp the last parameter of inet_connect_saddr socket: Make errp the last parameter of socket_connect util/error: Fix leak in error_vprepend() Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-04-24sm501: Add emulation of chip connected via PCIBALATON Zoltan1-0/+3
Only the display controller part is created automatically on PCI Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Aurelien Jarno <aurelien@aurel32.net> Message-id: 647d292c6f5abba8b2a614687229949b5dcb864e.1492787889.git.balaton@eik.bme.hu Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-04-24sm501: QOMifyBALATON Zoltan1-5/+0
Adding vmstate saving is not in this patch because the state structure will be changed in further patches, then another patch will add vmstate descriptor after those changes. Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Aurelien Jarno <aurelien@aurel32.net> Message-id: a32b7fc981a20205f96d530d8e958f12ace1104c.1492787889.git.balaton@eik.bme.hu Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-04-24virtio-gpu: add xres and yres propertiesGerd Hoffmann1-0/+2
So the default resolution is configurable. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-id: 20170421092214.8176-1-kraxel@redhat.com
2017-04-24memory: add support getting and using a dirty bitmap copy.Gerd Hoffmann3-0/+55
This patch adds support for getting and using a local copy of the dirty bitmap. memory_region_snapshot_and_clear_dirty() will create a snapshot of the dirty bitmap for the specified range, clear the dirty bitmap and return the copy. The returned bitmap can be a bit larger than requested, the range is expanded so the code can copy unsigned longs from the bitmap and avoid atomic bit update operations. memory_region_snapshot_get_dirty() will return the dirty status of pages, pretty much like memory_region_get_dirty(), but using the copy returned by memory_region_copy_and_clear_dirty(). Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 20170421091632.30900-3-kraxel@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-04-24bitmap: add bitmap_copy_and_clear_atomicGerd Hoffmann1-0/+2
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 20170421091632.30900-2-kraxel@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-04-24scsi: Make errp the last parameter of virtio_scsi_common_realizeFam Zheng1-3/+5
Signed-off-by: Fam Zheng <famz@redhat.com> Message-Id: <20170421122710.15373-12-famz@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-04-24block: Make errp the last parameter of commit_active_startFam Zheng1-3/+3
Signed-off-by: Fam Zheng <famz@redhat.com> Message-Id: <20170421122710.15373-9-famz@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-04-24crypto: Make errp the last parameter of functionsFam Zheng1-6/+6
Move opaque to 2nd instead of the 2nd to last, so that compilers help check with the conversion. Signed-off-by: Fam Zheng <famz@redhat.com> Message-Id: <20170421122710.15373-7-famz@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> [Commit message typo corrected] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-04-24block: Make errp the last parameter of bdrv_img_createFam Zheng1-1/+1
Signed-off-by: Fam Zheng <famz@redhat.com> Message-Id: <20170421122710.15373-6-famz@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-04-24socket: Make errp the last parameter of inet_connect_saddrFam Zheng1-2/+3
Signed-off-by: Fam Zheng <famz@redhat.com> Message-Id: <20170421122710.15373-3-famz@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-04-24socket: Make errp the last parameter of socket_connectFam Zheng1-2/+2
Signed-off-by: Fam Zheng <famz@redhat.com> Message-Id: <20170421122710.15373-2-famz@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-04-24net: add FTGMAC100 supportCédric Le Goater1-0/+60
The FTGMAC100 device is an Ethernet controller with DMA function that can be found on Aspeed SoCs (which include NCSI). It is fully compliant with IEEE 802.3 specification for 10/100 Mbps Ethernet and IEEE 802.3z specification for 1000 Mbps Ethernet and includes Reduced Media Independent Interface (RMII) and Reduced Gigabit Media Independent Interface (RGMII) interfaces. It adopts an AHB bus interface and integrates a link list DMA engine with direct M-Bus accesses for transmitting and receiving packets. It has independent TX/RX fifos, supports half and full duplex (1000 Mbps mode only supports full duplex), flow control for full duplex and backpressure for half duplex. The FTGMAC100 also implements IP, TCP, UDP checksum offloads and supports IEEE 802.1Q VLAN tag insertion and removal. It offers high-priority transmit queue for QoS and CoS applications This model is backed with a RealTek 8211E PHY which is the chip found on the AST2500 EVB. It is complete enough to satisfy two different Linux drivers and a U-Boot driver. Not supported features are : - IEEE 802.1Q VLAN - High Priority Transmit Queue - Wake-On-LAN functions The code is based on the Coldfire Fast Ethernet Controller model. Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Jason Wang <jasowang@redhat.com>
2017-04-24hw/net: add MII definitionsCédric Le Goater1-18/+53
This adds comments on the Basic mode control and status registers bit definitions. It also adds a couple of bits for 1000BASE-T and the RealTek 8211E PHY for the FTGMAC100 model to use. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Jason Wang <jasowang@redhat.com>
2017-04-21Merge remote-tracking branch 'remotes/juanquintela/tags/migration/20170421' ↵Peter Maydell6-40/+19
into staging migration/next for 20170421 # gpg: Signature made Fri 21 Apr 2017 11:28:13 BST # gpg: using RSA key 0xF487EF185872D723 # gpg: Good signature from "Juan Quintela <quintela@redhat.com>" # gpg: aka "Juan Quintela <quintela@trasno.org>" # Primary key fingerprint: 1899 FF8E DEBF 58CC EE03 4B82 F487 EF18 5872 D723 * remotes/juanquintela/tags/migration/20170421: (65 commits) hmp: info migrate_parameters format tunes hmp: info migrate_capability format tunes migration: rename max_size to threshold_size migration: set current_active_state once virtio-rng: stop virtqueue while the CPU is stopped migration: don't close a file descriptor while it can be in use ram: Remove migration_bitmap_extend() migration: Disable hotplug/unplug during migration qdev: Move qdev_unplug() to qdev-monitor.c qdev: Export qdev_hot_removed qdev: qdev_hotplug is really a bool migration: Remove MigrationState parameter from migration_is_idle() ram: Use RAMBitmap type for coherence ram: rename last_ram_offset() last_ram_pages() ram: Use ramblock and page offset instead of absolute offset ram: Change offset field in PageSearchStatus to page ram: Remember last_page instead of last_offset ram: Use page number instead of an address for the bitmap operations ram: reorganize last_sent_block ram: ram_discard_range() don't use the mis parameter ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-04-21Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20170421' into stagingPeter Maydell2-3/+19
The first batch of s390x changes for 2.10: - the new compat machine - several cleanups and optimizations - introspection for css ids # gpg: Signature made Fri 21 Apr 2017 08:36:25 BST # gpg: using RSA key 0xDECF6B93C6F02FAF # gpg: Good signature from "Cornelia Huck <huckc@linux.vnet.ibm.com>" # gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>" # Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0 18CE DECF 6B93 C6F0 2FAF * remotes/cohuck/tags/s390x-20170421: s390x: Drop useless casts s390x: register I/O adapters per ISC during init s390x/flic: cache flic in s390_get_flic s390x: initialize flic before I/O subsystems s390x: use enum for adapter type and standardize its naming s390x/css: consolidate the devno property for ccw devices s390x/css: provide introspection for virtual subchannel and device busid s390x/css: introduce read-only property type for device ids s390x/pci: make printf always compile in debug output s390x/kvm: make printf always compile in debug output s390x: introduce 2.10 compat machine Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-04-21Merge remote-tracking branch 'remotes/armbru/tags/pull-qdev-2017-04-21' into ↵Peter Maydell1-13/+0
staging qdev patches for 2017-04-21 # gpg: Signature made Fri 21 Apr 2017 06:37:19 BST # gpg: using RSA key 0x3870B400EB918653 # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" # Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653 * remotes/armbru/tags/pull-qdev-2017-04-21: qdev: remove cannot_destroy_with_object_finalize_yet versatile: remove cannot_destroy_with_object_finalize_yet ppc: remove cannot_destroy_with_object_finalize_yet arm: remove remaining cannot_destroy_with_object_finalize_yet Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-04-21migration: rename max_size to threshold_sizePeter Xu1-1/+2
In migration codes (especially in migration_thread()), max_size is used in many place for the threshold value that we will start to do the final flush and jump to the next stage to dump the whole rest things to destination. However its name is confusing to first readers. Let's rename it to "threshold_size" when proper and add a comment for it. No functional change is made. CC: Juan Quintela <quintela@redhat.com> CC: "Dr. David Alan Gilbert" <dgilbert@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: "Dr. David Alan Gilbert" <dgilbert@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-04-21virtio-rng: stop virtqueue while the CPU is stoppedLaurent Vivier1-0/+2
If we modify the virtio-rng virqueue while the vmstate is already migrated we can have some inconsistencies between the virtqueue state and the memory content. To avoid this, stop the virtqueue while the CPU is stopped. Signed-off-by: Laurent Vivier <lvivier@redhat.com> Reviewed-by: Amit Shah <amit@kernel.org> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-04-21ram: Remove migration_bitmap_extend()Juan Quintela1-2/+0
We have disabled memory hotplug, so we don't need to handle migration_bitamp there. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
2017-04-21qdev: Export qdev_hot_removedJuan Quintela1-0/+1
I need to move qdev_unplug to qdev-monitor in the following patch, and it needs access to this variable. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
2017-04-21qdev: qdev_hotplug is really a boolJuan Quintela1-1/+1
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-04-21migration: Remove MigrationState parameter from migration_is_idle()Juan Quintela1-1/+1
Only user don't have a MigrationState handly. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: rename last_ram_offset() last_ram_pages()Juan Quintela1-1/+1
We always use it as pages anyways. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: ram_discard_range() don't use the mis parameterJuan Quintela1-2/+1
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Pass RAMBlock to bitmap_syncJuan Quintela1-0/+2
We change the meaning of start to be the offset from the beggining of the block. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: Rename qemu_target_page_bits() to qemu_target_page_size()Juan Quintela1-1/+1
It was used as a size in all cases except one. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21migration: Remove MigrationState from migration_in_postcopyJuan Quintela1-1/+1
We need to call for the migrate_get_current() in more that half of the uses, so call that inside. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move postcopy_requests into RAMStateJuan Quintela1-4/+2
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move dirty_pages_rate to RAMStateJuan Quintela1-1/+1
Treat it like the rest of ram stats counters. Export its value the same way. As an added bonus, no more MigrationState used in migration_bitmap_sync(); Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> -- Again, dave was the one reviewing it
2017-04-21ram: Remove dirty_bytes_rateJuan Quintela1-1/+0
It can be recalculated from dirty_pages_rate. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> -- Dave was the one that reviewed it O:-)
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