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2022-01-18ppc/pnv: Add a 'rp_model' class attribute for the PHB4 PECCédric Le Goater1-0/+1
PHB5 will introduce its own root port model. Prepare ground for it. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20220117122753.1655504-3-clg@kaod.org> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-18ppc/pnv: remove PnvPhb4PecStack objectDaniel Henrique Barboza1-17/+0
All the complexity that was scattered between PnvPhb4PecStack and PnvPHB4 are now centered in the PnvPHB4 device. PnvPhb4PecStack does not serve any purpose in the current code base. Reviewed-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20220114180719.52117-8-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-18ppc/pnv: make PECs create and realize PHB4sDaniel Henrique Barboza1-5/+3
This patch changes the design of the PEC device to create and realize PHB4s instead of PecStacks. After all the recent changes, PHB4s now contain all the information needed for their proper functioning, not relying on PecStack in any capacity. All changes are being made in a single patch to avoid renaming parts of the PecState and leaving the code in a strange way. E.g. rename PecClass->num_stacks to num_phbs, which would then read a pnv_pec_num_stacks[] array. To avoid mixing the old and new design more than necessary it's clearer to do these changes in a single step. The name changes made are: - in PnvPhb4PecState: * rename 'num_stacks' to 'num_phbs' * remove the pec->stacks[] array. Current code relies on the pec->stacks[] obj acting as a simple container, without ever accessing pec->stacks[] for any other purpose. Instead of converting this into a pec->phbs[] array, remove it - in PnvPhb4PecClass, rename *num_stacks to *num_phbs; - pnv_pec_num_stacks[] is renamed to pnv_pec_num_phbs[]. The logical changes: - pnv_pec_default_phb_realize(): * init and set the properties of the PnvPHB4 qdev * do not use stack->phb anymore; - pnv_pec_realize(): * use the new default_phb_realize() to init/realize each PHB if running with defaults; - pnv_pec_instance_init(): removed since we're creating the PHBs during pec_realize(); - pnv_phb4_get_stack(): * renamed to pnv_phb4_get_pec() and returns a PnvPhb4PecState*; - pnv_phb4_realize(): use 'phb->pec' instead of 'stack'. This design change shouldn't caused any behavioral change in the runtime of the machine. Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20220114180719.52117-7-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-18ppc/pnv: remove PnvPhb4PecStack::stack_noDaniel Henrique Barboza1-3/+0
pnv_pec_default_phb_realize() stopped using it after the previous patch and no one else is using it. Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20220114180719.52117-6-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-18ppc/pnv: remove stack pointer from PnvPHB4Daniel Henrique Barboza1-2/+0
This pointer was being used for two reasons: pnv_phb4_update_regions() was using it to access the PHB and phb4_realize() was using it as a way to determine if the PHB was user created. We can determine if the PHB is user created via phb->pec, introduced in the previous patch, and pnv_phb4_update_regions() is no longer using stack->phb. Remove the pointer from the PnvPHB4 device. Reviewed-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20220114180719.52117-4-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-18ppc/pnv: introduce PnvPHB4 'pec' propertyDaniel Henrique Barboza1-0/+3
This property will track the owner PEC of this PHB. For now it's redundant since we can retrieve the PEC via phb->stack->pec but it will not be redundant when we get rid of the stack device. Reviewed-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20220114180719.52117-2-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-18ppc/pnv: move phb_regs_mr to PnvPHB4Daniel Henrique Barboza1-3/+3
After recent changes, this MemoryRegion can be migrated to PnvPHB4 without too much trouble. Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20220113192952.911188-11-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-18ppc/pnv: move nest_regs_mr to PnvPHB4Daniel Henrique Barboza1-2/+1
We're now able to cleanly move nest_regs_mr to the PnvPHB4 device. One thing of notice here is the need to use a phb->stack->pec pointer because pnv_pec_stk_nest_xscom_write requires a PEC object. Another thing that can be noticed in the use of 'stack->stack_no' that still remains throughout the XSCOM code. After moving all MemoryRegions to the PnvPHB4 object, this illustrates what is the remaining role of the stack: provide a PEC pointer and the 'stack_no' information. If we can provide these in the PnvPHB4 object instead (spoiler: we can, and we will), the PnvPhb4PecStack device will be deprecated and can be removed. Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20220113192952.911188-10-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-18ppc/pnv: move nest_regs[] to PnvPHB4Daniel Henrique Barboza1-3/+4
stack->nest_regs[] is used in several XSCOM functions and it's one of the main culprits of having to deal with stack->phb pointers around the code. Sure, we're having to add 2 extra stack->phb pointers to ease nest_regs[] migration to PnvPHB4. They'll be dealt with shortly. Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20220113192952.911188-8-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-18ppc/pnv: move mmbar0/mmbar1 and friends to PnvPHB4Daniel Henrique Barboza1-8/+6
These 2 MemoryRegions, together with mmio(0|1)_base and mmio(0|1)_size variables, are used together in the same functions. We're better of moving them all in a single step. Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20220113192952.911188-7-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-18ppc/pnv: move intbar to PnvPHB4Daniel Henrique Barboza1-1/+1
This MemoryRegion can also be moved in a single step. Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20220113192952.911188-5-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-18ppc/pnv: move phbbar to PnvPHB4Daniel Henrique Barboza1-1/+3
This MemoryRegion is simple enough to be moved in a single step. A 'stack->phb' pointer had to be introduced in pnv_pec_stk_update_map() because this function isn't ready to be fully converted to use a PnvPHB4 pointer instead. This will be dealt with in the following patches. Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20220113192952.911188-4-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-18ppc/pnv: move PCI registers to PnvPHB4Daniel Henrique Barboza1-5/+5
Previous patch changed pnv_pec_stk_pci_xscom_read() and pnv_pec_stk_pci_xscom_write() to use a PnvPHB4 opaque, making it easier to move both pci_regs[] and the pci_regs_mr MemoryRegion to the PnvHB4 object. Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20220113192952.911188-3-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-14Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into stagingPeter Maydell3-10/+5
Block layer patches - qemu-storage-daemon: Add vhost-user-blk help - block-backend: Fix use-after-free for BDS pointers after aio_poll() - qemu-img: Fix sparseness of output image with unaligned ranges - vvfat: Fix crashes in read-write mode - Fix device deletion events with -device JSON syntax - Code cleanups # gpg: Signature made Fri 14 Jan 2022 13:50:16 GMT # gpg: using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6 # gpg: issuer "kwolf@redhat.com" # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full] # Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6 * remotes/kevin/tags/for-upstream: iotests/testrunner.py: refactor test_field_width block: drop BLK_PERM_GRAPH_MOD qemu-img: make is_allocated_sectors() more efficient iotests: Test qemu-img convert of zeroed data cluster vvfat: Fix vvfat_write() for writes before the root directory vvfat: Fix size of temporary qcow file iotests/308: Fix for CAP_DAC_OVERRIDE iotests/stream-error-on-reset: New test block-backend: prevent dangling BDS pointers across aio_poll() qapi/block: Restrict vhost-user-blk to CONFIG_VHOST_USER_BLK_SERVER qemu-storage-daemon: Add vhost-user-blk help docs: Correct 'vhost-user-blk' spelling softmmu: fix device deletion events with -device JSON syntax include/sysemu/blockdev.h: remove drive_get_max_devs include/sysemu/blockdev.h: remove drive_mark_claimed_by_board and inline drive_def block_int: make bdrv_backing_overridden static Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-01-14Merge remote-tracking branch ↵Peter Maydell2-7/+3
'remotes/kraxel/tags/kraxel-20220114-pull-request' into staging - bugfixes for ui, usb, audio, display - change default display resolution - add horizontal scrolling support # gpg: Signature made Fri 14 Jan 2022 06:52:53 GMT # gpg: using RSA key A0328CFFB93A17A79901FE7D4CB6D8EED3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full] # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" [full] # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full] # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/kraxel-20220114-pull-request: ui/input-legacy: pass horizontal scroll information ui/sdl2: pass horizontal scroll information to the device code ui/gtk: pass horizontal scroll information to the device code ui/cocoa: pass horizontal scroll information to the device code ps2: Initial horizontal scroll support edid: Added support for 4k@60 Hz monitor edid: set default resolution to 1280x800 (WXGA) hw/mips/jazz: Inline vga_mmio_init() and remove it hw/display/vga-mmio: QOM'ify vga_mmio_init() as TYPE_VGA_MMIO hw/display/vga-mmio: Inline vga_mm_init() hw/display: Rename VGA_ISA_MM -> VGA_MMIO uas: add missing return ui: fix gtk clipboard clear assertion ui/dbus: fix buffer-overflow detected by ASAN hw/audio/intel-hda: fix stream reset dsoundaudio: fix crackling audio recordings jackaudio: use ifdefs to hide unavailable functions ui/vnc.c: Fixed a deadlock bug. usb: allow max 8192 bytes for desc hw/usb/dev-wacom: add missing HID descriptor Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-01-14block: drop BLK_PERM_GRAPH_MODVladimir Sementsov-Ogievskiy1-4/+5
First, this permission never protected a node from being changed, as generic child-replacing functions don't check it. Second, it's a strange thing: it presents a permission of parent node to change its child. But generally, children are replaced by different mechanisms, like jobs or qmp commands, not by nodes. Graph-mod permission is hard to understand. All other permissions describe operations which done by parent node on its child: read, write, resize. Graph modification operations are something completely different. The only place where BLK_PERM_GRAPH_MOD is used as "perm" (not shared perm) is mirror_start_job, for s->target. Still modern code should use bdrv_freeze_backing_chain() to protect from graph modification, if we don't do it somewhere it may be considered as a bug. So, it's a bit risky to drop GRAPH_MOD, and analyzing of possible loss of protection is hard. But one day we should do it, let's do it now. One more bit of information is that locking the corresponding byte in file-posix doesn't make sense at all. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20210902093754.2352-1-vsementsov@virtuozzo.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-01-14include/sysemu/blockdev.h: remove drive_get_max_devsEmanuele Giuseppe Esposito1-1/+0
Remove drive_get_max_devs, as it is not used by anyone. Last use was removed in commit 8f2d75e81d5 ("hw: Drop superfluous special checks for orphaned -drive"). Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20211215121140.456939-4-eesposit@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-01-14include/sysemu/blockdev.h: remove drive_mark_claimed_by_board and inline ↵Emanuele Giuseppe Esposito1-2/+0
drive_def drive_def is only a particular use case of qemu_opts_parse_noisily, so it can be inlined. Also remove drive_mark_claimed_by_board, as it is only defined but not implemented (nor used) anywhere. Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com> Message-Id: <20211215121140.456939-3-eesposit@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-01-14block_int: make bdrv_backing_overridden staticEmanuele Giuseppe Esposito1-3/+0
bdrv_backing_overridden is only used in block.c, so there is no need to leave it in block_int.h Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20211215121140.456939-2-eesposit@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-01-14Merge remote-tracking branch ↵Peter Maydell3-5/+6
'remotes/stefanha-gitlab/tags/block-pull-request' into staging Pull request # gpg: Signature made Wed 12 Jan 2022 17:13:54 GMT # gpg: using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full] # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" [full] # Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * remotes/stefanha-gitlab/tags/block-pull-request: virtio: unify dataplane and non-dataplane ->handle_output() virtio: use ->handle_output() instead of ->handle_aio_output() virtio-scsi: prepare virtio_scsi_handle_cmd for dataplane virtio-blk: drop unused virtio_blk_handle_vq() return value virtio: get rid of VirtIOHandleAIOOutput aio-posix: split poll check from ready handler Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-01-13edid: set default resolution to 1280x800 (WXGA)Daniel P. Berrangé1-2/+2
Currently QEMU defaults to a resolution of 1024x768 when exposing EDID info to the guest OS. The EDID default info is important as this will influence what resolution many guest OS will configure the screen with on boot. It can also potentially influence what resolution the firmware will configure the screen with, though until very recently EDK2 would not handle EDID info. One important thing to bear in mind is that the default graphics card driver provided by Windows will leave the display set to whatever resolution was enabled by the firmware on boot. Even if sufficient VRAM is available, the resolution can't be changed without installing new drivers. IOW, the default resolution choice is quite important for usability of Windows. Modern real world monitor hardware for desktop/laptop has supported resolutions higher than 1024x768 for a long time now, perhaps as long as 15+ years. There are quite a wide variety of native resolutions in use today, however, and in wide screen form factors the height may not be all that tall. None the less, it is considered that there is scope for making the QEMU default resolution slightly larger. In considering what possible new default could be suitable, choices considered were 1280x720 (720p), 1280x800 (WXGA) and 1280x1024 (SXGA). In many ways, vertical space is the most important, and so 720p was discarded due to loosing vertical space, despite being 25% wider. The SXGA resolution would be good, but when taking into account window titlebars/toolbars and window manager desktop UI, this might be a little too tall for some users to fit the guest on their physical montior. This patch thus suggests a modest change to 1280x800 (WXGA). This only consumes 1 MB per colour channel, allowing double buffered framebuffer in 8 MB of VRAM. Width wise this is 25% larger than QEMU's current default, but height wise this only adds 5%, so the difference isn't massive on the QEMU side. Overall there doesn't appear to be a compelling reason to stick with 1024x768 resolution. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Message-Id: <20211129140508.1745130-1-berrange@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-01-13hw/mips/jazz: Inline vga_mmio_init() and remove itPhilippe Mathieu-Daudé1-5/+0
vga_mmio_init() is used only one time and not very helpful, inline and remove it. Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-Id: <20211206224528.563588-5-f4bug@amsat.org> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-01-13hw/display/vga-mmio: QOM'ify vga_mmio_init() as TYPE_VGA_MMIOPhilippe Mathieu-Daudé1-0/+2
Introduce TYPE_VGA_MMIO, a sysbus device. While there is no change in the vga_mmio_init() interface, this is a migration compatibility break of the MIPS Acer Pica 61 Jazz machine (pica61). Suggested-by: Thomas Huth <thuth@redhat.com> Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-Id: <20211206224528.563588-4-f4bug@amsat.org> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-01-13hw/display: Rename VGA_ISA_MM -> VGA_MMIOPhilippe Mathieu-Daudé1-3/+2
There is no ISA bus part in the MMIO VGA device, so rename: * hw/display/vga-isa-mm.c -> hw/display/vga-mmio.c * CONFIG_VGA_ISA_MM -> CONFIG_VGA_MMIO * ISAVGAMMState -> VGAMmioState * isa_vga_mm_init() -> vga_mmio_init() Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20211206224528.563588-2-f4bug@amsat.org> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-01-12virtio: unify dataplane and non-dataplane ->handle_output()Stefan Hajnoczi1-2/+2
Now that virtio-blk and virtio-scsi are ready, get rid of the handle_aio_output() callback. It's no longer needed. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Message-id: 20211207132336.36627-7-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-01-12virtio-blk: drop unused virtio_blk_handle_vq() return valueStefan Hajnoczi1-1/+1
The return value of virtio_blk_handle_vq() is no longer used. Get rid of it. This is a step towards unifying the dataplane and non-dataplane virtqueue handler functions. Prepare virtio_blk_handle_output() to be used by both dataplane and non-dataplane by making the condition for starting ioeventfd more specific. This way it won't trigger when dataplane has already been started. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Message-id: 20211207132336.36627-4-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-01-12virtio: get rid of VirtIOHandleAIOOutputStefan Hajnoczi1-2/+1
The virtqueue host notifier API virtio_queue_aio_set_host_notifier_handler() polls the virtqueue for new buffers. AioContext previously required a bool progress return value indicating whether an event was handled or not. This is no longer necessary because the AioContext polling API has been split into a poll check function and an event handler function. The event handler is only run when we know there is work to do, so it doesn't return bool. The VirtIOHandleAIOOutput function signature is now the same as VirtIOHandleOutput. Get rid of the bool return value. Further simplifications will be made for virtio-blk and virtio-scsi in the next patch. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Message-id: 20211207132336.36627-3-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-01-12aio-posix: split poll check from ready handlerStefan Hajnoczi1-1/+3
Adaptive polling measures the execution time of the polling check plus handlers called when a polled event becomes ready. Handlers can take a significant amount of time, making it look like polling was running for a long time when in fact the event handler was running for a long time. For example, on Linux the io_submit(2) syscall invoked when a virtio-blk device's virtqueue becomes ready can take 10s of microseconds. This can exceed the default polling interval (32 microseconds) and cause adaptive polling to stop polling. By excluding the handler's execution time from the polling check we make the adaptive polling calculation more accurate. As a result, the event loop now stays in polling mode where previously it would have fallen back to file descriptor monitoring. The following data was collected with virtio-blk num-queues=2 event_idx=off using an IOThread. Before: 168k IOPS, IOThread syscalls: 9837.115 ( 0.020 ms): IO iothread1/620155 io_submit(ctx_id: 140512552468480, nr: 16, iocbpp: 0x7fcb9f937db0) = 16 9837.158 ( 0.002 ms): IO iothread1/620155 write(fd: 103, buf: 0x556a2ef71b88, count: 8) = 8 9837.161 ( 0.001 ms): IO iothread1/620155 write(fd: 104, buf: 0x556a2ef71b88, count: 8) = 8 9837.163 ( 0.001 ms): IO iothread1/620155 ppoll(ufds: 0x7fcb90002800, nfds: 4, tsp: 0x7fcb9f1342d0, sigsetsize: 8) = 3 9837.164 ( 0.001 ms): IO iothread1/620155 read(fd: 107, buf: 0x7fcb9f939cc0, count: 512) = 8 9837.174 ( 0.001 ms): IO iothread1/620155 read(fd: 105, buf: 0x7fcb9f939cc0, count: 512) = 8 9837.176 ( 0.001 ms): IO iothread1/620155 read(fd: 106, buf: 0x7fcb9f939cc0, count: 512) = 8 9837.209 ( 0.035 ms): IO iothread1/620155 io_submit(ctx_id: 140512552468480, nr: 32, iocbpp: 0x7fca7d0cebe0) = 32 174k IOPS (+3.6%), IOThread syscalls: 9809.566 ( 0.036 ms): IO iothread1/623061 io_submit(ctx_id: 140539805028352, nr: 32, iocbpp: 0x7fd0cdd62be0) = 32 9809.625 ( 0.001 ms): IO iothread1/623061 write(fd: 103, buf: 0x5647cfba5f58, count: 8) = 8 9809.627 ( 0.002 ms): IO iothread1/623061 write(fd: 104, buf: 0x5647cfba5f58, count: 8) = 8 9809.663 ( 0.036 ms): IO iothread1/623061 io_submit(ctx_id: 140539805028352, nr: 32, iocbpp: 0x7fd0d0388b50) = 32 Notice that ppoll(2) and eventfd read(2) syscalls are eliminated because the IOThread stays in polling mode instead of falling back to file descriptor monitoring. As usual, polling is not implemented on Windows so this patch ignores the new io_poll_read() callback in aio-win32.c. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Message-id: 20211207132336.36627-2-stefanha@redhat.com [Fixed up aio_set_event_notifier() calls in tests/unit/test-fdmon-epoll.c added after this series was queued. --Stefan] Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-01-12ppc/pnv: turn pnv_phb4_update_regions() into staticDaniel Henrique Barboza1-1/+0
Its only callers are inside pnv_phb4.c. Reviewed-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20220111131027.599784-6-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-12ppc/pnv: turn 'phb' into a pointer in struct PnvPhb4PecStackDaniel Henrique Barboza1-2/+5
At this moment, stack->phb is the plain PnvPHB4 device itself instead of a pointer to the device. This will present a problem when adding user creatable devices because we can't deal with this struct and the realize() callback from the user creatable device. We can't get rid of this attribute, similar to what we did when enabling pnv-phb3 user creatable devices, because pnv_phb4_update_regions() needs to access stack->phb to do its job. This function is called twice in pnv_pec_stk_update_map(), which is one of the nested xscom write callbacks (via pnv_pec_stk_nest_xscom_write()). In fact, pnv_pec_stk_update_map() code comment is explicit about how the order of the unmap/map operations relates with the PHB subregions. All of this indicates that this code is tied together in a way that we either go on a crusade, featuring lots of refactories and redesign and considerable pain, to decouple stack and phb mapping, or we allow stack update_map operations to access the associated PHB as it is today even after introducing pnv-phb4 user devices. This patch chooses the latter. Instead of getting rid of stack->phb, turn it into a PHB pointer. This will allow us to assign an user created PHB to an existing stack later. In this process, pnv_pec_stk_instance_init() is removed because stack->phb is being initialized in stk_realize() instead. Reviewed-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20220111131027.599784-4-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-12pnv_phb4_pec.c: move pnv_pec_phb_offset() to pnv_phb4.cDaniel Henrique Barboza1-0/+2
The logic inside pnv_pec_phb_offset() will be useful in the next patch to determine the stack that should contain a PHB4 device. Move the function to pnv_phb4.c and make it public since there's no pnv_phb4_pec.h header. While we're at it, add 'stack_index' as a parameter and make the function return 'phb-id' directly. And rename it to pnv_phb4_pec_get_phb_id() to be even clearer about the function intent. Reviewed-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20220110143346.455901-3-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-12pnv_phb4.c: change TYPE_PNV_PHB4_ROOT_BUS nameDaniel Henrique Barboza1-1/+1
Similar to what was happening with pnv-phb3 buses, TYPE_PNV_PHB4_ROOT_BUS set to "pnv-phb4-root-bus" is a bit too long for a default root bus name. The usual default name for theses buses in QEMU are 'pcie', but we want to make a distinction between pnv-phb4 buses and other PCIE buses, at least as far as default name goes, because not all PCIE devices are attachable to a pnv-phb4 root-bus type. Changing the default to 'pnv-phb4-root' allow us to have a shorter name while making this bus distinct, and the user can always set its own bus naming via the "id" attribute anyway. This is the 'info qtree' output after this change, using a powernv9 domain with 2 sockets and default settings enabled: qemu-system-ppc64 -m 4G -machine powernv9,accel=tcg \ -smp 2,sockets=2,cores=1,threads=1 dev: pnv-phb4, id "" index = 5 (0x5) chip-id = 1 (0x1) version = 704374636546 (0xa400000002) device-id = 1217 (0x4c1) x-config-reg-migration-enabled = true bypass-iommu = false bus: pnv-phb4-root.11 type pnv-phb4-root dev: pnv-phb4-root-port, id "" (...) dev: pnv-phb4, id "" index = 0 (0x0) chip-id = 1 (0x1) version = 704374636546 (0xa400000002) device-id = 1217 (0x4c1) x-config-reg-migration-enabled = true bypass-iommu = false bus: pnv-phb4-root.6 type pnv-phb4-root dev: pnv-phb4-root-port, id "" (..) dev: pnv-phb4, id "" index = 5 (0x5) chip-id = 0 (0x0) version = 704374636546 (0xa400000002) device-id = 1217 (0x4c1) x-config-reg-migration-enabled = true bypass-iommu = false bus: pnv-phb4-root.5 type pnv-phb4-root dev: pnv-phb4-root-port, id "" (...) dev: pnv-phb4, id "" index = 0 (0x0) chip-id = 0 (0x0) version = 704374636546 (0xa400000002) device-id = 1217 (0x4c1) x-config-reg-migration-enabled = true bypass-iommu = false bus: pnv-phb4-root.0 type pnv-phb4-root dev: pnv-phb4-root-port, id "" Reviewed-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20220110143346.455901-11-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-12pnv_phb3.h: change TYPE_PNV_PHB3_ROOT_BUS nameDaniel Henrique Barboza1-1/+1
The TYPE_PNV_PHB3_ROOT_BUS name is used as the default bus name when the dev has no 'id'. However, pnv-phb3-root-bus is a bit too long to be used as a bus name. Most common QEMU buses and PCI controllers are named based on their bus type (e.g. pSeries spapr-pci-host-bridge is called 'pci'). The most common name for a PCIE bus controller in QEMU is 'pcie'. Naming it 'pcie' would break the documented use of the pnv-phb3 device, since 'pcie.0' would now refer to the root bus instead of the first root port. There's nothing particularly wrong with the 'root-bus' name used before, aside from the fact that 'root-bus' is being used for pnv-phb3 and pnv-phb4 created buses, which is not quite correct since these buses aren't implemented the same way in QEMU - you can't plug a pnv-phb4-root-port into a pnv-phb3 root bus, for example. This patch renames it as 'pnv-phb3-root', which is a compromise between the existing and the previously used name. Creating 3 phbs without ID will result in an "info qtree" output similar to this: bus: main-system-bus type System dev: pnv-phb3, id "" index = 2 (0x2) chip-id = 0 (0x0) x-config-reg-migration-enabled = true bypass-iommu = false bus: pnv-phb3-root.2 type pnv-phb3-root (...) dev: pnv-phb3, id "" index = 1 (0x1) chip-id = 0 (0x0) x-config-reg-migration-enabled = true bypass-iommu = false bus: pnv-phb3-root.1 type pnv-phb3-root (...) dev: pnv-phb3, id "" index = 0 (0x0) chip-id = 0 (0x0) x-config-reg-migration-enabled = true bypass-iommu = false bus: pnv-phb3-root.0 type pnv-phb3-root Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20220105212338.49899-11-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-12ppc/pnv: Move num_phbs under Pnv8ChipCédric Le Goater1-2/+2
It is not used elsewhere so that's where it belongs. Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20220105212338.49899-10-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-12ppc/pnv: Reparent user created PHB3 devices to the PnvChipCédric Le Goater1-0/+1
The powernv machine uses the object hierarchy to populate the device tree and each device should be parented to the chip it belongs to. This is not the case for user created devices which are parented to the container "/unattached". Make sure a PHB3 device is parented to its chip by reparenting the object if necessary. Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com> Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com> Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20220105212338.49899-8-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-12ppc/pnv: Introduce support for user created PHB3 devicesCédric Le Goater1-0/+2
PHB3 devices and PCI devices can now be added to the powernv8 machine using : -device pnv-phb3,chip-id=0,index=1 \ -device nec-usb-xhci,bus=pci.1,addr=0x0 The 'index' property identifies the PHB3 in the chip. In case of user created devices, a lookup on 'chip-id' is required to assign the owning chip. Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20220105212338.49899-7-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-12pnv_phb4.c: make pnv-phb4-root-port user creatableDaniel Henrique Barboza1-2/+0
We want to create only the absolutely minimal amount of devices when running with -nodefaults. The root port is something that the machine can boot up without. But, to do that, we need to provide a way for the user to add them by hand. This patch makes pnv-phb4-root-port user creatable and then uses the pnv_phb_attach_root_port() helper to add a pnv_phb4_root_port only when running with default settings. Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20220105212338.49899-5-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-12ppc/pnv: Attach PHB3 root port device when defaults are enabledCédric Le Goater2-2/+1
This cleanups the PHB3 model a bit more since the root port is an independent device and it will ease our task when adding user created PHB3s. pnv_phb_attach_root_port() is made public in pnv.c so it can be reused with the pnv_phb4 root port later. Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20220105212338.49899-4-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-11Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into stagingPeter Maydell4-16/+0
virtio: revert config interrupt changes Lots of fallout from config interrupt changes. Author wants to rework the patches. Let's revert quickly so others don't suffer meanwhile. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Mon 10 Jan 2022 21:03:44 GMT # gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469 # gpg: issuer "mst@redhat.com" # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full] # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full] # 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: Revert "virtio: introduce macro IRTIO_CONFIG_IRQ_IDX" Revert "virtio-pci: decouple notifier from interrupt process" Revert "virtio-pci: decouple the single vector from the interrupt process" Revert "vhost: introduce new VhostOps vhost_set_config_call" Revert "vhost-vdpa: add support for config interrupt" Revert "virtio: add support for configure interrupt" Revert "vhost: add support for configure interrupt" Revert "virtio-net: add support for configure interrupt" Revert "virtio-mmio: add support for configure interrupt" Revert "virtio-pci: add support for configure interrupt" Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-01-10Revert "virtio: introduce macro IRTIO_CONFIG_IRQ_IDX"Michael S. Tsirkin1-3/+0
This reverts commit bf1d85c166c19af95dbd27b1faba1d2909732323. Fixes: bf1d85c166 ("virtio: introduce macro IRTIO_CONFIG_IRQ_IDX") Cc: "Cindy Lu" <lulu@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-01-10Revert "vhost: introduce new VhostOps vhost_set_config_call"Michael S. Tsirkin1-3/+0
This reverts commit 88062372340d33090b7f089ed3b1a00f530a8914. Fixes: 8806237234 ("vhost: introduce new VhostOps vhost_set_config_call") Cc: "Cindy Lu" <lulu@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-01-10Revert "virtio: add support for configure interrupt"Michael S. Tsirkin1-4/+0
This reverts commit 081f864f56307551f59c5e934e3f30a7290d0faa. Fixes: 081f864f56 ("virtio: add support for configure interrupt") Cc: "Cindy Lu" <lulu@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-01-10Revert "vhost: add support for configure interrupt"Michael S. Tsirkin1-4/+0
This reverts commit f7220a7ce21604a4bc6260ccca4dc9068c1f27f2. Fixes: f7220a7ce2 ("vhost: add support for configure interrupt") Cc: "Cindy Lu" <lulu@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-01-10Revert "virtio-net: add support for configure interrupt"Michael S. Tsirkin1-2/+0
This reverts commit 497679d51087090d5a22fd265d1b96cf92d49d9d. Fixes: 497679d510 ("virtio-net: add support for configure interrupt") Cc: "Cindy Lu" <lulu@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-01-08target/riscv: setup everything for rv64 to support rv128 executionFrédéric Pétrot1-0/+1
This patch adds the support of the '-cpu rv128' option to qemu-system-riscv64 so that we can indicate that we want to run rv128 executables. Still, there is no support for 128-bit insns at that stage so qemu fails miserably (as expected) if launched with this option. Signed-off-by: Frédéric Pétrot <frederic.petrot@univ-grenoble-alpes.fr> Co-authored-by: Fabien Portas <fabien.portas@grenoble-inp.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20220106210108.138226-8-frederic.petrot@univ-grenoble-alpes.fr [ Changed by AF - Rename CPU to "x-rv128" ] Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-01-08qemu/int128: addition of div/rem 128-bit operationsFrédéric Pétrot1-0/+27
Addition of div and rem on 128-bit integers, using the 128/64->128 divu and 64x64->128 mulu in host-utils. These operations will be used within div/rem helpers in the 128-bit riscv target. Signed-off-by: Frédéric Pétrot <frederic.petrot@univ-grenoble-alpes.fr> Co-authored-by: Fabien Portas <fabien.portas@grenoble-inp.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20220106210108.138226-4-frederic.petrot@univ-grenoble-alpes.fr Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-01-08exec/memop: Adding signed quad and octo definesFrédéric Pétrot1-0/+7
Adding defines to handle signed 64-bit and unsigned 128-bit quantities in memory accesses. Signed-off-by: Frédéric Pétrot <frederic.petrot@univ-grenoble-alpes.fr> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20220106210108.138226-3-frederic.petrot@univ-grenoble-alpes.fr Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-01-08exec/memop: Adding signedness to quad definitionsFrédéric Pétrot2-6/+6
Renaming defines for quad in their various forms so that their signedness is now explicit. Done using git grep as suggested by Philippe, with a bit of hand edition to keep assignments aligned. Signed-off-by: Frédéric Pétrot <frederic.petrot@univ-grenoble-alpes.fr> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20220106210108.138226-2-frederic.petrot@univ-grenoble-alpes.fr Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-01-08hw/riscv: virt: Allow support for 32 coresAlistair Francis1-1/+1
Linux supports up to 32 cores for both 32-bit and 64-bit RISC-V, so let's set that as the maximum for the virt board. Resolves: https://gitlab.com/qemu-project/qemu/-/issues/435 Signed-off-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Message-Id: <20220105213937.1113508-9-alistair.francis@opensource.wdc.com>
2022-01-07Merge tag 'for_upstream' of git://git.kernel.org/pub/scm/virt/kvm/mst/qemu ↵Richard Henderson10-11/+52
into staging virtio,pci,pc: features,fixes,cleanups New virtio mem options. A vhost-user cleanup. Control over smbios entry point type. Config interrupt support for vdpa. Fixes, cleanups all over the place. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Fri 07 Jan 2022 04:30:41 PM PST # gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469 # gpg: issuer "mst@redhat.com" # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [undefined] # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [undefined] # 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 * tag 'for_upstream' of git://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (55 commits) tests: acpi: Add updated TPM related tables acpi: tpm: Add missing device identification objects tests: acpi: prepare for updated TPM related tables virtio/vhost-vsock: don't double close vhostfd, remove redundant cleanup hw/scsi/vhost-scsi: don't double close vhostfd on error hw/scsi/vhost-scsi: don't leak vqs on error docs: reSTify virtio-balloon-stats documentation and move to docs/interop hw/i386/pc: Add missing property descriptions acpihp: simplify acpi_pcihp_disable_root_bus tests: acpi: SLIC: update expected blobs tests: acpi: add SLIC table test tests: acpi: whitelist expected blobs before changing them acpi: fix QEMU crash when started with SLIC table intel-iommu: correctly check passthrough during translation virtio-mem: Set "unplugged-inaccessible=auto" for the 7.0 machine on x86 virtio-mem: Support VIRTIO_MEM_F_UNPLUGGED_INACCESSIBLE linux-headers: sync VIRTIO_MEM_F_UNPLUGGED_INACCESSIBLE MAINTAINERS: Add a separate entry for acpi/VIOT tables virtio: signal after wrapping packed used_idx virtio-mem: Support "prealloc=on" option ... Signed-off-by: Richard Henderson <richard.henderson@linaro.org>