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2020-11-03util/vfio-helpers: Assert offset is aligned to page sizePhilippe Mathieu-Daudé
mmap(2) states: 'offset' must be a multiple of the page size as returned by sysconf(_SC_PAGE_SIZE). Add an assertion to be sure we don't break this contract. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201103020733.2303148-8-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03util/vfio-helpers: Convert vfio_dump_mapping to trace eventsPhilippe Mathieu-Daudé
The QEMU_VFIO_DEBUG definition is only modifiable at build-time. Trace events can be enabled at run-time. As we prefer the latter, convert qemu_vfio_dump_mappings() to use trace events instead of fprintf(). Reviewed-by: Fam Zheng <fam@euphon.net> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201103020733.2303148-7-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03util/vfio-helpers: Improve DMA trace eventsPhilippe Mathieu-Daudé
For debugging purpose, trace where DMA regions are mapped. Reviewed-by: Fam Zheng <fam@euphon.net> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201103020733.2303148-6-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03util/vfio-helpers: Trace where BARs are mappedPhilippe Mathieu-Daudé
For debugging purpose, trace where a BAR is mapped. Reviewed-by: Fam Zheng <fam@euphon.net> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201103020733.2303148-5-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03util/vfio-helpers: Trace PCI BAR region infoPhilippe Mathieu-Daudé
For debug purpose, trace BAR regions info. Reviewed-by: Fam Zheng <fam@euphon.net> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201103020733.2303148-4-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03util/vfio-helpers: Trace PCI I/O config accessesPhilippe Mathieu-Daudé
We sometime get kernel panic with some devices on Aarch64 hosts. Alex Williamson suggests it might be broken PCIe root complex. Add trace event to record the latest I/O access before crashing. In case, assert our accesses are aligned. Reviewed-by: Fam Zheng <fam@euphon.net> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201103020733.2303148-3-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03util/vfio-helpers: Improve reporting unsupported IOMMU typePhilippe Mathieu-Daudé
Change the confuse "VFIO IOMMU check failed" error message by the explicit "VFIO IOMMU Type1 is not supported" once. Example on POWER: $ qemu-system-ppc64 -drive if=none,id=nvme0,file=nvme://0001:01:00.0/1,format=raw qemu-system-ppc64: -drive if=none,id=nvme0,file=nvme://0001:01:00.0/1,format=raw: VFIO IOMMU Type1 is not supported Suggested-by: Alex Williamson <alex.williamson@redhat.com> Reviewed-by: Fam Zheng <fam@euphon.net> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201103020733.2303148-2-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Fix nvme_submit_command() on big-endian hostPhilippe Mathieu-Daudé
The Completion Queue Command Identifier is a 16-bit value, so nvme_submit_command() is unlikely to work on big-endian hosts, as the relevant bits are truncated. Fix by using the correct byte-swap function. Fixes: bdd6a90a9e5 ("block: Add VFIO based NVMe driver") Reported-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20201029093306.1063879-25-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Fix use of write-only doorbells page on Aarch64 archPhilippe Mathieu-Daudé
qemu_vfio_pci_map_bar() calls mmap(), and mmap(2) states: 'offset' must be a multiple of the page size as returned by sysconf(_SC_PAGE_SIZE). In commit f68453237b9 we started to use an offset of 4K which broke this contract on Aarch64 arch. Fix by mapping at offset 0, and and accessing doorbells at offset=4K. Fixes: f68453237b9 ("block/nvme: Map doorbells pages write-only") Reported-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201029093306.1063879-24-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Align iov's va and size on host page sizeEric Auger
Make sure iov's va and size are properly aligned on the host page size. Signed-off-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201029093306.1063879-23-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Change size and alignment of prp_list_pagesEric Auger
In preparation of 64kB host page support, let's change the size and alignment of the prp_list_pages so that the VFIO DMA MAP succeeds with 64kB host page size. We align on the host page size. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201029093306.1063879-22-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Change size and alignment of queueEric Auger
In preparation of 64kB host page support, let's change the size and alignment of the queue so that the VFIO DMA MAP succeeds. We align on the host page size. Signed-off-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201029093306.1063879-21-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Change size and alignment of IDENTIFY response bufferEric Auger
In preparation of 64kB host page support, let's change the size and alignment of the IDENTIFY command response buffer so that the VFIO DMA MAP succeeds. We align on the host page size. Signed-off-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201029093306.1063879-20-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Correct minimum device page sizePhilippe Mathieu-Daudé
While trying to simplify the code using a macro, we forgot the 12-bit shift... Correct that. Fixes: fad1eb68862 ("block/nvme: Use register definitions from 'block/nvme.h'") Reported-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201029093306.1063879-19-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Set request_alignment at initializationPhilippe Mathieu-Daudé
Commit bdd6a90a9e5 ("block: Add VFIO based NVMe driver") sets the request_alignment in nvme_refresh_limits(). For consistency, also set it during initialization. Reported-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201029093306.1063879-18-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Simplify nvme_cmd_sync()Philippe Mathieu-Daudé
As all commands use the ADMIN queue, it is pointless to pass it as argument each time. Remove the argument, and rename the function as nvme_admin_cmd_sync() to make this new behavior clearer. Reviewed-by: Eric Auger <eric.auger@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20201029093306.1063879-17-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Simplify ADMIN queue accessPhilippe Mathieu-Daudé
We don't need to dereference from BDRVNVMeState each time. Use a NVMeQueuePair pointer on the admin queue. The nvme_init() becomes easier to review, matching the style of nvme_add_io_queue(). Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201029093306.1063879-16-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Correctly initialize Admin Queue AttributesPhilippe Mathieu-Daudé
From the specification chapter 3.1.8 "AQA - Admin Queue Attributes" the Admin Submission Queue Size field is a 0’s based value: Admin Submission Queue Size (ASQS): Defines the size of the Admin Submission Queue in entries. Enabling a controller while this field is cleared to 00h produces undefined results. The minimum size of the Admin Submission Queue is two entries. The maximum size of the Admin Submission Queue is 4096 entries. This is a 0’s based value. This bug has never been hit because the device initialization uses a single command synchronously :) Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201029093306.1063879-15-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Use definitions instead of magic values in add_io_queue()Philippe Mathieu-Daudé
Replace magic values by definitions, and simplifiy since the number of queues will never reach 64K. Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201029093306.1063879-14-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Introduce Completion Queue definitionsPhilippe Mathieu-Daudé
Rename Submission Queue flags with 'Sq' to differentiate submission queue flags from command queue flags, and introduce Completion Queue flag definitions. Reviewed-by: Eric Auger <eric.auger@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20201029093306.1063879-13-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Make nvme_init_queue() return boolean indicating errorPhilippe Mathieu-Daudé
Just for consistency, following the example documented since commit e3fe3988d7 ("error: Document Error API usage rules"), return a boolean value indicating an error is set or not. Directly pass errp as the local_err is not requested in our case. This simplifies a bit nvme_create_queue_pair(). Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201029093306.1063879-12-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Make nvme_identify() return boolean indicating errorPhilippe Mathieu-Daudé
Just for consistency, following the example documented since commit e3fe3988d7 ("error: Document Error API usage rules"), return a boolean value indicating an error is set or not. Directly pass errp as the local_err is not requested in our case. Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20201029093306.1063879-11-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Use unsigned integer for queue counter/sizePhilippe Mathieu-Daudé
We can not have negative queue count/size/index, use unsigned type. Rename 'nr_queues' as 'queue_count' to match the spec naming. Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201029093306.1063879-10-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Move definitions before structure declarationsPhilippe Mathieu-Daudé
To be able to use some definitions in structure declarations, move them earlier. No logical change. Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201029093306.1063879-9-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Trace queue pair creation/deletionPhilippe Mathieu-Daudé
Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201029093306.1063879-8-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Improve nvme_free_req_queue_wait() trace informationPhilippe Mathieu-Daudé
What we want to trace is the block driver state and the queue index. Suggested-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201029093306.1063879-7-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Trace nvme_poll_queue() per queuePhilippe Mathieu-Daudé
As we want to enable multiple queues, report the event in each nvme_poll_queue() call, rather than once in the callback calling nvme_poll_queues(). Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201029093306.1063879-6-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Trace controller capabilitiesPhilippe Mathieu-Daudé
Controllers have different capabilities and report them in the CAP register. We are particularly interested by the page size limits. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201029093306.1063879-5-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Report warning with warn_report()Philippe Mathieu-Daudé
Instead of displaying warning on stderr, use warn_report() which also displays it on the monitor. Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201029093306.1063879-4-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03block/nvme: Use hex format to display offset in trace eventsPhilippe Mathieu-Daudé
Use the same format used for the hw/vfio/ trace events. Suggested-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201029093306.1063879-3-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com>
2020-11-03MAINTAINERS: Cover "block/nvme.h" filePhilippe Mathieu-Daudé
The "block/nvme.h" header is shared by both the NVMe block driver and the NVMe emulated device. Add the 'F:' entry on both sections, so all maintainers/reviewers are notified when it is changed. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Klaus Jensen <k.jensen@samsung.com> Message-Id: <20200701140634.25994-1-philmd@redhat.com>
2020-11-03softmmu/memory: fix memory_region_ioeventfd_equal()Elena Afanasova
Eventfd can be registered with a zero length when fast_mmio is true. Handle this case properly when dispatching through QEMU. Signed-off-by: Elena Afanasova <eafanasova@gmail.com> Message-id: cf71a62eb04e61932ff8ffdd02e0b2aab4f495a0.camel@gmail.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-11-03accel/kvm: add PIO ioeventfds only in case kvm_eventfds_allowed is trueElena Afanasova
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Elena Afanasova <eafanasova@gmail.com> Message-Id: <20201017210102.26036-1-eafanasova@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-11-03semihosting: fix order of initialization functionsPaolo Bonzini
qemu_semihosting_console_init uses semihosting.chardev which is set by qemu_semihosting_connect_chardevs. Thus qemu_semihosting_connect_chardevs has to be called first. Both have to be called after processing -serial and friends though, so that the semihosting console can connect to a multiplexer as in "-serial mon:stdio -semihosting-config chardev=serial0" Suggested-by: Alex Bennée <alex.bennee@linaro.org> Fixes: 619985e937 ("semihosting: defer connect_chardevs a little more to use serialx", 2020-07-27) Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-11-03fuzz: fuzz offsets within pio/mmio regionsAlexander Bulekov
The code did not add offsets to FlatRange bases, so we did not fuzz offsets within device MemoryRegions. Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Message-Id: <20201029172901.534442-4-alxndr@bu.edu> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-11-03fuzz: check the MR in the DMA callbackAlexander Bulekov
We should be checking that the device is trying to read from RAM, before filling the region with data. Otherwise, we will try to populate nonsensical addresses in RAM for callbacks on PIO/MMIO reads. We did this originally, however the final version I sent had the line commented out.. Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Message-Id: <20201029172901.534442-3-alxndr@bu.edu> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-11-03fuzz: fix writing DMA patternsAlexander Bulekov
This code had all sorts of issues. We used a loop similar to address_space_write_rom, but I did not remove a "break" that only made sense in the context of the switch statement in the original code. Then, after the loop, we did a separate qtest_memwrite over the entire DMA access range, defeating the purpose of the loop. Additionally, we increment the buf pointer, and then try to g_free() it. Fix these problems. Reported-by: OSS-Fuzz (Issue 26725) Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reported-by: OSS-Fuzz (Issue 26691) Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Message-Id: <20201029172901.534442-2-alxndr@bu.edu> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-11-03Merge remote-tracking branch ↵Peter Maydell
'remotes/alistair/tags/pull-riscv-to-apply-20201103' into staging This series adds support for migration to RISC-V QEMU and expands the Microchip PFSoC to allow unmodified HSS and Linux boots. # gpg: Signature made Tue 03 Nov 2020 15:19:45 GMT # gpg: using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054 # gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [full] # Primary key fingerprint: F6C4 AC46 D493 4868 D3B8 CE8F 21E1 0D29 DF97 7054 * remotes/alistair/tags/pull-riscv-to-apply-20201103: target/riscv/csr.c : add space before the open parenthesis '(' hw/riscv: microchip_pfsoc: Hook the I2C1 controller hw/riscv: microchip_pfsoc: Correct DDR memory map hw/riscv: microchip_pfsoc: Map the reserved memory at address 0 hw/riscv: microchip_pfsoc: Connect the SYSREG module hw/misc: Add Microchip PolarFire SoC SYSREG module support hw/riscv: microchip_pfsoc: Connect the IOSCB module hw/misc: Add Microchip PolarFire SoC IOSCB module support hw/riscv: microchip_pfsoc: Connect DDR memory controller modules hw/misc: Add Microchip PolarFire SoC DDR Memory Controller support hw/riscv: microchip_pfsoc: Document where to look at the SoC memory maps target/riscv: Add sifive_plic vmstate target/riscv: Add V extension state description target/riscv: Add H extension state description target/riscv: Add PMP state description target/riscv: Add basic vmstate description of CPU target/riscv: Merge m/vsstatus and m/vsstatush into one uint64_t unit hw/riscv: virt: Allow passing custom DTB hw/riscv: sifive_u: Allow passing custom DTB Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-03Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into stagingPeter Maydell
Block layer patches: - iotests: Fix pylint/mypy warnings with Python 3.9 - qmp: fix aio_poll() assertion failure on Windows - Some minor fixes # gpg: Signature made Tue 03 Nov 2020 15:25:01 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: block/vvfat: Fix bad printf format specifiers iotests: Use Python 3 style super() iotests: Disable unsubscriptable-object in pylint iotests.py: Fix type check errors in wait_migration() qemu-img convert: Free @sn_opts in all error cases qmp: fix aio_poll() assertion failure on Windows Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-03target/mips: Add unaligned access support for MIPS64R6 and Loongson-3Huacai Chen
MIPSR6 (not only MIPS32R6) processors support unaligned access in hardware, so set MO_UNALN in their default_tcg_memop_mask. Btw, new Loongson-3 (such as Loongson-3A4000) also support unaligned access, since both old and new Loongson-3 use the same binaries, we can simply set MO_UNALN for all Loongson-3 processors. Signed-off-by: Huacai Chen <chenhc@lemote.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <1604053541-27822-3-git-send-email-chenhc@lemote.com> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-11-03target/mips: Fix Lesser GPL version numberChetan Pant
There is no "version 2" of the "Lesser" General Public License. It is either "GPL version 2.0" or "Lesser GPL version 2.1". This patch replaces all occurrences of "Lesser GPL version 2" with "Lesser GPL version 2.1" in comment section. Signed-off-by: Chetan Pant <chetan4windows@gmail.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-Id: <20201016143509.26692-1-chetan4windows@gmail.com> [PMD: Split hw/ vs target/] Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-11-03hw/intc/loongson: Fix incorrect 'core' calculation in liointc_read/writeAlexChen
According to the loongson spec (http://www.loongson.cn/uploadfile/cpu/3B1500/Loongson_3B1500_cpu_user_1.pdf) and the macro definition(#define R_PERCORE_ISR(x) (0x40 + 0x8 * x)), we know that the ISR size per CORE is 8, so here we need to divide (addr - R_PERCORE_ISR(0)) by 8, not 4. Reported-by: Euler Robot <euler.robot@huawei.com> Signed-off-by: Alex Chen <alex.chen@huawei.com> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <5FA12391.8090400@huawei.com> [PMD: Shortened subject] Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-11-03hw/mips/boston: Fix Lesser GPL version numberChetan Pant
There is no "version 2" of the "Lesser" General Public License. It is either "GPL version 2.0" or "Lesser GPL version 2.1". This patch replaces all occurrences of "Lesser GPL version 2" with "Lesser GPL version 2.1" in comment section. Signed-off-by: Chetan Pant <chetan4windows@gmail.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-Id: <20201023122633.19466-1-chetan4windows@gmail.com> [PMD: Added hw/mips/ prefix in subject] Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-11-03hw/mips: Fix Lesser GPL version numberChetan Pant
There is no "version 2" of the "Lesser" General Public License. It is either "GPL version 2.0" or "Lesser GPL version 2.1". This patch replaces all occurrences of "Lesser GPL version 2" with "Lesser GPL version 2.1" in comment section. Signed-off-by: Chetan Pant <chetan4windows@gmail.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-Id: <20201016143509.26692-1-chetan4windows@gmail.com> [PMD: Split hw/ vs target/] Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-11-03hw/mips: Remove the 'r4k' machinePhilippe Mathieu-Daudé
We deprecated the support for the 'r4k' machine for the 5.0 release (commit d32dc61421), which means that our deprecation policy allows us to drop it in release 5.2. Remove the code. To repeat the rationale from the deprecation note: - this virtual machine has no specification - the Linux kernel dropped support for it 10 years ago Users are recommended to use the Malta board instead. Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Thomas Huth <thuth@redhat.com> ACKed-by: Peter Krempa <pkrempa@redhat.com> Message-Id: <20201102201311.2220005-1-f4bug@amsat.org>
2020-11-03block/vvfat: Fix bad printf format specifiersAlexChen
We should use printf format specifier "%u" instead of "%d" for argument of type "unsigned int". In addition, fix two error format problems found by checkpatch.pl: ERROR: space required after that ',' (ctx:VxV) + fprintf(stderr,"%s attributes=0x%02x begin=%u size=%d\n", ^ ERROR: line over 90 characters + fprintf(stderr, "%d, %s (%u, %d)\n", i, commit->path ? commit->path : "(null)", commit->param.rename.cluster, commit->action); Reported-by: Euler Robot <euler.robot@huawei.com> Signed-off-by: Alex Chen <alex.chen@huawei.com> Message-Id: <5FA12620.6030705@huawei.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-11-03iotests: Use Python 3 style super()Kevin Wolf
pylint complains about the use of super with the current class and instance as arguments in VM.__init__(): iotests.py:546:8: R1725: Consider using Python 3 style super() without arguments (super-with-arguments) No reason not to follow the advice and make it happy, so let's do this. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20201027163806.290960-4-kwolf@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-11-03iotests: Disable unsubscriptable-object in pylintKevin Wolf
When run with Python 3.9, pylint incorrectly warns about things like Optional[foo] because it doesn't recognise Optional as unsubscriptable. This is a known pylint bug: https://github.com/PyCQA/pylint/issues/3882 Just disable this check to get rid of the warnings. Disabling this shouldn't make us miss any real bug because mypy also has a similar check ("... is not indexable"). Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20201027163806.290960-3-kwolf@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-11-03iotests.py: Fix type check errors in wait_migration()Kevin Wolf
Commit 1847a4a8c20 clarified that event_wait() can return None (though only with timeout=0) and commit f12a282ff47 annotated it as returning Optional[QMPMessage]. Type checks in wait_migration() fail because of the unexpected optional return type: iotests.py:750: error: Value of type variable "Msg" of "log" cannot be "Optional[Dict[str, Any]]" iotests.py:751: error: Value of type "Optional[Dict[str, Any]]" is not indexable iotests.py:754: error: Value of type "Optional[Dict[str, Any]]" is not indexable Fortunately, the non-zero default timeout is used in the event_wait() call, so we can make mypy happy by just asserting this. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20201027163806.290960-2-kwolf@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-11-03qemu-img convert: Free @sn_opts in all error casesTuguoyi
@sn_opts is initialized at the beginning, so it should be deleted after jumping to the lable 'fail_getopt' Signed-off-by: Guoyi Tu <tu.guoyi@h3c.com> Message-Id: <6ff1c5d372944494be3932274f75485d@h3c.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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