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2021-05-27ui/pixman: Add qemu_pixman_to_drm_format()Vivek Kasireddy
This new function to get the drm_format associated with a pixman format will be useful while creating a dmabuf. Based-on-patch-by: Gerd Hoffmann <kraxel@redhat.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com> Message-Id: <20210526231429.1045476-11-vivek.kasireddy@intel.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-27virtio-gpu: Add virtio_gpu_resource_create_blobVivek Kasireddy
This API allows Qemu to register the blob allocated by the Guest as a new resource and map its backing storage. Based-on-patch-by: Gerd Hoffmann <kraxel@redhat.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com> Message-Id: <20210526231429.1045476-10-vivek.kasireddy@intel.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-27virtio-gpu: Add initial definitions for blob resourcesVivek Kasireddy
Add the property bit, configuration flag and other relevant macros and definitions associated with this feature. Based-on-patch-by: Gerd Hoffmann <kraxel@redhat.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com> Message-Id: <20210526231429.1045476-9-vivek.kasireddy@intel.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-27virtio-gpu: Refactor virtio_gpu_create_mapping_iovVivek Kasireddy
Instead of passing the attach_backing object to extract nr_entries and offset, explicitly pass these as arguments to this function. This will be helpful when adding create_blob API. Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com> Message-Id: <20210526231429.1045476-8-vivek.kasireddy@intel.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-27virtio-gpu: Refactor virtio_gpu_set_scanoutVivek Kasireddy
Store the meta-data associated with a FB in a new object (struct virtio_gpu_framebuffer) and pass the object to set_scanout. Also move code in set_scanout into a do_set_scanout function. This will be helpful when adding set_scanout_blob API. Based-on-patch-by: Gerd Hoffmann <kraxel@redhat.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com> Message-Id: <20210526231429.1045476-7-vivek.kasireddy@intel.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-27virtio-gpu: Add udmabuf helpersVivek Kasireddy
Add helper functions to create a dmabuf for a resource and mmap it. Also, introduce the fields blob and blob_size so that these helpers can start to use them but the full picture will emerge only after adding create_blob API in patch 8 of this series. To be able to create a dmabuf using the udmabuf driver, Qemu needs to be lauched with the memfd memory backend like this: qemu-system-x86_64 -m 8192m -object memory-backend-memfd,id=mem1,size=8192M -machine memory-backend=mem1 Based-on-patch-by: Gerd Hoffmann <kraxel@redhat.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com> Message-Id: <20210526231429.1045476-4-vivek.kasireddy@intel.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-27headers: Add udmabuf.hVivek Kasireddy
This adds udmabuf header to standard headers so that the relevant udmabuf objects can be accessed in subsequent patches. Based-on-patch-by: Gerd Hoffmann <kraxel@redhat.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com> Message-Id: <20210526231429.1045476-3-vivek.kasireddy@intel.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-27ui: Get the fd associated with udmabuf driverVivek Kasireddy
Try to open the udmabuf dev node for the first time or return the fd if the device was previously opened. Based-on-patch-by: Gerd Hoffmann <kraxel@redhat.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com> Message-Id: <20210526231429.1045476-2-vivek.kasireddy@intel.com> [ kraxel: fixup fcntl.h include ] Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-26hw/core: Constify TCGCPUOpsRichard Henderson
We no longer have any runtime modifications to this struct, so declare them all const. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-ID: <20210227232519.222663-3-richard.henderson@linaro.org>
2021-05-26cpu: Move CPUClass::get_paging_enabled to SysemuCPUOpsPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210517105140.1062037-23-f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-05-26cpu: Move CPUClass::get_memory_mapping to SysemuCPUOpsPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210517105140.1062037-22-f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-05-26cpu: Move CPUClass::get_phys_page_debug to SysemuCPUOpsPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210517105140.1062037-21-f4bug@amsat.org> [rth: Drop declaration movement from target/*/cpu.h] Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-05-26cpu: Move CPUClass::asidx_from_attrs to SysemuCPUOpsPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210517105140.1062037-20-f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-05-26cpu: Move CPUClass::write_elf* to SysemuCPUOpsPhilippe Mathieu-Daudé
The write_elf*() handlers are used to dump vmcore images. This feature is only meaningful for system emulation. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210517105140.1062037-19-f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-05-26cpu: Move CPUClass::get_crash_info to SysemuCPUOpsPhilippe Mathieu-Daudé
cpu_get_crash_info() is called on GUEST_PANICKED events, which only occur in system emulation. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210517105140.1062037-18-f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-05-26cpu: Move CPUClass::virtio_is_big_endian to SysemuCPUOpsPhilippe Mathieu-Daudé
VirtIO devices are only meaningful with system emulation. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210517105140.1062037-17-f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-05-26cpu: Move CPUClass::vmsd to SysemuCPUOpsPhilippe Mathieu-Daudé
Migration is specific to system emulation. - Move the CPUClass::vmsd field to SysemuCPUOps, - restrict VMSTATE_CPU() macro to sysemu, - vmstate_dummy is now unused, remove it. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210517105140.1062037-16-f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-05-26cpu: Introduce SysemuCPUOps structurePhilippe Mathieu-Daudé
Introduce a structure to hold handler specific to sysemu. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210517105140.1062037-15-f4bug@amsat.org> [rth: Squash "restrict hw/core/sysemu-cpu-ops.h" patch] Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-05-26cpu: Rename CPUClass vmsd -> legacy_vmsdPhilippe Mathieu-Daudé
Quoting Peter Maydell [*]: There are two ways to handle migration for a CPU object: (1) like any other device, so it has a dc->vmsd that covers migration for the whole object. As usual for objects that are a subclass of a parent that has state, the first entry in the VMStateDescription field list is VMSTATE_CPU(), which migrates the cpu_common fields, followed by whatever the CPU's own migration fields are. (2) a backwards-compatible mechanism for CPUs that were originally migrated using manual "write fields to the migration stream structures". The on-the-wire migration format for those is based on the 'env' pointer (which isn't a QOM object), and the cpu_common part of the migration data is elsewhere. cpu_exec_realizefn() handles both possibilities: * for type 1, dc->vmsd is set and cc->vmsd is not, so cpu_exec_realizefn() does nothing, and the standard "register dc->vmsd for a device" code does everything needed * for type 2, dc->vmsd is NULL and so we register the vmstate_cpu_common directly to handle the cpu-common fields, and the cc->vmsd to handle the per-CPU stuff You can't change a CPU from one type to the other without breaking migration compatibility, which is why some guest architectures are stuck on the cc->vmsd form. New targets should use dc->vmsd. To avoid new targets to start using type (2), rename cc->vmsd as cc->legacy_vmsd. The correct field to implement is dc->vmsd (the DeviceClass one). See also commit b170fce3dd0 ("cpu: Register VMStateDescription through CPUState") for historic background. [*] https://www.mail-archive.com/qemu-devel@nongnu.org/msg800849.html Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Cc: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20210517105140.1062037-13-f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-05-26cpu: Introduce cpu_virtio_is_big_endian()Philippe Mathieu-Daudé
Introduce the cpu_virtio_is_big_endian() generic helper to avoid calling CPUClass internal virtio_is_big_endian() one. Similarly to commit bf7663c4bd8 ("cpu: introduce CPUClass::virtio_is_big_endian()"), we keep 'virtio' in the method name to hint this handler shouldn't be called anywhere but from the virtio code. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210517105140.1062037-8-f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-05-26cpu: Un-inline cpu_get_phys_page_debug and cpu_asidx_from_attrsPhilippe Mathieu-Daudé
To be able to later extract the cpu_get_phys_page_debug() and cpu_asidx_from_attrs() handlers from CPUClass, un-inline them from "hw/core/cpu.h". Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210517105140.1062037-7-f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-05-26accel/tcg: Keep TranslationBlock headers local to TCGPhilippe Mathieu-Daudé
Only the TCG accelerator uses the TranslationBlock API. Move the tb-context.h / tb-hash.h / tb-lookup.h from the global namespace to the TCG one (in accel/tcg). Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20210524170453.3791436-3-f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-05-26accel/tcg: Reduce 'exec/tb-context.h' inclusionPhilippe Mathieu-Daudé
Only 2 headers require "exec/tb-context.h". Instead of having all files including "exec/exec-all.h" also including it, directly include it where it is required: - accel/tcg/cpu-exec.c - accel/tcg/translate-all.c For plugins/plugin.h, we were implicitly relying on exec/exec-all.h -> exec/tb-context.h -> qemu/qht.h which is now included directly. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20210524170453.3791436-2-f4bug@amsat.org> [rth: Fix plugins/plugin.h compilation] Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-05-26exec/memory: Use correct type sizePhilippe Mathieu-Daudé
Use uint8_t for (unsigned) byte. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20210518183655.1711377-7-philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-05-26exec/memory_ldst_cached: Use correct type sizePhilippe Mathieu-Daudé
Use uint16_t for (unsigned) 16-bit word. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20210518183655.1711377-6-philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-05-26exec/memory_ldst_phys: Use correct type sizesPhilippe Mathieu-Daudé
Use uint8_t for (unsigned) byte, and uint16_t for (unsigned) 16-bit word. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20210518183655.1711377-5-philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-05-26exec/memory_ldst: Use correct type sizesPhilippe Mathieu-Daudé
Use uint8_t for (unsigned) byte, and uint16_t for (unsigned) 16-bit word. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20210518183655.1711377-4-philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-05-26exec/memory_ldst_phys: Sort declarationsPhilippe Mathieu-Daudé
To ease the file review, sort the declarations by the size of the access (8, 16, 32). Simple code movement, no logical change. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20210518183655.1711377-3-philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-05-26exec/memory_ldst_cached: Sort declarationsPhilippe Mathieu-Daudé
To ease the file review, sort the declarations by the size of the access (8, 16, 32). Simple code movement, no logical change. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20210518183655.1711377-2-philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-05-26qemu-config: load modules when instantiating option groupsPaolo Bonzini
Right now the SPICE module is special cased to be loaded when processing of the -spice command line option. However, the spice option group can also be brought in via -readconfig, in which case the module is not loaded. Add a generic hook to load modules that provide a QemuOpts group, and use it for the "spice" and "iscsi" groups. Fixes: #194 Fixes: https://bugs.launchpad.net/qemu/+bug/1910696 Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-05-26replication: move include out of root directoryPaolo Bonzini
The replication.h file is included from migration/colo.c and tests/unit/test-replication.c, so it should be in include/. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-05-26remove qemu-options* from root directoryPaolo Bonzini
These headers are also included from softmmu/vl.c, so they should be in include/. Remove qemu-options-wrapper.h, since elsewhere we include "template" headers directly and #define the parameters in the including file; move qemu-options.h to include/. Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-05-26KVM: Dirty ring supportPeter Xu
KVM dirty ring is a new interface to pass over dirty bits from kernel to the userspace. Instead of using a bitmap for each memory region, the dirty ring contains an array of dirtied GPAs to fetch (in the form of offset in slots). For each vcpu there will be one dirty ring that binds to it. kvm_dirty_ring_reap() is the major function to collect dirty rings. It can be called either by a standalone reaper thread that runs in the background, collecting dirty pages for the whole VM. It can also be called directly by any thread that has BQL taken. Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20210506160549.130416-11-peterx@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-05-26KVM: Cache kvm slot dirty bitmap sizePeter Xu
Cache it too because we'll reference it more frequently in the future. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20210506160549.130416-8-peterx@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-05-26KVM: Provide helper to sync dirty bitmap from slot to ramblockPeter Xu
kvm_physical_sync_dirty_bitmap() calculates the ramblock offset in an awkward way from the MemoryRegionSection that passed in from the caller. The truth is for each KVMSlot the ramblock offset never change for the lifecycle. Cache the ramblock offset for each KVMSlot into the structure when the KVMSlot is created. With that, we can further simplify kvm_physical_sync_dirty_bitmap() with a helper to sync KVMSlot dirty bitmap to the ramblock dirty bitmap of a specific KVMSlot. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20210506160549.130416-6-peterx@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-05-26KVM: Provide helper to get kvm dirty logPeter Xu
Provide a helper kvm_slot_get_dirty_log() to make the function kvm_physical_sync_dirty_bitmap() clearer. We can even cache the as_id into KVMSlot when it is created, so that we don't even need to pass it down every time. Since at it, remove return value of kvm_physical_sync_dirty_bitmap() because it should never fail. Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20210506160549.130416-5-peterx@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-05-26KVM: Use a big lock to replace per-kml slots_lockPeter Xu
Per-kml slots_lock will bring some trouble if we want to take all slots_lock of all the KMLs, especially when we're in a context that we could have taken some of the KML slots_lock, then we even need to figure out what we've taken and what we need to take. Make this simple by merging all KML slots_lock into a single slots lock. Per-kml slots_lock isn't anything that helpful anyway - so far only x86 has two address spaces (so, two slots_locks). All the rest archs will be having one address space always, which means there's actually one slots_lock so it will be the same as before. Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20210506160549.130416-3-peterx@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-05-26memory: Introduce log_sync_global() to memory listenerPeter Xu
Some of the memory listener may want to do log synchronization without being able to specify a range of memory to sync but always globally. Such a memory listener should provide this new method instead of the log_sync() method. Obviously we can also achieve similar thing when we put the global sync logic into a log_sync() handler. However that's not efficient enough because otherwise memory_global_dirty_log_sync() may do the global sync N times, where N is the number of flat ranges in the address space. Make this new method be exclusive to log_sync(). Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20210506160549.130416-2-peterx@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-05-25accel/tlb: Add tlb_flush_range_by_mmuidx_all_cpus_synced()Richard Henderson
Forward tlb_flush_page_bits_by_mmuidx_all_cpus_synced to tlb_flush_range_by_mmuidx_all_cpus_synced passing TARGET_PAGE_SIZE. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20210509151618.2331764-7-f4bug@amsat.org Message-Id: <20210508201640.1045808-1-richard.henderson@linaro.org> [PMD: Split from bigger patch] Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-05-25accel/tcg: Add tlb_flush_range_by_mmuidx_all_cpus()Richard Henderson
Forward tlb_flush_page_bits_by_mmuidx_all_cpus to tlb_flush_range_by_mmuidx_all_cpus passing TARGET_PAGE_SIZE. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20210509151618.2331764-6-f4bug@amsat.org Message-Id: <20210508201640.1045808-1-richard.henderson@linaro.org> [PMD: Split from bigger patch] Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-05-25accel/tcg: Add tlb_flush_range_by_mmuidx()Richard Henderson
Forward tlb_flush_page_bits_by_mmuidx to tlb_flush_range_by_mmuidx passing TARGET_PAGE_SIZE. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20210509151618.2331764-5-f4bug@amsat.org Message-Id: <20210508201640.1045808-1-richard.henderson@linaro.org> [PMD: Split from bigger patch] Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-05-25hw/arm: Model TCMs in the SSE-300, not the AN547Peter Maydell
The SSE-300 has an ITCM at 0x0000_0000 and a DTCM at 0x2000_0000. Currently we model these in the AN547 board, but this is conceptually wrong, because they are a part of the SSE-300 itself. Move the modelling of the TCMs out of mps2-tz.c into sse300.c. This has no guest-visible effects. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210510190844.17799-7-peter.maydell@linaro.org
2021-05-24Merge remote-tracking branch ↵Peter Maydell
'remotes/stefanha-gitlab/tags/block-pull-request' into staging Pull request (Resent due to an email preparation mistake.) # gpg: Signature made Mon 24 May 2021 14:01:42 BST # 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: coroutine-sleep: introduce qemu_co_sleep coroutine-sleep: replace QemuCoSleepState pointer with struct in the API coroutine-sleep: move timer out of QemuCoSleepState coroutine-sleep: allow qemu_co_sleep_wake that wakes nothing coroutine-sleep: disallow NULL QemuCoSleepState** argument coroutine-sleep: use a stack-allocated timer bitops.h: Improve find_xxx_bit() documentation multi-process: Initialize variables declared with g_auto* Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-05-21coroutine-sleep: introduce qemu_co_sleepPaolo Bonzini
Allow using QemuCoSleep to sleep forever until woken by qemu_co_sleep_wake. This makes the logic of qemu_co_sleep_ns_wakeable easy to understand. In the future we will introduce an API that can work even if the sleep and wake happen from different threads. For now, initializing w->to_wake after timer_mod is fine because the timer can only fire in the same AioContext. Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 20210517100548.28806-7-pbonzini@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2021-05-21coroutine-sleep: replace QemuCoSleepState pointer with struct in the APIPaolo Bonzini
Right now, users of qemu_co_sleep_ns_wakeable are simply passing a pointer to QemuCoSleepState by reference to the function. But QemuCoSleepState really is just a Coroutine*; making the content of the struct public is just as efficient and lets us skip the user_state_pointer indirection. Since the usage is changed, take the occasion to rename the struct to QemuCoSleep. Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 20210517100548.28806-6-pbonzini@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2021-05-21coroutine-sleep: disallow NULL QemuCoSleepState** argumentPaolo Bonzini
Simplify the code by removing conditionals. qemu_co_sleep_ns can simply point the argument to an on-stack temporary. Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 20210517100548.28806-3-pbonzini@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2021-05-21bitops.h: Improve find_xxx_bit() documentationPhilippe Mathieu-Daudé
Document the following functions return the bitmap size if no matching bit is found: - find_first_bit - find_next_bit - find_last_bit - find_first_zero_bit - find_next_zero_bit Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20210510200758.2623154-2-philmd@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2021-05-21ui/gtk: add clipboard supportGerd Hoffmann
This patch adds clipboard support to the qemu gtk ui. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-id: 20210519053940.1888907-1-kraxel@redhat.com Message-Id: <20210519053940.1888907-10-kraxel@redhat.com>
2021-05-21ui/gtk: move struct GtkDisplayState to ui/gtk.hGerd Hoffmann
Want place gtk clipboard code in a separate C file, which in turn requires GtkDisplayState being in a header file. So move it. No functional change. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-id: 20210519053940.1888907-1-kraxel@redhat.com Message-Id: <20210519053940.1888907-9-kraxel@redhat.com>
2021-05-21ui: add clipboard documentationGerd Hoffmann
Document clipboard infrastructure in qemu. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-id: 20210519053940.1888907-1-kraxel@redhat.com Message-Id: <20210519053940.1888907-4-kraxel@redhat.com>
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