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23374a84c5
qemu/hw/virtio
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Raphael Norwitz 23374a84c5 Add vhost-user helper to get MemoryRegion data 
When setting the memory tables, qemu uses a memory region's userspace
address to look up the region's MemoryRegion struct. Among other things,
the MemoryRegion contains the region's offset and associated file
descriptor, all of which need to be sent to the backend.

With VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS, this logic will be
needed in multiple places, so before feature support is added it
should be moved to a helper function.

This helper is also used to simplify the vhost_user_can_merge()
function.

Signed-off-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Message-Id: <1588533678-23450-3-git-send-email-raphael.norwitz@nutanix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2020-06-09 14:18:04 -04:00
..
Kconfig virtio-iommu: depend on PCI 2020-04-01 19:00:16 +02:00
Makefile.objs virtio-iommu-pci: Add virtio iommu pci support 2020-02-27 03:46:10 -05:00
trace-events virtio-iommu: Implement fault reporting 2020-02-27 03:46:10 -05:00
vhost-backend.c Include qemu/main-loop.h less 2019-08-16 13:31:52 +02:00
vhost-scsi-pci.c qom: Drop parameter @errp of object_property_add() & friends 2020-05-15 07:07:58 +02:00
vhost-stub.c vhost-user: simplify vhost_user_init/vhost_user_cleanup 2019-03-12 21:22:31 -04:00
vhost-user-blk-pci.c qom: Drop parameter @errp of object_property_add() & friends 2020-05-15 07:07:58 +02:00
vhost-user-fs-pci.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
vhost-user-fs.c qdev: Unrealize must not fail 2020-05-15 07:08:14 +02:00
vhost-user-input-pci.c qom: Drop parameter @errp of object_property_add() & friends 2020-05-15 07:07:58 +02:00
vhost-user-scsi-pci.c qom: Drop parameter @errp of object_property_add() & friends 2020-05-15 07:07:58 +02:00
vhost-user.c Add vhost-user helper to get MemoryRegion data 2020-06-09 14:18:04 -04:00
vhost-vsock-pci.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
vhost-vsock.c qdev: Unrealize must not fail 2020-05-15 07:08:14 +02:00
vhost.c vhost-user-blk: fix invalid memory access 2020-05-04 10:25:02 -04:00
virtio-9p-pci.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
virtio-balloon-pci.c qom: Drop parameter @errp of object_property_add() & friends 2020-05-15 07:07:58 +02:00
virtio-balloon.c virtio-balloon: Provide an interface for free page reporting 2020-06-09 14:18:04 -04:00
virtio-blk-pci.c qom: Drop parameter @errp of object_property_add() & friends 2020-05-15 07:07:58 +02:00
virtio-bus.c virtio: notify virtqueue via host notifier when available 2019-11-06 06:35:00 -05:00
virtio-crypto-pci.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
virtio-crypto.c qdev: Unrealize must not fail 2020-05-15 07:08:14 +02:00
virtio-input-host-pci.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
virtio-input-pci.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
virtio-iommu-pci.c virtio-iommu-pci: Add virtio iommu pci support 2020-02-27 03:46:10 -05:00
virtio-iommu.c qdev: Unrealize must not fail 2020-05-15 07:08:14 +02:00
virtio-mmio.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
virtio-net-pci.c qom: Drop parameter @errp of object_property_add() & friends 2020-05-15 07:07:58 +02:00
virtio-pci.c virtio-pci: update virtio pci bar layout documentation 2020-05-04 10:25:02 -04:00
virtio-pci.h virtio-pci: Add Function Level Reset support 2019-09-04 06:33:10 -04:00
virtio-pmem-pci.c virtio pmem: remove transitional names 2019-07-12 10:57:27 -04:00
virtio-pmem-pci.h virtio-pci: Proxy for virtio-pmem 2019-07-04 17:00:32 -04:00
virtio-pmem.c qdev: Unrealize must not fail 2020-05-15 07:08:14 +02:00
virtio-rng-pci.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
virtio-rng.c qdev: Unrealize must not fail 2020-05-15 07:08:14 +02:00
virtio-scsi-pci.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
virtio-serial-pci.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
virtio.c qdev: Unrealize must not fail 2020-05-15 07:08:14 +02:00