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Searched refs:ioeventfd (Results 1 – 17 of 17) sorted by relevance

/openbmc/linux/drivers/vfio/pci/
H A Dvfio_pci_rdwr.c362 static void vfio_pci_ioeventfd_do_write(struct vfio_pci_ioeventfd *ioeventfd, in vfio_pci_ioeventfd_do_write() argument
365 switch (ioeventfd->count) { in vfio_pci_ioeventfd_do_write()
367 vfio_pci_iowrite8(ioeventfd->vdev, test_mem, in vfio_pci_ioeventfd_do_write()
368 ioeventfd->data, ioeventfd->addr); in vfio_pci_ioeventfd_do_write()
371 vfio_pci_iowrite16(ioeventfd->vdev, test_mem, in vfio_pci_ioeventfd_do_write()
372 ioeventfd->data, ioeventfd->addr); in vfio_pci_ioeventfd_do_write()
375 vfio_pci_iowrite32(ioeventfd->vdev, test_mem, in vfio_pci_ioeventfd_do_write()
376 ioeventfd->data, ioeventfd->addr); in vfio_pci_ioeventfd_do_write()
380 vfio_pci_iowrite64(ioeventfd->vdev, test_mem, in vfio_pci_ioeventfd_do_write()
381 ioeventfd->data, ioeventfd->addr); in vfio_pci_ioeventfd_do_write()
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H A Dvfio_pci_core.c565 struct vfio_pci_ioeventfd *ioeventfd, *ioeventfd_tmp; in vfio_pci_core_disable() local
602 list_for_each_entry_safe(ioeventfd, ioeventfd_tmp, in vfio_pci_core_disable()
604 vfio_virqfd_disable(&ioeventfd->virqfd); in vfio_pci_core_disable()
605 list_del(&ioeventfd->next); in vfio_pci_core_disable()
606 kfree(ioeventfd); in vfio_pci_core_disable()
1439 struct vfio_device_ioeventfd ioeventfd; in vfio_pci_ioctl_ioeventfd() local
1442 if (copy_from_user(&ioeventfd, arg, minsz)) in vfio_pci_ioctl_ioeventfd()
1445 if (ioeventfd.argsz < minsz) in vfio_pci_ioctl_ioeventfd()
1448 if (ioeventfd.flags & ~VFIO_DEVICE_IOEVENTFD_SIZE_MASK) in vfio_pci_ioctl_ioeventfd()
1451 count = ioeventfd.flags & VFIO_DEVICE_IOEVENTFD_SIZE_MASK; in vfio_pci_ioctl_ioeventfd()
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/openbmc/qemu/hw/vfio/
H A Dpci-quirks.c289 static void vfio_ioeventfd_exit(VFIOPCIDevice *vdev, VFIOIOEventFD *ioeventfd) in vfio_ioeventfd_exit() argument
291 QLIST_REMOVE(ioeventfd, next); in vfio_ioeventfd_exit()
292 memory_region_del_eventfd(ioeventfd->mr, ioeventfd->addr, ioeventfd->size, in vfio_ioeventfd_exit()
293 true, ioeventfd->data, &ioeventfd->e); in vfio_ioeventfd_exit()
295 if (ioeventfd->vfio) { in vfio_ioeventfd_exit()
299 vfio_ioeventfd.flags = ioeventfd->size; in vfio_ioeventfd_exit()
300 vfio_ioeventfd.data = ioeventfd->data; in vfio_ioeventfd_exit()
301 vfio_ioeventfd.offset = ioeventfd->region->fd_offset + in vfio_ioeventfd_exit()
302 ioeventfd->region_addr; in vfio_ioeventfd_exit()
308 memory_region_name(ioeventfd->mr), ioeventfd->addr, in vfio_ioeventfd_exit()
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/openbmc/linux/drivers/virt/acrn/
H A Dioeventfd.c53 struct hsm_ioeventfd *ioeventfd) in hsm_ioeventfd_is_conflict() argument
61 if (p->eventfd == ioeventfd->eventfd && in hsm_ioeventfd_is_conflict()
62 p->addr == ioeventfd->addr && in hsm_ioeventfd_is_conflict()
63 p->type == ioeventfd->type && in hsm_ioeventfd_is_conflict()
64 (p->wildcard || ioeventfd->wildcard || in hsm_ioeventfd_is_conflict()
65 p->data == ioeventfd->data)) in hsm_ioeventfd_is_conflict()
H A Dhsm.c115 struct acrn_ioeventfd ioeventfd; in acrn_dev_ioctl() local
402 if (copy_from_user(&ioeventfd, (void __user *)ioctl_param, in acrn_dev_ioctl()
403 sizeof(ioeventfd))) in acrn_dev_ioctl()
406 if (ioeventfd.reserved != 0) in acrn_dev_ioctl()
409 ret = acrn_ioeventfd_config(vm, &ioeventfd); in acrn_dev_ioctl()
H A DMakefile3 acrn-y := hsm.o vm.o mm.o ioreq.o ioeventfd.o irqfd.o
/openbmc/qemu/docs/
H A Dqdev-device-use.txt115 -device virtio-blk-pci,drive=DRIVE-ID,class=C,vectors=V,ioeventfd=IOEVENTFD
119 IOEVENTFD controls whether or not ioeventfd is used for virtqueue
264 For virtio-net-pci, you can control whether or not ioeventfd is used for
265 virtqueue notify by setting ioeventfd= to on or off (default).
/openbmc/linux/Documentation/virt/kvm/s390/
H A Ds390-diag.rst62 Handled by either userspace or KVM (ioeventfd case).
/openbmc/qemu/docs/devel/
H A Dvirtio-backends.rst106 DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
H A Dmultiple-iothreads.rst130 (via ioeventfd). To achieve both objects, wrap the code between
H A Dmemory.rst17 - setting up ioeventfd regions for kvm
157 ioeventfd) can be changed during the region lifecycle. They take effect
/openbmc/qemu/hw/nvme/
H A Dnvme.h541 bool ioeventfd; member
H A Dctrl.c4852 if (n->params.ioeventfd && sq->sqid != 0) { in nvme_init_sq()
5491 if (n->params.ioeventfd && cqid != 0) { in nvme_init_cq()
7159 if (n->params.ioeventfd && sq->sqid != 0) { in nvme_dbbuf_config()
7172 if (n->params.ioeventfd && cq->cqid != 0) { in nvme_dbbuf_config()
8947 DEFINE_PROP_BOOL("ioeventfd", NvmeCtrl, params.ioeventfd, false),
/openbmc/qemu/system/
H A Dmemory.c1632 MemoryRegionIoeventfd ioeventfd = { in memory_region_dispatch_write_eventfds() local
1639 ioeventfd.match_data = mr->ioeventfds[i].match_data; in memory_region_dispatch_write_eventfds()
1640 ioeventfd.e = mr->ioeventfds[i].e; in memory_region_dispatch_write_eventfds()
1642 if (memory_region_ioeventfd_equal(&ioeventfd, &mr->ioeventfds[i])) { in memory_region_dispatch_write_eventfds()
1643 event_notifier_set(ioeventfd.e); in memory_region_dispatch_write_eventfds()
/openbmc/linux/Documentation/virt/kvm/
H A Dapi.rst2009 This ioctl attaches or detaches an ioeventfd to a legal pio/mmio address
2041 With KVM_CAP_IOEVENTFD_ANY_LENGTH, a zero length ioeventfd is allowed, and
2043 The speedup may only apply to specific architectures, but the ioeventfd will
/openbmc/linux/
H A Dopengrok0.0.log[all...]
H A Dopengrok2.0.log[all...]