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Searched refs:irqfd (Results 1 – 16 of 16) sorted by relevance

/linux-6.15/drivers/virt/acrn/
H A Dirqfd.c46 irqfd->msi.msi_data); in acrn_irqfd_inject()
57 eventfd_ctx_remove_wait_queue(irqfd->eventfd, &irqfd->wait, &cnt); in hsm_irqfd_shutdown()
59 kfree(irqfd); in hsm_irqfd_shutdown()
64 struct hsm_irqfd *irqfd; in hsm_irqfd_shutdown_work() local
68 vm = irqfd->vm; in hsm_irqfd_shutdown_work()
80 struct hsm_irqfd *irqfd; in hsm_irqfd_wakeup() local
84 vm = irqfd->vm; in hsm_irqfd_wakeup()
117 irqfd = kzalloc(sizeof(*irqfd), GFP_KERNEL); in acrn_irqfd_assign()
118 if (!irqfd) in acrn_irqfd_assign()
121 irqfd->vm = vm; in acrn_irqfd_assign()
[all …]
H A DMakefile3 acrn-y := hsm.o vm.o mm.o ioreq.o ioeventfd.o irqfd.o
H A Dhsm.c120 struct acrn_irqfd irqfd; in acrn_dev_ioctl() local
412 if (copy_from_user(&irqfd, (void __user *)ioctl_param, in acrn_dev_ioctl()
413 sizeof(irqfd))) in acrn_dev_ioctl()
415 ret = acrn_irqfd_config(vm, &irqfd); in acrn_dev_ioctl()
/linux-6.15/drivers/hv/
H A Dmshv_eventfd.c81 struct mshv_irqfd *irqfd; in mshv_irqfd_resampler_ack() local
244 struct mshv_irqfd *irqfd = in mshv_irqfd_shutdown() local
251 remove_wait_queue(irqfd->irqfd_wqh, &irqfd->irqfd_wait); in mshv_irqfd_shutdown()
262 kfree(irqfd); in mshv_irqfd_shutdown()
350 mshv_copy_girq_info(&irqfd->irqfd_girq_ent, &irqfd->irqfd_lapic_irq); in mshv_irqfd_update()
356 struct mshv_irqfd *irqfd; in mshv_irqfd_routing_update() local
370 irqfd->irqfd_wqh = wqh; in mshv_irqfd_queue_proc()
384 irqfd = kzalloc(sizeof(*irqfd), GFP_KERNEL); in mshv_irqfd_assign()
385 if (!irqfd) in mshv_irqfd_assign()
388 irqfd->irqfd_partn = pt; in mshv_irqfd_assign()
[all …]
/linux-6.15/virt/kvm/
H A Deventfd.c48 if (!irqfd->resampler) { in irqfd_inject()
136 eventfd_ctx_remove_wait_queue(irqfd->eventfd, &irqfd->wait, &cnt); in irqfd_shutdown()
156 kfree(irqfd); in irqfd_shutdown()
318 irqfd = kzalloc(sizeof(*irqfd), GFP_KERNEL_ACCOUNT); in kvm_irqfd_assign()
319 if (!irqfd) in kvm_irqfd_assign()
322 irqfd->kvm = kvm; in kvm_irqfd_assign()
386 list_add_rcu(&irqfd->resampler_link, &irqfd->resampler->list); in kvm_irqfd_assign()
429 irqfd->consumer.token = (void *)irqfd->eventfd; in kvm_irqfd_assign()
455 kfree(irqfd); in kvm_irqfd_assign()
538 if (irqfd->eventfd == eventfd && irqfd->gsi == args->gsi) { in kvm_irqfd_deassign()
[all …]
/linux-6.15/drivers/vfio/
H A Dvirqfd.c135 CLASS(fd, irqfd)(fd); in vfio_virqfd_enable()
136 if (fd_empty(irqfd)) { in vfio_virqfd_enable()
141 ctx = eventfd_ctx_fileget(fd_file(irqfd)); in vfio_virqfd_enable()
173 events = vfs_poll(fd_file(irqfd), &virqfd->pt); in vfio_virqfd_enable()
/linux-6.15/drivers/xen/
H A Dprivcmd.c971 CLASS(fd, f)(irqfd->fd); in privcmd_irqfd_assign()
978 if (copy_from_user(dm_op, u64_to_user_ptr(irqfd->dm_op), irqfd->size)) { in privcmd_irqfd_assign()
983 kirqfd->xbufs.size = irqfd->size; in privcmd_irqfd_assign()
985 kirqfd->dom = irqfd->dom; in privcmd_irqfd_assign()
1045 eventfd = eventfd_ctx_fdget(irqfd->fd); in privcmd_irqfd_deassign()
1075 struct privcmd_irqfd irqfd; in privcmd_ioctl_irqfd() local
1077 if (copy_from_user(&irqfd, udata, sizeof(irqfd))) in privcmd_ioctl_irqfd()
1081 if (irqfd.flags & ~PRIVCMD_IRQFD_FLAG_DEASSIGN) in privcmd_ioctl_irqfd()
1088 if (irqfd.flags & PRIVCMD_IRQFD_FLAG_DEASSIGN) in privcmd_ioctl_irqfd()
1089 return privcmd_irqfd_deassign(&irqfd); in privcmd_ioctl_irqfd()
[all …]
H A DKconfig273 bool "Xen Ioeventfd and irqfd support"
276 Using the ioeventfd / irqfd mechanism a virtio backend running in a
/linux-6.15/arch/loongarch/kvm/
H A DMakefile22 kvm-y += irqfd.o
/linux-6.15/arch/arm64/kvm/
H A Darm.c2749 struct kvm_kernel_irqfd *irqfd = in kvm_arch_irq_bypass_add_producer() local
2751 struct kvm_kernel_irq_routing_entry *irq_entry = &irqfd->irq_entry; in kvm_arch_irq_bypass_add_producer()
2760 return kvm_vgic_v4_set_forwarding(irqfd->kvm, prod->irq, in kvm_arch_irq_bypass_add_producer()
2761 &irqfd->irq_entry); in kvm_arch_irq_bypass_add_producer()
2766 struct kvm_kernel_irqfd *irqfd = in kvm_arch_irq_bypass_del_producer() local
2773 kvm_vgic_v4_unset_forwarding(irqfd->kvm, prod->irq, in kvm_arch_irq_bypass_del_producer()
2774 &irqfd->irq_entry); in kvm_arch_irq_bypass_del_producer()
2779 struct kvm_kernel_irqfd *irqfd = in kvm_arch_irq_bypass_stop() local
2782 kvm_arm_halt_guest(irqfd->kvm); in kvm_arch_irq_bypass_stop()
2787 struct kvm_kernel_irqfd *irqfd = in kvm_arch_irq_bypass_start() local
[all …]
H A DMakefile22 vgic/vgic-irqfd.o vgic/vgic-v2.o \
/linux-6.15/tools/testing/selftests/kvm/arm64/
H A Dvgic_irq.c629 struct kvm_irqfd irqfd = { in kvm_routing_and_irqfd_check() local
634 vm_ioctl(vm, KVM_IRQFD, &irqfd); in kvm_routing_and_irqfd_check()
/linux-6.15/arch/powerpc/kvm/
H A Dbook3s_hv.c6112 struct kvm_kernel_irqfd *irqfd = in kvmppc_irq_bypass_add_producer_hv() local
6115 irqfd->producer = prod; in kvmppc_irq_bypass_add_producer_hv()
6117 ret = kvmppc_set_passthru_irq(irqfd->kvm, prod->irq, irqfd->gsi); in kvmppc_irq_bypass_add_producer_hv()
6120 prod->irq, irqfd->gsi, ret); in kvmppc_irq_bypass_add_producer_hv()
6129 struct kvm_kernel_irqfd *irqfd = in kvmppc_irq_bypass_del_producer_hv() local
6132 irqfd->producer = NULL; in kvmppc_irq_bypass_del_producer_hv()
6139 ret = kvmppc_clr_passthru_irq(irqfd->kvm, prod->irq, irqfd->gsi); in kvmppc_irq_bypass_del_producer_hv()
6142 prod->irq, irqfd->gsi, ret); in kvmppc_irq_bypass_del_producer_hv()
H A Dpowerpc.c861 struct kvm_kernel_irqfd *irqfd = in kvm_arch_irq_bypass_add_producer() local
863 struct kvm *kvm = irqfd->kvm; in kvm_arch_irq_bypass_add_producer()
874 struct kvm_kernel_irqfd *irqfd = in kvm_arch_irq_bypass_del_producer() local
876 struct kvm *kvm = irqfd->kvm; in kvm_arch_irq_bypass_del_producer()
/linux-6.15/arch/x86/kvm/
H A Dx86.c13565 struct kvm_kernel_irqfd *irqfd = in kvm_arch_irq_bypass_add_producer() local
13567 struct kvm *kvm = irqfd->kvm; in kvm_arch_irq_bypass_add_producer()
13573 irqfd->producer = prod; in kvm_arch_irq_bypass_add_producer()
13576 prod->irq, irqfd->gsi, 1); in kvm_arch_irq_bypass_add_producer()
13578 kvm_arch_end_assignment(irqfd->kvm); in kvm_arch_irq_bypass_add_producer()
13590 struct kvm_kernel_irqfd *irqfd = in kvm_arch_irq_bypass_del_producer() local
13592 struct kvm *kvm = irqfd->kvm; in kvm_arch_irq_bypass_del_producer()
13594 WARN_ON(irqfd->producer != prod); in kvm_arch_irq_bypass_del_producer()
13603 irqfd->producer = NULL; in kvm_arch_irq_bypass_del_producer()
13606 prod->irq, irqfd->gsi, 0); in kvm_arch_irq_bypass_del_producer()
[all …]
/linux-6.15/Documentation/virt/kvm/
H A Dapi.rst3159 the guest using the specified gsi pin. The irqfd is removed using
3164 mechanism allowing emulation of level-triggered, irqfd-based
3173 irqfd. The KVM_IRQFD_FLAG_RESAMPLE is only necessary on assignment