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638ac1c784
Rename APIC helper functions to use an accel_* prefix instead of kvm_* to support use by accelerators other than KVM. This is a preparatory step for integrating MSHV support with common APIC logic. Signed-off-by: Magnus Kulke <magnuskulke@linux.microsoft.com> Link: https://lore.kernel.org/r/20250916164847.77883-5-magnuskulke@linux.microsoft.com [Remove dead definition of mshv_msi_via_irqfd_enabled. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
107 lines
2.5 KiB
C
107 lines
2.5 KiB
C
/*
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* Accelerated irqchip abstraction
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*
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* Copyright Microsoft, Corp. 2025
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*
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* Authors: Ziqiao Zhou <ziqiaozhou@microsoft.com>
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* Magnus Kulke <magnuskulke@microsoft.com>
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "qemu/osdep.h"
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#include "hw/pci/msi.h"
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#include "system/kvm.h"
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#include "system/mshv.h"
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#include "system/accel-irq.h"
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int accel_irqchip_add_msi_route(KVMRouteChange *c, int vector, PCIDevice *dev)
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{
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#ifdef CONFIG_MSHV_IS_POSSIBLE
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if (mshv_msi_via_irqfd_enabled()) {
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return mshv_irqchip_add_msi_route(vector, dev);
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}
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#endif
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if (kvm_enabled()) {
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return kvm_irqchip_add_msi_route(c, vector, dev);
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}
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return -ENOSYS;
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}
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int accel_irqchip_update_msi_route(int vector, MSIMessage msg, PCIDevice *dev)
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{
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#ifdef CONFIG_MSHV_IS_POSSIBLE
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if (mshv_msi_via_irqfd_enabled()) {
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return mshv_irqchip_update_msi_route(vector, msg, dev);
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}
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#endif
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if (kvm_enabled()) {
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return kvm_irqchip_update_msi_route(kvm_state, vector, msg, dev);
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}
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return -ENOSYS;
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}
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void accel_irqchip_commit_route_changes(KVMRouteChange *c)
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{
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#ifdef CONFIG_MSHV_IS_POSSIBLE
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if (mshv_msi_via_irqfd_enabled()) {
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mshv_irqchip_commit_routes();
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}
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#endif
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if (kvm_enabled()) {
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kvm_irqchip_commit_route_changes(c);
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}
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}
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void accel_irqchip_commit_routes(void)
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{
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#ifdef CONFIG_MSHV_IS_POSSIBLE
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if (mshv_msi_via_irqfd_enabled()) {
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mshv_irqchip_commit_routes();
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}
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#endif
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if (kvm_enabled()) {
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kvm_irqchip_commit_routes(kvm_state);
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}
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}
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void accel_irqchip_release_virq(int virq)
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{
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#ifdef CONFIG_MSHV_IS_POSSIBLE
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if (mshv_msi_via_irqfd_enabled()) {
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mshv_irqchip_release_virq(virq);
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}
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#endif
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if (kvm_enabled()) {
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kvm_irqchip_release_virq(kvm_state, virq);
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}
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}
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int accel_irqchip_add_irqfd_notifier_gsi(EventNotifier *n, EventNotifier *rn,
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int virq)
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{
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#ifdef CONFIG_MSHV_IS_POSSIBLE
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if (mshv_msi_via_irqfd_enabled()) {
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return mshv_irqchip_add_irqfd_notifier_gsi(n, rn, virq);
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}
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#endif
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if (kvm_enabled()) {
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return kvm_irqchip_add_irqfd_notifier_gsi(kvm_state, n, rn, virq);
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}
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return -ENOSYS;
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}
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int accel_irqchip_remove_irqfd_notifier_gsi(EventNotifier *n, int virq)
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{
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#ifdef CONFIG_MSHV_IS_POSSIBLE
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if (mshv_msi_via_irqfd_enabled()) {
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return mshv_irqchip_remove_irqfd_notifier_gsi(n, virq);
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}
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#endif
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if (kvm_enabled()) {
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return kvm_irqchip_remove_irqfd_notifier_gsi(kvm_state, n, virq);
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}
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return -ENOSYS;
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}
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