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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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03f0c94c73
Connect to the new VGIC to the irqfd framework, so that we can inject IRQs. GSI routing and MSI routing is not yet implemented. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/*
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* Copyright (C) 2015, 2016 ARM Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/kvm.h>
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#include <linux/kvm_host.h>
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#include <trace/events/kvm.h>
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int kvm_irq_map_gsi(struct kvm *kvm,
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struct kvm_kernel_irq_routing_entry *entries,
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int gsi)
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{
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return 0;
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}
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int kvm_irq_map_chip_pin(struct kvm *kvm, unsigned int irqchip,
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unsigned int pin)
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{
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return pin;
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}
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int kvm_set_irq(struct kvm *kvm, int irq_source_id,
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u32 irq, int level, bool line_status)
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{
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unsigned int spi = irq + VGIC_NR_PRIVATE_IRQS;
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trace_kvm_set_irq(irq, level, irq_source_id);
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BUG_ON(!vgic_initialized(kvm));
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return kvm_vgic_inject_irq(kvm, 0, spi, level);
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}
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/* MSI not implemented yet */
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int kvm_set_msi(struct kvm_kernel_irq_routing_entry *e,
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struct kvm *kvm, int irq_source_id,
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int level, bool line_status)
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{
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return 0;
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}
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