--- zzzz-none-000/linux-3.10.107/drivers/iommu/irq_remapping.h 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/iommu/irq_remapping.h 2021-02-04 17:41:59.000000000 +0000 @@ -1,6 +1,6 @@ /* * Copyright (C) 2012 Advanced Micro Devices, Inc. - * Author: Joerg Roedel + * Author: Joerg Roedel * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published @@ -24,22 +24,21 @@ #ifdef CONFIG_IRQ_REMAP -struct IO_APIC_route_entry; -struct io_apic_irq_attr; struct irq_data; -struct cpumask; -struct pci_dev; struct msi_msg; +struct irq_domain; +struct irq_alloc_info; -extern int disable_irq_remap; extern int irq_remap_broken; extern int disable_sourceid_checking; extern int no_x2apic_optout; extern int irq_remapping_enabled; +extern int disable_irq_post; + struct irq_remap_ops { - /* Check whether Interrupt Remapping is supported */ - int (*supported)(void); + /* The supported capabilities */ + int capability; /* Initializes hardware and makes it ready for remapping interrupts */ int (*prepare)(void); @@ -56,41 +55,23 @@ /* Enable fault handling */ int (*enable_faulting)(void); - /* IO-APIC setup routine */ - int (*setup_ioapic_entry)(int irq, struct IO_APIC_route_entry *, - unsigned int, int, - struct io_apic_irq_attr *); - - /* Set the CPU affinity of a remapped interrupt */ - int (*set_affinity)(struct irq_data *data, const struct cpumask *mask, - bool force); - - /* Free an IRQ */ - int (*free_irq)(int); - - /* Create MSI msg to use for interrupt remapping */ - void (*compose_msi_msg)(struct pci_dev *, - unsigned int, unsigned int, - struct msi_msg *, u8); - - /* Allocate remapping resources for MSI */ - int (*msi_alloc_irq)(struct pci_dev *, int, int); + /* Get the irqdomain associated the IOMMU device */ + struct irq_domain *(*get_ir_irq_domain)(struct irq_alloc_info *); - /* Setup the remapped MSI irq */ - int (*msi_setup_irq)(struct pci_dev *, unsigned int, int, int); - - /* Setup interrupt remapping for an HPET MSI */ - int (*setup_hpet_msi)(unsigned int, unsigned int); + /* Get the MSI irqdomain associated with the IOMMU device */ + struct irq_domain *(*get_irq_domain)(struct irq_alloc_info *); }; extern struct irq_remap_ops intel_irq_remap_ops; extern struct irq_remap_ops amd_iommu_irq_ops; +extern void ir_ack_apic_edge(struct irq_data *data); + #else /* CONFIG_IRQ_REMAP */ #define irq_remapping_enabled 0 -#define disable_irq_remap 1 #define irq_remap_broken 0 +#define disable_irq_post 1 #endif /* CONFIG_IRQ_REMAP */