/* SPDX-License-Identifier: MIT */ #ifndef __XEN_PUBLIC_PHYSDEV_H__ #define __XEN_PUBLIC_PHYSDEV_H__ /* * Prototype for this hypercall is: * int physdev_op(int cmd, void *args) * @cmd == PHYSDEVOP_??? (physdev operation). * @args == Operation-specific extra arguments (NULL if none). */ /* * Notify end-of-interrupt (EOI) for the specified IRQ. * @arg == pointer to physdev_eoi structure. */ #define PHYSDEVOP_eoi … struct physdev_eoi { … }; /* * Register a shared page for the hypervisor to indicate whether the guest * must issue PHYSDEVOP_eoi. The semantics of PHYSDEVOP_eoi change slightly * once the guest used this function in that the associated event channel * will automatically get unmasked. The page registered is used as a bit * array indexed by Xen's PIRQ value. */ #define PHYSDEVOP_pirq_eoi_gmfn_v1 … /* * Register a shared page for the hypervisor to indicate whether the * guest must issue PHYSDEVOP_eoi. This hypercall is very similar to * PHYSDEVOP_pirq_eoi_gmfn_v1 but it doesn't change the semantics of * PHYSDEVOP_eoi. The page registered is used as a bit array indexed by * Xen's PIRQ value. */ #define PHYSDEVOP_pirq_eoi_gmfn_v2 … struct physdev_pirq_eoi_gmfn { … }; /* * Query the status of an IRQ line. * @arg == pointer to physdev_irq_status_query structure. */ #define PHYSDEVOP_irq_status_query … struct physdev_irq_status_query { … }; /* Need to call PHYSDEVOP_eoi when the IRQ has been serviced? */ #define _XENIRQSTAT_needs_eoi … #define XENIRQSTAT_needs_eoi … /* IRQ shared by multiple guests? */ #define _XENIRQSTAT_shared … #define XENIRQSTAT_shared … /* * Set the current VCPU's I/O privilege level. * @arg == pointer to physdev_set_iopl structure. */ #define PHYSDEVOP_set_iopl … struct physdev_set_iopl { … }; /* * Set the current VCPU's I/O-port permissions bitmap. * @arg == pointer to physdev_set_iobitmap structure. */ #define PHYSDEVOP_set_iobitmap … struct physdev_set_iobitmap { … }; /* * Read or write an IO-APIC register. * @arg == pointer to physdev_apic structure. */ #define PHYSDEVOP_apic_read … #define PHYSDEVOP_apic_write … struct physdev_apic { … }; /* * Allocate or free a physical upcall vector for the specified IRQ line. * @arg == pointer to physdev_irq structure. */ #define PHYSDEVOP_alloc_irq_vector … #define PHYSDEVOP_free_irq_vector … struct physdev_irq { … }; #define MAP_PIRQ_TYPE_MSI … #define MAP_PIRQ_TYPE_GSI … #define MAP_PIRQ_TYPE_UNKNOWN … #define MAP_PIRQ_TYPE_MSI_SEG … #define MAP_PIRQ_TYPE_MULTI_MSI … #define PHYSDEVOP_map_pirq … struct physdev_map_pirq { … }; #define PHYSDEVOP_unmap_pirq … struct physdev_unmap_pirq { … }; #define PHYSDEVOP_manage_pci_add … #define PHYSDEVOP_manage_pci_remove … struct physdev_manage_pci { … }; #define PHYSDEVOP_restore_msi … struct physdev_restore_msi { … }; #define PHYSDEVOP_manage_pci_add_ext … struct physdev_manage_pci_ext { … }; /* * Argument to physdev_op_compat() hypercall. Superceded by new physdev_op() * hypercall since 0x00030202. */ struct physdev_op { … }; #define PHYSDEVOP_setup_gsi … struct physdev_setup_gsi { … }; #define PHYSDEVOP_get_nr_pirqs … struct physdev_nr_pirqs { … }; /* type is MAP_PIRQ_TYPE_GSI or MAP_PIRQ_TYPE_MSI * the hypercall returns a free pirq */ #define PHYSDEVOP_get_free_pirq … struct physdev_get_free_pirq { … }; #define XEN_PCI_DEV_EXTFN … #define XEN_PCI_DEV_VIRTFN … #define XEN_PCI_DEV_PXM … #define XEN_PCI_MMCFG_RESERVED … #define PHYSDEVOP_pci_mmcfg_reserved … struct physdev_pci_mmcfg_reserved { … }; #define PHYSDEVOP_pci_device_add … struct physdev_pci_device_add { … }; #define PHYSDEVOP_pci_device_remove … #define PHYSDEVOP_restore_msi_ext … /* * Dom0 should use these two to announce MMIO resources assigned to * MSI-X capable devices won't (prepare) or may (release) change. */ #define PHYSDEVOP_prepare_msix … #define PHYSDEVOP_release_msix … struct physdev_pci_device { … }; #define PHYSDEVOP_DBGP_RESET_PREPARE … #define PHYSDEVOP_DBGP_RESET_DONE … #define PHYSDEVOP_DBGP_BUS_UNKNOWN … #define PHYSDEVOP_DBGP_BUS_PCI … #define PHYSDEVOP_dbgp_op … struct physdev_dbgp_op { … }; /* * Notify that some PIRQ-bound event channels have been unmasked. * ** This command is obsolete since interface version 0x00030202 and is ** * ** unsupported by newer versions of Xen. ** */ #define PHYSDEVOP_IRQ_UNMASK_NOTIFY … /* * These all-capitals physdev operation names are superceded by the new names * (defined above) since interface version 0x00030202. */ #define PHYSDEVOP_IRQ_STATUS_QUERY … #define PHYSDEVOP_SET_IOPL … #define PHYSDEVOP_SET_IOBITMAP … #define PHYSDEVOP_APIC_READ … #define PHYSDEVOP_APIC_WRITE … #define PHYSDEVOP_ASSIGN_VECTOR … #define PHYSDEVOP_FREE_VECTOR … #define PHYSDEVOP_IRQ_NEEDS_UNMASK_NOTIFY … #define PHYSDEVOP_IRQ_SHARED … #endif /* __XEN_PUBLIC_PHYSDEV_H__ */
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