8ac98aedda
... in order to advertise the XEN_HVM_CPUID_UPCALL_VECTOR feature, which will come in a subsequent commit. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Acked-by: Paul Durrant <paul@xen.org>
367 lines
10 KiB
C
367 lines
10 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright (c) 2006, Keir Fraser
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*/
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#ifndef __XEN_PUBLIC_PHYSDEV_H__
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#define __XEN_PUBLIC_PHYSDEV_H__
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#include "xen.h"
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/*
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* Prototype for this hypercall is:
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* int physdev_op(int cmd, void *args)
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* @cmd == PHYSDEVOP_??? (physdev operation).
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* @args == Operation-specific extra arguments (NULL if none).
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*/
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/*
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* Notify end-of-interrupt (EOI) for the specified IRQ.
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* @arg == pointer to physdev_eoi structure.
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*/
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#define PHYSDEVOP_eoi 12
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struct physdev_eoi {
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/* IN */
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uint32_t irq;
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};
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typedef struct physdev_eoi physdev_eoi_t;
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DEFINE_XEN_GUEST_HANDLE(physdev_eoi_t);
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/*
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* Register a shared page for the hypervisor to indicate whether the guest
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* must issue PHYSDEVOP_eoi. The semantics of PHYSDEVOP_eoi change slightly
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* once the guest used this function in that the associated event channel
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* will automatically get unmasked. The page registered is used as a bit
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* array indexed by Xen's PIRQ value.
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*/
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#define PHYSDEVOP_pirq_eoi_gmfn_v1 17
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/*
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* Register a shared page for the hypervisor to indicate whether the
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* guest must issue PHYSDEVOP_eoi. This hypercall is very similar to
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* PHYSDEVOP_pirq_eoi_gmfn_v1 but it doesn't change the semantics of
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* PHYSDEVOP_eoi. The page registered is used as a bit array indexed by
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* Xen's PIRQ value.
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*/
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#define PHYSDEVOP_pirq_eoi_gmfn_v2 28
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struct physdev_pirq_eoi_gmfn {
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/* IN */
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xen_pfn_t gmfn;
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};
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typedef struct physdev_pirq_eoi_gmfn physdev_pirq_eoi_gmfn_t;
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DEFINE_XEN_GUEST_HANDLE(physdev_pirq_eoi_gmfn_t);
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/*
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* Query the status of an IRQ line.
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* @arg == pointer to physdev_irq_status_query structure.
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*/
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#define PHYSDEVOP_irq_status_query 5
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struct physdev_irq_status_query {
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/* IN */
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uint32_t irq;
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/* OUT */
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uint32_t flags; /* XENIRQSTAT_* */
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};
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typedef struct physdev_irq_status_query physdev_irq_status_query_t;
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DEFINE_XEN_GUEST_HANDLE(physdev_irq_status_query_t);
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/* Need to call PHYSDEVOP_eoi when the IRQ has been serviced? */
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#define _XENIRQSTAT_needs_eoi (0)
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#define XENIRQSTAT_needs_eoi (1U<<_XENIRQSTAT_needs_eoi)
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/* IRQ shared by multiple guests? */
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#define _XENIRQSTAT_shared (1)
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#define XENIRQSTAT_shared (1U<<_XENIRQSTAT_shared)
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/*
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* Set the current VCPU's I/O privilege level.
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* @arg == pointer to physdev_set_iopl structure.
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*/
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#define PHYSDEVOP_set_iopl 6
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struct physdev_set_iopl {
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/* IN */
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uint32_t iopl;
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};
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typedef struct physdev_set_iopl physdev_set_iopl_t;
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DEFINE_XEN_GUEST_HANDLE(physdev_set_iopl_t);
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/*
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* Set the current VCPU's I/O-port permissions bitmap.
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* @arg == pointer to physdev_set_iobitmap structure.
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*/
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#define PHYSDEVOP_set_iobitmap 7
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struct physdev_set_iobitmap {
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/* IN */
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#if __XEN_INTERFACE_VERSION__ >= 0x00030205
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XEN_GUEST_HANDLE(uint8) bitmap;
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#else
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uint8_t *bitmap;
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#endif
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uint32_t nr_ports;
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};
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typedef struct physdev_set_iobitmap physdev_set_iobitmap_t;
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DEFINE_XEN_GUEST_HANDLE(physdev_set_iobitmap_t);
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/*
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* Read or write an IO-APIC register.
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* @arg == pointer to physdev_apic structure.
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*/
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#define PHYSDEVOP_apic_read 8
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#define PHYSDEVOP_apic_write 9
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struct physdev_apic {
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/* IN */
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unsigned long apic_physbase;
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uint32_t reg;
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/* IN or OUT */
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uint32_t value;
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};
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typedef struct physdev_apic physdev_apic_t;
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DEFINE_XEN_GUEST_HANDLE(physdev_apic_t);
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/*
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* Allocate or free a physical upcall vector for the specified IRQ line.
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* @arg == pointer to physdev_irq structure.
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*/
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#define PHYSDEVOP_alloc_irq_vector 10
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#define PHYSDEVOP_free_irq_vector 11
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struct physdev_irq {
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/* IN */
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uint32_t irq;
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/* IN or OUT */
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uint32_t vector;
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};
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typedef struct physdev_irq physdev_irq_t;
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DEFINE_XEN_GUEST_HANDLE(physdev_irq_t);
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#define MAP_PIRQ_TYPE_MSI 0x0
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#define MAP_PIRQ_TYPE_GSI 0x1
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#define MAP_PIRQ_TYPE_UNKNOWN 0x2
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#define MAP_PIRQ_TYPE_MSI_SEG 0x3
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#define MAP_PIRQ_TYPE_MULTI_MSI 0x4
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#define PHYSDEVOP_map_pirq 13
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struct physdev_map_pirq {
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domid_t domid;
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/* IN */
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int type;
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/* IN (ignored for ..._MULTI_MSI) */
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int index;
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/* IN or OUT */
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int pirq;
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/* IN - high 16 bits hold segment for ..._MSI_SEG and ..._MULTI_MSI */
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int bus;
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/* IN */
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int devfn;
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/* IN (also OUT for ..._MULTI_MSI) */
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int entry_nr;
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/* IN */
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uint64_t table_base;
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};
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typedef struct physdev_map_pirq physdev_map_pirq_t;
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DEFINE_XEN_GUEST_HANDLE(physdev_map_pirq_t);
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#define PHYSDEVOP_unmap_pirq 14
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struct physdev_unmap_pirq {
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domid_t domid;
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/* IN */
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int pirq;
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};
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typedef struct physdev_unmap_pirq physdev_unmap_pirq_t;
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DEFINE_XEN_GUEST_HANDLE(physdev_unmap_pirq_t);
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#define PHYSDEVOP_manage_pci_add 15
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#define PHYSDEVOP_manage_pci_remove 16
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struct physdev_manage_pci {
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/* IN */
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uint8_t bus;
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uint8_t devfn;
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};
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typedef struct physdev_manage_pci physdev_manage_pci_t;
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DEFINE_XEN_GUEST_HANDLE(physdev_manage_pci_t);
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#define PHYSDEVOP_restore_msi 19
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struct physdev_restore_msi {
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/* IN */
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uint8_t bus;
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uint8_t devfn;
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};
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typedef struct physdev_restore_msi physdev_restore_msi_t;
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DEFINE_XEN_GUEST_HANDLE(physdev_restore_msi_t);
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#define PHYSDEVOP_manage_pci_add_ext 20
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struct physdev_manage_pci_ext {
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/* IN */
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uint8_t bus;
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uint8_t devfn;
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uint32_t is_extfn;
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uint32_t is_virtfn;
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struct {
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uint8_t bus;
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uint8_t devfn;
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} physfn;
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};
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typedef struct physdev_manage_pci_ext physdev_manage_pci_ext_t;
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DEFINE_XEN_GUEST_HANDLE(physdev_manage_pci_ext_t);
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/*
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* Argument to physdev_op_compat() hypercall. Superceded by new physdev_op()
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* hypercall since 0x00030202.
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*/
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struct physdev_op {
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uint32_t cmd;
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union {
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physdev_irq_status_query_t irq_status_query;
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physdev_set_iopl_t set_iopl;
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physdev_set_iobitmap_t set_iobitmap;
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physdev_apic_t apic_op;
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physdev_irq_t irq_op;
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} u;
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};
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typedef struct physdev_op physdev_op_t;
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DEFINE_XEN_GUEST_HANDLE(physdev_op_t);
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#define PHYSDEVOP_setup_gsi 21
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struct physdev_setup_gsi {
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int gsi;
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/* IN */
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uint8_t triggering;
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/* IN */
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uint8_t polarity;
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/* IN */
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};
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typedef struct physdev_setup_gsi physdev_setup_gsi_t;
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DEFINE_XEN_GUEST_HANDLE(physdev_setup_gsi_t);
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/* leave PHYSDEVOP 22 free */
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/* type is MAP_PIRQ_TYPE_GSI or MAP_PIRQ_TYPE_MSI
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* the hypercall returns a free pirq */
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#define PHYSDEVOP_get_free_pirq 23
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struct physdev_get_free_pirq {
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/* IN */
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int type;
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/* OUT */
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uint32_t pirq;
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};
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typedef struct physdev_get_free_pirq physdev_get_free_pirq_t;
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DEFINE_XEN_GUEST_HANDLE(physdev_get_free_pirq_t);
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#define XEN_PCI_MMCFG_RESERVED 0x1
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#define PHYSDEVOP_pci_mmcfg_reserved 24
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struct physdev_pci_mmcfg_reserved {
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uint64_t address;
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uint16_t segment;
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uint8_t start_bus;
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uint8_t end_bus;
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uint32_t flags;
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};
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typedef struct physdev_pci_mmcfg_reserved physdev_pci_mmcfg_reserved_t;
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DEFINE_XEN_GUEST_HANDLE(physdev_pci_mmcfg_reserved_t);
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#define XEN_PCI_DEV_EXTFN 0x1
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#define XEN_PCI_DEV_VIRTFN 0x2
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#define XEN_PCI_DEV_PXM 0x4
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#define PHYSDEVOP_pci_device_add 25
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struct physdev_pci_device_add {
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/* IN */
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uint16_t seg;
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uint8_t bus;
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uint8_t devfn;
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uint32_t flags;
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struct {
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uint8_t bus;
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uint8_t devfn;
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} physfn;
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/*
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* Optional parameters array.
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* First element ([0]) is PXM domain associated with the device (if
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* XEN_PCI_DEV_PXM is set)
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*/
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uint32_t optarr[XEN_FLEX_ARRAY_DIM];
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};
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typedef struct physdev_pci_device_add physdev_pci_device_add_t;
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DEFINE_XEN_GUEST_HANDLE(physdev_pci_device_add_t);
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#define PHYSDEVOP_pci_device_remove 26
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#define PHYSDEVOP_restore_msi_ext 27
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/*
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* Dom0 should use these two to announce MMIO resources assigned to
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* MSI-X capable devices won't (prepare) or may (release) change.
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*/
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#define PHYSDEVOP_prepare_msix 30
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#define PHYSDEVOP_release_msix 31
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struct physdev_pci_device {
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/* IN */
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uint16_t seg;
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uint8_t bus;
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uint8_t devfn;
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};
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typedef struct physdev_pci_device physdev_pci_device_t;
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DEFINE_XEN_GUEST_HANDLE(physdev_pci_device_t);
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#define PHYSDEVOP_DBGP_RESET_PREPARE 1
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#define PHYSDEVOP_DBGP_RESET_DONE 2
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#define PHYSDEVOP_DBGP_BUS_UNKNOWN 0
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#define PHYSDEVOP_DBGP_BUS_PCI 1
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#define PHYSDEVOP_dbgp_op 29
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struct physdev_dbgp_op {
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/* IN */
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uint8_t op;
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uint8_t bus;
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union {
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physdev_pci_device_t pci;
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} u;
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};
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typedef struct physdev_dbgp_op physdev_dbgp_op_t;
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DEFINE_XEN_GUEST_HANDLE(physdev_dbgp_op_t);
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/*
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* Notify that some PIRQ-bound event channels have been unmasked.
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* ** This command is obsolete since interface version 0x00030202 and is **
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* ** unsupported by newer versions of Xen. **
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*/
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#define PHYSDEVOP_IRQ_UNMASK_NOTIFY 4
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#if __XEN_INTERFACE_VERSION__ < 0x00040600
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/*
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* These all-capitals physdev operation names are superceded by the new names
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* (defined above) since interface version 0x00030202. The guard above was
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* added post-4.5 only though and hence shouldn't check for 0x00030202.
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*/
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#define PHYSDEVOP_IRQ_STATUS_QUERY PHYSDEVOP_irq_status_query
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#define PHYSDEVOP_SET_IOPL PHYSDEVOP_set_iopl
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#define PHYSDEVOP_SET_IOBITMAP PHYSDEVOP_set_iobitmap
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#define PHYSDEVOP_APIC_READ PHYSDEVOP_apic_read
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#define PHYSDEVOP_APIC_WRITE PHYSDEVOP_apic_write
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#define PHYSDEVOP_ASSIGN_VECTOR PHYSDEVOP_alloc_irq_vector
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#define PHYSDEVOP_FREE_VECTOR PHYSDEVOP_free_irq_vector
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#define PHYSDEVOP_IRQ_NEEDS_UNMASK_NOTIFY XENIRQSTAT_needs_eoi
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#define PHYSDEVOP_IRQ_SHARED XENIRQSTAT_shared
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#endif
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#if __XEN_INTERFACE_VERSION__ < 0x00040200
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#define PHYSDEVOP_pirq_eoi_gmfn PHYSDEVOP_pirq_eoi_gmfn_v1
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#else
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#define PHYSDEVOP_pirq_eoi_gmfn PHYSDEVOP_pirq_eoi_gmfn_v2
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#endif
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#endif /* __XEN_PUBLIC_PHYSDEV_H__ */
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/*
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* Local variables:
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* mode: C
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* c-file-style: "BSD"
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* c-basic-offset: 4
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* tab-width: 4
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* indent-tabs-mode: nil
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* End:
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*/
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