include/hw/xen/xen-pvh-common.h

   1 /*
   2  * QEMU Xen PVH machine - common code.
   3  *
   4  * Copyright (c) 2024 Advanced Micro Devices, Inc.
   5  *
   6  * SPDX-License-Identifier: GPL-2.0-or-later
   7  */
   8
   9 #ifndef XEN_PVH_COMMON_H__
  10 #define XEN_PVH_COMMON_H__
  11
  12 #include <assert.h>
  13 #include "hw/sysbus.h"
  14 #include "hw/hw.h"
  15 #include "hw/xen/xen-hvm-common.h"
  16 #include "hw/pci-host/gpex.h"
  17
  18 #define TYPE_XEN_PVH_MACHINE MACHINE_TYPE_NAME("xen-pvh-base")
  19 OBJECT_DECLARE_TYPE(XenPVHMachineState, XenPVHMachineClass,
  20                     XEN_PVH_MACHINE)
  21
  22 struct XenPVHMachineClass {
  23     MachineClass parent;
  24
  25     /* PVH implementation specific init.  */
  26     void (*init)(MachineState *state);
  27
  28     /*
  29      * set_pci_intx_irq - Deliver INTX irqs to the guest.
  30      *
  31      * @opaque: pointer to XenPVHMachineState.
  32      * @irq: IRQ after swizzling, between 0-3.
  33      * @level: IRQ level.
  34      */
  35     void (*set_pci_intx_irq)(void *opaque, int irq, int level);
  36
  37     /*
  38      * set_pci_link_route: - optional implementation call to setup
  39      * routing between INTX IRQ (0 - 3) and GSI's.
  40      *
  41      * @line: line the INTx line (0 => A .. 3 => B)
  42      * @irq: GSI
  43      */
  44     int (*set_pci_link_route)(uint8_t line, uint8_t irq);
  45
  46     /* Allow implementations to optionally enable buffered ioreqs.  */
  47     uint8_t handle_bufioreq;
  48
  49     /*
  50      * Each implementation can optionally enable features that it
  51      * supports and are known to work.
  52      */
  53     bool has_pci;
  54     bool has_tpm;
  55     bool has_virtio_mmio;
  56 };
  57
  58 struct XenPVHMachineState {
  59     /*< private >*/
  60     MachineState parent;
  61
  62     XenIOState ioreq;
  63
  64     struct {
  65         MemoryRegion low;
  66         MemoryRegion high;
  67     } ram;
  68
  69     struct {
  70         GPEXHost gpex;
  71         MemoryRegion mmio_alias;
  72         MemoryRegion mmio_high_alias;
  73     } pci;
  74
  75     struct {
  76         MemMapEntry ram_low, ram_high;
  77         MemMapEntry tpm;
  78
  79         /* Virtio-mmio */
  80         MemMapEntry virtio_mmio;
  81         uint32_t virtio_mmio_num;
  82         uint32_t virtio_mmio_irq_base;
  83
  84         /* PCI */
  85         MemMapEntry pci_ecam, pci_mmio, pci_mmio_high;
  86         uint32_t pci_intx_irq_base;
  87     } cfg;
  88 };
  89
  90 void xen_pvh_class_setup_common_props(XenPVHMachineClass *xpc);
  91 #endif