include/hw/i386/microvm.h

   1 /*
   2  * Copyright (c) 2018 Intel Corporation
   3  * Copyright (c) 2019 Red Hat, Inc.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms and conditions of the GNU General Public License,
   7  * version 2 or later, as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #ifndef HW_I386_MICROVM_H
  19 #define HW_I386_MICROVM_H
  20
  21 #include "qemu-common.h"
  22 #include "exec/hwaddr.h"
  23 #include "qemu/notify.h"
  24
  25 #include "hw/boards.h"
  26 #include "hw/i386/x86.h"
  27 #include "hw/acpi/acpi_dev_interface.h"
  28 #include "hw/pci-host/gpex.h"
  29 #include "qom/object.h"
  30
  31 /*
  32  *  IRQ    |  pc        | microvm (acpi=on)
  33  * --------+------------+------------------
  34  *   0     |  pit       |
  35  *   1     |  kbd       |
  36  *   2     |  cascade   |
  37  *   3     |  serial 1  |
  38  *   4     |  serial 0  | serial
  39  *   5     |  -         |
  40  *   6     |  floppy    |
  41  *   7     |  parallel  |
  42  *   8     |  rtc       | rtc (rtc=on)
  43  *   9     |  acpi      | acpi (ged)
  44  *  10     |  pci lnk   |
  45  *  11     |  pci lnk   |
  46  *  12     |  ps2       | pcie
  47  *  13     |  fpu       | pcie
  48  *  14     |  ide 0     | pcie
  49  *  15     |  ide 1     | pcie
  50  *  16-23  |  pci gsi   | virtio
  51  */
  52
  53 /* Platform virtio definitions */
  54 #define VIRTIO_MMIO_BASE      0xfeb00000
  55 #define VIRTIO_NUM_TRANSPORTS 8
  56 #define VIRTIO_CMDLINE_MAXLEN 64
  57
  58 #define GED_MMIO_BASE         0xfea00000
  59 #define GED_MMIO_BASE_MEMHP   (GED_MMIO_BASE + 0x100)
  60 #define GED_MMIO_BASE_REGS    (GED_MMIO_BASE + 0x200)
  61 #define GED_MMIO_IRQ          9
  62
  63 #define PCIE_MMIO_BASE        0xc0000000
  64 #define PCIE_MMIO_SIZE        0x20000000
  65 #define PCIE_ECAM_BASE        0xe0000000
  66 #define PCIE_ECAM_SIZE        0x10000000
  67 #define PCIE_IRQ_BASE         12
  68
  69 /* Machine type options */
  70 #define MICROVM_MACHINE_PIT                 "pit"
  71 #define MICROVM_MACHINE_PIC                 "pic"
  72 #define MICROVM_MACHINE_RTC                 "rtc"
  73 #define MICROVM_MACHINE_PCIE                "pcie"
  74 #define MICROVM_MACHINE_ISA_SERIAL          "isa-serial"
  75 #define MICROVM_MACHINE_OPTION_ROMS         "x-option-roms"
  76 #define MICROVM_MACHINE_AUTO_KERNEL_CMDLINE "auto-kernel-cmdline"
  77
  78 struct MicrovmMachineClass {
  79     X86MachineClass parent;
  80     HotplugHandler *(*orig_hotplug_handler)(MachineState *machine,
  81                                            DeviceState *dev);
  82 };
  83
  84 struct MicrovmMachineState {
  85     X86MachineState parent;
  86
  87     /* Machine type options */
  88     OnOffAuto pic;
  89     OnOffAuto pit;
  90     OnOffAuto rtc;
  91     OnOffAuto pcie;
  92     bool isa_serial;
  93     bool option_roms;
  94     bool auto_kernel_cmdline;
  95
  96     /* Machine state */
  97     uint32_t virtio_irq_base;
  98     bool kernel_cmdline_fixed;
  99     Notifier machine_done;
 100     Notifier powerdown_req;
 101     struct GPEXConfig gpex;
 102 };
 103
 104 #define TYPE_MICROVM_MACHINE   MACHINE_TYPE_NAME("microvm")
 105 OBJECT_DECLARE_TYPE(MicrovmMachineState, MicrovmMachineClass, MICROVM_MACHINE)
 106
 107 #endif