tests/qtest/libqos/arm-virt-machine.c

   1 /*
   2  * libqos driver framework
   3  *
   4  * Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License version 2.1 as published by the Free Software Foundation.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, see <http://www.gnu.org/licenses/>
  17  */
  18
  19 #include "qemu/osdep.h"
  20 #include "../libqtest.h"
  21 #include "qemu/module.h"
  22 #include "libqos-malloc.h"
  23 #include "qgraph.h"
  24 #include "virtio-mmio.h"
  25 #include "generic-pcihost.h"
  26 #include "hw/pci/pci_regs.h"
  27
  28 #define ARM_PAGE_SIZE               4096
  29 #define VIRTIO_MMIO_BASE_ADDR       0x0A003E00
  30 #define ARM_VIRT_RAM_ADDR           0x40000000
  31 #define ARM_VIRT_RAM_SIZE           0x20000000
  32 #define VIRTIO_MMIO_SIZE            0x00000200
  33
  34 typedef struct QVirtMachine QVirtMachine;
  35
  36 struct QVirtMachine {
  37     QOSGraphObject obj;
  38     QGuestAllocator alloc;
  39     QVirtioMMIODevice virtio_mmio;
  40     QGenericPCIHost bridge;
  41 };
  42
  43 static void virt_destructor(QOSGraphObject *obj)
  44 {
  45     QVirtMachine *machine = (QVirtMachine *) obj;
  46     alloc_destroy(&machine->alloc);
  47 }
  48
  49 static void *virt_get_driver(void *object, const char *interface)
  50 {
  51     QVirtMachine *machine = object;
  52     if (!g_strcmp0(interface, "memory")) {
  53         return &machine->alloc;
  54     }
  55
  56     fprintf(stderr, "%s not present in arm/virtio\n", interface);
  57     g_assert_not_reached();
  58 }
  59
  60 static QOSGraphObject *virt_get_device(void *obj, const char *device)
  61 {
  62     QVirtMachine *machine = obj;
  63     if (!g_strcmp0(device, "generic-pcihost")) {
  64         return &machine->bridge.obj;
  65     } else if (!g_strcmp0(device, "virtio-mmio")) {
  66         return &machine->virtio_mmio.obj;
  67     }
  68
  69     fprintf(stderr, "%s not present in arm/virt\n", device);
  70     g_assert_not_reached();
  71 }
  72
  73 static void *qos_create_machine_arm_virt(QTestState *qts)
  74 {
  75     QVirtMachine *machine = g_new0(QVirtMachine, 1);
  76
  77     alloc_init(&machine->alloc, 0,
  78                ARM_VIRT_RAM_ADDR,
  79                ARM_VIRT_RAM_ADDR + ARM_VIRT_RAM_SIZE,
  80                ARM_PAGE_SIZE);
  81     qvirtio_mmio_init_device(&machine->virtio_mmio, qts, VIRTIO_MMIO_BASE_ADDR,
  82                              VIRTIO_MMIO_SIZE);
  83
  84     qos_create_generic_pcihost(&machine->bridge, qts, &machine->alloc);
  85
  86     machine->obj.get_device = virt_get_device;
  87     machine->obj.get_driver = virt_get_driver;
  88     machine->obj.destructor = virt_destructor;
  89     return machine;
  90 }
  91
  92 static void virt_machine_register_nodes(void)
  93 {
  94     qos_node_create_machine("arm/virt", qos_create_machine_arm_virt);
  95     qos_node_contains("arm/virt", "virtio-mmio", NULL);
  96
  97     qos_node_create_machine_args("aarch64/virt", qos_create_machine_arm_virt,
  98                                  " -cpu max");
  99     qos_node_contains("aarch64/virt", "generic-pcihost", NULL);
 100 }
 101
 102 libqos_init(virt_machine_register_nodes);