| 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 "qgraph.h" |
| 22 | #include "pci-spapr.h" |
| 23 | #include "qemu/module.h" |
| 24 | #include "malloc-spapr.h" |
| 25 | |
| 26 | typedef struct QSPAPR_pci_host QSPAPR_pci_host; |
| 27 | typedef struct Qppc64_pseriesMachine Qppc64_pseriesMachine; |
| 28 | |
| 29 | struct QSPAPR_pci_host { |
| 30 | QOSGraphObject obj; |
| 31 | QPCIBusSPAPR pci; |
| 32 | }; |
| 33 | |
| 34 | struct Qppc64_pseriesMachine { |
| 35 | QOSGraphObject obj; |
| 36 | QGuestAllocator alloc; |
| 37 | QSPAPR_pci_host bridge; |
| 38 | }; |
| 39 | |
| 40 | /* QSPAPR_pci_host */ |
| 41 | |
| 42 | static QOSGraphObject *QSPAPR_host_get_device(void *obj, const char *device) |
| 43 | { |
| 44 | QSPAPR_pci_host *host = obj; |
| 45 | if (!g_strcmp0(device, "pci-bus-spapr")) { |
| 46 | return &host->pci.obj; |
| 47 | } |
| 48 | fprintf(stderr, "%s not present in QSPAPR_pci_host\n", device); |
| 49 | g_assert_not_reached(); |
| 50 | } |
| 51 | |
| 52 | static void qos_create_QSPAPR_host(QSPAPR_pci_host *host, |
| 53 | QTestState *qts, |
| 54 | QGuestAllocator *alloc) |
| 55 | { |
| 56 | host->obj.get_device = QSPAPR_host_get_device; |
| 57 | qpci_init_spapr(&host->pci, qts, alloc); |
| 58 | } |
| 59 | |
| 60 | /* ppc64/pseries machine */ |
| 61 | |
| 62 | static void spapr_destructor(QOSGraphObject *obj) |
| 63 | { |
| 64 | Qppc64_pseriesMachine *machine = (Qppc64_pseriesMachine *) obj; |
| 65 | alloc_destroy(&machine->alloc); |
| 66 | } |
| 67 | |
| 68 | static void *spapr_get_driver(void *object, const char *interface) |
| 69 | { |
| 70 | Qppc64_pseriesMachine *machine = object; |
| 71 | if (!g_strcmp0(interface, "memory")) { |
| 72 | return &machine->alloc; |
| 73 | } |
| 74 | |
| 75 | fprintf(stderr, "%s not present in ppc64/pseries\n", interface); |
| 76 | g_assert_not_reached(); |
| 77 | } |
| 78 | |
| 79 | static QOSGraphObject *spapr_get_device(void *obj, const char *device) |
| 80 | { |
| 81 | Qppc64_pseriesMachine *machine = obj; |
| 82 | if (!g_strcmp0(device, "spapr-pci-host-bridge")) { |
| 83 | return &machine->bridge.obj; |
| 84 | } |
| 85 | |
| 86 | fprintf(stderr, "%s not present in ppc64/pseries\n", device); |
| 87 | g_assert_not_reached(); |
| 88 | } |
| 89 | |
| 90 | static void *qos_create_machine_spapr(QTestState *qts) |
| 91 | { |
| 92 | Qppc64_pseriesMachine *machine = g_new0(Qppc64_pseriesMachine, 1); |
| 93 | machine->obj.get_device = spapr_get_device; |
| 94 | machine->obj.get_driver = spapr_get_driver; |
| 95 | machine->obj.destructor = spapr_destructor; |
| 96 | spapr_alloc_init(&machine->alloc, qts, ALLOC_NO_FLAGS); |
| 97 | |
| 98 | qos_create_QSPAPR_host(&machine->bridge, qts, &machine->alloc); |
| 99 | |
| 100 | return &machine->obj; |
| 101 | } |
| 102 | |
| 103 | static void spapr_machine_register_nodes(void) |
| 104 | { |
| 105 | qos_node_create_machine("ppc64/pseries", qos_create_machine_spapr); |
| 106 | qos_node_create_driver("spapr-pci-host-bridge", NULL); |
| 107 | qos_node_contains("ppc64/pseries", "spapr-pci-host-bridge", NULL); |
| 108 | qos_node_contains("spapr-pci-host-bridge", "pci-bus-spapr", NULL); |
| 109 | } |
| 110 | |
| 111 | libqos_init(spapr_machine_register_nodes); |
| 112 |