qemu

FORK: QEMU emulator
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ppc64_pseries-machine.c (3348B)

      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