557a4cc04a
This adds PCI init code and a basic test that checks the device config matches what is passed on the command line. Signed-off-by: Greg Kurz <groug@kaod.org> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
129 lines
3.2 KiB
C
129 lines
3.2 KiB
C
/*
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* QTest testcase for VirtIO 9P
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*
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* Copyright (c) 2014 SUSE LINUX Products GmbH
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "libqtest.h"
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#include "qemu-common.h"
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#include "libqos/pci-pc.h"
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#include "libqos/virtio.h"
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#include "libqos/virtio-pci.h"
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#include "libqos/malloc.h"
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#include "libqos/malloc-pc.h"
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#include "standard-headers/linux/virtio_ids.h"
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#include "standard-headers/linux/virtio_pci.h"
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static const char mount_tag[] = "qtest";
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static char *test_share;
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static void qvirtio_9p_start(void)
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{
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char *args;
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test_share = g_strdup("/tmp/qtest.XXXXXX");
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g_assert_nonnull(mkdtemp(test_share));
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args = g_strdup_printf("-fsdev local,id=fsdev0,security_model=none,path=%s "
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"-device virtio-9p-pci,fsdev=fsdev0,mount_tag=%s",
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test_share, mount_tag);
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qtest_start(args);
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g_free(args);
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}
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static void qvirtio_9p_stop(void)
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{
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qtest_end();
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rmdir(test_share);
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g_free(test_share);
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}
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static void pci_nop(void)
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{
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qvirtio_9p_start();
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qvirtio_9p_stop();
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}
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typedef struct {
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QVirtioDevice *dev;
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QGuestAllocator *alloc;
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QPCIBus *bus;
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QVirtQueue *vq;
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} QVirtIO9P;
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static QVirtIO9P *qvirtio_9p_pci_init(void)
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{
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QVirtIO9P *v9p;
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QVirtioPCIDevice *dev;
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v9p = g_new0(QVirtIO9P, 1);
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v9p->alloc = pc_alloc_init();
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v9p->bus = qpci_init_pc();
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dev = qvirtio_pci_device_find(v9p->bus, VIRTIO_ID_9P);
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g_assert_nonnull(dev);
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g_assert_cmphex(dev->vdev.device_type, ==, VIRTIO_ID_9P);
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v9p->dev = (QVirtioDevice *) dev;
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qvirtio_pci_device_enable(dev);
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qvirtio_reset(&qvirtio_pci, v9p->dev);
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qvirtio_set_acknowledge(&qvirtio_pci, v9p->dev);
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qvirtio_set_driver(&qvirtio_pci, v9p->dev);
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v9p->vq = qvirtqueue_setup(&qvirtio_pci, v9p->dev, v9p->alloc, 0);
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return v9p;
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}
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static void qvirtio_9p_pci_free(QVirtIO9P *v9p)
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{
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qvirtqueue_cleanup(&qvirtio_pci, v9p->vq, v9p->alloc);
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pc_alloc_uninit(v9p->alloc);
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qvirtio_pci_device_disable(container_of(v9p->dev, QVirtioPCIDevice, vdev));
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g_free(v9p->dev);
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qpci_free_pc(v9p->bus);
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g_free(v9p);
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}
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static void pci_basic_config(void)
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{
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QVirtIO9P *v9p;
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void *addr;
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size_t tag_len;
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char *tag;
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int i;
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qvirtio_9p_start();
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v9p = qvirtio_9p_pci_init();
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addr = ((QVirtioPCIDevice *) v9p->dev)->addr + VIRTIO_PCI_CONFIG_OFF(false);
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tag_len = qvirtio_config_readw(&qvirtio_pci, v9p->dev,
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(uint64_t)(uintptr_t)addr);
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g_assert_cmpint(tag_len, ==, strlen(mount_tag));
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addr += sizeof(uint16_t);
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tag = g_malloc(tag_len);
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for (i = 0; i < tag_len; i++) {
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tag[i] = qvirtio_config_readb(&qvirtio_pci, v9p->dev,
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(uint64_t)(uintptr_t)addr + i);
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}
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g_assert_cmpmem(tag, tag_len, mount_tag, tag_len);
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g_free(tag);
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qvirtio_9p_pci_free(v9p);
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qvirtio_9p_stop();
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}
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int main(int argc, char **argv)
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{
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g_test_init(&argc, &argv, NULL);
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qtest_add_func("/virtio/9p/pci/nop", pci_nop);
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qtest_add_func("/virtio/9p/pci/basic/configuration", pci_basic_config);
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return g_test_run();
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}
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