tests/libqos: Move the libqos files under tests/qtest/

The qos stuff belongs to qtest, so move it into that directory, too.

Message-Id: <20191218103059.11729-8-thuth@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

1 files changed, 0 insertions, 443 deletions

diff --git a/tests/libqos/virtio-pci-modern.c b/tests/libqos/virtio-pci-modern.c
deleted file mode 100644
index 18d118866f..0000000000
--- a/tests/libqos/virtio-pci-modern.c
+++ /dev/null
@@ -1,443 +0,0 @@
-/*
- * libqos VIRTIO 1.0 PCI driver
- *
- * Copyright (c) 2019 Red Hat, Inc
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- */
-
-#include "qemu/osdep.h"
-#include "standard-headers/linux/pci_regs.h"
-#include "standard-headers/linux/virtio_pci.h"
-#include "standard-headers/linux/virtio_config.h"
-#include "virtio-pci-modern.h"
-
-static uint8_t config_readb(QVirtioDevice *d, uint64_t addr)
-{
-    QVirtioPCIDevice *dev = container_of(d, QVirtioPCIDevice, vdev);
-    return qpci_io_readb(dev->pdev, dev->bar, dev->device_cfg_offset + addr);
-}
-
-static uint16_t config_readw(QVirtioDevice *d, uint64_t addr)
-{
-    QVirtioPCIDevice *dev = container_of(d, QVirtioPCIDevice, vdev);
-    return qpci_io_readw(dev->pdev, dev->bar, dev->device_cfg_offset + addr);
-}
-
-static uint32_t config_readl(QVirtioDevice *d, uint64_t addr)
-{
-    QVirtioPCIDevice *dev = container_of(d, QVirtioPCIDevice, vdev);
-    return qpci_io_readl(dev->pdev, dev->bar, dev->device_cfg_offset + addr);
-}
-
-static uint64_t config_readq(QVirtioDevice *d, uint64_t addr)
-{
-    QVirtioPCIDevice *dev = container_of(d, QVirtioPCIDevice, vdev);
-    return qpci_io_readq(dev->pdev, dev->bar, dev->device_cfg_offset + addr);
-}
-
-static uint64_t get_features(QVirtioDevice *d)
-{
-    QVirtioPCIDevice *dev = container_of(d, QVirtioPCIDevice, vdev);
-    uint64_t lo, hi;
-
-    qpci_io_writel(dev->pdev, dev->bar, dev->common_cfg_offset +
-                   offsetof(struct virtio_pci_common_cfg,
-                            device_feature_select),
-                   0);
-    lo = qpci_io_readl(dev->pdev, dev->bar, dev->common_cfg_offset +
-                       offsetof(struct virtio_pci_common_cfg, device_feature));
-
-    qpci_io_writel(dev->pdev, dev->bar, dev->common_cfg_offset +
-                   offsetof(struct virtio_pci_common_cfg,
-                            device_feature_select),
-                   1);
-    hi = qpci_io_readl(dev->pdev, dev->bar, dev->common_cfg_offset +
-                       offsetof(struct virtio_pci_common_cfg, device_feature));
-
-    return (hi << 32) | lo;
-}
-
-static void set_features(QVirtioDevice *d, uint64_t features)
-{
-    QVirtioPCIDevice *dev = container_of(d, QVirtioPCIDevice, vdev);
-
-    /* Drivers must enable VIRTIO 1.0 or else use the Legacy interface */
-    g_assert_cmphex(features & (1ull << VIRTIO_F_VERSION_1), !=, 0);
-
-    qpci_io_writel(dev->pdev, dev->bar, dev->common_cfg_offset +
-                   offsetof(struct virtio_pci_common_cfg,
-                            guest_feature_select),
-                   0);
-    qpci_io_writel(dev->pdev, dev->bar, dev->common_cfg_offset +
-                   offsetof(struct virtio_pci_common_cfg,
-                            guest_feature),
-                   features);
-    qpci_io_writel(dev->pdev, dev->bar, dev->common_cfg_offset +
-                   offsetof(struct virtio_pci_common_cfg,
-                            guest_feature_select),
-                   1);
-    qpci_io_writel(dev->pdev, dev->bar, dev->common_cfg_offset +
-                   offsetof(struct virtio_pci_common_cfg,
-                            guest_feature),
-                   features >> 32);
-}
-
-static uint64_t get_guest_features(QVirtioDevice *d)
-{
-    QVirtioPCIDevice *dev = container_of(d, QVirtioPCIDevice, vdev);
-    uint64_t lo, hi;
-
-    qpci_io_writel(dev->pdev, dev->bar, dev->common_cfg_offset +
-                   offsetof(struct virtio_pci_common_cfg,
-                            guest_feature_select),
-                   0);
-    lo = qpci_io_readl(dev->pdev, dev->bar, dev->common_cfg_offset +
-                       offsetof(struct virtio_pci_common_cfg, guest_feature));
-
-    qpci_io_writel(dev->pdev, dev->bar, dev->common_cfg_offset +
-                   offsetof(struct virtio_pci_common_cfg,
-                            guest_feature_select),
-                   1);
-    hi = qpci_io_readl(dev->pdev, dev->bar, dev->common_cfg_offset +
-                       offsetof(struct virtio_pci_common_cfg, guest_feature));
-
-    return (hi << 32) | lo;
-}
-
-static uint8_t get_status(QVirtioDevice *d)
-{
-    QVirtioPCIDevice *dev = container_of(d, QVirtioPCIDevice, vdev);
-
-    return qpci_io_readb(dev->pdev, dev->bar, dev->common_cfg_offset +
-                         offsetof(struct virtio_pci_common_cfg,
-                                  device_status));
-}
-
-static void set_status(QVirtioDevice *d, uint8_t status)
-{
-    QVirtioPCIDevice *dev = container_of(d, QVirtioPCIDevice, vdev);
-
-    return qpci_io_writeb(dev->pdev, dev->bar, dev->common_cfg_offset +
-                          offsetof(struct virtio_pci_common_cfg,
-                                   device_status),
-                          status);
-}
-
-static bool get_msix_status(QVirtioPCIDevice *dev, uint32_t msix_entry,
-                            uint32_t msix_addr, uint32_t msix_data)
-{
-    uint32_t data;
-
-    g_assert_cmpint(msix_entry, !=, -1);
-    if (qpci_msix_masked(dev->pdev, msix_entry)) {
-        /* No ISR checking should be done if masked, but read anyway */
-        return qpci_msix_pending(dev->pdev, msix_entry);
-    }
-
-    data = qtest_readl(dev->pdev->bus->qts, msix_addr);
-    if (data == msix_data) {
-        qtest_writel(dev->pdev->bus->qts, msix_addr, 0);
-        return true;
-    } else {
-        return false;
-    }
-}
-
-static bool get_queue_isr_status(QVirtioDevice *d, QVirtQueue *vq)
-{
-    QVirtioPCIDevice *dev = container_of(d, QVirtioPCIDevice, vdev);
-
-    if (dev->pdev->msix_enabled) {
-        QVirtQueuePCI *vqpci = container_of(vq, QVirtQueuePCI, vq);
-
-        return get_msix_status(dev, vqpci->msix_entry, vqpci->msix_addr,
-                               vqpci->msix_data);
-    }
-
-    return qpci_io_readb(dev->pdev, dev->bar, dev->isr_cfg_offset) & 1;
-}
-
-static bool get_config_isr_status(QVirtioDevice *d)
-{
-    QVirtioPCIDevice *dev = container_of(d, QVirtioPCIDevice, vdev);
-
-    if (dev->pdev->msix_enabled) {
-        return get_msix_status(dev, dev->config_msix_entry,
-                               dev->config_msix_addr, dev->config_msix_data);
-    }
-
-    return qpci_io_readb(dev->pdev, dev->bar, dev->isr_cfg_offset) & 2;
-}
-
-static void wait_config_isr_status(QVirtioDevice *d, gint64 timeout_us)
-{
-    QVirtioPCIDevice *dev = container_of(d, QVirtioPCIDevice, vdev);
-    gint64 start_time = g_get_monotonic_time();
-
-    do {
-        g_assert(g_get_monotonic_time() - start_time <= timeout_us);
-        qtest_clock_step(dev->pdev->bus->qts, 100);
-    } while (!get_config_isr_status(d));
-}
-
-static void queue_select(QVirtioDevice *d, uint16_t index)
-{
-    QVirtioPCIDevice *dev = container_of(d, QVirtioPCIDevice, vdev);
-
-    qpci_io_writew(dev->pdev, dev->bar, dev->common_cfg_offset +
-                   offsetof(struct virtio_pci_common_cfg, queue_select),
-                   index);
-}
-
-static uint16_t get_queue_size(QVirtioDevice *d)
-{
-    QVirtioPCIDevice *dev = container_of(d, QVirtioPCIDevice, vdev);
-
-    return qpci_io_readw(dev->pdev, dev->bar, dev->common_cfg_offset +
-                         offsetof(struct virtio_pci_common_cfg, queue_size));
-}
-
-static void set_queue_address(QVirtioDevice *d, QVirtQueue *vq)
-{
-    QVirtioPCIDevice *dev = container_of(d, QVirtioPCIDevice, vdev);
-
-    qpci_io_writel(dev->pdev, dev->bar, dev->common_cfg_offset +
-                   offsetof(struct virtio_pci_common_cfg, queue_desc_lo),
-                   vq->desc);
-    qpci_io_writel(dev->pdev, dev->bar, dev->common_cfg_offset +
-                   offsetof(struct virtio_pci_common_cfg, queue_desc_hi),
-                   vq->desc >> 32);
-
-    qpci_io_writel(dev->pdev, dev->bar, dev->common_cfg_offset +
-                   offsetof(struct virtio_pci_common_cfg, queue_avail_lo),
-                   vq->avail);
-    qpci_io_writel(dev->pdev, dev->bar, dev->common_cfg_offset +
-                   offsetof(struct virtio_pci_common_cfg, queue_avail_hi),
-                   vq->avail >> 32);
-
-    qpci_io_writel(dev->pdev, dev->bar, dev->common_cfg_offset +
-                   offsetof(struct virtio_pci_common_cfg, queue_used_lo),
-                   vq->used);
-    qpci_io_writel(dev->pdev, dev->bar, dev->common_cfg_offset +
-                   offsetof(struct virtio_pci_common_cfg, queue_used_hi),
-                   vq->used >> 32);
-}
-
-static QVirtQueue *virtqueue_setup(QVirtioDevice *d, QGuestAllocator *alloc,
-                                   uint16_t index)
-{
-    QVirtioPCIDevice *dev = container_of(d, QVirtioPCIDevice, vdev);
-    QVirtQueue *vq;
-    QVirtQueuePCI *vqpci;
-    uint16_t notify_off;
-
-    vq = qvirtio_pci_virtqueue_setup_common(d, alloc, index);
-    vqpci = container_of(vq, QVirtQueuePCI, vq);
-
-    notify_off = qpci_io_readw(dev->pdev, dev->bar, dev->common_cfg_offset +
-                               offsetof(struct virtio_pci_common_cfg,
-                                        queue_notify_off));
-
-    vqpci->notify_offset = dev->notify_cfg_offset +
-                           notify_off * dev->notify_off_multiplier;
-
-    qpci_io_writew(dev->pdev, dev->bar, dev->common_cfg_offset +
-                   offsetof(struct virtio_pci_common_cfg, queue_enable), 1);
-
-    return vq;
-}
-
-static void virtqueue_kick(QVirtioDevice *d, QVirtQueue *vq)
-{
-    QVirtioPCIDevice *dev = container_of(d, QVirtioPCIDevice, vdev);
-    QVirtQueuePCI *vqpci = container_of(vq, QVirtQueuePCI, vq);
-
-    qpci_io_writew(dev->pdev, dev->bar, vqpci->notify_offset, vq->index);
-}
-
-static const QVirtioBus qvirtio_pci_virtio_1 = {
-    .config_readb = config_readb,
-    .config_readw = config_readw,
-    .config_readl = config_readl,
-    .config_readq = config_readq,
-    .get_features = get_features,
-    .set_features = set_features,
-    .get_guest_features = get_guest_features,
-    .get_status = get_status,
-    .set_status = set_status,
-    .get_queue_isr_status = get_queue_isr_status,
-    .wait_config_isr_status = wait_config_isr_status,
-    .queue_select = queue_select,
-    .get_queue_size = get_queue_size,
-    .set_queue_address = set_queue_address,
-    .virtqueue_setup = virtqueue_setup,
-    .virtqueue_cleanup = qvirtio_pci_virtqueue_cleanup_common,
-    .virtqueue_kick = virtqueue_kick,
-};
-
-static void set_config_vector(QVirtioPCIDevice *d, uint16_t entry)
-{
-    uint16_t vector;
-
-    qpci_io_writew(d->pdev, d->bar, d->common_cfg_offset +
-                   offsetof(struct virtio_pci_common_cfg, msix_config), entry);
-    vector = qpci_io_readw(d->pdev, d->bar, d->common_cfg_offset +
-                           offsetof(struct virtio_pci_common_cfg,
-                                    msix_config));
-    g_assert_cmphex(vector, !=, VIRTIO_MSI_NO_VECTOR);
-}
-
-static void set_queue_vector(QVirtioPCIDevice *d, uint16_t vq_idx,
-                             uint16_t entry)
-{
-    uint16_t vector;
-
-    queue_select(&d->vdev, vq_idx);
-    qpci_io_writew(d->pdev, d->bar, d->common_cfg_offset +
-                   offsetof(struct virtio_pci_common_cfg, queue_msix_vector),
-                   entry);
-    vector = qpci_io_readw(d->pdev, d->bar, d->common_cfg_offset +
-                           offsetof(struct virtio_pci_common_cfg,
-                                    queue_msix_vector));
-    g_assert_cmphex(vector, !=, VIRTIO_MSI_NO_VECTOR);
-}
-
-static const QVirtioPCIMSIXOps qvirtio_pci_msix_ops_virtio_1 = {
-    .set_config_vector = set_config_vector,
-    .set_queue_vector = set_queue_vector,
-};
-
-static bool probe_device_type(QVirtioPCIDevice *dev)
-{
-    uint16_t vendor_id;
-    uint16_t device_id;
-
-    /* "Drivers MUST match devices with the PCI Vendor ID 0x1AF4" */
-    vendor_id = qpci_config_readw(dev->pdev, PCI_VENDOR_ID);
-    if (vendor_id != 0x1af4) {
-        return false;
-    }
-
-    /*
-     * "Any PCI device with ... PCI Device ID 0x1000 through 0x107F inclusive
-     * is a virtio device"
-     */
-    device_id = qpci_config_readw(dev->pdev, PCI_DEVICE_ID);
-    if (device_id < 0x1000 || device_id > 0x107f) {
-        return false;
-    }
-
-    /*
-     * "Devices MAY utilize a Transitional PCI Device ID range, 0x1000 to
-     * 0x103F depending on the device type"
-     */
-    if (device_id < 0x1040) {
-        /*
-         * "Transitional devices MUST have the PCI Subsystem Device ID matching
-         * the Virtio Device ID"
-         */
-        dev->vdev.device_type = qpci_config_readw(dev->pdev, PCI_SUBSYSTEM_ID);
-    } else {
-        /*
-         * "The PCI Device ID is calculated by adding 0x1040 to the Virtio
-         * Device ID"
-         */
-        dev->vdev.device_type = device_id - 0x1040;
-    }
-
-    return true;
-}
-
-/* Find the first VIRTIO 1.0 PCI structure for a given type */
-static bool find_structure(QVirtioPCIDevice *dev, uint8_t cfg_type,
-                           uint8_t *bar, uint32_t *offset, uint32_t *length,
-                           uint8_t *cfg_addr)
-{
-    uint8_t addr = 0;
-
-    while ((addr = qpci_find_capability(dev->pdev, PCI_CAP_ID_VNDR,
-                                        addr)) != 0) {
-        uint8_t type;
-
-        type = qpci_config_readb(dev->pdev,
-                addr + offsetof(struct virtio_pci_cap, cfg_type));
-        if (type != cfg_type) {
-            continue;
-        }
-
-        *bar = qpci_config_readb(dev->pdev,
-                addr + offsetof(struct virtio_pci_cap, bar));
-        *offset = qpci_config_readl(dev->pdev,
-                addr + offsetof(struct virtio_pci_cap, offset));
-        *length = qpci_config_readl(dev->pdev,
-                addr + offsetof(struct virtio_pci_cap, length));
-        if (cfg_addr) {
-            *cfg_addr = addr;
-        }
-
-        return true;
-    }
-
-    return false;
-}
-
-static bool probe_device_layout(QVirtioPCIDevice *dev)
-{
-    uint8_t bar;
-    uint8_t cfg_addr;
-    uint32_t length;
-
-    /*
-     * Due to the qpci_iomap() API we only support devices that put all
-     * structures in the same PCI BAR.  Luckily this is true with QEMU.
-     */
-
-    if (!find_structure(dev, VIRTIO_PCI_CAP_COMMON_CFG, &bar,
-                        &dev->common_cfg_offset, &length, NULL)) {
-        return false;
-    }
-    dev->bar_idx = bar;
-
-    if (!find_structure(dev, VIRTIO_PCI_CAP_NOTIFY_CFG, &bar,
-                        &dev->notify_cfg_offset, &length, &cfg_addr)) {
-        return false;
-    }
-    g_assert_cmphex(bar, ==, dev->bar_idx);
-
-    dev->notify_off_multiplier = qpci_config_readl(dev->pdev,
-            cfg_addr + offsetof(struct virtio_pci_notify_cap,
-                                notify_off_multiplier));
-
-    if (!find_structure(dev, VIRTIO_PCI_CAP_ISR_CFG, &bar,
-                        &dev->isr_cfg_offset, &length, NULL)) {
-        return false;
-    }
-    g_assert_cmphex(bar, ==, dev->bar_idx);
-
-    if (!find_structure(dev, VIRTIO_PCI_CAP_DEVICE_CFG, &bar,
-                        &dev->device_cfg_offset, &length, NULL)) {
-        return false;
-    }
-    g_assert_cmphex(bar, ==, dev->bar_idx);
-
-    return true;
-}
-
-/* Probe a VIRTIO 1.0 device */
-bool qvirtio_pci_init_virtio_1(QVirtioPCIDevice *dev)
-{
-    if (!probe_device_type(dev)) {
-        return false;
-    }
-
-    if (!probe_device_layout(dev)) {
-        return false;
-    }
-
-    dev->vdev.bus = &qvirtio_pci_virtio_1;
-    dev->msix_ops = &qvirtio_pci_msix_ops_virtio_1;
-    dev->vdev.big_endian = false;
-    return true;
-}