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-rw-r--r--qemu/tests/libqos/virtio-mmio.c198
1 files changed, 0 insertions, 198 deletions
diff --git a/qemu/tests/libqos/virtio-mmio.c b/qemu/tests/libqos/virtio-mmio.c
deleted file mode 100644
index a4382f366..000000000
--- a/qemu/tests/libqos/virtio-mmio.c
+++ /dev/null
@@ -1,198 +0,0 @@
-/*
- * libqos virtio MMIO driver
- *
- * Copyright (c) 2014 Marc Marí
- *
- * 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 <glib.h>
-#include "libqtest.h"
-#include "libqos/virtio.h"
-#include "libqos/virtio-mmio.h"
-#include "libqos/malloc.h"
-#include "libqos/malloc-generic.h"
-
-static uint8_t qvirtio_mmio_config_readb(QVirtioDevice *d, uint64_t addr)
-{
- QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
- return readb(dev->addr + addr);
-}
-
-static uint16_t qvirtio_mmio_config_readw(QVirtioDevice *d, uint64_t addr)
-{
- QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
- return readw(dev->addr + addr);
-}
-
-static uint32_t qvirtio_mmio_config_readl(QVirtioDevice *d, uint64_t addr)
-{
- QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
- return readl(dev->addr + addr);
-}
-
-static uint64_t qvirtio_mmio_config_readq(QVirtioDevice *d, uint64_t addr)
-{
- QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
- return readq(dev->addr + addr);
-}
-
-static uint32_t qvirtio_mmio_get_features(QVirtioDevice *d)
-{
- QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
- writel(dev->addr + QVIRTIO_MMIO_HOST_FEATURES_SEL, 0);
- return readl(dev->addr + QVIRTIO_MMIO_HOST_FEATURES);
-}
-
-static void qvirtio_mmio_set_features(QVirtioDevice *d, uint32_t features)
-{
- QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
- dev->features = features;
- writel(dev->addr + QVIRTIO_MMIO_GUEST_FEATURES_SEL, 0);
- writel(dev->addr + QVIRTIO_MMIO_GUEST_FEATURES, features);
-}
-
-static uint32_t qvirtio_mmio_get_guest_features(QVirtioDevice *d)
-{
- QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
- return dev->features;
-}
-
-static uint8_t qvirtio_mmio_get_status(QVirtioDevice *d)
-{
- QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
- return (uint8_t)readl(dev->addr + QVIRTIO_MMIO_DEVICE_STATUS);
-}
-
-static void qvirtio_mmio_set_status(QVirtioDevice *d, uint8_t status)
-{
- QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
- writel(dev->addr + QVIRTIO_MMIO_DEVICE_STATUS, (uint32_t)status);
-}
-
-static bool qvirtio_mmio_get_queue_isr_status(QVirtioDevice *d, QVirtQueue *vq)
-{
- QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
- uint32_t isr;
-
- isr = readl(dev->addr + QVIRTIO_MMIO_INTERRUPT_STATUS) & 1;
- if (isr != 0) {
- writel(dev->addr + QVIRTIO_MMIO_INTERRUPT_ACK, 1);
- return true;
- }
-
- return false;
-}
-
-static bool qvirtio_mmio_get_config_isr_status(QVirtioDevice *d)
-{
- QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
- uint32_t isr;
-
- isr = readl(dev->addr + QVIRTIO_MMIO_INTERRUPT_STATUS) & 2;
- if (isr != 0) {
- writel(dev->addr + QVIRTIO_MMIO_INTERRUPT_ACK, 2);
- return true;
- }
-
- return false;
-}
-
-static void qvirtio_mmio_queue_select(QVirtioDevice *d, uint16_t index)
-{
- QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
- writel(dev->addr + QVIRTIO_MMIO_QUEUE_SEL, (uint32_t)index);
-
- g_assert_cmphex(readl(dev->addr + QVIRTIO_MMIO_QUEUE_PFN), ==, 0);
-}
-
-static uint16_t qvirtio_mmio_get_queue_size(QVirtioDevice *d)
-{
- QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
- return (uint16_t)readl(dev->addr + QVIRTIO_MMIO_QUEUE_NUM_MAX);
-}
-
-static void qvirtio_mmio_set_queue_address(QVirtioDevice *d, uint32_t pfn)
-{
- QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
- writel(dev->addr + QVIRTIO_MMIO_QUEUE_PFN, pfn);
-}
-
-static QVirtQueue *qvirtio_mmio_virtqueue_setup(QVirtioDevice *d,
- QGuestAllocator *alloc, uint16_t index)
-{
- QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
- QVirtQueue *vq;
- uint64_t addr;
-
- vq = g_malloc0(sizeof(*vq));
- qvirtio_mmio_queue_select(d, index);
- writel(dev->addr + QVIRTIO_MMIO_QUEUE_ALIGN, dev->page_size);
-
- vq->index = index;
- vq->size = qvirtio_mmio_get_queue_size(d);
- vq->free_head = 0;
- vq->num_free = vq->size;
- vq->align = dev->page_size;
- vq->indirect = (dev->features & QVIRTIO_F_RING_INDIRECT_DESC) != 0;
- vq->event = (dev->features & QVIRTIO_F_RING_EVENT_IDX) != 0;
-
- writel(dev->addr + QVIRTIO_MMIO_QUEUE_NUM, vq->size);
-
- /* Check different than 0 */
- g_assert_cmpint(vq->size, !=, 0);
-
- /* Check power of 2 */
- g_assert_cmpint(vq->size & (vq->size - 1), ==, 0);
-
- addr = guest_alloc(alloc, qvring_size(vq->size, dev->page_size));
- qvring_init(alloc, vq, addr);
- qvirtio_mmio_set_queue_address(d, vq->desc / dev->page_size);
-
- return vq;
-}
-
-static void qvirtio_mmio_virtqueue_kick(QVirtioDevice *d, QVirtQueue *vq)
-{
- QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
- writel(dev->addr + QVIRTIO_MMIO_QUEUE_NOTIFY, vq->index);
-}
-
-const QVirtioBus qvirtio_mmio = {
- .config_readb = qvirtio_mmio_config_readb,
- .config_readw = qvirtio_mmio_config_readw,
- .config_readl = qvirtio_mmio_config_readl,
- .config_readq = qvirtio_mmio_config_readq,
- .get_features = qvirtio_mmio_get_features,
- .set_features = qvirtio_mmio_set_features,
- .get_guest_features = qvirtio_mmio_get_guest_features,
- .get_status = qvirtio_mmio_get_status,
- .set_status = qvirtio_mmio_set_status,
- .get_queue_isr_status = qvirtio_mmio_get_queue_isr_status,
- .get_config_isr_status = qvirtio_mmio_get_config_isr_status,
- .queue_select = qvirtio_mmio_queue_select,
- .get_queue_size = qvirtio_mmio_get_queue_size,
- .set_queue_address = qvirtio_mmio_set_queue_address,
- .virtqueue_setup = qvirtio_mmio_virtqueue_setup,
- .virtqueue_kick = qvirtio_mmio_virtqueue_kick,
-};
-
-QVirtioMMIODevice *qvirtio_mmio_init_device(uint64_t addr, uint32_t page_size)
-{
- QVirtioMMIODevice *dev;
- uint32_t magic;
- dev = g_malloc0(sizeof(*dev));
-
- magic = readl(addr + QVIRTIO_MMIO_MAGIC_VALUE);
- g_assert(magic == ('v' | 'i' << 8 | 'r' << 16 | 't' << 24));
-
- dev->addr = addr;
- dev->page_size = page_size;
- dev->vdev.device_type = readl(addr + QVIRTIO_MMIO_DEVICE_ID);
-
- writel(addr + QVIRTIO_MMIO_GUEST_PAGE_SIZE, page_size);
-
- return dev;
-}