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-rw-r--r--tests/Makefile2
-rw-r--r--tests/libqos/virtio-pci.c71
-rw-r--r--tests/libqos/virtio-pci.h18
-rw-r--r--tests/libqos/virtio.c55
-rw-r--r--tests/libqos/virtio.h30
-rw-r--r--tests/libqtest.c48
-rw-r--r--tests/libqtest.h7
-rw-r--r--tests/virtio-blk-test.c31
8 files changed, 257 insertions, 5 deletions
diff --git a/tests/Makefile b/tests/Makefile
index 0572633774..d5db97ba63 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -299,7 +299,7 @@ libqos-obj-y += tests/libqos/i2c.o
libqos-pc-obj-y = $(libqos-obj-y) tests/libqos/pci-pc.o
libqos-pc-obj-y += tests/libqos/malloc-pc.o
libqos-omap-obj-y = $(libqos-obj-y) tests/libqos/i2c-omap.o
-libqos-virtio-obj-y = $(libqos-obj-y) $(libqos-pc-obj-y) tests/libqos/virtio-pci.o
+libqos-virtio-obj-y = $(libqos-obj-y) $(libqos-pc-obj-y) tests/libqos/virtio.o tests/libqos/virtio-pci.o
tests/rtc-test$(EXESUF): tests/rtc-test.o
tests/m48t59-test$(EXESUF): tests/m48t59-test.o
diff --git a/tests/libqos/virtio-pci.c b/tests/libqos/virtio-pci.c
index fde1b1f747..1a37620001 100644
--- a/tests/libqos/virtio-pci.c
+++ b/tests/libqos/virtio-pci.c
@@ -8,6 +8,7 @@
*/
#include <glib.h>
+#include <stdio.h>
#include "libqtest.h"
#include "libqos/virtio.h"
#include "libqos/virtio-pci.h"
@@ -55,6 +56,64 @@ static void qvirtio_pci_assign_device(QVirtioDevice *d, void *data)
*vpcidev = (QVirtioPCIDevice *)d;
}
+static uint8_t qvirtio_pci_config_readb(QVirtioDevice *d, void *addr)
+{
+ QVirtioPCIDevice *dev = (QVirtioPCIDevice *)d;
+ return qpci_io_readb(dev->pdev, addr);
+}
+
+static uint16_t qvirtio_pci_config_readw(QVirtioDevice *d, void *addr)
+{
+ QVirtioPCIDevice *dev = (QVirtioPCIDevice *)d;
+ return qpci_io_readw(dev->pdev, addr);
+}
+
+static uint32_t qvirtio_pci_config_readl(QVirtioDevice *d, void *addr)
+{
+ QVirtioPCIDevice *dev = (QVirtioPCIDevice *)d;
+ return qpci_io_readl(dev->pdev, addr);
+}
+
+static uint64_t qvirtio_pci_config_readq(QVirtioDevice *d, void *addr)
+{
+ QVirtioPCIDevice *dev = (QVirtioPCIDevice *)d;
+ int i;
+ uint64_t u64 = 0;
+
+ if (qtest_big_endian()) {
+ for (i = 0; i < 8; ++i) {
+ u64 |= (uint64_t)qpci_io_readb(dev->pdev, addr + i) << (7 - i) * 8;
+ }
+ } else {
+ for (i = 0; i < 8; ++i) {
+ u64 |= (uint64_t)qpci_io_readb(dev->pdev, addr + i) << i * 8;
+ }
+ }
+
+ return u64;
+}
+
+static uint8_t qvirtio_pci_get_status(QVirtioDevice *d)
+{
+ QVirtioPCIDevice *dev = (QVirtioPCIDevice *)d;
+ return qpci_io_readb(dev->pdev, dev->addr + QVIRTIO_DEVICE_STATUS);
+}
+
+static void qvirtio_pci_set_status(QVirtioDevice *d, uint8_t status)
+{
+ QVirtioPCIDevice *dev = (QVirtioPCIDevice *)d;
+ qpci_io_writeb(dev->pdev, dev->addr + QVIRTIO_DEVICE_STATUS, status);
+}
+
+const QVirtioBus qvirtio_pci = {
+ .config_readb = qvirtio_pci_config_readb,
+ .config_readw = qvirtio_pci_config_readw,
+ .config_readl = qvirtio_pci_config_readl,
+ .config_readq = qvirtio_pci_config_readq,
+ .get_status = qvirtio_pci_get_status,
+ .set_status = qvirtio_pci_set_status,
+};
+
void qvirtio_pci_foreach(QPCIBus *bus, uint16_t device_type,
void (*func)(QVirtioDevice *d, void *data), void *data)
{
@@ -73,3 +132,15 @@ QVirtioPCIDevice *qvirtio_pci_device_find(QPCIBus *bus, uint16_t device_type)
return dev;
}
+
+void qvirtio_pci_device_enable(QVirtioPCIDevice *d)
+{
+ qpci_device_enable(d->pdev);
+ d->addr = qpci_iomap(d->pdev, 0, NULL);
+ g_assert(d->addr != NULL);
+}
+
+void qvirtio_pci_device_disable(QVirtioPCIDevice *d)
+{
+ qpci_iounmap(d->pdev, d->addr);
+}
diff --git a/tests/libqos/virtio-pci.h b/tests/libqos/virtio-pci.h
index 5101abb0ec..26f902ecb6 100644
--- a/tests/libqos/virtio-pci.h
+++ b/tests/libqos/virtio-pci.h
@@ -13,12 +13,30 @@
#include "libqos/virtio.h"
#include "libqos/pci.h"
+#define QVIRTIO_DEVICE_FEATURES 0x00
+#define QVIRTIO_GUEST_FEATURES 0x04
+#define QVIRTIO_QUEUE_ADDRESS 0x08
+#define QVIRTIO_QUEUE_SIZE 0x0C
+#define QVIRTIO_QUEUE_SELECT 0x0E
+#define QVIRTIO_QUEUE_NOTIFY 0x10
+#define QVIRTIO_DEVICE_STATUS 0x12
+#define QVIRTIO_ISR_STATUS 0x13
+#define QVIRTIO_MSIX_CONF_VECTOR 0x14
+#define QVIRTIO_MSIX_QUEUE_VECTOR 0x16
+#define QVIRTIO_DEVICE_SPECIFIC_MSIX 0x18
+#define QVIRTIO_DEVICE_SPECIFIC_NO_MSIX 0x14
+
typedef struct QVirtioPCIDevice {
QVirtioDevice vdev;
QPCIDevice *pdev;
+ void *addr;
} QVirtioPCIDevice;
+extern const QVirtioBus qvirtio_pci;
+
void qvirtio_pci_foreach(QPCIBus *bus, uint16_t device_type,
void (*func)(QVirtioDevice *d, void *data), void *data);
QVirtioPCIDevice *qvirtio_pci_device_find(QPCIBus *bus, uint16_t device_type);
+void qvirtio_pci_device_enable(QVirtioPCIDevice *d);
+void qvirtio_pci_device_disable(QVirtioPCIDevice *d);
#endif
diff --git a/tests/libqos/virtio.c b/tests/libqos/virtio.c
new file mode 100644
index 0000000000..577d679136
--- /dev/null
+++ b/tests/libqos/virtio.c
@@ -0,0 +1,55 @@
+/*
+ * libqos virtio 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 <glib.h>
+#include "libqtest.h"
+#include "libqos/virtio.h"
+
+uint8_t qvirtio_config_readb(const QVirtioBus *bus, QVirtioDevice *d,
+ void *addr)
+{
+ return bus->config_readb(d, addr);
+}
+
+uint16_t qvirtio_config_readw(const QVirtioBus *bus, QVirtioDevice *d,
+ void *addr)
+{
+ return bus->config_readw(d, addr);
+}
+
+uint32_t qvirtio_config_readl(const QVirtioBus *bus, QVirtioDevice *d,
+ void *addr)
+{
+ return bus->config_readl(d, addr);
+}
+
+uint64_t qvirtio_config_readq(const QVirtioBus *bus, QVirtioDevice *d,
+ void *addr)
+{
+ return bus->config_readq(d, addr);
+}
+
+void qvirtio_reset(const QVirtioBus *bus, QVirtioDevice *d)
+{
+ bus->set_status(d, QVIRTIO_RESET);
+ g_assert_cmphex(bus->get_status(d), ==, QVIRTIO_RESET);
+}
+
+void qvirtio_set_acknowledge(const QVirtioBus *bus, QVirtioDevice *d)
+{
+ bus->set_status(d, bus->get_status(d) | QVIRTIO_ACKNOWLEDGE);
+ g_assert_cmphex(bus->get_status(d), ==, QVIRTIO_ACKNOWLEDGE);
+}
+
+void qvirtio_set_driver(const QVirtioBus *bus, QVirtioDevice *d)
+{
+ bus->set_status(d, bus->get_status(d) | QVIRTIO_DRIVER);
+ g_assert_cmphex(bus->get_status(d), ==,
+ QVIRTIO_DRIVER | QVIRTIO_ACKNOWLEDGE);
+}
diff --git a/tests/libqos/virtio.h b/tests/libqos/virtio.h
index 2a05798ca7..8d7238bd91 100644
--- a/tests/libqos/virtio.h
+++ b/tests/libqos/virtio.h
@@ -12,6 +12,10 @@
#define QVIRTIO_VENDOR_ID 0x1AF4
+#define QVIRTIO_RESET 0x0
+#define QVIRTIO_ACKNOWLEDGE 0x1
+#define QVIRTIO_DRIVER 0x2
+
#define QVIRTIO_NET_DEVICE_ID 0x1
#define QVIRTIO_BLK_DEVICE_ID 0x2
@@ -20,4 +24,30 @@ typedef struct QVirtioDevice {
uint16_t device_type;
} QVirtioDevice;
+typedef struct QVirtioBus {
+ uint8_t (*config_readb)(QVirtioDevice *d, void *addr);
+ uint16_t (*config_readw)(QVirtioDevice *d, void *addr);
+ uint32_t (*config_readl)(QVirtioDevice *d, void *addr);
+ uint64_t (*config_readq)(QVirtioDevice *d, void *addr);
+
+ /* Get status of the device */
+ uint8_t (*get_status)(QVirtioDevice *d);
+
+ /* Set status of the device */
+ void (*set_status)(QVirtioDevice *d, uint8_t status);
+} QVirtioBus;
+
+uint8_t qvirtio_config_readb(const QVirtioBus *bus, QVirtioDevice *d,
+ void *addr);
+uint16_t qvirtio_config_readw(const QVirtioBus *bus, QVirtioDevice *d,
+ void *addr);
+uint32_t qvirtio_config_readl(const QVirtioBus *bus, QVirtioDevice *d,
+ void *addr);
+uint64_t qvirtio_config_readq(const QVirtioBus *bus, QVirtioDevice *d,
+ void *addr);
+
+void qvirtio_reset(const QVirtioBus *bus, QVirtioDevice *d);
+void qvirtio_set_acknowledge(const QVirtioBus *bus, QVirtioDevice *d);
+void qvirtio_set_driver(const QVirtioBus *bus, QVirtioDevice *d);
+
#endif
diff --git a/tests/libqtest.c b/tests/libqtest.c
index 5e458e884e..9a92aa70e4 100644
--- a/tests/libqtest.c
+++ b/tests/libqtest.c
@@ -696,3 +696,51 @@ void qmp_discard_response(const char *fmt, ...)
qtest_qmpv_discard_response(global_qtest, fmt, ap);
va_end(ap);
}
+
+bool qtest_big_endian(void)
+{
+ const char *arch = qtest_get_arch();
+ int i;
+
+ static const struct {
+ const char *arch;
+ bool big_endian;
+ } endianness[] = {
+ { "aarch64", false },
+ { "alpha", false },
+ { "arm", false },
+ { "cris", false },
+ { "i386", false },
+ { "lm32", true },
+ { "m68k", true },
+ { "microblaze", true },
+ { "microblazeel", false },
+ { "mips", true },
+ { "mips64", true },
+ { "mips64el", false },
+ { "mipsel", false },
+ { "moxie", true },
+ { "or32", true },
+ { "ppc", true },
+ { "ppc64", true },
+ { "ppcemb", true },
+ { "s390x", true },
+ { "sh4", false },
+ { "sh4eb", true },
+ { "sparc", true },
+ { "sparc64", true },
+ { "unicore32", false },
+ { "x86_64", false },
+ { "xtensa", false },
+ { "xtensaeb", true },
+ {},
+ };
+
+ for (i = 0; endianness[i].arch; i++) {
+ if (strcmp(endianness[i].arch, arch) == 0) {
+ return endianness[i].big_endian;
+ }
+ }
+
+ return false;
+}
diff --git a/tests/libqtest.h b/tests/libqtest.h
index 1be0934f07..3e12cab2f2 100644
--- a/tests/libqtest.h
+++ b/tests/libqtest.h
@@ -682,4 +682,11 @@ static inline int64_t clock_set(int64_t val)
return qtest_clock_set(global_qtest, val);
}
+/**
+ * qtest_big_endian:
+ *
+ * Returns: True if the architecture under test has a big endian configuration.
+ */
+bool qtest_big_endian(void);
+
#endif
diff --git a/tests/virtio-blk-test.c b/tests/virtio-blk-test.c
index 4d87a3e538..649f7cf94f 100644
--- a/tests/virtio-blk-test.c
+++ b/tests/virtio-blk-test.c
@@ -49,18 +49,41 @@ static void test_end(void)
qtest_end();
}
-static void pci_basic(void)
+static QVirtioPCIDevice *virtio_blk_init(QPCIBus *bus)
{
QVirtioPCIDevice *dev;
- QPCIBus *bus;
-
- bus = test_start();
dev = qvirtio_pci_device_find(bus, QVIRTIO_BLK_DEVICE_ID);
g_assert(dev != NULL);
g_assert_cmphex(dev->vdev.device_type, ==, QVIRTIO_BLK_DEVICE_ID);
g_assert_cmphex(dev->pdev->devfn, ==, ((PCI_SLOT << 3) | PCI_FN));
+ qvirtio_pci_device_enable(dev);
+ qvirtio_reset(&qvirtio_pci, &dev->vdev);
+ qvirtio_set_acknowledge(&qvirtio_pci, &dev->vdev);
+ qvirtio_set_driver(&qvirtio_pci, &dev->vdev);
+
+ return dev;
+}
+
+static void pci_basic(void)
+{
+ QVirtioPCIDevice *dev;
+ QPCIBus *bus;
+ void *addr;
+ uint64_t capacity;
+
+ bus = test_start();
+
+ dev = virtio_blk_init(bus);
+
+ /* MSI-X is not enabled */
+ addr = dev->addr + QVIRTIO_DEVICE_SPECIFIC_NO_MSIX;
+
+ capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev, addr);
+ g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
+
+ qvirtio_pci_device_disable(dev);
g_free(dev);
test_end();
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-15 05:45:10 +0000