From: "Marc Marí" <marc.mari.barcelo@gmail.com>
To: qemu-devel@nongnu.org
Cc: "Marc Marí" <marc.mari.barcelo@gmail.com>,
"Stefan Hajnoczi" <stefanha@redhat.com>
Subject: [Qemu-devel] [PATCH v4 1/5] libqos: Change use of pointers to uint64_t in virtio
Date: Fri, 23 Jan 2015 17:38:49 +0100 [thread overview]
Message-ID: <1422031133-19755-2-git-send-email-marc.mari.barcelo@gmail.com> (raw)
In-Reply-To: <1422031133-19755-1-git-send-email-marc.mari.barcelo@gmail.com>
Convert use of pointers in functions of virtio to uint64_t in order to make it
platform-independent.
Add casting from pointers (in PCI functions) to uint64_t and vice versa through
uintptr_t.
Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com>
---
tests/libqos/virtio-pci.c | 20 +++++++++++---------
tests/libqos/virtio.c | 8 ++++----
tests/libqos/virtio.h | 16 ++++++++--------
tests/virtio-blk-test.c | 21 ++++++++++++++-------
4 files changed, 37 insertions(+), 28 deletions(-)
diff --git a/tests/libqos/virtio-pci.c b/tests/libqos/virtio-pci.c
index 788ebaf..92bcac1 100644
--- a/tests/libqos/virtio-pci.c
+++ b/tests/libqos/virtio-pci.c
@@ -60,25 +60,25 @@ static void qvirtio_pci_assign_device(QVirtioDevice *d, void *data)
*vpcidev = (QVirtioPCIDevice *)d;
}
-static uint8_t qvirtio_pci_config_readb(QVirtioDevice *d, void *addr)
+static uint8_t qvirtio_pci_config_readb(QVirtioDevice *d, uint64_t addr)
{
QVirtioPCIDevice *dev = (QVirtioPCIDevice *)d;
- return qpci_io_readb(dev->pdev, addr);
+ return qpci_io_readb(dev->pdev, (void *)(uintptr_t)addr);
}
-static uint16_t qvirtio_pci_config_readw(QVirtioDevice *d, void *addr)
+static uint16_t qvirtio_pci_config_readw(QVirtioDevice *d, uint64_t addr)
{
QVirtioPCIDevice *dev = (QVirtioPCIDevice *)d;
- return qpci_io_readw(dev->pdev, addr);
+ return qpci_io_readw(dev->pdev, (void *)(uintptr_t)addr);
}
-static uint32_t qvirtio_pci_config_readl(QVirtioDevice *d, void *addr)
+static uint32_t qvirtio_pci_config_readl(QVirtioDevice *d, uint64_t addr)
{
QVirtioPCIDevice *dev = (QVirtioPCIDevice *)d;
- return qpci_io_readl(dev->pdev, addr);
+ return qpci_io_readl(dev->pdev, (void *)(uintptr_t)addr);
}
-static uint64_t qvirtio_pci_config_readq(QVirtioDevice *d, void *addr)
+static uint64_t qvirtio_pci_config_readq(QVirtioDevice *d, uint64_t addr)
{
QVirtioPCIDevice *dev = (QVirtioPCIDevice *)d;
int i;
@@ -86,11 +86,13 @@ static uint64_t qvirtio_pci_config_readq(QVirtioDevice *d, void *addr)
if (qtest_big_endian()) {
for (i = 0; i < 8; ++i) {
- u64 |= (uint64_t)qpci_io_readb(dev->pdev, addr + i) << (7 - i) * 8;
+ u64 |= (uint64_t)qpci_io_readb(dev->pdev,
+ (void *)(uintptr_t)addr + i) << (7 - i) * 8;
}
} else {
for (i = 0; i < 8; ++i) {
- u64 |= (uint64_t)qpci_io_readb(dev->pdev, addr + i) << i * 8;
+ u64 |= (uint64_t)qpci_io_readb(dev->pdev,
+ (void *)(uintptr_t)addr + i) << i * 8;
}
}
diff --git a/tests/libqos/virtio.c b/tests/libqos/virtio.c
index a061289..3205b88 100644
--- a/tests/libqos/virtio.c
+++ b/tests/libqos/virtio.c
@@ -12,25 +12,25 @@
#include "libqos/virtio.h"
uint8_t qvirtio_config_readb(const QVirtioBus *bus, QVirtioDevice *d,
- void *addr)
+ uint64_t addr)
{
return bus->config_readb(d, addr);
}
uint16_t qvirtio_config_readw(const QVirtioBus *bus, QVirtioDevice *d,
- void *addr)
+ uint64_t addr)
{
return bus->config_readw(d, addr);
}
uint32_t qvirtio_config_readl(const QVirtioBus *bus, QVirtioDevice *d,
- void *addr)
+ uint64_t addr)
{
return bus->config_readl(d, addr);
}
uint64_t qvirtio_config_readq(const QVirtioBus *bus, QVirtioDevice *d,
- void *addr)
+ uint64_t addr)
{
return bus->config_readq(d, addr);
}
diff --git a/tests/libqos/virtio.h b/tests/libqos/virtio.h
index 29fbacb..2449fee 100644
--- a/tests/libqos/virtio.h
+++ b/tests/libqos/virtio.h
@@ -93,10 +93,10 @@ typedef struct QVRingIndirectDesc {
} QVRingIndirectDesc;
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);
+ uint8_t (*config_readb)(QVirtioDevice *d, uint64_t addr);
+ uint16_t (*config_readw)(QVirtioDevice *d, uint64_t addr);
+ uint32_t (*config_readl)(QVirtioDevice *d, uint64_t addr);
+ uint64_t (*config_readq)(QVirtioDevice *d, uint64_t addr);
/* Get features of the device */
uint32_t (*get_features)(QVirtioDevice *d);
@@ -144,13 +144,13 @@ static inline uint32_t qvring_size(uint32_t num, uint32_t align)
}
uint8_t qvirtio_config_readb(const QVirtioBus *bus, QVirtioDevice *d,
- void *addr);
+ uint64_t addr);
uint16_t qvirtio_config_readw(const QVirtioBus *bus, QVirtioDevice *d,
- void *addr);
+ uint64_t addr);
uint32_t qvirtio_config_readl(const QVirtioBus *bus, QVirtioDevice *d,
- void *addr);
+ uint64_t addr);
uint64_t qvirtio_config_readq(const QVirtioBus *bus, QVirtioDevice *d,
- void *addr);
+ uint64_t addr);
uint32_t qvirtio_get_features(const QVirtioBus *bus, QVirtioDevice *d);
void qvirtio_set_features(const QVirtioBus *bus, QVirtioDevice *d,
uint32_t features);
diff --git a/tests/virtio-blk-test.c b/tests/virtio-blk-test.c
index 89d7cbf..2424c84 100644
--- a/tests/virtio-blk-test.c
+++ b/tests/virtio-blk-test.c
@@ -157,7 +157,8 @@ static void pci_basic(void)
/* MSI-X is not enabled */
addr = dev->addr + QVIRTIO_DEVICE_SPECIFIC_NO_MSIX;
- capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev, addr);
+ capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev,
+ (uint64_t)(uintptr_t)addr);
g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
features = qvirtio_get_features(&qvirtio_pci, &dev->vdev);
@@ -303,7 +304,8 @@ static void pci_indirect(void)
/* MSI-X is not enabled */
addr = dev->addr + QVIRTIO_DEVICE_SPECIFIC_NO_MSIX;
- capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev, addr);
+ capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev,
+ (uint64_t)(uintptr_t)addr);
g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
features = qvirtio_get_features(&qvirtio_pci, &dev->vdev);
@@ -394,7 +396,8 @@ static void pci_config(void)
/* MSI-X is not enabled */
addr = dev->addr + QVIRTIO_DEVICE_SPECIFIC_NO_MSIX;
- capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev, addr);
+ capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev,
+ (uint64_t)(uintptr_t)addr);
g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
qvirtio_set_driver_ok(&qvirtio_pci, &dev->vdev);
@@ -403,7 +406,8 @@ static void pci_config(void)
" 'size': %d } }", n_size);
qvirtio_wait_config_isr(&qvirtio_pci, &dev->vdev, QVIRTIO_BLK_TIMEOUT_US);
- capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev, addr);
+ capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev,
+ (uint64_t)(uintptr_t)addr);
g_assert_cmpint(capacity, ==, n_size / 512);
qvirtio_pci_device_disable(dev);
@@ -438,7 +442,8 @@ static void pci_msix(void)
/* MSI-X is enabled */
addr = dev->addr + QVIRTIO_DEVICE_SPECIFIC_MSIX;
- capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev, addr);
+ capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev,
+ (uint64_t)(uintptr_t)addr);
g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
features = qvirtio_get_features(&qvirtio_pci, &dev->vdev);
@@ -458,7 +463,8 @@ static void pci_msix(void)
qvirtio_wait_config_isr(&qvirtio_pci, &dev->vdev, QVIRTIO_BLK_TIMEOUT_US);
- capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev, addr);
+ capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev,
+ (uint64_t)(uintptr_t)addr);
g_assert_cmpint(capacity, ==, n_size / 512);
/* Write request */
@@ -547,7 +553,8 @@ static void pci_idx(void)
/* MSI-X is enabled */
addr = dev->addr + QVIRTIO_DEVICE_SPECIFIC_MSIX;
- capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev, addr);
+ capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev,
+ (uint64_t)(uintptr_t)addr);
g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
features = qvirtio_get_features(&qvirtio_pci, &dev->vdev);
--
1.7.10.4
next prev parent reply other threads:[~2015-01-23 16:39 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-23 16:38 [Qemu-devel] [PATCH v4 0/5] libqos: Virtio MMIO driver Marc Marí
2015-01-23 16:38 ` Marc Marí [this message]
2015-01-23 16:38 ` [Qemu-devel] [PATCH v4 2/5] tests: Prepare virtio-blk-test for multi-arch implementation Marc Marí
2015-01-23 16:38 ` [Qemu-devel] [PATCH v4 3/5] libqos: Remove PCI assumptions in constants of virtio driver Marc Marí
2015-01-23 16:38 ` [Qemu-devel] [PATCH v4 4/5] libqos: Add malloc generic Marc Marí
2015-01-23 16:38 ` [Qemu-devel] [PATCH v4 5/5] libqos: Add virtio MMIO support Marc Marí
2015-02-18 17:07 ` [Qemu-devel] [PATCH v4 0/5] libqos: Virtio MMIO driver Stefan Hajnoczi
2015-02-19 17:46 ` Kevin Wolf
2015-02-24 20:39 ` Marc Marí
2015-02-25 10:06 ` Stefan Hajnoczi
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