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authorYuanhan Liu <yuanhan.liu@linux.intel.com>2017-01-06 18:16:18 +0800
committerYuanhan Liu <yuanhan.liu@linux.intel.com>2017-01-17 09:20:18 +0100
commit1ca893f11d1d47c13535805c3ec7ca11e26cbe03 (patch)
tree76e8626d9c2b64fa40dc030b3a196bbfa231d5f8 /drivers/net/virtio/virtio_pci.c
parent553f45932fb797e9fbd6342016e0dd53e1f61fc7 (diff)
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net/virtio: store IO port info locally
Like vtpci_ops, the rte_pci_ioport has to store in local memory. This is basically for the rte_pci_device field is allocated from process local memory, but not from shared memory. Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Diffstat (limited to 'drivers/net/virtio/virtio_pci.c')
-rw-r--r--drivers/net/virtio/virtio_pci.c50
1 files changed, 27 insertions, 23 deletions
diff --git a/drivers/net/virtio/virtio_pci.c b/drivers/net/virtio/virtio_pci.c
index b1f2e18..7903e29 100644
--- a/drivers/net/virtio/virtio_pci.c
+++ b/drivers/net/virtio/virtio_pci.c
@@ -92,17 +92,17 @@ legacy_read_dev_config(struct virtio_hw *hw, size_t offset,
while (length > 0) {
if (length >= 4) {
size = 4;
- rte_eal_pci_ioport_read(&hw->io, dst, size,
+ rte_eal_pci_ioport_read(VTPCI_IO(hw), dst, size,
VIRTIO_PCI_CONFIG(hw) + offset);
*(uint32_t *)dst = rte_be_to_cpu_32(*(uint32_t *)dst);
} else if (length >= 2) {
size = 2;
- rte_eal_pci_ioport_read(&hw->io, dst, size,
+ rte_eal_pci_ioport_read(VTPCI_IO(hw), dst, size,
VIRTIO_PCI_CONFIG(hw) + offset);
*(uint16_t *)dst = rte_be_to_cpu_16(*(uint16_t *)dst);
} else {
size = 1;
- rte_eal_pci_ioport_read(&hw->io, dst, size,
+ rte_eal_pci_ioport_read(VTPCI_IO(hw), dst, size,
VIRTIO_PCI_CONFIG(hw) + offset);
}
@@ -111,7 +111,7 @@ legacy_read_dev_config(struct virtio_hw *hw, size_t offset,
length -= size;
}
#else
- rte_eal_pci_ioport_read(&hw->io, dst, length,
+ rte_eal_pci_ioport_read(VTPCI_IO(hw), dst, length,
VIRTIO_PCI_CONFIG(hw) + offset);
#endif
}
@@ -131,16 +131,16 @@ legacy_write_dev_config(struct virtio_hw *hw, size_t offset,
if (length >= 4) {
size = 4;
tmp.u32 = rte_cpu_to_be_32(*(const uint32_t *)src);
- rte_eal_pci_ioport_write(&hw->io, &tmp.u32, size,
+ rte_eal_pci_ioport_write(VTPCI_IO(hw), &tmp.u32, size,
VIRTIO_PCI_CONFIG(hw) + offset);
} else if (length >= 2) {
size = 2;
tmp.u16 = rte_cpu_to_be_16(*(const uint16_t *)src);
- rte_eal_pci_ioport_write(&hw->io, &tmp.u16, size,
+ rte_eal_pci_ioport_write(VTPCI_IO(hw), &tmp.u16, size,
VIRTIO_PCI_CONFIG(hw) + offset);
} else {
size = 1;
- rte_eal_pci_ioport_write(&hw->io, src, size,
+ rte_eal_pci_ioport_write(VTPCI_IO(hw), src, size,
VIRTIO_PCI_CONFIG(hw) + offset);
}
@@ -149,7 +149,7 @@ legacy_write_dev_config(struct virtio_hw *hw, size_t offset,
length -= size;
}
#else
- rte_eal_pci_ioport_write(&hw->io, src, length,
+ rte_eal_pci_ioport_write(VTPCI_IO(hw), src, length,
VIRTIO_PCI_CONFIG(hw) + offset);
#endif
}
@@ -159,7 +159,8 @@ legacy_get_features(struct virtio_hw *hw)
{
uint32_t dst;
- rte_eal_pci_ioport_read(&hw->io, &dst, 4, VIRTIO_PCI_HOST_FEATURES);
+ rte_eal_pci_ioport_read(VTPCI_IO(hw), &dst, 4,
+ VIRTIO_PCI_HOST_FEATURES);
return dst;
}
@@ -171,7 +172,7 @@ legacy_set_features(struct virtio_hw *hw, uint64_t features)
"only 32 bit features are allowed for legacy virtio!");
return;
}
- rte_eal_pci_ioport_write(&hw->io, &features, 4,
+ rte_eal_pci_ioport_write(VTPCI_IO(hw), &features, 4,
VIRTIO_PCI_GUEST_FEATURES);
}
@@ -180,14 +181,14 @@ legacy_get_status(struct virtio_hw *hw)
{
uint8_t dst;
- rte_eal_pci_ioport_read(&hw->io, &dst, 1, VIRTIO_PCI_STATUS);
+ rte_eal_pci_ioport_read(VTPCI_IO(hw), &dst, 1, VIRTIO_PCI_STATUS);
return dst;
}
static void
legacy_set_status(struct virtio_hw *hw, uint8_t status)
{
- rte_eal_pci_ioport_write(&hw->io, &status, 1, VIRTIO_PCI_STATUS);
+ rte_eal_pci_ioport_write(VTPCI_IO(hw), &status, 1, VIRTIO_PCI_STATUS);
}
static void
@@ -201,7 +202,7 @@ legacy_get_isr(struct virtio_hw *hw)
{
uint8_t dst;
- rte_eal_pci_ioport_read(&hw->io, &dst, 1, VIRTIO_PCI_ISR);
+ rte_eal_pci_ioport_read(VTPCI_IO(hw), &dst, 1, VIRTIO_PCI_ISR);
return dst;
}
@@ -211,8 +212,10 @@ legacy_set_config_irq(struct virtio_hw *hw, uint16_t vec)
{
uint16_t dst;
- rte_eal_pci_ioport_write(&hw->io, &vec, 2, VIRTIO_MSI_CONFIG_VECTOR);
- rte_eal_pci_ioport_read(&hw->io, &dst, 2, VIRTIO_MSI_CONFIG_VECTOR);
+ rte_eal_pci_ioport_write(VTPCI_IO(hw), &vec, 2,
+ VIRTIO_MSI_CONFIG_VECTOR);
+ rte_eal_pci_ioport_read(VTPCI_IO(hw), &dst, 2,
+ VIRTIO_MSI_CONFIG_VECTOR);
return dst;
}
@@ -221,8 +224,9 @@ legacy_get_queue_num(struct virtio_hw *hw, uint16_t queue_id)
{
uint16_t dst;
- rte_eal_pci_ioport_write(&hw->io, &queue_id, 2, VIRTIO_PCI_QUEUE_SEL);
- rte_eal_pci_ioport_read(&hw->io, &dst, 2, VIRTIO_PCI_QUEUE_NUM);
+ rte_eal_pci_ioport_write(VTPCI_IO(hw), &queue_id, 2,
+ VIRTIO_PCI_QUEUE_SEL);
+ rte_eal_pci_ioport_read(VTPCI_IO(hw), &dst, 2, VIRTIO_PCI_QUEUE_NUM);
return dst;
}
@@ -234,10 +238,10 @@ legacy_setup_queue(struct virtio_hw *hw, struct virtqueue *vq)
if (!check_vq_phys_addr_ok(vq))
return -1;
- rte_eal_pci_ioport_write(&hw->io, &vq->vq_queue_index, 2,
+ rte_eal_pci_ioport_write(VTPCI_IO(hw), &vq->vq_queue_index, 2,
VIRTIO_PCI_QUEUE_SEL);
src = vq->vq_ring_mem >> VIRTIO_PCI_QUEUE_ADDR_SHIFT;
- rte_eal_pci_ioport_write(&hw->io, &src, 4, VIRTIO_PCI_QUEUE_PFN);
+ rte_eal_pci_ioport_write(VTPCI_IO(hw), &src, 4, VIRTIO_PCI_QUEUE_PFN);
return 0;
}
@@ -247,15 +251,15 @@ legacy_del_queue(struct virtio_hw *hw, struct virtqueue *vq)
{
uint32_t src = 0;
- rte_eal_pci_ioport_write(&hw->io, &vq->vq_queue_index, 2,
+ rte_eal_pci_ioport_write(VTPCI_IO(hw), &vq->vq_queue_index, 2,
VIRTIO_PCI_QUEUE_SEL);
- rte_eal_pci_ioport_write(&hw->io, &src, 4, VIRTIO_PCI_QUEUE_PFN);
+ rte_eal_pci_ioport_write(VTPCI_IO(hw), &src, 4, VIRTIO_PCI_QUEUE_PFN);
}
static void
legacy_notify_queue(struct virtio_hw *hw, struct virtqueue *vq)
{
- rte_eal_pci_ioport_write(&hw->io, &vq->vq_queue_index, 2,
+ rte_eal_pci_ioport_write(VTPCI_IO(hw), &vq->vq_queue_index, 2,
VIRTIO_PCI_QUEUE_NOTIFY);
}
@@ -289,7 +293,7 @@ static int
legacy_virtio_resource_init(struct rte_pci_device *pci_dev,
struct virtio_hw *hw, uint32_t *dev_flags)
{
- if (rte_eal_pci_ioport_map(pci_dev, 0, &hw->io) < 0)
+ if (rte_eal_pci_ioport_map(pci_dev, 0, VTPCI_IO(hw)) < 0)
return -1;
if (pci_dev->intr_handle.type != RTE_INTR_HANDLE_UNKNOWN)