diff options
| author | Alistair Popple <alistair@popple.id.au> | 2013-12-09 11:17:03 +0400 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-12-30 07:17:19 +0400 |
| commit | d084775738b746648d4102337163a04534a02982 (patch) | |
| tree | 641f5ea99dcdb27f51a7646d56a8d245f1d7f9c1 /drivers/net/ethernet/ibm/ibmveth.c | |
| parent | 3a553170d35d69bea3877bffa508489dfa6f133d (diff) | |
| download | linux-d084775738b746648d4102337163a04534a02982.tar.xz | |
powerpc/iommu: Update the generic code to use dynamic iommu page sizes
This patch updates the generic iommu backend code to use the
it_page_shift field to determine the iommu page size instead of
using hardcoded values.
Signed-off-by: Alistair Popple <alistair@popple.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'drivers/net/ethernet/ibm/ibmveth.c')
| -rw-r--r-- | drivers/net/ethernet/ibm/ibmveth.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c index f7d7538b6bd9..d04dbaba83dd 100644 --- a/drivers/net/ethernet/ibm/ibmveth.c +++ b/drivers/net/ethernet/ibm/ibmveth.c @@ -1276,31 +1276,34 @@ static unsigned long ibmveth_get_desired_dma(struct vio_dev *vdev) { struct net_device *netdev = dev_get_drvdata(&vdev->dev); struct ibmveth_adapter *adapter; + struct iommu_table *tbl; unsigned long ret; int i; int rxqentries = 1; + tbl = get_iommu_table_base(&vdev->dev); + /* netdev inits at probe time along with the structures we need below*/ if (netdev == NULL) - return IOMMU_PAGE_ALIGN_4K(IBMVETH_IO_ENTITLEMENT_DEFAULT); + return IOMMU_PAGE_ALIGN(IBMVETH_IO_ENTITLEMENT_DEFAULT, tbl); adapter = netdev_priv(netdev); ret = IBMVETH_BUFF_LIST_SIZE + IBMVETH_FILT_LIST_SIZE; - ret += IOMMU_PAGE_ALIGN_4K(netdev->mtu); + ret += IOMMU_PAGE_ALIGN(netdev->mtu, tbl); for (i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) { /* add the size of the active receive buffers */ if (adapter->rx_buff_pool[i].active) ret += adapter->rx_buff_pool[i].size * - IOMMU_PAGE_ALIGN_4K(adapter->rx_buff_pool[i]. - buff_size); + IOMMU_PAGE_ALIGN(adapter->rx_buff_pool[i]. + buff_size, tbl); rxqentries += adapter->rx_buff_pool[i].size; } /* add the size of the receive queue entries */ - ret += IOMMU_PAGE_ALIGN_4K( - rxqentries * sizeof(struct ibmveth_rx_q_entry)); + ret += IOMMU_PAGE_ALIGN( + rxqentries * sizeof(struct ibmveth_rx_q_entry), tbl); return ret; } |