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Viewing changes to drivers/net/mlx4/eq.c

  • Committer: Bazaar Package Importer
  • Author(s): Luke Yelavich
  • Date: 2009-09-26 13:41:38 UTC
  • Revision ID: james.westby@ubuntu.com-20090926134138-i125soms3n9udi1a
Tags: 2.6.31-6.7
Update to latest Ubuntu mainline source, 2.6.31-11,36.

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Lines of Context:
drivers/net/mlx4/eq.c
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        iounmap(priv->clr_base);
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}
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int mlx4_map_eq_icm(struct mlx4_dev *dev, u64 icm_virt)
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{
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        struct mlx4_priv *priv = mlx4_priv(dev);
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        int ret;
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        /*
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         * We assume that mapping one page is enough for the whole EQ
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         * context table.  This is fine with all current HCAs, because
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         * we only use 32 EQs and each EQ uses 64 bytes of context
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         * memory, or 1 KB total.
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         */
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        priv->eq_table.icm_virt = icm_virt;
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        priv->eq_table.icm_page = alloc_page(GFP_HIGHUSER);
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        if (!priv->eq_table.icm_page)
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                return -ENOMEM;
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        priv->eq_table.icm_dma  = pci_map_page(dev->pdev, priv->eq_table.icm_page, 0,
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                                               PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
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        if (pci_dma_mapping_error(dev->pdev, priv->eq_table.icm_dma)) {
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                __free_page(priv->eq_table.icm_page);
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                return -ENOMEM;
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        }
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        ret = mlx4_MAP_ICM_page(dev, priv->eq_table.icm_dma, icm_virt);
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        if (ret) {
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                pci_unmap_page(dev->pdev, priv->eq_table.icm_dma, PAGE_SIZE,
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                               PCI_DMA_BIDIRECTIONAL);
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                __free_page(priv->eq_table.icm_page);
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        }
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        return ret;
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}
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void mlx4_unmap_eq_icm(struct mlx4_dev *dev)
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{
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        struct mlx4_priv *priv = mlx4_priv(dev);
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        mlx4_UNMAP_ICM(dev, priv->eq_table.icm_virt, 1);
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        pci_unmap_page(dev->pdev, priv->eq_table.icm_dma, PAGE_SIZE,
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                       PCI_DMA_BIDIRECTIONAL);
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        __free_page(priv->eq_table.icm_page);
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}
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int mlx4_alloc_eq_table(struct mlx4_dev *dev)
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{
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        struct mlx4_priv *priv = mlx4_priv(dev);