diff options
Diffstat (limited to 'drivers/net/mlx4/eq.c')
-rw-r--r-- | drivers/net/mlx4/eq.c | 77 |
1 files changed, 26 insertions, 51 deletions
diff --git a/drivers/net/mlx4/eq.c b/drivers/net/mlx4/eq.c index b9ceddde46c..bffb7995cb7 100644 --- a/drivers/net/mlx4/eq.c +++ b/drivers/net/mlx4/eq.c @@ -31,7 +31,6 @@ * SOFTWARE. */ -#include <linux/init.h> #include <linux/interrupt.h> #include <linux/mm.h> #include <linux/dma-mapping.h> @@ -42,6 +41,10 @@ #include "fw.h" enum { + MLX4_IRQNAME_SIZE = 64 +}; + +enum { MLX4_NUM_ASYNC_EQE = 0x100, MLX4_NUM_SPARE_EQE = 0x80, MLX4_EQ_ENTRY_SIZE = 0x20 @@ -526,48 +529,6 @@ static void mlx4_unmap_clr_int(struct mlx4_dev *dev) iounmap(priv->clr_base); } -int mlx4_map_eq_icm(struct mlx4_dev *dev, u64 icm_virt) -{ - struct mlx4_priv *priv = mlx4_priv(dev); - int ret; - - /* - * We assume that mapping one page is enough for the whole EQ - * context table. This is fine with all current HCAs, because - * we only use 32 EQs and each EQ uses 64 bytes of context - * memory, or 1 KB total. - */ - priv->eq_table.icm_virt = icm_virt; - priv->eq_table.icm_page = alloc_page(GFP_HIGHUSER); - if (!priv->eq_table.icm_page) - return -ENOMEM; - priv->eq_table.icm_dma = pci_map_page(dev->pdev, priv->eq_table.icm_page, 0, - PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); - if (pci_dma_mapping_error(dev->pdev, priv->eq_table.icm_dma)) { - __free_page(priv->eq_table.icm_page); - return -ENOMEM; - } - - ret = mlx4_MAP_ICM_page(dev, priv->eq_table.icm_dma, icm_virt); - if (ret) { - pci_unmap_page(dev->pdev, priv->eq_table.icm_dma, PAGE_SIZE, - PCI_DMA_BIDIRECTIONAL); - __free_page(priv->eq_table.icm_page); - } - - return ret; -} - -void mlx4_unmap_eq_icm(struct mlx4_dev *dev) -{ - struct mlx4_priv *priv = mlx4_priv(dev); - - mlx4_UNMAP_ICM(dev, priv->eq_table.icm_virt, 1); - pci_unmap_page(dev->pdev, priv->eq_table.icm_dma, PAGE_SIZE, - PCI_DMA_BIDIRECTIONAL); - __free_page(priv->eq_table.icm_page); -} - int mlx4_alloc_eq_table(struct mlx4_dev *dev) { struct mlx4_priv *priv = mlx4_priv(dev); @@ -615,7 +576,9 @@ int mlx4_init_eq_table(struct mlx4_dev *dev) priv->eq_table.clr_int = priv->clr_base + (priv->eq_table.inta_pin < 32 ? 4 : 0); - priv->eq_table.irq_names = kmalloc(16 * dev->caps.num_comp_vectors, GFP_KERNEL); + priv->eq_table.irq_names = + kmalloc(MLX4_IRQNAME_SIZE * (dev->caps.num_comp_vectors + 1), + GFP_KERNEL); if (!priv->eq_table.irq_names) { err = -ENOMEM; goto err_out_bitmap; @@ -638,17 +601,25 @@ int mlx4_init_eq_table(struct mlx4_dev *dev) goto err_out_comp; if (dev->flags & MLX4_FLAG_MSI_X) { - static const char async_eq_name[] = "mlx4-async"; const char *eq_name; for (i = 0; i < dev->caps.num_comp_vectors + 1; ++i) { if (i < dev->caps.num_comp_vectors) { - snprintf(priv->eq_table.irq_names + i * 16, 16, - "mlx4-comp-%d", i); - eq_name = priv->eq_table.irq_names + i * 16; - } else - eq_name = async_eq_name; + snprintf(priv->eq_table.irq_names + + i * MLX4_IRQNAME_SIZE, + MLX4_IRQNAME_SIZE, + "mlx4-comp-%d@pci:%s", i, + pci_name(dev->pdev)); + } else { + snprintf(priv->eq_table.irq_names + + i * MLX4_IRQNAME_SIZE, + MLX4_IRQNAME_SIZE, + "mlx4-async@pci:%s", + pci_name(dev->pdev)); + } + eq_name = priv->eq_table.irq_names + + i * MLX4_IRQNAME_SIZE; err = request_irq(priv->eq_table.eq[i].irq, mlx4_msi_x_interrupt, 0, eq_name, priv->eq_table.eq + i); @@ -658,8 +629,12 @@ int mlx4_init_eq_table(struct mlx4_dev *dev) priv->eq_table.eq[i].have_irq = 1; } } else { + snprintf(priv->eq_table.irq_names, + MLX4_IRQNAME_SIZE, + DRV_NAME "@pci:%s", + pci_name(dev->pdev)); err = request_irq(dev->pdev->irq, mlx4_interrupt, - IRQF_SHARED, DRV_NAME, dev); + IRQF_SHARED, priv->eq_table.irq_names, dev); if (err) goto err_out_async; |