IB/mlx4: Display misc device information under /sys/class/infiniband/

[pandora-kernel.git] / drivers / net / mlx4 / main.c

diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index a4f2e04..9e590e1 100644 (file)
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -61,7 +61,7 @@ MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0");
 
 #ifdef CONFIG_PCI_MSI
 
-static int msi_x;
+static int msi_x = 1;
 module_param(msi_x, int, 0444);
 MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero");
 
@@ -78,7 +78,7 @@ static const char mlx4_version[] __devinitdata =
 static struct mlx4_profile default_profile = {
        .num_qp         = 1 << 16,
        .num_srq        = 1 << 16,
-       .rdmarc_per_qp  = 4,
+       .rdmarc_per_qp  = 1 << 4,
        .num_cq         = 1 << 16,
        .num_mcg        = 1 << 13,
        .num_mpt        = 1 << 17,
@@ -524,8 +524,8 @@ static int __devinit mlx4_init_hca(struct mlx4_dev *dev)
        }
 
        priv->eq_table.inta_pin = adapter.inta_pin;
-       priv->rev_id            = adapter.revision_id;
-       memcpy(priv->board_id, adapter.board_id, sizeof priv->board_id);
+       dev->rev_id             = adapter.revision_id;
+       memcpy(dev->board_id, adapter.board_id, sizeof dev->board_id);
 
        return 0;
 
@@ -583,13 +583,11 @@ static int __devinit mlx4_setup_hca(struct mlx4_dev *dev)
                goto err_pd_table_free;
        }
 
-       mlx4_map_catas_buf(dev);
-
        err = mlx4_init_eq_table(dev);
        if (err) {
                mlx4_err(dev, "Failed to initialize "
                         "event queue table, aborting.\n");
-               goto err_catas_buf;
+               goto err_mr_table_free;
        }
 
        err = mlx4_cmd_use_events(dev);
@@ -601,13 +599,17 @@ static int __devinit mlx4_setup_hca(struct mlx4_dev *dev)
 
        err = mlx4_NOP(dev);
        if (err) {
-               mlx4_err(dev, "NOP command failed to generate interrupt "
-                        "(IRQ %d), aborting.\n",
-                        priv->eq_table.eq[MLX4_EQ_ASYNC].irq);
-               if (dev->flags & MLX4_FLAG_MSI_X)
-                       mlx4_err(dev, "Try again with MSI-X disabled.\n");
-               else
+               if (dev->flags & MLX4_FLAG_MSI_X) {
+                       mlx4_warn(dev, "NOP command failed to generate MSI-X "
+                                 "interrupt IRQ %d).\n",
+                                 priv->eq_table.eq[MLX4_EQ_ASYNC].irq);
+                       mlx4_warn(dev, "Trying again without MSI-X.\n");
+               } else {
+                       mlx4_err(dev, "NOP command failed to generate interrupt "
+                                "(IRQ %d), aborting.\n",
+                                priv->eq_table.eq[MLX4_EQ_ASYNC].irq);
                        mlx4_err(dev, "BIOS or ACPI interrupt routing problem?\n");
+               }
 
                goto err_cmd_poll;
        }
@@ -659,8 +661,7 @@ err_cmd_poll:
 err_eq_table_free:
        mlx4_cleanup_eq_table(dev);
 
-err_catas_buf:
-       mlx4_unmap_catas_buf(dev);
+err_mr_table_free:
        mlx4_cleanup_mr_table(dev);
 
 err_pd_table_free:
@@ -806,8 +807,6 @@ static int __devinit mlx4_init_one(struct pci_dev *pdev,
                goto err_free_dev;
        }
 
-       mlx4_enable_msi_x(dev);
-
        if (mlx4_cmd_init(dev)) {
                mlx4_err(dev, "Failed to init command interface, aborting.\n");
                goto err_free_dev;
@@ -817,7 +816,15 @@ static int __devinit mlx4_init_one(struct pci_dev *pdev,
        if (err)
                goto err_cmd;
 
+       mlx4_enable_msi_x(dev);
+
        err = mlx4_setup_hca(dev);
+       if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X)) {
+               dev->flags &= ~MLX4_FLAG_MSI_X;
+               pci_disable_msix(pdev);
+               err = mlx4_setup_hca(dev);
+       }
+
        if (err)
                goto err_close;
 
@@ -836,23 +843,20 @@ err_cleanup:
        mlx4_cleanup_cq_table(dev);
        mlx4_cmd_use_polling(dev);
        mlx4_cleanup_eq_table(dev);
-
-       mlx4_unmap_catas_buf(dev);
-
        mlx4_cleanup_mr_table(dev);
        mlx4_cleanup_pd_table(dev);
        mlx4_cleanup_uar_table(dev);
 
 err_close:
+       if (dev->flags & MLX4_FLAG_MSI_X)
+               pci_disable_msix(pdev);
+
        mlx4_close_hca(dev);
 
 err_cmd:
        mlx4_cmd_cleanup(dev);
 
 err_free_dev:
-       if (dev->flags & MLX4_FLAG_MSI_X)
-               pci_disable_msix(pdev);
-
        kfree(priv);
 
 err_release_bar2:
@@ -885,9 +889,6 @@ static void __devexit mlx4_remove_one(struct pci_dev *pdev)
                mlx4_cleanup_cq_table(dev);
                mlx4_cmd_use_polling(dev);
                mlx4_cleanup_eq_table(dev);
-
-               mlx4_unmap_catas_buf(dev);
-
                mlx4_cleanup_mr_table(dev);
                mlx4_cleanup_pd_table(dev);
 
@@ -908,6 +909,12 @@ static void __devexit mlx4_remove_one(struct pci_dev *pdev)
        }
 }
 
+int mlx4_restart_one(struct pci_dev *pdev)
+{
+       mlx4_remove_one(pdev);
+       return mlx4_init_one(pdev, NULL);
+}
+
 static struct pci_device_id mlx4_pci_table[] = {
        { PCI_VDEVICE(MELLANOX, 0x6340) }, /* MT25408 "Hermon" SDR */
        { PCI_VDEVICE(MELLANOX, 0x634a) }, /* MT25408 "Hermon" DDR */
@@ -930,6 +937,10 @@ static int __init mlx4_init(void)
 {
        int ret;
 
+       ret = mlx4_catas_init();
+       if (ret)
+               return ret;
+
        ret = pci_register_driver(&mlx4_driver);
        return ret < 0 ? ret : 0;
 }
@@ -937,6 +948,7 @@ static int __init mlx4_init(void)
 static void __exit mlx4_cleanup(void)
 {
        pci_unregister_driver(&mlx4_driver);
+       mlx4_catas_cleanup();
 }
 
 module_init(mlx4_init);