IB/mlx5: Fix eq names to display nicely in /proc/interrupts

It's helpful for a driver to put the pci slot name in its interrupt
names, so /proc/interrupts will show the pci slot of the device.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index b267c65..b1a6cb3 100644 (file)
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -164,6 +164,7 @@ int mlx5_vector2eqn(struct mlx5_ib_dev *dev, int vector, int *eqn, int *irqn)
 static int alloc_comp_eqs(struct mlx5_ib_dev *dev)
 {
        struct mlx5_eq_table *table = &dev->mdev.priv.eq_table;
+       char name[MLX5_MAX_EQ_NAME];
        struct mlx5_eq *eq, *n;
        int ncomp_vec;
        int nent;
@@ -180,11 +181,10 @@ static int alloc_comp_eqs(struct mlx5_ib_dev *dev)
                        goto clean;
                }
 
-               snprintf(eq->name, MLX5_MAX_EQ_NAME, "mlx5_comp%d", i);
+               snprintf(name, MLX5_MAX_EQ_NAME, "mlx5_comp%d", i);
                err = mlx5_create_map_eq(&dev->mdev, eq,
                                         i + MLX5_EQ_VEC_COMP_BASE, nent, 0,
-                                        eq->name,
-                                        &dev->mdev.priv.uuari.uars[0]);
+                                        name, &dev->mdev.priv.uuari.uars[0]);
                if (err) {
                        kfree(eq);
                        goto clean;

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
index 443cc4d..2231d93 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
@@ -366,9 +366,11 @@ int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
                goto err_in;
        }
 
+       snprintf(eq->name, MLX5_MAX_EQ_NAME, "%s@pci:%s",
+                name, pci_name(dev->pdev));
        eq->eqn = out.eq_number;
        err = request_irq(table->msix_arr[vecidx].vector, mlx5_msix_handler, 0,
-                         name, eq);
+                         eq->name, eq);
        if (err)
                goto err_eq;
 

diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 2cfc430..6b8c496 100644 (file)
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -82,7 +82,7 @@ enum {
 };
 
 enum {
-       MLX5_MAX_EQ_NAME        = 20
+       MLX5_MAX_EQ_NAME        = 32
 };
 
 enum {