diff options
Diffstat (limited to 'drivers/net/ethernet/google/gve/gve_main.c')
| -rw-r--r-- | drivers/net/ethernet/google/gve/gve_main.c | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/drivers/net/ethernet/google/gve/gve_main.c b/drivers/net/ethernet/google/gve/gve_main.c index 59b66f679e46..348b4cfc4a12 100644 --- a/drivers/net/ethernet/google/gve/gve_main.c +++ b/drivers/net/ethernet/google/gve/gve_main.c @@ -334,15 +334,23 @@ static int gve_alloc_notify_blocks(struct gve_priv *priv) dev_err(&priv->pdev->dev, "Did not receive management vector.\n"); goto abort_with_msix_enabled; } - priv->ntfy_blocks = + priv->irq_db_indices = dma_alloc_coherent(&priv->pdev->dev, priv->num_ntfy_blks * - sizeof(*priv->ntfy_blocks), - &priv->ntfy_block_bus, GFP_KERNEL); - if (!priv->ntfy_blocks) { + sizeof(*priv->irq_db_indices), + &priv->irq_db_indices_bus, GFP_KERNEL); + if (!priv->irq_db_indices) { err = -ENOMEM; goto abort_with_mgmt_vector; } + + priv->ntfy_blocks = kvzalloc(priv->num_ntfy_blks * + sizeof(*priv->ntfy_blocks), GFP_KERNEL); + if (!priv->ntfy_blocks) { + err = -ENOMEM; + goto abort_with_irq_db_indices; + } + /* Setup the other blocks - the first n-1 vectors */ for (i = 0; i < priv->num_ntfy_blks; i++) { struct gve_notify_block *block = &priv->ntfy_blocks[i]; @@ -361,6 +369,7 @@ static int gve_alloc_notify_blocks(struct gve_priv *priv) } irq_set_affinity_hint(priv->msix_vectors[msix_idx].vector, get_cpu_mask(i % active_cpus)); + block->irq_db_index = &priv->irq_db_indices[i].index; } return 0; abort_with_some_ntfy_blocks: @@ -372,10 +381,13 @@ abort_with_some_ntfy_blocks: NULL); free_irq(priv->msix_vectors[msix_idx].vector, block); } - dma_free_coherent(&priv->pdev->dev, priv->num_ntfy_blks * - sizeof(*priv->ntfy_blocks), - priv->ntfy_blocks, priv->ntfy_block_bus); + kvfree(priv->ntfy_blocks); priv->ntfy_blocks = NULL; +abort_with_irq_db_indices: + dma_free_coherent(&priv->pdev->dev, priv->num_ntfy_blks * + sizeof(*priv->irq_db_indices), + priv->irq_db_indices, priv->irq_db_indices_bus); + priv->irq_db_indices = NULL; abort_with_mgmt_vector: free_irq(priv->msix_vectors[priv->mgmt_msix_idx].vector, priv); abort_with_msix_enabled: @@ -403,10 +415,12 @@ static void gve_free_notify_blocks(struct gve_priv *priv) free_irq(priv->msix_vectors[msix_idx].vector, block); } free_irq(priv->msix_vectors[priv->mgmt_msix_idx].vector, priv); - dma_free_coherent(&priv->pdev->dev, - priv->num_ntfy_blks * sizeof(*priv->ntfy_blocks), - priv->ntfy_blocks, priv->ntfy_block_bus); + kvfree(priv->ntfy_blocks); priv->ntfy_blocks = NULL; + dma_free_coherent(&priv->pdev->dev, priv->num_ntfy_blks * + sizeof(*priv->irq_db_indices), + priv->irq_db_indices, priv->irq_db_indices_bus); + priv->irq_db_indices = NULL; pci_disable_msix(priv->pdev); kvfree(priv->msix_vectors); priv->msix_vectors = NULL; @@ -428,7 +442,7 @@ static int gve_setup_device_resources(struct gve_priv *priv) err = gve_adminq_configure_device_resources(priv, priv->counter_array_bus, priv->num_event_counters, - priv->ntfy_block_bus, + priv->irq_db_indices_bus, priv->num_ntfy_blks); if (unlikely(err)) { dev_err(&priv->pdev->dev, |