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| author | Yishai Hadas <yishaih@mellanox.com> | 2015-01-25 16:59:35 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-01-25 14:43:13 -0800 |
| commit | 872bf2fb69d90e3619befee842fc26db39d8e475 (patch) | |
| tree | cd57553d6b75b48bf75a9aa6c4358fbed88e7b4a /drivers/net/ethernet/mellanox/mlx4/catas.c | |
| parent | 7aee42c6764bae75d0eb2f674f0874193de90c05 (diff) | |
| download | lwn-872bf2fb69d90e3619befee842fc26db39d8e475.tar.gz lwn-872bf2fb69d90e3619befee842fc26db39d8e475.zip | |
net/mlx4_core: Maintain a persistent memory for mlx4 device
Maintain a persistent memory that should survive reset flow/PCI error.
This comes as a preparation for coming series to support above flows.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/catas.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/catas.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/catas.c b/drivers/net/ethernet/mellanox/mlx4/catas.c index 9c656fe4983d..1a102c9bac99 100644 --- a/drivers/net/ethernet/mellanox/mlx4/catas.c +++ b/drivers/net/ethernet/mellanox/mlx4/catas.c @@ -70,7 +70,7 @@ static void poll_catas(unsigned long dev_ptr) if (readl(priv->catas_err.map)) { /* If the device is off-line, we cannot try to recover it */ - if (pci_channel_offline(dev->pdev)) + if (pci_channel_offline(dev->persist->pdev)) mod_timer(&priv->catas_err.timer, round_jiffies(jiffies + MLX4_CATAS_POLL_INTERVAL)); else { @@ -94,6 +94,7 @@ static void catas_reset(struct work_struct *work) { struct mlx4_priv *priv, *tmppriv; struct mlx4_dev *dev; + struct mlx4_dev_persistent *persist; LIST_HEAD(tlist); int ret; @@ -103,20 +104,20 @@ static void catas_reset(struct work_struct *work) spin_unlock_irq(&catas_lock); list_for_each_entry_safe(priv, tmppriv, &tlist, catas_err.list) { - struct pci_dev *pdev = priv->dev.pdev; + struct pci_dev *pdev = priv->dev.persist->pdev; /* If the device is off-line, we cannot reset it */ if (pci_channel_offline(pdev)) continue; - ret = mlx4_restart_one(priv->dev.pdev); + ret = mlx4_restart_one(priv->dev.persist->pdev); /* 'priv' now is not valid */ if (ret) pr_err("mlx4 %s: Reset failed (%d)\n", pci_name(pdev), ret); else { - dev = pci_get_drvdata(pdev); - mlx4_dbg(dev, "Reset succeeded\n"); + persist = pci_get_drvdata(pdev); + mlx4_dbg(persist->dev, "Reset succeeded\n"); } } } @@ -134,7 +135,7 @@ void mlx4_start_catas_poll(struct mlx4_dev *dev) init_timer(&priv->catas_err.timer); priv->catas_err.map = NULL; - addr = pci_resource_start(dev->pdev, priv->fw.catas_bar) + + addr = pci_resource_start(dev->persist->pdev, priv->fw.catas_bar) + priv->fw.catas_offset; priv->catas_err.map = ioremap(addr, priv->fw.catas_size * 4); |