qede: Add support for dumping the grc data.
This patch adds driver support for configuring grc dump config flags, and dumping the grc data via ethtool get/set-dump interfaces. Signed-off-by: Sudarsana Reddy Kalluru <skalluru@marvell.com> Signed-off-by: Ariel Elior <aelior@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -181,6 +181,7 @@ enum qede_flags_bit {
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enum qede_dump_cmd {
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QEDE_DUMP_CMD_NONE = 0,
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QEDE_DUMP_CMD_NVM_CFG,
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QEDE_DUMP_CMD_GRCDUMP,
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QEDE_DUMP_CMD_MAX
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};
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@ -2001,6 +2001,10 @@ static int qede_set_dump(struct net_device *dev, struct ethtool_dump *val)
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edev->dump_info.args[edev->dump_info.num_args] = val->flag;
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edev->dump_info.num_args++;
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break;
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case QEDE_DUMP_CMD_GRCDUMP:
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rc = edev->ops->common->set_grc_config(edev->cdev,
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val->flag, 1);
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break;
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default:
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break;
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}
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@ -2013,14 +2017,24 @@ static int qede_get_dump_flag(struct net_device *dev,
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{
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struct qede_dev *edev = netdev_priv(dev);
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if (!edev->ops || !edev->ops->common) {
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DP_ERR(edev, "Edev ops not populated\n");
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return -EINVAL;
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}
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dump->version = QEDE_DUMP_VERSION;
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switch (edev->dump_info.cmd) {
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case QEDE_DUMP_CMD_NVM_CFG:
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dump->flag = QEDE_DUMP_CMD_NVM_CFG;
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dump->len = QEDE_DUMP_NVM_BUF_LEN;
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break;
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default:
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case QEDE_DUMP_CMD_GRCDUMP:
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dump->flag = QEDE_DUMP_CMD_GRCDUMP;
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dump->len = edev->ops->common->dbg_all_data_size(edev->cdev);
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break;
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default:
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DP_ERR(edev, "Invalid cmd = %d\n", edev->dump_info.cmd);
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return -EINVAL;
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}
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DP_VERBOSE(edev, QED_MSG_DEBUG,
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@ -2033,7 +2047,14 @@ static int qede_get_dump_data(struct net_device *dev,
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struct ethtool_dump *dump, void *buf)
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{
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struct qede_dev *edev = netdev_priv(dev);
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int rc;
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int rc = 0;
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if (!edev->ops || !edev->ops->common) {
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DP_ERR(edev, "Edev ops not populated\n");
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edev->dump_info.cmd = QEDE_DUMP_CMD_NONE;
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edev->dump_info.num_args = 0;
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return -EINVAL;
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}
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switch (edev->dump_info.cmd) {
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case QEDE_DUMP_CMD_NVM_CFG:
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@ -2047,6 +2068,10 @@ static int qede_get_dump_data(struct net_device *dev,
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edev->dump_info.args[0],
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edev->dump_info.args[1]);
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break;
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case QEDE_DUMP_CMD_GRCDUMP:
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memset(buf, 0, dump->len);
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rc = edev->ops->common->dbg_all_data(edev->cdev, buf);
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break;
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default:
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DP_ERR(edev, "Invalid cmd = %d\n", edev->dump_info.cmd);
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rc = -EINVAL;
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