ionic: Add hardware init and device commands

The ionic device has a small set of PCI registers, including a
device control and data space, and a large set of message
commands.

Also adds new DEVLINK_INFO_VERSION_GENERIC tags for
ASIC_ID, ASIC_REV, and FW.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 52 insertions, 1 deletions

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_devlink.c b/drivers/net/ethernet/pensando/ionic/ionic_devlink.c
index d2665cee517a..2413b6162dc3 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_devlink.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_devlink.c
@@ -11,7 +11,39 @@
 static int ionic_dl_info_get(struct devlink *dl, struct devlink_info_req *req,
 			     struct netlink_ext_ack *extack)
 {
-	return devlink_info_driver_name_put(req, IONIC_DRV_NAME);
+	struct ionic *ionic = devlink_priv(dl);
+	struct ionic_dev *idev = &ionic->idev;
+	char buf[16];
+	int err = 0;
+
+	err = devlink_info_driver_name_put(req, IONIC_DRV_NAME);
+	if (err)
+		goto info_out;
+
+	err = devlink_info_version_running_put(req,
+					       DEVLINK_INFO_VERSION_GENERIC_FW,
+					       idev->dev_info.fw_version);
+	if (err)
+		goto info_out;
+
+	snprintf(buf, sizeof(buf), "0x%x", idev->dev_info.asic_type);
+	err = devlink_info_version_fixed_put(req,
+					     DEVLINK_INFO_VERSION_GENERIC_ASIC_ID,
+					     buf);
+	if (err)
+		goto info_out;
+
+	snprintf(buf, sizeof(buf), "0x%x", idev->dev_info.asic_rev);
+	err = devlink_info_version_fixed_put(req,
+					     DEVLINK_INFO_VERSION_GENERIC_ASIC_REV,
+					     buf);
+	if (err)
+		goto info_out;
+
+	err = devlink_info_serial_number_put(req, idev->dev_info.serial_num);
+
+info_out:
+	return err;
 }
 
 static const struct devlink_ops ionic_dl_ops = {
@@ -33,3 +65,22 @@ void ionic_devlink_free(struct ionic *ionic)
 
 	devlink_free(dl);
 }
+
+int ionic_devlink_register(struct ionic *ionic)
+{
+	struct devlink *dl = priv_to_devlink(ionic);
+	int err;
+
+	err = devlink_register(dl, ionic->dev);
+	if (err)
+		dev_warn(ionic->dev, "devlink_register failed: %d\n", err);
+
+	return err;
+}
+
+void ionic_devlink_unregister(struct ionic *ionic)
+{
+	struct devlink *dl = priv_to_devlink(ionic);
+
+	devlink_unregister(dl);
+}