Changeset 8300c72 in mainline for uspace/drv/nic/e1k/e1k.c

Timestamp:

2025-03-03T22:58:05Z (14 hours ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

master

Children:

77a0119

Parents:

f35749e

Message:

Quiesce devices before proceeding with shutdown.

Only implemented for e1k, uhci and xhci.

File:

• uspace/drv/nic/e1k/e1k.c (modified) (3 diffs)

uspace/drv/nic/e1k/e1k.c

@@ -1 +1 @@
 /*
+ * Copyright (c) 2025 Jiri Svoboda
  * Copyright (c) 2011 Zdenek Bouska
  * All rights reserved.
@@ -220 +221 @@
 
 static errno_t e1000_dev_add(ddf_dev_t *);
+static errno_t e1000_dev_quiesce(ddf_dev_t *);
 
 /** Basic driver operations for E1000 driver */
 static driver_ops_t e1000_driver_ops = {
-        .dev_add = e1000_dev_add
+        .dev_add = e1000_dev_add,
+        .dev_quiesce = e1000_dev_quiesce
 };
 
@@ -2223 +2226 @@
 }
 
+/** Quiesce E1000 device.
+ *
+ * @param dev E1000 device.
+ *
+ */
+errno_t e1000_dev_quiesce(ddf_dev_t *dev)
+{
+        nic_t *nic = ddf_dev_data_get(dev);
+        e1000_t *e1000 = DRIVER_DATA_NIC(nic);
+        errno_t rc;
+
+        ddf_msg(LVL_DEBUG, "e1000_dev_quiesce()");
+
+        e1000_disable_interrupts(e1000);
+        rc = e1000_reset(nic);
+        if (rc != EOK)
+                ddf_msg(LVL_ERROR, "e1000_dev_quiesce failed");
+        return rc;
+}
+
 /** Read 16-bit value from EEPROM of E1000 adapter
  *