Changeset 8300c72 in mainline for uspace/lib/drv/include/ddf/driver.h

Timestamp:

2025-03-03T22:58:05Z (13 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/lib/drv/include/ddf/driver.h (modified) (3 diffs)

uspace/lib/drv/include/ddf/driver.h

@@ -86 +86 @@
 /** Generic device driver operations */
 typedef struct driver_ops {
-        /** Callback method for passing a new device to the device driver */
+        /** Ask driver to add a new device */
         errno_t (*dev_add)(ddf_dev_t *);
 
@@ -94 +94 @@
         /** Inform driver a device disappeared */
         errno_t (*dev_gone)(ddf_dev_t *);
+
+        /** Ask driver to quiesce device (disable interrupts and DMA) */
+        errno_t (*dev_quiesce)(ddf_dev_t *);
 
         /** Ask driver to online a specific function */
@@ -129 +132 @@
 extern errno_t ddf_fun_online(ddf_fun_t *);
 extern errno_t ddf_fun_offline(ddf_fun_t *);
+extern errno_t ddf_fun_quiesce(ddf_fun_t *);
 extern errno_t ddf_fun_add_match_id(ddf_fun_t *, const char *, int);
 extern void ddf_fun_set_ops(ddf_fun_t *, const ddf_dev_ops_t *);