Changeset 1a5b252 in mainline for uspace/lib/c/generic/devman.c

Timestamp:

2011-08-21T11:54:15Z (13 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

8cc4ddb

Parents:

e64df9a

Message:

DDF support for function offlining and onlining. This allows
(anticipated) hot removal — support needs to be added in individual
drivers, currently there is support in test1 and partially in rootvirt.
Surprise removal is not supported. TODO synchronization.

File:

• uspace/lib/c/generic/devman.c (modified) (2 diffs)

uspace/lib/c/generic/devman.c

@@ -327 +327 @@
 }
 
+int devman_drv_fun_online(devman_handle_t funh)
+{
+        async_exch_t *exch = devman_exchange_begin(DEVMAN_DRIVER);
+        if (exch == NULL)
+                return ENOMEM;
+        
+        sysarg_t retval = async_req_1_0(exch, DEVMAN_DRV_FUN_ONLINE, funh);
+        
+        devman_exchange_end(exch);
+        return (int) retval;
+}
+
+int devman_drv_fun_offline(devman_handle_t funh)
+{
+        async_exch_t *exch = devman_exchange_begin(DEVMAN_DRIVER);
+        if (exch == NULL)
+                return ENOMEM;
+        
+        sysarg_t retval = async_req_1_0(exch, DEVMAN_DRV_FUN_OFFLINE, funh);
+        
+        devman_exchange_end(exch);
+        return (int) retval;
+}
+
 async_sess_t *devman_parent_device_connect(exch_mgmt_t mgmt,
     devman_handle_t handle, unsigned int flags)
@@ -430 +454 @@
 }
 
+int devman_fun_online(devman_handle_t funh)
+{
+        async_exch_t *exch = devman_exchange_begin(DEVMAN_CLIENT);
+        if (exch == NULL)
+                return ENOMEM;
+        
+        sysarg_t retval = async_req_1_0(exch, DEVMAN_FUN_ONLINE, funh);
+        
+        devman_exchange_end(exch);
+        return (int) retval;
+}
+
+int devman_fun_offline(devman_handle_t funh)
+{
+        async_exch_t *exch = devman_exchange_begin(DEVMAN_CLIENT);
+        if (exch == NULL)
+                return ENOMEM;
+        
+        sysarg_t retval = async_req_1_0(exch, DEVMAN_FUN_OFFLINE, funh);
+        
+        devman_exchange_end(exch);
+        return (int) retval;
+}
+
 static int devman_get_handles_once(sysarg_t method, sysarg_t arg1,
     devman_handle_t *handle_buf, size_t buf_size, size_t *act_size)