Changeset 0511549 in mainline for uspace/srv/devman/client_conn.c

Timestamp:

2013-09-10T23:11:34Z (11 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

de3d15b4

Parents:

5df1963

Message:

Add devctl list-drv subcommand to list known drivers.

File:

• uspace/srv/devman/client_conn.c (modified) (4 diffs)

uspace/srv/devman/client_conn.c

@@ -317 +317 @@
 }
 
-
 /** Get handle for child device of a function. */
 static void devman_fun_get_child(ipc_callid_t iid, ipc_call_t *icall)
@@ -417 +416 @@
 }
 
+/** Get list of all registered drivers. */
+static void devman_get_drivers(ipc_callid_t iid, ipc_call_t *icall)
+{
+        ipc_callid_t callid;
+        size_t size;
+        size_t act_size;
+        int rc;
+        
+        if (!async_data_read_receive(&callid, &size)) {
+                async_answer_0(callid, EREFUSED);
+                async_answer_0(iid, EREFUSED);
+                return;
+        }
+        
+        devman_handle_t *hdl_buf = (devman_handle_t *) malloc(size);
+        if (hdl_buf == NULL) {
+                async_answer_0(callid, ENOMEM);
+                async_answer_0(iid, ENOMEM);
+                return;
+        }
+        
+        rc = driver_get_list(&drivers_list, hdl_buf, size, &act_size);
+        if (rc != EOK) {
+                async_answer_0(callid, rc);
+                async_answer_0(iid, rc);
+                return;
+        }
+        
+        sysarg_t retval = async_data_read_finalize(callid, hdl_buf, size);
+        free(hdl_buf);
+        
+        async_answer_1(iid, retval, act_size);
+}
+
+/** Get driver name. */
+static void devman_driver_get_name(ipc_callid_t iid, ipc_call_t *icall)
+{
+        devman_handle_t handle = IPC_GET_ARG1(*icall);
+
+        driver_t *drv = driver_find(&drivers_list, handle);
+        if (drv == NULL) {
+                async_answer_0(iid, ENOMEM);
+                return;
+        }
+
+        ipc_callid_t data_callid;
+        size_t data_len;
+        if (!async_data_read_receive(&data_callid, &data_len)) {
+                async_answer_0(iid, EINVAL);
+                return;
+        }
+
+        void *buffer = malloc(data_len);
+        if (buffer == NULL) {
+                async_answer_0(data_callid, ENOMEM);
+                async_answer_0(iid, ENOMEM);
+                return;
+        }
+
+        fibril_mutex_lock(&drv->driver_mutex);
+
+        size_t sent_length = str_size(drv->name);
+        if (sent_length > data_len) {
+                sent_length = data_len;
+        }
+
+        async_data_read_finalize(data_callid, drv->name, sent_length);
+        async_answer_0(iid, EOK);
+
+        fibril_mutex_unlock(&drv->driver_mutex);
+
+        free(buffer);
+}
+
 /** Function for handling connections from a client to the device manager. */
 void devman_connection_client(ipc_callid_t iid, ipc_call_t *icall)
@@ -441 +514 @@
                         break;
                 case DEVMAN_FUN_GET_NAME:
+                        printf("devman_fun_get_name\n");
                         devman_fun_get_name(callid, &call);
                         break;
@@ -457 +531 @@
                 case DEVMAN_FUN_SID_TO_HANDLE:
                         devman_fun_sid_to_handle(callid, &call);
+                        break;
+                case DEVMAN_GET_DRIVERS:
+                        devman_get_drivers(callid, &call);
+                        break;
+                case DEVMAN_DRIVER_GET_NAME:
+                        printf("devman_get_driver_name\n");
+                        devman_driver_get_name(callid, &call);
                         break;
                 default: