Changeset e285656 in mainline for uspace/lib/c/generic/ddi.c

Timestamp:

2011-12-14T20:45:49Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

0cfb05e

Parents:

d6d15ec (diff), 9916841 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Mainline changes

File:

• uspace/lib/c/generic/ddi.c (modified) (4 diffs)

uspace/lib/c/generic/ddi.c

@@ -75 +75 @@
 }
 
+int dmamem_map(dmamem_t *dmamem, size_t pages, unsigned int map_flags,
+    unsigned int dma_flags)
+{
+        // FIXME TODO
+        return -1;
+}
+
+int dmamem_unmap(dmamem_t *dmamem)
+{
+        // FIXME TODO
+        return -1;
+}
+
+int dmamem_lock(void *virt, void **phys, size_t pages)
+{
+        // FIXME TODO
+        return -1;
+}
+
+int dmamem_unlock(void *virt, size_t pages)
+{
+        // FIXME TODO
+        return -1;
+}
+
 /** Enable I/O space range to task.
  *
  * Caller of this function must have the IO_MEM_MANAGER capability.
  *
- * @param id            Task ID.
- * @param ioaddr        Starting address of the I/O range.
- * @param size          Size of the range.
+ * @param id     Task ID.
+ * @param ioaddr Starting address of the I/O range.
+ * @param size   Size of the range.
  *
- * @return              0 on success, EPERM if the caller lacks the
- *                      CAP_IO_MANAGER capability, ENOENT if there is no task
- *                      with specified ID and ENOMEM if there was some problem
- *                      in allocating memory.
+ * @return EOK on success
+ * @return EPERM if the caller lacks the CAP_IO_MANAGER capability
+ * @return ENOENT if there is no task with specified ID
+ * @return ENOMEM if there was some problem in allocating memory.
+ *
  */
 int iospace_enable(task_id_t id, void *ioaddr, unsigned long size)
 {
         ddi_ioarg_t arg;
-
+        
         arg.task_id = id;
         arg.ioaddr = ioaddr;
         arg.size = size;
-
+        
         return __SYSCALL1(SYS_IOSPACE_ENABLE, (sysarg_t) &arg);
 }
@@ -101 +127 @@
 /** Enable PIO for specified I/O range.
  *
- * @param pio_addr      I/O start address.
- * @param size          Size of the I/O region.
- * @param use_addr      Address where the final address for application's PIO
- *                      will be stored.
+ * @param pio_addr I/O start address.
+ * @param size     Size of the I/O region.
+ * @param use_addr Address where the final address for
+ *                 application's PIO will be stored.
  *
- * @return              Zero on success or negative error code.
+ * @return Zero on success or negative error code.
+ *
  */
 int pio_enable(void *pio_addr, size_t size, void **use_addr)
@@ -114 +141 @@
         size_t offset;
         unsigned int pages;
-
+        
 #ifdef IO_SPACE_BOUNDARY
         if (pio_addr < IO_SPACE_BOUNDARY) {
@@ -121 +148 @@
         }
 #endif
-
+        
         phys = (void *) ALIGN_DOWN((uintptr_t) pio_addr, PAGE_SIZE);
         offset = pio_addr - phys;