Changeset f52e54da in mainline for generic/include

Timestamp:

2006-04-14T09:08:10Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

9e1b581

Parents:

9c1ecf9

Message:

Kernel support for SYS_ENABLE_IOSPACE.
amd64 and ia32 provide dummy implementation thereof.

Location:

generic/include

Files:

• ddi/ddi.h (modified) (1 diff)
• ddi/ddi_arg.h (modified) (1 diff)
• syscall/syscall.h (modified) (1 diff)

generic/include/ddi/ddi.h

@@ -32 +32 @@
 #include <ddi/ddi_arg.h>
 #include <arch/types.h>
+#include <typedefs.h>
 
-extern __native sys_map_physmem(ddi_arg_t *uspace_ddi_arg);
+extern __native sys_map_physmem(ddi_memarg_t *uspace_mem_arg);
+extern __native sys_enable_iospace(ddi_ioarg_t *uspace_io_arg);
+
+/*
+ * Interface to be implemented by all architectures.
+ */
+extern int ddi_enable_iospace_arch(task_t *task, __address ioaddr, size_t size);
 
 #endif

generic/include/ddi/ddi_arg.h

@@ -37 +37 @@
         unsigned long pages;            /** Number of pages to map. */
         int writable;                   /** True if the mapping should be writable. */
-} ddi_arg_t;
+} ddi_memarg_t;
+
+/** Structure encapsulating arguments for SYS_ENABLE_IOSPACE syscall. */
+typedef struct {
+        unsigned long long task_id;     /** ID of the destination task. */
+        void *ioaddr;                   /** Starting I/O space address. */
+        unsigned long size;             /** Number of bytes. */
+} ddi_ioarg_t;
 
 #endif

generic/include/syscall/syscall.h

@@ -50 +50 @@
         SYS_IPC_HANGUP,
         SYS_MAP_PHYSMEM,
+        SYS_ENABLE_IOSPACE,
         SYSCALL_END
 } syscall_t;