This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / asm-mips / rtlx.h

diff --git a/include/asm-mips/rtlx.h b/include/asm-mips/rtlx.h
new file mode 100644 (file)
index 0000000..76cd51c
--- /dev/null
+++ b/include/asm-mips/rtlx.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2004, 2005 MIPS Technologies, Inc.  All rights reserved.
+ *
+ */
+
+#ifndef __ASM_RTLX_H
+#define __ASM_RTLX_H_
+
+#define LX_NODE_BASE 10
+
+#define MIPSCPU_INT_BASE       16
+#define MIPS_CPU_RTLX_IRQ 0
+
+#define RTLX_VERSION 2
+#define RTLX_xID 0x12345600
+#define RTLX_ID (RTLX_xID | RTLX_VERSION)
+#define RTLX_CHANNELS 8
+
+#define RTLX_CHANNEL_STDIO     0
+#define RTLX_CHANNEL_DBG       1
+#define RTLX_CHANNEL_SYSIO     2
+
+extern int rtlx_open(int index, int can_sleep);
+extern int rtlx_release(int index);
+extern ssize_t rtlx_read(int index, void *buff, size_t count, int user);
+extern ssize_t rtlx_write(int index, void *buffer, size_t count, int user);
+extern unsigned int rtlx_read_poll(int index, int can_sleep);
+extern unsigned int rtlx_write_poll(int index);
+
+enum rtlx_state {
+       RTLX_STATE_UNUSED,
+       RTLX_STATE_INITIALISED,
+       RTLX_STATE_REMOTE_READY,
+       RTLX_STATE_OPENED
+};
+
+#define RTLX_BUFFER_SIZE 1024
+
+/* each channel supports read and write.
+   linux (vpe0) reads lx_buffer  and writes rt_buffer
+   SP (vpe1) reads rt_buffer and writes lx_buffer
+*/
+struct rtlx_channel {
+       enum rtlx_state rt_state;
+       enum rtlx_state lx_state;
+
+       int buffer_size;
+
+       /* read and write indexes per buffer */
+       int rt_write, rt_read;
+       char *rt_buffer;
+
+       int lx_write, lx_read;
+       char *lx_buffer;
+};
+
+struct rtlx_info {
+       unsigned long id;
+       enum rtlx_state state;
+
+       struct rtlx_channel channel[RTLX_CHANNELS];
+};
+
+#endif /* __ASM_RTLX_H_ */