patch-2.1.23 linux/include/asm-sparc/ap1000/aplib.h

• Lines: 120
• Date: Sun Jan 26 12:07:47 1997
• Orig file: v2.1.22/linux/include/asm-sparc/ap1000/aplib.h
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v2.1.22/linux/include/asm-sparc/ap1000/aplib.h linux/include/asm-sparc/ap1000/aplib.h
@@ -0,0 +1,119 @@
+  /*
+   * Copyright 1996 The Australian National University.
+   * Copyright 1996 Fujitsu Laboratories Limited
+   * 
+   * This software may be distributed under the terms of the Gnu
+   * Public License version 2 or later
+  */
+
+/* aplib kernel interface definition */
+
+#ifndef _APLIB_H_
+#define _APLIB_H_
+
+struct aplib_struct {
+	unsigned *ringbuf;
+	unsigned write_pointer, read_pointer; /* in words */
+	unsigned ringbuf_size; /* in words */
+	unsigned rbuf_counter; /* read messages */
+	unsigned rbuf_flag1, rbuf_flag2; /* received messages */
+	unsigned *physical_cid; /* logical to physical mapping */
+	unsigned *rel_cid;      /* logical to relative (RTC) mapping */
+	unsigned numcells; /* number of logical cells */
+	unsigned numcells_x; /* number of logical cells in x direction */
+	unsigned numcells_y; /* number of logical cells in y direction */
+	unsigned cid, tid;      /* this cells logical cell ID and task ID */
+	unsigned cidx, cidy;    /* logical cell id in x and y direction */
+	unsigned ack_flag, ack_request;
+	unsigned ok_x, ok_y, ok_xy; /* whether hardware x, y and xy sends are allowed */
+};
+
+
+/*
+ * the system ringbuffer structure
+ * this is also the old way that tasks accessed the MSC hardware
+ */
+struct ringbuf_struct {
+	void *ringbuf; /* pointer to the ringbuf */
+	void *shared; /* pointer to the shared page */
+	int order; /* arg to __get_free_pages */
+	unsigned write_ptr; /* write pointer into the ringbuf */
+	unsigned vaddr; /* base virtual address of ringbuf for task */
+	unsigned frag_count; /* how many words in the frag queue */
+	unsigned frag_len; /* how many words expected in the frag queue */
+	unsigned sq_fragment[16]; /* if the task switches part way through
+				     an op then shove the partial op here */
+};
+
+
+#define APLIB_INIT    1
+#define APLIB_SYNC    2
+#define APLIB_GET     3
+#define APLIB_PUT     4
+#define APLIB_SEND    5
+#define APLIB_PROBE   6
+#define APLIB_POLL    7
+#define APLIB_XSEND   8
+#define APLIB_YSEND   9
+#define APLIB_XYSEND 10
+#define APLIB_XPUT   11
+#define APLIB_YPUT   12
+#define APLIB_XYPUT  13
+
+
+/* message kinds */
+#define RBUF_SYSTEM  0
+#define RBUF_SEND    1
+#define RBUF_X_BRD   2
+#define RBUF_Y_BRD   3
+#define RBUF_XY_BRD  4
+#define RBUF_RPC     5
+#define RBUF_GET     6
+#define RBUF_MPI     7
+#define RBUF_BIGSEND 8
+#define RBUF_SEEN   0xE
+#define RBUF_READ   0xF
+
+#define APLIB_PAGE_BASE 0xd0000000
+#define APLIB_PAGE_LEN  8192
+
+struct aplib_init {
+	unsigned numcells, cid;
+	unsigned numcells_x, numcells_y;
+	unsigned *phys_cells; /* physical cell list */
+	unsigned *ringbuffer;  /* pointer to user supplied ring buffer */
+	unsigned ringbuf_size; /* in words */
+};
+
+
+struct aplib_putget {
+	unsigned cid;
+	unsigned *src_addr, *dest_addr;
+	unsigned size; /* in words */
+	unsigned *dest_flag, *src_flag;
+	unsigned ack;
+};
+
+
+struct aplib_send {
+	/* the ordering here is actually quite important - the parts to be
+	   read by the bigrecv function must be in the first 24 bytes */
+	unsigned src_addr;
+	unsigned size;
+	unsigned info1, info2;
+	unsigned flag_addr;
+	volatile unsigned flag;
+	unsigned type;
+	unsigned tag;
+	unsigned cid;
+};
+
+#ifdef __KERNEL__
+#define MAX_PUT_SIZE (1024*1024 - 1) /* in words */
+#define SMALL_SEND_THRESHOLD 128
+
+
+#endif
+
+#endif /* _APLIB_H_ */
+