--- /dev/null
+/*
+ * Copyright (c) 2003 Cray, Inc.
+ *
+ * The contents of this file are proprietary information of Cray Inc.
+ * and may not be disclosed without prior written consent.
+ */
+/*
+ *
+ * This code is licensed under the GNU General Public License,
+ * Version 2. See the file COPYING for more details.
+ */
+
+
+#ifndef __CRAY_EVENT_DEF_H__
+#define __CRAY_EVENT_DEF_H__
+
+
+#include <lwk/types.h>
+#include <lwk/time.h>
+#include <rca/rca_defs.h>
+
+typedef union rs_node_u {
+ /* Little Endian */
+ struct {
+ uint32_t _node_arch : 2; /* System architecture */
+ uint32_t _node_type : 6; /* Component type */
+ uint32_t _node_state : 7; /* Component state from SM */
+ uint32_t _node_is_svc : 1; /* Service node bit */
+
+ uint32_t _node_id : 16; /* Node and Seastar NID */
+
+ uint32_t : 2; /* Unused */
+ uint32_t _node_x : 6; /* What position in the row */
+ uint32_t _node_subtype : 4; /* Component subtype */
+ uint32_t _node_row : 4; /* Which row of cabinets */
+
+ uint32_t _node_cage : 4; /* Cage in the cabinet */
+ uint32_t _node_slot : 4; /* Slot in the cage */
+ uint32_t _node_modcomp : 4; /* Component on a module */
+ uint32_t _node_link : 4; /* Link on seastar */
+ } __attribute__((packed)) rs_node_s;
+ struct {
+ uint32_t :2, :6, :7, :1, :16, :2, :6, :4, :4; /* Unused fields */
+ uint32_t _node_startx : 8; /* What position in the row */
+ uint32_t _node_endx : 8; /* Which row of cabinets */
+ } __attribute__((packed)) rs_node_s1;
+ uint64_t rs_node_flat;
+} __attribute__((packed)) rs_node_t;
+
+/* TODO: this and RCA RS_MSG_LEN define needs to be taken out soon. */
+#ifndef RS_MSG_LEN
+#define RS_MSG_LEN 1
+#endif
+
+typedef uint32_t rs_error_code_t;
+typedef int32_t rs_event_code_t;
+
+
+// from rs_svc_id.h
+
+/* NOTE for the following event related structures:
+ * ###################################################################
+ * There are following restrictions for the L0 Opteron communication
+ * related structures.
+ * The elements must be aligned on 4-byte boundaries. The structure
+ * size must be a multiple of 4 bytes. Structures should be packed so
+ * that the compiler will not insert padding.
+ * ###################################################################
+ */
+typedef uint32_t rs_service_t;
+typedef uint32_t rs_instance_t;
+typedef uint32_t rs_priority_t;
+typedef uint32_t rs_flag_t;
+
+/*
+ * NOTE: This rs_service_id_t is packed. If we update this structure,
+ * we need to make sure that each element is 4-byte aligned,
+ * otherwise it might break the L0 Opteron communication (size
+ * of rs_service_id_t must be a multiple of 4bytes).
+ */
+typedef struct rs_service_id_s {
+ rs_instance_t svid_inst; /* a sequence identifier */
+ rs_service_t svid_type; /* the kind of service */
+ rs_node_t svid_node; /* the x.y.z coordinates */
+} __attribute__((packed)) rs_service_id_t;
+
+
+/* time structure
+ * rt_tv1 and rt_tv2 are hedges against field size inflation.
+ */
+typedef union rs_time_u {
+ struct timeval _rt_tv;
+ struct {
+ uint64_t _rt_tv1;
+ uint64_t _rt_tv2;
+ } rs_evtime_s; /* timeval needs to be adjusted for 32/64 bits */
+} rs_time_t;
+
+/*
+ * NOTE: This rs_event_t is packed. If we update this structure, we need to
+ * make sure that each element is 4-byte aligned, otherwise it might
+ * break the L0 Opteron communication (size of rs_event_t must be a
+ * multiple of 4bytes).
+ *
+ * event structure:
+ * may be used as a fixed or variable length event.
+ * In RCA's case, ev_data is fixed length and RS_MSG_LEN should be defined
+ * before inclusion of this file. ev_len here signifies the length in
+ * bytes of significant data in ev_data. The SMW, in contrast, treats events
+ * as variable length; RS_MSG_LEN is 1 and the actual length of the data is
+ * determined when the object is allocated. In this case the real length
+ * of ev_data is stored in ev_len. RCA related events has fixed length
+ * ev_data and RS_MSG_LEN is 256 (multiple of 4bytes). Same as the SMW
+ * events, real length of ev_data needs to be stored in ev_len.
+ */
+typedef struct rs_event_s {
+ rs_event_code_t ev_id; /* type of event */
+ uint32_t ev_seqnum; /* req/rsp sequence number */
+ rs_service_id_t ev_gen; /* what this event pertains to */
+ rs_service_id_t ev_src; /* creator of this event */
+ rs_flag_t ev_flag; /* any bit flags */
+ rs_time_t _ev_stp; /* time of event creation */
+ rs_priority_t ev_priority; /* priority [0 low, 9 high] */
+ int32_t ev_len; /* length of data */
+ char ev_data[RS_MSG_LEN]; /* payload (must be last) */
+} __attribute__((packed)) rs_event_t;
+
+#define rs_sizeof_event(data_length) \
+ (((int)(&((rs_event_t*)0)->ev_data)) + (data_length))
+
+#endif /* __CRAY_EVENT_DEF_H__ */
+
