xref: /onnv-gate/usr/src/lib/librsm/inc/rsmapi.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 1999-2002 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #ifndef _RSMAPI_H
28*0Sstevel@tonic-gate #define	_RSMAPI_H
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #ifdef	__cplusplus
33*0Sstevel@tonic-gate extern "C" {
34*0Sstevel@tonic-gate #endif
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate #include <poll.h>
37*0Sstevel@tonic-gate #include <sys/param.h>
38*0Sstevel@tonic-gate #include <sys/rsm/rsm_common.h>
39*0Sstevel@tonic-gate #include <sys/rsm/rsmapi_common.h>
40*0Sstevel@tonic-gate 
41*0Sstevel@tonic-gate typedef enum {
42*0Sstevel@tonic-gate 	RSM_MAP_NONE = 0x0,
43*0Sstevel@tonic-gate 	RSM_MAP_FIXED = 0x1,
44*0Sstevel@tonic-gate 	RSM_MAP_RESERVED = 0x2
45*0Sstevel@tonic-gate }rsm_attribute_t;
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate /*
48*0Sstevel@tonic-gate  * Topology data structures - The primary structure is struct rsm_topology_t
49*0Sstevel@tonic-gate  *
50*0Sstevel@tonic-gate  * The key interconnect data required for segment operations includes the
51*0Sstevel@tonic-gate  * cluster nodeids and the controllers (name, hardware address); with
52*0Sstevel@tonic-gate  * the fundamental constraint that the controller specified for a segment
53*0Sstevel@tonic-gate  * import must have a physical connection with the contorller used in the
54*0Sstevel@tonic-gate  * export of the segment. To facilitate applications in the establishment
55*0Sstevel@tonic-gate  * of proper and efficient export and import policies, a delineation of the
56*0Sstevel@tonic-gate  * interconnect topology is provided by these data structures.
57*0Sstevel@tonic-gate  *
58*0Sstevel@tonic-gate  */
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate #define	RSM_CONNECTION_ACTIVE	3
62*0Sstevel@tonic-gate 
63*0Sstevel@tonic-gate 
64*0Sstevel@tonic-gate typedef struct rsm_topology_hdr {
65*0Sstevel@tonic-gate 	rsm_node_id_t		local_nodeid;
66*0Sstevel@tonic-gate 	uint_t			local_cntlr_count;
67*0Sstevel@tonic-gate } rsm_topology_hdr_t;
68*0Sstevel@tonic-gate 
69*0Sstevel@tonic-gate 
70*0Sstevel@tonic-gate typedef struct rsm_connections_hdr {
71*0Sstevel@tonic-gate 	char		cntlr_name[MAXNAMELEN]; /* <cntlr_type><unit> */
72*0Sstevel@tonic-gate 	rsm_addr_t	local_hwaddr;
73*0Sstevel@tonic-gate 	int		remote_cntlr_count;
74*0Sstevel@tonic-gate } rsm_connections_hdr_t;
75*0Sstevel@tonic-gate 
76*0Sstevel@tonic-gate 
77*0Sstevel@tonic-gate /*
78*0Sstevel@tonic-gate  * The remote cntrlname element should be used for matching with the
79*0Sstevel@tonic-gate  * cntrlname of an exported segment.
80*0Sstevel@tonic-gate  *
81*0Sstevel@tonic-gate  * An application must not attempt to use a connection unless the
82*0Sstevel@tonic-gate  * the connection_state element of struct rsm_remote_cntlr_t is equal to
83*0Sstevel@tonic-gate  * RSM_CONNECTION_ACTIVE
84*0Sstevel@tonic-gate  */
85*0Sstevel@tonic-gate typedef struct rsm_remote_cntlr {
86*0Sstevel@tonic-gate 	rsm_node_id_t		remote_nodeid;
87*0Sstevel@tonic-gate 	char			remote_cntlrname[MAXNAMELEN];
88*0Sstevel@tonic-gate 	rsm_addr_t		remote_hwaddr;
89*0Sstevel@tonic-gate 	uint_t			connection_state;
90*0Sstevel@tonic-gate } rsm_remote_cntlr_t;
91*0Sstevel@tonic-gate 
92*0Sstevel@tonic-gate 
93*0Sstevel@tonic-gate /*
94*0Sstevel@tonic-gate  * The actual size of the remote_cntlr array is equal to the remote_cntlr_count
95*0Sstevel@tonic-gate  * of the rsm_connections_hdr_t struct.
96*0Sstevel@tonic-gate  */
97*0Sstevel@tonic-gate typedef struct rsm_connection {
98*0Sstevel@tonic-gate 	rsm_connections_hdr_t	hdr;
99*0Sstevel@tonic-gate 	rsm_remote_cntlr_t	remote_cntlr[1];
100*0Sstevel@tonic-gate } rsm_connections_t;
101*0Sstevel@tonic-gate 
102*0Sstevel@tonic-gate 
103*0Sstevel@tonic-gate /*
104*0Sstevel@tonic-gate  * A pointer to an instance of this structure type is returned by a call
105*0Sstevel@tonic-gate  * to rsm_get_interconnect_topology().  The actual size of the connections
106*0Sstevel@tonic-gate  * array is equal to the local_cntlr_count of the rsm_topology_hdr_t struct.
107*0Sstevel@tonic-gate  */
108*0Sstevel@tonic-gate typedef struct rsm_topology {
109*0Sstevel@tonic-gate 	rsm_topology_hdr_t	topology_hdr;
110*0Sstevel@tonic-gate 	rsm_connections_t	*connections[1];
111*0Sstevel@tonic-gate } rsm_topology_t;
112*0Sstevel@tonic-gate 
113*0Sstevel@tonic-gate /*
114*0Sstevel@tonic-gate  * function templates:
115*0Sstevel@tonic-gate  */
116*0Sstevel@tonic-gate 
117*0Sstevel@tonic-gate int rsm_get_controller(char *name, rsmapi_controller_handle_t *controller);
118*0Sstevel@tonic-gate 
119*0Sstevel@tonic-gate int rsm_get_controller_attr(rsmapi_controller_handle_t chdl,
120*0Sstevel@tonic-gate     rsmapi_controller_attr_t *attr);
121*0Sstevel@tonic-gate 
122*0Sstevel@tonic-gate int rsm_release_controller(rsmapi_controller_handle_t controller);
123*0Sstevel@tonic-gate 
124*0Sstevel@tonic-gate /*
125*0Sstevel@tonic-gate  * Export side memory segment operations
126*0Sstevel@tonic-gate  */
127*0Sstevel@tonic-gate int rsm_memseg_export_create(rsmapi_controller_handle_t controller,
128*0Sstevel@tonic-gate     rsm_memseg_export_handle_t *memseg,
129*0Sstevel@tonic-gate     void *vaddr, size_t size, uint_t flags);
130*0Sstevel@tonic-gate 
131*0Sstevel@tonic-gate 
132*0Sstevel@tonic-gate int rsm_memseg_export_destroy(rsm_memseg_export_handle_t memseg);
133*0Sstevel@tonic-gate 
134*0Sstevel@tonic-gate 
135*0Sstevel@tonic-gate 
136*0Sstevel@tonic-gate int rsm_memseg_export_rebind(rsm_memseg_export_handle_t memseg,
137*0Sstevel@tonic-gate     void *vaddr, offset_t off, size_t size);
138*0Sstevel@tonic-gate 
139*0Sstevel@tonic-gate 
140*0Sstevel@tonic-gate 
141*0Sstevel@tonic-gate int rsm_memseg_export_publish(rsm_memseg_export_handle_t memseg,
142*0Sstevel@tonic-gate     rsm_memseg_id_t *segment_id,
143*0Sstevel@tonic-gate     rsmapi_access_entry_t access_list[],
144*0Sstevel@tonic-gate     uint_t access_list_length);
145*0Sstevel@tonic-gate 
146*0Sstevel@tonic-gate 
147*0Sstevel@tonic-gate int rsm_memseg_export_unpublish(rsm_memseg_export_handle_t memseg);
148*0Sstevel@tonic-gate 
149*0Sstevel@tonic-gate int rsm_memseg_export_republish(rsm_memseg_export_handle_t memseg,
150*0Sstevel@tonic-gate     rsmapi_access_entry_t access_list[],
151*0Sstevel@tonic-gate     uint_t access_list_length);
152*0Sstevel@tonic-gate 
153*0Sstevel@tonic-gate 
154*0Sstevel@tonic-gate 
155*0Sstevel@tonic-gate 
156*0Sstevel@tonic-gate 
157*0Sstevel@tonic-gate 
158*0Sstevel@tonic-gate 
159*0Sstevel@tonic-gate /*
160*0Sstevel@tonic-gate  * import side memory segment operations:
161*0Sstevel@tonic-gate  */
162*0Sstevel@tonic-gate 
163*0Sstevel@tonic-gate int rsm_memseg_import_connect(rsmapi_controller_handle_t controller,
164*0Sstevel@tonic-gate     rsm_node_id_t node_id,
165*0Sstevel@tonic-gate     rsm_memseg_id_t segment_id,
166*0Sstevel@tonic-gate     rsm_permission_t perm,
167*0Sstevel@tonic-gate     rsm_memseg_import_handle_t *im_memseg);
168*0Sstevel@tonic-gate 
169*0Sstevel@tonic-gate 
170*0Sstevel@tonic-gate int rsm_memseg_import_disconnect(rsm_memseg_import_handle_t im_memseg);
171*0Sstevel@tonic-gate 
172*0Sstevel@tonic-gate 
173*0Sstevel@tonic-gate 
174*0Sstevel@tonic-gate /*
175*0Sstevel@tonic-gate  * import side memory segment operations (read access functions):
176*0Sstevel@tonic-gate  */
177*0Sstevel@tonic-gate int rsm_memseg_import_get8(rsm_memseg_import_handle_t im_memseg,
178*0Sstevel@tonic-gate     off_t offset,
179*0Sstevel@tonic-gate     uint8_t *datap,
180*0Sstevel@tonic-gate     ulong_t rep_cnt);
181*0Sstevel@tonic-gate int rsm_memseg_import_get16(rsm_memseg_import_handle_t im_memseg,
182*0Sstevel@tonic-gate     off_t offset,
183*0Sstevel@tonic-gate     uint16_t *datap,
184*0Sstevel@tonic-gate     ulong_t rep_cnt);
185*0Sstevel@tonic-gate int rsm_memseg_import_get32(rsm_memseg_import_handle_t im_memseg,
186*0Sstevel@tonic-gate     off_t offset,
187*0Sstevel@tonic-gate     uint32_t *datap,
188*0Sstevel@tonic-gate     ulong_t rep_cnt);
189*0Sstevel@tonic-gate int rsm_memseg_import_get64(rsm_memseg_import_handle_t im_memseg,
190*0Sstevel@tonic-gate     off_t offset,
191*0Sstevel@tonic-gate     uint64_t *datap,
192*0Sstevel@tonic-gate     ulong_t rep_cnt);
193*0Sstevel@tonic-gate int rsm_memseg_import_get(rsm_memseg_import_handle_t im_memseg,
194*0Sstevel@tonic-gate     off_t offset,
195*0Sstevel@tonic-gate     void *dst_addr,
196*0Sstevel@tonic-gate     size_t length);
197*0Sstevel@tonic-gate 
198*0Sstevel@tonic-gate int rsm_memseg_import_getv(rsm_scat_gath_t *);
199*0Sstevel@tonic-gate 
200*0Sstevel@tonic-gate 
201*0Sstevel@tonic-gate 
202*0Sstevel@tonic-gate /*
203*0Sstevel@tonic-gate  * import side memory segment operations (write access functions):
204*0Sstevel@tonic-gate  */
205*0Sstevel@tonic-gate int rsm_memseg_import_put8(rsm_memseg_import_handle_t im_memseg,
206*0Sstevel@tonic-gate     off_t offset,
207*0Sstevel@tonic-gate     uint8_t *datap,
208*0Sstevel@tonic-gate     ulong_t rep_cnt);
209*0Sstevel@tonic-gate int rsm_memseg_import_put16(rsm_memseg_import_handle_t im_memseg,
210*0Sstevel@tonic-gate     off_t offset,
211*0Sstevel@tonic-gate     uint16_t *datap,
212*0Sstevel@tonic-gate     ulong_t rep_cnt);
213*0Sstevel@tonic-gate int rsm_memseg_import_put32(rsm_memseg_import_handle_t im_memseg,
214*0Sstevel@tonic-gate     off_t offset,
215*0Sstevel@tonic-gate     uint32_t *datap,
216*0Sstevel@tonic-gate     ulong_t rep_cnt);
217*0Sstevel@tonic-gate int rsm_memseg_import_put64(rsm_memseg_import_handle_t im_memseg,
218*0Sstevel@tonic-gate     off_t offset,
219*0Sstevel@tonic-gate     uint64_t *datap,
220*0Sstevel@tonic-gate     ulong_t rep_cnt);
221*0Sstevel@tonic-gate int rsm_memseg_import_put(rsm_memseg_import_handle_t im_memseg,
222*0Sstevel@tonic-gate     off_t offset,
223*0Sstevel@tonic-gate     void *src_addr,
224*0Sstevel@tonic-gate     size_t length);
225*0Sstevel@tonic-gate 
226*0Sstevel@tonic-gate int rsm_memseg_import_putv(rsm_scat_gath_t *);
227*0Sstevel@tonic-gate 
228*0Sstevel@tonic-gate 
229*0Sstevel@tonic-gate /*
230*0Sstevel@tonic-gate  * import side memory segment operations (mapping):
231*0Sstevel@tonic-gate  */
232*0Sstevel@tonic-gate int rsm_memseg_import_map(rsm_memseg_import_handle_t im_memseg,
233*0Sstevel@tonic-gate     void **address,
234*0Sstevel@tonic-gate     rsm_attribute_t attr,
235*0Sstevel@tonic-gate     rsm_permission_t perm,
236*0Sstevel@tonic-gate     off_t offset, size_t length);
237*0Sstevel@tonic-gate 
238*0Sstevel@tonic-gate 
239*0Sstevel@tonic-gate 
240*0Sstevel@tonic-gate 
241*0Sstevel@tonic-gate int rsm_memseg_import_unmap(rsm_memseg_import_handle_t im_memseg);
242*0Sstevel@tonic-gate 
243*0Sstevel@tonic-gate 
244*0Sstevel@tonic-gate 
245*0Sstevel@tonic-gate /*
246*0Sstevel@tonic-gate  * import side memory segment operations (barriers):
247*0Sstevel@tonic-gate  */
248*0Sstevel@tonic-gate 
249*0Sstevel@tonic-gate int rsm_memseg_import_init_barrier(rsm_memseg_import_handle_t im_memseg,
250*0Sstevel@tonic-gate     rsm_barrier_type_t type,
251*0Sstevel@tonic-gate     rsmapi_barrier_t *barrier);
252*0Sstevel@tonic-gate 
253*0Sstevel@tonic-gate 
254*0Sstevel@tonic-gate int rsm_memseg_import_open_barrier(rsmapi_barrier_t *barrier);
255*0Sstevel@tonic-gate 
256*0Sstevel@tonic-gate 
257*0Sstevel@tonic-gate int rsm_memseg_import_close_barrier(rsmapi_barrier_t *barrier);
258*0Sstevel@tonic-gate 
259*0Sstevel@tonic-gate int rsm_memseg_import_order_barrier(rsmapi_barrier_t *barrier);
260*0Sstevel@tonic-gate 
261*0Sstevel@tonic-gate int rsm_memseg_import_destroy_barrier(rsmapi_barrier_t *barrier);
262*0Sstevel@tonic-gate 
263*0Sstevel@tonic-gate int rsm_memseg_import_get_mode(rsm_memseg_import_handle_t im_memseg,
264*0Sstevel@tonic-gate     rsm_barrier_mode_t *mode);
265*0Sstevel@tonic-gate 
266*0Sstevel@tonic-gate int rsm_memseg_import_set_mode(rsm_memseg_import_handle_t im_memseg,
267*0Sstevel@tonic-gate     rsm_barrier_mode_t mode);
268*0Sstevel@tonic-gate 
269*0Sstevel@tonic-gate 
270*0Sstevel@tonic-gate 
271*0Sstevel@tonic-gate 
272*0Sstevel@tonic-gate int rsm_intr_signal_post(void * im_memseg, uint_t flags);
273*0Sstevel@tonic-gate 
274*0Sstevel@tonic-gate int rsm_intr_signal_wait(void * im_memseg, int timeout);
275*0Sstevel@tonic-gate 
276*0Sstevel@tonic-gate int rsm_memseg_get_pollfd(void *, struct pollfd *);
277*0Sstevel@tonic-gate int rsm_memseg_release_pollfd(void *);
278*0Sstevel@tonic-gate 
279*0Sstevel@tonic-gate int rsm_get_interconnect_topology(rsm_topology_t **);
280*0Sstevel@tonic-gate void rsm_free_interconnect_topology(rsm_topology_t *);
281*0Sstevel@tonic-gate 
282*0Sstevel@tonic-gate int rsm_create_localmemory_handle(rsmapi_controller_handle_t,
283*0Sstevel@tonic-gate     rsm_localmemory_handle_t *,
284*0Sstevel@tonic-gate     caddr_t, size_t);
285*0Sstevel@tonic-gate 
286*0Sstevel@tonic-gate int rsm_free_localmemory_handle(rsmapi_controller_handle_t,
287*0Sstevel@tonic-gate     rsm_localmemory_handle_t);
288*0Sstevel@tonic-gate 
289*0Sstevel@tonic-gate int rsm_get_segmentid_range(const char *, rsm_memseg_id_t *, uint32_t *);
290*0Sstevel@tonic-gate 
291*0Sstevel@tonic-gate int rsm_intr_signal_wait_pollfd(struct pollfd [], nfds_t, int, int *);
292*0Sstevel@tonic-gate 
293*0Sstevel@tonic-gate #ifdef	__cplusplus
294*0Sstevel@tonic-gate }
295*0Sstevel@tonic-gate #endif
296*0Sstevel@tonic-gate 
297*0Sstevel@tonic-gate #endif	/* _RSMAPI_H */
298