xref: /titanic_41/usr/src/lib/fm/libldom/sparc/ldmsvcs_utils.h (revision 25351652d920ae27c5a56c199da581033ce763f6)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef	_LDMSVCS_UTILS_H
27 #define	_LDMSVCS_UTILS_H
28 
29 #include <stdlib.h>
30 #include <sys/types.h>
31 #include <sys/ldc.h>
32 #include <sys/vldc.h>
33 #include <sys/ds.h>
34 #include <sys/ds_impl.h>
35 
36 #ifdef	__cplusplus
37 extern "C" {
38 #endif
39 
40 /*
41  * Service Information
42  */
43 typedef struct fds_svc {
44 	ds_svc_hdl_t hdl;	/* handle assigned by DS */
45 	ds_svc_state_t state;	/* current service state */
46 	ds_ver_t ver;		/* svc protocol version in use */
47 	char *name;
48 } fds_svc_t;
49 
50 /*
51  * table of registered services
52  */
53 typedef struct fds_reg_svcs {
54 	pthread_mutex_t mt;
55 	pthread_cond_t cv;
56 	fds_svc_t **tbl;		/* the table itself */
57 	uint_t nsvcs;		/* current number of items */
58 } fds_reg_svcs_t;
59 
60 
61 typedef enum {
62 	CHANNEL_UNINITIALIZED,	/* status of channel unknown */
63 	CHANNEL_CLOSED,		/* port structure not in use */
64 	CHANNEL_OPEN,		/* open but not initialized/reset */
65 	CHANNEL_READY,		/* init/reset done */
66 	CHANNEL_UNUSABLE,	/* cannot be used (possibly busy) */
67 	CHANNEL_EXIT		/* normal exit */
68 } fds_chan_state_t;
69 
70 typedef struct fds_channel {
71 	int fd;			/* FD for this channel */
72 	fds_chan_state_t state; /* state of the port */
73 	ds_ver_t ver;		/* DS protocol version in use */
74 } fds_channel_t;
75 
76 
77 /*
78  * FMA services
79  */
80 
81 #define	LDM_DS_NAME_CPU		"fma-phys-cpu-service"
82 #define	LDM_DS_NAME_MEM		"fma-phys-mem-service"
83 #define	LDM_DS_NAME_PRI		"fma-pri-service"
84 #define	LDM_DS_NAME_IOD		"fma-io-domain-service"
85 
86 typedef struct {
87 	uint64_t req_num;
88 } fma_req_pri_t;
89 
90 /*
91  * definition of fma_pri_resp_t is not shown here.  for more details,
92  * see ldmsvcs_utils.c:ldmsvcs_get_core_md().
93  */
94 
95 #define	FMA_CPU_REQ_STATUS	0
96 #define	FMA_CPU_REQ_OFFLINE	1
97 #define	FMA_CPU_REQ_ONLINE	2
98 
99 #define	FMA_CPU_RESP_OK		0
100 #define	FMA_CPU_RESP_FAILURE	1
101 
102 #define	FMA_CPU_STAT_ONLINE	0
103 #define	FMA_CPU_STAT_OFFLINE	1
104 #define	FMA_CPU_STAT_ILLEGAL	2
105 
106 typedef struct {
107 	uint64_t req_num;
108 	uint32_t msg_type;
109 	uint32_t cpu_id;
110 } fma_cpu_service_req_t;
111 
112 typedef struct {
113 	uint64_t req_num;
114 	uint32_t result;
115 	uint32_t status;
116 } fma_cpu_resp_t;
117 
118 #define	FMA_MEM_REQ_STATUS	0
119 #define	FMA_MEM_REQ_RETIRE	1
120 #define	FMA_MEM_REQ_RESURRECT	2
121 
122 #define	FMA_MEM_RESP_OK		0
123 #define	FMA_MEM_RESP_FAILURE	1
124 
125 #define	FMA_MEM_STAT_NOTRETIRED	0
126 #define	FMA_MEM_STAT_RETIRED	1
127 #define	FMA_MEM_STAT_ILLEGAL	2
128 
129 typedef struct {
130 	uint64_t req_num;
131 	uint32_t msg_type;
132 	uint32_t _resvd;
133 	uint64_t real_addr;
134 	uint64_t length;
135 } fma_mem_service_req_t;
136 
137 typedef struct {
138 	uint64_t req_num;
139 	uint32_t result;
140 	uint32_t status;
141 	uint64_t res_addr;
142 	uint64_t res_length;
143 } fma_mem_resp_t;
144 
145 
146 #define	FMA_IO_RESP_OK		0
147 #define	FMA_IO_RESP_FAILURE	1
148 #define	FMA_IO_RESP_ILLEGAL	2
149 #define	FMA_IO_RESP_UNASSIGNED	3
150 
151 typedef struct {
152 	uint64_t req_num;
153 	uint32_t msg_type;
154 	uint32_t reserved;
155 	uint64_t rsrc_address;
156 } fma_io_req_t;
157 
158 typedef struct {
159 	uint64_t req_num;
160 	uint32_t result;
161 	uint32_t reserved;
162 	uint64_t virt_rsrc_address;
163 	uint64_t domain_id;
164 } fma_io_resp_t;
165 
166 
167 struct ldom_hdl {
168 	void *(*allocp)(size_t size);
169 	void (*freep)(void *addr, size_t size);
170 	struct ldmsvcs_info *lsinfo;
171 };
172 
173 /*
174  * in the default case of ldmd (the LDOM manager daemon/service)
175  * not installed/running, set short timeouts for contacting ldmd,
176  * so that higher levels in the software stack (ex: diagnosis engines)
177  * are not excessively delayed by ldmd's absence. both timeouts are tunable
178  * via SMF properties in ldmd's service manifest, and expected to be set
179  * thusly to appropriate values when ldmd is installed.
180  *
181  * timeouts are in seconds. init is the initial timeout; running is
182  * for subsequent timeouts.
183  */
184 #define	LDM_INIT_WAIT_TIME	2
185 #define	LDM_RUNNING_WAIT_TIME	2
186 
187 #define	LDM_SVC_NM		"svc:/ldoms/ldmd:default"
188 #define	LDM_PROP_GROUP_NM	"fmd_config"
189 
190 #define	LDM_INIT_TO_PROP_NM	"fmd_to_ldmd_init_timeout"
191 #define	LDM_RUNNING_TO_PROP_NM	"fmd_to_ldmd_running_timeout"
192 
193 extern int ldmsvcs_check_channel(void);
194 
195 extern void ldmsvcs_init(struct ldom_hdl *lhp);
196 
197 extern void ldmsvcs_fini(struct ldom_hdl *lhp);
198 
199 extern ssize_t ldmsvcs_get_core_md(struct ldom_hdl *lhp, uint64_t **buf);
200 
201 extern int ldmsvcs_cpu_req_status(struct ldom_hdl *lhp, uint32_t cpuid);
202 
203 extern int ldmsvcs_mem_req_status(struct ldom_hdl *lhp, uint64_t pa);
204 
205 extern int ldmsvcs_cpu_req_offline(struct ldom_hdl *lhp, uint32_t cpuid);
206 
207 extern int ldmsvcs_mem_req_retire(struct ldom_hdl *lhp, uint64_t pa);
208 
209 extern int ldmsvcs_cpu_req_online(struct ldom_hdl *lhp, uint32_t cpuid);
210 
211 extern int ldmsvcs_mem_req_unretire(struct ldom_hdl *lhp, uint64_t pa);
212 
213 extern int ldmsvcs_io_req_id(struct ldom_hdl *lhp, uint64_t addr, uint_t type,
214     uint64_t *virt_addr, char *name, int name_len, uint64_t *did);
215 
216 #ifdef	__cplusplus
217 }
218 #endif
219 
220 #endif	/* _LDMSVCS_UTILS_H */
221