xref: /titanic_50/usr/src/lib/sun_sas/common/sun_sas.h (revision f38cb554a534c6df738be3f4d23327e69888e634)
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 /*
23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 
28 #ifndef	_SUN_SAS_H
29 #define	_SUN_SAS_H
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 #include <smhbaapi.h>
36 #include <vendorsmhbaapi.h>
37 #include <sys/types.h>
38 #include <sys/stat.h>
39 #include <sys/param.h>
40 #include <dirent.h>
41 #include <fcntl.h>
42 #include <stdio.h>
43 #include <stdlib.h>
44 #include <strings.h>
45 #include <string.h>
46 #include <limits.h>
47 #include <syslog.h>
48 #include <thread.h>
49 #include <synch.h>
50 #include <unistd.h>
51 #include <stropts.h>
52 #include <libdevinfo.h>
53 #include <sys/time.h>
54 #include <sys/scsi/generic/commands.h>
55 #include <sys/scsi/impl/commands.h>
56 #include <sys/scsi/impl/sense.h>
57 #include <sys/scsi/generic/inquiry.h>
58 #include <sys/scsi/impl/uscsi.h>
59 #include <sys/varargs.h>
60 #include <sys/varargs.h>
61 #include <libsysevent.h>
62 
63 #ifdef	__cplusplus
64 extern "C" {
65 #endif
66 
67 #define	VSL_NUMERIC_VERSION	1
68 #define	VSL_STRING_VERSION	"Version 1"
69 #define	VSL_NAME		"Sun T11 SM-HBA Vendor Library for SAS HBAs"
70 #define	SMHBA_LIBRARY_VERSION1	VSL_NUMERIC_VERSION
71 
72 /* The /dev links we expose */
73 #define	DEV_DISK_DIR		"/dev/rdsk"
74 #define	DEV_TAPE_DIR		"/dev/rmt"
75 #define	DEV_ES_DIR		"/dev/es"
76 #define	DEV_CFG_DIR		"/dev/cfg"
77 #define	DEVICES_DIR		"/devices"
78 #define	DEVCTL_SUFFIX		":devctl"
79 #define	SCSI_SUFFIX		":scsi"
80 
81 /* To be consistent, when out of memory call this macro routine */
82 #define	OUT_OF_MEMORY(routine)  \
83     log(LOG_DEBUG, routine, "Out of memory.")
84 
85 #define	S_FREE(x)   (((x) != NULL) ? (free(x), (x) = NULL) : (void *)0)
86 
87 #define	IS_STUB_NODE(s) (di_instance(s) == -1 && \
88 	di_nodeid(s) == (DI_PROM_NODEID))
89 
90 /* manf+model+10(char length of UINTMAX)+6(for 2 -'s, NULL & extra 3bytes */
91 #define	HANDLE_NAME_LENGTH  (64 + 256 + 10 + 6)
92 #define	HANDLE_ERROR	0 /* This is an error condition */
93 
94 /* Some timing values */
95 #define	LOCK_SLEEP	    1
96 #define	BUSY_SLEEP	    10000 /* 1/100 second */
97 #define	BUSY_RETRY_TIMER    5000000000 /* Retry for 5 seconds */
98 #define	STATE_RETRY_TIMER   10000000000 /* Retry for 10 seconds */
99 #define	HR_SECOND	    1000000000
100 /* How many times to silently retry, before starting to print warnings */
101 #define	DEADLOCK_WARNING    10
102 
103 #define	MAX_LUN		4096
104 #define	REP_LUNS_RSP_SIZE   sizeof (rep_luns_rsp_t)+  \
105 				(sizeof (lun_list_element_t)*(MAX_LUN - 1))
106 
107 /* misc */
108 #define	SUN_MICROSYSTEMS	"Sun Microsystems, Inc."
109 
110 mutex_t		all_hbas_lock;
111 mutex_t		open_handles_lock;
112 mutex_t		log_file_lock;
113 HBA_UINT32	hba_count;
114 HBA_UINT16	open_handle_index;
115 
116 
117 /* Internal structures that aren't exposed to clients */
118 struct open_handle {
119 	int			adapterIndex;
120 	HBA_UINT32		handle;
121 	struct open_handle	*next;
122 };
123 
124 struct sun_sas_hba {
125 	HBA_UINT32		index;  /* Can be sparse */
126 	struct open_handle	*open_handles;
127 	int			fd;	    /* when open, the FD */
128 	/* The libdevinfo HBA path (lacking /devices) */
129 	char			device_path[MAXPATHLEN];
130 	char			handle_name[HANDLE_NAME_LENGTH];
131 	SMHBA_ADAPTERATTRIBUTES	adapter_attributes;
132 
133 	/* State tracking */
134 	boolean_t		invalid;
135 	struct sun_sas_hba	*next;
136 	struct sun_sas_port	*first_port;
137 };
138 
139 struct sun_sas_hba *global_hba_head;
140 
141 struct ScsiEntryList {
142 	SMHBA_SCSIENTRY		entry;
143 	struct ScsiEntryList	*next;
144 };
145 
146 struct phy_info {
147 	HBA_UINT32		index;
148 	boolean_t		invalid;
149 	SMHBA_SAS_PHY		phy;
150 	struct phy_info		*next;
151 };
152 
153 struct sun_sas_port {
154 	HBA_UINT32		index;
155 	boolean_t		invalid;
156 
157 	/* The libdevinfo HBA path (lacking /devices) */
158 	char			device_path[MAXPATHLEN];
159 	SMHBA_PORTATTRIBUTES	port_attributes;
160 	struct ScsiEntryList	*scsiInfo;
161 	int			cntlNumber;
162 
163 	/* The following are used to track the device map */
164 	int			num_devices;
165 	struct sun_sas_port	*first_attached_port; /* Only for HBA port */
166 	struct phy_info		*first_phy;	/* Only for HBA port */
167 	struct sun_sas_port	*next;
168 };
169 
170 typedef struct walkarg {
171 	char *devpath;
172 	boolean_t *flag;
173 } walkarg_t;
174 
175 extern int	loadCount;
176 
177 extern sysevent_handle_t *gSysEventHandle;
178 
179 /* External routines */
180 extern HBA_STATUS SMHBA_RegisterLibrary(PSMHBA_ENTRYPOINTS);
181 extern HBA_UINT32 Sun_sasGetVendorLibraryAttributes(SMHBA_LIBRARYATTRIBUTES *);
182 extern HBA_STATUS Sun_sasGetAdapterAttributes(HBA_HANDLE,
183     SMHBA_ADAPTERATTRIBUTES *);
184 extern HBA_UINT32 Sun_sasGetNumberOfAdapters();
185 extern HBA_STATUS Sun_sasGetAdapterName(HBA_UINT32, char *);
186 extern HBA_STATUS Sun_sasGetPortType(HBA_HANDLE, HBA_UINT32, HBA_PORTTYPE *);
187 extern HBA_STATUS Sun_sasGetAdapterPortAttributes(HBA_HANDLE, HBA_UINT32,
188     SMHBA_PORTATTRIBUTES *);
189 extern HBA_STATUS Sun_sasGetPortAttributesByWWN(HBA_HANDLE, HBA_WWN, HBA_WWN,
190     SMHBA_PORTATTRIBUTES *);
191 extern HBA_STATUS Sun_sasGetFCPhyAttributes(HBA_HANDLE, HBA_UINT32, HBA_UINT32,
192     SMHBA_FC_PHY *);
193 extern HBA_STATUS Sun_sasGetSASPhyAttributes(HBA_HANDLE, HBA_UINT32,
194     HBA_UINT32, SMHBA_SAS_PHY *);
195 extern HBA_STATUS Sun_sasGetProtocolStatistics(HBA_HANDLE, HBA_UINT32,
196     HBA_UINT32, SMHBA_PROTOCOLSTATISTICS *);
197 extern HBA_STATUS Sun_sasGetPhyStatistics(HBA_HANDLE, HBA_UINT32,
198     HBA_UINT32, SMHBA_PHYSTATISTICS *);
199 extern HBA_STATUS Sun_sasSendSMPPassThru(HBA_HANDLE, HBA_WWN,  HBA_WWN, HBA_WWN,
200     void *, HBA_UINT32, void *, HBA_UINT32 *);
201 extern HBA_STATUS Sun_sasGetBindingCapability(HBA_HANDLE, HBA_WWN, HBA_WWN,
202     SMHBA_BIND_CAPABILITY *);
203 extern HBA_STATUS Sun_sasGetBindingSupport(HBA_HANDLE, HBA_WWN, HBA_WWN,
204     SMHBA_BIND_CAPABILITY *);
205 extern HBA_STATUS Sun_sasSetBindingSupport(HBA_HANDLE, HBA_WWN, HBA_WWN,
206     SMHBA_BIND_CAPABILITY);
207 extern HBA_STATUS Sun_sasGetTargetMapping(HBA_HANDLE, HBA_WWN, HBA_WWN,
208     SMHBA_TARGETMAPPING *);
209 extern HBA_STATUS Sun_sasGetPersistentBinding(HBA_HANDLE, HBA_WWN, HBA_WWN,
210     SMHBA_BINDING *);
211 extern HBA_STATUS Sun_sasSetPersistentBinding(HBA_HANDLE, HBA_WWN, HBA_WWN,
212     const SMHBA_BINDING *);
213 extern HBA_STATUS Sun_sasRemovePersistentBinding(HBA_HANDLE, HBA_WWN, HBA_WWN,
214     const SMHBA_BINDING *);
215 extern HBA_STATUS Sun_sasRemoveAllPersistentBindings(HBA_HANDLE, HBA_WWN,
216     HBA_WWN);
217 extern HBA_STATUS Sun_sasGetLUNStatistics(HBA_HANDLE, const HBA_SCSIID *,
218     SMHBA_PROTOCOLSTATISTICS *);
219 extern HBA_STATUS Sun_sasRegisterForAdapterAddEvents(void (*)(void *, HBA_WWN,
220     HBA_UINT32), void *, HBA_CALLBACKHANDLE *);
221 extern HBA_STATUS Sun_sasRegisterForAdapterEvents(void (*)(void *, HBA_WWN,
222     HBA_UINT32), void *, HBA_HANDLE, HBA_CALLBACKHANDLE *);
223 extern HBA_STATUS Sun_sasRegisterForAdapterPortEvents(void (*)(void *, HBA_WWN,
224     HBA_UINT32, HBA_UINT32), void *, HBA_HANDLE, HBA_WWN, HBA_UINT32,
225     HBA_CALLBACKHANDLE *);
226 extern HBA_STATUS Sun_sasRegisterForAdapterPortStatEvents(void (*)(void *,
227     HBA_WWN, HBA_UINT32, HBA_UINT32), void *, HBA_HANDLE, HBA_WWN, HBA_UINT32,
228     SMHBA_PROTOCOLSTATISTICS, HBA_UINT32, HBA_CALLBACKHANDLE *);
229 extern HBA_STATUS    Sun_sasRegisterForAdapterPhyStatEvents(void (*)(void *,
230     HBA_WWN, HBA_UINT32, HBA_UINT32), void *, HBA_HANDLE, HBA_WWN, HBA_UINT32,
231     SMHBA_PHYSTATISTICS, HBA_UINT32, HBA_CALLBACKHANDLE *);
232 extern HBA_STATUS Sun_sasRegisterForTargetEvents(void (*)(void *, HBA_WWN,
233     HBA_WWN, HBA_WWN, HBA_UINT32), void *, HBA_HANDLE, HBA_WWN, HBA_WWN,
234     HBA_WWN, HBA_CALLBACKHANDLE *, HBA_UINT32);
235 extern HBA_STATUS Sun_sasRegisterForLinkEvents(void (*)(void *, HBA_WWN,
236     HBA_UINT32, void *, HBA_UINT32), void *, void *, HBA_UINT32, HBA_HANDLE,
237     HBA_CALLBACKHANDLE *);
238 extern HBA_STATUS Sun_sasScsiInquiry(HBA_HANDLE, HBA_WWN, HBA_WWN, HBA_WWN,
239     SMHBA_SCSILUN, HBA_UINT8, HBA_UINT8, void *, HBA_UINT32 *, HBA_UINT8 *,
240     void *, HBA_UINT32 *);
241 extern HBA_STATUS Sun_sasScsiReportLUNs(HBA_HANDLE, HBA_WWN, HBA_WWN,
242     HBA_WWN, void *, HBA_UINT32 *, HBA_UINT8 *, void *, HBA_UINT32 *);
243 extern HBA_STATUS Sun_sasScsiReadCapacity(HBA_HANDLE, HBA_WWN, HBA_WWN, HBA_WWN,
244     SMHBA_SCSILUN, void *, HBA_UINT32 *, HBA_UINT8 *, void *, HBA_UINT32 *);
245 extern HBA_UINT32 Sun_sasGetVersion();
246 extern HBA_STATUS Sun_sasLoadLibrary();
247 extern HBA_STATUS Sun_sasFreeLibrary();
248 extern HBA_UINT32 Sun_sasGetNumberOfAdapters();
249 extern HBA_UINT32 Sun_sasGetNumberOfPorts(HBA_HANDLE, HBA_UINT32 *);
250 extern HBA_STATUS Sun_sasGetAdapterName(HBA_UINT32, char *);
251 extern HBA_HANDLE Sun_sasOpenAdapter(char *);
252 extern void Sun_sasCloseAdapter(HBA_HANDLE);
253 extern HBA_STATUS Sun_sasGetDiscoveredPortAttributes(HBA_HANDLE, HBA_UINT32,
254     HBA_UINT32, SMHBA_PORTATTRIBUTES *);
255 extern HBA_STATUS Sun_sasGetPortAttributesByWWN(HBA_HANDLE, HBA_WWN, HBA_WWN,
256     SMHBA_PORTATTRIBUTES *);
257 extern void Sun_sasRefreshInformation(HBA_HANDLE);
258 extern void Sun_sasRefreshAdapterConfiguration(void);
259 extern HBA_STATUS Sun_sasRemoveCallback(HBA_CALLBACKHANDLE);
260 
261 
262 /* Internal routines */
263 extern void log(int, const char *, char *, ...);
264 extern u_longlong_t wwnConversion(uchar_t *wwn);
265 extern HBA_STATUS devtree_attached_devices(di_node_t, struct sun_sas_port *);
266 extern HBA_HANDLE CreateHandle(int);
267 extern int RetrieveIndex(HBA_HANDLE);
268 extern struct open_handle *RetrieveOpenHandle(HBA_HANDLE);
269 extern struct sun_sas_hba *RetrieveHandle(int);
270 extern struct sun_sas_hba *ExtractHandle(int);
271 extern struct sun_sas_hba *Retrieve_Sun_sasHandle(HBA_HANDLE);
272 extern void lock(mutex_t *mp);
273 extern void unlock(mutex_t *mp);
274 extern void reportSense(struct scsi_extended_sense *, const char *);
275 extern HBA_STATUS verifyAdapter(struct sun_sas_hba *hba_ptr);
276 extern HBA_STATUS devtree_get_all_hbas(di_node_t root);
277 extern HBA_STATUS devtree_get_one_hba(di_node_t node);
278 extern HBA_STATUS FreeHBA(struct sun_sas_hba *hba);
279 extern HBA_WWN getFirstAdapterPortWWN(HBA_HANDLE handle);
280 extern HBA_STATUS getPortStateCounter(char *fpPath, HBA_UINT32 *stateCount);
281 extern HBA_STATUS lookupControllerLink(char *path, char *link);
282 extern HBA_STATUS lookupSMPLink(char *path, char *link);
283 extern void convertDevpathToDevlink(PSMHBA_TARGETMAPPING mappings);
284 extern void fillDomainPortWWN(struct sun_sas_port *);
285 extern HBA_STATUS get_phy_info(di_node_t, struct sun_sas_port *);
286 extern HBA_STATUS send_uscsi_cmd(const char *devpath, struct uscsi_cmd *ucmd);
287 extern HBA_STATUS registerSysevent();
288 extern HBA_STATUS validateDomainAddress(struct sun_sas_port *, HBA_WWN);
289 
290 #ifdef	__cplusplus
291 }
292 #endif
293 
294 #endif /* _SUN_SAS_H */
295