ÿØÿà JFIF    ÿÛ „  ( %"1!%)+...383,7(-.+  -+++--++++---+-+-----+---------------+---+-++7-----ÿÀ  ß â" ÿÄ     ÿÄ H    !1AQaq"‘¡2B±ÁÑð#R“Ò Tbr‚²á3csƒ’ÂñDS¢³$CÿÄ   ÿÄ %  !1AQa"23‘ÿÚ   ? ôÿ ¨pŸªáÿ —åYõõ\?àÒü©ŠÄï¨pŸªáÿ —åYõõ\?àÓü©ŠÄá 0Ÿªáÿ Ÿå[úƒ ú®ði~TÁbqÐ8OÕpÿ ƒOò¤Oè`–RÂáœá™êi€ßÉ< FtŸI“öÌ8úDf´°å}“¾œ6  öFá°y¥jñÇh†ˆ¢ã/ÃÐ:ªcÈ "Y¡ðÑl>ÿ ”ÏËte:qž\oäŠe÷󲍷˜HT4&ÿ ÓÐü6ö®¿øþßèô Ÿ•7Ñi’•j|“ñì>b…þS?*Óôÿ ÓÐü*h¥£ír¶ü UãSç‚Ÿ[AÐaè[ûª•õ&õj?†Éö+EzP—WeÒírJFt ‘BŒ†Ï‡%#tE Øz ¥OÛ«!1›üä±Í™%ºÍãö]°î(–:@<‹ŒÊö×òÆt¦ãº+‡¦%ÌÁ²h´OƒJŒtMÜ>ÀÜÊw3Y´•牋4ǍýʏTì>œú=Íwhyë,¾Ôò×õ¿ßÊa»«þˆѪQ|%6ž™A õ%:øj<>É—ÿ Å_ˆCbõ¥š±ý¯Ýƒï…¶|RëócÍf溪“t.СøTÿ *Ä¿-{†çàczůŽ_–^XþŒ±miB[X±d 1,é”zEù»& î9gœf™9Ð'.;—™i}!ôšåîqêÛ٤ёý£½ÆA–àôe"A$˝Úsäÿ ÷Û #°xŸëí(l »ý3—¥5m! rt`†0~'j2(]S¦¦kv,ÚÇ l¦øJA£Šƒ J3E8ÙiŽ:cÉžúeZ°€¯\®kÖ(79«Ž:¯X”¾³Š&¡* ….‰Ž(ÜíŸ2¥ª‡×Hi²TF¤ò[¨íÈRëÉ䢍mgÑ.Ÿ<öäS0í„ǹÁU´f#Vß;Õ–…P@3ío<ä-±»Ž.L|kªÀê›fÂ6@»eu‚|ÓaÞÆŸ…¨ááå>åŠ?cKü6ùTÍÆ”†sĤÚ;H2RÚ†õ\Ö·Ÿn'¾ ñ#ºI¤Å´%çÁ­‚â7›‹qT3Iï¨ÖÚ5I7Ë!ÅOóŸ¶øÝñØôת¦$Tcö‘[«Ö³šÒ';Aþ ¸èíg A2Z"i¸vdÄ÷.iõ®§)¿]¤À†–‡É&ä{V¶iŽ”.Ó×Õÿ û?h¬Mt–íª[ÿ Ñÿ ÌV(í}=ibÔ¡›¥¢±b Lô¥‡piη_Z<‡z§èŒ)iÖwiÇ 2hÙ3·=’d÷8éŽ1¦¸c¤µ€7›7Ø ð\á)} ¹fËí›pAÃL%âc2 í§æQz¿;T8sæ°qø)QFMð‰XŒÂ±N¢aF¨…8¯!U  Z©RÊ ÖPVÄÀÍin™Ì-GˆªÅËŠ›•zË}º±ŽÍFò¹}Uw×#ä5B¤{î}Ð<ÙD é©¤&‡ïDbàÁôMÁ." ¤‡ú*õ'VŽ|¼´Úgllº¼klz[Æüï÷Aób‡Eÿ dÑ»Xx9ÃÜ£ÁT/`¼¸vI±Ýµ·Ë‚“G³þ*Ÿû´r|*}<¨îºœ @¦mÄ’M¹”.œ«Y–|6ÏU¤jç¥ÕÞqO ˜kDÆÁ¨5ÿ š;Њ¦¦€GÙk \ –Þ=â¼=SͧµªS°ÚÍpÜãQűÀõ¬?ÃÁ1Ñ•õZà?hóœ€ L¦l{Y*K˜Ù›zc˜–ˆâ ø+¾ ­-Ök¥%ùEÜA'}ˆ><ÊIè“bpÍ/qÞâvoX€w,\úªò6Z[XdÒæ­@Ö—€$òJí#é>'°Ú ôª˜<)4ryÙ£|óAÅn5žêŸyÒäMÝ2{"}‰–¤l÷ûWX\l¾Á¸góÉOÔ /óñB¤f¸çñ[.P˜ZsÊË*ßT܈§QN¢’¡¨§V¼(Üù*eÕ“”5T¨‹Âê¥FŒã½Dü[8'Ò¥a…Ú¶k7a *•›¼'Ò·\8¨ª\@\õ¢¦íq+DÙrmÎ…_ªæ»ŠÓœ¡¯’Ré9MÅ×D™lælffc+ŒÑ,ý™ÿ ¯þǤ=Å’Á7µ÷ÚÛ/“Ü€ñýã¼àí¾ÕÑ+ƒ,uµMâÀÄbm:ÒÎPæ{˜Gz[ƒ¯«® KHà`ßØŠéí¯P8Aq.C‰ à€kòpj´kN¶qô€…Õ,ÜNŠª-­{Zö’æû44‰sŽè‰îVíRœÕm" 6?³D9¡ÇTíÅꋇ`4«¸ÝÁô ï’ýorqКÇZ«x4Žâéþuïf¹µö[P ,Q£éaX±`PÉÍZ ¸äYúg üAx ’6Lê‚xÝÓ*äQ  Ï’¨hÍ =²,6ï#rÃ<¯–£»ƒ‹,–ê•€ aÛsñ'%Æ"®ÛüìBᝠHÚ3ß°©$“XnœÖ’î2ËTeûìxîß ¦å¿çÉ ðK§þ{‘t‚Ϋ¬jéîZ[ ”š7L¥4VÚCE×]m¤Øy”ä4-dz£œ§¸x.*ãÊÊ b÷•h:©‡¦s`BTÁRû¾g⻩‹jø sF¢àJøFl‘È•Xᓁà~*j¯ +(ÚÕ6-£¯÷GŠØy‚<Ç’.F‹Hœw(+)ÜÜâÈzÄäT§FߘãÏ;DmVœ3Àu@mÚüXÝü•3B¨òÌÁÛ<·ÃÜ z,Ì@õÅ·d2]ü8s÷IôÞ¯^Ç9¢u„~ëAŸï4«M? 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Registrants Only*/ #define MPATH_PRTPE_WE_AR 0x07 /* Write Exclusive. All Registrants*/ #define MPATH_PRTPE_EA_AR 0x08 /* Exclusive Access. All Registrants */ /* PR RETURN_STATUS */ #define MPATH_PR_SKIP -1 /* skipping this path */ #define MPATH_PR_SUCCESS 0 #define MPATH_PR_SYNTAX_ERROR 1 /* syntax error or invalid parameter */ /* status for check condition */ #define MPATH_PR_SENSE_NOT_READY 2 /* [sk,asc,ascq: 0x2,*,*] */ #define MPATH_PR_SENSE_MEDIUM_ERROR 3 /* [sk,asc,ascq: 0x3,*,*] */ #define MPATH_PR_SENSE_HARDWARE_ERROR 4 /* [sk,asc,ascq: 0x4,*,*] */ #define MPATH_PR_ILLEGAL_REQ 5 /* [sk,asc,ascq: 0x5,*,*]*/ #define MPATH_PR_SENSE_UNIT_ATTENTION 6 /* [sk,asc,ascq: 0x6,*,*] */ #define MPATH_PR_SENSE_INVALID_OP 7 /* [sk,asc,ascq: 0x5,0x20,0x0]*/ #define MPATH_PR_SENSE_ABORTED_COMMAND 8 /* [sk,asc,ascq: 0xb,*,*] */ #define MPATH_PR_NO_SENSE 9 /* [sk,asc,ascq: 0x0,*,*] */ #define MPATH_PR_SENSE_MALFORMED 10 /* Response to SCSI command malformed */ #define MPATH_PR_RESERV_CONFLICT 11 /* Reservation conflict on the device */ #define MPATH_PR_FILE_ERROR 12 /* file (device node) problems(e.g. not found)*/ #define MPATH_PR_DMMP_ERROR 13 /* DMMP related error.(e.g Error in getting dm info */ #define MPATH_PR_THREAD_ERROR 14 /* pthreads error (e.g. unable to create new thread) */ #define MPATH_PR_OTHER 15 /*other error/warning has occurred(transport or driver error) */ /* PR MASK */ #define MPATH_F_APTPL_MASK 0x01 /* APTPL MASK*/ #define MPATH_F_ALL_TG_PT_MASK 0x04 /* ALL_TG_PT MASK*/ #define MPATH_F_SPEC_I_PT_MASK 0x08 /* SPEC_I_PT MASK*/ #define MPATH_PR_TYPE_MASK 0x0f /* TYPE MASK*/ #define MPATH_PR_SCOPE_MASK 0xf0 /* SCOPE MASK*/ /*Transport ID PROTOCOL IDENTIFIER values */ #define MPATH_PROTOCOL_ID_FC 0x00 #define MPATH_PROTOCOL_ID_ISCSI 0x05 #define MPATH_PROTOCOL_ID_SAS 0x06 /*Transport ID FORMATE CODE */ #define MPATH_WWUI_DEVICE_NAME 0x00 /* World wide unique initiator device name */ #define MPATH_WWUI_PORT_IDENTIFIER 0x40 /* World wide unique initiator port identifier */ extern unsigned int mpath_mx_alloc_len; struct prin_readdescr { uint32_t prgeneration; uint32_t additional_length; /* The value should be either 0 or divisible by 8. 0 indicates no registered reservation key. */ uint8_t key_list[MPATH_MAX_PARAM_LEN]; }; struct prin_resvdescr { uint32_t prgeneration; uint32_t additional_length; /* The value should be either 0 or 10h. 0 indicates there is no reservation held. 10h indicates the key[8] and scope_type have valid values */ uint8_t key[8]; uint32_t _obsolete; uint8_t _reserved; uint8_t scope_type; /* Use PR SCOPE AND TYPE MASK specified above */ uint16_t _obsolete1; }; struct prin_capdescr { uint16_t length; uint8_t flags[2]; uint16_t pr_type_mask; uint16_t _reserved; }; struct transportid { uint8_t format_code; uint8_t protocol_id; union { uint8_t n_port_name[8]; /* FC transport*/ uint8_t sas_address[8]; /* SAS transport */ uint8_t iscsi_name[256]; /* ISCSI transport */ }; }; struct prin_fulldescr { uint8_t key[8]; uint8_t flag; /* All_tg_pt and reservation holder */ uint8_t scope_type; /* Use PR SCOPE AND TYPE MASK specified above. Meaningful only for reservation holder */ uint16_t rtpi; struct transportid trnptid; }; struct print_fulldescr_list { uint32_t prgeneration; uint32_t number_of_descriptor; uint8_t private_buffer[MPATH_MAX_PARAM_LEN]; /*Private buffer for list storage*/ struct prin_fulldescr *descriptors[]; }; struct prin_resp { union { struct prin_readdescr prin_readkeys; /* for PRIN read keys SA*/ struct prin_resvdescr prin_readresv; /* for PRIN read reservation SA*/ struct prin_capdescr prin_readcap; /* for PRIN Report Capabilities SA*/ struct print_fulldescr_list prin_readfd; /* for PRIN read full status SA*/ }prin_descriptor; }; struct prout_param_descriptor { /* PROUT parameter descriptor */ uint8_t key[8]; uint8_t sa_key[8]; uint32_t _obsolete; uint8_t sa_flags; uint8_t _reserved; uint16_t _obsolete1; uint8_t private_buffer[MPATH_MAX_PARAM_LEN]; /*private buffer for list storage*/ uint32_t num_transportid; /* Number of Transport ID listed in trnptid_list[]*/ struct transportid *trnptid_list[]; }; /* Function declarations */ /* * DESCRIPTION : * Initialize device mapper multipath configuration. This function must be invoked first * before performing reservation management functions. * RESTRICTIONS: * * RETURNS: struct config ->Success, NULL->Failed. */ extern struct config * mpath_lib_init (void); /* * DESCRIPTION : * Release device mapper multipath configuration. This function must be invoked after * performing reservation management functions. * RESTRICTIONS: * * RETURNS: 0->Success, 1->Failed. */ extern int mpath_lib_exit (struct config *conf); /* * DESCRIPTION : * This function sends PRIN command to the DM device and get the response. * * @fd: The file descriptor of a multipath device. Input argument. * @rq_servact: PRIN command service action. Input argument * @resp: The response from PRIN service action. The resp is a struct specified above. The caller should * manage the memory allocation of this struct * @noisy: Turn on debugging trace: Input argument. 0->Disable, 1->Enable * @verbose: Set verbosity level. Input argument. value:[0-3]. 0->disabled, 3->Max verbose * * RESTRICTIONS: * * RETURNS: MPATH_PR_SUCCESS if PR command successful else returns any of the status specified * above in RETURN_STATUS. * */ extern int mpath_persistent_reserve_in (int fd, int rq_servact, struct prin_resp *resp, int noisy, int verbose); /* * DESCRIPTION : * This function is like mpath_persistent_reserve_in(), except that it doesn't call * mpath_persistent_reserve_init_vecs() and mpath_persistent_reserve_free_vecs() * before and after the actual PR call. */ extern int __mpath_persistent_reserve_in(int fd, int rq_servact, struct prin_resp *resp, int noisy); /* * DESCRIPTION : * This function sends PROUT command to the DM device and get the response. * * @fd: The file descriptor of a multipath device. Input argument. * @rq_servact: PROUT command service action. Input argument * @rq_scope: Persistent reservation scope. The value should be always LU_SCOPE (0h). * @rq_type: Persistent reservation type. The valid values of persistent reservation types are * 5h (Write exclusive - registrants only) * 6h (Exclusive access - registrants only) * 7h (Write exclusive - All registrants) * 8h (Exclusive access - All registrants). * @paramp: PROUT command parameter data. The paramp is a struct which describes PROUT * parameter list. The caller should manage the memory allocation of this struct. * @noisy: Turn on debugging trace: Input argument.0->Disable, 1->Enable. * @verbose: Set verbosity level. Input argument. value:0 to 3. 0->disabled, 3->Max verbose * * RESTRICTIONS: * * RETURNS: MPATH_PR_SUCCESS if PR command successful else returns any of the status specified * above in RETURN_STATUS. */ extern int mpath_persistent_reserve_out ( int fd, int rq_servact, int rq_scope, unsigned int rq_type, struct prout_param_descriptor *paramp, int noisy, int verbose); /* * DESCRIPTION : * This function is like mpath_persistent_reserve_out(), except that it doesn't call * mpath_persistent_reserve_init_vecs() and mpath_persistent_reserve_free_vecs() * before and after the actual PR call. */ extern int __mpath_persistent_reserve_out( int fd, int rq_servact, int rq_scope, unsigned int rq_type, struct prout_param_descriptor *paramp, int noisy); /* * DESCRIPTION : * This function allocates data structures and performs basic initialization and * device discovery for later calls of __mpath_persistent_reserve_in() or * __mpath_persistent_reserve_out(). * @verbose: Set verbosity level. Input argument. value:0 to 3. 0->disabled, 3->Max verbose * * RESTRICTIONS: * * RETURNS: MPATH_PR_SUCCESS if successful else returns any of the status specified * above in RETURN_STATUS. */ int mpath_persistent_reserve_init_vecs(int verbose); /* * DESCRIPTION : * This function frees data structures allocated by * mpath_persistent_reserve_init_vecs(). */ void mpath_persistent_reserve_free_vecs(void); #ifdef __cplusplus } #endif #endif /*MPATH_PERSIST_LIB_H*/