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 #ifndef _FCT_H 26 #define _FCT_H 27 28 /* 29 * Definitions for common FC Target. 30 */ 31 #include <sys/note.h> 32 #include <sys/stmf_defines.h> 33 #include <sys/fct_defines.h> 34 #include <sys/portif.h> 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 typedef enum fct_struct_id { 41 FCT_STRUCT_LOCAL_PORT = 1, 42 FCT_STRUCT_REMOTE_PORT, 43 FCT_STRUCT_CMD_RCVD_ELS, 44 FCT_STRUCT_CMD_SOL_ELS, 45 FCT_STRUCT_CMD_SOL_CT, 46 FCT_STRUCT_CMD_RCVD_ABTS, 47 FCT_STRUCT_CMD_FCP_XCHG, 48 FCT_STRUCT_DBUF_STORE, 49 50 FCT_MAX_STRUCT_IDS 51 } fct_struct_id_t; 52 53 typedef struct fct_remote_port { 54 void *rp_fct_private; 55 void *rp_fca_private; 56 57 struct fct_local_port *rp_port; 58 uint8_t rp_nwwn[FC_WWN_LEN]; 59 uint8_t rp_pwwn[FC_WWN_LEN]; 60 uint32_t rp_id; /* 8 or 24 bit */ 61 uint32_t rp_hard_address; 62 uint16_t rp_handle; 63 } fct_remote_port_t; 64 65 #define FCT_HANDLE_NONE 0xffff 66 67 typedef struct fct_cmd { 68 void *cmd_fct_private; 69 void *cmd_fca_private; 70 void *cmd_specific; 71 72 struct fct_local_port *cmd_port; 73 74 /* During cmd porting this can be set to NULL */ 75 struct fct_remote_port *cmd_rp; 76 77 /* To link cmds together for handling things like ABTS. */ 78 struct fct_cmd *cmd_link; 79 uint8_t cmd_type; 80 uint8_t cmd_rsvd1; 81 82 /* During cmd posting this can be set to FCT_HANDLE_NONE */ 83 uint16_t cmd_rp_handle; 84 uint32_t cmd_handle; 85 uint32_t cmd_rportid; 86 uint32_t cmd_lportid; 87 uint32_t cmd_rsvd2; 88 uint16_t cmd_oxid; 89 uint16_t cmd_rxid; 90 fct_status_t cmd_comp_status; 91 } fct_cmd_t; 92 93 /* 94 * fcmd_cmd_handle: Bit definitions. 95 * 31 23 15 7 0 96 * +--------------+------------+------------+------------+ 97 * | V |uniq_cntr |fca specific| cmd slot index | 98 * +--------------+------------+------------+------------+ 99 * V = handle valid. 100 */ 101 #define CMD_HANDLE_SLOT_INDEX(x) ((x) & 0xffff) 102 #define CMD_HANDLE_VALID(x) ((x) & 0x80000000) 103 104 enum fct_cmd_types { 105 FCT_CMD_FCP_XCHG = 0x0001, 106 FCT_CMD_RCVD_ELS = 0x0002, 107 FCT_CMD_SOL_ELS = 0x0004, 108 FCT_CMD_RCVD_ABTS = 0x0008, 109 FCT_CMD_SOL_CT = 0x0010, 110 111 FCT_CMD_TYPE_ALL = 0xffff 112 }; 113 114 typedef struct fct_els { 115 uint16_t els_req_size; 116 uint16_t els_resp_size; 117 uint16_t els_req_alloc_size; 118 uint16_t els_resp_alloc_size; 119 uint8_t *els_req_payload; 120 uint8_t *els_resp_payload; 121 } fct_els_t; 122 123 typedef struct fct_sol_ct { 124 uint16_t ct_req_size; 125 uint16_t ct_resp_size; 126 uint16_t ct_req_alloc_size; 127 uint16_t ct_resp_alloc_size; 128 uint8_t *ct_req_payload; 129 uint8_t *ct_resp_payload; 130 } fct_sol_ct_t; 131 132 typedef struct fct_rcvd_abts { 133 uint8_t abts_resp_rctl; /* Can be BA_ACC or BA_RJT */ 134 uint8_t abts_state; 135 uint16_t rsvd; 136 uint8_t abts_resp_payload[12]; 137 } fct_rcvd_abts_t; 138 139 /* 140 * abts state 141 */ 142 #define ABTS_STATE_RECEIVED 0 143 #define ABTS_STATE_RESPONDED 1 144 #define ABTS_STATE_COMPLETED 2 145 #define ABTS_STATE_ABORT_REQUESTED 3 146 #define ABTS_STATE_ABORT_COMPLETED 4 147 148 #define FCHBA_MANUFACTURER_LEN 64 149 #define FCHBA_SERIAL_NUMBER_LEN 64 150 #define FCHBA_MODEL_LEN 256 151 #define FCHBA_MODEL_DESCRIPTION_LEN 256 152 #define FCHBA_HARDWARE_VERSION_LEN 256 153 #define FCHBA_DRIVER_VERSION_LEN 256 154 #define FCHBA_OPTION_ROM_VERSION_LEN 256 155 #define FCHBA_FIRMWARE_VERSION_LEN 256 156 #define FCHBA_DRIVER_NAME_LEN 256 157 #define FCHBA_SYMB_NAME_LEN 255 158 159 typedef struct fct_port_attrs { 160 char manufacturer[FCHBA_MANUFACTURER_LEN]; 161 char serial_number[FCHBA_SERIAL_NUMBER_LEN]; 162 char model[FCHBA_MODEL_LEN]; 163 char model_description[FCHBA_MODEL_DESCRIPTION_LEN]; 164 char hardware_version[FCHBA_HARDWARE_VERSION_LEN]; 165 char driver_version[FCHBA_DRIVER_VERSION_LEN]; 166 char option_rom_version[FCHBA_OPTION_ROM_VERSION_LEN]; 167 char firmware_version[FCHBA_FIRMWARE_VERSION_LEN]; 168 char driver_name[FCHBA_DRIVER_NAME_LEN]; 169 uint32_t vendor_specific_id; 170 uint32_t supported_cos; 171 uint32_t supported_speed; 172 uint32_t max_frame_size; 173 } fct_port_attrs_t; 174 175 typedef struct fct_dbuf_store { 176 void *fds_fct_private; 177 void *fds_fca_private; 178 struct stmf_dbuf_store *fds_ds; 179 180 stmf_data_buf_t *(*fds_alloc_data_buf)(struct fct_local_port *port, 181 uint32_t size, uint32_t *pminsize, uint32_t flags); 182 void (*fds_free_data_buf)(struct fct_dbuf_store *fds, 183 stmf_data_buf_t *dbuf); 184 } fct_dbuf_store_t; 185 186 typedef struct fct_local_port { 187 void *port_fct_private; 188 void *port_fca_private; 189 stmf_local_port_t *port_lport; 190 191 uint8_t port_nwwn[FC_WWN_LEN]; 192 uint8_t port_pwwn[FC_WWN_LEN]; 193 char *port_default_alias; 194 char *port_sym_node_name; 195 char *port_sym_port_name; 196 197 stmf_port_provider_t *port_pp; 198 199 uint32_t port_hard_address; 200 uint16_t port_max_logins; 201 uint16_t port_max_xchges; 202 uint32_t port_fca_fcp_cmd_size; 203 uint32_t port_fca_rp_private_size; 204 uint32_t port_fca_sol_els_private_size; 205 uint32_t port_fca_sol_ct_private_size; 206 207 /* in milliseconds */ 208 uint32_t port_fca_abort_timeout; 209 210 fct_dbuf_store_t *port_fds; 211 fct_status_t (*port_get_link_info)( 212 struct fct_local_port *port, struct fct_link_info *li); 213 fct_status_t (*port_register_remote_port)( 214 struct fct_local_port *port, struct fct_remote_port *rp, 215 struct fct_cmd *login_els); 216 fct_status_t (*port_deregister_remote_port)( 217 struct fct_local_port *port, struct fct_remote_port *rp); 218 fct_status_t (*port_send_cmd)(fct_cmd_t *cmd); 219 fct_status_t (*port_xfer_scsi_data)(fct_cmd_t *cmd, 220 stmf_data_buf_t *dbuf, uint32_t flags); 221 fct_status_t (*port_send_cmd_response)(fct_cmd_t *cmd, 222 uint32_t ioflags); 223 fct_status_t (*port_abort_cmd)(struct fct_local_port *port, 224 fct_cmd_t *cmd, uint32_t flags); 225 void (*port_ctl)(struct fct_local_port *port, 226 int cmd, void *arg); 227 fct_status_t (*port_flogi_xchg)(struct fct_local_port *port, 228 struct fct_flogi_xchg *fx); 229 void (*port_populate_hba_details)( 230 struct fct_local_port *port, struct fct_port_attrs *port_attrs); 231 } fct_local_port_t; 232 233 /* 234 * Common struct used during FLOGI exchange. 235 */ 236 typedef struct fct_flogi_xchg { 237 uint8_t fx_op; /* ELS_OP_FLOGI or ELS_OP_ACC/RJT */ 238 uint8_t fx_rjt_reason; 239 uint8_t fx_rjt_expl; 240 uint8_t fx_sec_timeout; /* Timeout in seconds */ 241 uint32_t fx_fport:1, /* 0=N_port, 1=F_port */ 242 rsvd2:31; 243 uint32_t fx_sid; /* 24 bit SID to use */ 244 uint32_t fx_did; /* 24 bit DID to use */ 245 uint8_t fx_pwwn[8]; 246 uint8_t fx_nwwn[8]; 247 } fct_flogi_xchg_t; 248 249 typedef struct fct_link_info { 250 uint32_t portid; 251 uint8_t port_topology; 252 uint8_t port_speed; 253 254 uint8_t rsvd:5, 255 256 /* 257 * FCA sets this bit to indicate that fct does not need to do FLOGI 258 * because either FCA did the FLOGI or it determined that its a private 259 * loop. Setting this bit by FCA is optional. 260 */ 261 port_no_fct_flogi:1, 262 263 /* FCA sets this bit to indicate that it did FLOGI */ 264 port_fca_flogi_done:1, 265 266 /* FCT sets this bit to indicate that it did FLOGI */ 267 port_fct_flogi_done:1; 268 269 uint8_t rsvd1; 270 271 /* The fields below are only valid if someone did a successful flogi */ 272 uint8_t port_rnwwn[8]; 273 uint8_t port_rpwwn[8]; 274 } fct_link_info_t; 275 276 /* 277 * port topology 278 */ 279 #define PORT_TOPOLOGY_UNKNOWN 0 280 #define PORT_TOPOLOGY_PT_TO_PT 1 281 #define PORT_TOPOLOGY_PRIVATE_LOOP 2 282 #define PORT_TOPOLOGY_PUBLIC_LOOP 6 283 #define PORT_TOPOLOGY_FABRIC_PT_TO_PT 5 284 #define PORT_TOPOLOGY_FABRIC_BIT 4 285 286 #define PORT_FLOGI_DONE(li) (((li)->port_fca_flogi_done) || \ 287 ((li)->port_fct_flogi_done)) 288 289 /* 290 * port speed 291 */ 292 #define PORT_SPEED_UNKNOWN 0 293 #define PORT_SPEED_1G 1 294 #define PORT_SPEED_2G 2 295 #define PORT_SPEED_4G 4 296 #define PORT_SPEED_8G 8 297 298 /* 299 * Abort commands 300 */ 301 #define FCT_TERMINATE_CMD 1 302 303 /* 304 * FCT port states. 305 */ 306 #define FCT_STATE_OFFLINE 0 307 #define FCT_STATE_ONLINING 1 308 #define FCT_STATE_ONLINE 2 309 #define FCT_STATE_OFFLINING 3 310 311 /* 312 * fct ctl commands. These should not conflict with stmf ctl commands 313 */ 314 #define FCT_CMD_PORT_ONLINE (STMF_LPORT_CTL_CMDS | 0x01) 315 #define FCT_CMD_PORT_ONLINE_COMPLETE (STMF_LPORT_CTL_CMDS | 0x02) 316 #define FCT_CMD_PORT_OFFLINE (STMF_LPORT_CTL_CMDS | 0x03) 317 #define FCT_CMD_PORT_OFFLINE_COMPLETE (STMF_LPORT_CTL_CMDS | 0x04) 318 #define FCT_ACK_PORT_ONLINE_COMPLETE (STMF_LPORT_CTL_CMDS | 0x05) 319 #define FCT_ACK_PORT_OFFLINE_COMPLETE (STMF_LPORT_CTL_CMDS | 0x06) 320 321 /* 322 * IO flags for cmd flow. 323 */ 324 #define FCT_IOF_FCA_DONE 0x10000 325 #define FCT_IOF_FORCE_FCA_DONE 0x20000 326 327 /* 328 * Fill CTIU preample 329 */ 330 #ifdef lint 331 #define FCT_FILL_CTIU_PREAMPLE(x_payload, x_ctop) _NOTE(EMPTY) 332 #else 333 #define FCT_FILL_CTIU_PREAMPLE(x_payload, x_ctop) \ 334 do { \ 335 x_payload[0] = 0x02; \ 336 x_payload[4] = 0xFC; \ 337 x_payload[5] = 0x02; \ 338 x_payload[8] = 0xFF & (x_ctop >> 8); \ 339 x_payload[9] = 0xFF & (x_ctop); \ 340 } while (0) 341 #endif 342 343 uint64_t fct_netbuf_to_value(uint8_t *buf, uint8_t nbytes); 344 void fct_value_to_netbuf(uint64_t value, uint8_t *buf, uint8_t nbytes); 345 void *fct_alloc(fct_struct_id_t struct_id, int additional_size, int flags); 346 void fct_free(void *ptr); 347 fct_cmd_t *fct_scsi_task_alloc(struct fct_local_port *port, 348 uint16_t rp_handle, uint32_t rportid, uint8_t *lun, 349 uint16_t cdb_length, uint16_t task_ext); 350 fct_status_t fct_register_local_port(fct_local_port_t *port); 351 fct_status_t fct_deregister_local_port(fct_local_port_t *port); 352 void fct_handle_event(fct_local_port_t *port, int event_id, 353 uint32_t event_flags, caddr_t arg); 354 void fct_post_rcvd_cmd(fct_cmd_t *cmd, stmf_data_buf_t *dbuf); 355 void fct_queue_cmd_for_termination(fct_cmd_t *cmd, fct_status_t s); 356 void fct_queue_scsi_task_for_termination(fct_cmd_t *cmd, fct_status_t s); 357 fct_cmd_t *fct_handle_to_cmd(fct_local_port_t *port, uint32_t fct_handle); 358 void fct_ctl(struct stmf_local_port *lport, int cmd, void *arg); 359 void fct_cmd_fca_aborted(fct_cmd_t *cmd, fct_status_t s, uint32_t ioflags); 360 uint16_t fct_get_rp_handle(fct_local_port_t *port, uint32_t rportid); 361 void fct_send_response_done(fct_cmd_t *cmd, fct_status_t s, uint32_t ioflags); 362 void fct_send_cmd_done(fct_cmd_t *cmd, fct_status_t s, uint32_t ioflags); 363 void fct_scsi_data_xfer_done(fct_cmd_t *cmd, stmf_data_buf_t *dbuf, 364 uint32_t ioflags); 365 fct_status_t fct_port_initialize(fct_local_port_t *port, uint32_t rflags, 366 char *additional_info); 367 fct_status_t fct_port_shutdown(fct_local_port_t *port, uint32_t rflags, 368 char *additional_info); 369 fct_status_t fct_handle_rcvd_flogi(fct_local_port_t *port, 370 fct_flogi_xchg_t *fx); 371 void fct_log_local_port_event(fct_local_port_t *port, char *subclass); 372 void fct_log_remote_port_event(fct_local_port_t *port, char *subclass, 373 uint8_t *rp_pwwn, uint32_t rp_id); 374 375 #ifdef __cplusplus 376 } 377 #endif 378 379 #endif /* _FCT_H */ 380