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c66ac9db NB |
1 | #ifndef TARGET_CORE_BASE_H |
2 | #define TARGET_CORE_BASE_H | |
3 | ||
4 | #include <linux/in.h> | |
5 | #include <linux/configfs.h> | |
6 | #include <linux/dma-mapping.h> | |
7 | #include <linux/blkdev.h> | |
8 | #include <scsi/scsi_cmnd.h> | |
9 | #include <net/sock.h> | |
10 | #include <net/tcp.h> | |
c66ac9db | 11 | |
9765b1f3 | 12 | #define TARGET_CORE_MOD_VERSION "v4.1.0-rc2-ml" |
c4795fb2 | 13 | #define TARGET_CORE_VERSION TARGET_CORE_MOD_VERSION |
c66ac9db | 14 | |
c66ac9db | 15 | /* Maximum Number of LUNs per Target Portal Group */ |
d0229ae3 | 16 | /* Don't raise above 511 or REPORT_LUNS needs to handle >1 page */ |
c66ac9db NB |
17 | #define TRANSPORT_MAX_LUNS_PER_TPG 256 |
18 | /* | |
19 | * By default we use 32-byte CDBs in TCM Core and subsystem plugin code. | |
20 | * | |
21 | * Note that both include/scsi/scsi_cmnd.h:MAX_COMMAND_SIZE and | |
22 | * include/linux/blkdev.h:BLOCK_MAX_CDB as of v2.6.36-rc4 still use | |
23 | * 16-byte CDBs by default and require an extra allocation for | |
25985edc | 24 | * 32-byte CDBs to because of legacy issues. |
c66ac9db NB |
25 | * |
26 | * Within TCM Core there are no such legacy limitiations, so we go ahead | |
27 | * use 32-byte CDBs by default and use include/scsi/scsi.h:scsi_command_size() | |
28 | * within all TCM Core and subsystem plugin code. | |
29 | */ | |
30 | #define TCM_MAX_COMMAND_SIZE 32 | |
31 | /* | |
32 | * From include/scsi/scsi_cmnd.h:SCSI_SENSE_BUFFERSIZE, currently | |
33 | * defined 96, but the real limit is 252 (or 260 including the header) | |
34 | */ | |
35 | #define TRANSPORT_SENSE_BUFFER SCSI_SENSE_BUFFERSIZE | |
36 | /* Used by transport_send_check_condition_and_sense() */ | |
37 | #define SPC_SENSE_KEY_OFFSET 2 | |
895f3022 | 38 | #define SPC_ADD_SENSE_LEN_OFFSET 7 |
c66ac9db NB |
39 | #define SPC_ASC_KEY_OFFSET 12 |
40 | #define SPC_ASCQ_KEY_OFFSET 13 | |
41 | #define TRANSPORT_IQN_LEN 224 | |
42 | /* Used by target_core_store_alua_lu_gp() and target_core_alua_lu_gp_show_attr_members() */ | |
43 | #define LU_GROUP_NAME_BUF 256 | |
44 | /* Used by core_alua_store_tg_pt_gp_info() and target_core_alua_tg_pt_gp_show_attr_members() */ | |
45 | #define TG_PT_GROUP_NAME_BUF 256 | |
46 | /* Used to parse VPD into struct t10_vpd */ | |
47 | #define VPD_TMP_BUF_SIZE 128 | |
48 | /* Used by transport_generic_cmd_sequencer() */ | |
49 | #define READ_BLOCK_LEN 6 | |
50 | #define READ_CAP_LEN 8 | |
51 | #define READ_POSITION_LEN 20 | |
52 | #define INQUIRY_LEN 36 | |
53 | /* Used by transport_get_inquiry_vpd_serial() */ | |
54 | #define INQUIRY_VPD_SERIAL_LEN 254 | |
55 | /* Used by transport_get_inquiry_vpd_device_ident() */ | |
56 | #define INQUIRY_VPD_DEVICE_IDENTIFIER_LEN 254 | |
57 | ||
c4795fb2 CH |
58 | /* Attempts before moving from SHORT to LONG */ |
59 | #define PYX_TRANSPORT_WINDOW_CLOSED_THRESHOLD 3 | |
60 | #define PYX_TRANSPORT_WINDOW_CLOSED_WAIT_SHORT 3 /* In milliseconds */ | |
61 | #define PYX_TRANSPORT_WINDOW_CLOSED_WAIT_LONG 10 /* In milliseconds */ | |
62 | ||
63 | #define PYX_TRANSPORT_STATUS_INTERVAL 5 /* In seconds */ | |
64 | ||
65 | /* | |
66 | * struct se_subsystem_dev->su_dev_flags | |
67 | */ | |
68 | #define SDF_FIRMWARE_VPD_UNIT_SERIAL 0x00000001 | |
69 | #define SDF_EMULATED_VPD_UNIT_SERIAL 0x00000002 | |
70 | #define SDF_USING_UDEV_PATH 0x00000004 | |
71 | #define SDF_USING_ALIAS 0x00000008 | |
72 | ||
73 | /* | |
74 | * struct se_device->dev_flags | |
75 | */ | |
76 | #define DF_READ_ONLY 0x00000001 | |
77 | #define DF_SPC2_RESERVATIONS 0x00000002 | |
78 | #define DF_SPC2_RESERVATIONS_WITH_ISID 0x00000004 | |
79 | ||
80 | /* struct se_dev_attrib sanity values */ | |
81 | /* Default max_unmap_lba_count */ | |
82 | #define DA_MAX_UNMAP_LBA_COUNT 0 | |
83 | /* Default max_unmap_block_desc_count */ | |
84 | #define DA_MAX_UNMAP_BLOCK_DESC_COUNT 0 | |
85 | /* Default unmap_granularity */ | |
86 | #define DA_UNMAP_GRANULARITY_DEFAULT 0 | |
87 | /* Default unmap_granularity_alignment */ | |
88 | #define DA_UNMAP_GRANULARITY_ALIGNMENT_DEFAULT 0 | |
015487b8 RD |
89 | /* Default max transfer length */ |
90 | #define DA_FABRIC_MAX_SECTORS 8192 | |
c4795fb2 CH |
91 | /* Emulation for Direct Page Out */ |
92 | #define DA_EMULATE_DPO 0 | |
93 | /* Emulation for Forced Unit Access WRITEs */ | |
94 | #define DA_EMULATE_FUA_WRITE 1 | |
95 | /* Emulation for Forced Unit Access READs */ | |
96 | #define DA_EMULATE_FUA_READ 0 | |
97 | /* Emulation for WriteCache and SYNCHRONIZE_CACHE */ | |
98 | #define DA_EMULATE_WRITE_CACHE 0 | |
99 | /* Emulation for UNIT ATTENTION Interlock Control */ | |
100 | #define DA_EMULATE_UA_INTLLCK_CTRL 0 | |
101 | /* Emulation for TASK_ABORTED status (TAS) by default */ | |
102 | #define DA_EMULATE_TAS 1 | |
103 | /* Emulation for Thin Provisioning UNMAP using block/blk-lib.c:blkdev_issue_discard() */ | |
104 | #define DA_EMULATE_TPU 0 | |
105 | /* | |
106 | * Emulation for Thin Provisioning WRITE_SAME w/ UNMAP=1 bit using | |
107 | * block/blk-lib.c:blkdev_issue_discard() | |
108 | */ | |
109 | #define DA_EMULATE_TPWS 0 | |
110 | /* No Emulation for PSCSI by default */ | |
111 | #define DA_EMULATE_RESERVATIONS 0 | |
112 | /* No Emulation for PSCSI by default */ | |
113 | #define DA_EMULATE_ALUA 0 | |
114 | /* Enforce SCSI Initiator Port TransportID with 'ISID' for PR */ | |
115 | #define DA_ENFORCE_PR_ISIDS 1 | |
116 | #define DA_STATUS_MAX_SECTORS_MIN 16 | |
117 | #define DA_STATUS_MAX_SECTORS_MAX 8192 | |
118 | /* By default don't report non-rotating (solid state) medium */ | |
119 | #define DA_IS_NONROT 0 | |
120 | /* Queue Algorithm Modifier default for restricted reordering in control mode page */ | |
121 | #define DA_EMULATE_REST_REORD 0 | |
122 | ||
d95b8246 | 123 | #define SE_INQUIRY_BUF 512 |
c4795fb2 CH |
124 | #define SE_MODE_PAGE_BUF 512 |
125 | ||
c66ac9db NB |
126 | /* struct se_hba->hba_flags */ |
127 | enum hba_flags_table { | |
128 | HBA_FLAGS_INTERNAL_USE = 0x01, | |
129 | HBA_FLAGS_PSCSI_MODE = 0x02, | |
130 | }; | |
131 | ||
132 | /* struct se_lun->lun_status */ | |
133 | enum transport_lun_status_table { | |
134 | TRANSPORT_LUN_STATUS_FREE = 0, | |
135 | TRANSPORT_LUN_STATUS_ACTIVE = 1, | |
136 | }; | |
137 | ||
138 | /* struct se_portal_group->se_tpg_type */ | |
139 | enum transport_tpg_type_table { | |
140 | TRANSPORT_TPG_TYPE_NORMAL = 0, | |
141 | TRANSPORT_TPG_TYPE_DISCOVERY = 1, | |
142 | }; | |
143 | ||
ef804a84 | 144 | /* struct se_task->task_flags */ |
6c76bf95 CH |
145 | enum se_task_flags { |
146 | TF_ACTIVE = (1 << 0), | |
147 | TF_SENT = (1 << 1), | |
2e982ab9 | 148 | TF_REQUEST_STOP = (1 << 2), |
ef804a84 | 149 | TF_HAS_SENSE = (1 << 3), |
c66ac9db NB |
150 | }; |
151 | ||
152 | /* Special transport agnostic struct se_cmd->t_states */ | |
153 | enum transport_state_table { | |
154 | TRANSPORT_NO_STATE = 0, | |
155 | TRANSPORT_NEW_CMD = 1, | |
c66ac9db NB |
156 | TRANSPORT_WRITE_PENDING = 3, |
157 | TRANSPORT_PROCESS_WRITE = 4, | |
158 | TRANSPORT_PROCESSING = 5, | |
35e0e757 | 159 | TRANSPORT_COMPLETE = 6, |
c66ac9db | 160 | TRANSPORT_PROCESS_TMR = 9, |
c66ac9db | 161 | TRANSPORT_ISTATE_PROCESSING = 11, |
c66ac9db | 162 | TRANSPORT_NEW_CMD_MAP = 16, |
07bde79a | 163 | TRANSPORT_COMPLETE_QF_WP = 18, |
e057f533 | 164 | TRANSPORT_COMPLETE_QF_OK = 19, |
c66ac9db NB |
165 | }; |
166 | ||
167 | /* Used for struct se_cmd->se_cmd_flags */ | |
168 | enum se_cmd_flags_table { | |
169 | SCF_SUPPORTED_SAM_OPCODE = 0x00000001, | |
170 | SCF_TRANSPORT_TASK_SENSE = 0x00000002, | |
171 | SCF_EMULATED_TASK_SENSE = 0x00000004, | |
172 | SCF_SCSI_DATA_SG_IO_CDB = 0x00000008, | |
173 | SCF_SCSI_CONTROL_SG_IO_CDB = 0x00000010, | |
c8e31f26 AG |
174 | SCF_SCSI_NON_DATA_CDB = 0x00000020, |
175 | SCF_SCSI_TMR_CDB = 0x00000040, | |
c66ac9db NB |
176 | SCF_SCSI_CDB_EXCEPTION = 0x00000080, |
177 | SCF_SCSI_RESERVATION_CONFLICT = 0x00000100, | |
2d3a4b51 | 178 | SCF_FUA = 0x00000200, |
c66ac9db NB |
179 | SCF_SE_LUN_CMD = 0x00000800, |
180 | SCF_SE_ALLOW_EOO = 0x00001000, | |
33c3fafc | 181 | SCF_BIDI = 0x00002000, |
c66ac9db NB |
182 | SCF_SENT_CHECK_CONDITION = 0x00004000, |
183 | SCF_OVERFLOW_BIT = 0x00008000, | |
184 | SCF_UNDERFLOW_BIT = 0x00010000, | |
185 | SCF_SENT_DELAYED_TAS = 0x00020000, | |
186 | SCF_ALUA_NON_OPTIMIZED = 0x00040000, | |
187 | SCF_DELAYED_CMD_FROM_SAM_ATTR = 0x00080000, | |
5951146d | 188 | SCF_UNUSED = 0x00100000, |
86715569 NB |
189 | SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC = 0x00200000, |
190 | SCF_ACK_KREF = 0x00400000, | |
c66ac9db NB |
191 | }; |
192 | ||
193 | /* struct se_dev_entry->lun_flags and struct se_lun->lun_access */ | |
194 | enum transport_lunflags_table { | |
195 | TRANSPORT_LUNFLAGS_NO_ACCESS = 0x00, | |
196 | TRANSPORT_LUNFLAGS_INITIATOR_ACCESS = 0x01, | |
197 | TRANSPORT_LUNFLAGS_READ_ONLY = 0x02, | |
198 | TRANSPORT_LUNFLAGS_READ_WRITE = 0x04, | |
199 | }; | |
200 | ||
201 | /* struct se_device->dev_status */ | |
202 | enum transport_device_status_table { | |
203 | TRANSPORT_DEVICE_ACTIVATED = 0x01, | |
204 | TRANSPORT_DEVICE_DEACTIVATED = 0x02, | |
205 | TRANSPORT_DEVICE_QUEUE_FULL = 0x04, | |
206 | TRANSPORT_DEVICE_SHUTDOWN = 0x08, | |
207 | TRANSPORT_DEVICE_OFFLINE_ACTIVATED = 0x10, | |
208 | TRANSPORT_DEVICE_OFFLINE_DEACTIVATED = 0x20, | |
209 | }; | |
210 | ||
211 | /* | |
212 | * Used by transport_send_check_condition_and_sense() and se_cmd->scsi_sense_reason | |
213 | * to signal which ASC/ASCQ sense payload should be built. | |
214 | */ | |
215 | enum tcm_sense_reason_table { | |
216 | TCM_NON_EXISTENT_LUN = 0x01, | |
217 | TCM_UNSUPPORTED_SCSI_OPCODE = 0x02, | |
218 | TCM_INCORRECT_AMOUNT_OF_DATA = 0x03, | |
219 | TCM_UNEXPECTED_UNSOLICITED_DATA = 0x04, | |
220 | TCM_SERVICE_CRC_ERROR = 0x05, | |
221 | TCM_SNACK_REJECTED = 0x06, | |
222 | TCM_SECTOR_COUNT_TOO_MANY = 0x07, | |
223 | TCM_INVALID_CDB_FIELD = 0x08, | |
224 | TCM_INVALID_PARAMETER_LIST = 0x09, | |
225 | TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE = 0x0a, | |
226 | TCM_UNKNOWN_MODE_PAGE = 0x0b, | |
227 | TCM_WRITE_PROTECTED = 0x0c, | |
228 | TCM_CHECK_CONDITION_ABORT_CMD = 0x0d, | |
229 | TCM_CHECK_CONDITION_UNIT_ATTENTION = 0x0e, | |
230 | TCM_CHECK_CONDITION_NOT_READY = 0x0f, | |
03e98c9e | 231 | TCM_RESERVATION_CONFLICT = 0x10, |
c66ac9db NB |
232 | }; |
233 | ||
a6360785 NB |
234 | enum target_sc_flags_table { |
235 | TARGET_SCF_BIDI_OP = 0x01, | |
236 | TARGET_SCF_ACK_KREF = 0x02, | |
237 | }; | |
238 | ||
c4795fb2 CH |
239 | /* fabric independent task management function values */ |
240 | enum tcm_tmreq_table { | |
241 | TMR_ABORT_TASK = 1, | |
242 | TMR_ABORT_TASK_SET = 2, | |
243 | TMR_CLEAR_ACA = 3, | |
244 | TMR_CLEAR_TASK_SET = 4, | |
245 | TMR_LUN_RESET = 5, | |
246 | TMR_TARGET_WARM_RESET = 6, | |
247 | TMR_TARGET_COLD_RESET = 7, | |
248 | TMR_FABRIC_TMR = 255, | |
249 | }; | |
250 | ||
251 | /* fabric independent task management response values */ | |
252 | enum tcm_tmrsp_table { | |
253 | TMR_FUNCTION_COMPLETE = 0, | |
254 | TMR_TASK_DOES_NOT_EXIST = 1, | |
255 | TMR_LUN_DOES_NOT_EXIST = 2, | |
256 | TMR_TASK_STILL_ALLEGIANT = 3, | |
257 | TMR_TASK_FAILOVER_NOT_SUPPORTED = 4, | |
258 | TMR_TASK_MGMT_FUNCTION_NOT_SUPPORTED = 5, | |
259 | TMR_FUNCTION_AUTHORIZATION_FAILED = 6, | |
260 | TMR_FUNCTION_REJECTED = 255, | |
261 | }; | |
262 | ||
c66ac9db NB |
263 | struct se_obj { |
264 | atomic_t obj_access_count; | |
e0a53e70 | 265 | }; |
c66ac9db NB |
266 | |
267 | /* | |
268 | * Used by TCM Core internally to signal if ALUA emulation is enabled or | |
269 | * disabled, or running in with TCM/pSCSI passthrough mode | |
270 | */ | |
271 | typedef enum { | |
272 | SPC_ALUA_PASSTHROUGH, | |
273 | SPC2_ALUA_DISABLED, | |
274 | SPC3_ALUA_EMULATED | |
275 | } t10_alua_index_t; | |
276 | ||
277 | /* | |
278 | * Used by TCM Core internally to signal if SAM Task Attribute emulation | |
279 | * is enabled or disabled, or running in with TCM/pSCSI passthrough mode | |
280 | */ | |
281 | typedef enum { | |
282 | SAM_TASK_ATTR_PASSTHROUGH, | |
283 | SAM_TASK_ATTR_UNTAGGED, | |
284 | SAM_TASK_ATTR_EMULATED | |
285 | } t10_task_attr_index_t; | |
286 | ||
e89d15ee NB |
287 | /* |
288 | * Used for target SCSI statistics | |
289 | */ | |
290 | typedef enum { | |
291 | SCSI_INST_INDEX, | |
292 | SCSI_DEVICE_INDEX, | |
293 | SCSI_AUTH_INTR_INDEX, | |
294 | SCSI_INDEX_TYPE_MAX | |
295 | } scsi_index_t; | |
296 | ||
c66ac9db NB |
297 | struct se_cmd; |
298 | ||
299 | struct t10_alua { | |
300 | t10_alua_index_t alua_type; | |
301 | /* ALUA Target Port Group ID */ | |
302 | u16 alua_tg_pt_gps_counter; | |
303 | u32 alua_tg_pt_gps_count; | |
304 | spinlock_t tg_pt_gps_lock; | |
305 | struct se_subsystem_dev *t10_sub_dev; | |
306 | /* Used for default ALUA Target Port Group */ | |
307 | struct t10_alua_tg_pt_gp *default_tg_pt_gp; | |
308 | /* Used for default ALUA Target Port Group ConfigFS group */ | |
309 | struct config_group alua_tg_pt_gps_group; | |
310 | int (*alua_state_check)(struct se_cmd *, unsigned char *, u8 *); | |
311 | struct list_head tg_pt_gps_list; | |
e0a53e70 | 312 | }; |
c66ac9db NB |
313 | |
314 | struct t10_alua_lu_gp { | |
315 | u16 lu_gp_id; | |
316 | int lu_gp_valid_id; | |
317 | u32 lu_gp_members; | |
c66ac9db NB |
318 | atomic_t lu_gp_ref_cnt; |
319 | spinlock_t lu_gp_lock; | |
320 | struct config_group lu_gp_group; | |
e3d6f909 | 321 | struct list_head lu_gp_node; |
c66ac9db | 322 | struct list_head lu_gp_mem_list; |
e0a53e70 | 323 | }; |
c66ac9db NB |
324 | |
325 | struct t10_alua_lu_gp_member { | |
5dd7ed2e | 326 | bool lu_gp_assoc; |
c66ac9db NB |
327 | atomic_t lu_gp_mem_ref_cnt; |
328 | spinlock_t lu_gp_mem_lock; | |
329 | struct t10_alua_lu_gp *lu_gp; | |
330 | struct se_device *lu_gp_mem_dev; | |
331 | struct list_head lu_gp_mem_list; | |
e0a53e70 | 332 | }; |
c66ac9db NB |
333 | |
334 | struct t10_alua_tg_pt_gp { | |
335 | u16 tg_pt_gp_id; | |
336 | int tg_pt_gp_valid_id; | |
337 | int tg_pt_gp_alua_access_status; | |
338 | int tg_pt_gp_alua_access_type; | |
339 | int tg_pt_gp_nonop_delay_msecs; | |
340 | int tg_pt_gp_trans_delay_msecs; | |
341 | int tg_pt_gp_pref; | |
342 | int tg_pt_gp_write_metadata; | |
343 | /* Used by struct t10_alua_tg_pt_gp->tg_pt_gp_md_buf_len */ | |
344 | #define ALUA_MD_BUF_LEN 1024 | |
345 | u32 tg_pt_gp_md_buf_len; | |
346 | u32 tg_pt_gp_members; | |
347 | atomic_t tg_pt_gp_alua_access_state; | |
348 | atomic_t tg_pt_gp_ref_cnt; | |
349 | spinlock_t tg_pt_gp_lock; | |
350 | struct mutex tg_pt_gp_md_mutex; | |
351 | struct se_subsystem_dev *tg_pt_gp_su_dev; | |
352 | struct config_group tg_pt_gp_group; | |
353 | struct list_head tg_pt_gp_list; | |
354 | struct list_head tg_pt_gp_mem_list; | |
e0a53e70 | 355 | }; |
c66ac9db NB |
356 | |
357 | struct t10_alua_tg_pt_gp_member { | |
5dd7ed2e | 358 | bool tg_pt_gp_assoc; |
c66ac9db NB |
359 | atomic_t tg_pt_gp_mem_ref_cnt; |
360 | spinlock_t tg_pt_gp_mem_lock; | |
361 | struct t10_alua_tg_pt_gp *tg_pt_gp; | |
362 | struct se_port *tg_pt; | |
363 | struct list_head tg_pt_gp_mem_list; | |
e0a53e70 | 364 | }; |
c66ac9db NB |
365 | |
366 | struct t10_vpd { | |
367 | unsigned char device_identifier[INQUIRY_VPD_DEVICE_IDENTIFIER_LEN]; | |
368 | int protocol_identifier_set; | |
369 | u32 protocol_identifier; | |
370 | u32 device_identifier_code_set; | |
371 | u32 association; | |
372 | u32 device_identifier_type; | |
373 | struct list_head vpd_list; | |
e0a53e70 | 374 | }; |
c66ac9db NB |
375 | |
376 | struct t10_wwn { | |
e3d6f909 AG |
377 | char vendor[8]; |
378 | char model[16]; | |
379 | char revision[4]; | |
380 | char unit_serial[INQUIRY_VPD_SERIAL_LEN]; | |
c66ac9db NB |
381 | spinlock_t t10_vpd_lock; |
382 | struct se_subsystem_dev *t10_sub_dev; | |
383 | struct config_group t10_wwn_group; | |
384 | struct list_head t10_vpd_list; | |
e0a53e70 | 385 | }; |
c66ac9db NB |
386 | |
387 | ||
388 | /* | |
25985edc | 389 | * Used by TCM Core internally to signal if >= SPC-3 persistent reservations |
c66ac9db NB |
390 | * emulation is enabled or disabled, or running in with TCM/pSCSI passthrough |
391 | * mode | |
392 | */ | |
393 | typedef enum { | |
394 | SPC_PASSTHROUGH, | |
395 | SPC2_RESERVATIONS, | |
396 | SPC3_PERSISTENT_RESERVATIONS | |
397 | } t10_reservations_index_t; | |
398 | ||
399 | struct t10_pr_registration { | |
400 | /* Used for fabrics that contain WWN+ISID */ | |
401 | #define PR_REG_ISID_LEN 16 | |
402 | /* PR_REG_ISID_LEN + ',i,0x' */ | |
403 | #define PR_REG_ISID_ID_LEN (PR_REG_ISID_LEN + 5) | |
404 | char pr_reg_isid[PR_REG_ISID_LEN]; | |
405 | /* Used during APTPL metadata reading */ | |
406 | #define PR_APTPL_MAX_IPORT_LEN 256 | |
407 | unsigned char pr_iport[PR_APTPL_MAX_IPORT_LEN]; | |
408 | /* Used during APTPL metadata reading */ | |
409 | #define PR_APTPL_MAX_TPORT_LEN 256 | |
410 | unsigned char pr_tport[PR_APTPL_MAX_TPORT_LEN]; | |
411 | /* For writing out live meta data */ | |
412 | unsigned char *pr_aptpl_buf; | |
413 | u16 pr_aptpl_rpti; | |
414 | u16 pr_reg_tpgt; | |
415 | /* Reservation effects all target ports */ | |
416 | int pr_reg_all_tg_pt; | |
417 | /* Activate Persistence across Target Power Loss */ | |
418 | int pr_reg_aptpl; | |
419 | int pr_res_holder; | |
420 | int pr_res_type; | |
421 | int pr_res_scope; | |
422 | /* Used for fabric initiator WWPNs using a ISID */ | |
5dd7ed2e | 423 | bool isid_present_at_reg; |
c66ac9db NB |
424 | u32 pr_res_mapped_lun; |
425 | u32 pr_aptpl_target_lun; | |
426 | u32 pr_res_generation; | |
427 | u64 pr_reg_bin_isid; | |
428 | u64 pr_res_key; | |
429 | atomic_t pr_res_holders; | |
430 | struct se_node_acl *pr_reg_nacl; | |
431 | struct se_dev_entry *pr_reg_deve; | |
432 | struct se_lun *pr_reg_tg_pt_lun; | |
433 | struct list_head pr_reg_list; | |
434 | struct list_head pr_reg_abort_list; | |
435 | struct list_head pr_reg_aptpl_list; | |
436 | struct list_head pr_reg_atp_list; | |
437 | struct list_head pr_reg_atp_mem_list; | |
e0a53e70 | 438 | }; |
c66ac9db NB |
439 | |
440 | /* | |
441 | * This set of function pointer ops is set based upon SPC3_PERSISTENT_RESERVATIONS, | |
442 | * SPC2_RESERVATIONS or SPC_PASSTHROUGH in drivers/target/target_core_pr.c: | |
443 | * core_setup_reservations() | |
444 | */ | |
445 | struct t10_reservation_ops { | |
446 | int (*t10_reservation_check)(struct se_cmd *, u32 *); | |
447 | int (*t10_seq_non_holder)(struct se_cmd *, unsigned char *, u32); | |
448 | int (*t10_pr_register)(struct se_cmd *); | |
449 | int (*t10_pr_clear)(struct se_cmd *); | |
450 | }; | |
451 | ||
e3d6f909 | 452 | struct t10_reservation { |
c66ac9db NB |
453 | /* Reservation effects all target ports */ |
454 | int pr_all_tg_pt; | |
455 | /* Activate Persistence across Target Power Loss enabled | |
456 | * for SCSI device */ | |
457 | int pr_aptpl_active; | |
e3d6f909 | 458 | /* Used by struct t10_reservation->pr_aptpl_buf_len */ |
c66ac9db NB |
459 | #define PR_APTPL_BUF_LEN 8192 |
460 | u32 pr_aptpl_buf_len; | |
461 | u32 pr_generation; | |
462 | t10_reservations_index_t res_type; | |
463 | spinlock_t registration_lock; | |
464 | spinlock_t aptpl_reg_lock; | |
465 | /* | |
466 | * This will always be set by one individual I_T Nexus. | |
467 | * However with all_tg_pt=1, other I_T Nexus from the | |
468 | * same initiator can access PR reg/res info on a different | |
469 | * target port. | |
470 | * | |
471 | * There is also the 'All Registrants' case, where there is | |
472 | * a single *pr_res_holder of the reservation, but all | |
473 | * registrations are considered reservation holders. | |
474 | */ | |
475 | struct se_node_acl *pr_res_holder; | |
476 | struct list_head registration_list; | |
477 | struct list_head aptpl_reg_list; | |
478 | struct t10_reservation_ops pr_ops; | |
e0a53e70 | 479 | }; |
c66ac9db | 480 | |
c66ac9db NB |
481 | struct se_queue_obj { |
482 | atomic_t queue_cnt; | |
483 | spinlock_t cmd_queue_lock; | |
484 | struct list_head qobj_list; | |
485 | wait_queue_head_t thread_wq; | |
e0a53e70 | 486 | }; |
c66ac9db | 487 | |
c66ac9db | 488 | struct se_task { |
c66ac9db | 489 | unsigned long long task_lba; |
3189b067 CH |
490 | u32 task_sectors; |
491 | u32 task_size; | |
492 | struct se_cmd *task_se_cmd; | |
493 | struct scatterlist *task_sg; | |
3189b067 CH |
494 | u32 task_sg_nents; |
495 | u16 task_flags; | |
3189b067 | 496 | u8 task_scsi_status; |
c66ac9db | 497 | enum dma_data_direction task_data_direction; |
3189b067 CH |
498 | struct list_head t_list; |
499 | struct list_head t_execute_list; | |
500 | struct list_head t_state_list; | |
1880807a | 501 | bool t_state_active; |
3189b067 | 502 | struct completion task_stop_comp; |
e0a53e70 | 503 | }; |
c66ac9db | 504 | |
c8e31f26 AG |
505 | struct se_tmr_req { |
506 | /* Task Management function to be performed */ | |
507 | u8 function; | |
508 | /* Task Management response to send */ | |
509 | u8 response; | |
510 | int call_transport; | |
511 | /* Reference to ITT that Task Mgmt should be performed */ | |
512 | u32 ref_task_tag; | |
513 | /* 64-bit encoded SAM LUN from $FABRIC_MOD TMR header */ | |
514 | u64 ref_task_lun; | |
515 | void *fabric_tmr_ptr; | |
516 | struct se_cmd *task_cmd; | |
517 | struct se_cmd *ref_cmd; | |
518 | struct se_device *tmr_dev; | |
519 | struct se_lun *tmr_lun; | |
520 | struct list_head tmr_list; | |
521 | }; | |
522 | ||
c66ac9db NB |
523 | struct se_cmd { |
524 | /* SAM response code being sent to initiator */ | |
525 | u8 scsi_status; | |
526 | u8 scsi_asc; | |
527 | u8 scsi_ascq; | |
528 | u8 scsi_sense_reason; | |
529 | u16 scsi_sense_length; | |
530 | /* Delay for ALUA Active/NonOptimized state access in milliseconds */ | |
531 | int alua_nonop_delay; | |
532 | /* See include/linux/dma-mapping.h */ | |
533 | enum dma_data_direction data_direction; | |
534 | /* For SAM Task Attribute */ | |
535 | int sam_task_attr; | |
536 | /* Transport protocol dependent state, see transport_state_table */ | |
537 | enum transport_state_table t_state; | |
a17f091d | 538 | /* Used to signal cmd->se_tfo->check_release_cmd() usage per cmd */ |
5f655e8d BVA |
539 | unsigned check_release:1; |
540 | unsigned cmd_wait_set:1; | |
c66ac9db NB |
541 | /* See se_cmd_flags_table */ |
542 | u32 se_cmd_flags; | |
543 | u32 se_ordered_id; | |
544 | /* Total size in bytes associated with command */ | |
545 | u32 data_length; | |
546 | /* SCSI Presented Data Transfer Length */ | |
547 | u32 cmd_spdtl; | |
548 | u32 residual_count; | |
549 | u32 orig_fe_lun; | |
550 | /* Persistent Reservation key */ | |
551 | u64 pr_res_key; | |
c66ac9db NB |
552 | /* Used for sense data */ |
553 | void *sense_buffer; | |
5951146d | 554 | struct list_head se_delayed_node; |
5951146d | 555 | struct list_head se_lun_node; |
07bde79a | 556 | struct list_head se_qf_node; |
c66ac9db NB |
557 | struct se_device *se_dev; |
558 | struct se_dev_entry *se_deve; | |
c66ac9db NB |
559 | struct se_lun *se_lun; |
560 | /* Only used for internal passthrough and legacy TCM fabric modules */ | |
561 | struct se_session *se_sess; | |
562 | struct se_tmr_req *se_tmr_req; | |
5951146d | 563 | struct list_head se_queue_node; |
a17f091d NB |
564 | struct list_head se_cmd_list; |
565 | struct completion cmd_wait_comp; | |
7481deb4 | 566 | struct kref cmd_kref; |
c66ac9db | 567 | struct target_core_fabric_ops *se_tfo; |
e76a35d6 | 568 | int (*execute_task)(struct se_task *); |
c66ac9db | 569 | void (*transport_complete_callback)(struct se_cmd *); |
07bde79a | 570 | |
a1d8b49a AG |
571 | unsigned char *t_task_cdb; |
572 | unsigned char __t_task_cdb[TCM_MAX_COMMAND_SIZE]; | |
573 | unsigned long long t_task_lba; | |
a1d8b49a AG |
574 | u32 t_tasks_sg_chained_no; |
575 | atomic_t t_fe_count; | |
576 | atomic_t t_se_count; | |
577 | atomic_t t_task_cdbs_left; | |
578 | atomic_t t_task_cdbs_ex_left; | |
a1d8b49a | 579 | atomic_t t_task_cdbs_sent; |
7d680f3b CH |
580 | unsigned int transport_state; |
581 | #define CMD_T_ABORTED (1 << 0) | |
582 | #define CMD_T_ACTIVE (1 << 1) | |
583 | #define CMD_T_COMPLETE (1 << 2) | |
584 | #define CMD_T_QUEUED (1 << 3) | |
585 | #define CMD_T_SENT (1 << 4) | |
586 | #define CMD_T_STOP (1 << 5) | |
587 | #define CMD_T_FAILED (1 << 6) | |
588 | #define CMD_T_LUN_STOP (1 << 7) | |
589 | #define CMD_T_LUN_FE_STOP (1 << 8) | |
590 | #define CMD_T_DEV_ACTIVE (1 << 9) | |
a1d8b49a AG |
591 | spinlock_t t_state_lock; |
592 | struct completion t_transport_stop_comp; | |
593 | struct completion transport_lun_fe_stop_comp; | |
594 | struct completion transport_lun_stop_comp; | |
595 | struct scatterlist *t_tasks_sg_chained; | |
05d1c7c0 | 596 | |
35e0e757 CH |
597 | struct work_struct work; |
598 | ||
ec98f782 AG |
599 | struct scatterlist *t_data_sg; |
600 | unsigned int t_data_nents; | |
4949314c | 601 | void *t_data_vmap; |
ec98f782 AG |
602 | struct scatterlist *t_bidi_data_sg; |
603 | unsigned int t_bidi_data_nents; | |
604 | ||
a1d8b49a | 605 | /* Used for BIDI READ */ |
a1d8b49a AG |
606 | struct list_head t_task_list; |
607 | u32 t_task_list_num; | |
608 | ||
e0a53e70 | 609 | }; |
c66ac9db | 610 | |
c66ac9db NB |
611 | struct se_ua { |
612 | u8 ua_asc; | |
613 | u8 ua_ascq; | |
614 | struct se_node_acl *ua_nacl; | |
615 | struct list_head ua_dev_list; | |
616 | struct list_head ua_nacl_list; | |
e0a53e70 | 617 | }; |
c66ac9db NB |
618 | |
619 | struct se_node_acl { | |
620 | char initiatorname[TRANSPORT_IQN_LEN]; | |
621 | /* Used to signal demo mode created ACL, disabled by default */ | |
5dd7ed2e | 622 | bool dynamic_node_acl; |
337c0607 | 623 | bool acl_stop:1; |
c66ac9db NB |
624 | u32 queue_depth; |
625 | u32 acl_index; | |
626 | u64 num_cmds; | |
627 | u64 read_bytes; | |
628 | u64 write_bytes; | |
629 | spinlock_t stats_lock; | |
630 | /* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */ | |
631 | atomic_t acl_pr_ref_count; | |
c66ac9db NB |
632 | struct se_dev_entry *device_list; |
633 | struct se_session *nacl_sess; | |
634 | struct se_portal_group *se_tpg; | |
635 | spinlock_t device_list_lock; | |
636 | spinlock_t nacl_sess_lock; | |
637 | struct config_group acl_group; | |
638 | struct config_group acl_attrib_group; | |
639 | struct config_group acl_auth_group; | |
640 | struct config_group acl_param_group; | |
12d23384 NB |
641 | struct config_group acl_fabric_stat_group; |
642 | struct config_group *acl_default_groups[5]; | |
c66ac9db NB |
643 | struct list_head acl_list; |
644 | struct list_head acl_sess_list; | |
01468346 | 645 | struct completion acl_free_comp; |
afb999ff | 646 | struct kref acl_kref; |
e0a53e70 | 647 | }; |
c66ac9db NB |
648 | |
649 | struct se_session { | |
5f655e8d | 650 | unsigned sess_tearing_down:1; |
c66ac9db NB |
651 | u64 sess_bin_isid; |
652 | struct se_node_acl *se_node_acl; | |
653 | struct se_portal_group *se_tpg; | |
654 | void *fabric_sess_ptr; | |
655 | struct list_head sess_list; | |
656 | struct list_head sess_acl_list; | |
a17f091d NB |
657 | struct list_head sess_cmd_list; |
658 | struct list_head sess_wait_list; | |
659 | spinlock_t sess_cmd_lock; | |
41ac82b6 | 660 | struct kref sess_kref; |
e0a53e70 | 661 | }; |
c66ac9db | 662 | |
c66ac9db NB |
663 | struct se_device; |
664 | struct se_transform_info; | |
665 | struct scatterlist; | |
666 | ||
12d23384 NB |
667 | struct se_ml_stat_grps { |
668 | struct config_group stat_group; | |
669 | struct config_group scsi_auth_intr_group; | |
670 | struct config_group scsi_att_intr_port_group; | |
671 | }; | |
672 | ||
c66ac9db NB |
673 | struct se_lun_acl { |
674 | char initiatorname[TRANSPORT_IQN_LEN]; | |
675 | u32 mapped_lun; | |
676 | struct se_node_acl *se_lun_nacl; | |
677 | struct se_lun *se_lun; | |
678 | struct list_head lacl_list; | |
679 | struct config_group se_lun_group; | |
12d23384 | 680 | struct se_ml_stat_grps ml_stat_grps; |
e0a53e70 | 681 | }; |
c66ac9db NB |
682 | |
683 | struct se_dev_entry { | |
5dd7ed2e | 684 | bool def_pr_registered; |
c66ac9db NB |
685 | /* See transport_lunflags_table */ |
686 | u32 lun_flags; | |
687 | u32 deve_cmds; | |
688 | u32 mapped_lun; | |
689 | u32 average_bytes; | |
690 | u32 last_byte_count; | |
691 | u32 total_cmds; | |
692 | u32 total_bytes; | |
693 | u64 pr_res_key; | |
694 | u64 creation_time; | |
695 | u32 attach_count; | |
696 | u64 read_bytes; | |
697 | u64 write_bytes; | |
698 | atomic_t ua_count; | |
699 | /* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */ | |
700 | atomic_t pr_ref_count; | |
701 | struct se_lun_acl *se_lun_acl; | |
702 | spinlock_t ua_lock; | |
703 | struct se_lun *se_lun; | |
704 | struct list_head alua_port_list; | |
705 | struct list_head ua_list; | |
e0a53e70 | 706 | }; |
c66ac9db NB |
707 | |
708 | struct se_dev_limits { | |
709 | /* Max supported HW queue depth */ | |
710 | u32 hw_queue_depth; | |
711 | /* Max supported virtual queue depth */ | |
712 | u32 queue_depth; | |
713 | /* From include/linux/blkdev.h for the other HW/SW limits. */ | |
714 | struct queue_limits limits; | |
e0a53e70 | 715 | }; |
c66ac9db NB |
716 | |
717 | struct se_dev_attrib { | |
718 | int emulate_dpo; | |
719 | int emulate_fua_write; | |
720 | int emulate_fua_read; | |
721 | int emulate_write_cache; | |
722 | int emulate_ua_intlck_ctrl; | |
723 | int emulate_tas; | |
724 | int emulate_tpu; | |
725 | int emulate_tpws; | |
726 | int emulate_reservations; | |
727 | int emulate_alua; | |
728 | int enforce_pr_isids; | |
e22a7f07 | 729 | int is_nonrot; |
5de619a3 | 730 | int emulate_rest_reord; |
c66ac9db NB |
731 | u32 hw_block_size; |
732 | u32 block_size; | |
733 | u32 hw_max_sectors; | |
734 | u32 max_sectors; | |
015487b8 | 735 | u32 fabric_max_sectors; |
c66ac9db NB |
736 | u32 optimal_sectors; |
737 | u32 hw_queue_depth; | |
738 | u32 queue_depth; | |
c66ac9db NB |
739 | u32 max_unmap_lba_count; |
740 | u32 max_unmap_block_desc_count; | |
741 | u32 unmap_granularity; | |
742 | u32 unmap_granularity_alignment; | |
743 | struct se_subsystem_dev *da_sub_dev; | |
744 | struct config_group da_group; | |
e0a53e70 | 745 | }; |
c66ac9db | 746 | |
12d23384 NB |
747 | struct se_dev_stat_grps { |
748 | struct config_group stat_group; | |
749 | struct config_group scsi_dev_group; | |
750 | struct config_group scsi_tgt_dev_group; | |
751 | struct config_group scsi_lu_group; | |
752 | }; | |
753 | ||
c66ac9db NB |
754 | struct se_subsystem_dev { |
755 | /* Used for struct se_subsystem_dev-->se_dev_alias, must be less than PAGE_SIZE */ | |
756 | #define SE_DEV_ALIAS_LEN 512 | |
757 | unsigned char se_dev_alias[SE_DEV_ALIAS_LEN]; | |
758 | /* Used for struct se_subsystem_dev->se_dev_udev_path[], must be less than PAGE_SIZE */ | |
759 | #define SE_UDEV_PATH_LEN 512 | |
760 | unsigned char se_dev_udev_path[SE_UDEV_PATH_LEN]; | |
761 | u32 su_dev_flags; | |
762 | struct se_hba *se_dev_hba; | |
763 | struct se_device *se_dev_ptr; | |
764 | struct se_dev_attrib se_dev_attrib; | |
765 | /* T10 Asymmetric Logical Unit Assignment for Target Ports */ | |
766 | struct t10_alua t10_alua; | |
767 | /* T10 Inquiry and VPD WWN Information */ | |
768 | struct t10_wwn t10_wwn; | |
769 | /* T10 SPC-2 + SPC-3 Reservations */ | |
e3d6f909 | 770 | struct t10_reservation t10_pr; |
c66ac9db NB |
771 | spinlock_t se_dev_lock; |
772 | void *se_dev_su_ptr; | |
c66ac9db NB |
773 | struct config_group se_dev_group; |
774 | /* For T10 Reservations */ | |
775 | struct config_group se_dev_pr_group; | |
12d23384 NB |
776 | /* For target_core_stat.c groups */ |
777 | struct se_dev_stat_grps dev_stat_grps; | |
e0a53e70 | 778 | }; |
c66ac9db | 779 | |
c66ac9db | 780 | struct se_device { |
c66ac9db NB |
781 | /* RELATIVE TARGET PORT IDENTIFER Counter */ |
782 | u16 dev_rpti_counter; | |
783 | /* Used for SAM Task Attribute ordering */ | |
784 | u32 dev_cur_ordered_id; | |
785 | u32 dev_flags; | |
786 | u32 dev_port_count; | |
787 | /* See transport_device_status_table */ | |
788 | u32 dev_status; | |
c66ac9db NB |
789 | /* Physical device queue depth */ |
790 | u32 queue_depth; | |
791 | /* Used for SPC-2 reservations enforce of ISIDs */ | |
792 | u64 dev_res_bin_isid; | |
793 | t10_task_attr_index_t dev_task_attr_type; | |
794 | /* Pointer to transport specific device structure */ | |
795 | void *dev_ptr; | |
796 | u32 dev_index; | |
797 | u64 creation_time; | |
798 | u32 num_resets; | |
799 | u64 num_cmds; | |
800 | u64 read_bytes; | |
801 | u64 write_bytes; | |
802 | spinlock_t stats_lock; | |
803 | /* Active commands on this virtual SE device */ | |
c66ac9db | 804 | atomic_t simple_cmds; |
c66ac9db | 805 | atomic_t dev_ordered_id; |
c66ac9db | 806 | atomic_t execute_tasks; |
c66ac9db | 807 | atomic_t dev_ordered_sync; |
07bde79a | 808 | atomic_t dev_qf_count; |
c66ac9db NB |
809 | struct se_obj dev_obj; |
810 | struct se_obj dev_access_obj; | |
811 | struct se_obj dev_export_obj; | |
e3d6f909 | 812 | struct se_queue_obj dev_queue_obj; |
c66ac9db | 813 | spinlock_t delayed_cmd_lock; |
c66ac9db | 814 | spinlock_t execute_task_lock; |
c66ac9db | 815 | spinlock_t dev_reservation_lock; |
c66ac9db | 816 | spinlock_t dev_status_lock; |
c66ac9db NB |
817 | spinlock_t se_port_lock; |
818 | spinlock_t se_tmr_lock; | |
07bde79a | 819 | spinlock_t qf_cmd_lock; |
c66ac9db NB |
820 | /* Used for legacy SPC-2 reservationsa */ |
821 | struct se_node_acl *dev_reserved_node_acl; | |
822 | /* Used for ALUA Logical Unit Group membership */ | |
823 | struct t10_alua_lu_gp_member *dev_alua_lu_gp_mem; | |
824 | /* Used for SPC-3 Persistent Reservations */ | |
825 | struct t10_pr_registration *dev_pr_res_holder; | |
826 | struct list_head dev_sep_list; | |
827 | struct list_head dev_tmr_list; | |
c66ac9db NB |
828 | /* Pointer to descriptor for processing thread */ |
829 | struct task_struct *process_thread; | |
07bde79a | 830 | struct work_struct qf_work_queue; |
c66ac9db | 831 | struct list_head delayed_cmd_list; |
c66ac9db NB |
832 | struct list_head execute_task_list; |
833 | struct list_head state_task_list; | |
07bde79a | 834 | struct list_head qf_cmd_list; |
c66ac9db NB |
835 | /* Pointer to associated SE HBA */ |
836 | struct se_hba *se_hba; | |
837 | struct se_subsystem_dev *se_sub_dev; | |
838 | /* Pointer to template of function pointers for transport */ | |
839 | struct se_subsystem_api *transport; | |
840 | /* Linked list for struct se_hba struct se_device list */ | |
841 | struct list_head dev_list; | |
e0a53e70 | 842 | }; |
c66ac9db | 843 | |
c66ac9db NB |
844 | struct se_hba { |
845 | u16 hba_tpgt; | |
846 | u32 hba_id; | |
847 | /* See hba_flags_table */ | |
848 | u32 hba_flags; | |
849 | /* Virtual iSCSI devices attached. */ | |
850 | u32 dev_count; | |
851 | u32 hba_index; | |
c66ac9db NB |
852 | /* Pointer to transport specific host structure. */ |
853 | void *hba_ptr; | |
854 | /* Linked list for struct se_device */ | |
855 | struct list_head hba_dev_list; | |
e3d6f909 | 856 | struct list_head hba_node; |
c66ac9db | 857 | spinlock_t device_lock; |
c66ac9db NB |
858 | struct config_group hba_group; |
859 | struct mutex hba_access_mutex; | |
860 | struct se_subsystem_api *transport; | |
e0a53e70 | 861 | }; |
c66ac9db | 862 | |
12d23384 NB |
863 | struct se_port_stat_grps { |
864 | struct config_group stat_group; | |
865 | struct config_group scsi_port_group; | |
866 | struct config_group scsi_tgt_port_group; | |
867 | struct config_group scsi_transport_group; | |
868 | }; | |
869 | ||
c66ac9db NB |
870 | struct se_lun { |
871 | /* See transport_lun_status_table */ | |
872 | enum transport_lun_status_table lun_status; | |
873 | u32 lun_access; | |
874 | u32 lun_flags; | |
875 | u32 unpacked_lun; | |
876 | atomic_t lun_acl_count; | |
877 | spinlock_t lun_acl_lock; | |
878 | spinlock_t lun_cmd_lock; | |
879 | spinlock_t lun_sep_lock; | |
880 | struct completion lun_shutdown_comp; | |
881 | struct list_head lun_cmd_list; | |
882 | struct list_head lun_acl_list; | |
883 | struct se_device *lun_se_dev; | |
12d23384 | 884 | struct se_port *lun_sep; |
c66ac9db | 885 | struct config_group lun_group; |
12d23384 | 886 | struct se_port_stat_grps port_stat_grps; |
e0a53e70 | 887 | }; |
c66ac9db | 888 | |
e89d15ee NB |
889 | struct scsi_port_stats { |
890 | u64 cmd_pdus; | |
891 | u64 tx_data_octets; | |
892 | u64 rx_data_octets; | |
e0a53e70 | 893 | }; |
e89d15ee | 894 | |
c66ac9db NB |
895 | struct se_port { |
896 | /* RELATIVE TARGET PORT IDENTIFER */ | |
897 | u16 sep_rtpi; | |
898 | int sep_tg_pt_secondary_stat; | |
899 | int sep_tg_pt_secondary_write_md; | |
900 | u32 sep_index; | |
901 | struct scsi_port_stats sep_stats; | |
902 | /* Used for ALUA Target Port Groups membership */ | |
c66ac9db NB |
903 | atomic_t sep_tg_pt_secondary_offline; |
904 | /* Used for PR ALL_TG_PT=1 */ | |
905 | atomic_t sep_tg_pt_ref_cnt; | |
906 | spinlock_t sep_alua_lock; | |
907 | struct mutex sep_tg_pt_md_mutex; | |
908 | struct t10_alua_tg_pt_gp_member *sep_alua_tg_pt_gp_mem; | |
909 | struct se_lun *sep_lun; | |
910 | struct se_portal_group *sep_tpg; | |
911 | struct list_head sep_alua_list; | |
912 | struct list_head sep_list; | |
e0a53e70 | 913 | }; |
c66ac9db NB |
914 | |
915 | struct se_tpg_np { | |
1f6fe7cb | 916 | struct se_portal_group *tpg_np_parent; |
c66ac9db | 917 | struct config_group tpg_np_group; |
e0a53e70 | 918 | }; |
c66ac9db NB |
919 | |
920 | struct se_portal_group { | |
921 | /* Type of target portal group, see transport_tpg_type_table */ | |
922 | enum transport_tpg_type_table se_tpg_type; | |
923 | /* Number of ACLed Initiator Nodes for this TPG */ | |
924 | u32 num_node_acls; | |
925 | /* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */ | |
926 | atomic_t tpg_pr_ref_count; | |
927 | /* Spinlock for adding/removing ACLed Nodes */ | |
928 | spinlock_t acl_node_lock; | |
929 | /* Spinlock for adding/removing sessions */ | |
930 | spinlock_t session_lock; | |
931 | spinlock_t tpg_lun_lock; | |
932 | /* Pointer to $FABRIC_MOD portal group */ | |
933 | void *se_tpg_fabric_ptr; | |
e3d6f909 | 934 | struct list_head se_tpg_node; |
c66ac9db NB |
935 | /* linked list for initiator ACL list */ |
936 | struct list_head acl_node_list; | |
937 | struct se_lun *tpg_lun_list; | |
938 | struct se_lun tpg_virt_lun0; | |
25985edc | 939 | /* List of TCM sessions associated wth this TPG */ |
c66ac9db NB |
940 | struct list_head tpg_sess_list; |
941 | /* Pointer to $FABRIC_MOD dependent code */ | |
942 | struct target_core_fabric_ops *se_tpg_tfo; | |
943 | struct se_wwn *se_tpg_wwn; | |
944 | struct config_group tpg_group; | |
945 | struct config_group *tpg_default_groups[6]; | |
946 | struct config_group tpg_lun_group; | |
947 | struct config_group tpg_np_group; | |
948 | struct config_group tpg_acl_group; | |
949 | struct config_group tpg_attrib_group; | |
950 | struct config_group tpg_param_group; | |
e0a53e70 | 951 | }; |
c66ac9db | 952 | |
c66ac9db NB |
953 | struct se_wwn { |
954 | struct target_fabric_configfs *wwn_tf; | |
955 | struct config_group wwn_group; | |
12d23384 NB |
956 | struct config_group *wwn_default_groups[2]; |
957 | struct config_group fabric_stat_group; | |
e0a53e70 | 958 | }; |
c66ac9db | 959 | |
c66ac9db | 960 | #endif /* TARGET_CORE_BASE_H */ |