Commit | Line | Data |
---|---|---|
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> | |
c0add7fd | 8 | #include <linux/percpu_ida.h> |
c66ac9db NB |
9 | #include <net/sock.h> |
10 | #include <net/tcp.h> | |
c66ac9db | 11 | |
2999ee7f | 12 | #define TARGET_CORE_MOD_VERSION "v4.1.0" |
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 | /* | |
8d3a8248 BVA |
19 | * Maximum size of a CDB that can be stored in se_cmd without allocating |
20 | * memory dynamically for the CDB. | |
c66ac9db NB |
21 | */ |
22 | #define TCM_MAX_COMMAND_SIZE 32 | |
23 | /* | |
24 | * From include/scsi/scsi_cmnd.h:SCSI_SENSE_BUFFERSIZE, currently | |
25 | * defined 96, but the real limit is 252 (or 260 including the header) | |
26 | */ | |
ba929992 | 27 | #define TRANSPORT_SENSE_BUFFER 96 |
c66ac9db NB |
28 | /* Used by transport_send_check_condition_and_sense() */ |
29 | #define SPC_SENSE_KEY_OFFSET 2 | |
895f3022 | 30 | #define SPC_ADD_SENSE_LEN_OFFSET 7 |
76736db3 SG |
31 | #define SPC_DESC_TYPE_OFFSET 8 |
32 | #define SPC_ADDITIONAL_DESC_LEN_OFFSET 9 | |
33 | #define SPC_VALIDITY_OFFSET 10 | |
c66ac9db NB |
34 | #define SPC_ASC_KEY_OFFSET 12 |
35 | #define SPC_ASCQ_KEY_OFFSET 13 | |
36 | #define TRANSPORT_IQN_LEN 224 | |
37 | /* Used by target_core_store_alua_lu_gp() and target_core_alua_lu_gp_show_attr_members() */ | |
38 | #define LU_GROUP_NAME_BUF 256 | |
39 | /* Used by core_alua_store_tg_pt_gp_info() and target_core_alua_tg_pt_gp_show_attr_members() */ | |
40 | #define TG_PT_GROUP_NAME_BUF 256 | |
41 | /* Used to parse VPD into struct t10_vpd */ | |
703d641d | 42 | #define VPD_TMP_BUF_SIZE 254 |
c66ac9db NB |
43 | /* Used by transport_generic_cmd_sequencer() */ |
44 | #define READ_BLOCK_LEN 6 | |
45 | #define READ_CAP_LEN 8 | |
46 | #define READ_POSITION_LEN 20 | |
47 | #define INQUIRY_LEN 36 | |
48 | /* Used by transport_get_inquiry_vpd_serial() */ | |
49 | #define INQUIRY_VPD_SERIAL_LEN 254 | |
50 | /* Used by transport_get_inquiry_vpd_device_ident() */ | |
51 | #define INQUIRY_VPD_DEVICE_IDENTIFIER_LEN 254 | |
52 | ||
c4795fb2 CH |
53 | /* Attempts before moving from SHORT to LONG */ |
54 | #define PYX_TRANSPORT_WINDOW_CLOSED_THRESHOLD 3 | |
55 | #define PYX_TRANSPORT_WINDOW_CLOSED_WAIT_SHORT 3 /* In milliseconds */ | |
56 | #define PYX_TRANSPORT_WINDOW_CLOSED_WAIT_LONG 10 /* In milliseconds */ | |
57 | ||
58 | #define PYX_TRANSPORT_STATUS_INTERVAL 5 /* In seconds */ | |
59 | ||
c4795fb2 CH |
60 | /* struct se_dev_attrib sanity values */ |
61 | /* Default max_unmap_lba_count */ | |
62 | #define DA_MAX_UNMAP_LBA_COUNT 0 | |
63 | /* Default max_unmap_block_desc_count */ | |
64 | #define DA_MAX_UNMAP_BLOCK_DESC_COUNT 0 | |
65 | /* Default unmap_granularity */ | |
66 | #define DA_UNMAP_GRANULARITY_DEFAULT 0 | |
67 | /* Default unmap_granularity_alignment */ | |
68 | #define DA_UNMAP_GRANULARITY_ALIGNMENT_DEFAULT 0 | |
773cbaf7 NB |
69 | /* Default max_write_same_len, disabled by default */ |
70 | #define DA_MAX_WRITE_SAME_LEN 0 | |
adfa9570 TB |
71 | /* Use a model alias based on the configfs backend device name */ |
72 | #define DA_EMULATE_MODEL_ALIAS 0 | |
c4795fb2 CH |
73 | /* Emulation for Direct Page Out */ |
74 | #define DA_EMULATE_DPO 0 | |
75 | /* Emulation for Forced Unit Access WRITEs */ | |
76 | #define DA_EMULATE_FUA_WRITE 1 | |
77 | /* Emulation for Forced Unit Access READs */ | |
78 | #define DA_EMULATE_FUA_READ 0 | |
79 | /* Emulation for WriteCache and SYNCHRONIZE_CACHE */ | |
80 | #define DA_EMULATE_WRITE_CACHE 0 | |
81 | /* Emulation for UNIT ATTENTION Interlock Control */ | |
82 | #define DA_EMULATE_UA_INTLLCK_CTRL 0 | |
83 | /* Emulation for TASK_ABORTED status (TAS) by default */ | |
84 | #define DA_EMULATE_TAS 1 | |
85 | /* Emulation for Thin Provisioning UNMAP using block/blk-lib.c:blkdev_issue_discard() */ | |
86 | #define DA_EMULATE_TPU 0 | |
87 | /* | |
88 | * Emulation for Thin Provisioning WRITE_SAME w/ UNMAP=1 bit using | |
89 | * block/blk-lib.c:blkdev_issue_discard() | |
90 | */ | |
91 | #define DA_EMULATE_TPWS 0 | |
0123a9ec NB |
92 | /* Emulation for CompareAndWrite (AtomicTestandSet) by default */ |
93 | #define DA_EMULATE_CAW 1 | |
d397a445 NB |
94 | /* Emulation for 3rd Party Copy (ExtendedCopy) by default */ |
95 | #define DA_EMULATE_3PC 1 | |
c4795fb2 | 96 | /* No Emulation for PSCSI by default */ |
c4795fb2 CH |
97 | #define DA_EMULATE_ALUA 0 |
98 | /* Enforce SCSI Initiator Port TransportID with 'ISID' for PR */ | |
99 | #define DA_ENFORCE_PR_ISIDS 1 | |
92404e60 NB |
100 | /* Force SPC-3 PR Activate Persistence across Target Power Loss */ |
101 | #define DA_FORCE_PR_APTPL 0 | |
c4795fb2 CH |
102 | #define DA_STATUS_MAX_SECTORS_MIN 16 |
103 | #define DA_STATUS_MAX_SECTORS_MAX 8192 | |
104 | /* By default don't report non-rotating (solid state) medium */ | |
105 | #define DA_IS_NONROT 0 | |
106 | /* Queue Algorithm Modifier default for restricted reordering in control mode page */ | |
107 | #define DA_EMULATE_REST_REORD 0 | |
108 | ||
f82f320e | 109 | #define SE_INQUIRY_BUF 1024 |
c4795fb2 | 110 | #define SE_MODE_PAGE_BUF 512 |
32a8811f | 111 | #define SE_SENSE_BUF 96 |
c4795fb2 | 112 | |
c66ac9db NB |
113 | /* struct se_hba->hba_flags */ |
114 | enum hba_flags_table { | |
115 | HBA_FLAGS_INTERNAL_USE = 0x01, | |
116 | HBA_FLAGS_PSCSI_MODE = 0x02, | |
117 | }; | |
118 | ||
119 | /* struct se_lun->lun_status */ | |
120 | enum transport_lun_status_table { | |
121 | TRANSPORT_LUN_STATUS_FREE = 0, | |
122 | TRANSPORT_LUN_STATUS_ACTIVE = 1, | |
123 | }; | |
124 | ||
125 | /* struct se_portal_group->se_tpg_type */ | |
126 | enum transport_tpg_type_table { | |
127 | TRANSPORT_TPG_TYPE_NORMAL = 0, | |
128 | TRANSPORT_TPG_TYPE_DISCOVERY = 1, | |
129 | }; | |
130 | ||
c66ac9db NB |
131 | /* Special transport agnostic struct se_cmd->t_states */ |
132 | enum transport_state_table { | |
133 | TRANSPORT_NO_STATE = 0, | |
134 | TRANSPORT_NEW_CMD = 1, | |
c66ac9db | 135 | TRANSPORT_WRITE_PENDING = 3, |
c66ac9db | 136 | TRANSPORT_PROCESSING = 5, |
35e0e757 | 137 | TRANSPORT_COMPLETE = 6, |
c66ac9db | 138 | TRANSPORT_ISTATE_PROCESSING = 11, |
07bde79a | 139 | TRANSPORT_COMPLETE_QF_WP = 18, |
e057f533 | 140 | TRANSPORT_COMPLETE_QF_OK = 19, |
c66ac9db NB |
141 | }; |
142 | ||
143 | /* Used for struct se_cmd->se_cmd_flags */ | |
144 | enum se_cmd_flags_table { | |
145 | SCF_SUPPORTED_SAM_OPCODE = 0x00000001, | |
146 | SCF_TRANSPORT_TASK_SENSE = 0x00000002, | |
147 | SCF_EMULATED_TASK_SENSE = 0x00000004, | |
64f1db38 CH |
148 | SCF_SCSI_DATA_CDB = 0x00000008, |
149 | SCF_SCSI_TMR_CDB = 0x00000010, | |
64f1db38 CH |
150 | SCF_FUA = 0x00000080, |
151 | SCF_SE_LUN_CMD = 0x00000100, | |
64f1db38 CH |
152 | SCF_BIDI = 0x00000400, |
153 | SCF_SENT_CHECK_CONDITION = 0x00000800, | |
154 | SCF_OVERFLOW_BIT = 0x00001000, | |
155 | SCF_UNDERFLOW_BIT = 0x00002000, | |
68259b5a | 156 | SCF_SEND_DELAYED_TAS = 0x00004000, |
64f1db38 | 157 | SCF_ALUA_NON_OPTIMIZED = 0x00008000, |
64f1db38 | 158 | SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC = 0x00020000, |
a82a9538 NB |
159 | SCF_COMPARE_AND_WRITE = 0x00080000, |
160 | SCF_COMPARE_AND_WRITE_POST = 0x00100000, | |
c66ac9db NB |
161 | }; |
162 | ||
163 | /* struct se_dev_entry->lun_flags and struct se_lun->lun_access */ | |
164 | enum transport_lunflags_table { | |
165 | TRANSPORT_LUNFLAGS_NO_ACCESS = 0x00, | |
166 | TRANSPORT_LUNFLAGS_INITIATOR_ACCESS = 0x01, | |
167 | TRANSPORT_LUNFLAGS_READ_ONLY = 0x02, | |
168 | TRANSPORT_LUNFLAGS_READ_WRITE = 0x04, | |
169 | }; | |
170 | ||
c66ac9db | 171 | /* |
de103c93 | 172 | * Used by transport_send_check_condition_and_sense() |
c66ac9db NB |
173 | * to signal which ASC/ASCQ sense payload should be built. |
174 | */ | |
de103c93 CH |
175 | typedef unsigned __bitwise__ sense_reason_t; |
176 | ||
c66ac9db | 177 | enum tcm_sense_reason_table { |
de103c93 | 178 | #define R(x) (__force sense_reason_t )(x) |
ba829137 | 179 | TCM_NO_SENSE = R(0x00), |
de103c93 CH |
180 | TCM_NON_EXISTENT_LUN = R(0x01), |
181 | TCM_UNSUPPORTED_SCSI_OPCODE = R(0x02), | |
182 | TCM_INCORRECT_AMOUNT_OF_DATA = R(0x03), | |
183 | TCM_UNEXPECTED_UNSOLICITED_DATA = R(0x04), | |
184 | TCM_SERVICE_CRC_ERROR = R(0x05), | |
185 | TCM_SNACK_REJECTED = R(0x06), | |
186 | TCM_SECTOR_COUNT_TOO_MANY = R(0x07), | |
187 | TCM_INVALID_CDB_FIELD = R(0x08), | |
188 | TCM_INVALID_PARAMETER_LIST = R(0x09), | |
189 | TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE = R(0x0a), | |
190 | TCM_UNKNOWN_MODE_PAGE = R(0x0b), | |
191 | TCM_WRITE_PROTECTED = R(0x0c), | |
192 | TCM_CHECK_CONDITION_ABORT_CMD = R(0x0d), | |
193 | TCM_CHECK_CONDITION_UNIT_ATTENTION = R(0x0e), | |
194 | TCM_CHECK_CONDITION_NOT_READY = R(0x0f), | |
195 | TCM_RESERVATION_CONFLICT = R(0x10), | |
196 | TCM_ADDRESS_OUT_OF_RANGE = R(0x11), | |
197 | TCM_OUT_OF_RESOURCES = R(0x12), | |
bb992e72 | 198 | TCM_PARAMETER_LIST_LENGTH_ERROR = R(0x13), |
818b571c | 199 | TCM_MISCOMPARE_VERIFY = R(0x14), |
fcc4f17b NB |
200 | TCM_LOGICAL_BLOCK_GUARD_CHECK_FAILED = R(0x15), |
201 | TCM_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED = R(0x16), | |
202 | TCM_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED = R(0x17), | |
de103c93 | 203 | #undef R |
c66ac9db NB |
204 | }; |
205 | ||
a6360785 NB |
206 | enum target_sc_flags_table { |
207 | TARGET_SCF_BIDI_OP = 0x01, | |
208 | TARGET_SCF_ACK_KREF = 0x02, | |
b0d79946 | 209 | TARGET_SCF_UNKNOWN_SIZE = 0x04, |
a6360785 NB |
210 | }; |
211 | ||
c4795fb2 CH |
212 | /* fabric independent task management function values */ |
213 | enum tcm_tmreq_table { | |
214 | TMR_ABORT_TASK = 1, | |
215 | TMR_ABORT_TASK_SET = 2, | |
216 | TMR_CLEAR_ACA = 3, | |
217 | TMR_CLEAR_TASK_SET = 4, | |
218 | TMR_LUN_RESET = 5, | |
219 | TMR_TARGET_WARM_RESET = 6, | |
220 | TMR_TARGET_COLD_RESET = 7, | |
c4795fb2 CH |
221 | }; |
222 | ||
223 | /* fabric independent task management response values */ | |
224 | enum tcm_tmrsp_table { | |
a314d700 | 225 | TMR_FUNCTION_FAILED = 0, |
11fee8a7 JE |
226 | TMR_FUNCTION_COMPLETE = 1, |
227 | TMR_TASK_DOES_NOT_EXIST = 2, | |
228 | TMR_LUN_DOES_NOT_EXIST = 3, | |
229 | TMR_TASK_MGMT_FUNCTION_NOT_SUPPORTED = 4, | |
230 | TMR_FUNCTION_REJECTED = 5, | |
c4795fb2 CH |
231 | }; |
232 | ||
e89d15ee NB |
233 | /* |
234 | * Used for target SCSI statistics | |
235 | */ | |
236 | typedef enum { | |
237 | SCSI_INST_INDEX, | |
238 | SCSI_DEVICE_INDEX, | |
239 | SCSI_AUTH_INTR_INDEX, | |
240 | SCSI_INDEX_TYPE_MAX | |
241 | } scsi_index_t; | |
242 | ||
c66ac9db NB |
243 | struct se_cmd; |
244 | ||
c66094bf HR |
245 | struct t10_alua_lba_map_member { |
246 | struct list_head lba_map_mem_list; | |
247 | int lba_map_mem_alua_state; | |
248 | int lba_map_mem_alua_pg_id; | |
249 | }; | |
250 | ||
251 | struct t10_alua_lba_map { | |
252 | u64 lba_map_first_lba; | |
253 | u64 lba_map_last_lba; | |
254 | struct list_head lba_map_list; | |
255 | struct list_head lba_map_mem_list; | |
256 | }; | |
257 | ||
c66ac9db | 258 | struct t10_alua { |
c66ac9db NB |
259 | /* ALUA Target Port Group ID */ |
260 | u16 alua_tg_pt_gps_counter; | |
261 | u32 alua_tg_pt_gps_count; | |
c66094bf HR |
262 | /* Referrals support */ |
263 | spinlock_t lba_map_lock; | |
264 | u32 lba_map_segment_size; | |
265 | u32 lba_map_segment_multiplier; | |
266 | struct list_head lba_map_list; | |
c66ac9db | 267 | spinlock_t tg_pt_gps_lock; |
0fd97ccf | 268 | struct se_device *t10_dev; |
c66ac9db NB |
269 | /* Used for default ALUA Target Port Group */ |
270 | struct t10_alua_tg_pt_gp *default_tg_pt_gp; | |
271 | /* Used for default ALUA Target Port Group ConfigFS group */ | |
272 | struct config_group alua_tg_pt_gps_group; | |
c66ac9db | 273 | struct list_head tg_pt_gps_list; |
e0a53e70 | 274 | }; |
c66ac9db NB |
275 | |
276 | struct t10_alua_lu_gp { | |
277 | u16 lu_gp_id; | |
278 | int lu_gp_valid_id; | |
279 | u32 lu_gp_members; | |
c66ac9db NB |
280 | atomic_t lu_gp_ref_cnt; |
281 | spinlock_t lu_gp_lock; | |
282 | struct config_group lu_gp_group; | |
e3d6f909 | 283 | struct list_head lu_gp_node; |
c66ac9db | 284 | struct list_head lu_gp_mem_list; |
e0a53e70 | 285 | }; |
c66ac9db NB |
286 | |
287 | struct t10_alua_lu_gp_member { | |
5dd7ed2e | 288 | bool lu_gp_assoc; |
c66ac9db NB |
289 | atomic_t lu_gp_mem_ref_cnt; |
290 | spinlock_t lu_gp_mem_lock; | |
291 | struct t10_alua_lu_gp *lu_gp; | |
292 | struct se_device *lu_gp_mem_dev; | |
293 | struct list_head lu_gp_mem_list; | |
e0a53e70 | 294 | }; |
c66ac9db NB |
295 | |
296 | struct t10_alua_tg_pt_gp { | |
297 | u16 tg_pt_gp_id; | |
298 | int tg_pt_gp_valid_id; | |
c0dc941e | 299 | int tg_pt_gp_alua_supported_states; |
dfbce75a HR |
300 | int tg_pt_gp_alua_pending_state; |
301 | int tg_pt_gp_alua_previous_state; | |
c66ac9db NB |
302 | int tg_pt_gp_alua_access_status; |
303 | int tg_pt_gp_alua_access_type; | |
304 | int tg_pt_gp_nonop_delay_msecs; | |
305 | int tg_pt_gp_trans_delay_msecs; | |
125d0119 | 306 | int tg_pt_gp_implicit_trans_secs; |
c66ac9db NB |
307 | int tg_pt_gp_pref; |
308 | int tg_pt_gp_write_metadata; | |
c66ac9db NB |
309 | u32 tg_pt_gp_members; |
310 | atomic_t tg_pt_gp_alua_access_state; | |
311 | atomic_t tg_pt_gp_ref_cnt; | |
312 | spinlock_t tg_pt_gp_lock; | |
313 | struct mutex tg_pt_gp_md_mutex; | |
0fd97ccf | 314 | struct se_device *tg_pt_gp_dev; |
c66ac9db NB |
315 | struct config_group tg_pt_gp_group; |
316 | struct list_head tg_pt_gp_list; | |
317 | struct list_head tg_pt_gp_mem_list; | |
9c6e164c HR |
318 | struct se_port *tg_pt_gp_alua_port; |
319 | struct se_node_acl *tg_pt_gp_alua_nacl; | |
320 | struct delayed_work tg_pt_gp_transition_work; | |
321 | struct completion *tg_pt_gp_transition_complete; | |
e0a53e70 | 322 | }; |
c66ac9db NB |
323 | |
324 | struct t10_alua_tg_pt_gp_member { | |
5dd7ed2e | 325 | bool tg_pt_gp_assoc; |
c66ac9db NB |
326 | atomic_t tg_pt_gp_mem_ref_cnt; |
327 | spinlock_t tg_pt_gp_mem_lock; | |
328 | struct t10_alua_tg_pt_gp *tg_pt_gp; | |
329 | struct se_port *tg_pt; | |
330 | struct list_head tg_pt_gp_mem_list; | |
e0a53e70 | 331 | }; |
c66ac9db NB |
332 | |
333 | struct t10_vpd { | |
334 | unsigned char device_identifier[INQUIRY_VPD_DEVICE_IDENTIFIER_LEN]; | |
335 | int protocol_identifier_set; | |
336 | u32 protocol_identifier; | |
337 | u32 device_identifier_code_set; | |
338 | u32 association; | |
339 | u32 device_identifier_type; | |
340 | struct list_head vpd_list; | |
e0a53e70 | 341 | }; |
c66ac9db NB |
342 | |
343 | struct t10_wwn { | |
e3d6f909 AG |
344 | char vendor[8]; |
345 | char model[16]; | |
346 | char revision[4]; | |
347 | char unit_serial[INQUIRY_VPD_SERIAL_LEN]; | |
c66ac9db | 348 | spinlock_t t10_vpd_lock; |
0fd97ccf | 349 | struct se_device *t10_dev; |
c66ac9db NB |
350 | struct config_group t10_wwn_group; |
351 | struct list_head t10_vpd_list; | |
e0a53e70 | 352 | }; |
c66ac9db | 353 | |
c66ac9db NB |
354 | struct t10_pr_registration { |
355 | /* Used for fabrics that contain WWN+ISID */ | |
356 | #define PR_REG_ISID_LEN 16 | |
357 | /* PR_REG_ISID_LEN + ',i,0x' */ | |
358 | #define PR_REG_ISID_ID_LEN (PR_REG_ISID_LEN + 5) | |
359 | char pr_reg_isid[PR_REG_ISID_LEN]; | |
360 | /* Used during APTPL metadata reading */ | |
361 | #define PR_APTPL_MAX_IPORT_LEN 256 | |
362 | unsigned char pr_iport[PR_APTPL_MAX_IPORT_LEN]; | |
363 | /* Used during APTPL metadata reading */ | |
364 | #define PR_APTPL_MAX_TPORT_LEN 256 | |
365 | unsigned char pr_tport[PR_APTPL_MAX_TPORT_LEN]; | |
c66ac9db NB |
366 | u16 pr_aptpl_rpti; |
367 | u16 pr_reg_tpgt; | |
368 | /* Reservation effects all target ports */ | |
369 | int pr_reg_all_tg_pt; | |
370 | /* Activate Persistence across Target Power Loss */ | |
371 | int pr_reg_aptpl; | |
372 | int pr_res_holder; | |
373 | int pr_res_type; | |
374 | int pr_res_scope; | |
375 | /* Used for fabric initiator WWPNs using a ISID */ | |
5dd7ed2e | 376 | bool isid_present_at_reg; |
c66ac9db NB |
377 | u32 pr_res_mapped_lun; |
378 | u32 pr_aptpl_target_lun; | |
379 | u32 pr_res_generation; | |
380 | u64 pr_reg_bin_isid; | |
381 | u64 pr_res_key; | |
382 | atomic_t pr_res_holders; | |
383 | struct se_node_acl *pr_reg_nacl; | |
384 | struct se_dev_entry *pr_reg_deve; | |
385 | struct se_lun *pr_reg_tg_pt_lun; | |
386 | struct list_head pr_reg_list; | |
387 | struct list_head pr_reg_abort_list; | |
388 | struct list_head pr_reg_aptpl_list; | |
389 | struct list_head pr_reg_atp_list; | |
390 | struct list_head pr_reg_atp_mem_list; | |
e0a53e70 | 391 | }; |
c66ac9db | 392 | |
e3d6f909 | 393 | struct t10_reservation { |
c66ac9db NB |
394 | /* Reservation effects all target ports */ |
395 | int pr_all_tg_pt; | |
396 | /* Activate Persistence across Target Power Loss enabled | |
397 | * for SCSI device */ | |
398 | int pr_aptpl_active; | |
f161d4b4 | 399 | #define PR_APTPL_BUF_LEN 262144 |
c66ac9db | 400 | u32 pr_generation; |
c66ac9db NB |
401 | spinlock_t registration_lock; |
402 | spinlock_t aptpl_reg_lock; | |
403 | /* | |
404 | * This will always be set by one individual I_T Nexus. | |
405 | * However with all_tg_pt=1, other I_T Nexus from the | |
406 | * same initiator can access PR reg/res info on a different | |
407 | * target port. | |
408 | * | |
409 | * There is also the 'All Registrants' case, where there is | |
410 | * a single *pr_res_holder of the reservation, but all | |
411 | * registrations are considered reservation holders. | |
412 | */ | |
413 | struct se_node_acl *pr_res_holder; | |
414 | struct list_head registration_list; | |
415 | struct list_head aptpl_reg_list; | |
e0a53e70 | 416 | }; |
c66ac9db | 417 | |
c8e31f26 AG |
418 | struct se_tmr_req { |
419 | /* Task Management function to be performed */ | |
420 | u8 function; | |
421 | /* Task Management response to send */ | |
422 | u8 response; | |
423 | int call_transport; | |
424 | /* Reference to ITT that Task Mgmt should be performed */ | |
425 | u32 ref_task_tag; | |
c8e31f26 AG |
426 | void *fabric_tmr_ptr; |
427 | struct se_cmd *task_cmd; | |
c8e31f26 AG |
428 | struct se_device *tmr_dev; |
429 | struct se_lun *tmr_lun; | |
430 | struct list_head tmr_list; | |
431 | }; | |
432 | ||
ce65e5b9 | 433 | enum target_prot_op { |
e70beee7 NB |
434 | TARGET_PROT_NORMAL = 0, |
435 | TARGET_PROT_DIN_INSERT = (1 << 0), | |
436 | TARGET_PROT_DOUT_INSERT = (1 << 1), | |
437 | TARGET_PROT_DIN_STRIP = (1 << 2), | |
438 | TARGET_PROT_DOUT_STRIP = (1 << 3), | |
439 | TARGET_PROT_DIN_PASS = (1 << 4), | |
440 | TARGET_PROT_DOUT_PASS = (1 << 5), | |
ce65e5b9 NB |
441 | }; |
442 | ||
e70beee7 NB |
443 | #define TARGET_PROT_ALL TARGET_PROT_DIN_INSERT | TARGET_PROT_DOUT_INSERT | \ |
444 | TARGET_PROT_DIN_STRIP | TARGET_PROT_DOUT_STRIP | \ | |
445 | TARGET_PROT_DIN_PASS | TARGET_PROT_DOUT_PASS | |
446 | ||
ce65e5b9 NB |
447 | enum target_prot_type { |
448 | TARGET_DIF_TYPE0_PROT, | |
449 | TARGET_DIF_TYPE1_PROT, | |
450 | TARGET_DIF_TYPE2_PROT, | |
451 | TARGET_DIF_TYPE3_PROT, | |
452 | }; | |
453 | ||
19f9361a SG |
454 | enum target_core_dif_check { |
455 | TARGET_DIF_CHECK_GUARD = 0x1 << 0, | |
456 | TARGET_DIF_CHECK_APPTAG = 0x1 << 1, | |
457 | TARGET_DIF_CHECK_REFTAG = 0x1 << 2, | |
458 | }; | |
459 | ||
ce65e5b9 NB |
460 | struct se_dif_v1_tuple { |
461 | __be16 guard_tag; | |
462 | __be16 app_tag; | |
463 | __be32 ref_tag; | |
464 | }; | |
465 | ||
68d81f40 CH |
466 | /* for sam_task_attr */ |
467 | #define TCM_SIMPLE_TAG 0x20 | |
468 | #define TCM_HEAD_TAG 0x21 | |
469 | #define TCM_ORDERED_TAG 0x22 | |
470 | #define TCM_ACA_TAG 0x24 | |
471 | ||
c66ac9db NB |
472 | struct se_cmd { |
473 | /* SAM response code being sent to initiator */ | |
474 | u8 scsi_status; | |
475 | u8 scsi_asc; | |
476 | u8 scsi_ascq; | |
c66ac9db NB |
477 | u16 scsi_sense_length; |
478 | /* Delay for ALUA Active/NonOptimized state access in milliseconds */ | |
479 | int alua_nonop_delay; | |
480 | /* See include/linux/dma-mapping.h */ | |
481 | enum dma_data_direction data_direction; | |
482 | /* For SAM Task Attribute */ | |
483 | int sam_task_attr; | |
c0add7fd NB |
484 | /* Used for se_sess->sess_tag_pool */ |
485 | unsigned int map_tag; | |
c66ac9db NB |
486 | /* Transport protocol dependent state, see transport_state_table */ |
487 | enum transport_state_table t_state; | |
5f655e8d | 488 | unsigned cmd_wait_set:1; |
b0d79946 | 489 | unsigned unknown_data_length:1; |
c66ac9db NB |
490 | /* See se_cmd_flags_table */ |
491 | u32 se_cmd_flags; | |
492 | u32 se_ordered_id; | |
493 | /* Total size in bytes associated with command */ | |
494 | u32 data_length; | |
c66ac9db NB |
495 | u32 residual_count; |
496 | u32 orig_fe_lun; | |
497 | /* Persistent Reservation key */ | |
498 | u64 pr_res_key; | |
c66ac9db NB |
499 | /* Used for sense data */ |
500 | void *sense_buffer; | |
5951146d | 501 | struct list_head se_delayed_node; |
07bde79a | 502 | struct list_head se_qf_node; |
c66ac9db NB |
503 | struct se_device *se_dev; |
504 | struct se_dev_entry *se_deve; | |
c66ac9db NB |
505 | struct se_lun *se_lun; |
506 | /* Only used for internal passthrough and legacy TCM fabric modules */ | |
507 | struct se_session *se_sess; | |
508 | struct se_tmr_req *se_tmr_req; | |
a17f091d NB |
509 | struct list_head se_cmd_list; |
510 | struct completion cmd_wait_comp; | |
7481deb4 | 511 | struct kref cmd_kref; |
9ac8928e | 512 | const struct target_core_fabric_ops *se_tfo; |
de103c93 | 513 | sense_reason_t (*execute_cmd)(struct se_cmd *); |
a82a9538 NB |
514 | sense_reason_t (*execute_rw)(struct se_cmd *, struct scatterlist *, |
515 | u32, enum dma_data_direction); | |
c8e63985 | 516 | sense_reason_t (*transport_complete_callback)(struct se_cmd *, bool); |
07bde79a | 517 | |
a1d8b49a AG |
518 | unsigned char *t_task_cdb; |
519 | unsigned char __t_task_cdb[TCM_MAX_COMMAND_SIZE]; | |
520 | unsigned long long t_task_lba; | |
a82a9538 | 521 | unsigned int t_task_nolb; |
7d680f3b CH |
522 | unsigned int transport_state; |
523 | #define CMD_T_ABORTED (1 << 0) | |
524 | #define CMD_T_ACTIVE (1 << 1) | |
525 | #define CMD_T_COMPLETE (1 << 2) | |
7d680f3b CH |
526 | #define CMD_T_SENT (1 << 4) |
527 | #define CMD_T_STOP (1 << 5) | |
4a9a6c8d NB |
528 | #define CMD_T_DEV_ACTIVE (1 << 7) |
529 | #define CMD_T_REQUEST_STOP (1 << 8) | |
530 | #define CMD_T_BUSY (1 << 9) | |
a1d8b49a AG |
531 | spinlock_t t_state_lock; |
532 | struct completion t_transport_stop_comp; | |
05d1c7c0 | 533 | |
35e0e757 CH |
534 | struct work_struct work; |
535 | ||
ec98f782 | 536 | struct scatterlist *t_data_sg; |
47e459e6 | 537 | struct scatterlist *t_data_sg_orig; |
ec98f782 | 538 | unsigned int t_data_nents; |
47e459e6 | 539 | unsigned int t_data_nents_orig; |
4949314c | 540 | void *t_data_vmap; |
ec98f782 AG |
541 | struct scatterlist *t_bidi_data_sg; |
542 | unsigned int t_bidi_data_nents; | |
543 | ||
cf572a96 CH |
544 | struct list_head state_list; |
545 | bool state_active; | |
546 | ||
547 | /* old task stop completion, consider merging with some of the above */ | |
548 | struct completion task_stop_comp; | |
549 | ||
5787cacd CH |
550 | /* backend private data */ |
551 | void *priv; | |
5277797d NB |
552 | |
553 | /* Used for lun->lun_ref counting */ | |
5259a06e | 554 | int lun_ref_active; |
ce65e5b9 NB |
555 | |
556 | /* DIF related members */ | |
557 | enum target_prot_op prot_op; | |
558 | enum target_prot_type prot_type; | |
19f9361a | 559 | u8 prot_checks; |
ce65e5b9 NB |
560 | u32 prot_length; |
561 | u32 reftag_seed; | |
562 | struct scatterlist *t_prot_sg; | |
563 | unsigned int t_prot_nents; | |
ce65e5b9 | 564 | sense_reason_t pi_err; |
76736db3 | 565 | sector_t bad_sector; |
b5b8e298 | 566 | bool prot_pto; |
e0a53e70 | 567 | }; |
c66ac9db | 568 | |
c66ac9db NB |
569 | struct se_ua { |
570 | u8 ua_asc; | |
571 | u8 ua_ascq; | |
572 | struct se_node_acl *ua_nacl; | |
c66ac9db | 573 | struct list_head ua_nacl_list; |
e0a53e70 | 574 | }; |
c66ac9db NB |
575 | |
576 | struct se_node_acl { | |
577 | char initiatorname[TRANSPORT_IQN_LEN]; | |
578 | /* Used to signal demo mode created ACL, disabled by default */ | |
5dd7ed2e | 579 | bool dynamic_node_acl; |
337c0607 | 580 | bool acl_stop:1; |
c66ac9db NB |
581 | u32 queue_depth; |
582 | u32 acl_index; | |
bffb5128 | 583 | enum target_prot_type saved_prot_type; |
79e62fc3 AG |
584 | #define MAX_ACL_TAG_SIZE 64 |
585 | char acl_tag[MAX_ACL_TAG_SIZE]; | |
c66ac9db NB |
586 | /* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */ |
587 | atomic_t acl_pr_ref_count; | |
f2083241 | 588 | struct se_dev_entry **device_list; |
c66ac9db NB |
589 | struct se_session *nacl_sess; |
590 | struct se_portal_group *se_tpg; | |
591 | spinlock_t device_list_lock; | |
592 | spinlock_t nacl_sess_lock; | |
593 | struct config_group acl_group; | |
594 | struct config_group acl_attrib_group; | |
595 | struct config_group acl_auth_group; | |
596 | struct config_group acl_param_group; | |
12d23384 NB |
597 | struct config_group acl_fabric_stat_group; |
598 | struct config_group *acl_default_groups[5]; | |
c66ac9db NB |
599 | struct list_head acl_list; |
600 | struct list_head acl_sess_list; | |
01468346 | 601 | struct completion acl_free_comp; |
afb999ff | 602 | struct kref acl_kref; |
e0a53e70 | 603 | }; |
c66ac9db NB |
604 | |
605 | struct se_session { | |
5f655e8d | 606 | unsigned sess_tearing_down:1; |
c66ac9db | 607 | u64 sess_bin_isid; |
e70beee7 | 608 | enum target_prot_op sup_prot_ops; |
38b57f82 | 609 | enum target_prot_type sess_prot_type; |
c66ac9db NB |
610 | struct se_node_acl *se_node_acl; |
611 | struct se_portal_group *se_tpg; | |
612 | void *fabric_sess_ptr; | |
613 | struct list_head sess_list; | |
614 | struct list_head sess_acl_list; | |
a17f091d | 615 | struct list_head sess_cmd_list; |
9b31a328 | 616 | struct list_head sess_wait_list; |
a17f091d | 617 | spinlock_t sess_cmd_lock; |
41ac82b6 | 618 | struct kref sess_kref; |
c0add7fd NB |
619 | void *sess_cmd_map; |
620 | struct percpu_ida sess_tag_pool; | |
e0a53e70 | 621 | }; |
c66ac9db | 622 | |
c66ac9db NB |
623 | struct se_device; |
624 | struct se_transform_info; | |
625 | struct scatterlist; | |
626 | ||
12d23384 NB |
627 | struct se_ml_stat_grps { |
628 | struct config_group stat_group; | |
629 | struct config_group scsi_auth_intr_group; | |
630 | struct config_group scsi_att_intr_port_group; | |
631 | }; | |
632 | ||
c66ac9db NB |
633 | struct se_lun_acl { |
634 | char initiatorname[TRANSPORT_IQN_LEN]; | |
635 | u32 mapped_lun; | |
636 | struct se_node_acl *se_lun_nacl; | |
637 | struct se_lun *se_lun; | |
638 | struct list_head lacl_list; | |
639 | struct config_group se_lun_group; | |
12d23384 | 640 | struct se_ml_stat_grps ml_stat_grps; |
e0a53e70 | 641 | }; |
c66ac9db NB |
642 | |
643 | struct se_dev_entry { | |
5dd7ed2e | 644 | bool def_pr_registered; |
c66ac9db NB |
645 | /* See transport_lunflags_table */ |
646 | u32 lun_flags; | |
c66ac9db | 647 | u32 mapped_lun; |
c66ac9db | 648 | u32 total_cmds; |
c66ac9db NB |
649 | u64 pr_res_key; |
650 | u64 creation_time; | |
651 | u32 attach_count; | |
652 | u64 read_bytes; | |
653 | u64 write_bytes; | |
654 | atomic_t ua_count; | |
655 | /* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */ | |
656 | atomic_t pr_ref_count; | |
657 | struct se_lun_acl *se_lun_acl; | |
658 | spinlock_t ua_lock; | |
659 | struct se_lun *se_lun; | |
660 | struct list_head alua_port_list; | |
661 | struct list_head ua_list; | |
e0a53e70 | 662 | }; |
c66ac9db | 663 | |
c66ac9db | 664 | struct se_dev_attrib { |
adfa9570 | 665 | int emulate_model_alias; |
c66ac9db NB |
666 | int emulate_dpo; |
667 | int emulate_fua_write; | |
668 | int emulate_fua_read; | |
669 | int emulate_write_cache; | |
670 | int emulate_ua_intlck_ctrl; | |
671 | int emulate_tas; | |
672 | int emulate_tpu; | |
673 | int emulate_tpws; | |
0123a9ec | 674 | int emulate_caw; |
d397a445 | 675 | int emulate_3pc; |
ce65e5b9 NB |
676 | int pi_prot_format; |
677 | enum target_prot_type pi_prot_type; | |
678 | enum target_prot_type hw_pi_prot_type; | |
c66ac9db | 679 | int enforce_pr_isids; |
92404e60 | 680 | int force_pr_aptpl; |
e22a7f07 | 681 | int is_nonrot; |
5de619a3 | 682 | int emulate_rest_reord; |
c66ac9db NB |
683 | u32 hw_block_size; |
684 | u32 block_size; | |
685 | u32 hw_max_sectors; | |
c66ac9db NB |
686 | u32 optimal_sectors; |
687 | u32 hw_queue_depth; | |
688 | u32 queue_depth; | |
c66ac9db NB |
689 | u32 max_unmap_lba_count; |
690 | u32 max_unmap_block_desc_count; | |
691 | u32 unmap_granularity; | |
692 | u32 unmap_granularity_alignment; | |
773cbaf7 | 693 | u32 max_write_same_len; |
95cadace | 694 | u32 max_bytes_per_io; |
0fd97ccf | 695 | struct se_device *da_dev; |
c66ac9db | 696 | struct config_group da_group; |
e0a53e70 | 697 | }; |
c66ac9db | 698 | |
4863e525 NB |
699 | struct se_port_stat_grps { |
700 | struct config_group stat_group; | |
701 | struct config_group scsi_port_group; | |
702 | struct config_group scsi_tgt_port_group; | |
703 | struct config_group scsi_transport_group; | |
704 | }; | |
705 | ||
706 | struct se_lun { | |
707 | #define SE_LUN_LINK_MAGIC 0xffff7771 | |
708 | u32 lun_link_magic; | |
709 | /* See transport_lun_status_table */ | |
710 | enum transport_lun_status_table lun_status; | |
711 | u32 lun_access; | |
712 | u32 lun_flags; | |
713 | u32 unpacked_lun; | |
714 | atomic_t lun_acl_count; | |
715 | spinlock_t lun_acl_lock; | |
716 | spinlock_t lun_sep_lock; | |
717 | struct completion lun_shutdown_comp; | |
718 | struct list_head lun_acl_list; | |
719 | struct se_device *lun_se_dev; | |
720 | struct se_port *lun_sep; | |
721 | struct config_group lun_group; | |
722 | struct se_port_stat_grps port_stat_grps; | |
723 | struct completion lun_ref_comp; | |
724 | struct percpu_ref lun_ref; | |
725 | }; | |
726 | ||
12d23384 NB |
727 | struct se_dev_stat_grps { |
728 | struct config_group stat_group; | |
729 | struct config_group scsi_dev_group; | |
730 | struct config_group scsi_tgt_dev_group; | |
731 | struct config_group scsi_lu_group; | |
732 | }; | |
733 | ||
c66ac9db | 734 | struct se_device { |
0ff87549 NB |
735 | #define SE_DEV_LINK_MAGIC 0xfeeddeef |
736 | u32 dev_link_magic; | |
c66ac9db NB |
737 | /* RELATIVE TARGET PORT IDENTIFER Counter */ |
738 | u16 dev_rpti_counter; | |
739 | /* Used for SAM Task Attribute ordering */ | |
740 | u32 dev_cur_ordered_id; | |
741 | u32 dev_flags; | |
0fd97ccf CH |
742 | #define DF_CONFIGURED 0x00000001 |
743 | #define DF_FIRMWARE_VPD_UNIT_SERIAL 0x00000002 | |
744 | #define DF_EMULATED_VPD_UNIT_SERIAL 0x00000004 | |
745 | #define DF_USING_UDEV_PATH 0x00000008 | |
746 | #define DF_USING_ALIAS 0x00000010 | |
c66ac9db | 747 | u32 dev_port_count; |
c66ac9db NB |
748 | /* Physical device queue depth */ |
749 | u32 queue_depth; | |
750 | /* Used for SPC-2 reservations enforce of ISIDs */ | |
751 | u64 dev_res_bin_isid; | |
c66ac9db | 752 | /* Pointer to transport specific device structure */ |
c66ac9db NB |
753 | u32 dev_index; |
754 | u64 creation_time; | |
ee480683 NB |
755 | atomic_long_t num_resets; |
756 | atomic_long_t num_cmds; | |
757 | atomic_long_t read_bytes; | |
758 | atomic_long_t write_bytes; | |
c66ac9db | 759 | /* Active commands on this virtual SE device */ |
c66ac9db | 760 | atomic_t simple_cmds; |
c66ac9db | 761 | atomic_t dev_ordered_id; |
c66ac9db | 762 | atomic_t dev_ordered_sync; |
07bde79a | 763 | atomic_t dev_qf_count; |
0fd97ccf | 764 | int export_count; |
c66ac9db | 765 | spinlock_t delayed_cmd_lock; |
c66ac9db | 766 | spinlock_t execute_task_lock; |
c66ac9db | 767 | spinlock_t dev_reservation_lock; |
0fd97ccf CH |
768 | unsigned int dev_reservation_flags; |
769 | #define DRF_SPC2_RESERVATIONS 0x00000001 | |
770 | #define DRF_SPC2_RESERVATIONS_WITH_ISID 0x00000002 | |
c66ac9db NB |
771 | spinlock_t se_port_lock; |
772 | spinlock_t se_tmr_lock; | |
07bde79a | 773 | spinlock_t qf_cmd_lock; |
68ff9b9b | 774 | struct semaphore caw_sem; |
c66ac9db NB |
775 | /* Used for legacy SPC-2 reservationsa */ |
776 | struct se_node_acl *dev_reserved_node_acl; | |
777 | /* Used for ALUA Logical Unit Group membership */ | |
778 | struct t10_alua_lu_gp_member *dev_alua_lu_gp_mem; | |
779 | /* Used for SPC-3 Persistent Reservations */ | |
780 | struct t10_pr_registration *dev_pr_res_holder; | |
781 | struct list_head dev_sep_list; | |
782 | struct list_head dev_tmr_list; | |
af877292 | 783 | struct workqueue_struct *tmr_wq; |
07bde79a | 784 | struct work_struct qf_work_queue; |
c66ac9db | 785 | struct list_head delayed_cmd_list; |
cf572a96 | 786 | struct list_head state_list; |
07bde79a | 787 | struct list_head qf_cmd_list; |
d9ea32bf | 788 | struct list_head g_dev_node; |
c66ac9db NB |
789 | /* Pointer to associated SE HBA */ |
790 | struct se_hba *se_hba; | |
0fd97ccf CH |
791 | /* T10 Inquiry and VPD WWN Information */ |
792 | struct t10_wwn t10_wwn; | |
793 | /* T10 Asymmetric Logical Unit Assignment for Target Ports */ | |
794 | struct t10_alua t10_alua; | |
795 | /* T10 SPC-2 + SPC-3 Reservations */ | |
796 | struct t10_reservation t10_pr; | |
797 | struct se_dev_attrib dev_attrib; | |
798 | struct config_group dev_group; | |
799 | struct config_group dev_pr_group; | |
800 | struct se_dev_stat_grps dev_stat_grps; | |
801 | #define SE_DEV_ALIAS_LEN 512 /* must be less than PAGE_SIZE */ | |
802 | unsigned char dev_alias[SE_DEV_ALIAS_LEN]; | |
803 | #define SE_UDEV_PATH_LEN 512 /* must be less than PAGE_SIZE */ | |
804 | unsigned char udev_path[SE_UDEV_PATH_LEN]; | |
c66ac9db NB |
805 | /* Pointer to template of function pointers for transport */ |
806 | struct se_subsystem_api *transport; | |
807 | /* Linked list for struct se_hba struct se_device list */ | |
808 | struct list_head dev_list; | |
4863e525 | 809 | struct se_lun xcopy_lun; |
ce65e5b9 NB |
810 | /* Protection Information */ |
811 | int prot_length; | |
e0a53e70 | 812 | }; |
c66ac9db | 813 | |
c66ac9db NB |
814 | struct se_hba { |
815 | u16 hba_tpgt; | |
816 | u32 hba_id; | |
817 | /* See hba_flags_table */ | |
818 | u32 hba_flags; | |
819 | /* Virtual iSCSI devices attached. */ | |
820 | u32 dev_count; | |
821 | u32 hba_index; | |
c66ac9db NB |
822 | /* Pointer to transport specific host structure. */ |
823 | void *hba_ptr; | |
e3d6f909 | 824 | struct list_head hba_node; |
c66ac9db | 825 | spinlock_t device_lock; |
c66ac9db NB |
826 | struct config_group hba_group; |
827 | struct mutex hba_access_mutex; | |
828 | struct se_subsystem_api *transport; | |
e0a53e70 | 829 | }; |
c66ac9db | 830 | |
e89d15ee NB |
831 | struct scsi_port_stats { |
832 | u64 cmd_pdus; | |
833 | u64 tx_data_octets; | |
834 | u64 rx_data_octets; | |
e0a53e70 | 835 | }; |
e89d15ee | 836 | |
c66ac9db NB |
837 | struct se_port { |
838 | /* RELATIVE TARGET PORT IDENTIFER */ | |
839 | u16 sep_rtpi; | |
840 | int sep_tg_pt_secondary_stat; | |
841 | int sep_tg_pt_secondary_write_md; | |
842 | u32 sep_index; | |
843 | struct scsi_port_stats sep_stats; | |
844 | /* Used for ALUA Target Port Groups membership */ | |
c66ac9db NB |
845 | atomic_t sep_tg_pt_secondary_offline; |
846 | /* Used for PR ALL_TG_PT=1 */ | |
847 | atomic_t sep_tg_pt_ref_cnt; | |
848 | spinlock_t sep_alua_lock; | |
849 | struct mutex sep_tg_pt_md_mutex; | |
850 | struct t10_alua_tg_pt_gp_member *sep_alua_tg_pt_gp_mem; | |
851 | struct se_lun *sep_lun; | |
852 | struct se_portal_group *sep_tpg; | |
853 | struct list_head sep_alua_list; | |
854 | struct list_head sep_list; | |
e0a53e70 | 855 | }; |
c66ac9db NB |
856 | |
857 | struct se_tpg_np { | |
1f6fe7cb | 858 | struct se_portal_group *tpg_np_parent; |
c66ac9db | 859 | struct config_group tpg_np_group; |
e0a53e70 | 860 | }; |
c66ac9db NB |
861 | |
862 | struct se_portal_group { | |
863 | /* Type of target portal group, see transport_tpg_type_table */ | |
864 | enum transport_tpg_type_table se_tpg_type; | |
865 | /* Number of ACLed Initiator Nodes for this TPG */ | |
866 | u32 num_node_acls; | |
867 | /* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */ | |
868 | atomic_t tpg_pr_ref_count; | |
869 | /* Spinlock for adding/removing ACLed Nodes */ | |
870 | spinlock_t acl_node_lock; | |
871 | /* Spinlock for adding/removing sessions */ | |
872 | spinlock_t session_lock; | |
873 | spinlock_t tpg_lun_lock; | |
874 | /* Pointer to $FABRIC_MOD portal group */ | |
875 | void *se_tpg_fabric_ptr; | |
e3d6f909 | 876 | struct list_head se_tpg_node; |
c66ac9db NB |
877 | /* linked list for initiator ACL list */ |
878 | struct list_head acl_node_list; | |
4a5a75f3 | 879 | struct se_lun **tpg_lun_list; |
c66ac9db | 880 | struct se_lun tpg_virt_lun0; |
25985edc | 881 | /* List of TCM sessions associated wth this TPG */ |
c66ac9db NB |
882 | struct list_head tpg_sess_list; |
883 | /* Pointer to $FABRIC_MOD dependent code */ | |
9ac8928e | 884 | const struct target_core_fabric_ops *se_tpg_tfo; |
c66ac9db NB |
885 | struct se_wwn *se_tpg_wwn; |
886 | struct config_group tpg_group; | |
e4b512e7 | 887 | struct config_group *tpg_default_groups[7]; |
c66ac9db NB |
888 | struct config_group tpg_lun_group; |
889 | struct config_group tpg_np_group; | |
890 | struct config_group tpg_acl_group; | |
891 | struct config_group tpg_attrib_group; | |
e4b512e7 | 892 | struct config_group tpg_auth_group; |
c66ac9db | 893 | struct config_group tpg_param_group; |
e0a53e70 | 894 | }; |
c66ac9db | 895 | |
c66ac9db NB |
896 | struct se_wwn { |
897 | struct target_fabric_configfs *wwn_tf; | |
898 | struct config_group wwn_group; | |
12d23384 NB |
899 | struct config_group *wwn_default_groups[2]; |
900 | struct config_group fabric_stat_group; | |
e0a53e70 | 901 | }; |
c66ac9db | 902 | |
33940d09 JE |
903 | static inline void atomic_inc_mb(atomic_t *v) |
904 | { | |
905 | smp_mb__before_atomic(); | |
906 | atomic_inc(v); | |
907 | smp_mb__after_atomic(); | |
908 | } | |
909 | ||
910 | static inline void atomic_dec_mb(atomic_t *v) | |
911 | { | |
912 | smp_mb__before_atomic(); | |
913 | atomic_dec(v); | |
914 | smp_mb__after_atomic(); | |
915 | } | |
916 | ||
c66ac9db | 917 | #endif /* TARGET_CORE_BASE_H */ |