drivers/target/target_core_ua.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef TARGET_CORE_UA_H
0003 #define TARGET_CORE_UA_H
0004
0005 #include <target/target_core_base.h>
0006
0007 /*
0008  * From spc4r17, Table D.1: ASC and ASCQ Assignement
0009  */
0010 #define ASCQ_29H_POWER_ON_RESET_OR_BUS_DEVICE_RESET_OCCURED 0x00
0011 #define ASCQ_29H_POWER_ON_OCCURRED              0x01
0012 #define ASCQ_29H_SCSI_BUS_RESET_OCCURED             0x02
0013 #define ASCQ_29H_BUS_DEVICE_RESET_FUNCTION_OCCURRED     0x03
0014 #define ASCQ_29H_DEVICE_INTERNAL_RESET              0x04
0015 #define ASCQ_29H_TRANSCEIVER_MODE_CHANGED_TO_SINGLE_ENDED   0x05
0016 #define ASCQ_29H_TRANSCEIVER_MODE_CHANGED_TO_LVD        0x06
0017 #define ASCQ_29H_NEXUS_LOSS_OCCURRED                0x07
0018
0019 #define ASCQ_2AH_PARAMETERS_CHANGED             0x00
0020 #define ASCQ_2AH_MODE_PARAMETERS_CHANGED            0x01
0021 #define ASCQ_2AH_LOG_PARAMETERS_CHANGED             0x02
0022 #define ASCQ_2AH_RESERVATIONS_PREEMPTED             0x03
0023 #define ASCQ_2AH_RESERVATIONS_RELEASED              0x04
0024 #define ASCQ_2AH_REGISTRATIONS_PREEMPTED            0x05
0025 #define ASCQ_2AH_ASYMMETRIC_ACCESS_STATE_CHANGED        0x06
0026 #define ASCQ_2AH_IMPLICIT_ASYMMETRIC_ACCESS_STATE_TRANSITION_FAILED 0x07
0027 #define ASCQ_2AH_PRIORITY_CHANGED               0x08
0028
0029 #define ASCQ_2CH_PREVIOUS_RESERVATION_CONFLICT_STATUS       0x09
0030
0031 #define ASCQ_3FH_INQUIRY_DATA_HAS_CHANGED           0x03
0032 #define ASCQ_3FH_REPORTED_LUNS_DATA_HAS_CHANGED         0x0E
0033
0034 extern struct kmem_cache *se_ua_cache;
0035
0036 extern sense_reason_t target_scsi3_ua_check(struct se_cmd *);
0037 extern int core_scsi3_ua_allocate(struct se_dev_entry *, u8, u8);
0038 extern void target_ua_allocate_lun(struct se_node_acl *, u32, u8, u8);
0039 extern void core_scsi3_ua_release_all(struct se_dev_entry *);
0040 extern bool core_scsi3_ua_for_check_condition(struct se_cmd *, u8 *, u8 *,
0041                           u8 *);
0042 extern int core_scsi3_ua_clear_for_request_sense(struct se_cmd *,
0043                         u8 *, u8 *);
0044
0045 #endif /* TARGET_CORE_UA_H */