forked from mirrors/linux
325c1e8b24
Send a valid ASC / ASCQ combination back to the initiator if a SCSI command is received after a LUN has been removed. This patch fixes the following call trace: WARNING: CPU: 0 PID: 4 at drivers/target/target_core_transport.c:3131 translate_sense_reason+0x164/0x190 [target_core_mod] Workqueue: ib-comp-wq ib_cq_poll_work [ib_core] RIP: 0010:translate_sense_reason+0x164/0x190 [target_core_mod] Call Trace: transport_send_check_condition_and_sense+0x95/0x1c0 [target_core_mod] transport_generic_request_failure+0x102/0x270 [target_core_mod] transport_generic_new_cmd+0x138/0x340 [target_core_mod] transport_handle_cdb_direct+0x2f/0x80 [target_core_mod] target_submit_cmd_map_sgls+0x212/0x2a0 [target_core_mod] srpt_handle_new_iu+0x244/0x680 [ib_srpt] __ib_process_cq+0x6d/0xc0 [ib_core] ib_cq_poll_work+0x18/0x50 [ib_core] process_one_work+0x20b/0x6a0 worker_thread+0x35/0x380 kthread+0x117/0x130 ret_from_fork+0x24/0x30 Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Reviewed-by: Mike Christie <mchristi@redhat.com> Cc: Mike Christie <mchristi@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
45 lines
1.7 KiB
C
45 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef TARGET_CORE_UA_H
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#define TARGET_CORE_UA_H
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#include <target/target_core_base.h>
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/*
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* From spc4r17, Table D.1: ASC and ASCQ Assignement
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*/
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#define ASCQ_29H_POWER_ON_RESET_OR_BUS_DEVICE_RESET_OCCURED 0x00
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#define ASCQ_29H_POWER_ON_OCCURRED 0x01
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#define ASCQ_29H_SCSI_BUS_RESET_OCCURED 0x02
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#define ASCQ_29H_BUS_DEVICE_RESET_FUNCTION_OCCURRED 0x03
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#define ASCQ_29H_DEVICE_INTERNAL_RESET 0x04
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#define ASCQ_29H_TRANSCEIVER_MODE_CHANGED_TO_SINGLE_ENDED 0x05
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#define ASCQ_29H_TRANSCEIVER_MODE_CHANGED_TO_LVD 0x06
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#define ASCQ_29H_NEXUS_LOSS_OCCURRED 0x07
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#define ASCQ_2AH_PARAMETERS_CHANGED 0x00
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#define ASCQ_2AH_MODE_PARAMETERS_CHANGED 0x01
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#define ASCQ_2AH_LOG_PARAMETERS_CHANGED 0x02
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#define ASCQ_2AH_RESERVATIONS_PREEMPTED 0x03
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#define ASCQ_2AH_RESERVATIONS_RELEASED 0x04
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#define ASCQ_2AH_REGISTRATIONS_PREEMPTED 0x05
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#define ASCQ_2AH_ASYMMETRIC_ACCESS_STATE_CHANGED 0x06
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#define ASCQ_2AH_IMPLICIT_ASYMMETRIC_ACCESS_STATE_TRANSITION_FAILED 0x07
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#define ASCQ_2AH_PRIORITY_CHANGED 0x08
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#define ASCQ_2CH_PREVIOUS_RESERVATION_CONFLICT_STATUS 0x09
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#define ASCQ_3FH_INQUIRY_DATA_HAS_CHANGED 0x03
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#define ASCQ_3FH_REPORTED_LUNS_DATA_HAS_CHANGED 0x0E
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extern struct kmem_cache *se_ua_cache;
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extern sense_reason_t target_scsi3_ua_check(struct se_cmd *);
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extern int core_scsi3_ua_allocate(struct se_dev_entry *, u8, u8);
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extern void target_ua_allocate_lun(struct se_node_acl *, u32, u8, u8);
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extern void core_scsi3_ua_release_all(struct se_dev_entry *);
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extern bool core_scsi3_ua_for_check_condition(struct se_cmd *, u8 *, u8 *,
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u8 *);
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extern int core_scsi3_ua_clear_for_request_sense(struct se_cmd *,
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u8 *, u8 *);
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#endif /* TARGET_CORE_UA_H */
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