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de103c93af
Pass the sense reason as an explicit return value from the I/O submission
path instead of storing it in struct se_cmd and using negative return
values. This cleans up a lot of the code pathes, and with the sparse
annotations for the new sense_reason_t type allows for much better
error checking.
(nab: Convert spc_emulate_modesense + spc_emulate_modeselect to use
sense_reason_t with Roland's MODE SELECT changes)
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
37 lines
1.4 KiB
C
37 lines
1.4 KiB
C
#ifndef TARGET_CORE_UA_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_IMPLICT_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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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_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 void core_scsi3_ua_for_check_condition(struct se_cmd *, u8 *, 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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