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authorBodo Stroesser <bstroesser@ts.fujitsu.com>2020-07-26 17:35:04 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2020-07-28 22:25:26 -0400
commit2e45a1a9c75d39f85df3f288e205fecb6f788e02 (patch)
tree7edddee4730a644dcc3b5e3bcb24f6efdf135669 /include/target
parentf5e2714ad1a62d23cd8e8af07d438912d8115fae (diff)
scsi: target: Add tmr_notify backend function
Target core is modified to call an optional backend callback function if a TMR is received or commands are aborted implicitly after a PR command was received. The backend function takes as parameters the se_dev, the type of the TMR, and the list of aborted commands. If no commands were aborted, an empty list is supplied. Link: https://lore.kernel.org/r/20200726153510.13077-3-bstroesser@ts.fujitsu.com Reviewed-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Bodo Stroesser <bstroesser@ts.fujitsu.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/target')
-rw-r--r--include/target/target_core_backend.h2
-rw-r--r--include/target/target_core_base.h1
2 files changed, 3 insertions, 0 deletions
diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h
index f51452e3b984..6336780d83a7 100644
--- a/include/target/target_core_backend.h
+++ b/include/target/target_core_backend.h
@@ -40,6 +40,8 @@ struct target_backend_ops {
ssize_t (*show_configfs_dev_params)(struct se_device *, char *);
sense_reason_t (*parse_cdb)(struct se_cmd *cmd);
+ void (*tmr_notify)(struct se_device *se_dev, enum tcm_tmreq_table,
+ struct list_head *aborted_cmds);
u32 (*get_device_type)(struct se_device *);
sector_t (*get_blocks)(struct se_device *);
sector_t (*get_alignment_offset_lbas)(struct se_device *);
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 18c3f277b770..549947d407cf 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -207,6 +207,7 @@ enum tcm_tmreq_table {
TMR_LUN_RESET = 5,
TMR_TARGET_WARM_RESET = 6,
TMR_TARGET_COLD_RESET = 7,
+ TMR_LUN_RESET_PRO = 0x80,
TMR_UNKNOWN = 0xff,
};