scsi: target: core: Dynamic opcode support in RSOC

Report supported opcodes depending on a dynamic device configuration.
Reviewed-by: Roman Bolshakov <r.bolshakov@yadro.com>
Signed-off-by: Dmitry Bogdanov <d.bogdanov@yadro.com>
Link: https://lore.kernel.org/r/20220906103421.22348-4-d.bogdanov@yadro.comReviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

include/target/target_core_base.h

@@ -876,6 +876,7 @@ struct target_opcode_descriptor {
 	u8			specific_timeout;
 	u16			nominal_timeout;
 	u16			recommended_timeout;
+	bool			(*enabled)(struct se_cmd *cmd);
 	u8			usage_bits[];
 };