This adds a helper to copy sense from backend module buffer to
the se_cmd's sense buffer.
Signed-off-by: Mike Christie <mchristi@xxxxxxxxxx>
---
drivers/target/target_core_transport.c | 18 ++++++++++++++++++
include/target/target_core_backend.h | 2 ++
2 files changed, 20 insertions(+)
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 4037cf9..f8f40ae 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -701,6 +701,24 @@ static unsigned char *transport_get_sense_buffer(struct se_cmd *cmd)
return cmd->sense_buffer;
}
+void transport_copy_sense_to_cmd(struct se_cmd *cmd, unsigned char *sense)
+{
+ unsigned char *cmd_sense_buf;
+ unsigned long flags;
+
+ spin_lock_irqsave(&cmd->t_state_lock, flags);
+ cmd_sense_buf = transport_get_sense_buffer(cmd);
+ if (!cmd_sense_buf) {
+ spin_unlock_irqrestore(&cmd->t_state_lock, flags);
+ return;
+ }
+
+ cmd->se_cmd_flags |= SCF_TRANSPORT_TASK_SENSE;
+ memcpy(cmd_sense_buf, sense, cmd->scsi_sense_length);
+ spin_unlock_irqrestore(&cmd->t_state_lock, flags);
+}
+EXPORT_SYMBOL(transport_copy_sense_to_cmd);
+
void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status)
{
struct se_device *dev = cmd->se_dev;
diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h
index e475531..07c730a 100644
--- a/include/target/target_core_backend.h
+++ b/include/target/target_core_backend.h
@@ -71,6 +71,8 @@ struct sbc_ops {
void target_complete_cmd(struct se_cmd *, u8);
void target_complete_cmd_with_length(struct se_cmd *, u8, int);
+void transport_copy_sense_to_cmd(struct se_cmd *, unsigned char *);
+
sense_reason_t spc_parse_cdb(struct se_cmd *cmd, unsigned int *size);
sense_reason_t spc_emulate_report_luns(struct se_cmd *cmd);
sense_reason_t spc_emulate_inquiry_std(struct se_cmd *, unsigned char *);
--
1.8.3.1
--
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