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-rw-r--r--include/scsi/scsi_device.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index d371c3ca90c..f751d37685e 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -471,6 +471,11 @@ static inline int scsi_device_protection(struct scsi_device *sdev)
return sdev->scsi_level > SCSI_2 && sdev->inquiry[5] & (1<<0);
}
+static inline int scsi_device_tpgs(struct scsi_device *sdev)
+{
+ return sdev->inquiry ? (sdev->inquiry[5] >> 4) & 0x3 : 0;
+}
+
#define MODULE_ALIAS_SCSI_DEVICE(type) \
MODULE_ALIAS("scsi:t-" __stringify(type) "*")
#define SCSI_DEVICE_MODALIAS_FMT "scsi:t-0x%02x"