From: James Bottomley <James.Bottomley@HansenPartnership.com>
To: linux-scsi <linux-scsi@vger.kernel.org>
Subject: [SCSI] scsi.h: add macro for enclosure bit of inquiry data
Date: Sun, 20 Jan 2008 09:09:40 -0600 [thread overview]
Message-ID: <1200841780.3105.1.camel@localhost.localdomain> (raw)
The macro tells us whether the device is (or contains) an enclosure device.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
include/scsi/scsi_device.h | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index e0c645a..a262d11 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -386,6 +386,10 @@ static inline int scsi_device_qas(struct scsi_device *sdev)
return 0;
return sdev->inquiry[56] & 0x02;
}
+static inline int scsi_device_enclosure(struct scsi_device *sdev)
+{
+ return sdev->inquiry[6] & (1<<6);
+}
#define MODULE_ALIAS_SCSI_DEVICE(type) \
MODULE_ALIAS("scsi:t-" __stringify(type) "*")
--
1.5.3.8
next reply other threads:[~2008-01-20 15:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-20 15:09 James Bottomley [this message]
2008-01-20 17:44 ` [SCSI] scsi.h: add macro for enclosure bit of inquiry data Stefan Richter
2008-01-20 23:29 ` James Bottomley
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