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| author | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-01-20 09:09:40 -0600 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-01-23 11:29:35 -0600 |
| commit | b30c2fc1113edfb2371427c10503ff942b0a0370 (patch) | |
| tree | 1eb6f1c83f44bcd12e254a544eff20b3da9dc996 /include/scsi/scsi_device.h | |
| parent | a0899d4df534d2bcf671b0f647b809842309a9ae (diff) | |
| download | op-kernel-dev-b30c2fc1113edfb2371427c10503ff942b0a0370.zip op-kernel-dev-b30c2fc1113edfb2371427c10503ff942b0a0370.tar.gz | |
[SCSI] scsi.h: add macro for enclosure bit of inquiry data
The macro tells us whether the device is (or contains) an enclosure device.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'include/scsi/scsi_device.h')
| -rw-r--r-- | 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 3c8f898..ab7acbe 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -387,6 +387,10 @@ 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) "*") |
