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| author | Dan Williams <dan.j.williams@intel.com> | 2014-12-31 01:46:16 +0300 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2015-01-09 17:44:18 +0300 |
| commit | 967f7bab0eaaa74d7d01a56d45aa309f78fb87dd (patch) | |
| tree | c060248c671d1d2882458941d5de40a1dc7441cd /drivers/scsi/ses.c | |
| parent | 15a0fbbc8e0d4c135b069c34258fbaebad471dd7 (diff) | |
| download | linux-967f7bab0eaaa74d7d01a56d45aa309f78fb87dd.tar.xz | |
ses: add enclosure logical id
Export the NAA logical id for the enclosure. This is optionally
available from the sas_transport_class, but it is really a property of
the enclosure.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
Reviewed-by: Jens Axboe <axboe@fb.com>
Cc: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/ses.c')
| -rw-r--r-- | drivers/scsi/ses.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c index 6662b0ca6cfd..1041556cdbf3 100644 --- a/drivers/scsi/ses.c +++ b/drivers/scsi/ses.c @@ -258,6 +258,14 @@ static int ses_set_active(struct enclosure_device *edev, return ses_set_page2_descriptor(edev, ecomp, desc); } +static int ses_show_id(struct enclosure_device *edev, char *buf) +{ + struct ses_device *ses_dev = edev->scratch; + unsigned long long id = get_unaligned_be64(ses_dev->page1+8+4); + + return sprintf(buf, "%#llx\n", id); +} + static struct enclosure_component_callbacks ses_enclosure_callbacks = { .get_fault = ses_get_fault, .set_fault = ses_set_fault, @@ -265,6 +273,7 @@ static struct enclosure_component_callbacks ses_enclosure_callbacks = { .get_locate = ses_get_locate, .set_locate = ses_set_locate, .set_active = ses_set_active, + .show_id = ses_show_id, }; struct ses_host_edev { |