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scsi: target: core: Add configurable IEEE Company ID attribute

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Implement an attribute which provides a way to set a company specific WWN
in configfs via:

  target/core/$backstore/$name/wwn/company_id

The Open Fabrics Alliance ID 001405h remains the default.

Link: https://lore.kernel.org/r/20210420185920.42431-3-s.samoylenko@yadro.com
Signed-off-by: Sergey Samoylenko <s.samoylenko@yadro.com>
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Sergey Samoylenko
2021-04-20 21:59:20 +03:00
committed by Martin K. Petersen
parent 17f947b8b0
commit 2469f1e041
4 changed files with 63 additions and 7 deletions
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include/target/target_core_base.h
+1
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@@ -326,6 +326,7 @@ struct t10_wwn {
char model[INQUIRY_MODEL_LEN + 1];
char revision[INQUIRY_REVISION_LEN + 1];
char unit_serial[INQUIRY_VPD_SERIAL_LEN];
u32 company_id;
spinlock_t t10_vpd_lock;
struct se_device *t10_dev;
struct config_group t10_wwn_group;