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authorWolfgang Wiedmeyer <wolfgit@wiedmeyer.de>2015-10-23 13:30:20 +0200
committerWolfgang Wiedmeyer <wolfgit@wiedmeyer.de>2015-10-23 13:30:20 +0200
commite7549b926dd3ceec048f5689df90d4ec970c9419 (patch)
treec8645e0b4343c309aac1a3838a17cfcf0893d7b5 /drivers/scsi/qla2xxx/qla_fw.h
parent499ba610c2829adafbf393c2f3773d73ae4445f3 (diff)
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more driver stuff from 3.2.72
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_fw.h')
-rw-r--r--drivers/scsi/qla2xxx/qla_fw.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h
index 691783a..aa69486 100644
--- a/drivers/scsi/qla2xxx/qla_fw.h
+++ b/drivers/scsi/qla2xxx/qla_fw.h
@@ -537,6 +537,11 @@ struct sts_entry_24xx {
/*
* If DIF Error is set in comp_status, these additional fields are
* defined:
+ *
+ * !!! NOTE: Firmware sends expected/actual DIF data in big endian
+ * format; but all of the "data" field gets swab32-d in the beginning
+ * of qla2x00_status_entry().
+ *
* &data[10] : uint8_t report_runt_bg[2]; - computed guard
* &data[12] : uint8_t actual_dif[8]; - DIF Data received
* &data[20] : uint8_t expected_dif[8]; - DIF Data computed