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authorArnd Bergmann <arnd@arndb.de>2011-10-20 15:30:55 +0200
committerArnd Bergmann <arnd@arndb.de>2011-10-20 15:30:55 +0200
commit29ea35969b92a4be122a58c4aceea8c5e2c388d9 (patch)
tree8285c0e98e7bb03868d390b58180e3cab876a8db /drivers/scsi/qla2xxx/qla_fw.h
parent112d17d6f75b93e1dcaec2e2232a411148b3bf71 (diff)
parentb4cbb8a4e602ea77b0525d06eff89c6a6070dab3 (diff)
Merge branch 'imx/devel' into next/devel
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 691783abfb69..aa69486dc064 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