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[SCSI] qla2xxx: T10 DIF - Handle uninitalized sectors.

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Driver needs to update protection bytes for uninitialized sectors as they are
not DMA-d.

Signed-off-by: Arun Easi <arun.easi@qlogic.com>
Reviewed-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Arun Easi
2011-08-16 11:29:22 -07:00
committed by James Bottomley
parent 01350d0553
commit 8cb2049c74
6 changed files with 335 additions and 38 deletions
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5
drivers/scsi/qla2xxx/qla_fw.h
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@@ -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