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authorAndrew Vasquez <andrew.vasquez@qlogic.com>2008-02-28 14:06:10 -0800
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-03-03 13:11:18 -0600
commit3e8ce320cfc6cc10a7b99d8d6508d00bde20fdb7 (patch)
treefa11155cdb41c68cb6c644d0b6e99a22d42a1cbe /drivers
parent7c7f1f299b7f21f1f5fd4fa3da6b626406109f30 (diff)
[SCSI] qla2xxx: Correct discrepancies during OVERRUN handling on FWI2-capable cards.
For recent ISPs, software must detect OVERRUN conditions by checking the SS_RESIDUAL_OVER bit during CS_COMPLETE handling. Update the driver to perform this check, which is consistent with what earlier firmwares did by explicitly cracking open the FCP_RSP statuses and returning an CS_DATA_OVERRUN. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 14e6f22944b..f0337036c7b 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -958,6 +958,11 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
}
}
+ /* Check for overrun. */
+ if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
+ scsi_status & SS_RESIDUAL_OVER)
+ comp_status = CS_DATA_OVERRUN;
+
/*
* Based on Host and scsi status generate status code for Linux
*/