From: Haojian Zhuang <haojian.zhuang@linaro.org>
To: feng.tian@intel.com, leif.lindholm@linaro.org,
ard.biesheuvel@linaro.org, edk2-devel@lists.01.org
Cc: Haojian Zhuang <haojian.zhuang@linaro.org>
Subject: [PATCH 9/9] ScsiDisk: retry if device detected power failure
Date: Fri, 6 Jan 2017 14:52:18 +0800 [thread overview]
Message-ID: <1483685538-11058-10-git-send-email-haojian.zhuang@linaro.org> (raw)
In-Reply-To: <1483685538-11058-1-git-send-email-haojian.zhuang@linaro.org>
If device detected power failure, just retry. This operation is common
in linux kernel.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
---
MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c b/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c
index b5eff25..a7b62ec 100644
--- a/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c
+++ b/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c
@@ -2251,6 +2251,12 @@ ScsiDiskTestUnitReady (
if (SenseDataLength != 0) {
*NumberOfSenseKeys = SenseDataLength / sizeof (EFI_SCSI_SENSE_DATA);
*SenseDataArray = ScsiDiskDevice->SenseData;
+ if (((*SenseDataArray)->Sense_Key == EFI_SCSI_SK_UNIT_ATTENTION) &&
+ ((*SenseDataArray)->Addnl_Sense_Code == 0x29) &&
+ ((*SenseDataArray)->Addnl_Sense_Code_Qualifier == 0)) {
+ *NeedRetry = TRUE;
+ return EFI_NOT_READY;
+ }
return EFI_SUCCESS;
}
--
2.7.4
next prev parent reply other threads:[~2017-01-06 6:52 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-06 6:52 [PATCH 0/9] enhance UFS Haojian Zhuang
2017-01-06 6:52 ` [PATCH 1/9] Ufs: fix data direction checking Haojian Zhuang
2017-01-06 7:08 ` Tian, Feng
2017-01-06 8:33 ` Haojian Zhuang
2017-01-06 6:52 ` [PATCH 2/9] Ufs: fix to identify 32 bits address mode Haojian Zhuang
2017-01-06 7:10 ` Tian, Feng
2017-01-06 6:52 ` [PATCH 3/9] Ufs: fix the bit in UFS_HC_UTRLDBR_OFFSET register Haojian Zhuang
2017-01-06 7:18 ` Tian, Feng
2017-01-06 6:52 ` [PATCH 4/9] Ufs: fix to set UTRLBA and UTRLBAU register Haojian Zhuang
2017-01-06 8:36 ` Tian, Feng
2017-01-06 9:05 ` Haojian Zhuang
2017-01-09 1:25 ` Tian, Feng
2017-01-06 6:52 ` [PATCH 5/9] Ufs: fix to set PRDT length Haojian Zhuang
2017-01-06 6:52 ` [PATCH 6/9] Ufs: add PhyInit Haojian Zhuang
2017-01-06 7:27 ` Tian, Feng
2017-01-06 8:21 ` Haojian Zhuang
2017-01-06 8:44 ` Tian, Feng
2017-01-06 6:52 ` [PATCH 7/9] Ufs: fix initialize OCS value to 0x0F Haojian Zhuang
2017-01-06 7:26 ` Tian, Feng
2017-01-06 8:18 ` Haojian Zhuang
2017-01-06 6:52 ` [PATCH 8/9] Ufs: fix to add cache operation Haojian Zhuang
2017-01-06 8:42 ` Tian, Feng
2017-01-06 6:52 ` Haojian Zhuang [this message]
2017-01-06 8:22 ` [PATCH 9/9] ScsiDisk: retry if device detected power failure Tian, Feng
2017-01-06 8:31 ` Haojian Zhuang
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