When a UTP error occurs in isolation, UFS is not currently recoverable.
This is because the UTP error is not considered fatal in the error
handling code, leading to either an I/O timeout or an OCS error.
Add the UTP error flag to INT_FATAL_ERRORS so the controller will be
reset in this situation.
sd 0:0:0:0: [sda] tag#38 UNKNOWN(0x2003) Result: hostbyte=0x07
driverbyte=DRIVER_OK cmd_age=0s
sd 0:0:0:0: [sda] tag#38 CDB: opcode=0x28 28 00 00 51 24 e2 00 00 08 00
I/O error, dev sda, sector
42542864 op 0x0:(READ) flags 0x80700 phys_seg
8 prio class 2
OCS error from controller = 9 for tag 39
pa_err[1] = 0x80000010 at
2667224756 us
pa_err: total cnt=2
dl_err[0] = 0x80000002 at
2667148060 us
dl_err[1] = 0x80002000 at
2667282844 us
No record of nl_err
No record of tl_err
No record of dme_err
No record of auto_hibern8_err
fatal_err[0] = 0x804 at
2667282836 us
---------------------------------------------------
REGISTER
---------------------------------------------------
NAME OFFSET VALUE
STD HCI SFR 0xfffffff0 0x0
AHIT 0x18 0x814
INTERRUPT STATUS 0x20 0x1000
INTERRUPT ENABLE 0x24 0x70ef5
[mkp: commit desc]
Signed-off-by: Hoyoung Seo <hy50.seo@samsung.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Message-Id: <
20250930061428.617955-1-hy50.seo@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
#define UTP_TASK_REQ_COMPL 0x200
#define UIC_COMMAND_COMPL 0x400
#define DEVICE_FATAL_ERROR 0x800
+#define UTP_ERROR 0x1000
#define CONTROLLER_FATAL_ERROR 0x10000
#define SYSTEM_BUS_FATAL_ERROR 0x20000
#define CRYPTO_ENGINE_FATAL_ERROR 0x40000
CONTROLLER_FATAL_ERROR |\
SYSTEM_BUS_FATAL_ERROR |\
CRYPTO_ENGINE_FATAL_ERROR |\
- UIC_LINK_LOST)
+ UIC_LINK_LOST |\
+ UTP_ERROR)
/* HCS - Host Controller Status 30h */
#define DEVICE_PRESENT 0x1