287 lines
9.5 KiB
C
287 lines
9.5 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
/*
|
||
|
|
* Samsung Specific feature : sysfs-nodes
|
||
|
|
*
|
||
|
|
* Copyright (C) 2021 Samsung Electronics Co., Ltd.
|
||
|
|
*
|
||
|
|
* Authors:
|
||
|
|
* Storage Driver <storage.sec@samsung.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __UFS_SEC_SYSFS_H__
|
||
|
|
#define __UFS_SEC_SYSFS_H__
|
||
|
|
|
||
|
|
#include <linux/sec_class.h>
|
||
|
|
#include <linux/sec_debug.h>
|
||
|
|
|
||
|
|
#include "ufs-sec-feature.h"
|
||
|
|
|
||
|
|
void ufs_sysfs_add_sec_nodes(struct ufs_hba *hba);
|
||
|
|
void ufs_sysfs_remove_sec_nodes(struct ufs_hba *hba);
|
||
|
|
|
||
|
|
extern struct ufs_vendor_dev_info ufs_vdi;
|
||
|
|
extern struct ufs_sec_err_info ufs_err_info;
|
||
|
|
extern struct ufs_sec_err_info ufs_err_info_backup;
|
||
|
|
extern struct ufs_sec_err_info ufs_err_hist;
|
||
|
|
extern struct ufs_sec_wb_info ufs_wb;
|
||
|
|
extern struct ufs_sec_feature_info ufs_sec_features;
|
||
|
|
|
||
|
|
/* UFSHCD states : in ufshcd.c */
|
||
|
|
enum {
|
||
|
|
UFSHCD_STATE_RESET,
|
||
|
|
UFSHCD_STATE_ERROR,
|
||
|
|
UFSHCD_STATE_OPERATIONAL,
|
||
|
|
UFSHCD_STATE_EH_SCHEDULED_FATAL,
|
||
|
|
UFSHCD_STATE_EH_SCHEDULED_NON_FATAL,
|
||
|
|
};
|
||
|
|
|
||
|
|
/* UFSHCD UIC layer error flags : in ufshcd.c */
|
||
|
|
enum {
|
||
|
|
UFSHCD_UIC_DL_PA_INIT_ERROR = (1 << 0), /* Data link layer error */
|
||
|
|
UFSHCD_UIC_DL_NAC_RECEIVED_ERROR = (1 << 1), /* Data link layer error */
|
||
|
|
UFSHCD_UIC_DL_TCx_REPLAY_ERROR = (1 << 2), /* Data link layer error */
|
||
|
|
UFSHCD_UIC_NL_ERROR = (1 << 3), /* Network layer error */
|
||
|
|
UFSHCD_UIC_TL_ERROR = (1 << 4), /* Transport Layer error */
|
||
|
|
UFSHCD_UIC_DME_ERROR = (1 << 5), /* DME error */
|
||
|
|
UFSHCD_UIC_PA_GENERIC_ERROR = (1 << 6), /* Generic PA error */
|
||
|
|
};
|
||
|
|
struct SEC_UFS_op_count {
|
||
|
|
unsigned int HW_RESET_count;
|
||
|
|
unsigned int link_startup_count;
|
||
|
|
unsigned int Hibern8_enter_count;
|
||
|
|
unsigned int Hibern8_exit_count;
|
||
|
|
unsigned int op_err;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct SEC_UFS_UIC_cmd_count {
|
||
|
|
u8 DME_GET_err;
|
||
|
|
u8 DME_SET_err;
|
||
|
|
u8 DME_PEER_GET_err;
|
||
|
|
u8 DME_PEER_SET_err;
|
||
|
|
u8 DME_POWERON_err;
|
||
|
|
u8 DME_POWEROFF_err;
|
||
|
|
u8 DME_ENABLE_err;
|
||
|
|
u8 DME_RESET_err;
|
||
|
|
u8 DME_END_PT_RST_err;
|
||
|
|
u8 DME_LINK_STARTUP_err;
|
||
|
|
u8 DME_HIBER_ENTER_err;
|
||
|
|
u8 DME_HIBER_EXIT_err;
|
||
|
|
u8 DME_TEST_MODE_err;
|
||
|
|
unsigned int UIC_cmd_err;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct SEC_UFS_UIC_err_count {
|
||
|
|
u8 PA_ERR_cnt;
|
||
|
|
u8 DL_PA_INIT_ERROR_cnt;
|
||
|
|
u8 DL_NAC_RECEIVED_ERROR_cnt;
|
||
|
|
u8 DL_TC_REPLAY_ERROR_cnt;
|
||
|
|
u8 NL_ERROR_cnt;
|
||
|
|
u8 TL_ERROR_cnt;
|
||
|
|
u8 DME_ERROR_cnt;
|
||
|
|
unsigned int UIC_err;
|
||
|
|
unsigned int PA_ERR_linereset;
|
||
|
|
unsigned int PA_ERR_lane[3];
|
||
|
|
};
|
||
|
|
|
||
|
|
struct SEC_UFS_Fatal_err_count {
|
||
|
|
u8 DFE; // Device_Fatal
|
||
|
|
u8 CFE; // Controller_Fatal
|
||
|
|
u8 SBFE; // System_Bus_Fatal
|
||
|
|
u8 CEFE; // Crypto_Engine_Fatal
|
||
|
|
u8 LLE; // Link Lost
|
||
|
|
unsigned int Fatal_err;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct SEC_UFS_UTP_count {
|
||
|
|
u8 UTMR_query_task_count;
|
||
|
|
u8 UTMR_abort_task_count;
|
||
|
|
u8 UTMR_logical_reset_count;
|
||
|
|
u8 UTR_read_err;
|
||
|
|
u8 UTR_write_err;
|
||
|
|
u8 UTR_sync_cache_err;
|
||
|
|
u8 UTR_unmap_err;
|
||
|
|
u8 UTR_etc_err;
|
||
|
|
unsigned int UTP_err;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct SEC_UFS_QUERY_count {
|
||
|
|
u8 NOP_err;
|
||
|
|
u8 R_Desc_err;
|
||
|
|
u8 W_Desc_err;
|
||
|
|
u8 R_Attr_err;
|
||
|
|
u8 W_Attr_err;
|
||
|
|
u8 R_Flag_err;
|
||
|
|
u8 Set_Flag_err;
|
||
|
|
u8 Clear_Flag_err;
|
||
|
|
u8 Toggle_Flag_err;
|
||
|
|
unsigned int Query_err;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct SEC_SCSI_SENSE_count {
|
||
|
|
unsigned int scsi_medium_err;
|
||
|
|
unsigned int scsi_hw_err;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define SEC_MAX_LBA_LOGGING 10
|
||
|
|
#define SEC_ISSUE_REGION_STEP (250*1024/4) /* 250MB : 1 LBA = 4KB */
|
||
|
|
struct SEC_SCSI_SENSE_err_log {
|
||
|
|
unsigned long issue_LBA_list[SEC_MAX_LBA_LOGGING];
|
||
|
|
unsigned int issue_LBA_count;
|
||
|
|
u64 issue_region_map;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct ufs_sec_err_info {
|
||
|
|
struct SEC_UFS_op_count op_count;
|
||
|
|
struct SEC_UFS_UIC_cmd_count UIC_cmd_count;
|
||
|
|
struct SEC_UFS_UIC_err_count UIC_err_count;
|
||
|
|
struct SEC_UFS_Fatal_err_count Fatal_err_count;
|
||
|
|
struct SEC_UFS_UTP_count UTP_count;
|
||
|
|
struct SEC_UFS_QUERY_count query_count;
|
||
|
|
struct SEC_SCSI_SENSE_count sense_count;
|
||
|
|
struct SEC_SCSI_SENSE_err_log sense_err_log;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define SEC_UFS_ERR_INFO_BACKUP(err_count, member) ({ \
|
||
|
|
ufs_err_info_backup.err_count.member += ufs_err_info.err_count.member; \
|
||
|
|
ufs_err_info.err_count.member = 0; })
|
||
|
|
|
||
|
|
/* Get the sum of error count about current booting */
|
||
|
|
#define SEC_UFS_ERR_INFO_GET_VALUE(err_count, member) \
|
||
|
|
(ufs_err_info_backup.err_count.member + ufs_err_info.err_count.member)
|
||
|
|
|
||
|
|
/* Get the sum of error count about current and previous booting */
|
||
|
|
#define SEC_UFS_ERR_INFO_HIST_SUM_GET_VALUE(err_count, member) \
|
||
|
|
(SEC_UFS_ERR_INFO_GET_VALUE(err_count, member) + ufs_err_hist.err_count.member)
|
||
|
|
|
||
|
|
#define SEC_UFS_ERR_INFO_HIST_SET_VALUE(err_count, member, value) \
|
||
|
|
(ufs_err_hist.err_count.member = (value - '0'))
|
||
|
|
|
||
|
|
#define SEC_UFS_DATA_ATTR_RO(name, fmt, args...) \
|
||
|
|
static ssize_t name##_show(struct device *dev, struct device_attribute *attr, char *buf) \
|
||
|
|
{ \
|
||
|
|
return sprintf(buf, fmt, args); \
|
||
|
|
} \
|
||
|
|
static DEVICE_ATTR_RO(name)
|
||
|
|
|
||
|
|
/* store function has to be defined */
|
||
|
|
#define SEC_UFS_DATA_ATTR_RW(name, fmt, args...) \
|
||
|
|
static ssize_t name##_show(struct device *dev, struct device_attribute *attr, char *buf) \
|
||
|
|
{ \
|
||
|
|
return sprintf(buf, fmt, args); \
|
||
|
|
} \
|
||
|
|
static DEVICE_ATTR(name, 0664, name##_show, name##_store)
|
||
|
|
|
||
|
|
#define SEC_UFS_ERR_COUNT_INC(count, max) ((count) += ((count) < (max)) ? 1 : 0)
|
||
|
|
|
||
|
|
/* UFS SEC WB */
|
||
|
|
#define SEC_UFS_WB_DATA_ATTR(name, fmt, member) \
|
||
|
|
static ssize_t ufs_sec_##name##_show(struct device *dev, \
|
||
|
|
struct device_attribute *attr, char *buf) \
|
||
|
|
{ \
|
||
|
|
struct ufs_sec_wb_info *wb_info = &ufs_wb; \
|
||
|
|
return sprintf(buf, fmt, wb_info->member); \
|
||
|
|
} \
|
||
|
|
static ssize_t ufs_sec_##name##_store(struct device *dev, \
|
||
|
|
struct device_attribute *attr, const char *buf, \
|
||
|
|
size_t count) \
|
||
|
|
{ \
|
||
|
|
u32 value; \
|
||
|
|
struct ufs_sec_wb_info *wb_info = &ufs_wb; \
|
||
|
|
\
|
||
|
|
if (kstrtou32(buf, 0, &value)) \
|
||
|
|
return -EINVAL; \
|
||
|
|
\
|
||
|
|
wb_info->member = value; \
|
||
|
|
\
|
||
|
|
return count; \
|
||
|
|
} \
|
||
|
|
static DEVICE_ATTR(name, 0664, ufs_sec_##name##_show, ufs_sec_##name##_store)
|
||
|
|
|
||
|
|
#define SEC_UFS_WB_TIME_ATTR(name, fmt, member) \
|
||
|
|
static ssize_t ufs_sec_##name##_show(struct device *dev, \
|
||
|
|
struct device_attribute *attr, char *buf) \
|
||
|
|
{ \
|
||
|
|
struct ufs_sec_wb_info *wb_info = &ufs_wb; \
|
||
|
|
return sprintf(buf, fmt, jiffies_to_msecs(wb_info->member)); \
|
||
|
|
} \
|
||
|
|
static ssize_t ufs_sec_##name##_store(struct device *dev, \
|
||
|
|
struct device_attribute *attr, const char *buf, \
|
||
|
|
size_t count) \
|
||
|
|
{ \
|
||
|
|
u32 value; \
|
||
|
|
struct ufs_sec_wb_info *wb_info = &ufs_wb; \
|
||
|
|
\
|
||
|
|
if (kstrtou32(buf, 0, &value)) \
|
||
|
|
return -EINVAL; \
|
||
|
|
\
|
||
|
|
wb_info->member = msecs_to_jiffies(value); \
|
||
|
|
\
|
||
|
|
return count; \
|
||
|
|
} \
|
||
|
|
static DEVICE_ATTR(name, 0664, ufs_sec_##name##_show, ufs_sec_##name##_store)
|
||
|
|
|
||
|
|
#define SEC_UFS_WB_DATA_RO_ATTR(name, fmt, args...) \
|
||
|
|
static ssize_t ufs_sec_##name##_show(struct device *dev, \
|
||
|
|
struct device_attribute *attr, char *buf) \
|
||
|
|
{ \
|
||
|
|
return sprintf(buf, fmt, args); \
|
||
|
|
} \
|
||
|
|
static DEVICE_ATTR(name, 0444, ufs_sec_##name##_show, NULL)
|
||
|
|
|
||
|
|
#define get_min_errinfo(type, min_val, err_count, member) \
|
||
|
|
min_t(type, min_val, SEC_UFS_ERR_INFO_GET_VALUE(err_count, member))
|
||
|
|
|
||
|
|
#define get_min_errinfo_hist(type, min_val, err_count, member) \
|
||
|
|
min_t(type, min_val, SEC_UFS_ERR_INFO_HIST_SUM_GET_VALUE(err_count, member))
|
||
|
|
|
||
|
|
#define ERR_SUM_SIZE 25
|
||
|
|
#define ERR_HIST_SUM_SIZE 26
|
||
|
|
/**
|
||
|
|
* UFS Error Information
|
||
|
|
*
|
||
|
|
* Format : U0I0H0L0X0Q0R0W0F0SM0SH0
|
||
|
|
* U : UTP cmd error count
|
||
|
|
* I : UIC error count
|
||
|
|
* H : HWRESET count
|
||
|
|
* L : Link startup failure count
|
||
|
|
* X : Link Lost Error count
|
||
|
|
* Q : UTMR QUERY_TASK error count
|
||
|
|
* R : READ error count
|
||
|
|
* W : WRITE error count
|
||
|
|
* F : Device Fatal Error count
|
||
|
|
* SM : Sense Medium error count
|
||
|
|
* SH : Sense Hardware error count
|
||
|
|
**/
|
||
|
|
#define SEC_UFS_ERR_SUM(buf) \
|
||
|
|
sprintf(buf, "U%uI%uH%uL%uX%uQ%uR%uW%uF%uSM%uSH%u", \
|
||
|
|
get_min_errinfo(u32, 9, UTP_count, UTP_err), \
|
||
|
|
get_min_errinfo(u32, 9, UIC_err_count, UIC_err), \
|
||
|
|
get_min_errinfo(u32, 9, op_count, HW_RESET_count), \
|
||
|
|
get_min_errinfo(u32, 9, op_count, link_startup_count), \
|
||
|
|
get_min_errinfo(u8, 9, Fatal_err_count, LLE), \
|
||
|
|
get_min_errinfo(u8, 9, UTP_count, UTMR_query_task_count), \
|
||
|
|
get_min_errinfo(u8, 9, UTP_count, UTR_read_err), \
|
||
|
|
get_min_errinfo(u8, 9, UTP_count, UTR_write_err), \
|
||
|
|
get_min_errinfo(u8, 9, Fatal_err_count, DFE), \
|
||
|
|
get_min_errinfo(u32, 9, sense_count, scsi_medium_err), \
|
||
|
|
get_min_errinfo(u32, 9, sense_count, scsi_hw_err))
|
||
|
|
/**
|
||
|
|
* UFS Error Information
|
||
|
|
* previous boot's error count + current boot's error count
|
||
|
|
**/
|
||
|
|
#define SEC_UFS_ERR_HIST_SUM(buf) \
|
||
|
|
sprintf(buf, "U%uI%uH%uL%uX%uQ%uR%uW%uF%uSM%uSH%u\n", \
|
||
|
|
get_min_errinfo_hist(u32, 9, UTP_count, UTP_err), \
|
||
|
|
get_min_errinfo_hist(u32, 9, UIC_err_count, UIC_err), \
|
||
|
|
get_min_errinfo_hist(u32, 9, op_count, HW_RESET_count), \
|
||
|
|
get_min_errinfo_hist(u32, 9, op_count, link_startup_count), \
|
||
|
|
get_min_errinfo_hist(u8, 9, Fatal_err_count, LLE), \
|
||
|
|
get_min_errinfo_hist(u8, 9, UTP_count, UTMR_query_task_count), \
|
||
|
|
get_min_errinfo_hist(u8, 9, UTP_count, UTR_read_err), \
|
||
|
|
get_min_errinfo_hist(u8, 9, UTP_count, UTR_write_err), \
|
||
|
|
get_min_errinfo_hist(u8, 9, Fatal_err_count, DFE), \
|
||
|
|
get_min_errinfo_hist(u32, 9, sense_count, scsi_medium_err), \
|
||
|
|
get_min_errinfo_hist(u32, 9, sense_count, scsi_hw_err))
|
||
|
|
|
||
|
|
#endif
|