181 lines
5.9 KiB
C
181 lines
5.9 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
/*
|
||
|
|
* Copyright (C) 2017-2018 Samsung Electronics Co., Ltd.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _UFSFEATURE_H_
|
||
|
|
#define _UFSFEATURE_H_
|
||
|
|
|
||
|
|
#include "ufs.h"
|
||
|
|
#include <scsi/ufs/ufs-mtk-ioctl.h>
|
||
|
|
|
||
|
|
#if defined(CONFIG_SCSI_UFS_HPB)
|
||
|
|
#include "ufshpb.h"
|
||
|
|
#endif
|
||
|
|
#include <scsi/scsi_cmnd.h>
|
||
|
|
|
||
|
|
#if defined(CONFIG_SCSI_UFS_TW)
|
||
|
|
#include "ufstw.h"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Constant value*/
|
||
|
|
#define SECTOR 512
|
||
|
|
#define BLOCK 4096
|
||
|
|
#define SECTORS_PER_BLOCK (BLOCK / SECTOR)
|
||
|
|
#define BITS_PER_DWORD 32
|
||
|
|
|
||
|
|
#define IOCTL_DEV_CTX_MAX_SIZE OS_PAGE_SIZE
|
||
|
|
#define OS_PAGE_SIZE 4096
|
||
|
|
#define OS_PAGE_SHIFT 12
|
||
|
|
|
||
|
|
#define UFSF_QUERY_REQ_RETRIES 1
|
||
|
|
|
||
|
|
/* Description */
|
||
|
|
#define UFSF_QUERY_DESC_DEVICE_MAX_SIZE 0x57
|
||
|
|
#define UFSF_QUERY_DESC_CONFIGURAION_MAX_SIZE 0xE2
|
||
|
|
#define UFSF_QUERY_DESC_UNIT_MAX_SIZE 0x2D
|
||
|
|
#define UFSF_QUERY_DESC_GEOMETRY_MAX_SIZE 0x58
|
||
|
|
|
||
|
|
#define UFSFEATURE_SELECTOR 0x01
|
||
|
|
|
||
|
|
/* Extended UFS Feature Support */
|
||
|
|
#define UFSF_EFS_TURBO_WRITE 0x100
|
||
|
|
|
||
|
|
/* query_flag */
|
||
|
|
#define MASK_QUERY_UPIU_FLAG_LOC 0xFF
|
||
|
|
|
||
|
|
/* BIG -> LI */
|
||
|
|
#define LI_EN_16(x) be16_to_cpu(*(__be16 *)(x))
|
||
|
|
#define LI_EN_32(x) be32_to_cpu(*(__be32 *)(x))
|
||
|
|
#define LI_EN_64(x) be64_to_cpu(*(__be64 *)(x))
|
||
|
|
|
||
|
|
/* LI -> BIG */
|
||
|
|
#define GET_BYTE_0(num) (((num) >> 0) & 0xff)
|
||
|
|
#define GET_BYTE_1(num) (((num) >> 8) & 0xff)
|
||
|
|
#define GET_BYTE_2(num) (((num) >> 16) & 0xff)
|
||
|
|
#define GET_BYTE_3(num) (((num) >> 24) & 0xff)
|
||
|
|
#define GET_BYTE_4(num) (((num) >> 32) & 0xff)
|
||
|
|
#define GET_BYTE_5(num) (((num) >> 40) & 0xff)
|
||
|
|
#define GET_BYTE_6(num) (((num) >> 48) & 0xff)
|
||
|
|
#define GET_BYTE_7(num) (((num) >> 56) & 0xff)
|
||
|
|
|
||
|
|
#define INFO_MSG(msg, args...) printk(KERN_INFO "%s:%d " msg "\n", \
|
||
|
|
__func__, __LINE__, ##args)
|
||
|
|
#define INIT_INFO(msg, args...) INFO_MSG(msg, ##args)
|
||
|
|
#define RELEASE_INFO(msg, args...) INFO_MSG(msg, ##args)
|
||
|
|
#define SYSFS_INFO(msg, args...) INFO_MSG(msg, ##args)
|
||
|
|
#define ERR_MSG(msg, args...) printk(KERN_ERR "%s:%d " msg "\n", \
|
||
|
|
__func__, __LINE__, ##args)
|
||
|
|
#define WARNING_MSG(msg, args...) printk(KERN_WARNING "%s:%d " msg "\n", \
|
||
|
|
__func__, __LINE__, ##args)
|
||
|
|
|
||
|
|
#define seq_scan_lu(lun) for (lun = 0; lun < UFS_UPIU_MAX_GENERAL_LUN; lun++)
|
||
|
|
|
||
|
|
#define TMSG(ufsf, lun, msg, args...) \
|
||
|
|
do { if (ufsf->sdev_ufs_lu[lun] && \
|
||
|
|
ufsf->sdev_ufs_lu[lun]->request_queue) \
|
||
|
|
blk_add_trace_msg( \
|
||
|
|
ufsf->sdev_ufs_lu[lun]->request_queue, \
|
||
|
|
msg, ##args); \
|
||
|
|
} while (0) \
|
||
|
|
|
||
|
|
struct ufsf_lu_desc {
|
||
|
|
/* Common info */
|
||
|
|
int lu_enable; /* 03h bLUEnable */
|
||
|
|
int lu_queue_depth; /* 06h lu queue depth info*/
|
||
|
|
int lu_logblk_size; /* 0Ah bLogicalBlockSize. default 0x0C = 4KB */
|
||
|
|
u64 lu_logblk_cnt; /* 0Bh qLogicalBlockCount. */
|
||
|
|
|
||
|
|
#if defined(CONFIG_SCSI_UFS_HPB)
|
||
|
|
u16 lu_max_active_hpb_rgns; /* 23h:24h wLUMaxActiveHPBRegions */
|
||
|
|
u16 lu_hpb_pinned_rgn_startidx; /* 25h:26h wHPBPinnedRegionStartIdx */
|
||
|
|
u16 lu_num_hpb_pinned_rgns; /* 27h:28h wNumHPBPinnedRegions */
|
||
|
|
int lu_hpb_pinned_end_offset;
|
||
|
|
#endif
|
||
|
|
#if defined(CONFIG_SCSI_UFS_TW)
|
||
|
|
unsigned int tw_lu_buf_size;
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
struct ufsf_feature {
|
||
|
|
struct ufs_hba *hba;
|
||
|
|
int num_lu;
|
||
|
|
int slave_conf_cnt;
|
||
|
|
struct scsi_device *sdev_ufs_lu[UFS_UPIU_MAX_GENERAL_LUN];
|
||
|
|
#if defined(CONFIG_SCSI_UFS_HPB)
|
||
|
|
struct ufshpb_dev_info hpb_dev_info;
|
||
|
|
struct ufshpb_lu *ufshpb_lup[UFS_UPIU_MAX_GENERAL_LUN];
|
||
|
|
struct work_struct ufshpb_init_work;
|
||
|
|
struct work_struct ufshpb_reset_work;
|
||
|
|
struct work_struct ufshpb_eh_work;
|
||
|
|
wait_queue_head_t wait_hpb;
|
||
|
|
int ufshpb_state;
|
||
|
|
struct kref ufshpb_kref;
|
||
|
|
bool issue_ioctl;
|
||
|
|
#endif
|
||
|
|
#if defined(CONFIG_SCSI_UFS_TW)
|
||
|
|
struct ufstw_dev_info tw_dev_info;
|
||
|
|
struct ufstw_lu *tw_lup[UFS_UPIU_MAX_GENERAL_LUN];
|
||
|
|
struct work_struct tw_init_work;
|
||
|
|
struct work_struct tw_reset_work;
|
||
|
|
wait_queue_head_t tw_wait;
|
||
|
|
atomic_t tw_state;
|
||
|
|
struct kref tw_kref;
|
||
|
|
|
||
|
|
/* turbo write exception event control */
|
||
|
|
bool tw_ee_mode;
|
||
|
|
|
||
|
|
/* for debug */
|
||
|
|
bool tw_debug;
|
||
|
|
int tw_debug_no;
|
||
|
|
atomic64_t tw_debug_ee_count;
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
struct ufs_hba;
|
||
|
|
struct ufshcd_lrb;
|
||
|
|
|
||
|
|
void ufsf_device_check(struct ufs_hba *hba);
|
||
|
|
int ufsf_check_query(__u32 opcode);
|
||
|
|
int ufsf_query_ioctl(struct ufsf_feature *ufsf, unsigned int lun,
|
||
|
|
void __user *buffer,
|
||
|
|
struct ufs_ioctl_query_data_hpb *ioctl_data,
|
||
|
|
u8 selector);
|
||
|
|
int ufsf_query_flag_retry(struct ufs_hba *hba, enum query_opcode opcode,
|
||
|
|
enum flag_idn idn, u8 idx, bool *flag_res);
|
||
|
|
int ufsf_query_attr_retry(struct ufs_hba *hba, enum query_opcode opcode,
|
||
|
|
enum attr_idn idn, u8 idx, u32 *attr_val);
|
||
|
|
bool ufsf_is_valid_lun(int lun);
|
||
|
|
int ufsf_get_ee_status(struct ufs_hba *hba, u32 *status);
|
||
|
|
|
||
|
|
/* for hpb */
|
||
|
|
int ufsf_hpb_prepare_pre_req(struct ufsf_feature *ufsf, struct scsi_cmnd *cmd,
|
||
|
|
int lun);
|
||
|
|
int ufsf_hpb_prepare_add_lrbp(struct ufsf_feature *ufsf, int add_tag);
|
||
|
|
void ufsf_hpb_end_pre_req(struct ufsf_feature *ufsf, struct request *req);
|
||
|
|
void ufsf_hpb_change_lun(struct ufsf_feature *ufsf, struct ufshcd_lrb *lrbp);
|
||
|
|
void ufsf_hpb_prep_fn(struct ufsf_feature *ufsf, struct ufshcd_lrb *lrbp);
|
||
|
|
void ufsf_hpb_noti_rb(struct ufsf_feature *ufsf, struct ufshcd_lrb *lrbp);
|
||
|
|
void ufsf_hpb_reset_lu(struct ufsf_feature *ufsf);
|
||
|
|
void ufsf_hpb_reset_host(struct ufsf_feature *ufsf);
|
||
|
|
void ufsf_hpb_init(struct ufsf_feature *ufsf);
|
||
|
|
void ufsf_hpb_reset(struct ufsf_feature *ufsf);
|
||
|
|
void ufsf_hpb_suspend(struct ufsf_feature *ufsf);
|
||
|
|
void ufsf_hpb_resume(struct ufsf_feature *ufsf);
|
||
|
|
void ufsf_hpb_release(struct ufsf_feature *ufsf);
|
||
|
|
void ufsf_hpb_set_init_state(struct ufsf_feature *ufsf);
|
||
|
|
|
||
|
|
/* for tw*/
|
||
|
|
void ufsf_tw_prep_fn(struct ufsf_feature *ufsf, struct ufshcd_lrb *lrbp);
|
||
|
|
void ufsf_tw_init(struct ufsf_feature *ufsf);
|
||
|
|
void ufsf_tw_reset(struct ufsf_feature *ufsf);
|
||
|
|
int ufsf_tw_check_flush(struct ufsf_feature *ufsf);
|
||
|
|
void ufsf_tw_suspend(struct ufsf_feature *ufsf);
|
||
|
|
void ufsf_tw_resume(struct ufsf_feature *ufsf);
|
||
|
|
void ufsf_tw_release(struct ufsf_feature *ufsf);
|
||
|
|
void ufsf_tw_set_init_state(struct ufsf_feature *ufsf);
|
||
|
|
void ufsf_tw_reset_lu(struct ufsf_feature *ufsf);
|
||
|
|
void ufsf_tw_reset_host(struct ufsf_feature *ufsf);
|
||
|
|
void ufsf_tw_ee_handler(struct ufsf_feature *ufsf);
|
||
|
|
#endif /* End of Header */
|