diff options
Diffstat (limited to 'drivers/scsi/ufs/ufshcd-priv.h')
-rw-r--r-- | drivers/scsi/ufs/ufshcd-priv.h | 298 |
1 files changed, 0 insertions, 298 deletions
diff --git a/drivers/scsi/ufs/ufshcd-priv.h b/drivers/scsi/ufs/ufshcd-priv.h deleted file mode 100644 index 38bc77d3dbbd..000000000000 --- a/drivers/scsi/ufs/ufshcd-priv.h +++ /dev/null @@ -1,298 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ - -#ifndef _UFSHCD_PRIV_H_ -#define _UFSHCD_PRIV_H_ - -#include <linux/pm_runtime.h> -#include "ufshcd.h" - -static inline bool ufshcd_is_user_access_allowed(struct ufs_hba *hba) -{ - return !hba->shutting_down; -} - -void ufshcd_schedule_eh_work(struct ufs_hba *hba); - -static inline bool ufshcd_keep_autobkops_enabled_except_suspend( - struct ufs_hba *hba) -{ - return hba->caps & UFSHCD_CAP_KEEP_AUTO_BKOPS_ENABLED_EXCEPT_SUSPEND; -} - -static inline u8 ufshcd_wb_get_query_index(struct ufs_hba *hba) -{ - if (hba->dev_info.wb_buffer_type == WB_BUF_MODE_LU_DEDICATED) - return hba->dev_info.wb_dedicated_lu; - return 0; -} - -#ifdef CONFIG_SCSI_UFS_HWMON -void ufs_hwmon_probe(struct ufs_hba *hba, u8 mask); -void ufs_hwmon_remove(struct ufs_hba *hba); -void ufs_hwmon_notify_event(struct ufs_hba *hba, u8 ee_mask); -#else -static inline void ufs_hwmon_probe(struct ufs_hba *hba, u8 mask) {} -static inline void ufs_hwmon_remove(struct ufs_hba *hba) {} -static inline void ufs_hwmon_notify_event(struct ufs_hba *hba, u8 ee_mask) {} -#endif - -int ufshcd_read_desc_param(struct ufs_hba *hba, - enum desc_idn desc_id, - int desc_index, - u8 param_offset, - u8 *param_read_buf, - u8 param_size); -int ufshcd_query_attr_retry(struct ufs_hba *hba, enum query_opcode opcode, - enum attr_idn idn, u8 index, u8 selector, - u32 *attr_val); -int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode, - enum attr_idn idn, u8 index, u8 selector, u32 *attr_val); -int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode, - enum flag_idn idn, u8 index, bool *flag_res); -void ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit); - -#define SD_ASCII_STD true -#define SD_RAW false -int ufshcd_read_string_desc(struct ufs_hba *hba, u8 desc_index, - u8 **buf, bool ascii); - -int ufshcd_hold(struct ufs_hba *hba, bool async); -void ufshcd_release(struct ufs_hba *hba); - -void ufshcd_map_desc_id_to_length(struct ufs_hba *hba, enum desc_idn desc_id, - int *desc_length); - -int ufshcd_send_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd); - -int ufshcd_exec_raw_upiu_cmd(struct ufs_hba *hba, - struct utp_upiu_req *req_upiu, - struct utp_upiu_req *rsp_upiu, - int msgcode, - u8 *desc_buff, int *buff_len, - enum query_opcode desc_op); - -int ufshcd_wb_toggle(struct ufs_hba *hba, bool enable); - -/* Wrapper functions for safely calling variant operations */ -static inline const char *ufshcd_get_var_name(struct ufs_hba *hba) -{ - if (hba->vops) - return hba->vops->name; - return ""; -} - -static inline void ufshcd_vops_exit(struct ufs_hba *hba) -{ - if (hba->vops && hba->vops->exit) - return hba->vops->exit(hba); -} - -static inline u32 ufshcd_vops_get_ufs_hci_version(struct ufs_hba *hba) -{ - if (hba->vops && hba->vops->get_ufs_hci_version) - return hba->vops->get_ufs_hci_version(hba); - - return ufshcd_readl(hba, REG_UFS_VERSION); -} - -static inline int ufshcd_vops_clk_scale_notify(struct ufs_hba *hba, - bool up, enum ufs_notify_change_status status) -{ - if (hba->vops && hba->vops->clk_scale_notify) - return hba->vops->clk_scale_notify(hba, up, status); - return 0; -} - -static inline void ufshcd_vops_event_notify(struct ufs_hba *hba, - enum ufs_event_type evt, - void *data) -{ - if (hba->vops && hba->vops->event_notify) - hba->vops->event_notify(hba, evt, data); -} - -static inline int ufshcd_vops_setup_clocks(struct ufs_hba *hba, bool on, - enum ufs_notify_change_status status) -{ - if (hba->vops && hba->vops->setup_clocks) - return hba->vops->setup_clocks(hba, on, status); - return 0; -} - -static inline int ufshcd_vops_hce_enable_notify(struct ufs_hba *hba, - bool status) -{ - if (hba->vops && hba->vops->hce_enable_notify) - return hba->vops->hce_enable_notify(hba, status); - - return 0; -} -static inline int ufshcd_vops_link_startup_notify(struct ufs_hba *hba, - bool status) -{ - if (hba->vops && hba->vops->link_startup_notify) - return hba->vops->link_startup_notify(hba, status); - - return 0; -} - -static inline int ufshcd_vops_pwr_change_notify(struct ufs_hba *hba, - enum ufs_notify_change_status status, - struct ufs_pa_layer_attr *dev_max_params, - struct ufs_pa_layer_attr *dev_req_params) -{ - if (hba->vops && hba->vops->pwr_change_notify) - return hba->vops->pwr_change_notify(hba, status, - dev_max_params, dev_req_params); - - return -ENOTSUPP; -} - -static inline void ufshcd_vops_setup_task_mgmt(struct ufs_hba *hba, - int tag, u8 tm_function) -{ - if (hba->vops && hba->vops->setup_task_mgmt) - return hba->vops->setup_task_mgmt(hba, tag, tm_function); -} - -static inline void ufshcd_vops_hibern8_notify(struct ufs_hba *hba, - enum uic_cmd_dme cmd, - enum ufs_notify_change_status status) -{ - if (hba->vops && hba->vops->hibern8_notify) - return hba->vops->hibern8_notify(hba, cmd, status); -} - -static inline int ufshcd_vops_apply_dev_quirks(struct ufs_hba *hba) -{ - if (hba->vops && hba->vops->apply_dev_quirks) - return hba->vops->apply_dev_quirks(hba); - return 0; -} - -static inline void ufshcd_vops_fixup_dev_quirks(struct ufs_hba *hba) -{ - if (hba->vops && hba->vops->fixup_dev_quirks) - hba->vops->fixup_dev_quirks(hba); -} - -static inline int ufshcd_vops_suspend(struct ufs_hba *hba, enum ufs_pm_op op, - enum ufs_notify_change_status status) -{ - if (hba->vops && hba->vops->suspend) - return hba->vops->suspend(hba, op, status); - - return 0; -} - -static inline int ufshcd_vops_resume(struct ufs_hba *hba, enum ufs_pm_op op) -{ - if (hba->vops && hba->vops->resume) - return hba->vops->resume(hba, op); - - return 0; -} - -static inline void ufshcd_vops_dbg_register_dump(struct ufs_hba *hba) -{ - if (hba->vops && hba->vops->dbg_register_dump) - hba->vops->dbg_register_dump(hba); -} - -static inline int ufshcd_vops_device_reset(struct ufs_hba *hba) -{ - if (hba->vops && hba->vops->device_reset) - return hba->vops->device_reset(hba); - - return -EOPNOTSUPP; -} - -static inline void ufshcd_vops_config_scaling_param(struct ufs_hba *hba, - struct devfreq_dev_profile *p, - struct devfreq_simple_ondemand_data *data) -{ - if (hba->vops && hba->vops->config_scaling_param) - hba->vops->config_scaling_param(hba, p, data); -} - -extern struct ufs_pm_lvl_states ufs_pm_lvl_states[]; - -/** - * ufshcd_scsi_to_upiu_lun - maps scsi LUN to UPIU LUN - * @scsi_lun: scsi LUN id - * - * Returns UPIU LUN id - */ -static inline u8 ufshcd_scsi_to_upiu_lun(unsigned int scsi_lun) -{ - if (scsi_is_wlun(scsi_lun)) - return (scsi_lun & UFS_UPIU_MAX_UNIT_NUM_ID) - | UFS_UPIU_WLUN_ID; - else - return scsi_lun & UFS_UPIU_MAX_UNIT_NUM_ID; -} - -int __ufshcd_write_ee_control(struct ufs_hba *hba, u32 ee_ctrl_mask); -int ufshcd_write_ee_control(struct ufs_hba *hba); -int ufshcd_update_ee_control(struct ufs_hba *hba, u16 *mask, u16 *other_mask, - u16 set, u16 clr); - -static inline int ufshcd_update_ee_drv_mask(struct ufs_hba *hba, - u16 set, u16 clr) -{ - return ufshcd_update_ee_control(hba, &hba->ee_drv_mask, - &hba->ee_usr_mask, set, clr); -} - -static inline int ufshcd_update_ee_usr_mask(struct ufs_hba *hba, - u16 set, u16 clr) -{ - return ufshcd_update_ee_control(hba, &hba->ee_usr_mask, - &hba->ee_drv_mask, set, clr); -} - -static inline int ufshcd_rpm_get_sync(struct ufs_hba *hba) -{ - return pm_runtime_get_sync(&hba->ufs_device_wlun->sdev_gendev); -} - -static inline int ufshcd_rpm_put_sync(struct ufs_hba *hba) -{ - return pm_runtime_put_sync(&hba->ufs_device_wlun->sdev_gendev); -} - -static inline void ufshcd_rpm_get_noresume(struct ufs_hba *hba) -{ - pm_runtime_get_noresume(&hba->ufs_device_wlun->sdev_gendev); -} - -static inline int ufshcd_rpm_resume(struct ufs_hba *hba) -{ - return pm_runtime_resume(&hba->ufs_device_wlun->sdev_gendev); -} - -static inline int ufshcd_rpm_put(struct ufs_hba *hba) -{ - return pm_runtime_put(&hba->ufs_device_wlun->sdev_gendev); -} - -/** - * ufs_is_valid_unit_desc_lun - checks if the given LUN has a unit descriptor - * @dev_info: pointer of instance of struct ufs_dev_info - * @lun: LU number to check - * @return: true if the lun has a matching unit descriptor, false otherwise - */ -static inline bool ufs_is_valid_unit_desc_lun(struct ufs_dev_info *dev_info, - u8 lun, u8 param_offset) -{ - if (!dev_info || !dev_info->max_lu_supported) { - pr_err("Max General LU supported by UFS isn't initialized\n"); - return false; - } - /* WB is available only for the logical unit from 0 to 7 */ - if (param_offset == UNIT_DESC_PARAM_WB_BUF_ALLOC_UNITS) - return lun < UFS_UPIU_MAX_WB_LUN_ID; - return lun == UFS_UPIU_RPMB_WLUN || (lun < dev_info->max_lu_supported); -} - -#endif /* _UFSHCD_PRIV_H_ */ |