mirror of https://gitee.com/openkylin/linux.git
880 lines
30 KiB
C
880 lines
30 KiB
C
// SPDX-License-Identifier: GPL-2.0
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// Copyright (C) 2018 Western Digital Corporation
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#include <linux/err.h>
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#include <linux/string.h>
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#include <linux/bitfield.h>
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#include <asm/unaligned.h>
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#include "ufs.h"
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#include "ufs-sysfs.h"
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static const char *ufschd_uic_link_state_to_string(
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enum uic_link_state state)
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{
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switch (state) {
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case UIC_LINK_OFF_STATE: return "OFF";
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case UIC_LINK_ACTIVE_STATE: return "ACTIVE";
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case UIC_LINK_HIBERN8_STATE: return "HIBERN8";
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case UIC_LINK_BROKEN_STATE: return "BROKEN";
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default: return "UNKNOWN";
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}
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}
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static const char *ufschd_ufs_dev_pwr_mode_to_string(
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enum ufs_dev_pwr_mode state)
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{
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switch (state) {
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case UFS_ACTIVE_PWR_MODE: return "ACTIVE";
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case UFS_SLEEP_PWR_MODE: return "SLEEP";
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case UFS_POWERDOWN_PWR_MODE: return "POWERDOWN";
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default: return "UNKNOWN";
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}
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}
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static inline ssize_t ufs_sysfs_pm_lvl_store(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count,
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bool rpm)
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{
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struct ufs_hba *hba = dev_get_drvdata(dev);
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unsigned long flags, value;
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if (kstrtoul(buf, 0, &value))
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return -EINVAL;
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if (value >= UFS_PM_LVL_MAX)
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return -EINVAL;
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spin_lock_irqsave(hba->host->host_lock, flags);
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if (rpm)
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hba->rpm_lvl = value;
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else
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hba->spm_lvl = value;
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spin_unlock_irqrestore(hba->host->host_lock, flags);
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return count;
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}
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static ssize_t rpm_lvl_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct ufs_hba *hba = dev_get_drvdata(dev);
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return sprintf(buf, "%d\n", hba->rpm_lvl);
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}
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static ssize_t rpm_lvl_store(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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return ufs_sysfs_pm_lvl_store(dev, attr, buf, count, true);
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}
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static ssize_t rpm_target_dev_state_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct ufs_hba *hba = dev_get_drvdata(dev);
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return sprintf(buf, "%s\n", ufschd_ufs_dev_pwr_mode_to_string(
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ufs_pm_lvl_states[hba->rpm_lvl].dev_state));
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}
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static ssize_t rpm_target_link_state_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct ufs_hba *hba = dev_get_drvdata(dev);
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return sprintf(buf, "%s\n", ufschd_uic_link_state_to_string(
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ufs_pm_lvl_states[hba->rpm_lvl].link_state));
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}
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static ssize_t spm_lvl_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct ufs_hba *hba = dev_get_drvdata(dev);
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return sprintf(buf, "%d\n", hba->spm_lvl);
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}
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static ssize_t spm_lvl_store(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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return ufs_sysfs_pm_lvl_store(dev, attr, buf, count, false);
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}
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static ssize_t spm_target_dev_state_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct ufs_hba *hba = dev_get_drvdata(dev);
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return sprintf(buf, "%s\n", ufschd_ufs_dev_pwr_mode_to_string(
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ufs_pm_lvl_states[hba->spm_lvl].dev_state));
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}
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static ssize_t spm_target_link_state_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct ufs_hba *hba = dev_get_drvdata(dev);
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return sprintf(buf, "%s\n", ufschd_uic_link_state_to_string(
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ufs_pm_lvl_states[hba->spm_lvl].link_state));
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}
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/* Convert Auto-Hibernate Idle Timer register value to microseconds */
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static int ufshcd_ahit_to_us(u32 ahit)
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{
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int timer = FIELD_GET(UFSHCI_AHIBERN8_TIMER_MASK, ahit);
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int scale = FIELD_GET(UFSHCI_AHIBERN8_SCALE_MASK, ahit);
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for (; scale > 0; --scale)
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timer *= UFSHCI_AHIBERN8_SCALE_FACTOR;
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return timer;
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}
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/* Convert microseconds to Auto-Hibernate Idle Timer register value */
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static u32 ufshcd_us_to_ahit(unsigned int timer)
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{
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unsigned int scale;
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for (scale = 0; timer > UFSHCI_AHIBERN8_TIMER_MASK; ++scale)
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timer /= UFSHCI_AHIBERN8_SCALE_FACTOR;
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return FIELD_PREP(UFSHCI_AHIBERN8_TIMER_MASK, timer) |
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FIELD_PREP(UFSHCI_AHIBERN8_SCALE_MASK, scale);
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}
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static ssize_t auto_hibern8_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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u32 ahit;
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struct ufs_hba *hba = dev_get_drvdata(dev);
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if (!ufshcd_is_auto_hibern8_supported(hba))
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return -EOPNOTSUPP;
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pm_runtime_get_sync(hba->dev);
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ufshcd_hold(hba, false);
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ahit = ufshcd_readl(hba, REG_AUTO_HIBERNATE_IDLE_TIMER);
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ufshcd_release(hba);
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pm_runtime_put_sync(hba->dev);
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return scnprintf(buf, PAGE_SIZE, "%d\n", ufshcd_ahit_to_us(ahit));
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}
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static ssize_t auto_hibern8_store(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct ufs_hba *hba = dev_get_drvdata(dev);
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unsigned int timer;
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if (!ufshcd_is_auto_hibern8_supported(hba))
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return -EOPNOTSUPP;
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if (kstrtouint(buf, 0, &timer))
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return -EINVAL;
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if (timer > UFSHCI_AHIBERN8_MAX)
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return -EINVAL;
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ufshcd_auto_hibern8_update(hba, ufshcd_us_to_ahit(timer));
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return count;
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}
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static DEVICE_ATTR_RW(rpm_lvl);
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static DEVICE_ATTR_RO(rpm_target_dev_state);
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static DEVICE_ATTR_RO(rpm_target_link_state);
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static DEVICE_ATTR_RW(spm_lvl);
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static DEVICE_ATTR_RO(spm_target_dev_state);
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static DEVICE_ATTR_RO(spm_target_link_state);
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static DEVICE_ATTR_RW(auto_hibern8);
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static struct attribute *ufs_sysfs_ufshcd_attrs[] = {
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&dev_attr_rpm_lvl.attr,
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&dev_attr_rpm_target_dev_state.attr,
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&dev_attr_rpm_target_link_state.attr,
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&dev_attr_spm_lvl.attr,
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&dev_attr_spm_target_dev_state.attr,
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&dev_attr_spm_target_link_state.attr,
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&dev_attr_auto_hibern8.attr,
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NULL
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};
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static const struct attribute_group ufs_sysfs_default_group = {
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.attrs = ufs_sysfs_ufshcd_attrs,
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};
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static ssize_t ufs_sysfs_read_desc_param(struct ufs_hba *hba,
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enum desc_idn desc_id,
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u8 desc_index,
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u8 param_offset,
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u8 *sysfs_buf,
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u8 param_size)
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{
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u8 desc_buf[8] = {0};
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int ret;
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if (param_size > 8)
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return -EINVAL;
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pm_runtime_get_sync(hba->dev);
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ret = ufshcd_read_desc_param(hba, desc_id, desc_index,
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param_offset, desc_buf, param_size);
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pm_runtime_put_sync(hba->dev);
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if (ret)
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return -EINVAL;
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switch (param_size) {
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case 1:
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ret = sprintf(sysfs_buf, "0x%02X\n", *desc_buf);
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break;
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case 2:
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ret = sprintf(sysfs_buf, "0x%04X\n",
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get_unaligned_be16(desc_buf));
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break;
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case 4:
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ret = sprintf(sysfs_buf, "0x%08X\n",
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get_unaligned_be32(desc_buf));
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break;
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case 8:
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ret = sprintf(sysfs_buf, "0x%016llX\n",
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get_unaligned_be64(desc_buf));
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break;
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}
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return ret;
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}
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#define UFS_DESC_PARAM(_name, _puname, _duname, _size) \
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static ssize_t _name##_show(struct device *dev, \
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struct device_attribute *attr, char *buf) \
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{ \
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struct ufs_hba *hba = dev_get_drvdata(dev); \
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return ufs_sysfs_read_desc_param(hba, QUERY_DESC_IDN_##_duname, \
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0, _duname##_DESC_PARAM##_puname, buf, _size); \
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} \
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static DEVICE_ATTR_RO(_name)
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#define UFS_DEVICE_DESC_PARAM(_name, _uname, _size) \
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UFS_DESC_PARAM(_name, _uname, DEVICE, _size)
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UFS_DEVICE_DESC_PARAM(device_type, _DEVICE_TYPE, 1);
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UFS_DEVICE_DESC_PARAM(device_class, _DEVICE_CLASS, 1);
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UFS_DEVICE_DESC_PARAM(device_sub_class, _DEVICE_SUB_CLASS, 1);
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UFS_DEVICE_DESC_PARAM(protocol, _PRTCL, 1);
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UFS_DEVICE_DESC_PARAM(number_of_luns, _NUM_LU, 1);
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UFS_DEVICE_DESC_PARAM(number_of_wluns, _NUM_WLU, 1);
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UFS_DEVICE_DESC_PARAM(boot_enable, _BOOT_ENBL, 1);
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UFS_DEVICE_DESC_PARAM(descriptor_access_enable, _DESC_ACCSS_ENBL, 1);
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UFS_DEVICE_DESC_PARAM(initial_power_mode, _INIT_PWR_MODE, 1);
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UFS_DEVICE_DESC_PARAM(high_priority_lun, _HIGH_PR_LUN, 1);
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UFS_DEVICE_DESC_PARAM(secure_removal_type, _SEC_RMV_TYPE, 1);
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UFS_DEVICE_DESC_PARAM(support_security_lun, _SEC_LU, 1);
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UFS_DEVICE_DESC_PARAM(bkops_termination_latency, _BKOP_TERM_LT, 1);
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UFS_DEVICE_DESC_PARAM(initial_active_icc_level, _ACTVE_ICC_LVL, 1);
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UFS_DEVICE_DESC_PARAM(specification_version, _SPEC_VER, 2);
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UFS_DEVICE_DESC_PARAM(manufacturing_date, _MANF_DATE, 2);
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UFS_DEVICE_DESC_PARAM(manufacturer_id, _MANF_ID, 2);
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UFS_DEVICE_DESC_PARAM(rtt_capability, _RTT_CAP, 1);
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UFS_DEVICE_DESC_PARAM(rtc_update, _FRQ_RTC, 2);
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UFS_DEVICE_DESC_PARAM(ufs_features, _UFS_FEAT, 1);
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UFS_DEVICE_DESC_PARAM(ffu_timeout, _FFU_TMT, 1);
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UFS_DEVICE_DESC_PARAM(queue_depth, _Q_DPTH, 1);
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UFS_DEVICE_DESC_PARAM(device_version, _DEV_VER, 2);
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UFS_DEVICE_DESC_PARAM(number_of_secure_wpa, _NUM_SEC_WPA, 1);
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UFS_DEVICE_DESC_PARAM(psa_max_data_size, _PSA_MAX_DATA, 4);
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UFS_DEVICE_DESC_PARAM(psa_state_timeout, _PSA_TMT, 1);
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UFS_DEVICE_DESC_PARAM(ext_feature_sup, _EXT_UFS_FEATURE_SUP, 4);
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UFS_DEVICE_DESC_PARAM(wb_presv_us_en, _WB_PRESRV_USRSPC_EN, 1);
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UFS_DEVICE_DESC_PARAM(wb_type, _WB_TYPE, 1);
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UFS_DEVICE_DESC_PARAM(wb_shared_alloc_units, _WB_SHARED_ALLOC_UNITS, 4);
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static struct attribute *ufs_sysfs_device_descriptor[] = {
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&dev_attr_device_type.attr,
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&dev_attr_device_class.attr,
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&dev_attr_device_sub_class.attr,
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&dev_attr_protocol.attr,
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&dev_attr_number_of_luns.attr,
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&dev_attr_number_of_wluns.attr,
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&dev_attr_boot_enable.attr,
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&dev_attr_descriptor_access_enable.attr,
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&dev_attr_initial_power_mode.attr,
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&dev_attr_high_priority_lun.attr,
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&dev_attr_secure_removal_type.attr,
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&dev_attr_support_security_lun.attr,
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&dev_attr_bkops_termination_latency.attr,
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&dev_attr_initial_active_icc_level.attr,
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&dev_attr_specification_version.attr,
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&dev_attr_manufacturing_date.attr,
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&dev_attr_manufacturer_id.attr,
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&dev_attr_rtt_capability.attr,
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&dev_attr_rtc_update.attr,
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&dev_attr_ufs_features.attr,
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&dev_attr_ffu_timeout.attr,
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&dev_attr_queue_depth.attr,
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&dev_attr_device_version.attr,
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&dev_attr_number_of_secure_wpa.attr,
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&dev_attr_psa_max_data_size.attr,
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&dev_attr_psa_state_timeout.attr,
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&dev_attr_ext_feature_sup.attr,
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&dev_attr_wb_presv_us_en.attr,
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&dev_attr_wb_type.attr,
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&dev_attr_wb_shared_alloc_units.attr,
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NULL,
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};
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static const struct attribute_group ufs_sysfs_device_descriptor_group = {
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.name = "device_descriptor",
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.attrs = ufs_sysfs_device_descriptor,
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};
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#define UFS_INTERCONNECT_DESC_PARAM(_name, _uname, _size) \
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UFS_DESC_PARAM(_name, _uname, INTERCONNECT, _size)
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UFS_INTERCONNECT_DESC_PARAM(unipro_version, _UNIPRO_VER, 2);
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UFS_INTERCONNECT_DESC_PARAM(mphy_version, _MPHY_VER, 2);
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static struct attribute *ufs_sysfs_interconnect_descriptor[] = {
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&dev_attr_unipro_version.attr,
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&dev_attr_mphy_version.attr,
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NULL,
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};
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static const struct attribute_group ufs_sysfs_interconnect_descriptor_group = {
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.name = "interconnect_descriptor",
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.attrs = ufs_sysfs_interconnect_descriptor,
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};
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#define UFS_GEOMETRY_DESC_PARAM(_name, _uname, _size) \
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UFS_DESC_PARAM(_name, _uname, GEOMETRY, _size)
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UFS_GEOMETRY_DESC_PARAM(raw_device_capacity, _DEV_CAP, 8);
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UFS_GEOMETRY_DESC_PARAM(max_number_of_luns, _MAX_NUM_LUN, 1);
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UFS_GEOMETRY_DESC_PARAM(segment_size, _SEG_SIZE, 4);
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UFS_GEOMETRY_DESC_PARAM(allocation_unit_size, _ALLOC_UNIT_SIZE, 1);
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UFS_GEOMETRY_DESC_PARAM(min_addressable_block_size, _MIN_BLK_SIZE, 1);
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UFS_GEOMETRY_DESC_PARAM(optimal_read_block_size, _OPT_RD_BLK_SIZE, 1);
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UFS_GEOMETRY_DESC_PARAM(optimal_write_block_size, _OPT_WR_BLK_SIZE, 1);
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UFS_GEOMETRY_DESC_PARAM(max_in_buffer_size, _MAX_IN_BUF_SIZE, 1);
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UFS_GEOMETRY_DESC_PARAM(max_out_buffer_size, _MAX_OUT_BUF_SIZE, 1);
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UFS_GEOMETRY_DESC_PARAM(rpmb_rw_size, _RPMB_RW_SIZE, 1);
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UFS_GEOMETRY_DESC_PARAM(dyn_capacity_resource_policy, _DYN_CAP_RSRC_PLC, 1);
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UFS_GEOMETRY_DESC_PARAM(data_ordering, _DATA_ORDER, 1);
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UFS_GEOMETRY_DESC_PARAM(max_number_of_contexts, _MAX_NUM_CTX, 1);
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UFS_GEOMETRY_DESC_PARAM(sys_data_tag_unit_size, _TAG_UNIT_SIZE, 1);
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UFS_GEOMETRY_DESC_PARAM(sys_data_tag_resource_size, _TAG_RSRC_SIZE, 1);
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UFS_GEOMETRY_DESC_PARAM(secure_removal_types, _SEC_RM_TYPES, 1);
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UFS_GEOMETRY_DESC_PARAM(memory_types, _MEM_TYPES, 2);
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UFS_GEOMETRY_DESC_PARAM(sys_code_memory_max_alloc_units,
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_SCM_MAX_NUM_UNITS, 4);
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UFS_GEOMETRY_DESC_PARAM(sys_code_memory_capacity_adjustment_factor,
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_SCM_CAP_ADJ_FCTR, 2);
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UFS_GEOMETRY_DESC_PARAM(non_persist_memory_max_alloc_units,
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_NPM_MAX_NUM_UNITS, 4);
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UFS_GEOMETRY_DESC_PARAM(non_persist_memory_capacity_adjustment_factor,
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_NPM_CAP_ADJ_FCTR, 2);
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UFS_GEOMETRY_DESC_PARAM(enh1_memory_max_alloc_units,
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_ENM1_MAX_NUM_UNITS, 4);
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UFS_GEOMETRY_DESC_PARAM(enh1_memory_capacity_adjustment_factor,
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_ENM1_CAP_ADJ_FCTR, 2);
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UFS_GEOMETRY_DESC_PARAM(enh2_memory_max_alloc_units,
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_ENM2_MAX_NUM_UNITS, 4);
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UFS_GEOMETRY_DESC_PARAM(enh2_memory_capacity_adjustment_factor,
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_ENM2_CAP_ADJ_FCTR, 2);
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UFS_GEOMETRY_DESC_PARAM(enh3_memory_max_alloc_units,
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_ENM3_MAX_NUM_UNITS, 4);
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UFS_GEOMETRY_DESC_PARAM(enh3_memory_capacity_adjustment_factor,
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_ENM3_CAP_ADJ_FCTR, 2);
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UFS_GEOMETRY_DESC_PARAM(enh4_memory_max_alloc_units,
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_ENM4_MAX_NUM_UNITS, 4);
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UFS_GEOMETRY_DESC_PARAM(enh4_memory_capacity_adjustment_factor,
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_ENM4_CAP_ADJ_FCTR, 2);
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UFS_GEOMETRY_DESC_PARAM(wb_max_alloc_units, _WB_MAX_ALLOC_UNITS, 4);
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UFS_GEOMETRY_DESC_PARAM(wb_max_wb_luns, _WB_MAX_WB_LUNS, 1);
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UFS_GEOMETRY_DESC_PARAM(wb_buff_cap_adj, _WB_BUFF_CAP_ADJ, 1);
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UFS_GEOMETRY_DESC_PARAM(wb_sup_red_type, _WB_SUP_RED_TYPE, 1);
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UFS_GEOMETRY_DESC_PARAM(wb_sup_wb_type, _WB_SUP_WB_TYPE, 1);
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static struct attribute *ufs_sysfs_geometry_descriptor[] = {
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&dev_attr_raw_device_capacity.attr,
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&dev_attr_max_number_of_luns.attr,
|
|
&dev_attr_segment_size.attr,
|
|
&dev_attr_allocation_unit_size.attr,
|
|
&dev_attr_min_addressable_block_size.attr,
|
|
&dev_attr_optimal_read_block_size.attr,
|
|
&dev_attr_optimal_write_block_size.attr,
|
|
&dev_attr_max_in_buffer_size.attr,
|
|
&dev_attr_max_out_buffer_size.attr,
|
|
&dev_attr_rpmb_rw_size.attr,
|
|
&dev_attr_dyn_capacity_resource_policy.attr,
|
|
&dev_attr_data_ordering.attr,
|
|
&dev_attr_max_number_of_contexts.attr,
|
|
&dev_attr_sys_data_tag_unit_size.attr,
|
|
&dev_attr_sys_data_tag_resource_size.attr,
|
|
&dev_attr_secure_removal_types.attr,
|
|
&dev_attr_memory_types.attr,
|
|
&dev_attr_sys_code_memory_max_alloc_units.attr,
|
|
&dev_attr_sys_code_memory_capacity_adjustment_factor.attr,
|
|
&dev_attr_non_persist_memory_max_alloc_units.attr,
|
|
&dev_attr_non_persist_memory_capacity_adjustment_factor.attr,
|
|
&dev_attr_enh1_memory_max_alloc_units.attr,
|
|
&dev_attr_enh1_memory_capacity_adjustment_factor.attr,
|
|
&dev_attr_enh2_memory_max_alloc_units.attr,
|
|
&dev_attr_enh2_memory_capacity_adjustment_factor.attr,
|
|
&dev_attr_enh3_memory_max_alloc_units.attr,
|
|
&dev_attr_enh3_memory_capacity_adjustment_factor.attr,
|
|
&dev_attr_enh4_memory_max_alloc_units.attr,
|
|
&dev_attr_enh4_memory_capacity_adjustment_factor.attr,
|
|
&dev_attr_wb_max_alloc_units.attr,
|
|
&dev_attr_wb_max_wb_luns.attr,
|
|
&dev_attr_wb_buff_cap_adj.attr,
|
|
&dev_attr_wb_sup_red_type.attr,
|
|
&dev_attr_wb_sup_wb_type.attr,
|
|
NULL,
|
|
};
|
|
|
|
static const struct attribute_group ufs_sysfs_geometry_descriptor_group = {
|
|
.name = "geometry_descriptor",
|
|
.attrs = ufs_sysfs_geometry_descriptor,
|
|
};
|
|
|
|
#define UFS_HEALTH_DESC_PARAM(_name, _uname, _size) \
|
|
UFS_DESC_PARAM(_name, _uname, HEALTH, _size)
|
|
|
|
UFS_HEALTH_DESC_PARAM(eol_info, _EOL_INFO, 1);
|
|
UFS_HEALTH_DESC_PARAM(life_time_estimation_a, _LIFE_TIME_EST_A, 1);
|
|
UFS_HEALTH_DESC_PARAM(life_time_estimation_b, _LIFE_TIME_EST_B, 1);
|
|
|
|
static struct attribute *ufs_sysfs_health_descriptor[] = {
|
|
&dev_attr_eol_info.attr,
|
|
&dev_attr_life_time_estimation_a.attr,
|
|
&dev_attr_life_time_estimation_b.attr,
|
|
NULL,
|
|
};
|
|
|
|
static const struct attribute_group ufs_sysfs_health_descriptor_group = {
|
|
.name = "health_descriptor",
|
|
.attrs = ufs_sysfs_health_descriptor,
|
|
};
|
|
|
|
#define UFS_POWER_DESC_PARAM(_name, _uname, _index) \
|
|
static ssize_t _name##_index##_show(struct device *dev, \
|
|
struct device_attribute *attr, char *buf) \
|
|
{ \
|
|
struct ufs_hba *hba = dev_get_drvdata(dev); \
|
|
return ufs_sysfs_read_desc_param(hba, QUERY_DESC_IDN_POWER, 0, \
|
|
PWR_DESC##_uname##_0 + _index * 2, buf, 2); \
|
|
} \
|
|
static DEVICE_ATTR_RO(_name##_index)
|
|
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 0);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 1);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 2);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 3);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 4);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 5);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 6);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 7);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 8);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 9);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 10);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 11);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 12);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 13);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 14);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 15);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 0);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 1);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 2);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 3);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 4);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 5);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 6);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 7);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 8);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 9);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 10);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 11);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 12);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 13);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 14);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 15);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 0);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 1);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 2);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 3);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 4);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 5);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 6);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 7);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 8);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 9);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 10);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 11);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 12);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 13);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 14);
|
|
UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 15);
|
|
|
|
static struct attribute *ufs_sysfs_power_descriptor[] = {
|
|
&dev_attr_active_icc_levels_vcc0.attr,
|
|
&dev_attr_active_icc_levels_vcc1.attr,
|
|
&dev_attr_active_icc_levels_vcc2.attr,
|
|
&dev_attr_active_icc_levels_vcc3.attr,
|
|
&dev_attr_active_icc_levels_vcc4.attr,
|
|
&dev_attr_active_icc_levels_vcc5.attr,
|
|
&dev_attr_active_icc_levels_vcc6.attr,
|
|
&dev_attr_active_icc_levels_vcc7.attr,
|
|
&dev_attr_active_icc_levels_vcc8.attr,
|
|
&dev_attr_active_icc_levels_vcc9.attr,
|
|
&dev_attr_active_icc_levels_vcc10.attr,
|
|
&dev_attr_active_icc_levels_vcc11.attr,
|
|
&dev_attr_active_icc_levels_vcc12.attr,
|
|
&dev_attr_active_icc_levels_vcc13.attr,
|
|
&dev_attr_active_icc_levels_vcc14.attr,
|
|
&dev_attr_active_icc_levels_vcc15.attr,
|
|
&dev_attr_active_icc_levels_vccq0.attr,
|
|
&dev_attr_active_icc_levels_vccq1.attr,
|
|
&dev_attr_active_icc_levels_vccq2.attr,
|
|
&dev_attr_active_icc_levels_vccq3.attr,
|
|
&dev_attr_active_icc_levels_vccq4.attr,
|
|
&dev_attr_active_icc_levels_vccq5.attr,
|
|
&dev_attr_active_icc_levels_vccq6.attr,
|
|
&dev_attr_active_icc_levels_vccq7.attr,
|
|
&dev_attr_active_icc_levels_vccq8.attr,
|
|
&dev_attr_active_icc_levels_vccq9.attr,
|
|
&dev_attr_active_icc_levels_vccq10.attr,
|
|
&dev_attr_active_icc_levels_vccq11.attr,
|
|
&dev_attr_active_icc_levels_vccq12.attr,
|
|
&dev_attr_active_icc_levels_vccq13.attr,
|
|
&dev_attr_active_icc_levels_vccq14.attr,
|
|
&dev_attr_active_icc_levels_vccq15.attr,
|
|
&dev_attr_active_icc_levels_vccq20.attr,
|
|
&dev_attr_active_icc_levels_vccq21.attr,
|
|
&dev_attr_active_icc_levels_vccq22.attr,
|
|
&dev_attr_active_icc_levels_vccq23.attr,
|
|
&dev_attr_active_icc_levels_vccq24.attr,
|
|
&dev_attr_active_icc_levels_vccq25.attr,
|
|
&dev_attr_active_icc_levels_vccq26.attr,
|
|
&dev_attr_active_icc_levels_vccq27.attr,
|
|
&dev_attr_active_icc_levels_vccq28.attr,
|
|
&dev_attr_active_icc_levels_vccq29.attr,
|
|
&dev_attr_active_icc_levels_vccq210.attr,
|
|
&dev_attr_active_icc_levels_vccq211.attr,
|
|
&dev_attr_active_icc_levels_vccq212.attr,
|
|
&dev_attr_active_icc_levels_vccq213.attr,
|
|
&dev_attr_active_icc_levels_vccq214.attr,
|
|
&dev_attr_active_icc_levels_vccq215.attr,
|
|
NULL,
|
|
};
|
|
|
|
static const struct attribute_group ufs_sysfs_power_descriptor_group = {
|
|
.name = "power_descriptor",
|
|
.attrs = ufs_sysfs_power_descriptor,
|
|
};
|
|
|
|
#define UFS_STRING_DESCRIPTOR(_name, _pname) \
|
|
static ssize_t _name##_show(struct device *dev, \
|
|
struct device_attribute *attr, char *buf) \
|
|
{ \
|
|
u8 index; \
|
|
struct ufs_hba *hba = dev_get_drvdata(dev); \
|
|
int ret; \
|
|
int desc_len = QUERY_DESC_MAX_SIZE; \
|
|
u8 *desc_buf; \
|
|
\
|
|
desc_buf = kzalloc(QUERY_DESC_MAX_SIZE, GFP_ATOMIC); \
|
|
if (!desc_buf) \
|
|
return -ENOMEM; \
|
|
pm_runtime_get_sync(hba->dev); \
|
|
ret = ufshcd_query_descriptor_retry(hba, \
|
|
UPIU_QUERY_OPCODE_READ_DESC, QUERY_DESC_IDN_DEVICE, \
|
|
0, 0, desc_buf, &desc_len); \
|
|
if (ret) { \
|
|
ret = -EINVAL; \
|
|
goto out; \
|
|
} \
|
|
index = desc_buf[DEVICE_DESC_PARAM##_pname]; \
|
|
kfree(desc_buf); \
|
|
desc_buf = NULL; \
|
|
ret = ufshcd_read_string_desc(hba, index, &desc_buf, \
|
|
SD_ASCII_STD); \
|
|
if (ret < 0) \
|
|
goto out; \
|
|
ret = snprintf(buf, PAGE_SIZE, "%s\n", desc_buf); \
|
|
out: \
|
|
pm_runtime_put_sync(hba->dev); \
|
|
kfree(desc_buf); \
|
|
return ret; \
|
|
} \
|
|
static DEVICE_ATTR_RO(_name)
|
|
|
|
UFS_STRING_DESCRIPTOR(manufacturer_name, _MANF_NAME);
|
|
UFS_STRING_DESCRIPTOR(product_name, _PRDCT_NAME);
|
|
UFS_STRING_DESCRIPTOR(oem_id, _OEM_ID);
|
|
UFS_STRING_DESCRIPTOR(serial_number, _SN);
|
|
UFS_STRING_DESCRIPTOR(product_revision, _PRDCT_REV);
|
|
|
|
static struct attribute *ufs_sysfs_string_descriptors[] = {
|
|
&dev_attr_manufacturer_name.attr,
|
|
&dev_attr_product_name.attr,
|
|
&dev_attr_oem_id.attr,
|
|
&dev_attr_serial_number.attr,
|
|
&dev_attr_product_revision.attr,
|
|
NULL,
|
|
};
|
|
|
|
static const struct attribute_group ufs_sysfs_string_descriptors_group = {
|
|
.name = "string_descriptors",
|
|
.attrs = ufs_sysfs_string_descriptors,
|
|
};
|
|
|
|
static inline bool ufshcd_is_wb_flags(enum flag_idn idn)
|
|
{
|
|
return ((idn >= QUERY_FLAG_IDN_WB_EN) &&
|
|
(idn <= QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8));
|
|
}
|
|
|
|
#define UFS_FLAG(_name, _uname) \
|
|
static ssize_t _name##_show(struct device *dev, \
|
|
struct device_attribute *attr, char *buf) \
|
|
{ \
|
|
bool flag; \
|
|
u8 index = 0; \
|
|
int ret; \
|
|
struct ufs_hba *hba = dev_get_drvdata(dev); \
|
|
if (ufshcd_is_wb_flags(QUERY_FLAG_IDN##_uname)) \
|
|
index = ufshcd_wb_get_query_index(hba); \
|
|
pm_runtime_get_sync(hba->dev); \
|
|
ret = ufshcd_query_flag(hba, UPIU_QUERY_OPCODE_READ_FLAG, \
|
|
QUERY_FLAG_IDN##_uname, index, &flag); \
|
|
pm_runtime_put_sync(hba->dev); \
|
|
if (ret) \
|
|
return -EINVAL; \
|
|
return sprintf(buf, "%s\n", flag ? "true" : "false"); \
|
|
} \
|
|
static DEVICE_ATTR_RO(_name)
|
|
|
|
UFS_FLAG(device_init, _FDEVICEINIT);
|
|
UFS_FLAG(permanent_wpe, _PERMANENT_WPE);
|
|
UFS_FLAG(power_on_wpe, _PWR_ON_WPE);
|
|
UFS_FLAG(bkops_enable, _BKOPS_EN);
|
|
UFS_FLAG(life_span_mode_enable, _LIFE_SPAN_MODE_ENABLE);
|
|
UFS_FLAG(phy_resource_removal, _FPHYRESOURCEREMOVAL);
|
|
UFS_FLAG(busy_rtc, _BUSY_RTC);
|
|
UFS_FLAG(disable_fw_update, _PERMANENTLY_DISABLE_FW_UPDATE);
|
|
UFS_FLAG(wb_enable, _WB_EN);
|
|
UFS_FLAG(wb_flush_en, _WB_BUFF_FLUSH_EN);
|
|
UFS_FLAG(wb_flush_during_h8, _WB_BUFF_FLUSH_DURING_HIBERN8);
|
|
|
|
static struct attribute *ufs_sysfs_device_flags[] = {
|
|
&dev_attr_device_init.attr,
|
|
&dev_attr_permanent_wpe.attr,
|
|
&dev_attr_power_on_wpe.attr,
|
|
&dev_attr_bkops_enable.attr,
|
|
&dev_attr_life_span_mode_enable.attr,
|
|
&dev_attr_phy_resource_removal.attr,
|
|
&dev_attr_busy_rtc.attr,
|
|
&dev_attr_disable_fw_update.attr,
|
|
&dev_attr_wb_enable.attr,
|
|
&dev_attr_wb_flush_en.attr,
|
|
&dev_attr_wb_flush_during_h8.attr,
|
|
NULL,
|
|
};
|
|
|
|
static const struct attribute_group ufs_sysfs_flags_group = {
|
|
.name = "flags",
|
|
.attrs = ufs_sysfs_device_flags,
|
|
};
|
|
|
|
static inline bool ufshcd_is_wb_attrs(enum attr_idn idn)
|
|
{
|
|
return ((idn >= QUERY_ATTR_IDN_WB_FLUSH_STATUS) &&
|
|
(idn <= QUERY_ATTR_IDN_CURR_WB_BUFF_SIZE));
|
|
}
|
|
|
|
#define UFS_ATTRIBUTE(_name, _uname) \
|
|
static ssize_t _name##_show(struct device *dev, \
|
|
struct device_attribute *attr, char *buf) \
|
|
{ \
|
|
struct ufs_hba *hba = dev_get_drvdata(dev); \
|
|
u32 value; \
|
|
int ret; \
|
|
u8 index = 0; \
|
|
if (ufshcd_is_wb_attrs(QUERY_ATTR_IDN##_uname)) \
|
|
index = ufshcd_wb_get_query_index(hba); \
|
|
pm_runtime_get_sync(hba->dev); \
|
|
ret = ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_READ_ATTR, \
|
|
QUERY_ATTR_IDN##_uname, index, 0, &value); \
|
|
pm_runtime_put_sync(hba->dev); \
|
|
if (ret) \
|
|
return -EINVAL; \
|
|
return sprintf(buf, "0x%08X\n", value); \
|
|
} \
|
|
static DEVICE_ATTR_RO(_name)
|
|
|
|
UFS_ATTRIBUTE(boot_lun_enabled, _BOOT_LU_EN);
|
|
UFS_ATTRIBUTE(current_power_mode, _POWER_MODE);
|
|
UFS_ATTRIBUTE(active_icc_level, _ACTIVE_ICC_LVL);
|
|
UFS_ATTRIBUTE(ooo_data_enabled, _OOO_DATA_EN);
|
|
UFS_ATTRIBUTE(bkops_status, _BKOPS_STATUS);
|
|
UFS_ATTRIBUTE(purge_status, _PURGE_STATUS);
|
|
UFS_ATTRIBUTE(max_data_in_size, _MAX_DATA_IN);
|
|
UFS_ATTRIBUTE(max_data_out_size, _MAX_DATA_OUT);
|
|
UFS_ATTRIBUTE(reference_clock_frequency, _REF_CLK_FREQ);
|
|
UFS_ATTRIBUTE(configuration_descriptor_lock, _CONF_DESC_LOCK);
|
|
UFS_ATTRIBUTE(max_number_of_rtt, _MAX_NUM_OF_RTT);
|
|
UFS_ATTRIBUTE(exception_event_control, _EE_CONTROL);
|
|
UFS_ATTRIBUTE(exception_event_status, _EE_STATUS);
|
|
UFS_ATTRIBUTE(ffu_status, _FFU_STATUS);
|
|
UFS_ATTRIBUTE(psa_state, _PSA_STATE);
|
|
UFS_ATTRIBUTE(psa_data_size, _PSA_DATA_SIZE);
|
|
UFS_ATTRIBUTE(wb_flush_status, _WB_FLUSH_STATUS);
|
|
UFS_ATTRIBUTE(wb_avail_buf, _AVAIL_WB_BUFF_SIZE);
|
|
UFS_ATTRIBUTE(wb_life_time_est, _WB_BUFF_LIFE_TIME_EST);
|
|
UFS_ATTRIBUTE(wb_cur_buf, _CURR_WB_BUFF_SIZE);
|
|
|
|
|
|
static struct attribute *ufs_sysfs_attributes[] = {
|
|
&dev_attr_boot_lun_enabled.attr,
|
|
&dev_attr_current_power_mode.attr,
|
|
&dev_attr_active_icc_level.attr,
|
|
&dev_attr_ooo_data_enabled.attr,
|
|
&dev_attr_bkops_status.attr,
|
|
&dev_attr_purge_status.attr,
|
|
&dev_attr_max_data_in_size.attr,
|
|
&dev_attr_max_data_out_size.attr,
|
|
&dev_attr_reference_clock_frequency.attr,
|
|
&dev_attr_configuration_descriptor_lock.attr,
|
|
&dev_attr_max_number_of_rtt.attr,
|
|
&dev_attr_exception_event_control.attr,
|
|
&dev_attr_exception_event_status.attr,
|
|
&dev_attr_ffu_status.attr,
|
|
&dev_attr_psa_state.attr,
|
|
&dev_attr_psa_data_size.attr,
|
|
&dev_attr_wb_flush_status.attr,
|
|
&dev_attr_wb_avail_buf.attr,
|
|
&dev_attr_wb_life_time_est.attr,
|
|
&dev_attr_wb_cur_buf.attr,
|
|
NULL,
|
|
};
|
|
|
|
static const struct attribute_group ufs_sysfs_attributes_group = {
|
|
.name = "attributes",
|
|
.attrs = ufs_sysfs_attributes,
|
|
};
|
|
|
|
static const struct attribute_group *ufs_sysfs_groups[] = {
|
|
&ufs_sysfs_default_group,
|
|
&ufs_sysfs_device_descriptor_group,
|
|
&ufs_sysfs_interconnect_descriptor_group,
|
|
&ufs_sysfs_geometry_descriptor_group,
|
|
&ufs_sysfs_health_descriptor_group,
|
|
&ufs_sysfs_power_descriptor_group,
|
|
&ufs_sysfs_string_descriptors_group,
|
|
&ufs_sysfs_flags_group,
|
|
&ufs_sysfs_attributes_group,
|
|
NULL,
|
|
};
|
|
|
|
#define UFS_LUN_DESC_PARAM(_pname, _puname, _duname, _size) \
|
|
static ssize_t _pname##_show(struct device *dev, \
|
|
struct device_attribute *attr, char *buf) \
|
|
{ \
|
|
struct scsi_device *sdev = to_scsi_device(dev); \
|
|
struct ufs_hba *hba = shost_priv(sdev->host); \
|
|
u8 lun = ufshcd_scsi_to_upiu_lun(sdev->lun); \
|
|
if (!ufs_is_valid_unit_desc_lun(&hba->dev_info, lun)) \
|
|
return -EINVAL; \
|
|
return ufs_sysfs_read_desc_param(hba, QUERY_DESC_IDN_##_duname, \
|
|
lun, _duname##_DESC_PARAM##_puname, buf, _size); \
|
|
} \
|
|
static DEVICE_ATTR_RO(_pname)
|
|
|
|
#define UFS_UNIT_DESC_PARAM(_name, _uname, _size) \
|
|
UFS_LUN_DESC_PARAM(_name, _uname, UNIT, _size)
|
|
|
|
UFS_UNIT_DESC_PARAM(boot_lun_id, _BOOT_LUN_ID, 1);
|
|
UFS_UNIT_DESC_PARAM(lun_write_protect, _LU_WR_PROTECT, 1);
|
|
UFS_UNIT_DESC_PARAM(lun_queue_depth, _LU_Q_DEPTH, 1);
|
|
UFS_UNIT_DESC_PARAM(psa_sensitive, _PSA_SENSITIVE, 1);
|
|
UFS_UNIT_DESC_PARAM(lun_memory_type, _MEM_TYPE, 1);
|
|
UFS_UNIT_DESC_PARAM(data_reliability, _DATA_RELIABILITY, 1);
|
|
UFS_UNIT_DESC_PARAM(logical_block_size, _LOGICAL_BLK_SIZE, 1);
|
|
UFS_UNIT_DESC_PARAM(logical_block_count, _LOGICAL_BLK_COUNT, 8);
|
|
UFS_UNIT_DESC_PARAM(erase_block_size, _ERASE_BLK_SIZE, 4);
|
|
UFS_UNIT_DESC_PARAM(provisioning_type, _PROVISIONING_TYPE, 1);
|
|
UFS_UNIT_DESC_PARAM(physical_memory_resourse_count, _PHY_MEM_RSRC_CNT, 8);
|
|
UFS_UNIT_DESC_PARAM(context_capabilities, _CTX_CAPABILITIES, 2);
|
|
UFS_UNIT_DESC_PARAM(large_unit_granularity, _LARGE_UNIT_SIZE_M1, 1);
|
|
UFS_UNIT_DESC_PARAM(wb_buf_alloc_units, _WB_BUF_ALLOC_UNITS, 4);
|
|
|
|
|
|
static struct attribute *ufs_sysfs_unit_descriptor[] = {
|
|
&dev_attr_boot_lun_id.attr,
|
|
&dev_attr_lun_write_protect.attr,
|
|
&dev_attr_lun_queue_depth.attr,
|
|
&dev_attr_psa_sensitive.attr,
|
|
&dev_attr_lun_memory_type.attr,
|
|
&dev_attr_data_reliability.attr,
|
|
&dev_attr_logical_block_size.attr,
|
|
&dev_attr_logical_block_count.attr,
|
|
&dev_attr_erase_block_size.attr,
|
|
&dev_attr_provisioning_type.attr,
|
|
&dev_attr_physical_memory_resourse_count.attr,
|
|
&dev_attr_context_capabilities.attr,
|
|
&dev_attr_large_unit_granularity.attr,
|
|
&dev_attr_wb_buf_alloc_units.attr,
|
|
NULL,
|
|
};
|
|
|
|
const struct attribute_group ufs_sysfs_unit_descriptor_group = {
|
|
.name = "unit_descriptor",
|
|
.attrs = ufs_sysfs_unit_descriptor,
|
|
};
|
|
|
|
static ssize_t dyn_cap_needed_attribute_show(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
u32 value;
|
|
struct scsi_device *sdev = to_scsi_device(dev);
|
|
struct ufs_hba *hba = shost_priv(sdev->host);
|
|
u8 lun = ufshcd_scsi_to_upiu_lun(sdev->lun);
|
|
int ret;
|
|
|
|
pm_runtime_get_sync(hba->dev);
|
|
ret = ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_READ_ATTR,
|
|
QUERY_ATTR_IDN_DYN_CAP_NEEDED, lun, 0, &value);
|
|
pm_runtime_put_sync(hba->dev);
|
|
if (ret)
|
|
return -EINVAL;
|
|
return sprintf(buf, "0x%08X\n", value);
|
|
}
|
|
static DEVICE_ATTR_RO(dyn_cap_needed_attribute);
|
|
|
|
static struct attribute *ufs_sysfs_lun_attributes[] = {
|
|
&dev_attr_dyn_cap_needed_attribute.attr,
|
|
NULL,
|
|
};
|
|
|
|
const struct attribute_group ufs_sysfs_lun_attributes_group = {
|
|
.attrs = ufs_sysfs_lun_attributes,
|
|
};
|
|
|
|
void ufs_sysfs_add_nodes(struct device *dev)
|
|
{
|
|
int ret;
|
|
|
|
ret = sysfs_create_groups(&dev->kobj, ufs_sysfs_groups);
|
|
if (ret)
|
|
dev_err(dev,
|
|
"%s: sysfs groups creation failed (err = %d)\n",
|
|
__func__, ret);
|
|
}
|
|
|
|
void ufs_sysfs_remove_nodes(struct device *dev)
|
|
{
|
|
sysfs_remove_groups(&dev->kobj, ufs_sysfs_groups);
|
|
}
|