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cbb6813e SN |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | // Copyright (C) 2018 Western Digital Corporation | |
3 | ||
4 | #include <linux/err.h> | |
5 | #include <linux/string.h> | |
ad448378 | 6 | #include <linux/bitfield.h> |
45bced87 | 7 | #include <asm/unaligned.h> |
cbb6813e | 8 | |
45bced87 | 9 | #include "ufs.h" |
cbb6813e SN |
10 | #include "ufs-sysfs.h" |
11 | ||
12 | static const char *ufschd_uic_link_state_to_string( | |
13 | enum uic_link_state state) | |
14 | { | |
15 | switch (state) { | |
16 | case UIC_LINK_OFF_STATE: return "OFF"; | |
17 | case UIC_LINK_ACTIVE_STATE: return "ACTIVE"; | |
18 | case UIC_LINK_HIBERN8_STATE: return "HIBERN8"; | |
4db7a236 | 19 | case UIC_LINK_BROKEN_STATE: return "BROKEN"; |
cbb6813e SN |
20 | default: return "UNKNOWN"; |
21 | } | |
22 | } | |
23 | ||
24 | static const char *ufschd_ufs_dev_pwr_mode_to_string( | |
25 | enum ufs_dev_pwr_mode state) | |
26 | { | |
27 | switch (state) { | |
28 | case UFS_ACTIVE_PWR_MODE: return "ACTIVE"; | |
29 | case UFS_SLEEP_PWR_MODE: return "SLEEP"; | |
30 | case UFS_POWERDOWN_PWR_MODE: return "POWERDOWN"; | |
fe1d4c2e | 31 | case UFS_DEEPSLEEP_PWR_MODE: return "DEEPSLEEP"; |
cbb6813e SN |
32 | default: return "UNKNOWN"; |
33 | } | |
34 | } | |
35 | ||
36 | static inline ssize_t ufs_sysfs_pm_lvl_store(struct device *dev, | |
37 | struct device_attribute *attr, | |
38 | const char *buf, size_t count, | |
39 | bool rpm) | |
40 | { | |
41 | struct ufs_hba *hba = dev_get_drvdata(dev); | |
fe1d4c2e | 42 | struct ufs_dev_info *dev_info = &hba->dev_info; |
cbb6813e SN |
43 | unsigned long flags, value; |
44 | ||
45 | if (kstrtoul(buf, 0, &value)) | |
46 | return -EINVAL; | |
47 | ||
48 | if (value >= UFS_PM_LVL_MAX) | |
49 | return -EINVAL; | |
50 | ||
fe1d4c2e AH |
51 | if (ufs_pm_lvl_states[value].dev_state == UFS_DEEPSLEEP_PWR_MODE && |
52 | (!(hba->caps & UFSHCD_CAP_DEEPSLEEP) || | |
53 | !(dev_info->wspecversion >= 0x310))) | |
54 | return -EINVAL; | |
55 | ||
cbb6813e SN |
56 | spin_lock_irqsave(hba->host->host_lock, flags); |
57 | if (rpm) | |
58 | hba->rpm_lvl = value; | |
59 | else | |
60 | hba->spm_lvl = value; | |
61 | spin_unlock_irqrestore(hba->host->host_lock, flags); | |
62 | return count; | |
63 | } | |
64 | ||
65 | static ssize_t rpm_lvl_show(struct device *dev, | |
66 | struct device_attribute *attr, char *buf) | |
67 | { | |
68 | struct ufs_hba *hba = dev_get_drvdata(dev); | |
114c1aa2 SN |
69 | |
70 | return sprintf(buf, "%d\n", hba->rpm_lvl); | |
cbb6813e SN |
71 | } |
72 | ||
73 | static ssize_t rpm_lvl_store(struct device *dev, | |
74 | struct device_attribute *attr, const char *buf, size_t count) | |
75 | { | |
76 | return ufs_sysfs_pm_lvl_store(dev, attr, buf, count, true); | |
77 | } | |
78 | ||
114c1aa2 SN |
79 | static ssize_t rpm_target_dev_state_show(struct device *dev, |
80 | struct device_attribute *attr, char *buf) | |
81 | { | |
82 | struct ufs_hba *hba = dev_get_drvdata(dev); | |
83 | ||
84 | return sprintf(buf, "%s\n", ufschd_ufs_dev_pwr_mode_to_string( | |
85 | ufs_pm_lvl_states[hba->rpm_lvl].dev_state)); | |
86 | } | |
87 | ||
88 | static ssize_t rpm_target_link_state_show(struct device *dev, | |
89 | struct device_attribute *attr, char *buf) | |
90 | { | |
91 | struct ufs_hba *hba = dev_get_drvdata(dev); | |
92 | ||
93 | return sprintf(buf, "%s\n", ufschd_uic_link_state_to_string( | |
94 | ufs_pm_lvl_states[hba->rpm_lvl].link_state)); | |
95 | } | |
96 | ||
cbb6813e SN |
97 | static ssize_t spm_lvl_show(struct device *dev, |
98 | struct device_attribute *attr, char *buf) | |
99 | { | |
100 | struct ufs_hba *hba = dev_get_drvdata(dev); | |
cbb6813e | 101 | |
114c1aa2 | 102 | return sprintf(buf, "%d\n", hba->spm_lvl); |
cbb6813e SN |
103 | } |
104 | ||
105 | static ssize_t spm_lvl_store(struct device *dev, | |
106 | struct device_attribute *attr, const char *buf, size_t count) | |
107 | { | |
108 | return ufs_sysfs_pm_lvl_store(dev, attr, buf, count, false); | |
109 | } | |
110 | ||
114c1aa2 SN |
111 | static ssize_t spm_target_dev_state_show(struct device *dev, |
112 | struct device_attribute *attr, char *buf) | |
113 | { | |
114 | struct ufs_hba *hba = dev_get_drvdata(dev); | |
115 | ||
116 | return sprintf(buf, "%s\n", ufschd_ufs_dev_pwr_mode_to_string( | |
117 | ufs_pm_lvl_states[hba->spm_lvl].dev_state)); | |
118 | } | |
119 | ||
120 | static ssize_t spm_target_link_state_show(struct device *dev, | |
121 | struct device_attribute *attr, char *buf) | |
122 | { | |
123 | struct ufs_hba *hba = dev_get_drvdata(dev); | |
124 | ||
125 | return sprintf(buf, "%s\n", ufschd_uic_link_state_to_string( | |
126 | ufs_pm_lvl_states[hba->spm_lvl].link_state)); | |
127 | } | |
128 | ||
ad448378 AH |
129 | /* Convert Auto-Hibernate Idle Timer register value to microseconds */ |
130 | static int ufshcd_ahit_to_us(u32 ahit) | |
131 | { | |
132 | int timer = FIELD_GET(UFSHCI_AHIBERN8_TIMER_MASK, ahit); | |
133 | int scale = FIELD_GET(UFSHCI_AHIBERN8_SCALE_MASK, ahit); | |
134 | ||
135 | for (; scale > 0; --scale) | |
136 | timer *= UFSHCI_AHIBERN8_SCALE_FACTOR; | |
137 | ||
138 | return timer; | |
139 | } | |
140 | ||
141 | /* Convert microseconds to Auto-Hibernate Idle Timer register value */ | |
142 | static u32 ufshcd_us_to_ahit(unsigned int timer) | |
143 | { | |
144 | unsigned int scale; | |
145 | ||
146 | for (scale = 0; timer > UFSHCI_AHIBERN8_TIMER_MASK; ++scale) | |
147 | timer /= UFSHCI_AHIBERN8_SCALE_FACTOR; | |
148 | ||
149 | return FIELD_PREP(UFSHCI_AHIBERN8_TIMER_MASK, timer) | | |
150 | FIELD_PREP(UFSHCI_AHIBERN8_SCALE_MASK, scale); | |
151 | } | |
152 | ||
153 | static ssize_t auto_hibern8_show(struct device *dev, | |
154 | struct device_attribute *attr, char *buf) | |
155 | { | |
499f7a96 | 156 | u32 ahit; |
ad448378 AH |
157 | struct ufs_hba *hba = dev_get_drvdata(dev); |
158 | ||
ee5f1042 | 159 | if (!ufshcd_is_auto_hibern8_supported(hba)) |
ad448378 AH |
160 | return -EOPNOTSUPP; |
161 | ||
499f7a96 BN |
162 | pm_runtime_get_sync(hba->dev); |
163 | ufshcd_hold(hba, false); | |
164 | ahit = ufshcd_readl(hba, REG_AUTO_HIBERNATE_IDLE_TIMER); | |
165 | ufshcd_release(hba); | |
166 | pm_runtime_put_sync(hba->dev); | |
167 | ||
168 | return scnprintf(buf, PAGE_SIZE, "%d\n", ufshcd_ahit_to_us(ahit)); | |
ad448378 AH |
169 | } |
170 | ||
171 | static ssize_t auto_hibern8_store(struct device *dev, | |
172 | struct device_attribute *attr, | |
173 | const char *buf, size_t count) | |
174 | { | |
175 | struct ufs_hba *hba = dev_get_drvdata(dev); | |
176 | unsigned int timer; | |
177 | ||
ee5f1042 | 178 | if (!ufshcd_is_auto_hibern8_supported(hba)) |
ad448378 AH |
179 | return -EOPNOTSUPP; |
180 | ||
181 | if (kstrtouint(buf, 0, &timer)) | |
182 | return -EINVAL; | |
183 | ||
184 | if (timer > UFSHCI_AHIBERN8_MAX) | |
185 | return -EINVAL; | |
186 | ||
187 | ufshcd_auto_hibern8_update(hba, ufshcd_us_to_ahit(timer)); | |
188 | ||
189 | return count; | |
190 | } | |
191 | ||
cbb6813e | 192 | static DEVICE_ATTR_RW(rpm_lvl); |
114c1aa2 SN |
193 | static DEVICE_ATTR_RO(rpm_target_dev_state); |
194 | static DEVICE_ATTR_RO(rpm_target_link_state); | |
cbb6813e | 195 | static DEVICE_ATTR_RW(spm_lvl); |
114c1aa2 SN |
196 | static DEVICE_ATTR_RO(spm_target_dev_state); |
197 | static DEVICE_ATTR_RO(spm_target_link_state); | |
ad448378 | 198 | static DEVICE_ATTR_RW(auto_hibern8); |
cbb6813e SN |
199 | |
200 | static struct attribute *ufs_sysfs_ufshcd_attrs[] = { | |
201 | &dev_attr_rpm_lvl.attr, | |
114c1aa2 SN |
202 | &dev_attr_rpm_target_dev_state.attr, |
203 | &dev_attr_rpm_target_link_state.attr, | |
cbb6813e | 204 | &dev_attr_spm_lvl.attr, |
114c1aa2 SN |
205 | &dev_attr_spm_target_dev_state.attr, |
206 | &dev_attr_spm_target_link_state.attr, | |
ad448378 | 207 | &dev_attr_auto_hibern8.attr, |
cbb6813e SN |
208 | NULL |
209 | }; | |
210 | ||
211 | static const struct attribute_group ufs_sysfs_default_group = { | |
212 | .attrs = ufs_sysfs_ufshcd_attrs, | |
213 | }; | |
214 | ||
45bced87 SN |
215 | static ssize_t ufs_sysfs_read_desc_param(struct ufs_hba *hba, |
216 | enum desc_idn desc_id, | |
217 | u8 desc_index, | |
218 | u8 param_offset, | |
219 | u8 *sysfs_buf, | |
220 | u8 param_size) | |
221 | { | |
222 | u8 desc_buf[8] = {0}; | |
223 | int ret; | |
224 | ||
225 | if (param_size > 8) | |
226 | return -EINVAL; | |
227 | ||
0c2039dc | 228 | pm_runtime_get_sync(hba->dev); |
45bced87 SN |
229 | ret = ufshcd_read_desc_param(hba, desc_id, desc_index, |
230 | param_offset, desc_buf, param_size); | |
0c2039dc | 231 | pm_runtime_put_sync(hba->dev); |
45bced87 SN |
232 | if (ret) |
233 | return -EINVAL; | |
234 | switch (param_size) { | |
235 | case 1: | |
236 | ret = sprintf(sysfs_buf, "0x%02X\n", *desc_buf); | |
237 | break; | |
238 | case 2: | |
239 | ret = sprintf(sysfs_buf, "0x%04X\n", | |
240 | get_unaligned_be16(desc_buf)); | |
241 | break; | |
242 | case 4: | |
243 | ret = sprintf(sysfs_buf, "0x%08X\n", | |
244 | get_unaligned_be32(desc_buf)); | |
245 | break; | |
246 | case 8: | |
247 | ret = sprintf(sysfs_buf, "0x%016llX\n", | |
248 | get_unaligned_be64(desc_buf)); | |
249 | break; | |
250 | } | |
251 | ||
252 | return ret; | |
253 | } | |
254 | ||
255 | #define UFS_DESC_PARAM(_name, _puname, _duname, _size) \ | |
256 | static ssize_t _name##_show(struct device *dev, \ | |
257 | struct device_attribute *attr, char *buf) \ | |
258 | { \ | |
259 | struct ufs_hba *hba = dev_get_drvdata(dev); \ | |
260 | return ufs_sysfs_read_desc_param(hba, QUERY_DESC_IDN_##_duname, \ | |
261 | 0, _duname##_DESC_PARAM##_puname, buf, _size); \ | |
262 | } \ | |
263 | static DEVICE_ATTR_RO(_name) | |
264 | ||
265 | #define UFS_DEVICE_DESC_PARAM(_name, _uname, _size) \ | |
266 | UFS_DESC_PARAM(_name, _uname, DEVICE, _size) | |
267 | ||
268 | UFS_DEVICE_DESC_PARAM(device_type, _DEVICE_TYPE, 1); | |
269 | UFS_DEVICE_DESC_PARAM(device_class, _DEVICE_CLASS, 1); | |
270 | UFS_DEVICE_DESC_PARAM(device_sub_class, _DEVICE_SUB_CLASS, 1); | |
271 | UFS_DEVICE_DESC_PARAM(protocol, _PRTCL, 1); | |
272 | UFS_DEVICE_DESC_PARAM(number_of_luns, _NUM_LU, 1); | |
273 | UFS_DEVICE_DESC_PARAM(number_of_wluns, _NUM_WLU, 1); | |
274 | UFS_DEVICE_DESC_PARAM(boot_enable, _BOOT_ENBL, 1); | |
275 | UFS_DEVICE_DESC_PARAM(descriptor_access_enable, _DESC_ACCSS_ENBL, 1); | |
276 | UFS_DEVICE_DESC_PARAM(initial_power_mode, _INIT_PWR_MODE, 1); | |
277 | UFS_DEVICE_DESC_PARAM(high_priority_lun, _HIGH_PR_LUN, 1); | |
278 | UFS_DEVICE_DESC_PARAM(secure_removal_type, _SEC_RMV_TYPE, 1); | |
279 | UFS_DEVICE_DESC_PARAM(support_security_lun, _SEC_LU, 1); | |
280 | UFS_DEVICE_DESC_PARAM(bkops_termination_latency, _BKOP_TERM_LT, 1); | |
281 | UFS_DEVICE_DESC_PARAM(initial_active_icc_level, _ACTVE_ICC_LVL, 1); | |
282 | UFS_DEVICE_DESC_PARAM(specification_version, _SPEC_VER, 2); | |
283 | UFS_DEVICE_DESC_PARAM(manufacturing_date, _MANF_DATE, 2); | |
284 | UFS_DEVICE_DESC_PARAM(manufacturer_id, _MANF_ID, 2); | |
285 | UFS_DEVICE_DESC_PARAM(rtt_capability, _RTT_CAP, 1); | |
286 | UFS_DEVICE_DESC_PARAM(rtc_update, _FRQ_RTC, 2); | |
287 | UFS_DEVICE_DESC_PARAM(ufs_features, _UFS_FEAT, 1); | |
288 | UFS_DEVICE_DESC_PARAM(ffu_timeout, _FFU_TMT, 1); | |
289 | UFS_DEVICE_DESC_PARAM(queue_depth, _Q_DPTH, 1); | |
290 | UFS_DEVICE_DESC_PARAM(device_version, _DEV_VER, 2); | |
291 | UFS_DEVICE_DESC_PARAM(number_of_secure_wpa, _NUM_SEC_WPA, 1); | |
292 | UFS_DEVICE_DESC_PARAM(psa_max_data_size, _PSA_MAX_DATA, 4); | |
293 | UFS_DEVICE_DESC_PARAM(psa_state_timeout, _PSA_TMT, 1); | |
c14e7adf AD |
294 | UFS_DEVICE_DESC_PARAM(ext_feature_sup, _EXT_UFS_FEATURE_SUP, 4); |
295 | UFS_DEVICE_DESC_PARAM(wb_presv_us_en, _WB_PRESRV_USRSPC_EN, 1); | |
296 | UFS_DEVICE_DESC_PARAM(wb_type, _WB_TYPE, 1); | |
297 | UFS_DEVICE_DESC_PARAM(wb_shared_alloc_units, _WB_SHARED_ALLOC_UNITS, 4); | |
45bced87 SN |
298 | |
299 | static struct attribute *ufs_sysfs_device_descriptor[] = { | |
300 | &dev_attr_device_type.attr, | |
301 | &dev_attr_device_class.attr, | |
302 | &dev_attr_device_sub_class.attr, | |
303 | &dev_attr_protocol.attr, | |
304 | &dev_attr_number_of_luns.attr, | |
305 | &dev_attr_number_of_wluns.attr, | |
306 | &dev_attr_boot_enable.attr, | |
307 | &dev_attr_descriptor_access_enable.attr, | |
308 | &dev_attr_initial_power_mode.attr, | |
309 | &dev_attr_high_priority_lun.attr, | |
310 | &dev_attr_secure_removal_type.attr, | |
311 | &dev_attr_support_security_lun.attr, | |
312 | &dev_attr_bkops_termination_latency.attr, | |
313 | &dev_attr_initial_active_icc_level.attr, | |
314 | &dev_attr_specification_version.attr, | |
315 | &dev_attr_manufacturing_date.attr, | |
316 | &dev_attr_manufacturer_id.attr, | |
317 | &dev_attr_rtt_capability.attr, | |
318 | &dev_attr_rtc_update.attr, | |
319 | &dev_attr_ufs_features.attr, | |
320 | &dev_attr_ffu_timeout.attr, | |
321 | &dev_attr_queue_depth.attr, | |
322 | &dev_attr_device_version.attr, | |
323 | &dev_attr_number_of_secure_wpa.attr, | |
324 | &dev_attr_psa_max_data_size.attr, | |
325 | &dev_attr_psa_state_timeout.attr, | |
c14e7adf AD |
326 | &dev_attr_ext_feature_sup.attr, |
327 | &dev_attr_wb_presv_us_en.attr, | |
328 | &dev_attr_wb_type.attr, | |
329 | &dev_attr_wb_shared_alloc_units.attr, | |
45bced87 SN |
330 | NULL, |
331 | }; | |
332 | ||
333 | static const struct attribute_group ufs_sysfs_device_descriptor_group = { | |
334 | .name = "device_descriptor", | |
335 | .attrs = ufs_sysfs_device_descriptor, | |
336 | }; | |
337 | ||
8c2582bf SN |
338 | #define UFS_INTERCONNECT_DESC_PARAM(_name, _uname, _size) \ |
339 | UFS_DESC_PARAM(_name, _uname, INTERCONNECT, _size) | |
340 | ||
341 | UFS_INTERCONNECT_DESC_PARAM(unipro_version, _UNIPRO_VER, 2); | |
342 | UFS_INTERCONNECT_DESC_PARAM(mphy_version, _MPHY_VER, 2); | |
343 | ||
344 | static struct attribute *ufs_sysfs_interconnect_descriptor[] = { | |
345 | &dev_attr_unipro_version.attr, | |
346 | &dev_attr_mphy_version.attr, | |
347 | NULL, | |
348 | }; | |
349 | ||
350 | static const struct attribute_group ufs_sysfs_interconnect_descriptor_group = { | |
351 | .name = "interconnect_descriptor", | |
352 | .attrs = ufs_sysfs_interconnect_descriptor, | |
353 | }; | |
354 | ||
c720c091 SN |
355 | #define UFS_GEOMETRY_DESC_PARAM(_name, _uname, _size) \ |
356 | UFS_DESC_PARAM(_name, _uname, GEOMETRY, _size) | |
357 | ||
358 | UFS_GEOMETRY_DESC_PARAM(raw_device_capacity, _DEV_CAP, 8); | |
359 | UFS_GEOMETRY_DESC_PARAM(max_number_of_luns, _MAX_NUM_LUN, 1); | |
360 | UFS_GEOMETRY_DESC_PARAM(segment_size, _SEG_SIZE, 4); | |
361 | UFS_GEOMETRY_DESC_PARAM(allocation_unit_size, _ALLOC_UNIT_SIZE, 1); | |
362 | UFS_GEOMETRY_DESC_PARAM(min_addressable_block_size, _MIN_BLK_SIZE, 1); | |
363 | UFS_GEOMETRY_DESC_PARAM(optimal_read_block_size, _OPT_RD_BLK_SIZE, 1); | |
364 | UFS_GEOMETRY_DESC_PARAM(optimal_write_block_size, _OPT_WR_BLK_SIZE, 1); | |
365 | UFS_GEOMETRY_DESC_PARAM(max_in_buffer_size, _MAX_IN_BUF_SIZE, 1); | |
366 | UFS_GEOMETRY_DESC_PARAM(max_out_buffer_size, _MAX_OUT_BUF_SIZE, 1); | |
367 | UFS_GEOMETRY_DESC_PARAM(rpmb_rw_size, _RPMB_RW_SIZE, 1); | |
368 | UFS_GEOMETRY_DESC_PARAM(dyn_capacity_resource_policy, _DYN_CAP_RSRC_PLC, 1); | |
369 | UFS_GEOMETRY_DESC_PARAM(data_ordering, _DATA_ORDER, 1); | |
370 | UFS_GEOMETRY_DESC_PARAM(max_number_of_contexts, _MAX_NUM_CTX, 1); | |
371 | UFS_GEOMETRY_DESC_PARAM(sys_data_tag_unit_size, _TAG_UNIT_SIZE, 1); | |
372 | UFS_GEOMETRY_DESC_PARAM(sys_data_tag_resource_size, _TAG_RSRC_SIZE, 1); | |
373 | UFS_GEOMETRY_DESC_PARAM(secure_removal_types, _SEC_RM_TYPES, 1); | |
374 | UFS_GEOMETRY_DESC_PARAM(memory_types, _MEM_TYPES, 2); | |
375 | UFS_GEOMETRY_DESC_PARAM(sys_code_memory_max_alloc_units, | |
376 | _SCM_MAX_NUM_UNITS, 4); | |
377 | UFS_GEOMETRY_DESC_PARAM(sys_code_memory_capacity_adjustment_factor, | |
378 | _SCM_CAP_ADJ_FCTR, 2); | |
379 | UFS_GEOMETRY_DESC_PARAM(non_persist_memory_max_alloc_units, | |
380 | _NPM_MAX_NUM_UNITS, 4); | |
381 | UFS_GEOMETRY_DESC_PARAM(non_persist_memory_capacity_adjustment_factor, | |
382 | _NPM_CAP_ADJ_FCTR, 2); | |
383 | UFS_GEOMETRY_DESC_PARAM(enh1_memory_max_alloc_units, | |
384 | _ENM1_MAX_NUM_UNITS, 4); | |
385 | UFS_GEOMETRY_DESC_PARAM(enh1_memory_capacity_adjustment_factor, | |
386 | _ENM1_CAP_ADJ_FCTR, 2); | |
387 | UFS_GEOMETRY_DESC_PARAM(enh2_memory_max_alloc_units, | |
388 | _ENM2_MAX_NUM_UNITS, 4); | |
389 | UFS_GEOMETRY_DESC_PARAM(enh2_memory_capacity_adjustment_factor, | |
390 | _ENM2_CAP_ADJ_FCTR, 2); | |
391 | UFS_GEOMETRY_DESC_PARAM(enh3_memory_max_alloc_units, | |
392 | _ENM3_MAX_NUM_UNITS, 4); | |
393 | UFS_GEOMETRY_DESC_PARAM(enh3_memory_capacity_adjustment_factor, | |
394 | _ENM3_CAP_ADJ_FCTR, 2); | |
395 | UFS_GEOMETRY_DESC_PARAM(enh4_memory_max_alloc_units, | |
396 | _ENM4_MAX_NUM_UNITS, 4); | |
397 | UFS_GEOMETRY_DESC_PARAM(enh4_memory_capacity_adjustment_factor, | |
398 | _ENM4_CAP_ADJ_FCTR, 2); | |
c14e7adf AD |
399 | UFS_GEOMETRY_DESC_PARAM(wb_max_alloc_units, _WB_MAX_ALLOC_UNITS, 4); |
400 | UFS_GEOMETRY_DESC_PARAM(wb_max_wb_luns, _WB_MAX_WB_LUNS, 1); | |
401 | UFS_GEOMETRY_DESC_PARAM(wb_buff_cap_adj, _WB_BUFF_CAP_ADJ, 1); | |
402 | UFS_GEOMETRY_DESC_PARAM(wb_sup_red_type, _WB_SUP_RED_TYPE, 1); | |
403 | UFS_GEOMETRY_DESC_PARAM(wb_sup_wb_type, _WB_SUP_WB_TYPE, 1); | |
404 | ||
c720c091 SN |
405 | |
406 | static struct attribute *ufs_sysfs_geometry_descriptor[] = { | |
407 | &dev_attr_raw_device_capacity.attr, | |
408 | &dev_attr_max_number_of_luns.attr, | |
409 | &dev_attr_segment_size.attr, | |
410 | &dev_attr_allocation_unit_size.attr, | |
411 | &dev_attr_min_addressable_block_size.attr, | |
412 | &dev_attr_optimal_read_block_size.attr, | |
413 | &dev_attr_optimal_write_block_size.attr, | |
414 | &dev_attr_max_in_buffer_size.attr, | |
415 | &dev_attr_max_out_buffer_size.attr, | |
416 | &dev_attr_rpmb_rw_size.attr, | |
417 | &dev_attr_dyn_capacity_resource_policy.attr, | |
418 | &dev_attr_data_ordering.attr, | |
419 | &dev_attr_max_number_of_contexts.attr, | |
420 | &dev_attr_sys_data_tag_unit_size.attr, | |
421 | &dev_attr_sys_data_tag_resource_size.attr, | |
422 | &dev_attr_secure_removal_types.attr, | |
423 | &dev_attr_memory_types.attr, | |
424 | &dev_attr_sys_code_memory_max_alloc_units.attr, | |
425 | &dev_attr_sys_code_memory_capacity_adjustment_factor.attr, | |
426 | &dev_attr_non_persist_memory_max_alloc_units.attr, | |
427 | &dev_attr_non_persist_memory_capacity_adjustment_factor.attr, | |
428 | &dev_attr_enh1_memory_max_alloc_units.attr, | |
429 | &dev_attr_enh1_memory_capacity_adjustment_factor.attr, | |
430 | &dev_attr_enh2_memory_max_alloc_units.attr, | |
431 | &dev_attr_enh2_memory_capacity_adjustment_factor.attr, | |
432 | &dev_attr_enh3_memory_max_alloc_units.attr, | |
433 | &dev_attr_enh3_memory_capacity_adjustment_factor.attr, | |
434 | &dev_attr_enh4_memory_max_alloc_units.attr, | |
435 | &dev_attr_enh4_memory_capacity_adjustment_factor.attr, | |
c14e7adf AD |
436 | &dev_attr_wb_max_alloc_units.attr, |
437 | &dev_attr_wb_max_wb_luns.attr, | |
438 | &dev_attr_wb_buff_cap_adj.attr, | |
439 | &dev_attr_wb_sup_red_type.attr, | |
440 | &dev_attr_wb_sup_wb_type.attr, | |
c720c091 SN |
441 | NULL, |
442 | }; | |
443 | ||
444 | static const struct attribute_group ufs_sysfs_geometry_descriptor_group = { | |
445 | .name = "geometry_descriptor", | |
446 | .attrs = ufs_sysfs_geometry_descriptor, | |
447 | }; | |
448 | ||
c648c2d2 SN |
449 | #define UFS_HEALTH_DESC_PARAM(_name, _uname, _size) \ |
450 | UFS_DESC_PARAM(_name, _uname, HEALTH, _size) | |
451 | ||
452 | UFS_HEALTH_DESC_PARAM(eol_info, _EOL_INFO, 1); | |
453 | UFS_HEALTH_DESC_PARAM(life_time_estimation_a, _LIFE_TIME_EST_A, 1); | |
454 | UFS_HEALTH_DESC_PARAM(life_time_estimation_b, _LIFE_TIME_EST_B, 1); | |
455 | ||
456 | static struct attribute *ufs_sysfs_health_descriptor[] = { | |
457 | &dev_attr_eol_info.attr, | |
458 | &dev_attr_life_time_estimation_a.attr, | |
459 | &dev_attr_life_time_estimation_b.attr, | |
460 | NULL, | |
461 | }; | |
462 | ||
463 | static const struct attribute_group ufs_sysfs_health_descriptor_group = { | |
464 | .name = "health_descriptor", | |
465 | .attrs = ufs_sysfs_health_descriptor, | |
466 | }; | |
467 | ||
c2e6e283 SN |
468 | #define UFS_POWER_DESC_PARAM(_name, _uname, _index) \ |
469 | static ssize_t _name##_index##_show(struct device *dev, \ | |
470 | struct device_attribute *attr, char *buf) \ | |
471 | { \ | |
472 | struct ufs_hba *hba = dev_get_drvdata(dev); \ | |
473 | return ufs_sysfs_read_desc_param(hba, QUERY_DESC_IDN_POWER, 0, \ | |
474 | PWR_DESC##_uname##_0 + _index * 2, buf, 2); \ | |
475 | } \ | |
476 | static DEVICE_ATTR_RO(_name##_index) | |
477 | ||
478 | UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 0); | |
479 | UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 1); | |
480 | UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 2); | |
481 | UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 3); | |
482 | UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 4); | |
483 | UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 5); | |
484 | UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 6); | |
485 | UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 7); | |
486 | UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 8); | |
487 | UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 9); | |
488 | UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 10); | |
489 | UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 11); | |
490 | UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 12); | |
491 | UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 13); | |
492 | UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 14); | |
493 | UFS_POWER_DESC_PARAM(active_icc_levels_vcc, _ACTIVE_LVLS_VCC, 15); | |
494 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 0); | |
495 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 1); | |
496 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 2); | |
497 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 3); | |
498 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 4); | |
499 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 5); | |
500 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 6); | |
501 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 7); | |
502 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 8); | |
503 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 9); | |
504 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 10); | |
505 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 11); | |
506 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 12); | |
507 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 13); | |
508 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 14); | |
509 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq, _ACTIVE_LVLS_VCCQ, 15); | |
510 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 0); | |
511 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 1); | |
512 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 2); | |
513 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 3); | |
514 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 4); | |
515 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 5); | |
516 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 6); | |
517 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 7); | |
518 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 8); | |
519 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 9); | |
520 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 10); | |
521 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 11); | |
522 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 12); | |
523 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 13); | |
524 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 14); | |
525 | UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, _ACTIVE_LVLS_VCCQ2, 15); | |
526 | ||
527 | static struct attribute *ufs_sysfs_power_descriptor[] = { | |
528 | &dev_attr_active_icc_levels_vcc0.attr, | |
529 | &dev_attr_active_icc_levels_vcc1.attr, | |
530 | &dev_attr_active_icc_levels_vcc2.attr, | |
531 | &dev_attr_active_icc_levels_vcc3.attr, | |
532 | &dev_attr_active_icc_levels_vcc4.attr, | |
533 | &dev_attr_active_icc_levels_vcc5.attr, | |
534 | &dev_attr_active_icc_levels_vcc6.attr, | |
535 | &dev_attr_active_icc_levels_vcc7.attr, | |
536 | &dev_attr_active_icc_levels_vcc8.attr, | |
537 | &dev_attr_active_icc_levels_vcc9.attr, | |
538 | &dev_attr_active_icc_levels_vcc10.attr, | |
539 | &dev_attr_active_icc_levels_vcc11.attr, | |
540 | &dev_attr_active_icc_levels_vcc12.attr, | |
541 | &dev_attr_active_icc_levels_vcc13.attr, | |
542 | &dev_attr_active_icc_levels_vcc14.attr, | |
543 | &dev_attr_active_icc_levels_vcc15.attr, | |
544 | &dev_attr_active_icc_levels_vccq0.attr, | |
545 | &dev_attr_active_icc_levels_vccq1.attr, | |
546 | &dev_attr_active_icc_levels_vccq2.attr, | |
547 | &dev_attr_active_icc_levels_vccq3.attr, | |
548 | &dev_attr_active_icc_levels_vccq4.attr, | |
549 | &dev_attr_active_icc_levels_vccq5.attr, | |
550 | &dev_attr_active_icc_levels_vccq6.attr, | |
551 | &dev_attr_active_icc_levels_vccq7.attr, | |
552 | &dev_attr_active_icc_levels_vccq8.attr, | |
553 | &dev_attr_active_icc_levels_vccq9.attr, | |
554 | &dev_attr_active_icc_levels_vccq10.attr, | |
555 | &dev_attr_active_icc_levels_vccq11.attr, | |
556 | &dev_attr_active_icc_levels_vccq12.attr, | |
557 | &dev_attr_active_icc_levels_vccq13.attr, | |
558 | &dev_attr_active_icc_levels_vccq14.attr, | |
559 | &dev_attr_active_icc_levels_vccq15.attr, | |
560 | &dev_attr_active_icc_levels_vccq20.attr, | |
561 | &dev_attr_active_icc_levels_vccq21.attr, | |
562 | &dev_attr_active_icc_levels_vccq22.attr, | |
563 | &dev_attr_active_icc_levels_vccq23.attr, | |
564 | &dev_attr_active_icc_levels_vccq24.attr, | |
565 | &dev_attr_active_icc_levels_vccq25.attr, | |
566 | &dev_attr_active_icc_levels_vccq26.attr, | |
567 | &dev_attr_active_icc_levels_vccq27.attr, | |
568 | &dev_attr_active_icc_levels_vccq28.attr, | |
569 | &dev_attr_active_icc_levels_vccq29.attr, | |
570 | &dev_attr_active_icc_levels_vccq210.attr, | |
571 | &dev_attr_active_icc_levels_vccq211.attr, | |
572 | &dev_attr_active_icc_levels_vccq212.attr, | |
573 | &dev_attr_active_icc_levels_vccq213.attr, | |
574 | &dev_attr_active_icc_levels_vccq214.attr, | |
575 | &dev_attr_active_icc_levels_vccq215.attr, | |
576 | NULL, | |
577 | }; | |
578 | ||
579 | static const struct attribute_group ufs_sysfs_power_descriptor_group = { | |
580 | .name = "power_descriptor", | |
581 | .attrs = ufs_sysfs_power_descriptor, | |
582 | }; | |
583 | ||
2238d31c SN |
584 | #define UFS_STRING_DESCRIPTOR(_name, _pname) \ |
585 | static ssize_t _name##_show(struct device *dev, \ | |
586 | struct device_attribute *attr, char *buf) \ | |
587 | { \ | |
588 | u8 index; \ | |
589 | struct ufs_hba *hba = dev_get_drvdata(dev); \ | |
590 | int ret; \ | |
591 | int desc_len = QUERY_DESC_MAX_SIZE; \ | |
592 | u8 *desc_buf; \ | |
4b828fe1 | 593 | \ |
2238d31c | 594 | desc_buf = kzalloc(QUERY_DESC_MAX_SIZE, GFP_ATOMIC); \ |
4b828fe1 TW |
595 | if (!desc_buf) \ |
596 | return -ENOMEM; \ | |
0c2039dc | 597 | pm_runtime_get_sync(hba->dev); \ |
2238d31c SN |
598 | ret = ufshcd_query_descriptor_retry(hba, \ |
599 | UPIU_QUERY_OPCODE_READ_DESC, QUERY_DESC_IDN_DEVICE, \ | |
600 | 0, 0, desc_buf, &desc_len); \ | |
601 | if (ret) { \ | |
602 | ret = -EINVAL; \ | |
603 | goto out; \ | |
604 | } \ | |
605 | index = desc_buf[DEVICE_DESC_PARAM##_pname]; \ | |
4b828fe1 TW |
606 | kfree(desc_buf); \ |
607 | desc_buf = NULL; \ | |
608 | ret = ufshcd_read_string_desc(hba, index, &desc_buf, \ | |
609 | SD_ASCII_STD); \ | |
610 | if (ret < 0) \ | |
2238d31c | 611 | goto out; \ |
4b828fe1 | 612 | ret = snprintf(buf, PAGE_SIZE, "%s\n", desc_buf); \ |
2238d31c | 613 | out: \ |
0c2039dc | 614 | pm_runtime_put_sync(hba->dev); \ |
2238d31c SN |
615 | kfree(desc_buf); \ |
616 | return ret; \ | |
617 | } \ | |
618 | static DEVICE_ATTR_RO(_name) | |
619 | ||
620 | UFS_STRING_DESCRIPTOR(manufacturer_name, _MANF_NAME); | |
621 | UFS_STRING_DESCRIPTOR(product_name, _PRDCT_NAME); | |
622 | UFS_STRING_DESCRIPTOR(oem_id, _OEM_ID); | |
623 | UFS_STRING_DESCRIPTOR(serial_number, _SN); | |
624 | UFS_STRING_DESCRIPTOR(product_revision, _PRDCT_REV); | |
625 | ||
626 | static struct attribute *ufs_sysfs_string_descriptors[] = { | |
627 | &dev_attr_manufacturer_name.attr, | |
628 | &dev_attr_product_name.attr, | |
629 | &dev_attr_oem_id.attr, | |
630 | &dev_attr_serial_number.attr, | |
631 | &dev_attr_product_revision.attr, | |
632 | NULL, | |
633 | }; | |
634 | ||
635 | static const struct attribute_group ufs_sysfs_string_descriptors_group = { | |
636 | .name = "string_descriptors", | |
637 | .attrs = ufs_sysfs_string_descriptors, | |
638 | }; | |
639 | ||
6f8d5a6a SC |
640 | static inline bool ufshcd_is_wb_flags(enum flag_idn idn) |
641 | { | |
642 | return ((idn >= QUERY_FLAG_IDN_WB_EN) && | |
643 | (idn <= QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8)); | |
644 | } | |
645 | ||
d10b2a8e SN |
646 | #define UFS_FLAG(_name, _uname) \ |
647 | static ssize_t _name##_show(struct device *dev, \ | |
648 | struct device_attribute *attr, char *buf) \ | |
649 | { \ | |
650 | bool flag; \ | |
6f8d5a6a | 651 | u8 index = 0; \ |
0c2039dc | 652 | int ret; \ |
d10b2a8e | 653 | struct ufs_hba *hba = dev_get_drvdata(dev); \ |
6f8d5a6a | 654 | if (ufshcd_is_wb_flags(QUERY_FLAG_IDN##_uname)) \ |
e31011ab | 655 | index = ufshcd_wb_get_query_index(hba); \ |
0c2039dc NR |
656 | pm_runtime_get_sync(hba->dev); \ |
657 | ret = ufshcd_query_flag(hba, UPIU_QUERY_OPCODE_READ_FLAG, \ | |
6f8d5a6a | 658 | QUERY_FLAG_IDN##_uname, index, &flag); \ |
0c2039dc NR |
659 | pm_runtime_put_sync(hba->dev); \ |
660 | if (ret) \ | |
d10b2a8e | 661 | return -EINVAL; \ |
c14e7adf | 662 | return sprintf(buf, "%s\n", flag ? "true" : "false"); \ |
d10b2a8e SN |
663 | } \ |
664 | static DEVICE_ATTR_RO(_name) | |
665 | ||
666 | UFS_FLAG(device_init, _FDEVICEINIT); | |
667 | UFS_FLAG(permanent_wpe, _PERMANENT_WPE); | |
668 | UFS_FLAG(power_on_wpe, _PWR_ON_WPE); | |
669 | UFS_FLAG(bkops_enable, _BKOPS_EN); | |
670 | UFS_FLAG(life_span_mode_enable, _LIFE_SPAN_MODE_ENABLE); | |
671 | UFS_FLAG(phy_resource_removal, _FPHYRESOURCEREMOVAL); | |
672 | UFS_FLAG(busy_rtc, _BUSY_RTC); | |
673 | UFS_FLAG(disable_fw_update, _PERMANENTLY_DISABLE_FW_UPDATE); | |
c14e7adf AD |
674 | UFS_FLAG(wb_enable, _WB_EN); |
675 | UFS_FLAG(wb_flush_en, _WB_BUFF_FLUSH_EN); | |
676 | UFS_FLAG(wb_flush_during_h8, _WB_BUFF_FLUSH_DURING_HIBERN8); | |
d10b2a8e SN |
677 | |
678 | static struct attribute *ufs_sysfs_device_flags[] = { | |
679 | &dev_attr_device_init.attr, | |
680 | &dev_attr_permanent_wpe.attr, | |
681 | &dev_attr_power_on_wpe.attr, | |
682 | &dev_attr_bkops_enable.attr, | |
683 | &dev_attr_life_span_mode_enable.attr, | |
684 | &dev_attr_phy_resource_removal.attr, | |
685 | &dev_attr_busy_rtc.attr, | |
686 | &dev_attr_disable_fw_update.attr, | |
c14e7adf AD |
687 | &dev_attr_wb_enable.attr, |
688 | &dev_attr_wb_flush_en.attr, | |
689 | &dev_attr_wb_flush_during_h8.attr, | |
d10b2a8e SN |
690 | NULL, |
691 | }; | |
692 | ||
693 | static const struct attribute_group ufs_sysfs_flags_group = { | |
694 | .name = "flags", | |
695 | .attrs = ufs_sysfs_device_flags, | |
696 | }; | |
2238d31c | 697 | |
e31011ab SC |
698 | static inline bool ufshcd_is_wb_attrs(enum attr_idn idn) |
699 | { | |
700 | return ((idn >= QUERY_ATTR_IDN_WB_FLUSH_STATUS) && | |
701 | (idn <= QUERY_ATTR_IDN_CURR_WB_BUFF_SIZE)); | |
702 | } | |
703 | ||
ec92b59c SN |
704 | #define UFS_ATTRIBUTE(_name, _uname) \ |
705 | static ssize_t _name##_show(struct device *dev, \ | |
706 | struct device_attribute *attr, char *buf) \ | |
707 | { \ | |
708 | struct ufs_hba *hba = dev_get_drvdata(dev); \ | |
709 | u32 value; \ | |
0c2039dc | 710 | int ret; \ |
e31011ab SC |
711 | u8 index = 0; \ |
712 | if (ufshcd_is_wb_attrs(QUERY_ATTR_IDN##_uname)) \ | |
713 | index = ufshcd_wb_get_query_index(hba); \ | |
0c2039dc NR |
714 | pm_runtime_get_sync(hba->dev); \ |
715 | ret = ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_READ_ATTR, \ | |
e31011ab | 716 | QUERY_ATTR_IDN##_uname, index, 0, &value); \ |
0c2039dc NR |
717 | pm_runtime_put_sync(hba->dev); \ |
718 | if (ret) \ | |
ec92b59c SN |
719 | return -EINVAL; \ |
720 | return sprintf(buf, "0x%08X\n", value); \ | |
721 | } \ | |
722 | static DEVICE_ATTR_RO(_name) | |
723 | ||
724 | UFS_ATTRIBUTE(boot_lun_enabled, _BOOT_LU_EN); | |
725 | UFS_ATTRIBUTE(current_power_mode, _POWER_MODE); | |
726 | UFS_ATTRIBUTE(active_icc_level, _ACTIVE_ICC_LVL); | |
727 | UFS_ATTRIBUTE(ooo_data_enabled, _OOO_DATA_EN); | |
728 | UFS_ATTRIBUTE(bkops_status, _BKOPS_STATUS); | |
729 | UFS_ATTRIBUTE(purge_status, _PURGE_STATUS); | |
730 | UFS_ATTRIBUTE(max_data_in_size, _MAX_DATA_IN); | |
731 | UFS_ATTRIBUTE(max_data_out_size, _MAX_DATA_OUT); | |
732 | UFS_ATTRIBUTE(reference_clock_frequency, _REF_CLK_FREQ); | |
733 | UFS_ATTRIBUTE(configuration_descriptor_lock, _CONF_DESC_LOCK); | |
734 | UFS_ATTRIBUTE(max_number_of_rtt, _MAX_NUM_OF_RTT); | |
735 | UFS_ATTRIBUTE(exception_event_control, _EE_CONTROL); | |
736 | UFS_ATTRIBUTE(exception_event_status, _EE_STATUS); | |
737 | UFS_ATTRIBUTE(ffu_status, _FFU_STATUS); | |
738 | UFS_ATTRIBUTE(psa_state, _PSA_STATE); | |
739 | UFS_ATTRIBUTE(psa_data_size, _PSA_DATA_SIZE); | |
c14e7adf AD |
740 | UFS_ATTRIBUTE(wb_flush_status, _WB_FLUSH_STATUS); |
741 | UFS_ATTRIBUTE(wb_avail_buf, _AVAIL_WB_BUFF_SIZE); | |
742 | UFS_ATTRIBUTE(wb_life_time_est, _WB_BUFF_LIFE_TIME_EST); | |
743 | UFS_ATTRIBUTE(wb_cur_buf, _CURR_WB_BUFF_SIZE); | |
744 | ||
ec92b59c SN |
745 | |
746 | static struct attribute *ufs_sysfs_attributes[] = { | |
747 | &dev_attr_boot_lun_enabled.attr, | |
748 | &dev_attr_current_power_mode.attr, | |
749 | &dev_attr_active_icc_level.attr, | |
750 | &dev_attr_ooo_data_enabled.attr, | |
751 | &dev_attr_bkops_status.attr, | |
752 | &dev_attr_purge_status.attr, | |
753 | &dev_attr_max_data_in_size.attr, | |
754 | &dev_attr_max_data_out_size.attr, | |
755 | &dev_attr_reference_clock_frequency.attr, | |
756 | &dev_attr_configuration_descriptor_lock.attr, | |
757 | &dev_attr_max_number_of_rtt.attr, | |
758 | &dev_attr_exception_event_control.attr, | |
759 | &dev_attr_exception_event_status.attr, | |
760 | &dev_attr_ffu_status.attr, | |
761 | &dev_attr_psa_state.attr, | |
762 | &dev_attr_psa_data_size.attr, | |
c14e7adf AD |
763 | &dev_attr_wb_flush_status.attr, |
764 | &dev_attr_wb_avail_buf.attr, | |
765 | &dev_attr_wb_life_time_est.attr, | |
766 | &dev_attr_wb_cur_buf.attr, | |
ec92b59c SN |
767 | NULL, |
768 | }; | |
769 | ||
770 | static const struct attribute_group ufs_sysfs_attributes_group = { | |
771 | .name = "attributes", | |
772 | .attrs = ufs_sysfs_attributes, | |
773 | }; | |
774 | ||
cbb6813e SN |
775 | static const struct attribute_group *ufs_sysfs_groups[] = { |
776 | &ufs_sysfs_default_group, | |
45bced87 | 777 | &ufs_sysfs_device_descriptor_group, |
8c2582bf | 778 | &ufs_sysfs_interconnect_descriptor_group, |
c720c091 | 779 | &ufs_sysfs_geometry_descriptor_group, |
c648c2d2 | 780 | &ufs_sysfs_health_descriptor_group, |
c2e6e283 | 781 | &ufs_sysfs_power_descriptor_group, |
2238d31c | 782 | &ufs_sysfs_string_descriptors_group, |
d10b2a8e | 783 | &ufs_sysfs_flags_group, |
ec92b59c | 784 | &ufs_sysfs_attributes_group, |
cbb6813e SN |
785 | NULL, |
786 | }; | |
787 | ||
d829fc8a SN |
788 | #define UFS_LUN_DESC_PARAM(_pname, _puname, _duname, _size) \ |
789 | static ssize_t _pname##_show(struct device *dev, \ | |
790 | struct device_attribute *attr, char *buf) \ | |
791 | { \ | |
792 | struct scsi_device *sdev = to_scsi_device(dev); \ | |
793 | struct ufs_hba *hba = shost_priv(sdev->host); \ | |
794 | u8 lun = ufshcd_scsi_to_upiu_lun(sdev->lun); \ | |
1baa8011 | 795 | if (!ufs_is_valid_unit_desc_lun(&hba->dev_info, lun)) \ |
d829fc8a SN |
796 | return -EINVAL; \ |
797 | return ufs_sysfs_read_desc_param(hba, QUERY_DESC_IDN_##_duname, \ | |
798 | lun, _duname##_DESC_PARAM##_puname, buf, _size); \ | |
799 | } \ | |
800 | static DEVICE_ATTR_RO(_pname) | |
801 | ||
802 | #define UFS_UNIT_DESC_PARAM(_name, _uname, _size) \ | |
803 | UFS_LUN_DESC_PARAM(_name, _uname, UNIT, _size) | |
804 | ||
805 | UFS_UNIT_DESC_PARAM(boot_lun_id, _BOOT_LUN_ID, 1); | |
806 | UFS_UNIT_DESC_PARAM(lun_write_protect, _LU_WR_PROTECT, 1); | |
807 | UFS_UNIT_DESC_PARAM(lun_queue_depth, _LU_Q_DEPTH, 1); | |
808 | UFS_UNIT_DESC_PARAM(psa_sensitive, _PSA_SENSITIVE, 1); | |
809 | UFS_UNIT_DESC_PARAM(lun_memory_type, _MEM_TYPE, 1); | |
810 | UFS_UNIT_DESC_PARAM(data_reliability, _DATA_RELIABILITY, 1); | |
811 | UFS_UNIT_DESC_PARAM(logical_block_size, _LOGICAL_BLK_SIZE, 1); | |
812 | UFS_UNIT_DESC_PARAM(logical_block_count, _LOGICAL_BLK_COUNT, 8); | |
813 | UFS_UNIT_DESC_PARAM(erase_block_size, _ERASE_BLK_SIZE, 4); | |
814 | UFS_UNIT_DESC_PARAM(provisioning_type, _PROVISIONING_TYPE, 1); | |
815 | UFS_UNIT_DESC_PARAM(physical_memory_resourse_count, _PHY_MEM_RSRC_CNT, 8); | |
816 | UFS_UNIT_DESC_PARAM(context_capabilities, _CTX_CAPABILITIES, 2); | |
817 | UFS_UNIT_DESC_PARAM(large_unit_granularity, _LARGE_UNIT_SIZE_M1, 1); | |
c14e7adf AD |
818 | UFS_UNIT_DESC_PARAM(wb_buf_alloc_units, _WB_BUF_ALLOC_UNITS, 4); |
819 | ||
d829fc8a SN |
820 | |
821 | static struct attribute *ufs_sysfs_unit_descriptor[] = { | |
822 | &dev_attr_boot_lun_id.attr, | |
823 | &dev_attr_lun_write_protect.attr, | |
824 | &dev_attr_lun_queue_depth.attr, | |
825 | &dev_attr_psa_sensitive.attr, | |
826 | &dev_attr_lun_memory_type.attr, | |
827 | &dev_attr_data_reliability.attr, | |
828 | &dev_attr_logical_block_size.attr, | |
829 | &dev_attr_logical_block_count.attr, | |
830 | &dev_attr_erase_block_size.attr, | |
831 | &dev_attr_provisioning_type.attr, | |
832 | &dev_attr_physical_memory_resourse_count.attr, | |
833 | &dev_attr_context_capabilities.attr, | |
834 | &dev_attr_large_unit_granularity.attr, | |
c14e7adf | 835 | &dev_attr_wb_buf_alloc_units.attr, |
d829fc8a SN |
836 | NULL, |
837 | }; | |
838 | ||
839 | const struct attribute_group ufs_sysfs_unit_descriptor_group = { | |
840 | .name = "unit_descriptor", | |
841 | .attrs = ufs_sysfs_unit_descriptor, | |
842 | }; | |
843 | ||
ec92b59c SN |
844 | static ssize_t dyn_cap_needed_attribute_show(struct device *dev, |
845 | struct device_attribute *attr, char *buf) | |
846 | { | |
847 | u32 value; | |
848 | struct scsi_device *sdev = to_scsi_device(dev); | |
849 | struct ufs_hba *hba = shost_priv(sdev->host); | |
850 | u8 lun = ufshcd_scsi_to_upiu_lun(sdev->lun); | |
0c2039dc | 851 | int ret; |
ec92b59c | 852 | |
0c2039dc NR |
853 | pm_runtime_get_sync(hba->dev); |
854 | ret = ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_READ_ATTR, | |
855 | QUERY_ATTR_IDN_DYN_CAP_NEEDED, lun, 0, &value); | |
856 | pm_runtime_put_sync(hba->dev); | |
857 | if (ret) | |
ec92b59c SN |
858 | return -EINVAL; |
859 | return sprintf(buf, "0x%08X\n", value); | |
860 | } | |
861 | static DEVICE_ATTR_RO(dyn_cap_needed_attribute); | |
862 | ||
863 | static struct attribute *ufs_sysfs_lun_attributes[] = { | |
864 | &dev_attr_dyn_cap_needed_attribute.attr, | |
865 | NULL, | |
866 | }; | |
867 | ||
868 | const struct attribute_group ufs_sysfs_lun_attributes_group = { | |
869 | .attrs = ufs_sysfs_lun_attributes, | |
870 | }; | |
871 | ||
cbb6813e SN |
872 | void ufs_sysfs_add_nodes(struct device *dev) |
873 | { | |
874 | int ret; | |
875 | ||
876 | ret = sysfs_create_groups(&dev->kobj, ufs_sysfs_groups); | |
877 | if (ret) | |
878 | dev_err(dev, | |
879 | "%s: sysfs groups creation failed (err = %d)\n", | |
880 | __func__, ret); | |
881 | } | |
882 | ||
883 | void ufs_sysfs_remove_nodes(struct device *dev) | |
884 | { | |
885 | sysfs_remove_groups(&dev->kobj, ufs_sysfs_groups); | |
886 | } |