1 // SPDX-License-Identifier: GPL-2.0-only
15 #include <linux/device.h>
32 static ssize_t pubek_show(struct device *dev, struct device_attribute *attr,  in pubek_show()
65 		    out->algorithm,  in pubek_show()
66 		    out->encscheme,  in pubek_show()
67 		    out->sigscheme,  in pubek_show()
68 		    out->parameters,  in pubek_show()
69 		    be32_to_cpu(out->keysize));  in pubek_show()
72 		str += sprintf(str, "%16ph\n", &out->modulus[i]);  in pubek_show()
78 	return str - buf;  in pubek_show()
82 static ssize_t pcrs_show(struct device *dev, struct device_attribute *attr,  in pcrs_show()
107 		str += sprintf(str, "PCR-%02d: ", i);  in pcrs_show()
113 	return str - buf;  in pcrs_show()
117 static ssize_t enabled_show(struct device *dev, struct device_attribute *attr,  in enabled_show()
139 static ssize_t active_show(struct device *dev, struct device_attribute *attr,  in active_show()
161 static ssize_t owned_show(struct device *dev, struct device_attribute *attr,  in owned_show()
183 static ssize_t temp_deactivated_show(struct device *dev,  in temp_deactivated_show()
205 static ssize_t caps_show(struct device *dev, struct device_attribute *attr,  in caps_show()
209 	struct tpm1_version *version;  in caps_show()  local
227 			 "attempting to determine the 1.2 version",  in caps_show()
229 		version = &cap.version2.version;  in caps_show()
235 			"attempting to determine the 1.1 version",  in caps_show()
240 	version = &cap.version1;  in caps_show()
244 		       "TCG version: %d.%d\nFirmware version: %d.%d\n",  in caps_show()
245 		       version->major, version->minor,  in caps_show()
246 		       version->rev_major, version->rev_minor);  in caps_show()
248 	rc = str - buf;  in caps_show()
256 static ssize_t cancel_store(struct device *dev, struct device_attribute *attr,  in cancel_store()
264 	chip->ops->cancel(chip);  in cancel_store()
270 static ssize_t durations_show(struct device *dev, struct device_attribute *attr,  in durations_show()
275 	if (chip->duration[TPM_LONG] == 0)  in durations_show()
279 		       jiffies_to_usecs(chip->duration[TPM_SHORT]),  in durations_show()
280 		       jiffies_to_usecs(chip->duration[TPM_MEDIUM]),  in durations_show()
281 		       jiffies_to_usecs(chip->duration[TPM_LONG]),  in durations_show()
282 		       chip->duration_adjusted  in durations_show()
287 static ssize_t timeouts_show(struct device *dev, struct device_attribute *attr,  in timeouts_show()
293 		       jiffies_to_usecs(chip->timeout_a),  in timeouts_show()
294 		       jiffies_to_usecs(chip->timeout_b),  in timeouts_show()
295 		       jiffies_to_usecs(chip->timeout_c),  in timeouts_show()
296 		       jiffies_to_usecs(chip->timeout_d),  in timeouts_show()
297 		       chip->timeout_adjusted  in timeouts_show()
302 static ssize_t tpm_version_major_show(struct device *dev,  in tpm_version_major_show()
307 	return sprintf(buf, "%s\n", chip->flags & TPM_CHIP_FLAG_TPM2  in tpm_version_major_show()
342 	WARN_ON(chip->groups_cnt != 0);  in tpm_sysfs_add_device()
343 	if (chip->flags & TPM_CHIP_FLAG_TPM2)  in tpm_sysfs_add_device()
344 		chip->groups[chip->groups_cnt++] = &tpm2_dev_group;  in tpm_sysfs_add_device()
346 		chip->groups[chip->groups_cnt++] = &tpm1_dev_group;  in tpm_sysfs_add_device()