1 // SPDX-License-Identifier: GPL-2.0-or-later
13  * Maintained by: <tpmdd-[email protected]>
15  * Access to the event log created by a system's firmware / BIOS
37 	"EVENT TAG",
38 	"S-CRTM Contents",
39 	"S-CRTM Version",
46 	"Non-Host Code",
47 	"Non-Host Config",
48 	"Non-Host Info"
63 	"S-CRTM Version",
64 	"S-CRTM Contents ",
73 	struct tpm_chip *chip = m->private;  in tpm1_bios_measurements_start()
74 	struct tpm_bios_log *log = &chip->log;  in tpm1_bios_measurements_start()
75 	void *addr = log->bios_event_log;  in tpm1_bios_measurements_start()
76 	void *limit = log->bios_event_log_end;  in tpm1_bios_measurements_start()
77 	struct tcpa_event *event;  in tpm1_bios_measurements_start()  local
83 		event = addr;  in tpm1_bios_measurements_start()
90 		    do_endian_conversion(event->event_size);  in tpm1_bios_measurements_start()
92 		    do_endian_conversion(event->event_type);  in tpm1_bios_measurements_start()
111 	struct tcpa_event *event = v;  in tpm1_bios_measurements_next()  local
112 	struct tpm_chip *chip = m->private;  in tpm1_bios_measurements_next()
113 	struct tpm_bios_log *log = &chip->log;  in tpm1_bios_measurements_next()
114 	void *limit = log->bios_event_log_end;  in tpm1_bios_measurements_next()
119 	converted_event_size = do_endian_conversion(event->event_size);  in tpm1_bios_measurements_next()
127 	event = v;  in tpm1_bios_measurements_next()
129 	converted_event_size = do_endian_conversion(event->event_size);  in tpm1_bios_measurements_next()
130 	converted_event_type = do_endian_conversion(event->event_type);  in tpm1_bios_measurements_next()
143 static int get_event_name(char *dest, struct tcpa_event *event,  in get_event_name()  argument
146 	const char *name = "";  in get_event_name()  local
152 	switch (do_endian_conversion(event->event_type)) {  in get_event_name()
168 		name = tcpa_event_type_strings[do_endian_conversion  in get_event_name()
169 						(event->event_type)];  in get_event_name()
170 		n_len = strlen(name);  in get_event_name()
175 		    do_endian_conversion(event->event_size)) {  in get_event_name()
176 			name = event_entry;  in get_event_name()
177 			n_len = do_endian_conversion(event->event_size);  in get_event_name()
183 		/* ToDo Row data -> Base64 */  in get_event_name()
185 		switch (do_endian_conversion(pc_event->event_id)) {  in get_event_name()
193 			name = tcpa_pc_event_id_strings[do_endian_conversion  in get_event_name()
194 							(pc_event->event_id)];  in get_event_name()
195 			n_len = strlen(name);  in get_event_name()
203 			name = tcpa_pc_event_id_strings[do_endian_conversion  in get_event_name()
204 							(pc_event->event_id)];  in get_event_name()
205 			n_len = strlen(name);  in get_event_name()
208 						pc_event->event_data[i]);  in get_event_name()
219 			n_len, name, d_len, data);  in get_event_name()
225 	struct tcpa_event *event = v;  in tpm1_binary_bios_measurements_show()  local
230 	memcpy(&temp_event, event, sizeof(struct tcpa_event));  in tpm1_binary_bios_measurements_show()
233 	temp_event.pcr_index = do_endian_conversion(event->pcr_index);  in tpm1_binary_bios_measurements_show()
234 	temp_event.event_type = do_endian_conversion(event->event_type);  in tpm1_binary_bios_measurements_show()
235 	temp_event.event_size = do_endian_conversion(event->event_size);  in tpm1_binary_bios_measurements_show()
239 	for (i = 0; i < (sizeof(struct tcpa_event) - 1) ; i++)  in tpm1_binary_bios_measurements_show()
244 	for (i = (sizeof(struct tcpa_event) - 1);  in tpm1_binary_bios_measurements_show()
255 	struct tcpa_event *event = v;  in tpm1_ascii_bios_measurements_show()  local
261 		printk(KERN_ERR "%s: ERROR - No Memory for event name\n ",  in tpm1_ascii_bios_measurements_show()
263 		return -EFAULT;  in tpm1_ascii_bios_measurements_show()
267 	seq_printf(m, "%2d ", do_endian_conversion(event->pcr_index));  in tpm1_ascii_bios_measurements_show()
270 	seq_printf(m, "%20phN", event->pcr_value);  in tpm1_ascii_bios_measurements_show()
272 	/* 3rd: event type identifier */  in tpm1_ascii_bios_measurements_show()
273 	seq_printf(m, " %02x", do_endian_conversion(event->event_type));  in tpm1_ascii_bios_measurements_show()
275 	get_event_name(eventname, event, event_entry);  in tpm1_ascii_bios_measurements_show()