239 static ssize_t ramoops_pstore_read(struct pstore_record *record)  in ramoops_pstore_read()  argument
242 	struct ramoops_context *cxt = record->psi->data;  in ramoops_pstore_read()
252 	record->time.tv_sec = 0;  in ramoops_pstore_read()
253 	record->time.tv_nsec = 0;  in ramoops_pstore_read()
254 	record->compressed = false;  in ramoops_pstore_read()
259 					   cxt->max_dump_cnt, &record->id,  in ramoops_pstore_read()
260 					   &record->type,  in ramoops_pstore_read()
265 						      &record->time,  in ramoops_pstore_read()
266 						      &record->compressed);  in ramoops_pstore_read()
277 					   1, &record->id, &record->type,  in ramoops_pstore_read()
282 					   1, &record->id, &record->type,  in ramoops_pstore_read()
289 					&cxt->ftrace_read_cnt, 1, &record->id,  in ramoops_pstore_read()
290 					&record->type, PSTORE_TYPE_FTRACE, 0);  in ramoops_pstore_read()
308 						&record->id,  in ramoops_pstore_read()
309 						&record->type,  in ramoops_pstore_read()
323 			record->id = 0;  in ramoops_pstore_read()
336 	record->ecc_notice_size = persistent_ram_ecc_string(prz, NULL, 0);  in ramoops_pstore_read()
338 	record->buf = kmalloc(size + record->ecc_notice_size + 1, GFP_KERNEL);  in ramoops_pstore_read()
339 	if (record->buf == NULL) {  in ramoops_pstore_read()
344 	memcpy(record->buf, (char *)persistent_ram_old(prz) + header_length,  in ramoops_pstore_read()
347 	persistent_ram_ecc_string(prz, record->buf + size,  in ramoops_pstore_read()
348 				  record->ecc_notice_size + 1);  in ramoops_pstore_read()
360 				     struct pstore_record *record)  in ramoops_write_kmsg_hdr()  argument
366 		(time64_t)record->time.tv_sec,  in ramoops_write_kmsg_hdr()
367 		record->time.tv_nsec / 1000,  in ramoops_write_kmsg_hdr()
368 		record->compressed ? 'C' : 'D');  in ramoops_write_kmsg_hdr()
377 static int notrace ramoops_pstore_write(struct pstore_record *record)  in ramoops_pstore_write()  argument
379 	struct ramoops_context *cxt = record->psi->data;  in ramoops_pstore_write()
383 	if (record->type == PSTORE_TYPE_CONSOLE) {  in ramoops_pstore_write()
386 		persistent_ram_write(cxt->cprz, record->buf, record->size);  in ramoops_pstore_write()
388 	} else if (record->type == PSTORE_TYPE_FTRACE) {  in ramoops_pstore_write()
401 		persistent_ram_write(cxt->fprzs[zonenum], record->buf,  in ramoops_pstore_write()
402 				     record->size);  in ramoops_pstore_write()
404 	} else if (record->type == PSTORE_TYPE_PMSG) {  in ramoops_pstore_write()
409 	if (record->type != PSTORE_TYPE_DMESG)  in ramoops_pstore_write()
416 	if (record->reason != KMSG_DUMP_OOPS &&  in ramoops_pstore_write()
417 	    record->reason != KMSG_DUMP_PANIC)  in ramoops_pstore_write()
421 	if (record->reason == KMSG_DUMP_OOPS && !cxt->dump_oops)  in ramoops_pstore_write()
430 	if (record->part != 1)  in ramoops_pstore_write()
439 	hlen = ramoops_write_kmsg_hdr(prz, record);  in ramoops_pstore_write()
440 	size = record->size;  in ramoops_pstore_write()
443 	persistent_ram_write(prz, record->buf, size);  in ramoops_pstore_write()
450 static int notrace ramoops_pstore_write_user(struct pstore_record *record,  in ramoops_pstore_write_user()  argument
453 	if (record->type == PSTORE_TYPE_PMSG) {  in ramoops_pstore_write_user()
454 		struct ramoops_context *cxt = record->psi->data;  in ramoops_pstore_write_user()
458 		return persistent_ram_write_user(cxt->mprz, buf, record->size);  in ramoops_pstore_write_user()
464 static int ramoops_pstore_erase(struct pstore_record *record)  in ramoops_pstore_erase()  argument
466 	struct ramoops_context *cxt = record->psi->data;  in ramoops_pstore_erase()
469 	switch (record->type) {  in ramoops_pstore_erase()
471 		if (record->id >= cxt->max_dump_cnt)  in ramoops_pstore_erase()
473 		prz = cxt->dprzs[record->id];  in ramoops_pstore_erase()
479 		if (record->id >= cxt->max_ftrace_cnt)  in ramoops_pstore_erase()
481 		prz = cxt->fprzs[record->id];  in ramoops_pstore_erase()