31 void __init opal_fadump_dt_scan(struct fw_dump *fadump_conf, u64 node)  in opal_fadump_dt_scan()  argument
77 	fadump_conf->boot_mem_top = be64_to_cpu(addr);  in opal_fadump_dt_scan()
78 	pr_debug("Preserve everything above %llx\n", fadump_conf->boot_mem_top);  in opal_fadump_dt_scan()
81 	fadump_conf->dump_active = 1;  in opal_fadump_dt_scan()
93 static int opal_fadump_unregister(struct fw_dump *fadump_conf);
95 static void opal_fadump_update_config(struct fw_dump *fadump_conf,  in opal_fadump_update_config()  argument
104 	fadump_conf->boot_mem_dest_addr = be64_to_cpu(fdm->rgn[0].dest);  in opal_fadump_update_config()
106 		 fadump_conf->boot_mem_dest_addr);  in opal_fadump_update_config()
108 	fadump_conf->fadumphdr_addr = be64_to_cpu(fdm->fadumphdr_addr);  in opal_fadump_update_config()
115 static void __init opal_fadump_get_config(struct fw_dump *fadump_conf,  in opal_fadump_get_config()  argument
121 	if (!fadump_conf->dump_active)  in opal_fadump_get_config()
126 	fadump_conf->boot_memory_size = 0;  in opal_fadump_get_config()
134 		fadump_conf->boot_mem_addr[i] = base;  in opal_fadump_get_config()
135 		fadump_conf->boot_mem_sz[i] = size;  in opal_fadump_get_config()
136 		fadump_conf->boot_memory_size += size;  in opal_fadump_get_config()
146 	fadump_conf->reserve_dump_area_start = be64_to_cpu(fdm->rgn[0].dest);  in opal_fadump_get_config()
173 	fadump_conf->boot_mem_top = (fadump_conf->boot_memory_size + hole_size);  in opal_fadump_get_config()
174 	fadump_conf->boot_mem_regs_cnt = be16_to_cpu(fdm->region_cnt);  in opal_fadump_get_config()
175 	opal_fadump_update_config(fadump_conf, fdm);  in opal_fadump_get_config()
187 static u64 opal_fadump_init_mem_struct(struct fw_dump *fadump_conf)  in opal_fadump_init_mem_struct()  argument
189 	u64 addr = fadump_conf->reserve_dump_area_start;  in opal_fadump_init_mem_struct()
193 	opal_fdm = __va(fadump_conf->kernel_metadata);  in opal_fadump_init_mem_struct()
198 	for (i = 0; i < fadump_conf->boot_mem_regs_cnt; i++) {  in opal_fadump_init_mem_struct()
199 		opal_fdm->rgn[i].src	= cpu_to_be64(fadump_conf->boot_mem_addr[i]);  in opal_fadump_init_mem_struct()
201 		opal_fdm->rgn[i].size	= cpu_to_be64(fadump_conf->boot_mem_sz[i]);  in opal_fadump_init_mem_struct()
204 		addr += fadump_conf->boot_mem_sz[i];  in opal_fadump_init_mem_struct()
213 					       fadump_conf->boot_memory_size);  in opal_fadump_init_mem_struct()
215 	opal_fadump_update_config(fadump_conf, opal_fdm);  in opal_fadump_init_mem_struct()
225 static int opal_fadump_setup_metadata(struct fw_dump *fadump_conf)  in opal_fadump_setup_metadata()  argument
234 	fadump_conf->kernel_metadata = (fadump_conf->reserve_dump_area_start +  in opal_fadump_setup_metadata()
235 					fadump_conf->reserve_dump_area_size -  in opal_fadump_setup_metadata()
237 	pr_info("Kernel metadata addr: %llx\n", fadump_conf->kernel_metadata);  in opal_fadump_setup_metadata()
240 	opal_fdm = __va(fadump_conf->kernel_metadata);  in opal_fadump_setup_metadata()
248 				      fadump_conf->kernel_metadata);  in opal_fadump_setup_metadata()
259 				      fadump_conf->boot_mem_top);  in opal_fadump_setup_metadata()
273 static int opal_fadump_register(struct fw_dump *fadump_conf)  in opal_fadump_register()  argument
295 		fadump_conf->dump_registered = 1;  in opal_fadump_register()
303 		fadump_conf->dump_registered = 1;  in opal_fadump_register()
311 		fadump_conf->fadump_supported = 0;  in opal_fadump_register()
312 		fadump_conf->fadump_enabled = 0;  in opal_fadump_register()
324 		opal_fadump_unregister(fadump_conf);  in opal_fadump_register()
329 static int opal_fadump_unregister(struct fw_dump *fadump_conf)  in opal_fadump_unregister()  argument
340 	fadump_conf->dump_registered = 0;  in opal_fadump_unregister()
344 static int opal_fadump_invalidate(struct fw_dump *fadump_conf)  in opal_fadump_invalidate()  argument
354 	fadump_conf->dump_active = 0;  in opal_fadump_invalidate()
359 static void opal_fadump_cleanup(struct fw_dump *fadump_conf)  in opal_fadump_cleanup()  argument
372 static bool __init is_opal_fadump_cpu_data_valid(struct fw_dump *fadump_conf)  in is_opal_fadump_cpu_data_valid()  argument
377 	fadump_conf->cpu_state_data_version =  in is_opal_fadump_cpu_data_valid()
379 	fadump_conf->cpu_state_entry_size =  in is_opal_fadump_cpu_data_valid()
381 	fadump_conf->cpu_state_dest_vaddr =  in is_opal_fadump_cpu_data_valid()
383 	fadump_conf->cpu_state_data_size =  in is_opal_fadump_cpu_data_valid()
386 	if (fadump_conf->cpu_state_data_version != HDAT_FADUMP_CPU_DATA_VER) {  in is_opal_fadump_cpu_data_valid()
389 			fadump_conf->cpu_state_data_version);  in is_opal_fadump_cpu_data_valid()
393 	if ((fadump_conf->cpu_state_dest_vaddr == 0) ||  in is_opal_fadump_cpu_data_valid()
394 	    (fadump_conf->cpu_state_entry_size == 0) ||  in is_opal_fadump_cpu_data_valid()
395 	    (fadump_conf->cpu_state_entry_size >  in is_opal_fadump_cpu_data_valid()
396 	     fadump_conf->cpu_state_data_size)) {  in is_opal_fadump_cpu_data_valid()
417 opal_fadump_build_cpu_notes(struct fw_dump *fadump_conf,  in opal_fadump_build_cpu_notes()  argument
428 	if (is_opal_fadump_cpu_data_valid(fadump_conf)) {  in opal_fadump_build_cpu_notes()
429 		size_per_thread = fadump_conf->cpu_state_entry_size;  in opal_fadump_build_cpu_notes()
430 		num_cpus = (fadump_conf->cpu_state_data_size / size_per_thread);  in opal_fadump_build_cpu_notes()
431 		bufp = __va(fadump_conf->cpu_state_dest_vaddr);  in opal_fadump_build_cpu_notes()
439 	note_buf = (u32 *)fadump_conf->cpu_notes_buf_vaddr;  in opal_fadump_build_cpu_notes()
503 	if (fadump_conf->cpu_notes_buf_vaddr == (u64)note_buf) {  in opal_fadump_build_cpu_notes()
516 		 fadump_conf->elfcorehdr_addr);  in opal_fadump_build_cpu_notes()
517 	fadump_update_elfcore_header((char *)fadump_conf->elfcorehdr_addr);  in opal_fadump_build_cpu_notes()
521 static int __init opal_fadump_process(struct fw_dump *fadump_conf)  in opal_fadump_process()  argument
526 	if (!opal_fdm_active || !fadump_conf->fadumphdr_addr)  in opal_fadump_process()
529 	fdh = __va(fadump_conf->fadumphdr_addr);  in opal_fadump_process()
543 	return opal_fadump_build_cpu_notes(fadump_conf, fdh);  in opal_fadump_process()
546 static void opal_fadump_region_show(struct fw_dump *fadump_conf,  in opal_fadump_region_show()  argument
553 	if (fadump_conf->dump_active)  in opal_fadump_region_show()
563 		if ((fadump_conf->dump_active) &&  in opal_fadump_region_show()
575 	if (fadump_conf->dump_active) {  in opal_fadump_region_show()
577 			   fadump_conf->boot_mem_top);  in opal_fadump_region_show()
623 void __init opal_fadump_dt_scan(struct fw_dump *fadump_conf, u64 node)  in opal_fadump_dt_scan()  argument
668 	fadump_conf->ops			= &opal_fadump_ops;  in opal_fadump_dt_scan()
669 	fadump_conf->fadump_supported		= 1;  in opal_fadump_dt_scan()
671 	fadump_conf->param_area_supported	= 0;  in opal_fadump_dt_scan()
677 	fadump_conf->max_copy_size = ALIGN_DOWN(U32_MAX, PAGE_SIZE);  in opal_fadump_dt_scan()
716 	fadump_conf->dump_active = 1;  in opal_fadump_dt_scan()
717 	opal_fadump_get_config(fadump_conf, opal_fdm_active);  in opal_fadump_dt_scan()