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 = 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 = fdm->fadumphdr_addr;  in opal_fadump_update_config()
115 static void 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 = fdm->rgn[0].dest;  in opal_fadump_get_config()
172 	fadump_conf->boot_mem_top = (fadump_conf->boot_memory_size + hole_size);  in opal_fadump_get_config()
173 	fadump_conf->boot_mem_regs_cnt = fdm->region_cnt;  in opal_fadump_get_config()
174 	opal_fadump_update_config(fadump_conf, fdm);  in opal_fadump_get_config()
186 static u64 opal_fadump_init_mem_struct(struct fw_dump *fadump_conf)  in opal_fadump_init_mem_struct()  argument
188 	u64 addr = fadump_conf->reserve_dump_area_start;  in opal_fadump_init_mem_struct()
191 	opal_fdm = __va(fadump_conf->kernel_metadata);  in opal_fadump_init_mem_struct()
195 	for (i = 0; i < fadump_conf->boot_mem_regs_cnt; i++) {  in opal_fadump_init_mem_struct()
196 		opal_fdm->rgn[i].src	= fadump_conf->boot_mem_addr[i];  in opal_fadump_init_mem_struct()
198 		opal_fdm->rgn[i].size	= fadump_conf->boot_mem_sz[i];  in opal_fadump_init_mem_struct()
201 		addr += fadump_conf->boot_mem_sz[i];  in opal_fadump_init_mem_struct()
209 				    fadump_conf->boot_memory_size);  in opal_fadump_init_mem_struct()
211 	opal_fadump_update_config(fadump_conf, opal_fdm);  in opal_fadump_init_mem_struct()
221 static int opal_fadump_setup_metadata(struct fw_dump *fadump_conf)  in opal_fadump_setup_metadata()  argument
230 	fadump_conf->kernel_metadata = (fadump_conf->reserve_dump_area_start +  in opal_fadump_setup_metadata()
231 					fadump_conf->reserve_dump_area_size -  in opal_fadump_setup_metadata()
233 	pr_info("Kernel metadata addr: %llx\n", fadump_conf->kernel_metadata);  in opal_fadump_setup_metadata()
236 	opal_fdm = __va(fadump_conf->kernel_metadata);  in opal_fadump_setup_metadata()
244 				      fadump_conf->kernel_metadata);  in opal_fadump_setup_metadata()
255 				      fadump_conf->boot_mem_top);  in opal_fadump_setup_metadata()
269 static int opal_fadump_register(struct fw_dump *fadump_conf)  in opal_fadump_register()  argument
288 		fadump_conf->dump_registered = 1;  in opal_fadump_register()
295 		fadump_conf->dump_registered = 1;  in opal_fadump_register()
303 		fadump_conf->fadump_supported = 0;  in opal_fadump_register()
304 		fadump_conf->fadump_enabled = 0;  in opal_fadump_register()
316 		opal_fadump_unregister(fadump_conf);  in opal_fadump_register()
321 static int opal_fadump_unregister(struct fw_dump *fadump_conf)  in opal_fadump_unregister()  argument
332 	fadump_conf->dump_registered = 0;  in opal_fadump_unregister()
336 static int opal_fadump_invalidate(struct fw_dump *fadump_conf)  in opal_fadump_invalidate()  argument
346 	fadump_conf->dump_active = 0;  in opal_fadump_invalidate()
351 static void opal_fadump_cleanup(struct fw_dump *fadump_conf)  in opal_fadump_cleanup()  argument
364 static bool __init is_opal_fadump_cpu_data_valid(struct fw_dump *fadump_conf)  in is_opal_fadump_cpu_data_valid()  argument
369 	fadump_conf->cpu_state_data_version =  in is_opal_fadump_cpu_data_valid()
371 	fadump_conf->cpu_state_entry_size =  in is_opal_fadump_cpu_data_valid()
373 	fadump_conf->cpu_state_dest_vaddr =  in is_opal_fadump_cpu_data_valid()
375 	fadump_conf->cpu_state_data_size =  in is_opal_fadump_cpu_data_valid()
378 	if (fadump_conf->cpu_state_data_version != HDAT_FADUMP_CPU_DATA_VER) {  in is_opal_fadump_cpu_data_valid()
381 			fadump_conf->cpu_state_data_version);  in is_opal_fadump_cpu_data_valid()
385 	if ((fadump_conf->cpu_state_dest_vaddr == 0) ||  in is_opal_fadump_cpu_data_valid()
386 	    (fadump_conf->cpu_state_entry_size == 0) ||  in is_opal_fadump_cpu_data_valid()
387 	    (fadump_conf->cpu_state_entry_size >  in is_opal_fadump_cpu_data_valid()
388 	     fadump_conf->cpu_state_data_size)) {  in is_opal_fadump_cpu_data_valid()
409 opal_fadump_build_cpu_notes(struct fw_dump *fadump_conf,  in opal_fadump_build_cpu_notes()  argument
420 	if (is_opal_fadump_cpu_data_valid(fadump_conf)) {  in opal_fadump_build_cpu_notes()
421 		size_per_thread = fadump_conf->cpu_state_entry_size;  in opal_fadump_build_cpu_notes()
422 		num_cpus = (fadump_conf->cpu_state_data_size / size_per_thread);  in opal_fadump_build_cpu_notes()
423 		bufp = __va(fadump_conf->cpu_state_dest_vaddr);  in opal_fadump_build_cpu_notes()
431 	note_buf = (u32 *)fadump_conf->cpu_notes_buf_vaddr;  in opal_fadump_build_cpu_notes()
495 	if (fadump_conf->cpu_notes_buf_vaddr == (u64)note_buf) {  in opal_fadump_build_cpu_notes()
513 static int __init opal_fadump_process(struct fw_dump *fadump_conf)  in opal_fadump_process()  argument
518 	if (!opal_fdm_active || !fadump_conf->fadumphdr_addr)  in opal_fadump_process()
522 	fdh = __va(fadump_conf->fadumphdr_addr);  in opal_fadump_process()
540 	rc = opal_fadump_build_cpu_notes(fadump_conf, fdh);  in opal_fadump_process()
554 static void opal_fadump_region_show(struct fw_dump *fadump_conf,  in opal_fadump_region_show()  argument
561 	if (fadump_conf->dump_active)  in opal_fadump_region_show()
571 		if ((fadump_conf->dump_active) &&  in opal_fadump_region_show()
582 	if (fadump_conf->dump_active) {  in opal_fadump_region_show()
584 			   fadump_conf->reserve_dump_area_start);  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
667 	fadump_conf->ops		= &opal_fadump_ops;  in opal_fadump_dt_scan()
668 	fadump_conf->fadump_supported	= 1;  in opal_fadump_dt_scan()
674 	fadump_conf->max_copy_size = ALIGN_DOWN(U32_MAX, PAGE_SIZE);  in opal_fadump_dt_scan()
713 	fadump_conf->dump_active = 1;  in opal_fadump_dt_scan()
714 	opal_fadump_get_config(fadump_conf, opal_fdm_active);  in opal_fadump_dt_scan()