46 static struct fw_dump fw_dump;  variable
74 	fw_dump.fadump_supported = 1;  in early_init_dt_scan_fw_dump()
75 	fw_dump.ibm_configure_kernel_dump = be32_to_cpu(*token);  in early_init_dt_scan_fw_dump()
83 		fw_dump.dump_active = 1;  in early_init_dt_scan_fw_dump()
104 			fw_dump.cpu_state_data_size =  in early_init_dt_scan_fw_dump()
108 			fw_dump.hpte_region_size =  in early_init_dt_scan_fw_dump()
119 	return fw_dump.dump_active;  in is_fadump_active()
126 			(fw_dump.fadump_supported ? "present" : "no support"));  in fadump_show_config()
128 	if (!fw_dump.fadump_supported)  in fadump_show_config()
132 				(fw_dump.fadump_enabled ? "yes" : "no"));  in fadump_show_config()
134 				(fw_dump.dump_active ? "yes" : "no"));  in fadump_show_config()
136 	pr_debug("    CPU state data size: %lx\n", fw_dump.cpu_state_data_size);  in fadump_show_config()
137 	pr_debug("    HPTE region size   : %lx\n", fw_dump.hpte_region_size);  in fadump_show_config()
138 	pr_debug("Boot memory size  : %lx\n", fw_dump.boot_memory_size);  in fadump_show_config()
173 	fdm->cpu_state_data.source_len = cpu_to_be64(fw_dump.cpu_state_data_size);  in init_fadump_mem_struct()
175 	addr += fw_dump.cpu_state_data_size;  in init_fadump_mem_struct()
181 	fdm->hpte_region.source_len = cpu_to_be64(fw_dump.hpte_region_size);  in init_fadump_mem_struct()
183 	addr += fw_dump.hpte_region_size;  in init_fadump_mem_struct()
189 	fdm->rmr_region.source_len = cpu_to_be64(fw_dump.boot_memory_size);  in init_fadump_mem_struct()
191 	addr += fw_dump.boot_memory_size;  in init_fadump_mem_struct()
219 	if (fw_dump.reserve_bootvar)  in fadump_calculate_reserve_size()
220 		return fw_dump.reserve_bootvar;  in fadump_calculate_reserve_size()
243 	size += fw_dump.cpu_state_data_size;  in get_fadump_area_size()
244 	size += fw_dump.hpte_region_size;  in get_fadump_area_size()
245 	size += fw_dump.boot_memory_size;  in get_fadump_area_size()
260 	if (!fw_dump.fadump_enabled)  in fadump_reserve_mem()
263 	if (!fw_dump.fadump_supported) {  in fadump_reserve_mem()
266 		fw_dump.fadump_enabled = 0;  in fadump_reserve_mem()
275 		fw_dump.boot_memory_size = be64_to_cpu(fdm_active->rmr_region.source_len);  in fadump_reserve_mem()
277 		fw_dump.boot_memory_size = fadump_calculate_reserve_size();  in fadump_reserve_mem()
300 	if (fw_dump.dump_active) {  in fadump_reserve_mem()
308 		base = fw_dump.boot_memory_size;  in fadump_reserve_mem()
316 		fw_dump.fadumphdr_addr =  in fadump_reserve_mem()
320 				(void *) fw_dump.fadumphdr_addr);  in fadump_reserve_mem()
331 	fw_dump.reserve_dump_area_start = base;  in fadump_reserve_mem()
332 	fw_dump.reserve_dump_area_size = size;  in fadump_reserve_mem()
343 		fw_dump.fadump_enabled = 1;  in early_fadump_param()
345 		fw_dump.fadump_enabled = 0;  in early_fadump_param()
355 		fw_dump.reserve_bootvar = memparse(p, &p);  in early_fadump_reserve_mem()
369 		rc = rtas_call(fw_dump.ibm_configure_kernel_dump, 3, 1, NULL,  in register_fw_dump()
391 		fw_dump.dump_registered = 1;  in register_fw_dump()
396 		fw_dump.dump_registered = 1;  in register_fw_dump()
405 	if (!fw_dump.dump_registered || !fw_dump.fadumphdr_addr)  in crash_fadump()
408 	fdh = __va(fw_dump.fadumphdr_addr);  in crash_fadump()
539 		phdr->p_paddr = fw_dump.cpu_notes_buf;  in fadump_update_elfcore_header()
541 		phdr->p_filesz	= fw_dump.cpu_notes_buf_size;  in fadump_update_elfcore_header()
542 		phdr->p_memsz = fw_dump.cpu_notes_buf_size;  in fadump_update_elfcore_header()
625 	fw_dump.cpu_notes_buf_size = num_cpus * sizeof(note_buf_t);  in fadump_build_cpu_notes()
626 	fw_dump.cpu_notes_buf_size = PAGE_ALIGN(fw_dump.cpu_notes_buf_size);  in fadump_build_cpu_notes()
627 	note_buf = fadump_cpu_notes_buf_alloc(fw_dump.cpu_notes_buf_size);  in fadump_build_cpu_notes()
630 			"cpu notes buffer\n", fw_dump.cpu_notes_buf_size);  in fadump_build_cpu_notes()
633 	fw_dump.cpu_notes_buf = __pa(note_buf);  in fadump_build_cpu_notes()
638 	if (fw_dump.fadumphdr_addr)  in fadump_build_cpu_notes()
639 		fdh = __va(fw_dump.fadumphdr_addr);  in fadump_build_cpu_notes()
674 	fadump_cpu_notes_buf_free((unsigned long)__va(fw_dump.cpu_notes_buf),  in fadump_build_cpu_notes()
675 					fw_dump.cpu_notes_buf_size);  in fadump_build_cpu_notes()
676 	fw_dump.cpu_notes_buf = 0;  in fadump_build_cpu_notes()
677 	fw_dump.cpu_notes_buf_size = 0;  in fadump_build_cpu_notes()
691 	if (!fdm_active || !fw_dump.fadumphdr_addr)  in process_fadump()
709 	fdh = __va(fw_dump.fadumphdr_addr);  in process_fadump()
747 	ra_start = fw_dump.reserve_dump_area_start;  in fadump_exclude_reserved_area()
748 	ra_end = ra_start + fw_dump.reserve_dump_area_size;  in fadump_exclude_reserved_area()
810 	fadump_add_crash_memory(RMA_START, fw_dump.boot_memory_size);  in fadump_setup_crash_memory_ranges()
815 		if (start == RMA_START && end >= fw_dump.boot_memory_size)  in fadump_setup_crash_memory_ranges()
816 			start = fw_dump.boot_memory_size;  in fadump_setup_crash_memory_ranges()
830 	if (paddr > RMA_START && paddr < fw_dump.boot_memory_size)  in fadump_relocate()
927 	fw_dump.fadumphdr_addr = addr;  in init_fadump_header()
949 	if (!fw_dump.reserve_dump_area_size)  in register_fadump()
975 		rc = rtas_call(fw_dump.ibm_configure_kernel_dump, 3, 1, NULL,  in fadump_unregister_dump()
989 	fw_dump.dump_registered = 0;  in fadump_unregister_dump()
1002 		rc = rtas_call(fw_dump.ibm_configure_kernel_dump, 3, 1, NULL,  in fadump_invalidate_dump()
1016 	fw_dump.dump_active = 0;  in fadump_invalidate_dump()
1024 	if (fw_dump.dump_active) {  in fadump_cleanup()
1040 	ra_start = fw_dump.reserve_dump_area_start;  in fadump_release_memory()
1041 	ra_end = ra_start + fw_dump.reserve_dump_area_size;  in fadump_release_memory()
1061 	if (!fw_dump.dump_active) {  in fadump_invalidate_release_mem()
1074 	reserved_area_start = fw_dump.reserve_dump_area_start;  in fadump_invalidate_release_mem()
1076 			fw_dump.reserve_dump_area_size;  in fadump_invalidate_release_mem()
1081 	fw_dump.reserve_dump_area_start = destination_address;  in fadump_invalidate_release_mem()
1082 	fw_dump.reserve_dump_area_size = get_fadump_area_size();  in fadump_invalidate_release_mem()
1085 	if (fw_dump.cpu_notes_buf) {  in fadump_invalidate_release_mem()
1087 				(unsigned long)__va(fw_dump.cpu_notes_buf),  in fadump_invalidate_release_mem()
1088 				fw_dump.cpu_notes_buf_size);  in fadump_invalidate_release_mem()
1089 		fw_dump.cpu_notes_buf = 0;  in fadump_invalidate_release_mem()
1090 		fw_dump.cpu_notes_buf_size = 0;  in fadump_invalidate_release_mem()
1093 	init_fadump_mem_struct(&fdm, fw_dump.reserve_dump_area_start);  in fadump_invalidate_release_mem()
1100 	if (!fw_dump.dump_active)  in fadump_release_memory_store()
1120 	return sprintf(buf, "%d\n", fw_dump.fadump_enabled);  in fadump_enabled_show()
1127 	return sprintf(buf, "%d\n", fw_dump.dump_registered);  in fadump_register_show()
1136 	if (!fw_dump.fadump_enabled || fdm_active)  in fadump_register_store()
1143 		if (fw_dump.dump_registered == 0) {  in fadump_register_store()
1151 		if (fw_dump.dump_registered == 1) {  in fadump_register_store()
1172 	if (!fw_dump.fadump_enabled)  in fadump_region_show()
1209 		(fw_dump.reserve_dump_area_start ==  in fadump_region_show()
1217 			(unsigned long long)fw_dump.reserve_dump_area_start,  in fadump_region_show()
1220 			fw_dump.reserve_dump_area_start,  in fadump_region_show()
1222 			fw_dump.reserve_dump_area_start);  in fadump_region_show()
1273 	if (fw_dump.dump_active) {  in fadump_init_files()
1287 	if (!fw_dump.fadump_enabled)  in setup_fadump()
1290 	if (!fw_dump.fadump_supported) {  in setup_fadump()
1301 	if (fw_dump.dump_active) {  in setup_fadump()
1310 	else if (fw_dump.reserve_dump_area_size)  in setup_fadump()
1311 		init_fadump_mem_struct(&fdm, fw_dump.reserve_dump_area_start);  in setup_fadump()