1 // SPDX-License-Identifier: GPL-2.0
35 	return &physmem_info.online_extended[n - MEM_INLINED_ENTRIES];  in __get_physmem_range_ptr()
47 		range = __get_physmem_range_ptr(physmem_info.range_count - 1);  in add_physmem_online_range()
48 		if (range->end == start) {  in add_physmem_online_range()
49 			range->end = end;  in add_physmem_online_range()
55 	range->start = start;  in add_physmem_online_range()
56 	range->end = end;  in add_physmem_online_range()
87 		  "+Q" (get_lowcore()->program_new_psw),  in __diag260()
91 		  [psw_pgm] "a" (&get_lowcore()->program_new_psw)  in __diag260()
93 	cc = exception ? -1 : CC_TRANSFORM(cc);  in __diag260()
94 	return cc == 0 ? ry : -1;  in __diag260()
108 	if (rc == -1)  in diag260()
109 		return -1;  in diag260()
139 		  "=Q" (get_lowcore()->program_new_psw),  in diag500_storage_limit()
142 		  [psw_pgm] "a" (&get_lowcore()->program_new_psw),  in diag500_storage_limit()
146 		return -EINVAL;  in diag500_storage_limit()
174 		  "=Q" (get_lowcore()->program_new_psw.addr),  in tprot()
177 		  [psw_pgm] "a" (&get_lowcore()->program_new_psw),  in tprot()
180 	cc = exception ? -EFAULT : CC_TRANSFORM(cc);  in tprot()
186 	unsigned long range = 1 << (MAX_PHYSMEM_BITS - 20); /* in 1MB blocks */  in search_mem_end()
237 		boot_debug(" online [%d]:   0x%016lx-0x%016lx\n", i, start, end);  in detect_physmem_online_ranges()
247 static void die_oom(unsigned long size, unsigned long align, unsigned long min, unsigned long max)  in die_oom()  argument
258 		   size, align, min, max);  in die_oom()
262 		total_reserved_mem += end - start;  in die_oom()
268 		total_mem += end - start;  in die_oom()
272 		   total_mem > total_reserved_mem ? total_mem - total_reserved_mem : 0);  in die_oom()
274 	boot_emerg(" -- System halted\n");  in die_oom()
278 static void _physmem_reserve(enum reserved_range_type type, unsigned long addr, unsigned long size)  in _physmem_reserve()  argument
281 	physmem_info.reserved[type].end = addr + size;  in _physmem_reserve()
284 void physmem_reserve(enum reserved_range_type type, unsigned long addr, unsigned long size)  in physmem_reserve()  argument
286 	_physmem_reserve(type, addr, size);  in physmem_reserve()
287 	boot_debug("%-14s 0x%016lx-0x%016lx %s\n", "Reserve:", addr, addr + size,  in physmem_reserve()
293 	boot_debug("%-14s 0x%016lx-0x%016lx %s\n", "Free:", physmem_info.reserved[type].start,  in physmem_free()
299 static bool __physmem_alloc_intersects(unsigned long addr, unsigned long size,  in __physmem_alloc_intersects()  argument
308 		if (intersects(addr, size, res_addr, res_size)) {  in __physmem_alloc_intersects()
313 	return ipl_report_certs_intersects(addr, size, intersection_start);  in __physmem_alloc_intersects()
316 static unsigned long __physmem_alloc_range(unsigned long size, unsigned long align,  in __physmem_alloc_range()  argument
326 	align = max(align, 8UL);  in __physmem_alloc_range()
328 		__get_physmem_range(nranges - 1, &range_start, &range_end, false);  in __physmem_alloc_range()
331 		if (round_up(min, align) + size > pos)  in __physmem_alloc_range()
333 		addr = round_down(pos - size, align);  in __physmem_alloc_range()
335 			nranges--;  in __physmem_alloc_range()
338 		if (__physmem_alloc_intersects(addr, size, &intersection_start)) {  in __physmem_alloc_range()
348 		die_oom(size, align, min, max);  in __physmem_alloc_range()
352 unsigned long physmem_alloc_range(enum reserved_range_type type, unsigned long size,  in physmem_alloc_range()  argument
353 				  unsigned long align, unsigned long min, unsigned long max,  in physmem_alloc_range()  argument
359 	addr = __physmem_alloc_range(size, align, min, max, 0, NULL, die_on_oom);  in physmem_alloc_range()
361 		_physmem_reserve(type, addr, size);  in physmem_alloc_range()
362 	boot_debug("%-14s 0x%016lx-0x%016lx %s\n", "Alloc range:", addr, addr + size,  in physmem_alloc_range()
367 unsigned long physmem_alloc(enum reserved_range_type type, unsigned long size,  in physmem_alloc()  argument
368 			    unsigned long align, bool die_on_oom)  in physmem_alloc()  argument
375 	addr = __physmem_alloc_range(size, align, 0, physmem_alloc_pos, physmem_alloc_ranges,  in physmem_alloc()
380 	if (range->start != addr + size) {  in physmem_alloc()
381 		if (range->end) {  in physmem_alloc()
386 			addr = __physmem_alloc_range(size, align, 0, addr, ranges_left,  in physmem_alloc()
391 			range->chain = new_range;  in physmem_alloc()
393 		range->end = addr + size;  in physmem_alloc()
396 		boot_debug("%-14s 0x%016lx-0x%016lx %-20s align 0x%lx split %d\n", "Alloc topdown:",  in physmem_alloc()
397 			   addr, addr + size, get_rr_type_name(type), align, !!new_range);  in physmem_alloc()
399 	range->start = addr;  in physmem_alloc()
405 unsigned long physmem_alloc_or_die(enum reserved_range_type type, unsigned long size,  in physmem_alloc_or_die()  argument
406 				   unsigned long align)  in physmem_alloc_or_die()  argument
408 	return physmem_alloc(type, size, align, true);  in physmem_alloc_or_die()
425 			boot_debug("%-14s 0x%016lx-0x%016lx @%012lx chain %012lx\n",  in dump_physmem_reserved()
427 				   (unsigned long)range->chain);  in dump_physmem_reserved()