17 #define pr_fmt(fmt) "kexec ranges: " fmt
31  * get_max_nr_ranges - Get the max no. of ranges crash_mem structure
35  * Returns the maximum no. of ranges.
46  * @mem_rngs:          Memory ranges.
68  * __add_mem_range - add a memory range to memory ranges list.
87 	mem_rngs->ranges[mem_rngs->nr_ranges].start = base;  in __add_mem_range()
88 	mem_rngs->ranges[mem_rngs->nr_ranges].end = base + size - 1;  in __add_mem_range()
96  * __merge_memory_ranges - Merges the given memory ranges list.
105 	struct range *ranges;  in __merge_memory_ranges()  local
112 	ranges = &(mem_rngs->ranges[0]);  in __merge_memory_ranges()
114 		if (ranges[i].start <= (ranges[i-1].end + 1))  in __merge_memory_ranges()
115 			ranges[idx].end = ranges[i].end;  in __merge_memory_ranges()
121 			ranges[idx] = ranges[i];  in __merge_memory_ranges()
127 /* cmp_func_t callback to sort ranges with sort() */
140  * sort_memory_ranges - Sorts the given memory ranges list.
153 	/* Sort the ranges in-place */  in sort_memory_ranges()
154 	sort(&(mem_rngs->ranges[0]), mem_rngs->nr_ranges,  in sort_memory_ranges()
155 	     sizeof(mem_rngs->ranges[0]), rngcmp, NULL);  in sort_memory_ranges()
161 	pr_debug("Memory ranges:\n");  in sort_memory_ranges()
164 			 mem_rngs->ranges[i].start,  in sort_memory_ranges()
165 			 mem_rngs->ranges[i].end);  in sort_memory_ranges()
173  * @mem_ranges:         Memory ranges to reallocate.
227 		mstart = mem_rngs->ranges[i].start;  in add_mem_range()
228 		mend = mem_rngs->ranges[i].end;  in add_mem_range()
231 				mem_rngs->ranges[i].start = base;  in add_mem_range()
233 				mem_rngs->ranges[i].end = end;  in add_mem_range()
245  * add_tce_mem_ranges - Adds tce-table range to the given memory ranges list.
283  * add_initrd_mem_range - Adds initrd range to the given memory ranges list,
307  * add_htab_mem_range - Adds htab range to the given memory ranges list,
328  *                        memory ranges list.
341  * add_rtas_mem_range - Adds RTAS region to the given memory ranges list.
366  * add_opal_mem_range - Adds OPAL region to the given memory ranges list.
393  * add_reserved_mem_ranges - Adds "/reserved-ranges" regions exported by f/w
394  *                           to the given memory ranges list.
395  * @mem_ranges:              Range list to add the memory ranges to.
405 	prop = of_get_property(root, "reserved-ranges", &len);  in add_reserved_mem_ranges()
431  * get_reserved_memory_ranges - Get reserve memory ranges. This list includes
435  * @mem_ranges:                 Range list to add the memory ranges to.
454 		pr_err("Failed to setup reserved memory ranges\n");  in get_reserved_memory_ranges()
459  * get_exclude_memory_ranges - Get exclude memory ranges. This list includes
463  * @mem_ranges:                Range list to add the memory ranges to.
499 	/* exclude memory ranges should be sorted for easy lookup */  in get_exclude_memory_ranges()
503 		pr_err("Failed to setup exclude memory ranges\n");  in get_exclude_memory_ranges()
509  * get_usable_memory_ranges - Get usable memory ranges. This list includes
512  * @mem_ranges:               Range list to add the memory ranges to.
542 		pr_err("Failed to setup usable memory ranges\n");  in get_usable_memory_ranges()
550  * get_crash_memory_ranges - Get crash memory ranges. This list includes
553  * @mem_ranges:              Range list to add the memory ranges to.
580 		/* Try merging adjacent ranges before reallocation attempt */  in get_crash_memory_ranges()
585 	/* Reallocate memory ranges if there is no space to split ranges */  in get_crash_memory_ranges()
620 		pr_err("Failed to setup crash memory ranges\n");  in get_crash_memory_ranges()
652 		mstart = mem_rngs->ranges[i].start;  in remove_mem_range()
653 		mend = mem_rngs->ranges[i].end;  in remove_mem_range()
668 				mem_rngs->ranges[i].start = mem_rngs->ranges[i+1].start;  in remove_mem_range()
669 				mem_rngs->ranges[i].end = mem_rngs->ranges[i+1].end;  in remove_mem_range()
681 			mem_rngs->ranges[i].start = end + 1;  in remove_mem_range()
691 			mem_rngs->ranges[i].end = base - 1;  in remove_mem_range()
700 			mem_rngs->ranges[i].end = base - 1;  in remove_mem_range()
701 			size = mem_rngs->ranges[i].end - end;  in remove_mem_range()