91 static inline int imr_is_enabled(struct imr_regs *imr)  in imr_is_enabled()  argument
93 	return !(imr->rmask == IMR_READ_ACCESS_ALL &&  in imr_is_enabled()
94 		 imr->wmask == IMR_WRITE_ACCESS_ALL &&  in imr_is_enabled()
95 		 imr_to_phys(imr->addr_lo) == 0 &&  in imr_is_enabled()
96 		 imr_to_phys(imr->addr_hi) == 0);  in imr_is_enabled()
109 static int imr_read(struct imr_device *idev, u32 imr_id, struct imr_regs *imr)  in imr_read()  argument
115 				reg++, &imr->addr_lo);  in imr_read()
120 				reg++, &imr->addr_hi);  in imr_read()
125 				reg++, &imr->rmask);  in imr_read()
130 				reg++, &imr->wmask);  in imr_read()
146 		     struct imr_regs *imr, bool lock)  in imr_write()  argument
155 				imr->addr_lo);  in imr_write()
160 				reg++, imr->addr_hi);  in imr_write()
165 				reg++, imr->rmask);  in imr_write()
170 				reg++, imr->wmask);  in imr_write()
176 		imr->addr_lo |= IMR_LOCK;  in imr_write()
178 					reg - IMR_NUM_REGS, imr->addr_lo);  in imr_write()
193 	     imr_to_phys(imr->addr_lo), imr_to_phys(imr->addr_hi) + IMR_MASK);  in imr_write()
211 	struct imr_regs imr;  in imr_dbgfs_state_show()  local
219 		ret = imr_read(idev, i, &imr);  in imr_dbgfs_state_show()
228 		if (imr_is_enabled(&imr)) {  in imr_dbgfs_state_show()
229 			base = imr_to_phys(imr.addr_lo);  in imr_dbgfs_state_show()
230 			end = imr_to_phys(imr.addr_hi) + IMR_MASK;  in imr_dbgfs_state_show()
238 			   &base, &end, size, imr.rmask, imr.wmask,  in imr_dbgfs_state_show()
239 			   imr_is_enabled(&imr) ? "enabled " : "disabled",  in imr_dbgfs_state_show()
240 			   imr.addr_lo & IMR_LOCK ? "locked" : "unlocked");  in imr_dbgfs_state_show()
332 static inline int imr_address_overlap(phys_addr_t addr, struct imr_regs *imr)  in imr_address_overlap()  argument
334 	return addr >= imr_to_phys(imr->addr_lo) && addr <= imr_to_phys(imr->addr_hi);  in imr_address_overlap()
353 	struct imr_regs imr;  in imr_add_range()  local
373 	imr.addr_lo = phys_to_imr(base);  in imr_add_range()
374 	imr.addr_hi = phys_to_imr(end);  in imr_add_range()
375 	imr.rmask = rmask;  in imr_add_range()
376 	imr.wmask = wmask;  in imr_add_range()
377 	if (!imr_is_enabled(&imr))  in imr_add_range()
390 		ret = imr_read(idev, i, &imr);  in imr_add_range()
396 		if (imr_is_enabled(&imr)) {  in imr_add_range()
397 			if (imr_address_overlap(base, &imr))  in imr_add_range()
399 			if (imr_address_overlap(end, &imr))  in imr_add_range()
416 	imr.addr_lo = phys_to_imr(base);  in imr_add_range()
417 	imr.addr_hi = phys_to_imr(end);  in imr_add_range()
418 	imr.rmask = rmask;  in imr_add_range()
419 	imr.wmask = wmask;  in imr_add_range()
421 	ret = imr_write(idev, reg, &imr, lock);  in imr_add_range()
428 		imr.addr_lo = 0;  in imr_add_range()
429 		imr.addr_hi = 0;  in imr_add_range()
430 		imr.rmask = IMR_READ_ACCESS_ALL;  in imr_add_range()
431 		imr.wmask = IMR_WRITE_ACCESS_ALL;  in imr_add_range()
432 		imr_write(idev, reg, &imr, false);  in imr_add_range()
462 	struct imr_regs imr;  in __imr_remove_range()  local
487 		ret = imr_read(idev, reg, &imr);  in __imr_remove_range()
491 		if (!imr_is_enabled(&imr) || imr.addr_lo & IMR_LOCK) {  in __imr_remove_range()
499 			ret = imr_read(idev, i, &imr);  in __imr_remove_range()
503 			if (!imr_is_enabled(&imr) || imr.addr_lo & IMR_LOCK)  in __imr_remove_range()
506 			if ((imr_to_phys(imr.addr_lo) == base) &&  in __imr_remove_range()
507 			    (imr_to_phys(imr.addr_hi) == end)) {  in __imr_remove_range()
523 	imr.addr_lo = 0;  in __imr_remove_range()
524 	imr.addr_hi = 0;  in __imr_remove_range()
525 	imr.rmask = IMR_READ_ACCESS_ALL;  in __imr_remove_range()
526 	imr.wmask = IMR_WRITE_ACCESS_ALL;  in __imr_remove_range()
528 	ret = imr_write(idev, reg, &imr, false);  in __imr_remove_range()