365 static int check_register(struct host1x_firewall *fw, unsigned long offset)  in check_register()  argument
367 	if (!fw->job->is_addr_reg)  in check_register()
370 	if (fw->job->is_addr_reg(fw->dev, fw->class, offset)) {  in check_register()
371 		if (!fw->num_relocs)  in check_register()
374 		if (!check_reloc(fw->reloc, fw->cmdbuf, fw->offset))  in check_register()
377 		fw->num_relocs--;  in check_register()
378 		fw->reloc++;  in check_register()
382 		if (fw->class != HOST1X_CLASS_HOST1X)  in check_register()
385 		if (!fw->num_waitchks)  in check_register()
388 		if (!check_wait(fw->waitchk, fw->cmdbuf, fw->offset))  in check_register()
391 		fw->num_waitchks--;  in check_register()
392 		fw->waitchk++;  in check_register()
398 static int check_class(struct host1x_firewall *fw, u32 class)  in check_class()  argument
400 	if (!fw->job->is_valid_class) {  in check_class()
401 		if (fw->class != class)  in check_class()
404 		if (!fw->job->is_valid_class(fw->class))  in check_class()
411 static int check_mask(struct host1x_firewall *fw)  in check_mask()  argument
413 	u32 mask = fw->mask;  in check_mask()
414 	u32 reg = fw->reg;  in check_mask()
418 		if (fw->words == 0)  in check_mask()
422 			ret = check_register(fw, reg);  in check_mask()
426 			fw->words--;  in check_mask()
427 			fw->offset++;  in check_mask()
436 static int check_incr(struct host1x_firewall *fw)  in check_incr()  argument
438 	u32 count = fw->count;  in check_incr()
439 	u32 reg = fw->reg;  in check_incr()
443 		if (fw->words == 0)  in check_incr()
446 		ret = check_register(fw, reg);  in check_incr()
451 		fw->words--;  in check_incr()
452 		fw->offset++;  in check_incr()
459 static int check_nonincr(struct host1x_firewall *fw)  in check_nonincr()  argument
461 	u32 count = fw->count;  in check_nonincr()
465 		if (fw->words == 0)  in check_nonincr()
468 		ret = check_register(fw, fw->reg);  in check_nonincr()
472 		fw->words--;  in check_nonincr()
473 		fw->offset++;  in check_nonincr()
480 static int validate(struct host1x_firewall *fw, struct host1x_job_gather *g)  in validate()  argument
482 	u32 *cmdbuf_base = (u32 *)fw->job->gather_copy_mapped +  in validate()
484 	u32 job_class = fw->class;  in validate()
487 	fw->words = g->words;  in validate()
488 	fw->cmdbuf = g->bo;  in validate()
489 	fw->offset = 0;  in validate()
491 	while (fw->words && !err) {  in validate()
492 		u32 word = cmdbuf_base[fw->offset];  in validate()
495 		fw->mask = 0;  in validate()
496 		fw->reg = 0;  in validate()
497 		fw->count = 0;  in validate()
498 		fw->words--;  in validate()
499 		fw->offset++;  in validate()
503 			fw->class = word >> 6 & 0x3ff;  in validate()
504 			fw->mask = word & 0x3f;  in validate()
505 			fw->reg = word >> 16 & 0xfff;  in validate()
506 			err = check_class(fw, job_class);  in validate()
508 				err = check_mask(fw);  in validate()
513 			fw->reg = word >> 16 & 0xfff;  in validate()
514 			fw->count = word & 0xffff;  in validate()
515 			err = check_incr(fw);  in validate()
521 			fw->reg = word >> 16 & 0xfff;  in validate()
522 			fw->count = word & 0xffff;  in validate()
523 			err = check_nonincr(fw);  in validate()
529 			fw->mask = word & 0xffff;  in validate()
530 			fw->reg = word >> 16 & 0xfff;  in validate()
531 			err = check_mask(fw);  in validate()
551 	struct host1x_firewall fw;  in copy_gathers()  local
556 	fw.job = job;  in copy_gathers()
557 	fw.dev = dev;  in copy_gathers()
558 	fw.reloc = job->relocarray;  in copy_gathers()
559 	fw.num_relocs = job->num_relocs;  in copy_gathers()
560 	fw.waitchk = job->waitchk;  in copy_gathers()
561 	fw.num_waitchks = job->num_waitchk;  in copy_gathers()
562 	fw.class = job->class;  in copy_gathers()
602 		if (validate(&fw, g))  in copy_gathers()
609 	if (fw.num_relocs || fw.num_waitchks)  in copy_gathers()