86 static blk_status_t sr_init_command(struct scsi_cmnd *SCpnt);
322 static int sr_done(struct scsi_cmnd *SCpnt)  in sr_done()  argument
324 	int result = SCpnt->result;  in sr_done()
325 	int this_count = scsi_bufflen(SCpnt);  in sr_done()
329 	struct scsi_cd *cd = scsi_cd(SCpnt->request->rq_disk);  in sr_done()
332 	scmd_printk(KERN_INFO, SCpnt, "done: %x\n", result);  in sr_done()
342 	    (SCpnt->sense_buffer[0] & 0x7f) == 0x70) { /* Sense current */  in sr_done()
343 		switch (SCpnt->sense_buffer[2]) {  in sr_done()
347 			if (!(SCpnt->sense_buffer[0] & 0x90))  in sr_done()
350 				get_unaligned_be32(&SCpnt->sense_buffer[3]);  in sr_done()
351 			if (SCpnt->request->bio != NULL)  in sr_done()
353 					bio_sectors(SCpnt->request->bio);  in sr_done()
360 				      blk_rq_pos(SCpnt->request)) << 9;  in sr_done()
388 static blk_status_t sr_init_command(struct scsi_cmnd *SCpnt)  in sr_init_command()  argument
392 	struct request *rq = SCpnt->request;  in sr_init_command()
395 	ret = scsi_alloc_sgtables(SCpnt);  in sr_init_command()
400 	SCSI_LOG_HLQUEUE(1, scmd_printk(KERN_INFO, SCpnt,  in sr_init_command()
404 		SCSI_LOG_HLQUEUE(2, scmd_printk(KERN_INFO, SCpnt,  in sr_init_command()
406 		SCSI_LOG_HLQUEUE(2, scmd_printk(KERN_INFO, SCpnt,  in sr_init_command()
407 			"Retry with 0x%p\n", SCpnt));  in sr_init_command()
428 			scmd_printk(KERN_INFO, SCpnt,  in sr_init_command()
433 		scmd_printk(KERN_ERR, SCpnt, "bad sector size %d\n", s_size);  in sr_init_command()
441 		SCpnt->cmnd[0] = WRITE_10;  in sr_init_command()
445 		SCpnt->cmnd[0] = READ_10;  in sr_init_command()
454 		int i, size = 0, sg_count = scsi_sg_count(SCpnt);  in sr_init_command()
456 		scsi_for_each_sg(SCpnt, sg, sg_count, i)  in sr_init_command()
459 		if (size != scsi_bufflen(SCpnt)) {  in sr_init_command()
460 			scmd_printk(KERN_ERR, SCpnt,  in sr_init_command()
462 				size, scsi_bufflen(SCpnt));  in sr_init_command()
463 			if (scsi_bufflen(SCpnt) > size)  in sr_init_command()
464 				SCpnt->sdb.length = size;  in sr_init_command()
472 	    (scsi_bufflen(SCpnt) % s_size)) {  in sr_init_command()
473 		scmd_printk(KERN_NOTICE, SCpnt, "unaligned transfer\n");  in sr_init_command()
477 	this_count = (scsi_bufflen(SCpnt) >> 9) / (s_size >> 9);  in sr_init_command()
480 	SCSI_LOG_HLQUEUE(2, scmd_printk(KERN_INFO, SCpnt,  in sr_init_command()
486 	SCpnt->cmnd[1] = 0;  in sr_init_command()
491 		SCpnt->sdb.length = this_count * s_size;  in sr_init_command()
494 	put_unaligned_be32(block, &SCpnt->cmnd[2]);  in sr_init_command()
495 	SCpnt->cmnd[6] = SCpnt->cmnd[9] = 0;  in sr_init_command()
496 	put_unaligned_be16(this_count, &SCpnt->cmnd[7]);  in sr_init_command()
503 	SCpnt->transfersize = cd->device->sector_size;  in sr_init_command()
504 	SCpnt->underflow = this_count << 9;  in sr_init_command()
505 	SCpnt->allowed = MAX_RETRIES;  in sr_init_command()
506 	SCpnt->cmd_len = 10;  in sr_init_command()
513 	scsi_free_sgtables(SCpnt);  in sr_init_command()