87 static blk_status_t sr_init_command(struct scsi_cmnd *SCpnt);
291 static int sr_done(struct scsi_cmnd *SCpnt)  in sr_done()  argument
293 	int result = SCpnt->result;  in sr_done()
294 	int this_count = scsi_bufflen(SCpnt);  in sr_done()
298 	struct request *rq = scsi_cmd_to_rq(SCpnt);  in sr_done()
302 	scmd_printk(KERN_INFO, SCpnt, "done: %x\n", result);  in sr_done()
312 	    (SCpnt->sense_buffer[0] & 0x7f) == 0x70) { /* Sense current */  in sr_done()
313 		switch (SCpnt->sense_buffer[2]) {  in sr_done()
317 			if (!(SCpnt->sense_buffer[0] & 0x90))  in sr_done()
320 				get_unaligned_be32(&SCpnt->sense_buffer[3]);  in sr_done()
356 static blk_status_t sr_init_command(struct scsi_cmnd *SCpnt)  in sr_init_command()  argument
360 	struct request *rq = scsi_cmd_to_rq(SCpnt);  in sr_init_command()
363 	ret = scsi_alloc_sgtables(SCpnt);  in sr_init_command()
368 	SCSI_LOG_HLQUEUE(1, scmd_printk(KERN_INFO, SCpnt,  in sr_init_command()
372 		SCSI_LOG_HLQUEUE(2, scmd_printk(KERN_INFO, SCpnt,  in sr_init_command()
374 		SCSI_LOG_HLQUEUE(2, scmd_printk(KERN_INFO, SCpnt,  in sr_init_command()
375 			"Retry with 0x%p\n", SCpnt));  in sr_init_command()
389 		scmd_printk(KERN_ERR, SCpnt, "bad sector size %d\n", s_size);  in sr_init_command()
397 		SCpnt->cmnd[0] = WRITE_10;  in sr_init_command()
401 		SCpnt->cmnd[0] = READ_10;  in sr_init_command()
410 		int i, size = 0, sg_count = scsi_sg_count(SCpnt);  in sr_init_command()
412 		scsi_for_each_sg(SCpnt, sg, sg_count, i)  in sr_init_command()
415 		if (size != scsi_bufflen(SCpnt)) {  in sr_init_command()
416 			scmd_printk(KERN_ERR, SCpnt,  in sr_init_command()
418 				size, scsi_bufflen(SCpnt));  in sr_init_command()
419 			if (scsi_bufflen(SCpnt) > size)  in sr_init_command()
420 				SCpnt->sdb.length = size;  in sr_init_command()
428 	    (scsi_bufflen(SCpnt) % s_size)) {  in sr_init_command()
429 		scmd_printk(KERN_NOTICE, SCpnt, "unaligned transfer\n");  in sr_init_command()
433 	this_count = (scsi_bufflen(SCpnt) >> 9) / (s_size >> 9);  in sr_init_command()
436 	SCSI_LOG_HLQUEUE(2, scmd_printk(KERN_INFO, SCpnt,  in sr_init_command()
442 	SCpnt->cmnd[1] = 0;  in sr_init_command()
447 		SCpnt->sdb.length = this_count * s_size;  in sr_init_command()
450 	put_unaligned_be32(block, &SCpnt->cmnd[2]);  in sr_init_command()
451 	SCpnt->cmnd[6] = SCpnt->cmnd[9] = 0;  in sr_init_command()
452 	put_unaligned_be16(this_count, &SCpnt->cmnd[7]);  in sr_init_command()
459 	SCpnt->transfersize = cd->device->sector_size;  in sr_init_command()
460 	SCpnt->underflow = this_count << 9;  in sr_init_command()
461 	SCpnt->allowed = MAX_RETRIES;  in sr_init_command()
462 	SCpnt->cmd_len = 10;  in sr_init_command()
469 	scsi_free_sgtables(SCpnt);  in sr_init_command()