186 ch_do_scsi(scsi_changer *ch, unsigned char *cmd, int cmd_len,  in ch_do_scsi()  argument
193 	timeout = (cmd[0] == INITIALIZE_ELEMENT_STATUS)  in ch_do_scsi()
198 	result = scsi_execute_req(ch->device, cmd, direction, buffer,  in ch_do_scsi()
237 	u_char  cmd[12];  in ch_read_element_status()  local
246 	memset(cmd,0,sizeof(cmd));  in ch_read_element_status()
247 	cmd[0] = READ_ELEMENT_STATUS;  in ch_read_element_status()
248 	cmd[1] = ((ch->device->lun & 0x7) << 5) |  in ch_read_element_status()
251 	cmd[2] = (elem >> 8) & 0xff;  in ch_read_element_status()
252 	cmd[3] = elem        & 0xff;  in ch_read_element_status()
253 	cmd[5] = 1;  in ch_read_element_status()
254 	cmd[9] = 255;  in ch_read_element_status()
255 	if (0 == (result = ch_do_scsi(ch, cmd, 12,  in ch_read_element_status()
280 	u_char cmd[6];  in ch_init_elem()  local
283 	memset(cmd,0,sizeof(cmd));  in ch_init_elem()
284 	cmd[0] = INITIALIZE_ELEMENT_STATUS;  in ch_init_elem()
285 	cmd[1] = (ch->device->lun & 0x7) << 5;  in ch_init_elem()
286 	err = ch_do_scsi(ch, cmd, 6, NULL, 0, DMA_NONE);  in ch_init_elem()
294 	u_char  cmd[10], data[16];  in ch_readconfig()  local
303 	memset(cmd,0,sizeof(cmd));  in ch_readconfig()
304 	cmd[0] = MODE_SENSE;  in ch_readconfig()
305 	cmd[1] = (ch->device->lun & 0x7) << 5;  in ch_readconfig()
306 	cmd[2] = 0x1d;  in ch_readconfig()
307 	cmd[4] = 255;  in ch_readconfig()
308 	result = ch_do_scsi(ch, cmd, 10, buffer, 255, DMA_FROM_DEVICE);  in ch_readconfig()
310 		cmd[1] |= (1<<3);  in ch_readconfig()
311 		result  = ch_do_scsi(ch, cmd, 10, buffer, 255, DMA_FROM_DEVICE);  in ch_readconfig()
423 	u_char  cmd[10];  in ch_position()  local
428 	memset(cmd,0,sizeof(cmd));  in ch_position()
429 	cmd[0]  = POSITION_TO_ELEMENT;  in ch_position()
430 	cmd[1]  = (ch->device->lun & 0x7) << 5;  in ch_position()
431 	cmd[2]  = (trans >> 8) & 0xff;  in ch_position()
432 	cmd[3]  =  trans       & 0xff;  in ch_position()
433 	cmd[4]  = (elem  >> 8) & 0xff;  in ch_position()
434 	cmd[5]  =  elem        & 0xff;  in ch_position()
435 	cmd[8]  = rotate ? 1 : 0;  in ch_position()
436 	return ch_do_scsi(ch, cmd, 10, NULL, 0, DMA_NONE);  in ch_position()
442 	u_char  cmd[12];  in ch_move()  local
447 	memset(cmd,0,sizeof(cmd));  in ch_move()
448 	cmd[0]  = MOVE_MEDIUM;  in ch_move()
449 	cmd[1]  = (ch->device->lun & 0x7) << 5;  in ch_move()
450 	cmd[2]  = (trans >> 8) & 0xff;  in ch_move()
451 	cmd[3]  =  trans       & 0xff;  in ch_move()
452 	cmd[4]  = (src   >> 8) & 0xff;  in ch_move()
453 	cmd[5]  =  src         & 0xff;  in ch_move()
454 	cmd[6]  = (dest  >> 8) & 0xff;  in ch_move()
455 	cmd[7]  =  dest        & 0xff;  in ch_move()
456 	cmd[10] = rotate ? 1 : 0;  in ch_move()
457 	return ch_do_scsi(ch, cmd, 12, NULL,0, DMA_NONE);  in ch_move()
464 	u_char  cmd[12];  in ch_exchange()  local
470 	memset(cmd,0,sizeof(cmd));  in ch_exchange()
471 	cmd[0]  = EXCHANGE_MEDIUM;  in ch_exchange()
472 	cmd[1]  = (ch->device->lun & 0x7) << 5;  in ch_exchange()
473 	cmd[2]  = (trans >> 8) & 0xff;  in ch_exchange()
474 	cmd[3]  =  trans       & 0xff;  in ch_exchange()
475 	cmd[4]  = (src   >> 8) & 0xff;  in ch_exchange()
476 	cmd[5]  =  src         & 0xff;  in ch_exchange()
477 	cmd[6]  = (dest1 >> 8) & 0xff;  in ch_exchange()
478 	cmd[7]  =  dest1       & 0xff;  in ch_exchange()
479 	cmd[8]  = (dest2 >> 8) & 0xff;  in ch_exchange()
480 	cmd[9]  =  dest2       & 0xff;  in ch_exchange()
481 	cmd[10] = (rotate1 ? 1 : 0) | (rotate2 ? 2 : 0);  in ch_exchange()
483 	return ch_do_scsi(ch, cmd, 12, NULL, 0, DMA_NONE);  in ch_exchange()
506 	u_char  cmd[12];  in ch_set_voltag()  local
518 	memset(cmd,0,sizeof(cmd));  in ch_set_voltag()
519 	cmd[0]  = SEND_VOLUME_TAG;  in ch_set_voltag()
520 	cmd[1] = ((ch->device->lun & 0x7) << 5) |  in ch_set_voltag()
522 	cmd[2] = (elem >> 8) & 0xff;  in ch_set_voltag()
523 	cmd[3] = elem        & 0xff;  in ch_set_voltag()
524 	cmd[5] = clear  in ch_set_voltag()
528 	cmd[9] = 255;  in ch_set_voltag()
533 	result = ch_do_scsi(ch, cmd, 12, buffer, 256, DMA_TO_DEVICE);  in ch_set_voltag()
621 		    unsigned int cmd, unsigned long arg)  in ch_ioctl()  argument
627 	retval = scsi_ioctl_block_when_processing_errors(ch->device, cmd,  in ch_ioctl()
632 	switch (cmd) {  in ch_ioctl()
860 		return scsi_ioctl(ch->device, cmd, argp);  in ch_ioctl()
874 			    unsigned int cmd, unsigned long arg)  in ch_ioctl_compat()  argument
877 	int retval = scsi_ioctl_block_when_processing_errors(ch->device, cmd,  in ch_ioctl_compat()
882 	switch (cmd) {  in ch_ioctl_compat()
892 		return ch_ioctl(file, cmd, (unsigned long)compat_ptr(arg));  in ch_ioctl_compat()
907 		return scsi_compat_ioctl(ch->device, cmd, compat_ptr(arg));  in ch_ioctl_compat()