diff --git a/libc/kernel/common/scsi/scsi.h b/libc/kernel/common/scsi/scsi.h
new file mode 100644
index 0000000..9e5edd7
--- /dev/null
+++ b/libc/kernel/common/scsi/scsi.h
@@ -0,0 +1,261 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _SCSI_SCSI_H
+#define _SCSI_SCSI_H
+#include <linux/types.h>
+#define TEST_UNIT_READY 0x00
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define REZERO_UNIT 0x01
+#define REQUEST_SENSE 0x03
+#define FORMAT_UNIT 0x04
+#define READ_BLOCK_LIMITS 0x05
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define REASSIGN_BLOCKS 0x07
+#define INITIALIZE_ELEMENT_STATUS 0x07
+#define READ_6 0x08
+#define WRITE_6 0x0a
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SEEK_6 0x0b
+#define READ_REVERSE 0x0f
+#define WRITE_FILEMARKS 0x10
+#define SPACE 0x11
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define INQUIRY 0x12
+#define RECOVER_BUFFERED_DATA 0x14
+#define MODE_SELECT 0x15
+#define RESERVE 0x16
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define RELEASE 0x17
+#define COPY 0x18
+#define ERASE 0x19
+#define MODE_SENSE 0x1a
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define START_STOP 0x1b
+#define RECEIVE_DIAGNOSTIC 0x1c
+#define SEND_DIAGNOSTIC 0x1d
+#define ALLOW_MEDIUM_REMOVAL 0x1e
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define READ_FORMAT_CAPACITIES 0x23
+#define SET_WINDOW 0x24
+#define READ_CAPACITY 0x25
+#define READ_10 0x28
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define WRITE_10 0x2a
+#define SEEK_10 0x2b
+#define POSITION_TO_ELEMENT 0x2b
+#define WRITE_VERIFY 0x2e
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define VERIFY 0x2f
+#define SEARCH_HIGH 0x30
+#define SEARCH_EQUAL 0x31
+#define SEARCH_LOW 0x32
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SET_LIMITS 0x33
+#define PRE_FETCH 0x34
+#define READ_POSITION 0x34
+#define SYNCHRONIZE_CACHE 0x35
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define LOCK_UNLOCK_CACHE 0x36
+#define READ_DEFECT_DATA 0x37
+#define MEDIUM_SCAN 0x38
+#define COMPARE 0x39
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COPY_VERIFY 0x3a
+#define WRITE_BUFFER 0x3b
+#define READ_BUFFER 0x3c
+#define UPDATE_BLOCK 0x3d
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define READ_LONG 0x3e
+#define WRITE_LONG 0x3f
+#define CHANGE_DEFINITION 0x40
+#define WRITE_SAME 0x41
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define UNMAP 0x42
+#define READ_TOC 0x43
+#define READ_HEADER 0x44
+#define GET_EVENT_STATUS_NOTIFICATION 0x4a
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define LOG_SELECT 0x4c
+#define LOG_SENSE 0x4d
+#define XDWRITEREAD_10 0x53
+#define MODE_SELECT_10 0x55
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define RESERVE_10 0x56
+#define RELEASE_10 0x57
+#define MODE_SENSE_10 0x5a
+#define PERSISTENT_RESERVE_IN 0x5e
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define PERSISTENT_RESERVE_OUT 0x5f
+#define VARIABLE_LENGTH_CMD 0x7f
+#define REPORT_LUNS 0xa0
+#define SECURITY_PROTOCOL_IN 0xa2
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define MAINTENANCE_IN 0xa3
+#define MAINTENANCE_OUT 0xa4
+#define MOVE_MEDIUM 0xa5
+#define EXCHANGE_MEDIUM 0xa6
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define READ_12 0xa8
+#define WRITE_12 0xaa
+#define READ_MEDIA_SERIAL_NUMBER 0xab
+#define WRITE_VERIFY_12 0xae
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define VERIFY_12 0xaf
+#define SEARCH_HIGH_12 0xb0
+#define SEARCH_EQUAL_12 0xb1
+#define SEARCH_LOW_12 0xb2
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SECURITY_PROTOCOL_OUT 0xb5
+#define READ_ELEMENT_STATUS 0xb8
+#define SEND_VOLUME_TAG 0xb6
+#define WRITE_LONG_2 0xea
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define EXTENDED_COPY 0x83
+#define RECEIVE_COPY_RESULTS 0x84
+#define ACCESS_CONTROL_IN 0x86
+#define ACCESS_CONTROL_OUT 0x87
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define READ_16 0x88
+#define COMPARE_AND_WRITE 0x89
+#define WRITE_16 0x8a
+#define READ_ATTRIBUTE 0x8c
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define WRITE_ATTRIBUTE 0x8d
+#define VERIFY_16 0x8f
+#define SYNCHRONIZE_CACHE_16 0x91
+#define WRITE_SAME_16 0x93
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SERVICE_ACTION_IN 0x9e
+#define GOOD 0x00
+#define CHECK_CONDITION 0x01
+#define CONDITION_GOOD 0x02
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define BUSY 0x04
+#define INTERMEDIATE_GOOD 0x08
+#define INTERMEDIATE_C_GOOD 0x0a
+#define RESERVATION_CONFLICT 0x0c
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COMMAND_TERMINATED 0x11
+#define QUEUE_FULL 0x14
+#define ACA_ACTIVE 0x18
+#define TASK_ABORTED 0x20
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define STATUS_MASK 0xfe
+#define NO_SENSE 0x00
+#define RECOVERED_ERROR 0x01
+#define NOT_READY 0x02
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define MEDIUM_ERROR 0x03
+#define HARDWARE_ERROR 0x04
+#define ILLEGAL_REQUEST 0x05
+#define UNIT_ATTENTION 0x06
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define DATA_PROTECT 0x07
+#define BLANK_CHECK 0x08
+#define COPY_ABORTED 0x0a
+#define ABORTED_COMMAND 0x0b
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define VOLUME_OVERFLOW 0x0d
+#define MISCOMPARE 0x0e
+#define TYPE_DISK 0x00
+#define TYPE_TAPE 0x01
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define TYPE_PRINTER 0x02
+#define TYPE_PROCESSOR 0x03
+#define TYPE_WORM 0x04
+#define TYPE_ROM 0x05
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define TYPE_SCANNER 0x06
+#define TYPE_MOD 0x07
+#define TYPE_MEDIUM_CHANGER 0x08
+#define TYPE_COMM 0x09
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define TYPE_RAID 0x0c
+#define TYPE_ENCLOSURE 0x0d
+#define TYPE_RBC 0x0e
+#define TYPE_OSD 0x11
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define TYPE_ZBC 0x14
+#define TYPE_WLUN 0x1e
+#define TYPE_NO_LUN 0x7f
+struct ccs_modesel_head {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u8 _r1;
+  __u8 medium;
+  __u8 _r2;
+  __u8 block_desc_length;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u8 density;
+  __u8 number_blocks_hi;
+  __u8 number_blocks_med;
+  __u8 number_blocks_lo;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u8 _r3;
+  __u8 block_length_hi;
+  __u8 block_length_med;
+  __u8 block_length_lo;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
+#define COMMAND_COMPLETE 0x00
+#define EXTENDED_MESSAGE 0x01
+#define EXTENDED_MODIFY_DATA_POINTER 0x00
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define EXTENDED_SDTR 0x01
+#define EXTENDED_EXTENDED_IDENTIFY 0x02
+#define EXTENDED_WDTR 0x03
+#define EXTENDED_PPR 0x04
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define EXTENDED_MODIFY_BIDI_DATA_PTR 0x05
+#define SAVE_POINTERS 0x02
+#define RESTORE_POINTERS 0x03
+#define DISCONNECT 0x04
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define INITIATOR_ERROR 0x05
+#define ABORT_TASK_SET 0x06
+#define MESSAGE_REJECT 0x07
+#define NOP 0x08
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define MSG_PARITY_ERROR 0x09
+#define LINKED_CMD_COMPLETE 0x0a
+#define LINKED_FLG_CMD_COMPLETE 0x0b
+#define TARGET_RESET 0x0c
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define ABORT_TASK 0x0d
+#define CLEAR_TASK_SET 0x0e
+#define INITIATE_RECOVERY 0x0f
+#define RELEASE_RECOVERY 0x10
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define CLEAR_ACA 0x16
+#define LOGICAL_UNIT_RESET 0x17
+#define SIMPLE_QUEUE_TAG 0x20
+#define HEAD_OF_QUEUE_TAG 0x21
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define ORDERED_QUEUE_TAG 0x22
+#define IGNORE_WIDE_RESIDUE 0x23
+#define ACA 0x24
+#define QAS_REQUEST 0x55
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define BUS_DEVICE_RESET TARGET_RESET
+#define ABORT ABORT_TASK_SET
+#define SCSI_IOCTL_GET_IDLUN 0x5382
+#define SCSI_IOCTL_PROBE_HOST 0x5385
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SCSI_IOCTL_GET_BUS_NUMBER 0x5386
+#define SCSI_IOCTL_GET_PCI 0x5387
+#endif