diff --git a/libc/kernel/common/linux/mtio.h b/libc/kernel/common/linux/mtio.h
new file mode 100644
index 0000000..47a6e2b
--- /dev/null
+++ b/libc/kernel/common/linux/mtio.h
@@ -0,0 +1,259 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   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.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _LINUX_MTIO_H
+#define _LINUX_MTIO_H
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+#include <linux/qic117.h>
+
+struct mtop {
+ short mt_op;
+ int mt_count;
+};
+
+#define MTRESET 0  
+#define MTFSF 1  
+#define MTBSF 2  
+#define MTFSR 3  
+#define MTBSR 4  
+#define MTWEOF 5  
+#define MTREW 6  
+#define MTOFFL 7  
+#define MTNOP 8  
+#define MTRETEN 9  
+#define MTBSFM 10  
+#define MTFSFM 11  
+#define MTEOM 12  
+#define MTERASE 13  
+
+#define MTRAS1 14  
+#define MTRAS2 15  
+#define MTRAS3 16  
+
+#define MTSETBLK 20  
+#define MTSETDENSITY 21  
+#define MTSEEK 22  
+#define MTTELL 23  
+#define MTSETDRVBUFFER 24  
+
+#define MTFSS 25  
+#define MTBSS 26  
+#define MTWSM 27  
+
+#define MTLOCK 28  
+#define MTUNLOCK 29  
+#define MTLOAD 30  
+#define MTUNLOAD 31  
+#define MTCOMPRESSION 32 
+#define MTSETPART 33  
+#define MTMKPART 34  
+
+struct mtget {
+ long mt_type;
+ long mt_resid;
+
+ long mt_dsreg;
+ long mt_gstat;
+ long mt_erreg;
+
+ __kernel_daddr_t mt_fileno;
+ __kernel_daddr_t mt_blkno;
+};
+
+#define MT_ISUNKNOWN 0x01
+#define MT_ISQIC02 0x02  
+#define MT_ISWT5150 0x03  
+#define MT_ISARCHIVE_5945L2 0x04  
+#define MT_ISCMSJ500 0x05  
+#define MT_ISTDC3610 0x06  
+#define MT_ISARCHIVE_VP60I 0x07  
+#define MT_ISARCHIVE_2150L 0x08  
+#define MT_ISARCHIVE_2060L 0x09  
+#define MT_ISARCHIVESC499 0x0A  
+#define MT_ISQIC02_ALL_FEATURES 0x0F  
+#define MT_ISWT5099EEN24 0x11  
+#define MT_ISTEAC_MT2ST 0x12  
+#define MT_ISEVEREX_FT40A 0x32  
+#define MT_ISDDS1 0x51  
+#define MT_ISDDS2 0x52  
+#define MT_ISONSTREAM_SC 0x61  
+#define MT_ISSCSI1 0x71  
+#define MT_ISSCSI2 0x72  
+
+#define MT_ISFTAPE_UNKNOWN 0x800000  
+#define MT_ISFTAPE_FLAG 0x800000
+
+struct mt_tape_info {
+ long t_type;
+ char *t_name;
+};
+
+#define MT_TAPE_INFO {   {MT_ISUNKNOWN, "Unknown type of tape device"},   {MT_ISQIC02, "Generic QIC-02 tape streamer"},   {MT_ISWT5150, "Wangtek 5150, QIC-150"},   {MT_ISARCHIVE_5945L2, "Archive 5945L-2"},   {MT_ISCMSJ500, "CMS Jumbo 500"},   {MT_ISTDC3610, "Tandberg TDC 3610, QIC-24"},   {MT_ISARCHIVE_VP60I, "Archive VP60i, QIC-02"},   {MT_ISARCHIVE_2150L, "Archive Viper 2150L"},   {MT_ISARCHIVE_2060L, "Archive Viper 2060L"},   {MT_ISARCHIVESC499, "Archive SC-499 QIC-36 controller"},   {MT_ISQIC02_ALL_FEATURES, "Generic QIC-02 tape, all features"},   {MT_ISWT5099EEN24, "Wangtek 5099-een24, 60MB"},   {MT_ISTEAC_MT2ST, "Teac MT-2ST 155mb data cassette drive"},   {MT_ISEVEREX_FT40A, "Everex FT40A, QIC-40"},   {MT_ISONSTREAM_SC, "OnStream SC-, DI-, DP-, or USB tape drive"},   {MT_ISSCSI1, "Generic SCSI-1 tape"},   {MT_ISSCSI2, "Generic SCSI-2 tape"},   {0, NULL}  }
+
+struct mtpos {
+ long mt_blkno;
+};
+
+struct mtvolinfo {
+ unsigned int mt_volno;
+ unsigned int mt_blksz;
+ unsigned int mt_rawsize;
+ unsigned int mt_size;
+ unsigned int mt_cmpr:1;
+};
+
+#define MT_FT_RD_SINGLE 0
+#define MT_FT_RD_AHEAD 1
+#define MT_FT_WR_ASYNC 0  
+#define MT_FT_WR_MULTI 1  
+#define MT_FT_WR_SINGLE 2  
+#define MT_FT_WR_DELETE 3  
+
+struct mtftseg
+{
+ unsigned mt_segno;
+ unsigned mt_mode;
+ int mt_result;
+ void __user *mt_data;
+};
+
+struct mttapesize {
+ unsigned long mt_capacity;
+ unsigned long mt_used;
+};
+
+#define FTFMT_SET_PARMS 1  
+#define FTFMT_GET_PARMS 2  
+#define FTFMT_FORMAT_TRACK 3  
+#define FTFMT_STATUS 4  
+#define FTFMT_VERIFY 5  
+
+struct ftfmtparms {
+ unsigned char ft_qicstd;
+ unsigned char ft_fmtcode;
+ unsigned char ft_fhm;
+ unsigned char ft_ftm;
+ unsigned short ft_spt;
+ unsigned short ft_tpc;
+};
+
+struct ftfmttrack {
+ unsigned int ft_track;
+ unsigned char ft_gap3;
+};
+
+struct ftfmtstatus {
+ unsigned int ft_segment;
+};
+
+struct ftfmtverify {
+ unsigned int ft_segment;
+ unsigned long ft_bsm;
+};
+
+struct mtftformat {
+ unsigned int fmt_op;
+ union fmt_arg {
+ struct ftfmtparms fmt_parms;
+ struct ftfmttrack fmt_track;
+ struct ftfmtstatus fmt_status;
+ struct ftfmtverify fmt_verify;
+ } fmt_arg;
+};
+
+struct mtftcmd {
+ unsigned int ft_wait_before;
+ qic117_cmd_t ft_cmd;
+ unsigned char ft_parm_cnt;
+ unsigned char ft_parms[3];
+ unsigned int ft_result_bits;
+ unsigned int ft_result;
+ unsigned int ft_wait_after;
+ int ft_status;
+ int ft_error;
+};
+
+#define MTIOCTOP _IOW('m', 1, struct mtop)  
+#define MTIOCGET _IOR('m', 2, struct mtget)  
+#define MTIOCPOS _IOR('m', 3, struct mtpos)  
+
+#define MTIOCGETCONFIG _IOR('m', 4, struct mtconfiginfo)  
+#define MTIOCSETCONFIG _IOW('m', 5, struct mtconfiginfo)  
+
+#define MTIOCRDFTSEG _IOWR('m', 6, struct mtftseg)  
+#define MTIOCWRFTSEG _IOWR('m', 7, struct mtftseg)  
+#define MTIOCVOLINFO _IOR('m', 8, struct mtvolinfo)  
+#define MTIOCGETSIZE _IOR('m', 9, struct mttapesize) 
+#define MTIOCFTFORMAT _IOWR('m', 10, struct mtftformat)  
+#define MTIOCFTCMD _IOWR('m', 11, struct mtftcmd)  
+
+#define GMT_EOF(x) ((x) & 0x80000000)
+#define GMT_BOT(x) ((x) & 0x40000000)
+#define GMT_EOT(x) ((x) & 0x20000000)
+#define GMT_SM(x) ((x) & 0x10000000)  
+#define GMT_EOD(x) ((x) & 0x08000000)  
+#define GMT_WR_PROT(x) ((x) & 0x04000000)
+
+#define GMT_ONLINE(x) ((x) & 0x01000000)
+#define GMT_D_6250(x) ((x) & 0x00800000)
+#define GMT_D_1600(x) ((x) & 0x00400000)
+#define GMT_D_800(x) ((x) & 0x00200000)
+
+#define GMT_DR_OPEN(x) ((x) & 0x00040000)  
+
+#define GMT_IM_REP_EN(x) ((x) & 0x00010000)  
+#define GMT_CLN(x) ((x) & 0x00008000)  
+
+#define MT_ST_BLKSIZE_SHIFT 0
+#define MT_ST_BLKSIZE_MASK 0xffffff
+#define MT_ST_DENSITY_SHIFT 24
+#define MT_ST_DENSITY_MASK 0xff000000
+
+#define MT_ST_SOFTERR_SHIFT 0
+#define MT_ST_SOFTERR_MASK 0xffff
+
+#define MT_ST_OPTIONS 0xf0000000
+#define MT_ST_BOOLEANS 0x10000000
+#define MT_ST_SETBOOLEANS 0x30000000
+#define MT_ST_CLEARBOOLEANS 0x40000000
+#define MT_ST_WRITE_THRESHOLD 0x20000000
+#define MT_ST_DEF_BLKSIZE 0x50000000
+#define MT_ST_DEF_OPTIONS 0x60000000
+#define MT_ST_TIMEOUTS 0x70000000
+#define MT_ST_SET_TIMEOUT (MT_ST_TIMEOUTS | 0x000000)
+#define MT_ST_SET_LONG_TIMEOUT (MT_ST_TIMEOUTS | 0x100000)
+#define MT_ST_SET_CLN 0x80000000
+
+#define MT_ST_BUFFER_WRITES 0x1
+#define MT_ST_ASYNC_WRITES 0x2
+#define MT_ST_READ_AHEAD 0x4
+#define MT_ST_DEBUGGING 0x8
+#define MT_ST_TWO_FM 0x10
+#define MT_ST_FAST_MTEOM 0x20
+#define MT_ST_AUTO_LOCK 0x40
+#define MT_ST_DEF_WRITES 0x80
+#define MT_ST_CAN_BSR 0x100
+#define MT_ST_NO_BLKLIMS 0x200
+#define MT_ST_CAN_PARTITIONS 0x400
+#define MT_ST_SCSI2LOGICAL 0x800
+#define MT_ST_SYSV 0x1000
+#define MT_ST_NOWAIT 0x2000
+
+#define MT_ST_CLEAR_DEFAULT 0xfffff
+#define MT_ST_DEF_DENSITY (MT_ST_DEF_OPTIONS | 0x100000)
+#define MT_ST_DEF_COMPRESSION (MT_ST_DEF_OPTIONS | 0x200000)
+#define MT_ST_DEF_DRVBUFFER (MT_ST_DEF_OPTIONS | 0x300000)
+
+#define MT_ST_HPLOADER_OFFSET 10000
+
+#endif