diff --git a/libc/kernel/common/linux/hdreg.h b/libc/kernel/common/linux/hdreg.h
new file mode 100644
index 0000000..a684ee9
--- /dev/null
+++ b/libc/kernel/common/linux/hdreg.h
@@ -0,0 +1,432 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   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_HDREG_H
+#define _LINUX_HDREG_H
+
+#define HDIO_DRIVE_CMD_HDR_SIZE (4 * sizeof(u8))
+#define HDIO_DRIVE_HOB_HDR_SIZE (8 * sizeof(u8))
+#define HDIO_DRIVE_TASK_HDR_SIZE (8 * sizeof(u8))
+
+#define IDE_DRIVE_TASK_INVALID -1
+#define IDE_DRIVE_TASK_NO_DATA 0
+#define IDE_DRIVE_TASK_SET_XFER 1
+
+#define IDE_DRIVE_TASK_IN 2
+
+#define IDE_DRIVE_TASK_OUT 3
+#define IDE_DRIVE_TASK_RAW_WRITE 4
+
+#define IDE_TASKFILE_STD_IN_FLAGS 0xFE
+#define IDE_HOB_STD_IN_FLAGS 0x3C
+#define IDE_TASKFILE_STD_OUT_FLAGS 0xFE
+#define IDE_HOB_STD_OUT_FLAGS 0x3C
+
+typedef unsigned char task_ioreg_t;
+typedef unsigned long sata_ioreg_t;
+
+typedef union ide_reg_valid_s {
+ unsigned all : 16;
+ struct {
+ unsigned data : 1;
+ unsigned error_feature : 1;
+ unsigned sector : 1;
+ unsigned nsector : 1;
+ unsigned lcyl : 1;
+ unsigned hcyl : 1;
+ unsigned select : 1;
+ unsigned status_command : 1;
+
+ unsigned data_hob : 1;
+ unsigned error_feature_hob : 1;
+ unsigned sector_hob : 1;
+ unsigned nsector_hob : 1;
+ unsigned lcyl_hob : 1;
+ unsigned hcyl_hob : 1;
+ unsigned select_hob : 1;
+ unsigned control_hob : 1;
+ } b;
+} ide_reg_valid_t;
+
+typedef struct ide_task_request_s {
+ task_ioreg_t io_ports[8];
+ task_ioreg_t hob_ports[8];
+ ide_reg_valid_t out_flags;
+ ide_reg_valid_t in_flags;
+ int data_phase;
+ int req_cmd;
+ unsigned long out_size;
+ unsigned long in_size;
+} ide_task_request_t;
+
+typedef struct ide_ioctl_request_s {
+ ide_task_request_t *task_request;
+ unsigned char *out_buffer;
+ unsigned char *in_buffer;
+} ide_ioctl_request_t;
+
+struct hd_drive_cmd_hdr {
+ task_ioreg_t command;
+ task_ioreg_t sector_number;
+ task_ioreg_t feature;
+ task_ioreg_t sector_count;
+};
+
+typedef struct hd_drive_task_hdr {
+ task_ioreg_t data;
+ task_ioreg_t feature;
+ task_ioreg_t sector_count;
+ task_ioreg_t sector_number;
+ task_ioreg_t low_cylinder;
+ task_ioreg_t high_cylinder;
+ task_ioreg_t device_head;
+ task_ioreg_t command;
+} task_struct_t;
+
+typedef struct hd_drive_hob_hdr {
+ task_ioreg_t data;
+ task_ioreg_t feature;
+ task_ioreg_t sector_count;
+ task_ioreg_t sector_number;
+ task_ioreg_t low_cylinder;
+ task_ioreg_t high_cylinder;
+ task_ioreg_t device_head;
+ task_ioreg_t control;
+} hob_struct_t;
+
+#define TASKFILE_INVALID 0x7fff
+#define TASKFILE_48 0x8000
+
+#define TASKFILE_NO_DATA 0x0000
+
+#define TASKFILE_IN 0x0001
+#define TASKFILE_MULTI_IN 0x0002
+
+#define TASKFILE_OUT 0x0004
+#define TASKFILE_MULTI_OUT 0x0008
+#define TASKFILE_IN_OUT 0x0010
+
+#define TASKFILE_IN_DMA 0x0020
+#define TASKFILE_OUT_DMA 0x0040
+#define TASKFILE_IN_DMAQ 0x0080
+#define TASKFILE_OUT_DMAQ 0x0100
+
+#define TASKFILE_P_IN 0x0200
+#define TASKFILE_P_OUT 0x0400
+#define TASKFILE_P_IN_DMA 0x0800
+#define TASKFILE_P_OUT_DMA 0x1000
+#define TASKFILE_P_IN_DMAQ 0x2000
+#define TASKFILE_P_OUT_DMAQ 0x4000
+
+#define WIN_NOP 0x00
+
+#define CFA_REQ_EXT_ERROR_CODE 0x03  
+
+#define WIN_SRST 0x08  
+#define WIN_DEVICE_RESET 0x08
+
+#define WIN_RECAL 0x10
+#define WIN_RESTORE WIN_RECAL
+
+#define WIN_READ 0x20  
+#define WIN_READ_ONCE 0x21  
+#define WIN_READ_LONG 0x22  
+#define WIN_READ_LONG_ONCE 0x23  
+#define WIN_READ_EXT 0x24  
+#define WIN_READDMA_EXT 0x25  
+#define WIN_READDMA_QUEUED_EXT 0x26  
+#define WIN_READ_NATIVE_MAX_EXT 0x27  
+
+#define WIN_MULTREAD_EXT 0x29  
+
+#define WIN_WRITE 0x30  
+#define WIN_WRITE_ONCE 0x31  
+#define WIN_WRITE_LONG 0x32  
+#define WIN_WRITE_LONG_ONCE 0x33  
+#define WIN_WRITE_EXT 0x34  
+#define WIN_WRITEDMA_EXT 0x35  
+#define WIN_WRITEDMA_QUEUED_EXT 0x36  
+#define WIN_SET_MAX_EXT 0x37  
+#define CFA_WRITE_SECT_WO_ERASE 0x38  
+#define WIN_MULTWRITE_EXT 0x39  
+
+#define WIN_WRITE_VERIFY 0x3C  
+
+#define WIN_VERIFY 0x40  
+#define WIN_VERIFY_ONCE 0x41  
+#define WIN_VERIFY_EXT 0x42  
+
+#define WIN_FORMAT 0x50
+
+#define WIN_INIT 0x60
+
+#define WIN_SEEK 0x70  
+
+#define CFA_TRANSLATE_SECTOR 0x87  
+#define WIN_DIAGNOSE 0x90
+#define WIN_SPECIFY 0x91  
+#define WIN_DOWNLOAD_MICROCODE 0x92
+#define WIN_STANDBYNOW2 0x94
+#define WIN_STANDBY2 0x96
+#define WIN_SETIDLE2 0x97
+#define WIN_CHECKPOWERMODE2 0x98
+#define WIN_SLEEPNOW2 0x99
+
+#define WIN_PACKETCMD 0xA0  
+#define WIN_PIDENTIFY 0xA1  
+#define WIN_QUEUED_SERVICE 0xA2
+#define WIN_SMART 0xB0  
+#define CFA_ERASE_SECTORS 0xC0
+#define WIN_MULTREAD 0xC4  
+#define WIN_MULTWRITE 0xC5  
+#define WIN_SETMULT 0xC6  
+#define WIN_READDMA_QUEUED 0xC7  
+#define WIN_READDMA 0xC8  
+#define WIN_READDMA_ONCE 0xC9  
+#define WIN_WRITEDMA 0xCA  
+#define WIN_WRITEDMA_ONCE 0xCB  
+#define WIN_WRITEDMA_QUEUED 0xCC  
+#define CFA_WRITE_MULTI_WO_ERASE 0xCD  
+#define WIN_GETMEDIASTATUS 0xDA
+#define WIN_ACKMEDIACHANGE 0xDB  
+#define WIN_POSTBOOT 0xDC
+#define WIN_PREBOOT 0xDD
+#define WIN_DOORLOCK 0xDE  
+#define WIN_DOORUNLOCK 0xDF  
+#define WIN_STANDBYNOW1 0xE0
+#define WIN_IDLEIMMEDIATE 0xE1  
+#define WIN_STANDBY 0xE2  
+#define WIN_SETIDLE1 0xE3
+#define WIN_READ_BUFFER 0xE4  
+#define WIN_CHECKPOWERMODE1 0xE5
+#define WIN_SLEEPNOW1 0xE6
+#define WIN_FLUSH_CACHE 0xE7
+#define WIN_WRITE_BUFFER 0xE8  
+#define WIN_WRITE_SAME 0xE9  
+
+#define WIN_FLUSH_CACHE_EXT 0xEA  
+#define WIN_IDENTIFY 0xEC  
+#define WIN_MEDIAEJECT 0xED
+#define WIN_IDENTIFY_DMA 0xEE  
+#define WIN_SETFEATURES 0xEF  
+#define EXABYTE_ENABLE_NEST 0xF0
+#define WIN_SECURITY_SET_PASS 0xF1
+#define WIN_SECURITY_UNLOCK 0xF2
+#define WIN_SECURITY_ERASE_PREPARE 0xF3
+#define WIN_SECURITY_ERASE_UNIT 0xF4
+#define WIN_SECURITY_FREEZE_LOCK 0xF5
+#define WIN_SECURITY_DISABLE 0xF6
+#define WIN_READ_NATIVE_MAX 0xF8  
+#define WIN_SET_MAX 0xF9
+#define DISABLE_SEAGATE 0xFB
+
+#define SMART_READ_VALUES 0xD0
+#define SMART_READ_THRESHOLDS 0xD1
+#define SMART_AUTOSAVE 0xD2
+#define SMART_SAVE 0xD3
+#define SMART_IMMEDIATE_OFFLINE 0xD4
+#define SMART_READ_LOG_SECTOR 0xD5
+#define SMART_WRITE_LOG_SECTOR 0xD6
+#define SMART_WRITE_THRESHOLDS 0xD7
+#define SMART_ENABLE 0xD8
+#define SMART_DISABLE 0xD9
+#define SMART_STATUS 0xDA
+#define SMART_AUTO_OFFLINE 0xDB
+
+#define SMART_LCYL_PASS 0x4F
+#define SMART_HCYL_PASS 0xC2
+
+#define SETFEATURES_EN_8BIT 0x01  
+#define SETFEATURES_EN_WCACHE 0x02  
+#define SETFEATURES_DIS_DEFECT 0x04  
+#define SETFEATURES_EN_APM 0x05  
+#define SETFEATURES_EN_SAME_R 0x22  
+#define SETFEATURES_DIS_MSN 0x31  
+#define SETFEATURES_DIS_RETRY 0x33  
+#define SETFEATURES_EN_AAM 0x42  
+#define SETFEATURES_RW_LONG 0x44  
+#define SETFEATURES_SET_CACHE 0x54  
+#define SETFEATURES_DIS_RLA 0x55  
+#define SETFEATURES_EN_RI 0x5D  
+#define SETFEATURES_EN_SI 0x5E  
+#define SETFEATURES_DIS_RPOD 0x66  
+#define SETFEATURES_DIS_ECC 0x77  
+#define SETFEATURES_DIS_8BIT 0x81  
+#define SETFEATURES_DIS_WCACHE 0x82  
+#define SETFEATURES_EN_DEFECT 0x84  
+#define SETFEATURES_DIS_APM 0x85  
+#define SETFEATURES_EN_ECC 0x88  
+#define SETFEATURES_EN_MSN 0x95  
+#define SETFEATURES_EN_RETRY 0x99  
+#define SETFEATURES_EN_RLA 0xAA  
+#define SETFEATURES_PREFETCH 0xAB  
+#define SETFEATURES_EN_REST 0xAC  
+#define SETFEATURES_4B_RW_LONG 0xBB  
+#define SETFEATURES_DIS_AAM 0xC2  
+#define SETFEATURES_EN_RPOD 0xCC  
+#define SETFEATURES_DIS_RI 0xDD  
+#define SETFEATURES_EN_SAME_M 0xDD  
+#define SETFEATURES_DIS_SI 0xDE  
+
+#define SECURITY_SET_PASSWORD 0xBA
+#define SECURITY_UNLOCK 0xBB
+#define SECURITY_ERASE_PREPARE 0xBC
+#define SECURITY_ERASE_UNIT 0xBD
+#define SECURITY_FREEZE_LOCK 0xBE
+#define SECURITY_DISABLE_PASSWORD 0xBF
+
+struct hd_geometry {
+ unsigned char heads;
+ unsigned char sectors;
+ unsigned short cylinders;
+ unsigned long start;
+};
+
+#define HDIO_GETGEO 0x0301  
+#define HDIO_GET_UNMASKINTR 0x0302  
+#define HDIO_GET_MULTCOUNT 0x0304  
+#define HDIO_GET_QDMA 0x0305  
+
+#define HDIO_SET_XFER 0x0306  
+
+#define HDIO_OBSOLETE_IDENTITY 0x0307  
+#define HDIO_GET_KEEPSETTINGS 0x0308  
+#define HDIO_GET_32BIT 0x0309  
+#define HDIO_GET_NOWERR 0x030a  
+#define HDIO_GET_DMA 0x030b  
+#define HDIO_GET_NICE 0x030c  
+#define HDIO_GET_IDENTITY 0x030d  
+#define HDIO_GET_WCACHE 0x030e  
+#define HDIO_GET_ACOUSTIC 0x030f  
+#define HDIO_GET_ADDRESS 0x0310  
+
+#define HDIO_GET_BUSSTATE 0x031a  
+#define HDIO_TRISTATE_HWIF 0x031b  
+#define HDIO_DRIVE_RESET 0x031c  
+#define HDIO_DRIVE_TASKFILE 0x031d  
+#define HDIO_DRIVE_TASK 0x031e  
+#define HDIO_DRIVE_CMD 0x031f  
+#define HDIO_DRIVE_CMD_AEB HDIO_DRIVE_TASK
+
+#define HDIO_SET_MULTCOUNT 0x0321  
+#define HDIO_SET_UNMASKINTR 0x0322  
+#define HDIO_SET_KEEPSETTINGS 0x0323  
+#define HDIO_SET_32BIT 0x0324  
+#define HDIO_SET_NOWERR 0x0325  
+#define HDIO_SET_DMA 0x0326  
+#define HDIO_SET_PIO_MODE 0x0327  
+#define HDIO_SCAN_HWIF 0x0328  
+#define HDIO_SET_NICE 0x0329  
+#define HDIO_UNREGISTER_HWIF 0x032a  
+#define HDIO_SET_WCACHE 0x032b  
+#define HDIO_SET_ACOUSTIC 0x032c  
+#define HDIO_SET_BUSSTATE 0x032d  
+#define HDIO_SET_QDMA 0x032e  
+#define HDIO_SET_ADDRESS 0x032f  
+
+enum {
+ BUSSTATE_OFF = 0,
+ BUSSTATE_ON,
+ BUSSTATE_TRISTATE
+};
+
+#define __NEW_HD_DRIVE_ID
+
+struct hd_driveid {
+ unsigned short config;
+ unsigned short cyls;
+ unsigned short reserved2;
+ unsigned short heads;
+ unsigned short track_bytes;
+ unsigned short sector_bytes;
+ unsigned short sectors;
+ unsigned short vendor0;
+ unsigned short vendor1;
+ unsigned short vendor2;
+ unsigned char serial_no[20];
+ unsigned short buf_type;
+ unsigned short buf_size;
+ unsigned short ecc_bytes;
+ unsigned char fw_rev[8];
+ unsigned char model[40];
+ unsigned char max_multsect;
+ unsigned char vendor3;
+ unsigned short dword_io;
+ unsigned char vendor4;
+ unsigned char capability;
+ unsigned short reserved50;
+ unsigned char vendor5;
+ unsigned char tPIO;
+ unsigned char vendor6;
+ unsigned char tDMA;
+ unsigned short field_valid;
+ unsigned short cur_cyls;
+ unsigned short cur_heads;
+ unsigned short cur_sectors;
+ unsigned short cur_capacity0;
+ unsigned short cur_capacity1;
+ unsigned char multsect;
+ unsigned char multsect_valid;
+ unsigned int lba_capacity;
+ unsigned short dma_1word;
+ unsigned short dma_mword;
+ unsigned short eide_pio_modes;
+ unsigned short eide_dma_min;
+ unsigned short eide_dma_time;
+ unsigned short eide_pio;
+ unsigned short eide_pio_iordy;
+ unsigned short words69_70[2];
+
+ unsigned short words71_74[4];
+ unsigned short queue_depth;
+ unsigned short words76_79[4];
+ unsigned short major_rev_num;
+ unsigned short minor_rev_num;
+ unsigned short command_set_1;
+ unsigned short command_set_2;
+ unsigned short cfsse;
+ unsigned short cfs_enable_1;
+ unsigned short cfs_enable_2;
+ unsigned short csf_default;
+ unsigned short dma_ultra;
+ unsigned short trseuc;
+ unsigned short trsEuc;
+ unsigned short CurAPMvalues;
+ unsigned short mprc;
+ unsigned short hw_config;
+ unsigned short acoustic;
+ unsigned short msrqs;
+ unsigned short sxfert;
+ unsigned short sal;
+ unsigned int spg;
+ unsigned long long lba_capacity_2;
+ unsigned short words104_125[22];
+ unsigned short last_lun;
+ unsigned short word127;
+ unsigned short dlf;
+ unsigned short csfo;
+ unsigned short words130_155[26];
+ unsigned short word156;
+ unsigned short words157_159[3];
+ unsigned short cfa_power;
+ unsigned short words161_175[15];
+ unsigned short words176_205[30];
+ unsigned short words206_254[49];
+ unsigned short integrity_word;
+};
+
+#define IDE_NICE_DSC_OVERLAP (0)  
+#define IDE_NICE_ATAPI_OVERLAP (1)  
+#define IDE_NICE_0 (2)  
+#define IDE_NICE_1 (3)  
+#define IDE_NICE_2 (4)  
+
+#endif