diff options
author | Erwan Velu <erwan.velu@free.fr> | 2009-02-19 23:01:35 +0100 |
---|---|---|
committer | H. Peter Anvin <hpa@zytor.com> | 2009-02-25 20:58:42 -0800 |
commit | 37ed4a8d16d66bfa8f8c06227acb030e0cf1c829 (patch) | |
tree | a1ac692a77dcd0aef2b5da32f439ad92e55e636e /com32/hdt/hdt-ata.h | |
parent | 319875f0157b21aea2dca51eb38578a9a5859b12 (diff) | |
download | syslinux.git-37ed4a8d16d66bfa8f8c06227acb030e0cf1c829.tar.gz syslinux.git-37ed4a8d16d66bfa8f8c06227acb030e0cf1c829.tar.xz syslinux.git-37ed4a8d16d66bfa8f8c06227acb030e0cf1c829.zip |
hdt: Moving hdt to com32/modules
Diffstat (limited to 'com32/hdt/hdt-ata.h')
-rw-r--r-- | com32/hdt/hdt-ata.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/com32/hdt/hdt-ata.h b/com32/hdt/hdt-ata.h new file mode 100644 index 00000000..61024c7b --- /dev/null +++ b/com32/hdt/hdt-ata.h @@ -0,0 +1,120 @@ +/* ----------------------------------------------------------------------- * + * + * Copyright 2009 Erwan Velu - All Rights Reserved + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall + * be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * ----------------------------------------------------------------------- +*/ + +#ifndef DEFINE_HDT_ATA_H +#define DEFINE_HDT_ATA_H + +#include "hdt.h" + +struct ata_identify_device { + unsigned short words000_009[10]; + unsigned char serial_no[20]; + unsigned short words020_022[3]; + unsigned char fw_rev[8]; + unsigned char model[40]; + unsigned short words047_079[33]; + unsigned short major_rev_num; + unsigned short minor_rev_num; + unsigned short command_set_1; + unsigned short command_set_2; + unsigned short command_set_extension; + unsigned short cfs_enable_1; + unsigned short word086; + unsigned short csf_default; + unsigned short words088_255[168]; +} ATTR_PACKED; + +struct diskinfo { + int disk; + int ebios; /* EBIOS supported on this disk */ + int cbios; /* CHS geometry is valid */ + int heads; + int sectors_per_track; + int sectors; + int cylinders; + char edd_version[4]; + struct ata_identify_device aid; /* IDENTIFY xxx DEVICE data */ + char host_bus_type[5]; + char interface_type[9]; + char interface_port; +} ATTR_PACKED; + +/* + * Get a disk block and return a malloc'd buffer. + * Uses the disk number and information from disk_info. + */ +struct ebios_dapa { + uint16_t len; + uint16_t count; + uint16_t off; + uint16_t seg; + uint64_t lba; +}; + +// BYTE=8 +// WORD=16 +// DWORD=32 +// QWORD=64 +struct device_parameter { + uint16_t len; + uint16_t info; + uint32_t cylinders; + uint32_t heads; + uint32_t sectors_per_track; + uint64_t sectors; + uint16_t bytes_per_sector; + uint32_t dpte_pointer; + uint16_t device_path_information; + uint8_t device_path_lenght; + uint8_t device_path_reserved; + uint16_t device_path_reserved_2; + uint8_t host_bus_type[4]; + uint8_t interface_type[8]; + uint64_t interace_path; + uint64_t device_path[2]; + uint8_t reserved; + uint8_t cheksum; +} ATTR_PACKED; + + +/* Useless stuff until I manage how to send ata packets */ +#ifdef ATA +enum { + ATA_ID_FW_REV = 23, + ATA_ID_PROD = 27, + ATA_ID_FW_REV_LEN = 8, + ATA_ID_PROD_LEN = 40, +}; +void ata_id_c_string(const uint16_t *id, unsigned char *s, unsigned int ofs, unsigned int len); +void ata_id_string(const uint16_t *id, unsigned char *s, unsigned int ofs, unsigned int len); +int int13_retry(const com32sys_t *inreg, com32sys_t *outreg); +void printregs(const com32sys_t *r); +#endif + +int get_disk_params(int disk, struct diskinfo *disk_info); +#endif |