edd.h
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004: <Matt_Domsch@dell.com>
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009: http://www.t13.org/docs2002/d1572r0.pdf.
010: http://www.t13.org/docs2002/d1484r3.pdf
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030: #ifndef _LINUX_EDD_H
031: #define _LINUX_EDD_H
032:
033: #include <linux/types.h>
034:
035: #define EDDNR 0x1e9
036:
037: #define EDDBUF 0xd00
038: #define EDDMAXNR 6
039: #define EDDEXTSIZE 8
040: #define EDDPARMSIZE 74
041: #define CHECKEXTENSIONSPRESENT 0x41
042: #define GETDEVICEPARAMETERS 0x48
043: #define LEGACYGETDEVICEPARAMETERS 0x08
044: #define EDDMAGIC1 0x55AA
045: #define EDDMAGIC2 0xAA55
046:
047:
048: #define READ_SECTORS 0x02
049: #define EDD_MBR_SIG_OFFSET 0x1B8
050: #define EDD_MBR_SIG_BUF 0x290
051: #define EDD_MBR_SIG_MAX 16
052: #define EDD_MBR_SIG_NR_BUF 0x1ea
053:
054:
055: #ifndef __ASSEMBLY__
056:
057: #define EDD_EXT_FIXED_DISK_ACCESS (1 << 0)
058: #define EDD_EXT_DEVICE_LOCKING_AND_EJECTING (1 << 1)
059: #define EDD_EXT_ENHANCED_DISK_DRIVE_SUPPORT (1 << 2)
060: #define EDD_EXT_64BIT_EXTENSIONS (1 << 3)
061:
062: #define EDD_INFO_DMA_BOUNDARY_ERROR_TRANSPARENT (1 << 0)
063: #define EDD_INFO_GEOMETRY_VALID (1 << 1)
064: #define EDD_INFO_REMOVABLE (1 << 2)
065: #define EDD_INFO_WRITE_VERIFY (1 << 3)
066: #define EDD_INFO_MEDIA_CHANGE_NOTIFICATION (1 << 4)
067: #define EDD_INFO_LOCKABLE (1 << 5)
068: #define EDD_INFO_NO_MEDIA_PRESENT (1 << 6)
069: #define EDD_INFO_USE_INT13_FN50 (1 << 7)
070:
071: struct edd_device_params {
072: __u16 length;
073: __u16 info_flags;
074: __u32 num_default_cylinders;
075: __u32 num_default_heads;
076: __u32 sectors_per_track;
077: __u64 number_of_sectors;
078: __u16 bytes_per_sector;
079: __u32 dpte_ptr;
080: __u16 key;
081: __u8 device_path_info_length;
082: __u8 reserved2;
083: __u16 reserved3;
084: __u8 host_bus_type[4];
085: __u8 interface_type[8];
086: union {
087: struct {
088: __u16 base_address;
089: __u16 reserved1;
090: __u32 reserved2;
091: } __attribute__ ((packed)) isa;
092: struct {
093: __u8 bus;
094: __u8 slot;
095: __u8 function;
096: __u8 channel;
097: __u32 reserved;
098: } __attribute__ ((packed)) pci;
099:
100: struct {
101: __u64 reserved;
102: } __attribute__ ((packed)) ibnd;
103: struct {
104: __u64 reserved;
105: } __attribute__ ((packed)) xprs;
106: struct {
107: __u64 reserved;
108: } __attribute__ ((packed)) htpt;
109: struct {
110: __u64 reserved;
111: } __attribute__ ((packed)) unknown;
112: } interface_path;
113: union {
114: struct {
115: __u8 device;
116: __u8 reserved1;
117: __u16 reserved2;
118: __u32 reserved3;
119: __u64 reserved4;
120: } __attribute__ ((packed)) ata;
121: struct {
122: __u8 device;
123: __u8 lun;
124: __u8 reserved1;
125: __u8 reserved2;
126: __u32 reserved3;
127: __u64 reserved4;
128: } __attribute__ ((packed)) atapi;
129: struct {
130: __u16 id;
131: __u64 lun;
132: __u16 reserved1;
133: __u32 reserved2;
134: } __attribute__ ((packed)) scsi;
135: struct {
136: __u64 serial_number;
137: __u64 reserved;
138: } __attribute__ ((packed)) usb;
139: struct {
140: __u64 eui;
141: __u64 reserved;
142: } __attribute__ ((packed)) i1394;
143: struct {
144: __u64 wwid;
145: __u64 lun;
146: } __attribute__ ((packed)) fibre;
147: struct {
148: __u64 identity_tag;
149: __u64 reserved;
150: } __attribute__ ((packed)) i2o;
151: struct {
152: __u32 array_number;
153: __u32 reserved1;
154: __u64 reserved2;
155: } __attribute__ ((packed)) raid;
156: struct {
157: __u8 device;
158: __u8 reserved1;
159: __u16 reserved2;
160: __u32 reserved3;
161: __u64 reserved4;
162: } __attribute__ ((packed)) sata;
163: struct {
164: __u64 reserved1;
165: __u64 reserved2;
166: } __attribute__ ((packed)) unknown;
167: } device_path;
168: __u8 reserved4;
169: __u8 checksum;
170: } __attribute__ ((packed));
171:
172: struct edd_info {
173: __u8 device;
174: __u8 version;
175: __u16 interface_support;
176: __u16 legacy_max_cylinder;
177: __u8 legacy_max_head;
178: __u8 legacy_sectors_per_track;
179: struct edd_device_params params;
180: } __attribute__ ((packed));
181:
182: struct edd {
183: unsigned int mbr_signature[EDD_MBR_SIG_MAX];
184: struct edd_info edd_info[EDDMAXNR];
185: unsigned char mbr_signature_nr;
186: unsigned char edd_info_nr;
187: };
188:
189: #endif
190:
191: #endif
192:
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2025,
All Rights Reserved