Changeset eb522e8 in mainline for uspace/srv/bd/ata_bd/ata_bd.h
- Timestamp:
- 2011-06-01T08:43:42Z (14 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- 8d6c1f1
- Parents:
- 9e2e715 (diff), e51a514 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the(diff)
links above to see all the changes relative to each parent. - File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
uspace/srv/bd/ata_bd/ata_bd.h
r9e2e715 reb522e8 30 30 * @{ 31 31 */ 32 /** @file 32 /** @file ATA driver definitions. 33 33 */ 34 34 … … 40 40 #include <str.h> 41 41 42 enum { 43 CTL_READ_START = 0, 44 CTL_WRITE_START = 1, 45 }; 46 47 enum { 48 STATUS_FAILURE = 0 49 }; 50 51 enum { 52 MAX_DISKS = 2 53 }; 54 55 /** ATA Command Register Block. */ 56 typedef union { 57 /* Read/Write */ 58 struct { 59 uint16_t data_port; 60 uint8_t sector_count; 61 uint8_t sector_number; 62 uint8_t cylinder_low; 63 uint8_t cylinder_high; 64 uint8_t drive_head; 65 uint8_t pad_rw0; 66 }; 67 68 /* Read Only */ 69 struct { 70 uint8_t pad_ro0; 71 uint8_t error; 72 uint8_t pad_ro1[5]; 73 uint8_t status; 74 }; 75 76 /* Write Only */ 77 struct { 78 uint8_t pad_wo0; 79 uint8_t features; 80 uint8_t pad_wo1[5]; 81 uint8_t command; 82 }; 83 } ata_cmd_t; 84 85 typedef union { 86 /* Read */ 87 struct { 88 uint8_t pad0[6]; 89 uint8_t alt_status; 90 uint8_t drive_address; 91 }; 92 93 /* Write */ 94 struct { 95 uint8_t pad1[6]; 96 uint8_t device_control; 97 uint8_t pad2; 98 }; 99 } ata_ctl_t; 100 101 enum devctl_bits { 102 DCR_SRST = 0x04, /**< Software Reset */ 103 DCR_nIEN = 0x02 /**< Interrupt Enable (negated) */ 104 }; 105 106 enum status_bits { 107 SR_BSY = 0x80, /**< Busy */ 108 SR_DRDY = 0x40, /**< Drive Ready */ 109 SR_DWF = 0x20, /**< Drive Write Fault */ 110 SR_DSC = 0x10, /**< Drive Seek Complete */ 111 SR_DRQ = 0x08, /**< Data Request */ 112 SR_CORR = 0x04, /**< Corrected Data */ 113 SR_IDX = 0x02, /**< Index */ 114 SR_ERR = 0x01 /**< Error */ 115 }; 116 117 enum drive_head_bits { 118 DHR_LBA = 0x40, /**< Use LBA addressing mode */ 119 DHR_DRV = 0x10 /**< Select device 1 */ 120 }; 121 122 enum error_bits { 123 ER_BBK = 0x80, /**< Bad Block Detected */ 124 ER_UNC = 0x40, /**< Uncorrectable Data Error */ 125 ER_MC = 0x20, /**< Media Changed */ 126 ER_IDNF = 0x10, /**< ID Not Found */ 127 ER_MCR = 0x08, /**< Media Change Request */ 128 ER_ABRT = 0x04, /**< Aborted Command */ 129 ER_TK0NF = 0x02, /**< Track 0 Not Found */ 130 ER_AMNF = 0x01 /**< Address Mark Not Found */ 131 }; 132 133 enum ata_command { 134 CMD_READ_SECTORS = 0x20, 135 CMD_READ_SECTORS_EXT = 0x24, 136 CMD_WRITE_SECTORS = 0x30, 137 CMD_WRITE_SECTORS_EXT = 0x34, 138 CMD_IDENTIFY_DRIVE = 0xEC 139 }; 42 /** Base addresses for ATA I/O blocks. */ 43 typedef struct { 44 uintptr_t cmd; /**< Command block base address. */ 45 uintptr_t ctl; /**< Control block base address. */ 46 } ata_base_t; 140 47 141 48 /** Timeout definitions. Unit is 10 ms. */ … … 146 53 }; 147 54 148 /** Data returned from @c identify command. */ 149 typedef struct { 150 uint16_t gen_conf; 151 uint16_t cylinders; 152 uint16_t _res2; 153 uint16_t heads; 154 uint16_t _vs4; 155 uint16_t _vs5; 156 uint16_t sectors; 157 uint16_t _vs7; 158 uint16_t _vs8; 159 uint16_t _vs9; 160 161 uint16_t serial_number[10]; 162 uint16_t _vs20; 163 uint16_t _vs21; 164 uint16_t vs_bytes; 165 uint16_t firmware_rev[4]; 166 uint16_t model_name[20]; 167 168 uint16_t max_rw_multiple; 169 uint16_t _res48; 170 uint16_t caps; 171 uint16_t _res50; 172 uint16_t pio_timing; 173 uint16_t dma_timing; 174 175 uint16_t validity; 176 uint16_t cur_cyl; 177 uint16_t cur_heads; 178 uint16_t cur_sectors; 179 uint16_t cur_capacity0; 180 uint16_t cur_capacity1; 181 uint16_t mss; 182 uint16_t total_lba28_0; 183 uint16_t total_lba28_1; 184 uint16_t sw_dma; 185 uint16_t mw_dma; 186 uint16_t pio_modes; 187 uint16_t min_mw_dma_cycle; 188 uint16_t rec_mw_dma_cycle; 189 uint16_t min_raw_pio_cycle; 190 uint16_t min_iordy_pio_cycle; 191 192 uint16_t _res69; 193 uint16_t _res70; 194 uint16_t _res71; 195 uint16_t _res72; 196 uint16_t _res73; 197 uint16_t _res74; 198 199 uint16_t queue_depth; 200 uint16_t _res76[1 + 79 - 76]; 201 uint16_t version_maj; 202 uint16_t version_min; 203 uint16_t cmd_set0; 204 uint16_t cmd_set1; 205 uint16_t csf_sup_ext; 206 uint16_t csf_enabled0; 207 uint16_t csf_enabled1; 208 uint16_t csf_default; 209 uint16_t udma; 210 211 uint16_t _res89[1 + 99 - 89]; 212 213 /* Total number of blocks in LBA-48 addressing */ 214 uint16_t total_lba48_0; 215 uint16_t total_lba48_1; 216 uint16_t total_lba48_2; 217 uint16_t total_lba48_3; 218 219 /* Note: more fields are defined in ATA/ATAPI-7 */ 220 uint16_t _res104[1 + 127 - 104]; 221 uint16_t _vs128[1 + 159 - 128]; 222 uint16_t _res160[1 + 255 - 160]; 223 } identify_data_t; 224 225 enum ata_caps { 226 cap_iordy = 0x0800, 227 cap_iordy_cbd = 0x0400, 228 cap_lba = 0x0200, 229 cap_dma = 0x0100 55 enum ata_dev_type { 56 ata_reg_dev, /* Register device (no packet feature set support) */ 57 ata_pkt_dev /* Packet device (supports packet feature set). */ 230 58 }; 231 59 232 /** Bits of @c identify_data_t.cmd_set1 */ 233 enum ata_cs1 { 234 cs1_addr48 = 0x0400 /**< 48-bit address feature set */ 235 }; 236 237 /** Block addressing mode. */ 238 enum addr_mode { 60 /** Register device block addressing mode. */ 61 enum rd_addr_mode { 239 62 am_chs, /**< CHS block addressing */ 240 63 am_lba28, /**< LBA-28 block addressing */ … … 244 67 /** Block coordinates */ 245 68 typedef struct { 246 /** Addressing mode used */ 247 enum addr_mode amode; 69 enum rd_addr_mode amode; 248 70 249 71 union { … … 269 91 } block_coord_t; 270 92 93 /** ATA device state structure. */ 271 94 typedef struct { 272 95 bool present; 273 enum addr_mode amode; 96 97 /** Device type */ 98 enum ata_dev_type dev_type; 99 100 /** Addressing mode to use (if register device) */ 101 enum rd_addr_mode amode; 274 102 275 103 /* … … 283 111 284 112 uint64_t blocks; 113 size_t block_size; 285 114 286 115 char model[STR_BOUNDS(40) + 1]; 287 116 288 117 fibril_mutex_t lock; 289 dev _handle_t dev_handle;118 devmap_handle_t devmap_handle; 290 119 } disk_t; 291 120
Note:
See TracChangeset
for help on using the changeset viewer.