Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef __MEGARAID_H__ |
| 2 | #define __MEGARAID_H__ |
| 3 | |
| 4 | #include <linux/spinlock.h> |
Arjan van de Ven | 0b95067 | 2006-01-11 13:16:10 +0100 | [diff] [blame] | 5 | #include <linux/mutex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | |
| 7 | #define MEGARAID_VERSION \ |
| 8 | "v2.00.3 (Release Date: Wed Feb 19 08:51:30 EST 2003)\n" |
| 9 | |
| 10 | /* |
| 11 | * Driver features - change the values to enable or disable features in the |
| 12 | * driver. |
| 13 | */ |
| 14 | |
| 15 | /* |
| 16 | * Comand coalescing - This feature allows the driver to be able to combine |
| 17 | * two or more commands and issue as one command in order to boost I/O |
| 18 | * performance. Useful if the nature of the I/O is sequential. It is not very |
| 19 | * useful for random natured I/Os. |
| 20 | */ |
| 21 | #define MEGA_HAVE_COALESCING 0 |
| 22 | |
| 23 | /* |
| 24 | * Clustering support - Set this flag if you are planning to use the |
| 25 | * clustering services provided by the megaraid controllers and planning to |
| 26 | * setup a cluster |
| 27 | */ |
| 28 | #define MEGA_HAVE_CLUSTERING 1 |
| 29 | |
| 30 | /* |
| 31 | * Driver statistics - Set this flag if you are interested in statics about |
| 32 | * number of I/O completed on each logical drive and how many interrupts |
| 33 | * generated. If enabled, this information is available through /proc |
| 34 | * interface and through the private ioctl. Setting this flag has a |
| 35 | * performance penalty. |
| 36 | */ |
| 37 | #define MEGA_HAVE_STATS 0 |
| 38 | |
| 39 | /* |
| 40 | * Enhanced /proc interface - This feature will allow you to have a more |
| 41 | * detailed /proc interface for megaraid driver. E.g., a real time update of |
| 42 | * the status of the logical drives, battery status, physical drives etc. |
| 43 | */ |
| 44 | #define MEGA_HAVE_ENH_PROC 1 |
| 45 | |
| 46 | #define MAX_DEV_TYPE 32 |
| 47 | |
| 48 | #ifndef PCI_VENDOR_ID_LSI_LOGIC |
| 49 | #define PCI_VENDOR_ID_LSI_LOGIC 0x1000 |
| 50 | #endif |
| 51 | |
| 52 | #ifndef PCI_VENDOR_ID_AMI |
| 53 | #define PCI_VENDOR_ID_AMI 0x101E |
| 54 | #endif |
| 55 | |
| 56 | #ifndef PCI_VENDOR_ID_DELL |
| 57 | #define PCI_VENDOR_ID_DELL 0x1028 |
| 58 | #endif |
| 59 | |
| 60 | #ifndef PCI_VENDOR_ID_INTEL |
| 61 | #define PCI_VENDOR_ID_INTEL 0x8086 |
| 62 | #endif |
| 63 | |
| 64 | #ifndef PCI_DEVICE_ID_AMI_MEGARAID |
| 65 | #define PCI_DEVICE_ID_AMI_MEGARAID 0x9010 |
| 66 | #endif |
| 67 | |
| 68 | #ifndef PCI_DEVICE_ID_AMI_MEGARAID2 |
| 69 | #define PCI_DEVICE_ID_AMI_MEGARAID2 0x9060 |
| 70 | #endif |
| 71 | |
| 72 | #ifndef PCI_DEVICE_ID_AMI_MEGARAID3 |
| 73 | #define PCI_DEVICE_ID_AMI_MEGARAID3 0x1960 |
| 74 | #endif |
| 75 | |
| 76 | #define PCI_DEVICE_ID_DISCOVERY 0x000E |
| 77 | #define PCI_DEVICE_ID_PERC4_DI 0x000F |
| 78 | #define PCI_DEVICE_ID_PERC4_QC_VERDE 0x0407 |
| 79 | |
| 80 | /* Sub-System Vendor IDs */ |
| 81 | #define AMI_SUBSYS_VID 0x101E |
| 82 | #define DELL_SUBSYS_VID 0x1028 |
| 83 | #define HP_SUBSYS_VID 0x103C |
| 84 | #define LSI_SUBSYS_VID 0x1000 |
| 85 | #define INTEL_SUBSYS_VID 0x8086 |
| 86 | |
| 87 | #define HBA_SIGNATURE 0x3344 |
| 88 | #define HBA_SIGNATURE_471 0xCCCC |
| 89 | #define HBA_SIGNATURE_64BIT 0x0299 |
| 90 | |
| 91 | #define MBOX_BUSY_WAIT 10 /* wait for up to 10 usec for |
| 92 | mailbox to be free */ |
| 93 | #define DEFAULT_INITIATOR_ID 7 |
| 94 | |
| 95 | #define MAX_SGLIST 64 /* max supported in f/w */ |
| 96 | #define MIN_SGLIST 26 /* guaranteed to support these many */ |
| 97 | #define MAX_COMMANDS 126 |
| 98 | #define CMDID_INT_CMDS MAX_COMMANDS+1 /* make sure CMDID_INT_CMDS |
| 99 | is less than max commands |
| 100 | supported by any f/w */ |
| 101 | |
| 102 | #define MAX_CDB_LEN 10 |
| 103 | #define MAX_EXT_CDB_LEN 16 /* we support cdb length up to 16 */ |
| 104 | |
| 105 | #define DEF_CMD_PER_LUN 63 |
| 106 | #define MAX_CMD_PER_LUN MAX_COMMANDS |
| 107 | #define MAX_FIRMWARE_STATUS 46 |
| 108 | #define MAX_XFER_PER_CMD (64*1024) |
| 109 | #define MAX_SECTORS_PER_IO 128 |
| 110 | |
| 111 | #define MAX_LOGICAL_DRIVES_40LD 40 |
| 112 | #define FC_MAX_PHYSICAL_DEVICES 256 |
| 113 | #define MAX_LOGICAL_DRIVES_8LD 8 |
| 114 | #define MAX_CHANNELS 5 |
| 115 | #define MAX_TARGET 15 |
| 116 | #define MAX_PHYSICAL_DRIVES MAX_CHANNELS*MAX_TARGET |
| 117 | #define MAX_ROW_SIZE_40LD 32 |
| 118 | #define MAX_ROW_SIZE_8LD 8 |
| 119 | #define MAX_SPAN_DEPTH 8 |
| 120 | |
| 121 | #define NVIRT_CHAN 4 /* # of virtual channels to represent |
| 122 | up to 60 logical drives */ |
| 123 | struct mbox_out { |
| 124 | /* 0x0 */ u8 cmd; |
| 125 | /* 0x1 */ u8 cmdid; |
| 126 | /* 0x2 */ u16 numsectors; |
| 127 | /* 0x4 */ u32 lba; |
| 128 | /* 0x8 */ u32 xferaddr; |
| 129 | /* 0xC */ u8 logdrv; |
| 130 | /* 0xD */ u8 numsgelements; |
| 131 | /* 0xE */ u8 resvd; |
| 132 | } __attribute__ ((packed)); |
| 133 | |
| 134 | struct mbox_in { |
| 135 | /* 0xF */ volatile u8 busy; |
| 136 | /* 0x10 */ volatile u8 numstatus; |
| 137 | /* 0x11 */ volatile u8 status; |
| 138 | /* 0x12 */ volatile u8 completed[MAX_FIRMWARE_STATUS]; |
| 139 | volatile u8 poll; |
| 140 | volatile u8 ack; |
| 141 | } __attribute__ ((packed)); |
| 142 | |
| 143 | typedef struct { |
| 144 | struct mbox_out m_out; |
| 145 | struct mbox_in m_in; |
| 146 | } __attribute__ ((packed)) mbox_t; |
| 147 | |
| 148 | typedef struct { |
| 149 | u32 xfer_segment_lo; |
| 150 | u32 xfer_segment_hi; |
| 151 | mbox_t mbox; |
| 152 | } __attribute__ ((packed)) mbox64_t; |
| 153 | |
| 154 | |
| 155 | /* |
| 156 | * Passthru definitions |
| 157 | */ |
| 158 | #define MAX_REQ_SENSE_LEN 0x20 |
| 159 | |
| 160 | typedef struct { |
| 161 | u8 timeout:3; /* 0=6sec/1=60sec/2=10min/3=3hrs */ |
| 162 | u8 ars:1; |
| 163 | u8 reserved:3; |
| 164 | u8 islogical:1; |
| 165 | u8 logdrv; /* if islogical == 1 */ |
| 166 | u8 channel; /* if islogical == 0 */ |
| 167 | u8 target; /* if islogical == 0 */ |
| 168 | u8 queuetag; /* unused */ |
| 169 | u8 queueaction; /* unused */ |
| 170 | u8 cdb[MAX_CDB_LEN]; |
| 171 | u8 cdblen; |
| 172 | u8 reqsenselen; |
| 173 | u8 reqsensearea[MAX_REQ_SENSE_LEN]; |
| 174 | u8 numsgelements; |
| 175 | u8 scsistatus; |
| 176 | u32 dataxferaddr; |
| 177 | u32 dataxferlen; |
| 178 | } __attribute__ ((packed)) mega_passthru; |
| 179 | |
| 180 | |
| 181 | /* |
| 182 | * Extended passthru: support CDB > 10 bytes |
| 183 | */ |
| 184 | typedef struct { |
| 185 | u8 timeout:3; /* 0=6sec/1=60sec/2=10min/3=3hrs */ |
| 186 | u8 ars:1; |
| 187 | u8 rsvd1:1; |
| 188 | u8 cd_rom:1; |
| 189 | u8 rsvd2:1; |
| 190 | u8 islogical:1; |
| 191 | u8 logdrv; /* if islogical == 1 */ |
| 192 | u8 channel; /* if islogical == 0 */ |
| 193 | u8 target; /* if islogical == 0 */ |
| 194 | u8 queuetag; /* unused */ |
| 195 | u8 queueaction; /* unused */ |
| 196 | u8 cdblen; |
| 197 | u8 rsvd3; |
| 198 | u8 cdb[MAX_EXT_CDB_LEN]; |
| 199 | u8 numsgelements; |
| 200 | u8 status; |
| 201 | u8 reqsenselen; |
| 202 | u8 reqsensearea[MAX_REQ_SENSE_LEN]; |
| 203 | u8 rsvd4; |
| 204 | u32 dataxferaddr; |
| 205 | u32 dataxferlen; |
| 206 | } __attribute__ ((packed)) mega_ext_passthru; |
| 207 | |
| 208 | typedef struct { |
| 209 | u64 address; |
| 210 | u32 length; |
| 211 | } __attribute__ ((packed)) mega_sgl64; |
| 212 | |
| 213 | typedef struct { |
| 214 | u32 address; |
| 215 | u32 length; |
| 216 | } __attribute__ ((packed)) mega_sglist; |
| 217 | |
| 218 | |
| 219 | /* Queued command data */ |
| 220 | typedef struct { |
| 221 | int idx; |
| 222 | u32 state; |
| 223 | struct list_head list; |
| 224 | u8 raw_mbox[66]; |
| 225 | u32 dma_type; |
| 226 | u32 dma_direction; |
| 227 | |
| 228 | Scsi_Cmnd *cmd; |
| 229 | dma_addr_t dma_h_bulkdata; |
| 230 | dma_addr_t dma_h_sgdata; |
| 231 | |
| 232 | mega_sglist *sgl; |
| 233 | mega_sgl64 *sgl64; |
| 234 | dma_addr_t sgl_dma_addr; |
| 235 | |
| 236 | mega_passthru *pthru; |
| 237 | dma_addr_t pthru_dma_addr; |
| 238 | mega_ext_passthru *epthru; |
| 239 | dma_addr_t epthru_dma_addr; |
| 240 | } scb_t; |
| 241 | |
| 242 | /* |
| 243 | * Flags to follow the scb as it transitions between various stages |
| 244 | */ |
| 245 | #define SCB_FREE 0x0000 /* on the free list */ |
| 246 | #define SCB_ACTIVE 0x0001 /* off the free list */ |
| 247 | #define SCB_PENDQ 0x0002 /* on the pending queue */ |
| 248 | #define SCB_ISSUED 0x0004 /* issued - owner f/w */ |
| 249 | #define SCB_ABORT 0x0008 /* Got an abort for this one */ |
| 250 | #define SCB_RESET 0x0010 /* Got a reset for this one */ |
| 251 | |
| 252 | /* |
| 253 | * Utilities declare this strcture size as 1024 bytes. So more fields can |
| 254 | * be added in future. |
| 255 | */ |
| 256 | typedef struct { |
| 257 | u32 data_size; /* current size in bytes (not including resvd) */ |
| 258 | |
| 259 | u32 config_signature; |
| 260 | /* Current value is 0x00282008 |
| 261 | * 0x28=MAX_LOGICAL_DRIVES, |
| 262 | * 0x20=Number of stripes and |
| 263 | * 0x08=Number of spans */ |
| 264 | |
| 265 | u8 fw_version[16]; /* printable ASCI string */ |
| 266 | u8 bios_version[16]; /* printable ASCI string */ |
| 267 | u8 product_name[80]; /* printable ASCI string */ |
| 268 | |
| 269 | u8 max_commands; /* Max. concurrent commands supported */ |
| 270 | u8 nchannels; /* Number of SCSI Channels detected */ |
| 271 | u8 fc_loop_present; /* Number of Fibre Loops detected */ |
| 272 | u8 mem_type; /* EDO, FPM, SDRAM etc */ |
| 273 | |
| 274 | u32 signature; |
| 275 | u16 dram_size; /* In terms of MB */ |
| 276 | u16 subsysid; |
| 277 | |
| 278 | u16 subsysvid; |
| 279 | u8 notify_counters; |
| 280 | u8 pad1k[889]; /* 135 + 889 resvd = 1024 total size */ |
| 281 | } __attribute__ ((packed)) mega_product_info; |
| 282 | |
| 283 | struct notify { |
| 284 | u32 global_counter; /* Any change increments this counter */ |
| 285 | |
| 286 | u8 param_counter; /* Indicates any params changed */ |
| 287 | u8 param_id; /* Param modified - defined below */ |
| 288 | u16 param_val; /* New val of last param modified */ |
| 289 | |
| 290 | u8 write_config_counter; /* write config occurred */ |
| 291 | u8 write_config_rsvd[3]; |
| 292 | |
| 293 | u8 ldrv_op_counter; /* Indicates ldrv op started/completed */ |
| 294 | u8 ldrv_opid; /* ldrv num */ |
| 295 | u8 ldrv_opcmd; /* ldrv operation - defined below */ |
| 296 | u8 ldrv_opstatus; /* status of the operation */ |
| 297 | |
| 298 | u8 ldrv_state_counter; /* Indicates change of ldrv state */ |
| 299 | u8 ldrv_state_id; /* ldrv num */ |
| 300 | u8 ldrv_state_new; /* New state */ |
| 301 | u8 ldrv_state_old; /* old state */ |
| 302 | |
| 303 | u8 pdrv_state_counter; /* Indicates change of ldrv state */ |
| 304 | u8 pdrv_state_id; /* pdrv id */ |
| 305 | u8 pdrv_state_new; /* New state */ |
| 306 | u8 pdrv_state_old; /* old state */ |
| 307 | |
| 308 | u8 pdrv_fmt_counter; /* Indicates pdrv format started/over */ |
| 309 | u8 pdrv_fmt_id; /* pdrv id */ |
| 310 | u8 pdrv_fmt_val; /* format started/over */ |
| 311 | u8 pdrv_fmt_rsvd; |
| 312 | |
| 313 | u8 targ_xfer_counter; /* Indicates SCSI-2 Xfer rate change */ |
| 314 | u8 targ_xfer_id; /* pdrv Id */ |
| 315 | u8 targ_xfer_val; /* new Xfer params of last pdrv */ |
| 316 | u8 targ_xfer_rsvd; |
| 317 | |
| 318 | u8 fcloop_id_chg_counter; /* Indicates loopid changed */ |
| 319 | u8 fcloopid_pdrvid; /* pdrv id */ |
| 320 | u8 fcloop_id0; /* loopid on fc loop 0 */ |
| 321 | u8 fcloop_id1; /* loopid on fc loop 1 */ |
| 322 | |
| 323 | u8 fcloop_state_counter; /* Indicates loop state changed */ |
| 324 | u8 fcloop_state0; /* state of fc loop 0 */ |
| 325 | u8 fcloop_state1; /* state of fc loop 1 */ |
| 326 | u8 fcloop_state_rsvd; |
| 327 | } __attribute__ ((packed)); |
| 328 | |
| 329 | #define MAX_NOTIFY_SIZE 0x80 |
| 330 | #define CUR_NOTIFY_SIZE sizeof(struct notify) |
| 331 | |
| 332 | typedef struct { |
| 333 | u32 data_size; /* current size in bytes (not including resvd) */ |
| 334 | |
| 335 | struct notify notify; |
| 336 | |
| 337 | u8 notify_rsvd[MAX_NOTIFY_SIZE - CUR_NOTIFY_SIZE]; |
| 338 | |
| 339 | u8 rebuild_rate; /* Rebuild rate (0% - 100%) */ |
| 340 | u8 cache_flush_interval; /* In terms of Seconds */ |
| 341 | u8 sense_alert; |
| 342 | u8 drive_insert_count; /* drive insertion count */ |
| 343 | |
| 344 | u8 battery_status; |
| 345 | u8 num_ldrv; /* No. of Log Drives configured */ |
| 346 | u8 recon_state[MAX_LOGICAL_DRIVES_40LD / 8]; /* State of |
| 347 | reconstruct */ |
| 348 | u16 ldrv_op_status[MAX_LOGICAL_DRIVES_40LD / 8]; /* logdrv |
| 349 | Status */ |
| 350 | |
| 351 | u32 ldrv_size[MAX_LOGICAL_DRIVES_40LD];/* Size of each log drv */ |
| 352 | u8 ldrv_prop[MAX_LOGICAL_DRIVES_40LD]; |
| 353 | u8 ldrv_state[MAX_LOGICAL_DRIVES_40LD];/* State of log drives */ |
| 354 | u8 pdrv_state[FC_MAX_PHYSICAL_DEVICES];/* State of phys drvs. */ |
| 355 | u16 pdrv_format[FC_MAX_PHYSICAL_DEVICES / 16]; |
| 356 | |
| 357 | u8 targ_xfer[80]; /* phys device transfer rate */ |
| 358 | u8 pad1k[263]; /* 761 + 263reserved = 1024 bytes total size */ |
| 359 | } __attribute__ ((packed)) mega_inquiry3; |
| 360 | |
| 361 | |
| 362 | /* Structures */ |
| 363 | typedef struct { |
| 364 | u8 max_commands; /* Max concurrent commands supported */ |
| 365 | u8 rebuild_rate; /* Rebuild rate - 0% thru 100% */ |
| 366 | u8 max_targ_per_chan; /* Max targ per channel */ |
| 367 | u8 nchannels; /* Number of channels on HBA */ |
| 368 | u8 fw_version[4]; /* Firmware version */ |
| 369 | u16 age_of_flash; /* Number of times FW has been flashed */ |
| 370 | u8 chip_set_value; /* Contents of 0xC0000832 */ |
| 371 | u8 dram_size; /* In MB */ |
| 372 | u8 cache_flush_interval; /* in seconds */ |
| 373 | u8 bios_version[4]; |
| 374 | u8 board_type; |
| 375 | u8 sense_alert; |
| 376 | u8 write_config_count; /* Increase with every configuration |
| 377 | change */ |
| 378 | u8 drive_inserted_count; /* Increase with every drive inserted |
| 379 | */ |
| 380 | u8 inserted_drive; /* Channel:Id of inserted drive */ |
| 381 | u8 battery_status; /* |
| 382 | * BIT 0: battery module missing |
| 383 | * BIT 1: VBAD |
| 384 | * BIT 2: temprature high |
| 385 | * BIT 3: battery pack missing |
| 386 | * BIT 4,5: |
| 387 | * 00 - charge complete |
| 388 | * 01 - fast charge in progress |
| 389 | * 10 - fast charge fail |
| 390 | * 11 - undefined |
| 391 | * Bit 6: counter > 1000 |
| 392 | * Bit 7: Undefined |
| 393 | */ |
| 394 | u8 dec_fault_bus_info; |
| 395 | } __attribute__ ((packed)) mega_adp_info; |
| 396 | |
| 397 | |
| 398 | typedef struct { |
| 399 | u8 num_ldrv; /* Number of logical drives configured */ |
| 400 | u8 rsvd[3]; |
| 401 | u32 ldrv_size[MAX_LOGICAL_DRIVES_8LD]; |
| 402 | u8 ldrv_prop[MAX_LOGICAL_DRIVES_8LD]; |
| 403 | u8 ldrv_state[MAX_LOGICAL_DRIVES_8LD]; |
| 404 | } __attribute__ ((packed)) mega_ldrv_info; |
| 405 | |
| 406 | typedef struct { |
| 407 | u8 pdrv_state[MAX_PHYSICAL_DRIVES]; |
| 408 | u8 rsvd; |
| 409 | } __attribute__ ((packed)) mega_pdrv_info; |
| 410 | |
| 411 | /* RAID inquiry: Mailbox command 0x05*/ |
| 412 | typedef struct { |
| 413 | mega_adp_info adapter_info; |
| 414 | mega_ldrv_info logdrv_info; |
| 415 | mega_pdrv_info pdrv_info; |
| 416 | } __attribute__ ((packed)) mraid_inquiry; |
| 417 | |
| 418 | |
| 419 | /* RAID extended inquiry: Mailbox command 0x04*/ |
| 420 | typedef struct { |
| 421 | mraid_inquiry raid_inq; |
| 422 | u16 phys_drv_format[MAX_CHANNELS]; |
| 423 | u8 stack_attn; |
| 424 | u8 modem_status; |
| 425 | u8 rsvd[2]; |
| 426 | } __attribute__ ((packed)) mraid_ext_inquiry; |
| 427 | |
| 428 | |
| 429 | typedef struct { |
| 430 | u8 channel; |
| 431 | u8 target; |
| 432 | }__attribute__ ((packed)) adp_device; |
| 433 | |
| 434 | typedef struct { |
| 435 | u32 start_blk; /* starting block */ |
| 436 | u32 num_blks; /* # of blocks */ |
| 437 | adp_device device[MAX_ROW_SIZE_40LD]; |
| 438 | }__attribute__ ((packed)) adp_span_40ld; |
| 439 | |
| 440 | typedef struct { |
| 441 | u32 start_blk; /* starting block */ |
| 442 | u32 num_blks; /* # of blocks */ |
| 443 | adp_device device[MAX_ROW_SIZE_8LD]; |
| 444 | }__attribute__ ((packed)) adp_span_8ld; |
| 445 | |
| 446 | typedef struct { |
| 447 | u8 span_depth; /* Total # of spans */ |
| 448 | u8 level; /* RAID level */ |
| 449 | u8 read_ahead; /* read ahead, no read ahead, adaptive read |
| 450 | ahead */ |
| 451 | u8 stripe_sz; /* Encoded stripe size */ |
| 452 | u8 status; /* Status of the logical drive */ |
| 453 | u8 write_mode; /* write mode, write_through/write_back */ |
| 454 | u8 direct_io; /* direct io or through cache */ |
| 455 | u8 row_size; /* Number of stripes in a row */ |
| 456 | } __attribute__ ((packed)) logdrv_param; |
| 457 | |
| 458 | typedef struct { |
| 459 | logdrv_param lparam; |
| 460 | adp_span_40ld span[MAX_SPAN_DEPTH]; |
| 461 | }__attribute__ ((packed)) logdrv_40ld; |
| 462 | |
| 463 | typedef struct { |
| 464 | logdrv_param lparam; |
| 465 | adp_span_8ld span[MAX_SPAN_DEPTH]; |
| 466 | }__attribute__ ((packed)) logdrv_8ld; |
| 467 | |
| 468 | typedef struct { |
| 469 | u8 type; /* Type of the device */ |
| 470 | u8 cur_status; /* current status of the device */ |
| 471 | u8 tag_depth; /* Level of tagging */ |
| 472 | u8 sync_neg; /* sync negotiation - ENABLE or DISBALE */ |
| 473 | u32 size; /* configurable size in terms of 512 byte |
| 474 | blocks */ |
| 475 | }__attribute__ ((packed)) phys_drv; |
| 476 | |
| 477 | typedef struct { |
| 478 | u8 nlog_drives; /* number of logical drives */ |
| 479 | u8 resvd[3]; |
| 480 | logdrv_40ld ldrv[MAX_LOGICAL_DRIVES_40LD]; |
| 481 | phys_drv pdrv[MAX_PHYSICAL_DRIVES]; |
| 482 | }__attribute__ ((packed)) disk_array_40ld; |
| 483 | |
| 484 | typedef struct { |
| 485 | u8 nlog_drives; /* number of logical drives */ |
| 486 | u8 resvd[3]; |
| 487 | logdrv_8ld ldrv[MAX_LOGICAL_DRIVES_8LD]; |
| 488 | phys_drv pdrv[MAX_PHYSICAL_DRIVES]; |
| 489 | }__attribute__ ((packed)) disk_array_8ld; |
| 490 | |
| 491 | |
| 492 | /* |
| 493 | * User ioctl structure. |
| 494 | * This structure will be used for Traditional Method ioctl interface |
| 495 | * commands (0x80),Alternate Buffer Method (0x81) ioctl commands and the |
| 496 | * Driver ioctls. |
| 497 | * The Driver ioctl interface handles the commands at the driver level, |
| 498 | * without being sent to the card. |
| 499 | */ |
| 500 | /* system call imposed limit. Change accordingly */ |
| 501 | #define IOCTL_MAX_DATALEN 4096 |
| 502 | |
| 503 | struct uioctl_t { |
| 504 | u32 inlen; |
| 505 | u32 outlen; |
| 506 | union { |
| 507 | u8 fca[16]; |
| 508 | struct { |
| 509 | u8 opcode; |
| 510 | u8 subopcode; |
| 511 | u16 adapno; |
| 512 | #if BITS_PER_LONG == 32 |
| 513 | u8 *buffer; |
| 514 | u8 pad[4]; |
| 515 | #endif |
| 516 | #if BITS_PER_LONG == 64 |
| 517 | u8 *buffer; |
| 518 | #endif |
| 519 | u32 length; |
| 520 | } __attribute__ ((packed)) fcs; |
| 521 | } __attribute__ ((packed)) ui; |
| 522 | u8 mbox[18]; /* 16 bytes + 2 status bytes */ |
| 523 | mega_passthru pthru; |
| 524 | #if BITS_PER_LONG == 32 |
| 525 | char __user *data; /* buffer <= 4096 for 0x80 commands */ |
| 526 | char pad[4]; |
| 527 | #endif |
| 528 | #if BITS_PER_LONG == 64 |
| 529 | char __user *data; |
| 530 | #endif |
| 531 | } __attribute__ ((packed)); |
| 532 | |
| 533 | /* |
| 534 | * struct mcontroller is used to pass information about the controllers in the |
| 535 | * system. Its upto the application how to use the information. We are passing |
| 536 | * as much info about the cards as possible and useful. Before issuing the |
| 537 | * call to find information about the cards, the applicaiton needs to issue a |
| 538 | * ioctl first to find out the number of controllers in the system. |
| 539 | */ |
| 540 | #define MAX_CONTROLLERS 32 |
| 541 | |
| 542 | struct mcontroller { |
| 543 | u64 base; |
| 544 | u8 irq; |
| 545 | u8 numldrv; |
| 546 | u8 pcibus; |
| 547 | u16 pcidev; |
| 548 | u8 pcifun; |
| 549 | u16 pciid; |
| 550 | u16 pcivendor; |
| 551 | u8 pcislot; |
| 552 | u32 uid; |
| 553 | }; |
| 554 | |
| 555 | /* |
| 556 | * mailbox structure used for internal commands |
| 557 | */ |
| 558 | typedef struct { |
| 559 | u8 cmd; |
| 560 | u8 cmdid; |
| 561 | u8 opcode; |
| 562 | u8 subopcode; |
| 563 | u32 lba; |
| 564 | u32 xferaddr; |
| 565 | u8 logdrv; |
| 566 | u8 rsvd[3]; |
| 567 | u8 numstatus; |
| 568 | u8 status; |
| 569 | } __attribute__ ((packed)) megacmd_t; |
| 570 | |
| 571 | /* |
| 572 | * Defines for Driver IOCTL interface |
| 573 | */ |
| 574 | #define MEGAIOC_MAGIC 'm' |
| 575 | |
| 576 | #define MEGAIOC_QNADAP 'm' /* Query # of adapters */ |
| 577 | #define MEGAIOC_QDRVRVER 'e' /* Query driver version */ |
| 578 | #define MEGAIOC_QADAPINFO 'g' /* Query adapter information */ |
| 579 | #define MKADAP(adapno) (MEGAIOC_MAGIC << 8 | (adapno) ) |
| 580 | #define GETADAP(mkadap) ( (mkadap) ^ MEGAIOC_MAGIC << 8 ) |
| 581 | |
| 582 | /* |
| 583 | * Definition for the new ioctl interface (NIT) |
| 584 | */ |
| 585 | |
| 586 | /* |
| 587 | * Vendor specific Group-7 commands |
| 588 | */ |
| 589 | #define VENDOR_SPECIFIC_COMMANDS 0xE0 |
| 590 | #define MEGA_INTERNAL_CMD VENDOR_SPECIFIC_COMMANDS + 0x01 |
| 591 | |
| 592 | /* |
| 593 | * The ioctl command. No other command shall be used for this interface |
| 594 | */ |
| 595 | #define USCSICMD VENDOR_SPECIFIC_COMMANDS |
| 596 | |
| 597 | /* |
| 598 | * Data direction flags |
| 599 | */ |
| 600 | #define UIOC_RD 0x00001 |
| 601 | #define UIOC_WR 0x00002 |
| 602 | |
| 603 | /* |
| 604 | * ioctl opcodes |
| 605 | */ |
| 606 | #define MBOX_CMD 0x00000 /* DCMD or passthru command */ |
| 607 | #define GET_DRIVER_VER 0x10000 /* Get driver version */ |
| 608 | #define GET_N_ADAP 0x20000 /* Get number of adapters */ |
| 609 | #define GET_ADAP_INFO 0x30000 /* Get information about a adapter */ |
| 610 | #define GET_CAP 0x40000 /* Get ioctl capabilities */ |
| 611 | #define GET_STATS 0x50000 /* Get statistics, including error info */ |
| 612 | |
| 613 | |
| 614 | /* |
| 615 | * The ioctl structure. |
| 616 | * MBOX macro converts a nitioctl_t structure to megacmd_t pointer and |
| 617 | * MBOX_P macro converts a nitioctl_t pointer to megacmd_t pointer. |
| 618 | */ |
| 619 | typedef struct { |
| 620 | char signature[8]; /* Must contain "MEGANIT" */ |
| 621 | u32 opcode; /* opcode for the command */ |
| 622 | u32 adapno; /* adapter number */ |
| 623 | union { |
| 624 | u8 __raw_mbox[18]; |
| 625 | void __user *__uaddr; /* xferaddr for non-mbox cmds */ |
| 626 | }__ua; |
| 627 | |
| 628 | #define uioc_rmbox __ua.__raw_mbox |
| 629 | #define MBOX(uioc) ((megacmd_t *)&((uioc).__ua.__raw_mbox[0])) |
| 630 | #define MBOX_P(uioc) ((megacmd_t __user *)&((uioc)->__ua.__raw_mbox[0])) |
| 631 | #define uioc_uaddr __ua.__uaddr |
| 632 | |
| 633 | u32 xferlen; /* xferlen for DCMD and non-mbox |
| 634 | commands */ |
| 635 | u32 flags; /* data direction flags */ |
| 636 | }nitioctl_t; |
| 637 | |
| 638 | |
| 639 | /* |
| 640 | * I/O statistics for some applications like SNMP agent. The caller must |
| 641 | * provide the number of logical drives for which status should be reported. |
| 642 | */ |
| 643 | typedef struct { |
| 644 | int num_ldrv; /* Number for logical drives for which the |
| 645 | status should be reported. */ |
| 646 | u32 nreads[MAX_LOGICAL_DRIVES_40LD]; /* number of reads for |
| 647 | each logical drive */ |
| 648 | u32 nreadblocks[MAX_LOGICAL_DRIVES_40LD]; /* number of blocks |
| 649 | read for each logical |
| 650 | drive */ |
| 651 | u32 nwrites[MAX_LOGICAL_DRIVES_40LD]; /* number of writes |
| 652 | for each logical |
| 653 | drive */ |
| 654 | u32 nwriteblocks[MAX_LOGICAL_DRIVES_40LD]; /* number of blocks |
| 655 | writes for each |
| 656 | logical drive */ |
| 657 | u32 rd_errors[MAX_LOGICAL_DRIVES_40LD]; /* number of read |
| 658 | errors for each |
| 659 | logical drive */ |
| 660 | u32 wr_errors[MAX_LOGICAL_DRIVES_40LD]; /* number of write |
| 661 | errors for each |
| 662 | logical drive */ |
| 663 | }megastat_t; |
| 664 | |
| 665 | |
| 666 | struct private_bios_data { |
| 667 | u8 geometry:4; /* |
| 668 | * bits 0-3 - BIOS geometry |
| 669 | * 0x0001 - 1GB |
| 670 | * 0x0010 - 2GB |
| 671 | * 0x1000 - 8GB |
| 672 | * Others values are invalid |
| 673 | */ |
| 674 | u8 unused:4; /* bits 4-7 are unused */ |
| 675 | u8 boot_drv; /* |
| 676 | * logical drive set as boot drive |
| 677 | * 0..7 - for 8LD cards |
| 678 | * 0..39 - for 40LD cards |
| 679 | */ |
| 680 | u8 rsvd[12]; |
| 681 | u16 cksum; /* 0-(sum of first 13 bytes of this structure) */ |
| 682 | } __attribute__ ((packed)); |
| 683 | |
| 684 | |
| 685 | |
| 686 | |
| 687 | /* |
| 688 | * Mailbox and firmware commands and subopcodes used in this driver. |
| 689 | */ |
| 690 | |
| 691 | #define MEGA_MBOXCMD_LREAD 0x01 |
| 692 | #define MEGA_MBOXCMD_LWRITE 0x02 |
| 693 | #define MEGA_MBOXCMD_PASSTHRU 0x03 |
| 694 | #define MEGA_MBOXCMD_ADPEXTINQ 0x04 |
| 695 | #define MEGA_MBOXCMD_ADAPTERINQ 0x05 |
| 696 | #define MEGA_MBOXCMD_LREAD64 0xA7 |
| 697 | #define MEGA_MBOXCMD_LWRITE64 0xA8 |
| 698 | #define MEGA_MBOXCMD_PASSTHRU64 0xC3 |
| 699 | #define MEGA_MBOXCMD_EXTPTHRU 0xE3 |
| 700 | |
| 701 | #define MAIN_MISC_OPCODE 0xA4 /* f/w misc opcode */ |
| 702 | #define GET_MAX_SG_SUPPORT 0x01 /* get max sg len supported by f/w */ |
| 703 | |
| 704 | #define FC_NEW_CONFIG 0xA1 |
| 705 | #define NC_SUBOP_PRODUCT_INFO 0x0E |
| 706 | #define NC_SUBOP_ENQUIRY3 0x0F |
| 707 | #define ENQ3_GET_SOLICITED_FULL 0x02 |
| 708 | #define OP_DCMD_READ_CONFIG 0x04 |
| 709 | #define NEW_READ_CONFIG_8LD 0x67 |
| 710 | #define READ_CONFIG_8LD 0x07 |
| 711 | #define FLUSH_ADAPTER 0x0A |
| 712 | #define FLUSH_SYSTEM 0xFE |
| 713 | |
| 714 | /* |
| 715 | * Command for random deletion of logical drives |
| 716 | */ |
| 717 | #define FC_DEL_LOGDRV 0xA4 /* f/w command */ |
| 718 | #define OP_SUP_DEL_LOGDRV 0x2A /* is feature supported */ |
| 719 | #define OP_GET_LDID_MAP 0x18 /* get ldid and logdrv number map */ |
| 720 | #define OP_DEL_LOGDRV 0x1C /* delete logical drive */ |
| 721 | |
| 722 | /* |
| 723 | * BIOS commands |
| 724 | */ |
| 725 | #define IS_BIOS_ENABLED 0x62 |
| 726 | #define GET_BIOS 0x01 |
| 727 | #define CHNL_CLASS 0xA9 |
| 728 | #define GET_CHNL_CLASS 0x00 |
| 729 | #define SET_CHNL_CLASS 0x01 |
| 730 | #define CH_RAID 0x01 |
| 731 | #define CH_SCSI 0x00 |
| 732 | #define BIOS_PVT_DATA 0x40 |
| 733 | #define GET_BIOS_PVT_DATA 0x00 |
| 734 | |
| 735 | |
| 736 | /* |
| 737 | * Commands to support clustering |
| 738 | */ |
| 739 | #define MEGA_GET_TARGET_ID 0x7D |
| 740 | #define MEGA_CLUSTER_OP 0x70 |
| 741 | #define MEGA_GET_CLUSTER_MODE 0x02 |
| 742 | #define MEGA_CLUSTER_CMD 0x6E |
| 743 | #define MEGA_RESERVE_LD 0x01 |
| 744 | #define MEGA_RELEASE_LD 0x02 |
| 745 | #define MEGA_RESET_RESERVATIONS 0x03 |
| 746 | #define MEGA_RESERVATION_STATUS 0x04 |
| 747 | #define MEGA_RESERVE_PD 0x05 |
| 748 | #define MEGA_RELEASE_PD 0x06 |
| 749 | |
| 750 | |
| 751 | /* |
| 752 | * Module battery status |
| 753 | */ |
| 754 | #define MEGA_BATT_MODULE_MISSING 0x01 |
| 755 | #define MEGA_BATT_LOW_VOLTAGE 0x02 |
| 756 | #define MEGA_BATT_TEMP_HIGH 0x04 |
| 757 | #define MEGA_BATT_PACK_MISSING 0x08 |
| 758 | #define MEGA_BATT_CHARGE_MASK 0x30 |
| 759 | #define MEGA_BATT_CHARGE_DONE 0x00 |
| 760 | #define MEGA_BATT_CHARGE_INPROG 0x10 |
| 761 | #define MEGA_BATT_CHARGE_FAIL 0x20 |
| 762 | #define MEGA_BATT_CYCLES_EXCEEDED 0x40 |
| 763 | |
| 764 | /* |
| 765 | * Physical drive states. |
| 766 | */ |
| 767 | #define PDRV_UNCNF 0 |
| 768 | #define PDRV_ONLINE 3 |
| 769 | #define PDRV_FAILED 4 |
| 770 | #define PDRV_RBLD 5 |
| 771 | #define PDRV_HOTSPARE 6 |
| 772 | |
| 773 | |
| 774 | /* |
| 775 | * Raid logical drive states. |
| 776 | */ |
| 777 | #define RDRV_OFFLINE 0 |
| 778 | #define RDRV_DEGRADED 1 |
| 779 | #define RDRV_OPTIMAL 2 |
| 780 | #define RDRV_DELETED 3 |
| 781 | |
| 782 | /* |
| 783 | * Read, write and cache policies |
| 784 | */ |
| 785 | #define NO_READ_AHEAD 0 |
| 786 | #define READ_AHEAD 1 |
| 787 | #define ADAP_READ_AHEAD 2 |
| 788 | #define WRMODE_WRITE_THRU 0 |
| 789 | #define WRMODE_WRITE_BACK 1 |
| 790 | #define CACHED_IO 0 |
| 791 | #define DIRECT_IO 1 |
| 792 | |
| 793 | |
| 794 | #define SCSI_LIST(scp) ((struct list_head *)(&(scp)->SCp)) |
| 795 | |
| 796 | /* |
| 797 | * Each controller's soft state |
| 798 | */ |
| 799 | typedef struct { |
| 800 | int this_id; /* our id, may set to different than 7 if |
| 801 | clustering is available */ |
| 802 | u32 flag; |
| 803 | |
| 804 | unsigned long base; |
| 805 | |
| 806 | /* mbox64 with mbox not aligned on 16-byte boundry */ |
| 807 | mbox64_t *una_mbox64; |
| 808 | dma_addr_t una_mbox64_dma; |
| 809 | |
| 810 | volatile mbox64_t *mbox64;/* ptr to 64-bit mailbox */ |
| 811 | volatile mbox_t *mbox; /* ptr to standard mailbox */ |
| 812 | dma_addr_t mbox_dma; |
| 813 | |
| 814 | struct pci_dev *dev; |
| 815 | |
| 816 | struct list_head free_list; |
| 817 | struct list_head pending_list; |
| 818 | struct list_head completed_list; |
| 819 | |
| 820 | struct Scsi_Host *host; |
| 821 | |
| 822 | #define MEGA_BUFFER_SIZE (2*1024) |
| 823 | u8 *mega_buffer; |
| 824 | dma_addr_t buf_dma_handle; |
| 825 | |
| 826 | mega_product_info product_info; |
| 827 | |
| 828 | u8 max_cmds; |
| 829 | scb_t *scb_list; |
| 830 | |
| 831 | atomic_t pend_cmds; /* maintain a counter for pending |
| 832 | commands in firmware */ |
| 833 | |
| 834 | #if MEGA_HAVE_STATS |
| 835 | u32 nreads[MAX_LOGICAL_DRIVES_40LD]; |
| 836 | u32 nreadblocks[MAX_LOGICAL_DRIVES_40LD]; |
| 837 | u32 nwrites[MAX_LOGICAL_DRIVES_40LD]; |
| 838 | u32 nwriteblocks[MAX_LOGICAL_DRIVES_40LD]; |
| 839 | u32 rd_errors[MAX_LOGICAL_DRIVES_40LD]; |
| 840 | u32 wr_errors[MAX_LOGICAL_DRIVES_40LD]; |
| 841 | #endif |
| 842 | |
| 843 | /* Host adapter parameters */ |
| 844 | u8 numldrv; |
| 845 | u8 fw_version[7]; |
| 846 | u8 bios_version[7]; |
| 847 | |
| 848 | #ifdef CONFIG_PROC_FS |
| 849 | struct proc_dir_entry *controller_proc_dir_entry; |
| 850 | struct proc_dir_entry *proc_read; |
| 851 | struct proc_dir_entry *proc_stat; |
| 852 | struct proc_dir_entry *proc_mbox; |
| 853 | |
| 854 | #if MEGA_HAVE_ENH_PROC |
| 855 | struct proc_dir_entry *proc_rr; |
| 856 | struct proc_dir_entry *proc_battery; |
| 857 | #define MAX_PROC_CHANNELS 4 |
| 858 | struct proc_dir_entry *proc_pdrvstat[MAX_PROC_CHANNELS]; |
| 859 | struct proc_dir_entry *proc_rdrvstat[MAX_PROC_CHANNELS]; |
| 860 | #endif |
| 861 | |
| 862 | #endif |
| 863 | |
| 864 | int has_64bit_addr; /* are we using 64-bit addressing */ |
| 865 | int support_ext_cdb; |
| 866 | int boot_ldrv_enabled; |
| 867 | int boot_ldrv; |
| 868 | int boot_pdrv_enabled; /* boot from physical drive */ |
| 869 | int boot_pdrv_ch; /* boot physical drive channel */ |
| 870 | int boot_pdrv_tgt; /* boot physical drive target */ |
| 871 | |
| 872 | |
| 873 | int support_random_del; /* Do we support random deletion of |
| 874 | logdrvs */ |
| 875 | int read_ldidmap; /* set after logical drive deltion. The |
| 876 | logical drive number must be read from the |
| 877 | map */ |
| 878 | atomic_t quiescent; /* a stage reached when delete logical |
| 879 | drive needs to be done. Stop |
| 880 | sending requests to the hba till |
| 881 | delete operation is completed */ |
| 882 | spinlock_t lock; |
| 883 | |
| 884 | u8 logdrv_chan[MAX_CHANNELS+NVIRT_CHAN]; /* logical drive are on |
| 885 | what channels. */ |
| 886 | int mega_ch_class; |
| 887 | |
| 888 | u8 sglen; /* f/w supported scatter-gather list length */ |
| 889 | |
| 890 | scb_t int_scb; |
| 891 | Scsi_Cmnd int_scmd; |
Arjan van de Ven | 0b95067 | 2006-01-11 13:16:10 +0100 | [diff] [blame] | 892 | struct mutex int_mtx; /* To synchronize the internal |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 893 | commands */ |
Christoph Hellwig | 8d115f8 | 2005-06-19 13:42:05 +0200 | [diff] [blame] | 894 | struct completion int_waitq; /* wait queue for internal |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 895 | cmds */ |
| 896 | |
| 897 | int has_cluster; /* cluster support on this HBA */ |
| 898 | }adapter_t; |
| 899 | |
| 900 | |
| 901 | struct mega_hbas { |
| 902 | int is_bios_enabled; |
| 903 | adapter_t *hostdata_addr; |
| 904 | }; |
| 905 | |
| 906 | |
| 907 | /* |
| 908 | * For state flag. Do not use LSB(8 bits) which are |
| 909 | * reserved for storing info about channels. |
| 910 | */ |
| 911 | #define IN_ABORT 0x80000000L |
| 912 | #define IN_RESET 0x40000000L |
| 913 | #define BOARD_MEMMAP 0x20000000L |
| 914 | #define BOARD_IOMAP 0x10000000L |
| 915 | #define BOARD_40LD 0x08000000L |
| 916 | #define BOARD_64BIT 0x04000000L |
| 917 | |
| 918 | #define INTR_VALID 0x40 |
| 919 | |
| 920 | #define PCI_CONF_AMISIG 0xa0 |
| 921 | #define PCI_CONF_AMISIG64 0xa4 |
| 922 | |
| 923 | |
| 924 | #define MEGA_DMA_TYPE_NONE 0xFFFF |
| 925 | #define MEGA_BULK_DATA 0x0001 |
| 926 | #define MEGA_SGLIST 0x0002 |
| 927 | |
| 928 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 929 | * Parameters for the io-mapped controllers |
| 930 | */ |
| 931 | |
| 932 | /* I/O Port offsets */ |
| 933 | #define CMD_PORT 0x00 |
| 934 | #define ACK_PORT 0x00 |
| 935 | #define TOGGLE_PORT 0x01 |
| 936 | #define INTR_PORT 0x0a |
| 937 | |
| 938 | #define MBOX_BUSY_PORT 0x00 |
| 939 | #define MBOX_PORT0 0x04 |
| 940 | #define MBOX_PORT1 0x05 |
| 941 | #define MBOX_PORT2 0x06 |
| 942 | #define MBOX_PORT3 0x07 |
| 943 | #define ENABLE_MBOX_REGION 0x0B |
| 944 | |
| 945 | /* I/O Port Values */ |
| 946 | #define ISSUE_BYTE 0x10 |
| 947 | #define ACK_BYTE 0x08 |
| 948 | #define ENABLE_INTR_BYTE 0xc0 |
| 949 | #define DISABLE_INTR_BYTE 0x00 |
| 950 | #define VALID_INTR_BYTE 0x40 |
| 951 | #define MBOX_BUSY_BYTE 0x10 |
| 952 | #define ENABLE_MBOX_BYTE 0x00 |
| 953 | |
| 954 | |
| 955 | /* Setup some port macros here */ |
| 956 | #define issue_command(adapter) \ |
| 957 | outb_p(ISSUE_BYTE, (adapter)->base + CMD_PORT) |
| 958 | |
| 959 | #define irq_state(adapter) inb_p((adapter)->base + INTR_PORT) |
| 960 | |
| 961 | #define set_irq_state(adapter, value) \ |
| 962 | outb_p((value), (adapter)->base + INTR_PORT) |
| 963 | |
| 964 | #define irq_ack(adapter) \ |
| 965 | outb_p(ACK_BYTE, (adapter)->base + ACK_PORT) |
| 966 | |
| 967 | #define irq_enable(adapter) \ |
| 968 | outb_p(ENABLE_INTR_BYTE, (adapter)->base + TOGGLE_PORT) |
| 969 | |
| 970 | #define irq_disable(adapter) \ |
| 971 | outb_p(DISABLE_INTR_BYTE, (adapter)->base + TOGGLE_PORT) |
| 972 | |
| 973 | |
| 974 | /* |
| 975 | * This is our SYSDEP area. All kernel specific detail should be placed here - |
| 976 | * as much as possible |
| 977 | */ |
| 978 | |
| 979 | /* |
| 980 | * End of SYSDEP area |
| 981 | */ |
| 982 | |
| 983 | const char *megaraid_info (struct Scsi_Host *); |
| 984 | |
| 985 | static int mega_query_adapter(adapter_t *); |
| 986 | static int issue_scb(adapter_t *, scb_t *); |
| 987 | static int mega_setup_mailbox(adapter_t *); |
| 988 | |
| 989 | static int megaraid_queue (Scsi_Cmnd *, void (*)(Scsi_Cmnd *)); |
| 990 | static scb_t * mega_build_cmd(adapter_t *, Scsi_Cmnd *, int *); |
| 991 | static void __mega_runpendq(adapter_t *); |
| 992 | static int issue_scb_block(adapter_t *, u_char *); |
| 993 | |
| 994 | static irqreturn_t megaraid_isr_memmapped(int, void *, struct pt_regs *); |
| 995 | static irqreturn_t megaraid_isr_iomapped(int, void *, struct pt_regs *); |
| 996 | |
| 997 | static void mega_free_scb(adapter_t *, scb_t *); |
| 998 | |
| 999 | static int megaraid_abort(Scsi_Cmnd *); |
| 1000 | static int megaraid_reset(Scsi_Cmnd *); |
| 1001 | static int megaraid_abort_and_reset(adapter_t *, Scsi_Cmnd *, int); |
| 1002 | static int megaraid_biosparam(struct scsi_device *, struct block_device *, |
| 1003 | sector_t, int []); |
| 1004 | static int mega_print_inquiry(char *, char *); |
| 1005 | |
| 1006 | static int mega_build_sglist (adapter_t *adapter, scb_t *scb, |
| 1007 | u32 *buffer, u32 *length); |
| 1008 | static int __mega_busywait_mbox (adapter_t *); |
| 1009 | static void mega_rundoneq (adapter_t *); |
| 1010 | static void mega_cmd_done(adapter_t *, u8 [], int, int); |
| 1011 | static inline void mega_free_sgl (adapter_t *adapter); |
| 1012 | static void mega_8_to_40ld (mraid_inquiry *inquiry, |
| 1013 | mega_inquiry3 *enquiry3, mega_product_info *); |
| 1014 | |
| 1015 | static int megadev_open (struct inode *, struct file *); |
| 1016 | static int megadev_ioctl (struct inode *, struct file *, unsigned int, |
| 1017 | unsigned long); |
| 1018 | static int mega_m_to_n(void __user *, nitioctl_t *); |
| 1019 | static int mega_n_to_m(void __user *, megacmd_t *); |
| 1020 | |
| 1021 | static int mega_init_scb (adapter_t *); |
| 1022 | |
| 1023 | static int mega_is_bios_enabled (adapter_t *); |
| 1024 | |
| 1025 | #ifdef CONFIG_PROC_FS |
| 1026 | static void mega_create_proc_entry(int, struct proc_dir_entry *); |
| 1027 | static int proc_read_config(char *, char **, off_t, int, int *, void *); |
| 1028 | static int proc_read_stat(char *, char **, off_t, int, int *, void *); |
| 1029 | static int proc_read_mbox(char *, char **, off_t, int, int *, void *); |
| 1030 | static int proc_rebuild_rate(char *, char **, off_t, int, int *, void *); |
| 1031 | static int proc_battery(char *, char **, off_t, int, int *, void *); |
| 1032 | static int proc_pdrv_ch0(char *, char **, off_t, int, int *, void *); |
| 1033 | static int proc_pdrv_ch1(char *, char **, off_t, int, int *, void *); |
| 1034 | static int proc_pdrv_ch2(char *, char **, off_t, int, int *, void *); |
| 1035 | static int proc_pdrv_ch3(char *, char **, off_t, int, int *, void *); |
| 1036 | static int proc_pdrv(adapter_t *, char *, int); |
| 1037 | static int proc_rdrv_10(char *, char **, off_t, int, int *, void *); |
| 1038 | static int proc_rdrv_20(char *, char **, off_t, int, int *, void *); |
| 1039 | static int proc_rdrv_30(char *, char **, off_t, int, int *, void *); |
| 1040 | static int proc_rdrv_40(char *, char **, off_t, int, int *, void *); |
| 1041 | static int proc_rdrv(adapter_t *, char *, int, int); |
| 1042 | #endif |
| 1043 | |
| 1044 | static int mega_adapinq(adapter_t *, dma_addr_t); |
| 1045 | static int mega_internal_dev_inquiry(adapter_t *, u8, u8, dma_addr_t); |
| 1046 | |
| 1047 | static int mega_support_ext_cdb(adapter_t *); |
| 1048 | static mega_passthru* mega_prepare_passthru(adapter_t *, scb_t *, |
| 1049 | Scsi_Cmnd *, int, int); |
| 1050 | static mega_ext_passthru* mega_prepare_extpassthru(adapter_t *, |
| 1051 | scb_t *, Scsi_Cmnd *, int, int); |
| 1052 | static void mega_enum_raid_scsi(adapter_t *); |
| 1053 | static void mega_get_boot_drv(adapter_t *); |
| 1054 | static int mega_support_random_del(adapter_t *); |
| 1055 | static int mega_del_logdrv(adapter_t *, int); |
| 1056 | static int mega_do_del_logdrv(adapter_t *, int); |
| 1057 | static void mega_get_max_sgl(adapter_t *); |
Christoph Hellwig | cb0258a | 2005-10-31 20:12:07 +0100 | [diff] [blame] | 1058 | static int mega_internal_command(adapter_t *, megacmd_t *, mega_passthru *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1059 | static void mega_internal_done(Scsi_Cmnd *); |
| 1060 | static int mega_support_cluster(adapter_t *); |
| 1061 | #endif |
| 1062 | |
| 1063 | /* vi: set ts=8 sw=8 tw=78: */ |