1 /* 2 3w-9xxx.h -- 3ware 9000 Storage Controller device driver for Linux. 3 4 Written By: Adam Radford <linuxraid@amcc.com> 5 Modifications By: Tom Couch <linuxraid@amcc.com> 6 7 Copyright (C) 2004-2006 Applied Micro Circuits Corporation. 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; version 2 of the License. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 NO WARRANTY 19 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR 20 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT 21 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, 22 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is 23 solely responsible for determining the appropriateness of using and 24 distributing the Program and assumes all risks associated with its 25 exercise of rights under this Agreement, including but not limited to 26 the risks and costs of program errors, damage to or loss of data, 27 programs or equipment, and unavailability or interruption of operations. 28 29 DISCLAIMER OF LIABILITY 30 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY 31 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND 33 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 34 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 35 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED 36 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES 37 38 You should have received a copy of the GNU General Public License 39 along with this program; if not, write to the Free Software 40 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 41 42 Bugs/Comments/Suggestions should be mailed to: 43 linuxraid@amcc.com 44 45 For more information, goto: 46 http://www.amcc.com 47 */ 48 49 #ifndef _3W_9XXX_H 50 #define _3W_9XXX_H 51 52 /* AEN string type */ 53 typedef struct TAG_twa_message_type { 54 unsigned int code; 55 char* text; 56 } twa_message_type; 57 58 /* AEN strings */ 59 static twa_message_type twa_aen_table[] = { 60 {0x0000, "AEN queue empty"}, 61 {0x0001, "Controller reset occurred"}, 62 {0x0002, "Degraded unit detected"}, 63 {0x0003, "Controller error occured"}, 64 {0x0004, "Background rebuild failed"}, 65 {0x0005, "Background rebuild done"}, 66 {0x0006, "Incomplete unit detected"}, 67 {0x0007, "Background initialize done"}, 68 {0x0008, "Unclean shutdown detected"}, 69 {0x0009, "Drive timeout detected"}, 70 {0x000A, "Drive error detected"}, 71 {0x000B, "Rebuild started"}, 72 {0x000C, "Background initialize started"}, 73 {0x000D, "Entire logical unit was deleted"}, 74 {0x000E, "Background initialize failed"}, 75 {0x000F, "SMART attribute exceeded threshold"}, 76 {0x0010, "Power supply reported AC under range"}, 77 {0x0011, "Power supply reported DC out of range"}, 78 {0x0012, "Power supply reported a malfunction"}, 79 {0x0013, "Power supply predicted malfunction"}, 80 {0x0014, "Battery charge is below threshold"}, 81 {0x0015, "Fan speed is below threshold"}, 82 {0x0016, "Temperature sensor is above threshold"}, 83 {0x0017, "Power supply was removed"}, 84 {0x0018, "Power supply was inserted"}, 85 {0x0019, "Drive was removed from a bay"}, 86 {0x001A, "Drive was inserted into a bay"}, 87 {0x001B, "Drive bay cover door was opened"}, 88 {0x001C, "Drive bay cover door was closed"}, 89 {0x001D, "Product case was opened"}, 90 {0x0020, "Prepare for shutdown (power-off)"}, 91 {0x0021, "Downgrade UDMA mode to lower speed"}, 92 {0x0022, "Upgrade UDMA mode to higher speed"}, 93 {0x0023, "Sector repair completed"}, 94 {0x0024, "Sbuf memory test failed"}, 95 {0x0025, "Error flushing cached write data to array"}, 96 {0x0026, "Drive reported data ECC error"}, 97 {0x0027, "DCB has checksum error"}, 98 {0x0028, "DCB version is unsupported"}, 99 {0x0029, "Background verify started"}, 100 {0x002A, "Background verify failed"}, 101 {0x002B, "Background verify done"}, 102 {0x002C, "Bad sector overwritten during rebuild"}, 103 {0x002D, "Background rebuild error on source drive"}, 104 {0x002E, "Replace failed because replacement drive too small"}, 105 {0x002F, "Verify failed because array was never initialized"}, 106 {0x0030, "Unsupported ATA drive"}, 107 {0x0031, "Synchronize host/controller time"}, 108 {0x0032, "Spare capacity is inadequate for some units"}, 109 {0x0033, "Background migration started"}, 110 {0x0034, "Background migration failed"}, 111 {0x0035, "Background migration done"}, 112 {0x0036, "Verify detected and fixed data/parity mismatch"}, 113 {0x0037, "SO-DIMM incompatible"}, 114 {0x0038, "SO-DIMM not detected"}, 115 {0x0039, "Corrected Sbuf ECC error"}, 116 {0x003A, "Drive power on reset detected"}, 117 {0x003B, "Background rebuild paused"}, 118 {0x003C, "Background initialize paused"}, 119 {0x003D, "Background verify paused"}, 120 {0x003E, "Background migration paused"}, 121 {0x003F, "Corrupt flash file system detected"}, 122 {0x0040, "Flash file system repaired"}, 123 {0x0041, "Unit number assignments were lost"}, 124 {0x0042, "Error during read of primary DCB"}, 125 {0x0043, "Latent error found in backup DCB"}, 126 {0x00FC, "Recovered/finished array membership update"}, 127 {0x00FD, "Handler lockup"}, 128 {0x00FE, "Retrying PCI transfer"}, 129 {0x00FF, "AEN queue is full"}, 130 {0xFFFFFFFF, (char*) 0} 131 }; 132 133 /* AEN severity table */ 134 static char *twa_aen_severity_table[] = 135 { 136 "None", "ERROR", "WARNING", "INFO", "DEBUG", (char*) 0 137 }; 138 139 /* Error strings */ 140 static twa_message_type twa_error_table[] = { 141 {0x0100, "SGL entry contains zero data"}, 142 {0x0101, "Invalid command opcode"}, 143 {0x0102, "SGL entry has unaligned address"}, 144 {0x0103, "SGL size does not match command"}, 145 {0x0104, "SGL entry has illegal length"}, 146 {0x0105, "Command packet is not aligned"}, 147 {0x0106, "Invalid request ID"}, 148 {0x0107, "Duplicate request ID"}, 149 {0x0108, "ID not locked"}, 150 {0x0109, "LBA out of range"}, 151 {0x010A, "Logical unit not supported"}, 152 {0x010B, "Parameter table does not exist"}, 153 {0x010C, "Parameter index does not exist"}, 154 {0x010D, "Invalid field in CDB"}, 155 {0x010E, "Specified port has invalid drive"}, 156 {0x010F, "Parameter item size mismatch"}, 157 {0x0110, "Failed memory allocation"}, 158 {0x0111, "Memory request too large"}, 159 {0x0112, "Out of memory segments"}, 160 {0x0113, "Invalid address to deallocate"}, 161 {0x0114, "Out of memory"}, 162 {0x0115, "Out of heap"}, 163 {0x0120, "Double degrade"}, 164 {0x0121, "Drive not degraded"}, 165 {0x0122, "Reconstruct error"}, 166 {0x0123, "Replace not accepted"}, 167 {0x0124, "Replace drive capacity too small"}, 168 {0x0125, "Sector count not allowed"}, 169 {0x0126, "No spares left"}, 170 {0x0127, "Reconstruct error"}, 171 {0x0128, "Unit is offline"}, 172 {0x0129, "Cannot update status to DCB"}, 173 {0x0130, "Invalid stripe handle"}, 174 {0x0131, "Handle that was not locked"}, 175 {0x0132, "Handle that was not empty"}, 176 {0x0133, "Handle has different owner"}, 177 {0x0140, "IPR has parent"}, 178 {0x0150, "Illegal Pbuf address alignment"}, 179 {0x0151, "Illegal Pbuf transfer length"}, 180 {0x0152, "Illegal Sbuf address alignment"}, 181 {0x0153, "Illegal Sbuf transfer length"}, 182 {0x0160, "Command packet too large"}, 183 {0x0161, "SGL exceeds maximum length"}, 184 {0x0162, "SGL has too many entries"}, 185 {0x0170, "Insufficient resources for rebuilder"}, 186 {0x0171, "Verify error (data != parity)"}, 187 {0x0180, "Requested segment not in directory of this DCB"}, 188 {0x0181, "DCB segment has unsupported version"}, 189 {0x0182, "DCB segment has checksum error"}, 190 {0x0183, "DCB support (settings) segment invalid"}, 191 {0x0184, "DCB UDB (unit descriptor block) segment invalid"}, 192 {0x0185, "DCB GUID (globally unique identifier) segment invalid"}, 193 {0x01A0, "Could not clear Sbuf"}, 194 {0x01C0, "Flash identify failed"}, 195 {0x01C1, "Flash out of bounds"}, 196 {0x01C2, "Flash verify error"}, 197 {0x01C3, "Flash file object not found"}, 198 {0x01C4, "Flash file already present"}, 199 {0x01C5, "Flash file system full"}, 200 {0x01C6, "Flash file not present"}, 201 {0x01C7, "Flash file size error"}, 202 {0x01C8, "Bad flash file checksum"}, 203 {0x01CA, "Corrupt flash file system detected"}, 204 {0x01D0, "Invalid field in parameter list"}, 205 {0x01D1, "Parameter list length error"}, 206 {0x01D2, "Parameter item is not changeable"}, 207 {0x01D3, "Parameter item is not saveable"}, 208 {0x0200, "UDMA CRC error"}, 209 {0x0201, "Internal CRC error"}, 210 {0x0202, "Data ECC error"}, 211 {0x0203, "ADP level 1 error"}, 212 {0x0204, "Port timeout"}, 213 {0x0205, "Drive power on reset"}, 214 {0x0206, "ADP level 2 error"}, 215 {0x0207, "Soft reset failed"}, 216 {0x0208, "Drive not ready"}, 217 {0x0209, "Unclassified port error"}, 218 {0x020A, "Drive aborted command"}, 219 {0x0210, "Internal CRC error"}, 220 {0x0211, "PCI abort error"}, 221 {0x0212, "PCI parity error"}, 222 {0x0213, "Port handler error"}, 223 {0x0214, "Token interrupt count error"}, 224 {0x0215, "Timeout waiting for PCI transfer"}, 225 {0x0216, "Corrected buffer ECC"}, 226 {0x0217, "Uncorrected buffer ECC"}, 227 {0x0230, "Unsupported command during flash recovery"}, 228 {0x0231, "Next image buffer expected"}, 229 {0x0232, "Binary image architecture incompatible"}, 230 {0x0233, "Binary image has no signature"}, 231 {0x0234, "Binary image has bad checksum"}, 232 {0x0235, "Image downloaded overflowed buffer"}, 233 {0x0240, "I2C device not found"}, 234 {0x0241, "I2C transaction aborted"}, 235 {0x0242, "SO-DIMM parameter(s) incompatible using defaults"}, 236 {0x0243, "SO-DIMM unsupported"}, 237 {0x0248, "SPI transfer status error"}, 238 {0x0249, "SPI transfer timeout error"}, 239 {0x0250, "Invalid unit descriptor size in CreateUnit"}, 240 {0x0251, "Unit descriptor size exceeds data buffer in CreateUnit"}, 241 {0x0252, "Invalid value in CreateUnit descriptor"}, 242 {0x0253, "Inadequate disk space to support descriptor in CreateUnit"}, 243 {0x0254, "Unable to create data channel for this unit descriptor"}, 244 {0x0255, "CreateUnit descriptor specifies a drive already in use"}, 245 {0x0256, "Unable to write configuration to all disks during CreateUnit"}, 246 {0x0257, "CreateUnit does not support this descriptor version"}, 247 {0x0258, "Invalid subunit for RAID 0 or 5 in CreateUnit"}, 248 {0x0259, "Too many descriptors in CreateUnit"}, 249 {0x025A, "Invalid configuration specified in CreateUnit descriptor"}, 250 {0x025B, "Invalid LBA offset specified in CreateUnit descriptor"}, 251 {0x025C, "Invalid stripelet size specified in CreateUnit descriptor"}, 252 {0x0260, "SMART attribute exceeded threshold"}, 253 {0xFFFFFFFF, (char*) 0} 254 }; 255 256 /* Control register bit definitions */ 257 #define TW_CONTROL_CLEAR_HOST_INTERRUPT 0x00080000 258 #define TW_CONTROL_CLEAR_ATTENTION_INTERRUPT 0x00040000 259 #define TW_CONTROL_MASK_COMMAND_INTERRUPT 0x00020000 260 #define TW_CONTROL_MASK_RESPONSE_INTERRUPT 0x00010000 261 #define TW_CONTROL_UNMASK_COMMAND_INTERRUPT 0x00008000 262 #define TW_CONTROL_UNMASK_RESPONSE_INTERRUPT 0x00004000 263 #define TW_CONTROL_CLEAR_ERROR_STATUS 0x00000200 264 #define TW_CONTROL_ISSUE_SOFT_RESET 0x00000100 265 #define TW_CONTROL_ENABLE_INTERRUPTS 0x00000080 266 #define TW_CONTROL_DISABLE_INTERRUPTS 0x00000040 267 #define TW_CONTROL_ISSUE_HOST_INTERRUPT 0x00000020 268 #define TW_CONTROL_CLEAR_PARITY_ERROR 0x00800000 269 #define TW_CONTROL_CLEAR_QUEUE_ERROR 0x00400000 270 #define TW_CONTROL_CLEAR_PCI_ABORT 0x00100000 271 272 /* Status register bit definitions */ 273 #define TW_STATUS_MAJOR_VERSION_MASK 0xF0000000 274 #define TW_STATUS_MINOR_VERSION_MASK 0x0F000000 275 #define TW_STATUS_PCI_PARITY_ERROR 0x00800000 276 #define TW_STATUS_QUEUE_ERROR 0x00400000 277 #define TW_STATUS_MICROCONTROLLER_ERROR 0x00200000 278 #define TW_STATUS_PCI_ABORT 0x00100000 279 #define TW_STATUS_HOST_INTERRUPT 0x00080000 280 #define TW_STATUS_ATTENTION_INTERRUPT 0x00040000 281 #define TW_STATUS_COMMAND_INTERRUPT 0x00020000 282 #define TW_STATUS_RESPONSE_INTERRUPT 0x00010000 283 #define TW_STATUS_COMMAND_QUEUE_FULL 0x00008000 284 #define TW_STATUS_RESPONSE_QUEUE_EMPTY 0x00004000 285 #define TW_STATUS_MICROCONTROLLER_READY 0x00002000 286 #define TW_STATUS_COMMAND_QUEUE_EMPTY 0x00001000 287 #define TW_STATUS_EXPECTED_BITS 0x00002000 288 #define TW_STATUS_UNEXPECTED_BITS 0x00F00000 289 #define TW_STATUS_VALID_INTERRUPT 0x00DF0000 290 291 /* PCI related defines */ 292 #define TW_NUMDEVICES 1 293 #define TW_PCI_CLEAR_PARITY_ERRORS 0xc100 294 #define TW_PCI_CLEAR_PCI_ABORT 0x2000 295 296 /* Command packet opcodes used by the driver */ 297 #define TW_OP_INIT_CONNECTION 0x1 298 #define TW_OP_GET_PARAM 0x12 299 #define TW_OP_SET_PARAM 0x13 300 #define TW_OP_EXECUTE_SCSI 0x10 301 #define TW_OP_DOWNLOAD_FIRMWARE 0x16 302 #define TW_OP_RESET 0x1C 303 304 /* Asynchronous Event Notification (AEN) codes used by the driver */ 305 #define TW_AEN_QUEUE_EMPTY 0x0000 306 #define TW_AEN_SOFT_RESET 0x0001 307 #define TW_AEN_SYNC_TIME_WITH_HOST 0x031 308 #define TW_AEN_SEVERITY_ERROR 0x1 309 #define TW_AEN_SEVERITY_DEBUG 0x4 310 #define TW_AEN_NOT_RETRIEVED 0x1 311 #define TW_AEN_RETRIEVED 0x2 312 313 /* Command state defines */ 314 #define TW_S_INITIAL 0x1 /* Initial state */ 315 #define TW_S_STARTED 0x2 /* Id in use */ 316 #define TW_S_POSTED 0x4 /* Posted to the controller */ 317 #define TW_S_PENDING 0x8 /* Waiting to be posted in isr */ 318 #define TW_S_COMPLETED 0x10 /* Completed by isr */ 319 #define TW_S_FINISHED 0x20 /* I/O completely done */ 320 321 /* Compatibility defines */ 322 #define TW_9000_ARCH_ID 0x5 323 #define TW_CURRENT_DRIVER_SRL 30 324 #define TW_CURRENT_DRIVER_BUILD 80 325 #define TW_CURRENT_DRIVER_BRANCH 0 326 327 /* Phase defines */ 328 #define TW_PHASE_INITIAL 0 329 #define TW_PHASE_SINGLE 1 330 #define TW_PHASE_SGLIST 2 331 332 /* Misc defines */ 333 #define TW_9550SX_DRAIN_COMPLETED 0xFFFF 334 #define TW_SECTOR_SIZE 512 335 #define TW_ALIGNMENT_9000 4 /* 4 bytes */ 336 #define TW_ALIGNMENT_9000_SGL 0x3 337 #define TW_MAX_UNITS 16 338 #define TW_INIT_MESSAGE_CREDITS 0x100 339 #define TW_INIT_COMMAND_PACKET_SIZE 0x3 340 #define TW_INIT_COMMAND_PACKET_SIZE_EXTENDED 0x6 341 #define TW_EXTENDED_INIT_CONNECT 0x2 342 #define TW_BUNDLED_FW_SAFE_TO_FLASH 0x4 343 #define TW_CTLR_FW_RECOMMENDS_FLASH 0x8 344 #define TW_CTLR_FW_COMPATIBLE 0x2 345 #define TW_BASE_FW_SRL 24 346 #define TW_BASE_FW_BRANCH 0 347 #define TW_BASE_FW_BUILD 1 348 #define TW_FW_SRL_LUNS_SUPPORTED 28 349 #define TW_Q_LENGTH 256 350 #define TW_Q_START 0 351 #define TW_MAX_SLOT 32 352 #define TW_MAX_RESET_TRIES 2 353 #define TW_MAX_CMDS_PER_LUN 254 354 #define TW_MAX_RESPONSE_DRAIN 256 355 #define TW_MAX_AEN_DRAIN 40 356 #define TW_IN_RESET 2 357 #define TW_IN_CHRDEV_IOCTL 3 358 #define TW_IN_ATTENTION_LOOP 4 359 #define TW_MAX_SECTORS 256 360 #define TW_AEN_WAIT_TIME 1000 361 #define TW_IOCTL_WAIT_TIME (1 * HZ) /* 1 second */ 362 #define TW_MAX_CDB_LEN 16 363 #define TW_ISR_DONT_COMPLETE 2 364 #define TW_ISR_DONT_RESULT 3 365 #define TW_IOCTL_CHRDEV_TIMEOUT 60 /* 60 seconds */ 366 #define TW_IOCTL_CHRDEV_FREE -1 367 #define TW_COMMAND_OFFSET 128 /* 128 bytes */ 368 #define TW_VERSION_TABLE 0x0402 369 #define TW_TIMEKEEP_TABLE 0x040A 370 #define TW_INFORMATION_TABLE 0x0403 371 #define TW_PARAM_FWVER 3 372 #define TW_PARAM_FWVER_LENGTH 16 373 #define TW_PARAM_BIOSVER 4 374 #define TW_PARAM_BIOSVER_LENGTH 16 375 #define TW_PARAM_PORTCOUNT 3 376 #define TW_PARAM_PORTCOUNT_LENGTH 1 377 #define TW_MIN_SGL_LENGTH 0x200 /* 512 bytes */ 378 #define TW_MAX_SENSE_LENGTH 256 379 #define TW_EVENT_SOURCE_AEN 0x1000 380 #define TW_EVENT_SOURCE_COMMAND 0x1001 381 #define TW_EVENT_SOURCE_PCHIP 0x1002 382 #define TW_EVENT_SOURCE_DRIVER 0x1003 383 #define TW_IOCTL_GET_COMPATIBILITY_INFO 0x101 384 #define TW_IOCTL_GET_LAST_EVENT 0x102 385 #define TW_IOCTL_GET_FIRST_EVENT 0x103 386 #define TW_IOCTL_GET_NEXT_EVENT 0x104 387 #define TW_IOCTL_GET_PREVIOUS_EVENT 0x105 388 #define TW_IOCTL_GET_LOCK 0x106 389 #define TW_IOCTL_RELEASE_LOCK 0x107 390 #define TW_IOCTL_FIRMWARE_PASS_THROUGH 0x108 391 #define TW_IOCTL_ERROR_STATUS_NOT_LOCKED 0x1001 // Not locked 392 #define TW_IOCTL_ERROR_STATUS_LOCKED 0x1002 // Already locked 393 #define TW_IOCTL_ERROR_STATUS_NO_MORE_EVENTS 0x1003 // No more events 394 #define TW_IOCTL_ERROR_STATUS_AEN_CLOBBER 0x1004 // AEN clobber occurred 395 #define TW_IOCTL_ERROR_OS_EFAULT -EFAULT // Bad address 396 #define TW_IOCTL_ERROR_OS_EINTR -EINTR // Interrupted system call 397 #define TW_IOCTL_ERROR_OS_EINVAL -EINVAL // Invalid argument 398 #define TW_IOCTL_ERROR_OS_ENOMEM -ENOMEM // Out of memory 399 #define TW_IOCTL_ERROR_OS_ERESTARTSYS -ERESTARTSYS // Restart system call 400 #define TW_IOCTL_ERROR_OS_EIO -EIO // I/O error 401 #define TW_IOCTL_ERROR_OS_ENOTTY -ENOTTY // Not a typewriter 402 #define TW_IOCTL_ERROR_OS_ENODEV -ENODEV // No such device 403 #define TW_ALLOCATION_LENGTH 128 404 #define TW_SENSE_DATA_LENGTH 18 405 #define TW_STATUS_CHECK_CONDITION 2 406 #define TW_ERROR_LOGICAL_UNIT_NOT_SUPPORTED 0x10a 407 #define TW_ERROR_UNIT_OFFLINE 0x128 408 #define TW_MESSAGE_SOURCE_CONTROLLER_ERROR 3 409 #define TW_MESSAGE_SOURCE_CONTROLLER_EVENT 4 410 #define TW_MESSAGE_SOURCE_LINUX_DRIVER 6 411 #define TW_DRIVER TW_MESSAGE_SOURCE_LINUX_DRIVER 412 #define TW_MESSAGE_SOURCE_LINUX_OS 9 413 #define TW_OS TW_MESSAGE_SOURCE_LINUX_OS 414 #ifndef PCI_DEVICE_ID_3WARE_9000 415 #define PCI_DEVICE_ID_3WARE_9000 0x1002 416 #endif 417 #ifndef PCI_DEVICE_ID_3WARE_9550SX 418 #define PCI_DEVICE_ID_3WARE_9550SX 0x1003 419 #endif 420 421 /* Bitmask macros to eliminate bitfields */ 422 423 /* opcode: 5, reserved: 3 */ 424 #define TW_OPRES_IN(x,y) ((x << 5) | (y & 0x1f)) 425 #define TW_OP_OUT(x) (x & 0x1f) 426 427 /* opcode: 5, sgloffset: 3 */ 428 #define TW_OPSGL_IN(x,y) ((x << 5) | (y & 0x1f)) 429 #define TW_SGL_OUT(x) ((x >> 5) & 0x7) 430 431 /* severity: 3, reserved: 5 */ 432 #define TW_SEV_OUT(x) (x & 0x7) 433 434 /* reserved_1: 4, response_id: 8, reserved_2: 20 */ 435 #define TW_RESID_OUT(x) ((x >> 4) & 0xff) 436 437 /* request_id: 12, lun: 4 */ 438 #define TW_REQ_LUN_IN(lun, request_id) (((lun << 12) & 0xf000) | (request_id & 0xfff)) 439 #define TW_LUN_OUT(lun) ((lun >> 12) & 0xf) 440 441 /* Macros */ 442 #define TW_CONTROL_REG_ADDR(x) (x->base_addr) 443 #define TW_STATUS_REG_ADDR(x) ((unsigned char __iomem *)x->base_addr + 0x4) 444 #define TW_COMMAND_QUEUE_REG_ADDR(x) (sizeof(dma_addr_t) > 4 ? ((unsigned char __iomem *)x->base_addr + 0x20) : ((unsigned char __iomem *)x->base_addr + 0x8)) 445 #define TW_RESPONSE_QUEUE_REG_ADDR(x) ((unsigned char __iomem *)x->base_addr + 0xC) 446 #define TW_RESPONSE_QUEUE_REG_ADDR_LARGE(x) ((unsigned char __iomem *)x->base_addr + 0x30) 447 #define TW_CLEAR_ALL_INTERRUPTS(x) (writel(TW_STATUS_VALID_INTERRUPT, TW_CONTROL_REG_ADDR(x))) 448 #define TW_CLEAR_ATTENTION_INTERRUPT(x) (writel(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT, TW_CONTROL_REG_ADDR(x))) 449 #define TW_CLEAR_HOST_INTERRUPT(x) (writel(TW_CONTROL_CLEAR_HOST_INTERRUPT, TW_CONTROL_REG_ADDR(x))) 450 #define TW_DISABLE_INTERRUPTS(x) (writel(TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x))) 451 #define TW_ENABLE_AND_CLEAR_INTERRUPTS(x) (writel(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | TW_CONTROL_UNMASK_RESPONSE_INTERRUPT | TW_CONTROL_ENABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x))) 452 #define TW_MASK_COMMAND_INTERRUPT(x) (writel(TW_CONTROL_MASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x))) 453 #define TW_UNMASK_COMMAND_INTERRUPT(x) (writel(TW_CONTROL_UNMASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x))) 454 #define TW_SOFT_RESET(x) (writel(TW_CONTROL_ISSUE_SOFT_RESET | \ 455 TW_CONTROL_CLEAR_HOST_INTERRUPT | \ 456 TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | \ 457 TW_CONTROL_MASK_COMMAND_INTERRUPT | \ 458 TW_CONTROL_MASK_RESPONSE_INTERRUPT | \ 459 TW_CONTROL_CLEAR_ERROR_STATUS | \ 460 TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x))) 461 #define TW_PRINTK(h,a,b,c) { \ 462 if (h) \ 463 printk(KERN_WARNING "3w-9xxx: scsi%d: ERROR: (0x%02X:0x%04X): %s.\n",h->host_no,a,b,c); \ 464 else \ 465 printk(KERN_WARNING "3w-9xxx: ERROR: (0x%02X:0x%04X): %s.\n",a,b,c); \ 466 } 467 #define TW_MAX_LUNS(srl) (srl < TW_FW_SRL_LUNS_SUPPORTED ? 1 : 16) 468 #define TW_COMMAND_SIZE (sizeof(dma_addr_t) > 4 ? 5 : 4) 469 #define TW_APACHE_MAX_SGL_LENGTH (sizeof(dma_addr_t) > 4 ? 72 : 109) 470 #define TW_ESCALADE_MAX_SGL_LENGTH (sizeof(dma_addr_t) > 4 ? 41 : 62) 471 #define TW_PADDING_LENGTH (sizeof(dma_addr_t) > 4 ? 8 : 0) 472 #define TW_CPU_TO_SGL(x) (sizeof(dma_addr_t) > 4 ? cpu_to_le64(x) : cpu_to_le32(x)) 473 474 #pragma pack(1) 475 476 /* Scatter Gather List Entry */ 477 typedef struct TAG_TW_SG_Entry { 478 dma_addr_t address; 479 u32 length; 480 } TW_SG_Entry; 481 482 /* Command Packet */ 483 typedef struct TW_Command { 484 unsigned char opcode__sgloffset; 485 unsigned char size; 486 unsigned char request_id; 487 unsigned char unit__hostid; 488 /* Second DWORD */ 489 unsigned char status; 490 unsigned char flags; 491 union { 492 unsigned short block_count; 493 unsigned short parameter_count; 494 } byte6_offset; 495 union { 496 struct { 497 u32 lba; 498 TW_SG_Entry sgl[TW_ESCALADE_MAX_SGL_LENGTH]; 499 dma_addr_t padding; 500 } io; 501 struct { 502 TW_SG_Entry sgl[TW_ESCALADE_MAX_SGL_LENGTH]; 503 u32 padding; 504 dma_addr_t padding2; 505 } param; 506 } byte8_offset; 507 } TW_Command; 508 509 /* Command Packet for 9000+ controllers */ 510 typedef struct TAG_TW_Command_Apache { 511 unsigned char opcode__reserved; 512 unsigned char unit; 513 unsigned short request_id__lunl; 514 unsigned char status; 515 unsigned char sgl_offset; 516 unsigned short sgl_entries__lunh; 517 unsigned char cdb[16]; 518 TW_SG_Entry sg_list[TW_APACHE_MAX_SGL_LENGTH]; 519 unsigned char padding[TW_PADDING_LENGTH]; 520 } TW_Command_Apache; 521 522 /* New command packet header */ 523 typedef struct TAG_TW_Command_Apache_Header { 524 unsigned char sense_data[TW_SENSE_DATA_LENGTH]; 525 struct { 526 char reserved[4]; 527 unsigned short error; 528 unsigned char padding; 529 unsigned char severity__reserved; 530 } status_block; 531 unsigned char err_specific_desc[98]; 532 struct { 533 unsigned char size_header; 534 unsigned short reserved; 535 unsigned char size_sense; 536 } header_desc; 537 } TW_Command_Apache_Header; 538 539 /* This struct is a union of the 2 command packets */ 540 typedef struct TAG_TW_Command_Full { 541 TW_Command_Apache_Header header; 542 union { 543 TW_Command oldcommand; 544 TW_Command_Apache newcommand; 545 } command; 546 } TW_Command_Full; 547 548 /* Initconnection structure */ 549 typedef struct TAG_TW_Initconnect { 550 unsigned char opcode__reserved; 551 unsigned char size; 552 unsigned char request_id; 553 unsigned char res2; 554 unsigned char status; 555 unsigned char flags; 556 unsigned short message_credits; 557 u32 features; 558 unsigned short fw_srl; 559 unsigned short fw_arch_id; 560 unsigned short fw_branch; 561 unsigned short fw_build; 562 u32 result; 563 } TW_Initconnect; 564 565 /* Event info structure */ 566 typedef struct TAG_TW_Event 567 { 568 unsigned int sequence_id; 569 unsigned int time_stamp_sec; 570 unsigned short aen_code; 571 unsigned char severity; 572 unsigned char retrieved; 573 unsigned char repeat_count; 574 unsigned char parameter_len; 575 unsigned char parameter_data[98]; 576 } TW_Event; 577 578 typedef struct TAG_TW_Ioctl_Driver_Command { 579 unsigned int control_code; 580 unsigned int status; 581 unsigned int unique_id; 582 unsigned int sequence_id; 583 unsigned int os_specific; 584 unsigned int buffer_length; 585 } TW_Ioctl_Driver_Command; 586 587 typedef struct TAG_TW_Ioctl_Apache { 588 TW_Ioctl_Driver_Command driver_command; 589 char padding[488]; 590 TW_Command_Full firmware_command; 591 char data_buffer[1]; 592 } TW_Ioctl_Buf_Apache; 593 594 /* Lock structure for ioctl get/release lock */ 595 typedef struct TAG_TW_Lock { 596 unsigned long timeout_msec; 597 unsigned long time_remaining_msec; 598 unsigned long force_flag; 599 } TW_Lock; 600 601 /* GetParam descriptor */ 602 typedef struct { 603 unsigned short table_id; 604 unsigned short parameter_id; 605 unsigned short parameter_size_bytes; 606 unsigned short actual_parameter_size_bytes; 607 unsigned char data[1]; 608 } TW_Param_Apache, *PTW_Param_Apache; 609 610 /* Response queue */ 611 typedef union TAG_TW_Response_Queue { 612 u32 response_id; 613 u32 value; 614 } TW_Response_Queue; 615 616 /* Compatibility information structure */ 617 typedef struct TAG_TW_Compatibility_Info 618 { 619 char driver_version[32]; 620 unsigned short working_srl; 621 unsigned short working_branch; 622 unsigned short working_build; 623 unsigned short driver_srl_high; 624 unsigned short driver_branch_high; 625 unsigned short driver_build_high; 626 unsigned short driver_srl_low; 627 unsigned short driver_branch_low; 628 unsigned short driver_build_low; 629 } TW_Compatibility_Info; 630 631 #pragma pack() 632 633 typedef struct TAG_TW_Device_Extension { 634 u32 __iomem *base_addr; 635 unsigned long *generic_buffer_virt[TW_Q_LENGTH]; 636 dma_addr_t generic_buffer_phys[TW_Q_LENGTH]; 637 TW_Command_Full *command_packet_virt[TW_Q_LENGTH]; 638 dma_addr_t command_packet_phys[TW_Q_LENGTH]; 639 struct pci_dev *tw_pci_dev; 640 struct scsi_cmnd *srb[TW_Q_LENGTH]; 641 unsigned char free_queue[TW_Q_LENGTH]; 642 unsigned char free_head; 643 unsigned char free_tail; 644 unsigned char pending_queue[TW_Q_LENGTH]; 645 unsigned char pending_head; 646 unsigned char pending_tail; 647 int state[TW_Q_LENGTH]; 648 unsigned int posted_request_count; 649 unsigned int max_posted_request_count; 650 unsigned int pending_request_count; 651 unsigned int max_pending_request_count; 652 unsigned int max_sgl_entries; 653 unsigned int sgl_entries; 654 unsigned int num_resets; 655 unsigned int sector_count; 656 unsigned int max_sector_count; 657 unsigned int aen_count; 658 struct Scsi_Host *host; 659 long flags; 660 int reset_print; 661 TW_Event *event_queue[TW_Q_LENGTH]; 662 unsigned char error_index; 663 unsigned char event_queue_wrapped; 664 unsigned int error_sequence_id; 665 int ioctl_sem_lock; 666 u32 ioctl_msec; 667 int chrdev_request_id; 668 wait_queue_head_t ioctl_wqueue; 669 struct mutex ioctl_lock; 670 char aen_clobber; 671 unsigned short working_srl; 672 unsigned short working_branch; 673 unsigned short working_build; 674 } TW_Device_Extension; 675 676 #endif /* _3W_9XXX_H */ 677 678