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1/*2 3w-9xxx.h -- 3ware 9000 Storage Controller device driver for Linux.3 4 Written By: Adam Radford <aradford@gmail.com>5 Modifications By: Tom Couch6 7 Copyright (C) 2004-2009 Applied Micro Circuits Corporation.8 Copyright (C) 2010 LSI Corporation.9 10 This program is free software; you can redistribute it and/or modify11 it under the terms of the GNU General Public License as published by12 the Free Software Foundation; version 2 of the License.13 14 This program is distributed in the hope that it will be useful,15 but WITHOUT ANY WARRANTY; without even the implied warranty of16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the17 GNU General Public License for more details.18 19 NO WARRANTY20 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR21 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT22 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,23 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is24 solely responsible for determining the appropriateness of using and25 distributing the Program and assumes all risks associated with its26 exercise of rights under this Agreement, including but not limited to27 the risks and costs of program errors, damage to or loss of data,28 programs or equipment, and unavailability or interruption of operations.29 30 DISCLAIMER OF LIABILITY31 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY32 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL33 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND34 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR35 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE36 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED37 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES38 39 You should have received a copy of the GNU General Public License40 along with this program; if not, write to the Free Software41 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA42 43 Bugs/Comments/Suggestions should be mailed to:44 aradford@gmail.com45*/46 47#ifndef _3W_9XXX_H48#define _3W_9XXX_H49 50/* AEN string type */51typedef struct TAG_twa_message_type {52 unsigned int code;53 char *text;54} twa_message_type;55 56/* AEN strings */57static twa_message_type twa_aen_table[] = {58 {0x0000, "AEN queue empty"},59 {0x0001, "Controller reset occurred"},60 {0x0002, "Degraded unit detected"},61 {0x0003, "Controller error occurred"},62 {0x0004, "Background rebuild failed"},63 {0x0005, "Background rebuild done"},64 {0x0006, "Incomplete unit detected"},65 {0x0007, "Background initialize done"},66 {0x0008, "Unclean shutdown detected"},67 {0x0009, "Drive timeout detected"},68 {0x000A, "Drive error detected"},69 {0x000B, "Rebuild started"},70 {0x000C, "Background initialize started"},71 {0x000D, "Entire logical unit was deleted"},72 {0x000E, "Background initialize failed"},73 {0x000F, "SMART attribute exceeded threshold"},74 {0x0010, "Power supply reported AC under range"},75 {0x0011, "Power supply reported DC out of range"},76 {0x0012, "Power supply reported a malfunction"},77 {0x0013, "Power supply predicted malfunction"},78 {0x0014, "Battery charge is below threshold"},79 {0x0015, "Fan speed is below threshold"},80 {0x0016, "Temperature sensor is above threshold"},81 {0x0017, "Power supply was removed"},82 {0x0018, "Power supply was inserted"},83 {0x0019, "Drive was removed from a bay"},84 {0x001A, "Drive was inserted into a bay"},85 {0x001B, "Drive bay cover door was opened"},86 {0x001C, "Drive bay cover door was closed"},87 {0x001D, "Product case was opened"},88 {0x0020, "Prepare for shutdown (power-off)"},89 {0x0021, "Downgrade UDMA mode to lower speed"},90 {0x0022, "Upgrade UDMA mode to higher speed"},91 {0x0023, "Sector repair completed"},92 {0x0024, "Sbuf memory test failed"},93 {0x0025, "Error flushing cached write data to array"},94 {0x0026, "Drive reported data ECC error"},95 {0x0027, "DCB has checksum error"},96 {0x0028, "DCB version is unsupported"},97 {0x0029, "Background verify started"},98 {0x002A, "Background verify failed"},99 {0x002B, "Background verify done"},100 {0x002C, "Bad sector overwritten during rebuild"},101 {0x002D, "Background rebuild error on source drive"},102 {0x002E, "Replace failed because replacement drive too small"},103 {0x002F, "Verify failed because array was never initialized"},104 {0x0030, "Unsupported ATA drive"},105 {0x0031, "Synchronize host/controller time"},106 {0x0032, "Spare capacity is inadequate for some units"},107 {0x0033, "Background migration started"},108 {0x0034, "Background migration failed"},109 {0x0035, "Background migration done"},110 {0x0036, "Verify detected and fixed data/parity mismatch"},111 {0x0037, "SO-DIMM incompatible"},112 {0x0038, "SO-DIMM not detected"},113 {0x0039, "Corrected Sbuf ECC error"},114 {0x003A, "Drive power on reset detected"},115 {0x003B, "Background rebuild paused"},116 {0x003C, "Background initialize paused"},117 {0x003D, "Background verify paused"},118 {0x003E, "Background migration paused"},119 {0x003F, "Corrupt flash file system detected"},120 {0x0040, "Flash file system repaired"},121 {0x0041, "Unit number assignments were lost"},122 {0x0042, "Error during read of primary DCB"},123 {0x0043, "Latent error found in backup DCB"},124 {0x00FC, "Recovered/finished array membership update"},125 {0x00FD, "Handler lockup"},126 {0x00FE, "Retrying PCI transfer"},127 {0x00FF, "AEN queue is full"},128 {0xFFFFFFFF, (char*) 0}129};130 131/* AEN severity table */132static char *twa_aen_severity_table[] =133{134 "None", "ERROR", "WARNING", "INFO", "DEBUG", (char*) 0135};136 137/* Error strings */138static twa_message_type twa_error_table[] = {139 {0x0100, "SGL entry contains zero data"},140 {0x0101, "Invalid command opcode"},141 {0x0102, "SGL entry has unaligned address"},142 {0x0103, "SGL size does not match command"},143 {0x0104, "SGL entry has illegal length"},144 {0x0105, "Command packet is not aligned"},145 {0x0106, "Invalid request ID"},146 {0x0107, "Duplicate request ID"},147 {0x0108, "ID not locked"},148 {0x0109, "LBA out of range"},149 {0x010A, "Logical unit not supported"},150 {0x010B, "Parameter table does not exist"},151 {0x010C, "Parameter index does not exist"},152 {0x010D, "Invalid field in CDB"},153 {0x010E, "Specified port has invalid drive"},154 {0x010F, "Parameter item size mismatch"},155 {0x0110, "Failed memory allocation"},156 {0x0111, "Memory request too large"},157 {0x0112, "Out of memory segments"},158 {0x0113, "Invalid address to deallocate"},159 {0x0114, "Out of memory"},160 {0x0115, "Out of heap"},161 {0x0120, "Double degrade"},162 {0x0121, "Drive not degraded"},163 {0x0122, "Reconstruct error"},164 {0x0123, "Replace not accepted"},165 {0x0124, "Replace drive capacity too small"},166 {0x0125, "Sector count not allowed"},167 {0x0126, "No spares left"},168 {0x0127, "Reconstruct error"},169 {0x0128, "Unit is offline"},170 {0x0129, "Cannot update status to DCB"},171 {0x0130, "Invalid stripe handle"},172 {0x0131, "Handle that was not locked"},173 {0x0132, "Handle that was not empty"},174 {0x0133, "Handle has different owner"},175 {0x0140, "IPR has parent"},176 {0x0150, "Illegal Pbuf address alignment"},177 {0x0151, "Illegal Pbuf transfer length"},178 {0x0152, "Illegal Sbuf address alignment"},179 {0x0153, "Illegal Sbuf transfer length"},180 {0x0160, "Command packet too large"},181 {0x0161, "SGL exceeds maximum length"},182 {0x0162, "SGL has too many entries"},183 {0x0170, "Insufficient resources for rebuilder"},184 {0x0171, "Verify error (data != parity)"},185 {0x0180, "Requested segment not in directory of this DCB"},186 {0x0181, "DCB segment has unsupported version"},187 {0x0182, "DCB segment has checksum error"},188 {0x0183, "DCB support (settings) segment invalid"},189 {0x0184, "DCB UDB (unit descriptor block) segment invalid"},190 {0x0185, "DCB GUID (globally unique identifier) segment invalid"},191 {0x01A0, "Could not clear Sbuf"},192 {0x01C0, "Flash identify failed"},193 {0x01C1, "Flash out of bounds"},194 {0x01C2, "Flash verify error"},195 {0x01C3, "Flash file object not found"},196 {0x01C4, "Flash file already present"},197 {0x01C5, "Flash file system full"},198 {0x01C6, "Flash file not present"},199 {0x01C7, "Flash file size error"},200 {0x01C8, "Bad flash file checksum"},201 {0x01CA, "Corrupt flash file system detected"},202 {0x01D0, "Invalid field in parameter list"},203 {0x01D1, "Parameter list length error"},204 {0x01D2, "Parameter item is not changeable"},205 {0x01D3, "Parameter item is not saveable"},206 {0x0200, "UDMA CRC error"},207 {0x0201, "Internal CRC error"},208 {0x0202, "Data ECC error"},209 {0x0203, "ADP level 1 error"},210 {0x0204, "Port timeout"},211 {0x0205, "Drive power on reset"},212 {0x0206, "ADP level 2 error"},213 {0x0207, "Soft reset failed"},214 {0x0208, "Drive not ready"},215 {0x0209, "Unclassified port error"},216 {0x020A, "Drive aborted command"},217 {0x0210, "Internal CRC error"},218 {0x0211, "PCI abort error"},219 {0x0212, "PCI parity error"},220 {0x0213, "Port handler error"},221 {0x0214, "Token interrupt count error"},222 {0x0215, "Timeout waiting for PCI transfer"},223 {0x0216, "Corrected buffer ECC"},224 {0x0217, "Uncorrected buffer ECC"},225 {0x0230, "Unsupported command during flash recovery"},226 {0x0231, "Next image buffer expected"},227 {0x0232, "Binary image architecture incompatible"},228 {0x0233, "Binary image has no signature"},229 {0x0234, "Binary image has bad checksum"},230 {0x0235, "Image downloaded overflowed buffer"},231 {0x0240, "I2C device not found"},232 {0x0241, "I2C transaction aborted"},233 {0x0242, "SO-DIMM parameter(s) incompatible using defaults"},234 {0x0243, "SO-DIMM unsupported"},235 {0x0248, "SPI transfer status error"},236 {0x0249, "SPI transfer timeout error"},237 {0x0250, "Invalid unit descriptor size in CreateUnit"},238 {0x0251, "Unit descriptor size exceeds data buffer in CreateUnit"},239 {0x0252, "Invalid value in CreateUnit descriptor"},240 {0x0253, "Inadequate disk space to support descriptor in CreateUnit"},241 {0x0254, "Unable to create data channel for this unit descriptor"},242 {0x0255, "CreateUnit descriptor specifies a drive already in use"},243 {0x0256, "Unable to write configuration to all disks during CreateUnit"},244 {0x0257, "CreateUnit does not support this descriptor version"},245 {0x0258, "Invalid subunit for RAID 0 or 5 in CreateUnit"},246 {0x0259, "Too many descriptors in CreateUnit"},247 {0x025A, "Invalid configuration specified in CreateUnit descriptor"},248 {0x025B, "Invalid LBA offset specified in CreateUnit descriptor"},249 {0x025C, "Invalid stripelet size specified in CreateUnit descriptor"},250 {0x0260, "SMART attribute exceeded threshold"},251 {0xFFFFFFFF, (char*) 0}252};253 254/* Control register bit definitions */255#define TW_CONTROL_CLEAR_HOST_INTERRUPT 0x00080000256#define TW_CONTROL_CLEAR_ATTENTION_INTERRUPT 0x00040000257#define TW_CONTROL_MASK_COMMAND_INTERRUPT 0x00020000258#define TW_CONTROL_MASK_RESPONSE_INTERRUPT 0x00010000259#define TW_CONTROL_UNMASK_COMMAND_INTERRUPT 0x00008000260#define TW_CONTROL_UNMASK_RESPONSE_INTERRUPT 0x00004000261#define TW_CONTROL_CLEAR_ERROR_STATUS 0x00000200262#define TW_CONTROL_ISSUE_SOFT_RESET 0x00000100263#define TW_CONTROL_ENABLE_INTERRUPTS 0x00000080264#define TW_CONTROL_DISABLE_INTERRUPTS 0x00000040265#define TW_CONTROL_ISSUE_HOST_INTERRUPT 0x00000020266#define TW_CONTROL_CLEAR_PARITY_ERROR 0x00800000267#define TW_CONTROL_CLEAR_QUEUE_ERROR 0x00400000268#define TW_CONTROL_CLEAR_PCI_ABORT 0x00100000269 270/* Status register bit definitions */271#define TW_STATUS_MAJOR_VERSION_MASK 0xF0000000272#define TW_STATUS_MINOR_VERSION_MASK 0x0F000000273#define TW_STATUS_PCI_PARITY_ERROR 0x00800000274#define TW_STATUS_QUEUE_ERROR 0x00400000275#define TW_STATUS_MICROCONTROLLER_ERROR 0x00200000276#define TW_STATUS_PCI_ABORT 0x00100000277#define TW_STATUS_HOST_INTERRUPT 0x00080000278#define TW_STATUS_ATTENTION_INTERRUPT 0x00040000279#define TW_STATUS_COMMAND_INTERRUPT 0x00020000280#define TW_STATUS_RESPONSE_INTERRUPT 0x00010000281#define TW_STATUS_COMMAND_QUEUE_FULL 0x00008000282#define TW_STATUS_RESPONSE_QUEUE_EMPTY 0x00004000283#define TW_STATUS_MICROCONTROLLER_READY 0x00002000284#define TW_STATUS_COMMAND_QUEUE_EMPTY 0x00001000285#define TW_STATUS_EXPECTED_BITS 0x00002000286#define TW_STATUS_UNEXPECTED_BITS 0x00F00000287#define TW_STATUS_VALID_INTERRUPT 0x00DF0000288 289/* PCI related defines */290#define TW_PCI_CLEAR_PARITY_ERRORS 0xc100291#define TW_PCI_CLEAR_PCI_ABORT 0x2000292 293/* Command packet opcodes used by the driver */294#define TW_OP_INIT_CONNECTION 0x1295#define TW_OP_GET_PARAM 0x12296#define TW_OP_SET_PARAM 0x13297#define TW_OP_EXECUTE_SCSI 0x10298#define TW_OP_DOWNLOAD_FIRMWARE 0x16299#define TW_OP_RESET 0x1C300 301/* Asynchronous Event Notification (AEN) codes used by the driver */302#define TW_AEN_QUEUE_EMPTY 0x0000303#define TW_AEN_SOFT_RESET 0x0001304#define TW_AEN_SYNC_TIME_WITH_HOST 0x031305#define TW_AEN_SEVERITY_ERROR 0x1306#define TW_AEN_SEVERITY_DEBUG 0x4307#define TW_AEN_NOT_RETRIEVED 0x1308#define TW_AEN_RETRIEVED 0x2309 310/* Command state defines */311#define TW_S_INITIAL 0x1 /* Initial state */312#define TW_S_STARTED 0x2 /* Id in use */313#define TW_S_POSTED 0x4 /* Posted to the controller */314#define TW_S_PENDING 0x8 /* Waiting to be posted in isr */315#define TW_S_COMPLETED 0x10 /* Completed by isr */316#define TW_S_FINISHED 0x20 /* I/O completely done */317 318/* Compatibility defines */319#define TW_9000_ARCH_ID 0x5320#define TW_CURRENT_DRIVER_SRL 35321#define TW_CURRENT_DRIVER_BUILD 0322#define TW_CURRENT_DRIVER_BRANCH 0323 324/* Misc defines */325#define TW_9550SX_DRAIN_COMPLETED 0xFFFF326#define TW_SECTOR_SIZE 512327#define TW_ALIGNMENT_9000 4 /* 4 bytes */328#define TW_ALIGNMENT_9000_SGL 0x3329#define TW_MAX_UNITS 16330#define TW_MAX_UNITS_9650SE 32331#define TW_INIT_MESSAGE_CREDITS 0x100332#define TW_INIT_COMMAND_PACKET_SIZE 0x3333#define TW_INIT_COMMAND_PACKET_SIZE_EXTENDED 0x6334#define TW_EXTENDED_INIT_CONNECT 0x2335#define TW_BUNDLED_FW_SAFE_TO_FLASH 0x4336#define TW_CTLR_FW_RECOMMENDS_FLASH 0x8337#define TW_CTLR_FW_COMPATIBLE 0x2338#define TW_BASE_FW_SRL 24339#define TW_BASE_FW_BRANCH 0340#define TW_BASE_FW_BUILD 1341#define TW_FW_SRL_LUNS_SUPPORTED 28342#define TW_Q_LENGTH 256343#define TW_Q_START 0344#define TW_MAX_SLOT 32345#define TW_MAX_RESET_TRIES 2346#define TW_MAX_CMDS_PER_LUN 254347#define TW_MAX_RESPONSE_DRAIN 256348#define TW_MAX_AEN_DRAIN 255349#define TW_IN_RESET 2350#define TW_USING_MSI 3351#define TW_IN_ATTENTION_LOOP 4352#define TW_MAX_SECTORS 256353#define TW_AEN_WAIT_TIME 1000354#define TW_IOCTL_WAIT_TIME (1 * HZ) /* 1 second */355#define TW_MAX_CDB_LEN 16356#define TW_ISR_DONT_COMPLETE 2357#define TW_ISR_DONT_RESULT 3358#define TW_IOCTL_CHRDEV_TIMEOUT 60 /* 60 seconds */359#define TW_IOCTL_CHRDEV_FREE -1360#define TW_COMMAND_OFFSET 128 /* 128 bytes */361#define TW_VERSION_TABLE 0x0402362#define TW_TIMEKEEP_TABLE 0x040A363#define TW_INFORMATION_TABLE 0x0403364#define TW_PARAM_FWVER 3365#define TW_PARAM_FWVER_LENGTH 16366#define TW_PARAM_BIOSVER 4367#define TW_PARAM_BIOSVER_LENGTH 16368#define TW_PARAM_PORTCOUNT 3369#define TW_PARAM_PORTCOUNT_LENGTH 1370#define TW_MIN_SGL_LENGTH 0x200 /* 512 bytes */371#define TW_MAX_SENSE_LENGTH 256372#define TW_EVENT_SOURCE_AEN 0x1000373#define TW_EVENT_SOURCE_COMMAND 0x1001374#define TW_EVENT_SOURCE_PCHIP 0x1002375#define TW_EVENT_SOURCE_DRIVER 0x1003376#define TW_IOCTL_GET_COMPATIBILITY_INFO 0x101377#define TW_IOCTL_GET_LAST_EVENT 0x102378#define TW_IOCTL_GET_FIRST_EVENT 0x103379#define TW_IOCTL_GET_NEXT_EVENT 0x104380#define TW_IOCTL_GET_PREVIOUS_EVENT 0x105381#define TW_IOCTL_GET_LOCK 0x106382#define TW_IOCTL_RELEASE_LOCK 0x107383#define TW_IOCTL_FIRMWARE_PASS_THROUGH 0x108384#define TW_IOCTL_ERROR_STATUS_NOT_LOCKED 0x1001 // Not locked385#define TW_IOCTL_ERROR_STATUS_LOCKED 0x1002 // Already locked386#define TW_IOCTL_ERROR_STATUS_NO_MORE_EVENTS 0x1003 // No more events387#define TW_IOCTL_ERROR_STATUS_AEN_CLOBBER 0x1004 // AEN clobber occurred388#define TW_IOCTL_ERROR_OS_EFAULT -EFAULT // Bad address389#define TW_IOCTL_ERROR_OS_EINTR -EINTR // Interrupted system call390#define TW_IOCTL_ERROR_OS_EINVAL -EINVAL // Invalid argument391#define TW_IOCTL_ERROR_OS_ENOMEM -ENOMEM // Out of memory392#define TW_IOCTL_ERROR_OS_ERESTARTSYS -ERESTARTSYS // Restart system call393#define TW_IOCTL_ERROR_OS_EIO -EIO // I/O error394#define TW_IOCTL_ERROR_OS_ENOTTY -ENOTTY // Not a typewriter395#define TW_IOCTL_ERROR_OS_ENODEV -ENODEV // No such device396#define TW_ALLOCATION_LENGTH 128397#define TW_SENSE_DATA_LENGTH 18398#define TW_STATUS_CHECK_CONDITION 2399#define TW_ERROR_LOGICAL_UNIT_NOT_SUPPORTED 0x10a400#define TW_ERROR_UNIT_OFFLINE 0x128401#define TW_MESSAGE_SOURCE_CONTROLLER_ERROR 3402#define TW_MESSAGE_SOURCE_CONTROLLER_EVENT 4403#define TW_MESSAGE_SOURCE_LINUX_DRIVER 6404#define TW_DRIVER TW_MESSAGE_SOURCE_LINUX_DRIVER405#define TW_MESSAGE_SOURCE_LINUX_OS 9406#define TW_OS TW_MESSAGE_SOURCE_LINUX_OS407#ifndef PCI_DEVICE_ID_3WARE_9000408#define PCI_DEVICE_ID_3WARE_9000 0x1002409#endif410#ifndef PCI_DEVICE_ID_3WARE_9550SX411#define PCI_DEVICE_ID_3WARE_9550SX 0x1003412#endif413#ifndef PCI_DEVICE_ID_3WARE_9650SE414#define PCI_DEVICE_ID_3WARE_9650SE 0x1004415#endif416#ifndef PCI_DEVICE_ID_3WARE_9690SA417#define PCI_DEVICE_ID_3WARE_9690SA 0x1005418#endif419 420/* Bitmask macros to eliminate bitfields */421 422/* opcode: 5, reserved: 3 */423#define TW_OPRES_IN(x,y) ((x << 5) | (y & 0x1f))424#define TW_OP_OUT(x) (x & 0x1f)425 426/* opcode: 5, sgloffset: 3 */427#define TW_OPSGL_IN(x,y) ((x << 5) | (y & 0x1f))428#define TW_SGL_OUT(x) ((x >> 5) & 0x7)429 430/* severity: 3, reserved: 5 */431#define TW_SEV_OUT(x) (x & 0x7)432 433/* reserved_1: 4, response_id: 8, reserved_2: 20 */434#define TW_RESID_OUT(x) ((x >> 4) & 0xff)435 436/* request_id: 12, lun: 4 */437#define TW_REQ_LUN_IN(lun, request_id) \438 cpu_to_le16(((lun << 12) & 0xf000) | (request_id & 0xfff))439#define TW_LUN_OUT(lun) ((le16_to_cpu(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) \445 (sizeof(dma_addr_t) > 4 ? ((unsigned char __iomem *)x->base_addr + 0x20) : ((unsigned char __iomem *)x->base_addr + 0x8))446#define TW_COMMAND_QUEUE_REG_ADDR_LARGE(x) \447 ((unsigned char __iomem *)x->base_addr + 0x20)448#define TW_RESPONSE_QUEUE_REG_ADDR(x) \449 ((unsigned char __iomem *)x->base_addr + 0xC)450#define TW_RESPONSE_QUEUE_REG_ADDR_LARGE(x) \451 ((unsigned char __iomem *)x->base_addr + 0x30)452#define TW_CLEAR_ALL_INTERRUPTS(x) \453 (writel(TW_STATUS_VALID_INTERRUPT, TW_CONTROL_REG_ADDR(x)))454#define TW_CLEAR_ATTENTION_INTERRUPT(x) \455 (writel(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT, TW_CONTROL_REG_ADDR(x)))456#define TW_CLEAR_HOST_INTERRUPT(x) \457 (writel(TW_CONTROL_CLEAR_HOST_INTERRUPT, TW_CONTROL_REG_ADDR(x)))458#define TW_DISABLE_INTERRUPTS(x) \459 (writel(TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))460#define TW_ENABLE_AND_CLEAR_INTERRUPTS(x) \461 (writel(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | \462 TW_CONTROL_UNMASK_RESPONSE_INTERRUPT | \463 TW_CONTROL_ENABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))464#define TW_MASK_COMMAND_INTERRUPT(x) \465 (writel(TW_CONTROL_MASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))466#define TW_UNMASK_COMMAND_INTERRUPT(x) \467 (writel(TW_CONTROL_UNMASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))468#define TW_SOFT_RESET(x) (writel(TW_CONTROL_ISSUE_SOFT_RESET | \469 TW_CONTROL_CLEAR_HOST_INTERRUPT | \470 TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | \471 TW_CONTROL_MASK_COMMAND_INTERRUPT | \472 TW_CONTROL_MASK_RESPONSE_INTERRUPT | \473 TW_CONTROL_CLEAR_ERROR_STATUS | \474 TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))475#define TW_PRINTK(h,a,b,c) { \476if (h) \477printk(KERN_WARNING "3w-9xxx: scsi%d: ERROR: (0x%02X:0x%04X): %s.\n",h->host_no,a,b,c); \478else \479printk(KERN_WARNING "3w-9xxx: ERROR: (0x%02X:0x%04X): %s.\n",a,b,c); \480}481#define TW_MAX_LUNS(srl) (srl < TW_FW_SRL_LUNS_SUPPORTED ? 1 : 16)482#define TW_COMMAND_SIZE (sizeof(dma_addr_t) > 4 ? 5 : 4)483#define TW_APACHE_MAX_SGL_LENGTH (sizeof(dma_addr_t) > 4 ? 72 : 109)484#define TW_ESCALADE_MAX_SGL_LENGTH (sizeof(dma_addr_t) > 4 ? 41 : 62)485#define TW_PADDING_LENGTH (sizeof(dma_addr_t) > 4 ? 8 : 0)486 487#if IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT)488typedef __le64 twa_addr_t;489#define TW_CPU_TO_SGL(x) cpu_to_le64(x)490#else491typedef __le32 twa_addr_t;492#define TW_CPU_TO_SGL(x) cpu_to_le32(x)493#endif494 495/* Scatter Gather List Entry */496typedef struct TAG_TW_SG_Entry {497 twa_addr_t address;498 __le32 length;499} __packed TW_SG_Entry;500 501/* Command Packet */502typedef struct TW_Command {503 u8 opcode__sgloffset;504 u8 size;505 u8 request_id;506 u8 unit__hostid;507 /* Second DWORD */508 u8 status;509 u8 flags;510 union {511 __le16 block_count;512 __le16 parameter_count;513 } byte6_offset;514 union {515 struct {516 __le32 lba;517 TW_SG_Entry sgl[TW_ESCALADE_MAX_SGL_LENGTH];518 twa_addr_t padding;519 } io;520 struct {521 TW_SG_Entry sgl[TW_ESCALADE_MAX_SGL_LENGTH];522 __le32 padding;523 twa_addr_t padding2;524 } param;525 } byte8_offset;526} TW_Command;527 528/* Command Packet for 9000+ controllers */529typedef struct TAG_TW_Command_Apache {530 u8 opcode__reserved;531 u8 unit;532 __le16 request_id__lunl;533 u8 status;534 u8 sgl_offset;535 __le16 sgl_entries__lunh;536 u8 cdb[16];537 TW_SG_Entry sg_list[TW_APACHE_MAX_SGL_LENGTH];538 u8 padding[TW_PADDING_LENGTH];539} TW_Command_Apache;540 541/* New command packet header */542typedef struct TAG_TW_Command_Apache_Header {543 unsigned char sense_data[TW_SENSE_DATA_LENGTH];544 struct {545 u8 reserved[4];546 __le16 error;547 u8 padding;548 u8 severity__reserved;549 } status_block;550 unsigned char err_specific_desc[98];551 struct {552 u8 size_header;553 u8 reserved[2];554 u8 size_sense;555 } header_desc;556} TW_Command_Apache_Header;557 558/* This struct is a union of the 2 command packets */559typedef struct TAG_TW_Command_Full {560 TW_Command_Apache_Header header;561 union {562 TW_Command oldcommand;563 TW_Command_Apache newcommand;564 } command;565} TW_Command_Full;566 567/* Initconnection structure */568typedef struct TAG_TW_Initconnect {569 u8 opcode__reserved;570 u8 size;571 u8 request_id;572 u8 res2;573 u8 status;574 u8 flags;575 __le16 message_credits;576 __le32 features;577 __le16 fw_srl;578 __le16 fw_arch_id;579 __le16 fw_branch;580 __le16 fw_build;581 __le32 result;582} TW_Initconnect;583 584/* Event info structure */585typedef struct TAG_TW_Event586{587 unsigned int sequence_id;588 unsigned int time_stamp_sec;589 unsigned short aen_code;590 unsigned char severity;591 unsigned char retrieved;592 unsigned char repeat_count;593 unsigned char parameter_len;594 unsigned char parameter_data[98];595} TW_Event;596 597typedef struct TAG_TW_Ioctl_Driver_Command {598 unsigned int control_code;599 unsigned int status;600 unsigned int unique_id;601 unsigned int sequence_id;602 unsigned int os_specific;603 unsigned int buffer_length;604} TW_Ioctl_Driver_Command;605 606typedef struct TAG_TW_Ioctl_Apache {607 TW_Ioctl_Driver_Command driver_command;608 char padding[488];609 TW_Command_Full firmware_command;610 char data_buffer[];611} TW_Ioctl_Buf_Apache;612 613/* Lock structure for ioctl get/release lock */614typedef struct TAG_TW_Lock {615 unsigned long timeout_msec;616 unsigned long time_remaining_msec;617 unsigned long force_flag;618} TW_Lock;619 620/* GetParam descriptor */621typedef struct {622 __le16 table_id;623 __le16 parameter_id;624 __le16 parameter_size_bytes;625 __le16 actual_parameter_size_bytes;626 u8 data[];627} TW_Param_Apache, *PTW_Param_Apache;628 629/* Response queue */630typedef union TAG_TW_Response_Queue {631 u32 response_id;632 u32 value;633} TW_Response_Queue;634 635/* Compatibility information structure */636typedef struct TAG_TW_Compatibility_Info637{638 char driver_version[32];639 unsigned short working_srl;640 unsigned short working_branch;641 unsigned short working_build;642 unsigned short driver_srl_high;643 unsigned short driver_branch_high;644 unsigned short driver_build_high;645 unsigned short driver_srl_low;646 unsigned short driver_branch_low;647 unsigned short driver_build_low;648 unsigned short fw_on_ctlr_srl;649 unsigned short fw_on_ctlr_branch;650 unsigned short fw_on_ctlr_build;651} TW_Compatibility_Info;652 653typedef struct TAG_TW_Device_Extension {654 u32 __iomem *base_addr;655 unsigned long *generic_buffer_virt[TW_Q_LENGTH];656 dma_addr_t generic_buffer_phys[TW_Q_LENGTH];657 TW_Command_Full *command_packet_virt[TW_Q_LENGTH];658 dma_addr_t command_packet_phys[TW_Q_LENGTH];659 struct pci_dev *tw_pci_dev;660 struct scsi_cmnd *srb[TW_Q_LENGTH];661 unsigned char free_queue[TW_Q_LENGTH];662 unsigned char free_head;663 unsigned char free_tail;664 unsigned char pending_queue[TW_Q_LENGTH];665 unsigned char pending_head;666 unsigned char pending_tail;667 int state[TW_Q_LENGTH];668 unsigned int posted_request_count;669 unsigned int max_posted_request_count;670 unsigned int pending_request_count;671 unsigned int max_pending_request_count;672 unsigned int max_sgl_entries;673 unsigned int sgl_entries;674 unsigned int num_resets;675 unsigned int sector_count;676 unsigned int max_sector_count;677 unsigned int aen_count;678 struct Scsi_Host *host;679 long flags;680 int reset_print;681 TW_Event *event_queue[TW_Q_LENGTH];682 unsigned char error_index;683 unsigned char event_queue_wrapped;684 unsigned int error_sequence_id;685 int ioctl_sem_lock;686 ktime_t ioctl_time;687 int chrdev_request_id;688 wait_queue_head_t ioctl_wqueue;689 struct mutex ioctl_lock;690 char aen_clobber;691 TW_Compatibility_Info tw_compat_info;692} TW_Device_Extension;693 694#endif /* _3W_9XXX_H */695 696