/*
3 w - 9 xxx . h - - 3 ware 9000 Storage Controller device driver for Linux .
Written By : Adam Radford < aradford @ gmail . com >
Modifications By : Tom Couch
Copyright ( C ) 2004 - 2009 Applied Micro Circuits Corporation .
Copyright ( C ) 2010 LSI Corporation .
This program is free software ; you can redistribute it and / or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation ; version 2 of the License .
This program is distributed in the hope that it will be useful ,
but WITHOUT ANY WARRANTY ; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the
GNU General Public License for more details .
NO WARRANTY
THE PROGRAM IS PROVIDED ON AN " AS IS " BASIS , WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND , EITHER EXPRESS OR IMPLIED INCLUDING , WITHOUT
LIMITATION , ANY WARRANTIES OR CONDITIONS OF TITLE , NON - INFRINGEMENT ,
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE . Each Recipient is
solely responsible for determining the appropriateness of using and
distributing the Program and assumes all risks associated with its
exercise of rights under this Agreement , including but not limited to
the risks and costs of program errors , damage to or loss of data ,
programs or equipment , and unavailability or interruption of operations .
DISCLAIMER OF LIABILITY
NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
DIRECT , INDIRECT , INCIDENTAL , SPECIAL , EXEMPLARY , OR CONSEQUENTIAL
DAMAGES ( INCLUDING WITHOUT LIMITATION LOST PROFITS ) , HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY , WHETHER IN CONTRACT , STRICT LIABILITY , OR
TORT ( INCLUDING NEGLIGENCE OR OTHERWISE ) ARISING IN ANY WAY OUT OF THE
USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
HEREUNDER , EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
You should have received a copy of the GNU General Public License
along with this program ; if not , write to the Free Software
Foundation , Inc . , 59 Temple Place , Suite 330 , Boston , MA 02111 - 1307 USA
Bugs / Comments / Suggestions should be mailed to :
aradford @ gmail . com
*/
#ifndef _3 W_9XXX_H
#define _3 W_9XXX_H
/* AEN string type */
typedef struct TAG_twa_message_type {
unsigned int code;
char *text;
} twa_message_type;
/* AEN strings */
static twa_message_type twa_aen_table[] = {
{0 x0000, "AEN queue empty" },
{0 x0001, "Controller reset occurred" },
{0 x0002, "Degraded unit detected" },
{0 x0003, "Controller error occurred" },
{0 x0004, "Background rebuild failed" },
{0 x0005, "Background rebuild done" },
{0 x0006, "Incomplete unit detected" },
{0 x0007, "Background initialize done" },
{0 x0008, "Unclean shutdown detected" },
{0 x0009, "Drive timeout detected" },
{0 x000A, "Drive error detected" },
{0 x000B, "Rebuild started" },
{0 x000C, "Background initialize started" },
{0 x000D, "Entire logical unit was deleted" },
{0 x000E, "Background initialize failed" },
{0 x000F, "SMART attribute exceeded threshold" },
{0 x0010, "Power supply reported AC under range" },
{0 x0011, "Power supply reported DC out of range" },
{0 x0012, "Power supply reported a malfunction" },
{0 x0013, "Power supply predicted malfunction" },
{0 x0014, "Battery charge is below threshold" },
{0 x0015, "Fan speed is below threshold" },
{0 x0016, "Temperature sensor is above threshold" },
{0 x0017, "Power supply was removed" },
{0 x0018, "Power supply was inserted" },
{0 x0019, "Drive was removed from a bay" },
{0 x001A, "Drive was inserted into a bay" },
{0 x001B, "Drive bay cover door was opened" },
{0 x001C, "Drive bay cover door was closed" },
{0 x001D, "Product case was opened" },
{0 x0020, "Prepare for shutdown (power-off)" },
{0 x0021, "Downgrade UDMA mode to lower speed" },
{0 x0022, "Upgrade UDMA mode to higher speed" },
{0 x0023, "Sector repair completed" },
{0 x0024, "Sbuf memory test failed" },
{0 x0025, "Error flushing cached write data to array" },
{0 x0026, "Drive reported data ECC error" },
{0 x0027, "DCB has checksum error" },
{0 x0028, "DCB version is unsupported" },
{0 x0029, "Background verify started" },
{0 x002A, "Background verify failed" },
{0 x002B, "Background verify done" },
{0 x002C, "Bad sector overwritten during rebuild" },
{0 x002D, "Background rebuild error on source drive" },
{0 x002E, "Replace failed because replacement drive too small" },
{0 x002F, "Verify failed because array was never initialized" },
{0 x0030, "Unsupported ATA drive" },
{0 x0031, "Synchronize host/controller time" },
{0 x0032, "Spare capacity is inadequate for some units" },
{0 x0033, "Background migration started" },
{0 x0034, "Background migration failed" },
{0 x0035, "Background migration done" },
{0 x0036, "Verify detected and fixed data/parity mismatch" },
{0 x0037, "SO-DIMM incompatible" },
{0 x0038, "SO-DIMM not detected" },
{0 x0039, "Corrected Sbuf ECC error" },
{0 x003A, "Drive power on reset detected" },
{0 x003B, "Background rebuild paused" },
{0 x003C, "Background initialize paused" },
{0 x003D, "Background verify paused" },
{0 x003E, "Background migration paused" },
{0 x003F, "Corrupt flash file system detected" },
{0 x0040, "Flash file system repaired" },
{0 x0041, "Unit number assignments were lost" },
{0 x0042, "Error during read of primary DCB" },
{0 x0043, "Latent error found in backup DCB" },
{0 x00FC, "Recovered/finished array membership update" },
{0 x00FD, "Handler lockup" },
{0 x00FE, "Retrying PCI transfer" },
{0 x00FF, "AEN queue is full" },
{0 xFFFFFFFF, (char *) 0 }
};
/* AEN severity table */
static char *twa_aen_severity_table[] =
{
"None" , "ERROR" , "WARNING" , "INFO" , "DEBUG" , (char *) 0
};
/* Error strings */
static twa_message_type twa_error_table[] = {
{0 x0100, "SGL entry contains zero data" },
{0 x0101, "Invalid command opcode" },
{0 x0102, "SGL entry has unaligned address" },
{0 x0103, "SGL size does not match command" },
{0 x0104, "SGL entry has illegal length" },
{0 x0105, "Command packet is not aligned" },
{0 x0106, "Invalid request ID" },
{0 x0107, "Duplicate request ID" },
{0 x0108, "ID not locked" },
{0 x0109, "LBA out of range" },
{0 x010A, "Logical unit not supported" },
{0 x010B, "Parameter table does not exist" },
{0 x010C, "Parameter index does not exist" },
{0 x010D, "Invalid field in CDB" },
{0 x010E, "Specified port has invalid drive" },
{0 x010F, "Parameter item size mismatch" },
{0 x0110, "Failed memory allocation" },
{0 x0111, "Memory request too large" },
{0 x0112, "Out of memory segments" },
{0 x0113, "Invalid address to deallocate" },
{0 x0114, "Out of memory" },
{0 x0115, "Out of heap" },
{0 x0120, "Double degrade" },
{0 x0121, "Drive not degraded" },
{0 x0122, "Reconstruct error" },
{0 x0123, "Replace not accepted" },
{0 x0124, "Replace drive capacity too small" },
{0 x0125, "Sector count not allowed" },
{0 x0126, "No spares left" },
{0 x0127, "Reconstruct error" },
{0 x0128, "Unit is offline" },
{0 x0129, "Cannot update status to DCB" },
{0 x0130, "Invalid stripe handle" },
{0 x0131, "Handle that was not locked" },
{0 x0132, "Handle that was not empty" },
{0 x0133, "Handle has different owner" },
{0 x0140, "IPR has parent" },
{0 x0150, "Illegal Pbuf address alignment" },
{0 x0151, "Illegal Pbuf transfer length" },
{0 x0152, "Illegal Sbuf address alignment" },
{0 x0153, "Illegal Sbuf transfer length" },
{0 x0160, "Command packet too large" },
{0 x0161, "SGL exceeds maximum length" },
{0 x0162, "SGL has too many entries" },
{0 x0170, "Insufficient resources for rebuilder" },
{0 x0171, "Verify error (data != parity)" },
{0 x0180, "Requested segment not in directory of this DCB" },
{0 x0181, "DCB segment has unsupported version" },
{0 x0182, "DCB segment has checksum error" },
{0 x0183, "DCB support (settings) segment invalid" },
{0 x0184, "DCB UDB (unit descriptor block) segment invalid" },
{0 x0185, "DCB GUID (globally unique identifier) segment invalid" },
{0 x01A0, "Could not clear Sbuf" },
{0 x01C0, "Flash identify failed" },
{0 x01C1, "Flash out of bounds" },
{0 x01C2, "Flash verify error" },
{0 x01C3, "Flash file object not found" },
{0 x01C4, "Flash file already present" },
{0 x01C5, "Flash file system full" },
{0 x01C6, "Flash file not present" },
{0 x01C7, "Flash file size error" },
{0 x01C8, "Bad flash file checksum" },
{0 x01CA, "Corrupt flash file system detected" },
{0 x01D0, "Invalid field in parameter list" },
{0 x01D1, "Parameter list length error" },
{0 x01D2, "Parameter item is not changeable" },
{0 x01D3, "Parameter item is not saveable" },
{0 x0200, "UDMA CRC error" },
{0 x0201, "Internal CRC error" },
{0 x0202, "Data ECC error" },
{0 x0203, "ADP level 1 error" },
{0 x0204, "Port timeout" },
{0 x0205, "Drive power on reset" },
{0 x0206, "ADP level 2 error" },
{0 x0207, "Soft reset failed" },
{0 x0208, "Drive not ready" },
{0 x0209, "Unclassified port error" },
{0 x020A, "Drive aborted command" },
{0 x0210, "Internal CRC error" },
{0 x0211, "PCI abort error" },
{0 x0212, "PCI parity error" },
{0 x0213, "Port handler error" },
{0 x0214, "Token interrupt count error" },
{0 x0215, "Timeout waiting for PCI transfer" },
{0 x0216, "Corrected buffer ECC" },
{0 x0217, "Uncorrected buffer ECC" },
{0 x0230, "Unsupported command during flash recovery" },
{0 x0231, "Next image buffer expected" },
{0 x0232, "Binary image architecture incompatible" },
{0 x0233, "Binary image has no signature" },
{0 x0234, "Binary image has bad checksum" },
{0 x0235, "Image downloaded overflowed buffer" },
{0 x0240, "I2C device not found" },
{0 x0241, "I2C transaction aborted" },
{0 x0242, "SO-DIMM parameter(s) incompatible using defaults" },
{0 x0243, "SO-DIMM unsupported" },
{0 x0248, "SPI transfer status error" },
{0 x0249, "SPI transfer timeout error" },
{0 x0250, "Invalid unit descriptor size in CreateUnit" },
{0 x0251, "Unit descriptor size exceeds data buffer in CreateUnit" },
{0 x0252, "Invalid value in CreateUnit descriptor" },
{0 x0253, "Inadequate disk space to support descriptor in CreateUnit" },
{0 x0254, "Unable to create data channel for this unit descriptor" },
{0 x0255, "CreateUnit descriptor specifies a drive already in use" },
{0 x0256, "Unable to write configuration to all disks during CreateUnit" },
{0 x0257, "CreateUnit does not support this descriptor version" },
{0 x0258, "Invalid subunit for RAID 0 or 5 in CreateUnit" },
{0 x0259, "Too many descriptors in CreateUnit" },
{0 x025A, "Invalid configuration specified in CreateUnit descriptor" },
{0 x025B, "Invalid LBA offset specified in CreateUnit descriptor" },
{0 x025C, "Invalid stripelet size specified in CreateUnit descriptor" },
{0 x0260, "SMART attribute exceeded threshold" },
{0 xFFFFFFFF, (char *) 0 }
};
/* Control register bit definitions */
#define TW_CONTROL_CLEAR_HOST_INTERRUPT 0 x00080000
#define TW_CONTROL_CLEAR_ATTENTION_INTERRUPT 0 x00040000
#define TW_CONTROL_MASK_COMMAND_INTERRUPT 0 x00020000
#define TW_CONTROL_MASK_RESPONSE_INTERRUPT 0 x00010000
#define TW_CONTROL_UNMASK_COMMAND_INTERRUPT 0 x00008000
#define TW_CONTROL_UNMASK_RESPONSE_INTERRUPT 0 x00004000
#define TW_CONTROL_CLEAR_ERROR_STATUS 0 x00000200
#define TW_CONTROL_ISSUE_SOFT_RESET 0 x00000100
#define TW_CONTROL_ENABLE_INTERRUPTS 0 x00000080
#define TW_CONTROL_DISABLE_INTERRUPTS 0 x00000040
#define TW_CONTROL_ISSUE_HOST_INTERRUPT 0 x00000020
#define TW_CONTROL_CLEAR_PARITY_ERROR 0 x00800000
#define TW_CONTROL_CLEAR_QUEUE_ERROR 0 x00400000
#define TW_CONTROL_CLEAR_PCI_ABORT 0 x00100000
/* Status register bit definitions */
#define TW_STATUS_MAJOR_VERSION_MASK 0 xF0000000
#define TW_STATUS_MINOR_VERSION_MASK 0 x0F000000
#define TW_STATUS_PCI_PARITY_ERROR 0 x00800000
#define TW_STATUS_QUEUE_ERROR 0 x00400000
#define TW_STATUS_MICROCONTROLLER_ERROR 0 x00200000
#define TW_STATUS_PCI_ABORT 0 x00100000
#define TW_STATUS_HOST_INTERRUPT 0 x00080000
#define TW_STATUS_ATTENTION_INTERRUPT 0 x00040000
#define TW_STATUS_COMMAND_INTERRUPT 0 x00020000
#define TW_STATUS_RESPONSE_INTERRUPT 0 x00010000
#define TW_STATUS_COMMAND_QUEUE_FULL 0 x00008000
#define TW_STATUS_RESPONSE_QUEUE_EMPTY 0 x00004000
#define TW_STATUS_MICROCONTROLLER_READY 0 x00002000
#define TW_STATUS_COMMAND_QUEUE_EMPTY 0 x00001000
#define TW_STATUS_EXPECTED_BITS 0 x00002000
#define TW_STATUS_UNEXPECTED_BITS 0 x00F00000
#define TW_STATUS_VALID_INTERRUPT 0 x00DF0000
/* PCI related defines */
#define TW_PCI_CLEAR_PARITY_ERRORS 0 xc100
#define TW_PCI_CLEAR_PCI_ABORT 0 x2000
/* Command packet opcodes used by the driver */
#define TW_OP_INIT_CONNECTION 0 x1
#define TW_OP_GET_PARAM 0 x12
#define TW_OP_SET_PARAM 0 x13
#define TW_OP_EXECUTE_SCSI 0 x10
#define TW_OP_DOWNLOAD_FIRMWARE 0 x16
#define TW_OP_RESET 0 x1C
/* Asynchronous Event Notification (AEN) codes used by the driver */
#define TW_AEN_QUEUE_EMPTY 0 x0000
#define TW_AEN_SOFT_RESET 0 x0001
#define TW_AEN_SYNC_TIME_WITH_HOST 0 x031
#define TW_AEN_SEVERITY_ERROR 0 x1
#define TW_AEN_SEVERITY_DEBUG 0 x4
#define TW_AEN_NOT_RETRIEVED 0 x1
#define TW_AEN_RETRIEVED 0 x2
/* Command state defines */
#define TW_S_INITIAL 0 x1 /* Initial state */
#define TW_S_STARTED 0 x2 /* Id in use */
#define TW_S_POSTED 0 x4 /* Posted to the controller */
#define TW_S_PENDING 0 x8 /* Waiting to be posted in isr */
#define TW_S_COMPLETED 0 x10 /* Completed by isr */
#define TW_S_FINISHED 0 x20 /* I/O completely done */
/* Compatibility defines */
#define TW_9000_ARCH_ID 0 x5
#define TW_CURRENT_DRIVER_SRL 35
#define TW_CURRENT_DRIVER_BUILD 0
#define TW_CURRENT_DRIVER_BRANCH 0
/* Misc defines */
#define TW_9550SX_DRAIN_COMPLETED 0 xFFFF
#define TW_SECTOR_SIZE 512
#define TW_ALIGNMENT_9000 4 /* 4 bytes */
#define TW_ALIGNMENT_9000_SGL 0 x3
#define TW_MAX_UNITS 16
#define TW_MAX_UNITS_9650SE 32
#define TW_INIT_MESSAGE_CREDITS 0 x100
#define TW_INIT_COMMAND_PACKET_SIZE 0 x3
#define TW_INIT_COMMAND_PACKET_SIZE_EXTENDED 0 x6
#define TW_EXTENDED_INIT_CONNECT 0 x2
#define TW_BUNDLED_FW_SAFE_TO_FLASH 0 x4
#define TW_CTLR_FW_RECOMMENDS_FLASH 0 x8
#define TW_CTLR_FW_COMPATIBLE 0 x2
#define TW_BASE_FW_SRL 24
#define TW_BASE_FW_BRANCH 0
#define TW_BASE_FW_BUILD 1
#define TW_FW_SRL_LUNS_SUPPORTED 28
#define TW_Q_LENGTH 256
#define TW_Q_START 0
#define TW_MAX_SLOT 32
#define TW_MAX_RESET_TRIES 2
#define TW_MAX_CMDS_PER_LUN 254
#define TW_MAX_RESPONSE_DRAIN 256
#define TW_MAX_AEN_DRAIN 255
#define TW_IN_RESET 2
#define TW_USING_MSI 3
#define TW_IN_ATTENTION_LOOP 4
#define TW_MAX_SECTORS 256
#define TW_AEN_WAIT_TIME 1000
#define TW_IOCTL_WAIT_TIME (1 * HZ) /* 1 second */
#define TW_MAX_CDB_LEN 16
#define TW_ISR_DONT_COMPLETE 2
#define TW_ISR_DONT_RESULT 3
#define TW_IOCTL_CHRDEV_TIMEOUT 60 /* 60 seconds */
#define TW_IOCTL_CHRDEV_FREE -1
#define TW_COMMAND_OFFSET 128 /* 128 bytes */
#define TW_VERSION_TABLE 0 x0402
#define TW_TIMEKEEP_TABLE 0 x040A
#define TW_INFORMATION_TABLE 0 x0403
#define TW_PARAM_FWVER 3
#define TW_PARAM_FWVER_LENGTH 16
#define TW_PARAM_BIOSVER 4
#define TW_PARAM_BIOSVER_LENGTH 16
#define TW_PARAM_PORTCOUNT 3
#define TW_PARAM_PORTCOUNT_LENGTH 1
#define TW_MIN_SGL_LENGTH 0 x200 /* 512 bytes */
#define TW_MAX_SENSE_LENGTH 256
#define TW_EVENT_SOURCE_AEN 0 x1000
#define TW_EVENT_SOURCE_COMMAND 0 x1001
#define TW_EVENT_SOURCE_PCHIP 0 x1002
#define TW_EVENT_SOURCE_DRIVER 0 x1003
#define TW_IOCTL_GET_COMPATIBILITY_INFO 0 x101
#define TW_IOCTL_GET_LAST_EVENT 0 x102
#define TW_IOCTL_GET_FIRST_EVENT 0 x103
#define TW_IOCTL_GET_NEXT_EVENT 0 x104
#define TW_IOCTL_GET_PREVIOUS_EVENT 0 x105
#define TW_IOCTL_GET_LOCK 0 x106
#define TW_IOCTL_RELEASE_LOCK 0 x107
#define TW_IOCTL_FIRMWARE_PASS_THROUGH 0 x108
#define TW_IOCTL_ERROR_STATUS_NOT_LOCKED 0 x1001 // Not locked
#define TW_IOCTL_ERROR_STATUS_LOCKED 0 x1002 // Already locked
#define TW_IOCTL_ERROR_STATUS_NO_MORE_EVENTS 0 x1003 // No more events
#define TW_IOCTL_ERROR_STATUS_AEN_CLOBBER 0 x1004 // AEN clobber occurred
#define TW_IOCTL_ERROR_OS_EFAULT -EFAULT // Bad address
#define TW_IOCTL_ERROR_OS_EINTR -EINTR // Interrupted system call
#define TW_IOCTL_ERROR_OS_EINVAL -EINVAL // Invalid argument
#define TW_IOCTL_ERROR_OS_ENOMEM -ENOMEM // Out of memory
#define TW_IOCTL_ERROR_OS_ERESTARTSYS -ERESTARTSYS // Restart system call
#define TW_IOCTL_ERROR_OS_EIO -EIO // I/O error
#define TW_IOCTL_ERROR_OS_ENOTTY -ENOTTY // Not a typewriter
#define TW_IOCTL_ERROR_OS_ENODEV -ENODEV // No such device
#define TW_ALLOCATION_LENGTH 128
#define TW_SENSE_DATA_LENGTH 18
#define TW_STATUS_CHECK_CONDITION 2
#define TW_ERROR_LOGICAL_UNIT_NOT_SUPPORTED 0 x10a
#define TW_ERROR_UNIT_OFFLINE 0 x128
#define TW_MESSAGE_SOURCE_CONTROLLER_ERROR 3
#define TW_MESSAGE_SOURCE_CONTROLLER_EVENT 4
#define TW_MESSAGE_SOURCE_LINUX_DRIVER 6
#define TW_DRIVER TW_MESSAGE_SOURCE_LINUX_DRIVER
#define TW_MESSAGE_SOURCE_LINUX_OS 9
#define TW_OS TW_MESSAGE_SOURCE_LINUX_OS
#ifndef PCI_DEVICE_ID_3WARE_9000
#define PCI_DEVICE_ID_3WARE_9000 0 x1002
#endif
#ifndef PCI_DEVICE_ID_3WARE_9550SX
#define PCI_DEVICE_ID_3WARE_9550SX 0 x1003
#endif
#ifndef PCI_DEVICE_ID_3WARE_9650SE
#define PCI_DEVICE_ID_3WARE_9650SE 0 x1004
#endif
#ifndef PCI_DEVICE_ID_3WARE_9690SA
#define PCI_DEVICE_ID_3WARE_9690SA 0 x1005
#endif
/* Bitmask macros to eliminate bitfields */
/* opcode: 5, reserved: 3 */
#define TW_OPRES_IN(x,y) ((x << 5 ) | (y & 0 x1f))
#define TW_OP_OUT(x) (x & 0 x1f)
/* opcode: 5, sgloffset: 3 */
#define TW_OPSGL_IN(x,y) ((x << 5 ) | (y & 0 x1f))
#define TW_SGL_OUT(x) ((x >> 5 ) & 0 x7)
/* severity: 3, reserved: 5 */
#define TW_SEV_OUT(x) (x & 0 x7)
/* reserved_1: 4, response_id: 8, reserved_2: 20 */
#define TW_RESID_OUT(x) ((x >> 4 ) & 0 xff)
/* request_id: 12, lun: 4 */
#define TW_REQ_LUN_IN(lun, request_id) \
cpu_to_le16(((lun << 12 ) & 0 xf000) | (request_id & 0 xfff))
#define TW_LUN_OUT(lun) ((le16_to_cpu(lun) >> 12 ) & 0 xf)
/* Macros */
#define TW_CONTROL_REG_ADDR(x) (x->base_addr)
#define TW_STATUS_REG_ADDR(x) ((unsigned char __iomem *)x->base_addr + 0 x4)
#define TW_COMMAND_QUEUE_REG_ADDR(x) \
(sizeof (dma_addr_t) > 4 ? ((unsigned char __iomem *)x->base_addr + 0 x20) : ((unsigned char __iomem *)x->base_addr + 0 x8))
#define TW_COMMAND_QUEUE_REG_ADDR_LARGE(x) \
((unsigned char __iomem *)x->base_addr + 0 x20)
#define TW_RESPONSE_QUEUE_REG_ADDR(x) \
((unsigned char __iomem *)x->base_addr + 0 xC)
#define TW_RESPONSE_QUEUE_REG_ADDR_LARGE(x) \
((unsigned char __iomem *)x->base_addr + 0 x30)
#define TW_CLEAR_ALL_INTERRUPTS(x) \
(writel(TW_STATUS_VALID_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
#define TW_CLEAR_ATTENTION_INTERRUPT(x) \
(writel(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
#define TW_CLEAR_HOST_INTERRUPT(x) \
(writel(TW_CONTROL_CLEAR_HOST_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
#define TW_DISABLE_INTERRUPTS(x) \
(writel(TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
#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)))
#define TW_MASK_COMMAND_INTERRUPT(x) \
(writel(TW_CONTROL_MASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
#define TW_UNMASK_COMMAND_INTERRUPT(x) \
(writel(TW_CONTROL_UNMASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
#define TW_SOFT_RESET(x) (writel(TW_CONTROL_ISSUE_SOFT_RESET | \
TW_CONTROL_CLEAR_HOST_INTERRUPT | \
TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | \
TW_CONTROL_MASK_COMMAND_INTERRUPT | \
TW_CONTROL_MASK_RESPONSE_INTERRUPT | \
TW_CONTROL_CLEAR_ERROR_STATUS | \
TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
#define TW_PRINTK(h,a,b,c) { \
if (h) \
printk(KERN_WARNING "3w-9xxx: scsi%d: ERROR: (0x%02X:0x%04X): %s.\n" ,h->host_no,a,b,c); \
else \
printk(KERN_WARNING "3w-9xxx: ERROR: (0x%02X:0x%04X): %s.\n" ,a,b,c); \
}
#define TW_MAX_LUNS(srl) (srl < TW_FW_SRL_LUNS_SUPPORTED ? 1 : 16 )
#define TW_COMMAND_SIZE (sizeof (dma_addr_t) > 4 ? 5 : 4 )
#define TW_APACHE_MAX_SGL_LENGTH (sizeof (dma_addr_t) > 4 ? 72 : 109 )
#define TW_ESCALADE_MAX_SGL_LENGTH (sizeof (dma_addr_t) > 4 ? 41 : 62 )
#define TW_PADDING_LENGTH (sizeof (dma_addr_t) > 4 ? 8 : 0 )
#if IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT)
typedef __le64 twa_addr_t;
#define TW_CPU_TO_SGL(x) cpu_to_le64(x)
#else
typedef __le32 twa_addr_t;
#define TW_CPU_TO_SGL(x) cpu_to_le32(x)
#endif
/* Scatter Gather List Entry */
typedef struct TAG_TW_SG_Entry {
twa_addr_t address;
__le32 length;
} __packed TW_SG_Entry;
/* Command Packet */
typedef struct TW_Command {
u8 opcode__sgloffset;
u8 size;
u8 request_id;
u8 unit__hostid;
/* Second DWORD */
u8 status;
u8 flags;
union {
__le16 block_count;
__le16 parameter_count;
} byte6_offset;
union {
struct {
__le32 lba;
TW_SG_Entry sgl[TW_ESCALADE_MAX_SGL_LENGTH];
twa_addr_t padding;
} io;
struct {
TW_SG_Entry sgl[TW_ESCALADE_MAX_SGL_LENGTH];
__le32 padding;
twa_addr_t padding2;
} param;
} byte8_offset;
} TW_Command;
/* Command Packet for 9000+ controllers */
typedef struct TAG_TW_Command_Apache {
u8 opcode__reserved;
u8 unit;
__le16 request_id__lunl;
u8 status;
u8 sgl_offset;
__le16 sgl_entries__lunh;
u8 cdb[16 ];
TW_SG_Entry sg_list[TW_APACHE_MAX_SGL_LENGTH];
u8 padding[TW_PADDING_LENGTH];
} TW_Command_Apache;
/* New command packet header */
typedef struct TAG_TW_Command_Apache_Header {
unsigned char sense_data[TW_SENSE_DATA_LENGTH];
struct {
u8 reserved[4 ];
__le16 error;
u8 padding;
u8 severity__reserved;
} status_block;
unsigned char err_specific_desc[98 ];
struct {
u8 size_header;
u8 reserved[2 ];
u8 size_sense;
} header_desc;
} TW_Command_Apache_Header;
/* This struct is a union of the 2 command packets */
typedef struct TAG_TW_Command_Full {
TW_Command_Apache_Header header;
union {
TW_Command oldcommand;
TW_Command_Apache newcommand;
} command;
} TW_Command_Full;
/* Initconnection structure */
typedef struct TAG_TW_Initconnect {
u8 opcode__reserved;
u8 size;
u8 request_id;
u8 res2;
u8 status;
u8 flags;
__le16 message_credits;
__le32 features;
__le16 fw_srl;
__le16 fw_arch_id;
__le16 fw_branch;
__le16 fw_build;
__le32 result;
} TW_Initconnect;
/* Event info structure */
typedef struct TAG_TW_Event
{
unsigned int sequence_id;
unsigned int time_stamp_sec;
unsigned short aen_code;
unsigned char severity;
unsigned char retrieved;
unsigned char repeat_count;
unsigned char parameter_len;
unsigned char parameter_data[98 ];
} TW_Event;
typedef struct TAG_TW_Ioctl_Driver_Command {
unsigned int control_code;
unsigned int status;
unsigned int unique_id;
unsigned int sequence_id;
unsigned int os_specific;
unsigned int buffer_length;
} TW_Ioctl_Driver_Command;
typedef struct TAG_TW_Ioctl_Apache {
TW_Ioctl_Driver_Command driver_command;
char padding[488 ];
TW_Command_Full firmware_command;
char data_buffer[];
} TW_Ioctl_Buf_Apache;
/* Lock structure for ioctl get/release lock */
typedef struct TAG_TW_Lock {
unsigned long timeout_msec;
unsigned long time_remaining_msec;
unsigned long force_flag;
} TW_Lock;
/* GetParam descriptor */
typedef struct {
__le16 table_id;
__le16 parameter_id;
__le16 parameter_size_bytes;
__le16 actual_parameter_size_bytes;
u8 data[];
} TW_Param_Apache, *PTW_Param_Apache;
/* Response queue */
typedef union TAG_TW_Response_Queue {
u32 response_id;
u32 value;
} TW_Response_Queue;
/* Compatibility information structure */
typedef struct TAG_TW_Compatibility_Info
{
char driver_version[32 ];
unsigned short working_srl;
unsigned short working_branch;
unsigned short working_build;
unsigned short driver_srl_high;
unsigned short driver_branch_high;
unsigned short driver_build_high;
unsigned short driver_srl_low;
unsigned short driver_branch_low;
unsigned short driver_build_low;
unsigned short fw_on_ctlr_srl;
unsigned short fw_on_ctlr_branch;
unsigned short fw_on_ctlr_build;
} TW_Compatibility_Info;
typedef struct TAG_TW_Device_Extension {
u32 __iomem *base_addr;
unsigned long *generic_buffer_virt[TW_Q_LENGTH];
dma_addr_t generic_buffer_phys[TW_Q_LENGTH];
TW_Command_Full *command_packet_virt[TW_Q_LENGTH];
dma_addr_t command_packet_phys[TW_Q_LENGTH];
struct pci_dev *tw_pci_dev;
struct scsi_cmnd *srb[TW_Q_LENGTH];
unsigned char free_queue[TW_Q_LENGTH];
unsigned char free_head;
unsigned char free_tail;
unsigned char pending_queue[TW_Q_LENGTH];
unsigned char pending_head;
unsigned char pending_tail;
int state[TW_Q_LENGTH];
unsigned int posted_request_count;
unsigned int max_posted_request_count;
unsigned int pending_request_count;
unsigned int max_pending_request_count;
unsigned int max_sgl_entries;
unsigned int sgl_entries;
unsigned int num_resets;
unsigned int sector_count;
unsigned int max_sector_count;
unsigned int aen_count;
struct Scsi_Host *host;
long flags;
int reset_print;
TW_Event *event_queue[TW_Q_LENGTH];
unsigned char error_index;
unsigned char event_queue_wrapped;
unsigned int error_sequence_id;
int ioctl_sem_lock;
ktime_t ioctl_time;
int chrdev_request_id;
wait_queue_head_t ioctl_wqueue;
struct mutex ioctl_lock;
char aen_clobber;
TW_Compatibility_Info tw_compat_info;
} TW_Device_Extension;
#endif /* _3W_9XXX_H */
Messung V0.5 in Prozent C=92 H=100 G=95
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(vorverarbeitet am 2026-09-28)
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