/*
3 w - xxxx . h - - 3 ware Storage Controller device driver for Linux .
Written By : Adam Radford < aradford @ gmail . com >
Modifications By : Joel Jacobson < linux @ 3 ware . com >
Arnaldo Carvalho de Melo < acme @ conectiva . com . br >
Brad Strand < linux @ 3 ware . com >
Copyright ( C ) 1999 - 2010 3 ware Inc .
Kernel compatibility By : Andre Hedrick < andre @ suse . com >
Non - Copyright ( C ) 2000 Andre Hedrick < andre @ suse . com >
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
For more information , goto :
http : //www.lsi.com
*/
#ifndef _3 W_XXXX_H
#define _3 W_XXXX_H
#include <linux/types.h>
/* AEN strings */
static char *tw_aen_string[] = {
[0 x000] = "INFO: AEN queue empty" ,
[0 x001] = "INFO: Soft reset occurred" ,
[0 x002] = "ERROR: Unit degraded: Unit #" ,
[0 x003] = "ERROR: Controller error" ,
[0 x004] = "ERROR: Rebuild failed: Unit #" ,
[0 x005] = "INFO: Rebuild complete: Unit #" ,
[0 x006] = "ERROR: Incomplete unit detected: Unit #" ,
[0 x007] = "INFO: Initialization complete: Unit #" ,
[0 x008] = "WARNING: Unclean shutdown detected: Unit #" ,
[0 x009] = "WARNING: ATA port timeout: Port #" ,
[0 x00A] = "ERROR: Drive error: Port #" ,
[0 x00B] = "INFO: Rebuild started: Unit #" ,
[0 x00C] = "INFO: Initialization started: Unit #" ,
[0 x00D] = "ERROR: Logical unit deleted: Unit #" ,
[0 x00F] = "WARNING: SMART threshold exceeded: Port #" ,
[0 x021] = "WARNING: ATA UDMA downgrade: Port #" ,
[0 x022] = "WARNING: ATA UDMA upgrade: Port #" ,
[0 x023] = "WARNING: Sector repair occurred: Port #" ,
[0 x024] = "ERROR: SBUF integrity check failure" ,
[0 x025] = "ERROR: Lost cached write: Port #" ,
[0 x026] = "ERROR: Drive ECC error detected: Port #" ,
[0 x027] = "ERROR: DCB checksum error: Port #" ,
[0 x028] = "ERROR: DCB unsupported version: Port #" ,
[0 x029] = "INFO: Verify started: Unit #" ,
[0 x02A] = "ERROR: Verify failed: Port #" ,
[0 x02B] = "INFO: Verify complete: Unit #" ,
[0 x02C] = "WARNING: Overwrote bad sector during rebuild: Port #" ,
[0 x02D] = "ERROR: Encountered bad sector during rebuild: Port #" ,
[0 x02E] = "ERROR: Replacement drive is too small: Port #" ,
[0 x02F] = "WARNING: Verify error: Unit not previously initialized: Unit #" ,
[0 x030] = "ERROR: Drive not supported: Port #"
};
/*
Sense key lookup table
Format : ESDC / flags , SenseKey , AdditionalSenseCode , AdditionalSenseCodeQualifier
*/
static unsigned char tw_sense_table[][4 ] =
{
/* Codes for newer firmware */
// ATA Error SCSI Error
{0 x01, 0 x03, 0 x13, 0 x00}, // Address mark not found Address mark not found for data field
{0 x04, 0 x0b, 0 x00, 0 x00}, // Aborted command Aborted command
{0 x10, 0 x0b, 0 x14, 0 x00}, // ID not found Recorded entity not found
{0 x40, 0 x03, 0 x11, 0 x00}, // Uncorrectable ECC error Unrecovered read error
{0 x61, 0 x04, 0 x00, 0 x00}, // Device fault Hardware error
{0 x84, 0 x0b, 0 x47, 0 x00}, // Data CRC error SCSI parity error
{0 xd0, 0 x0b, 0 x00, 0 x00}, // Device busy Aborted command
{0 xd1, 0 x0b, 0 x00, 0 x00}, // Device busy Aborted command
{0 x37, 0 x02, 0 x04, 0 x00}, // Unit offline Not ready
{0 x09, 0 x02, 0 x04, 0 x00}, // Unrecovered disk error Not ready
/* Codes for older firmware */
// 3ware Error SCSI Error
{0 x51, 0 x0b, 0 x00, 0 x00} // Unspecified Aborted command
};
/* 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
#define TW_CONTROL_CLEAR_SBUF_WRITE_ERROR 0 x00000008
/* 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_ALL_INTERRUPTS 0 x000F0000
#define TW_STATUS_CLEARABLE_BITS 0 x00D00000
#define TW_STATUS_EXPECTED_BITS 0 x00002000
#define TW_STATUS_UNEXPECTED_BITS 0 x00F00008
#define TW_STATUS_SBUF_WRITE_ERROR 0 x00000008
#define TW_STATUS_VALID_INTERRUPT 0 x00DF0008
/* RESPONSE QUEUE BIT DEFINITIONS */
#define TW_RESPONSE_ID_MASK 0 x00000FF0
/* PCI related defines */
#define TW_IO_ADDRESS_RANGE 0 x10
#define TW_DEVICE_NAME "3ware Storage Controller"
#define TW_VENDOR_ID (0 x13C1) /* 3ware */
#define TW_DEVICE_ID (0 x1000) /* Storage Controller */
#define TW_DEVICE_ID2 (0 x1001) /* 7000 series controller */
#define TW_NUMDEVICES 2
#define TW_PCI_CLEAR_PARITY_ERRORS 0 xc100
#define TW_PCI_CLEAR_PCI_ABORT 0 x2000
/* Command packet opcodes */
#define TW_OP_NOP 0 x0
#define TW_OP_INIT_CONNECTION 0 x1
#define TW_OP_READ 0 x2
#define TW_OP_WRITE 0 x3
#define TW_OP_VERIFY 0 x4
#define TW_OP_GET_PARAM 0 x12
#define TW_OP_SET_PARAM 0 x13
#define TW_OP_SECTOR_INFO 0 x1a
#define TW_OP_AEN_LISTEN 0 x1c
#define TW_OP_FLUSH_CACHE 0 x0e
#define TW_CMD_PACKET 0 x1d
#define TW_CMD_PACKET_WITH_DATA 0 x1f
/* Asynchronous Event Notification (AEN) Codes */
#define TW_AEN_QUEUE_EMPTY 0 x0000
#define TW_AEN_SOFT_RESET 0 x0001
#define TW_AEN_DEGRADED_MIRROR 0 x0002
#define TW_AEN_CONTROLLER_ERROR 0 x0003
#define TW_AEN_REBUILD_FAIL 0 x0004
#define TW_AEN_REBUILD_DONE 0 x0005
#define TW_AEN_QUEUE_FULL 0 x00ff
#define TW_AEN_TABLE_UNDEFINED 0 x15
#define TW_AEN_APORT_TIMEOUT 0 x0009
#define TW_AEN_DRIVE_ERROR 0 x000A
#define TW_AEN_SMART_FAIL 0 x000F
#define TW_AEN_SBUF_FAIL 0 x0024
/* Misc defines */
#define TW_ALIGNMENT_6000 64 /* 64 bytes */
#define TW_ALIGNMENT_7000 4 /* 4 bytes */
#define TW_MAX_UNITS 16
#define TW_COMMAND_ALIGNMENT_MASK 0 x1ff
#define TW_INIT_MESSAGE_CREDITS 0 x100
#define TW_INIT_COMMAND_PACKET_SIZE 0 x3
#define TW_POLL_MAX_RETRIES 20000
#define TW_MAX_SGL_LENGTH 62
#define TW_ATA_PASS_SGL_MAX 60
#define TW_Q_LENGTH 256
#define TW_Q_START 0
#define TW_MAX_SLOT 32
#define TW_MAX_PCI_BUSES 255
#define TW_MAX_RESET_TRIES 3
#define TW_UNIT_INFORMATION_TABLE_BASE 0 x300
#define TW_MAX_CMDS_PER_LUN 254 /* 254 for io, 1 for
chrdev ioctl , one for
internal aen post */
#define TW_BLOCK_SIZE 0 x200 /* 512-byte blocks */
#define TW_IOCTL 0 x80
#define TW_UNIT_ONLINE 1
#define TW_IN_INTR 1
#define TW_IN_RESET 2
#define TW_IN_CHRDEV_IOCTL 3
#define TW_MAX_SECTORS 256
#define TW_MAX_IOCTL_SECTORS 512
#define TW_AEN_WAIT_TIME 1000
#define TW_IOCTL_WAIT_TIME (1 * HZ) /* 1 second */
#define TW_ISR_DONT_COMPLETE 2
#define TW_ISR_DONT_RESULT 3
#define TW_IOCTL_TIMEOUT 25 /* 25 seconds */
#define TW_IOCTL_CHRDEV_TIMEOUT 60 /* 60 seconds */
#define TW_IOCTL_CHRDEV_FREE -1
#define TW_MAX_CDB_LEN 16
/* Bitmask macros to eliminate bitfields */
/* opcode: 5, sgloffset: 3 */
#define TW_OPSGL_IN(x,y) ((x << 5 ) | (y & 0 x1f))
#define TW_SGL_OUT(x) ((x >> 5 ) & 0 x7)
/* reserved_1: 4, response_id: 8, reserved_2: 20 */
#define TW_RESID_OUT(x) ((x >> 4 ) & 0 xff)
/* unit: 4, host_id: 4 */
#define TW_UNITHOST_IN(x,y) ((x << 4 ) | ( y & 0 xf))
#define TW_UNIT_OUT(x) (x & 0 xf)
/* Macros */
#define TW_CONTROL_REG_ADDR(x) (x->base_addr)
#define TW_STATUS_REG_ADDR(x) (x->base_addr + 0 x4)
#define TW_COMMAND_QUEUE_REG_ADDR(x) (x->base_addr + 0 x8)
#define TW_RESPONSE_QUEUE_REG_ADDR(x) (x->base_addr + 0 xC)
#define TW_CLEAR_ALL_INTERRUPTS(x) \
(outl(TW_STATUS_VALID_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
#define TW_CLEAR_ATTENTION_INTERRUPT(x) \
(outl(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
#define TW_CLEAR_HOST_INTERRUPT(x) \
(outl(TW_CONTROL_CLEAR_HOST_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
#define TW_DISABLE_INTERRUPTS(x) \
(outl(TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
#define TW_ENABLE_AND_CLEAR_INTERRUPTS(x) \
(outl(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) \
(outl(TW_CONTROL_MASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
#define TW_UNMASK_COMMAND_INTERRUPT(x) \
(outl(TW_CONTROL_UNMASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
#define TW_SOFT_RESET(x) (outl(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_STATUS_ERRORS(x) \
(((x & TW_STATUS_PCI_ABORT) || \
(x & TW_STATUS_PCI_PARITY_ERROR) || \
(x & TW_STATUS_QUEUE_ERROR) || \
(x & TW_STATUS_MICROCONTROLLER_ERROR)) && \
(x & TW_STATUS_MICROCONTROLLER_READY))
#ifdef TW_DEBUG
#define dprintk(msg...) printk(msg)
#else
#define dprintk(msg...) do { } while (0 )
#endif
#pragma pack (1 )
/* Scatter Gather List Entry */
typedef struct TAG_TW_SG_Entry {
u32 address;
u32 length;
} TW_SG_Entry;
typedef unsigned char TW_Sector[512 ];
/* Command Packet */
typedef struct TW_Command {
unsigned char opcode__sgloffset;
unsigned char size;
unsigned char request_id;
unsigned char unit__hostid;
/* Second DWORD */
unsigned char status;
unsigned char flags;
union {
unsigned short block_count;
unsigned short parameter_count;
unsigned short message_credits;
} byte6;
union {
struct {
u32 lba;
TW_SG_Entry sgl[TW_MAX_SGL_LENGTH];
u32 padding; /* pad to 512 bytes */
} io;
struct {
TW_SG_Entry sgl[TW_MAX_SGL_LENGTH];
u32 padding[2 ];
} param;
struct {
u32 response_queue_pointer;
u32 padding[125 ];
} init_connection;
struct {
char version[504 ];
} ioctl_miniport_version;
} byte8;
} TW_Command;
#pragma pack ()
typedef struct TAG_TW_Ioctl {
unsigned char opcode;
unsigned short table_id;
unsigned char parameter_id;
unsigned char parameter_size_bytes;
unsigned char unit_index;
unsigned char data[1 ];
} TW_Ioctl;
#pragma pack (1 )
/* Structure for new chardev ioctls */
typedef struct TAG_TW_New_Ioctl {
unsigned int data_buffer_length;
unsigned char padding [508 ];
TW_Command firmware_command;
char data_buffer[];
} TW_New_Ioctl;
/* GetParam descriptor */
typedef struct {
unsigned short table_id;
unsigned char parameter_id;
unsigned char parameter_size_bytes;
unsigned char data[1 ];
} TW_Param, *PTW_Param;
/* Response queue */
typedef union TAG_TW_Response_Queue {
u32 response_id;
u32 value;
} TW_Response_Queue;
typedef int TW_Cmd_State;
#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 */
#define TW_START_MASK (TW_S_STARTED | TW_S_POSTED | TW_S_PENDING | TW_S_COMPLETED)
/* Command header for ATA pass-thru */
typedef struct TAG_TW_Passthru
{
unsigned char opcode__sgloffset;
unsigned char size;
unsigned char request_id;
unsigned char aport__hostid;
unsigned char status;
unsigned char flags;
unsigned short param;
unsigned short features;
unsigned short sector_count;
unsigned short sector_num;
unsigned short cylinder_lo;
unsigned short cylinder_hi;
unsigned char drive_head;
unsigned char command;
TW_SG_Entry sg_list[TW_ATA_PASS_SGL_MAX];
unsigned char padding[12 ];
} TW_Passthru;
#pragma pack ()
typedef struct TAG_TW_Device_Extension {
u32 base_addr;
unsigned long *alignment_virtual_address[TW_Q_LENGTH];
unsigned long alignment_physical_address[TW_Q_LENGTH];
int is_unit_present[TW_MAX_UNITS];
unsigned long *command_packet_virtual_address[TW_Q_LENGTH];
unsigned long command_packet_physical_address[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;
TW_Cmd_State state[TW_Q_LENGTH];
u32 posted_request_count;
u32 max_posted_request_count;
u32 request_count_marked_pending;
u32 pending_request_count;
u32 max_pending_request_count;
u32 max_sgl_entries;
u32 sgl_entries;
u32 num_resets;
u32 sector_count;
u32 max_sector_count;
u32 aen_count;
struct Scsi_Host *host;
struct mutex ioctl_lock;
unsigned short aen_queue[TW_Q_LENGTH];
unsigned char aen_head;
unsigned char aen_tail;
volatile long flags; /* long req'd for set_bit --RR */
int reset_print;
volatile int chrdev_request_id;
wait_queue_head_t ioctl_wqueue;
} TW_Device_Extension;
#endif /* _3W_XXXX_H */
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