/*
3 w - sas . h - - LSI 3 ware SAS / SATA - RAID Controller device driver for Linux .
Written By : Adam Radford < aradford @ gmail . com >
Copyright ( C ) 2009 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_SAS_H
#define _3 W_SAS_H
/* AEN severity table */
static char *twl_aen_severity_table[] =
{
"None" , "ERROR" , "WARNING" , "INFO" , "DEBUG" , NULL
};
/* Liberator register offsets */
#define TWL_STATUS 0 x0 /* Status */
#define TWL_HIBDB 0 x20 /* Inbound doorbell */
#define TWL_HISTAT 0 x30 /* Host interrupt status */
#define TWL_HIMASK 0 x34 /* Host interrupt mask */
#define TWL_HOBDB 0 x9C /* Outbound doorbell */
#define TWL_HOBDBC 0 xA0 /* Outbound doorbell clear */
#define TWL_SCRPD3 0 xBC /* Scratchpad */
#define TWL_HIBQPL 0 xC0 /* Host inbound Q low */
#define TWL_HIBQPH 0 xC4 /* Host inbound Q high */
#define TWL_HOBQPL 0 xC8 /* Host outbound Q low */
#define TWL_HOBQPH 0 xCC /* Host outbound Q high */
#define TWL_HISTATUS_VALID_INTERRUPT 0 xC
#define TWL_HISTATUS_ATTENTION_INTERRUPT 0 x4
#define TWL_HISTATUS_RESPONSE_INTERRUPT 0 x8
#define TWL_STATUS_OVERRUN_SUBMIT 0 x2000
#define TWL_ISSUE_SOFT_RESET 0 x100
#define TWL_CONTROLLER_READY 0 x2000
#define TWL_DOORBELL_CONTROLLER_ERROR 0 x200000
#define TWL_DOORBELL_ATTENTION_INTERRUPT 0 x40000
#define TWL_PULL_MODE 0 x1
/* 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
/* 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
/* 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_COMPLETED 0 x8 /* Completed by isr */
#define TW_S_FINISHED 0 x10 /* I/O completely done */
/* Compatibility defines */
#define TW_9750_ARCH_ID 10
#define TW_CURRENT_DRIVER_SRL 40
#define TW_CURRENT_DRIVER_BUILD 0
#define TW_CURRENT_DRIVER_BRANCH 0
/* Misc defines */
#define TW_SECTOR_SIZE 512
#define TW_MAX_UNITS 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_BASE_FW_SRL 24
#define TW_BASE_FW_BRANCH 0
#define TW_BASE_FW_BUILD 1
#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_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_MAX_CDB_LEN 16
#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_MODEL 8
#define TW_PARAM_MODEL_LENGTH 16
#define TW_PARAM_PHY_SUMMARY_TABLE 1
#define TW_PARAM_PHYCOUNT 2
#define TW_PARAM_PHYCOUNT_LENGTH 1
#define TW_IOCTL_FIRMWARE_PASS_THROUGH 0 x108 // Used by smartmontools
#define TW_ALLOCATION_LENGTH 128
#define TW_SENSE_DATA_LENGTH 18
#define TW_ERROR_LOGICAL_UNIT_NOT_SUPPORTED 0 x10a
#define TW_ERROR_INVALID_FIELD_IN_CDB 0 x10d
#define TW_ERROR_UNIT_OFFLINE 0 x128
#define TW_MESSAGE_SOURCE_CONTROLLER_ERROR 3
#define TW_MESSAGE_SOURCE_CONTROLLER_EVENT 4
#define TW_DRIVER 6
#ifndef PCI_DEVICE_ID_3WARE_9750
#define PCI_DEVICE_ID_3WARE_9750 0 x1010
#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)
/* not_mfa: 1, reserved: 7, status: 8, request_id: 16 */
#define TW_RESID_OUT(x) ((x >> 16 ) & 0 xffff)
#define TW_NOTMFA_OUT(x) (x & 0 x1)
/* request_id: 12, lun: 4 */
#define TW_REQ_LUN_IN(lun, request_id) \
(((lun << 12 ) & 0 xf000) | (request_id & 0 xfff))
#define TW_LUN_OUT(lun) ((lun >> 12 ) & 0 xf)
/* Register access macros */
#define TWL_STATUS_REG_ADDR(x) \
((unsigned char __iomem *)x->base_addr + TWL_STATUS)
#define TWL_HOBQPL_REG_ADDR(x) \
((unsigned char __iomem *)x->base_addr + TWL_HOBQPL)
#define TWL_HOBQPH_REG_ADDR(x) \
((unsigned char __iomem *)x->base_addr + TWL_HOBQPH)
#define TWL_HOBDB_REG_ADDR(x) \
((unsigned char __iomem *)x->base_addr + TWL_HOBDB)
#define TWL_HOBDBC_REG_ADDR(x) \
((unsigned char __iomem *)x->base_addr + TWL_HOBDBC)
#define TWL_HIMASK_REG_ADDR(x) \
((unsigned char __iomem *)x->base_addr + TWL_HIMASK)
#define TWL_HISTAT_REG_ADDR(x) \
((unsigned char __iomem *)x->base_addr + TWL_HISTAT)
#define TWL_HIBQPH_REG_ADDR(x) \
((unsigned char __iomem *)x->base_addr + TWL_HIBQPH)
#define TWL_HIBQPL_REG_ADDR(x) \
((unsigned char __iomem *)x->base_addr + TWL_HIBQPL)
#define TWL_HIBDB_REG_ADDR(x) \
((unsigned char __iomem *)x->base_addr + TWL_HIBDB)
#define TWL_SCRPD3_REG_ADDR(x) \
((unsigned char __iomem *)x->base_addr + TWL_SCRPD3)
#define TWL_MASK_INTERRUPTS(x) \
(writel(~0 , TWL_HIMASK_REG_ADDR(tw_dev)))
#define TWL_UNMASK_INTERRUPTS(x) \
(writel(~TWL_HISTATUS_VALID_INTERRUPT, TWL_HIMASK_REG_ADDR(tw_dev)))
#define TWL_CLEAR_DB_INTERRUPT(x) \
(writel(~0 , TWL_HOBDBC_REG_ADDR(tw_dev)))
#define TWL_SOFT_RESET(x) \
(writel(TWL_ISSUE_SOFT_RESET, TWL_HIBDB_REG_ADDR(tw_dev)))
/* Macros */
#define TW_PRINTK(h,a,b,c) { \
if (h) \
printk(KERN_WARNING "3w-sas: scsi%d: ERROR: (0x%02X:0x%04X): %s.\n" ,h->host_no,a,b,c); \
else \
printk(KERN_WARNING "3w-sas: ERROR: (0x%02X:0x%04X): %s.\n" ,a,b,c); \
}
#define TW_MAX_LUNS 16
#define TW_COMMAND_SIZE (sizeof (dma_addr_t) > 4 ? 6 : 4 )
#define TW_LIBERATOR_MAX_SGL_LENGTH (sizeof (dma_addr_t) > 4 ? 46 : 92 )
#define TW_LIBERATOR_MAX_SGL_LENGTH_OLD (sizeof (dma_addr_t) > 4 ? 47 : 94 )
#define TW_PADDING_LENGTH_LIBERATOR 136
#define TW_PADDING_LENGTH_LIBERATOR_OLD 132
#define TW_CPU_TO_SGL(x) (sizeof (dma_addr_t) > 4 ? cpu_to_le64(x) : cpu_to_le32(x))
#pragma pack (1 )
/* SGL entry */
typedef struct TAG_TW_SG_Entry_ISO {
dma_addr_t address;
dma_addr_t length;
} TW_SG_Entry_ISO;
/* Old Command Packet with ISO SGL */
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;
} byte6_offset;
union {
struct {
u32 lba;
TW_SG_Entry_ISO sgl[TW_LIBERATOR_MAX_SGL_LENGTH_OLD];
unsigned char padding[TW_PADDING_LENGTH_LIBERATOR_OLD];
} io;
struct {
TW_SG_Entry_ISO sgl[TW_LIBERATOR_MAX_SGL_LENGTH_OLD];
u32 padding;
unsigned char padding2[TW_PADDING_LENGTH_LIBERATOR_OLD];
} param;
} byte8_offset;
} TW_Command;
/* New Command Packet with ISO SGL */
typedef struct TAG_TW_Command_Apache {
unsigned char opcode__reserved;
unsigned char unit;
unsigned short request_id__lunl;
unsigned char status;
unsigned char sgl_offset;
unsigned short sgl_entries__lunh;
unsigned char cdb[16 ];
TW_SG_Entry_ISO sg_list[TW_LIBERATOR_MAX_SGL_LENGTH];
unsigned char padding[TW_PADDING_LENGTH_LIBERATOR];
} TW_Command_Apache;
/* New command packet header */
typedef struct TAG_TW_Command_Apache_Header {
unsigned char sense_data[TW_SENSE_DATA_LENGTH];
struct {
char reserved[4 ];
unsigned short error;
unsigned char padding;
unsigned char severity__reserved;
} status_block;
unsigned char err_specific_desc[98 ];
struct {
unsigned char size_header;
unsigned short request_id;
unsigned char 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 {
unsigned char opcode__reserved;
unsigned char size;
unsigned char request_id;
unsigned char res2;
unsigned char status;
unsigned char flags;
unsigned short message_credits;
u32 features;
unsigned short fw_srl;
unsigned short fw_arch_id;
unsigned short fw_branch;
unsigned short fw_build;
u32 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;
/* GetParam descriptor */
typedef struct {
unsigned short table_id;
unsigned short parameter_id;
unsigned short parameter_size_bytes;
unsigned short actual_parameter_size_bytes;
unsigned char data[];
} TW_Param_Apache;
/* 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;
#pragma pack ()
typedef struct TAG_TW_Device_Extension {
void __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];
TW_Command_Apache_Header *sense_buffer_virt[TW_Q_LENGTH];
dma_addr_t sense_buffer_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;
int state[TW_Q_LENGTH];
unsigned int posted_request_count;
unsigned int max_posted_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;
TW_Event *event_queue[TW_Q_LENGTH];
unsigned char error_index;
unsigned int error_sequence_id;
int chrdev_request_id;
wait_queue_head_t ioctl_wqueue;
struct mutex ioctl_lock;
TW_Compatibility_Info tw_compat_info;
char online;
} TW_Device_Extension;
#endif /* _3W_SAS_H */
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