| #ifndef __MEGARAID_H__ | |
| #define __MEGARAID_H__ | |
| #include <linux/spinlock.h> | |
| #include <linux/mutex.h> | |
| #define MEGARAID_VERSION \ | |
| "v2.00.4 (Release Date: Thu Feb 9 08:51:30 EST 2006)\n" | |
| /* | |
| * Driver features - change the values to enable or disable features in the | |
| * driver. | |
| */ | |
| /* | |
| * Command coalescing - This feature allows the driver to be able to combine | |
| * two or more commands and issue as one command in order to boost I/O | |
| * performance. Useful if the nature of the I/O is sequential. It is not very | |
| * useful for random natured I/Os. | |
| */ | |
| #define MEGA_HAVE_COALESCING 0 | |
| /* | |
| * Clustering support - Set this flag if you are planning to use the | |
| * clustering services provided by the megaraid controllers and planning to | |
| * setup a cluster | |
| */ | |
| #define MEGA_HAVE_CLUSTERING 1 | |
| /* | |
| * Driver statistics - Set this flag if you are interested in statics about | |
| * number of I/O completed on each logical drive and how many interrupts | |
| * generated. If enabled, this information is available through /proc | |
| * interface and through the private ioctl. Setting this flag has a | |
| * performance penalty. | |
| */ | |
| #define MEGA_HAVE_STATS 0 | |
| /* | |
| * Enhanced /proc interface - This feature will allow you to have a more | |
| * detailed /proc interface for megaraid driver. E.g., a real time update of | |
| * the status of the logical drives, battery status, physical drives etc. | |
| */ | |
| #define MEGA_HAVE_ENH_PROC 1 | |
| #define MAX_DEV_TYPE 32 | |
| #define PCI_DEVICE_ID_DISCOVERY 0x000E | |
| #define PCI_DEVICE_ID_PERC4_DI 0x000F | |
| #define PCI_DEVICE_ID_PERC4_QC_VERDE 0x0407 | |
| #define HBA_SIGNATURE 0x3344 | |
| #define HBA_SIGNATURE_471 0xCCCC | |
| #define HBA_SIGNATURE_64BIT 0x0299 | |
| #define MBOX_BUSY_WAIT 10 /* wait for up to 10 usec for | |
| mailbox to be free */ | |
| #define DEFAULT_INITIATOR_ID 7 | |
| #define MAX_SGLIST 64 /* max supported in f/w */ | |
| #define MIN_SGLIST 26 /* guaranteed to support these many */ | |
| #define MAX_COMMANDS 126 | |
| #define CMDID_INT_CMDS MAX_COMMANDS+1 /* make sure CMDID_INT_CMDS | |
| is less than max commands | |
| supported by any f/w */ | |
| #define MAX_CDB_LEN 10 | |
| #define MAX_EXT_CDB_LEN 16 /* we support cdb length up to 16 */ | |
| #define DEF_CMD_PER_LUN 63 | |
| #define MAX_CMD_PER_LUN MAX_COMMANDS | |
| #define MAX_FIRMWARE_STATUS 46 | |
| #define MAX_XFER_PER_CMD (64*1024) | |
| #define MAX_SECTORS_PER_IO 128 | |
| #define MAX_LOGICAL_DRIVES_40LD 40 | |
| #define FC_MAX_PHYSICAL_DEVICES 256 | |
| #define MAX_LOGICAL_DRIVES_8LD 8 | |
| #define MAX_CHANNELS 5 | |
| #define MAX_TARGET 15 | |
| #define MAX_PHYSICAL_DRIVES MAX_CHANNELS*MAX_TARGET | |
| #define MAX_ROW_SIZE_40LD 32 | |
| #define MAX_ROW_SIZE_8LD 8 | |
| #define MAX_SPAN_DEPTH 8 | |
| #define NVIRT_CHAN 4 /* # of virtual channels to represent | |
| up to 60 logical drives */ | |
| struct mbox_out { | |
| /* 0x0 */ u8 cmd; | |
| /* 0x1 */ u8 cmdid; | |
| /* 0x2 */ u16 numsectors; | |
| /* 0x4 */ u32 lba; | |
| /* 0x8 */ u32 xferaddr; | |
| /* 0xC */ u8 logdrv; | |
| /* 0xD */ u8 numsgelements; | |
| /* 0xE */ u8 resvd; | |
| } __attribute__ ((packed)); | |
| struct mbox_in { | |
| /* 0xF */ volatile u8 busy; | |
| /* 0x10 */ volatile u8 numstatus; | |
| /* 0x11 */ volatile u8 status; | |
| /* 0x12 */ volatile u8 completed[MAX_FIRMWARE_STATUS]; | |
| volatile u8 poll; | |
| volatile u8 ack; | |
| } __attribute__ ((packed)); | |
| typedef struct { | |
| struct mbox_out m_out; | |
| struct mbox_in m_in; | |
| } __attribute__ ((packed)) mbox_t; | |
| typedef struct { | |
| u32 xfer_segment_lo; | |
| u32 xfer_segment_hi; | |
| mbox_t mbox; | |
| } __attribute__ ((packed)) mbox64_t; | |
| /* | |
| * Passthru definitions | |
| */ | |
| #define MAX_REQ_SENSE_LEN 0x20 | |
| typedef struct { | |
| u8 timeout:3; /* 0=6sec/1=60sec/2=10min/3=3hrs */ | |
| u8 ars:1; | |
| u8 reserved:3; | |
| u8 islogical:1; | |
| u8 logdrv; /* if islogical == 1 */ | |
| u8 channel; /* if islogical == 0 */ | |
| u8 target; /* if islogical == 0 */ | |
| u8 queuetag; /* unused */ | |
| u8 queueaction; /* unused */ | |
| u8 cdb[MAX_CDB_LEN]; | |
| u8 cdblen; | |
| u8 reqsenselen; | |
| u8 reqsensearea[MAX_REQ_SENSE_LEN]; | |
| u8 numsgelements; | |
| u8 scsistatus; | |
| u32 dataxferaddr; | |
| u32 dataxferlen; | |
| } __attribute__ ((packed)) mega_passthru; | |
| /* | |
| * Extended passthru: support CDB > 10 bytes | |
| */ | |
| typedef struct { | |
| u8 timeout:3; /* 0=6sec/1=60sec/2=10min/3=3hrs */ | |
| u8 ars:1; | |
| u8 rsvd1:1; | |
| u8 cd_rom:1; | |
| u8 rsvd2:1; | |
| u8 islogical:1; | |
| u8 logdrv; /* if islogical == 1 */ | |
| u8 channel; /* if islogical == 0 */ | |
| u8 target; /* if islogical == 0 */ | |
| u8 queuetag; /* unused */ | |
| u8 queueaction; /* unused */ | |
| u8 cdblen; | |
| u8 rsvd3; | |
| u8 cdb[MAX_EXT_CDB_LEN]; | |
| u8 numsgelements; | |
| u8 status; | |
| u8 reqsenselen; | |
| u8 reqsensearea[MAX_REQ_SENSE_LEN]; | |
| u8 rsvd4; | |
| u32 dataxferaddr; | |
| u32 dataxferlen; | |
| } __attribute__ ((packed)) mega_ext_passthru; | |
| typedef struct { | |
| u64 address; | |
| u32 length; | |
| } __attribute__ ((packed)) mega_sgl64; | |
| typedef struct { | |
| u32 address; | |
| u32 length; | |
| } __attribute__ ((packed)) mega_sglist; | |
| /* Queued command data */ | |
| typedef struct { | |
| int idx; | |
| u32 state; | |
| struct list_head list; | |
| u8 raw_mbox[66]; | |
| u32 dma_type; | |
| u32 dma_direction; | |
| Scsi_Cmnd *cmd; | |
| dma_addr_t dma_h_bulkdata; | |
| dma_addr_t dma_h_sgdata; | |
| mega_sglist *sgl; | |
| mega_sgl64 *sgl64; | |
| dma_addr_t sgl_dma_addr; | |
| mega_passthru *pthru; | |
| dma_addr_t pthru_dma_addr; | |
| mega_ext_passthru *epthru; | |
| dma_addr_t epthru_dma_addr; | |
| } scb_t; | |
| /* | |
| * Flags to follow the scb as it transitions between various stages | |
| */ | |
| #define SCB_FREE 0x0000 /* on the free list */ | |
| #define SCB_ACTIVE 0x0001 /* off the free list */ | |
| #define SCB_PENDQ 0x0002 /* on the pending queue */ | |
| #define SCB_ISSUED 0x0004 /* issued - owner f/w */ | |
| #define SCB_ABORT 0x0008 /* Got an abort for this one */ | |
| #define SCB_RESET 0x0010 /* Got a reset for this one */ | |
| /* | |
| * Utilities declare this strcture size as 1024 bytes. So more fields can | |
| * be added in future. | |
| */ | |
| typedef struct { | |
| u32 data_size; /* current size in bytes (not including resvd) */ | |
| u32 config_signature; | |
| /* Current value is 0x00282008 | |
| * 0x28=MAX_LOGICAL_DRIVES, | |
| * 0x20=Number of stripes and | |
| * 0x08=Number of spans */ | |
| u8 fw_version[16]; /* printable ASCI string */ | |
| u8 bios_version[16]; /* printable ASCI string */ | |
| u8 product_name[80]; /* printable ASCI string */ | |
| u8 max_commands; /* Max. concurrent commands supported */ | |
| u8 nchannels; /* Number of SCSI Channels detected */ | |
| u8 fc_loop_present; /* Number of Fibre Loops detected */ | |
| u8 mem_type; /* EDO, FPM, SDRAM etc */ | |
| u32 signature; | |
| u16 dram_size; /* In terms of MB */ | |
| u16 subsysid; | |
| u16 subsysvid; | |
| u8 notify_counters; | |
| u8 pad1k[889]; /* 135 + 889 resvd = 1024 total size */ | |
| } __attribute__ ((packed)) mega_product_info; | |
| struct notify { | |
| u32 global_counter; /* Any change increments this counter */ | |
| u8 param_counter; /* Indicates any params changed */ | |
| u8 param_id; /* Param modified - defined below */ | |
| u16 param_val; /* New val of last param modified */ | |
| u8 write_config_counter; /* write config occurred */ | |
| u8 write_config_rsvd[3]; | |
| u8 ldrv_op_counter; /* Indicates ldrv op started/completed */ | |
| u8 ldrv_opid; /* ldrv num */ | |
| u8 ldrv_opcmd; /* ldrv operation - defined below */ | |
| u8 ldrv_opstatus; /* status of the operation */ | |
| u8 ldrv_state_counter; /* Indicates change of ldrv state */ | |
| u8 ldrv_state_id; /* ldrv num */ | |
| u8 ldrv_state_new; /* New state */ | |
| u8 ldrv_state_old; /* old state */ | |
| u8 pdrv_state_counter; /* Indicates change of ldrv state */ | |
| u8 pdrv_state_id; /* pdrv id */ | |
| u8 pdrv_state_new; /* New state */ | |
| u8 pdrv_state_old; /* old state */ | |
| u8 pdrv_fmt_counter; /* Indicates pdrv format started/over */ | |
| u8 pdrv_fmt_id; /* pdrv id */ | |
| u8 pdrv_fmt_val; /* format started/over */ | |
| u8 pdrv_fmt_rsvd; | |
| u8 targ_xfer_counter; /* Indicates SCSI-2 Xfer rate change */ | |
| u8 targ_xfer_id; /* pdrv Id */ | |
| u8 targ_xfer_val; /* new Xfer params of last pdrv */ | |
| u8 targ_xfer_rsvd; | |
| u8 fcloop_id_chg_counter; /* Indicates loopid changed */ | |
| u8 fcloopid_pdrvid; /* pdrv id */ | |
| u8 fcloop_id0; /* loopid on fc loop 0 */ | |
| u8 fcloop_id1; /* loopid on fc loop 1 */ | |
| u8 fcloop_state_counter; /* Indicates loop state changed */ | |
| u8 fcloop_state0; /* state of fc loop 0 */ | |
| u8 fcloop_state1; /* state of fc loop 1 */ | |
| u8 fcloop_state_rsvd; | |
| } __attribute__ ((packed)); | |
| #define MAX_NOTIFY_SIZE 0x80 | |
| #define CUR_NOTIFY_SIZE sizeof(struct notify) | |
| typedef struct { | |
| u32 data_size; /* current size in bytes (not including resvd) */ | |
| struct notify notify; | |
| u8 notify_rsvd[MAX_NOTIFY_SIZE - CUR_NOTIFY_SIZE]; | |
| u8 rebuild_rate; /* Rebuild rate (0% - 100%) */ | |
| u8 cache_flush_interval; /* In terms of Seconds */ | |
| u8 sense_alert; | |
| u8 drive_insert_count; /* drive insertion count */ | |
| u8 battery_status; | |
| u8 num_ldrv; /* No. of Log Drives configured */ | |
| u8 recon_state[MAX_LOGICAL_DRIVES_40LD / 8]; /* State of | |
| reconstruct */ | |
| u16 ldrv_op_status[MAX_LOGICAL_DRIVES_40LD / 8]; /* logdrv | |
| Status */ | |
| u32 ldrv_size[MAX_LOGICAL_DRIVES_40LD];/* Size of each log drv */ | |
| u8 ldrv_prop[MAX_LOGICAL_DRIVES_40LD]; | |
| u8 ldrv_state[MAX_LOGICAL_DRIVES_40LD];/* State of log drives */ | |
| u8 pdrv_state[FC_MAX_PHYSICAL_DEVICES];/* State of phys drvs. */ | |
| u16 pdrv_format[FC_MAX_PHYSICAL_DEVICES / 16]; | |
| u8 targ_xfer[80]; /* phys device transfer rate */ | |
| u8 pad1k[263]; /* 761 + 263reserved = 1024 bytes total size */ | |
| } __attribute__ ((packed)) mega_inquiry3; | |
| /* Structures */ | |
| typedef struct { | |
| u8 max_commands; /* Max concurrent commands supported */ | |
| u8 rebuild_rate; /* Rebuild rate - 0% thru 100% */ | |
| u8 max_targ_per_chan; /* Max targ per channel */ | |
| u8 nchannels; /* Number of channels on HBA */ | |
| u8 fw_version[4]; /* Firmware version */ | |
| u16 age_of_flash; /* Number of times FW has been flashed */ | |
| u8 chip_set_value; /* Contents of 0xC0000832 */ | |
| u8 dram_size; /* In MB */ | |
| u8 cache_flush_interval; /* in seconds */ | |
| u8 bios_version[4]; | |
| u8 board_type; | |
| u8 sense_alert; | |
| u8 write_config_count; /* Increase with every configuration | |
| change */ | |
| u8 drive_inserted_count; /* Increase with every drive inserted | |
| */ | |
| u8 inserted_drive; /* Channel:Id of inserted drive */ | |
| u8 battery_status; /* | |
| * BIT 0: battery module missing | |
| * BIT 1: VBAD | |
| * BIT 2: temperature high | |
| * BIT 3: battery pack missing | |
| * BIT 4,5: | |
| * 00 - charge complete | |
| * 01 - fast charge in progress | |
| * 10 - fast charge fail | |
| * 11 - undefined | |
| * Bit 6: counter > 1000 | |
| * Bit 7: Undefined | |
| */ | |
| u8 dec_fault_bus_info; | |
| } __attribute__ ((packed)) mega_adp_info; | |
| typedef struct { | |
| u8 num_ldrv; /* Number of logical drives configured */ | |
| u8 rsvd[3]; | |
| u32 ldrv_size[MAX_LOGICAL_DRIVES_8LD]; | |
| u8 ldrv_prop[MAX_LOGICAL_DRIVES_8LD]; | |
| u8 ldrv_state[MAX_LOGICAL_DRIVES_8LD]; | |
| } __attribute__ ((packed)) mega_ldrv_info; | |
| typedef struct { | |
| u8 pdrv_state[MAX_PHYSICAL_DRIVES]; | |
| u8 rsvd; | |
| } __attribute__ ((packed)) mega_pdrv_info; | |
| /* RAID inquiry: Mailbox command 0x05*/ | |
| typedef struct { | |
| mega_adp_info adapter_info; | |
| mega_ldrv_info logdrv_info; | |
| mega_pdrv_info pdrv_info; | |
| } __attribute__ ((packed)) mraid_inquiry; | |
| /* RAID extended inquiry: Mailbox command 0x04*/ | |
| typedef struct { | |
| mraid_inquiry raid_inq; | |
| u16 phys_drv_format[MAX_CHANNELS]; | |
| u8 stack_attn; | |
| u8 modem_status; | |
| u8 rsvd[2]; | |
| } __attribute__ ((packed)) mraid_ext_inquiry; | |
| typedef struct { | |
| u8 channel; | |
| u8 target; | |
| }__attribute__ ((packed)) adp_device; | |
| typedef struct { | |
| u32 start_blk; /* starting block */ | |
| u32 num_blks; /* # of blocks */ | |
| adp_device device[MAX_ROW_SIZE_40LD]; | |
| }__attribute__ ((packed)) adp_span_40ld; | |
| typedef struct { | |
| u32 start_blk; /* starting block */ | |
| u32 num_blks; /* # of blocks */ | |
| adp_device device[MAX_ROW_SIZE_8LD]; | |
| }__attribute__ ((packed)) adp_span_8ld; | |
| typedef struct { | |
| u8 span_depth; /* Total # of spans */ | |
| u8 level; /* RAID level */ | |
| u8 read_ahead; /* read ahead, no read ahead, adaptive read | |
| ahead */ | |
| u8 stripe_sz; /* Encoded stripe size */ | |
| u8 status; /* Status of the logical drive */ | |
| u8 write_mode; /* write mode, write_through/write_back */ | |
| u8 direct_io; /* direct io or through cache */ | |
| u8 row_size; /* Number of stripes in a row */ | |
| } __attribute__ ((packed)) logdrv_param; | |
| typedef struct { | |
| logdrv_param lparam; | |
| adp_span_40ld span[MAX_SPAN_DEPTH]; | |
| }__attribute__ ((packed)) logdrv_40ld; | |
| typedef struct { | |
| logdrv_param lparam; | |
| adp_span_8ld span[MAX_SPAN_DEPTH]; | |
| }__attribute__ ((packed)) logdrv_8ld; | |
| typedef struct { | |
| u8 type; /* Type of the device */ | |
| u8 cur_status; /* current status of the device */ | |
| u8 tag_depth; /* Level of tagging */ | |
| u8 sync_neg; /* sync negotiation - ENABLE or DISABLE */ | |
| u32 size; /* configurable size in terms of 512 byte | |
| blocks */ | |
| }__attribute__ ((packed)) phys_drv; | |
| typedef struct { | |
| u8 nlog_drives; /* number of logical drives */ | |
| u8 resvd[3]; | |
| logdrv_40ld ldrv[MAX_LOGICAL_DRIVES_40LD]; | |
| phys_drv pdrv[MAX_PHYSICAL_DRIVES]; | |
| }__attribute__ ((packed)) disk_array_40ld; | |
| typedef struct { | |
| u8 nlog_drives; /* number of logical drives */ | |
| u8 resvd[3]; | |
| logdrv_8ld ldrv[MAX_LOGICAL_DRIVES_8LD]; | |
| phys_drv pdrv[MAX_PHYSICAL_DRIVES]; | |
| }__attribute__ ((packed)) disk_array_8ld; | |
| /* | |
| * User ioctl structure. | |
| * This structure will be used for Traditional Method ioctl interface | |
| * commands (0x80),Alternate Buffer Method (0x81) ioctl commands and the | |
| * Driver ioctls. | |
| * The Driver ioctl interface handles the commands at the driver level, | |
| * without being sent to the card. | |
| */ | |
| /* system call imposed limit. Change accordingly */ | |
| #define IOCTL_MAX_DATALEN 4096 | |
| struct uioctl_t { | |
| u32 inlen; | |
| u32 outlen; | |
| union { | |
| u8 fca[16]; | |
| struct { | |
| u8 opcode; | |
| u8 subopcode; | |
| u16 adapno; | |
| #if BITS_PER_LONG == 32 | |
| u8 *buffer; | |
| u8 pad[4]; | |
| #endif | |
| #if BITS_PER_LONG == 64 | |
| u8 *buffer; | |
| #endif | |
| u32 length; | |
| } __attribute__ ((packed)) fcs; | |
| } __attribute__ ((packed)) ui; | |
| u8 mbox[18]; /* 16 bytes + 2 status bytes */ | |
| mega_passthru pthru; | |
| #if BITS_PER_LONG == 32 | |
| char __user *data; /* buffer <= 4096 for 0x80 commands */ | |
| char pad[4]; | |
| #endif | |
| #if BITS_PER_LONG == 64 | |
| char __user *data; | |
| #endif | |
| } __attribute__ ((packed)); | |
| /* | |
| * struct mcontroller is used to pass information about the controllers in the | |
| * system. Its up to the application how to use the information. We are passing | |
| * as much info about the cards as possible and useful. Before issuing the | |
| * call to find information about the cards, the application needs to issue a | |
| * ioctl first to find out the number of controllers in the system. | |
| */ | |
| #define MAX_CONTROLLERS 32 | |
| struct mcontroller { | |
| u64 base; | |
| u8 irq; | |
| u8 numldrv; | |
| u8 pcibus; | |
| u16 pcidev; | |
| u8 pcifun; | |
| u16 pciid; | |
| u16 pcivendor; | |
| u8 pcislot; | |
| u32 uid; | |
| }; | |
| /* | |
| * mailbox structure used for internal commands | |
| */ | |
| typedef struct { | |
| u8 cmd; | |
| u8 cmdid; | |
| u8 opcode; | |
| u8 subopcode; | |
| u32 lba; | |
| u32 xferaddr; | |
| u8 logdrv; | |
| u8 rsvd[3]; | |
| u8 numstatus; | |
| u8 status; | |
| } __attribute__ ((packed)) megacmd_t; | |
| /* | |
| * Defines for Driver IOCTL interface | |
| */ | |
| #define MEGAIOC_MAGIC 'm' | |
| #define MEGAIOC_QNADAP 'm' /* Query # of adapters */ | |
| #define MEGAIOC_QDRVRVER 'e' /* Query driver version */ | |
| #define MEGAIOC_QADAPINFO 'g' /* Query adapter information */ | |
| #define MKADAP(adapno) (MEGAIOC_MAGIC << 8 | (adapno) ) | |
| #define GETADAP(mkadap) ( (mkadap) ^ MEGAIOC_MAGIC << 8 ) | |
| /* | |
| * Definition for the new ioctl interface (NIT) | |
| */ | |
| /* | |
| * Vendor specific Group-7 commands | |
| */ | |
| #define VENDOR_SPECIFIC_COMMANDS 0xE0 | |
| #define MEGA_INTERNAL_CMD VENDOR_SPECIFIC_COMMANDS + 0x01 | |
| /* | |
| * The ioctl command. No other command shall be used for this interface | |
| */ | |
| #define USCSICMD VENDOR_SPECIFIC_COMMANDS | |
| /* | |
| * Data direction flags | |
| */ | |
| #define UIOC_RD 0x00001 | |
| #define UIOC_WR 0x00002 | |
| /* | |
| * ioctl opcodes | |
| */ | |
| #define MBOX_CMD 0x00000 /* DCMD or passthru command */ | |
| #define GET_DRIVER_VER 0x10000 /* Get driver version */ | |
| #define GET_N_ADAP 0x20000 /* Get number of adapters */ | |
| #define GET_ADAP_INFO 0x30000 /* Get information about a adapter */ | |
| #define GET_CAP 0x40000 /* Get ioctl capabilities */ | |
| #define GET_STATS 0x50000 /* Get statistics, including error info */ | |
| /* | |
| * The ioctl structure. | |
| * MBOX macro converts a nitioctl_t structure to megacmd_t pointer and | |
| * MBOX_P macro converts a nitioctl_t pointer to megacmd_t pointer. | |
| */ | |
| typedef struct { | |
| char signature[8]; /* Must contain "MEGANIT" */ | |
| u32 opcode; /* opcode for the command */ | |
| u32 adapno; /* adapter number */ | |
| union { | |
| u8 __raw_mbox[18]; | |
| void __user *__uaddr; /* xferaddr for non-mbox cmds */ | |
| }__ua; | |
| #define uioc_rmbox __ua.__raw_mbox | |
| #define MBOX(uioc) ((megacmd_t *)&((uioc).__ua.__raw_mbox[0])) | |
| #define MBOX_P(uioc) ((megacmd_t __user *)&((uioc)->__ua.__raw_mbox[0])) | |
| #define uioc_uaddr __ua.__uaddr | |
| u32 xferlen; /* xferlen for DCMD and non-mbox | |
| commands */ | |
| u32 flags; /* data direction flags */ | |
| }nitioctl_t; | |
| /* | |
| * I/O statistics for some applications like SNMP agent. The caller must | |
| * provide the number of logical drives for which status should be reported. | |
| */ | |
| typedef struct { | |
| int num_ldrv; /* Number for logical drives for which the | |
| status should be reported. */ | |
| u32 nreads[MAX_LOGICAL_DRIVES_40LD]; /* number of reads for | |
| each logical drive */ | |
| u32 nreadblocks[MAX_LOGICAL_DRIVES_40LD]; /* number of blocks | |
| read for each logical | |
| drive */ | |
| u32 nwrites[MAX_LOGICAL_DRIVES_40LD]; /* number of writes | |
| for each logical | |
| drive */ | |
| u32 nwriteblocks[MAX_LOGICAL_DRIVES_40LD]; /* number of blocks | |
| writes for each | |
| logical drive */ | |
| u32 rd_errors[MAX_LOGICAL_DRIVES_40LD]; /* number of read | |
| errors for each | |
| logical drive */ | |
| u32 wr_errors[MAX_LOGICAL_DRIVES_40LD]; /* number of write | |
| errors for each | |
| logical drive */ | |
| }megastat_t; | |
| struct private_bios_data { | |
| u8 geometry:4; /* | |
| * bits 0-3 - BIOS geometry | |
| * 0x0001 - 1GB | |
| * 0x0010 - 2GB | |
| * 0x1000 - 8GB | |
| * Others values are invalid | |
| */ | |
| u8 unused:4; /* bits 4-7 are unused */ | |
| u8 boot_drv; /* | |
| * logical drive set as boot drive | |
| * 0..7 - for 8LD cards | |
| * 0..39 - for 40LD cards | |
| */ | |
| u8 rsvd[12]; | |
| u16 cksum; /* 0-(sum of first 13 bytes of this structure) */ | |
| } __attribute__ ((packed)); | |
| /* | |
| * Mailbox and firmware commands and subopcodes used in this driver. | |
| */ | |
| #define MEGA_MBOXCMD_LREAD 0x01 | |
| #define MEGA_MBOXCMD_LWRITE 0x02 | |
| #define MEGA_MBOXCMD_PASSTHRU 0x03 | |
| #define MEGA_MBOXCMD_ADPEXTINQ 0x04 | |
| #define MEGA_MBOXCMD_ADAPTERINQ 0x05 | |
| #define MEGA_MBOXCMD_LREAD64 0xA7 | |
| #define MEGA_MBOXCMD_LWRITE64 0xA8 | |
| #define MEGA_MBOXCMD_PASSTHRU64 0xC3 | |
| #define MEGA_MBOXCMD_EXTPTHRU 0xE3 | |
| #define MAIN_MISC_OPCODE 0xA4 /* f/w misc opcode */ | |
| #define GET_MAX_SG_SUPPORT 0x01 /* get max sg len supported by f/w */ | |
| #define FC_NEW_CONFIG 0xA1 | |
| #define NC_SUBOP_PRODUCT_INFO 0x0E | |
| #define NC_SUBOP_ENQUIRY3 0x0F | |
| #define ENQ3_GET_SOLICITED_FULL 0x02 | |
| #define OP_DCMD_READ_CONFIG 0x04 | |
| #define NEW_READ_CONFIG_8LD 0x67 | |
| #define READ_CONFIG_8LD 0x07 | |
| #define FLUSH_ADAPTER 0x0A | |
| #define FLUSH_SYSTEM 0xFE | |
| /* | |
| * Command for random deletion of logical drives | |
| */ | |
| #define FC_DEL_LOGDRV 0xA4 /* f/w command */ | |
| #define OP_SUP_DEL_LOGDRV 0x2A /* is feature supported */ | |
| #define OP_GET_LDID_MAP 0x18 /* get ldid and logdrv number map */ | |
| #define OP_DEL_LOGDRV 0x1C /* delete logical drive */ | |
| /* | |
| * BIOS commands | |
| */ | |
| #define IS_BIOS_ENABLED 0x62 | |
| #define GET_BIOS 0x01 | |
| #define CHNL_CLASS 0xA9 | |
| #define GET_CHNL_CLASS 0x00 | |
| #define SET_CHNL_CLASS 0x01 | |
| #define CH_RAID 0x01 | |
| #define CH_SCSI 0x00 | |
| #define BIOS_PVT_DATA 0x40 | |
| #define GET_BIOS_PVT_DATA 0x00 | |
| /* | |
| * Commands to support clustering | |
| */ | |
| #define MEGA_GET_TARGET_ID 0x7D | |
| #define MEGA_CLUSTER_OP 0x70 | |
| #define MEGA_GET_CLUSTER_MODE 0x02 | |
| #define MEGA_CLUSTER_CMD 0x6E | |
| #define MEGA_RESERVE_LD 0x01 | |
| #define MEGA_RELEASE_LD 0x02 | |
| #define MEGA_RESET_RESERVATIONS 0x03 | |
| #define MEGA_RESERVATION_STATUS 0x04 | |
| #define MEGA_RESERVE_PD 0x05 | |
| #define MEGA_RELEASE_PD 0x06 | |
| /* | |
| * Module battery status | |
| */ | |
| #define MEGA_BATT_MODULE_MISSING 0x01 | |
| #define MEGA_BATT_LOW_VOLTAGE 0x02 | |
| #define MEGA_BATT_TEMP_HIGH 0x04 | |
| #define MEGA_BATT_PACK_MISSING 0x08 | |
| #define MEGA_BATT_CHARGE_MASK 0x30 | |
| #define MEGA_BATT_CHARGE_DONE 0x00 | |
| #define MEGA_BATT_CHARGE_INPROG 0x10 | |
| #define MEGA_BATT_CHARGE_FAIL 0x20 | |
| #define MEGA_BATT_CYCLES_EXCEEDED 0x40 | |
| /* | |
| * Physical drive states. | |
| */ | |
| #define PDRV_UNCNF 0 | |
| #define PDRV_ONLINE 3 | |
| #define PDRV_FAILED 4 | |
| #define PDRV_RBLD 5 | |
| #define PDRV_HOTSPARE 6 | |
| /* | |
| * Raid logical drive states. | |
| */ | |
| #define RDRV_OFFLINE 0 | |
| #define RDRV_DEGRADED 1 | |
| #define RDRV_OPTIMAL 2 | |
| #define RDRV_DELETED 3 | |
| /* | |
| * Read, write and cache policies | |
| */ | |
| #define NO_READ_AHEAD 0 | |
| #define READ_AHEAD 1 | |
| #define ADAP_READ_AHEAD 2 | |
| #define WRMODE_WRITE_THRU 0 | |
| #define WRMODE_WRITE_BACK 1 | |
| #define CACHED_IO 0 | |
| #define DIRECT_IO 1 | |
| #define SCSI_LIST(scp) ((struct list_head *)(&(scp)->SCp)) | |
| /* | |
| * Each controller's soft state | |
| */ | |
| typedef struct { | |
| int this_id; /* our id, may set to different than 7 if | |
| clustering is available */ | |
| u32 flag; | |
| unsigned long base; | |
| void __iomem *mmio_base; | |
| /* mbox64 with mbox not aligned on 16-byte boundary */ | |
| mbox64_t *una_mbox64; | |
| dma_addr_t una_mbox64_dma; | |
| volatile mbox64_t *mbox64;/* ptr to 64-bit mailbox */ | |
| volatile mbox_t *mbox; /* ptr to standard mailbox */ | |
| dma_addr_t mbox_dma; | |
| struct pci_dev *dev; | |
| struct list_head free_list; | |
| struct list_head pending_list; | |
| struct list_head completed_list; | |
| struct Scsi_Host *host; | |
| #define MEGA_BUFFER_SIZE (2*1024) | |
| u8 *mega_buffer; | |
| dma_addr_t buf_dma_handle; | |
| mega_product_info product_info; | |
| u8 max_cmds; | |
| scb_t *scb_list; | |
| atomic_t pend_cmds; /* maintain a counter for pending | |
| commands in firmware */ | |
| #if MEGA_HAVE_STATS | |
| u32 nreads[MAX_LOGICAL_DRIVES_40LD]; | |
| u32 nreadblocks[MAX_LOGICAL_DRIVES_40LD]; | |
| u32 nwrites[MAX_LOGICAL_DRIVES_40LD]; | |
| u32 nwriteblocks[MAX_LOGICAL_DRIVES_40LD]; | |
| u32 rd_errors[MAX_LOGICAL_DRIVES_40LD]; | |
| u32 wr_errors[MAX_LOGICAL_DRIVES_40LD]; | |
| #endif | |
| /* Host adapter parameters */ | |
| u8 numldrv; | |
| u8 fw_version[7]; | |
| u8 bios_version[7]; | |
| #ifdef CONFIG_PROC_FS | |
| struct proc_dir_entry *controller_proc_dir_entry; | |
| struct proc_dir_entry *proc_read; | |
| struct proc_dir_entry *proc_stat; | |
| struct proc_dir_entry *proc_mbox; | |
| #if MEGA_HAVE_ENH_PROC | |
| struct proc_dir_entry *proc_rr; | |
| struct proc_dir_entry *proc_battery; | |
| #define MAX_PROC_CHANNELS 4 | |
| struct proc_dir_entry *proc_pdrvstat[MAX_PROC_CHANNELS]; | |
| struct proc_dir_entry *proc_rdrvstat[MAX_PROC_CHANNELS]; | |
| #endif | |
| #endif | |
| int has_64bit_addr; /* are we using 64-bit addressing */ | |
| int support_ext_cdb; | |
| int boot_ldrv_enabled; | |
| int boot_ldrv; | |
| int boot_pdrv_enabled; /* boot from physical drive */ | |
| int boot_pdrv_ch; /* boot physical drive channel */ | |
| int boot_pdrv_tgt; /* boot physical drive target */ | |
| int support_random_del; /* Do we support random deletion of | |
| logdrvs */ | |
| int read_ldidmap; /* set after logical drive deltion. The | |
| logical drive number must be read from the | |
| map */ | |
| atomic_t quiescent; /* a stage reached when delete logical | |
| drive needs to be done. Stop | |
| sending requests to the hba till | |
| delete operation is completed */ | |
| spinlock_t lock; | |
| u8 logdrv_chan[MAX_CHANNELS+NVIRT_CHAN]; /* logical drive are on | |
| what channels. */ | |
| int mega_ch_class; | |
| u8 sglen; /* f/w supported scatter-gather list length */ | |
| scb_t int_scb; | |
| struct mutex int_mtx; /* To synchronize the internal | |
| commands */ | |
| int int_status; /* status of internal cmd */ | |
| struct completion int_waitq; /* wait queue for internal | |
| cmds */ | |
| int has_cluster; /* cluster support on this HBA */ | |
| }adapter_t; | |
| struct mega_hbas { | |
| int is_bios_enabled; | |
| adapter_t *hostdata_addr; | |
| }; | |
| /* | |
| * For state flag. Do not use LSB(8 bits) which are | |
| * reserved for storing info about channels. | |
| */ | |
| #define IN_ABORT 0x80000000L | |
| #define IN_RESET 0x40000000L | |
| #define BOARD_MEMMAP 0x20000000L | |
| #define BOARD_IOMAP 0x10000000L | |
| #define BOARD_40LD 0x08000000L | |
| #define BOARD_64BIT 0x04000000L | |
| #define INTR_VALID 0x40 | |
| #define PCI_CONF_AMISIG 0xa0 | |
| #define PCI_CONF_AMISIG64 0xa4 | |
| #define MEGA_DMA_TYPE_NONE 0xFFFF | |
| #define MEGA_BULK_DATA 0x0001 | |
| #define MEGA_SGLIST 0x0002 | |
| /* | |
| * Parameters for the io-mapped controllers | |
| */ | |
| /* I/O Port offsets */ | |
| #define CMD_PORT 0x00 | |
| #define ACK_PORT 0x00 | |
| #define TOGGLE_PORT 0x01 | |
| #define INTR_PORT 0x0a | |
| #define MBOX_BUSY_PORT 0x00 | |
| #define MBOX_PORT0 0x04 | |
| #define MBOX_PORT1 0x05 | |
| #define MBOX_PORT2 0x06 | |
| #define MBOX_PORT3 0x07 | |
| #define ENABLE_MBOX_REGION 0x0B | |
| /* I/O Port Values */ | |
| #define ISSUE_BYTE 0x10 | |
| #define ACK_BYTE 0x08 | |
| #define ENABLE_INTR_BYTE 0xc0 | |
| #define DISABLE_INTR_BYTE 0x00 | |
| #define VALID_INTR_BYTE 0x40 | |
| #define MBOX_BUSY_BYTE 0x10 | |
| #define ENABLE_MBOX_BYTE 0x00 | |
| /* Setup some port macros here */ | |
| #define issue_command(adapter) \ | |
| outb_p(ISSUE_BYTE, (adapter)->base + CMD_PORT) | |
| #define irq_state(adapter) inb_p((adapter)->base + INTR_PORT) | |
| #define set_irq_state(adapter, value) \ | |
| outb_p((value), (adapter)->base + INTR_PORT) | |
| #define irq_ack(adapter) \ | |
| outb_p(ACK_BYTE, (adapter)->base + ACK_PORT) | |
| #define irq_enable(adapter) \ | |
| outb_p(ENABLE_INTR_BYTE, (adapter)->base + TOGGLE_PORT) | |
| #define irq_disable(adapter) \ | |
| outb_p(DISABLE_INTR_BYTE, (adapter)->base + TOGGLE_PORT) | |
| /* | |
| * This is our SYSDEP area. All kernel specific detail should be placed here - | |
| * as much as possible | |
| */ | |
| /* | |
| * End of SYSDEP area | |
| */ | |
| const char *megaraid_info (struct Scsi_Host *); | |
| static int mega_query_adapter(adapter_t *); | |
| static int issue_scb(adapter_t *, scb_t *); | |
| static int mega_setup_mailbox(adapter_t *); | |
| static int megaraid_queue (struct Scsi_Host *, struct scsi_cmnd *); | |
| static scb_t * mega_build_cmd(adapter_t *, Scsi_Cmnd *, int *); | |
| static void __mega_runpendq(adapter_t *); | |
| static int issue_scb_block(adapter_t *, u_char *); | |
| static irqreturn_t megaraid_isr_memmapped(int, void *); | |
| static irqreturn_t megaraid_isr_iomapped(int, void *); | |
| static void mega_free_scb(adapter_t *, scb_t *); | |
| static int megaraid_abort(Scsi_Cmnd *); | |
| static int megaraid_reset(Scsi_Cmnd *); | |
| static int megaraid_abort_and_reset(adapter_t *, Scsi_Cmnd *, int); | |
| static int megaraid_biosparam(struct scsi_device *, struct block_device *, | |
| sector_t, int []); | |
| static int mega_build_sglist (adapter_t *adapter, scb_t *scb, | |
| u32 *buffer, u32 *length); | |
| static int __mega_busywait_mbox (adapter_t *); | |
| static void mega_rundoneq (adapter_t *); | |
| static void mega_cmd_done(adapter_t *, u8 [], int, int); | |
| static inline void mega_free_sgl (adapter_t *adapter); | |
| static void mega_8_to_40ld (mraid_inquiry *inquiry, | |
| mega_inquiry3 *enquiry3, mega_product_info *); | |
| static int megadev_open (struct inode *, struct file *); | |
| static int megadev_ioctl (struct file *, unsigned int, unsigned long); | |
| static int mega_m_to_n(void __user *, nitioctl_t *); | |
| static int mega_n_to_m(void __user *, megacmd_t *); | |
| static int mega_init_scb (adapter_t *); | |
| static int mega_is_bios_enabled (adapter_t *); | |
| #ifdef CONFIG_PROC_FS | |
| static void mega_create_proc_entry(int, struct proc_dir_entry *); | |
| static int mega_adapinq(adapter_t *, dma_addr_t); | |
| static int mega_internal_dev_inquiry(adapter_t *, u8, u8, dma_addr_t); | |
| #endif | |
| static int mega_support_ext_cdb(adapter_t *); | |
| static mega_passthru* mega_prepare_passthru(adapter_t *, scb_t *, | |
| Scsi_Cmnd *, int, int); | |
| static mega_ext_passthru* mega_prepare_extpassthru(adapter_t *, | |
| scb_t *, Scsi_Cmnd *, int, int); | |
| static void mega_enum_raid_scsi(adapter_t *); | |
| static void mega_get_boot_drv(adapter_t *); | |
| static int mega_support_random_del(adapter_t *); | |
| static int mega_del_logdrv(adapter_t *, int); | |
| static int mega_do_del_logdrv(adapter_t *, int); | |
| static void mega_get_max_sgl(adapter_t *); | |
| static int mega_internal_command(adapter_t *, megacmd_t *, mega_passthru *); | |
| static int mega_support_cluster(adapter_t *); | |
| #endif | |
| /* vi: set ts=8 sw=8 tw=78: */ |