diff options
Diffstat (limited to 'drivers/scsi/eata_generic.h')
| -rw-r--r-- | drivers/scsi/eata_generic.h | 401 |
1 files changed, 0 insertions, 401 deletions
diff --git a/drivers/scsi/eata_generic.h b/drivers/scsi/eata_generic.h deleted file mode 100644 index 1a396c5e7f73..000000000000 --- a/drivers/scsi/eata_generic.h +++ /dev/null @@ -1,401 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/******************************************************** -* Header file for eata_dma.c and eata_pio.c * -* Linux EATA SCSI drivers * -* (c) 1993-96 Michael Neuffer * -* mike@i-Connect.Net * -* neuffer@mail.uni-mainz.de * -********************************************************* -* last change: 96/08/14 * -********************************************************/ - - -#ifndef _EATA_GENERIC_H -#define _EATA_GENERIC_H - - - -/********************************************* - * Misc. definitions * - *********************************************/ - -#define R_LIMIT 0x20000 - -#define MAXISA 4 -#define MAXEISA 16 -#define MAXPCI 16 -#define MAXIRQ 16 -#define MAXTARGET 16 -#define MAXCHANNEL 3 - -#define IS_ISA 'I' -#define IS_EISA 'E' -#define IS_PCI 'P' - -#define BROKEN_INQUIRY 1 - -#define BUSMASTER 0xff -#define PIO 0xfe - -#define EATA_SIGNATURE 0x45415441 /* BIG ENDIAN coded "EATA" sig. */ - -#define DPT_ID1 0x12 -#define DPT_ID2 0x14 - -#define ATT_ID1 0x06 -#define ATT_ID2 0x94 -#define ATT_ID3 0x0 - -#define NEC_ID1 0x38 -#define NEC_ID2 0xa3 -#define NEC_ID3 0x82 - - -#define EATA_CP_SIZE 44 - -#define MAX_PCI_DEVICES 32 /* Maximum # Of Devices Per Bus */ -#define MAX_METHOD_2 16 /* Max Devices For Method 2 */ -#define MAX_PCI_BUS 16 /* Maximum # Of Busses Allowed */ - -#define SG_SIZE 64 -#define SG_SIZE_BIG 252 /* max. 8096 elements, 64k */ - -#define UPPER_DEVICE_QUEUE_LIMIT 64 /* The limit we have to set for the - * device queue to keep the broken - * midlevel SCSI code from producing - * bogus timeouts - */ - -#define TYPE_DISK_QUEUE 16 -#define TYPE_TAPE_QUEUE 4 -#define TYPE_ROM_QUEUE 4 -#define TYPE_OTHER_QUEUE 2 - -#define FREE 0 -#define OK 0 -#define NO_TIMEOUT 0 -#define USED 1 -#define TIMEOUT 2 -#define RESET 4 -#define LOCKED 8 -#define ABORTED 16 - -#define READ 0 -#define WRITE 1 -#define OTHER 2 - -#define HD(cmd) ((hostdata *)&(cmd->device->host->hostdata)) -#define CD(cmd) ((struct eata_ccb *)(cmd->host_scribble)) -#define SD(host) ((hostdata *)&(host->hostdata)) - -/*********************************************** - * EATA Command & Register definitions * - ***********************************************/ -#define PCI_REG_DPTconfig 0x40 -#define PCI_REG_PumpModeAddress 0x44 -#define PCI_REG_PumpModeData 0x48 -#define PCI_REG_ConfigParam1 0x50 -#define PCI_REG_ConfigParam2 0x54 - - -#define EATA_CMD_PIO_SETUPTEST 0xc6 -#define EATA_CMD_PIO_READ_CONFIG 0xf0 -#define EATA_CMD_PIO_SET_CONFIG 0xf1 -#define EATA_CMD_PIO_SEND_CP 0xf2 -#define EATA_CMD_PIO_RECEIVE_SP 0xf3 -#define EATA_CMD_PIO_TRUNC 0xf4 - -#define EATA_CMD_RESET 0xf9 -#define EATA_CMD_IMMEDIATE 0xfa - -#define EATA_CMD_DMA_READ_CONFIG 0xfd -#define EATA_CMD_DMA_SET_CONFIG 0xfe -#define EATA_CMD_DMA_SEND_CP 0xff - -#define ECS_EMULATE_SENSE 0xd4 - -#define EATA_GENERIC_ABORT 0x00 -#define EATA_SPECIFIC_RESET 0x01 -#define EATA_BUS_RESET 0x02 -#define EATA_SPECIFIC_ABORT 0x03 -#define EATA_QUIET_INTR 0x04 -#define EATA_COLD_BOOT_HBA 0x06 /* Only as a last resort */ -#define EATA_FORCE_IO 0x07 - -#define HA_CTRLREG 0x206 /* control register for HBA */ -#define HA_CTRL_DISINT 0x02 /* CTRLREG: disable interrupts */ -#define HA_CTRL_RESCPU 0x04 /* CTRLREG: reset processor */ -#define HA_CTRL_8HEADS 0x08 /* CTRLREG: set for drives with* - * >=8 heads (WD1003 rudimentary :-) */ - -#define HA_WCOMMAND 0x07 /* command register offset */ -#define HA_WIFC 0x06 /* immediate command offset */ -#define HA_WCODE 0x05 -#define HA_WCODE2 0x04 -#define HA_WDMAADDR 0x02 /* DMA address LSB offset */ -#define HA_RAUXSTAT 0x08 /* aux status register offset*/ -#define HA_RSTATUS 0x07 /* status register offset */ -#define HA_RDATA 0x00 /* data register (16bit) */ -#define HA_WDATA 0x00 /* data register (16bit) */ - -#define HA_ABUSY 0x01 /* aux busy bit */ -#define HA_AIRQ 0x02 /* aux IRQ pending bit */ -#define HA_SERROR 0x01 /* pr. command ended in error*/ -#define HA_SMORE 0x02 /* more data soon to come */ -#define HA_SCORR 0x04 /* data corrected */ -#define HA_SDRQ 0x08 /* data request active */ -#define HA_SSC 0x10 /* seek complete */ -#define HA_SFAULT 0x20 /* write fault */ -#define HA_SREADY 0x40 /* drive ready */ -#define HA_SBUSY 0x80 /* drive busy */ -#define HA_SDRDY HA_SSC+HA_SREADY+HA_SDRQ - -/********************************************** - * Message definitions * - **********************************************/ - -#define HA_NO_ERROR 0x00 /* No Error */ -#define HA_ERR_SEL_TO 0x01 /* Selection Timeout */ -#define HA_ERR_CMD_TO 0x02 /* Command Timeout */ -#define HA_BUS_RESET 0x03 /* SCSI Bus Reset Received */ -#define HA_INIT_POWERUP 0x04 /* Initial Controller Power-up */ -#define HA_UNX_BUSPHASE 0x05 /* Unexpected Bus Phase */ -#define HA_UNX_BUS_FREE 0x06 /* Unexpected Bus Free */ -#define HA_BUS_PARITY 0x07 /* Bus Parity Error */ -#define HA_SCSI_HUNG 0x08 /* SCSI Hung */ -#define HA_UNX_MSGRJCT 0x09 /* Unexpected Message Rejected */ -#define HA_RESET_STUCK 0x0a /* SCSI Bus Reset Stuck */ -#define HA_RSENSE_FAIL 0x0b /* Auto Request-Sense Failed */ -#define HA_PARITY_ERR 0x0c /* Controller Ram Parity Error */ -#define HA_CP_ABORT_NA 0x0d /* Abort Message sent to non-active cmd */ -#define HA_CP_ABORTED 0x0e /* Abort Message sent to active cmd */ -#define HA_CP_RESET_NA 0x0f /* Reset Message sent to non-active cmd */ -#define HA_CP_RESET 0x10 /* Reset Message sent to active cmd */ -#define HA_ECC_ERR 0x11 /* Controller Ram ECC Error */ -#define HA_PCI_PARITY 0x12 /* PCI Parity Error */ -#define HA_PCI_MABORT 0x13 /* PCI Master Abort */ -#define HA_PCI_TABORT 0x14 /* PCI Target Abort */ -#define HA_PCI_STABORT 0x15 /* PCI Signaled Target Abort */ - -/********************************************** - * Other definitions * - **********************************************/ - -struct reg_bit { /* reading this one will clear the interrupt */ - __u8 error:1; /* previous command ended in an error */ - __u8 more:1; /* more DATA coming soon, poll BSY & DRQ (PIO) */ - __u8 corr:1; /* data read was successfully corrected with ECC*/ - __u8 drq:1; /* data request active */ - __u8 sc:1; /* seek complete */ - __u8 fault:1; /* write fault */ - __u8 ready:1; /* drive ready */ - __u8 busy:1; /* controller busy */ -}; - -struct reg_abit { /* reading this won't clear the interrupt */ - __u8 abusy:1; /* auxiliary busy */ - __u8 irq:1; /* set when drive interrupt is asserted */ - __u8 dummy:6; -}; - -struct eata_register { /* EATA register set */ - __u8 data_reg[2]; /* R, couldn't figure this one out */ - __u8 cp_addr[4]; /* W, CP address register */ - union { - __u8 command; /* W, command code: [read|set] conf, send CP*/ - struct reg_bit status; /* R, see register_bit1 */ - __u8 statusbyte; - } ovr; - struct reg_abit aux_stat; /* R, see register_bit2 */ -}; - -struct get_conf { /* Read Configuration Array */ - __u32 len; /* Should return 0x22, 0x24, etc */ - __u32 signature; /* Signature MUST be "EATA" */ - __u8 version2:4, - version:4; /* EATA Version level */ - __u8 OCS_enabled:1, /* Overlap Command Support enabled */ - TAR_support:1, /* SCSI Target Mode supported */ - TRNXFR:1, /* Truncate Transfer Cmd not necessary * - * Only used in PIO Mode */ - MORE_support:1, /* MORE supported (only PIO Mode) */ - DMA_support:1, /* DMA supported Driver uses only * - * this mode */ - DMA_valid:1, /* DRQ value in Byte 30 is valid */ - ATA:1, /* ATA device connected (not supported) */ - HAA_valid:1; /* Hostadapter Address is valid */ - - __u16 cppadlen; /* Number of pad bytes send after CD data * - * set to zero for DMA commands */ - __u8 scsi_id[4]; /* SCSI ID of controller 2-0 Byte 0 res. * - * if not, zero is returned */ - __u32 cplen; /* CP length: number of valid cp bytes */ - __u32 splen; /* Number of bytes returned after * - * Receive SP command */ - __u16 queuesiz; /* max number of queueable CPs */ - __u16 dummy; - __u16 SGsiz; /* max number of SG table entries */ - __u8 IRQ:4, /* IRQ used this HA */ - IRQ_TR:1, /* IRQ Trigger: 0=edge, 1=level */ - SECOND:1, /* This is a secondary controller */ - DMA_channel:2; /* DRQ index, DRQ is 2comp of DRQX */ - __u8 sync; /* device at ID 7 tru 0 is running in * - * synchronous mode, this will disappear */ - __u8 DSBLE:1, /* ISA i/o addressing is disabled */ - FORCADR:1, /* i/o address has been forced */ - SG_64K:1, - SG_UAE:1, - :4; - __u8 MAX_ID:5, /* Max number of SCSI target IDs */ - MAX_CHAN:3; /* Number of SCSI busses on HBA */ - __u8 MAX_LUN; /* Max number of LUNs */ - __u8 :3, - AUTOTRM:1, - M1_inst:1, - ID_qest:1, /* Raidnum ID is questionable */ - is_PCI:1, /* HBA is PCI */ - is_EISA:1; /* HBA is EISA */ - __u8 RAIDNUM; /* unique HBA identifier */ - __u8 unused[474]; -}; - -struct eata_sg_list -{ - __u32 data; - __u32 len; -}; - -struct eata_ccb { /* Send Command Packet structure */ - - __u8 SCSI_Reset:1, /* Cause a SCSI Bus reset on the cmd */ - HBA_Init:1, /* Cause Controller to reinitialize */ - Auto_Req_Sen:1, /* Do Auto Request Sense on errors */ - scatter:1, /* Data Ptr points to a SG Packet */ - Resrvd:1, /* RFU */ - Interpret:1, /* Interpret the SCSI cdb of own use */ - DataOut:1, /* Data Out phase with command */ - DataIn:1; /* Data In phase with command */ - __u8 reqlen; /* Request Sense Length * - * Valid if Auto_Req_Sen=1 */ - __u8 unused[3]; - __u8 FWNEST:1, /* send cmd to phys RAID component */ - unused2:7; - __u8 Phsunit:1, /* physical unit on mirrored pair */ - I_AT:1, /* inhibit address translation */ - I_HBA_C:1, /* HBA inhibit caching */ - unused3:5; - - __u8 cp_id:5, /* SCSI Device ID of target */ - cp_channel:3; /* SCSI Channel # of HBA */ - __u8 cp_lun:3, - :2, - cp_luntar:1, /* CP is for target ROUTINE */ - cp_dispri:1, /* Grant disconnect privilege */ - cp_identify:1; /* Always TRUE */ - __u8 cp_msg1; /* Message bytes 0-3 */ - __u8 cp_msg2; - __u8 cp_msg3; - __u8 cp_cdb[12]; /* Command Descriptor Block */ - __u32 cp_datalen; /* Data Transfer Length * - * If scatter=1 len of sg package */ - void *cp_viraddr; /* address of this ccb */ - __u32 cp_dataDMA; /* Data Address, if scatter=1 * - * address of scatter packet */ - __u32 cp_statDMA; /* address for Status Packet */ - __u32 cp_reqDMA; /* Request Sense Address, used if * - * CP command ends with error */ - /* Additional CP info begins here */ - __u32 timestamp; /* Needed to measure command latency */ - __u32 timeout; - __u8 sizeindex; - __u8 rw_latency; - __u8 retries; - __u8 status; /* status of this queueslot */ - struct scsi_cmnd *cmd; /* address of cmd */ - struct eata_sg_list *sg_list; -}; - - -struct eata_sp { - __u8 hba_stat:7, /* HBA status */ - EOC:1; /* True if command finished */ - __u8 scsi_stat; /* Target SCSI status */ - __u8 reserved[2]; - __u32 residue_len; /* Number of bytes not transferred */ - struct eata_ccb *ccb; /* Address set in COMMAND PACKET */ - __u8 msg[12]; -}; - -typedef struct hstd { - __u8 vendor[9]; - __u8 name[18]; - __u8 revision[6]; - __u8 EATA_revision; - __u32 firmware_revision; - __u8 HBA_number; - __u8 bustype; /* bustype of HBA */ - __u8 channel; /* # of avail. scsi channels */ - __u8 state; /* state of HBA */ - __u8 primary; /* true if primary */ - __u8 more_support:1, /* HBA supports MORE flag */ - immediate_support:1, /* HBA supports IMMEDIATE CMDs*/ - broken_INQUIRY:1; /* This is an EISA HBA with * - * broken INQUIRY */ - __u8 do_latency; /* Latency measurement flag */ - __u32 reads[13]; - __u32 writes[13]; - __u32 reads_lat[12][4]; - __u32 writes_lat[12][4]; - __u32 all_lat[4]; - __u8 resetlevel[MAXCHANNEL]; - __u32 last_ccb; /* Last used ccb */ - __u32 cplen; /* size of CP in words */ - __u16 cppadlen; /* pad length of cp in words */ - __u16 queuesize; - __u16 sgsize; /* # of entries in the SG list*/ - __u16 devflags; /* bits set for detected devices */ - __u8 hostid; /* SCSI ID of HBA */ - __u8 moresupport; /* HBA supports MORE flag */ - struct Scsi_Host *next; - struct Scsi_Host *prev; - struct pci_dev *pdev; /* PCI device or NULL for non PCI */ - struct eata_sp sp; /* status packet */ - struct eata_ccb ccb[0]; /* ccb array begins here */ -}hostdata; - -/* structure for max. 2 emulated drives */ -struct drive_geom_emul { - __u8 trans; /* translation flag 1=transl */ - __u8 channel; /* SCSI channel number */ - __u8 HBA; /* HBA number (prim/sec) */ - __u8 id; /* drive id */ - __u8 lun; /* drive lun */ - __u32 heads; /* number of heads */ - __u32 sectors; /* number of sectors */ - __u32 cylinder; /* number of cylinders */ -}; - -struct geom_emul { - __u8 bios_drives; /* number of emulated drives */ - struct drive_geom_emul drv[2]; /* drive structures */ -}; - -#endif /* _EATA_GENERIC_H */ - -/* - * Overrides for Emacs so that we almost follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-indent-level: 4 - * c-brace-imaginary-offset: 0 - * c-brace-offset: -4 - * c-argdecl-indent: 4 - * c-label-offset: -4 - * c-continued-statement-offset: 4 - * c-continued-brace-offset: 0 - * tab-width: 8 - * End: - */ |