/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _WD719X_H_ #define _WD719X_H_ #define WD719X_SG 255 /* Scatter/gather size */ struct wd719x_sglist { __le32 ptr; __le32 length; } __packed; enum wd719x_card_type { WD719X_TYPE_UNKNOWN = 0, WD719X_TYPE_7193, WD719X_TYPE_7197, WD719X_TYPE_7296, }; union wd719x_regs { __le32 all; /* All Status at once */ struct { u8 OPC; /* Opcode register */ u8 SCSI; /* SCSI Errors */ u8 SUE; /* Spider unique Errors */ u8 INT; /* Interrupt Status */ } bytes; }; /* Spider Command Block (SCB) */ struct wd719x_scb { __le32 Int_SCB; /* 00-03 Internal SCB link pointer (must be cleared) */ u8 SCB_opcode; /* 04 SCB Command opcode */ u8 CDB_tag; /* 05 SCSI Tag byte for CDB queues (0 if untagged) */ u8 lun; /* 06 SCSI LUN */ u8 devid; /* 07 SCSI Device ID */ u8 CDB[16]; /* 08-23 SCSI CDB (16 bytes as defined by ANSI spec. */ __le32 data_p; /* 24-27 Data transfer address (or SG list address) */ __le32 data_length; /* 28-31 Data transfer Length (or SG list length) */ __le32 CDB_link; /* 32-35 SCSI CDB Link Ptr */ __le32 sense_buf; /* 36-39 Auto request sense buffer address */ u8 sense_buf_length;/* 40 Auto request sense transfer length */ u8 reserved; /* 41 reserved */ u8 SCB_options; /* 42 SCB-options */ u8 SCB_tag_msg; /* 43 Tagged messages options */ /* Not filled in by host */ __le32 req_ptr; /* 44-47 Ptr to Host Request returned on interrupt */ u8 host_opcode; /* 48 Host Command Opcode (same as AMR_00) */ u8 scsi_stat; /* 49 SCSI Status returned */ u8 ret_error; /* 50 SPIDER Unique Error Code returned (SUE) */ u8 int_stat; /* 51 Message u8 / Interrupt Status byte returned */ __le32 transferred; /* 52-55 Bytes Transferred */ u8 last_trans[3]; /* 56-58 Bytes Transferred in last session */ u8 length; /* 59 SCSI Messages Length (1-8) */ u8 sync_offset; /* 60 Synchronous offset */ u8 sync_rate; /* 61 Synchronous rate */ u8 flags[2]; /* 62-63 SCB specific flags (local to each thread) */ /* everything below is for driver use (not used by card) */ dma_addr_t phys; /* bus address of the SCB */ struct scsi_cmnd *cmd; /* a copy of the pointer we were passed */ struct list_head list; struct wd719x_sglist sg_list[WD719X_SG] __aligned(8); /* SG list */ } __packed; struct wd719x { struct Scsi_Host *sh; /* pointer to host structure */ struct pci_dev *pdev; void __iomem *base; enum wd719x_card_type type; /* type of card */ void *fw_virt; /* firmware buffer CPU address */ dma_addr_t fw_phys; /* firmware buffer bus address */ size_t fw_size; /* firmware buffer size */ struct wd719x_host_param *params; /* host parameters (EEPROM) */ dma_addr_t params_phys; /* host parameters bus address */ void *hash_virt; /* hash table CPU address */ dma_addr_t hash_phys; /* hash table bus address */ struct list_head active_scbs; struct list_head free_scbs; }; /* timeout delays in microsecs */ #define WD719X_WAIT_FOR_CMD_READY 500 #define WD719X_WAIT_FOR_RISC 2000 #define WD719X_WAIT_FOR_SCSI_RESET 3000000 /* All commands except 0x00 generate an interrupt */ #define WD719X_CMD_READY 0x00 /* Command register ready (or noop) */ #define WD719X_CMD_INIT_RISC 0x01 /* Initialize RISC */ /* 0x02 is reserved */ #define WD719X_CMD_BUSRESET 0x03 /* Assert SCSI bus reset */ #define WD719X_CMD_READ_FIRMVER 0x04 /* Read the Firmware Revision */ #define WD719X_CMD_ECHO_BYTES 0x05 /* Echo command bytes (DW) */ /* 0x06 is reserved */ /* 0x07 is reserved */ #define WD719X_CMD_GET_PARAM 0x08 /* Get programmable parameters */ #define WD719X_CMD_SET_PARAM 0x09 /* Set programmable parameters */ #define WD719X_CMD_SLEEP 0x0a /* Put SPIDER to sleep */ #define WD719X_CMD_READ_INIT 0x0b /* Read initialization parameters */ #define WD719X_CMD_RESTORE_INIT 0x0c /* Restore initialization parameters */ /* 0x0d is reserved */ /* 0x0e is reserved */ /* 0x0f is reserved */ #define WD719X_CMD_ABORT_TAG 0x10 /* Send Abort tag message to target */ #define WD719X_CMD_ABORT 0x11 /* Send Abort message to target */ #define WD719X_CMD_RESET 0x12 /* Send Reset message to target */ #define WD719X_CMD_INIT_SCAM 0x13 /* Initiate SCAM */ #define WD719X_CMD_GET_SYNC 0x14 /* Get synchronous rates */ #define WD719X_CMD_SET_SYNC 0x15 /* Set synchronous rates */ #define WD719X_CMD_GET_WIDTH 0x16 /* Get SCSI bus width */ #define WD719X_CMD_SET_WIDTH 0x17 /* Set SCSI bus width */ #define WD719X_CMD_GET_TAGS 0x18 /* Get tag flags */ #define WD719X_CMD_SET_TAGS 0x19 /* Set tag flags */ #define WD719X_CMD_GET_PARAM2 0x1a /* Get programmable params (format 2) */ #define WD719X_CMD_SET_PARAM2 0x1b /* Set programmable params (format 2) */ /* Commands with request pointers (mailbox) */ #define WD719X_CMD_PROCESS_SCB 0x80 /* Process SCSI Control Block (SCB) */ /* No interrupt generated on acceptance of SCB pointer */ /* interrupt status defines */ #define WD719X_INT_NONE 0x00 /* No interrupt pending */ #define WD719X_INT_NOERRORS 0x01 /* Command completed with no errors */ #define WD719X_INT_LINKNOERRORS 0x02 /* link cmd completed with no errors */ #define WD719X_INT_LINKNOSTATUS 0x03 /* link cmd completed with no flag set */ #define WD719X_INT_ERRORSLOGGED 0x04 /* cmd completed with errors logged */ #define WD719X_INT_SPIDERFAILED 0x05 /* cmd failed without valid SCSI status */ #define WD719X_INT_BADINT 0x80 /* unsolicited interrupt */ #define WD719X_INT_PIOREADY 0xf0 /* data ready for PIO output */ /* Spider Unique Error Codes (SUE) */ #define WD719X_SUE_NOERRORS 0x00 /* No errors detected by SPIDER */ #define WD719X_SUE_REJECTED 0x01 /* Command Rejected (bad opcode/param) */ #define WD719X_SUE_SCBQFULL 0x02 /* SCB queue full */ /* 0x03 is reserved */ #define WD719X_SUE_TERM 0x04 /* Host terminated SCB via primative cmd */ #define WD719X_SUE_CHAN1PAR 0x05 /* PCI Channel 1 parity error occurred */ #define WD719X_SUE_CHAN1ABORT 0x06 /* PCI Channel 1 system abort occurred */ #define WD719X_SUE_CHAN23PAR 0x07 /* PCI Channel 2/3 parity error occurred */ #define WD719X_SUE_CHAN23ABORT 0x08 /* PCI Channel 2/3 system abort occurred */ #define WD719X_SUE_TIMEOUT 0x10 /* Selection/reselection timeout */ #define WD719X_SUE_RESET 0x11 /* SCSI bus reset occurred */ #define WD719X_SUE_BUSERROR 0x12 /* SCSI bus error */ #define WD719X_SUE_WRONGWAY 0x13 /* Wrong data transfer dir set by target */ #define WD719X_SUE_BADPHASE 0x14 /* SCSI phase illegal or unexpected */ #define WD719X_SUE_TOOLONG 0x15 /* target requested too much data */ #define WD719X_SUE_BUSFREE 0x16 /* Unexpected SCSI bus free */ #define WD719X_SUE_ARSDONE 0x17 /* Auto request sense executed */ #define WD719X_SUE_IGNORED 0x18 /* SCSI message was ignored by target */ #define WD719X_SUE_WRONGTAGS 0x19 /* Tagged SCB & tags off (or vice versa) */ #define WD719X_SUE_BADTAGS 0x1a /* Wrong tag message type for target */ #define WD719X_SUE_NOSCAMID 0x1b /* No SCAM soft ID available */ /* code sizes */ #define WD719X_HASH_TABLE_SIZE 4096 /* Advanced Mode Registers */ /* Regs 0x00..0x1f are for Advanced Mode of the card (RISC is running). */ #define WD719X_AMR_COMMAND 0x00 #define WD719X_AMR_CMD_PARAM 0x01 #define WD719X_AMR_CMD_PARAM_2 0x02 #define WD719X_AMR_CMD_PARAM_3 0x03 #define WD719X_AMR_SCB_IN 0x04 #define WD719X_AMR_BIOS_SHARE_INT 0x0f #define WD719X_AMR_SCB_OUT 0x18 #define WD719X_AMR_OP_CODE 0x1c #define WD719X_AMR_SCSI_STATUS 0x1d #define WD719X_AMR_SCB_ERROR 0x1e #define WD719X_AMR_INT_STATUS 0x1f #define WD719X_DISABLE_INT 0x80 /* SCB flags */ #define WD719X_SCB_FLAGS_CHECK_DIRECTION 0x01 #define WD719X_SCB_FLAGS_PCI_TO_SCSI 0x02 #define WD719X_SCB_FLAGS_AUTO_REQUEST_SENSE 0x10 #define WD719X_SCB_FLAGS_DO_SCATTER_GATHER 0x20 #define WD719X_SCB_FLAGS_NO_DISCONNECT 0x40 /* PCI Registers used for reset, initial code download */ /* Regs 0x20..0x3f are for Normal (DOS) mode (RISC is asleep). */ #define WD719X_PCI_GPIO_CONTROL 0x3C #define WD719X_PCI_GPIO_DATA 0x3D #define WD719X_PCI_PORT_RESET 0x3E #define WD719X_PCI_MODE_SELECT 0x3F #define WD719X_PCI_EXTERNAL_ADDR 0x60 #define WD719X_PCI_INTERNAL_ADDR 0x64 #define WD719X_PCI_DMA_TRANSFER_SIZE 0x66 #define WD719X_PCI_CHANNEL2_3CMD 0x68 #define WD719X_PCI_CHANNEL2_3STATUS 0x69 #define WD719X_GPIO_ID_BITS 0x0a #define WD719X_PRAM_BASE_ADDR 0x00 /* codes written to or read from the card */ #define WD719X_PCI_RESET 0x01 #define WD719X_ENABLE_ADVANCE_MODE 0x01 #define WD719X_START_CHANNEL2_3DMA 0x17 #define WD719X_START_CHANNEL2_3DONE 0x01 #define WD719X_START_CHANNEL2_3ABORT 0x20 /* 33C296 GPIO bits for EEPROM pins */ #define WD719X_EE_DI (1 << 1) #define WD719X_EE_CS (1 << 2) #define WD719X_EE_CLK (1 << 3) #define WD719X_EE_DO (1 << 4) /* EEPROM contents */ struct wd719x_eeprom_header { u8 sig1; u8 sig2; u8 version; u8 checksum; u8 cfg_offset; u8 cfg_size; u8 setup_offset; u8 setup_size; } __packed; #define WD719X_EE_SIG1 0 #define WD719X_EE_SIG2 1 #define WD719X_EE_VERSION 2 #define WD719X_EE_CHECKSUM 3 #define WD719X_EE_CFG_OFFSET 4 #define WD719X_EE_CFG_SIZE 5 #define WD719X_EE_SETUP_OFFSET 6 #define WD719X_EE_SETUP_SIZE 7 #define WD719X_EE_SCSI_ID_MASK 0xf /* SPIDER Host Parameters Block (=EEPROM configuration block) */ struct wd719x_host_param { u8 ch_1_th; /* FIFO threshold */ u8 scsi_conf; /* SCSI configuration */ u8 own_scsi_id; /* controller SCSI ID */ u8 sel_timeout; /* selection timeout*/ u8 sleep_timer; /* seep timer */ __le16 cdb_size;/* CDB size groups */ __le16 tag_en; /* Tag msg enables (ID 0-15) */ u8 scsi_pad; /* SCSI pad control */ __le32 wide; /* WIDE msg options (ID 0-15) */ __le32 sync; /* SYNC msg options (ID 0-15) */ u8 soft_mask; /* soft error mask */ u8 unsol_mask; /* unsolicited error mask */ } __packed; #endif /* _WD719X_H_ */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ondrej Zary | 842 | 99.88% | 1 | 50.00% |
| Greg Kroah-Hartman | 1 | 0.12% | 1 | 50.00% |
| Total | 843 | 100.00% | 2 | 100.00% |