/* * Device driver for the SYMBIOS/LSILOGIC 53C8XX and 53C1010 family * of PCI-SCSI IO processors. * * Copyright (C) 1999-2001 Gerard Roudier * * This driver is derived from the Linux sym53c8xx driver. * Copyright (C) 1998-2000 Gerard Roudier * * The sym53c8xx driver is derived from the ncr53c8xx driver that had been * a port of the FreeBSD ncr driver to Linux-1.2.13. * * The original ncr driver has been written for 386bsd and FreeBSD by * Wolfgang Stanglmeier * Stefan Esser * Copyright (C) 1994 Wolfgang Stanglmeier * * Other major contributions: * * NVRAM detection and reading. * Copyright (C) 1997 Richard Waltham * *----------------------------------------------------------------------------- * * 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; either version 2 of the License, or * (at your option) any later version. * * 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. * * 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 */ #ifndef SYM_NVRAM_H #define SYM_NVRAM_H #include "sym53c8xx.h" /* * Symbios NVRAM data format */ #define SYMBIOS_NVRAM_SIZE 368 #define SYMBIOS_NVRAM_ADDRESS 0x100 struct Symbios_nvram { /* Header 6 bytes */ u_short type; /* 0x0000 */ u_short byte_count; /* excluding header/trailer */ u_short checksum; /* Controller set up 20 bytes */ u_char v_major; /* 0x00 */ u_char v_minor; /* 0x30 */ u32 boot_crc; u_short flags; #define SYMBIOS_SCAM_ENABLE (1) #define SYMBIOS_PARITY_ENABLE (1<<1) #define SYMBIOS_VERBOSE_MSGS (1<<2) #define SYMBIOS_CHS_MAPPING (1<<3) #define SYMBIOS_NO_NVRAM (1<<3) /* ??? */ u_short flags1; #define SYMBIOS_SCAN_HI_LO (1) u_short term_state; #define SYMBIOS_TERM_CANT_PROGRAM (0) #define SYMBIOS_TERM_ENABLED (1) #define SYMBIOS_TERM_DISABLED (2) u_short rmvbl_flags; #define SYMBIOS_RMVBL_NO_SUPPORT (0) #define SYMBIOS_RMVBL_BOOT_DEVICE (1) #define SYMBIOS_RMVBL_MEDIA_INSTALLED (2) u_char host_id; u_char num_hba; /* 0x04 */ u_char num_devices; /* 0x10 */ u_char max_scam_devices; /* 0x04 */ u_char num_valid_scam_devices; /* 0x00 */ u_char flags2; #define SYMBIOS_AVOID_BUS_RESET (1<<2) /* Boot order 14 bytes * 4 */ struct Symbios_host{ u_short type; /* 4:8xx / 0:nok */ u_short device_id; /* PCI device id */ u_short vendor_id; /* PCI vendor id */ u_char bus_nr; /* PCI bus number */ u_char device_fn; /* PCI device/function number << 3*/ u_short word8; u_short flags; #define SYMBIOS_INIT_SCAN_AT_BOOT (1) u_short io_port; /* PCI io_port address */ } host[4]; /* Targets 8 bytes * 16 */ struct Symbios_target { u_char flags; #define SYMBIOS_DISCONNECT_ENABLE (1) #define SYMBIOS_SCAN_AT_BOOT_TIME (1<<1) #define SYMBIOS_SCAN_LUNS (1<<2) #define SYMBIOS_QUEUE_TAGS_ENABLED (1<<3) u_char rsvd; u_char bus_width; /* 0x08/0x10 */ u_char sync_offset; u_short sync_period; /* 4*period factor */ u_short timeout; } target[16]; /* Scam table 8 bytes * 4 */ struct Symbios_scam { u_short id; u_short method; #define SYMBIOS_SCAM_DEFAULT_METHOD (0) #define SYMBIOS_SCAM_DONT_ASSIGN (1) #define SYMBIOS_SCAM_SET_SPECIFIC_ID (2) #define SYMBIOS_SCAM_USE_ORDER_GIVEN (3) u_short status; #define SYMBIOS_SCAM_UNKNOWN (0) #define SYMBIOS_SCAM_DEVICE_NOT_FOUND (1) #define SYMBIOS_SCAM_ID_NOT_SET (2) #define SYMBIOS_SCAM_ID_VALID (3) u_char target_id; u_char rsvd; } scam[4]; u_char spare_devices[15*8]; u_char trailer[6]; /* 0xfe 0xfe 0x00 0x00 0x00 0x00 */ }; typedef struct Symbios_nvram Symbios_nvram; typedef struct Symbios_host Symbios_host; typedef struct Symbios_target Symbios_target; typedef struct Symbios_scam Symbios_scam; /* * Tekram NvRAM data format. */ #define TEKRAM_NVRAM_SIZE 64 #define TEKRAM_93C46_NVRAM_ADDRESS 0 #define TEKRAM_24C16_NVRAM_ADDRESS 0x40 struct Tekram_nvram { struct Tekram_target { u_char flags; #define TEKRAM_PARITY_CHECK (1) #define TEKRAM_SYNC_NEGO (1<<1) #define TEKRAM_DISCONNECT_ENABLE (1<<2) #define TEKRAM_START_CMD (1<<3) #define TEKRAM_TAGGED_COMMANDS (1<<4) #define TEKRAM_WIDE_NEGO (1<<5) u_char sync_index; u_short word2; } target[16]; u_char host_id; u_char flags; #define TEKRAM_MORE_THAN_2_DRIVES (1) #define TEKRAM_DRIVES_SUP_1GB (1<<1) #define TEKRAM_RESET_ON_POWER_ON (1<<2) #define TEKRAM_ACTIVE_NEGATION (1<<3) #define TEKRAM_IMMEDIATE_SEEK (1<<4) #define TEKRAM_SCAN_LUNS (1<<5) #define TEKRAM_REMOVABLE_FLAGS (3<<6) /* 0: disable; */ /* 1: boot device; 2:all */ u_char boot_delay_index; u_char max_tags_index; u_short flags1; #define TEKRAM_F2_F6_ENABLED (1) u_short spare[29]; }; typedef struct Tekram_nvram Tekram_nvram; typedef struct Tekram_target Tekram_target; #ifndef CONFIG_PARISC struct pdc_initiator { int dummy; }; #endif /* * Union of supported NVRAM formats. */ struct sym_nvram { int type; #define SYM_SYMBIOS_NVRAM (1) #define SYM_TEKRAM_NVRAM (2) #define SYM_PARISC_PDC (3) #if SYM_CONF_NVRAM_SUPPORT union { Symbios_nvram Symbios; Tekram_nvram Tekram; struct pdc_initiator parisc; } data; #endif }; #if SYM_CONF_NVRAM_SUPPORT void sym_nvram_setup_host(struct Scsi_Host *shost, struct sym_hcb *np, struct sym_nvram *nvram); void sym_nvram_setup_target (struct sym_tcb *tp, int target, struct sym_nvram *nvp); int sym_read_nvram (struct sym_device *np, struct sym_nvram *nvp); char *sym_nvram_type(struct sym_nvram *nvp); #else static inline void sym_nvram_setup_host(struct Scsi_Host *shost, struct sym_hcb *np, struct sym_nvram *nvram) { } static inline void sym_nvram_setup_target(struct sym_tcb *tp, struct sym_nvram *nvram) { } static inline int sym_read_nvram(struct sym_device *np, struct sym_nvram *nvp) { nvp->type = 0; return 0; } static inline char *sym_nvram_type(struct sym_nvram *nvp) { return "No NVRAM"; } #endif #endif /* SYM_NVRAM_H */