215 lines
6.2 KiB
C
215 lines
6.2 KiB
C
/*
|
|
* Device driver for the SYMBIOS/LSILOGIC 53C8XX and 53C1010 family
|
|
* of PCI-SCSI IO processors.
|
|
*
|
|
* Copyright (C) 1999-2001 Gerard Roudier <groudier@free.fr>
|
|
*
|
|
* 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 <wolf@cologne.de>
|
|
* Stefan Esser <se@mi.Uni-Koeln.de>
|
|
* Copyright (C) 1994 Wolfgang Stanglmeier
|
|
*
|
|
* Other major contributions:
|
|
*
|
|
* NVRAM detection and reading.
|
|
* Copyright (C) 1997 Richard Waltham <dormouse@farsrobt.demon.co.uk>
|
|
*
|
|
*-----------------------------------------------------------------------------
|
|
*
|
|
* 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 */
|