2 * Device driver for the SYMBIOS/LSILOGIC 53C8XX and 53C1010 family
3 * of PCI-SCSI IO processors.
5 * Copyright (C) 1999-2001 Gerard Roudier <groudier@free.fr>
7 * This driver is derived from the Linux sym53c8xx driver.
8 * Copyright (C) 1998-2000 Gerard Roudier
10 * The sym53c8xx driver is derived from the ncr53c8xx driver that had been
11 * a port of the FreeBSD ncr driver to Linux-1.2.13.
13 * The original ncr driver has been written for 386bsd and FreeBSD by
14 * Wolfgang Stanglmeier <wolf@cologne.de>
15 * Stefan Esser <se@mi.Uni-Koeln.de>
16 * Copyright (C) 1994 Wolfgang Stanglmeier
18 * Other major contributions:
20 * NVRAM detection and reading.
21 * Copyright (C) 1997 Richard Waltham <dormouse@farsrobt.demon.co.uk>
23 *-----------------------------------------------------------------------------
25 * This program is free software; you can redistribute it and/or modify
26 * it under the terms of the GNU General Public License as published by
27 * the Free Software Foundation; either version 2 of the License, or
28 * (at your option) any later version.
30 * This program is distributed in the hope that it will be useful,
31 * but WITHOUT ANY WARRANTY; without even the implied warranty of
32 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
33 * GNU General Public License for more details.
35 * You should have received a copy of the GNU General Public License
36 * along with this program; if not, write to the Free Software
37 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
43 #include <linux/config.h>
45 #ifdef CONFIG_SCSI_SYM53C8XX_IOMAPPED
46 #define SYM_CONF_IOMAPPED
50 * DMA addressing mode.
52 * 0 : 32 bit addressing for all chips.
53 * 1 : 40 bit addressing when supported by chip.
54 * 2 : 64 bit addressing when supported by chip,
55 * limited to 16 segments of 4 GB -> 64 GB max.
57 #define SYM_CONF_DMA_ADDRESSING_MODE CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE
63 #define SYM_CONF_NVRAM_SUPPORT (1)
67 * These options are not tunable from 'make config'
70 #define SYM_LINUX_PROC_INFO_SUPPORT
71 #define SYM_LINUX_USER_COMMAND_SUPPORT
72 #define SYM_LINUX_USER_INFO_SUPPORT
73 #define SYM_LINUX_DEBUG_CONTROL_SUPPORT
77 * Also handle old NCR chips if not (0).
79 #define SYM_CONF_GENERIC_SUPPORT (1)
82 * Allow tags from 2 to 256, default 8
84 #ifndef CONFIG_SCSI_SYM53C8XX_MAX_TAGS
85 #define CONFIG_SCSI_SYM53C8XX_MAX_TAGS (8)
88 #if CONFIG_SCSI_SYM53C8XX_MAX_TAGS < 2
89 #define SYM_CONF_MAX_TAG (2)
90 #elif CONFIG_SCSI_SYM53C8XX_MAX_TAGS > 256
91 #define SYM_CONF_MAX_TAG (256)
93 #define SYM_CONF_MAX_TAG CONFIG_SCSI_SYM53C8XX_MAX_TAGS
96 #ifndef CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS
97 #define CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS SYM_CONF_MAX_TAG
101 * Anyway, we configure the driver for at least 64 tags per LUN. :)
103 #if SYM_CONF_MAX_TAG <= 64
104 #define SYM_CONF_MAX_TAG_ORDER (6)
105 #elif SYM_CONF_MAX_TAG <= 128
106 #define SYM_CONF_MAX_TAG_ORDER (7)
108 #define SYM_CONF_MAX_TAG_ORDER (8)
112 * Max number of SG entries.
114 #define SYM_CONF_MAX_SG (96)
117 * Driver setup structure.
119 * This structure is initialized from linux config options.
120 * It can be overridden at boot-up by the boot command line.
122 struct sym_driver_setup {
128 u_char scsi_bus_check;
138 #define SYM_SETUP_MAX_TAG sym_driver_setup.max_tag
139 #define SYM_SETUP_BURST_ORDER sym_driver_setup.burst_order
140 #define SYM_SETUP_SCSI_LED sym_driver_setup.scsi_led
141 #define SYM_SETUP_SCSI_DIFF sym_driver_setup.scsi_diff
142 #define SYM_SETUP_IRQ_MODE sym_driver_setup.irq_mode
143 #define SYM_SETUP_SCSI_BUS_CHECK sym_driver_setup.scsi_bus_check
144 #define SYM_SETUP_HOST_ID sym_driver_setup.host_id
145 #define boot_verbose sym_driver_setup.verbose
147 /* Always enable parity. */
148 #define SYM_SETUP_PCI_PARITY 1
149 #define SYM_SETUP_SCSI_PARITY 1
154 * Can be overriden at startup by a command line.
156 #define SYM_LINUX_DRIVER_SETUP { \
157 .max_tag = CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS, \
162 .scsi_bus_check = 1, \
169 extern struct sym_driver_setup sym_driver_setup;
170 extern unsigned int sym_debug_flags;
171 #define DEBUG_FLAGS sym_debug_flags
173 #endif /* SYM53C8XX_H */