1 files changed, 217 insertions, 0 deletions

diff --git a/drivers/scsi/sym53c8xx_2/sym53c8xx.h b/drivers/scsi/sym53c8xx_2/sym53c8xx.h
new file mode 100644
index 000000000000..481103769729
--- /dev/null
+++ b/drivers/scsi/sym53c8xx_2/sym53c8xx.h
@@ -0,0 +1,217 @@
+/*
+ * 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 SYM53C8XX_H
+#define SYM53C8XX_H
+
+#include <linux/config.h>
+
+/*
+ *  DMA addressing mode.
+ *
+ *  0 : 32 bit addressing for all chips.
+ *  1 : 40 bit addressing when supported by chip.
+ *  2 : 64 bit addressing when supported by chip,
+ *      limited to 16 segments of 4 GB -> 64 GB max.
+ */
+#define SYM_CONF_DMA_ADDRESSING_MODE CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE
+
+/*
+ *  NVRAM support.
+ */
+#if 1
+#define SYM_CONF_NVRAM_SUPPORT          (1)
+#endif
+
+/*
+ *  These options are not tunable from 'make config'
+ */
+#if 1
+#define SYM_LINUX_PROC_INFO_SUPPORT
+#define SYM_LINUX_USER_COMMAND_SUPPORT
+#define SYM_LINUX_USER_INFO_SUPPORT
+#define SYM_LINUX_DEBUG_CONTROL_SUPPORT
+#endif
+
+/*
+ *  Also handle old NCR chips if not (0).
+ */
+#define SYM_CONF_GENERIC_SUPPORT        (1)
+
+/*
+ *  Allow tags from 2 to 256, default 8
+ */
+#ifndef CONFIG_SCSI_SYM53C8XX_MAX_TAGS
+#define CONFIG_SCSI_SYM53C8XX_MAX_TAGS  (8)
+#endif
+
+#if     CONFIG_SCSI_SYM53C8XX_MAX_TAGS < 2
+#define SYM_CONF_MAX_TAG        (2)
+#elif   CONFIG_SCSI_SYM53C8XX_MAX_TAGS > 256
+#define SYM_CONF_MAX_TAG        (256)
+#else
+#define SYM_CONF_MAX_TAG        CONFIG_SCSI_SYM53C8XX_MAX_TAGS
+#endif
+
+#ifndef CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS
+#define CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS      SYM_CONF_MAX_TAG
+#endif
+
+/*
+ *  Anyway, we configure the driver for at least 64 tags per LUN. :)
+ */
+#if     SYM_CONF_MAX_TAG <= 64
+#define SYM_CONF_MAX_TAG_ORDER  (6)
+#elif   SYM_CONF_MAX_TAG <= 128
+#define SYM_CONF_MAX_TAG_ORDER  (7)
+#else
+#define SYM_CONF_MAX_TAG_ORDER  (8)
+#endif
+
+/*
+ *  Max number of SG entries.
+ */
+#define SYM_CONF_MAX_SG         (96)
+
+/*
+ *  Driver setup structure.
+ *
+ *  This structure is initialized from linux config options.
+ *  It can be overridden at boot-up by the boot command line.
+ */
+struct sym_driver_setup {
+        u_short max_tag;
+        u_char  burst_order;
+        u_char  scsi_led;
+        u_char  scsi_diff;
+        u_char  irq_mode;
+        u_char  scsi_bus_check;
+        u_char  host_id;
+
+        u_char  verbose;
+        u_char  settle_delay;
+        u_char  use_nvram;
+        u_long  excludes[8];
+        char    tag_ctrl[100];
+};
+
+#define SYM_SETUP_MAX_TAG               sym_driver_setup.max_tag
+#define SYM_SETUP_BURST_ORDER           sym_driver_setup.burst_order
+#define SYM_SETUP_SCSI_LED              sym_driver_setup.scsi_led
+#define SYM_SETUP_SCSI_DIFF             sym_driver_setup.scsi_diff
+#define SYM_SETUP_IRQ_MODE              sym_driver_setup.irq_mode
+#define SYM_SETUP_SCSI_BUS_CHECK        sym_driver_setup.scsi_bus_check
+#define SYM_SETUP_HOST_ID               sym_driver_setup.host_id
+#define boot_verbose                    sym_driver_setup.verbose
+
+/*
+ *  Initial setup.
+ *
+ *  Can be overriden at startup by a command line.
+ */
+#define SYM_LINUX_DRIVER_SETUP  {                               \
+        .max_tag        = CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS,   \
+        .burst_order    = 7,                                    \
+        .scsi_led       = 1,                                    \
+        .scsi_diff      = 1,                                    \
+        .irq_mode       = 0,                                    \
+        .scsi_bus_check = 1,                                    \
+        .host_id        = 7,                                    \
+        .verbose        = 0,                                    \
+        .settle_delay   = 3,                                    \
+        .use_nvram      = 1,                                    \
+}
+
+extern struct sym_driver_setup sym_driver_setup;
+extern unsigned int sym_debug_flags;
+#define DEBUG_FLAGS     sym_debug_flags
+
+/*
+ *  Max number of targets.
+ *  Maximum is 16 and you are advised not to change this value.
+ */
+#ifndef SYM_CONF_MAX_TARGET
+#define SYM_CONF_MAX_TARGET     (16)
+#endif
+
+/*
+ *  Max number of logical units.
+ *  SPI-2 allows up to 64 logical units, but in real life, target
+ *  that implements more that 7 logical units are pretty rare.
+ *  Anyway, the cost of accepting up to 64 logical unit is low in 
+ *  this driver, thus going with the maximum is acceptable.
+ */
+#ifndef SYM_CONF_MAX_LUN
+#define SYM_CONF_MAX_LUN        (64)
+#endif
+
+/*
+ *  Max number of IO control blocks queued to the controller.
+ *  Each entry needs 8 bytes and the queues are allocated contiguously.
+ *  Since we donnot want to allocate more than a page, the theorical 
+ *  maximum is PAGE_SIZE/8. For safety, we announce a bit less to the 
+ *  access method. :)
+ *  When not supplied, as it is suggested, the driver compute some 
+ *  good value for this parameter.
+ */
+/* #define SYM_CONF_MAX_START   (PAGE_SIZE/8 - 16) */
+
+/*
+ *  Support for Immediate Arbitration.
+ *  Not advised.
+ */
+/* #define SYM_CONF_IARB_SUPPORT */
+
+/*
+ *  Only relevant if IARB support configured.
+ *  - Max number of successive settings of IARB hints.
+ *  - Set IARB on arbitration lost.
+ */
+#define SYM_CONF_IARB_MAX 3
+#define SYM_CONF_SET_IARB_ON_ARB_LOST 1
+
+/*
+ *  Returning wrong residuals may make problems.
+ *  When zero, this define tells the driver to 
+ *  always return 0 as transfer residual.
+ *  Btw, all my testings of residuals have succeeded.
+ */
+#define SYM_SETUP_RESIDUAL_SUPPORT 1
+
+#endif /* SYM53C8XX_H */