*
*-----------------------------------------------------------------------------
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
+ * 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.
*
- * Where this Software is combined with software released under the terms of
- * the GNU Public License ("GPL") and the terms of the GPL would require the
- * combined work to also be released under the terms of the GPL, the terms
- * and conditions of this License will apply in addition to those of the
- * GPL with the exception of any terms or conditions of this License that
- * conflict with, or are expressly prohibited by, the GPL.
+ * 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.
*
- * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
+ * 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>
-
-#ifdef CONFIG_SCSI_SYM53C8XX_IOMAPPED
-#define SYM_CONF_IOMAPPED
-#endif
/*
* DMA addressing mode.
*/
#if 1
#define SYM_LINUX_PROC_INFO_SUPPORT
-#define SYM_LINUX_BOOT_COMMAND_LINE_SUPPORT
#define SYM_LINUX_USER_COMMAND_SUPPORT
#define SYM_LINUX_USER_INFO_SUPPORT
#define SYM_LINUX_DEBUG_CONTROL_SUPPORT
u_char scsi_bus_check;
u_char host_id;
- u_char reverse_probe;
u_char verbose;
- u_short debug;
u_char settle_delay;
u_char use_nvram;
u_long excludes[8];
#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
-
-/* Always enable parity. */
-#define SYM_SETUP_PCI_PARITY 1
-#define SYM_SETUP_SCSI_PARITY 1
+#define boot_verbose sym_driver_setup.verbose
/*
* Initial setup.
.irq_mode = 0, \
.scsi_bus_check = 1, \
.host_id = 7, \
- .reverse_probe = 0, \
.verbose = 0, \
- .debug = 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
+
/*
- * Boot fail safe setup.
- *
- * Override initial setup from boot command line:
- * sym53c8xx=safe:y
+ * Max number of targets.
+ * Maximum is 16 and you are advised not to change this value.
*/
-#define SYM_LINUX_DRIVER_SAFE_SETUP { \
- .max_tag = 0, \
- .burst_order = 0, \
- .scsi_led = 0, \
- .scsi_diff = 1, \
- .irq_mode = 0, \
- .scsi_bus_check = 2, \
- .host_id = 7, \
- .reverse_probe = 0, \
- .verbose = 2, \
- .debug = 0, \
- .settle_delay = 10, \
- .use_nvram = 1, \
-}
+#ifndef SYM_CONF_MAX_TARGET
+#define SYM_CONF_MAX_TARGET (16)
+#endif
/*
- * This structure is initialized from linux config options.
- * It can be overridden at boot-up by the boot command line.
+ * 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.
*/
-#ifdef SYM_GLUE_C
-struct sym_driver_setup
- sym_driver_setup = SYM_LINUX_DRIVER_SETUP;
-#ifdef SYM_LINUX_DEBUG_CONTROL_SUPPORT
-u_int sym_debug_flags = 0;
+#ifndef SYM_CONF_MAX_LUN
+#define SYM_CONF_MAX_LUN (64)
#endif
-#else
-extern struct sym_driver_setup sym_driver_setup;
-#ifdef SYM_LINUX_DEBUG_CONTROL_SUPPORT
-extern u_int sym_debug_flags;
-#endif
-#endif /* SYM_GLUE_C */
-#ifdef SYM_LINUX_DEBUG_CONTROL_SUPPORT
-#define DEBUG_FLAGS sym_debug_flags
-#endif
-#define boot_verbose sym_driver_setup.verbose
+/*
+ * 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 */
git://git.onelab.eu / linux-2.6.git / blobdiff