#ifndef SYM53C8XX_H
#define SYM53C8XX_H
-#include <linux/config.h>
-
-#ifdef CONFIG_SCSI_SYM53C8XX_IOMAPPED
-#define SYM_CONF_IOMAPPED
-#endif
/*
* DMA addressing mode.
#define SYM_SETUP_HOST_ID sym_driver_setup.host_id
#define boot_verbose sym_driver_setup.verbose
-/* Always enable parity. */
-#define SYM_SETUP_PCI_PARITY 1
-#define SYM_SETUP_SCSI_PARITY 1
-
/*
* Initial 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 */