vserver 2.0 rc7

[linux-2.6.git] / drivers / scsi / sym53c8xx_2 / sym53c8xx.h

diff --git a/drivers/scsi/sym53c8xx_2/sym53c8xx.h b/drivers/scsi/sym53c8xx_2/sym53c8xx.h
index 6bc75a3..4811037 100644 (file)
--- a/drivers/scsi/sym53c8xx_2/sym53c8xx.h
+++ b/drivers/scsi/sym53c8xx_2/sym53c8xx.h
@@ -42,10 +42,6 @@
 
 #include <linux/config.h>
 
-#ifdef CONFIG_SCSI_SYM53C8XX_IOMAPPED
-#define        SYM_CONF_IOMAPPED
-#endif
-
 /*
  *  DMA addressing mode.
  *
@@ -144,10 +140,6 @@ struct sym_driver_setup {
 #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.
  *
@@ -170,4 +162,56 @@ 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 */