| /* |
| * 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 SYM_CONF_H |
| #define SYM_CONF_H |
| |
| #include "sym53c8xx.h" |
| |
| /* |
| * 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 |
| |
| /* |
| * Supported maximum number of LUNs to announce to |
| * the access method. |
| * The driver supports up to 64 LUNs per target as |
| * required by SPI-2/SPI-3. However some SCSI devices |
| * designed prior to these specifications or not being |
| * conformant may be highly confused when they are |
| * asked about a LUN > 7. |
| */ |
| #ifndef SYM_SETUP_MAX_LUN |
| #define SYM_SETUP_MAX_LUN (8) |
| #endif |
| |
| #endif /* SYM_CONF_H */ |