| /* |
| * 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> |
| * |
| *----------------------------------------------------------------------------- |
| * |
| * 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. |
| * |
| * 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 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. |
| */ |
| |
| #ifndef SYM53C8XX_H |
| #define SYM53C8XX_H |
| |
| #if !defined(LINUX_VERSION_CODE) |
| #include <linux/version.h> |
| #endif |
| #include <linux/config.h> |
| |
| /* |
| * Compatibility with ncr53c8xx and sym53c8xx configuration options. |
| */ |
| #ifndef CONFIG_SCSI_SYM53C8XX_IOMAPPED |
| #ifdef CONFIG_SCSI_NCR53C8XX_IOMAPPED |
| #define CONFIG_SCSI_SYM53C8XX_IOMAPPED CONFIG_SCSI_NCR53C8XX_IOMAPPED |
| #endif |
| #endif |
| |
| #ifndef CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS |
| #ifdef CONFIG_SCSI_NCR53C8XX_DEFAULT_TAGS |
| #define CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS CONFIG_SCSI_NCR53C8XX_DEFAULT_TAGS |
| #endif |
| #endif |
| |
| #ifndef CONFIG_SCSI_SYM53C8XX_MAX_TAGS |
| #ifdef CONFIG_SCSI_NCR53C8XX_MAX_TAGS |
| #define CONFIG_SCSI_SYM53C8XX_MAX_TAGS CONFIG_SCSI_NCR53C8XX_MAX_TAGS |
| #endif |
| #endif |
| |
| int sym53c8xx_detect(Scsi_Host_Template *tpnt); |
| const char *sym53c8xx_info(struct Scsi_Host *host); |
| |
| int sym53c8xx_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); |
| |
| int sym53c8xx_eh_abort_handler(Scsi_Cmnd *); |
| int sym53c8xx_eh_device_reset_handler(Scsi_Cmnd *); |
| int sym53c8xx_eh_bus_reset_handler(Scsi_Cmnd *); |
| int sym53c8xx_eh_host_reset_handler(Scsi_Cmnd *); |
| |
| #ifdef MODULE |
| int sym53c8xx_release(struct Scsi_Host *); |
| #else |
| #define sym53c8xx_release NULL |
| #endif |
| |
| |
| /* |
| * Host template defintion |
| */ |
| #if (LINUX_VERSION_CODE >= 0x020400) || defined(HOSTS_C) || defined(MODULE) |
| |
| #include <scsi/scsicam.h> |
| |
| #define SYM53C8XX { \ |
| name: "sym53c8xx", \ |
| detect: sym53c8xx_detect, \ |
| release: sym53c8xx_release, \ |
| info: sym53c8xx_info, \ |
| queuecommand: sym53c8xx_queue_command, \ |
| eh_abort_handler: sym53c8xx_eh_abort_handler, \ |
| eh_device_reset_handler:sym53c8xx_eh_device_reset_handler, \ |
| eh_bus_reset_handler: sym53c8xx_eh_bus_reset_handler, \ |
| eh_host_reset_handler: sym53c8xx_eh_host_reset_handler, \ |
| bios_param: scsicam_bios_param, \ |
| can_queue: 0, \ |
| this_id: 7, \ |
| sg_tablesize: 0, \ |
| cmd_per_lun: 0, \ |
| use_clustering: DISABLE_CLUSTERING, \ |
| highmem_io: 1} |
| |
| #endif /* defined(HOSTS_C) || defined(MODULE) */ |
| |
| /* |
| * Translate kernel configuration parameters |
| * into corresponding driver parameters. |
| */ |
| #if !defined(HOSTS_C) |
| |
| /* |
| * Use normal IO if configured. Forced for alpha and powerpc. |
| * Powerpc fails copying to on-chip RAM using memcpy_toio(). |
| * Forced to MMIO for sparc. |
| */ |
| #if defined(__alpha__) |
| #define SYM_CONF_IOMAPPED |
| #elif defined(__powerpc__) |
| #define SYM_CONF_IOMAPPED |
| #define SYM_OPT_NO_BUS_MEMORY_MAPPING |
| #elif defined(__sparc__) |
| #undef SYM_CONF_IOMAPPED |
| #elif defined(CONFIG_SCSI_SYM53C8XX_IOMAPPED) |
| #define SYM_CONF_IOMAPPED |
| #endif |
| |
| /* |
| * 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. |
| */ |
| #ifdef CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE |
| #define SYM_CONF_DMA_ADDRESSING_MODE CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE |
| #endif |
| |
| /* |
| * NCR PQS/PDS special device support. |
| */ |
| #if 1 |
| #define SYM_CONF_PQS_PDS_SUPPORT |
| #endif |
| |
| /* |
| * NVRAM support. |
| */ |
| #if 1 |
| #define SYM_CONF_NVRAM_SUPPORT (1) |
| #define SYM_SETUP_SYMBIOS_NVRAM (1) |
| #define SYM_SETUP_TEKRAM_NVRAM (1) |
| #endif |
| |
| /* |
| * These options are not tunable from 'make config' |
| */ |
| #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 |
| #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 |
| |
| /* |
| * Sync transfer frequency at startup. |
| * Allow up to ULTRA-160. The driver will scale the value |
| * according to controller capabilities. |
| */ |
| #define CONFIG_SCSI_SYM53C8XX_DEFAULT_SYNC (9) |
| |
| /* |
| * Max number of SG entries. |
| */ |
| #define SYM_CONF_MAX_SG (96) |
| |
| /* |
| * Max number of LUNs per target. |
| */ |
| #if 1 /* defined CONFIG_SCSI_MULTI_LUN */ |
| #define CONFIG_SCSI_SYM53C8XX_MAX_LUN (16) |
| #else |
| #define CONFIG_SCSI_SYM53C8XX_MAX_LUN (1) |
| #endif |
| |
| /* |
| * 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_char pci_parity; |
| u_char scsi_parity; |
| u_short max_tag; |
| u_char min_sync; |
| u_char burst_order; |
| u_char scsi_led; |
| u_char max_wide; |
| u_char scsi_diff; |
| u_char irq_mode; |
| u_char scsi_bus_check; |
| u_char host_id; |
| u_char max_offs; |
| u_char max_lun; |
| u_char pci_fix_up; |
| |
| u_char reverse_probe; |
| u_char verbose; |
| u_short debug; |
| u_char settle_delay; |
| u_char use_nvram; |
| u_long excludes[8]; |
| char tag_ctrl[100]; |
| }; |
| |
| #define SYM_SETUP_PCI_PARITY sym_driver_setup.pci_parity |
| #define SYM_SETUP_SCSI_PARITY sym_driver_setup.scsi_parity |
| #define SYM_SETUP_MAX_TAG sym_driver_setup.max_tag |
| #define SYM_SETUP_MIN_SYNC sym_driver_setup.min_sync |
| #define SYM_SETUP_BURST_ORDER sym_driver_setup.burst_order |
| #define SYM_SETUP_SCSI_LED sym_driver_setup.scsi_led |
| #define SYM_SETUP_MAX_WIDE sym_driver_setup.max_wide |
| #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 SYM_SETUP_MAX_OFFS sym_driver_setup.max_offs |
| #define SYM_SETUP_MAX_LUN sym_driver_setup.max_lun |
| #define SYM_SETUP_PCI_FIX_UP sym_driver_setup.pci_fix_up |
| |
| /* |
| * Initial setup. |
| * |
| * Can be overriden at startup by a command line. |
| */ |
| #define SYM_LINUX_DRIVER_SETUP \ |
| { \ |
| 1, /* pci_parity */ \ |
| 1, /* scsi_parity */ \ |
| CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS, \ |
| CONFIG_SCSI_SYM53C8XX_DEFAULT_SYNC, \ |
| 7, /* burst_order */ \ |
| 1, /* scsi_led */ \ |
| 1, /* max_wide */ \ |
| 1, /* scsi_diff */ \ |
| 0, /* irq_mode */ \ |
| 1, /* scsi_bus_check */ \ |
| 7, /* host_id */ \ |
| 62, /* max_offs */ \ |
| CONFIG_SCSI_SYM53C8XX_MAX_LUN, \ |
| 3, /* pci_fix_up */ \ |
| 0, /* reverse_probe */ \ |
| 0, /* verbose */ \ |
| 0, /* debug */ \ |
| 3, /* settle_delay */ \ |
| 1, /* use_nvram */ \ |
| } |
| |
| /* |
| * Boot fail safe setup. |
| * |
| * Override initial setup from boot command line: |
| * sym53c8xx=safe:y |
| */ |
| #define SYM_LINUX_DRIVER_SAFE_SETUP \ |
| { \ |
| 0, /* pci_parity */ \ |
| 0, /* scsi_parity */ \ |
| 0, /* max_tag */ \ |
| 50, /* min_sync */ \ |
| 0, /* burst_order */ \ |
| 0, /* scsi_led */ \ |
| 1, /* max_wide */ \ |
| 1, /* scsi_diff */ \ |
| 0, /* irq_mode */ \ |
| 2, /* scsi_bus_check */ \ |
| 7, /* host_id */ \ |
| 15, /* max_offs */ \ |
| 1, /* max_lun */ \ |
| 0, /* pci_fix_up */ \ |
| 0, /* reverse_probe */ \ |
| 2, /* verbose */ \ |
| 0, /* debug */ \ |
| 10, /* settle_delay */ \ |
| 1, /* use_nvram */ \ |
| } |
| |
| /* |
| * This structure is initialized from linux config options. |
| * It can be overridden at boot-up by the boot command line. |
| */ |
| #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; |
| #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 |
| |
| #endif /* !defined(HOSTS_C) */ |
| |
| #endif /* SYM53C8XX_H */ |
