/* * Device driver for the SYMBIOS/LSILOGIC 53C8XX and 53C1010 family * of PCI-SCSI IO processors. * * Copyright (C) 1999-2001 Gerard Roudier * * 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 * Stefan Esser * Copyright (C) 1994 Wolfgang Stanglmeier * * Other major contributions: * * NVRAM detection and reading. * Copyright (C) 1997 Richard Waltham * *----------------------------------------------------------------------------- * * 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 #endif #include /* * 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 #define SYM53C8XX { \ name: "sym53c8xx", \ detect: sym53c8xx_detect, \ release: sym53c8xx_release, \ info: sym53c8xx_info, \ queuecommand: sym53c8xx_queue_command, \ use_new_eh_code: 1, \ 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. * Normal IO forced for alpha. * Forced to MMIO for sparc. */ #if defined(__alpha__) #define SYM_CONF_IOMAPPED #elif defined(__sparc__) #undef SYM_CONF_IOMAPPED /* #elif defined(__powerpc__) */ /* #define SYM_CONF_IOMAPPED */ /* #define SYM_OPT_NO_BUS_MEMORY_MAPPING */ #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 */