FreeBSD/Linux Kernel Cross Reference
sys/dev/cfi/cfi_var.h

     /*-
      * Copyright (c) 2007, Juniper Networks, Inc.
      * Copyright (c) 2012-2013, SRI International
      * All rights reserved.
      *
      * Portions of this software were developed by SRI International and the
      * University of Cambridge Computer Laboratory under DARPA/AFRL contract
      * (FA8750-10-C-0237) ("CTSRD"), as part of the DARPA CRASH research
      * programme.
     *
     * 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. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. Neither the name of the author nor the names of any co-contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
     *
     * $FreeBSD: releng/10.3/sys/dev/cfi/cfi_var.h 255207 2013-09-04 17:19:21Z brooks $
     */
    
    #ifndef _DEV_CFI_VAR_H_
    #define _DEV_CFI_VAR_H_
    
    enum cfi_wait_cmd {
            CFI_TIMEOUT_ERASE,
            CFI_TIMEOUT_WRITE,
            CFI_TIMEOUT_BUFWRITE
    };
    
    struct cfi_region {
            u_int           r_blocks;
            u_int           r_blksz;
    };
    
    struct cfi_softc {
            device_t        sc_dev;
    
            struct resource *sc_res;
            bus_space_handle_t sc_handle;
            bus_space_tag_t sc_tag;
            int             sc_rid;
    
            u_int           sc_size;        /* Flash size. */
            u_int           sc_width;       /* Interface width. */
            u_int           sc_regions;     /* Erase regions. */
            struct cfi_region *sc_region;   /* Array of region info. */
    
            u_int           sc_cmdset;
            sbintime_t      sc_typical_timeouts[3];
            sbintime_t      sc_max_timeouts[3];
            u_int           sc_tto_counts[3];
            u_int           sc_mto_counts[3];
    
            u_int           sc_maxbuf;
    
            struct cdev     *sc_nod;
            struct proc     *sc_opened;     /* Process that has us opened. */
    
            u_char          *sc_wrbuf;
            u_char          *sc_wrbufcpy;
            u_int           sc_wrbufsz;
            u_int           sc_wrofs;
            u_int           sc_writing;
    };
    
    extern char cfi_driver_name[];
    extern devclass_t cfi_devclass;
    extern devclass_t cfi_diskclass;
    
    int cfi_probe(device_t);
    int cfi_attach(device_t);
    int cfi_detach(device_t);
    
    uint32_t cfi_read_raw(struct cfi_softc *, u_int);
    uint32_t cfi_read(struct cfi_softc *, u_int);
    uint8_t cfi_read_qry(struct cfi_softc *, u_int);
    int cfi_write_block(struct cfi_softc *);
    int cfi_block_start(struct cfi_softc *, u_int);
    int cfi_block_finish(struct cfi_softc *);
    
    #ifdef CFI_SUPPORT_STRATAFLASH
    int     cfi_intel_get_factory_pr(struct cfi_softc *sc, uint64_t *);
   int     cfi_intel_get_oem_pr(struct cfi_softc *sc, uint64_t *);
   int     cfi_intel_set_oem_pr(struct cfi_softc *sc, uint64_t);
   int     cfi_intel_get_plr(struct cfi_softc *sc, uint32_t *);
   int     cfi_intel_set_plr(struct cfi_softc *sc);
   #endif /* CFI_SUPPORT_STRATAFLASH */
   #endif /* _DEV_CFI_VAR_H_ */

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