cfi_var.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-3-Clause
    3  *
    4  * Copyright (c) 2007, Juniper Networks, Inc.
    5  * Copyright (c) 2012-2013, SRI International
    6  * All rights reserved.
    7  *
    8  * Portions of this software were developed by SRI International and the
    9  * University of Cambridge Computer Laboratory under DARPA/AFRL contract
   10  * (FA8750-10-C-0237) ("CTSRD"), as part of the DARPA CRASH research
   11  * programme.
   12  *
   13  * Redistribution and use in source and binary forms, with or without
   14  * modification, are permitted provided that the following conditions
   15  * are met:
   16  * 1. Redistributions of source code must retain the above copyright
   17  *    notice, this list of conditions and the following disclaimer.
   18  * 2. Redistributions in binary form must reproduce the above copyright
   19  *    notice, this list of conditions and the following disclaimer in the
   20  *    documentation and/or other materials provided with the distribution.
   21  * 3. Neither the name of the author nor the names of any co-contributors
   22  *    may be used to endorse or promote products derived from this software
   23  *    without specific prior written permission.
   24  *
   25  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   26  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   27  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   28  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   29  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
   30  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   31  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
   32  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   33  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   35  * SUCH DAMAGE.
   36  *
   37  * $FreeBSD$
   38  */
   39 
   40 #ifndef _DEV_CFI_VAR_H_
   41 #define _DEV_CFI_VAR_H_
   42 
   43 enum cfi_wait_cmd {
   44         CFI_TIMEOUT_ERASE,
   45         CFI_TIMEOUT_WRITE,
   46         CFI_TIMEOUT_BUFWRITE
   47 };
   48 
   49 struct cfi_region {
   50         u_int           r_blocks;
   51         u_int           r_blksz;
   52 };
   53 
   54 struct cfi_softc {
   55         device_t        sc_dev;
   56 
   57         struct resource *sc_res;
   58         bus_space_handle_t sc_handle;
   59         bus_space_tag_t sc_tag;
   60         int             sc_rid;
   61 
   62         u_int           sc_size;        /* Flash size. */
   63         u_int           sc_width;       /* Interface width. */
   64         u_int           sc_regions;     /* Erase regions. */
   65         struct cfi_region *sc_region;   /* Array of region info. */
   66 
   67         u_int           sc_cmdset;
   68         sbintime_t      sc_typical_timeouts[3];
   69         sbintime_t      sc_max_timeouts[3];
   70         u_int           sc_tto_counts[3];
   71         u_int           sc_mto_counts[3];
   72 
   73         u_int           sc_maxbuf;
   74 
   75         struct cdev     *sc_nod;
   76         struct proc     *sc_opened;     /* Process that has us opened. */
   77 
   78         u_char          *sc_wrbuf;
   79         u_char          *sc_wrbufcpy;
   80         u_int           sc_wrbufsz;
   81         u_int           sc_wrofs;
   82         u_int           sc_writing;
   83 
   84         u_int           sc_manid;
   85         u_int           sc_devid;
   86 };
   87 
   88 extern char cfi_driver_name[];
   89 
   90 int cfi_probe(device_t);
   91 int cfi_attach(device_t);
   92 int cfi_detach(device_t);
   93 
   94 uint32_t cfi_read_raw(struct cfi_softc *, u_int);
   95 uint32_t cfi_read(struct cfi_softc *, u_int);
   96 uint8_t cfi_read_qry(struct cfi_softc *, u_int);
   97 int cfi_write_block(struct cfi_softc *);
   98 int cfi_block_start(struct cfi_softc *, u_int);
   99 int cfi_block_finish(struct cfi_softc *);
  100 
  101 #ifdef CFI_SUPPORT_STRATAFLASH
  102 int     cfi_intel_get_factory_pr(struct cfi_softc *sc, uint64_t *);
  103 int     cfi_intel_get_oem_pr(struct cfi_softc *sc, uint64_t *);
  104 int     cfi_intel_set_oem_pr(struct cfi_softc *sc, uint64_t);
  105 int     cfi_intel_get_plr(struct cfi_softc *sc, uint32_t *);
  106 int     cfi_intel_set_plr(struct cfi_softc *sc);
  107 #endif /* CFI_SUPPORT_STRATAFLASH */
  108 #endif /* _DEV_CFI_VAR_H_ */

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

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