drivers/soc/fsl/qbman/bman_priv.h

   1 /* Copyright 2008 - 2016 Freescale Semiconductor, Inc.
   2  *
   3  * Redistribution and use in source and binary forms, with or without
   4  * modification, are permitted provided that the following conditions are met:
   5  *     * Redistributions of source code must retain the above copyright
   6  *       notice, this list of conditions and the following disclaimer.
   7  *     * Redistributions in binary form must reproduce the above copyright
   8  *       notice, this list of conditions and the following disclaimer in the
   9  *       documentation and/or other materials provided with the distribution.
  10  *     * Neither the name of Freescale Semiconductor nor the
  11  *       names of its contributors may be used to endorse or promote products
  12  *       derived from this software without specific prior written permission.
  13  *
  14  * ALTERNATIVELY, this software may be distributed under the terms of the
  15  * GNU General Public License ("GPL") as published by the Free Software
  16  * Foundation, either version 2 of that License or (at your option) any
  17  * later version.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
  20  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  22  * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
  23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  26  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  28  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  32
  33 #include "dpaa_sys.h"
  34
  35 #include <soc/fsl/bman.h>
  36
  37 /* Portal processing (interrupt) sources */
  38 #define BM_PIRQ_RCRI    0x00000002      /* RCR Ring (below threshold) */
  39
  40 /* Revision info (for errata and feature handling) */
  41 #define BMAN_REV10 0x0100
  42 #define BMAN_REV20 0x0200
  43 #define BMAN_REV21 0x0201
  44 extern u16 bman_ip_rev; /* 0 if uninitialised, otherwise BMAN_REVx */
  45
  46 extern struct gen_pool *bm_bpalloc;
  47
  48 struct bm_portal_config {
  49         /* Portal addresses */
  50         void  *addr_virt_ce;
  51         void __iomem *addr_virt_ci;
  52         /* Allow these to be joined in lists */
  53         struct list_head list;
  54         struct device *dev;
  55         /* User-visible portal configuration settings */
  56         /* portal is affined to this cpu */
  57         int cpu;
  58         /* portal interrupt line */
  59         int irq;
  60 };
  61
  62 struct bman_portal *bman_create_affine_portal(
  63                         const struct bm_portal_config *config);
  64 /*
  65  * The below bman_p_***() variant might be called in a situation that the cpu
  66  * which the portal affine to is not online yet.
  67  * @bman_portal specifies which portal the API will use.
  68  */
  69 int bman_p_irqsource_add(struct bman_portal *p, u32 bits);
  70
  71 /*
  72  * Used by all portal interrupt registers except 'inhibit'
  73  * This mask contains all the "irqsource" bits visible to API users
  74  */
  75 #define BM_PIRQ_VISIBLE BM_PIRQ_RCRI
  76
  77 const struct bm_portal_config *
  78 bman_get_bm_portal_config(const struct bman_portal *portal);
  79
  80 int bman_requires_cleanup(void);
  81 void bman_done_cleanup(void);
  82
  83 int bm_shutdown_pool(u32 bpid);