sys/dev/vmd/vmd.h

   1 /*-
   2  * SPDX-License-Identifier: BSD-2-Clause
   3  *
   4  * Copyright 2019 Cisco Systems, Inc.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  *
  28  * $FreeBSD$
  29  *
  30  */
  31
  32 #ifndef __VMD_PRIVATE_H__
  33 #define __VMD_PRIVATE_H__
  34
  35 struct vmd_irq_handler {
  36         TAILQ_ENTRY(vmd_irq_handler)    vmd_link;
  37         device_t                        vmd_child;
  38         driver_intr_t                   *vmd_intr;
  39         void                            *vmd_arg;
  40         int                             vmd_rid;
  41 };
  42
  43 struct vmd_irq {
  44         struct resource                 *vmd_res;
  45         int                             vmd_rid;
  46         void                            *vmd_handle;
  47         struct vmd_softc                *vmd_sc;
  48         int                             vmd_instance;
  49         TAILQ_HEAD(,vmd_irq_handler)    vmd_list;
  50 };
  51
  52 /*
  53  * VMD specific data.
  54  */
  55 struct vmd_softc
  56 {
  57         device_t                vmd_dev;
  58         device_t                vmd_child;
  59         uint32_t                vmd_flags;      /* flags */
  60 #define PCIB_SUBTRACTIVE        0x1
  61 #define PCIB_DISABLE_MSI        0x2
  62 #define PCIB_DISABLE_MSIX       0x4
  63 #define PCIB_ENABLE_ARI         0x8
  64 #define PCIB_HOTPLUG            0x10
  65 #define PCIB_HOTPLUG_CMD_PENDING 0x20
  66 #define PCIB_DETACH_PENDING     0x40
  67 #define PCIB_DETACHING          0x80
  68         u_int                   vmd_domain;     /* domain number */
  69         struct pcib_secbus      vmd_bus;        /* secondary bus numbers */
  70
  71 #define VMD_MAX_BAR         3
  72         struct resource         *vmd_regs_resource[VMD_MAX_BAR];
  73         int                     vmd_regs_rid[VMD_MAX_BAR];
  74         bus_space_handle_t      vmd_bhandle;
  75         bus_space_tag_t         vmd_btag;
  76         int                     vmd_io_rid;
  77         struct resource         *vmd_io_resource;
  78         void                    *vmd_intr;
  79         struct vmd_irq          *vmd_irq;
  80         int                     vmd_msix_count;
  81 #ifdef TASK_QUEUE_INTR
  82         struct taskqueue        *vmd_irq_tq;
  83         struct task             vmd_irq_task;
  84 #else
  85         struct mtx              vmd_irq_lock;
  86 #endif
  87 };
  88
  89 #endif