drivers/crypto/qat/qat_c3xxxvf/adf_c3xxxvf_hw_data.c

   1 /*
   2   This file is provided under a dual BSD/GPLv2 license.  When using or
   3   redistributing this file, you may do so under either license.
   4
   5   GPL LICENSE SUMMARY
   6   Copyright(c) 2015 Intel Corporation.
   7   This program is free software; you can redistribute it and/or modify
   8   it under the terms of version 2 of the GNU General Public License as
   9   published by the Free Software Foundation.
  10
  11   This program is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14   General Public License for more details.
  15
  16   Contact Information:
  17   qat-linux@intel.com
  18
  19   BSD LICENSE
  20   Copyright(c) 2015 Intel Corporation.
  21   Redistribution and use in source and binary forms, with or without
  22   modification, are permitted provided that the following conditions
  23   are met:
  24
  25     * Redistributions of source code must retain the above copyright
  26       notice, this list of conditions and the following disclaimer.
  27     * Redistributions in binary form must reproduce the above copyright
  28       notice, this list of conditions and the following disclaimer in
  29       the documentation and/or other materials provided with the
  30       distribution.
  31     * Neither the name of Intel Corporation nor the names of its
  32       contributors may be used to endorse or promote products derived
  33       from this software without specific prior written permission.
  34
  35   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  36   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  37   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  38   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  39   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  40   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  41   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  42   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  43   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  44   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  45   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  46 */
  47 #include <adf_accel_devices.h>
  48 #include <adf_pf2vf_msg.h>
  49 #include <adf_common_drv.h>
  50 #include "adf_c3xxxvf_hw_data.h"
  51
  52 static struct adf_hw_device_class c3xxxiov_class = {
  53         .name = ADF_C3XXXVF_DEVICE_NAME,
  54         .type = DEV_C3XXXVF,
  55         .instances = 0
  56 };
  57
  58 static u32 get_accel_mask(u32 fuse)
  59 {
  60         return ADF_C3XXXIOV_ACCELERATORS_MASK;
  61 }
  62
  63 static u32 get_ae_mask(u32 fuse)
  64 {
  65         return ADF_C3XXXIOV_ACCELENGINES_MASK;
  66 }
  67
  68 static u32 get_num_accels(struct adf_hw_device_data *self)
  69 {
  70         return ADF_C3XXXIOV_MAX_ACCELERATORS;
  71 }
  72
  73 static u32 get_num_aes(struct adf_hw_device_data *self)
  74 {
  75         return ADF_C3XXXIOV_MAX_ACCELENGINES;
  76 }
  77
  78 static u32 get_misc_bar_id(struct adf_hw_device_data *self)
  79 {
  80         return ADF_C3XXXIOV_PMISC_BAR;
  81 }
  82
  83 static u32 get_etr_bar_id(struct adf_hw_device_data *self)
  84 {
  85         return ADF_C3XXXIOV_ETR_BAR;
  86 }
  87
  88 static enum dev_sku_info get_sku(struct adf_hw_device_data *self)
  89 {
  90         return DEV_SKU_VF;
  91 }
  92
  93 static u32 get_pf2vf_offset(u32 i)
  94 {
  95         return ADF_C3XXXIOV_PF2VF_OFFSET;
  96 }
  97
  98 static u32 get_vintmsk_offset(u32 i)
  99 {
 100         return ADF_C3XXXIOV_VINTMSK_OFFSET;
 101 }
 102
 103 static int adf_vf_int_noop(struct adf_accel_dev *accel_dev)
 104 {
 105         return 0;
 106 }
 107
 108 static void adf_vf_void_noop(struct adf_accel_dev *accel_dev)
 109 {
 110 }
 111
 112 static int adf_vf2pf_init(struct adf_accel_dev *accel_dev)
 113 {
 114         u32 msg = (ADF_VF2PF_MSGORIGIN_SYSTEM |
 115                 (ADF_VF2PF_MSGTYPE_INIT << ADF_VF2PF_MSGTYPE_SHIFT));
 116
 117         if (adf_iov_putmsg(accel_dev, msg, 0)) {
 118                 dev_err(&GET_DEV(accel_dev),
 119                         "Failed to send Init event to PF\n");
 120                 return -EFAULT;
 121         }
 122         return 0;
 123 }
 124
 125 static void adf_vf2pf_shutdown(struct adf_accel_dev *accel_dev)
 126 {
 127         u32 msg = (ADF_VF2PF_MSGORIGIN_SYSTEM |
 128             (ADF_VF2PF_MSGTYPE_SHUTDOWN << ADF_VF2PF_MSGTYPE_SHIFT));
 129
 130         if (adf_iov_putmsg(accel_dev, msg, 0))
 131                 dev_err(&GET_DEV(accel_dev),
 132                         "Failed to send Shutdown event to PF\n");
 133 }
 134
 135 void adf_init_hw_data_c3xxxiov(struct adf_hw_device_data *hw_data)
 136 {
 137         hw_data->dev_class = &c3xxxiov_class;
 138         hw_data->num_banks = ADF_C3XXXIOV_ETR_MAX_BANKS;
 139         hw_data->num_accel = ADF_C3XXXIOV_MAX_ACCELERATORS;
 140         hw_data->num_logical_accel = 1;
 141         hw_data->num_engines = ADF_C3XXXIOV_MAX_ACCELENGINES;
 142         hw_data->tx_rx_gap = ADF_C3XXXIOV_RX_RINGS_OFFSET;
 143         hw_data->tx_rings_mask = ADF_C3XXXIOV_TX_RINGS_MASK;
 144         hw_data->alloc_irq = adf_vf_isr_resource_alloc;
 145         hw_data->free_irq = adf_vf_isr_resource_free;
 146         hw_data->enable_error_correction = adf_vf_void_noop;
 147         hw_data->init_admin_comms = adf_vf_int_noop;
 148         hw_data->exit_admin_comms = adf_vf_void_noop;
 149         hw_data->send_admin_init = adf_vf2pf_init;
 150         hw_data->init_arb = adf_vf_int_noop;
 151         hw_data->exit_arb = adf_vf_void_noop;
 152         hw_data->disable_iov = adf_vf2pf_shutdown;
 153         hw_data->get_accel_mask = get_accel_mask;
 154         hw_data->get_ae_mask = get_ae_mask;
 155         hw_data->get_num_accels = get_num_accels;
 156         hw_data->get_num_aes = get_num_aes;
 157         hw_data->get_etr_bar_id = get_etr_bar_id;
 158         hw_data->get_misc_bar_id = get_misc_bar_id;
 159         hw_data->get_pf2vf_offset = get_pf2vf_offset;
 160         hw_data->get_vintmsk_offset = get_vintmsk_offset;
 161         hw_data->get_sku = get_sku;
 162         hw_data->enable_ints = adf_vf_void_noop;
 163         hw_data->enable_vf2pf_comms = adf_enable_vf2pf_comms;
 164         hw_data->min_iov_compat_ver = ADF_PFVF_COMPATIBILITY_VERSION;
 165         hw_data->dev_class->instances++;
 166         adf_devmgr_update_class_index(hw_data);
 167 }
 168
 169 void adf_clean_hw_data_c3xxxiov(struct adf_hw_device_data *hw_data)
 170 {
 171         hw_data->dev_class->instances--;
 172         adf_devmgr_update_class_index(hw_data);
 173 }