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) 2014 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) 2014 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#ifndef ADF_TRANSPORT_INTRN_H 48#define ADF_TRANSPORT_INTRN_H 49 50#include <linux/interrupt.h> 51#include <linux/spinlock_types.h> 52#include "adf_transport.h" 53 54struct adf_etr_ring_debug_entry { 55 char ring_name[ADF_CFG_MAX_KEY_LEN_IN_BYTES]; 56 struct dentry *debug; 57}; 58 59struct adf_etr_ring_data { 60 void *base_addr; 61 atomic_t *inflights; 62 spinlock_t lock; /* protects ring data struct */ 63 adf_callback_fn callback; 64 struct adf_etr_bank_data *bank; 65 dma_addr_t dma_addr; 66 uint16_t head; 67 uint16_t tail; 68 uint8_t ring_number; 69 uint8_t ring_size; 70 uint8_t msg_size; 71 uint8_t reserved; 72 struct adf_etr_ring_debug_entry *ring_debug; 73} __packed; 74 75struct adf_etr_bank_data { 76 struct adf_etr_ring_data rings[ADF_ETR_MAX_RINGS_PER_BANK]; 77 struct tasklet_struct resp_handler; 78 void __iomem *csr_addr; 79 struct adf_accel_dev *accel_dev; 80 uint32_t irq_coalesc_timer; 81 uint16_t ring_mask; 82 uint16_t irq_mask; 83 spinlock_t lock; /* protects bank data struct */ 84 struct dentry *bank_debug_dir; 85 struct dentry *bank_debug_cfg; 86 uint32_t bank_number; 87} __packed; 88 89struct adf_etr_data { 90 struct adf_etr_bank_data *banks; 91 struct dentry *debug; 92}; 93 94void adf_response_handler(uintptr_t bank_addr); 95#ifdef CONFIG_DEBUG_FS 96#include <linux/debugfs.h> 97int adf_bank_debugfs_add(struct adf_etr_bank_data *bank); 98void adf_bank_debugfs_rm(struct adf_etr_bank_data *bank); 99int adf_ring_debugfs_add(struct adf_etr_ring_data *ring, const char *name); 100void adf_ring_debugfs_rm(struct adf_etr_ring_data *ring); 101#else 102static inline int adf_bank_debugfs_add(struct adf_etr_bank_data *bank) 103{ 104 return 0; 105} 106 107#define adf_bank_debugfs_rm(bank) do {} while (0) 108 109static inline int adf_ring_debugfs_add(struct adf_etr_ring_data *ring, 110 const char *name) 111{ 112 return 0; 113} 114 115#define adf_ring_debugfs_rm(ring) do {} while (0) 116#endif 117#endif 118