-/*
- * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2008-2017 Cisco Systems, Inc. All rights reserved.
* Copyright 2007 Nuova Systems, Inc. All rights reserved.
- *
- * Copyright (c) 2014, Cisco Systems, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
*/
#ifndef _CQ_DESC_H_
#define _CQ_DESC_H_
+#include <rte_byteorder.h>
/*
* Completion queue descriptor types
/* Completion queue descriptor: 16B
*
* All completion queues have this basic layout. The
- * type_specfic area is unique for each completion
+ * type_specific area is unique for each completion
* queue type.
*/
struct cq_desc {
- __le16 completed_index;
- __le16 q_number;
- u8 type_specfic[11];
- u8 type_color;
+ uint16_t completed_index;
+ uint16_t q_number;
+ uint8_t type_specific[11];
+ uint8_t type_color;
};
#define CQ_DESC_TYPE_BITS 4
#define CQ_DESC_TYPE_MASK ((1 << CQ_DESC_TYPE_BITS) - 1)
#define CQ_DESC_COLOR_MASK 1
#define CQ_DESC_COLOR_SHIFT 7
+#define CQ_DESC_COLOR_MASK_NOSHIFT 0x80
#define CQ_DESC_Q_NUM_BITS 10
#define CQ_DESC_Q_NUM_MASK ((1 << CQ_DESC_Q_NUM_BITS) - 1)
#define CQ_DESC_COMP_NDX_BITS 12
#define CQ_DESC_COMP_NDX_MASK ((1 << CQ_DESC_COMP_NDX_BITS) - 1)
-static inline void cq_color_enc(struct cq_desc *desc, const u8 color)
+static inline void cq_color_enc(struct cq_desc *desc, const uint8_t color)
{
if (color)
desc->type_color |= (1 << CQ_DESC_COLOR_SHIFT);
}
static inline void cq_desc_enc(struct cq_desc *desc,
- const u8 type, const u8 color, const u16 q_number,
- const u16 completed_index)
+ const uint8_t type, const uint8_t color, const uint16_t q_number,
+ const uint16_t completed_index)
{
desc->type_color = (type & CQ_DESC_TYPE_MASK) |
((color & CQ_DESC_COLOR_MASK) << CQ_DESC_COLOR_SHIFT);
- desc->q_number = cpu_to_le16(q_number & CQ_DESC_Q_NUM_MASK);
- desc->completed_index = cpu_to_le16(completed_index &
+ desc->q_number = rte_cpu_to_le_16(q_number & CQ_DESC_Q_NUM_MASK);
+ desc->completed_index = rte_cpu_to_le_16(completed_index &
CQ_DESC_COMP_NDX_MASK);
}
static inline void cq_desc_dec(const struct cq_desc *desc_arg,
- u8 *type, u8 *color, u16 *q_number, u16 *completed_index)
+ uint8_t *type, uint8_t *color, uint16_t *q_number,
+ uint16_t *completed_index)
{
const struct cq_desc *desc = desc_arg;
- const u8 type_color = desc->type_color;
+ const uint8_t type_color = desc->type_color;
*color = (type_color >> CQ_DESC_COLOR_SHIFT) & CQ_DESC_COLOR_MASK;
* result in reading stale values.
*/
- rmb();
+ rte_rmb();
*type = type_color & CQ_DESC_TYPE_MASK;
- *q_number = le16_to_cpu(desc->q_number) & CQ_DESC_Q_NUM_MASK;
- *completed_index = le16_to_cpu(desc->completed_index) &
+ *q_number = rte_le_to_cpu_16(desc->q_number) & CQ_DESC_Q_NUM_MASK;
+ *completed_index = rte_le_to_cpu_16(desc->completed_index) &
CQ_DESC_COMP_NDX_MASK;
}
-static inline void cq_color_dec(const struct cq_desc *desc_arg, u8 *color)
+static inline void cq_color_dec(const struct cq_desc *desc_arg, uint8_t *color)
{
volatile const struct cq_desc *desc = desc_arg;