struct dpaa2_cmd is no longer malloc'ed, but can be allocated on stack and initialized with DPAA2_CMD_INIT() on demand. Drivers stopped caching their DPAA2 command objects (and associated tokens) in the software contexts in order to avoid using them concurrently. Reviewed by: bz Approved by: bz (mentor) MFC after: 3 weeks Differential Revision: https://reviews.freebsd.org/D39509
69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright © 2022 Dmitry Salychev
|
|
*
|
|
* 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 AUTHOR 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 AUTHOR 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 _DPAA2_BP_H
|
|
#define _DPAA2_BP_H
|
|
|
|
#include <sys/bus.h>
|
|
|
|
/* Maximum resources per DPBP: 1 DPMCP. */
|
|
#define DPAA2_BP_MAX_RESOURCES 1
|
|
|
|
/**
|
|
* @brief Attributes of the DPBP object.
|
|
*
|
|
* id: DPBP object ID.
|
|
* bpid: Hardware buffer pool ID; should be used as an argument in
|
|
* acquire/release operations on buffers.
|
|
*/
|
|
struct dpaa2_bp_attr {
|
|
uint32_t id;
|
|
uint16_t bpid;
|
|
};
|
|
|
|
/**
|
|
* @brief Configuration/state of the buffer pool.
|
|
*/
|
|
struct dpaa2_bp_conf {
|
|
uint8_t bdi;
|
|
uint8_t state; /* bitmask */
|
|
uint32_t free_bufn;
|
|
};
|
|
|
|
/**
|
|
* @brief Software context for the DPAA2 Buffer Pool driver.
|
|
*/
|
|
struct dpaa2_bp_softc {
|
|
device_t dev;
|
|
struct dpaa2_bp_attr attr;
|
|
struct resource *res[DPAA2_BP_MAX_RESOURCES];
|
|
};
|
|
|
|
extern struct resource_spec dpaa2_bp_spec[];
|
|
|
|
#endif /* _DPAA2_BP_H */
|