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#include <machine/rtems-bsd-kernel-space.h>
#include <rtems/bsd/local/opt_dpaa.h>
/* Copyright 2008 - 2015 Freescale Semiconductor, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Freescale Semiconductor nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* ALTERNATIVELY, this software may be distributed under the terms of the
* GNU General Public License ("GPL") as published by the Free Software
* Foundation, either version 2 of that License or (at your option) any
* later version.
*
* THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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.
*/
#include "bman_test.h"
/*************/
/* constants */
/*************/
#define PORTAL_OPAQUE ((void *)0xf00dbeef)
#define POOL_OPAQUE ((void *)0xdeadabba)
#define NUM_BUFS 93
#define LOOPS 3
#define BMAN_TOKEN_MASK 0x00FFFFFFFFFFLLU
/***************/
/* global vars */
/***************/
static struct bman_pool *pool;
static int depleted;
static struct bm_buffer bufs_in[NUM_BUFS] ____cacheline_aligned;
static struct bm_buffer bufs_out[NUM_BUFS] ____cacheline_aligned;
static int bufs_received;
/* Predeclare the callback so we can instantiate pool parameters */
static void depletion_cb(struct bman_portal *, struct bman_pool *, void *, int);
/**********************/
/* internal functions */
/**********************/
static void bufs_init(void)
{
int i;
for (i = 0; i < NUM_BUFS; i++)
bm_buffer_set64(&bufs_in[i], 0xfedc01234567LLU * i);
bufs_received = 0;
}
static inline int bufs_cmp(const struct bm_buffer *a, const struct bm_buffer *b)
{
if ((bman_ip_rev == BMAN_REV20) || (bman_ip_rev == BMAN_REV21)) {
/* On SoCs with BMan revison 2.0, BMan only respects the 40
* LS-bits of buffer addresses, masking off the upper 8-bits on
* release commands. The API provides for 48-bit addresses
* because some SoCs support all 48-bits. When generating
* garbage addresses for testing, we either need to zero the
* upper 8-bits when releasing to BMan (otherwise we'll be
* disappointed when the buffers we acquire back from BMan
* don't match), or we need to mask the upper 8-bits off when
* comparing. We do the latter.
*/
if ((bm_buffer_get64(a) & BMAN_TOKEN_MASK)
< (bm_buffer_get64(b) & BMAN_TOKEN_MASK))
return -1;
if ((bm_buffer_get64(a) & BMAN_TOKEN_MASK)
> (bm_buffer_get64(b) & BMAN_TOKEN_MASK))
return 1;
} else {
if (bm_buffer_get64(a) < bm_buffer_get64(b))
return -1;
if (bm_buffer_get64(a) > bm_buffer_get64(b))
return 1;
}
return 0;
}
static void bufs_confirm(void)
{
int i, j;
for (i = 0; i < NUM_BUFS; i++) {
int matches = 0;
for (j = 0; j < NUM_BUFS; j++)
if (!bufs_cmp(&bufs_in[i], &bufs_out[j]))
matches++;
BUG_ON(matches != 1);
}
}
/********/
/* test */
/********/
static void depletion_cb(struct bman_portal *__portal, struct bman_pool *__pool,
void *pool_ctx, int __depleted)
{
BUG_ON(__pool != pool);
BUG_ON(pool_ctx != POOL_OPAQUE);
depleted = __depleted;
}
void bman_test_api(void)
{
struct bman_pool_params pparams = {
.flags = BMAN_POOL_FLAG_DEPLETION | BMAN_POOL_FLAG_DYNAMIC_BPID,
.cb = depletion_cb,
.cb_ctx = POOL_OPAQUE,
};
int i, loops = LOOPS;
bufs_init();
pr_info(" --- Starting high-level test ---\n");
pool = bman_new_pool(&pparams);
BUG_ON(!pool);
/*******************/
/* Release buffers */
/*******************/
do_loop:
i = 0;
while (i < NUM_BUFS) {
u32 flags = BMAN_RELEASE_FLAG_WAIT;
int num = 8;
if ((i + num) > NUM_BUFS)
num = NUM_BUFS - i;
if ((i + num) == NUM_BUFS)
flags |= BMAN_RELEASE_FLAG_WAIT_SYNC;
if (bman_release(pool, bufs_in + i, num, flags))
panic("bman_release() failed\n");
i += num;
}
/*******************/
/* Acquire buffers */
/*******************/
while (i > 0) {
int tmp, num = 8;
if (num > i)
num = i;
tmp = bman_acquire(pool, bufs_out + i - num, num, 0);
BUG_ON(tmp != num);
i -= num;
}
i = bman_acquire(pool, NULL, 1, 0);
BUG_ON(i > 0);
bufs_confirm();
if (--loops)
goto do_loop;
/************/
/* Clean up */
/************/
bman_free_pool(pool);
pr_info(" --- Finished high-level test ---\n");
}
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