diff options
Diffstat (limited to 'drivers/bus/fslmc/qbman/qbman_portal.c')
| -rw-r--r-- | drivers/bus/fslmc/qbman/qbman_portal.c | 49 |
1 files changed, 26 insertions, 23 deletions
diff --git a/drivers/bus/fslmc/qbman/qbman_portal.c b/drivers/bus/fslmc/qbman/qbman_portal.c index 809770c7..e2217335 100644 --- a/drivers/bus/fslmc/qbman/qbman_portal.c +++ b/drivers/bus/fslmc/qbman/qbman_portal.c @@ -1,29 +1,7 @@ -/*- - * BSD LICENSE +/* SPDX-License-Identifier: BSD-3-Clause * * Copyright (C) 2014-2016 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. - * - * 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 "qbman_portal.h" @@ -518,6 +496,7 @@ int qbman_swp_enqueue(struct qbman_swp *s, const struct qbman_eq_desc *d, int qbman_swp_enqueue_multiple(struct qbman_swp *s, const struct qbman_eq_desc *d, const struct qbman_fd *fd, + uint32_t *flags, int num_frames) { uint32_t *p; @@ -560,6 +539,12 @@ int qbman_swp_enqueue_multiple(struct qbman_swp *s, p = qbman_cena_write_start_wo_shadow(&s->sys, QBMAN_CENA_SWP_EQCR(eqcr_pi & 7)); p[0] = cl[0] | s->eqcr.pi_vb; + if (flags && (flags[i] & QBMAN_ENQUEUE_FLAG_DCA)) { + struct qbman_eq_desc *d = (struct qbman_eq_desc *)p; + + d->eq.dca = (1 << QB_ENQUEUE_CMD_DCA_EN_SHIFT) | + ((flags[i]) & QBMAN_EQCR_DCA_IDXMASK); + } eqcr_pi++; eqcr_pi &= 0xF; if (!(eqcr_pi & 7)) @@ -794,6 +779,17 @@ int qbman_swp_pull(struct qbman_swp *s, struct qbman_pull_desc *d) #define QBMAN_RESULT_BPSCN 0x29 #define QBMAN_RESULT_CSCN_WQ 0x2a +#include <rte_prefetch.h> + +void qbman_swp_prefetch_dqrr_next(struct qbman_swp *s) +{ + const struct qbman_result *p; + + p = qbman_cena_read_wo_shadow(&s->sys, + QBMAN_CENA_SWP_DQRR(s->dqrr.next_idx)); + rte_prefetch0(p); +} + /* NULL return if there are no unconsumed DQRR entries. Returns a DQRR entry * only once, so repeated calls can return a sequence of DQRR entries, without * requiring they be consumed immediately or in any particular order. @@ -881,6 +877,13 @@ void qbman_swp_dqrr_consume(struct qbman_swp *s, qbman_cinh_write(&s->sys, QBMAN_CINH_SWP_DCAP, QBMAN_IDX_FROM_DQRR(dq)); } +/* Consume DQRR entries previously returned from qbman_swp_dqrr_next(). */ +void qbman_swp_dqrr_idx_consume(struct qbman_swp *s, + uint8_t dqrr_index) +{ + qbman_cinh_write(&s->sys, QBMAN_CINH_SWP_DCAP, dqrr_index); +} + /*********************************/ /* Polling user-provided storage */ /*********************************/ |