diff options
Diffstat (limited to 'drivers/bus/dpaa/include/fsl_qman.h')
| -rw-r--r-- | drivers/bus/dpaa/include/fsl_qman.h | 137 |
1 files changed, 85 insertions, 52 deletions
diff --git a/drivers/bus/dpaa/include/fsl_qman.h b/drivers/bus/dpaa/include/fsl_qman.h index eedfd7ea..e9793f30 100644 --- a/drivers/bus/dpaa/include/fsl_qman.h +++ b/drivers/bus/dpaa/include/fsl_qman.h @@ -1,40 +1,7 @@ -/*- - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * BSD LICENSE +/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0) * * Copyright 2008-2012 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 the above-listed copyright holders nor the - * names of any contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * GPL LICENSE SUMMARY - * - * 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 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 HOLDERS 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 __FSL_QMAN_H @@ -45,6 +12,7 @@ extern "C" { #endif #include <dpaa_rbtree.h> +#include <rte_eventdev.h> /* FQ lookups (turn this on for 64bit user-space) */ #if (__WORDSIZE == 64) @@ -1157,6 +1125,20 @@ typedef enum qman_cb_dqrr_result (*qman_cb_dqrr)(struct qman_portal *qm, struct qman_fq *fq, const struct qm_dqrr_entry *dqrr); +typedef enum qman_cb_dqrr_result (*qman_dpdk_cb_dqrr)(void *event, + struct qman_portal *qm, + struct qman_fq *fq, + const struct qm_dqrr_entry *dqrr, + void **bd); + +/* This callback type is used when handling buffers in dpdk pull mode */ +typedef void (*qman_dpdk_pull_cb_dqrr)(struct qman_fq **fq, + struct qm_dqrr_entry **dqrr, + void **bufs, + int num_bufs); + +typedef void (*qman_dpdk_cb_prepare)(struct qm_dqrr_entry *dq, void **bufs); + /* * This callback type is used when handling ERNs, FQRNs and FQRLs via MR. They * are always consumed after the callback returns. @@ -1215,7 +1197,12 @@ enum qman_fq_state { */ struct qman_fq_cb { - qman_cb_dqrr dqrr; /* for dequeued frames */ + union { /* for dequeued frames */ + qman_dpdk_cb_dqrr dqrr_dpdk_cb; + qman_dpdk_pull_cb_dqrr dqrr_dpdk_pull_cb; + qman_cb_dqrr dqrr; + }; + qman_dpdk_cb_prepare dqrr_prepare; qman_cb_mr ern; /* for s/w ERNs */ qman_cb_mr fqs; /* frame-queue state changes*/ }; @@ -1223,19 +1210,25 @@ struct qman_fq_cb { struct qman_fq { /* Caller of qman_create_fq() provides these demux callbacks */ struct qman_fq_cb cb; - /* - * These are internal to the driver, don't touch. In particular, they - * may change, be removed, or extended (so you shouldn't rely on - * sizeof(qman_fq) being a constant). - */ - spinlock_t fqlock; - u32 fqid; + + u32 fqid_le; + u16 ch_id; + u8 cgr_groupid; + u8 is_static; + /* DPDK Interface */ void *dpaa_intf; + struct rte_event ev; + /* affined portal in case of static queue */ + struct qman_portal *qp; + volatile unsigned long flags; + enum qman_fq_state state; - int cgr_groupid; + u32 fqid; + spinlock_t fqlock; + struct rb_node node; #ifdef CONFIG_FSL_QMAN_FQ_LOOKUP u32 key; @@ -1317,6 +1310,9 @@ struct qman_cgr { */ int qman_get_portal_index(void); +u32 qman_portal_dequeue(struct rte_event ev[], unsigned int poll_limit, + void **bufs); + /** * qman_affine_channel - return the channel ID of an portal * @cpu: the cpu whose affine portal is the subject of the query @@ -1327,6 +1323,9 @@ int qman_get_portal_index(void); */ u16 qman_affine_channel(int cpu); +unsigned int qman_portal_poll_rx(unsigned int poll_limit, + void **bufs, struct qman_portal *q); + /** * qman_set_vdq - Issue a volatile dequeue command * @fq: Frame Queue on which the volatile dequeue command is issued @@ -1414,7 +1413,7 @@ void qman_start_dequeues(void); * (SDQCR). The requested pools are limited to those the portal has dequeue * access to. */ -void qman_static_dequeue_add(u32 pools); +void qman_static_dequeue_add(u32 pools, struct qman_portal *qm); /** * qman_static_dequeue_del - Remove pool channels from the portal SDQCR @@ -1424,7 +1423,7 @@ void qman_static_dequeue_add(u32 pools); * register (SDQCR). The requested pools are limited to those the portal has * dequeue access to. */ -void qman_static_dequeue_del(u32 pools); +void qman_static_dequeue_del(u32 pools, struct qman_portal *qp); /** * qman_static_dequeue_get - return the portal's current SDQCR @@ -1433,7 +1432,7 @@ void qman_static_dequeue_del(u32 pools); * entire register is returned, so if only the currently-enabled pool channels * are desired, mask the return value with QM_SDQCR_CHANNELS_POOL_MASK. */ -u32 qman_static_dequeue_get(void); +u32 qman_static_dequeue_get(struct qman_portal *qp); /** * qman_dca - Perform a Discrete Consumption Acknowledgment @@ -1447,7 +1446,21 @@ u32 qman_static_dequeue_get(void); * function must be called from the same CPU as that which processed the DQRR * entry in the first place. */ -void qman_dca(struct qm_dqrr_entry *dq, int park_request); +void qman_dca(const struct qm_dqrr_entry *dq, int park_request); + +/** + * qman_dca_index - Perform a Discrete Consumption Acknowledgment + * @index: the DQRR index to be consumed + * @park_request: indicates whether the held-active @fq should be parked + * + * Only allowed in DCA-mode portals, for DQRR entries whose handler callback had + * previously returned 'qman_cb_dqrr_defer'. NB, as with the other APIs, this + * does not take a 'portal' argument but implies the core affine portal from the + * cpu that is currently executing the function. For reasons of locking, this + * function must be called from the same CPU as that which processed the DQRR + * entry in the first place. + */ +void qman_dca_index(u8 index, int park_request); /** * qman_eqcr_is_empty - Determine if portal's EQCR is empty @@ -1644,6 +1657,13 @@ int qman_query_fq_has_pkts(struct qman_fq *fq); int qman_query_fq_np(struct qman_fq *fq, struct qm_mcr_queryfq_np *np); /** + * qman_query_fq_frmcnt - Queries fq frame count + * @fq: the frame queue object to be queried + * @frm_cnt: number of frames in the queue + */ +int qman_query_fq_frm_cnt(struct qman_fq *fq, u32 *frm_cnt); + +/** * qman_query_wq - Queries work queue lengths * @query_dedicated: If non-zero, query length of WQs in the channel dedicated * to this software portal. Otherwise, query length of WQs in a @@ -1708,9 +1728,22 @@ int qman_volatile_dequeue(struct qman_fq *fq, u32 flags, u32 vdqcr); */ int qman_enqueue(struct qman_fq *fq, const struct qm_fd *fd, u32 flags); -int qman_enqueue_multi(struct qman_fq *fq, - const struct qm_fd *fd, - int frames_to_send); +int qman_enqueue_multi(struct qman_fq *fq, const struct qm_fd *fd, u32 *flags, + int frames_to_send); + +/** + * qman_enqueue_multi_fq - Enqueue multiple frames to their respective frame + * queues. + * @fq[]: Array of frame queue objects to enqueue to + * @fd: pointer to first descriptor of frame to be enqueued + * @frames_to_send: number of frames to be sent. + * + * This API is similar to qman_enqueue_multi(), but it takes fd which needs + * to be processed by different frame queues. + */ +int +qman_enqueue_multi_fq(struct qman_fq *fq[], const struct qm_fd *fd, + int frames_to_send); typedef int (*qman_cb_precommit) (void *arg); @@ -1993,8 +2026,8 @@ static inline int qman_poll_fq_for_init(struct qman_fq *fq) } #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ -#define cpu_to_hw_sg(x) (x) -#define hw_sg_to_cpu(x) (x) +#define cpu_to_hw_sg(x) +#define hw_sg_to_cpu(x) #else #define cpu_to_hw_sg(x) __cpu_to_hw_sg(x) #define hw_sg_to_cpu(x) __hw_sg_to_cpu(x) |