diff options
| author | Horia Geantă <horia.geanta@nxp.com> | 2018-09-12 11:59:27 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-09-21 13:24:50 +0800 |
| commit | 48c43de0b5981e84e187a239a9a96c1a6cad8f52 (patch) | |
| tree | 5520268f6b837c4e95cdc71ca8a26f3e31292839 /drivers/soc | |
| parent | e9158b35ef9afb3bf24e0404c8fd4cd723eafa5b (diff) | |
soc: fsl: dpio: add back some frame queue functions
This commit adds back functions removed in
commit a211c8170b3c ("staging: fsl-mc/dpio: remove couple of unused functions")
since dpseci object will make use of them.
Acked-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/soc')
| -rw-r--r-- | drivers/soc/fsl/dpio/dpio-service.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/soc/fsl/dpio/dpio-service.c b/drivers/soc/fsl/dpio/dpio-service.c index 9b17f72349ed..321a92613a7e 100644 --- a/drivers/soc/fsl/dpio/dpio-service.c +++ b/drivers/soc/fsl/dpio/dpio-service.c @@ -310,6 +310,37 @@ int dpaa2_io_service_rearm(struct dpaa2_io *d, EXPORT_SYMBOL_GPL(dpaa2_io_service_rearm); /** + * dpaa2_io_service_pull_fq() - pull dequeue functions from a fq. + * @d: the given DPIO service. + * @fqid: the given frame queue id. + * @s: the dpaa2_io_store object for the result. + * + * Return 0 for success, or error code for failure. + */ +int dpaa2_io_service_pull_fq(struct dpaa2_io *d, u32 fqid, + struct dpaa2_io_store *s) +{ + struct qbman_pull_desc pd; + int err; + + qbman_pull_desc_clear(&pd); + qbman_pull_desc_set_storage(&pd, s->vaddr, s->paddr, 1); + qbman_pull_desc_set_numframes(&pd, (u8)s->max); + qbman_pull_desc_set_fq(&pd, fqid); + + d = service_select(d); + if (!d) + return -ENODEV; + s->swp = d->swp; + err = qbman_swp_pull(d->swp, &pd); + if (err) + s->swp = NULL; + + return err; +} +EXPORT_SYMBOL(dpaa2_io_service_pull_fq); + +/** * dpaa2_io_service_pull_channel() - pull dequeue functions from a channel. * @d: the given DPIO service. * @channelid: the given channel id. @@ -342,6 +373,33 @@ int dpaa2_io_service_pull_channel(struct dpaa2_io *d, u32 channelid, EXPORT_SYMBOL_GPL(dpaa2_io_service_pull_channel); /** + * dpaa2_io_service_enqueue_fq() - Enqueue a frame to a frame queue. + * @d: the given DPIO service. + * @fqid: the given frame queue id. + * @fd: the frame descriptor which is enqueued. + * + * Return 0 for successful enqueue, -EBUSY if the enqueue ring is not ready, + * or -ENODEV if there is no dpio service. + */ +int dpaa2_io_service_enqueue_fq(struct dpaa2_io *d, + u32 fqid, + const struct dpaa2_fd *fd) +{ + struct qbman_eq_desc ed; + + d = service_select(d); + if (!d) + return -ENODEV; + + qbman_eq_desc_clear(&ed); + qbman_eq_desc_set_no_orp(&ed, 0); + qbman_eq_desc_set_fq(&ed, fqid); + + return qbman_swp_enqueue(d->swp, &ed, fd); +} +EXPORT_SYMBOL(dpaa2_io_service_enqueue_fq); + +/** * dpaa2_io_service_enqueue_qd() - Enqueue a frame to a QD. * @d: the given DPIO service. * @qdid: the given queuing destination id. |