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soc: fsl: dpio: add back some frame queue functions 

This commit adds back functions removed in
commit a211c8170b ("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>
This commit is contained in:
Horia Geantă 2018-09-12 11:59:27 +03:00 committed by Herbert Xu
parent e9158b35ef
commit 48c43de0b5
2 changed files with 62 additions and 0 deletions
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58
drivers/soc/fsl/dpio/dpio-service.c
View File

@ -309,6 +309,37 @@ 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.
@ -341,6 +372,33 @@ 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.

4
include/soc/fsl/dpaa2-io.h
View File

@ -97,9 +97,13 @@ void dpaa2_io_service_deregister(struct dpaa2_io *service,
int dpaa2_io_service_rearm(struct dpaa2_io *service,
struct dpaa2_io_notification_ctx *ctx);
int dpaa2_io_service_pull_fq(struct dpaa2_io *d, u32 fqid,
struct dpaa2_io_store *s);
int dpaa2_io_service_pull_channel(struct dpaa2_io *d, u32 channelid,
struct dpaa2_io_store *s);
int dpaa2_io_service_enqueue_fq(struct dpaa2_io *d, u32 fqid,
const struct dpaa2_fd *fd);
int dpaa2_io_service_enqueue_qd(struct dpaa2_io *d, u32 qdid, u8 prio,
u16 qdbin, const struct dpaa2_fd *fd);
int dpaa2_io_service_release(struct dpaa2_io *d, u32 bpid,