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>

diff --git a/drivers/soc/fsl/dpio/dpio-service.c b/drivers/soc/fsl/dpio/dpio-service.c
index 9b17f72349ed8109611a5e1b98ad133505cbb682..321a92613a7eb4df1dd48b7cfafc64f659a1ed88 100644 (file)
--- a/drivers/soc/fsl/dpio/dpio-service.c
+++ b/drivers/soc/fsl/dpio/dpio-service.c
@@ -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.

diff --git a/include/soc/fsl/dpaa2-io.h b/include/soc/fsl/dpaa2-io.h
index ab51e40d11dbd67e05321fd9a905e86cb6a7a110..70997ab2146cb34c6fbd0a4d409d6c723a27f72b 100644 (file)
--- a/include/soc/fsl/dpaa2-io.h
+++ b/include/soc/fsl/dpaa2-io.h
@@ -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,