From: Stuart Yoder <stuart.yoder@nxp.com>
To: <gregkh@linuxfoundation.org>
Cc: <devel@driverdev.osuosl.org>, <linux-kernel@vger.kernel.org>,
<agraf@suse.de>, <arnd@arndb.de>, <leoyang.li@nxp.com>,
<ioana.ciornei@nxp.com>, <catalin.horghidan@nxp.com>,
<laurentiu.tudor@nxp.com>, <ruxandra.radulescu@nxp.com>,
Roy Pledge <Roy.Pledge@nxp.com>,
Stuart Yoder <stuart.yoder@nxp.com>
Subject: [PATCH v3 5/9] bus: fsl-mc: dpio: add global dpaa2 definitions
Date: Thu, 1 Dec 2016 16:41:30 -0600 [thread overview]
Message-ID: <1480632094-3621-6-git-send-email-stuart.yoder@nxp.com> (raw)
In-Reply-To: <1480632094-3621-1-git-send-email-stuart.yoder@nxp.com>
From: Roy Pledge <Roy.Pledge@nxp.com>
Create header for global dpaa2 definitions. Add definitions
for dequeue results.
Signed-off-by: Roy Pledge <Roy.Pledge@nxp.com>
Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
---
include/linux/fsl/dpaa2-global.h | 203 +++++++++++++++++++++++++++++++++++++++
1 file changed, 203 insertions(+)
create mode 100644 include/linux/fsl/dpaa2-global.h
diff --git a/include/linux/fsl/dpaa2-global.h b/include/linux/fsl/dpaa2-global.h
new file mode 100644
index 0000000..3ee3f29
--- /dev/null
+++ b/include/linux/fsl/dpaa2-global.h
@@ -0,0 +1,203 @@
+/*
+ * Copyright 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.
+ *
+ * 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 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.
+ */
+#ifndef __FSL_DPAA2_GLOBAL_H
+#define __FSL_DPAA2_GLOBAL_H
+
+#include <linux/types.h>
+#include <linux/cpumask.h>
+#include <linux/fsl/dpaa2-fd.h>
+
+struct dpaa2_dq {
+ union {
+ struct common {
+ u8 verb;
+ u8 reserved[63];
+ } common;
+ struct dq {
+ u8 verb;
+ u8 stat;
+ __le16 seqnum;
+ __le16 oprid;
+ u8 reserved;
+ u8 tok;
+ __le32 fqid;
+ u32 reserved2;
+ __le32 fq_byte_cnt;
+ __le32 fq_frm_cnt;
+ __le64 fqd_ctx;
+ u8 fd[32];
+ } dq;
+ struct scn {
+ u8 verb;
+ u8 stat;
+ u8 state;
+ u8 reserved;
+ __le32 rid_tok;
+ __le64 ctx;
+ } scn;
+ };
+};
+
+
+/* Parsing frame dequeue results */
+/* FQ empty */
+#define DPAA2_DQ_STAT_FQEMPTY 0x80
+/* FQ held active */
+#define DPAA2_DQ_STAT_HELDACTIVE 0x40
+/* FQ force eligible */
+#define DPAA2_DQ_STAT_FORCEELIGIBLE 0x20
+/* valid frame */
+#define DPAA2_DQ_STAT_VALIDFRAME 0x10
+/* FQ ODP enable */
+#define DPAA2_DQ_STAT_ODPVALID 0x04
+/* volatile dequeue */
+#define DPAA2_DQ_STAT_VOLATILE 0x02
+/* volatile dequeue command is expired */
+#define DPAA2_DQ_STAT_EXPIRED 0x01
+
+#define DQ_FQID_MASK 0x00FFFFFF
+#define DQ_FRAME_COUNT_MASK 0x00FFFFFF
+
+/**
+ * dpaa2_dq_flags() - Get the stat field of dequeue response
+ * @dq: the dequeue result.
+ */
+static inline u32 dpaa2_dq_flags(const struct dpaa2_dq *dq)
+{
+ return dq->dq.stat;
+}
+
+/**
+ * dpaa2_dq_is_pull() - Check whether the dq response is from a pull
+ * command.
+ * @dq: the dequeue result
+ *
+ * Return 1 for volatile(pull) dequeue, 0 for static dequeue.
+ */
+static inline int dpaa2_dq_is_pull(const struct dpaa2_dq *dq)
+{
+ return (int)(dpaa2_dq_flags(dq) & DPAA2_DQ_STAT_VOLATILE);
+}
+
+/**
+ * dpaa2_dq_is_pull_complete() - Check whether the pull command is completed.
+ * @dq: the dequeue result
+ *
+ * Return boolean.
+ */
+static inline int dpaa2_dq_is_pull_complete(
+ const struct dpaa2_dq *dq)
+{
+ return (int)(dpaa2_dq_flags(dq) & DPAA2_DQ_STAT_EXPIRED);
+}
+
+/**
+ * dpaa2_dq_seqnum() - Get the seqnum field in dequeue response
+ * @dq: the dequeue result
+ *
+ * seqnum is valid only if VALIDFRAME flag is TRUE
+ *
+ * Return seqnum.
+ */
+static inline u16 dpaa2_dq_seqnum(const struct dpaa2_dq *dq)
+{
+ return le16_to_cpu(dq->dq.seqnum);
+}
+
+/**
+ * dpaa2_dq_odpid() - Get the odpid field in dequeue response
+ * @dq: the dequeue result
+ *
+ * odpid is valid only if ODPVAILD flag is TRUE.
+ *
+ * Return odpid.
+ */
+static inline u16 dpaa2_dq_odpid(const struct dpaa2_dq *dq)
+{
+ return le16_to_cpu(dq->dq.oprid);
+}
+
+/**
+ * dpaa2_dq_fqid() - Get the fqid in dequeue response
+ * @dq: the dequeue result
+ *
+ * Return fqid.
+ */
+static inline u32 dpaa2_dq_fqid(const struct dpaa2_dq *dq)
+{
+ return le32_to_cpu(dq->dq.fqid) & DQ_FQID_MASK;
+}
+
+/**
+ * dpaa2_dq_byte_count() - Get the byte count in dequeue response
+ * @dq: the dequeue result
+ *
+ * Return the byte count remaining in the FQ.
+ */
+static inline u32 dpaa2_dq_byte_count(const struct dpaa2_dq *dq)
+{
+ return le32_to_cpu(dq->dq.fq_byte_cnt);
+}
+
+/**
+ * dpaa2_dq_frame_count() - Get the frame count in dequeue response
+ * @dq: the dequeue result
+ *
+ * Return the frame count remaining in the FQ.
+ */
+static inline u32 dpaa2_dq_frame_count(const struct dpaa2_dq *dq)
+{
+ return le32_to_cpu(dq->dq.fq_frm_cnt) & DQ_FRAME_COUNT_MASK;
+}
+
+/**
+ * dpaa2_dq_fd_ctx() - Get the frame queue context in dequeue response
+ * @dq: the dequeue result
+ *
+ * Return the frame queue context.
+ */
+static inline u64 dpaa2_dq_fqd_ctx(const struct dpaa2_dq *dq)
+{
+ return le64_to_cpu(dq->dq.fqd_ctx);
+}
+
+/**
+ * dpaa2_dq_fd() - Get the frame descriptor in dequeue response
+ * @dq: the dequeue result
+ *
+ * Return the frame descriptor.
+ */
+static inline const struct dpaa2_fd *dpaa2_dq_fd(const struct dpaa2_dq *dq)
+{
+ return (const struct dpaa2_fd *)&dq->dq.fd[0];
+}
+
+#endif /* __FSL_DPAA2_GLOBAL_H */
--
1.9.0
next prev parent reply other threads:[~2016-12-01 22:49 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-01 22:41 [PATCH v3 0/9] staging: fsl-mc: move bus driver out of staging, add dpio Stuart Yoder
2016-12-01 22:41 ` [PATCH v3 1/9] staging: fsl-mc: move bus driver out of staging Stuart Yoder
2016-12-07 15:52 ` Greg KH
2016-12-07 20:19 ` Stuart Yoder
2016-12-08 16:05 ` Greg KH
2016-12-09 0:36 ` Stuart Yoder
2016-12-09 7:10 ` Greg KH
2016-12-09 15:53 ` Stuart Yoder
2016-12-01 22:41 ` [PATCH v3 2/9] bus: fsl-mc: dpio: add DPIO driver overview document Stuart Yoder
2016-12-01 22:41 ` [PATCH v3 3/9] bus: fsl-mc: dpio: add APIs for DPIO objects Stuart Yoder
2016-12-02 11:26 ` Laurentiu Tudor
2016-12-15 16:36 ` Stuart Yoder
2016-12-01 22:41 ` [PATCH v3 4/9] bus: fsl-mc: dpio: add frame descriptor and scatter/gather APIs Stuart Yoder
2016-12-02 12:12 ` Laurentiu Tudor
2016-12-05 20:52 ` Dan Carpenter
2016-12-06 10:35 ` Laurentiu Tudor
2016-12-15 16:41 ` Stuart Yoder
2016-12-01 22:41 ` Stuart Yoder [this message]
2016-12-02 12:19 ` [PATCH v3 5/9] bus: fsl-mc: dpio: add global dpaa2 definitions Laurentiu Tudor
2016-12-15 17:12 ` Stuart Yoder
2016-12-01 22:41 ` [PATCH v3 6/9] bus: fsl-mc: dpio: add QBMan portal APIs for DPAA2 Stuart Yoder
2016-12-02 12:40 ` Laurentiu Tudor
2016-12-15 22:20 ` Stuart Yoder
2016-12-01 22:41 ` [PATCH v3 7/9] bus: fsl-mc: dpio: add the DPAA2 DPIO service interface Stuart Yoder
2016-12-02 13:02 ` Laurentiu Tudor
2016-12-15 22:43 ` Stuart Yoder
2016-12-01 22:41 ` [PATCH v3 8/9] bus: fsl-mc: dpio: add the DPAA2 DPIO object driver Stuart Yoder
2016-12-01 22:41 ` [PATCH v3 9/9] bus: fsl-mc: dpio: add maintainer for DPIO Stuart Yoder
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