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freifunkist-firmware/target/linux/layerscape/patches-4.14/701-dpaa2-dpio-support-laye...

2992 lines
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From 80df9e62536d7cac5c03a4fcb494c6ddf0723633 Mon Sep 17 00:00:00 2001
From: Biwen Li <biwen.li@nxp.com>
Date: Wed, 17 Apr 2019 18:58:27 +0800
Subject: [PATCH] dpaa2-dpio: support layerscape
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This is an integrated patch of dpaa2-dpio for layerscape
Signed-off-by: Bharat Bhushan <Bharat.Bhushan@nxp.com>
Signed-off-by: Biwen Li <biwen.li@nxp.com>
Signed-off-by: Bogdan Purcareata <bogdan.purcareata@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Guanhua Gao <guanhua.gao@nxp.com>
Signed-off-by: Haiying Wang <Haiying.Wang@nxp.com>
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Radu Alexe <radu.alexe@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Youri Querry <youri.querry_1@nxp.com>
---
drivers/staging/fsl-mc/Kconfig | 1 +
drivers/staging/fsl-mc/Makefile | 1 +
drivers/staging/fsl-mc/bus/Kconfig | 5 +-
drivers/staging/fsl-mc/bus/Makefile | 3 +-
drivers/staging/fsl-mc/bus/dpbp-cmd.h | 28 +-
drivers/staging/fsl-mc/bus/dpbp.c | 28 +-
drivers/staging/fsl-mc/bus/dpcon-cmd.h | 28 +-
drivers/staging/fsl-mc/bus/dpcon.c | 32 +-
drivers/staging/fsl-mc/bus/dpio/Makefile | 3 +-
drivers/staging/fsl-mc/bus/dpio/dpio-cmd.h | 29 +-
drivers/staging/fsl-mc/bus/dpio/dpio-driver.c | 99 ++--
.../staging/fsl-mc/bus/dpio/dpio-service.c | 295 +++++++++---
drivers/staging/fsl-mc/bus/dpio/dpio.c | 51 +--
drivers/staging/fsl-mc/bus/dpio/dpio.h | 32 +-
.../staging/fsl-mc/bus/dpio/qbman-portal.c | 421 ++++++++++++++----
.../staging/fsl-mc/bus/dpio/qbman-portal.h | 134 ++++--
drivers/staging/fsl-mc/bus/dpmcp.c | 28 +-
drivers/staging/fsl-mc/bus/dprc-driver.c | 4 +-
drivers/staging/fsl-mc/bus/dprc.c | 28 +-
drivers/staging/fsl-mc/bus/fsl-mc-allocator.c | 4 +-
drivers/staging/fsl-mc/bus/fsl-mc-bus.c | 4 +-
drivers/staging/fsl-mc/bus/fsl-mc-msi.c | 4 +-
drivers/staging/fsl-mc/bus/fsl-mc-private.h | 4 +-
.../fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c | 4 +-
drivers/staging/fsl-mc/bus/mc-io.c | 28 +-
drivers/staging/fsl-mc/bus/mc-sys.c | 28 +-
drivers/staging/fsl-mc/include/dpaa2-fd.h | 288 ++++++++++--
drivers/staging/fsl-mc/include/dpaa2-global.h | 27 +-
drivers/staging/fsl-mc/include/dpaa2-io.h | 110 +++--
drivers/staging/fsl-mc/include/dpbp.h | 29 +-
drivers/staging/fsl-mc/include/dpcon.h | 32 +-
drivers/staging/fsl-mc/include/dpopr.h | 110 +++++
drivers/staging/fsl-mc/include/mc.h | 4 +-
33 files changed, 1233 insertions(+), 693 deletions(-)
create mode 100644 drivers/staging/fsl-mc/include/dpopr.h
--- a/drivers/staging/fsl-mc/Kconfig
+++ b/drivers/staging/fsl-mc/Kconfig
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
source "drivers/staging/fsl-mc/bus/Kconfig"
--- a/drivers/staging/fsl-mc/Makefile
+++ b/drivers/staging/fsl-mc/Makefile
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
# Freescale Management Complex (MC) bus drivers
obj-$(CONFIG_FSL_MC_BUS) += bus/
--- a/drivers/staging/fsl-mc/bus/Kconfig
+++ b/drivers/staging/fsl-mc/bus/Kconfig
@@ -1,10 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0
#
# DPAA2 fsl-mc bus
#
# Copyright (C) 2014-2016 Freescale Semiconductor, Inc.
#
-# This file is released under the GPLv2
-#
config FSL_MC_BUS
bool "QorIQ DPAA2 fsl-mc bus driver"
@@ -18,7 +17,7 @@ config FSL_MC_BUS
config FSL_MC_DPIO
tristate "QorIQ DPAA2 DPIO driver"
- depends on FSL_MC_BUS && ARCH_LAYERSCAPE
+ depends on FSL_MC_BUS
help
Driver for the DPAA2 DPIO object. A DPIO provides queue and
buffer management facilities for software to interact with
--- a/drivers/staging/fsl-mc/bus/Makefile
+++ b/drivers/staging/fsl-mc/bus/Makefile
@@ -1,10 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Freescale Management Complex (MC) bus drivers
#
# Copyright (C) 2014 Freescale Semiconductor, Inc.
#
-# This file is released under the GPLv2
-#
obj-$(CONFIG_FSL_MC_BUS) += mc-bus-driver.o
mc-bus-driver-objs := fsl-mc-bus.o \
--- a/drivers/staging/fsl-mc/bus/dpbp-cmd.h
+++ b/drivers/staging/fsl-mc/bus/dpbp-cmd.h
@@ -1,33 +1,7 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
/*
* Copyright 2013-2016 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 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.
- *
- * 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_DPBP_CMD_H
#define _FSL_DPBP_CMD_H
--- a/drivers/staging/fsl-mc/bus/dpbp.c
+++ b/drivers/staging/fsl-mc/bus/dpbp.c
@@ -1,33 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
* Copyright 2013-2016 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 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.
- *
- * 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.
*/
#include <linux/kernel.h>
#include "../include/mc.h"
--- a/drivers/staging/fsl-mc/bus/dpcon-cmd.h
+++ b/drivers/staging/fsl-mc/bus/dpcon-cmd.h
@@ -1,33 +1,7 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
/*
* Copyright 2013-2016 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 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.
- *
- * 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_DPCON_CMD_H
#define _FSL_DPCON_CMD_H
--- a/drivers/staging/fsl-mc/bus/dpcon.c
+++ b/drivers/staging/fsl-mc/bus/dpcon.c
@@ -1,33 +1,7 @@
-/* Copyright 2013-2016 Freescale Semiconductor Inc.
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright 2013-2016 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 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.
- *
- *
- * 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.
*/
#include <linux/kernel.h>
#include "../include/mc.h"
--- a/drivers/staging/fsl-mc/bus/dpio/Makefile
+++ b/drivers/staging/fsl-mc/bus/dpio/Makefile
@@ -1,9 +1,8 @@
+# SPDX-License-Identifier: GPL-2.0
#
# QorIQ DPAA2 DPIO driver
#
-subdir-ccflags-y := -Werror
-
obj-$(CONFIG_FSL_MC_DPIO) += fsl-mc-dpio.o
fsl-mc-dpio-objs := dpio.o qbman-portal.o dpio-service.o dpio-driver.o
--- a/drivers/staging/fsl-mc/bus/dpio/dpio-cmd.h
+++ b/drivers/staging/fsl-mc/bus/dpio/dpio-cmd.h
@@ -1,34 +1,8 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
/*
* Copyright 2013-2016 Freescale Semiconductor Inc.
* Copyright 2016 NXP
*
- * 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.
- *
- * 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_DPIO_CMD_H
#define _FSL_DPIO_CMD_H
@@ -51,6 +25,7 @@
#define DPIO_CMDID_ENABLE DPIO_CMD(0x002)
#define DPIO_CMDID_DISABLE DPIO_CMD(0x003)
#define DPIO_CMDID_GET_ATTR DPIO_CMD(0x004)
+#define DPIO_CMDID_RESET DPIO_CMD(0x005)
struct dpio_cmd_open {
__le32 dpio_id;
--- a/drivers/staging/fsl-mc/bus/dpio/dpio-driver.c
+++ b/drivers/staging/fsl-mc/bus/dpio/dpio-driver.c
@@ -1,33 +1,8 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
* Copyright 2014-2016 Freescale Semiconductor Inc.
- * Copyright NXP 2016
+ * Copyright 2016 NXP
*
- * 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.
*/
#include <linux/types.h>
@@ -38,6 +13,7 @@
#include <linux/msi.h>
#include <linux/dma-mapping.h>
#include <linux/delay.h>
+#include <linux/io.h>
#include "../../include/mc.h"
#include "../../include/dpaa2-io.h"
@@ -54,6 +30,8 @@ struct dpio_priv {
struct dpaa2_io *io;
};
+static cpumask_var_t cpus_unused_mask;
+
static irqreturn_t dpio_irq_handler(int irq_num, void *arg)
{
struct device *dev = (struct device *)arg;
@@ -113,7 +91,7 @@ static int dpaa2_dpio_probe(struct fsl_m
struct dpio_priv *priv;
int err = -ENOMEM;
struct device *dev = &dpio_dev->dev;
- static int next_cpu = -1;
+ int possible_next_cpu;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
@@ -135,6 +113,12 @@ static int dpaa2_dpio_probe(struct fsl_m
goto err_open;
}
+ err = dpio_reset(dpio_dev->mc_io, 0, dpio_dev->mc_handle);
+ if (err) {
+ dev_err(dev, "dpio_reset() failed\n");
+ goto err_reset;
+ }
+
err = dpio_get_attributes(dpio_dev->mc_io, 0, dpio_dev->mc_handle,
&dpio_attrs);
if (err) {
@@ -155,26 +139,35 @@ static int dpaa2_dpio_probe(struct fsl_m
desc.dpio_id = dpio_dev->obj_desc.id;
/* get the cpu to use for the affinity hint */
- if (next_cpu == -1)
- next_cpu = cpumask_first(cpu_online_mask);
- else
- next_cpu = cpumask_next(next_cpu, cpu_online_mask);
-
- if (!cpu_possible(next_cpu)) {
+ possible_next_cpu = cpumask_first(cpus_unused_mask);
+ if (possible_next_cpu >= nr_cpu_ids) {
dev_err(dev, "probe failed. Number of DPIOs exceeds NR_CPUS.\n");
err = -ERANGE;
goto err_allocate_irqs;
}
- desc.cpu = next_cpu;
+ desc.cpu = possible_next_cpu;
+ cpumask_clear_cpu(possible_next_cpu, cpus_unused_mask);
- /*
- * Set the CENA regs to be the cache inhibited area of the portal to
- * avoid coherency issues if a user migrates to another core.
- */
- desc.regs_cena = ioremap_wc(dpio_dev->regions[1].start,
- resource_size(&dpio_dev->regions[1]));
- desc.regs_cinh = ioremap(dpio_dev->regions[1].start,
- resource_size(&dpio_dev->regions[1]));
+ if (dpio_dev->obj_desc.region_count < 3) {
+ /* No support for DDR backed portals, use classic mapping */
+ desc.regs_cena = ioremap_cache_ns(dpio_dev->regions[0].start,
+ resource_size(&dpio_dev->regions[0]));
+ } else {
+ desc.regs_cena = memremap(dpio_dev->regions[2].start,
+ resource_size(&dpio_dev->regions[2]),
+ MEMREMAP_WB);
+ }
+ if (IS_ERR(desc.regs_cena)) {
+ dev_err(dev, "ioremap_cache_ns failed\n");
+ goto err_allocate_irqs;
+ }
+
+ desc.regs_cinh = devm_ioremap(dev, dpio_dev->regions[1].start,
+ resource_size(&dpio_dev->regions[1]));
+ if (!desc.regs_cinh) {
+ dev_err(dev, "devm_ioremap failed\n");
+ goto err_allocate_irqs;
+ }
err = fsl_mc_allocate_irqs(dpio_dev);
if (err) {
@@ -186,7 +179,7 @@ static int dpaa2_dpio_probe(struct fsl_m
if (err)
goto err_register_dpio_irq;
- priv->io = dpaa2_io_create(&desc);
+ priv->io = dpaa2_io_create(&desc, dev);
if (!priv->io) {
dev_err(dev, "dpaa2_io_create failed\n");
goto err_dpaa2_io_create;
@@ -196,7 +189,6 @@ static int dpaa2_dpio_probe(struct fsl_m
dev_dbg(dev, " receives_notifications = %d\n",
desc.receives_notifications);
dpio_close(dpio_dev->mc_io, 0, dpio_dev->mc_handle);
- fsl_mc_portal_free(dpio_dev->mc_io);
return 0;
@@ -207,6 +199,7 @@ err_register_dpio_irq:
err_allocate_irqs:
dpio_disable(dpio_dev->mc_io, 0, dpio_dev->mc_handle);
err_get_attr:
+err_reset:
dpio_close(dpio_dev->mc_io, 0, dpio_dev->mc_handle);
err_open:
fsl_mc_portal_free(dpio_dev->mc_io);
@@ -227,7 +220,7 @@ static int dpaa2_dpio_remove(struct fsl_
{
struct device *dev;
struct dpio_priv *priv;
- int err;
+ int err = 0, cpu;
dev = &dpio_dev->dev;
priv = dev_get_drvdata(dev);
@@ -236,11 +229,8 @@ static int dpaa2_dpio_remove(struct fsl_
dpio_teardown_irqs(dpio_dev);
- err = fsl_mc_portal_allocate(dpio_dev, 0, &dpio_dev->mc_io);
- if (err) {
- dev_err(dev, "MC portal allocation failed\n");
- goto err_mcportal;
- }
+ cpu = dpaa2_io_get_cpu(priv->io);
+ cpumask_set_cpu(cpu, cpus_unused_mask);
err = dpio_open(dpio_dev->mc_io, 0, dpio_dev->obj_desc.id,
&dpio_dev->mc_handle);
@@ -261,7 +251,7 @@ static int dpaa2_dpio_remove(struct fsl_
err_open:
fsl_mc_portal_free(dpio_dev->mc_io);
-err_mcportal:
+
return err;
}
@@ -285,11 +275,16 @@ static struct fsl_mc_driver dpaa2_dpio_d
static int dpio_driver_init(void)
{
+ if (!zalloc_cpumask_var(&cpus_unused_mask, GFP_KERNEL))
+ return -ENOMEM;
+ cpumask_copy(cpus_unused_mask, cpu_online_mask);
+
return fsl_mc_driver_register(&dpaa2_dpio_driver);
}
static void dpio_driver_exit(void)
{
+ free_cpumask_var(cpus_unused_mask);
fsl_mc_driver_unregister(&dpaa2_dpio_driver);
}
module_init(dpio_driver_init);
--- a/drivers/staging/fsl-mc/bus/dpio/dpio-service.c
+++ b/drivers/staging/fsl-mc/bus/dpio/dpio-service.c
@@ -1,33 +1,8 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
* Copyright 2014-2016 Freescale Semiconductor Inc.
* Copyright 2016 NXP
*
- * 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.
*/
#include <linux/types.h>
#include "../../include/mc.h"
@@ -43,7 +18,6 @@
#include "qbman-portal.h"
struct dpaa2_io {
- atomic_t refs;
struct dpaa2_io_desc dpio_desc;
struct qbman_swp_desc swp_desc;
struct qbman_swp *swp;
@@ -53,6 +27,7 @@ struct dpaa2_io {
/* protect notifications list */
spinlock_t lock_notifications;
struct list_head notifications;
+ struct device *dev;
};
struct dpaa2_io_store {
@@ -83,7 +58,7 @@ static inline struct dpaa2_io *service_s
* If cpu == -1, choose the current cpu, with no guarantees about
* potentially being migrated away.
*/
- if (unlikely(cpu < 0))
+ if (cpu < 0)
cpu = smp_processor_id();
/* If a specific cpu was requested, pick it up immediately */
@@ -95,6 +70,10 @@ static inline struct dpaa2_io *service_s
if (d)
return d;
+ d = service_select_by_cpu(d, -1);
+ if (d)
+ return d;
+
spin_lock(&dpio_list_lock);
d = list_entry(dpio_list.next, struct dpaa2_io, node);
list_del(&d->node);
@@ -105,15 +84,34 @@ static inline struct dpaa2_io *service_s
}
/**
+ * dpaa2_io_service_select() - return a dpaa2_io service affined to this cpu
+ * @cpu: the cpu id
+ *
+ * Return the affine dpaa2_io service, or NULL if there is no service affined
+ * to the specified cpu. If DPAA2_IO_ANY_CPU is used, return the next available
+ * service.
+ */
+struct dpaa2_io *dpaa2_io_service_select(int cpu)
+{
+ if (cpu == DPAA2_IO_ANY_CPU)
+ return service_select(NULL);
+
+ return service_select_by_cpu(NULL, cpu);
+}
+EXPORT_SYMBOL_GPL(dpaa2_io_service_select);
+
+/**
* dpaa2_io_create() - create a dpaa2_io object.
* @desc: the dpaa2_io descriptor
+ * @dev: the actual DPIO device
*
* Activates a "struct dpaa2_io" corresponding to the given config of an actual
* DPIO object.
*
* Return a valid dpaa2_io object for success, or NULL for failure.
*/
-struct dpaa2_io *dpaa2_io_create(const struct dpaa2_io_desc *desc)
+struct dpaa2_io *dpaa2_io_create(const struct dpaa2_io_desc *desc,
+ struct device *dev)
{
struct dpaa2_io *obj = kmalloc(sizeof(*obj), GFP_KERNEL);
@@ -126,7 +124,6 @@ struct dpaa2_io *dpaa2_io_create(const s
return NULL;
}
- atomic_set(&obj->refs, 1);
obj->dpio_desc = *desc;
obj->swp_desc.cena_bar = obj->dpio_desc.regs_cena;
obj->swp_desc.cinh_bar = obj->dpio_desc.regs_cinh;
@@ -156,9 +153,10 @@ struct dpaa2_io *dpaa2_io_create(const s
dpio_by_cpu[desc->cpu] = obj;
spin_unlock(&dpio_list_lock);
+ obj->dev = dev;
+
return obj;
}
-EXPORT_SYMBOL(dpaa2_io_create);
/**
* dpaa2_io_down() - release the dpaa2_io object.
@@ -171,11 +169,8 @@ EXPORT_SYMBOL(dpaa2_io_create);
*/
void dpaa2_io_down(struct dpaa2_io *d)
{
- if (!atomic_dec_and_test(&d->refs))
- return;
kfree(d);
}
-EXPORT_SYMBOL(dpaa2_io_down);
#define DPAA_POLL_MAX 32
@@ -206,7 +201,7 @@ irqreturn_t dpaa2_io_irq(struct dpaa2_io
u64 q64;
q64 = qbman_result_SCN_ctx(dq);
- ctx = (void *)q64;
+ ctx = (void *)(uintptr_t)q64;
ctx->cb(ctx);
} else {
pr_crit("fsl-mc-dpio: Unrecognised/ignored DQRR entry\n");
@@ -222,13 +217,19 @@ done:
qbman_swp_interrupt_set_inhibit(swp, 0);
return IRQ_HANDLED;
}
-EXPORT_SYMBOL(dpaa2_io_irq);
+
+int dpaa2_io_get_cpu(struct dpaa2_io *d)
+{
+ return d->dpio_desc.cpu;
+}
+EXPORT_SYMBOL(dpaa2_io_get_cpu);
/**
* dpaa2_io_service_register() - Prepare for servicing of FQDAN or CDAN
* notifications on the given DPIO service.
* @d: the given DPIO service.
* @ctx: the notification context.
+ * @dev: the device that requests the register
*
* The caller should make the MC command to attach a DPAA2 object to
* a DPIO after this function completes successfully. In that way:
@@ -243,7 +244,8 @@ EXPORT_SYMBOL(dpaa2_io_irq);
* Return 0 for success, or -ENODEV for failure.
*/
int dpaa2_io_service_register(struct dpaa2_io *d,
- struct dpaa2_io_notification_ctx *ctx)
+ struct dpaa2_io_notification_ctx *ctx,
+ struct device *dev)
{
unsigned long irqflags;
@@ -251,8 +253,10 @@ int dpaa2_io_service_register(struct dpa
if (!d)
return -ENODEV;
+ device_link_add(dev, d->dev, DL_FLAG_AUTOREMOVE_SUPPLIER);
+
ctx->dpio_id = d->dpio_desc.dpio_id;
- ctx->qman64 = (u64)ctx;
+ ctx->qman64 = (u64)(uintptr_t)ctx;
ctx->dpio_private = d;
spin_lock_irqsave(&d->lock_notifications, irqflags);
list_add(&ctx->node, &d->notifications);
@@ -263,20 +267,23 @@ int dpaa2_io_service_register(struct dpa
return qbman_swp_CDAN_set_context_enable(d->swp,
(u16)ctx->id,
ctx->qman64);
+
return 0;
}
-EXPORT_SYMBOL(dpaa2_io_service_register);
+EXPORT_SYMBOL_GPL(dpaa2_io_service_register);
/**
* dpaa2_io_service_deregister - The opposite of 'register'.
* @service: the given DPIO service.
* @ctx: the notification context.
+ * @dev: the device that requests to be deregistered
*
* This function should be called only after sending the MC command to
* to detach the notification-producing device from the DPIO.
*/
void dpaa2_io_service_deregister(struct dpaa2_io *service,
- struct dpaa2_io_notification_ctx *ctx)
+ struct dpaa2_io_notification_ctx *ctx,
+ struct device *dev)
{
struct dpaa2_io *d = ctx->dpio_private;
unsigned long irqflags;
@@ -287,8 +294,10 @@ void dpaa2_io_service_deregister(struct
spin_lock_irqsave(&d->lock_notifications, irqflags);
list_del(&ctx->node);
spin_unlock_irqrestore(&d->lock_notifications, irqflags);
+
+ device_link_remove(dev, d->dev);
}
-EXPORT_SYMBOL(dpaa2_io_service_deregister);
+EXPORT_SYMBOL_GPL(dpaa2_io_service_deregister);
/**
* dpaa2_io_service_rearm() - Rearm the notification for the given DPIO service.
@@ -322,7 +331,7 @@ int dpaa2_io_service_rearm(struct dpaa2_
return err;
}
-EXPORT_SYMBOL(dpaa2_io_service_rearm);
+EXPORT_SYMBOL_GPL(dpaa2_io_service_rearm);
/**
* dpaa2_io_service_pull_fq() - pull dequeue functions from a fq.
@@ -385,7 +394,7 @@ int dpaa2_io_service_pull_channel(struct
return err;
}
-EXPORT_SYMBOL(dpaa2_io_service_pull_channel);
+EXPORT_SYMBOL_GPL(dpaa2_io_service_pull_channel);
/**
* dpaa2_io_service_enqueue_fq() - Enqueue a frame to a frame queue.
@@ -441,7 +450,7 @@ int dpaa2_io_service_enqueue_qd(struct d
return qbman_swp_enqueue(d->swp, &ed, fd);
}
-EXPORT_SYMBOL(dpaa2_io_service_enqueue_qd);
+EXPORT_SYMBOL_GPL(dpaa2_io_service_enqueue_qd);
/**
* dpaa2_io_service_release() - Release buffers to a buffer pool.
@@ -453,7 +462,7 @@ EXPORT_SYMBOL(dpaa2_io_service_enqueue_q
* Return 0 for success, and negative error code for failure.
*/
int dpaa2_io_service_release(struct dpaa2_io *d,
- u32 bpid,
+ u16 bpid,
const u64 *buffers,
unsigned int num_buffers)
{
@@ -468,7 +477,7 @@ int dpaa2_io_service_release(struct dpaa
return qbman_swp_release(d->swp, &rd, buffers, num_buffers);
}
-EXPORT_SYMBOL(dpaa2_io_service_release);
+EXPORT_SYMBOL_GPL(dpaa2_io_service_release);
/**
* dpaa2_io_service_acquire() - Acquire buffers from a buffer pool.
@@ -482,7 +491,7 @@ EXPORT_SYMBOL(dpaa2_io_service_release);
* Eg. if the buffer pool is empty, this will return zero.
*/
int dpaa2_io_service_acquire(struct dpaa2_io *d,
- u32 bpid,
+ u16 bpid,
u64 *buffers,
unsigned int num_buffers)
{
@@ -499,7 +508,7 @@ int dpaa2_io_service_acquire(struct dpaa
return err;
}
-EXPORT_SYMBOL(dpaa2_io_service_acquire);
+EXPORT_SYMBOL_GPL(dpaa2_io_service_acquire);
/*
* 'Stores' are reusable memory blocks for holding dequeue results, and to
@@ -553,7 +562,7 @@ struct dpaa2_io_store *dpaa2_io_store_cr
return ret;
}
-EXPORT_SYMBOL(dpaa2_io_store_create);
+EXPORT_SYMBOL_GPL(dpaa2_io_store_create);
/**
* dpaa2_io_store_destroy() - Frees the dma memory storage for dequeue
@@ -567,7 +576,7 @@ void dpaa2_io_store_destroy(struct dpaa2
kfree(s->alloced_addr);
kfree(s);
}
-EXPORT_SYMBOL(dpaa2_io_store_destroy);
+EXPORT_SYMBOL_GPL(dpaa2_io_store_destroy);
/**
* dpaa2_io_store_next() - Determine when the next dequeue result is available.
@@ -610,9 +619,193 @@ struct dpaa2_dq *dpaa2_io_store_next(str
if (!(dpaa2_dq_flags(ret) & DPAA2_DQ_STAT_VALIDFRAME))
ret = NULL;
} else {
+ prefetch(&s->vaddr[s->idx]);
*is_last = 0;
}
return ret;
}
-EXPORT_SYMBOL(dpaa2_io_store_next);
+EXPORT_SYMBOL_GPL(dpaa2_io_store_next);
+
+/**
+ * dpaa2_io_query_fq_count() - Get the frame and byte count for a given fq.
+ * @d: the given DPIO object.
+ * @fqid: the id of frame queue to be queried.
+ * @fcnt: the queried frame count.
+ * @bcnt: the queried byte count.
+ *
+ * Knowing the FQ count at run-time can be useful in debugging situations.
+ * The instantaneous frame- and byte-count are hereby returned.
+ *
+ * Return 0 for a successful query, and negative error code if query fails.
+ */
+int dpaa2_io_query_fq_count(struct dpaa2_io *d, u32 fqid,
+ u32 *fcnt, u32 *bcnt)
+{
+ struct qbman_fq_query_np_rslt state;
+ struct qbman_swp *swp;
+ unsigned long irqflags;
+ int ret;
+
+ d = service_select(d);
+ if (!d)
+ return -ENODEV;
+
+ swp = d->swp;
+ spin_lock_irqsave(&d->lock_mgmt_cmd, irqflags);
+ ret = qbman_fq_query_state(swp, fqid, &state);
+ spin_unlock_irqrestore(&d->lock_mgmt_cmd, irqflags);
+ if (ret)
+ return ret;
+ *fcnt = qbman_fq_state_frame_count(&state);
+ *bcnt = qbman_fq_state_byte_count(&state);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(dpaa2_io_query_fq_count);
+
+/**
+ * dpaa2_io_query_bp_count() - Query the number of buffers currently in a
+ * buffer pool.
+ * @d: the given DPIO object.
+ * @bpid: the index of buffer pool to be queried.
+ * @num: the queried number of buffers in the buffer pool.
+ *
+ * Return 0 for a successful query, and negative error code if query fails.
+ */
+int dpaa2_io_query_bp_count(struct dpaa2_io *d, u16 bpid, u32 *num)
+{
+ struct qbman_bp_query_rslt state;
+ struct qbman_swp *swp;
+ unsigned long irqflags;
+ int ret;
+
+ d = service_select(d);
+ if (!d)
+ return -ENODEV;
+
+ swp = d->swp;
+ spin_lock_irqsave(&d->lock_mgmt_cmd, irqflags);
+ ret = qbman_bp_query(swp, bpid, &state);
+ spin_unlock_irqrestore(&d->lock_mgmt_cmd, irqflags);
+ if (ret)
+ return ret;
+ *num = qbman_bp_info_num_free_bufs(&state);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(dpaa2_io_query_bp_count);
+
+/**
+ * dpaa2_io_service_enqueue_orp_fq() - Enqueue a frame to a frame queue with
+ * order restoration
+ * @d: the given DPIO service.
+ * @fqid: the given frame queue id.
+ * @fd: the frame descriptor which is enqueued.
+ * @orpid: the order restoration point ID
+ * @seqnum: the order sequence number
+ * @last: must be set for the final frame if seqnum is shared (spilt frame)
+ *
+ * Performs an enqueue to a frame queue using the specified order restoration
+ * point. The QMan device will ensure the order of frames placed on the
+ * queue will be ordered as per the sequence number.
+ *
+ * In the case a frame is split it is possible to enqueue using the same
+ * sequence number more than once. The final frame in a shared sequence number
+ * most be indicated by setting last = 1. For non shared sequence numbers
+ * last = 1 must always be set.
+ *
+ * Return 0 for successful enqueue, or -EBUSY if the enqueue ring is not ready,
+ * or -ENODEV if there is no dpio service.
+ */
+int dpaa2_io_service_enqueue_orp_fq(struct dpaa2_io *d, u32 fqid,
+ const struct dpaa2_fd *fd, u16 orpid,
+ u16 seqnum, int last)
+{
+ struct qbman_eq_desc ed;
+
+ d = service_select(d);
+ if (!d)
+ return -ENODEV;
+ qbman_eq_desc_clear(&ed);
+ qbman_eq_desc_set_orp(&ed, 0, orpid, seqnum, !last);
+ qbman_eq_desc_set_fq(&ed, fqid);
+ return qbman_swp_enqueue(d->swp, &ed, fd);
+}
+EXPORT_SYMBOL(dpaa2_io_service_enqueue_orp_fq);
+
+/**
+ * dpaa2_io_service_enqueue_orp_qd() - Enqueue a frame to a queueing destination
+ * with order restoration
+ * @d: the given DPIO service.
+ * @qdid: the given queuing destination id.
+ * @fd: the frame descriptor which is enqueued.
+ * @orpid: the order restoration point ID
+ * @seqnum: the order sequence number
+ * @last: must be set for the final frame if seqnum is shared (spilt frame)
+ *
+ * Performs an enqueue to a frame queue using the specified order restoration
+ * point. The QMan device will ensure the order of frames placed on the
+ * queue will be ordered as per the sequence number.
+ *
+ * In the case a frame is split it is possible to enqueue using the same
+ * sequence number more than once. The final frame in a shared sequence number
+ * most be indicated by setting last = 1. For non shared sequence numbers
+ * last = 1 must always be set.
+ *
+ * Return 0 for successful enqueue, or -EBUSY if the enqueue ring is not ready,
+ * or -ENODEV if there is no dpio service.
+ */
+int dpaa2_io_service_enqueue_orp_qd(struct dpaa2_io *d, u32 qdid, u8 prio,
+ u16 qdbin, const struct dpaa2_fd *fd,
+ u16 orpid, u16 seqnum, int last)
+{
+ struct qbman_eq_desc ed;
+
+ d = service_select(d);
+ if (!d)
+ return -ENODEV;
+ qbman_eq_desc_clear(&ed);
+ qbman_eq_desc_set_orp(&ed, 0, orpid, seqnum, !last);
+ qbman_eq_desc_set_qd(&ed, qdid, qdbin, prio);
+ return qbman_swp_enqueue(d->swp, &ed, fd);
+}
+EXPORT_SYMBOL_GPL(dpaa2_io_service_enqueue_orp_qd);
+
+/**
+ * dpaa2_io_service_orp_seqnum_drop() - Remove a sequence number from
+ * an order restoration list
+ * @d: the given DPIO service.
+ * @orpid: Order restoration point to remove a sequence number from
+ * @seqnum: Sequence number to remove
+ *
+ * Removes a frames sequence number from an order restoration point without
+ * enqueing the frame. Used to indicate that the order restoration hardware
+ * should not expect to see this sequence number. Typically used to indicate
+ * a frame was terminated or dropped from a flow.
+ *
+ * Return 0 for successful enqueue, or -EBUSY if the enqueue ring is not ready,
+ * or -ENODEV if there is no dpio service.
+ */
+int dpaa2_io_service_orp_seqnum_drop(struct dpaa2_io *d, u16 orpid, u16 seqnum)
+{
+ struct qbman_eq_desc ed;
+ struct dpaa2_fd fd;
+ unsigned long irqflags;
+ int ret;
+
+ d = service_select(d);
+ if (!d)
+ return -ENODEV;
+
+ if ((d->swp->desc->qman_version & QMAN_REV_MASK) >= QMAN_REV_5000) {
+ spin_lock_irqsave(&d->lock_mgmt_cmd, irqflags);
+ ret = qbman_orp_drop(d->swp, orpid, seqnum);
+ spin_unlock_irqrestore(&d->lock_mgmt_cmd, irqflags);
+ return ret;
+ }
+
+ qbman_eq_desc_clear(&ed);
+ qbman_eq_desc_set_orp_hole(&ed, orpid, seqnum);
+ return qbman_swp_enqueue(d->swp, &ed, &fd);
+}
+EXPORT_SYMBOL_GPL(dpaa2_io_service_orp_seqnum_drop);
--- a/drivers/staging/fsl-mc/bus/dpio/dpio.c
+++ b/drivers/staging/fsl-mc/bus/dpio/dpio.c
@@ -1,34 +1,8 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
* Copyright 2013-2016 Freescale Semiconductor Inc.
* Copyright 2016 NXP
*
- * 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.
- *
- * 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.
*/
#include <linux/kernel.h>
#include "../../include/mc.h"
@@ -222,3 +196,26 @@ int dpio_get_api_version(struct fsl_mc_i
return 0;
}
+
+/**
+ * dpio_reset() - Reset the DPIO, returns the object to initial state.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPIO object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpio_reset(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
+{
+ struct fsl_mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPIO_CMDID_RESET,
+ cmd_flags,
+ token);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
--- a/drivers/staging/fsl-mc/bus/dpio/dpio.h
+++ b/drivers/staging/fsl-mc/bus/dpio/dpio.h
@@ -1,34 +1,8 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
/*
* Copyright 2013-2016 Freescale Semiconductor Inc.
* Copyright 2016 NXP
*
- * 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.
- *
- * 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_DPIO_H
#define __FSL_DPIO_H
@@ -106,4 +80,8 @@ int dpio_get_api_version(struct fsl_mc_i
u16 *major_ver,
u16 *minor_ver);
+int dpio_reset(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token);
+
#endif /* __FSL_DPIO_H */
--- a/drivers/staging/fsl-mc/bus/dpio/qbman-portal.c
+++ b/drivers/staging/fsl-mc/bus/dpio/qbman-portal.c
@@ -1,33 +1,8 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
* Copyright (C) 2014-2016 Freescale Semiconductor, Inc.
* Copyright 2016 NXP
*
- * 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.
*/
#include <asm/cacheflush.h>
@@ -37,23 +12,26 @@
#include "qbman-portal.h"
-#define QMAN_REV_4000 0x04000000
-#define QMAN_REV_4100 0x04010000
-#define QMAN_REV_4101 0x04010001
-#define QMAN_REV_MASK 0xffff0000
-
/* All QBMan command and result structures use this "valid bit" encoding */
#define QB_VALID_BIT ((u32)0x80)
/* QBMan portal management command codes */
#define QBMAN_MC_ACQUIRE 0x30
#define QBMAN_WQCHAN_CONFIGURE 0x46
+#define QBMAN_MC_ORP 0x63
/* CINH register offsets */
+#define QBMAN_CINH_SWP_EQCR_PI 0x800
#define QBMAN_CINH_SWP_EQAR 0x8c0
+#define QBMAN_CINH_SWP_CR_RT 0x900
+#define QBMAN_CINH_SWP_VDQCR_RT 0x940
+#define QBMAN_CINH_SWP_EQCR_AM_RT 0x980
+#define QBMAN_CINH_SWP_RCR_AM_RT 0x9c0
#define QBMAN_CINH_SWP_DQPI 0xa00
#define QBMAN_CINH_SWP_DCAP 0xac0
#define QBMAN_CINH_SWP_SDQCR 0xb00
+#define QBMAN_CINH_SWP_EQCR_AM_RT2 0xb40
+#define QBMAN_CINH_SWP_RCR_PI 0xc00
#define QBMAN_CINH_SWP_RAR 0xcc0
#define QBMAN_CINH_SWP_ISR 0xe00
#define QBMAN_CINH_SWP_IER 0xe40
@@ -68,6 +46,13 @@
#define QBMAN_CENA_SWP_RR(vb) (0x700 + ((u32)(vb) >> 1))
#define QBMAN_CENA_SWP_VDQCR 0x780
+/* CENA register offsets in memory-backed mode */
+#define QBMAN_CENA_SWP_DQRR_MEM(n) (0x800 + ((u32)(n) << 6))
+#define QBMAN_CENA_SWP_RCR_MEM(n) (0x1400 + ((u32)(n) << 6))
+#define QBMAN_CENA_SWP_CR_MEM 0x1600
+#define QBMAN_CENA_SWP_RR_MEM 0x1680
+#define QBMAN_CENA_SWP_VDQCR_MEM 0x1780
+
/* Reverse mapping of QBMAN_CENA_SWP_DQRR() */
#define QBMAN_IDX_FROM_DQRR(p) (((unsigned long)(p) & 0x1ff) >> 6)
@@ -99,6 +84,14 @@ enum qbman_sdqcr_fc {
qbman_sdqcr_fc_up_to_3 = 1
};
+#define dccvac(p) { asm volatile("dc cvac, %0;" : : "r" (p) : "memory"); }
+#define dcivac(p) { asm volatile("dc ivac, %0" : : "r"(p) : "memory"); }
+static inline void qbman_inval_prefetch(struct qbman_swp *p, uint32_t offset)
+{
+ dcivac(p->addr_cena + offset);
+ prefetch(p->addr_cena + offset);
+}
+
/* Portal Access */
static inline u32 qbman_read_register(struct qbman_swp *p, u32 offset)
@@ -121,10 +114,13 @@ static inline void *qbman_get_cmd(struct
#define SWP_CFG_DQRR_MF_SHIFT 20
#define SWP_CFG_EST_SHIFT 16
+#define SWP_CFG_CPBS_SHIFT 15
#define SWP_CFG_WN_SHIFT 14
#define SWP_CFG_RPM_SHIFT 12
#define SWP_CFG_DCM_SHIFT 10
#define SWP_CFG_EPM_SHIFT 8
+#define SWP_CFG_VPM_SHIFT 7
+#define SWP_CFG_CPM_SHIFT 6
#define SWP_CFG_SD_SHIFT 5
#define SWP_CFG_SP_SHIFT 4
#define SWP_CFG_SE_SHIFT 3
@@ -150,6 +146,8 @@ static inline u32 qbman_set_swp_cfg(u8 m
ep << SWP_CFG_EP_SHIFT);
}
+#define QMAN_RT_MODE 0x00000100
+
/**
* qbman_swp_init() - Create a functional object representing the given
* QBMan portal descriptor.
@@ -171,6 +169,8 @@ struct qbman_swp *qbman_swp_init(const s
p->sdq |= qbman_sdqcr_dct_prio_ics << QB_SDQCR_DCT_SHIFT;
p->sdq |= qbman_sdqcr_fc_up_to_3 << QB_SDQCR_FC_SHIFT;
p->sdq |= QMAN_SDQCR_TOKEN << QB_SDQCR_TOK_SHIFT;
+ if ((p->desc->qman_version & QMAN_REV_MASK) >= QMAN_REV_5000)
+ p->mr.valid_bit = QB_VALID_BIT;
atomic_set(&p->vdq.available, 1);
p->vdq.valid_bit = QB_VALID_BIT;
@@ -188,8 +188,11 @@ struct qbman_swp *qbman_swp_init(const s
p->addr_cena = d->cena_bar;
p->addr_cinh = d->cinh_bar;
+ if ((p->desc->qman_version & QMAN_REV_MASK) >= QMAN_REV_5000)
+ memset(p->addr_cena, 0, 64 * 1024);
+
reg = qbman_set_swp_cfg(p->dqrr.dqrr_size,
- 1, /* Writes Non-cacheable */
+ 0, /* Writes cacheable */
0, /* EQCR_CI stashing threshold */
3, /* RPM: Valid bit mode, RCR in array mode */
2, /* DCM: Discrete consumption ack mode */
@@ -200,6 +203,10 @@ struct qbman_swp *qbman_swp_init(const s
1, /* dequeue stashing priority == TRUE */
0, /* dequeue stashing enable == FALSE */
0); /* EQCR_CI stashing priority == FALSE */
+ if ((p->desc->qman_version & QMAN_REV_MASK) >= QMAN_REV_5000)
+ reg |= 1 << SWP_CFG_CPBS_SHIFT | /* memory-backed mode */
+ 1 << SWP_CFG_VPM_SHIFT | /* VDQCR read triggered mode */
+ 1 << SWP_CFG_CPM_SHIFT; /* CR read triggered mode */
qbman_write_register(p, QBMAN_CINH_SWP_CFG, reg);
reg = qbman_read_register(p, QBMAN_CINH_SWP_CFG);
@@ -208,6 +215,10 @@ struct qbman_swp *qbman_swp_init(const s
return NULL;
}
+ if ((p->desc->qman_version & QMAN_REV_MASK) >= QMAN_REV_5000) {
+ qbman_write_register(p, QBMAN_CINH_SWP_EQCR_PI, QMAN_RT_MODE);
+ qbman_write_register(p, QBMAN_CINH_SWP_RCR_PI, QMAN_RT_MODE);
+ }
/*
* SDQCR needs to be initialized to 0 when no channels are
* being dequeued from or else the QMan HW will indicate an
@@ -302,7 +313,10 @@ void qbman_swp_interrupt_set_inhibit(str
*/
void *qbman_swp_mc_start(struct qbman_swp *p)
{
- return qbman_get_cmd(p, QBMAN_CENA_SWP_CR);
+ if ((p->desc->qman_version & QMAN_REV_MASK) < QMAN_REV_5000)
+ return qbman_get_cmd(p, QBMAN_CENA_SWP_CR);
+ else
+ return qbman_get_cmd(p, QBMAN_CENA_SWP_CR_MEM);
}
/*
@@ -313,8 +327,15 @@ void qbman_swp_mc_submit(struct qbman_sw
{
u8 *v = cmd;
- dma_wmb();
- *v = cmd_verb | p->mc.valid_bit;
+ if ((p->desc->qman_version & QMAN_REV_MASK) < QMAN_REV_5000) {
+ dma_wmb();
+ *v = cmd_verb | p->mc.valid_bit;
+ dccvac(cmd);
+ } else {
+ *v = cmd_verb | p->mc.valid_bit;
+ dma_wmb();
+ qbman_write_register(p, QBMAN_CINH_SWP_CR_RT, QMAN_RT_MODE);
+ }
}
/*
@@ -325,13 +346,28 @@ void *qbman_swp_mc_result(struct qbman_s
{
u32 *ret, verb;
- ret = qbman_get_cmd(p, QBMAN_CENA_SWP_RR(p->mc.valid_bit));
+ if ((p->desc->qman_version & QMAN_REV_MASK) < QMAN_REV_5000) {
+ qbman_inval_prefetch(p, QBMAN_CENA_SWP_RR(p->mc.valid_bit));
+ ret = qbman_get_cmd(p, QBMAN_CENA_SWP_RR(p->mc.valid_bit));
+ /* Remove the valid-bit - command completed if the rest
+ * is non-zero.
+ */
+ verb = ret[0] & ~QB_VALID_BIT;
+ if (!verb)
+ return NULL;
+ p->mc.valid_bit ^= QB_VALID_BIT;
+ } else {
+ ret = qbman_get_cmd(p, QBMAN_CENA_SWP_RR_MEM);
+ /* Command completed if the valid bit is toggled */
+ if (p->mr.valid_bit != (ret[0] & QB_VALID_BIT))
+ return NULL;
+ /* Command completed if the rest is non-zero */
+ verb = ret[0] & ~QB_VALID_BIT;
+ if (!verb)
+ return NULL;
+ p->mr.valid_bit ^= QB_VALID_BIT;
+ }
- /* Remove the valid-bit - command completed if the rest is non-zero */
- verb = ret[0] & ~QB_VALID_BIT;
- if (!verb)
- return NULL;
- p->mc.valid_bit ^= QB_VALID_BIT;
return ret;
}
@@ -370,6 +406,43 @@ void qbman_eq_desc_set_no_orp(struct qbm
d->verb |= enqueue_rejects_to_fq;
}
+/**
+ * qbman_eq_desc_set_orp() - Set order-restoration in the enqueue descriptor
+ * @d: the enqueue descriptor.
+ * @response_success: 1 = enqueue with response always; 0 = enqueue with
+ * rejections returned on a FQ.
+ * @oprid: the order point record id.
+ * @seqnum: the order restoration sequence number.
+ * @incomplete: indicates whether this is the last fragments using the same
+ * sequence number.
+ */
+void qbman_eq_desc_set_orp(struct qbman_eq_desc *d, int respond_success,
+ u16 oprid, u16 seqnum, int incomplete)
+{
+ d->verb |= (1 << QB_ENQUEUE_CMD_ORP_ENABLE_SHIFT);
+ if (respond_success)
+ d->verb |= enqueue_response_always;
+ else
+ d->verb |= enqueue_rejects_to_fq;
+ d->orpid = cpu_to_le16(oprid);
+ d->seqnum = cpu_to_le16((!!incomplete << 14) | seqnum);
+}
+
+/**
+ * qbman_eq_desc_set_orp_hole() - fill a hole in the order-restoration sequence
+ * without any enqueue
+ * @d: the enqueue descriptor.
+ * @oprid: the order point record id.
+ * @seqnum: the order restoration sequence number.
+ */
+void qbman_eq_desc_set_orp_hole(struct qbman_eq_desc *d, u16 oprid,
+ u16 seqnum)
+{
+ d->verb |= (1 << QB_ENQUEUE_CMD_ORP_ENABLE_SHIFT) | enqueue_empty;
+ d->orpid = cpu_to_le16(oprid);
+ d->seqnum = cpu_to_le16(seqnum);
+}
+
/*
* Exactly one of the following descriptor "targets" should be set. (Calling any
* one of these will replace the effect of any prior call to one of these.)
@@ -408,6 +481,18 @@ void qbman_eq_desc_set_qd(struct qbman_e
#define EQAR_VB(eqar) ((eqar) & 0x80)
#define EQAR_SUCCESS(eqar) ((eqar) & 0x100)
+static inline void qbman_write_eqcr_am_rt_register(struct qbman_swp *p,
+ u8 idx)
+{
+ if (idx < 16)
+ qbman_write_register(p, QBMAN_CINH_SWP_EQCR_AM_RT + idx * 4,
+ QMAN_RT_MODE);
+ else
+ qbman_write_register(p, QBMAN_CINH_SWP_EQCR_AM_RT2 +
+ (idx - 16) * 4,
+ QMAN_RT_MODE);
+}
+
/**
* qbman_swp_enqueue() - Issue an enqueue command
* @s: the software portal used for enqueue
@@ -429,12 +514,29 @@ int qbman_swp_enqueue(struct qbman_swp *
return -EBUSY;
p = qbman_get_cmd(s, QBMAN_CENA_SWP_EQCR(EQAR_IDX(eqar)));
- memcpy(&p->dca, &d->dca, 31);
+ /* This is mapped as DEVICE type memory, writes are
+ * with address alignment:
+ * desc.dca address alignment = 1
+ * desc.seqnum address alignment = 2
+ * desc.orpid address alignment = 4
+ * desc.tgtid address alignment = 8
+ */
+ p->dca = d->dca;
+ p->seqnum = d->seqnum;
+ p->orpid = d->orpid;
+ memcpy(&p->tgtid, &d->tgtid, 24);
memcpy(&p->fd, fd, sizeof(*fd));
- /* Set the verb byte, have to substitute in the valid-bit */
- dma_wmb();
- p->verb = d->verb | EQAR_VB(eqar);
+ if ((s->desc->qman_version & QMAN_REV_MASK) < QMAN_REV_5000) {
+ /* Set the verb byte, have to substitute in the valid-bit */
+ dma_wmb();
+ p->verb = d->verb | EQAR_VB(eqar);
+ dccvac(p);
+ } else {
+ p->verb = d->verb | EQAR_VB(eqar);
+ dma_wmb();
+ qbman_write_eqcr_am_rt_register(s, EQAR_IDX(eqar));
+ }
return 0;
}
@@ -522,7 +624,7 @@ void qbman_pull_desc_set_storage(struct
int stash)
{
/* save the virtual address */
- d->rsp_addr_virt = (u64)storage;
+ d->rsp_addr_virt = (u64)(uintptr_t)storage;
if (!storage) {
d->verb &= ~(1 << QB_VDQCR_VERB_RLS_SHIFT);
@@ -615,18 +717,28 @@ int qbman_swp_pull(struct qbman_swp *s,
atomic_inc(&s->vdq.available);
return -EBUSY;
}
- s->vdq.storage = (void *)d->rsp_addr_virt;
- p = qbman_get_cmd(s, QBMAN_CENA_SWP_VDQCR);
+ s->vdq.storage = (void *)(uintptr_t)d->rsp_addr_virt;
+ if ((s->desc->qman_version & QMAN_REV_MASK) < QMAN_REV_5000)
+ p = qbman_get_cmd(s, QBMAN_CENA_SWP_VDQCR);
+ else
+ p = qbman_get_cmd(s, QBMAN_CENA_SWP_VDQCR_MEM);
p->numf = d->numf;
p->tok = QMAN_DQ_TOKEN_VALID;
p->dq_src = d->dq_src;
p->rsp_addr = d->rsp_addr;
p->rsp_addr_virt = d->rsp_addr_virt;
- dma_wmb();
-
- /* Set the verb byte, have to substitute in the valid-bit */
- p->verb = d->verb | s->vdq.valid_bit;
- s->vdq.valid_bit ^= QB_VALID_BIT;
+ if ((s->desc->qman_version & QMAN_REV_MASK) < QMAN_REV_5000) {
+ dma_wmb();
+ /* Set the verb byte, have to substitute in the valid-bit */
+ p->verb = d->verb | s->vdq.valid_bit;
+ s->vdq.valid_bit ^= QB_VALID_BIT;
+ dccvac(p);
+ } else {
+ p->verb = d->verb | s->vdq.valid_bit;
+ s->vdq.valid_bit ^= QB_VALID_BIT;
+ dma_wmb();
+ qbman_write_register(s, QBMAN_CINH_SWP_VDQCR_RT, QMAN_RT_MODE);
+ }
return 0;
}
@@ -680,11 +792,13 @@ const struct dpaa2_dq *qbman_swp_dqrr_ne
s->dqrr.next_idx, pi);
s->dqrr.reset_bug = 0;
}
- prefetch(qbman_get_cmd(s,
- QBMAN_CENA_SWP_DQRR(s->dqrr.next_idx)));
+ qbman_inval_prefetch(s, QBMAN_CENA_SWP_DQRR(s->dqrr.next_idx));
}
- p = qbman_get_cmd(s, QBMAN_CENA_SWP_DQRR(s->dqrr.next_idx));
+ if ((s->desc->qman_version & QMAN_REV_MASK) < QMAN_REV_5000)
+ p = qbman_get_cmd(s, QBMAN_CENA_SWP_DQRR(s->dqrr.next_idx));
+ else
+ p = qbman_get_cmd(s, QBMAN_CENA_SWP_DQRR_MEM(s->dqrr.next_idx));
verb = p->dq.verb;
/*
@@ -696,8 +810,7 @@ const struct dpaa2_dq *qbman_swp_dqrr_ne
* knew from reading PI.
*/
if ((verb & QB_VALID_BIT) != s->dqrr.valid_bit) {
- prefetch(qbman_get_cmd(s,
- QBMAN_CENA_SWP_DQRR(s->dqrr.next_idx)));
+ qbman_inval_prefetch(s, QBMAN_CENA_SWP_DQRR(s->dqrr.next_idx));
return NULL;
}
/*
@@ -720,7 +833,7 @@ const struct dpaa2_dq *qbman_swp_dqrr_ne
(flags & DPAA2_DQ_STAT_EXPIRED))
atomic_inc(&s->vdq.available);
- prefetch(qbman_get_cmd(s, QBMAN_CENA_SWP_DQRR(s->dqrr.next_idx)));
+ qbman_inval_prefetch(s, QBMAN_CENA_SWP_DQRR(s->dqrr.next_idx));
return p;
}
@@ -836,18 +949,29 @@ int qbman_swp_release(struct qbman_swp *
return -EBUSY;
/* Start the release command */
- p = qbman_get_cmd(s, QBMAN_CENA_SWP_RCR(RAR_IDX(rar)));
+ if ((s->desc->qman_version & QMAN_REV_MASK) < QMAN_REV_5000)
+ p = qbman_get_cmd(s, QBMAN_CENA_SWP_RCR(RAR_IDX(rar)));
+ else
+ p = qbman_get_cmd(s, QBMAN_CENA_SWP_RCR_MEM(RAR_IDX(rar)));
/* Copy the caller's buffer pointers to the command */
for (i = 0; i < num_buffers; i++)
p->buf[i] = cpu_to_le64(buffers[i]);
p->bpid = d->bpid;
- /*
- * Set the verb byte, have to substitute in the valid-bit and the number
- * of buffers.
- */
- dma_wmb();
- p->verb = d->verb | RAR_VB(rar) | num_buffers;
+ if ((s->desc->qman_version & QMAN_REV_MASK) < QMAN_REV_5000) {
+ /*
+ * Set the verb byte, have to substitute in the valid-bit
+ * and the number of buffers.
+ */
+ dma_wmb();
+ p->verb = d->verb | RAR_VB(rar) | num_buffers;
+ dccvac(p);
+ } else {
+ p->verb = d->verb | RAR_VB(rar) | num_buffers;
+ dma_wmb();
+ qbman_write_register(s, QBMAN_CINH_SWP_RCR_AM_RT +
+ RAR_IDX(rar) * 4, QMAN_RT_MODE);
+ }
return 0;
}
@@ -855,7 +979,7 @@ int qbman_swp_release(struct qbman_swp *
struct qbman_acquire_desc {
u8 verb;
u8 reserved;
- u16 bpid;
+ __le16 bpid;
u8 num;
u8 reserved2[59];
};
@@ -863,10 +987,10 @@ struct qbman_acquire_desc {
struct qbman_acquire_rslt {
u8 verb;
u8 rslt;
- u16 reserved;
+ __le16 reserved;
u8 num;
u8 reserved2[3];
- u64 buf[7];
+ __le64 buf[7];
};
/**
@@ -929,7 +1053,7 @@ int qbman_swp_acquire(struct qbman_swp *
struct qbman_alt_fq_state_desc {
u8 verb;
u8 reserved[3];
- u32 fqid;
+ __le32 fqid;
u8 reserved2[56];
};
@@ -952,7 +1076,7 @@ int qbman_swp_alt_fq_state(struct qbman_
if (!p)
return -EBUSY;
- p->fqid = cpu_to_le32(fqid) & ALT_FQ_FQID_MASK;
+ p->fqid = cpu_to_le32(fqid & ALT_FQ_FQID_MASK);
/* Complete the management command */
r = qbman_swp_mc_complete(s, p, alt_fq_verb);
@@ -978,11 +1102,11 @@ int qbman_swp_alt_fq_state(struct qbman_
struct qbman_cdan_ctrl_desc {
u8 verb;
u8 reserved;
- u16 ch;
+ __le16 ch;
u8 we;
u8 ctrl;
- u16 reserved2;
- u64 cdan_ctx;
+ __le16 reserved2;
+ __le64 cdan_ctx;
u8 reserved3[48];
};
@@ -990,7 +1114,7 @@ struct qbman_cdan_ctrl_desc {
struct qbman_cdan_ctrl_rslt {
u8 verb;
u8 rslt;
- u16 ch;
+ __le16 ch;
u8 reserved[60];
};
@@ -1031,5 +1155,152 @@ int qbman_swp_CDAN_set(struct qbman_swp
return -EIO;
}
+ return 0;
+}
+
+#define QBMAN_RESPONSE_VERB_MASK 0x7f
+#define QBMAN_FQ_QUERY_NP 0x45
+#define QBMAN_BP_QUERY 0x32
+
+struct qbman_fq_query_desc {
+ u8 verb;
+ u8 reserved[3];
+ __le32 fqid;
+ u8 reserved2[56];
+};
+
+int qbman_fq_query_state(struct qbman_swp *s, u32 fqid,
+ struct qbman_fq_query_np_rslt *r)
+{
+ struct qbman_fq_query_desc *p;
+ void *resp;
+
+ p = (struct qbman_fq_query_desc *)qbman_swp_mc_start(s);
+ if (!p)
+ return -EBUSY;
+
+ /* FQID is a 24 bit value */
+ p->fqid = cpu_to_le32(fqid & 0x00FFFFFF);
+ resp = qbman_swp_mc_complete(s, p, QBMAN_FQ_QUERY_NP);
+ if (!resp) {
+ pr_err("qbman: Query FQID %d NP fields failed, no response\n",
+ fqid);
+ return -EIO;
+ }
+ *r = *(struct qbman_fq_query_np_rslt *)resp;
+ /* Decode the outcome */
+ WARN_ON((r->verb & QBMAN_RESPONSE_VERB_MASK) != QBMAN_FQ_QUERY_NP);
+
+ /* Determine success or failure */
+ if (r->rslt != QBMAN_MC_RSLT_OK) {
+ pr_err("Query NP fields of FQID 0x%x failed, code=0x%02x\n",
+ p->fqid, r->rslt);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+u32 qbman_fq_state_frame_count(const struct qbman_fq_query_np_rslt *r)
+{
+ return (le32_to_cpu(r->frm_cnt) & 0x00FFFFFF);
+}
+
+u32 qbman_fq_state_byte_count(const struct qbman_fq_query_np_rslt *r)
+{
+ return le32_to_cpu(r->byte_cnt);
+}
+
+struct qbman_bp_query_desc {
+ u8 verb;
+ u8 reserved;
+ __le16 bpid;
+ u8 reserved2[60];
+};
+
+int qbman_bp_query(struct qbman_swp *s, u16 bpid,
+ struct qbman_bp_query_rslt *r)
+{
+ struct qbman_bp_query_desc *p;
+ void *resp;
+
+ p = (struct qbman_bp_query_desc *)qbman_swp_mc_start(s);
+ if (!p)
+ return -EBUSY;
+
+ p->bpid = cpu_to_le16(bpid);
+ resp = qbman_swp_mc_complete(s, p, QBMAN_BP_QUERY);
+ if (!resp) {
+ pr_err("qbman: Query BPID %d fields failed, no response\n",
+ bpid);
+ return -EIO;
+ }
+ *r = *(struct qbman_bp_query_rslt *)resp;
+ /* Decode the outcome */
+ WARN_ON((r->verb & QBMAN_RESPONSE_VERB_MASK) != QBMAN_BP_QUERY);
+
+ /* Determine success or failure */
+ if (r->rslt != QBMAN_MC_RSLT_OK) {
+ pr_err("Query fields of BPID 0x%x failed, code=0x%02x\n",
+ bpid, r->rslt);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+u32 qbman_bp_info_num_free_bufs(struct qbman_bp_query_rslt *a)
+{
+ return le32_to_cpu(a->fill);
+}
+
+struct qbman_orp_cmd_desc {
+ u8 verb;
+ u8 reserved;
+ u8 cid;
+ u8 reserved2;
+ u16 orpid;
+ u16 seqnum;
+ u8 reserved3[56];
+};
+
+struct qbman_orp_cmd_rslt {
+ u8 verb;
+ u8 rslt;
+ u8 cid;
+ u8 reserved1[61];
+};
+
+int qbman_orp_drop(struct qbman_swp *s, u16 orpid, u16 seqnum)
+{
+ struct qbman_orp_cmd_desc *p;
+ struct qbman_orp_cmd_rslt *r;
+ void *resp;
+
+ p = (struct qbman_orp_cmd_desc *)qbman_swp_mc_start(s);
+ if (!p)
+ return -EBUSY;
+
+ p->cid = 0x7;
+ p->orpid = cpu_to_le16(orpid);
+ p->seqnum = cpu_to_le16(seqnum);
+
+ resp = qbman_swp_mc_complete(s, p, QBMAN_MC_ORP);
+ if (!resp) {
+ pr_err("qbman: Drop sequence num %d orpid 0x%x failed, no response\n",
+ seqnum, orpid);
+ return -EIO;
+ }
+ r = (struct qbman_orp_cmd_rslt *)resp;
+ /* Decode the outcome */
+ WARN_ON((r->verb & QBMAN_RESPONSE_VERB_MASK) != QBMAN_MC_ORP);
+
+ /* Determine success or failure */
+ if (r->rslt != QBMAN_MC_RSLT_OK) {
+ pr_err("Drop seqnum %d of prpid 0x%x failed, code=0x%02x\n",
+ seqnum, orpid, r->rslt);
+ return -EIO;
+ }
+
return 0;
}
--- a/drivers/staging/fsl-mc/bus/dpio/qbman-portal.h
+++ b/drivers/staging/fsl-mc/bus/dpio/qbman-portal.h
@@ -1,46 +1,28 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
/*
* Copyright (C) 2014-2016 Freescale Semiconductor, Inc.
- * Copyright 2016 NXP
+ * Copyright 2016-2019 NXP
*
- * 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_QBMAN_PORTAL_H
#define __FSL_QBMAN_PORTAL_H
#include "../../include/dpaa2-fd.h"
+#define QMAN_REV_4000 0x04000000
+#define QMAN_REV_4100 0x04010000
+#define QMAN_REV_4101 0x04010001
+#define QMAN_REV_5000 0x05000000
+
+#define QMAN_REV_MASK 0xffff0000
+
struct dpaa2_dq;
struct qbman_swp;
/* qbman software portal descriptor structure */
struct qbman_swp_desc {
void *cena_bar; /* Cache-enabled portal base address */
- void *cinh_bar; /* Cache-inhibited portal base address */
+ void __iomem *cinh_bar; /* Cache-inhibited portal base address */
u32 qman_version;
};
@@ -57,8 +39,8 @@ struct qbman_pull_desc {
u8 numf;
u8 tok;
u8 reserved;
- u32 dq_src;
- u64 rsp_addr;
+ __le32 dq_src;
+ __le64 rsp_addr;
u64 rsp_addr_virt;
u8 padding[40];
};
@@ -95,17 +77,17 @@ enum qbman_pull_type_e {
struct qbman_eq_desc {
u8 verb;
u8 dca;
- u16 seqnum;
- u16 orpid;
- u16 reserved1;
- u32 tgtid;
- u32 tag;
- u16 qdbin;
+ __le16 seqnum;
+ __le16 orpid;
+ __le16 reserved1;
+ __le32 tgtid;
+ __le32 tag;
+ __le16 qdbin;
u8 qpri;
u8 reserved[3];
u8 wae;
u8 rspid;
- u64 rsp_addr;
+ __le64 rsp_addr;
u8 fd[32];
};
@@ -113,9 +95,9 @@ struct qbman_eq_desc {
struct qbman_release_desc {
u8 verb;
u8 reserved;
- u16 bpid;
- u32 reserved2;
- u64 buf[7];
+ __le16 bpid;
+ __le32 reserved2;
+ __le64 buf[7];
};
/* Management command result codes */
@@ -127,7 +109,7 @@ struct qbman_release_desc {
/* portal data structure */
struct qbman_swp {
const struct qbman_swp_desc *desc;
- void __iomem *addr_cena;
+ void *addr_cena;
void __iomem *addr_cinh;
/* Management commands */
@@ -135,6 +117,11 @@ struct qbman_swp {
u32 valid_bit; /* 0x00 or 0x80 */
} mc;
+ /* Management response */
+ struct {
+ u32 valid_bit; /* 0x00 or 0x80 */
+ } mr;
+
/* Push dequeues */
u32 sdq;
@@ -187,6 +174,9 @@ int qbman_result_has_new_result(struct q
void qbman_eq_desc_clear(struct qbman_eq_desc *d);
void qbman_eq_desc_set_no_orp(struct qbman_eq_desc *d, int respond_success);
+void qbman_eq_desc_set_orp(struct qbman_eq_desc *d, int respond_success,
+ u16 oprid, u16 seqnum, int incomplete);
+void qbman_eq_desc_set_orp_hole(struct qbman_eq_desc *d, u16 oprid, u16 seqnum);
void qbman_eq_desc_set_token(struct qbman_eq_desc *d, u8 token);
void qbman_eq_desc_set_fq(struct qbman_eq_desc *d, u32 fqid);
void qbman_eq_desc_set_qd(struct qbman_eq_desc *d, u32 qdid,
@@ -195,6 +185,8 @@ void qbman_eq_desc_set_qd(struct qbman_e
int qbman_swp_enqueue(struct qbman_swp *p, const struct qbman_eq_desc *d,
const struct dpaa2_fd *fd);
+int qbman_orp_drop(struct qbman_swp *s, u16 orpid, u16 seqnum);
+
void qbman_release_desc_clear(struct qbman_release_desc *d);
void qbman_release_desc_set_bpid(struct qbman_release_desc *d, u16 bpid);
void qbman_release_desc_set_rcdi(struct qbman_release_desc *d, int enable);
@@ -453,7 +445,7 @@ static inline int qbman_swp_CDAN_set_con
static inline void *qbman_swp_mc_complete(struct qbman_swp *swp, void *cmd,
u8 cmd_verb)
{
- int loopvar = 1000;
+ int loopvar = 2000;
qbman_swp_mc_submit(swp, cmd, cmd_verb);
@@ -466,4 +458,62 @@ static inline void *qbman_swp_mc_complet
return cmd;
}
+/* Query APIs */
+struct qbman_fq_query_np_rslt {
+ u8 verb;
+ u8 rslt;
+ u8 st1;
+ u8 st2;
+ u8 reserved[2];
+ __le16 od1_sfdr;
+ __le16 od2_sfdr;
+ __le16 od3_sfdr;
+ __le16 ra1_sfdr;
+ __le16 ra2_sfdr;
+ __le32 pfdr_hptr;
+ __le32 pfdr_tptr;
+ __le32 frm_cnt;
+ __le32 byte_cnt;
+ __le16 ics_surp;
+ u8 is;
+ u8 reserved2[29];
+};
+
+int qbman_fq_query_state(struct qbman_swp *s, u32 fqid,
+ struct qbman_fq_query_np_rslt *r);
+u32 qbman_fq_state_frame_count(const struct qbman_fq_query_np_rslt *r);
+u32 qbman_fq_state_byte_count(const struct qbman_fq_query_np_rslt *r);
+
+struct qbman_bp_query_rslt {
+ u8 verb;
+ u8 rslt;
+ u8 reserved[4];
+ u8 bdi;
+ u8 state;
+ __le32 fill;
+ __le32 hdotr;
+ __le16 swdet;
+ __le16 swdxt;
+ __le16 hwdet;
+ __le16 hwdxt;
+ __le16 swset;
+ __le16 swsxt;
+ __le16 vbpid;
+ __le16 icid;
+ __le64 bpscn_addr;
+ __le64 bpscn_ctx;
+ __le16 hw_targ;
+ u8 dbe;
+ u8 reserved2;
+ u8 sdcnt;
+ u8 hdcnt;
+ u8 sscnt;
+ u8 reserved3[9];
+};
+
+int qbman_bp_query(struct qbman_swp *s, u16 bpid,
+ struct qbman_bp_query_rslt *r);
+
+u32 qbman_bp_info_num_free_bufs(struct qbman_bp_query_rslt *a);
+
#endif /* __FSL_QBMAN_PORTAL_H */
--- a/drivers/staging/fsl-mc/bus/dpmcp.c
+++ b/drivers/staging/fsl-mc/bus/dpmcp.c
@@ -1,33 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
* Copyright 2013-2016 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 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.
- *
- * 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.
*/
#include <linux/kernel.h>
#include "../include/mc.h"
--- a/drivers/staging/fsl-mc/bus/dprc-driver.c
+++ b/drivers/staging/fsl-mc/bus/dprc-driver.c
@@ -1,12 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Freescale data path resource container (DPRC) driver
*
* Copyright (C) 2014-2016 Freescale Semiconductor, Inc.
* Author: German Rivera <German.Rivera@freescale.com>
*
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
*/
#include <linux/module.h>
--- a/drivers/staging/fsl-mc/bus/dprc.c
+++ b/drivers/staging/fsl-mc/bus/dprc.c
@@ -1,33 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
* Copyright 2013-2016 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 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.
- *
- * 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.
*/
#include <linux/kernel.h>
#include "../include/mc.h"
--- a/drivers/staging/fsl-mc/bus/fsl-mc-allocator.c
+++ b/drivers/staging/fsl-mc/bus/fsl-mc-allocator.c
@@ -1,11 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* fsl-mc object allocator driver
*
* Copyright (C) 2013-2016 Freescale Semiconductor, Inc.
*
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
*/
#include <linux/module.h>
--- a/drivers/staging/fsl-mc/bus/fsl-mc-bus.c
+++ b/drivers/staging/fsl-mc/bus/fsl-mc-bus.c
@@ -1,12 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Freescale Management Complex (MC) bus driver
*
* Copyright (C) 2014-2016 Freescale Semiconductor, Inc.
* Author: German Rivera <German.Rivera@freescale.com>
*
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
*/
#define pr_fmt(fmt) "fsl-mc: " fmt
--- a/drivers/staging/fsl-mc/bus/fsl-mc-msi.c
+++ b/drivers/staging/fsl-mc/bus/fsl-mc-msi.c
@@ -1,12 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Freescale Management Complex (MC) bus driver MSI support
*
* Copyright (C) 2015-2016 Freescale Semiconductor, Inc.
* Author: German Rivera <German.Rivera@freescale.com>
*
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
*/
#include <linux/of_device.h>
--- a/drivers/staging/fsl-mc/bus/fsl-mc-private.h
+++ b/drivers/staging/fsl-mc/bus/fsl-mc-private.h
@@ -1,11 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Freescale Management Complex (MC) bus private declarations
*
* Copyright (C) 2016 Freescale Semiconductor, Inc.
*
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
*/
#ifndef _FSL_MC_PRIVATE_H_
#define _FSL_MC_PRIVATE_H_
--- a/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c
+++ b/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c
@@ -1,12 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Freescale Management Complex (MC) bus driver MSI support
*
* Copyright (C) 2015-2016 Freescale Semiconductor, Inc.
* Author: German Rivera <German.Rivera@freescale.com>
*
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
*/
#include <linux/of_device.h>
--- a/drivers/staging/fsl-mc/bus/mc-io.c
+++ b/drivers/staging/fsl-mc/bus/mc-io.c
@@ -1,33 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
* Copyright 2013-2016 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 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.
- *
- * 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.
*/
#include <linux/io.h>
--- a/drivers/staging/fsl-mc/bus/mc-sys.c
+++ b/drivers/staging/fsl-mc/bus/mc-sys.c
@@ -1,35 +1,9 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
* Copyright 2013-2016 Freescale Semiconductor Inc.
*
* I/O services to send MC commands to the MC hardware
*
- * 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.
- *
- * 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.
*/
#include <linux/delay.h>
--- a/drivers/staging/fsl-mc/include/dpaa2-fd.h
+++ b/drivers/staging/fsl-mc/include/dpaa2-fd.h
@@ -1,33 +1,8 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
/*
* Copyright 2014-2016 Freescale Semiconductor Inc.
* Copyright 2016 NXP
*
- * 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_FD_H
#define __FSL_DPAA2_FD_H
@@ -91,6 +66,27 @@ struct dpaa2_fd {
#define SG_BPID_MASK 0x3FFF
#define SG_FINAL_FLAG_MASK 0x1
#define SG_FINAL_FLAG_SHIFT 15
+#define FL_SHORT_LEN_FLAG_MASK 0x1
+#define FL_SHORT_LEN_FLAG_SHIFT 14
+#define FL_SHORT_LEN_MASK 0x3FFFF
+#define FL_OFFSET_MASK 0x0FFF
+#define FL_FORMAT_MASK 0x3
+#define FL_FORMAT_SHIFT 12
+#define FL_BPID_MASK 0x3FFF
+#define FL_FINAL_FLAG_MASK 0x1
+#define FL_FINAL_FLAG_SHIFT 15
+
+/* Error bits in FD CTRL */
+#define FD_CTRL_ERR_MASK 0x000000FF
+#define FD_CTRL_UFD 0x00000004
+#define FD_CTRL_SBE 0x00000008
+#define FD_CTRL_FLC 0x00000010
+#define FD_CTRL_FSE 0x00000020
+#define FD_CTRL_FAERR 0x00000040
+
+/* Annotation bits in FD CTRL */
+#define FD_CTRL_PTA 0x00800000
+#define FD_CTRL_PTV1 0x00400000
enum dpaa2_fd_format {
dpaa2_fd_single = 0,
@@ -312,7 +308,7 @@ enum dpaa2_sg_format {
*/
static inline dma_addr_t dpaa2_sg_get_addr(const struct dpaa2_sg_entry *sg)
{
- return le64_to_cpu((dma_addr_t)sg->addr);
+ return (dma_addr_t)le64_to_cpu(sg->addr);
}
/**
@@ -443,9 +439,243 @@ static inline bool dpaa2_sg_is_final(con
*/
static inline void dpaa2_sg_set_final(struct dpaa2_sg_entry *sg, bool final)
{
- sg->format_offset &= cpu_to_le16(~(SG_FINAL_FLAG_MASK
- << SG_FINAL_FLAG_SHIFT));
+ sg->format_offset &= cpu_to_le16((~(SG_FINAL_FLAG_MASK
+ << SG_FINAL_FLAG_SHIFT)) & 0xFFFF);
sg->format_offset |= cpu_to_le16(final << SG_FINAL_FLAG_SHIFT);
}
+/**
+ * struct dpaa2_fl_entry - structure for frame list entry.
+ * @addr: address in the FLE
+ * @len: length in the FLE
+ * @bpid: buffer pool ID
+ * @format_offset: format, offset, and short-length fields
+ * @frc: frame context
+ * @ctrl: control bits...including pta, pvt1, pvt2, err, etc
+ * @flc: flow context address
+ */
+struct dpaa2_fl_entry {
+ __le64 addr;
+ __le32 len;
+ __le16 bpid;
+ __le16 format_offset;
+ __le32 frc;
+ __le32 ctrl;
+ __le64 flc;
+};
+
+enum dpaa2_fl_format {
+ dpaa2_fl_single = 0,
+ dpaa2_fl_res,
+ dpaa2_fl_sg
+};
+
+/**
+ * dpaa2_fl_get_addr() - get the addr field of FLE
+ * @fle: the given frame list entry
+ *
+ * Return the address in the frame list entry.
+ */
+static inline dma_addr_t dpaa2_fl_get_addr(const struct dpaa2_fl_entry *fle)
+{
+ return (dma_addr_t)le64_to_cpu(fle->addr);
+}
+
+/**
+ * dpaa2_fl_set_addr() - Set the addr field of FLE
+ * @fle: the given frame list entry
+ * @addr: the address needs to be set in frame list entry
+ */
+static inline void dpaa2_fl_set_addr(struct dpaa2_fl_entry *fle,
+ dma_addr_t addr)
+{
+ fle->addr = cpu_to_le64(addr);
+}
+
+/**
+ * dpaa2_fl_get_frc() - Get the frame context in the FLE
+ * @fle: the given frame list entry
+ *
+ * Return the frame context field in the frame lsit entry.
+ */
+static inline u32 dpaa2_fl_get_frc(const struct dpaa2_fl_entry *fle)
+{
+ return le32_to_cpu(fle->frc);
+}
+
+/**
+ * dpaa2_fl_set_frc() - Set the frame context in the FLE
+ * @fle: the given frame list entry
+ * @frc: the frame context needs to be set in frame list entry
+ */
+static inline void dpaa2_fl_set_frc(struct dpaa2_fl_entry *fle, u32 frc)
+{
+ fle->frc = cpu_to_le32(frc);
+}
+
+/**
+ * dpaa2_fl_get_ctrl() - Get the control bits in the FLE
+ * @fle: the given frame list entry
+ *
+ * Return the control bits field in the frame list entry.
+ */
+static inline u32 dpaa2_fl_get_ctrl(const struct dpaa2_fl_entry *fle)
+{
+ return le32_to_cpu(fle->ctrl);
+}
+
+/**
+ * dpaa2_fl_set_ctrl() - Set the control bits in the FLE
+ * @fle: the given frame list entry
+ * @ctrl: the control bits to be set in the frame list entry
+ */
+static inline void dpaa2_fl_set_ctrl(struct dpaa2_fl_entry *fle, u32 ctrl)
+{
+ fle->ctrl = cpu_to_le32(ctrl);
+}
+
+/**
+ * dpaa2_fl_get_flc() - Get the flow context in the FLE
+ * @fle: the given frame list entry
+ *
+ * Return the flow context in the frame list entry.
+ */
+static inline dma_addr_t dpaa2_fl_get_flc(const struct dpaa2_fl_entry *fle)
+{
+ return (dma_addr_t)le64_to_cpu(fle->flc);
+}
+
+/**
+ * dpaa2_fl_set_flc() - Set the flow context field of FLE
+ * @fle: the given frame list entry
+ * @flc_addr: the flow context needs to be set in frame list entry
+ */
+static inline void dpaa2_fl_set_flc(struct dpaa2_fl_entry *fle,
+ dma_addr_t flc_addr)
+{
+ fle->flc = cpu_to_le64(flc_addr);
+}
+
+static inline bool dpaa2_fl_short_len(const struct dpaa2_fl_entry *fle)
+{
+ return !!((le16_to_cpu(fle->format_offset) >>
+ FL_SHORT_LEN_FLAG_SHIFT) & FL_SHORT_LEN_FLAG_MASK);
+}
+
+/**
+ * dpaa2_fl_get_len() - Get the length in the FLE
+ * @fle: the given frame list entry
+ *
+ * Return the length field in the frame list entry.
+ */
+static inline u32 dpaa2_fl_get_len(const struct dpaa2_fl_entry *fle)
+{
+ if (dpaa2_fl_short_len(fle))
+ return le32_to_cpu(fle->len) & FL_SHORT_LEN_MASK;
+
+ return le32_to_cpu(fle->len);
+}
+
+/**
+ * dpaa2_fl_set_len() - Set the length field of FLE
+ * @fle: the given frame list entry
+ * @len: the length needs to be set in frame list entry
+ */
+static inline void dpaa2_fl_set_len(struct dpaa2_fl_entry *fle, u32 len)
+{
+ fle->len = cpu_to_le32(len);
+}
+
+/**
+ * dpaa2_fl_get_offset() - Get the offset field in the frame list entry
+ * @fle: the given frame list entry
+ *
+ * Return the offset.
+ */
+static inline u16 dpaa2_fl_get_offset(const struct dpaa2_fl_entry *fle)
+{
+ return le16_to_cpu(fle->format_offset) & FL_OFFSET_MASK;
+}
+
+/**
+ * dpaa2_fl_set_offset() - Set the offset field of FLE
+ * @fle: the given frame list entry
+ * @offset: the offset needs to be set in frame list entry
+ */
+static inline void dpaa2_fl_set_offset(struct dpaa2_fl_entry *fle, u16 offset)
+{
+ fle->format_offset &= cpu_to_le16(~FL_OFFSET_MASK);
+ fle->format_offset |= cpu_to_le16(offset);
+}
+
+/**
+ * dpaa2_fl_get_format() - Get the format field in the FLE
+ * @fle: the given frame list entry
+ *
+ * Return the format.
+ */
+static inline enum dpaa2_fl_format dpaa2_fl_get_format(
+ const struct dpaa2_fl_entry *fle)
+{
+ return (enum dpaa2_fl_format)((le16_to_cpu(fle->format_offset) >>
+ FL_FORMAT_SHIFT) & FL_FORMAT_MASK);
+}
+
+/**
+ * dpaa2_fl_set_format() - Set the format field of FLE
+ * @fle: the given frame list entry
+ * @format: the format needs to be set in frame list entry
+ */
+static inline void dpaa2_fl_set_format(struct dpaa2_fl_entry *fle,
+ enum dpaa2_fl_format format)
+{
+ fle->format_offset &= cpu_to_le16(~(FL_FORMAT_MASK << FL_FORMAT_SHIFT));
+ fle->format_offset |= cpu_to_le16(format << FL_FORMAT_SHIFT);
+}
+
+/**
+ * dpaa2_fl_get_bpid() - Get the bpid field in the FLE
+ * @fle: the given frame list entry
+ *
+ * Return the buffer pool id.
+ */
+static inline u16 dpaa2_fl_get_bpid(const struct dpaa2_fl_entry *fle)
+{
+ return le16_to_cpu(fle->bpid) & FL_BPID_MASK;
+}
+
+/**
+ * dpaa2_fl_set_bpid() - Set the bpid field of FLE
+ * @fle: the given frame list entry
+ * @bpid: buffer pool id to be set
+ */
+static inline void dpaa2_fl_set_bpid(struct dpaa2_fl_entry *fle, u16 bpid)
+{
+ fle->bpid &= cpu_to_le16(~(FL_BPID_MASK));
+ fle->bpid |= cpu_to_le16(bpid);
+}
+
+/**
+ * dpaa2_fl_is_final() - Check final bit in FLE
+ * @fle: the given frame list entry
+ *
+ * Return bool.
+ */
+static inline bool dpaa2_fl_is_final(const struct dpaa2_fl_entry *fle)
+{
+ return !!(le16_to_cpu(fle->format_offset) >> FL_FINAL_FLAG_SHIFT);
+}
+
+/**
+ * dpaa2_fl_set_final() - Set the final bit in FLE
+ * @fle: the given frame list entry
+ * @final: the final boolean to be set
+ */
+static inline void dpaa2_fl_set_final(struct dpaa2_fl_entry *fle, bool final)
+{
+ fle->format_offset &= cpu_to_le16(~(FL_FINAL_FLAG_MASK <<
+ FL_FINAL_FLAG_SHIFT));
+ fle->format_offset |= cpu_to_le16(final << FL_FINAL_FLAG_SHIFT);
+}
+
#endif /* __FSL_DPAA2_FD_H */
--- a/drivers/staging/fsl-mc/include/dpaa2-global.h
+++ b/drivers/staging/fsl-mc/include/dpaa2-global.h
@@ -1,33 +1,8 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
/*
* Copyright 2014-2016 Freescale Semiconductor Inc.
* Copyright 2016 NXP
*
- * 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
--- a/drivers/staging/fsl-mc/include/dpaa2-io.h
+++ b/drivers/staging/fsl-mc/include/dpaa2-io.h
@@ -1,33 +1,8 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
/*
* Copyright 2014-2016 Freescale Semiconductor Inc.
- * Copyright NXP
+ * Copyright 2017 NXP
*
- * 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_IO_H
#define __FSL_DPAA2_IO_H
@@ -77,17 +52,20 @@ struct dpaa2_io_desc {
int has_8prio;
int cpu;
void *regs_cena;
- void *regs_cinh;
+ void __iomem *regs_cinh;
int dpio_id;
u32 qman_version;
};
-struct dpaa2_io *dpaa2_io_create(const struct dpaa2_io_desc *desc);
+struct dpaa2_io *dpaa2_io_create(const struct dpaa2_io_desc *desc,
+ struct device *dev);
void dpaa2_io_down(struct dpaa2_io *d);
irqreturn_t dpaa2_io_irq(struct dpaa2_io *obj);
+struct dpaa2_io *dpaa2_io_service_select(int cpu);
+
/**
* struct dpaa2_io_notification_ctx - The DPIO notification context structure
* @cb: The callback to be invoked when the notification arrives
@@ -103,7 +81,7 @@ irqreturn_t dpaa2_io_irq(struct dpaa2_io
* Used when a FQDAN/CDAN registration is made by drivers.
*/
struct dpaa2_io_notification_ctx {
- void (*cb)(struct dpaa2_io_notification_ctx *);
+ void (*cb)(struct dpaa2_io_notification_ctx *ctx);
int is_cdan;
u32 id;
int desired_cpu;
@@ -113,10 +91,14 @@ struct dpaa2_io_notification_ctx {
void *dpio_private;
};
+int dpaa2_io_get_cpu(struct dpaa2_io *d);
+
int dpaa2_io_service_register(struct dpaa2_io *service,
- struct dpaa2_io_notification_ctx *ctx);
+ struct dpaa2_io_notification_ctx *ctx,
+ struct device *dev);
void dpaa2_io_service_deregister(struct dpaa2_io *service,
- struct dpaa2_io_notification_ctx *ctx);
+ struct dpaa2_io_notification_ctx *ctx,
+ struct device *dev);
int dpaa2_io_service_rearm(struct dpaa2_io *service,
struct dpaa2_io_notification_ctx *ctx);
@@ -129,9 +111,9 @@ int dpaa2_io_service_enqueue_fq(struct d
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,
+int dpaa2_io_service_release(struct dpaa2_io *d, u16 bpid,
const u64 *buffers, unsigned int num_buffers);
-int dpaa2_io_service_acquire(struct dpaa2_io *d, u32 bpid,
+int dpaa2_io_service_acquire(struct dpaa2_io *d, u16 bpid,
u64 *buffers, unsigned int num_buffers);
struct dpaa2_io_store *dpaa2_io_store_create(unsigned int max_frames,
@@ -139,4 +121,64 @@ struct dpaa2_io_store *dpaa2_io_store_cr
void dpaa2_io_store_destroy(struct dpaa2_io_store *s);
struct dpaa2_dq *dpaa2_io_store_next(struct dpaa2_io_store *s, int *is_last);
+/* Order Restoration Support */
+int dpaa2_io_service_enqueue_orp_fq(struct dpaa2_io *d, u32 fqid,
+ const struct dpaa2_fd *fd, u16 orpid,
+ u16 seqnum, int last);
+
+int dpaa2_io_service_enqueue_orp_qd(struct dpaa2_io *d, u32 qdid, u8 prio,
+ u16 qdbin, const struct dpaa2_fd *fd,
+ u16 orpid, u16 seqnum, int last);
+
+int dpaa2_io_service_orp_seqnum_drop(struct dpaa2_io *d, u16 orpid,
+ u16 seqnum);
+
+/***************/
+/* CSCN */
+/***************/
+
+/**
+ * struct dpaa2_cscn - The CSCN message format
+ * @verb: identifies the type of message (should be 0x27).
+ * @stat: status bits related to dequeuing response (not used)
+ * @state: bit 0 = 0/1 if CG is no/is congested
+ * @reserved: reserved byte
+ * @cgid: congest grp ID - the first 16 bits
+ * @ctx: context data
+ *
+ * Congestion management can be implemented in software through
+ * the use of Congestion State Change Notifications (CSCN). These
+ * are messages written by DPAA2 hardware to memory whenever the
+ * instantaneous count (I_CNT field in the CG) exceeds the
+ * Congestion State (CS) entrance threshold, signifying congestion
+ * entrance, or when the instantaneous count returns below exit
+ * threshold, signifying congestion exit. The format of the message
+ * is given by the dpaa2_cscn structure. Bit 0 of the state field
+ * represents congestion state written by the hardware.
+ */
+struct dpaa2_cscn {
+ u8 verb;
+ u8 stat;
+ u8 state;
+ u8 reserved;
+ __le32 cgid;
+ __le64 ctx;
+};
+
+#define DPAA2_CSCN_SIZE 64
+#define DPAA2_CSCN_ALIGN 16
+
+#define DPAA2_CSCN_STATE_MASK 0x1
+#define DPAA2_CSCN_CONGESTED 1
+
+static inline bool dpaa2_cscn_state_congested(struct dpaa2_cscn *cscn)
+{
+ return ((cscn->state & DPAA2_CSCN_STATE_MASK) == DPAA2_CSCN_CONGESTED);
+}
+
+int dpaa2_io_query_fq_count(struct dpaa2_io *d, u32 fqid,
+ u32 *fcnt, u32 *bcnt);
+int dpaa2_io_query_bp_count(struct dpaa2_io *d, u16 bpid,
+ u32 *num);
+
#endif /* __FSL_DPAA2_IO_H */
--- a/drivers/staging/fsl-mc/include/dpbp.h
+++ b/drivers/staging/fsl-mc/include/dpbp.h
@@ -1,34 +1,7 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
/*
* Copyright 2013-2016 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 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.
- *
- *
- * 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_DPBP_H
#define __FSL_DPBP_H
--- a/drivers/staging/fsl-mc/include/dpcon.h
+++ b/drivers/staging/fsl-mc/include/dpcon.h
@@ -1,33 +1,7 @@
-/* Copyright 2013-2016 Freescale Semiconductor Inc.
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
+/*
+ * Copyright 2013-2016 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 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.
- *
- *
- * 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_DPCON_H
#define __FSL_DPCON_H
--- /dev/null
+++ b/drivers/staging/fsl-mc/include/dpopr.h
@@ -0,0 +1,110 @@
+/*
+ * Copyright 2017 NXP
+ *
+ * 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.
+ *
+ *
+ * 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_DPOPR_H_
+#define __FSL_DPOPR_H_
+
+/* Data Path Order Restoration API
+ * Contains initialization APIs and runtime APIs for the Order Restoration
+ */
+
+/** Order Restoration properties */
+
+/**
+ * Create a new Order Point Record option
+ */
+#define OPR_OPT_CREATE 0x1
+/**
+ * Retire an existing Order Point Record option
+ */
+#define OPR_OPT_RETIRE 0x2
+
+/**
+ * struct opr_cfg - Structure representing OPR configuration
+ * @oprrws: Order point record (OPR) restoration window size (0 to 5)
+ * 0 - Window size is 32 frames.
+ * 1 - Window size is 64 frames.
+ * 2 - Window size is 128 frames.
+ * 3 - Window size is 256 frames.
+ * 4 - Window size is 512 frames.
+ * 5 - Window size is 1024 frames.
+ * @oa: OPR auto advance NESN window size (0 disabled, 1 enabled)
+ * @olws: OPR acceptable late arrival window size (0 to 3)
+ * 0 - Disabled. Late arrivals are always rejected.
+ * 1 - Window size is 32 frames.
+ * 2 - Window size is the same as the OPR restoration
+ * window size configured in the OPRRWS field.
+ * 3 - Window size is 8192 frames. Late arrivals are
+ * always accepted.
+ * @oeane: Order restoration list (ORL) resource exhaustion
+ * advance NESN enable (0 disabled, 1 enabled)
+ * @oloe: OPR loose ordering enable (0 disabled, 1 enabled)
+ */
+struct opr_cfg {
+ u8 oprrws;
+ u8 oa;
+ u8 olws;
+ u8 oeane;
+ u8 oloe;
+};
+
+/**
+ * struct opr_qry - Structure representing OPR configuration
+ * @enable: Enabled state
+ * @rip: Retirement In Progress
+ * @ndsn: Next dispensed sequence number
+ * @nesn: Next expected sequence number
+ * @ea_hseq: Early arrival head sequence number
+ * @hseq_nlis: HSEQ not last in sequence
+ * @ea_tseq: Early arrival tail sequence number
+ * @tseq_nlis: TSEQ not last in sequence
+ * @ea_tptr: Early arrival tail pointer
+ * @ea_hptr: Early arrival head pointer
+ * @opr_id: Order Point Record ID
+ * @opr_vid: Order Point Record Virtual ID
+ */
+struct opr_qry {
+ char enable;
+ char rip;
+ u16 ndsn;
+ u16 nesn;
+ u16 ea_hseq;
+ char hseq_nlis;
+ u16 ea_tseq;
+ char tseq_nlis;
+ u16 ea_tptr;
+ u16 ea_hptr;
+ u16 opr_id;
+ u16 opr_vid;
+};
+
+#endif /* __FSL_DPOPR_H_ */
--- a/drivers/staging/fsl-mc/include/mc.h
+++ b/drivers/staging/fsl-mc/include/mc.h
@@ -1,12 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Freescale Management Complex (MC) bus public interface
*
* Copyright (C) 2014-2016 Freescale Semiconductor, Inc.
* Author: German Rivera <German.Rivera@freescale.com>
*
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
*/
#ifndef _FSL_MC_H_
#define _FSL_MC_H_