From: Wu Hao <hao.wu@intel.com>
To: atull@kernel.org, mdf@kernel.org, linux-fpga@vger.kernel.org,
linux-kernel@vger.kernel.org
Cc: linux-api@vger.kernel.org, luwei.kang@intel.com,
yi.z.zhang@intel.com, hao.wu@intel.com,
Tim Whisonant <tim.whisonant@intel.com>,
Enno Luebbers <enno.luebbers@intel.com>,
Shiva Rao <shiva.rao@intel.com>,
Christopher Rauer <christopher.rauer@intel.com>
Subject: [PATCH v3 16/21] fpga: dfl: add fpga region platform driver for FME
Date: Mon, 27 Nov 2017 14:42:23 +0800 [thread overview]
Message-ID: <1511764948-20972-17-git-send-email-hao.wu@intel.com> (raw)
In-Reply-To: <1511764948-20972-1-git-send-email-hao.wu@intel.com>
This patch adds fpga region platform driver for FPGA Management Engine.
It register an fpga region with given fpga manager / bridge device.
Signed-off-by: Tim Whisonant <tim.whisonant@intel.com>
Signed-off-by: Enno Luebbers <enno.luebbers@intel.com>
Signed-off-by: Shiva Rao <shiva.rao@intel.com>
Signed-off-by: Christopher Rauer <christopher.rauer@intel.com>
Signed-off-by: Wu Hao <hao.wu@intel.com>
----
v3: rename driver to fpga-dfl-fme-region
fix fpga_mgr_put order problem in remove function.
rebased due to fpga api changes.
---
drivers/fpga/Kconfig | 6 +++
drivers/fpga/Makefile | 1 +
drivers/fpga/fpga-dfl-fme-region.c | 92 ++++++++++++++++++++++++++++++++++++++
3 files changed, 99 insertions(+)
create mode 100644 drivers/fpga/fpga-dfl-fme-region.c
diff --git a/drivers/fpga/Kconfig b/drivers/fpga/Kconfig
index 3804064..2df9dfd 100644
--- a/drivers/fpga/Kconfig
+++ b/drivers/fpga/Kconfig
@@ -162,6 +162,12 @@ config FPGA_DFL_FME_BRIDGE
help
Say Y to enable FPGA Bridge driver for FPGA Management Engine.
+config FPGA_DFL_FME_REGION
+ tristate "FPGA DFL FME Region Driver"
+ depends on FPGA_DFL_FME
+ help
+ Say Y to enable FPGA Region driver for FPGA Management Engine.
+
config INTEL_FPGA_DFL_PCI
tristate "Intel FPGA DFL PCIe Device Driver"
depends on PCI && FPGA_DFL
diff --git a/drivers/fpga/Makefile b/drivers/fpga/Makefile
index 3c8c4c7..11777d3 100644
--- a/drivers/fpga/Makefile
+++ b/drivers/fpga/Makefile
@@ -33,6 +33,7 @@ obj-$(CONFIG_FPGA_DFL) += fpga-dfl.o
obj-$(CONFIG_FPGA_DFL_FME) += fpga-dfl-fme.o
obj-$(CONFIG_FPGA_DFL_FME_MGR) += fpga-dfl-fme-mgr.o
obj-$(CONFIG_FPGA_DFL_FME_BRIDGE) += fpga-dfl-fme-br.o
+obj-$(CONFIG_FPGA_DFL_FME_REGION) += fpga-dfl-fme-region.o
fpga-dfl-fme-objs := dfl-fme-main.o dfl-fme-pr.o
diff --git a/drivers/fpga/fpga-dfl-fme-region.c b/drivers/fpga/fpga-dfl-fme-region.c
new file mode 100644
index 0000000..0b988ab
--- /dev/null
+++ b/drivers/fpga/fpga-dfl-fme-region.c
@@ -0,0 +1,92 @@
+/*
+ * FPGA Region Driver for FPGA Management Engine (FME)
+ *
+ * Copyright (C) 2017 Intel Corporation, Inc.
+ *
+ * Authors:
+ * Wu Hao <hao.wu@intel.com>
+ * Joseph Grecco <joe.grecco@intel.com>
+ * Enno Luebbers <enno.luebbers@intel.com>
+ * Tim Whisonant <tim.whisonant@intel.com>
+ * Ananda Ravuri <ananda.ravuri@intel.com>
+ * Henry Mitchel <henry.mitchel@intel.com>
+ *
+ * This work is licensed under the terms of the GNU GPL version 2.
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <linux/module.h>
+#include <linux/fpga/fpga-region.h>
+
+#include "fpga-dfl.h"
+#include "dfl-fme.h"
+
+static int fme_region_get_bridges(struct fpga_region *region)
+{
+ struct fme_region_pdata *pdata = region->priv;
+ struct device *dev = &pdata->br->dev;
+
+ return fpga_bridge_get_to_list(dev, region->info, ®ion->bridge_list);
+}
+
+static int fme_region_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct fme_region_pdata *pdata = dev_get_platdata(dev);
+ struct fpga_region *region;
+ struct fpga_manager *mgr;
+ int ret;
+
+ mgr = fpga_mgr_get(&pdata->mgr->dev);
+ if (IS_ERR(mgr))
+ return -EPROBE_DEFER;
+
+ region = devm_kzalloc(dev, sizeof(*region), GFP_KERNEL);
+ if (!region) {
+ ret = -ENOMEM;
+ goto eprobe_mgr_put;
+ }
+
+ region->mgr = mgr;
+ region->get_bridges = fme_region_get_bridges;
+ region->priv = pdata;
+ region->parent = dev;
+ platform_set_drvdata(pdev, region);
+
+ ret = fpga_region_register(region);
+ if (ret)
+ goto eprobe_mgr_put;
+
+ dev_dbg(dev, "DFL FME FPGA Region probed\n");
+
+ return 0;
+
+eprobe_mgr_put:
+ fpga_mgr_put(mgr);
+ return ret;
+}
+
+static int fme_region_remove(struct platform_device *pdev)
+{
+ struct fpga_region *region = dev_get_drvdata(&pdev->dev);
+
+ fpga_region_unregister(region);
+ fpga_mgr_put(region->mgr);
+
+ return 0;
+}
+
+static struct platform_driver fme_region_driver = {
+ .driver = {
+ .name = FPGA_DFL_FME_REGION,
+ },
+ .probe = fme_region_probe,
+ .remove = fme_region_remove,
+};
+
+module_platform_driver(fme_region_driver);
+
+MODULE_DESCRIPTION("FPGA Region for FPGA Management Engine");
+MODULE_AUTHOR("Intel Corporation");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:fpga-dfl-fme-region");
--
1.8.3.1
next prev parent reply other threads:[~2017-11-27 6:42 UTC|newest]
Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-27 6:42 [PATCH v3 00/21] Intel FPGA Device Drivers Wu Hao
2017-11-27 6:42 ` [PATCH v3 02/21] fpga: mgr: add region_id to fpga_image_info Wu Hao
[not found] ` <1511764948-20972-3-git-send-email-hao.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2017-11-29 6:11 ` Moritz Fischer
2017-12-04 20:26 ` Alan Tull
[not found] ` <CANk1AXTbrD3w=VEzXqTRfebgTYSRNGANthwN_PLVz8WWtxb7CA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-12-05 3:36 ` Wu Hao
2018-01-31 15:35 ` Alan Tull
2018-02-01 5:05 ` Wu Hao
2017-11-27 6:42 ` [PATCH v3 03/21] fpga: mgr: add status for fpga-manager Wu Hao
[not found] ` <1511764948-20972-4-git-send-email-hao.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2017-12-04 20:55 ` Alan Tull
[not found] ` <CANk1AXSPQb3=bwaRQsysuiM5NiS6KpKRazP-WNLuus-C=UP6pg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-12-05 4:08 ` Wu Hao
2017-12-12 18:18 ` Alan Tull
[not found] ` <CANk1AXTGdskD9rT5wty1pFeBQ9jK5BhRZFCVbkY3iG9EeEXOvQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-12-13 4:48 ` Wu Hao
2017-11-27 6:42 ` [PATCH v3 05/21] fpga: dfl: add chardev support for feature devices Wu Hao
2017-11-27 6:42 ` [PATCH v3 06/21] fpga: dfl: adds fpga_cdev_find_port Wu Hao
2018-02-05 22:08 ` Alan Tull
2018-02-06 2:37 ` Wu Hao
2017-11-27 6:42 ` [PATCH v3 07/21] fpga: dfl: add feature device infrastructure Wu Hao
2017-11-27 6:42 ` [PATCH v3 08/21] fpga: add Intel FPGA DFL PCIe device Wu Hao
2017-11-27 10:28 ` David Laight
[not found] ` <f5ae8e5edf88420e89cfbe754407b92e-1XygrNkDbNvwg4NCKwmqgw@public.gmane.org>
2017-11-28 3:15 ` Wu Hao
2017-12-04 19:46 ` Alan Tull
[not found] ` <CANk1AXRBEcz5_j+v0oTAXfH10hrPbHGabdR8Pqt07exYxYgfCw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-12-05 3:33 ` Wu Hao
2017-12-05 17:00 ` Alan Tull
2017-12-06 5:30 ` Wu Hao
2017-12-06 9:44 ` David Laight
[not found] ` <e73f5bc9bfc54efcb7b7c43c66379452-1XygrNkDbNvwg4NCKwmqgw@public.gmane.org>
2017-12-06 15:29 ` Alan Tull
2017-12-06 16:28 ` David Laight
2017-12-06 22:39 ` Alan Tull
2018-02-01 21:59 ` Alan Tull
2018-02-13 9:36 ` Wu Hao
2017-12-06 9:34 ` David Laight
[not found] ` <391be54799604c1fb3d7b80c7ad6d111-1XygrNkDbNvwg4NCKwmqgw@public.gmane.org>
2017-12-07 3:47 ` Wu Hao
2017-12-06 9:31 ` David Laight
2017-11-27 6:42 ` [PATCH v3 09/21] fpga: intel-dfl-pci: add enumeration for feature devices Wu Hao
[not found] ` <1511764948-20972-10-git-send-email-hao.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2017-12-07 21:41 ` Alan Tull
[not found] ` <CANk1AXQ3+Y6De1i6i0YacUxS+vBzhEfRX_jJ_wQKJOCWmYetxw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-12-08 9:25 ` Wu Hao
2017-11-27 6:42 ` [PATCH v3 10/21] fpga: dfl: add FPGA Management Engine driver basic framework Wu Hao
2017-11-27 6:42 ` [PATCH v3 11/21] fpga: dfl: fme: add header sub feature support Wu Hao
[not found] ` <1511764948-20972-12-git-send-email-hao.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2018-02-12 16:51 ` Alan Tull
[not found] ` <CANk1AXR2Q4M4c1TOQhR2J_Mz5MjwZWbR0JUXCR5jFVL_kZtcag-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-13 3:44 ` Wu Hao
2017-11-27 6:42 ` [PATCH v3 12/21] fpga: dfl: fme: add FPGA_GET_API_VERSION/CHECK_EXTENSION ioctls support Wu Hao
[not found] ` <1511764948-20972-13-git-send-email-hao.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2018-01-31 15:31 ` Alan Tull
2018-02-01 5:11 ` Wu Hao
2018-02-01 15:11 ` Moritz Fischer
2017-11-27 6:42 ` [PATCH v3 13/21] fpga: dfl: fme: add partial reconfiguration sub feature support Wu Hao
2017-11-27 6:42 ` [PATCH v3 14/21] fpga: dfl: add fpga manager platform driver for FME Wu Hao
[not found] ` <1511764948-20972-15-git-send-email-hao.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2018-02-01 22:00 ` Alan Tull
2018-02-02 9:42 ` Wu Hao
2018-02-03 0:26 ` Luebbers, Enno
2018-02-03 10:41 ` Moritz Fischer
[not found] ` <20180203104124.luniynyrr6iwxozd-jTBNv906mVBPs60s1yRl3w@public.gmane.org>
2018-02-04 10:05 ` Wu Hao
2018-02-05 17:21 ` Alan Tull
[not found] ` <CANk1AXRxkUqPqknzb+-apvjZM6MFRom9fscHPmMc8MTYSLpooA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-06 2:17 ` Wu Hao
2018-02-06 4:25 ` Alan Tull
[not found] ` <CANk1AXTYtLu_cnKG75FjBRCf5FAoHFj6saNRncYPjQpJoXd1eg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-06 5:23 ` Wu Hao
2018-02-06 6:44 ` Moritz Fischer
[not found] ` <20180203002626.GA51125-8lsKh0Wp6ypIVPrYeAqNvTMJUdESFZ8XQQ4Iyu8u01E@public.gmane.org>
2018-02-04 9:37 ` Wu Hao
2018-02-05 18:36 ` Luebbers, Enno
[not found] ` <20180205183644.GA52136-8lsKh0Wp6yrYELzPhwCr0YT4S9po1h25@public.gmane.org>
2018-02-06 1:47 ` Wu Hao
2018-02-06 4:25 ` Alan Tull
[not found] ` <CANk1AXRe85Ns1_cUPdn02yS9Gc6i5cYYhko7snvjfzxQSzUzNA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-06 6:47 ` Wu Hao
2018-02-06 18:53 ` Alan Tull
2018-02-07 4:52 ` Wu Hao
2018-02-07 22:37 ` Alan Tull
2017-11-27 6:42 ` [PATCH v3 15/21] fpga: dfl: add fpga bridge " Wu Hao
[not found] ` <1511764948-20972-16-git-send-email-hao.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2018-01-31 15:16 ` Alan Tull
2018-02-01 5:15 ` Wu Hao
2018-02-01 15:11 ` Moritz Fischer
2017-11-27 6:42 ` Wu Hao [this message]
2018-01-31 20:46 ` [PATCH v3 16/21] fpga: dfl: add fpga region " Alan Tull
2018-02-01 5:23 ` Wu Hao
2018-02-01 15:13 ` Moritz Fischer
2017-11-27 6:42 ` [PATCH v3 17/21] fpga: dfl: add FPGA Accelerated Function Unit driver basic framework Wu Hao
2017-11-27 6:42 ` [PATCH v3 18/21] fpga: dfl: afu: add header sub feature support Wu Hao
[not found] ` <1511764948-20972-19-git-send-email-hao.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2018-02-12 17:43 ` Alan Tull
[not found] ` <CANk1AXT0s1W99cRvWmT80nB+Buivt9xmjziDAz6pyxY-EJF2Fw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-13 3:33 ` Wu Hao
2017-11-27 6:42 ` [PATCH v3 19/21] fpga: dfl: afu: add FPGA_GET_API_VERSION/CHECK_EXTENSION ioctls support Wu Hao
[not found] ` <1511764948-20972-20-git-send-email-hao.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2018-01-31 14:52 ` Alan Tull
2018-02-01 5:16 ` Wu Hao
2018-02-01 15:13 ` Moritz Fischer
[not found] ` <20180201151309.q3jjx42y6ldcrhc6-y7F9n2Zoz0NnbPI/LkqVKXLzTDPwzsqGqZgBStWHTEI@public.gmane.org>
2018-02-02 9:08 ` Wu Hao
2017-11-27 6:42 ` [PATCH v3 20/21] fpga: dfl: afu: add user afu sub feature support Wu Hao
2017-11-27 6:42 ` [PATCH v3 21/21] fpga: dfl: afu: add FPGA_PORT_DMA_MAP/UNMAP ioctls support Wu Hao
[not found] ` <1511764948-20972-1-git-send-email-hao.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2017-11-27 6:42 ` [PATCH v3 01/21] docs: fpga: add a document for Intel FPGA driver overview Wu Hao
2017-12-04 19:55 ` Alan Tull
2017-12-05 3:57 ` Wu Hao
2017-12-06 10:04 ` David Laight
[not found] ` <1511764948-20972-2-git-send-email-hao.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2017-12-20 22:31 ` Alan Tull
[not found] ` <CANk1AXTLBWXGUozXJdKRThJwLiHJ==B--DkkE+YRjveA2YvifQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-12-21 6:02 ` Wu Hao
2017-11-27 6:42 ` [PATCH v3 04/21] fpga: add device feature list support Wu Hao
[not found] ` <1511764948-20972-5-git-send-email-hao.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2017-11-29 6:07 ` Moritz Fischer
2017-11-30 5:59 ` Wu Hao
2017-12-20 22:29 ` Alan Tull
2017-12-21 0:58 ` Alan Tull
[not found] ` <CANk1AXR76T4x=BNcW=ukmcb45GadRPPcrtBDJEjxutCSHuNQNQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-12-21 7:22 ` Wu Hao
2017-12-22 8:45 ` Wu Hao
2018-01-31 23:22 ` Alan Tull
2017-11-27 21:26 ` [PATCH v3 00/21] Intel FPGA Device Drivers Alan Tull
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