DPDK patches and discussions
 help / color / mirror / Atom feed
From: rohit.raj@nxp.com
To: Hemant Agrawal <hemant.agrawal@nxp.com>,
	Sachin Saxena <sachin.saxena@nxp.com>,
	Ray Kinsella <mdr@ashroe.eu>, Neil Horman <nhorman@tuxdriver.com>,
	Nipun Gupta <nipun.gupta@nxp.com>,
	Anatoly Burakov <anatoly.burakov@intel.com>
Cc: dev@dpdk.org, Rohit Raj <rohit.raj@nxp.com>
Subject: [dpdk-dev] [PATCH v1 3/3] bus/fslmc: support bus close API
Date: Tue, 28 Jul 2020 22:12:52 +0530	[thread overview]
Message-ID: <20200728164252.2000-3-rohit.raj@nxp.com> (raw)
In-Reply-To: <20200728164252.2000-1-rohit.raj@nxp.com>

From: Rohit Raj <rohit.raj@nxp.com>

This patch add support for closing the bus objects which
were acquired In the bus probe.

Some devices need to be cleaned while in both primary and
secondary process and while some need to be cleaned only in
case of primary process.

The devices are closed as per the white list used while
creating the objects in a particular process.

Signed-off-by: Rohit Raj <rohit.raj@nxp.com>
---
 drivers/bus/fslmc/fslmc_bus.c               | 15 +++-
 drivers/bus/fslmc/fslmc_vfio.c              | 89 ++++++++++++++++++++-
 drivers/bus/fslmc/fslmc_vfio.h              |  3 +-
 drivers/bus/fslmc/portal/dpaa2_hw_dpbp.c    | 31 ++++++-
 drivers/bus/fslmc/portal/dpaa2_hw_dpci.c    | 32 +++++++-
 drivers/bus/fslmc/portal/dpaa2_hw_dpio.c    | 34 ++++++++
 drivers/bus/fslmc/rte_bus_fslmc_version.map |  1 +
 drivers/bus/fslmc/rte_fslmc.h               |  5 +-
 drivers/event/dpaa2/dpaa2_hw_dpcon.c        | 32 +++++++-
 drivers/net/dpaa2/dpaa2_mux.c               | 18 ++++-
 10 files changed, 252 insertions(+), 8 deletions(-)

diff --git a/drivers/bus/fslmc/fslmc_bus.c b/drivers/bus/fslmc/fslmc_bus.c
index beb3dd008..9d3da6be3 100644
--- a/drivers/bus/fslmc/fslmc_bus.c
+++ b/drivers/bus/fslmc/fslmc_bus.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
- *   Copyright 2016,2018-2019 NXP
+ *   Copyright 2016,2018-2020 NXP
  *
  */
 
@@ -365,6 +365,18 @@ rte_fslmc_match(struct rte_dpaa2_driver *dpaa2_drv,
 	return 1;
 }
 
+static int
+rte_fslmc_close(void)
+{
+	int ret = 0;
+
+	ret = fslmc_vfio_close_group();
+	if (ret)
+		DPAA2_BUS_ERR("Unable to close devices %d", ret);
+
+	return 0;
+}
+
 static int
 rte_fslmc_probe(void)
 {
@@ -637,6 +649,7 @@ struct rte_fslmc_bus rte_fslmc_bus = {
 	.bus = {
 		.scan = rte_fslmc_scan,
 		.probe = rte_fslmc_probe,
+		.close = rte_fslmc_close,
 		.parse = rte_fslmc_parse,
 		.find_device = rte_fslmc_find_device,
 		.get_iommu_class = rte_dpaa2_get_iommu_class,
diff --git a/drivers/bus/fslmc/fslmc_vfio.c b/drivers/bus/fslmc/fslmc_vfio.c
index 9134ec552..34ccc9db3 100644
--- a/drivers/bus/fslmc/fslmc_vfio.c
+++ b/drivers/bus/fslmc/fslmc_vfio.c
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
  *   Copyright (c) 2015-2016 Freescale Semiconductor, Inc. All rights reserved.
- *   Copyright 2016-2019 NXP
+ *   Copyright 2016-2020 NXP
  *
  */
 
@@ -692,6 +692,54 @@ rte_dpaa2_vfio_setup_intr(struct rte_intr_handle *intr_handle,
 	return -1;
 }
 
+static void
+fslmc_close_iodevices(struct rte_dpaa2_device *dev)
+{
+	struct rte_dpaa2_object *object = NULL;
+	struct rte_dpaa2_driver *drv;
+	int ret, probe_all;
+
+	switch (dev->dev_type) {
+	case DPAA2_IO:
+	case DPAA2_CON:
+	case DPAA2_CI:
+	case DPAA2_BPOOL:
+	case DPAA2_MUX:
+		TAILQ_FOREACH(object, &dpaa2_obj_list, next) {
+			if (dev->dev_type == object->dev_type)
+				object->close(dev->object_id);
+			else
+				continue;
+		}
+		break;
+	case DPAA2_ETH:
+	case DPAA2_CRYPTO:
+	case DPAA2_QDMA:
+		probe_all = rte_fslmc_bus.bus.conf.scan_mode !=
+			    RTE_BUS_SCAN_WHITELIST;
+		TAILQ_FOREACH(drv, &rte_fslmc_bus.driver_list, next) {
+			if (drv->drv_type != dev->dev_type)
+				continue;
+			if (rte_dev_is_probed(&dev->device))
+				continue;
+			if (probe_all ||
+			    (dev->device.devargs &&
+			     dev->device.devargs->policy ==
+			     RTE_DEV_WHITELISTED)) {
+				ret = drv->remove(dev);
+				if (ret)
+					DPAA2_BUS_ERR("Unable to remove");
+			}
+		}
+		break;
+	default:
+		break;
+	}
+
+	DPAA2_BUS_LOG(DEBUG, "Device (%s) Closed",
+		      dev->device.name);
+}
+
 /*
  * fslmc_process_iodevices for processing only IO (ETH, CRYPTO, and possibly
  * EVENT) devices.
@@ -796,6 +844,45 @@ fslmc_process_mcp(struct rte_dpaa2_device *dev)
 	return ret;
 }
 
+int
+fslmc_vfio_close_group(void)
+{
+	struct rte_dpaa2_device *dev, *dev_temp;
+
+	TAILQ_FOREACH_SAFE(dev, &rte_fslmc_bus.device_list, next, dev_temp) {
+		if (dev->device.devargs &&
+		    dev->device.devargs->policy == RTE_DEV_BLACKLISTED) {
+			DPAA2_BUS_LOG(DEBUG, "%s Blacklisted, skipping",
+				      dev->device.name);
+			TAILQ_REMOVE(&rte_fslmc_bus.device_list, dev, next);
+				continue;
+		}
+		switch (dev->dev_type) {
+		case DPAA2_ETH:
+		case DPAA2_CRYPTO:
+		case DPAA2_QDMA:
+		case DPAA2_IO:
+			fslmc_close_iodevices(dev);
+			break;
+		case DPAA2_CON:
+		case DPAA2_CI:
+		case DPAA2_BPOOL:
+		case DPAA2_MUX:
+			if (rte_eal_process_type() == RTE_PROC_SECONDARY)
+				continue;
+
+			fslmc_close_iodevices(dev);
+			break;
+		case DPAA2_DPRTC:
+		default:
+			DPAA2_BUS_DEBUG("Device cannot be closed: Not supported (%s)",
+					dev->device.name);
+		}
+	}
+
+	return 0;
+}
+
 int
 fslmc_vfio_process_group(void)
 {
diff --git a/drivers/bus/fslmc/fslmc_vfio.h b/drivers/bus/fslmc/fslmc_vfio.h
index bc7c6f62d..0a29fe739 100644
--- a/drivers/bus/fslmc/fslmc_vfio.h
+++ b/drivers/bus/fslmc/fslmc_vfio.h
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
  *   Copyright (c) 2015-2016 Freescale Semiconductor, Inc. All rights reserved.
- *   Copyright 2016,2019 NXP
+ *   Copyright 2016,2019-2020 NXP
  *
  */
 
@@ -55,6 +55,7 @@ int rte_dpaa2_vfio_setup_intr(struct rte_intr_handle *intr_handle,
 
 int fslmc_vfio_setup_group(void);
 int fslmc_vfio_process_group(void);
+int fslmc_vfio_close_group(void);
 char *fslmc_get_container(void);
 int fslmc_get_container_group(int *gropuid);
 int rte_fslmc_vfio_dmamap(void);
diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_dpbp.c b/drivers/bus/fslmc/portal/dpaa2_hw_dpbp.c
index d9619848d..9a4cdfd7a 100644
--- a/drivers/bus/fslmc/portal/dpaa2_hw_dpbp.c
+++ b/drivers/bus/fslmc/portal/dpaa2_hw_dpbp.c
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
  *   Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
- *   Copyright 2016 NXP
+ *   Copyright 2016,2020 NXP
  *
  */
 
@@ -33,6 +33,19 @@ TAILQ_HEAD(dpbp_dev_list, dpaa2_dpbp_dev);
 static struct dpbp_dev_list dpbp_dev_list
 	= TAILQ_HEAD_INITIALIZER(dpbp_dev_list); /*!< DPBP device list */
 
+static struct dpaa2_dpbp_dev *get_dpbp_from_id(uint32_t dpbp_id)
+{
+	struct dpaa2_dpbp_dev *dpbp_dev = NULL;
+
+	/* Get DPBP dev handle from list using index */
+	TAILQ_FOREACH(dpbp_dev, &dpbp_dev_list, next) {
+		if (dpbp_dev->dpbp_id == dpbp_id)
+			break;
+	}
+
+	return dpbp_dev;
+}
+
 static int
 dpaa2_create_dpbp_device(int vdev_fd __rte_unused,
 			 struct vfio_device_info *obj_info __rte_unused,
@@ -116,9 +129,25 @@ int dpaa2_dpbp_supported(void)
 	return 0;
 }
 
+static void
+dpaa2_close_dpbp_device(int object_id)
+{
+	struct dpaa2_dpbp_dev *dpbp_dev = NULL;
+
+	dpbp_dev = get_dpbp_from_id((uint32_t)object_id);
+
+	if (dpbp_dev) {
+		dpaa2_free_dpbp_dev(dpbp_dev);
+		dpbp_close(&dpbp_dev->dpbp, CMD_PRI_LOW, dpbp_dev->token);
+		TAILQ_REMOVE(&dpbp_dev_list, dpbp_dev, next);
+		rte_free(dpbp_dev);
+	}
+}
+
 static struct rte_dpaa2_object rte_dpaa2_dpbp_obj = {
 	.dev_type = DPAA2_BPOOL,
 	.create = dpaa2_create_dpbp_device,
+	.close = dpaa2_close_dpbp_device,
 };
 
 RTE_PMD_REGISTER_DPAA2_OBJECT(dpbp, rte_dpaa2_dpbp_obj);
diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_dpci.c b/drivers/bus/fslmc/portal/dpaa2_hw_dpci.c
index d393ce618..9902f38ce 100644
--- a/drivers/bus/fslmc/portal/dpaa2_hw_dpci.c
+++ b/drivers/bus/fslmc/portal/dpaa2_hw_dpci.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
- *   Copyright 2017 NXP
+ *   Copyright 2017,2020 NXP
  *
  */
 
@@ -30,6 +30,19 @@ TAILQ_HEAD(dpci_dev_list, dpaa2_dpci_dev);
 static struct dpci_dev_list dpci_dev_list
 	= TAILQ_HEAD_INITIALIZER(dpci_dev_list); /*!< DPCI device list */
 
+static struct dpaa2_dpci_dev *get_dpci_from_id(uint32_t dpci_id)
+{
+	struct dpaa2_dpci_dev *dpci_dev = NULL;
+
+	/* Get DPCI dev handle from list using index */
+	TAILQ_FOREACH(dpci_dev, &dpci_dev_list, next) {
+		if (dpci_dev->dpci_id == dpci_id)
+			break;
+	}
+
+	return dpci_dev;
+}
+
 static int
 rte_dpaa2_create_dpci_device(int vdev_fd __rte_unused,
 			     struct vfio_device_info *obj_info __rte_unused,
@@ -179,9 +192,26 @@ void rte_dpaa2_free_dpci_dev(struct dpaa2_dpci_dev *dpci)
 	}
 }
 
+
+static void
+rte_dpaa2_close_dpci_device(int object_id)
+{
+	struct dpaa2_dpci_dev *dpci_dev = NULL;
+
+	dpci_dev = get_dpci_from_id((uint32_t)object_id);
+
+	if (dpci_dev) {
+		rte_dpaa2_free_dpci_dev(dpci_dev);
+		dpci_close(&dpci_dev->dpci, CMD_PRI_LOW, dpci_dev->token);
+		TAILQ_REMOVE(&dpci_dev_list, dpci_dev, next);
+		rte_free(dpci_dev);
+	}
+}
+
 static struct rte_dpaa2_object rte_dpaa2_dpci_obj = {
 	.dev_type = DPAA2_CI,
 	.create = rte_dpaa2_create_dpci_device,
+	.close = rte_dpaa2_close_dpci_device,
 };
 
 RTE_PMD_REGISTER_DPAA2_OBJECT(dpci, rte_dpaa2_dpci_obj);
diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c
index b0055b164..b7caaea31 100644
--- a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c
+++ b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c
@@ -86,6 +86,19 @@ static int dpaa2_cluster_sz = 2;
  * Cluster 4 (ID = x07) : CPU14, CPU15;
  */
 
+static struct dpaa2_dpio_dev *get_dpio_dev_from_id(int32_t dpio_id)
+{
+	struct dpaa2_dpio_dev *dpio_dev = NULL;
+
+	/* Get DPIO dev handle from list using index */
+	TAILQ_FOREACH(dpio_dev, &dpio_dev_list, next) {
+		if (dpio_dev->hw_id == dpio_id)
+			break;
+	}
+
+	return dpio_dev;
+}
+
 static int
 dpaa2_get_core_id(void)
 {
@@ -360,6 +373,26 @@ static void dpaa2_portal_finish(void *arg)
 	pthread_setspecific(dpaa2_portal_key, NULL);
 }
 
+static void
+dpaa2_close_dpio_device(int object_id)
+{
+	struct dpaa2_dpio_dev *dpio_dev = NULL;
+
+	dpio_dev = get_dpio_dev_from_id((int32_t)object_id);
+
+	if (dpio_dev) {
+		if (dpio_dev->dpio) {
+			dpio_disable(dpio_dev->dpio, CMD_PRI_LOW,
+				     dpio_dev->token);
+			dpio_close(dpio_dev->dpio, CMD_PRI_LOW,
+				   dpio_dev->token);
+			rte_free(dpio_dev->dpio);
+		}
+		TAILQ_REMOVE(&dpio_dev_list, dpio_dev, next);
+		rte_free(dpio_dev);
+	}
+}
+
 static int
 dpaa2_create_dpio_device(int vdev_fd,
 			 struct vfio_device_info *obj_info,
@@ -628,6 +661,7 @@ dpaa2_free_eq_descriptors(void)
 static struct rte_dpaa2_object rte_dpaa2_dpio_obj = {
 	.dev_type = DPAA2_IO,
 	.create = dpaa2_create_dpio_device,
+	.close = dpaa2_close_dpio_device,
 };
 
 RTE_PMD_REGISTER_DPAA2_OBJECT(dpio, rte_dpaa2_dpio_obj);
diff --git a/drivers/bus/fslmc/rte_bus_fslmc_version.map b/drivers/bus/fslmc/rte_bus_fslmc_version.map
index b169f5228..ac4ee2bf8 100644
--- a/drivers/bus/fslmc/rte_bus_fslmc_version.map
+++ b/drivers/bus/fslmc/rte_bus_fslmc_version.map
@@ -30,6 +30,7 @@ INTERNAL {
 	dpci_get_opr;
 	dpci_set_opr;
 	dpci_set_rx_queue;
+	dpcon_close;
 	dpcon_get_attributes;
 	dpcon_open;
 	dpdmai_close;
diff --git a/drivers/bus/fslmc/rte_fslmc.h b/drivers/bus/fslmc/rte_fslmc.h
index 80873fffc..a938ab8f9 100644
--- a/drivers/bus/fslmc/rte_fslmc.h
+++ b/drivers/bus/fslmc/rte_fslmc.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
- *   Copyright 2016,2019 NXP
+ *   Copyright 2016,2019-2020 NXP
  *
  */
 
@@ -79,6 +79,8 @@ typedef int (*rte_dpaa2_obj_create_t)(int vdev_fd,
 				      struct vfio_device_info *obj_info,
 				      int object_id);
 
+typedef void (*rte_dpaa2_obj_close_t)(int object_id);
+
 /**
  * A structure describing a DPAA2 object.
  */
@@ -87,6 +89,7 @@ struct rte_dpaa2_object {
 	const char *name;                   /**< Name of Object. */
 	enum rte_dpaa2_dev_type dev_type;   /**< Type of device */
 	rte_dpaa2_obj_create_t create;
+	rte_dpaa2_obj_close_t close;
 };
 
 /**
diff --git a/drivers/event/dpaa2/dpaa2_hw_dpcon.c b/drivers/event/dpaa2/dpaa2_hw_dpcon.c
index 200b71640..86844f49f 100644
--- a/drivers/event/dpaa2/dpaa2_hw_dpcon.c
+++ b/drivers/event/dpaa2/dpaa2_hw_dpcon.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
- *   Copyright 2017 NXP
+ *   Copyright 2017,2020 NXP
  *
  */
 
@@ -30,6 +30,19 @@ TAILQ_HEAD(dpcon_dev_list, dpaa2_dpcon_dev);
 static struct dpcon_dev_list dpcon_dev_list
 	= TAILQ_HEAD_INITIALIZER(dpcon_dev_list); /*!< DPCON device list */
 
+static struct dpaa2_dpcon_dev *get_dpcon_from_id(uint32_t dpcon_id)
+{
+	struct dpaa2_dpcon_dev *dpcon_dev = NULL;
+
+	/* Get DPCONC dev handle from list using index */
+	TAILQ_FOREACH(dpcon_dev, &dpcon_dev_list, next) {
+		if (dpcon_dev->dpcon_id == dpcon_id)
+			break;
+	}
+
+	return dpcon_dev;
+}
+
 static int
 rte_dpaa2_create_dpcon_device(int dev_fd __rte_unused,
 			      struct vfio_device_info *obj_info __rte_unused,
@@ -105,9 +118,26 @@ void rte_dpaa2_free_dpcon_dev(struct dpaa2_dpcon_dev *dpcon)
 	}
 }
 
+
+static void
+rte_dpaa2_close_dpcon_device(int object_id)
+{
+	struct dpaa2_dpcon_dev *dpcon_dev = NULL;
+
+	dpcon_dev = get_dpcon_from_id((uint32_t)object_id);
+
+	if (dpcon_dev) {
+		rte_dpaa2_free_dpcon_dev(dpcon_dev);
+		dpcon_close(&dpcon_dev->dpcon, CMD_PRI_LOW, dpcon_dev->token);
+		TAILQ_REMOVE(&dpcon_dev_list, dpcon_dev, next);
+		rte_free(dpcon_dev);
+	}
+}
+
 static struct rte_dpaa2_object rte_dpaa2_dpcon_obj = {
 	.dev_type = DPAA2_CON,
 	.create = rte_dpaa2_create_dpcon_device,
+	.close = rte_dpaa2_close_dpcon_device,
 };
 
 RTE_PMD_REGISTER_DPAA2_OBJECT(dpcon, rte_dpaa2_dpcon_obj);
diff --git a/drivers/net/dpaa2/dpaa2_mux.c b/drivers/net/dpaa2/dpaa2_mux.c
index f8366e839..15114dac9 100644
--- a/drivers/net/dpaa2/dpaa2_mux.c
+++ b/drivers/net/dpaa2/dpaa2_mux.c
@@ -44,7 +44,7 @@ static struct dpaa2_dpdmux_dev *get_dpdmux_from_id(uint32_t dpdmux_id)
 {
 	struct dpaa2_dpdmux_dev *dpdmux_dev = NULL;
 
-	/* Get DPBP dev handle from list using index */
+	/* Get DPDMUX dev handle from list using index */
 	TAILQ_FOREACH(dpdmux_dev, &dpdmux_dev_list, next) {
 		if (dpdmux_dev->dpdmux_id == dpdmux_id)
 			break;
@@ -261,9 +261,25 @@ dpaa2_create_dpdmux_device(int vdev_fd __rte_unused,
 	return -1;
 }
 
+static void
+dpaa2_close_dpdmux_device(int object_id)
+{
+	struct dpaa2_dpdmux_dev *dpdmux_dev;
+
+	dpdmux_dev = get_dpdmux_from_id((uint32_t)object_id);
+
+	if (dpdmux_dev) {
+		dpdmux_close(&dpdmux_dev->dpdmux, CMD_PRI_LOW,
+			     dpdmux_dev->token);
+		TAILQ_REMOVE(&dpdmux_dev_list, dpdmux_dev, next);
+		rte_free(dpdmux_dev);
+	}
+}
+
 static struct rte_dpaa2_object rte_dpaa2_dpdmux_obj = {
 	.dev_type = DPAA2_MUX,
 	.create = dpaa2_create_dpdmux_device,
+	.close = dpaa2_close_dpdmux_device,
 };
 
 RTE_PMD_REGISTER_DPAA2_OBJECT(dpdmux, rte_dpaa2_dpdmux_obj);
-- 
2.17.1


  parent reply	other threads:[~2020-07-28 16:43 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-28 16:42 [dpdk-dev] [PATCH v1 1/3] eal: add API for bus close rohit.raj
2020-07-28 16:42 ` [dpdk-dev] [PATCH v1 2/3] examples/multi_process: cleanup bus objects while terminating app rohit.raj
2020-08-05  9:28   ` Sachin Saxena (OSS)
2020-07-28 16:42 ` rohit.raj [this message]
2020-08-05  9:57   ` [dpdk-dev] [PATCH v1 3/3] bus/fslmc: support bus close API Sachin Saxena (OSS)
2020-07-28 17:23 ` [dpdk-dev] [PATCH v1 1/3] eal: add API for bus close Stephen Hemminger
2020-07-30 15:53   ` [dpdk-dev] [EXT] " Rohit Raj

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200728164252.2000-3-rohit.raj@nxp.com \
    --to=rohit.raj@nxp.com \
    --cc=anatoly.burakov@intel.com \
    --cc=dev@dpdk.org \
    --cc=hemant.agrawal@nxp.com \
    --cc=mdr@ashroe.eu \
    --cc=nhorman@tuxdriver.com \
    --cc=nipun.gupta@nxp.com \
    --cc=sachin.saxena@nxp.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).