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From: Ben Walker <benjamin.walker@intel.com>
To: dev@dpdk.org
Cc: Ben Walker <benjamin.walker@intel.com>
Subject: [dpdk-dev] [PATCH 2/7] pci: Separate detaching ethernet ports from PCI devices
Date: Wed, 23 Nov 2016 12:36:39 -0700	[thread overview]
Message-ID: <1479929804-19614-3-git-send-email-benjamin.walker@intel.com> (raw)
In-Reply-To: <1479929804-19614-1-git-send-email-benjamin.walker@intel.com>

Attaching and detaching ethernet ports from an application
is not the same thing as physically removing a PCI device,
so clarify the flags indicating support. All PCI devices
are assumed to be physically removable, so no flag is
necessary in the PCI layer.

Signed-off-by: Ben Walker <benjamin.walker@intel.com>
---
 doc/guides/prog_guide/port_hotplug_framework.rst | 2 +-
 drivers/net/bnxt/bnxt_ethdev.c                   | 3 ++-
 drivers/net/e1000/em_ethdev.c                    | 4 ++--
 drivers/net/e1000/igb_ethdev.c                   | 7 ++++---
 drivers/net/fm10k/fm10k_ethdev.c                 | 4 ++--
 drivers/net/i40e/i40e_ethdev.c                   | 4 ++--
 drivers/net/i40e/i40e_ethdev_vf.c                | 3 ++-
 drivers/net/ixgbe/ixgbe_ethdev.c                 | 7 ++++---
 drivers/net/nfp/nfp_net.c                        | 4 ++--
 drivers/net/virtio/virtio_ethdev.c               | 3 ++-
 drivers/net/vmxnet3/vmxnet3_ethdev.c             | 3 ++-
 drivers/net/xenvirt/rte_eth_xenvirt.c            | 2 +-
 lib/librte_eal/common/include/rte_pci.h          | 2 --
 lib/librte_ether/rte_ethdev.c                    | 2 --
 14 files changed, 26 insertions(+), 24 deletions(-)

diff --git a/doc/guides/prog_guide/port_hotplug_framework.rst b/doc/guides/prog_guide/port_hotplug_framework.rst
index 6e4436e..d68d08e 100644
--- a/doc/guides/prog_guide/port_hotplug_framework.rst
+++ b/doc/guides/prog_guide/port_hotplug_framework.rst
@@ -106,5 +106,5 @@ Limitations
 
 *       Not all PMDs support detaching feature.
         To know whether a PMD can support detaching, search for the
-        "RTE_PCI_DRV_DETACHABLE" flag in PMD implementation. If the flag is
+        "RTE_ETH_DEV_DETAHABLE" flag in rte_eth_dev::data::dev_flags. If the flag is
         defined in the PMD, detaching is supported.
diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index 035fe07..a2100f6 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -1051,6 +1051,7 @@ bnxt_dev_init(struct rte_eth_dev *eth_dev)
 		RTE_LOG(INFO, PMD, "%s", bnxt_version);
 
 	rte_eth_copy_pci_info(eth_dev, eth_dev->pci_dev);
+	eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
 	bp = eth_dev->data->dev_private;
 
 	if (bnxt_vf_pciid(eth_dev->pci_dev->id.device_id))
@@ -1162,7 +1163,7 @@ static struct eth_driver bnxt_rte_pmd = {
 	.pci_drv = {
 		    .id_table = bnxt_pci_id_map,
 		    .drv_flags = RTE_PCI_DRV_NEED_MAPPING |
-			    RTE_PCI_DRV_DETACHABLE | RTE_PCI_DRV_INTR_LSC,
+			    RTE_PCI_DRV_INTR_LSC,
 		    .probe = rte_eth_dev_pci_probe,
 		    .remove = rte_eth_dev_pci_remove
 		    },
diff --git a/drivers/net/e1000/em_ethdev.c b/drivers/net/e1000/em_ethdev.c
index aee3d34..9af429b 100644
--- a/drivers/net/e1000/em_ethdev.c
+++ b/drivers/net/e1000/em_ethdev.c
@@ -312,6 +312,7 @@ eth_em_dev_init(struct rte_eth_dev *eth_dev)
 	}
 
 	rte_eth_copy_pci_info(eth_dev, pci_dev);
+	eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
 
 	hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
 	hw->device_id = pci_dev->id.device_id;
@@ -392,8 +393,7 @@ eth_em_dev_uninit(struct rte_eth_dev *eth_dev)
 static struct eth_driver rte_em_pmd = {
 	.pci_drv = {
 		.id_table = pci_id_em_map,
-		.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
-			RTE_PCI_DRV_DETACHABLE,
+		.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
 		.probe = rte_eth_dev_pci_probe,
 		.remove = rte_eth_dev_pci_remove,
 	},
diff --git a/drivers/net/e1000/igb_ethdev.c b/drivers/net/e1000/igb_ethdev.c
index 2fddf0c..b014b8b 100644
--- a/drivers/net/e1000/igb_ethdev.c
+++ b/drivers/net/e1000/igb_ethdev.c
@@ -771,6 +771,7 @@ eth_igb_dev_init(struct rte_eth_dev *eth_dev)
 	}
 
 	rte_eth_copy_pci_info(eth_dev, pci_dev);
+	eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
 
 	hw->hw_addr= (void *)pci_dev->mem_resource[0].addr;
 
@@ -976,6 +977,7 @@ eth_igbvf_dev_init(struct rte_eth_dev *eth_dev)
 	pci_dev = eth_dev->pci_dev;
 
 	rte_eth_copy_pci_info(eth_dev, pci_dev);
+	eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
 
 	hw->device_id = pci_dev->id.device_id;
 	hw->vendor_id = pci_dev->id.vendor_id;
@@ -1079,8 +1081,7 @@ eth_igbvf_dev_uninit(struct rte_eth_dev *eth_dev)
 static struct eth_driver rte_igb_pmd = {
 	.pci_drv = {
 		.id_table = pci_id_igb_map,
-		.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
-			RTE_PCI_DRV_DETACHABLE,
+		.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
 		.probe = rte_eth_dev_pci_probe,
 		.remove = rte_eth_dev_pci_remove,
 	},
@@ -1095,7 +1096,7 @@ static struct eth_driver rte_igb_pmd = {
 static struct eth_driver rte_igbvf_pmd = {
 	.pci_drv = {
 		.id_table = pci_id_igbvf_map,
-		.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_DETACHABLE,
+		.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
 		.probe = rte_eth_dev_pci_probe,
 		.remove = rte_eth_dev_pci_remove,
 	},
diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c
index 923690c..578de1f 100644
--- a/drivers/net/fm10k/fm10k_ethdev.c
+++ b/drivers/net/fm10k/fm10k_ethdev.c
@@ -2841,6 +2841,7 @@ eth_fm10k_dev_init(struct rte_eth_dev *dev)
 		return 0;
 
 	rte_eth_copy_pci_info(dev, dev->pci_dev);
+	dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
 
 	macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
 	memset(macvlan, 0, sizeof(*macvlan));
@@ -3062,8 +3063,7 @@ static const struct rte_pci_id pci_id_fm10k_map[] = {
 static struct eth_driver rte_pmd_fm10k = {
 	.pci_drv = {
 		.id_table = pci_id_fm10k_map,
-		.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
-			RTE_PCI_DRV_DETACHABLE,
+		.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
 		.probe = rte_eth_dev_pci_probe,
 		.remove = rte_eth_dev_pci_remove,
 	},
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 67778ba..7877cc5 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -671,8 +671,7 @@ static const struct rte_i40e_xstats_name_off rte_i40e_txq_prio_strings[] = {
 static struct eth_driver rte_i40e_pmd = {
 	.pci_drv = {
 		.id_table = pci_id_i40e_map,
-		.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
-			RTE_PCI_DRV_DETACHABLE,
+		.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
 		.probe = rte_eth_dev_pci_probe,
 		.remove = rte_eth_dev_pci_remove,
 	},
@@ -955,6 +954,7 @@ eth_i40e_dev_init(struct rte_eth_dev *dev)
 	pci_dev = dev->pci_dev;
 
 	rte_eth_copy_pci_info(dev, pci_dev);
+	dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
 
 	pf->adapter = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 	pf->adapter->eth_dev = dev;
diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
index aa306d6..6aaee37 100644
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -1459,6 +1459,7 @@ i40evf_dev_init(struct rte_eth_dev *eth_dev)
 	}
 
 	rte_eth_copy_pci_info(eth_dev, eth_dev->pci_dev);
+	eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
 
 	hw->vendor_id = eth_dev->pci_dev->id.vendor_id;
 	hw->device_id = eth_dev->pci_dev->id.device_id;
@@ -1528,7 +1529,7 @@ i40evf_dev_uninit(struct rte_eth_dev *eth_dev)
 static struct eth_driver rte_i40evf_pmd = {
 	.pci_drv = {
 		.id_table = pci_id_i40evf_map,
-		.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_DETACHABLE,
+		.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
 		.probe = rte_eth_dev_pci_probe,
 		.remove = rte_eth_dev_pci_remove,
 	},
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index edc9b22..66dd0c9 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -1130,6 +1130,7 @@ eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev)
 	pci_dev = eth_dev->pci_dev;
 
 	rte_eth_copy_pci_info(eth_dev, pci_dev);
+	eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
 
 	/* Vendor and Device ID need to be set before init of shared code */
 	hw->device_id = pci_dev->id.device_id;
@@ -1422,6 +1423,7 @@ eth_ixgbevf_dev_init(struct rte_eth_dev *eth_dev)
 	pci_dev = eth_dev->pci_dev;
 
 	rte_eth_copy_pci_info(eth_dev, pci_dev);
+	eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
 
 	hw->device_id = pci_dev->id.device_id;
 	hw->vendor_id = pci_dev->id.vendor_id;
@@ -1565,8 +1567,7 @@ eth_ixgbevf_dev_uninit(struct rte_eth_dev *eth_dev)
 static struct eth_driver rte_ixgbe_pmd = {
 	.pci_drv = {
 		.id_table = pci_id_ixgbe_map,
-		.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
-			RTE_PCI_DRV_DETACHABLE,
+		.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
 		.probe = rte_eth_dev_pci_probe,
 		.remove = rte_eth_dev_pci_remove,
 	},
@@ -1581,7 +1582,7 @@ static struct eth_driver rte_ixgbe_pmd = {
 static struct eth_driver rte_ixgbevf_pmd = {
 	.pci_drv = {
 		.id_table = pci_id_ixgbevf_map,
-		.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_DETACHABLE,
+		.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
 		.probe = rte_eth_dev_pci_probe,
 		.remove = rte_eth_dev_pci_remove,
 	},
diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
index c6b1587..00d2ba2 100644
--- a/drivers/net/nfp/nfp_net.c
+++ b/drivers/net/nfp/nfp_net.c
@@ -2332,6 +2332,7 @@ nfp_net_init(struct rte_eth_dev *eth_dev)
 
 	pci_dev = eth_dev->pci_dev;
 	rte_eth_copy_pci_info(eth_dev, pci_dev);
+	eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
 
 	hw->device_id = pci_dev->id.device_id;
 	hw->vendor_id = pci_dev->id.vendor_id;
@@ -2470,8 +2471,7 @@ static struct rte_pci_id pci_id_nfp_net_map[] = {
 static struct eth_driver rte_nfp_net_pmd = {
 	.pci_drv = {
 		.id_table = pci_id_nfp_net_map,
-		.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
-			     RTE_PCI_DRV_DETACHABLE,
+		.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
 		.probe = rte_eth_dev_pci_probe,
 		.remove = rte_eth_dev_pci_remove,
 	},
diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 079fd6c..74255c5 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -1211,6 +1211,7 @@ virtio_init_device(struct rte_eth_dev *eth_dev, uint64_t req_features)
 		eth_dev->data->dev_flags |= RTE_ETH_DEV_INTR_LSC;
 
 	rte_eth_copy_pci_info(eth_dev, pci_dev);
+	eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
 
 	rx_func_get(eth_dev);
 
@@ -1379,7 +1380,7 @@ static struct eth_driver rte_virtio_pmd = {
 			.name = "net_virtio",
 		},
 		.id_table = pci_id_virtio_map,
-		.drv_flags = RTE_PCI_DRV_DETACHABLE,
+		.drv_flags = 0,
 		.probe = rte_eth_dev_pci_probe,
 		.remove = rte_eth_dev_pci_remove,
 	},
diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c b/drivers/net/vmxnet3/vmxnet3_ethdev.c
index 8bb13e5..dd8dca5 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethdev.c
+++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c
@@ -247,6 +247,7 @@ eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev)
 		return 0;
 
 	rte_eth_copy_pci_info(eth_dev, pci_dev);
+	eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
 
 	/* Vendor and Device ID need to be set before init of shared code */
 	hw->device_id = pci_dev->id.device_id;
@@ -336,7 +337,7 @@ eth_vmxnet3_dev_uninit(struct rte_eth_dev *eth_dev)
 static struct eth_driver rte_vmxnet3_pmd = {
 	.pci_drv = {
 		.id_table = pci_id_vmxnet3_map,
-		.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_DETACHABLE,
+		.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
 		.probe = rte_eth_dev_pci_probe,
 		.remove = rte_eth_dev_pci_remove,
 	},
diff --git a/drivers/net/xenvirt/rte_eth_xenvirt.c b/drivers/net/xenvirt/rte_eth_xenvirt.c
index c08a056..ec5d00b 100644
--- a/drivers/net/xenvirt/rte_eth_xenvirt.c
+++ b/drivers/net/xenvirt/rte_eth_xenvirt.c
@@ -673,7 +673,7 @@ eth_dev_xenvirt_create(const char *name, const char *params,
 	eth_dev->data = data;
 	eth_dev->dev_ops = &ops;
 
-	eth_dev->data->dev_flags = RTE_PCI_DRV_DETACHABLE;
+	eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
 	eth_dev->data->kdrv = RTE_KDRV_NONE;
 	eth_dev->data->drv_name = drivername;
 	eth_dev->driver = NULL;
diff --git a/lib/librte_eal/common/include/rte_pci.h b/lib/librte_eal/common/include/rte_pci.h
index 9ce8847..74be1f5 100644
--- a/lib/librte_eal/common/include/rte_pci.h
+++ b/lib/librte_eal/common/include/rte_pci.h
@@ -212,8 +212,6 @@ struct rte_pci_driver {
 #define RTE_PCI_DRV_FORCE_UNBIND 0x0004
 /** Device driver supports link state interrupt */
 #define RTE_PCI_DRV_INTR_LSC	0x0008
-/** Device driver supports detaching capability */
-#define RTE_PCI_DRV_DETACHABLE	0x0010
 
 /**
  * A structure describing a PCI mapping.
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index fde8112..3771ffc 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -3209,8 +3209,6 @@ rte_eth_copy_pci_info(struct rte_eth_dev *eth_dev, struct rte_pci_device *pci_de
 	eth_dev->data->dev_flags = 0;
 	if (pci_dev->driver->drv_flags & RTE_PCI_DRV_INTR_LSC)
 		eth_dev->data->dev_flags |= RTE_ETH_DEV_INTR_LSC;
-	if (pci_dev->driver->drv_flags & RTE_PCI_DRV_DETACHABLE)
-		eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
 
 	eth_dev->data->kdrv = pci_dev->kdrv;
 	eth_dev->data->numa_node = pci_dev->device.numa_node;
-- 
2.7.4

  parent reply	other threads:[~2016-11-23 19:36 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-23 19:36 [dpdk-dev] Improved PCI hotplug support Ben Walker
2016-11-23 19:36 ` [dpdk-dev] [PATCH 1/7] pci: If a driver's probe function fails, unmap resources Ben Walker
2016-11-23 19:36 ` Ben Walker [this message]
2016-11-23 19:36 ` [dpdk-dev] [PATCH 3/7] pci: Pass rte_pci_addr to functions instead of separate args Ben Walker
2016-11-23 19:36 ` [dpdk-dev] [PATCH 4/7] pci: rte_eal_pci_scan now handles removal of PCI devices Ben Walker
2016-11-23 19:36 ` [dpdk-dev] [PATCH 5/7] pci: Move driver registration above pci scan Ben Walker
2016-11-23 19:36 ` [dpdk-dev] [PATCH 6/7] pci: Combine rte_eal_pci_scan and rte_eal_pci_probe Ben Walker
2016-11-23 19:36 ` [dpdk-dev] [PATCH 7/7] pci: Clarify interfaces for dynamic attach/detach of drivers Ben Walker
2016-11-23 20:07 ` [dpdk-dev] [PATCH v2 1/7] pci: If a driver's probe function fails, unmap resources Ben Walker
2016-11-23 20:07   ` [dpdk-dev] [PATCH v2 2/7] pci: Separate detaching ethernet ports from PCI devices Ben Walker
2016-11-25  9:25     ` Shreyansh Jain
2016-11-23 20:07   ` [dpdk-dev] [PATCH v2 3/7] pci: Pass rte_pci_addr to functions instead of separate args Ben Walker
2016-11-25 10:33     ` Shreyansh Jain
2016-12-01  6:26     ` Shreyansh Jain
2016-12-02 16:16       ` Walker, Benjamin
2016-11-23 20:07   ` [dpdk-dev] [PATCH v2 4/7] pci: rte_eal_pci_scan now handles removal of PCI devices Ben Walker
2016-11-25 10:44     ` Shreyansh Jain
2017-02-09 16:59     ` [dpdk-dev] [PATCH v3 1/3] " Ben Walker
2017-02-09 16:59       ` [dpdk-dev] [PATCH v3 2/3] pci: Move driver registration above pci scan Ben Walker
2017-02-09 16:59       ` [dpdk-dev] [PATCH v3 3/3] pci: Clarify interfaces for dynamic attach/detach of drivers Ben Walker
2019-01-23 16:19       ` [dpdk-dev] [PATCH v3 1/3] pci: rte_eal_pci_scan now handles removal of PCI devices Ferruh Yigit
2016-11-23 20:07   ` [dpdk-dev] [PATCH v2 5/7] pci: Move driver registration above pci scan Ben Walker
2016-11-23 20:07   ` [dpdk-dev] [PATCH v2 6/7] pci: Combine rte_eal_pci_scan and rte_eal_pci_probe Ben Walker
2016-11-25 10:56     ` Shreyansh Jain
2016-11-23 20:07   ` [dpdk-dev] [PATCH v2 7/7] pci: Clarify interfaces for dynamic attach/detach of drivers Ben Walker
2016-12-03  6:55     ` Shreyansh Jain
2016-11-25  9:21   ` [dpdk-dev] [PATCH v2 1/7] pci: If a driver's probe function fails, unmap resources Shreyansh Jain
2016-12-21 16:19     ` Thomas Monjalon
2017-01-04 17:39       ` Thomas Monjalon
2017-01-09 17:12         ` Thomas Monjalon
2017-01-11 17:10   ` [dpdk-dev] [PATCH v3 1/3] " Ben Walker
2017-01-11 17:10     ` [dpdk-dev] [PATCH v3 2/3] pci: Separate detaching ethernet ports from PCI devices Ben Walker
2017-01-11 17:10     ` [dpdk-dev] [PATCH v3 3/3] pci: Pass rte_pci_addr to functions instead of separate args Ben Walker
2017-01-12 14:58       ` Thomas Monjalon

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