diff mbox

[dpdk-dev,v9,11/12] eal: Consolidate pci_map/unmap_device() of linuxapp and bsdapp

Message ID 1436351693-2349-12-git-send-email-mukawa@igel.co.jp (mailing list archive)
State Accepted, archived
Headers

Commit Message

Tetsuya Mukawa July 8, 2015, 10:34 a.m. UTC 
  From: "Tetsuya.Mukawa" <mukawa@igel.co.jp>

The patch consolidates below functions, and implemented in common
eal code.
 - pci_map_device()
 - pci_unmap_device()

Signed-off-by: Tetsuya Mukawa <mukawa@igel.co.jp>
Acked-by: Bernard Iremonger <bernard.iremonger@intel.com>
---
 lib/librte_eal/bsdapp/eal/eal_pci.c     |  3 ++
 lib/librte_eal/common/eal_common_pci.c  | 57 +++++++++++++++++++++++++++++++++
 lib/librte_eal/common/eal_private.h     | 19 +++++++++++
 lib/librte_eal/common/include/rte_pci.h |  1 +
 lib/librte_eal/linuxapp/eal/eal_pci.c   | 53 ------------------------------
 lib/librte_ether/rte_ethdev.c           |  2 ++
 6 files changed, 82 insertions(+), 53 deletions(-)
diff mbox

Patch

diff --git a/lib/librte_eal/bsdapp/eal/eal_pci.c b/lib/librte_eal/bsdapp/eal/eal_pci.c
index 42cf87e..d790d1f 100644
--- a/lib/librte_eal/bsdapp/eal/eal_pci.c
+++ b/lib/librte_eal/bsdapp/eal/eal_pci.c
@@ -242,6 +242,9 @@  pci_scan_one(int dev_pci_fd, struct pci_conf *conf)
 	/* FreeBSD has no NUMA support (yet) */
 	dev->numa_node = 0;
 
+	/* FreeBSD has only one pass through driver */
+	dev->kdrv = RTE_KDRV_NIC_UIO;
+
 	/* parse resources */
 	switch (conf->pc_hdr & PCIM_HDRTYPE) {
 	case PCIM_HDRTYPE_NORMAL:
diff --git a/lib/librte_eal/common/eal_common_pci.c b/lib/librte_eal/common/eal_common_pci.c
index eab147a..afd14ec 100644
--- a/lib/librte_eal/common/eal_common_pci.c
+++ b/lib/librte_eal/common/eal_common_pci.c
@@ -138,6 +138,63 @@  pci_unmap_resource(void *requested_addr, size_t size)
 				requested_addr);
 }
 
+/* Map pci device */
+int
+pci_map_device(struct rte_pci_device *dev)
+{
+	int ret = -1;
+
+	/* try mapping the NIC resources using VFIO if it exists */
+	switch (dev->kdrv) {
+	case RTE_KDRV_VFIO:
+#ifdef VFIO_PRESENT
+		if (pci_vfio_is_enabled())
+			ret = pci_vfio_map_resource(dev);
+#endif
+		break;
+	case RTE_KDRV_IGB_UIO:
+	case RTE_KDRV_UIO_GENERIC:
+	case RTE_KDRV_NIC_UIO:
+		/* map resources for devices that use uio */
+		ret = pci_uio_map_resource(dev);
+		break;
+	default:
+		RTE_LOG(DEBUG, EAL, "  Not managed by a supported kernel driver,"
+			" skipped\n");
+		ret = 1;
+		break;
+	}
+
+	return ret;
+}
+
+#ifdef RTE_LIBRTE_EAL_HOTPLUG
+/* Unmap pci device */
+void
+pci_unmap_device(struct rte_pci_device *dev)
+{
+	if (dev == NULL)
+		return;
+
+	/* try unmapping the NIC resources using VFIO if it exists */
+	switch (dev->kdrv) {
+	case RTE_KDRV_VFIO:
+		RTE_LOG(ERR, EAL, "Hotplug doesn't support vfio yet\n");
+		break;
+	case RTE_KDRV_IGB_UIO:
+	case RTE_KDRV_UIO_GENERIC:
+	case RTE_KDRV_NIC_UIO:
+		/* unmap resources for devices that use uio */
+		pci_uio_unmap_resource(dev);
+		break;
+	default:
+		RTE_LOG(DEBUG, EAL, "  Not managed by a supported kernel driver,"
+			" skipped\n");
+		break;
+	}
+}
+#endif /* RTE_LIBRTE_EAL_HOTPLUG */
+
 /*
  * If vendor/device ID match, call the devinit() function of all
  * registered driver for the given device. Return -1 if initialization
diff --git a/lib/librte_eal/common/eal_private.h b/lib/librte_eal/common/eal_private.h
index c0b62b7..cc022be 100644
--- a/lib/librte_eal/common/eal_private.h
+++ b/lib/librte_eal/common/eal_private.h
@@ -156,6 +156,25 @@  struct rte_pci_driver;
 struct rte_pci_device;
 
 /**
+ * Map this device
+ *
+ * This function is private to EAL.
+ *
+ * @return
+ *   0 on success, negative on error
+ */
+int pci_map_device(struct rte_pci_device *dev);
+
+#ifdef RTE_LIBRTE_EAL_HOTPLUG
+/**
+ * Unmap this device
+ *
+ * This function is private to EAL.
+ */
+void pci_unmap_device(struct rte_pci_device *dev);
+#endif /* RTE_LIBRTE_EAL_HOTPLUG */
+
+/**
  * Map the PCI resource of a PCI device in virtual memory
  *
  * This function is private to EAL.
diff --git a/lib/librte_eal/common/include/rte_pci.h b/lib/librte_eal/common/include/rte_pci.h
index 4a4641c..1f09252 100644
--- a/lib/librte_eal/common/include/rte_pci.h
+++ b/lib/librte_eal/common/include/rte_pci.h
@@ -149,6 +149,7 @@  enum rte_kernel_driver {
 	RTE_KDRV_IGB_UIO,
 	RTE_KDRV_VFIO,
 	RTE_KDRV_UIO_GENERIC,
+	RTE_KDRV_NIC_UIO,
 };
 
 /**
diff --git a/lib/librte_eal/linuxapp/eal/eal_pci.c b/lib/librte_eal/linuxapp/eal/eal_pci.c
index fc99eaa..7e8df7d 100644
--- a/lib/librte_eal/linuxapp/eal/eal_pci.c
+++ b/lib/librte_eal/linuxapp/eal/eal_pci.c
@@ -522,59 +522,6 @@  pci_config_space_set(struct rte_pci_device *dev)
 }
 #endif
 
-static int
-pci_map_device(struct rte_pci_device *dev)
-{
-	int ret = -1;
-
-	/* try mapping the NIC resources using VFIO if it exists */
-	switch (dev->kdrv) {
-	case RTE_KDRV_VFIO:
-#ifdef VFIO_PRESENT
-		if (pci_vfio_is_enabled())
-			ret = pci_vfio_map_resource(dev);
-#endif
-		break;
-	case RTE_KDRV_IGB_UIO:
-	case RTE_KDRV_UIO_GENERIC:
-		/* map resources for devices that use uio */
-		ret = pci_uio_map_resource(dev);
-		break;
-	default:
-		RTE_LOG(DEBUG, EAL, "  Not managed by a supported kernel driver,"
-			" skipped\n");
-		ret = 1;
-		break;
-	}
-
-	return ret;
-}
-
-#ifdef RTE_LIBRTE_EAL_HOTPLUG
-static void
-pci_unmap_device(struct rte_pci_device *dev)
-{
-	if (dev == NULL)
-		return;
-
-	/* try unmapping the NIC resources using VFIO if it exists */
-	switch (dev->kdrv) {
-	case RTE_KDRV_VFIO:
-		RTE_LOG(ERR, EAL, "Hotplug doesn't support vfio yet\n");
-		break;
-	case RTE_KDRV_IGB_UIO:
-	case RTE_KDRV_UIO_GENERIC:
-		/* unmap resources for devices that use uio */
-		pci_uio_unmap_resource(dev);
-		break;
-	default:
-		RTE_LOG(DEBUG, EAL, "  Not managed by a supported kernel driver,"
-			" skipped\n");
-		break;
-	}
-}
-#endif /* RTE_LIBRTE_EAL_HOTPLUG */
-
 /*
  * If vendor/device ID match, call the devinit() function of the
  * driver.
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index da915db..7b24e26 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -2,6 +2,7 @@ 
  *   BSD LICENSE
  *
  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2015 IGEL Co., Ltd.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -527,6 +528,7 @@  rte_eth_dev_is_detachable(uint8_t port_id)
 		switch (rte_eth_devices[port_id].pci_dev->kdrv) {
 		case RTE_KDRV_IGB_UIO:
 		case RTE_KDRV_UIO_GENERIC:
+		case RTE_KDRV_NIC_UIO:
 			break;
 		case RTE_KDRV_VFIO:
 		default: