[dpdk-dev] [PATCH v3 5/8] eal: Consolidate pci_map/unmap_device() of linuxapp and bsdapp

[Tetsuya Mukawa <mukawa@igel.co.jp>]

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>
---
 lib/librte_eal/bsdapp/eal/eal_pci.c     | 12 +++----
 lib/librte_eal/common/eal_common_pci.c  | 57 +++++++++++++++++++++++++++++++++
 lib/librte_eal/common/eal_private.h     |  4 +--
 lib/librte_eal/common/include/rte_pci.h |  1 +
 lib/librte_eal/linuxapp/eal/eal_pci.c   | 55 -------------------------------
 lib/librte_ether/rte_ethdev.c           |  1 +
 6 files changed, 65 insertions(+), 65 deletions(-)

diff --git a/lib/librte_eal/bsdapp/eal/eal_pci.c b/lib/librte_eal/bsdapp/eal/eal_pci.c
index 2a623e3..56dc98c 100644
--- a/lib/librte_eal/bsdapp/eal/eal_pci.c
+++ b/lib/librte_eal/bsdapp/eal/eal_pci.c
@@ -275,7 +275,7 @@ fail:
 }
 
 /* map the PCI resource of a PCI device in virtual memory */
-static int
+int
 pci_uio_map_resource(struct rte_pci_device *dev)
 {
 	int i, map_idx, ret;
@@ -366,6 +366,9 @@ 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:
@@ -430,13 +433,6 @@ skipdev:
 	return 0;
 }
 
-/* Map pci device */
-int
-pci_map_device(struct rte_pci_device *dev)
-{
-	return pci_uio_map_resource(dev);
-}
-
 /*
  * Scan the content of the PCI bus, and add the devices in the devices
  * list. Call pci_scan_one() for each pci entry found.
diff --git a/lib/librte_eal/common/eal_common_pci.c b/lib/librte_eal/common/eal_common_pci.c
index 6eb6257..00547d9 100644
--- a/lib/librte_eal/common/eal_common_pci.c
+++ b/lib/librte_eal/common/eal_common_pci.c
@@ -98,6 +98,63 @@ static struct rte_devargs *pci_devargs_lookup(struct rte_pci_device *dev)
 	return NULL;
 }
 
+/* Map pci device */
+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:
+	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 */
+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:
+	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 the
  * driver.
diff --git a/lib/librte_eal/common/eal_private.h b/lib/librte_eal/common/eal_private.h
index fe2c596..badb55c 100644
--- a/lib/librte_eal/common/eal_private.h
+++ b/lib/librte_eal/common/eal_private.h
@@ -171,14 +171,14 @@ int pci_unbind_kernel_driver(struct rte_pci_device *dev);
  * @return
  *   0 on success, negative on error
  */
-int pci_map_device(struct rte_pci_device *dev);
+int pci_uio_map_resource(struct rte_pci_device *dev);
 
 /**
  * Unmap this device
  *
  * This function is private to EAL.
  */
-void pci_unmap_device(struct rte_pci_device *dev);
+void pci_uio_unmap_resource(struct rte_pci_device *dev);
 
 /**
  * Init tail queues for non-EAL library structures. This is to allow
diff --git a/lib/librte_eal/common/include/rte_pci.h b/lib/librte_eal/common/include/rte_pci.h
index 0a2ef09..bd1ef4e 100644
--- a/lib/librte_eal/common/include/rte_pci.h
+++ b/lib/librte_eal/common/include/rte_pci.h
@@ -148,6 +148,7 @@ 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 91e958e..5c30469 100644
--- a/lib/librte_eal/linuxapp/eal/eal_pci.c
+++ b/lib/librte_eal/linuxapp/eal/eal_pci.c
@@ -563,61 +563,6 @@ pci_config_space_set(struct rte_pci_device *dev)
 }
 #endif
 
-/* 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:
-		/* 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:
-		/* 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 */
-
 /* Init the PCI EAL subsystem */
 int
 rte_eal_pci_init(void)
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 02cd07f..1822258 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -515,6 +515,7 @@ 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:
-- 
2.1.4