[PATCH v2 04/13] pci: expose device detach routine

[Gaetan Rivet <gaetan.rivet@6wind.com>]

Make the pci_detach_all_drivers public. No further changes.

Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
---
 lib/librte_eal/bsdapp/eal/rte_eal_version.map   |  5 +++++
 lib/librte_eal/common/eal_common_pci.c          |  6 +++---
 lib/librte_eal/common/include/rte_pci.h         | 15 +++++++++++++++
 lib/librte_eal/linuxapp/eal/rte_eal_version.map |  5 +++++
 4 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/lib/librte_eal/bsdapp/eal/rte_eal_version.map b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
index 2cf1ac8..3a87756 100644
--- a/lib/librte_eal/bsdapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
@@ -185,3 +185,8 @@ DPDK_17.02 {
 	rte_bus_unregister;
 
 } DPDK_16.11;
+
+DPDK_17.05 {
+	rte_eal_pci_detach_all_drivers;
+
+} DPDK_17.02;
diff --git a/lib/librte_eal/common/eal_common_pci.c b/lib/librte_eal/common/eal_common_pci.c
index 72547bd..d38335a 100644
--- a/lib/librte_eal/common/eal_common_pci.c
+++ b/lib/librte_eal/common/eal_common_pci.c
@@ -313,8 +313,8 @@ pci_probe_all_drivers(struct rte_pci_device *dev)
  * registered driver for the given device. Return -1 if initialization
  * failed, return 1 if no driver is found for this device.
  */
-static int
-pci_detach_all_drivers(struct rte_pci_device *dev)
+int
+rte_eal_pci_detach_all_drivers(struct rte_pci_device *dev)
 {
 	struct rte_pci_driver *dr = NULL;
 	int rc = 0;
@@ -388,7 +388,7 @@ rte_eal_pci_detach(const struct rte_pci_addr *addr)
 		if (rte_eal_compare_pci_addr(&dev->addr, addr))
 			continue;
 
-		ret = pci_detach_all_drivers(dev);
+		ret = rte_eal_pci_detach_all_drivers(dev);
 		if (ret < 0)
 			goto err_return;
 
diff --git a/lib/librte_eal/common/include/rte_pci.h b/lib/librte_eal/common/include/rte_pci.h
index 4a67883..598a1ef 100644
--- a/lib/librte_eal/common/include/rte_pci.h
+++ b/lib/librte_eal/common/include/rte_pci.h
@@ -459,6 +459,21 @@ void pci_unmap_resource(void *requested_addr, size_t size);
 int rte_eal_pci_probe_one(const struct rte_pci_addr *addr);
 
 /**
+ * Remove any PCI drivers tied to the device.
+ *
+ * If vendor/device ID match, call the remove() function of all
+ * registered driver for the given device.
+ *
+ * @param dev
+ *	The PCI device to remove
+ * @return
+ *   - 0 on success.
+ *   - Negative on error.
+ *   - Positive if no driver exists for that device.
+ */
+int rte_eal_pci_detach_all_drivers(struct rte_pci_device *dev);
+
+/**
  * Close the single PCI device.
  *
  * Scan the content of the PCI bus, and find the pci device specified by pci
diff --git a/lib/librte_eal/linuxapp/eal/rte_eal_version.map b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
index 3c68ff5..192c0d5 100644
--- a/lib/librte_eal/linuxapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
@@ -189,3 +189,8 @@ DPDK_17.02 {
 	rte_bus_unregister;
 
 } DPDK_16.11;
+
+DPDK_17.05 {
+	rte_eal_pci_detach_all_drivers;
+
+} DPDK_17.02;
-- 
2.1.4