[dpdk-dev] [PATCH 04/12] pci: expose device detach routine
Gaetan Rivet
gaetan.rivet at 6wind.com
Fri Mar 3 16:40:26 CET 2017
Make the pci_detach_all_drivers public. No further changes.
Signed-off-by: Gaetan Rivet <gaetan.rivet at 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
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