diff mbox series

[v11,23/25] bus/pci: process declarative PCI devargs

Message ID 7ccaf59d98f0b34ace54dac17a68a3a62ad2e6b7.1531345404.git.gaetan.rivet@6wind.com (mailing list archive)
State Superseded, archived
Delegated to: Thomas Monjalon
Headers show
Series Device querying | expand

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Gaëtan Rivet July 11, 2018, 9:45 p.m. UTC
Introduce the facility to process future PCI parameters.

Once the matching between PCI devices and devargs has been done, it is
possible to process each devargs. New parameters would have the PCI
device handle to work with when parsing the device (bus specific)
parameters.

Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
---
 drivers/bus/pci/pci_common.c |  3 +++
 drivers/bus/pci/pci_params.c | 10 ++++++++++
 drivers/bus/pci/private.h    | 13 +++++++++++++
 3 files changed, 26 insertions(+)
diff mbox series

Patch

diff --git a/drivers/bus/pci/pci_common.c b/drivers/bus/pci/pci_common.c
index 5b7854490..15a3cf3ae 100644
--- a/drivers/bus/pci/pci_common.c
+++ b/drivers/bus/pci/pci_common.c
@@ -249,6 +249,9 @@  pci_probe_all_drivers(struct rte_pci_device *dev)
 	if (dev->driver != NULL)
 		return 0;
 
+	if (rte_pci_devargs_process(dev) < 0)
+		return -1;
+
 	FOREACH_DRIVER_ON_PCIBUS(dr) {
 		rc = rte_pci_probe_one_driver(dr, dev);
 		if (rc < 0)
diff --git a/drivers/bus/pci/pci_params.c b/drivers/bus/pci/pci_params.c
index a09af3b1c..f34bf3da9 100644
--- a/drivers/bus/pci/pci_params.c
+++ b/drivers/bus/pci/pci_params.c
@@ -127,3 +127,13 @@  rte_pci_devargs_prepare(struct rte_devargs *devargs)
 	rte_kvargs_free(kvargs);
 	return ret;
 }
+
+int
+rte_pci_devargs_process(struct rte_pci_device *pdev)
+{
+	/* For the moment, no PCI param
+	 * needs to be processed.
+	 */
+	(void) pdev;
+	return 0;
+}
diff --git a/drivers/bus/pci/private.h b/drivers/bus/pci/private.h
index 9beb24c6a..06dc85e85 100644
--- a/drivers/bus/pci/private.h
+++ b/drivers/bus/pci/private.h
@@ -207,4 +207,17 @@  rte_pci_dev_iterate(const void *start,
 int
 rte_pci_devargs_prepare(struct rte_devargs *da);
 
+/*
+ * Process the device devargs, if any.
+ *
+ * @param pdev
+ *   PCI device
+ *
+ * @return
+ *   0 on success.
+ *   <0 on error.
+ */
+int
+rte_pci_devargs_process(struct rte_pci_device *pdev);
+
 #endif /* _PCI_PRIVATE_H_ */