[dpdk-dev,v5,14/21] bus/pci: add device matching field id
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Commit Message
The PCI bus can now parse a matching field "id" as follows:
"bus=pci,id=0000:00:00.0"
or
"bus=pci,id=00:00.0"
Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
---
drivers/bus/pci/pci_common.c | 28 ++++++++++++++++++++++++++--
1 file changed, 26 insertions(+), 2 deletions(-)
@@ -499,21 +499,45 @@ pci_unplug(struct rte_device *dev)
}
enum pci_params {
+ RTE_PCI_PARAMS_ID,
RTE_PCI_PARAMS_MAX,
};
static const char * const pci_params_keys[] = {
+ [RTE_PCI_PARAMS_ID] = "id",
[RTE_PCI_PARAMS_MAX] = NULL,
};
static int
+pci_addr_kv_cmp(const char *key __rte_unused,
+ const char *value,
+ void *_addr2)
+{
+ struct rte_pci_addr _addr1;
+ struct rte_pci_addr *addr1 = &_addr1;
+ struct rte_pci_addr *addr2 = _addr2;
+
+ if (rte_pci_addr_parse(value, addr1))
+ return -1;
+ return rte_pci_addr_cmp(addr1, addr2);
+}
+
+static int
pci_dev_match(const struct rte_device *dev,
const void *_kvlist)
{
const struct rte_kvargs *kvlist = _kvlist;
+ const struct rte_pci_device *pdev;
- (void) dev;
- (void) kvlist;
+ if (kvlist == NULL)
+ /* Empty string matches everything. */
+ return 0;
+ pdev = RTE_DEV_TO_PCI_CONST(dev);
+ /* if any field does not match. */
+ if (rte_kvargs_process(kvlist, "id",
+ &pci_addr_kv_cmp,
+ (void *)(intptr_t)&pdev->addr))
+ return 1;
return 0;
}