From 9a58384b741af8bb2b6bef33850d2244ecb30e4e Mon Sep 17 00:00:00 2001 From: Jan Blunck Date: Fri, 30 Jun 2017 20:19:33 +0200 Subject: [PATCH] bus/pci: implement method to find device Signed-off-by: Jan Blunck --- lib/librte_eal/common/eal_common_pci.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/lib/librte_eal/common/eal_common_pci.c b/lib/librte_eal/common/eal_common_pci.c index 479c62d67a..e44975865f 100644 --- a/lib/librte_eal/common/eal_common_pci.c +++ b/lib/librte_eal/common/eal_common_pci.c @@ -485,10 +485,31 @@ rte_pci_remove_device(struct rte_pci_device *pci_dev) TAILQ_REMOVE(&rte_pci_bus.device_list, pci_dev, next); } +static struct rte_device * +pci_find_device(const struct rte_device *start, rte_dev_cmp_t cmp, + const void *data) +{ + struct rte_pci_device *dev; + bool start_found = !start; + + FOREACH_DEVICE_ON_PCIBUS(dev) { + if (!start_found) { + if (&dev->device == start) + start_found = 1; + continue; + } + if (cmp(&dev->device, data) == 0) + return &dev->device; + } + + return NULL; +} + struct rte_pci_bus rte_pci_bus = { .bus = { .scan = rte_pci_scan, .probe = rte_pci_probe, + .find_device = pci_find_device, }, .device_list = TAILQ_HEAD_INITIALIZER(rte_pci_bus.device_list), .driver_list = TAILQ_HEAD_INITIALIZER(rte_pci_bus.driver_list), -- 2.20.1