Signed-off-by: Jan Viktorin <viktorin at rehivetech.com> --- lib/librte_eal/common/eal_common_soc.c | 5 +++++ lib/librte_eal/common/eal_private.h | 13 +++++++++++++ lib/librte_eal/linuxapp/eal/eal_soc.c | 11 +++++++++++ 3 files changed, 29 insertions(+)
diff --git a/lib/librte_eal/common/eal_common_soc.c b/lib/librte_eal/common/eal_common_soc.c index 3b885e8..75a7a97 100644 --- a/lib/librte_eal/common/eal_common_soc.c +++ b/lib/librte_eal/common/eal_common_soc.c @@ -242,6 +242,11 @@ rte_eal_soc_probe_one(const struct rte_soc_addr *addr) if (addr == NULL) return -1; + /* update current SoC device in global list, kernel bindings might have + * changed since last time we looked at it */ + if (soc_update_device(addr) < 0) + goto err_return; + TAILQ_FOREACH(dev, &soc_device_list, next) { if (rte_eal_compare_soc_addr(&dev->addr, addr)) continue; diff --git a/lib/librte_eal/common/eal_private.h b/lib/librte_eal/common/eal_private.h index b27ec89..fc1d9c6 100644 --- a/lib/librte_eal/common/eal_private.h +++ b/lib/librte_eal/common/eal_private.h @@ -197,6 +197,19 @@ struct rte_soc_device; */ int rte_eal_soc_init(void); +/** + * Update a soc device object by asking the kernel for the latest information. + * + * This function is private to EAL. + * + * @param addr + * The SoC address to look for + * @return + * - 0 on success. + * - negative on error. + */ +int soc_update_device(const struct rte_soc_addr *addr); + struct rte_pci_driver; struct rte_pci_device; diff --git a/lib/librte_eal/linuxapp/eal/eal_soc.c b/lib/librte_eal/linuxapp/eal/eal_soc.c index a3b9935..742d80d 100644 --- a/lib/librte_eal/linuxapp/eal/eal_soc.c +++ b/lib/librte_eal/linuxapp/eal/eal_soc.c @@ -252,6 +252,17 @@ fail: } int +soc_update_device(const struct rte_soc_addr *addr) +{ + char filename[PATH_MAX]; + + snprintf(filename, sizeof(filename), "%s/%s", + soc_get_sysfs_path(), addr->name); + + return soc_scan_one(filename, addr->name); +} + +int rte_eal_soc_scan(void) { struct dirent *e; -- 2.8.0