From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gaetan Rivet Subject: [PATCH v6 14/22] bus/pci: implement device iteration and comparison Date: Fri, 13 Apr 2018 15:22:29 +0200 Message-ID: <1b5f5b9e63268e1e5114c7ce8aff1d6b1f557013.1523625525.git.gaetan.rivet@6wind.com> References: Cc: Gaetan Rivet To: dev@dpdk.org Return-path: Received: from mail-wr0-f195.google.com (mail-wr0-f195.google.com [209.85.128.195]) by dpdk.org (Postfix) with ESMTP id 936A61C17D for ; Fri, 13 Apr 2018 15:23:15 +0200 (CEST) Received: by mail-wr0-f195.google.com with SMTP id s12so8268665wrc.8 for ; Fri, 13 Apr 2018 06:23:15 -0700 (PDT) In-Reply-To: In-Reply-To: References: List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: Gaetan Rivet --- drivers/bus/pci/Makefile | 2 +- drivers/bus/pci/pci_common.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 43 insertions(+), 1 deletion(-) diff --git a/drivers/bus/pci/Makefile b/drivers/bus/pci/Makefile index 804a198d1..bbda567c1 100644 --- a/drivers/bus/pci/Makefile +++ b/drivers/bus/pci/Makefile @@ -53,7 +53,7 @@ CFLAGS += -I$(RTE_SDK)/lib/librte_eal/$(SYSTEM)app/eal CFLAGS += -DALLOW_EXPERIMENTAL_API LDLIBS += -lrte_eal -lrte_mbuf -lrte_mempool -lrte_ring -LDLIBS += -lrte_ethdev -lrte_pci +LDLIBS += -lrte_ethdev -lrte_pci -lrte_kvargs include $(RTE_SDK)/drivers/bus/pci/$(SYSTEM)/Makefile SRCS-$(CONFIG_RTE_LIBRTE_PCI_BUS) := $(addprefix $(SYSTEM)/,$(SRCS)) diff --git a/drivers/bus/pci/pci_common.c b/drivers/bus/pci/pci_common.c index 2c45f8151..bd9ecddc6 100644 --- a/drivers/bus/pci/pci_common.c +++ b/drivers/bus/pci/pci_common.c @@ -13,6 +13,7 @@ #include #include +#include #include #include #include @@ -497,6 +498,46 @@ pci_unplug(struct rte_device *dev) return ret; } +enum pci_params { + RTE_PCI_PARAMS_MAX, +}; + +static const char * const pci_params_keys[] = { + [RTE_PCI_PARAMS_MAX] = NULL, +}; + +static int +pci_dev_match(const struct rte_device *dev, + const void *_kvlist) +{ + const struct rte_kvargs *kvlist = _kvlist; + + (void) dev; + (void) kvlist; + return 0; +} + +static void * +pci_dev_iterate(const void *start, + const char *str, + const struct rte_dev_iterator *it __rte_unused) +{ + struct rte_device *dev; + struct rte_kvargs *kvargs = NULL; + + if (str != NULL) { + kvargs = rte_kvargs_parse(str, pci_params_keys); + if (kvargs == NULL) { + RTE_LOG(ERR, EAL, "cannot parse argument list\n"); + rte_errno = EINVAL; + return NULL; + } + } + dev = pci_find_device(start, pci_dev_match, kvargs); + rte_kvargs_free(kvargs); + return dev; +} + struct rte_pci_bus rte_pci_bus = { .bus = { .scan = rte_pci_scan, @@ -506,6 +547,7 @@ struct rte_pci_bus rte_pci_bus = { .unplug = pci_unplug, .parse = pci_parse, .get_iommu_class = rte_pci_get_iommu_class, + .dev_iterate = pci_dev_iterate, }, .device_list = TAILQ_HEAD_INITIALIZER(rte_pci_bus.device_list), .driver_list = TAILQ_HEAD_INITIALIZER(rte_pci_bus.driver_list), -- 2.11.0