From mboxrd@z Thu Jan 1 00:00:00 1970 From: Santosh Shukla Subject: [PATCH v8 5/9] eal: introduce iova mode helper api Date: Mon, 18 Sep 2017 16:12:30 +0530 Message-ID: <20170918104234.9149-6-santosh.shukla@caviumnetworks.com> References: <20170831032618.7120-1-santosh.shukla@caviumnetworks.com> <20170918104234.9149-1-santosh.shukla@caviumnetworks.com> Mime-Version: 1.0 Content-Type: text/plain Cc: olivier.matz@6wind.com, thomas@monjalon.net, jerin.jacob@caviumnetworks.com, hemant.agrawal@nxp.com, aconole@redhat.com, stephen@networkplumber.org, anatoly.burakov@intel.com, gaetan.rivet@6wind.com, shreyansh.jain@nxp.com, bruce.richardson@intel.com, sergio.gonzalez.monroy@intel.com, maxime.coquelin@redhat.com, Santosh Shukla To: dev@dpdk.org Return-path: Received: from NAM01-SN1-obe.outbound.protection.outlook.com (mail-sn1nam01on0072.outbound.protection.outlook.com [104.47.32.72]) by dpdk.org (Postfix) with ESMTP id 63C6E1B1A8 for ; Mon, 18 Sep 2017 12:43:52 +0200 (CEST) In-Reply-To: <20170918104234.9149-1-santosh.shukla@caviumnetworks.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Introducing rte_eal_iova_mode() helper API. This API used by non-eal library for detecting iova mode. Signed-off-by: Santosh Shukla Signed-off-by: Jerin Jacob Reviewed-by: Maxime Coquelin --- lib/librte_eal/bsdapp/eal/eal.c | 6 ++++++ lib/librte_eal/bsdapp/eal/rte_eal_version.map | 1 + lib/librte_eal/common/include/rte_eal.h | 12 ++++++++++++ lib/librte_eal/linuxapp/eal/eal.c | 6 ++++++ lib/librte_eal/linuxapp/eal/rte_eal_version.map | 1 + 5 files changed, 26 insertions(+) diff --git a/lib/librte_eal/bsdapp/eal/eal.c b/lib/librte_eal/bsdapp/eal/eal.c index 5fa598842..07e72203f 100644 --- a/lib/librte_eal/bsdapp/eal/eal.c +++ b/lib/librte_eal/bsdapp/eal/eal.c @@ -119,6 +119,12 @@ rte_eal_get_configuration(void) return &rte_config; } +enum rte_iova_mode +rte_eal_iova_mode(void) +{ + return rte_eal_get_configuration()->iova_mode; +} + /* parse a sysfs (or other) file containing one integer value */ int eal_parse_sysfs_value(const char *filename, unsigned long *val) diff --git a/lib/librte_eal/bsdapp/eal/rte_eal_version.map b/lib/librte_eal/bsdapp/eal/rte_eal_version.map index 3466eaf20..6bed74dff 100644 --- a/lib/librte_eal/bsdapp/eal/rte_eal_version.map +++ b/lib/librte_eal/bsdapp/eal/rte_eal_version.map @@ -245,5 +245,6 @@ DPDK_17.11 { rte_pci_match; rte_pci_get_iommu_class; rte_bus_get_iommu_class; + rte_eal_iova_mode; } DPDK_17.08; diff --git a/lib/librte_eal/common/include/rte_eal.h b/lib/librte_eal/common/include/rte_eal.h index 0e7363d77..932dc1a96 100644 --- a/lib/librte_eal/common/include/rte_eal.h +++ b/lib/librte_eal/common/include/rte_eal.h @@ -45,6 +45,7 @@ #include #include +#include #ifdef __cplusplus extern "C" { @@ -87,6 +88,9 @@ struct rte_config { /** Primary or secondary configuration */ enum rte_proc_type_t process_type; + /** PA or VA mapping mode */ + enum rte_iova_mode iova_mode; + /** * Pointer to memory configuration, which may be shared across multiple * DPDK instances @@ -287,6 +291,14 @@ static inline int rte_gettid(void) return RTE_PER_LCORE(_thread_id); } +/** + * Get the iova mode + * + * @return + * enum rte_iova_mode value. + */ +enum rte_iova_mode rte_eal_iova_mode(void); + #define RTE_INIT(func) \ static void __attribute__((constructor, used)) func(void) diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c index 48f12f44c..febbafdb3 100644 --- a/lib/librte_eal/linuxapp/eal/eal.c +++ b/lib/librte_eal/linuxapp/eal/eal.c @@ -128,6 +128,12 @@ rte_eal_get_configuration(void) return &rte_config; } +enum rte_iova_mode +rte_eal_iova_mode(void) +{ + return rte_eal_get_configuration()->iova_mode; +} + /* parse a sysfs (or other) file containing one integer value */ int eal_parse_sysfs_value(const char *filename, unsigned long *val) diff --git a/lib/librte_eal/linuxapp/eal/rte_eal_version.map b/lib/librte_eal/linuxapp/eal/rte_eal_version.map index 9115aa3e9..8e49bf5fa 100644 --- a/lib/librte_eal/linuxapp/eal/rte_eal_version.map +++ b/lib/librte_eal/linuxapp/eal/rte_eal_version.map @@ -250,5 +250,6 @@ DPDK_17.11 { rte_pci_match; rte_pci_get_iommu_class; rte_bus_get_iommu_class; + rte_eal_iova_mode; } DPDK_17.08; -- 2.14.1