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This API used by non-eal library for detecting iova mode. Signed-off-by: Santosh Shukla --- 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 05f0c1f90..e1aee8c3e 100644 --- a/lib/librte_eal/bsdapp/eal/eal.c +++ b/lib/librte_eal/bsdapp/eal/eal.c @@ -120,6 +120,12 @@ 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 a2dd65a33..43cb11d7b 100644 --- a/lib/librte_eal/bsdapp/eal/rte_eal_version.map +++ b/lib/librte_eal/bsdapp/eal/rte_eal_version.map @@ -203,6 +203,7 @@ DPDK_17.08 { rte_pci_match; rte_pci_get_iommu_class; rte_bus_get_iommu_class; + rte_eal_iova_mode; } DPDK_17.05; diff --git a/lib/librte_eal/common/include/rte_eal.h b/lib/librte_eal/common/include/rte_eal.h index 6b7c5ca92..849f5f050 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" { @@ -85,6 +86,9 @@ 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 @@ -283,6 +287,14 @@ 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 7c78f2dc2..2546b55e4 100644 --- a/lib/librte_eal/linuxapp/eal/eal.c +++ b/lib/librte_eal/linuxapp/eal/eal.c @@ -129,6 +129,12 @@ 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 186c7b0fd..0de876c26 100644 --- a/lib/librte_eal/linuxapp/eal/rte_eal_version.map +++ b/lib/librte_eal/linuxapp/eal/rte_eal_version.map @@ -208,6 +208,7 @@ DPDK_17.08 { rte_pci_match; rte_pci_get_iommu_class; rte_bus_get_iommu_class; + rte_eal_iova_mode; } DPDK_17.05;