Introduce a RTE_INIT macro used to mark an init function as a constructor. Current eal macros have been converted to use this (no functional impact). RTE_EAL_PCI_REGISTER is added as a helper for pci drivers.
RTE_EAL_PCI_REGISTER assumes that object expanded contains a pci_drv member. Suggested-by: Jan Viktorin <viktorin at rehivetech.com> Signed-off-by: David Marchand <david.marchand at 6wind.com> Signed-off-by: Shreyansh Jain <shreyansh.jain at nxp.com> --- lib/librte_eal/common/include/rte_dev.h | 4 ++-- lib/librte_eal/common/include/rte_eal.h | 3 +++ lib/librte_eal/common/include/rte_pci.h | 8 ++++++++ lib/librte_eal/common/include/rte_tailq.h | 4 ++-- 4 files changed, 15 insertions(+), 4 deletions(-) diff --git a/lib/librte_eal/common/include/rte_dev.h b/lib/librte_eal/common/include/rte_dev.h index f1b5507..85e48f2 100644 --- a/lib/librte_eal/common/include/rte_dev.h +++ b/lib/librte_eal/common/include/rte_dev.h @@ -179,8 +179,8 @@ int rte_eal_vdev_init(const char *name, const char *args); int rte_eal_vdev_uninit(const char *name); #define PMD_REGISTER_DRIVER(d)\ -void devinitfn_ ##d(void);\ -void __attribute__((constructor, used)) devinitfn_ ##d(void)\ +RTE_INIT(devinitfn_ ##d);\ +static void devinitfn_ ##d(void)\ {\ rte_eal_driver_register(&d);\ } diff --git a/lib/librte_eal/common/include/rte_eal.h b/lib/librte_eal/common/include/rte_eal.h index a71d6f5..186f3c6 100644 --- a/lib/librte_eal/common/include/rte_eal.h +++ b/lib/librte_eal/common/include/rte_eal.h @@ -252,6 +252,9 @@ static inline int rte_gettid(void) return RTE_PER_LCORE(_thread_id); } +#define RTE_INIT(func) \ +static void __attribute__((constructor, used)) func(void) + #ifdef __cplusplus } #endif diff --git a/lib/librte_eal/common/include/rte_pci.h b/lib/librte_eal/common/include/rte_pci.h index fa74962..ac890fc 100644 --- a/lib/librte_eal/common/include/rte_pci.h +++ b/lib/librte_eal/common/include/rte_pci.h @@ -470,6 +470,14 @@ void rte_eal_pci_dump(FILE *f); */ void rte_eal_pci_register(struct rte_pci_driver *driver); +/** Helper for PCI device registeration from driver (eth, crypto) instance */ +#define RTE_EAL_PCI_REGISTER(name) \ +RTE_INIT(pciinitfn_ ##name); \ +static void pciinitfn_ ##name(void) \ +{ \ + rte_eal_pci_register(&(name).pci_drv); \ +} + /** * Unregister a PCI driver. * diff --git a/lib/librte_eal/common/include/rte_tailq.h b/lib/librte_eal/common/include/rte_tailq.h index 4a686e6..71ed3bb 100644 --- a/lib/librte_eal/common/include/rte_tailq.h +++ b/lib/librte_eal/common/include/rte_tailq.h @@ -148,8 +148,8 @@ struct rte_tailq_head *rte_eal_tailq_lookup(const char *name); int rte_eal_tailq_register(struct rte_tailq_elem *t); #define EAL_REGISTER_TAILQ(t) \ -void tailqinitfn_ ##t(void); \ -void __attribute__((constructor, used)) tailqinitfn_ ##t(void) \ +RTE_INIT(tailqinitfn_ ##t); \ +static void tailqinitfn_ ##t(void) \ { \ if (rte_eal_tailq_register(&t) < 0) \ rte_panic("Cannot initialize tailq: %s\n", t.name); \ -- 2.7.4