On 8/22/2019 9:18 AM, Jakub Grajciar wrote:
> Zero-copy slave support for memif PMD.
> Slave interface exposes DPDK memory to
> master interface. Only single file segments
> are supported (EAL option --single-file-segments).
>
> Signed-off-by: Jakub Grajciar <jgraj...@cisco.com>
Reviewed-by: Ferruh Yigit <ferruh.yi...@intel.com>
Since bind() issue solved, we can continue with the patch.
<...>
> @@ -131,7 +132,7 @@ struct pmd_process_private {
> * @param proc_private
> * device process private data
> */
> -void memif_free_regions(struct pmd_process_private *proc_private);
> +void memif_free_regions(struct rte_eth_dev *dev);
>
> /**
> * Finalize connection establishment process. Map shared memory file
> diff --git a/lib/librte_eal/common/eal_common_mcfg.c
> b/lib/librte_eal/common/eal_common_mcfg.c
> index 066549432..03d9d472d 100644
> --- a/lib/librte_eal/common/eal_common_mcfg.c
> +++ b/lib/librte_eal/common/eal_common_mcfg.c
> @@ -161,3 +161,10 @@ rte_mcfg_timer_unlock(void)
> struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
> rte_spinlock_unlock(&mcfg->tlock);
> }
> +
> +uint32_t
> +rte_mcfg_get_single_file_segments(void)
> +{
> + struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
> + return mcfg->single_file_segments;
> +}
> diff --git a/lib/librte_eal/common/include/rte_eal_memconfig.h
> b/lib/librte_eal/common/include/rte_eal_memconfig.h
> index 34b0e44a0..9bb4a57f8 100644
> --- a/lib/librte_eal/common/include/rte_eal_memconfig.h
> +++ b/lib/librte_eal/common/include/rte_eal_memconfig.h
> @@ -109,6 +109,16 @@ __rte_experimental
> void
> rte_mcfg_timer_unlock(void);
>
> +/**
> + * @warning
> + * @b EXPERIMENTAL: this API may change without prior notice
> + *
> + * Get the single_file_segments parameter value from memory configuration.
> + */
> +__rte_experimental
> +uint32_t
> +rte_mcfg_get_single_file_segments(void);
> +
> #ifdef __cplusplus
> }
> #endif
> diff --git a/lib/librte_eal/rte_eal_version.map
> b/lib/librte_eal/rte_eal_version.map
> index 7cbf82d37..c2b9d473f 100644
> --- a/lib/librte_eal/rte_eal_version.map
> +++ b/lib/librte_eal/rte_eal_version.map
> @@ -418,5 +418,6 @@ EXPERIMENTAL {
> rte_lcore_to_cpu_id;
> rte_mcfg_timer_lock;
> rte_mcfg_timer_unlock;
> + rte_mcfg_get_single_file_segments;
This should be moved to 19.11 block in experimental
cc'ed Dave for eal part,
@Dave, change looks straight forward but can you please check/comment?
