[dpdk-dev] [PATCH v8 12/13] bus/fslmc: share mcp ptr as function across libs

Ray Kinsella mdr at ashroe.eu
Tue May 19 13:26:17 CEST 2020



On 15/05/2020 10:47, Hemant Agrawal wrote:
> Currently rte_mcp_ptr_list is being shared as a variable
> across libs. This is only used in control path.
> This patch change it to a exported function based access.
> 
> Signed-off-by: Hemant Agrawal <hemant.agrawal at nxp.com>
> ---
>  drivers/bus/fslmc/fslmc_vfio.c              | 15 ++++++++++++---
>  drivers/bus/fslmc/portal/dpaa2_hw_dpbp.c    |  2 +-
>  drivers/bus/fslmc/portal/dpaa2_hw_dpci.c    |  2 +-
>  drivers/bus/fslmc/portal/dpaa2_hw_dpio.c    |  2 +-
>  drivers/bus/fslmc/portal/dpaa2_hw_pvt.h     |  7 ++++---
>  drivers/bus/fslmc/rte_bus_fslmc_version.map |  2 +-
>  drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c |  2 +-
>  drivers/event/dpaa2/dpaa2_hw_dpcon.c        |  2 +-
>  drivers/net/dpaa2/dpaa2_ethdev.c            |  2 +-
>  drivers/net/dpaa2/dpaa2_mux.c               |  2 +-
>  drivers/net/dpaa2/dpaa2_ptp.c               |  2 +-
>  drivers/raw/dpaa2_qdma/dpaa2_qdma.c         |  2 +-
>  12 files changed, 26 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/bus/fslmc/fslmc_vfio.c b/drivers/bus/fslmc/fslmc_vfio.c
> index 970969d2bf..efe2c43d37 100644
> --- a/drivers/bus/fslmc/fslmc_vfio.c
> +++ b/drivers/bus/fslmc/fslmc_vfio.c
> @@ -51,6 +51,15 @@ static int fslmc_iommu_type;
>  static uint32_t *msi_intr_vaddr;
>  void *(*rte_mcp_ptr_list);
>  
> +void *
> +dpaa2_get_mcp_ptr(int portal_idx)
> +{
> +	if (rte_mcp_ptr_list)
> +		return rte_mcp_ptr_list[portal_idx];
> +	else
> +		return NULL;
> +}
> +
>  static struct rte_dpaa2_object_list dpaa2_obj_list =
>  	TAILQ_HEAD_INITIALIZER(dpaa2_obj_list);
>  
> @@ -734,7 +743,7 @@ fslmc_process_mcp(struct rte_dpaa2_device *dev)
>  	struct fsl_mc_io dpmng  = {0};
>  	struct mc_version mc_ver_info = {0};
>  
> -	rte_mcp_ptr_list = malloc(sizeof(void *) * 1);
> +	rte_mcp_ptr_list = malloc(sizeof(void *) * (MC_PORTAL_INDEX + 1));
>  	if (!rte_mcp_ptr_list) {
>  		DPAA2_BUS_ERR("Unable to allocate MC portal memory");
>  		ret = -ENOMEM;
> @@ -762,7 +771,7 @@ fslmc_process_mcp(struct rte_dpaa2_device *dev)
>  	 * required.
>  	 */
>  	if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
> -		rte_mcp_ptr_list[0] = (void *)v_addr;
> +		rte_mcp_ptr_list[MC_PORTAL_INDEX] = (void *)v_addr;
>  		return 0;
>  	}
>  
> @@ -782,7 +791,7 @@ fslmc_process_mcp(struct rte_dpaa2_device *dev)
>  		ret = -1;
>  		goto cleanup;
>  	}
> -	rte_mcp_ptr_list[0] = (void *)v_addr;
> +	rte_mcp_ptr_list[MC_PORTAL_INDEX] = (void *)v_addr;
>  
>  	free(dev_name);
>  	return 0;
> diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_dpbp.c b/drivers/bus/fslmc/portal/dpaa2_hw_dpbp.c
> index db49d637f5..79b148f20b 100644
> --- a/drivers/bus/fslmc/portal/dpaa2_hw_dpbp.c
> +++ b/drivers/bus/fslmc/portal/dpaa2_hw_dpbp.c
> @@ -56,7 +56,7 @@ dpaa2_create_dpbp_device(int vdev_fd __rte_unused,
>  	}
>  
>  	/* Open the dpbp object */
> -	dpbp_node->dpbp.regs = rte_mcp_ptr_list[MC_PORTAL_INDEX];
> +	dpbp_node->dpbp.regs = dpaa2_get_mcp_ptr(MC_PORTAL_INDEX);
>  	ret = dpbp_open(&dpbp_node->dpbp,
>  			CMD_PRI_LOW, dpbp_id, &dpbp_node->token);
>  	if (ret) {
> diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_dpci.c b/drivers/bus/fslmc/portal/dpaa2_hw_dpci.c
> index 5ad0374df9..d393ce6186 100644
> --- a/drivers/bus/fslmc/portal/dpaa2_hw_dpci.c
> +++ b/drivers/bus/fslmc/portal/dpaa2_hw_dpci.c
> @@ -50,7 +50,7 @@ rte_dpaa2_create_dpci_device(int vdev_fd __rte_unused,
>  	}
>  
>  	/* Open the dpci object */
> -	dpci_node->dpci.regs = rte_mcp_ptr_list[MC_PORTAL_INDEX];
> +	dpci_node->dpci.regs = dpaa2_get_mcp_ptr(MC_PORTAL_INDEX);
>  	ret = dpci_open(&dpci_node->dpci,
>  			CMD_PRI_LOW, dpci_id, &dpci_node->token);
>  	if (ret) {
> diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c
> index 739ce434ba..21c535f2fb 100644
> --- a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c
> +++ b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c
> @@ -416,7 +416,7 @@ dpaa2_create_dpio_device(int vdev_fd,
>  	dpio_dev->hw_id = object_id;
>  	rte_atomic16_init(&dpio_dev->ref_count);
>  	/* Using single portal  for all devices */
> -	dpio_dev->mc_portal = rte_mcp_ptr_list[MC_PORTAL_INDEX];
> +	dpio_dev->mc_portal = dpaa2_get_mcp_ptr(MC_PORTAL_INDEX);
>  
>  	if (!check_lcore_cpuset) {
>  		check_lcore_cpuset = 1;
> diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h b/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
> index 33b191f823..194b99c583 100644
> --- a/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
> +++ b/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
> @@ -198,9 +198,6 @@ struct dpaa2_dpcon_dev {
>  	uint8_t channel_index;
>  };
>  
> -/*! Global MCP list */
> -extern void *(*rte_mcp_ptr_list);
> -
>  /* Refer to Table 7-3 in SEC BG */
>  struct qbman_fle {
>  	uint32_t addr_lo;
> @@ -441,4 +438,8 @@ struct dpaa2_dpci_dev *rte_dpaa2_alloc_dpci_dev(void);
>  __rte_internal
>  void rte_dpaa2_free_dpci_dev(struct dpaa2_dpci_dev *dpci);
>  
> +/* Global MCP pointer */
> +__rte_internal
> +void *dpaa2_get_mcp_ptr(int portal_idx);
> +
>  #endif
> diff --git a/drivers/bus/fslmc/rte_bus_fslmc_version.map b/drivers/bus/fslmc/rte_bus_fslmc_version.map
> index 1b7a5a45e9..80da19a277 100644
> --- a/drivers/bus/fslmc/rte_bus_fslmc_version.map
> +++ b/drivers/bus/fslmc/rte_bus_fslmc_version.map
> @@ -21,6 +21,7 @@ INTERNAL {
>  	dpaa2_free_dpbp_dev;
>  	dpaa2_free_dq_storage;
>  	dpaa2_free_eq_descriptors;
> +	dpaa2_get_mcp_ptr;
>  	dpaa2_io_portal;
>  	dpaa2_svr_family;
>  	dpaa2_virt_mode;
> @@ -111,5 +112,4 @@ INTERNAL {
>  	rte_fslmc_get_device_count;
>  	rte_fslmc_object_register;
>  	rte_global_active_dqs_list;
> -	rte_mcp_ptr_list;
>  };
> diff --git a/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c b/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
> index fe34e644cc..5d63644934 100644
> --- a/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
> +++ b/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
> @@ -3788,7 +3788,7 @@ dpaa2_sec_dev_init(struct rte_cryptodev *cryptodev)
>  			"Error in allocating the memory for dpsec object");
>  		return -ENOMEM;
>  	}
> -	dpseci->regs = rte_mcp_ptr_list[0];
> +	dpseci->regs = dpaa2_get_mcp_ptr(MC_PORTAL_INDEX);
>  
>  	retcode = dpseci_open(dpseci, CMD_PRI_LOW, hw_id, &token);
>  	if (retcode != 0) {
> diff --git a/drivers/event/dpaa2/dpaa2_hw_dpcon.c b/drivers/event/dpaa2/dpaa2_hw_dpcon.c
> index d64e588aa8..200b71640b 100644
> --- a/drivers/event/dpaa2/dpaa2_hw_dpcon.c
> +++ b/drivers/event/dpaa2/dpaa2_hw_dpcon.c
> @@ -48,7 +48,7 @@ rte_dpaa2_create_dpcon_device(int dev_fd __rte_unused,
>  	}
>  
>  	/* Open the dpcon object */
> -	dpcon_node->dpcon.regs = rte_mcp_ptr_list[MC_PORTAL_INDEX];
> +	dpcon_node->dpcon.regs = dpaa2_get_mcp_ptr(MC_PORTAL_INDEX);
>  	ret = dpcon_open(&dpcon_node->dpcon,
>  			 CMD_PRI_LOW, dpcon_id, &dpcon_node->token);
>  	if (ret) {
> diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c
> index 1bab3b064c..2f031ec5c1 100644
> --- a/drivers/net/dpaa2/dpaa2_ethdev.c
> +++ b/drivers/net/dpaa2/dpaa2_ethdev.c
> @@ -2343,7 +2343,7 @@ dpaa2_dev_init(struct rte_eth_dev *eth_dev)
>  		DPAA2_PMD_ERR("Memory allocation failed for dpni device");
>  		return -1;
>  	}
> -	dpni_dev->regs = rte_mcp_ptr_list[0];
> +	dpni_dev->regs = dpaa2_get_mcp_ptr(MC_PORTAL_INDEX);
>  	eth_dev->process_private = (void *)dpni_dev;
>  
>  	/* For secondary processes, the primary has done all the work */
> diff --git a/drivers/net/dpaa2/dpaa2_mux.c b/drivers/net/dpaa2/dpaa2_mux.c
> index 9ac8806faf..f8366e839e 100644
> --- a/drivers/net/dpaa2/dpaa2_mux.c
> +++ b/drivers/net/dpaa2/dpaa2_mux.c
> @@ -224,7 +224,7 @@ dpaa2_create_dpdmux_device(int vdev_fd __rte_unused,
>  	}
>  
>  	/* Open the dpdmux object */
> -	dpdmux_dev->dpdmux.regs = rte_mcp_ptr_list[MC_PORTAL_INDEX];
> +	dpdmux_dev->dpdmux.regs = dpaa2_get_mcp_ptr(MC_PORTAL_INDEX);
>  	ret = dpdmux_open(&dpdmux_dev->dpdmux, CMD_PRI_LOW, dpdmux_id,
>  			  &dpdmux_dev->token);
>  	if (ret) {
> diff --git a/drivers/net/dpaa2/dpaa2_ptp.c b/drivers/net/dpaa2/dpaa2_ptp.c
> index 316912fe3e..f58eedb314 100644
> --- a/drivers/net/dpaa2/dpaa2_ptp.c
> +++ b/drivers/net/dpaa2/dpaa2_ptp.c
> @@ -147,7 +147,7 @@ dpaa2_create_dprtc_device(int vdev_fd __rte_unused,
>  	}
>  
>  	/* Open the dprtc object */
> -	dprtc_dev->dprtc.regs = rte_mcp_ptr_list[MC_PORTAL_INDEX];
> +	dprtc_dev->dprtc.regs = dpaa2_get_mcp_ptr(MC_PORTAL_INDEX);
>  	ret = dprtc_open(&dprtc_dev->dprtc, CMD_PRI_LOW, dprtc_id,
>  			  &dprtc_dev->token);
>  	if (ret) {
> diff --git a/drivers/raw/dpaa2_qdma/dpaa2_qdma.c b/drivers/raw/dpaa2_qdma/dpaa2_qdma.c
> index d5202d6522..1be1b6ddf0 100644
> --- a/drivers/raw/dpaa2_qdma/dpaa2_qdma.c
> +++ b/drivers/raw/dpaa2_qdma/dpaa2_qdma.c
> @@ -1315,7 +1315,7 @@ dpaa2_dpdmai_dev_init(struct rte_rawdev *rawdev, int dpdmai_id)
>  
>  	/* Open DPDMAI device */
>  	dpdmai_dev->dpdmai_id = dpdmai_id;
> -	dpdmai_dev->dpdmai.regs = rte_mcp_ptr_list[MC_PORTAL_INDEX];
> +	dpdmai_dev->dpdmai.regs = dpaa2_get_mcp_ptr(MC_PORTAL_INDEX);
>  	ret = dpdmai_open(&dpdmai_dev->dpdmai, CMD_PRI_LOW,
>  			  dpdmai_dev->dpdmai_id, &dpdmai_dev->token);
>  	if (ret) {
> 

Acked-by: Ray Kinsella <mdr at ashroe.eu>


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