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bus/fslmc: support scanned device count

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FSLMC bus detects a multiple type of logical objects representing
components of the datapath.

Using the type of device, a newly introduced API
rte_fslmc_get_device_count can return the count of devices
scanned of that device type.

Signed-off-by: Shreyansh Jain <shreyansh.jain@nxp.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
This commit is contained in:
Shreyansh Jain 2018-01-02 18:38:38 +05:30 committed by Ferruh Yigit
parent 8052bbd9d5
commit 42dcf0e2e7
3 changed files with 28 additions and 3 deletions
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12
drivers/bus/fslmc/fslmc_bus.c
View File

@ -27,6 +27,14 @@
struct rte_fslmc_bus rte_fslmc_bus;
uint8_t dpaa2_virt_mode;
uint32_t
rte_fslmc_get_device_count(enum rte_dpaa2_dev_type device_type)
{
if (device_type > DPAA2_DEVTYPE_MAX)
return 0;
return rte_fslmc_bus.device_count[device_type];
}
static void
cleanup_fslmc_device_list(void)
{
@ -138,6 +146,9 @@ scan_one_fslmc_device(char *dev_name)
else
dev->dev_type = DPAA2_UNKNOWN;
/* Update the device found into the device_count table */
rte_fslmc_bus.device_count[dev->dev_type]++;
t_ptr = strtok(NULL, ".");
if (!t_ptr) {
FSLMC_BUS_LOG(ERR, "Incorrect device string observed (%s).",
@ -382,6 +393,7 @@ struct rte_fslmc_bus rte_fslmc_bus = {
},
.device_list = TAILQ_HEAD_INITIALIZER(rte_fslmc_bus.device_list),
.driver_list = TAILQ_HEAD_INITIALIZER(rte_fslmc_bus.driver_list),
.device_count = {0},
};
RTE_REGISTER_BUS(fslmc, rte_fslmc_bus.bus);

1
drivers/bus/fslmc/rte_bus_fslmc_version.map
View File

@ -97,5 +97,6 @@ DPDK_18.02 {
dpaa2_virt_mode;
qbman_fq_query_state;
qbman_fq_state_frame_count;
rte_fslmc_get_device_count;
} DPDK_17.11;

18
drivers/bus/fslmc/rte_fslmc.h
View File

@ -62,7 +62,8 @@ enum rte_dpaa2_dev_type {
DPAA2_CI, /**< DPCI type device */
DPAA2_MPORTAL, /**< DPMCP type device */
/* Unknown device placeholder */
DPAA2_UNKNOWN
DPAA2_UNKNOWN,
DPAA2_DEVTYPE_MAX,
};
TAILQ_HEAD(rte_dpaa2_object_list, rte_dpaa2_object);
@ -124,8 +125,8 @@ struct rte_fslmc_bus {
/**< FSLMC DPAA2 Device list */
struct rte_fslmc_driver_list driver_list;
/**< FSLMC DPAA2 Driver list */
int device_count;
/**< Optional: Count of devices on bus */
int device_count[DPAA2_DEVTYPE_MAX];
/**< Count of all devices scanned */
};
/**
@ -165,6 +166,17 @@ RTE_PMD_EXPORT_NAME(nm, __COUNTER__)
*/
void rte_fslmc_object_register(struct rte_dpaa2_object *object);
/**
* Count of a particular type of DPAA2 device scanned on the bus.
*
* @param dev_type
* Type of device as rte_dpaa2_dev_type enumerator
* @return
* >=0 for count; 0 indicates either no device of the said type scanned or
* invalid device type.
*/
uint32_t rte_fslmc_get_device_count(enum rte_dpaa2_dev_type device_type);
/** Helper for DPAA2 object registration */
#define RTE_PMD_REGISTER_DPAA2_OBJECT(nm, dpaa2_obj) \
RTE_INIT(dpaa2objinitfn_ ##nm); \