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mempool/octeontx: support count query

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Signed-off-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
This commit is contained in:
Santosh Shukla 2017-10-08 18:10:08 +05:30 committed by Thomas Monjalon
parent e4f6731454
commit e48de68d89
3 changed files with 40 additions and 1 deletions
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27
drivers/mempool/octeontx/octeontx_fpavf.c
View File

@ -483,6 +483,33 @@ octeontx_fpa_bufpool_block_size(uintptr_t handle)
return FPA_CACHE_LINE_2_OBJSZ(res->sz128);
}
int
octeontx_fpa_bufpool_free_count(uintptr_t handle)
{
uint64_t cnt, limit, avail;
uint8_t gpool;
uintptr_t pool_bar;
if (unlikely(!octeontx_fpa_handle_valid(handle)))
return -EINVAL;
/* get the gpool */
gpool = octeontx_fpa_bufpool_gpool(handle);
/* Get pool bar address from handle */
pool_bar = handle & ~(uint64_t)FPA_GPOOL_MASK;
cnt = fpavf_read64((void *)((uintptr_t)pool_bar +
FPA_VF_VHAURA_CNT(gpool)));
limit = fpavf_read64((void *)((uintptr_t)pool_bar +
FPA_VF_VHAURA_CNT_LIMIT(gpool)));
avail = fpavf_read64((void *)((uintptr_t)pool_bar +
FPA_VF_VHPOOL_AVAILABLE(gpool)));
return RTE_MIN(avail, (limit - cnt));
}
uintptr_t
octeontx_fpa_bufpool_create(unsigned int object_size, unsigned int object_count,
unsigned int buf_offset, char **va_start,

2
drivers/mempool/octeontx/octeontx_fpavf.h
View File

@ -139,6 +139,8 @@ int
octeontx_fpa_bufpool_destroy(uintptr_t handle, int node);
int
octeontx_fpa_bufpool_block_size(uintptr_t handle);
int
octeontx_fpa_bufpool_free_count(uintptr_t handle);
static __rte_always_inline uint8_t
octeontx_fpa_bufpool_gpool(uintptr_t handle)

12
drivers/mempool/octeontx/rte_mempool_octeontx.c
View File

@ -149,13 +149,23 @@ octeontx_fpavf_dequeue(struct rte_mempool *mp, void **obj_table,
return 0;
}
static unsigned int
octeontx_fpavf_get_count(const struct rte_mempool *mp)
{
uintptr_t pool;
pool = (uintptr_t)mp->pool_id;
return octeontx_fpa_bufpool_free_count(pool);
}
static struct rte_mempool_ops octeontx_fpavf_ops = {
.name = "octeontx_fpavf",
.alloc = octeontx_fpavf_alloc,
.free = octeontx_fpavf_free,
.enqueue = octeontx_fpavf_enqueue,
.dequeue = octeontx_fpavf_dequeue,
.get_count = NULL,
.get_count = octeontx_fpavf_get_count,
.get_capabilities = NULL,
.register_memory_area = NULL,
};