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compressdev: add device feature flags

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Signed-off-by: Fiona Trahe <fiona.trahe@intel.com>
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Signed-off-by: Shally Verma <shally.verma@caviumnetworks.com>
Signed-off-by: Ashish Gupta <ashish.gupta@caviumnetworks.com>
This commit is contained in:
Fiona Trahe 2018-04-27 14:24:02 +01:00 committed by Pablo de Lara
parent 0d6717c437
commit f40d300a81
3 changed files with 55 additions and 0 deletions
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21
lib/librte_compressdev/rte_compressdev.c
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@ -31,6 +31,27 @@ static struct rte_compressdev_global compressdev_globals = {
struct rte_compressdev_global *rte_compressdev_globals = &compressdev_globals;
const char * __rte_experimental
rte_compressdev_get_feature_name(uint64_t flag)
{
switch (flag) {
case RTE_COMPDEV_FF_HW_ACCELERATED:
return "HW_ACCELERATED";
case RTE_COMPDEV_FF_CPU_SSE:
return "CPU_SSE";
case RTE_COMPDEV_FF_CPU_AVX:
return "CPU_AVX";
case RTE_COMPDEV_FF_CPU_AVX2:
return "CPU_AVX2";
case RTE_COMPDEV_FF_CPU_AVX512:
return "CPU_AVX512";
case RTE_COMPDEV_FF_CPU_NEON:
return "CPU_NEON";
default:
return NULL;
}
}
static struct rte_compressdev *
rte_compressdev_get_dev(uint8_t dev_id)
{

33
lib/librte_compressdev/rte_compressdev.h
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@ -21,9 +21,42 @@ extern "C" {
#include "rte_comp.h"
/**
* compression device supported feature flags
*
* @note New features flags should be added to the end of the list
*
* Keep these flags synchronised with rte_compressdev_get_feature_name()
*/
#define RTE_COMPDEV_FF_HW_ACCELERATED (1ULL << 0)
/**< Operations are off-loaded to an external hardware accelerator */
#define RTE_COMPDEV_FF_CPU_SSE (1ULL << 1)
/**< Utilises CPU SIMD SSE instructions */
#define RTE_COMPDEV_FF_CPU_AVX (1ULL << 2)
/**< Utilises CPU SIMD AVX instructions */
#define RTE_COMPDEV_FF_CPU_AVX2 (1ULL << 3)
/**< Utilises CPU SIMD AVX2 instructions */
#define RTE_COMPDEV_FF_CPU_AVX512 (1ULL << 4)
/**< Utilises CPU SIMD AVX512 instructions */
#define RTE_COMPDEV_FF_CPU_NEON (1ULL << 5)
/**< Utilises CPU NEON instructions */
/**
* Get the name of a compress device feature flag.
*
* @param flag
* The mask describing the flag
*
* @return
* The name of this flag, or NULL if it's not a valid feature flag.
*/
const char * __rte_experimental
rte_compressdev_get_feature_name(uint64_t flag);
/** comp device information */
struct rte_compressdev_info {
const char *driver_name; /**< Driver name. */
uint64_t feature_flags; /**< Feature flags */
uint16_t max_nb_queue_pairs;
/**< Maximum number of queues pairs supported by device.
* (If 0, there is no limit in maximum number of queue pairs)

1
lib/librte_compressdev/rte_compressdev_version.map
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@ -9,6 +9,7 @@ EXPERIMENTAL {
rte_compressdev_dequeue_burst;
rte_compressdev_devices_get;
rte_compressdev_enqueue_burst;
rte_compressdev_get_feature_name;
rte_compressdev_info_get;
rte_compressdev_name_get;
rte_compressdev_pmd_allocate;