From: Fiona Trahe <fiona.tr...@intel.com>
Signed-off-by: Fiona Trahe <fiona.tr...@intel.com>
Signed-off-by: Pablo de Lara <pablo.de.lara.gua...@intel.com>
Signed-off-by: Shally Verma <shally.ve...@caviumnetworks.com>
Signed-off-by: Ashish Gupta <ashish.gu...@caviumnetworks.com>
---
lib/librte_compressdev/rte_compressdev.c | 21 ++++++++++++++
lib/librte_compressdev/rte_compressdev.h | 33 ++++++++++++++++++++++
lib/librte_compressdev/rte_compressdev_version.map | 1 +
3 files changed, 55 insertions(+)
diff --git a/lib/librte_compressdev/rte_compressdev.c
b/lib/librte_compressdev/rte_compressdev.c
index 433973aaa..b962ccf23 100644
--- a/lib/librte_compressdev/rte_compressdev.c
+++ b/lib/librte_compressdev/rte_compressdev.c
@@ -56,6 +56,27 @@ 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;
+ }
+}
+
struct rte_compressdev * __rte_experimental
rte_compressdev_pmd_get_dev(uint8_t dev_id)
{
diff --git a/lib/librte_compressdev/rte_compressdev.h
b/lib/librte_compressdev/rte_compressdev.h
index 0e148dd30..72c46dd96 100644
--- a/lib/librte_compressdev/rte_compressdev.h
+++ b/lib/librte_compressdev/rte_compressdev.h
@@ -34,10 +34,43 @@ extern int compressdev_logtype;
#define RTE_COMPRESSDEV_NAME_MAX_LEN (64)
/**< Max length of name of comp PMD */
+/**
+ * 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. */
uint8_t driver_id; /**< Driver identifier */
+ 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)
diff --git a/lib/librte_compressdev/rte_compressdev_version.map
b/lib/librte_compressdev/rte_compressdev_version.map
index 58cb5205a..01ddc7a07 100644
--- a/lib/librte_compressdev/rte_compressdev_version.map
+++ b/lib/librte_compressdev/rte_compressdev_version.map
@@ -12,6 +12,7 @@ EXPERIMENTAL {
rte_compressdev_devices_get;
rte_compressdev_driver_id_get;
rte_compressdev_driver_name_get;
+ rte_compressdev_get_feature_name;
rte_compressdev_info_get;
rte_compressdev_is_valid_dev;
rte_compressdev_name_get;
--
2.14.3
