[PATCH 19.11] eventdev/crypto: fix multi-process
Ganapati Kundapura
ganapati.kundapura at intel.com
Fri Nov 11 17:09:03 CET 2022
[ upstream commit 8f4ff7de39693dfd26336afea5e12e1a7d8fd9b0 ]
Secondary process is not able to call the crypto adapter
APIs stats get/reset as crypto adapter memzone memory
is not accessible by secondary process.
Added memzone lookup so that secondary process can call the
crypto adapter APIs(stats_get etc)
Fixes: 7901eac3409a ("eventdev: add crypto adapter implementation")
Cc: stable at dpdk.org
Signed-off-by: Ganapati Kundapura <ganapati.kundapura at intel.com>
Acked-by: Abhinandan Gujjar <abhinandan.gujjar at intel.com>
diff --git a/lib/librte_eventdev/rte_event_crypto_adapter.c b/lib/librte_eventdev/rte_event_crypto_adapter.c
index 3c330c6cb..4f67b8faf 100644
--- a/lib/librte_eventdev/rte_event_crypto_adapter.c
+++ b/lib/librte_eventdev/rte_event_crypto_adapter.c
@@ -29,6 +29,8 @@
*/
#define CRYPTO_ENQ_FLUSH_THRESHOLD 1024
+#define ECA_ADAPTER_ARRAY "crypto_adapter_array"
+
struct rte_event_crypto_adapter {
/* Event device identifier */
uint8_t eventdev_id;
@@ -117,7 +119,6 @@ eca_valid_id(uint8_t id)
static int
eca_init(void)
{
- const char *name = "crypto_adapter_array";
const struct rte_memzone *mz;
unsigned int sz;
@@ -125,9 +126,10 @@ eca_init(void)
RTE_EVENT_CRYPTO_ADAPTER_MAX_INSTANCE;
sz = RTE_ALIGN(sz, RTE_CACHE_LINE_SIZE);
- mz = rte_memzone_lookup(name);
+ mz = rte_memzone_lookup(ECA_ADAPTER_ARRAY);
if (mz == NULL) {
- mz = rte_memzone_reserve_aligned(name, sz, rte_socket_id(), 0,
+ mz = rte_memzone_reserve_aligned(ECA_ADAPTER_ARRAY, sz,
+ rte_socket_id(), 0,
RTE_CACHE_LINE_SIZE);
if (mz == NULL) {
RTE_EDEV_LOG_ERR("failed to reserve memzone err = %"
@@ -140,6 +142,22 @@ eca_init(void)
return 0;
}
+static int
+eca_memzone_lookup(void)
+{
+ const struct rte_memzone *mz;
+
+ if (event_crypto_adapter == NULL) {
+ mz = rte_memzone_lookup(ECA_ADAPTER_ARRAY);
+ if (mz == NULL)
+ return -ENOMEM;
+
+ event_crypto_adapter = mz->addr;
+ }
+
+ return 0;
+}
+
static inline struct rte_event_crypto_adapter *
eca_id_to_adapter(uint8_t id)
{
@@ -1037,6 +1055,9 @@ rte_event_crypto_adapter_stats_get(uint8_t id,
uint32_t i;
int ret;
+ if (eca_memzone_lookup())
+ return -ENOMEM;
+
EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
adapter = eca_id_to_adapter(id);
@@ -1078,6 +1099,9 @@ rte_event_crypto_adapter_stats_reset(uint8_t id)
struct rte_eventdev *dev;
uint32_t i;
+ if (eca_memzone_lookup())
+ return -ENOMEM;
+
EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
adapter = eca_id_to_adapter(id);
--
2.23.0
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