[dpdk-dev] [v4] cryptodev: add telemetry endpoint for cryptodev capabilities
From: Gowrishankar Muthukrishnan <hidden>
Date: 2021-10-26 12:52:17
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
Add telemetry endpoint for cryptodev capabilities.
Signed-off-by: Gowrishankar Muthukrishnan <redacted>
---
Depends-on: patch-19601 ("cryptodev: add telemetry callbacks")
v4:
- minor cleanup
---
lib/cryptodev/rte_cryptodev.c | 61 +++++++++++++++++++++++++++++++++++
1 file changed, 61 insertions(+)
diff --git a/lib/cryptodev/rte_cryptodev.c b/lib/cryptodev/rte_cryptodev.c
index f9e241c60a..e01f651cf9 100644
--- a/lib/cryptodev/rte_cryptodev.c
+++ b/lib/cryptodev/rte_cryptodev.c@@ -2503,6 +2503,64 @@ cryptodev_handle_dev_stats(const char *cmd __rte_unused, return 0; } +#define CRYPTO_CAPS_SZ \ + (RTE_ALIGN_CEIL(sizeof(struct rte_cryptodev_capabilities), \ + sizeof(uint64_t)) / \ + sizeof(uint64_t)) + +static int +crypto_caps_array(struct rte_tel_data *d, + const struct rte_cryptodev_capabilities *capabilities) +{ + const struct rte_cryptodev_capabilities *dev_caps; + uint64_t caps_val[CRYPTO_CAPS_SZ]; + unsigned int i = 0, j; + + rte_tel_data_start_array(d, RTE_TEL_U64_VAL); + + while ((dev_caps = &capabilities[i++])->op != + RTE_CRYPTO_OP_TYPE_UNDEFINED) { + memset(&caps_val, 0, sizeof(caps_val[0])); + rte_memcpy(caps_val, dev_caps, sizeof(capabilities[0])); + for (j = 0; j < CRYPTO_CAPS_SZ; j++) + rte_tel_data_add_array_u64(d, caps_val[j]); + } + + return i; +} + +static int +cryptodev_handle_dev_caps(const char *cmd __rte_unused, const char *params, + struct rte_tel_data *d) +{ + struct rte_cryptodev_info dev_info; + struct rte_tel_data *crypto_caps; + int crypto_caps_n; + char *end_param; + int dev_id; + + if (!params || strlen(params) == 0 || !isdigit(*params)) + return -EINVAL; + + dev_id = strtoul(params, &end_param, 0); + if (*end_param != '\0') + CDEV_LOG_ERR("Extra parameters passed to command, ignoring"); + if (!rte_cryptodev_is_valid_dev(dev_id)) + return -EINVAL; + + rte_tel_data_start_dict(d); + crypto_caps = rte_tel_data_alloc(); + if (!crypto_caps) + return -ENOMEM; + + rte_cryptodev_info_get(dev_id, &dev_info); + crypto_caps_n = crypto_caps_array(crypto_caps, dev_info.capabilities); + rte_tel_data_add_dict_container(d, "crypto_caps", crypto_caps, 0); + rte_tel_data_add_dict_int(d, "crypto_caps_n", crypto_caps_n); + + return 0; +} + RTE_INIT(cryptodev_init_fp_ops) { uint32_t i;
@@ -2522,4 +2580,7 @@ RTE_INIT(cryptodev_init_telemetry) rte_telemetry_register_cmd("/cryptodev/stats", cryptodev_handle_dev_stats, "Returns the stats for a cryptodev. Parameters: int dev_id"); + rte_telemetry_register_cmd("/cryptodev/caps", + cryptodev_handle_dev_caps, + "Returns the capabilities for a cryptodev. Parameters: int dev_id"); }
--
2.25.1