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cryptodev: add telemetry endpoint for capabilities

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Add telemetry endpoint for getting cryptodev capabilities.

Signed-off-by: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
Acked-by: Akhil Goyal <gakhil@marvell.com>
This commit is contained in:
Gowrishankar Muthukrishnan 2021-10-26 18:43:10 +05:30 committed by Akhil Goyal
parent d3d98f5ce9
commit 1c559ee846
3 changed files with 67 additions and 0 deletions
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5
doc/guides/prog_guide/cryptodev_lib.rst
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@ -1308,5 +1308,10 @@ are shown below.
{"/cryptodev/stats": {"enqueued_count": 0, "dequeued_count": 0,
"enqueue_err_count": 0, "dequeue_err_count": 0}}
#. Get the capabilities of a particular Crypto device::
--> /cryptodev/caps,0
{"/cryptodev/caps": {"crypto_caps": [<array of serialized bytes of
capabilities>], "crypto_caps_n": <number of capabilities>}}
For more information on how to use the Telemetry interface, see
the :doc:`../howto/telemetry`.

1
doc/guides/rel_notes/release_21_11.rst
View File

@ -237,6 +237,7 @@ New Features
Added telemetry callback functions which allow a list of crypto devices,
stats for a crypto device, and other device information to be queried.
Also added callback to get cryptodev capabilities.
* **Updated Marvell cnxk crypto PMD.**

61
lib/cryptodev/rte_cryptodev.c
View File

@ -2511,6 +2511,64 @@ 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, CRYPTO_CAPS_SZ * 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_telemetry)
{
rte_telemetry_register_cmd("/cryptodev/info", cryptodev_handle_dev_info,
@ -2521,4 +2579,7 @@ 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");
}