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bus/dpaa: scan for DPAA Crypto devices

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Signed-off-by: Shreyansh Jain <shreyansh.jain@nxp.com>
Signed-off-by: Akhil Goyal <akhil.goyal@nxp.com>
This commit is contained in:
Akhil Goyal 2017-10-09 19:51:39 +05:30 committed by Pablo de Lara
parent 77a217a19b
commit 9e54357358
2 changed files with 55 additions and 0 deletions
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3
config/defconfig_arm64-dpaa-linuxapp-gcc
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@ -57,3 +57,6 @@ CONFIG_RTE_MBUF_DEFAULT_MEMPOOL_OPS="dpaa"
# Compile software NXP DPAA PMD
CONFIG_RTE_LIBRTE_DPAA_PMD=y
# DPAA CAAM driver instances
CONFIG_RTE_LIBRTE_DPAA_MAX_CRYPTODEV=4

52
drivers/bus/dpaa/dpaa_bus.c
View File

@ -93,6 +93,22 @@ dpaa_remove_from_device_list(struct rte_dpaa_device *dev)
TAILQ_INSERT_TAIL(&rte_dpaa_bus.device_list, dev, next);
}
/*
* Reads the SEC device from DTS
* Returns -1 if SEC devices not available, 0 otherwise
*/
static inline int
dpaa_sec_available(void)
{
const struct device_node *caam_node;
for_each_compatible_node(caam_node, NULL, "fsl,sec-v4.0") {
return 0;
}
return -1;
}
static void dpaa_clean_device_list(void);
static int
@ -134,6 +150,42 @@ dpaa_create_device_list(void)
rte_dpaa_bus.device_count = i;
/* Unlike case of ETH, RTE_LIBRTE_DPAA_MAX_CRYPTODEV SEC devices are
* constantly created only if "sec" property is found in the device
* tree. Logically there is no limit for number of devices (QI
* interfaces) that can be created.
*/
if (dpaa_sec_available()) {
DPAA_BUS_LOG(INFO, "DPAA SEC devices are not available");
return 0;
}
/* Creating SEC Devices */
for (i = 0; i < RTE_LIBRTE_DPAA_MAX_CRYPTODEV; i++) {
dev = calloc(1, sizeof(struct rte_dpaa_device));
if (!dev) {
DPAA_BUS_LOG(ERR, "Failed to allocate SEC devices");
ret = -1;
goto cleanup;
}
dev->device_type = FSL_DPAA_CRYPTO;
dev->id.dev_id = rte_dpaa_bus.device_count + i;
/* Even though RTE_CRYPTODEV_NAME_MAX_LEN is valid length of
* crypto PMD, using RTE_ETH_NAME_MAX_LEN as that is the size
* allocated for dev->name/
*/
memset(dev->name, 0, RTE_ETH_NAME_MAX_LEN);
sprintf(dev->name, "dpaa-sec%d", i);
DPAA_BUS_LOG(DEBUG, "Device added: %s", dev->name);
dpaa_add_to_device_list(dev);
}
rte_dpaa_bus.device_count += i;
return 0;
cleanup: