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devlink: introduce framework for selftests

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Add a framework for running selftests.
Framework exposes devlink commands and test suite(s) to the user
to execute and query the supported tests by the driver.

Below are new entries in devlink_nl_ops
devlink_nl_cmd_selftests_show_doit/dumpit: To query the supported
selftests by the drivers.
devlink_nl_cmd_selftests_run: To execute selftests. Users can
provide a test mask for executing group tests or standalone tests.

Documentation/networking/devlink/ path is already part of MAINTAINERS &
the new files come under this path. Hence no update needed to the
MAINTAINERS

Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
Reviewed-by: Andy Gospodarek <gospo@broadcom.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Vikas Gupta
2022-07-27 22:27:20 +05:30
committed by Jakub Kicinski
parent 68be7b82e7
commit 08f588fa30
4 changed files with 304 additions and 0 deletions
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29
include/uapi/linux/devlink.h
View File

@@ -136,6 +136,9 @@ enum devlink_command {
DEVLINK_CMD_LINECARD_NEW,
DEVLINK_CMD_LINECARD_DEL,
DEVLINK_CMD_SELFTESTS_GET, /* can dump */
DEVLINK_CMD_SELFTESTS_RUN,
/* add new commands above here */
__DEVLINK_CMD_MAX,
DEVLINK_CMD_MAX = __DEVLINK_CMD_MAX - 1
@@ -276,6 +279,30 @@ enum {
#define DEVLINK_SUPPORTED_FLASH_OVERWRITE_SECTIONS \
(_BITUL(__DEVLINK_FLASH_OVERWRITE_MAX_BIT) - 1)
enum devlink_attr_selftest_id {
DEVLINK_ATTR_SELFTEST_ID_UNSPEC,
DEVLINK_ATTR_SELFTEST_ID_FLASH, /* flag */
__DEVLINK_ATTR_SELFTEST_ID_MAX,
DEVLINK_ATTR_SELFTEST_ID_MAX = __DEVLINK_ATTR_SELFTEST_ID_MAX - 1
};
enum devlink_selftest_status {
DEVLINK_SELFTEST_STATUS_SKIP,
DEVLINK_SELFTEST_STATUS_PASS,
DEVLINK_SELFTEST_STATUS_FAIL
};
enum devlink_attr_selftest_result {
DEVLINK_ATTR_SELFTEST_RESULT_UNSPEC,
DEVLINK_ATTR_SELFTEST_RESULT, /* nested */
DEVLINK_ATTR_SELFTEST_RESULT_ID, /* u32, enum devlink_attr_selftest_id */
DEVLINK_ATTR_SELFTEST_RESULT_STATUS, /* u8, enum devlink_selftest_status */
__DEVLINK_ATTR_SELFTEST_RESULT_MAX,
DEVLINK_ATTR_SELFTEST_RESULT_MAX = __DEVLINK_ATTR_SELFTEST_RESULT_MAX - 1
};
/**
* enum devlink_trap_action - Packet trap action.
* @DEVLINK_TRAP_ACTION_DROP: Packet is dropped by the device and a copy is not
@@ -578,6 +605,8 @@ enum devlink_attr {
DEVLINK_ATTR_NESTED_DEVLINK, /* nested */
DEVLINK_ATTR_SELFTESTS, /* nested */
/* add new attributes above here, update the policy in devlink.c */
__DEVLINK_ATTR_MAX,