path: root/net/devlink/param.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (c) 2016 Mellanox Technologies. All rights reserved.
 * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com>
 */

#include "devl_internal.h"

static const struct devlink_param devlink_param_generic[] = {
	{
		.id = DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
		.name = DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME,
		.type = DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
		.name = DEVLINK_PARAM_GENERIC_MAX_MACS_NAME,
		.type = DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
		.name = DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME,
		.type = DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
		.name = DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME,
		.type = DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
		.name = DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME,
		.type = DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
		.name = DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME,
		.type = DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
		.name = DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME,
		.type = DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
		.name = DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME,
		.type = DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
		.name = DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME,
		.type = DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
		.name = DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME,
		.type = DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
		.name = DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME,
		.type = DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
		.name = DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME,
		.type = DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
		.name = DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME,
		.type = DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
		.name = DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME,
		.type = DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP,
		.name = DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME,
		.type = DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE,
		.name = DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME,
		.type = DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE,
		.name = DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME,
		.type = DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_ENABLE_PHC,
		.name = DEVLINK_PARAM_GENERIC_ENABLE_PHC_NAME,
		.type = DEVLINK_PARAM_GENERIC_ENABLE_PHC_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_CLOCK_ID,
		.name = DEVLINK_PARAM_GENERIC_CLOCK_ID_NAME,
		.type = DEVLINK_PARAM_GENERIC_CLOCK_ID_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_TOTAL_VFS,
		.name = DEVLINK_PARAM_GENERIC_TOTAL_VFS_NAME,
		.type = DEVLINK_PARAM_GENERIC_TOTAL_VFS_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_NUM_DOORBELLS,
		.name = DEVLINK_PARAM_GENERIC_NUM_DOORBELLS_NAME,
		.type = DEVLINK_PARAM_GENERIC_NUM_DOORBELLS_TYPE,
	},
	{
		.id = DEVLINK_PARAM_GENERIC_ID_MAX_MAC_PER_VF,
		.name = DEVLINK_PARAM_GENERIC_MAX_MAC_PER_VF_NAME,
		.type = DEVLINK_PARAM_GENERIC_MAX_MAC_PER_VF_TYPE,
	},
};

static int devlink_param_generic_verify(const struct devlink_param *param)
{
	/* verify it match generic parameter by id and name */
	if (param->id > DEVLINK_PARAM_GENERIC_ID_MAX)
		return -EINVAL;
	if (strcmp(param->name, devlink_param_generic[param->id].name))
		return -ENOENT;

	WARN_ON(param->type != devlink_param_generic[param->id].type);

	return 0;
}

static int devlink_param_driver_verify(const struct devlink_param *param)
{
	int i;

	if (param->id <= DEVLINK_PARAM_GENERIC_ID_MAX)
		return -EINVAL;
	/* verify no such name in generic params */
	for (i = 0; i <= DEVLINK_PARAM_GENERIC_ID_MAX; i++)
		if (!strcmp(param->name, devlink_param_generic[i].name))
			return -EEXIST;

	return 0;
}

static struct devlink_param_item *
devlink_param_find_by_name(struct xarray *params, const char *param_name)
{
	struct