/* SPDX-License-Identifier: GPL-2.0-or-later *//* * include/net/devlink.h - Network physical device Netlink interface * Copyright (c) 2016 Mellanox Technologies. All rights reserved. * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com> */#ifndef _NET_DEVLINK_H_#define _NET_DEVLINK_H_ #include <linux/device.h>#include <linux/slab.h>#include <linux/gfp.h>#include <linux/list.h>#include <linux/netdevice.h>#include <linux/spinlock.h>#include <linux/workqueue.h>#include <linux/refcount.h>#include <net/net_namespace.h>#include <net/flow_offload.h>#include <uapi/linux/devlink.h>#include <linux/xarray.h> struct devlink_ops; struct devlink { struct list_head list; struct list_head port_list; struct list_head sb_list; struct list_head dpipe_table_list; struct list_head resource_list; struct list_head param_list; struct list_head region_list; struct list_head reporter_list; struct mutex reporters_lock; /* protects reporter_list */ struct devlink_dpipe_headers *dpipe_headers; struct list_head trap_list; struct list_head trap_group_list; struct list_head trap_policer_list; const struct devlink_ops *ops; struct xarray snapshot_ids; struct device *dev; possible_net_t _net; struct mutex lock; /* Serializes access to devlink instance specific objects such as * port, sb, dpipe, resource, params, region, traps and more. */ u8 reload_failed:1, reload_enabled:1, registered:1; char priv[0] __aligned(NETDEV_ALIGN);}; struct devlink_port_phys_attrs { u32 port_number; /* Same value as "split group". * A physical port which is visible to the user * for a given port flavour. */ u32 split_subport_number; /* If the port is split, this is the number of subport. */}; struct devlink_port_pci_pf_attrs { u16 pf; /* Associated PCI PF for this port. */}; struct devlink_port_pci_vf_attrs { u16 pf; /* Associated PCI PF for this port. */ u16 vf; /* Associated PCI VF for of the PCI PF for this port. */}; /** * struct devlink_port_attrs - devlink port object * @flavour: flavour of the port * @split: indicates if this is split port * @splittable: indicates if the port can be split. * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink. * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL */struct devlink_port_attrs { u8 split:1, splittable:1; u32 lanes; enum devlink_port_flavour flavour; struct netdev_phys_item_id switch_id; union { struct devlink_port_phys_attrs phys; struct devlink_port_pci_pf_attrs pci_pf; struct devlink_port_pci_vf_attrs pci_vf; };}; struct devlink_port { struct list_head list; struct list_head param_list; struct devlink *devlink; unsigned int index; bool registered; spinlock_t type_lock; /* Protects type and type_dev * pointer consistency. */ enum devlink_port_type type; enum devlink_port_type desired_type; void *type_dev; struct devlink_port_attrs attrs; u8 attrs_set:1, switch_port:1; struct delayed_work type_warn_dw; struct list_head reporter_list; struct mutex reporters_lock; /* Protects reporter_list */}; struct devlink_sb_pool_info { enum devlink_sb_pool_type pool_type; u32 size; enum devlink_sb_threshold_type threshold_type; u32 cell_size;}; /** * struct devlink_dpipe_field - dpipe field object * @name: field name * @id: index inside the headers field array * @bitwidth: bitwidth * @mapping_type: mapping type */struct devlink_dpipe_field { const char *name; unsigned int id; unsigned int bitwidth; enum devlink_dpipe_field_mapping_type mapping_type;}; /** * struct devlink_dpipe_header - dpipe header object * @name: header name * @id: index, global/local detrmined by global bit * @fields: fields * @fields_count: number of fields * @global: indicates if header is shared like most protocol header * or driver specific */struct devlink_dpipe_header { const char *name; unsigned int id; struct devlink_dpipe_field *fields; unsigned int fields_count; bool global;}; /** * struct devlink_dpipe_match - represents match operation * @type: type of match * @header_index: header index (packets can have several headers of same * type like in case of tunnels) * @header: header * @fieled_id: field index */struct devlink_dpipe_match { enum devlink_dpipe_match_type type; unsigned int header_index; struct devlink_dpipe_header *header; unsigned int field_id;}; /** * struct devlink_dpipe_action - represents action operation * @type: type of action * @header_index: header index (packets can have several headers of same * type like in case of tunnels) * @header: header * @fieled_id: field index */struct devlink_dpipe_action { enum devlink_dpipe_action_type type; unsigned int header_index; struct devlink_dpipe_header *header; unsigned int field_id;}; /** * struct devlink_dpipe_value - represents value of match/action * @action: action * @match: match * @mapping_value: in case the field has some mapping this value * specified the mapping value * @mapping_valid: specify if mapping value is valid * @value_size: value size * @value: value * @mask: bit mask */struct devlink_dpipe_value { union { struct devlink_dpipe_action *action; struct devlink_dpipe_match *match; }; unsigned int mapping_value; bool mapping_valid; unsigned int value_size; void *value; void *mask;}; /** * struct devlink_dpipe_entry - table entry object * @index: index of the entry in the table * @match_values: match values * @matche_values_count: count of matches tuples * @action_values: actions values * @action_values_count: count of actions values * @counter: value of counter * @counter_valid: Specify if value is valid from hardware */struct devlink_dpipe_entry { u64 index; struct devlink_dpipe_value *match_values; unsigned int match_values_count; struct devlink_dpipe_value *action_values; unsigned int action_values_count; u64 counter; bool counter_valid;}; /** * struct devlink_dpipe_dump_ctx - context provided to driver in order * to dump * @info: info * @cmd: devlink command * @skb: skb * @nest: top attribute * @hdr: hdr */struct devlink_dpipe_dump_ctx { struct genl_info *info; enum devlink_command cmd; struct sk_buff *skb; struct nlattr *nest; void *hdr;}; struct devlink_dpipe_table_ops; /** * struct devlink_dpipe_table - table object * @priv: private * @name: table name * @counters_enabled: indicates if counters are active * @counter_control_extern: indicates if counter control is in dpipe or * external tool * @resource_valid: Indicate that the resource id is valid * @resource_id: relative resource this table is related to * @resource_units: number of resource's unit consumed per table's entry * @table_ops: table operations * @rcu: rcu */struct devlink_dpipe_table { void *priv; struct list_head list; const char *name; bool counters_enabled; bool counter_control_extern; bool resource_valid; u64 resource_id; u64 resource_units; struct devlink_dpipe_table_ops *table_ops; struct rcu_head rcu;}; /** * struct devlink_dpipe_table_ops - dpipe_table ops * @actions_dump - dumps all tables actions * @matches_dump - dumps all tables matches * @entries_dump - dumps all active entries in the table * @counters_set_update - when changing the counter status hardware sync * maybe needed to allocate/free counter related * resources * @size_get - get size */struct devlink_dpipe_table_ops { int (*actions_dump)(void *priv, struct sk_buff *skb); int (*matches_dump)(void *priv, struct sk_buff *skb); int (*entries_dump)(void *priv, bool counters_enabled, struct devlink_dpipe_dump_ctx *dump_ctx); int (*counters_set_update)(void *priv, bool enable); u64 (*size_get)(void *priv);}; /** * struct devlink_dpipe_headers - dpipe headers * @headers - header array can be shared (global bit) or driver specific * @headers_count - count of headers */struct devlink_dpipe_headers { struct devlink_dpipe_header **headers; unsigned int headers_count;}; /** * struct devlink_resource_size_params - resource's size parameters * @size_min: minimum size which can be set * @size_max: maximum size which can be set * @size_granularity: size granularity * @size_unit: resource's basic unit */struct devlink_resource_size_params { u64 size_min; u64 size_max; u64 size_granularity; enum devlink_resource_unit unit;}; static inline voiddevlink_resource_size_params_init(struct devlink_resource_size_params *size_params, u64 size_min, u64 size_max, u64 size_granularity, enum devlink_resource_unit unit){ size_params->size_min = size_min; size_params->size_max = size_max; size_params->size_granularity = size_granularity; size_params->unit = unit;} typedef u64 devlink_resource_occ_get_t(void *priv); /** * struct devlink_resource - devlink resource * @name: name of the resource * @id: id, per devlink instance * @size: size of the resource * @size_new: updated size of the resource, reload is needed * @size_valid: valid in case the total size of the resource is valid * including its children * @parent: parent resource * @size_params: size parameters * @list: parent list * @resource_list: list of child resources */struct devlink_resource { const char *name; u64 id; u64 size; u64 size_new; bool size_valid; struct devlink_resource *parent; struct devlink_resource_size_params size_params; struct list_head list; struct list_head resource_list; devlink_resource_occ_get_t *occ_get; void *occ_get_priv;}; #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32enum devlink_param_type { DEVLINK_PARAM_TYPE_U8, DEVLINK_PARAM_TYPE_U16, DEVLINK_PARAM_TYPE_U32, DEVLINK_PARAM_TYPE_STRING, DEVLINK_PARAM_TYPE_BOOL,}; union devlink_param_value { u8 vu8; u16 vu16; u32 vu32; char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; bool vbool;}; struct devlink_param_gset_ctx { union devlink_param_value val; enum devlink_param_cmode cmode;}; /** * struct devlink_param - devlink configuration parameter data * @name: name of the parameter * @generic: indicates if the parameter is generic or driver specific * @type: parameter type * @supported_cmodes: bitmap of supported configuration modes * @get: get parameter value, used for runtime and permanent * configuration modes * @set: set parameter value, used for runtime and permanent * configuration modes * @validate: validate input value is applicable (within value range, etc.) * * This struct should be used by the driver to fill the data for * a parameter it registers. */struct devlink_param { u32 id; const char *name; bool generic; enum devlink_param_type type; unsigned long supported_cmodes; int (*get)(struct devlink *devlink, u32 id, struct devlink_param_gset_ctx *ctx); int (*set)(struct devlink *devlink, u32 id, struct devlink_param_gset_ctx *ctx); int (*validate)(struct devlink *devlink, u32 id, union devlink_param_value val, struct netlink_ext_ack *extack);}; struct devlink_param_item { struct list_head list; const struct devlink_param *param; union devlink_param_value driverinit_value; bool driverinit_value_valid; bool published;}; enum devlink_param_generic_id { DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, DEVLINK_PARAM_GENERIC_ID_MAX_MACS, DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, /* add new param generic ids above here*/ __DEVLINK_PARAM_GENERIC_ID_MAX, DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,}; #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"#define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ "reset_dev_on_drv_probe"#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \{ \ .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ .generic = true, \ .supported_cmodes = _cmodes, \ .get = _get, \ .set = _set, \ .validate = _validate, \} #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \{ \ .id = _id, \ .name = _name, \ .type = _type, \ .supported_cmodes = _cmodes, \ .get = _get, \ .set = _set, \ .validate = _validate, \} /* Part number, identifier of board design */#define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"/* Revision of board design */#define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"/* Maker of the board */#define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" /* Part number, identifier of asic design */#define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"/* Revision of asic design */#define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" /* Overall FW version */#define DEVLINK_INFO_VERSION_GENERIC_FW "fw"/* Control processor FW version */#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"/* FW interface specification version */#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"Lines 1–500 of 1447. 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/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/net/devlink.h - Network physical device Netlink interface * Copyright (c) 2016 Mellanox Technologies. All rights reserved. * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com> */ #ifndef _NET_DEVLINK_H_ #define _NET_DEVLINK_H_ #include <linux/device.h> #include <linux/slab.h> #include <linux/gfp.h> #include <linux/list.h> #include <linux/netdevice.h> #include <linux/spinlock.h> #include <linux/workqueue.h> #include <linux/refcount.h> #include <net/net_namespace.h> #include <net/flow_offload.h> #include <uapi/linux/devlink.h> #include <linux/xarray.h> struct devlink_ops; struct devlink { struct list_head list; struct list_head port_list; struct list_head sb_list; struct list_head dpipe_table_list; struct list_head resource_list; struct list_head param_list; struct list_head region_list; struct list_head reporter_list; struct mutex reporters_lock; /* protects reporter_list */ struct devlink_dpipe_headers *dpipe_headers; struct list_head trap_list; struct list_head trap_group_list; struct list_head trap_policer_list; const struct devlink_ops *ops; struct xarray snapshot_ids; struct device *dev; possible_net_t _net; struct mutex lock; /* Serializes access to devlink instance specific objects such as * port, sb, dpipe, resource, params, region, traps and more. */ u8 reload_failed:1, reload_enabled:1, registered:1; char priv[0] __aligned(NETDEV_ALIGN); }; struct devlink_port_phys_attrs { u32 port_number; /* Same value as "split group". * A physical port which is visible to the user * for a given port flavour. */ u32 split_subport_number; /* If the port is split, this is the number of subport. */ }; struct devlink_port_pci_pf_attrs { u16 pf; /* Associated PCI PF for this port. */ }; struct devlink_port_pci_vf_attrs { u16 pf; /* Associated PCI PF for this port. */ u16 vf; /* Associated PCI VF for of the PCI PF for this port. */ }; /** * struct devlink_port_attrs - devlink port object * @flavour: flavour of the port * @split: indicates if this is split port * @splittable: indicates if the port can be split. * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink. * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL */ struct devlink_port_attrs { u8 split:1, splittable:1; u32 lanes; enum devlink_port_flavour flavour; struct netdev_phys_item_id switch_id; union { struct devlink_port_phys_attrs phys; struct devlink_port_pci_pf_attrs pci_pf; struct devlink_port_pci_vf_attrs pci_vf; }; }; struct devlink_port { struct list_head list; struct list_head param_list; struct devlink *devlink; unsigned int index; bool registered; spinlock_t type_lock; /* Protects type and type_dev * pointer consistency. */ enum devlink_port_type type; enum devlink_port_type desired_type; void *type_dev; struct devlink_port_attrs attrs; u8 attrs_set:1, switch_port:1; struct delayed_work type_warn_dw; struct list_head reporter_list; struct mutex reporters_lock; /* Protects reporter_list */ }; struct devlink_sb_pool_info { enum devlink_sb_pool_type pool_type; u32 size; enum devlink_sb_threshold_type threshold_type; u32 cell_size; }; /** * struct devlink_dpipe_field - dpipe field object * @name: field name * @id: index inside the headers field array * @bitwidth: bitwidth * @mapping_type: mapping type */ struct devlink_dpipe_field { const char *name; unsigned int id; unsigned int bitwidth; enum devlink_dpipe_field_mapping_type mapping_type; }; /** * struct devlink_dpipe_header - dpipe header object * @name: header name * @id: index, global/local detrmined by global bit * @fields: fields * @fields_count: number of fields * @global: indicates if header is shared like most protocol header * or driver specific */ struct devlink_dpipe_header { const char *name; unsigned int id; struct devlink_dpipe_field *fields; unsigned int fields_count; bool global; }; /** * struct devlink_dpipe_match - represents match operation * @type: type of match * @header_index: header index (packets can have several headers of same * type like in case of tunnels) * @header: header * @fieled_id: field index */ struct devlink_dpipe_match { enum devlink_dpipe_match_type type; unsigned int header_index; struct devlink_dpipe_header *header; unsigned int field_id; }; /** * struct devlink_dpipe_action - represents action operation * @type: type of action * @header_index: header index (packets can have several headers of same * type like in case of tunnels) * @header: header * @fieled_id: field index */ struct devlink_dpipe_action { enum devlink_dpipe_action_type type; unsigned int header_index; struct devlink_dpipe_header *header; unsigned int field_id; }; /** * struct devlink_dpipe_value - represents value of match/action * @action: action * @match: match * @mapping_value: in case the field has some mapping this value * specified the mapping value * @mapping_valid: specify if mapping value is valid * @value_size: value size * @value: value * @mask: bit mask */ struct devlink_dpipe_value { union { struct devlink_dpipe_action *action; struct devlink_dpipe_match *match; }; unsigned int mapping_value; bool mapping_valid; unsigned int value_size; void *value; void *mask; }; /** * struct devlink_dpipe_entry - table entry object * @index: index of the entry in the table * @match_values: match values * @matche_values_count: count of matches tuples * @action_values: actions values * @action_values_count: count of actions values * @counter: value of counter * @counter_valid: Specify if value is valid from hardware */ struct devlink_dpipe_entry { u64 index; struct devlink_dpipe_value *match_values; unsigned int match_values_count; struct devlink_dpipe_value *action_values; unsigned int action_values_count; u64 counter; bool counter_valid; }; /** * struct devlink_dpipe_dump_ctx - context provided to driver in order * to dump * @info: info * @cmd: devlink command * @skb: skb * @nest: top attribute * @hdr: hdr */ struct devlink_dpipe_dump_ctx { struct genl_info *info; enum devlink_command cmd; struct sk_buff *skb; struct nlattr *nest; void *hdr; }; struct devlink_dpipe_table_ops; /** * struct devlink_dpipe_table - table object * @priv: private * @name: table name * @counters_enabled: indicates if counters are active * @counter_control_extern: indicates if counter control is in dpipe or * external tool * @resource_valid: Indicate that the resource id is valid * @resource_id: relative resource this table is related to * @resource_units: number of resource's unit consumed per table's entry * @table_ops: table operations * @rcu: rcu */ struct devlink_dpipe_table { void *priv; struct list_head list; const char *name; bool counters_enabled; bool counter_control_extern; bool resource_valid; u64 resource_id; u64 resource_units; struct devlink_dpipe_table_ops *table_ops; struct rcu_head rcu; }; /** * struct devlink_dpipe_table_ops - dpipe_table ops * @actions_dump - dumps all tables actions * @matches_dump - dumps all tables matches * @entries_dump - dumps all active entries in the table * @counters_set_update - when changing the counter status hardware sync * maybe needed to allocate/free counter related * resources * @size_get - get size */ struct devlink_dpipe_table_ops { int (*actions_dump)(void *priv, struct sk_buff *skb); int (*matches_dump)(void *priv, struct sk_buff *skb); int (*entries_dump)(void *priv, bool counters_enabled, struct devlink_dpipe_dump_ctx *dump_ctx); int (*counters_set_update)(void *priv, bool enable); u64 (*size_get)(void *priv); }; /** * struct devlink_dpipe_headers - dpipe headers * @headers - header array can be shared (global bit) or driver specific * @headers_count - count of headers */ struct devlink_dpipe_headers { struct devlink_dpipe_header **headers; unsigned int headers_count; }; /** * struct devlink_resource_size_params - resource's size parameters * @size_min: minimum size which can be set * @size_max: maximum size which can be set * @size_granularity: size granularity * @size_unit: resource's basic unit */ struct devlink_resource_size_params { u64 size_min; u64 size_max; u64 size_granularity; enum devlink_resource_unit unit; }; static inline void devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, u64 size_min, u64 size_max, u64 size_granularity, enum devlink_resource_unit unit) { size_params->size_min = size_min; size_params->size_max = size_max; size_params->size_granularity = size_granularity; size_params->unit = unit; } typedef u64 devlink_resource_occ_get_t(void *priv); /** * struct devlink_resource - devlink resource * @name: name of the resource * @id: id, per devlink instance * @size: size of the resource * @size_new: updated size of the resource, reload is needed * @size_valid: valid in case the total size of the resource is valid * including its children * @parent: parent resource * @size_params: size parameters * @list: parent list * @resource_list: list of child resources */ struct devlink_resource { const char *name; u64 id; u64 size; u64 size_new; bool size_valid; struct devlink_resource *parent; struct devlink_resource_size_params size_params; struct list_head list; struct list_head resource_list; devlink_resource_occ_get_t *occ_get; void *occ_get_priv; }; #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 enum devlink_param_type { DEVLINK_PARAM_TYPE_U8, DEVLINK_PARAM_TYPE_U16, DEVLINK_PARAM_TYPE_U32, DEVLINK_PARAM_TYPE_STRING, DEVLINK_PARAM_TYPE_BOOL, }; union devlink_param_value { u8 vu8; u16 vu16; u32 vu32; char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; bool vbool; }; struct devlink_param_gset_ctx { union devlink_param_value val; enum devlink_param_cmode cmode; }; /** * struct devlink_param - devlink configuration parameter data * @name: name of the parameter * @generic: indicates if the parameter is generic or driver specific * @type: parameter type * @supported_cmodes: bitmap of supported configuration modes * @get: get parameter value, used for runtime and permanent * configuration modes * @set: set parameter value, used for runtime and permanent * configuration modes * @validate: validate input value is applicable (within value range, etc.) * * This struct should be used by the driver to fill the data for * a parameter it registers. */ struct devlink_param { u32 id; const char *name; bool generic; enum devlink_param_type type; unsigned long supported_cmodes; int (*get)(struct devlink *devlink, u32 id, struct devlink_param_gset_ctx *ctx); int (*set)(struct devlink *devlink, u32 id, struct devlink_param_gset_ctx *ctx); int (*validate)(struct devlink *devlink, u32 id, union devlink_param_value val, struct netlink_ext_ack *extack); }; struct devlink_param_item { struct list_head list; const struct devlink_param *param; union devlink_param_value driverinit_value; bool driverinit_value_valid; bool published; }; enum devlink_param_generic_id { DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, DEVLINK_PARAM_GENERIC_ID_MAX_MACS, DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, /* add new param generic ids above here*/ __DEVLINK_PARAM_GENERIC_ID_MAX, DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, }; #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ "reset_dev_on_drv_probe" #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ { \ .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ .generic = true, \ .supported_cmodes = _cmodes, \ .get = _get, \ .set = _set, \ .validate = _validate, \ } #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ { \ .id = _id, \ .name = _name, \ .type = _type, \ .supported_cmodes = _cmodes, \ .get = _get, \ .set = _set, \ .validate = _validate, \ } /* Part number, identifier of board design */ #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" /* Revision of board design */ #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" /* Maker of the board */ #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" /* Part number, identifier of asic design */ #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" /* Revision of asic design */ #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" /* Overall FW version */ #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" /* Control processor FW version */ #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" /* FW interface specification version */ #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"