diff options
Diffstat (limited to 'include/linux/net')
| -rw-r--r-- | include/linux/net/intel/i40e_client.h | 191 | ||||
| -rw-r--r-- | include/linux/net/intel/iidc.h | 107 |
2 files changed, 298 insertions, 0 deletions
diff --git a/include/linux/net/intel/i40e_client.h b/include/linux/net/intel/i40e_client.h new file mode 100644 index 000000000..ed42bd5f6 --- /dev/null +++ b/include/linux/net/intel/i40e_client.h @@ -0,0 +1,191 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright(c) 2013 - 2018 Intel Corporation. */ + +#ifndef _I40E_CLIENT_H_ +#define _I40E_CLIENT_H_ + +#include <linux/auxiliary_bus.h> + +#define I40E_CLIENT_STR_LENGTH 10 + +/* Client interface version should be updated anytime there is a change in the + * existing APIs or data structures. + */ +#define I40E_CLIENT_VERSION_MAJOR 0 +#define I40E_CLIENT_VERSION_MINOR 01 +#define I40E_CLIENT_VERSION_BUILD 00 +#define I40E_CLIENT_VERSION_STR \ + __stringify(I40E_CLIENT_VERSION_MAJOR) "." \ + __stringify(I40E_CLIENT_VERSION_MINOR) "." \ + __stringify(I40E_CLIENT_VERSION_BUILD) + +struct i40e_client_version { + u8 major; + u8 minor; + u8 build; + u8 rsvd; +}; + +enum i40e_client_instance_state { + __I40E_CLIENT_INSTANCE_NONE, + __I40E_CLIENT_INSTANCE_OPENED, +}; + +struct i40e_ops; +struct i40e_client; + +#define I40E_QUEUE_INVALID_IDX 0xFFFF + +struct i40e_qv_info { + u32 v_idx; /* msix_vector */ + u16 ceq_idx; + u16 aeq_idx; + u8 itr_idx; +}; + +struct i40e_qvlist_info { + u32 num_vectors; + struct i40e_qv_info qv_info[]; +}; + + +/* set of LAN parameters useful for clients managed by LAN */ + +/* Struct to hold per priority info */ +struct i40e_prio_qos_params { + u16 qs_handle; /* qs handle for prio */ + u8 tc; /* TC mapped to prio */ + u8 reserved; +}; + +#define I40E_CLIENT_MAX_USER_PRIORITY 8 +/* Struct to hold Client QoS */ +struct i40e_qos_params { + struct i40e_prio_qos_params prio_qos[I40E_CLIENT_MAX_USER_PRIORITY]; +}; + +struct i40e_params { + struct i40e_qos_params qos; + u16 mtu; +}; + +/* Structure to hold Lan device info for a client device */ +struct i40e_info { + struct i40e_client_version version; + u8 lanmac[6]; + struct net_device *netdev; + struct pci_dev *pcidev; + struct auxiliary_device *aux_dev; + u8 __iomem *hw_addr; + u8 fid; /* function id, PF id or VF id */ +#define I40E_CLIENT_FTYPE_PF 0 + u8 ftype; /* function type, PF or VF */ + void *pf; + + /* All L2 params that could change during the life span of the PF + * and needs to be communicated to the client when they change + */ + struct i40e_qvlist_info *qvlist_info; + struct i40e_params params; + struct i40e_ops *ops; + + u16 msix_count; /* number of msix vectors*/ + /* Array down below will be dynamically allocated based on msix_count */ + struct msix_entry *msix_entries; + u16 itr_index; /* Which ITR index the PE driver is suppose to use */ + u16 fw_maj_ver; /* firmware major version */ + u16 fw_min_ver; /* firmware minor version */ + u32 fw_build; /* firmware build number */ +}; + +struct i40e_auxiliary_device { + struct auxiliary_device aux_dev; + struct i40e_info *ldev; +}; + +#define I40E_CLIENT_RESET_LEVEL_PF 1 +#define I40E_CLIENT_RESET_LEVEL_CORE 2 +#define I40E_CLIENT_VSI_FLAG_TCP_ENABLE BIT(1) + +struct i40e_ops { + /* setup_q_vector_list enables queues with a particular vector */ + int (*setup_qvlist)(struct i40e_info *ldev, struct i40e_client *client, + struct i40e_qvlist_info *qv_info); + + int (*virtchnl_send)(struct i40e_info *ldev, struct i40e_client *client, + u32 vf_id, u8 *msg, u16 len); + + /* If the PE Engine is unresponsive, RDMA driver can request a reset. + * The level helps determine the level of reset being requested. + */ + void (*request_reset)(struct i40e_info *ldev, + struct i40e_client *client, u32 level); + + /* API for the RDMA driver to set certain VSI flags that control + * PE Engine. + */ + int (*update_vsi_ctxt)(struct i40e_info *ldev, + struct i40e_client *client, + bool is_vf, u32 vf_id, + u32 flag, u32 valid_flag); +}; + +struct i40e_client_ops { + /* Should be called from register_client() or whenever PF is ready + * to create a specific client instance. + */ + int (*open)(struct i40e_info *ldev, struct i40e_client *client); + + /* Should be called when netdev is unavailable or when unregister + * call comes in. If the close is happenening due to a reset being + * triggered set the reset bit to true. + */ + void (*close)(struct i40e_info *ldev, struct i40e_client *client, + bool reset); + + /* called when some l2 managed parameters changes - mtu */ + void (*l2_param_change)(struct i40e_info *ldev, + struct i40e_client *client, + struct i40e_params *params); + + int (*virtchnl_receive)(struct i40e_info *ldev, + struct i40e_client *client, u32 vf_id, + u8 *msg, u16 len); + + /* called when a VF is reset by the PF */ + void (*vf_reset)(struct i40e_info *ldev, + struct i40e_client *client, u32 vf_id); + + /* called when the number of VFs changes */ + void (*vf_enable)(struct i40e_info *ldev, + struct i40e_client *client, u32 num_vfs); + + /* returns true if VF is capable of specified offload */ + int (*vf_capable)(struct i40e_info *ldev, + struct i40e_client *client, u32 vf_id); +}; + +/* Client device */ +struct i40e_client_instance { + struct list_head list; + struct i40e_info lan_info; + struct i40e_client *client; + unsigned long state; +}; + +struct i40e_client { + struct list_head list; /* list of registered clients */ + char name[I40E_CLIENT_STR_LENGTH]; + struct i40e_client_version version; + unsigned long state; /* client state */ + atomic_t ref_cnt; /* Count of all the client devices of this kind */ + u32 flags; + u8 type; +#define I40E_CLIENT_IWARP 0 + const struct i40e_client_ops *ops; /* client ops provided by the client */ +}; + +void i40e_client_device_register(struct i40e_info *ldev, struct i40e_client *client); +void i40e_client_device_unregister(struct i40e_info *ldev); + +#endif /* _I40E_CLIENT_H_ */ diff --git a/include/linux/net/intel/iidc.h b/include/linux/net/intel/iidc.h new file mode 100644 index 000000000..1c1332e4d --- /dev/null +++ b/include/linux/net/intel/iidc.h @@ -0,0 +1,107 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (C) 2021, Intel Corporation. */ + +#ifndef _IIDC_H_ +#define _IIDC_H_ + +#include <linux/auxiliary_bus.h> +#include <linux/dcbnl.h> +#include <linux/device.h> +#include <linux/if_ether.h> +#include <linux/kernel.h> +#include <linux/netdevice.h> + +enum iidc_event_type { + IIDC_EVENT_BEFORE_MTU_CHANGE, + IIDC_EVENT_AFTER_MTU_CHANGE, + IIDC_EVENT_BEFORE_TC_CHANGE, + IIDC_EVENT_AFTER_TC_CHANGE, + IIDC_EVENT_CRIT_ERR, + IIDC_EVENT_NBITS /* must be last */ +}; + +enum iidc_reset_type { + IIDC_PFR, + IIDC_CORER, + IIDC_GLOBR, +}; + +enum iidc_rdma_protocol { + IIDC_RDMA_PROTOCOL_IWARP = BIT(0), + IIDC_RDMA_PROTOCOL_ROCEV2 = BIT(1), +}; + +#define IIDC_MAX_USER_PRIORITY 8 +#define IIDC_MAX_DSCP_MAPPING 64 +#define IIDC_DSCP_PFC_MODE 0x1 + +/* Struct to hold per RDMA Qset info */ +struct iidc_rdma_qset_params { + /* Qset TEID returned to the RDMA driver in + * ice_add_rdma_qset and used by RDMA driver + * for calls to ice_del_rdma_qset + */ + u32 teid; /* Qset TEID */ + u16 qs_handle; /* RDMA driver provides this */ + u16 vport_id; /* VSI index */ + u8 tc; /* TC branch the Qset should belong to */ +}; + +struct iidc_qos_info { + u64 tc_ctx; + u8 rel_bw; + u8 prio_type; + u8 egress_virt_up; + u8 ingress_virt_up; +}; + +/* Struct to pass QoS info */ +struct iidc_qos_params { + struct iidc_qos_info tc_info[IEEE_8021QAZ_MAX_TCS]; + u8 up2tc[IIDC_MAX_USER_PRIORITY]; + u8 vport_relative_bw; + u8 vport_priority_type; + u8 num_tc; + u8 pfc_mode; + u8 dscp_map[IIDC_MAX_DSCP_MAPPING]; +}; + +struct iidc_event { + DECLARE_BITMAP(type, IIDC_EVENT_NBITS); + u32 reg; +}; + +struct ice_pf; + +int ice_add_rdma_qset(struct ice_pf *pf, struct iidc_rdma_qset_params *qset); +int ice_del_rdma_qset(struct ice_pf *pf, struct iidc_rdma_qset_params *qset); +int ice_rdma_request_reset(struct ice_pf *pf, enum iidc_reset_type reset_type); +int ice_rdma_update_vsi_filter(struct ice_pf *pf, u16 vsi_id, bool enable); +void ice_get_qos_params(struct ice_pf *pf, struct iidc_qos_params *qos); + +/* Structure representing auxiliary driver tailored information about the core + * PCI dev, each auxiliary driver using the IIDC interface will have an + * instance of this struct dedicated to it. + */ + +struct iidc_auxiliary_dev { + struct auxiliary_device adev; + struct ice_pf *pf; +}; + +/* structure representing the auxiliary driver. This struct is to be + * allocated and populated by the auxiliary driver's owner. The core PCI + * driver will access these ops by performing a container_of on the + * auxiliary_device->dev.driver. + */ +struct iidc_auxiliary_drv { + struct auxiliary_driver adrv; + /* This event_handler is meant to be a blocking call. For instance, + * when a BEFORE_MTU_CHANGE event comes in, the event_handler will not + * return until the auxiliary driver is ready for the MTU change to + * happen. + */ + void (*event_handler)(struct ice_pf *pf, struct iidc_event *event); +}; + +#endif /* _IIDC_H_*/ |