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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192/* 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[] __counted_by(num_vectors);};
/* 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_ */