1/* SPDX-License-Identifier: GPL-2.0 */
  2/* Copyright(c) 2013 - 2018 Intel Corporation. */
  3
  4#ifndef _I40E_VIRTCHNL_PF_H_
  5#define _I40E_VIRTCHNL_PF_H_
  6
  7#include <linux/avf/virtchnl.h>
  8#include <linux/netdevice.h>
  9#include "i40e_type.h"
 10
 11#define I40E_MAX_VLANID 4095
 12
 13#define I40E_VIRTCHNL_SUPPORTED_QTYPES 2
 14
 15#define I40E_VLAN_PRIORITY_SHIFT	13
 16#define I40E_VLAN_MASK			0xFFF
 17#define I40E_PRIORITY_MASK		0xE000
 18
 19#define I40E_MAX_VF_PROMISC_FLAGS	3
 20
 21#define I40E_VF_STATE_WAIT_COUNT	20
 22#define I40E_VFR_WAIT_COUNT		100
 23
 24/* Various queue ctrls */
 25enum i40e_queue_ctrl {
 26	I40E_QUEUE_CTRL_UNKNOWN = 0,
 27	I40E_QUEUE_CTRL_ENABLE,
 28	I40E_QUEUE_CTRL_ENABLECHECK,
 29	I40E_QUEUE_CTRL_DISABLE,
 30	I40E_QUEUE_CTRL_DISABLECHECK,
 31	I40E_QUEUE_CTRL_FASTDISABLE,
 32	I40E_QUEUE_CTRL_FASTDISABLECHECK,
 33};
 34
 35/* VF states */
 36enum i40e_vf_states {
 37	I40E_VF_STATE_INIT = 0,
 38	I40E_VF_STATE_ACTIVE,
 39	I40E_VF_STATE_RDMAENA,
 40	I40E_VF_STATE_DISABLED,
 41	I40E_VF_STATE_MC_PROMISC,
 42	I40E_VF_STATE_UC_PROMISC,
 43	I40E_VF_STATE_PRE_ENABLE,
 44	I40E_VF_STATE_RESETTING
 45};
 46
 47/* VF capabilities */
 48enum i40e_vf_capabilities {
 49	I40E_VIRTCHNL_VF_CAP_PRIVILEGE = 0,
 50	I40E_VIRTCHNL_VF_CAP_L2,
 51	I40E_VIRTCHNL_VF_CAP_RDMA,
 52};
 53
 54/* In ADq, max 4 VSI's can be allocated per VF including primary VF VSI.
 55 * These variables are used to store indices, id's and number of queues
 56 * for each VSI including that of primary VF VSI. Each Traffic class is
 57 * termed as channel and each channel can in-turn have 4 queues which
 58 * means max 16 queues overall per VF.
 59 */
 60struct i40evf_channel {
 61	u16 vsi_idx; /* index in PF struct for all channel VSIs */
 62	u16 vsi_id; /* VSI ID used by firmware */
 63	u16 num_qps; /* number of queue pairs requested by user */
 64	u64 max_tx_rate; /* bandwidth rate allocation for VSIs */
 65};
 66
 67/* VF information structure */
 68struct i40e_vf {
 69	struct i40e_pf *pf;
 70
 71	/* VF id in the PF space */
 72	s16 vf_id;
 73	/* all VF vsis connect to the same parent */
 74	enum i40e_switch_element_types parent_type;
 75	struct virtchnl_version_info vf_ver;
 76	u32 driver_caps; /* reported by VF driver */
 77
 78	/* VF Port Extender (PE) stag if used */
 79	u16 stag;
 80
 81	struct virtchnl_ether_addr default_lan_addr;
 82	u16 port_vlan_id;
 83	bool pf_set_mac;	/* The VMM admin set the VF MAC address */
 84	bool trusted;
 85
 86	/* VSI indices - actual VSI pointers are maintained in the PF structure
 87	 * When assigned, these will be non-zero, because VSI 0 is always
 88	 * the main LAN VSI for the PF.
 89	 */
 90	u16 lan_vsi_idx;	/* index into PF struct */
 91	u16 lan_vsi_id;		/* ID as used by firmware */
 92
 93	u8 num_queue_pairs;	/* num of qps assigned to VF vsis */
 94	u8 num_req_queues;	/* num of requested qps */
 95	u64 num_mdd_events;	/* num of mdd events detected */
 96
 97	unsigned long vf_caps;	/* vf's adv. capabilities */
 98	unsigned long vf_states;	/* vf's runtime states */
 99	unsigned int tx_rate;	/* Tx bandwidth limit in Mbps */
100	bool link_forced;
101	bool link_up;		/* only valid if VF link is forced */
102	bool spoofchk;
103	bool is_disabled_from_host; /* PF ctrl of VF enable/disable */
104	u16 num_vlan;
105
106	/* ADq related variables */
107	bool adq_enabled; /* flag to enable adq */
108	u8 num_tc;
109	struct i40evf_channel ch[I40E_MAX_VF_VSI];
110	struct hlist_head cloud_filter_list;
111	u16 num_cloud_filters;
112
113	/* RDMA Client */
114	struct virtchnl_rdma_qvlist_info *qvlist_info;
115};
116
117void i40e_free_vfs(struct i40e_pf *pf);
118int i40e_pci_sriov_configure(struct pci_dev *dev, int num_vfs);
119int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs);
120int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
121			   u32 v_retval, u8 *msg, u16 msglen);
122int i40e_vc_process_vflr_event(struct i40e_pf *pf);
123bool i40e_reset_vf(struct i40e_vf *vf, bool flr);
124bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr);
125void i40e_vc_notify_vf_reset(struct i40e_vf *vf);
126
127/* VF configuration related iplink handlers */
128int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
129int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id,
130			      u16 vlan_id, u8 qos, __be16 vlan_proto);
131int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
132		       int max_tx_rate);
133int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting);
134int i40e_ndo_get_vf_config(struct net_device *netdev,
135			   int vf_id, struct ifla_vf_info *ivi);
136int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link);
137int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable);
138
139void i40e_vc_notify_link_state(struct i40e_pf *pf);
140void i40e_vc_notify_reset(struct i40e_pf *pf);
141#ifdef CONFIG_PCI_IOV
142void i40e_restore_all_vfs_msi_state(struct pci_dev *pdev);
143#endif /* CONFIG_PCI_IOV */
144int i40e_get_vf_stats(struct net_device *netdev, int vf_id,
145		      struct ifla_vf_stats *vf_stats);
146
147#endif /* _I40E_VIRTCHNL_PF_H_ */