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_ */
148