1/* SPDX-License-Identifier: GPL-2.0 */
  2/* Copyright (c) 2018, Intel Corporation. */
  3
  4#ifndef _ICE_VIRTCHNL_PF_H_
  5#define _ICE_VIRTCHNL_PF_H_
  6#include "ice.h"
  7
  8#define ICE_MAX_VLANID			4095
  9#define ICE_VLAN_PRIORITY_S		12
 10#define ICE_VLAN_M			0xFFF
 11#define ICE_PRIORITY_M			0x7000
 12
 13/* Restrict number of MAC Addr and VLAN that non-trusted VF can programmed */
 14#define ICE_MAX_VLAN_PER_VF		8
 15#define ICE_MAX_MACADDR_PER_VF		12
 16
 17/* Malicious Driver Detection */
 18#define ICE_DFLT_NUM_INVAL_MSGS_ALLOWED		10
 19#define ICE_MDD_EVENTS_THRESHOLD		30
 20
 21/* Static VF transaction/status register def */
 22#define VF_DEVICE_STATUS		0xAA
 23#define VF_TRANS_PENDING_M		0x20
 24
 25/* wait defines for polling PF_PCI_CIAD register status */
 26#define ICE_PCI_CIAD_WAIT_COUNT		100
 27#define ICE_PCI_CIAD_WAIT_DELAY_US	1
 28
 29/* VF resources default values and limitation */
 30#define ICE_MAX_VF_COUNT		256
 31#define ICE_MAX_QS_PER_VF		256
 32#define ICE_MIN_QS_PER_VF		1
 33#define ICE_DFLT_QS_PER_VF		4
 34#define ICE_NONQ_VECS_VF		1
 35#define ICE_MAX_SCATTER_QS_PER_VF	16
 36#define ICE_MAX_BASE_QS_PER_VF		16
 37#define ICE_MAX_INTR_PER_VF		65
 38#define ICE_MAX_POLICY_INTR_PER_VF	33
 39#define ICE_MIN_INTR_PER_VF		(ICE_MIN_QS_PER_VF + 1)
 40#define ICE_DFLT_INTR_PER_VF		(ICE_DFLT_QS_PER_VF + 1)
 41
 42/* Specific VF states */
 43enum ice_vf_states {
 44	ICE_VF_STATE_INIT = 0,		/* PF is initializing VF */
 45	ICE_VF_STATE_ACTIVE,		/* VF resources are allocated for use */
 46	ICE_VF_STATE_QS_ENA,		/* VF queue(s) enabled */
 47	ICE_VF_STATE_DIS,
 48	ICE_VF_STATE_MC_PROMISC,
 49	ICE_VF_STATE_UC_PROMISC,
 50	ICE_VF_STATES_NBITS
 51};
 52
 53/* VF capabilities */
 54enum ice_virtchnl_cap {
 55	ICE_VIRTCHNL_VF_CAP_L2 = 0,
 56	ICE_VIRTCHNL_VF_CAP_PRIVILEGE,
 57};
 58
 59/* VF information structure */
 60struct ice_vf {
 61	struct ice_pf *pf;
 62
 63	s16 vf_id;			/* VF ID in the PF space */
 64	u16 lan_vsi_idx;		/* index into PF struct */
 65	/* first vector index of this VF in the PF space */
 66	int first_vector_idx;
 67	struct ice_sw *vf_sw_id;	/* switch ID the VF VSIs connect to */
 68	struct virtchnl_version_info vf_ver;
 69	u32 driver_caps;		/* reported by VF driver */
 70	struct virtchnl_ether_addr dflt_lan_addr;
 71	DECLARE_BITMAP(txq_ena, ICE_MAX_BASE_QS_PER_VF);
 72	DECLARE_BITMAP(rxq_ena, ICE_MAX_BASE_QS_PER_VF);
 73	u16 port_vlan_id;
 74	u8 pf_set_mac:1;		/* VF MAC address set by VMM admin */
 75	u8 trusted:1;
 76	u8 spoofchk:1;
 77	u8 link_forced:1;
 78	u8 link_up:1;			/* only valid if VF link is forced */
 79	/* VSI indices - actual VSI pointers are maintained in the PF structure
 80	 * When assigned, these will be non-zero, because VSI 0 is always
 81	 * the main LAN VSI for the PF.
 82	 */
 83	u16 lan_vsi_num;		/* ID as used by firmware */
 84	unsigned int tx_rate;		/* Tx bandwidth limit in Mbps */
 85	DECLARE_BITMAP(vf_states, ICE_VF_STATES_NBITS);	/* VF runtime states */
 86
 87	u64 num_mdd_events;		/* number of MDD events detected */
 88	u64 num_inval_msgs;		/* number of continuous invalid msgs */
 89	u64 num_valid_msgs;		/* number of valid msgs detected */
 90	unsigned long vf_caps;		/* VF's adv. capabilities */
 91	u8 num_req_qs;			/* num of queue pairs requested by VF */
 92	u16 num_mac;
 93	u16 num_vlan;
 94	u16 num_vf_qs;			/* num of queue configured per VF */
 95	u16 num_qs_ena;			/* total num of Tx/Rx queue enabled */
 96};
 97
 98#ifdef CONFIG_PCI_IOV
 99void ice_process_vflr_event(struct ice_pf *pf);
100int ice_sriov_configure(struct pci_dev *pdev, int num_vfs);
101int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
102int
103ice_get_vf_cfg(struct net_device *netdev, int vf_id, struct ifla_vf_info *ivi);
104
105void ice_free_vfs(struct ice_pf *pf);
106void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event);
107void ice_vc_notify_link_state(struct ice_pf *pf);
108void ice_vc_notify_reset(struct ice_pf *pf);
109bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr);
110
111int
112ice_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos,
113		     __be16 vlan_proto);
114
115int ice_set_vf_trust(struct net_device *netdev, int vf_id, bool trusted);
116
117int ice_set_vf_link_state(struct net_device *netdev, int vf_id, int link_state);
118
119int ice_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool ena);
120
121int ice_calc_vf_reg_idx(struct ice_vf *vf, struct ice_q_vector *q_vector);
122
123void ice_set_vf_state_qs_dis(struct ice_vf *vf);
124#else /* CONFIG_PCI_IOV */
125#define ice_process_vflr_event(pf) do {} while (0)
126#define ice_free_vfs(pf) do {} while (0)
127#define ice_vc_process_vf_msg(pf, event) do {} while (0)
128#define ice_vc_notify_link_state(pf) do {} while (0)
129#define ice_vc_notify_reset(pf) do {} while (0)
130#define ice_set_vf_state_qs_dis(vf) do {} while (0)
131
132static inline bool
133ice_reset_all_vfs(struct ice_pf __always_unused *pf,
134		  bool __always_unused is_vflr)
135{
136	return true;
137}
138
139static inline int
140ice_sriov_configure(struct pci_dev __always_unused *pdev,
141		    int __always_unused num_vfs)
142{
143	return -EOPNOTSUPP;
144}
145
146static inline int
147ice_set_vf_mac(struct net_device __always_unused *netdev,
148	       int __always_unused vf_id, u8 __always_unused *mac)
149{
150	return -EOPNOTSUPP;
151}
152
153static inline int
154ice_get_vf_cfg(struct net_device __always_unused *netdev,
155	       int __always_unused vf_id,
156	       struct ifla_vf_info __always_unused *ivi)
157{
158	return -EOPNOTSUPP;
159}
160
161static inline int
162ice_set_vf_trust(struct net_device __always_unused *netdev,
163		 int __always_unused vf_id, bool __always_unused trusted)
164{
165	return -EOPNOTSUPP;
166}
167
168static inline int
169ice_set_vf_port_vlan(struct net_device __always_unused *netdev,
170		     int __always_unused vf_id, u16 __always_unused vid,
171		     u8 __always_unused qos, __be16 __always_unused v_proto)
172{
173	return -EOPNOTSUPP;
174}
175
176static inline int
177ice_set_vf_spoofchk(struct net_device __always_unused *netdev,
178		    int __always_unused vf_id, bool __always_unused ena)
179{
180	return -EOPNOTSUPP;
181}
182
183static inline int
184ice_set_vf_link_state(struct net_device __always_unused *netdev,
185		      int __always_unused vf_id, int __always_unused link_state)
186{
187	return -EOPNOTSUPP;
188}
189
190static inline int
191ice_calc_vf_reg_idx(struct ice_vf __always_unused *vf,
192		    struct ice_q_vector __always_unused *q_vector)
193{
194	return 0;
195}
196#endif /* CONFIG_PCI_IOV */
197#endif /* _ICE_VIRTCHNL_PF_H_ */