/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 2013 - 2018 Intel Corporation. */

#ifndef _I40E_VIRTCHNL_PF_H_
#define _I40E_VIRTCHNL_PF_H_

#include <linux/avf/virtchnl.h>
#include <linux/netdevice.h>
#include "i40e_type.h"

#define I40E_MAX_VLANID 4095

#define I40E_VIRTCHNL_SUPPORTED_QTYPES 2

#define I40E_VLAN_PRIORITY_SHIFT        13
#define I40E_VLAN_MASK                  0xFFF
#define I40E_PRIORITY_MASK              0xE000

#define I40E_MAX_VF_PROMISC_FLAGS       3

#define I40E_VF_STATE_WAIT_COUNT        20
#define I40E_VFR_WAIT_COUNT             100

/* Various queue ctrls */
enum i40e_queue_ctrl {
        I40E_QUEUE_CTRL_UNKNOWN = 0,
        I40E_QUEUE_CTRL_ENABLE,
        I40E_QUEUE_CTRL_ENABLECHECK,
        I40E_QUEUE_CTRL_DISABLE,
        I40E_QUEUE_CTRL_DISABLECHECK,
        I40E_QUEUE_CTRL_FASTDISABLE,
        I40E_QUEUE_CTRL_FASTDISABLECHECK,
};

/* VF states */
enum i40e_vf_states {
        I40E_VF_STATE_INIT = 0,
        I40E_VF_STATE_ACTIVE,
        I40E_VF_STATE_RDMAENA,
        I40E_VF_STATE_DISABLED,
        I40E_VF_STATE_MC_PROMISC,
        I40E_VF_STATE_UC_PROMISC,
        I40E_VF_STATE_PRE_ENABLE,
        I40E_VF_STATE_RESETTING,
        I40E_VF_STATE_RESOURCES_LOADED,
};

/* VF capabilities */
enum i40e_vf_capabilities {
        I40E_VIRTCHNL_VF_CAP_PRIVILEGE = 0,
        I40E_VIRTCHNL_VF_CAP_L2,
        I40E_VIRTCHNL_VF_CAP_RDMA,
};

/* In ADq, max 4 VSI's can be allocated per VF including primary VF VSI.
 * These variables are used to store indices, id's and number of queues
 * for each VSI including that of primary VF VSI. Each Traffic class is
 * termed as channel and each channel can in-turn have 4 queues which
 * means max 16 queues overall per VF.
 */
struct i40evf_channel {
        u16 vsi_idx; /* index in PF struct for all channel VSIs */
        u16 vsi_id; /* VSI ID used by firmware */
        u16 num_qps; /* number of queue pairs requested by user */
        u64 max_tx_rate; /* bandwidth rate allocation for VSIs */
};

struct i40e_mdd_vf_events {
        u64 count;      /* total count of Rx|Tx events */
        /* count number of the last printed event */
        u64 last_printed;
};

/* VF information structure */
struct i40e_vf {
        struct i40e_pf *pf;

        /* VF id in the PF space */
        s16 vf_id;
        /* all VF vsis connect to the same parent */
        enum i40e_switch_element_types parent_type;
        struct virtchnl_version_info vf_ver;
        u32 driver_caps; /* reported by VF driver */

        /* VF Port Extender (PE) stag if used */
        u16 stag;

        struct virtchnl_ether_addr default_lan_addr;
        u16 port_vlan_id;
        bool pf_set_mac;        /* The VMM admin set the VF MAC address */
        bool trusted;

        /* VSI indices - actual VSI pointers are maintained in the PF structure
         * When assigned, these will be non-zero, because VSI 0 is always
         * the main LAN VSI for the PF.
         */
        u16 lan_vsi_idx;        /* index into PF struct */
        u16 lan_vsi_id;         /* ID as used by firmware */

        u8 num_queue_pairs;     /* num of qps assigned to VF vsis */
        u8 num_req_queues;      /* num of requested qps */
        /* num of mdd tx and rx events detected */
        struct i40e_mdd_vf_events mdd_rx_events;
        struct i40e_mdd_vf_events mdd_tx_events;

        unsigned long vf_caps;  /* vf's adv. capabilities */
        unsigned long vf_states;        /* vf's runtime states */
        unsigned int tx_rate;   /* Tx bandwidth limit in Mbps */
        bool link_forced;
        bool link_up;           /* only valid if VF link is forced */
        bool spoofchk;
        bool is_disabled_from_host; /* PF ctrl of VF enable/disable */
        u16 num_vlan;

        /* ADq related variables */
        bool adq_enabled; /* flag to enable adq */
        u8 num_tc;
        struct i40evf_channel ch[I40E_MAX_VF_VSI];
        struct hlist_head cloud_filter_list;
        u16 num_cloud_filters;

        /* RDMA Client */
        struct virtchnl_rdma_qvlist_info *qvlist_info;
};

void i40e_free_vfs(struct i40e_pf *pf);
int i40e_pci_sriov_configure(struct pci_dev *dev, int num_vfs);
int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs);
int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
                           u32 v_retval, u8 *msg, u16 msglen);
int i40e_vc_process_vflr_event(struct i40e_pf *pf);
void i40e_vc_reset_vf(struct i40e_vf *vf, bool notify_vf);
bool i40e_reset_vf(struct i40e_vf *vf, bool flr);
bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr);
void i40e_vc_notify_vf_reset(struct i40e_vf *vf);

/* VF configuration related iplink handlers */
int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id,
                              u16 vlan_id, u8 qos, __be16 vlan_proto);
int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
                       int max_tx_rate);
int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting);
int i40e_ndo_get_vf_config(struct net_device *netdev,
                           int vf_id, struct ifla_vf_info *ivi);
int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link);
int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable);

void i40e_vc_notify_link_state(struct i40e_pf *pf);
void i40e_vc_notify_reset(struct i40e_pf *pf);
#ifdef CONFIG_PCI_IOV
void i40e_restore_all_vfs_msi_state(struct pci_dev *pdev);
#endif /* CONFIG_PCI_IOV */
int i40e_get_vf_stats(struct net_device *netdev, int vf_id,
                      struct ifla_vf_stats *vf_stats);

#endif /* _I40E_VIRTCHNL_PF_H_ */