linux/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h
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   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * QLogic qlcnic NIC Driver
   4 * Copyright (c) 2009-2013 QLogic Corporation
   5 */
   6
   7#ifndef _QLCNIC_83XX_SRIOV_H_
   8#define _QLCNIC_83XX_SRIOV_H_
   9
  10#include <linux/types.h>
  11#include <linux/pci.h>
  12
  13#include "qlcnic.h"
  14
  15extern const u32 qlcnic_83xx_reg_tbl[];
  16extern const u32 qlcnic_83xx_ext_reg_tbl[];
  17
  18struct qlcnic_bc_payload {
  19        u64 payload[126];
  20};
  21
  22struct qlcnic_bc_hdr {
  23#if defined(__LITTLE_ENDIAN)
  24        u8      version;
  25        u8      msg_type:4;
  26        u8      rsvd1:3;
  27        u8      op_type:1;
  28        u8      num_cmds;
  29        u8      num_frags;
  30        u8      frag_num;
  31        u8      cmd_op;
  32        u16     seq_id;
  33        u64     rsvd3;
  34#elif defined(__BIG_ENDIAN)
  35        u8      num_frags;
  36        u8      num_cmds;
  37        u8      op_type:1;
  38        u8      rsvd1:3;
  39        u8      msg_type:4;
  40        u8      version;
  41        u16     seq_id;
  42        u8      cmd_op;
  43        u8      frag_num;
  44        u64     rsvd3;
  45#endif
  46};
  47
  48enum qlcnic_bc_commands {
  49        QLCNIC_BC_CMD_CHANNEL_INIT = 0x0,
  50        QLCNIC_BC_CMD_CHANNEL_TERM = 0x1,
  51        QLCNIC_BC_CMD_GET_ACL = 0x2,
  52        QLCNIC_BC_CMD_CFG_GUEST_VLAN = 0x3,
  53};
  54
  55#define QLCNIC_83XX_SRIOV_VF_MAX_MAC 2
  56#define QLC_BC_CMD 1
  57
  58struct qlcnic_trans_list {
  59        /* Lock for manipulating list */
  60        spinlock_t              lock;
  61        struct list_head        wait_list;
  62        int                     count;
  63};
  64
  65enum qlcnic_trans_state {
  66        QLC_INIT = 0,
  67        QLC_WAIT_FOR_CHANNEL_FREE,
  68        QLC_WAIT_FOR_RESP,
  69        QLC_ABORT,
  70        QLC_END,
  71};
  72
  73struct qlcnic_bc_trans {
  74        u8                              func_id;
  75        u8                              active;
  76        u8                              curr_rsp_frag;
  77        u8                              curr_req_frag;
  78        u16                             cmd_id;
  79        u16                             req_pay_size;
  80        u16                             rsp_pay_size;
  81        u32                             trans_id;
  82        enum qlcnic_trans_state         trans_state;
  83        struct list_head                list;
  84        struct qlcnic_bc_hdr            *req_hdr;
  85        struct qlcnic_bc_hdr            *rsp_hdr;
  86        struct qlcnic_bc_payload        *req_pay;
  87        struct qlcnic_bc_payload        *rsp_pay;
  88        struct completion               resp_cmpl;
  89        struct qlcnic_vf_info           *vf;
  90};
  91
  92enum qlcnic_vf_state {
  93        QLC_BC_VF_SEND = 0,
  94        QLC_BC_VF_RECV,
  95        QLC_BC_VF_CHANNEL,
  96        QLC_BC_VF_STATE,
  97        QLC_BC_VF_FLR,
  98        QLC_BC_VF_SOFT_FLR,
  99};
 100
 101enum qlcnic_vlan_mode {
 102        QLC_NO_VLAN_MODE = 0,
 103        QLC_PVID_MODE,
 104        QLC_GUEST_VLAN_MODE,
 105};
 106
 107struct qlcnic_resources {
 108        u16 num_tx_mac_filters;
 109        u16 num_rx_ucast_mac_filters;
 110        u16 num_rx_mcast_mac_filters;
 111
 112        u16 num_txvlan_keys;
 113
 114        u16 num_rx_queues;
 115        u16 num_tx_queues;
 116
 117        u16 num_rx_buf_rings;
 118        u16 num_rx_status_rings;
 119
 120        u16 num_destip;
 121        u32 num_lro_flows_supported;
 122        u16 max_local_ipv6_addrs;
 123        u16 max_remote_ipv6_addrs;
 124};
 125
 126struct qlcnic_vport {
 127        u16                     handle;
 128        u16                     max_tx_bw;
 129        u16                     min_tx_bw;
 130        u16                     pvid;
 131        u8                      vlan_mode;
 132        u8                      qos;
 133        bool                    spoofchk;
 134        u8                      mac[6];
 135};
 136
 137struct qlcnic_vf_info {
 138        u8                              pci_func;
 139        u16                             rx_ctx_id;
 140        u16                             tx_ctx_id;
 141        u16                             *sriov_vlans;
 142        int                             num_vlan;
 143        unsigned long                   state;
 144        struct completion               ch_free_cmpl;
 145        struct work_struct              trans_work;
 146        struct work_struct              flr_work;
 147        /* It synchronizes commands sent from VF */
 148        struct mutex                    send_cmd_lock;
 149        struct qlcnic_bc_trans          *send_cmd;
 150        struct qlcnic_bc_trans          *flr_trans;
 151        struct qlcnic_trans_list        rcv_act;
 152        struct qlcnic_trans_list        rcv_pend;
 153        struct qlcnic_adapter           *adapter;
 154        struct qlcnic_vport             *vp;
 155        spinlock_t                      vlan_list_lock; /* Lock for VLAN list */
 156};
 157
 158struct qlcnic_async_cmd {
 159        struct list_head        list;
 160        struct qlcnic_cmd_args  *cmd;
 161};
 162
 163struct qlcnic_back_channel {
 164        u16                     trans_counter;
 165        struct workqueue_struct *bc_trans_wq;
 166        struct workqueue_struct *bc_async_wq;
 167        struct workqueue_struct *bc_flr_wq;
 168        struct qlcnic_adapter   *adapter;
 169        struct list_head        async_cmd_list;
 170        struct work_struct      vf_async_work;
 171        spinlock_t              queue_lock; /* async_cmd_list queue lock */
 172};
 173
 174struct qlcnic_sriov {
 175        u16                             vp_handle;
 176        u8                              num_vfs;
 177        u8                              any_vlan;
 178        u8                              vlan_mode;
 179        u16                             num_allowed_vlans;
 180        u16                             *allowed_vlans;
 181        u16                             vlan;
 182        struct qlcnic_resources         ff_max;
 183        struct qlcnic_back_channel      bc;
 184        struct qlcnic_vf_info           *vf_info;
 185};
 186
 187int qlcnic_sriov_init(struct qlcnic_adapter *, int);
 188void qlcnic_sriov_cleanup(struct qlcnic_adapter *);
 189void __qlcnic_sriov_cleanup(struct qlcnic_adapter *);
 190void qlcnic_sriov_vf_register_map(struct qlcnic_hardware_context *);
 191int qlcnic_sriov_vf_init(struct qlcnic_adapter *, int);
 192void qlcnic_sriov_vf_set_ops(struct qlcnic_adapter *);
 193int qlcnic_sriov_func_to_index(struct qlcnic_adapter *, u8);
 194void qlcnic_sriov_handle_bc_event(struct qlcnic_adapter *, u32);
 195int qlcnic_sriov_cfg_bc_intr(struct qlcnic_adapter *, u8);
 196void qlcnic_sriov_cleanup_async_list(struct qlcnic_back_channel *);
 197void qlcnic_sriov_cleanup_list(struct qlcnic_trans_list *);
 198int __qlcnic_sriov_add_act_list(struct qlcnic_sriov *, struct qlcnic_vf_info *,
 199                                struct qlcnic_bc_trans *);
 200int qlcnic_sriov_get_vf_vport_info(struct qlcnic_adapter *,
 201                                   struct qlcnic_info *, u16);
 202int qlcnic_sriov_cfg_vf_guest_vlan(struct qlcnic_adapter *, u16, u8);
 203void qlcnic_sriov_free_vlans(struct qlcnic_adapter *);
 204void qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *);
 205bool qlcnic_sriov_check_any_vlan(struct qlcnic_vf_info *);
 206void qlcnic_sriov_del_vlan_id(struct qlcnic_sriov *,
 207                              struct qlcnic_vf_info *, u16);
 208void qlcnic_sriov_add_vlan_id(struct qlcnic_sriov *,
 209                              struct qlcnic_vf_info *, u16);
 210
 211static inline bool qlcnic_sriov_enable_check(struct qlcnic_adapter *adapter)
 212{
 213        return test_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state) ? true : false;
 214}
 215
 216#ifdef CONFIG_QLCNIC_SRIOV
 217void qlcnic_sriov_pf_process_bc_cmd(struct qlcnic_adapter *,
 218                                    struct qlcnic_bc_trans *,
 219                                    struct qlcnic_cmd_args *);
 220void qlcnic_sriov_pf_disable(struct qlcnic_adapter *);
 221void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *);
 222int qlcnic_pci_sriov_configure(struct pci_dev *, int);
 223void qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *, u32 *);
 224void qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *, u32 *);
 225void qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *, u32 *);
 226void qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *, u32 *);
 227void qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *, u32 *);
 228void qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *, u32 *);
 229void qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *, u32 *);
 230void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *, struct qlcnic_vf_info *);
 231bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *,
 232                                 struct qlcnic_bc_trans *,
 233                                 struct qlcnic_vf_info *);
 234void qlcnic_sriov_pf_reset(struct qlcnic_adapter *);
 235int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *);
 236int qlcnic_sriov_set_vf_mac(struct net_device *, int, u8 *);
 237int qlcnic_sriov_set_vf_tx_rate(struct net_device *, int, int, int);
 238int qlcnic_sriov_get_vf_config(struct net_device *, int ,
 239                               struct ifla_vf_info *);
 240int qlcnic_sriov_set_vf_vlan(struct net_device *, int, u16, u8, __be16);
 241int qlcnic_sriov_set_vf_spoofchk(struct net_device *, int, bool);
 242#else
 243static inline void qlcnic_sriov_pf_disable(struct qlcnic_adapter *adapter) {}
 244static inline void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *adapter) {}
 245static inline void
 246qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *adapter,
 247                                         u32 *int_id) {}
 248static inline void
 249qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *adapter,
 250                                         u32 *int_id) {}
 251static inline void
 252qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *adapter,
 253                                      u32 *int_id) {}
 254static inline void
 255qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *adapter,
 256                                      u32 *int_id) {}
 257static inline void
 258qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *adapter, u32 *int_id)
 259{}
 260static inline void
 261qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *adapter, u32 *int_id)
 262{}
 263static inline void
 264qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *adapter, u32 *int_id)
 265{}
 266static inline void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *sriov,
 267                                              struct qlcnic_vf_info *vf) {}
 268static inline bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *adapter,
 269                                               struct qlcnic_bc_trans *trans,
 270                                               struct qlcnic_vf_info *vf)
 271{ return false; }
 272static inline void qlcnic_sriov_pf_reset(struct qlcnic_adapter *adapter) {}
 273static inline int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *adapter)
 274{ return 0; }
 275#endif
 276
 277#endif
 278