linux/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h
<<
>>
Prefs
   1/*
   2 * QLogic qlcnic NIC Driver
   3 * Copyright (c) 2009-2013 QLogic Corporation
   4 *
   5 * See LICENSE.qlcnic for copyright and licensing details.
   6 */
   7
   8#ifndef _QLCNIC_83XX_SRIOV_H_
   9#define _QLCNIC_83XX_SRIOV_H_
  10
  11#include <linux/types.h>
  12#include <linux/pci.h>
  13
  14#include "qlcnic.h"
  15
  16extern const u32 qlcnic_83xx_reg_tbl[];
  17extern const u32 qlcnic_83xx_ext_reg_tbl[];
  18
  19struct qlcnic_bc_payload {
  20        u64 payload[126];
  21};
  22
  23struct qlcnic_bc_hdr {
  24#if defined(__LITTLE_ENDIAN)
  25        u8      version;
  26        u8      msg_type:4;
  27        u8      rsvd1:3;
  28        u8      op_type:1;
  29        u8      num_cmds;
  30        u8      num_frags;
  31        u8      frag_num;
  32        u8      cmd_op;
  33        u16     seq_id;
  34        u64     rsvd3;
  35#elif defined(__BIG_ENDIAN)
  36        u8      num_frags;
  37        u8      num_cmds;
  38        u8      op_type:1;
  39        u8      rsvd1:3;
  40        u8      msg_type:4;
  41        u8      version;
  42        u16     seq_id;
  43        u8      cmd_op;
  44        u8      frag_num;
  45        u64     rsvd3;
  46#endif
  47};
  48
  49enum qlcnic_bc_commands {
  50        QLCNIC_BC_CMD_CHANNEL_INIT = 0x0,
  51        QLCNIC_BC_CMD_CHANNEL_TERM = 0x1,
  52        QLCNIC_BC_CMD_GET_ACL = 0x2,
  53        QLCNIC_BC_CMD_CFG_GUEST_VLAN = 0x3,
  54};
  55
  56#define QLCNIC_83XX_SRIOV_VF_MAX_MAC 2
  57#define QLC_BC_CMD 1
  58
  59struct qlcnic_trans_list {
  60        /* Lock for manipulating list */
  61        spinlock_t              lock;
  62        struct list_head        wait_list;
  63        int                     count;
  64};
  65
  66enum qlcnic_trans_state {
  67        QLC_INIT = 0,
  68        QLC_WAIT_FOR_CHANNEL_FREE,
  69        QLC_WAIT_FOR_RESP,
  70        QLC_ABORT,
  71        QLC_END,
  72};
  73
  74struct qlcnic_bc_trans {
  75        u8                              func_id;
  76        u8                              active;
  77        u8                              curr_rsp_frag;
  78        u8                              curr_req_frag;
  79        u16                             cmd_id;
  80        u16                             req_pay_size;
  81        u16                             rsp_pay_size;
  82        u32                             trans_id;
  83        enum qlcnic_trans_state         trans_state;
  84        struct list_head                list;
  85        struct qlcnic_bc_hdr            *req_hdr;
  86        struct qlcnic_bc_hdr            *rsp_hdr;
  87        struct qlcnic_bc_payload        *req_pay;
  88        struct qlcnic_bc_payload        *rsp_pay;
  89        struct completion               resp_cmpl;
  90        struct qlcnic_vf_info           *vf;
  91};
  92
  93enum qlcnic_vf_state {
  94        QLC_BC_VF_SEND = 0,
  95        QLC_BC_VF_RECV,
  96        QLC_BC_VF_CHANNEL,
  97        QLC_BC_VF_STATE,
  98        QLC_BC_VF_FLR,
  99        QLC_BC_VF_SOFT_FLR,
 100};
 101
 102enum qlcnic_vlan_mode {
 103        QLC_NO_VLAN_MODE = 0,
 104        QLC_PVID_MODE,
 105        QLC_GUEST_VLAN_MODE,
 106};
 107
 108struct qlcnic_resources {
 109        u16 num_tx_mac_filters;
 110        u16 num_rx_ucast_mac_filters;
 111        u16 num_rx_mcast_mac_filters;
 112
 113        u16 num_txvlan_keys;
 114
 115        u16 num_rx_queues;
 116        u16 num_tx_queues;
 117
 118        u16 num_rx_buf_rings;
 119        u16 num_rx_status_rings;
 120
 121        u16 num_destip;
 122        u32 num_lro_flows_supported;
 123        u16 max_local_ipv6_addrs;
 124        u16 max_remote_ipv6_addrs;
 125};
 126
 127struct qlcnic_vport {
 128        u16                     handle;
 129        u16                     max_tx_bw;
 130        u16                     min_tx_bw;
 131        u16                     pvid;
 132        u8                      vlan_mode;
 133        u8                      qos;
 134        bool                    spoofchk;
 135        u8                      mac[6];
 136};
 137
 138struct qlcnic_vf_info {
 139        u8                              pci_func;
 140        u16                             rx_ctx_id;
 141        u16                             tx_ctx_id;
 142        u16                             *sriov_vlans;
 143        int                             num_vlan;
 144        unsigned long                   state;
 145        struct completion               ch_free_cmpl;
 146        struct work_struct              trans_work;
 147        struct work_struct              flr_work;
 148        /* It synchronizes commands sent from VF */
 149        struct mutex                    send_cmd_lock;
 150        struct qlcnic_bc_trans          *send_cmd;
 151        struct qlcnic_bc_trans          *flr_trans;
 152        struct qlcnic_trans_list        rcv_act;
 153        struct qlcnic_trans_list        rcv_pend;
 154        struct qlcnic_adapter           *adapter;
 155        struct qlcnic_vport             *vp;
 156        spinlock_t                      vlan_list_lock; /* Lock for VLAN list */
 157};
 158
 159struct qlcnic_async_cmd {
 160        struct list_head        list;
 161        struct qlcnic_cmd_args  *cmd;
 162};
 163
 164struct qlcnic_back_channel {
 165        u16                     trans_counter;
 166        struct workqueue_struct *bc_trans_wq;
 167        struct workqueue_struct *bc_async_wq;
 168        struct workqueue_struct *bc_flr_wq;
 169        struct qlcnic_adapter   *adapter;
 170        struct list_head        async_cmd_list;
 171        struct work_struct      vf_async_work;
 172        spinlock_t              queue_lock; /* async_cmd_list queue lock */
 173};
 174
 175struct qlcnic_sriov {
 176        u16                             vp_handle;
 177        u8                              num_vfs;
 178        u8                              any_vlan;
 179        u8                              vlan_mode;
 180        u16                             num_allowed_vlans;
 181        u16                             *allowed_vlans;
 182        u16                             vlan;
 183        struct qlcnic_resources         ff_max;
 184        struct qlcnic_back_channel      bc;
 185        struct qlcnic_vf_info           *vf_info;
 186};
 187
 188int qlcnic_sriov_init(struct qlcnic_adapter *, int);
 189void qlcnic_sriov_cleanup(struct qlcnic_adapter *);
 190void __qlcnic_sriov_cleanup(struct qlcnic_adapter *);
 191void qlcnic_sriov_vf_register_map(struct qlcnic_hardware_context *);
 192int qlcnic_sriov_vf_init(struct qlcnic_adapter *, int);
 193void qlcnic_sriov_vf_set_ops(struct qlcnic_adapter *);
 194int qlcnic_sriov_func_to_index(struct qlcnic_adapter *, u8);
 195void qlcnic_sriov_handle_bc_event(struct qlcnic_adapter *, u32);
 196int qlcnic_sriov_cfg_bc_intr(struct qlcnic_adapter *, u8);
 197void qlcnic_sriov_cleanup_async_list(struct qlcnic_back_channel *);
 198void qlcnic_sriov_cleanup_list(struct qlcnic_trans_list *);
 199int __qlcnic_sriov_add_act_list(struct qlcnic_sriov *, struct qlcnic_vf_info *,
 200                                struct qlcnic_bc_trans *);
 201int qlcnic_sriov_get_vf_vport_info(struct qlcnic_adapter *,
 202                                   struct qlcnic_info *, u16);
 203int qlcnic_sriov_cfg_vf_guest_vlan(struct qlcnic_adapter *, u16, u8);
 204void qlcnic_sriov_free_vlans(struct qlcnic_adapter *);
 205void qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *);
 206bool qlcnic_sriov_check_any_vlan(struct qlcnic_vf_info *);
 207void qlcnic_sriov_del_vlan_id(struct qlcnic_sriov *,
 208                              struct qlcnic_vf_info *, u16);
 209void qlcnic_sriov_add_vlan_id(struct qlcnic_sriov *,
 210                              struct qlcnic_vf_info *, u16);
 211
 212static inline bool qlcnic_sriov_enable_check(struct qlcnic_adapter *adapter)
 213{
 214        return test_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state) ? true : false;
 215}
 216
 217#ifdef CONFIG_QLCNIC_SRIOV
 218void qlcnic_sriov_pf_process_bc_cmd(struct qlcnic_adapter *,
 219                                    struct qlcnic_bc_trans *,
 220                                    struct qlcnic_cmd_args *);
 221void qlcnic_sriov_pf_disable(struct qlcnic_adapter *);
 222void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *);
 223int qlcnic_pci_sriov_configure(struct pci_dev *, int);
 224void qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *, u32 *);
 225void qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *, u32 *);
 226void qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *, u32 *);
 227void qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *, u32 *);
 228void qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *, u32 *);
 229void qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *, u32 *);
 230void qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *, u32 *);
 231void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *, struct qlcnic_vf_info *);
 232bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *,
 233                                 struct qlcnic_bc_trans *,
 234                                 struct qlcnic_vf_info *);
 235void qlcnic_sriov_pf_reset(struct qlcnic_adapter *);
 236int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *);
 237int qlcnic_sriov_set_vf_mac(struct net_device *, int, u8 *);
 238int qlcnic_sriov_set_vf_tx_rate(struct net_device *, int, int, int);
 239int qlcnic_sriov_get_vf_config(struct net_device *, int ,
 240                               struct ifla_vf_info *);
 241int qlcnic_sriov_set_vf_vlan(struct net_device *, int, u16, u8, __be16);
 242int qlcnic_sriov_set_vf_spoofchk(struct net_device *, int, bool);
 243#else
 244static inline void qlcnic_sriov_pf_disable(struct qlcnic_adapter *adapter) {}
 245static inline void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *adapter) {}
 246static inline void
 247qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *adapter,
 248                                         u32 *int_id) {}
 249static inline void
 250qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *adapter,
 251                                         u32 *int_id) {}
 252static inline void
 253qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *adapter,
 254                                      u32 *int_id) {}
 255static inline void
 256qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *adapter,
 257                                      u32 *int_id) {}
 258static inline void
 259qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *adapter, u32 *int_id)
 260{}
 261static inline void
 262qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *adapter, u32 *int_id)
 263{}
 264static inline void
 265qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *adapter, u32 *int_id)
 266{}
 267static inline void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *sriov,
 268                                              struct qlcnic_vf_info *vf) {}
 269static inline bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *adapter,
 270                                               struct qlcnic_bc_trans *trans,
 271                                               struct qlcnic_vf_info *vf)
 272{ return false; }
 273static inline void qlcnic_sriov_pf_reset(struct qlcnic_adapter *adapter) {}
 274static inline int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *adapter)
 275{ return 0; }
 276#endif
 277
 278#endif
 279