kernel/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h

   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 "qlcnic.h"
  12 #include <linux/types.h>
  13 #include <linux/pci.h>
  14
  15 extern const u32 qlcnic_83xx_reg_tbl[];
  16 extern const u32 qlcnic_83xx_ext_reg_tbl[];
  17
  18 struct qlcnic_bc_payload {
  19         u64 payload[126];
  20 };
  21
  22 struct 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
  48 enum 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
  58 struct qlcnic_trans_list {
  59         /* Lock for manipulating list */
  60         spinlock_t              lock;
  61         struct list_head        wait_list;
  62         int                     count;
  63 };
  64
  65 enum 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
  73 struct 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
  92 enum 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
 101 enum qlcnic_vlan_mode {
 102         QLC_NO_VLAN_MODE = 0,
 103         QLC_PVID_MODE,
 104         QLC_GUEST_VLAN_MODE,
 105 };
 106
 107 struct 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
 126 struct 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
 137 struct 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
 158 struct qlcnic_async_work_list {
 159         struct list_head        list;
 160         struct work_struct      work;
 161         void                    *ptr;
 162         struct qlcnic_cmd_args  *cmd;
 163 };
 164
 165 struct qlcnic_back_channel {
 166         u16                     trans_counter;
 167         struct workqueue_struct *bc_trans_wq;
 168         struct workqueue_struct *bc_async_wq;
 169         struct workqueue_struct *bc_flr_wq;
 170         struct list_head        async_list;
 171 };
 172
 173 struct qlcnic_sriov {
 174         u16                             vp_handle;
 175         u8                              num_vfs;
 176         u8                              any_vlan;
 177         u8                              vlan_mode;
 178         u16                             num_allowed_vlans;
 179         u16                             *allowed_vlans;
 180         u16                             vlan;
 181         struct qlcnic_resources         ff_max;
 182         struct qlcnic_back_channel      bc;
 183         struct qlcnic_vf_info           *vf_info;
 184 };
 185
 186 int qlcnic_sriov_init(struct qlcnic_adapter *, int);
 187 void qlcnic_sriov_cleanup(struct qlcnic_adapter *);
 188 void __qlcnic_sriov_cleanup(struct qlcnic_adapter *);
 189 void qlcnic_sriov_vf_register_map(struct qlcnic_hardware_context *);
 190 int qlcnic_sriov_vf_init(struct qlcnic_adapter *, int);
 191 void qlcnic_sriov_vf_set_ops(struct qlcnic_adapter *);
 192 int qlcnic_sriov_func_to_index(struct qlcnic_adapter *, u8);
 193 void qlcnic_sriov_handle_bc_event(struct qlcnic_adapter *, u32);
 194 int qlcnic_sriov_cfg_bc_intr(struct qlcnic_adapter *, u8);
 195 void qlcnic_sriov_cleanup_async_list(struct qlcnic_back_channel *);
 196 void qlcnic_sriov_cleanup_list(struct qlcnic_trans_list *);
 197 int __qlcnic_sriov_add_act_list(struct qlcnic_sriov *, struct qlcnic_vf_info *,
 198                                 struct qlcnic_bc_trans *);
 199 int qlcnic_sriov_get_vf_vport_info(struct qlcnic_adapter *,
 200                                    struct qlcnic_info *, u16);
 201 int qlcnic_sriov_cfg_vf_guest_vlan(struct qlcnic_adapter *, u16, u8);
 202 void qlcnic_sriov_free_vlans(struct qlcnic_adapter *);
 203 void qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *);
 204 bool qlcnic_sriov_check_any_vlan(struct qlcnic_vf_info *);
 205 void qlcnic_sriov_del_vlan_id(struct qlcnic_sriov *,
 206                               struct qlcnic_vf_info *, u16);
 207 void qlcnic_sriov_add_vlan_id(struct qlcnic_sriov *,
 208                               struct qlcnic_vf_info *, u16);
 209
 210 static inline bool qlcnic_sriov_enable_check(struct qlcnic_adapter *adapter)
 211 {
 212         return test_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state) ? true : false;
 213 }
 214
 215 #ifdef CONFIG_QLCNIC_SRIOV
 216 void qlcnic_sriov_pf_process_bc_cmd(struct qlcnic_adapter *,
 217                                     struct qlcnic_bc_trans *,
 218                                     struct qlcnic_cmd_args *);
 219 void qlcnic_sriov_pf_disable(struct qlcnic_adapter *);
 220 void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *);
 221 int qlcnic_pci_sriov_configure(struct pci_dev *, int);
 222 void qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *, u32 *);
 223 void qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *, u32 *);
 224 void qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *, u32 *);
 225 void qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *, u32 *);
 226 void qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *, u32 *);
 227 void qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *, u32 *);
 228 void qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *, u32 *);
 229 void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *, struct qlcnic_vf_info *);
 230 bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *,
 231                                  struct qlcnic_bc_trans *,
 232                                  struct qlcnic_vf_info *);
 233 void qlcnic_sriov_pf_reset(struct qlcnic_adapter *);
 234 int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *);
 235 int qlcnic_sriov_set_vf_mac(struct net_device *, int, u8 *);
 236 int qlcnic_sriov_set_vf_tx_rate(struct net_device *, int, int, int);
 237 int qlcnic_sriov_get_vf_config(struct net_device *, int ,
 238                                struct ifla_vf_info *);
 239 int qlcnic_sriov_set_vf_vlan(struct net_device *, int, u16, u8);
 240 int qlcnic_sriov_set_vf_spoofchk(struct net_device *, int, bool);
 241 #else
 242 static inline void qlcnic_sriov_pf_disable(struct qlcnic_adapter *adapter) {}
 243 static inline void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *adapter) {}
 244 static inline void
 245 qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *adapter,
 246                                          u32 *int_id) {}
 247 static inline void
 248 qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *adapter,
 249                                          u32 *int_id) {}
 250 static inline void
 251 qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *adapter,
 252                                       u32 *int_id) {}
 253 static inline void
 254 qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *adapter,
 255                                       u32 *int_id) {}
 256 static inline void
 257 qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *adapter, u32 *int_id)
 258 {}
 259 static inline void
 260 qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *adapter, u32 *int_id)
 261 {}
 262 static inline void
 263 qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *adapter, u32 *int_id)
 264 {}
 265 static inline void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *sriov,
 266                                               struct qlcnic_vf_info *vf) {}
 267 static inline bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *adapter,
 268                                                struct qlcnic_bc_trans *trans,
 269                                                struct qlcnic_vf_info *vf)
 270 { return false; }
 271 static inline void qlcnic_sriov_pf_reset(struct qlcnic_adapter *adapter) {}
 272 static inline int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *adapter)
 273 { return 0; }
 274 #endif
 275
 276 #endif