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 <linux/types.h>
  12 #include <linux/pci.h>
  13
  14 #include "qlcnic.h"
  15
  16 extern const u32 qlcnic_83xx_reg_tbl[];
  17 extern const u32 qlcnic_83xx_ext_reg_tbl[];
  18
  19 struct qlcnic_bc_payload {
  20         u64 payload[126];
  21 };
  22
  23 struct 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
  49 enum 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
  59 struct qlcnic_trans_list {
  60         /* Lock for manipulating list */
  61         spinlock_t              lock;
  62         struct list_head        wait_list;
  63         int                     count;
  64 };
  65
  66 enum 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
  74 struct 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
  93 enum 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
 102 enum qlcnic_vlan_mode {
 103         QLC_NO_VLAN_MODE = 0,
 104         QLC_PVID_MODE,
 105         QLC_GUEST_VLAN_MODE,
 106 };
 107
 108 struct 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
 127 struct 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
 138 struct 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
 159 struct qlcnic_async_cmd {
 160         struct list_head        list;
 161         struct qlcnic_cmd_args  *cmd;
 162 };
 163
 164 struct 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
 175 struct 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
 188 int qlcnic_sriov_init(struct qlcnic_adapter *, int);
 189 void qlcnic_sriov_cleanup(struct qlcnic_adapter *);
 190 void __qlcnic_sriov_cleanup(struct qlcnic_adapter *);
 191 void qlcnic_sriov_vf_register_map(struct qlcnic_hardware_context *);
 192 int qlcnic_sriov_vf_init(struct qlcnic_adapter *, int);
 193 void qlcnic_sriov_vf_set_ops(struct qlcnic_adapter *);
 194 int qlcnic_sriov_func_to_index(struct qlcnic_adapter *, u8);
 195 void qlcnic_sriov_handle_bc_event(struct qlcnic_adapter *, u32);
 196 int qlcnic_sriov_cfg_bc_intr(struct qlcnic_adapter *, u8);
 197 void qlcnic_sriov_cleanup_async_list(struct qlcnic_back_channel *);
 198 void qlcnic_sriov_cleanup_list(struct qlcnic_trans_list *);
 199 int __qlcnic_sriov_add_act_list(struct qlcnic_sriov *, struct qlcnic_vf_info *,
 200                                 struct qlcnic_bc_trans *);
 201 int qlcnic_sriov_get_vf_vport_info(struct qlcnic_adapter *,
 202                                    struct qlcnic_info *, u16);
 203 int qlcnic_sriov_cfg_vf_guest_vlan(struct qlcnic_adapter *, u16, u8);
 204 void qlcnic_sriov_free_vlans(struct qlcnic_adapter *);
 205 void qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *);
 206 bool qlcnic_sriov_check_any_vlan(struct qlcnic_vf_info *);
 207 void qlcnic_sriov_del_vlan_id(struct qlcnic_sriov *,
 208                               struct qlcnic_vf_info *, u16);
 209 void qlcnic_sriov_add_vlan_id(struct qlcnic_sriov *,
 210                               struct qlcnic_vf_info *, u16);
 211
 212 static 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
 218 void qlcnic_sriov_pf_process_bc_cmd(struct qlcnic_adapter *,
 219                                     struct qlcnic_bc_trans *,
 220                                     struct qlcnic_cmd_args *);
 221 void qlcnic_sriov_pf_disable(struct qlcnic_adapter *);
 222 void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *);
 223 int qlcnic_pci_sriov_configure(struct pci_dev *, int);
 224 void qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *, u32 *);
 225 void qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *, u32 *);
 226 void qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *, u32 *);
 227 void qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *, u32 *);
 228 void qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *, u32 *);
 229 void qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *, u32 *);
 230 void qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *, u32 *);
 231 void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *, struct qlcnic_vf_info *);
 232 bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *,
 233                                  struct qlcnic_bc_trans *,
 234                                  struct qlcnic_vf_info *);
 235 void qlcnic_sriov_pf_reset(struct qlcnic_adapter *);
 236 int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *);
 237 int qlcnic_sriov_set_vf_mac(struct net_device *, int, u8 *);
 238 int qlcnic_sriov_set_vf_tx_rate(struct net_device *, int, int, int);
 239 int qlcnic_sriov_get_vf_config(struct net_device *, int ,
 240                                struct ifla_vf_info *);
 241 int qlcnic_sriov_set_vf_vlan(struct net_device *, int, u16, u8);
 242 int qlcnic_sriov_set_vf_spoofchk(struct net_device *, int, bool);
 243 #else
 244 static inline void qlcnic_sriov_pf_disable(struct qlcnic_adapter *adapter) {}
 245 static inline void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *adapter) {}
 246 static inline void
 247 qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *adapter,
 248                                          u32 *int_id) {}
 249 static inline void
 250 qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *adapter,
 251                                          u32 *int_id) {}
 252 static inline void
 253 qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *adapter,
 254                                       u32 *int_id) {}
 255 static inline void
 256 qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *adapter,
 257                                       u32 *int_id) {}
 258 static inline void
 259 qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *adapter, u32 *int_id)
 260 {}
 261 static inline void
 262 qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *adapter, u32 *int_id)
 263 {}
 264 static inline void
 265 qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *adapter, u32 *int_id)
 266 {}
 267 static inline void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *sriov,
 268                                               struct qlcnic_vf_info *vf) {}
 269 static 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; }
 273 static inline void qlcnic_sriov_pf_reset(struct qlcnic_adapter *adapter) {}
 274 static inline int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *adapter)
 275 { return 0; }
 276 #endif
 277
 278 #endif