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 QLC_BC_CMD 1
  56
  57 struct qlcnic_trans_list {
  58         /* Lock for manipulating list */
  59         spinlock_t              lock;
  60         struct list_head        wait_list;
  61         int                     count;
  62 };
  63
  64 enum qlcnic_trans_state {
  65         QLC_INIT = 0,
  66         QLC_WAIT_FOR_CHANNEL_FREE,
  67         QLC_WAIT_FOR_RESP,
  68         QLC_ABORT,
  69         QLC_END,
  70 };
  71
  72 struct qlcnic_bc_trans {
  73         u8                              func_id;
  74         u8                              active;
  75         u8                              curr_rsp_frag;
  76         u8                              curr_req_frag;
  77         u16                             cmd_id;
  78         u16                             req_pay_size;
  79         u16                             rsp_pay_size;
  80         u32                             trans_id;
  81         enum qlcnic_trans_state         trans_state;
  82         struct list_head                list;
  83         struct qlcnic_bc_hdr            *req_hdr;
  84         struct qlcnic_bc_hdr            *rsp_hdr;
  85         struct qlcnic_bc_payload        *req_pay;
  86         struct qlcnic_bc_payload        *rsp_pay;
  87         struct completion               resp_cmpl;
  88         struct qlcnic_vf_info           *vf;
  89 };
  90
  91 enum qlcnic_vf_state {
  92         QLC_BC_VF_SEND = 0,
  93         QLC_BC_VF_RECV,
  94         QLC_BC_VF_CHANNEL,
  95         QLC_BC_VF_STATE,
  96         QLC_BC_VF_FLR,
  97         QLC_BC_VF_SOFT_FLR,
  98 };
  99
 100 enum qlcnic_vlan_mode {
 101         QLC_NO_VLAN_MODE = 0,
 102         QLC_PVID_MODE,
 103         QLC_GUEST_VLAN_MODE,
 104 };
 105
 106 struct qlcnic_resources {
 107         u16 num_tx_mac_filters;
 108         u16 num_rx_ucast_mac_filters;
 109         u16 num_rx_mcast_mac_filters;
 110
 111         u16 num_txvlan_keys;
 112
 113         u16 num_rx_queues;
 114         u16 num_tx_queues;
 115
 116         u16 num_rx_buf_rings;
 117         u16 num_rx_status_rings;
 118
 119         u16 num_destip;
 120         u32 num_lro_flows_supported;
 121         u16 max_local_ipv6_addrs;
 122         u16 max_remote_ipv6_addrs;
 123 };
 124
 125 struct qlcnic_vport {
 126         u16                     handle;
 127         u16                     max_tx_bw;
 128         u16                     min_tx_bw;
 129         u8                      vlan_mode;
 130         u16                     vlan;
 131         u8                      qos;
 132         u8                      mac[6];
 133 };
 134
 135 struct qlcnic_vf_info {
 136         u8                              pci_func;
 137         u16                             rx_ctx_id;
 138         u16                             tx_ctx_id;
 139         unsigned long                   state;
 140         struct completion               ch_free_cmpl;
 141         struct work_struct              trans_work;
 142         struct work_struct              flr_work;
 143         /* It synchronizes commands sent from VF */
 144         struct mutex                    send_cmd_lock;
 145         struct qlcnic_bc_trans          *send_cmd;
 146         struct qlcnic_bc_trans          *flr_trans;
 147         struct qlcnic_trans_list        rcv_act;
 148         struct qlcnic_trans_list        rcv_pend;
 149         struct qlcnic_adapter           *adapter;
 150         struct qlcnic_vport             *vp;
 151 };
 152
 153 struct qlcnic_async_work_list {
 154         struct list_head        list;
 155         struct work_struct      work;
 156         void                    *ptr;
 157 };
 158
 159 struct qlcnic_back_channel {
 160         u16                     trans_counter;
 161         struct workqueue_struct *bc_trans_wq;
 162         struct workqueue_struct *bc_async_wq;
 163         struct workqueue_struct *bc_flr_wq;
 164         struct list_head        async_list;
 165 };
 166
 167 struct qlcnic_sriov {
 168         u16                             vp_handle;
 169         u8                              num_vfs;
 170         u8                              any_vlan;
 171         u8                              vlan_mode;
 172         u16                             num_allowed_vlans;
 173         u16                             *allowed_vlans;
 174         u16                             vlan;
 175         struct qlcnic_resources         ff_max;
 176         struct qlcnic_back_channel      bc;
 177         struct qlcnic_vf_info           *vf_info;
 178 };
 179
 180 int qlcnic_sriov_init(struct qlcnic_adapter *, int);
 181 void qlcnic_sriov_cleanup(struct qlcnic_adapter *);
 182 void __qlcnic_sriov_cleanup(struct qlcnic_adapter *);
 183 void qlcnic_sriov_vf_register_map(struct qlcnic_hardware_context *);
 184 int qlcnic_sriov_vf_init(struct qlcnic_adapter *, int);
 185 void qlcnic_sriov_vf_set_ops(struct qlcnic_adapter *);
 186 int qlcnic_sriov_func_to_index(struct qlcnic_adapter *, u8);
 187 int qlcnic_sriov_channel_cfg_cmd(struct qlcnic_adapter *, u8);
 188 void qlcnic_sriov_handle_bc_event(struct qlcnic_adapter *, u32);
 189 int qlcnic_sriov_cfg_bc_intr(struct qlcnic_adapter *, u8);
 190 void qlcnic_sriov_cleanup_async_list(struct qlcnic_back_channel *);
 191 void qlcnic_sriov_cleanup_list(struct qlcnic_trans_list *);
 192 int __qlcnic_sriov_add_act_list(struct qlcnic_sriov *, struct qlcnic_vf_info *,
 193                                 struct qlcnic_bc_trans *);
 194 int qlcnic_sriov_get_vf_vport_info(struct qlcnic_adapter *,
 195                                    struct qlcnic_info *, u16);
 196 int qlcnic_sriov_cfg_vf_guest_vlan(struct qlcnic_adapter *, u16, u8);
 197
 198 static inline bool qlcnic_sriov_enable_check(struct qlcnic_adapter *adapter)
 199 {
 200         return test_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state) ? true : false;
 201 }
 202
 203 #ifdef CONFIG_QLCNIC_SRIOV
 204 void qlcnic_sriov_pf_process_bc_cmd(struct qlcnic_adapter *,
 205                                     struct qlcnic_bc_trans *,
 206                                     struct qlcnic_cmd_args *);
 207 void qlcnic_sriov_pf_disable(struct qlcnic_adapter *);
 208 void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *);
 209 int qlcnic_pci_sriov_configure(struct pci_dev *, int);
 210 void qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *, u32 *);
 211 void qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *, u32 *);
 212 void qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *, u32 *);
 213 void qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *, u32 *);
 214 void qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *, u32 *);
 215 void qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *, u32 *);
 216 void qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *, u32 *);
 217 void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *, struct qlcnic_vf_info *);
 218 bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *,
 219                                  struct qlcnic_bc_trans *,
 220                                  struct qlcnic_vf_info *);
 221 void qlcnic_sriov_pf_reset(struct qlcnic_adapter *);
 222 int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *);
 223 int qlcnic_sriov_set_vf_mac(struct net_device *, int, u8 *);
 224 int qlcnic_sriov_set_vf_tx_rate(struct net_device *, int, int);
 225 int qlcnic_sriov_get_vf_config(struct net_device *, int ,
 226                                struct ifla_vf_info *);
 227 int qlcnic_sriov_set_vf_vlan(struct net_device *, int, u16, u8);
 228 #else
 229 static inline void qlcnic_sriov_pf_disable(struct qlcnic_adapter *adapter) {}
 230 static inline void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *adapter) {}
 231 static inline void
 232 qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *adapter,
 233                                          u32 *int_id) {}
 234 static inline void
 235 qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *adapter,
 236                                          u32 *int_id) {}
 237 static inline void
 238 qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *adapter,
 239                                       u32 *int_id) {}
 240 static inline void
 241 qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *adapter,
 242                                       u32 *int_id) {}
 243 static inline void
 244 qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *adapter, u32 *int_id)
 245 {}
 246 static inline void
 247 qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *adapter, u32 *int_id)
 248 {}
 249 static inline void
 250 qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *adapter, u32 *int_id)
 251 {}
 252 static inline void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *sriov,
 253                                               struct qlcnic_vf_info *vf) {}
 254 static inline bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *adapter,
 255                                                struct qlcnic_bc_trans *trans,
 256                                                struct qlcnic_vf_info *vf)
 257 { return false; }
 258 static inline void qlcnic_sriov_pf_reset(struct qlcnic_adapter *adapter) {}
 259 static inline int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *adapter)
 260 { return 0; }
 261 #endif
 262
 263 #endif