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 }; 52 53 #define QLC_BC_CMD 1 54 55 struct qlcnic_trans_list { 56 /* Lock for manipulating list */ 57 spinlock_t lock; 58 struct list_head wait_list; 59 int count; 60 }; 61 62 enum qlcnic_trans_state { 63 QLC_INIT = 0, 64 QLC_WAIT_FOR_CHANNEL_FREE, 65 QLC_WAIT_FOR_RESP, 66 QLC_ABORT, 67 QLC_END, 68 }; 69 70 struct qlcnic_bc_trans { 71 u8 func_id; 72 u8 active; 73 u8 curr_rsp_frag; 74 u8 curr_req_frag; 75 u16 cmd_id; 76 u16 req_pay_size; 77 u16 rsp_pay_size; 78 u32 trans_id; 79 enum qlcnic_trans_state trans_state; 80 struct list_head list; 81 struct qlcnic_bc_hdr *req_hdr; 82 struct qlcnic_bc_hdr *rsp_hdr; 83 struct qlcnic_bc_payload *req_pay; 84 struct qlcnic_bc_payload *rsp_pay; 85 struct completion resp_cmpl; 86 struct qlcnic_vf_info *vf; 87 }; 88 89 enum qlcnic_vf_state { 90 QLC_BC_VF_SEND = 0, 91 QLC_BC_VF_RECV, 92 QLC_BC_VF_CHANNEL, 93 QLC_BC_VF_STATE, 94 QLC_BC_VF_FLR, 95 QLC_BC_VF_SOFT_FLR, 96 }; 97 98 struct qlcnic_resources { 99 u16 num_tx_mac_filters; 100 u16 num_rx_ucast_mac_filters; 101 u16 num_rx_mcast_mac_filters; 102 103 u16 num_txvlan_keys; 104 105 u16 num_rx_queues; 106 u16 num_tx_queues; 107 108 u16 num_rx_buf_rings; 109 u16 num_rx_status_rings; 110 111 u16 num_destip; 112 u32 num_lro_flows_supported; 113 u16 max_local_ipv6_addrs; 114 u16 max_remote_ipv6_addrs; 115 }; 116 117 struct qlcnic_vport { 118 u16 handle; 119 u8 mac[6]; 120 }; 121 122 struct qlcnic_vf_info { 123 u8 pci_func; 124 u16 rx_ctx_id; 125 u16 tx_ctx_id; 126 unsigned long state; 127 struct completion ch_free_cmpl; 128 struct work_struct trans_work; 129 struct work_struct flr_work; 130 /* It synchronizes commands sent from VF */ 131 struct mutex send_cmd_lock; 132 struct qlcnic_bc_trans *send_cmd; 133 struct qlcnic_bc_trans *flr_trans; 134 struct qlcnic_trans_list rcv_act; 135 struct qlcnic_trans_list rcv_pend; 136 struct qlcnic_adapter *adapter; 137 struct qlcnic_vport *vp; 138 }; 139 140 struct qlcnic_async_work_list { 141 struct list_head list; 142 struct work_struct work; 143 void *ptr; 144 }; 145 146 struct qlcnic_back_channel { 147 u16 trans_counter; 148 struct workqueue_struct *bc_trans_wq; 149 struct workqueue_struct *bc_async_wq; 150 struct workqueue_struct *bc_flr_wq; 151 struct list_head async_list; 152 }; 153 154 struct qlcnic_sriov { 155 u16 vp_handle; 156 u8 num_vfs; 157 struct qlcnic_resources ff_max; 158 struct qlcnic_back_channel bc; 159 struct qlcnic_vf_info *vf_info; 160 }; 161 162 int qlcnic_sriov_init(struct qlcnic_adapter *, int); 163 void qlcnic_sriov_cleanup(struct qlcnic_adapter *); 164 void __qlcnic_sriov_cleanup(struct qlcnic_adapter *); 165 void qlcnic_sriov_vf_register_map(struct qlcnic_hardware_context *); 166 int qlcnic_sriov_vf_init(struct qlcnic_adapter *, int); 167 void qlcnic_sriov_vf_set_ops(struct qlcnic_adapter *); 168 int qlcnic_sriov_func_to_index(struct qlcnic_adapter *, u8); 169 int qlcnic_sriov_channel_cfg_cmd(struct qlcnic_adapter *, u8); 170 void qlcnic_sriov_handle_bc_event(struct qlcnic_adapter *, u32); 171 int qlcnic_sriov_cfg_bc_intr(struct qlcnic_adapter *, u8); 172 void qlcnic_sriov_cleanup_async_list(struct qlcnic_back_channel *); 173 void qlcnic_sriov_cleanup_list(struct qlcnic_trans_list *); 174 int __qlcnic_sriov_add_act_list(struct qlcnic_sriov *, struct qlcnic_vf_info *, 175 struct qlcnic_bc_trans *); 176 177 static inline bool qlcnic_sriov_enable_check(struct qlcnic_adapter *adapter) 178 { 179 return test_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state) ? true : false; 180 } 181 182 #ifdef CONFIG_QLCNIC_SRIOV 183 void qlcnic_sriov_pf_process_bc_cmd(struct qlcnic_adapter *, 184 struct qlcnic_bc_trans *, 185 struct qlcnic_cmd_args *); 186 void qlcnic_sriov_pf_disable(struct qlcnic_adapter *); 187 void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *); 188 int qlcnic_pci_sriov_configure(struct pci_dev *, int); 189 void qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *, u32 *); 190 void qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *, u32 *); 191 void qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *, u32 *); 192 void qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *, u32 *); 193 void qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *, u32 *); 194 void qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *, u32 *); 195 void qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *, u32 *); 196 void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *, struct qlcnic_vf_info *); 197 bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *, 198 struct qlcnic_bc_trans *, 199 struct qlcnic_vf_info *); 200 void qlcnic_sriov_pf_reset(struct qlcnic_adapter *); 201 int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *); 202 #else 203 static inline void qlcnic_sriov_pf_disable(struct qlcnic_adapter *adapter) {} 204 static inline void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *adapter) {} 205 static inline void 206 qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *adapter, 207 u32 *int_id) {} 208 static inline void 209 qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *adapter, 210 u32 *int_id) {} 211 static inline void 212 qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *adapter, 213 u32 *int_id) {} 214 static inline void 215 qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *adapter, 216 u32 *int_id) {} 217 static inline void 218 qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *adapter, u32 *int_id) 219 {} 220 static inline void 221 qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *adapter, u32 *int_id) 222 {} 223 static inline void 224 qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *adapter, u32 *int_id) 225 {} 226 static inline void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *sriov, 227 struct qlcnic_vf_info *vf) {} 228 static inline bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *adapter, 229 struct qlcnic_bc_trans *trans, 230 struct qlcnic_vf_info *vf) 231 { return false; } 232 static inline void qlcnic_sriov_pf_reset(struct qlcnic_adapter *adapter) {} 233 static inline int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *adapter) 234 { return 0; } 235 #endif 236 237 #endif 238