Alexander Duyck | d4e0fe0 | 2009-04-07 14:37:34 +0000 | [diff] [blame] | 1 | /******************************************************************************* |
| 2 | |
| 3 | Intel(R) 82576 Virtual Function Linux driver |
| 4 | Copyright(c) 2009 Intel Corporation. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify it |
| 7 | under the terms and conditions of the GNU General Public License, |
| 8 | version 2, as published by the Free Software Foundation. |
| 9 | |
| 10 | This program is distributed in the hope it will be useful, but WITHOUT |
| 11 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 13 | more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License along with |
| 16 | this program; if not, write to the Free Software Foundation, Inc., |
| 17 | 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | |
| 19 | The full GNU General Public License is included in this distribution in |
| 20 | the file called "COPYING". |
| 21 | |
| 22 | Contact Information: |
| 23 | e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
| 24 | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 25 | |
| 26 | *******************************************************************************/ |
| 27 | |
| 28 | #ifndef _E1000_VF_H_ |
| 29 | #define _E1000_VF_H_ |
| 30 | |
| 31 | #include <linux/pci.h> |
| 32 | #include <linux/delay.h> |
| 33 | #include <linux/interrupt.h> |
| 34 | #include <linux/if_ether.h> |
| 35 | |
| 36 | #include "regs.h" |
| 37 | #include "defines.h" |
| 38 | |
| 39 | struct e1000_hw; |
| 40 | |
| 41 | #define E1000_DEV_ID_82576_VF 0x10CA |
| 42 | #define E1000_REVISION_0 0 |
| 43 | #define E1000_REVISION_1 1 |
| 44 | #define E1000_REVISION_2 2 |
| 45 | #define E1000_REVISION_3 3 |
| 46 | #define E1000_REVISION_4 4 |
| 47 | |
| 48 | #define E1000_FUNC_0 0 |
| 49 | #define E1000_FUNC_1 1 |
| 50 | |
| 51 | /* |
| 52 | * Receive Address Register Count |
| 53 | * Number of high/low register pairs in the RAR. The RAR (Receive Address |
| 54 | * Registers) holds the directed and multicast addresses that we monitor. |
| 55 | * These entries are also used for MAC-based filtering. |
| 56 | */ |
| 57 | #define E1000_RAR_ENTRIES_VF 1 |
| 58 | |
| 59 | /* Receive Descriptor - Advanced */ |
| 60 | union e1000_adv_rx_desc { |
| 61 | struct { |
| 62 | u64 pkt_addr; /* Packet buffer address */ |
| 63 | u64 hdr_addr; /* Header buffer address */ |
| 64 | } read; |
| 65 | struct { |
| 66 | struct { |
| 67 | union { |
| 68 | u32 data; |
| 69 | struct { |
| 70 | u16 pkt_info; /* RSS/Packet type */ |
| 71 | u16 hdr_info; /* Split Header, |
| 72 | * hdr buffer length */ |
| 73 | } hs_rss; |
| 74 | } lo_dword; |
| 75 | union { |
| 76 | u32 rss; /* RSS Hash */ |
| 77 | struct { |
| 78 | u16 ip_id; /* IP id */ |
| 79 | u16 csum; /* Packet Checksum */ |
| 80 | } csum_ip; |
| 81 | } hi_dword; |
| 82 | } lower; |
| 83 | struct { |
| 84 | u32 status_error; /* ext status/error */ |
| 85 | u16 length; /* Packet length */ |
| 86 | u16 vlan; /* VLAN tag */ |
| 87 | } upper; |
| 88 | } wb; /* writeback */ |
| 89 | }; |
| 90 | |
| 91 | #define E1000_RXDADV_HDRBUFLEN_MASK 0x7FE0 |
| 92 | #define E1000_RXDADV_HDRBUFLEN_SHIFT 5 |
| 93 | |
| 94 | /* Transmit Descriptor - Advanced */ |
| 95 | union e1000_adv_tx_desc { |
| 96 | struct { |
| 97 | u64 buffer_addr; /* Address of descriptor's data buf */ |
| 98 | u32 cmd_type_len; |
| 99 | u32 olinfo_status; |
| 100 | } read; |
| 101 | struct { |
| 102 | u64 rsvd; /* Reserved */ |
| 103 | u32 nxtseq_seed; |
| 104 | u32 status; |
| 105 | } wb; |
| 106 | }; |
| 107 | |
| 108 | /* Adv Transmit Descriptor Config Masks */ |
| 109 | #define E1000_ADVTXD_DTYP_CTXT 0x00200000 /* Advanced Context Descriptor */ |
| 110 | #define E1000_ADVTXD_DTYP_DATA 0x00300000 /* Advanced Data Descriptor */ |
| 111 | #define E1000_ADVTXD_DCMD_EOP 0x01000000 /* End of Packet */ |
| 112 | #define E1000_ADVTXD_DCMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */ |
| 113 | #define E1000_ADVTXD_DCMD_RS 0x08000000 /* Report Status */ |
| 114 | #define E1000_ADVTXD_DCMD_DEXT 0x20000000 /* Descriptor extension (1=Adv) */ |
| 115 | #define E1000_ADVTXD_DCMD_VLE 0x40000000 /* VLAN pkt enable */ |
| 116 | #define E1000_ADVTXD_DCMD_TSE 0x80000000 /* TCP Seg enable */ |
| 117 | #define E1000_ADVTXD_PAYLEN_SHIFT 14 /* Adv desc PAYLEN shift */ |
| 118 | |
| 119 | /* Context descriptors */ |
| 120 | struct e1000_adv_tx_context_desc { |
| 121 | u32 vlan_macip_lens; |
| 122 | u32 seqnum_seed; |
| 123 | u32 type_tucmd_mlhl; |
| 124 | u32 mss_l4len_idx; |
| 125 | }; |
| 126 | |
| 127 | #define E1000_ADVTXD_MACLEN_SHIFT 9 /* Adv ctxt desc mac len shift */ |
| 128 | #define E1000_ADVTXD_TUCMD_IPV4 0x00000400 /* IP Packet Type: 1=IPv4 */ |
| 129 | #define E1000_ADVTXD_TUCMD_L4T_TCP 0x00000800 /* L4 Packet TYPE of TCP */ |
| 130 | #define E1000_ADVTXD_L4LEN_SHIFT 8 /* Adv ctxt L4LEN shift */ |
| 131 | #define E1000_ADVTXD_MSS_SHIFT 16 /* Adv ctxt MSS shift */ |
| 132 | |
| 133 | enum e1000_mac_type { |
| 134 | e1000_undefined = 0, |
| 135 | e1000_vfadapt, |
| 136 | e1000_num_macs /* List is 1-based, so subtract 1 for true count. */ |
| 137 | }; |
| 138 | |
| 139 | struct e1000_vf_stats { |
| 140 | u64 base_gprc; |
| 141 | u64 base_gptc; |
| 142 | u64 base_gorc; |
| 143 | u64 base_gotc; |
| 144 | u64 base_mprc; |
| 145 | u64 base_gotlbc; |
| 146 | u64 base_gptlbc; |
| 147 | u64 base_gorlbc; |
| 148 | u64 base_gprlbc; |
| 149 | |
| 150 | u32 last_gprc; |
| 151 | u32 last_gptc; |
| 152 | u32 last_gorc; |
| 153 | u32 last_gotc; |
| 154 | u32 last_mprc; |
| 155 | u32 last_gotlbc; |
| 156 | u32 last_gptlbc; |
| 157 | u32 last_gorlbc; |
| 158 | u32 last_gprlbc; |
| 159 | |
| 160 | u64 gprc; |
| 161 | u64 gptc; |
| 162 | u64 gorc; |
| 163 | u64 gotc; |
| 164 | u64 mprc; |
| 165 | u64 gotlbc; |
| 166 | u64 gptlbc; |
| 167 | u64 gorlbc; |
| 168 | u64 gprlbc; |
| 169 | }; |
| 170 | |
| 171 | #include "mbx.h" |
| 172 | |
| 173 | struct e1000_mac_operations { |
| 174 | /* Function pointers for the MAC. */ |
| 175 | s32 (*init_params)(struct e1000_hw *); |
| 176 | s32 (*check_for_link)(struct e1000_hw *); |
| 177 | void (*clear_vfta)(struct e1000_hw *); |
| 178 | s32 (*get_bus_info)(struct e1000_hw *); |
| 179 | s32 (*get_link_up_info)(struct e1000_hw *, u16 *, u16 *); |
| 180 | void (*update_mc_addr_list)(struct e1000_hw *, u8 *, u32, u32, u32); |
| 181 | s32 (*reset_hw)(struct e1000_hw *); |
| 182 | s32 (*init_hw)(struct e1000_hw *); |
| 183 | s32 (*setup_link)(struct e1000_hw *); |
| 184 | void (*write_vfta)(struct e1000_hw *, u32, u32); |
| 185 | void (*mta_set)(struct e1000_hw *, u32); |
| 186 | void (*rar_set)(struct e1000_hw *, u8*, u32); |
| 187 | s32 (*read_mac_addr)(struct e1000_hw *); |
| 188 | s32 (*set_vfta)(struct e1000_hw *, u16, bool); |
| 189 | }; |
| 190 | |
| 191 | struct e1000_mac_info { |
| 192 | struct e1000_mac_operations ops; |
| 193 | u8 addr[6]; |
| 194 | u8 perm_addr[6]; |
| 195 | |
| 196 | enum e1000_mac_type type; |
| 197 | |
| 198 | u16 mta_reg_count; |
| 199 | u16 rar_entry_count; |
| 200 | |
| 201 | bool get_link_status; |
| 202 | }; |
| 203 | |
| 204 | struct e1000_mbx_operations { |
| 205 | s32 (*init_params)(struct e1000_hw *hw); |
| 206 | s32 (*read)(struct e1000_hw *, u32 *, u16); |
| 207 | s32 (*write)(struct e1000_hw *, u32 *, u16); |
| 208 | s32 (*read_posted)(struct e1000_hw *, u32 *, u16); |
| 209 | s32 (*write_posted)(struct e1000_hw *, u32 *, u16); |
| 210 | s32 (*check_for_msg)(struct e1000_hw *); |
| 211 | s32 (*check_for_ack)(struct e1000_hw *); |
| 212 | s32 (*check_for_rst)(struct e1000_hw *); |
| 213 | }; |
| 214 | |
| 215 | struct e1000_mbx_stats { |
| 216 | u32 msgs_tx; |
| 217 | u32 msgs_rx; |
| 218 | |
| 219 | u32 acks; |
| 220 | u32 reqs; |
| 221 | u32 rsts; |
| 222 | }; |
| 223 | |
| 224 | struct e1000_mbx_info { |
| 225 | struct e1000_mbx_operations ops; |
| 226 | struct e1000_mbx_stats stats; |
| 227 | u32 timeout; |
| 228 | u32 usec_delay; |
| 229 | u16 size; |
| 230 | }; |
| 231 | |
| 232 | struct e1000_dev_spec_vf { |
| 233 | u32 vf_number; |
| 234 | u32 v2p_mailbox; |
| 235 | }; |
| 236 | |
| 237 | struct e1000_hw { |
| 238 | void *back; |
| 239 | |
| 240 | u8 __iomem *hw_addr; |
| 241 | u8 __iomem *flash_address; |
| 242 | unsigned long io_base; |
| 243 | |
| 244 | struct e1000_mac_info mac; |
| 245 | struct e1000_mbx_info mbx; |
| 246 | |
| 247 | union { |
| 248 | struct e1000_dev_spec_vf vf; |
| 249 | } dev_spec; |
| 250 | |
| 251 | u16 device_id; |
| 252 | u16 subsystem_vendor_id; |
| 253 | u16 subsystem_device_id; |
| 254 | u16 vendor_id; |
| 255 | |
| 256 | u8 revision_id; |
| 257 | }; |
| 258 | |
| 259 | /* These functions must be implemented by drivers */ |
| 260 | void e1000_rlpml_set_vf(struct e1000_hw *, u16); |
| 261 | void e1000_init_function_pointers_vf(struct e1000_hw *hw); |
Alexander Duyck | d4e0fe0 | 2009-04-07 14:37:34 +0000 | [diff] [blame] | 262 | |
| 263 | |
| 264 | #endif /* _E1000_VF_H_ */ |