Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the Chelsio T4 Ethernet driver for Linux. |
| 3 | * |
| 4 | * Copyright (c) 2003-2010 Chelsio Communications, Inc. All rights reserved. |
| 5 | * |
| 6 | * This software is available to you under a choice of one of two |
| 7 | * licenses. You may choose to be licensed under the terms of the GNU |
| 8 | * General Public License (GPL) Version 2, available from the file |
| 9 | * COPYING in the main directory of this source tree, or the |
| 10 | * OpenIB.org BSD license below: |
| 11 | * |
| 12 | * Redistribution and use in source and binary forms, with or |
| 13 | * without modification, are permitted provided that the following |
| 14 | * conditions are met: |
| 15 | * |
| 16 | * - Redistributions of source code must retain the above |
| 17 | * copyright notice, this list of conditions and the following |
| 18 | * disclaimer. |
| 19 | * |
| 20 | * - Redistributions in binary form must reproduce the above |
| 21 | * copyright notice, this list of conditions and the following |
| 22 | * disclaimer in the documentation and/or other materials |
| 23 | * provided with the distribution. |
| 24 | * |
| 25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 26 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 27 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 28 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 29 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 30 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 31 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 32 | * SOFTWARE. |
| 33 | */ |
| 34 | |
| 35 | #ifndef __CXGB4_H__ |
| 36 | #define __CXGB4_H__ |
| 37 | |
| 38 | #include <linux/bitops.h> |
| 39 | #include <linux/cache.h> |
| 40 | #include <linux/interrupt.h> |
| 41 | #include <linux/list.h> |
| 42 | #include <linux/netdevice.h> |
| 43 | #include <linux/pci.h> |
| 44 | #include <linux/spinlock.h> |
| 45 | #include <linux/timer.h> |
| 46 | #include <asm/io.h> |
| 47 | #include "cxgb4_uld.h" |
| 48 | #include "t4_hw.h" |
| 49 | |
| 50 | #define FW_VERSION_MAJOR 1 |
| 51 | #define FW_VERSION_MINOR 1 |
| 52 | #define FW_VERSION_MICRO 0 |
| 53 | |
| 54 | enum { |
| 55 | MAX_NPORTS = 4, /* max # of ports */ |
Dimitris Michailidis | 47d54d6 | 2010-04-27 12:24:16 +0000 | [diff] [blame] | 56 | SERNUM_LEN = 24, /* Serial # length */ |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 57 | EC_LEN = 16, /* E/C length */ |
| 58 | ID_LEN = 16, /* ID length */ |
| 59 | }; |
| 60 | |
| 61 | enum { |
| 62 | MEM_EDC0, |
| 63 | MEM_EDC1, |
| 64 | MEM_MC |
| 65 | }; |
| 66 | |
| 67 | enum dev_master { |
| 68 | MASTER_CANT, |
| 69 | MASTER_MAY, |
| 70 | MASTER_MUST |
| 71 | }; |
| 72 | |
| 73 | enum dev_state { |
| 74 | DEV_STATE_UNINIT, |
| 75 | DEV_STATE_INIT, |
| 76 | DEV_STATE_ERR |
| 77 | }; |
| 78 | |
| 79 | enum { |
| 80 | PAUSE_RX = 1 << 0, |
| 81 | PAUSE_TX = 1 << 1, |
| 82 | PAUSE_AUTONEG = 1 << 2 |
| 83 | }; |
| 84 | |
| 85 | struct port_stats { |
| 86 | u64 tx_octets; /* total # of octets in good frames */ |
| 87 | u64 tx_frames; /* all good frames */ |
| 88 | u64 tx_bcast_frames; /* all broadcast frames */ |
| 89 | u64 tx_mcast_frames; /* all multicast frames */ |
| 90 | u64 tx_ucast_frames; /* all unicast frames */ |
| 91 | u64 tx_error_frames; /* all error frames */ |
| 92 | |
| 93 | u64 tx_frames_64; /* # of Tx frames in a particular range */ |
| 94 | u64 tx_frames_65_127; |
| 95 | u64 tx_frames_128_255; |
| 96 | u64 tx_frames_256_511; |
| 97 | u64 tx_frames_512_1023; |
| 98 | u64 tx_frames_1024_1518; |
| 99 | u64 tx_frames_1519_max; |
| 100 | |
| 101 | u64 tx_drop; /* # of dropped Tx frames */ |
| 102 | u64 tx_pause; /* # of transmitted pause frames */ |
| 103 | u64 tx_ppp0; /* # of transmitted PPP prio 0 frames */ |
| 104 | u64 tx_ppp1; /* # of transmitted PPP prio 1 frames */ |
| 105 | u64 tx_ppp2; /* # of transmitted PPP prio 2 frames */ |
| 106 | u64 tx_ppp3; /* # of transmitted PPP prio 3 frames */ |
| 107 | u64 tx_ppp4; /* # of transmitted PPP prio 4 frames */ |
| 108 | u64 tx_ppp5; /* # of transmitted PPP prio 5 frames */ |
| 109 | u64 tx_ppp6; /* # of transmitted PPP prio 6 frames */ |
| 110 | u64 tx_ppp7; /* # of transmitted PPP prio 7 frames */ |
| 111 | |
| 112 | u64 rx_octets; /* total # of octets in good frames */ |
| 113 | u64 rx_frames; /* all good frames */ |
| 114 | u64 rx_bcast_frames; /* all broadcast frames */ |
| 115 | u64 rx_mcast_frames; /* all multicast frames */ |
| 116 | u64 rx_ucast_frames; /* all unicast frames */ |
| 117 | u64 rx_too_long; /* # of frames exceeding MTU */ |
| 118 | u64 rx_jabber; /* # of jabber frames */ |
| 119 | u64 rx_fcs_err; /* # of received frames with bad FCS */ |
| 120 | u64 rx_len_err; /* # of received frames with length error */ |
| 121 | u64 rx_symbol_err; /* symbol errors */ |
| 122 | u64 rx_runt; /* # of short frames */ |
| 123 | |
| 124 | u64 rx_frames_64; /* # of Rx frames in a particular range */ |
| 125 | u64 rx_frames_65_127; |
| 126 | u64 rx_frames_128_255; |
| 127 | u64 rx_frames_256_511; |
| 128 | u64 rx_frames_512_1023; |
| 129 | u64 rx_frames_1024_1518; |
| 130 | u64 rx_frames_1519_max; |
| 131 | |
| 132 | u64 rx_pause; /* # of received pause frames */ |
| 133 | u64 rx_ppp0; /* # of received PPP prio 0 frames */ |
| 134 | u64 rx_ppp1; /* # of received PPP prio 1 frames */ |
| 135 | u64 rx_ppp2; /* # of received PPP prio 2 frames */ |
| 136 | u64 rx_ppp3; /* # of received PPP prio 3 frames */ |
| 137 | u64 rx_ppp4; /* # of received PPP prio 4 frames */ |
| 138 | u64 rx_ppp5; /* # of received PPP prio 5 frames */ |
| 139 | u64 rx_ppp6; /* # of received PPP prio 6 frames */ |
| 140 | u64 rx_ppp7; /* # of received PPP prio 7 frames */ |
| 141 | |
| 142 | u64 rx_ovflow0; /* drops due to buffer-group 0 overflows */ |
| 143 | u64 rx_ovflow1; /* drops due to buffer-group 1 overflows */ |
| 144 | u64 rx_ovflow2; /* drops due to buffer-group 2 overflows */ |
| 145 | u64 rx_ovflow3; /* drops due to buffer-group 3 overflows */ |
| 146 | u64 rx_trunc0; /* buffer-group 0 truncated packets */ |
| 147 | u64 rx_trunc1; /* buffer-group 1 truncated packets */ |
| 148 | u64 rx_trunc2; /* buffer-group 2 truncated packets */ |
| 149 | u64 rx_trunc3; /* buffer-group 3 truncated packets */ |
| 150 | }; |
| 151 | |
| 152 | struct lb_port_stats { |
| 153 | u64 octets; |
| 154 | u64 frames; |
| 155 | u64 bcast_frames; |
| 156 | u64 mcast_frames; |
| 157 | u64 ucast_frames; |
| 158 | u64 error_frames; |
| 159 | |
| 160 | u64 frames_64; |
| 161 | u64 frames_65_127; |
| 162 | u64 frames_128_255; |
| 163 | u64 frames_256_511; |
| 164 | u64 frames_512_1023; |
| 165 | u64 frames_1024_1518; |
| 166 | u64 frames_1519_max; |
| 167 | |
| 168 | u64 drop; |
| 169 | |
| 170 | u64 ovflow0; |
| 171 | u64 ovflow1; |
| 172 | u64 ovflow2; |
| 173 | u64 ovflow3; |
| 174 | u64 trunc0; |
| 175 | u64 trunc1; |
| 176 | u64 trunc2; |
| 177 | u64 trunc3; |
| 178 | }; |
| 179 | |
| 180 | struct tp_tcp_stats { |
| 181 | u32 tcpOutRsts; |
| 182 | u64 tcpInSegs; |
| 183 | u64 tcpOutSegs; |
| 184 | u64 tcpRetransSegs; |
| 185 | }; |
| 186 | |
| 187 | struct tp_err_stats { |
| 188 | u32 macInErrs[4]; |
| 189 | u32 hdrInErrs[4]; |
| 190 | u32 tcpInErrs[4]; |
| 191 | u32 tnlCongDrops[4]; |
| 192 | u32 ofldChanDrops[4]; |
| 193 | u32 tnlTxDrops[4]; |
| 194 | u32 ofldVlanDrops[4]; |
| 195 | u32 tcp6InErrs[4]; |
| 196 | u32 ofldNoNeigh; |
| 197 | u32 ofldCongDefer; |
| 198 | }; |
| 199 | |
| 200 | struct tp_params { |
| 201 | unsigned int ntxchan; /* # of Tx channels */ |
| 202 | unsigned int tre; /* log2 of core clocks per TP tick */ |
| 203 | }; |
| 204 | |
| 205 | struct vpd_params { |
| 206 | unsigned int cclk; |
| 207 | u8 ec[EC_LEN + 1]; |
| 208 | u8 sn[SERNUM_LEN + 1]; |
| 209 | u8 id[ID_LEN + 1]; |
| 210 | }; |
| 211 | |
| 212 | struct pci_params { |
| 213 | unsigned char speed; |
| 214 | unsigned char width; |
| 215 | }; |
| 216 | |
| 217 | struct adapter_params { |
| 218 | struct tp_params tp; |
| 219 | struct vpd_params vpd; |
| 220 | struct pci_params pci; |
| 221 | |
Dimitris Michailidis | 900a659 | 2010-06-18 10:05:27 +0000 | [diff] [blame] | 222 | unsigned int sf_size; /* serial flash size in bytes */ |
| 223 | unsigned int sf_nsec; /* # of flash sectors */ |
| 224 | unsigned int sf_fw_start; /* start of FW image in flash */ |
| 225 | |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 226 | unsigned int fw_vers; |
| 227 | unsigned int tp_vers; |
| 228 | u8 api_vers[7]; |
| 229 | |
| 230 | unsigned short mtus[NMTUS]; |
| 231 | unsigned short a_wnd[NCCTRL_WIN]; |
| 232 | unsigned short b_wnd[NCCTRL_WIN]; |
| 233 | |
| 234 | unsigned char nports; /* # of ethernet ports */ |
| 235 | unsigned char portvec; |
| 236 | unsigned char rev; /* chip revision */ |
| 237 | unsigned char offload; |
| 238 | |
| 239 | unsigned int ofldq_wr_cred; |
| 240 | }; |
| 241 | |
| 242 | struct trace_params { |
| 243 | u32 data[TRACE_LEN / 4]; |
| 244 | u32 mask[TRACE_LEN / 4]; |
| 245 | unsigned short snap_len; |
| 246 | unsigned short min_len; |
| 247 | unsigned char skip_ofst; |
| 248 | unsigned char skip_len; |
| 249 | unsigned char invert; |
| 250 | unsigned char port; |
| 251 | }; |
| 252 | |
| 253 | struct link_config { |
| 254 | unsigned short supported; /* link capabilities */ |
| 255 | unsigned short advertising; /* advertised capabilities */ |
| 256 | unsigned short requested_speed; /* speed user has requested */ |
| 257 | unsigned short speed; /* actual link speed */ |
| 258 | unsigned char requested_fc; /* flow control user has requested */ |
| 259 | unsigned char fc; /* actual link flow control */ |
| 260 | unsigned char autoneg; /* autonegotiating? */ |
| 261 | unsigned char link_ok; /* link up? */ |
| 262 | }; |
| 263 | |
| 264 | #define FW_LEN16(fw_struct) FW_CMD_LEN16(sizeof(fw_struct) / 16) |
| 265 | |
| 266 | enum { |
| 267 | MAX_ETH_QSETS = 32, /* # of Ethernet Tx/Rx queue sets */ |
| 268 | MAX_OFLD_QSETS = 16, /* # of offload Tx/Rx queue sets */ |
| 269 | MAX_CTRL_QUEUES = NCHAN, /* # of control Tx queues */ |
| 270 | MAX_RDMA_QUEUES = NCHAN, /* # of streaming RDMA Rx queues */ |
| 271 | }; |
| 272 | |
| 273 | enum { |
| 274 | MAX_EGRQ = 128, /* max # of egress queues, including FLs */ |
| 275 | MAX_INGQ = 64 /* max # of interrupt-capable ingress queues */ |
| 276 | }; |
| 277 | |
| 278 | struct adapter; |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 279 | struct sge_rspq; |
| 280 | |
| 281 | struct port_info { |
| 282 | struct adapter *adapter; |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 283 | u16 viid; |
| 284 | s16 xact_addr_filt; /* index of exact MAC address filter */ |
| 285 | u16 rss_size; /* size of VI's RSS table slice */ |
| 286 | s8 mdio_addr; |
| 287 | u8 port_type; |
| 288 | u8 mod_type; |
| 289 | u8 port_id; |
| 290 | u8 tx_chan; |
| 291 | u8 lport; /* associated offload logical port */ |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 292 | u8 nqsets; /* # of qsets */ |
| 293 | u8 first_qset; /* index of first qset */ |
Dimitris Michailidis | f796564 | 2010-07-11 12:01:18 +0000 | [diff] [blame] | 294 | u8 rss_mode; |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 295 | struct link_config link_cfg; |
Dimitris Michailidis | 671b006 | 2010-07-11 12:01:17 +0000 | [diff] [blame] | 296 | u16 *rss; |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 297 | }; |
| 298 | |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 299 | struct dentry; |
| 300 | struct work_struct; |
| 301 | |
| 302 | enum { /* adapter flags */ |
| 303 | FULL_INIT_DONE = (1 << 0), |
| 304 | USING_MSI = (1 << 1), |
| 305 | USING_MSIX = (1 << 2), |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 306 | FW_OK = (1 << 4), |
| 307 | }; |
| 308 | |
| 309 | struct rx_sw_desc; |
| 310 | |
| 311 | struct sge_fl { /* SGE free-buffer queue state */ |
| 312 | unsigned int avail; /* # of available Rx buffers */ |
| 313 | unsigned int pend_cred; /* new buffers since last FL DB ring */ |
| 314 | unsigned int cidx; /* consumer index */ |
| 315 | unsigned int pidx; /* producer index */ |
| 316 | unsigned long alloc_failed; /* # of times buffer allocation failed */ |
| 317 | unsigned long large_alloc_failed; |
| 318 | unsigned long starving; |
| 319 | /* RO fields */ |
| 320 | unsigned int cntxt_id; /* SGE context id for the free list */ |
| 321 | unsigned int size; /* capacity of free list */ |
| 322 | struct rx_sw_desc *sdesc; /* address of SW Rx descriptor ring */ |
| 323 | __be64 *desc; /* address of HW Rx descriptor ring */ |
| 324 | dma_addr_t addr; /* bus address of HW ring start */ |
| 325 | }; |
| 326 | |
| 327 | /* A packet gather list */ |
| 328 | struct pkt_gl { |
| 329 | skb_frag_t frags[MAX_SKB_FRAGS]; |
| 330 | void *va; /* virtual address of first byte */ |
| 331 | unsigned int nfrags; /* # of fragments */ |
| 332 | unsigned int tot_len; /* total length of fragments */ |
| 333 | }; |
| 334 | |
| 335 | typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp, |
| 336 | const struct pkt_gl *gl); |
| 337 | |
| 338 | struct sge_rspq { /* state for an SGE response queue */ |
| 339 | struct napi_struct napi; |
| 340 | const __be64 *cur_desc; /* current descriptor in queue */ |
| 341 | unsigned int cidx; /* consumer index */ |
| 342 | u8 gen; /* current generation bit */ |
| 343 | u8 intr_params; /* interrupt holdoff parameters */ |
| 344 | u8 next_intr_params; /* holdoff params for next interrupt */ |
| 345 | u8 pktcnt_idx; /* interrupt packet threshold */ |
| 346 | u8 uld; /* ULD handling this queue */ |
| 347 | u8 idx; /* queue index within its group */ |
| 348 | int offset; /* offset into current Rx buffer */ |
| 349 | u16 cntxt_id; /* SGE context id for the response q */ |
| 350 | u16 abs_id; /* absolute SGE id for the response q */ |
| 351 | __be64 *desc; /* address of HW response ring */ |
| 352 | dma_addr_t phys_addr; /* physical address of the ring */ |
| 353 | unsigned int iqe_len; /* entry size */ |
| 354 | unsigned int size; /* capacity of response queue */ |
| 355 | struct adapter *adap; |
| 356 | struct net_device *netdev; /* associated net device */ |
| 357 | rspq_handler_t handler; |
| 358 | }; |
| 359 | |
| 360 | struct sge_eth_stats { /* Ethernet queue statistics */ |
| 361 | unsigned long pkts; /* # of ethernet packets */ |
| 362 | unsigned long lro_pkts; /* # of LRO super packets */ |
| 363 | unsigned long lro_merged; /* # of wire packets merged by LRO */ |
| 364 | unsigned long rx_cso; /* # of Rx checksum offloads */ |
| 365 | unsigned long vlan_ex; /* # of Rx VLAN extractions */ |
| 366 | unsigned long rx_drops; /* # of packets dropped due to no mem */ |
| 367 | }; |
| 368 | |
| 369 | struct sge_eth_rxq { /* SW Ethernet Rx queue */ |
| 370 | struct sge_rspq rspq; |
| 371 | struct sge_fl fl; |
| 372 | struct sge_eth_stats stats; |
| 373 | } ____cacheline_aligned_in_smp; |
| 374 | |
| 375 | struct sge_ofld_stats { /* offload queue statistics */ |
| 376 | unsigned long pkts; /* # of packets */ |
| 377 | unsigned long imm; /* # of immediate-data packets */ |
| 378 | unsigned long an; /* # of asynchronous notifications */ |
| 379 | unsigned long nomem; /* # of responses deferred due to no mem */ |
| 380 | }; |
| 381 | |
| 382 | struct sge_ofld_rxq { /* SW offload Rx queue */ |
| 383 | struct sge_rspq rspq; |
| 384 | struct sge_fl fl; |
| 385 | struct sge_ofld_stats stats; |
| 386 | } ____cacheline_aligned_in_smp; |
| 387 | |
| 388 | struct tx_desc { |
| 389 | __be64 flit[8]; |
| 390 | }; |
| 391 | |
| 392 | struct tx_sw_desc; |
| 393 | |
| 394 | struct sge_txq { |
| 395 | unsigned int in_use; /* # of in-use Tx descriptors */ |
| 396 | unsigned int size; /* # of descriptors */ |
| 397 | unsigned int cidx; /* SW consumer index */ |
| 398 | unsigned int pidx; /* producer index */ |
| 399 | unsigned long stops; /* # of times q has been stopped */ |
| 400 | unsigned long restarts; /* # of queue restarts */ |
| 401 | unsigned int cntxt_id; /* SGE context id for the Tx q */ |
| 402 | struct tx_desc *desc; /* address of HW Tx descriptor ring */ |
| 403 | struct tx_sw_desc *sdesc; /* address of SW Tx descriptor ring */ |
| 404 | struct sge_qstat *stat; /* queue status entry */ |
| 405 | dma_addr_t phys_addr; /* physical address of the ring */ |
| 406 | }; |
| 407 | |
| 408 | struct sge_eth_txq { /* state for an SGE Ethernet Tx queue */ |
| 409 | struct sge_txq q; |
| 410 | struct netdev_queue *txq; /* associated netdev TX queue */ |
| 411 | unsigned long tso; /* # of TSO requests */ |
| 412 | unsigned long tx_cso; /* # of Tx checksum offloads */ |
| 413 | unsigned long vlan_ins; /* # of Tx VLAN insertions */ |
| 414 | unsigned long mapping_err; /* # of I/O MMU packet mapping errors */ |
| 415 | } ____cacheline_aligned_in_smp; |
| 416 | |
| 417 | struct sge_ofld_txq { /* state for an SGE offload Tx queue */ |
| 418 | struct sge_txq q; |
| 419 | struct adapter *adap; |
| 420 | struct sk_buff_head sendq; /* list of backpressured packets */ |
| 421 | struct tasklet_struct qresume_tsk; /* restarts the queue */ |
| 422 | u8 full; /* the Tx ring is full */ |
| 423 | unsigned long mapping_err; /* # of I/O MMU packet mapping errors */ |
| 424 | } ____cacheline_aligned_in_smp; |
| 425 | |
| 426 | struct sge_ctrl_txq { /* state for an SGE control Tx queue */ |
| 427 | struct sge_txq q; |
| 428 | struct adapter *adap; |
| 429 | struct sk_buff_head sendq; /* list of backpressured packets */ |
| 430 | struct tasklet_struct qresume_tsk; /* restarts the queue */ |
| 431 | u8 full; /* the Tx ring is full */ |
| 432 | } ____cacheline_aligned_in_smp; |
| 433 | |
| 434 | struct sge { |
| 435 | struct sge_eth_txq ethtxq[MAX_ETH_QSETS]; |
| 436 | struct sge_ofld_txq ofldtxq[MAX_OFLD_QSETS]; |
| 437 | struct sge_ctrl_txq ctrlq[MAX_CTRL_QUEUES]; |
| 438 | |
| 439 | struct sge_eth_rxq ethrxq[MAX_ETH_QSETS]; |
| 440 | struct sge_ofld_rxq ofldrxq[MAX_OFLD_QSETS]; |
| 441 | struct sge_ofld_rxq rdmarxq[MAX_RDMA_QUEUES]; |
| 442 | struct sge_rspq fw_evtq ____cacheline_aligned_in_smp; |
| 443 | |
| 444 | struct sge_rspq intrq ____cacheline_aligned_in_smp; |
| 445 | spinlock_t intrq_lock; |
| 446 | |
| 447 | u16 max_ethqsets; /* # of available Ethernet queue sets */ |
| 448 | u16 ethqsets; /* # of active Ethernet queue sets */ |
| 449 | u16 ethtxq_rover; /* Tx queue to clean up next */ |
| 450 | u16 ofldqsets; /* # of active offload queue sets */ |
| 451 | u16 rdmaqs; /* # of available RDMA Rx queues */ |
| 452 | u16 ofld_rxq[MAX_OFLD_QSETS]; |
| 453 | u16 rdma_rxq[NCHAN]; |
| 454 | u16 timer_val[SGE_NTIMERS]; |
| 455 | u8 counter_val[SGE_NCOUNTERS]; |
| 456 | unsigned int starve_thres; |
| 457 | u8 idma_state[2]; |
Dimitris Michailidis | e46dab4 | 2010-08-23 17:20:58 +0000 | [diff] [blame] | 458 | unsigned int egr_start; |
| 459 | unsigned int ingr_start; |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 460 | void *egr_map[MAX_EGRQ]; /* qid->queue egress queue map */ |
| 461 | struct sge_rspq *ingr_map[MAX_INGQ]; /* qid->queue ingress queue map */ |
| 462 | DECLARE_BITMAP(starving_fl, MAX_EGRQ); |
| 463 | DECLARE_BITMAP(txq_maperr, MAX_EGRQ); |
| 464 | struct timer_list rx_timer; /* refills starving FLs */ |
| 465 | struct timer_list tx_timer; /* checks Tx queues */ |
| 466 | }; |
| 467 | |
| 468 | #define for_each_ethrxq(sge, i) for (i = 0; i < (sge)->ethqsets; i++) |
| 469 | #define for_each_ofldrxq(sge, i) for (i = 0; i < (sge)->ofldqsets; i++) |
| 470 | #define for_each_rdmarxq(sge, i) for (i = 0; i < (sge)->rdmaqs; i++) |
| 471 | |
| 472 | struct l2t_data; |
| 473 | |
| 474 | struct adapter { |
| 475 | void __iomem *regs; |
| 476 | struct pci_dev *pdev; |
| 477 | struct device *pdev_dev; |
Dimitris Michailidis | 060e0c7 | 2010-08-02 13:19:21 +0000 | [diff] [blame] | 478 | unsigned int fn; |
| 479 | unsigned int flags; |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 480 | |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 481 | int msg_enable; |
| 482 | |
| 483 | struct adapter_params params; |
| 484 | struct cxgb4_virt_res vres; |
| 485 | unsigned int swintr; |
| 486 | |
| 487 | unsigned int wol; |
| 488 | |
| 489 | struct { |
| 490 | unsigned short vec; |
Dimitris Michailidis | 8cd18ac | 2010-12-14 21:36:49 +0000 | [diff] [blame] | 491 | char desc[IFNAMSIZ + 10]; |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 492 | } msix_info[MAX_INGQ + 1]; |
| 493 | |
| 494 | struct sge sge; |
| 495 | |
| 496 | struct net_device *port[MAX_NPORTS]; |
| 497 | u8 chan_map[NCHAN]; /* channel -> port map */ |
| 498 | |
| 499 | struct l2t_data *l2t; |
| 500 | void *uld_handle[CXGB4_ULD_MAX]; |
| 501 | struct list_head list_node; |
| 502 | |
| 503 | struct tid_info tids; |
| 504 | void **tid_release_head; |
| 505 | spinlock_t tid_release_lock; |
| 506 | struct work_struct tid_release_task; |
| 507 | bool tid_release_task_busy; |
| 508 | |
| 509 | struct dentry *debugfs_root; |
| 510 | |
| 511 | spinlock_t stats_lock; |
| 512 | }; |
| 513 | |
| 514 | static inline u32 t4_read_reg(struct adapter *adap, u32 reg_addr) |
| 515 | { |
| 516 | return readl(adap->regs + reg_addr); |
| 517 | } |
| 518 | |
| 519 | static inline void t4_write_reg(struct adapter *adap, u32 reg_addr, u32 val) |
| 520 | { |
| 521 | writel(val, adap->regs + reg_addr); |
| 522 | } |
| 523 | |
| 524 | #ifndef readq |
| 525 | static inline u64 readq(const volatile void __iomem *addr) |
| 526 | { |
| 527 | return readl(addr) + ((u64)readl(addr + 4) << 32); |
| 528 | } |
| 529 | |
| 530 | static inline void writeq(u64 val, volatile void __iomem *addr) |
| 531 | { |
| 532 | writel(val, addr); |
| 533 | writel(val >> 32, addr + 4); |
| 534 | } |
| 535 | #endif |
| 536 | |
| 537 | static inline u64 t4_read_reg64(struct adapter *adap, u32 reg_addr) |
| 538 | { |
| 539 | return readq(adap->regs + reg_addr); |
| 540 | } |
| 541 | |
| 542 | static inline void t4_write_reg64(struct adapter *adap, u32 reg_addr, u64 val) |
| 543 | { |
| 544 | writeq(val, adap->regs + reg_addr); |
| 545 | } |
| 546 | |
| 547 | /** |
| 548 | * netdev2pinfo - return the port_info structure associated with a net_device |
| 549 | * @dev: the netdev |
| 550 | * |
| 551 | * Return the struct port_info associated with a net_device |
| 552 | */ |
| 553 | static inline struct port_info *netdev2pinfo(const struct net_device *dev) |
| 554 | { |
| 555 | return netdev_priv(dev); |
| 556 | } |
| 557 | |
| 558 | /** |
| 559 | * adap2pinfo - return the port_info of a port |
| 560 | * @adap: the adapter |
| 561 | * @idx: the port index |
| 562 | * |
| 563 | * Return the port_info structure for the port of the given index. |
| 564 | */ |
| 565 | static inline struct port_info *adap2pinfo(struct adapter *adap, int idx) |
| 566 | { |
| 567 | return netdev_priv(adap->port[idx]); |
| 568 | } |
| 569 | |
| 570 | /** |
| 571 | * netdev2adap - return the adapter structure associated with a net_device |
| 572 | * @dev: the netdev |
| 573 | * |
| 574 | * Return the struct adapter associated with a net_device |
| 575 | */ |
| 576 | static inline struct adapter *netdev2adap(const struct net_device *dev) |
| 577 | { |
| 578 | return netdev2pinfo(dev)->adapter; |
| 579 | } |
| 580 | |
| 581 | void t4_os_portmod_changed(const struct adapter *adap, int port_id); |
| 582 | void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat); |
| 583 | |
| 584 | void *t4_alloc_mem(size_t size); |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 585 | |
| 586 | void t4_free_sge_resources(struct adapter *adap); |
| 587 | irq_handler_t t4_intr_handler(struct adapter *adap); |
| 588 | netdev_tx_t t4_eth_xmit(struct sk_buff *skb, struct net_device *dev); |
| 589 | int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp, |
| 590 | const struct pkt_gl *gl); |
| 591 | int t4_mgmt_tx(struct adapter *adap, struct sk_buff *skb); |
| 592 | int t4_ofld_send(struct adapter *adap, struct sk_buff *skb); |
| 593 | int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq, |
| 594 | struct net_device *dev, int intr_idx, |
| 595 | struct sge_fl *fl, rspq_handler_t hnd); |
| 596 | int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq, |
| 597 | struct net_device *dev, struct netdev_queue *netdevq, |
| 598 | unsigned int iqid); |
| 599 | int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq, |
| 600 | struct net_device *dev, unsigned int iqid, |
| 601 | unsigned int cmplqid); |
| 602 | int t4_sge_alloc_ofld_txq(struct adapter *adap, struct sge_ofld_txq *txq, |
| 603 | struct net_device *dev, unsigned int iqid); |
| 604 | irqreturn_t t4_sge_intr_msix(int irq, void *cookie); |
| 605 | void t4_sge_init(struct adapter *adap); |
| 606 | void t4_sge_start(struct adapter *adap); |
| 607 | void t4_sge_stop(struct adapter *adap); |
| 608 | |
| 609 | #define for_each_port(adapter, iter) \ |
| 610 | for (iter = 0; iter < (adapter)->params.nports; ++iter) |
| 611 | |
| 612 | static inline unsigned int core_ticks_per_usec(const struct adapter *adap) |
| 613 | { |
| 614 | return adap->params.vpd.cclk / 1000; |
| 615 | } |
| 616 | |
| 617 | static inline unsigned int us_to_core_ticks(const struct adapter *adap, |
| 618 | unsigned int us) |
| 619 | { |
| 620 | return (us * adap->params.vpd.cclk) / 1000; |
| 621 | } |
| 622 | |
| 623 | void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask, |
| 624 | u32 val); |
| 625 | |
| 626 | int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size, |
| 627 | void *rpl, bool sleep_ok); |
| 628 | |
| 629 | static inline int t4_wr_mbox(struct adapter *adap, int mbox, const void *cmd, |
| 630 | int size, void *rpl) |
| 631 | { |
| 632 | return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, true); |
| 633 | } |
| 634 | |
| 635 | static inline int t4_wr_mbox_ns(struct adapter *adap, int mbox, const void *cmd, |
| 636 | int size, void *rpl) |
| 637 | { |
| 638 | return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, false); |
| 639 | } |
| 640 | |
| 641 | void t4_intr_enable(struct adapter *adapter); |
| 642 | void t4_intr_disable(struct adapter *adapter); |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 643 | int t4_slow_intr_handler(struct adapter *adapter); |
| 644 | |
Dimitris Michailidis | 204dc3c | 2010-06-18 10:05:29 +0000 | [diff] [blame] | 645 | int t4_wait_dev_ready(struct adapter *adap); |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 646 | int t4_link_start(struct adapter *adap, unsigned int mbox, unsigned int port, |
| 647 | struct link_config *lc); |
| 648 | int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port); |
| 649 | int t4_seeprom_wp(struct adapter *adapter, bool enable); |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 650 | int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size); |
| 651 | int t4_check_fw_version(struct adapter *adapter); |
| 652 | int t4_prep_adapter(struct adapter *adapter); |
| 653 | int t4_port_init(struct adapter *adap, int mbox, int pf, int vf); |
| 654 | void t4_fatal_err(struct adapter *adapter); |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 655 | int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid, |
| 656 | int start, int n, const u16 *rspq, unsigned int nrspq); |
| 657 | int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode, |
| 658 | unsigned int flags); |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 659 | int t4_mc_read(struct adapter *adap, u32 addr, __be32 *data, u64 *parity); |
| 660 | int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, |
| 661 | u64 *parity); |
| 662 | |
| 663 | void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p); |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 664 | void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log); |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 665 | void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4, |
| 666 | struct tp_tcp_stats *v6); |
| 667 | void t4_load_mtus(struct adapter *adap, const unsigned short *mtus, |
| 668 | const unsigned short *alpha, const unsigned short *beta); |
| 669 | |
| 670 | void t4_wol_magic_enable(struct adapter *adap, unsigned int port, |
| 671 | const u8 *addr); |
| 672 | int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map, |
| 673 | u64 mask0, u64 mask1, unsigned int crc, bool enable); |
| 674 | |
| 675 | int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox, |
| 676 | enum dev_master master, enum dev_state *state); |
| 677 | int t4_fw_bye(struct adapter *adap, unsigned int mbox); |
| 678 | int t4_early_init(struct adapter *adap, unsigned int mbox); |
| 679 | int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset); |
| 680 | int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf, |
| 681 | unsigned int vf, unsigned int nparams, const u32 *params, |
| 682 | u32 *val); |
| 683 | int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf, |
| 684 | unsigned int vf, unsigned int nparams, const u32 *params, |
| 685 | const u32 *val); |
| 686 | int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf, |
| 687 | unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl, |
| 688 | unsigned int rxqi, unsigned int rxq, unsigned int tc, |
| 689 | unsigned int vi, unsigned int cmask, unsigned int pmask, |
| 690 | unsigned int nexact, unsigned int rcaps, unsigned int wxcaps); |
| 691 | int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port, |
| 692 | unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac, |
| 693 | unsigned int *rss_size); |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 694 | int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid, |
Dimitris Michailidis | f8f5aaf | 2010-05-10 15:58:07 +0000 | [diff] [blame] | 695 | int mtu, int promisc, int all_multi, int bcast, int vlanex, |
| 696 | bool sleep_ok); |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 697 | int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox, |
| 698 | unsigned int viid, bool free, unsigned int naddr, |
| 699 | const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok); |
| 700 | int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid, |
| 701 | int idx, const u8 *addr, bool persist, bool add_smt); |
| 702 | int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid, |
| 703 | bool ucast, u64 vec, bool sleep_ok); |
| 704 | int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid, |
| 705 | bool rx_en, bool tx_en); |
| 706 | int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid, |
| 707 | unsigned int nblinks); |
| 708 | int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr, |
| 709 | unsigned int mmd, unsigned int reg, u16 *valp); |
| 710 | int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr, |
| 711 | unsigned int mmd, unsigned int reg, u16 val); |
Dimitris Michailidis | 625ba2c | 2010-04-01 15:28:25 +0000 | [diff] [blame] | 712 | int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, |
| 713 | unsigned int vf, unsigned int iqtype, unsigned int iqid, |
| 714 | unsigned int fl0id, unsigned int fl1id); |
| 715 | int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, |
| 716 | unsigned int vf, unsigned int eqid); |
| 717 | int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, |
| 718 | unsigned int vf, unsigned int eqid); |
| 719 | int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, |
| 720 | unsigned int vf, unsigned int eqid); |
| 721 | int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl); |
| 722 | #endif /* __CXGB4_H__ */ |