1 /***************************************************************************** 2 * * 3 * File: common.h * 4 * $Revision: 1.21 $ * 5 * $Date: 2005/06/22 00:43:25 $ * 6 * Description: * 7 * part of the Chelsio 10Gb Ethernet Driver. * 8 * * 9 * This program is free software; you can redistribute it and/or modify * 10 * it under the terms of the GNU General Public License, version 2, as * 11 * published by the Free Software Foundation. * 12 * * 13 * You should have received a copy of the GNU General Public License along * 14 * with this program; if not, see <http://www.gnu.org/licenses/>. * 15 * * 16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * 17 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * 19 * * 20 * http://www.chelsio.com * 21 * * 22 * Copyright (c) 2003 - 2005 Chelsio Communications, Inc. * 23 * All rights reserved. * 24 * * 25 * Maintainers: maintainers@chelsio.com * 26 * * 27 * Authors: Dimitrios Michailidis <dm@chelsio.com> * 28 * Tina Yang <tainay@chelsio.com> * 29 * Felix Marti <felix@chelsio.com> * 30 * Scott Bardone <sbardone@chelsio.com> * 31 * Kurt Ottaway <kottaway@chelsio.com> * 32 * Frank DiMambro <frank@chelsio.com> * 33 * * 34 * History: * 35 * * 36 ****************************************************************************/ 37 38 #define pr_fmt(fmt) "cxgb: " fmt 39 40 #ifndef _CXGB_COMMON_H_ 41 #define _CXGB_COMMON_H_ 42 43 #include <linux/module.h> 44 #include <linux/netdevice.h> 45 #include <linux/types.h> 46 #include <linux/delay.h> 47 #include <linux/pci.h> 48 #include <linux/ethtool.h> 49 #include <linux/if_vlan.h> 50 #include <linux/mdio.h> 51 #include <linux/crc32.h> 52 #include <linux/slab.h> 53 #include <asm/io.h> 54 #include <linux/pci_ids.h> 55 56 #define DRV_DESCRIPTION "Chelsio 10Gb Ethernet Driver" 57 #define DRV_NAME "cxgb" 58 #define DRV_VERSION "2.2" 59 60 #define CH_DEVICE(devid, ssid, idx) \ 61 { PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, ssid, 0, 0, idx } 62 63 #define SUPPORTED_PAUSE (1 << 13) 64 #define SUPPORTED_LOOPBACK (1 << 15) 65 66 #define ADVERTISED_PAUSE (1 << 13) 67 #define ADVERTISED_ASYM_PAUSE (1 << 14) 68 69 typedef struct adapter adapter_t; 70 71 struct t1_rx_mode { 72 struct net_device *dev; 73 }; 74 75 #define t1_rx_mode_promisc(rm) (rm->dev->flags & IFF_PROMISC) 76 #define t1_rx_mode_allmulti(rm) (rm->dev->flags & IFF_ALLMULTI) 77 #define t1_rx_mode_mc_cnt(rm) (netdev_mc_count(rm->dev)) 78 #define t1_get_netdev(rm) (rm->dev) 79 80 #define MAX_NPORTS 4 81 #define PORT_MASK ((1 << MAX_NPORTS) - 1) 82 #define NMTUS 8 83 #define TCB_SIZE 128 84 85 #define SPEED_INVALID 0xffff 86 #define DUPLEX_INVALID 0xff 87 88 enum { 89 CHBT_BOARD_N110, 90 CHBT_BOARD_N210, 91 CHBT_BOARD_7500, 92 CHBT_BOARD_8000, 93 CHBT_BOARD_CHT101, 94 CHBT_BOARD_CHT110, 95 CHBT_BOARD_CHT210, 96 CHBT_BOARD_CHT204, 97 CHBT_BOARD_CHT204V, 98 CHBT_BOARD_CHT204E, 99 CHBT_BOARD_CHN204, 100 CHBT_BOARD_COUGAR, 101 CHBT_BOARD_6800, 102 CHBT_BOARD_SIMUL, 103 }; 104 105 enum { 106 CHBT_TERM_FPGA, 107 CHBT_TERM_T1, 108 CHBT_TERM_T2, 109 CHBT_TERM_T3 110 }; 111 112 enum { 113 CHBT_MAC_CHELSIO_A, 114 CHBT_MAC_IXF1010, 115 CHBT_MAC_PM3393, 116 CHBT_MAC_VSC7321, 117 CHBT_MAC_DUMMY 118 }; 119 120 enum { 121 CHBT_PHY_88E1041, 122 CHBT_PHY_88E1111, 123 CHBT_PHY_88X2010, 124 CHBT_PHY_XPAK, 125 CHBT_PHY_MY3126, 126 CHBT_PHY_8244, 127 CHBT_PHY_DUMMY 128 }; 129 130 enum { 131 PAUSE_RX = 1 << 0, 132 PAUSE_TX = 1 << 1, 133 PAUSE_AUTONEG = 1 << 2 134 }; 135 136 /* Revisions of T1 chip */ 137 enum { 138 TERM_T1A = 0, 139 TERM_T1B = 1, 140 TERM_T2 = 3 141 }; 142 143 struct sge_params { 144 unsigned int cmdQ_size[2]; 145 unsigned int freelQ_size[2]; 146 unsigned int large_buf_capacity; 147 unsigned int rx_coalesce_usecs; 148 unsigned int last_rx_coalesce_raw; 149 unsigned int default_rx_coalesce_usecs; 150 unsigned int sample_interval_usecs; 151 unsigned int coalesce_enable; 152 unsigned int polling; 153 }; 154 155 struct chelsio_pci_params { 156 unsigned short speed; 157 unsigned char width; 158 unsigned char is_pcix; 159 }; 160 161 struct tp_params { 162 unsigned int pm_size; 163 unsigned int cm_size; 164 unsigned int pm_rx_base; 165 unsigned int pm_tx_base; 166 unsigned int pm_rx_pg_size; 167 unsigned int pm_tx_pg_size; 168 unsigned int pm_rx_num_pgs; 169 unsigned int pm_tx_num_pgs; 170 unsigned int rx_coalescing_size; 171 unsigned int use_5tuple_mode; 172 }; 173 174 struct mc5_params { 175 unsigned int mode; /* selects MC5 width */ 176 unsigned int nservers; /* size of server region */ 177 unsigned int nroutes; /* size of routing region */ 178 }; 179 180 /* Default MC5 region sizes */ 181 #define DEFAULT_SERVER_REGION_LEN 256 182 #define DEFAULT_RT_REGION_LEN 1024 183 184 struct adapter_params { 185 struct sge_params sge; 186 struct mc5_params mc5; 187 struct tp_params tp; 188 struct chelsio_pci_params pci; 189 190 const struct board_info *brd_info; 191 192 unsigned short mtus[NMTUS]; 193 unsigned int nports; /* # of ethernet ports */ 194 unsigned int stats_update_period; 195 unsigned short chip_revision; 196 unsigned char chip_version; 197 unsigned char is_asic; 198 unsigned char has_msi; 199 }; 200 201 struct link_config { 202 unsigned int supported; /* link capabilities */ 203 unsigned int advertising; /* advertised capabilities */ 204 unsigned short requested_speed; /* speed user has requested */ 205 unsigned short speed; /* actual link speed */ 206 unsigned char requested_duplex; /* duplex user has requested */ 207 unsigned char duplex; /* actual link duplex */ 208 unsigned char requested_fc; /* flow control user has requested */ 209 unsigned char fc; /* actual link flow control */ 210 unsigned char autoneg; /* autonegotiating? */ 211 }; 212 213 struct cmac; 214 struct cphy; 215 216 struct port_info { 217 struct net_device *dev; 218 struct cmac *mac; 219 struct cphy *phy; 220 struct link_config link_config; 221 struct net_device_stats netstats; 222 }; 223 224 struct sge; 225 struct peespi; 226 227 struct adapter { 228 u8 __iomem *regs; 229 struct pci_dev *pdev; 230 unsigned long registered_device_map; 231 unsigned long open_device_map; 232 unsigned long flags; 233 234 const char *name; 235 int msg_enable; 236 u32 mmio_len; 237 238 struct work_struct ext_intr_handler_task; 239 struct adapter_params params; 240 241 /* Terminator modules. */ 242 struct sge *sge; 243 struct peespi *espi; 244 struct petp *tp; 245 246 struct napi_struct napi; 247 struct port_info port[MAX_NPORTS]; 248 struct delayed_work stats_update_task; 249 struct timer_list stats_update_timer; 250 251 spinlock_t tpi_lock; 252 spinlock_t work_lock; 253 spinlock_t mac_lock; 254 255 /* guards async operations */ 256 spinlock_t async_lock ____cacheline_aligned; 257 u32 slow_intr_mask; 258 int t1powersave; 259 }; 260 261 enum { /* adapter flags */ 262 FULL_INIT_DONE = 1 << 0, 263 }; 264 265 struct mdio_ops; 266 struct gmac; 267 struct gphy; 268 269 struct board_info { 270 unsigned char board; 271 unsigned char port_number; 272 unsigned long caps; 273 unsigned char chip_term; 274 unsigned char chip_mac; 275 unsigned char chip_phy; 276 unsigned int clock_core; 277 unsigned int clock_mc3; 278 unsigned int clock_mc4; 279 unsigned int espi_nports; 280 unsigned int clock_elmer0; 281 unsigned char mdio_mdien; 282 unsigned char mdio_mdiinv; 283 unsigned char mdio_mdc; 284 unsigned char mdio_phybaseaddr; 285 const struct gmac *gmac; 286 const struct gphy *gphy; 287 const struct mdio_ops *mdio_ops; 288 const char *desc; 289 }; 290 291 static inline int t1_is_asic(const adapter_t *adapter) 292 { 293 return adapter->params.is_asic; 294 } 295 296 extern const struct pci_device_id t1_pci_tbl[]; 297 298 static inline int adapter_matches_type(const adapter_t *adapter, 299 int version, int revision) 300 { 301 return adapter->params.chip_version == version && 302 adapter->params.chip_revision == revision; 303 } 304 305 #define t1_is_T1B(adap) adapter_matches_type(adap, CHBT_TERM_T1, TERM_T1B) 306 #define is_T2(adap) adapter_matches_type(adap, CHBT_TERM_T2, TERM_T2) 307 308 /* Returns true if an adapter supports VLAN acceleration and TSO */ 309 static inline int vlan_tso_capable(const adapter_t *adapter) 310 { 311 return !t1_is_T1B(adapter); 312 } 313 314 #define for_each_port(adapter, iter) \ 315 for (iter = 0; iter < (adapter)->params.nports; ++iter) 316 317 #define board_info(adapter) ((adapter)->params.brd_info) 318 #define is_10G(adapter) (board_info(adapter)->caps & SUPPORTED_10000baseT_Full) 319 320 static inline unsigned int core_ticks_per_usec(const adapter_t *adap) 321 { 322 return board_info(adap)->clock_core / 1000000; 323 } 324 325 int __t1_tpi_read(adapter_t *adapter, u32 addr, u32 *valp); 326 int __t1_tpi_write(adapter_t *adapter, u32 addr, u32 value); 327 int t1_tpi_write(adapter_t *adapter, u32 addr, u32 value); 328 int t1_tpi_read(adapter_t *adapter, u32 addr, u32 *value); 329 330 void t1_interrupts_enable(adapter_t *adapter); 331 void t1_interrupts_disable(adapter_t *adapter); 332 void t1_interrupts_clear(adapter_t *adapter); 333 int t1_elmer0_ext_intr_handler(adapter_t *adapter); 334 void t1_elmer0_ext_intr(adapter_t *adapter); 335 int t1_slow_intr_handler(adapter_t *adapter); 336 337 int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc); 338 const struct board_info *t1_get_board_info(unsigned int board_id); 339 const struct board_info *t1_get_board_info_from_ids(unsigned int devid, 340 unsigned short ssid); 341 int t1_seeprom_read(adapter_t *adapter, u32 addr, __le32 *data); 342 int t1_get_board_rev(adapter_t *adapter, const struct board_info *bi, 343 struct adapter_params *p); 344 int t1_init_hw_modules(adapter_t *adapter); 345 int t1_init_sw_modules(adapter_t *adapter, const struct board_info *bi); 346 void t1_free_sw_modules(adapter_t *adapter); 347 void t1_fatal_err(adapter_t *adapter); 348 void t1_link_changed(adapter_t *adapter, int port_id); 349 void t1_link_negotiated(adapter_t *adapter, int port_id, int link_stat, 350 int speed, int duplex, int pause); 351 #endif /* _CXGB_COMMON_H_ */ 352