Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. |
| 3 | * All rights reserved |
| 4 | * www.brocade.com |
| 5 | * |
| 6 | * Linux driver for Brocade Fibre Channel Host Bus Adapter. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License (GPL) Version 2 as |
| 10 | * published by the Free Software Foundation |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, but |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | */ |
| 17 | |
| 18 | #include <bfa.h> |
| 19 | #include <defs/bfa_defs_pci.h> |
| 20 | #include <cs/bfa_debug.h> |
| 21 | #include <bfa_iocfc.h> |
| 22 | |
| 23 | #define DEF_CFG_NUM_FABRICS 1 |
| 24 | #define DEF_CFG_NUM_LPORTS 256 |
| 25 | #define DEF_CFG_NUM_CQS 4 |
| 26 | #define DEF_CFG_NUM_IOIM_REQS (BFA_IOIM_MAX) |
| 27 | #define DEF_CFG_NUM_TSKIM_REQS 128 |
| 28 | #define DEF_CFG_NUM_FCXP_REQS 64 |
| 29 | #define DEF_CFG_NUM_UF_BUFS 64 |
| 30 | #define DEF_CFG_NUM_RPORTS 1024 |
| 31 | #define DEF_CFG_NUM_ITNIMS (DEF_CFG_NUM_RPORTS) |
| 32 | #define DEF_CFG_NUM_TINS 256 |
| 33 | |
| 34 | #define DEF_CFG_NUM_SGPGS 2048 |
| 35 | #define DEF_CFG_NUM_REQQ_ELEMS 256 |
| 36 | #define DEF_CFG_NUM_RSPQ_ELEMS 64 |
| 37 | #define DEF_CFG_NUM_SBOOT_TGTS 16 |
| 38 | #define DEF_CFG_NUM_SBOOT_LUNS 16 |
| 39 | |
| 40 | /** |
| 41 | * Use this function query the memory requirement of the BFA library. |
| 42 | * This function needs to be called before bfa_attach() to get the |
| 43 | * memory required of the BFA layer for a given driver configuration. |
| 44 | * |
| 45 | * This call will fail, if the cap is out of range compared to pre-defined |
| 46 | * values within the BFA library |
| 47 | * |
| 48 | * @param[in] cfg - pointer to bfa_ioc_cfg_t. Driver layer should indicate |
| 49 | * its configuration in this structure. |
| 50 | * The default values for struct bfa_iocfc_cfg_s can be |
| 51 | * fetched using bfa_cfg_get_default() API. |
| 52 | * |
| 53 | * If cap's boundary check fails, the library will use |
| 54 | * the default bfa_cap_t values (and log a warning msg). |
| 55 | * |
| 56 | * @param[out] meminfo - pointer to bfa_meminfo_t. This content |
| 57 | * indicates the memory type (see bfa_mem_type_t) and |
| 58 | * amount of memory required. |
| 59 | * |
| 60 | * Driver should allocate the memory, populate the |
| 61 | * starting address for each block and provide the same |
| 62 | * structure as input parameter to bfa_attach() call. |
| 63 | * |
| 64 | * @return void |
| 65 | * |
| 66 | * Special Considerations: @note |
| 67 | */ |
| 68 | void |
| 69 | bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo) |
| 70 | { |
| 71 | int i; |
| 72 | u32 km_len = 0, dm_len = 0; |
| 73 | |
| 74 | bfa_assert((cfg != NULL) && (meminfo != NULL)); |
| 75 | |
| 76 | bfa_os_memset((void *)meminfo, 0, sizeof(struct bfa_meminfo_s)); |
| 77 | meminfo->meminfo[BFA_MEM_TYPE_KVA - 1].mem_type = |
| 78 | BFA_MEM_TYPE_KVA; |
| 79 | meminfo->meminfo[BFA_MEM_TYPE_DMA - 1].mem_type = |
| 80 | BFA_MEM_TYPE_DMA; |
| 81 | |
| 82 | bfa_iocfc_meminfo(cfg, &km_len, &dm_len); |
| 83 | |
| 84 | for (i = 0; hal_mods[i]; i++) |
| 85 | hal_mods[i]->meminfo(cfg, &km_len, &dm_len); |
| 86 | |
Krishna Gudipati | 7873ca4 | 2010-05-21 14:39:45 -0700 | [diff] [blame] | 87 | dm_len += bfa_port_meminfo(); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 88 | |
| 89 | meminfo->meminfo[BFA_MEM_TYPE_KVA - 1].mem_len = km_len; |
| 90 | meminfo->meminfo[BFA_MEM_TYPE_DMA - 1].mem_len = dm_len; |
| 91 | } |
| 92 | |
Krishna Gudipati | 7873ca4 | 2010-05-21 14:39:45 -0700 | [diff] [blame] | 93 | static void |
| 94 | bfa_com_port_attach(struct bfa_s *bfa, struct bfa_meminfo_s *mi) |
| 95 | { |
| 96 | struct bfa_port_s *port = &bfa->modules.port; |
| 97 | uint32_t dm_len; |
| 98 | uint8_t *dm_kva; |
| 99 | uint64_t dm_pa; |
| 100 | |
| 101 | dm_len = bfa_port_meminfo(); |
| 102 | dm_kva = bfa_meminfo_dma_virt(mi); |
| 103 | dm_pa = bfa_meminfo_dma_phys(mi); |
| 104 | |
| 105 | memset(port, 0, sizeof(struct bfa_port_s)); |
| 106 | bfa_port_attach(port, &bfa->ioc, bfa, bfa->trcmod, bfa->logm); |
| 107 | bfa_port_mem_claim(port, dm_kva, dm_pa); |
| 108 | |
| 109 | bfa_meminfo_dma_virt(mi) = dm_kva + dm_len; |
| 110 | bfa_meminfo_dma_phys(mi) = dm_pa + dm_len; |
| 111 | } |
| 112 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 113 | /** |
| 114 | * Use this function to do attach the driver instance with the BFA |
| 115 | * library. This function will not trigger any HW initialization |
| 116 | * process (which will be done in bfa_init() call) |
| 117 | * |
| 118 | * This call will fail, if the cap is out of range compared to |
| 119 | * pre-defined values within the BFA library |
| 120 | * |
| 121 | * @param[out] bfa Pointer to bfa_t. |
| 122 | * @param[in] bfad Opaque handle back to the driver's IOC structure |
| 123 | * @param[in] cfg Pointer to bfa_ioc_cfg_t. Should be same structure |
| 124 | * that was used in bfa_cfg_get_meminfo(). |
| 125 | * @param[in] meminfo Pointer to bfa_meminfo_t. The driver should |
| 126 | * use the bfa_cfg_get_meminfo() call to |
| 127 | * find the memory blocks required, allocate the |
| 128 | * required memory and provide the starting addresses. |
| 129 | * @param[in] pcidev pointer to struct bfa_pcidev_s |
| 130 | * |
| 131 | * @return |
| 132 | * void |
| 133 | * |
| 134 | * Special Considerations: |
| 135 | * |
| 136 | * @note |
| 137 | * |
| 138 | */ |
| 139 | void |
| 140 | bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, |
| 141 | struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) |
| 142 | { |
| 143 | int i; |
| 144 | struct bfa_mem_elem_s *melem; |
| 145 | |
| 146 | bfa->fcs = BFA_FALSE; |
| 147 | |
| 148 | bfa_assert((cfg != NULL) && (meminfo != NULL)); |
| 149 | |
| 150 | /** |
| 151 | * initialize all memory pointers for iterative allocation |
| 152 | */ |
| 153 | for (i = 0; i < BFA_MEM_TYPE_MAX; i++) { |
| 154 | melem = meminfo->meminfo + i; |
| 155 | melem->kva_curp = melem->kva; |
| 156 | melem->dma_curp = melem->dma; |
| 157 | } |
| 158 | |
| 159 | bfa_iocfc_attach(bfa, bfad, cfg, meminfo, pcidev); |
| 160 | |
| 161 | for (i = 0; hal_mods[i]; i++) |
| 162 | hal_mods[i]->attach(bfa, bfad, cfg, meminfo, pcidev); |
| 163 | |
Krishna Gudipati | 7873ca4 | 2010-05-21 14:39:45 -0700 | [diff] [blame] | 164 | bfa_com_port_attach(bfa, meminfo); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 165 | } |
| 166 | |
| 167 | /** |
| 168 | * Use this function to delete a BFA IOC. IOC should be stopped (by |
| 169 | * calling bfa_stop()) before this function call. |
| 170 | * |
| 171 | * @param[in] bfa - pointer to bfa_t. |
| 172 | * |
| 173 | * @return |
| 174 | * void |
| 175 | * |
| 176 | * Special Considerations: |
| 177 | * |
| 178 | * @note |
| 179 | */ |
| 180 | void |
| 181 | bfa_detach(struct bfa_s *bfa) |
| 182 | { |
| 183 | int i; |
| 184 | |
| 185 | for (i = 0; hal_mods[i]; i++) |
| 186 | hal_mods[i]->detach(bfa); |
| 187 | |
| 188 | bfa_iocfc_detach(bfa); |
| 189 | } |
| 190 | |
| 191 | |
| 192 | void |
| 193 | bfa_init_trc(struct bfa_s *bfa, struct bfa_trc_mod_s *trcmod) |
| 194 | { |
| 195 | bfa->trcmod = trcmod; |
| 196 | } |
| 197 | |
| 198 | |
| 199 | void |
| 200 | bfa_init_log(struct bfa_s *bfa, struct bfa_log_mod_s *logmod) |
| 201 | { |
| 202 | bfa->logm = logmod; |
| 203 | } |
| 204 | |
| 205 | |
| 206 | void |
| 207 | bfa_init_aen(struct bfa_s *bfa, struct bfa_aen_s *aen) |
| 208 | { |
| 209 | bfa->aen = aen; |
| 210 | } |
| 211 | |
| 212 | void |
| 213 | bfa_init_plog(struct bfa_s *bfa, struct bfa_plog_s *plog) |
| 214 | { |
| 215 | bfa->plog = plog; |
| 216 | } |
| 217 | |
| 218 | /** |
| 219 | * Initialize IOC. |
| 220 | * |
| 221 | * This function will return immediately, when the IOC initialization is |
| 222 | * completed, the bfa_cb_init() will be called. |
| 223 | * |
| 224 | * @param[in] bfa instance |
| 225 | * |
| 226 | * @return void |
| 227 | * |
| 228 | * Special Considerations: |
| 229 | * |
| 230 | * @note |
| 231 | * When this function returns, the driver should register the interrupt service |
| 232 | * routine(s) and enable the device interrupts. If this is not done, |
| 233 | * bfa_cb_init() will never get called |
| 234 | */ |
| 235 | void |
| 236 | bfa_init(struct bfa_s *bfa) |
| 237 | { |
| 238 | bfa_iocfc_init(bfa); |
| 239 | } |
| 240 | |
| 241 | /** |
| 242 | * Use this function initiate the IOC configuration setup. This function |
| 243 | * will return immediately. |
| 244 | * |
| 245 | * @param[in] bfa instance |
| 246 | * |
| 247 | * @return None |
| 248 | */ |
| 249 | void |
| 250 | bfa_start(struct bfa_s *bfa) |
| 251 | { |
| 252 | bfa_iocfc_start(bfa); |
| 253 | } |
| 254 | |
| 255 | /** |
| 256 | * Use this function quiese the IOC. This function will return immediately, |
| 257 | * when the IOC is actually stopped, the bfa_cb_stop() will be called. |
| 258 | * |
| 259 | * @param[in] bfa - pointer to bfa_t. |
| 260 | * |
| 261 | * @return None |
| 262 | * |
| 263 | * Special Considerations: |
| 264 | * bfa_cb_stop() could be called before or after bfa_stop() returns. |
| 265 | * |
| 266 | * @note |
| 267 | * In case of any failure, we could handle it automatically by doing a |
| 268 | * reset and then succeed the bfa_stop() call. |
| 269 | */ |
| 270 | void |
| 271 | bfa_stop(struct bfa_s *bfa) |
| 272 | { |
| 273 | bfa_iocfc_stop(bfa); |
| 274 | } |
| 275 | |
| 276 | void |
| 277 | bfa_comp_deq(struct bfa_s *bfa, struct list_head *comp_q) |
| 278 | { |
| 279 | INIT_LIST_HEAD(comp_q); |
| 280 | list_splice_tail_init(&bfa->comp_q, comp_q); |
| 281 | } |
| 282 | |
| 283 | void |
| 284 | bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q) |
| 285 | { |
| 286 | struct list_head *qe; |
| 287 | struct list_head *qen; |
| 288 | struct bfa_cb_qe_s *hcb_qe; |
| 289 | |
| 290 | list_for_each_safe(qe, qen, comp_q) { |
| 291 | hcb_qe = (struct bfa_cb_qe_s *) qe; |
| 292 | hcb_qe->cbfn(hcb_qe->cbarg, BFA_TRUE); |
| 293 | } |
| 294 | } |
| 295 | |
| 296 | void |
| 297 | bfa_comp_free(struct bfa_s *bfa, struct list_head *comp_q) |
| 298 | { |
| 299 | struct list_head *qe; |
| 300 | struct bfa_cb_qe_s *hcb_qe; |
| 301 | |
| 302 | while (!list_empty(comp_q)) { |
| 303 | bfa_q_deq(comp_q, &qe); |
| 304 | hcb_qe = (struct bfa_cb_qe_s *) qe; |
| 305 | hcb_qe->cbfn(hcb_qe->cbarg, BFA_FALSE); |
| 306 | } |
| 307 | } |
| 308 | |
| 309 | void |
| 310 | bfa_attach_fcs(struct bfa_s *bfa) |
| 311 | { |
| 312 | bfa->fcs = BFA_TRUE; |
| 313 | } |
| 314 | |
| 315 | /** |
| 316 | * Periodic timer heart beat from driver |
| 317 | */ |
| 318 | void |
| 319 | bfa_timer_tick(struct bfa_s *bfa) |
| 320 | { |
| 321 | bfa_timer_beat(&bfa->timer_mod); |
| 322 | } |
| 323 | |
| 324 | #ifndef BFA_BIOS_BUILD |
| 325 | /** |
| 326 | * Return the list of PCI vendor/device id lists supported by this |
| 327 | * BFA instance. |
| 328 | */ |
| 329 | void |
| 330 | bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids) |
| 331 | { |
| 332 | static struct bfa_pciid_s __pciids[] = { |
| 333 | {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G2P}, |
| 334 | {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G1P}, |
| 335 | {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT}, |
| 336 | }; |
| 337 | |
| 338 | *npciids = sizeof(__pciids) / sizeof(__pciids[0]); |
| 339 | *pciids = __pciids; |
| 340 | } |
| 341 | |
| 342 | /** |
| 343 | * Use this function query the default struct bfa_iocfc_cfg_s value (compiled |
| 344 | * into BFA layer). The OS driver can then turn back and overwrite entries that |
| 345 | * have been configured by the user. |
| 346 | * |
| 347 | * @param[in] cfg - pointer to bfa_ioc_cfg_t |
| 348 | * |
| 349 | * @return |
| 350 | * void |
| 351 | * |
| 352 | * Special Considerations: |
| 353 | * note |
| 354 | */ |
| 355 | void |
| 356 | bfa_cfg_get_default(struct bfa_iocfc_cfg_s *cfg) |
| 357 | { |
| 358 | cfg->fwcfg.num_fabrics = DEF_CFG_NUM_FABRICS; |
| 359 | cfg->fwcfg.num_lports = DEF_CFG_NUM_LPORTS; |
| 360 | cfg->fwcfg.num_rports = DEF_CFG_NUM_RPORTS; |
| 361 | cfg->fwcfg.num_ioim_reqs = DEF_CFG_NUM_IOIM_REQS; |
| 362 | cfg->fwcfg.num_tskim_reqs = DEF_CFG_NUM_TSKIM_REQS; |
| 363 | cfg->fwcfg.num_fcxp_reqs = DEF_CFG_NUM_FCXP_REQS; |
| 364 | cfg->fwcfg.num_uf_bufs = DEF_CFG_NUM_UF_BUFS; |
| 365 | cfg->fwcfg.num_cqs = DEF_CFG_NUM_CQS; |
| 366 | |
| 367 | cfg->drvcfg.num_reqq_elems = DEF_CFG_NUM_REQQ_ELEMS; |
| 368 | cfg->drvcfg.num_rspq_elems = DEF_CFG_NUM_RSPQ_ELEMS; |
| 369 | cfg->drvcfg.num_sgpgs = DEF_CFG_NUM_SGPGS; |
| 370 | cfg->drvcfg.num_sboot_tgts = DEF_CFG_NUM_SBOOT_TGTS; |
| 371 | cfg->drvcfg.num_sboot_luns = DEF_CFG_NUM_SBOOT_LUNS; |
| 372 | cfg->drvcfg.path_tov = BFA_FCPIM_PATHTOV_DEF; |
| 373 | cfg->drvcfg.ioc_recover = BFA_FALSE; |
| 374 | cfg->drvcfg.delay_comp = BFA_FALSE; |
| 375 | |
| 376 | } |
| 377 | |
| 378 | void |
| 379 | bfa_cfg_get_min(struct bfa_iocfc_cfg_s *cfg) |
| 380 | { |
| 381 | bfa_cfg_get_default(cfg); |
| 382 | cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MIN; |
| 383 | cfg->fwcfg.num_tskim_reqs = BFA_TSKIM_MIN; |
| 384 | cfg->fwcfg.num_fcxp_reqs = BFA_FCXP_MIN; |
| 385 | cfg->fwcfg.num_uf_bufs = BFA_UF_MIN; |
| 386 | cfg->fwcfg.num_rports = BFA_RPORT_MIN; |
| 387 | |
| 388 | cfg->drvcfg.num_sgpgs = BFA_SGPG_MIN; |
| 389 | cfg->drvcfg.num_reqq_elems = BFA_REQQ_NELEMS_MIN; |
| 390 | cfg->drvcfg.num_rspq_elems = BFA_RSPQ_NELEMS_MIN; |
| 391 | cfg->drvcfg.min_cfg = BFA_TRUE; |
| 392 | } |
| 393 | |
| 394 | void |
| 395 | bfa_get_attr(struct bfa_s *bfa, struct bfa_ioc_attr_s *ioc_attr) |
| 396 | { |
| 397 | bfa_ioc_get_attr(&bfa->ioc, ioc_attr); |
| 398 | } |
| 399 | |
| 400 | /** |
| 401 | * Retrieve firmware trace information on IOC failure. |
| 402 | */ |
| 403 | bfa_status_t |
| 404 | bfa_debug_fwsave(struct bfa_s *bfa, void *trcdata, int *trclen) |
| 405 | { |
| 406 | return bfa_ioc_debug_fwsave(&bfa->ioc, trcdata, trclen); |
| 407 | } |
| 408 | |
| 409 | /** |
Krishna Gudipati | 738c9e6 | 2010-03-05 19:36:19 -0800 | [diff] [blame] | 410 | * Clear the saved firmware trace information of an IOC. |
| 411 | */ |
| 412 | void |
| 413 | bfa_debug_fwsave_clear(struct bfa_s *bfa) |
| 414 | { |
| 415 | bfa_ioc_debug_fwsave_clear(&bfa->ioc); |
| 416 | } |
| 417 | |
| 418 | /** |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 419 | * Fetch firmware trace data. |
| 420 | * |
| 421 | * @param[in] bfa BFA instance |
| 422 | * @param[out] trcdata Firmware trace buffer |
| 423 | * @param[in,out] trclen Firmware trace buffer len |
| 424 | * |
| 425 | * @retval BFA_STATUS_OK Firmware trace is fetched. |
| 426 | * @retval BFA_STATUS_INPROGRESS Firmware trace fetch is in progress. |
| 427 | */ |
| 428 | bfa_status_t |
| 429 | bfa_debug_fwtrc(struct bfa_s *bfa, void *trcdata, int *trclen) |
| 430 | { |
| 431 | return bfa_ioc_debug_fwtrc(&bfa->ioc, trcdata, trclen); |
| 432 | } |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 433 | |
| 434 | /** |
| 435 | * Reset hw semaphore & usage cnt regs and initialize. |
| 436 | */ |
| 437 | void |
| 438 | bfa_chip_reset(struct bfa_s *bfa) |
| 439 | { |
| 440 | bfa_ioc_ownership_reset(&bfa->ioc); |
| 441 | bfa_ioc_pll_init(&bfa->ioc); |
| 442 | } |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 443 | #endif |