Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2 | * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 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 | |
Maggie Zhang | f16a175 | 2010-12-09 19:12:32 -0800 | [diff] [blame] | 18 | #include "bfad_drv.h" |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 19 | #include "bfa_modules.h" |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 20 | #include "bfi_reg.h" |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 21 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 22 | BFA_TRC_FILE(HAL, CORE); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 23 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 24 | /* |
Maggie Zhang | b77ee1f | 2010-12-09 19:09:26 -0800 | [diff] [blame] | 25 | * BFA module list terminated by NULL |
| 26 | */ |
| 27 | static struct bfa_module_s *hal_mods[] = { |
| 28 | &hal_mod_sgpg, |
| 29 | &hal_mod_fcport, |
| 30 | &hal_mod_fcxp, |
| 31 | &hal_mod_lps, |
| 32 | &hal_mod_uf, |
| 33 | &hal_mod_rport, |
Krishna Gudipati | e2187d7 | 2011-06-13 15:53:58 -0700 | [diff] [blame] | 34 | &hal_mod_fcp, |
Maggie Zhang | b77ee1f | 2010-12-09 19:09:26 -0800 | [diff] [blame] | 35 | NULL |
| 36 | }; |
| 37 | |
| 38 | /* |
| 39 | * Message handlers for various modules. |
| 40 | */ |
| 41 | static bfa_isr_func_t bfa_isrs[BFI_MC_MAX] = { |
| 42 | bfa_isr_unhandled, /* NONE */ |
| 43 | bfa_isr_unhandled, /* BFI_MC_IOC */ |
| 44 | bfa_isr_unhandled, /* BFI_MC_DIAG */ |
| 45 | bfa_isr_unhandled, /* BFI_MC_FLASH */ |
| 46 | bfa_isr_unhandled, /* BFI_MC_CEE */ |
| 47 | bfa_fcport_isr, /* BFI_MC_FCPORT */ |
| 48 | bfa_isr_unhandled, /* BFI_MC_IOCFC */ |
| 49 | bfa_isr_unhandled, /* BFI_MC_LL */ |
| 50 | bfa_uf_isr, /* BFI_MC_UF */ |
| 51 | bfa_fcxp_isr, /* BFI_MC_FCXP */ |
| 52 | bfa_lps_isr, /* BFI_MC_LPS */ |
| 53 | bfa_rport_isr, /* BFI_MC_RPORT */ |
Krishna Gudipati | e2187d7 | 2011-06-13 15:53:58 -0700 | [diff] [blame] | 54 | bfa_itn_isr, /* BFI_MC_ITN */ |
Maggie Zhang | b77ee1f | 2010-12-09 19:09:26 -0800 | [diff] [blame] | 55 | bfa_isr_unhandled, /* BFI_MC_IOIM_READ */ |
| 56 | bfa_isr_unhandled, /* BFI_MC_IOIM_WRITE */ |
| 57 | bfa_isr_unhandled, /* BFI_MC_IOIM_IO */ |
| 58 | bfa_ioim_isr, /* BFI_MC_IOIM */ |
| 59 | bfa_ioim_good_comp_isr, /* BFI_MC_IOIM_IOCOM */ |
| 60 | bfa_tskim_isr, /* BFI_MC_TSKIM */ |
| 61 | bfa_isr_unhandled, /* BFI_MC_SBOOT */ |
| 62 | bfa_isr_unhandled, /* BFI_MC_IPFC */ |
| 63 | bfa_isr_unhandled, /* BFI_MC_PORT */ |
| 64 | bfa_isr_unhandled, /* --------- */ |
| 65 | bfa_isr_unhandled, /* --------- */ |
| 66 | bfa_isr_unhandled, /* --------- */ |
| 67 | bfa_isr_unhandled, /* --------- */ |
| 68 | bfa_isr_unhandled, /* --------- */ |
| 69 | bfa_isr_unhandled, /* --------- */ |
| 70 | bfa_isr_unhandled, /* --------- */ |
| 71 | bfa_isr_unhandled, /* --------- */ |
| 72 | bfa_isr_unhandled, /* --------- */ |
| 73 | bfa_isr_unhandled, /* --------- */ |
| 74 | }; |
| 75 | /* |
| 76 | * Message handlers for mailbox command classes |
| 77 | */ |
| 78 | static bfa_ioc_mbox_mcfunc_t bfa_mbox_isrs[BFI_MC_MAX] = { |
| 79 | NULL, |
| 80 | NULL, /* BFI_MC_IOC */ |
| 81 | NULL, /* BFI_MC_DIAG */ |
| 82 | NULL, /* BFI_MC_FLASH */ |
| 83 | NULL, /* BFI_MC_CEE */ |
| 84 | NULL, /* BFI_MC_PORT */ |
| 85 | bfa_iocfc_isr, /* BFI_MC_IOCFC */ |
| 86 | NULL, |
| 87 | }; |
| 88 | |
| 89 | |
| 90 | |
| 91 | static void |
| 92 | bfa_com_port_attach(struct bfa_s *bfa, struct bfa_meminfo_s *mi) |
| 93 | { |
| 94 | struct bfa_port_s *port = &bfa->modules.port; |
| 95 | u32 dm_len; |
| 96 | u8 *dm_kva; |
| 97 | u64 dm_pa; |
| 98 | |
| 99 | dm_len = bfa_port_meminfo(); |
| 100 | dm_kva = bfa_meminfo_dma_virt(mi); |
| 101 | dm_pa = bfa_meminfo_dma_phys(mi); |
| 102 | |
| 103 | memset(port, 0, sizeof(struct bfa_port_s)); |
| 104 | bfa_port_attach(port, &bfa->ioc, bfa, bfa->trcmod); |
| 105 | bfa_port_mem_claim(port, dm_kva, dm_pa); |
| 106 | |
| 107 | bfa_meminfo_dma_virt(mi) = dm_kva + dm_len; |
| 108 | bfa_meminfo_dma_phys(mi) = dm_pa + dm_len; |
| 109 | } |
| 110 | |
| 111 | /* |
Krishna Gudipati | 1a4d8e1 | 2011-06-24 20:22:28 -0700 | [diff] [blame] | 112 | * ablk module attach |
| 113 | */ |
| 114 | static void |
| 115 | bfa_com_ablk_attach(struct bfa_s *bfa, struct bfa_meminfo_s *mi) |
| 116 | { |
| 117 | struct bfa_ablk_s *ablk = &bfa->modules.ablk; |
| 118 | u32 dm_len; |
| 119 | u8 *dm_kva; |
| 120 | u64 dm_pa; |
| 121 | |
| 122 | dm_len = bfa_ablk_meminfo(); |
| 123 | dm_kva = bfa_meminfo_dma_virt(mi); |
| 124 | dm_pa = bfa_meminfo_dma_phys(mi); |
| 125 | |
| 126 | memset(ablk, 0, sizeof(struct bfa_ablk_s)); |
| 127 | bfa_ablk_attach(ablk, &bfa->ioc); |
| 128 | bfa_ablk_memclaim(ablk, dm_kva, dm_pa); |
| 129 | |
| 130 | bfa_meminfo_dma_virt(mi) = dm_kva + dm_len; |
| 131 | bfa_meminfo_dma_phys(mi) = dm_pa + dm_len; |
| 132 | } |
| 133 | |
| 134 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 135 | * BFA IOC FC related definitions |
| 136 | */ |
| 137 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 138 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 139 | * IOC local definitions |
| 140 | */ |
| 141 | #define BFA_IOCFC_TOV 5000 /* msecs */ |
| 142 | |
| 143 | enum { |
| 144 | BFA_IOCFC_ACT_NONE = 0, |
| 145 | BFA_IOCFC_ACT_INIT = 1, |
| 146 | BFA_IOCFC_ACT_STOP = 2, |
| 147 | BFA_IOCFC_ACT_DISABLE = 3, |
| 148 | }; |
| 149 | |
| 150 | #define DEF_CFG_NUM_FABRICS 1 |
| 151 | #define DEF_CFG_NUM_LPORTS 256 |
| 152 | #define DEF_CFG_NUM_CQS 4 |
| 153 | #define DEF_CFG_NUM_IOIM_REQS (BFA_IOIM_MAX) |
| 154 | #define DEF_CFG_NUM_TSKIM_REQS 128 |
| 155 | #define DEF_CFG_NUM_FCXP_REQS 64 |
| 156 | #define DEF_CFG_NUM_UF_BUFS 64 |
| 157 | #define DEF_CFG_NUM_RPORTS 1024 |
| 158 | #define DEF_CFG_NUM_ITNIMS (DEF_CFG_NUM_RPORTS) |
| 159 | #define DEF_CFG_NUM_TINS 256 |
| 160 | |
| 161 | #define DEF_CFG_NUM_SGPGS 2048 |
| 162 | #define DEF_CFG_NUM_REQQ_ELEMS 256 |
| 163 | #define DEF_CFG_NUM_RSPQ_ELEMS 64 |
| 164 | #define DEF_CFG_NUM_SBOOT_TGTS 16 |
| 165 | #define DEF_CFG_NUM_SBOOT_LUNS 16 |
| 166 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 167 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 168 | * forward declaration for IOC FC functions |
| 169 | */ |
| 170 | static void bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status); |
| 171 | static void bfa_iocfc_disable_cbfn(void *bfa_arg); |
| 172 | static void bfa_iocfc_hbfail_cbfn(void *bfa_arg); |
| 173 | static void bfa_iocfc_reset_cbfn(void *bfa_arg); |
| 174 | static struct bfa_ioc_cbfn_s bfa_iocfc_cbfn; |
| 175 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 176 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 177 | * BFA Interrupt handling functions |
| 178 | */ |
| 179 | static void |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 180 | bfa_reqq_resume(struct bfa_s *bfa, int qid) |
| 181 | { |
| 182 | struct list_head *waitq, *qe, *qen; |
| 183 | struct bfa_reqq_wait_s *wqe; |
| 184 | |
| 185 | waitq = bfa_reqq(bfa, qid); |
| 186 | list_for_each_safe(qe, qen, waitq) { |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 187 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 188 | * Callback only as long as there is room in request queue |
| 189 | */ |
| 190 | if (bfa_reqq_full(bfa, qid)) |
| 191 | break; |
| 192 | |
| 193 | list_del(qe); |
| 194 | wqe = (struct bfa_reqq_wait_s *) qe; |
| 195 | wqe->qresume(wqe->cbarg); |
| 196 | } |
| 197 | } |
| 198 | |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 199 | static inline void |
| 200 | bfa_isr_rspq(struct bfa_s *bfa, int qid) |
| 201 | { |
| 202 | struct bfi_msg_s *m; |
| 203 | u32 pi, ci; |
| 204 | struct list_head *waitq; |
| 205 | |
| 206 | bfa->iocfc.hwif.hw_rspq_ack(bfa, qid); |
| 207 | |
| 208 | ci = bfa_rspq_ci(bfa, qid); |
| 209 | pi = bfa_rspq_pi(bfa, qid); |
| 210 | |
| 211 | while (ci != pi) { |
| 212 | m = bfa_rspq_elem(bfa, qid, ci); |
| 213 | WARN_ON(m->mhdr.msg_class >= BFI_MC_MAX); |
| 214 | |
| 215 | bfa_isrs[m->mhdr.msg_class] (bfa, m); |
| 216 | CQ_INCR(ci, bfa->iocfc.cfg.drvcfg.num_rspq_elems); |
| 217 | } |
| 218 | |
| 219 | /* |
| 220 | * update CI |
| 221 | */ |
| 222 | bfa_rspq_ci(bfa, qid) = pi; |
| 223 | writel(pi, bfa->iocfc.bfa_regs.rme_q_ci[qid]); |
| 224 | mmiowb(); |
| 225 | |
| 226 | /* |
| 227 | * Resume any pending requests in the corresponding reqq. |
| 228 | */ |
| 229 | waitq = bfa_reqq(bfa, qid); |
| 230 | if (!list_empty(waitq)) |
| 231 | bfa_reqq_resume(bfa, qid); |
| 232 | } |
| 233 | |
| 234 | static inline void |
| 235 | bfa_isr_reqq(struct bfa_s *bfa, int qid) |
| 236 | { |
| 237 | struct list_head *waitq; |
| 238 | |
| 239 | qid &= (BFI_IOC_MAX_CQS - 1); |
| 240 | |
| 241 | bfa->iocfc.hwif.hw_reqq_ack(bfa, qid); |
| 242 | |
| 243 | /* |
| 244 | * Resume any pending requests in the corresponding reqq. |
| 245 | */ |
| 246 | waitq = bfa_reqq(bfa, qid); |
| 247 | if (!list_empty(waitq)) |
| 248 | bfa_reqq_resume(bfa, qid); |
| 249 | } |
| 250 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 251 | void |
| 252 | bfa_msix_all(struct bfa_s *bfa, int vec) |
| 253 | { |
| 254 | bfa_intx(bfa); |
| 255 | } |
| 256 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 257 | bfa_boolean_t |
| 258 | bfa_intx(struct bfa_s *bfa) |
| 259 | { |
| 260 | u32 intr, qintr; |
| 261 | int queue; |
| 262 | |
Jing Huang | 5344026 | 2010-10-18 17:12:29 -0700 | [diff] [blame] | 263 | intr = readl(bfa->iocfc.bfa_regs.intr_status); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 264 | if (!intr) |
| 265 | return BFA_FALSE; |
| 266 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 267 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 268 | * RME completion queue interrupt |
| 269 | */ |
| 270 | qintr = intr & __HFN_INT_RME_MASK; |
Jing Huang | 5344026 | 2010-10-18 17:12:29 -0700 | [diff] [blame] | 271 | writel(qintr, bfa->iocfc.bfa_regs.intr_status); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 272 | |
| 273 | for (queue = 0; queue < BFI_IOC_MAX_CQS_ASIC; queue++) { |
Krishna Gudipati | 775c774 | 2011-06-13 15:52:12 -0700 | [diff] [blame] | 274 | if ((intr & (__HFN_INT_RME_Q0 << queue)) && bfa->queue_process) |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 275 | bfa_isr_rspq(bfa, queue & (BFI_IOC_MAX_CQS - 1)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 276 | } |
| 277 | intr &= ~qintr; |
| 278 | if (!intr) |
| 279 | return BFA_TRUE; |
| 280 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 281 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 282 | * CPE completion queue interrupt |
| 283 | */ |
| 284 | qintr = intr & __HFN_INT_CPE_MASK; |
Jing Huang | 5344026 | 2010-10-18 17:12:29 -0700 | [diff] [blame] | 285 | writel(qintr, bfa->iocfc.bfa_regs.intr_status); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 286 | |
| 287 | for (queue = 0; queue < BFI_IOC_MAX_CQS_ASIC; queue++) { |
Krishna Gudipati | 775c774 | 2011-06-13 15:52:12 -0700 | [diff] [blame] | 288 | if ((intr & (__HFN_INT_CPE_Q0 << queue)) && bfa->queue_process) |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 289 | bfa_isr_reqq(bfa, queue & (BFI_IOC_MAX_CQS - 1)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 290 | } |
| 291 | intr &= ~qintr; |
| 292 | if (!intr) |
| 293 | return BFA_TRUE; |
| 294 | |
| 295 | bfa_msix_lpu_err(bfa, intr); |
| 296 | |
| 297 | return BFA_TRUE; |
| 298 | } |
| 299 | |
| 300 | void |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 301 | bfa_isr_enable(struct bfa_s *bfa) |
| 302 | { |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 303 | u32 umsk; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 304 | int pci_func = bfa_ioc_pcifn(&bfa->ioc); |
| 305 | |
| 306 | bfa_trc(bfa, pci_func); |
| 307 | |
Krishna Gudipati | 775c774 | 2011-06-13 15:52:12 -0700 | [diff] [blame] | 308 | bfa_msix_ctrl_install(bfa); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 309 | |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 310 | if (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)) { |
| 311 | umsk = __HFN_INT_ERR_MASK_CT2; |
| 312 | umsk |= pci_func == 0 ? |
| 313 | __HFN_INT_FN0_MASK_CT2 : __HFN_INT_FN1_MASK_CT2; |
| 314 | } else { |
| 315 | umsk = __HFN_INT_ERR_MASK; |
| 316 | umsk |= pci_func == 0 ? __HFN_INT_FN0_MASK : __HFN_INT_FN1_MASK; |
| 317 | } |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 318 | |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 319 | writel(umsk, bfa->iocfc.bfa_regs.intr_status); |
| 320 | writel(~umsk, bfa->iocfc.bfa_regs.intr_mask); |
| 321 | bfa->iocfc.intr_mask = ~umsk; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 322 | bfa_isr_mode_set(bfa, bfa->msix.nvecs != 0); |
| 323 | } |
| 324 | |
| 325 | void |
| 326 | bfa_isr_disable(struct bfa_s *bfa) |
| 327 | { |
| 328 | bfa_isr_mode_set(bfa, BFA_FALSE); |
Jing Huang | 5344026 | 2010-10-18 17:12:29 -0700 | [diff] [blame] | 329 | writel(-1L, bfa->iocfc.bfa_regs.intr_mask); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 330 | bfa_msix_uninstall(bfa); |
| 331 | } |
| 332 | |
| 333 | void |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 334 | bfa_msix_reqq(struct bfa_s *bfa, int vec) |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 335 | { |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 336 | bfa_isr_reqq(bfa, vec - bfa->iocfc.hwif.cpe_vec_q0); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 337 | } |
| 338 | |
| 339 | void |
| 340 | bfa_isr_unhandled(struct bfa_s *bfa, struct bfi_msg_s *m) |
| 341 | { |
| 342 | bfa_trc(bfa, m->mhdr.msg_class); |
| 343 | bfa_trc(bfa, m->mhdr.msg_id); |
| 344 | bfa_trc(bfa, m->mhdr.mtag.i2htok); |
Jing Huang | d4b671c | 2010-12-26 21:46:35 -0800 | [diff] [blame] | 345 | WARN_ON(1); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 346 | bfa_trc_stop(bfa->trcmod); |
| 347 | } |
| 348 | |
| 349 | void |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 350 | bfa_msix_rspq(struct bfa_s *bfa, int vec) |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 351 | { |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 352 | bfa_isr_rspq(bfa, vec - bfa->iocfc.hwif.rme_vec_q0); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 353 | } |
| 354 | |
| 355 | void |
| 356 | bfa_msix_lpu_err(struct bfa_s *bfa, int vec) |
| 357 | { |
| 358 | u32 intr, curr_value; |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 359 | bfa_boolean_t lpu_isr, halt_isr, pss_isr; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 360 | |
Jing Huang | 5344026 | 2010-10-18 17:12:29 -0700 | [diff] [blame] | 361 | intr = readl(bfa->iocfc.bfa_regs.intr_status); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 362 | |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 363 | if (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)) { |
| 364 | halt_isr = intr & __HFN_INT_CPQ_HALT_CT2; |
| 365 | pss_isr = intr & __HFN_INT_ERR_PSS_CT2; |
| 366 | lpu_isr = intr & (__HFN_INT_MBOX_LPU0_CT2 | |
| 367 | __HFN_INT_MBOX_LPU1_CT2); |
| 368 | intr &= __HFN_INT_ERR_MASK_CT2; |
| 369 | } else { |
| 370 | halt_isr = intr & __HFN_INT_LL_HALT; |
| 371 | pss_isr = intr & __HFN_INT_ERR_PSS; |
| 372 | lpu_isr = intr & (__HFN_INT_MBOX_LPU0 | __HFN_INT_MBOX_LPU1); |
| 373 | intr &= __HFN_INT_ERR_MASK; |
| 374 | } |
| 375 | |
| 376 | if (lpu_isr) |
Maggie Zhang | da99dcc | 2010-12-09 19:13:20 -0800 | [diff] [blame] | 377 | bfa_ioc_mbox_isr(&bfa->ioc); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 378 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 379 | if (intr) { |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 380 | if (halt_isr) { |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 381 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 382 | * If LL_HALT bit is set then FW Init Halt LL Port |
| 383 | * Register needs to be cleared as well so Interrupt |
| 384 | * Status Register will be cleared. |
| 385 | */ |
Jing Huang | 5344026 | 2010-10-18 17:12:29 -0700 | [diff] [blame] | 386 | curr_value = readl(bfa->ioc.ioc_regs.ll_halt); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 387 | curr_value &= ~__FW_INIT_HALT_P; |
Jing Huang | 5344026 | 2010-10-18 17:12:29 -0700 | [diff] [blame] | 388 | writel(curr_value, bfa->ioc.ioc_regs.ll_halt); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 389 | } |
| 390 | |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 391 | if (pss_isr) { |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 392 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 393 | * ERR_PSS bit needs to be cleared as well in case |
| 394 | * interrups are shared so driver's interrupt handler is |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 395 | * still called even though it is already masked out. |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 396 | */ |
Jing Huang | 5344026 | 2010-10-18 17:12:29 -0700 | [diff] [blame] | 397 | curr_value = readl( |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 398 | bfa->ioc.ioc_regs.pss_err_status_reg); |
Jing Huang | 5344026 | 2010-10-18 17:12:29 -0700 | [diff] [blame] | 399 | writel(curr_value, |
| 400 | bfa->ioc.ioc_regs.pss_err_status_reg); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 401 | } |
| 402 | |
Jing Huang | 5344026 | 2010-10-18 17:12:29 -0700 | [diff] [blame] | 403 | writel(intr, bfa->iocfc.bfa_regs.intr_status); |
Maggie Zhang | f7f73812 | 2010-12-09 19:08:43 -0800 | [diff] [blame] | 404 | bfa_ioc_error_isr(&bfa->ioc); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 405 | } |
| 406 | } |
| 407 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 408 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 409 | * BFA IOC FC related functions |
| 410 | */ |
| 411 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 412 | /* |
Maggie Zhang | df0f193 | 2010-12-09 19:07:46 -0800 | [diff] [blame] | 413 | * BFA IOC private functions |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 414 | */ |
| 415 | |
| 416 | static void |
| 417 | bfa_iocfc_cqs_sz(struct bfa_iocfc_cfg_s *cfg, u32 *dm_len) |
| 418 | { |
| 419 | int i, per_reqq_sz, per_rspq_sz; |
| 420 | |
| 421 | per_reqq_sz = BFA_ROUNDUP((cfg->drvcfg.num_reqq_elems * BFI_LMSG_SZ), |
| 422 | BFA_DMA_ALIGN_SZ); |
| 423 | per_rspq_sz = BFA_ROUNDUP((cfg->drvcfg.num_rspq_elems * BFI_LMSG_SZ), |
| 424 | BFA_DMA_ALIGN_SZ); |
| 425 | |
| 426 | /* |
| 427 | * Calculate CQ size |
| 428 | */ |
| 429 | for (i = 0; i < cfg->fwcfg.num_cqs; i++) { |
| 430 | *dm_len = *dm_len + per_reqq_sz; |
| 431 | *dm_len = *dm_len + per_rspq_sz; |
| 432 | } |
| 433 | |
| 434 | /* |
| 435 | * Calculate Shadow CI/PI size |
| 436 | */ |
| 437 | for (i = 0; i < cfg->fwcfg.num_cqs; i++) |
| 438 | *dm_len += (2 * BFA_CACHELINE_SZ); |
| 439 | } |
| 440 | |
| 441 | static void |
| 442 | bfa_iocfc_fw_cfg_sz(struct bfa_iocfc_cfg_s *cfg, u32 *dm_len) |
| 443 | { |
| 444 | *dm_len += |
| 445 | BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ); |
| 446 | *dm_len += |
| 447 | BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s), |
| 448 | BFA_CACHELINE_SZ); |
| 449 | } |
| 450 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 451 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 452 | * Use the Mailbox interface to send BFI_IOCFC_H2I_CFG_REQ |
| 453 | */ |
| 454 | static void |
| 455 | bfa_iocfc_send_cfg(void *bfa_arg) |
| 456 | { |
| 457 | struct bfa_s *bfa = bfa_arg; |
| 458 | struct bfa_iocfc_s *iocfc = &bfa->iocfc; |
| 459 | struct bfi_iocfc_cfg_req_s cfg_req; |
| 460 | struct bfi_iocfc_cfg_s *cfg_info = iocfc->cfginfo; |
| 461 | struct bfa_iocfc_cfg_s *cfg = &iocfc->cfg; |
| 462 | int i; |
| 463 | |
Jing Huang | d4b671c | 2010-12-26 21:46:35 -0800 | [diff] [blame] | 464 | WARN_ON(cfg->fwcfg.num_cqs > BFI_IOC_MAX_CQS); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 465 | bfa_trc(bfa, cfg->fwcfg.num_cqs); |
| 466 | |
| 467 | bfa_iocfc_reset_queues(bfa); |
| 468 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 469 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 470 | * initialize IOC configuration info |
| 471 | */ |
| 472 | cfg_info->endian_sig = BFI_IOC_ENDIAN_SIG; |
| 473 | cfg_info->num_cqs = cfg->fwcfg.num_cqs; |
Krishna Gudipati | e2187d7 | 2011-06-13 15:53:58 -0700 | [diff] [blame] | 474 | cfg_info->num_ioim_reqs = cpu_to_be16(cfg->fwcfg.num_ioim_reqs); |
| 475 | cfg_info->num_fwtio_reqs = cpu_to_be16(cfg->fwcfg.num_fwtio_reqs); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 476 | |
| 477 | bfa_dma_be_addr_set(cfg_info->cfgrsp_addr, iocfc->cfgrsp_dma.pa); |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 478 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 479 | * dma map REQ and RSP circular queues and shadow pointers |
| 480 | */ |
| 481 | for (i = 0; i < cfg->fwcfg.num_cqs; i++) { |
| 482 | bfa_dma_be_addr_set(cfg_info->req_cq_ba[i], |
| 483 | iocfc->req_cq_ba[i].pa); |
| 484 | bfa_dma_be_addr_set(cfg_info->req_shadow_ci[i], |
| 485 | iocfc->req_cq_shadow_ci[i].pa); |
| 486 | cfg_info->req_cq_elems[i] = |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 487 | cpu_to_be16(cfg->drvcfg.num_reqq_elems); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 488 | |
| 489 | bfa_dma_be_addr_set(cfg_info->rsp_cq_ba[i], |
| 490 | iocfc->rsp_cq_ba[i].pa); |
| 491 | bfa_dma_be_addr_set(cfg_info->rsp_shadow_pi[i], |
| 492 | iocfc->rsp_cq_shadow_pi[i].pa); |
| 493 | cfg_info->rsp_cq_elems[i] = |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 494 | cpu_to_be16(cfg->drvcfg.num_rspq_elems); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 495 | } |
| 496 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 497 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 498 | * Enable interrupt coalescing if it is driver init path |
| 499 | * and not ioc disable/enable path. |
| 500 | */ |
| 501 | if (!iocfc->cfgdone) |
| 502 | cfg_info->intr_attr.coalesce = BFA_TRUE; |
| 503 | |
| 504 | iocfc->cfgdone = BFA_FALSE; |
| 505 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 506 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 507 | * dma map IOC configuration itself |
| 508 | */ |
| 509 | bfi_h2i_set(cfg_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_CFG_REQ, |
| 510 | bfa_lpuid(bfa)); |
| 511 | bfa_dma_be_addr_set(cfg_req.ioc_cfg_dma_addr, iocfc->cfg_info.pa); |
| 512 | |
| 513 | bfa_ioc_mbox_send(&bfa->ioc, &cfg_req, |
| 514 | sizeof(struct bfi_iocfc_cfg_req_s)); |
| 515 | } |
| 516 | |
| 517 | static void |
| 518 | bfa_iocfc_init_mem(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, |
| 519 | struct bfa_pcidev_s *pcidev) |
| 520 | { |
| 521 | struct bfa_iocfc_s *iocfc = &bfa->iocfc; |
| 522 | |
| 523 | bfa->bfad = bfad; |
| 524 | iocfc->bfa = bfa; |
| 525 | iocfc->action = BFA_IOCFC_ACT_NONE; |
| 526 | |
Jing Huang | 6a18b16 | 2010-10-18 17:08:54 -0700 | [diff] [blame] | 527 | iocfc->cfg = *cfg; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 528 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 529 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 530 | * Initialize chip specific handlers. |
| 531 | */ |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 532 | if (bfa_asic_id_ctc(bfa_ioc_devid(&bfa->ioc))) { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 533 | iocfc->hwif.hw_reginit = bfa_hwct_reginit; |
| 534 | iocfc->hwif.hw_reqq_ack = bfa_hwct_reqq_ack; |
| 535 | iocfc->hwif.hw_rspq_ack = bfa_hwct_rspq_ack; |
| 536 | iocfc->hwif.hw_msix_init = bfa_hwct_msix_init; |
Krishna Gudipati | 775c774 | 2011-06-13 15:52:12 -0700 | [diff] [blame] | 537 | iocfc->hwif.hw_msix_ctrl_install = bfa_hwct_msix_ctrl_install; |
| 538 | iocfc->hwif.hw_msix_queue_install = bfa_hwct_msix_queue_install; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 539 | iocfc->hwif.hw_msix_uninstall = bfa_hwct_msix_uninstall; |
| 540 | iocfc->hwif.hw_isr_mode_set = bfa_hwct_isr_mode_set; |
| 541 | iocfc->hwif.hw_msix_getvecs = bfa_hwct_msix_getvecs; |
| 542 | iocfc->hwif.hw_msix_get_rme_range = bfa_hwct_msix_get_rme_range; |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 543 | iocfc->hwif.rme_vec_q0 = BFI_MSIX_RME_QMIN_CT; |
| 544 | iocfc->hwif.cpe_vec_q0 = BFI_MSIX_CPE_QMIN_CT; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 545 | } else { |
| 546 | iocfc->hwif.hw_reginit = bfa_hwcb_reginit; |
| 547 | iocfc->hwif.hw_reqq_ack = bfa_hwcb_reqq_ack; |
| 548 | iocfc->hwif.hw_rspq_ack = bfa_hwcb_rspq_ack; |
| 549 | iocfc->hwif.hw_msix_init = bfa_hwcb_msix_init; |
Krishna Gudipati | 775c774 | 2011-06-13 15:52:12 -0700 | [diff] [blame] | 550 | iocfc->hwif.hw_msix_ctrl_install = bfa_hwcb_msix_ctrl_install; |
| 551 | iocfc->hwif.hw_msix_queue_install = bfa_hwcb_msix_queue_install; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 552 | iocfc->hwif.hw_msix_uninstall = bfa_hwcb_msix_uninstall; |
| 553 | iocfc->hwif.hw_isr_mode_set = bfa_hwcb_isr_mode_set; |
| 554 | iocfc->hwif.hw_msix_getvecs = bfa_hwcb_msix_getvecs; |
| 555 | iocfc->hwif.hw_msix_get_rme_range = bfa_hwcb_msix_get_rme_range; |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 556 | iocfc->hwif.rme_vec_q0 = BFI_MSIX_RME_QMIN_CB + |
| 557 | bfa_ioc_pcifn(&bfa->ioc) * BFI_IOC_MAX_CQS; |
| 558 | iocfc->hwif.cpe_vec_q0 = BFI_MSIX_CPE_QMIN_CB + |
| 559 | bfa_ioc_pcifn(&bfa->ioc) * BFI_IOC_MAX_CQS; |
| 560 | } |
| 561 | |
| 562 | if (bfa_asic_id_ct2(bfa_ioc_devid(&bfa->ioc))) { |
| 563 | iocfc->hwif.hw_reginit = bfa_hwct2_reginit; |
| 564 | iocfc->hwif.hw_isr_mode_set = NULL; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 565 | } |
| 566 | |
| 567 | iocfc->hwif.hw_reginit(bfa); |
| 568 | bfa->msix.nvecs = 0; |
| 569 | } |
| 570 | |
| 571 | static void |
| 572 | bfa_iocfc_mem_claim(struct bfa_s *bfa, struct bfa_iocfc_cfg_s *cfg, |
| 573 | struct bfa_meminfo_s *meminfo) |
| 574 | { |
| 575 | u8 *dm_kva; |
| 576 | u64 dm_pa; |
| 577 | int i, per_reqq_sz, per_rspq_sz; |
| 578 | struct bfa_iocfc_s *iocfc = &bfa->iocfc; |
| 579 | int dbgsz; |
| 580 | |
| 581 | dm_kva = bfa_meminfo_dma_virt(meminfo); |
| 582 | dm_pa = bfa_meminfo_dma_phys(meminfo); |
| 583 | |
| 584 | /* |
| 585 | * First allocate dma memory for IOC. |
| 586 | */ |
| 587 | bfa_ioc_mem_claim(&bfa->ioc, dm_kva, dm_pa); |
Maggie Zhang | f7f73812 | 2010-12-09 19:08:43 -0800 | [diff] [blame] | 588 | dm_kva += BFA_ROUNDUP(sizeof(struct bfi_ioc_attr_s), BFA_DMA_ALIGN_SZ); |
| 589 | dm_pa += BFA_ROUNDUP(sizeof(struct bfi_ioc_attr_s), BFA_DMA_ALIGN_SZ); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 590 | |
| 591 | /* |
| 592 | * Claim DMA-able memory for the request/response queues and for shadow |
| 593 | * ci/pi registers |
| 594 | */ |
| 595 | per_reqq_sz = BFA_ROUNDUP((cfg->drvcfg.num_reqq_elems * BFI_LMSG_SZ), |
| 596 | BFA_DMA_ALIGN_SZ); |
| 597 | per_rspq_sz = BFA_ROUNDUP((cfg->drvcfg.num_rspq_elems * BFI_LMSG_SZ), |
| 598 | BFA_DMA_ALIGN_SZ); |
| 599 | |
| 600 | for (i = 0; i < cfg->fwcfg.num_cqs; i++) { |
| 601 | iocfc->req_cq_ba[i].kva = dm_kva; |
| 602 | iocfc->req_cq_ba[i].pa = dm_pa; |
Jing Huang | 6a18b16 | 2010-10-18 17:08:54 -0700 | [diff] [blame] | 603 | memset(dm_kva, 0, per_reqq_sz); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 604 | dm_kva += per_reqq_sz; |
| 605 | dm_pa += per_reqq_sz; |
| 606 | |
| 607 | iocfc->rsp_cq_ba[i].kva = dm_kva; |
| 608 | iocfc->rsp_cq_ba[i].pa = dm_pa; |
Jing Huang | 6a18b16 | 2010-10-18 17:08:54 -0700 | [diff] [blame] | 609 | memset(dm_kva, 0, per_rspq_sz); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 610 | dm_kva += per_rspq_sz; |
| 611 | dm_pa += per_rspq_sz; |
| 612 | } |
| 613 | |
| 614 | for (i = 0; i < cfg->fwcfg.num_cqs; i++) { |
| 615 | iocfc->req_cq_shadow_ci[i].kva = dm_kva; |
| 616 | iocfc->req_cq_shadow_ci[i].pa = dm_pa; |
| 617 | dm_kva += BFA_CACHELINE_SZ; |
| 618 | dm_pa += BFA_CACHELINE_SZ; |
| 619 | |
| 620 | iocfc->rsp_cq_shadow_pi[i].kva = dm_kva; |
| 621 | iocfc->rsp_cq_shadow_pi[i].pa = dm_pa; |
| 622 | dm_kva += BFA_CACHELINE_SZ; |
| 623 | dm_pa += BFA_CACHELINE_SZ; |
| 624 | } |
| 625 | |
| 626 | /* |
| 627 | * Claim DMA-able memory for the config info page |
| 628 | */ |
| 629 | bfa->iocfc.cfg_info.kva = dm_kva; |
| 630 | bfa->iocfc.cfg_info.pa = dm_pa; |
| 631 | bfa->iocfc.cfginfo = (struct bfi_iocfc_cfg_s *) dm_kva; |
| 632 | dm_kva += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ); |
| 633 | dm_pa += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ); |
| 634 | |
| 635 | /* |
| 636 | * Claim DMA-able memory for the config response |
| 637 | */ |
| 638 | bfa->iocfc.cfgrsp_dma.kva = dm_kva; |
| 639 | bfa->iocfc.cfgrsp_dma.pa = dm_pa; |
| 640 | bfa->iocfc.cfgrsp = (struct bfi_iocfc_cfgrsp_s *) dm_kva; |
| 641 | |
| 642 | dm_kva += |
| 643 | BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s), |
| 644 | BFA_CACHELINE_SZ); |
| 645 | dm_pa += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s), |
| 646 | BFA_CACHELINE_SZ); |
| 647 | |
| 648 | |
| 649 | bfa_meminfo_dma_virt(meminfo) = dm_kva; |
| 650 | bfa_meminfo_dma_phys(meminfo) = dm_pa; |
| 651 | |
Maggie Zhang | f7f73812 | 2010-12-09 19:08:43 -0800 | [diff] [blame] | 652 | dbgsz = (bfa_auto_recover) ? BFA_DBG_FWTRC_LEN : 0; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 653 | if (dbgsz > 0) { |
| 654 | bfa_ioc_debug_memclaim(&bfa->ioc, bfa_meminfo_kva(meminfo)); |
| 655 | bfa_meminfo_kva(meminfo) += dbgsz; |
| 656 | } |
| 657 | } |
| 658 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 659 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 660 | * Start BFA submodules. |
| 661 | */ |
| 662 | static void |
| 663 | bfa_iocfc_start_submod(struct bfa_s *bfa) |
| 664 | { |
| 665 | int i; |
| 666 | |
Krishna Gudipati | 775c774 | 2011-06-13 15:52:12 -0700 | [diff] [blame] | 667 | bfa->queue_process = BFA_TRUE; |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 668 | for (i = 0; i < BFI_IOC_MAX_CQS; i++) |
| 669 | bfa->iocfc.hwif.hw_rspq_ack(bfa, i); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 670 | |
| 671 | for (i = 0; hal_mods[i]; i++) |
| 672 | hal_mods[i]->start(bfa); |
| 673 | } |
| 674 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 675 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 676 | * Disable BFA submodules. |
| 677 | */ |
| 678 | static void |
| 679 | bfa_iocfc_disable_submod(struct bfa_s *bfa) |
| 680 | { |
| 681 | int i; |
| 682 | |
| 683 | for (i = 0; hal_mods[i]; i++) |
| 684 | hal_mods[i]->iocdisable(bfa); |
| 685 | } |
| 686 | |
| 687 | static void |
| 688 | bfa_iocfc_init_cb(void *bfa_arg, bfa_boolean_t complete) |
| 689 | { |
| 690 | struct bfa_s *bfa = bfa_arg; |
| 691 | |
| 692 | if (complete) { |
| 693 | if (bfa->iocfc.cfgdone) |
| 694 | bfa_cb_init(bfa->bfad, BFA_STATUS_OK); |
| 695 | else |
| 696 | bfa_cb_init(bfa->bfad, BFA_STATUS_FAILED); |
| 697 | } else { |
| 698 | if (bfa->iocfc.cfgdone) |
| 699 | bfa->iocfc.action = BFA_IOCFC_ACT_NONE; |
| 700 | } |
| 701 | } |
| 702 | |
| 703 | static void |
| 704 | bfa_iocfc_stop_cb(void *bfa_arg, bfa_boolean_t compl) |
| 705 | { |
| 706 | struct bfa_s *bfa = bfa_arg; |
| 707 | struct bfad_s *bfad = bfa->bfad; |
| 708 | |
| 709 | if (compl) |
| 710 | complete(&bfad->comp); |
| 711 | else |
| 712 | bfa->iocfc.action = BFA_IOCFC_ACT_NONE; |
| 713 | } |
| 714 | |
| 715 | static void |
| 716 | bfa_iocfc_disable_cb(void *bfa_arg, bfa_boolean_t compl) |
| 717 | { |
| 718 | struct bfa_s *bfa = bfa_arg; |
| 719 | struct bfad_s *bfad = bfa->bfad; |
| 720 | |
| 721 | if (compl) |
| 722 | complete(&bfad->disable_comp); |
| 723 | } |
| 724 | |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 725 | /** |
| 726 | * configure queue registers from firmware response |
| 727 | */ |
| 728 | static void |
| 729 | bfa_iocfc_qreg(struct bfa_s *bfa, struct bfi_iocfc_qreg_s *qreg) |
| 730 | { |
| 731 | int i; |
| 732 | struct bfa_iocfc_regs_s *r = &bfa->iocfc.bfa_regs; |
| 733 | void __iomem *kva = bfa_ioc_bar0(&bfa->ioc); |
| 734 | |
| 735 | for (i = 0; i < BFI_IOC_MAX_CQS; i++) { |
| 736 | r->cpe_q_ci[i] = kva + be32_to_cpu(qreg->cpe_q_ci_off[i]); |
| 737 | r->cpe_q_pi[i] = kva + be32_to_cpu(qreg->cpe_q_pi_off[i]); |
| 738 | r->cpe_q_ctrl[i] = kva + be32_to_cpu(qreg->cpe_qctl_off[i]); |
| 739 | r->rme_q_ci[i] = kva + be32_to_cpu(qreg->rme_q_ci_off[i]); |
| 740 | r->rme_q_pi[i] = kva + be32_to_cpu(qreg->rme_q_pi_off[i]); |
| 741 | r->rme_q_ctrl[i] = kva + be32_to_cpu(qreg->rme_qctl_off[i]); |
| 742 | } |
| 743 | } |
| 744 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 745 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 746 | * Update BFA configuration from firmware configuration. |
| 747 | */ |
| 748 | static void |
| 749 | bfa_iocfc_cfgrsp(struct bfa_s *bfa) |
| 750 | { |
| 751 | struct bfa_iocfc_s *iocfc = &bfa->iocfc; |
| 752 | struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp; |
| 753 | struct bfa_iocfc_fwcfg_s *fwcfg = &cfgrsp->fwcfg; |
| 754 | |
| 755 | fwcfg->num_cqs = fwcfg->num_cqs; |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 756 | fwcfg->num_ioim_reqs = be16_to_cpu(fwcfg->num_ioim_reqs); |
Krishna Gudipati | e2187d7 | 2011-06-13 15:53:58 -0700 | [diff] [blame] | 757 | fwcfg->num_fwtio_reqs = be16_to_cpu(fwcfg->num_fwtio_reqs); |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 758 | fwcfg->num_tskim_reqs = be16_to_cpu(fwcfg->num_tskim_reqs); |
| 759 | fwcfg->num_fcxp_reqs = be16_to_cpu(fwcfg->num_fcxp_reqs); |
| 760 | fwcfg->num_uf_bufs = be16_to_cpu(fwcfg->num_uf_bufs); |
| 761 | fwcfg->num_rports = be16_to_cpu(fwcfg->num_rports); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 762 | |
| 763 | iocfc->cfgdone = BFA_TRUE; |
| 764 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 765 | /* |
Krishna Gudipati | 1118920 | 2011-06-13 15:50:35 -0700 | [diff] [blame] | 766 | * configure queue register offsets as learnt from firmware |
| 767 | */ |
| 768 | bfa_iocfc_qreg(bfa, &cfgrsp->qreg); |
| 769 | |
| 770 | /* |
Krishna Gudipati | 775c774 | 2011-06-13 15:52:12 -0700 | [diff] [blame] | 771 | * Install MSIX queue handlers |
| 772 | */ |
| 773 | bfa_msix_queue_install(bfa); |
| 774 | |
| 775 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 776 | * Configuration is complete - initialize/start submodules |
| 777 | */ |
| 778 | bfa_fcport_init(bfa); |
| 779 | |
| 780 | if (iocfc->action == BFA_IOCFC_ACT_INIT) |
| 781 | bfa_cb_queue(bfa, &iocfc->init_hcb_qe, bfa_iocfc_init_cb, bfa); |
| 782 | else |
| 783 | bfa_iocfc_start_submod(bfa); |
| 784 | } |
| 785 | void |
| 786 | bfa_iocfc_reset_queues(struct bfa_s *bfa) |
| 787 | { |
| 788 | int q; |
| 789 | |
| 790 | for (q = 0; q < BFI_IOC_MAX_CQS; q++) { |
| 791 | bfa_reqq_ci(bfa, q) = 0; |
| 792 | bfa_reqq_pi(bfa, q) = 0; |
| 793 | bfa_rspq_ci(bfa, q) = 0; |
| 794 | bfa_rspq_pi(bfa, q) = 0; |
| 795 | } |
| 796 | } |
| 797 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 798 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 799 | * IOC enable request is complete |
| 800 | */ |
| 801 | static void |
| 802 | bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status) |
| 803 | { |
| 804 | struct bfa_s *bfa = bfa_arg; |
| 805 | |
| 806 | if (status != BFA_STATUS_OK) { |
| 807 | bfa_isr_disable(bfa); |
| 808 | if (bfa->iocfc.action == BFA_IOCFC_ACT_INIT) |
| 809 | bfa_cb_queue(bfa, &bfa->iocfc.init_hcb_qe, |
| 810 | bfa_iocfc_init_cb, bfa); |
| 811 | return; |
| 812 | } |
| 813 | |
| 814 | bfa_iocfc_send_cfg(bfa); |
| 815 | } |
| 816 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 817 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 818 | * IOC disable request is complete |
| 819 | */ |
| 820 | static void |
| 821 | bfa_iocfc_disable_cbfn(void *bfa_arg) |
| 822 | { |
| 823 | struct bfa_s *bfa = bfa_arg; |
| 824 | |
| 825 | bfa_isr_disable(bfa); |
| 826 | bfa_iocfc_disable_submod(bfa); |
| 827 | |
| 828 | if (bfa->iocfc.action == BFA_IOCFC_ACT_STOP) |
| 829 | bfa_cb_queue(bfa, &bfa->iocfc.stop_hcb_qe, bfa_iocfc_stop_cb, |
| 830 | bfa); |
| 831 | else { |
Jing Huang | d4b671c | 2010-12-26 21:46:35 -0800 | [diff] [blame] | 832 | WARN_ON(bfa->iocfc.action != BFA_IOCFC_ACT_DISABLE); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 833 | bfa_cb_queue(bfa, &bfa->iocfc.dis_hcb_qe, bfa_iocfc_disable_cb, |
| 834 | bfa); |
| 835 | } |
| 836 | } |
| 837 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 838 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 839 | * Notify sub-modules of hardware failure. |
| 840 | */ |
| 841 | static void |
| 842 | bfa_iocfc_hbfail_cbfn(void *bfa_arg) |
| 843 | { |
| 844 | struct bfa_s *bfa = bfa_arg; |
| 845 | |
Krishna Gudipati | 775c774 | 2011-06-13 15:52:12 -0700 | [diff] [blame] | 846 | bfa->queue_process = BFA_FALSE; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 847 | |
| 848 | bfa_isr_disable(bfa); |
| 849 | bfa_iocfc_disable_submod(bfa); |
| 850 | |
| 851 | if (bfa->iocfc.action == BFA_IOCFC_ACT_INIT) |
| 852 | bfa_cb_queue(bfa, &bfa->iocfc.init_hcb_qe, bfa_iocfc_init_cb, |
| 853 | bfa); |
| 854 | } |
| 855 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 856 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 857 | * Actions on chip-reset completion. |
| 858 | */ |
| 859 | static void |
| 860 | bfa_iocfc_reset_cbfn(void *bfa_arg) |
| 861 | { |
| 862 | struct bfa_s *bfa = bfa_arg; |
| 863 | |
| 864 | bfa_iocfc_reset_queues(bfa); |
| 865 | bfa_isr_enable(bfa); |
| 866 | } |
| 867 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 868 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 869 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 870 | * Query IOC memory requirement information. |
| 871 | */ |
| 872 | void |
| 873 | bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, |
| 874 | u32 *dm_len) |
| 875 | { |
| 876 | /* dma memory for IOC */ |
Maggie Zhang | f7f73812 | 2010-12-09 19:08:43 -0800 | [diff] [blame] | 877 | *dm_len += BFA_ROUNDUP(sizeof(struct bfi_ioc_attr_s), BFA_DMA_ALIGN_SZ); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 878 | |
| 879 | bfa_iocfc_fw_cfg_sz(cfg, dm_len); |
| 880 | bfa_iocfc_cqs_sz(cfg, dm_len); |
Maggie Zhang | f7f73812 | 2010-12-09 19:08:43 -0800 | [diff] [blame] | 881 | *km_len += (bfa_auto_recover) ? BFA_DBG_FWTRC_LEN : 0; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 882 | } |
| 883 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 884 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 885 | * Query IOC memory requirement information. |
| 886 | */ |
| 887 | void |
| 888 | bfa_iocfc_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, |
| 889 | struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) |
| 890 | { |
| 891 | int i; |
| 892 | struct bfa_ioc_s *ioc = &bfa->ioc; |
| 893 | |
| 894 | bfa_iocfc_cbfn.enable_cbfn = bfa_iocfc_enable_cbfn; |
| 895 | bfa_iocfc_cbfn.disable_cbfn = bfa_iocfc_disable_cbfn; |
| 896 | bfa_iocfc_cbfn.hbfail_cbfn = bfa_iocfc_hbfail_cbfn; |
| 897 | bfa_iocfc_cbfn.reset_cbfn = bfa_iocfc_reset_cbfn; |
| 898 | |
| 899 | ioc->trcmod = bfa->trcmod; |
| 900 | bfa_ioc_attach(&bfa->ioc, bfa, &bfa_iocfc_cbfn, &bfa->timer_mod); |
| 901 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 902 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 903 | * Set FC mode for BFA_PCI_DEVICE_ID_CT_FC. |
| 904 | */ |
| 905 | if (pcidev->device_id == BFA_PCI_DEVICE_ID_CT_FC) |
| 906 | bfa_ioc_set_fcmode(&bfa->ioc); |
| 907 | |
Krishna Gudipati | d37779f | 2011-06-13 15:42:10 -0700 | [diff] [blame] | 908 | bfa_ioc_pci_init(&bfa->ioc, pcidev, BFI_PCIFN_CLASS_FC); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 909 | bfa_ioc_mbox_register(&bfa->ioc, bfa_mbox_isrs); |
| 910 | |
| 911 | bfa_iocfc_init_mem(bfa, bfad, cfg, pcidev); |
| 912 | bfa_iocfc_mem_claim(bfa, cfg, meminfo); |
Maggie Zhang | f7f73812 | 2010-12-09 19:08:43 -0800 | [diff] [blame] | 913 | INIT_LIST_HEAD(&bfa->timer_mod.timer_q); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 914 | |
| 915 | INIT_LIST_HEAD(&bfa->comp_q); |
| 916 | for (i = 0; i < BFI_IOC_MAX_CQS; i++) |
| 917 | INIT_LIST_HEAD(&bfa->reqq_waitq[i]); |
| 918 | } |
| 919 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 920 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 921 | * Query IOC memory requirement information. |
| 922 | */ |
| 923 | void |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 924 | bfa_iocfc_init(struct bfa_s *bfa) |
| 925 | { |
| 926 | bfa->iocfc.action = BFA_IOCFC_ACT_INIT; |
| 927 | bfa_ioc_enable(&bfa->ioc); |
| 928 | } |
| 929 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 930 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 931 | * IOC start called from bfa_start(). Called to start IOC operations |
| 932 | * at driver instantiation for this instance. |
| 933 | */ |
| 934 | void |
| 935 | bfa_iocfc_start(struct bfa_s *bfa) |
| 936 | { |
| 937 | if (bfa->iocfc.cfgdone) |
| 938 | bfa_iocfc_start_submod(bfa); |
| 939 | } |
| 940 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 941 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 942 | * IOC stop called from bfa_stop(). Called only when driver is unloaded |
| 943 | * for this instance. |
| 944 | */ |
| 945 | void |
| 946 | bfa_iocfc_stop(struct bfa_s *bfa) |
| 947 | { |
| 948 | bfa->iocfc.action = BFA_IOCFC_ACT_STOP; |
| 949 | |
Krishna Gudipati | 775c774 | 2011-06-13 15:52:12 -0700 | [diff] [blame] | 950 | bfa->queue_process = BFA_FALSE; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 951 | bfa_ioc_disable(&bfa->ioc); |
| 952 | } |
| 953 | |
| 954 | void |
| 955 | bfa_iocfc_isr(void *bfaarg, struct bfi_mbmsg_s *m) |
| 956 | { |
| 957 | struct bfa_s *bfa = bfaarg; |
| 958 | struct bfa_iocfc_s *iocfc = &bfa->iocfc; |
| 959 | union bfi_iocfc_i2h_msg_u *msg; |
| 960 | |
| 961 | msg = (union bfi_iocfc_i2h_msg_u *) m; |
| 962 | bfa_trc(bfa, msg->mh.msg_id); |
| 963 | |
| 964 | switch (msg->mh.msg_id) { |
| 965 | case BFI_IOCFC_I2H_CFG_REPLY: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 966 | bfa_iocfc_cfgrsp(bfa); |
| 967 | break; |
| 968 | case BFI_IOCFC_I2H_UPDATEQ_RSP: |
| 969 | iocfc->updateq_cbfn(iocfc->updateq_cbarg, BFA_STATUS_OK); |
| 970 | break; |
| 971 | default: |
Jing Huang | d4b671c | 2010-12-26 21:46:35 -0800 | [diff] [blame] | 972 | WARN_ON(1); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 973 | } |
| 974 | } |
| 975 | |
| 976 | void |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 977 | bfa_iocfc_get_attr(struct bfa_s *bfa, struct bfa_iocfc_attr_s *attr) |
| 978 | { |
| 979 | struct bfa_iocfc_s *iocfc = &bfa->iocfc; |
| 980 | |
| 981 | attr->intr_attr.coalesce = iocfc->cfginfo->intr_attr.coalesce; |
| 982 | |
| 983 | attr->intr_attr.delay = iocfc->cfginfo->intr_attr.delay ? |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 984 | be16_to_cpu(iocfc->cfginfo->intr_attr.delay) : |
| 985 | be16_to_cpu(iocfc->cfgrsp->intr_attr.delay); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 986 | |
| 987 | attr->intr_attr.latency = iocfc->cfginfo->intr_attr.latency ? |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 988 | be16_to_cpu(iocfc->cfginfo->intr_attr.latency) : |
| 989 | be16_to_cpu(iocfc->cfgrsp->intr_attr.latency); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 990 | |
| 991 | attr->config = iocfc->cfg; |
| 992 | } |
| 993 | |
| 994 | bfa_status_t |
| 995 | bfa_iocfc_israttr_set(struct bfa_s *bfa, struct bfa_iocfc_intr_attr_s *attr) |
| 996 | { |
| 997 | struct bfa_iocfc_s *iocfc = &bfa->iocfc; |
| 998 | struct bfi_iocfc_set_intr_req_s *m; |
| 999 | |
| 1000 | iocfc->cfginfo->intr_attr.coalesce = attr->coalesce; |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 1001 | iocfc->cfginfo->intr_attr.delay = cpu_to_be16(attr->delay); |
| 1002 | iocfc->cfginfo->intr_attr.latency = cpu_to_be16(attr->latency); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1003 | |
| 1004 | if (!bfa_iocfc_is_operational(bfa)) |
| 1005 | return BFA_STATUS_OK; |
| 1006 | |
| 1007 | m = bfa_reqq_next(bfa, BFA_REQQ_IOC); |
| 1008 | if (!m) |
| 1009 | return BFA_STATUS_DEVBUSY; |
| 1010 | |
| 1011 | bfi_h2i_set(m->mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_SET_INTR_REQ, |
| 1012 | bfa_lpuid(bfa)); |
| 1013 | m->coalesce = iocfc->cfginfo->intr_attr.coalesce; |
| 1014 | m->delay = iocfc->cfginfo->intr_attr.delay; |
| 1015 | m->latency = iocfc->cfginfo->intr_attr.latency; |
| 1016 | |
| 1017 | bfa_trc(bfa, attr->delay); |
| 1018 | bfa_trc(bfa, attr->latency); |
| 1019 | |
| 1020 | bfa_reqq_produce(bfa, BFA_REQQ_IOC); |
| 1021 | return BFA_STATUS_OK; |
| 1022 | } |
| 1023 | |
| 1024 | void |
| 1025 | bfa_iocfc_set_snsbase(struct bfa_s *bfa, u64 snsbase_pa) |
| 1026 | { |
| 1027 | struct bfa_iocfc_s *iocfc = &bfa->iocfc; |
| 1028 | |
| 1029 | iocfc->cfginfo->sense_buf_len = (BFI_IOIM_SNSLEN - 1); |
| 1030 | bfa_dma_be_addr_set(iocfc->cfginfo->ioim_snsbase, snsbase_pa); |
| 1031 | } |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1032 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1033 | * Enable IOC after it is disabled. |
| 1034 | */ |
| 1035 | void |
| 1036 | bfa_iocfc_enable(struct bfa_s *bfa) |
| 1037 | { |
| 1038 | bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0, |
| 1039 | "IOC Enable"); |
| 1040 | bfa_ioc_enable(&bfa->ioc); |
| 1041 | } |
| 1042 | |
| 1043 | void |
| 1044 | bfa_iocfc_disable(struct bfa_s *bfa) |
| 1045 | { |
| 1046 | bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0, |
| 1047 | "IOC Disable"); |
| 1048 | bfa->iocfc.action = BFA_IOCFC_ACT_DISABLE; |
| 1049 | |
Krishna Gudipati | 775c774 | 2011-06-13 15:52:12 -0700 | [diff] [blame] | 1050 | bfa->queue_process = BFA_FALSE; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1051 | bfa_ioc_disable(&bfa->ioc); |
| 1052 | } |
| 1053 | |
| 1054 | |
| 1055 | bfa_boolean_t |
| 1056 | bfa_iocfc_is_operational(struct bfa_s *bfa) |
| 1057 | { |
| 1058 | return bfa_ioc_is_operational(&bfa->ioc) && bfa->iocfc.cfgdone; |
| 1059 | } |
| 1060 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1061 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1062 | * Return boot target port wwns -- read from boot information in flash. |
| 1063 | */ |
| 1064 | void |
| 1065 | bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t *wwns) |
| 1066 | { |
| 1067 | struct bfa_iocfc_s *iocfc = &bfa->iocfc; |
| 1068 | struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp; |
| 1069 | int i; |
| 1070 | |
| 1071 | if (cfgrsp->pbc_cfg.boot_enabled && cfgrsp->pbc_cfg.nbluns) { |
| 1072 | bfa_trc(bfa, cfgrsp->pbc_cfg.nbluns); |
| 1073 | *nwwns = cfgrsp->pbc_cfg.nbluns; |
| 1074 | for (i = 0; i < cfgrsp->pbc_cfg.nbluns; i++) |
| 1075 | wwns[i] = cfgrsp->pbc_cfg.blun[i].tgt_pwwn; |
| 1076 | |
| 1077 | return; |
| 1078 | } |
| 1079 | |
| 1080 | *nwwns = cfgrsp->bootwwns.nwwns; |
| 1081 | memcpy(wwns, cfgrsp->bootwwns.wwn, sizeof(cfgrsp->bootwwns.wwn)); |
| 1082 | } |
| 1083 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1084 | int |
| 1085 | bfa_iocfc_get_pbc_vports(struct bfa_s *bfa, struct bfi_pbc_vport_s *pbc_vport) |
| 1086 | { |
| 1087 | struct bfa_iocfc_s *iocfc = &bfa->iocfc; |
| 1088 | struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp; |
| 1089 | |
| 1090 | memcpy(pbc_vport, cfgrsp->pbc_cfg.vport, sizeof(cfgrsp->pbc_cfg.vport)); |
| 1091 | return cfgrsp->pbc_cfg.nvports; |
| 1092 | } |
| 1093 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1094 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1095 | /* |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1096 | * Use this function query the memory requirement of the BFA library. |
| 1097 | * This function needs to be called before bfa_attach() to get the |
| 1098 | * memory required of the BFA layer for a given driver configuration. |
| 1099 | * |
| 1100 | * This call will fail, if the cap is out of range compared to pre-defined |
| 1101 | * values within the BFA library |
| 1102 | * |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1103 | * @param[in] cfg - pointer to bfa_ioc_cfg_t. Driver layer should indicate |
| 1104 | * its configuration in this structure. |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1105 | * The default values for struct bfa_iocfc_cfg_s can be |
| 1106 | * fetched using bfa_cfg_get_default() API. |
| 1107 | * |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1108 | * If cap's boundary check fails, the library will use |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1109 | * the default bfa_cap_t values (and log a warning msg). |
| 1110 | * |
| 1111 | * @param[out] meminfo - pointer to bfa_meminfo_t. This content |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1112 | * indicates the memory type (see bfa_mem_type_t) and |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1113 | * amount of memory required. |
| 1114 | * |
| 1115 | * Driver should allocate the memory, populate the |
| 1116 | * starting address for each block and provide the same |
| 1117 | * structure as input parameter to bfa_attach() call. |
| 1118 | * |
| 1119 | * @return void |
| 1120 | * |
| 1121 | * Special Considerations: @note |
| 1122 | */ |
| 1123 | void |
| 1124 | bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo) |
| 1125 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1126 | int i; |
| 1127 | u32 km_len = 0, dm_len = 0; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1128 | |
Jing Huang | d4b671c | 2010-12-26 21:46:35 -0800 | [diff] [blame] | 1129 | WARN_ON((cfg == NULL) || (meminfo == NULL)); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1130 | |
Jing Huang | 6a18b16 | 2010-10-18 17:08:54 -0700 | [diff] [blame] | 1131 | memset((void *)meminfo, 0, sizeof(struct bfa_meminfo_s)); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1132 | meminfo->meminfo[BFA_MEM_TYPE_KVA - 1].mem_type = |
| 1133 | BFA_MEM_TYPE_KVA; |
| 1134 | meminfo->meminfo[BFA_MEM_TYPE_DMA - 1].mem_type = |
| 1135 | BFA_MEM_TYPE_DMA; |
| 1136 | |
| 1137 | bfa_iocfc_meminfo(cfg, &km_len, &dm_len); |
| 1138 | |
| 1139 | for (i = 0; hal_mods[i]; i++) |
| 1140 | hal_mods[i]->meminfo(cfg, &km_len, &dm_len); |
| 1141 | |
Krishna Gudipati | 7873ca4 | 2010-05-21 14:39:45 -0700 | [diff] [blame] | 1142 | dm_len += bfa_port_meminfo(); |
Krishna Gudipati | 1a4d8e1 | 2011-06-24 20:22:28 -0700 | [diff] [blame] | 1143 | dm_len += bfa_ablk_meminfo(); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1144 | |
| 1145 | meminfo->meminfo[BFA_MEM_TYPE_KVA - 1].mem_len = km_len; |
| 1146 | meminfo->meminfo[BFA_MEM_TYPE_DMA - 1].mem_len = dm_len; |
| 1147 | } |
| 1148 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1149 | /* |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1150 | * Use this function to do attach the driver instance with the BFA |
| 1151 | * library. This function will not trigger any HW initialization |
| 1152 | * process (which will be done in bfa_init() call) |
| 1153 | * |
| 1154 | * This call will fail, if the cap is out of range compared to |
| 1155 | * pre-defined values within the BFA library |
| 1156 | * |
| 1157 | * @param[out] bfa Pointer to bfa_t. |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1158 | * @param[in] bfad Opaque handle back to the driver's IOC structure |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1159 | * @param[in] cfg Pointer to bfa_ioc_cfg_t. Should be same structure |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1160 | * that was used in bfa_cfg_get_meminfo(). |
| 1161 | * @param[in] meminfo Pointer to bfa_meminfo_t. The driver should |
| 1162 | * use the bfa_cfg_get_meminfo() call to |
| 1163 | * find the memory blocks required, allocate the |
| 1164 | * required memory and provide the starting addresses. |
| 1165 | * @param[in] pcidev pointer to struct bfa_pcidev_s |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1166 | * |
| 1167 | * @return |
| 1168 | * void |
| 1169 | * |
| 1170 | * Special Considerations: |
| 1171 | * |
| 1172 | * @note |
| 1173 | * |
| 1174 | */ |
| 1175 | void |
| 1176 | bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, |
| 1177 | struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) |
| 1178 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1179 | int i; |
| 1180 | struct bfa_mem_elem_s *melem; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1181 | |
| 1182 | bfa->fcs = BFA_FALSE; |
| 1183 | |
Jing Huang | d4b671c | 2010-12-26 21:46:35 -0800 | [diff] [blame] | 1184 | WARN_ON((cfg == NULL) || (meminfo == NULL)); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1185 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1186 | /* |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1187 | * initialize all memory pointers for iterative allocation |
| 1188 | */ |
| 1189 | for (i = 0; i < BFA_MEM_TYPE_MAX; i++) { |
| 1190 | melem = meminfo->meminfo + i; |
| 1191 | melem->kva_curp = melem->kva; |
| 1192 | melem->dma_curp = melem->dma; |
| 1193 | } |
| 1194 | |
| 1195 | bfa_iocfc_attach(bfa, bfad, cfg, meminfo, pcidev); |
| 1196 | |
| 1197 | for (i = 0; hal_mods[i]; i++) |
| 1198 | hal_mods[i]->attach(bfa, bfad, cfg, meminfo, pcidev); |
| 1199 | |
Krishna Gudipati | 7873ca4 | 2010-05-21 14:39:45 -0700 | [diff] [blame] | 1200 | bfa_com_port_attach(bfa, meminfo); |
Krishna Gudipati | 1a4d8e1 | 2011-06-24 20:22:28 -0700 | [diff] [blame] | 1201 | bfa_com_ablk_attach(bfa, meminfo); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1202 | } |
| 1203 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1204 | /* |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1205 | * Use this function to delete a BFA IOC. IOC should be stopped (by |
| 1206 | * calling bfa_stop()) before this function call. |
| 1207 | * |
| 1208 | * @param[in] bfa - pointer to bfa_t. |
| 1209 | * |
| 1210 | * @return |
| 1211 | * void |
| 1212 | * |
| 1213 | * Special Considerations: |
| 1214 | * |
| 1215 | * @note |
| 1216 | */ |
| 1217 | void |
| 1218 | bfa_detach(struct bfa_s *bfa) |
| 1219 | { |
| 1220 | int i; |
| 1221 | |
| 1222 | for (i = 0; hal_mods[i]; i++) |
| 1223 | hal_mods[i]->detach(bfa); |
Maggie Zhang | f7f73812 | 2010-12-09 19:08:43 -0800 | [diff] [blame] | 1224 | bfa_ioc_detach(&bfa->ioc); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1225 | } |
| 1226 | |
| 1227 | void |
| 1228 | bfa_comp_deq(struct bfa_s *bfa, struct list_head *comp_q) |
| 1229 | { |
| 1230 | INIT_LIST_HEAD(comp_q); |
| 1231 | list_splice_tail_init(&bfa->comp_q, comp_q); |
| 1232 | } |
| 1233 | |
| 1234 | void |
| 1235 | bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q) |
| 1236 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1237 | struct list_head *qe; |
| 1238 | struct list_head *qen; |
| 1239 | struct bfa_cb_qe_s *hcb_qe; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1240 | |
| 1241 | list_for_each_safe(qe, qen, comp_q) { |
| 1242 | hcb_qe = (struct bfa_cb_qe_s *) qe; |
| 1243 | hcb_qe->cbfn(hcb_qe->cbarg, BFA_TRUE); |
| 1244 | } |
| 1245 | } |
| 1246 | |
| 1247 | void |
| 1248 | bfa_comp_free(struct bfa_s *bfa, struct list_head *comp_q) |
| 1249 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1250 | struct list_head *qe; |
| 1251 | struct bfa_cb_qe_s *hcb_qe; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1252 | |
| 1253 | while (!list_empty(comp_q)) { |
| 1254 | bfa_q_deq(comp_q, &qe); |
| 1255 | hcb_qe = (struct bfa_cb_qe_s *) qe; |
| 1256 | hcb_qe->cbfn(hcb_qe->cbarg, BFA_FALSE); |
| 1257 | } |
| 1258 | } |
| 1259 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1260 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1261 | /* |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1262 | * Return the list of PCI vendor/device id lists supported by this |
| 1263 | * BFA instance. |
| 1264 | */ |
| 1265 | void |
| 1266 | bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids) |
| 1267 | { |
| 1268 | static struct bfa_pciid_s __pciids[] = { |
| 1269 | {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G2P}, |
| 1270 | {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G1P}, |
| 1271 | {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT}, |
Jing Huang | 293f82d | 2010-07-08 19:45:20 -0700 | [diff] [blame] | 1272 | {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT_FC}, |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1273 | }; |
| 1274 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1275 | *npciids = sizeof(__pciids) / sizeof(__pciids[0]); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1276 | *pciids = __pciids; |
| 1277 | } |
| 1278 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1279 | /* |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1280 | * Use this function query the default struct bfa_iocfc_cfg_s value (compiled |
| 1281 | * into BFA layer). The OS driver can then turn back and overwrite entries that |
| 1282 | * have been configured by the user. |
| 1283 | * |
| 1284 | * @param[in] cfg - pointer to bfa_ioc_cfg_t |
| 1285 | * |
| 1286 | * @return |
| 1287 | * void |
| 1288 | * |
| 1289 | * Special Considerations: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1290 | * note |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1291 | */ |
| 1292 | void |
| 1293 | bfa_cfg_get_default(struct bfa_iocfc_cfg_s *cfg) |
| 1294 | { |
| 1295 | cfg->fwcfg.num_fabrics = DEF_CFG_NUM_FABRICS; |
| 1296 | cfg->fwcfg.num_lports = DEF_CFG_NUM_LPORTS; |
| 1297 | cfg->fwcfg.num_rports = DEF_CFG_NUM_RPORTS; |
| 1298 | cfg->fwcfg.num_ioim_reqs = DEF_CFG_NUM_IOIM_REQS; |
| 1299 | cfg->fwcfg.num_tskim_reqs = DEF_CFG_NUM_TSKIM_REQS; |
| 1300 | cfg->fwcfg.num_fcxp_reqs = DEF_CFG_NUM_FCXP_REQS; |
| 1301 | cfg->fwcfg.num_uf_bufs = DEF_CFG_NUM_UF_BUFS; |
| 1302 | cfg->fwcfg.num_cqs = DEF_CFG_NUM_CQS; |
Krishna Gudipati | e2187d7 | 2011-06-13 15:53:58 -0700 | [diff] [blame] | 1303 | cfg->fwcfg.num_fwtio_reqs = 0; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1304 | |
| 1305 | cfg->drvcfg.num_reqq_elems = DEF_CFG_NUM_REQQ_ELEMS; |
| 1306 | cfg->drvcfg.num_rspq_elems = DEF_CFG_NUM_RSPQ_ELEMS; |
| 1307 | cfg->drvcfg.num_sgpgs = DEF_CFG_NUM_SGPGS; |
| 1308 | cfg->drvcfg.num_sboot_tgts = DEF_CFG_NUM_SBOOT_TGTS; |
| 1309 | cfg->drvcfg.num_sboot_luns = DEF_CFG_NUM_SBOOT_LUNS; |
| 1310 | cfg->drvcfg.path_tov = BFA_FCPIM_PATHTOV_DEF; |
| 1311 | cfg->drvcfg.ioc_recover = BFA_FALSE; |
| 1312 | cfg->drvcfg.delay_comp = BFA_FALSE; |
| 1313 | |
| 1314 | } |
| 1315 | |
| 1316 | void |
| 1317 | bfa_cfg_get_min(struct bfa_iocfc_cfg_s *cfg) |
| 1318 | { |
| 1319 | bfa_cfg_get_default(cfg); |
| 1320 | cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MIN; |
| 1321 | cfg->fwcfg.num_tskim_reqs = BFA_TSKIM_MIN; |
| 1322 | cfg->fwcfg.num_fcxp_reqs = BFA_FCXP_MIN; |
| 1323 | cfg->fwcfg.num_uf_bufs = BFA_UF_MIN; |
| 1324 | cfg->fwcfg.num_rports = BFA_RPORT_MIN; |
Krishna Gudipati | e2187d7 | 2011-06-13 15:53:58 -0700 | [diff] [blame] | 1325 | cfg->fwcfg.num_fwtio_reqs = 0; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1326 | |
| 1327 | cfg->drvcfg.num_sgpgs = BFA_SGPG_MIN; |
| 1328 | cfg->drvcfg.num_reqq_elems = BFA_REQQ_NELEMS_MIN; |
| 1329 | cfg->drvcfg.num_rspq_elems = BFA_RSPQ_NELEMS_MIN; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1330 | cfg->drvcfg.min_cfg = BFA_TRUE; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1331 | } |