1 /* 2 * Linux network driver for QLogic BR-series Converged Network Adapter. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License (GPL) Version 2 as 6 * published by the Free Software Foundation 7 * 8 * This program is distributed in the hope that it will be useful, but 9 * WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 11 * General Public License for more details. 12 */ 13 /* 14 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. 15 * Copyright (c) 2014-2015 QLogic Corporation 16 * All rights reserved 17 * www.qlogic.com 18 */ 19 20 #ifndef __BFA_IOC_H__ 21 #define __BFA_IOC_H__ 22 23 #include "bfa_cs.h" 24 #include "bfi.h" 25 #include "cna.h" 26 27 #define BFA_IOC_TOV 3000 /* msecs */ 28 #define BFA_IOC_HWSEM_TOV 500 /* msecs */ 29 #define BFA_IOC_HB_TOV 500 /* msecs */ 30 #define BFA_IOC_POLL_TOV 200 /* msecs */ 31 #define BNA_DBG_FWTRC_LEN (BFI_IOC_TRC_ENTS * BFI_IOC_TRC_ENT_SZ + \ 32 BFI_IOC_TRC_HDR_SZ) 33 34 /* PCI device information required by IOC */ 35 struct bfa_pcidev { 36 int pci_slot; 37 u8 pci_func; 38 u16 device_id; 39 u16 ssid; 40 void __iomem *pci_bar_kva; 41 }; 42 43 /* Structure used to remember the DMA-able memory block's KVA and Physical 44 * Address 45 */ 46 struct bfa_dma { 47 void *kva; /* ! Kernel virtual address */ 48 u64 pa; /* ! Physical address */ 49 }; 50 51 #define BFA_DMA_ALIGN_SZ 256 52 53 /* smem size for Crossbow and Catapult */ 54 #define BFI_SMEM_CB_SIZE 0x200000U /* ! 2MB for crossbow */ 55 #define BFI_SMEM_CT_SIZE 0x280000U /* ! 2.5MB for catapult */ 56 57 /* BFA dma address assignment macro. (big endian format) */ 58 #define bfa_dma_be_addr_set(dma_addr, pa) \ 59 __bfa_dma_be_addr_set(&dma_addr, (u64)pa) 60 static inline void 61 __bfa_dma_be_addr_set(union bfi_addr_u *dma_addr, u64 pa) 62 { 63 dma_addr->a32.addr_lo = (u32) htonl(pa); 64 dma_addr->a32.addr_hi = (u32) htonl(upper_32_bits(pa)); 65 } 66 67 #define bfa_alen_set(__alen, __len, __pa) \ 68 __bfa_alen_set(__alen, __len, (u64)__pa) 69 70 static inline void 71 __bfa_alen_set(struct bfi_alen *alen, u32 len, u64 pa) 72 { 73 alen->al_len = cpu_to_be32(len); 74 bfa_dma_be_addr_set(alen->al_addr, pa); 75 } 76 77 struct bfa_ioc_regs { 78 void __iomem *hfn_mbox_cmd; 79 void __iomem *hfn_mbox; 80 void __iomem *lpu_mbox_cmd; 81 void __iomem *lpu_mbox; 82 void __iomem *lpu_read_stat; 83 void __iomem *pss_ctl_reg; 84 void __iomem *pss_err_status_reg; 85 void __iomem *app_pll_fast_ctl_reg; 86 void __iomem *app_pll_slow_ctl_reg; 87 void __iomem *ioc_sem_reg; 88 void __iomem *ioc_usage_sem_reg; 89 void __iomem *ioc_init_sem_reg; 90 void __iomem *ioc_usage_reg; 91 void __iomem *host_page_num_fn; 92 void __iomem *heartbeat; 93 void __iomem *ioc_fwstate; 94 void __iomem *alt_ioc_fwstate; 95 void __iomem *ll_halt; 96 void __iomem *alt_ll_halt; 97 void __iomem *err_set; 98 void __iomem *ioc_fail_sync; 99 void __iomem *shirq_isr_next; 100 void __iomem *shirq_msk_next; 101 void __iomem *smem_page_start; 102 u32 smem_pg0; 103 }; 104 105 /* IOC Mailbox structures */ 106 typedef void (*bfa_mbox_cmd_cbfn_t)(void *cbarg); 107 struct bfa_mbox_cmd { 108 struct list_head qe; 109 bfa_mbox_cmd_cbfn_t cbfn; 110 void *cbarg; 111 u32 msg[BFI_IOC_MSGSZ]; 112 }; 113 114 /* IOC mailbox module */ 115 typedef void (*bfa_ioc_mbox_mcfunc_t)(void *cbarg, struct bfi_mbmsg *m); 116 struct bfa_ioc_mbox_mod { 117 struct list_head cmd_q; /*!< pending mbox queue */ 118 int nmclass; /*!< number of handlers */ 119 struct { 120 bfa_ioc_mbox_mcfunc_t cbfn; /*!< message handlers */ 121 void *cbarg; 122 } mbhdlr[BFI_MC_MAX]; 123 }; 124 125 /* IOC callback function interfaces */ 126 typedef void (*bfa_ioc_enable_cbfn_t)(void *bfa, enum bfa_status status); 127 typedef void (*bfa_ioc_disable_cbfn_t)(void *bfa); 128 typedef void (*bfa_ioc_hbfail_cbfn_t)(void *bfa); 129 typedef void (*bfa_ioc_reset_cbfn_t)(void *bfa); 130 struct bfa_ioc_cbfn { 131 bfa_ioc_enable_cbfn_t enable_cbfn; 132 bfa_ioc_disable_cbfn_t disable_cbfn; 133 bfa_ioc_hbfail_cbfn_t hbfail_cbfn; 134 bfa_ioc_reset_cbfn_t reset_cbfn; 135 }; 136 137 /* IOC event notification mechanism. */ 138 enum bfa_ioc_event { 139 BFA_IOC_E_ENABLED = 1, 140 BFA_IOC_E_DISABLED = 2, 141 BFA_IOC_E_FAILED = 3, 142 }; 143 144 typedef void (*bfa_ioc_notify_cbfn_t)(void *, enum bfa_ioc_event); 145 146 struct bfa_ioc_notify { 147 struct list_head qe; 148 bfa_ioc_notify_cbfn_t cbfn; 149 void *cbarg; 150 }; 151 152 /* Initialize a IOC event notification structure */ 153 #define bfa_ioc_notify_init(__notify, __cbfn, __cbarg) do { \ 154 (__notify)->cbfn = (__cbfn); \ 155 (__notify)->cbarg = (__cbarg); \ 156 } while (0) 157 158 struct bfa_iocpf { 159 bfa_fsm_t fsm; 160 struct bfa_ioc *ioc; 161 bool fw_mismatch_notified; 162 bool auto_recover; 163 u32 poll_time; 164 }; 165 166 struct bfa_ioc { 167 bfa_fsm_t fsm; 168 struct bfa *bfa; 169 struct bfa_pcidev pcidev; 170 struct timer_list ioc_timer; 171 struct timer_list iocpf_timer; 172 struct timer_list sem_timer; 173 struct timer_list hb_timer; 174 u32 hb_count; 175 struct list_head notify_q; 176 void *dbg_fwsave; 177 int dbg_fwsave_len; 178 bool dbg_fwsave_once; 179 enum bfi_pcifn_class clscode; 180 struct bfa_ioc_regs ioc_regs; 181 struct bfa_ioc_drv_stats stats; 182 bool fcmode; 183 bool pllinit; 184 bool stats_busy; /*!< outstanding stats */ 185 u8 port_id; 186 187 struct bfa_dma attr_dma; 188 struct bfi_ioc_attr *attr; 189 struct bfa_ioc_cbfn *cbfn; 190 struct bfa_ioc_mbox_mod mbox_mod; 191 const struct bfa_ioc_hwif *ioc_hwif; 192 struct bfa_iocpf iocpf; 193 enum bfi_asic_gen asic_gen; 194 enum bfi_asic_mode asic_mode; 195 enum bfi_port_mode port0_mode; 196 enum bfi_port_mode port1_mode; 197 enum bfa_mode port_mode; 198 u8 ad_cap_bm; /*!< adapter cap bit mask */ 199 u8 port_mode_cfg; /*!< config port mode */ 200 }; 201 202 struct bfa_ioc_hwif { 203 enum bfa_status (*ioc_pll_init) (void __iomem *rb, 204 enum bfi_asic_mode m); 205 bool (*ioc_firmware_lock) (struct bfa_ioc *ioc); 206 void (*ioc_firmware_unlock) (struct bfa_ioc *ioc); 207 void (*ioc_reg_init) (struct bfa_ioc *ioc); 208 void (*ioc_map_port) (struct bfa_ioc *ioc); 209 void (*ioc_isr_mode_set) (struct bfa_ioc *ioc, 210 bool msix); 211 void (*ioc_notify_fail) (struct bfa_ioc *ioc); 212 void (*ioc_ownership_reset) (struct bfa_ioc *ioc); 213 bool (*ioc_sync_start) (struct bfa_ioc *ioc); 214 void (*ioc_sync_join) (struct bfa_ioc *ioc); 215 void (*ioc_sync_leave) (struct bfa_ioc *ioc); 216 void (*ioc_sync_ack) (struct bfa_ioc *ioc); 217 bool (*ioc_sync_complete) (struct bfa_ioc *ioc); 218 bool (*ioc_lpu_read_stat) (struct bfa_ioc *ioc); 219 void (*ioc_set_fwstate) (struct bfa_ioc *ioc, 220 enum bfi_ioc_state fwstate); 221 enum bfi_ioc_state (*ioc_get_fwstate) (struct bfa_ioc *ioc); 222 void (*ioc_set_alt_fwstate) (struct bfa_ioc *ioc, 223 enum bfi_ioc_state fwstate); 224 enum bfi_ioc_state (*ioc_get_alt_fwstate) (struct bfa_ioc *ioc); 225 226 }; 227 228 #define bfa_ioc_pcifn(__ioc) ((__ioc)->pcidev.pci_func) 229 #define bfa_ioc_devid(__ioc) ((__ioc)->pcidev.device_id) 230 #define bfa_ioc_bar0(__ioc) ((__ioc)->pcidev.pci_bar_kva) 231 #define bfa_ioc_portid(__ioc) ((__ioc)->port_id) 232 #define bfa_ioc_asic_gen(__ioc) ((__ioc)->asic_gen) 233 #define bfa_ioc_is_default(__ioc) \ 234 (bfa_ioc_pcifn(__ioc) == bfa_ioc_portid(__ioc)) 235 #define bfa_ioc_fetch_stats(__ioc, __stats) \ 236 (((__stats)->drv_stats) = (__ioc)->stats) 237 #define bfa_ioc_clr_stats(__ioc) \ 238 memset(&(__ioc)->stats, 0, sizeof((__ioc)->stats)) 239 #define bfa_ioc_maxfrsize(__ioc) ((__ioc)->attr->maxfrsize) 240 #define bfa_ioc_rx_bbcredit(__ioc) ((__ioc)->attr->rx_bbcredit) 241 #define bfa_ioc_speed_sup(__ioc) \ 242 BFI_ADAPTER_GETP(SPEED, (__ioc)->attr->adapter_prop) 243 #define bfa_ioc_get_nports(__ioc) \ 244 BFI_ADAPTER_GETP(NPORTS, (__ioc)->attr->adapter_prop) 245 246 #define bfa_ioc_stats(_ioc, _stats) ((_ioc)->stats._stats++) 247 #define bfa_ioc_stats_hb_count(_ioc, _hb_count) \ 248 ((_ioc)->stats.hb_count = (_hb_count)) 249 #define BFA_IOC_FWIMG_MINSZ (16 * 1024) 250 #define BFA_IOC_FW_SMEM_SIZE(__ioc) \ 251 ((bfa_ioc_asic_gen(__ioc) == BFI_ASIC_GEN_CB) \ 252 ? BFI_SMEM_CB_SIZE : BFI_SMEM_CT_SIZE) 253 #define BFA_IOC_FLASH_CHUNK_NO(off) (off / BFI_FLASH_CHUNK_SZ_WORDS) 254 #define BFA_IOC_FLASH_OFFSET_IN_CHUNK(off) (off % BFI_FLASH_CHUNK_SZ_WORDS) 255 #define BFA_IOC_FLASH_CHUNK_ADDR(chunkno) (chunkno * BFI_FLASH_CHUNK_SZ_WORDS) 256 257 /* IOC mailbox interface */ 258 bool bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc, 259 struct bfa_mbox_cmd *cmd, 260 bfa_mbox_cmd_cbfn_t cbfn, void *cbarg); 261 void bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc); 262 void bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc, 263 bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg); 264 265 /* IOC interfaces */ 266 267 #define bfa_ioc_pll_init_asic(__ioc) \ 268 ((__ioc)->ioc_hwif->ioc_pll_init((__ioc)->pcidev.pci_bar_kva, \ 269 (__ioc)->asic_mode)) 270 271 #define bfa_ioc_isr_mode_set(__ioc, __msix) do { \ 272 if ((__ioc)->ioc_hwif->ioc_isr_mode_set) \ 273 ((__ioc)->ioc_hwif->ioc_isr_mode_set(__ioc, __msix)); \ 274 } while (0) 275 #define bfa_ioc_ownership_reset(__ioc) \ 276 ((__ioc)->ioc_hwif->ioc_ownership_reset(__ioc)) 277 278 #define bfa_ioc_lpu_read_stat(__ioc) do { \ 279 if ((__ioc)->ioc_hwif->ioc_lpu_read_stat) \ 280 ((__ioc)->ioc_hwif->ioc_lpu_read_stat(__ioc)); \ 281 } while (0) 282 283 void bfa_nw_ioc_set_ct_hwif(struct bfa_ioc *ioc); 284 void bfa_nw_ioc_set_ct2_hwif(struct bfa_ioc *ioc); 285 void bfa_nw_ioc_ct2_poweron(struct bfa_ioc *ioc); 286 287 void bfa_nw_ioc_attach(struct bfa_ioc *ioc, void *bfa, 288 struct bfa_ioc_cbfn *cbfn); 289 void bfa_nw_ioc_auto_recover(bool auto_recover); 290 void bfa_nw_ioc_detach(struct bfa_ioc *ioc); 291 void bfa_nw_ioc_pci_init(struct bfa_ioc *ioc, struct bfa_pcidev *pcidev, 292 enum bfi_pcifn_class clscode); 293 u32 bfa_nw_ioc_meminfo(void); 294 void bfa_nw_ioc_mem_claim(struct bfa_ioc *ioc, u8 *dm_kva, u64 dm_pa); 295 void bfa_nw_ioc_enable(struct bfa_ioc *ioc); 296 void bfa_nw_ioc_disable(struct bfa_ioc *ioc); 297 298 void bfa_nw_ioc_error_isr(struct bfa_ioc *ioc); 299 bool bfa_nw_ioc_is_disabled(struct bfa_ioc *ioc); 300 bool bfa_nw_ioc_is_operational(struct bfa_ioc *ioc); 301 void bfa_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr); 302 enum bfa_status bfa_nw_ioc_fwsig_invalidate(struct bfa_ioc *ioc); 303 void bfa_nw_ioc_notify_register(struct bfa_ioc *ioc, 304 struct bfa_ioc_notify *notify); 305 bool bfa_nw_ioc_sem_get(void __iomem *sem_reg); 306 void bfa_nw_ioc_sem_release(void __iomem *sem_reg); 307 void bfa_nw_ioc_hw_sem_release(struct bfa_ioc *ioc); 308 void bfa_nw_ioc_fwver_get(struct bfa_ioc *ioc, 309 struct bfi_ioc_image_hdr *fwhdr); 310 bool bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc, 311 struct bfi_ioc_image_hdr *fwhdr); 312 mac_t bfa_nw_ioc_get_mac(struct bfa_ioc *ioc); 313 void bfa_nw_ioc_debug_memclaim(struct bfa_ioc *ioc, void *dbg_fwsave); 314 int bfa_nw_ioc_debug_fwtrc(struct bfa_ioc *ioc, void *trcdata, int *trclen); 315 int bfa_nw_ioc_debug_fwsave(struct bfa_ioc *ioc, void *trcdata, int *trclen); 316 317 /* 318 * Timeout APIs 319 */ 320 void bfa_nw_ioc_timeout(void *ioc); 321 void bfa_nw_ioc_hb_check(void *ioc); 322 void bfa_nw_iocpf_timeout(void *ioc); 323 void bfa_nw_iocpf_sem_timeout(void *ioc); 324 325 /* 326 * F/W Image Size & Chunk 327 */ 328 u32 *bfa_cb_image_get_chunk(enum bfi_asic_gen asic_gen, u32 off); 329 u32 bfa_cb_image_get_size(enum bfi_asic_gen asic_gen); 330 331 /* 332 * Flash module specific 333 */ 334 typedef void (*bfa_cb_flash) (void *cbarg, enum bfa_status status); 335 336 struct bfa_flash { 337 struct bfa_ioc *ioc; /* back pointer to ioc */ 338 u32 type; /* partition type */ 339 u8 instance; /* partition instance */ 340 u8 rsv[3]; 341 u32 op_busy; /* operation busy flag */ 342 u32 residue; /* residual length */ 343 u32 offset; /* offset */ 344 enum bfa_status status; /* status */ 345 u8 *dbuf_kva; /* dma buf virtual address */ 346 u64 dbuf_pa; /* dma buf physical address */ 347 bfa_cb_flash cbfn; /* user callback function */ 348 void *cbarg; /* user callback arg */ 349 u8 *ubuf; /* user supplied buffer */ 350 u32 addr_off; /* partition address offset */ 351 struct bfa_mbox_cmd mb; /* mailbox */ 352 struct bfa_ioc_notify ioc_notify; /* ioc event notify */ 353 }; 354 355 enum bfa_status bfa_nw_flash_get_attr(struct bfa_flash *flash, 356 struct bfa_flash_attr *attr, 357 bfa_cb_flash cbfn, void *cbarg); 358 enum bfa_status bfa_nw_flash_update_part(struct bfa_flash *flash, 359 u32 type, u8 instance, void *buf, u32 len, u32 offset, 360 bfa_cb_flash cbfn, void *cbarg); 361 enum bfa_status bfa_nw_flash_read_part(struct bfa_flash *flash, 362 u32 type, u8 instance, void *buf, u32 len, u32 offset, 363 bfa_cb_flash cbfn, void *cbarg); 364 u32 bfa_nw_flash_meminfo(void); 365 void bfa_nw_flash_attach(struct bfa_flash *flash, 366 struct bfa_ioc *ioc, void *dev); 367 void bfa_nw_flash_memclaim(struct bfa_flash *flash, u8 *dm_kva, u64 dm_pa); 368 369 #endif /* __BFA_IOC_H__ */ 370