1 /* 2 * Linux network driver for Brocade 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) 2005-2010 Brocade Communications Systems, Inc. 15 * All rights reserved 16 * www.brocade.com 17 */ 18 19 #ifndef __BFA_IOC_H__ 20 #define __BFA_IOC_H__ 21 22 #include "bfa_cs.h" 23 #include "bfi.h" 24 #include "cna.h" 25 26 #define BFA_IOC_TOV 3000 /* msecs */ 27 #define BFA_IOC_HWSEM_TOV 500 /* msecs */ 28 #define BFA_IOC_HB_TOV 500 /* msecs */ 29 #define BFA_IOC_POLL_TOV 200 /* msecs */ 30 #define BNA_DBG_FWTRC_LEN (BFI_IOC_TRC_ENTS * BFI_IOC_TRC_ENT_SZ + \ 31 BFI_IOC_TRC_HDR_SZ) 32 33 /* PCI device information required by IOC */ 34 struct bfa_pcidev { 35 int pci_slot; 36 u8 pci_func; 37 u16 device_id; 38 u16 ssid; 39 void __iomem *pci_bar_kva; 40 }; 41 42 /* Structure used to remember the DMA-able memory block's KVA and Physical 43 * Address 44 */ 45 struct bfa_dma { 46 void *kva; /* ! Kernel virtual address */ 47 u64 pa; /* ! Physical address */ 48 }; 49 50 #define BFA_DMA_ALIGN_SZ 256 51 52 /* smem size for Crossbow and Catapult */ 53 #define BFI_SMEM_CB_SIZE 0x200000U /* ! 2MB for crossbow */ 54 #define BFI_SMEM_CT_SIZE 0x280000U /* ! 2.5MB for catapult */ 55 56 /* BFA dma address assignment macro. (big endian format) */ 57 #define bfa_dma_be_addr_set(dma_addr, pa) \ 58 __bfa_dma_be_addr_set(&dma_addr, (u64)pa) 59 static inline void 60 __bfa_dma_be_addr_set(union bfi_addr_u *dma_addr, u64 pa) 61 { 62 dma_addr->a32.addr_lo = (u32) htonl(pa); 63 dma_addr->a32.addr_hi = (u32) htonl(upper_32_bits(pa)); 64 } 65 66 #define bfa_alen_set(__alen, __len, __pa) \ 67 __bfa_alen_set(__alen, __len, (u64)__pa) 68 69 static inline void 70 __bfa_alen_set(struct bfi_alen *alen, u32 len, u64 pa) 71 { 72 alen->al_len = cpu_to_be32(len); 73 bfa_dma_be_addr_set(alen->al_addr, pa); 74 } 75 76 struct bfa_ioc_regs { 77 void __iomem *hfn_mbox_cmd; 78 void __iomem *hfn_mbox; 79 void __iomem *lpu_mbox_cmd; 80 void __iomem *lpu_mbox; 81 void __iomem *lpu_read_stat; 82 void __iomem *pss_ctl_reg; 83 void __iomem *pss_err_status_reg; 84 void __iomem *app_pll_fast_ctl_reg; 85 void __iomem *app_pll_slow_ctl_reg; 86 void __iomem *ioc_sem_reg; 87 void __iomem *ioc_usage_sem_reg; 88 void __iomem *ioc_init_sem_reg; 89 void __iomem *ioc_usage_reg; 90 void __iomem *host_page_num_fn; 91 void __iomem *heartbeat; 92 void __iomem *ioc_fwstate; 93 void __iomem *alt_ioc_fwstate; 94 void __iomem *ll_halt; 95 void __iomem *alt_ll_halt; 96 void __iomem *err_set; 97 void __iomem *ioc_fail_sync; 98 void __iomem *shirq_isr_next; 99 void __iomem *shirq_msk_next; 100 void __iomem *smem_page_start; 101 u32 smem_pg0; 102 }; 103 104 /* IOC Mailbox structures */ 105 typedef void (*bfa_mbox_cmd_cbfn_t)(void *cbarg); 106 struct bfa_mbox_cmd { 107 struct list_head qe; 108 bfa_mbox_cmd_cbfn_t cbfn; 109 void *cbarg; 110 u32 msg[BFI_IOC_MSGSZ]; 111 }; 112 113 /* IOC mailbox module */ 114 typedef void (*bfa_ioc_mbox_mcfunc_t)(void *cbarg, struct bfi_mbmsg *m); 115 struct bfa_ioc_mbox_mod { 116 struct list_head cmd_q; /*!< pending mbox queue */ 117 int nmclass; /*!< number of handlers */ 118 struct { 119 bfa_ioc_mbox_mcfunc_t cbfn; /*!< message handlers */ 120 void *cbarg; 121 } mbhdlr[BFI_MC_MAX]; 122 }; 123 124 /* IOC callback function interfaces */ 125 typedef void (*bfa_ioc_enable_cbfn_t)(void *bfa, enum bfa_status status); 126 typedef void (*bfa_ioc_disable_cbfn_t)(void *bfa); 127 typedef void (*bfa_ioc_hbfail_cbfn_t)(void *bfa); 128 typedef void (*bfa_ioc_reset_cbfn_t)(void *bfa); 129 struct bfa_ioc_cbfn { 130 bfa_ioc_enable_cbfn_t enable_cbfn; 131 bfa_ioc_disable_cbfn_t disable_cbfn; 132 bfa_ioc_hbfail_cbfn_t hbfail_cbfn; 133 bfa_ioc_reset_cbfn_t reset_cbfn; 134 }; 135 136 /* IOC event notification mechanism. */ 137 enum bfa_ioc_event { 138 BFA_IOC_E_ENABLED = 1, 139 BFA_IOC_E_DISABLED = 2, 140 BFA_IOC_E_FAILED = 3, 141 }; 142 143 typedef void (*bfa_ioc_notify_cbfn_t)(void *, enum bfa_ioc_event); 144 145 struct bfa_ioc_notify { 146 struct list_head qe; 147 bfa_ioc_notify_cbfn_t cbfn; 148 void *cbarg; 149 }; 150 151 /* Initialize a IOC event notification structure */ 152 #define bfa_ioc_notify_init(__notify, __cbfn, __cbarg) do { \ 153 (__notify)->cbfn = (__cbfn); \ 154 (__notify)->cbarg = (__cbarg); \ 155 } while (0) 156 157 struct bfa_iocpf { 158 bfa_fsm_t fsm; 159 struct bfa_ioc *ioc; 160 bool fw_mismatch_notified; 161 bool auto_recover; 162 u32 poll_time; 163 }; 164 165 struct bfa_ioc { 166 bfa_fsm_t fsm; 167 struct bfa *bfa; 168 struct bfa_pcidev pcidev; 169 struct timer_list ioc_timer; 170 struct timer_list iocpf_timer; 171 struct timer_list sem_timer; 172 struct timer_list hb_timer; 173 u32 hb_count; 174 struct list_head notify_q; 175 void *dbg_fwsave; 176 int dbg_fwsave_len; 177 bool dbg_fwsave_once; 178 enum bfi_pcifn_class clscode; 179 struct bfa_ioc_regs ioc_regs; 180 struct bfa_ioc_drv_stats stats; 181 bool fcmode; 182 bool pllinit; 183 bool stats_busy; /*!< outstanding stats */ 184 u8 port_id; 185 186 struct bfa_dma attr_dma; 187 struct bfi_ioc_attr *attr; 188 struct bfa_ioc_cbfn *cbfn; 189 struct bfa_ioc_mbox_mod mbox_mod; 190 const struct bfa_ioc_hwif *ioc_hwif; 191 struct bfa_iocpf iocpf; 192 enum bfi_asic_gen asic_gen; 193 enum bfi_asic_mode asic_mode; 194 enum bfi_port_mode port0_mode; 195 enum bfi_port_mode port1_mode; 196 enum bfa_mode port_mode; 197 u8 ad_cap_bm; /*!< adapter cap bit mask */ 198 u8 port_mode_cfg; /*!< config port mode */ 199 }; 200 201 struct bfa_ioc_hwif { 202 enum bfa_status (*ioc_pll_init) (void __iomem *rb, 203 enum bfi_asic_mode m); 204 bool (*ioc_firmware_lock) (struct bfa_ioc *ioc); 205 void (*ioc_firmware_unlock) (struct bfa_ioc *ioc); 206 void (*ioc_reg_init) (struct bfa_ioc *ioc); 207 void (*ioc_map_port) (struct bfa_ioc *ioc); 208 void (*ioc_isr_mode_set) (struct bfa_ioc *ioc, 209 bool msix); 210 void (*ioc_notify_fail) (struct bfa_ioc *ioc); 211 void (*ioc_ownership_reset) (struct bfa_ioc *ioc); 212 bool (*ioc_sync_start) (struct bfa_ioc *ioc); 213 void (*ioc_sync_join) (struct bfa_ioc *ioc); 214 void (*ioc_sync_leave) (struct bfa_ioc *ioc); 215 void (*ioc_sync_ack) (struct bfa_ioc *ioc); 216 bool (*ioc_sync_complete) (struct bfa_ioc *ioc); 217 bool (*ioc_lpu_read_stat) (struct bfa_ioc *ioc); 218 }; 219 220 #define bfa_ioc_pcifn(__ioc) ((__ioc)->pcidev.pci_func) 221 #define bfa_ioc_devid(__ioc) ((__ioc)->pcidev.device_id) 222 #define bfa_ioc_bar0(__ioc) ((__ioc)->pcidev.pci_bar_kva) 223 #define bfa_ioc_portid(__ioc) ((__ioc)->port_id) 224 #define bfa_ioc_asic_gen(__ioc) ((__ioc)->asic_gen) 225 #define bfa_ioc_fetch_stats(__ioc, __stats) \ 226 (((__stats)->drv_stats) = (__ioc)->stats) 227 #define bfa_ioc_clr_stats(__ioc) \ 228 memset(&(__ioc)->stats, 0, sizeof((__ioc)->stats)) 229 #define bfa_ioc_maxfrsize(__ioc) ((__ioc)->attr->maxfrsize) 230 #define bfa_ioc_rx_bbcredit(__ioc) ((__ioc)->attr->rx_bbcredit) 231 #define bfa_ioc_speed_sup(__ioc) \ 232 BFI_ADAPTER_GETP(SPEED, (__ioc)->attr->adapter_prop) 233 #define bfa_ioc_get_nports(__ioc) \ 234 BFI_ADAPTER_GETP(NPORTS, (__ioc)->attr->adapter_prop) 235 236 #define bfa_ioc_stats(_ioc, _stats) ((_ioc)->stats._stats++) 237 #define bfa_ioc_stats_hb_count(_ioc, _hb_count) \ 238 ((_ioc)->stats.hb_count = (_hb_count)) 239 #define BFA_IOC_FWIMG_MINSZ (16 * 1024) 240 #define BFA_IOC_FW_SMEM_SIZE(__ioc) \ 241 ((bfa_ioc_asic_gen(__ioc) == BFI_ASIC_GEN_CB) \ 242 ? BFI_SMEM_CB_SIZE : BFI_SMEM_CT_SIZE) 243 #define BFA_IOC_FLASH_CHUNK_NO(off) (off / BFI_FLASH_CHUNK_SZ_WORDS) 244 #define BFA_IOC_FLASH_OFFSET_IN_CHUNK(off) (off % BFI_FLASH_CHUNK_SZ_WORDS) 245 #define BFA_IOC_FLASH_CHUNK_ADDR(chunkno) (chunkno * BFI_FLASH_CHUNK_SZ_WORDS) 246 247 /* IOC mailbox interface */ 248 bool bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc, 249 struct bfa_mbox_cmd *cmd, 250 bfa_mbox_cmd_cbfn_t cbfn, void *cbarg); 251 void bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc); 252 void bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc, 253 bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg); 254 255 /* IOC interfaces */ 256 257 #define bfa_ioc_pll_init_asic(__ioc) \ 258 ((__ioc)->ioc_hwif->ioc_pll_init((__ioc)->pcidev.pci_bar_kva, \ 259 (__ioc)->asic_mode)) 260 261 #define bfa_ioc_isr_mode_set(__ioc, __msix) do { \ 262 if ((__ioc)->ioc_hwif->ioc_isr_mode_set) \ 263 ((__ioc)->ioc_hwif->ioc_isr_mode_set(__ioc, __msix)); \ 264 } while (0) 265 #define bfa_ioc_ownership_reset(__ioc) \ 266 ((__ioc)->ioc_hwif->ioc_ownership_reset(__ioc)) 267 268 #define bfa_ioc_lpu_read_stat(__ioc) do { \ 269 if ((__ioc)->ioc_hwif->ioc_lpu_read_stat) \ 270 ((__ioc)->ioc_hwif->ioc_lpu_read_stat(__ioc)); \ 271 } while (0) 272 273 void bfa_nw_ioc_set_ct_hwif(struct bfa_ioc *ioc); 274 void bfa_nw_ioc_set_ct2_hwif(struct bfa_ioc *ioc); 275 void bfa_nw_ioc_ct2_poweron(struct bfa_ioc *ioc); 276 277 void bfa_nw_ioc_attach(struct bfa_ioc *ioc, void *bfa, 278 struct bfa_ioc_cbfn *cbfn); 279 void bfa_nw_ioc_auto_recover(bool auto_recover); 280 void bfa_nw_ioc_detach(struct bfa_ioc *ioc); 281 void bfa_nw_ioc_pci_init(struct bfa_ioc *ioc, struct bfa_pcidev *pcidev, 282 enum bfi_pcifn_class clscode); 283 u32 bfa_nw_ioc_meminfo(void); 284 void bfa_nw_ioc_mem_claim(struct bfa_ioc *ioc, u8 *dm_kva, u64 dm_pa); 285 void bfa_nw_ioc_enable(struct bfa_ioc *ioc); 286 void bfa_nw_ioc_disable(struct bfa_ioc *ioc); 287 288 void bfa_nw_ioc_error_isr(struct bfa_ioc *ioc); 289 bool bfa_nw_ioc_is_disabled(struct bfa_ioc *ioc); 290 bool bfa_nw_ioc_is_operational(struct bfa_ioc *ioc); 291 void bfa_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr); 292 void bfa_nw_ioc_notify_register(struct bfa_ioc *ioc, 293 struct bfa_ioc_notify *notify); 294 bool bfa_nw_ioc_sem_get(void __iomem *sem_reg); 295 void bfa_nw_ioc_sem_release(void __iomem *sem_reg); 296 void bfa_nw_ioc_hw_sem_release(struct bfa_ioc *ioc); 297 void bfa_nw_ioc_fwver_get(struct bfa_ioc *ioc, 298 struct bfi_ioc_image_hdr *fwhdr); 299 bool bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc, 300 struct bfi_ioc_image_hdr *fwhdr); 301 mac_t bfa_nw_ioc_get_mac(struct bfa_ioc *ioc); 302 void bfa_nw_ioc_debug_memclaim(struct bfa_ioc *ioc, void *dbg_fwsave); 303 int bfa_nw_ioc_debug_fwtrc(struct bfa_ioc *ioc, void *trcdata, int *trclen); 304 int bfa_nw_ioc_debug_fwsave(struct bfa_ioc *ioc, void *trcdata, int *trclen); 305 306 /* 307 * Timeout APIs 308 */ 309 void bfa_nw_ioc_timeout(void *ioc); 310 void bfa_nw_ioc_hb_check(void *ioc); 311 void bfa_nw_iocpf_timeout(void *ioc); 312 void bfa_nw_iocpf_sem_timeout(void *ioc); 313 314 /* 315 * F/W Image Size & Chunk 316 */ 317 u32 *bfa_cb_image_get_chunk(enum bfi_asic_gen asic_gen, u32 off); 318 u32 bfa_cb_image_get_size(enum bfi_asic_gen asic_gen); 319 320 /* 321 * Flash module specific 322 */ 323 typedef void (*bfa_cb_flash) (void *cbarg, enum bfa_status status); 324 325 struct bfa_flash { 326 struct bfa_ioc *ioc; /* back pointer to ioc */ 327 u32 type; /* partition type */ 328 u8 instance; /* partition instance */ 329 u8 rsv[3]; 330 u32 op_busy; /* operation busy flag */ 331 u32 residue; /* residual length */ 332 u32 offset; /* offset */ 333 enum bfa_status status; /* status */ 334 u8 *dbuf_kva; /* dma buf virtual address */ 335 u64 dbuf_pa; /* dma buf physical address */ 336 bfa_cb_flash cbfn; /* user callback function */ 337 void *cbarg; /* user callback arg */ 338 u8 *ubuf; /* user supplied buffer */ 339 u32 addr_off; /* partition address offset */ 340 struct bfa_mbox_cmd mb; /* mailbox */ 341 struct bfa_ioc_notify ioc_notify; /* ioc event notify */ 342 }; 343 344 enum bfa_status bfa_nw_flash_get_attr(struct bfa_flash *flash, 345 struct bfa_flash_attr *attr, 346 bfa_cb_flash cbfn, void *cbarg); 347 enum bfa_status bfa_nw_flash_update_part(struct bfa_flash *flash, 348 u32 type, u8 instance, void *buf, u32 len, u32 offset, 349 bfa_cb_flash cbfn, void *cbarg); 350 enum bfa_status bfa_nw_flash_read_part(struct bfa_flash *flash, 351 u32 type, u8 instance, void *buf, u32 len, u32 offset, 352 bfa_cb_flash cbfn, void *cbarg); 353 u32 bfa_nw_flash_meminfo(void); 354 void bfa_nw_flash_attach(struct bfa_flash *flash, 355 struct bfa_ioc *ioc, void *dev); 356 void bfa_nw_flash_memclaim(struct bfa_flash *flash, u8 *dm_kva, u64 dm_pa); 357 358 #endif /* __BFA_IOC_H__ */ 359