drivers/scsi/bfa/bfa_ioc.h

   1 /*
   2  * Copyright (c) 2005-2010 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 #ifndef __BFA_IOC_H__
  19 #define __BFA_IOC_H__
  20
  21 #include "bfa_os_inc.h"
  22 #include "bfa_cs.h"
  23 #include "bfi.h"
  24
  25 /*
  26  * BFA timer declarations
  27  */
  28 typedef void (*bfa_timer_cbfn_t)(void *);
  29
  30 /*
  31  * BFA timer data structure
  32  */
  33 struct bfa_timer_s {
  34         struct list_head        qe;
  35         bfa_timer_cbfn_t timercb;
  36         void            *arg;
  37         int             timeout;        /* in millisecs */
  38 };
  39
  40 /*
  41  * Timer module structure
  42  */
  43 struct bfa_timer_mod_s {
  44         struct list_head timer_q;
  45 };
  46
  47 #define BFA_TIMER_FREQ 200 /* specified in millisecs */
  48
  49 void bfa_timer_beat(struct bfa_timer_mod_s *mod);
  50 void bfa_timer_init(struct bfa_timer_mod_s *mod);
  51 void bfa_timer_begin(struct bfa_timer_mod_s *mod, struct bfa_timer_s *timer,
  52                         bfa_timer_cbfn_t timercb, void *arg,
  53                         unsigned int timeout);
  54 void bfa_timer_stop(struct bfa_timer_s *timer);
  55
  56 /*
  57  * Generic Scatter Gather Element used by driver
  58  */
  59 struct bfa_sge_s {
  60         u32     sg_len;
  61         void            *sg_addr;
  62 };
  63
  64 #define bfa_sge_word_swap(__sge) do {                                        \
  65         ((u32 *)(__sge))[0] = swab32(((u32 *)(__sge))[0]);      \
  66         ((u32 *)(__sge))[1] = swab32(((u32 *)(__sge))[1]);      \
  67         ((u32 *)(__sge))[2] = swab32(((u32 *)(__sge))[2]);      \
  68 } while (0)
  69
  70 #define bfa_swap_words(_x)  (   \
  71         ((_x) << 32) | ((_x) >> 32))
  72
  73 #ifdef __BIGENDIAN
  74 #define bfa_sge_to_be(_x)
  75 #define bfa_sge_to_le(_x)       bfa_sge_word_swap(_x)
  76 #define bfa_sgaddr_le(_x)       bfa_swap_words(_x)
  77 #else
  78 #define bfa_sge_to_be(_x)       bfa_sge_word_swap(_x)
  79 #define bfa_sge_to_le(_x)
  80 #define bfa_sgaddr_le(_x)       (_x)
  81 #endif
  82
  83 /*
  84  * PCI device information required by IOC
  85  */
  86 struct bfa_pcidev_s {
  87         int             pci_slot;
  88         u8              pci_func;
  89         u16             device_id;
  90         void __iomem    *pci_bar_kva;
  91 };
  92
  93 /*
  94  * Structure used to remember the DMA-able memory block's KVA and Physical
  95  * Address
  96  */
  97 struct bfa_dma_s {
  98         void            *kva;   /* ! Kernel virtual address     */
  99         u64     pa;     /* ! Physical address           */
 100 };
 101
 102 #define BFA_DMA_ALIGN_SZ        256
 103 #define BFA_ROUNDUP(_l, _s)     (((_l) + ((_s) - 1)) & ~((_s) - 1))
 104
 105 /*
 106  * smem size for Crossbow and Catapult
 107  */
 108 #define BFI_SMEM_CB_SIZE        0x200000U       /* ! 2MB for crossbow   */
 109 #define BFI_SMEM_CT_SIZE        0x280000U       /* ! 2.5MB for catapult */
 110
 111
 112 #define bfa_dma_addr_set(dma_addr, pa)  \
 113                 __bfa_dma_addr_set(&dma_addr, (u64)pa)
 114
 115 static inline void
 116 __bfa_dma_addr_set(union bfi_addr_u *dma_addr, u64 pa)
 117 {
 118         dma_addr->a32.addr_lo = (__be32) pa;
 119         dma_addr->a32.addr_hi = (__be32) (bfa_os_u32(pa));
 120 }
 121
 122
 123 #define bfa_dma_be_addr_set(dma_addr, pa)       \
 124                 __bfa_dma_be_addr_set(&dma_addr, (u64)pa)
 125 static inline void
 126 __bfa_dma_be_addr_set(union bfi_addr_u *dma_addr, u64 pa)
 127 {
 128         dma_addr->a32.addr_lo = cpu_to_be32(pa);
 129         dma_addr->a32.addr_hi = cpu_to_be32(bfa_os_u32(pa));
 130 }
 131
 132 struct bfa_ioc_regs_s {
 133         void __iomem *hfn_mbox_cmd;
 134         void __iomem *hfn_mbox;
 135         void __iomem *lpu_mbox_cmd;
 136         void __iomem *lpu_mbox;
 137         void __iomem *pss_ctl_reg;
 138         void __iomem *pss_err_status_reg;
 139         void __iomem *app_pll_fast_ctl_reg;
 140         void __iomem *app_pll_slow_ctl_reg;
 141         void __iomem *ioc_sem_reg;
 142         void __iomem *ioc_usage_sem_reg;
 143         void __iomem *ioc_init_sem_reg;
 144         void __iomem *ioc_usage_reg;
 145         void __iomem *host_page_num_fn;
 146         void __iomem *heartbeat;
 147         void __iomem *ioc_fwstate;
 148         void __iomem *ll_halt;
 149         void __iomem *err_set;
 150         void __iomem *shirq_isr_next;
 151         void __iomem *shirq_msk_next;
 152         void __iomem *smem_page_start;
 153         u32     smem_pg0;
 154 };
 155
 156 #define bfa_mem_read(_raddr, _off)      swab32(readl(((_raddr) + (_off))))
 157 #define bfa_mem_write(_raddr, _off, _val)       \
 158                         writel(swab32((_val)), ((_raddr) + (_off)))
 159 /*
 160  * IOC Mailbox structures
 161  */
 162 struct bfa_mbox_cmd_s {
 163         struct list_head        qe;
 164         u32     msg[BFI_IOC_MSGSZ];
 165 };
 166
 167 /*
 168  * IOC mailbox module
 169  */
 170 typedef void (*bfa_ioc_mbox_mcfunc_t)(void *cbarg, struct bfi_mbmsg_s *m);
 171 struct bfa_ioc_mbox_mod_s {
 172         struct list_head                cmd_q;  /*  pending mbox queue  */
 173         int                     nmclass;        /*  number of handlers */
 174         struct {
 175                 bfa_ioc_mbox_mcfunc_t   cbfn;   /*  message handlers    */
 176                 void                    *cbarg;
 177         } mbhdlr[BFI_MC_MAX];
 178 };
 179
 180 /*
 181  * IOC callback function interfaces
 182  */
 183 typedef void (*bfa_ioc_enable_cbfn_t)(void *bfa, enum bfa_status status);
 184 typedef void (*bfa_ioc_disable_cbfn_t)(void *bfa);
 185 typedef void (*bfa_ioc_hbfail_cbfn_t)(void *bfa);
 186 typedef void (*bfa_ioc_reset_cbfn_t)(void *bfa);
 187 struct bfa_ioc_cbfn_s {
 188         bfa_ioc_enable_cbfn_t   enable_cbfn;
 189         bfa_ioc_disable_cbfn_t  disable_cbfn;
 190         bfa_ioc_hbfail_cbfn_t   hbfail_cbfn;
 191         bfa_ioc_reset_cbfn_t    reset_cbfn;
 192 };
 193
 194 /*
 195  * Heartbeat failure notification queue element.
 196  */
 197 struct bfa_ioc_hbfail_notify_s {
 198         struct list_head                qe;
 199         bfa_ioc_hbfail_cbfn_t   cbfn;
 200         void                    *cbarg;
 201 };
 202
 203 /*
 204  * Initialize a heartbeat failure notification structure
 205  */
 206 #define bfa_ioc_hbfail_init(__notify, __cbfn, __cbarg) do {     \
 207         (__notify)->cbfn = (__cbfn);      \
 208         (__notify)->cbarg = (__cbarg);      \
 209 } while (0)
 210
 211 struct bfa_iocpf_s {
 212         bfa_fsm_t               fsm;
 213         struct bfa_ioc_s        *ioc;
 214         u32             retry_count;
 215         bfa_boolean_t           auto_recover;
 216 };
 217
 218 struct bfa_ioc_s {
 219         bfa_fsm_t               fsm;
 220         struct bfa_s            *bfa;
 221         struct bfa_pcidev_s     pcidev;
 222         struct bfa_timer_mod_s  *timer_mod;
 223         struct bfa_timer_s      ioc_timer;
 224         struct bfa_timer_s      sem_timer;
 225         struct bfa_timer_s      hb_timer;
 226         u32             hb_count;
 227         struct list_head                hb_notify_q;
 228         void                    *dbg_fwsave;
 229         int                     dbg_fwsave_len;
 230         bfa_boolean_t           dbg_fwsave_once;
 231         enum bfi_mclass         ioc_mc;
 232         struct bfa_ioc_regs_s   ioc_regs;
 233         struct bfa_trc_mod_s    *trcmod;
 234         struct bfa_ioc_drv_stats_s      stats;
 235         bfa_boolean_t           fcmode;
 236         bfa_boolean_t           ctdev;
 237         bfa_boolean_t           cna;
 238         bfa_boolean_t           pllinit;
 239         bfa_boolean_t           stats_busy;     /*  outstanding stats */
 240         u8                      port_id;
 241         struct bfa_dma_s        attr_dma;
 242         struct bfi_ioc_attr_s   *attr;
 243         struct bfa_ioc_cbfn_s   *cbfn;
 244         struct bfa_ioc_mbox_mod_s mbox_mod;
 245         struct bfa_ioc_hwif_s   *ioc_hwif;
 246         struct bfa_iocpf_s      iocpf;
 247 };
 248
 249 struct bfa_ioc_hwif_s {
 250         bfa_status_t (*ioc_pll_init) (void __iomem *rb, bfa_boolean_t fcmode);
 251         bfa_boolean_t   (*ioc_firmware_lock)    (struct bfa_ioc_s *ioc);
 252         void            (*ioc_firmware_unlock)  (struct bfa_ioc_s *ioc);
 253         void            (*ioc_reg_init) (struct bfa_ioc_s *ioc);
 254         void            (*ioc_map_port) (struct bfa_ioc_s *ioc);
 255         void            (*ioc_isr_mode_set)     (struct bfa_ioc_s *ioc,
 256                                         bfa_boolean_t msix);
 257         void            (*ioc_notify_hbfail)    (struct bfa_ioc_s *ioc);
 258         void            (*ioc_ownership_reset)  (struct bfa_ioc_s *ioc);
 259 };
 260
 261 #define bfa_ioc_pcifn(__ioc)            ((__ioc)->pcidev.pci_func)
 262 #define bfa_ioc_devid(__ioc)            ((__ioc)->pcidev.device_id)
 263 #define bfa_ioc_bar0(__ioc)             ((__ioc)->pcidev.pci_bar_kva)
 264 #define bfa_ioc_portid(__ioc)           ((__ioc)->port_id)
 265 #define bfa_ioc_fetch_stats(__ioc, __stats) \
 266                 (((__stats)->drv_stats) = (__ioc)->stats)
 267 #define bfa_ioc_clr_stats(__ioc)        \
 268                 memset(&(__ioc)->stats, 0, sizeof((__ioc)->stats))
 269 #define bfa_ioc_maxfrsize(__ioc)        ((__ioc)->attr->maxfrsize)
 270 #define bfa_ioc_rx_bbcredit(__ioc)      ((__ioc)->attr->rx_bbcredit)
 271 #define bfa_ioc_speed_sup(__ioc)        \
 272         BFI_ADAPTER_GETP(SPEED, (__ioc)->attr->adapter_prop)
 273 #define bfa_ioc_get_nports(__ioc)       \
 274         BFI_ADAPTER_GETP(NPORTS, (__ioc)->attr->adapter_prop)
 275
 276 #define bfa_ioc_stats(_ioc, _stats)     ((_ioc)->stats._stats++)
 277 #define BFA_IOC_FWIMG_MINSZ     (16 * 1024)
 278 #define BFA_IOC_FWIMG_TYPE(__ioc)                                       \
 279         (((__ioc)->ctdev) ?                                             \
 280          (((__ioc)->fcmode) ? BFI_IMAGE_CT_FC : BFI_IMAGE_CT_CNA) :     \
 281          BFI_IMAGE_CB_FC)
 282 #define BFA_IOC_FW_SMEM_SIZE(__ioc)                                     \
 283         (((__ioc)->ctdev) ? BFI_SMEM_CT_SIZE : BFI_SMEM_CB_SIZE)
 284 #define BFA_IOC_FLASH_CHUNK_NO(off)             (off / BFI_FLASH_CHUNK_SZ_WORDS)
 285 #define BFA_IOC_FLASH_OFFSET_IN_CHUNK(off)      (off % BFI_FLASH_CHUNK_SZ_WORDS)
 286 #define BFA_IOC_FLASH_CHUNK_ADDR(chunkno)  (chunkno * BFI_FLASH_CHUNK_SZ_WORDS)
 287
 288 /*
 289  * IOC mailbox interface
 290  */
 291 void bfa_ioc_mbox_queue(struct bfa_ioc_s *ioc, struct bfa_mbox_cmd_s *cmd);
 292 void bfa_ioc_mbox_register(struct bfa_ioc_s *ioc,
 293                 bfa_ioc_mbox_mcfunc_t *mcfuncs);
 294 void bfa_ioc_mbox_isr(struct bfa_ioc_s *ioc);
 295 void bfa_ioc_mbox_send(struct bfa_ioc_s *ioc, void *ioc_msg, int len);
 296 void bfa_ioc_msgget(struct bfa_ioc_s *ioc, void *mbmsg);
 297 void bfa_ioc_mbox_regisr(struct bfa_ioc_s *ioc, enum bfi_mclass mc,
 298                 bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg);
 299
 300 /*
 301  * IOC interfaces
 302  */
 303
 304 #define bfa_ioc_pll_init_asic(__ioc) \
 305         ((__ioc)->ioc_hwif->ioc_pll_init((__ioc)->pcidev.pci_bar_kva, \
 306                            (__ioc)->fcmode))
 307
 308 bfa_status_t bfa_ioc_pll_init(struct bfa_ioc_s *ioc);
 309 bfa_status_t bfa_ioc_cb_pll_init(void __iomem *rb, bfa_boolean_t fcmode);
 310 bfa_boolean_t bfa_ioc_ct_pll_init_complete(void __iomem *rb);
 311 bfa_status_t bfa_ioc_ct_pll_init(void __iomem *rb, bfa_boolean_t fcmode);
 312
 313 #define bfa_ioc_isr_mode_set(__ioc, __msix)                     \
 314                         ((__ioc)->ioc_hwif->ioc_isr_mode_set(__ioc, __msix))
 315 #define bfa_ioc_ownership_reset(__ioc)                          \
 316                         ((__ioc)->ioc_hwif->ioc_ownership_reset(__ioc))
 317
 318
 319 void bfa_ioc_set_ct_hwif(struct bfa_ioc_s *ioc);
 320 void bfa_ioc_set_cb_hwif(struct bfa_ioc_s *ioc);
 321
 322 void bfa_ioc_attach(struct bfa_ioc_s *ioc, void *bfa,
 323                 struct bfa_ioc_cbfn_s *cbfn, struct bfa_timer_mod_s *timer_mod);
 324 void bfa_ioc_auto_recover(bfa_boolean_t auto_recover);
 325 void bfa_ioc_detach(struct bfa_ioc_s *ioc);
 326 void bfa_ioc_pci_init(struct bfa_ioc_s *ioc, struct bfa_pcidev_s *pcidev,
 327                 enum bfi_mclass mc);
 328 u32 bfa_ioc_meminfo(void);
 329 void bfa_ioc_mem_claim(struct bfa_ioc_s *ioc,  u8 *dm_kva, u64 dm_pa);
 330 void bfa_ioc_enable(struct bfa_ioc_s *ioc);
 331 void bfa_ioc_disable(struct bfa_ioc_s *ioc);
 332 bfa_boolean_t bfa_ioc_intx_claim(struct bfa_ioc_s *ioc);
 333
 334 void bfa_ioc_boot(struct bfa_ioc_s *ioc, u32 boot_type,
 335                 u32 boot_param);
 336 void bfa_ioc_isr(struct bfa_ioc_s *ioc, struct bfi_mbmsg_s *msg);
 337 void bfa_ioc_error_isr(struct bfa_ioc_s *ioc);
 338 bfa_boolean_t bfa_ioc_is_operational(struct bfa_ioc_s *ioc);
 339 bfa_boolean_t bfa_ioc_is_initialized(struct bfa_ioc_s *ioc);
 340 bfa_boolean_t bfa_ioc_is_disabled(struct bfa_ioc_s *ioc);
 341 bfa_boolean_t bfa_ioc_fw_mismatch(struct bfa_ioc_s *ioc);
 342 bfa_boolean_t bfa_ioc_adapter_is_disabled(struct bfa_ioc_s *ioc);
 343 enum bfa_ioc_type_e bfa_ioc_get_type(struct bfa_ioc_s *ioc);
 344 void bfa_ioc_get_adapter_serial_num(struct bfa_ioc_s *ioc, char *serial_num);
 345 void bfa_ioc_get_adapter_fw_ver(struct bfa_ioc_s *ioc, char *fw_ver);
 346 void bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc_s *ioc, char *optrom_ver);
 347 void bfa_ioc_get_adapter_model(struct bfa_ioc_s *ioc, char *model);
 348 void bfa_ioc_get_adapter_manufacturer(struct bfa_ioc_s *ioc,
 349                 char *manufacturer);
 350 void bfa_ioc_get_pci_chip_rev(struct bfa_ioc_s *ioc, char *chip_rev);
 351 enum bfa_ioc_state bfa_ioc_get_state(struct bfa_ioc_s *ioc);
 352
 353 void bfa_ioc_get_attr(struct bfa_ioc_s *ioc, struct bfa_ioc_attr_s *ioc_attr);
 354 void bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc,
 355                 struct bfa_adapter_attr_s *ad_attr);
 356 int bfa_ioc_debug_trcsz(bfa_boolean_t auto_recover);
 357 void bfa_ioc_debug_memclaim(struct bfa_ioc_s *ioc, void *dbg_fwsave);
 358 bfa_status_t bfa_ioc_debug_fwsave(struct bfa_ioc_s *ioc, void *trcdata,
 359                 int *trclen);
 360 bfa_status_t bfa_ioc_debug_fwtrc(struct bfa_ioc_s *ioc, void *trcdata,
 361                                  int *trclen);
 362 bfa_status_t bfa_ioc_debug_fwcore(struct bfa_ioc_s *ioc, void *buf,
 363         u32 *offset, int *buflen);
 364 u32 bfa_ioc_smem_pgnum(struct bfa_ioc_s *ioc, u32 fmaddr);
 365 u32 bfa_ioc_smem_pgoff(struct bfa_ioc_s *ioc, u32 fmaddr);
 366 void bfa_ioc_set_fcmode(struct bfa_ioc_s *ioc);
 367 bfa_boolean_t bfa_ioc_get_fcmode(struct bfa_ioc_s *ioc);
 368 void bfa_ioc_hbfail_register(struct bfa_ioc_s *ioc,
 369         struct bfa_ioc_hbfail_notify_s *notify);
 370 bfa_boolean_t bfa_ioc_sem_get(void __iomem *sem_reg);
 371 void bfa_ioc_sem_release(void __iomem *sem_reg);
 372 void bfa_ioc_hw_sem_release(struct bfa_ioc_s *ioc);
 373 void bfa_ioc_fwver_get(struct bfa_ioc_s *ioc,
 374                         struct bfi_ioc_image_hdr_s *fwhdr);
 375 bfa_boolean_t bfa_ioc_fwver_cmp(struct bfa_ioc_s *ioc,
 376                         struct bfi_ioc_image_hdr_s *fwhdr);
 377 bfa_status_t bfa_ioc_fw_stats_get(struct bfa_ioc_s *ioc, void *stats);
 378 bfa_status_t bfa_ioc_fw_stats_clear(struct bfa_ioc_s *ioc);
 379
 380 /*
 381  * bfa mfg wwn API functions
 382  */
 383 wwn_t bfa_ioc_get_pwwn(struct bfa_ioc_s *ioc);
 384 wwn_t bfa_ioc_get_nwwn(struct bfa_ioc_s *ioc);
 385 mac_t bfa_ioc_get_mac(struct bfa_ioc_s *ioc);
 386 wwn_t bfa_ioc_get_mfg_pwwn(struct bfa_ioc_s *ioc);
 387 wwn_t bfa_ioc_get_mfg_nwwn(struct bfa_ioc_s *ioc);
 388 mac_t bfa_ioc_get_mfg_mac(struct bfa_ioc_s *ioc);
 389 u64 bfa_ioc_get_adid(struct bfa_ioc_s *ioc);
 390
 391 /*
 392  * F/W Image Size & Chunk
 393  */
 394 extern u32 bfi_image_ct_fc_size;
 395 extern u32 bfi_image_ct_cna_size;
 396 extern u32 bfi_image_cb_fc_size;
 397 extern u32 *bfi_image_ct_fc;
 398 extern u32 *bfi_image_ct_cna;
 399 extern u32 *bfi_image_cb_fc;
 400
 401 static inline u32 *
 402 bfi_image_ct_fc_get_chunk(u32 off)
 403 {       return (u32 *)(bfi_image_ct_fc + off); }
 404
 405 static inline u32 *
 406 bfi_image_ct_cna_get_chunk(u32 off)
 407 {       return (u32 *)(bfi_image_ct_cna + off); }
 408
 409 static inline u32 *
 410 bfi_image_cb_fc_get_chunk(u32 off)
 411 {       return (u32 *)(bfi_image_cb_fc + off); }
 412
 413 static inline u32*
 414 bfa_cb_image_get_chunk(int type, u32 off)
 415 {
 416         switch (type) {
 417         case BFI_IMAGE_CT_FC:
 418                 return bfi_image_ct_fc_get_chunk(off);  break;
 419         case BFI_IMAGE_CT_CNA:
 420                 return bfi_image_ct_cna_get_chunk(off); break;
 421         case BFI_IMAGE_CB_FC:
 422                 return bfi_image_cb_fc_get_chunk(off);  break;
 423         default: return NULL;
 424         }
 425 }
 426
 427 static inline u32
 428 bfa_cb_image_get_size(int type)
 429 {
 430         switch (type) {
 431         case BFI_IMAGE_CT_FC:
 432                 return bfi_image_ct_fc_size;    break;
 433         case BFI_IMAGE_CT_CNA:
 434                 return bfi_image_ct_cna_size;   break;
 435         case BFI_IMAGE_CB_FC:
 436                 return bfi_image_cb_fc_size;    break;
 437         default: return 0;
 438         }
 439 }
 440
 441 /*
 442  * CNA TRCMOD declaration
 443  */
 444 /*
 445  * !!! Only append to the enums defined here to avoid any versioning
 446  * !!! needed between trace utility and driver version
 447  */
 448 enum {
 449         BFA_TRC_CNA_PORT        = 1,
 450         BFA_TRC_CNA_IOC         = 2,
 451         BFA_TRC_CNA_IOC_CB      = 3,
 452         BFA_TRC_CNA_IOC_CT      = 4,
 453 };
 454
 455 #endif /* __BFA_IOC_H__ */