drivers/net/ethernet/brocade/bna/bfa_ioc.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Linux network driver for QLogic BR-series Converged Network Adapter.
   4  */
   5 /*
   6  * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
   7  * Copyright (c) 2014-2015 QLogic Corporation
   8  * All rights reserved
   9  * www.qlogic.com
  10  */
  11
  12 #ifndef __BFA_IOC_H__
  13 #define __BFA_IOC_H__
  14
  15 #include "bfa_cs.h"
  16 #include "bfi.h"
  17 #include "cna.h"
  18
  19 #define BFA_IOC_TOV             3000    /* msecs */
  20 #define BFA_IOC_HWSEM_TOV       500     /* msecs */
  21 #define BFA_IOC_HB_TOV          500     /* msecs */
  22 #define BFA_IOC_POLL_TOV        200     /* msecs */
  23 #define BNA_DBG_FWTRC_LEN      (BFI_IOC_TRC_ENTS * BFI_IOC_TRC_ENT_SZ + \
  24                                 BFI_IOC_TRC_HDR_SZ)
  25
  26 /* PCI device information required by IOC */
  27 struct bfa_pcidev {
  28         int     pci_slot;
  29         u8      pci_func;
  30         u16     device_id;
  31         u16     ssid;
  32         void    __iomem *pci_bar_kva;
  33 };
  34
  35 /* Structure used to remember the DMA-able memory block's KVA and Physical
  36  * Address
  37  */
  38 struct bfa_dma {
  39         void    *kva;   /* ! Kernel virtual address     */
  40         u64     pa;     /* ! Physical address           */
  41 };
  42
  43 #define BFA_DMA_ALIGN_SZ        256
  44
  45 /* smem size for Crossbow and Catapult */
  46 #define BFI_SMEM_CB_SIZE        0x200000U       /* ! 2MB for crossbow   */
  47 #define BFI_SMEM_CT_SIZE        0x280000U       /* ! 2.5MB for catapult */
  48
  49 /* BFA dma address assignment macro. (big endian format) */
  50 #define bfa_dma_be_addr_set(dma_addr, pa)       \
  51                 __bfa_dma_be_addr_set(&dma_addr, (u64)pa)
  52 static inline void
  53 __bfa_dma_be_addr_set(union bfi_addr_u *dma_addr, u64 pa)
  54 {
  55         dma_addr->a32.addr_lo = (u32) htonl(pa);
  56         dma_addr->a32.addr_hi = (u32) htonl(upper_32_bits(pa));
  57 }
  58
  59 #define bfa_alen_set(__alen, __len, __pa)       \
  60         __bfa_alen_set(__alen, __len, (u64)__pa)
  61
  62 static inline void
  63 __bfa_alen_set(struct bfi_alen *alen, u32 len, u64 pa)
  64 {
  65         alen->al_len = cpu_to_be32(len);
  66         bfa_dma_be_addr_set(alen->al_addr, pa);
  67 }
  68
  69 struct bfa_ioc_regs {
  70         void __iomem *hfn_mbox_cmd;
  71         void __iomem *hfn_mbox;
  72         void __iomem *lpu_mbox_cmd;
  73         void __iomem *lpu_mbox;
  74         void __iomem *lpu_read_stat;
  75         void __iomem *pss_ctl_reg;
  76         void __iomem *pss_err_status_reg;
  77         void __iomem *app_pll_fast_ctl_reg;
  78         void __iomem *app_pll_slow_ctl_reg;
  79         void __iomem *ioc_sem_reg;
  80         void __iomem *ioc_usage_sem_reg;
  81         void __iomem *ioc_init_sem_reg;
  82         void __iomem *ioc_usage_reg;
  83         void __iomem *host_page_num_fn;
  84         void __iomem *heartbeat;
  85         void __iomem *ioc_fwstate;
  86         void __iomem *alt_ioc_fwstate;
  87         void __iomem *ll_halt;
  88         void __iomem *alt_ll_halt;
  89         void __iomem *err_set;
  90         void __iomem *ioc_fail_sync;
  91         void __iomem *shirq_isr_next;
  92         void __iomem *shirq_msk_next;
  93         void __iomem *smem_page_start;
  94         u32     smem_pg0;
  95 };
  96
  97 /* IOC Mailbox structures */
  98 typedef void (*bfa_mbox_cmd_cbfn_t)(void *cbarg);
  99 struct bfa_mbox_cmd {
 100         struct list_head        qe;
 101         bfa_mbox_cmd_cbfn_t     cbfn;
 102         void                *cbarg;
 103         u32     msg[BFI_IOC_MSGSZ];
 104 };
 105
 106 /* IOC mailbox module */
 107 typedef void (*bfa_ioc_mbox_mcfunc_t)(void *cbarg, struct bfi_mbmsg *m);
 108 struct bfa_ioc_mbox_mod {
 109         struct list_head        cmd_q;          /*!< pending mbox queue */
 110         int                     nmclass;        /*!< number of handlers */
 111         struct {
 112                 bfa_ioc_mbox_mcfunc_t   cbfn;   /*!< message handlers   */
 113                 void                    *cbarg;
 114         } mbhdlr[BFI_MC_MAX];
 115 };
 116
 117 /* IOC callback function interfaces */
 118 typedef void (*bfa_ioc_enable_cbfn_t)(void *bfa, enum bfa_status status);
 119 typedef void (*bfa_ioc_disable_cbfn_t)(void *bfa);
 120 typedef void (*bfa_ioc_hbfail_cbfn_t)(void *bfa);
 121 typedef void (*bfa_ioc_reset_cbfn_t)(void *bfa);
 122 struct bfa_ioc_cbfn {
 123         bfa_ioc_enable_cbfn_t   enable_cbfn;
 124         bfa_ioc_disable_cbfn_t  disable_cbfn;
 125         bfa_ioc_hbfail_cbfn_t   hbfail_cbfn;
 126         bfa_ioc_reset_cbfn_t    reset_cbfn;
 127 };
 128
 129 /* IOC event notification mechanism. */
 130 enum bfa_ioc_event {
 131         BFA_IOC_E_ENABLED       = 1,
 132         BFA_IOC_E_DISABLED      = 2,
 133         BFA_IOC_E_FAILED        = 3,
 134 };
 135
 136 typedef void (*bfa_ioc_notify_cbfn_t)(void *, enum bfa_ioc_event);
 137
 138 struct bfa_ioc_notify {
 139         struct list_head        qe;
 140         bfa_ioc_notify_cbfn_t   cbfn;
 141         void                    *cbarg;
 142 };
 143
 144 /* Initialize a IOC event notification structure */
 145 #define bfa_ioc_notify_init(__notify, __cbfn, __cbarg) do {     \
 146         (__notify)->cbfn = (__cbfn);                            \
 147         (__notify)->cbarg = (__cbarg);                          \
 148 } while (0)
 149
 150 struct bfa_iocpf {
 151         bfa_fsm_t               fsm;
 152         struct bfa_ioc          *ioc;
 153         bool                    fw_mismatch_notified;
 154         bool                    auto_recover;
 155         u32                     poll_time;
 156 };
 157
 158 struct bfa_ioc {
 159         bfa_fsm_t               fsm;
 160         struct bfa              *bfa;
 161         struct bfa_pcidev       pcidev;
 162         struct timer_list       ioc_timer;
 163         struct timer_list       iocpf_timer;
 164         struct timer_list       sem_timer;
 165         struct timer_list       hb_timer;
 166         u32                     hb_count;
 167         struct list_head        notify_q;
 168         void                    *dbg_fwsave;
 169         int                     dbg_fwsave_len;
 170         bool                    dbg_fwsave_once;
 171         enum bfi_pcifn_class    clscode;
 172         struct bfa_ioc_regs     ioc_regs;
 173         struct bfa_ioc_drv_stats stats;
 174         bool                    fcmode;
 175         bool                    pllinit;
 176         bool                    stats_busy;     /*!< outstanding stats */
 177         u8                      port_id;
 178
 179         struct bfa_dma          attr_dma;
 180         struct bfi_ioc_attr     *attr;
 181         struct bfa_ioc_cbfn     *cbfn;
 182         struct bfa_ioc_mbox_mod mbox_mod;
 183         const struct bfa_ioc_hwif *ioc_hwif;
 184         struct bfa_iocpf        iocpf;
 185         enum bfi_asic_gen       asic_gen;
 186         enum bfi_asic_mode      asic_mode;
 187         enum bfi_port_mode      port0_mode;
 188         enum bfi_port_mode      port1_mode;
 189         enum bfa_mode           port_mode;
 190         u8                      ad_cap_bm;      /*!< adapter cap bit mask */
 191         u8                      port_mode_cfg;  /*!< config port mode */
 192 };
 193
 194 struct bfa_ioc_hwif {
 195         enum bfa_status (*ioc_pll_init) (void __iomem *rb,
 196                                                 enum bfi_asic_mode m);
 197         bool            (*ioc_firmware_lock)    (struct bfa_ioc *ioc);
 198         void            (*ioc_firmware_unlock)  (struct bfa_ioc *ioc);
 199         void            (*ioc_reg_init) (struct bfa_ioc *ioc);
 200         void            (*ioc_map_port) (struct bfa_ioc *ioc);
 201         void            (*ioc_isr_mode_set)     (struct bfa_ioc *ioc,
 202                                         bool msix);
 203         void            (*ioc_notify_fail)      (struct bfa_ioc *ioc);
 204         void            (*ioc_ownership_reset)  (struct bfa_ioc *ioc);
 205         bool            (*ioc_sync_start)       (struct bfa_ioc *ioc);
 206         void            (*ioc_sync_join)        (struct bfa_ioc *ioc);
 207         void            (*ioc_sync_leave)       (struct bfa_ioc *ioc);
 208         void            (*ioc_sync_ack)         (struct bfa_ioc *ioc);
 209         bool            (*ioc_sync_complete)    (struct bfa_ioc *ioc);
 210         bool            (*ioc_lpu_read_stat)    (struct bfa_ioc *ioc);
 211         void            (*ioc_set_fwstate)      (struct bfa_ioc *ioc,
 212                                         enum bfi_ioc_state fwstate);
 213         enum bfi_ioc_state (*ioc_get_fwstate) (struct bfa_ioc *ioc);
 214         void            (*ioc_set_alt_fwstate)  (struct bfa_ioc *ioc,
 215                                         enum bfi_ioc_state fwstate);
 216         enum bfi_ioc_state (*ioc_get_alt_fwstate) (struct bfa_ioc *ioc);
 217
 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_is_default(__ioc)       \
 226         (bfa_ioc_pcifn(__ioc) == bfa_ioc_portid(__ioc))
 227 #define bfa_ioc_speed_sup(__ioc)        \
 228         BFI_ADAPTER_GETP(SPEED, (__ioc)->attr->adapter_prop)
 229 #define bfa_ioc_get_nports(__ioc)       \
 230         BFI_ADAPTER_GETP(NPORTS, (__ioc)->attr->adapter_prop)
 231
 232 #define bfa_ioc_stats(_ioc, _stats)     ((_ioc)->stats._stats++)
 233 #define bfa_ioc_stats_hb_count(_ioc, _hb_count) \
 234         ((_ioc)->stats.hb_count = (_hb_count))
 235 #define BFA_IOC_FWIMG_MINSZ     (16 * 1024)
 236 #define BFA_IOC_FW_SMEM_SIZE(__ioc)                                     \
 237         ((bfa_ioc_asic_gen(__ioc) == BFI_ASIC_GEN_CB)                   \
 238         ? BFI_SMEM_CB_SIZE : BFI_SMEM_CT_SIZE)
 239 #define BFA_IOC_FLASH_CHUNK_NO(off)             (off / BFI_FLASH_CHUNK_SZ_WORDS)
 240 #define BFA_IOC_FLASH_OFFSET_IN_CHUNK(off)      (off % BFI_FLASH_CHUNK_SZ_WORDS)
 241 #define BFA_IOC_FLASH_CHUNK_ADDR(chunkno)  (chunkno * BFI_FLASH_CHUNK_SZ_WORDS)
 242
 243 /* IOC mailbox interface */
 244 bool bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc,
 245                         struct bfa_mbox_cmd *cmd,
 246                         bfa_mbox_cmd_cbfn_t cbfn, void *cbarg);
 247 void bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc);
 248 void bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc,
 249                 bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg);
 250
 251 /* IOC interfaces */
 252
 253 #define bfa_ioc_pll_init_asic(__ioc) \
 254         ((__ioc)->ioc_hwif->ioc_pll_init((__ioc)->pcidev.pci_bar_kva, \
 255                            (__ioc)->asic_mode))
 256
 257 #define bfa_ioc_lpu_read_stat(__ioc) do {                               \
 258                 if ((__ioc)->ioc_hwif->ioc_lpu_read_stat)               \
 259                         ((__ioc)->ioc_hwif->ioc_lpu_read_stat(__ioc));  \
 260 } while (0)
 261
 262 void bfa_nw_ioc_set_ct_hwif(struct bfa_ioc *ioc);
 263 void bfa_nw_ioc_set_ct2_hwif(struct bfa_ioc *ioc);
 264 void bfa_nw_ioc_ct2_poweron(struct bfa_ioc *ioc);
 265
 266 void bfa_nw_ioc_attach(struct bfa_ioc *ioc, void *bfa,
 267                 struct bfa_ioc_cbfn *cbfn);
 268 void bfa_nw_ioc_auto_recover(bool auto_recover);
 269 void bfa_nw_ioc_detach(struct bfa_ioc *ioc);
 270 void bfa_nw_ioc_pci_init(struct bfa_ioc *ioc, struct bfa_pcidev *pcidev,
 271                 enum bfi_pcifn_class clscode);
 272 u32 bfa_nw_ioc_meminfo(void);
 273 void bfa_nw_ioc_mem_claim(struct bfa_ioc *ioc,  u8 *dm_kva, u64 dm_pa);
 274 void bfa_nw_ioc_enable(struct bfa_ioc *ioc);
 275 void bfa_nw_ioc_disable(struct bfa_ioc *ioc);
 276
 277 void bfa_nw_ioc_error_isr(struct bfa_ioc *ioc);
 278 bool bfa_nw_ioc_is_disabled(struct bfa_ioc *ioc);
 279 bool bfa_nw_ioc_is_operational(struct bfa_ioc *ioc);
 280 void bfa_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr);
 281 enum bfa_status bfa_nw_ioc_fwsig_invalidate(struct bfa_ioc *ioc);
 282 void bfa_nw_ioc_notify_register(struct bfa_ioc *ioc,
 283         struct bfa_ioc_notify *notify);
 284 bool bfa_nw_ioc_sem_get(void __iomem *sem_reg);
 285 void bfa_nw_ioc_sem_release(void __iomem *sem_reg);
 286 void bfa_nw_ioc_hw_sem_release(struct bfa_ioc *ioc);
 287 void bfa_nw_ioc_fwver_get(struct bfa_ioc *ioc,
 288                         struct bfi_ioc_image_hdr *fwhdr);
 289 bool bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc,
 290                         struct bfi_ioc_image_hdr *fwhdr);
 291 void bfa_nw_ioc_get_mac(struct bfa_ioc *ioc, u8 *mac);
 292 void bfa_nw_ioc_debug_memclaim(struct bfa_ioc *ioc, void *dbg_fwsave);
 293 int bfa_nw_ioc_debug_fwtrc(struct bfa_ioc *ioc, void *trcdata, int *trclen);
 294 int bfa_nw_ioc_debug_fwsave(struct bfa_ioc *ioc, void *trcdata, int *trclen);
 295
 296 /*
 297  * Timeout APIs
 298  */
 299 void bfa_nw_ioc_timeout(struct bfa_ioc *ioc);
 300 void bfa_nw_ioc_hb_check(struct bfa_ioc *ioc);
 301 void bfa_nw_iocpf_timeout(struct bfa_ioc *ioc);
 302 void bfa_nw_iocpf_sem_timeout(struct bfa_ioc *ioc);
 303
 304 /*
 305  * F/W Image Size & Chunk
 306  */
 307 u32 *bfa_cb_image_get_chunk(enum bfi_asic_gen asic_gen, u32 off);
 308 u32 bfa_cb_image_get_size(enum bfi_asic_gen asic_gen);
 309
 310 /*
 311  *      Flash module specific
 312  */
 313 typedef void    (*bfa_cb_flash) (void *cbarg, enum bfa_status status);
 314
 315 struct bfa_flash {
 316         struct bfa_ioc *ioc;            /* back pointer to ioc */
 317         u32             type;           /* partition type */
 318         u8              instance;       /* partition instance */
 319         u8              rsv[3];
 320         u32             op_busy;        /*  operation busy flag */
 321         u32             residue;        /*  residual length */
 322         u32             offset;         /*  offset */
 323         enum bfa_status status;         /*  status */
 324         u8              *dbuf_kva;      /*  dma buf virtual address */
 325         u64             dbuf_pa;        /*  dma buf physical address */
 326         bfa_cb_flash    cbfn;           /*  user callback function */
 327         void            *cbarg;         /*  user callback arg */
 328         u8              *ubuf;          /*  user supplied buffer */
 329         u32             addr_off;       /*  partition address offset */
 330         struct bfa_mbox_cmd mb;         /*  mailbox */
 331         struct bfa_ioc_notify ioc_notify; /*  ioc event notify */
 332 };
 333
 334 enum bfa_status bfa_nw_flash_get_attr(struct bfa_flash *flash,
 335                         struct bfa_flash_attr *attr,
 336                         bfa_cb_flash cbfn, void *cbarg);
 337 enum bfa_status bfa_nw_flash_update_part(struct bfa_flash *flash,
 338                         u32 type, u8 instance, void *buf, u32 len, u32 offset,
 339                         bfa_cb_flash cbfn, void *cbarg);
 340 enum bfa_status bfa_nw_flash_read_part(struct bfa_flash *flash,
 341                         u32 type, u8 instance, void *buf, u32 len, u32 offset,
 342                         bfa_cb_flash cbfn, void *cbarg);
 343 u32     bfa_nw_flash_meminfo(void);
 344 void    bfa_nw_flash_attach(struct bfa_flash *flash,
 345                             struct bfa_ioc *ioc, void *dev);
 346 void    bfa_nw_flash_memclaim(struct bfa_flash *flash, u8 *dm_kva, u64 dm_pa);
 347
 348 #endif /* __BFA_IOC_H__ */