]> Pileus Git - ~andy/linux/blobdiff - drivers/scsi/bfa/bfa_ioc.c
Merge remote-tracking branch 'regulator/fix/doc' into tmp
[~andy/linux] / drivers / scsi / bfa / bfa_ioc.c
index 21ad2902e5ce99f300d91f08080afc9b556864d1..0116c1032e2524d373412957d037cf24ae698c03 100644 (file)
@@ -92,7 +92,6 @@ static void bfa_ioc_event_notify(struct bfa_ioc_s *ioc ,
                                enum bfa_ioc_event_e event);
 static void bfa_ioc_disable_comp(struct bfa_ioc_s *ioc);
 static void bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc);
-static void bfa_ioc_debug_save_ftrc(struct bfa_ioc_s *ioc);
 static void bfa_ioc_fail_notify(struct bfa_ioc_s *ioc);
 static void bfa_ioc_pf_fwmismatch(struct bfa_ioc_s *ioc);
 
@@ -599,8 +598,9 @@ bfa_ioc_sm_fail(struct bfa_ioc_s *ioc, enum ioc_event event)
                break;
 
        case IOC_E_HWERROR:
+       case IOC_E_HWFAILED:
                /*
-                * HB failure notification, ignore.
+                * HB failure / HW error notification, ignore.
                 */
                break;
        default:
@@ -632,6 +632,10 @@ bfa_ioc_sm_hwfail(struct bfa_ioc_s *ioc, enum ioc_event event)
                bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
                break;
 
+       case IOC_E_HWERROR:
+               /* Ignore - already in hwfail state */
+               break;
+
        default:
                bfa_sm_fault(ioc, event);
        }
@@ -727,8 +731,7 @@ bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf_s *iocpf)
        /*
         * Unlock the hw semaphore. Should be here only once per boot.
         */
-       readl(iocpf->ioc->ioc_regs.ioc_sem_reg);
-       writel(1, iocpf->ioc->ioc_regs.ioc_sem_reg);
+       bfa_ioc_ownership_reset(iocpf->ioc);
 
        /*
         * unlock init semaphore.
@@ -1455,7 +1458,7 @@ bfa_ioc_fwver_cmp(struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *fwhdr)
                bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), 0);
 
        for (i = 0; i < BFI_IOC_MD5SUM_SZ; i++) {
-               if (fwhdr->md5sum[i] != drv_fwhdr->md5sum[i]) {
+               if (fwhdr->md5sum[i] != cpu_to_le32(drv_fwhdr->md5sum[i])) {
                        bfa_trc(ioc, i);
                        bfa_trc(ioc, fwhdr->md5sum[i]);
                        bfa_trc(ioc, drv_fwhdr->md5sum[i]);
@@ -1480,7 +1483,7 @@ bfa_ioc_fwver_valid(struct bfa_ioc_s *ioc, u32 boot_env)
        drv_fwhdr = (struct bfi_ioc_image_hdr_s *)
                bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), 0);
 
-       if (fwhdr.signature != drv_fwhdr->signature) {
+       if (fwhdr.signature != cpu_to_le32(drv_fwhdr->signature)) {
                bfa_trc(ioc, fwhdr.signature);
                bfa_trc(ioc, drv_fwhdr->signature);
                return BFA_FALSE;
@@ -1704,7 +1707,7 @@ bfa_ioc_download_fw(struct bfa_ioc_s *ioc, u32 boot_type,
                 * write smem
                 */
                bfa_mem_write(ioc->ioc_regs.smem_page_start, loff,
-                             fwimg[BFA_IOC_FLASH_OFFSET_IN_CHUNK(i)]);
+                       cpu_to_le32(fwimg[BFA_IOC_FLASH_OFFSET_IN_CHUNK(i)]));
 
                loff += sizeof(u32);
 
@@ -1747,6 +1750,7 @@ bfa_ioc_getattr_reply(struct bfa_ioc_s *ioc)
        attr->card_type     = be32_to_cpu(attr->card_type);
        attr->maxfrsize     = be16_to_cpu(attr->maxfrsize);
        ioc->fcmode     = (attr->port_mode == BFI_PORT_MODE_FC);
+       attr->mfg_year  = be16_to_cpu(attr->mfg_year);
 
        bfa_fsm_send_event(ioc, IOC_E_FWRSP_GETATTR);
 }
@@ -2260,6 +2264,12 @@ bfa_ioc_disable(struct bfa_ioc_s *ioc)
        bfa_fsm_send_event(ioc, IOC_E_DISABLE);
 }
 
+void
+bfa_ioc_suspend(struct bfa_ioc_s *ioc)
+{
+       ioc->dbg_fwsave_once = BFA_TRUE;
+       bfa_fsm_send_event(ioc, IOC_E_HWERROR);
+}
 
 /*
  * Initialize memory for saving firmware trace. Driver must initialize
@@ -2269,7 +2279,7 @@ void
 bfa_ioc_debug_memclaim(struct bfa_ioc_s *ioc, void *dbg_fwsave)
 {
        ioc->dbg_fwsave     = dbg_fwsave;
-       ioc->dbg_fwsave_len = (ioc->iocpf.auto_recover) ? BFA_DBG_FWTRC_LEN : 0;
+       ioc->dbg_fwsave_len = BFA_DBG_FWTRC_LEN;
 }
 
 /*
@@ -2487,6 +2497,9 @@ bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc,
        ad_attr->cna_capable = bfa_ioc_is_cna(ioc);
        ad_attr->trunk_capable = (ad_attr->nports > 1) &&
                                  !bfa_ioc_is_cna(ioc) && !ad_attr->is_mezz;
+       ad_attr->mfg_day = ioc_attr->mfg_day;
+       ad_attr->mfg_month = ioc_attr->mfg_month;
+       ad_attr->mfg_year = ioc_attr->mfg_year;
 }
 
 enum bfa_ioc_type_e
@@ -2856,7 +2869,7 @@ bfa_ioc_fw_stats_clear(struct bfa_ioc_s *ioc)
 /*
  * Save firmware trace if configured.
  */
-static void
+void
 bfa_ioc_debug_save_ftrc(struct bfa_ioc_s *ioc)
 {
        int             tlen;
@@ -2913,7 +2926,7 @@ bfa_ioc_poll_fwinit(struct bfa_ioc_s *ioc)
                return;
        }
 
-       if (ioc->iocpf.poll_time >= BFA_IOC_TOV)
+       if (ioc->iocpf.poll_time >= (3 * BFA_IOC_TOV))
                bfa_iocpf_timeout(ioc);
        else {
                ioc->iocpf.poll_time += BFA_IOC_POLL_TOV;
@@ -3006,7 +3019,6 @@ bfa_ablk_config_swap(struct bfa_ablk_cfg_s *cfg)
        struct bfa_ablk_cfg_inst_s *cfg_inst;
        int i, j;
        u16     be16;
-       u32     be32;
 
        for (i = 0; i < BFA_ABLK_MAX; i++) {
                cfg_inst = &cfg->inst[i];
@@ -3017,8 +3029,10 @@ bfa_ablk_config_swap(struct bfa_ablk_cfg_s *cfg)
                        cfg_inst->pf_cfg[j].num_qpairs = be16_to_cpu(be16);
                        be16 = cfg_inst->pf_cfg[j].num_vectors;
                        cfg_inst->pf_cfg[j].num_vectors = be16_to_cpu(be16);
-                       be32 = cfg_inst->pf_cfg[j].bw;
-                       cfg_inst->pf_cfg[j].bw = be16_to_cpu(be32);
+                       be16 = cfg_inst->pf_cfg[j].bw_min;
+                       cfg_inst->pf_cfg[j].bw_min = be16_to_cpu(be16);
+                       be16 = cfg_inst->pf_cfg[j].bw_max;
+                       cfg_inst->pf_cfg[j].bw_max = be16_to_cpu(be16);
                }
        }
 }
@@ -3160,7 +3174,8 @@ bfa_ablk_query(struct bfa_ablk_s *ablk, struct bfa_ablk_cfg_s *ablk_cfg,
 
 bfa_status_t
 bfa_ablk_pf_create(struct bfa_ablk_s *ablk, u16 *pcifn,
-               u8 port, enum bfi_pcifn_class personality, int bw,
+               u8 port, enum bfi_pcifn_class personality,
+               u16 bw_min, u16 bw_max,
                bfa_ablk_cbfn_t cbfn, void *cbarg)
 {
        struct bfi_ablk_h2i_pf_req_s *m;
@@ -3184,7 +3199,8 @@ bfa_ablk_pf_create(struct bfa_ablk_s *ablk, u16 *pcifn,
        bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_CREATE,
                    bfa_ioc_portid(ablk->ioc));
        m->pers = cpu_to_be16((u16)personality);
-       m->bw = cpu_to_be32(bw);
+       m->bw_min = cpu_to_be16(bw_min);
+       m->bw_max = cpu_to_be16(bw_max);
        m->port = port;
        bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb);
 
@@ -3284,8 +3300,8 @@ bfa_ablk_port_config(struct bfa_ablk_s *ablk, int port, enum bfa_mode_s mode,
 }
 
 bfa_status_t
-bfa_ablk_pf_update(struct bfa_ablk_s *ablk, int pcifn, int bw,
-               bfa_ablk_cbfn_t cbfn, void *cbarg)
+bfa_ablk_pf_update(struct bfa_ablk_s *ablk, int pcifn, u16 bw_min,
+                  u16 bw_max, bfa_ablk_cbfn_t cbfn, void *cbarg)
 {
        struct bfi_ablk_h2i_pf_req_s *m;
 
@@ -3307,7 +3323,8 @@ bfa_ablk_pf_update(struct bfa_ablk_s *ablk, int pcifn, int bw,
        bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_UPDATE,
                bfa_ioc_portid(ablk->ioc));
        m->pcifn = (u8)pcifn;
-       m->bw = cpu_to_be32(bw);
+       m->bw_min = cpu_to_be16(bw_min);
+       m->bw_max = cpu_to_be16(bw_max);
        bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb);
 
        return BFA_STATUS_OK;
@@ -4670,22 +4687,25 @@ diag_tempsensor_comp(struct bfa_diag_s *diag, bfi_diag_ts_rsp_t *rsp)
        diag->tsensor.temp->temp = be16_to_cpu(rsp->temp);
        diag->tsensor.temp->ts_junc = rsp->ts_junc;
        diag->tsensor.temp->ts_brd = rsp->ts_brd;
-       diag->tsensor.temp->status = BFA_STATUS_OK;
 
        if (rsp->ts_brd) {
+               /* tsensor.temp->status is brd_temp status */
+               diag->tsensor.temp->status = rsp->status;
                if (rsp->status == BFA_STATUS_OK) {
                        diag->tsensor.temp->brd_temp =
                                be16_to_cpu(rsp->brd_temp);
-               } else {
-                       bfa_trc(diag, rsp->status);
+               } else
                        diag->tsensor.temp->brd_temp = 0;
-                       diag->tsensor.temp->status = BFA_STATUS_DEVBUSY;
-               }
        }
+
+       bfa_trc(diag, rsp->status);
        bfa_trc(diag, rsp->ts_junc);
        bfa_trc(diag, rsp->temp);
        bfa_trc(diag, rsp->ts_brd);
        bfa_trc(diag, rsp->brd_temp);
+
+       /* tsensor status is always good bcos we always have junction temp */
+       diag->tsensor.status = BFA_STATUS_OK;
        diag->tsensor.cbfn(diag->tsensor.cbarg, diag->tsensor.status);
        diag->tsensor.lock = 0;
 }
@@ -4914,6 +4934,7 @@ bfa_diag_tsensor_query(struct bfa_diag_s *diag,
        diag->tsensor.temp = result;
        diag->tsensor.cbfn = cbfn;
        diag->tsensor.cbarg = cbarg;
+       diag->tsensor.status = BFA_STATUS_OK;
 
        /* Send msg to fw */
        diag_tempsensor_send(diag);
@@ -5605,7 +5626,7 @@ bfa_dconf_sm_uninit(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event)
                }
                bfa_sm_set_state(dconf, bfa_dconf_sm_flash_read);
                bfa_timer_start(dconf->bfa, &dconf->timer,
-                       bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV);
+                       bfa_dconf_timer, dconf, 2 * BFA_DCONF_UPDATE_TOV);
                bfa_status = bfa_flash_read_part(BFA_FLASH(dconf->bfa),
                                        BFA_FLASH_PART_DRV, dconf->instance,
                                        dconf->dconf,
@@ -5645,7 +5666,7 @@ bfa_dconf_sm_flash_read(struct bfa_dconf_mod_s *dconf,
                break;
        case BFA_DCONF_SM_TIMEOUT:
                bfa_sm_set_state(dconf, bfa_dconf_sm_ready);
-               bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_IOC_FAILED);
+               bfa_ioc_suspend(&dconf->bfa->ioc);
                break;
        case BFA_DCONF_SM_EXIT:
                bfa_timer_stop(&dconf->timer);
@@ -5843,7 +5864,6 @@ bfa_dconf_init_cb(void *arg, bfa_status_t status)
        struct bfa_s *bfa = arg;
        struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
 
-       bfa_sm_send_event(dconf, BFA_DCONF_SM_FLASH_COMP);
        if (status == BFA_STATUS_OK) {
                bfa_dconf_read_data_valid(bfa) = BFA_TRUE;
                if (dconf->dconf->hdr.signature != BFI_DCONF_SIGNATURE)
@@ -5851,6 +5871,7 @@ bfa_dconf_init_cb(void *arg, bfa_status_t status)
                if (dconf->dconf->hdr.version != BFI_DCONF_VERSION)
                        dconf->dconf->hdr.version = BFI_DCONF_VERSION;
        }
+       bfa_sm_send_event(dconf, BFA_DCONF_SM_FLASH_COMP);
        bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_DCONF_DONE);
 }
 
@@ -5935,3 +5956,448 @@ bfa_dconf_modexit(struct bfa_s *bfa)
        struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
        bfa_sm_send_event(dconf, BFA_DCONF_SM_EXIT);
 }
+
+/*
+ * FRU specific functions
+ */
+
+#define BFA_FRU_DMA_BUF_SZ     0x02000         /* 8k dma buffer */
+#define BFA_FRU_CHINOOK_MAX_SIZE 0x10000
+#define BFA_FRU_LIGHTNING_MAX_SIZE 0x200
+
+static void
+bfa_fru_notify(void *cbarg, enum bfa_ioc_event_e event)
+{
+       struct bfa_fru_s *fru = cbarg;
+
+       bfa_trc(fru, event);
+
+       switch (event) {
+       case BFA_IOC_E_DISABLED:
+       case BFA_IOC_E_FAILED:
+               if (fru->op_busy) {
+                       fru->status = BFA_STATUS_IOC_FAILURE;
+                       fru->cbfn(fru->cbarg, fru->status);
+                       fru->op_busy = 0;
+               }
+               break;
+
+       default:
+               break;
+       }
+}
+
+/*
+ * Send fru write request.
+ *
+ * @param[in] cbarg - callback argument
+ */
+static void
+bfa_fru_write_send(void *cbarg, enum bfi_fru_h2i_msgs msg_type)
+{
+       struct bfa_fru_s *fru = cbarg;
+       struct bfi_fru_write_req_s *msg =
+                       (struct bfi_fru_write_req_s *) fru->mb.msg;
+       u32 len;
+
+       msg->offset = cpu_to_be32(fru->addr_off + fru->offset);
+       len = (fru->residue < BFA_FRU_DMA_BUF_SZ) ?
+                               fru->residue : BFA_FRU_DMA_BUF_SZ;
+       msg->length = cpu_to_be32(len);
+
+       /*
+        * indicate if it's the last msg of the whole write operation
+        */
+       msg->last = (len == fru->residue) ? 1 : 0;
+
+       bfi_h2i_set(msg->mh, BFI_MC_FRU, msg_type, bfa_ioc_portid(fru->ioc));
+       bfa_alen_set(&msg->alen, len, fru->dbuf_pa);
+
+       memcpy(fru->dbuf_kva, fru->ubuf + fru->offset, len);
+       bfa_ioc_mbox_queue(fru->ioc, &fru->mb);
+
+       fru->residue -= len;
+       fru->offset += len;
+}
+
+/*
+ * Send fru read request.
+ *
+ * @param[in] cbarg - callback argument
+ */
+static void
+bfa_fru_read_send(void *cbarg, enum bfi_fru_h2i_msgs msg_type)
+{
+       struct bfa_fru_s *fru = cbarg;
+       struct bfi_fru_read_req_s *msg =
+                       (struct bfi_fru_read_req_s *) fru->mb.msg;
+       u32 len;
+
+       msg->offset = cpu_to_be32(fru->addr_off + fru->offset);
+       len = (fru->residue < BFA_FRU_DMA_BUF_SZ) ?
+                               fru->residue : BFA_FRU_DMA_BUF_SZ;
+       msg->length = cpu_to_be32(len);
+       bfi_h2i_set(msg->mh, BFI_MC_FRU, msg_type, bfa_ioc_portid(fru->ioc));
+       bfa_alen_set(&msg->alen, len, fru->dbuf_pa);
+       bfa_ioc_mbox_queue(fru->ioc, &fru->mb);
+}
+
+/*
+ * Flash memory info API.
+ *
+ * @param[in] mincfg - minimal cfg variable
+ */
+u32
+bfa_fru_meminfo(bfa_boolean_t mincfg)
+{
+       /* min driver doesn't need fru */
+       if (mincfg)
+               return 0;
+
+       return BFA_ROUNDUP(BFA_FRU_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
+}
+
+/*
+ * Flash attach API.
+ *
+ * @param[in] fru - fru structure
+ * @param[in] ioc  - ioc structure
+ * @param[in] dev  - device structure
+ * @param[in] trcmod - trace module
+ * @param[in] logmod - log module
+ */
+void
+bfa_fru_attach(struct bfa_fru_s *fru, struct bfa_ioc_s *ioc, void *dev,
+       struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg)
+{
+       fru->ioc = ioc;
+       fru->trcmod = trcmod;
+       fru->cbfn = NULL;
+       fru->cbarg = NULL;
+       fru->op_busy = 0;
+
+       bfa_ioc_mbox_regisr(fru->ioc, BFI_MC_FRU, bfa_fru_intr, fru);
+       bfa_q_qe_init(&fru->ioc_notify);
+       bfa_ioc_notify_init(&fru->ioc_notify, bfa_fru_notify, fru);
+       list_add_tail(&fru->ioc_notify.qe, &fru->ioc->notify_q);
+
+       /* min driver doesn't need fru */
+       if (mincfg) {
+               fru->dbuf_kva = NULL;
+               fru->dbuf_pa = 0;
+       }
+}
+
+/*
+ * Claim memory for fru
+ *
+ * @param[in] fru - fru structure
+ * @param[in] dm_kva - pointer to virtual memory address
+ * @param[in] dm_pa - frusical memory address
+ * @param[in] mincfg - minimal cfg variable
+ */
+void
+bfa_fru_memclaim(struct bfa_fru_s *fru, u8 *dm_kva, u64 dm_pa,
+       bfa_boolean_t mincfg)
+{
+       if (mincfg)
+               return;
+
+       fru->dbuf_kva = dm_kva;
+       fru->dbuf_pa = dm_pa;
+       memset(fru->dbuf_kva, 0, BFA_FRU_DMA_BUF_SZ);
+       dm_kva += BFA_ROUNDUP(BFA_FRU_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
+       dm_pa += BFA_ROUNDUP(BFA_FRU_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
+}
+
+/*
+ * Update fru vpd image.
+ *
+ * @param[in] fru - fru structure
+ * @param[in] buf - update data buffer
+ * @param[in] len - data buffer length
+ * @param[in] offset - offset relative to starting address
+ * @param[in] cbfn - callback function
+ * @param[in] cbarg - callback argument
+ *
+ * Return status.
+ */
+bfa_status_t
+bfa_fruvpd_update(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset,
+                 bfa_cb_fru_t cbfn, void *cbarg)
+{
+       bfa_trc(fru, BFI_FRUVPD_H2I_WRITE_REQ);
+       bfa_trc(fru, len);
+       bfa_trc(fru, offset);
+
+       if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2)
+               return BFA_STATUS_FRU_NOT_PRESENT;
+
+       if (fru->ioc->attr->card_type != BFA_MFG_TYPE_CHINOOK)
+               return BFA_STATUS_CMD_NOTSUPP;
+
+       if (!bfa_ioc_is_operational(fru->ioc))
+               return BFA_STATUS_IOC_NON_OP;
+
+       if (fru->op_busy) {
+               bfa_trc(fru, fru->op_busy);
+               return BFA_STATUS_DEVBUSY;
+       }
+
+       fru->op_busy = 1;
+
+       fru->cbfn = cbfn;
+       fru->cbarg = cbarg;
+       fru->residue = len;
+       fru->offset = 0;
+       fru->addr_off = offset;
+       fru->ubuf = buf;
+
+       bfa_fru_write_send(fru, BFI_FRUVPD_H2I_WRITE_REQ);
+
+       return BFA_STATUS_OK;
+}
+
+/*
+ * Read fru vpd image.
+ *
+ * @param[in] fru - fru structure
+ * @param[in] buf - read data buffer
+ * @param[in] len - data buffer length
+ * @param[in] offset - offset relative to starting address
+ * @param[in] cbfn - callback function
+ * @param[in] cbarg - callback argument
+ *
+ * Return status.
+ */
+bfa_status_t
+bfa_fruvpd_read(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset,
+               bfa_cb_fru_t cbfn, void *cbarg)
+{
+       bfa_trc(fru, BFI_FRUVPD_H2I_READ_REQ);
+       bfa_trc(fru, len);
+       bfa_trc(fru, offset);
+
+       if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2)
+               return BFA_STATUS_FRU_NOT_PRESENT;
+
+       if (fru->ioc->attr->card_type != BFA_MFG_TYPE_CHINOOK)
+               return BFA_STATUS_CMD_NOTSUPP;
+
+       if (!bfa_ioc_is_operational(fru->ioc))
+               return BFA_STATUS_IOC_NON_OP;
+
+       if (fru->op_busy) {
+               bfa_trc(fru, fru->op_busy);
+               return BFA_STATUS_DEVBUSY;
+       }
+
+       fru->op_busy = 1;
+
+       fru->cbfn = cbfn;
+       fru->cbarg = cbarg;
+       fru->residue = len;
+       fru->offset = 0;
+       fru->addr_off = offset;
+       fru->ubuf = buf;
+       bfa_fru_read_send(fru, BFI_FRUVPD_H2I_READ_REQ);
+
+       return BFA_STATUS_OK;
+}
+
+/*
+ * Get maximum size fru vpd image.
+ *
+ * @param[in] fru - fru structure
+ * @param[out] size - maximum size of fru vpd data
+ *
+ * Return status.
+ */
+bfa_status_t
+bfa_fruvpd_get_max_size(struct bfa_fru_s *fru, u32 *max_size)
+{
+       if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2)
+               return BFA_STATUS_FRU_NOT_PRESENT;
+
+       if (!bfa_ioc_is_operational(fru->ioc))
+               return BFA_STATUS_IOC_NON_OP;
+
+       if (fru->ioc->attr->card_type == BFA_MFG_TYPE_CHINOOK)
+               *max_size = BFA_FRU_CHINOOK_MAX_SIZE;
+       else
+               return BFA_STATUS_CMD_NOTSUPP;
+       return BFA_STATUS_OK;
+}
+/*
+ * tfru write.
+ *
+ * @param[in] fru - fru structure
+ * @param[in] buf - update data buffer
+ * @param[in] len - data buffer length
+ * @param[in] offset - offset relative to starting address
+ * @param[in] cbfn - callback function
+ * @param[in] cbarg - callback argument
+ *
+ * Return status.
+ */
+bfa_status_t
+bfa_tfru_write(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset,
+              bfa_cb_fru_t cbfn, void *cbarg)
+{
+       bfa_trc(fru, BFI_TFRU_H2I_WRITE_REQ);
+       bfa_trc(fru, len);
+       bfa_trc(fru, offset);
+       bfa_trc(fru, *((u8 *) buf));
+
+       if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2)
+               return BFA_STATUS_FRU_NOT_PRESENT;
+
+       if (!bfa_ioc_is_operational(fru->ioc))
+               return BFA_STATUS_IOC_NON_OP;
+
+       if (fru->op_busy) {
+               bfa_trc(fru, fru->op_busy);
+               return BFA_STATUS_DEVBUSY;
+       }
+
+       fru->op_busy = 1;
+
+       fru->cbfn = cbfn;
+       fru->cbarg = cbarg;
+       fru->residue = len;
+       fru->offset = 0;
+       fru->addr_off = offset;
+       fru->ubuf = buf;
+
+       bfa_fru_write_send(fru, BFI_TFRU_H2I_WRITE_REQ);
+
+       return BFA_STATUS_OK;
+}
+
+/*
+ * tfru read.
+ *
+ * @param[in] fru - fru structure
+ * @param[in] buf - read data buffer
+ * @param[in] len - data buffer length
+ * @param[in] offset - offset relative to starting address
+ * @param[in] cbfn - callback function
+ * @param[in] cbarg - callback argument
+ *
+ * Return status.
+ */
+bfa_status_t
+bfa_tfru_read(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset,
+             bfa_cb_fru_t cbfn, void *cbarg)
+{
+       bfa_trc(fru, BFI_TFRU_H2I_READ_REQ);
+       bfa_trc(fru, len);
+       bfa_trc(fru, offset);
+
+       if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2)
+               return BFA_STATUS_FRU_NOT_PRESENT;
+
+       if (!bfa_ioc_is_operational(fru->ioc))
+               return BFA_STATUS_IOC_NON_OP;
+
+       if (fru->op_busy) {
+               bfa_trc(fru, fru->op_busy);
+               return BFA_STATUS_DEVBUSY;
+       }
+
+       fru->op_busy = 1;
+
+       fru->cbfn = cbfn;
+       fru->cbarg = cbarg;
+       fru->residue = len;
+       fru->offset = 0;
+       fru->addr_off = offset;
+       fru->ubuf = buf;
+       bfa_fru_read_send(fru, BFI_TFRU_H2I_READ_REQ);
+
+       return BFA_STATUS_OK;
+}
+
+/*
+ * Process fru response messages upon receiving interrupts.
+ *
+ * @param[in] fruarg - fru structure
+ * @param[in] msg - message structure
+ */
+void
+bfa_fru_intr(void *fruarg, struct bfi_mbmsg_s *msg)
+{
+       struct bfa_fru_s *fru = fruarg;
+       struct bfi_fru_rsp_s *rsp = (struct bfi_fru_rsp_s *)msg;
+       u32 status;
+
+       bfa_trc(fru, msg->mh.msg_id);
+
+       if (!fru->op_busy) {
+               /*
+                * receiving response after ioc failure
+                */
+               bfa_trc(fru, 0x9999);
+               return;
+       }
+
+       switch (msg->mh.msg_id) {
+       case BFI_FRUVPD_I2H_WRITE_RSP:
+       case BFI_TFRU_I2H_WRITE_RSP:
+               status = be32_to_cpu(rsp->status);
+               bfa_trc(fru, status);
+
+               if (status != BFA_STATUS_OK || fru->residue == 0) {
+                       fru->status = status;
+                       fru->op_busy = 0;
+                       if (fru->cbfn)
+                               fru->cbfn(fru->cbarg, fru->status);
+               } else {
+                       bfa_trc(fru, fru->offset);
+                       if (msg->mh.msg_id == BFI_FRUVPD_I2H_WRITE_RSP)
+                               bfa_fru_write_send(fru,
+                                       BFI_FRUVPD_H2I_WRITE_REQ);
+                       else
+                               bfa_fru_write_send(fru,
+                                       BFI_TFRU_H2I_WRITE_REQ);
+               }
+               break;
+       case BFI_FRUVPD_I2H_READ_RSP:
+       case BFI_TFRU_I2H_READ_RSP:
+               status = be32_to_cpu(rsp->status);
+               bfa_trc(fru, status);
+
+               if (status != BFA_STATUS_OK) {
+                       fru->status = status;
+                       fru->op_busy = 0;
+                       if (fru->cbfn)
+                               fru->cbfn(fru->cbarg, fru->status);
+               } else {
+                       u32 len = be32_to_cpu(rsp->length);
+
+                       bfa_trc(fru, fru->offset);
+                       bfa_trc(fru, len);
+
+                       memcpy(fru->ubuf + fru->offset, fru->dbuf_kva, len);
+                       fru->residue -= len;
+                       fru->offset += len;
+
+                       if (fru->residue == 0) {
+                               fru->status = status;
+                               fru->op_busy = 0;
+                               if (fru->cbfn)
+                                       fru->cbfn(fru->cbarg, fru->status);
+                       } else {
+                               if (msg->mh.msg_id == BFI_FRUVPD_I2H_READ_RSP)
+                                       bfa_fru_read_send(fru,
+                                               BFI_FRUVPD_H2I_READ_REQ);
+                               else
+                                       bfa_fru_read_send(fru,
+                                               BFI_TFRU_H2I_READ_REQ);
+                       }
+               }
+               break;
+       default:
+               WARN_ON(1);
+       }
+}