diff options
Diffstat (limited to 'drivers/scsi/bfa/bfa_fcpim.c')
| -rw-r--r-- | drivers/scsi/bfa/bfa_fcpim.c | 123 |
1 files changed, 112 insertions, 11 deletions
diff --git a/drivers/scsi/bfa/bfa_fcpim.c b/drivers/scsi/bfa/bfa_fcpim.c index 1633963c66ca..27b560962357 100644 --- a/drivers/scsi/bfa/bfa_fcpim.c +++ b/drivers/scsi/bfa/bfa_fcpim.c @@ -158,6 +158,7 @@ enum bfa_tskim_event { BFA_TSKIM_SM_IOS_DONE = 7, /* IO and sub TM completions */ BFA_TSKIM_SM_CLEANUP = 8, /* TM cleanup on ITN offline */ BFA_TSKIM_SM_CLEANUP_DONE = 9, /* TM abort completion */ + BFA_TSKIM_SM_UTAG = 10, /* TM completion unknown tag */ }; /* @@ -3036,7 +3037,7 @@ bfa_ioim_abort(struct bfa_ioim_s *ioim) static void bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) { - bfa_trc(tskim->bfa, event); + bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); switch (event) { case BFA_TSKIM_SM_START: @@ -3074,7 +3075,7 @@ bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) static void bfa_tskim_sm_active(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) { - bfa_trc(tskim->bfa, event); + bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); switch (event) { case BFA_TSKIM_SM_DONE: @@ -3110,7 +3111,7 @@ bfa_tskim_sm_active(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) static void bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) { - bfa_trc(tskim->bfa, event); + bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); switch (event) { case BFA_TSKIM_SM_DONE: @@ -3119,6 +3120,7 @@ bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) */ break; + case BFA_TSKIM_SM_UTAG: case BFA_TSKIM_SM_CLEANUP_DONE: bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); bfa_tskim_cleanup_ios(tskim); @@ -3138,7 +3140,7 @@ bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) static void bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) { - bfa_trc(tskim->bfa, event); + bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); switch (event) { case BFA_TSKIM_SM_IOS_DONE: @@ -3170,7 +3172,7 @@ bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) static void bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) { - bfa_trc(tskim->bfa, event); + bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); switch (event) { case BFA_TSKIM_SM_QRESUME: @@ -3207,7 +3209,7 @@ static void bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) { - bfa_trc(tskim->bfa, event); + bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); switch (event) { case BFA_TSKIM_SM_DONE: @@ -3238,7 +3240,7 @@ bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim, static void bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) { - bfa_trc(tskim->bfa, event); + bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); switch (event) { case BFA_TSKIM_SM_HCB: @@ -3560,6 +3562,8 @@ bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) if (rsp->tsk_status == BFI_TSKIM_STS_ABORTED) { bfa_stats(tskim->itnim, tm_cleanup_comps); bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP_DONE); + } else if (rsp->tsk_status == BFI_TSKIM_STS_UTAG) { + bfa_sm_send_event(tskim, BFA_TSKIM_SM_UTAG); } else { bfa_stats(tskim->itnim, tm_fw_rsps); bfa_sm_send_event(tskim, BFA_TSKIM_SM_DONE); @@ -3699,6 +3703,7 @@ bfa_fcp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, struct bfa_mem_dma_s *seg_ptr; u16 idx, nsegs, num_io_req; + fcp->max_ioim_reqs = cfg->fwcfg.num_ioim_reqs; fcp->num_ioim_reqs = cfg->fwcfg.num_ioim_reqs; fcp->num_fwtio_reqs = cfg->fwcfg.num_fwtio_reqs; fcp->num_itns = cfg->fwcfg.num_rports; @@ -3721,6 +3726,7 @@ bfa_fcp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, bfa_iocfc_set_snsbase(bfa, idx, fcp->snsbase[idx].pa); } + fcp->throttle_update_required = 1; bfa_fcpim_attach(fcp, bfad, cfg, pcidev); bfa_iotag_attach(fcp); @@ -3759,23 +3765,33 @@ bfa_fcp_iocdisable(struct bfa_s *bfa) { struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); - /* Enqueue unused ioim resources to free_q */ - list_splice_tail_init(&fcp->iotag_unused_q, &fcp->iotag_ioim_free_q); - bfa_fcpim_iocdisable(fcp); } void -bfa_fcp_res_recfg(struct bfa_s *bfa, u16 num_ioim_fw) +bfa_fcp_res_recfg(struct bfa_s *bfa, u16 num_ioim_fw, u16 max_ioim_fw) { struct bfa_fcp_mod_s *mod = BFA_FCP_MOD(bfa); struct list_head *qe; int i; + /* Update io throttle value only once during driver load time */ + if (!mod->throttle_update_required) + return; + for (i = 0; i < (mod->num_ioim_reqs - num_ioim_fw); i++) { bfa_q_deq_tail(&mod->iotag_ioim_free_q, &qe); list_add_tail(qe, &mod->iotag_unused_q); } + + if (mod->num_ioim_reqs != num_ioim_fw) { + bfa_trc(bfa, mod->num_ioim_reqs); + bfa_trc(bfa, num_ioim_fw); + } + + mod->max_ioim_reqs = max_ioim_fw; + mod->num_ioim_reqs = num_ioim_fw; + mod->throttle_update_required = 0; } void @@ -3833,3 +3849,88 @@ bfa_iotag_attach(struct bfa_fcp_mod_s *fcp) bfa_mem_kva_curp(fcp) = (u8 *) iotag; } + + +/** + * To send config req, first try to use throttle value from flash + * If 0, then use driver parameter + * We need to use min(flash_val, drv_val) because + * memory allocation was done based on this cfg'd value + */ +u16 +bfa_fcpim_get_throttle_cfg(struct bfa_s *bfa, u16 drv_cfg_param) +{ + u16 tmp; + struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); + + /* + * If throttle value from flash is already in effect after driver is + * loaded then until next load, always return current value instead + * of actual flash value + */ + if (!fcp->throttle_update_required) + return (u16)fcp->num_ioim_reqs; + + tmp = bfa_dconf_read_data_valid(bfa) ? bfa_fcpim_read_throttle(bfa) : 0; + if (!tmp || (tmp > drv_cfg_param)) + tmp = drv_cfg_param; + + return tmp; +} + +bfa_status_t +bfa_fcpim_write_throttle(struct bfa_s *bfa, u16 value) +{ + if (!bfa_dconf_get_min_cfg(bfa)) { + BFA_DCONF_MOD(bfa)->dconf->throttle_cfg.value = value; + BFA_DCONF_MOD(bfa)->dconf->throttle_cfg.is_valid = 1; + return BFA_STATUS_OK; + } + + return BFA_STATUS_FAILED; +} + +u16 +bfa_fcpim_read_throttle(struct bfa_s *bfa) +{ + struct bfa_throttle_cfg_s *throttle_cfg = + &(BFA_DCONF_MOD(bfa)->dconf->throttle_cfg); + + return ((!bfa_dconf_get_min_cfg(bfa)) ? + ((throttle_cfg->is_valid == 1) ? (throttle_cfg->value) : 0) : 0); +} + +bfa_status_t +bfa_fcpim_throttle_set(struct bfa_s *bfa, u16 value) +{ + /* in min cfg no commands should run. */ + if ((bfa_dconf_get_min_cfg(bfa) == BFA_TRUE) || + (!bfa_dconf_read_data_valid(bfa))) + return BFA_STATUS_FAILED; + + bfa_fcpim_write_throttle(bfa, value); + + return bfa_dconf_update(bfa); +} + +bfa_status_t +bfa_fcpim_throttle_get(struct bfa_s *bfa, void *buf) +{ + struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); + struct bfa_defs_fcpim_throttle_s throttle; + + if ((bfa_dconf_get_min_cfg(bfa) == BFA_TRUE) || + (!bfa_dconf_read_data_valid(bfa))) + return BFA_STATUS_FAILED; + + memset(&throttle, 0, sizeof(struct bfa_defs_fcpim_throttle_s)); + + throttle.cur_value = (u16)(fcpim->fcp->num_ioim_reqs); + throttle.cfg_value = bfa_fcpim_read_throttle(bfa); + if (!throttle.cfg_value) + throttle.cfg_value = throttle.cur_value; + throttle.max_value = (u16)(fcpim->fcp->max_ioim_reqs); + memcpy(buf, &throttle, sizeof(struct bfa_defs_fcpim_throttle_s)); + + return BFA_STATUS_OK; +} |