diff options
Diffstat (limited to 'drivers/scsi/bfa/bfa_fcpim.c')
| -rw-r--r-- | drivers/scsi/bfa/bfa_fcpim.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfa_fcpim.c b/drivers/scsi/bfa/bfa_fcpim.c new file mode 100644 index 000000000000..401babe3494e --- /dev/null +++ b/drivers/scsi/bfa/bfa_fcpim.c @@ -0,0 +1,175 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <bfa.h> +#include <log/bfa_log_hal.h> + +BFA_TRC_FILE(HAL, FCPIM); +BFA_MODULE(fcpim); + +/** + * hal_fcpim_mod BFA FCP Initiator Mode module + */ + +/** + * Compute and return memory needed by FCP(im) module. + */ +static void +bfa_fcpim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, + u32 *dm_len) +{ + bfa_itnim_meminfo(cfg, km_len, dm_len); + + /** + * IO memory + */ + if (cfg->fwcfg.num_ioim_reqs < BFA_IOIM_MIN) + cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MIN; + else if (cfg->fwcfg.num_ioim_reqs > BFA_IOIM_MAX) + cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MAX; + + *km_len += cfg->fwcfg.num_ioim_reqs * + (sizeof(struct bfa_ioim_s) + sizeof(struct bfa_ioim_sp_s)); + + *dm_len += cfg->fwcfg.num_ioim_reqs * BFI_IOIM_SNSLEN; + + /** + * task management command memory + */ + if (cfg->fwcfg.num_tskim_reqs < BFA_TSKIM_MIN) + cfg->fwcfg.num_tskim_reqs = BFA_TSKIM_MIN; + *km_len += cfg->fwcfg.num_tskim_reqs * sizeof(struct bfa_tskim_s); +} + + +static void +bfa_fcpim_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + + bfa_trc(bfa, cfg->drvcfg.path_tov); + bfa_trc(bfa, cfg->fwcfg.num_rports); + bfa_trc(bfa, cfg->fwcfg.num_ioim_reqs); + bfa_trc(bfa, cfg->fwcfg.num_tskim_reqs); + + fcpim->bfa = bfa; + fcpim->num_itnims = cfg->fwcfg.num_rports; + fcpim->num_ioim_reqs = cfg->fwcfg.num_ioim_reqs; + fcpim->num_tskim_reqs = cfg->fwcfg.num_tskim_reqs; + fcpim->path_tov = cfg->drvcfg.path_tov; + fcpim->delay_comp = cfg->drvcfg.delay_comp; + + bfa_itnim_attach(fcpim, meminfo); + bfa_tskim_attach(fcpim, meminfo); + bfa_ioim_attach(fcpim, meminfo); +} + +static void +bfa_fcpim_initdone(struct bfa_s *bfa) +{ +} + +static void +bfa_fcpim_detach(struct bfa_s *bfa) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + + bfa_ioim_detach(fcpim); + bfa_tskim_detach(fcpim); +} + +static void +bfa_fcpim_start(struct bfa_s *bfa) +{ +} + +static void +bfa_fcpim_stop(struct bfa_s *bfa) +{ +} + +static void +bfa_fcpim_iocdisable(struct bfa_s *bfa) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + struct bfa_itnim_s *itnim; + struct list_head *qe, *qen; + + list_for_each_safe(qe, qen, &fcpim->itnim_q) { + itnim = (struct bfa_itnim_s *) qe; + bfa_itnim_iocdisable(itnim); + } +} + +void +bfa_fcpim_path_tov_set(struct bfa_s *bfa, u16 path_tov) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + + fcpim->path_tov = path_tov * 1000; + if (fcpim->path_tov > BFA_FCPIM_PATHTOV_MAX) + fcpim->path_tov = BFA_FCPIM_PATHTOV_MAX; +} + +u16 +bfa_fcpim_path_tov_get(struct bfa_s *bfa) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + + return (fcpim->path_tov / 1000); +} + +bfa_status_t +bfa_fcpim_get_modstats(struct bfa_s *bfa, struct bfa_fcpim_stats_s *modstats) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + + *modstats = fcpim->stats; + + return BFA_STATUS_OK; +} + +bfa_status_t +bfa_fcpim_clr_modstats(struct bfa_s *bfa) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + + memset(&fcpim->stats, 0, sizeof(struct bfa_fcpim_stats_s)); + + return BFA_STATUS_OK; +} + +void +bfa_fcpim_qdepth_set(struct bfa_s *bfa, u16 q_depth) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + + bfa_assert(q_depth <= BFA_IOCFC_QDEPTH_MAX); + + fcpim->q_depth = q_depth; +} + +u16 +bfa_fcpim_qdepth_get(struct bfa_s *bfa) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + + return (fcpim->q_depth); +} + + |