diff options
Diffstat (limited to 'drivers/scsi/bfa/bfa_fcpim.c')
-rw-r--r-- | drivers/scsi/bfa/bfa_fcpim.c | 119 |
1 files changed, 75 insertions, 44 deletions
diff --git a/drivers/scsi/bfa/bfa_fcpim.c b/drivers/scsi/bfa/bfa_fcpim.c index eb14fd6..27eab36 100644 --- a/drivers/scsi/bfa/bfa_fcpim.c +++ b/drivers/scsi/bfa/bfa_fcpim.c @@ -286,10 +286,9 @@ static void bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, * 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_fcpim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len) { - bfa_itnim_meminfo(cfg, km_len, dm_len); + bfa_itnim_meminfo(cfg, km_len); /* * IO memory @@ -308,8 +307,7 @@ bfa_fcpim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, static void bfa_fcpim_attach(struct bfa_fcp_mod_s *fcp, void *bfad, - struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo, - struct bfa_pcidev_s *pcidev) + struct bfa_iocfc_cfg_s *cfg, struct bfa_pcidev_s *pcidev) { struct bfa_fcpim_s *fcpim = &fcp->fcpim; struct bfa_s *bfa = fcp->bfa; @@ -328,9 +326,9 @@ bfa_fcpim_attach(struct bfa_fcp_mod_s *fcp, void *bfad, fcpim->profile_comp = NULL; fcpim->profile_start = NULL; - bfa_itnim_attach(fcpim, meminfo); - bfa_tskim_attach(fcpim, meminfo); - bfa_ioim_attach(fcpim, meminfo); + bfa_itnim_attach(fcpim); + bfa_tskim_attach(fcpim); + bfa_ioim_attach(fcpim); } static void @@ -972,8 +970,7 @@ bfa_itnim_tskdone(struct bfa_itnim_s *itnim) } void -bfa_itnim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, - u32 *dm_len) +bfa_itnim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len) { /* * ITN memory @@ -982,15 +979,16 @@ bfa_itnim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, } void -bfa_itnim_attach(struct bfa_fcpim_s *fcpim, struct bfa_meminfo_s *minfo) +bfa_itnim_attach(struct bfa_fcpim_s *fcpim) { struct bfa_s *bfa = fcpim->bfa; + struct bfa_fcp_mod_s *fcp = fcpim->fcp; struct bfa_itnim_s *itnim; int i, j; INIT_LIST_HEAD(&fcpim->itnim_q); - itnim = (struct bfa_itnim_s *) bfa_meminfo_kva(minfo); + itnim = (struct bfa_itnim_s *) bfa_mem_kva_curp(fcp); fcpim->itnim_arr = itnim; for (i = 0; i < fcpim->num_itnims; i++, itnim++) { @@ -1012,7 +1010,7 @@ bfa_itnim_attach(struct bfa_fcpim_s *fcpim, struct bfa_meminfo_s *minfo) bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); } - bfa_meminfo_kva(minfo) = (u8 *) itnim; + bfa_mem_kva_curp(fcp) = (u8 *) itnim; } void @@ -2345,22 +2343,23 @@ bfa_ioim_delayed_comp(struct bfa_ioim_s *ioim, bfa_boolean_t iotov) * Memory allocation and initialization. */ void -bfa_ioim_attach(struct bfa_fcpim_s *fcpim, struct bfa_meminfo_s *minfo) +bfa_ioim_attach(struct bfa_fcpim_s *fcpim) { struct bfa_ioim_s *ioim; + struct bfa_fcp_mod_s *fcp = fcpim->fcp; struct bfa_ioim_sp_s *iosp; u16 i; /* * claim memory first */ - ioim = (struct bfa_ioim_s *) bfa_meminfo_kva(minfo); + ioim = (struct bfa_ioim_s *) bfa_mem_kva_curp(fcp); fcpim->ioim_arr = ioim; - bfa_meminfo_kva(minfo) = (u8 *) (ioim + fcpim->fcp->num_ioim_reqs); + bfa_mem_kva_curp(fcp) = (u8 *) (ioim + fcpim->fcp->num_ioim_reqs); - iosp = (struct bfa_ioim_sp_s *) bfa_meminfo_kva(minfo); + iosp = (struct bfa_ioim_sp_s *) bfa_mem_kva_curp(fcp); fcpim->ioim_sp_arr = iosp; - bfa_meminfo_kva(minfo) = (u8 *) (iosp + fcpim->fcp->num_ioim_reqs); + bfa_mem_kva_curp(fcp) = (u8 *) (iosp + fcpim->fcp->num_ioim_reqs); /* * Initialize ioim free queues @@ -3109,15 +3108,16 @@ bfa_tskim_cleanup(struct bfa_tskim_s *tskim) * Memory allocation and initialization. */ void -bfa_tskim_attach(struct bfa_fcpim_s *fcpim, struct bfa_meminfo_s *minfo) +bfa_tskim_attach(struct bfa_fcpim_s *fcpim) { struct bfa_tskim_s *tskim; + struct bfa_fcp_mod_s *fcp = fcpim->fcp; u16 i; INIT_LIST_HEAD(&fcpim->tskim_free_q); INIT_LIST_HEAD(&fcpim->tskim_unused_q); - tskim = (struct bfa_tskim_s *) bfa_meminfo_kva(minfo); + tskim = (struct bfa_tskim_s *) bfa_mem_kva_curp(fcp); fcpim->tskim_arr = tskim; for (i = 0; i < fcpim->num_tskim_reqs; i++, tskim++) { @@ -3136,7 +3136,7 @@ bfa_tskim_attach(struct bfa_fcpim_s *fcpim, struct bfa_meminfo_s *minfo) list_add_tail(&tskim->qe, &fcpim->tskim_free_q); } - bfa_meminfo_kva(minfo) = (u8 *) tskim; + bfa_mem_kva_curp(fcp) = (u8 *) tskim; } void @@ -3233,9 +3233,14 @@ bfa_tskim_res_recfg(struct bfa_s *bfa, u16 num_tskim_fw) BFA_MODULE(fcp); static void -bfa_fcp_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, u32 *dm_len) +bfa_fcp_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo, + struct bfa_s *bfa) { - u16 num_io_req; + struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); + struct bfa_mem_kva_s *fcp_kva = BFA_MEM_FCP_KVA(bfa); + struct bfa_mem_dma_s *seg_ptr; + u16 nsegs, idx, per_seg_ios, num_io_req; + u32 km_len = 0; /* * ZERO for num_ioim_reqs and num_fwtio_reqs is allowed config value. @@ -3261,43 +3266,69 @@ bfa_fcp_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, u32 *dm_len) cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MAX; } - bfa_fcpim_meminfo(cfg, km_len, dm_len); + bfa_fcpim_meminfo(cfg, &km_len); num_io_req = (cfg->fwcfg.num_ioim_reqs + cfg->fwcfg.num_fwtio_reqs); - *km_len += num_io_req * sizeof(struct bfa_iotag_s); - *km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_itn_s); - *dm_len += num_io_req * BFI_IOIM_SNSLEN; + km_len += num_io_req * sizeof(struct bfa_iotag_s); + km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_itn_s); + + /* dma memory */ + nsegs = BFI_MEM_DMA_NSEGS(num_io_req, BFI_IOIM_SNSLEN); + per_seg_ios = BFI_MEM_NREQS_SEG(BFI_IOIM_SNSLEN); + + bfa_mem_dma_seg_iter(fcp, seg_ptr, nsegs, idx) { + if (num_io_req >= per_seg_ios) { + num_io_req -= per_seg_ios; + bfa_mem_dma_setup(minfo, seg_ptr, + per_seg_ios * BFI_IOIM_SNSLEN); + } else + bfa_mem_dma_setup(minfo, seg_ptr, + num_io_req * BFI_IOIM_SNSLEN); + } + + /* kva memory */ + bfa_mem_kva_setup(minfo, fcp_kva, km_len); } static void bfa_fcp_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_pcidev_s *pcidev) { struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); - u32 snsbufsz; + struct bfa_mem_dma_s *seg_ptr; + u16 idx, nsegs, num_io_req; 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; + fcp->num_itns = cfg->fwcfg.num_rports; fcp->bfa = bfa; - snsbufsz = (fcp->num_ioim_reqs + fcp->num_fwtio_reqs) * BFI_IOIM_SNSLEN; - fcp->snsbase.pa = bfa_meminfo_dma_phys(meminfo); - bfa_meminfo_dma_phys(meminfo) += snsbufsz; + /* + * Setup the pool of snsbase addr's, that is passed to fw as + * part of bfi_iocfc_cfg_s. + */ + num_io_req = (cfg->fwcfg.num_ioim_reqs + cfg->fwcfg.num_fwtio_reqs); + nsegs = BFI_MEM_DMA_NSEGS(num_io_req, BFI_IOIM_SNSLEN); + + bfa_mem_dma_seg_iter(fcp, seg_ptr, nsegs, idx) { + + if (!bfa_mem_dma_virt(seg_ptr)) + break; + + fcp->snsbase[idx].pa = bfa_mem_dma_phys(seg_ptr); + fcp->snsbase[idx].kva = bfa_mem_dma_virt(seg_ptr); + bfa_iocfc_set_snsbase(bfa, idx, fcp->snsbase[idx].pa); + } - fcp->snsbase.kva = bfa_meminfo_dma_virt(meminfo); - bfa_meminfo_dma_virt(meminfo) += snsbufsz; - bfa_iocfc_set_snsbase(bfa, fcp->snsbase.pa); + bfa_fcpim_attach(fcp, bfad, cfg, pcidev); - bfa_fcpim_attach(fcp, bfad, cfg, meminfo, pcidev); + bfa_iotag_attach(fcp); - fcp->itn_arr = (struct bfa_itn_s *) bfa_meminfo_kva(meminfo); - bfa_meminfo_kva(meminfo) = (u8 *)fcp->itn_arr + + fcp->itn_arr = (struct bfa_itn_s *) bfa_mem_kva_curp(fcp); + bfa_mem_kva_curp(fcp) = (u8 *)fcp->itn_arr + (fcp->num_itns * sizeof(struct bfa_itn_s)); memset(fcp->itn_arr, 0, (fcp->num_itns * sizeof(struct bfa_itn_s))); - - bfa_iotag_attach(fcp, meminfo); } static void @@ -3370,12 +3401,12 @@ bfa_itn_isr(struct bfa_s *bfa, struct bfi_msg_s *m) } void -bfa_iotag_attach(struct bfa_fcp_mod_s *fcp, struct bfa_meminfo_s *minfo) +bfa_iotag_attach(struct bfa_fcp_mod_s *fcp) { struct bfa_iotag_s *iotag; u16 num_io_req, i; - iotag = (struct bfa_iotag_s *) bfa_meminfo_kva(minfo); + iotag = (struct bfa_iotag_s *) bfa_mem_kva_curp(fcp); fcp->iotag_arr = iotag; INIT_LIST_HEAD(&fcp->iotag_ioim_free_q); @@ -3392,5 +3423,5 @@ bfa_iotag_attach(struct bfa_fcp_mod_s *fcp, struct bfa_meminfo_s *minfo) list_add_tail(&iotag->qe, &fcp->iotag_tio_free_q); } - bfa_meminfo_kva(minfo) = (u8 *) iotag; + bfa_mem_kva_curp(fcp) = (u8 *) iotag; } |