From 1a1297c644b38d2edfef3004bcc6f9c0084b43a9 Mon Sep 17 00:00:00 2001 From: Krishna Gudipati Date: Fri, 21 Sep 2012 17:26:50 -0700 Subject: [PATCH] [SCSI] bfa: Add support to configure min/max bandwidth for a pcifn - Added support to configure minimum bandwidth for a pcifn. - Minimum bandwith is guaranteed at per queue level. - Added support to update pcifn bandwidth dynamically without a server reboot. Signed-off-by: Krishna Gudipati Signed-off-by: James Bottomley --- drivers/scsi/bfa/bfa_core.c | 9 +++++---- drivers/scsi/bfa/bfa_defs.h | 4 +++- drivers/scsi/bfa/bfa_ioc.c | 20 ++++++++++++-------- drivers/scsi/bfa/bfa_ioc.h | 8 ++++---- drivers/scsi/bfa/bfad_bsg.c | 20 +++++++++++++------- drivers/scsi/bfa/bfad_bsg.h | 3 ++- drivers/scsi/bfa/bfi.h | 3 ++- 7 files changed, 41 insertions(+), 26 deletions(-) diff --git a/drivers/scsi/bfa/bfa_core.c b/drivers/scsi/bfa/bfa_core.c index eb296286c37e..89ebd4459bfc 100644 --- a/drivers/scsi/bfa/bfa_core.c +++ b/drivers/scsi/bfa/bfa_core.c @@ -838,19 +838,20 @@ void bfa_isr_enable(struct bfa_s *bfa) { u32 umsk; - int pci_func = bfa_ioc_pcifn(&bfa->ioc); + int port_id = bfa_ioc_portid(&bfa->ioc); - bfa_trc(bfa, pci_func); + bfa_trc(bfa, bfa_ioc_pcifn(&bfa->ioc)); + bfa_trc(bfa, port_id); bfa_msix_ctrl_install(bfa); if (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)) { umsk = __HFN_INT_ERR_MASK_CT2; - umsk |= pci_func == 0 ? + umsk |= port_id == 0 ? __HFN_INT_FN0_MASK_CT2 : __HFN_INT_FN1_MASK_CT2; } else { umsk = __HFN_INT_ERR_MASK; - umsk |= pci_func == 0 ? __HFN_INT_FN0_MASK : __HFN_INT_FN1_MASK; + umsk |= port_id == 0 ? __HFN_INT_FN0_MASK : __HFN_INT_FN1_MASK; } writel(umsk, bfa->iocfc.bfa_regs.intr_status); diff --git a/drivers/scsi/bfa/bfa_defs.h b/drivers/scsi/bfa/bfa_defs.h index f8df2c949786..f0b251e928bf 100644 --- a/drivers/scsi/bfa/bfa_defs.h +++ b/drivers/scsi/bfa/bfa_defs.h @@ -190,6 +190,7 @@ enum bfa_status { BFA_STATUS_TOPOLOGY_LOOP = 230, /* Topology is set to Loop */ BFA_STATUS_LOOP_UNSUPP_MEZZ = 231, /* Loop topology is not supported * on mezz cards */ + BFA_STATUS_INVALID_BW = 233, /* Invalid bandwidth value */ BFA_STATUS_QOS_BW_INVALID = 234, /* Invalid QOS bandwidth * configuration */ BFA_STATUS_DPORT_ENABLED = 235, /* D-port mode is already enabled */ @@ -749,7 +750,8 @@ struct bfa_ablk_cfg_pf_s { u8 rsvd[1]; u16 num_qpairs; u16 num_vectors; - u32 bw; + u16 bw_min; + u16 bw_max; }; struct bfa_ablk_cfg_port_s { diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c index 4fbff0394985..c697890eeca8 100644 --- a/drivers/scsi/bfa/bfa_ioc.c +++ b/drivers/scsi/bfa/bfa_ioc.c @@ -3019,7 +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]; @@ -3030,8 +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); } } } @@ -3173,7 +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; @@ -3197,7 +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); @@ -3297,8 +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; @@ -3320,7 +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; diff --git a/drivers/scsi/bfa/bfa_ioc.h b/drivers/scsi/bfa/bfa_ioc.h index 8e267246c1a5..0ad221abfc8f 100644 --- a/drivers/scsi/bfa/bfa_ioc.h +++ b/drivers/scsi/bfa/bfa_ioc.h @@ -889,12 +889,12 @@ bfa_status_t bfa_ablk_port_config(struct bfa_ablk_s *ablk, int port, enum bfa_mode_s mode, int max_pf, int max_vf, bfa_ablk_cbfn_t cbfn, void *cbarg); bfa_status_t bfa_ablk_pf_create(struct bfa_ablk_s *ablk, u16 *pcifn, - u8 port, enum bfi_pcifn_class personality, int bw, - bfa_ablk_cbfn_t cbfn, void *cbarg); + u8 port, enum bfi_pcifn_class personality, + u16 bw_min, u16 bw_max, bfa_ablk_cbfn_t cbfn, void *cbarg); bfa_status_t bfa_ablk_pf_delete(struct bfa_ablk_s *ablk, int pcifn, bfa_ablk_cbfn_t cbfn, void *cbarg); -bfa_status_t bfa_ablk_pf_update(struct bfa_ablk_s *ablk, int pcifn, int bw, - bfa_ablk_cbfn_t cbfn, void *cbarg); +bfa_status_t bfa_ablk_pf_update(struct bfa_ablk_s *ablk, int pcifn, + u16 bw_min, u16 bw_max, bfa_ablk_cbfn_t cbfn, void *cbarg); bfa_status_t bfa_ablk_optrom_en(struct bfa_ablk_s *ablk, bfa_ablk_cbfn_t cbfn, void *cbarg); bfa_status_t bfa_ablk_optrom_dis(struct bfa_ablk_s *ablk, diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c index 6e1478ae6251..0ab1d400ac33 100644 --- a/drivers/scsi/bfa/bfad_bsg.c +++ b/drivers/scsi/bfa/bfad_bsg.c @@ -33,7 +33,7 @@ bfad_iocmd_ioc_enable(struct bfad_s *bfad, void *cmd) /* If IOC is not in disabled state - return */ if (!bfa_ioc_is_disabled(&bfad->bfa.ioc)) { spin_unlock_irqrestore(&bfad->bfad_lock, flags); - iocmd->status = BFA_STATUS_IOC_FAILURE; + iocmd->status = BFA_STATUS_OK; return rc; } @@ -54,6 +54,12 @@ bfad_iocmd_ioc_disable(struct bfad_s *bfad, void *cmd) unsigned long flags; spin_lock_irqsave(&bfad->bfad_lock, flags); + if (bfa_ioc_is_disabled(&bfad->bfa.ioc)) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + iocmd->status = BFA_STATUS_OK; + return rc; + } + if (bfad->disable_active) { spin_unlock_irqrestore(&bfad->bfad_lock, flags); return -EBUSY; @@ -1191,8 +1197,8 @@ bfad_iocmd_pcifn_create(struct bfad_s *bfad, void *cmd) spin_lock_irqsave(&bfad->bfad_lock, flags); iocmd->status = bfa_ablk_pf_create(&bfad->bfa.modules.ablk, &iocmd->pcifn_id, iocmd->port, - iocmd->pcifn_class, iocmd->bandwidth, - bfad_hcb_comp, &fcomp); + iocmd->pcifn_class, iocmd->bw_min, + iocmd->bw_max, bfad_hcb_comp, &fcomp); spin_unlock_irqrestore(&bfad->bfad_lock, flags); if (iocmd->status != BFA_STATUS_OK) goto out; @@ -1235,8 +1241,8 @@ bfad_iocmd_pcifn_bw(struct bfad_s *bfad, void *cmd) init_completion(&fcomp.comp); spin_lock_irqsave(&bfad->bfad_lock, flags); iocmd->status = bfa_ablk_pf_update(&bfad->bfa.modules.ablk, - iocmd->pcifn_id, iocmd->bandwidth, - bfad_hcb_comp, &fcomp); + iocmd->pcifn_id, iocmd->bw_min, + iocmd->bw_max, bfad_hcb_comp, &fcomp); spin_unlock_irqrestore(&bfad->bfad_lock, flags); bfa_trc(bfad, iocmd->status); if (iocmd->status != BFA_STATUS_OK) @@ -2122,7 +2128,7 @@ bfad_iocmd_boot_cfg(struct bfad_s *bfad, void *cmd) init_completion(&fcomp.comp); spin_lock_irqsave(&bfad->bfad_lock, flags); iocmd->status = bfa_flash_update_part(BFA_FLASH(&bfad->bfa), - BFA_FLASH_PART_BOOT, PCI_FUNC(bfad->pcidev->devfn), + BFA_FLASH_PART_BOOT, bfad->bfa.ioc.port_id, &iocmd->cfg, sizeof(struct bfa_boot_cfg_s), 0, bfad_hcb_comp, &fcomp); spin_unlock_irqrestore(&bfad->bfad_lock, flags); @@ -2144,7 +2150,7 @@ bfad_iocmd_boot_query(struct bfad_s *bfad, void *cmd) init_completion(&fcomp.comp); spin_lock_irqsave(&bfad->bfad_lock, flags); iocmd->status = bfa_flash_read_part(BFA_FLASH(&bfad->bfa), - BFA_FLASH_PART_BOOT, PCI_FUNC(bfad->pcidev->devfn), + BFA_FLASH_PART_BOOT, bfad->bfa.ioc.port_id, &iocmd->cfg, sizeof(struct bfa_boot_cfg_s), 0, bfad_hcb_comp, &fcomp); spin_unlock_irqrestore(&bfad->bfad_lock, flags); diff --git a/drivers/scsi/bfa/bfad_bsg.h b/drivers/scsi/bfa/bfad_bsg.h index 37922b96079b..e48dcca0d7fa 100644 --- a/drivers/scsi/bfa/bfad_bsg.h +++ b/drivers/scsi/bfa/bfad_bsg.h @@ -469,7 +469,8 @@ struct bfa_bsg_pcifn_s { bfa_status_t status; u16 bfad_num; u16 pcifn_id; - u32 bandwidth; + u16 bw_min; + u16 bw_max; u8 port; enum bfi_pcifn_class pcifn_class; u8 rsvd[1]; diff --git a/drivers/scsi/bfa/bfi.h b/drivers/scsi/bfa/bfi.h index 6f1dd9eac1d1..9c9861f8e6ce 100644 --- a/drivers/scsi/bfa/bfi.h +++ b/drivers/scsi/bfa/bfi.h @@ -690,7 +690,8 @@ struct bfi_ablk_h2i_pf_req_s { u8 pcifn; u8 port; u16 pers; - u32 bw; + u16 bw_min; /* percent BW @ max speed */ + u16 bw_max; /* percent BW @ max speed */ }; /* BFI_ABLK_H2I_OPTROM_ENABLE, BFI_ABLK_H2I_OPTROM_DISABLE */ -- 2.11.4.GIT