diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/bfa/bfa.h | 16 | ||||
| -rw-r--r-- | drivers/scsi/bfa/bfa_defs_svc.h | 30 | ||||
| -rw-r--r-- | drivers/scsi/bfa/bfa_fc.h | 156 | ||||
| -rw-r--r-- | drivers/scsi/bfa/bfa_fcpim.c | 469 | ||||
| -rw-r--r-- | drivers/scsi/bfa/bfa_fcpim.h | 12 | ||||
| -rw-r--r-- | drivers/scsi/bfa/bfa_svc.c | 33 | ||||
| -rw-r--r-- | drivers/scsi/bfa/bfa_svc.h | 15 |
7 files changed, 726 insertions, 5 deletions
diff --git a/drivers/scsi/bfa/bfa.h b/drivers/scsi/bfa/bfa.h index 76300befffb..a796de93505 100644 --- a/drivers/scsi/bfa/bfa.h +++ b/drivers/scsi/bfa/bfa.h @@ -382,6 +382,22 @@ int bfa_iocfc_get_pbc_vports(struct bfa_s *bfa, #define bfa_get_fw_clock_res(__bfa) \ ((__bfa)->iocfc.cfgrsp->fwcfg.fw_tick_res) +/* + * lun mask macros return NULL when min cfg is enabled and there is + * no memory allocated for lunmask. + */ +#define bfa_get_lun_mask(__bfa) \ + ((&(__bfa)->modules.dconf_mod)->min_cfg) ? NULL : \ + (&(BFA_DCONF_MOD(__bfa)->dconf->lun_mask)) + +#define bfa_get_lun_mask_list(_bfa) \ + ((&(_bfa)->modules.dconf_mod)->min_cfg) ? NULL : \ + (bfa_get_lun_mask(_bfa)->lun_list) + +#define bfa_get_lun_mask_status(_bfa) \ + (((&(_bfa)->modules.dconf_mod)->min_cfg) \ + ? BFA_LUNMASK_MINCFG : ((bfa_get_lun_mask(_bfa))->status)) + void bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids); void bfa_cfg_get_default(struct bfa_iocfc_cfg_s *cfg); void bfa_cfg_get_min(struct bfa_iocfc_cfg_s *cfg); diff --git a/drivers/scsi/bfa/bfa_defs_svc.h b/drivers/scsi/bfa/bfa_defs_svc.h index 202cb692f98..863c6ba7d5e 100644 --- a/drivers/scsi/bfa/bfa_defs_svc.h +++ b/drivers/scsi/bfa/bfa_defs_svc.h @@ -672,6 +672,12 @@ struct bfa_itnim_iostats_s { u32 tm_iocdowns; /* TM cleaned-up due to IOC down */ u32 tm_cleanups; /* TM cleanup requests */ u32 tm_cleanup_comps; /* TM cleanup completions */ + u32 lm_lun_across_sg; /* LM lun is across sg data buf */ + u32 lm_lun_not_sup; /* LM lun not supported */ + u32 lm_rpl_data_changed; /* LM report-lun data changed */ + u32 lm_wire_residue_changed; /* LM report-lun rsp residue changed */ + u32 lm_small_buf_addresidue; /* LM buf smaller than reported cnt */ + u32 lm_lun_not_rdy; /* LM lun not ready */ }; /* Modify char* port_stt[] in bfal_port.c if a new state was added */ @@ -787,6 +793,28 @@ enum bfa_port_linkstate_rsn { CEE_ISCSI_PRI_PFC_OFF = 42, CEE_ISCSI_PRI_OVERLAP_FCOE_PRI = 43 }; + +#define MAX_LUN_MASK_CFG 16 + +/* + * Initially flash content may be fff. On making LUN mask enable and disable + * state chnage. when report lun command is being processed it goes from + * BFA_LUN_MASK_ACTIVE to BFA_LUN_MASK_FETCH and comes back to + * BFA_LUN_MASK_ACTIVE. + */ +enum bfa_ioim_lun_mask_state_s { + BFA_IOIM_LUN_MASK_INACTIVE = 0, + BFA_IOIM_LUN_MASK_ACTIVE = 1, + BFA_IOIM_LUN_MASK_FETCHED = 2, +}; + +enum bfa_lunmask_state_s { + BFA_LUNMASK_DISABLED = 0x00, + BFA_LUNMASK_ENABLED = 0x01, + BFA_LUNMASK_MINCFG = 0x02, + BFA_LUNMASK_UNINITIALIZED = 0xff, +}; + #pragma pack(1) /* * LUN mask configuration @@ -794,7 +822,7 @@ enum bfa_port_linkstate_rsn { struct bfa_lun_mask_s { wwn_t lp_wwn; wwn_t rp_wwn; - lun_t lun; + struct scsi_lun lun; u8 ua; u8 rsvd[3]; u16 rp_tag; diff --git a/drivers/scsi/bfa/bfa_fc.h b/drivers/scsi/bfa/bfa_fc.h index a007345e472..50b6a1c8619 100644 --- a/drivers/scsi/bfa/bfa_fc.h +++ b/drivers/scsi/bfa/bfa_fc.h @@ -21,7 +21,6 @@ #include "bfad_drv.h" typedef u64 wwn_t; -typedef u64 lun_t; #define WWN_NULL (0) #define FC_SYMNAME_MAX 256 /* max name server symbolic name size */ @@ -57,6 +56,161 @@ struct scsi_cdb_s { #define SCSI_MAX_ALLOC_LEN 0xFF /* maximum allocarion length */ +#define SCSI_SENSE_CUR_ERR 0x70 +#define SCSI_SENSE_DEF_ERR 0x71 + +/* + * SCSI additional sense codes + */ +#define SCSI_ASC_LUN_NOT_READY 0x04 +#define SCSI_ASC_LUN_NOT_SUPPORTED 0x25 +#define SCSI_ASC_TOCC 0x3F + +/* + * SCSI additional sense code qualifiers + */ +#define SCSI_ASCQ_MAN_INTR_REQ 0x03 /* manual intervention req */ +#define SCSI_ASCQ_RL_DATA_CHANGED 0x0E /* report luns data changed */ + +/* + * Methods of reporting informational exceptions + */ +#define SCSI_MP_IEC_UNIT_ATTN 0x2 /* generate unit attention */ + +struct scsi_report_luns_data_s { + u32 lun_list_length; /* length of LUN list length */ + u32 reserved; + struct scsi_lun lun[1]; /* first LUN in lun list */ +}; + +struct scsi_inquiry_vendor_s { + u8 vendor_id[8]; +}; + +struct scsi_inquiry_prodid_s { + u8 product_id[16]; +}; + +struct scsi_inquiry_prodrev_s { + u8 product_rev[4]; +}; + +struct scsi_inquiry_data_s { +#ifdef __BIG_ENDIAN + u8 peripheral_qual:3; /* peripheral qualifier */ + u8 device_type:5; /* peripheral device type */ + u8 rmb:1; /* removable medium bit */ + u8 device_type_mod:7; /* device type modifier */ + u8 version; + u8 aenc:1; /* async evt notification capability */ + u8 trm_iop:1; /* terminate I/O process */ + u8 norm_aca:1; /* normal ACA supported */ + u8 hi_support:1; /* SCSI-3: supports REPORT LUNS */ + u8 rsp_data_format:4; + u8 additional_len; + u8 sccs:1; + u8 reserved1:7; + u8 reserved2:1; + u8 enc_serv:1; /* enclosure service component */ + u8 reserved3:1; + u8 multi_port:1; /* multi-port device */ + u8 m_chngr:1; /* device in medium transport element */ + u8 ack_req_q:1; /* SIP specific bit */ + u8 addr32:1; /* SIP specific bit */ + u8 addr16:1; /* SIP specific bit */ + u8 rel_adr:1; /* relative address */ + u8 w_bus32:1; + u8 w_bus16:1; + u8 synchronous:1; + u8 linked_commands:1; + u8 trans_dis:1; + u8 cmd_queue:1; /* command queueing supported */ + u8 soft_reset:1; /* soft reset alternative (VS) */ +#else + u8 device_type:5; /* peripheral device type */ + u8 peripheral_qual:3; /* peripheral qualifier */ + u8 device_type_mod:7; /* device type modifier */ + u8 rmb:1; /* removable medium bit */ + u8 version; + u8 rsp_data_format:4; + u8 hi_support:1; /* SCSI-3: supports REPORT LUNS */ + u8 norm_aca:1; /* normal ACA supported */ + u8 terminate_iop:1;/* terminate I/O process */ + u8 aenc:1; /* async evt notification capability */ + u8 additional_len; + u8 reserved1:7; + u8 sccs:1; + u8 addr16:1; /* SIP specific bit */ + u8 addr32:1; /* SIP specific bit */ + u8 ack_req_q:1; /* SIP specific bit */ + u8 m_chngr:1; /* device in medium transport element */ + u8 multi_port:1; /* multi-port device */ + u8 reserved3:1; /* TBD - Vendor Specific */ + u8 enc_serv:1; /* enclosure service component */ + u8 reserved2:1; + u8 soft_seset:1; /* soft reset alternative (VS) */ + u8 cmd_queue:1; /* command queueing supported */ + u8 trans_dis:1; + u8 linked_commands:1; + u8 synchronous:1; + u8 w_bus16:1; + u8 w_bus32:1; + u8 rel_adr:1; /* relative address */ +#endif + struct scsi_inquiry_vendor_s vendor_id; + struct scsi_inquiry_prodid_s product_id; + struct scsi_inquiry_prodrev_s product_rev; + u8 vendor_specific[20]; + u8 reserved4[40]; +}; + +/* + * SCSI sense data format + */ +struct scsi_sense_s { +#ifdef __BIG_ENDIAN + u8 valid:1; + u8 rsp_code:7; +#else + u8 rsp_code:7; + u8 valid:1; +#endif + u8 seg_num; +#ifdef __BIG_ENDIAN + u8 file_mark:1; + u8 eom:1; /* end of media */ + u8 ili:1; /* incorrect length indicator */ + u8 reserved:1; + u8 sense_key:4; +#else + u8 sense_key:4; + u8 reserved:1; + u8 ili:1; /* incorrect length indicator */ + u8 eom:1; /* end of media */ + u8 file_mark:1; +#endif + u8 information[4]; /* device-type or cmd specific info */ + u8 add_sense_length; /* additional sense length */ + u8 command_info[4];/* command specific information */ + u8 asc; /* additional sense code */ + u8 ascq; /* additional sense code qualifier */ + u8 fru_code; /* field replaceable unit code */ +#ifdef __BIG_ENDIAN + u8 sksv:1; /* sense key specific valid */ + u8 c_d:1; /* command/data bit */ + u8 res1:2; + u8 bpv:1; /* bit pointer valid */ + u8 bpointer:3; /* bit pointer */ +#else + u8 bpointer:3; /* bit pointer */ + u8 bpv:1; /* bit pointer valid */ + u8 res1:2; + u8 c_d:1; /* command/data bit */ + u8 sksv:1; /* sense key specific valid */ +#endif + u8 fpointer[2]; /* field pointer */ +}; + /* * Fibre Channel Header Structure (FCHS) definition */ diff --git a/drivers/scsi/bfa/bfa_fcpim.c b/drivers/scsi/bfa/bfa_fcpim.c index 7bc010dc17b..e601f178c5a 100644 --- a/drivers/scsi/bfa/bfa_fcpim.c +++ b/drivers/scsi/bfa/bfa_fcpim.c @@ -24,6 +24,9 @@ BFA_TRC_FILE(HAL, FCPIM); * BFA ITNIM Related definitions */ static void bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim); +static bfa_boolean_t bfa_ioim_lm_proc_rpl_data(struct bfa_ioim_s *ioim); +static bfa_boolean_t bfa_ioim_lm_proc_inq_data(struct bfa_ioim_s *ioim); +static void bfa_ioim_lm_init(struct bfa_s *bfa); #define BFA_ITNIM_FROM_TAG(_fcpim, _tag) \ (((_fcpim)->itnim_arr + ((_tag) & ((_fcpim)->num_itnims - 1)))) @@ -57,6 +60,14 @@ static void bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim); } \ } while (0) +#define bfa_ioim_rp_wwn(__ioim) \ + (((struct bfa_fcs_rport_s *) \ + (__ioim)->itnim->rport->rport_drv)->pwwn) + +#define bfa_ioim_lp_wwn(__ioim) \ + ((BFA_LPS_FROM_TAG(BFA_LPS_MOD((__ioim)->bfa), \ + (__ioim)->itnim->rport->rport_info.lp_tag))->pwwn) \ + #define bfa_itnim_sler_cb(__itnim) do { \ if ((__itnim)->bfa->fcs) \ bfa_cb_itnim_sler((__itnim)->ditn); \ @@ -66,6 +77,18 @@ static void bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim); } \ } while (0) +enum bfa_ioim_lm_status { + BFA_IOIM_LM_PRESENT = 1, + BFA_IOIM_LM_LUN_NOT_SUP = 2, + BFA_IOIM_LM_RPL_DATA_CHANGED = 3, + BFA_IOIM_LM_LUN_NOT_RDY = 4, +}; + +enum bfa_ioim_lm_ua_status { + BFA_IOIM_LM_UA_RESET = 0, + BFA_IOIM_LM_UA_SET = 1, +}; + /* * itnim state machine event */ @@ -122,6 +145,9 @@ enum bfa_ioim_event { BFA_IOIM_SM_TMDONE = 16, /* IO cleanup from tskim */ BFA_IOIM_SM_HWFAIL = 17, /* IOC h/w failure event */ BFA_IOIM_SM_IOTOV = 18, /* ITN offline TOV */ + BFA_IOIM_SM_LM_LUN_NOT_SUP = 19,/* lunmask lun not supported */ + BFA_IOIM_SM_LM_RPL_DC = 20, /* lunmask report-lun data changed */ + BFA_IOIM_SM_LM_LUN_NOT_RDY = 21,/* lunmask lun not ready */ }; @@ -219,6 +245,9 @@ static void __bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete); static void __bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete); static void __bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete); static bfa_boolean_t bfa_ioim_is_abortable(struct bfa_ioim_s *ioim); +static void __bfa_cb_ioim_lm_lun_not_sup(void *cbarg, bfa_boolean_t complete); +static void __bfa_cb_ioim_lm_rpl_dc(void *cbarg, bfa_boolean_t complete); +static void __bfa_cb_ioim_lm_lun_not_rdy(void *cbarg, bfa_boolean_t complete); /* * forward declaration of BFA IO state machine @@ -416,6 +445,12 @@ bfa_fcpim_add_stats(struct bfa_itnim_iostats_s *lstats, bfa_fcpim_add_iostats(lstats, rstats, output_reqs); bfa_fcpim_add_iostats(lstats, rstats, rd_throughput); bfa_fcpim_add_iostats(lstats, rstats, wr_throughput); + bfa_fcpim_add_iostats(lstats, rstats, lm_lun_across_sg); + bfa_fcpim_add_iostats(lstats, rstats, lm_lun_not_sup); + bfa_fcpim_add_iostats(lstats, rstats, lm_rpl_data_changed); + bfa_fcpim_add_iostats(lstats, rstats, lm_wire_residue_changed); + bfa_fcpim_add_iostats(lstats, rstats, lm_small_buf_addresidue); + bfa_fcpim_add_iostats(lstats, rstats, lm_lun_not_rdy); } bfa_status_t @@ -1542,7 +1577,28 @@ bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); WARN_ON(!bfa_q_is_on_q(&ioim->itnim->pending_q, ioim)); bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, - __bfa_cb_ioim_abort, ioim); + __bfa_cb_ioim_abort, ioim); + break; + + case BFA_IOIM_SM_LM_LUN_NOT_SUP: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, + __bfa_cb_ioim_lm_lun_not_sup, ioim); + break; + + case BFA_IOIM_SM_LM_RPL_DC: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, + __bfa_cb_ioim_lm_rpl_dc, ioim); + break; + + case BFA_IOIM_SM_LM_LUN_NOT_RDY: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, + __bfa_cb_ioim_lm_lun_not_rdy, ioim); break; default: @@ -2082,6 +2138,264 @@ bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) } } +/* + * This is called from bfa_fcpim_start after the bfa_init() with flash read + * is complete by driver. now invalidate the stale content of lun mask + * like unit attention, rp tag and lp tag. + */ +static void +bfa_ioim_lm_init(struct bfa_s *bfa) +{ + struct bfa_lun_mask_s *lunm_list; + int i; + + if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) + return; + + lunm_list = bfa_get_lun_mask_list(bfa); + for (i = 0; i < MAX_LUN_MASK_CFG; i++) { + lunm_list[i].ua = BFA_IOIM_LM_UA_RESET; + lunm_list[i].lp_tag = BFA_LP_TAG_INVALID; + lunm_list[i].rp_tag = BFA_RPORT_TAG_INVALID; + } +} + +/* + * Validate LUN for LUN masking + */ +static enum bfa_ioim_lm_status +bfa_ioim_lm_check(struct bfa_ioim_s *ioim, struct bfa_lps_s *lps, + struct bfa_rport_s *rp, struct scsi_lun lun) +{ + u8 i; + struct bfa_lun_mask_s *lun_list = bfa_get_lun_mask_list(ioim->bfa); + struct scsi_cmnd *cmnd = (struct scsi_cmnd *)ioim->dio; + struct scsi_cdb_s *cdb = (struct scsi_cdb_s *)cmnd->cmnd; + + if ((cdb->scsi_cdb[0] == REPORT_LUNS) && + (scsilun_to_int((struct scsi_lun *)&lun) == 0)) { + ioim->proc_rsp_data = bfa_ioim_lm_proc_rpl_data; + return BFA_IOIM_LM_PRESENT; + } + + for (i = 0; i < MAX_LUN_MASK_CFG; i++) { + + if (lun_list[i].state != BFA_IOIM_LUN_MASK_ACTIVE) + continue; + + if ((scsilun_to_int((struct scsi_lun *)&lun_list[i].lun) == + scsilun_to_int((struct scsi_lun *)&lun)) + && (rp->rport_tag == lun_list[i].rp_tag) + && ((u8)ioim->itnim->rport->rport_info.lp_tag == + lun_list[i].lp_tag)) { + bfa_trc(ioim->bfa, lun_list[i].rp_tag); + bfa_trc(ioim->bfa, lun_list[i].lp_tag); + bfa_trc(ioim->bfa, scsilun_to_int( + (struct scsi_lun *)&lun_list[i].lun)); + + if ((lun_list[i].ua == BFA_IOIM_LM_UA_SET) && + ((cdb->scsi_cdb[0] != INQUIRY) || + (cdb->scsi_cdb[0] != REPORT_LUNS))) { + lun_list[i].ua = BFA_IOIM_LM_UA_RESET; + return BFA_IOIM_LM_RPL_DATA_CHANGED; + } + + if (cdb->scsi_cdb[0] == REPORT_LUNS) + ioim->proc_rsp_data = bfa_ioim_lm_proc_rpl_data; + + return BFA_IOIM_LM_PRESENT; + } + } + + if ((cdb->scsi_cdb[0] == INQUIRY) && + (scsilun_to_int((struct scsi_lun *)&lun) == 0)) { + ioim->proc_rsp_data = bfa_ioim_lm_proc_inq_data; + return BFA_IOIM_LM_PRESENT; + } + + if (cdb->scsi_cdb[0] == TEST_UNIT_READY) + return BFA_IOIM_LM_LUN_NOT_RDY; + + return BFA_IOIM_LM_LUN_NOT_SUP; +} + +static bfa_boolean_t +bfa_ioim_lm_proc_rsp_data_dummy(struct bfa_ioim_s *ioim) +{ + return BFA_TRUE; +} + +static void +bfa_ioim_lm_fetch_lun(struct bfa_ioim_s *ioim, u8 *rl_data, int offset, + int buf_lun_cnt) +{ + struct bfa_lun_mask_s *lun_list = bfa_get_lun_mask_list(ioim->bfa); + struct scsi_lun *lun_data = (struct scsi_lun *)(rl_data + offset); + struct scsi_lun lun; + int i, j; + + bfa_trc(ioim->bfa, buf_lun_cnt); + for (j = 0; j < buf_lun_cnt; j++) { + lun = *((struct scsi_lun *)(lun_data + j)); + for (i = 0; i < MAX_LUN_MASK_CFG; i++) { + if (lun_list[i].state != BFA_IOIM_LUN_MASK_ACTIVE) + continue; + if ((lun_list[i].rp_wwn == bfa_ioim_rp_wwn(ioim)) && + (lun_list[i].lp_wwn == bfa_ioim_lp_wwn(ioim)) && + (scsilun_to_int((struct scsi_lun *)&lun_list[i].lun) + == scsilun_to_int((struct scsi_lun *)&lun))) { + lun_list[i].state = BFA_IOIM_LUN_MASK_FETCHED; + break; + } + } /* next lun in mask DB */ + } /* next lun in buf */ +} + +static int +bfa_ioim_lm_update_lun_sg(struct bfa_ioim_s *ioim, u32 *pgdlen, + struct scsi_report_luns_data_s *rl) +{ + struct scsi_cmnd *cmnd = (struct scsi_cmnd *)ioim->dio; + struct scatterlist *sg = scsi_sglist(cmnd); + struct bfa_lun_mask_s *lun_list = bfa_get_lun_mask_list(ioim->bfa); + struct scsi_lun *prev_rl_data = NULL, *base_rl_data; + int i, j, sgeid, lun_fetched_cnt = 0, prev_sg_len = 0, base_count; + int lun_across_sg_bytes, bytes_from_next_buf; + u64 last_lun, temp_last_lun; + + /* fetch luns from the first sg element */ + bfa_ioim_lm_fetch_lun(ioim, (u8 *)(rl->lun), 0, + (sg_dma_len(sg) / sizeof(struct scsi_lun)) - 1); + + /* fetch luns from multiple sg elements */ + scsi_for_each_sg(cmnd, sg, scsi_sg_count(cmnd), sgeid) { + if (sgeid == 0) { + prev_sg_len = sg_dma_len(sg); + prev_rl_data = (struct scsi_lun *) + phys_to_virt(sg_dma_address(sg)); + continue; + } + + /* if the buf is having more data */ + lun_across_sg_bytes = prev_sg_len % sizeof(struct scsi_lun); + if (lun_across_sg_bytes) { + bfa_trc(ioim->bfa, lun_across_sg_bytes); + bfa_stats(ioim->itnim, lm_lun_across_sg); + bytes_from_next_buf = sizeof(struct scsi_lun) - + lun_across_sg_bytes; + + /* from next buf take higher bytes */ + temp_last_lun = *((u64 *) + phys_to_virt(sg_dma_address(sg))); + last_lun |= temp_last_lun >> + (lun_across_sg_bytes * BITS_PER_BYTE); + + /* from prev buf take higher bytes */ + temp_last_lun = *((u64 *)(prev_rl_data + + (prev_sg_len - lun_across_sg_bytes))); + temp_last_lun >>= bytes_from_next_buf * BITS_PER_BYTE; + last_lun = last_lun | (temp_last_lun << + (bytes_from_next_buf * BITS_PER_BYTE)); + + bfa_ioim_lm_fetch_lun(ioim, (u8 *)&last_lun, 0, 1); + } else + bytes_from_next_buf = 0; + + *pgdlen += sg_dma_len(sg); + prev_sg_len = sg_dma_len(sg); + prev_rl_data = (struct scsi_lun *) + phys_to_virt(sg_dma_address(sg)); + bfa_ioim_lm_fetch_lun(ioim, (u8 *)prev_rl_data, + bytes_from_next_buf, + sg_dma_len(sg) / sizeof(struct scsi_lun)); + } + + /* update the report luns data - based on fetched luns */ + sg = scsi_sglist(cmnd); + base_rl_data = (struct scsi_lun *)rl->lun; + base_count = (sg_dma_len(sg) / sizeof(struct scsi_lun)) - 1; + for (i = 0, j = 0; i < MAX_LUN_MASK_CFG; i++) { + if (lun_list[i].state == BFA_IOIM_LUN_MASK_FETCHED) { + base_rl_data[j] = lun_list[i].lun; + lun_list[i].state = BFA_IOIM_LUN_MASK_ACTIVE; + j++; + lun_fetched_cnt++; + } + + if (j > base_count) { + j = 0; + sg = sg_next(sg); + base_rl_data = (struct scsi_lun *) + phys_to_virt(sg_dma_address(sg)); + base_count = sg_dma_len(sg) / sizeof(struct scsi_lun); + } + } + + bfa_trc(ioim->bfa, lun_fetched_cnt); + return lun_fetched_cnt; +} + +static bfa_boolean_t +bfa_ioim_lm_proc_inq_data(struct bfa_ioim_s *ioim) +{ + struct scsi_inquiry_data_s *inq; + struct scatterlist *sg = scsi_sglist((struct scsi_cmnd *)ioim->dio); + + ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy; + inq = (struct scsi_inquiry_data_s *)phys_to_virt(sg_dma_address(sg)); + + bfa_trc(ioim->bfa, inq->device_type); + inq->peripheral_qual = SCSI_INQ_PQ_NOT_CON; + return 0; +} + +static bfa_boolean_t +bfa_ioim_lm_proc_rpl_data(struct bfa_ioim_s *ioim) +{ + struct scsi_cmnd *cmnd = (struct scsi_cmnd *)ioim->dio; + struct scatterlist *sg = scsi_sglist(cmnd); + struct bfi_ioim_rsp_s *m; + struct scsi_report_luns_data_s *rl = NULL; + int lun_count = 0, lun_fetched_cnt = 0; + u32 residue, pgdlen = 0; + + ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy; + if (bfa_get_lun_mask_status(ioim->bfa) != BFA_LUNMASK_ENABLED) + return BFA_TRUE; + + m = (struct bfi_ioim_rsp_s *) &ioim->iosp->comp_rspmsg; + if (m->scsi_status == SCSI_STATUS_CHECK_CONDITION) + return BFA_TRUE; + + pgdlen = sg_dma_len(sg); + bfa_trc(ioim->bfa, pgdlen); + rl = (struct scsi_report_luns_data_s *)phys_to_virt(sg_dma_address(sg)); + lun_count = cpu_to_be32(rl->lun_list_length) / sizeof(struct scsi_lun); + lun_fetched_cnt = bfa_ioim_lm_update_lun_sg(ioim, &pgdlen, rl); + + if (lun_count == lun_fetched_cnt) + return BFA_TRUE; + + bfa_trc(ioim->bfa, lun_count); + bfa_trc(ioim->bfa, lun_fetched_cnt); + bfa_trc(ioim->bfa, be32_to_cpu(rl->lun_list_length)); + + if (be32_to_cpu(rl->lun_list_length) <= pgdlen) + rl->lun_list_length = be32_to_cpu(lun_fetched_cnt) * + sizeof(struct scsi_lun); + else + bfa_stats(ioim->itnim, lm_small_buf_addresidue); + + bfa_trc(ioim->bfa, be32_to_cpu(rl->lun_list_length)); + bfa_trc(ioim->bfa, be32_to_cpu(m->residue)); + + residue = be32_to_cpu(m->residue); + residue += (lun_count - lun_fetched_cnt) * sizeof(struct scsi_lun); + bfa_stats(ioim->itnim, lm_wire_residue_changed); + m->residue = be32_to_cpu(residue); + bfa_trc(ioim->bfa, ioim->nsges); + return BFA_FALSE; +} static void __bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete) @@ -2141,6 +2455,105 @@ __bfa_cb_ioim_comp(void *cbarg, bfa_boolean_t complete) } static void +__bfa_cb_ioim_lm_lun_not_sup(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_ioim_s *ioim = cbarg; + int sns_len = 0xD; + u32 residue = scsi_bufflen((struct scsi_cmnd *)ioim->dio); + struct scsi_sense_s *snsinfo; + + if (!complete) { + bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); + return; + } + + snsinfo = (struct scsi_sense_s *)BFA_SNSINFO_FROM_TAG( + ioim->fcpim->fcp, ioim->iotag); + snsinfo->rsp_code = SCSI_SENSE_CUR_ERR; + snsinfo->add_sense_length = 0xa; + snsinfo->asc = SCSI_ASC_LUN_NOT_SUPPORTED; + snsinfo->sense_key = ILLEGAL_REQUEST; + bfa_trc(ioim->bfa, residue); + bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_OK, + SCSI_STATUS_CHECK_CONDITION, sns_len, + (u8 *)snsinfo, residue); +} + +static void +__bfa_cb_ioim_lm_rpl_dc(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_ioim_s *ioim = cbarg; + int sns_len = 0xD; + u32 residue = scsi_bufflen((struct scsi_cmnd *)ioim->dio); + struct scsi_sense_s *snsinfo; + + if (!complete) { + bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); + return; + } + + snsinfo = (struct scsi_sense_s *)BFA_SNSINFO_FROM_TAG(ioim->fcpim->fcp, + ioim->iotag); + snsinfo->rsp_code = SCSI_SENSE_CUR_ERR; + snsinfo->sense_key = SCSI_MP_IEC_UNIT_ATTN; + snsinfo->asc = SCSI_ASC_TOCC; + snsinfo->add_sense_length = 0x6; + snsinfo->ascq = SCSI_ASCQ_RL_DATA_CHANGED; + bfa_trc(ioim->bfa, residue); + bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_OK, + SCSI_STATUS_CHECK_CONDITION, sns_len, + (u8 *)snsinfo, residue); +} + +static void +__bfa_cb_ioim_lm_lun_not_rdy(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_ioim_s *ioim = cbarg; + int sns_len = 0xD; + u32 residue = scsi_bufflen((struct scsi_cmnd *)ioim->dio); + struct scsi_sense_s *snsinfo; + + if (!complete) { + bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); + return; + } + + snsinfo = (struct scsi_sense_s *)BFA_SNSINFO_FROM_TAG( + ioim->fcpim->fcp, ioim->iotag); + snsinfo->rsp_code = SCSI_SENSE_CUR_ERR; + snsinfo->add_sense_length = 0xa; + snsinfo->sense_key = NOT_READY; + snsinfo->asc = SCSI_ASC_LUN_NOT_READY; + snsinfo->ascq = SCSI_ASCQ_MAN_INTR_REQ; + bfa_trc(ioim->bfa, residue); + bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_OK, + SCSI_STATUS_CHECK_CONDITION, sns_len, + (u8 *)snsinfo, residue); +} + +void +bfa_fcpim_lunmask_rp_update(struct bfa_s *bfa, wwn_t lp_wwn, wwn_t rp_wwn, + u16 rp_tag, u8 lp_tag) +{ + struct bfa_lun_mask_s *lun_list; + u8 i; + + if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) + return; + + lun_list = bfa_get_lun_mask_list(bfa); + for (i = 0; i < MAX_LUN_MASK_CFG; i++) { + if (lun_list[i].state == BFA_IOIM_LUN_MASK_ACTIVE) { + if ((lun_list[i].lp_wwn == lp_wwn) && + (lun_list[i].rp_wwn == rp_wwn)) { + lun_list[i].rp_tag = rp_tag; + lun_list[i].lp_tag = lp_tag; + } + } + } +} + +static void __bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete) { struct bfa_ioim_s *ioim = cbarg; @@ -2150,6 +2563,7 @@ __bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete) return; } + ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy; bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_ABORTED, 0, 0, NULL, 0); } @@ -2165,6 +2579,7 @@ __bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete) return; } + ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy; bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_PATHTOV, 0, 0, NULL, 0); } @@ -2179,6 +2594,7 @@ __bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete) return; } + ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy; bfa_cb_ioim_abort(ioim->bfa->bfad, ioim->dio); } @@ -2522,6 +2938,7 @@ bfa_ioim_attach(struct bfa_fcpim_s *fcpim) ioim->bfa = fcpim->bfa; ioim->fcpim = fcpim; ioim->iosp = iosp; + ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy; INIT_LIST_HEAD(&ioim->sgpg_q); bfa_reqq_winit(&ioim->iosp->reqq_wait, bfa_ioim_qresume, ioim); @@ -2559,6 +2976,7 @@ bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) evt = BFA_IOIM_SM_DONE; else evt = BFA_IOIM_SM_COMP; + ioim->proc_rsp_data(ioim); break; case BFI_IOIM_STS_TIMEDOUT: @@ -2594,6 +3012,7 @@ bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) if (rsp->abort_tag != ioim->abort_tag) { bfa_trc(ioim->bfa, rsp->abort_tag); bfa_trc(ioim->bfa, ioim->abort_tag); + ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy; return; } @@ -2612,6 +3031,7 @@ bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) WARN_ON(1); } + ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy; bfa_sm_send_event(ioim, evt); } @@ -2629,7 +3049,16 @@ bfa_ioim_good_comp_isr(struct bfa_s *bfa, struct bfi_msg_s *m) WARN_ON(BFA_IOIM_TAG_2_ID(ioim->iotag) != iotag); bfa_ioim_cb_profile_comp(fcpim, ioim); - bfa_sm_send_event(ioim, BFA_IOIM_SM_COMP_GOOD); + + if (bfa_get_lun_mask_status(bfa) != BFA_LUNMASK_ENABLED) { + bfa_sm_send_event(ioim, BFA_IOIM_SM_COMP_GOOD); + return; + } + + if (ioim->proc_rsp_data(ioim) == BFA_TRUE) + bfa_sm_send_event(ioim, BFA_IOIM_SM_COMP_GOOD); + else + bfa_sm_send_event(ioim, BFA_IOIM_SM_COMP); } /* @@ -2741,6 +3170,35 @@ bfa_ioim_free(struct bfa_ioim_s *ioim) void bfa_ioim_start(struct bfa_ioim_s *ioim) { + struct scsi_cmnd *cmnd = (struct scsi_cmnd *)ioim->dio; + struct bfa_lps_s *lps; + enum bfa_ioim_lm_status status; + struct scsi_lun scsilun; + + if (bfa_get_lun_mask_status(ioim->bfa) == BFA_LUNMASK_ENABLED) { + lps = BFA_IOIM_TO_LPS(ioim); + int_to_scsilun(cmnd->device->lun, &scsilun); + status = bfa_ioim_lm_check(ioim, lps, + ioim->itnim->rport, scsilun); + if (status == BFA_IOIM_LM_LUN_NOT_RDY) { + bfa_sm_send_event(ioim, BFA_IOIM_SM_LM_LUN_NOT_RDY); + bfa_stats(ioim->itnim, lm_lun_not_rdy); + return; + } + + if (status == BFA_IOIM_LM_LUN_NOT_SUP) { + bfa_sm_send_event(ioim, BFA_IOIM_SM_LM_LUN_NOT_SUP); + bfa_stats(ioim->itnim, lm_lun_not_sup); + return; + } + + if (status == BFA_IOIM_LM_RPL_DATA_CHANGED) { + bfa_sm_send_event(ioim, BFA_IOIM_SM_LM_RPL_DC); + bfa_stats(ioim->itnim, lm_rpl_data_changed); + return; + } + } + bfa_ioim_cb_profile_start(ioim->fcpim, ioim); /* @@ -3484,6 +3942,13 @@ bfa_fcp_detach(struct bfa_s *bfa) static void bfa_fcp_start(struct bfa_s *bfa) { + struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); + + /* + * bfa_init() with flash read is complete. now invalidate the stale + * content of lun mask like unit attention, rp tag and lp tag. + */ + bfa_ioim_lm_init(fcp->bfa); } static void diff --git a/drivers/scsi/bfa/bfa_fcpim.h b/drivers/scsi/bfa/bfa_fcpim.h index c224987b9c3..99fc913929b 100644 --- a/drivers/scsi/bfa/bfa_fcpim.h +++ b/drivers/scsi/bfa/bfa_fcpim.h @@ -110,6 +110,7 @@ struct bfad_ioim_s; struct bfad_tskim_s; typedef void (*bfa_fcpim_profile_t) (struct bfa_ioim_s *ioim); +typedef bfa_boolean_t (*bfa_ioim_lm_proc_rsp_data_t) (struct bfa_ioim_s *ioim); struct bfa_fcpim_s { struct bfa_s *bfa; @@ -123,7 +124,7 @@ struct bfa_fcpim_s { u32 path_tov; u16 q_depth; u8 reqq; /* Request queue to be used */ - u8 rsvd; + u8 lun_masking_pending; struct list_head itnim_q; /* queue of active itnim */ struct list_head ioim_resfree_q; /* IOs waiting for f/w */ struct list_head ioim_comp_q; /* IO global comp Q */ @@ -178,7 +179,9 @@ struct bfa_ioim_s { bfa_cb_cbfn_t io_cbfn; /* IO completion handler */ struct bfa_ioim_sp_s *iosp; /* slow-path IO handling */ u8 reqq; /* Request queue for I/O */ + u8 mode; /* IO is passthrough or not */ u64 start_time; /* IO's Profile start val */ + bfa_ioim_lm_proc_rsp_data_t proc_rsp_data; /* RSP data adjust */ }; struct bfa_ioim_sp_s { @@ -258,6 +261,10 @@ struct bfa_itnim_s { (__ioim)->iotag |= k << BFA_IOIM_RETRY_TAG_OFFSET; \ } while (0) +#define BFA_IOIM_TO_LPS(__ioim) \ + BFA_LPS_FROM_TAG(BFA_LPS_MOD(__ioim->bfa), \ + __ioim->itnim->rport->rport_info.lp_tag) + static inline bfa_boolean_t bfa_ioim_maxretry_reached(struct bfa_ioim_s *ioim) { @@ -407,4 +414,7 @@ void bfa_tskim_start(struct bfa_tskim_s *tskim, void bfa_cb_tskim_done(void *bfad, struct bfad_tskim_s *dtsk, enum bfi_tskim_status tsk_status); +void bfa_fcpim_lunmask_rp_update(struct bfa_s *bfa, wwn_t lp_wwn, + wwn_t rp_wwn, u16 rp_tag, u8 lp_tag); + #endif /* __BFA_FCPIM_H__ */ diff --git a/drivers/scsi/bfa/bfa_svc.c b/drivers/scsi/bfa/bfa_svc.c index d0ed4dd6f35..aa8a0eaf91f 100644 --- a/drivers/scsi/bfa/bfa_svc.c +++ b/drivers/scsi/bfa/bfa_svc.c @@ -4677,6 +4677,7 @@ bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *m) rp = BFA_RPORT_FROM_TAG(bfa, msg.create_rsp->bfa_handle); rp->fw_handle = msg.create_rsp->fw_handle; rp->qos_attr = msg.create_rsp->qos_attr; + bfa_rport_set_lunmask(bfa, rp); WARN_ON(msg.create_rsp->status != BFA_STATUS_OK); bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP); break; @@ -4684,6 +4685,7 @@ bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *m) case BFI_RPORT_I2H_DELETE_RSP: rp = BFA_RPORT_FROM_TAG(bfa, msg.delete_rsp->bfa_handle); WARN_ON(msg.delete_rsp->status != BFA_STATUS_OK); + bfa_rport_unset_lunmask(bfa, rp); bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP); break; @@ -4764,6 +4766,37 @@ bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_port_speed speed) bfa_sm_send_event(rport, BFA_RPORT_SM_SET_SPEED); } +/* Set Rport LUN Mask */ +void +bfa_rport_set_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp) +{ + struct bfa_lps_mod_s *lps_mod = BFA_LPS_MOD(bfa); + wwn_t lp_wwn, rp_wwn; + u8 lp_tag = (u8)rp->rport_info.lp_tag; + + rp_wwn = ((struct bfa_fcs_rport_s *)rp->rport_drv)->pwwn; + lp_wwn = (BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag))->pwwn; + + BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag)->lun_mask = + rp->lun_mask = BFA_TRUE; + bfa_fcpim_lunmask_rp_update(bfa, lp_wwn, rp_wwn, rp->rport_tag, lp_tag); +} + +/* Unset Rport LUN mask */ +void +bfa_rport_unset_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp) +{ + struct bfa_lps_mod_s *lps_mod = BFA_LPS_MOD(bfa); + wwn_t lp_wwn, rp_wwn; + + rp_wwn = ((struct bfa_fcs_rport_s *)rp->rport_drv)->pwwn; + lp_wwn = (BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag))->pwwn; + + BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag)->lun_mask = + rp->lun_mask = BFA_FALSE; + bfa_fcpim_lunmask_rp_update(bfa, lp_wwn, rp_wwn, + BFA_RPORT_TAG_INVALID, BFA_LP_TAG_INVALID); +} /* * SGPG related functions diff --git a/drivers/scsi/bfa/bfa_svc.h b/drivers/scsi/bfa/bfa_svc.h index 01db3520070..95adb86d376 100644 --- a/drivers/scsi/bfa/bfa_svc.h +++ b/drivers/scsi/bfa/bfa_svc.h @@ -297,6 +297,7 @@ struct bfa_rport_s { void *rport_drv; /* fcs/driver rport object */ u16 fw_handle; /* firmware rport handle */ u16 rport_tag; /* BFA rport tag */ + u8 lun_mask; /* LUN mask flag */ struct bfa_rport_info_s rport_info; /* rport info from fcs/driver */ struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */ struct bfa_cb_qe_s hcb_qe; /* BFA callback qelem */ @@ -404,6 +405,7 @@ struct bfa_lps_s { u8 bb_scn; /* local BB_SCN */ u8 lsrjt_rsn; /* LSRJT reason */ u8 lsrjt_expl; /* LSRJT explanation */ + u8 lun_mask; /* LUN mask flag */ wwn_t pwwn; /* port wwn of lport */ wwn_t nwwn; /* node wwn of lport */ wwn_t pr_pwwn; /* port wwn of lport peer */ @@ -574,6 +576,19 @@ void bfa_cb_rport_qos_scn_prio(void *rport, struct bfa_rport_qos_attr_s new_qos_attr); /* + * Rport LUN masking related + */ +#define BFA_RPORT_TAG_INVALID 0xffff +#define BFA_LP_TAG_INVALID 0xff +void bfa_rport_set_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp); +void bfa_rport_unset_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp); +bfa_boolean_t bfa_rport_lunmask_active(struct bfa_rport_s *rp); +wwn_t bfa_rport_get_pwwn(struct bfa_s *bfa, struct bfa_rport_s *rp); +struct bfa_rport_s *bfa_rport_get_by_wwn(struct bfa_s *bfa, u16 vf_id, + wwn_t *lpwwn, wwn_t rpwwn); +void *bfa_cb_get_rp_by_wwn(void *arg, u16 vf_id, wwn_t *lpwwn, wwn_t rpwwn); + +/* * bfa fcxp API functions */ struct bfa_fcxp_s *bfa_fcxp_alloc(void *bfad_fcxp, struct bfa_s *bfa, |