diff options
Diffstat (limited to 'drivers/scsi/lpfc')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc.h | 13 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 12 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_bsg.c | 18 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_crtn.h | 1 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_ct.c | 4 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_debugfs.c | 19 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_els.c | 5 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_hbadisc.c | 12 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_hw.h | 5 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_hw4.h | 49 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 137 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_nportdisc.c | 77 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.c | 1054 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 240 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.h | 1 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli4.h | 3 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_version.h | 2 |
17 files changed, 1402 insertions, 250 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 825f9307417a..5fc044ff656e 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -534,6 +534,7 @@ struct lpfc_hba { void (*lpfc_scsi_prep_cmnd) (struct lpfc_vport *, struct lpfc_scsi_buf *, struct lpfc_nodelist *); + /* IOCB interface function jump table entries */ int (*__lpfc_sli_issue_iocb) (struct lpfc_hba *, uint32_t, @@ -541,8 +542,6 @@ struct lpfc_hba { void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *, struct lpfc_iocbq *); int (*lpfc_hba_down_post)(struct lpfc_hba *phba); - - IOCB_t * (*lpfc_get_iocb_from_iocbq) (struct lpfc_iocbq *); void (*lpfc_scsi_cmd_iocb_cmpl) @@ -551,10 +550,12 @@ struct lpfc_hba { /* MBOX interface function jump table entries */ int (*lpfc_sli_issue_mbox) (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); + /* Slow-path IOCB process function jump table entries */ void (*lpfc_sli_handle_slow_ring_event) (struct lpfc_hba *phba, struct lpfc_sli_ring *pring, uint32_t mask); + /* INIT device interface function jump table entries */ int (*lpfc_sli_hbq_to_firmware) (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *); @@ -573,6 +574,10 @@ struct lpfc_hba { int (*lpfc_selective_reset) (struct lpfc_hba *); + int (*lpfc_bg_scsi_prep_dma_buf) + (struct lpfc_hba *, struct lpfc_scsi_buf *); + /* Add new entries here */ + /* SLI4 specific HBA data structure */ struct lpfc_sli4_hba sli4_hba; @@ -838,6 +843,7 @@ struct lpfc_hba { struct dentry *debug_writeGuard; /* inject write guard_tag errors */ struct dentry *debug_writeApp; /* inject write app_tag errors */ struct dentry *debug_writeRef; /* inject write ref_tag errors */ + struct dentry *debug_readGuard; /* inject read guard_tag errors */ struct dentry *debug_readApp; /* inject read app_tag errors */ struct dentry *debug_readRef; /* inject read ref_tag errors */ @@ -845,10 +851,11 @@ struct lpfc_hba { uint32_t lpfc_injerr_wgrd_cnt; uint32_t lpfc_injerr_wapp_cnt; uint32_t lpfc_injerr_wref_cnt; + uint32_t lpfc_injerr_rgrd_cnt; uint32_t lpfc_injerr_rapp_cnt; uint32_t lpfc_injerr_rref_cnt; sector_t lpfc_injerr_lba; -#define LPFC_INJERR_LBA_OFF (sector_t)0xffffffffffffffff +#define LPFC_INJERR_LBA_OFF (sector_t)(-1) struct dentry *debug_slow_ring_trc; struct lpfc_debugfs_trc *slow_ring_trc; diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index f6697cb0e216..296ad5bc4240 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -353,7 +353,7 @@ lpfc_fwrev_show(struct device *dev, struct device_attribute *attr, struct lpfc_hba *phba = vport->phba; uint32_t if_type; uint8_t sli_family; - char fwrev[32]; + char fwrev[FW_REV_STR_SIZE]; int len; lpfc_decode_firmware_rev(phba, fwrev, 1); @@ -922,11 +922,15 @@ lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode) rc = lpfc_sli4_pdev_status_reg_wait(phba); if (rc == -EPERM) { - /* no privilage for reset, restore if needed */ - if (before_fc_flag & FC_OFFLINE_MODE) - goto out; + /* no privilage for reset */ + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "3150 No privilage to perform the requested " + "access: x%x\n", reg_val); } else if (rc == -EIO) { /* reset failed, there is nothing more we can do */ + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "3153 Fail to perform the requested " + "access: x%x\n", reg_val); return rc; } diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index 56a86baece5b..141e4b40bb55 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -589,7 +589,10 @@ lpfc_bsg_rport_els(struct fc_bsg_job *job) } cmdiocbq->iocb.un.elsreq64.bdl.bdeSize = (request_nseg + reply_nseg) * sizeof(struct ulp_bde64); - cmdiocbq->iocb.ulpContext = rpi; + if (phba->sli_rev == LPFC_SLI_REV4) + cmdiocbq->iocb.ulpContext = phba->sli4_hba.rpi_ids[rpi]; + else + cmdiocbq->iocb.ulpContext = rpi; cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC; cmdiocbq->context1 = NULL; cmdiocbq->context2 = NULL; @@ -1768,7 +1771,7 @@ lpfc_sli4_bsg_set_internal_loopback(struct lpfc_hba *phba) bf_set(lpfc_mbx_set_diag_state_link_type, &link_diag_loopback->u.req, phba->sli4_hba.lnk_info.lnk_tp); bf_set(lpfc_mbx_set_diag_lpbk_type, &link_diag_loopback->u.req, - LPFC_DIAG_LOOPBACK_TYPE_SERDES); + LPFC_DIAG_LOOPBACK_TYPE_INTERNAL); mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO); if ((mbxstatus != MBX_SUCCESS) || (pmboxq->u.mb.mbxStatus)) { @@ -3977,7 +3980,7 @@ lpfc_bsg_handle_sli_cfg_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job, case COMN_OPCODE_GET_CNTL_ADDL_ATTRIBUTES: lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, "3106 Handled SLI_CONFIG " - "subsys_fcoe, opcode:x%x\n", + "subsys_comn, opcode:x%x\n", opcode); rc = lpfc_bsg_sli_cfg_read_cmd_ext(phba, job, nemb_mse, dmabuf); @@ -3985,7 +3988,7 @@ lpfc_bsg_handle_sli_cfg_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job, default: lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, "3107 Reject SLI_CONFIG " - "subsys_fcoe, opcode:x%x\n", + "subsys_comn, opcode:x%x\n", opcode); rc = -EPERM; break; @@ -4556,7 +4559,12 @@ lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job, + sizeof(MAILBOX_t)); } } else if (phba->sli_rev == LPFC_SLI_REV4) { - if (pmb->mbxCommand == MBX_DUMP_MEMORY) { + /* Let type 4 (well known data) through because the data is + * returned in varwords[4-8] + * otherwise check the recieve length and fetch the buffer addr + */ + if ((pmb->mbxCommand == MBX_DUMP_MEMORY) && + (pmb->un.varDmp.type != DMP_WELL_KNOWN)) { /* rebuild the command for sli4 using our own buffers * like we do for biu diags */ diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 26924b7a6cde..330dd7192a7f 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -462,3 +462,4 @@ int lpfc_issue_unreg_vfi(struct lpfc_vport *); int lpfc_selective_reset(struct lpfc_hba *); int lpfc_sli4_read_config(struct lpfc_hba *phba); int lpfc_scsi_buf_update(struct lpfc_hba *phba); +void lpfc_sli4_node_prep(struct lpfc_hba *phba); diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index 707081d0a226..93e96b3c9097 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -1076,7 +1076,7 @@ int lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol, size_t size) { - char fwrev[16]; + char fwrev[FW_REV_STR_SIZE]; int n; lpfc_decode_firmware_rev(vport->phba, fwrev, 0); @@ -1834,7 +1834,7 @@ lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag) uint8_t *fwname; if (phba->sli_rev == LPFC_SLI_REV4) - sprintf(fwrevision, "%s", vp->rev.opFwName); + snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName); else if (vp->rev.rBit) { if (psli->sli_flag & LPFC_SLI_ACTIVE) rev = vp->rev.sli2FwRev; diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index 3587a3fe8fcb..22e17be04d8a 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -1019,6 +1019,8 @@ lpfc_debugfs_dif_err_read(struct file *file, char __user *buf, cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_wapp_cnt); else if (dent == phba->debug_writeRef) cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_wref_cnt); + else if (dent == phba->debug_readGuard) + cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_rgrd_cnt); else if (dent == phba->debug_readApp) cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_rapp_cnt); else if (dent == phba->debug_readRef) @@ -1057,6 +1059,8 @@ lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf, phba->lpfc_injerr_wapp_cnt = (uint32_t)tmp; else if (dent == phba->debug_writeRef) phba->lpfc_injerr_wref_cnt = (uint32_t)tmp; + else if (dent == phba->debug_readGuard) + phba->lpfc_injerr_rgrd_cnt = (uint32_t)tmp; else if (dent == phba->debug_readApp) phba->lpfc_injerr_rapp_cnt = (uint32_t)tmp; else if (dent == phba->debug_readRef) @@ -3978,6 +3982,17 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) goto debug_failed; } + snprintf(name, sizeof(name), "readGuardInjErr"); + phba->debug_readGuard = + debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, + phba->hba_debugfs_root, + phba, &lpfc_debugfs_op_dif_err); + if (!phba->debug_readGuard) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, + "0808 Cannot create debugfs readGuard\n"); + goto debug_failed; + } + snprintf(name, sizeof(name), "readAppInjErr"); phba->debug_readApp = debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, @@ -4318,6 +4333,10 @@ lpfc_debugfs_terminate(struct lpfc_vport *vport) debugfs_remove(phba->debug_writeRef); /* writeRef */ phba->debug_writeRef = NULL; } + if (phba->debug_readGuard) { + debugfs_remove(phba->debug_readGuard); /* readGuard */ + phba->debug_readGuard = NULL; + } if (phba->debug_readApp) { debugfs_remove(phba->debug_readApp); /* readApp */ phba->debug_readApp = NULL; diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 7afc757338de..8db2fb3b45ec 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -1526,7 +1526,6 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, memcpy(&ndlp->active_rrqs.xri_bitmap, &rrq.xri_bitmap, sizeof(ndlp->active_rrqs.xri_bitmap)); - lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); /* Since we are swapping the ndlp passed in with the new one * and the did has already been swapped, copy over the * state and names. @@ -1536,6 +1535,7 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, memcpy(&new_ndlp->nlp_nodename, &ndlp->nlp_nodename, sizeof(struct lpfc_name)); new_ndlp->nlp_state = ndlp->nlp_state; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); /* Fix up the rport accordingly */ rport = ndlp->rport; if (rport) { @@ -7172,7 +7172,7 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, goto out; /* FDISC failed */ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "0126 FDISC failed. (%d/%d)\n", + "0126 FDISC failed. (x%x/x%x)\n", irsp->ulpStatus, irsp->un.ulpWord[4]); goto fdisc_failed; } @@ -7283,6 +7283,7 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, int rc; vport->port_state = LPFC_FDISC; + vport->fc_myDID = 0; cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, did, ELS_CMD_FDISC); diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 678a4b11059c..343d87ba4df8 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -2977,9 +2977,9 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, struct lpfc_mbx_read_top *la) "topology\n"); /* Get Loop Map information */ if (bf_get(lpfc_mbx_read_top_il, la)) { - spin_lock_irq(shost->host_lock); + spin_lock(shost->host_lock); vport->fc_flag |= FC_LBIT; - spin_unlock_irq(shost->host_lock); + spin_unlock(shost->host_lock); } vport->fc_myDID = bf_get(lpfc_mbx_read_top_alpa_granted, la); @@ -3029,9 +3029,9 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, struct lpfc_mbx_read_top *la) phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; } vport->fc_myDID = phba->fc_pref_DID; - spin_lock_irq(shost->host_lock); + spin_lock(shost->host_lock); vport->fc_flag |= FC_LBIT; - spin_unlock_irq(shost->host_lock); + spin_unlock(shost->host_lock); } spin_unlock_irq(&phba->hbalock); @@ -5332,6 +5332,10 @@ lpfc_filter_by_rpi(struct lpfc_nodelist *ndlp, void *param) { uint16_t *rpi = param; + /* check for active node */ + if (!NLP_CHK_NODE_ACT(ndlp)) + return 0; + return ndlp->nlp_rpi == *rpi; } diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h index 7245bead3755..5f280b5ae3db 100644 --- a/drivers/scsi/lpfc/lpfc_hw.h +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2010 Emulex. All rights reserved. * + * Copyright (C) 2004-2011 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * * @@ -70,6 +70,7 @@ /* vendor ID used in SCSI netlink calls */ #define LPFC_NL_VENDOR_ID (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX) +#define FW_REV_STR_SIZE 32 /* Common Transport structures and definitions */ union CtRevisionId { @@ -2567,6 +2568,8 @@ typedef struct { #define DMP_MEM_REG 0x1 #define DMP_NV_PARAMS 0x2 +#define DMP_LMSD 0x3 /* Link Module Serial Data */ +#define DMP_WELL_KNOWN 0x4 #define DMP_REGION_VPD 0xe #define DMP_VPD_SIZE 0x400 /* maximum amount of VPD */ diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index e5bfa7f334e3..9e2b9b227e1a 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -321,6 +321,10 @@ struct lpfc_cqe { #define CQE_STATUS_CMD_REJECT 0xb #define CQE_STATUS_FCP_TGT_LENCHECK 0xc #define CQE_STATUS_NEED_BUFF_ENTRY 0xf +#define CQE_STATUS_DI_ERROR 0x16 + +/* Used when mapping CQE status to IOCB */ +#define LPFC_IOCB_STATUS_MASK 0xf /* Status returned by hardware (valid only if status = CQE_STATUS_SUCCESS). */ #define CQE_HW_STATUS_NO_ERR 0x0 @@ -348,6 +352,21 @@ struct lpfc_wcqe_complete { #define lpfc_wcqe_c_hw_status_WORD word0 uint32_t total_data_placed; uint32_t parameter; +#define lpfc_wcqe_c_bg_edir_SHIFT 5 +#define lpfc_wcqe_c_bg_edir_MASK 0x00000001 +#define lpfc_wcqe_c_bg_edir_WORD parameter +#define lpfc_wcqe_c_bg_tdpv_SHIFT 3 +#define lpfc_wcqe_c_bg_tdpv_MASK 0x00000001 +#define lpfc_wcqe_c_bg_tdpv_WORD parameter +#define lpfc_wcqe_c_bg_re_SHIFT 2 +#define lpfc_wcqe_c_bg_re_MASK 0x00000001 +#define lpfc_wcqe_c_bg_re_WORD parameter +#define lpfc_wcqe_c_bg_ae_SHIFT 1 +#define lpfc_wcqe_c_bg_ae_MASK 0x00000001 +#define lpfc_wcqe_c_bg_ae_WORD parameter +#define lpfc_wcqe_c_bg_ge_SHIFT 0 +#define lpfc_wcqe_c_bg_ge_MASK 0x00000001 +#define lpfc_wcqe_c_bg_ge_WORD parameter uint32_t word3; #define lpfc_wcqe_c_valid_SHIFT lpfc_cqe_valid_SHIFT #define lpfc_wcqe_c_valid_MASK lpfc_cqe_valid_MASK @@ -359,8 +378,8 @@ struct lpfc_wcqe_complete { #define lpfc_wcqe_c_pv_MASK 0x00000001 #define lpfc_wcqe_c_pv_WORD word3 #define lpfc_wcqe_c_priority_SHIFT 24 -#define lpfc_wcqe_c_priority_MASK 0x00000007 -#define lpfc_wcqe_c_priority_WORD word3 +#define lpfc_wcqe_c_priority_MASK 0x00000007 +#define lpfc_wcqe_c_priority_WORD word3 #define lpfc_wcqe_c_code_SHIFT lpfc_cqe_code_SHIFT #define lpfc_wcqe_c_code_MASK lpfc_cqe_code_MASK #define lpfc_wcqe_c_code_WORD lpfc_cqe_code_WORD @@ -715,12 +734,20 @@ struct lpfc_register { #define lpfc_eqcq_doorbell_eqci_SHIFT 9 #define lpfc_eqcq_doorbell_eqci_MASK 0x0001 #define lpfc_eqcq_doorbell_eqci_WORD word0 -#define lpfc_eqcq_doorbell_cqid_SHIFT 0 -#define lpfc_eqcq_doorbell_cqid_MASK 0x03FF -#define lpfc_eqcq_doorbell_cqid_WORD word0 -#define lpfc_eqcq_doorbell_eqid_SHIFT 0 -#define lpfc_eqcq_doorbell_eqid_MASK 0x01FF -#define lpfc_eqcq_doorbell_eqid_WORD word0 +#define lpfc_eqcq_doorbell_cqid_lo_SHIFT 0 +#define lpfc_eqcq_doorbell_cqid_lo_MASK 0x03FF +#define lpfc_eqcq_doorbell_cqid_lo_WORD word0 +#define lpfc_eqcq_doorbell_cqid_hi_SHIFT 11 +#define lpfc_eqcq_doorbell_cqid_hi_MASK 0x001F +#define lpfc_eqcq_doorbell_cqid_hi_WORD word0 +#define lpfc_eqcq_doorbell_eqid_lo_SHIFT 0 +#define lpfc_eqcq_doorbell_eqid_lo_MASK 0x01FF +#define lpfc_eqcq_doorbell_eqid_lo_WORD word0 +#define lpfc_eqcq_doorbell_eqid_hi_SHIFT 11 +#define lpfc_eqcq_doorbell_eqid_hi_MASK 0x001F +#define lpfc_eqcq_doorbell_eqid_hi_WORD word0 +#define LPFC_CQID_HI_FIELD_SHIFT 10 +#define LPFC_EQID_HI_FIELD_SHIFT 9 #define LPFC_BMBX 0x0160 #define lpfc_bmbx_addr_SHIFT 2 @@ -3313,7 +3340,11 @@ struct xmit_bls_rsp64_wqe { uint32_t rsrvd4; struct wqe_did wqe_dest; struct wqe_common wqe_com; /* words 6-11 */ - uint32_t rsvd_12_15[4]; + uint32_t word12; +#define xmit_bls_rsp64_temprpi_SHIFT 0 +#define xmit_bls_rsp64_temprpi_MASK 0x0000ffff +#define xmit_bls_rsp64_temprpi_WORD word12 + uint32_t rsvd_13_15[3]; }; struct wqe_rctl_dfctl { diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index dfea2dada02c..b38f99f3be32 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -32,6 +32,7 @@ #include <linux/aer.h> #include <linux/slab.h> #include <linux/firmware.h> +#include <linux/miscdevice.h> #include <scsi/scsi.h> #include <scsi/scsi_device.h> @@ -1474,8 +1475,12 @@ lpfc_handle_eratt_s4(struct lpfc_hba *phba) phba->sli4_hba.u.if_type2.STATUSregaddr, &portstat_reg.word0); /* consider PCI bus read error as pci_channel_offline */ - if (pci_rd_rc1 == -EIO) + if (pci_rd_rc1 == -EIO) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "3151 PCI bus read access failure: x%x\n", + readl(phba->sli4_hba.u.if_type2.STATUSregaddr)); return; + } reg_err1 = readl(phba->sli4_hba.u.if_type2.ERR1regaddr); reg_err2 = readl(phba->sli4_hba.u.if_type2.ERR2regaddr); if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) { @@ -1525,6 +1530,9 @@ lpfc_handle_eratt_s4(struct lpfc_hba *phba) } /* fall through for not able to recover */ } + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "3152 Unrecoverable error, bring the port " + "offline\n"); lpfc_sli4_offline_eratt(phba); break; case LPFC_SLI_INTF_IF_TYPE_1: @@ -2333,13 +2341,20 @@ lpfc_cleanup(struct lpfc_vport *vport) continue; } + /* take care of nodes in unused state before the state + * machine taking action. + */ + if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) { + lpfc_nlp_put(ndlp); + continue; + } + if (ndlp->nlp_type & NLP_FABRIC) lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RECOVERY); lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); - } /* At this point, ALL ndlp's should be gone @@ -2513,6 +2528,42 @@ lpfc_block_mgmt_io(struct lpfc_hba * phba) } /** + * lpfc_sli4_node_prep - Assign RPIs for active nodes. + * @phba: pointer to lpfc hba data structure. + * + * Allocate RPIs for all active remote nodes. This is needed whenever + * an SLI4 adapter is reset and the driver is not unloading. Its purpose + * is to fixup the temporary rpi assignments. + **/ +void +lpfc_sli4_node_prep(struct lpfc_hba *phba) +{ + struct lpfc_nodelist *ndlp, *next_ndlp; + struct lpfc_vport **vports; + int i; + + if (phba->sli_rev != LPFC_SLI_REV4) + return; + + vports = lpfc_create_vport_work_array(phba); + if (vports != NULL) { + for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { + if (vports[i]->load_flag & FC_UNLOADING) + continue; + + list_for_each_entry_safe(ndlp, next_ndlp, + &vports[i]->fc_nodes, + nlp_listp) { + if (NLP_CHK_NODE_ACT(ndlp)) + ndlp->nlp_rpi = + lpfc_sli4_alloc_rpi(phba); + } + } + } + lpfc_destroy_vport_work_array(phba, vports); +} + +/** * lpfc_online - Initialize and bring a HBA online * @phba: pointer to lpfc hba data structure. * @@ -2653,6 +2704,15 @@ lpfc_offline_prep(struct lpfc_hba * phba) } spin_lock_irq(shost->host_lock); ndlp->nlp_flag &= ~NLP_NPR_ADISC; + + /* + * Whenever an SLI4 port goes offline, free the + * RPI. A new RPI when the adapter port comes + * back online. + */ + if (phba->sli_rev == LPFC_SLI_REV4) + lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi); + spin_unlock_irq(shost->host_lock); lpfc_unreg_rpi(vports[i], ndlp); } @@ -4327,6 +4387,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0}; struct lpfc_mqe *mqe; int longs, sli_family; + int sges_per_segment; /* Before proceed, wait for POST done and device ready */ rc = lpfc_sli4_post_status_check(phba); @@ -4390,6 +4451,11 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) phba->fc_map[1] = LPFC_FCOE_FCF_MAP1; phba->fc_map[2] = LPFC_FCOE_FCF_MAP2; + /* With BlockGuard we can have multiple SGEs per Data Segemnt */ + sges_per_segment = 1; + if (phba->cfg_enable_bg) + sges_per_segment = 2; + /* * Since the sg_tablesize is module parameter, the sg_dma_buf_size * used to create the sg_dma_buf_pool must be dynamically calculated. @@ -4398,7 +4464,8 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) * sgl sizes of must be a power of 2. */ buf_size = (sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp) + - ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge))); + (((phba->cfg_sg_seg_cnt * sges_per_segment) + 2) * + sizeof(struct sli4_sge))); sli_family = bf_get(lpfc_sli_intf_sli_family, &phba->sli4_hba.sli_intf); max_buf_size = LPFC_SLI4_MAX_BUF_SIZE; @@ -4415,6 +4482,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) default: break; } + for (dma_buf_size = LPFC_SLI4_MIN_BUF_SIZE; dma_buf_size < max_buf_size && buf_size > dma_buf_size; dma_buf_size = dma_buf_size << 1) @@ -7223,19 +7291,17 @@ lpfc_pci_function_reset(struct lpfc_hba *phba) rc = -ENODEV; goto out; } - if (bf_get(lpfc_sliport_status_rdy, ®_data)) - break; - if (bf_get(lpfc_sliport_status_rn, ®_data)) { + if (bf_get(lpfc_sliport_status_rn, ®_data)) reset_again++; + if (bf_get(lpfc_sliport_status_rdy, ®_data)) break; - } } /* * If the port responds to the init request with * reset needed, delay for a bit and restart the loop. */ - if (reset_again) { + if (reset_again && (rdy_chk < 1000)) { msleep(10); reset_again = 0; continue; @@ -8112,6 +8178,9 @@ lpfc_unset_hba(struct lpfc_hba *phba) vport->load_flag |= FC_UNLOADING; spin_unlock_irq(shost->host_lock); + kfree(phba->vpi_bmask); + kfree(phba->vpi_ids); + lpfc_stop_hba_timers(phba); phba->pport->work_port_events = 0; @@ -8644,6 +8713,9 @@ lpfc_pci_remove_one_s3(struct pci_dev *pdev) /* Final cleanup of txcmplq and reset the HBA */ lpfc_sli_brdrestart(phba); + kfree(phba->vpi_bmask); + kfree(phba->vpi_ids); + lpfc_stop_hba_timers(phba); spin_lock_irq(&phba->hbalock); list_del_init(&vport->listentry); @@ -9058,7 +9130,7 @@ lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba) int lpfc_write_firmware(struct lpfc_hba *phba, const struct firmware *fw) { - char fwrev[32]; + char fwrev[FW_REV_STR_SIZE]; struct lpfc_grp_hdr *image = (struct lpfc_grp_hdr *)fw->data; struct list_head dma_buffer_list; int i, rc = 0; @@ -10012,6 +10084,36 @@ lpfc_io_resume(struct pci_dev *pdev) return; } +/** + * lpfc_mgmt_open - method called when 'lpfcmgmt' is opened from userspace + * @inode: pointer to the inode representing the lpfcmgmt device + * @filep: pointer to the file representing the open lpfcmgmt device + * + * This routine puts a reference count on the lpfc module whenever the + * character device is opened + **/ +static int +lpfc_mgmt_open(struct inode *inode, struct file *filep) +{ + try_module_get(THIS_MODULE); + return 0; +} + +/** + * lpfc_mgmt_release - method called when 'lpfcmgmt' is closed in userspace + * @inode: pointer to the inode representing the lpfcmgmt device + * @filep: pointer to the file representing the open lpfcmgmt device + * + * This routine removes a reference count from the lpfc module when the + * character device is closed + **/ +static int +lpfc_mgmt_release(struct inode *inode, struct file *filep) +{ + module_put(THIS_MODULE); + return 0; +} + static struct pci_device_id lpfc_id_table[] = { {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, PCI_ANY_ID, PCI_ANY_ID, }, @@ -10124,6 +10226,17 @@ static struct pci_driver lpfc_driver = { .err_handler = &lpfc_err_handler, }; +static const struct file_operations lpfc_mgmt_fop = { + .open = lpfc_mgmt_open, + .release = lpfc_mgmt_release, +}; + +static struct miscdevice lpfc_mgmt_dev = { + .minor = MISC_DYNAMIC_MINOR, + .name = "lpfcmgmt", + .fops = &lpfc_mgmt_fop, +}; + /** * lpfc_init - lpfc module initialization routine * @@ -10144,6 +10257,11 @@ lpfc_init(void) printk(LPFC_MODULE_DESC "\n"); printk(LPFC_COPYRIGHT "\n"); + error = misc_register(&lpfc_mgmt_dev); + if (error) + printk(KERN_ERR "Could not register lpfcmgmt device, " + "misc_register returned with status %d", error); + if (lpfc_enable_npiv) { lpfc_transport_functions.vport_create = lpfc_vport_create; lpfc_transport_functions.vport_delete = lpfc_vport_delete; @@ -10180,6 +10298,7 @@ lpfc_init(void) static void __exit lpfc_exit(void) { + misc_deregister(&lpfc_mgmt_dev); pci_unregister_driver(&lpfc_driver); fc_release_transport(lpfc_transport_template); if (lpfc_enable_npiv) diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index e8bb00559943..7b6b2aa5795a 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -48,6 +48,10 @@ static int lpfc_check_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, struct lpfc_name *nn, struct lpfc_name *pn) { + /* First, we MUST have a RPI registered */ + if (!(ndlp->nlp_flag & NLP_RPI_REGISTERED)) + return 0; + /* Compare the ADISC rsp WWNN / WWPN matches our internal node * table entry for that node. */ @@ -385,6 +389,10 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, if (!mbox) goto out; + /* Registering an existing RPI behaves differently for SLI3 vs SLI4 */ + if (phba->sli_rev == LPFC_SLI_REV4) + lpfc_unreg_rpi(vport, ndlp); + rc = lpfc_reg_rpi(phba, vport->vpi, icmd->un.rcvels.remoteID, (uint8_t *) sp, mbox, ndlp->nlp_rpi); if (rc) { @@ -445,11 +453,43 @@ out: return 0; } +/** + * lpfc_mbx_cmpl_resume_rpi - Resume RPI completion routine + * @phba: pointer to lpfc hba data structure. + * @mboxq: pointer to mailbox object + * + * This routine is invoked to issue a completion to a rcv'ed + * ADISC or PDISC after the paused RPI has been resumed. + **/ +static void +lpfc_mbx_cmpl_resume_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) +{ + struct lpfc_vport *vport; + struct lpfc_iocbq *elsiocb; + struct lpfc_nodelist *ndlp; + uint32_t cmd; + + elsiocb = (struct lpfc_iocbq *)mboxq->context1; + ndlp = (struct lpfc_nodelist *) mboxq->context2; + vport = mboxq->vport; + cmd = elsiocb->drvrTimeout; + + if (cmd == ELS_CMD_ADISC) { + lpfc_els_rsp_adisc_acc(vport, elsiocb, ndlp); + } else { + lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, elsiocb, + ndlp, NULL); + } + kfree(elsiocb); + mempool_free(mboxq, phba->mbox_mem_pool); +} + static int lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, struct lpfc_iocbq *cmdiocb) { struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_iocbq *elsiocb; struct lpfc_dmabuf *pcmd; struct serv_parm *sp; struct lpfc_name *pnn, *ppn; @@ -475,12 +515,43 @@ lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, icmd = &cmdiocb->iocb; if (icmd->ulpStatus == 0 && lpfc_check_adisc(vport, ndlp, pnn, ppn)) { + + /* + * As soon as we send ACC, the remote NPort can + * start sending us data. Thus, for SLI4 we must + * resume the RPI before the ACC goes out. + */ + if (vport->phba->sli_rev == LPFC_SLI_REV4) { + elsiocb = kmalloc(sizeof(struct lpfc_iocbq), + GFP_KERNEL); + if (elsiocb) { + + /* Save info from cmd IOCB used in rsp */ + memcpy((uint8_t *)elsiocb, (uint8_t *)cmdiocb, + sizeof(struct lpfc_iocbq)); + + /* Save the ELS cmd */ + elsiocb->drvrTimeout = cmd; + + lpfc_sli4_resume_rpi(ndlp, + lpfc_mbx_cmpl_resume_rpi, elsiocb); + goto out; + } + } + if (cmd == ELS_CMD_ADISC) { lpfc_els_rsp_adisc_acc(vport, cmdiocb, ndlp); } else { - lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, - NULL); + lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, + ndlp, NULL); } +out: + /* If we are authenticated, move to the proper state */ + if (ndlp->nlp_type & NLP_FCP_TARGET) + lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); + else + lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); + return 1; } /* Reject this request because invalid parameters */ @@ -1229,7 +1300,7 @@ lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport, } if (phba->sli_rev == LPFC_SLI_REV4) { - rc = lpfc_sli4_resume_rpi(ndlp); + rc = lpfc_sli4_resume_rpi(ndlp, NULL, NULL); if (rc) { /* Stay in state and retry. */ ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index c60f5d0b3869..efc055b6bac4 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2011 Emulex. All rights reserved. * + * Copyright (C) 2004-2012 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -1280,31 +1280,45 @@ lpfc_cmd_blksize(struct scsi_cmnd *sc) } #ifdef CONFIG_SCSI_LPFC_DEBUG_FS -/* - * Given a scsi cmnd, determine the BlockGuard tags to be used with it + +#define BG_ERR_INIT 1 +#define BG_ERR_TGT 2 +#define BG_ERR_SWAP 3 +#define BG_ERR_CHECK 4 + +/** + * lpfc_bg_err_inject - Determine if we should inject an error + * @phba: The Hba for which this call is being executed. * @sc: The SCSI command to examine * @reftag: (out) BlockGuard reference tag for transmitted data * @apptag: (out) BlockGuard application tag for transmitted data * @new_guard (in) Value to replace CRC with if needed * - * Returns (1) if error injection was performed, (0) otherwise - */ + * Returns (1) if error injection is detected by Initiator + * Returns (2) if error injection is detected by Target + * Returns (3) if swapping CSUM->CRC is required for error injection + * Returns (4) disabling Guard/Ref/App checking is required for error injection + **/ static int lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc, uint32_t *reftag, uint16_t *apptag, uint32_t new_guard) { struct scatterlist *sgpe; /* s/g prot entry */ struct scatterlist *sgde; /* s/g data entry */ - struct scsi_dif_tuple *src; + struct scsi_dif_tuple *src = NULL; uint32_t op = scsi_get_prot_op(sc); uint32_t blksize; uint32_t numblks; sector_t lba; int rc = 0; + int blockoff = 0; if (op == SCSI_PROT_NORMAL) return 0; + sgpe = scsi_prot_sglist(sc); + sgde = scsi_sglist(sc); + lba = scsi_get_lba(sc); if (phba->lpfc_injerr_lba != LPFC_INJERR_LBA_OFF) { blksize = lpfc_cmd_blksize(sc); @@ -1314,142 +1328,296 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc, if ((phba->lpfc_injerr_lba < lba) || (phba->lpfc_injerr_lba >= (lba + numblks))) return 0; + if (sgpe) { + blockoff = phba->lpfc_injerr_lba - lba; + numblks = sg_dma_len(sgpe) / + sizeof(struct scsi_dif_tuple); + if (numblks < blockoff) + blockoff = numblks; + src = (struct scsi_dif_tuple *)sg_virt(sgpe); + src += blockoff; + } } - sgpe = scsi_prot_sglist(sc); - sgde = scsi_sglist(sc); - /* Should we change the Reference Tag */ if (reftag) { - /* - * If we are SCSI_PROT_WRITE_STRIP, the protection data is - * being stripped from the wire, thus it doesn't matter. - */ - if ((op == SCSI_PROT_WRITE_PASS) || - (op == SCSI_PROT_WRITE_INSERT)) { - if (phba->lpfc_injerr_wref_cnt) { + if (phba->lpfc_injerr_wref_cnt) { + switch (op) { + case SCSI_PROT_WRITE_PASS: + if (blockoff && src) { + /* Insert error in middle of the IO */ + + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "9076 BLKGRD: Injecting reftag error: " + "write lba x%lx + x%x oldrefTag x%x\n", + (unsigned long)lba, blockoff, + src->ref_tag); + + /* + * NOTE, this will change ref tag in + * the memory location forever! + */ + src->ref_tag = 0xDEADBEEF; + phba->lpfc_injerr_wref_cnt--; + phba->lpfc_injerr_lba = + LPFC_INJERR_LBA_OFF; + rc = BG_ERR_CHECK; + break; + } + /* Drop thru */ + case SCSI_PROT_WRITE_STRIP: + /* + * For WRITE_STRIP and WRITE_PASS, + * force the error on data + * being copied from SLI-Host to SLI-Port. + */ + *reftag = 0xDEADBEEF; + phba->lpfc_injerr_wref_cnt--; + phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; + rc = BG_ERR_INIT; + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "9077 BLKGRD: Injecting reftag error: " + "write lba x%lx\n", (unsigned long)lba); + break; + case SCSI_PROT_WRITE_INSERT: + /* + * For WRITE_INSERT, force the + * error to be sent on the wire. It should be + * detected by the Target. + */ /* DEADBEEF will be the reftag on the wire */ *reftag = 0xDEADBEEF; phba->lpfc_injerr_wref_cnt--; phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; - rc = 1; + rc = BG_ERR_TGT; lpfc_printf_log(phba, KERN_ERR, LOG_BG, - "9081 BLKGRD: Injecting reftag error: " + "9078 BLKGRD: Injecting reftag error: " "write lba x%lx\n", (unsigned long)lba); + break; } - } else { - if (phba->lpfc_injerr_rref_cnt) { + } + if (phba->lpfc_injerr_rref_cnt) { + switch (op) { + case SCSI_PROT_READ_INSERT: + /* + * For READ_INSERT, it doesn't make sense + * to change the reftag. + */ + break; + case SCSI_PROT_READ_STRIP: + case SCSI_PROT_READ_PASS: + /* + * For READ_STRIP and READ_PASS, force the + * error on data being read off the wire. It + * should force an IO error to the driver. + */ *reftag = 0xDEADBEEF; phba->lpfc_injerr_rref_cnt--; phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; - rc = 1; + rc = BG_ERR_INIT; lpfc_printf_log(phba, KERN_ERR, LOG_BG, - "9076 BLKGRD: Injecting reftag error: " + "9079 BLKGRD: Injecting reftag error: " "read lba x%lx\n", (unsigned long)lba); + break; } } } /* Should we change the Application Tag */ if (apptag) { - /* - * If we are SCSI_PROT_WRITE_STRIP, the protection data is - * being stripped from the wire, thus it doesn't matter. - */ - if ((op == SCSI_PROT_WRITE_PASS) || - (op == SCSI_PROT_WRITE_INSERT)) { - if (phba->lpfc_injerr_wapp_cnt) { + if (phba->lpfc_injerr_wapp_cnt) { + switch (op) { + case SCSI_PROT_WRITE_PASS: + if (blockoff && src) { + /* Insert error in middle of the IO */ + + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "9080 BLKGRD: Injecting apptag error: " + "write lba x%lx + x%x oldappTag x%x\n", + (unsigned long)lba, blockoff, + src->app_tag); + /* + * NOTE, this will change app tag in + * the memory location forever! + */ + src->app_tag = 0xDEAD; + phba->lpfc_injerr_wapp_cnt--; + phba->lpfc_injerr_lba = + LPFC_INJERR_LBA_OFF; + rc = BG_ERR_CHECK; + break; + } + /* Drop thru */ + case SCSI_PROT_WRITE_STRIP: + /* + * For WRITE_STRIP and WRITE_PASS, + * force the error on data + * being copied from SLI-Host to SLI-Port. + */ + *apptag = 0xDEAD; + phba->lpfc_injerr_wapp_cnt--; + phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; + rc = BG_ERR_INIT; + + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "0812 BLKGRD: Injecting apptag error: " + "write lba x%lx\n", (unsigned long)lba); + break; + case SCSI_PROT_WRITE_INSERT: + /* + * For WRITE_INSERT, force the + * error to be sent on the wire. It should be + * detected by the Target. + */ /* DEAD will be the apptag on the wire */ *apptag = 0xDEAD; phba->lpfc_injerr_wapp_cnt--; phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; - rc = 1; + rc = BG_ERR_TGT; lpfc_printf_log(phba, KERN_ERR, LOG_BG, - "9077 BLKGRD: Injecting apptag error: " + "0813 BLKGRD: Injecting apptag error: " "write lba x%lx\n", (unsigned long)lba); + break; } - } else { - if (phba->lpfc_injerr_rapp_cnt) { + } + if (phba->lpfc_injerr_rapp_cnt) { + switch (op) { + case SCSI_PROT_READ_INSERT: + /* + * For READ_INSERT, it doesn't make sense + * to change the apptag. + */ + break; + case SCSI_PROT_READ_STRIP: + case SCSI_PROT_READ_PASS: + /* + * For READ_STRIP and READ_PASS, force the + * error on data being read off the wire. It + * should force an IO error to the driver. + */ *apptag = 0xDEAD; phba->lpfc_injerr_rapp_cnt--; phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; - rc = 1; + rc = BG_ERR_INIT; lpfc_printf_log(phba, KERN_ERR, LOG_BG, - "9078 BLKGRD: Injecting apptag error: " + "0814 BLKGRD: Injecting apptag error: " "read lba x%lx\n", (unsigned long)lba); + break; } } } + /* Should we change the Guard Tag */ + if (new_guard) { + if (phba->lpfc_injerr_wgrd_cnt) { + switch (op) { + case SCSI_PROT_WRITE_PASS: + if (blockoff && src) { + /* Insert error in middle of the IO */ + + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "0815 BLKGRD: Injecting guard error: " + "write lba x%lx + x%x oldgrdTag x%x\n", + (unsigned long)lba, blockoff, + src->guard_tag); - /* - * If we are SCSI_PROT_WRITE_INSERT, the protection data is - * being on the wire is being fully generated on the HBA. - * The host cannot change it or force an error. - */ - if (((op == SCSI_PROT_WRITE_STRIP) || - (op == SCSI_PROT_WRITE_PASS)) && - phba->lpfc_injerr_wgrd_cnt) { - if (sgpe) { - src = (struct scsi_dif_tuple *)sg_virt(sgpe); - /* - * Just inject an error in the first - * prot block. - */ - lpfc_printf_log(phba, KERN_ERR, LOG_BG, - "9079 BLKGRD: Injecting guard error: " - "write lba x%lx oldGuard x%x refTag x%x\n", - (unsigned long)lba, src->guard_tag, - src->ref_tag); + /* + * NOTE, this will change guard tag in + * the memory location forever! + */ + src->guard_tag = 0xDEAD; + phba->lpfc_injerr_wgrd_cnt--; + phba->lpfc_injerr_lba = + LPFC_INJERR_LBA_OFF; + rc = BG_ERR_CHECK; + break; + } + /* Drop thru */ + case SCSI_PROT_WRITE_STRIP: + /* + * For WRITE_STRIP and WRITE_PASS, + * force the error on data + * being copied from SLI-Host to SLI-Port. + */ + phba->lpfc_injerr_wgrd_cnt--; + phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; - src->guard_tag = (uint16_t)new_guard; - phba->lpfc_injerr_wgrd_cnt--; - phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; - rc = 1; + rc = BG_ERR_SWAP; + /* Signals the caller to swap CRC->CSUM */ - } else { - blksize = lpfc_cmd_blksize(sc); - /* - * Jump past the first data block - * and inject an error in the - * prot data. The prot data is already - * embedded after the regular data. - */ - src = (struct scsi_dif_tuple *) - (sg_virt(sgde) + blksize); + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "0816 BLKGRD: Injecting guard error: " + "write lba x%lx\n", (unsigned long)lba); + break; + case SCSI_PROT_WRITE_INSERT: + /* + * For WRITE_INSERT, force the + * error to be sent on the wire. It should be + * detected by the Target. + */ + phba->lpfc_injerr_wgrd_cnt--; + phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; - lpfc_printf_log(phba, KERN_ERR, LOG_BG, - "9080 BLKGRD: Injecting guard error: " - "write lba x%lx oldGuard x%x refTag x%x\n", - (unsigned long)lba, src->guard_tag, - src->ref_tag); - - src->guard_tag = (uint16_t)new_guard; - phba->lpfc_injerr_wgrd_cnt--; - phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; - rc = 1; + rc = BG_ERR_SWAP; + /* Signals the caller to swap CRC->CSUM */ + + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "0817 BLKGRD: Injecting guard error: " + "write lba x%lx\n", (unsigned long)lba); + break; + } + } + if (phba->lpfc_injerr_rgrd_cnt) { + switch (op) { + case SCSI_PROT_READ_INSERT: + /* + * For READ_INSERT, it doesn't make sense + * to change the guard tag. + */ + break; + case SCSI_PROT_READ_STRIP: + case SCSI_PROT_READ_PASS: + /* + * For READ_STRIP and READ_PASS, force the + * error on data being read off the wire. It + * should force an IO error to the driver. + */ + *apptag = 0xDEAD; + phba->lpfc_injerr_rgrd_cnt--; + phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; + + rc = BG_ERR_SWAP; + /* Signals the caller to swap CRC->CSUM */ + + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "0818 BLKGRD: Injecting guard error: " + "read lba x%lx\n", (unsigned long)lba); + } } } + return rc; } #endif -/* - * Given a scsi cmnd, determine the BlockGuard opcodes to be used with it +/** + * lpfc_sc_to_bg_opcodes - Determine the BlockGuard opcodes to be used with + * the specified SCSI command. + * @phba: The Hba for which this call is being executed. * @sc: The SCSI command to examine * @txopt: (out) BlockGuard operation for transmitted data * @rxopt: (out) BlockGuard operation for received data * * Returns: zero on success; non-zero if tx and/or rx op cannot be determined * - */ + **/ static int lpfc_sc_to_bg_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc, uint8_t *txop, uint8_t *rxop) @@ -1519,8 +1687,88 @@ lpfc_sc_to_bg_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc, return ret; } -/* - * This function sets up buffer list for protection groups of +#ifdef CONFIG_SCSI_LPFC_DEBUG_FS +/** + * lpfc_bg_err_opcodes - reDetermine the BlockGuard opcodes to be used with + * the specified SCSI command in order to force a guard tag error. + * @phba: The Hba for which this call is being executed. + * @sc: The SCSI command to examine + * @txopt: (out) BlockGuard operation for transmitted data + * @rxopt: (out) BlockGuard operation for received data + * + * Returns: zero on success; non-zero if tx and/or rx op cannot be determined + * + **/ +static int +lpfc_bg_err_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc, + uint8_t *txop, uint8_t *rxop) +{ + uint8_t guard_type = scsi_host_get_guard(sc->device->host); + uint8_t ret = 0; + + if (guard_type == SHOST_DIX_GUARD_IP) { + switch (scsi_get_prot_op(sc)) { + case SCSI_PROT_READ_INSERT: + case SCSI_PROT_WRITE_STRIP: + *txop = BG_OP_IN_CRC_OUT_NODIF; + *rxop = BG_OP_IN_NODIF_OUT_CRC; + break; + + case SCSI_PROT_READ_STRIP: + case SCSI_PROT_WRITE_INSERT: + *txop = BG_OP_IN_NODIF_OUT_CSUM; + *rxop = BG_OP_IN_CSUM_OUT_NODIF; + break; + + case SCSI_PROT_READ_PASS: + case SCSI_PROT_WRITE_PASS: + *txop = BG_OP_IN_CRC_OUT_CRC; + *rxop = BG_OP_IN_CRC_OUT_CRC; + break; + + case SCSI_PROT_NORMAL: + default: + break; + + } + } else { + switch (scsi_get_prot_op(sc)) { + case SCSI_PROT_READ_STRIP: + case SCSI_PROT_WRITE_INSERT: + *txop = BG_OP_IN_NODIF_OUT_CSUM; + *rxop = BG_OP_IN_CSUM_OUT_NODIF; + break; + + case SCSI_PROT_READ_PASS: + case SCSI_PROT_WRITE_PASS: + *txop = BG_OP_IN_CSUM_OUT_CRC; + *rxop = BG_OP_IN_CRC_OUT_CSUM; + break; + + case SCSI_PROT_READ_INSERT: + case SCSI_PROT_WRITE_STRIP: + *txop = BG_OP_IN_CSUM_OUT_NODIF; + *rxop = BG_OP_IN_NODIF_OUT_CSUM; + break; + + case SCSI_PROT_NORMAL: + default: + break; + } + } + + return ret; +} +#endif + +/** + * lpfc_bg_setup_bpl - Setup BlockGuard BPL with no protection data + * @phba: The Hba for which this call is being executed. + * @sc: pointer to scsi command we're working on + * @bpl: pointer to buffer list for protection groups + * @datacnt: number of segments of data that have been dma mapped + * + * This function sets up BPL buffer list for protection groups of * type LPFC_PG_TYPE_NO_DIF * * This is usually used when the HBA is instructed to generate @@ -1539,12 +1787,11 @@ lpfc_sc_to_bg_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc, * |more Data BDE's ... (opt)| * +-------------------------+ * - * @sc: pointer to scsi command we're working on - * @bpl: pointer to buffer list for protection groups - * @datacnt: number of segments of data that have been dma mapped * * Note: Data s/g buffers have been dma mapped - */ + * + * Returns the number of BDEs added to the BPL. + **/ static int lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc, struct ulp_bde64 *bpl, int datasegcnt) @@ -1555,6 +1802,8 @@ lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc, dma_addr_t physaddr; int i = 0, num_bde = 0, status; int datadir = sc->sc_data_direction; + uint32_t rc; + uint32_t checking = 1; uint32_t reftag; unsigned blksize; uint8_t txop, rxop; @@ -1565,11 +1814,16 @@ lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc, /* extract some info from the scsi command for pde*/ blksize = lpfc_cmd_blksize(sc); - reftag = scsi_get_lba(sc) & 0xffffffff; + reftag = (uint32_t)scsi_get_lba(sc); /* Truncate LBA */ #ifdef CONFIG_SCSI_LPFC_DEBUG_FS - /* reftag is the only error we can inject here */ - lpfc_bg_err_inject(phba, sc, &reftag, 0, 0); + rc = lpfc_bg_err_inject(phba, sc, &reftag, 0, 1); + if (rc) { + if (rc == BG_ERR_SWAP) + lpfc_bg_err_opcodes(phba, sc, &txop, &rxop); + if (rc == BG_ERR_CHECK) + checking = 0; + } #endif /* setup PDE5 with what we have */ @@ -1592,8 +1846,8 @@ lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc, bf_set(pde6_optx, pde6, txop); bf_set(pde6_oprx, pde6, rxop); if (datadir == DMA_FROM_DEVICE) { - bf_set(pde6_ce, pde6, 1); - bf_set(pde6_re, pde6, 1); + bf_set(pde6_ce, pde6, checking); + bf_set(pde6_re, pde6, checking); } bf_set(pde6_ai, pde6, 1); bf_set(pde6_ae, pde6, 0); @@ -1627,9 +1881,16 @@ out: return num_bde; } -/* - * This function sets up buffer list for protection groups of - * type LPFC_PG_TYPE_DIF_BUF +/** + * lpfc_bg_setup_bpl_prot - Setup BlockGuard BPL with protection data + * @phba: The Hba for which this call is being executed. + * @sc: pointer to scsi command we're working on + * @bpl: pointer to buffer list for protection groups + * @datacnt: number of segments of data that have been dma mapped + * @protcnt: number of segment of protection data that have been dma mapped + * + * This function sets up BPL buffer list for protection groups of + * type LPFC_PG_TYPE_DIF * * This is usually used when DIFs are in their own buffers, * separate from the data. The HBA can then by instructed @@ -1654,14 +1915,11 @@ out: * | ... | * +-------------------------+ * - * @sc: pointer to scsi command we're working on - * @bpl: pointer to buffer list for protection groups - * @datacnt: number of segments of data that have been dma mapped - * @protcnt: number of segment of protection data that have been dma mapped - * * Note: It is assumed that both data and protection s/g buffers have been * mapped for DMA - */ + * + * Returns the number of BDEs added to the BPL. + **/ static int lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc, struct ulp_bde64 *bpl, int datacnt, int protcnt) @@ -1681,6 +1939,8 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc, int datadir = sc->sc_data_direction; unsigned char pgdone = 0, alldone = 0; unsigned blksize; + uint32_t rc; + uint32_t checking = 1; uint32_t reftag; uint8_t txop, rxop; int num_bde = 0; @@ -1701,11 +1961,16 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc, /* extract some info from the scsi command */ blksize = lpfc_cmd_blksize(sc); - reftag = scsi_get_lba(sc) & 0xffffffff; + reftag = (uint32_t)scsi_get_lba(sc); /* Truncate LBA */ #ifdef CONFIG_SCSI_LPFC_DEBUG_FS - /* reftag / guard tag are the only errors we can inject here */ - lpfc_bg_err_inject(phba, sc, &reftag, 0, 0xDEAD); + rc = lpfc_bg_err_inject(phba, sc, &reftag, 0, 1); + if (rc) { + if (rc == BG_ERR_SWAP) + lpfc_bg_err_opcodes(phba, sc, &txop, &rxop); + if (rc == BG_ERR_CHECK) + checking = 0; + } #endif split_offset = 0; @@ -1729,8 +1994,8 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc, bf_set(pde6_type, pde6, LPFC_PDE6_DESCRIPTOR); bf_set(pde6_optx, pde6, txop); bf_set(pde6_oprx, pde6, rxop); - bf_set(pde6_ce, pde6, 1); - bf_set(pde6_re, pde6, 1); + bf_set(pde6_ce, pde6, checking); + bf_set(pde6_re, pde6, checking); bf_set(pde6_ai, pde6, 1); bf_set(pde6_ae, pde6, 0); bf_set(pde6_apptagval, pde6, 0); @@ -1852,13 +2117,358 @@ out: return num_bde; } -/* +/** + * lpfc_bg_setup_sgl - Setup BlockGuard SGL with no protection data + * @phba: The Hba for which this call is being executed. + * @sc: pointer to scsi command we're working on + * @sgl: pointer to buffer list for protection groups + * @datacnt: number of segments of data that have been dma mapped + * + * This function sets up SGL buffer list for protection groups of + * type LPFC_PG_TYPE_NO_DIF + * + * This is usually used when the HBA is instructed to generate + * DIFs and insert them into data stream (or strip DIF from + * incoming data stream) + * + * The buffer list consists of just one protection group described + * below: + * +-------------------------+ + * start of prot group --> | DI_SEED | + * +-------------------------+ + * | Data SGE | + * +-------------------------+ + * |more Data SGE's ... (opt)| + * +-------------------------+ + * + * + * Note: Data s/g buffers have been dma mapped + * + * Returns the number of SGEs added to the SGL. + **/ +static int +lpfc_bg_setup_sgl(struct lpfc_hba *phba, struct scsi_cmnd *sc, + struct sli4_sge *sgl, int datasegcnt) +{ + struct scatterlist *sgde = NULL; /* s/g data entry */ + struct sli4_sge_diseed *diseed = NULL; + dma_addr_t physaddr; + int i = 0, num_sge = 0, status; + int datadir = sc->sc_data_direction; + uint32_t reftag; + unsigned blksize; + uint8_t txop, rxop; + uint32_t rc; + uint32_t checking = 1; + uint32_t dma_len; + uint32_t dma_offset = 0; + + status = lpfc_sc_to_bg_opcodes(phba, sc, &txop, &rxop); + if (status) + goto out; + + /* extract some info from the scsi command for pde*/ + blksize = lpfc_cmd_blksize(sc); + reftag = (uint32_t)scsi_get_lba(sc); /* Truncate LBA */ + +#ifdef CONFIG_SCSI_LPFC_DEBUG_FS + rc = lpfc_bg_err_inject(phba, sc, &reftag, 0, 1); + if (rc) { + if (rc == BG_ERR_SWAP) + lpfc_bg_err_opcodes(phba, sc, &txop, &rxop); + if (rc == BG_ERR_CHECK) + checking = 0; + } +#endif + + /* setup DISEED with what we have */ + diseed = (struct sli4_sge_diseed *) sgl; + memset(diseed, 0, sizeof(struct sli4_sge_diseed)); + bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DISEED); + + /* Endianness conversion if necessary */ + diseed->ref_tag = cpu_to_le32(reftag); + diseed->ref_tag_tran = diseed->ref_tag; + + /* setup DISEED with the rest of the info */ + bf_set(lpfc_sli4_sge_dif_optx, diseed, txop); + bf_set(lpfc_sli4_sge_dif_oprx, diseed, rxop); + if (datadir == DMA_FROM_DEVICE) { + bf_set(lpfc_sli4_sge_dif_ce, diseed, checking); + bf_set(lpfc_sli4_sge_dif_re, diseed, checking); + } + bf_set(lpfc_sli4_sge_dif_ai, diseed, 1); + bf_set(lpfc_sli4_sge_dif_me, diseed, 0); + + /* Endianness conversion if necessary for DISEED */ + diseed->word2 = cpu_to_le32(diseed->word2); + diseed->word3 = cpu_to_le32(diseed->word3); + + /* advance bpl and increment sge count */ + num_sge++; + sgl++; + + /* assumption: caller has already run dma_map_sg on command data */ + scsi_for_each_sg(sc, sgde, datasegcnt, i) { + physaddr = sg_dma_address(sgde); + dma_len = sg_dma_len(sgde); + sgl->addr_lo = cpu_to_le32(putPaddrLow(physaddr)); + sgl->addr_hi = cpu_to_le32(putPaddrHigh(physaddr)); + if ((i + 1) == datasegcnt) + bf_set(lpfc_sli4_sge_last, sgl, 1); + else + bf_set(lpfc_sli4_sge_last, sgl, 0); + bf_set(lpfc_sli4_sge_offset, sgl, dma_offset); + bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DATA); + + sgl->sge_len = cpu_to_le32(dma_len); + dma_offset += dma_len; + + sgl++; + num_sge++; + } + +out: + return num_sge; +} + +/** + * lpfc_bg_setup_sgl_prot - Setup BlockGuard SGL with protection data + * @phba: The Hba for which this call is being executed. + * @sc: pointer to scsi command we're working on + * @sgl: pointer to buffer list for protection groups + * @datacnt: number of segments of data that have been dma mapped + * @protcnt: number of segment of protection data that have been dma mapped + * + * This function sets up SGL buffer list for protection groups of + * type LPFC_PG_TYPE_DIF + * + * This is usually used when DIFs are in their own buffers, + * separate from the data. The HBA can then by instructed + * to place the DIFs in the outgoing stream. For read operations, + * The HBA could extract the DIFs and place it in DIF buffers. + * + * The buffer list for this type consists of one or more of the + * protection groups described below: + * +-------------------------+ + * start of first prot group --> | DISEED | + * +-------------------------+ + * | DIF (Prot SGE) | + * +-------------------------+ + * | Data SGE | + * +-------------------------+ + * |more Data SGE's ... (opt)| + * +-------------------------+ + * start of new prot group --> | DISEED | + * +-------------------------+ + * | ... | + * +-------------------------+ + * + * Note: It is assumed that both data and protection s/g buffers have been + * mapped for DMA + * + * Returns the number of SGEs added to the SGL. + **/ +static int +lpfc_bg_setup_sgl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc, + struct sli4_sge *sgl, int datacnt, int protcnt) +{ + struct scatterlist *sgde = NULL; /* s/g data entry */ + struct scatterlist *sgpe = NULL; /* s/g prot entry */ + struct sli4_sge_diseed *diseed = NULL; + dma_addr_t dataphysaddr, protphysaddr; + unsigned short curr_data = 0, curr_prot = 0; + unsigned int split_offset; + unsigned int protgroup_len, protgroup_offset = 0, protgroup_remainder; + unsigned int protgrp_blks, protgrp_bytes; + unsigned int remainder, subtotal; + int status; + unsigned char pgdone = 0, alldone = 0; + unsigned blksize; + uint32_t reftag; + uint8_t txop, rxop; + uint32_t dma_len; + uint32_t rc; + uint32_t checking = 1; + uint32_t dma_offset = 0; + int num_sge = 0; + + sgpe = scsi_prot_sglist(sc); + sgde = scsi_sglist(sc); + + if (!sgpe || !sgde) { + lpfc_printf_log(phba, KERN_ERR, LOG_FCP, + "9082 Invalid s/g entry: data=0x%p prot=0x%p\n", + sgpe, sgde); + return 0; + } + + status = lpfc_sc_to_bg_opcodes(phba, sc, &txop, &rxop); + if (status) + goto out; + + /* extract some info from the scsi command */ + blksize = lpfc_cmd_blksize(sc); + reftag = (uint32_t)scsi_get_lba(sc); /* Truncate LBA */ + +#ifdef CONFIG_SCSI_LPFC_DEBUG_FS + rc = lpfc_bg_err_inject(phba, sc, &reftag, 0, 1); + if (rc) { + if (rc == BG_ERR_SWAP) + lpfc_bg_err_opcodes(phba, sc, &txop, &rxop); + if (rc == BG_ERR_CHECK) + checking = 0; + } +#endif + + split_offset = 0; + do { + /* setup DISEED with what we have */ + diseed = (struct sli4_sge_diseed *) sgl; + memset(diseed, 0, sizeof(struct sli4_sge_diseed)); + bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DISEED); + + /* Endianness conversion if necessary */ + diseed->ref_tag = cpu_to_le32(reftag); + diseed->ref_tag_tran = diseed->ref_tag; + + /* setup DISEED with the rest of the info */ + bf_set(lpfc_sli4_sge_dif_optx, diseed, txop); + bf_set(lpfc_sli4_sge_dif_oprx, diseed, rxop); + bf_set(lpfc_sli4_sge_dif_ce, diseed, checking); + bf_set(lpfc_sli4_sge_dif_re, diseed, checking); + bf_set(lpfc_sli4_sge_dif_ai, diseed, 1); + bf_set(lpfc_sli4_sge_dif_me, diseed, 0); + + /* Endianness conversion if necessary for DISEED */ + diseed->word2 = cpu_to_le32(diseed->word2); + diseed->word3 = cpu_to_le32(diseed->word3); + + /* advance sgl and increment bde count */ + num_sge++; + sgl++; + + /* setup the first BDE that points to protection buffer */ + protphysaddr = sg_dma_address(sgpe) + protgroup_offset; + protgroup_len = sg_dma_len(sgpe) - protgroup_offset; + + /* must be integer multiple of the DIF block length */ + BUG_ON(protgroup_len % 8); + + /* Now setup DIF SGE */ + sgl->word2 = 0; + bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DIF); + sgl->addr_hi = le32_to_cpu(putPaddrHigh(protphysaddr)); + sgl->addr_lo = le32_to_cpu(putPaddrLow(protphysaddr)); + sgl->word2 = cpu_to_le32(sgl->word2); + + protgrp_blks = protgroup_len / 8; + protgrp_bytes = protgrp_blks * blksize; + + /* check if DIF SGE is crossing the 4K boundary; if so split */ + if ((sgl->addr_lo & 0xfff) + protgroup_len > 0x1000) { + protgroup_remainder = 0x1000 - (sgl->addr_lo & 0xfff); + protgroup_offset += protgroup_remainder; + protgrp_blks = protgroup_remainder / 8; + protgrp_bytes = protgrp_blks * blksize; + } else { + protgroup_offset = 0; + curr_prot++; + } + + num_sge++; + + /* setup SGE's for data blocks associated with DIF data */ + pgdone = 0; + subtotal = 0; /* total bytes processed for current prot grp */ + while (!pgdone) { + if (!sgde) { + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "9086 BLKGRD:%s Invalid data segment\n", + __func__); + return 0; + } + sgl++; + dataphysaddr = sg_dma_address(sgde) + split_offset; + + remainder = sg_dma_len(sgde) - split_offset; + + if ((subtotal + remainder) <= protgrp_bytes) { + /* we can use this whole buffer */ + dma_len = remainder; + split_offset = 0; + + if ((subtotal + remainder) == protgrp_bytes) + pgdone = 1; + } else { + /* must split this buffer with next prot grp */ + dma_len = protgrp_bytes - subtotal; + split_offset += dma_len; + } + + subtotal += dma_len; + + sgl->addr_lo = cpu_to_le32(putPaddrLow(dataphysaddr)); + sgl->addr_hi = cpu_to_le32(putPaddrHigh(dataphysaddr)); + bf_set(lpfc_sli4_sge_last, sgl, 0); + bf_set(lpfc_sli4_sge_offset, sgl, dma_offset); + bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DATA); + + sgl->sge_len = cpu_to_le32(dma_len); + dma_offset += dma_len; + + num_sge++; + curr_data++; + + if (split_offset) + break; + + /* Move to the next s/g segment if possible */ + sgde = sg_next(sgde); + } + + if (protgroup_offset) { + /* update the reference tag */ + reftag += protgrp_blks; + sgl++; + continue; + } + + /* are we done ? */ + if (curr_prot == protcnt) { + bf_set(lpfc_sli4_sge_last, sgl, 1); + alldone = 1; + } else if (curr_prot < protcnt) { + /* advance to next prot buffer */ + sgpe = sg_next(sgpe); + sgl++; + + /* update the reference tag */ + reftag += protgrp_blks; + } else { + /* if we're here, we have a bug */ + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "9085 BLKGRD: bug in %s\n", __func__); + } + + } while (!alldone); + +out: + + return num_sge; +} + +/** + * lpfc_prot_group_type - Get prtotection group type of SCSI command + * @phba: The Hba for which this call is being executed. + * @sc: pointer to scsi command we're working on + * * Given a SCSI command that supports DIF, determine composition of protection * groups involved in setting up buffer lists * - * Returns: - * for DIF (for both read and write) - * */ + * Returns: Protection group type (with or without DIF) + * + **/ static int lpfc_prot_group_type(struct lpfc_hba *phba, struct scsi_cmnd *sc) { @@ -1885,13 +2495,17 @@ lpfc_prot_group_type(struct lpfc_hba *phba, struct scsi_cmnd *sc) return ret; } -/* +/** + * lpfc_bg_scsi_prep_dma_buf_s3 - DMA mapping for scsi buffer to SLI3 IF spec + * @phba: The Hba for which this call is being executed. + * @lpfc_cmd: The scsi buffer which is going to be prep'ed. + * * This is the protection/DIF aware version of * lpfc_scsi_prep_dma_buf(). It may be a good idea to combine the * two functions eventually, but for now, it's here - */ + **/ static int -lpfc_bg_scsi_prep_dma_buf(struct lpfc_hba *phba, +lpfc_bg_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) { struct scsi_cmnd *scsi_cmnd = lpfc_cmd->pCmd; @@ -2147,7 +2761,21 @@ lpfc_parse_bg_err(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd, cmd->sense_buffer[8] = 0; /* Information descriptor type */ cmd->sense_buffer[9] = 0xa; /* Additional descriptor length */ cmd->sense_buffer[10] = 0x80; /* Validity bit */ - bghm /= cmd->device->sector_size; + + /* bghm is a "on the wire" FC frame based count */ + switch (scsi_get_prot_op(cmd)) { + case SCSI_PROT_READ_INSERT: + case SCSI_PROT_WRITE_STRIP: + bghm /= cmd->device->sector_size; + break; + case SCSI_PROT_READ_STRIP: + case SCSI_PROT_WRITE_INSERT: + case SCSI_PROT_READ_PASS: + case SCSI_PROT_WRITE_PASS: + bghm /= (cmd->device->sector_size + + sizeof(struct scsi_dif_tuple)); + break; + } failing_sector = scsi_get_lba(cmd); failing_sector += bghm; @@ -2292,6 +2920,180 @@ lpfc_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) } /** + * lpfc_bg_scsi_adjust_dl - Adjust SCSI data length for BlockGuard + * @phba: The Hba for which this call is being executed. + * @lpfc_cmd: The scsi buffer which is going to be adjusted. + * + * Adjust the data length to account for how much data + * is actually on the wire. + * + * returns the adjusted data length + **/ +static int +lpfc_bg_scsi_adjust_dl(struct lpfc_hba *phba, + struct lpfc_scsi_buf *lpfc_cmd) +{ + struct scsi_cmnd *sc = lpfc_cmd->pCmd; + int diflen, fcpdl; + unsigned blksize; + + fcpdl = scsi_bufflen(sc); + + /* Check if there is protection data on the wire */ + if (sc->sc_data_direction == DMA_FROM_DEVICE) { + /* Read */ + if (scsi_get_prot_op(sc) == SCSI_PROT_READ_INSERT) + return fcpdl; + + } else { + /* Write */ + if (scsi_get_prot_op(sc) == SCSI_PROT_WRITE_STRIP) + return fcpdl; + } + + /* If protection data on the wire, adjust the count accordingly */ + blksize = lpfc_cmd_blksize(sc); + diflen = (fcpdl / blksize) * 8; + fcpdl += diflen; + return fcpdl; +} + +/** + * lpfc_bg_scsi_prep_dma_buf_s4 - DMA mapping for scsi buffer to SLI4 IF spec + * @phba: The Hba for which this call is being executed. + * @lpfc_cmd: The scsi buffer which is going to be mapped. + * + * This is the protection/DIF aware version of + * lpfc_scsi_prep_dma_buf(). It may be a good idea to combine the + * two functions eventually, but for now, it's here + **/ +static int +lpfc_bg_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, + struct lpfc_scsi_buf *lpfc_cmd) +{ + struct scsi_cmnd *scsi_cmnd = lpfc_cmd->pCmd; + struct fcp_cmnd *fcp_cmnd = lpfc_cmd->fcp_cmnd; + struct sli4_sge *sgl = (struct sli4_sge *)(lpfc_cmd->fcp_bpl); + IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb; + uint32_t num_bde = 0; + int datasegcnt, protsegcnt, datadir = scsi_cmnd->sc_data_direction; + int prot_group_type = 0; + int fcpdl; + + /* + * Start the lpfc command prep by bumping the sgl beyond fcp_cmnd + * fcp_rsp regions to the first data bde entry + */ + if (scsi_sg_count(scsi_cmnd)) { + /* + * The driver stores the segment count returned from pci_map_sg + * because this a count of dma-mappings used to map the use_sg + * pages. They are not guaranteed to be the same for those + * architectures that implement an IOMMU. + */ + datasegcnt = dma_map_sg(&phba->pcidev->dev, + scsi_sglist(scsi_cmnd), + scsi_sg_count(scsi_cmnd), datadir); + if (unlikely(!datasegcnt)) + return 1; + + sgl += 1; + /* clear the last flag in the fcp_rsp map entry */ + sgl->word2 = le32_to_cpu(sgl->word2); + bf_set(lpfc_sli4_sge_last, sgl, 0); + sgl->word2 = cpu_to_le32(sgl->word2); + + sgl += 1; + lpfc_cmd->seg_cnt = datasegcnt; + if (lpfc_cmd->seg_cnt > phba->cfg_sg_seg_cnt) { + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "9087 BLKGRD: %s: Too many sg segments" + " from dma_map_sg. Config %d, seg_cnt" + " %d\n", + __func__, phba->cfg_sg_seg_cnt, + lpfc_cmd->seg_cnt); + scsi_dma_unmap(scsi_cmnd); + return 1; + } + + prot_group_type = lpfc_prot_group_type(phba, scsi_cmnd); + + switch (prot_group_type) { + case LPFC_PG_TYPE_NO_DIF: + num_bde = lpfc_bg_setup_sgl(phba, scsi_cmnd, sgl, + datasegcnt); + /* we should have 2 or more entries in buffer list */ + if (num_bde < 2) + goto err; + break; + case LPFC_PG_TYPE_DIF_BUF:{ + /* + * This type indicates that protection buffers are + * passed to the driver, so that needs to be prepared + * for DMA + */ + protsegcnt = dma_map_sg(&phba->pcidev->dev, + scsi_prot_sglist(scsi_cmnd), + scsi_prot_sg_count(scsi_cmnd), datadir); + if (unlikely(!protsegcnt)) { + scsi_dma_unmap(scsi_cmnd); + return 1; + } + + lpfc_cmd->prot_seg_cnt = protsegcnt; + if (lpfc_cmd->prot_seg_cnt + > phba->cfg_prot_sg_seg_cnt) { + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "9088 BLKGRD: %s: Too many prot sg " + "segments from dma_map_sg. Config %d," + "prot_seg_cnt %d\n", __func__, + phba->cfg_prot_sg_seg_cnt, + lpfc_cmd->prot_seg_cnt); + dma_unmap_sg(&phba->pcidev->dev, + scsi_prot_sglist(scsi_cmnd), + scsi_prot_sg_count(scsi_cmnd), + datadir); + scsi_dma_unmap(scsi_cmnd); + return 1; + } + + num_bde = lpfc_bg_setup_sgl_prot(phba, scsi_cmnd, sgl, + datasegcnt, protsegcnt); + /* we should have 3 or more entries in buffer list */ + if (num_bde < 3) + goto err; + break; + } + case LPFC_PG_TYPE_INVALID: + default: + lpfc_printf_log(phba, KERN_ERR, LOG_FCP, + "9083 Unexpected protection group %i\n", + prot_group_type); + return 1; + } + } + + fcpdl = lpfc_bg_scsi_adjust_dl(phba, lpfc_cmd); + + fcp_cmnd->fcpDl = be32_to_cpu(fcpdl); + + /* + * Due to difference in data length between DIF/non-DIF paths, + * we need to set word 4 of IOCB here + */ + iocb_cmd->un.fcpi.fcpi_parm = fcpdl; + lpfc_cmd->cur_iocbq.iocb_flag |= LPFC_IO_DIF; + + return 0; +err: + lpfc_printf_log(phba, KERN_ERR, LOG_FCP, + "9084 Could not setup all needed BDE's" + "prot_group_type=%d, num_bde=%d\n", + prot_group_type, num_bde); + return 1; +} + +/** * lpfc_scsi_prep_dma_buf - Wrapper function for DMA mapping of scsi buffer * @phba: The Hba for which this call is being executed. * @lpfc_cmd: The scsi buffer which is going to be mapped. @@ -2310,6 +3112,25 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) } /** + * lpfc_bg_scsi_prep_dma_buf - Wrapper function for DMA mapping of scsi buffer + * using BlockGuard. + * @phba: The Hba for which this call is being executed. + * @lpfc_cmd: The scsi buffer which is going to be mapped. + * + * This routine wraps the actual DMA mapping function pointer from the + * lpfc_hba struct. + * + * Return codes: + * 1 - Error + * 0 - Success + **/ +static inline int +lpfc_bg_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) +{ + return phba->lpfc_bg_scsi_prep_dma_buf(phba, lpfc_cmd); +} + +/** * lpfc_send_scsi_error_event - Posts an event when there is SCSI error * @phba: Pointer to hba context object. * @vport: Pointer to vport object. @@ -3072,12 +3893,14 @@ lpfc_scsi_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) case LPFC_PCI_DEV_LP: phba->lpfc_new_scsi_buf = lpfc_new_scsi_buf_s3; phba->lpfc_scsi_prep_dma_buf = lpfc_scsi_prep_dma_buf_s3; + phba->lpfc_bg_scsi_prep_dma_buf = lpfc_bg_scsi_prep_dma_buf_s3; phba->lpfc_release_scsi_buf = lpfc_release_scsi_buf_s3; phba->lpfc_get_scsi_buf = lpfc_get_scsi_buf_s3; break; case LPFC_PCI_DEV_OC: phba->lpfc_new_scsi_buf = lpfc_new_scsi_buf_s4; phba->lpfc_scsi_prep_dma_buf = lpfc_scsi_prep_dma_buf_s4; + phba->lpfc_bg_scsi_prep_dma_buf = lpfc_bg_scsi_prep_dma_buf_s4; phba->lpfc_release_scsi_buf = lpfc_release_scsi_buf_s4; phba->lpfc_get_scsi_buf = lpfc_get_scsi_buf_s4; break; @@ -3250,8 +4073,7 @@ lpfc_queuecommand_lck(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) ndlp = rdata->pnode; if ((scsi_get_prot_op(cmnd) != SCSI_PROT_NORMAL) && - (!(phba->sli3_options & LPFC_SLI3_BG_ENABLED) || - (phba->sli_rev == LPFC_SLI_REV4))) { + (!(phba->sli3_options & LPFC_SLI3_BG_ENABLED))) { lpfc_printf_log(phba, KERN_ERR, LOG_BG, "9058 BLKGRD: ERROR: rcvd protected cmd:%02x" diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 23a27592388c..e0e4d8d18244 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -293,7 +293,9 @@ lpfc_sli4_eq_release(struct lpfc_queue *q, bool arm) } bf_set(lpfc_eqcq_doorbell_num_released, &doorbell, released); bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_EVENT); - bf_set(lpfc_eqcq_doorbell_eqid, &doorbell, q->queue_id); + bf_set(lpfc_eqcq_doorbell_eqid_hi, &doorbell, + (q->queue_id >> LPFC_EQID_HI_FIELD_SHIFT)); + bf_set(lpfc_eqcq_doorbell_eqid_lo, &doorbell, q->queue_id); writel(doorbell.word0, q->phba->sli4_hba.EQCQDBregaddr); /* PCI read to flush PCI pipeline on re-arming for INTx mode */ if ((q->phba->intr_type == INTx) && (arm == LPFC_QUEUE_REARM)) @@ -372,7 +374,9 @@ lpfc_sli4_cq_release(struct lpfc_queue *q, bool arm) bf_set(lpfc_eqcq_doorbell_arm, &doorbell, 1); bf_set(lpfc_eqcq_doorbell_num_released, &doorbell, released); bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_COMPLETION); - bf_set(lpfc_eqcq_doorbell_cqid, &doorbell, q->queue_id); + bf_set(lpfc_eqcq_doorbell_cqid_hi, &doorbell, + (q->queue_id >> LPFC_CQID_HI_FIELD_SHIFT)); + bf_set(lpfc_eqcq_doorbell_cqid_lo, &doorbell, q->queue_id); writel(doorbell.word0, q->phba->sli4_hba.EQCQDBregaddr); return released; } @@ -554,81 +558,6 @@ __lpfc_get_active_sglq(struct lpfc_hba *phba, uint16_t xritag) } /** - * __lpfc_set_rrq_active - set RRQ active bit in the ndlp's xri_bitmap. - * @phba: Pointer to HBA context object. - * @ndlp: nodelist pointer for this target. - * @xritag: xri used in this exchange. - * @rxid: Remote Exchange ID. - * @send_rrq: Flag used to determine if we should send rrq els cmd. - * - * This function is called with hbalock held. - * The active bit is set in the ndlp's active rrq xri_bitmap. Allocates an - * rrq struct and adds it to the active_rrq_list. - * - * returns 0 for rrq slot for this xri - * < 0 Were not able to get rrq mem or invalid parameter. - **/ -static int -__lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, - uint16_t xritag, uint16_t rxid, uint16_t send_rrq) -{ - struct lpfc_node_rrq *rrq; - int empty; - uint32_t did = 0; - - - if (!ndlp) - return -EINVAL; - - if (!phba->cfg_enable_rrq) - return -EINVAL; - - if (phba->pport->load_flag & FC_UNLOADING) { - phba->hba_flag &= ~HBA_RRQ_ACTIVE; - goto out; - } - did = ndlp->nlp_DID; - - /* - * set the active bit even if there is no mem available. - */ - if (NLP_CHK_FREE_REQ(ndlp)) - goto out; - - if (ndlp->vport && (ndlp->vport->load_flag & FC_UNLOADING)) - goto out; - - if (test_and_set_bit(xritag, ndlp->active_rrqs.xri_bitmap)) - goto out; - - rrq = mempool_alloc(phba->rrq_pool, GFP_KERNEL); - if (rrq) { - rrq->send_rrq = send_rrq; - rrq->xritag = xritag; - rrq->rrq_stop_time = jiffies + HZ * (phba->fc_ratov + 1); - rrq->ndlp = ndlp; - rrq->nlp_DID = ndlp->nlp_DID; - rrq->vport = ndlp->vport; - rrq->rxid = rxid; - empty = list_empty(&phba->active_rrq_list); - rrq->send_rrq = send_rrq; - list_add_tail(&rrq->list, &phba->active_rrq_list); - if (!(phba->hba_flag & HBA_RRQ_ACTIVE)) { - phba->hba_flag |= HBA_RRQ_ACTIVE; - if (empty) - lpfc_worker_wake_up(phba); - } - return 0; - } -out: - lpfc_printf_log(phba, KERN_INFO, LOG_SLI, - "2921 Can't set rrq active xri:0x%x rxid:0x%x" - " DID:0x%x Send:%d\n", - xritag, rxid, did, send_rrq); - return -EINVAL; -} - -/** * lpfc_clr_rrq_active - Clears RRQ active bit in xri_bitmap. * @phba: Pointer to HBA context object. * @xritag: xri used in this exchange. @@ -856,15 +785,68 @@ lpfc_test_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, **/ int lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, - uint16_t xritag, uint16_t rxid, uint16_t send_rrq) + uint16_t xritag, uint16_t rxid, uint16_t send_rrq) { - int ret; unsigned long iflags; + struct lpfc_node_rrq *rrq; + int empty; + + if (!ndlp) + return -EINVAL; + + if (!phba->cfg_enable_rrq) + return -EINVAL; spin_lock_irqsave(&phba->hbalock, iflags); - ret = __lpfc_set_rrq_active(phba, ndlp, xritag, rxid, send_rrq); + if (phba->pport->load_flag & FC_UNLOADING) { + phba->hba_flag &= ~HBA_RRQ_ACTIVE; + goto out; + } + + /* + * set the active bit even if there is no mem available. + */ + if (NLP_CHK_FREE_REQ(ndlp)) + goto out; + + if (ndlp->vport && (ndlp->vport->load_flag & FC_UNLOADING)) + goto out; + + if (test_and_set_bit(xritag, ndlp->active_rrqs.xri_bitmap)) + goto out; + spin_unlock_irqrestore(&phba->hbalock, iflags); - return ret; + rrq = mempool_alloc(phba->rrq_pool, GFP_KERNEL); + if (!rrq) { + lpfc_printf_log(phba, KERN_INFO, LOG_SLI, + "3155 Unable to allocate RRQ xri:0x%x rxid:0x%x" + " DID:0x%x Send:%d\n", + xritag, rxid, ndlp->nlp_DID, send_rrq); + return -EINVAL; + } + rrq->send_rrq = send_rrq; + rrq->xritag = xritag; + rrq->rrq_stop_time = jiffies + HZ * (phba->fc_ratov + 1); + rrq->ndlp = ndlp; + rrq->nlp_DID = ndlp->nlp_DID; + rrq->vport = ndlp->vport; + rrq->rxid = rxid; + rrq->send_rrq = send_rrq; + spin_lock_irqsave(&phba->hbalock, iflags); + empty = list_empty(&phba->active_rrq_list); + list_add_tail(&rrq->list, &phba->active_rrq_list); + phba->hba_flag |= HBA_RRQ_ACTIVE; + if (empty) + lpfc_worker_wake_up(phba); + spin_unlock_irqrestore(&phba->hbalock, iflags); + return 0; +out: + spin_unlock_irqrestore(&phba->hbalock, iflags); + lpfc_printf_log(phba, KERN_INFO, LOG_SLI, + "2921 Can't set rrq active xri:0x%x rxid:0x%x" + " DID:0x%x Send:%d\n", + xritag, rxid, ndlp->nlp_DID, send_rrq); + return -EINVAL; } /** @@ -5596,6 +5578,8 @@ lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *phba) for (i = 0; i < count; i++) phba->sli4_hba.rpi_ids[i] = base + i; + lpfc_sli4_node_prep(phba); + /* VPIs. */ count = phba->sli4_hba.max_cfg_param.max_vpi; base = phba->sli4_hba.max_cfg_param.vpi_base; @@ -7555,6 +7539,8 @@ lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, sgl = (struct sli4_sge *)sglq->sgl; icmd = &piocbq->iocb; + if (icmd->ulpCommand == CMD_XMIT_BLS_RSP64_CX) + return sglq->sli4_xritag; if (icmd->un.genreq64.bdl.bdeFlags == BUFF_TYPE_BLP_64) { numBdes = icmd->un.genreq64.bdl.bdeSize / sizeof(struct ulp_bde64); @@ -7756,6 +7742,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { if (pcmd && (*pcmd == ELS_CMD_FLOGI || *pcmd == ELS_CMD_SCR || + *pcmd == ELS_CMD_FDISC || *pcmd == ELS_CMD_PLOGI)) { bf_set(els_req64_sp, &wqe->els_req, 1); bf_set(els_req64_sid, &wqe->els_req, @@ -7763,7 +7750,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, bf_set(wqe_ct, &wqe->els_req.wqe_com, 1); bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, phba->vpi_ids[phba->pport->vpi]); - } else if (iocbq->context1) { + } else if (pcmd && iocbq->context1) { bf_set(wqe_ct, &wqe->els_req.wqe_com, 0); bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); @@ -7830,12 +7817,16 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, bf_set(wqe_lnk, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpXS); /* Always open the exchange */ bf_set(wqe_xc, &wqe->fcp_iwrite.wqe_com, 0); - bf_set(wqe_dbde, &wqe->fcp_iwrite.wqe_com, 1); bf_set(wqe_iod, &wqe->fcp_iwrite.wqe_com, LPFC_WQE_IOD_WRITE); bf_set(wqe_lenloc, &wqe->fcp_iwrite.wqe_com, LPFC_WQE_LENLOC_WORD4); bf_set(wqe_ebde_cnt, &wqe->fcp_iwrite.wqe_com, 0); bf_set(wqe_pu, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpPU); + if (iocbq->iocb_flag & LPFC_IO_DIF) { + iocbq->iocb_flag &= ~LPFC_IO_DIF; + bf_set(wqe_dif, &wqe->generic.wqe_com, 1); + } + bf_set(wqe_dbde, &wqe->fcp_iwrite.wqe_com, 1); break; case CMD_FCP_IREAD64_CR: /* word3 iocb=iotag wqe=payload_offset_len */ @@ -7849,12 +7840,16 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, bf_set(wqe_lnk, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpXS); /* Always open the exchange */ bf_set(wqe_xc, &wqe->fcp_iread.wqe_com, 0); - bf_set(wqe_dbde, &wqe->fcp_iread.wqe_com, 1); bf_set(wqe_iod, &wqe->fcp_iread.wqe_com, LPFC_WQE_IOD_READ); bf_set(wqe_lenloc, &wqe->fcp_iread.wqe_com, LPFC_WQE_LENLOC_WORD4); bf_set(wqe_ebde_cnt, &wqe->fcp_iread.wqe_com, 0); bf_set(wqe_pu, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpPU); + if (iocbq->iocb_flag & LPFC_IO_DIF) { + iocbq->iocb_flag &= ~LPFC_IO_DIF; + bf_set(wqe_dif, &wqe->generic.wqe_com, 1); + } + bf_set(wqe_dbde, &wqe->fcp_iread.wqe_com, 1); break; case CMD_FCP_ICMND64_CR: /* word3 iocb=IO_TAG wqe=reserved */ @@ -7982,6 +7977,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, xritag = 0; break; case CMD_XMIT_BLS_RSP64_CX: + ndlp = (struct lpfc_nodelist *)iocbq->context1; /* As BLS ABTS RSP WQE is very different from other WQEs, * we re-construct this WQE here based on information in * iocbq from scratch. @@ -8008,8 +8004,15 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, } bf_set(xmit_bls_rsp64_seqcnthi, &wqe->xmit_bls_rsp, 0xffff); bf_set(wqe_xmit_bls_pt, &wqe->xmit_bls_rsp.wqe_dest, 0x1); + + /* Use CT=VPI */ + bf_set(wqe_els_did, &wqe->xmit_bls_rsp.wqe_dest, + ndlp->nlp_DID); + bf_set(xmit_bls_rsp64_temprpi, &wqe->xmit_bls_rsp, + iocbq->iocb.ulpContext); + bf_set(wqe_ct, &wqe->xmit_bls_rsp.wqe_com, 1); bf_set(wqe_ctxt_tag, &wqe->xmit_bls_rsp.wqe_com, - iocbq->iocb.ulpContext); + phba->vpi_ids[phba->pport->vpi]); bf_set(wqe_qosd, &wqe->xmit_bls_rsp.wqe_com, 1); bf_set(wqe_lenloc, &wqe->xmit_bls_rsp.wqe_com, LPFC_WQE_LENLOC_NONE); @@ -8073,8 +8076,7 @@ __lpfc_sli_issue_iocb_s4(struct lpfc_hba *phba, uint32_t ring_number, if (piocb->sli4_xritag == NO_XRI) { if (piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || - piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN || - piocb->iocb.ulpCommand == CMD_XMIT_BLS_RSP64_CX) + piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN) sglq = NULL; else { if (pring->txq_cnt) { @@ -8384,10 +8386,13 @@ lpfc_sli4_abts_err_handler(struct lpfc_hba *phba, { struct lpfc_vport *vport; - if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) + if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { lpfc_printf_log(phba, KERN_INFO, LOG_SLI, "3115 Node Context not found, driver " "ignoring abts err event\n"); + return; + } + vport = ndlp->vport; lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, "3116 Port generated FCP XRI ABORT event on " @@ -10653,12 +10658,14 @@ lpfc_sli4_iocb_param_transfer(struct lpfc_hba *phba, struct lpfc_wcqe_complete *wcqe) { unsigned long iflags; + uint32_t status; size_t offset = offsetof(struct lpfc_iocbq, iocb); memcpy((char *)pIocbIn + offset, (char *)pIocbOut + offset, sizeof(struct lpfc_iocbq) - offset); /* Map WCQE parameters into irspiocb parameters */ - pIocbIn->iocb.ulpStatus = bf_get(lpfc_wcqe_c_status, wcqe); + status = bf_get(lpfc_wcqe_c_status, wcqe); + pIocbIn->iocb.ulpStatus = (status & LPFC_IOCB_STATUS_MASK); if (pIocbOut->iocb_flag & LPFC_IO_FCP) if (pIocbIn->iocb.ulpStatus == IOSTAT_FCP_RSP_ERROR) pIocbIn->iocb.un.fcpi.fcpi_parm = @@ -10671,6 +10678,44 @@ lpfc_sli4_iocb_param_transfer(struct lpfc_hba *phba, pIocbIn->iocb.un.genreq64.bdl.bdeSize = wcqe->total_data_placed; } + /* Convert BG errors for completion status */ + if (status == CQE_STATUS_DI_ERROR) { + pIocbIn->iocb.ulpStatus = IOSTAT_LOCAL_REJECT; + + if (bf_get(lpfc_wcqe_c_bg_edir, wcqe)) + pIocbIn->iocb.un.ulpWord[4] = IOERR_RX_DMA_FAILED; + else + pIocbIn->iocb.un.ulpWord[4] = IOERR_TX_DMA_FAILED; + + pIocbIn->iocb.unsli3.sli3_bg.bgstat = 0; + if (bf_get(lpfc_wcqe_c_bg_ge, wcqe)) /* Guard Check failed */ + pIocbIn->iocb.unsli3.sli3_bg.bgstat |= + BGS_GUARD_ERR_MASK; + if (bf_get(lpfc_wcqe_c_bg_ae, wcqe)) /* App Tag Check failed */ + pIocbIn->iocb.unsli3.sli3_bg.bgstat |= + BGS_APPTAG_ERR_MASK; + if (bf_get(lpfc_wcqe_c_bg_re, wcqe)) /* Ref Tag Check failed */ + pIocbIn->iocb.unsli3.sli3_bg.bgstat |= + BGS_REFTAG_ERR_MASK; + + /* Check to see if there was any good data before the error */ + if (bf_get(lpfc_wcqe_c_bg_tdpv, wcqe)) { + pIocbIn->iocb.unsli3.sli3_bg.bgstat |= + BGS_HI_WATER_MARK_PRESENT_MASK; + pIocbIn->iocb.unsli3.sli3_bg.bghm = + wcqe->total_data_placed; + } + + /* + * Set ALL the error bits to indicate we don't know what + * type of error it is. + */ + if (!pIocbIn->iocb.unsli3.sli3_bg.bgstat) + pIocbIn->iocb.unsli3.sli3_bg.bgstat |= + (BGS_REFTAG_ERR_MASK | BGS_APPTAG_ERR_MASK | + BGS_GUARD_ERR_MASK); + } + /* Pick up HBA exchange busy condition */ if (bf_get(lpfc_wcqe_c_xb, wcqe)) { spin_lock_irqsave(&phba->hbalock, iflags); @@ -14042,6 +14087,13 @@ lpfc_sli4_seq_abort_rsp_cmpl(struct lpfc_hba *phba, { if (cmd_iocbq) lpfc_sli_release_iocbq(phba, cmd_iocbq); + + /* Failure means BLS ABORT RSP did not get delivered to remote node*/ + if (rsp_iocbq && rsp_iocbq->iocb.ulpStatus) + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "3154 BLS ABORT RSP failed, data: x%x/x%x\n", + rsp_iocbq->iocb.ulpStatus, + rsp_iocbq->iocb.un.ulpWord[4]); } /** @@ -14748,7 +14800,8 @@ lpfc_sli4_remove_rpis(struct lpfc_hba *phba) * provided rpi via a bitmask. **/ int -lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp) +lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp, + void (*cmpl)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *arg) { LPFC_MBOXQ_t *mboxq; struct lpfc_hba *phba = ndlp->phba; @@ -14761,6 +14814,13 @@ lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp) /* Post all rpi memory regions to the port. */ lpfc_resume_rpi(mboxq, ndlp); + if (cmpl) { + mboxq->mbox_cmpl = cmpl; + mboxq->context1 = arg; + mboxq->context2 = ndlp; + } else + mboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + mboxq->vport = ndlp->vport; rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) { lpfc_printf_log(phba, KERN_ERR, LOG_SLI, diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h index 29c13b63e323..3290b8e7ab65 100644 --- a/drivers/scsi/lpfc/lpfc_sli.h +++ b/drivers/scsi/lpfc/lpfc_sli.h @@ -69,6 +69,7 @@ struct lpfc_iocbq { #define LPFC_USE_FCPWQIDX 0x80 /* Submit to specified FCPWQ index */ #define DSS_SECURITY_OP 0x100 /* security IO */ #define LPFC_IO_ON_Q 0x200 /* The IO is still on the TXCMPLQ */ +#define LPFC_IO_DIF 0x400 /* T10 DIF IO */ #define LPFC_FIP_ELS_ID_MASK 0xc000 /* ELS_ID range 0-3, non-shifted mask */ #define LPFC_FIP_ELS_ID_SHIFT 14 diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h index 3f266e2c54e0..c19d139618b7 100644 --- a/drivers/scsi/lpfc/lpfc_sli4.h +++ b/drivers/scsi/lpfc/lpfc_sli4.h @@ -633,7 +633,8 @@ void lpfc_sli4_free_rpi(struct lpfc_hba *, int); void lpfc_sli4_remove_rpis(struct lpfc_hba *); void lpfc_sli4_async_event_proc(struct lpfc_hba *); void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *); -int lpfc_sli4_resume_rpi(struct lpfc_nodelist *); +int lpfc_sli4_resume_rpi(struct lpfc_nodelist *, + void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *); void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *); void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *); void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *, diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index dd044d01a07f..f2a2602e5c35 100644 --- a/drivers/scsi/lpfc/lpfc_version.h +++ b/drivers/scsi/lpfc/lpfc_version.h @@ -18,7 +18,7 @@ * included with this package. * *******************************************************************/ -#define LPFC_DRIVER_VERSION "8.3.28" +#define LPFC_DRIVER_VERSION "8.3.29" #define LPFC_DRIVER_NAME "lpfc" #define LPFC_SP_DRIVER_HANDLER_NAME "lpfc:sp" #define LPFC_FP_DRIVER_HANDLER_NAME "lpfc:fp" |