diff options
author | David S. Miller <davem@davemloft.net> | 2017-03-15 11:59:10 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2017-03-15 11:59:10 -0700 |
commit | 101c431492d297dd0d111b461d8d324895676bee (patch) | |
tree | 06d8a02a4fd91acdd6c31340452e85feaac4ecb7 /drivers/scsi/lpfc/lpfc_nvme.c | |
parent | 9c79ddaa0f962d1f26537a670b0652ff509a6fe0 (diff) | |
parent | 95422dec6bd4a7c57444743f7b1bb375335a6298 (diff) | |
download | linux-101c431492d297dd0d111b461d8d324895676bee.tar.gz linux-101c431492d297dd0d111b461d8d324895676bee.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/ethernet/broadcom/genet/bcmgenet.c
net/core/sock.c
Conflicts were overlapping changes in bcmgenet and the
lockdep handling of sockets.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_nvme.c')
-rw-r--r-- | drivers/scsi/lpfc/lpfc_nvme.c | 107 |
1 files changed, 82 insertions, 25 deletions
diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c index 609a908ea9db..0a4c19081409 100644 --- a/drivers/scsi/lpfc/lpfc_nvme.c +++ b/drivers/scsi/lpfc/lpfc_nvme.c @@ -316,7 +316,7 @@ lpfc_nvme_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp, bf_set(wqe_dfctl, &wqe->gen_req.wge_ctl, 0); bf_set(wqe_si, &wqe->gen_req.wge_ctl, 1); bf_set(wqe_la, &wqe->gen_req.wge_ctl, 1); - bf_set(wqe_rctl, &wqe->gen_req.wge_ctl, FC_RCTL_DD_UNSOL_CTL); + bf_set(wqe_rctl, &wqe->gen_req.wge_ctl, FC_RCTL_ELS4_REQ); bf_set(wqe_type, &wqe->gen_req.wge_ctl, FC_TYPE_NVME); /* Word 6 */ @@ -620,15 +620,15 @@ lpfc_nvme_adj_fcp_sgls(struct lpfc_vport *vport, * Embed the payload in the last half of the WQE * WQE words 16-30 get the NVME CMD IU payload * - * WQE Word 16 is already setup with flags - * WQE words 17-19 get payload Words 2-4 + * WQE words 16-19 get payload Words 1-4 * WQE words 20-21 get payload Words 6-7 * WQE words 22-29 get payload Words 16-23 */ - wptr = &wqe->words[17]; /* WQE ptr */ + wptr = &wqe->words[16]; /* WQE ptr */ dptr = (uint32_t *)nCmd->cmdaddr; /* payload ptr */ - dptr += 2; /* Skip Words 0-1 in payload */ + dptr++; /* Skip Word 0 in payload */ + *wptr++ = *dptr++; /* Word 1 */ *wptr++ = *dptr++; /* Word 2 */ *wptr++ = *dptr++; /* Word 3 */ *wptr++ = *dptr++; /* Word 4 */ @@ -978,9 +978,6 @@ lpfc_nvme_prep_io_cmd(struct lpfc_vport *vport, bf_set(wqe_cmd_type, &wqe->generic.wqe_com, NVME_WRITE_CMD); - /* Word 16 */ - wqe->words[16] = LPFC_NVME_EMBED_WRITE; - phba->fc4NvmeOutputRequests++; } else { /* Word 7 */ @@ -1002,9 +999,6 @@ lpfc_nvme_prep_io_cmd(struct lpfc_vport *vport, bf_set(wqe_cmd_type, &wqe->generic.wqe_com, NVME_READ_CMD); - /* Word 16 */ - wqe->words[16] = LPFC_NVME_EMBED_READ; - phba->fc4NvmeInputRequests++; } } else { @@ -1026,9 +1020,6 @@ lpfc_nvme_prep_io_cmd(struct lpfc_vport *vport, /* Word 11 */ bf_set(wqe_cmd_type, &wqe->generic.wqe_com, NVME_READ_CMD); - /* Word 16 */ - wqe->words[16] = LPFC_NVME_EMBED_CMD; - phba->fc4NvmeControlRequests++; } /* @@ -1286,6 +1277,7 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport, pnvme_fcreq->private = (void *)lpfc_ncmd; lpfc_ncmd->nvmeCmd = pnvme_fcreq; lpfc_ncmd->nrport = rport; + lpfc_ncmd->ndlp = ndlp; lpfc_ncmd->start_time = jiffies; lpfc_nvme_prep_io_cmd(vport, lpfc_ncmd, ndlp); @@ -1319,7 +1311,7 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport, "sid: x%x did: x%x oxid: x%x\n", ret, vport->fc_myDID, ndlp->nlp_DID, lpfc_ncmd->cur_iocbq.sli4_xritag); - ret = -EINVAL; + ret = -EBUSY; goto out_free_nvme_buf; } @@ -1821,10 +1813,10 @@ lpfc_post_nvme_sgl_list(struct lpfc_hba *phba, pdma_phys_sgl1, cur_xritag); if (status) { /* failure, put on abort nvme list */ - lpfc_ncmd->exch_busy = 1; + lpfc_ncmd->flags |= LPFC_SBUF_XBUSY; } else { /* success, put on NVME buffer list */ - lpfc_ncmd->exch_busy = 0; + lpfc_ncmd->flags &= ~LPFC_SBUF_XBUSY; lpfc_ncmd->status = IOSTAT_SUCCESS; num_posted++; } @@ -1854,10 +1846,10 @@ lpfc_post_nvme_sgl_list(struct lpfc_hba *phba, struct lpfc_nvme_buf, list); if (status) { /* failure, put on abort nvme list */ - lpfc_ncmd->exch_busy = 1; + lpfc_ncmd->flags |= LPFC_SBUF_XBUSY; } else { /* success, put on NVME buffer list */ - lpfc_ncmd->exch_busy = 0; + lpfc_ncmd->flags &= ~LPFC_SBUF_XBUSY; lpfc_ncmd->status = IOSTAT_SUCCESS; num_posted++; } @@ -2099,7 +2091,7 @@ lpfc_release_nvme_buf(struct lpfc_hba *phba, struct lpfc_nvme_buf *lpfc_ncmd) unsigned long iflag = 0; lpfc_ncmd->nonsg_phys = 0; - if (lpfc_ncmd->exch_busy) { + if (lpfc_ncmd->flags & LPFC_SBUF_XBUSY) { spin_lock_irqsave(&phba->sli4_hba.abts_nvme_buf_list_lock, iflag); lpfc_ncmd->nvmeCmd = NULL; @@ -2135,11 +2127,12 @@ lpfc_release_nvme_buf(struct lpfc_hba *phba, struct lpfc_nvme_buf *lpfc_ncmd) int lpfc_nvme_create_localport(struct lpfc_vport *vport) { + int ret = 0; struct lpfc_hba *phba = vport->phba; struct nvme_fc_port_info nfcp_info; struct nvme_fc_local_port *localport; struct lpfc_nvme_lport *lport; - int len, ret = 0; + int len; /* Initialize this localport instance. The vport wwn usage ensures * that NPIV is accounted for. @@ -2156,8 +2149,12 @@ lpfc_nvme_create_localport(struct lpfc_vport *vport) /* localport is allocated from the stack, but the registration * call allocates heap memory as well as the private area. */ +#ifdef CONFIG_LPFC_NVME_INITIATOR ret = nvme_fc_register_localport(&nfcp_info, &lpfc_nvme_template, &vport->phba->pcidev->dev, &localport); +#else + ret = -ENOMEM; +#endif if (!ret) { lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME | LOG_NVME_DISC, "6005 Successfully registered local " @@ -2173,10 +2170,10 @@ lpfc_nvme_create_localport(struct lpfc_vport *vport) lport->vport = vport; INIT_LIST_HEAD(&lport->rport_list); vport->nvmei_support = 1; + len = lpfc_new_nvme_buf(vport, phba->sli4_hba.nvme_xri_max); + vport->phba->total_nvme_bufs += len; } - len = lpfc_new_nvme_buf(vport, phba->sli4_hba.nvme_xri_max); - vport->phba->total_nvme_bufs += len; return ret; } @@ -2193,6 +2190,7 @@ lpfc_nvme_create_localport(struct lpfc_vport *vport) void lpfc_nvme_destroy_localport(struct lpfc_vport *vport) { +#ifdef CONFIG_LPFC_NVME_INITIATOR struct nvme_fc_local_port *localport; struct lpfc_nvme_lport *lport; struct lpfc_nvme_rport *rport = NULL, *rport_next = NULL; @@ -2208,7 +2206,6 @@ lpfc_nvme_destroy_localport(struct lpfc_vport *vport) lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME, "6011 Destroying NVME localport %p\n", localport); - list_for_each_entry_safe(rport, rport_next, &lport->rport_list, list) { /* The last node ref has to get released now before the rport * private memory area is released by the transport. @@ -2222,6 +2219,7 @@ lpfc_nvme_destroy_localport(struct lpfc_vport *vport) "6008 rport fail destroy %x\n", ret); wait_for_completion_timeout(&rport->rport_unreg_done, 5); } + /* lport's rport list is clear. Unregister * lport and release resources. */ @@ -2245,6 +2243,7 @@ lpfc_nvme_destroy_localport(struct lpfc_vport *vport) "Failed, status x%x\n", ret); } +#endif } void @@ -2275,6 +2274,7 @@ lpfc_nvme_update_localport(struct lpfc_vport *vport) int lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) { +#ifdef CONFIG_LPFC_NVME_INITIATOR int ret = 0; struct nvme_fc_local_port *localport; struct lpfc_nvme_lport *lport; @@ -2348,7 +2348,6 @@ lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) rpinfo.port_role |= FC_PORT_ROLE_NVME_INITIATOR; rpinfo.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn); rpinfo.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn); - ret = nvme_fc_register_remoteport(localport, &rpinfo, &remote_port); if (!ret) { @@ -2384,6 +2383,9 @@ lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) ndlp->nlp_type, ndlp->nlp_DID, ndlp); } return ret; +#else + return 0; +#endif } /* lpfc_nvme_unregister_port - unbind the DID and port_role from this rport. @@ -2401,6 +2403,7 @@ lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) void lpfc_nvme_unregister_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) { +#ifdef CONFIG_LPFC_NVME_INITIATOR int ret; struct nvme_fc_local_port *localport; struct lpfc_nvme_lport *lport; @@ -2458,7 +2461,61 @@ lpfc_nvme_unregister_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) return; input_err: +#endif lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME_DISC, "6168: State error: lport %p, rport%p FCID x%06x\n", vport->localport, ndlp->rport, ndlp->nlp_DID); } + +/** + * lpfc_sli4_nvme_xri_aborted - Fast-path process of NVME xri abort + * @phba: pointer to lpfc hba data structure. + * @axri: pointer to the fcp xri abort wcqe structure. + * + * This routine is invoked by the worker thread to process a SLI4 fast-path + * FCP aborted xri. + **/ +void +lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba, + struct sli4_wcqe_xri_aborted *axri) +{ + uint16_t xri = bf_get(lpfc_wcqe_xa_xri, axri); + uint16_t rxid = bf_get(lpfc_wcqe_xa_remote_xid, axri); + struct lpfc_nvme_buf *lpfc_ncmd, *next_lpfc_ncmd; + struct lpfc_nodelist *ndlp; + unsigned long iflag = 0; + int rrq_empty = 0; + + if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) + return; + spin_lock_irqsave(&phba->hbalock, iflag); + spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock); + list_for_each_entry_safe(lpfc_ncmd, next_lpfc_ncmd, + &phba->sli4_hba.lpfc_abts_nvme_buf_list, + list) { + if (lpfc_ncmd->cur_iocbq.sli4_xritag == xri) { + list_del(&lpfc_ncmd->list); + lpfc_ncmd->flags &= ~LPFC_SBUF_XBUSY; + lpfc_ncmd->status = IOSTAT_SUCCESS; + spin_unlock( + &phba->sli4_hba.abts_nvme_buf_list_lock); + + rrq_empty = list_empty(&phba->active_rrq_list); + spin_unlock_irqrestore(&phba->hbalock, iflag); + ndlp = lpfc_ncmd->ndlp; + if (ndlp) { + lpfc_set_rrq_active( + phba, ndlp, + lpfc_ncmd->cur_iocbq.sli4_lxritag, + rxid, 1); + lpfc_sli4_abts_err_handler(phba, ndlp, axri); + } + lpfc_release_nvme_buf(phba, lpfc_ncmd); + if (rrq_empty) + lpfc_worker_wake_up(phba); + return; + } + } + spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); + spin_unlock_irqrestore(&phba->hbalock, iflag); +} |